Airtight machine for detecting automobile wire harness

Abstract

The utility model relates to the technical field of automobile wire harness airtightness detection, in particular to an airtightness machine for detecting an automobile wire harness. According to the technical scheme, the device comprises a base, shells are installed on one side of the upper surface of the base and the lower surface of a lifting plate, a lower wire harness airtightness detection tool is installed at the top end of the shell on the base, an upper wire harness airtightness detection tool is installed at the bottom end of the shell on the lifting plate, rotating shafts are installed in the shells, and the rotating shafts are connected with the lifting plate. A first moving plate and a second moving plate are mounted on the two sides of the outer wall of the rotating shaft correspondingly, connecting rods are mounted on the surfaces of one sides of the first moving plate and the second moving plate correspondingly, and the other ends of the connecting rods penetrate through strip-shaped groove holes in the surface of one side of the shell and extend to the outside to be connected with the mounting plate. According to the utility model, a worker can conveniently dismount and replace the upper wire harness airtightness detection tool and the lower wire harness airtightness detection tool, the dismounting operation is simple, the dismounting efficiency is high, the use of the worker is facilitated, and the practicability is strong.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile wiring harness airtightness detection, in particular to an airtightness machine for detecting automobile wiring harnesses. Background Art

[0002] Airtightness testing is a quality control application developed for the transportation sector, military sector and basic industry to improve the airtightness of vehicles, aircraft, ships, etc., and is used for rigorous integrity assessment of aircraft, automobile shells, ships and internal containers. The wiring harness provides the overall service equipment for a certain load source group, such as relay lines, switching devices, control systems, etc.; in order to ensure the waterproof sealing of the wiring harness joints, the wiring harness needs to be tested for airtightness before leaving the factory.

[0003] After searching, the patent announcement number CN220583682U discloses a harness air tightness detection device, including a processing table, a support frame is arranged on the top side of the processing table, a hydraulic cylinder is fixedly connected to the top side of the support frame, the bottom side of the hydraulic cylinder is connected to the top side of the upper mold assembly, the bottom side of the support frame and the top side of the processing table are respectively provided with an upper mold assembly and a lower mold assembly; a base is arranged on the top side of the processing table, a lower mold is arranged on the top side of the base, a through hole is opened inside the lower mold, openings are opened at both ends of the lower mold, a sealing pad is fixedly connected to the inner wall of the opening, the lower mold assembly includes a lower mold, and a sealing assembly is arranged inside the lower mold; the sealing assembly includes a rear sealing airbag and a front sealing airbag, the front sealing airbag and the rear sealing airbag are respectively located at the front and rear ends of the lower mold, and a second air pump is connected to one side of the front sealing airbag and the rear sealing airbag. This device can realize the rapid sealing of the wiring harness joint to be detected, facilitate the air tightness detection of the wiring harness to be detected, and improve the detection efficiency.

[0004] When the existing airtight machine for testing automobile wiring harnesses is actually used, when the staff needs to perform airtightness tests on wiring harnesses of different models and types, different types of wiring harness airtightness testing tools are required. At this time, the staff needs to disassemble and replace the wiring harness airtightness testing tools. However, the current wiring harness airtightness testing tools are generally fixed and installed by tightening bolts. This fixed installation method is cumbersome and inefficient to disassemble and install. For this reason, we propose an airtight machine for testing automobile wiring harnesses to solve the existing problems. Utility Model Content

[0005] The utility model aims to provide an airtight machine for detecting automobile wiring harnesses to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an airtight machine for detecting automobile wiring harnesses, comprising a base, a shell is installed on one side of the upper surface of the base and the lower surface of the lifting plate, a lower wiring harness airtight detection tool is installed on the top of the shell on the base, an upper wiring harness airtight detection tool is installed on the bottom of the shell on the lifting plate, a rotating shaft is installed inside the shell, a first movable plate and a second movable plate are installed on both sides of the outer wall of the rotating shaft, a connecting rod is installed on one side surface of the first movable plate and the second movable plate, and the connecting rod The other end of passes through the strip slot on the surface of one side of the shell and extends to the outside to be connected with the mounting plate, and an L-shaped clamping plate is installed on the other side surface of the mounting plate, and the other end of the L-shaped clamping plate is installed in the positioning slot, and the positioning slot is opened on the outer walls of both sides of the upper wire harness air tightness detection tooling and the lower wire harness air tightness detection tooling, a top plate is arranged above the lifting plate, and an electric push rod is installed at the center position of the upper surface of the top plate, and the bottom end of the electric push rod passes through the surface of the top plate and is connected to the lifting plate, and a wire harness air tightness detector is installed on the other side of the upper surface of the base.

[0007] Preferably, a slider is installed on the other side surface of the first movable plate and the second movable plate, the other end of the slider is installed on a slide rail, and the slider and the slide rail are slidably connected, and the slide rail is installed on the inner wall at one end of the shell.

[0008] Preferably, threaded holes are provided at the center positions of the end walls of the first movable plate and the second movable plate, and left-handed threads and right-handed threads are respectively provided on both sides of the outer wall of the rotating shaft, and the left-handed threads on the outer wall of the rotating shaft are threadedly engaged with the threaded holes on the first movable plate, and the right-handed threads on the outer wall of the rotating shaft are threadedly engaged with the threaded holes on the second movable plate.

[0009] Preferably, the outer wall of the connecting rod and the hole wall of the strip-shaped slot hole are connected with a gap.

[0010] Preferably, the outer wall of the other end of the L-shaped clamping plate is gap-connected to the hole wall of the positioning slot hole.

[0011] Preferably, through holes are opened at the four corners of the surface of the lifting plate, and columns are installed in the through holes. The outer wall of the column and the hole wall of the through hole are connected with a gap, the top end of the column is installed on the lower surface of the top plate, and the bottom end of the column is installed on the upper surface of the base.

[0012] Preferably, support feet are installed at the four corners of the lower surface of the base.

[0013] Preferably, both ends of the rotating shaft penetrate the bearings on the outer walls of both sides of the shell and extend to the outside to be connected with the rotating hand wheel.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a series of coordinated structures. When the staff needs to perform air tightness detection operations on wire harnesses of different models and types, when the staff disassemble and assemble the upper wire harness air tightness detection tooling and the lower wire harness air tightness detection tooling, when the staff rotates the hand wheel forward or reversely, the rotating shaft will be driven to rotate forward or reversely, because the left-handed thread on the outer wall of the rotating shaft is threadedly engaged with the threaded hole on the first movable plate, and the right-handed thread on the outer wall of the rotating shaft is threadedly engaged with the threaded hole on the second movable plate. When the lever is in the L-shaped position, the second lever is in the L-shaped position, and the lever is in the L-shaped position, so that the lever can be moved in the X-axis direction when the lever is in the L-shaped position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at A in the figure.

[0019] In the figure: 1. Wire harness air tightness tester; 2. Base; 3. Support foot; 4. Electric push rod; 5. Top plate; 6. Through hole; 7. Lifting plate; 8. Column; 9. Upper wire harness air tightness test tool; 10. L-shaped clamp; 11. Mounting plate; 12. Turning hand wheel; 13. Strip slot; 14. Shell; 15. Lower wire harness air tightness test tool; 16. Slide rail; 17. Slider; 18. First movable plate; 19. Rotating shaft; 20. Second movable plate; 21. Threaded hole; 22. Connecting rod; 23. Positioning slot. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Example

[0021] like Figure 1-4As shown, the utility model proposes an airtight machine for detecting automobile wiring harnesses, comprising a base 2, a shell 14 is installed on one side of the upper surface of the base 2 and the lower surface of the lifting plate 7, a lower wiring harness airtight detection tool 15 is installed on the top of the shell 14 on the base 2, an upper wiring harness airtight detection tool 9 is installed on the bottom of the shell 14 on the lifting plate 7, a rotating shaft 19 is installed inside the shell 14, a first movable plate 18 and a second movable plate 20 are installed on both sides of the outer wall of the rotating shaft 19, a connecting rod 22 is installed on one side of the first movable plate 18 and the second movable plate 20, and the other end of the connecting rod 22 A strip slot 13 passes through the surface of one side of the shell 14 and extends to the outside to be connected to the mounting plate 11. An L-shaped clamp 10 is installed on the other side of the mounting plate 11. The other end of the L-shaped clamp 10 is installed in the positioning slot 23, and the positioning slot 23 is provided on the outer walls of both sides of the upper wiring harness air-tightness detection tooling 9 and the lower wiring harness air-tightness detection tooling 15. A top plate 5 is arranged above the lifting plate 7, and an electric push rod 4 is installed at the center of the upper surface of the top plate 5. The bottom end of the electric push rod 4 passes through the surface of the top plate 5 and is connected to the lifting plate 7. A wiring harness air-tightness detector 1 is installed on the other side of the upper surface of the base 2.

[0022] The working principle of the airtight machine for detecting automobile wiring harnesses based on the first embodiment is as follows: when the staff needs to perform airtightness detection operations on wiring harnesses of different models and types, when the staff disassembles and assembles the upper wiring harness airtightness detection tooling 9 and the lower wiring harness airtightness detection tooling 15, the staff will drive the rotating shaft 19 to rotate forward or reverse when rotating the hand wheel 12 forward or reverse, because the left-handed thread on the outer wall of the rotating shaft 19 is threadedly engaged with the threaded hole 21 on the first movable plate 18, and the right-handed thread on the outer wall of the rotating shaft 19 is threadedly engaged with the threaded hole 21 on the second movable plate 20, so that When the rotating shaft 19 rotates forward or reversely, the first movable plate 18 and the second movable plate 20 will move in the X-axis direction, and the directions of movement of the first movable plate 18 and the second movable plate 20 are opposite. After the staff moves one end of the L-shaped clamp 10 out of the positioning slot 23, the staff completes the disassembly and assembly operations of the upper wiring harness air-tightness detection tooling 9 and the lower wiring harness air-tightness detection tooling 15. The utility model facilitates the staff to disassemble, assemble and replace the upper wiring harness air-tightness detection tooling 9 and the lower wiring harness air-tightness detection tooling 15. The disassembly and assembly operation is simple and the disassembly and assembly efficiency is high, which is convenient for the staff to use. Example

[0023] like Figure 1-4As shown, the utility model proposes an airtight machine for detecting automobile wiring harnesses. Compared with the first embodiment, this embodiment also includes: a slider 17 is installed on the other side surface of the first movable plate 18 and the second movable plate 20, the other end of the slider 17 is installed on the slide rail 16, and the slider 17 and the slide rail 16 are slidably connected, the slide rail 16 is installed on the inner wall of one end of the shell 14, and the center position of the end wall of the first movable plate 18 and the second movable plate 20 is provided with a threaded hole 21, and the outer wall of the shaft 19 is provided with a left-handed thread and a right-handed thread on both sides, and the left-handed thread on the outer wall of the shaft 19 is threadedly engaged with the threaded hole 21 on the first movable plate 18, and the right-handed thread on the outer wall of the shaft 19 is threadedly engaged with the threaded hole 21 on the first movable plate 18. The threaded groove is connected with the threaded hole 21 on the second movable plate 20 by threaded engagement, the outer wall of the connecting rod 22 is connected with the hole wall of the strip slot 13 by gap, the outer wall of the other end of the L-shaped clamping plate 10 is connected with the hole wall of the positioning slot 23 by gap, through holes 6 are opened at the four corners of the surface of the lifting plate 7, and a column 8 is installed in the through hole 6, and the outer wall of the column 8 is connected with the hole wall of the through hole 6 by gap, the top end of the column 8 is installed on the lower surface of the top plate 5, and the bottom end of the column 8 is installed on the upper surface of the base 2, and the four corners of the lower surface of the base 2 are installed with supporting feet 3, and both ends of the rotating shaft 19 pass through the bearings on the outer walls of both sides of the shell 14 and extend to the outside to be connected with the rotating handwheel 12.

[0024] In this embodiment, the coordinated arrangement of the slider 17 and the slide rail 16 can play a role of limiting and guiding the movement of the first movable plate 18 and the second movable plate 20, thereby avoiding the situation where the first movable plate 18 and the second movable plate 20 rotate with the rotation of the rotating shaft 19. Since the outer wall of the connecting rod 22 and the hole wall of the strip slot 13 are connected by a gap, the movement of the L-shaped clamp 10 can be indirectly limited and guided, thereby enhancing the stability of the L-shaped clamp 10 when moving. Since the outer wall of the other end of the L-shaped clamp 10 and the hole wall of the positioning slot 23 are connected by a gap, the L-shaped clamp 10 can be installed in the positioning slot 23 or the L-shaped clamp 10 can be moved out of the positioning slot 23.

[0025] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. An airtight machine for detecting automobile wiring harnesses, comprising a base (2), characterized in that: A shell (14) is installed on one side of the upper surface of the base (2) and the lower surface of the lifting plate (7); a lower wire harness airtightness detection tool (15) is installed on the top end of the shell (14) on the base (2); an upper wire harness airtightness detection tool (9) is installed on the bottom end of the shell (14) on the lifting plate (7); a rotating shaft (19) is installed inside the shell (14); a first movable plate (18) and a second movable plate (20) are installed on both sides of the outer wall of the rotating shaft (19); a connecting rod (22) is installed on one side surface of the first movable plate (18) and the second movable plate (20); the other end of the connecting rod (22) passes through a strip-shaped portion on the surface of one side of the shell (14). The slot (13) extends to the outside and is connected to the mounting plate (11); an L-shaped clamp (10) is installed on the other side surface of the mounting plate (11); the other end of the L-shaped clamp (10) is installed in the positioning slot (23); and the positioning slot (23) is provided on the outer walls of both sides of the upper wiring harness air-tightness detection tooling (9) and the lower wiring harness air-tightness detection tooling (15); a top plate (5) is arranged above the lifting plate (7); an electric push rod (4) is installed at the center position of the upper surface of the top plate (5); the bottom end of the electric push rod (4) passes through the surface of the top plate (5) and is connected to the lifting plate (7); and a wiring harness air-tightness detector (1) is installed on the other side of the upper surface of the base (2).

2. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: A slider (17) is installed on the other side surface of the first movable plate (18) and the second movable plate (20), the other end of the slider (17) is installed on the slide rail (16), and the slider (17) and the slide rail (16) are slidably connected, and the slide rail (16) is installed on the inner wall at one end of the housing (14).

3. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: The end walls of the first movable plate (18) and the second movable plate (20) are both provided with threaded holes (21) at their center positions, and the outer wall of the rotating shaft (19) is provided with left-handed threads and right-handed threads on both sides, respectively. The left-handed threads on the outer wall of the rotating shaft (19) are threadedly engaged with the threaded holes (21) on the first movable plate (18), and the right-handed threads on the outer wall of the rotating shaft (19) are threadedly engaged with the threaded holes (21) on the second movable plate (20).

4. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: The outer wall of the connecting rod (22) and the hole wall of the strip-shaped slot hole (13) are connected with a gap.

5. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: The outer wall of the other end of the L-shaped clamping plate (10) and the hole wall of the positioning slot hole (23) are connected with a gap.

6. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: Through holes (6) are provided at four corners of the surface of the lifting plate (7), and columns (8) are installed in the through holes (6). The outer wall of the column (8) is connected to the hole wall of the through hole (6) with a gap, the top end of the column (8) is installed on the lower surface of the top plate (5), and the bottom end of the column (8) is installed on the upper surface of the base (2).

7. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: Support feet (3) are installed at the four corners of the lower surface of the base (2).

8. The airtight machine for detecting automobile wiring harness according to claim 1, characterized in that: Both ends of the rotating shaft (19) penetrate the bearings on the outer walls of both sides of the housing (14) and extend to the outside to be connected to the rotating hand wheel (12).

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