CN201963624U - Pressure regulating valve capable of controlling oil pressure - Google Patents
Pressure regulating valve capable of controlling oil pressure Download PDFInfo
- Publication number
- CN201963624U CN201963624U CN2010206851495U CN201020685149U CN201963624U CN 201963624 U CN201963624 U CN 201963624U CN 2010206851495 U CN2010206851495 U CN 2010206851495U CN 201020685149 U CN201020685149 U CN 201020685149U CN 201963624 U CN201963624 U CN 201963624U
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- valve body
- piston
- pressure
- oil
- spring seat
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- Expired - Lifetime
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- 230000001105 regulatory effect Effects 0.000 title abstract description 3
- 230000001276 controlling effect Effects 0.000 title abstract 2
- 239000000945 filler Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 239000000446 fuel Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000029142 excretion Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The pressure regulating valve capable of controlling oil pressure is applied to pressure control of an oil way of power equipment. The top cover at the upper end of the valve body is provided with an oil inlet, the upper side wall of the valve body is provided with an oil outlet, the inner wall of the valve body is provided with an annular check ring, and the lower part of the check ring and the side wall of the valve body are provided with overflow holes; a screw hole is arranged on the lower bottom cover of the valve body; a piston is arranged in the valve body and at the lower part of the retainer ring, and the piston is provided with a central hole; a piston rod is sleeved in the central hole of the piston, the lower end of the piston rod is fixed on the upper end surface of the circular spring seat, and a compression spring is arranged between the piston and the spring seat; a screw rod is arranged at the lower part of the spring seat and is vertical to the end surface of the spring seat, and the screw rod is arranged in a screw hole of the lower bottom cover of the valve body; a rotary handle is fixed at the outer end part of the screw rod. The effect is as follows: the one-way oil flow pressure adjustment can be carried out, the problem of pressure build-up or out of control caused by overlarge oil flow is solved, low-pressure oil supply failure and gear disorder are solved; the gearbox is better protected.
Description
Technical field
The utility model relates to the pressure controlled pressure regulator valve of a kind of power equipment oil circuit.
Background technique
At present, hydraulic oil container and gearbox pressure lubrication, the fuel feeding between the gearbox push-plate hydraulic power generally carries out fuel feeding by hydraulic total pump, and the pressure of hydraulic oil is determined directly that by hydraulic total pump the high low value of oil pressure can't be regulated.When the low fuel pressure oil mass after a little while, the oil of hydraulic oil container can't normally infeed gearbox under running state, returns in the gearbox operation process to have following problem: 1. gear is malfunctioning, 2. gear entanglement, 3. the gearbox push-plate damages; When the high oily flow of oil pressure is excessive, can occur building the pressure or runaway condition.
The model utility content
The purpose of this utility model is: the pressure regulator valve that a kind of may command oil pressure is provided.The manual adjustment pilot pressure guarantees that the pressure to the clutch of gearbox push-plate is normal when equipment operation, and protection gearbox push-plate has avoided oil to flow through building the pressure or the decompression state of causing greatly.The deficiency of malfunctioning, the gear entanglement of gear when solving low fuel pressure.
The technical solution adopted in the utility model is: the pressure regulator valve of may command oil pressure, mainly form by valve body, piston, piston rod, seal ring, screw rod, pressure spring, spring seat and rotatable handle, valve body is a cylinder barrel shaped, there is top cover the valve body upper end, it is characterized in that: valve body upper end top cover has filler opening, the valve body upper side wall has oil outlet, and valve interior wall has an annular retaining ring, on back-up ring bottom and the sidewall at valve body overflow hole is arranged.On the lower bottom cover of valve body, screw is arranged; In valve body and in the bottom of back-up ring piston is arranged, piston has center hole; Be with a piston rod in piston center hole, piston can slide on piston rod.The lower end of piston rod is fixed on the upper-end surface of coil component spring seat, between piston and spring seat pressure spring is arranged; Bottom and uprighting spring seat end face at spring seat have a screw rod, and screw rod is in the screw of valve body lower bottom cover; Outer end at screw rod is fixed with rotatable handle.
The upper end of overflow hole is taper, and the overflow hole lower end is a rectangular.
On the wall of piston, seal ring is arranged.
Be provided with overflow hole at the valve body internal upper part, when oil pressure and oily stream exceed rated pressure, promote piston and move down, piston downward distance that moves in valve body equals the compressed distance of pressure spring.By piston downward moving in valve body, UNICOM in overflow hole and the valve body, the beginning of oil stream is drained unnecessary oil mass along overflow hole, is recycled to fuel tank.When oil pressure and oil flowed in rated pressure, what piston made progress in valve body moved, and oil flows and normally enters gearbox by oil outlet.Range of regulation is kept between 1.2~1.6MPa all the time, guarantees that hydraulic total pump is to the gearbox fuel feeding.
The beneficial effects of the utility model: the pressure regulator valve of the utility model may command oil pressure, can carry out unidirectional oily flowing pressure and regulate, solved oil and flow through building the pressure or problem out of control of causing greatly, and solved low pressure can't fuel feeding and gear is malfunctioning, the gear entanglement; Protect gearbox better; Applied widely, can also be applicable to other oil-servicing facilitiess.
Description of drawings
Fig. 1 is the pressure regulator valve structural profile schematic representation of the utility model may command oil pressure.
Fig. 2 is the utility model structural profile schematic representation.
Among the figure, 1-valve body, 2-piston, 3-piston rod, 4-back-up ring, 5-seal ring, 6-overflow hole, 7-screw rod, 8-pressure spring, 9-spring seat, 10-filler opening, 11-oil outlet, 12-rotatable handle.
Embodiment
Embodiment 1: the pressure regulator valve with a may command oil pressure is an example, and the utility model is described in further detail.
Consult Fig. 1.The pressure regulator valve of the utility model may command oil pressure mainly is made up of valve body 1, piston 2, piston rod 3, seal ring 5, screw rod 7, pressure spring 8, spring seat 9 and rotatable handle 12.
Consult Fig. 2.Valve body 1 is a cylinder barrel shaped, and there is top cover valve body 1 upper end.Valve body 1 upper end top cover has a filler opening 10, and valve body 1 upper side wall has an oil outlet 11, and valve body 1 inwall has an annular retaining ring 4, and annular retaining ring 4 is an one with valve body.In back-up ring 4 bottoms and an overflow hole 6 arranged on the sidewall of valve body 1; The upper end of overflow hole 6 is taper, and overflow hole 6 lower ends are rectangular.At the lower bottom cover center of valve body 1 screw is arranged.
Consult Fig. 1.In valve body 1 and in the bottom of back-up ring 4, a cylindrical piston 2 is arranged, seal ring 5 is arranged on the wall of piston 2 one.Piston 2 has center hole; Be with a piston rod 3 in piston 2 center holes, piston 2 can slide on piston rod 3.The lower end of piston rod 3 is welded on the upper-end surface of coil component spring seat 9, and a pressure spring 8 is arranged between piston 2 and spring seat 9; Bottom and uprighting spring seat 9 end faces at spring seat 9 have a screw rod 7, and screw rod 7 is in the screw of valve body 1 lower bottom cover; Be fixed with a rotatable handle 12 in the outer end of screw rod 7.
The filler opening 10 usefulness high-voltage tube screwed connections of valve body 1 are in the oil pressure master cylinder.When equipment operation, oil pressure can be transferred to 1.2~1.6MPa, make oil pressure control within the specific limits, thereby under running state, hydraulic pressure is normally infeeded gearbox, make gearbox reach required normal pressure.When oil pressure and oily stream exceeded rated pressure, hydraulic oil promoted piston 2, compression pressure spring 8, and overflow hole 6 is exposed in piston 2 beginnings downward moving in valve body 1.Oil stream beginning is drained unnecessary oil mass along overflow hole 6, and the oil stream of overpressure from returning fuel tank, is guaranteed the required rated pressure of gearbox.Strengthen along with oily stream exceeds rated pressure, overflow hole 6 excretions also strengthen.When overflow hole 6 excretions reached maximum and advance, internal oil pressure reduced, and pressure spring 8 begins return gradually, and what piston 2 made progress in valve body 1 moves, and piston 2 withstands on back-up ring 4 places, sealing overflow hole 6.When oil pressure and oil stream recovery rated pressure, oil stream normally enters gearbox by oil outlet 11.
Claims (3)
1. the pressure regulator valve of a may command oil pressure, mainly form by valve body (1), piston (2), piston rod (3), seal ring (5), screw rod (7), pressure spring (8), spring seat (9) and rotatable handle (12), valve body (1) is a cylinder barrel shaped, there is top cover valve body (1) upper end, it is characterized in that: valve body (1) upper end top cover has filler opening (10), valve body (1) upper side wall has oil outlet (11), valve body (1) inwall has an annular retaining ring (4), in back-up ring (4) bottom and overflow hole (6) arranged on the sidewall of valve body (1); On the lower bottom cover of valve body (1), screw is arranged; In valve body (1) and in the bottom of back-up ring (4) piston (2) is arranged, piston (2) has center hole; Be with a piston rod (3) in piston (2) center hole, the lower end of piston rod (3) is fixed on the upper-end surface of coil component spring seat (9), between piston (2) and spring seat (9) pressure spring (8) is arranged; Bottom and uprighting spring seat (9) end face at spring seat (9) have a screw rod (7), and screw rod (7) is in the screw of valve body (1) lower bottom cover; Be fixed with rotatable handle (12) in the outer end of screw rod (7).
2. the pressure regulator valve of may command oil pressure according to claim 1 is characterized in that: the upper end of overflow hole (6) is taper, and overflow hole (6) lower end is a rectangular.
3. the pressure regulator valve of may command oil pressure according to claim 1 and 2 is characterized in that: seal ring (5) is arranged on the wall of piston (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206851495U CN201963624U (en) | 2010-12-17 | 2010-12-17 | Pressure regulating valve capable of controlling oil pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206851495U CN201963624U (en) | 2010-12-17 | 2010-12-17 | Pressure regulating valve capable of controlling oil pressure |
Publications (1)
Publication Number | Publication Date |
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CN201963624U true CN201963624U (en) | 2011-09-07 |
Family
ID=44526159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010206851495U Expired - Lifetime CN201963624U (en) | 2010-12-17 | 2010-12-17 | Pressure regulating valve capable of controlling oil pressure |
Country Status (1)
Country | Link |
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CN (1) | CN201963624U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105546201A (en) * | 2016-03-07 | 2016-05-04 | 布志刚 | Pressure valve with movable valve element |
CN106224144A (en) * | 2016-08-30 | 2016-12-14 | 重庆万力联兴实业(集团)有限公司 | Electric fuel punp oil return noise reduction pressure regulator assembly |
CN106224143A (en) * | 2016-08-30 | 2016-12-14 | 重庆万力联兴实业(集团)有限公司 | Avoid the fuel pump pressure regulator assembly that pressure is higher |
CN110878777A (en) * | 2019-11-28 | 2020-03-13 | 宁波文泽机电技术开发有限公司 | Pressure control valve |
CN113906827A (en) * | 2019-05-24 | 2022-01-07 | 赛默凯维X射线股份有限公司 | Pressure regulator for X-ray equipment |
-
2010
- 2010-12-17 CN CN2010206851495U patent/CN201963624U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105546201A (en) * | 2016-03-07 | 2016-05-04 | 布志刚 | Pressure valve with movable valve element |
CN105546201B (en) * | 2016-03-07 | 2018-04-27 | 广州联诚能源科技发展有限公司 | A kind of pressure valve with movable valve plug |
CN106224144A (en) * | 2016-08-30 | 2016-12-14 | 重庆万力联兴实业(集团)有限公司 | Electric fuel punp oil return noise reduction pressure regulator assembly |
CN106224143A (en) * | 2016-08-30 | 2016-12-14 | 重庆万力联兴实业(集团)有限公司 | Avoid the fuel pump pressure regulator assembly that pressure is higher |
CN106224143B (en) * | 2016-08-30 | 2019-06-18 | 重庆万力联兴实业(集团)有限公司 | Avoid the fuel pump pressure regulation device assembly that pressure is higher |
CN106224144B (en) * | 2016-08-30 | 2019-06-18 | 重庆万力联兴实业(集团)有限公司 | Electric fuel punp oil return noise reduction pressure regulation device assembly |
CN113906827A (en) * | 2019-05-24 | 2022-01-07 | 赛默凯维X射线股份有限公司 | Pressure regulator for X-ray equipment |
CN110878777A (en) * | 2019-11-28 | 2020-03-13 | 宁波文泽机电技术开发有限公司 | Pressure control valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
CX01 | Expiry of patent term |