CN211923868U

CN211923868U - Car door lock suction device

Info

Publication number: CN211923868U
Application number: CN201922480691.0U
Authority: CN
Inventors: 周明甫; 马耀辉; 杨彦东; 蔡桥洪; 魏程; 张昊
Original assignee: Zhejiang Xinheng Electric Technology Co ltd
Current assignee: Zhejiang Xinheng Electric Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-13
Anticipated expiration: 2029-12-31

Abstract

The utility model aims at providing a car door lock actuation ware of small volume. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile door lock actuation ware, includes the casing, be equipped with driving motor, reduction gears and take-up reel in the casing, the take-up reel is rotatable in the casing, the take-up reel is fixed with the one end of acting as go-between, and the other end of acting as go-between passes the casing and extends to outside the casing, and driving motor drives the take-up reel rotation in order to realize tightening up or loosening of acting as go-between, reduction gears is planetary reduction gears, the take-up reel is coaxial setting and the linkage with planetary reduction gears's sun gear.

Description

Car door lock suction device

Technical Field

The utility model relates to an automobile door lock actuation ware.

Background

In the self-closing door lock of the automobile, a common combination mode is a structure of a lock body and suction, and the suction of a door of the automobile is completed to a certain degree through the door lock by the transmission of an internal structure of the suction device. The suction device part comprises a motor, a clutch, a worm, a turbine, an output tooth, a take-up reel and other parts.

The current mainstream suction device usually adopts a structure with a large transmission ratio of a large motor single-head worm in order to provide a large enough suction force, and has the defects that the single-head worm has self-locking property and cannot meet the requirements under specific requirements, and a mechanical clutch is added in a conventional method for solving the self-locking problem, so that the suction device with the overlarge volume is further enlarged in size, and the defects are more highlighted; the biggest defects of the traditional suction device are large in size and high in cost.

Disclosure of Invention

The utility model aims at providing a car door lock actuation ware of small volume.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile door lock actuation ware, includes the casing, be equipped with driving motor, reduction gears and take-up reel in the casing, the take-up reel is rotatable in the casing, the take-up reel is fixed with the one end of acting as go-between, and the other end of acting as go-between passes the casing and extends to outside the casing, and driving motor drives the take-up reel rotation in order to realize tightening up or loosening of acting as go-between, reduction gears is planetary reduction gears, the take-up reel is coaxial setting and the linkage with planetary reduction gears's sun gear.

The utility model realizes the transmission of large torque by arranging the planetary reduction mechanism, so that a driving motor with smaller power and smaller volume can be adopted; simultaneously because the dish sets up with planet reduction gears's sun gear is coaxial, can further shorten the transmission chain to further reduce the utility model discloses a volume.

Preferably, a worm and gear structure is arranged between the output shaft of the driving motor and the planetary reduction mechanism, the worm and gear structure comprises a worm and a worm wheel, the worm and the output shaft of the driving motor are coaxially arranged, and the worm wheel and the sun wheel are coaxially arranged. The volume of the utility model is further reduced under the condition of ensuring the transmission of large torque.

Preferably, the planetary reduction mechanism is a one-stage or multi-stage planetary reduction mechanism, the winding roll is fixed to a final-stage planetary frame plate of the planetary reduction mechanism, the center of the final-stage planetary frame plate extends to the side far from the sun wheel to form a fixed column, the winding roll is provided with a central hole and is sleeved on the fixed column, and the outer wall of the fixed column is in key fit with the central hole of the winding roll. The arrangement is used for realizing the linkage of the winding roll and the planetary speed reducing mechanism; the outer wall of the fixing column is provided with a spline with a plum blossom-shaped section, and the shape of the inner edge of the central hole of the winding roll is the same as that of the outer edge of the spline.

Wherein, through setting up the take-up reel in the casing to spacing the axial that realizes the take-up reel through the casing is spacing. Wherein, the winding roll is not fixed with the final sun gear, so that the utility model has a simpler structure. The spline has good matching precision, and the stress is more uniform when the winding roll rotates.

Preferably, the worm is a multi-start worm, so that a non-self-locking worm and gear structure is formed between the worm wheel and the worm. The aforesaid sets up so that the utility model discloses need not set up the separation and reunion, the volume is littleer.

Preferably, the end fixing of acting as go-between has the fixed head of acting as go-between, take-up reel circumference outer wall indent is in order to be formed with the holding tank that is used for holding the fixed head of acting as go-between, the holding tank rotates the direction along the take-up reel and extends, be equipped with the fixed slot that runs through one side axial terminal surface at least on the take-up reel, take-up reel circumference outer fringe department is equipped with the open slot, open slot width is less than fixed slot maximum width, and the open slot runs through take-up reel one side axial terminal surface and communicates. The arrangement realizes the connection and fixation of the stay wire and the winding roll. Wherein, can be through the setting of casing itself in order to realize the spacing of acting as go-between fixed head to avoid acting as go-between fixed head to deviate from in the holding tank of take-up reel.

Preferably, the outer edge of the cross section of the stay wire fixing head is circular, and the end part of the stay wire is connected with the circumferential outer wall of the stay wire fixing head.

Preferably, the fixing groove and the opening groove penetrate through axial end faces of two sides of the winding roll.

Preferably, the winding roll is provided with at least two holding grooves matched with at least two pull wires, one pull wire is matched with one holding groove, and the holding grooves are arranged at intervals along the axial direction of the winding roll.

Preferably, a plurality of control switches are arranged on the circumferential side of the winding roll or the planet carrier plate of the planetary speed reducing mechanism, the control switches are used for controlling the start and/or stop of the driving motor, positioning protrusions extend from the outer wall of the winding roll or the outer wall of the planet carrier plate to the circumferential outer side, and the winding roll or the planet carrier plate rotates to enable the positioning protrusions to be in contact with or separated from contact ends of the control switches; or the outer wall of the winding roll/the outer wall of the planet carrier plate are sunken towards the inner side in the circumferential direction to form a yielding groove, and the winding roll or the planet carrier plate rotates to enable the contact end of the control switch to enter the yielding groove or be separated from the yielding groove.

One pull wire can be matched with two control switches, one control switch is used for determining the starting position of the winding roll, and the other control switch is used for determining the end position of the winding roll; when not needing the utility model discloses the actuation back is carried out to the actuator, through the control switch with the protruding or cooperation in order to realize the reseing of take-up reel of groove of stepping down in location. Or one pull wire can be matched with one control switch, the initial position of the winding roll is determined through the control switch, and the starting and stopping of the driving motor are realized through other components arranged outside.

Preferably, the housing is fixed with a guide block, the guide block is provided with a through groove for the stay wire to pass through, the housing is fixed with a clamping plate, the clamping plate is provided with a clamping groove, the circumferential outer wall of the guide block is recessed inwards to form an annular groove used for matching with the clamping plate, and the width of the opening of the clamping groove is smaller than the inner diameter of the annular groove. The arrangement is convenient for the fixing of the guide block and the shell, so as to facilitate the arrangement and the guide of the stay wire. Wherein, the guide block can be made of plastic, rubber and other materials which can deform to a certain extent.

The utility model has the advantages of small volume, small motor and no need of setting mechanical clutch.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention with a portion of the housing removed;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is a schematic view of a portion of the housing of fig. 2 with portions broken away.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

Shown by fig. 1 to 5, the utility model discloses an automobile door lock actuation ware, including casing 1, be equipped with driving motor 2 in the casing 1, reduction gears and take-up reel 3, take-up reel 3 can rotate in casing 1, and take-up reel 3 is fixed with the one end of acting as go-between 11, and outside the other end of acting as go-between 11 passed casing 1 and extended to casing 1, driving motor 2 drove 3 rotations of take-up reel in order to realize tightening up or loosening of acting as go-between 11, and reduction gears is planet reduction gears 4, and take-up reel 3 and planet reduction gears 4's the coaxial setting of sun gear 41 and link.

A worm gear structure is arranged between the output shaft of the driving motor 2 and the planetary reduction mechanism, the worm gear structure comprises a worm 51 and a worm wheel 52, the worm 51 is coaxially arranged with the output shaft of the driving motor 2, and the worm wheel 52 is coaxially arranged with the sun wheel 41. The worm 51 is a multi-start worm, so that a non-self-locking worm and gear structure is formed between the worm wheel 52 and the worm 51.

The planetary reduction mechanism 4 of this embodiment is a two-stage planetary reduction mechanism, the winding roll 3 is fixed to the final planetary frame plate 42 of the planetary reduction mechanism, the center of the final planetary frame plate 42 extends to the side away from the sun wheel to form a fixed column 43, the winding roll 3 has a central hole and is sleeved on the fixed column 43, and the outer wall of the fixed column 43 is in key fit with the central hole of the winding roll 3. Wherein, the outer wall of the fixed column 43 is provided with a spline with a plum blossom-shaped section, and the shape of the inner edge of the central hole of the winding roll 3 is the same as the shape of the outer edge of the spline.

The end part of the stay wire 11 is fixed with a stay wire fixing head 12, the outer edge of the cross section of the stay wire fixing head 12 is circular, and the end part of the stay wire 11 is connected with the circumferential outer wall of the stay wire fixing head 12. 3 circumference outer wall indents of take-up reel are in order to be formed with holding tank 31 that is used for holding fixed head 12 of acting as go-between, and holding tank 31 rotates the direction along the take-up reel and extends and both ends meet in order to constitute circularly, is equipped with the fixed slot 32 that runs through relative both sides axial end face on the take-

up reel

3, and 3 circumference outer fringe departments of take-up reel are equipped with open slot 33, and open slot 33 width is less than fixed slot 32 maximum width, and open slot 33 runs through 3 relative both sides axial end faces of take-up reel and communicates with.

Two control switches 61 are arranged on the circumferential side of the last-stage planet carrier plate 42 of the planetary speed reducing mechanism, the control switches 61 are used for controlling the start and stop of the driving motor, the outer wall of the last-stage planet carrier plate 42 is sunken towards the circumferential inner side to form a yielding groove 62, and the last-stage planet carrier plate 42 rotates in an autorotation mode so that the contact end of the control switch 61 enters the yielding groove 62 or is separated from the yielding groove. By setting two control switches, the pull wire is prevented from being excessively tightened or excessively loosened.

Be fixed with guide block 13 on the casing 1, guide block 13 has the through groove that runs through for acting as go-between 11 to pass through, is fixed with cardboard 14 on the casing 1, is equipped with draw-in groove 15 on the

cardboard

14, and 13 circumference outer walls indents in order to be formed with the ring channel 16 that is used for cooperating cardboard 14 of guide block 13, and the width of draw-in groove 15 opening part is less than the internal diameter of ring channel 16. The guide block 13 of the present invention is made of plastic.

Claims

1. The utility model provides an automobile door lock actuation ware, its characterized in that includes the casing, be equipped with driving motor, reduction gears and take-up reel in the casing, the take-up reel is rotatable in the casing, the take-up reel is fixed with the one end of acting as go-between, and the other end of acting as go-between passes the casing and extends to outside the casing, and driving motor drives the rotation of take-up reel in order to realize tightening up or loosening of acting as go-between, reduction gears is planet reduction gears, the take-up reel is coaxial setting and linkage with planet reduction gears's sun gear.

2. An automobile door lock actuator according to claim 1, characterized in that a worm gear structure is arranged between the output shaft of the driving motor and the planetary reduction mechanism, the worm gear structure comprises a worm and a worm wheel, the worm and the output shaft of the driving motor are coaxially arranged, and the worm wheel and the sun wheel are coaxially arranged.

3. An automobile door lock actuator according to claim 1, characterized in that the planetary reduction mechanism is a one-stage or multi-stage planetary reduction mechanism, the winding roll is fixed to a final stage planetary carrier plate of the planetary reduction mechanism, the center of the final stage planetary carrier plate extends to the side away from the sun wheel to form a fixed column, the winding roll is provided with a central hole and is sleeved on the fixed column, and the outer wall of the fixed column is in key fit with the central hole of the winding roll; the outer wall of the fixing column is provided with a spline with a plum blossom-shaped section, and the shape of the inner edge of the central hole of the winding roll is the same as that of the outer edge of the spline.

4. An automobile door lock actuator according to claim 2, characterized in that the worm is a multi-start worm so that a non-self-locking worm and gear structure is formed between the worm and the worm.

5. The actuator of an automobile door lock according to claim 1, wherein the pull wire end is fixed with a pull wire fixing head, the outer circumferential wall of the winding roll is recessed inward to form a receiving groove for receiving the pull wire fixing head, the receiving groove extends in the rotation direction of the winding roll, the winding roll is provided with a fixing groove at least penetrating through the axial end surface of one side, the outer circumferential edge of the winding roll is provided with an opening groove, the width of the opening groove is smaller than the maximum width of the fixing groove, and the opening groove penetrates through the axial end surface of one side of the winding roll and is communicated with the receiving groove and the fixing groove.

6. An automobile door lock actuator according to claim 5, characterized in that the outer edge of the cross section of the stay wire fixing head is circular, and the end of the stay wire is connected with the circumferential outer wall of the stay wire fixing head.

7. The actuator of an automobile door lock according to claim 5, wherein the fixing groove and the opening groove both penetrate through axial end faces of both sides of the take-up reel.

8. An automobile door lock actuator according to claim 5, wherein the take-up reel is provided with at least two receiving grooves and is provided with at least two pull wires, one pull wire is engaged with one receiving groove, and the receiving grooves are arranged at intervals along the axial direction of the take-up reel.

9. The automobile door lock actuator according to claim 1 or 6, wherein a plurality of control switches are arranged on the circumferential side of the winding roll or the planetary frame plate of the planetary reduction mechanism, the control switches are used for controlling the start and/or stop of the driving motor, a positioning protrusion extends from the outer wall of the winding roll or the outer wall of the planetary frame plate to the circumferential outer side, and the winding roll or the planetary frame plate rotates to enable the positioning protrusion to be in contact with or separated from the contact end of the control switch;

or the outer wall of the winding roll/the outer wall of the planet carrier plate are sunken towards the inner side in the circumferential direction to form a yielding groove, and the winding roll or the planet carrier plate rotates to enable the contact end of the control switch to enter the yielding groove or be separated from the yielding groove.

10. An automobile door lock actuator according to claim 1, characterized in that the housing is fixed with a guide block, the guide block is provided with a through groove for passing the pull wire therethrough, the housing is fixed with a snap plate, the snap plate is provided with a snap groove, the circumferential outer wall of the guide block is recessed to form an annular groove for engaging with the snap plate, and the width of the opening of the snap groove is smaller than the inner diameter of the annular groove.