CN219873287U

CN219873287U - Outdoor fuse type isolating switch

Info

Publication number: CN219873287U
Application number: CN202320953397.0U
Authority: CN
Inventors: 吴纪生
Original assignee: Zhejiang Grl Electric Co ltd
Current assignee: Zhejiang Jinlaile Electric Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-20
Anticipated expiration: 2033-04-23

Abstract

The utility model provides an outdoor fuse type isolating switch, which comprises: the L-shaped bracket is provided with a first connecting plate assembled with the telegraph pole and a second connecting plate bent and connected with the first connecting plate, and the second connecting plate is provided with a plurality of first threaded holes which are arranged at intervals along the length direction of the second connecting plate; the switch body is assembled with the support, and the switch body is provided with a first perforation which extends along the width direction of the switch body and is penetrated by the second connecting plate, and a second perforation which is arranged at the top of the switch body and communicated with the first perforation, and the first bolt is connected with the first threaded hole after penetrating through the second perforation. During assembly, the first connecting plate of the L-shaped bracket is fixed on the telegraph pole, the second connecting plate penetrates through the first through holes of the switch bodies which are arranged side by side and is fixed through the first bolts, so that the plurality of outdoor fuse type isolating switches are assembled on the telegraph pole through one bracket, and the device has the advantages of being firm in installation and simple in structure.

Description

Outdoor fuse type isolating switch

Technical Field

The utility model relates to the technical field of electrical switches, in particular to an outdoor fuse type isolating switch.

Background

The isolating switch is usually matched with a fuse for use, has two functions of load breaking and isolating, can be additionally arranged on each pole of the fuse for overload and short-circuit protection, fully utilizes the protection characteristic curve of the fuse, realizes the protection of equipment in cables and circuits, and provides obvious breaking points for guaranteeing the personal safety of staff during maintenance.

The existing fuse type isolating switch is generally installed in a distribution box, a metal guide rail is fixedly installed in the distribution box, a clamping groove matched with the width of the metal guide rail is formed in the back face of the fuse type isolating switch, and an elastic clamping piece is used for abutting against the metal guide rail, when the fuse type isolating switch needs to be detached, the elastic clamping piece is separated from the metal guide rail, and therefore the fuse type isolating switch is detached. At present, a customer has a need to directly install the fuse type isolating switch on an outdoor telegraph pole, and the existing installation structure cannot meet the requirement of firm installation of the fuse type isolating switch.

Disclosure of Invention

The utility model provides an outdoor fuse type isolating switch, which comprises an L-shaped bracket and a plurality of switch bodies arranged side by side, wherein the L-shaped bracket is provided with a first connecting plate assembled with a telegraph pole and a second connecting plate connected with the first connecting plate in a bending way, and the second connecting plate is provided with a plurality of first threaded holes arranged at intervals along the length direction; the switch body is provided with a first perforation which extends along the width direction of the switch body and is used for the second connecting plate to penetrate through, a second perforation which is arranged at the top of the switch body and is communicated with the first perforation, and a first bolt penetrates through the second perforation and then is connected with the first threaded hole.

And an inserting structure is arranged between two adjacent switch bodies.

The plug-in structure comprises a first slot on one side surface of the switch body and a plug block which is arranged on the other side surface of the switch body and is in fit plug-in connection with the first slot.

The switch body comprises a base and a cover plate rotatably mounted on the base, a melting core is fixedly arranged on the cover plate, and contact assemblies matched with contact knives at two ends of the melting core are arranged on the base.

The contact assembly comprises a contact and a clamping ring, the contact comprises a terminal board and a contact board which are connected in a bending way, two elastic arms and a slot which is positioned between the two elastic arms and used for the insertion of the fuse contact blade are arranged on the contact board; and the clamping ring is propped against the two elastic arms and is suitable for applying elastic acting force propped against the fuse core contact knife to the elastic arms.

The wiring terminal comprises a metal frame, a second bolt and a third bolt, wherein the metal frame is provided with a wire hole for inserting a cable, a T-shaped slot and a second threaded hole which are respectively arranged on the upper side and the lower side of the metal frame, and the second threaded hole is communicated with the wire hole; the head of the second bolt is arranged in the T-shaped slot, and the screw rod part passes through the through hole on the terminal board and is fixedly connected with the nut; and the third bolt is connected with the second threaded hole.

The metal frame is provided with a mounting groove matched with the width of the terminal plate, and the bottom surface of the mounting groove is provided with insections.

The copper nose is provided with a cylindrical section, and a third connecting plate fixed with the terminal plate through a bolt assembly, and a wire cavity for inserting a cable is formed in the cylindrical section.

The technical scheme of the utility model has the following advantages:

1. the outdoor fuse type isolating switch provided by the utility model has the advantages that the switch body is provided with the first through holes extending along the width direction of the switch body, and the second through holes which are arranged at the top of the switch body and are communicated with the first through holes, when the switch is assembled, the first connecting plates of the L-shaped brackets are fixed on a telegraph pole, the second connecting plates penetrate through the first through holes of the switch bodies which are arranged side by side, and the first connecting plates are fixed through the first bolts, so that the outdoor fuse type isolating switch is assembled on the telegraph pole through one bracket, and the switch has firm installation and simple structure.

2. According to the outdoor fuse type isolating switch provided by the utility model, the plug-in structure is arranged between two adjacent switch bodies, the plug-in structure comprises the first slot arranged on one side surface of the switch body and the plug-in block arranged on the other side surface of the switch body and adapted to be plugged with the first slot, and the plurality of switch bodies are mutually spliced together through the plug-in structure and then connected into a straight line through the plurality of first through holes, so that the second connecting plate of the bracket is convenient to insert, the assembly is quicker and more convenient, and the assembly efficiency is improved.

3. The outdoor fuse type isolating switch provided by the utility model has the advantages that the contact can be assembled with the wiring terminal and the copper nose, so that different requirements of users are met, and the universality is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an outdoor fuse type disconnector mounted to a pole;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of a first exploded construction of two outdoor fuse type disconnectors;

FIG. 4 is a schematic diagram of a second exploded construction of two outdoor fuse type disconnectors;

fig. 5 is a perspective view of the contact assembly, the terminal block mounted on the base;

FIG. 6 is a schematic view of an assembly of a terminal and a contact assembly;

FIG. 7 is an exploded view of the terminal and contact assembly;

fig. 8 is a schematic structural view of a connection terminal;

fig. 9 is a schematic view of the assembly of the terminal lug and contact assembly.

Reference numerals illustrate: 1. a bracket; 2. a pole; 3. a first connection plate; 4. a second connecting plate; 5. a first threaded hole; 6. a switch body; 7. a first perforation; 8. a second perforation; 9. a first slot; 10. inserting blocks; 11. a base; 12. a cover plate; 13. a melting core; 14. a contact; 15. a terminal plate; 16. a contact plate; 17. an elastic arm; 18. a collar; 19. a connection terminal; 20. a metal frame; 21. a cable; 22. a wire guide; 23. a T-shaped slot; 24. a second threaded hole; 25. a second bolt; 26. a mounting groove; 27. copper nose; 28. a cylindrical section; 29. a third connecting plate; 30. a first bolt; 31. and a third bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The present embodiment provides an outdoor fuse type disconnecting switch, as shown in fig. 1 and 2, including an L-shaped bracket 1 and a plurality of switch bodies 6 arranged side by side.

The L-shaped bracket 1 is provided with a first connecting plate 3 assembled with a telegraph pole 2 and a second connecting plate 4 connected with the first connecting plate 3 in a bending way, wherein the second connecting plate 4 is provided with a plurality of first threaded holes 5 which are arranged at intervals along the length direction.

The switch body 6 is assembled with the bracket 1, as shown in fig. 2, the switch body 6 has a first through hole 7 extending along a width direction thereof and through which the second connecting plate 4 is disposed, and a second through hole 8 disposed at a top of the switch body 6 and communicating with the first through hole 7, and a first bolt 30 passes through the second through hole 8 and then is connected with the first threaded hole 5. An inserting structure is arranged between two adjacent switch bodies 6, as shown in fig. 3 and 4, the inserting structure comprises a first slot 9 on one side surface of the switch body 6, and an inserting block 10 arranged on the other side surface of the switch body 6 and adapted to be inserted into the first slot 9.

The switch body 6, as shown in fig. 2 and 5, comprises a base 11 and a cover plate 12 rotatably mounted on the base 11, wherein a melting core 13 is fixedly arranged on the cover plate 12, and the base 11 is provided with contact assemblies matched with contact blades at two ends of the melting core 13. As shown in fig. 6 and 7, the contact assembly includes: the contact 14 comprises a terminal plate 15 and a contact plate 16 which are connected in a bending way, wherein the contact plate 16 is provided with two elastic arms 17 and a slot which is positioned between the two elastic arms 17 and is used for inserting a contact blade of the melting core 13; and a collar 18 which is abutted against the two elastic arms 17 and is suitable for applying elastic acting force against the contact knife of the melting core 13 to the elastic arms 17.

In this embodiment, the terminal block 15 further includes a connection terminal 19, as shown in fig. 6-8, where the connection terminal 19 includes: a metal frame 20 having a wire hole 22 through which the cable 21 is inserted, and T-shaped insertion grooves 23 and second screw holes 24 provided separately on upper and lower sides of the metal frame 20, the second screw holes 24 being in communication with the wire hole 22; a second bolt 25, the head of which is installed in the T-shaped slot 23, and the screw portion of which is fixedly connected with the nut after passing through the through hole of the terminal plate 15; and a third bolt 31 connected to the second screw hole 24. The metal frame 20 has a mounting groove 26 with a width adapted to the terminal plate 15, and a bottom surface of the mounting groove 26 is formed with a tooth pattern.

As an alternative embodiment, it further includes a copper nose 27 assembled with the terminal plate 15, as shown in fig. 9, the copper nose 27 has a cylindrical section 28, and a third connection plate 29 fixed with the terminal plate 15 by a bolt assembly, and the cylindrical section 28 is formed with a wire cavity into which a cable is inserted.

According to the outdoor fuse type isolating switch provided by the utility model, the switch body 6 is provided with the first through holes 7 extending along the width direction of the switch body and the second through holes 8 which are arranged at the top of the switch body 6 and are communicated with the first through holes 7, when the outdoor fuse type isolating switch is assembled, the first connecting plate 3 of the L-shaped bracket 1 is fixed on a telegraph pole, and the second connecting plate 4 passes through the first through holes 7 of the switch bodies 6 which are arranged side by side and is fixed through the first bolts 30, so that a plurality of outdoor fuse type isolating switches are assembled on the telegraph pole 2 through one bracket, and the outdoor fuse type isolating switch has the advantages of firm installation and simple structure.

It is apparent that the above examples are given by way of illustration only 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. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. An outdoor fuse type isolating switch, comprising:

the L-shaped bracket (1) is provided with a first connecting plate (3) assembled with the telegraph pole (2) and a second connecting plate (4) connected with the first connecting plate (3) in a bending way, wherein the second connecting plate (4) is provided with a plurality of first threaded holes (5) which are arranged at intervals along the length direction;

a plurality of switch bodies (6) that set up side by side, with support (1) assembly, switch body (6) have along its width direction extension, confession first perforation (7) that second connecting plate (4) run through the setting, and locate switch body (6) top, with second perforation (8) that first perforation (7) communicate, first bolt (30) pass behind second perforation (8) link to each other with first screw hole (5).

2. Outdoor fuse-type isolating switch according to claim 1, characterized in that a plug-in structure is provided between two adjacent switch bodies (6).

3. Outdoor fuse-type isolating switch according to claim 2, characterized in that said plug-in structure comprises a first slot (9) in one of said switch body (6) sides, and a plug (10) provided in the other of said switch body (6) sides, adapted to plug-in with said first slot (9).

4. An outdoor fuse type isolating switch as claimed in any one of claims 1-3, wherein the switch body (6) comprises a base (11) and a cover plate (12) rotatably mounted on the base (11), a fuse core (13) is fixedly arranged on the cover plate (12), and contact assemblies matched with contact blades at two ends of the fuse core (13) are arranged on the base (11).

5. The outdoor fuse-type isolator of claim 4, wherein the contact assembly comprises:

the contact (14) comprises a terminal plate (15) and a contact plate (16) which are connected in a bending way, wherein the contact plate (16) is provided with two elastic arms (17) and a slot which is positioned between the two elastic arms (17) and is used for inserting a contact blade of the melting core (13);

and a collar (18) which is abutted against the two elastic arms (17) and is suitable for applying elastic acting force which is abutted against the contact knife of the melting core (13) to the elastic arms (17).

6. An outdoor fuse-type isolator switch as claimed in claim 5, further comprising a terminal block (19) assembled with the terminal block (15), the terminal block (19) comprising:

a metal frame (20) having a wire guide (22) into which a cable (21) is inserted, and a T-shaped slot (23) and a second screw hole (24) which are provided separately on the upper and lower sides of the metal frame (20), the second screw hole (24) being in communication with the wire guide (22);

the head of the second bolt (25) is arranged in the T-shaped slot (23), and the screw rod part passes through the through hole on the terminal board (15) and is fixedly connected with the nut;

and a third bolt (31) connected with the second threaded hole (24).

7. The outdoor fuse type disconnecting switch according to claim 6, characterized in that the metal frame (20) has a mounting groove (26) adapted to the width of the terminal plate (15), and the bottom surface of the mounting groove (26) is formed with a tooth pattern.

8. Outdoor fuse-type disconnector according to claim 5, characterized in that it further comprises a copper nose (27) fitted with said terminal plate (15), said copper nose (27) having a cylindrical section (28), and a third connection plate (29) fixed with said terminal plate (15) by means of a bolt assembly, said cylindrical section (28) being shaped with a wire cavity for the insertion of a cable.