CN210650323U

CN210650323U - PCB fixing device

Info

Publication number: CN210650323U
Application number: CN201921224385.4U
Authority: CN
Inventors: 贺少波
Original assignee: Exascend Technology Wuhan Co ltd
Current assignee: Zhiyu Technology Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-02
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a PCB board fixing device belongs to machinery, include: a base having a sliding groove and a mounting boss provided in a sliding direction of the sliding groove; the sliding block is used for being installed in the sliding groove, and one end of the sliding block is provided with a protruding part which is clamped into the groove on the PCB; and the elastic component is arranged in the sliding groove and abutted between the other end of the sliding block and the mounting lug. Because have base, sliding block and elastic component, through set up elastic component between base and sliding block, utilize elastic component's elasticity to press from both sides tight fixed PCB board, only need when using to take off with the finger and draw the sliding block to press from both sides tightly and relax the fixed PCB board of treating the centre gripping just can be high-efficient, convenient realization PCB board fixed and dismantlement. The device has solved the problem that it is inconvenient, the operating efficiency is low to use rubber band or bolt and nut fixed PCB board.

Description

PCB fixing device

Technical Field

The utility model relates to a fixing device, concretely relates to carry out device fixed to PCB (Printed Circuit Board), belong to mechanical field.

Background

In the process of testing the PCB by inserting the PCB into the plug connector on the PCB rotating plate, one PCB rotating plate can be externally connected with a plurality of PCBs to be detected, and the good contact between the PCBs and the plug connector is required to be kept in the power-on testing process, so that the PCBs must be fixed.

The fixing of the PCB board is generally performed in a factory or a laboratory in two ways: one end of the connector is inserted into the connector, and the other end of the connector is fixed through a rubber band or a bolt nut.

The rubber band is convenient to operate, but during high-temperature testing, the rubber band can be melted to damage the electronic device. In addition, the elasticity of the rubber band is too large, so that the connector end of the external PCB is stressed, the service life of the connector is influenced, and the PCB can fall off automatically due to too small elasticity.

Although the bolt and nut fixing mode is stable and the stress is relatively balanced, the operation is inconvenient and the operation efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the problem that above-mentioned rubber band or bolt and nut fixed PCB board is inconvenient, operating efficiency is low and go on, aim at provides a PCB board fixing device.

The utility model provides a PCB board fixing device, a serial communication port, include:

a base having a sliding groove and a mounting boss provided in a sliding direction of the sliding groove;

the sliding block is used for being installed in the sliding groove, and one end of the sliding block is provided with a protruding part which is clamped into the groove on the PCB;

and the elastic component is arranged in the sliding groove and abutted between the other end of the sliding block and the mounting lug.

The utility model provides a PCB board fixing device can also have such characteristic:

wherein the elastic component comprises a spring and a pin for positioning,

the other end of the sliding block is provided with a first mounting hole, the mounting lug is provided with a second mounting hole along the sliding direction,

the spring is sleeved on the pin,

one end of the pin is sleeved in the second mounting hole, and the other end of the pin is sleeved in the first mounting hole.

the sliding block is provided with a protruding part, so that the sliding block is convenient for being grasped and operated by hands.

the sliding block is integrally rectangular, the front end of the sliding block is provided with the protruding part, and the rear end of the sliding block is provided with a square notch for accommodating the elastic component.

wherein, the two sides of the sliding block are provided with bosses,

and a long strip-shaped through groove matched with the boss of the sliding block is arranged in the sliding groove of the base.

wherein, the base is provided with fixing holes for screws or bolts to pass through for fixing at two sides of the sliding groove,

when the screw or the bolt is installed in the fixing hole, the head of the screw or the bolt at least partially covers the sliding block.

wherein the fixing hole passes through the strip-shaped through groove,

arc-shaped recesses are arranged on two sides of the front end of the sliding block,

the screw or the bolt penetrates through the fixing hole and the long strip-shaped through groove.

wherein, arc-shaped recesses are arranged on two sides of the front end of the sliding block,

the screw or the bolt penetrates through the fixing hole, the long strip-shaped through groove and the arc-shaped recess to prevent the sliding block from popping up under the action of the elastic component.

wherein the protruding part is a step-shaped semicircular platform,

the diameter of the upper semicircular block is greater than the diameter of the lower semicircular block,

the lower semicircular block is used for being inserted into a semicircular groove on the PCB,

the lower part semi-circular block is used for covering the PCB and preventing the PCB from tilting upwards.

wherein, the base the sliding block is the aluminum alloy material.

Action and effect of the utility model

According to the utility model provides a PCB board fixing device because have base, sliding block and elastic component, through set up elastic component between base and sliding block, utilize elastic component's elasticity to press from both sides tight fixed PCB board, only need take off with the finger when using and draw the sliding block to press from both sides tightly and relax and treat that the fixed PCB board of centre gripping just can be high-efficient, convenient realization PCB board fixed and dismantlement.

Drawings

Fig. 1 is a schematic view illustrating a PCB fixing device mounted on a PCB rotating plate according to an embodiment of the present invention;

fig. 2 is a schematic view of the PCB fixing apparatus in an assembled state according to an embodiment of the present invention;

fig. 3 is a schematic view of the PCB fixing device in a disassembled state according to an embodiment of the present invention;

FIG. 4 is a schematic view of the embodiment of the present invention showing the matching of the protruding portion of the sliding block and the groove on the PCB; and

fig. 5 is a schematic view of an embodiment of the present invention illustrating a process of using the PCB fixing apparatus.

Detailed Description

In order to make the utility model realize that the technical means, creation characteristics, achievement purpose and efficiency are easy to understand and understand, the following embodiment combines the drawings to be right the utility model discloses PCB board fixing device does specifically expounds.

As shown in fig. 1, in the process of testing by inserting the PCB board 1 into the connector 3 on the PCB rotating board 2, one PCB rotating board is externally connected with a plurality of PCB boards to be tested, and the PCB boards need to be kept in good contact with the connector during the power-on test process, so the PCB boards need to be fixed, and the following embodiments describe the fixing of the PCB boards by using the PCB board fixing device 100 with reference to the drawings.

Example 1

As shown in fig. 1, 2 and 3, the PCB fixing apparatus 100 includes a base 10, a sliding block 20 and an elastic member 30.

The base 10 has a slide groove 11 and a mounting projection 12 provided in the sliding direction of the slide groove.

And a sliding block 20 for being mounted in the sliding groove, the head end of which has a protruding part 21 for being snapped into the groove on the PCB.

And the elastic component 30 is used for being installed in the sliding groove and abutted between the tail end of the sliding block and the installation lug 12.

When the PCB clamping device is used, the sliding block 20 is only required to be pulled by fingers, so that the sliding block 20 moves under the limitation of the elastic component to clamp and loosen the PCB to be clamped and fixed, and the PCB can be efficiently and conveniently fixed and detached.

Example 2

As shown in fig. 1, 2 and 3, on the basis of embodiment 1, as an optimization, the elastic component 30 includes a spring 31 and a positioning pin 32.

A first mounting hole 22 is provided at the tail of the slider block, and a second mounting hole 121 along the sliding direction is provided in the mounting boss 12.

The spring 31 is sleeved on the pin 32, one end of the pin 32 is sleeved in the second mounting hole 121, and the other end is sleeved in the first mounting hole 22.

It will be apparent that a resilient sheet or other resilient member may be used as an alternative or alternative.

Example 3

As shown in fig. 1, 2 and 3, on the basis of

embodiment

1 or 2, as an optimization, the sliding block 20 has a protrusion 23 thereon, which facilitates the gripping operation by a human hand.

Example 4

As shown in fig. 1, 2 and 3, based on

embodiment

1, 2 or 3, the sliding block 20 is preferably rectangular as a whole, and has the protruding portion 21 at the front end and the square notch 24 at the rear end for accommodating the elastic member.

Example 5

As shown in fig. 1, 2, and 3, on the basis of

embodiment

1 or 2 or 3 or 4, as an optimization, the two sides of the sliding block 20 are provided with bosses 25, and the sliding groove 11 of the base 10 is provided with an elongated through groove 111 matching with the bosses of the sliding block.

Example 6

As shown in fig. 1, 2, and 3, on the basis of the

embodiments

1 or 2 or 3 or 4 or 5, as an optimization, fixing holes 13 for screws or bolts to pass through for fixing are provided on the base 10 at both sides of the sliding groove.

When the screw or bolt is mounted in the fixing hole, the head of the screw or bolt L at least partially covers the sliding block 20.

Example 7

As shown in fig. 1, 2, 3, 4, on the basis of

embodiment

1 or 2 or 3 or 4 or 5 or 6, as an optimization, the fixing hole 13 penetrates through the elongated through slot 111, and the screw or bolt penetrates through the fixing hole 13 and the elongated through slot 111.

Example 8

As shown in fig. 1, 2, 3 and 4, in the

embodiment

1 or 2 or 3 or 4 or 5 or 6 or 7, as an optimization, the two sides of the front end of the sliding block are provided with circular arc shaped recesses 26, and the screw or bolt passes through the fixing hole 13, the elongated through groove 111 and the circular arc shaped recesses 26 to prevent the sliding block from popping up under the action of the elastic component.

Example 9

As shown in fig. 1, 2, 3 and 4, based on

embodiment

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, as an optimization, the protruding portion 21 is a stepped semi-circular truncated cone, the diameter of the upper semi-circular block 211 is larger than that of the lower semi-circular block 212, the lower semi-circular block 212 is used for being inserted into the semi-circular groove C on the PCB board, and the lower semi-circular block 211 is used for covering the PCB to prevent the PCB from tilting upward.

Example 10

As shown in fig. 1, 2, 3 and 4, on the basis of

embodiments

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, as an optimization, the base 10 and the sliding block 20 are made of an aluminum alloy material, so as to facilitate the operation.

The following description will be made with reference to fig. 5 for a method of using the PCB fixing apparatus according to the embodiment.

The embodiment provides a PCB fixing device, which clamps and fixes a PCB by an elastic member 30 disposed between a base 10 and a sliding block 20.

When the sliding block 20 is used, the sliding block 20 is moved backwards only by pulling the protrusion 23 on the sliding block 20 with fingers, then the semicircular groove on the PCB is clamped between the upper semicircular block 211 and the lower semicircular block 212 on the protrusion 21, then the protrusion 23 is released, and the sliding block 20 slides forwards under the action of elasticity, so that the clamping and fixing can be realized.

When taking out, the finger pulls the protrusion 23 on the slide block 20 to move the slide block 20 backward, and then the PCB board is taken out from the side direction.

The PCB 2 to be clamped and fixed can be efficiently and conveniently fixed and detached by clamping and loosening the PCB.

Effects and effects of the embodiments

The embodiment provides a PCB board fixing device, because have base, sliding block and elastic component, through set up elastic component between base and sliding block, utilize elastic component's elasticity to press from both sides tight fixed PCB board, only need when using to take off with the finger and draw the sliding block and press from both sides tightly and relax the fixed PCB board of treating the centre gripping just can be high-efficient, convenient realization PCB board fixed and dismantlement.

And because the elastic component comprises the spring and the pin for positioning, the spring is sleeved on the pin, so that when the sliding block is pulled, the spring can generate an acting force for pressing and fixing, and the pin for positioning can position the spring.

Further, the both sides of sliding block set up the abrupt platform, be provided with in the sliding tray of base with the rectangular shape that the abrupt platform of sliding block matches leads to the groove, and abrupt platform matches the card with leading to the groove like this and goes into, has further prevented that the slider from popping out from the sliding tray.

Lie in on the base the both sides of sliding tray set up and supply screw or bolt to pass the fixed orifices that carries out the fixing, such design makes when screw or bolt are installed during the fixed orifices, the head part of screw or bolt at least partially covers the sliding block to further restriction sliding block rock in perpendicular to sliding direction, avoid fixed rocking PCB board to the harm of PCB board.

Furthermore, arc-shaped depressions are formed in two sides of the front end of the sliding block, and due to the design, the screws or bolts penetrate through the fixing holes, the long strip-shaped through grooves and the arc-shaped depressions, so that the sliding block is prevented from popping up under the action of the elastic component.

The bulge is the semicircle platform of step, and the diameter of upper portion semicircle piece is greater than the diameter of lower part semicircle piece, and when using, the semicircle piece in lower part is used for inserting semicircle groove on the PCB board, the semicircle piece of lower part is used for covering PCB prevents its perk that makes progress.

Claims

1. A PCB board fixing device is characterized by comprising:

2. The PCB board fixing device of claim 1, wherein:

wherein the elastic component comprises a spring and a pin for positioning,

the spring is sleeved on the pin,

3. The PCB board fixing device of claim 1, wherein:

4. The PCB board fixing device of claim 1, wherein:

5. The PCB board fixing device of claim 4, wherein:

wherein, the two sides of the sliding block are provided with bosses,

6. The PCB board fixing device of claim 5, wherein:

7. The PCB board fixing device of claim 6, wherein:

wherein the fixing hole passes through the strip-shaped through groove,

8. The PCB board fixing device of claim 7, wherein:

9. The PCB board fixing device of claim 1, wherein:

wherein the protruding part is a step-shaped semicircular platform,

10. The PCB board fixing device of claim 1, wherein:

wherein, the base the sliding block is the aluminum alloy material.