Special tool for weak current debugging

By using rubber sleeves and clamping structures in weak-current debugging tools to protect the test pens and design independent wire-receiving structures, it is easy to maintain and adapt to test pens of different diameters, and solves the easy damage of test pens and scroll springs in existing tools. Fatigue problems extend the service life and stability of the tool.

CN222337241UActive Publication Date: 2025-01-10JIANGXI ZHILING INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202420901899.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-01-10
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

In the existing weak current debugging tools, the test pen is susceptible to collision damage, the vortex spring structure is prone to fatigue, resulting in failure of the line-receiving structure, inconvenient maintenance, and is not suitable for testing pens of different diameters.

Method used

A tool including an outer shell, wire-receiving structure and protective structure was designed. The test pen is protected by a rubber sleeve and a clamping structure. The independent design of the wire-receiving structure is easy to disassemble and replace, and the wire-receiving harness is achieved by using spiral troughs and rotating troughs. , suitable for test pens of different diameters and extend tool life by springs and rotating rods.

Benefits of technology

Improves the service life of the test pen and the stability of the tool, facilitates maintenance and management, extends the service life of the tool, is suitable for test pens of different diameters, and simplifies repair and replacement through the design of independent components.

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    Figure CN222337241U_ABST
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Abstract

The utility model discloses a special tool for weak current debugging, which comprises an outer shell, two groups of take-up structures and a protective structure, a display screen is arranged on one side of the top of the outer shell, cavities are respectively arranged on two sides of the other side of the outer shell, accommodating cavities are arranged at the bottoms of the two cavities, and the two groups of take-up structures are respectively and symmetrically arranged in the accommodating cavities. The outer walls of the two groups of take-up structures are respectively wound with a connecting wire, the two groups of protection structures are respectively arranged at two sides of the outer shell, test pens are respectively arranged in the two protection structures, and one ends, far away from the protection structures, of the two test pens are respectively inserted with the connecting wire. The test pen is inserted into the through hole, the rubber sleeve is arranged in the through hole, a hard structure between the test pen point and the inner wall of the through hole is avoided, the four clamping structures enable the protective shell to be suitable for the test pens with different diameters, the protective applicability is improved, and even if the spring I is damaged, the take-up structure can still take up the test pen by lifting the handle. And the rotating rod and the rotating groove are matched to drive the take-up roller to take up the wire, so that the service life of the whole tool is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of weak current debugging equipment, in particular to a special tool for weak current debugging. Background Art

[0002] Weak current generally refers to DC circuits or audio, video lines, network lines, telephone lines, and AC voltage is generally within 36V. Household appliances such as telephones, computers, and television signal inputs (cable TV lines), audio equipment (output lines), etc. are all weak current electrical equipment. Conceptually, strong current and weak current are generally easy to distinguish. The main difference is the use. Strong current is used as a power source. Weak current is used as a signal. Voltage is not a way to distinguish between strong current and weak current. In weak current debugging, tools such as multimeters and test pens are often used to test and debug circuits.

[0003] A special tool for weak current debugging with announcement number CN219871420U comprises an outer shell, one side of which is fixedly connected to two positioning seats, a test pen is arranged on the positioning seat, the test pen comprises a detection pen body fixedly connected to the positioning seat, and a wiring harness connected in series to the detection pen body, a storage cavity is provided in the outer shell, a core shaft is installed in the storage cavity of the outer shell, and a volute spring is fixedly connected to the core shaft, the wiring harness is wound around the volute spring, and a protective cover is sleeved on the outer shell. The utility model can realize automatic winding of the test pen wiring harness by installing a volute spring component in the storage cavity of the outer shell, which is convenient for the collection and management of the wiring harness, and at the same time, a protective cover is arranged on the outside of the outer shell, and a hanging buckle is fixed on the protective cover, which solves the problem that the wiring harness of the device is inconvenient to manage and the device is inconvenient to carry at this stage. In addition, the existing special tools also have the following disadvantages during use:

[0004] (1) The test pen in the existing special tool is arranged between the outer shell and the protective cover and is in a semi-exposed state. Once the protective cover is hit, the test pen will come into hard contact with the outer shell or the protective cover, thereby reducing the service life of the test pen and the accuracy of the test;

[0005] (2) Existing special tools use a spiral spring to wind up the connecting wire. However, the spiral spring structure may fail due to fatigue or damage of the spring, and the entire spiral spring must be replaced during maintenance. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a special tool for weak current debugging.

[0007] In order to solve the above problems, the technical solution of the utility model includes:

[0008] An outer shell, wherein a display screen is provided on one side of the top of the outer shell, and cavities are provided on both sides of the other side, adjustment knobs are symmetrically provided between the two cavities and the display screen, and a containing cavity is provided at the bottom of the two cavities;

[0009] A wire-receiving structure, wherein the number of the wire-receiving structures is two groups, the two groups of wire-receiving structures are symmetrically arranged inside the cavity, and the outer walls of the two groups of wire-receiving structures are respectively wound with connecting wires;

[0010] The protective structure comprises two groups, the two groups of the protective structures are respectively arranged on both sides of the outer shell, the two protective structures are respectively provided with test pens inside, and the ends of the two test pens away from the protective structures are respectively plugged with connecting wires.

[0011] Furthermore, the two ends of the wire-taking roller are respectively movably connected to the interior of the cavity, the outer wall of the wire-taking roller is provided with a wire groove, the shape of the wire groove is spiral, the wire groove is adaptably connected to the connecting wire, the shape of the movable groove is annular, and rotating grooves are respectively provided on both sides of the top of the movable groove, the shape of the two rotating grooves are both rectangular, and the two rotating grooves are connected to the movable groove.

[0012] Furthermore, each group of the protective structure includes a protective shell, a boss, a through hole, a rubber sleeve and a clamping structure. A boss is provided on one side of the interior of the protective shell, and a through hole is provided on the other side. Four groups of clamping structures are respectively provided on the four sides of the boss away from the through hole, and a rubber sleeve is provided on the inner wall of the through hole.

[0013] Furthermore, each group of the wire-taking structure includes a wire-taking roller, a movable groove, a connecting rod, a rotating rod, a rotating disk, a handle and a spring. A movable groove is provided at the center of the inner wall of the wire-taking roller, a spring is provided on one side of the interior of the wire-taking roller, and a connecting rod is provided on the other side. One end of the connecting rod is fixedly connected to the rotating rod on both sides, and the other end extends through the cavity into the cavity and is fixedly connected to the rotating disk. The top of the rotating disk is fixedly connected to the handle, and a fixed structure is provided between the rotating disk and the inner wall of the cavity.

[0014] Furthermore, one end of the spring is fixedly connected to the inner wall of the cavity, and the other end abuts against the connecting rod. The separated ends of the two rotating rods are respectively adapted to be connected to the movable grooves, and the two rotating rods are respectively adapted to be connected to the rotating grooves.

[0015] Furthermore, each group of the clamping structure includes a rotating shaft, a clamping plate, a rubber pad and a second spring, one end of the rotating shaft is movably connected to the boss, and the other end is fixedly connected to the clamping plate, a rubber pad is provided on one side of the clamping plate away from the rotating shaft, a second spring is provided on the side of the clamping plate away from the rubber pad, one end of the second spring is fixedly connected to the inner wall of the protective shell, and the other end is fixedly connected to the clamping plate.

[0016] The advantages of the utility model compared with the existing technology are:

[0017] 1. The utility model provides a special tool for weak current debugging. By inserting a test pen into a through hole, a rubber sleeve is arranged inside the through hole to avoid a rigid structure between the test pen head and the inner wall of the through hole. The four sets of clamping structures not only make the protective shell suitable for test pens of different diameters, increase the protection applicability, but also ensure the stability of the test pen when placed, thereby increasing the service life of the test pen;

[0018] 2. The utility model provides a special tool for weak current debugging. The components of the wire-reeling structure are relatively independent and easy to disassemble and replace. If a component is damaged or worn, the user can conveniently repair or replace it. Even if the spring is damaged, the wire-reeling structure can still drive the wire-reeling roller to reel in the wire by lifting the handle and cooperating with the rotating rod and the rotating groove, thereby extending the service life of the entire tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereogram of the utility model.

[0020] Figure 2 yes Figure 1 Side view of.

[0021] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle.

[0022] Figure 4 yes Figure 2 Cross-sectional view at the middle BB.

[0023] Figure 5 yes Figure 4 Floor plan of location C in the middle.

[0024] As shown in the figure: 1. outer shell; 2. display screen; 3. adjustment knob; 4. chamber; 5. wire-receiving structure; 501. wire-receiving roller; 502. wire groove; 503. movable groove; 504. rotating groove; 505. connecting rod; 506. rotating rod; 507. rotating disk; 508. handle; 509. spring 1; 6. protective structure;

[0025] 601, protective shell; 602, boss; 603, through hole; 604, rubber sleeve; 605, clamping structure;

[0026] 6051, rotating shaft; 6052, clamping plate; 6053, rubber pad; 6054, spring 2; 7, test pen;

[0027] 8. Connecting wire; 9. Cavity. DETAILED DESCRIPTION

[0028] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figures 1 to 5 As shown, this embodiment proposes a special tool for weak current debugging, including an outer shell 1, a wire taking-up structure 5 and a protective structure 6. A display screen 2 is provided on one side of the top of the outer shell 1, and cavities 9 are provided on both sides of the other side. Adjustment knobs 3 are symmetrically provided between the two cavities 9 and the display screen 2. A receiving cavity 4 is provided at the bottom of the two cavities 9. There are two groups of wire taking-up structures 5, and the two groups of wire taking-up structures 5 are symmetrically arranged inside the receiving cavity 4. The outer walls of the two groups of wire taking-up structures 5 are respectively wrapped with connecting wires 8. There are two groups of protective structures 6, and the two groups of protective structures 6 are respectively arranged on both sides of the outer shell 1. Test pens 7 are respectively provided inside the two protective structures 6, and the ends of the two test pens 7 away from the protective structures 6 are respectively plugged with connecting wires 8.

[0032] Embodiment 2:

[0033] The scheme in Example 1 is further introduced below in combination with the specific working method, as described below for details: each group of wire-taking structures 5 includes a wire-taking roller 501, a movable groove 503, a connecting rod 505, a rotating rod 506, a rotating disk 507, a handle 508 and a spring 509, a movable groove 503 is provided at the center of the inner wall of the wire-taking roller 501, a spring 509 is provided on one side of the interior of the wire-taking roller 501, and a connecting rod 505 is provided on the other side, one end of the connecting rod 505 is fixedly connected to the rotating rod 506 on both sides, and the other end extends through the cavity 4 into the cavity 9 and is fixedly connected to the rotating disk 507, the top of the rotating disk 507 is fixedly connected to the handle 508, and a fixed structure is provided between the rotating disk 507 and the inner wall of the cavity 9.

[0034] Embodiment 3:

[0035] The scheme in Example 2 is further introduced below in combination with the specific working method, as described below for details: the two ends of the take-up roller 501 are respectively movably connected to the interior of the cavity 4, the outer wall of the take-up roller 501 is provided with a wire groove 502, the shape of the wire groove 502 is spiral, the wire groove 502 is adaptively connected to the connecting line 8, the shape of the movable groove 503 is annular, and the top two sides of the movable groove 503 are respectively provided with rotating grooves 504, the shapes of the two rotating grooves 504 are rectangular, and the two rotating grooves 504 are communicated with the movable groove 503, one end of the spring 1 509 is fixedly connected to the inner wall of the cavity 4, and the other end abuts the connecting rod 505, the separated ends of the two rotating rods 506 are respectively adaptively connected to the movable groove 503, and the two rotating rods 506 are respectively adaptively connected to the rotating groove 504, the fixing structure includes an insertion rod, and a plurality of equidistant slots are provided inside the rotating disk 507 and the cavity 9, and the insertion rod is used to fix the rotating disk 507 and the cavity 9.

[0036] The components of the wire-receiving structure 5 are relatively independent and easy to disassemble and replace. If a component is damaged or worn, the user can easily repair or replace it. Even if the spring 509 is damaged, the wire-receiving structure 5 can still lift the handle 508 and drive the wire-receiving roller 501 to reel in the wire through the cooperation of the rotating rod 506 and the rotating groove 504, thereby extending the service life of the entire tool.

[0037] Embodiment 4:

[0038] The scheme in Example 3 is further introduced below in combination with a specific working method, as described below: Each group of protective structures 6 includes a protective shell 601, a boss 602, a through hole 603, a rubber sleeve 604 and a clamping structure 605. The inner side of the protective shell 601 is provided with a boss 602, and the other side is provided with a through hole 603. Four groups of clamping structures 605 are respectively provided on the four sides of the side of the boss 602 away from the through hole 603. The inner wall of the through hole 603 is provided with a rubber sleeve 604. Each group of clamping structures 605 includes a protective shell 601, a boss 602, a through hole 603, a rubber sleeve 604, and a clamping structure 605. It includes a rotating shaft 6051, a clamping plate 6052, a rubber pad 6053 and a second spring 6054. One end of the rotating shaft 6051 is movably connected to the boss 602, and the other end is fixedly connected to the clamping plate 6052. A rubber pad 6053 is provided on one side of the clamping plate 6052 away from the rotating shaft 6051. A second spring 6054 is provided on one side of the clamping plate 6052 away from the rubber pad 6053. One end of the second spring 6054 is fixedly connected to the inner wall of the protective shell 601, and the other end is fixedly connected to the clamping plate 6052.

[0039] By inserting the test pen 7 into the through hole 603, a rubber sleeve 604 is provided inside the through hole 603 to avoid a rigid structure between the test pen tip and the inner wall of the through hole 603. Through four sets of clamping structures 605, not only the protective shell 601 can be adapted to test pens 7 of different diameters to increase the protective applicability, but also the stability of the test pen 7 when placed is ensured, thereby increasing the service life of the test pen 7.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0042] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A special tool for weak current debugging, characterized in that: include: An outer shell (1), wherein a display screen (2) is provided on one side of the top of the outer shell (1), and cavities (9) are provided on both sides of the other side, adjustment knobs (3) are symmetrically provided between the two cavities (9) and the display screen (2), and a receiving cavity (4) is provided at the bottom of the two cavities (9); A wire-receiving structure (5), wherein the number of the wire-receiving structures (5) is two groups, the two groups of wire-receiving structures (5) are symmetrically arranged inside the cavity (4), and the outer walls of the two groups of wire-receiving structures (5) are respectively wound with connecting wires (8); Protective structures (6), the number of the protective structures (6) is two groups, the two groups of protective structures (6) are respectively arranged on both sides of the outer shell (1), the insides of the two protective structures (6) are respectively provided with test pens (7), and the ends of the two test pens (7) away from the protective structures (6) are respectively plugged into connecting wires (8).

2. A special tool for weak current debugging according to claim 1, characterized in that: Each group of the wire-receiving structures (5) comprises a wire-receiving roller (501), a movable groove (503), a connecting rod (505), a rotating rod (506), a rotating disk (507), a handle (508) and a spring (509); a movable groove (503) is provided at the center of the inner wall of the wire-receiving roller (501); a spring (509) is provided on one side of the inner part of the wire-receiving roller (501); a connecting rod (505) is provided on the other side; one end of the connecting rod (505) is fixedly connected to the rotating rod (506) on both sides respectively, and the other end passes through the cavity (4) and extends into the cavity (9) and is fixedly connected to the rotating disk (507); the top of the rotating disk (507) is fixedly connected to the handle (508); and a fixing structure is provided between the rotating disk (507) and the inner wall of the cavity (9).

3. A special tool for weak current debugging according to claim 2, characterized in that: The two ends of the wire-receiving roller (501) are respectively movably connected to the interior of the cavity (4); a wire groove (502) is provided on the outer wall of the wire-receiving roller (501); the wire groove (502) is in a spiral shape; the wire groove (502) is adaptively connected to the connecting wire (8); the movable groove (503) is in a circular ring shape; rotating grooves (504) are respectively provided on both sides of the top of the movable groove (503); the two rotating grooves (504) are both in a rectangular shape; and the two rotating grooves (504) are in communication with the movable groove (503).

4. A special tool for weak current debugging according to claim 2, characterized in that: One end of the spring (509) is fixedly connected to the inner wall of the cavity (4), and the other end abuts against the connecting rod (505); the separated ends of the two rotating rods (506) are respectively adapted to be connected to the movable groove (503); and the two rotating rods (506) are respectively adapted to be connected to the rotating groove (504).

5. A special tool for weak current debugging according to claim 1, characterized in that: Each group of the protective structures (6) comprises a protective shell (601), a boss (602), a through hole (603), a rubber sleeve (604) and a clamping structure (605); a boss (602) is provided on one side of the interior of the protective shell (601), and a through hole (603) is provided on the other side; four groups of clamping structures (605) are respectively provided on four sides of a side of the boss (602) away from the through hole (603); and a rubber sleeve (604) is provided on the inner wall of the through hole (603).

6. A special tool for weak current debugging according to claim 5, characterized in that: Each group of the clamping structures (605) comprises a rotating shaft (6051), a clamping plate (6052), a rubber pad (6053) and a second spring (6054); one end of the rotating shaft (6051) is movably connected to the boss (602), and the other end is fixedly connected to the clamping plate (6052); a rubber pad (6053) is provided on one side of the end of the clamping plate (6052) away from the rotating shaft (6051); a second spring (6054) is provided on one side of the clamping plate (6052) away from the rubber pad (6053); one end of the second spring (6054) is fixedly connected to the inner wall of the protective shell (601), and the other end is fixedly connected to the clamping plate (6052).

Citation Information

Patent Citations

  • Special tool for weak current debugging

    CN219871420U