CN210572411U

CN210572411U - PCB fixing device convenient to PCB detects

Info

Publication number: CN210572411U
Application number: CN201921492788.7U
Authority: CN
Inventors: 顾雪荣
Original assignee: Kunshan Qianhe Electronic Co ltd
Current assignee: Kunshan Qianhe Electronic Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-19
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a PCB fixing device convenient for PCB detection, which belongs to the technical field of PCB detection and comprises a bottom plate, wherein the top of the bottom plate is rectangular and is provided with four groups of supporting rods, a top plate is connected between the tops of the four groups of supporting rods through screws, a fixed groove is arranged in the middle of the upper surface of the bottom plate, the fixed groove is positioned between the supporting rods on the left side and the right side, a rubber pad is bonded at the bottom of the fixed groove, an operation hole is arranged in the middle of the body of the top plate, the body of the top plate is provided with two screw holes which are respectively positioned on the left side and the right side of the operation hole, a screw rod is screwed in the screw holes, the top of the screw rod is connected with a knob through screws, a connecting piece is fixedly sleeved on the outer wall of the middle lower part of the screw rod, and has good protection for the fixed PCB board.

Description

PCB fixing device convenient to PCB detects

Technical Field

The utility model relates to a PCB board detects technical field, specifically is a PCB board fixing device convenient to PCB board detects.

Background

Electronic equipment has been accompanied in every corner of people's life since the day that appears, and the most important structure in electronic equipment is the PCB board, and the PCB board is as a part that has accurate structure, and its manufacturing procedure is complicated, wherein the inspection is carried out to the PCB board that makes with a step that the preparation finishes extremely important, and in order to can better detect, need a fixing device to fix the PCB board.

For example, the chinese utility model patent application No. CN201620808914.5 discloses a PCB board fixing device. The PCB fixing device comprises a PCB and a mounting mechanism; the PCB is provided with a first through hole and a second through hole which penetrate through the thickness of the PCB; the mounting mechanism comprises a limiting column and a locking component; the limiting column is provided with a clamping groove for clamping the PCB; the locking assembly can be switched between a locking state and an unlocking state, and when the locking assembly is in the locking state, the locking assembly is positioned in the second through hole; when the PCB is fixed on the mounting mechanism, the PCB is clamped in the clamping groove, at least one part of hole wall of the first through hole is abutted to the limiting column, and the locking assembly is in a locking state to lock the PCB on the mounting mechanism.

However, the above-mentioned device has a problem that the surface of the PCB board may be damaged when the PCB board is fixed, and there is no protection for the fixed PCB board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board fixing device convenient to PCB board detects to it may damage the PCB board surface when fixed PCB board to provide in the above-mentioned background art to solve, and does not have the problem of protection to fixed PCB board.

In order to achieve the above object, the utility model provides a following technical scheme: a PCB fixing device convenient for PCB detection comprises a bottom plate, wherein four groups of supporting rods are arranged on the top of the bottom plate in a rectangular shape, a top plate is connected between the tops of the four groups of supporting rods through screws, a fixing groove is formed in the middle of the upper surface of the bottom plate and is positioned between the supporting rods on the left side and the right side, a rubber pad is bonded at the bottom of the fixing groove, an operation hole is formed in the middle of the body of the top plate, two screw holes are formed in the body of the top plate and are respectively positioned on the left side and the right side of the operation hole, a screw rod is screwed in the screw holes, the top of the screw rod is connected with a knob through screws, a connecting piece is fixedly sleeved on the outer wall of the middle lower part of the screw rod, a spring is connected to the bottom of the connecting piece through screws and is sleeved on the outer wall, and the backing plate is positioned above the fixing groove.

Preferably, the top angles of the bottom plate and the top plate are all in a round angle structure.

Preferably, the top of the rubber pad is carved with anti-skid lines.

Preferably, the outer wall of the knob is sleeved with a rubber membrane.

Preferably, the outer edge of the bottom plate body is uniformly provided with connecting holes.

Preferably, the height value of the fixing groove is 8-10mm, and the thickness value of the rubber pad is 2-4 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1) when the PCB is fixed, the spring is used as a buffer in the process that the PCB is clamped by the backing plate, so that the PCB is fixed more stably and the surface of the PCB is not damaged;

2) the PCB is fixed in the fixing groove, and a top plate and a support rod above the PCB are used for protection, so that the PCB cannot be damaged by external force during detection;

3) when the PCB is fixed, the PCB is only required to be placed into the fixing groove, and then the knob is screwed to enable the base plate to tightly press the PCB, so that the fixing can be completed, and the fixing operation is simple.

Drawings

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

fig. 2 is a sectional view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a top sectional view of the present invention.

In the figure: the device comprises a base plate 1, a top plate 2, a fixing groove 3, a rubber pad 4, a screw rod 5, a knob 6, a connecting piece 7, a spring 8, a backing plate 9, a support rod 10, an operation hole 11 and a connecting hole 12.

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 "upper", "lower", "inner", "outer", "top/bottom", 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a PCB board fixing device convenient to PCB board detects, includes bottom plate 1, and the top of bottom plate 1 is the rectangle and is provided with four group's bracing pieces 10, has roof 2 through bolted connection between the top of four group's bracing pieces 10, and above-mentioned structure constitutes the structural framework of whole device.

The middle part of the upper surface of the bottom plate 1 is provided with a fixed groove 3, a PCB is placed in the fixed groove 3, the fixed groove 3 is positioned between support rods 10 on the left side and the right side, the bottom of the fixed groove 3 is bonded with a rubber pad 4, the rubber pad 4 provides support for the back surface of the PCB, the middle part of the body of the top plate 2 is provided with an operation hole 11, the PCB can be detected through the operation hole 11, the body of the top plate 2 is provided with two screw holes, the two screw holes are respectively positioned on the left side and the right side of the operation hole 11, screw rods 5 are screwed in the screw holes, the top of each screw rod 5 is connected with a knob 6 through screws, the screw rods 5 are conveniently screwed through the knobs 6 to rotate, a connecting piece 7 is fixedly sleeved on the outer wall of the middle lower part of each screw rod 5, the bottom of each connecting piece 7 is connected with a spring 8 through screws, gasket 9 is silica gel system backing plate, and backing plate 9 is located the top of fixed slot 3, and the in-process that screw rod 5 moved down, the top contact of backing plate 9 and PCB board, then spring 8 progressively compresses tightly to with the firm fixed of PCB board, and can not harm PCB board upper surface.

Wherein, the apex angle of bottom plate 1 and roof 2 is the fillet structure, prevents that human mistake from bumping and hurting.

The top of rubber pad 4 is carved with anti-skidding line, and the PCB board takes place to slide when preventing fixed PCB board.

The outer wall of knob 5 has cup jointed the rubber membrane, increases the frictional force of knob 5 and hand, conveniently rotates knob 5.

Connecting holes 12 are uniformly formed in the outer edge of the body of the bottom plate 1, and fixing screws can be inserted into the connecting holes 12 to fix the whole device on an external device, so that the stability of the whole device is improved.

The height value of the fixing groove 3 is 8-10mm, the thickness value of the rubber pad 4 is 2-4mm, the thickness value of a conventional PCB is 5mm, and the upper surface of the PCB cannot protrude, so that the possibility of damage of the PCB is avoided.

The working principle is as follows: place the PCB board in fixed slot 3, then twist knob 6 of moving both sides and make screw rod 5 remove downwards, the top contact of backing plate 9 and PCB board, then spring 8 progressively compresses tightly, thereby with the firm fixed of PCB board, and can not harm PCB board upper surface, just so fix the PCB board firm, inspection operation can be accomplished through handle hole 11 of top, the PCB board is fixed in fixed slot 3, roof 2 and the bracing piece 10 of top protect in addition, the PCB board can not receive external force when detecting and destroy.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 PCB board fixing device convenient to PCB board detects, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is rectangular and is provided with four groups of supporting rods (10), a top plate (2) is connected between the tops of the four groups of supporting rods (10) through screws, a fixing groove (3) is formed in the middle of the upper surface of the bottom plate (1), the fixing groove (3) is located between the supporting rods (10) on the left side and the right side, a rubber pad (4) is bonded to the bottom of the fixing groove (3), an operating hole (11) is formed in the middle of the body of the top plate (2), two screw holes are formed in the body of the top plate (2) and are respectively located on the left side and the right side of the operating hole (11), a screw rod (5) is screwed in the screw holes, the top of the screw rod (5) is connected with a knob (6) through screws, a connecting piece (7) is fixedly sleeved on the outer wall of the middle, and spring (8) cup joints on the outer wall of screw rod (5), the bottom of spring (8) extends to the below of screw rod (5), there is backing plate (9) bottom of spring (8) through screwed connection, and backing plate (9) are located the top of fixed slot (3).

2. The PCB fixing device for facilitating PCB inspection of claim 1, wherein: the top angles of the bottom plate (1) and the top plate (2) are both of a round angle structure.

3. The PCB fixing device for facilitating PCB inspection of claim 1, wherein: the top of the rubber pad (4) is carved with anti-skidding lines.

4. The PCB fixing device for facilitating PCB inspection of claim 1, wherein: the outer wall of the knob (6) is sleeved with a rubber film.

5. The PCB fixing device for facilitating PCB inspection of claim 1, wherein: the outer edge of the bottom plate (1) body is uniformly provided with connecting holes (12).

6. The PCB fixing device for facilitating PCB inspection of claim 1, wherein: the height value of the fixing groove (3) is 8-10mm, and the thickness value of the rubber pad (4) is 2-4 mm.