CN103775412A - Electric hydraulic throttling valve - Google Patents
Electric hydraulic throttling valve Download PDFInfo
- Publication number
- CN103775412A CN103775412A CN201410029285.1A CN201410029285A CN103775412A CN 103775412 A CN103775412 A CN 103775412A CN 201410029285 A CN201410029285 A CN 201410029285A CN 103775412 A CN103775412 A CN 103775412A
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- Prior art keywords
- valve
- valve body
- spool
- head
- spiral propeller
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Abstract
The invention relates to an electric hydraulic throttling valve, and belongs to the technical field of hydraulic throttling valves. The electric hydraulic throttling valve comprises a valve body, a valve core and an adjusting rod, wherein the valve core is arranged in the valve body; the outer diameter of the head of the upper end of the valve body is larger than that of a part below the head; the part below the head of the valve body is provided with an outer thread; the valve wall of the part below the head of the valve body is provided with more than one transverse channel; the valve is cut through from top to bottom; the lower tip of the adjusting rod is pressed against one end of the valve core; the free end of the valve core points to an opening in the lower part of the valve body. The electric hydraulic throttling valve is characterized by further comprising a revolving motor and a helical propeller, wherein the revolving motor and the helical propeller are in transmission connection with each other; the helical propeller is arranged in the valve body; an acting rod of the helical propeller is fixedly connected with the adjusting rod. By adopting the electric hydraulic valve, the liquid flow can be adjusted easily, and high adjusting accuracy is achieved.
Description
Technical field
The present invention relates to a kind of electric hydaulic throttle valve, belong to hydraulic throttle valve technical field.
Background technique
At present, existing throttle valve comprises valve body, spool and adjustable lever, by the position of adjustable lever regulating spool, thereby changes fluid flow.
Chinese patent ZL201010589043.X discloses a kind of throttle valve, it comprises valve body, spool and adjustable lever, described spool is arranged in valve body, the external diameter of the upper end head of described valve body is greater than the external diameter of the following part of head, part below described valve head is provided with outside thread, on the valve wall of the following part of head of described valve body, be provided with more than one crosspassage, described valve body up/down perforation, the lower end of adjustable lever withstands one end of spool, the free end of described spool points to the opening of valve body lower portion, this patent can play the effect of general throttle valve, hydraulic part and pipeline are played to connection function simultaneously, can be used as hinge bolt uses, but this patent is to pass through manual tune, thereby it regulates trouble, degree of regulation is not high simultaneously.
Summary of the invention
The present invention is directed to the deficiency of the problems referred to above, propose a kind of adjusting simply, and the high electric hydaulic throttle valve of degree of regulation.
The present invention is that the technological scheme that solves the problems of the technologies described above proposition is: a kind of electric hydaulic throttle valve, comprise valve body, spool and adjustable lever, described spool is arranged in valve body, the external diameter of the upper end head of described valve body is greater than the external diameter of the following part of head, part below described valve head is provided with outside thread, on the valve wall of the following part of head of described valve body, be provided with more than one crosspassage, described valve body up/down perforation, the lower end of adjustable lever withstands one end of spool, the free end of described spool points to the opening of valve body lower portion, also comprise convolution motor and spiral propeller, described convolution motor and spiral propeller are in transmission connection, and described spiral propeller is arranged in valve body, and the operating bar of described spiral propeller is fixedly connected with adjustable lever.
Preferred: in described spool, to be provided with one-way valve, and to offer valve core through hole on described spool wall, on described valve body, be also provided with the more than one return flow line being connected with valve core through hole, and described return flow line is positioned at the top of crosspassage simultaneously.
Preferred: described valve body lower end opening is liquid outlet, described crosspassage is liquid entering hole, and described one-way valve comprises the back-up ring, spring and the nonreturn valve core that set gradually from top to bottom, and described nonreturn valve core withstands the opening of spool.
A kind of electric hydaulic throttle valve of the present invention, compared to existing technology, there is following beneficial effect: owing to being provided with convolution motor and spiral propeller, described convolution motor and spiral propeller are in transmission connection, and described spiral propeller is arranged in valve body, and the operating bar of described spiral propeller is fixedly connected with adjustable lever, therefore while adjusting, only need to regulate the rotation number of turns of convolution motor, can control the propelling of spiral propeller and return stroke, thereby control the position of spool, therefore the present invention can control the flow of liquid accurately, it controls simple simultaneously, convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Wherein: 1 is valve body, 2 is spool, and 3 is adjustable lever, and 4 is crosspassage, and 5 is the first spring, and 6 is valve core channel, and 7 is return flow line, and 8 is back-up ring, and 9 is the second spring, and 10 is nonreturn valve core, and 11 is spiral propeller, and 12 is convolution motor.
Embodiment
Accompanying drawing discloses the structural representation of a preferred embodiment of the invention without limitation, explains technological scheme of the present invention below with reference to accompanying drawing.
Embodiment
A kind of electric hydaulic throttle valve of the present embodiment, as shown in Figure 1, comprise valve body, spool and adjustable lever, described spool is arranged in valve body, the external diameter of the upper end head of described valve body is greater than the external diameter of the following part of head, part below described valve head is provided with outside thread, on the valve wall of the following part of head of described valve body, be provided with more than one crosspassage, described valve body up/down perforation, the lower end of adjustable lever withstands one end of spool, the free end of described spool points to the opening of valve body lower portion, also comprise convolution motor and spiral propeller, described convolution motor and spiral propeller are in transmission connection, and described spiral propeller is arranged in valve body, and the operating bar of described spiral propeller is fixedly connected with adjustable lever.
In described spool, be provided with one-way valve, and offer valve core through hole on described spool wall, on described valve body, be also provided with the more than one return flow line being connected with valve core through hole, and described return flow line is positioned at the top of crosspassage simultaneously.
Described valve body lower end opening is liquid outlet, and described crosspassage is liquid entering hole, and described one-way valve comprises the back-up ring, spring and the nonreturn valve core that set gradually from top to bottom, and described nonreturn valve core withstands the opening of spool.
Above by reference to the accompanying drawings the preferred specific embodiment of described the present invention only for embodiments of the present invention are described; rather than as the restriction to aforementioned goal of the invention and claims content and scope; every foundation technical spirit of the present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs to the technology of the present invention and rights protection category.
Claims (3)
1. an electric hydaulic throttle valve, comprise valve body, spool and adjustable lever, described spool is arranged in valve body, the external diameter of the upper end head of described valve body is greater than the external diameter of the following part of head, part below described valve head is provided with outside thread, on the valve wall of the following part of head of described valve body, be provided with more than one crosspassage, described valve body up/down perforation, the lower end of adjustable lever withstands one end of spool, the free end of described spool points to the opening of valve body lower portion, it is characterized in that: also comprise convolution motor and spiral propeller, described convolution motor and spiral propeller are in transmission connection, and described spiral propeller is arranged in valve body, and the operating bar of described spiral propeller is fixedly connected with adjustable lever.
2. electric hydaulic throttle valve according to claim 1, it is characterized in that: in described spool, be provided with one-way valve, and offer valve core through hole on described spool wall, on described valve body, be also provided with the more than one return flow line being connected with valve core through hole, and described return flow line is positioned at the top of crosspassage simultaneously.
3. electric hydaulic throttle valve according to claim 2, it is characterized in that: described valve body lower end opening is liquid outlet, described crosspassage is liquid entering hole, and described one-way valve comprises the back-up ring, spring and the nonreturn valve core that set gradually from top to bottom, and described nonreturn valve core withstands the opening of spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029285.1A CN103775412A (en) | 2014-01-22 | 2014-01-22 | Electric hydraulic throttling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029285.1A CN103775412A (en) | 2014-01-22 | 2014-01-22 | Electric hydraulic throttling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103775412A true CN103775412A (en) | 2014-05-07 |
Family
ID=50568036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410029285.1A Pending CN103775412A (en) | 2014-01-22 | 2014-01-22 | Electric hydraulic throttling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775412A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443245A (en) * | 2018-05-11 | 2018-08-24 | 中国航发湖南动力机械研究所 | Pressure-stabilizing pressure reducing sleeve and Pressure-stabilizing pressure reducing structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388946A (en) * | 1981-04-20 | 1983-06-21 | Linde Aktiengesellschaft | Valves |
| CN2200083Y (en) * | 1994-04-08 | 1995-06-07 | 西安交通大学 | Electronic expansion valve |
| EP0942103A1 (en) * | 1998-03-11 | 1999-09-15 | Poclain Hydraulics Industrie | Valve device for an hydraulic motor driving a large inertial mass |
| CN2345810Y (en) * | 1998-10-16 | 1999-10-27 | 沈阳东电动力调节保护技术研究所 | Precision throttle valve |
| CN2503286Y (en) * | 2001-09-07 | 2002-07-31 | 宜兴市四通塑粉有限公司 | Flow control magnetic valve |
| CN102032230A (en) * | 2010-12-04 | 2011-04-27 | 林友根 | Throttling valve |
-
2014
- 2014-01-22 CN CN201410029285.1A patent/CN103775412A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388946A (en) * | 1981-04-20 | 1983-06-21 | Linde Aktiengesellschaft | Valves |
| CN2200083Y (en) * | 1994-04-08 | 1995-06-07 | 西安交通大学 | Electronic expansion valve |
| EP0942103A1 (en) * | 1998-03-11 | 1999-09-15 | Poclain Hydraulics Industrie | Valve device for an hydraulic motor driving a large inertial mass |
| CN2345810Y (en) * | 1998-10-16 | 1999-10-27 | 沈阳东电动力调节保护技术研究所 | Precision throttle valve |
| CN2503286Y (en) * | 2001-09-07 | 2002-07-31 | 宜兴市四通塑粉有限公司 | Flow control magnetic valve |
| CN102032230A (en) * | 2010-12-04 | 2011-04-27 | 林友根 | Throttling valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443245A (en) * | 2018-05-11 | 2018-08-24 | 中国航发湖南动力机械研究所 | Pressure-stabilizing pressure reducing sleeve and Pressure-stabilizing pressure reducing structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140507 |
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| RJ01 | Rejection of invention patent application after publication |