CN216120008U - Brake crank power-off switch - Google Patents
Brake crank power-off switch Download PDFInfo
- Publication number
- CN216120008U CN216120008U CN202122792417.4U CN202122792417U CN216120008U CN 216120008 U CN216120008 U CN 216120008U CN 202122792417 U CN202122792417 U CN 202122792417U CN 216120008 U CN216120008 U CN 216120008U
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- button
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- movable contact
- panel
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Abstract
The utility model relates to a brake crank power-off switch which comprises a shell, a panel arranged on the shell, a button assembly and a contact assembly, wherein the button assembly comprises a button movably arranged on the panel, a supporting seat arranged in the shell and a spring arranged between the supporting seat and the button, the contact assembly comprises a fixed contact arranged in the shell, a movable contact arranged in the shell and contacted with the fixed contact, and a reset spring arranged between the shell and the movable contact, a driving block matched with the movable contact is arranged on the button, a driving inclined surface is arranged on one side of the driving block, a bearing inclined surface matched with the driving inclined surface is arranged on the movable contact, the driving inclined surface acts along with the button and can be abutted against the bearing inclined surface, and linkage matching of the button and the movable contact is formed. The utility model has the advantages of simple structure, stable and reliable performance, good waterproof performance and convenient assembly.
Description
Technical Field
The utility model relates to the technical field of electric bicycles, in particular to a brake crank power-off switch.
Background
With the enhancement of environmental awareness, electric vehicles have become one of the important transportation means of office workers today. The outage brake lever of electric motor car is the important part of guaranteeing electric motor car safety of riding, and the effect of outage brake lever makes its inside outage switch action through nipping the brake lever, realizes the outage of motor. The existing brake crank power-off switch has the defects of unreasonable structural design, unreliable transmission between a button and a moving contact, unreliable connection or disconnection of the brake crank power-off switch, complex structure, unreliable performance, poor waterproof performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the brake crank power-off switch which is simple in structure, stable and reliable in performance, good in waterproof performance and convenient and fast to assemble.
In order to achieve the purpose, the utility model adopts a brake lever power-off switch which comprises a shell, a panel arranged on the shell, a button assembly and a contact assembly, wherein the button assembly comprises a button movably arranged on the panel, a supporting seat arranged in the shell and a spring arranged between the supporting seat and the button, the contact assembly comprises a fixed contact arranged in the shell, a movable contact arranged in the shell and contacted with the fixed contact, and a reset spring arranged between the shell and the movable contact, a driving block matched with the movable contact is arranged on the button, a driving inclined surface is arranged on one side of the driving block, a bearing inclined surface matched with the driving inclined surface is arranged on the movable contact, the driving inclined surface acts along with the button and can be abutted against the bearing inclined surface, and the linkage matching of the button and the movable contact is formed.
The beneficial effect of above-mentioned structure is: be provided with on the button with moving contact matched with drive block, drive inclined plane on the drive block can contradict on the load inclined plane on the moving contact to can guarantee that the button can reliably drive the moving contact, and be provided with reset spring between moving contact and the casing, thereby can guarantee that the moving contact can reset rapidly, the action is more sensitive, thereby this brake lever power off switch has simple structure, the stable performance is reliable, waterproof performance is good, the convenient advantage of assembly.
Particularly, the movable contact is provided with a conducting rod, the static contact is provided with an arc-shaped contact groove matched with the conducting rod, and the conducting rod moves along with the movable contact and can be clamped in the arc-shaped contact groove to form electric connection between the movable contact and the static contact. The movable contact is provided with the conducting rod matched with the static contact, so that the movable contact and the static contact can be reliably connected or disconnected, and the working reliability of the brake crank power-off switch can be improved.
Particularly, the button is wrapped with a waterproof sheath, one end of the waterproof sheath extends into the panel and forms sealing fit of the waterproof sheath, the button and the panel. Be provided with waterproof sheath on the button, can avoid the rainwater to enter into in the panel along the button to be favorable to improving this brake crank power off switch's waterproof performance.
Particularly, the shell is provided with a locking sleeve for locking the conducting wire, and the locking sleeve is provided with a locking hole for the conducting wire to pass through. The locking sleeve can lock the conducting wire, and when the conducting wire is under tension, the conducting wire cannot be loosened from the static contact, so that the safety performance of the brake crank power-off switch can be improved.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is an exploded view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the utility model is a brake lever power-off switch, including a housing 10, a panel 11 disposed on the housing 10, a button assembly 20, and a contact assembly 30, where the button assembly 20 includes a button 21 movably disposed on the panel 11, a support 22 disposed in the housing 10, and a spring 23 disposed between the support 22 and the button 21, the contact assembly 30 includes a fixed contact 31 disposed in the housing 10, a movable contact 32 disposed in the housing 10 and contacting with the fixed contact 31, and a return spring 33 disposed between the housing 10 and the movable contact 32, the button 21 is provided with a driving block 211 cooperating with the movable contact 32, one side of the driving block 211 is provided with a driving inclined surface 212, the movable contact 32 is provided with a bearing inclined surface 321 cooperating with the driving inclined surface 212, the driving inclined surface 212 acts with the button 21 and can abut against the bearing inclined surface 321, and constitutes a coupled cooperation of the push-button 21 and the movable contact 32. The shell 10 is provided with a locking sleeve 12 for locking the conducting wire, and the locking sleeve 12 is provided with a locking hole 121 for the conducting wire to pass through. The locking sleeve can lock the conducting wire, and when the conducting wire is under tension, the conducting wire cannot be loosened from the static contact, so that the safety performance of the brake crank power-off switch can be improved.
As shown in fig. 3, the movable contact 32 is provided with a conductive rod 322, the stationary contact 31 is provided with an arc-shaped contact slot 311 matching with the conductive rod 322, and the conductive rod 322 acts along with the movable contact 32 and can be clamped in the arc-shaped contact slot 311, thereby forming an electrical connection between the movable contact 32 and the stationary contact 31. The movable contact is provided with the conducting rod matched with the static contact, so that the movable contact and the static contact can be reliably connected or disconnected, and the working reliability of the brake crank power-off switch can be improved. The button 21 is wrapped with a waterproof sheath 24, one end of the waterproof sheath 24 extends into the panel 11, and the waterproof sheath 24 is in sealing fit with the button 21 and the panel 11. Be provided with waterproof sheath on the button, can avoid the rainwater to enter into in the panel along the button to be favorable to improving this brake crank power off switch's waterproof performance.
Be provided with on the button with moving contact matched with drive block, drive inclined plane on the drive block can contradict on the load inclined plane on the moving contact to can guarantee that the button can reliably drive the moving contact, and be provided with reset spring between moving contact and the casing, thereby can guarantee that the moving contact can reset rapidly, the action is more sensitive, thereby this brake lever power off switch has simple structure, the stable performance is reliable, waterproof performance is good, the convenient advantage of assembly.
Claims (4)
1. The utility model provides a brake crank power-off switch, includes the casing, sets up panel, button subassembly, contact subassembly on the casing, its characterized in that: the button assembly comprises a button movably arranged on the panel, a supporting seat arranged in the shell and a spring arranged between the supporting seat and the button, the contact assembly comprises a fixed contact arranged in the shell, a moving contact arranged in the shell and contacted with the fixed contact, and a reset spring arranged between the shell and the moving contact, a driving block matched with the moving contact is arranged on the button, a driving inclined plane is arranged on one side of the driving block, a bearing inclined plane matched with the driving inclined plane is arranged on the moving contact, the driving inclined plane acts along with the button and can be abutted against the bearing inclined plane, and linkage matching of the button and the moving contact is formed.
2. The brake lever power-off switch according to claim 1, wherein: the movable contact is provided with a conducting rod, the static contact is provided with an arc-shaped contact groove matched with the conducting rod, and the conducting rod moves along with the movable contact and can be clamped in the arc-shaped contact groove to form electric connection between the movable contact and the static contact.
3. The brake lever power-off switch according to claim 1 or 2, wherein: the button on the parcel have a waterproof sheath, the one end of waterproof sheath extend in the panel, and constitute the sealed cooperation of waterproof sheath and button, panel.
4. The brake lever power-off switch according to claim 1 or 2, wherein: the shell body is provided with a locking sleeve for locking the conducting wire, and the locking sleeve is provided with a locking hole for the conducting wire to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792417.4U CN216120008U (en) | 2021-11-15 | 2021-11-15 | Brake crank power-off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792417.4U CN216120008U (en) | 2021-11-15 | 2021-11-15 | Brake crank power-off switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216120008U true CN216120008U (en) | 2022-03-22 |
Family
ID=80716726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122792417.4U Active CN216120008U (en) | 2021-11-15 | 2021-11-15 | Brake crank power-off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216120008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496625A (en) * | 2022-03-25 | 2022-05-13 | 乐清市兴辉电子有限公司 | Brake crank power-off switch |
-
2021
- 2021-11-15 CN CN202122792417.4U patent/CN216120008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496625A (en) * | 2022-03-25 | 2022-05-13 | 乐清市兴辉电子有限公司 | Brake crank power-off switch |
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| GR01 | Patent grant |