CN215812872U

CN215812872U - PCB circuit board test fixture

Info

Publication number: CN215812872U
Application number: CN202121259408.2U
Authority: CN
Inventors: 郭艳飞; 孟庆伟; 周烜豪
Original assignee: Boxin Semiconductor Technology Tianjin Co ltd
Current assignee: Boxin Semiconductor Technology Tianjin Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-11
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a PCB circuit board test fixture which comprises an operation table, wherein support legs are fixedly connected to four corners of the bottom end of the operation table, a lifting component is arranged inside the operation table, a vertical rod is arranged at the top end of the lifting component, a sliding component is arranged at the top end of the vertical rod, a clamping plate component is arranged at the top end of the sliding component, and a locking component is arranged on the right side of the sliding component. This PCB circuit board test fixture passes through the splint component, first slider, the cooperation of spring and second slider, the second slider passes through locking component 7 fixed back, the spring provides the reaction force for first slider, fixed PCB circuit board between firm fixed first cardboard and the second cardboard, prevent that the PCB circuit board is not hard up to drop, improve the stability and the accuracy of testing process, through the workstation, the cooperation of lifting member and montant, highly adjust anchor clamps, reach the most comfortable operating height of user, improve staff's operating condition.

Description

PCB circuit board test fixture

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) testing, in particular to a PCB testing clamp.

Background

The PCB circuit board is also called as a printed circuit board, which is a provider of electrical connection of electronic components, the main advantages of the circuit board are that errors of wiring and assembly are greatly reduced, the automation level and the production labor rate are improved, denser PCBs, higher bus speed, simulation RF circuits and the like pose unprecedented challenges to testing, the function testing under the environment needs a carefully designed and carefully considered testing method and appropriate tools to provide credible testing results, the existing PCB circuit board testing clamp does not have means for preventing the PCB circuit board from loosening and falling off in the using process, the stability and the accuracy of the testing process are influenced, the height of the clamp cannot be adjusted, and a user is in an uncomfortable working state for a long time and the working state is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PCB test fixture, which aims to solve the problems that the existing PCB test fixture in the background art has no means for preventing the PCB from loosening and falling off in the use process, the stability and the accuracy of the test process are influenced, the height of the fixture cannot be adjusted, and a user is in an uncomfortable working state for a long time, so that the working state is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a PCB circuit board test fixture comprises an operation table, wherein supporting legs are fixedly connected at four corners of the bottom of the operation table, a lifting member is arranged inside the operation table, a vertical rod is arranged at the top end of the lifting member, a sliding member is arranged at the top end of the vertical rod, a clamping plate member is arranged at the top end of the sliding member, a locking member is arranged at the right side of the sliding member, the lifting member comprises a top plate, a first folding rod, a second folding rod, a bottom plate, an adjusting block, an adjusting rod and a handle, a plurality of first folding rods are rotatably connected at two sides of the top plate, the bottom end of the first folding rod is rotatably connected with the second folding rod, the bottom end of the second folding rod is rotatably connected with the bottom plate, the inner side of the second folding rod is rotatably connected with the adjusting block, the adjusting rod is in threaded connection with the inner part of the adjusting block, the handle is fixedly connected at the right side of the adjusting rod, and the bottom end of the bottom plate is fixedly connected with the operation table, the top plate is fixedly connected with the vertical rod.

Preferably, threads are symmetrically machined on two sides of the adjusting rod.

Preferably, the sliding component includes first horizontal pole, slide bar, second horizontal pole, first slider, spring and second slider, the right side rigid coupling of first horizontal pole has two slide bars, the right side rigid coupling of slide bar has the second horizontal pole, the outer wall sliding connection of slide bar has first slider, the right side rigid coupling of first slider has the spring, the right side rigid coupling of spring has the second slider, the slide bar is clearance fit with the second slider, first horizontal pole links to each other with the montant is fixed, the second horizontal pole links to each other with the montant is fixed.

Preferably, the clamping plate component comprises a first clamping plate, a first connecting rod, a second clamping plate and a second connecting rod, the first connecting rod is fixedly connected to the bottom end of the first clamping plate, the second connecting rod is fixedly connected to the bottom end of the second clamping plate, the bottom end of the first connecting rod is fixedly connected with the first cross rod, and the bottom end of the second connecting rod is fixedly connected with the first sliding block.

Preferably, the locking member includes knob, threaded rod, extrusion piece and receives the pressure piece, the bottom rigid coupling threaded rod of knob, the bottom of threaded rod is rotated and is connected with the extrusion piece, and the both sides laminating of extrusion piece has the pressure piece, the threaded rod links to each other with second slider screw thread, the extrusion piece is clearance fit with the second slider, it is clearance fit with the second slider to receive the pressure piece.

Compared with the prior art, the utility model has the beneficial effects that: this PCB circuit board test fixture passes through the splint component, first slider, the cooperation of spring and second slider, the second slider passes through locking component 7 fixed back, the spring provides the reaction force for first slider, fixed PCB circuit board between firm fixed first cardboard and the second cardboard, prevent that the PCB circuit board is not hard up to drop, improve the stability and the accuracy of testing process, through the workstation, the cooperation of lifting member and montant, highly adjust anchor clamps, reach the most comfortable operating height of user, improve staff's operating condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the left-side view of the planer surface attachment structure of FIG. 1;

FIG. 3 is a schematic top view of the connection structure of FIG. 1;

fig. 4 is an enlarged planer surface coupling structure of the locking member of fig. 1.

In the figure: 1. the operating platform comprises an operating platform, 2, supporting legs, 3, a lifting component, 301, a top plate, 302, a first folding rod, 303, a second folding rod, 304, a bottom plate, 305, an adjusting block, 306, an adjusting rod, 307, a handle, 4, a vertical rod, 5, a sliding component, 501, a first cross rod, 502, a sliding rod, 503, a second cross rod, 504, a first sliding block, 505, a spring, 506, a second sliding block, 6, a clamping plate component, 601, a first clamping plate, 602, a first connecting rod, 603, a second clamping plate, 604, a second connecting rod, 7, a locking component, 701, a knob, 702, a threaded rod, 703, an extrusion block, 704 and a compression block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a PCB circuit board test fixture comprises an operation table 1, wherein supporting legs 2 are fixedly connected to four corners of the bottom end of the operation table 1, the supporting legs 2 play a role of supporting the operation table 1, a lifting component 3 is mounted inside the operation table 1, the lifting component 3 can be adjusted in height and adjusted to a height comfortable for a user to use, a vertical rod 4 is mounted at the top end of the lifting component 3, the vertical rod 4 plays a role of connecting the lifting component 3 with a sliding component 5, the sliding component 5 is mounted at the top end of the vertical rod 4, a clamping plate component 6 is mounted at the top end of the sliding component 5, the clamping plate component 6 is responsible for clamping and fixing a PCB circuit board to be tested, a locking component 7 is mounted on the right side of the sliding component 5, the locking component 7 can limit sliding of a first sliding block 504 and a second sliding block 506, and the lifting component 3 comprises a top plate 301, a first folding rod 302, a second folding rod 303, a bottom plate 304 and an adjusting block 305, Adjust pole 306 and handle 307, the both sides of roof 301 are rotated and are connected with a plurality of first folding pole 302, the bottom of first folding pole 302 is rotated and is connected with second folding pole 303, first folding pole 302 rotates through the pivot with second folding pole 303, the bottom of second folding pole 303 is rotated and is connected with bottom plate 304, the inboard of second folding pole 303 is rotated and is connected with regulating block 305, the internal thread connection of regulating block 305 has adjusting pole 306, the right side rigid coupling of adjusting pole 306 has handle 307, rotate handle 307, adjusting pole 306 rotates thereupon, regulating block 305 is controlled through the screw thread of adjusting pole 306 outer wall and is removed, first folding pole 302 opens and shuts thereupon with second folding pole 303, roof 301 goes up and down thereupon, the bottom of bottom plate 304 links to each other with operation panel 1 is fixed, roof 301 links to each other with montant 4 is fixed, the bilateral symmetry processing of adjusting pole 306 has the screw thread.

The sliding member 5 comprises a first cross bar 501, a sliding bar 502, a second cross bar 503, a first sliding block 504, a spring 505 and a second sliding block 506, wherein two sliding bars 502 are fixedly connected to the right side of the first cross bar 501, the second cross bar 503 is fixedly connected to the right side of the sliding bar 502, the first sliding block 504 is slidably connected to the outer wall of the sliding bar 502, the first sliding block 504 can slide through the sliding bar 502, according to the distance between the different regulation anchor clamps of PCB circuit board size, the right side rigid coupling of first slider 504 has spring 505, spring 505 provides reaction force, prevent that the PCB circuit board is not hard up to drop in the anchor clamps, the right side rigid coupling of spring 505 has second slider 506, second slider 506 slides with first slider 504 synchronous, the internally mounted of second slider 506 has locking member 7, slide bar 502 is clearance fit with second slider 506, first horizontal pole 501 is fixed with montant 4 and links to each other, second horizontal pole 503 is fixed with montant 4 and links to each other.

The clamping plate member 6 comprises a first clamping plate 601, a first connecting rod 602, a second clamping plate 603 and a second connecting rod 604, the bottom end of the first clamping plate 601 is fixedly connected with the first connecting rod 602, the bottom end of the second clamping plate 603 is fixedly connected with the second connecting rod 604, the first clamping plate 602 and the second clamping plate 603 clamp two ends of a PCB circuit board respectively, a rubber layer is processed at the clamping groove of the first clamping plate 602 and the second clamping plate 603, the PCB circuit board is prevented from being damaged, the bottom end of the first connecting rod 602 is fixedly connected with the first cross rod 501, and the bottom end of the second connecting rod 604 is fixedly connected with the first sliding block 504.

The locking member 7 comprises a knob 701, a threaded rod 702, an extrusion block 703 and a pressed block 704, the threaded rod 702 is fixedly connected to the bottom end of the knob 701, the threaded rod 702 can be driven to rotate by rotating the knob 701, the bottom end of the threaded rod 702 is connected with the extrusion block 703 in a rotating mode, the extrusion block 703 is also extruded downwards while the threaded rod 702 moves downwards, the pressed block 704 is attached to two sides of the extrusion block 703, after the extrusion block 703 is pressed downwards, the pressed blocks 704 on two sides slide towards two sides and are attached to a sliding rod 502, the threaded rod 702 is in threaded connection with a second sliding block 506, the extrusion block 703 is in clearance fit with the second sliding block 506, and the pressed block 704 is in clearance fit with the second sliding block 506.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the PCB circuit board test fixture is used, a user slides the second sliding block 504 through the sliding rod 502 to adjust the required distance, after the adjustment is completed, the PCB circuit board to be tested is placed between the first clamping plate 602 and the second clamping plate 603 to be clamped, after the clamping is completed, the second sliding block 506 is slightly pushed leftwards, after the proper resistance of the spring 505 is sensed, the knob 701 is twisted, the knob 701 drives the threaded rod 702 to rotate, the pressing block 703 is pressed downwards while the threaded rod 702 moves downwards, the pressing block 703 presses the pressed blocks 704 on the two sides to slide outwards, when the pressed blocks are attached to the sliding rod 502, the first sliding block 504 and the second sliding block 506 cannot slide, the PCB circuit board is fixed between the first clamping plate 602 and the second clamping plate 603, after the fixation, the user can drive the adjusting rod 306 to rotate by rotating the handle 307, the adjusting rod 306 drives the adjusting block 305 to move towards the center of the adjusting rod 306 by the threads on the outer wall when the adjusting rod 306 rotates, when moving, the first folding rod 302 and the second folding rod 303 open and close to drive the top plate 301 to ascend, the top plate 301 ascends and simultaneously drives the sliding component 5 connected through the vertical rod 4, the PCB is adjusted to the height suitable for a user to test, and the user is given a comfortable working state.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB circuit board test fixture, includes operation panel (1), its characterized in that: the bottom four corners of the operating platform (1) are fixedly connected with supporting legs (2), a lifting component (3) is installed inside the operating platform (1), a vertical rod (4) is installed at the top end of the lifting component (3), a sliding component (5) is installed at the top end of the vertical rod (4), a clamping plate component (6) is installed at the top end of the sliding component (5), and a locking component (7) is installed on the right side of the sliding component (5);

lifting member (3) include roof (301), first folding rod (302), second folding rod (303), bottom plate (304), regulating block (305), adjust pole (306) and handle (307), the both sides of roof (301) are rotated and are connected with a plurality of first folding rod (302), the bottom of first folding rod (302) is rotated and is connected with second folding rod (303), the bottom of second folding rod (303) is rotated and is connected with bottom plate (304), the inboard of second folding rod (303) is rotated and is connected with regulating block (305), the internal thread of regulating block (305) is connected with adjusts pole (306), the right side rigid coupling of adjusting pole (306) has handle (307), the bottom and operation panel (1) fixed the linking to each other of bottom plate (304), roof (301) and montant (4) fixed the linking to each other.

2. A PCB board testing fixture according to claim 1, wherein: threads are symmetrically machined on two sides of the adjusting rod (306).

3. A PCB board testing fixture according to claim 1, wherein: slide member (5) include first horizontal pole (501), slide bar (502), second horizontal pole (503), first slider (504), spring (505) and second slider (506), the right side rigid coupling of first horizontal pole (501) has two slide bars (502), the right side rigid coupling of slide bar (502) has second horizontal pole (503), the outer wall sliding connection of slide bar (502) has first slider (504), the right side rigid coupling of first slider (504) has spring (505), the right side rigid coupling of spring (505) has second slider (506), slide bar (502) and second slider (506) are clearance fit, first horizontal pole (501) and montant (4) are fixed and link to each other, second horizontal pole (503) and montant (4) are fixed and link to each other.

4. A PCB board testing fixture according to claim 1, wherein: the clamping plate component (6) comprises a first clamping plate (601), a first connecting rod (602), a second clamping plate (603) and a second connecting rod (604), wherein the first connecting rod (602) is fixedly connected to the bottom end of the first clamping plate (601), the second connecting rod (604) is fixedly connected to the bottom end of the second clamping plate (603), the bottom end of the first connecting rod (602) is fixedly connected with the first cross rod (501), and the bottom end of the second connecting rod (604) is fixedly connected with the first sliding block (504).

5. A PCB board testing fixture according to claim 1, wherein: locking member (7) include knob (701), threaded rod (702), extrusion piece (703) and receive pressure piece (704), the bottom rigid coupling threaded rod (702) of knob (701), the bottom of threaded rod (702) is rotated and is connected with extrusion piece (703), and the both sides laminating of extrusion piece (703) has received pressure piece (704), threaded rod (702) and second slider (506) screw thread link to each other, extrusion piece (703) are clearance fit with second slider (506), receive pressure piece (704) and second slider (506) clearance fit.