CN220207718U - Anti-falling digital multimeter - Google Patents

Abstract

The utility model discloses a digital multimeter with good anti-falling performance, which belongs to the technical field of digital multimeters. The utility model can reduce the collision force between the outer shell of the universal meter body and the ground, and improves the anti-falling performance of the digital universal meter.

Description

Anti-falling digital multimeter

Technical Field

The utility model relates to the technical field of digital multimeters, in particular to a digital multimeter with good anti-falling performance.

Background

The multimeter is also called as multiplexing meter, multipurpose meter, three-purpose meter, complex meter, etc. and is an indispensable measuring instrument for power electronics and other departments, and generally has the main purpose of measuring voltage, current and resistance, and is classified into pointer multimeter and digital multimeter according to display mode.

Among the prior art, digital multimeter generally has multimeter body, knob and display screen to constitute, and knob and display screen all set up on the multimeter body, and during the use, establish the connection with the multimeter body, adjust the gear through the knob, utilize the display screen to show corresponding numerical value.

However, when the digital multimeter is used, the digital multimeter needs to be held by a worker, and the situation that the digital multimeter is broken due to the fact that the worker is unhooked slightly occurs, so that the anti-falling performance is poor, and therefore, the digital multimeter has room for improvement.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the digital multimeter with good anti-falling performance, which has the advantages that: the collision force between the outer shell of the universal meter body and the ground can be reduced, and the anti-falling performance of the digital universal meter is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a digital multimeter that anti performance of falling is good, includes the multimeter body, the top of multimeter body is provided with the protective housing, the bottom of multimeter body is provided with the protective housing down, the multimeter body can be placed in the space that upper protective housing and lower protective housing formed, the sliding hole has been seted up at the top of protective housing down, the inner wall sliding connection of sliding hole has the sliding plate, the top of sliding plate is provided with the connecting rod, extension spring has been cup jointed to the outer wall of connecting rod, extension spring is located inside the sliding hole, the top of connecting rod is connected with the upper protective housing, the top inner wall of upper protective housing is provided with the clamp plate.

Through adopting above-mentioned technical scheme, during the use, upwards pulling goes up the protecting crust, arranges the universal meter body between last protecting crust and the lower protecting crust, then unclamp and go up the protecting crust, extension spring shrink drives and goes up the protecting crust and move down, goes up the back clamp plate and can offset with the top of universal meter body after the protecting crust removes to can firmly fix the universal meter body between last protecting crust and lower protecting crust, when the universal meter lands, go up protecting crust and lower protecting crust and can play good protective effect, can reduce the collision power of universal meter body shell and ground, improved the anti performance of falling of digital multimeter.

The utility model is further provided with: the top of last protecting crust is provided with the handle, handle and last protecting crust integrated into one piece.

Through adopting above-mentioned technical scheme, the setting of handle can make things convenient for people to upwards pull the upper shield, has improved the convenience of operation.

The utility model is further provided with: the top of lower protective housing is provided with the blotter.

Through adopting above-mentioned technical scheme, the setting of blotter can reduce the collision force when last protecting crust and lower protecting crust contact, and then reduces the wearing and tearing between last protecting crust and the lower protecting crust.

The utility model is further provided with: the cushion pad is made of rubber.

Through adopting above-mentioned technical scheme, the blotter of rubber material has better elasticity, has further reduced the wearing and tearing that produce when last protecting crust and lower protecting crust contact.

The utility model is further provided with: the both sides inner wall of last protecting crust and lower protecting crust all is provided with the buffer board, the buffer board is the silica gel material.

Through adopting above-mentioned technical scheme, the setting of buffer board can carry out buffering protection from the both sides of universal meter body, has further improved the anti ability of falling of universal meter.

The utility model is further provided with: the top and the bottom of the buffer plate are of cambered surface structures.

Through adopting above-mentioned technical scheme, be the design of cambered surface structure, can make the buffer board surface smoother, avoid the buffer board to lead to the fact wearing and tearing to the universal meter surface.

The utility model is further provided with: the bottom inner wall of lower protecting crust has seted up the buffer tank, the bottom inner wall of buffer tank is provided with a plurality of equidistance distribution's buffer spring, buffer spring's top is provided with the bearing frame, the bottom of universal meter body can just in time imbed in the bearing frame.

Through adopting above-mentioned technical scheme, when falling protective housing bottom to the ground, buffer spring can play good buffering effect, can reduce the collision force to minimum, avoids causing the damage to the universal meter.

The utility model is further provided with: limiting grooves are formed in the inner walls of the two sides of the buffer groove, the inner walls of the limiting grooves are connected with sliding blocks in a sliding mode, and the sliding blocks are connected with the bearing frame.

Through adopting above-mentioned technical scheme, when the bearing frame slides in the buffer tank, the slider can slide along the spacing groove, has improved the stability that the bearing frame removed.

In summary, the utility model has the following advantages:

1. when the universal meter is grounded, the upper protective shell and the lower protective shell can play a good protective role, the collision force between the outer shell of the universal meter body and the ground can be reduced, and the anti-falling performance of the digital universal meter is improved;

2. the buffer cushion can reduce collision force when the upper protective shell and the lower protective shell are contacted, so that abrasion between the upper protective shell and the lower protective shell is reduced; the buffer pad made of rubber has better elasticity, so that abrasion generated when the upper protective shell is contacted with the lower protective shell is further reduced;

3. when the bottom of the lower protective shell is grounded, the buffer spring can play a good role in buffering, so that the collision force can be reduced to the minimum, and damage to the universal meter is avoided; when the bearing frame slides in the buffer groove, the sliding block can slide along the limit groove, so that the moving stability of the bearing frame is improved.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic view showing the structure of the connection of the upper and lower shield shells according to the present embodiment;

FIG. 3 is a schematic cross-sectional view showing the structure of the lower shield shell according to the present embodiment;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals illustrate: 1. a multimeter body; 2. an upper protective shell; 3. a lower protective shell; 4. a sliding hole; 5. a sliding plate; 6. a connecting rod; 7. a tension spring; 8. a pressing plate; 9. a handle; 10. a cushion pad; 11. a buffer plate; 12. a buffer tank; 13. a buffer spring; 14. a bearing frame; 15. a limit groove; 16. a sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

1-4, including universal meter body 1, universal meter body 1's top is provided with protective housing 2, universal meter body 1's bottom is provided with protective housing 3 down, universal meter body 1 can place in the space that upper protective housing 2 and lower protective housing 3 formed, sliding hole 4 has been seted up at the top of protective housing 3 down, sliding plate 5 has been slidingly connected to the inner wall of sliding hole 4, sliding plate 5's top is provided with connecting rod 6, connecting rod 6's outer wall has cup jointed extension spring 7, extension spring 7 is located sliding hole 4 inside, connecting rod 6's top is connected with upper protective housing 2, upper protective housing 2's top inner wall is provided with clamp plate 8.

In this embodiment, the top of going up protective housing 2 is provided with handle 9, and handle 9 and last protective housing 2 integrated into one piece can make things convenient for people to upwards pull last protective housing 2 through handle 9, has improved the convenience of operation.

The top of the lower protective shell 3 is provided with the buffer cushion 10, and the buffer cushion 10 can reduce the collision force when the upper protective shell 2 and the lower protective shell 3 are contacted, so that the abrasion between the upper protective shell 2 and the lower protective shell 3 is reduced; the cushion pad 10 is made of rubber, and the cushion pad 10 made of rubber has better elasticity, so that abrasion generated when the upper protective shell 2 and the lower protective shell 3 are contacted is further reduced.

Furthermore, the inner walls of the two sides of the upper protective shell 2 and the lower protective shell 3 are respectively provided with a buffer plate 11, the buffer plates 11 are made of silica gel, and buffer protection can be carried out from the two sides of the multimeter body 1 through the buffer plates 11, so that the anti-falling capacity of the multimeter is further improved; the top and the bottom of buffer board 11 all are the cambered surface structure, are the design of cambered surface structure, can make the buffer board 11 surface smoother, avoid buffer board 11 to lead to the fact wearing and tearing to the universal meter surface.

It is worth mentioning that the inner wall of the bottom of the lower protecting shell 3 is provided with a buffer groove 12, the inner wall of the bottom of the buffer groove 12 is provided with a plurality of buffer springs 13 distributed at equal distance, the top of the buffer springs 13 is provided with a bearing frame 14, the bottom of the multimeter body 1 can be just embedded into the bearing frame 14, when the bottom of the lower protecting shell 3 is grounded, the buffer springs 13 can play a good role in buffering, collision force can be reduced to the minimum, and damage to the multimeter is avoided; the limiting grooves 15 are formed in the inner walls of the two sides of the buffer groove 12, the sliding blocks 16 are connected to the inner walls of the limiting grooves 15 in a sliding mode, the sliding blocks 16 are connected with the bearing frame 14, and when the bearing frame 14 slides in the buffer groove 12, the sliding blocks 16 can slide along the limiting grooves 15, so that the moving stability of the bearing frame 14 is improved.

The working process and the beneficial effects of the utility model are as follows: during the use, upwards pulling goes up protective housing 2, arrange multimeter body 1 between last protective housing 2 and lower protective housing 3, then loosen last protective housing 2, extension spring 7 shrink drives and goes up protective housing 2 downwardly moving, go up protective housing 2 and remove back clamp plate 8 and can offset with the top of multimeter body 1 to can firmly fix multimeter body 1 between last protective housing 2 and lower protective housing 3, when the multimeter lands, go up protective housing 2 and lower protective housing 3 can play good protective effect, can reduce multimeter body 1 shell and the collision force on ground, improved digital multimeter's anti-drop performance.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The utility model provides a digital multimeter that anti performance of falling is good, includes multimeter body (1), its characterized in that: the universal meter is characterized in that an upper protecting shell (2) is arranged at the top of the universal meter body (1), a lower protecting shell (3) is arranged at the bottom of the universal meter body (1), the universal meter body (1) is placed in a space formed by the upper protecting shell (2) and the lower protecting shell (3), a sliding hole (4) is formed in the top of the lower protecting shell (3), a sliding plate (5) is slidably connected to the inner wall of the sliding hole (4), a connecting rod (6) is arranged at the top of the sliding plate (5), a tension spring (7) is sleeved on the outer wall of the connecting rod (6), the tension spring (7) is located inside the sliding hole (4), and the top of the connecting rod (6) is connected with the upper protecting shell (2), and a pressing plate (8) is arranged on the inner wall of the top of the upper protecting shell (2).

2. The digital multimeter of claim 1 having improved shatter resistance, wherein: the top of last protecting crust (2) is provided with handle (9), handle (9) and last protecting crust (2) integrated into one piece.

3. The digital multimeter of claim 1 having improved shatter resistance, wherein: the top of the lower protective shell (3) is provided with a buffer pad (10).

4. A digital multimeter having improved shatter resistance according to claim 3 wherein: the cushion pad (10) is made of rubber.

5. The digital multimeter of claim 1 having improved shatter resistance, wherein: the two side inner walls of the upper protective shell (2) and the lower protective shell (3) are respectively provided with a buffer plate (11), and the buffer plates (11) are made of silica gel.

6. The digital multimeter of claim 1 having improved shatter resistance, wherein: the universal meter is characterized in that a buffer groove (12) is formed in the inner wall of the bottom of the lower protective shell (3), a plurality of buffer springs (13) distributed at equal intervals are arranged on the inner wall of the bottom of the buffer groove (12), a supporting frame (14) is arranged at the top of each buffer spring (13), and the bottom of the universal meter body (1) can be just embedded into the supporting frame (14).

7. The digital multimeter of improved crash resistance of claim 6 wherein: limiting grooves (15) are formed in the inner walls of the two sides of the buffer groove (12), sliding blocks (16) are connected to the inner walls of the limiting grooves (15) in a sliding mode, and the sliding blocks (16) are connected with the bearing frame (14).