CN213813906U - Leakage current tester - Google Patents

Leakage current tester Download PDF

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Publication number
CN213813906U
CN213813906U CN202021955579.4U CN202021955579U CN213813906U CN 213813906 U CN213813906 U CN 213813906U CN 202021955579 U CN202021955579 U CN 202021955579U CN 213813906 U CN213813906 U CN 213813906U
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China
Prior art keywords
rod
shell
leakage current
pole
motion
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CN202021955579.4U
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Chinese (zh)
Inventor
李振华
高旭东
徐营
王晓龙
孙仙慧
栾海宏
丛林
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Liaoning Zichen Power Transmission And Transformation Construction Co ltd
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Liaoning Zichen Power Transmission And Transformation Construction Co ltd
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Priority to CN202021955579.4U priority Critical patent/CN213813906U/en
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Abstract

The utility model discloses a leakage current tester, concretely relates to current tester field, which comprises an outer shell, a side surface of shell is provided with the recess, the inside of recess is provided with the motion pole, motion pole and recess swing joint, the one end of motion pole is provided with the protection shield, a side surface of shell all is provided with voltage operation instrument and direct current voltmeter. The utility model discloses a be equipped with lifter and protection shield, compared with the prior art, can let the protection shield take place the motion through the motion pole, can let the protection shield remove the tip of voltage operation instrument and direct current voltmeter, and can let the lifter be located restriction pole one side through the threaded rod, and be close to the shell, can let the stable tip that is located voltage operation instrument and direct current voltmeter of protection shield, reduce the operation to voltage operation instrument and direct current voltmeter, improve the degree of accuracy of test, it is more convenient to use.

Description

Leakage current tester
Technical Field
The utility model relates to a current tester field, more specifically says, the utility model relates to a leakage current tester.
Background
The current tester is a portable rectifier instrument with high sensitivity and multi-range protection circuit. The method is characterized in that: the measuring range is wide, twenty measuring ranges are provided, the alternating current and direct current stray voltage and the stray current can be measured respectively, a power supply is not needed, and the method is safe and reliable.
The existing practical use process still has the defects, for example, in the test process, an operation tool is easy to touch, so that the operation tool is changed, the test accuracy is changed, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a leakage current tester, the utility model aims to solve the technical problem that: through being equipped with lifter and protection shield, compare with prior art, can let the stable tip that is located voltage operation instrument and direct current voltmeter of protection shield, reduce the operation to voltage operation instrument and direct current voltmeter, improve the degree of accuracy of test, it is more convenient to use.
In order to achieve the above object, the utility model provides a following technical scheme: a leakage current tester comprises a shell, wherein a groove is formed in one side surface of the shell, a moving rod is arranged inside the groove and movably connected with the groove, a protection plate is arranged at one end of the moving rod, and a voltage operation tool and a direct current voltmeter are arranged on one side surface of the shell;
the surface of motion pole is provided with the hole, the inside of hole is provided with the horizontal pole, horizontal pole and motion pole fixed connection, the outside of horizontal pole is provided with the sleeve, sleeve and horizontal pole swing joint, telescopic one side is provided with the restriction pole, restriction pole and sleeve fixed connection, the top of protection shield is provided with the lifter, the lifter is located one side of shell, the quantity of motion pole is four, four the motion pole is installed respectively in the four corners department of protection shield.
The specific implementation mode is as follows: can let the protection shield take place the motion through the motion pole, make the distance between protection shield and the shell enlarge, can let the protection shield remove the tip of voltage operation instrument and direct current voltmeter, reduce the arch on voltage operation instrument and direct current voltmeter surface, later can let the restriction pole become vertical state by the horizontality through telescopic rotation, can let the restriction pole erect on the motion pole, and can let the lifter downstream through the threaded rod, make the lifter be located restriction pole one side, and be close to the shell, can let the stable tip that is located voltage operation instrument and direct current voltmeter of protection shield, reduce the operation to voltage operation instrument and direct current voltmeter, improve the degree of accuracy of test, it is more convenient to use.
In a preferred embodiment, the top of the limiting rod is provided with a handle, the handle is fixedly connected with the limiting rod, and the top end of the handle extends to the top of the limiting rod, so that the handle is convenient to operate.
In a preferred embodiment, the voltage-operated means and the dc voltage meter each extend through a protective plate, which is in contact with the voltage-operated means and the dc voltage meter and which ensures a movement of the protective plate.
In a preferred embodiment, a connecting spring is arranged inside the groove, and the connecting spring is fixedly connected with the moving rod, so that the stability of connection is improved.
In a preferred embodiment, the top surface of the restraining bar is horizontally aligned with the top surface of the motion bar, and one end of the motion bar extends into the interior of the recess, stretching the connecting spring.
In a preferred embodiment, a sliding rod is arranged on one side of the top of the housing, the number of the sliding rods is two, and the two sliding rods are symmetrically arranged around the central axis of the lifting rod in the vertical direction.
In a preferred embodiment, the sliding rod is fixedly connected with the lifting rod, and the sliding rod is movably connected with the shell.
In a preferred embodiment, one side of the shell is provided with a threaded rod, the bottom end of the threaded rod extends to the position between the protection plate and the shell, and the threaded rod is in threaded connection with the lifting rod and can enable the lifting rod to move downwards.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with lifter and protection shield, compared with the prior art, can let the protection shield take place the motion through the motion pole, make the distance between protection shield and the shell enlarge, can let the protection shield remove the tip of voltage operation instrument and direct current voltmeter, reduce the arch on voltage operation instrument and direct current voltmeter surface, later can let the restriction lever become vertical state from the horizontal state through telescopic rotation, can let the restriction lever erect on the motion pole, and can let the lifter move down through the threaded rod, make the lifter be located restriction lever one side, and be close to the shell, can let the stable tip that is located voltage operation instrument and direct current voltmeter of protection shield, reduce the operation to voltage operation instrument and direct current voltmeter, improve the degree of accuracy of test, it is more convenient to use;
2. the utility model discloses a be equipped with slide bar and threaded rod, compare with prior art, because slide bar and threaded rod threaded connection can let guarantee the lifter downstream, the subsequent operation of being convenient for, and can drive the slide bar downstream through the lifter, improve the stability of motion.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the protection plate and the housing of the present invention.
Fig. 3 is a top view of the cross bar and the lifting bar of the present invention.
Fig. 4 is a side view of the handle and sleeve of the present invention.
The reference signs are: 1 shell, 2 grooves, 3 motion rods, 4 protection plates, 5 voltage operation tools, 6 direct current voltmeters, 7 holes, 8 cross rods, 9 sleeves, 10 limiting rods, 11 lifting rods, 12 handles, 13 connecting springs, 14 sliding rods and 15 threaded rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a leakage current tester, which comprises an outer shell 1, a side surface of shell 1 is provided with recess 2, the inside of recess 2 is provided with motion pole 3, motion pole 3 and recess 2 swing joint, the one end of motion pole 3 is provided with protection shield 4, a side surface of shell 1 all is provided with voltage operation instrument 5 and direct current voltmeter 6.
Referring to fig. 1 to 4 of the specification, a hole 7 is formed in the surface of a moving rod 3 of the leakage current tester of the embodiment, a cross rod 8 is arranged inside the hole 7, the cross rod 8 is fixedly connected with the moving rod 3, a sleeve 9 is arranged outside the cross rod 8, the sleeve 9 is movably connected with the cross rod 8, a limiting rod 10 is arranged on one side of the sleeve 9, the limiting rod 10 is fixedly connected with the sleeve 9, a lifting rod 11 is arranged at the top of the protection plate 4, the lifting rod 11 is located on one side of the housing 1, the number of the moving rods 3 is four, and the four moving rods 3 are respectively installed at four corners of the protection plate 4.
Further, a handle 12 is arranged on the top of the limiting rod 10, the handle 12 is fixedly connected with the limiting rod 10, and the top end of the handle 12 extends to the top of the limiting rod 10.
Further, the voltage operating means 5 and the dc voltage meter 6 both penetrate the protection plate 4, and the protection plate 4 is in contact with the voltage operating means 5 and the dc voltage meter 6.
Further, a connecting spring 13 is arranged inside the groove 2, and the connecting spring 13 is fixedly connected with the moving rod 3.
Further, the top surface of the restricting lever 10 is horizontally arranged in line with the top surface of the moving lever 3, and one end of the moving lever 3 extends to the inside of the groove 2.
Further, a sliding rod 14 is arranged on one side of the top of the housing 1, the number of the sliding rods 14 is two, and the two sliding rods 14 are symmetrically arranged around the central axis in the vertical direction of the lifting rod 11.
Further, the sliding rod 14 is fixedly connected with the lifting rod 11, and the sliding rod 14 is movably connected with the housing 1.
Further, one side of shell 1 is provided with threaded rod 15, the bottom of threaded rod 15 extends to between protection shield 4 and the shell 1, threaded rod 15 and lifter 11 threaded connection.
As shown in fig. 1 to 4, the embodiment specifically is: when the device is used, the device can carry out test work through the voltage operation tool 5 and the direct current voltmeter 6 on the surface of the shell 1, in the test process, the protection plate 4 moves towards one side, so that the distance between the protection plate 4 and the shell 1 is enlarged, because the protection plate 4 is fixedly connected with the motion rod 3, the motion rod 3 can simultaneously move through the motion of the protection plate 4, the length of the motion rod 3 in the groove 2 is reduced, the connecting spring 13 in the groove 2 is stretched to deform the connecting spring, in the motion process of the protection plate 4, the protection plate 4 is contacted with the voltage operation tool 5 and the direct current voltmeter 6, the motion of the protection plate 4 can be ensured, the protection plate 4 can move to the end parts of the voltage operation tool 5 and the direct current voltmeter 6, the bulges on the surfaces of the voltage operation tool 5 and the direct current voltmeter 6 are reduced, and the subsequent test is convenient, the holes 7 on the surface can be displayed by moving the moving rod 3, then the limiting rod 10 fixedly connected with the handle 12 can be driven to move by rotating the handle 12 at the top of the moving rod 3, the limiting rod 10 can be changed from a horizontal state to a vertical state, the limiting rod 10 can be erected at the top of the moving rod 3, because the sleeve 9 connected with the limiting rod 10 is movably connected with the cross rod 8, the limiting rod 10 can be rotated by rotating the sleeve 9, the limiting rod 10 can be ensured to be changed to the vertical state, then the threaded rod 15 is rotated, because the threaded rod 15 is in threaded connection with the lifting rod 11, the lifting rod 11 can be moved downwards by the rotating threaded rod 15, and the sliding rods 14 at two sides are driven to move, because the sliding rods 14 are movably connected with the shell 1, the stability of the movement of the lifting plate can be improved, and the distance between the lifting rod 11 and the moving rod 3 is reduced, can let lifter 11 and motion pole 3 contact, and make lifter 11 be located restriction pole 10 one side to being close to shell 1, can preventing that protection shield 4 from taking place to remove, improving the stability of protection shield 4, can letting the stable tip that is located voltage operation instrument 5 and direct current voltmeter 6 of protection shield 4, reduce the operation to voltage operation instrument 5 and direct current voltmeter 6, improve the degree of accuracy of test, it is more convenient to use.
The utility model discloses the theory of operation:
referring to the attached drawings 1 and 3-4 of the specification, the protection plate 4 can be moved by the moving rod 3, so that the distance between the protection plate 4 and the shell 1 is enlarged, the protection plate 4 can be moved to the end parts of the voltage operation tool 5 and the direct current voltmeter 6, the protrusions on the surfaces of the voltage operation tool 5 and the direct current voltmeter 6 are reduced, then the limiting rod 10 can be changed from a horizontal state to a vertical state by rotating the sleeve 9, the limiting rod 10 can be erected on the moving rod 3, the lifting rod 11 can be moved downwards by the threaded rod 15, the lifting rod 11 is positioned on one side of the limiting rod 10 and close to the shell 1, the protection plate 4 can be stably positioned at the end parts of the voltage operation tool 5 and the direct current voltmeter 6, the operation on the voltage operation tool 5 and the direct current voltmeter 6 is reduced, the test accuracy is improved, and the use is more convenient;
referring to the attached drawings 1-2 of the specification, as the sliding rod 14 is in threaded connection with the threaded rod 15, the lifting rod 11 can be ensured to move downwards, so that the subsequent operation is facilitated, and the sliding rod 14 can be driven to move downwards through the lifting rod 11, so that the movement stability is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A leakage current tester comprises a shell (1), and is characterized in that: a groove (2) is formed in the surface of one side of the shell (1), a moving rod (3) is arranged in the groove (2), the moving rod (3) is movably connected with the groove (2), a protection plate (4) is arranged at one end of the moving rod (3), and a voltage operation tool (5) and a direct current voltmeter (6) are arranged on the surface of one side of the shell (1);
the surface of motion pole (3) is provided with hole (7), the inside of hole (7) is provided with horizontal pole (8), horizontal pole (8) and motion pole (3) fixed connection, the outside of horizontal pole (8) is provided with sleeve (9), sleeve (9) and horizontal pole (8) swing joint, one side of sleeve (9) is provided with limiting rod (10), limiting rod (10) and sleeve (9) fixed connection, the top of protection shield (4) is provided with lifter (11), lifter (11) are located one side of shell (1), the quantity of motion pole (3) is four, four the four corners department at protection shield (4) is installed respectively in motion pole (3).
2. A leakage current tester according to claim 1, wherein: the top of the limiting rod (10) is provided with a handle (12), the handle (12) is fixedly connected with the limiting rod (10), and the top end of the handle (12) extends to the top of the limiting rod (10).
3. A leakage current tester according to claim 1, wherein: the voltage operating tool (5) and the direct-current voltmeter (6) penetrate through the protection plate (4), and the protection plate (4) is in contact with the voltage operating tool (5) and the direct-current voltmeter (6).
4. A leakage current tester according to claim 1, wherein: the inside of recess (2) is provided with connecting spring (13), connecting spring (13) and motion pole (3) fixed connection.
5. A leakage current tester according to claim 1, wherein: the top surface of the limiting rod (10) and the top surface of the moving rod (3) are horizontally arranged in a collinear way, and one end of the moving rod (3) extends to the inside of the groove (2).
6. A leakage current tester according to claim 1, wherein: the lifting device is characterized in that sliding rods (14) are arranged on one side of the top of the shell (1), the number of the sliding rods (14) is two, and the two sliding rods (14) are symmetrically arranged around the central axis in the vertical direction of the lifting rod (11).
7. A leakage current tester according to claim 6, wherein: the sliding rod (14) is fixedly connected with the lifting rod (11), and the sliding rod (14) is movably connected with the shell (1).
8. A leakage current tester according to claim 1, wherein: one side of shell (1) is provided with threaded rod (15), the bottom of threaded rod (15) extends to between protection shield (4) and shell (1), threaded rod (15) and lifter (11) threaded connection.
CN202021955579.4U 2020-09-09 2020-09-09 Leakage current tester Active CN213813906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021955579.4U CN213813906U (en) 2020-09-09 2020-09-09 Leakage current tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021955579.4U CN213813906U (en) 2020-09-09 2020-09-09 Leakage current tester

Publications (1)

Publication Number Publication Date
CN213813906U true CN213813906U (en) 2021-07-27

Family

ID=76952886

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021955579.4U Active CN213813906U (en) 2020-09-09 2020-09-09 Leakage current tester

Country Status (1)

Country Link
CN (1) CN213813906U (en)

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