CN218408661U

CN218408661U - Novel automobile-used LNG low temperature relief valve

Info

Publication number: CN218408661U
Application number: CN202221329292.XU
Authority: CN
Inventors: 周忠明
Original assignee: Jiaxing Yiguan Electromechanical Co ltd
Current assignee: Zhejiang Tongfu New Materials Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-01-31
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a novel automobile-used LNG low temperature relief valve, which comprises a valve body, the inner chamber of valve body is provided with sealing mechanism, the fixed intercommunication in bottom of valve body has the thread bush, the bottom intercommunication of valve body has the intake pipe, the top of valve body is run through and is provided with locking mechanism. The utility model discloses a valve body, sealing mechanism, the thread bush, an air inlet pipe, locking mechanism and fixture cooperate, possess and seal up the locking to it after the relief valve leaks, consolidate it after the relief valve installation, the advantage that stability is good, it does not have the locking function to have solved current automobile-used LNG low temperature relief valve, at the in-process of long-time use, because the loss of internals, it is not thorough to cause the not return of inside spring or return easily, make the relief valve sealed not tight, thereby cause economic loss for the user, do not have the reinforcement function simultaneously, make safety valve connection back poor stability, be not convenient for the problem that people used.

Description

Novel automobile-used LNG low temperature relief valve

Technical Field

The utility model relates to a relief valve technical field specifically is a novel automobile-used LNG low temperature relief valve.

Background

The safety valve is a valve for safety protection, and is an automatic pressure relief valve, its opening and closing member is under the action of external force and is in the normally closed state, when the medium pressure in the equipment or pipeline is raised and exceeds the defined safety value, it can be automatically opened, and a rated quantity of fluid can be discharged from the system to prevent the medium pressure in the pipeline or equipment from exceeding the defined safety value, and when the pressure is restored to normal state, the valve can be closed again to prevent medium from continuously flowing out.

Current automobile-used LNG low temperature safety valve does not have the locking function, and at the in-process of long-time using, because the loss of internals causes the inside spring not return easily or the return is not thorough for the relief valve is sealed not tight, thereby causes economic loss for the user, does not have the reinforcement function simultaneously, makes the relief valve connect back poor stability, the people's of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel automobile-used LNG low temperature relief valve, possess and seal up the locking to it after the relief valve leaks, consolidate it after the relief valve installation, the advantage that stability is good, it does not have the locking function to have solved current automobile-used LNG low temperature relief valve, at the in-process of long-time use, because the loss of internals, it is not thorough to cause the not return of inside spring or return easily, make the relief valve sealed not tight, thereby cause economic loss for the user, do not have the reinforcement function simultaneously, make the relief valve connection back poor stability, be not convenient for the problem that people used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel automobile-used LNG low temperature relief valve, includes the valve body, the inner chamber of valve body is provided with sealing mechanism, the fixed intercommunication in bottom of valve body has the thread bush, the bottom intercommunication of valve body has the intake pipe, the top of valve body is run through and is provided with locking mechanism, the fixed surface of thread bush installs fixture.

Preferably, sealing mechanism includes the backup pad, one side of backup pad and the inner wall welding of valve body, the welding of one side that the backup pad is relative has the fixing base, the top fixedly connected with spring of fixing base inner chamber, the bottom fixedly connected with sliding seat of spring.

Preferably, a sealing gasket is bonded to the bottom of the movable seat, and the bottom of the sealing gasket is in contact with the bottom of the inner wall of the valve body.

Preferably, the bottom welding of backup pad has the guide bar, the bottom of guide bar and the bottom welding of valve body inner wall, the surperficial movable sleeve of guide bar is equipped with the uide bushing, one side fixedly connected with connecting rod of uide bushing, one side and the sliding seat welding of uide bushing are kept away from to the connecting rod.

Preferably, locking mechanism includes first threaded rod, the bottom of first threaded rod extends to the inner chamber of valve body, the end thread cover that first threaded rod is located the valve body inner chamber is equipped with vertical board, both sides all with the inner wall welding of valve body around vertical board.

Preferably, the surface of the first threaded rod is movably sleeved with a dustproof breathable cover, the dustproof breathable cover is sleeved at the top of the valve body, and the top of the first threaded rod is welded with a rotary table.

Preferably, fixture includes the L template, one side that the L template is relative welds with the thread bush, the surface of L template is run through and is provided with the second threaded rod, the one end that the second threaded rod is relative run through the L template and with L template threaded connection, the one end swing joint that the second threaded rod is relative has the clamp ring, the one end welding that the clamp ring was kept away from to the second threaded rod has the knob.

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

1. the utility model discloses a valve body, sealing mechanism, the thread bush, an air inlet pipe, locking mechanism and fixture cooperate, possess and seal up the locking to it after the relief valve leaks, consolidate it after the relief valve installation, the advantage that stability is good, current automobile-used LNG low temperature safety valve does not have the locking function has been solved, at the in-process of using for a long time, because the loss of internals, cause the not return of inside spring or return thoroughly easily, make the relief valve sealed not tight, thereby cause economic loss for the user, do not have the reinforcement function simultaneously, make the relief valve connect back stability poor, be not convenient for the problem that people used.

2. The utility model discloses a set up the spring, produce tension to the sliding seat, the quick return of the sliding seat of being convenient for is sealed through setting up sealed the pad, can seal between sliding seat and the intake pipe, has improved the leakproofness at intake pipe top, through setting up the guide bar, can lead to the uide bushing to lead to connecting rod and sliding seat, the vertical removal of the sliding seat of being convenient for.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure A in FIG. 2 according to the present invention;

fig. 4 is a schematic bottom view of the local structure of the present invention.

In the figure: the device comprises a valve body 1, a sealing mechanism 2, a thread bush 3, an air inlet pipe 4, a locking mechanism 5, a clamping mechanism 6, a supporting plate 7, a fixed seat 8, a spring 9, a movable seat 10, a sealing gasket 11, a guide rod 12, a guide bush 13, a connecting rod 14, a first threaded rod 15, a longitudinal plate 16, a dust-proof ventilation cover 17, a rotary table 18, a 19L-shaped plate, a second threaded rod 20 and a clamping ring 21.

Detailed Description

Referring to fig. 1-4, a novel vehicle LNG low-temperature safety valve includes a valve body 1, a sealing mechanism 2 is disposed in an inner cavity of the valve body 1, a threaded sleeve 3 is fixedly communicated with the bottom of the valve body 1, an air inlet pipe 4 is communicated with the bottom of the valve body 1, a locking mechanism 5 is arranged on the top of the valve body 1 in a penetrating manner, and a clamping mechanism 6 is fixedly mounted on the surface of the threaded sleeve 3.

Sealing mechanism 2 includes backup pad 7, and one side of backup pad 7 and the inner wall welding of valve body 1, the welding of backup pad 7 relative one side has fixing base 8, the top fixedly connected with spring 9 of fixing base 8 inner chamber, and the bottom fixedly connected with sliding seat 10 of spring 9 through setting up spring 9, produces tension to sliding seat 10, the quick return of the sliding seat 10 of being convenient for.

The bottom of sliding seat 10 bonds and has sealed the pad 11, and the bottom of sealed pad 11 contacts with the bottom of 1 inner wall of valve body, through setting up sealed pad 11, can seal between sliding seat 10 and intake pipe 4, has improved the leakproofness at intake pipe 4 top.

The bottom welding of backup pad 7 has guide bar 12, the bottom of guide bar 12 and the bottom welding of 1 inner wall of valve body, the surperficial movable sleeve of guide bar 12 is equipped with uide bushing 13, one side fixedly connected with connecting rod 14 of uide bushing 13, one side and the sliding seat 10 welding of uide bushing 13 are kept away from to connecting rod 14, through setting up guide bar 12, can lead to uide bushing 13, thereby lead to connecting rod 14 and sliding seat 10, the vertical removal of the sliding seat 10 of being convenient for.

Locking mechanism 5 includes first threaded rod 15, and the bottom of first threaded rod 15 extends to the inner chamber of valve body 1, and a threaded sleeve that first threaded rod 15 is located the inner chamber of valve body 1 is equipped with vertical board 16, and both sides all with the inner wall welding of valve body 1 around vertical board 16, through setting up vertical board 16 and first threaded rod 15, can carry out the locking to sliding seat 10 and fix to seal the locking to the relief valve.

The surface activity cover of first threaded rod 15 is equipped with dustproof ventilative cover 17, and dustproof ventilative cover 17 cover is established at the top of valve body 1, and the top welding of first threaded rod 15 has carousel 18, through setting up dustproof ventilative cover 17, can prevent dust to the top of valve body 1, avoids outside dust to get into the inner chamber of valve body 1, through setting up carousel 18, has increased the area of contact of first threaded rod 15 top and finger, is convenient for drive first threaded rod 15 rotatory.

Fixture 6 includes L template 19, the relative one side of L template 19 and the welding of thread bush 3, the surface of L template 19 runs through and is provided with second threaded rod 20, the relative one end of second threaded rod 20 runs through L template 19 and with L template 19 threaded connection, the relative one end swing joint of second threaded rod 20 has clamp ring 21, the one end welding that clamp ring 21 was kept away from to second threaded rod 20 has the knob, through setting up L template 19, second threaded rod 20 and clamp ring 21, can carry out the centre gripping to the pipeline, consolidate the relief valve, the steadiness of relief valve has been improved, through setting up the knob, the area of contact of second threaded rod 20 with the user's finger has been increased, be convenient for drive second threaded rod 20 rotatory.

The fixed cover in surface of valve body 1 is equipped with rotatory piece, and the overlooking shape of rotatory piece is regular hexagon, is convenient for through spanner and rotatory piece joint, is convenient for drive valve body 1 and thread bush 3 rotatory, and the thread bush 3 of being convenient for is connected with the pipeline.

During the use, threaded sleeve 3 carries out threaded connection with the pipeline head of giving vent to anger, rotatory knob drives second threaded rod 20 rotatory, second threaded rod 20 drives clamp ring 21 lateral shifting, make two clamp ring 21 press from both sides tight pipeline, thereby consolidate the relief valve, when the pressure of pipeline inner chamber is greater than the default, atmospheric pressure gets into intake pipe 4 inner chamber, atmospheric pressure promotes sealed pad 11 and upwards removes, sealed pad 11 drives sliding seat 10 and upwards removes, sliding seat 10 compression spring 9, gaseous rebound passes dustproof ventilative cover 17 and discharges to the outside, carry out the pressure release protection to the pipeline inner chamber, after the pressure release, spring 9 produces tension to sliding seat 10, make sliding seat 10 drive sealed pad 11 return, make sealed pad 11 and the top in close contact with of intake pipe 4, seal it once more, when sealed pad 9 is impaired, make sealed pad 11 return incomplete, drive first threaded rod 15 through rotatory carousel 18, make first threaded rod 15 move down and promote sliding seat 10, make sliding seat 10 drive sealed pad 11 and intake pipe 4 in close contact with, can seal intake pipe 4, avoid the pressure of pipeline inner chamber to last the leakage.

In conclusion: this novel automobile-used LNG low temperature safety valve, through valve body 1, sealing mechanism 2, thread bush 3, intake pipe 4, locking mechanism 5 and fixture 6 cooperate, it does not have the locking function to have solved current automobile-used LNG low temperature safety valve, at the in-process of long-time use, because the loss of internals, cause the not return of inside spring or the return is not thorough easily, make the safety valve sealed not tight, thereby cause economic loss for the user, do not have the reinforcement function simultaneously, make safety valve connection back poor stability, the problem that people used not is convenient for.

Claims

1. The utility model provides a novel automobile-used LNG low temperature safety valve, includes valve body (1), its characterized in that: the inner chamber of valve body (1) is provided with sealing mechanism (2), the fixed intercommunication in bottom of valve body (1) has thread bush (3), the bottom intercommunication of valve body (1) has intake pipe (4), the top of valve body (1) is run through and is provided with locking mechanism (5), the fixed surface of thread bush (3) installs fixture (6).

2. The novel vehicular LNG cryogenic safety valve of claim 1, characterized in that: sealing mechanism (2) includes backup pad (7), one side of backup pad (7) and the inner wall welding of valve body (1), the welding of one side that backup pad (7) are relative has fixing base (8), the top fixedly connected with spring (9) of fixing base (8) inner chamber, the bottom fixedly connected with sliding seat (10) of spring (9).

3. The novel vehicular LNG cryogenic safety valve of claim 2, characterized in that: the bottom of sliding seat (10) bonds and has sealed the pad (11), the bottom of sealed pad (11) contacts with the bottom of valve body (1) inner wall.

4. The novel vehicular LNG cryogenic safety valve of claim 2, characterized in that: the welding of the bottom of backup pad (7) has guide bar (12), the bottom of guide bar (12) and the bottom welding of valve body (1) inner wall, the surperficial movable sleeve of guide bar (12) is equipped with uide bushing (13), one side fixedly connected with connecting rod (14) of uide bushing (13), one side and the sliding seat (10) welding of uide bushing (13) are kept away from in connecting rod (14).

5. The novel vehicular LNG cryogenic safety valve of claim 1, characterized in that: locking mechanism (5) include first threaded rod (15), the bottom of first threaded rod (15) extends to the inner chamber of valve body (1), a threaded sleeve that first threaded rod (15) is located valve body (1) inner chamber is equipped with vertical board (16), both sides all with the inner wall welding of valve body (1) around vertical board (16).

6. The novel vehicular LNG cryogenic safety valve of claim 5, characterized in that: the surface of the first threaded rod (15) is movably sleeved with a dustproof breathable cover (17), the dustproof breathable cover (17) is sleeved at the top of the valve body (1), and a turntable (18) is welded at the top of the first threaded rod (15).

7. The novel vehicular LNG cryogenic safety valve of claim 1, characterized in that: fixture (6) are including L template (19), one side that L template (19) is relative welds with thread bush (3), the surface of L template (19) is run through and is provided with second threaded rod (20), the relative one end of second threaded rod (20) run through L template (19) and with L template (19) threaded connection, the relative one end swing joint of second threaded rod (20) has clamp ring (21), the one end welding that clamp ring (21) were kept away from in second threaded rod (20) has the knob.