CN204537917U - A kind of automobile-used gearshift rotary switch - Google Patents
A kind of automobile-used gearshift rotary switch Download PDFInfo
- Publication number
- CN204537917U CN204537917U CN201520273493.6U CN201520273493U CN204537917U CN 204537917 U CN204537917 U CN 204537917U CN 201520273493 U CN201520273493 U CN 201520273493U CN 204537917 U CN204537917 U CN 204537917U
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- CN
- China
- Prior art keywords
- ejector pin
- moving contact
- gear
- block
- spin
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- Expired - Fee Related
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Abstract
The utility model proposes a kind of automobile-used gearshift rotary switch, comprise the first shell, knob assembly; The lower end of the first shell is provided with circuit board component, and circuit board component is provided with fixed contact; Be positioned in first shell on circuit board component and be provided with holder, holder upper end is connected with gear plate; Gear plate is corresponding with knob assembly to be arranged, and innovative point is: on holder, be connected with multiple elastic ejector pin moving contact device, the gear spin-block of knob assembly is provided with downward pressure head, the ejector pin relative set of described pressure head and elastic ejector pin moving contact device; When rotating knob assembly, the pressure head top on gear spin-block is pressed or is left the ejector pin of elastic ejector pin moving contact device, and the fixed contact on the moving contact of elastic ejector pin moving contact device and circuit board component is switched on or switched off.In the utility model, the connecting and disconnecting of moving contact, fixed contact are instantaneous realizations, and contact friction is little, and can improve useful life, useful life can reach 600,000 times.
Description
Technical field
The utility model relates to a kind of automobile-used gearshift rotary switch.
Background technology
Existing automobile-used gearshift rotary switch is generally the friction type contact and realizes break-make, namely rotary switch under responsive to axial force by between contact and contact one to one friction contact realize break-make performance, this type of rotary switch, contact wear is very fast, useful life is shorter, poor durability, can not meet long-life (more than 200,000 times) requirement.
Summary of the invention
To rub fast problem to solve existing automobile-used gearshift rotary switch contact, improving and using useful life, the utility model proposes a kind of automobile-used gearshift rotary switch.
For solving the problems of the technologies described above, this practicality by the following technical solutions: a kind of automobile-used gearshift rotary switch, comprises the first shell, knob assembly; Knob assembly comprises second housing, knob, gear spin-block, and knob and gear spin-block assembly connection are integrated, and are connected on second housing; Second housing is connected to above the first shell; The lower end of the first shell is provided with circuit board component, and circuit board component is provided with fixed contact; Be positioned in first shell on circuit board component and be provided with holder, holder upper end is connected with gear plate; Gear plate is corresponding with described gear spin-block to be arranged, and gear spin-block is provided with elastic steel ball device, and elastic steel ball device withstands on the slideway of gear plate;
It is characterized in that: on holder, be connected with multiple elastic ejector pin moving contact device, elastic ejector pin moving contact device comprises ejector pin, gear spring, adjustment spring, moving contact linking arm, moving contact, ejector pin lower end is through the pilot hole of moving contact linking arm, and ejector pin is also spacing by nut; Gear spring housing is contained on ejector pin cylindrical, and the upper end of gear spring is spacing by the step surface on ejector pin, and the lower end of gear spring withstands on the upper surface of moving contact linking arm; Ejector pin is provided with endoporus, and adjustment spring is placed in the endoporus of ejector pin, and the lower end of adjustment spring withstands on the upper surface of moving contact linking arm; Moving contact is fixed on moving contact linking arm;
Described gear spin-block is provided with downward pressure head, the ejector pin relative set of downward pressure head and elastic ejector pin moving contact device;
When rotating knob and driving the motion of gear spin-block, elastic steel ball device coordinates with gear plate and realizes gear switch, pressure head top simultaneously on gear spin-block is pressed or is left the ejector pin of elastic ejector pin moving contact device, and the fixed contact on moving contact and circuit board component is switched on or switched off.
Further restriction to technique scheme: described fixed contact and moving contact adopt silver-tin oxide or indium oxide material.
Beneficial effect: the utility model improves the gear spin-block structure of knob assembly, and be combined with elastic ejector pin moving contact device, realize moving up and down of moving contact, the connecting and disconnecting of moving contact, fixed contact are instantaneous realizations, contact friction is little, can improve useful life, useful life can reach 600,000 times; Described fixed contact and moving contact adopt silver-tin oxide or indium oxide material, have arc ablation resistance performance, improve the durability of use; The utility model has that structure is simple, the feature of dependable performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure chart of knob assembly in the utility model.
Fig. 3 is gear plate in the utility model, holder, elastic ejector pin moving contact device and circuit board component assembly structure figure.
Fig. 4 is the structure chart of the utility model Elastic ejector pin moving contact device.
Embodiment
Shown in composition graphs 1-Fig. 4, further describe the utility model as follows: a kind of automobile-used gearshift rotary switch, comprises the first shell 4, knob assembly; Knob assembly comprises second housing 2, knob 1, gear spin-block 3, and knob 1 and gear spin-block 3 assembly connection are integrated, and are connected on second housing 2; Second housing 2 is connected to above the first shell 4; The lower end of the first shell 4 is provided with circuit board component 9, and circuit board component 9 is provided with fixed contact 901; Be positioned in first shell 4 on circuit board component and be provided with holder 8, holder 8 upper end is connected with gear plate 6; Gear plate 6 is corresponding with gear spin-block 3 to be arranged, and gear spin-block is provided with elastic steel ball device 5, and elastic steel ball device 5 withstands on the slideway of gear plate 6;
Holder 8 is connected with multiple elastic ejector pin moving contact device 7, elastic ejector pin moving contact device 7 comprises ejector pin 701, gear spring 703, adjustment spring 702, moving contact linking arm 704, moving contact 705, under ejector pin, 701 ends are through the pilot hole of moving contact linking arm 704, and ejector pin 701 is also spacing by nut 706; Gear spring 703 is sleeved on ejector pin 701 cylindrical, and the upper end of gear spring 703 is spacing by the step surface on ejector pin 701, and the lower end of gear spring 703 withstands on the upper surface of moving contact linking arm 704; Ejector pin 701 is provided with endoporus, and adjustment spring 702 is placed in the endoporus of ejector pin 701, and the lower end of adjustment spring 702 withstands on the upper surface of moving contact linking arm 704; Moving contact 705 is fixed on moving contact linking arm;
Described fixed contact 901 and moving contact 705 adopt silver-tin oxide or indium oxide material, have arc ablation resistance performance, improve the durability of use;
Described gear spin-block 3 is provided with downward pressure head 301, downward pressure head 301 and ejector pin 701 relative set of elastic ejector pin moving contact device;
When rotating knob 1 and driving gear spin-block 3 to move, elastic steel ball device 5 coordinates with gear plate 6 and realizes gear switch, pressure head 301 simultaneously on gear spin-block pushes up pressure or leaves the ejector pin 701 of elastic ejector pin moving contact device, and moving contact 705 is switched on or switched off with the fixed contact 901 on circuit board component.
As shown in Figure 2, the structure of elastic steel ball device 5: be made up of spring 501, steel ball 502; Spring 501 is placed in the installing hole of gear spin-block 3, and steel ball 502 is positioned at spring 501 lower end.
Claims (2)
1. an automobile-used gearshift rotary switch, comprises the first shell, knob assembly; Knob assembly comprises second housing, knob, gear spin-block, and knob and gear spin-block assembly connection are integrated, and are connected on second housing; Second housing is connected to above the first shell; The lower end of the first shell is provided with circuit board component, and circuit board component is provided with fixed contact; Be positioned in first shell on circuit board component and be provided with holder, holder upper end is connected with gear plate; Gear plate is corresponding with described gear spin-block to be arranged, and gear spin-block is provided with elastic steel ball device, and elastic steel ball device withstands on the slideway of gear plate;
It is characterized in that: on holder, be connected with multiple elastic ejector pin moving contact device, elastic ejector pin moving contact device comprises ejector pin, gear spring, adjustment spring, moving contact linking arm, moving contact, ejector pin lower end is through the pilot hole of moving contact linking arm, and ejector pin is also spacing by nut; Gear spring housing is contained on ejector pin cylindrical, and the upper end of gear spring is spacing by the step surface on ejector pin, and the lower end of gear spring withstands on the upper surface of moving contact linking arm; Ejector pin is provided with endoporus, and adjustment spring is placed in the endoporus of ejector pin, and the lower end of adjustment spring withstands on the upper surface of moving contact linking arm; Moving contact is fixed on moving contact linking arm;
Described gear spin-block is provided with downward pressure head, the ejector pin relative set of downward pressure head and elastic ejector pin moving contact device;
When rotating knob and driving the motion of gear spin-block, elastic steel ball device coordinates with gear plate and realizes gear switch, pressure head top simultaneously on gear spin-block is pressed or is left the ejector pin of elastic ejector pin moving contact device, and the fixed contact on moving contact and circuit board component is switched on or switched off.
2. the automobile-used gearshift rotary switch of one according to claim 1, is characterized in that: described fixed contact and moving contact adopt silver-tin oxide or indium oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273493.6U CN204537917U (en) | 2015-04-30 | 2015-04-30 | A kind of automobile-used gearshift rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273493.6U CN204537917U (en) | 2015-04-30 | 2015-04-30 | A kind of automobile-used gearshift rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537917U true CN204537917U (en) | 2015-08-05 |
Family
ID=53751889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520273493.6U Expired - Fee Related CN204537917U (en) | 2015-04-30 | 2015-04-30 | A kind of automobile-used gearshift rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204537917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253481A (en) * | 2017-05-27 | 2017-10-17 | 北京新能源汽车股份有限公司 | Electronic gear shifting processing method and device and automobile |
| WO2019029448A1 (en) * | 2017-08-09 | 2019-02-14 | 北京新能源汽车股份有限公司 | Gearshift device and vehicle |
-
2015
- 2015-04-30 CN CN201520273493.6U patent/CN204537917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253481A (en) * | 2017-05-27 | 2017-10-17 | 北京新能源汽车股份有限公司 | Electronic gear shifting processing method and device and automobile |
| WO2019029448A1 (en) * | 2017-08-09 | 2019-02-14 | 北京新能源汽车股份有限公司 | Gearshift device and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |