CN209845572U

CN209845572U - Screw nut for fixing PCB

Info

Publication number: CN209845572U
Application number: CN201920531681.2U
Authority: CN
Inventors: 方诚; 薛圣立
Original assignee: Shanghai Fengtian Electronics Co Ltd
Current assignee: Shanghai Fengtian Electronics Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2019-12-24
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a screw nut for fixing a PCB, which comprises a screw, a PCB and a shell main body, wherein the shell main body is provided with the PCB, the upper end of the shell main body is provided with a slot, the two sides of the upper end of the slot are provided with bosses, the PCB is positioned at the two sides of the bosses, the lower end of the screw is inserted into the slot and is in threaded connection with the slot, the lower ends of the two sides of the screw are fixedly connected with the PCB, the screw consists of a T-shaped rod, a first connecting plate and a second connecting plate, the PCB is placed at the two sides of the boss, the upper end of the boss is lower than the upper surface of the PCB, the PCB is convenient to place, then the screw 1 is inserted into the slot, the PCB is fixed at the two sides of the bosses by rotating the screw, the screw plays the roles of positioning and fixing, the upper end of the T-shaped rod is provided with a connecting slot and a concave part, fix the PCB board, prevent that the PCB board from taking place to slide.

Description

Screw nut for fixing PCB

Technical Field

The utility model relates to a PCB board technical field specifically is a screw nut for fixing PCB.

Background

At present, electronic products are different day by day, the development mainly aims at the trend of small size and light weight, particularly the development of new energy automobiles, the size of a high-power integrated electronic controller is smaller and smaller, and the requirements for fixing and positioning a PCB (printed circuit board) are higher and higher for pursuing the size. The existing PCB is not easy to fix and is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw nut for fixing PCB to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw nut for fixed PCB, includes screw, PCB board and shell main part, install the PCB board in the shell main part, shell main part upper end is provided with the slot, and slot upper end both sides are provided with the boss, the PCB board is located the both sides of boss, and the screw lower extreme inserts in the slot with slot threaded connection, screw both sides lower extreme and PCB board fixed connection, the screw comprises T shape pole, first connecting plate and second connecting plate, and second connecting plate and first connecting plate are passed in proper order to T shape pole lower extreme, second connecting plate and first connecting plate respectively with T shape pole fixed connection, first connecting plate bottom is connected with the PCB board.

Preferably, the upper end of the T-shaped rod is provided with a connecting groove, two sides of the upper end of the connecting groove are provided with concave parts, the concave parts are connected with the connecting groove, and one side, away from the connecting groove, of each concave part is provided with an inclined plane.

Preferably, the upper end of the boss is lower than the upper surface of the PCB.

Preferably, the length of the second connecting plate is less than that of the upper end of the T-shaped rod, and the length of the first connecting plate is greater than that of the upper end of the T-shaped rod.

Preferably, the upper end surface of the T-shaped rod is provided with an arc shape, and the lower end surface of the T-shaped rod is provided with threads.

Compared with the prior art, the beneficial effects of the utility model are that: place the both sides at the boss with the PCB board, and the upper end of boss is less than the upper surface of PCB board, the placing of the PCB board of being convenient for, can save certain space, then insert screw 1 in the slot, fix the PCB board in the both sides of boss through rotatory screw, the screw plays location and fixed effect, T shape pole upper end is provided with spread groove and depressed part, the T shape pole of being convenient for takes out from the slot, through the extrusion of first connecting plate to the PCB board, fix the PCB board, can reduce screw 1 to PCB board harm degree, prevent that the PCB board from taking place to slide, the live time of extension PCB board.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the housing main body of the present invention;

fig. 3 is a schematic structural view of the screw of the present invention.

In the figure: 1. a screw; 2. a PCB board; 3. a housing main body; 4. a slot; 5. a boss; 6. a first connecting plate; 7. a second connecting plate; 8. connecting grooves; 9. a recessed portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a screw nut for fixed PCB, includes screw 1, PCB board 2 and shell main part 3, install PCB board 2 on the shell main part 3, 3 upper ends of shell main part are provided with slot 4, and slot 4 upper end both sides are provided with boss 5, PCB board 2 is located the both sides of boss 5, and 1 lower extreme of screw inserts in the slot 4 with slot 4 fixed connection, 1 both sides lower extreme of screw and 2 threaded connection of PCB board, screw 1 comprises T shape pole, first connecting plate 6 and second connecting plate 7, and second connecting plate 7 and first connecting plate 6 are passed in proper order to T shape pole lower extreme, second connecting plate 7 and first connecting plate 6 respectively with T shape pole fixed connection, first connecting plate 6 bottom is connected with PCB board 2.

Further, the upper end of the T-shaped rod is provided with a connecting groove 8, two sides of the upper end of the connecting groove 8 are provided with concave parts 9, the concave parts 9 are connected with the connecting groove 8, and one side, away from the connecting groove 8, of each concave part 9 is provided with a slope.

Further, the upper end of the boss 5 is lower than the upper surface of the PCB 2.

Further, the length of the second connecting plate 7 is less than that of the upper end of the T-shaped rod, and the length of the first connecting plate 6 is greater than that of the upper end of the T-shaped rod.

Furthermore, the upper end surface of the T-shaped rod is in a circular arc shape, the possibility that the T-shaped rod damages the PCB 2 can be reduced, and the lower end surface of the T-shaped rod is provided with threads.

The working principle is as follows: place PCB board 2 in the both sides of boss 5, and the upper end of boss 5 is less than PCB board 2's upper surface, be convenient for place of PCB board 2, can save certain space, then insert screw 1 in slot 4, fix PCB board 2 in the both sides of boss 5 through rotatory screw 1, screw 1 plays location and fixed effect, T shape pole upper end is provided with spread groove 8 and depressed part 9, be convenient for T shape pole takes out from slot 4, through the extrusion of first connecting plate 6 to PCB board 2, fix PCB board 2, can reduce screw 1 to PCB board harm degree, prevent that the PCB board from taking place to slide, the live time of extension PCB board.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw nut for fixing PCB which characterized in that: including screw (1), PCB board (2) and shell main part (3), install PCB board (2) on shell main part (3), shell main part (3) upper end is provided with slot (4), and slot (4) upper end both sides are provided with boss (5), PCB board (2) are located the both sides of boss (5), and screw (1) lower extreme inserts in slot (4) with slot (4) threaded connection, screw (1) both sides lower extreme and PCB board (2) fixed connection, screw (1) comprises T shape pole, first connecting plate (6) and second connecting plate (7), and second connecting plate (7) and first connecting plate (6) are passed in proper order to T shape pole lower extreme, second connecting plate (7) and first connecting plate (6) respectively with T shape pole fixed connection, first connecting plate (6) bottom is connected with PCB board (2).

2. The screw nut for fixing a PCB as claimed in claim 1, wherein: the T-shaped rod upper end is provided with spread groove (8), and spread groove (8) upper end both sides are provided with sunk part (9), and sunk part (9) are connected with spread groove (8), and one side that spread groove (8) were kept away from in sunk part (9) is provided with the inclined plane.

3. The screw nut for fixing a PCB as claimed in claim 1, wherein: the upper end of the boss (5) is lower than the upper surface of the PCB (2).

4. The screw nut for fixing a PCB as claimed in claim 1, wherein: the length of the second connecting plate (7) is smaller than that of the upper end of the T-shaped rod, and the length of the first connecting plate (6) is larger than that of the upper end of the T-shaped rod.

5. The screw nut for fixing a PCB as claimed in claim 1, wherein: the upper end surface of the T-shaped rod is arc-shaped, and the lower end surface of the T-shaped rod is provided with threads.