TWI684718B - Inflatable device - Google Patents

Abstract

An inflation device includes a shell base unit, a plug-in unit, and an air valve unit. The shell seat unit has an inflatable shell seat defining an inflation passage extending forward and backward, an intake shell seat extending downward from the inflatable shell seat and capable of allowing gas to flow into the inflation passage, and an intake shell pivotally connected to the intake shell Control handle of the seat. The plug-in unit is arranged at the front end of the inflation channel. The air valve unit is disposed at the rear end of the inflation channel, and includes a movable valve member that can move back and forth in the inflation channel and the rear end is pivotally connected to the control handle, a thimble member disposed in the movable valve member, and a An elastic member provided in the moving valve member and capable of providing the elastic force of the thimble member moving forward and being compressed by the thimble member moving backward. The control handle can be operated by a user and can drive the moving valve to move forward and backward in the inflation channel.

Description

Inflatable device

The invention relates to an inflator device, in particular to an inflator which can be conveniently used for an American air nozzle and a French air nozzle.

Referring to FIG. 1, generally speaking, the structure of the American gas nozzle 11 and the French gas nozzle 12 are different. The American gas nozzle 11 has an American gas nozzle tube 111 with a wide outer diameter, and an American gas nozzle needle 112 enclosed in the American gas nozzle tube 111. The French gas nozzle 12 has a narrow French gas nozzle tube 121 with a relatively small outer diameter, a French gas nozzle needle 122 protruding outside the French gas nozzle tube 121, and a screw sleeve on the French gas nozzle needle 122 which can be opposed to each other The nut 123 of the French valve needle 122 moves.

In addition to the difference in the outer diameter of the gas nozzle tube between the American gas nozzle 11 and the French gas nozzle 12, the biggest difference is whether the gas nozzle needle protrudes from the gas nozzle tube. In order to cope with the structural difference between the American gas nozzle 11 and the French gas nozzle 12, most of the inflation devices need to be used with an inflation joint for the American gas nozzle 11 and the French gas nozzle 12 with different structures to be inserted.

Referring to FIG. 2, a US-France inflation joint 13 has a US-type terminal 131 suitable for use with a US-style gas nozzle 11 and a French-type terminal 132 suitable for use with a French-style gas nozzle 12. The user can insert one end of the inflation joint 13 into the inflation device according to the inflation needs, and insert the other end of the inflation joint 13 for the American-style air nozzle 11 or the French-style air nozzle 12 to use. Although this type of inflatable connector 13 can be used by the American-style gas nozzle 11 or the French-style gas nozzle 12, the user still needs to change the plugging direction of the gas-filling connector 13 according to the usage requirements. There is no way for the user to directly plug and use, convenience Need to be further improved.

The object of the present invention is to provide an inflation device capable of overcoming at least one disadvantage of the prior art.

The inflation device includes a shell base unit, a plug-in unit, and an air valve unit.

The shell base unit has an inflatable shell base defining an inflation channel extending forward and backward, an intake shell base extending downward from the inflatable shell base and capable of supplying gas into the inflation channel, a control handle, and a top support Missile. The control handle has a top pivoting portion located at the top, a handle portion located behind the air intake housing seat and capable of cooperating with the air intake housing seat for a user to grasp, and a top pivoting portion connected to the top The central pivotal portion of the intake shell seat is pivotally connected with the handle portion. The elastic support member is assembled between the intake shell seat and the handle portion and can provide an elastic force for propelling the intake shell seat and the handle portion away from each other. The plug-in unit is arranged at the front end of the inflation channel. The air valve unit is disposed at the rear end of the inflation channel, and includes a movable valve member that can move forward and backward in the inflation channel and the top pivot portion of the control handle pivots at the rear end, and one disposed in the movable valve member A thimble member and an elastic member which is provided in the moving valve member and can provide the elastic force of the thimble member moving forward and can be compressed by the thimble member moving backward. The control handle can be operated by a user and can drive the moving valve to move forward and backward in the inflation channel.

The function of the inflation device is that the elastic member provides the elastic force of the thimble member forward against the gas nozzle needle of the American gas nozzle, and provides the margin for the thimble member to be moved backward by the gas nozzle needle of the French gas nozzle Therefore, the inflation device can be conveniently used for American gas nozzles or French gas nozzles, which solves the trouble of changing the direction of the inflation joint in the past.

In the following description, similar or identical elements will be denoted by the same number.

Referring to 3 to 5, a first embodiment of the inflator of the present invention is suitable for the plug-in use of an American-style air nozzle 21 (see FIG. 7) and a French-style air nozzle 22 (see FIG. 8), and includes a housing base unit 3 , And one air valve unit 4 and one plug-in unit 5 provided in the housing base unit 3.

The shell base unit 3 has an inflatable shell base 31 extending forward and backward and defining an inflation passage 311, a front cover shell base 32 covering the front end of the inflatable shell base 31, and a downward extending from the inflatable shell base 31 and The bottom end can be provided with an air intake pipe (not shown) assembled with an air intake shell base 33, a control handle 34 pivotally connected to the air intake shell base 33, and an assembly of the air intake shell base 33 and the control handle 34 Between the top support elastic 35.

The inflation channel 311 is substantially cylindrical, and extends axially forward and backward, and can provide air to enter and flow therein. The inflatable shell seat 31 and the intake shell seat 33 are connected together and cooperate with each other to be substantially T-shaped, or substantially gun-shaped. The front cover shell base 32 is substantially ring-shaped and can be inserted into the American-style air nozzle 21 or the French-type air nozzle 22, and is screwed on the front end of the air inlet shell base 33, and the cover is disposed in front of the inflation passage 311. The intake shell base 33 has a tubular shape and can supply gas into the inflation passage 311 through the intake shell base 33.

The control handle 34 has a top pivoting portion 341 that protrudes to the rear end of the inflatable housing 31, and a handle that is located behind the intake housing 33 and can cooperate with the intake housing 33 for a user to grasp A portion 342, and a central pivoting portion 343 connected between the top pivoting portion 341 and the handle portion 342 and pivotally connecting the rear portion of the top end of the intake housing 33.

The top support elastic member 35 is a torsion spring, pivotally assembled to the central pivot portion 343, and supported between the air inlet shell base 33 and the handle portion 342, and can provide the air inlet shell base 33 with The elasticity of the handle portion 342 is propped up back and forth.

The air valve unit 4 is disposed at the rear end of the inflation channel 311, and includes a movable valve member 41 that can move forward and backward in the inflation channel 311, an airtight rubber ring 42 sleeved on the movable valve member 41, and an arrangement A thimble member 43 in the moving valve member 41, and an elastic member 44 provided in the moving valve member 41 and capable of providing the elastic force of the thimble member 43 moving forward and being compressed by the thimble member 43 moving backward .

The moving valve member 41 has a base wall group 45 having an outer diameter matching the inner diameter of the inflation passage 311, a surrounding wall group 46 protruding forward from the base wall group 45, and a rearward protrusion protruding from the base wall group 45 Projecting wall 47, and a cylindrical wall 48 projecting forward from the base wall group 45 and located in the surrounding wall group 46.

The base wall group 45 is substantially disc-shaped, and is formed with an annular groove 451 located in the center in the front-rear direction and recessed inward in the radial direction of the inflation passage 311.

The surrounding wall group 46 has a plurality of extending arms 461 arranged at angular intervals along the arc direction of the inflation channel 311 and extending forward from the base wall group 45. The extension arms 461 are equiangularly spaced from each other and are substantially claw-shaped, and cooperate with the base wall group 45 to define an installation space 462 that extends forward and backward and can be provided for the thimble member 43 and the elastic member 44. Each extending arm 461 has an extending arm portion 463 that extends forward and backward along the axial direction of the inflation passage 311, and an inclined arm portion 464 that extends diagonally toward the axis from the front end of the extending arm portion 463 toward the front edge. The inclined arm portions 464 are spaced apart from each other and cooperate to form a tapered head 465 that shrinks in diameter from back to front.

The protruding wall 47 is substantially finger-shaped, the front end portion is connected to the base wall group 45 at the same body, and the rear end portion is pivotally connected to the top pivoting portion 341 of the control handle 34. The cylindrical wall 48 is cylindrical and is spaced radially from the extending arms 461 on the inner side, and can accommodate the thimble member 43 and the elastic member 44.

The air-tight rubber ring 42 is disposed in the annular groove 451, and can deformably abut between the base wall group 45 and the inner peripheral surface of the inflatable shell seat 31, thereby preventing gas from passing through and generating air-tight effect.

The thimble member 43 has a substantially hollow cylindrical tube wall 431 (see FIG. 4) into which the cylindrical wall 48 of the moving valve member 41 is inserted, and a radial outward from the outer peripheral surface of the tube wall 431 The protruding ring wall 432 (see Figure 4). The elastic member 44 is a spring coil sleeved on the cylindrical wall 48 and abutting between the ring wall 432 and the base wall group 45.

The plug-in unit 5 is disposed at the front end of the inflation channel 311, and includes a plug-in ring member 51 located at the front end of the moving valve member 41, a group-connected ring member 52 located in front of the plug-in ring member 51, and a plug A first rubber ring 53 between the plug ring 51 and the set of ring members 52, a second rubber ring 54 abutting between the front cover shell 32 and the set of ring members 52, and a sleeve A rubber washer 55 on the outside of the ring assembly 52.

The plug ring member 51 has a rear ring member portion 511 into which the tapered head 465 of the moving valve member 41 can be inserted, and a front ring member portion 512 extending forward from the rear ring member portion 511. The rear ring part 511 defines a rear insertion area 513 which is reduced in diameter from the rear to the front and can be inserted into the cone head 465.

The set of connecting ring members 52 can be inserted into the American-style gas nozzle 21 and the French-type gas nozzle 22, and has a narrow aperture and a rear narrow extension in the front ring member portion 512 of the insertion ring member 51 The ring portion 521 and a front wide ring portion 522 having a larger inner diameter and extending forward from the rear narrow ring portion 521.

The first rubber ring 53 is located in the front ring part 512 and between the rear narrow ring part 521 and the front ring part 512, and defines a front-rear communication between the plug ring 51 and the set ring 52的中插接区531. The diameter of the middle insertion area 531 is smaller than the outer diameter of the American gas nozzle 21 but larger than the outer diameter of the French gas nozzle 22. The American gas nozzle 21 cannot be inserted, but the French gas nozzle 22 can be inserted.

The second rubber ring 54 is plugged into the front wide ring portion 522 and is located between the front wide ring portion 522 and the front cover shell 32 and defines a hole communicating with the rear narrow ring portion 521 and having an aperture larger than the The front plug area 541 of the middle plug area 531. The front plugging area 541 can be used for plugging the American gas nozzle 21 and the French gas nozzle 22.

Referring to FIGS. 4 to 6, the inflation device can be changed between a general state shown in FIG. 5 and a squeeze state shown in FIG.

In the general state, the cone head 465 formed by the inclined arms 464 of the moving valve 41 is integrally inserted in the rear insertion area 513 and pressed against the insertion ring The rear ring member portion 511 of the member 51 forces the front ring member portion 512 of the insertion ring member 51 to tightly press against the first rubber ring 53 and the rear narrow ring portion 521 of the assembly ring member 52. The front end of the thimble member 43 protrudes into the rear narrow ring portion 521 of the assembly ring member 52.

When the user squeezes the handle portion 342 of the control handle 34, the control handle 34 approaches the intake housing 33 to compress the top support elastic 35, and the top support elastic 35 stores the elastic force and drives the top The pivoting portion 341 and the moving valve member 41 move backward, so that the inflator can be changed to the gripping state.

In the squeezed state, the tapered head 465 of the moving valve member 41 is partially inserted into the rear insertion region 513 so as to only abut the rear ring member portion 511 of the insertion ring member 51, but not The rear ring part 511 is squeezed, and the front ring part 512 also does not pinch the first rubber ring 53 and the rear narrow ring part 521 of the set of ring members 52. In this squeezed state, since the first rubber ring 53 and the assembly ring 52 are not pinched, there is a margin that can be expanded and deformed, so the inflator in this state is suitable for the American air The insertion of the mouth 21 or the French gas nozzle 22 is also suitable for the user to take out the inserted American gas nozzle 21 and the French gas nozzle 22.

When the user releases the handle portion 342 without holding the control handle 34, the push-up elastic member 35 will release the elastic force and push the handle portion 342 away from the intake housing 33, and drive the The top pivoting portion 341 moves forward, pushing the moving valve member 41 forward to return the inflation device to the normal state.

6 to 8, in the gripped state, the inflation device is suitable for the American gas nozzle 21 or the French gas nozzle 22 to be inserted and used. The American gas nozzle 21 has an American gas nozzle tube 211 and an American gas nozzle needle 212 enclosed in the American gas nozzle tube 211. The French gas nozzle 22 has a French gas nozzle tube 221, a French gas nozzle needle 222 protruding out of the French gas nozzle tube 221, and a French gas nozzle needle 222 which is sleeved on the French gas nozzle needle 222 and can be opposite to the French gas nozzle needle 222 Moving nut 223.

In this squeezing state, inserting the American gas nozzle 21 or the French gas nozzle 22 and then loosening the control handle 34 without squeezing the control handle 34 can change the inflation device to an American use state as shown in FIG. 7 , And a French use state as shown in Figure 8.

In the American usage state, the American nozzle tube 211 is inserted into the front insertion area 541, and the front end of the American nozzle tube 211 is limited by the first rubber ring 53 to contact the first rubber Circle 53 front end. The front end of the thimble member 43 of the air valve unit 4 is pressed by the American air nozzle needle 212 to move slightly backward and is partially located in the first rubber ring 53. The elastic member 44 of the air valve unit 4 is pressed and compressed by the thimble member 43 moving backward, and can provide the elastic force of the thimble member 43 against the American gas nozzle needle 212 to make the American gas nozzle 21 The American gas nozzle needle 212 is in an inflatable state because it is touched.

In the French usage state, the French gas nozzle tube 221 is inserted into the front insertion area 541, the French gas nozzle needle 222 and the nut 223 protrude into the rear insertion area 513, and the thimble is inserted The member 43 presses back to compress the elastic member 44, so that the elastic member 44 provides the thimble member 43 to press the French gas nozzle needle 222, so that the French gas nozzle 22 is pressed by the French gas nozzle needle 222. In an inflatable state.

After the inflation is completed in the American usage state and the French usage state, the user can change the inflation device to the squeezing state only by squeezing the control handle 34, that is, the plug unit 5 can no longer be clamped The American gas nozzle 21 or the French gas nozzle 22 is squeezed, so that the American gas nozzle 21 or the French gas nozzle 22 can be easily removed.

Except that the thimble member 43 and the elastic member 44 can cooperate to press the American gas nozzle needle 212 and the French gas nozzle needle 222 with different triggering lengths, the plug unit 5 defines the The front plug-in area 541 and the rear plug-in area 513 also have the advantage that the American-style nozzle tube 211 and the French-style nozzle tube 221 with different thicknesses can be inserted and used. The rear insertion area 513 of the insertion unit 5 can be designed for the extension arms 461 of the moving valve member 41 to be inserted, that is, can be designed for the cone head 465 to be inserted, allowing the user to control the The degree to which the moving valve member 41 is inserted into the rear insertion area 513, and the American air nozzle 21 or the French air nozzle 22 which causes the insertion unit 5 to clamp or loosen the insertion, has easy to clamp or loosen the American air nozzle 21 Or the efficacy of the French gas nozzle 22.

Referring to FIGS. 4, 5 and 9, FIG. 9 illustrates a second embodiment of the pneumatic connector of the present invention. The second embodiment is similar to the first embodiment, except that the set of ring-connecting members 52 and the first The rubber ring 53 and the second rubber ring 54 are integrated into an integrated ring 56. The integrated ring 56 replaces the assembly ring 52, the first rubber ring 53, and the second rubber ring 54, and brings with The set of ring members 52, the first rubber ring 53, and the second rubber ring 54 have the same effect.

In summary, the effect of the inflating device of the present invention is that the elastic member 44 provides the elastic force of the American gas nozzle needle 212 that the thimble member 43 presses forward against the American gas nozzle 21, and provides the thimble member 43 The French gas nozzle needle 222 of the mouth 22 is pressed against and has a margin of backward movement, so that the inflation device can be conveniently used by the American gas nozzle 21 or the French gas nozzle 22, which solves the trouble of changing the direction of the inflation joint when inflating in the past.

The above are only examples of the present invention, which should not be used to limit the patent application scope of the present invention, and equivalent changes made according to the patent application scope and description of the description of the present invention should also be the present invention. Covered by the scope of patent application.

21‧‧‧American air nozzle

211‧‧‧American style nozzle tube

212‧‧‧American air nozzle needle

22‧‧‧French gas nozzle

221‧‧‧French nozzle tube

222‧‧‧French nozzle

223‧‧‧Nut

3‧‧‧Shell unit

31‧‧‧Inflatable shell seat

311‧‧‧Inflatable channel

32‧‧‧Front cover shell

33‧‧‧Inlet shell seat

34‧‧‧Control handle

341‧‧‧ Top pivot joint

342‧‧‧Handle

343‧‧‧Central Junction

35‧‧‧Bracket elastic

4‧‧‧Air valve unit

41‧‧‧Moving valve

42‧‧‧Airtight rubber ring

43‧‧‧ Thimble

431‧‧‧tube wall

432‧‧‧ring wall

44‧‧‧Elastic parts

45‧‧‧ Base wall group

451‧‧‧Annular groove

46‧‧‧ Wall Group

461‧‧‧Extended arm

462‧‧‧ Installation space

463‧‧‧ Arm reach

464‧‧‧Bevel arm

465‧‧‧Cone head

47‧‧‧Projection wall

48‧‧‧Column wall

5‧‧‧Plug-in unit

51‧‧‧Plug ring

511‧‧‧ Rear Ring Department

512‧‧‧Front Ring Department

513‧‧‧ Rear connection area

52‧‧‧Group ring

521‧‧‧ Rear narrow ring

522‧‧‧Front wide ring

53‧‧‧First Oak Circle

531‧‧‧middle plug-in area

54‧‧‧The second rubber circle

541‧‧‧Front plug-in area

55‧‧‧rubber washer

56‧‧‧Integrated ring

Other features and functions of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a partially cut-away cross-sectional view illustrating an existing American gas nozzle and a French gas nozzle; FIG. 2 is a A perspective view illustrating an existing inflation joint; FIG. 3 is an exploded perspective view illustrating a first embodiment of the inflation device of the present invention; FIG. 4 is an exploded perspective view illustrating an air valve unit and an air valve unit of the first embodiment Plug unit; FIG. 5 is a combined cross-sectional view illustrating that the first embodiment is in a general state; FIG. 6 is a combined cross-sectional view illustrating that the first embodiment is in a squeezed state; FIG. 7 is a combined cross-sectional view illustrating the The first embodiment is an American-style usage state for one American-style air valve plug; FIG. 8 is a combined cross-sectional view illustrating the French-style usage state for a French-style gas valve plug-in of the first embodiment; FIG. 9 is a combined cross-sectional view, A second embodiment of the inflation device of the present invention will be described.

3‧‧‧Shell unit

31‧‧‧Inflatable shell seat

311‧‧‧Inflatable channel

32‧‧‧Front cover shell

33‧‧‧Inlet shell seat

34‧‧‧Control handle

341‧‧‧ Top pivot joint

342‧‧‧Handle

343‧‧‧Central Junction

35‧‧‧Bracket elastic

4‧‧‧Air valve unit

41‧‧‧Moving valve

42‧‧‧Airtight rubber ring

43‧‧‧ Thimble

44‧‧‧Elastic parts

45‧‧‧ Base wall group

451‧‧‧Annular groove

46‧‧‧ Wall Group

461‧‧‧Extended arm

47‧‧‧Projection wall

5‧‧‧Plug-in unit

51‧‧‧Plug ring

52‧‧‧Group ring

53‧‧‧First Oak Circle

54‧‧‧The second rubber circle

55‧‧‧rubber washer

Claims (7)

An inflation device includes: a shell seat unit having an inflation shell seat defining an inflation passage extending forward and backward, an intake shell seat extending downward from the inflation shell seat and capable of supplying gas into the inflation passage, and an A control handle and a top support spring, the control handle has a top pivoting portion at the top end, and a handle portion located behind the air inlet shell seat and capable of cooperating with the air inlet shell seat for a user to grasp , And a central pivot portion connected between the top pivoting portion and the handle portion and pivotally connecting the air inlet shell seat, the top support elastic member is assembled between the air inlet shell seat and the handle portion and can provide the The elasticity of the air inlet shell seat and the handle part propped up against each other; a plug unit is provided at the front end of the inflation channel; and an air valve unit is provided at the rear end of the inflation channel and includes a A moving valve member that moves back and forth in the channel and the rear end pivotally connects to the top pivoting portion of the control handle, a thimble member disposed in the moving valve member, and a thimble member disposed in the moving valve member and capable of providing the thimble member An elastic member that moves forward and can be compressed by the thimble member that moves backward, the control handle can be operated by a user and can drive the moving valve member to move forward and backward in the inflation channel; the inflation device can The user squeezes the handle portion to compress the push-up elastic member and drives the push-up pivoting portion and the moving valve member to move backward to a squeeze state, which is changed to a state where the user releases the handle portion to make the push-up support The elastic member pushes the handle part away from the intake shell seat to drive the general state that the top pivoting part and the moving valve part move forward. The inflation device according to claim 1, wherein the moving valve member has a base wall group, and a surrounding wall group protruding forward from the base wall group, the base wall group is defined in cooperation with the surrounding wall group An installation space extending forward and backward and capable of setting the thimble member and the elastic member is provided. The inflation device according to claim 2, wherein the surrounding wall group has a plurality of extending arms arranged at angular intervals in the arc direction and extending forward from the base wall group. The inflation device according to claim 3, wherein each extending arm has an extending arm portion extending forward and backward in the axial direction, and an inclined arm portion extending obliquely from the front end of the extending arm portion toward the leading edge radially toward the axis. The inflation device according to claim 4, wherein the oblique arm portions cooperate to form a tapered head, and the plug-in unit defines a rear plug-in area which is reduced in diameter from the front to the back and capable of plugging in the tapered head . The inflation device according to claim 2, wherein the moving valve member further has a cylindrical wall protruding forward from the base wall group and located in the installation space, the cylindrical wall and the surrounding wall group radially It is spaced inside and outside and can be sleeved by the thimble member and the elastic member. The inflation device according to claim 1, wherein the plug-in unit defines a front plug-in zone penetrating forward and backward, and a front-rear penetrating hole having an inner diameter smaller than the front plug-in zone and communicating behind the front plug-in zone The middle plug-in area of the front plug-in area.

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