MOS tube pin protection structure

Abstract

The utility model relates to the field of MOS tube pin protection structures, in particular to an MOS tube pin protection structure which comprises an MOS block and tube pins, one end of the MOS block is provided with three tube pins, one end of the MOS block close to the tube pins is provided with a protection sleeve used for protecting the tube pins in a clamping connection mode, the protection sleeve is integrally square, one side of the protection sleeve close to the MOS block is open, and the protection sleeve is connected with the tube pins in a clamping connection mode. A pin penetrating hole is formed in the side wall, back to the MOS block, of the protection sleeve, the MOS block and the protection sleeve are independently machined and finally installed in a combined mode, the clamping plate is located in the protection clamping groove, the pin is completely located on the inner side of the protection sleeve, and therefore the pin is well protected. Even if the pin is bent accidentally during installation, the protective sleeve can be moved, and the pin can be straightened again under the acting force of the sleeve plate.

Description

Technical Field

[0001] The utility model relates to the field of MOS tube pin protection structures, in particular to a MOS tube pin protection structure. Background Art

[0002] Before installation, the pins of existing MOS tubes are exposed outside the MOS block, which increases the risk of accidental contact and may cause the pins to bend or even break. To solve this problem, some MOS tubes are equipped with external protective covers. However, the protective covers still need to be removed during installation, and this process also poses a risk of pin bending.

[0003] Therefore, it is necessary to provide a MOS tube pin protection structure to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a MOS tube pin protection structure.

[0005] The utility model provides a MOS tube pin protection structure, comprising a MOS block and pins, one end of the MOS block is provided with three pins, one end of the MOS block close to the pins is clamped and installed with a protective sleeve for protecting the pins, the protective sleeve is square in shape as a whole, and the side of the protective sleeve close to the MOS block is open, and a pin outlet hole is provided on a side wall of the protective sleeve facing away from the MOS block.

[0006] Preferably, a connecting portion is provided on one side of the MOS block close to the pin, and a protective sleeve is sleeved on the outside of the connecting portion, and the protective sleeve is slidably connected to the connecting portion.

[0007] Preferably, a slide groove for avoiding the tube pin is provided inside the connecting part, and three sleeve plates are fixed inside the protective sleeve. The sleeve plates are sleeved on the outside of the tube pin and are slidably connected in the slide groove.

[0008] Preferably, one end of the pin is provided with a first chamfer.

[0009] Preferably, a second chamfer is provided at the end of the inner wall of the sleeve plate.

[0010] Preferably, a clamping plate is provided at one end of the protective sleeve, and a protective clamping groove cooperating with the clamping plate is provided on the side wall of the connecting portion.

[0011] Preferably, a receiving groove for receiving a card board is provided on the side wall of the MOS block, and a fixing card groove cooperating with the card board is provided in the receiving groove.

[0012] Preferably, the accommodating groove is flush with the side wall of the connecting portion.

[0013] Preferably, when the card plate is located in the fixed card slot, the end of the protective sleeve contacts the end of the MOS block.

[0014] Preferably, when the end of the protective sleeve contacts the end of the MOS block, the end of the protective sleeve is flush with the side surface of the end of the MOS block.

[0015] Preferably, a fixing plate is provided at one end of the MOS block facing away from the pins, and a mounting hole is provided on the fixing plate.

[0016] Preferably, a positioning groove is provided on the fixing plate.

[0017] Compared with the related art, the utility model provides the following beneficial effects:

[0018] The MOS block and the protective cover are processed independently and then assembled. The card board is located in the protective card slot and the pins are completely located inside the protective cover, so that the pins are well protected.

[0019] Even if the tube pin is accidentally bent during installation, the protective cover can be moved and the tube pin can be straightened again under the force of the cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an exploded schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the protective cover structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the relative position of the slideway of the utility model.

[0023] Numbers in the figure: 1, MOS block; 2, pin; 3, protective cover; 4, pin outlet hole; 5, connecting part; 6, sleeve plate; 7, slide groove; 8, first chamfer; 9, second chamfer; 10, card plate; 11, protective card slot; 12, fixed card slot; 13, fixed plate; 14, mounting hole; 15, positioning slot; 16, receiving slot. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figures 1 to 3 A MOS tube pin protection structure includes a MOS block 1 and pins 2. One end of the MOS block 1 is provided with three pins 2. The end of the MOS block 1 close to the pins 2 is clamped and installed with a protective cover 3 for protecting the pins 2. The protective cover 3 is square as a whole, and the side of the protective cover 3 close to the MOS block 1 is open. A pin outlet hole 4 is provided on a side wall of the protective cover 3 facing away from the MOS block 1.

[0026] The MOS block 1 is provided with a connecting portion 5 on one side close to the pin 2 , and the protective sleeve 3 is sleeved on the outside of the connecting portion 5 , and the protective sleeve 3 is slidably connected to the connecting portion 5 .

[0027] The connection portion 5 is provided with a slide groove 7 for avoiding the pin 2 inside, and three sleeve plates 6 are fixed inside the protective sleeve 3. The sleeve plates 6 are sleeved on the outside of the pin 2 and are slidably connected in the slide groove 7.

[0028] One end of the pin 2 is provided with a first chamfer 8. The inner wall end of the sleeve plate 6 is provided with a second chamfer 9. The first chamfer 8 and the second chamfer 9 facilitate the insertion and installation of the pin 2 and the sleeve plate 6.

[0029] A clamping plate 10 is disposed at one end of the protective sleeve 3 , and a protective clamping slot 11 cooperating with the clamping plate 10 is disposed on the side wall of the connecting portion 5 . When the clamping plate 10 is located in the protective clamping slot 11 , the pin 2 is completely located inside the protective sleeve 3 .

[0030] The side wall of the MOS block 1 is provided with a receiving groove 16 for receiving the card board 10, and the receiving groove 16 is provided with a fixing card slot 12 matched with the card board 10. When the card board 10 is located in the fixing card slot 12, the end of the protective cover 3 contacts the end of the MOS block 1, and the hand feeling is better. At this time, the pin 2 is exposed outside the protective cover 3, and the MOS tube can be installed.

[0031] The receiving groove 16 is flush with the side wall of the connecting portion 5 , so that the card plate 10 can be smoothly moved into the fixed card groove 12 .

[0032] When the end of the protective sleeve 3 contacts the end of the MOS block 1 , the end of the protective sleeve 3 is flush with the side of the end of the MOS block 1 , making the protective sleeve 3 and the MOS block 1 more beautiful as a whole.

[0033] The end of the MOS block 1 facing away from the pin 2 is provided with a fixing plate 13, and the fixing plate 13 is provided with a mounting hole 14 for fixing the MOS tube by screws. The fixing plate 13 is provided with a positioning groove 15 for facilitating the positioning of the MOS tube installation.

[0034] Working principle:

[0035] During factory processing, the protective cover 3 is installed on the MOS tube so that the card board 10 is located in the protective card slot 11 and the pin 2 is completely located inside the protective cover 3, so that the pin 2 is well protected.

[0036] When installation is required, the card plate 10 is located in the fixed card slot 12, and the end of the protective sleeve 3 is flush with the side of the end of the MOS block 1. At this time, the protective sleeve 3 and the MOS block 1 are relatively fixed, and the MOS tube can be installed.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A MOS tube pin protection structure, characterized in that: The invention comprises a MOS block (1) and pins (2), wherein one end of the MOS block (1) is provided with three pins (2), and an end of the MOS block (1) close to the pins (2) is clamped and installed with a protective sleeve (3) for protecting the pins (2), wherein the protective sleeve (3) is square in shape as a whole, and a side of the protective sleeve (3) close to the MOS block (1) is open, and a side wall of the protective sleeve (3) facing away from the MOS block (1) is provided with a pin outlet hole (4); The MOS block (1) is provided with a connecting portion (5) on one side close to the pin (2), and the protective sleeve (3) is sleeved on the outside of the connecting portion (5), and the protective sleeve (3) is slidably connected to the connecting portion (5); A sliding groove (7) for avoiding the tube pin (2) is provided inside the connecting portion (5), and three sleeve plates (6) are fixed inside the protective sleeve (3). The sleeve plates (6) are sleeved on the outside of the tube pin (2), and the sleeve plates (6) are slidably connected in the sliding groove (7).

2. A MOS tube pin protection structure according to claim 1, characterized in that: One end of the tube pin (2) is provided with a first chamfer (8).

3. The MOS tube pin protection structure according to claim 1, characterized in that: The inner wall end of the sleeve plate (6) is provided with a second chamfer (9).

4. The MOS tube pin protection structure according to claim 1, characterized in that: A clamping plate (10) is provided at one end of the protective sleeve (3), and a protective clamping groove (11) cooperating with the clamping plate (10) is provided on a side wall of the connecting portion (5).

5. A MOS tube pin protection structure according to claim 4, characterized in that: A receiving groove (16) for receiving a card board (10) is provided on the side wall of the MOS block (1), and a fixed card groove (12) matching with the card board (10) is provided in the receiving groove (16).

6. A MOS tube pin protection structure according to claim 5, characterized in that: The accommodating groove (16) is flush with the side wall of the connecting portion (5).

7. A MOS tube pin protection structure according to claim 4, characterized in that: When the card plate (10) is located in the fixed card slot (12), the end of the protective sleeve (3) contacts the end of the MOS block (1).

8. The MOS tube pin protection structure according to claim 1, characterized in that: When the end of the protective sleeve (3) contacts the end of the MOS block (1), the end of the protective sleeve (3) is flush with the side surface of the end of the MOS block (1).

9. The MOS tube pin protection structure according to claim 1, characterized in that: A fixing plate (13) is provided at one end of the MOS block (1) which is opposite to the pin (2), and a mounting hole (14) is provided on the fixing plate (13).

10. The MOS tube pin protection structure according to claim 9, characterized in that: The fixing plate (13) is provided with a positioning groove (15).

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