CN218761633U

CN218761633U - Automatic pressure relief valve inside

Info

Publication number: CN218761633U
Application number: CN202222823810.XU
Authority: CN
Inventors: 唐鹏飞
Original assignee: Jiangyin Changxiong Metal Technology Co ltd
Current assignee: Jiangyin Changxiong Metal Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-28
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses an automatic pressure release valve inside, its technical scheme main points are: the valve core sealing device comprises an installation pipe body, wherein a guide mechanism is arranged at the bottom of the connection pipe, a connection rod is fixedly connected with the bottom of a second sealing plate, a locking nut in threaded connection with the outer side of a first external thread pipe and a second external thread pipe is adopted, the distance between the first external thread pipe and the second external thread pipe can be adjusted by rotating the locking nut or rotating the second external thread pipe, the bottom of the second external thread pipe is subjected to resisting sealing by the first sealing plate, the elasticity and tightness of a spring can be adjusted by adjusting the height of the second external thread pipe, and the valve core can be continuously pressurized after certain air pressure is set by depending on the extension and compression of the spring; and then can automatic pressure release, the guiding mechanism that sets up through the bottom of second closing plate relies on guiding mechanism to have good direction effect when can making the second closing plate remove.

Description

Automatic pressure relief valve inside

Technical Field

The utility model relates to a valve inside field, in particular to automatic pressure release valve inside.

Background

The valve core is mainly used for air intake of tires and preventing air leakage of the tires, is installed in a valve nozzle when in use, and mainly comprises a core body, a core cap, a core rod, a spring and other components.

The prior Chinese patent with publication number CN213920567U discloses a tire valve core, which belongs to the field of valve cores and comprises a core body with a through hole and a core cap, wherein the core cap is arranged on the core body; the core rod penetrates through the core body and the core cap and can move linearly; one end of the core bar is fixedly provided with a sealing part which can open and close the through hole at the end part of the core body, the other end of the core bar is fixedly provided with a limiting part, and an elastic device is arranged between the other end of the core bar and the core cap or the core body; the outer wall of the core body is provided with a matching part, the matching part is provided with a second convex ring, and sealing rings are sleeved outside the matching part and the second convex ring; the two ends of the matching part are respectively provided with a first convex ring and a third convex ring, the third convex ring is close to the core cap, the first convex ring is far away from the core cap, and the two ends of the sealing ring are respectively abutted against the first convex ring and the third convex ring.

The above-mentioned middle tires have some disadvantages such as: when the valve inside used, the inconvenient inside atmospheric pressure of knowing the tire need use the characteristics instrument to detect the inside atmospheric pressure of tire when carrying out atmospheric pressure to the tire inside and knowing, and it is troublesome to take time relatively, to the inside unnecessary atmospheric pressure of tire, needs manual the release.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims to provide an automatic pressure release valve inside to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an automatic pressure release valve inside, includes the installation body, the inside fixedly connected with connecting pipe of installation body, the cavity has been seted up to the inside of connecting pipe, two baffles of inside fixedly connected with of cavity, two first disappointing holes have been seted up to the bottom of connecting pipe, the first external screw tube of fixedly connected with on the connecting pipe, the outside threaded connection of first external screw tube has lock nut, lock nut's inboard threaded connection has the second external screw tube, sliding connection has the core bar in the second external screw tube, the disappointing hole of two seconds has been seted up on the second external screw tube, the outside fixedly connected with first closing plate and the spring of core bar, the bottom fixedly connected with second closing plate of core bar, the bottom of connecting pipe is provided with guiding mechanism, the bottom fixedly connected with connecting rod of second closing plate.

Through adopting above-mentioned technical scheme, outside threaded connection's lock nut through first external thread pipe and second external thread pipe, rely on and rotate lock nut or rotate second external thread pipe, can adjust the distance between first external thread pipe and the second external thread pipe, first closing plate supports to keep out sealedly to the bottom of second external thread pipe, through the height of adjusting the second external thread pipe, can adjust spring elasticity degree, rely on extending of spring and compression, can make the valve core continue to pressurize after setting up certain atmospheric pressure, and then can automatic pressure release, guiding mechanism through the bottom setting of second closing plate, it can make the second closing plate have good guide effect when removing to rely on guiding mechanism.

Preferably, the guide mechanism includes two guide rods and two guide holes, the two guide rods are respectively and fixedly connected to the bottom of the connecting pipe, the two guide holes are respectively formed in the second sealing plate, and the two guide rods are respectively and slidably connected to the two guide holes.

Through adopting above-mentioned technical scheme, through guide bar sliding connection in the guiding hole, can be so that the second is sealed to fill up and has good direction effect.

Preferably, two sides of the spring are respectively provided with four balls.

Through adopting above-mentioned technical scheme, the setting of ball can increase the frictional force of spring and connecting tube inner wall, makes things convenient for the spring to use.

Preferably, the bottom of the core rod is fixedly connected with a top block, and the top block is a semicircular top block.

By adopting the technical scheme, the core rod can be conveniently pressed by the arrangement of the top block.

Preferably, the outer surface of the second externally threaded pipe is provided with scale marks.

Through adopting above-mentioned technical scheme, the setting of scale mark can make things convenient for the tire pressure of end tire to restrict.

Preferably, the first sealing plate and the second sealing plate are both provided with circular sealing plates.

Through adopting above-mentioned technical scheme, first closing plate and second closing plate all are provided with circular closing plate, can be so that first closing plate and second closing plate have good structural strength, and sealed better.

To sum up, the utility model discloses mainly have following beneficial effect:

first, the utility model discloses a lock nut of the outside threaded connection of first external screw pipe and second external screw pipe relies on to rotate lock nut or rotate the second external screw pipe, can adjust the distance between first external screw pipe and the second external screw pipe, and first closing plate supports to keep off sealedly to the bottom of second external screw pipe, and through the height of adjusting the second external screw pipe, can adjust spring elasticity, rely on extending of spring to reach and compress, can make the valve inside continue to pressurize after setting up certain atmospheric pressure, and then can automatic pressure release.

Second, the utility model discloses a guiding mechanism of the bottom setting of second closing plate relies on guiding mechanism to have good direction effect when can be so that the second closing plate removes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural view of the second sealing plate of the present invention.

Reference numerals: 1. installing a pipe body; 2. a connecting pipe; 3. a cavity; 4. a baffle plate; 5. a first air escape hole; 6. a first externally threaded tube; 7. locking the nut; 8. a second externally threaded pipe; 9. a core bar; 10. a second air escape hole; 11. a first sealing plate; 12. a spring; 13. a second sealing plate; 14. a guide mechanism; 141. a guide bar; 142. a guide hole; 15. a connecting rod; 16. a ball bearing; 17. a top block; 18. scale lines are marked.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, an automatic relief valve core, including a mounting tube body 1, a connecting tube 2 fixedly connected to the inside of the mounting tube body 1, a cavity 3 formed in the inside of the connecting tube 2, two baffles 4 fixedly connected to the inside of the cavity 3, two first air release holes 5 formed in the bottom of the connecting tube 2, a first male screw tube 6 fixedly connected to the connecting tube 2, a lock nut 7 threadedly connected to the outer side of the first male screw tube 6, a second male screw tube 8 threadedly connected to the inner side of the lock nut 7, a core rod 9 slidably connected to the second male screw tube 8, two second air release holes 10 formed in the second male screw tube 8, a first seal plate 11 and a spring 12 fixedly connected to the outer side of the core rod 9, a second seal plate 13 fixedly connected to the bottom of the second male screw tube 8 through the lock nut 7 threadedly connected to the outer side of the first male screw tube 6 and the second male screw tube 8, a guide rod 141 slidably connected to the second male screw tube 8 by rotating the lock nut 7, a height adjusting mechanism for adjusting the two air pressure guide rods 141, a guide rod 142 and a guide rod guide mechanism for adjusting the height of the two air pressure guide rods 141, a guide rod 14 and a guide rod guide mechanism for adjusting the two guide rod 142, respectively connected to the two guide rod guide mechanism for adjusting the two guide rod 142, can be so that the second sealed pad has good guide effect, the bottom fixedly connected with connecting rod 15 of second closing plate 13, through the guiding mechanism 14 that the bottom of second closing plate 13 set up, rely on guiding mechanism 14 to have good guide effect when can making second closing plate 13 remove.

Referring to fig. 1, the two sides of the spring 12 are respectively provided with four balls 16, and the arrangement of the balls 16 can increase the friction force between the spring 12 and the inner wall of the connecting pipe 2, so that the use of the spring 12 is facilitated.

Referring to fig. 1, the bottom of the core rod 9 is fixedly connected with a top block 17, the top block 17 is a semicircular top block, and the top block 17 can be conveniently pressed on the core rod 9.

Referring to fig. 2, the outer surface of the second outer threaded pipe 8 is provided with scale marks 18, and the arrangement of the scale marks 18 can facilitate the limitation of the tire pressure of the bottom tire.

Referring to fig. 3, the first sealing plate 11 and the second sealing plate 13 are provided with circular sealing plates, and the first sealing plate 11 and the second sealing plate 13 are provided with circular sealing plates, so that the first sealing plate 11 and the second sealing plate 13 have good structural strength and are sealed well.

The use principle and the advantages are as follows: during the use, through the outside threaded connection's of first external thread pipe 6 and second external thread pipe 8 lock nut 7, rely on and rotate lock nut 7 or rotate second external thread pipe 8, can adjust the distance between first external thread pipe 6 and the second external thread pipe 8, first closing plate 11 supports to keep out sealedly to the bottom of second external thread pipe 8, through the height of adjusting second external thread pipe 8, can adjust spring 12 elasticity degree, rely on extending and compressing of spring 12, can make the valve core continue the pressurization after setting up certain atmospheric pressure, and then can automatic pressure release, two guide bar 141 sliding connection are in two guide hole 142, can make second closing plate 13 go up and down more firmly and stable.

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

Claims

1. The utility model provides an automatic pressure release valve inside, includes installation body (1), its characterized in that: the utility model discloses a connecting pipe for the building of building, including installation body (1), connecting pipe (2), cavity (3) have been seted up to the inside of connecting pipe (2), two baffle (4) of the inside fixedly connected with of cavity (3), two first disappointing holes (5) have been seted up to the bottom of connecting pipe (2), the first external thread pipe of fixedly connected with (6) are gone up in connecting pipe (2), the outside threaded connection of first external thread pipe (6) has lock nut (7), the inboard threaded connection of lock nut (7) has second external thread pipe (8), sliding connection has core bar (9) in second external thread pipe (8), two second disappointing holes (10) have been seted up on second external thread pipe (8), the outside fixedly connected with first closing plate (11) and spring (12) of core bar (9), the bottom fixedly connected with second closing plate (13) of core bar (9), the bottom of connecting pipe (2) is provided with guiding mechanism (14), the bottom fixedly connected with connecting rod (15) of second closing plate (13).

2. The automatic pressure relief valve core according to claim 1, characterized in that: the guide mechanism (14) comprises two guide rods (141) and two guide holes (142), the two guide rods (141) are respectively and fixedly connected to the bottom of the connecting pipe (2), the two guide holes (142) are respectively formed in the second sealing plate (13), and the two guide rods (141) are respectively and slidably connected to the two guide holes (142).

3. The automatic pressure relief valve core according to claim 1, characterized in that: two sides of the spring (12) are respectively provided with four balls (16), and the number of the balls (16) is four.

4. The automatic pressure relief valve core according to claim 1, characterized in that: the bottom of the core rod (9) is fixedly connected with a top block (17), and the top block (17) is a semicircular top block.

5. The automatic pressure relief valve core according to claim 1, characterized in that: the outer surface of the second external thread pipe (8) is provided with scale marks (18).

6. The automatic pressure relief valve core according to claim 1, characterized in that: the first sealing plate (11) and the second sealing plate (13) are both provided with circular sealing plates.