CN213813907U - Leakage current tester - Google Patents

Abstract

The utility model discloses a leakage current tester, the power distribution box comprises a box body, inner box wall bottom fixedly connected with I-shaped piece, I-shaped piece outer wall one side is rotated and is connected with first pole, first pole is kept away from I-shaped piece one end and is rotated and be connected with the second pole, second pole outer wall one side is rotated and is connected with the connecting block, the second pole is kept away from first pole one end and is rotated and be connected with the third pole, the inside division of third pole has first spout, the inside sliding connection of first spout has the traveller. The utility model discloses a transmission structure for when the leakage current tester met the vibration of direction from top to bottom, the second board can carry out the first reduction to the vibration, and the first board can drive the slight removal from top to bottom of leakage current tester, and the first board can drive first spring compression or extension through transmission structure, thereby will vibrate and relieve, and this device reduces through the vibration of six directions about the upper and lower that transmission structure met leakage current tester.

Description

Leakage current tester

Technical Field

The utility model relates to a current tester shock attenuation technical field, concretely relates to leakage current tester.

Background

The leakage current is a current formed between metal parts electrically insulated from each other or between a charged part and a grounded part through a medium or an insulating surface around the charged part in the absence of a fault-applied voltage, and is referred to as a leakage current. According to the us UL standard, leakage current is a current that can be conducted from a household appliance accessible portion, including capacitive coupling current, and the leakage current tester is mainly composed of impedance conversion, range conversion, ac/dc conversion, amplification, indication devices, and the like. Some of the devices also have overcurrent protection, an audible and visual alarm circuit and a test voltage adjusting device, and the indicating devices of the devices are analog and digital.

However, when the leakage current tester is actually used, the existing leakage current tester has the main technical problems that internal parts are damaged due to transportation vibration in the transportation process, so that the leakage current tester cannot be used and needs to be maintained, and the service life is influenced.

Therefore, it is necessary to invent a leakage current tester to solve the above problems.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leakage current tester crosses the vibration that transmission structure encountered six directions around about to the leakage current tester and cuts down to this effect that reaches the protection leakage current tester in the vibration, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a leakage current tester comprises a box body, wherein an I-shaped block is fixedly connected to the bottom of the inner wall of the box body, a first rod is rotatably connected to one side of the outer wall of the I-shaped block, a second rod is rotatably connected to one end, away from the I-shaped block, of the first rod, a connecting block is rotatably connected to one side of the outer wall of the second rod, a third rod is rotatably connected to one end, away from the first rod, of the second rod, a first sliding groove is formed in the third rod, a sliding column is slidably connected to the inner portion of the first sliding groove, a positioning block is fixedly connected to one end, away from the third rod, of the sliding column, a first spring is arranged on the outer portion of the sliding column, one end of the first spring is fixedly connected with the third rod, the other end of the first spring is fixedly connected with the positioning block, the positioning block is fixedly connected with the inner wall of the box body, a T-shaped block is fixedly connected to the top of the connecting block, a first plate is arranged on the top of the positioning block, a second plate is provided with a second sliding groove on the bottom of the first plate, the second sliding groove is connected with the T-shaped block in a sliding mode, the second plate is fixedly connected to the top of the first plate, the leakage current tester is arranged at the top of the second plate, the second springs are fixedly connected to four sides of the inner wall of the box body, a cylinder is arranged inside each second spring, one end, away from the box body, of each cylinder is connected with a clamping block in a sliding mode, and the clamping blocks are fixedly connected with the second springs.

Preferably, the inside exhaust vent that has all run through of first board and second inboard, the quantity of exhaust vent sets up to a plurality ofly, and a plurality of exhaust vents are rectangular array and distribute inside first board and second inboard.

Preferably, a fan is arranged at the bottom of the first plate and fixedly connected with the box body, and a switch cover is hinged to the top of the box body.

Preferably, the box both sides all open and have the fresh air inlet, the quantity of fresh air inlet sets up to a plurality ofly, and a plurality of fresh air inlets are rectangular array and distribute in the box both sides.

Preferably, the number of the first rods is two, and the two first rods are symmetrically distributed at two ends of the I-shaped block.

Preferably, the number of the I-shaped blocks is two, and the two I-shaped blocks are symmetrically distributed at the bottom of the inner wall of the box body.

Preferably, the number of the second rods is two, and the two second rods are symmetrically distributed on two sides of the first rod.

Preferably, the second plate is a foam member.

In the technical scheme, the utility model provides a technological effect and advantage:

through the transmission structure, when making the leakage current tester meet the vibration of direction from top to bottom, the second board can carry out the first reduction to the vibration, first board can drive the slight removal from top to bottom of leakage current tester, first board can drive first spring compression or extension through the transmission structure, thereby will vibrate the buffering, when meeting the vibration of direction all around, the second spring can extend or shorten, the second spring will press from both sides tight piece and tightly laminate on the leakage current tester shell, fix a position the leakage current tester, this device cuts down the vibration of six directions all around about the upper and lower that the leakage current tester meets through the transmission structure, with this effect that reaches the protection leakage current tester in the vibration, this buffering is effectual, the life of leakage current tester has been improved greatly.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.

FIG. 1 is a schematic view of the internal structure of the case of the present invention;

fig. 2 is a schematic view of the connection between the T-shaped block and the second chute of the present invention;

FIG. 3 is a schematic view of the connection of the transmission structure of the present invention;

fig. 4 is a perspective view of the present invention.

Description of reference numerals:

the device comprises a box body 1, an I-shaped block 2, a first rod 3, a second rod 4, a connecting block 5, a third rod 6, a first sliding groove 7, a sliding column 8, a positioning block 9, a first spring 10, a T-shaped block 11, a first plate 12, a second sliding groove 13, a second plate 14, a leakage current tester 15, a second spring 16, a cylinder 17, a clamping block 18, an air outlet hole 19, a fan 20, a switch cover 21 and an air inlet hole 22.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a leakage current tester as shown in figures 1-4, which comprises a box body 1, an I-shaped block 2 is fixedly connected at the bottom of the inner wall of the box body 1, one side of the outer wall of the I-shaped block 2 is rotatably connected with a first rod 3, one end of the first rod 3, which is far away from the I-shaped block 2, is rotatably connected with a second rod 4, one side of the outer wall of the second rod 4 is rotatably connected with a connecting block 5, one end of the second rod 4, which is far away from the first rod 3, is rotatably connected with a third rod 6, a first chute 7 is arranged inside the third rod 6, a sliding column 8 is slidably connected inside the first chute 7, one end of the sliding column 8, which is far away from the third rod 6, is fixedly connected with a positioning block 9, a first spring 10 is arranged outside the sliding column 8, one end of the first spring 10 is fixedly connected with the third rod 6, the other end of the first spring 10 is fixedly connected with the positioning block 9, the positioning block 9 is fixedly connected with the inner wall of the box body 1, the top of the connecting block 5 is fixedly connected with a T-shaped block 11, the top of the positioning block 9 is provided with a first plate 12, the bottom of the first plate 12 is provided with a second sliding groove 13, the second sliding groove 13 is in sliding connection with the T-shaped block 11, the top of the first plate 12 is fixedly connected with a second plate 14, the top of the second plate 14 is provided with a leakage current tester 15, four sides of the inner wall of the box body 1 are fixedly connected with second springs 16, a cylinder 17 is arranged inside the second springs 16, one end, far away from the box body 1, of the cylinder 17 is connected with a clamping block 18 in a sliding mode, and the clamping block 18 is fixedly connected with the second springs 16.

Further, in above-mentioned technical scheme, exhaust vent 19 has all been run through to first board 12 and second board 14 inside, exhaust vent 19's quantity sets up to a plurality ofly, and a plurality of exhaust vents 19 are rectangular array and distribute inside first board 12 and second board 14, and the air current that blows off fan 20 leads the bottom of leakage current tester 15 through exhaust vent 19, dispels the heat to leakage current tester 15.

Further, in the above technical solution, the bottom of the first plate 12 is provided with a fan 20, the fan 20 is fixedly connected with the box body 1, the top of the box body 1 is hinged with a switch cover 21, and external air is sucked into the box body 1 through the fan 20 to dissipate heat of the leakage current tester 15.

Further, in the above technical solution, the box body 1 is provided with a plurality of air inlet holes 22 on both sides, the plurality of air inlet holes 22 are distributed on both sides of the box body 1 in a rectangular array, and external air enters the box body 1 through the air inlet holes 22.

Further, in above-mentioned technical scheme, the quantity of first pole 3 sets up to two, and two first poles 3 symmetric distribution are in the two ends of I-shaped block 2, through two first poles 3, improve the stability that first board 12 goes up and down.

Further, in the above technical scheme, the number of the i-shaped blocks 2 is two, the two i-shaped blocks 2 are symmetrically distributed at the bottom of the inner wall of the box body 1, and the lifting stability of the first plate 12 is improved through the two i-shaped blocks 2.

Further, in the above technical solution, the number of the second rods 4 is two, and the two second rods 4 are symmetrically distributed on two sides of the first rod 3, so that the stability of the first rod 3 and the third rod 6 during movement is improved by the two second rods 4.

Further, in the above technical solution, the second plate 14 is a foam member, and the second plate 14 is a foam member to alleviate the vibration of the leakage current tester 15 in the vertical direction, so as to prevent the casing of the leakage current tester 15 from being damaged.

The implementation mode is specifically as follows: firstly, a leakage current tester 15 is placed right above a box body 1, then the leakage current tester 15 is slowly moved to a second plate 14, in the process that the leakage current tester 15 is moved to the second plate 14, a clamping block 18 is extruded to the inner wall direction of the box body 1, the clamping block 18 drives a second spring 16 to compress, when the leakage current tester 15 is placed on the second plate 14, the leakage current tester 15 drives the second plate 14 to descend due to the self weight, the second plate 14 drives a first plate 12 to descend, the first plate 12 drives a T-shaped block 11 to descend, the T-shaped block 11 drives a positioning block 9 to descend, the positioning block 9 drives a first rod 3 and a second rod 4, the first rod 3 drives the positioning block 9 to drive the T-shaped block 11 to slide in a second sliding groove 13, the second rod 4 drives a third rod 6 to move, the third rod 6 drives a first spring 10 to compress, a sliding column 8 slides in the first sliding groove 7, the four clamping blocks 18 clamp the leakage current tester 15 through the elastic force of the second spring 16, when the leakage current tester 15 vibrates vertically, the first spring 10 is compressed to different lengths through the transmission structure, so as to buffer the vibration in the vertical direction encountered by the leakage current tester 15, when the leakage current tester 15 vibrates in the front, back, left and right directions, the length of the second spring 16 is changed, the clamping blocks 18 are tightly attached to the shell of the leakage current tester 15, meanwhile, the influence of the vibration on the leakage current tester 15 is reduced, through the transmission structure, when the leakage current tester 15 vibrates vertically, the second plate 14 can primarily reduce the vibration, the first plate 12 can drive the leakage current tester 15 to slightly move vertically, the first plate 12 can drive the first spring 10 to compress or extend through the transmission structure, thereby will vibrate and relieve, when running into the vibration of all directions, second spring 16 can extend or shorten, second spring 16 will press from both sides tight piece 18 and tightly laminate on leakage current tester 15 shell, fix a position leakage current tester 15, this device cuts down the vibration of six directions around about the upper and lower that leakage current tester 15 meets with through transmission structure, thereby reach the effect of protecting leakage current tester 15 in the vibration, this buffering is effectual, leakage current tester 15's life has been improved greatly, this embodiment has specifically solved leakage current tester 15 that exists among the prior art usually at the in-process of transportation, can lead to inside spare part to appear damaging because the vibration of transportation, lead to unable use, need the maintenance, influence life's problem.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, firstly, a leakage current tester 15 is placed right above a box body 1, then the leakage current tester 15 is slowly moved to a second plate 14, in the process that the leakage current tester 15 is moved to the second plate 14, a clamping block 18 is extruded towards the inner wall direction of the box body 1, the clamping block 18 drives a second spring 16 to compress, when the leakage current tester 15 is placed on the second plate 14, the leakage current tester 15 drives the second plate 14 to descend due to the self weight, the second plate 14 drives a first plate 12 to descend, the first plate 12 drives a T-shaped block 11 to descend, the T-shaped block 11 drives a positioning block 9 to descend, the positioning block 9 drives a first rod 3 and a second rod 4, the first rod 3 drives the positioning block 9 to drive the T-shaped block 11 to slide in a second sliding chute 13, the second rod 4 drives a third rod 6 to move, the third rod 6 drives the first spring 10 to compress, the traveller 8 slides to first spout 7, four press from both sides tight piece 18 and press from both sides tight leakage current tester 15 through the elasticity of second spring 16, when leakage current tester 15 appears the vibration of upper and lower direction, first spring 10 can compress to different length through the transmission structure, thereby the vibration of upper and lower direction that leakage current tester 15 met is fallen in the buffering, when leakage current tester 15 appears the vibration of left and right sides direction all around, second spring 16 can alternate the length, will press from both sides tight piece 18 and tightly paste on leakage current tester 15 shell, reduce the influence of vibration to leakage current tester 15 simultaneously.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

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. The utility model provides a leakage current tester, includes box (1), its characterized in that: the box body (1) is characterized in that an I-shaped block (2) is fixedly connected to the bottom of the inner wall of the box body (1), one side of the outer wall of the I-shaped block (2) is rotatably connected with a first rod (3), one end, far away from the I-shaped block (2), of the first rod (3) is rotatably connected with a second rod (4), one side of the outer wall of the second rod (4) is rotatably connected with a connecting block (5), one end, far away from the first rod (3), of the second rod (4) is rotatably connected with a third rod (6), a first sliding chute (7) is formed in the third rod (6), a sliding column (8) is slidably connected in the first sliding chute (7), one end, far away from the third rod (6), of the sliding column (8) is fixedly connected with a positioning block (9), a first spring (10) is arranged outside the sliding column (8), one end of the first spring (10) is fixedly connected with the third rod (6), and the other end of the first spring (10) is fixedly connected with the positioning block (9), the positioning block (9) is fixedly connected with the inner wall of the box body (1), the T-shaped block (11) is fixedly connected to the top of the connecting block (5), the first plate (12) is arranged at the top of the positioning block (9), the second sliding groove (13) is formed in the bottom of the first plate (12), the second sliding groove (13) is slidably connected with the T-shaped block (11), the second plate (14) is fixedly connected to the top of the first plate (12), the leakage current tester (15) is arranged at the top of the second plate (14), the second springs (16) are fixedly connected to the four sides of the inner wall of the box body (1), cylinders (17) are arranged inside the second springs (16), one ends of the cylinders (17) far away from the box body (1) are slidably connected with clamping blocks (18), and the clamping blocks (18) are fixedly connected with the second springs (16).

2. A leakage current tester according to claim 1, wherein: the inside exhaust vent (19) that has all run through of first board (12) and second board (14), the quantity of exhaust vent (19) sets up to a plurality ofly, and a plurality of exhaust vents (19) are rectangle array and distribute inside first board (12) and second board (14).

3. A leakage current tester according to claim 1, wherein: the fan (20) is arranged at the bottom of the first plate (12), the fan (20) is fixedly connected with the box body (1), and the top of the box body (1) is hinged with a switch cover (21).

4. A leakage current tester according to claim 1, wherein: the air inlet holes (22) are formed in the two sides of the box body (1), the number of the air inlet holes (22) is set to be multiple, and the air inlet holes (22) are distributed on the two sides of the box body (1) in a rectangular array mode.

5. A leakage current tester according to claim 1, wherein: the number of the first rods (3) is two, and the two first rods (3) are symmetrically distributed at two ends of the I-shaped block (2).

6. A leakage current tester according to claim 1, wherein: the number of the I-shaped blocks (2) is two, and the two I-shaped blocks (2) are symmetrically distributed at the bottom of the inner wall of the box body (1).

7. A leakage current tester according to claim 1, wherein: the number of the second rods (4) is two, and the two second rods (4) are symmetrically distributed on two sides of the first rod (3).

8. A leakage current tester according to claim 1, wherein: the second plate (14) is a foam member.

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