Household appliance wire harness end interface test equipment

Abstract

The utility model provides a household appliance wire harness end interface test device comprising a pedestal, two sides of the top of the pedestal are provided with shaft rod supporting seats, and a bidirectional screw rod is movably connected between the two shaft rod supporting seats. According to the household appliance wire harness end interface test equipment, the stability between the wire harness and the placement seat can be ensured, and the depth of the vertical plate at the upper edge and the lower edge of the cover plate can be adjusted according to the thickness of the wire harness, so that the purpose of adjusting the moving distance of the vertical plate pushing the inclined plane column is achieved, and the clamping plate can be clamped with the wire harnesses with different sizes.

Description

Technical Field

[0001] The utility model relates to a home appliance harness end interface test device, belonging to the field of harness test devices. Background Art

[0002] The wiring harness test is to test the wiring components and insulating wrapping materials that connect various electrical devices in the circuit to find out possible problems. In order to ensure the safe and reliable use of the wiring harness, a continuity test is usually performed before the wiring harness is put into use. When performing a continuity test on the wiring harness commonly used in home appliances, a wiring harness end interface power test device is usually used.

[0003] In the existing harness end interface power-on test device, during the test, the harness clamping device can only adapt to one type of harness and cannot adapt to harnesses of different thicknesses, which reduces the practicality of the test device. The harness clamping device cannot be adaptively adjusted according to the thickness of the harness. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a home appliance harness end interface testing device.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] A home appliance harness end interface testing device comprises a base, wherein shaft support seats are provided on both sides of the top of the base, a bidirectional screw rod is movably connected between the two shaft support seats, one end of the bidirectional screw rod is connected to a motor, and the motor is fixed on one of the shaft support seats, and both ends of the bidirectional screw rod are respectively threadedly connected to a nut moving seat, a test module is provided on the top of the nut moving seat, a harness seat connected to the test module is fixed on the top of the base, and a harness limiting mechanism is fixed on the top of the base.

[0007] Furthermore, the wiring harness limiting mechanism includes support plates fixed on both sides of the middle part of the base, a placement seat is fixed between the two support plates, a placement groove is opened at the top center of the placement seat, an inner cavity is opened inside the placement seat, and a movable opening connected to the placement groove is provided at the top center of the inner cavity.

[0008] Furthermore, two sliding holes are symmetrically opened inside the inner cavity and below the movable opening, and a push plate is slidably connected to the inside of each of the two sliding holes. The top of the push plate passes through the movable opening to the inside of the placement groove and is connected and fixed to the clamping plate.

[0009] Furthermore, a limit plate is movably connected to both sides of the inner cavity, a sliding sleeve is movably connected to the other end of the limit plate, a cross plate is slidably connected between the two sliding sleeves, the cross plate is vertically slidably connected to the inner cavity, and the sliding sleeve and the push plate are movably connected via a movable plate.

[0010] Furthermore, the inner bottom of the inner cavity is laterally slidably connected with a bevel column, and a bevel is respectively provided at both ends of the bevel column, one of the bevels at the end of the bevel column is squeezed together with the cross plate, and a guide plate is fixed to the outer surface of both sides of the bevel column, and the end of the guide plate passes through the guide groove on the inner wall of the inner cavity, and a return spring matching the guide plate is provided in the guide groove.

[0011] Furthermore, the wiring harness limiting mechanism also includes a cover plate located on the top of the placement seat, one end of the bottom of the cover plate is connected to two vertical plates, the cover plate is clamped on the top of the placement seat, and the bottom end of the vertical plate passes through the inner cavity and is squeezed together with another inclined surface at the end of the inclined column.

[0012] Furthermore, the cover plate is provided with a connection hole matched with the vertical plate, a fixing plate is fixed to the side of the connection hole, the fixing plate is provided with connecting bolts, and the outer surface of the vertical plate is provided with a plurality of bolt holes matched with the connecting bolts.

[0013] Furthermore, a connecting hole penetrating into the inner cavity is opened on the top of the placement seat, and the bottom end of the vertical plate passes through the connecting hole into the inner cavity and is squeezed together with the inclined surface of the end of the inclined column.

[0014] Furthermore, limiting slide blocks are fixed on both sides of the bottom of the nut moving seat, and limiting sliding grooves matching with the limiting slide blocks are respectively provided on both sides of the top of the base.

[0015] Beneficial effects of the utility model:

[0016] Through the design of the wire harness limiting mechanism, when the cover plate is clamped on the top of the placement seat, the two vertical plates on the cover plate are inserted into the inner cavity through the connecting holes, thereby squeezing the inclined surface at the end of the inclined column, thereby pushing the inclined column to move laterally. While the inclined column moves laterally, the inclined surface at the other end will squeeze and push the cross plate, thereby pushing the cross plate to rise vertically. The vertical rise of the cross plate drives the two sliding sleeves to rise synchronously. The sliding sleeve moves laterally on the cross plate under the push of the limiting plate. While the sliding sleeve moves laterally, it will push the pushing plate to move laterally through the movable plate. The lateral movement of the pushing plate will push the two clamping plates to move in the placement groove, thereby clamping the wire harness from both sides. At the same time, the cover plate covers the top of the placement seat, thereby clamping and limiting the wire harness from the top, thereby ensuring the stability between the wire harness and the placement seat.

[0017] Through the design of connecting bolts and bolt holes, the depth of the vertical plate on the upper and lower edges of the cover plate can be adjusted according to the thickness of the wiring harness, thereby achieving the purpose of adjusting the vertical plate to push the inclined column to move, so that the clamping plate can be clamped together with wiring harnesses of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a home wiring harness end interface testing device of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a harness limiting mechanism of a home appliance harness end interface testing device of the utility model;

[0021] Figure 3 This is a schematic diagram of the partial structure of the harness limiting mechanism of a home appliance harness end interface test device of the utility model Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the partial structure of the harness limiting mechanism of a home appliance harness end interface test device of the utility model Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the partial structure of the harness limiting mechanism of a home appliance harness end interface test device of the utility model Figure 3 .

[0024] In the figure, 1, base; 2, shaft support seat; 3, bidirectional screw; 4, motor; 5, nut moving seat; 6, limiting slide groove; 7, test module; 8, harness seat; 9, support plate; 10, placement seat; 11, placement groove; 12, inner cavity; 13, sliding hole; 14, push plate; 15, clamping plate; 16, limiting plate; 17, sliding sleeve; 18, horizontal plate; 19, movable plate; 20, inclined column; 21, guide plate; 22, reset spring; 23, cover plate; 24, vertical plate; 25, fixed plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 The utility model provides a technical solution for a home appliance harness end interface test device, a home appliance harness end interface test device, comprising a base 1, shaft support seats 2 are arranged on both sides of the top of the base 1, a bidirectional screw rod 3 is movably connected between the two shaft support seats 2, one end of the bidirectional screw rod 3 is connected to a motor 4, the motor 4 is fixed on one of the shaft support seats 2, and a nut moving seat 5 is threadedly connected to both ends of the bidirectional screw rod 3, a test module 7 is arranged on the top of the nut moving seat 5, and limit sliders are fixed on both sides of the bottom of the nut moving seat 5, and limit slide grooves 6 cooperating with the limit sliders are respectively opened on both sides of the top of the base 1, a harness seat 8 connected to the test module 7 is fixed on the top of the base 1, and a harness limiting mechanism is fixed on the top of the base 1.

[0027] See also Figure 2-Figure 5The harness limiting mechanism includes support plates 9 fixed on both sides of the middle part of the base 1, a placement seat 10 is fixed between the two support plates 9, a placement slot 11 is provided at the top center of the placement seat 10, an inner cavity 12 is provided inside the placement seat 10, a movable opening communicating with the placement slot 11 is provided at the top center of the inner cavity 12, two sliding holes 13 are symmetrically provided inside the inner cavity 12 and below the movable opening, a push plate 14 is slidably connected to the inside of the two sliding holes 13, the top of the push plate 14 passes through the movable opening to the inside of the placement slot 11 and is connected and fixed to the clamping plate 15, and a limiting plate 1 is movably connected to both sides of the inner cavity 12 6. The other end of the limit plate 16 is movably connected with a sliding sleeve 17, and a cross plate 18 is slidably connected between the two sliding sleeves 17. The cross plate 18 is vertically slidably connected to the inside of the inner cavity 12. The sliding sleeve 17 and the push plate 14 are movably connected through a movable plate 19. The inner bottom of the inner cavity 12 is slidably connected with a bevel column 20. The two ends of the bevel column 20 are respectively provided with a bevel, and one of the bevels at the end of the bevel column 20 is squeezed together with the cross plate 18. A guide plate 21 is fixed to the outer surface of both sides of the bevel column 20. The end of the guide plate 21 penetrates into the guide groove on the inner wall of the inner cavity 12, and a return spring 2 cooperating with the guide plate 21 is provided in the guide groove. 2. The harness limiting mechanism also includes a cover plate 23 located at the top of the placement seat 10, and one end of the bottom of the cover plate 23 is connected to two vertical plates 24. The cover plate 23 is clamped on the top of the placement seat 10, and the bottom end of the vertical plate 24 penetrates into the inner cavity 12 and is pressed together with another inclined surface at the end of the inclined column 20. A connecting hole that penetrates into the inner cavity 12 is opened on the top of the placement seat 10, and the bottom end of the vertical plate 24 penetrates into the inner cavity 12 through the connecting hole and is pressed together with the inclined surface at the end of the inclined column 20; through the design of the harness limiting mechanism, when the cover plate 23 is clamped on the top of the placement seat 10, the two vertical plates 24 on the cover plate 23 are inserted into the inner cavity 12 through the connecting hole. , thereby squeezing the inclined surface at the end of the inclined column 20, thereby pushing the inclined column 20 to move laterally. While the inclined column 20 moves laterally, the inclined surface at the other end will squeeze and push the cross plate 18, thereby pushing the cross plate 18 to rise vertically. The vertical rise of the cross plate 18 drives the two sliding sleeves 17 to rise synchronously. The sliding sleeve 17 moves laterally on the cross plate 18 under the push of the limiting plate 16. While the sliding sleeve 17 moves laterally, it will push the pushing plate 14 to move laterally through the movable plate 19. The lateral movement of the pushing plate 14 will push the two clamping plates 15 to move in the placement groove 11, thereby clamping the wire harness from both sides. At the same time, the cover plate 23 covers the top of the placement seat 10, thereby clamping and limiting the wire harness from the top, thereby ensuring the stability between the wire harness and the placement seat 10.

[0028] See also Figure 1 The cover plate 23 is provided with a connecting hole matched with the vertical plate 24, a fixing plate 25 is fixed on the side of the connecting hole, and the fixing plate 25 is provided with connecting bolts, and the outer surface of the vertical plate 24 is provided with a plurality of bolt holes matched with the connecting bolts; through the design of the connecting bolts and the bolt holes, the depth of the vertical plate 24 at the upper and lower edges of the cover plate 23 can be adjusted according to the thickness of the wire harness, thereby achieving the purpose of adjusting the vertical plate 24 to push the inclined column 20 to move, so that the clamping plate 15 can be clamped together with wire harnesses of different sizes.

[0029] When in use, the wiring harness is placed inside the placement groove 11, and then, according to the thickness of the wiring harness, the depth of the vertical plate 24 on the upper and lower edges of the cover plate 23 is adjusted, thereby achieving the purpose of adjusting the vertical plate 24 to push the inclined plane column 20 to move. Specifically, the vertical position of the vertical plate 24 on the cover plate 23 is adjusted. After the adjustment is completed, the vertical plate 24 and the fixing plate 25 on the placement seat 10 are fixed together through bolts and bolt holes. After the vertical plate 24 is adjusted, the cover plate 23 is clamped on the top of the placement seat 10, and the two vertical plates 24 on the cover plate 23 are inserted into the inner cavity 12 through the connecting holes, thereby squeezing the inclined surface of the end of the inclined plane column 20, thereby pushing the inclined plane column 20 to move horizontally. When the inclined plane column 20 moves horizontally, the inclined surface of the other end will squeeze and push the cross plate 18, thereby pushing the cross plate 18 to rise vertically. The vertical rise of the cross plate 18 drives the two sliding sleeves 17 Synchronously rise, the sliding sleeve 17 moves laterally on the cross plate 18 under the push of the limit plate 16, and the sliding sleeve 17 will push the pushing plate 14 to move laterally through the movable plate 19 while moving laterally. The lateral movement of the pushing plate 14 will push the two clamping plates 15 to move in the placement groove 11, thereby clamping the wiring harness from both sides. At the same time, the cover plate 23 covers the top of the placement seat 10, thereby clamping and limiting the wiring harness from the top, thereby ensuring the stability between the wiring harness and the placement seat 10. After the clamping is completed, start the motor 4, and the motor 4 drives the two-way screw rod 3 to rotate. The rotation of the two-way screw rod 3 drives the two nut moving seats 5 to move synchronously toward the placement seat 10, thereby making the interface of the test module 7 on the top of the nut moving seat 5 docked with the two ends of the wiring harness, so that the wiring harness can be tested for low voltage conduction, and the resistance value obtained by the test is displayed on the display.

[0030] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A home appliance harness interface test device, characterized in that: The invention comprises a base (1), wherein shaft support seats (2) are provided on both sides of the top of the base (1), a bidirectional screw rod (3) is movably connected between the two shaft support seats (2), one end of the bidirectional screw rod (3) is connected to a motor (4), and the motor (4) is fixed on one of the shaft support seats (2), and the two ends of the bidirectional screw rod (3) are respectively threadedly connected to a nut moving seat (5), and a test module (7) is provided on the top of the nut moving seat (5), a wiring harness seat (8) connected to the test module (7) is fixed on the top of the base (1), and a wiring harness limiting mechanism is fixed on the top of the base (1).

2. The home appliance harness interface test device according to claim 1, characterized in that: The harness limiting mechanism comprises support plates (9) fixed on both sides of the middle of the base (1), a placement seat (10) is fixed between the two support plates (9), a placement groove (11) is provided at the top center of the placement seat (10), an inner cavity (12) is provided inside the placement seat (10), and a movable opening communicating with the placement groove (11) is provided at the top center of the inner cavity (12).

3. The home appliance harness interface test device according to claim 2, characterized in that: Two sliding holes (13) are symmetrically provided inside the inner cavity (12) and below the movable opening. A push plate (14) is slidably connected to the inside of each of the two sliding holes (13). The top end of the push plate (14) passes through the movable opening to the inside of the placement groove (11) and is connected and fixed to the clamping plate (15).

4. The home appliance harness end interface testing device according to claim 3, characterized in that: A limit plate (16) is movably connected to both sides of the inner cavity (12), and a sliding sleeve (17) is movably connected to the other end of the limit plate (16). A cross plate (18) is slidably connected between the two sliding sleeves (17). The cross plate (18) is vertically slidably connected inside the inner cavity (12). The sliding sleeve (17) and the push plate (14) are movably connected via a movable plate (19).

5. The home appliance harness interface test device according to claim 4, characterized in that: The inner bottom of the inner cavity (12) is laterally slidably connected to a bevel column (20), and a bevel is respectively provided at both ends of the bevel column (20). One of the bevels at the end of the bevel column (20) is squeezed together with the cross plate (18). A guide plate (21) is fixed to the outer surface of both sides of the bevel column (20), and the end of the guide plate (21) passes through a guide groove on the inner wall of the inner cavity (12). A return spring (22) matching the guide plate (21) is provided in the guide groove.

6. The home appliance harness interface test device according to claim 5, characterized in that: The harness limiting mechanism further comprises a cover plate (23) located at the top of the placement seat (10), one end of the bottom of the cover plate (23) being connected to two vertical plates (24), the cover plate (23) being snap-fitted to the top of the placement seat (10), the bottom end of the vertical plate (24) penetrating into the interior of the inner cavity (12) and being squeezed together with another inclined surface at the end of the inclined column (20).

7. The home appliance harness interface test device according to claim 6, characterized in that: The cover plate (23) is provided with a connection hole that matches the vertical plate (24), a fixing plate (25) is fixed to the side of the connection hole, the fixing plate (25) is provided with a connection bolt, and the outer surface of the vertical plate (24) is provided with a plurality of bolt holes that match the connection bolts.

8. The home appliance harness interface test device according to claim 7, characterized in that: A connecting hole is provided on the top of the placement seat (10) and penetrates into the inner cavity (12); the bottom end of the vertical plate (24) passes through the connecting hole into the inner cavity (12) and is pressed together with the inclined surface of the end of the inclined column (20).

9. The home appliance harness interface test device according to claim 8, characterized in that: Limiting slide blocks are fixed on both sides of the bottom of the nut moving seat (5), and limiting sliding grooves (6) matching with the limiting slide blocks are respectively provided on both sides of the top of the base (1).

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