CN215896229U - Rotary isolating switch - Google Patents
Rotary isolating switch Download PDFInfo
- Publication number
- CN215896229U CN215896229U CN202122186090.6U CN202122186090U CN215896229U CN 215896229 U CN215896229 U CN 215896229U CN 202122186090 U CN202122186090 U CN 202122186090U CN 215896229 U CN215896229 U CN 215896229U
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- shell
- rod
- rotating shaft
- isolating switch
- locking
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Abstract
The utility model relates to a rotary isolating switch which comprises a shell, wherein an installation cavity is arranged in the shell, the installation cavity is rotatably connected with an insulating rotating shaft, one end of the insulating rotating shaft is sleeved with a torsion spring, a rotary table is axially fixed on the insulating rotating shaft, two groups of connecting rods are symmetrically arranged on the rotary table, one end of each connecting rod is rotatably connected with a linkage rod, one end of each linkage rod is rotatably connected with a push plate, one side of each push plate is fixedly provided with a movable contact rod, the side wall of the shell is provided with a static contact piece, the front end surface of the rotary table is provided with a plurality of locking holes, the front end surface of the shell is slidably connected with a locking rod, one end of each locking rod penetrates through the shell and is inserted into one locking hole, and one end of the insulating rotating shaft, which is positioned outside the shell, is axially fixed with a rotary handle. Torsional spring, carousel and gangbar's design, extract in locking lever auto-lock locating hole, under the effect of torsional spring, make movable contact rod and static contact laminating, when needs disconnect-switch, rotate insulating pivot, movable contact rod and static contact separation, this design easy operation, the security is high.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to a rotary isolating switch.
Background
The isolating switch is an indispensable common electrical device in an electric power system, can play a role in isolating a power supply and switching operation, and can meet the requirements on good physical property, mechanical property and electrical contact property, particularly the contact pressure of a contact when the isolating switch is closed.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, an object of the present invention is to provide a rotary isolating switch to solve the technical problems mentioned in the background art.
In order to solve the above problems, the present invention adopts the following technical solutions.
A rotary isolating switch comprises a shell, wherein a mounting cavity is arranged in the shell, the mounting cavity is rotatably connected with an insulating rotating shaft, one end of the insulating rotating shaft is sleeved with a torsional spring, one end of the torsional spring is fixedly arranged on the insulating rotating shaft, the other end of the torsional spring is fixedly arranged in the mounting cavity, a turntable is axially fixedly arranged on the insulating rotating shaft, two groups of connecting rods are symmetrically arranged on the turntable along the radius direction of the turntable, one end of each connecting rod is rotatably connected with a linkage rod, one end of each linkage rod is rotatably connected with a push plate, one side of each push plate is fixedly provided with a movable contact rod, the two groups of movable contact rods are electrically connected, the upper part and the lower part of the mounting cavity are fixedly provided with limiting blocks, limiting through holes are formed in the limiting blocks, the movable contact rods are slidably connected with the limiting through holes, the push plates are provided with limiting rods which are slidably connected with the limiting blocks, a static contact piece is arranged on the side wall of the shell, and one end of the limiting through holes extends to one side of the static contact piece, the front end face of the turntable is provided with a plurality of locking holes, the front end face of the shell is connected with a locking rod in a sliding mode, one end of the locking rod penetrates through the shell to be inserted into one locking hole, the outer side of the locking rod is sleeved with a spring, one end of the spring is fixed to the locking rod, the other end of the spring is fixed to the installation cavity, the other end of the insulating rotating shaft penetrates through the shell, and a rotating handle is axially fixed to one end, located on the outer side of the shell, of the insulating rotating shaft.
Preferably, the lateral wall of shell is provided with the access hole, the access hole with the installation cavity intercommunication, bolted connection has the access cover on the access hole.
In any of the above aspects, preferably, the access cover is provided with a buckle.
In any of the above aspects, preferably, a base is provided on the rear side wall of the housing.
In any of the above schemes, preferably, the four corners of the base are respectively provided with a connecting through hole.
In any of the above schemes, preferably, a switch indicator light is arranged on the rotating handle, and the switch indicator light is electrically connected with the movable contact rod.
In any one of the above aspects, a transparent protective cover is preferably provided outside the switch indicator lamp.
In any one of the above aspects, preferably, the other end of the locking lever is provided with a pull ring.
In any of the above aspects, preferably, the pull ring is screwed with the locking lever.
In any of the above aspects, preferably, the rotating handle is provided with a friction protrusion.
Compared with the prior art, the utility model has the advantages that:
according to the design of the torsion spring, the rotary disc and the linkage rod, when the locking rod is pulled out of the locking hole, the insulation rotating shaft and the rotary disc drive the linkage rod, the push plate and the movable contact rod under the action of the torsion spring to enable the movable contact rod to be tightly attached to the static contact piece, when the switch needs to be disconnected, the insulation rotating shaft is rotated, and when the locking rod is inserted into the locking hole, the movable contact rod is separated from the static contact piece to achieve the disconnection of the switch.
Drawings
Fig. 1 is a schematic view of the overall structure of a rotary isolating switch according to the present invention;
fig. 2 is a schematic cross-sectional view of fig. 1.
The reference numbers in the figures illustrate:
1. a housing; 2. a mounting cavity; 3. an insulating rotating shaft; 4. a torsion spring; 5. a turntable; 6. a connecting rod; 7. a linkage rod; 8. pushing the plate; 9. a movable contact rod; 10. a limiting block; 11. a limiting through hole; 12. a limiting rod; 13. a static contact piece; 14. a locking hole; 15. a locking lever; 16. a spring; 17. rotating the handle; 18. an access hole; 19. an access cover; 20. buckling a handle; 21. a base; 22. a connecting through hole; 23. switching on and off an indicator light; 24. transparent protective cover 25, pull ring 26, friction bump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example (b):
referring to fig. 1 to 2, a rotary isolating switch comprises a housing 1, a mounting cavity 2 is arranged in the housing 1, the mounting cavity 2 is rotatably connected with an insulating rotating shaft 3, one end of the insulating rotating shaft 3 is sleeved with a torsion spring 4, one end of the torsion spring 4 is fixedly arranged on the insulating rotating shaft 3, the other end of the torsion spring 4 is fixedly arranged in the mounting cavity 2, a turntable 5 is axially fixed on the insulating rotating shaft 3, two groups of connecting rods 6 are symmetrically arranged on the turntable 5 along the radius direction of the turntable 5, one end of each connecting rod 6 is rotatably connected with a linkage rod 7, one end of each linkage rod 7 is rotatably connected with a push plate 8, one side of each push plate 8 is fixedly provided with a movable contact rod 9, the two groups of movable contact rods 9 are electrically connected, a limiting block 10 is fixed on the upper part and the lower part of the mounting cavity 2, a limiting through hole 11 is arranged in each limiting block 10, the movable contact rod 9 is slidably connected with the limiting through hole 11, a limiting rod 12 is arranged on each push plate 8, and the limiting rod 12 is slidably connected with the limiting block 10, be provided with static contact 13 on the lateral wall of shell 1, the one end of spacing through-hole 11 extends to one side of static contact 13, be provided with a plurality of locking holes 14 on the preceding terminal surface of carousel 5, the preceding terminal surface sliding connection of shell 1 has locking lever 15, the one end of locking lever 15 is passed shell 1 and is pegged graft in one of them locking hole 14, spring 16 has been cup jointed in locking lever 15's the outside, spring 16's one end is fixed on locking lever 15, spring 16's the other end is fixed on installation cavity 2, shell 1 is passed to the other end of insulating pivot 3, and the one end axial fixity that insulating pivot 3 is located the shell 1 outside has twist grip 17.
In the embodiment, an access opening 18 is formed in the side wall of the housing 1, the access opening 18 is communicated with the installation cavity 2, and an access cover 19 is connected to the access opening 18 through bolts; the access cover 19 is provided with a buckle handle 20. Parts in the installation cavity 2 can be conveniently overhauled.
In the present embodiment, a base 21 is disposed on the rear side wall of the housing 1; the four corners of the base 21 are respectively provided with a connecting through hole 22. The design of the base 21 facilitates the installation of the device.
In this embodiment, the rotating handle 17 is provided with a switch indicator lamp 23, and the switch indicator lamp 23 is electrically connected with the movable contact rod 9; and a transparent protective cover 24 is arranged on the outer side of the switch indicator lamp 23. The switch indicator lamp 23 is designed to realize the state of the switch.
In the present embodiment, the other end of the locking lever 15 is provided with a pull ring 25; the pull ring 25 is screwed to the locking lever 15. The pull ring 25 is designed to facilitate manipulation of the locking lever 15.
In this embodiment, the rotary handle 17 is provided with a friction projection 26. The friction protrusion 26 is designed to increase the friction between the rotary handle 17 and the palm of the operator's hand.
The working process of the utility model is as follows:
an operator can install the switch at a proper position through the base 21, then the static contact piece 13 on the switch is connected to the circuit, when the circuit needs to be switched on, the locking rod 15 can be pulled through the operation, the insulating rotating shaft 3 rotates under the action of the torsion spring 4, the rotary disc 5 and the connecting rod 6 rotate along with the insulating rotating shaft 3, so that the linkage rod 7 and the push plate 8 are driven to move, the movable contact rod 9 is tightly attached to the static contact piece 13 through the push plate 8, the circuit is switched on, when the switch needs to be switched off, the insulating rotating shaft 3 can be rotated through the operation, the movable contact rod 9 is separated from the static contact piece 13, and meanwhile, the locking rod 15 is plugged in one of the locking holes 14. Torsion spring 4, carousel 5 and the design of gangbar 7, extract in locking lever 15 is from locking hole 14, insulating pivot 3 and carousel 5 drive gangbar 7, push pedal 8 and movable contact rod 9 under torsion spring 4's effect, make movable contact rod 9 and static contact 13 closely laminate, when needs disconnect-switch, rotate insulating pivot 3, when locking lever 15 pegs graft in locking hole 14, movable contact rod 9 and static contact 13 separation realize the switch disconnection, this design easy operation, the security is high.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A rotary isolating switch, comprising a housing, characterized in that: the device is characterized in that an installation cavity is arranged in the shell, the installation cavity is rotationally connected with an insulating rotating shaft, one end of the insulating rotating shaft is sleeved with a torsional spring, one end of the torsional spring is fixedly fixed on the insulating rotating shaft, the other end of the torsional spring is fixed in the installation cavity, a turntable is axially fixed on the insulating rotating shaft, two groups of connecting rods are symmetrically arranged on the turntable along the radius direction of the turntable, one end of each connecting rod is rotationally connected with a linkage rod, one end of each linkage rod is rotationally connected with a push plate, one side of each push plate is fixedly provided with a movable contact rod, the two groups of movable contact rods are electrically connected, the upper part and the lower part of the installation cavity are fixedly provided with limiting blocks, limiting through holes are arranged in the limiting blocks, the movable contact rods are slidably connected with the limiting through holes, the limiting rods are slidably connected with the limiting blocks, a static contact plate is arranged on the side wall of the shell, one end of each limiting through hole extends to one side of the static contact plate, and a plurality of locking holes are arranged on the front end face of the turntable, the front end face of the shell is connected with a locking rod in a sliding mode, one end of the locking rod penetrates through the shell and is inserted into one locking hole, the outer side of the locking rod is sleeved with a spring, one end of the spring is fixed to the locking rod, the other end of the spring is fixed to the installation cavity, the other end of the insulating rotating shaft penetrates through the shell, and a rotating handle is axially fixed to one end, located on the outer side of the shell, of the insulating rotating shaft.
2. A rotary isolating switch according to claim 1, characterized in that: be provided with the access hole on the lateral wall of shell, the access hole with the installation cavity intercommunication, bolted connection has the access cover on the access hole.
3. A rotary isolating switch according to claim 2, characterized in that: the maintenance cover is provided with a buckle.
4. A rotary isolating switch according to claim 1, characterized in that: and a base is arranged on the rear side wall of the shell.
5. A rotary isolating switch according to claim 4, characterized in that: and the four corners of the base are respectively provided with a connecting through hole.
6. A rotary isolating switch according to claim 1, characterized in that: and a switch indicator lamp is arranged on the rotating handle and is electrically connected with the movable contact rod.
7. A rotary isolating switch according to claim 6, characterized in that: and a transparent protective cover is arranged on the outer side of the switch indicator lamp.
8. A rotary isolating switch according to claim 1, characterized in that: and the other end of the locking rod is provided with a pull ring.
9. A rotary isolating switch according to claim 8, characterized in that: the pull ring is in threaded connection with the locking rod.
10. A rotary isolating switch according to claim 1, characterized in that: the rotating handle is provided with a friction bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186090.6U CN215896229U (en) | 2021-09-09 | 2021-09-09 | Rotary isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186090.6U CN215896229U (en) | 2021-09-09 | 2021-09-09 | Rotary isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896229U true CN215896229U (en) | 2022-02-22 |
Family
ID=80336660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122186090.6U Active CN215896229U (en) | 2021-09-09 | 2021-09-09 | Rotary isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215896229U (en) |
-
2021
- 2021-09-09 CN CN202122186090.6U patent/CN215896229U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |