CN111156337A - Adjustable automatic pressure relief device for waterproof hammer - Google Patents
Adjustable automatic pressure relief device for waterproof hammer Download PDFInfo
- Publication number
- CN111156337A CN111156337A CN201911391292.5A CN201911391292A CN111156337A CN 111156337 A CN111156337 A CN 111156337A CN 201911391292 A CN201911391292 A CN 201911391292A CN 111156337 A CN111156337 A CN 111156337A
- Authority
- CN
- China
- Prior art keywords
- pressure relief
- shell
- pressure
- main
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an adjustable automatic pressure relief device for a waterproof hammer, which is characterized by comprising a main through shell, a pressure relief shell, a reversing sealing plate, a buffer tube, a pressure storage tank, a sealing piston, a pre-tightening spring, a sealing cover and a pressure knob. The invention does not influence the normal water supply of the secondary water supply equipment, can automatically guide, shunt and release pressure when the secondary water supply equipment generates the water hammer effect, prevents the secondary water supply equipment and the water supply pipeline from being damaged by the water hammer effect, and eliminates the hidden danger of the water hammer.
Description
Technical Field
The invention relates to the field of automatic pressure relief devices for waterproof hammers, and particularly belongs to an adjustable automatic pressure relief device for a waterproof hammer.
Background
The secondary water supply equipment is a key core equipment for guaranteeing domestic water of residential houses, and normal water use of the residential houses can be guaranteed only by safe operation of the secondary water supply equipment. When the secondary water supply equipment which normally operates stops water, breaks down or is shut down protectively and the like, the water hammer effect can occur, the water hammer effect has great destructiveness, and when the pressure is too high, the water supply pipeline can be broken; when the pressure is too low, the water supply pipeline is shrunken and collapsed, and secondary water supply equipment is damaged. The water hammer effect has serious potential safety hazard to secondary water supply equipment and water supply pipelines, and in order to eliminate the potential safety hazard generated by the water hammer effect, a pressure relief device is usually installed on a water outlet pipeline of the secondary water supply equipment. When current ordinary pressure relief device is in actual use, there is the following problem: 1, a common pressure relief device is usually arranged on an external water outlet pipeline of secondary water supply equipment, so that normal water supply of the water outlet pipeline is prevented; 2, the common pressure relief device can not automatically guide the backflow water body and perform shunting pressure relief when the water hammer effect is generated. Therefore, the invention provides an adjustable automatic pressure relief device for a waterproof hammer.
Disclosure of Invention
The invention provides an adjustable automatic pressure relief device for a waterproof hammer, which solves the problems in the background art through the overall research and development design of a main through shell, a pressure relief shell, a reversing sealing plate, a buffer tube, a pressure storage tank, a sealing piston, a pre-tightening spring, a sealing cover and a pressure knob.
The technical scheme adopted by the invention is as follows:
an adjustable automatic pressure relief device of a waterproof hammer is characterized by comprising a main through shell, a pressure relief shell, a reversing sealing plate, a buffer tube, a pressure storage tank, a sealing piston, a pre-tightening spring, a sealing cover and a pressure knob, wherein the main through shell is connected with the pressure relief shell in a sealing way, the reversing sealing plate is arranged inside the main through shell, the buffer tube is arranged outside the pressure relief shell, the pressure storage tank is arranged at one end of the buffer tube, the sealing piston and the pre-tightening spring are connected and arranged inside the pressure relief shell, the sealing cover is arranged on the right side of the pressure relief shell, the pressure knob is screwed on the sealing cover, one end of the pressure knob is connected with the pre-tightening spring, the main through shell is a hollow body, a water inlet port is arranged at the bottom side end of the main through shell, a water outlet port is arranged at the top side end of the main through shell, a reversing groove is arranged, the pressure relief shell is a hollow body, the left side end of the pressure relief shell is provided with a pressure relief water inlet, the right side end of the pressure relief shell is provided with a piston hole, the bottom side end of the pressure relief shell is provided with a pressure relief port, the left side end of the pressure relief shell is provided with a pressure relief water inlet, is closely connected with the pressure relief water outlet at the right side end of the main through shell, the buffer tube is arranged above the pressure relief water inlet area at the outer side of the pressure relief shell and is communicated with the pressure relief water inlet, the pressure storage tank is internally stored with pressure and communicated with the buffer tube, the left end of the sealing piston is provided with a sealing gasket, the right end of the sealing piston is connected with the left end of the pre-tightening spring, the sealing piston and the pre-tightening spring are transversely arranged in a piston hole at the right end of the pressure relief shell, the sealing piston can move left and right in the piston hole, the sealing cover is arranged on the outer side of a piston hole at the right side end of the pressure relief shell, the pressure knob is screwed on the sealing cover, and the left end of the pressure knob is connected with the right end of the pre-tightening spring.
Preferably, the reversing sealing plate is in an open state or a closed state inside the main through shell.
Preferably, the main through shell is provided with a sealing plate supporting protrusion opposite to the reversing groove on the inner side.
Compared with the prior art, the invention has the following beneficial effects:
through the whole research and development design of the main through shell, the pressure relief shell, the reversing sealing plate, the buffer tube, the pressure storage tank, the sealing piston, the pre-tightening spring, the sealing cover and the pressure knob, the adjustable automatic pressure relief device for the waterproof hammer is manufactured. When the pressure relief device is actually used, a water inlet port and a water outlet port in the main through shell are arranged on an external water outlet pipeline of secondary water supply equipment, and a pressure relief safety value is set through a pressure knob; when the secondary water supply equipment normally supplies water, the reversing sealing plate in the main through shell is in an open state, the water inlet port and the water outlet port on the main through shell are communicated, and the reversing sealing plate closes the pressure relief water outlet on the right side of the main through shell, so that the secondary water supply equipment and a water supply pipeline can normally supply water, and meanwhile, a water body cannot leak through the pressure relief water outlet; when the water hammer effect occurs, the reversing sealing plate is in a closed state under the downward action of the water body, the reversing sealing plate is in close contact with the supporting protrusion on the inner side of the main through shell, the water inlet port and the water outlet port on the main through shell are disconnected in a communicated manner, the downward water body enters the pressure relief water inlet on the left side of the pressure relief shell through the pressure relief water outlet on the right side of the main through shell under the guiding action of the reversing sealing plate, when the water body pressure is smaller than a set pressure relief safety value, the water body enters the pressure storage tank through the flow division of the buffer tube, the water body pressure is relieved under the action of the internal pressure of the pressure storage tank; when water pressure is greater than the pressure release safe value of settlement, the water promotes sealed piston and moves right, last pressure release water inlet and the pressure release port intercommunication of pressure release casing, the water reposition of redundant personnel gets into pressure release casing bottom pressure release port, rethread pressure release port discharge pressure release casing, slow down water pressure, water pressure slows down when being less than pressure release safe value, sealed piston is under the effect of pretension spring, sealed piston moves left, last pressure release water inlet of pressure release casing, the disconnection of pressure release port intercommunication, ensure that pressure relief device can the automatic guidance, and reposition of redundant personnel pressure release, prevent water hammer effect to secondary water supply equipment, and the damage that water supply pipe caused, eliminate water hammer hidden danger.
The invention does not influence the normal water supply of the secondary water supply equipment, can automatically guide, shunt and release pressure when the secondary water supply equipment generates the water hammer effect, prevents the secondary water supply equipment and the water supply pipeline from being damaged by the water hammer effect, and eliminates the hidden danger of the water hammer.
Drawings
FIG. 1 is a horizontal longitudinal sectional view of a central vertical plane when the reversing sealing plate is in an open state after the integral assembly of the invention is completed,
fig. 2 is a schematic view of horizontal and longitudinal cutting of a central vertical plane when the reversing sealing plate is in a closed state after the integral assembly is completed and the sealing piston moves rightwards.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the drawings: an adjustable automatic pressure relief device for a waterproof hammer is characterized by comprising a main through shell 1, a pressure relief shell 9, a reversing sealing plate 2, a buffer tube 3, a pressure storage tank 4, a sealing piston 8, a pre-tightening spring 7, a sealing cover 5 and a pressure knob 6, wherein the main through shell 1 is in sealing connection with the pressure relief shell 9, the reversing sealing plate 2 is installed inside the main through shell 1, the buffer tube 3 is installed outside the pressure relief shell 9, the pressure storage tank 4 is installed at one end of the buffer tube 3, the sealing piston 8 and the pre-tightening spring 7 are connected with each other and installed inside the pressure relief shell 9, the sealing cover 5 is installed at the right side of the pressure relief shell 9, the pressure knob 6 is screwed on the sealing cover 5, one end of the pressure knob 6 is connected with the pre-tightening spring 7, the main through shell 1 is a hollow body, a water inlet port 105 is arranged at the bottom side end of the main through shell 1, a water outlet port 102 is arranged at, a reversing groove 104 is arranged on one side close to the pressure relief water outlet 103, one end of the reversing sealing plate 2 is embedded in the reversing groove 104, the pressure relief shell 9 is a hollow body, the left end of the pressure relief shell 9 is provided with a pressure relief water inlet 901, the right end of the pressure relief shell 9 is provided with a piston hole 902, the bottom end of the pressure relief shell is provided with a pressure relief port 903, the pressure relief water inlet 901 at the left end of the pressure relief shell 9 is closely connected with the pressure relief water outlet 103 at the right end of the main through shell 1, the buffer tube 3 is arranged above the area of the pressure relief water inlet 901 at the outer side of the pressure relief shell 9 and is communicated with the pressure relief water inlet 901, the pressure storage tank 4 is communicated with the buffer tube 3, the left end of the sealing piston 8 is provided with a sealing gasket 801, the right end of the sealing piston 8 is connected with the left end of the pre-tightening spring, the sealing cover 5 is arranged on the outer side of a piston hole 902 at the right side end of the pressure relief shell 9, the pressure knob 6 is screwed on the sealing cover 5, and the left end of the pressure knob 6 is connected with the right end of the pre-tightening spring 7.
Preferably, the reversing sealing plate 2 is in an open state or a closed state inside the main casing 1.
Preferably, the main housing 1 has a sealing plate supporting protrusion 101 at an opposite side of the reversing groove 104.
When in use: a water inlet port 105 and a water outlet port 102 in the main through shell 1 are arranged on an external water outlet pipeline of secondary water supply equipment, and a pressure relief safety value is set through a pressure knob 6; when the secondary water supply equipment normally supplies water, the reversing sealing plate 2 in the main through shell 1 is in an open state, the water inlet port 105 on the main through shell 1 is communicated with the water outlet port 102, and the reversing sealing plate 2 closes the pressure relief water outlet 103 on the right side of the main through shell 1, so that the secondary water supply equipment and a water supply pipeline are ensured to normally supply water, and meanwhile, a water body cannot leak through the pressure relief water outlet 103; when a water hammer effect occurs, the reversing sealing plate 2 is in a closed state under the action of the downward water body, the reversing sealing plate 2 is in close contact with the sealing plate supporting protrusion 101 on the inner side of the main through shell 1, the communication between the water inlet port 105 and the water outlet port 102 on the main through shell 1 is disconnected, the downward water body enters the pressure relief water inlet 901 on the left side end of the pressure relief shell 9 through the pressure relief water outlet 103 on the right side end of the main through shell 1 under the guiding action of the reversing sealing plate 2, when the water body pressure is smaller than a set pressure relief safety value, the water body enters the pressure storage tank 4 through the flow division of the buffer tube 3, the water body pressure is relieved under the action of the internal pressure of the pressure storage tank; when water pressure is greater than the pressure release safe value of settlement, the water promotes sealed piston 8 and moves right, pressure release water inlet 901 and pressure release port 903 intercommunication on the pressure release casing 9, the water reposition of redundant personnel gets into pressure release casing 9 bottom pressure release port 903, rethread pressure release port 903 discharge pressure release casing 9, slow down water pressure, water pressure slows down when being less than the pressure release safe value, sealed piston 8 is under pretension spring 7's effect, sealed piston 8 moves left, the intercommunication disconnection between pressure release water inlet 901 and the pressure release port 903 on the pressure release casing 9, ensure that pressure relief device can the automatic guidance, and reposition of redundant personnel pressure release, prevent water hammer effect to secondary water supply equipment, and the damage that the water supply pipe caused, eliminate water hammer hidden danger.
The invention solves the following problems in the actual use of the common pressure relief device: 1, a common pressure relief device is usually arranged on an external water outlet pipeline of secondary water supply equipment, so that normal water supply of the water outlet pipeline is prevented; 2, the common pressure relief device can not automatically guide the backflow water body and perform shunting pressure relief when the water hammer effect is generated. Meanwhile, the invention does not influence the normal water supply of the secondary water supply equipment, can automatically guide, shunt and release pressure when the secondary water supply equipment generates the water hammer effect, prevents the secondary water supply equipment and the water supply pipeline from being damaged by the water hammer effect, and eliminates the hidden danger of the water hammer.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (3)
1. An adjustable automatic pressure relief device of a waterproof hammer is characterized by comprising a main through shell, a pressure relief shell, a reversing sealing plate, a buffer tube, a pressure storage tank, a sealing piston, a pre-tightening spring, a sealing cover and a pressure knob, wherein the main through shell is connected with the pressure relief shell in a sealing way, the reversing sealing plate is arranged inside the main through shell, the buffer tube is arranged outside the pressure relief shell, the pressure storage tank is arranged at one end of the buffer tube, the sealing piston and the pre-tightening spring are connected and arranged inside the pressure relief shell, the sealing cover is arranged on the right side of the pressure relief shell, the pressure knob is screwed on the sealing cover, one end of the pressure knob is connected with the pre-tightening spring, the main through shell is a hollow body, a water inlet port is arranged at the bottom side end of the main through shell, a water outlet port is arranged at the top side end of the main through shell, a reversing groove is arranged, the pressure relief shell is a hollow body, the left side end of the pressure relief shell is provided with a pressure relief water inlet, the right side end of the pressure relief shell is provided with a piston hole, the bottom side end of the pressure relief shell is provided with a pressure relief port, the left side end of the pressure relief shell is provided with a pressure relief water inlet, is closely connected with the pressure relief water outlet at the right side end of the main through shell, the buffer tube is arranged above the pressure relief water inlet area at the outer side of the pressure relief shell and is communicated with the pressure relief water inlet, the pressure storage tank is internally stored with pressure and communicated with the buffer tube, the left end of the sealing piston is provided with a sealing gasket, the right end of the sealing piston is connected with the left end of the pre-tightening spring, the sealing piston and the pre-tightening spring are transversely arranged in a piston hole at the right end of the pressure relief shell, the sealing piston can move left and right in the piston hole, the sealing cover is arranged on the outer side of a piston hole at the right side end of the pressure relief shell, the pressure knob is screwed on the sealing cover, and the left end of the pressure knob is connected with the right end of the pre-tightening spring.
2. The adjustable automatic pressure relief device for the waterproof hammer according to claim 1, wherein the reversing sealing plate is in an open state or a closed state inside the main through shell.
3. The adjustable automatic pressure relief device for a waterproof hammer according to claim 1, wherein the main through housing has a sealing plate supporting protrusion opposite to the reversing groove inside the main through housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391292.5A CN111156337A (en) | 2019-12-30 | 2019-12-30 | Adjustable automatic pressure relief device for waterproof hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391292.5A CN111156337A (en) | 2019-12-30 | 2019-12-30 | Adjustable automatic pressure relief device for waterproof hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156337A true CN111156337A (en) | 2020-05-15 |
Family
ID=70559370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911391292.5A Pending CN111156337A (en) | 2019-12-30 | 2019-12-30 | Adjustable automatic pressure relief device for waterproof hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664999A (en) * | 2020-05-28 | 2020-09-15 | 山西汾西重工有限责任公司 | Safe pressure relief mechanism and pressure relief method for closed cabin of underwater detector |
-
2019
- 2019-12-30 CN CN201911391292.5A patent/CN111156337A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664999A (en) * | 2020-05-28 | 2020-09-15 | 山西汾西重工有限责任公司 | Safe pressure relief mechanism and pressure relief method for closed cabin of underwater detector |
| CN111664999B (en) * | 2020-05-28 | 2024-05-28 | 山西汾西重工有限责任公司 | Safety pressure relief mechanism and pressure relief method for closed cabin of underwater detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211371397U (en) | Adjustable automatic pressure relief device for waterproof hammer | |
| CN111156337A (en) | Adjustable automatic pressure relief device for waterproof hammer | |
| CN205048037U (en) | Explosion stack connects | |
| CN204358187U (en) | A kind of safety valve structure | |
| CN204201184U (en) | Hydraulic lifting system flameproof apparatus | |
| CN213954516U (en) | Diaphragm type hydraulic control valve for preventing water hammer | |
| CN210770465U (en) | Filter system protector capable of automatically closing water path | |
| CN214500484U (en) | Water conservancy pipeline for water conservancy project is hit in water resistance | |
| CN212899934U (en) | Gas tank with pressure reducing valve | |
| CN108613372B (en) | Pressure-bearing water storage water heater with pressure-bearing water tank protection device | |
| CN210562488U (en) | Pressure stabilizing valve of pressure type flushing system and toilet bowl applying pressure stabilizing valve | |
| CN210031973U (en) | A basement fire water pump pipeline structure operating means for high-rise building | |
| CN210857284U (en) | Anti-freezing fire well suitable for cold areas or environments | |
| CN207989832U (en) | A kind of leakage protection device | |
| CN216590090U (en) | Pressure stabilizing valve | |
| CN202925598U (en) | Silence type pipeline non-negative pressure water supply device | |
| CN206174048U (en) | Water supply equipment with anti -water hammer | |
| CN212868623U (en) | Spring flow-limiting valve | |
| CN212657310U (en) | Mini pressure reducing valve with switch | |
| CN213014482U (en) | Intelligent quick-opening pressure-regulating fire hydrant | |
| CN213361234U (en) | LNG breaking valve | |
| CN203238710U (en) | Water-leakage-preventing protection device | |
| CN214994344U (en) | Full room water system safety protection pipeline | |
| CN212149195U (en) | Oil tank protection device used in deep sea environment | |
| CN108759095B (en) | Pressure-bearing water tank protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |