CN214999481U

CN214999481U - Safety self-locking valve for gas pipeline

Info

Publication number: CN214999481U
Application number: CN202121305469.8U
Authority: CN
Inventors: 谭安军
Original assignee: Guigang Xinao Gas Engineering Co ltd
Current assignee: Guigang Xinao Gas Engineering Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-03
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a safety self-locking valve for a gas pipeline, which comprises a valve body, wherein the inner wall of the valve body is respectively and fixedly provided with a Z-shaped clapboard and a circular plate, the Z-shaped clapboard is provided with a round platform-shaped through hole, the top outer wall of the valve body is fixedly connected with a housing, the inner wall of the housing is in sliding connection with a sliding plate, the bottom of the sliding plate is fixedly connected with a shaft lever, the bottom of the sliding plate penetrates through the valve body and extends into the valve body, the bottom of the shaft lever is fixedly connected with a round platform-shaped sealing block which is matched with the round platform-shaped through hole for use, the housing is provided with an adjusting component for accurately adjusting the opening degree of the round platform-shaped through hole, and the circular plate is provided with a circular hole, the utility model has simple structure, double sealing, improves the sealing performance of the valve body, effectively prevents the gas leakage and the liquid leakage phenomenon from occurring, has the self-locking function, and can prevent children from opening at will, the natural gas leakage phenomenon is caused, and the safety of the natural gas leakage phenomenon is improved.

Description

Safety self-locking valve for gas pipeline

Technical Field

The utility model relates to the technical field of valves, especially, relate to a gas pipeline safety self-locking valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

The existing gas pipeline valve is complex in structure and poor in sealing performance, can leak gas and liquid after being used for a long time, does not have a self-locking function, and cannot prevent potential safety hazards caused by random opening and incomplete closing of children.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety self-locking valve for a gas pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas pipeline safety self-locking valve, includes the valve body, the inner wall of valve body is fixed Z type baffle and the circular slab of being provided with respectively, round platform shape through-hole has been seted up on the Z type baffle, the top outer wall fixedly connected with housing of valve body, the inner wall sliding connection of housing has the sliding plate, the bottom fixedly connected with bottom of sliding plate runs through the axostylus axostyle that the valve body extends to in the valve body, the sealed piece of round platform shape that the bottom fixedly connected with and the cooperation of round platform shape through-hole of axostylus axostyle used, be provided with the adjusting part of accurate regulation round platform shape through-hole aperture on the housing, the round hole has been seted up on the circular slab, one side sliding connection that Z type baffle was kept away from to the circular slab has the closing plate, be provided with the gliding transmission assembly of drive closing plate on the valve body.

Preferably, the threaded rod of connection is rotated to the top inner wall that adjusting part includes the housing, the threaded sleeve is equipped with bottom and sliding plate top fixed connection's U template on the outer wall of threaded rod, fixed cover is equipped with first gear on the outer wall of threaded rod, one side inner wall fixedly connected with fixed plate of housing, the top of fixed plate is rotated and is connected with the axis of rotation that the housing extended to housing top one side is run through at the top, the outer wall fixed cover of axis of rotation is equipped with the second gear with first gear engaged with, the number of teeth of first gear is the triple of second gear.

Preferably, the fixed cover in top of axis of rotation is equipped with rotates the wheel, the fixed cover of outer wall that rotates the wheel is equipped with anti-skidding cover.

Preferably, the outer wall of the truncated cone-shaped sealing block is fixedly sleeved with a sealing ring, and the inner wall of the truncated cone-shaped through hole is provided with an annular groove matched with the sealing ring for use.

Preferably, the transmission assembly includes the top outer wall sliding connection's of valve body kelly, the outer wall of kelly and the same second spring of the top outer wall fixedly connected with of valve body, the top fixedly connected with connecting rod of closing plate, the top of connecting rod runs through the valve body and extends to valve body top one side and fixedly connected with cardboard, the second bar hole has been seted up on the cardboard, the top of kelly passes second bar hole and extends to top one side of cardboard, the outer wall fixedly connected with and the cardboard bottom inconsistent baffle of kelly, the cover is equipped with the first spring that is in compression state on the outer wall of connecting rod, the both ends of first spring respectively with the top inner wall of valve body, closing plate top fixed connection.

Preferably, the top fixedly connected with second triangular block of kelly, first bar hole has been seted up to one side of housing, sliding connection has one side and sliding plate one side fixed connection's connecting plate in the first bar hole, one side fixedly connected with of connecting plate and the first triangular block of second triangular block cooperation use.

Preferably, both sides of the valve body are fixedly connected with connecting rings, and the inner walls of the connecting rings are provided with threads.

Compared with the prior art, the beneficial effects of the utility model are that: 1. in the utility model, when the valve needs to be opened, the rotating wheel is manually rotated, the rotating second gear of the rotating wheel rotates, the rotation of the second gear drives the first gear to rotate, the rotation of the second gear drives the threaded rod to rotate, the rotation of the threaded rod drives the circular truncated cone-shaped sealing block to move, the moving of the circular truncated cone-shaped sealing block opens the sealing of the circular truncated cone-shaped through hole, and the opening degree of the circular truncated cone-shaped through hole can be more accurately adjusted because the second gear rotates three circles of the first gear to rotate a circle;

2. in the utility model, when the valve needs to be closed, the rotating wheel is reversely rotated again, the rotating wheel drives the sliding plate to slide, the sliding plate drives the connecting plate to slide, the sliding of the connecting plate drives the first triangular block to move, the first triangular block drives the second triangular block to move, the second triangular block drives the clamping rod to slide, the clamping rod drives the baffle to move, and when the truncated cone-shaped sealing block completely seals the truncated cone-shaped through hole, the baffle just releases the conflict with the bottom of the clamping plate;

3. the utility model discloses in, the closing plate takes place to slide under the elasticity of first spring and carries out the complete sealing with the round hole to carry out the auto-lock to the valve, can prevent that child from random rotation from rotating the wheel, thereby open the valve, improved the security, also can strengthen the leakproofness of valve body, when opening the valve once more, the pulling cardboard, once more with the cardboard bottom with the baffle top inconsistent can.

The utility model discloses simple structure is provided with double seal, has improved valve body sealing performance, and the effectual gas leakage weeping phenomenon that has prevented takes place, and has the function of auto-lock, can prevent child's random opening, leads to the natural gas leakage phenomenon to take place, has improved its security.

Drawings

Fig. 1 is a front sectional view of a safety self-locking valve for a gas pipeline according to the present invention;

fig. 2 is an enlarged view of a portion a of a gas pipeline safety self-locking valve provided by the present invention;

fig. 3 is a three-dimensional view of the first triangular block of the gas pipeline safety self-locking valve provided by the utility model.

In the figure: 1. a valve body; 2. a Z-shaped partition plate; 3. a circular plate; 4. a circular truncated cone-shaped through hole; 5. an annular groove; 6. a seal ring; 7. a truncated cone shaped sealing block; 8. a circular hole; 9. a sealing plate; 10. a first spring; 11. a connecting rod; 12. a connecting ring; 13. a shaft lever; 14. a housing; 15. a sliding plate; 16. a first bar-shaped hole; 17. a connecting plate; 18. a U-shaped plate; 19. a threaded rod; 20. a first gear; 21. a second gear; 22. a rotating shaft; 23. a rotating wheel; 24. a fixing plate; 25. a first triangular block; 26. a second triangular block; 27. a clamping rod; 28. clamping a plate; 29. a baffle plate; 30. a second bar-shaped hole; 31. a second spring.

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.

Example one

Referring to fig. 1-3, a gas pipeline safety self-locking valve, including valve body 1, the inner wall of valve body 1 is fixed respectively and is provided with Z type baffle 2 and circular plate 3, round platform shape through-hole 4 has been seted up on the Z type baffle 2, the top outer wall fixedly connected with housing 14 of valve body 1, the inner wall sliding connection of housing 14 has sliding plate 15, the bottom fixedly connected with bottom of sliding plate 15 runs through the axostylus axostyle 13 in valve body 1 extends to the valve body 1, round platform shape seal block 7 that the bottom fixedly connected with of axostylus axostyle 13 and the cooperation of round platform shape through-hole 4 used, be provided with the adjusting part of accurate regulation round platform shape through-hole 4 aperture on the housing 14, round hole 8 has been seted up on the circular plate 3, one side sliding connection that Z type baffle 2 was kept away from to circular plate 3 has closing plate 9, be provided with the gliding transmission part of drive closing plate 9 on the valve body 1.

Example two

The improvement is further based on the first embodiment: the adjusting part includes threaded rod 19 that the top inner wall of housing 14 rotated the connection, the thread bush is equipped with bottom and sliding plate 15 top fixed connection's U template 18 on the outer wall of threaded rod 19, fixed cover is equipped with first gear 20 on the outer wall of threaded rod 19, one side inner wall fixedly connected with fixed plate 24 of housing 14, the top of fixed plate 24 is rotated and is connected with the axis of rotation 22 that the top runs through housing 14 and extends to housing 14 top one side, the fixed cover of outer wall of axis of rotation 22 is equipped with second gear 21 with first gear 20 engaged with, the number of teeth of first gear 20 is the triple of second gear 21, the fixed cover in top of axis of rotation 22 is equipped with rotates wheel 23, the fixed cover of outer wall that rotates wheel 23 is equipped with the antiskid cover, fixed cover is equipped with sealing washer 6 on the outer wall of round platform shape sealing block 7, the annular groove 5 that uses with the cooperation of sealing washer 6 is seted up to the inner wall of round platform shape through-hole 4.

EXAMPLE III

The improvement is further based on the first embodiment: the transmission component comprises a clamping rod 27 connected with the outer wall of the top of the valve body 1 in a sliding manner, the outer wall of the clamping rod 27 and the outer wall of the top of the valve body 1 are fixedly connected with the same second spring 31, the top of the sealing plate 9 is fixedly connected with a connecting rod 11, the top of the connecting rod 11 penetrates through the valve body 1 and extends to one side of the top of the valve body 1 and is fixedly connected with a clamping plate 28, a second strip-shaped hole 30 is formed in the clamping plate 28, the top of the clamping rod 27 penetrates through the second strip-shaped hole 30 and extends to one side of the top of the clamping plate 28, the outer wall of the clamping rod 27 is fixedly connected with a baffle 29 which is in contact with the bottom of the clamping plate 28, a first spring 10 in a compressed state is sleeved on the outer wall of the connecting rod 11, two ends of the first spring 10 are respectively connected with the inner wall of the top of the valve body 1 and the top of the sealing plate 9, a second triangular block 26 is fixedly connected with the top of the clamping rod 27, a first strip-shaped hole 16 is formed in one side of the housing 14, sliding connection has one side and sliding plate 15 one side fixed connection's connecting plate 17 in first bar hole 16, and one side fixed connection of connecting plate 17 has the first triangle-shaped piece 25 of the cooperation use of second triangle-shaped piece 26, the equal fixedly connected with go-between 12 in the both sides of valve body 1, and the screw thread has been seted up to the inner wall of go-between 12.

The working principle is as follows: when the valve needs to be opened, the rotating wheel 23 is manually rotated, the rotating wheel 23 rotates to drive the rotating shaft 22 to rotate, the rotating shaft 22 rotates to drive the second gear 21 to rotate, the second gear 21 rotates to drive the first gear 20 to rotate, the second gear 21 rotates to drive the threaded rod 19 to rotate, the threaded rod 19 rotates to drive the U-shaped plate 18 to move, the U-shaped plate 18 moves to drive the sliding plate 15 to slide, the sliding plate 15 slides to drive the shaft rod 13 to move, the shaft rod 13 moves to drive the circular platform-shaped sealing block 7 to move, the circular platform-shaped sealing block 7 moves to open the sealing of the circular platform-shaped through hole 4, the opening degree of the circular platform-shaped through hole 4 can be more accurately adjusted because the second gear 21 rotates three times, the rotating wheel 23 rotates reversely again, the rotating wheel 23 rotates to drive the sliding plate 15 to slide, and the sliding plate 15 slides to drive the connecting plate 17 to slide, the first triangular-shaped piece 25 of slip drive of connecting plate 17 removes, the removal of first triangular-shaped piece 25 drives the removal of second triangular-shaped piece 26, the removal of second triangular-shaped piece 26 drives kelly 27 and slides, kelly 27's slip drives baffle 29 and removes, when round platform shape through-hole 4 totally sealed up with round platform shape 7, conflict is just relieved with the bottom of cardboard 28 to baffle 29, the closing plate 9 takes place to slide under first spring 10's elasticity and carries out totally sealed with round hole 8, thereby carry out the auto-lock to the valve, can prevent that child's random rotation from rotating wheel 23, thereby open the valve, the security has been improved, also can strengthen the leakproofness of valve body 1, when opening the valve once more, pulling cardboard 28, it can with baffle 29 top counterbalance once more with cardboard 28 bottom.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A safety self-locking valve for a gas pipeline comprises a valve body (1) and is characterized in that a Z-shaped partition plate (2) and a circular plate (3) are fixedly arranged on the inner wall of the valve body (1) respectively, a circular truncated cone-shaped through hole (4) is formed in the Z-shaped partition plate (2), a housing (14) is fixedly connected to the outer wall of the top of the valve body (1), a sliding plate (15) is slidably connected to the inner wall of the housing (14), a shaft rod (13) is fixedly connected to the bottom of the sliding plate (15) and penetrates through the valve body (1) and extends into the valve body (1), a circular truncated cone-shaped sealing block (7) matched with the circular truncated cone-shaped through hole (4) for use is fixedly connected to the bottom of the shaft rod (13), an adjusting assembly for accurately adjusting the opening of the circular truncated cone-shaped through hole (4) is arranged on the housing (14), a circular hole (8) is formed in the circular plate (3), and a sealing plate (9) is slidably connected to one side, away from the Z-shaped partition plate (2), the valve body (1) is provided with a transmission assembly for driving the sealing plate (9) to slide.

2. The gas pipeline safety self-locking valve according to claim 1, wherein the adjusting assembly comprises a threaded rod (19) rotatably connected with the inner wall of the top of the housing (14), a U-shaped plate (18) fixedly connected with the bottom and the top of the sliding plate (15) is sleeved on the outer wall of the threaded rod (19), a first gear (20) is fixedly sleeved on the outer wall of the threaded rod (19), a fixed plate (24) is fixedly connected with the inner wall of one side of the housing (14), the top of the fixed plate (24) is rotatably connected with a rotating shaft (22) with the top extending to one side of the top of the housing (14) through the housing (14), a second gear (21) meshed with the first gear (20) is fixedly sleeved on the outer wall of the rotating shaft (22), and the number of teeth of the first gear (20) is three times that of the second gear (21).

3. The gas pipeline safety self-locking valve as claimed in claim 2, wherein a rotating wheel (23) is fixedly sleeved on the top of the rotating shaft (22), and an anti-skid sleeve is fixedly sleeved on the outer wall of the rotating wheel (23).

4. The safety self-locking valve for a gas pipeline as claimed in claim 1, wherein the outer wall of the truncated cone-shaped sealing block (7) is fixedly sleeved with a sealing ring (6), and the inner wall of the truncated cone-shaped through hole (4) is provided with an annular groove (5) matched with the sealing ring (6).

5. The gas pipeline safety self-locking valve according to claim 1, wherein the transmission assembly comprises a clamping rod (27) slidably connected with the outer wall of the top of the valve body (1), the outer wall of the clamping rod (27) and the outer wall of the top of the valve body (1) are fixedly connected with the same second spring (31), the top of the sealing plate (9) is fixedly connected with a connecting rod (11), the top of the connecting rod (11) penetrates through the valve body (1) and extends to one side of the top of the valve body (1) and is fixedly connected with a clamping plate (28), a second strip-shaped hole (30) is formed in the clamping plate (28), the top of the clamping rod (27) penetrates through the second strip-shaped hole (30) and extends to one side of the top of the clamping plate (28), the outer wall of the clamping rod (27) is fixedly connected with a baffle plate (29) which is abutted to the bottom of the clamping plate (28), and a first spring (10) in a compressed state is sleeved on the outer wall of the connecting rod (11), and two ends of the first spring (10) are respectively and fixedly connected with the inner wall of the top of the valve body (1) and the top of the sealing plate (9).

6. The safety self-locking valve for the gas pipeline as claimed in claim 5, wherein a second triangular block (26) is fixedly connected to the top of the clamping rod (27), a first strip-shaped hole (16) is formed in one side of the housing (14), a connecting plate (17) fixedly connected to one side of the sliding plate (15) and one side of the sliding plate (16) is slidably connected to the first strip-shaped hole (16), and a first triangular block (25) matched with the second triangular block (26) is fixedly connected to one side of the connecting plate (17).

7. The gas pipeline safety self-locking valve according to claim 1, wherein a connecting ring (12) is fixedly connected to each of two sides of the valve body (1), and the inner wall of the connecting ring (12) is threaded.