CN217181993U

CN217181993U - Shell structure of current transformer

Info

Publication number: CN217181993U
Application number: CN202220932453.8U
Authority: CN
Inventors: 韩巍
Original assignee: Baoding Fenjun Electrical Equipment Co ltd
Current assignee: Baoding Fenjun Electrical Equipment Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-12
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a current transformer's shell structure, including first semi-ring and second semi-ring, the fixed surface of first semi-ring installs the mounting panel, the one end terminal surface fixed mounting of first semi-ring has the connecting block, connecting block assorted rectangle opening has been seted up to the one end terminal surface of second semi-ring, the installation is rotated with rectangle open-ended inner wall to the connecting block, rectangle open-ended one end fixed mounting is kept away from to the second semi-ring has the pothook, the rectangular channel has been seted up to the one end terminal surface that the connecting block was kept away from to first semi-ring, the inside of rectangular channel is equipped with chucking mechanism. The utility model discloses a rotate the second semi-ring, make the pothook on the second semi-ring insert the rectangular channel of seting up on the first semi-ring, make spacing hook reset under compression spring's elasticity effect, fix the pothook to make first semi-ring and second semi-ring form confined annular structure, the staff of being convenient for dismantles and installs first semi-ring and second semi-ring.

Description

Shell structure of current transformer

Technical Field

The utility model relates to a high-voltage apparatus technical field especially relates to current transformer's shell structure.

Background

The current transformer is an electric device which obtains proportional current by utilizing the action principle of magnetic field effect generated by an electrified lead in the surrounding space, and has convenience in current interception and accuracy in proportion control, so that the current transformer is widely applied to an industrial control field at present, and gradually permeates into daily life along with the increasingly developed and developed scientific technology.

The existing current transformer is usually sleeved on a wire to be detected, when the current transformer is installed, two halves of the current transformer need to be disassembled by using screws, the wire to be detected is placed between the two halves of the disassembled current transformer, then the screws are screwed up to connect the two halves of the current transformer, and the operation mode is inconvenient for disassembling and installing the current transformer and influences the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shell structure of a current transformer.

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

current transformer's shell structure, including first semi-ring and second semi-ring, the fixed surface of first semi-ring installs the mounting panel, the one end terminal surface fixed mounting of first semi-ring has the connecting block, connecting block assorted rectangle opening has been seted up to the one end terminal surface of second semi-ring, the connecting block rotates the installation with rectangle open-ended inner wall, rectangle open-ended one end fixed mounting is kept away from to the second semi-ring has the pothook, the one end terminal surface that the connecting block was kept away from to first semi-ring has seted up the rectangular channel, the inside of rectangular channel is equipped with chucking mechanism.

As a further scheme of the utility model, chucking mechanism includes two dead levers of fixed mounting in the rectangular channel inner wall, two the surface slidable mounting of dead lever has the movable plate, the last fixed surface of movable plate install with pothook assorted limit hook, the one end fixed mounting that the dead lever is close to the pothook has the retaining ring, the surface of dead lever is equipped with and supports tight subassembly, the position that first semi-ring is close to limit hook is equipped with release mechanism.

As a further aspect of the utility model, support tight subassembly and locate the compression spring on the dead lever including the cover, compression spring sets up between the inner wall of movable plate and rectangular channel.

As a further scheme of the utility model, release mechanism includes that slidable mounting is close to the push pedal of spacing hook surface in first semi-ring, the surface fixed mounting that the push pedal is close to spacing hook one side has the connecting plate, the surface symmetry fixed mounting of the relative both sides of connecting plate has two guide arms, the surface that spacing hook is close to the connecting plate runs through and has seted up the bar opening, connecting plate and bar open-ended inner wall slidable mounting, the surface of spacing hook runs through and has seted up the guide way, the guide way sets up for the slope, the inner wall slidable mounting of guide arm and guide way, the inner wall of rectangular channel is equipped with spacing subassembly.

As a further aspect of the utility model, spacing subassembly includes fixed mounting in the gag lever post of rectangular channel diapire, the top of gag lever post runs through the surface of connecting plate and rather than slidable mounting.

As a further aspect of the present invention, the outer surface of the mounting plate is symmetrically inserted with two fixing bolts.

As a further proposal of the utility model, the outer surface of the push pedal is evenly fixedly provided with a plurality of anti-skid lugs.

The utility model has the advantages that:

1. the connecting plate is pushed along the axis direction of the limiting rod through the push plate, the guide rod is fixedly arranged on the outer surface of the connecting plate, and the guide rod and the inner wall of the guide groove formed in the limiting hook are slidably arranged, so that the guide rod can push the limiting hook in the direction away from the clamping hook, the clamping hook can be separated from the limiting hook, and the second half ring can be rotated to be separated from the first half ring so as to be sleeved on the guide line.

2. Through rotating the second semi-ring, make the pothook on the second semi-ring insert the rectangular channel of seting up on the first semi-ring, because the bottom of pothook sets up for the inclined plane for the pothook can be directly with spacing hook along the axis direction of dead lever to the one side of keeping away from the retaining ring and remove, after first semi-ring and second semi-ring are closed, spacing hook will reset under compression spring's elasticity effect, fix the pothook, thereby make first semi-ring and second semi-ring form confined annular structure, the staff of being convenient for dismantles and installs first semi-ring and second semi-ring.

Drawings

Fig. 1 is a schematic structural diagram of a housing structure of a current transformer according to the present invention;

fig. 2 is a schematic diagram of a partial cross-sectional structure of a housing structure of a current transformer according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic diagram of a push plate structure of a shell structure of the current transformer provided by the utility model.

In the figure: 1. a first half ring; 2. a second half ring; 3. mounting a plate; 4. connecting blocks; 5. a rectangular opening; 6. a hook; 7. a rectangular groove; 8. fixing the rod; 9. moving the plate; 10. a limiting hook; 11. a strip-shaped opening; 12. a compression spring; 13. a retainer ring; 14. a guide groove; 15. a connecting plate; 16. a guide bar; 17. a limiting rod; 18. pushing the plate; 19. an anti-slip bump; 20. and (5) fixing the bolt.

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.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1-3, the current transformer's shell structure, including first semi-ring 1 and second semi-ring 2, the fixed surface mounting of first semi-ring 1 has mounting panel 3, the fixed mounting of one end terminal surface of first semi-ring 1 has connecting block 4, the one end terminal surface of second semi-ring 2 has seted up connecting block 4 assorted rectangle opening 5, connecting block 4 rotates the installation with the inner wall of rectangle opening 5, the one end fixed mounting that rectangle opening 5 was kept away from to second semi-ring 2 has pothook 6, the bottom of pothook 6 is the inclined plane setting, the one end terminal surface that connecting block 4 was kept away from to first semi-ring 1 has seted up rectangular channel 7, the inside of rectangular channel 7 is equipped with chucking mechanism.

In this embodiment, the clamping mechanism includes two fixed rods 8 fixedly mounted on the inner wall of the rectangular groove 7, the outer surface sliding mounting of the two fixed rods 8 has a movable plate 9, the upper surface of the movable plate 9 is fixedly mounted with a limit hook 10 matched with the hook 6, one end of the fixed rod 8 close to the hook 6 is fixedly mounted with a retainer ring 13, the outer surface of the fixed rod 8 is provided with a abutting assembly, and the position of the first half ring 1 close to the limit hook 10 is provided with an unlocking mechanism.

In this embodiment, the fastening assembly includes a compression spring 12 sleeved on the fixing rod 8, and the compression spring 12 is disposed between the moving plate 9 and the inner wall of the rectangular groove 7.

In this embodiment, unlocking mechanism includes that slidable mounting is in first semi-ring 1 is close to the push pedal 18 of spacing hook 10 surface, the outer fixed surface that push pedal 18 is close to spacing hook 10 one side installs connecting plate 15, the outer surface symmetry fixed mounting of the relative both sides of connecting plate 15 has two guide arms 16, bar opening 11 has been seted up in the surface that spacing hook 10 is close to connecting plate 15 runs through, connecting plate 15 and the inner wall slidable mounting of bar opening 11, guide way 14 has been seted up in the surface of spacing hook 10 runs through, guide way 14 sets up for the slope, the inner wall slidable mounting of guide arm 16 and guide way 14, the inner wall of rectangular channel 7 is equipped with spacing subassembly.

In this embodiment, the limiting component includes a limiting rod 17 fixedly mounted on the bottom wall of the rectangular groove 7, and the top end of the limiting rod 17 penetrates through the outer surface of the connecting plate 15 and is slidably mounted with the outer surface.

In this embodiment, two fixing bolts 20 are symmetrically inserted on the outer surface of the mounting plate 3.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when the current transformer is installed, the push plate 18 is pushed to one side far away from the second half ring 2, so that the push plate 18 drives the connecting plate 15 to move along the axis direction of the limiting rod 17, and as the guide rod 16 is fixedly installed on the outer surface of the connecting plate 15, and the guide rod 16 is installed in a sliding manner with the inner wall of the guide groove 14 formed in the limiting hook 10, the guide rod 16 can push the limiting hook 10 to the direction far away from the hook 6, so that the hook 6 can be separated from the limiting hook 10, and at the moment, the second half ring 2 can be rotated to be separated from the first half ring 1, so that the first half ring 1 and the second half ring 2 are sleeved on a wire; after the first half ring 1 and the second half ring 2 are sleeved on the wires to be sleeved, the second half ring 2 is rotated, the clamping hook 6 on the second half ring 2 is inserted into the rectangular groove 7 formed in the first half ring 1, and the clamping hook 6 can directly move the limiting hook 10 to one side far away from the check ring 13 along the axial direction of the fixing rod 8 due to the inclined plane arrangement at the bottom of the clamping hook 6, so that after the first half ring 1 and the second half ring 2 are closed, the limiting hook 10 is reset under the elastic force of the compression spring 12 to fix the clamping hook 6, and the first half ring 1 and the second half ring 2 form a closed annular structure, and workers can conveniently disassemble and install the first half ring 1 and the second half ring 2; the fixing of the first half ring 1 can be accomplished by fixedly mounting the mounting plate 3 on the first half ring 1 inside the distribution box using the fixing bolt 20.

Example 2

Referring to fig. 4, current transformer's shell structure, including first semi-ring 1 and second semi-ring 2, the fixed surface mounting of first semi-ring 1 has mounting panel 3, the one end terminal surface fixed mounting of first semi-ring 1 has connecting block 4, connecting block 4 assorted rectangle opening 5 has been seted up to the one end terminal surface of second semi-ring 2, connecting block 4 rotates the installation with rectangle opening 5's inner wall, the one end fixed mounting that rectangle opening 5 was kept away from to second semi-ring 2 has pothook 6, the bottom of pothook 6 is the inclined plane setting, first semi-ring 1 one end terminal surface of keeping away from connecting block 4 has seted up rectangular channel 7, the inside of rectangular channel 7 is equipped with chucking mechanism.

In this embodiment, a plurality of anti-slip bumps 19 are uniformly and fixedly mounted on the outer surface of the push plate 18.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when the current transformer is installed, the push plate 18 is pushed to one side far away from the second half ring 2, so that the push plate 18 drives the connecting plate 15 to move along the axis direction of the limiting rod 17, and as the guide rod 16 is fixedly installed on the outer surface of the connecting plate 15, and the guide rod 16 is installed in a sliding manner with the inner wall of the guide groove 14 formed in the limiting hook 10, the guide rod 16 can push the limiting hook 10 to the direction far away from the hook 6, so that the hook 6 can be separated from the limiting hook 10, and at the moment, the second half ring 2 can be rotated to be separated from the first half ring 1, so that the first half ring 1 and the second half ring 2 are sleeved on a wire; after the first half ring 1 and the second half ring 2 are sleeved on the wires to be sleeved, the second half ring 2 is rotated, the clamping hook 6 on the second half ring 2 is inserted into the rectangular groove 7 formed in the first half ring 1, and the clamping hook 6 can directly move the limiting hook 10 to one side far away from the check ring 13 along the axial direction of the fixing rod 8 due to the inclined plane arrangement at the bottom of the clamping hook 6, so that after the first half ring 1 and the second half ring 2 are closed, the limiting hook 10 is reset under the elastic force of the compression spring 12 to fix the clamping hook 6, and the first half ring 1 and the second half ring 2 form a closed annular structure, and workers can conveniently disassemble and install the first half ring 1 and the second half ring 2; the fixing of the first semi-ring 1 can be completed by fixedly installing the mounting plate 3 on the first semi-ring 1 inside the distribution box by using the fixing bolt 20; the anti-skid lugs 19 are arranged on the outer surface of the push plate 18, so that the push plate 18 can be pushed to move by workers conveniently.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Current transformer's shell structure, including first semi-ring (1) and second semi-ring (2), the outer fixed surface of first semi-ring (1) installs mounting panel (3), its characterized in that, the one end terminal surface fixed mounting of first semi-ring (1) has connecting block (4), connecting block (4) assorted rectangle opening (5) have been seted up to the one end terminal surface of second semi-ring (2), connecting block (4) rotate the installation with the inner wall of rectangle opening (5), the one end fixed mounting that rectangle opening (5) were kept away from in second semi-ring (2) has pothook (6), rectangular groove (7) have been seted up to the one end terminal surface that connecting block (4) were kept away from in first semi-ring (1), the inside of rectangular groove (7) is equipped with chucking mechanism.

2. The current transformer shell structure according to claim 1, wherein the clamping mechanism comprises two fixed rods (8) fixedly mounted on the inner wall of the rectangular groove (7), a moving plate (9) is slidably mounted on the outer surface of the two fixed rods (8), a limit hook (10) matched with the hook (6) is fixedly mounted on the upper surface of the moving plate (9), a retainer ring (13) is fixedly mounted at one end of the fixed rod (8) close to the hook (6), a butting component is arranged on the outer surface of the fixed rod (8), and an unlocking mechanism is arranged at a position of the first half ring (1) close to the limit hook (10).

3. The current transformer shell structure according to claim 2, wherein the abutting assembly comprises a compression spring (12) sleeved on the fixed rod (8), and the compression spring (12) is arranged between the moving plate (9) and the inner wall of the rectangular groove (7).

4. The current transformer housing structure according to claim 2, wherein the unlocking mechanism comprises a push plate (18) slidably mounted on the first half ring (1) near the outer surface of the limit hook (10), the outer surface of one side of the push plate (18) close to the limit hook (10) is fixedly provided with a connecting plate (15), two guide rods (16) are symmetrically and fixedly arranged on the outer surfaces of two opposite sides of the connecting plate (15), the outer surface of the limit hook (10) close to the connecting plate (15) is provided with a strip-shaped opening (11) in a penetrating way, the connecting plate (15) is slidably mounted with the inner wall of the strip-shaped opening (11), the outer surface of the limiting hook (10) is provided with a guide groove (14) in a penetrating way, the guide groove (14) is obliquely arranged, the guide rod (16) is slidably mounted on the inner wall of the guide groove (14), and the inner wall of the rectangular groove (7) is provided with a limiting assembly.

5. The current transformer shell structure according to claim 4, wherein the limiting assembly comprises a limiting rod (17) fixedly mounted on the bottom wall of the rectangular groove (7), and the top end of the limiting rod (17) penetrates through the outer surface of the connecting plate (15) and is slidably mounted with the outer surface.

6. The current transformer enclosure structure according to claim 1, wherein two fixing bolts (20) are symmetrically inserted into the outer surface of the mounting plate (3).

7. The current transformer shell structure according to claim 4, wherein a plurality of anti-slip projections (19) are uniformly and fixedly mounted on the outer surface of the push plate (18).