Portable circuit on-off tester
By designing a combined structure of the multimeter body and storage rack in a portable circuit continuity tester, the problem of circuit tangling was solved, achieving stable circuit storage and smooth operation, and improving testing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-07
AI Technical Summary
Existing multimeter devices lack wiring storage devices, which makes the wires easy to get tangled or knotted, affecting the smoothness of operation and the efficiency of maintenance and testing.
A portable circuit continuity tester was designed, comprising a multimeter body, a first storage rack, and a second storage rack. Through the cooperation of locking pins and elastic elements, the circuit can be automatically stored and stably fixed.
It effectively prevents wires from tangling and loosening, improves operational smoothness, reduces maintenance or inspection time, and enhances line stability and reduces the risk of wear during equipment movement.
Smart Images

Figure CN224095892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of instrument measurement technology, and specifically relates to a portable circuit on-off tester. BACKGROUND
[0002] A circuit is a closed conductive path composed of electrical elements, and the main function is power transmission, distribution and conversion, and the circuit on-off is the basic working state of the circuit, which determines whether the current can flow and whether the equipment works.
[0003] Circuit on-off testing is the basic operation of electrical maintenance, electronic manufacturing and daily troubleshooting, and the normal conduction of wires, switches, fuses and connectors can be confirmed through a portable universal meter device, so as to avoid the failure of the equipment due to the circuit.
[0004] Through long-term observation, the existing universal meter device lacks a storage device for the pen and the line, and the uncollected line is easy to be entangled or knotted, so that the subsequent use needs to be frequently arranged, the operation fluency is affected, and the maintenance or detection time is delayed. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem in the background art, the utility model provides a portable circuit on-off tester.
[0006] The utility model solves the technical problems thereof by adopting the technical scheme that the utility model discloses a portable circuit on-off tester, which comprises a universal meter main body, an adjusting disc is installed in the middle of the universal meter main body, two groups of first storage racks are fixedly connected to the side wall of the universal meter main body, a second storage rack is slidably connected to the side wall of the universal meter main body, and the second storage rack is arranged on the top of the first storage rack, a top plate is fixedly connected to the inner wall of the second storage rack, a first fixed plate is fixedly connected to the bottom of the top plate, the first fixed plate is arranged in a penetrating mode in the middle of the first storage rack, a plurality of elastic members are fixedly connected to the inner wall of the first storage rack, a first clamping pin is fixedly connected to the end of the elastic member, the first clamping pin is arranged in a sliding mode on the inner wall of the first storage rack, and the end of the first clamping pin is arranged in a shape matching mode with the inner wall of the first fixed plate.
[0007] Preferably, the top of the second storage rack is fixedly connected with a fixing frame, the middle of the fixing frame is fixedly connected with a guide cylinder, the inner wall of the guide cylinder is slidably connected with a first piston rod, the side wall of the universal meter main body is fixedly connected with two groups of second fixed plates, and the first piston rod is arranged at the bottom of the second fixed plate, the inner wall of the guide cylinder is slidably connected with a second piston plate, the top of the second piston plate is fixedly connected with a connecting plate, the middle of the connecting plate is provided with two groups of sliding rods, the sliding rods are arranged in a sliding mode in the middle of the second storage rack, and the bottom of the sliding rod is fixedly connected with a rubber column.
[0008] Preferably, the middle of the connecting plate is fixed with two groups of spring rods; the output end of the spring rod is fixed with a handheld rod; the middle of the handheld rod is fixed with two groups of second pins; the middle of the slide rod is slidably arranged in the connecting plate; and the middle of the slide rod is provided with a plurality of clamping holes matched with the shape of the second pin.
[0009] Preferably, the bottom of the rubber column is fixed with a backing plate; and the end of the backing plate is fixed with two groups of expansion plates.
[0010] Preferably, the top of the second storage rack is fixed with two groups of shielding pieces; and the top of the shielding piece is fixed with a cleaning piece.
[0011] Preferably, the sidewall of the top plate is provided with a protection groove, and the protection groove is arranged in a circular arc shape.
[0012] The utility model discloses beneficial effects:
[0013] The utility model provides a portable circuit on-off tester, through the first storage frame and the second storage frame of cooperation and arrangement, can carry the line of outside use and complete storage processing, reduce the line of not receiving and easily intertangled or knot, lead to the problem that needs to arrange frequently when using subsequently, improve the operation fluency of subsequent universal table main part to reduce the time of subsequent maintenance or detection, and under the action of the inclined surface between the first pin and the first fixed plate, the overall height adjustment of the second storage rack can be facilitated.
[0014] The utility model provides a portable circuit on-off tester, through the effect that the slide rod extrudes the line, can improve the stability of the line after storage, reduce the line loose after using, and there is the problem of frequent wear and tear between the lines during the position transfer of the universal table main part, and the rubber column is lifted in cooperation with the first piston rod, and the falling position of the rubber column can be limited. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:
[0016] Figure 1 It is the three-dimensional structure schematic view in the utility model;
[0017] Figure 2 It is the second storage rack structure schematic view in the utility model;
[0018] Figure 3 It is Figure 2 The enlarged view of A in the figure;
[0019] Figure 4The rubber column structure schematic view in the utility model;
[0020] Figure 5 The first fixed plate structure schematic view in the utility model.
[0021] Legend:
[0022] 1, universal watch main body;11, adjusting disc;12, first storage rack;13, second storage rack;14, top plate;15, first fixed plate;16, elastic piece;17, first pin;2, fixed frame;21, guide cylinder;22, first piston rod;23, second fixed plate;24, second piston plate;25, connecting plate;26, slide bar;27, rubber column;3, spring rod;31, hand-held rod;32, second pin;33, clamping hole;4, pad;41, expansion plate;5, shielding piece;51, cleaning piece;6, protection groove. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] The specific embodiments are given below.
[0025] As Figures 1-5The utility model discloses a portable circuit on-off tester, including universal meter body 1, the universal meter body 1 middle part is installed with the adjusting disc 11, the universal meter body 1 side wall is firmly connected with two groups of first storage frame 12, the universal meter body 1 side wall is slidably connected with second storage frame 13, and second storage frame 13 is located the first storage frame 12 top setting, the second storage frame 13 inner wall is firmly connected with the top plate 14, the first fixed plate 15 is firmly connected to the top plate 14 bottom, and the first fixed plate 15 is through the setting in the first storage frame 12 middle part, the first storage frame 12 inner wall is firmly connected with a plurality of elastic parts 16, the first clamping pin 17 is firmly connected to the elastic part 16 end, and the first clamping pin 17 is slidably arranged in the first storage frame 12 inner wall, and the first clamping pin 17 end and the first fixed plate 15 inner wall are shape matching settings, when working, can install two groups of measuring pen on the universal meter body 1 middle part, and place the universal meter body 1 in the area to be used after, and the circuit is measured with two groups of table pen, when the first storage frame 12 is arranged on the side wall of universal meter body 1, the table pen and circuit are stored, then the second storage frame 13 is pulled up in sequence, so that the first clamping pin 17 and the first storage frame 12 are retracted, then a plurality of elastic parts 16 are transferred to the specified first fixed plate 15 inner wall position, until the second storage frame 13 and the first storage frame 12 are separated and opened, the subsequent circuit can be wound in the middle area of two groups of second storage frame 13, and after storage is completed, the second storage frame 13 is pressed down, so that the first clamping pin 17 moves again in the first fixed plate 15 inner wall, until the second storage frame 13 and the first storage frame 12 are in contact and closed, the first storage frame 12 and the second storage frame 13 are arranged in this step, and the circuit used outside can be stored, reduce the problem that the uncollected circuit is easily entangled or knotted, improve the operation smoothness of the universal meter body 1, reduce the subsequent maintenance or detection time, and the overall height of the second storage frame 13 can be adjusted under the action of the inclined surface between the first clamping pin 17 and the first fixed plate 15.
[0026] As Figures 1-5The second storage rack 13 top is fixedly connected with a fixed frame 2, the fixed frame 2 middle is fixedly connected with a guide cylinder 21, the guide cylinder 21 inner wall is slidably connected with a first piston rod 22, the universal watch body 1 side wall is fixedly connected with two groups of second fixed plates 23, and the first piston rod 22 is located at the second fixed plate 23 bottom, the guide cylinder 21 inner wall is slidably connected with a second piston plate 24, the second piston plate 24 top is fixedly connected with a connecting plate 25, the connecting plate 25 middle is provided with two groups of slide rods 26, and the slide rod 26 is slidably arranged in the second storage rack 13 middle, the slide rod 26 bottom is fixedly connected with a rubber column 27, when working, the fixed frame 2 is arranged on the second storage rack 13 top, the position of the guide cylinder 21 is reinforced, and then the second storage rack 13 is upwardly moved and fixed, the second fixed plate 23 is pressed downward to slide in the guide cylinder 21 inner wall, the liquid in the guide cylinder 21 inner wall is extruded, the second piston plate 24 at the other end is lifted upward, and the rubber column 27 is integrally moved upward, then during the closing process between the second storage rack 13 and the first storage rack 12, the first piston rod 22 loses the downward pressure from the second fixed plate 23, and under the action of the gravity of the rubber column 27, it can move downward, so that the second piston plate 24 can push the first piston rod 22 upward when sliding downward, and in the process of sliding downward, the rubber column 27 can push the line stored in the first storage rack 12 and the second storage rack 13, and the line is pressed, this step can improve the stability of the stored line under the action of the slide rod 26 extruding the line, reduce the looseness of the line after use, and solve the problem of frequent wear between lines during the position transfer of the universal watch body 1, and the rubber column 27 can limit the falling position of the rubber column 27 in the process of falling, in cooperation with the lifted first piston rod 22.
[0027] As Figures 1-5As shown, the middle of the connecting plate 25 is fixedly connected with two groups of spring rods 3; the output end of the spring rod 3 is fixedly connected with a handheld rod 31; the middle of the handheld rod 31 is fixedly connected with two groups of second clamping pins 32; the middle of the sliding rod 26 is slidingly arranged in the connecting plate 25; a plurality of clamping holes 33 matched with the shape of the second clamping pin 32 are formed in the middle of the sliding rod 26; during work, when it is necessary to change the working height of the sliding rod 26 and the rubber column 27, the worker can pull the two groups of handheld rods 31 in sequence, and then make the second clamping pin 32 and the clamping hole 33 separate, and then adjust the height of the sliding rod 26, and then reset the second clamping pin 32 by the elastic force generated by the spring rod 3, which can improve the flexibility of the sliding rod 26 and the rubber column 27 during subsequent use, and can adjust the pressing force of the rubber column 27, and can improve the stability of the matching of the second clamping pin 32 and the clamping hole 33 under the action of the elastic spring rod 3.
[0028] As shown in Figures 1-5 , the bottom of the rubber column 27 is fixedly connected with a pad 4; the end of the pad 4 is fixedly connected with two groups of expansion plates 41; during work, the pad 4 is arranged at the bottom of the rubber column 27, and the pad 4 and the expanded expansion plate 41 can contact and press the lines in the first storage rack 12 and the second storage rack 13 during the falling process of the rubber column 27, which can reduce the wear caused by the direct contact between the rubber column 27 and the lines, and can increase the area of the pressed lines by matching the expanded expansion plate 41, and can further improve the stability of the pressed lines.
[0029] As shown in Figures 1-5 , the top of the second storage rack 13 is fixedly connected with two groups of shielding pieces 5; the top of the shielding piece 5 is fixedly connected with a cleaning piece 51; during work, the shielding piece 5 is arranged at the top of the second storage rack 13, and the shielding piece 5 can shield the sliding groove of the second storage rack 13 during the sliding process of the second storage rack 13, and the soft cleaning piece 51 can also wipe the sliding groove, which can shield the dust in the outside environment by matching the shielding piece 5 arranged at the top of the second storage rack 13, so as to reduce the accumulation in the sliding groove of the second storage rack 13, so that the subsequent sliding of the second storage rack 13 is not jammed, and the sliding groove can be cleaned by the cleaning piece 51.
[0030] As shown in Figures 1-5 , the side wall of the top plate 14 is provided with a protection groove 6, and the protection groove 6 is arranged in a circular arc shape; during work, the protection groove 6 is arranged in the middle of the top plate 14, and the lines can directly contact the circular arc-shaped protection groove 6 after being wound, which can reduce the problem of creases caused by the right-angle side wall of the top plate 14 to the lines.
[0031] Working principle: after installing two groups of measuring pens in the middle of the universal meter body 1, placing the universal meter body 1 in the area to be used, and matching two groups of meter pens to measure the circuit, two groups of first storage racks 12 are arranged on the side wall of the universal meter body 1, and the generated meter pen and circuit need to be stored, at this time, the second storage rack 13 can be pulled up in sequence, so that the first clamping pin 17 is retracted into the first storage rack 12, and then a plurality of elastic members 16 are transferred to the inner wall position of the first fixed plate 15, until the second storage rack 13 is separated from the first storage rack 12 to open, and then the external circuit can be wound in the middle area of the two groups of second storage racks 13, and after storage is completed, the second storage rack 13 is pressed down, so that the first clamping pin 17 moves again at the inner wall of the first fixed plate 15, until the second storage rack 13 and the first storage rack 12 are in contact and closed, a fixed frame 2 is arranged on the top of the second storage rack 13, and the position of the guide cylinder 21 is reinforced, and after the second storage rack 13 moves upward and is fixed, the fixed second fixed plate 23 can press down the first piston rod 22 to slide in the inner wall of the guide cylinder 21, and extrude the liquid in the inner wall of the guide cylinder 21, so that the second piston plate 24 at the other end is pushed up, and the rubber column 27 is moved upward as a whole, and in the closing process between the second storage rack 13 and the first storage rack 12, the first piston rod 22 loses the downward pressure from the second fixed plate 23, and under the action of the gravity of the rubber column 27, it can move downward, so that the second piston plate 24 can push the first piston rod 22 upward when it slides downward, and in the process of sliding downward, the rubber column 27 can push against the circuit stored in the first storage rack 12 and the second storage rack 13, and press the circuit, a spring rod 3 is arranged in the middle of the connecting plate 25, and when the working height of the sliding rod 26 and the rubber column 27 needs to be changed, the staff can pull two groups of hand-held rods 31 in sequence, and then the second clamping pin 32 is separated from the clamping hole 33, and the height of the sliding rod 26 is adjusted, and then the second clamping pin 32 is clamped into the reset position by the elastic force generated by the spring rod 3, a pad 4 is arranged at the bottom of the rubber column 27, and in the process of falling of the rubber column 27, the pad 4 and the expanded expansion plate 41 can contact and press the circuit in the first storage rack 12 and the second storage rack 13, an expanded shielding piece 5 is arranged on the top of the second storage rack 13, and in the process of sliding of the second storage rack 13, the expanded shielding piece 5 can shield the sliding groove of the second storage rack 13, and the soft material cleaning piece 51 can also wipe the sliding groove, a protection groove 6 is arranged in the middle of the top plate 14, and after the circuit is wound, the circuit can directly contact the arc-shaped protection groove 6.
[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A portable circuit continuity tester, comprising a multimeter body (1); an adjustment dial (11) is installed in the middle of the multimeter body (1); characterized in that: Two sets of first storage racks (12) are fixedly connected to the side wall of the multimeter body (1); a second storage rack (13) is slidably connected to the side wall of the multimeter body (1), and the second storage rack (13) is located at the top of the first storage rack (12); a top plate (14) is fixedly connected to the inner wall of the second storage rack (13); a first fixing plate (15) is fixedly connected to the bottom of the top plate (14), and the first fixing plate (15) is through-hole in the middle of the first storage rack (12); multiple sets of elastic members (16) are fixedly connected to the inner wall of the first storage rack (12); a first locking pin (17) is fixedly connected to the end of the elastic member (16), and the first locking pin (17) is slidably connected to the inner wall of the first storage rack (12), and the end of the first locking pin (17) is shaped to match the inner wall of the first fixing plate (15).
2. The portable circuit continuity tester as described in claim 1, characterized in that: The second storage rack (13) is fixedly connected to a fixed frame (2) at the top; a guide tube (21) is fixedly connected to the middle of the fixed frame (2); a first piston rod (22) is slidably connected to the inner wall of the guide tube (21); two sets of second fixed plates (23) are fixedly connected to the side wall of the multimeter body (1), and the first piston rod (22) is located at the bottom of the second fixed plate (23); a second piston plate (24) is slidably connected to the inner wall of the guide tube (21); a connecting plate (25) is fixedly connected to the top of the second piston plate (24); two sets of sliding rods (26) are provided in the middle of the connecting plate (25), and the sliding rods (26) are slidably set in the middle of the second storage rack (13); a rubber column (27) is fixedly connected to the bottom of the sliding rods (26).
3. The portable circuit continuity tester as described in claim 2, characterized in that: Two sets of spring rods (3) are fixedly connected to the middle of the connecting plate (25); a hand handle (31) is fixedly connected to the output end of the spring rod (3); two sets of second locking pins (32) are fixedly connected to the middle of the hand handle (31); the slide rod (26) is slidably set in the middle of the connecting plate (25); multiple sets of locking holes (33) matching the shape of the second locking pins (32) are opened in the middle of the slide rod (26).
4. A portable circuit continuity tester as described in claim 2, characterized in that: The bottom of the rubber column (27) is fixedly connected to a pad (4); the end of the pad (4) is fixedly connected to two sets of expansion plates (41).
5. A portable circuit continuity tester as described in claim 1, characterized in that: The second storage rack (13) has two sets of shielding parts (5) fixedly connected to its top; the shielding parts (5) have cleaning parts (51) fixedly connected to their tops.
6. A portable circuit continuity tester as described in claim 1, characterized in that: The top plate (14) has a protective groove (6) on its side wall, and the protective groove (6) is arc-shaped.