CN212273172U

CN212273172U - Hard seal safety valve

Info

Publication number: CN212273172U
Application number: CN202021000674.9U
Authority: CN
Inventors: 张健熙; 谢德武; 葛超众; 董丰
Original assignee: Henghua Valve Co ltd
Current assignee: Henghua Valve Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-01
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to the technical field of safety valves, in particular to a hard sealing safety valve, which comprises a valve body, wherein an air inlet pipe is arranged on the outer wall of the bottom of the valve body close to the central position, a connecting piece is arranged at the bottom end of the air inlet pipe, an air outlet pipe is arranged on the outer wall of the circumference of the valve body, a threaded hole is arranged on the outer wall of the circumference of the air outlet pipe, a noise whistle is arranged on the threaded hole, a connecting block is arranged at the bottom end of the noise whistle, a sound-producing opening is arranged on the outer wall of the noise whistle, an opening is arranged on the outer wall of the top of the valve body close to the central position, a nut is tightly welded on the inner wall of the opening, a threaded rod is arranged in the nut, a handle is welded at the top end of the threaded rod, a connecting plate is, the safety performance is high.

Description

Hard seal safety valve

Technical Field

The utility model relates to a relief valve technical field specifically is a hard seal relief valve.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. However, the safety valve used at present is poor in sealing effect, and when the safety valve discharges media outwards, the safety valve cannot be found by workers in time, so that potential safety hazards are easy to occur. In view of this, we propose a hard seal safety valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief valve seals firmly 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 hard sealing safety valve comprises a valve body, wherein an air inlet pipe is arranged on the outer wall of the bottom of the valve body close to the central position, a connecting piece is arranged at the bottom end of the air inlet pipe, an air outlet pipe is arranged on the outer wall of the circumference of the valve body, a threaded hole is formed in the outer wall of the circumference of the air outlet pipe, a noise whistle is arranged on the threaded hole, a connecting block is arranged at the bottom end of the noise whistle, a sound-producing opening is formed in the outer wall of the noise whistle, an opening is formed in the outer wall of the top of the valve body close to the central position, a nut is tightly welded on the inner wall of the opening, a threaded rod is arranged in the nut, a handle is welded at the top end of the threaded rod, a connecting plate is fixed at the bottom end of the threaded rod through a bolt, a guide rod, the bottom outer wall of the second sealing block is provided with a convex block, the bottom of the convex block is also provided with a bulge, a first sealing block is arranged below the second sealing block, the top outer wall of the first sealing block is provided with a groove, and the bottom inner wall of the groove is provided with a through hole.

Preferably, the connecting block and the noise whistle are of an integrally formed structure, and the connecting block is in threaded connection with the threaded hole.

Preferably, the first sealing block is fixed on the inner wall of the bottom of the valve body through a bolt.

Preferably, the second sealing block, the bump and the protrusion are of an integrally formed structure, the spring and the guide rod are in sleeve fit, and the top end of the spring is welded on the pressing plate.

Preferably, the threaded rod is in threaded connection with the nut.

Preferably, the protrusions are in plug-in fit with the through holes and the bumps are in plug-in fit with the grooves.

Compared with the prior art, the beneficial effects of the utility model are that: according to the hard sealing safety valve, the first sealing block and the second sealing block can well seal the air inlet through the arrangement of the first sealing block, the groove, the through hole, the second sealing block, the bump and the protrusion, so that the air leakage phenomenon is prevented; through the setting of noise whistle and pronunciation mouth, when the too big emergence gas leakage of valve body internal pressure, gaseous ventilating in to the noise whistle can send out the noise from pronunciation mouth department, and the staff's of being convenient for is timely discovery for the processing speed, and the security is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in partial section;

fig. 3 is a schematic structural diagram of a first sealing block in the present invention;

fig. 4 is a schematic structural diagram of a second sealing block in the present invention;

fig. 5 is a schematic structural view of the whistle of the present invention.

In the figure: 1. a valve body; 10. an air inlet pipe; 11. a connecting member; 12. an air outlet pipe; 120. a threaded hole; 13. a threaded rod; 130. a handle; 14. a nut; 15. a connecting plate; 150. a guide bar; 16. a spring; 17. a first seal block; 170. a groove; 171. a through hole; 18. a second seal block; 180. a bump; 181. a protrusion; 19. pressing a plate; 2. a noise whistle; 20. a sound opening; 21. and (4) connecting the blocks.

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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a hard sealing safety valve comprises a valve body 1, wherein an air inlet pipe 10 is arranged on the outer wall of the bottom of the valve body 1 close to the central position, a connecting piece 11 is arranged at the bottom end of the air inlet pipe 10, an air outlet pipe 12 is arranged on the outer wall of the circumference of the valve body 1, a threaded hole 120 is formed in the outer wall of the circumference of the air outlet pipe 12, a noise whistle 2 is arranged on the threaded hole 120, a connecting block 21 is arranged at the bottom end of the noise whistle 2, a sounding port 20 is formed in the outer wall of the noise whistle 2, an opening is formed in the outer wall of the top of the valve body 1 close to the central position, a nut 14 is tightly welded on the inner wall of the opening, a threaded rod 13 is arranged in the nut 14, a handle 130 is welded at the top end of the threaded rod 13, a connecting plate 15 is fixed at the bottom end of the threaded rod 13, the outer wall of the bottom of the second sealing block 18 is provided with a bump 180, the bottom of the bump 180 is further provided with a protrusion 181, the lower portion of the second sealing block 18 is provided with a first sealing block 17, the outer wall of the top of the first sealing block 17 is provided with a groove 170, and the inner wall of the bottom of the groove 170 is provided with a through hole 171.

In this embodiment, the connecting block 21 and the noise whistle 2 are integrally formed, so that the connecting block 21 is stably fixed on the noise whistle 2, and the connecting block 21 is in threaded connection with the threaded hole 120, so that the noise whistle 2 can be stably fixed on the air outlet pipe 12, and meanwhile, the noise whistle 2 can be conveniently replaced.

Specifically, the first sealing block 17 is fixed on the inner wall of the bottom of the valve body 1 through a bolt, so that the first sealing block 17 can be stably fixed on the valve body 1.

Further, second sealed piece 18, lug 180 and arch 181 are integrated into one piece structure, make second sealed piece 18, the connection is more firm between lug 180 and the arch 181, cup joint the cooperation between spring 16 and the guide arm 150, the top welding of spring 16 is on clamp plate 19, can drive threaded rod 13 through turning handle 130 and rotate in nut 14, can adjust the height of threaded rod 13, thereby can adjust connecting plate 15, guide arm 150 and clamp plate 19 height, compress spring 16 through clamp plate 19, extrude second sealed piece 18 through spring 16, can seal the air inlet.

In addition, the threaded rod 13 is in threaded connection with the nut 14, and the handle 130 can be rotated to drive the threaded rod 13 to rotate in the nut 14, so that the height of the threaded rod 13 can be conveniently controlled.

It should be noted that, the protrusions 181 are inserted into the through holes 171, and the protrusions 180 are inserted into the grooves 170, so that the first sealing block 17 and the second sealing block 18 can be attached more tightly, and the sealing effect is enhanced.

It should be noted that the first sealing block 17 and the second sealing block 18 are made of rubber material, and have good sealing performance.

When the hard seal safety valve of this embodiment is in use, handle 130 is rotated earlier and threaded rod 13 can be driven in nut 14 internal rotation, can adjust threaded rod 13's height, thereby can be to connecting plate 15, guide arm 150 and clamp plate 19 height are adjusted, compress spring 16 through clamp plate 19, extrude second seal block 18 through spring 16, make protruding 181 insert in the through-hole 171, lug 180 inserts in recess 170, make first seal block 17 and second seal block 18 closely laminate, seal the air inlet, when the interior gas pressure of valve body 1 exceeded regulation numerical value, the gas can be with second seal block 18 jack-up break away from first seal block 17, the gas can spill from outlet duct 12, thereby play the guard action, a part of gas gets into in noise whistle 2 simultaneously, send out the noise through pronunciation mouth 20, the timely discovery of staff of being convenient for is handled.

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 hard seal relief valve, includes valve body (1), its characterized in that: the bottom outer wall of the valve body (1) is provided with an air inlet pipe (10) close to the central position, the bottom end of the air inlet pipe (10) is provided with a connecting piece (11), the circumference outer wall of the valve body (1) is provided with an air outlet pipe (12), the circumference outer wall of the air outlet pipe (12) is provided with a threaded hole (120), the threaded hole (120) is provided with a noise whistle (2), the bottom end of the noise whistle (2) is provided with a connecting block (21), the outer wall of the noise whistle (2) is provided with a sounding port (20), the top outer wall of the valve body (1) is provided with an opening close to the central position, the inner wall of the opening is tightly welded with a nut (14), the nut (14) is internally provided with a threaded rod (13), the top end of the threaded rod (13) is welded with a handle (130), and the bottom, the bottom of connecting plate (15) is equipped with guide arm (150), the welding has clamp plate (19) on guide arm (150), the below of guide arm (150) is equipped with spring (16), the bottom of spring (16) is passed through the bolt fastening and is had second sealed piece (18), be equipped with lug (180) on the bottom outer wall of second sealed piece (18), the bottom of lug (180) still is equipped with arch (181), the below of second sealed piece (18) is equipped with first sealed piece (17), set up on the top outer wall of first sealed piece (17) recess (170), through-hole (171) have been seted up on the bottom inner wall of recess (170).

2. The hard-seal safety valve of claim 1, wherein: the connecting block (21) and the noise whistle (2) are of an integrally formed structure, and the connecting block (21) is in threaded connection with the threaded hole (120).

3. The hard-seal safety valve of claim 1, wherein: the first sealing block (17) is fixed on the inner wall of the bottom of the valve body (1) through a bolt.

4. The hard-seal safety valve of claim 1, wherein: the second sealing block (18), the convex block (180) and the protrusion (181) are of an integrally formed structure, the spring (16) and the guide rod (150) are in sleeved fit, and the top end of the spring (16) is welded on the pressure plate (19).

5. The hard-seal safety valve of claim 1, wherein: the threaded rod (13) is in threaded connection with the nut (14).

6. The hard-seal safety valve of claim 1, wherein: the protrusions (181) and the through holes (171) and the bumps (180) and the grooves (170) are in plug fit.