Elastic clamping device capable of adjusting tension of wire harness

Abstract

The utility model relates to the technical field of wire harness production, in particular to an elastic clamping device capable of adjusting tension of a wire harness, which comprises a testing long seat, the whole testing long seat is U-shaped, an opening of the testing long seat is upward, primary stretching seats capable of reciprocating are mounted on two sides in the testing long seat, and the two primary stretching seats are Z-shaped. Compared with the prior art, the device has the advantages that the two sides of the top surface of the testing long seat are provided with the first-stage stretching seats capable of reciprocating, the two first-stage stretching seats are provided with the second-stage stretching seats capable of reciprocating, the two sides above the two second-stage stretching seats are provided with the clamping plates, and the springs are arranged between the two second-stage stretching seats. A wire harness is placed between the two sets of clamping plates to be clamped, the two first-stage stretching bases are moved to stretch the wire harness, the elasticity of the wire harness is judged by checking scales on the long testing base, the second-stage stretching base conducts elastic stretching on the wire harness, the situation that stretching of the wire harness exceeds the fatigue degree of materials is avoided, and the wire harness is prevented from being suddenly broken.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wiring harness production, especially adjustable elastic clamping device of wiring harness tension. BACKGROUND

[0002] With the universal application of electronic control technology, more and more electrical components, and more and more wires, the number of circuits and power consumption on the electrical appliances significantly increase, and the wiring harness becomes thicker and heavier. This is a big problem that needs to be solved. How to arrange a large number of wiring harnesses more effectively and reasonably in limited electrical appliance space and make the wiring harness play a greater function has become a problem faced by the electrical appliance manufacturing industry.

[0003] With the continuous improvement of people's requirements for comfort, economy and safety, the types of electronic products in electrical appliances are also increasing, and the wiring harness is becoming more and more complex, and the failure rate of the wiring harness is also increasing accordingly. Therefore, during the production of the wiring harness, the wiring harness needs to be tested for stretching.

[0004] However, the existing automobile wiring harness stretching test device is relatively simple, most of the test devices are fixed at one end of the wiring harness, and the other end is hung with different sizes of weights or heavy objects for stretching test. The variable of the stretching test is single, the stretching of the wiring harness during the test tension does not have elastic tension, the wiring harness is prone to rigid fracture, and based on this, the application provides an elastic clamping device for adjusting the tension of the wiring harness, which can solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcomings of prior art, and provides an elastic clamping device for adjusting the tension of the wiring harness.

[0006] The utility model discloses a kind of elastic clamping devices for adjusting the tension of the wiring harness, including test long seat, its overall is U-shaped, opening is upwards, two sides in the test long seat are all installed with reciprocating movable first stretching seat, two the first stretching seat is all Z-shaped, its upper is slidably installed with second stretching seat, two the second stretching seat and first stretching seat between are all installed with spring in stretching state, two the second stretching seat upper two sides are all installed with reciprocating movable clamping plate, the lower of test long seat is installed with multiple evenly arrayed suction disc, the two sides of the outer surface of test long seat are all provided with scale groove.

[0007] Optionally, two sides in the test long seat are all rotationally installed with screw rod, it is respectively penetrated two first stretching seats, and two are threadedly cooperated, and the outer end of two the screw rod is all installed with hand wheel.

[0008] Optionally, two sides of the outer surface of the two primary stretching seats are provided with sliding grooves, the two secondary stretching seats are both in H shape, and the two parts at the lower part of the secondary stretching seats are slidingly installed in the sliding grooves.

[0009] Optionally, a plurality of ball grooves are formed at the lower part of the two primary stretching seats, and a plurality of rolling balls are rotatably installed in the ball grooves and roll along the top surface of the test long seat.

[0010] Optionally, the outer surface of the two primary stretching seats and the secondary stretching seats is outwardly convex at the two sides of the lower part.

[0011] The utility model has the following advantages:

[0012] The adjustable elastic clamping device for wire harness tension is provided with the test long seat as the device main body, the primary stretching seats capable of reciprocating are installed at the two sides of the top surface of the test long seat, the secondary stretching seats capable of reciprocating are installed on the two primary stretching seats, the clamps are installed at the two sides of the upper part of the two secondary stretching seats, the springs are installed between the two primary stretching seats, the wire harness is placed between the two clamps during use, the wire harness is first stretched by moving the two primary stretching seats, the elasticity of the wire harness is judged by checking the scale on the test long seat, the wire harness is elastically stretched by the secondary stretching seats, the wire harness is prevented from being stretched beyond the material fatigue degree and suddenly broken.

[0013] The rolling balls are installed below the primary stretching seats and can roll along the test long seat, so that the friction between the primary stretching seat and the test long seat is reduced.

[0014] A plurality of suction cups are installed below the test long seat, the whole device can be fixed on the table or other positions by the suction cups, and the operator can operate conveniently. DETAILED DESCRIPTION

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the internal structure schematic view of the utility model; Figure 1

[0017] Figure 3 It is the overall structure schematic view of the test long seat in the utility model;

[0018] Figure 4 It is the first visual angle structure schematic view of the combination state of the primary stretching seat and the secondary stretching seat in the utility model; ​

[0019] Figure 5 This is a second-view structural diagram of the combined state of the primary tension seat and the secondary tension seat in this utility model.

[0020] Figure 6 This is a schematic diagram of the overall structure of the clamping plate and the lead screw in this utility model.

[0021] In the diagram: 1-Test long seat, 2-First-level tension seat, 3-Second-level tension seat, 4-Clamping plate, 5-Spring, 6-Suction cup, 7-Screw, 8-Handwheel, 9-Ball, 10-Scale groove, 11-Sliding groove, 12-Indicator, 13-Ball groove, 14-Lead screw, 15-Rotating wheel, 16-Anti-slip groove. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0023] like Figures 1 to 6 As shown, the adjustable wire harness tension elastic clamping device includes a test long seat 1, which is U-shaped with the opening facing upward. Two reciprocating primary tension seats 2 are installed on both sides inside the test long seat 1. Both primary tension seats 2 are Z-shaped, and secondary tension seats 3 are slidably installed on top of each of them. Springs 5 ​​in a tensioned state are installed between the two secondary tension seats 3 and the primary tension seats 2. Two reciprocating clamping plates 4 are installed on both sides above the two secondary tension seats 3. Multiple uniformly arrayed suction cups 6 are installed below the test long seat 1. Scale grooves 10 are opened on both sides of the outer surface of the test long seat 1.

[0024] As an optional technical solution of this utility model, screws 7 are rotatably installed on both sides inside the test long seat 1, which respectively penetrate two first-stage tension seats 2 and are threaded together. Handwheels 8 are installed on the outer ends of the two screws 7. During use, the handwheels 8 facilitate the operator to rotate the screws 7. When multiple screws 7 are installed, bearings and other mechanical parts need to be installed at the rotation position to ensure that they meet the requirements of the mechanical mechanism.

[0025] As an optional technical scheme of the utility model, two sliding grooves 11 are arranged on both sides of the outer surface of the two primary stretching seats 2, the two secondary stretching seats 3 are both H-shaped, and the two parts at the lower part of the secondary stretching seats 3 are slidingly installed in the sliding grooves 11; a screw rod 14 is rotatably installed on one side of the outer part of each clamping plate 4, and the screw rod 14 is screwed with the two parts at the upper part of the secondary stretching seats 3; a rotating wheel 15 is installed at the outer end of each screw rod 14; an anti-skid groove 16 is arranged on the other side of the outer surface of each clamping plate 4; and the two parts at the lower part of the secondary stretching seats 3 are limited after being matched with the sliding grooves 11, so that the secondary stretching seats 3 are prevented from shaking, and meanwhile, one side of the clamping plate 4 needs to be attached to the secondary stretching seat 3 to limit the secondary stretching seat 3, so that the clamping plate 4 can only reciprocate.

[0026] As an optional technical scheme of the utility model, a plurality of ball grooves 13 are arranged on both sides of the lower part of the two primary stretching seats 2, and a ball 9 is rotatably installed in each ball groove 13, and the ball 9 rolls along the top surface of the test long seat 1; the ball 9 is matched with the test long seat 1, so that the primary stretching seat 2 is limited, the primary stretching seat 2 is prevented from shaking, and the primary stretching seat 2 can only reciprocate, and the friction between the primary stretching seat 2 and the test long seat 1 is reduced.

[0027] As an optional technical scheme of the utility model, an index 12 is formed on both sides of the outer surface of the lower part of the two primary stretching seats 2 and the secondary stretching seats 3, and the index 12 can be used to accurately point to the scale groove 10 to read the stretching degree of the wiring harness by the primary stretching seat 2.

[0028] In summary, the characteristics of the components, the assembly mode, the use process and the functions achieved in the utility model are as follows: the test long seat 1 is used as the device main body, the primary stretching seat 2 capable of reciprocating is installed on both sides of the top surface of the test long seat 1, the secondary stretching seat 3 capable of reciprocating is installed on the two primary stretching seats 2, the clamping plate 4 is installed on both sides of the upper part of the two secondary stretching seats 3, and the spring 5 is installed between the two primary stretching seats 2; in use, the wiring harness is placed between the two clamping plates 4 to be clamped, the two primary stretching seats 2 are first moved to stretch the wiring harness, the scale on the test long seat 1 is checked to determine the elasticity of the wiring harness, the secondary stretching seat 3 is used to elastically stretch the wiring harness to prevent the wiring harness from being stretched beyond the material fatigue degree and suddenly broken, the ball 9 is installed below the primary stretching seat 2, the ball 9 can roll along the test long seat 1 to reduce the friction between the primary stretching seat 2 and the test long seat 1, and the plurality of suction cups 6 are installed below the test long seat 1 to fix the whole device on the desktop or other positions by the suction cups 6, so that the staff can operate conveniently.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An elastic clamping device for adjustable wire harness tension, characterized by: The utility model provides a test long seat (1) is opened upwards to the whole U type, both sides in the test long seat (1) are installed with the reciprocating movable first stage stretch seat (2), two first stage stretch seats (2) are all Z shape, are slidably installed with second stage stretch seat (3) above, two second stage stretch seats (3) are installed with spring (5) between first stage stretch seat (2) and are in the stretch state, both sides above two second stage stretch seats (3) are installed with the reciprocating movable clamping plate (4), the lower portion of test long seat (1) is installed with multiple even arrayed sucking disc (6), both sides of the outer surface of test long seat (1) are equipped with scale groove (10).

2. The elastic clamping device of adjustable wire harness tension according to claim 1, characterized in that: Both sides in the test long seat (1) are rotatably installed with screw rod (7), are respectively penetrated two first stage stretch seats (2), and two are screw thread cooperation, and the outer end of two screw rod (7) is installed with hand wheel (8).

3. The elastic clamping device of adjustable wire harness tension according to claim 1, characterized in that: Both sides of the outer surface in two first stage stretch seats (2) are equipped with sliding groove (11), and the whole of two second stage stretch seats (3) is H type, and the lower portion of two parts is slidably installed in sliding groove (11), and one side of multiple clamping plate (4) outside is rotatably installed with screw rod (14), is respectively with two second stage stretch seat (3) above two parts screw thread cooperation, and the outer end of two screw rod (14) is installed with rotating wheel (15), and the other side of the outer surface of two clamping plate (4) is equipped with antiskid groove (16).

4. The elastic clamping device of adjustable wire harness tension according to claim 1, characterized in that: Both sides below two first stage stretch seats (2) are equipped with multiple ball grooves (13), and the inside of multiple ball grooves (13) is rotatably installed with ball (9), and all along the top surface of test long seat (1) rolling.

5. The elastic clamping device of adjustable wire harness tension according to claim 1, characterized in that: Both sides below the outer surface of two first stage stretch seats (2) and second stage stretch seat (3) are formed with index (12) outward. Both sides below the outer surface of two first stage stretch seats (2) and second stage stretch seat (3) are formed with index (12) outward.

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