TWM583009U - Inflation device - Google Patents

Abstract

An inflator includes a housing unit, a docking unit, and a valve unit. The housing unit has an inflatable housing defining a front and rear extending inflation passage, an intake housing extending downward from the inflatable housing and allowing gas to flow into the inflation passage, and a pivoting inlet housing The control handle of the seat. The docking unit is disposed at a front end of the inflation passage. The gas valve unit is disposed at a rear end of the inflation passage, and includes a moving valve member that can move back and forth in the inflation passage and pivotally connect the control handle at the rear end, a ejector member disposed in the moving valve member, and a thimble member An elastic member that is disposed in the moving valve member and that can provide the elastic force of the ejector member to move forward and can be moved backward by the ejector member. The control handle can be operated by a user to drive the moving valve member to move back and forth in the inflation passage.

Description

Inflator

The present invention relates to an air pumping device, and more particularly to an inflator that can be conveniently used for an American air nozzle and a French air nozzle.

Referring to Fig. 1, in general, the American air nozzle 11 is different in structure from the French air nozzle 12. The American air nozzle 11 has an American air nozzle tube 111 having a wide outer diameter, and an American air nozzle needle 112 housed in the American air nozzle tube 111. The French air nozzle 12 has a French air nozzle tube 121 having a narrow outer diameter, a French air nozzle needle 122 protruding from the French air nozzle tube 121, and a screw sleeve on the French air nozzle needle 122 and capable of being opposite The nut 123 of the French needle 122 moves.

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

Referring to Fig. 2, a US-French inflatable joint 13 has an American joint 131 suitable for use with the US air nozzle 11, and a French joint 132 suitable for use with the French air nozzle 12. The user can insert one end of the inflation joint 13 into the inflator according to the inflation requirement, and the other end of the inflation joint 13 is used for inserting the American air nozzle 11 or the French air nozzle 12. Although the inflatable joint 13 can be used for the US air nozzle 11 or the French air nozzle 12, the user still needs to replace the insertion direction of the inflation joint 13 according to the use requirement, and there is no way for the user to directly plug in and use the convenience. Need to be further improved.

It is an object of the present invention to provide an inflator that overcomes at least one of the disadvantages of the prior art.

The inflator includes a housing unit, a docking unit, and a valve unit.

The housing unit has an inflatable housing defining a front and rear extending inflation passage, an intake housing extending downward from the inflatable housing and allowing gas to flow into the inflation passage, a control handle, and a top support Bulletwork. The control handle has a top pivoting portion at the top end, a handle portion located behind the air intake housing and configured to cooperate with the air intake housing for a user to grasp, and a connection to the top pivot portion The central joint portion of the air intake housing is pivotally connected to the handle portion. The top support member is assembled between the air intake housing and the handle portion and can provide an elastic force for supporting the air intake housing and the handle portion. The docking unit is disposed at a front end of the inflation passage. The gas valve unit is disposed at a rear end of the inflation passage, and includes a moving valve member that can move forward and backward in the inflation passage and pivotally connect the top pivoting portion of the control handle at the rear end, and is disposed in the moving valve member a ejector member, and an elastic member disposed in the moving valve member and capable of providing the ejector member to move forward and capable of being moved backward by the ejector member. The control handle can be operated by a user to drive the moving valve member to move back and forth in the inflation passage.

The function of the inflator is that the elastic member provides the elastic force of the needle needle of the ejector member forwardly against the American air nozzle, and provides the margin for the ejector member to be pressed by the nozzle needle of the French nozzle and moved backward. Therefore, the inflator can be conveniently used for the American gas nozzle or the French air nozzle to solve 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 reference numerals.

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

The housing unit 3 has an inflatable housing 31 extending forward and backward and defining an inflation passage 311, a front cover housing 32 that is disposed at the front end of the inflatable housing 31, and a lower portion extending from the inflatable housing 31. The bottom end is provided with an air inlet seat 33 assembled by a gas pipe (not shown), a control handle 34 pivotally connected to the air intake seat 33, and an assembly of the air intake housing 33 and the control handle 34. The top support member 35.

The inflation passage 311 is substantially cylindrical and extends axially forward and backward to provide air ingress and to allow air to flow therein. The inflatable housing 31 is integrally connected to the intake housing 33 in a T-shape, or substantially in the shape of a gun. The front cover housing 32 is substantially annular and can be inserted into the American air nozzle 21 or the French air nozzle 22, and is screwed on the front end of the air intake housing 33, and is disposed in front of the inflation passage 311. The intake housing 33 is tubular and allows gas to flow into the inflation passage 311 through the intake housing 33.

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

The top support member 35 is a torsion spring that is pivotally coupled to the central pivot portion 343 and abuts between the air intake housing 33 and the handle portion 342 to provide the air intake housing 33 The handle portion 342 is elastically supported by the front and rear sides.

The gas valve unit 4 is disposed at the rear end of the inflation passage 311, and includes a moving valve member 41 that can move back and forth in the inflation passage 311, a gas-tight rubber ring 42 that is sleeved on the moving valve member 41, and a setting. a thimble member 43 in the moving valve member 41, and an elastic member 44 which is disposed in the moving valve member 41 and is capable of providing the ejector member 43 which is elastically moved by the ejector member 43 and is movable 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 projecting forward from the base wall group 45, and a rearward projecting portion 45 from the base wall group 45. The protruding 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 disk-shaped, and is formed with an annular groove 451 which is located at the center in the front-rear direction and is concave inward in the radial direction of the inflation passage 311.

The perimeter wall set 46 has a plurality of extension arms 461 that are angularly spaced along the arcuate passage 311 and extend forwardly from the base wall set 45. The extension arms 461 are angularly spaced from each other and are substantially claw-shaped, and cooperate with the base wall group 45 to define an installation space 462 extending forward and backward for the thimble member 43 and the elastic member 44. Each of the extension arms 461 has an extending arm portion 463 extending forward and backward along the axial direction of the inflation passage 311, and an inclined arm portion 464 which is obliquely extended toward the axial center by the front end of the extending arm portion 463. The inclined arm portions 464 are spaced apart from each other and cooperate to form a tapered head 465 which is squashed from the rear to the front.

The protruding wall 47 is substantially finger-shaped, and the front end portion is connected to the base wall group 45 in the same body, and the rear end portion is pivotally connected to the top pivot portion 341 of the control handle 34. The columnar wall 48 is cylindrical and spaced radially inward from the extending arms 461, and can be sleeved by the ejector member 43 and the elastic member 44.

The airtight rubber ring 42 is disposed in the annular groove 451 and is deformably abutted between the base wall group 45 and the inner circumferential surface of the inflatable housing 31 to prevent gas from escaping and to generate airtight effect.

The ejector member 43 has a substantially hollow cylindrical shape and a wall 431 (see FIG. 4) into which the cylindrical wall 48 of the moving valve member 41 is inserted, and a radially outwardly facing outer peripheral surface of the tube wall 431. Projected ring wall 432 (see Figure 4). The elastic member 44 is a coil disposed on the columnar 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 passage 311, and includes a plug ring member 51 at the front end of the moving valve member 41, a set ring member 52 located in front of the plug ring member 51, and a plug-in portion a first rubber ring 53 between the insertion ring member 51 and the set of ring members 52, a second rubber ring 54 abutting between the front cover housing 32 and the set of ring members 52, and a sleeve A rubber washer 55 on the outside of the set of ring members 52.

The insertion ring member 51 has a rear ring portion 511 to which the tapered head 465 of the moving valve member 41 is inserted, and a front ring portion 512 extending forward from the rear ring portion 511. The rear ring portion 511 defines a rear docking region 513 that is squashed from the rear and can be inserted into the taper 465.

The set of ring members 52 can be inserted into the US air nozzle 21 and the French air nozzle 22, and has a small aperture and a rearward extension extending rearwardly inserted into the front ring portion 512 of the plug ring member 51. The ring portion 521 and a front wide ring portion 522 having a large inner diameter and extending forward from the rear narrow ring portion 521.

The first rubber ring 53 is located in the front ring portion 512 and is located between the rear narrow ring portion 521 and the front ring portion 512 to define a front and rear connection between the plug ring member 51 and the set of ring members 52. The middle docking area 531. The hole diameter of the middle insertion hole 531 is smaller than the outer diameter of the American air nozzle 21 but larger than the outer diameter of the French air nozzle 22, and the American air nozzle 21 cannot be inserted, but the French air nozzle 22 can be inserted.

The second rubber ring 54 is plugged in the front wide ring portion 522, between the front wide ring portion 522 and the front cover housing 32, and defines a hole connecting the rear narrow ring portion 521 and has a larger diameter than the The front plug-in area 541 of the middle plug-in area 531. The front plug-in area 541 can be used to connect the US air nozzle 21 to the French air nozzle 22.

Referring to Figures 4 through 6, the inflator can be varied between a general condition as shown in Figure 5 and a gripping state as shown in Figure 6.

In this general state, the tapered head 465 formed by the matching of the inclined arm portions 464 of the moving valve member 41 is integrally inserted into the rear insertion region 513 and is pressed against the insertion ring. The rear ring portion 511 of the member 51 forces the front ring portion 512 of the plug ring member 51 to abut against the first narrow ring portion 521 of the first rubber ring 53 and the set of ring members 52. The front end of the ejector member 43 protrudes into the rear narrow ring portion 521 of the set of ring members 52.

When the user grips the handle portion 342 of the control handle 34, the control handle 34 is brought close to the air intake housing 33 to compress the top support member 35, and the top support member 35 stores the elastic force and drives the top portion. The pivoting portion 341 moves rearward along with the moving valve member 41 to change the inflating device to the gripping state.

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

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

Referring to Figures 6 to 8, in the state of the grip, the inflator is adapted for use with the American air nozzle 21 or the French air nozzle 22. The American air nozzle 21 has an American air nozzle tube 211, and an American air nozzle needle 212 housed in the American air nozzle tube 211. The French air nozzle 22 has a French air nozzle tube 221, a French air nozzle needle 222 protruding from the French air nozzle tube 221, and a sleeve on the French air nozzle needle 222 and opposite to the French air nozzle needle 222. The moving nut 223.

In the state of the grip, the American air nozzle 21 or the French air nozzle 22 is inserted and the control handle 34 is released without holding the control handle 34, so that the inflator can be changed to an American use state as shown in FIG. And a French use state as shown in FIG.

In the American state of use, the American air nozzle tube 211 is inserted into the front plug-in area 541, and the front end of the American air nozzle tube 211 is limited by the first rubber ring 53 to abut the first rubber Circle 53 front end. The front end of the ejector member 43 of the gas valve unit 4 is slightly moved backward by the pressing of the American needle needle 212 and partially located in the first rubber ring 53. The elastic member 44 of the gas valve unit 4 is compressed by the ejector member 43 which is moved backward, and can provide the elastic force of the ejector member 43 against the American needle needle 212, so that the American air nozzle 21 can be provided. The American style needle 212 is in an inflatable state due to being pressed.

In the French use state, the French air nozzle tube 221 is inserted into the front plug-in area 541, and the French air nozzle needle 222 and the nut 223 protrude into the rear plug-in 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 ejector member 43 against the French needle 222, so that the French nozzle 22 is pressed by the French needle 222. In an inflatable state.

After the inflation state is completed in the US state of use and the French use state, the user can press the control handle 34 to change the inflating device to the holding state, that is, the plugging unit 5 can be no longer clamped. The American air nozzle 21 or the French air nozzle 22 is squeezed so that the American air nozzle 21 or the French air nozzle 22 can be easily removed.

In addition to the ejector member 43 and the elastic member 44, the inflator can press the American air nozzle needle 212 and the French air nozzle needle 222 having different trigger lengths, and the insertion unit 5 defines the The front plug-in area 541 and the rear plug-in area 513 also have the advantage that the American air nozzle tube 211 and the French air nozzle tube 221 can be used in a different size. The rear insertion area 513 of the plug-in unit 5 can be designed to be inserted into the extending arms 461 of the moving valve member 41, that is, the design of the taper head 465 can be inserted, and the user can control the The movable valve member 41 is inserted into the rear insertion portion 513 to cause the insertion unit 5 to clamp or loosen the inserted American air nozzle 21 or the French air nozzle 22, and has an easy to clamp or loosen the American air nozzle 21 Or the efficacy of the French air nozzle 22.

Referring to Figures 4, 5 and 9, Figure 9 illustrates a second embodiment of the novel inflation joint. The second embodiment is similar to the first embodiment, except that the set of ring members 52, the first The rubber ring 53 and the second rubber ring 54 are integrated into an integrated ring member 56. The integrated ring member 56 replaces the set of ring members 52, the first rubber ring 53 and the second rubber ring 54 and brings The set of ring members 52, the first rubber ring 53, and the second rubber ring 54 have the same effect.

In summary, the function of the inflator of the present invention is that the elastic member 44 provides the elastic force of the ejector member 43 which abuts the American air nozzle 21 of the American air nozzle 21 forward, and provides the ejector member 43 by the French gas. The French air nozzle needle 222 of the mouth 22 is pressed against and moved backward, so that the inflator can be conveniently used for the American air nozzle 21 or the French air nozzle 22, thereby solving the trouble of changing the direction of the inflation joint in the past inflation.

The above is only the embodiment of the present invention, and the scope of the patent application of the present invention cannot be limited thereto, and the equivalent variation of the scope of the patent application and the description of the specification should also be the novel Covered by the scope of patent application.

21‧‧‧American gas nozzle

211‧‧‧American air nozzle tube

212‧‧‧American needle needle

22‧‧‧French nozzle

221‧‧‧ French air nozzle tube

222‧‧‧French needle needle

223‧‧‧ nuts

3‧‧‧ housing unit

31‧‧‧Inflatable housing

311‧‧‧Inflatable channel

32‧‧‧Front cover

33‧‧‧Intake housing

34‧‧‧Control handle

341‧‧‧Top pivoting

342‧‧‧Hands

343‧‧‧Central Connection

35‧‧‧Top support

4‧‧‧ gas valve unit

41‧‧‧Moving valve parts

42‧‧‧Airtight rubber ring

43‧‧‧ thimble parts

431‧‧‧ wall

432‧‧‧

44‧‧‧Flexible parts

45‧‧‧Foundation

451‧‧‧ annular groove

46‧‧‧Wall group

461‧‧‧Extension arm

462‧‧‧Set space

463‧‧‧ Arms

464‧‧‧ oblique arm

465‧‧‧ cone head

47‧‧‧ protruding wall

48‧‧‧ columnar wall

5‧‧‧Docking unit

51‧‧‧Plug ring

511‧‧‧After the ring department

512‧‧‧ Front ring department

513‧‧‧After docking area

52‧‧‧Group ring parts

521‧‧‧After the narrow ring

522‧‧‧ Front wide ring

53‧‧‧First rubber ring

531‧‧‧中插接区

54‧‧‧Second rubber ring

541‧‧‧ Front docking area

55‧‧‧Rubber washers

56‧‧‧Integrated ring

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a partially cutaway cross-sectional view showing a conventional American air nozzle and a French air nozzle; 3 is an exploded perspective view showing a first embodiment of the inflator of the present invention; and FIG. 4 is an exploded perspective view showing a gas valve unit and a first embodiment of the present invention; Figure 5 is a combined cross-sectional view showing the first embodiment in a general state; Figure 6 is a combined cross-sectional view showing the first embodiment in a gripping state; Figure 7 is a combined sectional view showing the The first embodiment provides an American use state for an American air nozzle insertion; FIG. 8 is a combined sectional view showing the French use state of the first embodiment for a French air nozzle insertion; FIG. 9 is a combined sectional view. A second embodiment of the novel inflator is described.

Claims (7)

An inflator comprising: a housing unit having an inflatable housing defining an inflated passage extending forward and backward, an intake housing extending downwardly from the inflatable housing and allowing gas to flow into the inflation passage, and a housing a control handle, and a top support member, the control handle has a top pivoting portion at the top end, and a handle portion located behind the air intake housing to cooperate with the air intake housing for a user to grasp And a central joint portion connected between the top pivoting portion and the handle portion and pivotally connecting the air intake housing, the top elastic member being assembled between the air intake housing and the handle portion and capable of providing An elastic force of the air intake seat seat and the handle portion thereof; a plug-in unit disposed at a front end of the air-filling passage; and a valve unit disposed at a rear end of the air-filling passage and including a gas inflatable body a moving valve member that moves back and forth in the passage and that is pivotally connected to the top pivoting portion of the control handle, a ejector member disposed in the moving valve member, and a thimble member disposed in the moving valve member and capable of providing the ejector member Go forward The thimble member compressed elastic force of the movable member and that can be moved backward, the control knob can be operated by the user can drive the movable valve member moves back and forth in the pneumatic passage. The inflator of claim 1, wherein the moving valve member has a base wall group and a surrounding wall group projecting forwardly from the base wall group, the base wall group being cooperatively defined with the surrounding wall group An installation space extending forward and backward and capable of providing the ejector pin and the elastic member is provided. The inflator of claim 2, wherein the wall group has a plurality of extension arms arranged at angular intervals in the arc and extending forwardly from the base wall group. The inflator of claim 3, wherein each of the extension arms has an arm portion extending forward and backward in the axial direction, and an inclined arm portion which is obliquely extended toward the axis by the front end of the arm portion. The inflator of claim 4, wherein the inclined arm portions cooperate to form a tapered head, and the plugging unit defines a rear plug-in region which is squashed from the rear and can be inserted into the taper . The inflator of claim 2, wherein the moving valve member further has a cylindrical wall projecting forwardly from the base wall group in the installation space, the cylindrical wall and the radial wall group The inner and outer portions are spaced apart and can be provided for the ejector member and the elastic member. The inflator of claim 1, wherein the plug-in unit defines a front-rearing front plug-in area, and a front-to-back through-hole having an inner diameter smaller than the front plug-in area and located behind the front plug-in area The middle docking area of the front plug-in area.