CN220979145U - Concealed door handle actuator - Google Patents
Concealed door handle actuator Download PDFInfo
- Publication number
- CN220979145U CN220979145U CN202322710139.2U CN202322710139U CN220979145U CN 220979145 U CN220979145 U CN 220979145U CN 202322710139 U CN202322710139 U CN 202322710139U CN 220979145 U CN220979145 U CN 220979145U
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- Prior art keywords
- gear
- push rod
- cavity
- door handle
- handle actuator
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- 239000000463 material Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 3
- 208000002697 Tooth Abrasion Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hidden door handle actuator, which comprises a shell, a limiting piece, a push rod and a driving mechanism, wherein the shell is provided with a cavity; the limiting piece is arranged in the cavity in a sliding way and can move along the axial direction; the push rod is arranged in the cavity along the moving direction of the limiting piece, one end of the push rod is rotationally clamped with the limiting piece, and the other end of the push rod rotationally extends out of the shell; the driving mechanism is connected with the push rod and is used for driving the push rod to reciprocate along the axial direction so as to adjust the extension length of the push rod. The beneficial effects of the utility model are as follows: the push rod is guided through the limiting piece to move, so that the push rod and the shell are prevented from being connected in a threaded mode, the problem that a thread groove is formed in the inner side wall of the shell is avoided, the problem that threads on the inner side wall of the shell are worn is avoided, and the service life of the whole actuator can be prolonged.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a hidden door handle actuator.
Background
The executor is the force part when the door handle stretches out, can let hidden door handle slowly pop out from the automobile body during the assembly use, make the automobile body more succinct more have technological sense, the push rod of current door handle executor (as disclosed in the application number 202022587087.0 for a hidden car door handle electric actuator) is through threaded rod and the screw thread groove spiro union on the casing inside wall to leading it spacing, when the push rod is carrying out axial displacement's in-process, threaded rod can rub each other with the screw thread groove on the shells inner wall, because the wear resistance of casing is relatively poor, the screw thread groove on the shells inner wall is worn and torn seriously easily, make screw thread groove function inefficacy, lead to the scraped problem of casing.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a hidden door handle actuator, which solves the technical problems that in the prior art, when a push rod in the door handle actuator moves axially, a threaded rod can mutually rub with a thread groove on the inner wall of a shell, so that the thread groove on the inner wall of the shell is easily worn seriously, and the shell is scrapped.
In order to achieve the technical purpose, the technical scheme of the utility model provides a hidden door handle actuator, which comprises:
A housing having a cavity;
The limiting piece is arranged in the cavity in a sliding manner and can move along the axial direction;
The push rod is arranged in the cavity along the moving direction of the limiting piece, one end of the push rod is rotationally clamped with the limiting piece, and the other end of the push rod rotationally extends out of the shell;
The driving mechanism is connected with the push rod and used for driving the push rod to reciprocate along the axial direction so as to adjust the extension length of the push rod.
Further, the limiting piece is a limiting block, the limiting block is provided with a first side and a second side which are oppositely arranged, and one end of the push rod is rotationally clamped with the first side of the limiting block.
Further, the hidden door handle actuator further comprises an elastic piece, the elastic piece is arranged in the cavity and located on the second side of the limiting block, one end, away from the limiting block, of the elastic piece is connected with the cavity wall of the cavity, and one end, close to the limiting block, of the elastic piece is used for being abutted to the second side of the limiting block.
Further, the elastic piece is a shock absorption block, and the shock absorption block is made of rubber materials.
Further, the push rod is provided with a screw rod section close to the limiting piece and a smooth section far away from the limiting piece, the driving mechanism is connected with the screw rod section, and the smooth section rotates and stretches out to the outside of the shell.
Further, the driving mechanism is arranged in the cavity, the driving mechanism comprises a first-stage gear, a second-stage gear, a third-stage gear and a rotation driving piece, the first-stage gear is rotatably arranged on the shell, the second-stage gear is rotatably arranged on the shell, one end of the second-stage gear is meshed with the first-stage gear, the third-stage gear is meshed with the other end of the second-stage gear, a screw hole is coaxially formed in the third-stage gear and is coaxially sleeved on the screw rod section through the screw hole, the screw hole is meshed with the screw rod section, the rotation driving piece is fixed on the shell, and the output end of the rotation driving piece is fixedly connected with the first-stage gear.
Further, the second stage gear comprises a large gear and a small gear, the large gear is fixedly connected with the small gear coaxially, the large gear is meshed with the first stage gear, and the small gear is meshed with the third stage gear.
Further, the cavity comprises a push rod cavity for accommodating the push rod and a motor cavity for accommodating the rotation driving piece, the width of the push rod cavity is larger than the diameter of the push rod, and two sides of the limiting block are in sliding connection with the cavity wall of the push rod cavity.
Further, the hidden door handle actuator further comprises a contact pin, wherein one end of the contact pin is fixed in the motor cavity and is electrically connected with the rotation driving piece, and the other end of the contact pin extends out of the shell and is used for being connected with a power supply.
Further, the hidden door handle actuator further comprises a sealing ring, and the sealing ring is arranged at the joint of the smooth section and the shell.
Compared with the prior art, the utility model has the beneficial effects that: when needs pop out hidden door handle, through controlling actuating mechanism for actuating mechanism can drive the push rod along axial displacement, thereby can make the extension length of push rod grow gradually, and the push rod can drive the door handle and slowly pop out from the automobile body, because the push rod is to its removal through the locating part guide, consequently can avoid carrying out threaded connection with push rod and casing, thereby avoided seting up the problem of thread groove on the casing inside wall, and then avoided the screw thread on the casing inside wall to be worn and torn the problem, can prolong the life of whole executor.
Drawings
Fig. 1 is a schematic perspective view of a hidden door handle actuator according to the present utility model;
FIG. 2 is a schematic illustration of the hidden door handle actuator of FIG. 1 with the cover omitted;
In the figure: 100-shell, 110-cavity, 111-push rod cavity, 112-motor cavity, 120-bottom shell, 130-shell cover, 200-limiting piece, 210-limiting piece, 211-first side, 212-second side, 300-push rod, 310-lead screw section, 320-smooth section, 400-driving mechanism, 410-first stage gear, 420-second stage gear, 421-large gear, 422-small gear, 430-third stage gear, 440-rotation driving piece, 500-elastic piece, 510-shock absorbing block, 600-contact pin and 700-bearing.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a hidden door handle actuator, the structure of which is shown in fig. 1 and 2, comprising a shell 100, a limiting piece 200, a push rod 300 and a driving mechanism 400, wherein the shell 100 is provided with a cavity 110; the limiting piece 200 is slidably disposed in the cavity 110 and can move along the axial direction; the push rod 300 is disposed in the cavity 110 along the moving direction of the limiting member 200, one end of the push rod 300 is rotationally clamped with the limiting member 200, and the other end of the push rod 300 rotationally extends out of the housing 100; the driving mechanism 400 is connected to the push rod 300, and is used for driving the push rod 300 to reciprocate along the axial direction so as to adjust the extension length of the push rod 300.
When the hidden door handle needs to be popped out, the driving mechanism 400 is controlled, so that the driving mechanism 400 can drive the push rod 300 to move along the axial direction, the extension length of the push rod 300 gradually becomes larger, the push rod 300 can drive the door handle to slowly pop out of the automobile body, and as the push rod 300 guides and limits the movement of the limiting piece 200, the push rod 300 can be prevented from being connected with the shell 100 in a threaded manner, the problem that a thread groove is formed in the inner side wall of the shell 100 is avoided, the problem that threads on the inner side wall of the shell 100 are worn is avoided, and the service life of the whole actuator can be prolonged.
As a preferred embodiment, please refer to fig. 1 and 2, the limiting member 200 is a limiting member 210, the limiting member 210 has a first side 211 and a second side 212 that are disposed opposite to each other, one end of the pushing member 300 is rotationally clamped with the first side 211 of the limiting member 210, so that the elastic member 500 is disposed on the second side 212 of the limiting member 210, so that the elastic member 500 can ease the impact between the limiting member 210 and the housing 100 when the pushing member 210 is retracted.
As a preferred embodiment, please refer to fig. 1, the hidden door handle actuator further includes an elastic member 500, the elastic member 500 is disposed in the cavity 110 and located on the second side 212 of the stopper 210, one end of the elastic member 500 away from the stopper 210 is connected with the cavity wall of the cavity 110, one end of the elastic member 500 near the stopper 210 is used for abutting against the second side 212 of the stopper 210, and the elastic member 500 can relieve the impact with the housing 100 when the stopper 210 is retracted, so as to further protect the housing 100 from being damaged.
As a preferred embodiment, referring to fig. 2, the elastic member 500 is a damper block 510, and the damper block 510 is made of rubber, so that the damper block 510 has a deformable structure, and the damper block 510 can serve to alleviate the impact with the housing 100 when the stopper 210 is retracted.
As a preferred embodiment, referring to fig. 2, the push rod 300 has a lead screw section 310 close to the limiting member 200 and a smooth section 320 far away from the limiting member 200, the driving mechanism 400 is connected to the lead screw section 310, and the smooth section 320 is rotatably extended out of the housing 100, so that by operating the driving mechanism 400, the driving mechanism 400 can drive the lead screw section 310 to move along the axial direction, and further drive the entire push rod 300 to move along the axial direction.
As a preferred embodiment, referring to fig. 2, the driving mechanism 400 is disposed in the cavity 110, the driving mechanism 400 includes a first gear 410, a second gear 420, a third gear 430 and a rotation driving member 440, the first gear 410 is rotatably mounted on the housing 100, the second gear 420 is rotatably mounted on the housing 100, one end of the second gear 420 is meshed with the first gear 410, the third gear 430 is meshed with the other end of the second gear 420, a screw hole is coaxially formed in the third gear 430 and coaxially sleeved on the screw rod section 310 via the screw hole, the screw hole is meshed with the screw rod section 310, the rotation driving member 440 is fixed on the housing 100, and an output end of the rotation driving member 440 is fixedly connected with the first gear 410, the conventional actuator adopts a worm and gear transmission mode, because the transmission efficiency of the worm and gear is relatively low (generally 20% -25%), the transmission efficiency of no spur gear is high (generally more than 85%), under the condition of the same input torque, the output efficiency of the spur gear is higher, the natural output torque can be larger, meanwhile, the tooth abrasion of the worm by the worm and gear, particularly the plastic worm, is larger, the driving mechanism 400 is driven by the spur gear, the output efficiency can be improved, the rotation driving member 440 can drive the first-stage gear 410 to rotate and drive the second-stage gear 420 to rotate, and then drive the third-stage gear 430 to rotate, so that the screw hole formed on the third-stage gear 430 is in threaded connection with the screw rod section 310 to drive the screw rod section 310 to axially move, thereby driving the push rod 300 to move along the axial direction.
As a preferred embodiment, referring to fig. 2, the second stage gear 420 includes a large gear 421 and a small gear 422, the large gear 421 is fixedly connected with the small gear 422 coaxially, the large gear 421 is meshed with the first stage gear 410, and the small gear 422 is meshed with the third stage gear 430, so that the second stage gear 420, the first stage gear 410 and the third stage gear 430 can be connected by way of a spur gear, thereby improving output efficiency.
As a preferred embodiment, referring to fig. 1 and 2, the cavity 110 includes a push rod cavity 111 for accommodating the push rod 300 and a motor cavity 112 for accommodating the rotation driving member 440, the width of the push rod cavity 111 is larger than the diameter of the push rod 300, and two sides of the limiting block 210 are slidably connected with the cavity wall of the push rod cavity 111, so that the limiting block 210 can be limited by the push rod cavity 111, and the situation that the limiting block 210 moves transversely in the process of moving along the axial direction is avoided.
As a preferred embodiment, please refer to fig. 1, the hidden door handle actuator further includes a pin 600, one end of the pin 600 is fixed in the motor cavity 112 and is electrically connected with the rotation driving member 440, the other end of the pin 600 extends out of the housing 100 and is used for connecting with a power supply, the conventional outer portion of the pin 600 is covered with a sheath, the sheath is assembled between the bottom shell 120 and the housing cover 130, a rubber ring is installed at the connection between the sheath and the housing 100, when the rubber ring is not pressed or broken, the assembly product has poor sealing performance, water enters the product, the mechanical properties of the product are affected, and the matching performance of the plastic assembly body is also affected by different environmental temperatures, such as softening and deformation caused by high temperature, which affects the sealing performance of the housing 100.
As a preferred embodiment, referring to fig. 2, the hidden door handle actuator further includes a sealing ring, where the sealing ring is disposed at the connection between the smooth section 320 and the housing 100, so as to improve the sealing performance.
As a preferred embodiment, referring to fig. 2, the hidden door handle actuator further includes two bearings 700, wherein the two bearings 700 are disposed opposite to each other on two sides of the third stage gear 430, and are used for the push rod 300 to pass through, so as to improve the transmission efficiency of the push rod 300.
As a preferred embodiment, referring to fig. 1, the housing 100 includes a bottom shell 120 and a cover 130, the cavity 110 is disposed on the bottom shell 120, the cover 130 is fixedly disposed on the bottom shell 120, and the cover 130 and the bottom shell 120 are welded by laser for a whole circle, so as to achieve extremely high tightness.
For better understanding of the present utility model, the following details of the working principle of the technical solution of the present utility model are described with reference to fig. 1 to 2:
When the hidden door handle needs to be popped out, the rotation driving piece 440 is controlled to drive the first-stage gear 410 to rotate and drive the second-stage gear 420 to rotate and then drive the third-stage gear 430 to rotate, so that the screw hole formed in the third-stage gear 430 and the screw joint of the screw rod section 310 can drive the screw rod section 310 to move along the axial direction and further drive the push rod 300 to move along the axial direction, the extension length of the push rod 300 can be gradually increased, the push rod 300 can drive the door handle to slowly pop out from a vehicle body, and the push rod 300 can be prevented from being in threaded connection with the shell 100 due to the fact that the push rod 300 is guided and limited by the limiting block 210, the problem that a thread groove is formed in the inner side wall of the shell 100 is avoided, the problem that the thread on the inner side wall of the shell 100 is worn is avoided, and the service life of the whole actuator can be prolonged.
The hidden door handle actuator provided by the utility model has the following beneficial effects:
(1) The shock-absorbing block 510 is made of rubber, and can play a role in relieving the impact between the stopper 210 and the housing 100 when the stopper is retracted, so as to protect the housing 100 from being damaged;
(2) The traditional actuator adopts a worm and gear transmission mode, because the transmission efficiency of the worm and gear is lower (generally 20% -25%), the transmission efficiency of no spur gear is high (generally more than 85%), under the condition of the same input torque, the output efficiency of the spur gear is higher, the natural output torque can be larger, meanwhile, the tooth abrasion of the worm and gear to the worm is larger, particularly the plastic worm, the driving mechanism 400 is driven by the spur gear, and the output efficiency can be improved;
(3) The push rod 300 guides and limits the movement of the push rod through the limiting block 210, so that the push rod 300 is prevented from being in threaded connection with the shell 100, the problem that a thread groove is formed in the inner side wall of the shell 100 is avoided, the problem that threads on the inner side wall of the shell 100 are worn is avoided, and the service life of the whole actuator can be prolonged.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any of various other corresponding changes and modifications made according to the technical idea of the present utility model should be included in the scope of the claims of the present utility model.
Claims (10)
1. A concealed door handle actuator, comprising:
A housing having a cavity;
The limiting piece is arranged in the cavity in a sliding manner and can move along the axial direction;
The push rod is arranged in the cavity along the moving direction of the limiting piece, one end of the push rod is rotationally clamped with the limiting piece, and the other end of the push rod rotationally extends out of the shell;
The driving mechanism is connected with the push rod and used for driving the push rod to reciprocate along the axial direction so as to adjust the extension length of the push rod.
2. The hidden door handle actuator of claim 1, wherein the stop member is a stop block, the stop block has a first side and a second side that are disposed opposite to each other, and one end of the push rod is rotationally clamped to the first side of the stop block.
3. The hidden door handle actuator of claim 2, further comprising an elastic member disposed in the cavity and located at the second side of the stopper, wherein an end of the elastic member away from the stopper is connected to a wall of the cavity, and an end of the elastic member adjacent to the stopper is configured to abut against the second side of the stopper.
4. A hidden door handle actuator according to claim 3 wherein said resilient member is a damper block, said damper block being made of rubber material.
5. The concealed door handle actuator of claim 4 wherein the push rod has a lead screw section proximal to the stop and a smooth section distal to the stop, the drive mechanism being coupled to the lead screw section, the smooth section rotatably extending out of the housing.
6. The hidden door handle actuator according to claim 5, wherein the driving mechanism is disposed in the cavity, the driving mechanism includes a first gear, a second gear, a third gear and a rotation driving member, the first gear is rotatably mounted on the housing, the second gear is rotatably mounted on the housing, one end of the second gear is meshed with the first gear, the third gear is meshed with the other end of the second gear, a screw hole is coaxially formed in the third gear, and is coaxially sleeved on the screw rod section through the screw hole, the screw hole is meshed with the screw rod section, the rotation driving member is fixed on the housing, and an output end of the rotation driving member is fixedly connected with the first gear.
7. The concealed door handle actuator of claim 6 wherein the second stage gear comprises a large gear and a small gear, the large gear being fixedly connected coaxially with the small gear, the large gear being meshed with the first stage gear, the small gear being meshed with the third stage gear.
8. The concealed door handle actuator of claim 7 wherein the cavity includes a pushrod cavity for receiving the pushrod and a motor cavity for receiving the rotary drive member, the pushrod cavity having a width greater than a diameter of the pushrod, both sides of the stopper slidably coupled to a cavity wall of the pushrod cavity.
9. The concealed door handle actuator of claim 8, further comprising a pin having one end fixed in the motor cavity and electrically connected to the rotary drive member, and having another end extending out of the housing and configured to be connected to a power source.
10. The concealed door handle actuator of claim 5 further comprising a seal ring disposed at a junction of the smooth section and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710139.2U CN220979145U (en) | 2023-10-09 | 2023-10-09 | Concealed door handle actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710139.2U CN220979145U (en) | 2023-10-09 | 2023-10-09 | Concealed door handle actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979145U true CN220979145U (en) | 2024-05-17 |
Family
ID=91066555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322710139.2U Active CN220979145U (en) | 2023-10-09 | 2023-10-09 | Concealed door handle actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979145U (en) |
-
2023
- 2023-10-09 CN CN202322710139.2U patent/CN220979145U/en active Active
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| GR01 | Patent grant | ||
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