CN213512313U - Magnetic core tube for proportional electromagnet, proportional electromagnet and hydraulic structural part - Google Patents
Magnetic core tube for proportional electromagnet, proportional electromagnet and hydraulic structural part Download PDFInfo
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- CN213512313U CN213512313U CN202022331318.1U CN202022331318U CN213512313U CN 213512313 U CN213512313 U CN 213512313U CN 202022331318 U CN202022331318 U CN 202022331318U CN 213512313 U CN213512313 U CN 213512313U
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- proportional electromagnet
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- pin bushing
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Abstract
The utility model provides a proportion is core pipe, proportion electro-magnet and hydraulic pressure structure spare for electro-magnet. The utility model discloses a proportion is magnetic core pipe for electro-magnet, including the guide pin bushing subassembly that has the inner chamber, be equipped with armature and push rod in the inner chamber of guide pin bushing subassembly, push rod fixed connection has the oil feed hole of clearance in order to form and inner chamber intercommunication between push rod and guide pin bushing subassembly at the head end of armature, is equipped with the oil gallery that communicates with the inner chamber on the guide pin bushing subassembly, and the oil gallery sets up on the lateral wall of guide pin bushing subassembly with the mode slope of oil inlet towards inner chamber and oil-out orientation guide pin bushing subassembly head end. The utility model discloses a proportion is magnetic core pipe for electro-magnet can avoid because of the unstability scheduling problem that the inner chamber pressure imbalance caused, the operational reliability is high.
Description
Technical Field
The utility model belongs to the technical field of the electro-magnet technique and specifically relates to a proportion is core pipe, proportion electro-magnet and hydraulic pressure structure spare for electro-magnet.
Background
The proportional electromagnet is the most widely used electro-mechanical converter in electro-hydraulic proportional control technology, and its function is to convert the current signal supplied by the proportional control amplifier into force or displacement. According to different use conditions and adjusting parameters, proportional electromagnets can be generally divided into three basic application types, namely a force control type, a stroke control type and a position adjusting type; the force control type proportional electromagnet directly outputs force, the working stroke is short, and the force control type proportional electromagnet has horizontal displacement-force characteristics in a working area.
At present, the force control type proportional electromagnet directly takes an inner cavity of the electromagnet as an oil return hole, and the instability of the electromagnet is easily caused when air exists in the inner cavity of the electromagnet; the existing structure usually adopts an exhaust device to exhaust the inner cavity so as to solve the unstable problem, however, some working conditions have the practical problems of narrow installation space and the like, so that the exhaust device cannot be arranged to exhaust. In addition, for the proportional electromagnet installed by the screw, an oil return hole is usually formed in the bottom surface of the proportional electromagnet, and when a coil of the electromagnet is damaged, the proportional electromagnet needs to be stopped to be detached and replaced, so that the actual operation is not utilized.
In view of this, the utility model is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a proportion is magnetic core pipe, proportion electro-magnet and hydraulic structure spare for the electro-magnet, this proportion is magnetic core pipe for the electro-magnet can avoid because of the unstable scheduling problem that the inner chamber unbalanced pressure caused, and the operational reliability is high.
The utility model provides a proportion is magnetic core pipe for electro-magnet, including the guide pin bushing subassembly that has the inner chamber, be equipped with armature and push rod in the inner chamber of guide pin bushing subassembly, push rod fixed connection has the oil feed hole of clearance in order to form with the inner chamber intercommunication between push rod and guide pin bushing subassembly at the head end of armature, is equipped with the oil gallery that communicates with the inner chamber on the guide pin bushing subassembly, and the oil gallery sets up on the lateral wall of guide pin bushing subassembly with the mode slope of oil inlet towards inner chamber and oil-out orientation guide pin bushing subassembly head end.
Further, the oil inlet of the oil return hole is arranged in a mode of being close to the oil inlet hole.
Further, the inclined setting angle of the oil return hole is 30-40 degrees.
Furthermore, the aperture of the oil return hole is 1-2 mm.
Furthermore, the head end of the guide sleeve assembly is provided with a connecting thread for connecting a hydraulic structural member, the front end of the guide sleeve assembly is provided with a sealing ring for sealing with the hydraulic structural member, and an oil outlet of the oil return hole is arranged between the connecting thread and the sealing ring.
Furthermore, a bush is further arranged in the inner cavity of the head end of the guide sleeve assembly, a gap is reserved between the push rod and the bush to form an oil inlet hole, and an oil inlet of the oil return hole is located behind the tail end of the bush.
The utility model also provides a proportion electro-magnet, including coil and the aforesaid arbitrary proportion is magnetic core pipe for the electro-magnet, the coil casing is established in proportion is outside of magnetic core pipe for the electro-magnet.
Furthermore, the coil and the magnetic core tube for the proportional electromagnet are of a split structure, and the coil is detachably sleeved outside the magnetic core tube for the proportional electromagnet.
The utility model also provides a hydraulic pressure structure, including main part and foretell proportion electro-magnet, the head end fixed connection of proportion electro-magnet is equipped with the oil gallery in the main part, oil gallery and the oil gallery intercommunication of proportion electro-magnet in the main part.
Furthermore, a flange is arranged on the main body, and the proportional electromagnet is in threaded connection with the flange.
The utility model discloses a proportion is magnetic core pipe for electro-magnet sets up the oil gallery on the guide pin bushing subassembly, and the oil inlet of oil gallery forms the intercommunication towards the inner chamber so that with the inlet port, and the oil-out simultaneously towards guide pin bushing subassembly head end in order to communicate with outside oil gallery, and unstable scheduling problem that the mode of should setting up can avoid causing because of inner chamber pressure imbalance, and the operational reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a core tube for a proportional electromagnet according to an embodiment of the present invention.
Description of reference numerals:
1: a guide sleeve assembly; 2: an armature; 3: a push rod; 4: an oil inlet hole; 5: an oil return hole; 6: a seal ring; 7: a bushing.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the magnetic core tube for the proportional electromagnet of the present embodiment includes a guide sleeve assembly 1 having an inner cavity, an armature 2 and a push rod 3 are disposed in the inner cavity of the guide sleeve assembly 1, the push rod 3 is fixedly connected to a head end of the armature 2, a gap is formed between the push rod 3 and the guide sleeve assembly 1 to form an oil inlet 4 communicated with the inner cavity, an oil return hole 5 communicated with the inner cavity is disposed on the guide sleeve assembly 1, and the oil return hole 5 is obliquely disposed on a side wall of the guide sleeve assembly 1 in a manner that an oil inlet faces the inner cavity and an oil outlet faces the head end of the guide.
The proportional electromagnet of the embodiment uses the magnetic core tube to set the oil return hole 5 on the guide sleeve assembly 1, wherein the oil inlet of the oil return hole 5 faces the inner cavity so as to be communicated with the oil inlet 4, and the oil outlet faces the head end of the guide sleeve assembly 1 so as to be communicated with the external oil return groove. At the moment, oil return can be realized without an inner cavity of the electromagnet, so that the problems of instability and the like caused by unbalanced pressure of the inner cavity are avoided.
The specific position of the oil inlet of the oil return hole 5 is not strictly limited in the embodiment; in an embodiment, the oil inlet of the oil return hole 5 may be disposed close to the oil inlet hole 4, so as to facilitate quick oil return.
In this embodiment, the inclined angle and the aperture of the oil return hole 5 are not strictly limited, and the inclined angle of the oil return hole 5 is only required to not hinder the related functions of other structural members, and the aperture and other related parameters can be reasonably set according to actual needs. Specifically, the inclined setting angle of the oil return hole 5 may be 30 to 40 degrees, for example, 35 degrees; the aperture of the oil return hole 5 can be set to be 1-2 mm.
In order to facilitate connection and sealing with a hydraulic structural component, a connecting thread for connecting the hydraulic structural component may be arranged at the head end of the guide sleeve assembly 1, and a sealing ring 6 for sealing with the hydraulic structural component may be arranged at the front end of the guide sleeve assembly 1. At this time, the oil outlet of the oil return hole 5 may be disposed between the connecting thread and the sealing ring 6, thereby not affecting the connecting function of the connecting thread nor the sealing function of the sealing ring 6.
In addition, a bush 7 can be further arranged in the inner cavity of the head end of the guide sleeve assembly 1, the head end of the push rod 3 penetrates through the bush 7, a gap is formed between the push rod 3 and the bush 7 to form the oil inlet hole 4, and an oil inlet of the oil return hole 5 can be arranged behind the tail end of the bush 7.
In the present embodiment, the guide sleeve assembly 1, the armature 2, the push rod 3, the seal ring 6, etc. may be conventional structural members in the field, and may be arranged in a conventional manner; in addition, it can be understood that the magnetic core tube for the proportional electromagnet of the present embodiment may further include other structural members for implementing related functions of the proportional electromagnet, which are all conventional structures in the art and will not be described herein again.
The proportion is magnetic core pipe for the electro-magnet of this embodiment sets up oil gallery 5 on guide pin bushing subassembly 1, and the oil inlet and the inlet port 4 of oil gallery 5 form the intercommunication, and the oil-out of oil gallery 5 need not to run through guide pin bushing subassembly 1 cavity when the oil return in order to communicate with outside oil gallery towards guide pin bushing subassembly 1 head end to can avoid the unstability scheduling problem that causes because of inner chamber pressure imbalance.
Example 2
The proportional electromagnet of the present embodiment includes a coil and the proportional electromagnet core tube of embodiment 1, and the coil is fitted around the proportional electromagnet core tube.
In the present embodiment, the coil and the proportional electromagnet core tube are provided as separate structures, that is, the coil and the proportional electromagnet core tube can be independently mounted; meanwhile, the coil can be sleeved outside the magnetic core tube for the proportional electromagnet in a conventional detachable mode, and is connected and fixed by utilizing a nut and the like. The arrangement mode can replace the electromagnet coil without stopping the machine, thereby being beneficial to actual operation.
It is understood that the proportional electromagnet of the present embodiment may further include other structural components for implementing functions related to the proportional electromagnet, which are all conventional structural components in the art and may be arranged in a conventional manner, and therefore, no further description is provided herein.
According to the proportional electromagnet, the oil return hole 5 is formed in the guide sleeve assembly 1, so that the problems of instability and the like caused by imbalance of pressure in the inner cavity are solved; meanwhile, the coil and the magnetic core tube for the proportional electromagnet are arranged to be of a split structure, so that the electromagnet coil is convenient to replace in a non-stop state, and the practical operation is facilitated.
Example 3
The hydraulic structural component of the embodiment comprises a main body and the proportional electromagnet of the embodiment 2; wherein, the head end fixed connection of proportion electro-magnet is equipped with the oil gallery in the main part on the main part, and the oil gallery communicates with oil gallery 5 of proportion electro-magnet.
The connection of the proportional electromagnet to the main body is not critical, and for example, a flange may be integrally formed on the main body, in which case the proportional electromagnet may be screwed to the flange.
The specific type of hydraulic structure is not strictly limited and may be, for example, a hydraulic solenoid valve, a hydraulic motor, a hydraulic pump, etc.
According to the hydraulic structural member of the embodiment, the oil return hole 5 is formed in the guide sleeve assembly 1, so that the problems of instability and the like caused by imbalance of inner cavity pressure are solved, and the working reliability of the hydraulic structural member is high; in addition, the coil and the magnetic core tube for the proportional electromagnet are arranged to be of a split structure, so that the electromagnet coil is convenient to replace in a non-stop state, and convenience in actual operation is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a proportion is magnetic core pipe for electro-magnet, its characterized in that, including the guide pin bushing subassembly that has the inner chamber, be equipped with armature and push rod in the inner chamber of guide pin bushing subassembly, push rod fixed connection has the clearance in order to form the inlet port with the inner chamber intercommunication between push rod and guide pin bushing subassembly, be equipped with the oil gallery with the inner chamber intercommunication on the guide pin bushing subassembly, the oil gallery sets up on the lateral wall of guide pin bushing subassembly with the mode slope of oil inlet towards inner chamber and oil-out towards guide pin bushing subassembly head end.
2. The magnetic core tube for a proportional electromagnet according to claim 1, wherein the oil inlet of the oil return hole is provided near the oil inlet hole.
3. The proportional electromagnet core tube according to claim 1, wherein the oil return hole is inclined at an angle of 30 to 40 degrees.
4. The magnetic core tube for a proportional electromagnet according to claim 1, wherein the diameter of the oil return hole is 1 to 2 mm.
5. The magnetic core tube for the proportional electromagnet according to claim 1, wherein a connecting thread for connecting a hydraulic structural member is provided at a head end of the guide sleeve assembly, a seal ring for sealing with the hydraulic structural member is provided at a front end of the guide sleeve assembly, and an oil outlet of the oil return hole is provided between the connecting thread and the seal ring.
6. The magnetic core tube for the proportional electromagnet according to claim 1, wherein a bushing is further disposed in the inner cavity of the head end of the guide sleeve assembly, a gap is formed between the push rod and the bushing to form an oil inlet hole, and an oil inlet of the oil return hole is located behind the tail end of the bushing.
7. A proportional electromagnet, comprising a coil and the core tube for a proportional electromagnet according to any one of claims 1 to 6, wherein the coil is fitted around the outside of the core tube for a proportional electromagnet.
8. The proportional electromagnet according to claim 7, wherein the coil and the core tube for the proportional electromagnet are separate structures, and the coil is detachably fitted around the outside of the core tube for the proportional electromagnet.
9. A hydraulic structure, comprising a main body and the proportional electromagnet of claim 7 or 8, wherein the head end of the proportional electromagnet is fixedly connected to the main body, and the main body is provided with an oil return groove which is communicated with an oil return hole of the proportional electromagnet.
10. A hydraulic structural member according to claim 9 wherein a flange is provided on the body and the proportional electromagnet is threaded onto the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331318.1U CN213512313U (en) | 2020-10-19 | 2020-10-19 | Magnetic core tube for proportional electromagnet, proportional electromagnet and hydraulic structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331318.1U CN213512313U (en) | 2020-10-19 | 2020-10-19 | Magnetic core tube for proportional electromagnet, proportional electromagnet and hydraulic structural part |
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| Publication Number | Publication Date |
|---|---|
| CN213512313U true CN213512313U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022331318.1U Active CN213512313U (en) | 2020-10-19 | 2020-10-19 | Magnetic core tube for proportional electromagnet, proportional electromagnet and hydraulic structural part |
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| CN (1) | CN213512313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321485A (en) * | 2021-12-31 | 2022-04-12 | 安阳凯地磁力科技股份有限公司 | Proportion-adjustable electromagnet |
-
2020
- 2020-10-19 CN CN202022331318.1U patent/CN213512313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321485A (en) * | 2021-12-31 | 2022-04-12 | 安阳凯地磁力科技股份有限公司 | Proportion-adjustable electromagnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 455000 No. 2, north of west section of Changjiang Avenue, high tech Zone, Anyang City, Henan Province Patentee after: Anyang Kaidi Magnetic Technology Co.,Ltd. Address before: 455000 North Road, Changjiang Road, Anyang high tech Zone, Henan, China Patentee before: ANYANG KAIDI ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |