CN220749142U - Detachable pressure relief device - Google Patents

Abstract

The utility model provides a detachable pressure relief device, which relates to the technical field of pressure relief devices and comprises a mounting plate, wherein a connecting pipe is fixedly connected to the side surface of the mounting plate, and a connecting ring A is fixedly connected to the side surface of the connecting pipe. According to the utility model, through the structures such as the mounting plate, the connecting pipe, the connecting ring A, the connecting ring B, the clamping ring A, the sealing strip, the sealing groove, the clamping ring B, the knob, the sealing ring and the like, the mounting plate is mounted on the capacitor shell through the bolts, the connecting ring B is attached to the connecting ring A, and the sealing strip is inserted into the sealing groove, so that the inside is sealed, water vapor and dust can be prevented from entering the pressure relief device, the clamping ring A and the clamping ring B are sleeved on the connecting ring A and the connecting ring B, the knob is mounted on the ring B through the clamping ring A, and the knob is screwed down, so that the connecting ring A and the clamping ring B clamp the connecting ring A through the connecting ring B, and the pressure relief device is convenient to detach during subsequent maintenance and overhaul while the tightness is ensured.

Description

Detachable pressure relief device

Technical Field

The utility model relates to the technical field of pressure relief devices, in particular to a detachable pressure relief device.

Background

The capacitor can be used on electric equipment such as a power cabinet and a distribution box, and in order to ensure the safety of the capacitor, the pressure release device can be used for releasing the air pressure in the capacitor, and the pressing device disclosed in Chinese patent number CN211852921U comprises a valve main body and a sealing device. The valve main body is in threaded connection with the upper cover of the dry film capacitor, a blind hole and a through hole are formed in the valve main body, the sealing device is fixed inside the blind hole and comprises a movable plug and a fixed plug, and the movable plug is attached to the through hole. Through setting up valve main part and sealing device, sealing device joint has seted up the through-hole in the blind hole of valve main part on the surface of the hole bottom of blind hole, and the activity stopper in the sealing device can seal the through-hole, keeps the seal of condenser to can separate with the through-hole under the effect of gas thrust and make gaseous discharge. According to the pressure relief device of each aspect of the disclosure, the internal pressure and the external pressure can be kept consistent, the shell of the dry film capacitor is prevented from swelling, explosion is prevented, the safety of rail transit equipment is improved, but the pressure relief device is generally connected with the shell of the capacitor, and when the internal element of the pressure relief device is damaged, the pressure relief device is difficult to detach and needs to be improved.

Disclosure of Invention

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a detachable pressure relief device, includes the mounting panel, the side fixedly connected with connecting pipe of mounting panel, the side fixedly connected with go-between A of connecting pipe, go-between A's side is provided with go-between B, go-between B's side fixedly connected with connecting cylinder, the side fixedly connected with fixed plate of connecting cylinder, the inside of fixed plate has been seted up the gas outlet tank, the inside fixedly connected with fixed block of gas outlet tank, the side fixedly connected with slide bar of fixed block, the surface sliding connection of slide bar has a slide tube, the side fixedly connected with sprue, the surface fixedly connected with backup pad of slide tube, be provided with the spring between backup pad and the fixed block, go-between A and go-between B's surface cover are equipped with clamp ring A and clamp ring B, clamp ring A and clamp ring B rotate and are connected, the top of clamp ring B has the knob through threaded connection.

Preferably, the side of go-between A fixedly connected with sealing strip, the seal groove has been seted up to go-between B's side, seal groove and sealing strip sliding connection. Here, sliding connection's seal groove and sealing strip can promote pressure relief device leakproofness to avoid dust and steam to get into inside the condenser.

Preferably, the side of sealing strip fixedly connected with sealing ring, the material of sealing ring is rubber. Here, the rubber seal ring can further promote the leakproofness of seal groove and sealing strip.

Preferably, a sealing gasket is fixedly connected to the side face of the mounting plate, and the sealing gasket is annular in shape. Here, annular sealing pad can promote pressure relief device sealed effect under the prerequisite of guaranteeing the gas circulation.

Preferably, the side fixedly connected with collar of fixed plate, the surface of collar has the installing frame through threaded connection, the internal connection of installing frame has the protection network. Here, collar, mounting frame and protection network can promote and protect pressure release device side.

Preferably, anti-skid grooves are formed in the outer surface of the mounting frame, and the anti-skid grooves are circumferentially distributed. Here, circumference distribution's antiskid groove can promote the antiskid nature of installing frame, makes the installing frame be convenient for dismouting.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the structures such as the mounting plate, the connecting pipe, the connecting ring A, the connecting ring B, the clamping ring A, the sealing strip, the sealing groove, the clamping ring B, the knob, the sealing ring and the like, the mounting plate is mounted on the capacitor shell through the bolts, the connecting ring B is attached to the connecting ring A, and the sealing strip is inserted into the sealing groove, so that the inside is sealed, moisture and dust can be prevented from entering the pressure relief device, the clamping ring A and the clamping ring B are sleeved on the connecting ring A and the connecting ring B, the knob is mounted on the ring B through the clamping ring A, and the knob is screwed down, so that the connecting ring A and the clamping ring B clamp the connecting ring A through the connecting ring B, and the pressure relief device is convenient to detach in subsequent maintenance and overhaul while the tightness is ensured.

2. According to the utility model, the mounting ring, the mounting frame and the protective screen are arranged, so that the mounting frame can be mounted on the fixing plate through threads, and the protective screen in the mounting frame can be used for protecting against flying insects. Dust and the like enter the air outlet groove, so that sundries are prevented from entering the capacitor, and the safety of the capacitor is improved.

Drawings

Fig. 1 is a schematic perspective view of a detachable pressure relief device according to the present utility model;

fig. 2 is a schematic diagram of an explosion structure of a detachable pressure relief device according to the present utility model;

FIG. 3 is a schematic diagram of the back view of FIG. 2 showing a removable pressure relief device according to the present utility model;

fig. 4 is an enlarged view of a portion a of fig. 2 showing a removable pressure relief device according to the present utility model.

Legend description:

1. a mounting plate; 2. a connecting pipe; 3. a connecting ring A; 4. a connecting ring B; 5. a connecting cylinder; 6. a fixing plate; 7. an air outlet groove; 8. a fixed block; 9. a slide bar; 10. a slide cylinder; 11. blocking; 12. a support plate; 13. a spring; 14. a sealing strip; 15. sealing grooves; 16. a clamping ring A; 17. a clamping ring B; 18. a knob; 19. a mounting ring; 20. a mounting frame; 21. a protective net; 22. a sealing gasket; 23. a seal ring; 24. an anti-skid slot.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a detachable pressure relief device, including mounting panel 1, mounting panel 1's side fixedly connected with connecting pipe 2, connecting pipe 2's side fixedly connected with go-between A3, go-between A3's side is provided with go-between B4, through setting up this structure, can make pressure relief device dismantle, go-between B4's side fixedly connected with go-between 5, go-between 5's side fixedly connected with fixed plate 6, the gas vent groove 7 has been seted up to the inside of fixed plate 6, through setting up this structure, can discharge the inside atmospheric pressure of condenser, gas vent groove 7's inside fixedly connected with fixed block 8, the side fixedly connected with slide bar 9 of fixed block 8, slide bar 9's surface sliding connection has a slide cylinder 10, slide cylinder 10's side fixedly connected with chock 11, through setting up this structure, can make chock 11 slide under the gas pushing, slide cylinder 10's surface fixedly connected with backup pad 12, be provided with spring 13 between backup pad 12 and the fixed block 8, through setting up this structure, can apply pressure for chock 11, thereby promote the leakproofness, go-between A3 and go-between B4's surface jacket be equipped with clip ring A16 and clip ring A17 and clip ring B17, it can be connected with the knob 17 through the clip ring A17 through the screw thread to rotate 17, the top is connected with clip ring B17, the knob is connected with the clip ring 17.

Referring to fig. 1-4, the sealing strip 14 is fixedly connected to the side face of the connecting ring A3, the sealing groove 15 is formed in the side face of the connecting ring B4, the sealing groove 15 is slidably connected with the sealing strip 14, and by means of the structure, the tightness of the pressure relief device can be improved, so that dust and water vapor are prevented from entering the capacitor, the sealing strip 23 is fixedly connected to the side face of the sealing strip 14, the sealing strip 23 is made of rubber, the tightness of the sealing groove 15 and the sealing strip 14 can be further improved by means of the structure, the sealing pad 22 is fixedly connected to the side face of the mounting plate 1, the shape of the sealing pad 22 is annular, and the sealing effect of the pressure relief device can be improved on the premise of ensuring gas circulation by means of the structure.

Example two

Referring to fig. 1-3, the side surface of the fixing plate 6 is fixedly connected with a mounting ring 19, the outer surface of the mounting ring 19 is connected with a mounting frame 20 through threads, the inner part of the mounting frame 20 is connected with a protective net 21, the side surface of the pressure relief device can be lifted to be protected by arranging the structure, anti-skid grooves 24 are formed in the outer surface of the mounting frame 20, the anti-skid grooves 24 are circumferentially distributed, and the anti-skid performance of the mounting frame 20 can be lifted by arranging the structure, so that the mounting frame 20 is convenient to disassemble and assemble.

Working principle: when the pressure relief device is installed, the mounting plate 1 is required to be mounted on the capacitor shell through bolts, the connecting ring B4 is attached to the connecting ring A3, the sealing strip 14 is enabled to be inserted into the sealing groove 15, the inside is sealed, water vapor and dust can be prevented from entering the pressure relief device, the clamping ring A16 and the clamping ring B17 are sleeved on the connecting ring A3 and the connecting ring B4, the knob 18 is installed on the ring B through the clamping ring A16, the knob 18 is screwed down, the clamping ring A16 and the clamping ring B17 clamp the connecting ring A3 by the connecting ring B4, the installation can be completed, the pressing device can be detached only by detaching the knob 18 during subsequent overhauling or maintenance, the pressure inside the capacitor can be increased until the blocking block 11 is pushed to move, the pressure relief device is compressed through the spring 13, the spring 13 can rebound after the air pressure is released, the blocking block 11 is pushed to seal the air outlet groove 7, the pressure relief of the capacitor is realized, and meanwhile, the protection net 21 on the side of the fixing plate 6 can block the dust and the inside the air outlet groove 7.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a detachable pressure relief device, includes mounting panel (1), its characterized in that: the side fixedly connected with connecting pipe (2) of mounting panel (1), the side fixedly connected with go-between A (3) of connecting pipe (2), the side of go-between A (3) is provided with go-between B (4), the side fixedly connected with go-between (5) side fixedly connected with fixed plate (6), the inside of fixed plate (6) has been seted up and has been given vent to anger groove (7), the inside fixedly connected with fixed block (8) of groove (7) give vent to anger, the side fixedly connected with slide bar (9) of fixed block (8), the surface sliding connection of slide bar (9) has slide tube (10), the side fixedly connected with putty (11) of slide tube (10), the surface fixedly connected with backup pad (12) of slide tube (10), be provided with spring (13) between backup pad (12) and fixed block (8), the surface cover of go-between A (3) and go-between B (4) is equipped with clamp ring A (16) and clamp ring B (17), clamp ring A (17) and clamp ring (17) are passed through the rotation top of clamp ring (17) and clamp ring (17) are connected with knob (17).

2. The removable pressure relief device of claim 1, wherein: the side of go-between A (3) fixedly connected with sealing strip (14), seal groove (15) have been seted up to the side of go-between B (4), seal groove (15) and sealing strip (14) sliding connection.

3. The removable pressure relief device of claim 2, wherein: the side of sealing strip (14) is fixedly connected with sealing ring (23), the material of sealing ring (23) is rubber.

4. The removable pressure relief device of claim 1, wherein: the side of mounting panel (1) is fixedly connected with sealed pad (22), sealed pad (22) shape is annular.

5. The removable pressure relief device of claim 1, wherein: the side of fixed plate (6) fixedly connected with collar (19), the surface of collar (19) is through threaded connection having installing frame (20), the internal connection of installing frame (20) has protection network (21).

6. The removable pressure relief device of claim 5, wherein: the outer surface of the mounting frame (20) is provided with anti-skid grooves (24), and the anti-skid grooves (24) are circumferentially distributed.