A gas filling and discharging valve for a pump and a gas storage pump

Abstract

The utility model relates to the technical field of inflating equipment, concretely to a kind of inflating and deflating valve for inflator and gas storage inflator, inflating and deflating valve for inflator includes valve seat, and the valve seat is integrally provided with the valve door pipeline of left-right direction transverse, and valve seat and valve door pipeline form T-shaped structure, and valve rod is movably inserted in valve door pipeline, and four annular sealing grooves are linearly arranged on the middle part of the outer side of valve rod from left to right, and sealing ring is respectively arranged in four annular sealing grooves, and four annular sealings from left to right will form the middle part of the outer side of valve rod sequentially separated to form deflation part, inflation part and closed part, and deflation part is provided with the deflation hole of T-shaped of upper and lower opening and front end opening, and the beneficial effect is: by handle push-pull valve rod in the push-pull movement of valve door pipeline, car tire inflation, gas cylinder inflation and the quick switching of plugging closure can be conveniently and quickly realized, and it is not necessary to realize multiple valve opening and closing operation, and it is simple and direct to operate, which brings convenience for users.

Description

Technical Field

[0001] This utility model relates to the field of inflation equipment technology, specifically to an inflation / deflation valve for an air pump and an air pump with a storage capacity. Background Technology

[0002] Tubeless tires, also known as low-pressure tires or pneumatic tires, have high elasticity and wear resistance, as well as good adhesion and heat dissipation performance. They are increasingly used on bicycles, motorcycles, cars, buses, and trucks.

[0003] When electric vehicles or bicycles use tubeless tires, a leak can cause problems. Because there's a gap between the tubeless tire and the rim, a regular air pump can't keep up with the rate of air loss, resulting in the tire not inflating properly. Many consumers try to fix this by going to a repair shop to have an air pump inflated or by adding an inner tube. However, going to a repair shop is time-consuming and physically demanding, and adding an inner tube negates the advantages of tubeless tires and is also more expensive.

[0004] In the prior art, the utility model patent with application number 202220790876.0 has a relatively complex internal valve structure, which is not convenient for quick switching between tire inflation, air cylinder inflation and sealing closure. It requires multiple valve opening and closing operations, which is cumbersome and has an adverse impact on the user. Therefore, an inflation / deflation valve for an air pump and an air pump with air storage are proposed to solve the above problems. Utility Model Content

[0005] To overcome the technical deficiencies in the prior art and effectively solve the technical problems in the background art, this utility model provides the following technical solution:

[0006] An air pump inflation / deflation valve includes a valve seat. A transverse valve pipe is integrally formed on the valve seat, creating a T-shape. A valve stem is movably inserted into the valve pipe. Four annular sealing grooves are linearly arranged from left to right along the outer side of the valve stem. Each of the four annular sealing grooves contains a sealing ring. These four annular seals sequentially divide the outer side of the valve stem into a deflation section, an inflation section, and a closure section. The deflation section has a T-shaped vent hole with openings at the top and bottom and at the front. The inflation section has an inflation hole with openings at the front and back. A connector connecting the valve seat to the vertical channel of the vent hole is located at the top of the valve seat. An exhaust pipe (first type) is located at the center of the bottom of the valve seat, connecting the valve pipe and the connector. This exhaust pipe is connected to the vertical end of the vent hole. An exhaust pipe (second type) is located at the front of the bottom of the valve seat, connecting the valve pipe and the connector. This exhaust pipe is connected to the horizontal front end of both the vent hole and the inflation hole.

[0007] As a preferred embodiment of this utility model, springs are evenly distributed along the circumferential direction between the annular sealing groove and the sealing ring.

[0008] As a preferred embodiment of this utility model, a limiting ring groove is provided at the right end of the outer side of the valve stem for limiting the movement of the closing part to stop the inflation / deflation operation. The outer side of the valve stem is provided with scale lines at the left side of the deflation part and the right side of the closing part for limiting the movement of the inflation part to connect the inflation operation. A handle is integrally provided at the left end of the valve stem, and a limiting ring is provided at the right side of the handle at the left end of the outer side of the valve stem for limiting the movement of the deflation part to connect the deflation operation.

[0009] As a preferred embodiment of this utility model, a slip ring is provided on the front side of the valve seat, and a sliding rod is provided on the outer side of the limiting ring, which is slidably connected to the slip ring and serves to limit and guide the movement of the valve stem in the valve pipeline.

[0010] As a preferred technical solution of this utility model, the rear side of the valve seat is provided with an inflation connector that communicates with the valve pipeline and can be correspondingly communicated with the inflation port and the exhaust pipeline. A one-way air inlet valve is correspondingly provided on the inflation connector.

[0011] An air pump includes a base. From back to front, the rear end of the upper surface of the base has a first insert and a second insert, respectively, for insertion into an exhaust pipe and an exhaust pipe. From front to back, the front end of the upper surface of the base has a first fixing groove and a second fixing groove. The bottom of the first fixing groove and the second fixing groove have an exhaust hole and an exhaust hole, respectively. A connecting pipe (first) for connecting the first insert and the first exhaust hole, and a connecting pipe (second) for connecting the second insert and the second exhaust hole, are respectively disposed in the cavity at the bottom of the base. An air pump assembly and an air pump are fixedly installed in the first fixing groove and the second fixing groove, respectively. The air pump assembly and the air pump are respectively connected to the first exhaust hole and the second exhaust hole.

[0012] As a preferred embodiment of this utility model, it also includes an air pump tube, the bottom end of which is fixedly connected to the connector.

[0013] As a preferred embodiment of this utility model, the upper surface of the gas storage cylinder is provided with a pressure gauge communicating with its inner cavity.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By pushing and pulling the valve stem within the valve pipeline, the tire inflation, air tank inflation, and sealing closure can be quickly and easily switched without the need for multiple valve opening and closing operations. The operation is simple and direct, bringing convenience to the user.

[0016] Specifically, when the valve stem moves to the left edge of the limiting ring groove on the right side of the valve stem and aligns with the right edge of the valve pipe, the closing part aligns with the vent hole on the upper side of the connector and the valve pipe to seal and close.

[0017] When the valve stem moves to the outside of the valve stem and the scale lines on the left side of the venting section and the right side of the closing section are aligned with the left and right sides of the valve pipe respectively, the transverse inflation hole of the inflation section is aligned and connected with the inflation connector and the exhaust pipe. At this time, the inflation connector is connected to the external electric air pump, or the exhaust connector on the outside of the air pump of the inflation connector is connected through the detachable air pump pipe to inflate the air tank.

[0018] When the valve stem moves to the left end of the valve stem and the limiting ring is aligned with the left side of the valve pipe, the vertical end and the horizontal front end of the vent hole of the venting part are aligned with the first and second exhaust pipes, respectively. At this time, the air tank and the air pump assembly can simultaneously inflate the tire through the air pumping pipe connected to the tire inflation head.

[0019] 2. The sliding of the slide rod within the slip ring limits and guides the movement of the valve stem 3 within the valve pipeline 2.

[0020] 3. The springs and sealing rings in the four annular sealing grooves play an auxiliary role in sealing and preventing air leakage when the valve stem moves and switches. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the gas filling and discharging valve of this utility model.

[0022] Figure 2 This is a side view of the valve stem of this utility model.

[0023] Figure 3 This is a partial side view of the valve stem of this utility model.

[0024] Figure 4 This is a cross-sectional view of the vent hole on the valve stem of this utility model.

[0025] Figure 5 This is a cross-sectional view of the valve stem inflation hole of this utility model.

[0026] Figure 6 This is a schematic diagram showing the disassembled structure of the valve seat and connector of this utility model.

[0027] Figure 7 This is a bottom view of the valve seat structure of this utility model.

[0028] Figure 8 This is a cross-sectional view of the valve seat of this utility model.

[0029] Figure 9This is a schematic diagram of the structure of the air storage and pumping cylinder of this utility model.

[0030] Figure 10 This is a schematic diagram of the inflation / deflation valve and base of this utility model.

[0031] Figure 11 This is a schematic diagram of the structure of the base of this utility model.

[0032] Figure 12 This is a bottom view of the base of this utility model.

[0033] In the diagram: 1. Valve seat; 2. Valve pipe; 3. Valve stem; 4. Annular sealing groove; 5. Venting part; 6. Inflating part; 7. Closing part; 8. Spring; 9. Sealing ring; 10. Limiting ring groove; 11. Guide slope; 12. Limiting ring; 13. Handle; 14. Venting hole; 15. Inflating hole; 16. Connecting part; 17. Connecting groove; 18. Connecting head; 19. Connecting seat; 20. Connecting column; 21. Sealing ring II; 22. Slip ring; 22. Fixing block; 23. Sliding rod; 24. External thread; 25. Nut; 26. Flange; 27. Inflating connector; 28. One-way air inlet valve; 29. ​​Exhaust pipe I; 30. Exhaust pipe II; 31. Base; 32. Pedal; 33. Fixing groove I; 34. Fixing groove II; 35. Exhaust hole I; 36. Exhaust hole II; 37. Insertion tube I; 38. Insertion tube II; 39. Connecting tube I; 40. Connecting tube II; 41. Air pumping pipe; 42. Air pumping assembly; 43. Air tank; 44. Pressure gauge; 45. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see Figure 1-12This utility model provides a technical solution: an air pump inflation / deflation valve, including a valve seat 1, on which a horizontal valve pipe 2 is integrally formed in the left-right direction. The valve seat 1 and the valve pipe 2 form a T-shaped structure. A valve stem 3 is movably inserted into the valve pipe 2. Four annular sealing grooves 4 are linearly arranged at equal intervals from left to right on the middle of the outer side of the valve stem 3. Each of the four annular sealing grooves 4 is provided with a rubber sealing ring 9 for elastic sealing and preventing air leakage. The four annular seals, from left to right, sequentially divide the middle of the outer side of the valve stem 3 into an air release part 5, an inflation part 6, and a closing part 7. The air release part 5 has a T-shaped air release hole 14 with openings at the top and bottom and at the front end. The inflation part 6 has an inflation hole 15 with openings at the front and back. The top of the valve seat 1 is provided with a connecting air release hole 14. The vertical channel connector 18, specifically, has a connecting part 16 integrally provided at the top of the valve seat 1, a connecting groove 17 opened on the upper surface of the connecting part 16, a connecting seat 19 provided at the bottom of the connector 18, a connecting post 20 for movable insertion at the bottom of the connecting seat 19, and a second rubber sealing ring 21 for elastic sealing and preventing air leakage is correspondingly provided in the annular groove on the outer side of the connecting post 20. An exhaust pipe 30 connected to the valve pipe 2 and the connector 18 is opened at the center of the bottom of the valve seat 1. The exhaust pipe 30 can be connected to the vertical end of the vent hole 14. An exhaust pipe 31 connected to the valve pipe 2 and the connector 18 is opened at the front side of the bottom of the valve seat 1. The exhaust pipe 31 can be connected to the horizontal front end of the vent hole 14 and the horizontal front end of the inflation hole 15.

[0036] Furthermore, such as Figure 3 As shown, springs 8 for assisting elastic compression sealing are evenly distributed along the circumference between the annular sealing groove 4 and the sealing ring 9.

[0037] Furthermore, such as Figure 3 As shown, a limiting ring groove 10 is provided on the right end of the outer side of the valve stem 3 to limit the movement of the closing part 7 to stop the inflation / deflation operation. A guide slope 11 is provided on the right edge of the valve stem 3 to help the valve stem 3 be more easily inserted into the valve pipe 2. Scale lines are provided on the outer side of the valve stem 3 at the left side of the deflation part 5 and the right side of the closing part 7 to limit the movement of the inflation part 6 to connect the inflation operation. A handle 13 is integrally provided on the left end of the valve stem 3. A limiting ring 12 is integrally provided on the right side of the handle 13 at the left end of the outer side of the valve stem 3 to limit the movement of the deflation part 5 to connect the deflation operation.

[0038] Furthermore, such as Figure 1As shown, a slip ring 22 is provided on the front side of the valve seat 1. A sliding rod 24 is provided on the outer side of the limiting ring 12 via a fixing block 23. The right end of the sliding rod 24 is slidably connected to the slip ring 22 and is used to limit and guide the movement of the valve stem 3 in the valve pipeline 2. Specifically, the sliding rod 24 has an external thread 25 on the outer side of the right end of the slip ring 22. A nut 26 with an inner diameter smaller than the inner diameter of the slip ring 22 is threaded to the external thread 25 of the sliding rod 24 for limiting and preventing dislodgement.

[0039] Furthermore, such as Figure 7 and 8 As shown, the rear side of the valve seat 1 is provided with an inflation connector 28 that communicates with the valve pipe 2 and can communicate with the inflation port 15 and the exhaust pipe 31 respectively. A one-way air inlet valve 29 is provided on the inflation connector 28.

[0040] A type of air pump, such as Figure 9-12 As shown, the device includes a base 32. From back to front, the rear end of the upper surface of the base 32 is provided with a first insertion tube 38 and a second insertion tube 39 for corresponding insertion into exhaust pipe 30 and exhaust pipe 31, respectively. From front to back, the front end of the upper surface of the base 32 is provided with a first fixing groove 34 and a second fixing groove 35. The bottom of the first fixing groove 34 and the second fixing groove 35 are respectively provided with an exhaust hole 36 and an exhaust hole 37. The cavity at the bottom of the base 32 is provided with a device for connecting the first insertion tube 38 and the exhaust pipe 39. The connecting pipe 40 of hole 36 and the connecting pipe 41 for connecting the insertion pipe 39 and the exhaust hole 37 are fixedly installed in the fixing groove 34 and the fixing groove 35 respectively. Specifically, the air pumping component 43 is a manual air pumping device composed of an air pump, an air pumping piston, an air pumping handle, etc. The bottom of the outer side of the air pump is connected to an exhaust connector with a valve. The air pumping component 43 and the air storage cylinder 44 are connected to the exhaust hole 36 and the exhaust hole 37 respectively.

[0041] Furthermore, such as Figure 6 As shown, a flange 27 is integrally provided on the outer side of the bottom end of the valve seat 1. After the exhaust pipe 1 30 and exhaust pipe 2 31 are inserted into the corresponding insertion pipe 1 38 and insertion pipe 2 39, the valve seat 1 and the charging / discharging valve are fixed to the rear end of the upper surface of the base 32 by the flange 27 and fixing bolts.

[0042] Furthermore, such as Figure 9 As shown, it also includes an air pump hose 42. The bottom end of the air pump hose 42 is fixedly connected to the connector 18. In use, the air pump hose 42 facilitates connection for air pumping. Specifically, the two ends of the air pump hose 42 can be connected to the connector 18 and the inflation head of the tire that needs to be inflated, respectively, to inflate the tire. Alternatively, the exhaust connector with a valve at the bottom of the outer side of the air pump can be connected to the inflation connector 28 of the corresponding one-way air intake valve 29 to inflate the air tank 44.

[0043] Furthermore, such as Figure 9 As shown, a pressure gauge 45 is provided on the upper surface of the air storage cylinder 44 and communicates with its inner cavity. The pressure gauge 45 measures and displays the air pressure inside the air storage cylinder 44.

[0044] Furthermore, such as Figure 9 As shown, the front side of the base 32 is hinged to a foot pedal 33 via a hinge, which facilitates foot pedal fixation and inflation.

[0045] When using:

[0046] By pushing and pulling the valve rod 3 within the valve pipe 2 using the handle 13, the rapid switching between tire inflation, air tank 44 inflation, and sealing closure can be achieved conveniently and quickly.

[0047] Specifically, when the valve stem 3 moves to the left edge of the limiting ring groove 10 on the right side of the valve stem 3 and aligns with the right edge of the valve pipe 2, the closing part 7 aligns with the connector 18 and the vent hole on the upper side of the valve pipe 2, and cooperates with the sealing rings 9 on both sides of the closing part 7 to seal and close.

[0048] When the valve stem 3 moves to the outside of the valve stem 3 and the scale lines on the left side of the venting part 5 and the right side of the closing part 7 are aligned with the left and right side edges of the valve pipe 2 respectively, the horizontal inflation hole 15 of the inflation part 6 is aligned and connected with the inflation connector 28 and the exhaust pipe 31. At this time, the inflation connector 28 is connected to the external electric air pump, or the exhaust connector on the outside of the air pump of the inflation connector 28 is connected through the detachable air pump pipe 42 to inflate the air storage cylinder 44.

[0049] When the valve stem 3 moves to the left end of the valve stem 3 and the limiting ring 12 is aligned with the left side of the valve pipe 2, the vertical end and the horizontal front end of the vent hole 14 of the venting part 5 are aligned with the first vent pipe 30 and the second vent pipe 31, respectively. At this time, the air pumping pipe 42 connected to the tire inflation head can realize the synchronous inflation of the tire by the air storage cylinder 44 and the air pumping component 43.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air pump inflation / deflation valve, comprising a valve seat (1), characterized in that: The valve seat (1) is integrally provided with a horizontal valve pipe (2) in the left-right direction. The valve seat (1) and the valve pipe (2) form a T-shaped structure. A valve stem (3) is movably inserted into the valve pipe (2). Four annular sealing grooves (4) are linearly arranged from left to right on the middle of the outer side of the valve stem (3). Sealing rings (9) are respectively provided in the four annular sealing grooves (4). The four annular seals divide the middle of the outer side of the valve stem (3) from left to right into a venting part (5), a filling part (6), and a closing part (7). The venting part (5) is provided with a T-shaped vent hole (14) with openings at the top and bottom and at the front end. The gas section (6) has an air inlet (15) with front and rear openings. The top of the valve seat (1) is provided with a connector (18) that connects to the vertical channel of the vent hole (14). The center of the bottom of the valve seat (1) is provided with an exhaust pipe (30) that connects the valve pipe (2) and the connector (18) in sequence. The exhaust pipe (30) can be connected to the vertical end of the vent hole (14). The front side of the bottom of the valve seat (1) is provided with an exhaust pipe (31) that connects the valve pipe (2) and the connector (18) in sequence. The exhaust pipe (31) can be connected to the horizontal front end of the vent hole (14) and the horizontal front end of the air inlet (15).

2. The air pump inflation / deflation valve according to claim 1, characterized in that: Springs (8) are evenly distributed along the circumference between the annular sealing groove (4) and the sealing ring (9).

3. The air pump inflation / deflation valve according to claim 1, characterized in that: The valve stem (3) has a limiting ring groove (10) on the right side of its outer side for limiting the movement of the closing part (7) to stop the inflation / deflation operation. The valve stem (3) has scale lines on the left side of the deflation part (5) and the right side of the closing part (7) for limiting the movement of the inflation part (6) to connect the inflation operation. The valve stem (3) has a handle (13) integrally provided on the left side of its left side. The handle (13) has a limiting ring (12) on the right side of its left side of its outer side for limiting the movement of the deflation part (5) to connect the deflation operation.

4. The air pump inflation / deflation valve according to claim 3, characterized in that: A slip ring (22) is provided on the front side of the valve seat (1), and a slide rod (24) is provided on the outer side of the limiting ring (12) to slide and guide the movement of the valve stem (3) in the valve pipe (2).

5. The air pump inflation / deflation valve according to claim 1, characterized in that: The valve seat (1) is provided with an inflation connector (28) on the rear side, which is connected to the valve pipe (2) and can be connected to the inflation hole (15) and the second exhaust pipe (31). A one-way air inlet valve (29) is provided on the inflation connector (28).

6. An air pump with an air filling / deleting valve according to any one of claims 1-5, comprising a base (32), characterized in that: The upper surface of the base (32) has, from back to front, a first insertion tube (38) and a second insertion tube (39) for corresponding insertion into the first exhaust pipe (30) and the second exhaust pipe (31), respectively. The upper surface of the base (32) has, from front to back, a first fixing groove (34) and a second fixing groove (35), respectively. The bottom of the first fixing groove (34) and the second fixing groove (35) are respectively provided with an exhaust hole (36) and an exhaust hole (37). 32) The bottom cavity is provided with a connecting pipe 1 (40) for connecting the insertion tube 1 (38) and the exhaust port 1 (36), and a connecting pipe 2 (41) for connecting the insertion tube 2 (39) and the exhaust port 2 (37). The fixing slot 1 (34) and the fixing slot 2 (35) are respectively fixedly installed with an air pumping component (43) and an air storage cylinder (44). The air pumping component (43) and the air storage cylinder (44) are respectively connected to the exhaust port 1 (36) and the exhaust port 2 (37).

7. The air pump according to claim 6, characterized in that: It also includes an air pump tube (42), the bottom end of which is fixedly connected to the connector (18).

8. The air pump according to claim 6, characterized in that: The upper surface of the gas storage cylinder (44) is provided with a pressure gauge (45) that communicates with its inner cavity.

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