Winding transformer

Abstract

The utility model discloses a winding transformer, which belongs to the technical field of transformers and comprises a framework, an iron core and a base, the base is provided with a plurality of contact pins, the base is provided with a plurality of mounting ports penetrating through the base, the contact pins are fixedly mounted in the mounting ports respectively, pins are slidably connected in the mounting ports, and the iron core is fixedly connected with the framework. And the contact pin is in contact with the pin and limits the sliding distance of the pin. According to the winding transformer, the pins can be actively replaced, impact on the framework, the iron core and the base can be reduced when the transformer falls off, and the probability that the pins deform, are damaged and fall off is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, and more specifically, to a winding transformer. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage and is often used on circuit boards.

[0003] The connection between the transformer and the circuit board is generally achieved through welding. By welding, the pins of the transformer are fixed to the contacts on the circuit board. After the circuit board is installed in the mobile device, when the mobile device falls or hits, the pins of the transformer are often broken, and the entire transformer needs to be replaced.

[0004] However, the transformer itself is not damaged, and replacing the transformer increases the maintenance cost.

[0005] This application provides another technical solution to this technical problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a winding transformer.

[0007] The above technical objectives of the utility model are achieved through the following technical solutions:

[0008] A winding transformer comprises a frame, an iron core and a base, wherein the base is provided with a plurality of contact pins, the base is provided with a plurality of mounting openings penetrating the base, the plurality of contact pins are respectively fixedly mounted in the plurality of mounting openings, the mounting openings are slidably connected to pins, the contact pins are in contact with the pins and limit the sliding distance of the pins.

[0009] The utility model is further configured as follows: the pin includes a protrusion and an extension portion that are connected to each other, the cross-sectional size of the protrusion is larger than the cross-sectional size of the extension portion, the contact foot is made of an elastic conductive metal material, two contact feet are arranged in each mounting port, and a space for clamping the protrusion is formed between the two contact feet.

[0010] The utility model is further configured as follows: the contact foot comprises a clamping portion and two limiting portions, the two limiting portions are symmetrically arranged at both ends of the clamping portion, and the size of the space between the two limiting portions respectively located on the two contact feet and close to each other is consistent with the cross-sectional size of the extension portion.

[0011] The utility model is further configured as follows: the limiting portion is arranged tilted away from a portion of the clamping portion, and its tilting direction faces the side wall of the installation opening.

[0012] The utility model is further configured as follows: an end of the protruding portion away from the extending portion is formed with an arc surface.

[0013] The utility model is further configured as follows: the two clamping parts respectively located on the two contact feet and close to each other are connected by an arc-shaped piece.

[0014] In summary, the utility model has the following beneficial effects:

[0015] After the pins are damaged, they can be replaced individually to ensure that the transformer can continue to be used. At the same time, when the device falls, the protrusion can slide relative to the clamping part through the clamping of the clamping part on the protrusion and the elasticity of the arc-shaped piece, thereby reducing the impact on the skeleton, the core and the base, and reducing the probability of deformation, damage and falling off of the pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the installation port and pins of the utility model.

[0018] In the figure: 1, skeleton; 2, iron core; 3, base; 4, mounting opening; 5, protruding portion; 6, extending portion; 7, limiting portion; 8, clamping portion; 9, arc-shaped piece. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments.

[0020] like Figure 1 As shown, the present application provides a winding transformer, including a skeleton 1, an iron core 2 and a base 3, wherein the base 3 is provided with a plurality of mounting openings 4, each mounting opening 4 is provided with two contact pins, the two contact pins are connected to each other and to the iron core 2, the contact pins are made of elastic conductive metal material, and are arranged in a U-shaped structure between the two contact pins, and each mounting opening 4 is provided with a pin, which will be clamped under the elastic force of the two contact pins so that the pin and the contact pin remain connected.

[0021] like Figure 2As shown, the pin includes a protrusion 5 and an extension 6 that are connected to each other, the cross-sectional size of the protrusion 5 is larger than that of the extension 6, wherein the contact pin includes a clamping portion 8 and two limiting portions 7, the two limiting portions 7 are symmetrically arranged at both ends of the clamping portion 8, the space size between the two clamping portions 8 that are respectively located on the two contact pins and close to each other is consistent with the cross-sectional size of the protrusion 5, the space size between the two limiting portions 7 that are respectively located on the two contact pins and close to each other is consistent with the cross-sectional size of the extension 6, and the size difference between the protrusion 5 and the extension 6 is utilized so that when the pin and the contact pin are connected, the pin cannot slide out directly from the mounting port 4, thereby further increasing the connection between the pin and the contact pin.

[0022] like Figure 2 As shown, a portion of the limiting portion 7 away from the clamping portion 8 is inclined, and its inclination direction is toward the side wall of the mounting port 4. An arc surface is formed on one end of the protrusion 5 away from the extension portion 6. When the pin is inserted into the mounting port 4 to connect with the two contact pins, the arc surface of the protrusion 5 will slide along the inclination of the limiting portion 7, so that the two contact pins are deformed in directions away from each other until the size of the space between the two limiting portions 7 is consistent with the cross-sectional size of the protrusion 5, so that the limiting portion 7 will not affect the sliding of the pin. When the protrusion 5 corresponds to the clamping portion 8, the two contact pins are reset to achieve clamping of the protrusion 5, thereby achieving connection between the pin and the two contact pins.

[0023] When a pin is damaged, a tool can be inserted into the end of the installation port 4 away from the pin, and the tool can push the two contact pins to release the clamping of the two contact pins on the pin. In this way, the pin can be replaced individually to ensure that the transformer can continue to be used.

[0024] like Figure 2 As shown, two clamping parts 8 respectively located on two contact feet and close to each other are connected by an arc-shaped piece 9, and the arc-shaped piece 9 has a certain elasticity. When the device installed with the transformer falls, the protrusion 5 can slide relative to the clamping part 8 through the clamping of the clamping part 8 and the elasticity of the arc-shaped piece 9, thereby reducing the impact on the skeleton 1, the core 2 and the base 3, and reducing the probability of deformation, damage and falling off of the pins.

[0025] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A wound transformer, comprising a frame, an iron core and a base, wherein the base is provided with a plurality of contact pins, characterized in that: The base is provided with a plurality of installation openings penetrating the base, and the plurality of contact pins are fixedly installed in the plurality of installation openings respectively. The installation openings are slidably connected to the pins, and the contact pins are in contact with the pins and limit the sliding distance of the pins.

2. A wound transformer according to claim 1, characterized in that: The pin includes a protrusion and an extension that are connected to each other. The cross-sectional size of the protrusion is larger than that of the extension. The contact pin is made of an elastic conductive metal material. Two contact pins are arranged in each mounting opening, and a space for clamping the protrusion is formed between the two contact pins.

3. A wound transformer according to claim 2, characterized in that: The contact foot comprises a clamping portion and two limiting portions, the two limiting portions are symmetrically arranged at both ends of the clamping portion, and the size of the space between the two limiting portions respectively located on the two contact feet and close to each other is consistent with the cross-sectional size of the extension portion.

4. A wound transformer according to claim 3, characterized in that: The limiting portion is arranged to be inclined away from a portion of the clamping portion, and its inclination direction faces the side wall of the installation opening.

5. A wound transformer according to claim 2, characterized in that: An end of the protruding portion away from the extending portion is formed with a curved surface.

6. A wound transformer according to claim 4, characterized in that: The two clamping parts respectively located on the two contact feet and close to each other are connected by an arc-shaped piece.

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