CN211550654U

CN211550654U - Safety valve with elastic valve clack

Info

Publication number: CN211550654U
Application number: CN201922385725.8U
Authority: CN
Inventors: 谢智才
Original assignee: Zhejiang Shunjing Valve Co ltd
Current assignee: Yongjia Shangcheng Valve Manufacturing Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-22
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of safety valves, in particular to a safety valve with an elastic valve clack, which comprises a valve body, wherein the interior of the valve body is provided with the elastic valve clack, the elastic valve clack comprises a valve clack iron core, a convex ring is integrally formed on the outer wall of the valve clack iron core, the exterior of the valve clack iron core is also provided with an elastic rubber ring, the inner wall of the elastic rubber ring is provided with a groove, the size of the convex ring is matched with the size of the groove, the elastic rubber ring is sleeved on the outer wall of the valve clack iron core and is tightly adhered with the valve clack iron core, the outer wall of the valve body is provided with a through hole close to the front side, the outer wall of the elastic rubber ring is adhered with a connecting block, the connecting block is rotatably connected with the through hole, a rotating rod is welded in the connecting block, the tail end of, the service life of the device is prolonged.

Description

Safety valve with elastic valve clack

Technical Field

The utility model relates to a relief valve technical field, specifically speaking relates to a relief valve with elasticity valve clack.

Background

The safety valve is a special valve for preventing medium pressure in a pipeline or equipment from exceeding a specified value, and plays an important role in protecting personal safety and equipment operation. However, the valve flap used in the existing safety valve is mostly iron and has no elasticity, when the valve flap is rotated back and forth, friction is generated between the valve flap and the valve body, the valve flap is abraded for a long time, and the service life of the valve flap is shortened. In view of this, we propose a safety valve with an elastic flap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief valve with elasticity valve clack to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a safety valve with an elastic valve clack comprises a valve body, wherein the interior of the valve body is provided with the elastic valve clack, the elastic valve clack comprises a valve clack iron core, a convex ring is integrally formed on the outer wall of the valve clack iron core, an elastic rubber ring is further arranged outside the valve clack iron core, a groove is formed in the inner wall of the elastic rubber ring, the size of the convex ring is matched with that of the groove, the elastic rubber ring is sleeved on the outer wall of the valve clack iron core and tightly bonded with the valve clack iron core, a through hole is formed in the position, close to the front side, of the outer wall of the valve body, a connecting block is bonded on the outer wall of the elastic rubber ring, the connecting block is rotatably connected with the through hole, a rotating rod is welded in the connecting block; the top of valve body is equipped with protection mechanism, protection mechanism includes the casing, the roof of casing has seted up the round hole, it has the screw thread post to slide to peg graft in the round hole, the bottom welding of screw thread post has the top board, two guiding holes one have been seted up to the inside of top board, the welding of the top inner wall of casing has two guide posts, the bottom of guide post is passed guide hole one and welding are in on the roof of valve body, the below of top board is equipped with the holding down plate, two guiding holes two have been seted up to the inside of holding down plate, the guide post with the cooperation of pegging graft of sliding between the guiding hole two, the top board with the welding has two springs between the holding down plate, just the spring cup joints on the guide post.

Preferably, the housing is welded to a top wall of the valve body.

Preferably, the top wall of the valve body is provided with a pressure relief hole, the top end of the threaded column extends to the upper part of the shell and is in threaded connection with a nut, and a plurality of exhaust pipes are welded on the outer wall of the circumference of the shell.

Preferably, the outer wall of the valve body is provided with an air inlet connecting end and an air outlet connecting end near the left side and the right side respectively, and the air inlet connecting end, the air outlet connecting end and the valve body are of an integrally formed structure.

Preferably, the bottom wall welding of valve body has the spliced pole, the bottom welding of spliced pole has the mount pad.

Preferably, a plurality of mounting holes are formed in the mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this relief valve with elasticity valve clack through the setting of elasticity valve clack, has fine elasticity, can avoid producing the friction loss between valve clack iron core is direct and the valve body to reducible valve clack produces wearing and tearing, prolongs its life.

2. This relief valve with elastic valve clack through protection mechanism's setting, can play fine pressure release effect, can carry out effectual protection to the valve body, can adjust the pressure release atmospheric pressure value of valve body according to specific demand simultaneously.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

fig. 2 is a partial structural schematic view of the valve body in embodiment 1;

FIG. 3 is an exploded view of the protection mechanism of example 1;

FIG. 4 is a partial structural view of the elastic flap in example 1;

fig. 5 is a schematic diagram of the explosive structure of the elastic flap in example 1.

In the figure: 1. a valve body; 10. an air inlet connecting end; 11. an air outlet connecting end; 12. a pressure relief vent; 13. a through hole; 14. connecting columns; 2. a mounting seat; 20. mounting holes; 3. a protection mechanism; 30. a housing; 300. a circular hole; 31. an exhaust pipe; 32. a threaded post; 33. an upper pressure plate; 330. a first guide hole; 34. a nut; 35. a spring; 36. a guide post; 37. a lower pressing plate; 370. a second guide hole; 4. an elastic valve flap; 40. a valve clack iron core; 400. a convex ring; 41. an elastic rubber ring; 410. a groove; 42. connecting blocks; 5. a knob; 50. and (4) rotating the rod.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A safety valve with an elastic valve clack is disclosed, as shown in figures 1-5, and comprises a valve body 1, wherein the valve body 1 is internally provided with the elastic valve clack 4, the elastic valve clack 4 comprises a valve clack iron core 40, a convex ring 400 is integrally formed on the outer wall of the valve clack iron core 40, the outer part of the valve clack iron core 40 is also provided with an elastic rubber ring 41, the inner wall of the elastic rubber ring 41 is provided with a groove 410, the size of the convex ring 400 is matched with that of the groove 410, the elastic rubber ring 41 is sleeved on the outer wall of the valve clack iron core 40 and tightly bonded with the valve clack iron core 40, the outer wall of the valve body 1 is provided with a through hole 13 close to the front side, the outer wall of the elastic rubber ring 41 is bonded with a connecting block 42, the connecting block 42 is rotatably connected with the through hole; the top of valve body 1 is equipped with protection mechanism 3, protection mechanism 3 includes casing 30, round hole 300 has been seted up to the roof of casing 30, it has threaded post 32 to slide to peg graft in the round hole 300, the bottom welding of threaded post 32 has top board 33, two guiding holes 330 have been seted up to the inside of top board 33, the welding of the top inner wall of casing 30 has two guide posts 36, guide post 36's bottom is passed guiding hole 330 and is welded on the roof of valve body 1, the below of top board 33 is equipped with holding down plate 37, two guiding holes two 370 have been seted up to the inside of holding down plate 37, the cooperation of pegging graft of sliding between guide post 36 and the guiding hole two 370, the welding has two springs 35 between top board 33 and the holding down plate 37, and spring 35 cup joints on guide post 36.

In this embodiment, the housing 30 is welded to the top wall of the valve body 1, so that the housing 30 can be firmly fixed to the valve body 1.

Specifically, the top wall of the valve body 1 is provided with a pressure relief hole 12, the top end of the threaded column 32 extends to the upper part of the housing 30 and is in threaded connection with a nut 34, the nut 34 is unscrewed to push the threaded column 32 to rise or fall, so that the upper pressure plate 33 can be driven to rise or fall, so that the pressure of the upper pressure plate 33 on the spring 35 can be adjusted, further the extrusion force of the lower pressure plate 37 on the pressure relief hole 12 can be adjusted, the pressure relief air pressure of the valve body 1 can be adjusted, the threaded column 32 can be fixed by screwing the nut 34, the circumferential outer wall of the housing 30 is welded with a plurality of exhaust pipes 31, when the pressure inside the valve body 1 is greater than a set value, the air pressure pushes the lower pressure plate 37 to move upwards to compress the spring 35, the air can flow through the pressure relief hole 12 and be discharged through the exhaust pipe 31 for pressure relief, when the air pressure inside the valve body 1 is less, blocking the pressure relief hole 12.

Further, the outer wall of the valve body 1 is provided with an air inlet connecting end 10 and an air outlet connecting end 11 near the left side and the right side respectively, the air inlet connecting end 10, the air outlet connecting end 11 and the valve body 1 are of an integrated structure, and the air inlet pipeline and the air outlet pipeline can be connected through the air inlet connecting end 10 and the air outlet connecting end 11 respectively.

Besides, the bottom wall of the valve body 1 is welded with the connecting column 14, the bottom end of the connecting column 14 is welded with the mounting seat 2, a plurality of mounting holes 20 are formed in the mounting seat 2, and the valve body 1 can be mounted through the mounting seat 2 and the mounting holes 20.

The relief valve with elasticity valve clack of this embodiment is when using, can drive bull stick 50 and elasticity valve clack 4 through rotating knob 5 and rotate, can realize the intercommunication or the closure of valve body 1, when making a round trip to rotate elasticity valve clack 4 through elastic rubber circle 41, can be less the wearing and tearing between valve clack iron core 40 and the valve body 1, prolong its life, when the pressure of valve body 1 inside is greater than the setting value, atmospheric pressure can promote holding down plate 37 and shift up compression spring 35, gas can flow pressure release hole 12, discharge through blast pipe 31 and carry out the pressure release, when the atmospheric pressure is less than and reaches the setting value in valve body 1, make holding down plate 37 move down and resume original state under spring 35's spring action, block up pressure release hole 12.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A safety valve with a resilient flap, comprising a valve body (1), characterized in that: the valve is characterized in that an elastic valve clack (4) is arranged inside the valve body (1), the elastic valve clack (4) comprises a valve clack iron core (40), a convex ring (400) is integrally formed on the outer wall of the valve clack iron core (40), an elastic rubber ring (41) is further arranged outside the valve clack iron core (40), a groove (410) is formed in the inner wall of the elastic rubber ring (41), the size of the convex ring (400) is matched with that of the groove (410), the elastic rubber ring (41) is sleeved on the outer wall of the valve clack iron core (40) and tightly bonded with the valve clack iron core (40), a through hole (13) is formed in the outer wall of the valve body (1) close to the front side, a connecting block (42) is bonded on the outer wall of the elastic rubber ring (41), the connecting block (42) is rotationally connected with the through hole (13), and a rotating rod (50) is welded in the connecting block (42), the tail end of the rotating rod (50) is welded with a knob (5); the top of the valve body (1) is provided with a protection mechanism (3), the protection mechanism (3) comprises a shell (30), the top wall of the shell (30) is provided with a round hole (300), a threaded column (32) is inserted in the round hole (300) in a sliding manner, an upper pressure plate (33) is welded at the bottom end of the threaded column (32), two guide holes I (330) are formed in the upper pressure plate (33), two guide columns (36) are welded on the inner wall of the top of the shell (30), the bottom ends of the guide columns (36) penetrate through the guide holes I (330) and are welded on the top wall of the valve body (1), a lower pressure plate (37) is arranged below the upper pressure plate (33), two guide holes II (370) are formed in the lower pressure plate (37), the guide columns (36) are matched with the guide holes II (370) in a sliding manner in an inserting manner, and two springs (35) are welded between the upper pressure plate (33) and the lower pressure plate (37), and the spring (35) is sleeved on the guide post (36).

2. The safety valve with a resilient flap of claim 1, wherein: the shell (30) is welded on the top wall of the valve body (1).

3. The safety valve with a resilient flap of claim 1, wherein: pressure release hole (12) have been seted up to the roof of valve body (1), the top of screw thread post (32) extends to the top and the threaded connection of casing (30) have nut (34), the welding of the circumference outer wall of casing (30) has a plurality of blast pipes (31).

4. The safety valve with a resilient flap of claim 1, wherein: the outer wall of valve body (1) is close to left and right sides department and is equipped with admit air link (10) and the link of giving vent to anger (11) respectively, admit air link (10), the link of giving vent to anger (11) and valve body (1) structure as an organic whole that takes shape.

5. The safety valve with a resilient flap of claim 1, wherein: the bottom wall welding of valve body (1) has spliced pole (14), the bottom welding of spliced pole (14) has mount pad (2).

6. The safety valve with a resilient flap of claim 5, wherein: a plurality of mounting holes (20) are formed in the mounting base (2).