CN220551548U - Pneumatic flow-regulating pressure regulating valve protection device - Google Patents
Pneumatic flow-regulating pressure regulating valve protection device Download PDFInfo
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- CN220551548U CN220551548U CN202321523568.2U CN202321523568U CN220551548U CN 220551548 U CN220551548 U CN 220551548U CN 202321523568 U CN202321523568 U CN 202321523568U CN 220551548 U CN220551548 U CN 220551548U
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- regulating valve
- pressure regulating
- valve body
- protection device
- impact
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a pneumatic flow regulating pressure regulating valve protection device, which comprises a pressure regulating valve body, wherein a pneumatic actuator is arranged at the top of the pressure regulating valve body, a water outlet end is fixedly arranged at one side of the bottom of the pressure regulating valve body, a water inlet end is fixedly arranged at the other side of the bottom of the pressure regulating valve body, and a protection device is fixedly arranged at the water inlet end on the pressure regulating valve body; the protection device comprises a communicating pipe, a mounting seat, an overvoltage protection component and a fixing ring. This pneumatic flow regulating and pressure regulating valve protection device, high-pressure fluid enters into communicating pipe inside to strike on overvoltage protection subassembly, strike at last on the insurance piece, offered the atress groove on the insurance piece, on the atress groove under the pressure effect, here atress ability is weak, at the impact of high-pressure rivers, the insurance piece takes place to break, comes the relief pressure through the rupture of insurance piece, carries out overvoltage protection to the pressure regulating valve body, improves the life of pressure regulating valve body.
Description
Technical Field
The utility model relates to the field of pressure regulating valves, in particular to a pneumatic flow regulating pressure regulating valve protection device.
Background
The pneumatic pressure regulating valve takes compressed gas as a power source, takes a cylinder as an actuator, drives the valve by means of accessories such as a valve positioner, a converter, an electromagnetic valve, a position-keeping valve, a gas storage tank, a gas filter and the like, realizes switching value or proportional adjustment, the valve rod drives the valve core to reciprocate in the vertical direction to realize switching value or proportional adjustment of a fluid channel in the valve body, at present, most valve cores adopt V-shaped valve cores, the horizontal cross section area of the top of the V-shaped valve core is larger than that of the valve rod, and when the valve rod drives the V-shaped valve core to lift, the lifting process of the valve core is completed and the fluid channel is opened by the guide pipe when the valve rod drives the V-shaped valve core to have a blocking effect on the V-shaped valve core, but at the moment, fluid in the fluid channel can cause impact force, particularly high-pressure cleaning equipment, the connection position between the V-shaped valve core and the valve rod is loosened, even the V-shaped valve core is damaged, the service life of the V-shaped valve core is reduced, and the switching value or the proportional adjustment effect of the fluid channel in the valve body is not realized, so the defects and disadvantages exist in the prior art.
To solve the above problems, the prior art publication (application number: CN 202022342109.7) discloses a pneumatic pressure regulating valve for high pressure cleaning equipment; it is proposed herein that ' valve gap (5), guide cylinder (4), support (3), spring sleeve (8) and pneumatic actuator (2) have been connected gradually along vertical direction at valve body (6) top, air inlet (21) have been seted up on pneumatic actuator (2) top, swing joint has diaphragm (22) in pneumatic actuator (2), fixedly connected with pneumatic piece (23) on diaphragm (22), ' when pneumatic air-vent valve is in use, because install overpressure protection device on it, when using, can lead to because of user superpressure use or the phenomenon emergence of instant superpressure messenger pump body fracture of superpressure, reduce pneumatic air-vent valve's life.
Disclosure of Invention
The utility model aims to provide a pneumatic flow regulating and pressure regulating valve protection device which is used for solving the defects in the prior art.
In order to achieve the above purpose, the pneumatic flow regulating and pressure regulating valve protection device comprises a pressure regulating valve body, wherein a pneumatic actuator is arranged at the top of the pressure regulating valve body, a water outlet end is fixedly arranged at one side of the bottom of the pressure regulating valve body, a water inlet end is fixedly arranged at the other side of the bottom of the pressure regulating valve body, and a protection device is fixedly arranged at the water inlet end on the pressure regulating valve body;
the protection device comprises a communicating pipe, a mounting seat, an overvoltage protection component and a fixed ring, wherein the communicating pipe is welded on the surface of the water inlet end and is communicated with the water inlet end, the mounting seat is welded at one end of the communicating pipe far away from the water inlet end, the overvoltage protection component is clamped in the mounting seat, the fixed ring is covered on the upper side of the overvoltage protection component, and the overvoltage protection component is fixed between the fixed ring and the mounting seat through a plurality of groups of bolts.
Preferably, the upper side of the fixed ring is provided with an impact blocking assembly, the impact blocking assembly is of a structure which is made of metal materials and has an L-shaped transverse section, and meanwhile, the end part of the impact blocking assembly is arranged on the pressure regulating valve body through an inner hexagonal stud.
Preferably, the impact groove is formed in the bottom surface of the impact blocking assembly, the transverse section of the impact groove is arc-shaped, and the impact groove and the safety piece are arranged oppositely.
Preferably, the positioning groove is formed in the surface of the mounting seat, the positioning groove is matched with the size of the fixing seat, and meanwhile the fixing seat is clamped in the positioning groove and fixed through a plurality of groups of bolts.
Preferably, the lateral part of mount pad has seted up the opening, and the size looks adaptation of opening and tailpiece, and the tailpiece joint is in the inside of opening simultaneously.
Preferably, the overvoltage protection component comprises a fixed seat, a stress groove, a safety piece and a tail piece, the safety piece is welded on the inner wall of the fixed seat, the right end of the fixed seat is fixed with the tail piece, the transverse section of the safety piece is in a C-shaped structure, the stress groove is formed in the surface of the safety piece, and the stress groove consists of eight groups of strip-shaped grooves and one group of annular grooves.
Compared with the prior art, the utility model has the beneficial effects that: the high-pressure fluid enters into the communicating pipe and impacts on the overpressure protection component, finally impacts on the safety disc, the safety disc is provided with a stress groove, the stress groove is weak in stress under the pressure action, the safety disc is broken under the impact of the high-pressure water flow, the pressure is released through the breakage of the safety disc, the overpressure protection is carried out on the pressure regulating valve body, and the service life of the pressure regulating valve body is prolonged.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic view of the water inlet end of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A in FIG. 2;
FIG. 4 is an exploded view of the structural mount and overpressure shield assembly of the present utility model;
FIG. 5 is a top view of the structural mount of the present utility model;
FIG. 6 is a top view of the structural overvoltage protection assembly of the present utility model;
fig. 7 is a three-dimensional view of a structural impact-blocking assembly of the present utility model.
Reference numerals in the drawings: 1. a pneumatic actuator; 2. a pressure regulating valve body; 3. a water inlet end; 4. a water outlet end; 5. a protection device; 51. a communicating pipe; 52. a mounting base; 520. a positioning groove; 521. a notch; 53. an overpressure protection assembly; 531. a fixing seat; 532. a stress groove; 533. a security pane; 534. tail pieces; 54. a fixing ring; 55. a blocking impact assembly; 56. impact the recess.
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. 1-7, the present utility model provides a protection device for a pneumatic flow-regulating pressure regulating valve, comprising a pressure regulating valve body 2, wherein a pneumatic actuator 1 is installed at the top of the pressure regulating valve body 2, a water outlet end 4 is fixedly installed at one side of the bottom of the pressure regulating valve body 2, a water inlet end 3 is fixedly installed at the other side of the bottom of the pressure regulating valve body 2, and a protection device 5 is fixedly installed at the water inlet end 3 on the pressure regulating valve body 2;
the protection device 5 comprises a communicating pipe 51, a mounting seat 52, an overvoltage protection component 53 and a fixed ring 54, wherein the communicating pipe 51 is welded on the surface of the water inlet end 3 and is communicated with the water inlet end 3, the mounting seat 52 is welded at one end of the communicating pipe 51 far away from the water inlet end 3, the overvoltage protection component 53 is clamped in the mounting seat 52, the fixed ring 54 is covered on the upper side of the overvoltage protection component 53, and the overvoltage protection component 53 is fixed between the fixed ring 54 and the mounting seat 52 through a plurality of groups of bolts.
Working principle: when the pressure regulating valve body 2 is in operation and the inside of the pressure regulating valve body is in overpressure, high-pressure fluid is impacted inside the water inlet end 3 and enters the inside of the protection device 5, the high-pressure fluid enters the inside of the communicating pipe 51 and impacts on the overpressure protection component 53 and finally impacts on the safety sheet 533, the safety sheet 533 is provided with the stress groove 532, the stress groove 532 is in pressure action, the pressure bearing capacity is weak, the safety sheet 533 is broken under the impact of high-pressure water flow, the pressure is released through the breakage of the safety sheet 533, the pressure regulating valve body 2 is in overpressure protection, and the service life of the pressure regulating valve body 2 is prolonged.
As a preferred embodiment, the impact blocking assembly 55 is mounted on the upper side of the fixing ring 54, and the impact blocking assembly 55 is made of metal material and has an L-shaped transverse cross section, and the end of the impact blocking assembly 55 is mounted on the pressure regulating valve body 2 through a hexagon socket.
As shown in fig. 3: when the high-pressure water flow breaks through the safety sheet 533 and vertically impacts on the blocking impact assembly 55, the high-pressure water flow is prevented from shooting on the body of the inspection staff under the blocking work of the blocking impact assembly 55.
As a preferred embodiment, the impact-blocking member 55 is provided with an impact groove 56 on the bottom surface thereof, and the impact groove 56 is provided with an arc-shaped cross section, and the impact groove 56 is provided opposite to the safety plate 533.
As shown in fig. 1-3: the impact groove 56 is opposite to the safety plate 533, and jet flow impacted by the safety plate 533 impacts the surface of the impact groove 56, and the jet flow is blocked by the impact groove 56, so that the jet flow is dispersed, the jet flow velocity is reduced, and the damage to workers caused by the jet flow impacting on the body is avoided.
As a preferred embodiment, the surface of the mounting seat 52 is provided with a positioning groove 520, and the positioning groove 520 is matched with the size of the fixing seat 531, and meanwhile, the fixing seat 531 is clamped inside the positioning groove 520 and is fixed by a plurality of groups of bolts.
As shown in fig. 4-7: fixing base 531 joint is fixed in the inside of constant head tank 520 and through multiunit bolt, guarantees the stability of fixing base 531 when the during operation, can not take place not hard up.
As a preferred embodiment, a notch 521 is formed on a side portion of the mounting base 52, and the size of the notch 521 is matched with that of the tail piece 534, and meanwhile, the tail piece 534 is clamped inside the notch 521.
As shown in fig. 4-6: the tail 534 is clamped inside the notch 521, the bolt on the fixing ring 54 can be detached, and the tail 534 is held by hand, so that the overvoltage protection component 53 can be quickly taken out from the inside of the positioning groove 520.
As a preferred embodiment, the overvoltage protection component 53 includes a fixing base 531, a stress groove 532, a safety plate 533 and a tail plate 534, the safety plate 533 is welded on the inner wall of the fixing base 531, the right end of the fixing base 531 is fixed with the tail plate 534, the transverse section of the safety plate 533 is in a "C" shape, the stress groove 532 is formed on the surface of the safety plate 533, and the stress groove 532 is composed of eight groups of strip-shaped grooves and one group of annular grooves.
As shown in fig. 4: the transverse section of the safety sheet 533 is in a C shape, jet flow impacts the bottom surface of the safety sheet 533, so that the safety sheet 533 is convenient to bear force, and the surface of the safety sheet 533 in an arc shape is more uniform when being stressed.
The surface of the safety plate 533 is provided with a stress groove 532, and the stress groove 532 consists of eight groups of strip-shaped grooves and a group of annular grooves; the depth of the stress groove 532 is equal to the thickness of the safety plate 533, the air flow impacts on the safety plate 533, the stress groove 532 has weak pressure bearing capacity and is easy to break, and the pressure relief of the pressure regulating valve body 2 is facilitated.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a pneumatic flow regulating and pressure regulating valve protection device, includes pressure regulating valve body (2), pneumatic executor (1) are installed at the top of pressure regulating valve body (2), and bottom one side fixed mounting of pressure regulating valve body (2) has water outlet end (4), and the bottom opposite side fixed mounting of pressure regulating valve body (2) has water inlet end (3), its characterized in that simultaneously: a protection device (5) is fixedly arranged at the water inlet end (3) of the pressure regulating valve body (2);
the protection device (5) comprises a communicating pipe (51), a mounting seat (52), an overvoltage protection component (53) and a fixed ring (54), wherein the communicating pipe (51) is welded on the surface of the water inlet end (3) and is communicated with the interior of the water inlet end (3), meanwhile, the mounting seat (52) is welded at one end of the communicating pipe (51) far away from the water inlet end (3), the overvoltage protection component (53) is clamped in the mounting seat (52), the fixed ring (54) is covered on the upper side of the overvoltage protection component (53), and the overvoltage protection component (53) is fixed between the fixed ring (54) and the mounting seat (52) through a plurality of groups of bolts;
a positioning groove (520) is formed in the surface of the mounting seat (52), the positioning groove (520) is matched with the size of the fixing seat (531), and meanwhile the fixing seat (531) is clamped in the positioning groove (520) and is fixed through a plurality of groups of bolts; the side part of the mounting seat (52) is provided with a notch (521), the size of the notch (521) is matched with that of the tail piece (534), and meanwhile, the tail piece (534) is clamped in the notch (521); the overvoltage protection component (53) comprises a fixing seat (531), a stress groove (532), a safety piece (533) and a tail piece (534), the safety piece (533) is welded on the inner wall of the fixing seat (531), the right end of the fixing seat (531) is fixed with the tail piece (534), the transverse section of the safety piece (533) is in a C-shaped structure, the stress groove (532) is formed in the surface of the safety piece (533), and the stress groove (532) consists of eight groups of strip-shaped grooves and one group of annular grooves.
2. The protection device for a pneumatic flow regulating and pressure regulating valve as set forth in claim 1, wherein: the upper side of the fixed ring (54) is provided with a blocking impact assembly (55), the blocking impact assembly (55) is of a structure which is made of metal materials and is L-shaped in transverse section, and meanwhile, the end part of the blocking impact assembly (55) is arranged on the pressure regulating valve body (2) through an inner hexagonal stud.
3. The protection device for a pneumatic flow regulating and pressure regulating valve according to claim 2, wherein: the impact-blocking assembly (55) is characterized in that an impact groove (56) is formed in the bottom surface of the impact-blocking assembly, the transverse section of the impact groove (56) is arc-shaped, and the impact groove (56) and the safety disc (533) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523568.2U CN220551548U (en) | 2023-06-15 | 2023-06-15 | Pneumatic flow-regulating pressure regulating valve protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523568.2U CN220551548U (en) | 2023-06-15 | 2023-06-15 | Pneumatic flow-regulating pressure regulating valve protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551548U true CN220551548U (en) | 2024-03-01 |
Family
ID=90003684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321523568.2U Active CN220551548U (en) | 2023-06-15 | 2023-06-15 | Pneumatic flow-regulating pressure regulating valve protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551548U (en) |
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2023
- 2023-06-15 CN CN202321523568.2U patent/CN220551548U/en active Active
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