CN116677279A - Electric tail gate pull rod - Google Patents
Electric tail gate pull rod Download PDFInfo
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- CN116677279A CN116677279A CN202310683893.3A CN202310683893A CN116677279A CN 116677279 A CN116677279 A CN 116677279A CN 202310683893 A CN202310683893 A CN 202310683893A CN 116677279 A CN116677279 A CN 116677279A
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- screw rod
- ball socket
- sleeve
- shell
- transmission claw
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Abstract
The application belongs to the technical field of automobile parts, and particularly relates to an electric tail gate pull rod which comprises a shell, an end cover, a damper, a screw rod, a gear set and a driving mechanism, wherein the end cover is arranged on the shell; the screw rod is sequentially provided with a first ball socket, a transmission claw, a bearing, a guide sleeve and a screw rod sleeve along the axial direction of the screw rod; the first ball socket and the end cover are respectively arranged at two ends of the shell, the transmission claw, the gear set and the bearing are all arranged in the shell, the outer ring of the bearing is connected with the shell, one end of the transmission claw is connected with the damper, and the other end of the transmission claw is connected with the output end of the gear set; the driving mechanism is arranged on the end cover, and the output end of the driving mechanism is connected with the input end of the gear set; the screw rod, the screw rod sleeve and the guide sleeve are sequentially arranged from inside to outside, one end of the guide sleeve, which is far away from the screw rod sleeve, is connected with the end cover, one end of the screw rod sleeve, which is close to the guide sleeve, is in threaded connection with the screw rod, and one end of the screw rod sleeve, which is far away from the guide sleeve, is provided with a second ball socket.
Description
Technical Field
The application belongs to the technical field of automobile parts, and particularly relates to an electric tail gate pull rod.
Background
With the improvement of living standard and technological level, the requirements of consumers on the configuration of automobiles are higher and higher, and the electric tail gate is favored by the vast users. The automobile tail door is driven by the electric tail door pull rod to automatically open and close, so that the use convenience of the automobile is greatly improved. The existing electric tail gate pull rod has the defects of complex structure, low integration degree and large occupied space, and the existing electric tail gate pull rod needs to be continuously improved and optimized.
Disclosure of Invention
The application provides an electric tail gate pull rod, which aims to solve the problems of complex structure and low integration degree of the electric tail gate pull rod in the prior art.
In order to solve the technical problems, the application adopts the following technical scheme that the electric tail gate pull rod comprises a shell, an end cover, a damper, a screw rod, a gear set and a driving mechanism; the screw rod is sequentially provided with a first ball socket, a transmission claw, a bearing, a guide sleeve and a screw rod sleeve along the axial direction of the screw rod;
the first ball socket and the end cover are respectively arranged at two ends of the shell, the transmission claw, the gear set and the bearing are all arranged in the shell, the outer ring of the bearing is connected with the shell, one end of the transmission claw is connected with the damper, and the other end of the transmission claw is connected with the output end of the gear set; the driving mechanism is arranged on the end cover, and the output end of the driving mechanism is connected with the input end of the gear set;
the screw rod, the screw rod sleeve and the guide sleeve are sequentially arranged from inside to outside, one end of the guide sleeve, which is far away from the screw rod sleeve, is connected with the end cover, one end of the screw rod sleeve, which is close to the guide sleeve, is in threaded connection with the screw rod, and one end of the screw rod sleeve, which is far away from the guide sleeve, is provided with a second ball socket.
Preferably, the gear set comprises a first pinion, a first large gear, a second pinion and a second large gear, the first large gear and the second pinion are coaxially arranged, the first pinion is meshed with the first large gear, the second large gear is sleeved on the transmission claw, and the output end of the driving mechanism is connected with the first small gear. Two groups of parallel gears are adopted for speed reduction, the structure is simple and compact, and the transmission is stable and reliable.
Further, the electric tail gate pull rod further comprises an elastic pad, and the elastic pad is arranged between the transmission claw and the second large gear. The rigid contact between the second large gear and the transmission claw is changed into elastic contact, so that a good buffering effect is achieved.
Further, a plurality of connecting holes are formed in the second large gear along the circumferential direction of the second large gear, a plurality of connecting parts are arranged at one end, far away from the damper, of the transmission claw along the circumferential direction of the transmission claw, and the connecting parts are inserted into the connecting holes; the elastic cushion sleeve is arranged on the transmission claw, a plurality of elastic parts are arranged at one end, close to the second large gear, of the elastic cushion along the circumferential direction of the elastic cushion, and the elastic parts are respectively attached to the connecting parts and the side walls of the mounting holes. The connection structure of the second large gear, the elastic pad and the transmission claw is simple and reliable, and the assembly is convenient.
Further, the driving mechanism comprises a motor, the motor is arranged in parallel with the screw rod, and the output end of the motor is connected with the first pinion.
Preferably, an installation cavity is formed in one side, close to the shell, of the first ball socket, the end portion of the screw rod penetrates through the installation cavity and is connected with the first ball socket, the damper is arranged in the installation cavity, and the first ball socket serves as a shell of the damper. The first ball socket and the damper are integrally designed, the structure is simple and compact, the cost is low, and the damper disclosed by the prior patent CN218623833U can be selected as the damper for the automobile electric tail gate stay bar.
Preferably, the electric tail door pull rod further comprises a tension spring and a tension spring fixing seat, the tension spring fixing seat is connected with the second ball socket, the end part of the screw rod penetrates through the tension spring fixing seat and is connected with the second ball socket, the tension spring is sleeved on the guide sleeve, and two ends of the tension spring are respectively connected with the end cover and the tension spring fixing seat. The end cover is used for simultaneously fixing the guide sleeve, the driving mechanism and the tension spring, and has the advantages of simple and compact structure, high integration degree and lower cost.
The beneficial effects are that: according to the electric tail gate pull rod, the driving mechanism sequentially drives the gear set, the driving claw and the screw rod to rotate, meanwhile, the damper provides damping for the driving claw, namely damping is provided for the screw rod, and the screw rod rotates to drive the screw rod sleeve to extend or retract along the guide sleeve due to guiding limit of the guide sleeve, so that automatic opening and closing of the automobile tail gate are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an electric tailgate pull rod of the present application;
FIG. 2 is a schematic view in partial cross-section of the electric tailgate tie of the application;
FIG. 3 is an exploded view of the drive pawl, spring washer and second large gear of the electric tailgate tie of the application;
in the figure: 1. the device comprises a shell, 2, an end cover, 3, a damper, 4, a screw rod, 5, a gear set, 5-1, a first pinion, 5-2, a first large gear, 5-3, a second pinion, 5-4, a second large gear, 5-41, a connecting hole, 6, a motor, 7, a first ball socket, 8, a transmission claw, 8-1, a connecting part, 9, a bearing, 10, a guide sleeve, 11, a screw rod sleeve, 12, a second ball socket, 13, an elastic pad, 13-1, an elastic part, 14, a tension spring, 15 and a tension spring fixing seat.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
As shown in fig. 1 to 3, an electric tail gate pull rod comprises a shell 1, an end cover 2, a damper 3, a screw rod 4, a gear set 5 and a driving mechanism; the screw rod 4 is sequentially provided with a first ball socket 7, a transmission claw 8, a bearing 9, a guide sleeve 10 and a screw rod sleeve 11 along the axial direction; the first ball socket 7 and the end cover 2 are respectively arranged at two ends of the shell 1, the transmission claw 8, the gear set 5 and the bearing 9 are arranged in the shell 1, the outer ring of the bearing 9 is connected with the shell 1, one end of the transmission claw 8 is connected with the damper 3, and the other end of the transmission claw 8 is connected with the output end of the gear set 5; the driving mechanism is arranged on the end cover 2, and the output end of the driving mechanism is connected with the input end of the gear set 5; the screw rod 4, the screw rod sleeve 11 and the guide sleeve 10 are sequentially arranged from inside to outside, one end of the guide sleeve 10, which is far away from the screw rod sleeve 11, is connected with the end cover 2, one end of the screw rod sleeve 11, which is close to the guide sleeve 10, is in threaded connection with the screw rod 4, and one end of the screw rod sleeve 11, which is far away from the guide sleeve 10, is provided with a second ball socket 12.
In order to ensure stable and reliable transmission, simple and compact layout and low cost, in the embodiment, the gear set 5 comprises a first pinion 5-1, a first large gear 5-2, a second pinion 5-3 and a second large gear 5-4, the first large gear 5-2 and the second pinion 5-3 are coaxially arranged, the first small gear 5-1 is meshed with the first large gear 5-2, the second large gear 5-4 is sleeved on a transmission claw 8, and the output end of the driving mechanism is connected with the first small gear 5-1; specifically, in the present embodiment, the driving mechanism includes a motor 6, the motor 6 is disposed parallel to the screw 4, and an output end of the motor 6 is connected to the first pinion 5-1; further, in the present embodiment, the electric tail gate draw bar further includes an elastic pad 13, and the elastic pad 13 is disposed between the driving claw 8 and the second large gear 5-4; specifically, in this embodiment, the second large gear 5-4 is provided with a plurality of connection holes 5-41 along its circumferential direction, one end of the driving claw 8 away from the damper 3 is provided with a plurality of connection parts 8-1 along its circumferential direction, and the connection parts 8-1 are inserted into the connection holes 5-41; the elastic pad 13 is sleeved on the driving claw 8, one end of the elastic pad 13, which is close to the second large gear 5-4, is provided with a plurality of elastic parts 13-1 along the circumferential direction of the elastic part, and the elastic parts 13-1 are respectively attached to the connecting parts 8-1 and the side walls of the mounting holes.
In order to further improve the integration level of the electric tail gate pull rod, in this embodiment, a mounting cavity is formed on one side, close to the shell 1, of the first ball socket 7, the end portion of the screw rod 4 passes through the mounting cavity and is connected with the first ball socket 7, the damper 3 is arranged in the mounting cavity, the first ball socket 7 serves as a shell of the damper 3, the first ball socket 7 and the damper 3 are integrally designed, and the damper 3 disclosed in the prior patent CN218623833U can be selected as the damper 3 for the electric tail gate pull rod of the automobile.
In order to further improve the integration level of the electric tail gate pull rod, in this embodiment, the electric tail gate pull rod further comprises a tension spring 14 and a tension spring fixing seat 15, the tension spring fixing seat 15 is connected with the second ball socket 12, the end portion of the screw rod 4 passes through the tension spring fixing seat 15 and is connected with the second ball socket 12, the tension spring 14 is sleeved on the guide sleeve 10, and two ends of the tension spring 14 are respectively connected with the end cover 2 and the tension spring fixing seat 15, so that the end cover 2 simultaneously fixes the guide sleeve 10, the driving mechanism and the tension spring 14.
The working principle is as follows:
when the motor 6 is started, the motor 6 drives the gear set 5, the transmission claw 8 and the screw rod 4 to rotate in sequence, meanwhile, the damper 3 provides damping for the transmission claw 8, namely damping for the screw rod 4, the screw rod 4 rotates to drive the screw rod sleeve 11 to extend or retract along the guide sleeve 10 due to guiding limit of the guide sleeve 10, when the screw rod sleeve 11 extends, the electric tail gate pull rod drives the automobile tail gate to open, and when the screw rod sleeve 11 retracts, the electric tail gate pull rod drives the automobile tail gate to close.
The present application is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present application and the inventive concept thereof, can be replaced or changed within the scope of the present application.
Claims (7)
1. An electric tail gate pull rod which is characterized in that: comprises a shell (1), an end cover (2), a damper (3), a screw rod (4), a gear set (5) and a driving mechanism; the screw rod (4) is sequentially provided with a first ball socket (7), a transmission claw (8), a bearing (9), a guide sleeve (10) and a screw rod sleeve (11) along the axial direction of the screw rod;
the first ball socket (7) and the end cover (2) are respectively arranged at two ends of the shell (1), the transmission claw (8), the gear set (5) and the bearing (9) are all arranged in the shell (1), the outer ring of the bearing (9) is connected with the shell (1), one end of the transmission claw (8) is connected with the damper (3), and the other end of the transmission claw (8) is connected with the output end of the gear set (5); the driving mechanism is arranged on the end cover (2), and the output end of the driving mechanism is connected with the input end of the gear set (5);
the screw rod (4), the screw rod sleeve (11) and the guide sleeve (10) are sequentially arranged from inside to outside, one end, far away from the screw rod sleeve (11), of the guide sleeve (10) is connected with the end cover (2), one end, close to the guide sleeve (10), of the screw rod sleeve (11) is in threaded connection with the screw rod (4), and one end, far away from the guide sleeve (10), of the screw rod sleeve (11) is provided with a second ball socket (12).
2. The electric tailgate tie rod of claim 1, wherein: the gear set (5) comprises a first pinion (5-1), a first large gear (5-2), a second pinion (5-3) and a second large gear (5-4), wherein the first large gear (5-2) and the second pinion (5-3) are coaxially arranged, the first pinion (5-1) is meshed with the first large gear (5-2), the second large gear (5-4) is sleeved on the transmission claw (8), and the output end of the driving mechanism is connected with the first pinion (5-1).
3. The electric tailgate tie rod according to claim 2, characterized by: the electric tail gate pull rod further comprises an elastic pad (13), and the elastic pad (13) is arranged between the transmission claw (8) and the second large gear (5-4).
4. A power tailgate tie according to claim 3, characterized in that: the second large gear (5-4) is provided with a plurality of connecting holes (5-41) along the circumferential direction of the second large gear, one end, far away from the damper (3), of the transmission claw (8) is provided with a plurality of connecting parts (8-1) along the circumferential direction of the transmission claw, and the connecting parts (8-1) are inserted into the connecting holes (5-41); the elastic pad (13) is sleeved on the transmission claw (8), one end of the elastic pad (13) close to the second large gear (5-4) is provided with a plurality of elastic parts (13-1) along the circumference of the elastic part, and the elastic parts (13-1) are respectively attached to the connecting parts (8-1) and the side walls of the mounting holes.
5. The electric tailgate tie rod according to any one of claims 2 to 4 wherein: the driving mechanism comprises a motor (6), the motor (6) is arranged in parallel with the screw rod (4), and the output end of the motor (6) is connected with the first pinion (5-1).
6. The electric tailgate tie rod according to any one of claims 1 to 4 wherein: the mounting cavity is formed in one side, close to the shell (1), of the first ball socket (7), the end portion of the screw rod (4) penetrates through the mounting cavity and is connected with the first ball socket (7), the damper (3) is arranged in the mounting cavity, and the first ball socket (7) serves as a shell of the damper (3).
7. The electric tailgate tie rod according to any one of claims 1 to 4 wherein: the electric tail door pull rod further comprises a tension spring (14) and a tension spring fixing seat (15), the tension spring fixing seat (15) is connected with the second ball socket (12), the end portion of the screw rod (4) penetrates through the tension spring fixing seat (15) and is connected with the second ball socket (12), the tension spring (14) is sleeved on the guide sleeve (10), and two ends of the tension spring (14) are respectively connected with the end cover (2) and the tension spring fixing seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310683893.3A CN116677279A (en) | 2023-06-10 | 2023-06-10 | Electric tail gate pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310683893.3A CN116677279A (en) | 2023-06-10 | 2023-06-10 | Electric tail gate pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116677279A true CN116677279A (en) | 2023-09-01 |
Family
ID=87790498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310683893.3A Pending CN116677279A (en) | 2023-06-10 | 2023-06-10 | Electric tail gate pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116677279A (en) |
-
2023
- 2023-06-10 CN CN202310683893.3A patent/CN116677279A/en active Pending
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