Loop resistance tester

Abstract

The utility model discloses a loop resistance tester which comprises a tester body embedded in an inner cavity of a box body. A storage mechanism is arranged in an inner cavity of the box cover, and the storage mechanism is characterized in that one side of a partition plate is rotationally connected to the inner wall of the box cover through a hinge; the storage groove is formed in one surface of the partition plate; the multiple clamping blocks are fixed to the inner wall of the containing groove in a bent rotation route. The bearing grooves are formed in the two sides of one end of the containing groove. The pulling assembly is arranged at one end of the storage groove; and the plurality of limiting assemblies are pulled by the pulling assembly to simultaneously press the outer wall of the end part of the connecting wire in a reciprocating manner. The arrangement mode that the box cover is matched with the containing mechanism is utilized, the wire body of the connecting wire can be clamped and limited conveniently, the multiple limiting assemblies can abut against and limit the outer portion of the connector in the inner cavity of the bearing groove conveniently, scratching and abrasion of the connecting wire to the surface of the tester body are reduced, and the testing efficiency is improved. And the service life of the loop resistance tester is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of loop resistance testers, in particular to a loop resistance tester. Background Art

[0002] The loop resistance tester is a special instrument for measuring the contact resistance and loop resistance of switch control equipment. Application No. 202220128039.1 discloses a loop resistance tester, including a protective box, a box cover and a chassis. The upper rear side of the protective box is hingedly connected to the box cover. A storage structure is provided inside the box cover, and connecting wires are placed in the storage structure. A protective structure is provided inside the protective box, and a fixed chassis is placed in the protective structure.

[0003] Although the above-mentioned loop resistance tester can store the connecting wires, the connecting wires are placed in the inner cavity of the storage slot, and the storage slot is opened on the protective cushion layer, and the protective cushion layer is filled in the inner cavity of the box cover. When the box cover is covered on the top of the protective box, the connecting wires are not limited in the inner cavity of the storage slot, which causes the connecting wires to easily break away from the protective cushion layer, and the connectors on the connecting wires are easy to fall off the upper surface of the main body of the loop resistance tester. The hard connecting wire connectors rub against the upper surface of the instrument body, causing scratches and wear on the surface of the instrument body, causing damage to the surface of the loop resistance tester, affecting the service life of the loop resistance tester. Utility Model Content

[0004] The purpose of the utility model is to provide a loop resistance tester to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a loop resistance tester, comprising: a box, the inner cavity of which is embedded with a tester body, and the top and back of the box are rotatably connected with a box cover through a hinge;

[0006] The inner cavity of the box cover is provided with a storage mechanism, and the storage mechanism comprises:

[0007] A partition, one side of which is rotatably connected to the inner wall of the box cover through a hinge;

[0008] A storage groove, the storage groove is opened on a surface of the partition;

[0009] A plurality of card blocks, wherein the plurality of card blocks are fixed to the inner wall of the receiving groove in a curved rotation route;

[0010] A plurality of bearing slots, wherein the plurality of bearing slots are disposed on both sides of one end of the receiving slot;

[0011] A pulling assembly, wherein the pulling assembly is disposed at one end of the receiving slot;

[0012] A plurality of limit assemblies are provided, and the plurality of limit assemblies are pulled by the pulling assembly to simultaneously press back and forth against the outer wall of the end of the connecting wire.

[0013] Preferably, the pulling assembly comprises:

[0014] A slide groove, the slide groove is opened at one end of the receiving groove;

[0015] A slider that slides back and forth with the inner cavity of the slide groove;

[0016] A pull block, wherein the pull block is fixed to one end of the slider, and the limit assembly is arranged in the middle of the pull block;

[0017] A tension spring and a sliding rod, wherein the tension spring is sleeved on the outer wall of the sliding rod, and the tension spring is arranged on one end of the sliding block and the sliding groove.

[0018] Preferably, one end of the tension spring is fixedly connected to one side of the pull block, and the other end of the tension spring is fixedly connected to one end of the inner wall of the slide groove.

[0019] Preferably, both ends of the slide rod are fixedly connected to both ends of the inner wall of the slide groove, and the slider is slidably and interlacedly connected to the middle part of the slide rod.

[0020] Preferably, the limiting component comprises:

[0021] A plurality of push rods, one end of each of which is rotatably and interlacedly connected with one end of the same pull block in two opposite directions;

[0022] A plurality of limit rods are rotated in two opposite directions at the middle of one end of the receiving slot;

[0023] The limiting nail is rotatably inserted into one end of the limiting rod, and the bottom end of the limiting nail is fixedly inserted and connected with one end of the inner wall of the storage groove.

[0024] Preferably, the other end of the push rod is rotatably connected to one end of the limiting rod through a pin, and the other end of the limiting rod reciprocates at a certain angle on the top of the inner cavity of the bearing groove.

[0025] Technical effects and advantages of the utility model:

[0026] The utility model utilizes the arrangement mode of matching the box cover and the storage mechanism, and through the clamping block in the storage groove, it is convenient to clamp and limit the wire body of the connecting wire, and the bearing groove can position the connector at the end of the connecting wire. By pulling the component, it is convenient for multiple limiting components to resist and limit the outside of the connector in the inner cavity of the bearing groove, which is convenient to improve the stability of the position of the connecting wire on the box cover, reduce the scratches and wear of the connecting wire on the surface of the tester body, and increase the service life of the loop resistance tester. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the overall side sectional structure of the utility model.

[0029] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model at the partition.

[0030] In the figure: 1. box body; 2. tester body; 3. box cover; 4. storage mechanism; 41. partition; 42. storage slot; 43. block; 44. bearing slot; 45. pulling assembly; 451. slide slot; 452. slider; 453. pulling block; 454. tension spring; 455. slide rod; 46. limiting assembly; 461. push rod; 462. limiting rod; 463. limiting nail. DETAILED DESCRIPTION

[0031] 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.

[0032] The utility model provides Figure 1-3 A loop resistance tester is shown, comprising:

[0033] A box body 1, an inner cavity of the box body 1 is embedded with a tester body 2, the tester body 2 can perform loop resistance testing, the top and back of the box body 1 are rotatably connected with a box cover 3 through hinges, so that the box cover 3 can protect the tester body 2 in the inner cavity of the box body 1, and a lock is provided between the box cover 3 and the box body 1, so that the connection between the box cover 3 and the box body 1 is stable, so that the inner cavity of the box body 1 can be stably closed;

[0034] Further, the inner cavity of the box cover 3 is provided with a storage mechanism 4, which includes: a partition 41, a storage groove 42, a plurality of card blocks 43, a plurality of bearing grooves 44, a pulling assembly 45 and a plurality of limit assemblies 46. One side of the partition 41 is rotatably connected to the inner wall of the box cover 3 through a hinge, so that the partition 41 can be rotated in the inner cavity of the box cover 3. The storage groove 42 is provided on one surface of the partition 41, and the connecting wire is stored in the inner cavity of the storage groove 42. When the partition 41 is rotated and stored in the inner cavity of the box cover 3, the storage groove 42 is a side of the inner wall of the partition 41 close to the box cover 3;

[0035] Specifically, the plurality of clamping blocks 43 are fixed to the inner wall of the receiving groove 42 in a curved rotation route, so that the connecting wire can be clamped in the inner cavity of the clamping block 43 in a curved route to prevent the connecting wire from moving arbitrarily in the inner cavity of the receiving groove 42. The plurality of bearing grooves 44 are two bearing grooves 44, and the two bearing grooves 44 are arranged on both sides of one end of the receiving groove 42. The pulling component 45 is arranged at one end of the receiving groove 42. The plurality of limiting components 46 are two limiting components 46, and the two limiting components 46 are pulled by the pulling component 45 to reciprocate and press the outer wall of the end of the connecting wire at the same time, so that the pulling component 45 can synchronously push the two limiting components 46 at the same time.

[0036] Specifically, the pulling assembly 45 includes: a slide groove 451, a slider 452, a pull block 453, a tension spring 454 and a slide rod 455. The slide groove 451 is opened at one end of the storage groove 42, the slider 452 and the inner cavity of the slide groove 451 slide back and forth, the pull block 453 is a T-shaped structure, and the bottom of the pull block 453 is a cylindrical structure. The pull block 453 is fixed to one end of the slider 452, the limit assembly 46 is arranged in the middle of the pull block 453, and the tension spring 454 is sleeved on the The outer wall of the slide bar 455, the tension spring 454 is arranged at one end of the slider 452 and the slide slot 451, one end of the tension spring 454 is fixedly connected to one side of the pull block 453, the other end of the tension spring 454 is fixedly connected to one end of the inner wall of the slide slot 451, both ends of the slide bar 455 are fixedly connected to both ends of the inner wall of the slide slot 451, the slider 452 is slidably interlaced with the middle part of the slide bar 455, and the slider 452 is elastically pulled by the elasticity of the tension spring 454;

[0037] Specifically, the limiting assembly 46 includes: a push rod 461, a limiting rod 462 and a limiting nail 463, one end of the two push rods 461 is rotatably connected with one end of the same pull block 453 in two opposite directions, the two limiting rods 462 are rotated in two opposite directions at the middle of one end of the storage groove 42, the other end of the push rod 461 is rotatably connected with one end of the limiting rod 462 through a pin, the other end of the limiting rod 462 is reciprocated at a certain angle at the top of the inner cavity of the bearing groove 44, the limiting nail 463 is rotatably inserted into one end of the limiting rod 462, and the bottom end of the limiting nail 463 is connected to the inner wall of the storage groove 42 One end is fixedly connected and inserted, and the sliding of the pull block 453 allows the two push rods 461 to be pushed and pulled at the same time. The rotation of one end of the limit rod 462 is limited by the limit nail 463, so that the two limit rods 462 can be rotated above the inner cavity of the two bearing grooves 44 respectively, so that the connector on the connecting wire received in the inner cavity of the bearing groove 44 can be clamped, so that the connector can be pressed against the inner cavity of the bearing groove 44, thereby improving the stability of the position of the connector at the end of the connecting wire, reducing the scratches on the surface of the tester body 2 by the connecting wire and the end connector, and improving the stability of the loop resistance tester.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A loop resistance tester, comprising: A box body (1), wherein a tester body (2) is embedded in the inner cavity of the box body (1), and a box cover (3) is rotatably connected to the top and back of the box body (1) via hinges; The invention is characterized in that: the inner cavity of the box cover (3) is provided with a storage mechanism (4), and the storage mechanism (4) comprises: A partition (41), one side of which is rotatably connected to the inner wall of the box cover (3) via a hinge; A receiving groove (42), wherein the receiving groove (42) is provided on a surface of the partition plate (41); A plurality of card blocks (43), wherein the plurality of card blocks (43) are fixed to the inner wall of the storage groove (42) in a curved rotation route; A plurality of bearing grooves (44), wherein the plurality of bearing grooves (44) are disposed on two sides of one end of the receiving groove (42); A pulling assembly (45), wherein the pulling assembly (45) is disposed at one end of the receiving groove (42); A plurality of limit assemblies (46), wherein the plurality of limit assemblies (46) are pulled by the pulling assembly (45) to simultaneously press back and forth against the outer wall of the end of the connecting wire.

2. A loop resistance tester according to claim 1, characterized in that: The pulling assembly (45) comprises: A slide groove (451), wherein the slide groove (451) is opened at one end of the receiving groove (42); A slider (452), wherein the slider (452) slides back and forth with the inner cavity of the slide groove (451); A pulling block (453), wherein the pulling block (453) is fixed to one end of the sliding block (452), and the limiting component (46) is arranged in the middle of the pulling block (453); A tension spring (454) and a slide bar (455), wherein the tension spring (454) is sleeved on the outer wall of the slide bar (455), and the tension spring (454) is arranged on one end of the slider (452) and the slide groove (451).

3. A loop resistance tester according to claim 2, characterized in that: One end of the tension spring (454) is fixedly connected to one side of the pull block (453), and the other end of the tension spring (454) is fixedly connected to one end of the inner wall of the slide groove (451).

4. A loop resistance tester according to claim 2, characterized in that: Both ends of the slide bar (455) are fixedly connected to the two ends of the inner wall of the slide groove (451), and the slider (452) is slidably and interlacedly connected to the middle part of the slide bar (455).

5. A loop resistance tester according to claim 2, characterized in that: The limiting component (46) comprises: A push rod (461), one end of a plurality of push rods (461) being rotatably interlaced and connected with one end of the same pull block (453) in two opposite directions; Limit rods (462), a plurality of the limit rods (462) rotate in two opposite directions at the middle of one end of the receiving groove (42); A limiting pin (463), wherein the limiting pin (463) is rotatably inserted into one end of the limiting rod (462), and the bottom end of the limiting pin (463) is fixedly inserted into and connected with one end of the inner wall of the receiving groove (42).

6. A loop resistance tester according to claim 5, characterized in that: The other end of the push rod (461) is rotatably connected to one end of the limiting rod (462) via a pin, and the other end of the limiting rod (462) reciprocates at a certain angle on the top of the inner cavity of the bearing groove (44).

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