CN211878055U

CN211878055U - Portable digital multimeter

Info

Publication number: CN211878055U
Application number: CN202020065828.6U
Authority: CN
Inventors: 陈志忠
Original assignee: Zhangzhou Huayi Electronics Co ltd
Current assignee: Zhangzhou Huayi Electronics Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-06
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a portable digital multimeter, including digital multimeter and test pen, the wiring hole has been seted up to digital multimeter's front surface bottom position, digital multimeter's anterior top position movable mounting that is located the wiring hole has adjust knob, digital multimeter's anterior top position movable mounting that is located adjust knob has the keyboard. A portable digital multimeter, can conveniently twine the electric wire of test pen inside a card pen groove, then go into the inside of a card pen groove with test pen card for it is more convenient to accomodate test pen, secondly, can be through outer rubber, the elasticity of inlayer rubber self plays better shock attenuation effect, elastic cellular filler, when the impact force produces, can play better deformability, improve buffering effect, the damage phenomenon of digital multimeter has been reduced, do benefit to the use more.

Description

Portable digital multimeter

Technical Field

The utility model relates to an universal meter field, in particular to portable digital universal meter.

Background

The digital multimeter is an indispensable measuring instrument in the fields of power electronics and the like, generally takes the measurement of voltage, current and resistance as main purposes, is divided into a pointer multimeter and a digital multimeter according to a display mode, presents measurement data in a digital form through a display screen, enables the data display to be more visual, and is convenient to carry because the volume of the digital multimeter is similar to the size of a mobile phone; the universal meter needs collocation test pen to use simultaneously when using, and traditional universal meter is usually set up at whole universal meter front portion and is put a groove, people are placing test pen in, have elasticity because of the electric wire, consequently need fold the electric wire, and utilize the inside that just can normal card go into to put a groove after the instrument is tied up, it is relatively more troublesome to use, and the folding range of electric wire is great, cause the rupture to the electric wire easily, the phenomenon of rupture, the security is not high, the result of use is poor, secondly do not possess the shock attenuation and prevent the efficiency of falling, belong to more accurate digital instrument because of the universal meter, the impact force when falling leads to the damage of universal meter very easily, the life of universal meter has been reduced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a portable digital multimeter which can effectively solve the problems of the background art.

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

the utility model provides a portable digital multimeter, includes digital multimeter and test pen, the wiring hole has been seted up to digital multimeter's front surface bottom position, digital multimeter's the anterior top position movable mounting that is located the wiring hole has adjust knob, digital multimeter's the anterior top position movable mounting that is located adjust knob has the keyboard, digital multimeter's the anterior top position embedding that is located the keyboard is installed the display screen, digital multimeter's outside is equipped with puts a mechanism, it prevents falling the mechanism to put to be equipped with between a mechanism and the digital multimeter.

Preferably, the pen placing mechanism comprises an outer casing, a pen clamping groove, a first elastic clamping block and a second elastic clamping block, the outer casing is sleeved outside the digital multimeter, the pen clamping groove is formed in the outer surface of the outer casing, the first elastic clamping block is fixedly connected to the rear portion of the inside of the pen clamping groove, and the second elastic clamping block is fixedly connected to the front portion of the inside of the pen clamping groove.

Preferably, the first elastic clamping block and the second elastic clamping block are both triangular arc-shaped, the number of the first elastic clamping block and the second elastic clamping block on one side of the outer casing is three, two notches are formed in the lower position of the front surface of the outer casing, and the notches vertically correspond to the wiring holes.

Preferably, the outer surface of the detection pen is provided with three clamping grooves, and the three clamping grooves are respectively connected with the three first elastic clamping blocks and the second elastic clamping blocks in a clamping manner.

Preferably, the anti-falling mechanism comprises outer rubber, inner rubber, an elastic cellular filler and an exhaust hole, the outer rubber and the inner rubber are sleeved between the digital multimeter and the outer sleeve shell, the elastic cellular filler is filled between the outer rubber and the inner rubber, and the exhaust hole is formed in one side surface of the outer rubber.

Preferably, the vent hole is conical in shape and is communicated with the pen clamping groove.

Compared with the prior art, the utility model discloses following beneficial effect has: in the utility model, the electric wire of the detection pen can be conveniently wound inside the pen clamping groove through the pen placing mechanism, then the detection pen is clamped into the pen clamping groove, the detection pen wire is not required to be bundled by an external tool, so that the detection pen is more convenient to store, and the plug of the detection pen can be inserted into the wiring hole to play a dustproof effect on the wiring hole, moreover, the corners of the pen clamping groove are provided with chamfers, so that the bending amplitude of the wire of the detection pen is reduced, the phenomena of breakage and fracture are reduced, the safety is higher, the anti-falling mechanism can play a good role in shock absorption through the elasticity of the outer layer rubber and the inner layer rubber, and the elastic honeycomb filler, when the impact force is generated, the deformation capacity is better, the buffering effect is improved, the damage phenomenon of the digital multimeter is reduced, and the use is more facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of a portable digital multimeter of the present invention;

FIG. 2 is a cross-sectional top view of a portable digital multimeter of the present invention;

fig. 3 is the utility model relates to a portable digital multimeter prevent falling mechanism sectional view.

In the figure: 1. a digital multimeter; 2. a wiring hole; 3. adjusting a knob; 4. a keyboard; 5. a display screen; 6. a pen placing mechanism; 7. an outer casing; 8. a pen clamping groove; 9. a first elastic clamping block; 10. a second elastic clamping block; 11. an anti-falling mechanism; 12. outer layer rubber; 13. inner layer rubber; 14. an elastic honeycomb filler; 15. an exhaust hole; 16. a detection pen; 17. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a portable digital multimeter comprises a digital multimeter 1 and a detection pen 16, wherein a wiring hole 2 is formed in the bottom position of the front surface of the digital multimeter 1, an adjusting knob 3 is movably mounted at the position, located above the wiring hole 2, of the front portion of the digital multimeter 1, a keyboard 4 is movably mounted at the position, located above the adjusting knob 3, of the front portion of the digital multimeter 1, a display screen 5 is embedded and mounted at the position, located above the keyboard 4, of the front portion of the digital multimeter 1, a pen placing mechanism 6 is arranged outside the digital multimeter 1, and an anti-falling mechanism 11 is arranged between the pen placing mechanism 6 and;

the pen placing mechanism 6 comprises an outer casing 7, a pen clamping groove 8, a first elastic clamping block 9 and a second elastic clamping block 10, the outer casing 7 is sleeved outside the digital multimeter 1, the pen clamping groove 8 is formed in the outer surface of the outer casing 7, the first elastic clamping block 9 is fixedly connected to the rear position inside the pen clamping groove 8, and the second elastic clamping block 10 is fixedly connected to the front position inside the pen clamping groove 8; the first elastic fixture block 9 and the second elastic fixture block 10 are both in a triangular arc shape, the number of the first elastic fixture block 9 and the second elastic fixture block 10 on one side of the outer casing 7 is three, and two notches are formed in the lower position of the front surface of the outer casing 7 and vertically correspond to the wiring hole 2; the outer surface of the detection pen 16 is provided with three clamping grooves 17, and the three clamping grooves 17 are respectively connected with the three first elastic clamping blocks 9 and the second elastic clamping blocks 10 in a clamping manner; the anti-falling mechanism 11 comprises outer layer rubber 12, inner layer rubber 13, elastic honeycomb-shaped filler 14 and exhaust holes 15, wherein the outer layer rubber 12 and the inner layer rubber 13 are sleeved between the digital multimeter 1 and the outer casing 7, the elastic honeycomb-shaped filler 14 is filled between the outer layer rubber 12 and the inner layer rubber 13, and the exhaust holes 15 are formed in one side surface of the outer layer rubber 12; the shape of the vent hole 15 is conical, and the vent hole 15 is communicated with the pen clamping groove 8.

It should be noted that, the utility model relates to a portable digital multimeter, when in use, the plug of the detection pen 16 is inserted into the wiring hole 2, then the detection pen 16 is placed at the position to be detected, and the digital multimeter 1 is operated functionally, after in use, the plug of the detection pen 16 does not need to be pulled out, the electric wire is clamped into the slot below the front surface of the outer casing 7, then the electric wire is wound in the pen clamping groove 8, the slot can avoid the phenomenon of electric wire sliding, after the electric wire is wound, the clamping groove 17 of the detection pen 16 corresponds to the first elastic clamping block 9 and the second elastic clamping block 10 of the pen clamping groove 8, then the detection pen 16 is clamped into the pen clamping groove 8, the storage of the detection pen 16 and the electric wire can be completed, and the plug of the detection pen 16 does not need to be pulled out, and the dustproof effect of the wiring hole 2 can be played, secondly, each corner of the pen clamping groove 8 is provided with a chamfer, the bending amplitude of the electric wire can be reduced, the electric wire can be prevented from being broken and cracked, the electric wire can be stored in a winding mode without being bundled by an external tool, the storage of the detection pen 16 is more convenient, secondly, when people carelessly drop the digital multimeter 1, the impact force can push the outer sleeve shell 7 to apply force to the outer layer rubber 12, a better damping effect can be achieved through the elasticity of the outer layer rubber 12 and the inner layer rubber 13, meanwhile, the honeycomb structure of the elastic honeycomb filler 14 can achieve better deformation capacity when the impact force is generated, the buffering effect can be further increased, in addition, when the impact force is generated, the air between the outer layer rubber 12 and the inner layer rubber 13 can be extruded and exhausted through the exhaust hole 15, and then when the impact force is lost, outer rubber 12 recovers, inhales the air through exhaust hole 15, exhausts and the in-process of breathing in, can play better damping effect, further improves the protectiveness to digital multimeter 1, does benefit to the use more.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable digital multimeter comprising: including digital multimeter (1) and test pen (16), wiring hole (2) have been seted up to the front surface bottom position of digital multimeter (1), the top position movable mounting that the front portion of digital multimeter (1) is located wiring hole (2) has adjust knob (3), the top position movable mounting that the front portion of digital multimeter (1) is located adjust knob (3) has keyboard (4), the top position embedding that the front portion of digital multimeter (1) is located keyboard (4) installs display screen (5), the outside of digital multimeter (1) is equipped with puts a mechanism (6), it is equipped with between a mechanism (6) and digital multimeter (1) and prevents falling mechanism (11).

2. A portable digital multimeter as recited in claim 1, wherein: put a mechanism (6) including outer jacketing (7), card pen groove (8), first elasticity fixture block (9) and second elasticity fixture block (10), the outside at digital multimeter (1) is established to outer jacketing (7) cover, the surface at outer jacketing (7) is seted up in card pen groove (8), first elasticity fixture block (9) fixed connection is in the inside rear portion position of card pen groove (8), second elasticity fixture block (10) fixed connection is in the inside front portion position of card pen groove (8).

3. A portable digital multimeter as recited in claim 2, wherein: the first elastic clamping blocks (9) and the second elastic clamping blocks (10) are in triangular arc shapes, the number of the first elastic clamping blocks (9) and the number of the second elastic clamping blocks (10) on one side of the outer casing (7) are three, two notches are formed in the lower position of the front surface of the outer casing (7), and the notches vertically correspond to the wiring holes (2).

4. A portable digital multimeter as recited in claim 3, wherein: the outer surface of the detection pen (16) is provided with three clamping grooves (17), and the three clamping grooves (17) are respectively connected with the three first elastic clamping blocks (9) and the second elastic clamping blocks (10) in a clamping manner.

5. A portable digital multimeter as recited in claim 4, wherein: prevent falling mechanism (11) including outer rubber (12), inlayer rubber (13), the cellular filler of elasticity (14) and exhaust hole (15), outer rubber (12) and inlayer rubber (13) cover are established between digital multimeter (1) and outer clamshell (7), the cellular filler of elasticity (14) is filled between outer rubber (12) and inlayer rubber (13), exhaust hole (15) are seted up on a side surface of outer rubber (12).

6. A portable digital multimeter as recited in claim 5, wherein: the shape of the exhaust hole (15) is conical, and the exhaust hole (15) is communicated with the pen clamping groove (8).