Electric power detection and maintenance tool

Abstract

The utility model discloses an electric power detection and maintenance tool, relates to the field of maintenance tools, and aims to solve the problems that in the prior art, a tool bit of an existing screwdriver is inconvenient to replace, the length of a screwdriver body cannot be adjusted, and the screwdriver is inconvenient to use in a limited space. A fixed pipe is fixedly connected to the middle of the interior of the screwdriver grab handle, a rotating pipe is movably connected to the interior of the fixed pipe, a second internal thread part is arranged on the end face of the interior of the rotating pipe, one end of the rotating pipe extends out of one side of the fixed pipe and is fixedly connected with a rotating cap, and a fixed cover is connected to one side of the screwdriver grab handle; a circular opening is formed in the middle of the fixing cover, a screwdriver body is arranged on one side of the fixing cover, a second external thread part is arranged on the end face of the outer side of the screwdriver body, and one end of the screwdriver body penetrates through the circular opening to be inserted into the rotating pipe.

Description

Technical Field

[0001] The utility model relates to the field of maintenance tools, in particular to an electric power detection and maintenance tool. Background Art

[0002] Power equipment (power system) mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment mainly includes power station boilers, steam turbines, gas turbines, water turbines, generators, transformers, etc., and power supply equipment mainly includes transmission lines of various voltage levels, mutual inductors, contactors, etc.

[0003] Authorization announcement number CN 220179178 U, an electric power detection and maintenance tool. Its technical solution includes a sleeve, a mounting tube, a cone, a handle and a rotating tooth. The mounting tube is sleeved on the outside, a cover is provided on the upper end of the sleeve, a travel groove is provided inside the mounting tube, a cone is provided at the lower end of the mounting tube, a thread is provided on the outer wall of the upper end of the cone, a screw hole is provided inside the lower end of the sleeve, handles are provided at both ends of the sleeve, equidistantly distributed latching teeth are provided inside the sleeve, a mounting groove is provided on the outer wall of the mounting tube, and a rotating tooth is rotatably installed inside the mounting groove. The utility model uses a retractable cone and a sleeve that can rotate in the opposite direction while keeping the cone stable. It is flexible and practical to use a screwdriver to turn screws when space is limited. When stored, the storage space is reduced, and the cone is stored in the pocket of work clothes to avoid the risk of stabbing the staff.

[0004] Power equipment requires regular maintenance. When installing and maintaining power equipment in a cabinet, it is sometimes necessary to remove the outer wall shell of the equipment to observe the internal usage. The outer wall protective shell of the power equipment is usually connected by screwing screws, and the screws are installed by a screwdriver. The screwdriver is a kind of power maintenance equipment. The existing screwdriver is not convenient for replacing the blade head, and the length of the screwdriver body cannot be adjusted, which is not convenient for use in limited space. Therefore, the market urgently needs to develop an electric power detection and maintenance tool to help people solve the existing problems. Utility Model Content

[0005] The utility model aims to provide an electric power detection and maintenance tool to solve the problems in the prior art that the existing screwdrivers are inconvenient to replace the blade head, the length of the screwdriver body cannot be adjusted, and it is not convenient to use in a limited space.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric power detection and maintenance tool, comprising a screwdriver handle, a fixed tube is fixedly connected to the middle part of the screwdriver handle, one end of the fixed tube extends out of one side of the screwdriver handle and is provided with a first external threaded portion on the outer end face, the other end of the fixed tube extends to the end face of the other side of the screwdriver handle and is fixedly connected with an L-shaped cross-section annular limiting portion, a rotating tube is movably connected to the interior of the fixed tube, a second internal threaded portion is provided on the inner end face of the rotating tube, one end of the rotating tube extends out of one side of the fixed tube and is fixedly connected with a rotating cap, one side of the screwdriver handle is connected to a fixed cover, a circular opening is provided in the middle part of the fixed cover, a screwdriver body is provided on one side of the fixed cover, a second external threaded portion is provided on the outer end face of the screwdriver body, and one end of the screwdriver body passes through the circular opening and is inserted into the interior of the rotating tube.

[0007] Preferably, an L-shaped cross-section annular limiting groove is provided on one end surface of the rotating cap, and the L-shaped cross-section annular limiting portion on the fixed tube is placed inside the L-shaped cross-section annular limiting groove.

[0008] Preferably, a first internal threaded portion is provided on the inner end surface of the fixing cover, and the fixing cover is inserted into one side of the fixing pipe and is fixed by threading the first internal threaded portion with the first external threaded portion.

[0009] Preferably, four rectangular limiting plates are arranged in a circular array on one end surface inside the fixed tube.

[0010] Preferably, four limiting sliding grooves are provided in a common annular array on the outer end surface of the screwdriver body and the second external threaded portion.

[0011] Preferably, one end of the screwdriver body is inserted into the interior of the rotating tube to threadably connect the second external threaded portion with the second internal threaded portion.

[0012] Preferably, the four rectangular limiting plates slide into the four limiting sliding grooves respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, through the setting of the rotating tube, the fixed tube is movably connected with the rotating tube, the inner end surface of the rotating tube is provided with a second internal threaded portion, one end of the screwdriver body is inserted into the rotating tube and the second external threaded portion is threadedly connected with the second internal threaded portion, four rectangular limiting pieces slide into the four limiting slide grooves respectively, and the rotation of the screwdriver body is limited by the four rectangular limiting pieces. When the rotating tube rotates, the screwdriver body is driven to move, so that the screwdriver body can be retracted and extended into the rotating tube, and then the length of the screwdriver body at one end of the screwdriver handle is adjusted, so that it is suitable for use in limited space.

[0015] 2. In the utility model, through the setting of the fixing cover, one side of the screwdriver handle is connected with the fixing cover, and the inner end surface of the fixing cover is provided with a first internal threaded portion. The fixing cover is inserted into one side of the fixing tube and is threadedly connected and fixed with the first external threaded portion through the first internal threaded portion. When one end of the screwdriver body is inserted into the rotating tube, the second external threaded portion of the screwdriver body is limited by the fixing cover fixedly connected to the fixing tube to prevent the screwdriver body from falling off from one end of the fixing tube. At the same time, after the fixing cover is separated from the fixing tube, one end of the screwdriver body is moved out from the rotating tube for replacement.

[0016] 3. In the utility model, through the setting of the rotating cap, one end of the rotating tube extends out of one side of the fixed tube and is fixedly connected with the rotating cap, an L-shaped cross-section annular limiting groove is arranged on the end face of one side of the rotating cap, and the L-shaped cross-section annular limiting portion on the fixed tube is placed inside the L-shaped cross-section annular limiting groove, and the rotating tube is driven to rotate inside the fixed tube by rotating the rotating cap. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of an electric power detection and maintenance tool of the utility model;

[0018] Figure 2 It is the main sectional view of the utility model;

[0019] Figure 3 It is a side sectional view of the fixed cover of the utility model;

[0020] Figure 4 It is an enlarged view of the detail A of the present utility model.

[0021] In the figure: 1. screwdriver handle; 101. fixed tube; 102. first external threaded portion; 103. L-shaped cross-section annular limiting portion; 104. rectangular limiting piece; 2. rotating tube; 201. second internal threaded portion; 202. rotating cap; 203. L-shaped cross-section annular limiting groove; 3. fixed cover; 301. first internal threaded portion; 302. circular opening; 4. screwdriver body; 401. limiting slide groove; 402. second external threaded portion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-4The utility model provides an embodiment of an electric power detection and maintenance tool, including a screwdriver handle 1, a fixed tube 101 is fixedly connected to the middle part of the screwdriver handle 1, one end of the fixed tube 101 extends out of one side of the screwdriver handle 1 and is provided with a first external threaded portion 102 on the outer end surface, the other end of the fixed tube 101 extends to the end surface of the other side of the screwdriver handle 1 and is fixedly connected with an L-shaped cross-section annular limiting portion 103, a rotating tube 2 is movably connected to the fixed tube 101, and a second internal threaded portion 201 is provided on the inner end surface of the rotating tube 2, one end of the rotating tube 2 extends out of one side of the fixed tube 101 and is fixedly connected with a rotating cap 202, a fixed cover 3 is connected to one side of the screwdriver handle 1, a circular opening 302 is provided in the middle part of the fixed cover 3, a screwdriver body 4 is provided on one side of the fixed cover 3, a second external threaded portion 402 is provided on the outer end surface of the screwdriver body 4, and one end of the screwdriver body 4 passes through the circular opening 302 and is inserted into the rotating tube 2.

[0024] Furthermore, an L-shaped annular limiting groove 203 is provided on one end surface of the rotating cap 202, and the L-shaped annular limiting portion 103 on the fixed tube 101 is placed inside the L-shaped annular limiting groove 203, and the rotating tube 2 is driven to rotate by rotating the rotating cap 202.

[0025] Furthermore, a first internal threaded portion 301 is provided on the inner end surface of the fixing cover 3, and the fixing cover 3 is inserted into one side of the fixing tube 101 and is threadedly connected and fixed with the first external threaded portion 102 through the first internal threaded portion 301. When one end of the screwdriver body 4 is inserted into the rotating tube 2, the fixing cover 3 is fixedly connected to the fixing tube 101 to limit the second external threaded portion 402 of the screwdriver body 4 to prevent the screwdriver body 4 from falling off from one end of the fixing tube 101. At the same time, after the fixing cover 3 is separated from the fixing tube 101, one end of the screwdriver body 4 is removed from the rotating tube 2 for replacement.

[0026] Furthermore, four rectangular limiting pieces 104 are arranged in a circular array on one end surface of the interior of the fixing tube 101 .

[0027] Furthermore, four limiting sliding grooves 401 are provided in a circular array on the outer end surface of the screwdriver body 4 and the second external threaded portion 402 .

[0028] Furthermore, one end of the screwdriver body 4 is inserted into the rotating tube 2 so that the second external threaded portion 402 is threadedly connected with the second internal threaded portion 201 .

[0029] Furthermore, the four rectangular limit pieces 104 slide into the four limit slots 401 respectively, and the rotation of the screwdriver body 4 is limited by the four rectangular limit pieces 104. When the rotating tube 2 rotates, the screwdriver body 4 is driven to move, so that the screwdriver body 4 can be retracted and extended into the rotating tube 2, and then the length of the screwdriver body 4 at one end of the screwdriver handle 1 can be adjusted, so that it is suitable for use in limited space.

[0030] Working principle: When in use, insert one end of the screwdriver body 4 into the rotating tube 2 and make the second external threaded portion 402 threadedly connected with the second internal threaded portion 201, insert the circular opening 302 in the middle of the fixing cover 3 onto the screwdriver body 4, and make the fixing cover 3 be inserted into one side of the fixing tube 101 and be threadedly connected and fixed with the first external threaded portion 102 through the first internal threaded portion 301. When one end of the screwdriver body 4 is inserted into the rotating tube 2, the fixing cover 3 is fixedly connected to the fixing tube 101 to limit the second external threaded portion 402 of the screwdriver body 4, so as to prevent the screwdriver body 4 from slipping out of the fixing tube 101. When one end of the screwdriver body 4 falls off and the fixing cover 3 is separated from the fixing tube 101, one end of the screwdriver body 4 is removed from the inside of the rotating tube 2 for replacement. When one end of the screwdriver body 4 is inserted into the rotating tube 2, the four rectangular limiting pieces 104 slide into the four limiting slide grooves 401 respectively, and the rotation of the screwdriver body 4 is limited by the four rectangular limiting pieces 104. When the rotating tube 2 rotates, the screwdriver body 4 is driven to move, so that the screwdriver body 4 is retracted and extended out of the rotating tube 2, and then the length of the screwdriver body 4 at one end of the screwdriver handle 1 is adjusted, so that it is suitable for use in limited space.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An electric power detection and maintenance tool, comprising a screwdriver handle (1), characterized in that: A fixed tube (101) is fixedly connected to the middle of the screwdriver handle (1), one end of the fixed tube (101) extends out of one side of the screwdriver handle (1) and is provided with a first external threaded portion (102) on the outer end surface, the other end of the fixed tube (101) extends to the other end surface of the screwdriver handle (1) and is fixedly connected to an L-shaped cross-section annular limiting portion (103), the fixed tube (101) is movably connected to a rotating tube (2) inside, and the internal end surface of the rotating tube (2) is provided with a second internal threaded portion (102). 201), one end of the rotating tube (2) extends out of one side of the fixed tube (101) and is fixedly connected to a rotating cap (202), one side of the screwdriver handle (1) is connected to a fixed cover (3), a circular opening (302) is provided in the middle of the fixed cover (3), a screwdriver body (4) is provided on one side of the fixed cover (3), a second external threaded portion (402) is provided on the outer end surface of the screwdriver body (4), and one end of the screwdriver body (4) passes through the circular opening (302) and is inserted into the interior of the rotating tube (2).

2. The power detection and maintenance tool according to claim 1, characterized in that: An L-shaped cross-section annular limiting groove (203) is provided on one end surface of the rotating cap (202), and the L-shaped cross-section annular limiting portion (103) on the fixed tube (101) is placed inside the L-shaped cross-section annular limiting groove (203).

3. The power detection and maintenance tool according to claim 1, characterized in that: A first internal threaded portion (301) is provided on the inner end surface of the fixing cover (3), and the fixing cover (3) is inserted into one side of the fixing tube (101) and is threadably connected and fixed with the first external threaded portion (102) through the first internal threaded portion (301).

4. The power detection and maintenance tool according to claim 1, characterized in that: Four rectangular limiting pieces (104) are arranged in a circular array on one end surface of the interior of the fixed tube (101).

5. The power detection and maintenance tool according to claim 4, characterized in that: Four limiting sliding grooves (401) are provided in a common annular array on the outer end surface of the screwdriver body (4) and the second external threaded portion (402).

6. The power detection and maintenance tool according to claim 5, characterized in that: One end of the screwdriver body (4) is inserted into the interior of the rotating tube (2) so that the second external threaded portion (402) is threadedly connected with the second internal threaded portion (201).

7. The power detection and maintenance tool according to claim 6, characterized in that: The four rectangular limiting plates (104) slide into the four limiting sliding grooves (401) respectively.

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