CN213457096U

CN213457096U - Current tester

Info

Publication number: CN213457096U
Application number: CN202022397979.4U
Authority: CN
Inventors: 方亮
Original assignee: Xi'an Lingxiao Electronic Technology Co ltd
Current assignee: Xi'an Lingxiao Electronic Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-15
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a current tester, including protecting sheathing and lift shock attenuation platform dish, protecting sheathing's right wall fixed mounting has the motor, the output fixedly connected with drive lever of motor, protecting sheathing's interior diapire fixedly connected with bearing frame, the drive lever rotates the through-bearing seat, the cover is equipped with two first bevel gears on the drive lever, the both ends fixed mounting of protecting sheathing's interior roof has the installation bearing frame, install the bearing frame internal rotation and install the threaded rod, the both ends of lift shock attenuation platform dish all run through to inlay and are equipped with the thread bush, two the threaded rod respectively with the thread bush threaded connection that corresponds. The utility model discloses an output of motor drives the initiative pole and rotates, drives the threaded rod and rotates, and through the threaded connection of threaded rod and thread bush, under the cooperation of spout and slide, it rises to drive lift shock attenuation bench set, when can effectual protection current tester body, makes things convenient for current tester's use.

Description

Current tester

Technical Field

The utility model relates to a current tester field especially relates to a 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 device is suitable for testing current and voltage generated by underground steel rails, water pipes, cables and the like of the coal mine, prevents early explosion and other burning and exploding accidents of electric detonators caused by stray current discharge, and reduces the fire source in the mine to the minimum.

During the production or maintenance process of the electric equipment, the current of various working states of the equipment needs to be tested. Currently, a universal meter is generally used for measuring the current of electric equipment with a large current fluctuation range in different working states.

The staff need hand-carry the current tester, but can collide with and bump at the in-process of carrying, lead to the current tester to receive the damage, in long-term use or transportation, the current tester has the loss moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a current tester.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a current tester comprises a protective shell and a lifting damping table disc, wherein a motor is fixedly mounted on the right wall of the protective shell, an output end of the motor is fixedly connected with a driving rod, a bearing seat is fixedly connected with the inner bottom wall of the protective shell, the driving rod penetrates through the bearing seat in a rotating manner, two first bevel gears are sleeved on the driving rod, mounting bearing seats are fixedly mounted at two ends of the inner top wall of the protective shell, a threaded rod is rotatably mounted in each mounting bearing seat, threaded sleeves are embedded at two ends of the lifting damping table disc in a penetrating manner, the two threaded rods are respectively in threaded connection with the corresponding threaded sleeves, a second bevel gear is fixedly connected at the lower end of each threaded rod, the first bevel gears are meshed with the second bevel gears, a damping groove is formed in the inner bottom wall of the lifting damping table disc, and damping slide rods are fixedly connected to the left, the damping slide bar is provided with two damping slides and a damping spring in a sliding manner, the two ends of the damping spring are fixedly connected with the damping slides, the upper end of each damping slide is hinged with a damping rod, the two upper ends of the damping rods are hinged with the same current tester body, the left and right inner walls of the protection shell are provided with chutes, the chutes are internally provided with slides and two slides, and the slides are respectively fixedly connected with the left and right walls of the lifting damping table plate.

Preferably, the top wall of the protective casing is provided with a lifting protective opening, and the size of the lifting protective opening is matched with the size of the current tester body.

Preferably, the outer diameter of the threaded rod is adapted to the inner diameter of the threaded sleeve.

Preferably, the inner diameter of the damping slide is matched with the outer diameter of the damping slide rod.

Preferably, the inner diameter of the bearing seat is matched with the outer diameter of the driving rod.

Preferably, the inner size of the lifting shock absorption table plate is matched with the size of the current tester body.

The utility model has the advantages that:

1, the utility model discloses an output of motor drives the initiative pole and rotates, through first bevel gear and second bevel gear meshing, drives the threaded rod and rotates, through the threaded connection of threaded rod and thread bush, under the cooperation of spout and slide, drives lift shock attenuation bench plate and rises, when can effectual protection current tester body, makes things convenient for current tester's use.

2, the utility model discloses an at the in-process of transportation or lift, the current tester body can shake, and it slides to drive the shock attenuation slide at damping spring, and the shock attenuation slide drives the shock attenuation pole to carry out the shock attenuation to the current tester body, prevent to have some losses to the current tester body in long-term use or the transportation.

Drawings

Fig. 1 is a schematic structural diagram of the current tester provided by the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a of the current tester provided by the present invention.

Reference numbers in the figures: the device comprises a protective shell 1, a motor 2, a bearing seat 3, a driving rod 4, a first bevel gear 5, a threaded rod 6, a second bevel gear 7, a threaded sleeve 8, a lifting damping table disc 9, a damping groove 10, a damping slide rod 11, a damping slide seat 12, a damping spring 13, a damping rod 14 and a current tester body 15.

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.

Referring to fig. 1-2, the current tester comprises a protective casing 1 and a lifting damping table disk 9, and is characterized in that a motor 2 is fixedly mounted on the right wall of the protective casing 1, an output end of the motor 2 is fixedly connected with a driving rod 4, a bearing seat 3 is fixedly connected with the inner bottom wall of the protective casing 1, the driving rod 4 rotates to penetrate through the bearing seat 3, two first bevel gears 5 are sleeved on the driving rod 4, mounting bearing seats are fixedly mounted at two ends of the inner top wall of the protective casing 1, a threaded rod 6 is rotatably mounted in the mounting bearing seats, threaded sleeves 8 are respectively embedded at two ends of the lifting damping table disk 9 in a penetrating manner, the two threaded rods 6 are respectively in threaded connection with the corresponding threaded sleeves 8, a second bevel gear 7 is fixedly connected to the lower end of the threaded rod 6, the first bevel gear 5 is meshed with the second bevel gear 7, a damping groove 10 is formed, The right inner wall is fixedly connected with a damping slide bar 11, the damping slide bar 11 is sleeved with two damping slide carriages 12 and a damping spring 13 in a sliding manner, two ends of the damping spring 13 are fixedly connected with the damping slide carriages 12, the upper ends of the damping slide carriages 12 are hinged with damping rods 14, and the upper ends of the two damping rods 14 are hinged with a same current tester body 15;

protecting sheathing 1's a left side, right side inner wall all is equipped with the spout, slidable mounting has the slide in the spout, two slides respectively with lift shock attenuation bench dish 9's a left side, right side wall fixed connection, protecting sheathing 1's roof is equipped with lift protection mouth, the size of lift protection mouth and the size adaptation of current tester body 15, the external diameter of threaded rod 6 and the internal diameter adaptation of thread bush 8, the internal diameter of shock attenuation slide 12 and the external diameter adaptation of shock attenuation slide bar 11, the internal diameter of bearing frame 3 and the external diameter adaptation of active rod 4, the inside size of lift shock attenuation bench dish 9 and the size adaptation of current tester body 15.

The working principle is as follows: the utility model discloses, when using, open motor 2, motor 2's output drives drive lever 4 and rotates, through first bevel gear 5 and the meshing of second bevel gear 7, it rotates to drive threaded rod 6, threaded connection through threaded rod 6 and thread bush 8, under the cooperation of spout and slide, it rises to drive lift shock attenuation platform dish 9, can effectual protection current tester body 15, in-process at transportation or lift, current tester body 15 can shake, it slides to drive shock attenuation slide 12 at damping spring 13, shock attenuation slide 12 drives shock attenuation pole 14, thereby shock attenuation is carried out to current tester body 15, prevent to have some losses to current tester body 15 in long-term use or the transportation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A current tester comprises a protective shell (1) and a lifting damping table disc (9), and is characterized in that a motor (2) is fixedly mounted on the right wall of the protective shell (1), an output end of the motor (2) is fixedly connected with a driving rod (4), a bearing seat (3) is fixedly connected with the inner bottom wall of the protective shell (1), the driving rod (4) rotates to penetrate through the bearing seat (3), two first bevel gears (5) are sleeved on the driving rod (4), mounting bearing seats are fixedly mounted at two ends of the inner top wall of the protective shell (1), a threaded rod (6) is rotatably mounted in each mounting bearing seat, threaded sleeves (8) are embedded at two ends of the lifting damping table disc (9), the two threaded rods (6) are respectively in threaded connection with the corresponding threaded sleeves (8), and a second bevel gear (7) is fixedly connected with the lower end of the threaded rod (6), first bevel gear (5) and second bevel gear (7) meshing, the interior diapire of lift shock attenuation platform dish (9) is equipped with shock attenuation groove (10), left and right inner wall fixedly connected with shock attenuation slide bar (11) of shock attenuation groove (10), sliding sleeve is equipped with two shock attenuation slides (12) and damping spring (13) on shock attenuation slide bar (11), the both ends of damping spring (13) all with shock attenuation slide (12) fixed connection, the upper end of shock attenuation slide (12) articulates there is shock attenuation pole (14), two the upper end of shock attenuation pole (14) articulates there is same current tester body (15), the left and right inner wall of protecting sheathing (1) all is equipped with the spout, slidable mounting has slide, two in the spout the slide respectively with the left and right wall fixed connection of lift shock attenuation platform dish (9).

2. A current tester as claimed in claim 1, characterized in that the top wall of the protective casing (1) is provided with a lifting protection opening, the size of which is adapted to the size of the current tester body (15).

3. A current tester as claimed in claim 1, characterized in that the outer diameter of the threaded rod (6) is adapted to the inner diameter of the threaded sleeve (8).

4. A current tester as claimed in claim 1, characterized in that the inner diameter of the damping slide (12) is adapted to the outer diameter of the damping slide (11).

5. A current tester as claimed in claim 1, characterized in that the inner diameter of the bearing block (3) is adapted to the outer diameter of the active rod (4).

6. A current tester as claimed in claim 1, characterized in that the internal size of the lifting damper disc (9) is adapted to the size of the current tester body (15).