CN220173489U - PCB fixing jig - Google Patents

Abstract

The utility model relates to the field of circuit boards, in particular to a PCB fixing jig, which comprises a bottom plate, wherein a fixed seat is fixed on one side of the upper end of the bottom plate, a plurality of sliding rails are uniformly arranged on the bottom plate, a sliding plate is further arranged above the bottom plate, the sliding plate is in sliding connection with the sliding rails, a supporting plate is further arranged on the bottom plate between the sliding plate and the fixed seat, the supporting plate is in sliding connection with the sliding rails, a plurality of springs are further fixed between the supporting plate and the sliding plate, a positioning block is further arranged above the bottom plate, supporting shafts are respectively fixed at corresponding positions on the positioning block and the sliding plate, supporting rods are arranged on the supporting shafts on the sliding plate and are in rotary connection with the corresponding supporting shafts, positioning shafts are further fixed at the tail ends of the supporting rods, and positioning rods are further arranged on the supporting shafts of the positioning blocks. The device can meet the fixing requirements of circuit boards with different sizes.

Description

PCB fixing jig

[ field of technology ]

The utility model relates to the field of circuit boards, in particular to a PCB fixing jig.

[ background Art ]

The circuit board is divided into three major categories of single-sided board, double-sided board and multi-layer circuit board according to the number of layers, firstly, the single-sided board is adopted, on the most basic circuit board, the parts are concentrated on one side, and the wires are concentrated on the other side. Since the wires are present on only one side, such a wiring board is called a single-sided wiring board. Single-sided boards are generally simple to manufacture and low in cost, but have the disadvantage that they cannot be applied to products that are too complex, and double-sided boards are extensions of single-sided boards, which are used when single-layer wiring cannot meet the needs of electronic products. The multilayer board is a printed board which is formed by laminating more than three conductive pattern layers and insulating materials between the conductive pattern layers at intervals, and the conductive patterns are interconnected according to requirements, and the multilayer circuit board is a product of the development of electronic information technology to the high-speed, multifunctional, high-capacity, small-volume, thin and light-weight directions.

At present, a circuit board is a board for bearing an integrated circuit, however, for a jig for processing the circuit board, for example, patent application number: CN202123070172.0 discloses a fixing device for processing a PCB electronic circuit board, a fixing component is arranged on the whole device, when in use, fixing strips are connected to the left part of the upper end and the right part of the upper end of a connecting plate, clamping grooves are formed in the inner sides of the two fixing strips, and when the circuit board is processed, two sides of the circuit board are inserted into the corresponding clamping grooves to fix, but the fixing device cannot fix the circuit boards with different sizes, so that the applicability of the jig is reduced.

The utility model is researched and proposed for overcoming the defects of the prior art.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a PCB fixing jig.

The utility model can be realized by the following technical scheme:

the utility model discloses a PCB fixing jig, which comprises a bottom plate, wherein a fixed seat is fixed on one side of the upper end of the bottom plate, a plurality of sliding rails are uniformly arranged on the bottom plate, a sliding plate is further arranged above the bottom plate, the sliding plate is in sliding connection with the sliding rails, a supporting plate is further arranged on the bottom plate between the sliding plate and the fixed seat, the supporting plate is in sliding connection with the sliding rails, a plurality of springs are further fixed between the supporting plate and the sliding plate, a positioning block is further arranged above the bottom plate, supporting shafts are respectively fixed at corresponding positions on the positioning block and the sliding plate, supporting rods are arranged on the supporting shafts on the sliding plate, the supporting rods are in rotary connection with the corresponding supporting shafts, positioning shafts are further fixed at the tail ends of the supporting rods, positioning rods are further arranged on the supporting shafts of the positioning block, the positioning rods are in rotary connection with the supporting shafts at corresponding positions, the positioning shafts penetrate through the positioning rods and are in rotary connection with the positioning rods, and limit columns are respectively fixed on the sliding plate and the positioning block. According to the distance between the fixed circuit board adjustment locating piece and the fixing base of needs, fix the locating piece on the bottom plate suitable position, place circuit board one end on the fixing base, the circuit board other end is placed in the backup pad, promote the locating shaft, the bracing piece rotates around corresponding back shaft, and the locating lever also rotates around corresponding back shaft, the angle between locating lever and the bracing piece increases gradually, the slide is close to the fixing base and removes, slide extrusion spring, continue to promote the locating shaft after locating lever and bracing piece are sharp, the locating lever all leans on the spacing post of corresponding position with the bracing piece back release the locating shaft, the spring is compressed state, promote backup pad and fixing base extrusion circuit board through the spring, during processing, the circuit board can not remove, reverse promotion locating shaft after the processing, the slide returns to initial position, take off the circuit board, cyclic operation, the circuit board of different sizes can be fixed to when fixing different circuit boards, only need adjust the position of locating piece, can adapt to the circuit board fixed demand of different sizes.

Preferably, a supporting bar is also fixed on the supporting plate.

Preferably, the bottom plate is further provided with two rows of threaded holes penetrating through the bottom plate, the position, corresponding to the threaded holes, of the positioning block is further provided with positioning holes penetrating through the positioning block, and the positioning block is fixed with the bottom plate after penetrating through the positioning holes and the threaded holes through bolts.

Compared with the prior art, the utility model has the following advantages:

the device can fix circuit boards with different sizes, and when fixing different circuit boards, the position of the positioning block is only required to be adjusted, so that the device can adapt to the fixing requirements of the circuit boards with different sizes.

[ description of the drawings ]

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

in the figure: 1. a bottom plate; 2. a fixing seat; 3. a slide rail; 4. a slide plate; 5. a support plate; 6. a spring; 7. a support bar; 8. a threaded hole; 9. a positioning block; 10. a bolt; 11. a support shaft; 12. a support rod; 13. a positioning rod; 14. positioning a shaft; 15. a limit column;

[ detailed description ] of the utility model

Embodiments of the present utility model will be described in detail below with reference to the attached drawings:

example 1:

as shown in fig. 1 to 2, this embodiment discloses a PCB board fixing jig, which comprises a base plate 1, one side of the upper end of the base plate 1 is fixed with a fixing seat 2, a plurality of slide rails 3 are uniformly provided on the base plate 1, a slide plate 4 is further provided above the base plate 1, the slide plate 4 is in sliding connection with the slide rails 3, a support plate 5 is further provided on the base plate 1 between the slide plate 4 and the fixing seat 2, the support plate 5 is in sliding connection with the slide rail 3, a plurality of springs 6 are further fixed between the support plate 5 and the slide plate 4, a positioning block 9 is further provided above the base plate 1, support shafts 11 are respectively fixed at corresponding positions on the positioning block 9 and the slide plate 4, support rods 12 are respectively connected with the corresponding support shafts 11 in a rotating manner, positioning shafts 14 are respectively fixed at the tail ends of the support rods 12, positioning rods 13 are respectively provided on the support shafts 11 of the positioning block 9, the positioning shafts 13 are respectively connected with the support shafts 11 at corresponding positions in a rotating manner, the positioning shafts 14 pass through the positioning rods 13 and are respectively connected with the positioning rods 13 in a rotating manner, and the positioning blocks 4 and 9 are respectively fixed with a limiting column 15. According to the distance between the circuit board adjusting locating block 9 and the fixed seat 2 that needs to be fixed, fix the locating block 9 on the proper position on the bottom plate 1, place circuit board one end on the fixed seat 2, the circuit board other end is placed on the backup pad 5, promote the locating shaft 14, bracing piece 12 rotates around corresponding back shaft 11, and locating lever 13 also rotates around corresponding back shaft 11, the angle between locating lever 13 and the bracing piece 12 increases gradually, slide 4 is close to the fixed seat 2 and removes, slide 4 extrudes spring 6, locating lever 13 and bracing piece 12 continue to promote locating shaft 14 after being sharp, locating lever 13 and bracing piece 12 are all loosen locating shaft 14 after leaning on spacing post 15 of corresponding position, spring 6 is compressed state, promote backup pad 5 and fixed seat 2 extrusion circuit board through spring 6, during the processing, the circuit board can not remove, back promotes locating shaft 14 after the processing, slide 4 gets back to the initial position, take off the circuit board, cyclic operation, the circuit board of different sizes can be fixed, and when fixing different circuit boards, only need adjust the position of locating block 9, the circuit board fixing demand of different sizes.

Wherein, the supporting plate 5 is also fixed with a supporting bar 7.

Example 2:

the embodiment discloses fixed tool of PCB board, on the basis of embodiment 1 structure and principle, still be provided with two rows of screw holes 8 that run through bottom plate 1 on bottom plate 1 of this embodiment, still be provided with the locating hole that runs through locating piece 9 on the locating piece 9 with screw hole 8 position corresponding, locating piece 9 passes locating hole and screw hole 8 through bolt 10 after fixed with bottom plate 1. The fixed position of the adjusting positioning block can be realized, so that the fixed requirements of the PCB with different sizes are further met.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the technical principles of the present utility model, and such changes, modifications, substitutions and alterations are also to be regarded as the scope of the utility model.

Claims (2)

1. A PCB fixing jig comprises a bottom plate and is characterized in that: the positioning device comprises a base plate, a positioning rod and a limiting post, wherein a fixed seat is fixed on one side of the upper end of the base plate, a plurality of sliding rails are uniformly arranged on the base plate, the base plate is further provided with a sliding plate above the base plate, the sliding plate is in sliding connection with the sliding rails, a supporting plate is further arranged on the base plate between the sliding plate and the fixed seat, the supporting plate is in sliding connection with the sliding rail, a plurality of springs are further fixed between the supporting plate and the sliding plate, a supporting shaft is fixedly arranged at the corresponding position on the positioning block and the sliding plate, a supporting rod is arranged on the supporting shaft on the sliding plate, the supporting rod is in rotary connection with the corresponding supporting shaft, the positioning rod is further fixedly arranged on the supporting shaft of the positioning rod, the positioning rod passes through the positioning rod and is in rotary connection with the positioning rod, and limiting posts are fixedly arranged on the sliding plate and the positioning block;

the bottom plate is also provided with two rows of threaded holes penetrating through the bottom plate, the position, corresponding to the threaded holes, of the positioning block is also provided with positioning holes penetrating through the positioning block, and the positioning block is fixed with the bottom plate after penetrating through the positioning holes and the threaded holes through bolts.

2. The PCB board fixing jig according to claim 1, wherein: and a supporting bar is also fixed on the supporting plate.