CN203614491U - Direct-acting reducing valve - Google Patents
Direct-acting reducing valve Download PDFInfo
- Publication number
- CN203614491U CN203614491U CN201320674785.1U CN201320674785U CN203614491U CN 203614491 U CN203614491 U CN 203614491U CN 201320674785 U CN201320674785 U CN 201320674785U CN 203614491 U CN203614491 U CN 203614491U
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve body
- compress spring
- direct acting
- spool
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a direct-acting reducing valve. The reducing valve comprises a valve body, wherein the valve body is provided with an oil inlet channel and an oil outlet channel, the oil inlet channel and the oil outlet channel are connected through a connecting channel, and a cavity is arranged inside the valve body; the cavity is further internally provided with a valve element, one end of the valve element is connected with a compression spring through a piston, and the compression spring is divided into a first stage compression spring and a second stage compression spring; one end of the valve body is provided with a pressure gauge connector, and the other end of the valve body is provided with a pressure adjusting device connected with the compression spring; the pressure adjusting device is provided with an adjusting handle used for realizing roughly adjusting and an adjusting knob used for realizing accurately adjusting. According to the direct-acting reducing valve, the multi-stage compression spring is adopted to realize flexibly and extensively adjusting the pressure of the valve body; meanwhile, the valve body is provided with the pressure adjusting device capable of realizing accurately and roughly adjusting, so as to finely adjust the output liquid pressure of the valve body.
Description
Technical field
The utility model relates to flow control field, relates in particular to a kind of direct acting pressure.
Background technique
Reduction valve is a kind of special arrangement of automatic reduction working pressure of pipeline, be widely used in the All aspects of that social life is produced, in the time of construction industry high-pressure water delivery, people can reduce by reduction valve is installed the size of hydraulic pressure, in industrial production, people can be adjusted to predetermined low pressure oil way by high-pressure oil passage by reduction valve, to facilitate production.Reduction valve reduces oil circuit pressure by asphalt channel opening default in valve and channel bends, and by spool and Regulation spring station control realize pressure regulate.Traditional reduction valve pressure regulation range is large not, regulate sensitive not, can not meet the control to output hydraulic pressure on some precision type instrument.
Model utility content
In order to solve the defect of above-mentioned reduction valve in pressure adjustment process, the utility model provides a kind of simple in structure, pressure to regulate accurately, the reduction valve that regulation range is large.
The utility model is realized the technological scheme that above-mentioned technique effect adopts:
A kind of direct acting pressure, comprise the valve body that is provided with oil inlet passage and oil discharge passage, filler opening passage is connected by connecting passage with oil outlet passage, be provided with cavity at valve inner, in cavity, be also provided with spool, one end of spool is connected with Compress Spring by piston, is provided with pressure gauge connection in one end of valve body, the valve body the other end is provided with the pressure regulator being connected with Compress Spring, and Compress Spring is divided into first order Compress Spring and second level Compress Spring.
Preferably, above-mentioned a kind of direct acting pressure, valve inner is also provided with spring chamber, and first order Compress Spring and second level Compress Spring are arranged in spring chamber.
Preferably, above-mentioned a kind of direct acting pressure, is provided with at least one oil circuit control in valve body, and pressure gauge connection communicates with oil circuit control.
Preferably, above-mentioned a kind of direct acting pressure, pressure regulator is provided with to realize the regulating handle of coarse adjustment and in order to realize the adjusting knob of fine adjustment.
Preferably, above-mentioned a kind of direct acting pressure is provided with seal ring on spool side face, and described seal ring material is the fine rubber circle of fourth.
The beneficial effects of the utility model are: compared with prior art, the utility model adopts multi-step pressure reduction spring can realize flexibly regulation valve body pressure on a large scale, simultaneously valve body is with realizing accurately and the pressure regulator of coarse adjustment, the output fluid pressure of regulation valve body that can be meticulous, to meet the work requirements that delivery pressure is required to accurate workpiece.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1 is filler opening passage; 2 is oil outlet passage; 3 is valve body; 4 is connecting passage; 5 is spool, and 6 is first order Compress Spring, and 7 is second level Compress Spring, and 8 is spring chamber, and 9 for pressure is controlling device, and 91 is adjusting knob, and 92 is regulating handle, and 10 is pressure gauge connection, and 11 is pressure-sensitive diaphragm, and 12 is oil circuit control.。
Embodiment
For making that the utility model is had to further understanding, below with reference to Figure of description and specific embodiment, the utility model is described in further detail:
Shown in Fig. 1; a kind of direct acting pressure; comprise the valve body 3 that is provided with oil inlet passage 1 and oil discharge passage 2; filler opening passage 1 is connected by connecting passage 4 with oil outlet passage 2; described valve body 3 inside are provided with cavity; in cavity, be also provided with spool 5, one end of spool 5 is connected with Compress Spring by piston, and Compress Spring divides first order Compress Spring 7 and second level Compress Spring 8; In valve body, be provided with at least one oil circuit control 12, other one end of spool is connected with oil circuit control 12 by pressure-sensitive diaphragm 11.In the time of position of rest, this valve is often opened, and fluid is free to flow to oil outlet passage 2 from filler opening passage 1.Oil outlet pressure acts on spool left side upward pressure diaphragm 11 through oil circuit control 12, and by spool 5, pressure is passed to first order Compress Spring 7.In the time that oil outlet pressure exceedes spring setting value, spool moves in control band, and then spring is caused to compression, thereby makes the pressure of oil outlet keep setting value constant.If oil outlet pressure continues to raise again, spool continues mobile, and in the time that pressure reaches certain value, first order Compress Spring 7 and second level Compress Spring 8 contact, and second level Compress Spring 8 can continue to realize the adjusting to oil outlet pressure.
As improvement of the present utility model, one end of valve body is provided with pressure gauge connection 10, and pressure gauge connection 10 communicates with oil circuit control 12.This interface is used for Bonding pressure table to realize the monitoring to oil circuit pressure in valve body, and jointing is conventionally equipped with and cuts steel ball, to prevent fluid leakage.The valve body the other end is provided with the pressure regulator 9 being connected with Compress Spring, the size that this pressure regulator 9 can Regulation spring pressure, and then the pressure of output circuit in oil circuit control.On pressure regulator, be provided with regulating handle 92 for realizing coarse adjustment and in order to realize the adjusting knob 91 of fine adjustment.Can realize the fine adjustment to valve body internal pressure by cooperatively interacting of coarse adjustment handle 92 and adjusting knob.
Valve inner is also provided with spring chamber 8, and first order Compress Spring 6 and second level Compress Spring 7 are arranged on spring chamber interior 8.On the other end that spool 5 is connected with Compress Spring relatively, be provided with pressure-sensitive diaphragm 11, pressure-sensitive diaphragm 11 is connected with oil circuit control 12, and the pressure in oil circuit control 12 is passed to Compress Spring by spool 5.On spool 5 side faces, be provided with seal ring, seal ring material is the fine rubber circle of fourth, occurs the phenomenon of leakage of oil pressure release while having avoided spool 5 to move in cavity.
The utility model adopts the utility model to adopt the control of two-stage decompression spring, can realize flexibly regulation valve body pressure on a large scale, simultaneously valve body is with realizing accurately and the pressure regulator of coarse adjustment, the output fluid pressure of regulation valve body that can be meticulous, to meet the work requirements that delivery pressure is required to accurate workpiece.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. a direct acting pressure, comprise the valve body that is provided with oil inlet passage and oil discharge passage, described filler opening passage is connected by connecting passage with oil outlet passage, described valve inner is provided with cavity, in cavity, be also provided with spool, one end of spool is connected with Compress Spring by piston, it is characterized in that, one end of described valve body is provided with pressure gauge connection, the valve body the other end is provided with the pressure regulator being connected with described Compress Spring, and described Compress Spring is divided into first order Compress Spring and second level Compress Spring.
2. a kind of direct acting pressure according to claim 1, is characterized in that, described valve inner is also provided with spring chamber, and described first order Compress Spring and second level Compress Spring are arranged in spring chamber.
3. a kind of direct acting pressure according to claim 1, is characterized in that being provided with at least one oil circuit control in described valve body, and described pressure gauge connection communicates with oil circuit control.
4. a kind of direct acting pressure according to claim 1, is characterized in that, on the other end that described spool is connected with Compress Spring relatively, is provided with pressure-sensitive diaphragm.
5. a kind of direct acting pressure according to claim 1, is characterized in that, described pressure regulator is provided with to realize the regulating handle of coarse adjustment and in order to realize the adjusting knob of fine adjustment.
6. a kind of direct acting pressure according to claim 1, is characterized in that, on described spool side face, is provided with seal ring, and described seal ring material is the fine rubber circle of fourth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674785.1U CN203614491U (en) | 2013-10-28 | 2013-10-28 | Direct-acting reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674785.1U CN203614491U (en) | 2013-10-28 | 2013-10-28 | Direct-acting reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614491U true CN203614491U (en) | 2014-05-28 |
Family
ID=50767140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320674785.1U Expired - Fee Related CN203614491U (en) | 2013-10-28 | 2013-10-28 | Direct-acting reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332166A (en) * | 2019-07-09 | 2019-10-15 | 南通翔骜液压润滑设备有限公司 | Stacked compression release valve |
-
2013
- 2013-10-28 CN CN201320674785.1U patent/CN203614491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332166A (en) * | 2019-07-09 | 2019-10-15 | 南通翔骜液压润滑设备有限公司 | Stacked compression release valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |