CN218585841U - Protective switch - Google Patents

Abstract

The utility model discloses a protection switch, including protector body, centre gripping subassembly and seal assembly, the protector body still includes the connection terminal of rear end to and the screw hole of connection terminal upper end, the centre gripping subassembly includes the fixed single clamp of protector body rear end connection terminal bottom installation to and the fixed bus clamp of protector body rear end bottom center installation. A protection switch, the pencil of connection bottom the connection, but the block is between fixed single clamp and activity single clamp, and then carry out the centre gripping fastening to the pencil after connecting, avoid the pine of pencil to take off, the inboard card post of back seal shell, also can block to the inside of screw hole, avoid the pine of the inside screw of connection terminal to fall, and cause the disconnect-connection of pencil, the preceding seal shell and the back seal shell of protector body front and back end installation, can protect the pencil of internal connection, the cotton that absorbs water that also accessible junction installation, provide water proof to the protector body of inside.

Description

Protective switch

Technical Field

The utility model relates to a protection switch technical field, in particular to protection switch.

Background

The leakage protection switch is mainly used for timely disconnecting a circuit when equipment has a leakage fault and a fatal danger human body electric shock occurs, and can be divided into a voltage type, a current type and a pulse type according to the working principle of a protector.

The wire harness connected with the inside of the wire holder of the existing protection switch is not provided with a protection structure after connection, so that the wire harness is easy to separate after long-time use or after being dragged by external force, and therefore the protection switch is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a protection switch, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a protection switch, includes protector body, centre gripping subassembly and seal assembly, the protector body still includes the connection terminal of rear end to and the screw hole of connection terminal upper end, the centre gripping subassembly includes the fixed single clamp of protector body rear end connection terminal bottom installation to and the fixed bus clamp of protector body rear end bottom center installation, the rear seal shell is still installed to the rear end of protector body, the centre gripping subassembly still includes that the rear seal shell is inboard to be the activity single clamp and the activity bus clamp that correspond the installation with fixed single clamp, fixed bus clamp.

Preferably, the clamping assembly further comprises clamping columns which are arranged on the inner side of the rear sealing shell and matched with screw holes at the upper end of the wire holder.

Preferably, the clamping assembly further comprises a wire harness hole formed in the bottom of the rear sealing shell in a penetrating mode.

Preferably, the sealing component comprises a connecting plate arranged at the outer end of the protector body, and a first water absorbent cotton and a second water absorbent cotton which are arranged at the front end and the rear end of the connecting plate.

Preferably, seal assembly still includes the preceding sealed shell of protector body front end installation to and the splint that the upper end correspondence of preceding sealed shell and back sealed shell set up, the mounting hole has still been seted up to the four corners department of splint, and the internally mounted of mounting hole has the bolt.

Preferably, the connecting plate is matched with the clamping plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. a protection switch, the wire harness connected at the bottom of a wire holder can be clamped between a fixed single wire clamp and a movable single wire clamp, so that the connected wire harness is clamped and fastened, loosening of the wire harness is avoided, a clamping column on the inner side of a rear sealing shell can also be clamped to the inside of a screw hole, and loosening of screws in the wire holder is avoided, so that disconnection of the wire harness is avoided;

2. the utility model provides a protection switch, preceding sealed shell and the back sealed shell of protector body front and back end installation can protect the pencil of internal connection, also can provide water proof protection to the protector body of inside through the cotton that absorbs water of junction installation.

Drawings

Fig. 1 is a schematic view of an overall structure of a protection switch according to the present invention;

fig. 2 is a split view of a protection switch according to the present invention;

fig. 3 is an enlarged view of a in fig. 2 of the protection switch of the present invention;

fig. 4 is another view of the protection switch split view of the present invention.

Reference numerals are as follows:

100. a protector body; 110. a wire holder; 120. a screw hole;

200. a clamping assembly; 210. fixing the single wire clamp; 220. fixing a bus clamp; 230. a rear sealing shell; 240. a movable single wire clamp; 250. a movable bus clamp; 260. clamping the column; 270. a wire harness hole;

300. a seal assembly; 310. a connecting plate; 320. first absorbent cotton; 330. second absorbent cotton; 340. a front sealing shell; 350. a splint; 360. mounting holes; 370. and (4) bolts.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 4, the present embodiment provides a protection switch, including a protector body 100, a clamping assembly 200 and a sealing assembly 300, the protector body 100 further includes a wire holder 110 at a rear end, and a screw hole 120 at an upper end of the wire holder 110, the clamping assembly 200 includes a fixed single wire clamp 210 installed at a bottom of the wire holder 110 at the rear end of the protector body 100, and a fixed bus clamp 220 installed at a bottom center of the rear end of the protector body 100, a rear sealing shell 230 is further installed at the rear end of the protector body 100, the clamping assembly 200 further includes a movable single wire clamp 240 and a movable bus clamp 250 installed correspondingly to an inner side of the rear sealing shell 230 and the fixed single wire clamp 210, the clamping assembly 200 further includes a clamping column 260 installed at an inner side of the rear sealing shell 230 and matched with the screw hole 120 at the wire holder 110, and the clamping assembly 200 further includes a wire harness hole 270 opened through a bottom of the rear sealing shell 230.

Specifically, the wire harness connected to the bottom of the wire holder 110 can be installed in the rear sealing shell 230, the single wire is clamped between the fixed single wire clamp 210 and the movable single wire clamp 240, the bus is clamped between the fixed bus clamp 220 and the movable bus clamp 250, the wire harness after connection is clamped and fastened, the wire harness is prevented from loosening, the clamping column 260 on the inner side of the rear sealing shell 230 can also be installed in the rear sealing shell 230, the wire harness is clamped in the screw hole 120 in the upper end of the wire holder 110, the loosening of screws in the wire holder 110 is avoided, and the connection and disconnection of the wire harness are caused.

The second embodiment:

on the basis of the first embodiment, as shown in fig. 2, the sealing assembly 300 includes a connecting plate 310 disposed at the outer end of the protector body 100, a first absorbent cotton 320 and a second absorbent cotton 330 mounted at the front and rear ends of the connecting plate 310, the sealing assembly 300 further includes a front sealing shell 340 mounted at the front end of the protector body 100, and a clamping plate 350 disposed at the upper ends of the front sealing shell 340 and the rear sealing shell 230 correspondingly, mounting holes 360 are further opened at four corners of the clamping plate 350, bolts 370 are mounted inside the mounting holes 360, and the connecting plate 310 is matched with the clamping plate 350.

Specifically, preceding sealed shell 340 and back sealed shell 230, splint 350 that its front and back end of accessible set up are connected with connecting plate 310 of protector body 100 upper end, and preceding sealed shell 340 and back sealed shell 230 can protect the pencil that the protector body 100 rear end is connected, and the cotton 320 of first absorbing water and the cotton 330 of second absorbing water that also can install through connecting plate 310 and splint 350 junction provide water proof to inside protector body 100.

The utility model discloses a theory of operation and use flow:

when the wire harness at the rear end of the protector body 100 is connected, the wire harness is firstly inserted through the wire harness hole 270 at the bottom of the rear sealing shell 230, the wire harness is separated, the wire harness is sequentially inserted into the bottom of the wire holder 110, the screw in the screw hole 120 at the rear end of the wire holder 110 is screwed, so as to fix the connected wire harness, after the connection of the wire harness is completed, the single wire harness is placed in the fixed single wire clamp 210 at the bottom of the wire holder 110, the bus with the combined bottom is placed in the fixed bus clamp 220, the rear sealing shell 230 is connected with the connecting plate 310 between the first water-absorbing cotton 320 and the second water-absorbing cotton 330 at the upper end of the protector body 100 through the clamping plate 350 at the front end, after the installation of the rear sealing shell 230 is completed, the movable single wire clamp 240 and the movable bus clamp 250 in the rear sealing shell 230 are connected to the upper ends of the fixed single wire clamp 210 and the fixed bus clamp 220 in a matching manner, so as to clamp the wire harness between the single wire clamp, the clamping column 260 in the rear sealing shell 230 is clamped into the screw hole 120 in the rear sealing shell 340, the front sealing shell 340 and the rear sealing shell 230, and the front sealing shell 230, and the rear sealing shell 230, and the front sealing shell 230 are also connected to the front sealing shell 340 and the rear sealing shell and the front sealing shell and the rear shell 230, and the front sealing shell 230, and the rear shell, and the front shell 230, and the rear shell 100.

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 claims and their equivalents.

Claims (6)

1. The utility model provides a protection switch, includes protector body (100), centre gripping subassembly (200) and seal assembly (300), protector body (100) still includes wire holder (110) of rear end to and screw hole (120) of wire holder (110) upper end, a serial communication port, centre gripping subassembly (200) include fixed single clamp (210) of protector body (100) rear end wire holder (110) bottom installation to and fixed bus clamp (220) of protector body (100) rear end bottom center installation, rear seal shell (230) are still installed to the rear end of protector body (100), centre gripping subassembly (200) still include rear seal shell (230) inboard and fixed single clamp (210), fixed bus clamp (220) are the activity single clamp (240) and the activity bus clamp (250) that correspond the installation.

2. A protection switch according to claim 1, wherein the clamping assembly (200) further comprises a clamping column (260) arranged inside the rear sealing shell (230) and matching with the screw hole (120) at the upper end of the wire holder (110).

3. The protection switch of claim 1, wherein said clamping assembly (200) further comprises a wiring harness hole (270) formed through the bottom of said rear sealing shell (230).

4. A protection switch according to claim 1, wherein the sealing assembly (300) comprises a connecting plate (310) provided at an outer end of the protector body (100), and a first absorbent cotton (320) and a second absorbent cotton (330) provided at front and rear ends of the connecting plate (310).

5. The protection switch according to claim 1, wherein the sealing assembly (300) further comprises a front sealing shell (340) mounted at the front end of the protector body (100), and clamping plates (350) correspondingly disposed at the upper ends of the front sealing shell (340) and the rear sealing shell (230), wherein mounting holes (360) are further formed at four corners of the clamping plates (350), and bolts (370) are mounted inside the mounting holes (360).

6. A protection switch according to claim 4, characterized in that the connection plate (310) is adapted to the clamping plate (350).

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