CN209484009U

CN209484009U - A kind of Self-close type gas safety explosion releasing valve

Info

Publication number: CN209484009U
Application number: CN201821377789.2U
Authority: CN
Inventors: 张健
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-04
Filing date: 2019-05-04
Publication date: 2019-10-11
Anticipated expiration: 2029-05-04

Abstract

The utility model discloses a kind of Self-close type gas safety explosion releasing valves, it is related to explosion venting valve technical field, the Self-close type gas safety explosion releasing valve, including round tube, first flange, second flange and explosion-proof diaphragm, the explosion-proof diaphragm is between first flange and second flange, it is fixedly connected on the left of the right end of the round tube and first flange, round bar is fixedly connected on the left of the second flange, the right side opening of the first flange is equipped with through slot, the right end of the round tube offers circular groove, the inner wall of the through slot and circular groove is connect with the surface activity of round bar, the inside of the round tube offers the first groove, first groove is connected with circular groove.The utility model passes through the first annulus of setting, latch segment, round bar, gear and T-bar, the Self-close type gas safety explosion releasing valve of current majority is solved when replacing to the explosion-proof diaphragm after using, the problem of needing to remove more bolt, being more troublesome so as to cause the replacement of explosion-proof diaphragm.

Description

A kind of Self-close type gas safety explosion releasing valve

Technical field

The utility model relates to explosion venting valve technical field, specially a kind of Self-close type gas safety explosion releasing valve.

Background technique

In the equipment of some inflammable and explosive media, gas piping are run, due to items such as electrostatic that may be present, open fires Part is caused equipment or gas piping to be generated destruction due to superpressure, causes property in addition most probably exploding under aerobic conditions Loss and casualties, to prevent equipment or gas piping because superpressure is destroyed, the method currently generallyd use is overpressure relief Technology, when pressure reaches the pressure that explosion-proof diaphragm is born in equipment or gas piping, explosion-proof rupture of diaphragm is released super in time Medium is pressed, pressure in equipment or gas piping is reduced and is set caused by being exploded as combustible medium to protect equipment or gas piping Standby or gas piping superpressure, its main feature is that rapidly boosting, explosion is fierce, needs in time by pressure venting, in order in time by superpressure It releases away, what is generallyd use is Self-close type gas safety explosion releasing valve.

Most Self-close type gas safety explosion releasing valves will need after the pressure venting in equipment or pipeline to rupture pressure disc at present Piece is replaced, and in replacement, needs to fix the disassembling bolts on two flanges of explosion-proof diaphragm, and the quantity of bolt is more, from And the replacement of explosion-proof diaphragm is caused to be more troublesome.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of Self-close type gas safety explosion releasing valve, solves mesh The Self-close type gas safety explosion releasing valve of preceding majority needs to remove more spiral shell when replacing to the explosion-proof diaphragm after using Bolt, the problem of being more troublesome so as to cause the replacement of explosion-proof diaphragm.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of Self-close type gas safety explosion releasing valve, packet Round tube, first flange, second flange and explosion-proof diaphragm are included, the explosion-proof diaphragm is between first flange and second flange, institute It states and is fixedly connected on the left of the right end and first flange of round tube, be fixedly connected with round bar on the left of the second flange, described The right side opening of one flange is equipped with through slot, and the right end of the round tube offers circular groove, and the inner wall of the through slot and circular groove is and round bar Surface activity connection, the inside of the round tube offers the first groove, and first groove is connected with circular groove, the round tube Side surface offer annular groove, the inner wall of the annular groove is connect with the surface activity of the first annulus, first annulus Inner wall is fixedly connected with latch segment, and the side far from the first annulus of the latch segment through round tube and extends to the first groove Inside, the side surface of the round bar offer the second groove, and the inner wall of second groove and the surface of latch segment overlap, described The side surface of round tube is fixedly connected with straight pin, and the straight pin is located at the left side of the first annulus, and the surface of the straight pin is living It is dynamic to be socketed with gear, it is fixedly connected with crank at the top of the gear, tooth socket, the tooth are offered on the left of first annulus Wheel is engaged with the inner wall of tooth socket, and the side surface of the round tube is fixedly connected with fixed block, and the fixed block is located at a left side for straight pin Side, the inside of the fixed block offer cavity, and the two sides of the cavity inner wall offer square groove, the inner wall of the square groove with The surface activity of T-bar connects, and the right end of the T-bar is plugged between two teeth of gear, the right side of the cavity inner wall Side and the right side of the second annulus overlap, and second annulus is fixedly attached to the surface of T-bar, and the left side of second annulus is solid Surely it is connected with spring, the spring is actively socketed on the surface of T-bar, takes on the left of the left end of the spring and cavity inner wall It connects.

Preferably, the left side of the explosion-proof diaphragm and the right side of first flange right side and left side with the first gasket respectively Overlap joint, the right side of the explosion-proof diaphragm and the left side of second flange are overlapped with the left and right side of the second gasket respectively, described First gasket and the second gasket are actively socketed on the surface of round bar.

Preferably, the surface fixing sleeve of the T-bar is connected to square, the side surface of the square and the inner wall activity of square groove Connection.

Preferably, the left side of second groove inner wall is inclined-plane, the shape of the shape of the latch segment and the second groove It is adapted.

Preferably, the tooth of the gear is helical teeth, and the shape of the T-bar is adapted with the shape of gear.

(3) beneficial effect

The utility model provides a kind of Self-close type gas safety explosion releasing valve, have it is following the utility model has the advantages that

The utility model is by the first annulus of setting, latch segment, round bar, gear and T-bar, when in use, to rupture pressure disc When piece is replaced, crank rotate gear, the tooth socket engagement of gear and the first annulus are held, gear drives the rotation of the first annulus, Latch segment and round bar separation, pull second flange, round bar are pulled out from round tube and first flange, the explosion-proof diaphragm after using Replacement, holds crank rotate gear, so that the first annulus is driven latch segment movement, latch segment and round bar separation, has reached and more relieved a garrison The more convenient effect of quick-fried diaphragm solves the Self-close type gas safety explosion releasing valve of current majority to the explosion-proof diaphragm after using The problem of when being replaced, needing to remove more bolt, being more troublesome so as to cause the replacement of explosion-proof diaphragm.

Detailed description of the invention

Fig. 1 is the utility model front elevational view；

Fig. 2 is schematic enlarged-scale view at A in the utility model Fig. 1；

Fig. 3 is that figure is cutd open on a left side at the utility model latch segment position；

Fig. 4 is schematic enlarged-scale view at B in the utility model Fig. 3；

Fig. 5 is the utility model gear position top cross-sectional view；

Fig. 6 is top cross-sectional view at the utility model round bar position.

In figure: 1 round tube, 2 first flanges, 3 second flanges, 4 explosion-proof diaphragms, 5 round bars, 6 through slots, 7 circular grooves, 8 first grooves, 9 annular grooves, 10 first annulus, 11 latch segments, 12 second grooves, 13 straight pins, 14 gears, 15 cranks, 16 tooth sockets, 17 are fixed Block, 18 cavitys, 19 square grooves, 20T shape bar, 21 second annulus, 22 springs, 23 first gaskets, 24 second gaskets, 25 squares.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in figures 1 to 6, the utility model provides a kind of technical solution: a kind of Self-close type gas safety explosion releasing valve, including Round tube 1, first flange 2, second flange 3 and explosion-proof diaphragm 4, explosion-proof diaphragm 4 is between first flange 2 and second flange 3, circle The right end of pipe 1 is fixedly connected with the left side of first flange 2, and the left side of second flange 3 is fixedly connected with round bar 5, first flange 2 Right side opening is equipped with through slot 6, and the right end of round tube 1 offers circular groove 7, surface activity of the inner wall of through slot 6 and circular groove 7 with round bar 5 Connection, the inside of round tube 1 offer the first groove 8, and the first groove 8 is connected with circular groove 7, and the side surface of round tube 1 offers ring Shape slot 9, annular groove 9 and round tube 1 are concentric, and the inner wall of annular groove 9 is connect with the surface activity of the first annulus 10, the first annulus 10 Inner wall is fixedly connected with latch segment 11, and the side far from the first annulus 10 of latch segment 11 is through round tube 1 and to extend to first recessed The inside of slot 8, the side surface of round bar 5 offer the second groove 12, and the inner wall of the second groove 12 and the surface of latch segment 11 overlap, The side surface of round tube 1 is fixedly connected with straight pin 13, and straight pin 13 is located at the left side of the first annulus 10, and the surface of straight pin 13 is living Dynamic to be socketed with gear 14, the top of gear 14 is fixedly connected with crank 15, and the left side of the first annulus 10 offers tooth socket 16, gear 14 engage with the inner wall of tooth socket 16, and the side surface of round tube 1 is fixedly connected with fixed block 17, and fixed block 17 is located at a left side for straight pin 13 Side, the inside of fixed block 17 offer cavity 18, and the two sides of 18 inner wall of cavity offer square groove 19, the inner wall and T of square groove 19 The surface activity of shape bar 20 connects, and the right end of T-bar 20 is plugged between two teeth of gear 14, and the side of T-bar 20 is Curved surface, when gear 14 rotates, the direction and 14 rotation direction of gear of curved surface are on the contrary, will not be by T-bar when guaranteeing the rotation of gear 14 20 block, and prevent gear 14 from rotating backward, and the right side of the right side of 18 inner wall of cavity and the second annulus 21 overlaps, and the second annulus 21 is solid Surely it is socketed in the surface of T-bar 20, the left side of the second annulus 21 is fixedly connected with spring 22, and spring 22 is actively socketed on T-bar 20 surface, the left end of spring 22 and the left side of 18 inner wall of cavity overlap.

As a kind of technical optimization scheme of the utility model, the left side of explosion-proof diaphragm 4 and the right side difference of first flange 2 It is overlapped with the right side and left side of the first gasket 23, the right side of explosion-proof diaphragm 4 and the left side of second flange 3 are sealed with second respectively The left and right side overlap joint of pad 24, the first gasket 23 and the second gasket 24 are actively socketed on the surface of round bar 5, increase anti- Quick-fried diaphragm 4 leakproofness between first flange 2 and second flange 3 respectively.

As a kind of technical optimization scheme of the utility model, the surface fixing sleeve of T-bar 20 is connected to square 25, square 25 Side surface be flexibly connected with the inner wall of square groove 19, square 27 plays guiding role to T-bar 20, prevents T-bar 20 in square groove Rotation in 19.

As a kind of technical optimization scheme of the utility model, the left side of 12 inner wall of the second groove is inclined-plane, latch segment 11 Shape be adapted with the shape of the second groove 12, make latch segment 11 when squeezing round bar 5, be constantly in round bar 5 and be locked The state that block 11 squeezes, keeps the locking effect of latch segment 11 more preferable.

As a kind of technical optimization scheme of the utility model, the left side of 12 inner wall of the second groove is inclined-plane, latch segment 11 Shape be adapted with the shape of the second groove 12, prevent gear 14 rotation blocked by T-bar 20.

When in use, when replacing to explosion-proof diaphragm 4,15 rotate gear 14 of crank, gear 14 and the first annulus are held 10 tooth socket 16 engages, and gear 14 drives the rotation of the first annulus 10, and the first annulus 10 rotates in the annular groove 9 of round tube 1, and first The rotation of annulus 10 drives latch segment 11 and round bar 5 to separate, and pulls second flange 3, round bar 5 is drawn from round tube 1 and first flange 2 Out, the explosion-proof diaphragm 4 after using is replaced, and after replacement, round bar 5 is inserted into the through slot 6 of first flange 2 and the circular groove 7 of round tube 1 In, gear 14 is rotated backward, gear 14 drives the first annulus 10 to rotate backward, and latch segment 11 is stuck in the second groove 12 of round bar 5 In, round bar 5 is fixed, latch segment 11 is located in the first groove 8 of round tube 1, and when gear 14 rotates, T-bar 20 is inserted into gear Between 14 two teeth, the side of T-bar 20 is curved surface, when gear 14 rotates, the 14 rotation direction phase of direction and gear of curved surface Instead, guarantee to be blocked by T-bar 20 when gear 14 rotates, prevent gear 14 from rotating backward, gear 14 squeezes T-bar when rotating 20, move downward T-bar 20, the second annulus 21 is fixedly attached on T-bar 20, the right end of spring 22 and the second annulus 21 Left side is fixedly connected, and when T-bar 20 moves downward, moves right T-bar 20 under the action of 22 elastic force of spring, guarantees gear T-bar 20 is inserted in always between two teeth of gear 14 when 14 rotation, and spring 22 is located in the cavity 18 of fixed block 17, pulls T Shape bar 20 separates square 25 and square groove 19, rotates backward T-bar 20, makes the direction of the curved surface of T-bar 20 with turn of gear 14 Move contrary, can make gear 14 that can only rotate backward can not rotate forward, and the first gasket 23 can enhance 2 He of first flange Leakproofness between explosion-proof diaphragm 4, the second gasket 24 can enhance the leakproofness between second flange 3 and explosion-proof diaphragm 4, square groove 19 make T-bar 20 that can only move left and right and rotate, and square 25 plays guiding role to T-bar 20, band when preventing gear 14 from rotating Dynamic T-bar 20 rotates, and holds 15 rotate gear 14 of crank, makes the first annulus 10 that latch segment 11 be driven to move, latch segment 11 and circle Bar 5 separates, and has achieved the effect that the explosion-proof diaphragm 4 of replacement is more convenient.

It can to sum up obtain, the utility model passes through the first annulus 10 of setting, latch segment 11, round bar 5, gear 14 and T-bar 20, The Self-close type gas safety explosion releasing valve of current majority is solved when replacing to the explosion-proof diaphragm 4 after using, needs to remove More bolt, the problem of being more troublesome so as to cause the replacement of explosion-proof diaphragm 4.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Self-close type gas safety explosion releasing valve, including round tube (1), first flange (2), second flange (3) and explosion-proof diaphragm (4), the explosion-proof diaphragm (4) is located between first flange (2) and second flange (3), the right end and the first method of the round tube (1) It is fixedly connected on the left of blue (2), it is characterised in that: be fixedly connected with round bar (5) on the left of the second flange (3), described the The right side opening of one flange (2) is equipped with through slot (6), and the right end of the round tube (1) offers circular groove (7), the through slot (6) and circular groove (7) inner wall is connect with the surface activity of round bar (5), and the inside of the round tube (1) offers the first groove (8), and described One groove (8) is connected with circular groove (7), and the side surface of the round tube (1) offers annular groove (9), the annular groove (9) it is interior Wall is connect with the surface activity of the first annulus (10), and the inner wall of first annulus (10) is fixedly connected with latch segment (11), institute The side far from the first annulus (10) of latch segment (11) is stated through round tube (1) and extends to the inside of the first groove (8), it is described The side surface of round bar (5) offers the second groove (12), and the surface of the inner wall and latch segment (11) of second groove (12) is taken It connects, the side surface of the round tube (1) is fixedly connected with straight pin (13), and the straight pin (13) is located at a left side for the first annulus (10) The surface activity of side, the straight pin (13) is socketed with gear (14), is fixedly connected with crank at the top of the gear (14) (15), it is offered tooth socket (16) on the left of first annulus (10), the gear (14) is engaged with the inner wall of tooth socket (16), institute The side surface for stating round tube (1) is fixedly connected with fixed block (17), and the fixed block (17) is located at the left side of straight pin (13), described The inside of fixed block (17) offers cavity (18), and the two sides of cavity (18) inner wall offer square groove (19), the side The inner wall of slot (19) is connect with the surface activity of T-bar (20), and the right end of the T-bar (20) is plugged to two of gear (14) Between teeth, the right side of cavity (18) inner wall and the right side of the second annulus (21) are overlapped, and second annulus (21) is fixed It is socketed in the surface of T-bar (20), is fixedly connected with spring (22) on the left of second annulus (21), the spring (22) is living The dynamic surface for being socketed in T-bar (20), the left end of the spring (22) and the left side of cavity (18) inner wall overlap.

2. a kind of Self-close type gas safety explosion releasing valve according to claim 1, it is characterised in that: the explosion-proof diaphragm (4) Left side and first flange (2) right side respectively with the right side and left side of the first gasket (23) overlap, the explosion-proof diaphragm (4) Right side and second flange (3) left side respectively with the left and right side of the second gasket (24) overlap, first gasket (23) and the second gasket (24) is actively socketed on the surfaces of round bar (5).

3. a kind of Self-close type gas safety explosion releasing valve according to claim 1, it is characterised in that: the T-bar (20) Surface fixing sleeve is connected to square (25), and the side surface of the square (25) is flexibly connected with the inner wall of square groove (19).

4. a kind of Self-close type gas safety explosion releasing valve according to claim 1, it is characterised in that: second groove (12) The left side of inner wall is inclined-plane, and the shape of the latch segment (11) is adapted with the shape of the second groove (12).

5. a kind of Self-close type gas safety explosion releasing valve according to claim 1, it is characterised in that: the tooth of the gear (14) Shape for helical teeth, the T-bar (20) is adapted with the shape of gear (14).