Cushion block piece and dry-type transformer

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By designing removable and connected pads, the problem of extended production cycle of the new dry transformer is solved, and a faster production process is achieved.

CN222462570UActive Publication Date: 2025-02-11GUANGDONG MINGYANG ELECTRIC CO LTD +1

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Patent Information

Application Number: CN202323463709.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2023-12-18
Publication Date: 2025-02-11
Estimated Expiration: 2033-12-18

AI Technical Summary

Technical Problem

In the prior art, when producing a new dry transformer, the pad parts need to be re-produced, resulting in an extended production cycle.

Method used

A pad piece is designed, including a base pad and a coil pad. The coil pad is removably connected to the base pad. The production staff can replace the coil pad to obtain pad pieces of different heights.

Benefits of technology

With this structure, the time for producing new dry transformers is shortened, avoiding the time for reinjection molding of the pads and significantly reducing the production cycle.

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Abstract

The utility model discloses a cushion block piece and a dry-type transformer, the cushion block piece comprises a foundation cushion block and a coil cushion block, and the coil cushion block is detachably connected with the foundation cushion block. By means of the structure, the coil cushion block is detachably connected with the basic cushion block, when a new dry-type transformer needs to be produced, production personnel can obtain the cushion block piece with the corresponding height by replacing the coil cushion block on the basic cushion block, the time needed by the work is shorter than that needed by the work of carrying out injection molding again to produce the cushion block piece, and therefore the production efficiency is greatly improved. And the production period of the novel dry-type transformer can be shortened.

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Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a cushion block and a dry-type transformer. Background Art

[0002] In the existing technology, production personnel need to produce one-piece molded spacers of different heights according to different dry-type transformers by injection molding to meet the creepage distance required by the corresponding dry-type transformers. However, when producing new dry-type transformers, the work of reproducing the spacers will extend the production cycle of the new dry-type transformers. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a cushion block that can shorten the production cycle of a new dry-type transformer.

[0004] The utility model also provides a dry-type transformer with the cushion block.

[0005] A cushion block member according to an embodiment of the first aspect of the utility model comprises a base cushion block and a coil cushion block, wherein the coil cushion block is detachably connected to the base cushion block.

[0006] A gasket member according to an embodiment of the utility model has at least the following beneficial effects: through the above structure, the coil gasket and the base gasket are detachably connected, and when a new dry-type transformer needs to be produced, the production personnel can replace the coil gasket on the base gasket to obtain a gasket member of the corresponding height, wherein the above work takes less time than the work of re-injection molding to produce the gasket member, and therefore, the production cycle of the new dry-type transformer can be shortened.

[0007] According to some embodiments of the utility model, the base pad is provided with a first mounting hole, the coil pad is provided with a second mounting hole, and a connecting piece is passed through the first mounting hole and the second mounting hole to achieve a detachable connection between the coil pad and the base pad.

[0008] According to some embodiments of the present invention, the connecting member is in a rod-shaped structure, one end of the connecting member is threadedly connected to the first mounting hole, and the other end of the connecting member is threadedly connected to the second mounting hole.

[0009] According to some embodiments of the utility model, the first mounting hole and the second mounting hole are both countersunk holes, the first mounting hole and the second mounting hole are both provided with countersunk spaces, the connecting member is provided with a positioning block, and the positioning block is located in the countersunk space.

[0010] According to some embodiments of the utility model, the base pad and the coil pad are both provided with umbrella skirts.

[0011] According to some embodiments of the present invention, the number of the coil spacers is two, and the two coil spacers are spaced apart to form an installation gap.

[0012] According to some embodiments of the utility model, the base pad is provided with a first contact surface, the first contact surface is provided with a clamping groove, and the bottom of the clamping groove is used for abutment by a clamping pin on a hanger of a dry-type transformer.

[0013] According to some embodiments of the utility model, the base pad is provided with a second contact surface for abutting against a hanger of the dry-type transformer, and the second contact surface is provided with a limiting groove for inserting a limiting block on the hanger.

[0014] According to some embodiments of the utility model, the coil spacer is provided with a third contact surface, the third contact surface is provided with a gasket, and the coil spacer is in contact with the coil assembly of the dry-type transformer through the gasket.

[0015] According to the second aspect of the present invention, a dry-type transformer includes a spacer as described above.

[0016] The dry-type transformer according to the embodiment of the utility model has at least the following beneficial effects: through the above structure, the production cycle of a new dry-type transformer can be shortened.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural diagram of an embodiment of a cushion block of the utility model;

[0020] Figure 2 for Figure 1 A partial exploded view of the spacer member shown in ;

[0021] Figure 3 It is a partial exploded view of another embodiment of the cushion block of the utility model;

[0022] Figure 4 It is a structural diagram of an embodiment of a dry-type transformer equipped with a spacer;

[0023] Figure 5 for Figure 4 A partial exploded view of a dry-type transformer with some components removed.

[0024] Reference numerals:

[0025] Basic pad 100, first mounting hole 110, first contact surface 120, pressing groove 121, second contact surface 130, limiting groove 131;

[0026] Coil pad 200, second mounting hole 210, third contact surface 220;

[0027] Connecting piece 300, positioning block 310;

[0028] Countersunk head space 400;

[0029] Umbrella skirt 500;

[0030] Installation clearance 600;

[0031] Gasket 700;

[0032] Dry-type transformer 800 , hanger 810 , press pin 811 , limit block 812 , coil assembly 820 . DETAILED DESCRIPTION

[0033] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0034] In the description of the utility model, if there is a description of first, second, third, fourth, fifth, etc., it is only for the purpose of distinguishing the technical features and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0037] Reference Figures 1 to 5 The utility model embodiment provides a cushion block, which includes a base cushion block 100 and a coil cushion block 200. The coil cushion block 200 is detachably connected to the base cushion block 100.

[0038] Through the above structure, the coil gasket 200 is detachably connected to the base gasket 100. When a new dry-type transformer needs to be produced, the production personnel can replace the coil gasket 200 on the base gasket 100 to obtain a gasket member of the corresponding height. The above work takes less time than the work of re-injection molding the gasket member, and therefore can shorten the production cycle of the new dry-type transformer.

[0039] The coil pad 200 is detachably connected to the base pad 100. For details, refer to Figure 2 and Figure 3 The base pad 100 is provided with a first mounting hole 110 , and the coil pad 200 is provided with a second mounting hole 210 . A connecting piece 300 is passed through the first mounting hole 110 and the second mounting hole 210 to realize a detachable connection between the coil pad 200 and the base pad 100 .

[0040] Through the above structure, the basic pad 100 is indirectly detachably connected to the coil pad 200 through the connecting piece 300. When the pad part is damaged, the production personnel can correspondingly replace the basic pad 100 or the connecting piece 300 or the coil pad 200 where the damaged part is located, so that the pad part can be quickly put into use again.

[0041] In some embodiments, the coil pad 200 is detachably connected to the base pad 100. Specifically, the base pad 100 is integrally formed with a connecting rod, and the coil pad 200 is provided with a connecting hole, and the connecting rod is inserted into the connecting hole to achieve detachable connection between the coil pad 200 and the base pad 100. The connecting rod is threadedly connected to the connecting hole.

[0042] In some embodiments, the coil pad 200 is detachably connected to the base pad 100. Specifically, the coil pad 200 is integrally formed with a connecting rod, and the base pad 100 is provided with a connecting hole. The connecting rod is inserted into the connecting hole to achieve detachable connection between the coil pad 200 and the base pad 100. The connecting rod is threadedly connected to the connecting hole.

[0043] In order to improve the connection stability between the coil spacer 200 and the base spacer 100, refer to Figure 2 and Figure 3 The connecting member 300 is a rod-shaped structure, one end of the connecting member 300 is threadedly connected to the first mounting hole 110 , and the other end is threadedly connected to the second mounting hole 210 .

[0044] It should be noted that the connecting member 300 is a screw member, and the threads on the connecting member 300 are not drawn in the drawings of the specification.

[0045] In this embodiment, refer to Figure 2 and Figure 3 The first mounting hole 110 and the second mounting hole 210 are both countersunk holes, and both the first mounting hole 110 and the second mounting hole 210 are provided with a countersunk space 400. A positioning block 310 is provided in the middle of the connecting member 300, and the positioning block 310 is located in the countersunk space 400.

[0046] It should be noted that the positioning block 310 is located in the countersunk space 400. Specifically, when one end of the connecting member 300 is threadedly connected to the first mounting hole 110 and the other end is threadedly connected to the second mounting hole 210, a portion of the positioning block 310 is located in the countersunk space 400 in the first mounting hole 110, and the other portion is located in the countersunk space 400 in the second mounting hole 210.

[0047] When one end of the connector 300 is threadedly connected to the first mounting hole 110 and a portion of the positioning block 310 is located in the countersunk space 400 of the first mounting hole 110 , the positioning block 310 can abut against the base block 100 to limit the movement of the connector 300 relative to the base block 100 .

[0048] When the other end of the connector 300 is threadedly connected to the second mounting hole 210 and the other part of the positioning block 310 is located in the countersunk space 400 of the second mounting hole 210 , the positioning block 310 can abut against the coil pad 200 to limit the movement of the connector 300 relative to the coil pad 200 .

[0049] Through the above structure, the setting of the positioning block 310 can prevent the connecting member 300 from being screwed into the first mounting hole 110 too much, and can also prevent the connecting member 300 from being screwed into the second mounting hole 210 too much. In other words, the setting of the positioning block 310 can reasonably distribute the connection amount of the base pad 100 and the coil pad 200 on the connecting member 300.

[0050] In order to increase the creepage distance provided by the spacer when it is installed in the dry-type transformer 800, refer to Figures 1 to 5 , both the base pad 100 and the coil pad 200 are provided with an umbrella skirt 500 .

[0051] In this embodiment, the basic pad 100 and the shed 500 thereon are an integrally formed structure.

[0052] In this embodiment, the coil spacer 200 and the shed 500 thereon are an integrally formed structure.

[0053] In this embodiment, refer to Figure 1 , Figure 4 as well as Figure 5 The number of coil spacers 200 is two, and the two coil spacers 200 are spaced apart to form an installation gap 600 .

[0054] It is understandable that when the spacer is installed on the dry-type transformer 800 , the coil assembly 820 on the dry-type transformer 800 is inserted into the installation gap 600 , and the sheds 500 on the two coil spacers 200 abut against the inner and outer sides of the coil assembly 820 , respectively.

[0055] In actual dry-type transformer equipment, refer to Figure 4 and Figure 5 The types of gaskets on the dry-type transformer 800 are divided into upper gaskets and lower gaskets. The base gasket 100 of the upper gasket abuts against the hanger 810 located above the dry-type transformer 800, the top of the coil assembly 820 on the dry-type transformer 800 is inserted into the installation gap 600 of the upper gasket, and the coil gasket 200 of the upper gasket abuts against the top of the coil assembly 820; the base gasket 100 of the lower gasket abuts against the hanger 810 located below the dry-type transformer 800, the bottom of the coil assembly 820 on the dry-type transformer 800 is inserted into the installation gap 600 of the lower gasket, and the coil gasket 200 of the lower gasket abuts against the bottom of the coil assembly 820.

[0056] The base block 100 of the upper block member abuts against the hanger 810 located above the dry-type transformer 800. For details, refer to Figure 5 The base pad 100 of the upper pad member is provided with a first contact surface 120, and the first contact surface 120 is provided with a clamping groove 121, and the bottom of the clamping groove 121 abuts against the pressing pin 811 on the upper hanging member 810.

[0057] In order to reduce the probability of slippage of the lower pad when supporting the coil assembly 820, refer to Figure 1 , Figure 2 as well as Figure 5The base pad 100 of the lower pad is provided with a second contact surface 130, which abuts against the hanger 810 located below the dry-type transformer 800, and the second contact surface 130 is provided with a limit groove 131, and the limit block 812 on the hanger 810 located below is inserted into the limit groove 131. There are two limit blocks 812, and the two limit blocks 812 work together to limit the slippage of the lower pad.

[0058] The coil pad 200 of the upper pad member abuts against the top of the coil assembly 820, and the coil pad 200 of the lower pad member abuts against the bottom of the coil assembly 820. For details, refer to Figure 2 , Figure 3 , Figure 4 as well as Figure 5 The coil pad 200 of the upper pad and the coil pad 200 of the lower pad are both provided with a third contact surface 220, and the third contact surface 220 is provided with a gasket 700. The coil pad 200 of the upper pad abuts against the top of the coil assembly 820 through the gasket 700 thereon, and the coil pad 200 of the lower pad abuts against the bottom of the coil assembly 820 through the gasket 700 thereon. The third contact surface 220 is connected to the gasket 700 via an adhesive layer.

[0059] The utility model also provides a dry-type transformer, which includes the above-mentioned pad. Through the above-mentioned structure, the production cycle of a new dry-type transformer can be shortened.

[0060] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A cushion block, characterized in that: It comprises a basic cushion block (100) and a coil cushion block (200), wherein the coil cushion block (200) is detachably connected to the basic cushion block (100); The basic pad (100) is provided with a first mounting hole (110), and the coil pad (200) is provided with a second mounting hole (210). A connecting piece (300) is passed through the first mounting hole (110) and the second mounting hole (210) to achieve a detachable connection between the coil pad (200) and the basic pad (100).

2. A cushion block according to claim 1, characterized in that: The connecting member (300) is in a rod-shaped structure, one end of the connecting member (300) is threadedly connected to the first mounting hole (110), and the other end of the connecting member (300) is threadedly connected to the second mounting hole (210).

3. A cushion block according to claim 2, characterized in that: The first mounting hole (110) and the second mounting hole (210) are both countersunk holes, the first mounting hole (110) and the second mounting hole (210) are both provided with a countersunk space (400), the connecting member (300) is provided with a positioning block (310), and the positioning block (310) is located in the countersunk space (400).

4. A cushion block according to claim 1, characterized in that: The basic cushion block (100) and the coil cushion block (200) are both provided with shed skirts (500).

5. A cushion block according to claim 1, characterized in that: The coil pads (200) are provided in two pieces, and the two coil pads (200) are arranged at an interval to form an installation gap (600).

6. A cushion block according to claim 1, characterized in that: The basic pad (100) is provided with a first contact surface (120), the first contact surface (120) is provided with a clamping groove (121), and the bottom of the clamping groove (121) is used for abutting against a clamping pin (811) on a hanger (810) of a dry-type transformer (800).

7. A cushion block according to claim 1, characterized in that: The base pad (100) is provided with a second contact surface (130) for abutting against a hanger (810) of a dry-type transformer (800), and the second contact surface (130) is provided with a limit groove (131), and the limit groove (131) is used for inserting a limit block (812) on the hanger (810).

8. The cushion block according to claim 1, characterized in that: The coil pad (200) is provided with a third contact surface (220), the third contact surface (220) is provided with a gasket (700), and the coil pad (200) is in contact with a coil assembly (820) of a dry-type transformer (800) via the gasket (700).

9. Dry-type transformer, characterized in that: It comprises a cushion block as claimed in any one of claims 1 to 8.