MOS (Metal Oxide Semiconductor) tube device with voltage-withstanding structure

Abstract

The utility model provides an MOS tube device with a voltage withstanding structure, which comprises a pin fixing structure, the pin fixing structure comprises a fitting ring, a slot is arranged in the middle of the fitting ring, a sliding rod is slidably connected in the slot, one end of the sliding rod is provided with a clamping strip, and the clamping strip is connected with a clamping groove in a clamping manner. According to the utility model, through the arranged pin fixing structure, the MOS body can be rapidly installed on the surface of the circuit board, the top of the attaching ring is attached to the bottom of the circuit board, the clamping strip and the clamping groove are attached to each other, and the clamping strip is limited, so that the MOS body is firmly fixed, and then the connecting pin is bent along the position of the clamping groove; and the MOS body can be quickly replaced only by separating the clamping strip from the clamping groove subsequently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to MOS tube device technical field, concretely relates to a MOS tube device with voltage -withstand structure. BACKGROUND

[0002] MOS tube, also called MOSFET, is a kind of commonly used semiconductor device, belongs to insulated gate type in field effect tube.The main working principle of MOS tube is to utilize control gate voltage to control the current to flow through the channel between two source electrodes and drain electrodes, so it is also called field effect transistor.

[0003] But when installing MOS tube device, generally adopt welding to fix, but the MOS tube device fixed by the method needs to be heated and melted by soldering gun after soldering to be taken off from the surface of circuit board etc., so that the MOS tube device after installation is inconvenient to replace. UTILITY MODEL CONTENTS

[0004] PURPOSE OF THE UTILITY MODEL

[0005] In view of the above technical problem, the utility model provides a MOS tube device with voltage -withstand structure to solve the technical problem mentioned in the background art.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above purpose, the utility model provides a MOS tube device with voltage -withstand structure, including MOS body, the inside of MOS body is provided with heat dissipation hole, the outer wall of the both sides of MOS body is provided with MOS pin structure, the outer wall of MOS pin structure is provided with pin fixed structure;

[0008] MOS pin structure, it includes conductive pin, the outer wall of conductive pin is provided with the MOS body, the bottom of conductive pin is provided with connecting pin, the outer wall of connecting pin is provided with clamping groove;

[0009] Pin fixed structure, it includes the lamination ring, the middle of lamination ring is provided with insertion slot, the inside of insertion slot is slidably connected with slide bar, one end of slide bar is provided with clamping strip, and clamping strip is clamped and connected with clamping groove.

[0010] Preferably, the outer wall of the conductive pin is provided with a connecting ring, the outer wall of the conductive pin is slidably connected with an insulating ring, and the outer wall of the connecting ring and the insulating ring is provided with a lamination column.

[0011] Preferably, a plurality of reset springs are arranged between the connecting ring and the insulating ring.

[0012] Preferably, the longitudinal section of the clamping groove is arranged as an isosceles triangle, and a plurality of the clamping grooves are arranged at equal intervals on the outer wall of the connecting pin.

[0013] Preferably, the outer wall of the fitting ring is provided with a mounting ring, and the inner side of the mounting ring is provided with a clamping ring, and the fitting ring is rotationally connected with the mounting ring through the clamping ring.

[0014] Preferably, the two sides of the inner part of the mounting ring are provided with guide strips, the guide strips are slidingly connected with the sliding rods, and the middle of the guide strip is provided with a positioning groove.

[0015] Beneficial effects

[0016] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0017] The needle fixing structure is arranged, the MOS body can be quickly installed on the surface of the circuit board, the top of the fitting ring is fitted with the bottom of the circuit board, the clamping strip and the clamping groove are mutually fitted and limit the clamping strip, thereby firmly fixing the MOS body, then the connecting pin is bent along the position of the clamping groove, the connecting pin is broken, and subsequently, the clamping strip and the clamping groove are separated, so that the MOS body can be quickly replaced. Brief description of drawings

[0018] Figure 1 It is a perspective view of the utility model;

[0019] Figure 2 It is a MOS body perspective view of the utility model;

[0020] Figure 3 It is a needle fixing structure perspective view of the utility model;

[0021] Figure 4 It is a Figure 2 It is a local enlarged view of A in the middle.

[0022] Reference signs

[0023] 1, MOS body; 2, heat dissipation hole; 3, MOS pin structure; 301, conductive pin; 302, connecting ring; 303, insulating ring; 304, fitting column; 305, reset spring; 306, connecting pin; 307, clamping groove; 4, needle fixing structure; 401, fitting ring; 402, insertion slot; 403, sliding rod; 404, clamping strip; 405, mounting ring; 406, clamping ring; 407, guide strip; 408, positioning groove. Specific implementation

[0024] In the description of the utility model, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "sides" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Reference will now be made to the drawings, wherein the purpose of each drawing shown is only to show certain exemplary embodiments, and is not intended to limit the utility model. In each drawing, the same reference signs represent the same or corresponding parts. The size and proportion in each drawing are only for illustration, and should not be interpreted as limiting the utility model, and these sizes may be enlarged relative to the actual product.

[0028] Referring to Figures 1-4 , a MOS tube device with pressure-resistant structure is shown, which comprises a MOS body 1, a heat dissipation hole 2 is formed in the inside of the MOS body 1, a MOS pin structure 3 is arranged on the outer wall of the two sides of the MOS body 1, a pin fixing structure 4 is arranged on the outer wall of the MOS pin structure 3.

[0029] The MOS pin structure 3 comprises a conductive pin 301 arranged on the outer wall of the MOS body 1, and the bottom of the conductive pin 301 is provided with a connecting pin 306, and the outer wall of the connecting pin 306 is provided with a clamping groove 307.

[0030] The pin fixing structure 4 comprises a fitting ring 401, the middle of the fitting ring 401 is provided with a insertion slot 402, the inside of the insertion slot 402 is slidably connected with a sliding rod 403, one end of the sliding rod 403 is provided with a clamping strip 404, and the clamping strip 404 is clamped and connected with the clamping groove 307.

[0031] Further, in the above technical solution, the outer wall of the conductive pin 301 is provided with a connecting ring 302, the outer wall of the conductive pin 301 is slidably connected with an insulating ring 303, the outer wall of the connecting ring 302 and the insulating ring 303 is provided with a fitting column 304, the connecting ring 302 and the insulating ring 303 are provided with a reset spring 305, the number of the reset spring 305 is multiple, the reset spring 305 is arranged in an annular array between the connecting ring 302 and the insulating ring 303, the longitudinal section of the clamping groove 307 is arranged in an isosceles triangle, the number of the clamping groove 307 is multiple, the clamping groove 307 is arranged at equal intervals on the outer wall of the connecting pin 306, when the MOS body 1 needs to be fixed, the connecting pin 306 on the outer wall of the MOS body 1 is connected with the circuit board, and the bottom of the insulating ring 303 is fitted with the top of the circuit board, after the MOS body 1 is pressed, the MOS body 1 drives the conductive pin 301 to move downward and extrude the reset spring 305, so as to avoid that the MOS body 1 is directly subjected to external force.

[0032] Further, in the above technical solution, the outer wall of the fitting ring 401 is provided with a mounting ring 405, the inner side of the mounting ring 405 is provided with a clamping ring 406, the fitting ring 401 and the mounting ring 405 are rotatably connected through the clamping ring 406, the two sides inside the mounting ring 405 are provided with a guide strip 407, the guide strip 407 is slidably connected with the sliding rod 403, the middle of the guide strip 407 is provided with a positioning slot 408, then the inner wall of the fitting ring 401 is fitted with the outer wall of the connecting pin 306, the top of the fitting ring 401 is fitted with the bottom of the circuit board, then the mounting ring 405 is rotated, the guide strip 407 inside the mounting ring 405 pushes the sliding rod 403 to slide in the insertion slot 402, the sliding rod 403 drives the clamping strip 404 to be fixed with the inner wall of the clamping groove 307, so as to realize the fixation of the MOS body 1, then the excess connecting pin 306 is broken, so as to avoid that the connecting pin 306 is too long, when the sliding rod 403 is separated from the guide strip 407, the clamping strip 404 is separated from the clamping groove 307, the pin fixing structure 4 can be taken off from the outer wall of the MOS pin structure 3 to replace the MOS body 1.

[0033] The above-described embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A MOSFET device with a voltage-resistant structure, characterized in that, Comprising The MOS body (1) is internally provided with a heat dissipation hole (2), and the outer wall of the MOS body (1) on both sides is provided with a MOS pin structure (3), and the outer wall of the MOS pin structure (3) is provided with a pin fixing structure (4); The MOS pin structure (3) comprises a conductive pin (301), which is arranged on the outer wall of the MOS body (1), and the bottom of the conductive pin (301) is provided with a connecting pin (306), and the outer wall of the connecting pin (306) is provided with a clamping groove (307); The pin fixing structure (4) comprises a fitting ring (401), the middle of the fitting ring (401) is provided with a slot (402), the inner side of the slot (402) is slidably connected with a slide rod (403), one end of the slide rod (403) is provided with a clamping strip (404), and the clamping strip (404) is connected with the clamping groove (307).

2. The MOS transistor device with a voltage withstanding structure according to claim 1, wherein: The outer wall of the conductive pin (301) is provided with a connecting ring (302), the outer wall of the conductive pin (301) is slidably connected with an insulating ring (303), and the outer wall of the connecting ring (302) and the insulating ring (303) is provided with a fitting column (304).

3. The MOS transistor device with a voltage withstanding structure according to claim 2, wherein: The connecting ring (302) and the insulating ring (303) are provided with a reset spring (305), the number of the reset spring (305) is multiple, and the reset spring (305) is arranged in an annular array between the connecting ring (302) and the insulating ring (303).

4. The MOS transistor device with a voltage withstanding structure according to claim 1, wherein: The longitudinal section of the clamping groove (307) is arranged as an isosceles triangle, and the number of the clamping groove (307) is multiple, and the clamping groove (307) is arranged at equal intervals on the outer wall of the connecting pin (306).

5. The MOS device with a voltage withstanding structure according to claim 1, wherein: The outer wall of the fitting ring (401) is provided with a mounting ring (405), the inner side of the mounting ring (405) is provided with a clamping ring (406), and the fitting ring (401) and the mounting ring (405) are rotatably connected through the clamping ring (406).

6. The MOS transistor device with a voltage withstanding structure according to claim 5, wherein: The inner side of the mounting ring (405) is provided with a guide strip (407), the guide strip (407) is slidably connected with the slide rod (403), and the middle of the guide strip (407) is provided with a positioning groove (408).

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