Relay testing device

Abstract

The utility model discloses a relay testing device, which relates to the technical field of relay testing devices and comprises a relay tester, a storage box is arranged on one side of the relay tester, a clockwork spring, a rotary buckle and a cable are arranged in the storage box, a fixed seat is mounted on the outer wall of the storage box, a button is in sliding contact with the fixed seat, and the button is connected with the rotary buckle. The button is connected with a spring, the spring is connected with a limiting rod, a limiting block set is fixedly installed on the inner wall of the button, and a sliding block is arranged in the limiting rod. According to the utility model, the cable can be prevented from being wound due to the overlong cable by pulling the cable to a proper length, the cable can be automatically withdrawn through the torsion tension of the clockwork spring, and the one-way limitation of the rotary buckle can be realized when the cable is pulled through the cooperation of the circular array square holes formed in the rotary buckle and the limiting rod, so that the cable can be prevented from being wound due to the overlong cable. And when the cable needs to be taken up, the limiting rod can be separated from the rotary buckle through the button, so that the cable can be taken up smoothly.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay test device technical field, concretely is a relay test device. BACKGROUND

[0002] The relay test device is the equipment specially used for testing, testing and performance evaluation of the relay. The relay plays a key role in many fields such as power system, automation control system, for example, protection circuit, signal conversion and control logic. The relay test device detects whether the action characteristic, time characteristic, contact performance of the relay meet the requirements by simulating the electrical signal input under various actual working conditions.

[0003] In daily production and life, the interface of the common relay test device is many, when the relay test device is operated, many interfaces are often connected with multiple cables, and the complicated and redundant cables are often wound together, which is time-consuming and laborious to tidy up, therefore, the utility model provides a relay test device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a relay test device to solve the problems in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a relay test device, including relay test appearance, one side of relay test appearance is provided with storage box, the inside rotation of storage box is connected with rotating buckle, the inside of storage box is also provided with cable, the cable is divided into two turns and is rotated and wound on rotating buckle, the cable is fixedly connected with clockwork spring, one end of clockwork spring is also fixedly connected with storage box, the outer wall of storage box is fixedly connected with fixed base, the fixed base is slidably contacted with button, the button is fixedly connected with spring, the spring is fixedly connected with limit rod, the inner wall of button is fixedly installed with limit block group, the limit rod is provided with sliding block in the inside.

[0006] Preferably, the side of the rotating buckle is provided with a circular groove, and the rotating buckle and one end of the limit rod are in sliding contact through the circular groove.

[0007] Preferably, the bottom surface of the lower end of the limit rod is an inclined surface.

[0008] Preferably, the outer wall of the button is fixedly installed with a connecting rod, the connecting rod is fixedly connected with a cleaning brush group, and the sidewall of the storage box is fixedly installed with a cleaning seat group.

[0009] Preferably, the outer wall of the storage box is also fixedly installed with a circular rod group, and the circular rod group is in sliding contact with the connecting rod.

[0010] Preferably, the side surfaces of the limiting block group are inclined surfaces, the side surface of the sliding block is also an inclined surface, and the above inclined surfaces have the same slope.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses can pass through the cable of pulling to the suitable length, avoided the situation that the cable is too long and is easy to be wound together, guarantee the neat and order of work site, reduced the operation inconvenience and potential safety hazard that possibly lead to because the cable winding.

[0013] The utility model discloses can automatically rotate and retract the cable through the torsional tension of the spring, which not only saves the time and energy of manually arranging the cable, improves the work efficiency, but also effectively protects the cable, reduces the damage of the cable caused by random placement, and prolongs the service life of the cable.

[0014] The utility model discloses the cooperation of the round array square hole on the rotary buckle and the limiting rod, when pulling the cable, can realize one-way limit rotary buckle, thereby stably keep the length state of the cable after pulling out, ensure that the cable length is appropriate and will not accidentally retract in the working process, provide the stable operation condition for the staff, when needing to take the line, can also make the limiting rod separate from the rotary buckle through the button operation, realize smooth take the line, this design cleverly realizes the flexible control of the cable length.

[0015] The utility model discloses can realize two important functions simultaneously through pressing the button, first, drive the connecting rod to make the cleaning brush fold with the cleaning seat around the cable, clean the sundries attached to the surface of the cable, keep the cleanliness of the cable, be favorable to the normal work and maintenance of the cable, reduce the electrical fault caused by the sundries attachment and other problems, second, make the limiting rod separate from the rotary buckle through the button drive related structure, prepare for the automatic retraction of the cable, embody the integration and convenience of operation, improve the efficiency and fluency of overall operation. DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the local structure schematic diagram of the utility model;

[0018] Figure 3 It is the local half cut structure schematic diagram of the utility model;

[0019] Figure 4 It is the partial half cut structure schematic diagram of the utility model.

[0020] In the figure: 1-relay tester; 2-receiving box; 3-rotary buckle; 4-cable; 5-fuse spring; 6-fixing seat; 7-button; 8-spring; 9-limiting rod; 10-limiting block; 11-sliding block; 12-connecting rod; 13-cleaning brush; 14-round rod; 15-cleaning seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a relay testing device, including relay tester 1, one side of relay tester 1 is provided with receiving box 2, receiving box 2 is by two side shell splicing, the side of receiving box 2 is openwork open structure, can effectively save material, and is favorable to the condition of inside receiving box 2 is observed, the inside rotation of receiving box 2 is connected with rotary buckle 3, the side of rotary buckle 3 is provided with annular groove, annular groove is by several square holes circular array composition, square hole size depth is consistent, the inside of receiving box 2 is also provided with cable 4, and the both ends of cable 4 are respectively from receiving box 2 two export stretch out, and cable 4 is from two end heads and is wound into two circles respectively, and the two circles are evenly rotated and are wound on rotary buckle 3, and cable 4 is fixedly connected with fuse spring 5, and fuse spring 5 is spiral, and one end of the inboard of fuse spring 5 is also fixedly connected with the buckle on the side shell of receiving box 2, and the outer wall of receiving box 2 is fixedly connected with fixing seat 6, and fixing seat 6 is slidably contacted with button 7, and button 7 is fixedly connected with spring 8, and spring 8 is used for limiting the position of button 7, and spring 8 is fixedly connected with limiting rod 9, and spring 8 is also used for the reset of limiting rod 9, and the face of the lower end bottom of limiting rod 9 is inclined plane, due to the limiting of inclined plane, the inclined plane one end of limiting rod 9 can slide in annular array square hole, and the sliding direction is same with the direction of cable 4 being pulled out of receiving box 2, and the inner wall of button 7 is fixedly installed with limiting block 10 group, and the side of the limiting block 10 group far from the inner wall of button 7 is all inclined plane, and the side of sliding block 11 is also inclined plane, and the slope of the inclined plane of limiting block 10 group and the inclined plane of sliding block 11 is same.

[0023] Please refer to Figure 2The outer wall of the button 7 is fixedly provided with a connecting rod 12, the connecting rod 12 is Z-shaped, the two ends of the connecting rod 12 are fixedly connected with cleaning brushes 13 respectively, two cleaning seats 15 are fixedly arranged on the side wall of the storage box 2, the two cleaning seats 15 are arranged correspondingly with the cleaning brushes 13 respectively, and a plurality of round rods 14 are fixedly arranged on the outer wall of the storage box 2, the positions, where the connecting rod 12 and the round rods 14 contact, are provided with small holes respectively, and the round rods 14 further limit the connecting rod 12, so that the displacement or rotation of the connecting rod 12 is prevented.

[0024] Working principle: when the relay tester is used, the staff holds the two ends of the cable 4 with both hands, and then pulls outward, so that the length required to be used is pulled out, so that the cable 4 is prevented from being wound together due to being too long; in the process of being pulled, the cable 4 drives the rotating buckle 3 to rotate, the clockwork spring 5 is pulled to rotate by the cable 4, and the circular array square holes on the rotating buckle 3 sequentially push the inclined surfaces at the lower ends of the limiting rods 9; when the cable 4 is stopped being pulled, the clockwork spring 5 pulled is rotated to generate a rotating pulling force on the cable 4, but the rotating buckle 3 is unidirectionally limited by the limiting rods 9 and cannot rotate, so that the cable 4 is limited and cannot be rotated and retracted.

[0025] When the relay tester is used, press the button 7, the button 7 drives the connecting rod 12 and the limiting block 10 to slide simultaneously, the connecting rod 12 further drives the cleaning brushes 13 to surround the cable 4, the cleaning brushes 13 and the cleaning seats 15 are folded, so that the dirt attached to the surface of the cable 4 is cleaned together, in addition, the inclined surface of the limiting block 10 extrudes the inclined surfaces on the two sides of the sliding block 11, the inclined surface on the upper side of the sliding block 11 extrudes the limiting rod 9 to slide upward, then the inclined surface at the lower end of the limiting rod 9 is separated from the square hole on the rotating buckle 3, and the torsional pulling force of the clockwork spring 5 further drives the cable 4 to rotate and retract.

[0026] It should be noted that, in the present text, relational terms such as first and second and the like can merely be used to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A relay testing device comprising a relay tester (1), characterized in that: The relay tester (1) is provided with a storage box (2), the inside of the storage box (2) is rotatably connected with a rotating buckle (3), the inside of the storage box (2) is also provided with a cable (4), the cable (4) is divided into two turns and is rotatably wound on the rotating buckle (3), the cable (4) is fixedly connected with a clock spring (5), one end of the clock spring (5) is also fixedly connected with the storage box (2), the outer wall of the storage box (2) is fixedly connected with a fixed seat (6), the fixed seat (6) is slidably contacted with a button (7), the button (7) is fixedly connected with a spring (8), the spring (8) is fixedly connected with a limiting rod (9), the inner wall of the button (7) is fixedly installed with a limiting block (10) group, the limiting rod (9) is internally penetrated through a sliding block (11).

2. A relay testing device according to claim 1, characterised in that: The outer wall of the button (7) is fixedly installed with a connecting rod (12), the connecting rod (12) is fixedly connected with a cleaning brush (13) group, the side wall of the storage box (2) is fixedly installed with a cleaning seat (15) group.

3. A relay testing device according to claim 2, characterised in that: The outer wall of the storage box (2) is also fixedly installed with a round rod (14) group, the round rod (14) group is slidably contacted with the connecting rod (12).

4. The relay testing device of claim 1, wherein: The side of the rotating buckle (3) is provided with a circular groove, the rotating buckle (3) is slidably contacted with one end of the limiting rod (9) through the circular groove.

5. The relay testing device of claim 1, wherein: The bottom surface of the lower end of the limiting rod (9) is an inclined surface.

6. The relay testing device of claim 1, wherein: The side of the limiting block (10) group is an inclined surface, the side of the sliding block (11) is also an inclined surface, and the inclination of the above inclined surfaces is the same.

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