CN209748898U

CN209748898U - Connecting and fixing device for PCB

Info

Publication number: CN209748898U
Application number: CN201822028790.0U
Authority: CN
Inventors: 谢润鹏
Original assignee: SHENZHEN YUWEI ELECTRONIC CO Ltd
Current assignee: SHENZHEN YUWEI ELECTRONIC CO Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-12-06
Anticipated expiration: 2028-11-28

Abstract

The utility model discloses a connection fixing device of PCB board, including PCB board main part, contact pin, wiring hole, first fixed plate, screw, second fixed plate, screw hole, fixed block, set casing, spring, slide, sliding guide, connecting rod and bracing piece. The utility model discloses insert the fixed block in another PCB board main part between first fixed plate and the second fixed plate in this PCB board main part, make screw hole and through-hole and circular slot align, then install the screw inside the through-hole, twist and move the screw, the screw gets into threaded hole inside, and then fix the fixed block between first fixed plate and second fixed plate, realize the connection of two PCB board main parts, the connecting rod gets into the set casing inside when the fixed block inserts between first fixed plate and the second fixed plate, the connecting rod inserts the set casing inside and supports two PCB board main parts, avoid two PCB board main parts to take place the rotation each other, cause the damage to the insertion needle.

Description

connecting and fixing device for PCB

Technical Field

The utility model relates to a PCB board specifically is a connection fixing device of PCB board belongs to PCB board technical field.

background

The PCB is also called a printed circuit board, and is a provider of electrical connection of electronic components. Its development has been for over 100 years, its design is mainly territory design, and the main advantages of adopting circuit board are that the errors of wiring and assembling can be greatly reduced, and the automation level and production labour rate can be raised.

The PCB board that uses at present has certain defect, lacks the equipment connection structure, causes the PCB board to make up and uses, reduces the practicality of PCB board, and some PCB boards link together, but inconvenient circuit is connected on the PCB board, lacks limit structure simultaneously, causes two PCB boards to link together and takes place the rotation easily, and then leads to the metal guide arm crooked, causes the damage of PCB board. Therefore, a PCB board connection fixing device is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

the present invention is directed to a connecting and fixing device for a PCB board to solve the above problems.

the utility model discloses a technical scheme realizes above-mentioned purpose, a PCB board connecting and fixing device, including PCB board main part, contact pin, wiring hole, connection structure and limit structure, contact pin is fixed to PCB board main part one side, wiring hole is installed to PCB board main part one side;

The connecting structure comprises a first fixing plate, a screw, a second fixing plate, a threaded hole and a fixing block, wherein the first fixing plate and the second fixing plate are fixedly connected to the upper surface and the lower surface of the PCB main body respectively and are symmetrically distributed; the surface of the screw is provided with external threads, and the screw penetrates through the surface of the first fixing plate and is attached to the upper surface of the second fixing plate; a fixing block is arranged on one side of the PCB main body, and a threaded hole is formed in one side of the fixing block;

The limiting structure comprises a fixed shell, a spring, a sliding plate, a sliding guide rail, a connecting rod and a supporting rod, the supporting rod is fixedly connected to the bottom of one side of the PCB main body, the connecting rod is fixedly connected to the lower surface of the supporting rod, the fixed shell is fixedly connected to the lower surface of the other side of the PCB main body, the spring is sleeved in the inner cavity of the fixed shell, the spring is sleeved on the surface of the sliding guide rail, the right end face of the spring is fixedly connected to the left end face of the sliding plate, and the left end face of the spring is fixedly connected to the left end face of; the sliding plate is sleeved on the sliding guide rail, and one end of the sliding guide rail is fixedly connected with the left end face of the inner cavity of the fixed shell.

Preferably, the contact pin and the wiring hole are electrically connected with the PCB main body through wires.

Preferably, the first fixing plate, the second fixing plate and the fixing block are welded on the PCB main body through electric soldering irons.

Preferably, the connecting structure and the limiting structure are two groups, two groups are the same and two limiting structures are the same and two symmetrically arranged on the PCB main body.

preferably, the sliding blocks are symmetrically arranged at two ends of the sliding plate and are arranged inside the sliding guide rail.

Preferably, a through hole is formed in one side of the first fixing plate, a circular groove is formed in one side of the second fixing plate, and screws are mounted in the through hole and the circular groove.

The utility model has the advantages that:

1. The utility model discloses an add first fixed plate, the screw, the second fixed plate, screw hole and fixed block, insert between first fixed plate and the second fixed plate in this PCB board main part with the fixed block in another PCB board main part, make screw hole and through-hole and circular slot align, then install the screw inside the through-hole, screw drive screw, the screw gets into threaded hole inside, and then fix the fixed block between first fixed plate and second fixed plate, realize the connection of two PCB board main parts, the contact pin inserts wiring downthehole portion simultaneously, realize the electric connection of two PCB board main parts, the PCB board of having solved present use has certain defect, lack the equipment connection structure, cause the PCB board can not make up and use, reduce the practicality of PCB board, the PCB board that has links together, but inconvenient circuit to the PCB board goes up the problem of connecting.

2. The utility model discloses an add the set casing, a spring, the slide, sliding guide, connecting rod and bracing piece, the fixed block inserts inside the connecting rod gets into the set casing when between first fixed plate and the second fixed plate, the connecting rod removes and promotes the slide and remove, the slide removes to compress the spring along sliding guide, the spring receives the compression and produces elasticity, the elasticity of spring makes things convenient for the auto-eject of connecting rod, the connecting rod inserts the set casing inside and supports two PCB board main parts, avoid two PCB board main parts to take place the rotation each other, cause the damage to the contact pin, the PCB board of having solved present use lacks limit structure, cause two PCB board to link together and take place the rotation easily, and then lead to the metal guide arm bending, cause the drawback that the PCB board damaged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

Fig. 3 is a schematic diagram of the limiting structure of the present invention.

in the figure: 1. PCB board main part, 2, contact pin, 3, wiring hole, 4, first fixed plate, 5, screw, 6, second fixed plate, 7, screw hole, 8, fixed block, 9, set casing, 10, spring, 11, slide, 12, sliding guide, 13, connecting rod, 14, bracing piece.

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.

Referring to fig. 1-3, a connecting and fixing device for a PCB includes a PCB main body 1, a pin 2, a wiring hole 3, a connecting structure and a limiting structure, wherein the pin 2 is fixed on one side of the PCB main body 1, and the wiring hole 3 is installed on one side of the PCB main body 1;

The connecting structure comprises a first fixing plate 4, a screw 5, a second fixing plate 6, a threaded hole 7 and a fixing block 8, wherein the first fixing plate 4 and the second fixing plate 6 are fixedly connected to the upper surface and the lower surface of the PCB main body 1 respectively and are symmetrically distributed; the surface of the screw 5 is provided with an external thread, and the screw 5 penetrates through the surface of the first fixing plate 4 and is attached to the upper surface of the second fixing plate 6; a fixing block 8 is arranged on one side of the PCB main body 1, and a threaded hole 7 is formed in one side of the fixing block 8;

The limiting structure comprises a fixed shell 9, a spring 10, a sliding plate 11, a sliding guide rail 12, a connecting rod 13 and a supporting rod 14, the supporting rod 14 is fixedly connected to the bottom of one side of the PCB main body 1, the connecting rod 13 is fixedly connected to the lower surface of the supporting rod 14, the fixed shell 9 is fixedly connected to the lower surface of the other side of the PCB main body 1, the spring 10 is sleeved in an inner cavity of the fixed shell 9, the spring 10 is sleeved on the surface of the sliding guide rail 12, the right side end face of the spring 10 is fixedly connected to the left side end face of the sliding plate 11, and the left side of the spring is fixedly connected to the left side end face; the sliding plate 11 is sleeved on the sliding guide rail 12, and one end of the sliding guide rail 12 is fixedly connected with the left end face of the inner cavity of the fixed shell 9.

The contact pin 2 and the wiring hole 3 are electrically connected with the PCB main bodies 1 through wires, so that the contact pin 2 and the connection hole are conveniently and electrically connected with the two PCB main bodies 1; the first fixing plate 4, the second fixing plate 6 and the fixing block 8 are welded on the PCB main body 1 through electric soldering irons, so that the first fixing plate 4, the second fixing plate 6 and the fixing block 8 can be conveniently installed; the connecting structures and the limiting structures are respectively provided with two groups, the two groups of connecting structures are the same, the two limiting structures are the same, the two connecting structures are symmetrically arranged on the PCB main body 1, and the two limiting structures are symmetrically arranged on the PCB main body 1; the two ends of the sliding plate 11 are symmetrically provided with sliding blocks, and the sliding blocks are arranged inside the sliding guide rail 12, so that the sliding plate 11 can move conveniently; a through hole is formed in one side of the first fixing plate 4, a circular groove is formed in one side of the second fixing plate 6, and screws 5 are mounted in the through hole and the circular groove, so that the screws 5 can be mounted conveniently.

The utility model discloses when using, at first get two PCB board main parts 1 that the specification is the same, move screw 5 on one of them PCB board main part 1 through twisting, make screw 5 remove and the separation of second fixed plate 6, and then pull down screw 5 from first fixed plate 4, then insert fixed block 8 on another PCB board main part 1 between first fixed plate 4 and the second fixed plate 6 on this PCB board main part 1, make screw hole 7 align with through-hole and circular slot, then install screw 5 inside the through-hole again, twist and move screw 5, screw 5 gets into inside screw hole 7, and then fix fixed block 8 between first fixed plate 4 and second fixed plate 6, realize the connection of two PCB board main parts 1, contact pin 2 inserts wiring hole 3 inside simultaneously, realize the electric connection of two PCB board main parts 1.

Connecting rod 13 gets into set casing 9 when fixed block 8 inserts between first fixed plate 4 and the second fixed plate 6 inside, connecting rod 13 removes promotion slide 11 and removes, slide 11 removes along sliding guide 12 and compresses spring 10, spring 10 receives the compression and produces elasticity, spring 10's elasticity makes things convenient for the auto-eject of connecting rod 13, connecting rod 13 inserts set casing 9 inside and supports two PCB board main parts 1, avoid two PCB board main parts 1 to take place the rotation each other, cause the damage to contact pin 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. the utility model provides a PCB board connect fixing device which characterized in that: the PCB comprises a PCB main body (1), a contact pin (2), a wiring hole (3), a connecting structure and a limiting structure, wherein the contact pin (2) is fixed on one side of the PCB main body (1), and the wiring hole (3) is arranged on one side of the PCB main body (1);

the connecting structure comprises a first fixing plate (4), a screw (5), a second fixing plate (6), a threaded hole (7) and a fixing block (8), wherein the first fixing plate (4) and the second fixing plate (6) are fixedly connected to the upper surface and the lower surface of the PCB main body (1) respectively and are symmetrically distributed; the surface of the screw (5) is provided with an external thread, and the screw (5) penetrates through the surface of the first fixing plate (4) and is attached to the upper surface of the second fixing plate (6); a fixed block (8) is arranged on one side of the PCB main body (1), and a threaded hole (7) is formed in one side of the fixed block (8);

The limiting structure comprises a fixed shell (9), a spring (10), a sliding plate (11), a sliding guide rail (12), a connecting rod (13) and a supporting rod (14), the supporting rod (14) is fixedly connected to the bottom of one side of the PCB main body (1), the connecting rod (13) is fixedly connected to the lower surface of the supporting rod (14), the fixed shell (9) is fixedly connected to the lower surface of the other side of the PCB main body (1), the spring (10) is sleeved in an inner cavity of the fixed shell (9), the spring (10) is sleeved on the surface of the sliding guide rail (12), a right side end face of the spring (10) is fixedly connected to a left side end face of the sliding plate (11), and a left side of the spring is fixedly connected to a left side end face of an inner cavity; the sliding plate (11) is sleeved on the sliding guide rail (12), and one end of the sliding guide rail (12) is fixedly connected with the left end face of the inner cavity of the fixed shell (9).

2. The PCB connecting and fixing device of claim 1, wherein: and the contact pin (2), the wiring hole (3) and the PCB main body (1) are electrically connected through a wire.

3. The PCB connecting and fixing device of claim 1, wherein: the first fixing plate (4), the second fixing plate (6) and the fixing block (8) are welded on the PCB main body (1) through electric soldering irons.

4. The PCB connecting and fixing device of claim 1, wherein: the connecting structure and the limiting structure are two groups, two groups are the same, two limiting structures are the same, two connecting structures are symmetrically installed on the PCB main body (1), and two limiting structures are symmetrically installed on the PCB main body (1).

5. The PCB connecting and fixing device of claim 1, wherein: the sliding blocks are symmetrically arranged at two ends of the sliding plate (11) and are arranged inside the sliding guide rail (12).

6. The PCB connecting and fixing device of claim 1, wherein: a through hole is formed in one side of the first fixing plate (4), a circular groove is formed in one side of the second fixing plate (6), and screws (5) are mounted in the through hole and the circular groove.