CN219738821U - Single-pole double-throw change-over switch - Google Patents
Single-pole double-throw change-over switch Download PDFInfo
- Publication number
- CN219738821U CN219738821U CN202321076209.7U CN202321076209U CN219738821U CN 219738821 U CN219738821 U CN 219738821U CN 202321076209 U CN202321076209 U CN 202321076209U CN 219738821 U CN219738821 U CN 219738821U
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- CN
- China
- Prior art keywords
- fixedly connected
- shell
- connecting rod
- pole double
- single pole
- 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.)
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Links
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses a single-pole double-throw change-over switch which comprises a shell, wherein one end of the shell is fixedly connected with a second binding post, one end of the shell, which is far away from the second binding post, is fixedly connected with a pair of first binding posts, one side of the shell is connected with a square shaft in a penetrating and rotating manner, one end of the square shaft, which is far away from the shell, is fixedly connected with a knob, one end of the square shaft, which is far away from the knob, is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the square shaft, is provided with a groove, and a pair of idler wheels are connected in a sliding manner in the groove. According to the utility model, the roller replaces the friction movement between the connecting rod and the rotating shaft, so that the loss of the connecting rod and the rotating shaft is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the field of transfer switches, in particular to a single-pole double-throw transfer switch.
Background
The change-over switch is also called a combined switch, is operated in a plane which rotates left and right, is different from a knife switch, has the advantages of multiple contacts, multiple positions, small volume, reliable performance, convenient operation, flexible installation and the like, is mainly used as an introduction switch of a power supply in an electric control circuit of a machine tool, plays a role of isolating the power supply, and can also be used as a control switch for directly controlling an asynchronous motor with small capacity to be started and stopped infrequently, and the Chinese utility model publication No. CN2667638Y discloses a change-over switch.
Disclosure of Invention
The utility model aims to solve the technical problems that friction exists between a rotating shaft and a connecting rod of the conventional change-over switch, abrasion is easy to cause after long-time use, a conducting strip cannot be jacked up by the connecting rod, and a circuit cannot be disconnected.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a single-pole double-throw change-over switch, which comprises a housing, the one end fixedly connected with second terminal of shell, the one end fixedly connected with a pair of first terminal of second terminal is kept away from to the shell, one side of shell runs through and rotates and be connected with square axle, the one end fixedly connected with knob of shell is kept away from to square axle, the one end fixedly connected with pivot of knob is kept away from to square axle, the recess has been seted up to the one end of square axle is kept away from to the pivot, sliding connection has a pair of gyro wheel in the recess.
Through the technical scheme, the abrasion between the connecting rod and the rotating shaft can be reduced, and the service life is prolonged.
The utility model is further characterized in that a square groove is formed in the knob, a square shaft is fixedly connected in the square groove in a penetrating mode, and the shell is made of plastics.
The utility model is further characterized in that the roller is rotatably connected with a connecting rod, a sliding rail is fixedly connected in the shell, the connecting rod is in sliding fit with the sliding rail, the connecting rod is fixedly connected with a conductive sheet, and both sides of the conductive sheet are fixedly connected with movable contacts.
Through the technical scheme, the opening and closing of the circuit can be controlled by controlling the position of the connecting rod.
The utility model is further characterized in that a spring is sleeved at one end of the connecting rod, which is far away from the rotating shaft, a fixed frame is fixedly connected to one end of the spring, which is far away from the connecting rod, the fixed frame is fixedly connected with the shell, the conducting strip is made of metal copper, and the movable contact is made of metal silver.
Through the technical scheme, the conducting strip has better conducting effect and avoids the phenomenon of virtual touch.
The utility model is further characterized in that a live wire conducting plate is fixedly connected in the shell, one end of the live wire conducting plate is fixedly connected with the second binding post, one end of the live wire conducting plate, which is far away from the second binding post, is fixedly connected with a first stationary contact, the live wire conducting plate is made of metal copper, and the first stationary contact is made of metal silver.
Through the technical scheme, the fire wire can be divided into two circuits, so that the knob can realize single-pole double-throw.
The utility model is further characterized in that a pair of conducting rods are fixedly connected in the shell, one end of each conducting rod is fixedly connected with the first binding post, one end of each conducting rod, far away from the first binding post, is fixedly connected with a second static contact, each conducting rod is made of metal copper, and each second static contact is made of metal silver.
Through the technical scheme, the conductive efficiency of the conductive rod can be higher.
The utility model is further characterized in that the fixing frame is made of rubber, and the connecting rod is made of insulating plastic.
The utility model is further arranged that the rotating shaft is made of insulating plastic, and one side of the groove is arranged in a concave mode.
The beneficial effects of the utility model are as follows:
according to the utility model, the rotating shaft is arranged in the shell, the groove is formed in the rotating shaft, the roller is arranged on the connecting rod, the traditional friction arrangement between the rotating shaft and the connecting rod is converted into the running fit between the roller and the groove through the roller, so that the friction force is greatly reduced, and the abrasion between the connecting rod and the rotating shaft is avoided, so that the use is influenced.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is an internal block diagram of the present utility model;
fig. 3 is a perspective view of a knob according to the present utility model.
In the figure: 1. a housing; 2. a first terminal; 3. a second binding post; 4. a live wire conducting plate; 5. a rotating shaft; 6. a square shaft; 7. a knob; 8. a square groove; 9. a groove; 10. a roller; 11. a connecting rod; 12. a spring; 13. a fixed frame; 14. a conductive sheet; 15. a movable contact; 16. a slide rail; 17. a first stationary contact; 18. a second stationary contact; 19. conductive rods.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, 2 and 3, a single-pole double-throw change-over switch includes a housing 1, one end fixedly connected with second terminal 3 of housing 1, one end fixedly connected with a pair of first terminal 2 of second terminal 3 is kept away from to housing 1, one side of housing 1 runs through and rotates and be connected with square axle 6, one end fixedly connected with knob 7 is kept away from to square axle 6, one end fixedly connected with pivot 5 is kept away from to knob 7 to square axle 6, recess 9 has been seted up to the one end that square axle 6 was kept away from to pivot 5, sliding connection has a pair of gyro wheel 10 in recess 9, rotate on gyro wheel 10 and be connected with connecting rod 11, fixedly connected with slide rail 16 in the housing 1, connecting rod 11 and slide rail 16 sliding fit each other, fixedly connected with conducting strip 14 on the connecting rod 11, both sides of conducting strip 14 are all fixedly connected with contact 15.
The shell 1 is internally fixedly connected with a live wire conducting plate 4, one end of the live wire conducting plate 4 is fixedly connected with a second binding post 3, one end of the live wire conducting plate 4, far away from the second binding post 3, is fixedly connected with a first fixed contact 17, the live wire conducting plate 4 is made of metal copper, the first fixed contact 17 is made of metal silver, the fixed frame 13 is made of rubber, and the connecting rod 11 is made of insulating plastic.
Square grooves 8 are formed in the knobs 7, square shafts 6 are fixedly connected in the square grooves 8 in a penetrating mode, the housing 1 is made of plastics, one end, far away from the rotating shaft 5, of the connecting rod 11 is sleeved with springs 12, one end, far away from the connecting rod 11, of each spring 12 is fixedly connected with a fixing frame 13, each fixing frame 13 is fixedly connected with the housing 1, each conducting strip 14 is made of metal copper, each movable contact 15 is made of metal silver, a pair of conducting rods 19 are fixedly connected in the housing 1, one end of each conducting rod 19 is fixedly connected with the first binding post 2, one end, far away from the first binding post 2, of each conducting rod 19 is fixedly connected with a second fixed contact 18, each conducting rod 19 is made of metal copper, each second fixed contact 18 is made of metal silver, each rotating shaft 5 is made of insulating plastics, and one side of each groove 9 is concave.
When the utility model is used, the live wire is connected to the second binding post 3, at the moment, the knob 7 is rotated, the rotating shaft 5 is driven to rotate through the square shaft 6, the groove 9 on the rotating shaft 5 rotates, the groove 9 drives the connecting rod 11 to move along the sliding rail 16 through the roller 10, when the concave part on the groove 9 rotates to the connecting rod 11, the connecting rod 11 moves along the sliding rail 16 under the pushing of the spring 12, so that the conducting plate 14 on the connecting rod 11 is close to the conducting rod 19, and the live wire conducting plate 4 is connected with the conducting rod 19 through the movable contact 15.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a single pole double throw change over switch, includes shell (1), its characterized in that: one end fixedly connected with second terminal (3) of shell (1), one end fixedly connected with a pair of first terminal (2) of second terminal (3) are kept away from to shell (1), one side of shell (1) runs through rotation and is connected with square axle (6), one end fixedly connected with knob (7) of shell (1) are kept away from to square axle (6), one end fixedly connected with pivot (5) of knob (7) are kept away from to square axle (6), recess (9) have been seted up to one end that square axle (6) were kept away from to pivot (5), sliding connection has a pair of gyro wheel (10) in recess (9).
2. A single pole double throw transfer switch as claimed in claim 1 wherein: square grooves (8) are formed in the knob (7), square shafts (6) penetrate through and fixedly connected with the square grooves (8), and the shell (1) is made of plastics.
3. A single pole double throw transfer switch as claimed in claim 1 wherein: the roller (10) is rotationally connected with a connecting rod (11), a sliding rail (16) is fixedly connected in the shell (1), the connecting rod (11) and the sliding rail (16) are in sliding fit with each other, a conducting strip (14) is fixedly connected on the connecting rod (11), and movable contacts (15) are fixedly connected on two sides of the conducting strip (14).
4. A single pole double throw transfer switch as claimed in claim 3 wherein: one end cover that pivot (5) were kept away from to connecting rod (11) is equipped with spring (12), one end fixedly connected with fixed frame (13) that connecting rod (11) were kept away from to spring (12), fixed frame (13) and shell (1) fixed connection, conducting strip (14) are made by metallic copper, movable contact (15) are made by metallic silver.
5. A single pole double throw transfer switch as claimed in claim 1 wherein: the live wire conducting plate (4) is fixedly connected in the shell (1), one end of the live wire conducting plate (4) is fixedly connected with the second binding post (3), one end of the live wire conducting plate (4) away from the second binding post (3) is fixedly connected with the first stationary contact (17), the live wire conducting plate (4) is made of metal copper, and the first stationary contact (17) is made of metal silver.
6. A single pole double throw transfer switch as claimed in claim 1 wherein: a pair of conducting rods (19) are fixedly connected in the shell (1), one end of each conducting rod (19) is fixedly connected with the corresponding first binding post (2), one end, far away from the corresponding first binding post (2), of each conducting rod (19) is fixedly connected with a second fixed contact (18), each conducting rod (19) is made of metal copper, and each second fixed contact (18) is made of metal silver.
7. The single pole double throw transfer switch of claim 4 wherein: the fixing frame (13) is made of rubber, and the connecting rod (11) is made of insulating plastic.
8. A single pole double throw transfer switch as claimed in claim 1 wherein: the rotating shaft (5) is made of insulating plastic, and one side of the groove (9) is arranged in a concave mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321076209.7U CN219738821U (en) | 2023-05-08 | 2023-05-08 | Single-pole double-throw change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321076209.7U CN219738821U (en) | 2023-05-08 | 2023-05-08 | Single-pole double-throw change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219738821U true CN219738821U (en) | 2023-09-22 |
Family
ID=88059556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321076209.7U Active CN219738821U (en) | 2023-05-08 | 2023-05-08 | Single-pole double-throw change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219738821U (en) |
-
2023
- 2023-05-08 CN CN202321076209.7U patent/CN219738821U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |