JP2005278900A - Flexible nozzle of vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a flexible nozzle of a vacuum cleaner which can efficiently remove the dust stuck to an object to be cleaned in a terminal of a banking organ. <P>SOLUTION: The flexible nozzle 1 of the vacuum cleaner includes a nozzle tube 4 and a tube joint 5. After a tube body 40 of the nozzle tube 4 is attached to a tube connecting section 52 of a joint body 50 of the tube joint 5, a pointed head section of a blower nozzle 3 is inserted into the nozzle connecting section 51 through a nozzle connecting aperture 53 of the joint body 50 and the nozzle tube 4 is fixed to the pointed head section of the blower nozzle 3 through the tube joint 5. The tube connecting section 52 of the joint body 50 compresses the compressed air which is primarily compressed and blown out from the pointed head of the blower nozzle 3 to be the secondarily compressed air and the secondarily compressed air is ejected from a compressed air ejection opening 41 of the tube body 40 through a nozzle opening 54 of the joint body 50. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a flexible nozzle of a vacuum cleaner, and more particularly to a flexible nozzle of a vacuum cleaner attached to the tip of a blower nozzle that ejects compressed air for removing and cleaning dust generated inside a financial terminal. .

Banks, post offices and other financial institutions include cash handling ATMs (Automatic Teller Machines), CDs (Cash Dispensers), banknote counters, securities counters, PIMs (sales offices) Various types of financial terminals such as terminals are installed, and in recent years ATMs have also been installed in specific convenience stores.
Inside the financial terminal, a large number of optical sensors including a projector and a light receiver, a banknote transport device for transporting banknotes, a banknote transport path, and the like are disposed.

  And while a bill is actually circulating, dust adheres to the surface of the bill and gets dirty.

Since the banknotes are counted at high speed inside the financial terminal, a large amount of dust is generated, and when the banknotes are transported by the banknote transport apparatus or the banknote transport path, the surface of the banknote is the transport belt, transport roller, Dust that is strongly rubbed on the banknote transport path and peels off the dust attached to the surface of the banknotes, which is generated inside the financial terminal, and is also floating in the atmosphere. Will enter the inside of the financial terminal due to static electricity generated by the air flow or friction, etc., so that the dust will become the object to be cleaned inside the financial terminal with the passage of time. , If a large amount of dust adheres to the surface of the projector or receiver of the optical sensor and adheres to the transport roller or banknote transport path, the detection function of the optical sensor itself deteriorates, which may affect the operation of the financial terminal. Which may cause a convenience.
Therefore, a maintenance worker regularly performs a cleaning operation for removing dust adhering to the object to be cleaned inside the financial terminal.

  To clean the dust attached to the object to be cleaned inside the financial terminal, a maintenance worker uses a commercially available vacuum cleaner with a blower function. After inserting and connecting one end, connect the base end of the suction / blower spot nozzle to the other end of the vacuum cleaner hose and attach the spot nozzle to the other end of the vacuum cleaner hose. Compressed air ejected from the tip of the spot nozzle tip to the surface of the light projectors and receivers of many optical sensors, the conveyor belts, conveyor rollers, and banknote transport paths of the banknote transport device. The attached dust is blown away and cleaning is performed.

2. Description of the Related Art Conventionally, an electric blower is provided with a main body case incorporating an electric blower, a suction nozzle connected to the suction side of the electric blower, an exhaust hole connected to the exhaust side of the electric blower, and a portable means provided in the main body case. Patent Document 1 discloses a portable vacuum cleaner having a blower nozzle connected to the exhaust side of the motor and a switching valve that switches a communication state between the blower nozzle and the exhaust hole of the electric blower.
JP 2000-245659 A

  However, at present, a spot nozzle for both suction and blower, which is a standard accessory of a vacuum cleaner, is used as a blower nozzle, and since the diameter of the outlet at the tip of the spot nozzle is large, it is ejected from the outlet of the spot nozzle. Since the jet output of compressed air is weakened and the jet pressure of the compressed air jetted from the outlet of the spot nozzle is low, the surface of the projectors and receivers of a number of photosensors arranged inside the financial terminal, Dust adhering to the transport belt, transport roller, banknote transport path, etc. of the banknote transport device cannot be removed and cleaned efficiently and reliably by blowing it off with the compressed air ejected from the spot nozzle ejection port. Is the surface of the projector and receiver of a number of optical sensors that are the objects to be cleaned inside the financial terminal, the conveyor belt of the banknote transport device, the transport roller, and the banknote transport When removing the dust adhering to the cleaning object, if the jet nozzle at the tip of the spot nozzle is brought close to the object to be cleaned, the cleaning part of the object to be cleaned will be hidden at the tip of the spot nozzle. The cleaning part of the object to be cleaned is difficult to see from the eyes of the maintenance worker, the tip of the spot nozzle is applied to the cleaning part of the object to be cleaned, and the cleaning part of the object to be cleaned is damaged at the tip of the spot nozzle There was a fear.

  Further, in the portable vacuum cleaner disclosed in Patent Document 1, since the diameter of the compressed air ejection port at the tip of the blower nozzle is large, the jet output of the compressed air ejected from the compressed air ejection port of the blower nozzle becomes weak, and the blower nozzle Since the jet pressure of the compressed air ejected from the compressed air outlet is low, the surface of the projectors and receivers of many photosensors installed inside the financial terminal, the conveyor belt of the banknote transport device, the transport roller, and the banknote transport Dust adhering to the road etc. cannot be removed and cleaned efficiently and reliably by blowing it off with the compressed air blown from the compressed air outlet of the blower nozzle. When cleaning to remove dust adhering to the surface of the projector or receiver of a large number of optical sensors, the transport belt, transport roller, banknote transport path of the banknote transport device, etc. Since the figurine has various shapes, dust cannot be removed and cleaned by the blower nozzle according to the shape of the object to be cleaned, and the compressed air outlet at the tip of the blower nozzle is brought closer to the object to be cleaned. Since the cleaning part of the object to be cleaned is hidden behind the tip of the blower nozzle, the cleaning part of the object to be cleaned is difficult to see from the eyes of maintenance workers, and the tip of the blower nozzle is applied to the cleaning part of the object to be cleaned. As a result, there is a possibility that the cleaning portion of the object to be cleaned is damaged at the tip of the blower nozzle.

  Then, the objective of this invention is made | formed in view of said situation, and after connecting the nozzle tube main body of a nozzle tube to the nozzle tube connection part of the tube joint main body of a tube joint, the front-end | tip part of a blower nozzle is made into a tube. By simply inserting the nozzle tube from the nozzle connection port at the base end of the tube fitting body into the nozzle connection part, the nozzle tube can be easily attached to the tip of the blower nozzle via the tube fitting. It can be bent to the shape, and the nozzle tube connection part of the tube joint body of the tube joint squeezes the compressed primary air compressed from the compressed air outlet at the tip of the blower nozzle and performs the secondary compression. Compressed air from the nozzle port at the tip of the tube fitting body Since it is injected toward the inside of the tube body, the compressed air that has been secondarily compressed can be injected from the compressed air injection port at one end of the nozzle tube body of the nozzle tube, and is injected from the compressed air injection port of the nozzle tube Since the injection force of the compressed air compressed by the secondary compression becomes stronger and the injection pressure of the compressed air compressed by the secondary compression injected from the compressed air injection port of the nozzle tube is high, a large number of lights arranged inside the financial terminal Efficiently blows away dust adhering to the surface of the sensor projector and receiver, the conveyor belt, conveyor roller, and banknote transport path of the banknote transport device by the secondary compressed air sprayed from the compressed air injection port of the nozzle tube. The surface of the light projectors and receivers of many optical sensors that can be reliably removed and cleaned, and the maintenance worker is to be cleaned inside the financial terminal, When removing dust adhering to the transport belt, transport roller, bill transport path, etc. of the money transport device, the cleaning location of the target object is not removed even if the compressed air injection port of the nozzle tube is brought close to the target object. The end of the nozzle tube main body of the nozzle tube is not hidden, and the cleaning location of the object to be cleaned is easy to see from the eyes of the maintenance worker. An object of the present invention is to provide a flexible nozzle of a vacuum cleaner that can prevent breakage.

  The flexible nozzle of the vacuum cleaner of the present invention is a flexible nozzle of a vacuum cleaner that is detachably attached to the tip of a blower nozzle that ejects compressed air that is primarily compressed from the exhaust discharged from the exhaust port of the vacuum cleaner. A flexible long nozzle tube for jetting compressed air and a tube joint connecting the nozzle tube to the tip of the blower nozzle, and the tube joint communicates with an exhaust passage inside the blower nozzle. A tube joint body made of a hollow body, and the tube joint body of the tube joint from the proximal end on the air inlet side for fitting outside the distal end portion of the blower nozzle toward the middle of the distal end on the air outlet side A tapered tubular nozzle connecting portion that is reduced in diameter and formed integrally with the end of the nozzle connecting portion protruding toward the tip on the same central axis. An opening for inserting the tip of the blower nozzle into the proximal end of the tube joint body of the tube joint, comprising a small-diameter cylindrical nozzle tube connection portion for constricting the primary compressed air and performing secondary compression. Forming a circular nozzle connection port, and forming a nozzle port for opening the secondary compressed air at the tip of the tube joint body of the tube joint, the nozzle tube having a cylindrical shape A nozzle tube main body, forming a compressed air injection port for opening the secondary compressed air at one end of the nozzle tube main body of the nozzle tube, and the other end of the nozzle tube main body of the nozzle tube The nozzle tube connecting portion of the tube joint body of the tube joint is press-fitted and connected to the inside of the tube joint. Is shall.

  According to the present invention described above, the other end portion of the nozzle tube body of the nozzle tube is press-fitted into the other end portion of the nozzle tube body of the nozzle tube by press-fitting the nozzle tube connection portion of the tube joint body of the tube joint. Since it is elastically deformed and fits so as to be in close contact with the outer peripheral surface of the nozzle tube connection part of the tube joint body of the tube joint, the nozzle tube can be securely connected to the nozzle tube connection part of the tube joint body of the tube joint. The tip of the blower nozzle can be moved from the nozzle connection port formed at the base end of the tube fitting body of the tube fitting to the inside of the nozzle connection. Simply plug it in and connect the nozzle joint on the tube fitting body of the tube fitting. Since it fits outside the tip of the lower nozzle, the nozzle tube can be easily attached to the tip of the blower nozzle via the tube joint, and the length of the nozzle connection on the tube joint body of the tube joint is long. The nozzle tube can be bent into any shape without the fitting coming off from the tip of the blower nozzle, and the nozzle tube connecting part of the tube fitting body of the tube joint is ejected from the compressed air outlet at the tip of the blower nozzle Since the compressed air compressed by the primary compression is secondarily compressed, and the compressed air compressed by the secondary compression is injected from the nozzle port formed at the tip of the tube joint body of the tube joint toward the inside of the nozzle tube body of the nozzle tube. Secondary compressed pressure from the compressed air injection port formed at one end of the nozzle tube body of the nozzle tube If one end of the nozzle tube main body of the nozzle tube can be jetted close to the cleaning location of the object to be cleaned inside the financial terminal, a large number of lights arranged inside the financial terminal Efficiently blows away dust adhering to the surface of the sensor projector and receiver, the conveyor belt, conveyor roller, and banknote transport path of the banknote transport device by the secondary compressed air sprayed from the compressed air injection port of the nozzle tube. Can be removed and cleaned.

  In the flexible nozzle of the electric vacuum cleaner of the present invention, the nozzle tube is made of a synthetic resin material such as silicon rubber, silicon resin, or polyethylene.

  According to the present invention described above, since the nozzle tube is made of a synthetic resin material having flexibility such as silicon rubber, silicon resin, or polyethylene, the nozzle tube is formed into an arbitrary shape that is optimal for the cleaning operation of the object to be cleaned. The nozzle tube can be bent, the manufacturing cost of the nozzle tube is low, and the object to be cleaned is less likely to be damaged by the nozzle tube during the cleaning operation of the object to be cleaned.

  In the flexible nozzle of the electric vacuum cleaner of the present invention, the material of the tube joint is a thermoplastic resin such as polypropylene.

  According to the present invention described above, since the tube joint material is a thermoplastic resin such as polypropylene, the tube joint is excellent in impact resistance, the tube joint manufacturing cost is low, and the tube joint is recycled as a resource. You can also

  The flexible nozzle of the electric vacuum cleaner of the present invention further comprises a long shape-retaining wire having flexibility for retaining the nozzle tube, and the shape-retaining wire is in the longitudinal direction of the nozzle tube. Are arranged along.

  According to the present invention described above, since the shape-retaining wire is arranged along the longitudinal direction of the nozzle tube, the nozzle tube can be bent together with the shape-retaining wire into any shape, and the shape-retaining wire is The shape after bending of the nozzle tube can be maintained, and the compressed air injection port of the nozzle tube can be directed to the cleaning portion of the object to be cleaned that is to be cleaned inside the financial terminal.

  In the flexible nozzle of the vacuum cleaner of the present invention, the shape-retaining wire is formed by covering the periphery of a long core material having flexibility and shape retention with a synthetic resin coating material.

  According to the present invention described above, the shape retaining wire is formed by covering the periphery of a long core having flexibility and shape retention with a synthetic resin coating material. The material can be protected by a synthetic resin coating, and the core material of the shape-preserving wire is not exposed to the outside of the synthetic resin coating. There is little risk of damage from the core material of the wire.

  In the flexible nozzle of the electric vacuum cleaner of the present invention, the shape retaining wire is bound and fixed to the blower nozzle and the nozzle tube by a plurality of binding means.

  According to the present invention described above, since the shape-retaining wire is bound and fixed to the blower nozzle and nozzle tube by a plurality of bundling means, the shape-retaining wire is moved in the longitudinal direction with respect to the blower nozzle and nozzle tube. Since the nozzle tube is firmly fixed to the nozzle tube connection part of the tube joint body of the tube joint, it is possible to reliably prevent the tube tube joint of the nozzle tube from coming off from the nozzle tube connection part. can do.

  In the flexible nozzle of the electric vacuum cleaner of the present invention, the shape-retaining wire is spirally wound around the outer periphery of the nozzle tube body of the nozzle tube.

  According to the present invention described above, since the shape-retaining wire is spirally wound around the outer periphery of the nozzle tube main body of the nozzle tube, the shape-retaining wire is attached to the blower nozzle and the nozzle tube by a plurality of binding means. There is no need to bind and fix, and the shape-retaining wire can be quickly attached to the nozzle tube, and the shape-retaining wire does not come off the nozzle tube, and the shape-retaining wire is spirally wound around the nozzle tube. It can be bent into any shape together with the wire, and the shape-retaining wire keeps the shape after the nozzle tube is bent, and cleaning of the object to be cleaned that tries to clean the nozzle tube's compressed air injection port inside the financial terminal A plurality of binding means for binding the shape-retaining wire to the blower nozzle and the nozzle tube can be omitted.

  As for the flexible nozzle of the vacuum cleaner of this invention, the said nozzle tube has the bellows part which can be bent in a part of said nozzle tube main body.

  According to the present invention described above, since the nozzle tube has a bendable bellows part of the nozzle tube body, it is only necessary to bend the bellows part of the nozzle tube body of the nozzle tube into an appropriate shape. The nozzle tube can be easily bent from a straight state to an arbitrary angle at the position of the bellows, and no shape-retaining wire is required to retain the nozzle tube, and the shape-retaining wire is used as a blower nozzle and nozzle tube. A plurality of bundling means for bundling can be omitted.

  As described above, according to the present invention, after the nozzle tube body of the nozzle tube is connected to the nozzle tube connection part of the tube joint body of the tube joint, the tip of the blower nozzle is connected to the proximal end of the tube joint body of the tube joint. The nozzle tube can be easily attached to the tip of the blower nozzle via a tube joint with a single touch just by inserting it into the nozzle connection from the nozzle connection port, and the nozzle tube can be bent into any shape. The nozzle tube connection part of the tube joint body of the tube joint squeezes the secondary compressed air that is compressed from the compressed air outlet from the compressed air outlet at the tip of the blower nozzle, and the compressed secondary compressed air is the tube joint of the tube joint. From the nozzle opening at the tip of the main body toward the inside of the nozzle tube main body of the nozzle tube Therefore, the secondary compressed air can be injected from the compressed air injection port at one end of the nozzle tube body of the nozzle tube, and the secondary compressed compressed air injected from the compressed air injection port of the nozzle tube can be injected. Since the injection force becomes stronger and the injection pressure of the secondary compressed air that is injected from the compressed air injection port of the nozzle tube is high, the projectors and receivers of many photosensors installed inside the financial terminal Dust adhering to the surface, transport belt, transport roller, banknote transport path, etc. of the banknote transport device can be efficiently and surely removed and cleaned by blowing it away with the secondary compressed air jetted from the compressed air jet port of the nozzle tube. In addition, the maintenance workers can use the surfaces of the projectors and receivers of many optical sensors that are the objects to be cleaned inside the financial terminal, the conveyor belts of the bill conveyor, When removing dust adhering to the roller, bill conveyance path, etc., and cleaning the nozzle tube compressed air injection port close to the object to be cleaned, the cleaning location of the object to be cleaned is one end of the nozzle tube body of the nozzle tube. It is easy to see the cleaning point of the object to be cleaned from the eyes of the maintenance worker, and it is possible to prevent the nozzle tube of the cleaning point of the object to be cleaned from being damaged by one end of the nozzle tube body. A flexible nozzle of a vacuum cleaner can be obtained.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

  The flexible nozzle 1 of the electric vacuum cleaner of the present invention is detachably attached to the tip of a blower nozzle 3 that ejects compressed air obtained by primarily compressing exhaust discharged from an exhaust port (not shown) of the electric vacuum cleaner 2. It is.

  The flexible nozzle 1 of the vacuum cleaner of the present invention includes a long nozzle tube 4 having flexibility for jetting compressed air, and a tube joint 5 that connects the nozzle tube 4 to the tip of the blower nozzle 3. The joint 5 has a tube joint main body 50 made of a hollow body communicating with the exhaust passage 35 inside the blower nozzle 3, and the tube joint main body 50 of the tube joint 5 is fitted to the outside of the distal end portion of the blower nozzle 3. A tapered tubular nozzle connecting portion 51 that is reduced in diameter from the proximal end 50a on the air inlet side to the middle of the distal end 50b on the air outlet side, and the terminal end of the nozzle connecting portion 51 that protrudes toward the tip on the same central axis. And a tube joint main body of the tube joint 5, which is formed by a small-diameter cylindrical nozzle tube connection portion 52 for secondarily compressing the compressed compressed air. An end face circular nozzle connection port 53 for opening the tip of the blower nozzle 3 is formed at the base end 50 a of the nozzle 50, and compressed air that is secondarily compressed is injected to the tip 50 b of the tube joint body 50 of the tube joint 5. The nozzle tube 54 has a cylindrical nozzle tube main body 40, and the compressed air that is secondarily compressed is applied to one end 40a of the nozzle tube main body 40 of the nozzle tube 4. A compressed air injection port 41 having an open end face for injection is formed, and the nozzle tube connection portion 52 of the tube joint body 50 of the tube joint 5 is press-fitted into the other end portion of the nozzle tube body 40 of the nozzle tube 4. Connected.

  In the flexible nozzle 1 of the electric vacuum cleaner of the present invention, the nozzle tube 4 is made of a synthetic resin material such as silicon rubber, silicon resin or polyethylene.

  In the flexible nozzle 1 of the electric vacuum cleaner of the present invention, the tube joint 5 is made of a thermoplastic resin such as polypropylene.

  The flexible nozzle 1 of the electric vacuum cleaner of the present invention further includes a long shape-retaining wire 6 having flexibility for retaining the nozzle tube 4, and the shape-retaining wire 6 is formed of the nozzle tube 4. Arranged along the longitudinal direction.

  The flexible nozzle 1 of the electric vacuum cleaner according to the present invention is formed by covering the periphery of a long core material having flexibility and shape retention with a synthetic resin coating material.

  In the flexible nozzle 1 of the electric vacuum cleaner of the present invention, the shape-retaining wire 6 is bound and fixed to the blower nozzle 3 and the nozzle tube 4 by a binding band 7 serving as a plurality of binding means.

FIG. 1 is a front sectional view showing a configuration of a flexible nozzle of a vacuum cleaner according to a first embodiment of the present invention, and FIG. 2 shows a nozzle tube of the flexible nozzle of the vacuum cleaner according to the first embodiment of the present invention. FIG. 3 is a right side view of FIG. 2, FIG. 4 is a left side view of FIG. 2, and FIG. 5 is a tube joint of a flexible nozzle of the vacuum cleaner according to the first embodiment of the present invention. FIG. 6 is a left side view of FIG. 5, FIG. 7 is a right side view of FIG. 5, and FIG. 8 is a blower nozzle for mounting a flexible nozzle of the electric vacuum cleaner according to the first embodiment of the present invention. FIG. 9 is a left side view of FIG. 8, FIG. 10 is a right side view of FIG. 8, FIG. 11 is a front view showing the mounting state of the blower nozzle to the spot nozzle, and FIG. FIG. 1 is an enlarged cross-sectional view of a main part showing a connection state of the spot nozzle to the tip part. These are the principal part expanded sectional views which show the attachment state to the front-end | tip part of the blower nozzle of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention, FIG. 14: Vacuum cleaner of 1st Example which concerns on this invention The principal part expanded sectional view which shows the state which bent the nozzle tube and the shape-retaining wire of this flexible nozzle, FIG. 15 is a schematic perspective view which shows the use condition of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. FIG.
As shown in FIG. 1, the flexible nozzle 1 includes a long nozzle tube 4 having flexibility for jetting compressed air, a tube joint 5 for connecting the nozzle tube 4 to the tip of the blower nozzle 3, a nozzle It is composed of a long shape-retaining wire 6 having flexibility for retaining the tube 4.

  As shown in FIG. 2, the nozzle tube 4 has a cylindrical nozzle tube main body 40 having substantially the same diameter as the nozzle tube connecting portion 52 of the tube joint 5, and one end 40 a of the nozzle tube main body 40 is shown in FIG. As shown in FIG. 4, a compressed air injection port 41 having a circular end surface that opens toward one side for injecting compressed air that is secondarily compressed is formed, and the other end 40 b of the nozzle tube body 40 is shown in FIG. 4. As described above, the circular insertion opening 42 that opens toward the other side for inserting the nozzle tube connection portion 52 of the tube joint 5 is formed.

  As shown in FIG. 5, the tube joint 5 has a tube joint main body 50, and the base end 50 a of the tube joint main body 50 is an accessory of the electric vacuum cleaner 2 shown in FIG. 8 as shown in FIG. 6. As shown in FIG. 7, a nozzle connection port 53 having a circular end face opening toward one side for inserting and connecting the tip of a blower nozzle 3 is formed, and the tip 50b of the tube joint body 50 is as shown in FIG. An end-face circular nozzle port 54 is formed that faces the central axis C1 of the nozzle connection portion 51 and opens toward the other side for injecting compressed air that is secondarily compressed.

  As shown in FIG. 5, the tube joint body 50 of the tube joint 5 has a tapered tubular nozzle connection portion 51 whose diameter is reduced in the direction of the central axis C <b> 1 from the base end 50 a toward the middle of the tip 50 b. An end wall 55 is formed at the end of the 50 nozzle connection portions 51 so as to close the opening, and the center of the end wall 55 at the end of the nozzle connection portion 51 is on the tip 50b on the central axis C1 of the nozzle connection portion 51. A small-diameter cylindrical nozzle tube connecting portion 52 protruding in the direction is integrally formed.

  The shape-retaining wire 6 is coated with a synthetic resin coating material (not shown) such as vinyl chloride around a flexible lead wire (not shown) having flexibility as a core material. The outer peripheral surface of the material is formed in a bellows shape.

  As shown in FIG. 8, the blower nozzle 3 that is an accessory of the electric vacuum cleaner 2 has a blower nozzle body 30, and an exhaust passage 35 is formed inside the blower nozzle body 30.

  As shown in FIG. 8, the blower nozzle body 30 of the blower nozzle 3 is a straight tubular portion having a tapered tubular shape whose diameter is slightly reduced from the base end 30a on the air inlet side toward the end 30b on the air outlet side in the direction of the central axis C2. 31 and the distal end of the straight pipe portion 31 are formed integrally with an inclination on one side and intersect the central axis C2 of the straight pipe portion 31 at an acute angle from the proximal end 30a toward the distal end 30b in the direction of the central axis C3. It consists of a tapered tubular portion 32 that is greatly reduced in diameter.

  A tip 30 b of the blower nozzle body 30 of the blower nozzle 3 is formed so as to be orthogonal to the central axis C <b> 3 of the tapered tubular portion 32.

  As shown in FIGS. 8 and 9, the tip end of the spot nozzle 9 attached to the end of the hose 8 of the vacuum cleaner 2 shown in FIG. An end face circular spot nozzle connection port 33 that opens toward one side for connection is formed, and an electric outlet 30b on the air outlet side of the blower nozzle body 30 is electrically connected as shown in FIG. A circular compressed air outlet 34 that opens toward the other side for ejecting compressed air that is primarily compressed from the exhaust vent of the cleaner body 20 of the cleaner 2 is formed.

  The diameter (inner diameter) of the spot nozzle connection port 33 formed at the base end 30 a of the blower nozzle body 30 of the blower nozzle 3 is slightly larger than the inner diameter of the boundary portion between the straight pipe portion 31 and the tapered tubular portion 32 of the blower nozzle body 30. It has become.

  The intersection angle θ between the central axis C2 of the straight pipe portion 31 of the blower nozzle body 30 of the blower nozzle 3 and the central axis C3 of the tapered tubular portion 32 is 9 °, and is particularly in the range of 5 ° to 20 °. It is preferable that

  The material of the blower nozzle 3 is a thermoplastic resin such as polypropylene.

  As shown in FIG. 11, first, the flexible nozzle 1 is attached to the tip of the blower nozzle 3 at one end of the hose 8 at the exhaust port (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2 with a blower function. Insert 8a and connect.

  Next, the base end 9 a of the spot nozzle 9 is connected to the other end 8 b of the hose 8 of the vacuum cleaner 2, and the spot nozzle 9 is attached to the other end of the hose 8 of the vacuum cleaner 2.

  Next, by inserting the tapered tubular distal end portion 9b of the spot nozzle 9 from the spot nozzle connection port 33 formed at the base end 30a of the blower nozzle body 30 of the blower nozzle 3 into the straight pipe portion 31, as shown in FIG. The straight pipe part 31 of the blower nozzle body 30 of the blower nozzle 3 is fitted to the outside of the tip part 9 b of the spot nozzle 9, and the inner peripheral surface 36 of the straight pipe part 31 of the blower nozzle body 30 of the blower nozzle 3 and the tip part 9 b of the spot nozzle 9. The compressed air jet 34 formed at the tip 30b of the blower nozzle body 30 of the blower nozzle 3 is connected to the exhaust port of the vacuum cleaner body 20 of the vacuum cleaner 2 via the spot nozzle 9 and the hose 8. As shown in FIG. 11, the blower nozzle body 30 of the blower nozzle 3 is connected to the vacuum cleaner 2 via the spot nozzle 9. It is attached to the other end of the over scan 8.

  Next, the nozzle tube connecting portion 52 of the tube joint body 50 of the tube joint 5 is press-fitted into the other end portion from the insertion opening 42 formed in the other end 40 b of the nozzle tube body 40 of the nozzle tube 4. The other end portion of the nozzle tube body 40 of the tube 4 is elastically deformed and fitted so as to be in close contact with the outer peripheral surface of the nozzle tube connection portion 52 of the tube joint body 50 of the tube joint 5, and the nozzle tube body 40 of the nozzle tube 4. The compressed air passage 43 inside the tube joint 5 and the compressed air passage 56 inside the nozzle tube connection portion 52 of the tube joint body 50 of the tube joint 5 communicate with each other, and the nozzle tube 4 is the nozzle tube of the tube joint body 50 of the tube joint 5. The nozzle tube is connected to the connecting portion 52 and is connected to the distal end portion of the tube joint body 50 of the tube joint 5. The install.

  Next, the distal end portion of the blower nozzle body 30 of the blower nozzle 3 is inserted into the nozzle connection portion 51 from the nozzle connection port 53 formed at the proximal end 50 a of the tube joint body 50 of the tube joint 5, whereby the tube joint body of the tube joint 5. 50 nozzle connection portions 51 are fitted to the outside of the tip end portion of the tapered tubular portion 32 of the blower nozzle body 30 of the blower nozzle 3, and the inner peripheral surface 57 of the nozzle connection portion 51 of the tube joint body 50 of the tube joint 5 and the blower nozzle 3. The outer peripheral surface 37 of the tip of the tapered tubular portion 32 of the blower nozzle main body 30 is in close contact with each other, and the compressed air injection port 41 formed at one end 40 a of the nozzle tube main body 40 of the nozzle tube 4 is the tube joint main body 50 of the tube joint 5. The nozzle port 54 formed at the tip 50b and the blower nozzle body 30 of the blower nozzle 3 The nozzle tube 4 communicates with the exhaust passage 35 inside the blower nozzle body 30 through the compressed air jet 34 formed at the end 30b, and the nozzle tube 4 is connected to the blower nozzle body 30 of the blower nozzle 3 through the tube joint 5 as shown in FIG. Attached to the tip of the tapered tubular portion 32.

  Thereafter, the shape retaining wire 6 is moved along the longitudinal direction of the nozzle tube 4, the outer peripheral surface of the tapered tubular portion 32 of the blower nozzle body 30 of the blower nozzle 3, the outer peripheral surface of the nozzle tube body 40 of the nozzle tube 4, and the tube joint of the tube joint 5. The shape retaining wire 6 is disposed in contact with the outer peripheral surface of the nozzle connection portion 51 of the main body 50, and the taper tubular portion 32 of the blower nozzle main body 30 of the blower nozzle 3 and the nozzle tube main body 40 of the nozzle tube 4 with a plurality of binding bands 7. The flexible nozzle 1 is attached to the tip of the blower nozzle 3 as shown in FIG.

Next, the usage method of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention is demonstrated.
When the dust adhered to the object to be cleaned inside the financial terminal M is removed and cleaned by the flexible nozzle 1 of the electric vacuum cleaner 2, first, as shown in FIG. The nozzle tube 4 and the shape retaining wire 6 are arranged so that the compressed air injection port 41 formed at the one end 40a of the nozzle tube body 40 of the nozzle tube 4 is directed to the cleaning location of the object to be cleaned inside the financial terminal M. Is bent by hand into any suitable shape.

  Next, when the maintenance worker P turns on the switch (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2 and operates the vacuum cleaner 2, the exhaust is exhausted from the exhaust port of the vacuum cleaner body 20 of the vacuum cleaner 2. The exhaust discharged from the exhaust port of the vacuum cleaner main body 20 of the electric vacuum cleaner 2 flows into the inside of the tapered tubular portion 32 of the blower nozzle main body 30 of the blower nozzle 3 through the inside of the hose 8 and the spot nozzle 9, and the blower nozzle 3 is formed at the tip 30b of the blower nozzle main body 30 of the blower nozzle 3 by the compressed tubular air compressed by primarily reducing the exhaust discharged from the exhaust port of the vacuum cleaner main body 20 of the vacuum cleaner 2. The compressed air that has been primarily compressed is ejected from the compressed air outlet 34 toward the inside of the nozzle connection portion 51 of the tube joint body 50 of the tube joint 5.

  Further, the compressed air ejected from the compressed air outlet 34 of the blower nozzle 3 into the nozzle connection portion 51 of the tube joint 5 flows into the cylindrical nozzle tube connection portion 52 of the tube joint body 50 of the tube joint 5. The nozzle tube connecting portion 52 of the tube joint body 50 of the tube joint 5 is compressed into the compressed air that is secondarily compressed by constricting the primary compressed air that is ejected from the compressed air outlet 34 at the tip 30b of the blower nozzle body 30 of the blower nozzle 3. The compressed air secondarily compressed is sprayed from the nozzle port 54 formed at the tip 50b of the tube joint body 50 of the tube joint 5 toward the inside of the nozzle tube body 40 of the nozzle tube 4.

  Thereafter, the compressed air ejected from the nozzle port 54 of the tube joint 5 into the nozzle tube body 40 of the nozzle tube 4 flows in the nozzle tube body 40 of the nozzle tube 4 from the other end 40b toward the one end 40a. Secondary compressed air is injected from a compressed air injection port 41 formed at one end 40 a of the nozzle tube body 40 of the nozzle tube 4 of the flexible nozzle 1.

  The maintenance worker P grasps the blower nozzle 3 attached to the tip of the spot nozzle 9 by hand, and connects the one end 40a of the nozzle tube body 40 of the nozzle tube 4 of the flexible nozzle 1 to the financial terminal M as shown in FIG. By approaching the cleaning location of the object to be cleaned, which is to be cleaned inside, the surfaces of the light projectors and light receivers of a large number of optical sensors that are objects to be cleaned disposed inside the financial terminal M, the Dust adhering to the conveyance belt, conveyance roller, bill conveyance path, etc. is blown off by secondary compressed air that is ejected from the compressed air injection port 41 of one end 40a of the nozzle tube main body 40 of the nozzle tube 4 to be removed and cleaned.

FIG. 16 is a front sectional view showing the configuration of the flexible nozzle of the vacuum cleaner of the second embodiment according to the present invention, and FIG. 17 is for shape retention in the flexible nozzle of the vacuum cleaner of the second embodiment of the present invention. 18 is a front view showing a nozzle tube in which a wire is wound spirally, FIG. 18 is an enlarged cross-sectional view of a main part showing an attachment state of the flexible nozzle of the vacuum cleaner according to the second embodiment of the present invention to the tip of the blower nozzle, FIG. 19 is an enlarged cross-sectional view of a main part showing a state in which the nozzle tube and the shape-retaining wire of the flexible nozzle of the electric vacuum cleaner according to the second embodiment of the present invention are bent.
In the flexible nozzle 1 of the electric vacuum cleaner of the present invention, the shape-retaining wire 6 </ b> A is spirally wound around the outer periphery of the nozzle tube body 40 of the nozzle tube 4.

  As shown in FIG. 16, the flexible nozzle 1 includes a long nozzle tube 4 having flexibility for jetting compressed air, a tube joint 5 for connecting the nozzle tube 4 to the tip of the blower nozzle 3, a nozzle It is composed of a long shape-retaining wire 6A having flexibility for retaining the tube 4.

  The nozzle tube 4 and the tube joint 5 of the flexible nozzle 1 of the second embodiment are the same as those of the first embodiment shown in FIG.

  In the shape-retaining wire 6A, the periphery of a flexible lead wire (not shown) as a core material is covered with a synthetic resin coating material (not shown) such as vinyl chloride.

  The flexible nozzle of the electric vacuum cleaner of the second embodiment has the shape-retaining wire 6 shown in FIG. 1 replaced with the shape-retaining wire 6A shown in FIG. 16, and the shape-retaining wire 6A is replaced with a nozzle as shown in FIG. A plurality of binding bands 7 for binding the shape-preserving wire 6 to the blower nozzle 3 and the nozzle tube 4 are omitted by directly winding the tube 4 around the outer periphery of the nozzle tube body 40 in a spiral shape at a constant pitch. .

  As shown in FIG. 17, the flexible nozzle 1 is first attached to the tip of the blower nozzle 3 by previously winding the shape retaining wire 6 </ b> A around the outer periphery of the nozzle tube body 40 of the nozzle tube 4 in a spiral manner at a constant pitch. deep.

  Next, similarly to the first embodiment described above, after the blower nozzle 3 is fitted and attached to the tip of the spot nozzle 9, the nozzle tube connecting portion 52 of the tube joint body 50 of the tube joint 5 is connected to the nozzle tube body of the nozzle tube 4. The other end portion of the nozzle tube body 40 of the nozzle tube 4 is elastically deformed by press-fitting into the inside of the other end portion from the insertion opening 42 formed at the other end 40 b of the tube 40, and the tube joint body 50 of the tube joint 5. The nozzle tube connecting portion 52 is fitted so as to be in close contact with the outer peripheral surface of the nozzle tube connecting portion 52, the compressed air passage 43 inside the nozzle tube main body 40 of the nozzle tube 4 and the inside of the nozzle tube connecting portion 52 of the tube fitting main body 50 of the tube joint 5. The compressed air passage 56 communicates with each other, and the nozzle tube 4 wound with the shape-retaining wire 6A is connected to the Connected to the nozzle tube connecting portion 52 of the over blanking the joint body 50, as shown in FIG. 18, attaching the nozzle tube 4 together with the shape retaining wire rod 6A to the distal end portion of the tube joint body 50 of the tube joint 5.

  Thereafter, the distal end portion of the blower nozzle body 30 of the blower nozzle 3 is inserted into the nozzle connection portion 51 from the nozzle connection port 53 formed at the proximal end 50 a of the tube joint body 50 of the tube joint 5, whereby the tube joint body of the tube joint 5. 50 nozzle connection portions 51 are fitted to the outside of the tip end portion of the tapered tubular portion 32 of the blower nozzle body 30 of the blower nozzle 3, and the inner peripheral surface 57 of the nozzle connection portion 51 of the tube joint body 50 of the tube joint 5 and the blower nozzle 3. The outer peripheral surface 37 of the tip of the tapered tubular portion 32 of the blower nozzle main body 30 is in close contact with each other, and the compressed air injection port 41 formed at one end 40 a of the nozzle tube main body 40 of the nozzle tube 4 is the tube joint main body 50 of the tube joint 5. The nozzle port 54 formed at the tip 50b and the blower nozzle body 30 of the blower nozzle 3 The nozzle tube 4 communicates with the exhaust passage 35 inside the blower nozzle body 30 through the compressed air jet 34 formed at the end 30b. As shown in FIG. 18, the nozzle tube 4 is connected to the shape retaining wire 6A via the tube joint 5 and the blower nozzle. 3, the flexible nozzle 1 is attached to the tip of the blower nozzle 3.

  When the dust adhered to the object to be cleaned inside the financial terminal M is removed and cleaned by the flexible nozzle 1 of the electric vacuum cleaner 2, as shown in FIG. 19, the maintenance worker P sets the nozzle of the nozzle tube 4 of the flexible nozzle 1. The nozzle tube 4 and the shape-retaining wire 6A are appropriately placed by hand so that the compressed air injection port 41 formed at the one end 40a of the tube body 40 is directed to the cleaning location of the object to be cleaned inside the financial terminal M. It can be bent into any shape.

  The method of using the flexible nozzle of the vacuum cleaner according to the second embodiment of the present invention is exactly the same as the flexible nozzle of the vacuum cleaner according to the first embodiment of the present invention shown in FIG.

FIG. 20 is a front sectional view showing the configuration of the flexible nozzle of the vacuum cleaner according to the third embodiment of the present invention. FIG. 21 shows the nozzle tube of the flexible nozzle of the vacuum cleaner according to the third embodiment of the present invention. FIG. 22 is a right side view of FIG. 21, FIG. 23 is a left side view of FIG. 21, and FIG. 24 is a tip of a blower nozzle of a flexible nozzle of a vacuum cleaner according to a third embodiment of the present invention. The principal part expanded sectional view which shows the attachment state to a part, FIG. 25: is a principal part expanded sectional view which shows the state which bent the nozzle tube of the flexible nozzle of the vacuum cleaner of 3rd Example which concerns on this invention.
In the flexible nozzle 1 of the electric vacuum cleaner of the present invention, the nozzle tube 4 </ b> A has a bellows portion 44 that can be bent at a part of the nozzle tube main body 40.

  As shown in FIG. 20, the flexible nozzle 1 is a long straw type nozzle tube 4 </ b> A having flexibility and shape retention for compressed air injection, and the nozzle tube 4 </ b> A is connected to the tip of the blower nozzle 3. Tube joint 5.

  The tube joint 5 of the flexible nozzle 1 of the third embodiment is the same as that of the first embodiment shown in FIG.

  As shown in FIG. 21, the nozzle tube 4A has a cylindrical nozzle tube main body 40 having substantially the same diameter as the nozzle tube connecting portion 52 of the tube joint 5, and one end 40a of the nozzle tube main body 40 is shown in FIG. As shown in FIG. 23, a compressed air injection port 41 </ b> A having a circular end surface that opens toward one side for injecting compressed air that is secondarily compressed is formed, and the other end 40 b of the nozzle tube body 40 is shown in FIG. 23. As described above, an insertion opening portion 42A having a circular end surface that opens toward the other side for inserting the nozzle tube connection portion 52 of the tube joint 5 is formed, and the straight pipe portion 45 that becomes a part of the nozzle tube main body 40. A bendable bellows portion 44 is formed between the straight pipe portion 46 and the straight pipe portion 46.

  The nozzle tube 4A is made of a flexible synthetic resin material such as polypropylene, polyethylene, or polystyrene.

  The flexible nozzle of the electric vacuum cleaner according to the third embodiment is obtained by replacing the nozzle tube 4 shown in FIG. 1 with the nozzle tube 4A shown in FIG. 21, thereby omitting the shape retaining wire 6 and the plurality of binding bands 7. is there.

  The flexible nozzle 1 is attached to the tip of the blower nozzle 3 by fitting the blower nozzle 3 to the tip of the spot nozzle 9 and then the nozzle of the tube joint body 50 of the tube joint 5 as in the first embodiment. The other end portion of the nozzle tube body 40 of the nozzle tube 4A is pressed by inserting the tube connection portion 52 into the other end portion from the insertion opening 42A formed at the other end 40b of the nozzle tube body 40 of the nozzle tube 4A. The tube fitting 5 is fitted into the outer peripheral surface of the nozzle tube connecting portion 52 of the tube joint body 50 so as to be elastically deformed, and the compressed air passage 43A inside the nozzle tube body 40 of the nozzle tube 4A and the tube joint 5 are fitted together. The compressed air passage 56 inside the nozzle tube connecting portion 52 of the tube joint body 50 communicates with each other, and the nozzle Cube 4A is connected to the nozzle tube connecting portion 52 of the tube joint body 50 of the tube joint 5, as shown in FIG. 24, attach the nozzle tube 4A to the distal end portion of the tube joint body 50 of the tube joint 5.

  Thereafter, the distal end portion of the blower nozzle body 30 of the blower nozzle 3 is inserted into the nozzle connection portion 51 from the nozzle connection port 53 formed at the proximal end 50 a of the tube joint body 50 of the tube joint 5, whereby the tube joint body of the tube joint 5. 50 nozzle connection portions 51 are fitted to the outside of the tip end portion of the tapered tubular portion 32 of the blower nozzle body 30 of the blower nozzle 3, and the inner peripheral surface 57 of the nozzle connection portion 51 of the tube joint body 50 of the tube joint 5 and the blower nozzle 3. The outer peripheral surface 37 of the tip end of the tapered tubular portion 32 of the blower nozzle body 30 is in close contact with each other, and the compressed air injection port 41A formed at one end 40a of the nozzle tube body 40 of the nozzle tube 4A is the tube joint body 50 of the tube joint 5. Nozzle port 54 formed at the tip 50b and the blower nozzle body 3 of the blower nozzle 3 24, the nozzle tube 4A communicates with the exhaust passage 35 inside the blower nozzle body 30 through a compressed air jet 34 formed at the tip 30b of the nozzle. As shown in FIG. The flexible nozzle 1 is attached to the tip of the blower nozzle 3.

  When the dust adhered to the object to be cleaned is removed and cleaned by the flexible nozzle 1 of the vacuum cleaner 2 inside the financial terminal M, the maintenance worker P compresses the nozzle tube 4A of the flexible nozzle 1 as shown in FIG. By bending the bellows portion 44 formed in a part of the nozzle tube main body 40 into an appropriate shape by hand so that the air injection port 41A faces the cleaning portion of the object to be cleaned inside the financial terminal M. The straight tube portion 46 of the nozzle tube 4 can be inclined at an arbitrary angle with respect to the straight tube portion 45.

  The nozzle tube may be fixed with an adhesive so as not to come off from the nozzle tube connecting portion of the tube joint body of the tube joint.

  The method of using the flexible nozzle of the vacuum cleaner according to the third embodiment of the present invention is exactly the same as the flexible nozzle of the vacuum cleaner according to the first embodiment of the present invention shown in FIG.

  The flexible nozzle of the electric vacuum cleaner of the present invention is such that the compressed air injection port formed at one end of the nozzle tube body of the nozzle tube faces the cleaning location of the object to be cleaned to be cleaned inside the financial terminal. The nozzle tube can be bent freely.

  Moreover, as a financial terminal which uses the flexible nozzle of the vacuum cleaner of this invention, a banknote calculator, a money changer, a cash processing machine, UBT (bank terminal), various cashiers, ADS, bill / check reading identification device, bill / Check issuing machine, cash sorting machine, micro sorter, encoder, tailor's machine, banknote banding machine, open teller machine, UM equipment, auto casher, banknote storage machine, money / banknote sorting machine, coin winding machine, card sealing machine No. mount cutter.

  Furthermore, the flexible nozzle of the vacuum cleaner of the present invention can also be used for cleaning the inside of information processing terminals such as automatic ticket gates and vending machines other than financial terminals, and copiers, fax machines, printers, and multifunction machines. .

BRIEF DESCRIPTION OF THE DRAWINGS The front sectional view which shows the structure of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. The front sectional view which shows the nozzle tube of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. The right view of FIG. The left view of FIG. The front sectional view which shows the tube joint of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. The left view of FIG. The right view of FIG. The front sectional view showing the blower nozzle which attaches the flexible nozzle of the vacuum cleaner of the 1st example concerning the present invention. The left view of FIG. The right view of FIG. The front view which shows the attachment state to the spot nozzle of a blower nozzle. The principal part expanded sectional view which shows the connection state to the front-end | tip part of the spot nozzle of a blower nozzle. The principal part expanded sectional view which shows the attachment state to the front-end | tip part of the blower nozzle of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. The principal part expanded sectional view which shows the state which bent the nozzle tube of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention, and the shape-retaining wire. The schematic perspective view which shows the use condition of the flexible nozzle of the vacuum cleaner of 1st Example which concerns on this invention. Front sectional drawing which shows the structure of the flexible nozzle of the vacuum cleaner of 2nd Example which concerns on this invention. The front view which shows the nozzle tube which wound the shape-retaining wire in the flexible nozzle of the vacuum cleaner of 2nd Example which concerns on this invention helically. The principal part expanded sectional view which shows the attachment state to the front-end | tip part of the blower nozzle of the flexible nozzle of the vacuum cleaner of 2nd Example which concerns on this invention. The principal part expanded sectional view which shows the state which bent the nozzle tube of the flexible nozzle of the vacuum cleaner of 2nd Example which concerns on this invention, and the shape-retaining wire. Front sectional drawing which shows the structure of the flexible nozzle of the vacuum cleaner of 3rd Example which concerns on this invention. Front sectional drawing which shows the nozzle tube of the flexible nozzle of the vacuum cleaner of 3rd Example which concerns on this invention. The right view of FIG. The left view of FIG. The principal part expanded sectional view which shows the attachment state to the front-end | tip part of the blower nozzle of the flexible nozzle of the vacuum cleaner of 3rd Example which concerns on this invention. The principal part expanded sectional view which shows the state which bent the nozzle tube of the flexible nozzle of the vacuum cleaner of 3rd Example which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flexible nozzle 2 Vacuum cleaner 3 Blower nozzle 4,4A Nozzle tube 4a One end 4b The other end 5 Tube joint 6,6A Shape retention wire material 7 Binding band (binding means)
8 Hose 8a One end portion 8b Other end portion 9 Spot nozzle 9a Base end portion 9b Tip end portion 20 Vacuum cleaner body 30 Blower nozzle body 30a Base end 30b Tip end 31 Straight pipe portion 32 Tapered tubular portion 33 Spot nozzle connection port 34 Compressed air outlet 35 Exhaust passage 36 Inner peripheral surface 37 Outer peripheral surface 40 Nozzle tube body 40a One end 40b The other end 41, 41A Compressed air injection port 42, 42A Insertion opening 43, 43A Compressed air passage 44 Bellows portion 45 Straight pipe portion 46 Straight pipe portion 50 Tube joint body 50a Base end 50b Tip 51 Nozzle connection portion 52 Nozzle tube connection portion 53 Nozzle connection port 54 Nozzle port 55 End wall 56 Compressed air passage 57 Inner peripheral surface 90 Outer peripheral surface C1 Central axis C2 Central axis C3 Central axis M Financial terminal P Maintenance worker θ Crossing angle

Claims (8)

A flexible nozzle of a vacuum cleaner that is detachably attached to a tip of a blower nozzle that blows out compressed air that is primarily compressed from exhaust discharged from the exhaust port of the vacuum cleaner,
A long nozzle tube having flexibility for jetting compressed air, and a tube joint that connects the nozzle tube to the tip of the blower nozzle, the tube joint being a hollow that communicates with an exhaust passage inside the blower nozzle A tube joint body of the body, and the tube joint body of the tube joint is contracted from the proximal end on the air inlet side for fitting outside the distal end portion of the blower nozzle toward the middle of the distal end on the air outlet side. A tapered tubular nozzle connecting portion having a diameter, and a small diameter for secondarily compressing the compressed air that has been compressed and formed integrally with the end of the nozzle connecting portion protruding toward the tip on the same central axis. An end face circle that is formed with a cylindrical nozzle tube connecting portion and that is open to insert the distal end portion of the blower nozzle into the proximal end of the tube joint body of the tube joint. A nozzle connection port is formed, and a nozzle port is formed at the tip of the tube joint body of the tube joint to inject the compressed air that is secondarily compressed. The nozzle tube is a cylindrical nozzle tube body. A compressed air injection port is formed at one end of the nozzle tube main body of the nozzle tube to open the compressed air compressed by the secondary compression, and is formed inside the other end of the nozzle tube main body of the nozzle tube. A flexible nozzle for a vacuum cleaner, wherein the nozzle tube connecting portion of the tube joint main body of the tube joint is press-fitted and connected.   The flexible nozzle of the vacuum cleaner according to claim 1, wherein the nozzle tube is made of a synthetic resin material such as silicon rubber, silicon resin, or polyethylene.   The flexible nozzle for a vacuum cleaner according to claim 1, wherein a material of the tube joint is a thermoplastic resin such as polypropylene.   Furthermore, it comprises the elongate shape-retaining wire which has the flexibility for shape-retaining the said nozzle tube, The said shape-retaining wire is arrange | positioned along the longitudinal direction of the said nozzle tube. Flexible nozzle of the vacuum cleaner described.   The flexible nozzle for an electric vacuum cleaner according to claim 4, wherein the shape-retaining wire is formed by coating a periphery of a long core material having flexibility and shape retention with a synthetic resin coating material.   The flexible nozzle of the vacuum cleaner according to any one of claims 1 to 5, wherein the shape-retaining wire is bound and fixed to the blower nozzle and the nozzle tube by a plurality of binding bands.   The flexible nozzle of the vacuum cleaner according to any one of claims 1 to 3, wherein the shape-retaining wire is spirally wound around an outer periphery of a nozzle tube body of the nozzle tube.   The said nozzle tube is a flexible nozzle of the vacuum cleaner of Claim 1 which has a bellows part which can be bent in a part of said nozzle tube main body.

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