CN215768740U - Multimeter with protection function for measuring circuit - Google Patents
Multimeter with protection function for measuring circuit Download PDFInfo
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- CN215768740U CN215768740U CN202121852177.6U CN202121852177U CN215768740U CN 215768740 U CN215768740 U CN 215768740U CN 202121852177 U CN202121852177 U CN 202121852177U CN 215768740 U CN215768740 U CN 215768740U
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- multimeter
- shell
- protective
- universal meter
- protection function
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Abstract
The utility model discloses a multimeter with a protection function for a measuring circuit, which comprises a multimeter shell, wherein a display screen is arranged at the front end of the multimeter shell, and plug-in connectors which are distributed at equal intervals are arranged on one side below the display screen; the protective shell is arranged outside the multimeter shell, a sliding plate is arranged at the front end of the protective shell, guide grooves are formed in two sides of the sliding plate, limiting plates are arranged on two sides above the sliding plate, and knobs are arranged in the limiting plates; the anti-collision silica gel pad is arranged at one end of the display screen, one end of the multimeter shell is connected with a damping rubber plate, and the two sides of one end of the damping rubber plate are provided with miniature electric push rods. This universal meter for measuring circuit with protect function compares with current device, can surround the universal meter casing through the protective housing to can avoid external article to the direct striking of universal meter casing, crashproof silica gel pad can absorb its impact when the protective housing receives external force.
Description
Technical Field
The utility model relates to the technical field of multimeters, in particular to a multimeter with a protection function for a measuring circuit.
Background
The multimeter is a magnetoelectric instrument with a rectifier and capable of measuring a plurality of electrical parameters such as alternating current, direct current, voltage, resistance and the like, is also called as a multiplex meter, a multi-purpose meter, a three-purpose meter, a multi-purpose meter and the like, is an indispensable measuring instrument for departments such as power electronics and the like, and generally aims at measuring voltage, current and resistance.
The existing multimeter is not provided with a professional protection device, and the multimeter is very easy to be damaged due to the fact that the multimeter accidentally drops or is collided by an object in the using process, so that the measuring result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multimeter with a protection function for a measuring circuit, and aims to solve the problems that the multimeter is damaged and the measuring result is influenced because the existing multimeter is not provided with a professional protection device and is easily subjected to accidental dropping or object collision in the using process.
In order to achieve the purpose, the utility model provides the following technical scheme: a multimeter for measurement circuits having a protection function, comprising:
the universal meter comprises a universal meter shell, a display screen is arranged at the front end of the universal meter shell, and plug-in connectors distributed at equal intervals are arranged on one side below the display screen;
the heat dissipation ports are formed in the left side and the right side of the universal meter shell, and a dust screen is mounted on one side, away from the vertical center line of the universal meter shell, of each heat dissipation port;
the protective shell is arranged outside the multimeter shell, a sliding plate is arranged at the front end of the protective shell, guide grooves are formed in two sides of the sliding plate, limiting plates are arranged on two sides above the sliding plate, and knobs are arranged in the limiting plates;
the anti-collision silica gel pad is arranged at one end of the display screen, one end of the multimeter shell is connected with a damping rubber plate, and two sides of one end of the damping rubber plate are provided with miniature electric push rods;
the circuit pen groove is arranged on the left side of the protective shell, and an elastic ring is arranged above the circuit pen groove.
Preferably, the heat dissipation opening is symmetrically distributed about the vertical center line of the universal meter shell, the dustproof net is parallel to the heat dissipation opening, and the dustproof net is of a hollow mesh structure.
Preferably, a semi-surrounding structure is formed between the protective shell and the multimeter casing, and the sliding plate and the protective shell form a sliding structure through the guide groove.
Preferably, the anti-collision silica gel pad is parallel to the universal meter shell, and a stretching structure is formed between the miniature electric push rod and the damping rubber plate.
Preferably, the circuit pen groove is fixedly connected with the left side of the protective shell, and the elastic ring is of a circular ring structure.
Preferably, the protective case is further provided with:
the storage groove is fixed at one end of the protective shell, a supporting rod is movably mounted at one end of the storage groove, and a rotating shaft is arranged above the supporting rod.
Preferably, the support rod forms a rotating structure with the accommodating groove through the rotating shaft, and forms a semi-surrounding structure with the support rod.
Compared with the prior art, the utility model provides the multimeter with the protection function for the measuring circuit, which has the following beneficial effects: this universal meter for measuring circuit with protect function can surround the universal meter casing through the protective housing to can avoid external article to the direct striking of universal meter casing, crashproof silica gel pad can absorb its impact when the protective housing receives external force, thereby reaches the effect of protection.
1. The universal meter shell can conveniently radiate hot air in the universal meter shell through the heat radiating port, and can prevent external dust from entering the universal meter shell through the dustproof net to cause damage to internal elements of the universal meter shell;
2. according to the universal meter, the universal meter shell can be surrounded by the protective shell, so that direct impact of external objects on the universal meter shell can be avoided, the sliding plate can be moved by the guide groove, the protective shell can be opened and closed conveniently, the anti-collision silica gel pad can absorb impact force of the protective shell when the protective shell is subjected to external force, so that a protection effect is achieved, the miniature electric push rod can drive the damping rubber plate to move forwards, so that the universal meter shell can be pushed out of the protective shell and is convenient to use, the problem that the universal meter is damaged due to the fact that the universal meter accidentally drops or is collided by an object easily occurs in the using process, and the measuring result of the universal meter is influenced is solved;
3. the universal meter casing can be placed and stored conveniently through the circuit pen groove, the elastic ring can tighten the upper end of the circuit pen groove, the placing tightness of the circuit pen can be improved, the circuit pen is prevented from falling off, the supporting rod can be rotated through the rotating shaft, the supporting rod can be adjusted conveniently after the supporting rod is rotated, the universal meter casing is more convenient to use, the supporting rod can be conveniently stored through the containing groove, and the universal meter casing can be carried conveniently.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the protective case of the present invention;
FIG. 3 is a schematic view of the protective case of the present invention shown closed;
fig. 4 is a schematic view of the internal structure of the protective case of the present invention placed horizontally;
FIG. 5 is a schematic side view of the support rod of the present invention.
In the figure: 1. a multimeter housing; 2. a plug-in connector; 3. a display screen; 4. a heat dissipation port; 5. a protective shell; 6. a circuit pen slot; 7. an elastic ring; 8. a sliding plate; 9. a guide groove; 10. a limiting plate; 11. a knob; 12. a dust screen; 13. an anti-collision silica gel pad; 14. a damping rubber plate; 15. a miniature electric push rod; 16. a support bar; 17. a rotating shaft; 18. a receiving groove.
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. 1-3, a multimeter for measuring circuit with protection function includes: the universal meter comprises a universal meter shell 1, wherein a display screen 3 is arranged at the front end of the universal meter shell 1, and plug-in connectors 2 which are distributed at equal intervals are arranged on one side below the display screen 3; the heat dissipation ports 4 are formed in the left side and the right side of the multimeter shell 1, and dust screens 12 are mounted on one sides, away from the vertical center line of the multimeter shell 1, of the heat dissipation ports 4; the heat dissipation ports 4 are symmetrically distributed about the vertical center line of the multimeter shell 1, the dustproof net 12 is parallel to the heat dissipation ports 4, and the structure of the dustproof net 12 is a hollow mesh structure; the heat dissipation port 4 can facilitate the dissipation of hot air in the universal meter shell 1, and external dust can be prevented from entering the universal meter shell 1 through the dustproof net 12 to cause the damage of internal elements; the protective shell 5 is installed outside the multimeter shell 1, a sliding plate 8 is arranged at the front end of the protective shell 5, guide grooves 9 are formed in two sides of the sliding plate 8, limiting plates 10 are arranged on two sides above the sliding plate 8, and knobs 11 are arranged in the limiting plates 10; a semi-surrounding structure is formed between the protective shell 5 and the multimeter shell 1, and a sliding structure is formed between the sliding plate 8 and the protective shell 5 through a guide groove 9; can surround multimeter casing 1 through protective housing 5 to can avoid the direct striking of external article to multimeter casing 1, can remove sliding plate 8 through guide way 9, thereby can be convenient for to opening and shutting of protective housing 5.
Referring to fig. 2 and 4, a multimeter for measuring circuit with protection function includes: the anti-collision silica gel pad 13 is arranged at one end of the display screen 3, one end of the universal meter shell 1 is connected with a damping rubber plate 14, and two sides of one end of the damping rubber plate 14 are respectively provided with a micro electric push rod 15; the anti-collision silica gel pad 13 is parallel to the multimeter shell 1, and a stretching structure is formed between the miniature electric push rod 15 and the damping rubber plate 14; the anti-collision silica gel pad 13 can absorb the impact force of the protective shell 5 when the protective shell 5 is subjected to external force, so that the protective effect is achieved, the miniature electric push rod 15 can drive the damping rubber plate 14 to move forwards, so that the universal meter shell 1 can be pushed out of the protective shell 5, the universal meter is convenient to use, and the problems that the conventional universal meter is not provided with a professional protective device, and the universal meter is damaged and the measuring result is influenced due to the fact that the universal meter falls accidentally or is collided by an object easily in the using process are solved; a circuit pen groove 6 which is arranged at the left side of the protective shell 5, and an elastic ring 7 is arranged above the circuit pen groove 6; the circuit pen groove 6 is fixedly connected with the left side of the protective shell 5, and the elastic ring 7 is of a circular structure; can be convenient for accomodate placing of circuit pen through circuit pen groove 6, elastic ring 7 can tighten up the upper end of circuit pen groove 6 to can increase the compactness that circuit pen placed, prevent to drop.
Referring to fig. 5, a multimeter with protection function for measuring circuit includes: a receiving groove 18 fixed at one end of the protective shell 5, wherein a support rod 16 is movably mounted at one end of the receiving groove 18, and a rotating shaft 17 is arranged above the support rod 16; the support bar 16 forms a rotating structure through the rotating shaft 17 and the accommodating groove 18, and a semi-surrounding structure is formed between the accommodating groove 18 and the support bar 16; can rotate bracing piece 16 through pivot 17, the regulation of angle is placed to universal meter casing 1 that bracing piece 16 can be convenient for after the rotation, and convenient to use more accomodates groove 18 and is convenient for accomodate bracing piece 16 to the carrying of universal meter casing 1 of can being convenient for.
The working principle is as follows: when the multimeter with the protection function is used for the measuring circuit, firstly, the sliding plate 8 is moved upwards through the guide groove 9, so that the protective shell 5 can be opened, and then the supporting rod 16 is rotated through the rotating shaft 17, so that the placing angle of the multimeter shell 1 is adjusted, and the multimeter is more convenient to use; secondly, starting a micro electric push rod 15, wherein the micro electric push rod 15 drives a damping rubber plate 14 to move towards the outer side of the protective shell 5, so that the multimeter shell 1 can be pushed out of the protective shell 5 to be used, and in the using process, a circuit pen is connected with the plug-in connector 2, and circuit inspection data are displayed through the display screen 3; the heat dissipation port 4 is convenient for the dissipation of hot air in the universal meter shell 1, and the dust screen 12 prevents external dust from entering the universal meter shell 1 to cause the damage of internal elements; after the end of the use at last, accomodate the circuit pen to circuit pen groove 6 in, the upper end in circuit pen groove 6 has been tightened up through elastic ring 7, thereby can increase the compactness that the circuit pen was placed, prevent it and drop, push back the normal position back with sliding plate 8, rotate limiting plate 10 through knob 11, it is spacing to slide plate 8, when protecting sheathing 5 received external force striking, crashproof silica gel pad 13 can absorb the power that receives, thereby reach the effect of protection, again with bracing piece 16 rotatory to accomodating in the groove 18, can be convenient for to carry multimeter casing 1, this is exactly this theory of operation of multimeter for measuring circuit who has protect function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A multimeter for measuring circuits having a protection function, comprising:
the universal meter comprises a universal meter shell (1), wherein a display screen (3) is arranged at the front end of the universal meter shell (1), and plug-in connectors (2) which are distributed at equal intervals are arranged on one side below the display screen (3);
the heat dissipation ports (4) are formed in the left side and the right side of the multimeter shell (1), and dust screens (12) are mounted on one sides, away from the vertical center line of the multimeter shell (1), of the heat dissipation ports (4);
the protective shell (5) is installed outside the multimeter shell (1), a sliding plate (8) is arranged at the front end of the protective shell (5), guide grooves (9) are formed in two sides of the sliding plate (8), limiting plates (10) are arranged on two sides above the sliding plate (8), and knobs (11) are arranged in the limiting plates (10);
the anti-collision silica gel pad (13) is arranged at one end of the display screen (3), one end of the multimeter shell (1) is connected with a damping rubber plate (14), and two sides of one end of the damping rubber plate (14) are respectively provided with a micro electric push rod (15);
a circuit pen groove (6) arranged on the left side of the protective shell (5), and an elastic ring (7) is arranged above the circuit pen groove (6).
2. The multimeter having a protection function and used for measuring circuits according to claim 1, wherein the heat dissipation openings (4) are symmetrically distributed about a vertical center line of the multimeter case (1), the dust screen (12) and the heat dissipation openings (4) are parallel to each other, and the structure of the dust screen (12) is a hollow mesh structure.
3. A multimeter having a protection function for measurement circuits according to claim 1, wherein a semi-enclosed structure is formed between the protective case (5) and the multimeter case (1), and the sliding plate (8) is formed in a sliding structure with the protective case (5) through the guide slot (9).
4. The multimeter having a protection function and used for the measurement circuit according to claim 1, wherein the anti-collision silica gel pad (13) is parallel to the multimeter case (1), and a stretching structure is formed between the micro electric push rod (15) and the shock absorption rubber plate (14).
5. The multimeter for a measurement circuit with a protection function according to claim 1, wherein the circuit pen slot (6) is fixedly connected with the left side of the protective casing (5), and the elastic ring (7) is of a circular ring structure.
6. A multimeter for measurement circuits with protection according to claim 1, wherein the protective case (5) is further provided with:
accomodate groove (18), it is fixed the one end of protective housing (5), the one end movable mounting who accomodates groove (18) has bracing piece (16), and the top of bracing piece (16) is equipped with pivot (17).
7. The multimeter for measurement circuits with protection function according to claim 6, wherein the support bar (16) forms a rotary structure with the receiving groove (18) through the rotating shaft (17), and a semi-surrounding structure is formed between the receiving groove (18) and the support bar (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852177.6U CN215768740U (en) | 2021-08-09 | 2021-08-09 | Multimeter with protection function for measuring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852177.6U CN215768740U (en) | 2021-08-09 | 2021-08-09 | Multimeter with protection function for measuring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215768740U true CN215768740U (en) | 2022-02-08 |
Family
ID=80073135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121852177.6U Active CN215768740U (en) | 2021-08-09 | 2021-08-09 | Multimeter with protection function for measuring circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215768740U (en) |
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2021
- 2021-08-09 CN CN202121852177.6U patent/CN215768740U/en active Active
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