CN214500056U

CN214500056U - Air valve

Info

Publication number: CN214500056U
Application number: CN202023338998.6U
Authority: CN
Inventors: 杨春华
Original assignee: Dongguan Hongsheng Metal & Plastic Technoloty Co ltd
Current assignee: Dongguan Hongsheng Metal & Plastic Technoloty Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-26
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an air valve, which comprises a lower cover, an upper cover, a connecting rod, an elastic element and a sealing cover, wherein the upper cover is hermetically sleeved in the lower cover, and an air inlet at the lower end of the upper cover is communicated with an air inlet cavity at the inner bottom of the lower cover; the lower end of the connecting rod is provided with a sealing cap, the upper end of the connecting rod movably penetrates through the inner part of the upper cover, the elastic element is arranged between the upper cover and the upper end of the connecting rod and provides elastic force to enable the sealing cap to be sealed at the air inlet of the upper cover; the upper end of the connecting rod is provided with a buckling part, the sealing cover is hermetically and detachably arranged in the air outlet of the upper cover and covers the upper part of the connecting rod, and the upper end of the sealing cover is provided with a matching part; when the air is deflated, the matching part is in butt joint with the buckling part so as to facilitate the operation of the connecting rod. The utility model has the advantages of good sealing effect, quick air release and simple and convenient use.

Description

Air valve

Technical Field

The utility model relates to an air valve especially relates to an air valve that sealed effectual, gassing is quick, convenient simple to use.

Background

The existing air valve generally comprises a lower cover, an upper cover, a connecting rod and an elastic element, wherein the upper cover is connected with the lower cover in a sealing way, and an air inlet of the upper cover is sealed by utilizing the connecting rod and the elastic element, so that the aim of closing the air valve can be fulfilled. When the air needs to be deflated, the air inlet of the upper cover can be opened by the connecting rod through pressing the connecting rod, and then the air can be deflated. However, because the existing air valve has a small volume, the connecting rod is usually located in the air outlet of the upper cover, when the air valve is used for deflating, a human hand needs to extend into the air outlet of the upper cover to operate the connecting rod, and the diameter of the connecting rod is small, so that the human hand is difficult to press and rotate the connecting rod, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air valve that sealed effectual, gassing is quick, convenient simple to use.

In order to achieve the purpose, the air valve provided by the utility model comprises a lower cover, an upper cover, a connecting rod, an elastic element and a sealing cover, wherein the upper cover is hermetically sleeved in the lower cover, and an air inlet at the lower end of the upper cover is communicated with an air inlet cavity at the inner bottom of the lower cover; the lower end of the connecting rod is provided with a sealing cap, the upper end of the connecting rod movably penetrates through the inner part of the upper cover, the elastic element is arranged between the upper cover and the upper end of the connecting rod and provides elastic force to enable the sealing cap to be sealed at the air inlet of the upper cover; the upper end of the connecting rod is provided with a buckling part, the sealing cover is hermetically and detachably arranged in the air outlet of the upper cover and covers the upper part of the connecting rod, and the upper end of the sealing cover is provided with a matching part; when the air is deflated, the matching part is in butt joint with the buckling part so as to facilitate the operation of the connecting rod.

Compared with the prior art, because the utility model discloses a set up sealed lid in the upper cover, sealed lid is in can seal in when the pneumatic valve is closed the gas outlet of upper cover, thereby it is right to reach sealed effect is strengthened to the pneumatic valve, improves sealed effect. And, set up the buckling parts in the upper end of the said tie rod, and there are cooperating parts in the upper end of the said sealed cover, because the said cooperating part can with the said buckling parts block and interface, therefore, while deflating, only need connect with said cooperating part in the said buckling parts, can achieve and utilize the said sealed cover to operate the purpose of the said tie rod, and then can operate the tie rod and make the sealed cap of the tie rod leave the said air inlet more conveniently and easily, meanwhile, the said sealed cover leaves the said air outlet of the upper cover, thus realize the goal of deflating fast. In the whole process, the sealing cover is inverted and clamped in the buckling part to be operated without extending out of the air outlet of the upper cover to operate the connecting rod, so that the sealing cover is very simple and convenient to use.

Preferably, a fastener is arranged at the upper end of the connecting rod, and the fastening part is arranged on the surface of the fastener.

Specifically, the buckling part is an elongated groove, and the matching part is a protruding strip matched with the elongated groove. The long-shaped groove and the raised line are simple in structure and fast and convenient to match, the structure of the air valve is simplified, and convenience in operation is improved.

Specifically, the upper cover is internally provided with transverse ribs, the side surface of the sealing cover is provided with an L-shaped bayonet, and when the sealing cover is sleeved in the upper cover, the ribs are clamped in the bayonet. Through the rib with the cooperation of bayonet socket, can make the sealed lid firmly connect in the upper cover prevents the sealed lid is unexpected to be opened, further strengthens sealed effect.

Preferably, a guide sleeve for the connecting rod to pass through is arranged inside the upper cover, a deep groove and a shallow groove are formed in the lower bottom surface of the guide sleeve, the deep groove and the shallow groove are arranged in a crossed mode, bone positions are arranged on two sides of the connecting rod, when the bone positions are clamped in the deep groove, the sealing cap covers the air inlet in a sealing mode, and when the bone positions are clamped in the shallow groove, the sealing cap leaves the air inlet. Through utilizing deep groove with bone position cooperation is connected, can need not to exert pressure to the connecting rod continuously when gassing, improve the convenience of using. And the shallow groove is matched and connected with the bone position, so that the connecting rod can be positioned when the air valve is closed, the connecting rod is prevented from moving, and accidental deflation is avoided.

Preferably, a first sealing ring is arranged between the sealing cover and the upper cover, an annular groove is formed in the side wall of the sealing cover, and the first sealing ring is positioned in the annular groove. The first sealing ring is arranged to ensure the sealing effect between the sealing cover and the upper cover, so that the sealing performance of the air valve is enhanced.

Preferably, the upper side of the sealing cap is provided with a positioning groove, a sealing gasket is arranged in the positioning groove, and when the sealing cap covers the air inlet, the sealing gasket is pressed against the air inlet. Through setting up sealed pad, can avoid sealed cap with produce the tiny gap and leak gas between the air inlet, effectively improve the sealing performance of pneumatic valve.

Preferably, the upper cover and the lower cover are connected through threads. Therefore, the upper cover and the lower cover can be conveniently connected and assembled, and the sealing performance between the upper cover and the lower cover can be further enhanced.

Preferably, a second sealing ring is arranged between the upper cover and the lower cover. The second sealing ring is arranged to ensure the sealing effect between the upper cover and the lower cover, so that the sealing performance of the air valve is enhanced.

Preferably, a flexible connecting piece is arranged between the sealing cover and the upper cover. The flexible connecting piece is arranged, so that the sealing cover can be prevented from being lost, and the use convenience is improved.

Drawings

Fig. 1 is a perspective view of the air valve of the present invention.

Fig. 2 is an exploded view of the gas valve of the present invention.

Figure 3 is an internal cross-sectional view of the gas valve of the present invention.

Fig. 4 is a structural view of the sealing cover of the air valve of the present invention.

Fig. 5 is a structural diagram of a connecting rod of the air valve of the present invention.

Fig. 6 is a structural diagram of the upper cover of the air valve of the present invention.

Fig. 7 is a view showing the internal state of the gas valve of the present invention when it is deflated.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 to 3 and 7, the gas valve 100 of the present invention includes a lower cover 1, an upper cover 2, a connecting rod 3, an elastic element 4 and a sealing cover 5, wherein the upper cover 2 and the lower cover 1 are horn-shaped structures, the upper cover 2 is hermetically sleeved in the lower cover 1, a gas inlet 21 at a lower end of the upper cover 2 is communicated with a gas inlet cavity 11 at an inner bottom of the lower cover 1, and the gas inlet cavity 11 is communicated with an outer side of the lower cover 1; the lower end of the connecting rod 3 is provided with a sealing cap 31, and the sealing cap 31 is positioned in the air inlet cavity 11. The upper end of the connecting rod 3 movably penetrates through the inside of the upper cover 2, the elastic element 4 is arranged between the upper cover 2 and the upper end of the connecting rod 3, and provides an elastic force to seal the sealing cap 31 in the air inlet 21 of the upper cover 2; the elastic element 4 is a compression spring and is sleeved outside the upper section of the connecting rod 3. The upper end of connecting rod 3 is equipped with buckling parts 321, specifically, the upper end of connecting rod 3 is equipped with fastener 32, set up in on buckling parts 321 the surface of fastener 32. The sealing cover 5 is hermetically and detachably arranged in the air outlet 2a of the upper cover 2 and covers the upper part of the connecting rod 3, and the upper end of the sealing cover 5 is provided with a matching part 51; when the air is deflated, the sealing cover 5 is separated from the upper cover 2, and the fitting portion 51 is abutted with the engaging portion 321 to facilitate the operation of the link 3.

Referring to fig. 3, 4 and 5, the fastening portion 321 is an elongated slot, and the engaging portion 51 is a protruding strip engaged with the elongated slot. The long-shaped groove and the raised line are simple in structure and fast and convenient to match, the structure of the air valve 100 is simplified, and convenience in operation is improved.

Referring to fig. 3, 4 and 6, a transverse rib 22 is disposed inside the upper cover 2, the rib 22 transversely passes through an inner hole of the upper cover 2, two side surfaces of the sealing cover 5 are provided with L-shaped bayonets 52, and when the sealing cover 5 is sleeved in the upper cover 2, the rib 22 enters the bayonets 52 and is clamped in the bayonets 52 after the sealing cover 5 rotates by an angle. Through the matching of the rib 22 and the bayonet 52, the sealing cover 5 can be firmly connected to the upper cover 2, the sealing cover 5 is prevented from being opened accidentally, and the sealing effect is further enhanced. A first sealing ring 6 is arranged between the sealing cover 5 and the upper cover 2, an annular groove 53 is formed in the side wall of the sealing cover 5, and the first sealing ring 6 is positioned in the annular groove 53. The first sealing ring 6 is arranged to ensure the sealing effect between the sealing cover 5 and the upper cover 2, thereby enhancing the sealing performance of the gas valve 100.

Referring to fig. 5 and 6, a guide sleeve 23 for the connection rod 3 to pass through is disposed in the inner hole of the upper cover 2, a deep groove 231 and a shallow groove 232 are disposed on a lower bottom surface of the guide sleeve 23, the deep groove 231 and the shallow groove 232 are arranged in a crossed manner, bone positions 33 are disposed on two sides of the connection rod 3, when the bone positions 33 are clamped in the deep groove 231, the sealing cap 31 is hermetically covered on the air inlet 21, and when the bone positions 33 are clamped in the shallow groove 232, the sealing cap 31 is away from the air inlet 21. By using the deep groove 231 to be matched and connected with the bone position 33, the connecting rod 3 does not need to be continuously pressurized during deflation, and the use convenience is improved. And the shallow groove 232 is matched and connected with the bone position 33, so that the connecting rod 3 can be positioned when the air valve 100 is closed, the connecting rod 3 is prevented from moving, and accidental deflation is avoided.

Referring to fig. 3 and 5, a positioning groove 34 is formed in the upper side of the sealing cap 31, a sealing gasket 7 is disposed in the positioning groove 34, and when the sealing cap 31 covers the air inlet 21, the sealing gasket 7 is pressed against the air inlet 21. By arranging the sealing gasket 7, air leakage caused by a small gap between the sealing cap 31 and the air inlet 21 can be avoided, and the sealing performance of the air valve 100 is effectively improved.

Referring to fig. 3, the upper cap 2 is connected to the lower cap 1 by a screw. Therefore, the connection and assembly between the upper cover 2 and the lower cover 1 can be facilitated, and the sealing performance between the upper cover and the lower cover can be further enhanced. And a second sealing ring 8 is arranged between the upper cover 2 and the lower cover 1. The second sealing ring 8 is arranged to ensure the sealing effect between the upper cover 2 and the lower cover 1, so as to enhance the sealing performance of the gas valve 100.

A flexible connecting piece (not shown) is arranged between the sealing cover 5 and the upper cover 2. The flexible connecting piece can prevent the sealing cover 5 from being lost, and the use convenience is improved.

Compared with the prior art, because the utility model discloses a set up sealed lid 5 in the upper cover 2, sealed lid 5 is in when pneumatic valve 100 closes can seal in the gas outlet of upper cover 2, thereby it is right to reach sealed effect is strengthened to pneumatic valve 100, improves sealed effect. Furthermore, the upper end of the connecting rod 3 is provided with the buckling part 321, the upper end of the sealing cover 5 is provided with the matching part 51, and the matching part 51 can be clamped and butted with the buckling part 321, so that the purpose of operating the connecting rod 3 by using the sealing cover 5 can be achieved only by connecting the matching part 51 to the buckling part 321 during air release, the connecting rod 3 can be operated more conveniently and easily, the sealing cap 31 of the connecting rod 3 is separated from the air inlet 21, and meanwhile, the sealing cover 5 is separated from the air outlet of the upper cover 2, so that the purpose of quickly releasing air is achieved. In the whole process, the sealing cover 5 is only required to be inverted and clamped in the buckling part 321 to operate, the connecting rod 3 is not required to be operated in the air outlet of the upper cover 2, and the use is very simple and convenient.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. An air valve, characterized in that: the air inlet cavity is communicated with the air inlet cavity at the inner bottom of the lower cover; the lower end of the connecting rod is provided with a sealing cap, the upper end of the connecting rod movably penetrates through the inner part of the upper cover, the elastic element is arranged between the upper cover and the upper end of the connecting rod and provides elastic force to enable the sealing cap to be sealed at the air inlet of the upper cover; the upper end of the connecting rod is provided with a buckling part, the sealing cover is hermetically and detachably arranged in the air outlet of the upper cover and covers the upper part of the connecting rod, and the upper end of the sealing cover is provided with a matching part; when the air is deflated, the matching part is in butt joint with the buckling part so as to facilitate the operation of the connecting rod.

2. A gas valve as claimed in claim 1, characterized in that: the upper end of connecting rod is equipped with the fastener, set up in on the buckling parts the surface of fastener.

3. A gas valve as claimed in claim 2, characterized in that: the buckling part is a long groove, and the matching part is a convex strip matched with the long groove.

4. A gas valve as claimed in claim 2, characterized in that: the sealing structure is characterized in that transverse ribs are arranged inside the upper cover, an L-shaped bayonet is arranged on the side face of the sealing cover, and when the sealing cover is sleeved in the upper cover, the ribs are clamped in the bayonet.

5. A gas valve as claimed in claim 1, characterized in that: the inside of upper cover is equipped with the confession the uide bushing that the connecting rod passed through, the lower bottom surface of uide bushing sets up deep groove and shallow slot, the deep groove with the shallow slot is alternately to be set up, the both sides of connecting rod are equipped with the position of bone, the position of bone card is in during the deep groove, sealed cap covers with sealing the air inlet, the position of bone card is in during the shallow slot, sealed cap leaves the air inlet.

6. A gas valve as claimed in claim 1, characterized in that: the sealing structure is characterized in that a first sealing ring is arranged between the sealing cover and the upper cover, an annular groove is formed in the side wall of the sealing cover, and the first sealing ring is positioned in the annular groove.

7. A gas valve as claimed in claim 1, characterized in that: the upside of sealed cap is equipped with the constant head tank, be equipped with sealed the pad in the constant head tank, sealed cap lid fits when the air inlet, sealed pad support press in the air inlet.

8. A gas valve as claimed in claim 1, characterized in that: the upper cover is connected with the lower cover through threads.

9. A gas valve as claimed in claim 1, characterized in that: and a second sealing ring is arranged between the upper cover and the lower cover.

10. A gas valve as claimed in claim 1, characterized in that: and a flexible connecting piece is arranged between the sealing cover and the upper cover.