CN220365997U - Self-pressure-relief explosion-proof stop valve - Google Patents
Self-pressure-relief explosion-proof stop valve Download PDFInfo
- Publication number
- CN220365997U CN220365997U CN202321559175.7U CN202321559175U CN220365997U CN 220365997 U CN220365997 U CN 220365997U CN 202321559175 U CN202321559175 U CN 202321559175U CN 220365997 U CN220365997 U CN 220365997U
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- valve
- self
- pressure
- pressure relief
- fixedly connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims 6
- 239000012530 fluid Substances 0.000 abstract description 24
- 230000001105 regulatory effect Effects 0.000 abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a self-pressure-relief explosion-proof stop valve, which comprises a valve body and a self-pressure-relief mechanism; a water inlet pipeline is arranged at a water inlet at the left end of the valve body, a water outlet pipeline is arranged at a water outlet at the right end of the valve body, a valve cover is connected to the upper surface of the valve body through a bolt, a connecting cylinder is fixedly connected to the upper surface of the valve cover, a valve rod is connected to the inner thread of the connecting cylinder, a valve seat is arranged in the valve body, a valve core is fixedly connected to the bottom end of the valve rod, and the valve core is matched with the valve seat; the self-pressure relief mechanism is arranged between the right side face of the valve seat and the outer side face of the valve body and comprises a sliding frame, a pressure relief block and a pressure relief hole, and the sliding frame is fixedly connected to the right side face of the valve seat. According to the utility model, the pressure value of pressure relief can be quickly and accurately regulated according to different fluids, and when the internal fluid pressure exceeds the explosion-proof threshold, the pressure can be quickly relieved to ensure the use safety.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a self-pressure-relief explosion-proof stop valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when the shut-off valve is used for stopping fluid in a pipeline, the fluid in the shut-off valve usually generates a certain degree of pressure on the shut-off valve, and when the internal fluid pressure exceeds an explosion-proof threshold value, the shut-off valve may burst and be damaged.
The existing explosion-proof stop valve is characterized in that a pressure relief hole for pressure relief is formed in a valve seat of the stop valve, an elastic rubber pressure relief block is inserted into the pressure relief hole, the pressure relief block is limited through a mounting frame, when the pressure value in the stop valve exceeds an explosion-proof threshold value, fluid in the stop valve can have a propping force on the elastic rubber, the elastic rubber pressure relief block deforms, the pressure relief hole is opened, self pressure relief is achieved, but due to the fact that the cut-off fluid of the stop valve is different, the pressures of different pipelines are also different, therefore, the self-pressure relief explosion-proof stop valve with the elastic rubber pressure relief blocks of different types can be used when cut-off different fluids, and the universality of use is not ideal.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides the self-pressure-relief explosion-proof stop valve, can quickly and accurately adjust the pressure value of pressure relief according to different fluids, can quickly relieve pressure to ensure the use safety when the internal fluid pressure exceeds an explosion-proof threshold, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a self-pressure-relief explosion-proof stop valve comprises a valve body and a self-pressure-relief mechanism;
the valve is characterized in that a water inlet pipeline is arranged at a water inlet at the left end of the valve body, a water outlet pipeline is arranged at a water outlet at the right end of the valve body, a valve cover is connected to the upper surface of the valve body through a bolt, a connecting cylinder is fixedly connected to the upper surface of the valve cover, a valve rod is connected to the inner thread of the connecting cylinder, a valve seat is arranged in the valve body, a valve core is fixedly connected to the bottom end of the valve rod, and the valve core is mounted in a matched mode with the valve seat;
the self-pressure relief mechanism is arranged between the right side surface of the valve seat and the outer side surface of the valve body, the pressure value of pressure relief can be quickly and accurately regulated according to different fluids, and when the internal fluid pressure exceeds an explosion-proof threshold value, the use safety of the valve can be quickly relieved.
Further, from relief mechanism includes carriage, pressure release piece and pressure release hole, carriage fixed connection is in the right flank of disk seat, and the inside sliding connection of carriage has the pressure release piece, and the pressure release hole has been seted up to the right flank of disk seat, and the pressure release hole cooperates the installation with the pressure release piece, realizes opening or closing the pressure release piece through the pressure release piece in the carriage slip.
Further, from pressure release mechanism still includes gangbar, a regulating section of thick bamboo, movable disk, extension spring and regulating disk, regulating cylinder sets up the regulation mouth department of seting up in valve lateral surface lower extreme, the inside upside fixedly connected with baffle of a regulating section of thick bamboo, the downthehole sliding connection of sliding that sets up in baffle middle part has the gangbar, the upper end and the pressure release piece fixed connection of gangbar, the lower extreme fixedly connected with movable disk of gangbar, the inner wall sliding connection of movable disk and regulating cylinder, the inside downside sliding connection of regulating cylinder has a regulating disk, be provided with the extension spring between regulating disk and the movable disk, the extension spring is adjusted the pulling force of extension spring to the pressure release piece through the removal of regulating disk in the regulating cylinder, and then the pressure value of pressure release is adjusted.
Further, the self-pressure relief mechanism further comprises a screw, the screw is in threaded connection with the lower end of the adjusting cylinder, the upper end of the screw is in rotary connection with the adjusting disk through a bearing, and the pressure value of pressure relief is regulated and controlled rapidly and accurately through rotation of the screw.
Further, the bottom fixedly connected with hexagon socket head of screw rod is convenient for personnel regulate and control the rotation of screw rod.
Further, a sealing ring is arranged in a mounting groove formed in the outer side face of the pressure relief block, so that the tightness between the pressure relief block and the pressure relief hole is improved.
Further, a hand wheel is fixedly connected to the top end of the valve rod, and sealing of the stop valve is achieved.
Compared with the prior art, the utility model has the beneficial effects that: the pressure value of pressure release can be adjusted, and then the explosion-proof threshold value can be adjusted rapidly and accurately, the pressure value of pressure release can be adjusted rapidly and accurately according to different fluids, and when the pressure of the internal fluid exceeds the explosion-proof threshold value, the pressure can be released rapidly to ensure the safety of use.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 valve body, 2 water inlet pipeline, 3 water outlet pipeline, 4 valve gap, 5 connecting cylinder, 6 valve rod, 7 hand wheel, 8 disk seat, 9 case, 10 from relief mechanism, 101 carriage, 102 pressure release piece, 103 pressure release hole, 104 gangbar, 105 adjusting cylinder, 106 movable disk, 107 extension spring, 108 adjusting disk, 109 screw rod, 11 inner hexagon head, 12 sealing washer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a self-pressure-releasing explosion-proof stop valve, which includes a valve body 1 and a self-pressure-releasing mechanism 10.
Wherein: the water inlet department of valve body 1 left end is provided with inlet channel 2, and the delivery port department of valve body 1 right-hand member is provided with outlet channel 3, and the upper surface of valve body 1 has valve gap 4 through bolted connection, and the upper surface fixedly connected with connecting cylinder 5 of valve gap 4, the inside threaded connection of connecting cylinder 5 has valve rod 6, and the inside of valve body 1 is provided with disk seat 8, the bottom fixedly connected with case 9 of valve rod 6, case 9 and disk seat 8 cooperation installation, the top fixedly connected with hand wheel 7 of valve rod 6.
In one embodiment: the self-pressure relief mechanism 10 is arranged between the right side surface of the valve seat 8 and the outer side surface of the valve body 1, the self-pressure relief mechanism 10 comprises a sliding frame 101, a pressure relief block 102 and a pressure relief hole 103, the sliding frame 101 is fixedly connected to the right side surface of the valve seat 8, the pressure relief block 102 is slidingly connected to the inside of the sliding frame 101, the pressure relief hole 103 is formed in the right side surface of the valve seat 8, and the pressure relief hole 103 is matched with the pressure relief block 102;
in one embodiment: the self-pressure release mechanism 10 further comprises a linkage rod 104, an adjusting cylinder 105, a movable disc 106, a tension spring 107 and an adjusting disc 108, wherein the adjusting cylinder 105 is arranged at an adjusting port formed in the lower end of the outer side face of the valve body 1, a baffle is fixedly connected to the upper side of the inner part of the adjusting cylinder 105, the linkage rod 104 is slidably connected in a sliding hole formed in the middle of the baffle, the upper end of the linkage rod 104 is fixedly connected with a pressure release block 102, the lower end of the linkage rod 104 is fixedly connected with the movable disc 106, the movable disc 106 is slidably connected with the inner wall of the adjusting cylinder 105, the adjusting disc 108 is slidably connected to the lower side of the inner part of the adjusting cylinder 105, and the tension spring 107 is arranged between the adjusting disc 108 and the movable disc 106;
in one embodiment: the self-pressure relief mechanism 10 further comprises a screw 109, the screw 109 is in threaded connection with the lower end of the adjusting cylinder 105, the upper end of the screw 109 is in rotary connection with the adjusting disk 108 through a bearing, the bottom end of the screw 109 is fixedly connected with an inner hexagon head 11, and a sealing ring 12 is arranged in a mounting groove formed in the outer side face of the pressure relief block 102.
The working principle of the utility model is as follows:
when the self-pressure-relief explosion-proof stop valve is used, a person screws the inner hexagon head 11 through an external tool according to fluid to be stopped, so that the hexagon head 11 drives the screw 109 to rotate, the screw 109 drives the adjusting disc 108 to move in the adjusting cylinder 105 through the threaded relation between the screw 109 and the adjusting cylinder 105, the stretching degree of the tension spring 107 between the adjusting disc 108 and the movable disc 106 is adjusted, the tension of the tension spring 107 to the movable disc 106 is adjusted, the movable disc 106 is connected with the pressure relief block 102 through the linkage rod 104, and the tension of the movable disc 106 to the pressure relief block 102 is adjusted, so that the pressure value of pressure relief is adjusted;
when the fluid flowing in the external pipeline is required to be cut off, the personnel rotates the hand wheel 7, so that the hand wheel 7 drives the valve rod 6 to rotate, and the valve rod 6 drives the valve core 9 to be inserted into the valve seat 8 downwards through the threaded relationship between the valve rod 6 and the connecting cylinder 5, so that the cut-off of the fluid is realized;
when the pressure of the fluid in the valve body 1 exceeds the explosion-proof threshold, the fluid in the valve body 1 props the pressure relief block 102 rightwards, at the moment, the pressure relief block 102 slides with the sliding frame 101, the movable disc 106 slides with the adjusting cylinder 105, the pressure relief block 102 is far away from the pressure relief hole 103, the pressure relief hole 103 is opened, a part of the fluid flows into the left side of the valve body 1 from the pressure relief hole 103, and at the moment, the pressure of the fluid on the valve body 1 is reduced;
when the pressure of fluid to valve body 1 reduces to explosion-proof threshold value below, pressure release piece 102 can reinsert in pressure release hole 103 under the effect of extension spring 107 tensile force, seal pressure release hole 103, can be quick accurate regulation and control the position of regulating plate 108 through the screw 109 with adjust the screw thread relation between the section of thick bamboo 105, and then adjust the pulling force of extension spring 107, thereby adjust the pulling force of extension spring 107 to pressure release piece 102, realize the regulation to the pressure value of pressure release, and then quick accurate regulation explosion-proof threshold value, can be according to the quick accurate pressure value of regulation pressure release of different fluid, when inside fluid pressure surpasses explosion-proof threshold value, the security of use that can guarantee is released in quick.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a from explosion-proof stop valve of pressure release which characterized in that: comprises a valve body (1) and a self-pressure relief mechanism (10);
a water inlet pipeline (2) is arranged at a water inlet at the left end of the valve body (1), a water outlet pipeline (3) is arranged at a water outlet at the right end of the valve body (1), a valve cover (4) is connected to the upper surface of the valve body (1) through a bolt, a connecting cylinder (5) is fixedly connected to the upper surface of the valve cover (4), a valve rod (6) is connected to the inner thread of the connecting cylinder (5), a valve seat (8) is arranged in the valve body (1), a valve core (9) is fixedly connected to the bottom end of the valve rod (6), and the valve core (9) is matched with the valve seat (8);
the self-pressure relief mechanism (10) is arranged between the right side surface of the valve seat (8) and the outer side surface of the valve body (1).
2. The self-venting explosion-proof shut-off valve of claim 1, wherein: the self-pressure relief mechanism (10) comprises a sliding frame (101), a pressure relief block (102) and a pressure relief hole (103), wherein the sliding frame (101) is fixedly connected to the right side face of a valve seat (8), the pressure relief block (102) is connected to the sliding frame (101) in a sliding mode, the pressure relief hole (103) is formed in the right side face of the valve seat (8), and the pressure relief hole (103) is matched with the pressure relief block (102).
3. The self-venting explosion-proof shut-off valve of claim 2, wherein: the self-pressure release mechanism (10) further comprises a linkage rod (104), an adjusting cylinder (105), a movable disc (106), a tension spring (107) and an adjusting disc (108), wherein the adjusting cylinder (105) is arranged at an adjusting opening formed in the lower end of the outer side face of the valve body (1), a baffle is fixedly connected to the upper side of the inner portion of the adjusting cylinder (105), the middle of the baffle is provided with a sliding hole in a sliding mode, the linkage rod (104) is slidingly connected to the sliding hole, the upper end of the linkage rod (104) is fixedly connected with a pressure release block (102), the lower end of the linkage rod (104) is fixedly connected with the movable disc (106), the movable disc (106) is slidingly connected with the inner wall of the adjusting cylinder (105), and the tension spring (107) is arranged between the adjusting disc (108) and the movable disc (106).
4. A self-venting explosion-proof shut-off valve as set forth in claim 3, wherein: the self-pressure release mechanism (10) further comprises a screw (109), the screw (109) is in threaded connection with the lower end of the adjusting cylinder (105), and the upper end of the screw (109) is in rotary connection with the adjusting disc (108) through a bearing.
5. The self-venting explosion-proof shut-off valve of claim 4, wherein: the bottom end of the screw rod (109) is fixedly connected with an inner hexagon head (11).
6. The self-venting explosion-proof shut-off valve of claim 2, wherein: and a sealing ring (12) is arranged in a mounting groove formed in the outer side surface of the pressure relief block (102).
7. The self-venting explosion-proof shut-off valve of claim 1, wherein: the top end of the valve rod (6) is fixedly connected with a hand wheel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559175.7U CN220365997U (en) | 2023-06-19 | 2023-06-19 | Self-pressure-relief explosion-proof stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559175.7U CN220365997U (en) | 2023-06-19 | 2023-06-19 | Self-pressure-relief explosion-proof stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365997U true CN220365997U (en) | 2024-01-19 |
Family
ID=89512804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321559175.7U Active CN220365997U (en) | 2023-06-19 | 2023-06-19 | Self-pressure-relief explosion-proof stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365997U (en) |
-
2023
- 2023-06-19 CN CN202321559175.7U patent/CN220365997U/en active Active
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