Firm transformer

By employing a matching structure of a first cam and a second slot in the high-frequency transformer, the problem of easy displacement of the frame and base after assembly is solved, achieving a stable connection effect.

CN223784990UActive Publication Date: 2026-01-09DONGGUAN HUICHUANG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202423319172.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-09
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The frame and base of existing high-frequency transformers are prone to displacement after assembly, leading to unstable connections.

Method used

The structure employs a combination of first protrusions and second slots. Through the cooperation of four second protrusions and corresponding first slots, it ensures that the frame and base do not shift in multiple directions, thus achieving a stable connection.

Benefits of technology

This improves the stability and reliability of the connection between the frame and the base, preventing displacement after assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a firm transformer which comprises a base and a framework. The framework comprises a top, a winding part and a bottom which are sequentially arranged from top to bottom; a first clamping protrusion is arranged on the lower end face of the secondary pin part in a protruding mode, and first clamping grooves are formed in the left end and the right end of the top rear side positioning block and the left end and the right end of the bottom rear side positioning block in an inwards-concave mode. The base is provided with an installation cavity with a front end opening and an upper end opening, the base comprises a bottom plate, a left side plate, a right side plate and a rear side plate, the left side plate, the right side plate and the rear side plate are connected with the bottom plate, the rear side plate is connected with the left side plate and the right side plate, and four second clamping protrusions used for being matched with the first clamping grooves are arranged on the front end face of the rear side plate in a protruding mode. The front end face of the bottom plate protrudes forwards to form an extending part, and a second clamping groove used for being matched with the first clamping protrusion is formed in the extending part in the vertical direction of the extending part. The framework and the base do not displace in multiple directions after being assembled, and the stability and reliability of connection between the framework and the base are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to firm type transformer technical field especially is firm type transformer. BACKGROUND

[0002] High frequency transformer is power transformer that work frequency exceeds intermediate frequency, is mainly used in high frequency switching power supply and makes high frequency switching power supply transformer, also can be used in high frequency inverter power supply and high frequency inverter welding machine and makes high frequency inverter power supply transformer.

[0003] High frequency transformer includes framework, magnetic core, primary winding and secondary winding, and the magnetic core is arranged in the framework, and the primary winding and the secondary winding are all wound on the magnetic core, which is the circuit part of the transformer, and is usually wound by insulating copper wire or aluminum wire, and the framework includes winding shaft, connection terminal of the primary winding and connection terminal of the secondary winding, and the connection terminal can be used as the starting terminal and the winding terminal.

[0004] The framework and the base of the existing high frequency transformer are generally only positioned in one direction, and displacement is easy to occur after assembly.

[0005] Therefore, in the utility model patent application, the applicant carefully studies a firm type transformer to solve the above problems. CONTENT OF UTILITY MODEL

[0006] The utility model discloses the existing technical problems, and the main purpose is to provide a firm type transformer, which realizes that the framework and the base do not displace in multiple directions after assembly, and ensures the stability and reliability of the connection between the framework and the base.

[0007] To achieve the above purpose, the utility model takes the following technical scheme:

[0008] A firm type transformer includes a base and a framework installed on the base.

[0009] The framework includes a top, a winding part and a bottom arranged in sequence from top to bottom.

[0010] The front and rear sides of the top are respectively provided with a primary pin part and a top rear side positioning block.

[0011] The front and rear sides of the bottom are respectively provided with a secondary pin part and a bottom rear side positioning block, and the lower end surface of the secondary pin part is provided with a first clamping convex, and the left and right ends of the top rear side positioning block and the bottom rear side positioning block are respectively provided with a first clamping groove.

[0012] The base has a mounting cavity with a front opening and a top opening. The base includes a base plate and a left side plate, a right side plate, and a rear side plate that are respectively connected to the base plate. The rear side plate is respectively connected to the left side plate and the right side plate. The front end face of the rear side plate is provided with four second protrusions for fitting the first slot. The front end face of the base plate is provided with an extension portion that protrudes forward. The extension portion is provided with second slots for fitting the first protrusions along its vertical direction.

[0013] The frame is installed in the mounting cavity and connected to the base. Each first slot is adapted to a corresponding second protrusion, and the first protrusion is adapted to the second slot.

[0014] As a preferred embodiment, the front end face of the base plate is recessed with a first groove for avoiding the lower end face of the secondary pin portion, and the extension portion protrudes forward from the inner front wall of the first groove.

[0015] As a preferred embodiment, the lower end face of the secondary pin portion is recessed upward to form a second groove for adapting to the extension portion, and the first latching protrusion protrudes downward from the inner top wall of the second groove. The frame and the base are connected, the extension portion is adapted to the second groove, and the first latching protrusion is adapted to the second slot.

[0016] As a preferred embodiment, the top rear positioning block protrudes from the rear side of the upper end face of the top.

[0017] As a preferred embodiment, the bottom rear positioning block protrudes from the rear side of the lower end face of the bottom.

[0018] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, it mainly achieves the stability and reliability of the connection between the frame and the base by cooperating with the first card protrusion and the second card slot, and cooperating with the four second card protrusions and the corresponding first card slots.

[0019] To more clearly illustrate the structural features and effects of the present invention, a detailed description is provided below in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0020] Fig. 1 This is a partial structural schematic diagram of an embodiment of the present utility model;

[0021] Fig. 2 This is a schematic diagram of the skeleton structure of an embodiment of this utility model.

[0022] Fig. 3 This is a schematic diagram of the skeleton structure from another angle according to an embodiment of this utility model.

[0023] Fig. 4 This is a schematic diagram of the base structure according to an embodiment of the present utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 10, skeleton 101, first clamping slot

[0026] 11, top

[0027] 111, primary needle foot 112, top rear side positioning block

[0028] 12, winding part

[0029] 13, bottom

[0030] 131, secondary needle foot 132, bottom rear side positioning block

[0031] 133, second recess 134, first clamping convex

[0032] 20, base

[0033] 21, bottom plate

[0034] 211, extension 212, first recess 213, second clamping slot

[0035] 22, left side plate

[0036] 23, right side plate 24, rear side plate

[0037] 241, second clamping convex. DETAILED DESCRIPTION

[0038] The utility model will be further described below in combination with the drawings and specific embodiments.

[0039] As Figs. 1 to 4 shown, a firm type transformer, comprising a base 20 and a skeleton 10 installed on the base 20.

[0040] The skeleton 10 comprises top 11, winding part 12 and bottom 13 arranged in sequence from top to bottom;

[0041] The front and rear sides of the top 11 are respectively provided with primary needle foot 111 and top rear side positioning block 112.

[0042] The front and rear sides of the bottom 13 are respectively provided with secondary needle foot 131 and bottom rear side positioning block 132, and the lower end surface of the secondary needle foot 131 is provided with first clamping convex 134. In this embodiment, the lower end surface of the secondary needle foot 131 is concave upwards and provided with second recess 133 for adapting extension 211, and the first clamping convex 134 is concave downwards from the inner top wall of the second recess 133,

[0043] The left and right ends of the top rear positioning block 112 and the bottom rear positioning block 132 are concavely provided with first clamping grooves 101.

[0044] The base 20 has a mounting cavity with a front end opening and an upper end opening, and comprises a bottom plate 21 and left and right side plates 22 and 23 and a rear side plate 24 connected to the bottom plate 21 respectively, the rear side plate 24 is connected to the left and right side plates 22 and 23 respectively, the front end face of the rear side plate 24 is convexly provided with four second clamping protrusions 241 for adapting the first clamping grooves 101, the front end face of the bottom plate 21 is convexly provided with an extension 211, in the embodiment, the front end face of the bottom plate 21 is concavely provided with a first recess 212 for avoiding the lower end face of the secondary needle stitch portion 131, and the extension 211 is convexly provided from the inner front wall of the first recess 212;

[0045] The framework 10 is mounted in the mounting cavity and connected to the base 20, each first clamping groove 101 is adapted to the corresponding second clamping protrusion 241, and the first clamping protrusion 134 is adapted to the second clamping groove 213.

[0046] In the embodiment, the framework 10 is connected to the base 20, the extension 211 is adapted to the second recess 133, and the first clamping protrusion 134 is adapted to the second clamping groove 213.

[0047] The design points of the utility model lie in that the cooperation of the first clamping protrusion and the second clamping groove, the cooperation of the four second clamping protrusions and the corresponding first clamping grooves are mainly achieved, so that the framework and the base cannot be displaced in multiple directions after being assembled, and the stability and reliability of the connection between the framework and the base are ensured.

[0048] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model in any way, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A ruggedized transformer, characterized by: The base and the framework installed on the base are included. The framework includes a top part, a winding part and a bottom part arranged in sequence from top to bottom. The front and rear sides of the top part are respectively provided with a primary needle part and a top rear positioning block. The front and rear sides of the bottom part are respectively provided with a secondary needle part and a bottom rear positioning block, and the lower end surface of the secondary needle part is provided with a first clamping convex. The base has a mounting cavity with a front end opening and an upper end opening, and includes a bottom plate and left and right side plates and a rear side plate connected to the bottom plate. The rear side plate is connected to the left and right side plates, and the front end surface of the rear side plate is provided with four second clamping convexes for adapting the first clamping slots.

2. The ruggedized transformer of claim 1, wherein: The framework is installed in the mounting cavity and connected to the base, each first clamping slot is adapted to the corresponding second clamping convex, and the first clamping convex is adapted to the second clamping slot.

3. The ruggedized transformer of claim 2, wherein: The front end surface of the bottom plate is recessed with a first recess for avoiding the lower end surface of the secondary needle part.

4. The ruggedized transformer of claim 1, wherein: The extension part is protruded forward from the inner front wall of the first recess.

5. The ruggedized transformer of claim 1, wherein: The lower end surface of the secondary needle part is recessed upward with a second recess for adapting the extension part, the first clamping convex is protruded downward from the inner top wall of the second recess, the framework is connected to the base, the extension part is adapted to the second recess, and the first clamping convex is adapted to the second clamping slot. The top rear positioning block is protruded from the upper end surface of the top part. The bottom rear positioning block is protruded from the lower end surface of the bottom part.