CN207441505U - A kind of switching device - Google Patents
A kind of switching device Download PDFInfo
- Publication number
- CN207441505U CN207441505U CN201721354550.9U CN201721354550U CN207441505U CN 207441505 U CN207441505 U CN 207441505U CN 201721354550 U CN201721354550 U CN 201721354550U CN 207441505 U CN207441505 U CN 207441505U
- Authority
- CN
- China
- Prior art keywords
- housing body
- mounting base
- switch housing
- switch
- wire connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a kind of switching devices, including arc extinguishing grid, switch housing body and flourescent sheet, the inner tip of the switch housing body is provided with wire connection terminal, fixing bolt is provided on the right side of the wire connection terminal, the right end of the switch housing body is provided with operation handle, the bottom of the operation handle is provided with arm pivot post, and handle joint lever is provided with below the arm pivot post；Drying device is set at the terminals of air switch, drying device is fixed on by card slot on the outside of wire connection terminal, it can prevent external wet air from entering inside air switch, and it is provided with moisture-proof absorbent wool in the outside of arc extinguishing grid, arc-chute lattice can be made to be in drying regime, make the insulating properties of arc extinguishing grid will not decline, ensure the functional reliability of air switch, and in the lower section of air switch operation handle flourescent sheet is set in the case of dark staff to be facilitated to find the position of the switch.
Description
Technical field
The utility model belongs to technical field of electric equipment, and in particular to a kind of switching device.
Background technology
Air switch, as long as being the switch that electric current is more than rated current will disconnect automatically in a kind of circuit, air switch
It is very important a kind of electric appliance in low voltage power distribution network and electric drive system, it collects control and multi-protective function in one
Body, in addition to it can complete contact and disjunction circuit, moreover it is possible to which raw short circuit, heavy overload and under-voltage are triggered to circuit or electrical equipment
Etc. being protected, while can be used for infrequently starting motor.
Original air switch is mounted in the switch board of electrical equipment, when in use in power distribution cabinet or control system,
During equipment emerged in operation short-circuit state, automatically power off to ensure the safety of electrical equipment, but air switch is in humid air
In, aqueous vapor can be entered by connecting part inside air switch, and the arc extinction performance of arc extinguishing grid is caused to be deteriorated, causes to switch short
Road damages to equipment.
Utility model content
The purpose of this utility model is to provide a kind of switching device, to solve original sky mentioned above in the background art
Air cock is mounted in the switch board of electrical equipment, when in use in power distribution cabinet or control system, in equipment emerged in operation
During short-circuit state, automatically power off to ensure the safety of electrical equipment, but air switch, in humid air, aqueous vapor can be by connecing
It is entered at line inside air switch, the arc extinction performance of arc extinguishing grid is caused to be deteriorated, switch short is caused, damages to equipment
Problem.
To achieve the above object, the utility model provides following technical solution：A kind of switching device, including arc extinguishing grid,
Switch housing body and flourescent sheet, the inner tip of the switch housing body are provided with wire connection terminal, the right side of the wire connection terminal
Fixing bolt is provided with, the right end of the switch housing body is provided with operation handle, and the bottom of the operation handle is provided with hand
Handle shaft, handle joint lever is provided with below the arm pivot post, and the bottom of the handle joint lever is provided with connecting rod and turns
Axis, the arc extinguishing grid are mounted on the inside left end middle position of switch housing body, and are provided on the outside of arc extinguishing grid anti-
Damp absorbent wool is provided with magnetictrip on the right side of the arc extinguishing grid, and being provided with electromagnetism on the outside of the magnetictrip takes off
Device coil is detained, overload protection piece is provided with below the magnetictrip coil, shell is provided on the switch housing body
Body fixing axle, the flourescent sheet are mounted on the right surface bottom of switch housing body, are provided with and connect above the wire connection terminal
Line mouth, and lower connection jaws are provided with below wire connection terminal, drying sheet, the drying sheet are provided on the right side of the fixing bolt
Top be provided with drying sheet mounting base, the both sides of the drying sheet mounting base are provided with mounting base buckle, the mounting base card
The top of button is provided with buckle button, and the bottom of mounting base buckle is provided with buckle shaft, the magnetictrip and outside
Power supply is electrically connected.
Preferably, it is rotatablely connected between the operation handle and switch housing body by arm pivot post, the operation handle
It is sequentially connected between overload protection piece by handle joint lever, passes through connection between the handle joint lever and switch housing body
Bar shaft is rotatablely connected.
Preferably, there are three the flourescent sheet is set altogether, and three flourescent sheets are installed in the right surface of switch housing body
Bottom.
Preferably, it is fixedly connected between the drying sheet mounting base and switch housing body by mounting base buckle, the peace
It being rotatablely connected between dress seat buckle and drying sheet mounting base by the shaft that is buckled, the mounting base is buckled there are two common set, and
Two mounting base buckles are separately mounted to the left and right ends of drying sheet mounting base.
Preferably, there are two the wire connection terminal is set altogether, and two wire connection terminals are separately mounted in switch housing body
The top and bottom in portion, are threadably secured connection between the fixing bolt and wire connection terminal.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
It is convenient, drying device is set at the terminals of air switch, and drying device is fixed on by card slot on the outside of wire connection terminal, can be with
It prevents external wet air from entering inside air switch, and moisture-proof absorbent wool is provided in the outside of arc extinguishing grid, can make
Arc extinguishing grid is in drying regime, makes the insulating properties of arc extinguishing grid will not decline, and ensures the functional reliability of air switch, and
Set flourescent sheet that staff is facilitated to find switch position in the case of dark in the lower section of air switch operation handle
It puts.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the structure diagram of the utility model wire connection terminal；
In figure：1- wire connection terminals, 2- fixing bolts, 3- operation handles, 4- arm pivot posts, 5- handle joint levers, 6- connections
Bar shaft, 7- magnetictrips coil, 8- magnetictrips, 9- overload protections piece, 10- outer housings fixing axle, 11- arc-chutes
The moisture-proof absorbent wool of lattice, 12-, 13- switch housings body, 14- flourescent sheets, 15- drying sheets mounting base, 16- buckles button, 17- installations
Connection jaws, the upper connection jaws of 21- under seat buckle, 18- buckles shaft, 19- drying sheets, 20-.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of switching device including arc extinguishing grid 11, is opened
Housing 13 and flourescent sheet 14 outside the Pass, the inner tip of switch housing body 13 are provided with wire connection terminal 1, and the right side of wire connection terminal 1 is set
Fixing bolt 2 is equipped with, the right end of switch housing body 13 is provided with operation handle 3, and the bottom of operation handle 3 is provided with arm pivot post
4, the lower section of arm pivot post 4 is provided with handle joint lever 5, and the bottom of handle joint lever 5 is provided with connecting rod shaft 6, arc-chute
Lattice 11 are mounted on the inside left end middle position of switch housing body 13, and the outside of arc extinguishing grid 11 is provided with moisture-proof absorbent wool
12, the right side of arc extinguishing grid 11 is provided with magnetictrip 8, and the outside of magnetictrip 8 is provided with magnetictrip coil 7,
The lower section of magnetictrip coil 7 is provided with overload protection piece 9, and outer housing fixing axle 10 is provided on switch housing body 13, glimmering
Mating plate 14 is mounted on the right surface bottom of switch housing body 13, and the top of wire connection terminal 1 is provided with connection jaws 21, and terminals
The lower section of son 1 is provided with lower connection jaws 20, and the right side of fixing bolt 2 is provided with drying sheet 19, and the top of drying sheet 19 is provided with
Drying sheet mounting base 15, the both sides of drying sheet mounting base 15 are provided with mounting base buckle 17, and the top of mounting base buckle 17 is set
There is buckle button 16, and the bottom of mounting base buckle 17 is provided with buckle shaft 18, magnetictrip 8 electrically connects with external power supply
It connects.
In order to enable operation handle 3 can control contact division, in the present embodiment, it is preferred that operation handle 3 is outer with switch
It is rotatablely connected by arm pivot post 4 between housing 13, is driven between operation handle 3 and overload protection piece 9 by handle joint lever 5
Connection, is rotatablely connected between handle joint lever 5 and switch housing body 13 by connecting rod shaft 6.
In order to enable under conditions of light is bad, personnel is facilitated to find the position of the switch, in the present embodiment, it is preferred that glimmering
There are three mating plate 14 is set altogether, and three flourescent sheets 14 are installed in the right surface bottom of switch housing body 13.
In order to enable humid air will not be entered inside switch housing body 13, in the present embodiment, it is preferred that drying sheet is installed
17 be fixedly connected by mounting base buckle between seat 15 and switch housing body 13, mounting base buckle 17 and drying sheet mounting base 15 it
Between be rotatablely connected by the shaft 18 that is buckled, there are two mounting base buckle 17 is set altogether, and two mounting bases buckle 17 is installed respectively
In the left and right ends of drying sheet mounting base 15.
In order to enable wire connection terminal 1 be connected with External cable it is closer, in the present embodiment, it is preferred that wire connection terminal 1 is common
There are two settings, and two wire connection terminals 1 are separately mounted to the top and bottom inside switch housing body 13, fixing bolt 2 with
Connection is threadably secured between wire connection terminal 1.
The operation principle and process for using of the utility model：After the utility model installs, switch housing body 13 is consolidated
It is scheduled in Installation cabinet, electric wire with wire connection terminal 1 is connected, is fixed by fixing bolt 2, set in the outside of fixing bolt 2 dry
It dry 19, prevents aqueous vapor from entering, is then attached on magnetictrip coil 7, be connected afterwards with arc extinguishing grid 11, it is outer from switch
The wire connection terminal 1 of 13 bottom of housing picks out, and can manually pull 3 to control the switch of electrical equipment, be set in switch
When standby, since electric current is larger, the electric arc of generation is dissipated in arc extinguishing grid 11, and external in arc extinguishing grid 11 sets moisture-proof suction
Water cotton 12 to dry the air around arc extinguishing grid 11, prevents insulating capacity from declining, and in equipment fluctuation of service or occurs short
During the situation of road, electric current fluctuates in magnetictrip coil 7, and the magnetic force of magnetictrip 8 is made to change, and overload is driven to protect
Bluff piece 9 moves, and so as to the switch of pass hull closure, equipment is formed and is protected.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of switching device, including arc extinguishing grid (11), switch housing body (13) and flourescent sheet (14), it is characterised in that：Institute
The inner tip for stating switch housing body (13) is provided with wire connection terminal (1), and fixed spiral shell is provided on the right side of the wire connection terminal (1)
Bolt (2), the right end of the switch housing body (13) are provided with operation handle (3), and the bottom of the operation handle (3) is provided with hand
Handle shaft (4) is provided with handle joint lever (5) below the arm pivot post (4), and the bottom of the handle joint lever (5) is set
Connecting rod shaft (6) is equipped with, the arc extinguishing grid (11) is mounted on the inside left end middle position of switch housing body (13), and
Moisture-proof absorbent wool (12) is provided on the outside of arc extinguishing grid (11), magnetictrip is provided on the right side of the arc extinguishing grid (11)
(8), magnetictrip coil (7) is provided on the outside of the magnetictrip (8), under the magnetictrip coil (7)
Side is provided with overload protection piece (9), and outer housing fixing axle (10), the flourescent sheet are provided on the switch housing body (13)
(14) the right surface bottom of switch housing body (13) is mounted on, connection jaws (21) are provided with above the wire connection terminal (1),
And lower connection jaws (20) are provided with below wire connection terminal (1), drying sheet (19) is provided on the right side of the fixing bolt (2),
The top of the drying sheet (19) is provided with drying sheet mounting base (15), and the both sides of the drying sheet mounting base (15) are provided with peace
Seat buckle (17) is filled, the top of the mounting base buckle (17) is provided with buckle button (16), and the bottom of mounting base buckle (17)
End is provided with buckle shaft (18), and the magnetictrip (8) is electrically connected with external power supply.
2. a kind of switching device according to claim 1, it is characterised in that：The operation handle (3) and switch housing body
(13) it is rotatablely connected by arm pivot post (4) between, is connected between the operation handle (3) and overload protection piece (9) by handle
Extension bar (5) is sequentially connected, and is rotated and connected by connecting rod shaft (6) between the handle joint lever (5) and switch housing body (13)
It connects.
3. a kind of switching device according to claim 1, it is characterised in that：There are three the flourescent sheet (14) is set altogether,
And three flourescent sheets (14) are installed in the right surface bottom of switch housing body (13).
4. a kind of switching device according to claim 1, it is characterised in that：The drying sheet mounting base (15) is outer with switch
Between housing (13) by mounting base be buckled (17) be fixedly connected, mounting base buckle (17) and drying sheet mounting base (15) it
Between be rotatablely connected by the shaft that is buckled (18), there are two mounting base buckle (17) is set altogether, and two mounting bases buckles
(17) left and right ends of drying sheet mounting base (15) are separately mounted to.
5. a kind of switching device according to claim 1, it is characterised in that：There are two the wire connection terminal (1) is set altogether,
And two wire connection terminals (1) are separately mounted to the internal top and bottom of switch housing body (13), the fixing bolt (2) is with connecing
Line terminals are threadably secured connection between (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354550.9U CN207441505U (en) | 2017-10-20 | 2017-10-20 | A kind of switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354550.9U CN207441505U (en) | 2017-10-20 | 2017-10-20 | A kind of switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441505U true CN207441505U (en) | 2018-06-01 |
Family
ID=62292671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721354550.9U Expired - Fee Related CN207441505U (en) | 2017-10-20 | 2017-10-20 | A kind of switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441505U (en) |
-
2017
- 2017-10-20 CN CN201721354550.9U patent/CN207441505U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20181020 |