CN211681679U

CN211681679U - Novel high temperature resistant anti-drop PCB board anchor clamps

Info

Publication number: CN211681679U
Application number: CN201922219231.2U
Authority: CN
Inventors: 陈育彩
Original assignee: Wuhan Zhongshang Electronic Technology Co ltd
Current assignee: Wuhan Zhongshang Electronic Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-10-16
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a novel high temperature resistant anti-drop PCB board anchor clamps, including the installation frame, the equal fixedly connected with supporting shoe of four inboard corners of installation frame, the top of supporting shoe has the slide bar that is the shape of falling T structure that runs through the supporting shoe to inlay, the top fixedly connected with extrusion piece of slide bar. The utility model discloses in, at first, accomplish the fixed centre gripping to the PCB board through the downward extrusion slide, through outside pulling pull rod, make the slide upwards slide under the second reset spring effect, thereby accomplish the centre gripping dismantlement to PCB, the convenience of dismantling the PCB board centre gripping installation has been promoted from this, secondly, inner wall through the installation frame carries on spacingly to PCB board horizontal direction, prevent PCB board horizontal direction slippage, processing finishes the back, upwards extrude the piece through the extrusion, make the PCB board upwards extrude the inboard of installation frame, be convenient for take out the PCB board, thereby the fixity ability to the PCB board and the convenience of taking have been promoted.

Description

Novel high temperature resistant anti-drop PCB board anchor clamps

Technical Field

The utility model relates to a PCB board processing technology field especially relates to a novel high temperature resistant anti-drop PCB board anchor clamps.

Background

The PCB is mainly designed in a layout mode, the main advantages of the circuit board are adopted, wiring and assembling errors are greatly reduced, and the automation level and the production labor rate are improved. Can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer circuit boards according to the number of the layers of the circuit board

The existing clamp for processing the PCB is used for fixing the PCB on the inner side of the clamp through the fixing screw, although the stability is high, the mounting and dismounting modes of screwing the screw are troublesome and laborious, and the problem of poor convenience in mounting and dismounting exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the novel high-temperature-resistant anti-drop PCB clamp is provided for solving the problem of poor convenience in installation and disassembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel high temperature resistant anti-drop PCB board anchor clamps, includes the installation frame, the equal fixedly connected with supporting shoe of four inboard corners of installation frame, the top slip of supporting shoe has the slide bar that is the shape of falling T structure that runs through the supporting shoe, the top fixedly connected with extrusion piece of slide bar, the surface of slide bar is located and overlaps between extrusion piece and the supporting shoe and is equipped with the extrusion spring, the equal fixedly connected with backup pad in top both sides of installation frame, the spout has been seted up to the inside of backup pad, the inboard slip of spout has the slide that runs through the backup pad, the side end face fixedly connected with of slide is the depression bar of the shape of falling L structure, and the vertical end bottom fixedly connected with briquetting of depression bar, second reset spring and backup pad elastic connection are.

As a further description of the above technical solution:

the side end face of the supporting plate is provided with a limiting sleeve, and a pull rod penetrating through the supporting plate is embedded in the side end face of the limiting sleeve in a sliding mode.

As a further description of the above technical solution:

the side end face of the pull rod is fixedly connected with a limiting block.

As a further description of the above technical solution:

a first return spring is sleeved on the outer surface of the pull rod between the limiting block and the limiting sleeve.

As a further description of the above technical solution:

one side of the sliding plate close to the limiting block is provided with a limiting groove matched with the limiting block for use.

As a further description of the above technical solution:

the top fixedly connected with second silica gel pad of extrusion piece, the bottom fixedly connected with first silica gel pad of briquetting.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, the PCB is placed at the inner side of the installation frame, so that four corners at the bottom of the PCB are positioned at the top of the second silica gel pad, the slide bar drives the press bar by pressing the slide bar downwards, the press block and the first silica gel pad move downwards, the PCB is clamped between the first silica gel pad and the second silica gel pad, the limiting block is pressed by the slide plate to slide outwards, the slide plate is continuously slid until the limiting groove is aligned with the limiting block, the limiting block is pressed to the inner side of the limiting groove under the action of the first reset spring so as to fix the slide plate, thereby fixing and clamping the PCB are completed, the limiting block is embedded out of the inner side of the limiting groove by pulling the pull bar outwards, the slide plate moves upwards under the action of the second reset spring, thereby completing the clamping and dismounting of the PCB, the fixing and clamping of the PCB are completed by pressing the slide plate downwards, through outwards pulling the pull rod for the slide upwards slides under the effect of second reset spring, thereby accomplishes the centre gripping dismantlement to PCB, has promoted the convenience of dismantling PCB board centre gripping installation from this.

2. The utility model discloses in, inner wall through the installation frame carries on spacingly to PCB board horizontal direction, prevent PCB board horizontal direction slippage, extrude the centre gripping through briquetting and extrusion piece to four corners of PCB board, thereby reduce the area fixed to the PCB board, thereby be convenient for to the processing of PCB board, processing finishes the back, upwards extrude the extrusion piece through the extrusion spring, make the PCB board upwards extrude the inboard of installation frame, be convenient for take out the PCB board after processing finishes, thereby the fixity ability to the PCB board and the convenience of taking have been promoted.

Drawings

Fig. 1 shows a schematic structural diagram of a novel high-temperature-resistant anti-drop PCB clamp provided according to an embodiment of the present invention;

fig. 2 shows a schematic view from above according to the present invention;

fig. 3 shows a schematic view of a cross-sectional view according to the invention.

Illustration of the drawings:

1. a mounting frame; 2. a support plate; 3. a slide plate; 4. a pressure lever; 5. briquetting; 6. a first silica gel pad; 7. a limiting sleeve; 8. a pull rod; 9. a slide bar; 10. a support block; 11. a second silica gel pad; 12. extruding the block; 13. a compression spring; 14. a chute; 15. a limiting block; 16. a first return spring; 17. a limiting groove; 18. a second return spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel high-temperature-resistant anti-drop PCB clamp comprises an installation frame 1, four corners of the inner side of the installation frame 1 are fixedly connected with supporting blocks 10, a sliding rod 9 which penetrates through the supporting blocks 10 and is of an inverted T-shaped structure is embedded in the top of each supporting block 10 in a sliding manner, an extrusion block 12 is fixedly connected to the top of each sliding rod 9, an extrusion spring 13 is sleeved on the outer surface of each sliding rod 9 between the extrusion block 12 and the corresponding supporting block 10, supporting plates 2 are fixedly connected to two sides of the top of the installation frame 1, a sliding groove 14 is formed in each supporting plate 2, a sliding plate 3 which penetrates through the corresponding supporting plate 2 is slid on the inner side of the corresponding sliding groove 14, a pressing rod 4 which is of an inverted L-shaped structure is fixedly connected to the side end face of each sliding plate 3, a pressing block 5 is fixedly connected to the bottom of the vertical end of each pressing rod, through the slide 3 that slides down, drive depression bar 4 and briquetting 5 downstream to extrude the PCB board downwards, make extrusion spring 13 shrink, and the PCB board cunning inlays to the inboard of installation frame 1, will upwards extrude the briquetting 12 through extrusion spring 13, thereby make the PCB board centre gripping between briquetting 5 and extrusion piece 12, carry on spacingly to PCB board horizontal direction through the inner wall of installation frame 1.

Specifically, as shown in fig. 3, a limiting sleeve 7 is installed on the side end face of the supporting plate 2, a pull rod 8 penetrating through the supporting plate 2 is embedded in the side end face of the limiting sleeve 7 in a sliding mode, a limiting block 15 is fixedly connected to the side end face of the pull rod 8, a first return spring 16 is sleeved on the outer surface of the pull rod 8 between the limiting block 15 and the limiting sleeve 7, a limiting groove 17 matched with the limiting block 15 is formed in one side, close to the limiting block 15, of the sliding plate 3, the top of the side end face of the limiting block 15 is of an arc-shaped surface structure, the limiting block 15 is downwards extruded through the sliding plate 3, the limiting block 15 and the pull rod 8 are outwards extruded, meanwhile, the first return spring 16 contracts, when the sliding plate 3 continuously slides downwards until the limiting groove 17 and the limiting block 15 are aligned, the limiting block 15 is extruded to the.

Specifically, as shown in fig. 3, the top fixedly connected with second silica gel pad 11 of extrusion piece 12, the first silica gel pad 6 of bottom fixedly connected with of briquetting 5 through the setting of first silica gel pad 6 and second silica gel pad 11, cause the damage to the PCB during preventing the centre gripping to the silica gel material has good high temperature resistance, adds man-hour in heating to the PCB, can not lead to the damage of first silica gel pad 6 and second silica gel pad 11.

The working principle is as follows: when the PCB fixing device is used, four corners at the bottom of the PCB are placed above four groups of second silica gel pads 11, the pressing rod 4, the pressing block 5 and the first silica gel pad 6 are driven to move downwards by sliding the sliding plate 3 downwards, the PCB is pressed downwards by the first silica gel pad 6, the pressing spring 13 is contracted, the PCB is embedded to the inner side of the installation frame 1 in a sliding manner, the pressing block 12 and the second silica gel pad 11 are pressed upwards by the pressing spring 13, so that the PCB is clamped between the first silica gel pad 6 and the second silica gel pad 11, the horizontal direction of the PCB is limited by the inner wall of the installation frame 1, the limiting block 15 and the pull rod 8 are pressed outwards by downwards pressing the limiting block 15 by the sliding plate 3, meanwhile, the first return spring 16 is contracted, when the sliding plate 3 continues to slide downwards until the limiting groove 17 is aligned with the limiting block 15, the limiting block 15 is pressed to the inner side of the limiting groove 17 under the action of the first return spring 16, thereby fix slide 3, accomplished the centre gripping to the PCB board from this, when the centre gripping was dismantled, through outside pulling pull rod 8, make stopper 15 slide and inlay the inboard of spacing groove 17, at this moment, slide 3 upwards slides under second reset spring 18's effect, thereby depression bar 4, briquetting 5 and first silica gel pad 6 rebound, thereby make PCB board top lose spacingly, and simultaneously, extrusion piece 12 upwards moves under first reset spring 16's effect, thereby drive the inboard of PCB board slide and inlay installation frame 1, the centre gripping dismantlement to the PCB board has been accomplished from this.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel high temperature resistant anti-drop PCB board anchor clamps, includes installation frame (1), its characterized in that, the equal fixedly connected with supporting shoe (10) in four inboard corners of installation frame (1), the top slip of supporting shoe (10) has been inlayed and is the slide bar (9) of falling T shape structure through supporting shoe (10), the top fixedly connected with extrusion piece (12) of slide bar (9), the surface of slide bar (9) is located and is equipped with extrusion spring (13) between extrusion piece (12) and supporting shoe (10), the equal fixedly connected with backup pad (2) in top both sides of installation frame (1), spout (14) have been seted up to the inside of backup pad (2), the inboard slip of spout (14) has slide (3) of running through backup pad (2), the side end face fixedly connected with of slide (3) is depression bar (4) of falling L shape structure, and the bottom of the vertical end of the pressure lever (4) is fixedly connected with a pressing block (5), and the bottom of the sliding plate (3) is elastically connected with the supporting plate (2) through a second return spring (18).

2. The novel high-temperature-resistant anti-drop PCB clamp as claimed in claim 1, wherein a limit sleeve (7) is installed on the side end surface of the support plate (2), and a pull rod (8) penetrating through the support plate (2) is slidably embedded on the side end surface of the limit sleeve (7).

3. The novel high-temperature-resistant anti-drop PCB clamp as claimed in claim 2, wherein a limit block (15) is fixedly connected to a side end face of the pull rod (8).

4. The novel high-temperature-resistant anti-drop PCB clamp as claimed in claim 3, wherein a first return spring (16) is sleeved on the outer surface of the pull rod (8) between the limiting block (15) and the limiting sleeve (7).

5. The novel high-temperature-resistant anti-drop PCB clamp as claimed in claim 3, wherein a limiting groove (17) matched with the limiting block (15) is formed at one side of the sliding plate (3) close to the limiting block (15).

6. The novel high-temperature-resistant anti-drop PCB clamp as claimed in claim 1, wherein a second silicone rubber pad (11) is fixedly connected to the top of the extrusion block (12), and a first silicone rubber pad (6) is fixedly connected to the bottom of the pressing block (5).