CN211203018U

CN211203018U - Prevent mistake and touch relief valve

Info

Publication number: CN211203018U
Application number: CN201921745194.2U
Authority: CN
Inventors: 司强
Original assignee: Zhangjiagang Kerun Low Temperature Valve Co ltd
Current assignee: Zhangjiagang Kerun Low Temperature Valve Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-08-07
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a prevent mistake and touch relief valve, including disk seat, valve gap and retaining member, the cavity has been seted up in the disk seat, the top of valve gap is equipped with and adjusts the mounting groove of pole adaptation, the external fixation of regulation pole has sealed lid, the outer wall integrated into one piece of sealed lid has the flange, and the below of flange is provided with the retaining member, the outer wall of valve gap is equipped with the pressure release pipe that is linked together with the pressure release chamber in the valve gap, the outside of pressure release pipe is provided with the fastener, the structure has the mounting hole with the guide bar adaptation in adjusting the pole, the bottom of adjusting the pole is fixed with first spring holder, the recoil dish is installed at the top of disk seat, install the valve top in the valve top lift chamber of valve gap, be provided with first spring holder and second spring holder in the valve gap, be provided with the spring between first spring. This prevent mistake and touch relief valve not only can prevent to touch the unexpected release that the sealed lid caused atmospheric pressure because of the mistake, has prolonged life moreover.

Description

Prevent mistake and touch relief valve

Technical Field

The utility model belongs to the technical field of the relief valve, concretely relates to prevent mistake and touch 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. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. In the process of actual use, the safety valve is easy to be touched by mistake, so that the pressure in the pipeline leaks or the fluid flows, and unnecessary waste is caused.

Therefore, in order to meet the current situation, the design and production of a false touch prevention safety valve are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent mistake and touch relief valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety valve for preventing accidental touch comprises a valve seat, a valve cover and a locking piece, wherein a cavity is formed in the valve seat, the top of the valve cover is provided with an installation groove matched with the adjusting rod, the outside of the adjusting rod is fixed with a sealing cover, the outer wall of the sealing cover is integrally formed with a flange, a locking piece is arranged below the flange, the outer wall of the valve cover is provided with a pressure relief pipe communicated with a pressure relief cavity in the valve cover, a fastener is arranged outside the pressure relief pipe, a mounting hole matched with the guide rod is formed in the adjusting rod, a first spring seat is fixed at the bottom of the adjusting rod, a recoil disc is arranged at the top of the valve seat, a valve top matched with the back-flushing disc is slidably arranged in a valve top lifting cavity of the valve cover, a groove matched with the bottom end of the guide rod is fixed on the top wall of the valve top, and a second spring seat is fixed at the bottom of the guide rod, and a spring is installed between the first spring seat and the second spring seat in a matching manner.

Preferably, the fastener includes snap ring, connecting bolt and locking lever, the snap ring is provided with two sets ofly, two sets of the both ends homogeneous body shaping of snap ring has the engaging lug, all sets up the screw with the connecting bolt adaptation in four sets of engaging lugs, and is two sets of the inside of snap ring all bores the screw that is equipped with two sets ofly and locking lever adaptation, and four sets of the tip of locking lever all bonds there is the cushion.

Preferably, the retaining member includes inserted bar, connecting block and pull ring, one side integrated into one piece of connecting block has the connection piece that has the through-hole, the inside of connecting block bore be equipped with the through-hole of inserted bar adaptation, the one end integrated into one piece of connecting block has the pull ring, the other end and the fixture block threaded connection of inserted bar, the outside cover of inserted bar has the pressure spring.

Preferably, the bottom wall of the flange is provided with a plurality of groups of clamping grooves matched with the end parts of the clamping blocks, and the connecting block is fixed on the outer wall of the valve cover through screws.

Preferably, the outer wall of the pressure release pipe is provided with a plurality of groups of anti-skidding protrusions, and the outer wall of the valve cover is coated with anti-rust paint.

The utility model discloses a technological effect and advantage: according to the anti-false-touch safety valve, the inserting rod is pulled, the end part of the clamping block is separated from the clamping groove of the bottom wall of the flange, the sealing cover can be rotated, when the sealing cover does not need to be rotated, the clamping block is clamped into the clamping groove of the bottom wall of the flange through the pressure spring outside the inserting rod, and the sealing cover can be prevented from being mistakenly touched to cause accidental pressure leakage or accidental fluid circulation; the locking rod is rotated to drive the rubber pad to move, so that the rubber pad can be tightly attached to the pressure relief pipe or an external pipeline, and the firmness of the joint of the pipeline is improved; the guide bar drives the spring and takes place deformation, the lift space of valve top has been increased, the height of opening of valve top has been promoted, the single discharge of valve has been promoted simultaneously, reduce the pipeline or the super high scheduling problem of storage tank internal pressure that arouse because of valve discharge rate is not enough, and the frequency of opening of valve top has been reduced, the life of valve top and the sealed face of disk seat has been improved, this prevent mistake and touch the relief valve, not only can prevent to touch the unexpected release that sealed lid caused atmospheric pressure because of the mistake, and life has been prolonged.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a side view of the fastener of the present invention;

FIG. 3 is a front view of the locking member of the present invention;

fig. 4 is a schematic structural view of the insert rod of the present invention.

In the figure: the device comprises a valve seat 1, a valve cover 2, a pressure relief pipe 20, a fastener 3, a snap ring 30, a connecting bolt 31, a locking rod 32, a guide rod 4, a sealing cover 5, a regulating rod 50, a locking member 6, an inserted rod 60, a connecting block 61, a pull ring 62, a clamping block 63, a mounting hole 7, a first spring seat 8, a spring 9, a second spring seat 10, a valve top 11 and a recoil disc 12.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a prevent mistake and touch relief valve as shown in figures 1-4, including disk seat 1, valve gap 2 and retaining member 6, the cavity has been seted up in the disk seat 1, the top of valve gap 2 is equipped with the mounting groove 7 with adjusting pole 50 adaptation, the outside of adjusting pole 50 is fixed with sealed lid 5, the outer wall integrated into one piece of sealed lid 5 has the flange, the below of flange is provided with retaining member 6, the outer wall of valve gap 2 is equipped with the pressure release pipe 20 that is linked together with the pressure release chamber in the valve gap 2, the outside of pressure release pipe 20 is provided with fastener 3, the mounting hole that has the adaptation with guide bar 4 is constructed in adjusting pole 50, the bottom of adjusting pole 50 is fixed with first spring holder 8, recoil dish 12 is installed at the top of disk seat 1, slidable mounting has the valve top 11 with recoil dish 12 matched with in the valve top lift chamber of valve gap 2, the roof of valve top 11 is fixed with the recess of bottom adaptation with guide bar 4, and a second spring seat 10 is fixed at the bottom of the guide rod 4, and a spring 9 is installed between the first spring seat 8 and the second spring seat 10 in a matching manner.

Specifically, fastener 3 includes snap ring 30, connecting bolt 31 and locking lever 32, snap ring 30 is provided with two sets ofly, and is two sets of the equal integrated into one piece in both ends of snap ring 30 has the engaging lug, all sets up the screw with connecting bolt 31 adaptation in four groups of engaging lugs, and is two sets of the screw that is equipped with two sets ofly and locking lever 32 adaptation is all bored to snap ring 30's inside, and four groups locking lever 32's tip all bonds and has had the cushion, and rotatory locking lever 32, locking lever 32 drive the cushion and remove, can make the cushion hug closely pressure release pipe 20 or outside pipeline, have improved the firm degree of pipe joint department.

Concretely, retaining member 6 includes inserted bar 60, connecting block 61 and pull ring 62, one side integrated into one piece of connecting block 61 has the connection piece that has the through-hole, the inside of connecting block 61 is bored and is equipped with the through-hole with inserted bar 60 adaptation, the one end integrated into one piece of connecting block 61 has pull ring 62, the other end and the fixture block 63 threaded connection of inserted bar 60, the outside cover of inserted bar 60 has the pressure spring, stimulates inserted bar 60, and the tip of fixture block 63 breaks away from in the draw-in groove of flange diapire, can swivel seal lid 5, and when needing not swivel seal lid 5, the outside pressure spring of inserted bar 60 makes fixture block 63 card go into the draw-in groove of flange diapire, can prevent that sealed lid 5 from being touched by the mistake and causing the leakage of pipeline internal pressure or.

Specifically, the bottom wall of the flange is provided with a plurality of groups of clamping grooves matched with the end parts of the clamping blocks 63, and the connecting block 61 is fixed on the outer wall of the valve cover 2 through screws.

Specifically, the outer wall of the pressure release pipe 20 is provided with a plurality of groups of anti-skidding protrusions, the outer wall of the valve cover 2 is coated with antirust paint, and the antirust paint is red lead antirust paint.

Specifically, this prevent mistake and touch the relief valve, rotatory locking lever 32, locking lever 32 drives the cushion and removes, can make the cushion hug closely pressure release pipe 20 or outside pipeline, the firm degree of pipe joint department has been improved, pulling inserted bar 60, the tip of fixture block 63 breaks away from in the draw-in groove of flange diapire, can the rotary seal lid 5, when need not the rotary seal lid 5, the outside pressure spring of inserted bar 60 makes fixture block 63 card go into the draw-in groove of flange diapire, can prevent that sealed lid 5 from being touched by the mistake and causing the unexpected release of pressure or the unexpected circulation of fluid.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a prevent mistake and touch relief valve, includes disk seat (1), valve gap (2) and retaining member (6), its characterized in that: the improved valve is characterized in that a cavity is formed in the valve seat (1), a mounting groove (7) matched with the adjusting rod (50) is formed in the top of the valve cover (2), a sealing cover (5) is fixed outside the adjusting rod (50), a flange is integrally formed on the outer wall of the sealing cover (5), a locking part (6) is arranged below the flange, a pressure relief pipe (20) communicated with a pressure relief cavity in the valve cover (2) is arranged on the outer wall of the valve cover (2), a fastening piece (3) is arranged outside the pressure relief pipe (20), a mounting hole matched with the guide rod (4) is formed in the adjusting rod (50), a first spring seat (8) is fixed at the bottom of the adjusting rod (50), a recoil disc (12) is installed at the top of the valve seat (1), and a valve top (11) matched with the recoil disc (12) is slidably installed in a valve top lifting cavity of the valve cover (2), the top wall of the valve top (11) is fixed with a groove matched with the bottom end of the guide rod (4), the bottom of the guide rod (4) is fixed with a second spring seat (10), and a spring (9) is installed between the first spring seat (8) and the second spring seat (10) in a matched mode.

2. The safety valve of claim 1, wherein: fastener (3) include snap ring (30), connecting bolt (31) and locking lever (32), snap ring (30) are provided with two sets ofly, and are two sets of the equal integrated into one piece in both ends of snap ring (30) has the engaging lug, all sets up the screw with connecting bolt (31) adaptation in four groups of engaging lugs, and is two sets of the inside of snap ring (30) all bores the screw that is equipped with two sets of and locking lever (32) adaptation, and four groups the tip of locking lever (32) all bonds and has the cushion.

3. The safety valve of claim 1, wherein: retaining member (6) are including inserted bar (60), connecting block (61) and pull ring (62), one side integrated into one piece of connecting block (61) has the connection piece that has the through-hole, the inside of connecting block (61) is bored and is equipped with the through-hole with inserted bar (60) adaptation, the one end integrated into one piece of connecting block (61) has pull ring (62), the other end and fixture block (63) threaded connection of inserted bar (60), the outside cover of inserted bar (60) has the pressure spring.

4. The safety valve of claim 3, wherein: the bottom wall of the flange is provided with a plurality of groups of clamping grooves matched with the end parts of the clamping blocks (63), and the connecting blocks (61) are fixed on the outer wall of the valve cover (2) through screws.

5. The safety valve of claim 1, wherein: the outer wall of the pressure relief pipe (20) is provided with a plurality of groups of anti-skidding protrusions, and the outer wall of the valve cover (2) is coated with antirust paint.