CN108962661A - A kind of transfer switch with safeguard function - Google Patents
A kind of transfer switch with safeguard function Download PDFInfo
- Publication number
- CN108962661A CN108962661A CN201811173801.2A CN201811173801A CN108962661A CN 108962661 A CN108962661 A CN 108962661A CN 201811173801 A CN201811173801 A CN 201811173801A CN 108962661 A CN108962661 A CN 108962661A
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- CN
- China
- Prior art keywords
- electrical power
- switch
- protective plate
- power contacts
- main body
- 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.)
- Pending
Links
- 238000012546 transfer Methods 0.000 title claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 90
- 238000009413 insulation Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to change-over switches, more particularly to a kind of transfer switch with safeguard function, switching knob including Switch main body and manipulation, the Switch main body is equipped at least two electrical power contacts terminal regions, each electrical power contacts terminal region is equipped with multiple for connecting the electrical power contacts terminal of power supply line, the transfer switch further includes protective cover, the protective cover is fixed on the Switch main body and covers at least one described electrical power contacts terminal region, and the protective cover is equipped with the opening stretched out for the power supply line.The present invention adds protective cover on transfer switch, keeps electrical power contacts terminal not exposed, protects the safety of operator.
Description
Technical field
The present invention relates to change-over switches, more particularly to a kind of transfer switch with safeguard function.
Background technique
Transfer switch is a kind of for two-way or the device for switching of the above power supply of two-way or load transfer.Power supply
Change-over switch is formed by more piece contact combinations, in the electrical apparatus, be chiefly used in non-frequently connecting with disjunction circuit, power on
And load, three-phase voltage and the positive and negative rotation and the star delta starting that control low capacity asynchronous motor etc. are measured, these components are logical
Crossing installation bolt fastening is an entirety.Transfer switch is different from the operation of knife-like switch, it is the plane behaviour of left and right conversion
Make.The electrical power contacts terminal of current transfer switch be after connecting power supply line it is exposed, be easy to cause personnel accidentally touching and
Lead to injures and deaths.
Summary of the invention
The present invention is to solve above-mentioned technological deficiency, provides a kind of transfer switch with safeguard function,
Protective cover is added on transfer switch, keeps electrical power contacts terminal not exposed, protects the safety of operator.
The technical scheme is that；A kind of transfer switch with safeguard function, including Switch main body and behaviour
The switching knob of control, the Switch main body are equipped at least two electrical power contacts terminal regions, each electrical power contacts terminal region
Equipped with multiple electrical power contacts terminals for being used to connect power supply line, which further includes protective cover, and the protective cover is solid
It is scheduled on the Switch main body and covers at least one described electrical power contacts terminal region, the protective cover, which is equipped with, supplies the power supply
The opening that line stretches out.
Further, protective cover include the first protective plate, the second protective plate and third protective plate, first protective plate,
Second protective plate, third protective plate are sequentially connected, and form the U-shaped protection lid of both-side opening.
Further, the first protective plate is equipped with and protrudes into the detection mouth for detecting the electrical power contacts terminal for detection device.
Further, the first protective plate, the second protective plate and third protective plate are integrally formed.Protective cover utilizes integrated molding
Technological maheup, close structure.
Further, Switch main body is cylinder, and second protective plate is arc plate, first protective plate and described the
Three protective plates are plate, and the opening of the two sides of the protective cover is corresponding with the position of the Switch main body side wall.
Further, the first protective plate is equipped with circular arc bayonet, and the side wall cooperation of the circular arc bayonet and the Switch main body blocks
Enter, the third protective plate is bolted on the bottom surface of the Switch main body.
Further, third protective plate is equipped with sliding slot, and the bottom surface of the sliding slot is equipped with slot, is equipped with the first spiral shell in the sliding slot
The bottom of cap, the third protective plate is equipped with the second nut, passes through the slot using bolt and matches with the first nut in sliding slot
It closes, and after tightening the second nut, the third protective plate is fixed on the bottom surface of the Switch main body.
U-shaped protection lid is caught in by the circular arc bayonet of the first protective plate and the side wall cooperation of cylindrical Switch main body, together
When its bottom cooperate the first nut, the second nut that third protective plate is locked to the bottom of Switch main body using bolt, thus complete
At the fixation with Switch main body.Wherein, it is stretched after power supply line is connect with electrical power contacts terminal from the opening of U-shaped protection lid two sides
Out.
Further, protective cover is that protective cover made of transparent material or trnaslucent materials or the protective cover are equipped with
The form of the electrical power contacts terminal can be checked for personnel.Transfer switch after a period of work, be convenient for work people
The connection of member inspection power supply line and electrical power contacts terminal.
Further, Switch main body includes contact system and insulation shell again, and wherein contact system is by several assemblies
It is constituted in the intracorporal fixed contact pedestal of insulation shell and moving contact, moving contact is attached in the shaft of switching knob, is threaded to not with shaft
It is switched on or switched off circuit with position, fixed contact pedestal, which stretches out, forms electrical power contacts terminal outside insulation shell, for connecting power supply line,
Multiple electrical power contacts terminals form an electrical power contacts terminal region.
The beneficial effects of the invention are as follows；
It is compared to the prior art, protective cover is arranged in the design on Switch main body, and protective cover can cover an at least power supply and connect
Contravention sub-district avoids user's error shock source contact terminal when screwing switch, improves safety, guarantees personal safety.
Detailed description of the invention
Fig. 1 is the top view of the transfer switch with safeguard function.
Fig. 2 is the side view of the transfer switch with safeguard function.
Fig. 3 is the front view of the transfer switch with safeguard function.
Fig. 4 is the view after protective cover is splitted along the face A-A of Fig. 1.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
Embodiment 1:
It please refers to shown in Fig. 1-4, a kind of transfer switch with safeguard function, transfer switch includes Switch main body 1
And the switching knob 2 of manipulation, wherein Switch main body 1 includes again contact system (not shown) and insulation shell 11, wherein connecing
Touching system is by several fixed contact pedestals (being located in insulation shell 11, be not shown) and moving contact being assembled in insulation shell 11
(being located in insulation shell 11, be not shown) is constituted, and the shaft that moving contact is attached to switching knob 2 (is located in insulation shell 11, not
Show) on, being threaded to different location with shaft is switched on or switched off circuit, and fixed contact pedestal stretches out formation power supply outside insulation shell 11 and connects
Contravention 12, for connecting power supply line, multiple electrical power contacts terminals 12 form an electrical power contacts terminal region, present embodiment
In, it can have multiple electrical power contacts terminal regions, for example, two, each electrical power contacts terminal region includes four electrical power contacts ends
Son 12, in order to the connection of power supply line.
Transfer switch further includes protective cover 3, and protective cover 3 is fixed on Switch main body 1 and covers an at least power supply and connects
In the present embodiment a protective cover 3 can will be respectively set at exposed electrical power contacts terminal region in contravention sub-district, and hidden
It is not provided with protective cover 3 at the electrical power contacts terminal zone position covered, the opening that power supply source line stretches out can be equipped on each protective cover 3
31.Transfer switch after a period of work, inspect power supply line and electrical power contacts terminal 12 for the ease of staff
Connection, protective cover 3 can be used transparent material and be made, and obtain transparent protective cover 3, alternatively, protective cover 3 uses translucent material
Material is made, and obtains translucent protective cover 3, alternatively, 3 being equipped on protective cover and can check the view of electrical power contacts terminal 12 for personnel
Window.
In the present embodiment, protective cover 3 includes the first protective plate 32, the second protective plate 33 and third protective plate 34,
First protective plate 32, the second protective plate 33, third protective plate 34 are sequentially connected, and form the U-shaped protection lid of both-side opening, and U-shaped is anti-
The opening 31 that the both ends open of protecting cover can stretch out for power supply source line, the first protective plate 32, the second protective plate 33 and third protection
Plate 34 is integrally formed.
For convenience in staff detect transfer switch, for example, detection transfer switch whether poor contact
Or transfer switch whether contact short circuit, can be equipped on the first protective plate 32 and for detection device protrude into detection electrical power contacts
The detection mouth 321 of terminal 12, certainly, detection mouth 321 can be opened on other protective plates, and it is anti-that present embodiment is preferably opened in first
It on backplate 32, is so convenient to staff and will test device to protrude into protective cover 3 detects, and can avoid personnel in positive reason
It protrudes into protective cover 3 under condition from detection mouth 321 and accidentally touches.Wherein detection device can for multimeter or ammeter or voltmeter or
Electroprobe etc..
Switch main body 1 is cylinder, and the second protective plate 33 is arc plate, and the first protective plate 32 and third protective plate 34 are flat
The opening of plate, the both ends of U-shaped protection lid is corresponding with the position of the side wall of cylindrical switch ontology, and power supply line connects electrical power contacts end
After son 12, power supply line extends protective cover 3 from the opening 31 of side, does not extend from switching knob 2, on the one hand can be convenient for cloth
On the other hand line can prevent staff from touching power supply line.
First protective plate 32 is equipped with circular arc bayonet (not shown), and circular arc bayonet and the side wall cooperation of Switch main body 1 are caught in, the
Three protective plates 34 are fixed on the bottom surface of Switch main body 1 by bolt 35, in this way, protective cover 3 is fixed on Switch main body 1.
Third protective plate 34 is equipped with sliding slot 36, and the bottom surface of sliding slot 36 is equipped with slot, and the first nut 37, third protection are equipped in sliding slot 36
The bottom of plate 34 is equipped with the second nut 38, passes through the first nut 37 in slot and sliding slot 36 using bolt 35 and cooperates, and tightens
After second nut 38, third protective plate 34 is fixed on the bottom surface of Switch main body 1.First nut 37 is used for the cooperation of bolt 35
The insulation crust 11 on Switch main body 1 is fastened, when installing shield 3, the first nut 37 slides into sliding slot 36 and is placed in sliding slot 36
In, after bolt 35 passes through slot and tightens the second nut 38, third protective plate 34 is fixed on the bottom surface of Switch main body 1, such as
This can simplify structure design, can fasten Switch main body 1 itself using single bolt 35 and shield 3 is fixed on switch originally
On body 1.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (9)
1. a kind of transfer switch with safeguard function, which is characterized in that the switch including Switch main body (1) and manipulation
Knob (2), the Switch main body (1) are equipped at least two electrical power contacts terminal regions, and each electrical power contacts terminal region is set
There are multiple electrical power contacts terminals (12) for being used to connect power supply line, which further includes protective cover (3), the protection
Lid (3) is fixed on the Switch main body (1) and covers at least one described electrical power contacts terminal region, on the protective cover (3)
Equipped with the opening (31) stretched out for the power supply line.
2. a kind of transfer switch with safeguard function according to claim 1, which is characterized in that the protective cover
It (3) include the first protective plate (32), the second protective plate (33) and third protective plate (34), first protective plate (32), the
Two protective plates (33), third protective plate (34) are sequentially connected, and form the U-shaped protection lid of both-side opening.
3. a kind of transfer switch with safeguard function according to claim 2, which is characterized in that described first is anti-
Backplate (32) is equipped with and protrudes into the detection mouth (321) for detecting the electrical power contacts terminal (12) for detection device.
4. a kind of transfer switch with safeguard function according to claim 2, which is characterized in that described first is anti-
Backplate (32), the second protective plate (33) and third protective plate (34) are integrally formed.
5. a kind of transfer switch with safeguard function according to claim 2, which is characterized in that the switch is originally
Body (1) is cylinder, and second protective plate (33) is arc plate, first protective plate (32) and the third protective plate
It (34) is plate, the opening (31) of the two sides of the protective cover (3) is corresponding with the position of the Switch main body (1) side wall.
6. a kind of transfer switch with safeguard function according to claim 5, which is characterized in that described first is anti-
Backplate (32) is equipped with circular arc bayonet, and the side wall cooperation of the circular arc bayonet and the Switch main body (1) is caught in, the third protection
Plate (34) is fixed on the bottom surface of the Switch main body (1) by bolt (35).
7. a kind of transfer switch with safeguard function according to claim 6, which is characterized in that the third is anti-
Backplate (34) is equipped with sliding slot (36), and the bottom surface of the sliding slot (36) is equipped with slot, is equipped with the first nut in the sliding slot (36)
(37), the bottom of the third protective plate (34) is equipped with the second nut (38), passes through the slot and sliding slot using bolt (35)
(36) the first nut (37) cooperation in, and after tightening the second nut (38), the third protective plate (34) is fixed on described
On the bottom surface of Switch main body (1).
8. a kind of transfer switch with safeguard function according to claim 1, which is characterized in that the protective cover
(3) institute can be checked for personnel by being equipped with for protective cover made of transparent material or trnaslucent materials or the protective cover (3)
State the form of electrical power contacts terminal (12).
9. a kind of transfer switch with safeguard function according to claim 1, which is characterized in that the switch is originally
Body (1) includes again contact system and insulation shell (11), and wherein contact system is that insulation shell (11) are assembled in by several
Interior fixed contact pedestal and moving contact are constituted, and moving contact is attached in the shaft of switching knob (2), and being threaded to different location with shaft makes
Circuit is switched on or switched off, and fixed contact pedestal stretches out insulation shell (11) and forms electrical power contacts terminal (12) outside, for connecting power supply line,
Several electrical power contacts terminals (12) form an electrical power contacts terminal region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173801.2A CN108962661A (en) | 2018-10-09 | 2018-10-09 | A kind of transfer switch with safeguard function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173801.2A CN108962661A (en) | 2018-10-09 | 2018-10-09 | A kind of transfer switch with safeguard function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108962661A true CN108962661A (en) | 2018-12-07 |
Family
ID=64472934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811173801.2A Pending CN108962661A (en) | 2018-10-09 | 2018-10-09 | A kind of transfer switch with safeguard function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108962661A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718759Y (en) * | 2004-07-19 | 2005-08-17 | 包荣强 | Forward and backward variable speed switch |
| KR200400338Y1 (en) * | 2005-08-05 | 2005-11-04 | 성호제어기기 주식회사 | Cam switch assembly with protect cover |
| KR20090114867A (en) * | 2008-04-30 | 2009-11-04 | 이원재 | Cam switch of terminal protection cover |
| CN202711983U (en) * | 2012-05-21 | 2013-01-30 | 九川集团有限公司 | Power supply cut-off switch with transparent insulation protection cover |
| CN203277175U (en) * | 2013-04-28 | 2013-11-06 | 乐清市安川电气有限公司 | Universal change-over switch |
| JP2014044923A (en) * | 2012-08-29 | 2014-03-13 | Chugoku Electric Power Co Inc:The | Change-over switch |
| CN208706504U (en) * | 2018-10-09 | 2019-04-05 | 广东电网有限责任公司 | A kind of transfer switch with safeguard function |
-
2018
- 2018-10-09 CN CN201811173801.2A patent/CN108962661A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718759Y (en) * | 2004-07-19 | 2005-08-17 | 包荣强 | Forward and backward variable speed switch |
| KR200400338Y1 (en) * | 2005-08-05 | 2005-11-04 | 성호제어기기 주식회사 | Cam switch assembly with protect cover |
| KR20090114867A (en) * | 2008-04-30 | 2009-11-04 | 이원재 | Cam switch of terminal protection cover |
| CN202711983U (en) * | 2012-05-21 | 2013-01-30 | 九川集团有限公司 | Power supply cut-off switch with transparent insulation protection cover |
| JP2014044923A (en) * | 2012-08-29 | 2014-03-13 | Chugoku Electric Power Co Inc:The | Change-over switch |
| CN203277175U (en) * | 2013-04-28 | 2013-11-06 | 乐清市安川电气有限公司 | Universal change-over switch |
| CN208706504U (en) * | 2018-10-09 | 2019-04-05 | 广东电网有限责任公司 | A kind of transfer switch with safeguard function |
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