Back probe pressing module for test fixture

Abstract

The utility model discloses a back probe pressing module for a test fixture, which relates to the technical field of test fixtures and comprises a bottom plate, the top of the bottom plate is slidably connected with a probe mechanism, the side surface of the top of the bottom plate is fixedly provided with a pressing mechanism, and one side of the pressing mechanism is fixedly connected with a pressing mechanism. According to the utility model, the rapid pressing clamp is manually pressed down, at the moment, the rapid pressing clamp drives the lifting rod and the connecting block to descend, the pressing frame descends and drives the pulley guide block to descend at the same time, and then the pulley guide block pushes the bearing pulley when descending, so that the sliding frame drives the probe seat and the sleeve probe to move forwards; the pressing frame descends and drives the pressing block to descend at the same time, the pressing block descends and can fix the conductive wire row of the product, and therefore the sleeve probe and the conductive wire row can be conveniently connected in an inserted mode. And moreover, the problem that manual connection causes errors in power-on detection is effectively avoided, and the use effect is relatively good.

Description

TECHNICAL FIELD

[0001] The utility model relates to test fixture technical field, concretely is a back probe compression module for test fixture. BACKGROUND

[0002] Product power-on test is an important link to ensure product quality and performance, verifies whether product can normally work under the condition of power on, including whether the light emitting function is normally opened, whether the brightness is even, whether the color is accurate, etc., checks whether the product has electrical faults, such as short circuit, open circuit, leakage, etc., evaluates the stability and reliability of the product, and ensures that no abnormal situation occurs in the long-time use.

[0003] In the prior art, the conductive wire rows of the test module and the product need to be manually connected to each other to perform power-on test, and the existing connection is often manually inserted by artificial, which not only leads to low overall work efficiency, but also causes certain connection error by manual connection, affecting the overall power-on detection effect. UTILITY MODEL CONTENT

[0004] Therefore, the utility model discloses a back probe compression module for test fixture to solve the technical problem that the overall work efficiency is low and the manual connection causes certain connection error in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a back probe compression module for test fixture, including bottom plate, the probe mechanism is slidably connected on the top of bottom plate, the lower pressure mechanism is fixed on the side surface of the top of bottom plate, and the pressure mechanism is connected to the lower pressure mechanism on one side;

[0006] The probe mechanism includes sliding frame, bearing pulley and sleeve probe, the bearing pulley is movably connected to the top end of sliding frame, and the sleeve probe is fixed to the middle position of the top of sliding frame, the lower pressure mechanism includes quick pressure clamp and lifting rod, the lifting rod is fixed to the bottom of quick pressure clamp, the pressure mechanism includes pressure frame, and the pressure frame is fixedly connected to the lifting rod, one end of the pressure frame is fixedly connected to pulley guide block, and the pulley guide block and the outer surface of bearing pulley are in contact with each other;

[0007] The lower pressure mechanism further includes fixed block, support frame and connecting block, the fixed block is fixed on the bottom plate, the support frame is fixed on the fixed block, and the support frame and the lifting rod are slidably connected;

[0008] The lifting rod and the pressure frame are fixedly connected to each other through the connecting block, and the connecting block and the pressure frame are tightly connected to each other through a plurality of bolts;

[0009] The pressing mechanism further comprises elastic guide columns and pressing blocks, and springs are arranged between the elastic guide columns and the pressing frame and are in sliding connection with each other, and the pressing blocks are fixed at the bottom of the two groups of elastic guide columns;

[0010] The probe mechanism further comprises a probe seat, a spring cylinder and a guide rail, the sleeve probe is fixed on the probe seat, and the probe seat is fixed on the top of the sliding frame;

[0011] A micro switch is fixed on one side of the bottom plate and is located directly below one side of the pressing frame.

[0012] By adopting the above technical scheme, when the sleeve probe needs to be in communication with the product wire row, the operator manually presses down the quick pressing clamp, at this time the quick pressing clamp drives the lifting rod and the connecting block to descend, and then the connecting block drives the pressing frame to descend, wherein the pressing frame descends while driving the pulley guide block to descend, and since the pulley guide block is arranged at an inclined angle, the pulley guide block pushes the bearing pulley when it descends, so that the sliding frame drives the probe seat and the sleeve probe to move forward, and then the sleeve probe can be inserted with the wire row of the product;

[0013] At the same time, the pressing frame descends while driving the pressing block to descend, and then the pressing block can fix the conductive wire row of the product, so as to facilitate the mutual insertion and communication of the sleeve probe and the conductive wire row, the overall operation is more convenient, and the problem of error caused by manual connection in power-on detection is effectively avoided, and the use effect is good.

[0014] Further, a support seat is fixed at one end of the top of the bottom plate, spring guide rods penetrating through the sliding frame are fixed on both sides of one end of the support seat, spring cylinders matched with the spring guide rods are arranged outside the two groups of spring guide rods, springs are arranged in the spring cylinders, and the two ends of the springs are fixedly connected with the sliding frame and the support seat, respectively.

[0015] By adopting the above technical scheme, the spring guide rod plays a sliding guiding role for the sliding frame, and the spring cylinder plays a resetting role for the sliding frame, and specifically, the spring cylinder is made of flexible material and does not affect the compression or resetting elongation of the internal spring.

[0016] Further, guide rail sliders are fixed on both sides of the bottom plate, the sliders in the guide rail sliders are fixed at one end of the pressing frame, and guide rails are fixed on the bottom plate.

[0017] By adopting the above technical scheme, the guide rail slider plays a guiding role for the pressing frame when it ascends and descends, so that the pressing frame ascends and descends more stably.

[0018] In summary, the utility model mainly has the following beneficial effects: the utility model discloses when the sleeve probe and the product conductive wire row need to be interconnected, the staff manually presses the quick pressure clamp, the quick pressure clamp drives the lifting rod and the connecting block to descend, and then the connecting block drives the pressing frame to descend, wherein the pressing frame descends simultaneously and drives the pulley guide block to descend, because the pulley guide block is arranged at an inclined angle, and then the pulley guide block is pushed when descending, so that the sliding frame drives the probe seat and the sleeve probe to move forward, and then the sleeve probe can be inserted with the wire row of the product, at the same time, the pressing frame descends simultaneously and drives the pressing block to descend, and then the pressing block can fix the conductive wire row of the product, so that the sleeve probe and the conductive wire row are conveniently inserted and interconnected, the overall operation is more convenient, and the problem of error in power-on detection caused by manual connection is avoided, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the exploded view of the utility model as a whole;

[0020] Figure 2 It is the structure schematic view of the utility model down -pressing mechanism:

[0021] Figure 3 It is the structure schematic view of the utility model pressing mechanism:

[0022] Figure 4 It is the first perspective structure schematic view of the utility model as a whole:

[0023] Figure 5 It is the A place enlarged view of the utility model Figure 4 ;

[0024] Figure 6 It is the structure schematic view of the utility model probe mechanism;

[0025] Figure 7 It is the second perspective structure schematic view of the utility model as a whole.

[0026] In the drawing: 1, bottom plate;2, down -pressing mechanism;201, fixed block;202, support frame;203, quick pressure clamp;204, lifting rod;205, connecting block;3, pressing mechanism;301, pressing frame;302, elastic guide column;303, pressing block;4, probe mechanism;401, sliding frame;402, bearing pulley;403, probe seat;404, sleeve probe;405, spring barrel;406, guide rail;5, pulley guide block;6, support seat;7, spring guide rod;8, micro switch;9, guide rail sliding block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0028] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0029] A back probe pressing module for a test fixture, as shown in Figures 1-7 The back probe pressing module for a test fixture comprises a bottom plate 1, a probe mechanism 4 slidably connected to the top of the bottom plate 1, a pressing mechanism 3 fixed to one side of the pressing mechanism 2 fixed to the side surface of the top of the bottom plate 1, and a pressing mechanism 3 fixed to the side surface of the top of the bottom plate 1.

[0030] The probe mechanism 4 comprises a sliding frame 401, a bearing pulley 402 and a sleeve probe 404, the bearing pulley 402 is movably connected to the top end of the sliding frame 401, and the sleeve probe 404 is fixed to the middle position of the top of the sliding frame 401.

[0031] The pressing mechanism 2 further comprises a fixed block 201, a support frame 202 and a connecting block 205, the fixed block 201 is fixed to the bottom plate 1, the support frame 202 is fixed to the fixed block 201, and the support frame 202 and the lifting rod 204 are slidably connected.

[0032] The lifting rod 204 and the pressing frame 301 are fixedly connected to each other through the connecting block 205, and the connecting block 205 and the pressing frame 301 are tightly connected to each other through a plurality of bolts.

[0033] When the sleeve probe 404 needs to be in communication with the product conductive wire row, the worker manually presses down the quick pressing clamp 203, at this time, the quick pressing clamp 203 drives the lifting rod 204 and the connecting block 205 to descend, and then the connecting block 205 drives the pressing frame 301 to descend.

[0034] At the same time, the pressing frame 301 drives the pulley guide block 5 to descend, because the pulley guide block 5 is arranged at an inclined angle, the pulley guide block 5 pushes the bearing pulley 402 when descending, so that the sliding frame 401 drives the probe seat 403 and the sleeve probe 404 to move forward, and then the sleeve probe 404 can be inserted into the product wire row.

[0035] The pressing mechanism 3 further comprises elastic guide columns 302 and pressing blocks 303, and springs are arranged between the elastic guide columns 302 and the pressing frame 301 and in sliding connection with each other, and the pressing blocks 303 are fixed at the bottom of the two groups of elastic guide columns 302;

[0036] The pressing frame 301 is lowered to drive the pressing blocks 303 to be lowered, and the lowering of the pressing blocks 303 can fix the conductive wire row of the product, so as to facilitate the mutual insertion and communication of the sleeve probe 404 and the conductive wire row, the overall operation is more convenient, and the problem of error caused by manual connection in power-on detection is effectively avoided, and the use effect is good;

[0037] The probe mechanism 4 further comprises a probe seat 403, a spring barrel 405 and a guide rail 406, the sleeve probe 404 is fixed on the probe seat 403, and the probe seat 403 is fixed on the top of the sliding frame 401;

[0038] The bottom plate 1 is fixed with a micro switch 8 on one side, and the micro switch 8 is located directly below one side of the pressing frame 301.

[0039] Please refer to Figure 1 and Figure 6 , the top of the bottom plate 1 is fixed with a support seat 6 at one end, and the support seat 6 is fixed with spring guide rods 7 penetrating through the sliding frame 401 at both sides of one end, the outer sides of the two groups of spring guide rods 7 are provided with spring barrels 405 matched therewith, the spring barrels 405 are internally provided with springs, and the two ends of the springs are fixedly connected with the sliding frame 401 and the support seat 6 respectively, and the utility model discloses the above structure, wherein the spring guide rods 7 play a sliding guide role for the sliding frame 401, and the spring barrels 405 play a resetting role for the sliding frame 401, and specifically, the spring barrels 405 are made of flexible material, which will not affect the compression or resetting elongation of the internal springs.

[0040] Please refer to Figure 1 , the bottom plate 1 is fixed with guide rail sliding blocks 9 at both sides, the sliding blocks in the guide rail sliding blocks 9 are fixed at one end of the pressing frame 301, and the guide rails are fixed on the bottom plate 1, and the utility model discloses the above structure, wherein the guide rail sliding blocks 9 play a guiding role when the pressing frame 301 is lifted or lowered, so that the pressing frame 301 is more stable when being lifted or lowered.

[0041] The working principle of the utility model is as follows: when in use, the power supply is turned on, so that the external power supply is in communication with the sleeve probe 404 through the wires;

[0042] When it is needed to make the sleeve probe 404 and the product conductive wire row in communication with each other, the staff manually presses the quick pressing clamp 203, at this time, the quick pressing clamp 203 drives the lifting rod 204 and the connecting block 205 to be lowered, and then the connecting block 205 drives the pressing frame 301 to be lowered;

[0043] Wherein the pressing frame 301 is lowered while driving the pulley guide block 5 to be lowered, since the pulley guide block 5 is arranged at an inclined angle, the pulley guide block 5 pushes the bearing pulley 402 when it is lowered, so that the sliding frame 401 drives the probe base 403 and the sleeve probe 404 to move forward, so that the sleeve probe 404 can be inserted with the wire harness of the product;

[0044] At the same time, the pressing frame 301 is lowered while driving the pressing block 303 to be lowered, so that the pressing block 303 can fix the conductive wire harness of the product, so as to facilitate the mutual insertion of the sleeve probe 404 and the conductive wire harness, the overall operation is more convenient, and the problem of error caused by human connection in power detection is effectively avoided, and the use effect is good;

[0045] Further, when the detection is completed, the worker releases the quick pressing clamp 203 to rise, at this time the spring cylinder 405 will retreat the probe mechanism 4 to the initial state, specifically, the spring cylinder 405 is provided with a spring inside, when the sliding frame 401 slides forward, the spring inside the spring cylinder 405 is compressed, when the detection is completed, the compressed spring is released, so that the probe mechanism 4 can be retreated to the original position.

[0046] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make non-creative contribution modifications, replacements and variations of the embodiments according to the needs after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A back probe press-fit module for a test fixture, comprising a base plate (1), characterized in that: The bottom plate (1) top sliding connection has probe mechanism (4), the bottom plate (1) top side fixedly has the down mechanism (2), and the down mechanism (2) one side is fixedly connected with the pressing mechanism (3); The probe mechanism (4) includes sliding frame (401), bearing pulley (402) and sleeve probe (404), and the sliding frame (401) top end is movably connected with the bearing pulley (402), and the sleeve probe (404) is fixed at the top middle position of the sliding frame (401), the down mechanism (2) includes quick pressing forceps (203) and lifting rod (204), the lifting rod (204) is fixed at the bottom of the quick pressing forceps (203), the pressing mechanism (3) includes pressing frame (301), and the pressing frame (301) and the lifting rod (204) are fixedly connected, one end of the pressing frame (301) is fixedly connected with pulley guide block (5), and the pulley guide block (5) and the outer surface of the bearing pulley (402) are in contact with each other.

2. The back probe press-fit module for a test fixture of claim 1, wherein: The down mechanism (2) further includes fixed block (201), support frame (202) and connecting block (205), the fixed block (201) is fixed on the bottom plate (1), the support frame (202) is fixed on the fixed block (201), and the support frame (202) and the lifting rod (204) are slidably connected.

3. The back probe press module for test fixture of claim 2, wherein: The lifting rod (204) and the pressing frame (301) are fixedly connected through the connecting block (205), and the connecting block (205) and the pressing frame (301) are tightly connected through a plurality of bolts.

4. The back probe press module for a test handler of claim 1, wherein: The pressing mechanism (3) further includes elastic guide column (302) and pressing block (303), and a spring is arranged between the elastic guide column (302) and the pressing frame (301), and they are slidably connected, and the pressing block (303) is fixed at the bottom of the two elastic guide columns (302).

5. The back probe press module for test fixture of claim 1, wherein: The probe mechanism (4) further includes probe seat (403), spring barrel (405) and guide rail (406), the sleeve probe (404) is fixed on the probe seat (403), and the probe seat (403) is fixed on the top of the sliding frame (401).

6. The back probe press module for test fixture of claim 5, wherein: One end of the bottom plate (1) top is fixedly connected with support seat (6), one end of the support seat (6) is fixedly connected with spring guide rod (7) on both sides, spring guide rod (7) outside is provided with spring barrel (405) matched with it, spring barrel (405) is provided with spring inside, and the both ends of the spring are fixedly connected with the sliding frame (401) and the support seat (6) respectively.

7. The back probe press module for a test fixture of claim 1, wherein: One side of the bottom plate (1) is fixedly connected with micro switch (8), and the micro switch (8) is located directly below one side of the pressing frame (301).

8. The back probe press module for a test fixture of claim 1, wherein: Both sides of the bottom plate (1) are fixedly connected with guide rail sliding block (9), and the sliding block in the guide rail sliding block (9) is fixed at one end of the pressing frame (301), and the guide rail is fixed on the bottom plate (1).

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