CN217305502U

CN217305502U - Automatic metering and calibrating device of leakage current tester

Info

Publication number: CN217305502U
Application number: CN202220181413.4U
Authority: CN
Inventors: 钟承宏; 谢海东; 吴强
Original assignee: Shenzhen Times Measurement And Testing Co ltd
Current assignee: Shenzhen Times Measurement And Testing Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-26
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an automatic metering calibration device of a leakage current tester, which relates to the technical field of leakage current testers, and comprises a calibration device body and a protective box, wherein the rear end of the top part of the protective box is hinged with a box cover, the front end of the box cover is connected with the top part of the front end of the protective box through a lock catch, the calibration device body is placed inside the protective box through a protection mechanism, the protection mechanism comprises an installation component, a limit component, an elastic component, a support component, a first protection component and a second protection component, the installation component is arranged below the inner part of the protective box, the support component is connected on the installation component through the limit component and the elastic component, the bottom part of the protective box is placed on the support component, the utility model can effectively protect the calibration device body, avoid the calibration device body from dust invasion, and effectively prevent the calibration device body from being damaged due to external force impact, the service life of the calibration device body is facilitated.

Description

Automatic metering and calibrating device of leakage current tester

Technical Field

The utility model relates to a leakage current tester technical field specifically is a leakage current tester automatic measurement calibrating device.

Background

The leakage current is a current formed between metal parts insulated from each other in an electric band 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.

The existing automatic metering and calibrating device for the leakage current tester is generally directly exposed in the air to be stored before or after being used, is easy to invade by dust and cannot be well protected, and when a user accidentally bumps in the carrying process, the calibrating device is easy to damage, the service life of the calibrating device is influenced, so that the need of developing the automatic metering and calibrating device for the leakage current tester is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leakage current tester automatic measurement calibrating device to solve the current automatic measurement calibrating device who is used for leakage current tester who proposes in the above-mentioned background art and deposit in the air before using or after using, generally all directly expose, invade by the dust easily, can not obtain fine protection, and when the user of service when carrying the in-process carelessly bump against, make calibrating device impaired easily, influence its life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic metering and calibrating device of a leakage current tester comprises a calibrating device body and a protective box, wherein the rear end of the top of the protective box is hinged with a box cover, the front end of the box cover is connected with the top of the front end of the protective box through a lock catch, and the calibrating device body is placed in the protective box through a protective mechanism;

the protection mechanism comprises a mounting assembly, a limiting assembly, an elastic assembly, a supporting assembly, a first protection assembly and a second protection assembly, wherein the mounting assembly is arranged below the inside of the protection box, the supporting assembly is connected to the mounting assembly through the limiting assembly and the elastic assembly, the bottom of the protection box is placed on the supporting assembly, the first protection assembly is arranged at four corners inside the protection box, and the second protection assembly is arranged on the lower surface of the box cover.

Preferably, the installation component comprises an installation plate, the horizontal fixed connection of both ends is in the protection box inner wall left and right sides about the installation plate, the installation plate is located the inside below of protection box, the supporting component passes through spacing subassembly and elastic component and connects on the installation plate.

Preferably, spacing subassembly includes spacing hole, spacing hole bilateral symmetry establishes on the mounting panel, the spacing downthehole portion runs through there is the gag lever post, gag lever post bottom fixedly connected with limiting plate, supporting component establishes on the gag lever post top, the elastic component is run through on the gag lever post top.

Preferably, the elastic component comprises a spring, the bottom end of the spring is symmetrically and fixedly connected to the left side and the right side of the upper surface of the mounting plate, the spring is penetrated through the top end of the limiting rod, and the top end of the spring is fixedly connected with the supporting component.

Preferably, the supporting component comprises a supporting plate, the lower surface of the supporting plate is fixedly connected to the top end of the limiting rod, the top end of the spring is fixedly connected to the lower surface of the supporting plate, a first rubber pad is bonded to the upper surface of the supporting plate, and the bottom of the calibrating device body is attached to the upper surface of the first rubber pad.

Preferably, first protection component includes first cystosepiment, first cystosepiment quantity is four, first cystosepiment contained angle is the right angle, four first cystosepiment bonds respectively at four inside corners of protective housing, four the second rubber pad has all been bonded to first cystosepiment surface, second rubber pad contained angle is the right angle, four corners of calibrating device body are laminated with four second rubber pad surfaces respectively mutually.

Preferably, the second protection assembly comprises a second foam plate, the upper surface of the second foam plate is bonded to the lower surface of the box cover, a third rubber pad is bonded to the lower surface of the second foam plate, and the lower surface of the third rubber pad is attached to the top of the calibration device body.

Preferably, the top of the box cover is rotatably connected with a handle, and the four corners of the bottom of the protective box are all bonded with anti-slip pads.

Compared with the prior art, the beneficial effects of the utility model are that: the calibration device body can be placed in the protective box for storage operation before or after use, dust invasion is effectively prevented, the calibration device body is used through the cooperation of the protection mechanism, the calibration device body stored in the protective box can be protected in all directions, the collision condition is effectively avoided, even if the protective box is impacted by external force, the calibration device body located in the protective box cannot be damaged, and the service life of the calibration device body is prolonged.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a front view of the structure of the present invention;

fig. 5 is a schematic three-dimensional structure diagram of the first protection component of the present invention.

In the figure: 1. calibrating the device body; 2. a protective box; 3. a box cover; 4. locking; 5. mounting a plate; 6. a limiting hole; 7. a limiting rod; 8. a limiting plate; 9. a spring; 10. a support plate; 11. a first rubber pad; 12. a first foam sheet; 13. a second rubber pad; 14. a second foam sheet; 15. a third rubber pad; 16. a handle; 17. a non-slip mat.

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 following technical scheme: referring to fig. 1-5, an automatic measurement calibration device for a leakage current tester comprises a calibration device body 1 and a protective box 2, wherein the rear end of the top of the protective box 2 is hinged with a box cover 3, the front end of the box cover 3 is connected with the top of the front end of the protective box 2 through a lock catch 4, so that the box cover 3 and the protective box 2 can be conveniently opened and closed by a user, the calibration device body 1 is placed inside the protective box 2 through a protection mechanism, so that the calibration device body 1 can be placed inside the protective box 2 when not in use under the protection effect of the protective box 2, thereby effectively avoiding dust invasion, the protection mechanism comprises a mounting assembly, a limiting assembly, an elastic assembly, a support assembly, a first protection assembly and a second protection assembly, the mounting assembly is arranged below the interior of the protective box 2, the support assembly is connected to the mounting assembly through the limiting assembly and the elastic assembly, the bottom of the protective box 2 is placed on the support assembly, the first protection components are arranged at four corners in the protection box 2, and the second protection components are arranged on the lower surface of the box cover 3;

the mounting component comprises a mounting plate 5, the left and right ends of the mounting plate 5 are horizontally and fixedly connected with the left and right sides of the inner wall of the protective box 2, the mounting plate 5 is positioned below the inner part of the protective box 2, the supporting component is connected with the elastic component on the mounting plate 5 through a limiting component, the limiting component comprises a limiting hole 6, the limiting hole 6 is symmetrically arranged on the mounting plate 5 in the left and right directions, a limiting rod 7 penetrates through the limiting hole 6, the bottom end of the limiting rod 7 is fixedly connected with a limiting plate 8, the supporting component is arranged at the top end of the limiting rod 7, the top end of the limiting rod 7 penetrates through the elastic component, the elastic component comprises a spring 9, the bottom end of the spring 9 is symmetrically and fixedly connected with the left and right sides of the upper surface of the mounting plate 5, the top end of the limiting rod 7 penetrates through a spring 9, the top end of the spring 9 is fixedly connected with the supporting component, the supporting component comprises a supporting plate 10, the lower surface of the supporting plate 10 is fixedly connected with the top end of the limiting rod 7, the top end of the spring 9 is fixedly connected with the lower surface of the supporting plate 10, the upper surface of the supporting plate 10 is bonded with the first rubber pad 11, the bottom of the calibrating device body 1 is attached to the upper surface of the first rubber pad 11, so that when the protective box 2 is collided or impacted by external force, the calibrating device body 1 placed inside the calibrating device body can vibrate, and when the calibrating device body 1 vibrates up and down, the supporting plate 10 can be driven to move down, the limiting rod 7 and the limiting plate 8 are driven to move down, the spring 9 is compressed, the spring 9 is elastically deformed to generate elasticity, the vertical vibration of the calibrating device body 1 can be buffered, and the calibrating device body 1 can be protected;

the first protection component comprises four first foam boards 12, the number of the first foam boards 12 is four, the included angle of each first foam board 12 is a right angle, the four first foam boards 12 are respectively adhered to four corners in the protection box 2, second rubber pads 13 are adhered to the surfaces of the four first foam boards 12, the included angle of each second rubber pad 13 is a right angle, and the four corners of the calibration device body 1 are respectively adhered to the surfaces of the four second rubber pads 13, so that the calibration device body 1 placed in the protection box 2 can vibrate when the protection box 2 is collided or impacted by external force, and can be limited by the four first foam boards 12 adhered to the four corners in the protection box 2 and the second rubber pads 13 adhered to the surfaces of the four first foam boards 12 when the calibration device body 1 vibrates left and right or back and forth, and the first foam boards 12 and the second rubber pads 13 have better buffer performance, so that the calibration device body 1 can be protected;

the second protection component comprises a second foam board 14, the upper surface of the second foam board 14 is adhered to the lower surface of the box cover 3, a third rubber pad 15 is adhered to the lower surface of the second foam board 14, the lower surface of the third rubber pad 15 is adhered to the top of the calibration device body 1, so when the protection box 2 is collided or impacted by external force, the calibration device body 1 placed in the protection box 2 can vibrate, and when the calibration device body 1 vibrates up and down, the second foam board 14 adhered to the lower surface of the box cover 3 and the third rubber pad 15 adhered to the lower surface of the second foam board 14 can be limited, and the second foam board 14 and the third rubber pad 15 have better buffer performance, so that the calibration device body 1 can be protected, therefore, the utility model discloses the calibration device body 1 stored in the protection box 2 can be protected in all directions, and the collision condition can be effectively avoided, even if the protective box 2 is impacted by external force, the calibration device body 1 positioned in the protective box 2 cannot be damaged, and the service life of the calibration device body 1 is prolonged;

3 tops of case lid are rotated and are connected with handle 16, make the utility model discloses can have the function that convenient to use personnel carried, four corners in protective housing 2 bottoms all bond and have slipmat 17 for protective housing 2 can stably place.

The working principle is as follows: firstly, when the calibration device body 1 is used or used, a user can directly place the calibration device body 1 in the protective box 2, and under the action of the protective box 2, the calibration device body 1 can be effectively prevented from being invaded by dust;

secondly, when the protective box 2 is collided or impacted by external force, the calibration device body 1 placed inside the protective box can vibrate, when the calibration device body 1 vibrates up and down, the supporting plate 10 can be driven to move down, the limiting rod 7 and the limiting plate 8 are driven to move down, the spring 9 is compressed, the spring 9 is elastically deformed to generate elasticity, the up and down vibration of the calibration device body 1 can be buffered, the calibration device body 1 can be protected, when the calibration device body 1 vibrates up and down, the calibration device can be limited by the second foam plate 14 adhered to the lower surface of the box cover 3 and the third rubber pad 15 adhered to the lower surface of the second foam plate 14, and the second foam plate 14 and the third rubber pad 15 have better buffering performance, so that the calibration device body 1 can be protected;

finally, when protective housing 2 received to collide with or received external force striking, place the calibrating device body 1 in its inside can vibrate, and when the left and right sides of calibrating device body 1 perhaps when shaking all around, can be bonded at four first cystosepiments 12 of four inside corners of protective housing 2 and bond and spacing at the second rubber pad 13 on four first cystosepiments 12 surfaces, and because first cystosepiment 12 has the shock-absorbing capacity of preferred with second rubber pad 13, thereby can protect calibrating device body 1, so the utility model discloses can make and leave the inside calibrating device body 1 of protective housing 2 in can by all-round protection, effectively avoid appearing the condition of colliding with, and even protective housing 2 is by external force striking, be located protective housing 2 inside calibrating device body 1 also can not impaired, be favorable to calibrating device body 1's life.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a leakage current tester automatic measurement calibrating device, includes calibrating device body (1) and protective housing (2), protective housing (2) top rear end articulates there is case lid (3), and case lid (3) front end is connected its characterized in that through hasp (4) and protective housing (2) front end top: the calibration device body (1) is placed in the protective box (2) through a protective mechanism;

protection machanism includes installation component, spacing subassembly, elastic component, supporting component, first protection subassembly and second protection subassembly, the installation component is established in protecting box (2) inside below, the supporting component passes through spacing subassembly and elastic component and connects on the installation component, place on the supporting component protecting box (2) bottom, first protection subassembly is established in four inside corners of protecting box (2), the second protection subassembly is established at case lid (3) lower surface.

2. The automatic metering and calibrating device of the leakage current tester as claimed in claim 1, wherein: the mounting assembly comprises a mounting plate (5), the horizontal fixed connection at the left side and the right side of the inner wall of the protective box (2) are connected at the left side and the right side of the inner wall of the protective box (2) at the left side and the right side of the mounting plate (5), the mounting plate (5) is located below the inner portion of the protective box (2), and the supporting assembly is connected to the mounting plate (5) through a limiting assembly and an elastic assembly.

3. The automatic measurement and calibration device of the leakage current tester as claimed in claim 2, wherein: spacing subassembly includes spacing hole (6), spacing hole (6) bilateral symmetry is established on mounting panel (5), spacing hole (6) inside runs through there is gag lever post (7), gag lever post (7) bottom fixedly connected with limiting plate (8), supporting component establishes on gag lever post (7) top, elastic component is run through on gag lever post (7) top.

4. The automatic measurement and calibration device of the leakage current tester as claimed in claim 3, wherein: elastic component includes spring (9), spring (9) bottom symmetry fixed connection is in the left and right sides of mounting panel (5) upper surface, spring (9) are run through on gag lever post (7) top, spring (9) top and supporting component fixed connection.

5. The automatic measurement and calibration device of the leakage current tester as claimed in claim 4, wherein: the support assembly comprises a support plate (10), the lower surface of the support plate (10) is fixedly connected to the top end of the limiting rod (7), the top end of the spring (9) is fixedly connected to the lower surface of the support plate (10), a first rubber pad (11) is bonded to the upper surface of the support plate (10), and the bottom of the calibrating device body (1) is attached to the upper surface of the first rubber pad (11).

6. The automatic metering and calibrating device of the leakage current tester as claimed in claim 1, wherein: first protection component includes first cystosepiment (12), first cystosepiment (12) quantity is four, first cystosepiment (12) contained angle is the right angle, four first cystosepiment (12) bond respectively in four inside corners of protective housing (2), four first cystosepiment (12) surface all bonds has second rubber pad (13), second rubber pad (13) contained angle is the right angle, four corners of calibrating device body (1) are laminated with four second rubber pad (13) surfaces respectively mutually.

7. The automatic metering and calibrating device of the leakage current tester as claimed in claim 1, wherein: the second protection assembly comprises a second foam plate (14), the upper surface of the second foam plate (14) is bonded to the lower surface of the box cover (3), a third rubber pad (15) is bonded to the lower surface of the second foam plate (14), and the lower surface of the third rubber pad (15) is attached to the top of the calibration device body (1).

8. The automatic metering and calibrating device of the leakage current tester as claimed in claim 1, wherein: the top of the box cover (3) is rotatably connected with a handle (16), and anti-skid pads (17) are bonded at four corners of the bottom of the protective box (2).