CN106206131A - A kind of automobile-used gearshift rotary switch - Google Patents
A kind of automobile-used gearshift rotary switch Download PDFInfo
- Publication number
- CN106206131A CN106206131A CN201510215339.8A CN201510215339A CN106206131A CN 106206131 A CN106206131 A CN 106206131A CN 201510215339 A CN201510215339 A CN 201510215339A CN 106206131 A CN106206131 A CN 106206131A
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- China
- Prior art keywords
- ejector pin
- movable contact
- gear
- block
- circuit board
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Abstract
The present invention proposes a kind of automobile-used gearshift rotary switch, including 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 stationary contact；Being positioned on circuit board component in first shell and be provided with fixing seat, fixing seat upper end connects gear plate；Gear plate is correspondingly arranged with knob assembly, and innovative point is: connecting on fixing seat has multiple elastic ejector pin movable contact device, and the gear spin-block of knob assembly is provided with the ejector pin relative set of downward pressure head, described pressure head and elastic ejector pin movable contact device；When rotary knob assembly, the pressure head top on gear spin-block is pressed or leaves the ejector pin of elastic ejector pin movable contact device, makes the movable contact of elastic ejector pin movable contact device be switched on or switched off with the stationary contact on circuit board component.In the present invention, movable contact, the connecting and disconnecting of stationary contact are instantaneous realizations, and contact friction is little, it is possible to increase in service life, service life can reach 600,000 times.
Description
Technical field
The present invention relates to a kind of automobile-used gearshift rotary switch.
Background technology
Existing automobile-used gearshift rotary switch usually the friction type contact realizes break-make, i.e. 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, service life is shorter, poor durability, it is impossible to meet long-life (more than 200,000 times) requirement.
Summary of the invention
The problem fast in order to solve the friction of existing automobile-used gearshift rotary switch contact, improves and uses service life, and the present invention proposes a kind of automobile-used gearshift rotary switch.
For solve above-mentioned technical problem, this practicality by the following technical solutions: a kind of automobile-used gearshift rotary switch, including the first shell, knob assembly；Knob assembly includes that second housing, knob, gear spin-block, knob are integrated with gear spin-block assembly connection, 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 stationary contact；Being positioned on circuit board component in first shell and be provided with fixing seat, fixing seat upper end connects gear plate；Gear plate is correspondingly arranged with described gear spin-block, 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: connecting on fixing seat has multiple elastic ejector pin movable contact device, elastic ejector pin movable contact device includes ejector pin, gear spring, adjusts spring, movable contact linking arm, movable contact, ejector pin lower end is through the pilot hole of movable contact linking arm, and ejector pin is the most 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 movable contact linking arm；Ejector pin is provided with endoporus, adjusts spring and is placed in the endoporus of ejector pin, and the lower end adjusting spring withstands on the upper surface of movable contact linking arm；Movable contact is fixed on movable contact linking arm；
Described gear spin-block is provided with the ejector pin relative set of downward pressure head, downward pressure head and elastic ejector pin movable contact device；
When rotary knob drives the motion of gear spin-block, elastic steel ball device coordinates with gear plate and realizes gear switch, pressure head top on gear spin-block is pressed or leaves the ejector pin of elastic ejector pin movable contact device simultaneously, makes movable contact be switched on or switched off with the stationary contact on circuit board component.
Technique scheme is further defined that, and described stationary contact and movable contact use silver-tin oxide or indium oxide material.
Beneficial effect: the present invention improves the gear spin-block structure of knob assembly, and is combined with elastic ejector pin movable contact device, it is achieved the up and down motion of movable contact, movable contact, the connecting and disconnecting of stationary contact are instantaneous realizations, contact friction is little, it is possible to increase in service life, service life can reach 600,000 times；Described stationary contact and movable contact use silver-tin oxide or indium oxide material, have arc ablation resistance performance, improve the durability of use；The present invention has the feature of simple in construction, dependable performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure chart of knob assembly in the present invention.
Fig. 3 is gear plate in the present invention, fixing seat, elastic ejector pin movable contact device and circuit board component assembly structure figure.
Fig. 4 is the structure chart of Elastic ejector pin movable contact device of the present invention.
Detailed description of the invention
Shown in Fig. 1-Fig. 4, further describe the present invention as follows: a kind of automobile-used gearshift rotary switch, including the first shell 4, knob assembly；Knob assembly includes that second housing 2, knob 1, gear spin-block 3, knob 1 are integrated with gear spin-block 3 assembly connection, 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 stationary contact 901；Being positioned on circuit board component in first shell 4 and be provided with fixing seat 8, fixing seat 8 upper end connects gear plate 6；Gear plate 6 is correspondingly arranged with gear spin-block 3, 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；
Fixing seat 8 connects and has multiple elastic ejector pin movable contact device 7, elastic ejector pin movable contact device 7 includes ejector pin 701, gear spring 703, adjusts spring 702, movable contact linking arm 704, movable contact 705, under ejector pin, 701 ends are through the pilot hole of movable contact linking arm 704, and ejector pin 701 is the most 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 movable contact linking arm 704；Ejector pin 701 is provided with endoporus, adjusts spring 702 and is placed in the endoporus of ejector pin 701, and the lower end adjusting spring 702 withstands on the upper surface of movable contact linking arm 704；Movable contact 705 is fixed on movable contact linking arm；
Described stationary contact 901 and movable contact 705 use 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 movable contact device；
When rotary knob 1 drives gear spin-block 3 to move, elastic steel ball device 5 coordinates with gear plate 6 and realizes gear switch, pressure head 301 on gear spin-block top is pressed or leaves the ejector pin 701 of elastic ejector pin movable contact device simultaneously, makes movable contact 705 be switched on or switched off with the stationary contact 901 on circuit board component.
As in figure 2 it is shown, the structure of elastic steel ball device 5: it is 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, including the first shell, knob assembly；Knob assembly includes that second housing, knob, gear spin-block, knob are integrated with gear spin-block assembly connection, 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 stationary contact；Being positioned on circuit board component in first shell and be provided with fixing seat, fixing seat upper end connects gear plate；Gear plate is correspondingly arranged with described gear spin-block, 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:
Connecting on fixing seat and have multiple elastic ejector pin movable contact device, elastic ejector pin movable contact device includes ejector pin, gear spring, adjusts spring, movable contact linking arm, movable contact, and ejector pin lower end is through the pilot hole of movable contact linking arm, and ejector pin is the most 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 movable contact linking arm；Ejector pin is provided with endoporus, adjusts spring and is placed in the endoporus of ejector pin, and the lower end adjusting spring withstands on the upper surface of movable contact linking arm；Movable contact is fixed on movable contact linking arm；
Described gear spin-block is provided with the ejector pin relative set of downward pressure head, downward pressure head and elastic ejector pin movable contact device；
When rotary knob drives the motion of gear spin-block, elastic steel ball device coordinates with gear plate and realizes gear switch, pressure head top on gear spin-block is pressed or leaves the ejector pin of elastic ejector pin movable contact device simultaneously, makes movable contact be switched on or switched off with the stationary contact on circuit board component.
One the most according to claim 1 automobile-used gearshift rotary switch, it is characterised in that: described stationary contact and movable contact use silver-tin oxide or indium oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215339.8A CN106206131A (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 |
|---|---|---|---|
| CN201510215339.8A CN106206131A (en) | 2015-04-30 | 2015-04-30 | A kind of automobile-used gearshift rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106206131A true CN106206131A (en) | 2016-12-07 |
Family
ID=57457711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510215339.8A Pending CN106206131A (en) | 2015-04-30 | 2015-04-30 | A kind of automobile-used gearshift rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106206131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201510215339.8A patent/CN106206131A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |