Internal circuit detection device for multifunctional maintenance power box
The multifunctional internal circuit detection device addresses spatial limitations by using adjustable test leads and contact blocks to facilitate comprehensive circuit detection within power supply boxes.
Patent Information
- Application Number
- CN202422962619.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Traditional multimeters face challenges in directly contacting contact points of electrical equipment within power supply boxes due to spatial constraints and proximity issues, limiting their ability to perform comprehensive circuit detection.
A multifunctional internal circuit detection device with adjustable test leads and contact blocks, featuring movable clamps, rotating seats, and adjustable angles, allowing for direct contact with otherwise inaccessible contact points.
Enhances the operability of circuit detection by enabling direct contact with electrical equipment at various angles, improving the ability to detect internal circuits within power supply boxes.
Smart Images

Figure CN222299695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of multimeters, in particular to a multifunctional internal circuit detection device for repairing a power supply box. Background Art
[0002] A clamp multimeter is a test tool that is widely used in electrical testing and fault diagnosis. Due to its versatility, a clamp multimeter can measure parameters such as voltage and resistance and provide comprehensive circuit diagnostic information, which enables technicians to quickly locate potential problems in the internal circuit of the power box;
[0003] For example, the Chinese utility model patent disclosed by the existing publication number CN221841106U: an easy-to-open AC / DC clamp-type multifunctional multimeter, the application includes a shell, a display screen, a clamp head, a PCBA board, and a battery, wherein the display screen and the battery are electrically connected to the PCBA board, and the multimeter also includes an opening and closing module, which is installed under the movable clamp head, and can realize multiple parameter detection of the internal circuit of the power box, but the internal structure of the power box is complex and the space is small. The contact points of some electrical equipment may be located at the top or bottom of the electrical equipment, and the distance between two adjacent electrical equipment is too close, so that the traditional multimeter probe cannot directly contact it, which will cause the traditional multimeter probe to be unable to directly contact the contact point of the electrical equipment in a straight or oblique direction, and thus cannot complete the circuit detection inside the entire power box. Utility Model Content
[0004] The purpose of the utility model is to provide a multifunctional internal circuit detection device for repairing a power supply box, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A multifunctional internal circuit detection device for repairing a power supply box comprises a multimeter and two test leads, wherein two current detection clamps are movably mounted on the upper end of the multimeter, a control area is fixedly mounted on the front side of the multimeter, one end of the test lead is fixedly connected to a connecting cable, a sleeve is movably mounted on the outer side of the test lead, two T-shaped guide seats are fixedly mounted on the outer side of the sleeve, a slider is movably mounted on the T-shaped guide seat, two end heads are fixedly mounted on one end of the sleeve away from the T-shaped guide seat, a rotating seat is movably mounted between the two end heads, a connecting pipe is fixedly mounted on one end of the sleeve, a connecting seat is fixedly mounted on one end of the connecting pipe, and a contact block is movably connected between the connecting seat and the rotating seat.
[0007] As a further preferred embodiment of the present invention, a screw seat is fixedly installed at one end of the test lead, the screw seat is electrically connected to the connecting cable, a probe is also arranged at one end of the screw seat, and a plurality of arc-shaped connecting pieces are fixedly connected between the screw seat and the probe;
[0008] Based on this, a screw seat is provided at one end of the test lead to provide conditions for the installation of the sleeve.
[0009] As a further preferred embodiment of the present invention, a screw groove is provided on the inner side of the connecting tube, a rotation groove is provided on the upper and lower ends of the connecting seat, the sleeve is inserted and installed on the outer side of the test lead, and one end of the connecting tube is also connected to the screw seat through the screw groove thread;
[0010] Based on this, by providing the connecting tube, electrical connection between the contact block and the connecting cable can be achieved.
[0011] As a further preferred embodiment of the present invention, a fixed shaft is fixedly installed at the upper end and the lower end of the rotating seat, and the rotating seat is rotatably installed between the two end heads through the fixed shaft. Side blocks are fixedly installed on both sides of the rotating seat, and a pull rope is movably connected between the side blocks and the corresponding sliders, and the pull rope is also inserted into the through hole of the outer flange of the sleeve;
[0012] Based on this, the two side blocks are connected to the corresponding sliders through pull ropes respectively, so that the angle adjustment of the rotating seat and the contact block can be controlled.
[0013] As a further preferred scheme of the utility model, one end of the contact block passes through one end of the rotating seat and extends to the outside of the rotating seat, and a connecting groove is opened at the other end of the contact block. A rotating block is fixedly installed at the bottom and the bottom of the connecting groove, one end of the contact block is inserted into the connecting seat, and the rotating block is rotatably connected in the corresponding rotating groove, and the rotating block is coaxial with the fixed shaft.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] In the utility model, a sleeve, an end, a rotating seat, a contact block, a T-shaped guide seat, a connecting tube and other structures are arranged on the outside of the test lead, so that the contact angle of the contact block can be quickly adjusted, thereby facilitating contact with the contact points of electrical equipment that the probe cannot contact directly or obliquely through the contact block with an adjustable angle, thereby improving the operability of the entire test lead. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the test lead and sleeve separation structure of the utility model;
[0018] Figure 3 for Figure 2 The enlarged view of point A in the middle;
[0019] Figure 4 This is a schematic diagram of the disassembly structure of the sleeve, the end head and the rotating seat of the utility model;
[0020] Figure 5 for Figure 4 The enlarged view of point B in the middle;
[0021] Figure 6 for Figure 5 Enlarged view of point C in the middle;
[0022] Figure 7 This is a schematic diagram of the connecting pipe structure of the utility model;
[0023] Figure 8 This is a schematic diagram of the contact block structure of the utility model.
[0024] In the figure: 1. multimeter; 2. current detection clamp; 3. control area; 4. test lead; 5. connecting cable; 6. bushing; 7. terminal; 8. rotating seat; 9. contact block; 10. T-shaped guide seat; 11. slider; 12. screw seat; 13. probe; 14. arc-shaped connecting piece; 15. screw groove; 16. connecting seat; 17. rotating groove; 18. connecting groove; 19. rotating block; 20. fixed shaft; 21. side block; 22. pull rope; 23. connecting pipe. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] like Figure 1-Figure 7 As shown, the utility model provides a multifunctional internal circuit detection device for repairing a power supply box, comprising a multimeter 1 and two test leads 4, two current detection clamps 2 are movably installed on the upper end of the multimeter 1, a control area 3 is fixedly installed on the front side of the multimeter 1, one end of the test lead 4 is fixedly connected to a connecting cable 5, a sleeve 6 is movably installed on the outer side of the test lead 4, two T-shaped guide seats 10 are fixedly installed on the outer side of the sleeve 6, a slider 11 is movably installed on the T-shaped guide seat 10, two terminal heads 7 are fixedly installed on one end of the sleeve 6 away from the T-shaped guide seat 10, a rotating seat 8 is movably installed between the two terminal heads 7, a connecting pipe 23 is fixedly installed at one end inside the sleeve 6, a connecting seat 16 is fixedly installed at one end of the connecting pipe 23, and a contact block 9 is movably connected between the connecting seat 16 and the rotating seat 8.
[0027] like Figure 2-Figure 3As shown, a screw seat 12 is fixedly installed at one end of the test lead 4, and the screw seat 12 is electrically connected to the connecting cable 5. A probe 13 is also provided at one end of the screw seat 12, and a plurality of arc-shaped connecting pieces 14 are fixedly connected between the screw seat 12 and the probe 13. The screw seat 12 is provided at one end of the test lead 4 to provide conditions for the installation of the sleeve 6.
[0028] like Figure 2-Figure 7 As shown, a screw groove 15 is provided inside the connecting tube 23, a rotating groove 17 is provided at the upper and lower ends of the connecting seat 16, the sleeve 6 is inserted and installed on the outer side of the test lead 4, and one end of the connecting tube 23 is also threadedly connected to the screw seat 12 through the screw groove 15. Through the setting of the connecting tube 23, the electrical connection between the contact block 9 and the connecting cable 5 can be achieved. The upper and lower ends of the rotating seat 8 are fixedly installed with a fixed shaft 20, and the rotating seat 8 is rotatably installed between the two end heads 7 through the fixed shaft 20. Side blocks 21 are fixedly installed on both sides of the rotating seat 8, and the side blocks 21 are movable between the corresponding sliders 11 A pull rope 22 is connected, and the pull rope 22 is also inserted into the through hole of the outer flange of the sleeve 6, and the two side blocks 21 are respectively connected to the corresponding sliders 11 through the pull rope 22, so that the angle adjustment of the rotating seat 8 and the contact block 9 can be controlled. One end of the contact block 9 passes through one end of the rotating seat 8 and extends to the outside of the rotating seat 8. A connecting groove 18 is opened at the other end of the contact block 9. A rotating block 19 is fixedly installed at the bottom and bottom of the connecting groove 18. One end of the contact block 9 is inserted on the connecting seat 16, and the rotating block 19 is rotatably connected in the corresponding rotating groove 17, and the rotating block 19 is coaxial with the fixed shaft 20.
[0029] It should be noted that the utility model is a multifunctional internal circuit detection device for repairing a power supply box. When the test lead 4 is used to detect electrical equipment, the test lead 4 can be directly held and the probe 13 can be used to contact the contact point on the electrical equipment, so as to obtain the detection data through the multimeter 1. When it is necessary to detect the contact point inside the power supply box that the probe 13 cannot directly contact vertically or obliquely through the cooperation of the sleeve 6 and the contact block 9, the sleeve 6 can be directly inserted into the outside of the test lead 4, and after one end of the connecting tube 23 is in contact with one end of the screw seat 12, the sleeve 6 can be rotated, so that one end of the connecting tube 23 is threadedly connected to the screw seat 12 through the screw groove 15, and the outer side of the arc-shaped connecting piece 14 is in contact with the inner wall of the connecting tube 23 at the same time, so that the contact block 9 can be electrically connected to the connecting cable 5 through the screw seat 12, the probe 13, the arc-shaped connecting piece 14 and the connecting tube 23, and then, One end of the hand-held test lead 4 cooperates with the sleeve 6 and the terminal 7 to insert the rotating seat 8 near the contact of the electrical equipment that needs to be contacted, and then, one of the sliders 11 can be pulled, so that the slider 11 drives the side block 21 to move through the pull rope 22, so that the side block 21 drives the rotating seat 8 and the fixed shaft 20 as the axis to rotate between the two terminal heads 7, and the rotating seat 8 synchronously drives the contact block 9 to rotate at one end of the connecting seat 16 with the two rotating blocks 19 as the axis. At this time, the side block 21 on the other side of the rotating seat 8 drives another pull rope 22 to move, so that the slider 11 on the other side of the sleeve 6 slides on another T-shaped guide seat 10, which is conducive to the subsequent resetting and rotation of the rotating seat 8 through the secondary slider 11, and then, the hand-held test lead 4 can be cooperated with the sleeve 6, the terminal 7, and the rotating seat 8 to use magnetic resistance and adsorb one end of the contact block 9 on the contact point of the electrical equipment that the probe 13 cannot reach.
[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A multifunctional power supply box internal circuit detection device, characterized in that: The invention comprises a multimeter (1) and two test leads (4), wherein two current detection clamps (2) are movably mounted on the upper end of the multimeter (1), a control area (3) is fixedly mounted on the front side of the multimeter (1), one end of the test lead (4) is fixedly connected to a connecting cable (5), a sleeve (6) is movably mounted on the outer side of the test lead (4), two T-shaped guide seats (10) are fixedly mounted on the outer side of the sleeve (6), a slider (11) is movably mounted on the T-shaped guide seat (10), two end heads (7) are fixedly mounted on one end of the sleeve (6) away from the T-shaped guide seat (10), a rotating seat (8) is movably mounted between the two end heads (7), a connecting pipe (23) is fixedly mounted on one end of the sleeve (6), a connecting seat (16) is fixedly mounted on one end of the connecting pipe (23), and a contact block (9) is movably connected between the connecting seat (16) and the rotating seat (8).
2. A multifunctional internal circuit detection device for repairing a power supply box according to claim 1, characterized in that: A screw seat (12) is fixedly mounted on one end of the test lead (4), the screw seat (12) is electrically connected to the connecting cable (5), a probe (13) is also arranged on one end of the screw seat (12), and a plurality of arc-shaped connecting pieces (14) are fixedly connected between the screw seat (12) and the probe (13).
3. A multifunctional power supply box internal circuit detection device according to claim 2, characterized in that: A screw groove (15) is formed on the inner side of the connecting tube (23), a rotation groove (17) is formed on the upper and lower ends of the connecting seat (16), the sleeve (6) is inserted and installed on the outer side of the test lead (4), and one end of the connecting tube (23) is also threadedly connected to the screw seat (12) through the screw groove (15).
4. A multifunctional power supply box internal circuit detection device according to claim 3, characterized in that: A fixed shaft (20) is fixedly mounted on the upper and lower ends of the rotating seat (8), and the rotating seat (8) is rotatably mounted between the two end heads (7) via the fixed shaft (20). Side blocks (21) are fixedly mounted on both sides of the rotating seat (8), and a pull rope (22) is movably connected between the side block (21) and the corresponding slider (11), and the pull rope (22) is also inserted into a through hole of the outer flange of the sleeve (6).
5. The multifunctional internal circuit detection device for repairing a power supply box according to claim 3 is characterized in that: One end of the contact block (9) passes through one end of the rotating seat (8) and extends to the outside of the rotating seat (8); the other end of the contact block (9) is provided with a connecting groove (18); a rotating block (19) is fixedly mounted on the bottom of the connecting groove (18); one end of the contact block (9) is inserted into the connecting seat (16), and the rotating block (19) is rotatably connected in the corresponding rotating groove (17); and the rotating block (19) is coaxial with the fixed shaft (20).