CN213986730U

CN213986730U - Split type circuit board contact detection tool

Info

Publication number: CN213986730U
Application number: CN202022961718.0U
Authority: CN
Inventors: 蒋滋华
Original assignee: Suzhou Lima Testing Technology Co ltd
Current assignee: Suzhou Lima Testing Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-17
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a split type circuit board contact detection tool, including detachable positioning jig and probe assembly. Positioning jig includes locating frame and locating plate, the box up end at detection jig is fixed to the locating frame, the locating plate nestification is at the locating frame middle part, locating plate upper end middle part is provided with the constant head tank of placing the PCB board, the terminal surface is equipped with the electrical connection end with probe assembly cooperation contact under the PCB board, probe assembly includes the probe board, the support column, be the probe of the vertical arrangement of modularization, the connecting wire, the probe includes the probe pole, probe sleeve and probe spring, this detection jig is with the positioning jig and the probe assembly separate design of PCB board, adopt detachable positioning jig and probe assembly cooperation to use, and only need with the positioning jig of PCB board according to different frequent specification and dimension design can, greatly reduced tool's production and preparation cost, and utilize shoring spring and locking screw cooperation locking positioning jig and probe assembly, it is firm to guarantee to connect.

Description

Split type circuit board contact detection tool

Technical Field

The utility model relates to a test equipment technical field, concretely relates to split type circuit board contact detection tool.

Background

Along with the continuous popularization of electrical equipment, the production process of the PCB in the electrical equipment is continuously advanced, the quality performance detection of the PCB is stricter, and therefore, multiple manufacturers start to perform power-on detection on the PCB with uniform specification by means of automatic detection jigs so as to improve the process production efficiency. The detection jig used at present is mostly in contact with the electric connection end corresponding to the position by virtue of the modularized probe, and the electric connection detection is carried out again, and the probe has elasticity, can be fine really and be electrically connected with the electric connection end, but to the PCB board of different specifications under the condition that the position is unified at the electric connection end, different modularized probe structures need to be designed aiming at different sizes and specifications of the PCB board, even the jig liquid for positioning the PCB board needs to be redesigned, the jig production and preparation cost is wasted undoubtedly, and to the PCB board of the fixed size of the position of the electric connection end, if the probe structure does not need to be redesigned, the PCB board positioning jig of different sizes is just manufactured, the probe structure is detachably matched and utilized, the production and preparation cost of the jig can be greatly reduced, the manufacturer is helped to improve the detection process efficiency, and the yield is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose: in view of the technical requirements in the background art, a split type circuit board contact detection jig is designed, a positioning jig of a PCB and a probe assembly are designed in a separated mode, the detachable positioning jig is matched with the probe assembly for use, the positioning jig of the PCB only needs to be designed according to different frequent specifications and sizes, the production and preparation cost of the jig is greatly reduced, and the positioning jig and the probe assembly are locked by matching of a top bracing spring and a locking screw, so that firm connection is guaranteed, and the practicability is high.

The technical scheme adopted for solving the problems is as follows:

a split type circuit board contact detection jig comprises a detachable positioning jig and a probe assembly.

The positioning jig comprises a positioning frame and a positioning plate, the positioning frame is fixed on the upper end surface of the box body of the detection jig, the positioning plate is nested in the middle of the positioning frame, the lower end of the positioning frame is fixedly connected with the box body bracket, the middle of the upper end of the positioning plate is provided with a positioning groove for placing a PCB, the edge of the positioning groove is also provided with a positioning pin matched with the positioning hole arranged on the PCB, the lower end surface of the PCB is provided with an electric connection end matched and contacted with the probe assembly,

the probe assembly is fixed in the box, including probe card, support column, the probe that is the vertical arrangement of modularization, connecting wire, the last vertical fixation of probe card has a plurality of probe, and the lower extreme links firmly with the support column, and the support column still links firmly with the box bottom plate, the connecting wire is connected with the test instrument electricity, the probe includes probe pole, probe sleeve and probe spring, probe pole and probe sleeve shaft hole cooperation, probe spring cover are established on the probe pole to built-in and probe sleeve are interior, are used for shoring probe pole to reciprocate, the probe pole upper end has still linked firmly the contact pullover, the overhead up end of contact pullover is equipped with the reticulation for with connect the electric connection of electric terminal reliable and stable.

Furthermore, locking screws are further arranged at four corners of the lower end face of the positioning plate and are matched with threaded sleeves arranged at the upper end face of the probe plate in position to be screwed, so that the positioning plate is fixed.

Furthermore, the upper end face of the probe board is also provided with jacking springs in a rectangular array, and part of the jacking face of the outermost jacking spring is matched with a jacking of the positioning frame and is used for being matched with the positioning plate to support the positioning plate.

Furthermore, the handles are further arranged on the two sides of the positioning plate, so that an engineer can conveniently lift the positioning plate manually and replace the positioning plate with another specification and size.

Furthermore, the cover plate is connected to the upper portion of the box body through a hinge, and therefore the PCB performance detection device with the shielding signal requirement can be used conveniently.

The utility model has the advantages that:

this split type circuit board contact detection tool uses detachable positioning jig and probe subassembly separation design with the positioning jig of PCB board, and only need with the positioning jig of PCB board according to the frequent specification and dimension of difference design can, greatly reduced tool's production preparation cost to utilize shoring spring and locking screw cooperation locking positioning jig and probe subassembly, it is firm to guarantee to connect, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a split type circuit board contact detection fixture in the present embodiment;

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

fig. 3 is a top view of the split type circuit board contact detection fixture of the present embodiment;

the probe comprises a cover plate 1, a handle 2, a positioning plate 3, a positioning plate embedding opening 4, a positioning plate 5, a locking screw 6, a jacking spring 7, a threaded sleeve 8, a hinge 9, a probe plate 10, a probe 11, a connecting wire 12, a test instrument 13, a supporting column 14, a box body 15, an electric connecting end 15, a contact sleeve head 16, a probe rod 17, a probe sleeve 18, a probe spring 19, a positioning frame 20, a PCB 21 and a positioning pin 22.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the detachable circuit board contact detection tool includes a detachable positioning tool and a probe assembly.

Specifically speaking, positioning jig includes locating frame 20 and locating plate 4, locating frame 20 is fixed at detection jig's 14 up end of box, and 4 nests in locating frame 20 middle parts of locating plate, and the 20 lower extremes of locating frame links firmly with the 14 supports of box, 4 upper ends middle parts of locating plate are provided with the constant head tank of placing PCB board 21, the constant head tank edge still is provided with the locating hole complex locating pin 22 that is equipped with PCB board 21, and the terminal surface is equipped with the electrical terminal 15 of connecting with probe assembly cooperation contact under the PCB board 21.

Referring to fig. 2, the probe 10 assembly is fixed in the box 14, and includes probe board 9, support column 13, probe 10, connecting wire 11 that are the vertical arrangement of modularization, be fixed with a plurality of probe 10 perpendicularly on the probe board 9, the lower extreme links firmly with support column 13, and support column 13 still links firmly with box 14 bottom plate, connecting wire 11 is connected with tester 12 electricity, probe 10 includes probe pole 17, probe sleeve 18 and probe spring 19, probe pole 17 and probe sleeve 18 shaft hole cooperation, probe spring 19 cover are established on probe pole 17 to built-in and in the probe sleeve 18, be used for shoring probe pole 17 and reciprocate, probe pole 17 upper end still links firmly the contact sleeve head 16 that electric conductive property is good, contact sleeve head 16 up end is equipped with the reticulation, is used for connecting with and electric terminal 15 electricity and connects reliable and stable.

In a further embodiment, locking screws 5 are further arranged at four corners of the lower end surface of the positioning plate 4, and are matched with threaded sleeves 7 arranged at positions corresponding to the upper end surface of the probe board 9 to be screwed tightly, so that the positioning plate 4 is fixed.

In a further embodiment, referring to fig. 3, the upper end surface of the probe card 9 is further provided with a rectangular array of shoring springs 6, and the outermost shoring springs 6 have a portion of their shoring surfaces that cooperate with the positioning frame 20 for supporting the positioning plate in cooperation with the positioning plate 4.

The further embodiment is that handles 2 are further arranged on two sides of the positioning plate 4, so that an engineer can conveniently lift the positioning plate 4 manually and replace the positioning plate 4 with another specification and size.

In a further embodiment, the cover plate 1 is connected to the upper side of the box body 14 through a hinge 8, so that the performance of the PCB 21 with the requirement of shielding signals can be detected and used conveniently.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a split type circuit board contact detection tool which characterized in that: comprises a detachable positioning jig and a probe component,

the probe assembly is fixed in the box, including probe card, support column, be the vertical probe, the connecting wire of arranging of modularization, the last vertical fixation of probe card has a plurality of probe, and the lower extreme links firmly with the support column, and the support column still links firmly with the box bottom plate, the connecting wire is connected with the test instrument electricity, the probe includes probe rod, probe sleeve and probe spring, probe rod and probe sleeve shaft hole cooperation, probe spring cover are established on the probe rod to built-in and probe sleeve in, the probe rod upper end has still linked firmly the contact pullover, the overhead up end of contact pullover is equipped with the reticulation.

2. The split type circuit board contact detection jig of claim 1, characterized in that: locking screws are further arranged at four corners of the lower end face of the positioning plate and are matched and screwed with threaded sleeves arranged at the positions corresponding to the upper end faces of the probe boards to fix the positioning plate.

3. The split type circuit board contact detection jig of claim 1, characterized in that: the probe board upper end face is also provided with a top bracing spring in a rectangular array mode, and part of top bracing faces of the top bracing springs on the outermost periphery are matched with the positioning frame to be propped.

4. The split type circuit board contact detection jig of claim 1, characterized in that: handles are further arranged on two sides of the positioning plate.

5. The split type circuit board contact detection jig of claim 1, characterized in that: the upper part of the box body is also connected with a cover plate through a hinge.