A data line electrical performance detection jig

Abstract

The present application relates to the technical fields of data line detection, in particular to a kind of data line electrical performance detection tool.Jig includes two struts, the top of strut is equipped with symmetrical support, the top of support is equipped with sliding slot with rack, sliding assembly is slidably connected on support;Two second gears that mesh with each other are arranged in sliding assembly, and clamping assembly is symmetrically connected to the top of second gear via support block;One of second gears is engaged with first gear, and button block is arranged on the top of first gear.By rotating first gear through button block, two second gears are driven to rotate synchronously in opposite directions, clamping assembly is driven to adjust opening and closing angle synchronously, and the distance between sliding assembly is adjusted, so that each end angle of data line connector is clamped between the inner wall of the angle of two sets of clamping assembly, and the traditional plane pair of clamps is converted into point clamping to end angle part.

Description

Technical Field

[0001] This invention relates to the field of data cable testing technology, and more specifically, to a fixture for testing the electrical performance of data cables. Background Technology

[0002] Electrical performance testing of data cables refers to testing key electrical indicators such as continuity resistance, insulation resistance, and withstand voltage of the connectors at both ends of the data cable (such as USB plugs, Type-C connectors, HDMI connectors, etc.) to determine whether they meet design or production standards and ensure the signal transmission stability and electrical safety of the data cable in actual use.

[0003] For electrical performance testing of data cable connectors, a specialized fixture is required to ensure stable clamping and electrical connection of the tested component. The clamping mechanism is the core component of this fixture. In existing technologies, clamping fixtures adapted for data cable connector testing often employ a planar clamping structure, typically including an insulated support base, symmetrically arranged planar clamps, and a locking and adjusting assembly. During testing, the data cable connector is placed between the two planar clamps. By tightening the adjusting screws or driving the pneumatic assembly, the planar end faces of the two clamps are tightly fitted against the outer surfaces of the connector, thus fixing and positioning the connector. Subsequently, the probes or leads of the testing instrument are connected to the connector terminals or the conductive contacts of the clamping block for testing.

[0004] However, in practical applications, existing planar clamping structures, especially for data cable connectors with thin walls made of plastic or lightweight alloys, exert their clamping force directly on the entire side plane of the connector. This planar contact causes stress concentration in the weak areas of the connector's sidewalls. Under the squeezing force, thin-walled connectors are prone to damage such as sidewall crushing, deformation, denting, or cracking. This deformation can lead to terminal position shifts, causing problems such as poor probe contact and unstable electrical connections during testing. Consequently, it can result in distorted test data such as continuity resistance and insulation resistance, leading to misjudgments of pass or fail.

[0005] Therefore, there is an urgent need for a data cable electrical performance testing fixture to solve the above problems. Summary of the Invention

[0006] This invention provides a data cable electrical performance testing fixture. It features symmetrical supports, sliding components slidably connected to the supports, and meshing gears (number one and number two) within the sliding components. When the button block drives the number one gear to rotate, it causes the two number two gears to rotate synchronously in opposite directions. This, in turn, drives the clamping components at the ends of the two supports to synchronously adjust the opening and closing angles. Simultaneously, the spacing between the two sliding components is adjusted so that the four corners of the data cable connector to be tested are clamped between the inner walls of the angles of the two sets of symmetrical clamping components. This transforms the traditional planar clamping fixture's comprehensive compression of the side plane into point clamping of the four corners of the connector, thereby solving the problems mentioned in the background art.

[0007] When testing thin-walled data cable connectors, the existing planar clamping structure applies clamping force directly to the entire side plane, which can easily lead to crushing, deformation, or even cracking of the connector sidewall. This can cause problems such as poor probe contact, distorted test data, and misjudgment of whether the connector is qualified or unqualified.

[0008] To achieve the above objectives, the electrical performance testing fixture for the data cable includes a base, two pillars fixedly connected to the top of the base, a bracket on the top of each pillar, the two brackets being symmetrically arranged, a groove on the top of each bracket, a rack on the inner wall of the groove, and a sliding component slidably connected to the bracket.

[0009] The sliding assembly has two meshing No. 2 gears inside, and a support block is fixedly connected to the top of the No. 2 gear. Clamping components are symmetrically fixedly connected to the ends of the two support blocks.

[0010] One of the gears, the No. 2 gear, is meshed with the outer wall of the No. 1 gear. The No. 1 gear is located inside the sliding assembly, and a button block is fixedly connected to the top of the No. 1 gear.

[0011] The button is used to drive the first gear to rotate, which in turn drives the meshing second gear to rotate synchronously, so as to realize the synchronous adjustment of the opening and closing angle between the two clamping components.

[0012] The data cable connector to be tested is placed between the inner walls of the included angle of two sets of symmetrical clamping components. By adjusting the relative distance between the two sliding components and coordinating with the angle adjustment of the clamping components, the data cable connector can be clamped and fixed at the four corners.

[0013] In the above technical solution, because a symmetrical bracket and a toothed groove are provided, the sliding component can slide on the bracket to adjust the relative distance between the two sliding components and adapt to data cable connectors of different sizes; and because two meshing second gears are provided inside the sliding component, and one of the second gears meshes with the first gear, and the top of the first gear is provided with a button, turning the button can drive the first gear to rotate, thereby driving the two second gears to rotate synchronously in opposite directions, realizing the synchronous adjustment of the opening and closing angle of the two clamping components and ensuring the symmetry of the clamping components;

[0014] By placing the data cable connector to be tested between the inner walls of two sets of symmetrical clamping components, and adjusting the distance between the sliding components and the angle between the clamping components, the four corners of the data cable connector can be clamped and fixed. This ensures that the clamping force is applied to the four corners where the connector has higher strength, rather than the entire side plane, thus avoiding stress concentration and preventing crushing, deformation, denting, or cracking of thin-walled plastic or lightweight alloy connectors.

[0015] Based on this, the sliding assembly includes a sliding cover that is slidably connected to the top of the bracket. Sliding rods are fixedly connected to the bottom of the sliding cover near both sides. The sliding rods are L-shaped and slidably connected to the side wall of the bracket. Two pressing members are movably connected to the bottom of the sliding cover and are movably connected inside the sliding groove of the bracket.

[0016] The pressing component includes a push block, two push blocks are symmetrically and movably connected between the bottom of the sliding cover and the top of the sliding rod, a No. 1 spring is fixedly connected between the inside of the push block and the sliding cover, and multiple inserts are fixedly connected to the bottom of the push block.

[0017] Furthermore, the insert is engaged with the rack, and the end angles of both the insert and the rack are arc angles, which facilitates the insertion of the insert and its engagement with the rack.

[0018] In this technical solution, both the first gear and the second gear are rotatably engaged inside the sliding cover, and the diameters of the button block and the support block are smaller than the diameters of the first gear and the second gear. The top of the button block is provided with a cross groove to facilitate tool turning.

[0019] In addition, multiple locking components are provided between the bottom of the first gear and the inside of the sliding cover, and the number of locking components is equal to the number of teeth of the first gear.

[0020] The locking assembly includes a ball, which is movably connected between the bottom of the first gear and the inside of the sliding cover, and a second spring is fixedly connected between the ball and the inside of the sliding cover.

[0021] In another technical solution, the clamping assembly includes pads and bending members, the pads are fixedly connected to the ends of the support blocks, and the bending members are fixedly connected to the opposite sides of the two pads.

[0022] The pads are made of silicone, and the opposite sides of the two pads are provided with teeth to provide supplementary contact during deformation; the opposite side of the pads is provided with a triangular groove to press against the end corner of the data cable connector.

[0023] The bending component includes multiple I-beams and multiple protrusions, with a protrusion engaged between two adjacent I-beams, and the I-beams and protrusions are rotatably connected by a rotating shaft.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] 1. When the first gear is driven to rotate by the button block, it drives the two second gears to rotate synchronously in opposite directions, thereby driving the clamping components at the ends of the two support blocks to achieve synchronous adjustment of the opening and closing angle. At the same time, in conjunction with the adjustment of the distance between the two sliding components, each end corner of the data cable connector to be tested is clamped between the inner walls of the angle of the two sets of symmetrical clamping components. This transforms the comprehensive compression of the side plane by the traditional planar clamping fixture into point clamping of each corner of the end, thereby avoiding the concentration of clamping stress on the thin-walled side plane and preventing the connector made of plastic or light alloy material from being crushed, deformed, dented or cracked.

[0026] 2. By setting the clamping component as a silicone pad and a bent part consisting of multiple I-shaped plates and protrusions connected by a rotating shaft, the triangular groove on the opposite side of the pad presses against the end corner of the data cable connector. The elasticity of the silicone provides buffer protection, and the bent part bends appropriately according to the shape of the connector during the clamping process, forming a semi-enclosed protective cavity around the data cable connector. When the operator inserts the probe into the contact terminal, the cavity wall can act as a physical limit to prevent the probe from slipping and accidentally touching the metal clamp or other pins, thus reducing the risk of short circuit. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the structure of a single clamping device of the present invention;

[0029] Figure 3 This is a schematic diagram of the internal structure of the sliding component of the present invention;

[0030] Figure 4 This is a top view of the sliding component structure of the present invention;

[0031] Figure 5 This is a schematic diagram of the sliding component structure of the present invention;

[0032] Figure 6 This is a schematic diagram of the pressing component structure of the present invention;

[0033] Figure 7 This is a schematic diagram of the moving state of the sliding component of the present invention;

[0034] Figure 8 This is a schematic diagram of the meshing structure of gear No. 1 and gear No. 2 of the present invention;

[0035] Figure 9 This is a schematic diagram of the bottom structure of the first gear of the present invention;

[0036] Figure 10 This is a schematic diagram of the locking component structure of the present invention;

[0037] Figure 11 This is a schematic diagram of the bending component structure of the present invention;

[0038] Figure 12 This is a schematic diagram of the deformable structure of the clamping component of the present invention.

[0039] The meanings of the labels in the diagram are as follows:

[0040] 1. Base; 11. Support column; 12. Bracket; 13. Rack;

[0041] 2. Sliding assembly; 21. Sliding cover; 22. Sliding rod; 23. Pressing element;

[0042] 230. Push block; 231. Spring No. 1; 232. Insert bar;

[0043] 3. Gear No. 1; 31. Button block; 32. Locking assembly; 320. Ball; 321. Spring No. 2;

[0044] 4. Gear No. 2; 41. Support block;

[0045] 5. Clamping assembly; 51. Pad block; 52. Bending part; 520. I-beam; 521. Protrusion. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Currently, for thin-walled data cable connectors, planar clamping fixtures apply clamping force across the entire side plane, which can easily lead to connector crushing and deformation. This invention provides a data cable electrical performance testing fixture. (See [link]). Figures 1-2As shown, it includes a base 1, with two pillars 11 fixedly connected to the top of the base 1. The pillars 11 are provided with brackets 12 on their tops. The two brackets 12 are symmetrically arranged. The top of the brackets 12 is provided with a sliding groove, and the inner wall of the sliding groove is provided with a rack 13. A sliding component 2 is slidably connected to the brackets 12.

[0048] See Figure 3 and Figure 4 As shown, the sliding assembly 2 has two meshing gear 4 inside. The top of the gear 4 is fixedly connected to a support block 41, and the ends of the two support blocks 41 are symmetrically fixedly connected to a clamping assembly 5. The outer wall of one of the gear 4 meshes with a gear 3. The gear 3 is located inside the sliding assembly 2, and the top of the gear 3 is fixedly connected to a button block 31.

[0049] The first gear 3 is driven to rotate by turning the knob block 31. The first gear 3 meshes with the second gear 4, so that the second gear 4 rotates synchronously. Then, through the mutual meshing between the two second gears 4, the two second gears 4 rotate synchronously in opposite directions. At this time, the two second gears 4 drive the corresponding clamping components 5 to swing synchronously through the support block 41 at the top, thereby adjusting the opening and closing angle between the two sets of clamping components 5.

[0050] The data cable connector is placed inside the angle formed by the two sets of symmetrical clamping components 5. By adjusting the relative distance of the sliding components 2, the clamping components 5 gradually approach and abut against the data cable connector. The inner wall of the angle of the clamping components 5 limits and tightens the four corners of the data cable connector, clamping and positioning the data cable connector, so that the clamping force is evenly applied to the corner position with higher connector strength.

[0051] For details, see Figure 5 As shown, the sliding component 2 serves as the mounting carrier for the clamping component 5 and is also used to adjust the relative distance between the two sets of clamping components 5. It includes a sliding cover 21, which is horizontally set and slidably connected to the top of the bracket 12. This allows the sliding cover 21 to slide back and forth along the length of the bracket 12, thereby driving the clamping components 5 mounted on it to move synchronously to adapt to the clamping requirements of data cable connectors of different sizes.

[0052] By fixing slide rods 22 to the bottom of the sliding cover 21 near both sides, and the slide rods 22 adopt an L-shaped structure design, the vertical section of the L-shaped structure is connected to the bottom of the sliding cover 21, and the horizontal section is in contact with the side wall of the bracket 12 to achieve sliding cooperation, so as to prevent the sliding cover 21 from shifting left and right or tilting up and down during the sliding process.

[0053] In addition, two pressing parts 23 are movably connected to the bottom of the sliding cover 21. The two pressing parts 23 are symmetrically distributed on both sides of the bottom of the sliding cover 21, and the lower end of the pressing part 23 is movably connected to the slide groove of the bracket 12. This is used to lock the position of the sliding cover 21 after it slides, prevent the sliding cover 21 from spontaneously displacing during the clamping process, and ensure the stability of the clamping state.

[0054] like Figure 6 As shown, the pressing member 23 is used to cooperate with the rack 13 in the slide groove of the bracket 12 to realize the locking function. It includes push blocks 230. Two push blocks 230 are symmetrically and movably connected between the bottom of the slide cover 21 and the top of the slide rod 22. The push blocks 230 can move up and down relative to the slide cover 21 and the slide rod 22. A first spring 231 is fixedly connected between the inside of the push block 230 and the slide cover 21. The first spring 231 is always in a natural extension and contraction state, providing the initial extension and contraction force for the push block 230. By pushing the two push blocks 230 to move inward toward the bracket 12, the insert 232 at its bottom is driven to pass through the rack 13 to realize the locking and opening action.

[0055] Since multiple inserts 232 are fixedly connected to the bottom of the push block 230, and the multiple inserts 232 are evenly distributed along the length of the push block 230, and the inserts 232 are meshed with the rack 13 on the inner wall of the slide groove of the bracket 12; therefore, the sliding cover 21 can be locked and fixed at any position on the bracket 12 by the meshing of the inserts 232 and the rack 13. When the inserts 232 are meshed inside the rack 13, locking is achieved. If they are moved out from inside the rack 13, the bracket 12 can move.

[0056] Meanwhile, the end angles of both the insert 232 and the rack 13 are set as arc angles. The arc angle adopts a smooth arc transition structure, which can transform the hard contact between the sharp corners of the insert 232 and the rack 13 into a smooth contact of curved surfaces during the meshing process, avoiding the sharp corners of the two from colliding and getting stuck. At the same time, the arc surface can guide the movement of the insert 232, so that the insert 232 can smoothly enter the tooth groove of the rack 13, reduce the sliding friction and local resistance during the meshing process, and ensure smooth meshing and disengagement.

[0057] When it is necessary to adjust the position of sliding component 2, such as Figure 7 As shown, the operator presses the push block 230 inward, the push block 230 moves and compresses the first spring 231, which drives the bottom insert 232 to move synchronously, so that the insert 232 disengages from the rack 13. At this time, the sliding cover 21 can slide freely along the bracket 12. After adjusting to the appropriate position, the push block 230 is released, the first spring 231 returns to its natural state, pushes the push block 230 to move outward, and the insert 232 engages with the rack 13 again, realizing the position locking of the sliding cover 21 and completing the spacing adjustment of the sliding component 2.

[0058] Additionally, refer to Figure 3 and Figure 4 Both gear 3 and gear 4 are rotatably engaged inside the sliding cover 21. Specifically, the sliding cover 21 has a cavity for accommodating the gears. The gears are rotatably engaged with the sliding cover 21 through a central shaft, allowing them to rotate freely without disengaging. Gear 3 meshes externally with one of the gears 4, and the two gears 4 mesh with each other.

[0059] Figure 8 In this configuration, the button block 31 is fixedly connected to the top of the first gear 3, and the support block 41 is fixedly connected to the top of the second gear 4. The diameter of the button block 31 is smaller than the diameter of the first gear 3, and the diameter of the support block 41 is also smaller than the diameter of the second gear 4. This diameter relationship ensures that the button block 31 and the support block 41 will not interfere with each other when rotating, and also makes it easy for the operator to directly contact the button block 31 with tools. A cross groove is provided on the top of the button block 31, which matches the cross head of a commonly used screwdriver or wrench, making it easy to use tools to turn the button block 31 and drive the first gear 3 to rotate.

[0060] and, Figure 9 In the middle, multiple locking components 32 are provided between the bottom of the first gear 3 and the inside of the sliding cover 21. The number of locking components 32 is equal to the number of teeth of the first gear 3, that is, each tooth corresponds to one locking component 32; see also Figure 10 As shown, the locking assembly 32 includes a ball 320 and a second spring 321. The ball 320 is movably connected between the bottom of the first gear 3 and the inside of the sliding cover 21, meaning that the ball 320 can roll or slide in the space between the two. The second spring 321 is fixedly connected between the ball 320 and the inside of the sliding cover 21 and is always in a compressed state, providing the ball 320 with a spring force toward the bottom of the first gear 3.

[0061] When gear 3 rotates, the teeth at its bottom pass through the position of ball 320 one by one; under the elastic force of spring 321, ball 320 is pressed into the tooth groove at the bottom of gear 3; after each tooth turn, ball 320 falls into the next tooth groove, thus forming segmented positioning to prevent gear 3 from rotating arbitrarily without external force; at the same time, it provides clear tactile feedback to the operator, making it easy to adjust the opening and closing angle of clamping component 5; when continuous rotation is required, applying sufficient torque can overcome the spring force to disengage ball 320 from the tooth groove, achieving smooth rotation.

[0062] See Figure 11 As shown, the clamping assembly 5 includes a pad 51 and a bending member 52. The pad 51 is fixedly connected to the end of the support block 41, and the bending member 52 is fixedly connected to the opposite side of the two pads 51.

[0063] Among them, pad 51 is made of silicone. Because silicone has good elasticity and flexibility, it can deform moderately during clamping, thereby buffering the clamping force and preventing the hard clamp from directly pressing the surface of the data cable connector, causing scratches or indentations. At the same time, silicone has a high coefficient of friction, which can enhance clamping stability and prevent the connector from sliding during testing.

[0064] Additionally, the bending component 52 includes multiple I-beams 520 and multiple protrusions 521, with a protrusion 521 engaging between two adjacent I-beams 520, and the I-beams 520 and protrusions 521 being rotatably connected via a pivot; see also Figure 12 As shown, when the two sliding components 2 move toward each other, causing the two sets of clamping components 5 to move closer to each other, if the overall length of the clamping components 5 is greater than the length of the data cable connector, the two opposing bending parts 52 will collide at their ends. At this time, the I-shaped plate 520 and the protrusion 521 in the bending part 52 rotate relative to each other around the pivot, causing the bending part 52 to bend outward as a whole, that is, away from the center of the connector, thereby bypassing the end of the connector and forming a wrap around the side and rear of the data cable connector. A semi-enclosed protective cavity is built around the connector to prevent the test probe from accidentally touching the metal parts after slipping.

[0065] It should be noted that when the pad 51 is made of silicone and is subjected to clamping force, the pad 51 will undergo elastic deformation. If the deformation is not controlled, the pad 51 may expand excessively to both sides, resulting in uneven distribution of clamping force, or even causing local tearing of the pad 51 or loss of precise positioning of the opposite corners;

[0066] Therefore, serrations are provided on the opposite side of the two pads 51, that is, the side away from the joint. When the pad 51 is deformed by pressure, the serrations on both sides will form multiple points of contact with adjacent structures, such as the inner wall of the bent part 52 or the serrations of the opposite pad 51. The protrusions of the serrations abut against the adjacent structures to form physical limits, preventing the pad 51 from expanding laterally without limit under compression, thereby maintaining the overall shape stability of the pad 51. In addition, the pressure that was originally concentrated on the back of the pad 51 is distributed to the adjacent structures through multiple serrations, avoiding excessive local stress that could lead to fatigue or damage of the silicone material.

[0067] On the opposite side of the two pads 51, that is, the side facing the connector, there is a triangular groove; the cross-section of the triangular groove is V-shaped, and the two inclined surfaces intersect at the bottom of the groove; when the end corner of the data cable connector enters the V-shaped groove, the inclined surfaces will produce a self-centering effect.

[0068] If the connector end angle deviates to the left, the left inclined surface generates a horizontal component force pointing towards the center line of the groove bottom, pushing the connector to move towards the center; if it deviates to the right, the right inclined surface pushes it to the left; only when the connector end angle is located at the center of symmetry of the V-groove, the horizontal components on both sides are equal and opposite, achieving balance; at the same time, when the operator gently presses the connector into the triangular slot, the connector end angle will automatically slide to the lowest point of the groove bottom under the guidance of the inclined surface, achieving longitudinal positioning; combined with the two symmetrical triangular slots on the left and right, the connector can be automatically centered in the horizontal and vertical directions, without the need for repeated position adjustments, improving clamping efficiency and repeatability accuracy.

[0069] Working principle:

[0070] The operator first presses the push block 230 on the sliding component 2 to disengage the insert 232 from the rack 13 according to the width of the data cable connector to be tested. Then, the operator slides the insert horizontally along the bracket 12 to adjust the relative distance between the two sets of clamping components 5. When the distance is initially adapted to the connector length, the operator releases the push block 230. The insert 232 automatically engages with the rack 13 under the push of the first spring 231 to lock, thereby fixing the position of the sliding component 2.

[0071] After the spacing adjustment is completed, the operator uses a tool to turn the knob 31 to drive the first gear 3 to rotate. The first gear 3 drives the second gear 4 that meshes with it to rotate. The second gear 4 then drives another second gear 4 to rotate synchronously in the opposite direction through mutual meshing. The two second gears 4 respectively drive the top support block 41 and the clamping assembly 5 fixed to the end of the support block 41 to swing synchronously, thereby adjusting the opening and closing angle between the two sets of clamping assemblies 5 so that the shape of the angle matches the end corner profile of the data cable connector.

[0072] Next, place the four corners of the data cable connector between the inner walls of the V-shaped angles of the two sets of symmetrical clamping components 5, and continue to fine-tune the button block 31 to make the clamping components 5 close appropriately; at this time, the inclined structure of the triangular slot guides the connector to automatically center, and the silicone pad 51 produces elastic deformation to buffer the clamping force, and evenly transmits the pressure to the corner of the connector with higher strength to avoid squeezing the thin-walled side.

[0073] During the process of the clamping components 5 approaching each other, if the overall length of the bending component 52 is greater than the length of the joint, the ends of the two opposing bending components 52 will collide. The I-shaped plate 520 and the protrusion 521 in the bending component 52 bend outward around the axis, bypassing the end of the joint to form a semi-closed enclosure in the side and rear, thereby constructing a protective cavity around the joint to prevent the test probe from accidentally touching the metal parts after slipping.

[0074] Meanwhile, during the rotation of the gear, the multiple locking components 32 at the bottom of the first gear 3, through the cooperation of the ball 320 and the second spring 321, generate segmented positioning tactile feedback and slight jamming every time the gear rotates through a tooth, preventing the gear from rotating randomly without external force and ensuring that the adjusted included angle remains stable.

[0075] Once the data cable connector is securely clamped, electrical performance testing can be performed. After the test is completed, turn the button 31 in the opposite direction to open the clamping component 5, and press the push block 230 to release the lock of the sliding component 2. The tested component can then be easily removed, and the next testing cycle can begin.

[0076] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A data cable electrical performance testing fixture, comprising a base (1), wherein two pillars (11) are fixedly connected to the top of the base (1), and a bracket (12) is provided on the top of the pillars (11), characterized in that: The two brackets (12) are symmetrically arranged. The top of the bracket (12) is provided with a sliding groove, and the inner wall of the sliding groove is provided with a rack (13). A sliding component (2) is slidably connected to the bracket (12). The sliding component (2) has two meshing No. 2 gears (4) inside. The top of the No. 2 gears (4) is fixedly connected to a support block (41), and the ends of the two support blocks (41) are symmetrically fixedly connected to a clamping component (5). One of the gears (4) is meshed with a gear (3) on its outer wall. The gear (3) is located inside the sliding assembly (2). A button block (31) is fixedly connected to the top of the gear (3). The button block (31) is used to drive the first gear (3) to rotate, thereby driving the meshing second gear (4) to rotate synchronously, so as to realize the synchronous adjustment of the opening and closing angle between the two clamping components (5); The data cable connector to be tested is placed between the inner walls of the included angle of two sets of symmetrical clamping components (5). By adjusting the relative distance between the two sliding components (2) and coordinating with the angle adjustment of the clamping components (5), the data cable connector can be clamped and fixed at the four corners.

2. The data cable electrical performance testing fixture according to claim 1, characterized in that: The sliding assembly (2) includes a sliding cover (21), which is slidably connected to the top of the bracket (12). The bottom of the sliding cover (21) is fixedly connected to both sides with sliding rods (22). The sliding rods (22) are L-shaped and slidably connected to the side wall of the bracket (12). The bottom of the sliding cover (21) is movably connected to two pressing parts (23), which are movably connected to the inside of the sliding groove of the bracket (12).

3. The data cable electrical performance testing fixture according to claim 2, characterized in that: The pressing component (23) includes a push block (230), two push blocks (230) are symmetrically and movably connected between the bottom of the sliding cover (21) and the top of the sliding rod (22), a spring (231) is fixedly connected between the inside of the push block (230) and the sliding cover (21), and multiple inserts (232) are fixedly connected to the bottom of the push block (230).

4. The data cable electrical performance testing fixture according to claim 3, characterized in that: The insert (232) is engaged with the rack (13), and the end angles of the insert (232) and the rack (13) are both arc angles, which facilitates the insertion of the insert (232) into and locking it inside the rack (13).

5. The data cable electrical performance testing fixture according to claim 1, characterized in that: The first gear (3) and the second gear (4) are both rotatably engaged inside the sliding cover (21), and the diameters of the button block (31) and the support block (41) are smaller than the diameters of the first gear (3) and the second gear (4). The top of the button block (31) is provided with a cross groove for easy turning with tools.

6. The data cable electrical performance testing fixture according to claim 5, characterized in that: Multiple locking components (32) are provided between the bottom of the first gear (3) and the inside of the sliding cover (21), and the number of locking components (32) is equal to the number of teeth of the first gear (3).

7. The data cable electrical performance testing fixture according to claim 6, characterized in that: The locking assembly (32) includes a ball (320) which is movably connected between the bottom of the first gear (3) and the inside of the slide cover (21). A second spring (321) is fixedly connected between the ball (320) and the inside of the slide cover (21).

8. The data cable electrical performance testing fixture according to claim 1, characterized in that: The clamping assembly (5) includes a pad (51) and a bending member (52). The pad (51) is fixedly connected to the end of the support block (41), and the bending member (52) is fixedly connected to the opposite side of the two pads (51).

9. The data cable electrical performance testing fixture according to claim 8, characterized in that: The pad (51) is made of silicone, and the opposite sides of the two pads (51) are provided with teeth to provide supplementary contact during deformation; a triangular groove is provided on the opposite side of the pad (51) to press against the end corner of the data cable connector.

10. The data cable electrical performance testing fixture according to claim 8, characterized in that: The bending component (52) includes multiple I-beams (520) and multiple protrusions (521). A protrusion (521) is snapped between two adjacent I-beams (520), and the I-beams (520) and the protrusions (521) are rotatably connected by a rotating shaft.

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