CN209821250U - Clamp for detecting circuit board - Google Patents

Clamp for detecting circuit board Download PDF

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Publication number
CN209821250U
CN209821250U CN201920498350.3U CN201920498350U CN209821250U CN 209821250 U CN209821250 U CN 209821250U CN 201920498350 U CN201920498350 U CN 201920498350U CN 209821250 U CN209821250 U CN 209821250U
Authority
CN
China
Prior art keywords
plate
pcb
threaded sleeve
circuit board
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920498350.3U
Other languages
Chinese (zh)
Inventor
李卫泉
朱津馀
刘志成
蒋俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Musen Photoelectric Technology Co Ltd
Original Assignee
Changsha Musen Photoelectric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Musen Photoelectric Technology Co Ltd filed Critical Changsha Musen Photoelectric Technology Co Ltd
Priority to CN201920498350.3U priority Critical patent/CN209821250U/en
Application granted granted Critical
Publication of CN209821250U publication Critical patent/CN209821250U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a clamp for detecting a circuit board, which is structurally characterized by comprising a base; the abutting piece is connected to the base and used for limiting the PCB; the first adjusting piece is connected to the base and used for contacting one side surface of the PCB and pushing the PCB to be attached to the abutting piece; the second adjusting piece is connected to the base and used for contacting the other side face of the PCB and pushing the PCB to be attached to the abutting piece; the third adjusting part is connected to the base, is used for installing a plurality of detecting heads, and can drive the detecting heads to move and detect the contact of the detecting heads and the PCB; therefore, the technical problems of inaccurate positioning and easy generation of detection errors are solved, the technical effects of improving positioning accuracy and high detection precision are achieved, and the practicability is high.

Description

Clamp for detecting circuit board
Technical Field
The utility model relates to a circuit board detects technical field, specific anchor clamps that circuit board detected usefulness that says so.
Background
The PCB circuit board, also called a printed circuit board, is a provider of electrical connection of electronic components; the design of the method is mainly layout design; the circuit board has the main advantages that wiring and assembly errors are greatly reduced, and the automation level and the production labor rate are improved;
the PCB is generally in a tetragonal structure, on-off detection of circuits on the PCB is required before the PCB is put into use, so that the situation that the PCB cannot work due to the problems of the circuit board after products are finished is avoided, the circuits on the circuit board are fine and various and complicated in arrangement, the position of the PCB is manually controlled in a traditional method, then a detecting head is in contact with the PCB, the operation is inconvenient, and the PCB and the detecting head are prone to being positioned inaccurately, so that errors are generated in detection of the PCB.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a circuit board detects anchor clamps of usefulness to technical problem more than solving.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a clamp for circuit board detection which structural feature is, includes:
a base;
the abutting piece is connected to the base and used for limiting the PCB;
the first adjusting piece is connected to the base and used for contacting one side surface of the PCB and pushing the PCB to be attached to the abutting piece;
the second adjusting piece is connected to the base and used for contacting the other side face of the PCB and pushing the PCB to be attached to the abutting piece;
and the third adjusting part is connected to the base, is used for installing a plurality of detecting heads, and can drive the detecting heads to move and detect the contact of the detecting heads and the PCB.
Preferably: the base comprises a first plate and four support legs connected to the bottom surface of the first plate.
Preferably: the first plate is further provided with two steps for mounting the first adjusting piece and the second adjusting piece respectively.
Preferably: the leg comprises a step shaft; at least one bearing connected to the step shaft; the shaft sleeve is connected to the bearing; the gland is connected to the shaft sleeve and used for pressing the bearing; the first threaded sleeve is connected to the shaft sleeve; and one end of the first screw rod is connected to the first plate, and the other end of the first screw rod is in threaded connection with the first threaded sleeve and can extend into the shaft sleeve.
Preferably: the abutting piece comprises a second plate connected to the base; and a third plate connected to the base and disposed perpendicularly to the second plate.
Preferably: the first adjusting piece and the second adjusting piece are identical in structure and comprise two first bearing seats, a second screw rod connected to the first bearing seats, a second threaded sleeve connected to the second screw rod, and a push rod connected to the second threaded sleeve and used for contacting one side face of the PCB.
Preferably: the push rod on the first adjusting piece and the third plate are arranged in parallel; the push rod on the second adjusting piece is arranged in parallel with the second plate; and a positioning space of the PCB is formed among the two push rods, the second plate and the third plate.
Preferably: the third adjusting part comprises a supporting part, two second bearing seats connected to the supporting part, a third screw rod connected to the second bearing seats, a third threaded sleeve connected to the third screw rod, a fourth plate connected to the third threaded sleeve and used for connecting the detecting head, and at least one linear guide rail connected between the fourth plate and the supporting part.
Preferably: the probe comprises a mounting seat used for being connected with the fourth plate, a fourth threaded sleeve connected to the mounting seat, a spring arranged in the fourth threaded sleeve and with one end in contact with the mounting seat, a needle head with one end in contact with the spring and the other end extending out of the fourth threaded sleeve, and a fifth threaded sleeve connected to the fourth threaded sleeve and used for pressing the needle head.
The utility model has the advantages that: compared with the prior art, the clamp for detecting the circuit board has the advantages that the PCB is placed on the base, two side faces of the PCB are attached to the abutting pieces, the first adjusting piece and the second adjusting piece are controlled to be respectively attached to the other two side faces of the PCB, so that the PCB is positioned in the positioning space, and then the third adjusting piece is controlled, so that a detecting head is in contact with the PCB for detection; therefore, the technical problems of inaccurate positioning and easy generation of detection errors are solved, the technical effects of improving positioning accuracy and high detection precision are achieved, and the practicability is high.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of a first plate of the present invention;
FIG. 3 is a schematic structural view of the stand bar of the present invention;
fig. 4 is a schematic structural view of the first thread bush of the present invention;
fig. 5 is a schematic three-dimensional structure diagram of the first adjusting member or the second adjusting member of the present invention;
fig. 6 is a schematic three-dimensional structure diagram of a third adjusting member of the present invention;
FIG. 7 is a schematic structural diagram of the probe of the present invention;
FIG. 8 is a schematic view of the three-dimensional structure of the PCB mounted in the present invention;
in the figure: 1. the novel PCB comprises a base, 101, a first plate, 101-1, a step, 102, a support leg, 102-1, a step shaft, 102-2, a bearing, 102-3, a shaft sleeve, 102-4, a gland, 102-5, a first threaded sleeve, 102-6, a first screw rod, 2, an abutting piece, 201, a second plate, 202, a third plate, 3, a first adjusting piece, 301, a first bearing seat, 302, a second screw rod, 303, a second threaded sleeve, 304, a push rod, 4, a second adjusting piece, 5, a third adjusting piece, 501, a support piece, 502, a second bearing seat, 503, a third screw rod, 504, a third threaded sleeve, 505, a fourth plate, 506, a linear guide rail, 6, a probe head, 601, a mounting seat, 602, a fourth threaded sleeve, 603, a spring, 604, a needle head, 605, a fifth threaded sleeve, 7, a positioning space and 111, and a PCB circuit board.
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 some embodiments of the present invention, not all embodiments;
the utility model relates to an anchor clamps of circuit board detection usefulness has solved the location among the prior art inaccurate, produces the technical problem who detects the error easily, and the general thinking is as follows:
the first embodiment is as follows:
see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8; the utility model provides a clamp for circuit board detection which structural feature is, includes:
a base 1;
the abutting piece 2 is connected to the base 1 and used for limiting the PCB 111;
the first adjusting piece 3 is connected to the base 1 and used for contacting one side surface of the PCB 111 and pushing the PCB 111 to be attached to the abutting piece 2;
the second adjusting piece 4 is connected to the base 1 and used for contacting the other side surface of the PCB 111 and pushing the PCB 111 to be attached to the abutting piece 2;
the third adjusting part 5 is connected to the base 1, is used for installing a plurality of detecting heads 6, and can drive the detecting heads 6 to move and detect the contact with the PCB 111;
specifically, the PCB 111 is manually placed on the base 1, two side surfaces of the PCB 111 are attached to the abutting member 2, the second screws 302 on the first adjusting member 3 and the second adjusting member 4 are respectively rotated, so that the second thread bushing 303 and the push rod 304 move along the second screws 302 and are attached to the other two side surfaces of the PCB 111, the PCB 111 is positioned in the positioning space 7, then the third screw 503 is rotated, so that the third thread bushing 504 and the fourth plate 505 move along the third screw 503, and the probe 6 is in contact with the PCB 111 for detection; therefore, the technical problems of inaccurate positioning and easy generation of detection errors are solved, and the technical effects of improving the positioning accuracy, high detection precision and convenient operation are achieved;
specifically, in fig. 1, the base 1 includes a first plate 101, and four legs 102 attached to a bottom surface of the first plate 101; the first plate 101 is a rectangular steel plate and is connected with the support legs 102 through bolts; forming a working platform;
specifically, in fig. 1 and 2, the first plate 101 is further provided with two steps 101-1 for mounting the first adjusting member 3 and the second adjusting member 4, respectively; after the first adjusting part 3 and the second adjusting part 4 are installed, the push rod 304 can move along the first plate 101, and the PCB 111 can be smoothly pushed;
specifically, in fig. 1, 3, 4, the leg 102 includes a step shaft 102-1; at least one bearing 102-2 connected to the step shaft 102-1; the shaft sleeve 102-3 is connected to the bearing 102-2; a gland 102-4 connected to the shaft sleeve 102-3 for pressing the bearing 102-2; a first threaded sleeve 102-5 connected to the sleeve 102-3; and a first screw 102-6 having one end connected to the first plate 101 and the other end threadedly connected to the first thread bushing 102-5 and capable of extending into the bushing 102-3;
the step shaft 102-1 is formed by turning round steel and is used for being connected with a foundation through a bolt;
one of the bearings 102-2 is preferably a deep groove ball bearing, and is matched with the step shaft 102-1 according to normal tolerance and then is pressed tightly through a locking nut or a snap spring;
the shaft sleeve 102-3 is formed by turning a steel pipe, and a first groove matched with the bearing 102-2 according to normal tolerance is reserved at one end of the shaft sleeve;
the gland 102-4 is formed by turning a steel plate and is connected to the shaft sleeve 102-3 through a bolt;
the first threaded sleeve 102-5 is formed by turning round steel, is provided with internal threads, is T-shaped after being projected on a plane, and is connected with the shaft sleeve 102-3 through a bolt;
the first screw rod 102-6 is formed by turning round steel, is provided with an external thread, is T-shaped after being projected on a plane, and is in threaded connection with the first threaded sleeve 102-5;
when the adjustable screw type pipe wrench is used, the shaft sleeve 102-3 is rotated through the pipe wrench, the shaft sleeve 102-3 and the first threaded sleeve 102-5 push the first screw 102-6 to move up and down while rotating, the height and the levelness of the first plate 101 can be adjusted, and the adjustable screw type pipe wrench is better in flexibility and more convenient to operate;
specifically, in fig. 1, the abutment 2 comprises a second plate 201 welded to the base 1; and a third plate 202 welded to the base 1 and disposed perpendicularly to the second plate 201; because the shape of the PCB 111 is generally regular and generally has a square structure, the PCB 111 is vertically arranged, which is beneficial for operators to initially place the PCB 111 by taking the abutting piece 2 as a reference, thereby facilitating the subsequent operation;
specifically, in fig. 1 and 5, the first adjusting member 3 and the second adjusting member 4 are identical in structure, and each include two first bearing seats 301, a second screw 302 connected to the first bearing seats 301, a second threaded sleeve 303 threaded on the second screw 302, and a push rod 304 connected to the second threaded sleeve 303 and used for contacting one side surface of the PCB 111;
the push rod 304 on the first adjusting part 3 is arranged in parallel with the third plate 202; the push rod 304 on the second adjusting part 4 is arranged in parallel with the second plate 201; a positioning space 7 of the PCB 111 is formed between the two push rods 304, the second plate 201 and the third plate 202;
the first bearing seat 301 adopts an SN split type bearing seat in the prior art, and is convenient to mount and dismount;
the second screw 302 is formed by turning round steel;
the second threaded sleeve 303 is formed by turning a steel pipe and is in threaded connection with the second screw 302;
the push rod 304 is a cuboid-shaped steel plate, is welded with the second threaded sleeve 303, has a certain weight, and is beneficial to being attached to the first plate 101 during movement, pushing the PCB 111 to move, and reliably limiting the PCB 111 after being pushed in place;
when the screw is used, the second threaded sleeve 303 and the push rod 304 are welded and then connected to the second screw 302, the first bearing seat 301 is connected to the step 101-1, and the second screw 302 is connected to the first bearing seat 301; forming a first regulating member 3 and a second regulating member 4; the second screw 302 is rotated to push the second thread sleeve 303 and the push rod 304 to move along the second screw 302, so that the purpose of pushing and positioning the PCB 111 is achieved;
specifically, in fig. 1 and 6, the third adjusting member 5 includes a supporting member 501, two second bearing seats 502 connected to the supporting member 501, a third screw 503 connected to the second bearing seats 502, a third threaded sleeve 504 connected to the third screw 503, a fourth plate 505 connected to the third threaded sleeve 504 and used for connecting the probing tip 6, and at least one linear guide 506 connected between the fourth plate 505 and the supporting member 501;
the support 501 is in a T shape after being projected from front to back planes, and is connected with the first plate 101 through bolts by assembling and welding steel plates;
the second bearing seat 502 adopts an SN split type bearing seat in the prior art, and is convenient to mount and dismount;
the third screw 503 is turned by round steel;
the third thread bushing 504 is formed by turning a steel pipe and is in threaded connection with the third screw 503;
the fourth plate 505 is a square steel plate and is welded with the third threaded sleeve 504;
the linear guide 506 is a common structure in the prior art, such as an EGH-shaped linear guide, the rail is connected to the support 501 through a countersunk bolt, and the slider is connected to the fourth plate 505 through a countersunk bolt, so that the guiding function is achieved, and the fourth plate 505 always moves along a straight line;
when the probe is used, the third screw 503 is rotated to push the third thread sleeve 504 and the fourth plate 505, and the position is moved along the third screw 503, so that the probe 6 is contacted with and separated from the PCB 111;
specifically, in fig. 1 and 7, the probe 6 may adopt a structure of the prior art, and is electrically connected to an external detecting element through a wire, and how to connect the detecting element to the external detecting element is the prior art, and has no relevance to the technical problem of the present invention, so that the detecting element is not cumbersome;
alternatively, the probing tip 6 may also comprise a mounting base 601 for connecting with the fourth plate 505, a fourth threaded sleeve 602 connected to the mounting base 601, a spring 603 disposed in the fourth threaded sleeve 602 and having one end contacting with the mounting base 601, a needle 604 having one end contacting with the spring 603 and the other end protruding out of the fourth threaded sleeve 602, and a fifth threaded sleeve 605 connected to the fourth threaded sleeve 602 for pressing the needle 604;
the mounting seat 601 is formed by turning a steel plate and is connected with the fourth plate 505 through a countersunk bolt;
the fourth threaded sleeve 602 is formed by turning a steel pipe and is in threaded connection with the mounting seat 601;
the fifth thread bush 605 is formed by turning round steel and is in threaded connection with the fourth thread bush 602;
when the probe is used, the probe 6 is connected with the fourth plate 505 through the mounting base 601 by penetrating the countersunk head bolt, a mounting hole convenient for a lead to be connected with the probe 6 is reserved on the fourth plate 505, when the needle 604 on the probe 6 is in contact with the PCB 111, the spring 603 is compressed, so that the buffer effect is achieved, the PCB 111 is prevented from being damaged, when certain error is made up for the levelness of the PCB 111, the needle 604 can be always in contact with the PCB 111, and the detection precision is guaranteed.
The utility model discloses a theory of operation: when the detection device is used, the PCB 111 is manually placed on the base 1, two side surfaces of the PCB 111 are attached to the abutting piece 2, the second screw 302 is rotated, the second threaded sleeve 303 and the push rod 304 move along the second screw 302 together and are attached to the other two side surfaces of the PCB 111, the PCB 111 is positioned in the positioning space 7, then the third screw 503 is rotated, the third threaded sleeve 504 and the fourth plate 505 move along the third screw 503, and the detection head 6 is contacted with the PCB 111 for detection; therefore, the technical problems of inaccurate positioning and easy generation of detection errors are solved, and the technical effects of improving the positioning accuracy, high detection precision and convenient operation are achieved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a clamp for circuit board detection which characterized in that: the method comprises the following steps:
a base (1);
the abutting piece (2) is connected to the base (1) and used for limiting the PCB (111);
the first adjusting piece (3) is connected to the base (1) and is used for contacting one side surface of the PCB (111) and pushing the PCB (111) to be attached to the abutting piece (2);
the second adjusting piece (4) is connected to the base (1) and is used for contacting the other side face of the PCB (111) and pushing the PCB (111) to be attached to the abutting piece (2);
and the third adjusting piece (5) is connected to the base (1) and used for installing a plurality of detecting heads (6) and driving the detecting heads (6) to move and be in contact detection with the PCB (111).
2. The jig for inspecting a circuit board according to claim 1, wherein: the base (1) comprises a first plate (101) and four legs (102) attached to the bottom surface of the first plate (101).
3. The jig for inspecting a circuit board according to claim 2, wherein: the first plate (101) is further provided with two steps (101-1) which are respectively used for installing the first adjusting piece (3) and the second adjusting piece (4).
4. The jig for inspecting a circuit board according to claim 2, wherein: the foot (102) comprises a step shaft (102-1); at least one bearing (102-2) connected to the step shaft (102-1); a shaft sleeve (102-3) connected to the bearing (102-2); a gland (102-4) connected to the shaft sleeve (102-3) for pressing the bearing (102-2); a first threaded sleeve (102-5) connected to the sleeve (102-3); and a first screw (102-6) having one end connected to the first plate (101) and the other end threadedly connected to the first threaded sleeve (102-5) and capable of extending into the sleeve (102-3).
5. The jig for inspecting a circuit board according to claim 1, wherein: the abutting piece (2) comprises a second plate (201) connected to the base (1); and a third plate (202) connected to the base (1) and vertically disposed between the second plate (201).
6. The jig for inspecting a circuit board according to claim 5, wherein: the first adjusting piece (3) and the second adjusting piece (4) are identical in structure and comprise two first bearing seats (301), a second screw rod (302) connected to the first bearing seats (301), a second threaded sleeve (303) connected to the second screw rod (302), and a push rod (304) connected to the second threaded sleeve (303) and used for contacting one side face of the PCB (111).
7. The jig for inspecting a circuit board according to claim 6, wherein: a push rod (304) on the first adjusting piece (3) is arranged in parallel with the third plate (202); a push rod (304) on the second adjusting piece (4) is arranged in parallel with the second plate (201); a positioning space (7) of the PCB circuit board (111) is formed among the two push rods (304), the second plate (201) and the third plate (202).
8. The jig for inspecting a circuit board according to claim 1, wherein: the third adjusting member (5) comprises a supporting member (501), two second bearing seats (502) connected to the supporting member (501), a third screw (503) connected to the second bearing seats (502), a third threaded sleeve (504) connected to the third screw (503), a fourth plate (505) connected to the third threaded sleeve (504) and used for connecting the detecting head (6), and at least one linear guide (506) connected between the fourth plate (505) and the supporting member (501).
9. The jig for inspecting a circuit board according to claim 8, wherein: the probe (6) comprises a mounting seat (601) connected with the fourth plate (505), a fourth threaded sleeve (602) connected on the mounting seat (601), a spring (603) arranged in the fourth threaded sleeve (602) and having one end contacted with the mounting seat (601), a needle (604) having one end contacted with the spring (603) and the other end extending out of the fourth threaded sleeve (602), and a fifth threaded sleeve (605) connected on the fourth threaded sleeve (602) and used for pressing the needle (604).
CN201920498350.3U 2019-04-14 2019-04-14 Clamp for detecting circuit board Expired - Fee Related CN209821250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920498350.3U CN209821250U (en) 2019-04-14 2019-04-14 Clamp for detecting circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920498350.3U CN209821250U (en) 2019-04-14 2019-04-14 Clamp for detecting circuit board

Publications (1)

Publication Number Publication Date
CN209821250U true CN209821250U (en) 2019-12-20

Family

ID=68879763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920498350.3U Expired - Fee Related CN209821250U (en) 2019-04-14 2019-04-14 Clamp for detecting circuit board

Country Status (1)

Country Link
CN (1) CN209821250U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625012A (en) * 2021-08-06 2021-11-09 深圳市鸿发鑫科技有限公司 Detection equipment with irregular part fixing device
CN113953859A (en) * 2021-12-21 2022-01-21 成都和鸿科技有限公司 Six point positioning tool for blade
CN114087966A (en) * 2021-11-28 2022-02-25 上海北臻电子科技有限公司 Test fixture and method for testing circuit board

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625012A (en) * 2021-08-06 2021-11-09 深圳市鸿发鑫科技有限公司 Detection equipment with irregular part fixing device
CN113625012B (en) * 2021-08-06 2024-05-10 深圳市鸿发鑫科技有限公司 Detection equipment with irregular part fixing device
CN114087966A (en) * 2021-11-28 2022-02-25 上海北臻电子科技有限公司 Test fixture and method for testing circuit board
CN113953859A (en) * 2021-12-21 2022-01-21 成都和鸿科技有限公司 Six point positioning tool for blade

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191220

Termination date: 20210414