CN211088056U - Transformer clamping assembly - Google Patents
Transformer clamping assembly Download PDFInfo
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- CN211088056U CN211088056U CN201922418800.6U CN201922418800U CN211088056U CN 211088056 U CN211088056 U CN 211088056U CN 201922418800 U CN201922418800 U CN 201922418800U CN 211088056 U CN211088056 U CN 211088056U
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- screw rod
- silicon steel
- sleeve
- compression spring
- steel sheet
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Abstract
The utility model provides a transformer clamping assembly, which comprises a screw rod, a bolt and a compression spring, wherein one end of the screw rod is provided with an external thread, the bolt is in threaded connection with two ends of the screw rod, the transformer clamping assembly also comprises clamping plates used for clamping two sides of laminated silicon steel sheets and a sleeve arranged between the clamping plates, an anti-drop limit structure is arranged between each layer of silicon steel sheets and between the clamping plates and the silicon steel sheets, the screw rod is arranged at two ends of the sleeve in an extensible way along the axial direction, through holes for the screw rod to pass are arranged on the clamping plates, the compression spring is arranged in the sleeve, two ends of the compression spring are linked with the screw rod, the two ends of the compression spring are arranged at two ends of the sleeve in an extensible way along the axial direction, and the two ends of the compression spring are linked with corresponding side screw rods, thereby the total length of the screw rod is adjustable, so as, the universality is improved.
Description
Technical Field
The utility model relates to a clamping component, in particular to transformer clamping component.
Background
The core is the main magnetic circuit part in the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system.
In the prior art, the superposition of the silicon steel sheets of the transformer core is completed through the pins, the silicon steel sheets which are stacked are firstly measured to ensure the parallelism and the verticality of the silicon steel sheets, the distance from the iron core to the edge of a clamping piece and the hole distance from the two sides of the iron core to the side screw rods are measured by using a steel plate ruler, and finally the silicon steel sheets are fixed through the pins. In order to solve the above technical problems, the prior art discloses a transformer clamping assembly, which comprises a screw 4 ' and a bolt 5 ', as shown in fig. 5, iron core silicon steel sheets 1 ' are stacked, through holes are correspondingly formed at four corners of the silicon steel sheets 1 ', the screw 4 ' is inserted into the through holes, two ends of the screw 4 ' penetrate through the outermost silicon steel sheet 1 ', an external thread is arranged at an inserting end of the screw 4 ', the bolt 5 ' is in threaded connection with two ends of the screw 4 ' and clamps the stacked silicon steel sheets 1 ', a compression spring 7 ' is arranged between the bolt 5 ' and the outermost silicon steel sheet 1 ' for increasing a pressing force and preventing thread slipping, the compression spring 7 ' is sleeved on the screw 4 ', an axial snap force between the bolt 5 ' and the screw 4 ' is increased by an extrusion force of the compression spring 7 ', so as to prevent thread slipping, and the clamping assembly has a simple structure, the operation is convenient, the clamping effect is better, but the following defects still exist:
the length of the screw is fixed, and the screw with a specific specification is generally selected according to the laminated thickness of the silicon steel sheets, so that the length of the screw needs to be processed according to the laminated thickness of the silicon steel sheets, the universality is poor, and the processing cost is increased; and the compression spring is exposed outside and is easy to be oxidized and rusted, so that the clamping effect is influenced, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
Therefore, to the above-mentioned problem, the utility model provides a transformer clamping component.
In order to realize the technical problem, the utility model discloses the solution that takes is that transformer clamping assembly, including screw rod, bolt and pressure spring, the one end of screw rod is provided with the external screw thread, the bolt with the both ends threaded connection of screw rod, still including being used for pressing from both sides the splint of range upon range of silicon steel sheet both sides, set up the sleeve between the splint, be provided with anticreep limit structure between every layer of silicon steel sheet, between splint and the silicon steel sheet, the screw rod along the scalable setting in the telescopic both ends of axial, set up the confession on the splint the through-hole that the screw rod passed, pressure spring set up in the sleeve, pressure spring's both ends with the screw rod linkage.
The further improvement is that: the sleeve is internally provided with a sliding block in a sliding mode along the axial direction, two ends of the compression spring are connected with the sliding block, and the sliding block is detachably connected with the screw rod.
The further improvement is that: the screw rod is located one end in the sleeve is provided with an external thread, a thread groove is formed in the sliding block, and the sliding block is detachably connected with the screw rod through threads.
The further improvement is that: the limiting structure comprises a protrusion and a groove, the protrusion and the groove are respectively and correspondingly arranged on two side faces of the silicon steel sheet, and the protrusion and the groove are respectively arranged on one side of the two clamping plates.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses be equipped with the transformer clamping assembly, follow the scalable setting in sleeve both ends of axial through the screw rod, and compression spring's both ends with correspond the linkage of side screw rod to make the total length of screw rod adjustable, so that adapt to the range upon range of thickness of silicon steel sheet of different iron cores, need not again according to the screw rod that different range upon range of thickness processing corresponds the specification, improve the commonality, simultaneously, compression spring sets up in the sleeve, thereby avoids it to receive the oxidation, increases its life.
Drawings
Fig. 1 is a perspective view of a transformer clamping assembly according to an embodiment of the present invention.
Fig. 2 is a side cross-sectional view of a transformer clamping assembly in accordance with an embodiment of the present invention.
Fig. 3 is a front view of a transformer clamping assembly according to an embodiment of the present invention.
Fig. 4 is a partial enlarged view of a transformer clamping assembly according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of the background art.
In the figure: silicon steel sheet 1, splint 2, sleeve 3, screw rod 4, bolt 5, slider 6, pressure spring 7.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
The first embodiment is as follows:
referring to fig. 1-4, the embodiment of the present invention discloses a transformer clamping assembly, including a screw rod 4, a bolt 5 and a compression spring 7, one end of the screw rod 4 is provided with an external thread, the bolt 5 is connected with both ends of the screw rod 4 by a thread, and the transformer clamping assembly further includes a clamping plate 2 for clamping both sides of a laminated silicon steel sheet 1, and a sleeve 3 arranged between the clamping plate 2, wherein the sleeve 3 is distributed at four corners of the clamping plate 2, a through hole for the screw rod 4 to pass is opened on the clamping plate 2, the compression spring 7 is arranged in the sleeve 3, two side faces of each layer of silicon steel sheet 1 are respectively provided with a protrusion and a groove, when each layer of silicon steel sheet 1 is stacked, the protrusion and the groove of the adjacent silicon steel sheet 1 are correspondingly clamped, thereby realizing spacing lamination between the silicon steel sheets 1 and preventing the silicon steel sheets from shifting, and in addition, the side faces of, The recess to realize spacing fixedly between prelude silicon steel sheet 1, afterbody silicon steel sheet 1 and the corresponding splint 2, it is provided with slider 6 to slide along the axial in the sleeve 3, hold-down spring 7 both ends with slider 6 is connected, screw rod 4 is located one end in the sleeve 3 is equipped with the external screw thread, set up the thread groove on the slider 6, slider 6 with can dismantle the connection through the screw thread between the screw rod 4.
The utility model discloses be equipped with the transformer clamping assembly, screw rod 4 is scalable setting up in sleeve 3 both ends along the axial, and compression spring 7's both ends with correspond side screw rod 4 linkage to make screw rod 4's total length adjustable, so that adapt to the range upon range of thickness of the silicon steel sheet of different iron cores, need not again according to the screw rod 4 of the range upon range of thickness processing correspondence specification of difference, improve the commonality, simultaneously, compression spring 7 sets up in sleeve 3, thereby avoids it to receive the oxidation, increases its life.
When in use, the silicon steel sheets 1 are firstly stacked, then the clamping plates 2 are arranged at the two ends of the silicon steel sheets 1, the anti-drop limit is realized by correspondingly clamping the bulge and the groove, a screw rod 4 is firstly assembled with the sleeve 3, specifically, one end of the screw rod 4 is inserted into the sleeve 3 and is screwed into the thread groove of the slide block 6, the screw rod 4 passes through the through hole of the clamping plate 2 after the assembly is finished, the bolt 5 is locked at the end part of the screw rod 4 in advance, the other screw rod 4 is installed according to the steps, the bolts 5 at the two ends are screwed tightly to finish the clamping operation of the iron core, when the lamination thickness is large, the pressing spring 7 is in a stretching state, when the lamination thickness is small, the pressing spring 7 is in a compressing state, the screw rod 4 is extruded or stretched by the pressing spring 7, thereby increasing the biting force between the screw rod 4 and the bolt 5 to achieve a good clamping effect.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (4)
1. The utility model provides a transformer clamping assembly, includes screw rod, bolt and pressure spring, the one end of screw rod is provided with the external screw thread, the bolt with the both ends threaded connection of screw rod, its characterized in that: still including being used for pressing from both sides tight at the splint of range upon range of silicon steel sheet both sides, set up the sleeve between the splint, be provided with anti-disengaging limit structure between every layer of silicon steel sheet, between splint and the silicon steel sheet, the screw rod along the axial scalable set up in telescopic both ends, the confession has been seted up on the splint the through-hole that the screw rod passed, compression spring set up in the sleeve, compression spring's both ends with the screw rod linkage.
2. The transformer clamp assembly of claim 1, wherein: the sleeve is internally provided with a sliding block in a sliding mode along the axial direction, two ends of the compression spring are connected with the sliding block, and the sliding block is detachably connected with the screw rod.
3. The transformer clamp assembly of claim 2, wherein: the screw rod is located one end in the sleeve is provided with an external thread, a thread groove is formed in the sliding block, and the sliding block is detachably connected with the screw rod through threads.
4. The transformer clamp assembly of claim 1, wherein: the limiting structure comprises a protrusion and a groove, the protrusion and the groove are respectively and correspondingly arranged on two side faces of the silicon steel sheet, and the protrusion and the groove are respectively arranged on one side of the two clamping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418800.6U CN211088056U (en) | 2019-12-27 | 2019-12-27 | Transformer clamping assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418800.6U CN211088056U (en) | 2019-12-27 | 2019-12-27 | Transformer clamping assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088056U true CN211088056U (en) | 2020-07-24 |
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ID=71632070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922418800.6U Active CN211088056U (en) | 2019-12-27 | 2019-12-27 | Transformer clamping assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117238628A (en) * | 2023-11-16 | 2023-12-15 | 浙江华赢新材科技股份有限公司 | Spliced transformer core and transformer using same |
-
2019
- 2019-12-27 CN CN201922418800.6U patent/CN211088056U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117238628A (en) * | 2023-11-16 | 2023-12-15 | 浙江华赢新材科技股份有限公司 | Spliced transformer core and transformer using same |
| CN117238628B (en) * | 2023-11-16 | 2024-03-19 | 浙江华赢新材科技股份有限公司 | Spliced transformer core and transformer using same |
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