CN217736246U - Electronic parking power transmission structure with more stable transmission - Google Patents
Electronic parking power transmission structure with more stable transmission Download PDFInfo
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- CN217736246U CN217736246U CN202220233892.XU CN202220233892U CN217736246U CN 217736246 U CN217736246 U CN 217736246U CN 202220233892 U CN202220233892 U CN 202220233892U CN 217736246 U CN217736246 U CN 217736246U
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- worm wheel
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- screw
- power transmission
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Abstract
The utility model discloses a more steady electron parking power transmission structure of transmission. The motor output shaft is sleeved with a motor worm in an interference fit manner, the motor worm is meshed with an output worm wheel, the output worm wheel is connected with a screw pull wire assembly through threads, one end of the screw pull wire assembly is connected with an external shell, and the other end of the screw pull wire assembly is connected with a brake; the screw rod stay wire assembly comprises a stay wire head, a steel wire rope and a screw rod, wherein one end of the stay wire head is connected to the brake, the other end of the stay wire head is connected with one end of the steel wire rope, the other end of the steel wire rope is fixedly connected to one end of the screw rod, and the screw rod is in threaded connection with the output worm gear. The utility model discloses will simplify electron parking power transmission structure, the transmission of whole mechanism is compacter steady, and noise at work performance is more excellent.
Description
Technical Field
The utility model belongs to the technical field of vehicle parking braking equipment technique and specifically relates to an electron drum brake parking transmission structure has especially related to a more steady electron parking power transmission structure of transmission.
Background
Along with the intelligent development of automotive industry, electron parking function has become the standard and has joined in marriage, to the vehicle that is furnished with drum brake, also has the electron parking structure of various forms, can both satisfy whole car parking demand, but along with the improvement to the product travelling comfort requirement, need design the more steady electron parking transmission structure of transmission
Disclosure of Invention
In order to solve the problem existing in the background art, the utility model provides a more steady electron parking power transmission structure of transmission.
The utility model adopts the following technical scheme:
the utility model comprises a screw stay wire assembly, a motor, an output worm wheel and a motor worm; the motor output shaft is sleeved with the motor worm in an interference fit mode, the motor worm is meshed with the output worm wheel, the output worm wheel is connected with the screw pull wire assembly in a threaded mode, one end of the screw pull wire assembly is connected with the outer shell, and the other end of the screw pull wire assembly is connected with the brake.
An angular contact bearing is sleeved outside the screw stay wire assembly at one end of the output worm gear, and the output worm gear is positioned on the outer shell through the angular contact bearing.
The motor is mounted on the outer housing.
The screw rod stay wire assembly comprises a stay wire head, a steel wire rope and a screw rod, wherein one end of the stay wire head is connected to the brake, the other end of the stay wire head is connected with one end of the steel wire rope, the other end of the steel wire rope is fixedly connected to one end of the screw rod, and the screw rod is in threaded connection with the output worm wheel.
And two ends of the steel wire rope are respectively connected with the wire drawing head and the screw rod through riveting.
The other end tip of screw rod be equipped with the screw rod afterbody, the screw rod afterbody has two jack catchs, is connected with outside shell structure cooperation.
The output worm wheel comprises a worm wheel body and an insert nut, the insert nut is fixedly sleeved outside the worm wheel body, and the insert nut and the motor worm are connected to form a worm wheel-worm pair.
The utility model has the advantages that:
the utility model relates to a transmission more steady electron parking power transmission structure has optimized transmission structure, makes it when satisfying the parking function, has better noise performance, better travelling comfort performance.
Drawings
Fig. 1 is a perspective view of an electronic parking power transmission structure with more stable transmission of the present invention;
FIG. 2 is an exploded view of the electronic parking power transmission structure with more stable transmission according to the present invention;
in fig. 2: 1-screw stay wire assembly, 2-motor, 3-output worm gear, 4-motor worm, 5-angular contact bearing, 6-plane bearing, 7-spring and 8-spring sleeve;
FIG. 3 is a side view of the screw pull-wire assembly of the present invention;
in FIG. 3: 1.1-wire drawing head, 1.2-steel wire rope and 1.3-screw;
FIG. 4 is a side view of the screw of the present invention;
in fig. 4: 1.3.1-screw tail limit structure;
FIG. 5 is a structural diagram of the output worm wheel of the present invention;
in FIG. 5: 3.1-insert nut, 3.2-worm gear body;
Detailed Description
The transmission structure of the present invention will be further described with reference to the drawings.
The specific implementation is shown in fig. 1 and fig. 2, and comprises a screw stay wire assembly 1, a motor 2, an output worm wheel 3 and a motor worm 4; motor 2 installs on outside casing, and motor 2 output shaft cup joints through interference fit and motor worm 4, and motor worm 4 is connected with output worm wheel 3 intermeshing, and output worm wheel 3 and screw rod assembly 1 of acting as go-between pass through threaded connection, and 1 one end of screw rod assembly of acting as go-between is connected with outside casing, and the stopper is connected to the other end.
When the transmission mechanism works, the motor worm 6 can rotate along with the motor 2, the output worm wheel 3 is driven to rotate through meshing transmission, the output worm wheel 3 rotates through threads to cause the screw pull wire assembly 1 to perform axial linear motion, and the screw pull wire assembly 1 is connected with a brake of an external device to generate and release pulling force.
An angular contact bearing 5 is sleeved outside the screw stay wire assembly 1 at one end of the output worm gear 3, and the output worm gear 3 is positioned on the outer shell through the angular contact bearing 5; a plane bearing 6, a spring 7 and a spring sleeve 8 are sequentially sleeved outside the screw stay wire assembly 1 at the other end of the output worm wheel 3, and the plane bearing 6, the spring 7 and the spring sleeve 8 are used for structural positioning of the whole mechanism.
As shown in fig. 3, the screw pulling assembly 1 includes a pulling head 1.1, a steel wire rope 1.2 and a screw 1.3, one end of the pulling head 1.1 is connected to the brake, the other end of the pulling head 1.1 is connected to one end of the steel wire rope 1.2, the other end of the steel wire rope 1.2 is fixedly connected to one end of the screw 1.3, and the screw 1.3 is in threaded connection with the output worm wheel 3.
In specific implementation, two ends of the steel wire rope 1.2 are respectively connected with the wire drawing head 1.1 and the screw rod 1.3 through riveting.
As shown in fig. 4, the end of the other end of the screw 1.3 is provided with a screw tail 1.3.1, and the screw tail 1.3.1 is provided with two claws which are connected with the external shell structure in a matching way and used for limiting the screw 1.3 and only can move axially.
As shown in fig. 5, the output worm wheel 3 includes a worm wheel body 3.1 and an insert nut 3.2, the insert nut 3.2 is fixedly sleeved outside the worm wheel body 3.1, and the insert nut 3.2 and the motor worm 4 are connected to form a worm-gear pair.
As shown in figure 2, the output worm wheel 3 and the motor worm 4 perform worm gear transmission and change of transmission direction, the worm gear transmission is beneficial to the stability of torque transmission, and the working noise can be effectively reduced.
As shown in fig. 5, the insert nut 3.1 and the worm wheel body 3.2 are injection molded, the worm wheel body 3.2 is made of engineering plastics, the weight of the product can be reduced, and the self-lubricating property of the plastics can effectively reduce the working noise;
the utility model discloses an implement the working process as follows:
after the motor 2 is electrified, the motor worm 4 is driven to rotate, the motor worm 4 drives the output worm wheel 3 through worm and gear transmission, the output gear 3 is connected with the screw rod 1.3 on the screw rod stay wire assembly 1 through threads, the screw rod tail limiting structure 1.3.1 is matched with an external shell structure to enable the screw rod 1.3 to do axial linear motion in the motion mechanism, and the stay wire head 1.1 is connected with an external device to generate and release pulling force.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a transmission is more steady electron parking power transmission structure which characterized in that: comprises a screw stay wire assembly (1), a motor (2), an output worm wheel (3) and a motor worm (4); the output shaft of the motor (2) is sleeved with the motor worm (4) in an interference fit manner, the motor worm (4) is meshed with the output worm wheel (3) to be connected, the output worm wheel (3) is in threaded connection with the screw pull wire assembly (1), one end of the screw pull wire assembly (1) is connected with the outer shell, and the other end of the screw pull wire assembly is connected with the brake.
2. The electronic parking power transmission structure with smoother transmission according to claim 1, wherein: the screw rod of output worm wheel (3) one end is acted as go-between assembly (1) overcoat and is equipped with angular contact bearing (5), output worm wheel (3) through angular contact bearing (5) go up the location on the outside casing.
3. The electronic parking power transmission structure with smoother transmission according to claim 1, wherein: the motor (2) is arranged on the outer shell.
4. The electronic parking power transmission structure with smoother transmission according to claim 1, wherein: the screw rod assembly of acting as go-between (1) is including acting as go-between head (1.1), wire rope (1.2) and screw rod (1.3), and acting as go-between head (1.1) one end is connected to the stopper, and the one end of the other end and wire rope (1.2) of acting as go-between head (1.1) is connected, and wire rope (1.2) other end fixed connection is to a tip of screw rod (1.3), screw rod (1.3) and output worm wheel (3) threaded connection.
5. The electronic parking power transmission structure with smoother transmission according to claim 4, wherein: two ends of the steel wire rope (1.2) are respectively connected with the wire drawing head (1.1) and the screw rod (1.3) through riveting.
6. The electronic parking power transmission structure with smoother transmission according to claim 1, wherein: the other end tip of screw rod (1.3) be equipped with screw rod afterbody (1.3.1), screw rod afterbody (1.3.1) have two jack catchs, be connected with outside shell structure cooperation.
7. The electronic parking power transmission structure with smoother transmission according to claim 1, wherein: the output worm wheel (3) comprises a worm wheel body (3.1) and an insert nut (3.2), the insert nut (3.2) is fixedly sleeved outside the worm wheel body (3.1), and the insert nut (3.2) and the motor worm (4) are connected to form a worm wheel and worm pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220233892.XU CN217736246U (en) | 2022-01-28 | 2022-01-28 | Electronic parking power transmission structure with more stable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220233892.XU CN217736246U (en) | 2022-01-28 | 2022-01-28 | Electronic parking power transmission structure with more stable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736246U true CN217736246U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220233892.XU Active CN217736246U (en) | 2022-01-28 | 2022-01-28 | Electronic parking power transmission structure with more stable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736246U (en) |
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2022
- 2022-01-28 CN CN202220233892.XU patent/CN217736246U/en active Active
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