CN221239499U

CN221239499U - Quick-dismantling type current transformer

Info

Publication number: CN221239499U
Application number: CN202322783568.2U
Authority: CN
Inventors: 王胜善; 王玉娇
Original assignee: Shaanxi Xite Electric Appliance Co ltd
Current assignee: Shaanxi Xite Electric Appliance Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-06-28
Anticipated expiration: 2033-10-17

Abstract

The application discloses a quick-dismantling type current transformer, which relates to the technical field of current transformers and comprises a second shell, wherein a base is connected below the second shell, a pair of mounting holes are formed in the base, the top of the second shell is connected with a first shell, and the first shell and the second shell are fixedly connected through a pair of first limiting mechanisms; the left and right sides of first shell and second shell are connected with the safety cover through second stop gear, be provided with first draw-in groove, first stopper, U type seat, clamp plate, connecting block, axostylus axostyle and torsion spring, press the end of left and right sides clamp plate simultaneously, drive the perk of clamp plate top, take out in the first draw-in groove with the first stopper of clamp plate one side, conveniently make first shell and second shell quick detach, when installing, only need with first shell and second shell alignment, the first stopper of clamp plate one side slides into in the first draw-in groove, can accomplish the locking, the effect of fast-assembling quick detach has been reached.

Description

Quick-dismantling type current transformer

Technical Field

The utility model belongs to the technical field of current transformers, and particularly relates to a quick-dismantling type current transformer.

Background

In practical production, a transformer is often used to expand the measuring range of an ac instrument, for example, a cable is passed through the current transformer, at this time, the current transformer induces current from the cable, the magnitude of the induced current is just reduced by a certain multiple, the induced current is sent to the instrument for measurement, and then the measured result is multiplied by the certain multiple to obtain a real result.

Chinese patent discloses a fast-assembling current transformer (bulletin number CN 217719276U), and this patent technology corresponds two mutual inductance units respectively through fixed connection block and flip structure, and flip structure can get into the clamping opening after the upset to lock flip structure through lock nut, but in the dismouting process, need rotate lock nut many times just can reach locking purpose, and dismouting efficiency is slower.

Disclosure of utility model

The technical problems to be solved are as follows: in the disassembly and assembly process, the locking nut is required to be rotated for a plurality of times to achieve the locking purpose, and the disassembly and assembly efficiency is low.

Aiming at the defects of the prior art, the utility model provides a quick-dismantling type current transformer, which solves the problems in the background art.

The technical scheme is as follows:

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The quick-dismantling type current transformer comprises a second shell, wherein a base is connected below the second shell, a pair of mounting holes are formed in the base, the top of the second shell is connected with a first shell, and the first shell and the second shell are fixedly connected through a pair of first limiting mechanisms;

The left side and the right side of the first shell and the second shell are connected with a protective cover through a second limiting mechanism.

In one possible implementation manner, the first limiting mechanism comprises a U-shaped seat connected to the outer side of the second housing, two side arms of the U-shaped seat are connected with shaft rods in a penetrating manner, the outer sides of the shaft rods are connected with connecting blocks in a rotating manner, one end of each connecting block is connected with a pressing plate, and the head end of each pressing plate is connected with a first limiting block.

In one possible implementation manner, a torsion spring is sleeved at a position, close to the connecting block, on the outer side of the shaft rod, one end of the torsion spring is fixedly connected with the second housing, and the other end of the torsion spring is fixedly connected with the pressing plate.

In one possible implementation manner, a pair of first clamping grooves are correspondingly formed in the left side and the right side of the first shell, and the first clamping grooves are in buckling connection with the first limiting blocks.

In one possible implementation manner, the top surfaces of the two side arms of the first shell and the bottom surfaces of the two side arms of the second shell are both provided with third clamping grooves, the second limiting mechanism comprises a third limiting block connected inside the third clamping grooves, and the third limiting block is fixedly connected with the protective cover.

In one possible implementation manner, the top surfaces of the two side arms of the second housing are provided with second clamping grooves, the second clamping grooves are internally and slidably connected with second limiting blocks, and the second limiting blocks are fixedly connected with the first housing.

The beneficial effects are that:

1. the clamping device is provided with a first clamping groove, a first limiting block, a U-shaped seat, a pressing plate, a connecting block, a shaft rod and a torsion spring, the tail ends of the pressing plates on the left side and the right side are pressed simultaneously, under the matching action of the U-shaped seat, the connecting block and the shaft rod, the top of the pressing plate is driven to tilt, the first limiting block on one side of the pressing plate is taken out of the first clamping groove, the first shell and the second shell are conveniently and rapidly separated, when the clamping device is installed, the first limiting block on one side of the pressing plate is only required to be aligned with the first shell and the second shell, the first limiting block on one side of the pressing plate slides into the first clamping groove, locking can be completed, the effect of rapid assembly and disassembly is achieved, and the problem that locking can be achieved only by rotating a locking nut for a plurality of times in the disassembly and assembly efficiency is relatively low is solved;

2. be provided with safety cover, third draw-in groove and third stopper, with the protection shroud in the both arms position of first shell, second shell, under the connected action through third draw-in groove and third stopper, conveniently lock spacingly to the safety cover, through setting up the safety cover, be favorable to protecting first stop gear.

Drawings

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

FIG. 2 is a cross-sectional view of a first housing and a second housing of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is an enlarged view at B of the present utility model.

Reference numerals: 1. a first housing; 2. a protective cover; 3. a second housing; 4. a base; 5. a mounting hole; 6. a first clamping groove; 7. a first limiting block; 8. a U-shaped seat; 9. a pressing plate; 10. a connecting block; 11. a shaft lever; 12. a torsion spring; 13. a second limiting block; 14. a second clamping groove; 15. a third clamping groove; 16. and a third limiting block.

Detailed Description

The embodiment of the application solves the problems in the prior art by providing a quick-dismantling type current transformer.

The technical scheme in the embodiment of the application aims to solve the problems, and the overall thought is as follows:

Example 1:

1-3, a quick-dismantling type current transformer comprises a second housing 3, a base 4 is connected below the second housing 3, a pair of mounting holes 5 are formed in the base 4, a first housing 1 is connected to the top of the second housing 3, the first housing 1 and the second housing 3 are fixedly connected through a pair of first limiting mechanisms, the base 4 is placed on an outer main body, and fixing bolts are inserted into the mounting holes 5 and reserved holes of the outer main body, so that the base 4 is fixed;

The left and right sides of first shell 1 and second shell 3 are connected with safety cover 2 through second stop gear, through setting up safety cover 2, are favorable to protecting first stop gear.

In some examples, the first stop gear is including connecting the both sides arm through connection of U type seat 8,U type seat 8 in the outside of second shell 3 has axostylus axostyle 11, the outside rotation of axostylus axostyle 11 is connected with connecting block 10, the one end of connecting block 10 is connected with clamp plate 9, the head end of clamp plate 9 is connected with first stopper 7, when need dismantling first shell 1 and second shell 3, press the end of left and right sides clamp plate 9 simultaneously, under the cooperation of U type seat 8, connecting block 10 and axostylus axostyle 11, drive clamp plate 9 top perk, take out the first stopper 7 of clamp plate 9 one side from first draw-in groove 6, conveniently make first shell 1 and second shell 3 quick detach, when installing, only need with first shell 1 and second shell 3 align, the first stopper 7 of clamp plate 9 one side slides into first draw-in groove 6, can accomplish the locking, the effect of fast-assembling quick detach has been reached.

In some examples, the outer side of the shaft lever 11 near the connecting block 10 is sleeved with a torsion spring 12, one end of the torsion spring 12 is fixedly connected with the second housing 3, the other end of the torsion spring 12 is fixedly connected with the pressing plate 9, and the first end of the pressing plate 9 and the first limiting block 7 are favorably buckled in the first clamping groove 6 through the elasticity of the torsion spring 12.

In some examples, a pair of first clamping grooves 6 are correspondingly formed in the left side and the right side of the first housing 1, the first clamping grooves 6 are in buckling connection with the first limiting blocks 7, when the first limiting blocks 7 are inserted into the first clamping grooves 6, locking between the first housing 1 and the second housing 3 can be completed, and when the first limiting blocks 7 are separated from the first clamping grooves 6, separation between the first housing 1 and the second housing 3 is about to be achieved.

By adopting the technical scheme:

Be provided with first draw-in groove 6, first stopper 7, U type seat 8, clamp plate 9, connecting block 10, axostylus axostyle 11 and torsion spring 12, press the end of left and right sides clamp plate 9 simultaneously, under the cooperation effect of U type seat 8, connecting block 10 and axostylus axostyle 11, drive clamp plate 9 top perk, take out first stopper 7 on clamp plate 9 one side from first draw-in groove 6, conveniently make first shell 1 and second shell 3 quick detach, when installing, only need align first shell 1 and second shell 3, first stopper 7 on clamp plate 9 one side slides into first draw-in groove 6, can accomplish the locking, the effect of quick detach has been reached, the problem that the dismouting in-process needs to rotate the lock nut many times just can reach the locking destination, the dismouting efficiency is slower has been solved.

Example 2:

1-4, the third clamping grooves 15 are formed in the top surfaces of the two side arms of the first housing 1 and the bottom surfaces of the two side arms of the second housing 3, the second limiting mechanism comprises a third limiting block 16 connected inside the third clamping groove 15, the third limiting block 16 is fixedly connected with the protective cover 2, and the protective cover 2 is conveniently limited under the connection effect of the third clamping groove 15 and the third limiting block 16, so that the locking effect is achieved, and falling is prevented.

In some examples, the top surfaces of the two side arms of the second housing 3 are provided with second clamping grooves 14, the second clamping grooves 14 are internally and slidably connected with second limiting blocks 13, the second limiting blocks 13 are fixedly connected with the first housing 1, and when the first housing 1 and the second housing 3 need to be installed, the first housing 1 and the second housing 3 are beneficial to being limited in advance under the connection effect of the second clamping grooves 14 and the second limiting blocks 13, so that the situation that the first housing 1 and the second housing 3 are deviated in position in the locking process is avoided.

By adopting the technical scheme:

Be provided with safety cover 2, third draw-in groove 15 and third stopper 16, cover safety cover 2 at first shell 1, the two arm positions of second shell 3, under the connected action through third draw-in groove 15 and third stopper 16, conveniently lock spacing safety cover 2, through setting up safety cover 2, be favorable to protecting first stop gear.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims

1. The quick-dismantling type current transformer comprises a second shell (3), wherein a base (4) is connected to the lower side of the second shell (3), and a pair of mounting holes (5) are formed in the base (4), and the quick-dismantling type current transformer is characterized in that a first shell (1) is connected to the top of the second shell (3), and the first shell (1) and the second shell (3) are fixedly connected through a pair of first limiting mechanisms;

The left side and the right side of the first shell (1) and the second shell (3) are connected with a protective cover (2) through a second limiting mechanism.

2. A quick release current transformer as claimed in claim 1, wherein: the first limiting mechanism comprises a U-shaped seat (8) connected to the outer side of the second shell (3), two side arms of the U-shaped seat (8) are connected with a shaft lever (11) in a penetrating mode, the outer side of the shaft lever (11) is connected with a connecting block (10) in a rotating mode, one end of the connecting block (10) is connected with a pressing plate (9), and the head end of the pressing plate (9) is connected with a first limiting block (7).

3. A quick release current transformer as claimed in claim 2, wherein: the torsion spring (12) is sleeved at the position, close to the connecting block (10), of the outer side of the shaft lever (11), one end of the torsion spring (12) is fixedly connected with the second housing (3), and the other end of the torsion spring (12) is fixedly connected with the pressing plate (9).

4. A quick release current transformer as claimed in claim 1, wherein: a pair of first clamping grooves (6) are correspondingly formed in the left side and the right side of the first shell (1), and the first clamping grooves (6) are in buckling connection with the first limiting blocks (7).

5. A quick release current transformer as claimed in claim 1, wherein: third draw-in groove (15) have all been seted up to the both sides arm top surface of first shell (1) and the both sides arm bottom surface of second shell (3), second stop gear is including connecting at the inside third stopper (16) of third draw-in groove (15), third stopper (16) and safety cover (2) fixed connection.

6. A quick release current transformer as claimed in claim 1, wherein: the two side arm top surfaces of the second shell (3) are provided with second clamping grooves (14), second limiting blocks (13) are connected inside the second clamping grooves (14) in a sliding mode, and the second limiting blocks (13) are fixedly connected with the first shell (1).