CN209725343U - A kind of relief valve - Google Patents
A kind of relief valve Download PDFInfo
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- CN209725343U CN209725343U CN201920158424.9U CN201920158424U CN209725343U CN 209725343 U CN209725343 U CN 209725343U CN 201920158424 U CN201920158424 U CN 201920158424U CN 209725343 U CN209725343 U CN 209725343U
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- pressure release
- release section
- valve
- valve body
- pressure
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Abstract
The utility model discloses a kind of relief valve, including valve body, it is equipped in valve body in pressure release passage up and down, pressure release passage includes presenting lower extended pressure release section, the inner sidewall of pressure release section is circular conical surface, the internal diameter of pressure release section is gradually reduced from top to bottom, valve pearl is equipped in pressure release section, the outer diameter of valve pearl is greater than the internal diameter of pressure release section lower port, the outer diameter of valve pearl is less than the internal diameter of pressure release section upper port, the lateral wall of valve pearl is abutted with the inner sidewall of pressure release section, groove is equipped on the inner sidewall of pressure release section, groove is arranged in tilted upward, relief valve is being mounted in delivery pipe, when hot water line needs pressure release to discharge, the hot water or gas buffer water conservancy diversion of valve pearl in pressure release section to high pressure, and the hot water or gas of the low pressure after valve pearl buffers water conservancy diversion pass through groove to which the lower port of pressure release section is discharged, it can be completely hot water line Interior pressure releases, and prevents the generation of safety accident.Pressure release discharge of the utility model for high-pressure bottle or pipeline.
Description
Technical field
The utility model relates to the technical field of valve body, in particular to a kind of relief valve.
Background technique
When water heater heats water, since water temperature increases, the pressure enhancing of hot gas device will cause, so as to cause whole
A hot water line's pressure with higher, when safeguarding if necessary to dismantle hot water line, the hot water line of high pressure can be to dimension
Shield personnel cause to damage, and need the pressure in hot water line to release completely, at this moment need to open vent valves, to hot water line
Pressure release, when emptying pressure release, the high pressure gas or hot water being discharged are easy to be sprayed onto maintenance personnel hot water line, and it is hidden to there is safety
Suffer from, while existing relief valve is all spring, structure is complicated, and it is expensive, and cannot be completely the pressure in hot water line
Power releases, pressure to setting value when just play the role of pressure release.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of simple relief valve of structure, hot water line is being emptied
When pressure release, so that the pressure reduction of gas be discharged or hot water, prevents the generation of safety accident, and can be completely hot-water line
Pressure in road releases.
The solution that the utility model solves its technical problem is:
A kind of relief valve is equipped in valve body including being in vertically arranged valve body in pressure release passage up and down, described
Pressure release passage include presenting lower extended pressure release section, the inner sidewall of the pressure release section is circular conical surface, the pressure release
The internal diameter of section is gradually reduced from top to bottom, and valve pearl is equipped in pressure release section, and the outer diameter of the valve pearl is greater than pressure release section lower port
Internal diameter, the outer diameter of the valve pearl is less than the internal diameter of pressure release section upper port, and the lateral wall of the valve pearl is interior with pressure release section
Side wall abuts, and groove is equipped on the inner sidewall of pressure release section, and the groove is arranged in tilted upward.
As a further improvement of the foregoing solution, the groove is equipped with multiple, and multiple grooves, which are circumferentially alternatively arranged, to be set
It sets on the inner sidewall of pressure release section.
As a further improvement of the foregoing solution, the cylindrical setting of the valve body, the lateral wall on valve body top are set
There is connection screw thread.
As a further improvement of the foregoing solution, it is set with the fastener in nut type in the lateral wall of valve body, it is described
Fastener is fixedly connected with the lateral wall of valve body.
As a further improvement of the foregoing solution, the pressure release passage further includes presenting lower extended inducer,
The lower port of the inducer is docked with the upper port of pressure release section, is sealedly connected with fixed block in the upper port of inducer,
The fixed block is equipped in through-hole up and down, and the internal diameter of the through-hole is less than the outer diameter of valve pearl, the through-hole, into
Mouth section, pressure release section are to be coaxially set.
As a further improvement of the foregoing solution, fixed block setting in the form of annular discs, the outside of the fixed block
Wall is equipped with external screw thread, and the inner sidewall of the inducer upper end is equipped with internal screw thread, and the internal screw thread is matched with external screw thread, described
Fixed block be threadedly coupled with the upper port of inducer.
As a further improvement of the foregoing solution, it is connected in the lower end of valve body in vertically arranged outlet, it is described
The upper end of outlet is fixedly connected with the lower end of valve body, and the upper port of the outlet is connected to the lower port of pressure release section.
As a further improvement of the foregoing solution, the lateral wall of the outlet lower part is equipped with multiple protruding rings, multiple
Protruding ring is alternatively arranged setting in upper and lower.
The beneficial effects of the utility model are: relief valve is mounted in delivery pipe, the upper end of valve body is connect with hot water line,
When hot water line needs pressure release to discharge, vent valves are opened, at this moment pressure release passage is connected to hot water line, high in hot water line
The hot water of pressure perhaps gas by pressure release passage upper port flow into pressure release section and valve pearl in pressure release section to the hot water of high pressure or
Gas buffer water conservancy diversion, while the hot water of high pressure or gas abut the lateral wall of valve pearl and the inner sidewall of pressure release section, and pass through
The hot water or gas of low pressure after crossing valve pearl buffering water conservancy diversion, to which the lower port of pressure release section is discharged, are let out by groove to realize
The function that pressure is put, structure is simple, and hot water line is when emptying pressure release, so that the pressure reduction of gas be discharged or hot water,
The generation of safety accident is prevented, and the pressure in hot water line can be released completely.
Pressure release discharge of the utility model for high-pressure bottle or pipeline.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the main view sectional view of the utility model embodiment；
Fig. 2 is cross-sectional view of the Fig. 1 on Section A-A direction；
Fig. 3 is cross-sectional view of the Fig. 1 on section B-B direction.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to figs. 1 to Fig. 3, this is the embodiments of the present invention, specifically:
A kind of relief valve is equipped with logical in pressure release up and down including being in vertically arranged valve body 100 in valve body 100
Road 200, the pressure release passage 200 include presenting lower extended pressure release section 210, the inner sidewall of the pressure release section 210
Internal diameter for circular conical surface, the pressure release section 210 is gradually reduced from top to bottom, and valve pearl 300 is equipped in pressure release section 210, described
The outer diameter of valve pearl 300 be greater than the internal diameter of 210 lower port of pressure release section, the outer diameter of the valve pearl 300 is less than 210 upper end of pressure release section
The internal diameter of mouth, the lateral wall of the valve pearl 300 are abutted with the inner sidewall of pressure release section 210, are set on the inner sidewall of pressure release section 210
Fluted 220, the groove 220 is arranged in tilted upward.Relief valve is mounted in delivery pipe, the upper end of valve body 100 and heat
Water lines connection opens vent valves when hot water line needs pressure release to discharge, and at this moment pressure release passage 200 and hot water line connect
Logical, the hot water or gas of high pressure flow into pressure release section 210 by 200 upper port of pressure release passage in hot water line, and pressure release section 210
Interior valve pearl 300 makes the outer of valve pearl 300 to the hot water or gas of the hot water of high pressure perhaps gas buffer water conservancy diversion while high pressure
Side wall is abutted with the inner sidewall of pressure release section 210, and the hot water or gas of the low pressure after valve pearl 300 buffers water conservancy diversion are by recessed
Slot 220 is discharged to the lower port of pressure release section 210, to realize the function of pressure release discharge, structure is simple, and hot water line is emptying
When pressure release, so that the pressure reduction of gas be discharged or hot water, prevents the generation of safety accident, and can be completely hot-water line
Pressure in road releases.
It is further used as preferred embodiment, the groove 220 is equipped with multiple, and multiple grooves 220 are circumferentially spaced
It is arranged on the inner sidewall of pressure release section 210.Multiple grooves 220, which are arranged, can be improved the circulation of relief valve, so as to shorten letting out
The time of pressure.
It is further used as preferred embodiment, the cylindrical setting of valve body 100, in the outer of 100 top of valve body
Side wall is equipped with connection screw thread 110.The top of valve body 100 is connect by connection screw thread 110 with delivery pipe, and relief valve and row can be improved
The leakproofness of air hose connection, the phenomenon that preventing leakage.
It is further used as preferred embodiment, is set with the fastener 120 in nut type in the lateral wall of valve body 100,
The fastener 120 is fixedly connected with the lateral wall of valve body 100.Convenient for the installation of valve body 100, pass through spanner and nut type
Fastener 120 is clamped, and can turn valve body 100.
It is further used as preferred embodiment, the pressure release passage 200 further includes presenting lower extended import
Section 230, the lower port of the inducer 230 is docked with the upper port of pressure release section 210, close in the upper port of inducer 230
Envelope is connected with fixed block 240, and the fixed block 240 is equipped in through-hole 241 up and down, the internal diameter of the through-hole 241
Less than the outer diameter of valve pearl 300, the through-hole 241, inducer 230, pressure release section 210 are to be coaxially set.The hot water of high pressure
Or gas is entered in inducer 230 by through-hole 241, and the internal diameter of through-hole 241 is less than the outer diameter of valve pearl 300, can limit
It is only movable in inducer 230, pressure release section 210 to determine valve pearl 300, while through-hole 241, inducer 230, pressure release section 210 are same
Axis setting, flows directly on the lateral wall of valve pearl 300 by the high-pressure water heating and gas of through-hole 241, to improve pressure release
Effect.
It is further used as preferred embodiment, the setting in the form of annular discs of fixed block 240, the fixed block 240
Lateral wall be equipped with external screw thread, the inner sidewall of 230 upper end of inducer is equipped with internal screw thread, the internal screw thread and external screw thread
Matching, the fixed block 240 are threadedly coupled with the upper port of inducer 230.Fixed block 240 and inducer 230 and screw thread connect
It connects, the fastness and leakproofness that fixed block 240 is connect with valve body 100 can be improved.
It is further used as preferred embodiment, is connected in the lower end of valve body 100 in vertically arranged outlet 400,
The upper end of the outlet 400 is fixedly connected with the lower end of valve body 100, the upper port and pressure release section of the outlet 400
210 lower port connection.It can be connected with hose on outlet 400, be suitable for the higher discharge outlet in position, further increase peace
Full performance.
It is further used as preferred embodiment, the lateral wall of 400 lower part of outlet is equipped with multiple protruding rings
410, multiple protruding rings 410 are alternatively arranged setting in upper and lower.The lower part of Hose Jacket inlet/outlet pipe 400 passes through multiple protruding rings 410
The fastness that hose is connect with outlet 400 is improved, prevents hose from falling off.
The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of relief valve, it is characterised in that: including being in vertically arranged valve body (100), be equipped in valve body (100) in up and down
The pressure release passage (200) of perforation, the pressure release passage (200) includes presenting lower extended pressure release section (210), described
The inner sidewall of pressure release section (210) is circular conical surface, and the internal diameter of the pressure release section (210) is gradually reduced from top to bottom, in pressure release section
(210) valve pearl (300) are equipped in, the outer diameter of the valve pearl (300) is greater than the internal diameter of pressure release section (210) lower port, described
The outer diameter of valve pearl (300) is less than the internal diameter of pressure release section (210) upper port, the lateral wall and pressure release section of the valve pearl (300)
(210) inner sidewall abuts, and is equipped with groove (220) on the inner sidewall of pressure release section (210), and the groove (220) is in up and down
It is obliquely installed.
2. a kind of relief valve according to claim 1, it is characterised in that: the groove (220) be equipped with it is multiple, it is multiple recessed
Slot (220), which is circumferentially alternatively arranged, to be arranged on the inner sidewall of pressure release section (210).
3. a kind of relief valve according to claim 1, it is characterised in that: described valve body (100) the cylindrical setting, In
The lateral wall on valve body (100) top is equipped with connection screw thread (110).
4. a kind of relief valve according to claim 3, it is characterised in that: be set in the lateral wall of valve body (100) in spiral shell
The fastener (120) of female shape, the fastener (120) are fixedly connected with the lateral wall of valve body (100).
5. a kind of relief valve according to claim 1, it is characterised in that: the pressure release passage (200) further includes presenting
Extended inducer (230), the lower port of the inducer (230) are docked with the upper port of pressure release section (210) down, In
It is sealedly connected in the upper port of inducer (230) fixed block (240), it is in up and down that the fixed block (240), which is equipped with,
Through-hole (241), the internal diameter of the through-hole (241) are less than the outer diameter of valve pearl (300), the through-hole (241), inducer
(230), pressure release section (210) is to be coaxially set.
6. a kind of relief valve according to claim 5, it is characterised in that: described fixed block (240) setting in the form of annular discs,
The lateral wall of the fixed block (240) is equipped with external screw thread, and the inner sidewall of the inducer (230) upper end is equipped with internal screw thread,
The internal screw thread is matched with external screw thread, and the fixed block (240) is threadedly coupled with the upper port of inducer (230).
7. a kind of relief valve according to claim 1, it is characterised in that: be connected in the lower end of valve body (100) in vertical
The upper end of the outlet (400) of setting, the outlet (400) is fixedly connected with the lower end of valve body (100), the outlet
The upper port of pipe (400) is connected to the lower port of pressure release section (210).
8. a kind of relief valve according to claim 7, it is characterised in that: the lateral wall of described outlet (400) lower part
Equipped with multiple protruding rings (410), multiple protruding rings (410) are alternatively arranged setting in upper and lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158424.9U CN209725343U (en) | 2019-01-29 | 2019-01-29 | A kind of relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158424.9U CN209725343U (en) | 2019-01-29 | 2019-01-29 | A kind of relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725343U true CN209725343U (en) | 2019-12-03 |
Family
ID=68681949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920158424.9U Active CN209725343U (en) | 2019-01-29 | 2019-01-29 | A kind of relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725343U (en) |
-
2019
- 2019-01-29 CN CN201920158424.9U patent/CN209725343U/en active Active
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