MOS transistor

Abstract

The utility model relates to the technical field of transistors, in particular to an MOS transistor which comprises a circuit board body and a transistor body, the upper surface of the circuit board body is fixedly connected with a supporting gasket, the transistor body abuts against the upper surface of the supporting gasket, and the surface of the circuit board body is provided with a locking mechanism. The locking mechanism comprises a positioning clamping groove, a locking block, a positioning spring and a pressing piece, a cooling fin is arranged on the upper surface of the transistor body, and the front side surface and the rear side surface of the cooling fin are each fixedly connected with two sets of spring pieces; the transistor body is placed on the surface of the supporting gasket, firstly, the pins and the contacts are pressed tightly through the pressing pieces, then the cooling fins are tightly attached to the upper surface of the transistor body, the clamping blocks are clamped into the positioning clamping grooves, the transistor body is rapidly installed and fixed, the installation speed of the transistor body is effectively increased, and the installation efficiency of the transistor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transistors, in particular to a MOS transistor. Background Art

[0002] MOS transistor, metal-oxide-semiconductor structure transistor is referred to as MOS transistor, and the integrated circuit composed of MOS tube is called MOS integrated circuit.

[0003] Among them, announcement number CN211265450U discloses an easy-to-install MOS transistor, including a fixed plate and a MOS transistor body, wherein the inside of the fixed plate is fixedly connected with a metal pin, the side of the fixed plate is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a stud, the surface of the stud is movably sleeved with an extension plate, the side of the extension plate is fixedly connected to the MOS transistor body, the surface of the stud is threadedly connected with a nut, and the nut is located on the top of the extension plate. The easy-to-install MOS transistor is convenient for installing the metal pin on the MOS transistor body and also convenient for removing the metal pin from the MOS transistor body by matching with an active snap ring, a moving rod, a spring, a pull plate, a fixed block, a stud, an extension plate and a nut. No tools such as electric iron are needed for disassembly and assembly, which facilitates disassembly and assembly while avoiding burns or damage to the MOS transistor body, thereby extending the service life of a MOS transistor body.

[0004] The device locks and fixes the transistor plate tube to the fixing plate by using the combination of studs and nuts. Due to the small size of the transistor, it is inconvenient to use nuts and bolts, resulting in low installation efficiency of the transistor.

[0005] Therefore, it is necessary to invent a MOS transistor to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a MOS transistor to solve the problem in the technology that the transistor is small in size and inconvenient to operate using nuts and bolts, resulting in low installation efficiency of the transistor.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a MOS transistor, comprising a circuit board body and a transistor body, the upper surface of the circuit board body is fixedly connected to a support gasket, the transistor body abuts against the upper surface of the support gasket, the surface of the circuit board body is provided with a locking mechanism, the locking mechanism includes a positioning slot, a locking block, a positioning spring and a pressing plate, the upper surface of the transistor body is provided with a heat sink, the front and rear side surfaces of the heat sink are fixedly connected to two groups of spring sheets, and the locking block is arranged on the right side of the support gasket.

[0008] By adopting the above technical solution, the transistor body is placed on the upper surface of the supporting gasket, and the four groups of spring sheets are respectively inserted into the corresponding positioning slots. At this time, the card block is clamped on the inner side of the positioning slot, and the transistor is quickly installed and fixed.

[0009] Optionally, a clamping block is fixedly connected to the lower end of the spring sheet, and the clamping block is clamped inside the positioning clamping slot.

[0010] Optionally, two groups of pins are fixedly connected to the right side of the transistor body, and contacts are fixedly connected to the upper surface of the circuit board body at both ends of the locking block, and the pins are tightly against the contacts.

[0011] By adopting the above technical solution, after the transistor is fixed, the pin will abut against the surface of the contact. At this time, the pin is pressed by the pressing sheet so that the pin is tightly connected to the contact.

[0012] Optionally, positioning grooves are provided at both the front and rear ends of the locking block, and the pressing piece is slidably connected to the two groups of positioning grooves respectively.

[0013] By adopting the above technical solution, the pressing sheet slides inside the positioning groove.

[0014] Optionally, the positioning springs are respectively arranged inside the two groups of positioning grooves, and the two ends of the positioning springs are respectively fixedly connected to the side walls of the positioning grooves and the pressing sheet.

[0015] By adopting the above technical solution, the positioning spring is used to push the pressing sheet out of the positioning groove.

[0016] Optionally, an insulating gasket is fixedly connected to one end of the lower surface of the pressing sheet located outside the positioning groove.

[0017] By adopting the above technical solution, the insulating gasket prevents the pressing sheet from interfering with the signal transmission of the pins and contacts.

[0018] Optionally, two groups of limiting grooves are formed on the upper surface of the locking block, and the lower ends of the limiting grooves are connected to the positioning grooves.

[0019] Optionally, the limiting groove is internally slidably connected to a limiting block, and the lower end of the limiting block is fixedly connected to an end of the pressing sheet located on the inner side of the positioning groove.

[0020] By adopting the above technical solution, the limiting block slides inside the limiting groove to recover the pressing piece into the interior of the positioning groove.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] 1. The utility model inserts a spring sheet into the interior of the positioning slot and clamps the clamping block in the interior of the positioning slot to quickly fix the transistor, thereby facilitating the installation of the transistor and improving the installation efficiency of the transistor, thereby solving the problem that the installation efficiency of the transistor is low due to the small size of the transistor and the inconvenience of using nuts and bolts;

[0023] 2. The utility model uses a positioning spring to push the pressing sheet out of the positioning groove, and the pressing sheet cooperates with the insulating gasket to press the upper surface of the pin, so that the pin and the contact fit tightly, thereby improving the stability of the connection between the pin and the contact. At the same time, a locking mechanism can be added to the surface of the existing circuit board to use the existing transistor, thereby improving the adaptability of the transistor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the transistor body structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the locking mechanism structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the locking block structure of the utility model;

[0028] Figure 5 For this utility model Figure 4 Schematic diagram of the cross-sectional structure.

[0029] Description of reference numerals:

[0030] 1. Circuit board body; 11. Support gasket; 12. Positioning slot; 2. Transistor body; 21. Spring sheet; 22. Block; 23. Heat sink; 24. Pin; 3. Locking block; 31. Contact; 32. Positioning slot; 33. Positioning spring; 34. Pressing sheet; 35. Insulating gasket; 36. Limiting slot; 37. Limiting block. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] The utility model provides Figures 1 to 3A MOS transistor shown in the figure comprises a circuit board body 1 and a transistor body 2, a support gasket 11 is fixedly connected to the upper surface of the circuit board body 1, the transistor body 2 abuts against the upper surface of the support gasket 11, a locking mechanism is provided on the surface of the circuit board body 1, the locking mechanism comprises a positioning slot 12, a locking block 3, a positioning spring 33 and a pressing plate 34, the locking block 3 is arranged on the right side of the support gasket 11, a heat sink 23 is provided on the upper surface of the transistor body 2, two groups of spring sheets 21 are fixedly connected to the front and rear side surfaces of the heat sink 23, a card block 22 is fixedly connected to the lower end of the spring sheet 21, the card block 22 is stuck in the inside of the positioning slot 12, two groups of pins 24 are fixedly connected to the right side of the transistor body 2, and contacts 31 are fixedly connected to the upper surface of the circuit board body 1 at the front and rear ends of the locking block 3, and the pins 24 are tightly abutted against the contacts 31.

[0033] Among them, the locking block 3 is fixed on the surface of the circuit board body 1 by welding. During the installation of the transistor body 2, the transistor body 2 is directly placed on the upper surface of the support gasket 11, and the pin 24 is made to contact the upper surface of the contact 31. Then, the heat sink 23 is placed on the upper surface of the transistor body 2, and the four groups of spring sheets 21 are inserted into the four groups of positioning slots 12. Then, the heat sink 23 is pressed downward, and the four groups of card blocks 22 are respectively stuck in the four groups of positioning slots 12, so as to quickly lock and fix the transistor body 2.

[0034] See also Figure 4 and Figure 5 , positioning grooves 32 are provided at the front and rear ends of the locking block 3, and the pressing pieces 34 are slidably connected to the two groups of positioning grooves 32 respectively. The positioning springs 33 are respectively arranged inside the two groups of positioning grooves 32, and the two ends of the positioning springs 33 are respectively fixedly connected to the side walls of the positioning grooves 32 and the pressing pieces 34. The lower surface of the pressing piece 34 is located at one end outside the positioning groove 32 and is fixedly connected with an insulating gasket 35. Two groups of limiting grooves 36 are provided on the upper surface of the locking block 3, and the lower ends of the limiting grooves 36 are connected to the positioning grooves 32. The limiting grooves 36 are internally slidably connected to the limiting blocks 37, and the lower ends of the limiting blocks 37 are fixedly connected to one end of the pressing piece 34 located inside the positioning grooves 32.

[0035] Specifically, when placing the transistor body 2, the pressing sheet 34 is retracted into the interior of the positioning groove 32 by the limiting block 37. After the pin 24 contacts the upper surface of the contact 31, the pressing sheet 34 is pushed outward by the limiting block 37, so that the insulating gasket 35 presses the upper surface of the pin 24, thereby making the pin 24 tightly connected to the contact 31, thereby improving its stability during use.

[0036] The working principle of the utility model is as follows: by placing the transistor body 2 on the surface of the supporting gasket 11, firstly using the pressing sheet 34 to press the pin 24 and the contact 31, then the heat sink 23 is tightly attached to the upper surface of the transistor body 2, and the card block 22 is inserted into the inside of the positioning card slot 12, the transistor body 2 is quickly installed and fixed, effectively improving the installation speed of the transistor body 2 and improving the installation efficiency of the transistor body 2.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A MOS transistor, comprising a circuit board body (1) and a transistor body (2), characterized in that: A support gasket (11) is fixedly connected to the upper surface of the circuit board body (1), the transistor body (2) abuts against the upper surface of the support gasket (11), a locking mechanism is provided on the surface of the circuit board body (1), the locking mechanism comprises a positioning slot (12), a locking block (3), a positioning spring (33) and a pressing plate (34), a heat sink (23) is provided on the upper surface of the transistor body (2), two groups of spring sheets (21) are fixedly connected to the front and rear side surfaces of the heat sink (23), and the locking block (3) is provided on the right side of the support gasket (11).

2. A MOS transistor according to claim 1, characterized in that: A clamping block (22) is fixedly connected to the lower end of the spring sheet (21), and the clamping block (22) is clamped inside the positioning clamping slot (12).

3. A MOS transistor according to claim 2, characterized in that: Two groups of pins (24) are fixedly connected to the right side of the transistor body (2), and contacts (31) are fixedly connected to the upper surface of the circuit board body (1) at both ends of the locking block (3), and the pins (24) are tightly abutted against the contacts (31).

4. A MOS transistor according to claim 1, characterized in that: The locking block (3) is provided with positioning grooves (32) at both the front and rear ends, and the pressing piece (34) is slidably connected to the two groups of positioning grooves (32) respectively.

5. A MOS transistor according to claim 4, characterized in that: The positioning springs (33) are respectively arranged inside the two groups of positioning grooves (32), and the two ends of the positioning springs (33) are respectively fixedly connected to the side walls of the positioning grooves (32) and the pressing sheet (34).

6. A MOS transistor according to claim 5, characterized in that: An insulating gasket (35) is fixedly connected to one end of the lower surface of the pressing sheet (34) located outside the positioning groove (32).

7. A MOS transistor according to claim 4, characterized in that: Two groups of limiting grooves (36) are formed on the upper surface of the locking block (3), and the lower ends of the limiting grooves (36) are connected to the positioning grooves (32).

8. A MOS transistor according to claim 7, characterized in that: The limiting groove (36) is internally slidably connected to a limiting block (37), and the lower end of the limiting block (37) is fixedly connected to an end of the pressing sheet (34) located on the inner side of the positioning groove (32).

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