JP2003185074A - Hose coupling, hose coupling structure and hose connection method of hose winding machine - Google Patents

Abstract

(57) [Summary] [PROBLEMS] When a hose is wound by a hose winder, a hose joint part can be wound substantially along a drum of the hose winder, and the hose is connected to a tip of the hose joint. Provided are a hose joint, a hose joint structure, and a hose connection method of a hose winding machine that can prevent the hose from being damaged without being largely bent at a portion of the hose. A hose joint (80) is formed by integrally connecting a substantially cylindrical core (81) made of synthetic resin and a substantially cylindrical connecting member (82) made of rubber. In order to connect two hoses using this joint 80, as shown in FIG.
b, 81b are inserted into the hoses 22, 22, respectively, and each of the hoses 22, 22 is fastened with a fastening tool T, such as a swaging band.
Tighten.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a hose joint for a hose winder, a hose joint structure, and a hose connecting method.

[0002]

2. Description of the Related Art As a power sprayer equipped with a hose winder, a power sprayer equipped with an automatic hose winder as shown in FIG. 10 has been known. In this power sprayer 10 with an automatic hose winder, drive wheels 12 as front wheels and casters 13 as rear wheels are attached to a machine body frame 11, and the drive wheels 12 are driven to rotate so that they can run independently. A handle 14 is formed on the upper rear end side of the machine body frame 11, and an operator can steer the power sprayer 10 by gripping the handle 14 and changing the steering angle of the caster 13. ing. An engine (motor) 15 and a pump 16 are installed in the rear half of the machine frame 11 in the front-rear direction, and a worker near the handle 14 starts the engine 15
The stop operation and the pressure adjusting operation of the pump 16 can be smoothly performed.

In the front half of the body frame 11 in the front-rear direction,
A hose winder 20 is rotatably installed around a rotary shaft 21, and a hose 22 is wound around the hose winder 20. A transmission 23 is installed substantially in the center of the machine body frame 11 in the front-rear direction. Also,
A transmission 24 is installed in the lower front portion of the machine body frame 11 and is directly connected to the drive wheels 12.

On the upper part of the machine frame 12, a hose guide 25 is provided at a position on the rear side of the hose winder 20 in the front-rear direction.
The hose guide 25 is installed on the hose 2.
The unit 2 is adapted to reciprocate in the left-right direction of the machine body frame 11 by an aligning winding device (not shown) so that the unit 2 is alignedly wound around the hose winder 20. A delivery roller 26 and a pressing roller 27 are attached to the hose guide 25. The delivery roller 26 is rotationally driven, and the pressing roller 27 is fed by a spring.
By biasing the hose 22 to the side, the hose 22 is sandwiched between the delivery roller 26 and the pressing roller 27, so that the hose 22 is delivered from the through hole of the hose guide 25.

A guide arm portion 28 is provided above the hose guide 25 so as to be rotatable around a vertical axis of a through hole of the hose guide 25, and the hose 22 wound around the hose winder 20 is connected to the hose. Guide from the guide 25 to the outside of the machine body frame 11. At the bottom of the guide arm portion 28,
A large diameter guide roller 29 is provided, and the hose guide 25
The hose 22 sent upward from the through hole is guided obliquely upward. Further, a small-diameter guide roller 30 is provided on the upper part of the guide arm portion 28, and guides the hose 22 sent obliquely upward and downward. Between the guide roller 29 and the guide roller 30,
A plurality of hose stoppers 31 are provided at appropriate intervals to prevent the hose 22 from coming off from the guide rollers 29 and 30.

2 mounted on the output shaft 35 of the engine 15
A belt 39 is wound around the stepped pulley 36 and a pulley 38 mounted on the drive shaft 37 of the pump 16 to transmit rotational power from the output shaft 35 of the engine 15 to the drive shaft 37 of the pump 16. The tension clutch 40 switches between the tensioned state and the relaxed state of the belt 39, and turns on / off the transmission of the rotational power from the engine 15 to the pump 16. Engine 1
The belt 43 is wound around the two-stage pulley 36 of No. 5 and the pulley 42 attached to the input shaft 41 of the transmission 23.
The rotational power is transmitted from the output shaft 35 of No. 5 to the input shaft 41 of the transmission 23. The transmission 23 is a well-known gear reducer including, for example, a gear shaft, and converts the rotational power input to the input shaft 41 into an appropriate rotational speed and outputs the converted rotational power to the output shaft 44.

A belt 47 is wound around a pulley 45 attached to one end of the output shaft 44 and a pulley 46 attached to the rotary shaft 21 of the hose winder 20. The rotational power of 44 is transmitted to the rotary shaft 21 of the hose winder 20. The tension clutch 48 is
The transmission 2 is switched between the tensioned state and the relaxed state of the belt 47.
The transmission of the rotational power from 3 to the hose winder 20 is turned on and off. A chain 52 is wound around the sprocket 50 mounted on the rotating shaft 21 and the sprocket 51 mounted on the aligning shaft of the aligning winding device. The chain 52 is aligned with the rotation of the rotating shaft 21 of the hose winder 20. The alignment axis of the device rotates, and the hose guide 25 moves the machine frame 11
It is designed to reciprocate in the left and right directions.

A belt 57 is wound around a pulley (not shown) attached to the other end of the output shaft 44 and a pulley 56 attached to the input shaft 55 of the transmission 24.
The rotational power of the output shaft 44 of No. 4 is transmitted to the input shaft 55 of the transmission 24. The tension clutch 58 switches between the tensioned state and the relaxed state of the belt 56, and the transmission 23 to the transmission 2
Turn on / off transmission of rotational power to No. 4. The transmission 24 is, for example, a well-known gear reducer with a shift lever configured by a gear shaft. The transmission 24 converts the rotational power input to the input shaft 55 into an appropriate rotational speed and outputs the rotational power to the output shaft 59. The rotation of the output shaft 59 can be switched between normal rotation, reverse rotation, and neutral by a lever (not shown). The drive wheels 12 are directly connected to the output shaft 59, and the drive wheels 12 are moved forward by the body frame 11 by operating the shift lever.
It is possible to switch between reverse and neutral.

By the way, conventionally, as a hose joint for connecting hoses to each other, a combined joint 6 as shown in FIG.
0 is used. The assembled joint 60 includes a male hose screw 61, a female hose screw 64 including a center core 62 and a nut 63, and a packing 65 attached to the center core 62. In order to connect the two hoses using the assembled joint 60, as shown in FIG. 12, the insertion portion of the hose male screw 61 is inserted into one hose H, and the fastener T such as a caulking band is used to connect the two hoses. While tightening the hose H, the insertion portion of the center core 62 of the hose female screw 64 is inserted into the other hose H, and the hose H is tightened by the fastening tool T, and the hose male screw 61 and the center core 62 are separated from each other. Packing 65
The male thread of the hose male thread 61 is tightened with the female thread of the nut 63 of the female hose thread 64 in a state in which the male thread 61 of the hose is interposed, and the male thread 61 of the hose and the female thread 64 of the hose are coupled.

Conventionally, as a hose joint, a bamboo shoot joint 70 having insertion portions on both sides as shown in FIG. 13 has been used. In order to connect two hoses using this joint 70, as shown in FIG. 14, the respective insertion portions of the joint 70 are inserted into the hoses H, H, and the fasteners T, T such as caulking bands are used. Tighten the hoses H and H.

[0011]

However, the hose 22 having a length of about 50 m to 150 m wound around the hose winder 20 of the power sprayer 10 with the automatic hose winder as described above is further extended. To add a hose for this purpose, or to cut and connect a part of the hose 22 when it is damaged or worn,
Such a conventional hose joint 60 or hose joint 7
If the hose 22 is connected using 0, the hose joints 60 and 70 are not flexible, so the hose winder 2
When wound on 0, the hose joints 60 and 70 are in a state of protruding radially outward from the drum of the hose winder, and the hose 22 cannot be wound along the drum, and 22 is a hose fitting 6
It gets damaged at the 0, 70 part.

Further, when the hose 22 is connected by using the hose joint 60 or the hose joint 70, as shown in FIG. 15, when these joint portions pass through the large diameter guide roller 29, the hose joints 60, 70. Since the hose 22 does not bend, the bending radius of the hose 22 increases at the joint tip portion of the joint portion, and the pain of the hose 22 becomes severe.

Further, as shown in FIG. 16, the hose joints 60 and 70 do not bend when these joint portions pass through the guide roller 30 having a small diameter, so that the joint portions form the guide roller 30 and the hose stopper 31. If the joint portion cannot be passed or if the joint portion can be passed, smooth movement does not occur and the hose 22 or the guide roller 30 may be damaged. Particularly, when the assembled joint 60 is used, such a problem is likely to occur because the nut 63 of the hose external thread 61 and the hose internal thread 64 is larger than the outer diameter of the hose 22.

In addition, using the hose fitting 60, the hose 2
2 is connected, hose male screw 6
1 and the nut 63 of the female hose 64 are larger than the outer diameter of the hose 22, these cannot be caught between the feeding roller 26 and the pressing roller 27.
The hose 22 cannot be delivered.

For the above reasons, conventionally, when it is desired to use a hose longer than the hose 22 wound around the hose winder 20, the hose cannot be replenished and a new hose cannot be added. You have to buy a length of hose. If part of the hose 22 is damaged or worn,
There is no choice but to replace the entire hose 22.

Incidentally, in FIG. 15, FIG. 16 and FIG.
A caulking metal fitting is used as the fastening tool T. In addition, FIG.
16 and FIG. 16 also show a view seen from a direction along each groove of the guide rollers 29 and 30.

The present invention has been made in view of the above circumstances, and when the hose is wound by the hose winder,
The hose joint part can be wound almost along the drum of the hose winder, and the hose can be prevented from being greatly bent at the tip of the hose joint to prevent the hose from being damaged. Hose fittings for takers,
An object is to provide a hose joint structure and a hose connecting method.

[0018]

In order to achieve the above object, a hose coupling (80, 90, 100) of a hose winder according to claim 1 has a hose winding wound with a hose (22). In the taker (20), the hose (2
2) Tubular hose fittings (80, 90,
100) having a flexible middle portion (82, 90)
b, 100b) and the intermediate portion (82, 90b, 100)
Both insertion parts provided on both ends of b) and inserted into two hoses (22, 22) connected to each other and fixed to each hose (22, 22) by fasteners (T, T). (81b, 90a, 100a) are provided.

According to the first aspect of the invention, when the hose is wound by the hose winder, since the middle portion of the hose joint has flexibility, the hose joint can be bent. Can be wound almost along the drum of the hose winder, and the hose can be prevented from being damaged because the hose does not bend significantly at the tip of the hose joint. Therefore, the hose connected by this hose joint can be used for the hose winder.If you want to use a hose that is longer than the hose wound on the hose winder, you can add the hose. As a result, there is no need to purchase a new long hose. Further, when a part of the hose is damaged or worn, the part can be cut off and connected using a hose joint, so that it is not necessary to replace the entire hose.

The hose joint (80) of the hose winder according to a second aspect is the hose joint (80) according to the first aspect, wherein the intermediate portion (82) is formed of a flexible material. Characterize.

According to the second aspect of the invention, since the intermediate portion is made of a flexible material, the intermediate portion can be bent.

According to a third aspect of the present invention, in the hose joint (90, 100) of the hose winder according to the first aspect, the intermediate portion (90b, 100b) is formed in a bellows shape. Is characterized by.

In the third aspect of the invention, since the intermediate portion is formed in a bellows shape, the intermediate portion can be bent.

According to a fourth aspect of the present invention, in the hose joint (90, 100) of the hose winder according to the third aspect, the bellows-shaped intermediate portion (90b, 100b) is made of synthetic resin or metal. Both the insertion parts (90a, 100
characterized by being integrally formed with a)

According to the invention of claim 4, since the bellows-shaped intermediate portion is integrally formed with both insertion portions by the synthetic resin or the metal, the hose joint can be easily manufactured, so that the manufacturing cost can be reduced. .

A hose joint (80, 90, 100) of a hose winder according to a fifth aspect of the present invention is the hose joint (80, 90, 100) according to any one of the first to fourth aspects of the present invention.
1b, 90a, 100a) is characterized by having flexibility.

In the invention of claim 5, since both the insertion portions are also flexible, the entire hose joint can be bent in an arc shape, so that the portion of the hose joint is along the drum of the hose winder. You can wind it up with. Also, since the entire hose joint can be bent in an arc,
When the guide roller for guiding the hose is installed, the joint portion moves along the guide roller regardless of the diameter of the guide roller, so that the hose can be prevented from being damaged at the joint portion. In addition, a hose stopper is installed together with the guide roller to prevent the hose from separating from the guide roller, and when the hose passes between the guide roller and the hose stopper, a joint is provided between the guide roller and the hose stopper. Parts can pass through without any problems.

A hose joint (80, 90, 100) of a hose winder according to a sixth aspect of the present invention is the hose joint (80, 90, 100) according to any one of the first to fifth aspects of the invention, wherein the intermediate portion (8
The outer diameter of (2, 90b, 100b) is substantially the same as the outer diameter of the hose (22) to be connected.

In the invention of claim 6, since the outer diameter of the hose joint is substantially the same as the outer diameter of the hose, a feed roller and a pressure roller for feeding the hose are installed, and these feed roller and pressure roller are provided. When the hose is bitten into the and, the joint portion can be bitten into the feed roller and the pressing roller, so that the hose can be fed even if there is the joint portion. Also, since the outer diameter of the hose joint is approximately the same as the outer diameter of the hose, when a guide roller that guides the hose is installed, the joint portion moves smoothly without being caught by the guide roller. be able to.

A hose joint structure for a hose winder according to a seventh aspect is the hose joint (80, 90, 10) for a hose winder according to any one of the first to sixth aspects.
0) the both insertion parts (81b, 90a, 100a),
Inserted into two hoses (22, 22) connected to each other, and each insertion portion (81b, 90a, 100a) is fixed to each hose (22, 22) by a fastener (T, T). Is characterized by.

According to the seventh aspect of the invention, when the hose is wound by the hose winder, since the middle part of the hose joint has flexibility, it can be bent. Can be wound almost along the drum of the hose winder, and the hose can be prevented from being damaged because the hose does not bend significantly at the tip of the hose joint. Therefore, since this hose coupling structure can be used for the hose of the hose winder, the hose can be replenished when it is desired to use a hose longer than the hose wound on the hose winder. Therefore, there is no need to purchase a new long hose. Further, when a part of the hose is damaged or worn, the hose joint structure can be used by cutting off the part, so that it is not necessary to replace the entire hose.

A hose connecting method for a hose winder according to claim 8 is a method for connecting the hose (22) in a hose winder (20) wound with a hose (22). Flexible middle part (82, 90)
b, 100b) and the intermediate portion (82, 90b, 100)
Both insertion parts (81b, 90a,
100a) and a cylindrical hose joint (80, 90,
100) Both insertion parts (81b, 90a, 100a)
Are respectively inserted into the two hoses (22, 22) connected to each other, and the respective insertion parts (81b, 90a, 100a)
Is fixed to each hose (22, 22) by a fastener (T, T).

In the eighth aspect of the invention, when the hose connected by the method of the present invention is wound by the hose winder, the hose joint is flexible because the middle part of the hose joint has flexibility. Since the hose joint can be wound almost along the drum of the hose winder, the hose will not be bent greatly at the tip of the hose joint, preventing hose damage. You can Therefore, by connecting the hose of the hose winder using the method of the present invention, if you want to use a hose longer than the hose wound on the hose winder, it is possible to add the hose, There is no need to purchase a new long hose. Further, when a part of the hose is damaged or worn, the hose can be cut off and connected, so that it is not necessary to replace the entire hose.

The reference numerals in parentheses in the above represent the corresponding elements in the drawings for convenience,
Therefore, the present invention is not limited to the description on the drawings. This also applies to the description in the "Claims" section.

[0035]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a hose joint of a hose winder according to a first embodiment of the present invention. The hose joint 80 is formed by integrally connecting two substantially cylindrical inner cores 81 made of synthetic resin by a substantially cylindrical connecting member (intermediate portion) 82 made of rubber. That is, the expanded connecting portions 81a and 81a are formed at the base end portions of both the cores 81 and 81, and these connecting portions 81a and 81a are connected to the connecting member 82, respectively.
By molding the rubber material into a tubular shape so as to be embedded in both end portions of both, the two cores 81, 81 and the connecting member 82 are fixed and integrated with each other. The outer diameter of the connecting member 82 is set to be substantially the same as the outer diameter of the hose to be connected.

In order to connect the two hoses using the assembled joint 80, as shown in FIG. 2, the insertion portions 81b and 81b of the two cores 81 and 81 are inserted into the hoses 22 and 22, respectively, and the caulking is performed. Each hose 2 with a fastener T such as a band
Tighten 2, 22. In the figure, the outer diameter of the connecting member 82 is slightly larger than the outer diameter of the hose 22, but the outer diameter of the connecting member 82 can pass through the groove of the delivery roller 26 and the groove of the small-diameter roller 30. It has a diameter.

In such a hose joint 80, 50 m or more wound around the hose winder 20 of the power sprayer 10 with an automatic hose winder as shown in FIG.
Use this hose fitting 80 when adding a hose 22 of about 150 m in length to further extend it, or when cutting or connecting a part of the hose 22 when it is damaged or worn. When used, the connecting member 8
Since 2 is made of flexible rubber, it bends sufficiently, and since both cores 81, 18 are made of synthetic resin, they bend a little.
The hose joint 80 as a whole can be bent in an arc shape.
Therefore, when the hose 20 is wound up by the hose winder 20, the hose joint 80 can also be wound up along the drum of the hose winder 20, and the hose 22 becomes the core of the hose joint 80. The hose 22 can be prevented from being damaged because it is not bent greatly at the tip of the insertion portion 81b of the 81.

In addition, the hose 22 is connected by using the hose joint 80.
3, the hose joint 80 is connected when this joint portion passes through the large diameter guide roller 29, as shown in FIG.
Since it bends in a bow shape, the hose 22 can be prevented from being damaged because it is not bent significantly at the tip of the insertion portion 81b of the center core 81 of the hose joint 80.

Further, as shown in FIG. 4, when this joint portion passes through the guide roller 30 having a small diameter, the hose joint 80 bends in an arc shape, so that the joint portion is guided by the guide roller 30.
Since it moves along the groove of No. 2, it can pass between the guide roller 30 and the hose stopper 31, and since the outer diameter of the hose joint 80 is substantially the same as the outer diameter of the hose 22,
You can pass smoothly.

Further, using the hose joint 80, the hose 2
When the two are connected, as shown in FIG. 5, since the outer diameter of the hose joint 80 is substantially the same as the outer diameter of the hose 22, the hose joint 80 should be sandwiched between the delivery roller 26 and the pressing roller 27. The hose 22 can be sent out.

As described above, when the hose 22 is connected by using the hose joint 80, the connected hose 22 is connected to the hose winding machine 20 of the power sprayer 10 with the automatic hose winding machine.
Therefore, if you want to use a hose that is longer than the hose 22 that is wound on the hose winder 20, you can add a hose and purchase a new long hose. There is no. Also, the hose 22
If a part of the hose is damaged or worn, the part can be cut off and connected using the hose joint 80, so that it is not necessary to replace the entire hose 22.

In FIGS. 3, 4, and 5, a caulking metal fitting is used as the fastening tool T. In addition, FIGS. 3 and 4 also include views viewed from the direction along the grooves of the guide rollers 29 and 30.

FIG. 6 is a view showing a hose joint of a hose winder according to a second embodiment of the present invention. The hose joint 90 is a substantially tubular joint made of synthetic resin having insertion portions 90a, 90a on both sides.
An intermediate portion 90b between 0a and 90a is formed in a bellows shape. The outer diameter of the intermediate portion 90b is set to be substantially the same as the outer diameter of the hose to be connected. In order to connect two hoses using this hose joint 90, as shown in FIG.
2 and 22, and the hoses 22 and 22 are fastened by fastening tools T and T such as caulking bands. In the figure, the outer diameter of the intermediate portion 90b is slightly larger than the outer diameter of the hose 22, but the outer diameter of the intermediate portion 90b can pass through the groove of the delivery roller 26 and the groove of the small diameter roller 30. It has a diameter.

Even in such a hose joint 90, since the intermediate portion 90b is formed in a bellows shape, the hose joint 90 is sufficiently bent, and both the insertion portions 90a, 90a are also made of synthetic resin, so that the hose joint is slightly bent. 90 can be bent in a bow shape as a whole, and since the outer diameter of the intermediate portion 90b is set to be substantially the same as the outer diameter of the hose to be connected, if the hose 22 is connected using the hose joint 90, Similar to the case of the hose joint 80, the connected hose 22 is connected to the hose winder 2 of the power sprayer 10 with the automatic hose winder.
Therefore, the hose 22 can be extended, or the broken portion can be cut and connected.

FIG. 8 is a diagram showing a hose joint of a hose winder according to a third embodiment of the present invention. The hose joint 100 is a substantially tubular joint made of metal having bellows-shaped insertion portions 100a and 100a on both sides, which have relatively small unevenness in size.
The intermediate portion 100b between the portions a is formed in a bellows shape having a large difference in the size of the unevenness, and the intermediate portion 100b is formed in the both insertion portions 10a.
The flexibility is larger than 0a and 100a. The outer diameter of the intermediate portion 100b is set to be substantially the same as the outer diameter of the hose to be connected. To connect two hoses using this hose fitting 100, as shown in FIG.
Hose 2 for both insertion parts 100a and 100a
2 and 22, and the hoses 22 and 22 are fastened by fastening tools T and T such as caulking bands. In the figure, the outer diameter of the intermediate portion 100b is slightly larger than the outer diameter of the hose 22, but the outer diameter of the intermediate portion 100b can pass through the groove of the delivery roller 26 and the groove of the small diameter roller 30. It has a diameter.

Even with such a hose joint 100,
Since the intermediate portion 100b is formed in a bellows shape having a large flexibility, the intermediate portion 100b is sufficiently bent and both the insertion portions 100a, 100
Since a is also formed in a flexible bellows shape, the hose joint 90 as a whole can be bent in an arc shape, and the outer diameter of the intermediate portion 100b is substantially equal to the outer diameter of the hose to be connected. Since they are set the same, the hose fitting 100
If the hose 22 is connected by using the
The connected hose 22 can be used for the hose winder 20 of the power sprayer 10 with an automatic hose winder, and therefore the hose 22 can be extended or the damaged part can be cut off. Can be connected.

In each of the above embodiments, the insertion portion 81
Although the b, 90a, and 100a are configured to be flexible, the insertion portions 81b, 90a, and 100a do not necessarily have to be flexible, and even in this case, the insertion portions 81b, 90a, and 100a do not have to be flexible. Connection member 8 located between
2. Since the intermediate portions 90b, 100b are flexible and bend at this portion, they can be wound almost along the drum of the hose winder 20, and the hose 22 can be inserted by the insertion portions 81b, 90a, The hose 22 can be prevented from being damaged because the hose 22 is not greatly bent at the tip portion of the 100a.

In each of the above embodiments, the hose couplings 80, 90, 100 are connected to the hose 2 in the hose winder 20 of the power sprayer 10 with the automatic hose winder.
I explained the case of applying to connect 2
The present invention can be applied to a hose winder of a power sprayer with a hose winder, such as a manual winder, instead of an automatic winder. Further, the present invention can be applied to a winder such as a carpet sprayer, and further to a hose winder of a hose winder including a hose winder.

[0049]

As described above, according to the present invention,
When the hose is taken up by the hose winder, the hose fitting can also be taken up almost along the drum of the hose take-up machine, and the hose does not bend significantly at the tip of the hose fitting. The hose can be prevented from being damaged. Therefore, since the hose connected by the hose coupling according to the present invention can be used for the hose winder, when the hose longer than the hose wound on the hose winder is desired, the hose is spliced. It can be added, there is no need to purchase a new long hose, and if a part of the hose is damaged or worn, cut that part and connect it using the hose joint according to the present invention. Yes, there is no need to replace the entire hose.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a hose joint of a hose winder according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where hoses are connected using the hose joint of FIG.

3 is a diagram showing a state in which a hose connected using the hose joint of FIG. 1 passes through a large-diameter guide roller.

FIG. 4 is a view showing a state in which a hose connected using the hose joint of FIG. 1 passes through a guide roller having a small diameter.

5 is a side view showing a state in which a hose connected by using the hose joint of FIG. 1 passes between a delivery roller and a pressing roller, and FIG. , (B) are views seen from the direction along the groove of the delivery roller.

FIG. 6 is a sectional view showing a hose joint of a hose winder according to a second embodiment of the present invention.

7 is a cross-sectional view showing a state in which hoses are connected using the hose joint of FIG.

FIG. 8 is a cross-sectional view showing a hose joint of a hose winder according to a third embodiment of the present invention.

9 is a cross-sectional view showing a state in which hoses are connected using the hose joint of FIG.

FIG. 10 is a side view showing a power sprayer with an automatic hose winder.

FIG. 11 is a cross-sectional view showing a conventional hose joint.

12 is a cross-sectional view showing a state in which hoses are connected using the hose joint of FIG.

FIG. 13 is a cross-sectional view showing another conventional hose joint.

FIG. 14 is a cross-sectional view showing a state in which hoses are connected using the hose joint of FIG.

15 is a diagram showing a state in which a hose connected using the hose joint of FIG. 11 passes through a large diameter guide roller.

16 is a diagram showing a state in which a hose connected using the hose joint of FIG. 11 passes through a guide roller having a small diameter.

FIG. 17 is a side view showing a state in which a hose connected using the hose joint shown in FIG. 11 is passing between a delivery roller and a pressing roller, FIG. , (B) are views seen from the direction along the groove of the delivery roller.

[Explanation of symbols]

20 hose winder 22 hose 80, 90, 100 hose fittings 81b, 90a, 100a insertion part 82 Connection member (middle part) 90b, 100b middle part T-fastener

Claims (8)

[Claims] 1. A hose winder (20) having a hose (22) wound therein, which is a tubular hose joint (80, 90, 100) for connecting said hose (22) Intermediate portion (82, 90b, 100b) and two hoses (22, 2) provided at both ends of the intermediate portion (82, 90b, 100b) and connected to each other.
2) Inserted portions (81b, 9) which are respectively inserted into the hose (22, 22) and fixed to the hoses (22, 22) by fasteners (T, T).
0a, 100a), and a hose coupling (80, 90, 100) for a hose winder. 2. The hose coupling (80) of the hose winder according to claim 1, wherein the intermediate portion (82) is made of a flexible material. 3. The hose joint (90, 100) of the hose winder according to claim 1, wherein the intermediate portion (90b, 100b) is formed in a bellows shape. 4. The bellows-shaped intermediate portion (90b, 100)
b) is made of synthetic resin or metal, and both insertion parts (90
a, 100a) is integrally formed with the hose joint (9) of the hose winder according to claim 3.
0,100). 5. The both insertion parts (81b, 90a, 100)
The hose joint (80, 90, 100) of the hose winder according to any one of claims 1 to 4, wherein a) has flexibility. 6. The intermediate portion (82, 90b, 100b)
The outer diameter of the hose is substantially the same as the outer diameter of the hose (22) to be connected.
The hose joint of the hose winder according to any one of (8)
0, 90, 100). 7. The hose joint (80, 90, 10) of the hose winder according to claim 1.
0) the both insertion parts (81b, 90a, 100a),
Inserted into two hoses (22, 22) connected to each other, and each insertion portion (81b, 90a, 100a) is fixed to each hose (22, 22) by a fastener (T, T). A hose joint structure for a hose winder. 8. A method of connecting the hoses (22) in a hose winder (20) having a hose (22) wound therein, which comprises a flexible middle part (82, 90b, 100b). When,
Both insertion portions (81b) of the cylindrical hose joint (80, 90, 100) having both insertion portions (81b, 90a, 100a) provided on both ends of the intermediate portion (82, 90b, 100b). , 90a, 100a) are respectively inserted into two hoses (22, 22) connected to each other, and each insertion portion (81b, 90a, 100a) is inserted into each hose (22, 22).
22) A hose connection method for a hose winder, characterized in that the hose is fixed to the hose 22) with fasteners (T, T).