CN212786096U

CN212786096U - Clamping structure for PCB

Info

Publication number: CN212786096U
Application number: CN202021895315.4U
Authority: CN
Inventors: 吴莉莉
Original assignee: Nippon (boluo) Electronics Co ltd
Current assignee: Nippon (boluo) Electronics Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-23
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a clamping structure for PCB board, which belongs to the PCB board field, and comprises a base, wherein the position of the top of the base near the front side is fixedly connected with a fixed station, the fixed station is articulated with a first fixed plate, the bottom side of the fixed station is fixedly connected with a friction pad, the positions of the inner wall of the rear side of the base near the left side and the right side are respectively provided with a rotary groove, the inner wall of the bottom side of the rotary groove is respectively and rotatably connected with a screw rod, the position of the outer wall of the screw rod near the top end is respectively and fixedly connected with a turbine, the right side of the base is fixedly and rotatably connected with a rotating shaft, the left end of the rotating shaft penetrates through the two rotary grooves and is rotatably connected with the left inner wall of the rotary groove, the position of the rotating shaft positioned inside the two rotary grooves is respectively and fixedly connected with a gear, which can realize that when the, touch the PCB board, and then lead to the welding mistake to and the long-time low head welding of welding personnel causes the discomfort to the neck.

Description

Clamping structure for PCB

Technical Field

The utility model relates to a PCB board field, more specifically say, relate to a press from both sides tight structure for PCB board.

Background

Printed circuit board (Printed circuit boards), also known as Printed circuit board, be electronic components electrical connection's provider, when carrying out the welding of PCB board at present, all adopt machine welding or manual welding, at manual welding's in-process, often directly place the PCB board on the desktop, on the one hand because do not fix very easily at the welded in-process, touch the PCB board, and then lead to welding error, the unable angle of adjustment of on the other hand PCB board, need the long-time low-head welding of welding personnel, make the welding personnel neck very uncomfortable.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a press from both sides tight structure for PCB board, it can realize, through the PCB board clamp structure that can angle regulation, when avoiding welding, touch the PCB board, and then lead to welding mistake to and the long-time low head welding of welding personnel, cause the discomfort to the neck.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a press from both sides tight structure for PCB board, includes the base, the position fixedly connected with fixed station that the base top is close to the front side, the fixed station articulates there is first fixed plate, fixed station bottom side fixedly connected with friction pad, the position that base rear side inner wall is close to left side and right side has all seted up the turn trough, two the turn trough bottom side inner wall all rotates and is connected with the lead screw, two the equal fixedly connected with turbine in position that the lead screw outer wall is close to the top.

Further, base right side fixed rotation is connected with the pivot, the left end of pivot run through two rotary troughs and rotate with the left side inner wall in left position rotary trough and be connected, the pivot is located the equal fixedly connected with gear in position of two rotary troughs insides, gear and turbine meshing.

Further, the position fixedly connected with U-shaped support column that base rear side inner wall is close to the top, the both ends of U-shaped support column articulate jointly has the second fixed plate, the structure that sets up on the first fixed plate is the same with the structure that sets up on the second fixed plate.

Furthermore, the positions, close to the left side and the right side, of the front side of the second fixing plate are provided with sliding grooves, the inner wall of the bottom side of each sliding groove is fixedly connected with a spring, the insides of the two sliding grooves are slidably connected with U-shaped clamping columns, and the top ends of the springs are fixedly connected with the bottom sides of the U-shaped clamping columns.

Further, the screw rod is in threaded connection with a threaded pipe, the outer wall of the threaded pipe is hinged to a connecting rod, and the top end of the connecting rod is hinged to the position, close to the top, of the rear side of the second fixing plate.

Furthermore, the inner wall of the front side of the U-shaped clamping column is fixedly connected with clamping springs which are evenly distributed, and the rear ends of the clamping springs are fixedly connected with clamping plates.

3. Advantageous effects

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

(1) when this scheme is used, with the chucking of the chucking board on PCB board through first fixed plate and the second fixed plate under the effect of chucking spring, then rotate the pivot, the pivot passes through the gear and drives the turbine rotation, the turbine drives the lead screw and rotates, the lead screw rotates and makes the screwed pipe rise or descend, the screwed pipe area connecting rod rises or descends, the connecting rod can make the second fixed plate change the angle with second fixed plate articulated one end, the angle that makes the PCB board through the angle that changes the second fixed plate like this changes, and under the effect of base self weight and friction pad and desktop friction, the PCB board is difficult for taking place to change by touching back position, thereby reach when avoiding welding, touch the PCB board, and then lead to the welding mistake, and the long-time low-head welding of welding personnel, cause the discomfort to the neck.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is a schematic side view of the embodiment of FIG. 1;

fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 4 according to the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a fixed table; 3. a first fixing plate; 4. a friction pad; 5. rotating the groove; 6. a screw rod; 7. a turbine; 8. a rotating shaft; 9. a gear; 10. a U-shaped support column; 11. a second fixing plate; 12. a chute; 13. a spring; 14. a U-shaped clamping column; 15. a threaded pipe; 16. a connecting rod; 17. a chucking spring; 18. and (4) clamping the plate.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-5, a clamping structure for a PCB comprises a base 1, a fixed table 2 fixedly connected to a position of the top of the base 1 near the front side, a first fixed plate 3 hinged to the fixed table 2, a friction pad 4 fixedly connected to the bottom side of the fixed table 2, rotary grooves 5 formed in positions of the inner wall of the rear side of the base 1 near the left side and the right side, lead screws 6 rotatably connected to inner walls of the bottom sides of the two rotary grooves 5, and turbines 7 fixedly connected to positions of outer walls of the two lead screws 6 near the top end.

Referring to fig. 2, 1 right side fixed rotation of base is connected with pivot 8, the right-hand member fixedly connected with handle of pivot 8, the left end of pivot 8 runs through two rotary tanks 5 and rotates with the left side inner wall of left position rotary tank 5 and be connected, pivot 8 is located the equal fixedly connected with gear 9 in the inside position of two rotary tanks 5, gear 9 and turbine 7 meshing, pivot 8 can drive turbine 7 through gear 9 and rotate, turbine 7 drives lead screw 6 and rotates, lead screw 6 rotates and makes screwed pipe 15 rise or descend, screwed pipe 15 drives connecting rod 16 and rises or descend, and then change the angle of second fixed plate 11, avoid the long-time low head welding of welding personnel, cause the discomfort to the neck.

Referring to fig. 2, the position of the inner wall of the rear side of the base 1 near the top is fixedly connected with a U-shaped supporting column 10, two ends of the U-shaped supporting column 10 are hinged to a second fixing plate 11, the structure arranged on the first fixing plate 3 is the same as the structure arranged on the second fixing plate 11, and the first fixing plate 3 and the second fixing plate 11 are convenient to fix the PCB together.

Referring to fig. 2, sliding grooves 12 are formed in positions, close to the left side and the right side, of the front side of the second fixing plate 11, springs 13 are fixedly connected to inner walls of the bottom sides of the sliding grooves 12, U-shaped clamping columns 14 are slidably connected to the inner portions of the two sliding grooves 12, the top ends of the springs 13 are fixedly connected to the bottom sides of the U-shaped clamping columns 14, and the U-shaped clamping columns 14 can be fixed to PCBs of different sizes under the cooperation of the springs 13.

Referring to fig. 2, the threaded pipe 15 is connected to the screw rod 6 in a threaded manner, the outer wall of the threaded pipe 15 is hinged to the connecting rod 16, the top end of the connecting rod 16 is hinged to the position, close to the top, of the rear side of the second fixing plate 11, the connecting rod 16 is driven to ascend or descend through ascending or descending of the threaded pipe 15, the angle of the second fixing plate 11 is changed, welding personnel is prevented from welding for a long time in a low head mode, and discomfort is caused to the neck.

Referring to fig. 5, the inner wall of the front side of the U-shaped clamping column 14 is fixedly connected with evenly distributed clamping springs 17, the rear end of each clamping spring 17 is fixedly connected with a clamping plate 18, and the clamping plate 18 can clamp the PCB under the action of the clamping springs 17, so that the position of the PCB can be conveniently fixed.

When in use: respectively stretching the distance between the U-shaped clamping columns 14 on the first fixing plate 3 and the second fixing plate 11 according to the size of the PCB, clamping the PCB under a clamping plate 18 on the U-shaped clamping column 14, then rotating the rotating shaft 8, driving the turbine 7 to rotate by the rotating shaft 8 through the gear 9, driving the screw rod 6 to rotate by the turbine 7, enabling the threaded pipe 15 to ascend or descend by the rotation of the screw rod 6, enabling the connecting rod 16 to ascend or descend by the threaded pipe 15, enabling the second fixing plate 11 to change the angle by the hinged end of the connecting rod 16 and the second fixing plate 11, enabling the angle of the PCB to change by changing the angle of the second fixing plate 11, enabling the position of the PCB after the PCB is touched to be difficult to change under the action of the self weight of the base 1 and the friction force between the friction pad 4 and the desktop, thereby avoiding the touch of the PCB during welding, further causing welding errors, and enabling welding personnel, causing discomfort to the neck.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A clamping structure for a PCB board, comprising a base (1), characterized in that: the base (1) top is close to position fixedly connected with fixed station (2) of front side, fixed station (2) articulate has first fixed plate (3), fixed station (2) bottom side fixedly connected with friction pad (4), rotary groove (5), two have all been seted up to base (1) rear side inner wall near the position on left side and right side rotary groove (5) bottom side inner wall all rotates and is connected with lead screw (6), two the equal fixedly connected with turbine (7) in position that lead screw (6) outer wall is close to the top.

2. A clamping structure for a PCB board according to claim 1, wherein: base (1) right side fixed rotation is connected with pivot (8), the left end of pivot (8) runs through two rotary slots (5) and rotates with the left side inner wall of left position rotary slot (5) to be connected, pivot (8) are located the equal fixedly connected with gear (9) in position of two rotary slots (5) inside, gear (9) and turbine (7) meshing.

3. A clamping structure for a PCB board according to claim 1, wherein: the base (1) rear side inner wall is close to position fixedly connected with U-shaped support column (10) at top, the both ends of U-shaped support column (10) articulate jointly has second fixed plate (11), the structure that sets up on first fixed plate (3) is the same with the structure that sets up on second fixed plate (11).

4. A clamping structure for a PCB board according to claim 3, wherein: sliding grooves (12) are formed in the positions, close to the left side and the right side, of the front side of the second fixing plate (11), springs (13) are fixedly connected to the inner wall of the bottom side of each sliding groove (12), U-shaped clamping columns (14) are slidably connected to the inner portions of the two sliding grooves (12), and the top ends of the springs (13) are fixedly connected with the bottom sides of the U-shaped clamping columns (14).

5. A clamping structure for a PCB board according to claim 4, wherein: the screw rod (6) is in threaded connection with a threaded pipe (15), the outer wall of the threaded pipe (15) is hinged to a connecting rod (16), and the top end of the connecting rod (16) is hinged to the position, close to the top, of the rear side of the second fixing plate (11).

6. A clamping structure for a PCB board according to claim 4, wherein: the clamping device is characterized in that clamping springs (17) which are uniformly distributed are fixedly connected to the inner wall of the front side of the U-shaped clamping column (14), and clamping plates (18) are fixedly connected to the rear ends of the clamping springs (17).