Explosion relief valve

Abstract

The utility model discloses an explosion relief valve which comprises a valve body, a water inlet connector arranged on the right side of the valve body, a drainage connector arranged on the lower side of the valve body, a connecting pipe arranged on the right side of the water inlet connector, a first filter plate fixedly arranged on the left side in the connecting pipe, and a positioning groove formed in the right side of the connecting pipe. A sleeve is slidably arranged on the right side of the connecting pipe, a limiting block is fixedly arranged on the right side of the sleeve, and a second filter plate is fixedly arranged on the left side of the sleeve. Compared with the prior art, impurities in a fluid medium can be filtered through the second filter plate and the first filter plate, the impurities can be conveniently collected through the sleeve and the second filter plate and can be conveniently taken out and cleaned in the later period, the first filter plate can conduct secondary filtration to prevent the impurities from entering the valve body, the first filter plate can be cleaned after the sleeve is taken down, and the filter plate is convenient to clean. The use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety valves, and in particular relates to an explosion-proof safety valve. Background Art

[0002] An explosion-proof safety valve is a valve that automatically opens or closes when the medium pressure exceeds a specified value to protect the safety of the system and equipment.

[0003] For example, the patent with publication number CN217874373U discloses an explosion-proof safety valve, including a valve body, the upper surface of the valve body is fixedly connected with a connection shell, the upper surface of the connection shell is fixedly inlaid with a sealing bearing, the inner ring of the sealing bearing is fixedly connected with a threaded rod, the upper surface of the valve body is provided with a sliding port, and the inner wall of the sliding port is slidably connected with a square rod. The explosion-proof safety valve, through the threaded connection provided with a threaded rod and a threaded hole, can cooperate with the square rod to control the movement of the sealing plug, so that the sealing plug can seal the drain port, and after sealing, the inside of the kettle increases, and as the pressure increases, the water will push the piston plate to move, so that the piston plate moves to the left side of the pressure relief hole, so that the water can be depressurized through the pressure relief hole and the pressure relief water bag, preventing the valve body from bursting, and solving the problem that the safety valve cannot depressurize the inside of the valve body according to the pressure inside the valve body, so that the pressure inside the valve body is too large, causing the safety valve to burst.

[0004] When the above device is in use, there is no structure for filtering impurities in the liquid medium. During use, impurities in the liquid medium may block the passage of the safety valve and affect its normal operation. Therefore, an explosion-proof safety valve that can filter impurities is designed. Summary of the invention

[0005] The utility model provides an explosion-proof safety valve, aiming to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof safety valve, comprising: a valve body, a water inlet joint is arranged on the right side of the valve body, a drain joint is arranged on the lower side of the valve body, a connecting pipe is arranged on the right side of the water inlet joint, a connecting piece 1 is fixedly arranged on the left side of the connecting pipe, a connecting piece 2 is fixedly arranged on the water inlet joint, the connecting piece 1 and the connecting piece 2 are fixedly connected and fixed by bolts, a filter plate 1 is fixedly arranged on the left side inside the connecting pipe, a positioning groove is arranged on the right side of the connecting pipe, a limiting clamping groove is arranged on the side of the positioning groove, a sleeve is slidingly arranged on the right side of the connecting pipe, a limiting block is fixedly arranged on the right side of the sleeve, a filter plate 2 is fixedly arranged on the left side of the sleeve, a cross bar is rotatably arranged on the right side of the sleeve, and a clamping hole and a connecting flange are arranged on the right side of the connecting pipe.

[0007] Furthermore, the limiting block is arranged to correspond to the shape of the limiting slot, and the limiting block is connected to the limiting slot by snapping.

[0008] Furthermore, an annular sealing groove is arranged on the right side of the second connecting piece, and an annular sealing block is fixedly arranged on the left side of the first connecting piece, and the annular sealing block is clamped with the annular sealing groove.

[0009] Furthermore, a sealing ring 1 is fixedly provided on the left side of the connecting pipe.

[0010] Furthermore, a second sealing ring is fixedly provided on the right side of the connecting pipe.

[0011] Furthermore, the second filter plate is arranged tilted.

[0012] Furthermore, four positioning grooves are arranged on the right side of the connecting pipe, each of the positioning grooves is provided with a limiting slot, and four limiting blocks are fixedly arranged on the right side of the sleeve, and the four limiting blocks are respectively arranged corresponding to the four positioning grooves.

[0013] Furthermore, a rubber pad is fixedly arranged on the inner side of the clamping hole.

[0014] Compared with the prior art, the utility model has the following beneficial effects: since the utility model is provided with the second connecting piece, the connecting pipe and the first connecting piece, the connecting pipe and the valve body are detachably connected, which is convenient for removing the connecting pipe for cleaning or maintenance at a later time; by providing the positioning groove, the limit card groove, the sleeve, the limit block and the second filter plate, the sleeve can be slidably inserted into the right side of the connecting pipe. When inserting, the four limit blocks are first inserted into the four positioning grooves, which is convenient for positioning the sleeve, and then the sleeve is rotated so that the four limit blocks are respectively rotated and inserted into the four limit card grooves, which is convenient for clamping and fixing the sleeve and the connecting pipe. When the four limit blocks are rotated and inserted into the four limit card grooves, The position of the cross bar corresponds to the position of the card hole. At this time, the cross bar can be rotated again and the cross bar can be stuck in the card hole to prevent the sleeve from rotating in the connecting pipe. At the same time, the cross bar is convenient for the user to rotate the sleeve. When taking out the sleeve, the cross bar can be pinched to drive the sleeve to rotate relative to the connecting pipe, which is convenient for taking the sleeve out of the connecting pipe; by setting the filter plate 2 and the filter plate 1, the filter plate 2 is tilted, and the impurities in the fluid medium can be filtered. The setting of the sleeve and the filter plate 2 is convenient for collecting impurities, which is convenient for later removal and cleaning. The filter plate 1 can perform secondary filtering to prevent impurities from entering the valve body, and the filter plate 1 can also be cleaned after the sleeve is removed, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the split structure of the utility model from the first perspective;

[0017] Figure 3 yes Figure 2 Partial schematic diagram at point A in the middle;

[0018] Figure 4 It is a schematic diagram of the split structure of the utility model from a second viewing angle.

[0019] In the figure: 1. valve body; 2. water inlet joint; 3. drain joint; 4. connecting pipe; 5. connecting piece 1; 6. connecting piece 2; 7. filter plate 1; 8. positioning groove; 9. limiting slot; 10. sleeve; 11. limiting block; 12. cross bar; 13. clamping hole; 14. connecting flange; 15. annular sealing groove; 16. annular sealing block; 17. sealing ring 1; 18. sealing ring 2; 19. filter plate 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-Figure 4As shown, an explosion-proof safety valve comprises: a valve body 1, a water inlet joint 2 is arranged on the right side of the valve body 1, a drain joint 3 is arranged on the lower side of the valve body 1, a connecting pipe 4 is arranged on the right side of the water inlet joint 2, a connecting piece 1 5 is fixedly arranged on the left side of the connecting pipe 4, a connecting piece 2 6 is fixedly arranged on the water inlet joint 2, the connecting piece 1 5 and the connecting piece 2 6 are connected and fixed by bolts, a filter plate 1 7 is fixedly arranged on the left side of the connecting pipe 4, a positioning groove 8 is arranged on the right side of the connecting pipe 4, a limiting card groove 9 is arranged on the side of the positioning groove 8, and a A sleeve 10, a limit block 11 is fixedly arranged on the right side of the sleeve 10, a filter plate 2 19 is fixedly arranged on the left side of the sleeve 10, a cross bar 12 is rotatably arranged on the right side of the sleeve 10, a clamping hole 13 is arranged on the right side of the connecting pipe 4, a connecting flange 14 is fixedly arranged on the right side of the connecting pipe 4, four positioning grooves 8 are arranged on the right side of the connecting pipe 4, each positioning groove 8 is provided with a limit clamping groove 9, four limit blocks 11 are fixedly arranged on the right side of the sleeve 10, the four limit blocks 11 are respectively arranged corresponding to the four positioning grooves 8, and the position of the clamping hole 13 is arranged corresponding to the position of the cross bar 12. By providing the second connecting piece 6, the connecting pipe 4 and the first connecting piece 5, the connecting pipe 4 and the valve body 1 are detachably connected, so that it is convenient to remove the connecting pipe 4 for cleaning or maintenance at a later time; by providing the positioning groove 8, the limiting card groove 9, the sleeve 10, the limiting block 11 and the second filter plate 19, the sleeve 10 can be slidably inserted into the right side of the connecting pipe 4. When inserting, first insert the four limiting blocks 11 into the four positioning grooves 8 to facilitate the positioning of the sleeve 10, and then rotate the sleeve 10 so that the four limiting blocks 11 are respectively rotated and inserted into the four limiting card grooves 9 to facilitate the sleeve 10 and the connecting pipe 4 to be clamped and fixed. When the four limiting blocks 11 are rotated and inserted into the four limiting card grooves 9, the position of the cross bar 12 corresponds to the position of the clamping hole 13, and the cross bar 12 can be rotated again at this time. The cross bar 12 is inserted into the card hole 13 to prevent the sleeve 10 from rotating in the connecting pipe 4. At the same time, the cross bar 12 is convenient for the user to rotate the sleeve 10. When taking out the sleeve 10, the cross bar 12 can be pinched to drive the sleeve 10 to rotate relative to the connecting pipe 4, so as to facilitate the sleeve 10 to be taken out of the connecting pipe 4; by setting the filter plate 2 19 and the filter plate 1 7, the filter plate 2 19 is tilted to filter the impurities in the fluid medium. The setting of the sleeve 10 and the filter plate 2 19 is convenient for collecting impurities and convenient for later removal and cleaning. The filter plate 1 7 can perform secondary filtering to prevent impurities from entering the valve body 1, and the filter plate 1 7 can also be cleaned after the sleeve 10 is removed. It is easy to use, and the connecting pipe 4 is convenient to connect with the external pipeline by setting the connecting flange 14.

[0022] The limiting block 11 is arranged in a shape corresponding to the limiting card slot 9, and the limiting block 11 is connected by clamping with the limiting card slot 9. An annular sealing groove 15 is arranged on the right side of the connecting piece 2 6, and an annular sealing block 16 is fixedly arranged on the left side of the connecting piece 1 5. The annular sealing block 16 is clamped with the annular sealing groove 15. A sealing ring 17 is fixedly arranged on the left side of the connecting pipe 4, and a sealing ring 2 18 is fixedly arranged on the right side of the connecting pipe 4. By providing the annular sealing groove 15, the annular sealing block 16 and the sealing ring 17, the connection between the valve body 1 and the connecting pipe 4 can be sealed to prevent leakage, and by providing the sealing ring 2 18, the connection between the connecting pipe 4 and the external pipeline can be sealed.

[0023] A rubber pad is fixedly arranged inside the clamping hole 13. The friction between the cross bar 12 and the clamping hole 13 can be increased by the rubber pad inside the clamping hole 13 to prevent the cross bar 12 from sliding out.

[0024] The working principle of the utility model is as follows: when in use, the connecting piece 1 5 is bolted to the connecting piece 2 6, so as to facilitate the connection and fixing of the valve body 1 and the connecting pipe 4, and then the sleeve 10 is slidably inserted into the right side of the connecting pipe 4. When inserting, the four limit blocks 11 are first inserted into the four positioning grooves 8, so as to facilitate the positioning of the sleeve 10, and then the cross bar 12 is pinched to rotate the sleeve 10, so that the four limit blocks 11 are respectively rotated and inserted into the four limit slots 9, so as to facilitate the connection and fixing of the sleeve 10 and the connecting pipe 4. When the four limit blocks 11 are rotated and inserted into the four limit slots 9, the position of the cross bar 12 is aligned with the position of the clamping hole 13. Correspondingly, at this time, the cross bar 12 can be rotated again and the cross bar 12 can be stuck in the clamping hole 13 to prevent the sleeve 10 from rotating in the connecting pipe 4. The filter plate 2 19 and the filter plate 1 7 can filter impurities in the fluid medium. The arrangement of the sleeve 10 and the filter plate 2 19 is convenient for collecting impurities and convenient for later removal and cleaning. The filter plate 1 7 can perform secondary filtering to prevent impurities from entering the valve body 1. After using it for a period of time, the connecting pipe 4 can be removed, which is convenient for removing the sleeve 10 to clean the filtered impurities. After the sleeve 10 is removed, the filter plate 1 7 can also be cleaned. It is easy to use. This is the working principle of the device.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An explosion-proof safety valve, comprising a valve body (1), a water inlet joint (2) being arranged on the right side of the valve body (1), and a water discharge joint (3) being arranged on the lower side of the valve body (1), characterized in that: A connecting pipe (4) is arranged on the right side of the water inlet joint (2), a connecting piece 1 (5) is fixedly arranged on the left side of the connecting pipe (4), a connecting piece 2 (6) is fixedly arranged on the water inlet joint (2), the connecting piece 1 (5) and the connecting piece 2 (6) are connected and fixed by bolts, a filter plate 1 (7) is fixedly arranged on the left side inside the connecting pipe (4), a positioning groove (8) is arranged on the right side of the connecting pipe (4), a limiting clamping groove (9) is arranged on the side of the positioning groove (8), a sleeve (10) is slidably arranged on the right side of the connecting pipe (4), a limiting block (11) is fixedly arranged on the right side of the sleeve (10), a filter plate 2 (19) is fixedly arranged on the left side of the sleeve (10), a cross bar (12) is rotatably arranged on the right side of the sleeve (10), and a clamping hole (13) and a connecting flange (14) are arranged on the right side of the connecting pipe (4).

2. An explosion-proof safety valve according to claim 1, characterized in that: The limiting block (11) is arranged to correspond in shape to the limiting slot (9), and the limiting block (11) is connected to the limiting slot (9) by snapping.

3. An explosion-proof safety valve according to claim 2, characterized in that: An annular sealing groove (15) is provided on the right side of the second connecting piece (6), and an annular sealing block (16) is fixedly provided on the left side of the first connecting piece (5), and the annular sealing block (16) is snap-fitted to the annular sealing groove (15).

4. An explosion-proof safety valve according to claim 3, characterized in that: A sealing ring 1 (17) is fixedly provided on the left side of the connecting pipe (4).

5. An explosion-proof safety valve according to claim 4, characterized in that: A second sealing ring (18) is fixedly arranged on the right side of the connecting pipe (4).

6. An explosion-proof safety valve according to claim 5, characterized in that: The second filter plate (19) is arranged tilted.

7. An explosion-proof safety valve according to claim 6, characterized in that: Four positioning grooves (8) are arranged on the right side of the connecting pipe (4), each of the positioning grooves (8) is provided with a limiting slot (9), and four limiting blocks (11) are fixedly arranged on the right side of the sleeve (10), and the four limiting blocks (11) are respectively arranged corresponding to the four positioning grooves (8).

8. An explosion-proof safety valve according to claim 7, characterized in that: A rubber pad is fixedly arranged on the inner side of the clamping hole (13).

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