CN212542204U

CN212542204U - Current-limiting switch

Info

Publication number: CN212542204U
Application number: CN202021159329.XU
Authority: CN
Inventors: 廖运志
Original assignee: Guangdong Ruitai Power Engineering Co ltd
Current assignee: Guangdong Ruitai Power Engineering Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-12
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a current-limiting switch, which comprises a shell, a fixed component, a wiring component, a conducting strip, a lead, a metal wire, a stop block, a splicing block and a fuse, wherein the fixed component comprises an inserting groove, a guide groove, a sliding cover, a first baffle, a first fixture block, a first holding tank, a spring sheet, a limiting hole, a limit block, a spring, a second fixture block, a first chute, a connecting rod and a sliding cap, the wiring component comprises an internal thread pipe second holding tank, a fixed block, a jack and a guide hole, compared with the existing bolt fixing mode, the utility model is designed with the fixed component which closes the switch by a clamping mode, thereby ensuring the safety of the switch, and simultaneously leading the replacement of the fuse to be very convenient, the utility model is designed with the wiring component, ensuring the tight contact of a wiring end, being not easy to cause the circuit break due to the lead loosening, and simultaneously avoiding the exposed metal wire of the lead from being directly exposed in, the occurrence of accidents is greatly reduced.

Description

Current-limiting switch

Technical Field

The utility model relates to a current limiting switch technical field specifically is a current limiting switch.

Background

The existing overcurrent protection methods can be generally divided into three categories: hot melt fuse, thermorelay and air switch, among these three, thermorelay self consumption is big, needs manual reset after the air automatic switch dropout, and the structure is complicated moreover, and the cost is higher, and the fuse is compared in other both, and its is with low costs, and simple structure can effectually play the overload protection effect, but in the current-limiting switch that has now, the change of fuse is more troublesome, and secondly just the wiring of switch is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a current-limiting switch to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a current-limiting switch comprises a shell, a fixing component, a wiring component, a conducting strip, a conducting wire, a metal wire, a stop block, an inserting block and a fuse, wherein the fixing component is arranged on the inner wall of one side of the shell and comprises an inserting groove, a guide groove, a sliding cover, a first baffle plate, a first clamping block, a first accommodating groove, a spring strip, a limiting hole, a limiting block, a spring, a second clamping block, a first sliding groove, a connecting rod and a sliding cap, the inserting groove is formed in the inner wall of one side of the shell, the guide groove is formed in the inner wall of one side of the inserting groove, the sliding cover is connected to the inner wall of one side of the guide groove in a sliding manner, the first clamping block is fixedly connected to the outer wall of one side of the sliding cover, the first accommodating groove is formed in the inner wall of one side of the inserting groove and is inserted into the inner wall of one side of the first accommodating groove, a limiting block is sleeved on the inner wall of one side of the limiting hole, a spring is fixedly connected to the outer wall of one side of the limiting block, one end of the spring is fixedly connected to the inner wall of one side of the limiting hole, a second clamping block is fixedly connected to the outer wall of one side of the limiting block, the second clamping block is clamped with the first clamping block, a first sliding groove is formed in the inner wall of one side of the limiting hole, a connecting rod is connected to the inner wall of one side of the first sliding groove in a sliding mode, a sliding cap is fixedly connected to the outer wall of one side of the connecting rod, and a wiring assembly is arranged on the inner wall;

the wiring assembly comprises an internal thread pipe, a second baffle, a torsion cap, a threaded rod, a connecting block, a first wire pressing block, a second accommodating groove, a second sliding groove, a fixing block, a jack and a guide hole, wherein the second accommodating groove is symmetrically formed in one inner wall of the shell, the guide hole is formed in the inner wall of the top end of the second accommodating groove, the internal thread pipe is sleeved on one inner wall of the guide hole, the second baffle is symmetrically and fixedly connected to the outer wall of one side of the internal thread pipe, the torsion cap is fixedly connected to the outer wall of one side of the internal thread pipe, the threaded rod is connected to the inner wall of one side of the internal thread pipe in a threaded manner, the connecting block is fixedly connected to the outer wall of one side of the threaded rod, the first wire pressing block is fixedly connected to the outer wall of one side.

Furthermore, a first baffle is fixedly connected to the outer wall of one side of the sliding cover.

Further, the inner wall of the bottom end of the second accommodating groove is fixedly connected with a fixing block.

Furthermore, the second sliding grooves are symmetrically formed in the inner walls of the two sides of the second accommodating groove, and the connecting block is connected to the inner wall of one side of the second sliding groove in a sliding mode.

Furthermore, a jack is formed in the inner wall of one side of the second accommodating groove, a wire is inserted into the inner wall of one side of the jack, and a metal wire is arranged on the inner wall of one side of the wire.

Furthermore, the outer wall of the bottom end of the stop block is symmetrically fixed with an inserting block, a conducting strip is inserted into the inner wall of one side of the inserting block, a fuse is connected to the outer wall of one side of the conducting strip in a clamping mode, and the fuse is inserted into the slot.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a design has fixed subassembly, compares in current bolt fastening mode, and the security that the switch used has been guaranteed to the mode closed switch that this subassembly passes through the block, also makes the change fuse become very convenient simultaneously, the utility model discloses a design has wiring subassembly, and the contact of having guaranteed the wiring end is inseparable, and difficult emergence causes the circuit break because of the wire is not hard up, avoids the exposed wire of wire directly to expose in the air simultaneously, the emergence of very big reduction accident.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a side view of the cutting structure of the present invention;

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

FIG. 4 is a schematic perspective view of the conductive sheet of the present invention;

in the figure: 1. a housing; 2. a fixing assembly; 3. a wiring assembly; 4. a conductive sheet; 5. a wire; 6. a metal wire; 7. a stopper; 8. an insertion block; 9. a fuse; 21. a slot; 22. a guide groove; 23. a sliding cover; 24. a first baffle plate; 25. a first clamping block; 26. a first accommodating groove; 27. a spring plate; 28. a limiting hole; 29. a limiting block; 210. a spring; 211. a second fixture block; 212. a first chute; 213. a connecting rod; 214. a sliding cap; 31. an internally threaded tube; 32. a second baffle; 33. twisting the cap; 34. a threaded rod; 35. connecting blocks; 36. a first wire pressing block; 37. a second wire pressing block; 38. a second accommodating groove; 39. a second chute; 310. a fixed block; 311. a jack; 312. and (4) a guide hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a current-limiting switch comprises a shell 1, a fixed component 2, a wiring component 3, a conducting strip 4, a lead 5, a metal wire 6, a stop block 7, an inserting block 8 and a fuse 9, wherein the fixed component 2 is arranged on the inner wall of one side of the shell 1, the fixed component 2 comprises a slot 21, a guide groove 22, a sliding cover 23, a first baffle 24, a first fixture block 25, a first accommodating groove 26, an elastic sheet 27, a limiting hole 28, a limiting block 29, a spring 210, a second fixture block 211, a first sliding groove 212, a connecting rod 213 and a sliding cap 214, the inner wall of one side of the shell 1 is provided with the slot 21, the inner wall of one side of the slot 21 is provided with the guide groove 22, the inner wall of one side of the guide groove 22 is slidably connected with the sliding cover 23, the outer wall of one side of the sliding cover 23 is fixedly connected with the first fixture block 25, the inner wall of one side of the slot 21 is provided with, the elastic sheet 27 is fixedly connected to the inner wall of one side of the first accommodating groove 26, the inner wall of one side of the first accommodating groove 26 is provided with a limiting hole 28, the inner wall of one side of the limiting hole 28 is sleeved with the limiting block 29, the outer wall of one side of the limiting block 29 is fixedly connected with the spring 210, one end of the spring 210 is fixedly connected to the inner wall of one side of the limiting hole 28, the outer wall of one side of the limiting block 29 is fixedly connected with the second clamping block 211, the second clamping block 211 is clamped with the first clamping block 25, the inner wall of one side of the limiting hole 28 is provided with the first sliding groove 212, the inner wall of one side of the first sliding groove 212 is slidably connected with the connecting rod 213, the outer wall of one side of the connecting rod 213 is fixedly;

the wiring assembly 3 comprises an internally threaded tube 31, a second baffle 32, a twist cap 33, a threaded rod 34, a connecting block 35, a first wire pressing block 36, a second wire pressing block 37, a second accommodating groove 38, a second sliding groove 39, a fixing block 310, an insertion hole 311 and a guide hole 312, a second accommodating groove 38 is symmetrically formed in the inner wall of one side of the outer shell 1, a guide hole 312 is formed in the inner wall of the top end of the second accommodating groove 38, an internal threaded pipe 31 is sleeved on the inner wall of one side of the guide hole 312, a second baffle 32 is symmetrically and fixedly connected to the outer wall of one side of the internal threaded pipe 31, a twist cap 33 is fixedly connected to the outer wall of one side of the internal threaded pipe 31, a threaded rod 34 is in threaded connection with the inner wall of one side of the internal threaded pipe 31, a connecting block 35 is fixedly connected to the outer wall of one side of the threaded rod 34, a first wire pressing block 36 is fixedly connected to the outer wall of one side of the connecting block 35; the outer wall of one side of the sliding cover 23 is fixedly connected with a first baffle 24, so that the sliding cover 23 can be conveniently opened; a fixing block 310 is fixedly connected to the inner wall of the bottom end of the second accommodating groove 38 and used for preventing the metal wire 6 from falling off; the inner walls of the two sides of the second accommodating groove 38 are symmetrically provided with second sliding grooves 39, and the connecting block 35 is connected to the inner wall of one side of the second sliding grooves 39 in a sliding manner and used for guiding the connecting block 35; a jack 311 is arranged on the inner wall of one side of the second accommodating groove 38, a lead 5 is inserted into the inner wall of one side of the jack 311, and a metal wire 6 is arranged on the inner wall of one side of the lead 5 and used for circuit connection; the outer wall of the bottom end of the stop block 7 is symmetrically fixed with an inserting block 8, the inner wall of one side of the inserting block 8 is inserted with a conducting plate 4, the outer wall of one side of the conducting plate 4 is connected with a fuse 9 in a clamping manner, and the fuse 9 is inserted in the slot 21 and used for clamping the fuse 9;

use the utility model discloses during the current-limiting, at first install fuse 9, then establish ties this current-limiting switch to the circuit, concrete operation is: the sliding cap 214 slides to drive the connecting rod 213 to slide along the first sliding slot 212, drives the limiting block 29 to slide along the limiting hole 28, and compresses the spring 210, at this time, the first clamping block 25 is separated from the second clamping block 211, the sliding cover 23 is ejected out of the first accommodating groove 26 under the reset action of the elastic sheet 27, at this time, the first baffle 24 can be pinched, the sliding cover 23 is pulled out along the guide groove 22 to expose the slot 21, the fuse 9 is inserted into the slot 21, the fuse 9 is clamped by the conductive sheets 4 at the two ends, the first baffle 24 is pushed, the sliding cover 23 is driven, until the first clamping block 25 and the second clamping block 211 are mutually clamped, and the installation of the fuse 9 is completed;

the exposed metal wire 6 on the lead 5 is inserted into the jack 311, the metal wire reaches the upper part of the conducting strip 4 through the notch on the fixing block 310, the rotating twist cap 33 rotates, the internal thread tube 31 rotates inside the guide hole 312 under the limiting action of the second baffle 32, the threaded rod 34 rotates downwards, the connecting block 35 slides downwards along the second chute 39 under the guiding action of the second chute 39, the first wire pressing block 36 and the second wire pressing block 37 are driven, the metal wire 6 is bent under the action of the fixing block 310, the metal wire 6 is tightly attached to the conducting strip 4, and series connection is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a current-limiting switch, includes shell (1), fixed subassembly (2), wiring subassembly (3), conducting strip (4), wire (5), wire (6), dog (7), plug block (8) and fuse (9), its characterized in that: the fixing device comprises a shell (1), wherein a fixing component (2) is arranged on the inner wall of one side of the shell (1), the fixing component (2) comprises a slot (21), a guide groove (22), a sliding cover (23), a first baffle (24), a first clamping block (25), a first accommodating groove (26), an elastic sheet (27), a limiting hole (28), a limiting block (29), a spring (210), a second clamping block (211), a first sliding groove (212), a connecting rod (213) and a sliding cap (214), the slot (21) is formed in the inner wall of one side of the shell (1), the guide groove (22) is formed in the inner wall of one side of the slot (21), the sliding cover (23) is connected to the inner wall of one side of the guide groove (22) in a sliding manner, the first clamping block (25) is fixedly connected to the outer wall of one side of the sliding cover (23), the first accommodating groove (26) is formed in the inner wall of one side of the slot (21), an elastic sheet (27) is fixedly connected on the inner wall of one side of the first accommodating groove (26), a limiting hole (28) is formed in the inner wall of one side of the first accommodating groove (26), a limiting block (29) is sleeved on the inner wall of one side of the limiting hole (28), a spring (210) is fixedly connected to the outer wall of one side of the limiting block (29), one end of the spring (210) is fixedly connected on the inner wall of one side of the limit hole (28), a second clamping block (211) is fixedly connected on the outer wall of one side of the limiting block (29), the second fixture block (211) is mutually clamped with the first fixture block (25), a first sliding groove (212) is arranged on the inner wall of one side of the limiting hole (28), a connecting rod (213) is connected on the inner wall of one side of the first sliding chute (212) in a sliding way, a sliding cap (214) is fixedly connected to the outer wall of one side of the connecting rod (213), and a wiring assembly (3) is arranged on the inner wall of one side of the shell (1);

the wiring assembly (3) comprises an internal thread pipe (31), a second baffle plate (32), a twisting cap (33), a threaded rod (34), a connecting block (35), a first wire pressing block (36), a second wire pressing block (37), a second accommodating groove (38), a second sliding groove (39), a fixing block (310), a jack (311) and a guide hole (312), wherein the second accommodating groove (38) is symmetrically formed in the inner wall of one side of the shell (1), the guide hole (312) is formed in the inner wall of the top end of the second accommodating groove (38), the internal thread pipe (31) is sleeved on the inner wall of one side of the guide hole (312), the second baffle plate (32) is symmetrically and fixedly connected to the outer wall of one side of the internal thread pipe (31), the twisting cap (33) is fixedly connected to the outer wall of one side of the internal thread pipe (31), and the threaded rod (34) is in threaded connection to the inner wall of, fixedly connected with connecting block (35) on the outer wall of one side of threaded rod (34), fixedly connected with first line ball piece (36) on the outer wall of one side of connecting block (35), fixedly connected with second line ball piece (37) on the outer wall of one side of connecting block (35).

2. A current limiting switch as claimed in claim 1, wherein: the outer wall of one side of the sliding cover (23) is fixedly connected with a first baffle (24).

3. A current limiting switch as claimed in claim 1, wherein: and a fixing block (310) is fixedly connected to the inner wall of the bottom end of the second accommodating groove (38).

4. A current limiting switch as claimed in claim 1, wherein: second spout (39) have been seted up to the symmetry on the both sides inner wall of second holding tank (38), and connecting block (35) sliding connection is on one side inner wall of second spout (39).

5. A current limiting switch as claimed in claim 1, wherein: an insertion hole (311) is formed in the inner wall of one side of the second accommodating groove (38), a lead (5) is inserted into the inner wall of one side of the insertion hole (311), and a metal wire (6) is arranged on the inner wall of one side of the lead (5).

6. A current limiting switch as claimed in claim 1, wherein: the novel plug-in type fuse is characterized in that plug-in blocks (8) are symmetrically fixed on the outer wall of the bottom end of the stop block (7), a conducting plate (4) is plugged into the inner wall of one side of each plug-in block (8), fuses (9) are connected onto the outer wall of one side of each conducting plate (4) in a clamping mode, and the fuses (9) are plugged into the slots (21).