Fault detection tool for electrical circuit

Abstract

The utility model discloses a fault detection tool used for an electrical circuit, comprising a test pencil, the test pencil comprises an insulation housing and a metal probe, the metal probe is plugged with the output end of the insulation housing, the output end of the insulation housing comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the metal probe. An adjusting opening is formed between the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod are arranged as the output ends of the insulating shell, and an insulating block and a metal block are attached to the inner wall of the adjusting opening in a matched mode, so that the fault detection tool test pencil has the switching insulation protection effect, and the practicability of the device is improved; in addition, the insulating block and the metal block can be rapidly switched through rotation of the rotating sleeve and the connecting rod, the use convenience of the device is improved, meanwhile, the opposite faces of the first connecting rod and the second connecting rod can limit the state of the insulating block and the metal block located in the adjusting opening through clamping balls, and the carrying stability is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical detection tool field, in particular to a kind of fault detection tools for electrical circuit. BACKGROUND

[0002] The fault detection tool for electrical circuit is a series of instruments and equipment that can help technicians quickly and accurately locate various abnormal conditions in electrical circuit, including multimeter, megohmmeter (oscillating meter), clamp ammeter, test pen, oscilloscope and the like.

[0003] There are some limitations in the existing use process of test pen: in the ultra-high voltage substation, high-voltage transmission line maintenance scene, the surrounding electric field intensity is extremely high, even if test pen is in non-use state, there is also potential electric shock threat to operating personnel due to induced charge gathering in detection end;

[0004] Therefore, a kind of fault detection tools for electrical circuit is proposed. UTILITY MODEL CONTENT

[0005] To solve the problems raised in the above background art, the utility model provides a kind of fault detection tools for electrical circuit.

[0006] The technical scheme of the utility model is:

[0007] A kind of fault detection tools for electrical circuit, including test pen, the test pen includes insulating shell, metal probe, the metal probe is inserted with the output end of insulating shell, the output end of insulating shell includes first connecting rod, second connecting rod, adjusting port is provided between the first connecting rod and second connecting rod, the metal probe is inserted with the end of second connecting rod away from first connecting rod, the opposite end top surface of first connecting rod and second connecting rod is fixedly connected with knob, the surface of knob is fixedly connected with connecting rod, the outer surface of connecting rod is sleeved with rotating sleeve, the rotating sleeve is fixedly connected with the insulating block and metal block that are symmetrically arranged, the insulating block and metal block are attached to adjusting port.

[0008] In further technical scheme, the opposite surface of first connecting rod and second connecting rod is all provided with circumferentially distributed sliding port, the opening of sliding port is all inserted with clamping ball, the surface of clamping ball is fixedly connected with spring between the end of sliding port, the surface of insulating block and metal block is all provided with circumferentially distributed, and the surface of clamping ball away from spring is clamped.

[0009] Through the technical scheme, the ball is removed from the middle of the insulation block and the metal block, and is pressed against the inner wall of the sliding port by the spring, and after the insulation block and the metal block are adjusted and positioned in the inner wall of the adjusting port, the ball is reset and pushed into the inner wall for clamping.

[0010] In a further technical scheme, the upper part of the first connecting rod and the second connecting rod is clamped with an anti-skid sleeve, the top ends of the two anti-skid sleeves are fixedly connected with a protective sleeve, the bottom surface of the protective sleeve is provided with a clamping groove, and the clamping groove is matched with the insulation block and the metal block.

[0011] Through the technical scheme, when the protective sleeve is used, the anti-skid sleeve is directly sleeved on the outer surfaces of the first connecting rod and the second connecting rod, and then the clamping groove can be sleeved on the surfaces of the insulation block and the metal block above the first connecting rod and the second connecting rod for protection and limiting.

[0012] In a further technical scheme, the surface of the protective sleeve is fixedly connected with symmetrical hinge blocks, the hinge blocks are hingedly connected with a rotating bolt, the surface of the rotating bolt is provided with a mounting port, the surface of the mounting port is clamped with a mounting seat, and the surface of the mounting seat is glued with a lighting lamp.

[0013] Through the technical scheme, the lighting lamp can be installed on one side of the protective sleeve, so that the use of the protective sleeve has the effect of illuminating the detection tool, the mounting seat and the lighting lamp are glued, the lighting lamp can be connected by double-sided adhesive tape, the lighting lamp can be conveniently replaced for use, and the problem of no power supply is avoided. In addition, when the protective sleeve is removed and the detection tool is used alone, the protective sleeve can be placed aside and illuminated by the lighting lamp.

[0014] In a further technical scheme, the two ends of the mounting port are fixedly connected with plug blocks, the two ends of the mounting seat are provided with plug ports, and the plug ports are clamped with the plug blocks.

[0015] Through the technical scheme, the plug blocks and the plug ports are arranged, so that the mounting seat can be conveniently disassembled and assembled.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The first connecting rod and the second connecting rod are arranged as output ends of the insulating shell, and the inner wall of the adjusting port is matched with the insulation block and the metal block, so that the fault detection tool, i.e. the test pen, has the effect of switching insulation protection, the practicability of the device is improved, the insulation block and the metal block can be quickly switched by the rotation of the rotating sleeve and the connecting rod, the convenience of using the device is improved, the relative surfaces of the first connecting rod and the second connecting rod can be limited by the ball to keep the stability of carrying the insulation block and the metal block in the adjusting port.

[0018] 2, the additional protective sleeve can have a clamping position outside the insulating block, metal block wear effect, while the protective sleeve is not removed and removed state, can have the lighting effect, so that the detection device in the dark environment convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall structure of the present utility model schematic diagram;

[0020] Figure 2 is the assembly structure schematic diagram of the first connecting rod, second connecting rod and protective sleeve of the present utility model;

[0021] Figure 3 is the structure schematic diagram of the insulating block and metal block of the present utility model;

[0022] Figure 4 is the assembly structure schematic diagram of the insulating block, metal block and connecting rod of the present utility model;

[0023] Figure 5 is the present utility model Figure 4 enlarged structure schematic diagram of A place in the present utility model;

[0024] Figure 6 is the assembly structure schematic diagram of the illuminating lamp and mounting port of the present utility model.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, insulating shell;2, metal probe;31, first connecting rod;32, second connecting rod;33, adjusting port;4, rotating block;5, connecting rod;6, rotating sleeve;7, insulating block;8, metal block;9, clamping groove;10, sliding port;11, spring;12, clamping ball;13, protective sleeve;14, anti-skid sleeve;15, clamping groove;16, hinged block;17, rotating bolt;18, mounting port;19, mounting seat;20, illuminating lamp;21, plug-in block;22, plug-in port. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects of the present utility model easy to understand, the present utility model is further described below in conjunction with specific embodiments.

[0028] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it is necessary to explain that, unless otherwise expressly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Embodiment:

[0031] Please refer to Figures 1-6 A fault detection tool for electrical circuit, including test pen, test pen includes insulating shell 1, metal probe 2, metal probe 2 is connected with the output end of insulating shell 1, the output end of insulating shell 1 includes first connecting rod 31, second connecting rod 32, first connecting rod 31 and second connecting rod 32 are provided with adjusting port 33, metal probe 2 and the one end of second connecting rod 32 away from first connecting rod 31 are inserted and matched, the opposite end top surface of first connecting rod 31 and second connecting rod 32 is fixedly connected with rotating block 4, the surface of rotating block 4 is fixedly connected with connecting rod 5, the outer surface of connecting rod 5 is sleeved with rotating sleeve 6, rotating sleeve 6 is fixedly connected with symmetrically arranged insulating block 7 and metal block 8, and insulating block 7 and metal block 8 are attached to adjusting port 33.

[0032] Please refer to Figure 4 And Figure 5 The opposite surface of first connecting rod 31 and second connecting rod 32 is provided with circumferentially distributed sliding port 10, the opening of sliding port 10 is inserted with clamping ball 12, spring 11 is fixedly connected between the surface of clamping ball 12 and the end of sliding port 10, and the surface of insulating block 7 and metal block 8 is provided with circumferentially distributed 9, and 9 is clamped with the surface of clamping ball 12 away from spring 11.

[0033] In the process of switching the insulating block 7 and the metal block 8, the clamping ball 12 is moved out of 9, on the plane of the insulating block 7 and the metal block 8, and then the clamping ball 12 is pressed against the inner wall of the sliding port 10 by the spring 11, and when the insulating block 7 and the metal block 8 are adjusted to be in place in the adjusting port 33, the clamping ball 12 is reset by the spring 11 and pushed into the inner wall of 9 for clamping.

[0034] Please refer to Figure 2 and Figure 4 The upper part of the first connecting rod 31 and the second connecting rod 32 is clamped with the anti-skid sleeve 14, the top ends of the two anti-skid sleeves 14 are fixedly connected with the protective sleeve 13, the bottom surface of the protective sleeve 13 is provided with the clamping groove 15, and the clamping groove 15 is matched with the insulating block 7 and the metal block 8.

[0035] When the protective sleeve 13 is used, the anti-skid sleeve 14 is directly sleeved on the outer surface of the first connecting rod 31 and the second connecting rod 32, and then the clamping groove 15 can be sleeved on the surface of the insulating block 7 and the metal block 8 above the first connecting rod 31 and the second connecting rod 32 for protection and limiting.

[0036] Please refer to Figure 1 and Figure 6 The surface of the protective sleeve 13 is fixedly connected with the symmetrical hinge block 16, the two hinge blocks 16 are hingedly connected with the rotating bolt 17, the surface of the rotating bolt 17 is provided with the mounting port 18, the surface of the mounting port 18 is clamped with the mounting seat 19, and the surface of the mounting seat 19 is glued with the illuminating lamp 20.

[0037] By installing the hingeable illuminating lamp 20 on one side of the protective sleeve 13, the use of the protective sleeve 13 can have the effect of illuminating the detection tool, and the mounting seat 19 and the illuminating lamp 20 are glued and connected by double-sided adhesive, so that the illuminating lamp 20 can be conveniently replaced for use, and the problem of no power supply is avoided. In addition, when the protective sleeve 13 is removed and the detection tool is used alone, the protective sleeve 13 can be placed aside and illuminated by the illuminating lamp 20.

[0038] Please refer to Figure 1 and Figure 6 Both ends of the mounting port 18 are fixedly connected with the plug block 21, both ends of the mounting seat 19 are provided with the plug port 22, and the plug port 22 is clamped with the plug block 21.

[0039] By setting the plug block 21 and the plug port 22, the mounting seat 19 can be conveniently disassembled and assembled.

[0040] When testing electricity, hold the insulating shell 1, and move the insulating block 7 to replace the metal block 8 in the position of the inner wall of the adjusting port 33 to adhere to the opposite surfaces of the first connecting rod 31 and the second connecting rod 32, to realize the use state of metal connection, when not testing electricity, move the insulating block 7 to the inner wall of the adjusting port 33, and if lighting is needed in the process, adjust the illumination angle of the illuminating lamp 20 to provide sufficient light for the detection point, and assist in viewing the line details and detection conditions.

[0041] The above-described embodiments only express the specific implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A fault detection tool for electrical lines comprising a test pen, said test pen comprising an insulated housing (1), a metal probe (2) which is plugged to the output of the insulated housing (1), characterized in that, The output end of the insulating shell (1) comprises a first connecting rod (31) and a second connecting rod (32), an adjusting opening (33) is arranged between the first connecting rod (31) and the second connecting rod (32), the metal probe (2) is inserted and matched with one end of the second connecting rod (32) away from the first connecting rod (31), the opposite ends of the first connecting rod (31) and the second connecting rod (32) are fixedly connected with rotating blocks (4), the surface of the rotating block (4) is fixedly connected with connecting rods (5), the outer surface of the connecting rod (5) is sleeved with a rotating sleeve (6), the rotating sleeve (6) is fixedly connected with symmetrically arranged insulating blocks (7) and metal blocks (8), and the insulating blocks (7) and the metal blocks (8) are attached to the adjusting opening (33).

2. A fault detection tool for electrical wiring as claimed in claim 1, wherein, The opposite surfaces of the first connecting rod (31) and the second connecting rod (32) are both provided with circumferentially distributed sliding openings (10), the sliding openings (10) are both inserted with clamping balls (12), the surface of the clamping ball (12) is fixedly connected with the end of the sliding opening (10) through a spring (11), and the surfaces of the insulating blocks (7) and the metal blocks (8) are both provided with circumferentially distributed (9), which is clamped with the surface of the clamping ball (12) away from the spring (11).

3. A fault detection tool for electrical wiring as defined in claim 1, wherein, The upper part between the first connecting rod (31) and the second connecting rod (32) is clamped with anti-skid sleeves (14), the top ends of the two anti-skid sleeves (14) are fixedly connected with a protective sleeve (13), the bottom surface of the protective sleeve (13) is provided with a clamping groove (15), and the clamping groove (15) is inserted and matched with the insulating blocks (7) and the metal blocks (8).

4. A fault detection tool for electrical wiring as claimed in claim 3, wherein, The surface of the protective sleeve (13) is fixedly connected with symmetrically arranged hinged blocks (16), the two hinged blocks (16) are hingedly connected with a rotating bolt (17), the surface of the rotating bolt (17) is provided with a mounting opening (18), the surface of the mounting opening (18) is clamped with a mounting seat (19), and the surface of the mounting seat (19) is glued with a lighting lamp (20).

5. A fault detection tool for electrical wiring as claimed in claim 4, wherein, The both ends of the mounting opening (18) are fixedly connected with plug blocks (21), the both ends of the mounting seat (19) are provided with plug openings (22), and the plug openings (22) are clamped with the plug blocks (21).

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