CN219016441U

CN219016441U - Hand-held loop resistance tester

Info

Publication number: CN219016441U
Application number: CN202223016641.5U
Authority: CN
Inventors: 汤德宝; 杨庆华; 徐进东; 陈挺; 鞠玲; 陈利; 陆子渊; 王肖; 陆飞; 马泰; 纪宇; 杨阳; 崔海磊; 杨珺东
Original assignee: Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Taizhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-05-12
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a handheld loop resistance tester, which relates to the technical field of resistance testers, and comprises a resistance tester, wherein a binding post is arranged at the side end of the resistance tester, a connecting wire is fixedly connected to the lower end of the binding post and is connected with the inside of the resistance tester through the connecting wire, locking groove parts are fixedly arranged at the two sides of the resistance tester, the binding post is elastically clamped in the locking groove parts, a detachable fixing part is sleeved at the inner end of the upper side of the binding post, the binding post is connected with the detachable fixing part in a rotary separation mode, a clamping part is fixedly sleeved at the upper end of the detachable fixing part through a locking piece, the directions of locking threads arranged at the two ends of the locking piece are reversely arranged, and a voltage test wire clamping ring which is arranged in a mirror image mode of the clamping part is enabled to move relatively in a clamping part positioning sliding groove of the detachable fixing part through twisting the locking piece, so that the distance between two voltage test wire clamping rings of the clamping part is adjusted, and the clamping part can clamp detected objects with different specifications.

Description

Hand-held loop resistance tester

Technical Field

The utility model relates to the technical field of resistance testers, in particular to a handheld loop resistance tester.

Background

The loop resistance tester is a special instrument for controlling the contact resistance of equipment by a switch, the loop resistance is tested by adopting 100A direct current recommended by the national standard GB763, the loop resistance or the contact resistance can be directly measured under the condition of 100A,200A,300A,400A,500A or 600A current, and the loop resistance or the contact resistance can be directly displayed and can be stored on the instrument.

CN211741420U discloses a hand-held loop resistance tester, all test devices are integrated into a whole, one side of tester body is provided with the handle, and the setting of handle has made things convenient for tester's taking and putting, more conveniently carries, and is extremely convenient moreover when the test, improves efficiency of software testing.

Currently, a voltage test wire clamping ring used by the existing handheld loop resistance tester is fixed, has single specification and relatively limited suitability, and cannot be applied to various detection objects with different specifications;

and the tester can hang about the tester when not using, for the position of voltage test line grip ring is not fixed, receives the exogenic action, and voltage test line can be pulled in the swing of voltage test line grip ring, can make the test line produce the damage even fracture for a long time, consequently, need in the art skilled in the design of a novel return circuit resistance tester.

Disclosure of Invention

The utility model aims to solve the problems that the voltage test wire clamping rings of the clamping part, which are arranged in a mirror image manner, relatively move in the clamping part positioning sliding groove of the detachable fixing part by twisting the locking part, so that the distance between the two voltage test wire clamping rings of the clamping part is adjusted, and the clamping part can clamp detection objects with different specifications, thereby solving the problems that the voltage test wire clamping rings used in the conventional handheld loop resistance tester are fixed, have single specification and limited suitability, and cannot be suitable for detection objects with different specifications.

In order to solve the problems, the utility model provides a handheld loop resistance tester, which comprises a resistance tester, wherein a binding post is arranged at the side end of the resistance tester, a connecting wire is fixedly connected to the lower end of the binding post and is connected with the inside of the resistance tester through the connecting wire, locking groove parts are fixedly arranged on two sides of the resistance tester, the binding post is elastically clamped in the locking groove parts, a detachable fixing part is sleeved at the inner end of the upper side of the binding post, the binding post is connected with the detachable fixing part in a rotary separation mode, a clamping part is fixedly sleeved at the upper end of the detachable fixing part through a locking piece, and the directions of locking threads arranged at two ends of the locking piece are reversely arranged.

Preferably, the latch groove part comprises a latch seat and a latch groove which is arranged at the inner end of the latch seat and extends to one side, and the latch seat is of a U-shaped structure.

Preferably, the binding post is elastically clamped in the locking groove, and the diameter of the binding post is larger than that of the locking groove.

Preferably, the locking groove part is formed by injection molding polyurethane rubber into an integral molding structure.

Preferably, the detachable fixing part comprises a detachable threaded column end and a fixing block end fixedly arranged at the upper end of the detachable threaded column end, the detachable threaded column end is connected with a threaded groove formed in the inner end of the upper side of the binding post in a rotary separation mode, and clamping part positioning sliding grooves are formed in two sides of the upper end of the fixing block end.

Preferably, the clamping part comprises a group of voltage test wire clamping rings which are arranged in a mirror image mode, one end of each voltage test wire clamping ring is provided with a voltage test wire and is connected with the binding post through the voltage test wire clamping ring, a limiting slide block is fixedly arranged at the lower end of each voltage test wire clamping ring, the limiting slide block is arranged in a positioning sliding groove of the clamping part, a threaded hole is formed in the center of each limiting slide block, the ends of the fixing blocks are uniformly and centrally perforated, the locking pieces sequentially penetrate through the threaded holes and the central holes, the threaded holes of the voltage test wire clamping rings which are arranged in the mirror image mode are respectively screwed on the locking threads which are reversely arranged in the directions of the two ends of the locking pieces, and the voltage test wire clamping rings which are arranged in the mirror image mode move relatively in the positioning sliding grooves of the clamping parts through twisting the locking pieces.

Preferably, the locking member is a retention bolt.

Preferably, a display screen is arranged at the upper end of one side of the resistance tester, a control button is arranged at the lower end of one side of the resistance tester, an LED lamp is arranged in the middle of the upper end of the resistance tester, and the LED lamp can illuminate a to-be-measured point to assist workers in measuring.

Preferably, the middle part of the lower end of the resistance tester is fixedly connected with a threaded rod, the threaded rod is in threaded connection with the inside of the handle, the lower end of the handle is fixedly connected with a base, and the handle and the resistance tester are fixed together through the threaded rod, so that a worker can conveniently hold the tester.

Preferably, the inside sliding connection in resistance tester one side has a plurality of inserted posts, and inserted post and resistance tester interference fit, the one end fixedly connected with back lid that the resistance tester was kept away from to the inserted post, the resistance tester is inside to be provided with the battery, and the battery can be for the device power supply.

Preferably, the resistance tester is internally provided with a blue-night transmission module.

By adopting the structure, the beneficial effects of the structure are that:

according to the utility model, the clamping part is fixedly sleeved at the upper end of the detachable fixing part through the locking part, the directions of locking threads at the two ends of the locking part are reversely arranged, and the voltage test wire clamping rings of the clamping part which are arranged in a mirror image manner are relatively moved in the clamping part positioning sliding groove of the detachable fixing part by twisting the locking part, so that the distance between the two voltage test wire clamping rings of the clamping part is adjusted, and therefore, the detection objects with different specifications can be clamped by the adjusting clamping part, and the adaptability is wider.

According to the resistance tester, the locking groove parts are fixedly arranged on two sides of the resistance tester, the binding posts are elastically clamped in the locking groove parts, the inner ends of the upper sides of the binding posts are sleeved with the detachable fixing parts, the upper ends of the detachable fixing parts are fixedly sleeved with the clamping parts through the locking pieces, the binding posts are connected with the detachable fixing parts in a rotary separation mode, the connection fixation of the binding posts and the detachable fixing parts can be effectively ensured, meanwhile, the detachable fixing parts are convenient to install and detach for maintenance, and when the resistance tester is not in use, the binding posts are elastically clamped in the locking groove parts, so that the positions of the binding posts and the clamping parts of the detachable fixing parts at the upper ends of the binding posts are fixed, the voltage testing wire cannot be pulled by swinging of the clamping rings under the action of external force, and the integral operation of the resistance tester is ensured.

Drawings

FIG. 1 is a schematic diagram of a hand-held loop resistance tester according to the present utility model.

Fig. 2 is an assembly view of the binding post and the detachable fixing portion and the clamping portion.

FIG. 3 is an assembly view of the resistance tester with the rear cover installed.

FIG. 4 is an assembly diagram of a hand-held loop resistance tester and a base of the present utility model.

In the figure: 1-resistance tester, 2-terminal, 21-thread groove, 3-connecting wire, 4-latch groove part, 41-latch seat, 42-latch groove, 5-detachable fixing part, 51-detachable thread post end, 52-fixing block end, 53-clamping part positioning chute, 6-clamping part, 61-voltage test wire clamping ring, 62-limit slide block, 63-threaded hole, 7-locking piece, 71-locking thread, 8-display screen, 9-control button, 10-LED lamp, 11-handle, 12-base, 13-plug post, 14-storage battery, 15-back cover.

Detailed Description

The utility model is further illustrated by the following figures and examples.

As shown in fig. 1-4, the utility model provides a handheld loop resistance tester, which comprises a resistance tester 1, wherein a binding post 2 is arranged at the side end of the resistance tester 1, a connecting wire 3 is fixedly connected to the lower end of the binding post 2 and is internally connected with the resistance tester 1 through the connecting wire, lock catch groove parts 4 are fixedly arranged at two sides of the resistance tester 1, the binding post 2 is elastically clamped in the lock catch groove parts 4, a detachable fixing part 5 is sleeved at the inner end of the upper side of the binding post 2, the binding post 2 is rotationally separated from the detachable fixing part 5, a clamping part 6 is fixedly sleeved at the upper end of the detachable fixing part 5 through a locking piece 7, the connection fixity of the binding post 2 and the detachable fixing part 5 can be effectively ensured, meanwhile, the detachable fixing part 5 is convenient to install and detach for maintenance, and when the handheld loop resistance tester is not used, the positions of the clamping parts 6 of the binding post 2 and the upper end of the binding post are fixed through the detachable fixing part 2 which are elastically clamped in the lock catch groove parts 4, so that a voltage test wire clamping ring can not generate a swinging wire can not generate an external force, the clamping ring can not generate a voltage, the clamping device can be widely move in the opposite directions of the clamping part 6 through the clamping piece 7, and the clamping piece is arranged in the clamping part is adjusted, and the clamping part is widely in the direction of the clamping part is adjusted, and the clamping part is provided with the clamping piece is positioned, and the clamping part is positioned, and the clamping device is widely has a clamping device is provided with a clamping device, and is used in the clamping device.

The latch groove part 4 comprises a latch seat 41 and a latch groove 42 which is arranged at the inner end of the latch seat and extends to one side, the latch seat 41 is of a U-shaped structure, the binding post 2 is elastically clamped in the latch groove 42, the diameter of the binding post 2 is larger than that of the latch groove 42, and the latch groove part 4 is of an integral structure by polyurethane rubber injection molding.

The detachable fixing part 5 comprises a detachable threaded column end 51 and a fixing block end 52 fixedly arranged at the upper end of the detachable threaded column end, the detachable threaded column end 51 is in rotary separation type connection with a threaded groove 21 formed in the inner end of the upper side of the binding post 2, and clamping part positioning sliding grooves 53 are formed in two sides of the upper end of the fixing block end 52.

The clamping part 6 comprises a group of voltage test wire clamping rings 61 which are arranged in a mirror image mode, one end of each voltage test wire clamping ring 61 is provided with a voltage test wire and is connected with the binding post 2 through the voltage test wire clamping ring, the lower end of each voltage test wire clamping ring 61 is fixedly provided with a limiting sliding block 62, the limiting sliding blocks 62 are arranged in the clamping part positioning sliding grooves 53, the centers of the limiting sliding blocks 62 are provided with threaded holes 63, the fixing block ends 52 are provided with center holes, the locking pieces 7 sequentially penetrate through the threaded holes 63 and the center holes, the threaded holes 63 of the voltage test wire clamping rings 61 which are arranged in the mirror image mode are respectively screwed on locking threads 71 which are arranged in the opposite directions at the two ends of the locking pieces 7, the voltage test wire clamping rings 61 which are arranged in the mirror image mode move relatively in the clamping part positioning sliding grooves 53 through twisting the locking pieces 7, the locking pieces 7 are limiting bolts, and when the locking pieces 7 are rotated clockwise, the two voltage test wire clamping rings 61 which are screwed on the locking pieces 7 are mutually far away, and when the locking pieces 7 are rotated anticlockwise, the two voltage test wire clamping rings 61 which are screwed on the locking pieces 7 are mutually close to each other.

The upper end of one side of the resistance tester 1 is provided with the display screen 8, the lower end of one side of the resistance tester 1 is provided with the control button 9, the middle part of the upper end of the resistance tester 1 is provided with the LED lamp 10, the LED lamp can illuminate the point to be measured, the auxiliary worker measures, the middle part of the lower end of the resistance tester 1 is fixedly connected with the threaded rod, the threaded rod is in threaded connection with the inside of the grip 11, the lower end of the grip 11 is fixedly connected with the base 12, the grip and the resistance tester are fixed together through the threaded rod, the worker can conveniently hold the tester, the resistance tester 1 is started through the control button 9, thereby measuring, the test result is displayed on the display screen 8, the LED lamp 10 can also be turned on through the control button 9, the object to be measured can be illuminated, the worker can conveniently measure, the threaded rod at the lower end of the resistance tester 1 can also be twisted into the grip 11, the grip 11 and the resistance tester 1 are fixed together, and the worker can hold the tester.

The inside sliding connection in resistance tester 1 one side has a plurality of inserted columns 13, and inserted column 13 and resistance tester 1 interference fit, the one end fixedly connected with back shroud 15 that resistance tester 1 was kept away from to inserted column 13, resistance tester 1 is inside to be provided with battery 14, and the battery can be for the device power supply, resistance tester 1 embeds has blue night transmission module, through bluetooth module, can be with test data transmission to background software on.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes the above technical solutions of the present utility model in detail through a specific usage manner.

The specific working process is as follows: during the use, insert the detachable screw thread post end 51 of detachable fixed part 5 inside terminal 2, and rotatory fixed turn round tightly, thereby fix fixed block end 52 on terminal 2, turn round the threaded rod of resistance tester 1 lower extreme inside grip 11, make grip 11 and resistance tester 1 fixed together, grip 11, grip the tester, take off terminal 2 from the hasp seat 41 of hasp slot part 4, then rotate retaining member 7 clockwise, make two voltage test line gripping rings 61 of clamping part 6 take opposite direction rotation and keep away from each other, thereby press from each other voltage test line gripping ring 61 clamp on the terminal of the thing that awaits measuring, anticlockwise rotation retaining member 7, make two voltage test line gripping rings 61 be close to each other and press from each other the centre gripping terminal, start resistance tester 1 through control button 9, thereby measure, the test result shows on display screen 8, can also open the thing that awaits measuring through control button 9, the thing that awaits measuring is made things can be illuminated.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the utility model described herein.

Claims

1. The utility model provides a hand-held type return circuit resistance tester, includes resistance tester (1), resistance tester (1) side is equipped with terminal (2), terminal (2) lower extreme fixedly connected with connecting wire (3) and through its and resistance tester (1) internal connection, its characterized in that: the utility model discloses a resistance tester, including resistance tester (1), terminal (2), clamping part (7) and clamping part (6) are all fixed to be equipped with in resistance tester (1) both sides, terminal (2) elasticity joint is in clamping groove (4), terminal (2) upside inner has been cup jointed and has been dismantled fixed part (5), terminal (2) are rotatory disconnect-type with dismantling fixed part (5) and are connected, can dismantle fixed part (5) upper end has fixedly cup jointed clamping part (6) through retaining member (7), the direction of the locking screw thread that retaining member (7) both ends set up is reverse setting.

2. The hand-held loop resistance tester of claim 1 wherein: the locking groove part (4) comprises a locking seat (41) and a locking groove (42) which is arranged at the inner end of the locking seat and extends to one side, and the locking seat (41) is of a U-shaped structure.

3. The hand-held loop resistance tester of claim 2 wherein: the wiring terminal (2) is elastically clamped in the locking groove (42), and the diameter of the wiring terminal (2) is larger than that of the locking groove (42).

4. The hand-held loop resistance tester of claim 1 wherein: the detachable fixing part (5) comprises a detachable threaded column end (51) and a fixing block end (52) fixedly arranged at the upper end of the detachable threaded column end, the detachable threaded column end (51) is connected with a threaded groove (21) formed in the inner end of the upper side of the binding post (2) in a rotary separation mode, and clamping part positioning sliding grooves (53) are formed in two sides of the upper end of the fixing block end (52).

5. The hand-held loop resistance tester of claim 4 wherein: clamping part (6) are including a set of voltage test line grip ring (61) that are the mirror image setting, and voltage test line grip ring (61) one end is equipped with the voltage test line and is connected with terminal (2) through it, voltage test line grip ring (61) lower extreme is fixed to be equipped with spacing slider (62), in clamping part location spout (53) is located to spacing slider (62), screw hole (63) are offered in spacing slider (62) center department, equal center perforation of fixed block end (52), screw hole (63) and centre bore are passed in proper order in retaining member (7) to screw thread (63) that will be the voltage test line grip ring (61) that the mirror image set up are reverse setting locking screw thread (71) respectively in retaining member (7) both ends direction, through twist retaining member (7), make voltage test line grip ring (61) that the mirror image set up relative motion in clamping part location spout (53).

6. The hand-held loop resistance tester of claim 1 wherein: the upper end of one side of the resistance tester (1) is provided with a display screen (8), the lower end of one side of the resistance tester (1) is provided with a control button (9), and the middle part of the upper end of the resistance tester (1) is provided with an LED lamp (10).

7. The hand-held loop resistance tester of claim 1 wherein: the middle part of the lower end of the resistance tester (1) is fixedly connected with a threaded rod, the threaded rod is in threaded connection with the inside of the handle (11), and the lower end of the handle (11) is fixedly connected with a base (12).

8. The hand-held loop resistance tester of claim 1 wherein: the novel electric resistance tester is characterized in that a plurality of inserting columns (13) are connected to one side of the electric resistance tester (1) in a sliding mode, the inserting columns (13) are in interference fit with the electric resistance tester (1), one end, away from the electric resistance tester (1), of each inserting column (13) is fixedly connected with a rear cover (15), and a storage battery (14) is arranged inside the electric resistance tester (1).

9. The hand-held loop resistance tester of claim 1 wherein: the resistance tester (1) is internally provided with a blue-night transmission module.