CN213633575U

CN213633575U - Portable digital multimeter

Info

Publication number: CN213633575U
Application number: CN202022364497.9U
Authority: CN
Inventors: 曾伙炎
Original assignee: Guangzhou Guoyu Testing Technology Service Co ltd
Current assignee: Guangzhou Guoyu Testing Technology Service Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-06
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a portable digital multimeter, including the multimeter, the rear end face of multimeter is provided with additional storehouse, the rear swing joint of multimeter has back casing, the inside of back casing is provided with holds the storehouse, the centre of holding a storehouse side is provided with fillet rectangle opening, two end angle fixed mounting that hold storehouse and fillet rectangle opening with the side have the magnetite, the internal surface fixed mounting who holds the storehouse has four pen-shape metre draw-in grooves, the position fixed mounting that holds the storehouse internal surface and be located pen-shape metre draw-in groove side has four L type wire wrapping rods. The utility model discloses a set up in the trailing flank of universal meter and hold storehouse and additional storehouse to set up pen-shape metre draw-in groove and L type wire wrapping pole in the inside that holds the storehouse, be convenient for accomodate pen-shape metre and connecting wire, make the back casing can be closed with the universal meter through setting up magnetite and metal block, thereby improved the convenience that the device used.

Description

Portable digital multimeter

Technical Field

The utility model relates to an universal meter technical field specifically is a portable digital universal meter.

Background

Multimeters, also known as multiplex meters, multi-purpose meters, triple meters, multi-purpose meters, etc., are indispensable measurement instruments for power electronics and other departments, and generally aim to measure voltage, current and resistance; the universal meter is divided into a pointer universal meter and a digital universal meter according to a display mode; the universal meter can measure direct current, direct voltage, alternating current, alternating voltage, resistance, audio level and the like, and can also measure alternating current, capacitance, inductance, parameters of a semiconductor and the like.

However, the existing multimeter is very inconvenient to carry, a measuring pen needs to be installed in each use, the connecting wire of the measuring pen is easy to tie when being wound, the multimeter is very inconvenient to use and is easy to lose sometimes, and the multimeter can be kept stable without a support when being used; therefore, the existing requirements are not met, and a portable digital multimeter is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable digital multimeter to solve the current multimeter that proposes in the above-mentioned background art and very inconvenient in carrying, and use at every turn and all will install the measuring pen, and knot easily when the connecting wire of measuring pen twines, it is very inconvenient to use, sometimes still loses easily, the multimeter does not have the support when using simultaneously can remain stable scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable digital multimeter, includes the universal meter, the rear end face of universal meter is provided with additional storehouse, the rear swing joint of universal meter has the back casing, the inside of back casing is provided with holds the storehouse, the centre that holds a storehouse side is provided with fillet rectangle opening, two end angle fixed mounting that hold storehouse and fillet rectangle opening with the side have the magnetite, the internal surface fixed mounting that holds the storehouse has four pen-shape metre draw-in grooves, the position fixed mounting that holds the storehouse internal surface and be located pen-shape metre draw-in groove side has four L type wire wrapping rods.

Preferably, the universal meter passes through hinge swing joint with the back casing, the universal meter has solid fixed ring with the upper end fixed mounting of the same side of hinge.

Preferably, a metal block is fixedly mounted at a position corresponding to the magnet inside the additional bin.

Preferably, the sum of the thicknesses of the containing bin and the additional bin is greater than the diameter of the meter pen.

Preferably, the multimeter is the same as the size of the outer surface of the rear shell, and the area of the accommodating bin is the same as that of the additional bin.

Preferably, the front end face of the multimeter is provided with a display screen, and the outer surface of the display screen is provided with a protective film.

Preferably, the thickness of the L-shaped winding rod is equal to the sum of the thicknesses of the accommodating bin and the additional bin, and the inner diameter of the meter pen clamping groove is equal to the outer diameter of the meter pen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the fixing ring is fixedly arranged on the outer surface of the universal meter, so that the universal meter can be conveniently hung and carried by the fixing ring;

2. the utility model discloses a set up in the trailing flank of universal meter and hold storehouse and additional storehouse to set up pen-shape metre draw-in groove and L type wire wrapping pole in the inside that holds the storehouse, be convenient for accomodate pen-shape metre and connecting wire, make the back casing can be closed with the universal meter through setting up magnetite and metal block, thereby improved the convenience that the device used.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the overall open state of the present invention;

FIG. 3 is a schematic structural view of the accommodating chamber of the present invention;

fig. 4 is a schematic structural view of the additional bin of the present invention.

In the figure: 1. a universal meter; 2. a rear housing; 3. a hinge; 4. a fixing ring; 5. an accommodating bin; 6. a magnet; 7. a meter pen clamping groove; 8. a round corner rectangular notch; 9. an L-shaped winding rod; 10. a metal block; 11. an additional bin; 12. and (5) protecting the film.

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 to 4, the present invention provides an embodiment: the utility model provides a portable digital multimeter, including multimeter 1, the rear end face of multimeter 1 is provided with additional storehouse 11, the rear swing joint of multimeter 1 has back casing 2, the inside of back casing 2 is provided with holds storehouse 5, the centre that holds 5 sides in storehouse is provided with fillet rectangle opening 8, two end angle fixed mounting that hold storehouse 5 and fillet rectangle opening 8 with the side have magnetite 6, the internal surface fixed mounting that holds storehouse 5 has four pen-shape metre draw-in grooves 7, the position fixed mounting that the internal surface of holding storehouse 5 lies in a pen-shape metre draw-in groove 7 side has four L type wire wrapping rods 9. The multimeter 1 (model number may be DT9205A) mentioned in the present invention can be obtained from market purchase or private customization.

Further, universal meter 1 passes through hinge 3 swing joint with back casing 2, and universal meter 1 and the upper end fixed mounting of hinge 3 same side have solid fixed ring 4.

Through adopting above-mentioned technical scheme, be convenient for hang universal meter 1 with oneself through solid fixed ring 4 and carry.

Further, a metal block 10 is fixedly attached to a position corresponding to the magnet 6 inside the additional bin 11.

Through adopting above-mentioned technical scheme, make universal meter 1 and back casing 2 can keep off-state.

Further, the sum of the thicknesses of the containing chamber 5 and the additional chamber 11 is larger than the diameter of the stylus.

By adopting the technical scheme, the meter pen can be placed inside the accommodating bin 5 and the additional bin 11.

Further, multimeter 1 is the same size as the outer surface of rear case 2, and holding compartment 5 is the same size as the area of additional compartment 11.

Through adopting above-mentioned technical scheme, make universal meter 1's surface more level and smooth, convenient to use and carry.

Furthermore, a display screen is arranged on the front end face of the multimeter 1, and a protective film 12 is arranged on the outer surface of the display screen.

Through adopting above-mentioned technical scheme, improve the wearability of display screen to the life of extension universal meter 1.

Further, the thickness of the L-shaped winding rod 9 is equal to the sum of the thicknesses of the accommodating bin 5 and the additional bin 11, and the inner diameter of the meter pen clamping groove 7 is equal to the outer diameter of the meter pen.

By adopting the technical scheme, the meter pen can be clamped in the meter pen clamping groove 7.

The working principle is as follows: during the use, dig fillet rectangle opening 8 with the nail, open back casing 2, will hold 5 inside pens in storehouse and the connecting wire and take off from the inside of pen-shape draw-in groove 7 and the surface of L type wire winding pole 9 respectively, when universal meter 1 needs to stand the use, can make back casing 2 keep the state of opening, become universal meter 1's support, when universal meter 1 need not stand the use, close back casing 2, back casing 2 attracts through magnetite 6 and the metal block 10 at the universal meter 1 back, thereby make and hold storehouse 5 and additional storehouse 11 and keep sealing, use when universal meter 1 and accomplish the back, put pen-shape metre and connecting wire in the inside that holds storehouse 5 and additional storehouse 11 according to original mode, when needs go out universal meter 1 and carry, hang universal meter 1 through solid fixed ring 4, thereby portable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A portable digital multimeter, includes the universal meter, its characterized in that: the rear end face of universal meter is provided with additional storehouse, the rear swing joint of universal meter has the back casing, the inside of back casing is provided with holds the storehouse, the centre that holds a storehouse side is provided with fillet rectangle opening, two end angle fixed mounting that hold storehouse and fillet rectangle opening with the side have the magnetite, the internal fixed surface that holds the storehouse installs four pen-shape metre draw-in grooves, the position fixed mounting that holds the storehouse internal surface and be located pen-shape metre draw-in groove side has four L type wire wrapping rods.

2. The portable digital multimeter of claim 1, wherein: the universal meter passes through hinge swing joint with the back casing, universal meter and the upper end fixed mounting of the same side of hinge have solid fixed ring.

3. The portable digital multimeter of claim 1, wherein: and a metal block is fixedly arranged in the additional bin at a position corresponding to the magnet.

4. The portable digital multimeter of claim 1, wherein: the sum of the thicknesses of the accommodating bin and the additional bin is larger than the diameter of the meter pen.

5. The portable digital multimeter of claim 1, wherein: the universal meter is the same as the outer surface of the rear shell in size, and the accommodating bin is the same as the additional bin in area size.

6. The portable digital multimeter of claim 1, wherein: the multimeter is characterized in that a display screen is arranged on the front end face of the multimeter, and a protective film is arranged on the outer surface of the display screen.

7. The portable digital multimeter of claim 1, wherein: the thickness of L type wire winding pole equals to hold the thickness sum in storehouse and additional storehouse, the internal diameter of table pen draw-in groove equals the external diameter of table pen.