CN219866448U - Split type one-way valve for air pump - Google Patents

Abstract

The utility model discloses a split type one-way valve for an air pump, and belongs to the field of split type one-way valves. This split type check valve for air pump includes: the fixed connecting piece is fixedly connected with the product to be inflated, and a fixed connecting through hole is arranged at the central axis of the fixed connecting piece in a penetrating way; and the unidirectional opening assembly is arranged in the fixed connection through hole, and the opening direction can only be opened from the movable connecting piece to the fixed connecting piece. Through the setting of this kind of split type check valve, can facilitate the use person use an aerating device, for example use same kind of air pump to realize inflating to multiple different products, guarantee to inflate quick going on, reset spring's setting simultaneously can guarantee that the check valve piece is sealed with fixed connection through-hole all the time, avoids gas leakage.

Description

Split type one-way valve for air pump

Technical Field

The utility model relates to the field of inflation valves, in particular to a split type one-way valve for an air pump.

Background

Along with the improvement of living standard, people generally build a tent to serve as a temporary rest place in daily life or outdoor travel, and in order to improve the convenience of assembly, an inflatable tent is generally used, and meanwhile, travelers can use portable articles such as an inflatable mattress and an inflatable sofa, so that the comfort of the people in travel is improved.

However, these products have a key problem in use in terms of inflation and deflation and sealability during use, while also ensuring rapid inflation and deflation. In the current product, directly use the valve body to connect, this kind of valve body only can guarantee to fill the quick go on of gassing, and its leakproofness is very poor, hardly guarantees the stability of long-time use.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a split type one-way valve for an air pump.

The technical scheme of the utility model is as follows: a split check valve for an air pump, comprising:

the fixed connecting piece is fixedly connected with the product to be inflated, and a fixed connecting through hole is formed in the central axis of the fixed connecting piece in a penetrating manner; and

the unidirectional opening assembly disposed in the fixed connection through hole includes:

the one-way valve rod is positioned in the fixed connection through hole;

the reset spring is sleeved outside the one-way valve rod, the lower end of the reset spring is abutted against the one-way valve rod, and the upper end of the reset spring is abutted against the inner wall of the fixed connection through hole; and

the one-way valve plate is arranged at the upper end of the one-way valve rod, and is positioned at the outer side of the fixed connection through hole and can cover the fixed connection through hole.

Further, the fixed connection piece is communicated with the air charging device through the movable connection piece, the movable connection piece is clamped with the fixed connection piece through the clamping assembly, the movable connection through hole is arranged at the central axis of the movable connection piece in a penetrating mode, and the movable connection through hole is communicated with the fixed connection through hole after the movable connection through hole and the fixed connection through hole are connected.

Further, a limiting convex ring protruding towards the central shaft is arranged on the inner wall of the fixed connection through hole, and the lower end of the limiting convex ring abuts against the upper end of the reset spring. Through the setting of spacing bulge loop, can guarantee the setting of one-way subassembly of opening.

Further, the lower end of the one-way valve rod is provided with a limiting snap ring towards the circumferential direction, the limiting snap ring is propped against the lower end of the reset spring, and the upper end of the one-way valve rod penetrates through the inner hole of the limiting convex ring and exposes the upper side of the limiting convex ring. The stable arrangement of the one-way valve rod is ensured.

Further, the upper end of the one-way valve rod is provided with a T-shaped connector, and the one-way valve plate is provided with a T-shaped connecting groove matched with the T-shaped connector. Namely, the connection between the one-way valve rod and the one-way valve plate is realized.

Further, the one-way valve plate is made of rubber, the center of the one-way valve plate is a connecting portion, a T-shaped connecting groove is formed in the connecting portion, the size of the connecting portion is larger than the size of an opening at the upper end of the fixed connecting through hole, and a circular sealing piece is arranged in the circumferential direction of the connecting portion in an outward extending mode. Namely, the sealing performance of the upper end of the fixed connection through hole is realized through the arrangement of the round sealing piece.

Further, a sealing inclined plane is arranged at the upper end of the fixed connection through hole, and the sealing inclined plane is inclined inwards from top to bottom. Namely, the sealing effect of the circular sealing piece is ensured.

Further, an outer connecting ring is further arranged on the outer side of the fixed connecting piece, an outer connecting piece is arranged on the outer connecting ring towards the circumferential direction, and the outer connecting ring and the outer connecting piece are integrally formed. The outer connecting ring and the outer connecting sheet are arranged, so that the stability in connection is ensured.

Further, the clamping assembly includes:

an upper connecting hook protruding to the outer side of the circumference of the fixed connecting piece; and

the lower connecting hook is arranged on the movable connecting piece, and is positioned in the circumferential direction of the movable connecting piece and can be in dislocation clamping with the upper connecting hook. Namely, the connection of the two hooks is realized through hooks which are arranged in one-to-one correspondence up and down. The upper connecting hook and the lower connecting hook are arranged in an L shape and are in staggered clamping configuration; the small-sized protrusions are further arranged at the connection positions of the hooks, so that the protrusions can be clearly perceived to be in dislocation clamping when the hooks are connected, and the hooks are guaranteed to be connected in place.

Further, two upper connecting hooks are arranged, and two lower connecting hooks are also arranged. The stability of the connection process is ensured.

Further, the movable connecting piece comprises: the middle part of the movable connecting ring is provided with a movable connecting through hole; the upper end of the movable connecting ring is integrally provided with a lower connecting hook.

Further, annular sealing gaskets are respectively arranged on the upper end face and the lower end face of the movable connecting ring. The annular sealing gasket arranged on the upper end face is sealed with the fixed connecting piece; the annular sealing piece arranged on the lower end face is in sealing connection with the air charging device.

Further, an annular mounting groove is formed in the upper end face of the movable connecting ring, and an annular sealing gasket is arranged in the annular mounting groove to ensure the installation of the annular sealing gasket.

Furthermore, an annular sealing convex ring is arranged on the lower end face of the movable connecting ring, the annular sealing convex ring can press the annular sealing gasket and the air charging device, and the movable connecting ring and the air charging device are fixedly connected for a long time, so that the connection mode is more reliable.

Further, an internal thread is arranged at the movable connecting through hole of the movable connecting piece and is in threaded connection with the inflating device through the internal thread. The outer side of the charging port of the charging device is provided with external threads, and the communication is realized through the matching of the external threads and the internal threads. And an internal thread is arranged in the fixed connection through hole and is connected with the air charging device.

Further, the air charging device is any one of an air pump, an air bag and an inflator. Generally, an air pump is used as an air charging device, and various specifications of large-sized, medium-sized, small-sized and the like are available in the market at present, so that outdoor fans can conveniently select the air pump according to actual needs of the outdoor fans, and more small-sized air pumps are purchased and used in more times.

The beneficial technical effects of the utility model are as follows: through the arrangement of the split type one-way valve, a user can conveniently use an air charging device, for example, the same air pump is used for charging a plurality of different products, the quick charging is ensured, meanwhile, the arrangement of the return spring can ensure that the one-way valve plate always seals the fixed connection through hole, air leakage is avoided, and the one-way valve can be opened for charging under the action of air pressure when the air charging device is used for charging; when in deflation, the one-way valve rod is pressed to realize deflation, so that the convenience of inflation and deflation is ensured, and the use effect is ensured.

Drawings

Fig. 1 is a schematic perspective view of a split check valve for an air pump.

Fig. 2 is a cross-sectional view of the split check valve.

Fig. 3 is a schematic diagram of the perspective view corresponding to fig. 2.

Fig. 4 is a schematic view of an articulating piece.

Fig. 5 is a schematic view of another view of the articulating member.

Fig. 6 is a schematic view of a fixed connection.

Fig. 7 is a cross-sectional view of the stationary connector.

Fig. 8 is a schematic diagram of a combination of a check valve body and a return spring.

Fig. 9 is a schematic structural view of a second check valve.

Fig. 10 is a schematic view of a second check valve.

In the figure:

1. a fixed connecting piece 11, a fixed connecting through hole 12, a limiting convex ring 13 and a sealing inclined plane,

2. a movable connecting piece 21, a movable connecting through hole 22 and a movable connecting ring,

3. a clamping component 31, an upper connecting hook 32 and a lower connecting hook,

4. one-way opening component 41, one-way valve rod 411, limit snap ring 412, T-shaped connector 42, reset spring 43, one-way valve plate 431, T-shaped connecting groove 432, circular sealing piece,

5. the air-charging device is provided with an air-charging device,

6. an outer connecting ring is arranged on the outer connecting ring,

7. an outer connecting sheet is arranged on the outer connecting sheet,

8. an annular gasket.

Detailed Description

In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.

Referring to fig. 1-8, a split check valve for an air pump according to this embodiment includes:

the device comprises a fixed connecting piece 1, wherein the fixed connecting piece 1 is fixedly connected with a product to be inflated, and a fixed connecting through hole 11 is arranged at the central axis of the fixed connecting piece 1 in a penetrating way;

the movable connecting piece 2 is connected with the inflatable device 5, the movable connecting piece 2 and the fixed connecting piece 1 are clamped through the clamping assembly 3, a movable connecting through hole 21 is arranged at the central axis of the movable connecting piece 2 in a penetrating way, and the movable connecting through hole 21 is communicated with the fixed connecting through hole 11 after the movable connecting piece 2 and the fixed connecting through hole are connected; and

the one-way opening assembly 4 provided in the fixed connection through hole 11 includes:

the one-way valve rod 41, the one-way valve rod 41 is located in the fixed connection through hole 11;

a return spring 42, wherein the return spring 42 is sleeved outside the unidirectional valve rod 41, the lower end of the return spring 42 is abutted against the unidirectional valve rod 41, and the upper end of the return spring is abutted against the inner wall of the fixed connection through hole 11; and

the check valve plate 43, the check valve plate 43 sets up in the upper end of check valve rod 41, and the check valve plate 43 is located the fixed connection through-hole 11 outside and can cover the fixed connection through-hole 11.

Further, a limiting convex ring 12 protruding toward the central axis is provided on the inner wall of the fixed connection through hole 11, and the lower end of the limiting convex ring 12 abuts against the upper end of the return spring 42. By the arrangement of the limiting convex ring 12, the arrangement of the unidirectional opening assembly 4 can be ensured.

Further, a limit snap ring 411 is disposed at the lower end of the unidirectional valve rod 41 towards the circumferential direction, the limit snap ring 411 abuts against the lower end of the return spring 42, and the upper end of the unidirectional valve rod 41 passes through the inner hole of the limit convex ring 12 and exposes the upper side of the limit convex ring 12. I.e. a stable setting of the unidirectional valve stem 41 is ensured.

Further, a T-shaped connector 412 is provided at the upper end of the check valve rod 41, and a T-shaped connection groove 431 is provided on the check valve plate 43 to be engaged with the T-shaped connector 412. I.e. the connection of the non-return valve stem 41 and the non-return valve plate 43 is achieved.

Further, the one-way valve plate 43 is made of rubber, the center of the one-way valve plate 43 is a connecting portion, a T-shaped connecting groove 431 is formed in the connecting portion, the size of the connecting portion is larger than the size of an upper end opening of the fixed connecting through hole 11, and a circular sealing piece 432 is arranged in the circumferential direction of the connecting portion in an outward extending mode. Namely, the sealing property to the upper end of the fixed connection through hole 11 is achieved by the provision of the circular sealing sheet 432.

Further, a sealing inclined surface 13 is provided at the upper end of the fixed connection through hole 11, and the sealing inclined surface 13 is inclined inward from top to bottom. I.e. to ensure the sealing effect of the circular sealing plate 432.

Further, an outer connecting ring 6 is further arranged on the outer side of the fixed connecting piece 1, an outer connecting piece 7 is arranged on the outer connecting ring 6 towards the circumferential direction, and the outer connecting ring 6 and the outer connecting piece 7 are integrally formed. Namely, the arrangement of the outer connecting ring 6 and the outer connecting sheet 7 ensures the stability during connection.

Further, the clamping assembly 3 includes:

an upper connecting hook 31, the upper connecting hook 31 protruding to the outer side of the circumference of the fixed connection member 1; and

the lower connecting hook 32, the lower connecting hook 32 sets up on the swing joint 2, and the lower connecting hook 32 is located the circumference of swing joint 2 and can carry out dislocation block with last connecting hook 31. Namely, the connection of the two hooks is realized through hooks which are arranged in one-to-one correspondence up and down. The upper connecting hook 31 and the lower connecting hook 32 are all L-shaped and are in staggered clamping configuration; the small-sized protrusions are further arranged at the connection positions of the hooks, so that the protrusions can be clearly perceived to be in dislocation clamping when the hooks are connected, and the hooks are guaranteed to be connected in place.

Further, two upper coupling hooks 31 are provided, and two lower coupling hooks 32 are provided. The stability of the connection process is ensured.

Further, the movable connector 2 includes: a movable connecting ring 22 which is arranged in a ring shape, and a movable connecting through hole 21 is arranged in the middle; a lower coupling hook 32 is integrally provided at the upper end of the articulating ring 22.

Further, annular gaskets 8 are provided on the upper end face and the lower end face of the movable connecting ring 22, respectively. The annular sealing gasket 8 arranged on the upper end surface is sealed with the fixed connecting piece 1; the annular sealing element arranged on the lower end face is in sealing connection with the inflator 5.

Further, an annular mounting groove is formed in the upper end face of the movable connecting ring 22, and the annular sealing gasket 8 is provided with color values in the annular mounting groove, so that the installation of the annular sealing gasket 8 is ensured.

Further, an annular sealing convex ring is arranged on the lower end face of the movable connecting ring 22, and the annular sealing convex ring can press the annular sealing gasket 8 and the inflator 5, and the movable connecting ring 22 and the inflator 5 are fixedly connected for a long time, so that the connection mode is more reliable.

Further, an internal thread is provided at the movable connection through hole 21 of the movable connection member 2, and is screwed with the inflator 5 by the internal thread. The outer side of the charging port of the charging device 5 is provided with external threads, and the communication is realized through the matching of the external threads and the internal threads.

Further, the inflator 5 is any one of an air pump, an air bag, and an inflator. Generally, an air pump is used as the air charging device 5, and various air pumps with various specifications such as large-sized, medium-sized, small-sized and the like are available in the market at present, so that outdoor fans can conveniently select the air pump according to actual needs of the outdoor fans, and more small-sized air pumps are purchased and used in more times.

Through the arrangement of the split type one-way valve, a user can conveniently use one type of inflation device 5, for example, the same air pump is used for inflating a plurality of different products, the inflation is ensured to be fast carried out, meanwhile, the arrangement of the return spring 42 can ensure that the one-way valve plate 43 always seals the fixed connection through hole 11 to avoid air leakage, and when in inflation, the one-way valve can be opened for inflation under the action of air pressure; during deflation, the one-way valve rod 41 is pressed to realize deflation, so that the convenience of inflation and deflation is ensured, and the use effect is ensured.

The basic use process of the split type check valve designed at this time is as follows:

the product to be inflated is fixed through the outer connecting ring and the outer connecting sheet, the fixed connecting piece is fixedly installed, and the unidirectional opening assembly is also correctly installed, so that the unidirectional opening assembly can be opened only from outside to inside;

when inflation is needed, the inflation device is connected with the movable connecting piece through threads, the movable connecting piece is connected with the fixed connecting piece through the clamping assembly, the inflation device is opened, the inflation pressure is higher than the internal pressure of a product to be inflated, then inflation is realized, after the inflation is finished, the movable connecting piece is taken down, and the unidirectional opening assembly is closed again under the action of the reset spring, so that no air leakage is ensured;

when the use is finished and the air needs to be discharged, the one-way opening assembly is opened again by manpower or other methods to realize the air discharge.

Referring to fig. 9-10, a second new split check valve structure is provided, which has no movable connecting piece and is directly connected through the built-in screw thread of the fixed connecting piece.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (10)

1. A split check valve for an air pump, comprising:

the inflatable device comprises a fixed connecting piece (1), wherein the fixed connecting piece (1) is fixedly connected with a product to be inflated, a fixed connecting through hole (11) is formed in the central axis of the fixed connecting piece (1) in a penetrating mode, and meanwhile the fixed connecting piece (1) is communicated with an inflating device (5); and

the unidirectional opening assembly (4) arranged in the fixed connection through hole (11) comprises:

the one-way valve rod (41), the one-way valve rod (41) is positioned in the fixed connection through hole (11);

the reset spring (42) is sleeved outside the one-way valve rod (41), the lower end of the reset spring (42) is abutted against the one-way valve rod (41), and the upper end of the reset spring is abutted against the inner wall of the fixed connection through hole (11); and

the one-way valve plate (43), one-way valve plate (43) sets up the upper end at one-way valve rod (41), just one-way valve plate (43) are located fixed connection through-hole (11) outside and can cover fixed connection through-hole (11).

2. A split check valve for an air pump according to claim 1, wherein: the utility model discloses a gas-filled device, including fixed connection spare (1), inflation system (5), movable connection spare (2) and fixed connection spare (1) are through joint subassembly (3) joint, and the axis department of movable connection spare (2) runs through and sets up swing joint through-hole (21), and after the two are connected swing joint through-hole (21) and fixed connection through-hole (11) intercommunication.

3. A split check valve for an air pump according to claim 1, wherein: the inner wall of the fixed connection through hole (11) is provided with a limiting convex ring (12) protruding towards the central shaft, and the lower end of the limiting convex ring (12) is abutted against the upper end of the return spring (42).

4. A split check valve for an air pump according to claim 1, wherein: the lower extreme of unidirectional valve rod (41) sets up spacing snap ring (411) towards circumference, spacing snap ring (411) are supported with the lower extreme of reset spring (42), the upper end of unidirectional valve rod (41) passes the hole of spacing bulge loop (12) and exposes the upside of spacing bulge loop (12).

5. A split check valve for an air pump according to claim 1, wherein: the upper end of the one-way valve rod (41) is provided with a T-shaped connector (412), and the one-way valve plate (43) is provided with a T-shaped connecting groove (431) matched with the T-shaped connector (412).

6. A split check valve for an air pump according to claim 1, wherein: the one-way valve plate (43) is made of rubber, the center of the one-way valve plate (43) is a connecting portion, a T-shaped connecting groove (431) is formed in the connecting portion, the size of the connecting portion is larger than that of an upper end opening of the fixed connecting through hole (11), and a circular sealing piece (432) is arranged in the circumferential direction of the connecting portion in an outward extending mode.

7. A split check valve for an air pump according to claim 1, wherein: a sealing inclined surface (13) is arranged at the upper end of the fixed connection through hole (11), and the sealing inclined surface (13) is inclined inwards from top to bottom.

8. A split check valve for an air pump according to claim 2, wherein: the clamping assembly (3) comprises: an upper connecting hook (31), wherein the upper connecting hook (31) is convexly arranged on the circumferential outer side of the fixed connecting piece (1); and the lower connecting hook (32), the lower connecting hook (32) is arranged on the movable connecting piece (2), and the lower connecting hook (32) is positioned in the circumferential direction of the movable connecting piece (2) and can be in dislocation clamping with the upper connecting hook (31).

9. A split check valve for an air pump according to claim 2, wherein: the movable connecting piece (2) comprises: a movable connecting ring (22) which is arranged in a ring shape, and a movable connecting through hole (21) is arranged in the middle; a lower connecting hook (32) is integrally arranged at the upper end of the movable connecting ring (22); annular sealing gaskets (8) are respectively arranged on the upper end face and the lower end face of the movable connecting ring (22).

10. A split check valve for an air pump according to claim 2, wherein: an internal thread is arranged in the movable connecting through hole (21) or the fixed connecting through hole (11), and is in threaded connection with the inflating device (5) through the internal thread.