CN203560482U - Plug-in overflow valve with pressure releasing and buffering function - Google Patents
Plug-in overflow valve with pressure releasing and buffering function Download PDFInfo
- Publication number
- CN203560482U CN203560482U CN201320753889.1U CN201320753889U CN203560482U CN 203560482 U CN203560482 U CN 203560482U CN 201320753889 U CN201320753889 U CN 201320753889U CN 203560482 U CN203560482 U CN 203560482U
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 58
- 238000013016 damping Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000005266 casting Methods 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000004512 die casting Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model relates to a plug-in overflow valve with a pressure releasing and buffering function, in particular to a device which is applied to the plug-in overflow valve with the pressure releasing and buffering function in the pressure releasing process in a hydraulic system. According to the plug-in overflow valve, a valve oil inlet and a valve oil outlet are formed in side faces of a valve sleeve respectively, a valve element is arranged in an axial hole of the valve sleeve, a control cover plate is arranged at the upper end of a valve cover, a conical valve element and an adjusting rod are arranged in an axial hole of a spiral sleeve, the upper end of the control cover plate is connected with a buffering valve body, a buffering valve element is arranged in an axial hole of the buffering valve body, a control opening is communicated with a damping hole and communicated with a control cavity through a hole in the middle of the buffering valve element, an electromagnetic valve element is arranged in an axial hole of an electromagnetic valve body, a working opening is communicated with the control opening through an annular groove in the middle of the buffering valve body, and an oil discharge opening is communicated with an oil return opening through the buffering valve body and the control cover plate. The plug-in overflow valve has the advantages that the structure is simple, the valve elements are opened in a buffer mode, vibration and noise of the system are reduced, running accuracy and running stability are good, and the plug-in overflow valve is widely applied to overflow valve devices on hydraulic control systems in the machine tool casting and pressure casting metallurgical vessel mining industry.
Description
Technical field
The utility model relates to a kind of band pressure release buffer plug in type relief valve, the particularly equipment with pressure release buffer plug in type relief valve of pressure leak process in hydraulic system.
Background technique
The series of advantages such as at present, hydraulic cartridge valve has simple in structure, and flow resistance is little, impacts littlely, and through-current capability is large, and action is fast, and amount of leakage is few, are widely used in the industries such as lathe, casting forging, die casting, metallurgy, boats and ships, mine; Existing plug-in mounting relief valve adopts the structure of seat valve formula, and while opening under heavy traffic condition, response comparatively fast, can produce vibrations and sound that appearance is larger, affects the operation accurate stable of plug-in mounting relief valve, causes the operation of plug-in mounting relief valve cisco unity malfunction.
Summary of the invention
The purpose of this utility model, be to provide a kind of band pressure release buffer plug in type relief valve, it is the cartridge valve that main adopts plug-in type structure, pilot control cover plate is with safety overflow valve, guide's solenoid directional control valve, as system pressure pressure release use, is controlled between cover plate and solenoid directional control valve trimmer valve is set, and reaches the slow unlatching of main valve plug or closes, the vibrations of reduction system and sound, realize the object with the overflow of pressure release buffer plug in type of pressure leak process in hydraulic system.
The utility model band pressure release buffer plug in type relief valve takes following technological scheme to realize: it is by valve pocket, spool, spring, valve gap, return opening, swivel nut, adjustable lever, pressure adjusting spring, poppet valve core, blind nut, damping spring, buffering valve body, electromagnet, electromagnetic valve core, electromagnetic valve body, drain tap, working hole, screw plug, buffering spool, control cavity volume, control mouth, control cover plate, outside control mouth, damping hole, valve oil outlet and valve filler opening form, the side of valve pocket is respectively equipped with valve filler opening and valve oil outlet, device spool in the axial bore of valve pocket, valve gap is arranged in valve pocket larger diameter end, between valve gap and spool, spring is set, control cover plate and be arranged on valve gap upper end, control cover plate side swivel nut is set, poppet valve core and adjustable lever are set in swivel nut axial bore, between poppet valve core and adjustable lever, pressure adjusting spring is set, the side that control cover plate is connected with valve gap arranges respectively outside control mouth and return opening, in the middle of controlling cover plate and valve gap joint, damping hole is set, control cover plate upper end and connect buffering valve body, in trimmer valve body axial bore, buffering spool is set, buffering valve body one end arranges blind nut, between buffering spool and blind nut, damping spring is set, the side that buffering valve body is connected with control cover plate arranges controls mouth, controlling mouth is communicated with damping hole, control mouthful is communicated with control cavity volume by the hole in the middle of buffering spool, the opposite side of buffering valve body arranges electromagnetic valve body, in the axial bore of electromagnetic valve body, electromagnetic valve core is set, electromagnetic valve core one side arranges screw plug, electromagnetic valve core opposite side arranges electromagnet, electromagnetic valve core arranges working hole with the side that buffering valve body is connected, working hole is communicated with control mouthful by the circular groove in the middle of buffering valve body, electromagnetic valve core arranges drain tap with the side that buffering valve body is connected, drain tap is communicated with return opening by buffering valve body and control cover plate.Pressure release buffer plug in type relief valve process in hydraulic system: when electromagnet not when electric, the pressure oil of valve filler opening is entered and is controlled mouth by outside control mouth, through the circular groove in the middle of trimmer valve, enter working hole, through electromagnetic valve core, enter drain tap, directly enter return opening, at this moment can not build-up pressure, pressure oil is directly pushed spool open and is entered valve oil outlet, when electromagnet obtains when electric, the pressure oil of valve filler opening is entered and is controlled mouth by outside control mouth, through the circular groove in the middle of trimmer valve, enter working hole, now electromagnetic valve core is in closed condition, pressure oil can not enter return opening, pressure oil process damping hole direct effect is to spool, spool is closed, at this moment just set up pressure, when electromagnet is again during power-off, electromagnetic valve core resets, the pressure oil of spool effect arrives and controls mouth through damping hole, through the hole in the middle of buffering spool, be applied to and control cavity volume place, promoting buffering spool moves, the opening that cushions spool is reduced, flow by buffering spool also reduces, spool buffering is opened, reach the effect with the overflow of pressure release buffer plug in type of pressure leak process in hydraulic system.
The effect of the utility model band pressure release buffer plug in type relief valve is simple in structure, spool buffer starting, control degree and reliability are high, the vibrations of reduction system effectively and sound, operation accurate stable is good, is widely used in pressure release buffer plug in type relief valve equipment in the hydraulic control system of lathe, casting forging, die casting, metallurgy, boats and ships, mine industry.
Accompanying drawing explanation
The utility model band pressure release buffer plug in type relief valve will be described in further detail with reference to Figs..
Fig. 1 is the structural representation of the utility model band pressure release buffer plug in type relief valve.
1-valve pocket, 2-spool, 3-spring, 4-valve gap, 5-return opening, 6-swivel nut, 7-adjustable lever, 8-pressure adjusting spring, 9-poppet valve core, 10-blind nut, 11-damping spring 12-buffering valve body, 13-electromagnet, 14-electromagnetic valve core, 15-electromagnetic valve body, 16-drain tap, 17-working hole, 18-screw plug 19-buffering spool 20-control cavity volume 21-control mouthful 22-control cover plate, 23-outside control mouth, 24-damping hole, 25-valve oil outlet, 26-valve filler opening.
Embodiment
With reference to Fig. 1, the utility model band pressure release buffer plug in type relief valve, it is by valve pocket 1, spool 2, spring 3, valve gap 4, return opening 5, swivel nut 6, adjustable lever 7, pressure adjusting spring 8, poppet valve core 9, blind nut 10, damping spring 11, buffering valve body 12, electromagnet 13, electromagnetic valve core 14, electromagnetic valve body 15, drain tap 16, working hole 17, screw plug 18, buffering spool 19, control cavity volume 20, control mouth 21, control cover plate 22, outside control mouth 23, damping hole 24, valve oil outlet 25 and valve filler opening 26 form, the side of valve pocket 1 is respectively equipped with valve filler opening 26 and valve oil outlet 25, device spool 2 in the axial bore of valve pocket 1, valve gap 4 is arranged in valve pocket 1 larger diameter end, between valve gap 4 and spool 2, spring 3 is set, control cover plate 22 and be arranged on valve gap 4 upper ends, control cover plate 22 sides swivel nut 6 is set, poppet valve core 9 and adjustable lever 7 are set in swivel nut 6 axial bores, between poppet valve core 9 and adjustable lever 7, pressure adjusting spring 8 is set, the side that control cover plate 22 is connected with valve gap 4 arranges respectively outside control mouth 23 and return opening 5, control cover plate 22 and the middle damping hole 24 that arranges in valve gap 4 joints, control cover plate 22 upper ends and connect buffering valve body 12, in buffering valve body 12 axial bores, buffering spool 19 is set, buffering valve body 12 one end arrange blind nut 10, between buffering spool 19 and blind nut 10, damping spring 11 is set, the side that buffering valve body 12 is connected with control cover plate 22 arranges controls mouth 21, controlling mouth 21 is communicated with damping hole 24, controlling mouth 21 is communicated with control cavity volume 20 by the hole in the middle of buffering spool 19, the opposite side of buffering valve body 12 arranges electromagnetic valve body 15, electromagnetic valve core 14 is set in the axial bore of electromagnetic valve body 15, electromagnetic valve core 14 1 sides arrange screw plug 18, electromagnetic valve core 14 opposite sides arrange electromagnet 13, electromagnetic valve core 14 arranges working hole 17 with the side that buffering valve body 12 is connected, working hole 17 is communicated with control mouth 21 by the circular groove in the middle of buffering valve body 12, electromagnetic valve core 14 arranges drain tap 16 with the side that buffering valve body 12 is connected, drain tap 16 is communicated with return opening 5 by buffering valve body 12 and control cover plate 22.
The embodiment of the utility model band pressure release buffer plug in type relief valve, pressure release buffer plug in type relief valve process in hydraulic system: when electromagnet 13 not when electric, the pressure oil of valve filler opening 26 is entered and is controlled mouth 21 by outside control mouth 23, through the circular groove in the middle of trimmer valve, enter working hole 17, through electromagnetic valve core 14, enter drain tap 16, directly enter return opening 5, at this moment can not build-up pressure, pressure oil is directly pushed spool 2 open and is entered valve oil outlet 25, when electromagnet 13 when electric, the pressure oil of valve filler opening 26 is entered and is controlled mouth 21 by outside control mouth 23, through the circular groove in the middle of trimmer valve, enter working hole 17, now electromagnetic valve core 14 is in closed condition, pressure oil can not enter return opening 5, pressure oil process damping hole 24 direct effects are to spool 2, spool 2 is closed, at this moment just set up pressure, when electromagnet 13 is again during power-off, electromagnetic valve core 14 resets, the pressure oil that spool 2 acts on arrives and controls mouth 21 through damping hole 24, through the hole in the middle of buffering spool 19, be applied to and control cavity volume 20 places, promoting buffering spool 19 moves, the opening that cushions spool 19 is reduced, flow by buffering spool 19 also reduces, spool buffering is opened, reach the effect with the overflow of pressure release buffer plug in type of pressure leak process in hydraulic system.
Claims (1)
1. a band pressure release buffer plug in type relief valve, it is by valve pocket (1), spool (2), spring (3), valve gap (4), return opening (5), swivel nut (6), adjustable lever (7), pressure adjusting spring (8), poppet valve core (9), blind nut (10), damping spring (11), buffering valve body (12), electromagnet (13), electromagnetic valve core (14), electromagnetic valve body (15), drain tap (16), working hole (17), screw plug (18), buffering spool (19), control cavity volume (20), control mouthful (21), control cover plate (22), outside control mouth (23), damping hole (24), valve oil outlet (25) and valve filler opening (26) form, the side that it is characterized in that valve pocket (1) is respectively equipped with valve filler opening (26) and valve oil outlet (25), device spool (2) in the axial bore of valve pocket (1), valve gap (4) is arranged in valve pocket (1) larger diameter end, between valve gap (4) and spool (2), spring (3) is set, control cover plate (22) and be arranged on valve gap (4) upper end, control cover plate (22) side swivel nut (6) is set, poppet valve core (9) and adjustable lever (7) are set in swivel nut (6) axial bore, between poppet valve core (9) and adjustable lever (7), pressure adjusting spring (8) is set, the side that control cover plate (22) is connected with valve gap (4) arranges respectively outside control mouth (23) and return opening (5), control cover plate (22) and the middle damping hole (24) that arranges in valve gap (4) joint, control cover plate (22) upper end and connect buffering valve body (12), in buffering valve body (12) axial bore, buffering spool (19) is set, buffering valve body (12) one end arranges blind nut (10), between buffering spool (19) and blind nut (10), damping spring (11) is set, the side that buffering valve body (12) is connected with control cover plate (22) arranges controls mouthful (21), controlling mouthful (21) is communicated with damping hole (24), control mouthful (21) is communicated with control cavity volume (20) by the hole in the middle of buffering spool (19), the opposite side of buffering valve body (12) arranges electromagnetic valve body (15), electromagnetic valve core (14) is set in the axial bore of electromagnetic valve body (15), electromagnetic valve core (14) one sides arrange screw plug (18), electromagnetic valve core (14) opposite side arranges electromagnet (13), electromagnetic valve core (14) arranges working hole (17) with the side that buffering valve body (12) is connected, working hole (17) is communicated with control mouthful (21) by the circular groove in the middle of buffering valve body (12), electromagnetic valve core (14) arranges drain tap (16) with the side that buffering valve body (12) is connected, drain tap (16) is communicated with return opening (5) by buffering valve body (12) and control cover plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753889.1U CN203560482U (en) | 2013-11-26 | 2013-11-26 | Plug-in overflow valve with pressure releasing and buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753889.1U CN203560482U (en) | 2013-11-26 | 2013-11-26 | Plug-in overflow valve with pressure releasing and buffering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560482U true CN203560482U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320753889.1U Expired - Lifetime CN203560482U (en) | 2013-11-26 | 2013-11-26 | Plug-in overflow valve with pressure releasing and buffering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455100A (en) * | 2014-12-01 | 2015-03-25 | 江苏理工学院 | Automobile brake fluid discharging device |
| CN104728431A (en) * | 2015-03-31 | 2015-06-24 | 中国船舶重工集团公司第七一一研究所 | Electromagnetic control valve with adjustable voltage and speed adjusting variable torque transmission device hydraulic system adopting same |
-
2013
- 2013-11-26 CN CN201320753889.1U patent/CN203560482U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455100A (en) * | 2014-12-01 | 2015-03-25 | 江苏理工学院 | Automobile brake fluid discharging device |
| CN104455100B (en) * | 2014-12-01 | 2016-10-26 | 江苏理工学院 | Automobile brake fluid discharging device |
| CN104728431A (en) * | 2015-03-31 | 2015-06-24 | 中国船舶重工集团公司第七一一研究所 | Electromagnetic control valve with adjustable voltage and speed adjusting variable torque transmission device hydraulic system adopting same |
| CN104728431B (en) * | 2015-03-31 | 2017-03-08 | 中国船舶重工集团公司第七一一研究所 | Pressure-adjustable solenoid electric valve and adopt its speed governing bending moment actuating device hydraulic system |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 272000 Shandong city of Jining province high tech Zone Haichuan Road No. 66 Patentee after: SHANDONG TAIFENG INTELLIGENT CONTROL CO.,LTD. Address before: 272000 Shandong city of Jining province high tech Zone Haichuan Road No. 66 Patentee before: SHANDONG TAIFENG HYDRAULIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |