CN212480257U - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN212480257U CN212480257U CN202020975047.0U CN202020975047U CN212480257U CN 212480257 U CN212480257 U CN 212480257U CN 202020975047 U CN202020975047 U CN 202020975047U CN 212480257 U CN212480257 U CN 212480257U
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- CN
- China
- Prior art keywords
- pressure relief
- water outlet
- safety valve
- water inlet
- adjusting screw
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Abstract
The utility model discloses a safety valve, which comprises a body, wherein the body is provided with a water inlet, a water outlet and a pressure relief mechanism, the water inlet is communicated with the water outlet, the number of the pressure relief mechanism is two, the structure is symmetrical to each other and is vertical to the center of the water outlet, the body is positioned at the water inlet end and is provided with an external thread part, the water outlet is provided with a rubber pad, a plastic seat, a tower-shaped spring and a positioning guide sheet, one end surface of the rubber pad is attached to the end surface of a first bulge, the other end surface is attached to the end surface of the plastic seat, the positioning guide sheet is provided with a center hole and a plurality of water leakage holes; the pressure relief mechanism is provided with a sealing pad seat, a compression spring, an adjusting screw, a cover plate and a pressure relief opening. The utility model has the advantages of simple structure, can use the relief valve to realize the quick pressure release to the pipeline.
Description
Technical Field
The utility model belongs to the technical field of the valve and specifically relates to a relief valve is related to.
Background
The pipeline plays important effect as the transmission path who connects between each water supply system, and people all know that the pipeline receives the impact effect of water everywhere, and the pressure that bears is diverse, and serious can arouse the pipeline to break, causes to leak, therefore we must set up a device that is used for the pressure release in the pipeline, realize the pressure reduction of pipeline.
Disclosure of Invention
The utility model aims to solve the technical problem that a relief valve is provided, through establish the pressure release mechanism on the valve body, realize the pipeline pressure release.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a safety valve comprises a body, wherein the body is provided with a water inlet, a water outlet and pressure relief mechanisms, the water inlet is communicated with the water outlet, the number of the pressure relief mechanisms is two, the two pressure relief mechanisms are symmetrical in structure and are vertical to the center of the water outlet, an external thread part is arranged at the water inlet end of the body, the water outlet is provided with a first bulge, the water outlet is provided with a rubber pad, a plastic seat, a tower-shaped spring and a positioning guide sheet, one end surface of the rubber pad is attached to the end surface of the first bulge, the other end surface of the rubber pad is attached to the end surface of the plastic seat, the positioning guide sheet is provided with a center hole and a plurality of water leakage holes, and the positioning guide sheet is in threaded connection with the water; delivery port, pressure relief mechanism between be provided with the runner, the runner end be provided with the second bellying, pressure relief mechanism be provided with sealing pad seat, compression spring, adjusting screw, cover plate, pressure release mouth, sealing pad seat be provided with sealed the pad, sealed terminal surface and the terminal surface laminating of second bellying under filling up, sealing pad seat upper end insert compression spring's centre hole, the adjusting screw lower extreme insert compression spring's centre hole, adjusting screw and pressure relief mechanism threaded connection, the up end of adjusting screw and the lower terminal surface laminating of cover plate, cover plate and pressure relief mechanism fastening connection, the direction of pressure release mouth and sealed direction of motion mutually perpendicular who fills up.
As a further improvement of the utility model, the pressure relief opening end is provided with a boss. After the hose is inserted into the boss, the hose can be firmer when being held tightly by a hoop or a ribbon.
As a further improvement of the utility model, the adjusting screw is provided with an inner hexagonal hole. During assembly, the operation of an inner hexagonal wrench can be used.
As a further improvement of the utility model, the plastic seat be provided with step portion, step portion pass the centre bore of turriform spring and location guide piece. When the plastic seat moves in the water outlet, the step part can play a role in guiding.
As a further improvement of the utility model, the step part is provided with an arc head. The arc head can smoothly guide the plastic seat into the central hole of the positioning guide sheet.
As a further improvement of the utility model, the end part of the body, which is positioned at the water outlet, is provided with an outer hexagonal part. During assembly, the outer hexagonal part is clamped in the hexagonal groove, so that positioning is facilitated, and other spare and accessory parts can be conveniently installed.
As a further improvement of the utility model, the quantity of the pressure relief mechanisms can also be three, and the three pressure relief mechanisms are evenly distributed in the circumferential direction of the water inlet center shaft by 120 degrees included angles. Three pressure relief mechanism open simultaneously, can be more quick realize the pressure release.
As a further improvement, the number of the pressure relief mechanisms can be four, and the four pressure relief mechanisms are uniformly distributed in the circumferential direction of the water inlet center shaft at 90-degree included angles. Four pressure relief mechanisms open simultaneously, can be more quick realize the pressure release, and when certain pressure relief mechanism blockked up, the pressure release can also be realized to other several pressure relief mechanisms.
The working principle is as follows: the body is connected with the pipeline through the external thread part, fluid passes through the water inlet, when the pressure of the fluid is smaller than the lower limit value of the set range, the tower-shaped spring props against the plastic seat, so that the rubber pad and the first bulge part are in a joint sealing state, and at the moment, a passage between the water inlet and the water outlet is closed; when fluid pressure is greater than the lower limit value of the set range and is less than the upper limit value of the set range, the fluid can prop open the rubber pad and then flows into the water outlet, the positioning guide piece is provided with a water leakage hole, so the fluid can flow out through the water leakage hole, meanwhile, the fluid also props open the sealing gasket of one of the pressure relief mechanisms to discharge water and relieve pressure, when the fluid pressure continuously rises to exceed the upper limit value of the set range, the fluid can prop open the sealing gasket of the other pressure relief mechanism to discharge water and relieve pressure, and therefore rapid pressure relief is achieved.
The utility model has the advantages of simple structure, and can use the safety valve to realize the rapid pressure relief of the pipeline, thereby avoiding the pipeline from breaking and causing water leakage; the water inlet and the water outlet are communicated, which is beneficial to the fluid to smoothly flow into the water outlet from the water inlet, the number of the pressure relief mechanisms is two, the structures are symmetrical, and is vertical to the water outlet, so that the fluid in the water outlet can vertically act on the surface of the sealing gasket, the sealing gasket is prevented from being inclined due to the inclined force of the fluid on the sealing gasket, thereby influence sealing performance when making sealed the pad reset, adjusting screw can finely tune compression spring's elasticity value, the external screw thread portion is convenient for the body and is connected with the pipeline, first bellying, the second bellying can respectively with the rubber pad, the terminal surface of sealed pad is identical, make sealing performance safe and reliable more, turriform spring guarantees that the rubber pad can compress tightly first bellying, compression spring can guarantee to seal up to compress tightly the second bellying, the hole that leaks can be followed the outlet end discharge with the fluid, the cover plate guarantees that adjusting screw can not fall out the inner chamber.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic exploded sectional view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first implementation case is as follows: as shown in fig. 1 to 2: a safety valve comprises a body 16, wherein the body 16 is provided with a water inlet 24, a water outlet 15 and a pressure relief mechanism 20, the water inlet 24 is communicated with the water outlet 15, the number of the pressure relief mechanisms 20 is two, the pressure relief mechanisms are symmetrical in structure and perpendicular to the center of the water outlet 15, an external threaded part 17 is arranged at the end, located at the water inlet 24, of the body 16, a first protruding part 18 is arranged at the water outlet 15, the water outlet 15 is provided with a rubber pad 7, a plastic seat 8, a tower-shaped spring 9 and a positioning guide sheet 10, one end face of the rubber pad 7 is attached to the end face of the first protruding part 18, the other end face of the rubber pad is attached to the end face of the plastic seat 8, the positioning guide sheet 10 is provided with a central hole 11; the water outlet 15, be provided with the runner 25 between the pressure relief mechanism 20, the runner 25 end is provided with second bellying 19, pressure relief mechanism 20 is provided with sealing gasket seat 4, compression spring 3, adjusting screw 2, the cover plate 1, pressure relief mouth 23, sealing gasket seat 4 is provided with sealed 5, sealed 5 lower terminal surface of filling up is laminated with the terminal surface of second bellying 19 mutually, the centre hole of compression spring 3 is inserted to sealing gasket seat 4 upper end, adjusting screw 2 lower extreme inserts the centre hole of compression spring 3, adjusting screw 2 and pressure relief mechanism 20 threaded connection, the up end of adjusting screw 2 is laminated with the lower terminal surface of cover plate 1, cover plate 1 and pressure relief mechanism 20 fastening connection, the direction of pressure relief mouth 23 and the sealed 5 direction of motion mutually perpendicular of filling up.
The pressure relief port 23 is provided with a boss 22.
The adjusting screw 2 is provided with a hexagon socket 21.
The plastic seat 8 is provided with a step 14, and the step 14 passes through the tower-shaped spring 9 and the center hole 11 of the positioning guide piece 10.
The step portion 14 is provided with an arc head 13.
The end of the body 16 at the outlet 15 is provided with an external hex 6.
The second implementation case is as follows: the number of the pressure relief mechanisms 20 can also be three, and the three pressure relief mechanisms 20 are uniformly distributed in the circumferential direction of the central axis of the water inlet 24 at an included angle of 120 degrees. The pressure relief mechanism has the same structure and is not described in detail.
The third embodiment is as follows: the number of the pressure relief mechanisms 20 can also be four, and the four pressure relief mechanisms 20 are uniformly distributed in the circumferential direction of the central axis of the water inlet 24 at 90-degree included angles. The pressure relief mechanism has the same structure and is not described in detail.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A safety valve comprises a body and is characterized in that the body is provided with a water inlet, a water outlet and two pressure relief mechanisms, the water inlet is communicated with the water outlet, the two pressure relief mechanisms are symmetrical in structure and are vertical to the center of the water outlet, an external thread part is arranged at the water inlet end of the body, a first bulge is arranged at the water outlet, a rubber pad, a plastic seat, a tower-shaped spring and a positioning guide sheet are arranged at the water outlet, one end face of the rubber pad is attached to the end face of the first bulge, the other end face of the rubber pad is attached to the end face of the plastic seat, the positioning guide sheet is provided with a center hole and a plurality of water leakage holes, and the positioning guide sheet is in threaded connection with the water outlet; delivery port, pressure relief mechanism between be provided with the runner, the runner end be provided with the second bellying, pressure relief mechanism be provided with sealing pad seat, compression spring, adjusting screw, cover plate, pressure release mouth, sealing pad seat be provided with sealed the pad, sealed terminal surface and the terminal surface laminating of second bellying under filling up, sealing pad seat upper end insert compression spring's centre hole, the adjusting screw lower extreme insert compression spring's centre hole, adjusting screw and pressure relief mechanism threaded connection, the up end of adjusting screw and the lower terminal surface laminating of cover plate, cover plate and pressure relief mechanism fastening connection, the direction of pressure release mouth and sealed direction of motion mutually perpendicular who fills up.
2. A safety valve according to claim 1, wherein the number of said pressure relief means is three or four, and when the number of said pressure relief means is three, said pressure relief means are uniformly distributed in the circumferential direction of the central axis of said water inlet at an included angle of 120 degrees, and when the number of said pressure relief means is four, said pressure relief means are uniformly distributed in the circumferential direction of the central axis of said water inlet at an included angle of 90 degrees.
3. A safety valve as claimed in claim 1, wherein the pressure relief port end is provided with a boss.
4. A safety valve according to claim 1, wherein the adjusting screw is provided with a hexagonal socket.
5. A safety valve according to claim 1, wherein the plastic seat is provided with a step which extends through the central hole of the tower spring and the positioning guide.
6. A safety valve according to claim 5, wherein said step portion is provided with an arcuate head.
7. A safety valve according to claim 1 wherein the end of the body at the outlet is provided with an external hex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975047.0U CN212480257U (en) | 2020-06-01 | 2020-06-01 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975047.0U CN212480257U (en) | 2020-06-01 | 2020-06-01 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480257U true CN212480257U (en) | 2021-02-05 |
Family
ID=74448003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020975047.0U Active CN212480257U (en) | 2020-06-01 | 2020-06-01 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480257U (en) |
-
2020
- 2020-06-01 CN CN202020975047.0U patent/CN212480257U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |