CN217283585U

CN217283585U - Circuit board fixing device

Info

Publication number: CN217283585U
Application number: CN202220084063.XU
Authority: CN
Inventors: 徐欢; 丘令华; 罗孔发; 邹焕村
Original assignee: Junda Electronics Co ltd
Current assignee: Junda Electronics Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-23
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a circuit board fixing device, which comprises a base frame, chassis inner wall bottom mounting is provided with the sleeve, the slip of sleeve top is provided with the connecting rod, the fixed roof that is provided with in connecting rod top, the roof bottom is rotated and is provided with the support frame, the support frame bottom is rotated and is set up in chassis inner wall bottom, support frame one side is rotated and is provided with the telescopic link, the telescopic link bottom is rotated and is set up in chassis inner wall bottom, the slip of roof top is provided with the ejector pin, the fixed rail that is provided with in chassis top, the slip of rail both sides is provided with the slide bar, the equal fixed wheel carrier that is provided with of one end that the slide bar is close to each other, all rotate in the wheel carrier and be provided with the extrusion wheel, the one end that the slide bar is close to each other all overlaps and is established and is connected with the extrusion spring. The utility model discloses effectual guard action to the circuit board plays, and fixed effect is stable, avoids the circuit board to shelter from, the circuit board processing of being convenient for.

Description

Circuit board fixing device

Technical Field

The utility model relates to a circuit board processing technology field specifically is a circuit board fixing device.

Background

With the rapid development of electronic products, circuit boards are widely used, and the processing and manufacturing of circuit boards are developed vigorously.

When various electronic elements are installed on the circuit board, the circuit board needs to be fixed, the existing fixing structure is rigid, the circuit board is fixed by pressing down, so that the circuit of the circuit board is easy to damage, and the installation of the electronic elements is influenced by shielding part of the circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board fixing device 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 improved trolley is characterized by comprising a base frame, a sleeve is fixedly arranged at the bottom end of the inner wall of the base frame, a connecting rod is slidably arranged at the top end of the sleeve, a top plate is fixedly arranged at the top end of the connecting rod, a support frame is arranged at the bottom end of the inner wall of the base frame in a rotating mode, a telescopic rod is arranged at one side of the support frame in a rotating mode, the bottom end of the telescopic rod is rotatably arranged at the bottom end of the inner wall of the base frame, an ejector rod is slidably arranged at the top end of the top plate, a fence is fixedly arranged at the top end of the base frame, sliding rods are slidably arranged on two sides of the fence, a wheel carrier is fixedly arranged at one end, close to each other, of the wheel carrier is rotatably provided with an extrusion wheel, one end, close to each other, of each sliding rod is sleeved with an extrusion spring, and one end of the extrusion spring is fixedly provided with a sliding plate.

Preferably, one end of the extrusion spring is fixedly connected with the wheel carrier, the other end of the extrusion spring is fixedly connected with the sliding plate, a sliding block is fixedly arranged on one side of the sliding plate, and sliding grooves are formed in two sides of the inner wall of the fence corresponding to the sliding block.

Preferably, the bottom end of the inner wall of the bottom frame is fixedly provided with a limiting frame, and the limiting frame is located under each ejector rod.

Preferably, the top end of the top plate is provided with a slide hole, a damping rubber sleeve is fixedly arranged in the slide hole, the bottom end of the ejector rod penetrates through the damping rubber sleeve to abut against the limiting frame, and the top end of the underframe, corresponding to the ejector rod, is provided with a through hole.

Preferably, the guide hole has been seted up to rail one end corresponding the slide bar, the slide bar one end of keeping away from each other all runs through sliding plate and guide hole and is fixed and be provided with the stopper.

Preferably, the top ends of the ejector rods are fixedly provided with protective rubber pads.

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

1. the utility model discloses a place the circuit board on chassis top, block in the extrusion wheel, the extrusion spring promotes the wheel carrier, pressurizes the circuit board through the extrusion wheel and fixes, can slide the slide bar through the sliding plate according to the circuit board size simultaneously, adjusts the position of wheel carrier, thereby adjusts the extrusion position, simple structure, convenient to use, effectual plays the guard action to the circuit board, fixed effect is stable;

2. the utility model discloses still extend through the telescopic link simultaneously, through ejector pin jack-up roof, jack-up in with the circuit board from the rim of a wheel through the ejector pin, according to the ejector pin of the corresponding quantity of big or small rise of circuit board, unnecessary ejector pin can be blocked by the extrusion wheel, and when the roof descends again, can drive the ejector pin and descend, the ejector pin bottom is withstood by spacing, and the recovery normal position avoids the circuit board to shelter from, the circuit board processing of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of a circuit board fixing device of the present invention;

FIG. 2 is an enlarged schematic view of part A of FIG. 1;

fig. 3 is a schematic view of a top view structure of a circuit board fixing device of the present invention.

In the figure: 1. a chassis; 2. a sleeve; 3. a connecting rod; 4. a top plate; 5. a support frame; 6. a telescopic rod; 7. a top rod; 8. a fence; 9. a slide bar; 10. a wheel carrier; 11. an extrusion wheel; 12. a compression spring; 13. a sliding plate; 14. a limiting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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, the present invention provides a technical solution: including

chassis

1, 1 inner wall bottom mounting of chassis is provided with

sleeve

2, 2 tops of sleeve slide and are provided with connecting rod 3, 3 fixed roof 4 that are provided with in top of connecting rod, 4 bottoms of roof rotate and are provided with support frame 5, 5 bottoms of support frame rotate and set up in 1 inner wall bottom of chassis, 5 one sides of support frame rotate and are provided with

telescopic link

6, 6 bottoms of telescopic link rotate and set up in 1 inner wall bottom of chassis, 4 tops of roof slide and be provided with ejector pin 7, 1 tops of chassis are fixed and are provided with rail 8, rail 8 both sides slide and be provided with slide bar 9, the one end that slide bar 9 is close to each other is all fixed and is provided with wheel carrier 10, all rotate in the wheel carrier 10 and be provided with extrusion wheel 11, the one end that slide bar 9 is close to each other all overlaps and is established and is connected with extrusion spring 12, the fixed sliding plate 13 that is provided with in extrusion spring 12 one end.

One end of an extrusion spring 12 is fixedly connected with the wheel carrier 10, the other end of the extrusion spring is fixedly connected with a sliding plate 13, one side of the sliding plate 13 is fixedly provided with a sliding block, and two sides of the inner wall of the fence 8 are provided with sliding grooves corresponding to the sliding block; the bottom end of the inner wall of the underframe 1 is fixedly provided with a limiting frame 14, and the limiting frame 14 is positioned under each ejector rod 7; the top end of the top plate 4 is provided with a slide hole, a damping rubber sleeve is fixedly arranged in the slide hole, the bottom end of the ejector rod 7 penetrates through the damping rubber sleeve to abut against the limiting frame 14, and the top end of the underframe 1 is provided with a through hole corresponding to the ejector rod 7; one end of the fence 8 is provided with a guide hole corresponding to the slide rod 9, and the ends of the slide rods 9 which are far away from each other penetrate through the sliding plate 13 and the guide hole and are fixedly provided with limit blocks; the top ends of the push rods 7 are fixedly provided with protective rubber pads.

The working principle is as follows: when the utility model is used, a circuit board is placed on the top of the chassis 1 and clamped in the extrusion wheel 11, the extrusion spring 12 pushes the wheel carrier 10, the circuit board is pressurized and fixed through the extrusion wheel 11, meanwhile, the sliding rod 9 can be slid through the sliding plate 13 according to the size of the circuit board, the position of the wheel carrier 10 is adjusted, thereby the extrusion position is adjusted, after spot welding is completed, the telescopic rod 6 is extended, the top plate 4 is jacked up through the top rod 7, the circuit board is jacked up from the wheel carrier 10 through the top rod 7, the top rods 7 with corresponding quantity are raised according to the size of the circuit board, redundant top rods 7 can be blocked by the extrusion wheel 11, when the top plate 4 descends, the top rod 7 is driven to descend, the bottom end of the top rod 7 is jacked by the limiting frame 14, and the original position is restored, the utility model has the advantages of simple structure, convenient use and good use effect, effectively protects the circuit board, and the fixing effect is stable, avoid the circuit board to shelter from, the circuit board processing of being convenient for.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A circuit board fixing device comprises an underframe (1), and is characterized in that: the bottom of the inner wall of the chassis (1) is fixedly provided with a sleeve (2), the top of the sleeve (2) is provided with a connecting rod (3) in a sliding manner, the top of the connecting rod (3) is fixedly provided with a top plate (4), the bottom of the top plate (4) is provided with a supporting frame (5) in a rotating manner, the bottom of the supporting frame (5) is arranged at the bottom of the inner wall of the chassis (1) in a rotating manner, one side of the supporting frame (5) is provided with a telescopic rod (6) in a rotating manner, the bottom of the telescopic rod (6) is arranged at the bottom of the inner wall of the chassis (1) in a rotating manner, the top of the top plate (4) is provided with a push rod (7) in a sliding manner, the top of the chassis (1) is fixedly provided with a fence (8), two sides of the fence (8) are provided with sliding rods (9) in a sliding manner, one ends, which the sliding rods (9) are close to each other, are fixedly provided with wheel carriers (10), and extrusion wheels (11) are arranged in the wheel carriers (10) in a rotating manner, the sliding rod (9) is connected with an extrusion spring (12) in a sleeved mode at one end close to each other, and a sliding plate (13) is fixedly arranged at one end of the extrusion spring (12).

2. A circuit board mounting apparatus as defined in claim 1, wherein: one end of the extrusion spring (12) is fixedly connected with the wheel carrier (10), the other end of the extrusion spring is fixedly connected with the sliding plate (13), a sliding block is fixedly arranged on one side of the sliding plate (13), and sliding grooves are formed in two sides of the inner wall of the fence (8) and correspond to the sliding block.

3. A circuit board mounting apparatus as defined in claim 1, wherein: the bottom end of the inner wall of the bottom frame (1) is fixedly provided with a limiting frame (14), and the limiting frame (14) is located under each ejector rod (7).

4. A circuit board mounting apparatus as defined in claim 1, wherein: the top end of the top plate (4) is provided with a sliding hole, a damping rubber sleeve is fixedly arranged in the sliding hole, the bottom end of the ejector rod (7) penetrates through the damping rubber sleeve to abut against the limiting frame (14), and the top end of the bottom frame (1) is provided with a through hole corresponding to the ejector rod (7).

5. A circuit board mounting apparatus as claimed in claim 1, wherein: guide holes are formed in one end of the fence (8) corresponding to the sliding rod (9), and one end, far away from the sliding rod (9), of the sliding rod (13) penetrates through the guide holes and is fixedly provided with a limiting block.

6. A circuit board mounting apparatus as defined in claim 1, wherein: and protective rubber pads are fixedly arranged at the top ends of the ejector rods (7).