CN101907219A - Auxiliary pressure relief valve - Google Patents
Auxiliary pressure relief valve Download PDFInfo
- Publication number
- CN101907219A CN101907219A CN2010102666697A CN201010266669A CN101907219A CN 101907219 A CN101907219 A CN 101907219A CN 2010102666697 A CN2010102666697 A CN 2010102666697A CN 201010266669 A CN201010266669 A CN 201010266669A CN 101907219 A CN101907219 A CN 101907219A
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- CN
- China
- Prior art keywords
- slide valve
- valve body
- ligand
- sliding spool
- pressure relief
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 239000003446 ligand Substances 0.000 claims description 55
- 239000000945 filler Substances 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract 4
- 238000005086 pumping Methods 0.000 abstract 2
- 238000005461 lubrication Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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Abstract
The invention relates to an auxiliary pressure relief valve which comprises a sliding valve body and a sliding valve core which is arranged in the valve body in a sliding way, wherein the sliding valve body is of a cylindrical structure with one open end, one end face of the sliding valve core, which is far away from the closed end of the valve body, is provided with an axial blind hole, the peripheral surface of the sliding valve body is provided with an oil outlet which is communicated with the axial blind hole, the sliding valve body is provided with an oil outlet channel which is communicated with the oil outlet after the sliding valve core bears an upstream oil-pumping pressure and is displaced; a pressure relief spring which is used for returning the sliding valve core after the upstream oil-pumping of the sliding valve core is completed is arranged between one end of the sliding valve core, which is far away from the axial blind hole, and the closed end of the sliding valve body; a sealing pressure relief route for downstream pressure relief during the returning process of the sliding valve core exists between the oil outlet and the inner wall face of the sliding valve body; and the peripheral face of the sliding valve core, which corresponds to the oil outlet, is provided with a peripheral ring groove, and/or the inner wall face of the sliding valve body, which corresponds to the oil outlet channel and matches with the oil outlet, is provided with a peripheral ring groove.
Description
Technical field
The present invention relates to the centralized lubrication technical field, especially a kind of auxiliary pressure relief valve.
Background technique
Positive displacement centralized lubrication technology according to its reliability height, oil extraction is accurate, cost is low and to lubricant pump and pipe-line system pressure is less demanding and lubrication technical field is used widely.For guaranteeing the distributor proper functioning of volume unloading type centralized lubrication, after this technical requirements lubricant pump running finished, the nearly oil separator group of working connection place oil pressure must be laid down fully, and oil separator could be to each lubricating point fuel feeding.Therefore, in this structure, pump oil port in the fuel tank and be provided with a unloading valve, after system was out of service, opened automatically the relief port, and main line fluid flows back to fuel tank automatically, and the nearly oil separator group of working connection place oil pressure is laid down.Common unloading valve sees German VOGEL KFU2-40 type commerial vehicle one-shot chassis lubrication system and the patent No. is the patent of invention " the automatic control balanced relief valve of lubrication system " of ZL00247891.9 on the market, this class formation for thin oil lubricant at pipeline short and in the temperate zone area use can play better action, but, centralized lubrication is often used the thickness grease and is done lubricant medium, and usually face long apart from pipeline conveying and psychro-environment condition, in this case, the oil separator that is positioned at the main line least significant end will thoroughly can't not worked because of the main line release, and this just makes volume unloading type centralized lubrication technology at large-scale engineering machinery, military machinery, length is obstructed apart from the application of all conglomeraties such as automatic production line and extremely frigid zones outdoor work vehicle and machinery.
Summary of the invention
The object of the present invention is to provide a kind of auxiliary pressure relief valve, to solve the existing halfway problem of positive displacement lubrication system release.
In order to address the above problem, auxiliary pressure relief valve of the present invention adopts following technological scheme: a kind of auxiliary pressure relief valve, comprise slide valve and the slidable fit sliding spool in described slide valve, described slide valve comprises slide valve body and the ligand that is tightly connected with described slide valve body, the slide valve body has filler opening away from an end of described ligand, has at least one oil outlet on the other end and/or the described ligand, described sliding spool has the axial blind hole that communicates with described filler opening near an end of described filler opening, the week of sliding spool upwards has the oil outlet that communicates with described axial blind hole, corresponding described oil outlet place is provided with circumferential annular groove on the outer wall of sliding spool, has the oily passage that is used for the described annular groove of conducting and described oil outlet after described sliding spool is subjected to the upstream pump oil pressure and axial displacement takes place on the slide valve, be provided with between described sliding spool and the ligand and be used for that after the upstream pump of described sliding spool oil finishes the back lash spring of sliding spool return is had the sealing release stroke that is used for the downstream release between the internal face of described annular groove and described slide valve body in the return process of described sliding spool.
Described slide valve body is the tubular construction of both ends open, described sliding spool slidable fit is in described slide valve body, the outer wall of sliding spool cooperates with the internal face slipper seal of slide valve body, described ligand is the tubular construction of an end opening, slide valve is tightly connected away from an end of its filler opening and the opening end of ligand, the slide valve body is near being respectively arranged with the corresponding axial elongated slot that connects on the inwall of an end of ligand and on the internal face of ligand near an end of slide valve body, and described each elongated slot constitutes described oily passage; The week of described slide valve upwards and/or on the described ligand has oil outlet.
The oil outlet that has axial perforation on the end face of the sealing end of described ligand.
Has the oil outlet that connects the internal and external walls face on the side face of described ligand.
Described slide valve in it near the limit stoper that has the return-stroke that is used to retrain described sliding spool on internal face of filler opening one end.
Described limit stoper is spacing shoulder or jump ring.
Have on the end face of described sliding spool near an end of described ligand and be used for preventing that described back lash spring from the directional post of radial displacement taking place at the moving process of sliding spool.
Described slide valve body is threaded with described ligand, has clamped seal ring between slide valve body and the ligand.
Auxiliary pressure relief valve according to claim 1 is characterized in that: described slide valve body is connected with described ligand flange, is provided with seal ring between described slide valve body and the described ligand.
Owing to have sealing release stroke between annular groove on the sliding spool of auxiliary pressure relief valve of the present invention and the slide valve, after working connection pump oil pressure process finishes, under the effect of described back lash spring, the sliding spool return, thereby abdicate the spatial volume of described slide valve rear end, simultaneously by oily passage with in the part fluid suction slide valve in the pipeline of downstream, thereby reduce the pressure at oil separator filler opening place in the pipeline of downstream fast, thereby guarantee the smooth oiling of described oil separator.
Further, described slide valve body and the inwall of described ligand are provided with the elongated slot of corresponding perforation, form described oily passage with this, processing is simple, convenient like this, can realize simultaneously the conducting or the disconnection of annular groove and oil outlet, avoid fluid between sliding spool and the ligand to discharge and cause annular groove and oil outlet continuity failure; Oil outlet can be arranged on the sealing end or side face of the side face of slide valve or ligand as required easily; Spacing shoulder is set on the inwall of described slide valve body, spacing shoulder on the described slide valve body can be used for retraining the return-stroke of sliding spool, its return displacement is promptly ended after satisfying downstream release needs surely, avoid the sliding spool return excessive, cause energy dissipation in the pump oil process next time in lubrication system; Limit stoper can adopt dismountable jump ring or be integrally formed at spacing shoulder on the slide valve inner body wall; On the corresponding end-faces of described sliding spool, directional post is set, can avoids back lash spring in the moving process of sliding spool, radial displacement to take place like this, cause the release failure; Described slide valve body and ligand can adopt flexibly as required and be spirally connected or form fixing seal that flange connects cooperates.
Description of drawings
Fig. 1 is the embodiment's 1 of an auxiliary pressure relief valve of the present invention structural representation;
Fig. 2 is the embodiment's 2 of an auxiliary pressure relief valve of the present invention structural representation;
Fig. 3 is the embodiment's 3 of an auxiliary pressure relief valve of the present invention structural representation;
Fig. 4 is the embodiment's 4 of an auxiliary pressure relief valve of the present invention structural representation.
Embodiment
The embodiment 1 of auxiliary pressure relief valve of the present invention, as shown in Figure 1, slide valve comprises slide valve body 1 and ligand 2, slide valve body 1 is the tubular construction of both ends open, one end of slide valve body 1 has filler opening 3, the other end and ligand 2 fixed seal connections, slide valve body 1 is near the oil outlet 4 that upwards has perforation internal and external walls face week of an end of ligand 2, ligand 2 is the tubular construction of an end opening, the opening end of ligand 2 and slide valve body 1 are spirally connected, clamped seal ring 5 between ligand 2 and the slide valve body 1, has the first axial elongated slot 6 that connects its corresponding end face on the internal face of slide valve body 1 near an end of ligand 2, first elongated slot 6 communicates with oil outlet 4, has second elongated slot 7 that connects with described first elongated slot 6 on the end face of ligand 2 near an end of slide valve body 1, first elongated slot 6 combines with second elongated slot 7 and forms oily passage, slidable fit has sliding spool 8 in the slide valve body 1, and the outer wall of sliding spool 8 cooperates with the internal face slipper seal of slide valve body 1; Sliding spool 8 has axial blind hole 9 near an end of the filler opening 3 of slide valve body 1, upwards has the oil outlet radially 10 that communicates with axial blind hole 9 week of sliding spool 8, corresponding oil outlet 10 places have circumferential annular groove 11 on the outer wall of sliding spool 8, be provided with back lash spring 12 between sliding spool 8 and the ligand 2, have the directional post 13 that is used to prevent back lash spring 12 generation radial displacements on the end face of the corresponding end of sliding spool 8; The auxiliary pressure relief valve of present embodiment in the course of the work, when sliding spool 8 is subjected to upstream pump oil pressure (being that the end that sliding spool 8 has an axial blind hole 9 is subjected to the pump oil pressure), overcome the elastic force generation axial displacement of back lash spring 12 and by annular groove 11 and oil outlet 4 on first, second its outer wall of elongated slot conducting, this moment slide valve filler opening 3 and oil outlet 4 conductings; After sliding spool 8 upstream pump oil finishes, sliding spool 8 is return under the effect of back lash spring 12, in the return process of sliding spool 8, annular groove 11 at first cuts off oil circuit by the internal face sealing of slide valve body 1, continue then upstream to move, thereby, under the constant situation of downstream oil mass, increased volume in the part fluid suction slide valve in the pipeline of downstream, reduce the pressure of oil separator inlet in the oil circuit of downstream, guaranteed the smooth oiling of oil separator.
The embodiment 2 of auxiliary pressure relief valve of the present invention, as shown in Figure 2, present embodiment and embodiment's 1 difference is, slide valve body 1 is connected with ligand 2 flanges, second elongated slot 7 extends to the internal face of ligand 2 sealing end end faces away from a side of ligand 2 opening ends, and the end face that oil outlet 4 connects the sealing end of ligands 2 is arranged on the described ligand 2.
The embodiment 3 of auxiliary pressure relief valve of the present invention, as shown in Figure 3, present embodiment and embodiment's 2 difference is that slide valve body 1 is spirally connected with ligand 2; The week that the inside and outside wall that oil outlet 4 connects ligand 2 is arranged at ligand 2 makes progress.
The embodiment 4 of auxiliary pressure relief valve of the present invention, as shown in Figure 4, present embodiment and embodiment's 1 difference is that the internal diameter of ligand 2 omits second elongated slot 7 greater than the external diameter of sliding spool 8 on the ligand internal face.
In the various embodiments described above, can also on the inwall of an end of the filler opening of slide valve body 1 limit stoper be set, limit stoper adopts elements such as spacing shoulder structure or jump ring.
Claims (9)
1. auxiliary pressure relief valve, it is characterized in that: comprise slide valve and the slidable fit sliding spool in described slide valve, described slide valve comprises slide valve body and the ligand that is tightly connected with described slide valve body, the slide valve body has filler opening away from an end of described ligand, has at least one oil outlet on the other end and/or the described ligand, described sliding spool has the axial blind hole that communicates with described filler opening near an end of described filler opening, the week of sliding spool upwards has the oil outlet that communicates with described axial blind hole, corresponding described oil outlet place is provided with circumferential annular groove on the outer wall of sliding spool, has the oily passage that is used for the described annular groove of conducting and described oil outlet after described sliding spool is subjected to the upstream pump oil pressure and axial displacement takes place on the slide valve, be provided with between described sliding spool and the ligand and be used for that after the upstream pump of described sliding spool oil finishes the back lash spring of sliding spool return is had the sealing release stroke that is used for the downstream release between the internal face of described annular groove and described slide valve body in the return process of described sliding spool.
2. auxiliary pressure relief valve according to claim 1, it is characterized in that: described slide valve body is the tubular construction of both ends open, described sliding spool slidable fit is in described slide valve body, the outer wall of sliding spool cooperates with the internal face slipper seal of slide valve body, described ligand is the tubular construction of an end opening, slide valve is tightly connected away from an end of its filler opening and the opening end of ligand, the slide valve body is near being respectively arranged with the corresponding axial elongated slot that connects on the inwall of an end of ligand and on the internal face of ligand near an end of slide valve body, and described each elongated slot constitutes described oily passage; The week of described slide valve upwards and/or on the described ligand has oil outlet.
3. auxiliary pressure relief valve according to claim 2 is characterized in that: the oil outlet that has axial perforation on the end face of the sealing end of described ligand.
4. auxiliary pressure relief valve according to claim 2 is characterized in that: have the oil outlet that connects the internal and external walls face on the side face of described ligand.
5. auxiliary pressure relief valve according to claim 1 is characterized in that: described slide valve in it near the limit stoper that has the return-stroke that is used to retrain described sliding spool on internal face of filler opening one end.
6. auxiliary pressure relief valve according to claim 5 is characterized in that: described limit stoper is spacing shoulder or jump ring.
7. auxiliary pressure relief valve according to claim 1 is characterized in that: have on the end face of described sliding spool near an end of described ligand and be used for preventing that described back lash spring from the directional post of radial displacement taking place at the moving process of sliding spool.
8. auxiliary pressure relief valve according to claim 1 is characterized in that: described slide valve body is threaded with described ligand, has clamped seal ring between slide valve body and the ligand.
9. auxiliary pressure relief valve according to claim 1 is characterized in that: described slide valve body is connected with described ligand flange, is provided with seal ring between described slide valve body and the described ligand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266669 CN101907219B (en) | 2010-08-30 | 2010-08-30 | Auxiliary pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266669 CN101907219B (en) | 2010-08-30 | 2010-08-30 | Auxiliary pressure relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101907219A true CN101907219A (en) | 2010-12-08 |
| CN101907219B CN101907219B (en) | 2013-06-19 |
Family
ID=43262754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010266669 Active CN101907219B (en) | 2010-08-30 | 2010-08-30 | Auxiliary pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101907219B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797960A (en) * | 2012-08-01 | 2012-11-28 | 盐城市智成机械制造有限公司 | Self-lubrication device for precise four-column cutting machine |
| CN103759123A (en) * | 2014-01-20 | 2014-04-30 | 郑州奥特科技有限公司 | Auxiliary oil draining valve and centralized lubricating device |
| CN104482223A (en) * | 2014-12-28 | 2015-04-01 | 潍坊力创电子科技有限公司 | Gas injection valve with lubricating mechanism |
| CN105909896A (en) * | 2016-06-08 | 2016-08-31 | 江苏腾旋科技股份有限公司 | Separable rotating joint |
| CN105927841A (en) * | 2016-06-27 | 2016-09-07 | 盐城市智成机械制造有限公司 | Automatic lubricating device of precise four-column cutting machine |
| CN106196777A (en) * | 2015-04-30 | 2016-12-07 | Tcl空调器(中山)有限公司 | Protection valve, compressor and air-conditioner |
| CN107940077A (en) * | 2017-12-12 | 2018-04-20 | 广东吉宝电器科技有限公司 | A kind of negative pressure valve and there is its water dispenser |
| CN111520568A (en) * | 2020-04-30 | 2020-08-11 | 广船国际有限公司 | Pipe orifice plugging device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591433B (en) * | 2013-11-08 | 2016-05-18 | 青岛盘古润滑技术有限公司 | Initiatively retracting device and centralized lubricating system and recovery method of a kind of waste oil |
Citations (6)
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| US5258242A (en) * | 1993-02-08 | 1993-11-02 | Ovonic Battery Company, Inc. | Electrochemical cell having improved pressure vent |
| DE19632383A1 (en) * | 1995-08-18 | 1997-02-20 | Borg Warner Automotive | Combined hydraulic inlet and pressure relief valve |
| JPH11250887A (en) * | 1998-02-28 | 1999-09-17 | Toyota Central Res & Dev Lab Inc | Pressure release structure for battery |
| CN2455996Y (en) * | 2000-08-30 | 2001-10-24 | 宁波市三浪润滑元件有限公司 | Self balanced load discharging valve for lubricating system |
| CN201053562Y (en) * | 2007-01-11 | 2008-04-30 | 赵民章 | Pressure relief type lubricating pump pressure-reliving valve |
| CN201787310U (en) * | 2010-08-30 | 2011-04-06 | 赵大平 | Auxiliary pressure relief valve |
-
2010
- 2010-08-30 CN CN 201010266669 patent/CN101907219B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258242A (en) * | 1993-02-08 | 1993-11-02 | Ovonic Battery Company, Inc. | Electrochemical cell having improved pressure vent |
| DE19632383A1 (en) * | 1995-08-18 | 1997-02-20 | Borg Warner Automotive | Combined hydraulic inlet and pressure relief valve |
| JPH11250887A (en) * | 1998-02-28 | 1999-09-17 | Toyota Central Res & Dev Lab Inc | Pressure release structure for battery |
| CN2455996Y (en) * | 2000-08-30 | 2001-10-24 | 宁波市三浪润滑元件有限公司 | Self balanced load discharging valve for lubricating system |
| CN201053562Y (en) * | 2007-01-11 | 2008-04-30 | 赵民章 | Pressure relief type lubricating pump pressure-reliving valve |
| CN201787310U (en) * | 2010-08-30 | 2011-04-06 | 赵大平 | Auxiliary pressure relief valve |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797960A (en) * | 2012-08-01 | 2012-11-28 | 盐城市智成机械制造有限公司 | Self-lubrication device for precise four-column cutting machine |
| CN103759123A (en) * | 2014-01-20 | 2014-04-30 | 郑州奥特科技有限公司 | Auxiliary oil draining valve and centralized lubricating device |
| CN104482223A (en) * | 2014-12-28 | 2015-04-01 | 潍坊力创电子科技有限公司 | Gas injection valve with lubricating mechanism |
| CN106196777A (en) * | 2015-04-30 | 2016-12-07 | Tcl空调器(中山)有限公司 | Protection valve, compressor and air-conditioner |
| CN106196777B (en) * | 2015-04-30 | 2019-01-18 | Tcl空调器(中山)有限公司 | Protect valve, compressor and air conditioner |
| CN105909896A (en) * | 2016-06-08 | 2016-08-31 | 江苏腾旋科技股份有限公司 | Separable rotating joint |
| CN105909896B (en) * | 2016-06-08 | 2018-08-07 | 郎溪腾旋科技有限公司 | A kind of disengagable formula rotary joint |
| CN105927841A (en) * | 2016-06-27 | 2016-09-07 | 盐城市智成机械制造有限公司 | Automatic lubricating device of precise four-column cutting machine |
| CN107940077A (en) * | 2017-12-12 | 2018-04-20 | 广东吉宝电器科技有限公司 | A kind of negative pressure valve and there is its water dispenser |
| CN107940077B (en) * | 2017-12-12 | 2024-04-12 | 广东吉宝电器科技有限公司 | Negative pressure valve and water dispenser with same |
| CN111520568A (en) * | 2020-04-30 | 2020-08-11 | 广船国际有限公司 | Pipe orifice plugging device |
| CN111520568B (en) * | 2020-04-30 | 2021-08-27 | 广船国际有限公司 | Pipe orifice plugging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101907219B (en) | 2013-06-19 |
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Owner name: ZHAO DAPING Free format text: FORMER OWNER: ZHENGZHOU AUTOL TECHNOLOGY CO., LTD. Effective date: 20101222 |
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Free format text: CORRECT: ADDRESS; FROM: 450001 NO.35, JINSUO ROAD, NEW AND HIGH TECHNOLOGY INDUSTRIAL DEVELOPMENT AREA, ZHENGZHOU CITY, HE'NAN PROVINCE TO: 471000 NO.102, GATE 6, BUILDING 19, STREET 53, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE |
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Effective date of registration: 20101222 Address after: 471000 No. 19, No. 6, No. 102, block fifty-three, Jianxi District, Luoyang, Henan Applicant after: Zhao Daping Address before: 450001 No. 35 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Applicant before: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230420 Address after: 450001 No. 35, Jinsuo Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. Address before: No. 102, Gate 6, Building 19, Block 53, Jianxi District, Luoyang City, Henan Province, 471000 Patentee before: Zhao Daping |
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Address after: No.450001, Hehuan street, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. Address before: 450001 No. 35, Jinsuo Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. |