CN215641467U

CN215641467U - Full-electric-quantity multifunctional test instrument

Info

Publication number: CN215641467U
Application number: CN202121805312.1U
Authority: CN
Inventors: 徐楠; 张齐; 杨晶; 咸鹏; 丁磊; 郑开明
Original assignee: Suqian Electric Power Design Institute Co ltd
Current assignee: Suqian Electric Power Design Institute Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-25
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a full-electric-quantity multifunctional test instrument which comprises an instrument shell and a display screen arranged at the front end part of the instrument shell, wherein a first square hole and a second square hole are respectively formed in the upper end part and the lower end part of the instrument shell, a first movable plate and a second movable plate are respectively movably connected in the first square hole and the second square hole, an insertion hole is formed in the middle of the rear end surface of the instrument shell, a fixed shaft is arranged in the insertion hole, the rear end part of the fixed shaft is connected with a gear through a bearing, the rear end part of the gear is connected with a movable shaft through a key, an adjusting block is arranged at the rear end part of the movable shaft, limiting blocks are symmetrically arranged at the upper end part and the lower end part of the adjusting block, and a reset spring is movably sleeved on the movable shaft. The utility model can not only play the effect of storing the positive electrode test bar and the negative electrode test bar, improve the functionality of the test instrument, but also play the effect of saving the electric quantity of the test instrument, prevent electric leakage, save the resource consumption and improve the resource utilization rate.

Description

Full-electric-quantity multifunctional test instrument

Technical Field

The utility model relates to the technical field of test instruments, in particular to a full-electric-quantity multifunctional test instrument.

Background

With the continuous development of scientific technology, new measuring methods and tools emerge. Test meters, technical tools used to measure various parameters of interest in a manufacturing process, are referred to as test meters. The test meter is generally provided with a positive test rod and a negative test rod for testing the voltage or current of an external device, such as a voltmeter or an ammeter.

The existing test instrument is single in function, a test rod of the test instrument is not easy to place, the carrying process is inconvenient, in the idle process, a power supply is always powered, electric leakage is easy to occur, the power consumption is avoided, and the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a full-electric multifunctional test instrument to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional test instrument of full electric quantity, includes meter housing and locates the display screen of meter housing front end portion, the tip is equipped with first square hole and second square hole respectively under meter housing is last, there are first fly leaf and second fly leaf in first square hole and the second square hole swing joint respectively, meter housing rear end face middle part is equipped with the jack, be equipped with the fixed axle in the jack, the tip is connected with the gear through the bearing behind the fixed axle, the tip has the loose axle through the key-type connection behind the gear, the tip is equipped with the regulating block behind the loose axle, tip symmetry is equipped with the stopper about the regulating block, reset spring has been cup jointed in the activity on the loose axle.

Preferably, in the above multifunctional full-electric-quantity test instrument, the return spring is disposed between the gear and the adjusting block, and front and rear end portions of the return spring are respectively fixed to the gear and the adjusting block.

Based on above-mentioned technical characteristics, through cup jointing reset spring on the loose axle to locate reset spring between regulating block and the gear, under initial condition, through reset spring's effect, can make the regulating block drive the stopper card and go into the spacing inslot, when anodal test stick and negative pole test stick do not use, can make it stably place in first square hole and second square hole inside.

Preferably, in the above-mentioned multifunctional full-electric-quantity test instrument, the instrument housing is provided with a limit groove corresponding to the limit block.

Based on above-mentioned technical characteristics, the spacing groove is corresponding with the position around the stopper, sets up the position restriction effect that the spacing groove can play the stopper, only through extrusion reset spring to pull out the loose axle from the gear to the rear side, just can the counter gear, will place in positive pole test stick and the negative pole test stick in first square hole and second square hole and take out.

Preferably, in the above full-electric-quantity multifunctional test instrument, the first movable plate and the second movable plate are both connected to the gear through a rack, and the gear is disposed between the first movable plate and the second movable plate.

Based on above-mentioned technical characteristics, set up the rack at first fly leaf and second fly leaf relative surface symmetry, connect through the mode of gear and rack toothing, can be when taking anodal test bar, the second fly leaf auto-eject for placing negative pole test bar, easy operation, the availability factor is high.

Preferably, in the above multifunctional full-electric-quantity test instrument, the first movable plate and the second movable plate are respectively provided with an anode test rod and a cathode test rod.

Based on the technical characteristics, the positive electrode test rod and the negative electrode test rod are connected with the test instrument through leads and used for connecting the test instrument with the outside.

Preferably, in the above full-electric multifunctional test instrument, the inner ends of the first movable plate and the second movable plate are respectively provided with a first contact point and a second contact point.

Preferably, in the above full-electric-quantity multifunctional test instrument, the first contact point and the second contact point are both electrically connected to a power switch of the test instrument through a wire.

Based on the technical characteristics, the first contact point and the second contact point both comprise two iron sheets which can be movably contacted with each other, one of the two iron sheets can be arranged on the first movable plate (or the second movable plate), the other one of the two iron sheets is arranged on the shell of the test instrument, and the power switch is powered on or powered off through the contact of the two iron sheets.

Compared with the prior art, the utility model has the beneficial effects that: according to the full-electric-quantity multifunctional test instrument, the movable shaft, the fixed shaft, the adjusting block, the limiting block, the first movable plate and the second movable plate are arranged, the first square hole and the second square hole for placing the positive electrode test rod and the negative electrode test rod are formed in the rear end part of the instrument shell, and the first movable plate and the second movable plate arranged in the first square hole and the second square hole are controlled in a gear and rack meshing mode, so that on one hand, the effect of storing the positive electrode test rod and the negative electrode test rod can be achieved, the functionality of the test instrument is improved, and the application range of the test instrument is wider; on the other hand, the inner end parts of the first movable plate and the second movable plate are respectively provided with a first contact point and a second contact point, when the first movable plate and the second movable plate are inserted into the first square hole and the second square hole by operating the adjusting block, the first contact point and the second contact point on the first movable plate and the second movable plate are closed, at the moment, the circuit can be connected, the switch of the power supply is disconnected, electric leakage is prevented, the effect of saving the electric quantity of the test instrument is achieved, the resource consumption is saved, and the resource utilization rate is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic rear view of the structure of the present invention;

FIG. 3 is a schematic left side view in partial cross-section of the inventive structure;

FIG. 4 is a schematic view of the connection of the gear and the movable shaft of the present invention;

fig. 5 is a schematic diagram of the structure of the present invention.

In the figure: 1 meter housing, 2 display screens, 3 first square holes, 4 first movable plates, 5 second movable plates, 6 movable shafts, 7 gears, 8 adjusting blocks, 9 limiting blocks, 10 limiting grooves, 11 jacks, 12 fixing shafts, 13 reset springs, 14 keys and 15 second square holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a full-electric-quantity multifunctional test instrument comprises an instrument shell 1 and a display screen 2 arranged at the front end part of the instrument shell 1, wherein the display screen 2 is used for displaying test data, a first square hole 3 and a second square hole 15 are respectively arranged at the upper end part and the lower end part of the instrument shell 1, the first square hole 3 and the second square hole 15 are hole grooves with square sections, the width and the height of each square hole groove are larger than the outer diameters of an anode test rod and a cathode test rod, the test rods are convenient to put in, a first movable plate 4 and a second movable plate 5 are respectively movably connected in the first square hole 3 and the second square hole 15, the anode test rod and the cathode test rod can be respectively placed on the first movable plate 4 and the second movable plate 5, the first movable plate 4 and the second movable plate 5 can play the effect of placing the anode test rod and the cathode test rod, the first movable plate 4 and the second movable plate 5 are both connected with a gear 7 through racks, and the gear 7 is provided between the first flap 4 and the second flap 5. And the first movable plate 4 and the second movable plate 5 are respectively provided with a positive electrode test rod and a negative electrode test rod. The middle part of the rear end face of the instrument shell 1 is provided with a jack 11, the jack 11 is used for placing a movable shaft 6 and a fixed shaft 12, the centers of the movable shaft 6 and the fixed shaft 12 are collinear, the movable shaft 6 is arranged at the rear side of the fixed shaft 12, wherein the movable shaft 6 and a key 14 can be fixedly welded, the inner side face of the gear 7 is provided with a clamping groove corresponding to the key 14, the movable shaft 6 is connected with the groove through the key 14, so that the movable shaft 6 can generate axial motion on the gear 7, when the movable shaft 6 rotates radially, the gear 7 also rotates along with the rotation, the jack 11 is internally provided with the fixed shaft 12, the fixed shaft 12 is fixedly arranged on the instrument shell 1, the rear end part of the fixed shaft 12 is connected with the gear 7 through a bearing, the distance of the bearing inserted in the gear 7 is less than half of the thickness of the gear 7, namely, the bearing is not completely inserted in the gear 7, and the rear end part of the gear 7 can be connected with the movable shaft 6 through the key 14, the tip is connected with loose axle 6 through key 14 behind the gear 7, the tip is equipped with regulating block 8 behind the loose axle 6, tip symmetry is equipped with stopper 9 about the regulating block 8, and stopper 9 forms with the integrative cutting of regulating block 8, be equipped with the spacing groove 10 that corresponds with stopper 9 on the instrument housing 1. The limiting groove 10 can limit the limiting block 9, and the movable shaft 6 is movably sleeved with a return spring 13. The return spring 13 is arranged between the gear 7 and the adjusting block 8, and the front end part and the rear end part of the return spring 13 are respectively fixed on the gear 7 and the adjusting block 8. The return spring 13 is a compression spring, and the inner ends of the first movable plate 4 and the second movable plate 5 are respectively provided with a first contact point and a second contact point. The first contact point and the second contact point are electrically connected with a power switch of the test instrument through wires. The switch for testing the power supply of the instrument is a normally open contact switch,

please refer to fig. 3 in the drawings of the specification: wherein, spacing groove 10 and jack 11 intercommunication, key 14 then is the annular and evenly welds on loose axle 6, reset spring 13 locates the key 14 outside, when positive pole test stick and negative pole test stick take out as needs, make reset spring 13 extrude, to the rear side pulling regulating block 8, regulating block 8 drives stopper 9 and breaks away from spacing groove 10, because gear 7 and first fly leaf 4, second fly leaf 5 is the meshing mode of gear and rack, when first fly leaf 4 moves to the meter housing 1 outside, second fly leaf 5 also moves to the outside of meter housing 1 simultaneously, be convenient for positive pole test stick and negative pole test stick can take out the use simultaneously, the convenience of using has been improved, and easy operation.

The working principle is as follows: in the full-electric-quantity multifunctional test instrument, in an initial state, due to the elastic force action of a reset spring 13, a limit block 9 is clamped into a limit groove 10, at the moment, a first movable plate 4 and a second movable plate 5 with an anode test rod and a cathode test rod are respectively arranged in a first square hole 3 and a second square hole 15, when the full-electric-quantity multifunctional test instrument is used, the reset spring 13 is extruded, an adjusting block 8 is pulled towards the rear side, the adjusting block 8 drives the limit block 9 to be separated from the limit groove 10, because a gear 7, the first movable plate 4 and the second movable plate 5 are in a gear and rack meshing mode, when the first movable plate 4 moves towards the outer side of an instrument shell 1, the second movable plate 5 also moves towards the outer side of the instrument shell 1, the anode test rod and the cathode test rod can be simultaneously taken out for use, at the moment, because the first movable plate 4 and the second movable plate 5 are taken out, iron sheets at the inner end parts of the first movable plate 4 and the second movable plate 5 are separated from iron sheets on the instrument shell 1, the power supply can be automatically switched off, the testing instrument cannot be used under the condition that the anode testing rod and the cathode testing rod are not taken out, the idle process is effectively avoided, the electric leakage of the testing instrument occurs, and resources are saved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multi-functional test instrument of full electric quantity, includes meter housing (1) and locates display screen (2) of meter housing (1) front end portion, its characterized in that: the utility model discloses an instrument shell, including instrument shell (1), fixed axle (12), gear (7) rear end portion is connected with loose axle (6) through key (14), loose axle (6) rear end portion is equipped with regulating block (8), the tip symmetry is equipped with stopper (9) about regulating block (8), reset spring (13) have been cup jointed in the activity on loose axle (6) respectively to instrument shell (1) upper and lower tip, there are first fly leaf (4) and second fly leaf (5) in first square hole (3) and the second square hole (15) swing joint respectively, instrument shell (1) rear end face middle part is equipped with jack (11), be equipped with fixed axle (12) in jack (11), fixed axle (12) rear end portion is connected with gear (7) through the bearing, gear (7) rear end portion is connected with loose axle (6) through key (14).

2. A full-electric multifunctional test instrument according to claim 1, characterized in that: the return spring (13) is arranged between the gear (7) and the adjusting block (8), and the front end part and the rear end part of the return spring (13) are respectively fixed on the gear (7) and the adjusting block (8).

3. A full-electric multifunctional test instrument according to claim 1, characterized in that: the instrument shell (1) is provided with a limiting groove (10) corresponding to the limiting block (9).

4. A full-electric multifunctional test instrument according to claim 1, characterized in that: the first movable plate (4) and the second movable plate (5) are connected with the gear (7) through racks, and the gear (7) is arranged between the first movable plate (4) and the second movable plate (5).

5. A full-electric multifunctional test instrument according to claim 1, characterized in that: and the first movable plate (4) and the second movable plate (5) are respectively provided with a positive electrode test rod and a negative electrode test rod.

6. A full-electric multifunctional test instrument according to claim 1, characterized in that: the inner ends of the first movable plate (4) and the second movable plate (5) are respectively provided with a first contact point and a second contact point.

7. An all-electric multifunctional test instrument according to claim 6, characterized in that: the first contact point and the second contact point are electrically connected with a power switch of the test instrument through wires.