CN216435772U

CN216435772U - Isolating switch with fuse

Info

Publication number: CN216435772U
Application number: CN202123343767.9U
Authority: CN
Inventors: 刘建厂; 刘金伟
Original assignee: Shanghai Xida Electric Power Technology Co ltd
Current assignee: Shanghai Xida Electric Power Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-03
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a take isolator of fuse, including end box, end box spare upper end middle part is seted up built-in chamber, and the block groove is seted up to built-in chamber left and right sides symmetry, and the block inslot is equipped with a plurality of and turns round the bolt, has seted up firm groove between block groove and the built-in chamber, and both ends middle part symmetry fixed mounting bolt piece about the fuse, and bolt piece and firm groove correspond the slip, lid lower extreme left and right sides symmetry fixed mounting block board. The utility model discloses during the use, adopt the bolt piece to slide in firm inslot to guarantee the fixed bedplate of fuse calibration, can not squint in guaranteeing follow-up installation, even meet the circumstances such as vibrations and also can receive good firm protection, the block board inserts the block inslot after that, utilizes to turn round the bolt and passes block board and end box spare fixed connection, thereby installs fast, the later maintenance of also being convenient for dismantles.

Description

Isolating switch with fuse

Technical Field

The utility model relates to an electrical equipment field, concretely relates to take isolator of fuse.

Background

The fuse type isolating switch fuse is a current protector which is manufactured according to the principle that after current exceeds a specified value for a certain time, a melt is melted by heat generated by the fuse type isolating switch fuse, and a circuit is disconnected.

At present, the inconvenience of inconvenience exists in the assembly of the existing fuse type disconnecting switch, and due to the need of good isolation conditions, the problem that the normal use of the fuse can be quickly installed and guaranteed in the face of maintenance is important. Accordingly, those skilled in the art have provided a fused disconnect switch to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an isolating switch with a fuse, which comprises a bottom box, wherein the bottom box comprises a bottom box piece, a built-in cavity, a fixing bolt hole, a heat dissipation hole, a clamping groove, a stabilizing groove, a twisting bolt, a fixing seat plate, a bolt seat and a fixing bolt;

the end box upper end is equipped with the upper cover plate, and the upper cover plate includes lid, block board, fuse, bolt piece and switch handle, and both ends middle part symmetry fixed mounting bolt piece about the fuse, and the bolt piece corresponds with firm groove and slides, the symmetrical fixed mounting block board of lid lower extreme left and right sides.

Preferably: a plurality of heat dissipation holes are symmetrically formed in the front and back of the built-in cavity, and a plurality of fixing bolt holes are symmetrically and fixedly formed in the front and back of the cavity bottom of the built-in cavity.

Preferably, the following components: the upper end of the bottom of the built-in cavity is provided with a fixed seat plate, a plurality of bolt seats are symmetrically and fixedly arranged in the front and the back of the fixed seat plate, fixed bolts are arranged on the bolt seats, and the fixed bolts are arranged corresponding to the fixed bolt holes.

Preferably: the upper end of the cover body is provided with a switch handle, the middle part of the lower end of the cover body is fixedly provided with a fuse, and the fuse is arranged corresponding to the fixed seat board.

Preferably: the clamping plate is correspondingly clamped with the clamping groove, and the clamping plate is correspondingly arranged with the torsion bolt.

Preferably: the visual window is opened to the lid front end, and visual window and fuse correspond the setting.

The utility model discloses a technological effect and advantage:

1. the utility model discloses during the use, adopt the bolt piece to slide in firm inslot to guarantee the fixed bedplate of fuse calibration, can not squint in guaranteeing follow-up installation, even meet the circumstances such as vibrations and also can receive good firm protection, the block board inserts the block inslot after that, utilizes to turn round the bolt and passes block board and end box spare fixed connection, thereby installs fast, the later maintenance of also being convenient for dismantles.

2. The utility model discloses during the use, through visual window, utilize the glass material between visual window and the fuse to be convenient for observe the change of fuse under continuous operating condition, prevent that the erroneous judgement from dismantling, increase the practicality.

Drawings

Fig. 1 is a schematic structural diagram of a fused disconnecting switch provided in embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of an upper cover plate in a disconnecting switch with a fuse according to embodiment 1 of the present application;

FIG. 3 is a schematic structural diagram of a bottom case of the isolating switch with the fuse provided in embodiment 1 of the present application;

fig. 4 is a schematic structural diagram of a fused disconnecting switch provided in embodiment 2 of the present application;

in the figure: 1. a bottom case; 2. an upper cover plate; 3. a visible window;

11. a bottom case member; 12. a cavity is arranged inside; 13. a fixing bolt hole; 14. heat dissipation holes; 15. a clamping groove; 16. a stabilizing groove; 17. twisting a bolt; 18. fixing the seat plate; 19. a bolt seat; 20. a fixing bolt;

21. a cover body; 22. a clamping plate; 23. a fuse; 24. a latch block; 25. and (5) opening and closing a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-3, in the present embodiment, a disconnecting switch with a fuse is provided, which includes a bottom case 1, the bottom box 1 comprises a bottom box part 11, a built-in cavity 12, fixing bolt holes 13, radiating holes 14, a clamping groove 15, a stabilizing groove 16, a torsion bolt 17, a fixing seat plate 18, bolt seats 19 and a fixing bolt 20, wherein the middle part of the upper end of the bottom box part 11 is provided with the built-in cavity 12, the front and the back of the built-in cavity 12 are symmetrically provided with the radiating holes 14, the front and the back of the cavity bottom of the built-in cavity 12 are symmetrically and fixedly provided with the fixing bolt holes 13, the left and the right sides of the built-in cavity 12 are symmetrically provided with the clamping grooves 15, the clamping groove 15 is internally provided with the torsion bolts 17, the stabilizing groove 16 is arranged between the clamping groove 15 and the built-in cavity 12, the upper end of the cavity bottom of the built-in cavity 12 is provided with the fixing seat plate 18, the front and the back of the fixing seat plate 18 are symmetrically and fixedly provided with the bolt seats 19, the fixing bolts 20 are arranged on the bolt seats 19, and the fixing bolts 20 are arranged corresponding to the fixing bolt holes 13;

the upper end of the bottom box 1 is provided with an upper cover plate 2, the upper cover plate 2 comprises a cover body 21, a clamping plate 22, a fuse 23, a plug pin block 24 and a switch handle 25, the switch handle 25 is arranged at the upper end of the cover body 21, the fuse 23 is fixedly installed in the middle of the lower end of the cover body 21, the fuse 23 corresponds to a fixed seat plate 18, the plug pin block 24 is symmetrically and fixedly installed in the middle of the left end and the right end of the fuse 23, the plug pin block 24 corresponds to a stable groove 16 in a sliding mode, the clamping plate 22 is symmetrically and fixedly installed on the left side and the right side of the lower end of the cover body 21, the clamping plate 22 corresponds to a clamping groove 15 in a clamping mode, and the clamping plate 22 corresponds to a torsion bolt 17 in a clamping mode.

Example 2

Referring to fig. 4, in the present embodiment, a visible window 3 is disposed at the front end of the cover 21, and the visible window 3 is disposed corresponding to the fuse 23.

The utility model discloses a theory of operation is:

when the utility model is used, the plug pin block 24 is adopted to slide in the stabilizing groove 16, so that the fuse 23 is ensured to calibrate the fixed seat plate 18, the subsequent installation process is ensured not to deviate, the good stability protection can be realized even if the conditions such as vibration occur, then the clamping plate 22 is inserted into the clamping groove 15, the clamping plate 22 is passed by the torsion bolt 17 and is fixedly connected with the bottom box piece 11, the installation is rapidly carried out, and the later maintenance and disassembly are convenient;

secondly, through visual window 3, utilize the glass material between visual window 3 and the fuse 23 to be convenient for observe the change of fuse 23 under the continuous operating condition, prevent that the erroneous judgement is dismantled, increase the practicality.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. An isolating switch with a fuse comprises a bottom box (1), and is characterized in that the bottom box (1) comprises a bottom box part (11), a built-in cavity (12), fixing bolt holes (13), radiating holes (14), clamping grooves (15), a fixing groove (16), torsion bolts (17), a fixing seat plate (18), a bolt seat (19) and a fixing bolt (20), the middle of the upper end of the bottom box part (11) is provided with the built-in cavity (12), the left side and the right side of the built-in cavity (12) are symmetrically provided with the clamping grooves (15), a plurality of torsion bolts (17) are arranged in the clamping grooves (15), and the fixing groove (16) is arranged between the clamping grooves (15) and the built-in cavity (12);

the upper end of the bottom box (1) is provided with an upper cover plate (2), the upper cover plate (2) comprises a cover body (21), a clamping plate (22), a fuse (23), a plug pin block (24) and a switch handle (25), the plug pin block (24) is symmetrically and fixedly installed in the middle of the left end and the right end of the fuse (23), the plug pin block (24) slides correspondingly to the stabilizing groove (16), and the clamping plate (22) is symmetrically and fixedly installed on the left side and the right side of the lower end of the cover body (21).

2. A disconnecting switch with a fuse as claimed in claim 1, wherein the built-in cavity (12) is symmetrically provided with a plurality of heat dissipation holes (14) in the front and back directions, and the bottom of the built-in cavity (12) is symmetrically and fixedly provided with a plurality of fixing bolt holes (13) in the front and back directions.

3. A disconnecting switch with a fuse as claimed in claim 1, wherein the upper end of the bottom of the built-in cavity (12) is provided with a fixed seat plate (18), the fixed seat plate (18) is symmetrically and fixedly provided with a plurality of bolt seats (19), the bolt seats (19) are provided with fixed bolts (20), and the fixed bolts (20) are arranged corresponding to the fixed bolt holes (13).

4. A disconnecting switch with a fuse as claimed in claim 1, wherein the upper end of the cover (21) is provided with a switch handle (25), the fuse (23) is fixedly mounted in the middle of the lower end of the cover (21), and the fuse (23) is arranged corresponding to the fixed base plate (18).

5. A fused disconnecting switch according to claim 1, wherein said engaging plate (22) is engaged with the engaging groove (15) correspondingly, and the engaging plate (22) is provided correspondingly to the torsion pin (17).

6. A disconnecting switch with a fuse as claimed in claim 1, wherein the front end of the cover (21) is provided with a visible window (3), and the visible window (3) is arranged corresponding to the fuse (23).