CN211175523U

CN211175523U - Stainless steel external thread right angle relief valve

Info

Publication number: CN211175523U
Application number: CN201922237375.0U
Authority: CN
Inventors: 谭学广
Original assignee: Qingdao Huanghai Ship Used Valve Co ltd
Current assignee: Qingdao Huanghai Ship Used Valve Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-04
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a stainless steel external screw thread right angle relief valve, which comprises a valve body, the top of valve body is provided with the spiral groove, the inner chamber threaded connection of spiral groove has the screw rod, the bottom fixed mounting of screw rod has the connecting plate, the equal fixed mounting in both ends has the landing leg about the connecting plate bottom, the bottom of landing leg is provided with the second slider, first spout has all been seted up to the left and right sides of valve body inner chamber, the inner chamber sliding connection of first spout has first slider, one side that first spout was kept away from to first slider has the push pedal through support fixed mounting, and the second spout that uses with the cooperation of second slider is seted up at the top of push pedal. The utility model discloses set up valve body, spacing collar, piston, fixture block, pressure boost spring, push pedal, screw rod, spiral groove, first spout, lug, discharge port, second spout, second slider and first slider, solved current spring relief valve and be not convenient for the regulation pressure value, adjust comparatively troublesome problem.

Description

Stainless steel external thread right angle relief valve

Technical Field

The utility model relates to a relief valve technical field specifically is a stainless steel external screw thread right angle relief valve.

Background

The safety valve is that the opening and closing piece is in a normally closed state under the action of external force, when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the safety valve is a special valve which can prevent the medium pressure in the pipeline or equipment from exceeding the specified value by discharging the medium to the outside of the system, belongs to the automatic valve class, is mainly used on boilers, pressure vessels and pipelines, controls the pressure not to exceed the specified value, the safety valve plays an important role in protecting personal safety and equipment operation, is generally divided into a spring safety valve, a lever safety valve and a pulse safety valve according to the structural form, wherein the spring type safety valve is most commonly applied and is divided into a thread safety valve and a flange safety valve according to the connection mode, the spring type safety valve needs to set a pressure value before use, however, the existing spring type safety valve is inconvenient for adjusting the pressure value and troublesome to adjust, and therefore a stainless steel external thread right-angle safety valve is provided.

Disclosure of Invention

An object of the utility model is to provide a stainless steel external screw thread right angle relief valve possesses the advantage of the regulated pressure value of being convenient for, has solved the regulated pressure value of being not convenient for of current spring relief valve, adjusts comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stainless steel external screw thread right angle relief valve, includes the valve body, the top of valve body is provided with the spiral groove, the inner chamber threaded connection of spiral groove has the screw rod, the bottom fixed mounting of screw rod has the connecting plate, the equal fixed mounting in both ends has the landing leg about the connecting plate bottom, the bottom of landing leg is provided with the second slider, first spout has all been seted up to the left and right sides of valve body inner chamber, the inner chamber sliding connection of first spout has first slider, one side that first spout was kept away from to first slider has the push pedal through support fixed mounting, the second spout that uses with the cooperation of second slider is seted up at the top of push pedal, the bottom fixedly connected with pressure boost spring of push pedal, pressure boost spring's bottom fixed mounting has the.

Preferably, the top and the bottom of the pressurizing spring are fixedly provided with clamping blocks, and the bottom of the push plate and the top of the piston are provided with clamping grooves matched with the clamping blocks for use.

Preferably, the middle end of the inner cavity of the valve body is fixedly provided with a limiting ring, and the limiting ring is of a circular ring structure.

Preferably, a convex block is arranged on the right side of the valve body, and a discharge port is formed in an inner cavity of the convex block.

Preferably, a threaded opening is formed in the bottom end of the surface of the valve body, and a rotating disc is fixedly mounted at the top of the screw rod.

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

1. the utility model discloses a screwed hole can install the valve body in the position that needs use, when the valve body internal pressure is greater than pressure spring's elasticity, the piston is upwards backed down, it is external that gas is by discharge port exhaust valve, reach the effect of pressure release, when the pressure value that the piston receives needs to strengthen, twist and move the capstan, the capstan drives the screw rod rotatory, the screw rod drives the connecting plate rotation, the connecting plate drives the landing leg rotation, the landing leg drives the second slider at second spout internal rotation, the effect that the screw rod passes through the spiral groove can the downstream, thereby make the second slider promote the push pedal downstream, the push pedal compresses pressure spring, pressure spring increases pressure to the piston, when needs reduce the pressure value, reverse twist move the capstan can, the pressure value is not convenient for to adjust to current spring relief valve, adjust comparatively troublesome problem.

2. The utility model discloses set up support, first slider and first spout, can stabilize when making the push pedal reciprocate, set up the spacing collar, can make the piston can not the downstream, set up the fixture block, can make pressure spring more firm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic view of the push plate of the present invention showing a top view.

In the figure: 1. a valve body; 2. a threaded opening; 3. a limiting ring; 4. a piston; 5. a clamping block; 6. a pressurizing spring; 7. pushing the plate; 8. a support leg; 9. a connecting plate; 10. rotating the disc; 11. a screw; 12. a screw groove; 13. a support; 14. a first chute; 15. a bump; 16. a discharge port; 17. a second chute; 18. a second slider; 19. a first slider.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a valve body 1, screw thread mouth 2, spacing collar 3, piston 4, fixture block 5, pressure boost spring 6, push pedal 7, landing leg 8, connecting plate 9, capstan 10, screw rod 11, spiral groove 12, support 13, first spout 14, lug 15, discharge port 16, second spout 17, second slider 18 and 19 parts of first slider are the parts that general standard or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a stainless steel external thread right angle safety valve comprises a valve body 1, a convex block 15 is arranged on the right side of the valve body 1, a discharge port 16 is arranged in the inner cavity of the convex block 15, a spacing ring 3 is fixedly arranged at the middle end of the inner cavity of the valve body 1, the spacing ring 3 is of a circular ring structure and can prevent a piston 4 from moving downwards, a screw groove 12 is arranged at the top of the valve body 1, a screw 11 is connected with the inner cavity of the screw groove 12 in a threaded manner, a threaded port 2 is arranged at the bottom end of the surface of the valve body 1, a rotary disc 10 is fixedly arranged at the top of the screw 11, a connecting plate 9 is fixedly arranged at the bottom of the screw 11, supporting legs 8 are fixedly arranged at the left end and the right end of the bottom of the connecting plate 9, a second slide block 18 is arranged at the bottom of the supporting legs 8, first slide grooves 14 are arranged at the left side and the, when the pressure value of the piston 4 needs to be increased, the rotary disc 10 is screwed, the rotary disc 10 drives the screw rod 11 to rotate, the screw rod 11 drives the connecting plate 9 to rotate, the connecting plate 9 drives the supporting leg 8 to rotate, landing leg 8 drives second slider 18 at the 17 internal rotations of second spout, and screw rod 11 can move down through the effect of spiral groove 12 to make second slider 18 promote push pedal 7 and move down, push pedal 7 compresses pressure boost spring 6, and pressure boost spring 6 increases pressure to piston 4, when needs reduce the pressure value, reverse twist move the capstan 10 can, solved current spring relief valve and be not convenient for adjust the pressure value, adjust comparatively troublesome problem.

When the pressure relief valve is used, the valve body 1 can be installed at a position needing to be used through the threaded opening 2, when the pressure in the valve body 1 is larger than the elastic force of the pressurizing spring 6, the piston 4 is pushed upwards, gas is discharged out of the valve body 1 through the discharge opening 16, the pressure relief effect is achieved, when the pressure value borne by the piston 4 needs to be increased, the rotary disc 10 is screwed, the rotary disc 10 drives the screw rod 11 to rotate, the screw rod 11 drives the connecting plate 9 to rotate, the connecting plate 9 drives the supporting legs 8 to rotate, the supporting legs 8 drive the second sliding block 18 to rotate in the second sliding grooves 17, the screw rod 11 can move downwards under the action of the screw grooves 12, so that the second sliding block 18 pushes the push plate 7 to move downwards, the pressurizing spring 6 is compressed by the push plate 7, the pressurizing spring 6 increases the pressure on the piston 4, when the pressure value needs to be reduced, the rotary disc 10 can be screwed reversely, the support 13, the first sliding, set up spacing collar 3, can make piston 4 can not the downstream, set up fixture block 5, can make pressure boost spring 6 more firm, solved current spring relief valve and be not convenient for adjust the pressure value, adjust comparatively troublesome problem.

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 a stainless steel external screw thread right angle relief valve, includes valve body (1), its characterized in that: the top of the valve body (1) is provided with a spiral groove (12), the inner cavity of the spiral groove (12) is in threaded connection with a screw rod (11), the bottom of the screw rod (11) is fixedly provided with a connecting plate (9), the left end and the right end of the bottom of the connecting plate (9) are both fixedly provided with supporting legs (8), the bottom of each supporting leg (8) is provided with a second sliding block (18), the left side and the right side of the inner cavity of the valve body (1) are both provided with first sliding grooves (14), the inner cavity of each first sliding groove (14) is in sliding connection with a first sliding block (19), one side, away from the first sliding grooves (14), of each first sliding block (19) is fixedly provided with a push plate (7) through a support (13), the top of each push plate (7) is provided with a second sliding groove (17) matched with the second sliding blocks (18) for, and a piston (4) is fixedly arranged at the bottom of the pressurizing spring (6).

2. The stainless steel externally threaded right angle relief valve of claim 1, wherein: the top and the bottom of pressure boost spring (6) are all fixed mounting have fixture block (5), the draw-in groove of using with fixture block (5) cooperation has all been seted up to the bottom of push pedal (7) and the top of piston (4).

3. The stainless steel externally threaded right angle relief valve of claim 1, wherein: the middle end of the inner cavity of the valve body (1) is fixedly provided with a limiting ring (3), and the limiting ring (3) is of a circular ring structure.

4. The stainless steel externally threaded right angle relief valve of claim 1, wherein: a convex block (15) is arranged on the right side of the valve body (1), and a discharge port (16) is formed in the inner cavity of the convex block (15).

5. The stainless steel externally threaded right angle relief valve of claim 1, wherein: the bottom end of the surface of the valve body (1) is provided with a threaded opening (2), and the top of the screw rod (11) is fixedly provided with a rotary disc (10).