CN220252052U - Digital clamp meter for leakage current detection - Google Patents

Abstract

The utility model relates to the technical field of clamp meters and discloses a digital clamp meter for detecting electric leakage current, which comprises a clamp meter, a clamp head wrench movably mounted on the outer wall of the clamp meter, and a protection mechanism arranged on the outer wall of the clamp meter, wherein the protection mechanism comprises a clamping mechanism mounted on the outer wall of the clamp meter, an unfolding buffer mechanism is mounted above the clamping mechanism, the clamping rod in the clamping mechanism is pulled to release the clamping connection with a clamping block, so that a protective shell can be opened, a rack meshed with the clamping rod can be driven to move through sliding connection between a sliding block and a sliding rod by rotating a gear, the clamping rod can be driven to move through movement of the rack, when the clamping rod moves to a through groove, the fixing ring can be pushed to move upwards by rebound reset of a spring, and the clamping rod can be driven to move towards the inside of the through groove by movement of the fixing ring, so that the clamping block is clamped, and positioning and closing of the protective shell are completed.

Description

Digital clamp meter for leakage current detection

Technical Field

The utility model relates to the technical field of clamp meters, in particular to a digital clamp meter for detecting leakage current.

Background

When people carry out daily maintenance and repair on external electronic equipment, the voltage or current of the electronic element needs to be measured in advance, and the measuring tool which is frequently used by people is a digital clamp meter, so that the electronic clamp meter is simple to operate, small in error and simple in number indication, and is a reason that the electronic clamp meter is favored by people.

However, most of the prior digital clamp meters have no mechanism for protecting the digital clamp meter, a large number of electronic elements are installed in the digital clamp meter, the prior digital clamp meter only has one shell, a display screen, keys and the like are arranged on the surface of the shell, the keys and the display screen on the surface of the shell cannot be protected, and further the keys and the screens are easy to damage when the digital clamp meter is carried and used by a user, and the service life of the digital clamp meter is further influenced, so that the use requirements of people cannot be met.

Disclosure of Invention

The utility model aims to provide a digital clamp meter for detecting leakage current, which solves the problems that most of the prior digital clamp meters are not provided with a mechanism for protecting the digital clamp meter, a large number of electronic elements are arranged in the digital clamp meter, the prior digital clamp meter is only provided with a shell, a display screen, keys and the like are arranged on the surface of the shell, the keys and the display screen on the surface of the shell cannot be protected, and further, the keys and the screens of the digital clamp meter are easy to damage when a user carries and uses the digital clamp meter, and the service life of the digital clamp meter is influenced, so that the use requirements of people cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a digital clamp meter for detecting leakage current comprises a clamp meter;

a clamp head wrench movably mounted on the outer wall of the clamp meter;

the protection mechanism comprises a clamping mechanism arranged on the outer wall of the clamp meter, and a unfolding buffer mechanism is arranged above the clamping mechanism.

Preferably, the clamping mechanism comprises a sliding groove formed in the bottom end of the protective shell, the inner wall of the sliding groove is fixedly connected with a sliding rod, the outer wall of the sliding rod is slidably connected with a sliding block, the sliding block is far away from a rack fixedly connected with one end of the sliding rod, the rack is meshed with a gear, the outer wall of the gear is fixedly connected with a first rotating shaft, a through groove is formed in one end of the rack, the inner wall of the through groove is slidably connected with a clamping rod, the outer wall of the clamping rod is sleeved with a spring, one end of the spring is fixedly connected with a fixed ring, the inner wall of the fixed ring is fixedly connected with a clamping block, one end of the clamping block is fixedly connected with the inner wall of the protective shell, the clamping rod in the clamping mechanism is pulled, the clamping block can be released, so that the protective shell can be opened, the rack meshed with the sliding rod can be driven to move through sliding connection between the sliding block and the sliding rod through the sliding block, the clamping rod can be driven to move through the sliding connection of the rack, when the clamping rod moves to the through groove, the rebound of the spring can be pushed to move upwards through the fixed ring, and the clamping block can be driven to move to the clamping block through the fixed ring to the fixed ring, and the clamping block can be closed.

Preferably, the unfolding buffer mechanism comprises a torsion spring fixedly connected to the outer wall of the clamp meter, one end of the torsion spring, away from the clamp meter, is fixedly connected with a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected with a protecting shell, one end of the second rotating shaft is rotationally connected to the outer wall of the clamp meter, the inner wall of the protecting shell is fixedly connected with a buffer plate, the resilience of the torsion spring in the unfolding buffer mechanism resets, the second rotating shaft can be driven to rotate, the protecting shell can be driven to rotate through rotation of the second rotating shaft, and therefore the clamp meter with internal protection can be exposed for use, and the outer wall of the clamp meter can be buffered and protected through the buffer plate fixedly connected to the inner wall of the protecting shell.

Preferably, the outer wall of the clamping rod is matched with the inner wall of the through groove formed on the outer wall of the clamping block.

Preferably, the number of the torsion springs is two, and the torsion springs are symmetrically distributed on the inner wall of the protective shell.

Preferably, the inner wall of the clamping groove formed in the inner wall of the protective shell is matched with the outer wall of the clamping block.

Preferably, the buffer board quantity is four, buffer board even distribution is at the protecting crust inner wall, buffer board material soft rubber.

The utility model provides a digital clamp meter for detecting leakage current. The digital clamp meter for detecting the leakage current has the following beneficial effects:

(1) The digital clamp meter for detecting the leakage current can be used for releasing the clamping connection with the clamping block by pulling the clamping rod in the clamping mechanism, so that the protective shell can be opened, the rack meshed with the clamping shell can be driven to move through the sliding connection between the sliding block and the sliding rod by rotating the gear, the clamping rod can be driven to move by the movement of the rack, when the clamping rod moves to the through groove, the fixing ring can be pushed to move upwards by the rebound reset of the spring, and the clamping rod can be driven to move towards the inside of the through groove by the movement of the fixing ring, so that the clamping block is clamped, and the protective shell is positioned and closed;

(2) This a digital clamp meter for leakage current detects, rebound through expanding torsional spring in the buffer gear resets, alright drive the second pivot and rotate, through the rotation of second pivot, alright drive the protecting crust and expand and rotate, the clamp meter of inside protection just like this can expose and use it, through the buffer board of fixed connection at the protecting crust inner wall alright carry out buffering protection to clamp meter outer wall.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the expanded structure of the present utility model;

FIG. 3 is a schematic view of a locking mechanism according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the unfolding buffer mechanism of the present utility model.

In the figure: 1. a clamp meter; 2. a clamp head wrench; 3. a protective mechanism; 31. a clamping mechanism; 311. a slide bar; 312. a slide block; 313. a rack; 314. a gear; 315. a first rotating shaft; 316. a clamping rod; 317. a spring; 318. a fixing ring; 319. a clamping block; 32. unfolding a buffer mechanism; 321. a protective shell; 322. a second rotating shaft; 323. a torsion spring; 324. and a buffer plate.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution.

Example 1

The utility model provides a preferred embodiment of a digital clamp meter for detecting leakage current: the utility model provides a digital clamp meter for leakage current detection, includes clamp meter 1, movable mounting is in clamp wrench 2 of clamp meter 1 outer wall to and including setting up the protection machanism 3 at clamp meter 1 outer wall, protection machanism 3 is including installing the block mechanism 31 at clamp meter 1 outer wall, the expansion buffer mechanism 32 is installed to block mechanism 31 top, and block mechanism 31 is including seting up the spout in the bottom of protecting crust 321, this spout inner wall fixedly connected with slide bar 311, slide bar 311 outer wall sliding connection has slider 312, slider 312 is kept away from slide bar 311 one end fixedly connected with rack 313, rack 313 meshing has gear 314, gear 314 outer wall fixedly connected with first pivot 315, rack 313 is kept away from slider 312 one end and is seted up logical groove, this logical inslot inner wall sliding connection has clamping lever 316, and the logical inslot inner wall looks adaptation of clamping lever 316 outer wall and fixture block 319 outer wall seting, the outer wall of the clamping rod 316 is sleeved with a spring 317, one end of the spring 317 is fixedly connected with a fixing ring 318, the inner wall of the fixing ring 318 is fixedly connected to the outer wall of the clamping rod 316, one end of the spring 317, which is far away from the fixing ring 318, is fixedly connected to the outer wall of the rack 313, the outer wall of the clamping rod 316 is connected with a clamping block 319 in a clamping manner, one end of the clamping block 319 is fixedly connected to the inner wall of the protecting shell 321, firstly when the clamp meter 1 is needed to be used, the clamping rod 316 can be pulled to move outwards, so that the clamping block 319 is separated from the clamping groove, the protecting shell 321 is opened, the fixing ring 318 is driven to move when the clamping rod 316 moves, so that the spring 317 is compressed and extruded, after the use is finished, the protecting shell 321 is pushed towards the middle, and when the clamping block 319 fixedly connected to the bottom end of the protecting shell 321 is inserted into the clamping groove, the gear 314 can be rotated, the gear 314 can rotate through the rotation of the first rotating shaft 315 fixedly connected to the bottom of the gear 314, so that the meshed rack 313 can be driven to move through the sliding connection between the sliding block 312 fixedly connected to the bottom and the sliding rod 311, when the rack 313 moves, the clamping rod 316 can be driven to move, the clamping rod 316 abuts against the bottom of the protective shell 321 through the rebound characteristic of the spring 317, and when the clamping rod 316 moves to a through groove formed in the bottom of the protective shell 321, the clamping rod 316 can be clamped into the through groove through the spring 317, so that the clamping rod 316 can be clamped with the clamping block 319, and the protective shell 321 can be closed and positioned.

In this embodiment, the clamping connection with the clamping block 319 can be released by pulling the clamping rod 316 in the clamping mechanism 31, so that the protecting shell 321 can be opened, the rack 313 meshed with the gear 314 can be driven to move through the sliding connection between the sliding block 312 and the sliding rod 311 by rotating the gear 314, the clamping rod 316 can be driven to move by the movement of the rack 313, when the clamping rod 316 moves to the through groove, the fixing ring 318 can be pushed to move upwards by the rebound reset of the spring 317, and the clamping rod 316 can be driven to move towards the inside of the through groove by the movement of the fixing ring 318, so that the clamping block 319 can be clamped, and the protecting shell 321 can be positioned and closed.

Example 2

On the basis of embodiment 1, the preferred embodiment of the digital clamp meter for detecting the leakage current provided by the utility model is as follows: the expansion buffer gear 32 includes fixed connection at the torsional spring 323 of clamp meter 1 outer wall, torsional spring 323 quantity is two, torsional spring 323 is symmetrical structure and distributes at the protecting crust 321 inner wall, torsional spring 323 of clamp meter 1 one end fixedly connected with second pivot 322 is kept away from to torsional spring 323, second pivot 322 outer wall fixedly connected with protecting crust 321, the draw-in groove inner wall and the fixture block 319 outer wall looks adaptation of seting up of protecting crust 321 inner wall, second pivot 322 one end rotates to be connected at clamp meter 1 outer wall, protecting crust 321 inner wall fixedly connected with buffer plate 324, buffer plate 324 quantity is four, buffer plate 324 even distribution is at protecting crust 321 inner wall, buffer plate 324 material soft rubber, when the block pole 316 break away from and the block 319 between the block is connected, at this moment fixed connection at second pivot 322 inner wall torsional spring 323 just can rebound reset to this alright drive second pivot 322 and rotate, when second pivot 322 rotates, alright drive protecting crust 321 and expand so that alright open protecting crust 321, use clamp meter 1 to clamp meter 1, buffer plate 324 fixed connection's inside buffer plate 324 can carry out the protection to clamp meter 1.

In this embodiment, the second rotating shaft 322 is driven to rotate by the rebound reset of the torsion spring 323 in the unfolding buffer mechanism 32, and the protecting shell 321 is driven to unfold and rotate by the rotation of the second rotating shaft 322, so that the clamp meter 1 protected inside can be exposed for use, and the outer wall of the clamp meter 1 can be buffered and protected by the buffer plate 324 fixedly connected to the inner wall of the protecting shell 321.

Claims (7)

1. A digital clamp meter for detecting leakage current comprises a clamp meter (1);

a clamp head wrench (2) movably arranged on the outer wall of the clamp meter (1);

and including setting up protection machanism (3) at pincerlike meter (1) outer wall, its characterized in that: the protection mechanism (3) comprises a clamping mechanism (31) arranged on the outer wall of the clamp meter (1), and a unfolding buffer mechanism (32) is arranged above the clamping mechanism (31).

2. A digital clamp meter for leakage current detection as defined in claim 1, wherein: the utility model provides a clamping mechanism (31) is including seting up the spout in shell (321) bottom, this spout inner wall fixedly connected with slide bar (311), slide bar (311) outer wall sliding connection has slider (312), slide bar (311) one end fixedly connected with rack (313) are kept away from to slider (312), rack (313) meshing has gear (314), first pivot (315) of gear (314) outer wall fixedly connected with, logical groove has been seted up to slider (312) one end is kept away from to rack (313), this logical inslot wall sliding connection has clamping bar (316), clamping bar (316) outer wall cover is equipped with spring (317), spring (317) one end fixedly connected with solid fixed ring (318), gu fixed ring (318) inner wall fixed connection is in clamping bar (316) outer wall, gu fixed ring (318) one end fixed connection is kept away from to spring (317) outer wall, clamping bar (316) outer wall block is connected with fixture block (319), fixture block (319) one end fixed connection is in shell (321) inner wall.

3. A digital clamp meter for leakage current detection as defined in claim 1, wherein: the unfolding buffer mechanism (32) comprises a torsion spring (323) fixedly connected to the outer wall of the clamp-on meter (1), one end of the torsion spring (323) away from the clamp-on meter (1) is fixedly connected with a second rotating shaft (322), the outer wall of the second rotating shaft (322) is fixedly connected with a protective shell (321), one end of the second rotating shaft (322) is rotationally connected to the outer wall of the clamp-on meter (1), and the inner wall of the protective shell (321) is fixedly connected with a buffer plate (324).

4. A digital clamp meter for leakage current detection as defined in claim 2, wherein: the outer wall of the clamping rod (316) is matched with the inner wall of the through groove formed in the outer wall of the clamping block (319).

5. A digital clamp meter for leakage current detection as defined in claim 3, wherein: the number of the torsion springs (323) is two, and the torsion springs (323) are symmetrically distributed on the inner wall of the protective shell (321).

6. A digital clamp meter for leakage current detection as defined in claim 2, wherein: the inner wall of the clamping groove formed in the inner wall of the protective shell (321) is matched with the outer wall of the clamping block (319).

7. A digital clamp meter for leakage current detection as defined in claim 3, wherein: the number of the buffer plates (324) is four, the buffer plates (324) are uniformly distributed on the inner wall of the protective shell (321), and the buffer plates (324) are made of soft rubber.