A cable adhesive air tightness testing fixture

Abstract

This invention discloses a cable dispensing airtightness testing fixture, belonging to the field of testing fixture technology. It includes a fixture base, on which a lower fixture is fixedly mounted. A support rod is fixedly mounted on the fixture base and outside the lower fixture. A mounting plate is fixedly mounted on the support rod, and a stabilizing block is fixedly mounted on the mounting plate. An electric push rod is fixedly mounted on the stabilizing block, and an upper fixture is fixedly mounted on the output shaft of the electric push rod. A test slot is formed on the lower fixture, and test through slots are formed on both the upper and lower fixtures. A sealing ring is fixedly mounted on the upper surface of the lower fixture. This invention improves the versatility, accuracy, and stability of the testing fixture by synchronously adjusting the positions of the slots on the upper and lower clamping plates to accommodate different wire diameters. It utilizes structural linkage to ensure symmetrical sealing and automatically locks and pressurizes, thereby greatly enhancing the effectiveness of the testing fixture.

Description

Technical Field

[0001] This invention relates to the field of testing fixture technology, specifically to a cable adhesive dispensing airtightness testing fixture. Background Technology

[0002] After the outer sheath of the cable is partially stripped, in order to prevent external moisture, dust or other pollutants from entering the cable through the gap between the outer sheath and the wire core, causing air leakage at the cut point of the outer sheath, damaging the cable and the equipment connected to the cable, causing short circuits, leakage, failure of the cable harness, and accidents such as short circuits, shutdowns, and burnouts of the equipment connected to the cable harness.

[0003] Currently, in traditional fixture designs, cables come in a wide variety of sizes with significant differences, and many fixtures are poorly adaptable to different cable sizes. When testing cables of different specifications, it is often necessary to frequently change the entire upper and lower fixtures, or the operator needs to take the cable to be tested to the corresponding fixture for testing. This process is not only cumbersome and inefficient, but also prone to fixture positioning deviations due to repeated disassembly and assembly. More importantly, some fixtures do not fit tightly enough between the upper and lower parts during testing. Affected by the cable's own tension or vibration of the testing equipment, micro-gaps can easily appear at the joint, leading to poor sealing of the testing chamber. This not only attenuates the detection signal or introduces interference, affecting the accuracy of the test results, but may also damage the cable due to insecure positioning, ultimately affecting product quality and factory pass rate, increasing manufacturing costs and rework risks. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a cable dispensing airtightness testing fixture, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A cable dispensing airtightness testing fixture includes a fixture base, a lower fixture fixedly mounted on the fixture base, a support rod fixedly mounted on the fixture base and outside the lower fixture, a mounting plate fixedly mounted on the support rod, a stabilizing block fixedly mounted on the mounting plate, an electric push rod fixedly mounted on the stabilizing block, and an upper fixture fixedly mounted on the output shaft of the electric push rod.

[0007] The lower fixture is provided with a test slot, and both the upper and lower fixtures are provided with test through slots. A sealing ring is fixedly installed on the upper surface of the lower fixture. An upper rotating shaft is rotatably installed on the front surface of the upper fixture, and an upper clamping plate is fixedly installed on the upper rotating shaft. A lower rotating shaft is rotatably installed on the front surface of the lower fixture, and a lower clamping plate is fixedly installed on the lower rotating shaft. Both the upper and lower clamping plates are provided with clamping slots of different sizes.

[0008] The fixture base is equipped with auxiliary components.

[0009] Preferably, the front surface of the fixture base is provided with a lifting button and a stop button. The lifting button is located to the side of the stop button. The lifting button, the stop button and the electric push rod are electrically connected. The cable is positioned by the slots on the upper and lower clamping plates through the splicing of the upper and lower clamping plates.

[0010] Preferably, the auxiliary component includes a positioning frame block fixedly mounted on the lower fixture, a stabilizing groove on the positioning frame block, a stabilizing slider slidably mounted in the stabilizing groove, a stabilizing connecting rod fixedly mounted on the stabilizing slider, a stabilizing sprocket fixedly mounted on the stabilizing connecting rod, a connecting rod groove on the front surface of the positioning frame block, an upper connecting frame fixedly mounted on the upper fixture, an auxiliary connecting rod rotatably mounted on the upper connecting frame, an auxiliary sliding rod fixedly mounted on the side end face of the stabilizing slider, and a lower connecting frame fixedly mounted on the auxiliary sliding rod.

[0011] Preferably, a drive motor is fixedly installed on the rear side of the lower fixture, a main sprocket is fixedly installed on the lower rotating shaft, a driven sprocket is fixedly installed on the upper rotating shaft, a limit slider is fixedly installed on the smoothing slider, and a limit groove is formed on the positioning frame block.

[0012] Preferably, one end of the lower rotating shaft is fixedly installed on the output end of the drive motor, the main sprocket is driven by the stabilizing sprocket and the driven sprocket through a chain, the limiting slider is slidably installed with the limiting groove, the end of the stabilizing connecting rod away from the stabilizing slider passes through the connecting rod groove and is slidably installed with the connecting rod groove, and the end of the auxiliary connecting rod away from the upper connecting frame is rotatably connected to the lower connecting frame.

[0013] Preferably, an L-shaped push rod is fixedly installed at the end of the auxiliary slide rod away from the stable slider, a toothed block assembly is fixedly installed on the upper end face of the L-shaped push rod, an auxiliary fixed plate is fixedly installed on the side end face of the lower fixture, and a bearing is fixedly installed on the auxiliary fixed plate.

[0014] Preferably, an auxiliary rotating rod is fixedly installed on the bearing, an auxiliary gear is fixedly installed at one end of the auxiliary rotating rod, and an auxiliary clamping plate is fixedly installed at the other end of the auxiliary rotating rod.

[0015] Preferably, the auxiliary gear is positioned above the L-shaped push rod, the auxiliary gear meshes with the gear block assembly, the auxiliary clamping plate is positioned outside the lower fixture, and the auxiliary clamping plate is arranged at an angle.

[0016] Preferably, an installation cylinder is fixedly installed on the auxiliary plate, and symmetrically arranged auxiliary rotating grooves are opened in the installation cylinder. An auxiliary rotating shaft is rotatably installed in the auxiliary rotating groove, and an auxiliary torsion spring is fixedly connected to the auxiliary rotating shaft. A downward rotating plate is fixedly installed at one end of the auxiliary rotating shaft, and a positioning retaining ring is fixedly installed on the outer side of the installation cylinder.

[0017] Preferably, the end of the auxiliary torsion spring away from the auxiliary rotating shaft is fixedly connected in the auxiliary rotating groove, the auxiliary torsion spring is located outside the auxiliary rotating shaft, and the pressure plate is located outside the auxiliary rotating groove.

[0018] This invention provides a fixture for testing the airtightness of cable adhesive dispensing. Compared with the prior art, it has the following advantages:

[0019] 1. This invention uses a drive motor to rotate the main sprocket on the lower rotating shaft. When the main sprocket rotates, it drives the driven sprocket on the upper rotating shaft to rotate through the cooperation of the chain and the stabilizing sprocket. Through the rotation of the lower and upper rotating shafts, the upper clamping plate on the upper rotating shaft and the lower clamping plate on the lower rotating shaft rotate synchronously. By rotating the angle of the upper and lower clamping plates, the clamping slots on the upper and lower clamping plates are made symmetrical. By adjusting the position of the clamping slots on the upper and lower clamping plates, the entire fixture can be adapted to the inspection of cables of different sizes, effectively improving the versatility of the fixture.

[0020] 2. In this invention, when the electric push rod drives the upper fixture to descend, the upper fixture will drive the auxiliary connecting rod on the upper connecting frame to move synchronously. Through the cooperation between the auxiliary connecting rod and the lower connecting frame, the cooperation between the lower connecting frame and the auxiliary sliding rod, and the limiting position of the auxiliary sliding rod on the positioning block, the auxiliary sliding rod drives the smooth slider to slide in the smooth sliding groove. When the smooth sliding groove slides, it will drive the smooth sprocket to move outward through the smooth connecting rod. The descent of the upper fixture will cause the smooth sprocket to move outward, ensuring that the slots on the upper and lower clamping plates are always in a symmetrical state, ensuring reliable positioning and sealing of the cable, thereby improving the accuracy of the test.

[0021] 3. In this invention, when the auxiliary slide rod moves outward, it drives the L-shaped push rod to move synchronously. Through the meshing of the tooth block group on the L-shaped push rod and the auxiliary gear, the auxiliary rotating rod on the auxiliary fixed plate will rotate with the auxiliary gear. When the auxiliary rotating rod rotates, it drives the auxiliary clamping plate to rotate inward. Through the rotation of the auxiliary clamping plate, it is easy to clamp the auxiliary clamping plate at the connection between the upper fixture and the lower fixture. Through the positioning of the auxiliary clamping plate, it is ensured that the upper fixture and the lower fixture are in a tight fit, which helps to form a closed space and ensure the accuracy of the airtightness test.

[0022] 4. In this invention, when the auxiliary clamping plate rotates inward, it will drive the mounting cylinder to rotate synchronously. When the mounting cylinder rotates to an appropriate angle, the downward pressing plate on the mounting cylinder will adhere to the upper fixture. As the mounting cylinder continues to rotate with the auxiliary clamping plate, the downward pressing plate will rotate due to the squeezing of the upper fixture. At the same time, the downward pressing plate will exert a downward pushing force on the lower fixture through the torque of the auxiliary torsion spring and the rotation of the auxiliary clamping plate. This design further enhances the tightness of the connection between the upper fixture and the lower fixture, ensuring the stability of the test. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the fixture base in this invention;

[0025] Figure 3 This is a schematic diagram of the lower fixture in this invention;

[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0027] Figure 5 for Figure 3 Enlarged view of point B in the middle;

[0028] Figure 6 This is a schematic diagram of the upper and lower card plates in this invention;

[0029] Figure 7 This is a cross-sectional view of the positioning frame block in this invention;

[0030] Figure 8 This is a schematic diagram of the internal structure of the mounting cylinder in this invention.

[0031] In the diagram: 1. Fixture base; 2. Lower fixture; 3. Support rod; 4. Mounting plate; 5. Stabilizing block; 6. Electric push rod; 7. Upper fixture; 8. Test slot; 9. Test through slot; 10. Sealing ring; 11. Upper rotating shaft; 12. Upper clamping plate; 13. Lower rotating shaft; 14. Lower clamping plate; 15. Slot; 16. Lifting button; 17. Stop button; 18. Positioning block; 19. Smooth slide; 20. Smooth slider; 21. Smooth connecting rod; 22. Smooth sprocket; 23. Connecting rod slide; 2 4. Upper connecting frame; 25. Auxiliary connecting rod; 26. Auxiliary slide rod; 27. Lower connecting frame; 28. Drive motor; 29. ​​Main sprocket; 30. Driven sprocket; 31. Limiting slider; 32. Limiting slide groove; 33. L-shaped push rod; 34. Gear block assembly; 35. Auxiliary fixed plate; 36. Bearing; 37. Auxiliary rotating rod; 38. Auxiliary gear; 39. Auxiliary clamping plate; 40. Mounting cylinder; 41. Auxiliary rotating groove; 42. Auxiliary rotating shaft; 43. Auxiliary torsion spring; 44. Lower pressing rotating plate; 45. Positioning retaining ring. Detailed Implementation

[0032] 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.

[0033] Please see Figures 1-8 This invention relates to a test fixture for the airtightness of cable dispensing, comprising a fixture base 1, a lower fixture 2 fixedly mounted on the fixture base 1, a support rod 3 fixedly mounted on the fixture base 1 and outside the lower fixture 2, a mounting plate 4 fixedly mounted on the support rod 3, a stabilizing block 5 fixedly mounted on the mounting plate 4, an electric push rod 6 fixedly mounted on the stabilizing block 5, an upper fixture 7 fixedly mounted on the output shaft of the electric push rod 6, a test groove 8 formed on the lower fixture 2, and test through grooves 9 formed on both the upper fixture 7 and the lower fixture 2, a sealing ring 10 fixedly mounted on the upper surface of the lower fixture 2, an upper rotating shaft 11 rotatably mounted on the front surface of the upper fixture 7, an upper clamping plate 12 fixedly mounted on the upper rotating shaft 11, and a sealing ring 10 fixedly mounted on the upper surface of the lower fixture 2. The fixture 7 is equipped with a lower rotating shaft 13, and a lower clamping plate 14 is fixedly mounted on the lower rotating shaft 13. Both the upper clamping plate 12 and the lower clamping plate 14 have slots 15 of different sizes. The front surface of the fixture base 1 is provided with a lifting button 16 and a stop button 17. The lifting button 16 is located to one side of the stop button 17. The lifting button 16, the stop button 17 and the electric push rod 6 are electrically connected. By splicing the upper clamping plate 12 and the lower clamping plate 14, the cable is positioned using the slots 15 on the upper clamping plate 12 and the lower clamping plate 14. The number of slots 15 is at least four to ensure that after the upper fixture 7 and the lower fixture 2 are spliced, the slots 15 on the upper clamping plate 12 and the lower clamping plate 14 are symmetrical, so that they conform to the size of the cable to be tested.

[0034] An auxiliary component is provided on the fixture base 1. The auxiliary component includes a positioning frame block 18 fixedly mounted on the lower fixture 2. The positioning frame block 18 has a smoothing groove 19. A smoothing slider 20 is slidably mounted in the smoothing groove 19. A smoothing connecting rod 21 is fixedly mounted on the smoothing slider 20. A smoothing sprocket 22 is fixedly mounted on the smoothing connecting rod 21. A connecting rod groove 23 is provided on the front surface of the positioning frame block 18. An upper connecting frame 24 is fixedly mounted on the upper fixture 7. An auxiliary connecting rod 25 is rotatably mounted on the upper connecting frame 24. An auxiliary sliding rod 26 is fixedly mounted on the side end face of the smoothing slider 20. A lower connecting frame 27 is fixedly mounted on the auxiliary sliding rod 26. A drive mechanism is fixedly mounted on the rear side of the lower fixture 2. The drive motor 28 has a main sprocket 29 fixedly mounted on the lower rotating shaft 13, a driven sprocket 30 fixedly mounted on the upper rotating shaft 11, a limit slider 31 fixedly mounted on the stabilizing slider 20, and a limit groove 32 formed on the positioning frame block 18. One end of the lower rotating shaft 13 is fixedly mounted on the output end of the drive motor 28. The main sprocket 29 is driven by the stabilizing sprocket 22 and the driven sprocket 30 through a chain. The limit slider 31 is slidably mounted with the limit groove 32. The end of the stabilizing connecting rod 21 away from the stabilizing slider 20 passes through the connecting rod groove 23 and is slidably mounted with the connecting rod groove 23. The end of the auxiliary connecting rod 25 away from the upper connecting frame 24 is rotatably connected to the lower connecting frame 27.

[0035] In this embodiment, the drive motor 28 drives the main sprocket 29 on the lower rotating shaft 13 to rotate. When the main sprocket 29 rotates, it drives the driven sprocket 30 on the upper rotating shaft 11 to rotate through the cooperation of the chain and the stabilizing sprocket 22. Through the rotation of the lower rotating shaft 13 and the upper rotating shaft 11, the upper clamping plate 12 on the upper rotating shaft 11 and the lower clamping plate 14 on the lower rotating shaft 13 rotate synchronously. By rotating the angle of the upper clamping plate 12 and the lower clamping plate 14, the clamping slots 15 on the upper clamping plate 12 and the lower clamping plate 14 are made symmetrical. By adjusting the position of the clamping slots 15 on the upper clamping plate 12 and the lower clamping plate 14, the entire fixture can be adapted to the detection of cables of different sizes, effectively improving the versatility of the fixture. When the electric push rod 6 When the upper fixture 7 descends, it drives the auxiliary connecting rod 25 on the upper connecting frame 24 to move synchronously. Through the cooperation of the auxiliary connecting rod 25 with the lower connecting frame 27, the cooperation of the lower connecting frame 27 with the auxiliary sliding rod 26, and the limiting of the auxiliary sliding rod 26 on the positioning block 18, the auxiliary sliding rod 26 drives the smooth slider 20 to slide in the smooth sliding groove 19. When the smooth sliding groove 19 slides, it drives the smooth sprocket 22 to move outward through the smooth connecting rod 21. The descent of the upper fixture 7 causes the smooth sprocket 22 to move outward, ensuring that the slots 15 on the upper clamping plate 12 and the lower clamping plate 14 are always in a symmetrical state, ensuring reliable positioning and sealing of the cable, thereby improving the accuracy of the test.

[0036] An L-shaped push rod 33 is fixedly installed at the end of the auxiliary slide rod 26 away from the stable slide block 20. A toothed block assembly 34 is fixedly installed on the upper end face of the L-shaped push rod 33. An auxiliary fixed plate 35 is fixedly installed on the side end face of the lower fixture 2. A bearing 36 is fixedly installed on the auxiliary fixed plate 35. An auxiliary rotating rod 37 is fixedly installed on the bearing 36. An auxiliary gear 38 is fixedly installed at one end of the auxiliary rotating rod 37. An auxiliary clamping plate 39 is fixedly installed at the other end of the auxiliary rotating rod 37. The auxiliary gear 38 is positioned at the L-shaped push rod 33. Above, the auxiliary gear 38 meshes with the tooth block assembly 34. The auxiliary clamping plate 39 is located outside the lower fixture 2 and is arranged at an angle. The tooth block assembly 34 is located below the auxiliary gear 38. When the tooth block assembly 34 moves outward with the L-shaped push rod 33, the auxiliary gear 38 will rotate clockwise. When the auxiliary gear 38 rotates, it will drive the auxiliary clamping plate 39 to rotate through the auxiliary rotating rod 37. The positioning of the bearing 36 ensures the stability of the auxiliary rotating rod 37 during rotation.

[0037] In this embodiment, when the auxiliary slide rod 26 moves outward, it will drive the L-shaped push rod 33 to move synchronously. Through the meshing of the tooth block group 34 on the L-shaped push rod 33 and the auxiliary gear 38, the auxiliary rotating rod 37 on the auxiliary fixed plate 35 will rotate with the auxiliary gear 38. When the auxiliary rotating rod 37 rotates, it will drive the auxiliary clamping plate 39 to rotate inward. Through the rotation of the auxiliary clamping plate 39, it is easy to clamp the auxiliary clamping plate 39 at the connection between the upper fixture 7 and the lower fixture 2. Through the positioning of the auxiliary clamping plate 39, it is ensured that the upper fixture 7 and the lower fixture 2 are in a tight fit, which helps to form a closed space and ensure the accuracy of the airtightness test.

[0038] An mounting cylinder 40 is fixedly installed on the auxiliary plate 39. The mounting cylinder 40 has symmetrically arranged auxiliary rotating grooves 41. An auxiliary rotating shaft 42 is rotatably installed in the auxiliary rotating grooves 41. An auxiliary torsion spring 43 is fixedly connected to the auxiliary rotating shaft 42. A downward pressing rotating plate 44 is fixedly installed at one end of the auxiliary rotating shaft 42. A positioning retaining ring 45 is fixedly installed on the outer side of the mounting cylinder 40. The end of the auxiliary torsion spring 43 away from the auxiliary rotating shaft 42 is fixedly connected in the auxiliary rotating groove 41. The auxiliary torsion spring 43 is located outside the auxiliary rotating shaft 42. The downward pressing rotating plate 44 is located outside the auxiliary rotating groove 41. The cross-sectional shape of the auxiliary rotating shaft 42 is T-shaped, which ensures that the auxiliary torsion spring 43 is installed on the auxiliary rotating shaft 42 and is also located outside the auxiliary rotating shaft 42. The reaction force of the auxiliary torsion spring 43 ensures that the downward pressing rotating plate 44 will drive the upper fixture 7 to generate a downward thrust when rotating, ensuring the sealing effect between the upper fixture 7 and the lower fixture 2.

[0039] In this embodiment, when the auxiliary clamping plate 39 rotates inward, it will drive the mounting cylinder 40 to rotate synchronously. When the mounting cylinder 40 rotates to an appropriate angle, the downward pressing rotating plate 44 on the mounting cylinder 40 will adhere to the upper fixture 7. As the mounting cylinder 40 continues to rotate with the auxiliary clamping plate 39, the downward pressing rotating plate 44 will rotate due to the squeezing of the upper fixture 7. At the same time, the downward pressing rotating plate 44 will generate a downward pushing force on the lower fixture 2 through the torque of the auxiliary torsion spring 43 and the rotation of the auxiliary clamping plate 39. This design further enhances the tightness of the connection between the upper fixture 7 and the lower fixture 2, ensuring the stability of the test.

[0040] Working principle: In use, the drive motor 28 drives the main sprocket 29 on the lower rotating shaft 13 to rotate. When the main sprocket 29 rotates, it drives the driven sprocket 30 on the upper rotating shaft 11 to rotate through the cooperation of the chain and the stabilizing sprocket 22. Through the rotation of the lower rotating shaft 13 and the upper rotating shaft 11, the upper clamping plate 12 on the upper rotating shaft 11 and the lower clamping plate 14 on the lower rotating shaft 13 rotate synchronously. By rotating the angle of the upper clamping plate 12 and the lower clamping plate 14, the clamping slots 15 on the upper clamping plate 12 and the lower clamping plate 14 are made symmetrical. By adjusting the position of the clamping slots 15 on the upper clamping plate 12 and the lower clamping plate 14, the entire fixture can be adapted to lines of different sizes. Cable inspection effectively improves the versatility of the fixture. When the electric push rod 6 drives the upper fixture 7 to descend, the upper fixture 7 will drive the auxiliary connecting rod 25 on the upper connecting frame 24 to move synchronously. Through the cooperation of the auxiliary connecting rod 25 and the lower connecting frame 27, the cooperation of the lower connecting frame 27 and the auxiliary sliding rod 26, and the limiting of the auxiliary sliding rod 26 on the positioning block 18, the auxiliary sliding rod 26 drives the smooth slider 20 to slide in the smooth sliding groove 19. When the smooth sliding groove 19 slides, it will drive the smooth sprocket 22 to move outward through the smooth connecting rod 21. The descent of the upper fixture 7 causes the smooth sprocket 22 to move outward, ensuring that the upper clamping plate 12 and the lower clamping plate 14 are aligned. The slot 15 is always in a symmetrical state, ensuring reliable positioning and sealing of the cable, thereby improving testing accuracy. When the auxiliary slide rod 26 moves outward, it drives the L-shaped push rod 33 to move synchronously. Through the meshing of the tooth block group 34 on the L-shaped push rod 33 and the auxiliary gear 38, the auxiliary rotating rod 37 on the auxiliary fixed plate 35 will rotate with the auxiliary gear 38. When the auxiliary rotating rod 37 rotates, it drives the auxiliary clamping plate 39 to rotate inward. Through the rotation of the auxiliary clamping plate 39, it is easy to clamp the auxiliary clamping plate 39 at the connection between the upper fixture 7 and the lower fixture 2. Through the positioning of the auxiliary clamping plate 39, it is ensured that the upper fixture 7 and the lower fixture 2 are in a symmetrical state. The tight fit helps to form a closed space, ensuring the accuracy of the airtightness test. When the auxiliary clamping plate 39 rotates inward, it will drive the mounting cylinder 40 to rotate synchronously. When the mounting cylinder 40 rotates to an appropriate angle, the downward pressing rotating plate 44 on the mounting cylinder 40 will fit against the upper fixture 7. As the mounting cylinder 40 continues to rotate with the auxiliary clamping plate 39, the downward pressing rotating plate 44 will rotate due to the compression of the upper fixture 7. At the same time, the downward pressing rotating plate 44 will exert a downward pushing force on the lower fixture 2 through the torque of the auxiliary torsion spring 43 and the rotation of the auxiliary clamping plate 39, thereby enhancing the tightness of the connection between the upper fixture 7 and the lower fixture 2 and ensuring the stability of the test.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A cable dispensing airtightness testing fixture, comprising a fixture base (1), characterized in that: A lower fixture (2) is fixedly installed on the fixture base (1). A support rod (3) is fixedly installed on the fixture base (1) and outside the lower fixture (2). A mounting plate (4) is fixedly installed on the support rod (3). A stabilizing block (5) is fixedly installed on the mounting plate (4). An electric push rod (6) is fixedly installed on the stabilizing block (5). An upper fixture (7) is fixedly installed on the output shaft of the electric push rod (6). The lower fixture (2) is provided with a test groove (8), and the upper fixture (7) and the lower fixture (2) are both provided with test through grooves (9). A sealing ring (10) is fixedly installed on the upper surface of the lower fixture (2). An upper rotating shaft (11) is rotatably installed on the front surface of the upper fixture (7). An upper clamping plate (12) is fixedly installed on the upper rotating shaft (11). A lower rotating shaft (13) is rotatably installed on the front surface of the lower fixture (2). A lower clamping plate (14) is fixedly installed on the lower rotating shaft (13). The upper clamping plate (12) and the lower clamping plate (14) are both provided with clamping grooves (15) of different sizes. The fixture base (1) is provided with auxiliary components.

2. The cable dispensing airtightness testing fixture according to claim 1, characterized in that: The front surface of the fixture base (1) is provided with a lifting button (16) and a stop button (17). The lifting button (16) is located on one side of the stop button (17). The lifting button (16), the stop button (17) and the electric push rod (6) are electrically connected. The cable is positioned by the slots (15) on the upper plate (12) and the lower plate (14) through the splicing of the upper plate (12) and the lower plate (14).

3. The cable dispensing airtightness testing fixture according to claim 1, characterized in that: The auxiliary components include a positioning frame block (18) fixedly installed on the lower fixture (2), a smoothing groove (19) is provided on the positioning frame block (18), a smoothing slider (20) is slidably installed in the smoothing groove (19), a smoothing connecting rod (21) is fixedly installed on the smoothing slider (20), a smoothing sprocket (22) is fixedly installed on the smoothing connecting rod (21), a connecting rod groove (23) is provided on the front surface of the positioning frame block (18), an upper connecting frame (24) is fixedly installed on the upper fixture (7), an auxiliary connecting rod (25) is rotatably installed on the upper connecting frame (24), an auxiliary sliding rod (26) is fixedly installed on the side end face of the smoothing slider (20), and a lower connecting frame (27) is fixedly installed on the auxiliary sliding rod (26).

4. The cable dispensing airtightness testing fixture according to claim 3, characterized in that: A drive motor (28) is fixedly installed on the rear side of the lower fixture (2), a main sprocket (29) is fixedly installed on the lower rotating shaft (13), a driven sprocket (30) is fixedly installed on the upper rotating shaft (11), a limit slider (31) is fixedly installed on the smooth slider (20), and a limit groove (32) is opened on the positioning block (18).

5. The cable dispensing airtightness testing fixture according to claim 4, characterized in that: One end of the lower rotating shaft (13) is fixedly installed on the output end of the drive motor (28). The main sprocket (29) is driven by the chain, the stabilizing sprocket (22), and the driven sprocket (30). The limiting slider (31) is slidably installed with the limiting groove (32). The end of the stabilizing connecting rod (21) away from the stabilizing slider (20) passes through the connecting rod groove (23) and is slidably installed with the connecting rod groove (23). The end of the auxiliary connecting rod (25) away from the upper connecting frame (24) is rotatably connected to the lower connecting frame (27).

6. The cable dispensing airtightness testing fixture according to claim 4, characterized in that: An L-shaped push rod (33) is fixedly installed at the end of the auxiliary slide rod (26) away from the stable slide block (20). A tooth block assembly (34) is fixedly installed on the upper end face of the L-shaped push rod (33). An auxiliary fixed plate (35) is fixedly installed on the side end face of the lower fixture (2). A bearing (36) is fixedly installed on the auxiliary fixed plate (35).

7. The cable dispensing airtightness testing fixture according to claim 6, characterized in that: An auxiliary rotating rod (37) is fixedly installed on the bearing (36). An auxiliary gear (38) is fixedly installed at one end of the auxiliary rotating rod (37), and an auxiliary clamping plate (39) is fixedly installed at the other end of the auxiliary rotating rod (37).

8. The cable dispensing airtightness testing fixture according to claim 7, characterized in that: The auxiliary gear (38) is positioned above the L-shaped push rod (33), and the auxiliary gear (38) meshes with the tooth block assembly (34). The auxiliary clamping plate (39) is positioned outside the lower fixture (2), and the auxiliary clamping plate (39) is arranged at an angle.

9. A cable dispensing airtightness testing fixture according to claim 8, characterized in that: An installation cylinder (40) is fixedly installed on the auxiliary card plate (39). A symmetrically arranged auxiliary rotating groove (41) is provided inside the installation cylinder (40). An auxiliary rotating shaft (42) is rotatably installed inside the auxiliary rotating groove (41). An auxiliary torsion spring (43) is fixedly connected to the auxiliary rotating shaft (42). A downward rotating plate (44) is fixedly installed at one end of the auxiliary rotating shaft (42). A positioning retaining ring (45) is fixedly installed on the outer side of the installation cylinder (40).

10. A cable dispensing airtightness testing fixture according to claim 9, characterized in that: The auxiliary torsion spring (43) is fixedly connected to the auxiliary rotating groove (41) at one end away from the auxiliary rotating shaft (42). The auxiliary torsion spring (43) is located outside the auxiliary rotating shaft (42), and the pressure plate (44) is located outside the auxiliary rotating groove (41).

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