CN210119503U - Direct current resistance tester with good sealing performance - Google Patents

Abstract

The utility model discloses a direct current resistance tester that leakproofness is good, the power distribution box comprises a box body, one side of box is equipped with the opening, and fixed mounting has direct current resistance tester body in the box, has seted up two first cavities on the box, first spout has all been seted up on the top inner wall of box and the bottom inner wall, two first spouts all communicate with two first cavities, slidable mounting has first slide and second slide in two first spouts, the one end that first slide and second slide kept away from each other extends to respectively in the first cavity that corresponds and the welding has the slide bar, slide bar slidable mounting is in the first cavity that corresponds. The utility model discloses simple structure, convenient operation seals and removes sealedly to the direct current resistance tester that just can be quick through simple rotation action, has avoided weing for the direct current resistance tester can carry out long-term outdoor operations, gives people and has brought very big convenience.

Description

Direct current resistance tester with good sealing performance

Technical Field

The utility model relates to a direct current resistance tester technical field especially relates to a direct current resistance tester that leakproofness is good.

Background

The DC resistance tester is a special instrument for testing the DC resistance of inductive equipment such as transformers, motors, mutual inductors and the like, can quickly enable the testing current to reach a stable value, greatly shortens the measuring time, not only keeps the advantages of high automation degree, high testing speed and the like of similar products, but also overcomes the defects that the open circuit measurement of the similar products is easy to damage, an AC 220V power supply is needed in a testing field, the operation is complex and the like, and a plurality of types of DC resistance testers exist in the current market, however, most direct current resistance testers are simple in design, poor in sealing performance, and easy to damp and damage, the direct current resistance tester can not meet the long-term outdoor operation requirement, the application range of the direct current resistance tester is greatly reduced, and therefore the direct current resistance tester with good sealing performance is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a direct current resistance tester with good sealing performance.

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

a direct current resistance tester with good sealing performance comprises a box body, wherein an opening is formed in one side of the box body, a direct current resistance tester body is fixedly mounted in the box body, two first cavities are formed in the box body, first sliding grooves are formed in the inner wall of the top and the inner wall of the bottom of the box body respectively and are communicated with the two first cavities, and a first sliding plate and a second sliding plate are mounted in the two first sliding grooves in a sliding mode;

the ends, far away from each other, of the first sliding plate and the second sliding plate respectively extend into the corresponding first cavities and are welded with sliding rods, the sliding rods are slidably mounted in the corresponding first cavities, the top ends of the sliding rods are welded with first sliding blocks, the first sliding blocks are slidably mounted on the inner walls of the tops of the corresponding first cavities, the first sliding blocks are provided with threaded through holes, the box body is provided with a second cavity, the second cavity is positioned above the opening of the box body, the inner walls of one sides, close to each other, of the two first cavities are provided with first through holes, the two first through holes are communicated with the second cavity, screw rods are rotatably mounted in the first through holes, the ends, far away from each other, of the two screw rods respectively extend into the corresponding first cavities, the two screw rods are respectively threadedly mounted in the corresponding threaded through holes, the ends, close to each other, of the two screw rods respectively extend into the second cavities, the second through hole has been seted up on the top inner wall of second cavity, and the pivot is installed in the second through hole internal rotation, and the bottom of pivot extends to in the second cavity and welds and have second cone gear, and two first cone gears all mesh with second cone gear.

Preferably, a ring-shaped groove is formed in the rotating shaft, a ring-shaped clamping block is rotatably mounted in the ring-shaped groove, the ring-shaped clamping block is fixedly mounted on the inner wall of the second through hole, and the top end of the rotating shaft extends out of the box body and is welded with a handle.

Preferably, a first groove is formed in one end, close to the second sliding plate, of the first sliding plate, a clamping block is welded at one end, close to the first sliding plate, of the second sliding plate, and the clamping block is matched with the first groove.

Preferably, a second groove is formed in the inner wall of one side, away from each other, of each first cavity, a pin shaft is installed in the second groove in a rotating mode, and one ends, close to each other, of the two pin shafts are welded to one ends, away from each other, of the two screws respectively.

Preferably, a second sliding groove is formed in the inner wall of the bottom of the first cavity and communicated with the first sliding groove in the inner wall of the bottom of the box body, a second sliding block is arranged in each of the two second sliding grooves in a sliding mode, and the top ends of the two second sliding blocks are welded to the bottoms of the first sliding plate and the second sliding plate respectively.

Preferably, a third sliding groove is formed in the inner wall of the top of the first cavity, a third sliding block is slidably mounted in the third sliding groove, and the bottom of the third sliding block is welded to the top of the corresponding first sliding block.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the handle, the rotating shaft, the second through hole, the second cavity, the second conical gear, the first conical gear, the screw rods, the first through hole and the threaded through hole, the handle is firstly rotated to drive the rotating shaft to rotate in the second through hole, and simultaneously, the rotating shaft drives the second conical gear to rotate in the second cavity, so that the two first conical gears are driven to rotate, the two first conical gears respectively drive the two screw rods to rotate in the corresponding first through holes, so that the two screw rods are respectively driven to rotate in the corresponding threaded through holes, and through the matching of the first slide blocks, the first cavity, the slide rods, the first slide plate, the second slide plate, the clamp block, the first groove, the first chute, the box body and the direct current resistance tester, the two first slide blocks are respectively driven to slide on the inner wall of the top of the corresponding first cavity to be close to each other, and simultaneously, the two first slide blocks respectively drive the two slide rods to slide in the corresponding first cavity to be close to each, make first slide and second slide to be driven respectively and slide in two first spouts and be close to each other, in the second slide drives the fixture block and slides and get into the first recess on the first slide simultaneously for the opening of box is covered, and direct current resistance tester is sealed this moment.

The utility model discloses simple structure, convenient operation seals and removes sealedly to the direct current resistance tester that just can be quick through simple rotation action, has avoided weing for the direct current resistance tester can carry out long-term outdoor operations, gives people and has brought very big convenience.

Drawings

Fig. 1 is a schematic view of a direct current resistance tester with good sealing performance according to the present invention;

fig. 2 is a schematic view of a top view structure of a dc resistance tester with good sealing performance according to the present invention;

fig. 3 is a schematic structural diagram of a part a of the dc resistance tester with good sealing performance according to the present invention;

fig. 4 is a schematic structural diagram of a part B of the dc resistance tester with good sealing performance.

In the figure: the device comprises a box body 1, a direct current resistance tester body 2, a first chamber 3, a first sliding plate 4, a second sliding plate 5, a sliding rod 6, a first sliding block 7, a threaded through hole 8, a second chamber 9, a first through hole 10, a screw rod 11, a first bevel gear 12, a second through hole 13, a rotating shaft 14, a second bevel gear 15 and a first sliding chute 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a direct current resistance tester with good sealing performance comprises a box body 1, wherein an opening is formed in one side of the box body 1, a direct current resistance tester body 2 is fixedly installed in the box body 1, two first chambers 3 are formed in the box body 1, first sliding grooves 16 are formed in the inner wall of the top and the inner wall of the bottom of the box body 1, the two first sliding grooves 16 are communicated with the two first chambers 3, and a first sliding plate 4 and a second sliding plate 5 are installed in the two first sliding grooves 16 in a sliding manner; the ends, far away from each other, of the first sliding plate 4 and the second sliding plate 5 extend into the corresponding first cavities 3 respectively and are welded with sliding rods 6, the sliding rods 6 are installed in the corresponding first cavities 3 in a sliding mode, the top ends of the sliding rods 6 are welded with first sliding blocks 7, the first sliding blocks 7 are installed on the inner walls of the tops of the corresponding first cavities 3 in a sliding mode, threaded through holes 8 are formed in the first sliding blocks 7, the box body 1 is provided with second cavities 9, the second cavities 9 are located above the openings of the box body 1, the inner walls of the sides, close to each other, of the two first cavities 3 are provided with first through holes 10, the two first through holes 10 are communicated with the second cavities 9 in a rotating mode, screw rods 11 are installed in the first through holes 10, the ends, far away from each other, of the two screw rods 11 extend into the corresponding first cavities 3 respectively, the two screw rods 11 are installed in the corresponding threaded through holes 8 respectively, the ends, close to each other, extend into the second cavities 9 and are welded, a second through hole 13 is formed in the inner wall of the top of the second chamber 9, a rotating shaft 14 is rotatably mounted in the second through hole 13, the bottom end of the rotating shaft 14 extends into the second chamber 9 and is welded with a second bevel gear 15, the two first bevel gears 12 are both meshed with the second bevel gear 15, the rotating shaft 14, the second through hole 13, the second chamber 9, the second bevel gear 15, the first bevel gear 12, the screw rods 11, the first through holes 10 and the threaded through holes 8 are matched, the handle is rotated first to drive the rotating shaft 14 to rotate in the second through hole 13, the rotating shaft 14 drives the second bevel gear 15 to rotate in the second chamber 9, so that the two first bevel gears 12 are driven to rotate, and the two first bevel gears 12 respectively drive the two screw rods 11 to rotate in the corresponding first through holes 10, so that the two screw rods 11 are respectively driven to rotate in the corresponding threaded through holes 8, through the cooperation of the first slider 7, the first chamber 3, the slide bars 6, the first sliding plate 4, the second sliding plate 5, the fixture block, the first groove, the first sliding grooves 16, the box body 1 and the direct current resistance tester 2, the two first sliders 7 are respectively driven to slide on the inner wall of the top part of the corresponding first chamber 3 to be close to each other, simultaneously the two first sliders 7 respectively drive the two slide bars 6 to slide in the corresponding first chamber 3 to be close to each other, so that the first sliding plate 4 and the second sliding plate 5 are respectively driven to slide in the two first sliding grooves 16 to be close to each other, simultaneously the second sliding plate 5 drives the fixture block to slide into the first groove on the first sliding plate 4, so that the opening of the box body 1 is covered, and at the moment, the direct current resistance tester 2 is sealed, the utility model discloses simple structure, convenient operation, through simple rotation action can be fast sealed and unsealed to the direct current resistance tester 2, the damp is avoided, the direct current resistance tester 2 can carry out long-term outdoor operation, and great convenience is brought to people.

In the utility model, a ring-shaped groove is arranged on a rotating shaft 14, a ring-shaped fixture block is rotationally arranged in the ring-shaped groove, the ring-shaped fixture block is fixedly arranged on the inner wall of a second through hole 13, the top end of the rotating shaft 14 extends out of a box body 1 and is welded with a handle, a first groove is arranged at one end of a first sliding plate 4 close to a second sliding plate 5, a fixture block is welded at one end of the second sliding plate 5 close to the first sliding plate 4, the fixture block is matched with the first groove, a second groove is arranged on the inner wall of one side of two first cavities 3 far away from each other, a pin shaft is rotationally arranged in the second groove, one ends of the two pin shafts close to each other are respectively welded at one end of two screw rods 11 far away from each other, a second chute is arranged on the inner wall of the bottom of the first cavities 3, the second chute is communicated with a first chute 16 on the inner wall of the bottom of the box body 1, a, a third sliding groove is formed in the inner wall of the top of the first cavity 3, a third sliding block is slidably mounted in the third sliding groove, the bottom of the third sliding block is welded to the top of the corresponding first sliding block, the handle is rotated first through the cooperation of the handle, the rotating shaft 14, the second through hole 13, the second cavity 9, the second bevel gear 15, the first bevel gear 12, the screw rods 11, the first through holes 10 and the threaded through holes 8, the rotating shaft 14 is driven by the handle to rotate in the second through hole 13, the second bevel gear 15 is driven by the rotating shaft 14 to rotate in the second cavity 9, the two first bevel gears 12 are driven to rotate, the two screw rods 11 are driven to rotate in the corresponding first through holes 10 respectively, the two screw rods 11 are driven to rotate in the corresponding threaded through holes 8 respectively, and the first sliding block 7, the first cavity 3, the sliding rod 6 and the first sliding plate 4 pass through the first sliding block 7, the first cavity 3, the sliding, The second sliding plate 5, the clamping block, the first groove, the first sliding groove 16, the box body 1 and the direct current resistance tester 2 are matched, two first sliding blocks 7 are respectively driven to slide on the inner wall of the top part of the corresponding first cavity 3 to be close to each other, simultaneously, two first sliding blocks 7 respectively drive two sliding rods 6 to slide in the corresponding first cavity 3 to be close to each other, so that the first sliding plate 4 and the second sliding plate 5 are respectively driven to slide in the two first sliding grooves 16 to be close to each other, simultaneously, the second sliding plate 5 drives the clamping block to slide into the first groove on the first sliding plate 4, so that the opening of the box body 1 is covered, and the direct current resistance tester 2 is sealed at the moment, the utility model has the advantages of simple structure and convenient operation, can rapidly seal and unseal the direct current resistance tester 2 through simple rotating action, avoids moisture, and enables the direct current resistance tester 2 to carry out long-term outdoor operation, brings great convenience to people.

The working principle is as follows: when the sliding device is used, the handle is rotated first, the handle drives the rotating shaft 14 to rotate in the second through hole 13, the rotating shaft 14 drives the second bevel gear 15 to rotate in the second chamber 9, so that both the first bevel gears 12 are driven to rotate, at the same time, the two first bevel gears 12 respectively drive the two screw rods 11 to rotate in the corresponding first through holes 10, so that the two screw rods 11 are respectively driven to rotate in the corresponding threaded through holes 8, the two first sliders 7 are respectively driven to slide on the inner walls of the tops of the corresponding first chambers 3 to approach each other, at the same time, the two first sliders 7 respectively drive the two slide rods 6 to slide in the corresponding first chambers 3 to approach each other, so that the first sliding plate 4 and the second sliding plate 5 are respectively driven to slide in the two first sliding grooves 16 to approach each other, and at the same time, the second sliding plate 5 drives the fixture blocks to slide into the first grooves on the first sliding plate 4, so that the opening of the case 1 is covered and the dc resistance tester 2 is sealed at this time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The direct current resistance tester with good sealing performance comprises a box body (1) and is characterized in that one side of the box body (1) is provided with an opening, a direct current resistance tester body (2) is fixedly installed in the box body (1), the box body (1) is provided with two first cavities (3), the inner wall of the top and the inner wall of the bottom of the box body (1) are respectively provided with a first sliding chute (16), the two first sliding chutes (16) are respectively communicated with the two first cavities (3), and a first sliding plate (4) and a second sliding plate (5) are installed in the two first sliding chutes (16) in a sliding manner;

one end of each first sliding plate (4) and one end of each second sliding plate (5) which are far away from each other extend into the corresponding first cavity (3) respectively and are welded with a sliding rod (6), the sliding rods (6) are slidably mounted in the corresponding first cavities (3), the top ends of the sliding rods (6) are welded with first sliding blocks (7), the first sliding blocks (7) are slidably mounted on the inner wall of the top parts of the corresponding first cavities (3), threaded through holes (8) are formed in the first sliding blocks (7), a second cavity (9) is formed in the box body (1), the second cavity (9) is positioned above an opening of the box body (1), first through holes (10) are formed in the inner wall of one side of each first cavity (3) which is close to each other, the two first through holes (10) are communicated with the second cavity (9), screw rods (11) are rotatably mounted in the first through holes (10), one ends of the two screw rods (11) which are far away from each other extend into the corresponding first cavities (3) respectively, and two screw rods (11) are respectively installed in corresponding thread through holes (8) in a threaded manner, one end of each screw rod (11) close to each other is extended into the second cavity (9) and welded with a first bevel gear (12), a second through hole (13) is formed in the inner wall of the top of the second cavity (9), a rotating shaft (14) is installed in the second through hole (13) in a rotating manner, the bottom end of the rotating shaft (14) is extended into the second cavity (9) and welded with a second bevel gear (15), and the two first bevel gears (12) are all meshed with the second bevel gear (15).

2. The direct current resistance tester with good sealing performance according to claim 1, wherein the rotating shaft (14) is provided with a ring-shaped groove, a ring-shaped clamping block is rotatably mounted in the ring-shaped groove, the ring-shaped clamping block is fixedly mounted on the inner wall of the second through hole (13), and the top end of the rotating shaft (14) extends to the outside of the box body (1) and is welded with a handle.

3. The direct current resistance tester with good sealing performance according to claim 1, wherein a first groove is formed in one end, close to the second sliding plate (5), of the first sliding plate (4), a clamping block is welded at one end, close to the first sliding plate (4), of the second sliding plate (5), and the clamping block is matched with the first groove.

4. The direct current resistance tester with good sealing performance according to claim 1, wherein the inner walls of the two sides of the first chamber (3) away from each other are provided with second grooves, pin shafts are rotatably mounted in the second grooves, and the ends of the two pin shafts close to each other are respectively welded to the ends of the two screws (11) away from each other.

5. The direct current resistance tester with good sealing performance according to claim 1, wherein a second sliding groove is formed in the inner wall of the bottom of the first chamber (3), the second sliding groove is communicated with the first sliding groove (16) in the inner wall of the bottom of the box body (1), second sliding blocks are slidably mounted in the two second sliding grooves, and the top ends of the two second sliding blocks are welded to the bottoms of the first sliding plate (4) and the second sliding plate (5) respectively.

6. The direct current resistance tester with good sealing performance according to claim 1, wherein a third sliding groove is formed in the inner wall of the top of the first chamber (3), a third sliding block is slidably mounted in the third sliding groove, and the bottom of the third sliding block is welded to the top of the corresponding first sliding block.

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