CN202972058U - Direct-acting overflow valve - Google Patents
Direct-acting overflow valve Download PDFInfo
- Publication number
- CN202972058U CN202972058U CN 201220412443 CN201220412443U CN202972058U CN 202972058 U CN202972058 U CN 202972058U CN 201220412443 CN201220412443 CN 201220412443 CN 201220412443 U CN201220412443 U CN 201220412443U CN 202972058 U CN202972058 U CN 202972058U
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- China
- Prior art keywords
- valve
- push rod
- direct
- valve body
- acting overflow
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of overflow valves, in particular to a direct-acting overflow valve. The direct-acting overflow valve comprises a valve body, a valve hole, a valve base and a valve core, wherein the valve core is arranged inside the valve hole in a sliding way; the right end of the valve core is connected with a regulating push rod through a spring; the regulating push rod is in threaded connection with the valve body; a handle is arranged at the right end of the regulating push rod; the valve base is provided with a communicating hole; the left end of the valve core blocks the communicating hole under the action of the spring; the valve body is provided with an oil inlets and an oil outlet; the oil inlet is formed on the left side of the valve base; the oil inlet is communicated with the communicating hole; the side surface of the left end of the valve hole is communicated with the oil outlet; in use, hydraulic oil enters from the oil inlet to provide a rightward pressure to the left end of the valve core; when the pressure intensity of the oil inlet is high enough, the pressure overcomes the elasticity of the spring to move the valve core rightwards; and the oil inlet is communicated with the oil outlet, and the hydraulic oil is discharged from the oil outlet, so that the pressure of the oil inlet is not further increased. The direct-acting overflow valve is scientific in structure, relatively small in size and convenient to install and use.
Description
Technical field
The utility model relates to the relief valve technical field, particularly relates to a kind of direct-acting overflow valve.
Background technique
Relief valve is a kind of pressure controlled valve, mainly plays level pressure overflow, voltage stabilizing, system unloaded and safety protection effect in hydraulic equipment.Its working principle is: when system worked, valve closing only had Open valve when system pressure surpasses set pressure; make the hydraulic oil overflow; carry out overload protection, system pressure is no longer increased, the relief valve set pressure can be adjusted by adjusting handle.Existing structure of relief valve is complicated, and volume is larger, uses inconvenience.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of direct-acting overflow valve is provided, its scientific structure, and small volume, easy to install and use.
the technological scheme that its technical problem that solves the utility model adopts is: a kind of direct-acting overflow valve, it comprises valve body, valve opening, valve seat, spool, described spool slides and is arranged in described valve opening, described spool right-hand member is connected with the adjustment push rod by spring, described adjustment push rod is connected with described valve body screw thread, described adjustment push rod right-hand member is provided with handle, described valve seat is provided with intercommunicating pore, described spool left end stops up described intercommunicating pore under the effect of spring, described valve body is provided with filler opening, oil outlet, described filler opening is arranged on the left of described valve seat, described filler opening is communicated with described intercommunicating pore, described valve opening left end side is communicated with described oil outlet.
Described oil outlet is arranged at described valve body bottom surface.
Described valve body is provided with handle set, and described adjustment push rod is threaded with described handle set, and described adjustment pushing rod sleeve is connected to positioning boss, hold-doun nut, and described positioning boss is positioned on the left of described handle set, and described hold-doun nut is conflicted and connected described handle set right-hand member.
Be provided with seal ring in described handle set, the sealing snare is connected to described adjustment push rod side.
Described handle set is connected with described valve body screw thread.
the beneficial effects of the utility model are: a kind of direct-acting overflow valve, it comprises valve body, valve opening, valve seat, spool, described spool slides and is arranged in described valve opening, described spool right-hand member is connected with the adjustment push rod by spring, described adjustment push rod is connected with described valve body screw thread, described adjustment push rod right-hand member is provided with handle, described valve seat is provided with intercommunicating pore, described spool left end stops up described intercommunicating pore under the effect of spring, described valve body is provided with filler opening, oil outlet, described filler opening is arranged on the left of described valve seat, described filler opening is communicated with described intercommunicating pore, described valve opening left end side is communicated with described oil outlet, during use, hydraulic oil enters from filler opening, provide a pressure to the right to the spool left end, when the pressure of filler opening is enough large, this pressure overcomes the elastic force of spring, spool is moved right, filler opening is communicated with oil outlet, hydraulic oil releases from oil outlet, thereby the pressure that makes filler opening no longer continues to increase, the utility model scientific structure, small volume, easy to install and use.
Description of drawings
Fig. 1 is the structural representation of direct-acting overflow valve of the present utility model.
Description of reference numerals:
1---valve body 11---filler opening
12---oil outlet 13---handle set
2---valve opening 3---valve seat
4---spool 5---spring
6---adjusting push rod 61---handle
62---hold-doun nut 63---seal ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model being described in further detail, is not that practical range of the present utility model is limited to this.
as shown in Figure 1, the direct-acting overflow valve of the present embodiment, comprise valve body 1, valve opening 2, valve seat 3, spool 4, described spool 4 slides and is arranged in described valve opening 2, described spool 4 right-hand members are connected with adjustment push rod 6 by spring 5, described adjustment push rod 6 is threaded with described valve body 1, described adjustment push rod 6 right-hand members are provided with handle 61, described valve seat 3 is provided with intercommunicating pore, described spool 4 left ends stop up described intercommunicating pore under the effect of spring 5, described valve body 1 is provided with filler opening 11, oil outlet 12, described filler opening 11 is arranged at described valve seat 3 left sides, described filler opening 11 is communicated with described intercommunicating pore, described valve opening 2 left end side are communicated with described oil outlet 12.during use, hydraulic oil enters from filler opening 11, provide a pressure to the right to spool 4 left ends, when the pressure of filler opening 11 is enough large, this pressure overcomes the elastic force of spring 5, spool 4 is moved right, filler opening 11 is communicated with oil outlet 12, hydraulic oil releases from oil outlet 12, thereby the pressure that makes filler opening 11 no longer continues to increase, can adjust push rod 6 by rotation, the initial pressure of Regulation spring 5, thereby the regulator solution force feed overcomes the needed pressure of the elastic force of spring 5, easy to adjust, the utility model scientific structure, small volume, easy to install and use.
Further, described oil outlet 12 is arranged at described valve body 1 bottom surface, and during installation, the bottom surface of valve body 1 is attachment face, facilitates oil outlet 12 to be connected with fuel tank.
Further, described valve body 1 is provided with handle set 13, and described adjustment push rod 6 is threaded with described handle set 13, and described adjustment push rod 6 is socketed with positioning boss, hold-doun nut 62, described positioning boss is positioned at described handle set 13 left ends, described hold-doun nut 62 is conflicted and is connected described handle set 13 right-hand members, during adjustment, first unclamps hold-doun nut 62, rotatable handle 61 again, thereby regulate the position of adjusting push rod 6, after adjustment is completed, then the nut 62 that is tightened.
Further, described adjustment push rod 6 sides are provided be used to the seal ring 63 that prevents the oil infiltration, and seal ring 63 prevents hydraulic fluid leak, pollutes and wastes.
Further, described handle set 13 is threaded with described valve body 1, and handle set 13 also is provided with seal ring 63 with valve body 1 joint.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; although with reference to preferred embodiment, the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (5)
1. direct-acting overflow valve, it is characterized in that: comprise valve body, valve opening, valve seat, spool, described spool slides and is arranged in described valve opening, described spool right-hand member is connected with the adjustment push rod by spring, described adjustment push rod is connected with described valve body screw thread, described adjustment push rod right-hand member is provided with handle, described valve seat is provided with intercommunicating pore, described spool left end stops up described intercommunicating pore under the effect of spring, described valve body is provided with filler opening, oil outlet, described filler opening is arranged on the left of described valve seat, described filler opening is communicated with described intercommunicating pore, described valve opening left end side is communicated with described oil outlet.
2. direct-acting overflow valve according to claim 1 is characterized in that: described oil outlet is arranged at described valve body bottom surface.
3. direct-acting overflow valve according to claim 1, it is characterized in that: described valve body is provided with handle set, described adjustment push rod is threaded with described handle set, described adjustment pushing rod sleeve is connected to positioning boss, hold-doun nut, described positioning boss is positioned on the left of described handle set, and described hold-doun nut is conflicted and connected described handle set right-hand member.
4. direct-acting overflow valve according to claim 3 is characterized in that: be provided with seal ring in described handle set, the sealing snare is connected to described adjustment push rod side.
5. direct-acting overflow valve according to claim 3, it is characterized in that: described handle set is connected with described valve body screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220412443 CN202972058U (en) | 2012-08-20 | 2012-08-20 | Direct-acting overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220412443 CN202972058U (en) | 2012-08-20 | 2012-08-20 | Direct-acting overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972058U true CN202972058U (en) | 2013-06-05 |
Family
ID=48513134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220412443 Expired - Fee Related CN202972058U (en) | 2012-08-20 | 2012-08-20 | Direct-acting overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202972058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089491A (en) * | 2015-07-27 | 2015-11-25 | 北京市三一重机有限公司 | Rotary drilling rig |
| CN109110047A (en) * | 2018-09-20 | 2019-01-01 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of benthoscope pressure hull |
-
2012
- 2012-08-20 CN CN 201220412443 patent/CN202972058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089491A (en) * | 2015-07-27 | 2015-11-25 | 北京市三一重机有限公司 | Rotary drilling rig |
| CN109110047A (en) * | 2018-09-20 | 2019-01-01 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of benthoscope pressure hull |
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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: 20130605 Termination date: 20140820 |
|
| EXPY | Termination of patent right or utility model |