CN204828129U - Integrated sharp driver of moving -iron electricity liquid - Google Patents
Integrated sharp driver of moving -iron electricity liquid Download PDFInfo
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- CN204828129U CN204828129U CN201520564197.1U CN201520564197U CN204828129U CN 204828129 U CN204828129 U CN 204828129U CN 201520564197 U CN201520564197 U CN 201520564197U CN 204828129 U CN204828129 U CN 204828129U
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- piston
- barrel
- cover
- cylindrical shell
- moving
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Abstract
The utility model relates to an integrated sharp driver of moving -iron electricity liquid, the novel nipple rectifier comprises a cylindrical shel, the cover, a piston, the cover links to each other with barrel both ends port respectively, the piston is installed inside the barrel, its circular block structure that is equipped with the plunger pole for both ends, the center of piston is equipped with the through -hole, the piston rod at both ends passes the cover at barrel both ends respectively, be equipped with the hydraulic fluid port on the section of thick bamboo wall of barrel both sides respectively, barrel section of thick bamboo wall middle part is hollow seal structure, around establishing the coil in the cavity of section of thick bamboo wall middle part, open along circumference the piston both sides has the permanent magnet recess, install permanent magnet and sealed through rubber seal in the permanent magnet recess, be equipped with the retaining ring between rubber seal's the outside and the piston. The utility model discloses two kind integrated driving method and interchangeable, security, the reliability of improvement driver.
Description
Technical field
The utility model belongs to the technical field of linear actuator, is specifically related to a kind of moving-iron type electricity liquid integrated straight line driver.
Background technique
Linear actuator is that one is widely used in aviation, space flight, boats and ships, lathe, the driver in the fields such as engineering machinery, in driving source, mainly contain hydraulic driving and motor drives two kinds of modes, in driving structure, linear electric motor are had to drive, motor or oil hydraulic motor drive through gear rack or leading screw, motor or oil hydraulic motor drive through slidercrank mechanism, Driven by Hydraulic Cylinder etc., in some occasion, to driving Security, reliability requirement is high, require the driving mode being equipped with multiple different driving principle, can mutually back up, another kind of driving mode was enabled wherein when a kind of driving mode loses efficacy, between multiple driving mode can clutch quickly and easily, switching, require that the size of driver is little in addition, so that arrange and install.
For satisfied driving Security, requirement that reliability is high, existing scheme generally adopts the compound mode of motorized motions and hydraulic driving serial or parallel connection, but often need special clutch, switching device, axis or radial dimension greatly, are difficult to the user demand reaching some occasion.
Summary of the invention
The purpose of this utility model is to provide a kind of moving-iron type electricity liquid integrated straight line driver for above-mentioned technical need, and the linear actuator scheme electronic, hydraulic driving become one, can realize linear drives that is electronic or hydraulic way.
To achieve these goals, the utility model adopts following technological scheme: a kind of moving-iron type electricity liquid integrated straight line driver, it is characterized in that: comprise cylindrical shell, cover, piston, described cover is connected with described cylindrical shell two ends port respectively, described piston is installed in inner barrel, described piston is the circular block body structure that two ends are provided with plunger bar, the center of piston is provided with through hole, the piston rod at piston two ends is each passed through the cover at cylindrical shell two ends, the barrel of cylindrical shell both sides is respectively equipped with hydraulic fluid port, it is hollow seal structure in the middle part of cylindrical shell barrel, winding coil in barrel central cavity, barrel has cable duct, cable is connected with described coil through described cable duct, described piston both sides circumferentially have permanent magnet groove, install permanent magnet in described permanent magnet groove and pass through rubber seal rings for seal, back-up ring is provided with between the outside of described rubber seal and piston.
By such scheme, in the middle part of described piston, circumferentially have guiding groove, in described guiding groove, be provided with piston guide cover.
By such scheme, described cylindrical shell is provided with several mounting hole.
By such scheme, described piston rod both ends open is provided with internal thread.
By such scheme, between described cylindrical shell and cover, be equipped with " O " RunddichtringO between cover and piston rod and seal.
The beneficial effects of the utility model are: provide a kind of moving-iron type electricity liquid integrated straight line driver, electronic, hydraulic pressure two kinds of driving mode are organically combined, the driving mode of two kinds of different principle can be provided, compact structure, yardstick are little, switching between two kinds of driving mode is simple and efficient, mutually use be can back up, Security, the reliability of driver effectively can be improved.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model first embodiment.
Fig. 2 is the sectional view of the utility model first embodiment.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Wherein: cylindrical shell 1, cover 2, piston 3, piston rod 4, through hole 5, hydraulic fluid port 6, permanent magnet 7, permanent magnet groove 8, coil 9, rubber seal 10, piston guide cover 11, mounting hole 12, back-up ring 13, cable 14.
Embodiment
Now be described the utility model mode of execution by reference to the accompanying drawings, the utility model is not limited to following embodiment.
As Figure 1-3, a kind of moving-iron type electricity liquid integrated straight line driver, comprise cylindrical shell 1, cover 2, piston 3, cover is connected with cylindrical shell two ends port respectively, cylindrical shell is provided with several mounting hole 12, be convenient to being fixedly connected with of linear actuator and pedestal, piston is installed in inner barrel, its two ends are provided with the circular block body structure of plunger bar 4, the center of piston is provided with through hole 5, the piston rod at two ends is each passed through the cover at cylindrical shell two ends, piston rod both ends open is provided with internal thread, form screw to be connected with driven load, also other Placements can be adopted, the barrel of cylindrical shell both sides is respectively equipped with hydraulic fluid port 6, be connected with oil circuit by hydraulic fluid port, it is hollow seal structure in the middle part of cylindrical shell barrel, winding coil 9 in barrel central cavity, piston both sides circumferentially have permanent magnet groove 8, install permanent magnet 7 in permanent magnet groove and sealed by rubber seal 10, back-up ring 13 is provided with between the outside of rubber seal and piston, rubber seal is made to locate sealing, circumferentially guiding groove is had in the middle part of piston, piston guide cover 11 is provided with in guiding groove, between cylindrical shell and cover, the sealing of " O " RunddichtringO is equipped with between cover and piston rod.
Barrel has cable duct, cable 14 is connected with coil through cable duct, and work as coil electricity, and during two of cylindrical shell hydraulic fluid port bypass, permanent magnet moves under magnetic fields, driver is moving-iron type linear motor; When coil no electric circuit, and when being communicated with oil circuit by two of cylindrical shell hydraulic fluid ports, piston is at oil pressure move under influence, and driver is oil hydraulic cylinder.
By the bypass/opening operation of the power on/off of coil with hydraulic fluid port, the mutual switching between electronic/hydraulic driving can be realized, without the need to being equipped with special clutching device, and mutually switch at arbitrary distance of run place, the fault of driving mode can not have influence on a job for another kind of driving mode, mutually can back up use.
This linear actuator is by organically combining electronic, hydraulic pressure two kinds of driving mode, the driving mode of two kinds of different principle can be provided, compact structure, yardstick are little, switching between two kinds of driving mode is simple and efficient, mutually use be can back up, Security, the reliability of driver effectively can be improved.
The above is preferred embodiment of the present utility model, but the utility model is not limited to the content disclosed in above-described embodiment and accompanying drawing.Do not depart from so every disclosed in the utility model in the equivalence that held or amendment, all fall into the scope of the utility model protection.
Claims (5)
1. a moving-iron type electricity liquid integrated straight line driver, it is characterized in that: comprise cylindrical shell, cover, piston, described cover is connected with described cylindrical shell two ends port respectively, described piston is installed in inner barrel, described piston is the circular block body structure that two ends are provided with plunger bar, the center of piston is provided with through hole, the piston rod at piston two ends is each passed through the cover at cylindrical shell two ends, the barrel of cylindrical shell both sides is respectively equipped with hydraulic fluid port, it is hollow seal structure in the middle part of cylindrical shell barrel, winding coil in barrel central cavity, barrel has cable duct, cable is connected with described coil through described cable duct, described piston both sides circumferentially have permanent magnet groove, install permanent magnet in described permanent magnet groove and pass through rubber seal rings for seal, back-up ring is provided with between the outside of described rubber seal and piston.
2. a kind of moving-iron type electricity liquid integrated straight line driver according to claim 1, is characterized in that circumferentially having guiding groove in the middle part of described piston, is provided with piston guide cover in described guiding groove.
3. a kind of moving-iron type electricity liquid integrated straight line driver according to claim 1, is characterized in that described cylindrical shell is provided with several mounting hole.
4. a kind of moving-iron type electricity liquid integrated straight line driver according to claim 1, is characterized in that described piston rod both ends open is provided with internal thread.
5. a kind of moving-iron type electricity liquid integrated straight line driver according to claim 1, is characterized in that between described cylindrical shell and cover, is equipped with " O " RunddichtringO seals between cover and piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564197.1U CN204828129U (en) | 2015-07-30 | 2015-07-30 | Integrated sharp driver of moving -iron electricity liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564197.1U CN204828129U (en) | 2015-07-30 | 2015-07-30 | Integrated sharp driver of moving -iron electricity liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828129U true CN204828129U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564197.1U Active CN204828129U (en) | 2015-07-30 | 2015-07-30 | Integrated sharp driver of moving -iron electricity liquid |
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| Country | Link |
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| CN (1) | CN204828129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713103A (en) * | 2016-02-14 | 2018-10-26 | 学校公司冬木学园 | Fluid pressure type driver elastomer tube and driver |
-
2015
- 2015-07-30 CN CN201520564197.1U patent/CN204828129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713103A (en) * | 2016-02-14 | 2018-10-26 | 学校公司冬木学园 | Fluid pressure type driver elastomer tube and driver |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |