CN212535382U - Vehicle door fastener - Google Patents
Vehicle door fastener Download PDFInfo
- Publication number
- CN212535382U CN212535382U CN202020871115.9U CN202020871115U CN212535382U CN 212535382 U CN212535382 U CN 212535382U CN 202020871115 U CN202020871115 U CN 202020871115U CN 212535382 U CN212535382 U CN 212535382U
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- CN
- China
- Prior art keywords
- bevel gear
- cam
- connecting rod
- shaft
- shell
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a door fastener, which comprises an outer shell, shell built-in motor, drive mechanism and connecting rod, drive mechanism includes the cam, the main shaft, the transmission shaft, bevel gear and bevel gear two, the main shaft is fixed to be located in the casing, one side rigid coupling bevel gear of cam, cam and bevel gear coaxial arrangement are on the main shaft, the transmission shaft passes through the axle bed and installs in the casing, the transmission shaft is mutually perpendicular setting with the main shaft, bevel gear two is installed on the transmission shaft, bevel gear two and bevel gear intermeshing, shaft coupling coaxial coupling transmission shaft is passed through in the pivot of motor, the connecting rod stretches out outside the casing through the through-hole on the shell, the one end of connecting rod is equipped with the stopper, the connecting rod passes through stopper and cam sliding connection, the part that lies. The utility model relates to a fastener field, advantage compared with prior art lies in: simple structure, durability and high operation efficiency.
Description
Technical Field
The utility model relates to a fastener field specifically indicates a door fastener.
Background
The automobile fastener is a switch arranged on a driver seat door, is essentially an automobile door lock controller, is a control device capable of simultaneously controlling the closing and the opening of the whole automobile door, adopts a switch to control other switches, and nowadays, the fastener has become a standard configuration on large and small automobiles, but no matter what kind of door lock actuating mechanism, the locking and the opening of the door lock are realized by changing the electrifying current direction of the actuating mechanism to control the movement of a connecting rod.
The existing vehicle door fastener structure is that a worm fixed on an output shaft of a motor is meshed with a gear, an inner cavity of the gear is meshed with a swing arm, and a connecting rod moves through a worm gear; the transmission efficiency of the fastener is not high, and the tooth surface adhesion is easy to generate after long-time use.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a simple structure, durable, door fastener that operating efficiency is high.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the designed vehicle door fastener comprises a shell, wherein a motor, a transmission mechanism and a connecting rod are arranged in the shell, the transmission mechanism comprises a cam, a main shaft, a transmission shaft, a first bevel gear and a second bevel gear, the main shaft is fixedly arranged in the shell, one side of the cam is fixedly connected with a first bevel gear, the cam and the bevel gear are coaxially arranged on the main shaft, the transmission shaft is arranged in the shell through a shaft seat, the transmission shaft and the main shaft are arranged in a mutually vertical way, the second bevel gear is fixedly arranged on the transmission shaft and is meshed with the first bevel gear, the rotating shaft of the motor is coaxially connected with the transmission shaft through a coupler, the connecting rod extends out of the shell through a through hole on the shell, one end of the connecting rod is provided with a limiting block, the connecting rod is connected with the cam in a sliding mode through the limiting block, and springs are arranged on the portions, located on the limiting block and the shell, of the connecting rod. According to the design, the cam mechanism is used for realizing the up-and-down movement of the connecting rod, the locking mechanism is driven to lock through the connecting rod, the cam mechanism is simple and compact in structure and high in reliability, the bevel gear can realize self-locking, the spring can realize that the connecting rod is attached to the cam at any time, and the operation is stable.
Furthermore, the limiting block is a cylinder with a semicircular section, and the cambered surface is in contact with the cam. The limiting block is in line contact with the cam, so that friction is small and a transmission effect is good.
Further, the diameter of the spring is larger than that of the through hole and smaller than that of the limiting block.
Furthermore, the first bevel gear and the second bevel gear are curved-tooth bevel gears or linear-tooth bevel gears.
Further, the motor is a stepping motor or a servo motor.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model utilizes the meshing of the bevel gear to drive the cam mechanism to operate, thereby realizing the up-and-down movement of the connecting rod, and the cam mechanism has simple and compact structure and higher reliability; and the motor can run in a single direction, does not need to rotate in the positive and negative directions, and has higher running efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a door latch according to the present invention.
As shown in the figure: 1. the device comprises a shell, 2, a motor, 3, a transmission mechanism, 4, a connecting rod, 5, a cam, 6, a main shaft, 7, a transmission shaft, 8, a first bevel gear, 9, a second bevel gear, 10, a coupler, 11, a through hole, 12, a limiting block, 13, a spring, 14 and a shaft seat.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.
Example, see figure 1: the utility model discloses a motor 2, drive mechanism 3 and connecting rod 4 are built-in to shell 1, drive mechanism 3 includes cam 5, main shaft 6, transmission shaft 7, bevel gear 8 and bevel gear two 9, main shaft 6 is fixed to be located the shell 1 internally, one side rigid coupling bevel gear 8 of cam 5, cam 5 and bevel gear one 8 coaxial arrangement are on main shaft 6, transmission shaft 7 is installed in shell 1 through axle bed 14, transmission shaft 7 with main shaft 6 is mutually perpendicular setting, bevel gear two 9 is installed on transmission shaft 7, bevel gear two 9 and bevel gear one 8 intermeshing, the pivot of motor 2 is through shaft coupling 10 coaxial coupling transmission shaft 7, connecting rod 4 stretches out to the shell 1 through-hole 11 on shell 1, the one end of connecting rod 4 is equipped with stopper 12, the connecting rod 4 is connected with the cam 5 in a sliding mode through a limiting block 12, and a spring 13 is arranged on the portion, located between the limiting block 12 and the shell 1, of the connecting rod 4.
The limiting block 12 is a cylinder with a semicircular section, the arc surface of the cylinder is in contact with the cam 5, the diameter of the spring 13 is larger than that of the through hole 11 and smaller than that of the limiting block 12, the bevel gear I8 and the bevel gear II 9 are curve-tooth bevel gears or linear-tooth bevel gears, and the motor 2 is a stepping motor or a servo motor.
When the locking device is used specifically, the locking device is powered by a vehicle-mounted power supply and controlled by a control circuit, the control circuit enables the motor 2 to run, the transmission shaft 7 is driven by the coupler 10, the bevel gear II 9 on the transmission shaft 7 drives the bevel gear I8 to rotate, the cam 5 rotates by taking the main shaft 6 as a shaft, and when the highest point of the cam 5 is contacted with the limiting block 12, the connecting rod 4 is pushed to the highest position to realize locking; when the lowest point of the cam 5 is contacted with the limiting block 12, the connecting rod 4 is unlocked; therefore, the period of each operation of the motor 2 is the period from the highest point to the lowest point of the cam 5, and the stroke of the connecting rod 4 is the distance from the highest point to the lowest point of the cam 5; the spring 13 is supported by the housing 1 and applies stress to the stopper 12 facing the cam 5, so that the stopper 12 can be closely attached to the cam 5, and the operation is stable when the connecting rod 4 is unlocked and reset.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. A door latch comprising a housing (1), characterized in that: the motor (2), the transmission mechanism (3) and the connecting rod (4) are arranged in the shell (1), the transmission mechanism (3) comprises a cam (5), a main shaft (6), a transmission shaft (7), a bevel gear I (8) and a bevel gear II (9), the main shaft (6) is fixedly arranged in the shell (1), the bevel gear I (8) is fixedly connected to one side of the cam (5), the cam (5) and the bevel gear I (8) are coaxially arranged on the main shaft (6), the transmission shaft (7) is arranged in the shell (1) through a shaft seat (14), the transmission shaft (7) and the main shaft (6) are mutually and vertically arranged, the bevel gear II (9) is fixedly arranged on the transmission shaft (7), the bevel gear II (9) and the bevel gear I (8) are mutually meshed, a rotating shaft of the motor (2) is coaxially connected with the transmission shaft (7) through a shaft coupler (10), connecting rod (4) stretch out to outside shell (1) through-hole (11) on shell (1), the one end of connecting rod (4) is equipped with stopper (12), connecting rod (4) through stopper (12) with cam (5) sliding connection, the part that lies in stopper (12) and shell (1) on connecting rod (4) is equipped with spring (13).
2. A door latch according to claim 1, wherein: the limiting block (12) is a cylinder with a semicircular section, and the cambered surface is in contact with the cam (5).
3. A door latch according to claim 1, wherein: the diameter of the spring (13) is larger than that of the through hole (11) and smaller than that of the limiting block (12).
4. A door latch according to claim 1, wherein: the bevel gear I (8) and the bevel gear II (9) are curve-tooth bevel gears or linear-tooth bevel gears.
5. A door latch according to claim 1, wherein: the motor (2) is a stepping motor or a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020871115.9U CN212535382U (en) | 2020-05-21 | 2020-05-21 | Vehicle door fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020871115.9U CN212535382U (en) | 2020-05-21 | 2020-05-21 | Vehicle door fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535382U true CN212535382U (en) | 2021-02-12 |
Family
ID=74542075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020871115.9U Expired - Fee Related CN212535382U (en) | 2020-05-21 | 2020-05-21 | Vehicle door fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006614A (en) * | 2021-03-05 | 2021-06-22 | 南京工程学院 | Novel electric safety locking device |
| CN113006615A (en) * | 2021-03-05 | 2021-06-22 | 南京工程学院 | Novel electrically-driven variable speed ratio locking transmission mechanism |
-
2020
- 2020-05-21 CN CN202020871115.9U patent/CN212535382U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006614A (en) * | 2021-03-05 | 2021-06-22 | 南京工程学院 | Novel electric safety locking device |
| CN113006615A (en) * | 2021-03-05 | 2021-06-22 | 南京工程学院 | Novel electrically-driven variable speed ratio locking transmission mechanism |
| CN113006615B (en) * | 2021-03-05 | 2022-05-03 | 南京工程学院 | Novel electrically-driven variable speed ratio locking transmission mechanism |
| CN113006614B (en) * | 2021-03-05 | 2022-05-03 | 南京工程学院 | Novel electric safety locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |