Probe connector fixing tool

Abstract

The invention relates to a probe connector fixing tool, and relates to the technical field of probe connectors, the probe connector fixing tool comprises a shell and a plurality of probe connector units, a loading guide rail is arranged in the shell along the length direction, the loading guide rail is uniformly provided with a plurality of mounting seats at intervals along the length direction, one mounting seat is fixedly connected with the loading guide rail, and the other mounting seat is fixedly connected with the probe connector units. The other mounting seats are in sliding connection with the loading guide rail, the probe connector units and the mounting seats are in one-to-one correspondence and are fixedly connected, a distance adjusting mechanism is arranged in the shell, and the distance adjusting mechanism is used for driving the slidable mounting seats to slide on the loading guide rail and can fix the positions of the mounting seats. The probe connector has the advantages that the distance between the probe connector units can be adjusted conveniently, and time consumption and resource waste caused by re-customization of the shell are reduced.

Description

Technical Field

[0001] This application relates to the technical field of probe connectors, and particularly to a fixing tool for probe connectors. Background Art

[0002] A probe connector is a key component for electrical testing and is widely used in fields such as semiconductors, electronic components, and printed circuit boards (PCBs). Its core function is to achieve the transmission of electrical signals through the physical contact between the probes and the test points, thereby completing the performance test of the object under test.

[0003] In related technologies, when testing multiple regularly arranged test points, multiple probe connector units are often regularly fixed on a housing. The spacing between the probe connector units is the same as the spacing between the test points, so that the probes correspond to the test points one by one, facilitating the simultaneous testing of multiple regularly arranged test points to improve the testing efficiency.

[0004] In the process of implementing this application, it is found that there are at least the following problems in this technology: the spacing between the probe connector units cannot be changed, which limits the applicability of the probe connector in different test scenarios; when changing the electronic components to be tested, the spacing of some test points is different, but the arrangement of the test points is similar, such as common single-row arrangement, matrix arrangement, etc. At this time, it is necessary to re-customize the housing of the probe connector and install the corresponding probe connector units, which not only consumes time but also wastes resources. Summary of the Invention

[0005] In order to facilitate the adjustment of the spacing between the probe connector units and reduce the time consumption and resource waste caused by re-customizing the housing, this application provides a fixing tool for probe connectors.

[0006] The fixing tool for probe connectors provided by this application adopts the following technical solutions: A fixing tool for probe connectors includes a housing and a plurality of probe connector units. A loading guide rail is arranged in the housing along the length direction. A plurality of mounting seats are evenly and spaced along the length direction of the loading guide rail. One of the mounting seats is fixedly connected to the loading guide rail, and the rest of the mounting seats are slidably connected to the loading guide rail. The probe connector units are in one-to-one correspondence with the mounting seats and are fixedly connected. A spacing adjustment mechanism is arranged in the housing. The spacing adjustment mechanism is used to drive the slidable mounting seats to slide on the loading guide rail and can fix the positions of the mounting seats.

[0007] By adopting the above technical solution, when it is necessary to test the test points with changed spacing, the operator can drive the slidable mounting seat to slide on the loading guide rail through the spacing adjusting mechanism, so as to change the spacing between the mounting seats. The change of the mounting seat spacing means the change of the probe connector unit spacing, and the spacing between the probes also changes accordingly, so as to adjust the spacing between the probe connector units and reduce the time consumption and resource waste caused by re-customizing the shell.

[0008] Preferably, the spacing adjusting mechanism includes an adjusting guide rail, a movable block, a first connecting rod, a second connecting rod, and a first distance adjusting component. The adjusting guide rail is parallel to the loading guide rail. The adjusting guide rail slides in the shell along the direction close to or away from the loading guide rail. A plurality of movable blocks are evenly spaced and slide along the length direction on the adjusting guide rail. One first connecting rod and one second connecting rod are provided on each movable block. Each movable block corresponds to two adjacent mounting seats. Among the movable block and the corresponding two mounting seats, one end of the first connecting rod is rotatably connected to one of the mounting seats, and one end of the second connecting rod is rotatably connected to the other mounting seat. The other ends of the first connecting rod and the second connecting rod are both rotatably connected to the movable block. The first distance adjusting component is used to drive the adjusting guide rail to approach or move away from the loading guide rail.

[0009] By adopting the above technical solution, when it is necessary to test the test points with changed spacing, the adjusting guide rail is driven to slide along the direction close to or away from the loading guide rail through the first distance adjusting component. Since the movable block is rotatably connected to two adjacent mounting seats through the first connecting rod and the second connecting rod, when the spacing between the adjusting guide rail and the loading guide rail decreases, the included angle between the first connecting rod and the second connecting rod increases accordingly, and the distance between the mounting seats connected by the first connecting rod and the second connecting rod increases, so that the spacing between the probe connector units increases, and the spacing between the probes also increases. On the contrary, when the spacing between the adjusting guide rail and the loading guide rail increases, the included angle between the first connecting rod and the second connecting rod decreases, and the distance between the connected mounting seats decreases, the spacing between the probe connector units decreases, and the spacing between the probes also decreases, so as to change the distance between all adjacent mounting seats at the same time, and after the change, the interval sizes of the mounting seats are still equal.

[0010] Preferably, the first distance adjusting component includes a bracket and a first screw rod. The bracket is fixed in the shell. The first screw rod is arranged along the width direction of the shell. The first screw rod is rotatably connected to the bracket and is threadedly connected to the adjusting guide rail.

[0011] By adopting the above technical solution, when it is necessary to change the distance between the adjustment guide rail and the loading guide rail, the first screw rod is rotated. Since the first screw rod is rotatably connected to the bracket and is in threaded connection with the adjustment guide rail, the rotation of the first screw rod will be converted into a linear motion of the adjustment guide rail along the axial direction of the first screw rod (i.e., the width direction of the housing, which is also the direction of approaching or departing from the loading guide rail), thereby changing the distance between the adjustment guide rail and the loading guide rail.

[0012] Preferably, one first screw rod is arranged at each end of the adjustment guide rail. The first distance adjustment assembly further includes a worm, a worm gear, and a distance adjustment knob. The worm gear is coaxially and fixedly connected to the first screw rod. The worm is arranged along the length direction of the housing and is rotatably connected to the housing. The end of the worm penetrates through the side wall of the housing and is fixedly connected to the distance adjustment knob. The worm is meshed with the two worm gears.

[0013] By adopting the above technical solution, one first screw rod is arranged at each end of the adjustment guide rail. On the one hand, both ends of the adjustment guide rail receive driving forces, improving the stability of the adjustment guide rail during movement. On the other hand, it prevents the first screw rod from interfering with the movable block. When it is necessary to adjust the distance between the probe connector units, only the distance adjustment knob needs to be rotated. The distance adjustment knob drives the worm to rotate synchronously. The rotation of the worm will drive the two worm gears to rotate simultaneously, and then drive the two first screw rods to rotate synchronously, so that the adjustment guide rail moves smoothly along the direction of approaching or departing from the loading guide rail.

[0014] Preferably, a set of loading guide rails are symmetrically arranged in the width direction of the housing. One adjustment guide rail is arranged on each side of the set of loading guide rails that are close to each other. The bracket is located between the two adjustment guide rails. The middle part of the first screw rod is in rotational cooperation with the bracket. Two threaded sections with equal pitches and opposite helix directions are provided at both ends of the first screw rod. One of the threaded sections is in threaded cooperation with one adjustment guide rail, and the other threaded section is in threaded cooperation with the other adjustment guide rail.

[0015] By adopting the above technical solution, when the test points are arranged in a matrix, the two loading guide rails can test the test points of two rows simultaneously, improving the test efficiency. When the first screw rod rotates, the two adjustment guide rails approach or depart from the corresponding loading guide rails simultaneously, and the moving distances are equal. The movable blocks on the adjustment guide rails are connected to the mounting seats on the loading guide rails through the first connecting rods and the second connecting rods. Therefore, the synchronous movement of the two adjustment guide rails can drive the mounting seats on the two loading guide rails to change the distance synchronously. The distance between the two rows of probe connector units can be adjusted simultaneously, improving the adjustment efficiency.

[0016] Preferably, an activity groove is formed in the top of the housing along the length direction. A pitch scale for reflecting the distance between adjacent mounting seats is arranged on the top of the housing. A pointing block is slidably arranged in the activity groove, and the pointing block points to the pitch scale. A connecting frame is slidably arranged on the pointing block along the width direction of the housing, and the connecting frame is fixedly connected with any one of the movable blocks.

[0017] By adopting the above technical solution, when an operator uses the pitch adjusting mechanism to adjust the distance between adjacent mounting seats, the movement of the movable block on the adjusting guide rail will drive the connecting frame to move synchronously. Since the connecting frame and the pointing block are slidably matched along the width direction of the housing, the movement of the connecting frame will cause the pointing block to slide along the length direction of the housing in the activity groove. The operator can directly and accurately understand the change of the distance between adjacent mounting seats by observing the value indicated by the pointing block on the pitch scale.

[0018] Preferably, the loading guide rail can slide along the width direction of the housing. A second pitch adjusting component for driving the loading guide rails to approach or move away from each other is further arranged on the housing, and the second pitch adjusting component can fix the positions of the loading guide rails.

[0019] By adopting the above technical solution, when testing the matrix-arranged test points and the row pitch of the test points changes, the operator can drive the two loading guide rails to approach or move away from each other through the second pitch adjusting component, so as to change the row pitch between two rows of mounting seats. Since the loading guide rails approach or move away from each other, the distance between the loading guide rail and the corresponding adjusting guide rail can still be ensured to be equal, and then the distance between each row of mounting seats is ensured to be equal.

[0020] Preferably, the second pitch adjusting component includes a second screw rod, a rack and an intermediate gear. The second screw rod is arranged along the width direction of the housing. The second screw rod is in threaded connection with the end wall of the housing. The second screw rod is rotatably connected with any one of the loading guide rails. The intermediate gear rotates on the side wall of the housing. Two racks are arranged. One of the racks is fixedly connected with one of the loading guide rails and meshes with one side of the intermediate gear. The other rack is fixedly connected with the other loading guide rail and meshes with the other side of the intermediate gear.

[0021] By adopting the above technical solution, when it is necessary to change the distance between the loading guide rails, rotate the second screw rod. Since the second screw rod is in threaded connection with the end wall of the housing, the second screw rod will drive one of the loading guide rails to slide along the width direction of the housing. The sliding of this loading guide rail will drive the rack connected thereto to slide, and then drive the intermediate gear to rotate. The intermediate gear drives the other rack to slide in the opposite direction to further drive the other loading guide rail to slide, so as to drive the two loading guide rails to approach or move away from each other.

[0022] Preferably, a wire passing hole penetrating inside and outside is provided at the top of the housing, and a plurality of test wires are arranged in the wire passing hole. The test wires are in one-to-one correspondence with the probe connector units and are electrically connected.

[0023] By adopting the above technical solution, the design of the wire passing hole enables the test wires to conveniently pass through the housing and be electrically connected to the probe connector units, ensuring the transmission of electrical signals. At the same time, since the wire passing hole penetrates inside and outside the housing, it is beneficial to the arrangement and management of the test wires, and as much as possible, it avoids the chaos and interference of the test wires during the test process, improving the stability and reliability of the test.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. By providing a housing, a probe connector, a loading guide rail, a mounting seat, and a spacing adjustment mechanism, the spacing adjustment between the probe connector units is realized, which can adapt to test points with different spacings, without the need to re-customize the housing, reducing time consumption and resource waste, and improving the applicability of the probe connector in different test scenarios; 2. By providing an adjustment guide rail, a movable block, a first connecting rod, a second connecting rod, and a first distance adjustment component, the adjustment guide rail can be stably driven to approach or move away from the loading guide rail, thereby driving the mounting seat and the probe connector units to synchronously change the spacing, ensuring the accuracy and consistency of the spacing adjustment; 3. By providing a movable groove, a spacing scale line, a pointing block, and a connecting frame, when an operator adjusts the distance between adjacent mounting seats, the change of the spacing can be intuitively and accurately understood, facilitating the precise control of the spacing between the probe connector units and improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a probe connector fixing tooling provided in an embodiment of the present application.

[0026] Figure 2 is a schematic internal structure diagram of the housing of a probe connector fixing tooling provided in an embodiment of the present application.

[0027] Figure 3 is Figure 2 an enlarged view of part A in

[0028] Figure 4 is a schematic structural diagram of the spacing adjustment mechanism in an embodiment of the present application.

[0029] Description of reference numerals: 1. Outer shell; 11. Movable slot; 12. Spacing scale line; 13. Pointing block; 14. Connecting frame; 15. Wire passing hole; 16. Fixed guide rail; 2. Probe connector unit; 21. SMA interface; 22. Test wire; 3. Loading guide rail; 31. Mounting seat; 4. Spacing adjusting mechanism; 41. Adjusting guide rail; 42. Movable block; 43. First connecting rod; 44. Second connecting rod; 45. First distance adjusting component; 451. Bracket; 452. First screw; 453. Worm; 454. Worm gear; 455. Spacing knob; 5. Second distance adjusting component; 51. Second screw; 52. Rack; 53. Intermediate gear; 54. Row spacing knob; 55. Scale rod; 56. Row spacing scale line. Detailed implementation manners

[0030] The following further elaborates on this application Figures 1-4 with reference to the attached drawings.

[0031] Embodiment 1 of this application discloses a fixture for fixing a probe connector. Refer to Figure 1 and Figure 2 , which includes an outer shell 1 and a plurality of probe connector units 2. A loading guide rail 3 is arranged in the outer shell 1 along the length direction, and a plurality of mounting seats 31 are evenly and spaced along the length direction of the loading guide rail 3. One of the mounting seats 31 is fixedly connected to the loading guide rail 3, and the remaining mounting seats 31 are slidably connected to the loading guide rail 3. Specifically, five mounting seats 31 are arranged on the loading guide rail 3, and one of the mounting seats 31 located in the center of all the mounting seats 31 is fixedly connected to the loading guide rail 3. The probe connector units 2 are in one-to-one correspondence with the mounting seats 31 and are fixedly connected. A spacing adjusting mechanism 4 is arranged in the outer shell 1, and the spacing adjusting mechanism 4 is used to drive the slidable mounting seats 31 to slide on the loading guide rail 3 and can fix the positions of the mounting seats 31.

[0032] Refer to Figure 1 and Figure 2 , a wire passing hole 15 penetrating inside and outside is opened at the top of the outer shell 1, and a plurality of test wires 22 are arranged in the wire passing hole 15. The test wires 22 are in one-to-one correspondence with the probe connector units 2 and are electrically connected. Specifically, the test wires 22 and the probe connector units 2 are electrically connected through SMA interfaces 21. The SMA interfaces 21 have good electrical and mechanical properties, which can ensure the quality and accuracy of signal transmission. By adopting the connection method of the SMA interfaces 21, it can largely prevent the situation that the connection between the probe connector units 2 and the connecting wires becomes unstable or even disconnected during the movement of the probe connector units 2 along with the mounting seats 31.

[0033] Refer to Figure 2When it is necessary to test the test points with changed spacing, the spacing adjusting mechanism 4 is used to drive the slidable mounting seat 31 to slide on the loading guide rail 3, so as to change the spacing between the mounting seats 31, and further change the spacing between the probes.

[0034] To facilitate the detection of test points arranged in multiple rows, refer to Figure 1 and Figure 2 , a set of loading guide rails 3 are symmetrically arranged in the width direction of the housing 1. On the two inner side walls of the housing 1 in the length direction, a set of fixed guide rails 16 are fixed. The fixed guide rails 16 are arranged along the width direction of the housing 1, and the loading guide rails 3 are slidably connected to the fixed guide rails 16.

[0035] Refer to Figures 1 to 3 , a second distance adjusting assembly 5 is further provided on the housing 1 for driving the loading guide rails 3 to approach or move away from each other, and the second distance adjusting assembly 5 can fix the positions of the loading guide rails 3. The second distance adjusting assembly 5 includes a second screw rod 51, a rack 52, an intermediate gear 53, and a line spacing knob 54. The second screw rod 51 is arranged along the width direction of the housing 1. The second screw rod 51 penetrates the end wall of the housing 1 and is threadedly connected to the end wall of the housing 1. The line spacing knob 54 is located outside the housing 1 and is fixedly connected to the second screw rod 51. The second screw rod 51 is rotatably connected to any one of the loading guide rails 3, and the intermediate gear 53 rotates on the inner side wall of the housing 1. Two racks 52 are provided. One of the racks 52 is fixedly connected to one of the loading guide rails 3 and meshes with one side of the intermediate gear 53. The other rack 52 is fixedly connected to the other loading guide rail 3 and meshes with the other side of the intermediate gear 53.

[0036] Refer to Figure 2 and Figure 3 , when it is necessary to change the spacing of the loading guide rails 3, rotate the second screw rod 51. The second screw rod 51 drives one of the loading guide rails 3 to slide along the width direction of the housing 1. The rack 52 connected to the loading guide rail 3 moves accordingly, and then drives the intermediate gear 53 to rotate. The intermediate gear 53 drives the other rack 52 to slide in the opposite direction, so as to further drive the other loading guide rail 3 to slide, thereby driving the two loading guide rails 3 to approach or move away from each other, and adjusting the line spacing of the probes of the probe connector unit 2 accordingly.

[0037] In addition, refer to Figure 1 and Figure 2 , a scale rod 55 penetrates and slides on the end wall of the housing 1. A line spacing scale line 56 is provided on the scale rod 55. The scale rod 55 is fixedly connected to any one of the loading guide rails 3, and the outer end face of the end wall of the housing 1 points to the line spacing scale line 56. The line spacing of the probe connector unit 2 can be directly read through the line spacing scale line 56.

[0038] To facilitate driving all the slidable mounting seats 31 to slide synchronously, refer to Figure 2With Figure 4 Spacings adjusting mechanism 4 includes adjusting guide rails 41, movable blocks 42, first connecting rods 43, second connecting rods 44, and first spacing adjusting assemblies 45. The adjusting guide rails 41 are parallel to the loading guide rails 3. The adjusting guide rails 41 slide in the housing 1 in a direction close to or away from the loading guide rails 3. One adjusting guide rail 41 is provided on each side where a set of loading guide rails 3 are close to each other.

[0039] Refer to Figures 1 to 4 First spacing adjusting assembly 45 is used to drive the adjusting guide rails 41 to approach or move away from the loading guide rails 3. Specifically, first spacing adjusting assembly 45 includes a bracket 451, a first screw rod 452, a worm 453, a worm gear 454, and a spacing knob 455. Bracket 451 is fixed in housing 1 and is located between the two adjusting guide rails 41. First screw rod 452 is arranged along the width direction of housing 1, and first screw rod 452 is rotatably connected to bracket 451. Two threaded segments with equal pitches and opposite helix directions are provided at both ends of first screw rod 452. One threaded segment is in threaded cooperation with one of the adjusting guide rails 41, and the other threaded segment is in threaded cooperation with the other adjusting guide rail 41. Worm gear 454 is coaxially and fixedly connected to first screw rod 452. Worm 453 is arranged along the length direction of housing 1 and is rotatably connected to housing 1. The end of worm 453 penetrates through the side wall of housing 1 and is fixedly connected to spacing knob 455. Worm 453 is meshed and connected to the two worm gears 454.

[0040] Refer to Figure 2 With Figure 4 A number of movable blocks 42 are evenly spaced and slide along the length direction on the adjusting guide rails 41, and the number is one less than that of the mounting seats 31. Specifically, four movable blocks 42 are provided on the adjusting guide rails 41. One first connecting rod 43 and one second connecting rod 44 are provided on each movable block 42. Each movable block 42 corresponds to two adjacent mounting seats 31. Among the movable block 42 and the corresponding two mounting seats 31, one end of first connecting rod 43 is rotatably connected to one of the mounting seats 31, one end of second connecting rod 44 is rotatably connected to the other mounting seat 31, and the other ends of first connecting rod 43 and second connecting rod 44 are both rotatably connected to the movable block 42.

[0041] Refer to Figures 1 to 4 When it is necessary to test the test points with changed spacings, rotate spacing knob 455. Spacing knob 455 drives worm 453 to rotate synchronously. The rotation of worm 453 will simultaneously drive the two worm gears 454 to rotate, thereby driving the two first screw rods 452 to rotate synchronously, so that the adjusting guide rails 41 move smoothly in a direction close to or away from the loading guide rails 3.

[0042] Refer to Figure 4, when the distance between the adjustment guide rail 41 and the loading guide rail 3 is reduced, the angle between the first connecting rod 43 and the second connecting rod 44 becomes larger, the distance between the connected mounting seats 31 becomes larger, the distance between the probe connector units 2 increases, and the distance between the probes also increases. Conversely, when the distance between the adjustment guide rail 41 and the loading guide rail 3 is increased, the angle between the first connecting rod 43 and the second connecting rod 44 becomes smaller, the distance between the connected mounting seats 31 shrinks, the distance between the probe connector units 2 decreases, and the distance between the probes also decreases. At the same time, the distances between all adjacent mounting seats 31 are changed, and the intervals of the mounting seats 31 after the change are still equal.

[0043] Referring to Figure 1 With Figure 2 , a movable groove 11 is formed in the top of the housing 1 along the length direction. A pitch scale line 12 for reflecting the distance between adjacent mounting seats 31 is provided on the top of the housing 1. A pointing block 13 slides in the movable groove 11, and the pointing block 13 points to the pitch scale line 12. A connecting frame 14 slides on the pointing block 13 along the width direction of the housing 1, and the connecting frame 14 is fixedly connected to any one of the movable blocks 42. When adjusting the distance between the mounting seats 31, the movement of the movable block 42 on the adjustment guide rail 41 will drive the connecting frame 14 to move synchronously. The movement of the connecting frame 14 causes the pointing block 13 to slide along the length direction of the housing 1 in the movable groove 11, and the operator can observe the value indicated by the pointing block 13 on the pitch scale line 12.

[0044] The implementation principle of a probe connector fixing tooling in an embodiment of the present application is as follows: When detecting test points arranged in multiple rows, first rotate the second screw rod 51. The second screw rod 51 drives a loading guide rail 3 to slide along the width direction of the housing 1. The rack 52 connected to the loading guide rail 3 moves accordingly, and then drives the intermediate gear 53 to rotate. The intermediate gear 53 drives another rack 52 to slide in the opposite direction, so as to further drive another loading guide rail 3 to slide. In this way, the distance between the two loading guide rails 3 is adjusted, and the accuracy of the adjustment is confirmed through the row pitch scale line 56.

[0045] Next, rotate the pitch knob 455. The worm 453 drives the two worm wheels 454 to rotate simultaneously, thereby driving the two first screws 452 to rotate synchronously, so that the adjustment guide rail 41 approaches or moves away from the loading guide rail 3. When the distance between the adjustment guide rail 41 and the loading guide rail 3 decreases, the angle between the first connecting rod 43 and the second connecting rod 44 increases accordingly, and the distance between the mounting seats 31 connected by the first connecting rod 43 and the second connecting rod 44 increases, and the distance between the probes of the probe connector unit 2 also increases accordingly. Conversely, when the distance between the adjustment guide rail 41 and the loading guide rail 3 increases, the angle between the first connecting rod 43 and the second connecting rod 44 decreases, the distance between the connected mounting seats 31 shrinks, and the distance between the probes of the probe connector unit 2 also decreases accordingly. At the same time, the distance between all adjacent mounting seats 31 is changed, and the interval size of the mounting seats 31 after the change is still equal. Thereby changing the distance between the respective mounting seats 31, and further changing the distance between the probes. Reduce the time consumption and resource waste caused by re-customizing the housing 1.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A fixture for fixing probe connectors, comprising a housing (1) and a plurality of probe connector units (2), characterized in that: A loading guide rail (3) is arranged along the length direction inside the outer shell (1). A plurality of mounting seats (31) are evenly and spaced along the length direction on the loading guide rail (3). One of the mounting seats (31) is fixedly connected to the loading guide rail (3), and the remaining mounting seats (31) are slidably connected to the loading guide rail (3). The probe connector unit (2) is in one-to-one correspondence with the mounting seats (31) and fixedly connected thereto. A pitch adjustment mechanism (4) is arranged inside the outer shell (1). The pitch adjustment mechanism (4) is used to drive the slidable mounting seats (31) to slide on the loading guide rail (3) and can fix the positions of the mounting seats (31).

2. The fixture for fixing a probe connector according to claim 1, wherein: The pitch adjustment mechanism (4) includes an adjustment guide rail (41), a movable block (42), a first connecting rod (43), a second connecting rod (44), and a first pitch adjustment component (45). The adjustment guide rail (41) is parallel to the loading guide rail (3). The adjustment guide rail (41) slides inside the outer shell (1) along the direction of approaching or departing from the loading guide rail (3). A plurality of movable blocks (42) slide evenly and spaced along the length direction on the adjustment guide rail (41). One first connecting rod (43) and one second connecting rod (44) are arranged on each movable block (42). Each movable block (42) corresponds to two adjacent mounting seats (31). Among the movable block (42) and the corresponding two mounting seats (31), one end of the first connecting rod (43) is rotatably connected to one of the mounting seats (31), one end of the second connecting rod (44) is rotatably connected to the other mounting seat (31), and the other ends of the first connecting rod (43) and the second connecting rod (44) are both rotatably connected to the movable block (42). The first pitch adjustment component (45) is used to drive the adjustment guide rail (41) to approach or depart from the loading guide rail (3).

3. A fixture for fixing a probe connector according to claim 2, characterized in that: The first pitch adjustment component (45) includes a bracket (451) and a first screw (452). The bracket (451) is fixed inside the outer shell (1). The first screw (452) is arranged along the width direction of the outer shell (1). The first screw (452) is rotatably connected to the bracket (451). The first screw (452) is threadedly connected to the adjustment guide rail (41).

4. A fixture for fixing a probe connector according to claim 3, characterized in that: One first screw (452) is arranged at each of the two ends of the adjustment guide rail (41). The first pitch adjustment component (45) further includes a worm (453), a worm gear (454), and a pitch knob (455). The worm gear (454) is coaxially and fixedly connected to the first screw (452). The worm (453) is arranged along the length direction of the outer shell (1) and is rotatably connected to the outer shell (1). The end of the worm (453) penetrates through the side wall of the outer shell (1) and is fixedly connected to the pitch knob (455). The worm (453) is meshed with the two worm gears (454).

5. The fixture for fixing a probe connector according to claim 3, characterized in that: A set of loading guide rails (3) is symmetrically arranged in the width direction of the housing (1). One adjusting guide rail (41) is arranged on each of the mutually approaching sides of the set of loading guide rails (3). The bracket (451) is located between the two adjusting guide rails (41). The middle part of the first screw rod (452) is rotationally matched with the bracket (451). Two threaded segments with equal pitches and opposite helix directions are provided at both ends of the first screw rod (452). One of the threaded segments is in threaded cooperation with one adjusting guide rail (41), and the other threaded segment is in threaded cooperation with the other adjusting guide rail (41).

6. The fixture for fixing a probe connector according to claim 5, wherein: An activity groove (11) is provided at the top of the housing (1) along the length direction. A pitch scale line (12) for reflecting the distance between adjacent mounting seats (31) is provided at the top of the housing (1). A pointing block (13) slides in the activity groove (11). The pointing block (13) points to the pitch scale line (12). A connecting frame (14) slides on the pointing block (13) along the width direction of the housing (1). The connecting frame (14) is fixedly connected to any one of the movable blocks (42).

7. A fixture for fixing a probe connector according to claim 5, characterized in that: The loading guide rails (3) can slide along the width direction of the housing (1). A second distance adjusting assembly (5) for driving the loading guide rails (3) to approach or move away from each other is further provided on the housing (1), and the second distance adjusting assembly (5) can fix the positions of the loading guide rails (3).

8. A fixture for fixing a probe connector according to claim 7, characterized in that: The second distance adjusting assembly (5) includes a second screw rod (51), a rack (52), and an intermediate gear (53). The second screw rod (51) is arranged along the width direction of the housing (1). The second screw rod (51) is in threaded connection with the end wall of the housing (1). The second screw rod (51) is rotationally connected to any one of the loading guide rails (3). The intermediate gear (53) rotates on the side wall of the housing (1). Two racks (52) are provided. One of the racks (52) is fixedly connected to one of the loading guide rails (3) and meshes with one side of the intermediate gear (53). The other rack (52) is fixedly connected to the other loading guide rail (3) and meshes with the other side of the intermediate gear (53).

9. A fixture for fixing a probe connector according to claim 1, characterized in that: A wire passing hole (15) penetrating inside and outside is provided at the top of the housing (1). A plurality of test wires (22) are arranged in the wire passing hole (15). The test wires (22) are in one-to-one correspondence and electrical connection with the probe connector unit (2).

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