CN210429694U

CN210429694U - Protection type switch for low-voltage apparatus convenient to maintenance

Info

Publication number: CN210429694U
Application number: CN201921101704.2U
Authority: CN
Inventors: 曾金银
Original assignee: Shanghai Qiben Automation Technology Co Ltd
Current assignee: Shanghai Qiben Automation Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-28
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a protective switch for low-voltage electrical appliances, which is convenient to maintain and comprises an appliance body and a fixed plate, the rear end bolt of the machine body is fixed with a fixed plate, the wire pressing device of the utility model presses the wire by the force from the embedding groove, presses the wire into the wire groove from the embedding groove, when the machine is maintained and the electric wire on the breaker is removed, the electric wire is clamped in the wire groove on the box body so as not to drop into the low-voltage electrical box, the electric wire is connected to the breaker switch quickly after the electric wire is repaired, the wire pressing device fixes the electric wire at the upper end and the lower end of the breaker switch, when the electric wire on the circuit breaker switch is removed during maintenance, the electric wire cannot fall into the low-voltage electric appliance box through the wire pressing device, and the electric wire is connected to the circuit breaker switch quickly after the electric wire is repaired, so that the electric wire does not need to be searched in the low-voltage electric appliance box and other electronic elements are damaged.

Description

Protection type switch for low-voltage apparatus convenient to maintenance

Technical Field

The utility model belongs to the technical field of the low-voltage apparatus is relevant, concretely relates to protection type switch for low-voltage apparatus convenient to maintenance.

Background

The low-voltage electrical appliance is an element or equipment which can be manually or automatically switched on and off according to external signals and requirements so as to realize switching, control, protection, detection, transformation and regulation of circuits or non-electric objects. The control devices can be divided into two types, i.e., high-voltage control devices and low-voltage control devices, according to the working voltage of the control devices, which is bounded by alternating current 1200V and direct current 1500V. Generally, low-voltage electrical appliances can be divided into two categories, namely distribution electrical appliances and control electrical appliances, and are basic constituent elements of a complete set of electrical equipment. In industry, agriculture, traffic, national defense and electricity utilization departments of people, low-voltage power supply is mostly adopted, so the quality of electrical components directly influences the reliability of a low-voltage power supply system. Wherein the internal breaker switch of the low-voltage appliance will automatically be de-energized when a fault occurs.

The prior art has the following problems: when the low-voltage apparatus during operation breaks down, maintain the circuit breaker switch dismantlement, nevertheless dismantle the inside that the electric wire that the back circuit breaker was connected before all falls the low-voltage apparatus case, need follow the power and find out in the low-voltage apparatus case when reinstallating behind, nevertheless electronic component in the low-voltage apparatus case is more not look for, damages inside electronic components moreover easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection type switch for low-voltage apparatus convenient to maintenance to solve and maintain when the low-voltage apparatus during operation breaks down that proposes in the above-mentioned background art, need dismantle circuit breaker switch and maintain, nevertheless dismantle the inside that the electric wire that connects before the back circuit breaker all falls the low-voltage apparatus case, need find out the power from the low-voltage apparatus case when reinstalling behind, but the more nonconservation of electronic component in the low-voltage apparatus case is look for, and easy with inside electronic components damage problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a protection type switch for low-voltage apparatus convenient to maintenance, includes organism and fixed plate, the rear end bolt fastening of organism has the fixed plate, the upper and lower both ends of organism are located the upper and lower both sides bolt fastening wire clip of fixed plate, wire clip includes wire casing, box body, fixed port and inlays the groove, the wire casing has been run through to three sides in the upper end left side of box body, the front end of wire casing has run through to inlay the groove, the front end of box body is located two and inlays and run through between the groove has the fixed port, the upside left side of organism is run through to three sides in the right side, be provided with the stiff end between two organisms, the middle part welding of organism has the floodgate body, the middle part of floodgate body is inlayed and is had the switch, the left downside that the left side below of switch is located the floodgate.

Preferably, a fixed copper block is fixed at the rear end of the inner side of the wiring end through a bolt.

Preferably, the fixing plate comprises a fixing hole, a partition plate and a plate body, the fixing hole penetrates through the upper, middle and lower sides of the plate body, and the partition plate is welded on the left side and the right side of the surface of the plate body at the left side and the right side of the fixing hole.

Preferably, the stiff end is provided with four altogether, and four stiff ends evenly install respectively in the upper and lower both sides of organism, make the organism fix on the fixed plate through the bolt.

Preferably, the number of the embedding grooves is three, the diameter of each embedding groove is smaller than that of each wire groove, and the wires cannot be separated after being clamped.

Preferably, the fixed copper blocks are provided with six fixed copper blocks, and the six fixed copper blocks are respectively fixed in wiring ends at the upper end and the lower end of the machine body through bolts.

Preferably, the two partition plates are arranged, and the two partition plates are convenient for isolating other electronic elements from each other so as not to interfere with each other.

Preferably, when a line side connected with the machine body breaks down, a switch on the brake body automatically trips.

Compared with the prior art, the utility model provides a protection type switch for low-voltage apparatus convenient to maintenance possesses following beneficial effect:

1. the utility model discloses cord grip is by the wire casing, the box body, the fixed port with inlay the groove and constitute, the box body runs through the box body from the fixed port through the bolt, fix the box body on the plate body, press the electric wire through making power from inlaying the groove, press the electric wire into the wire casing from inlaying the groove, maintain when the machine breaks down, when the electric wire on the circuit breaker is demolishd, make it can not break away from into inside the low-voltage apparatus case through the electric wire joint in the wire casing on the box body, after repairing best, be connected to the circuit breaker switch with the electric wire fast.

2. The utility model discloses line ball device beneficial effect fixes the electric wire at circuit breaker's upper and lower both ends through line ball device, demolishs the electric wire on the circuit breaker when the maintenance, can not break away from into low-voltage apparatus incasement portion through the line ball device electric wire, on the electric wire is connected to circuit breaker fast after having repaired, makes it need not look for the electric wire and bump other electronic component bad in the low-voltage apparatus case, improves work efficiency.

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, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic diagram of a switch structure for a protective low-voltage electrical apparatus convenient to maintain;

fig. 2 is a schematic structural view of a switch line pressing device for a protective low-voltage electrical apparatus convenient to maintain;

fig. 3 is a schematic diagram of a top view of a switch for a protective low-voltage electrical apparatus convenient to maintain;

fig. 4 is a schematic structural view of a switch fixing plate for a protective low-voltage electrical apparatus convenient to maintain;

in the figure: 1. a fixing plate; 2. a terminal; 3. a fixed end; 4. a gate body; 5. a switch; 6. a body; 7. a wire pressing device; 8. a reset key; 9. fixing the copper block; 11. a fixing hole; 12. a partition plate; 13. a plate body; 71. a wire slot; 72. a box body; 73. a fixed port; 74. and (5) embedding the grooves.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a protective switch for low-voltage electrical apparatus convenient for maintenance, including organism 6 and fixed plate 1, when the line side that the organism 6 connects breaks down, the automatic tripping operation of switch 5 on the brake body 4, wherein when the current of the circuit is greater than the current value set, the electromagnetic force produced by the over-current release makes the hook trip, the switch 5 on the brake body 4 breaks off rapidly under the pulling force of the spring, realize the tripping operation function of the short-circuiting device, the rear end bolt of the organism 6 fixes the fixed plate 1, the fixed plate 1 includes the fixed hole 11, the splitter plate 12 and plate body 13, the fixed hole 11 has been penetrated through in the upper, middle and lower three sides on the plate body 13, the left and right sides of the fixed hole 11 locate at the plate body 13 surface left and right sides and weld the splitter plate 12, the splitter plate 12 has two altogether, and two splitter plates 12 facilitate isolating other electronic components to make their mutual noninterference, wherein the breaker switch, wherein the fixing plate 1 is fixed on the low-voltage apparatus box body through the fixing hole 11 by bolts, the machine body 6 is held by bare hands to be placed between two partition plates 12 on the fixing plate 1, and the machine body 6 penetrates through the fixing end 3 by bolts to be fixed on a plate body 13.

The utility model provides a protection type switch for low-voltage apparatus convenient to maintenance, the upper and lower both sides bolt fastening who is located fixed plate 1 including organism 6's upper and lower both ends puts crimping 7, crimping 7 includes wire casing 71, box body 72, fixed port 73 and inlay groove 74, wire casing 71 has been run through to three sides in the left-hand side of the upper end of box body 72, the front end of wire casing 71 runs through and inlays groove 74, it is provided with threely to inlay groove 74 altogether, and three groove 74 diameter of inlaying is less than wire casing 71 diameter, can not break away from after advancing the electric wire card, wherein fix box body 72 on plate body 13, press the electric wire through from inlaying groove 74 messenger's power, press the electric wire from inlaying groove 74 into wire casing 71, the front end of box body 72 is located and runs through fixed port 73 between two groove 74 of inla.

A protective switch for low-voltage electrical appliances convenient to maintain comprises an upper side of a machine body 6, wherein wiring terminals 2 penetrate through the left, middle and right sides of the upper side of the machine body 6, fixing ends 3 are arranged between two machine bodies 6, the four fixing ends 3 are uniformly arranged on the upper side and the lower side of the machine body 6 respectively, the machine body 6 is fixed on a fixing plate 1 through bolts, the machine body 6 is held by a bare hand and placed between two partition plates 12 on the fixing plate 1, the machine body 6 penetrates through the machine body 6 from the fixing ends 3 and is fixed on a plate body 13 through bolts, a brake body 4 is welded in the middle of the machine body 6, a switch 5 is embedded in the middle of the brake body 4, a reset key 8 is embedded at the left lower side of the brake body 4 at the left lower side of the switch 5, fixed copper blocks 9 are fixed on inner rear end bolts of the wiring terminals 2, the fixed copper blocks 9 are arranged in six, and the, wherein connect other equipment electric wires with the power electric wire through fixed copper billet 9 and pass through, protect through organism 6, wherein at first the bolt on the fixed copper billet 9 passes through the instrument and unscrews it, inserts again through the bolt fastening in the gap of fixed copper billet 9 from wiring end 2 at the electric wire.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the fixing plate 1 is fixed on the low-voltage electrical appliance box body through the fixing hole 11 by bolts, the machine body 6 is held by bare hands, the machine body 6 is placed between two partition plates 12 on the fixing plate 1, the machine body 6 is penetrated through the machine body 6 from the fixing end 3 by bolts to be fixed on the plate body 13, the electric wire is connected with the fixed copper block 9 through the wiring end 2, the bolts on the fixed copper block 9 are unscrewed by tools, the electric wire is inserted into the gap of the fixed copper block 9 from the wiring end 2 and then fixed by bolts, after the electric wire is completely connected, the electric wire is fixed through the wire pressing device 7, the box body 72 penetrates through the box body 72 from the fixing port 73 by bolts, the box body 72 is fixed on the plate body 13, the electric wire is pressed by force from the embedding slot 74, the electric wire is pressed into the wire inlet slot 71 from the embedding slot 74, after the whole, the switch 5 is then snapped to the open position, the low-voltage electrical appliance starts to work by electrifying, the overcurrent release inside the machine body 6 is used for short circuit and overcurrent protection of the line, when the current of the line is larger than a set current value, the hook is released by the electromagnetic force generated by the overcurrent release, the switch 5 on the brake body 4 is rapidly disconnected under the tension of the spring, the tripping function of the short-circuit device is realized, when the maintenance is carried out, the wire is clamped in the wire groove 71 on the box body 72 by the wire pressing device 7, when the wire on the breaker is removed, the wire is prevented from falling into the low-voltage electrical appliance box, and the wire is rapidly connected to the breaker switch 5 after the maintenance is best.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection type switch for low-voltage apparatus convenient to maintenance, includes organism (6) and fixed plate (1), its characterized in that: the rear end of the machine body (6) is fixed with a fixing plate (1) through bolts, the upper end and the lower end of the machine body (6) are located on the upper side and the lower side of the fixing plate (1) through bolts, a line pressing device (7) is fixed with the line pressing device (7) through bolts, the upper end and the lower end of the machine body (6) are located on the upper side and the lower side of the fixing plate (1), the line pressing device (7) comprises a line groove (71), a box body (72), a fixing port (73) and an embedding groove (74), the line groove (71) penetrates through the left, the middle and the right sides of the upper end of the box body (72), the embedding groove (74) penetrates through the front end of the line groove (71), the fixing port (73) penetrates through the front end of the box body (72) between the two embedding grooves (74), wiring terminals (2) penetrate through the left, the middle and the right sides, and a reset key (8) is embedded in the left lower side of the brake body (4) at the left lower side of the switch (5).

2. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 1, characterized in that: and a fixed copper block (9) is fixed at the rear end of the inner side of the wiring end (2) through a bolt.

3. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 1, characterized in that: the fixing plate (1) comprises fixing holes (11), partition plates (12) and a plate body (13), wherein the fixing holes (11) penetrate through the upper, middle and lower three sides of the plate body (13), and the partition plates (12) are welded on the left side and the right side of the surface of the plate body (13) at the left side and the right side of the fixing holes (11).

4. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 1, characterized in that: stiff end (3) are provided with four altogether, and four stiff ends (3) evenly install respectively in the upper and lower both sides of organism (6), make organism (6) fix on fixed plate (1) through the bolt.

5. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 2, characterized in that: the three embedding grooves (74) are arranged, the diameter of each embedding groove (74) is smaller than that of each wire groove (71), and the wires cannot be separated after being clamped.

6. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 2, characterized in that: six fixed copper blocks (9) are arranged, and the six fixed copper blocks (9) are respectively bolted in wiring ends (2) at the upper end and the lower end of the machine body (6).

7. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 3, characterized in that: the two partition plates (12) are arranged, and the two partition plates (12) are convenient for isolating other electronic elements from each other so as not to interfere with each other.

8. A switch for a low-voltage electrical apparatus protected for convenient maintenance according to claim 1, characterized in that: when a line side connected with the machine body (6) breaks down, the switch (5) on the brake body (4) automatically trips.