CN212586440U - Protective shell for universal meter and universal meter - Google Patents

Abstract

The utility model discloses a protective housing for universal meter and universal meter thereof, include: the upper shell, the lower shell and a plurality of limiting devices; the upper shell is internally provided with a first cavity, and the first cavity is internally provided with a winding post and a buckle; the lower shell is provided with a second cavity, two sliding chutes are arranged at two ends of the lower shell at intervals, a bottom plate is arranged in the second cavity, and a plurality of first springs are arranged below the bottom plate at intervals; every stop device all includes: the limiting sliding block, the connecting rod and the second spring; the limiting slide block is arranged in the sliding groove in a sliding manner; one end of the connecting rod is fixedly connected with the limiting slide block; one end of the second spring is fixedly connected with the side wall of the second cavity, and the other end of the second spring is fixedly connected with the other end of the connecting rod; this protecting sheathing for universal meter and universal meter thereof have that the protecting effect is good, the security is high, advantages such as convenient operation.

Description

Protective shell for universal meter and universal meter

Technical Field

The utility model discloses a technical field who relates to the universal meter especially relates to a protection shell for universal meter and universal meter thereof.

Background

With the development of society and the progress of science and technology, the level of mechanization and automation in industrial production is higher and higher, more and more mechanical equipment is used, and the electric control is more and more complicated. When mechanical equipment is installed and maintained, a universal meter is frequently used, which is also called a multiplex meter, a multi-purpose meter, a three-purpose meter, a multiplex meter and the like, is an indispensable measuring instrument for departments of power electronics and the like, generally takes voltage, current and resistance measurement as main purposes, is divided into a pointer universal meter and a digital universal meter according to a display mode, is a multifunctional and multi-range measuring instrument, and can measure direct current, direct current voltage, alternating current voltage, resistance, audio level and the like.

At present, in the field installation construction, constructor need often use the universal meter, and current universal meter does not have professional protector, uses the in-process of universal meter at constructor, and the universal meter accident very easily appears and drops or the condition emergence of universal meter object collision, leads to the universal meter impaired from this, causes the inaccurate and the unable normal work of universal meter measuring result of universal meter, has not only increased construction cost, has still influenced construction progress and work efficiency.

Therefore, how to research and develop a protector for universal meter to solve in the past in the work progress collide with, cause the universal meter to damage, lead to construction cost to increase, influence construction progress and work efficiency scheduling problem, become the problem that people waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a protective housing for universal meter and universal meter thereof to solve at least and very easily impaired because the universal meter that does not have the protector that is used for the universal meter specially to cause, lead to construction cost to increase, influence construction progress and work efficiency scheduling problem.

On the one hand, the utility model provides a protective housing for universal meter, this protective housing includes: the upper shell, the lower shell and a plurality of limiting devices;

the upper shell is hinged and buckled above the lower shell, a first cavity communicated with the outside is arranged on the lower surface of the upper shell, and a winding post and a buckle are arranged on the top surface of the first cavity;

a second cavity is arranged in the lower shell, an installation slot hole communicated with the second cavity is formed in the upper surface of the lower shell, two sliding grooves extending outwards along the length direction of the installation slot hole are respectively arranged at intervals at two ends of the installation slot hole, each sliding groove is respectively communicated with the second cavity and the installation slot hole, a bottom plate is arranged in the second cavity, the position of the bottom plate is opposite to that of the installation slot hole, a plurality of first springs are arranged at intervals below the bottom plate, the upper end of each first spring is fixedly connected with the lower surface of the bottom plate, and the lower end of each first spring is fixedly connected with the bottom surface of the second cavity;

the stop device with the spout one-to-one, every stop device all includes: the limiting sliding block, the connecting rod and the second spring;

the limiting sliding blocks are arranged in the corresponding sliding grooves in a sliding manner;

the connecting rod is positioned in the second cavity of the lower shell and arranged along the sliding groove, and the upper surface of one end of the connecting rod is fixedly connected with the lower surface of the limiting sliding block;

the second spring is positioned in the second cavity of the lower shell, one end of the second spring is fixedly connected with the side wall of the second cavity, and the other end of the second spring is fixedly connected with the other end of the connecting rod.

Preferably, a pulling plate is arranged between the limiting devices at two ends of the installation slot hole, one end of the pulling plate is fixedly connected with one limiting slide block in one limiting device, and the other end of the pulling plate is fixedly connected with the other limiting slide block in the other limiting device.

Preferably, the upper surface of the lower shell is provided with two accommodating grooves and two clamping grooves respectively;

a supporting rod is arranged in each accommodating groove, and a convex edge extending outwards is arranged on the side wall of one end of each supporting rod close to the end part along the circumferential direction;

two the draw-in groove all is located the one end of installation slotted hole, and two distance between the draw-in groove with the width adaptation of universal meter.

Further preferably, each clamping groove is long-strip-shaped, and limiting plates are arranged in the clamping grooves at intervals along the length direction.

Further preferably, the top surface of the first cavity in the upper shell is provided with a magic tape, and the magic tape is located on one side of the winding post.

On the other hand, the utility model also provides an universal meter with safeguard function, this universal meter includes: the device comprises a universal meter, a protective shell for the universal meter and two detection pens;

the protective shell for the multimeter is any one of the protective shells;

the universal meter is arranged in a mounting groove hole of a lower shell in the protective shell for the universal meter, and two ends of the universal meter are respectively limited by the limiting devices;

every the end of detecting the pen all is provided with the power cord, every detect pen and power cord all set up in go up in the protective housing for the universal meter in the first cavity of casing 1, and every detect the pen all fixed set up in the buckle, the power cord all twine in the outside of wrapping post.

The utility model provides a protective housing for universal meter adopts articulated spiral-lock mode to connect through last casing and inferior valve body for the two can be opened and closed, through at last casing and the internal first cavity and the second cavity of setting up respectively of inferior valve, can put into universal meter and accessory wherein during the use, through the protection of last casing and lower casing, can prevent effectively that external object from directly striking the universal meter, avoid the universal meter to receive the damage under external force striking, go on smoothly with detection work in order to ensure to measure, construction progress and work efficiency are improved.

In addition, the universal meter supports through the bottom plate in casing down, and sets up first spring in the bottom plate below, can effectively alleviate the universal meter with protective housing through setting up of spring and to the produced impact force of universal meter under the external force striking, further prevent that the universal meter is impaired, improve the protecting effect. Meanwhile, the protective device utilizes a limiting block in the limiting device to fix the universal meter, the universal meter in the protective shell for the universal meter is prevented from shaking, and the universal meter is prevented from being damaged.

To sum up, the utility model provides a protective housing for universal meter can effectually protect the universal meter, avoids the universal meter impaired, has that the protecting effect is good, the security is high, convenient to use, maintenance rate are low, construction cost of maintenance is few, advantages such as work efficiency height.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a multimeter according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of an upper case in a protective case for a multimeter according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a lower case in a protective case for a multimeter according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a multimeter according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

Referring to fig. 2 and 3, the protective case for the multimeter comprises an upper case 1, a lower case 2 and a plurality of position-limiting devices 3, wherein the upper case 1 is hinged and buckled above the lower case 2, a first cavity communicated with the outside is arranged on the lower surface of the upper case 1, a winding post 11 and a buckle 12 are arranged on the top surface of the first cavity, a second cavity is arranged in the lower case 2, a mounting slot communicated with the second cavity is arranged on the upper surface of the lower case 2, two sliding grooves 21 extending outwards along the length direction of the mounting slot are respectively arranged at intervals at two ends of the mounting slot, each sliding groove 21 is respectively communicated with the second cavity and the mounting slot, a bottom plate 22 is arranged in the second cavity, the position of the bottom plate 22 is opposite to the position of the mounting slot, a plurality of first springs 23 are arranged at intervals below the bottom plate 22, and every first spring 23 equal upper end and bottom plate 22's lower surface fixed connection, lower extreme and the bottom surface fixed connection of second cavity, stop device 3 and spout 21 one-to-one, see fig. 3, every stop device 3 all includes: limiting slide block 31, connecting rod 32 and second spring 33, wherein, limiting slide block 31 slides and sets up in spout 21, and connecting rod 32 is located the second cavity of casing 2 down, sets up along spout 21, and the lower surface fixed connection of one end upper surface and limiting slide block 31 of connecting rod 32, and second spring 33 is located the second cavity of casing 2 down, and second spring 33 one end and the lateral wall fixed connection of second cavity, the other end and the other end fixed connection of connecting rod 32.

The protective shell for the multimeter comprises the following specific using steps: at first open the upper casing to with spacing slider on the lower casing to the outside pulling, the first spring promotion of bottom plate below is upwards removed down afterwards, with the universal meter on the bottom plate release, then operating personnel fixes the universal meter and connects the accessory, alright carry out relevant measurement and detection work with using the universal meter. After the universal meter finishes using, operating personnel places the universal meter on the bottom plate and promotes the universal meter downwards, impresses the universal meter in the second cavity in the casing down, at this moment, spacing slider moves to the inboard under the promotion of second spring to block the universal meter, in order to realize the fixed to the universal meter, will go up casing and casing closure down at last.

Foretell protective housing for universal meter utilizes the mode that adopts articulated spiral-lock between casing and the lower casing for opening and closure that last casing and lower casing can be smooth, and at last casing and the internal part of inferior valve respectively set up first cavity and second cavity, so that place universal meter and accessory smoothly in this protective housing for universal meter. When the circumstances such as the object appears dropping, external force striking, carelessly fall take place, this universal meter is with protection shell can effectively keep out the external force impact, avoids universal meter and external object direct collision, and then prevents that the universal meter is impaired, has played the guard action to the universal meter. In addition, through set up the bottom plate that can reciprocate in the second cavity in the casing down to set up first spring in bottom plate below, can effectually alleviate the impact force that outside striking produced the universal meter, further guaranteed that the universal meter does not receive external force to damage, improved the protective effect to the universal meter. Meanwhile, through setting up spacing slider, can be effectual with the universal meter fixed under in the second cavity of casing, when having avoided this protective housing for universal meter to receive the impact, because its inside universal meter produces rocks and leads to the impaired condition of universal meter to take place, prevent that universal meter and this protective housing for universal meter from producing the striking, further improved the protective effect. This protecting sheathing for universal meter can effectually resist the impact of external force, and the protection universal meter does not receive the damage, has avoided the impaired universal meter of a lot of repeated maintenance and change, and then has reduced construction cost, has also guaranteed going on smoothly of measurement and detection work simultaneously, has not only improved the construction progress, has still improved work efficiency. To sum up, this protective housing for universal meter has advantages such as security height, protecting effect are good, convenient to use.

In the protective shell for the multimeter, the pull plate 4 is arranged between the limiting devices 3 at two ends of the installation slotted hole, one end of the pull plate 4 is fixedly connected with the limiting slide block 31 in one limiting device 3, and the other end of the pull plate 4 is fixedly connected with the limiting slide block 31 in the other limiting device 3. Set up the arm-tie between two limit slide of homonymy, operating personnel accessible pulling arm-tie with two limit slide of homonymy pulling to the outside simultaneously to the universal meter shifts out smoothly in following the second cavity in the casing down, has made things convenient for operating personnel to use the universal meter from this, has improved operating personnel's work efficiency.

In foretell protective housing for universal meter, the upper surface of casing 2 is provided with two holding tanks 24 and two draw-in grooves 25 respectively down, all is equipped with branch 125 in every holding tank 24, and the lateral wall that one end is close to the tip in branch 125 is provided with the protruding edge of outside extension along circumference, and two draw-in grooves 25 all are located the one end of installation slotted hole, and the width adaptation of distance between two draw-in grooves 25 and universal meter. When operating personnel used the universal meter, supported the lower extreme of two branch respectively in two draw-in grooves, the upper end of two branch is fixed in universal meter upper portion both sides, and the universal meter is fixed on the casing down to one side under the support of two branch, need not the handheld universal meter of operating personnel, has made things convenient for operating personnel to carry out subsequent measurement and detection achievement, has improved operating personnel's work efficiency.

In order to facilitate an operator to read the reading on the multimeter, in the protective shell for the multimeter, each clamping groove 25 is in a long strip shape, and limiting plates are arranged in the clamping grooves 25 at intervals along the length direction. The inclination angle of the universal meter can be adjusted by fixing the lower end of the supporting rod on different limiting plates in the clamping groove, and the inclination angle of the universal meter can be freely adjusted by an operator according to the height and the surrounding environment condition, so that the operator can clearly and accurately see the reading on the universal meter, the working efficiency of the operator is improved, and the practicability is higher.

In order to fix the accessory of the multimeter, in the protective shell for the multimeter, the top surface of the first cavity in the upper shell body 1 is provided with the magic tape 13, and the magic tape 13 is located on one side of the winding post 11. Utilize the magic to paste the accessory with the universal meter and fix, the accessory takes place to drop when having avoided the universal meter to use, loses even, has guaranteed from this that the universal meter can normal use, prevents that the obstructed condition of job schedule that leads to from this from taking place, has improved work efficiency.

Referring to fig. 1 for a multimeter with safeguard function, this multimeter with safeguard function comprises multimeter A, protective housing B and two detection pen C for the multimeter constitute, protective housing B for the multimeter is foretell any one, multimeter A sets up in the mounting slot of casing 2 down in protective housing B for the multimeter, and multimeter A's both ends are carried on spacingly by stop device 3 respectively, every detection pen C's end all is provided with power cord C1, every detection pen C and power cord C1 all set up in the protective housing B for the multimeter in the first cavity of casing 1, and every detection pen C all fixes and sets up in buckle 12, power cord C1 all twines in the outside of wrapping post 11.

The multimeter with the protection function comprises the following specific operation steps: referring to fig. 4, at first open the upper housing, to the spacing slider of outside pulling, the universal meter rises under the promotion of bottom plate and first spring, then operating personnel takes out two branches, and fix the lower extreme of two branches in the draw-in groove, the upper end of two branches is fixed in the universal meter both sides, it is fixed with the universal meter slope, take out the test pen at last from the first cavity in the upper housing, loosen the power cord, insert the universal meter with the one end of power cord, open the universal meter afterwards, alright measure and detect work.

Foretell universal meter with safeguard function through setting up the protective housing for the universal meter, can effectually protect the universal meter, avoids the universal meter impaired, has advantages such as security height, protecting effect are good. Meanwhile, accessories (a detection pen and a power line) of the universal meter are also placed in the protective shell for the universal meter, so that the accessories are prevented from being lost, operators can use the universal meter conveniently, and the working efficiency of the operators is improved.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (6)

1. A protective case for a multimeter, comprising: the device comprises an upper shell (1), a lower shell (2) and a plurality of limiting devices (3);

the upper shell (1) is hinged and buckled above the lower shell (2), a first cavity communicated with the outside is arranged on the lower surface of the upper shell (1), and a winding post (11) and a buckle (12) are arranged on the top surface of the first cavity;

a second cavity is arranged in the lower shell (2), an installation slot communicated with the second cavity is arranged on the upper surface of the lower shell (2), two sliding chutes (21) extending outwards along the length direction of the installation slot are respectively arranged at intervals at two ends of the installation slot, each sliding chute (21) is respectively communicated with the second cavity and the installation slot, a bottom plate (22) is arranged in the second cavity, the position of the bottom plate (22) is opposite to that of the installation slot, a plurality of first springs (23) are arranged at intervals below the bottom plate (22), the upper end of each first spring (23) is fixedly connected with the lower surface of the bottom plate (22), and the lower end of each first spring (23) is fixedly connected with the bottom surface of the second cavity;

stop device (3) with spout (21) one-to-one, every stop device (3) all includes: a limit slide block (31), a connecting rod (32) and a second spring (33);

the limiting sliding blocks (31) are arranged in the corresponding sliding grooves (21) in a sliding manner;

the connecting rod (32) is positioned in a second cavity of the lower shell (2) and arranged along the sliding groove (21), and the upper surface of one end of the connecting rod (32) is fixedly connected with the lower surface of the limiting sliding block (31);

the second spring (33) is located in a second cavity of the lower shell (2), one end of the second spring (33) is fixedly connected with the side wall of the second cavity, and the other end of the second spring is fixedly connected with the other end of the connecting rod (32).

2. The protective case for the multimeter according to claim 1, wherein a pull plate (4) is arranged between the limiting devices (3) at two ends of the installation slot, one end of the pull plate (4) is fixedly connected with a limiting slide block (31) in one limiting device (3), and the other end of the pull plate is fixedly connected with a limiting slide block (31) in the other limiting device (3).

3. The protective case for the multimeter according to claim 1, wherein two receiving grooves (24) and two clamping grooves (25) are respectively arranged on the upper surface of the lower case (2);

a support rod (125) is arranged in each accommodating groove (24), and a convex edge extending outwards is arranged on the side wall of one end of each support rod (125) close to the end part along the circumferential direction;

two draw-in grooves (25) all are located the one end of installation slotted hole, and two the distance between draw-in groove (25) with the width adaptation of universal meter.

4. The protective shell for the multimeter according to claim 3, wherein each of the slots (25) is in a shape of a strip, and limiting plates are arranged in the slots (25) at intervals along a length direction.

5. The protective case for the multimeter according to claim 1, wherein a magic tape (13) is disposed on a top surface of the first cavity in the upper case (1), and the magic tape (13) is located on one side of the winding post (11).

6. A multimeter having a guard function, comprising: the universal meter comprises a universal meter (A), a protective shell (B) for the universal meter and two detection pens (C);

the protective shell (B) for the multimeter is any one of claims 1-5;

the universal meter (A) is arranged in a mounting groove hole of the lower shell (2) in the protective shell (B) for the universal meter, and two ends of the universal meter (A) are respectively limited by the limiting devices (3);

every the end of detection pen (C) all is provided with power cord (C1), every detection pen (C) and power cord (C1) all set up in the first cavity of middle and upper casing (1) of protective housing (B) for the universal meter, and every detection pen (C) all fixed set up in buckle (12), power cord (C1) all twine in the outside of wrapping post (11).

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