Clamp for testing surface-mounted filter

By designing a fixture incorporating flexible materials and a push-pull mechanism, the problems of low efficiency and poor contact in surface-mount filter testing were solved, achieving efficient and stable signal conduction and grounding, and extending the probe's lifespan.

CN223955658UActive Publication Date: 2026-02-27HEFEI POWERSKY ELECTRONICS TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520500564.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-27
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Existing technologies suffer from low efficiency and poor contact in the testing of surface-mount filters, especially during continuous testing, where residual solder dross or poor contact continuity are common.

Method used

A fixture comprising a first metal block, a second metal block, a flexible metal strip, a flexible conductive adhesive tape, a test board, and probes was designed. The fixture achieves efficient and stable contact of the surface-mount filter through flexible materials and a push-pull mechanism, ensuring signal conduction and grounding.

Benefits of technology

This enables efficient and high-quality testing of surface-mount filters, ensuring tight contact and good signal conduction of all pins, and extending the lifespan of the probes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223955658U_ABST
    Figure CN223955658U_ABST
Patent Text Reader

Abstract

The utility model provides a clamp for testing a surface-mounted filter. The clamp comprises a first metal block, a second metal block, a flexible metal belt, a flexible conductive adhesive tape, a first test board, a second test board and a probe, the first metal block can be far away from or close to the second metal block, a flexible metal belt is arranged between the first metal block and the second metal block, and a first test plate and a plurality of probes arranged along the Y axis are sequentially arranged on the first metal block along the X axis; a flexible conductive adhesive tape, a plurality of probes arranged along the Y axis and a second test plate are sequentially arranged on the second metal block along the X axis, and each probe is communicated with the test plate at the corresponding position. According to the utility model, through the arrangement of the above structure, each probe can abut against all pins of the surface-mounted filter, so that two rows of pins at two sides of the surface-mounted filter are in close contact and signal conduction with the test plates at corresponding positions, and high-efficiency and high-quality testing of the surface-mounted filter through the clamp is realized.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to communication technical field, concretely is a kind of test table paste type filter's clamp. BACKGROUND

[0002] For the debugging test of surface mount type frequency hopping filter, the traditional test method such as direct soldering type is that the cable or wire of test instrument is directly welded on product pin pad, is disassembled after debugging, although good contact, but continuous test efficiency is low, use extremely inconvenient, and tin slag is easily left;There is also press type, reach the contact point conduction with test board by pressing two side pads with pressing strip etc., the defect is that contact point conduction is prone to poor contact, because it is two rigid plane hard contact, cannot make all contact points tightly connected;There is also a thimble type, but the function is not perfect, there is still a large improvement space in durability, convenience and signal commonality. INVENTION CONTENTS

[0003] The technical problem to be solved by the utility model lies in how to efficiently and high-quality test surface mount type filter through clamp.

[0004] The utility model solves the above technical problem by the following technical means:

[0005] A kind of test table paste type filter's clamp, including first metal block (3), second metal block (4), flexible metal band (6), flexible conductive adhesive tape (7), first test plate (8), second test plate (9), probe (12);First metal block (3) can be away from or close to second metal block (4), flexible metal band (6) is arranged between first metal block (3) and second metal block (4), first test plate (8) and multiple probes (12) along Y axis are sequentially arranged on first metal block (3) along X axis, flexible conductive adhesive tape (7), multiple probes (12) along Y axis, second test plate (9) are sequentially arranged on second metal block (4) along X axis, each probe (12) is communicated with the test plate of corresponding position.

[0006] Beneficial effects: through the setting of the first metal block, the second metal block, the flexible metal belt, the flexible conductive adhesive tape, the first test plate, the second test plate and the probe, each probe on the second metal block is in advance abuts against the corresponding pin on one side of the test table type filter, the first metal block can drive each probe thereon to tightly abut against the corresponding pin on the other side of the test table type filter, each probe can tightly abut against all pins of the test table type filter, so that the two rows of pins on both sides of the test table type filter are in close contact with the test plates at the corresponding positions and the signal is conducted; the flexible metal belt is arranged between the first metal block and the second metal block, so that the separated first metal block and the second metal block have good common ground of ground signal; the flexible conductive adhesive tape is different from the rigid metal surface, so as to ensure that the ground pad of the test table type filter has good grounding; and the test table type filter is tested by the clamp with high efficiency and high quality.

[0007] Further, the push-pull mechanism (2) is fixed on the first metal block (3), and the first metal block (3) is slidably connected with the second metal block (4) through the directional slide rod (5).

[0008] Beneficial effects: through the setting of the push-pull mechanism and the directional slide rod, the push-pull mechanism can drive the first metal block to stably move away from or close to the second metal block.

[0009] Further, the push-pull mechanism (2) includes a mounting seat (21), a push-pull rod (22), a linkage rod (23) and a handle (24), the top wall of the mounting seat (21) is fixed with a first mounting plate and a second mounting plate on both sides, the handle (24) is hingedly connected to the first mounting plate, the push-pull rod (22) is arranged through the second mounting plate along the X axis, one end of the push-pull rod (22) away from the mounting seat (21) is fixed on the first metal block (3), the free end of the push-pull rod (22) is hingedly connected with the linkage rod (23), and the free end of the linkage rod (23) is hingedly connected with the handle (24).

[0010] Further, at least one directional slide rod (5) is fixed on the side wall of the first metal block (3) close to the second metal block (4), a sliding groove is formed in the side wall of the second metal block (4) close to each directional slide rod (5), and each directional slide rod (5) is slidably connected in the sliding groove.

[0011] Further, the flexible metal belt (6) is a purple copper woven belt.

[0012] Beneficial effects: through the setting of the purple copper woven belt, the purple copper has high purity and high conductivity.

[0013] Further, the first test plate (8) and the second test plate (9) are both circuit boards.

[0014] Further, the first mounting plate (10) is fixed on the top wall of the first metal block (3) near one end of the second metal block (4), a plurality of probes (12) are sequentially and fixedly penetrated on the first mounting plate (10) along the Y axis, and the first mounting plate (10) is made of insulating material.

[0015] Further, the second mounting plate (11) is fixed on the top wall of the second metal block (4) in the middle, a plurality of probes (12) are sequentially and fixedly penetrated on the second mounting plate (11) along the Y axis, and the second mounting plate (11) is made of insulating material.

[0016] Beneficial effects: through the setting of the first mounting plate and the second mounting plate, two mounting plates with a row of holes punched are used to accurately position the positions of the two rows of probes, so that the probes are uniformly stressed, and the service life of the probes is prolonged.

[0017] Further, each probe (12) is a telescopic probe, and each telescopic probe has a telescopic part near the flexible conductive adhesive tape (7).

[0018] Further, the installation plate (1) further comprises a push-pull mechanism (2), a first metal block (3) and a second metal block (4) sequentially arranged on the top wall of the installation plate (1) along the X axis. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the clamp of the test table type filter in the faraway state of the embodiment of the utility model;

[0020] Figure 2 It is a perspective view of the clamp of the test table type filter in the close state of the embodiment of the utility model;

[0021] Figure 3 It is an assembly perspective view of the second metal block and the flexible conductive adhesive tape of the clamp of the test table type filter in the embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Embodiment one

[0024] As shown in Figure 1 , Figure 2 , Figure 3 , the embodiment provides a clamp for testing surface mount filter, comprising a mounting plate 1, a push-pull mechanism 2, a first metal block 3, a second metal block 4, a directional slide bar 5, a flexible metal strip 6, a flexible conductive adhesive tape 7, a first test plate 8, a second test plate 9, a first mounting plate 10, a second mounting plate 11, a probe 12.

[0025] As shown in Figure 1 , Figure 2 , the top wall of the mounting plate 1 is provided with the push-pull mechanism 2, the first metal block 3 and the second metal block 4 in sequence along the X axis, and the push-pull mechanism 2 is fixed on the top wall of the mounting plate 1 in the embodiment, the first metal block 3 is slidingly connected to the top wall of the mounting plate 1, and the second metal block 4 is fixed on the top wall of the mounting plate 1; the output end of the push-pull mechanism 2 is fixed on the first metal block 3, the first metal block 3 is slidingly connected to the second metal block 4 through the directional slide bar 5, and the push-pull mechanism 2 can drive the first metal block 3 to move away from or close to the second metal block 4, achieving the convenience of continuous clamping;

[0026] As shown in Figure 1 , Figure 2 , the first metal block 3 and the second metal block 4 are fixed with the flexible metal strip 6, so that the separated first metal block 3 and the second metal block 4 have good common ground property of ground signal, and the flexible metal strip 6 is a red copper braid in the embodiment, and the red copper has high purity and high conductivity;

[0027] As shown in Figure 1 , Figure 2 , the top wall of the first metal block 3 is fixed with the first test plate 8, and the top wall of the second metal block 4 away from the first metal block 3 is fixed with the second test plate 9 in the embodiment, and the first test plate 8 is fixed on the top wall of the first metal block 3 through bolts, and the second test plate 9 is fixed on the second metal block 4 through bolts, and the first test plate 8 and the second test plate 9 are both circuit boards.

[0028] As shown in Figure 1 , Figure 3 , the top wall of the second metal block 4 close to the first metal block 3 is fixed with the flexible conductive adhesive tape 7 in the middle, which is different from the rigid metal surface, and ensures the good grounding property of the surface mount filter ground pad;

[0029] As shown in Figure 1 , Figure 2As shown, the first metal block 3 top wall near one end of the second metal block 4 is fixed with a first mounting plate 10, the first mounting plate 10 is fixed with a plurality of probes 12 along the Y axis in turn, each probe 12 near the first metal block 3 one end is welded with the first test plate 8; The middle of the top wall of the second metal block 4 is fixed with a second mounting plate 11, the second mounting plate 11 is fixed with a plurality of probes 12 along the Y axis in turn, each probe 12 near the second test plate 9 one end is welded with the second test plate 9; Two mounting plates with a row of holes are used to accurately position the position of the two rows of probes 12, so that the probes 12 are uniformly stressed, prolonging the service life of the probes 12; Each probe 12 can tightly top all the pins of the surface mount type filter, so that the two rows of pins on both sides of the surface mount type filter are in close contact with the corresponding position of the test plate and the signal is conducted; The first mounting plate 10 and the second mounting plate 11 are made of insulating material, and the first mounting plate 10 and the second mounting plate 11 in the example are acrylic plates; The probe 12 in the example is a telescopic probe, and the telescopic probe near the flexible conductive cloth 7 one end is a telescopic part.

[0030] As shown in Figure 1 , Figure 2 The push-pull mechanism 2 includes a mounting seat 21, a push-pull rod 22, a linkage rod 23, and a handle 24. The mounting seat 21 is fixed on the top wall of the mounting plate 1 by bolts. The top wall of the mounting seat 21 is fixed with a first mounting plate and a second mounting plate on both sides. The first mounting plate is hinged with the handle 24. The second mounting plate is provided with the push-pull rod 22 along the X axis. The push-pull rod 22 can slide along the X axis in the second mounting plate. The end of the push-pull rod 22 away from the mounting seat 21 is fixed on the first metal block 3. The free end of the push-pull rod 22 is hinged with the linkage rod 23. The free end of the linkage rod 23 is hinged on the handle 24. The rotation of the handle 24 can drive the push-pull rod 22 to move along the X axis through the linkage rod 23, and then drive the first metal block 3 to move along the X axis.

[0031] As shown in Figure 1 , Figure 2 The side wall of the first metal block 3 near the second metal block 4 is fixed with at least one directional slide rod 5. The side wall of the second metal block 4 near each directional slide rod 5 is provided with a sliding groove. Each directional slide rod 5 is slidingly connected in each sliding groove. In the example, two directional slide rods 5 are provided and fixed on the front and rear sides of the side wall of the first metal block 3. The two ends of the flexible metal strip 6 are welded and fixed on the middle of the bottom wall of the first metal block 3 and the second metal block 4.

[0032] In use, the product to be tested is placed on the top wall of the second metal block 4 close to the first metal block 3, the bottom surface ground pad of the product to be tested is attached to the flexible conductive adhesive tape 7 on the top wall of the second metal block 4, a row of probes 12 on the second mounting plate 11 is in contact with a row of pins on one side of the product to be tested, the push-pull mechanism 2 drives the first metal block 3 to move towards the second metal block 4, when the first metal block 3 is pushed tightly to the second metal block 4, a row of probes 12 on the first mounting plate 10 is in contact with a row of pins on the other side of the product to be tested; the external testing device is in communication with the input probes and the output probes in the plurality of probes 12 through the test pads on the test board through two cables for testing.

[0033] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A jig for testing a table-mounted filter, characterized by, The first metal block (3), the second metal block (4), the flexible metal band (6), the flexible conductive adhesive tape (7), the first test plate (8), the second test plate (9), the probe (12); The first metal block (3) can be away from or close to the second metal block (4), and the flexible metal band (6) is arranged between the first metal block (3) and the second metal block (4). The first metal block (3) is sequentially provided with the first test plate (8) along the X axis and a plurality of probes (12) arranged along the Y axis. The second metal block (4) is sequentially provided with the flexible conductive adhesive tape (7), a plurality of probes (12) arranged along the Y axis, and the second test plate (9) along the X axis. Each probe (12) is in communication with the test plate at the corresponding position.

2. The test fixture for a table-top filter of claim 1, wherein: The push-pull mechanism (2) is further provided, and the output end of the push-pull mechanism (2) is fixed on the first metal block (3). The first metal block (3) is slidably connected with the second metal block (4) through the directional slide rod (5).

3. The test fixture for a table-top filter of claim 2, wherein: The push-pull mechanism (2) comprises a mounting seat (21), a push-pull rod (22), a linkage rod (23), and a handle (24). The first mounting plate and the second mounting plate are respectively fixed on the two sides of the top wall of the mounting seat (21). The handle (24) is hingedly connected to the first mounting plate. The push-pull rod (22) is arranged through the second mounting plate along the X axis. The end of the push-pull rod (22) away from the mounting seat (21) is fixed on the first metal block (3). The free end of the push-pull rod (22) is hingedly connected with the linkage rod (23). The free end of the linkage rod (23) is hingedly connected with the handle (24).

4. The test fixture for a table-mounted filter of claim 2, wherein: At least one directional slide rod (5) is fixed on the side wall of the first metal block (3) close to the second metal block (4). A slide groove is formed in the side wall of the second metal block (4) close to each directional slide rod (5). Each directional slide rod (5) is slidably connected in the slide groove.

5. The test fixture for a table-top filter of claim 1, wherein: The flexible metal band (6) is a purple copper woven band.

6. The test fixture for a table-top filter of claim 1, wherein: The first test plate (8) and the second test plate (9) are both circuit boards.

7. The test fixture for a table-top filter of claim 1, wherein: A first mounting plate (10) is fixed on the top wall of the first metal block (3) close to the second metal block (4). A plurality of probes (12) are sequentially fixed on the first mounting plate (10) along the Y axis. The end of each probe (12) close to the first metal block (3) is welded and fixed with the first test plate (8). The first mounting plate (10) is made of insulating material.

8. The test fixture for a table-top filter of claim 1, wherein: A second mounting plate (11) is fixed on the top wall of the second metal block (4) at the middle part. A plurality of probes (12) are sequentially fixed on the second mounting plate (11) along the Y axis. The end of each probe (12) close to the second test plate (9) is welded and fixed with the second test plate (9). The second mounting plate (11) is made of insulating material.

9. The test fixture for a table-top filter of claim 1, wherein: Each probe (12) is a telescopic probe. The end of each telescopic probe close to the flexible conductive adhesive tape (7) is a telescopic part.

10. The test fixture for a table-top filter of claim 1, wherein: A mounting plate (1) is further provided. The push-pull mechanism (2), the first metal block (3), and the second metal block (4) are sequentially arranged on the top wall of the mounting plate (1) along the X axis.