CN218658654U

CN218658654U - Positioning tool for maintaining PCB (printed circuit board)

Info

Publication number: CN218658654U
Application number: CN202223258160.5U
Authority: CN
Inventors: 邵海英; 李海丽
Original assignee: Shenzhen Tianyou Electronic Circuit Design And Manufacturing Co ltd
Current assignee: Shenzhen Tianyou Electronic Circuit Design And Manufacturing Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-21
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a positioning tool for maintaining a PCB (printed circuit board), which comprises a bottom plate, wherein an adjusting mechanism is arranged in the middle of the bottom plate, a clamping mechanism is arranged on the upper part of the adjusting mechanism, a driving mechanism is arranged on one side of the adjusting mechanism, and the driving mechanism is arranged on one side of the bottom plate; the clamping mechanism comprises a sleeve, a buffering assembly and a sealing ring, and the sealing ring is fixedly connected to the periphery of the upper portion of the buffering assembly. A PCB electronic circuit board maintenance is with location frock, through the feedback of hand, can control the dynamics of fixture side centre gripping, carry out the buffering of certain degree to the centre gripping process through the buffering subassembly, effectual protection PCB electronic circuit board, can adjust fixture's both sides distance through operation actuating mechanism, through the air pump, can control the centre gripping thickness on upper portion, can carry out the centre gripping to the PCB electronic circuit board of different specifications to the centre gripping is firm, is convenient for maintain PCB electronic circuit board.

Description

Positioning tool for maintaining PCB (printed circuit board)

Technical Field

The utility model relates to a PCB electronic circuit board maintenance technical field, in particular to PCB electronic circuit board maintenance is with location frock.

Background

The PCB electronic circuit board is also called as a printed circuit board or a printed circuit board, is a provider for electrical connection of electronic components, and has been developed for over 100 years; the design of the method is mainly layout design; the main advantages of the circuit board are that the errors of wiring and assembly are greatly reduced, the automation level and the production labor rate are improved, the PCB electronic circuit board is easy to break down after long service life, the PCB electronic circuit board needs to be maintained for this reason, most of the PCB electronic circuit board can use the positioning tool when being maintained, the PCB electronic circuit board is clamped and fixed through the positioning tool, the PCB electronic circuit board is prevented from moving, the PCB electronic circuit board is convenient to be maintained by equipment such as electric irons, elements are replaced, the traditional positioning tool for maintaining the PCB electronic circuit board is short of a buffer device, most of the clamping mechanisms on the positioning tool are rigid clamping, the clamping force is large and violent, certain damage is easily caused to the PCB electronic circuit board, the clamping mechanisms of most of the positioning tool are generally two simple clamps, the PCB electronic circuit board is clamped from two sides, but the position of the PCB electronic circuit board cannot be adjusted, the PCB electronic circuit board can only be clamped according to a specific specification, and the clamping is not tight due to insufficient elasticity of a spring, and the PCB electronic circuit board is inconvenient to be maintained.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a PCB electronic circuit board maintenance is with location frock can effectively solve the problem in the background art.

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

a positioning tool for maintaining a PCB (printed circuit board) electronic circuit board comprises a bottom plate, wherein an adjusting mechanism is arranged in the middle of the bottom plate, a clamping mechanism is arranged on the upper portion of the adjusting mechanism, a driving mechanism is arranged on one side of the adjusting mechanism, and the driving mechanism is arranged on one side of the bottom plate;

fixture includes sleeve pipe, buffering subassembly and sealing washer, sealing washer fixed connection is in buffering subassembly upper portion periphery, buffering subassembly sliding connection is at the intraductal portion of cover, sleeve pipe middle part fixed connection is on adjustment mechanism's upper portion.

Preferably, the adjusting mechanism comprises two limiting grooves, two supporting blocks, two moving blocks and a double-head different-pattern threaded rod, the lower portions of the two moving blocks are in threaded connection with the periphery of the double-head different-pattern threaded rod, the two ends of the double-head different-pattern threaded rod are connected to the inner sides of the supporting blocks in a rotating mode, a driving mechanism is arranged inside one of the supporting blocks and is connected with the double-head different-pattern threaded rod, the upper ends of the supporting blocks are fixedly connected to the lower portion of the bottom plate, the middle portions of the moving blocks are connected to the inner portions of the limiting grooves in a sliding mode, and the limiting grooves are formed in the left side and the right side of the middle portion of the bottom plate.

Preferably, the first and second liquid crystal materials are, the middle part of the sleeve is fixedly connected to the upper part of the moving block.

Preferably, actuating mechanism includes knob, bracing piece, worm and worm wheel, worm wheel middle part fixed connection is in double-end different lines threaded rod one end, worm wheel and worm meshing, worm middle part fixed connection is in the bracing piece periphery, the bracing piece lower extreme rotates the interior diapire of joint support piece, bracing piece upper portion runs through supporting shoe upper portion wall shell and fixed connection at the middle part of knob.

Preferably, the buffering subassembly includes branch, cavity, connecting rod, clamp plate and spring, clamp plate upside fixed connection is at the connecting rod lower extreme, connecting rod upper end sliding connection is inside the cavity, the spring sets up in the cavity between roof and the connecting rod upside, the cavity is seted up in the branch lower part, branch upper portion sliding connection is inside the sleeve pipe.

Preferably, the lower part of the pressing plate is fixedly connected with a rubber pad.

Compared with the prior art, the method has the advantages that, the utility model discloses following beneficial effect has:

1. through operation actuating mechanism, then through the feedback of hand, can control the dynamics of fixture side centre gripping, carry out the buffering of certain degree to the centre gripping process through buffering subassembly simultaneously, prevent that pressure is too big, damage PCB electronic circuit board, effectual protection PCB electronic circuit board.

2. The distance between the two sides of the clamping mechanism can be adjusted by operating the driving mechanism, the clamping thickness of the upper part can be controlled by the air pump, the clamping range can be adjusted, the PCB electronic circuit boards with different specifications can be clamped, and the clamping is firm, so that the PCB electronic circuit boards can be maintained conveniently.

Drawings

Fig. 1 is a schematic view of an upper side three-dimensional structure of a positioning tool for maintaining a PCB of the present invention;

fig. 2 is a schematic view of a lower side three-dimensional structure of the positioning tool for maintaining the PCB of the present invention;

fig. 3 is a schematic structural view of a clamping mechanism of a positioning tool for maintaining a PCB of the present invention;

fig. 4 is a schematic structural view of a buffering assembly of the positioning tool for maintaining the PCB of the present invention;

fig. 5 is the utility model relates to a PCB electronic circuit board maintains with actuating mechanism schematic diagram of location frock.

In the figure: 1. a clamping mechanism; 101. a sleeve; 102. a buffer assembly; 1021. a strut; 1022. a cavity; 1023. a connecting rod; 1024. pressing a plate; 1025. a spring; 103. a seal ring; 2. an adjustment mechanism; 201. a limiting groove; 202. a supporting block; 203. a moving block; 204. a double-ended threaded rod with different threads; 3. a drive mechanism; 301. a knob; 302. a support bar; 303. a worm; 304. a worm gear; 4. a base plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a positioning tool for maintaining a PCB comprises a bottom plate 4, wherein an adjusting mechanism 2 is arranged in the middle of the bottom plate 4, a clamping mechanism 1 is arranged on the upper portion of the adjusting mechanism 2, a driving mechanism 3 is arranged on one side of the adjusting mechanism 2, and the driving mechanism 3 is arranged on one side of the bottom plate 4.

In this embodiment, the clamping mechanism 1 includes the sleeve 101, the buffer assembly 102 and the seal ring 103, the seal ring 103 is fixedly connected to the periphery of the upper portion of the buffer assembly 102, the buffer assembly 102 is slidably connected inside the sleeve 101, the middle portion of the sleeve 101 is fixedly connected to the upper portion of the adjusting mechanism 2, the adjusting mechanism 2 includes two limit grooves 201, two supporting blocks 202, two moving blocks 203 and a double-headed different-grain threaded rod 204, the lower portions of the two moving blocks 203 are all in threaded connection with the periphery of the double-headed different-grain threaded rod 204, both ends of the double-headed different-grain threaded rod 204 are all rotatably connected to the inner side of the supporting block 202, a driving mechanism 3 is arranged inside one of the supporting blocks 202, and the driving mechanism 3 is connected to the double-headed different-grain threaded rod 204, the upper end of the supporting block 202 is fixedly connected to the lower portion of the bottom plate 4, the middle portion of the sleeve 101 is fixedly connected to the upper portion of the moving block 203, the driving mechanism 3 includes a knob 301, a supporting rod 302, a worm 303 and a worm wheel 304, the middle portion of the worm wheel 304 is fixedly connected to one end of the double-headed different-grain threaded rod 204, the worm 304 is engaged with the periphery of the supporting rod 302, the supporting block 302, the worm wheel is fixedly connected to the periphery of the supporting block 302, the upper portion of the supporting block 302, and the worm wheel shell 301.

Specifically, firstly, the sleeve 101 is connected with an air pump, the buffer assembly 102 retracts or extends through air pumping and inflation of the air pump, the PCB electronic circuit board is placed in the middle of the bottom plate 4, then the knob 301 is rotated, the worm 303 drives the worm wheel 304 to rotate, further the supporting block 202 rotates, as the moving block 203 is limited by the limiting groove 201 and cannot rotate along with the double-head irregular thread rod 204, therefore, the moving block 203 can move towards the inner side simultaneously, preliminary clamping is carried out on the PCB electronic circuit board, and as the driving mechanism 3 is manual, the clamping force can be controlled through feedback of hands, excessive clamping cannot occur, the PCB electronic circuit board is damaged, then the sleeve 101 is inflated, the buffer assembly 102 extends out, the PCB electronic circuit board can be clamped from the upper portion, the PCB electronic circuit board can be clamped more firmly, the clamping range can be adjusted, the PCB electronic circuit boards of different specifications can be clamped, and maintenance of the PCB electronic circuit boards is facilitated.

In this embodiment, the buffering assembly 102 includes a supporting rod 1021, a cavity 1022, a connecting rod 1023, a pressing plate 1024 and a spring 1025, wherein the upper side of the pressing plate 1024 is fixedly connected to the lower end of the connecting rod 1023, the upper end of the connecting rod 1023 is slidably connected inside the cavity 1022, the spring 1025 is arranged between the upper wall of the cavity 1022 and the upper side of the connecting rod 1023, the cavity 1022 is arranged at the lower part of the supporting rod 1021, the upper part of the supporting rod 1021 is slidably connected inside the sleeve 101, and the lower part of the pressing plate 1024 is fixedly connected with a rubber pad.

Specifically, when the supporting rod 1021 extends out and is connected with the PCB, the spring 1025 is compressed, so that the pressing plate 1024 retracts into the cavity 1022, thereby buffering the clamping process of the buffering assembly 102 to a certain extent, preventing overlarge pressure from damaging the PCB, and effectively protecting the PCB.

The working principle is as follows:

firstly, the sleeve 101 is connected with an air pump, the buffer assembly 102 retracts or extends through air suction and inflation of the air pump, the PCB electronic circuit board is placed in the middle of the bottom plate 4, then the knob 301 is rotated, the worm 303 drives the worm wheel 304 to rotate, and further the supporting block 202 rotates, because the moving block 203 is limited by the limiting groove 201 and cannot rotate along with the double-head irregular thread rod 204, therefore, the moving block 203 can move inwards at the same time, so as to perform primary clamping on the PCB electronic circuit board, and because the driving mechanism 3 is manual, the clamping force can be controlled through feedback of hands, so that excessive clamping can not occur, the PCB electronic circuit board is damaged, then the sleeve 101 is inflated, so that the buffer assembly 102 extends out, so that the PCB electronic circuit board can be clamped from the upper part, the PCB electronic circuit board can be clamped more firmly, the clamping range can be adjusted, the PCB electronic circuit boards of different specifications can be clamped, maintenance of the PCB electronic circuit board is facilitated, when the supporting rod 1021 extends out and is connected with the PCB electronic circuit board, the spring 1025 can be compressed, so that the PCB 1024 retracts into the cavity, thereby performing a certain degree of buffer assembly 102, and preventing the buffer assembly from damaging, and effectively protecting the PCB 1022.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PCB electronic circuit board maintenance is with location frock, includes bottom plate (4), its characterized in that: an adjusting mechanism (2) is arranged in the middle of the bottom plate (4), a clamping mechanism (1) is arranged on the upper portion of the adjusting mechanism (2), a driving mechanism (3) is arranged on one side of the adjusting mechanism (2), and the driving mechanism (3) is arranged on one side of the bottom plate (4);

fixture (1) includes sleeve pipe (101), buffering subassembly (102) and sealing washer (103), sealing washer (103) fixed connection is in buffering subassembly (102) upper portion periphery, buffering subassembly (102) sliding connection is inside sleeve pipe (101), sleeve pipe (101) middle part fixed connection is on the upper portion of adjustment mechanism (2).

2. The PCB electronic circuit board maintenance of claim 1 is with location frock, its characterized in that: the adjusting mechanism (2) comprises two limiting grooves (201), two supporting blocks (202), two moving blocks (203) and a double-head different-pattern threaded rod (204), the lower portions of the two moving blocks (203) are in threaded connection with the periphery of the double-head different-pattern threaded rod (204), the left end and the right end of the double-head different-pattern threaded rod (204) are in rotary connection with the inner side of the supporting blocks (202), a driving mechanism (3) is arranged inside one of the supporting blocks (202), the driving mechanism (3) is connected with the double-head different-pattern threaded rod (204), the upper end of each supporting block (202) is fixedly connected with the lower portion of the bottom plate (4), the middle of each moving block (203) is in sliding connection with the corresponding limiting groove (201), and the limiting grooves (201) are arranged on the left side and the right side of the middle of the bottom plate (4).

3. The PCB electronic circuit board maintenance of claim 2 is with location frock, its characterized in that: the middle part of the sleeve (101) is fixedly connected to the upper part of the moving block (203).

4. The PCB electronic circuit board maintenance of claim 2 is with location frock, its characterized in that: actuating mechanism (3) include knob (301), bracing piece (302), worm (303) and worm wheel (304), worm wheel (304) middle part fixed connection is in two-end different thread threaded rod (204) one end, worm wheel (304) and worm (303) meshing, worm (303) middle part fixed connection is in bracing piece (302) periphery, bracing piece (302) lower extreme rotates and connects the interior diapire of supporting shoe (202), bracing piece (302) upper portion runs through supporting shoe (202) upper portion wall shell and fixed connection in the middle part of knob (301).

5. The PCB electronic circuit board maintenance of claim 1 is with location frock, its characterized in that: buffer unit (102) include branch (1021), cavity (1022), connecting rod (1023), clamp plate (1024) and spring (1025), clamp plate (1024) upside fixed connection is at connecting rod (1023) lower extreme, connecting rod (1023) upper end sliding connection is inside cavity (1022), spring (1025) set up in cavity (1022) between roof and connecting rod (1023) upside, cavity (1022) are seted up in branch (1021) lower part, branch (1021) upper portion sliding connection is inside sleeve pipe (101).

6. The PCB electronic circuit board maintenance of claim 5 is with location frock, its characterized in that: the lower part of the pressing plate (1024) is fixedly connected with a rubber pad.