CN219641782U

CN219641782U - Detection clamp with built-in clamping mechanism

Info

Publication number: CN219641782U
Application number: CN202321204876.9U
Authority: CN
Inventors: 方秋兴
Original assignee: Hangzhou Zhongjie Electronic Technology Co ltd
Current assignee: Hangzhou Jutang Metal Products Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-05
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a detection clamp with a built-in clamping mechanism, which comprises an integral frame, a clamping assembly, a moving assembly and a fixing assembly, wherein the moving assembly is arranged in the integral frame, the clamping assembly is connected below the moving assembly, the fixing assembly is arranged on the surface of the moving assembly, the clamping assembly comprises an upper bench, a fixing head, a bottom bench and a groove, the fixing head is connected to the lower surface of the upper bench, the bottom bench is arranged below the fixing head, and the groove is arranged on the surface of the bottom bench. The top of the fixing head is made of rubber materials, so that the circuit board is protected from damage, the contact area of the arc head is increased compared with that of a pointed end, the pressure locally received by the circuit board in the clamping process is reduced, meanwhile, the fixing head is made of rubber materials, because the hardness of the rubber is not higher than that of the circuit board, no trace is left on the surface of the circuit board, and meanwhile, the fixing head is soft after all, and a certain buffering effect can be achieved.

Description

Detection clamp with built-in clamping mechanism

Technical Field

The utility model relates to the technical field of circuit board welding short circuits, in particular to a detection clamp with a built-in clamping mechanism.

Background

The current circuit board needs to be detected after welding, a bonding pad or a test point on the PCB board is connected through a metal probe, and typical values such as a voltage value and a current value of a test circuit are obtained under the condition that the PCB board is powered on, so that whether the tested circuit is normally conducted or not is observed, and in the detection process, a detection clamp is necessary, and the detection clamp with a built-in clamping mechanism is very useful.

In use, the detection clamp on the market cannot be used for perfectly clamping the circuit board by the fixing head and cannot accurately control the clamping force to damage the circuit board in the clamping process, so that the detection clamp with the built-in clamping mechanism is provided.

Disclosure of Invention

The utility model aims to provide a detection clamp with a built-in clamping mechanism, which solves the problems that a fixing head provided in the background art cannot perfectly clamp a circuit board and cannot accurately control clamping force to damage the circuit board in the clamping process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detection anchor clamps with built-in fixture, includes whole frame, clamping assembly, remove subassembly and fixed subassembly, the inside of whole frame is provided with removes the subassembly, and removes the below of subassembly and be connected with clamping assembly, the surface that removes the subassembly is provided with fixed subassembly, clamping assembly includes rack, fixed head, end rack and recess, the lower surface of going up the rack is connected with the fixed head, and installs end rack in the below of fixed head to the surface of end rack is provided with the recess.

Further, the groove is 3mm down compared to the edge of the table frame.

Further, the top position of the fixing head is an arc head made of rubber.

Further, the integral frame comprises a cross beam, vertical plates and a base, wherein the vertical plates are arranged on two sides of the cross beam, and the base is installed at the lower ends of the vertical plates.

Further, the movable assembly comprises a threaded screw rod, a knob, a cylindrical pipe and a sleeve block, the knob is installed on the upper portion of the threaded screw rod, the cylindrical pipe is arranged on two sides of the threaded screw rod, and the sleeve block is arranged on the surface of the cylindrical pipe.

Further, the threaded screw rod is in threaded connection with the knob.

Further, the fixed subassembly includes nut, fixed block and connecting strip, and installs the nut around the fixed block to the bottom of fixed block is provided with the connecting strip.

Compared with the prior art, the utility model has the beneficial effects that: this detection anchor clamps with built-in fixture is provided with the recess and compares in the edge of base frame 3mm that sinks in order to be convenient for the circuit board in the centre gripping in-process, the accuracy of centre gripping position also is in order to promote the stability when centre gripping circuit board simultaneously, prevent that the circuit board from taking place the displacement, thereby cause the damage of circuit board, the circular arc head of the top of fixed head with rubber material preparation is in order to protect the circuit board not receive the damage, the circular arc head has compared with the tip has increased area of contact and has reduced the pressure size that the circuit board was received in the clamping process part, adopt rubber material to make simultaneously, because the hardness of rubber does not have the hardness of circuit board, can not leave the vestige to circuit board surface, the material is changed after all soft simultaneously, can play certain cushioning effect.

The base and the vertical plate are connected in a welded mode, the rigidity and the stability of the whole structure of the whole frame are improved, the movable assembly can be conveniently installed through the middle beam, the threaded screw rod and the knob form a movable threaded screw rod structure, the movable threaded structure can realize that the rack is connected to one end of the threaded screw rod to perform vertical displacement, so that the clamping process of a required circuit board is realized, the arranged cylindrical pipe is matched with the sleeve block to be used together, the friction force born by the upper rack in the moving process can be reduced, the mechanical movement process of the upper rack is more smooth, an operator can more accurately control the clamping process of the upper rack, the clamping force is prevented from being overlarge, and the circuit board is accidentally damaged.

Be threaded connection between fixed block and the nut, this detachable helicitic texture is convenient for install and dismantle, has the collocation simultaneously and uses the connecting strip, makes fixed moving component fixed more firm, ensures the operability of facility, and stability, prevents to change firmly because of some parts do not have to cause the problem that the circuit board can not normally be detected.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a clamping assembly according to the present utility model;

FIG. 3 is a schematic plan view of a mobile assembly according to the present utility model.

In the figure: 1. an integral frame; 101. a cross beam; 102. a riser; 103. a base; 2. a clamping assembly; 201. an upper rack; 202. a fixed head; 203. a bottom rack; 204. a groove; 3. a moving assembly; 301. a threaded screw rod; 302. a knob; 303. a cylindrical tube; 304. a sleeve block; 4. a fixing assembly; 401. a screw cap; 402. a fixed block; 403. and (5) connecting strips.

Detailed Description

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a detection anchor clamps with built-in fixture, including whole frame 1, clamping assembly 2, remove subassembly 3 and fixed subassembly 4, the inside of whole frame 1 is provided with removes subassembly 3, and the below of removing subassembly 3 is connected with clamping assembly 2, the surface of removing subassembly 3 is provided with fixed subassembly 4, clamping assembly 2 includes rack 201, fixed head 202, bottom rack 203 and recess 204, the lower surface of rack 201 is connected with fixed head 202, and bottom rack 203 is installed to the below of fixed head 202, and the surface of bottom rack 203 is provided with recess 204, recess 204 is sunken 3mm than the edge of bottom rack 203 in order to be convenient for the circuit board in the centre gripping in-process, stability when also being in order to promote centre gripping circuit board simultaneously, thereby cause the damage of circuit board, the top position of fixed head 202 is the circular arc head of rubber material, the circular arc head of rubber material preparation is for the top of protection circuit board does not damage, the circular arc head of rubber material preparation has been received the hardness of rubber material and has been reduced compared with the edge of bottom rack 203, the hardness is reduced because the hardness of the circuit board is not changed to the hardness of the partial hardness of the circuit board is greatly reduced, the hardness is not changed to the hardness of the circuit board is not changed to the hardness of the surface of the circuit board is not used.

The whole frame 1 includes crossbeam 101, riser 102 and base 103, and the both sides of crossbeam 101 are provided with riser 102 to the base 103 is installed to the lower extreme of riser 102, adopts welded mode to go between base 103 and the riser 102 to connect, promotes whole structure rigidity and the stability of whole frame 1, and the crossbeam 101 of centre setting can make the installation of moving assembly 3 more convenient.

The moving assembly 3 comprises a threaded screw 301, a knob 302, a cylindrical tube 303 and a sleeve block 304, wherein the knob 302 is arranged on the upper portion of the threaded screw 301, the cylindrical tube 303 is arranged on two sides of the threaded screw 301, the sleeve block 304 is arranged on the surface of the cylindrical tube 303, the threaded screw 301 and the knob 302 are in threaded connection, the threaded screw 301 and the knob 302 form a movable threaded screw structure, the movable threaded structure can realize the up-and-down displacement of the upper rack 201 connected to one end of the threaded screw 301, so that the clamping process of a required circuit board is realized, the arranged cylindrical tube 303 is matched with the sleeve block 304 for use, the friction force born by the upper rack 201 in the moving process can be reduced, the mechanical movement process of the upper rack 201 is enabled to be more smooth, an operator can control the clamping process of the upper rack 201 more accurately, and the circuit board is prevented from being damaged accidentally.

The fixed subassembly 4 includes nut 401, fixed block 402 and connecting strip 403, and install the nut 401 around the fixed block 402, and the bottom of fixed block 402 is provided with connecting strip 403, constitute detachable helicitic texture between fixed block 402 and the nut 401, this detachable helicitic texture is convenient for install and dismantle, it uses to have the collocation connecting strip 403 simultaneously, make fixed removal subassembly 3 fixed more firm, guarantee the operability of facility, and stability, prevent because of part does not have the ampere change firm, thereby cause the problem that the circuit board can not normally be detected.

Working principle: for the detection clamp with the built-in clamping mechanism, firstly, the welded vertical plate 102, the base 103 and the cross beam 101 are placed at a proper position through the integral frame 1 fixed by nuts, then a circuit board to be detected is placed in the groove 204 on the bottom frame 203 in the clamping assembly 2, then the fixing assembly 4 arranged on the control cross beam 101 is fixed by the nut 401 through the fixing block 402, then the knob 302 in the moving assembly 3 fixed by the connecting strip 403 is rotated, the threaded screw 301 is driven to rotate by the knob 302, so that the downward displacement of the upper frame 201 connected to the bottom of the threaded screw 301 is realized, meanwhile, the fixing head 202 arranged on the upper frame 201 is also downwards displaced, in the downward displacement process, the displacement position of the upper frame is limited by the cylindrical tube 303, meanwhile, the sleeve block 304 is sleeved on the cylindrical tube 303, the friction force between the upper frame 201 and the cylindrical tube 303 is reduced, the fixing head 202 can be more screwed to a proper position, and after the proper position is reached, the knob 302 is stopped rotating, the circuit board is clamped, and thus the use process of the detection clamp with the built-in clamping mechanism is completed.

Claims

1. Detection anchor clamps with built-in fixture, including whole frame (1), clamping component (2), remove subassembly (3) and fixed subassembly (4), its characterized in that: the inside of whole frame (1) is provided with movable assembly (3), and the below of movable assembly (3) is connected with clamping assembly (2), the surface of movable assembly (3) is provided with fixed subassembly (4), clamping assembly (2) are including last rack (201), dead head (202), rack (203) and recess (204), the lower surface of going up rack (201) is connected with dead head (202), and bottom rack (203) are installed to the below of dead head (202) to the surface of bottom rack (203) is provided with recess (204).

2. A test fixture with a built-in clamping mechanism as claimed in claim 1, wherein: the recess (204) is 3mm submerged compared to the edge of the table frame (203).

3. A test fixture with a built-in clamping mechanism as claimed in claim 1, wherein: the top of the fixed head (202) is a circular arc head made of rubber.

4. A test fixture with a built-in clamping mechanism as claimed in claim 1, wherein: the integral frame (1) comprises a cross beam (101), vertical plates (102) and a base (103), wherein the vertical plates (102) are arranged on two sides of the cross beam (101), and the base (103) is arranged at the lower ends of the vertical plates (102).

5. A test fixture with a built-in clamping mechanism as claimed in claim 1, wherein: the moving assembly (3) comprises a threaded screw rod (301), a knob (302), a cylindrical tube (303) and a sleeve block (304), wherein the knob (302) is installed on the upper portion of the threaded screw rod (301), the cylindrical tube (303) is arranged on two sides of the threaded screw rod (301), and the sleeve block (304) is arranged on the surface of the cylindrical tube (303).

6. The inspection jig with built-in clamping mechanism of claim 5, wherein: the threaded screw rod (301) is in threaded connection with the knob (302).

7. A test fixture with a built-in clamping mechanism as claimed in claim 1, wherein: the fixing assembly (4) comprises a screw cap (401), a fixing block (402) and a connecting strip (403), the screw cap (401) is installed around the fixing block (402), and the connecting strip (403) is arranged at the bottom of the fixing block (402).