CN205026166U - Bidirectional relief valve - Google Patents
Bidirectional relief valve Download PDFInfo
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- CN205026166U CN205026166U CN201520763572.5U CN201520763572U CN205026166U CN 205026166 U CN205026166 U CN 205026166U CN 201520763572 U CN201520763572 U CN 201520763572U CN 205026166 U CN205026166 U CN 205026166U
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Abstract
The utility model discloses a bidirectional relief valve belongs to the control valve field, solves the complicated technical problem of current two -way overflow system structure, the utility model discloses a bidirectional relief valve includes disk seat and valve barrel, is equipped with valve pocket, first valve port and second valve port on the disk seat, is equipped with main valve core in the valve pocket, and main valve core includes main part and the arch of setting bottom the main part, and the diameter of main part is greater than bellied diameter, and the inner wall of main part and valve pocket pastes tightly, leaves the clearance between the inner wall of arch and valve pocket, and the arch is used for the first valve port of shutoff, and just the second valve port communicates with each other with the clearance at this moment. The utility model discloses be applied to among the hydraulic circuit.
Description
[technical field]
The utility model relates to a kind of bidirectional relief valve.
[background technique]
Current existing relief valve major part is unidirectional straight control overflow, and bidirectional flooding system is combined by two relief valves and two one-way valves substantially.Therefore there is the problem of the equal more complicated of structure, processing and assembling difficulty in existing bidirectional flooding system, and after wherein certain parts goes wrong, whole system just can not normally be run, and then needs to investigate one by one, waste time and energy when keeping in repair.
[summary of the invention]
The technical problem that the utility model solves is to provide a kind of bidirectional relief valve, and single valve body just has the function of bidirectional flooding.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of bidirectional relief valve, comprise valve seat and valve pocket, described valve seat is provided with valve pocket, the first valve port and the second valve port, be provided with main valve plug in described valve pocket, described main valve plug comprises main body and is arranged on the projection of bottom part body, and the diameter of described main body is greater than protruding diameter, the inwall of described main body and valve pocket is adjacent to, leave gap between described projection and the inwall of valve pocket, described projection is used for the first valve port described in shutoff, and now the second valve port communicates with described gap.
Further, the bottom surface of described valve seat arranges described first valve port, and the sidewall of described valve seat arranges described second valve port, and the bottom surface of described projection and valve seat offsets to be closed by the first valve port.
Further, described projection is tapered protrusion, the first valve port described in partial insertion during described tapered protrusion shutoff the first valve port.
Further, described valve pocket is provided with relief opening, and described relief opening is used for carrying out pressure release when described main valve plug action.
Further, described main valve plug is provided with exhaust passage and valve ball, described exhaust passage is communicated with valve pocket inside, exhaust passage comprises the first exhaust passage extending to the first valve port and the second exhaust passage extending to the second valve port, and described valve ball comprises the first valve ball be arranged in the first exhaust passage and the second valve ball be arranged in the second exhaust passage.
Further, the first step relative with described first valve port is provided with in described first exhaust passage, by the first block by spacing for the first valve ball between the first block and first step, be provided with the second step relative with the second valve port in described second exhaust passage, by the second block by spacing for the second valve ball between the second block and second step.
Further, described first exhaust passage is arranged along the axis of main valve plug, and described second exhaust passage arranges along the radial direction of main valve plug and is vented channel connection with first.
Further, the top of described valve pocket is connected with bonnet, and described bonnet has been threaded adjustable lever, is provided with spring between described adjustable lever and main valve plug.
The beneficial effects of the utility model:
Bidirectional relief valve of the present utility model, main valve plug comprises main body and the projection towards the first valve port, the diameter of main body is greater than protruding diameter, the inwall of main body and valve pocket is adjacent to, gap is left between projection and the inwall of valve pocket, can shutoff first valve port by projection, and now the second valve port communicates with the gap between protruding and valve pocket, and now the first valve port and the second valve port do not communicate.During by the first valve port oil-feed liquid, fluid is after arrival overflow value, and fluid promotes main valve plug and moves up, and after main valve plug moves, be communicated with between the first valve port and the second valve port, fluid flows out from the second valve port; During by the second valve port oil-feed liquid, fluid enters the gap location between projection and valve pocket, and fluid is after arrival overflow value, fluid can promote main valve plug by the lower surface of main body and move up, after main valve plug moves, be communicated with between the first valve port and the second valve port, fluid flows out from the first valve port.Compare existing bidirectional flooding system, the utility model simplifies the structure while can realizing bidirectional flooding function, convenient installs, facilitate the maintenance of hydraulic pressure installation, and improving productivity 50% to 80%, cost of production reduces by more than 10%.
These features of the present utility model and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
[embodiment]
The technological scheme of accompanying drawing to the utility model embodiment below in conjunction with the utility model embodiment is explained and illustrated, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in mode of execution, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection domain of the present utility model.
Embodiment one:
With reference to figure 1, shown a kind of bidirectional relief valve, comprise valve seat 1 and valve pocket 2, valve seat 1 is provided with valve pocket 11, first valve port 12 and the second valve port 13, main valve plug is provided with in valve pocket 11, main valve plug can be closed or the oil circuit of conducting first valve port 12 and the second valve port 13 along moving axially of valve pocket 11, wherein, first valve port 12 is set in the bottom surface of valve seat 1, the sidewall of valve seat 1 is provided with the second valve port 13, main valve plug comprises main body 43 and protruding 431, the bottom of main body 43 extends protruding 431 towards the first valve port 12, the diameter of protruding 431 is less than the diameter of main body 43, main body 43 is adjacent to the inwall of valve pocket 11, between the inwall of main body 43 and valve pocket 11, seal ring 15 is also set, gap 14 has been reserved between protruding 431 and the inwall of valve pocket 11, can shutoff first valve port 12 by protruding 431, and now the second valve port 13 is communicated with gap 14, the first valve port 12 and the second valve port 13 do not communicate.During by the first valve port 12 oil-feed liquid, fluid is after arrival overflow value, and fluid promotes, bottom protruding 431, main valve plug to be moved up, and after main valve plug moves, be communicated with between the first valve port 12 and the second valve port 13, fluid flows out from the second valve port 13; During by the second valve port 13 oil-feed liquid, fluid enters gap 14 place between protruding 431 and valve pocket 11, fluid acts on the bottom surface of main body 43, fluid is after arrival overflow value, main valve plug can be promoted equally move up, after main valve plug moves, be communicated with between the first valve port 12 and the second valve port 13, fluid flows out from the first valve port 12.
Bonnet 3 is connected with at the top of valve pocket 2, bonnet 3 has been threaded adjustable lever 41, the bottom of adjustable lever 41 is connected with spring 42, spring 42 is offseted by slide block 44 and main valve plug, be provided with in valve pocket 2 on restriction slide block 44 and move the shoulder block 23 of scope, by the amount of deformation of adjustable lever 41 spring 42, the step 15 bottom the flexible drive main valve plug of spring 42 and valve seat 1 offsets, and by the first valve port 12 shutoff, the elastic force that the pressure of fluid overcomes spring 42 could drive main valve plug to move up.
Wherein, protruding 431 is tapered protrusion, and tapered protrusion is towards the first valve port 12 direction convergent, and tapered protruding portions inserts the first valve port 12 by after the first valve port 12 shutoff, still has part conic projection to be positioned at above the first valve port 12, and relative with the second valve port 13.Therefore, during the second valve port 13 oil-feed liquid, oil pressure can act on the sidewall of tapered protrusion to promote main valve plug.In other embodiments of the present utility model, projection also can be cylindrical, and protruding diameter is greater than the diameter of the first valve port, and the first valve port is closed by protruding offseting with the interior ground of valve seat.
Also on valve pocket 2, be provided with relief opening 21, the outlet of relief opening 21 arranges back-up ring 22.When main valve plug moves up, the air pressure in valve pocket 2 increases, and now carries out pressure release by relief opening 21.
Embodiment two:
With reference to figure 2, shown a kind of bidirectional relief valve, comprise valve seat 1 and valve pocket 2, valve pocket 11 is provided with in valve seat 1, main valve plug is provided with in valve pocket 11, wherein, first valve port 12 is set in the bottom surface of valve seat 1, the sidewall of valve seat 1 is provided with the second valve port 13, main valve plug comprises main body 43 and protruding 431, the bottom of main body 43 extends protruding 431 towards the first valve port 12, the diameter of protruding 431 is less than the diameter of main body 43, main body 43 is adjacent to the inwall of valve pocket 11, gap 14 is left between protruding 431 and the inwall of valve pocket 11, can shutoff first valve port 12 by protruding 431, and now the second valve port 13 is communicated with gap 14, bonnet 3 in the present embodiment, adjustable lever 41, spring 42 is identical with embodiment one with the assembling of slide block 44, the difference of the present embodiment and embodiment one is: valve pocket does not arrange relief opening, but on main valve plug, be provided with exhaust passage and valve ball, slide block 44 is arranged intercommunicating pore 441, exhaust passage is communicated with valve pocket 2 inside by intercommunicating pore 441, exhaust passage comprises the first exhaust passage 51 extending to the first valve port 12 and the second exhaust passage 52 extending to the second valve port 13, valve ball comprises the first valve ball 61 be arranged in the first exhaust passage 51 and the second valve ball 62 be arranged in the second exhaust passage 52, by the first valve ball 61 and the barrier effect of the second valve ball 62, guarantee that fluid can not be flowed in valve pocket 2 by the first exhaust passage 51 and the second exhaust passage 52.When first valve port 12 oil-feed liquid drives main valve plug to move, the gas in valve pocket 2 is vented from the second valve port 13 by the second exhaust passage 52; In like manner, when the second valve port 13 oil-feed liquid drives main valve plug to move, the gas in valve pocket 2 is vented from the first valve port 12 by the first exhaust passage 51,
The first step 511 relative with the first valve port 12 is provided with in the first exhaust passage 51, first block 71 relative with first step 511 is provided with in first exhaust passage 51, first valve ball 61 is spacing between the first block 71 and first step 511, during the first valve port 12 oil-feed liquid, the first valve ball 61 offsets the first exhaust passage 51 shutoff with first step 511; Similar, the second step 521 relative with the second valve port 13 is provided with in second exhaust passage 52, second block 72 relative with second step 521 is provided with in second exhaust passage 52, second valve ball 62 is spacing between the second block 72 and second step 521, during the second valve port 13 oil-feed liquid, the second valve ball 62 offsets the second exhaust passage 52 shutoff with second step 521.Wherein, the first block 71 and the second block 72 can be the blocks that diameter is less than exhaust passage diameter; Or the first block 71 and the second block 72 are stopper, stopper be axially arranged with through hole 711, the diameter of through hole 711 is less than the diameter of the first valve ball 61 and the second valve ball 62.
Preferably, the first exhaust passage 51 is arranged along the axis of main valve plug, and the second exhaust passage 52 arranges along the radial direction of main valve plug and is communicated with the first exhaust passage 51, can the processing of easy to exhaust passage.Also two separate the first exhaust passages and the second exhaust passage can be processed in wherein embodiment of the present utility model.
The utility model can be applicable to two-way hydraulic motor loop, various needs simultaneously protective loop both sides and need that repairing is anti-inhales in empty oil hydraulic circuit.
By above-described embodiment, the purpose of this utility model is reached by fully effective.The personage being familiar with this technology should be understood that the content that the utility model includes but not limited to accompanying drawing and describes in embodiment above.Any amendment not departing from function and structure principle of the present utility model all will comprise within the scope of the appended claims.
Claims (8)
1. a bidirectional relief valve, comprise valve seat and valve pocket, described valve seat is provided with valve pocket, the first valve port and the second valve port, be provided with main valve plug in described valve pocket, it is characterized in that: described main valve plug comprises main body and is arranged on the projection of bottom part body, the diameter of described main body is greater than protruding diameter, the inwall of described main body and valve pocket is adjacent to, leave gap between described projection and the inwall of valve pocket, described projection is used for the first valve port described in shutoff, and now the second valve port communicates with described gap.
2. a kind of bidirectional relief valve as claimed in claim 1, is characterized in that: the bottom surface of described valve seat arranges described first valve port, and the sidewall of described valve seat arranges described second valve port, and the bottom surface of described projection and valve seat offsets to be closed by the first valve port.
3. a kind of bidirectional relief valve as claimed in claim 2, is characterized in that: described projection is tapered protrusion, the first valve port described in partial insertion during described tapered protrusion shutoff the first valve port.
4. a kind of bidirectional relief valve as described in claim 1 or 2 or 3, is characterized in that: described valve pocket is provided with relief opening, and described relief opening is used for carrying out pressure release when described main valve plug action.
5. a kind of bidirectional relief valve as described in claim 1 or 2 or 3, it is characterized in that: described main valve plug is provided with exhaust passage and valve ball, described exhaust passage is communicated with valve pocket inside, exhaust passage comprises the first exhaust passage extending to the first valve port and the second exhaust passage extending to the second valve port, and described valve ball comprises the first valve ball be arranged in the first exhaust passage and the second valve ball be arranged in the second exhaust passage.
6. a kind of bidirectional relief valve as claimed in claim 5, it is characterized in that: in described first exhaust passage, be provided with the first step relative with described first valve port, by the first block by spacing for the first valve ball between the first block and first step, be provided with the second step relative with the second valve port in described second exhaust passage, by the second block by spacing for the second valve ball between the second block and second step.
7. a kind of bidirectional relief valve as claimed in claim 5, is characterized in that: described first exhaust passage is arranged along the axis of main valve plug, and described second exhaust passage arranges along the radial direction of main valve plug and is vented channel connection with first.
8. a kind of bidirectional relief valve as described in claim 1 or 2 or 3, is characterized in that: the top of described valve pocket is connected with bonnet, described bonnet has been threaded adjustable lever, is provided with spring between described adjustable lever and main valve plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763572.5U CN205026166U (en) | 2015-09-29 | 2015-09-29 | Bidirectional relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763572.5U CN205026166U (en) | 2015-09-29 | 2015-09-29 | Bidirectional relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026166U true CN205026166U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520763572.5U Active CN205026166U (en) | 2015-09-29 | 2015-09-29 | Bidirectional relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026166U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061417A (en) * | 2017-06-19 | 2017-08-18 | 太仓市宇航造纸机械厂 | A kind of overflow valve |
| CN107100915A (en) * | 2017-06-19 | 2017-08-29 | 太仓市宇航造纸机械厂 | A kind of structure of relief valve |
| CN107289164A (en) * | 2017-07-18 | 2017-10-24 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of two-way unloading valve of civil aircraft |
| CN108252976A (en) * | 2018-01-23 | 2018-07-06 | 邵立坤 | A kind of two-way buffer valve |
-
2015
- 2015-09-29 CN CN201520763572.5U patent/CN205026166U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061417A (en) * | 2017-06-19 | 2017-08-18 | 太仓市宇航造纸机械厂 | A kind of overflow valve |
| CN107100915A (en) * | 2017-06-19 | 2017-08-29 | 太仓市宇航造纸机械厂 | A kind of structure of relief valve |
| CN107289164A (en) * | 2017-07-18 | 2017-10-24 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of two-way unloading valve of civil aircraft |
| CN108252976A (en) * | 2018-01-23 | 2018-07-06 | 邵立坤 | A kind of two-way buffer valve |
| CN108252976B (en) * | 2018-01-23 | 2020-11-06 | 义乌市思淇工业设计有限公司 | Two-way buffer valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311835 no.689 Jiefang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Huayi Precision Machinery Co.,Ltd. Address before: 311835 no.689 Jiefang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230829 Address after: 311800 Diankou Town Industrial Zone, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanshang Zhidi Technology Co.,Ltd. Address before: 311835 no.689 Jiefang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Huayi Precision Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |