CN110725631A - Electric opening and closing device for automobile luggage compartment door - Google Patents
Electric opening and closing device for automobile luggage compartment door Download PDFInfo
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- CN110725631A CN110725631A CN201911201331.0A CN201911201331A CN110725631A CN 110725631 A CN110725631 A CN 110725631A CN 201911201331 A CN201911201331 A CN 201911201331A CN 110725631 A CN110725631 A CN 110725631A
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- box body
- gear
- motor
- base box
- automobile
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000009467 reduction Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/71—Toothed gearing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/548—Trunk lids
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
An electric opening and closing device for a luggage compartment door of an automobile comprises a motor, a transmission supporting mechanism, a base box body and a base end cover, wherein the transmission supporting mechanism is installed on the base box body, one end of a screw rod of the transmission supporting mechanism extends into a gear transmission chamber and is circumferentially fixed with a driven gear, an internal thread at one end of a hollow nut rod is in threaded fit with the screw rod, the other end of the hollow nut rod is fixedly connected with a free end connector, a spiral spring is sleeved outside the hollow nut rod, one end of the spiral spring is connected with the free end connector, the other end of the spiral spring is connected with the base box body, the base box body is provided with a longitudinal extension part parallel to the transmission supporting mechanism, a motor is installed in a first cavity of the longitudinal extension part, a controller is installed in a second cavity of the longitudinal extension part, the controller is electrically connected with the motor, an output shaft of the motor extends into the, the base end cover covers the gear transmission chamber, and the fixed end joint is arranged on the base end cover.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to an electric opening and closing device for an automobile trunk door.
Background
Along with the improvement of life quality of people, the requirements on comfort and convenience in use of the automobile are gradually improved, and the opening/closing mode of the automobile trunk door is gradually developed into an intelligent electric trunk door opening and closing system from a single mode of manually opening/closing the automobile trunk door by manpower so as to improve the comfort and the convenience in use of the automobile trunk.
In the practical development of the electric trunk door opening and closing system, the limitation is caused by the space of the automobile body, the trunk door opening and closing system is required to occupy a small space of the automobile body, that is, the smaller the volume of the electric trunk door opening and closing system is, the better the electric trunk door opening and closing system is, but the supporting structure for supporting the opening of the trunk door is required to have certain strength, generally, the higher the supporting strength is, the larger the same material volume is, the higher the supporting strength is, the contradiction between the small volume required by the trunk door opening and closing system limited by the automobile body and the large volume required by the high supporting strength is caused, and a scheme is required to be found to solve the problem that the trunk door opening; on the other hand, the opening and closing system of the automobile trunk is required to be convenient to assemble and maintain in a car factory and after sale, and the product development and production cost is high due to the complicated structure of the opening and closing system of the automobile trunk, so that the opening and closing system is inconvenient to popularize and apply; secondly, the electric luggage compartment door opening and closing system should have good operation comfort.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an electric opening and closing device for a trunk door of an automobile, which integrates a transmission support mechanism, a motor and a controller into a whole, can reduce the occupied space of an electric opening and closing system of the trunk door of the automobile, reduces the parts and the wiring harness of an automobile body of the electric opening and closing system of the trunk door of the automobile and reduces the cost and the difficulty of the wiring design of the automobile body.
The technical scheme of the invention is as follows:
the electric opening and closing device for the automobile luggage compartment door comprises a motor, a transmission supporting mechanism, a base box body and a base end cover, wherein a gear transmission chamber is arranged at one end of the base box body, the transmission supporting mechanism is installed on the base box body, one end of a screw rod of the transmission supporting mechanism extends into the gear transmission chamber and is supported on the base box body through a bearing, a driven gear is positioned in the gear transmission chamber and is circumferentially fixed with the screw rod, a hollow nut rod with a stepped hole as an inner hole is sleeved on the screw rod, an inner thread is arranged on the inner wall of a small-diameter hole at one end of the hollow nut rod and is in threaded fit with the screw rod, the inner wall of a large-diameter hole of the hollow nut rod is a smooth section, a slide block is arranged at the extending end of the screw rod and is in sliding fit with the inner wall of the smooth section of the hollow nut rod, a free, the other end of the base box body is connected with a base box body, the other end of the base box body is provided with a longitudinal extension part which is parallel to the transmission supporting mechanism, the longitudinal extension part is provided with a first cavity and a second cavity, the first cavity and the second cavity are parallel, a motor is arranged in the first cavity, a controller is arranged in the second cavity and is electrically connected with the motor, an output shaft of the motor extends into the gear transmission chamber, a driving gear is arranged on the output shaft of the motor, power is transmitted between the driving gear and a driven gear through a reduction gear, the reduction gear is a duplicate gear, a large-diameter gear of the duplicate gear is meshed with the driving gear, a small-diameter gear of the duplicate gear is meshed with the driven gear, the base end cover covers the gear transmission chamber and is fixedly connected with the base box body, a fixed end joint is arranged on the base end cover, and the first cavity and the second cavity are covered by the, the chamber end cover is fixedly connected with the longitudinal extension part of the base box body.
The controller comprises an integrated circuit board integrated with a control circuit, the integrated circuit board is fixed in the second chamber and electrically connected with an interface, and the interface is fixed in a mounting hole formed in the chamber end cover.
The integrated circuit board is characterized in that a clamping groove is formed in the inner side wall of the second cavity, a guide inclined plane is arranged at the inlet end of the clamping groove, and the integrated circuit board is inserted into the clamping groove to be fixed.
The motor is electrically connected with the controller through the connector assembly.
The integrated circuit board comprises a singlechip used for processing and operation, a motor driving circuit used for driving a motor, a door lock driving circuit used for driving a door lock, and a Hall signal loop used for collecting Hall signals.
And a Hall sensor chip is arranged at the tail part of the motor.
The axial through hole of the hollow nut rod is a stepped hole, the inner wall of a small-diameter hole of the stepped hole is provided with an internal thread which is in threaded fit with the screw, the inner wall of a large-diameter hole is a smooth section, and the end of the large-diameter hole of the hollow nut rod is fixedly connected with the free end connector.
The internal thread at one end of the hollow nut rod is provided with a multi-start thread, and the thread helix angle of the hollow nut rod and the screw is 15-30 degrees.
The base box body is provided with a first spring fixing seat, the free end joint is provided with a second spring fixing seat, and two ends of the spiral spring are fixedly connected with the first spring fixing seat and the second spring fixing seat respectively.
The first spring fixing seat is fixedly connected to a bearing seat arranged on the base box body, and the second spring fixing seat and the free end connector are integrally formed.
The invention has the following advantages:
1. the transmission supporting mechanism, the motor and the controller are integrated into a whole through the base box body and the base end cover, the controller is installed on the automobile body without redistribution space, the occupied space of an automobile luggage compartment electric opening and closing system of the automobile body is reduced, and the design of the automobile body structure is optimized.
2. With transmission supporting mechanism, motor, controller through base box body, base end cover integration in an organic whole, can reduce the outside radiant quantity of wire pencil, eliminate mixed and disorderly wire pencil, be favorable to the rule of wire pencil, the wire quantity is few, reduction in production cost improves the electromagnetic compatibility ability of the electronic switching system of luggage compartment.
3. Pass through base box body, base end cover integration with transmission supporting mechanism, motor, controller in an organic whole, during the installation of vehicle manufacture factory, only need be connected the wire of accuse in the connection with the controller can, need not to connect switching mechanism again, vehicle manufacture factory need not install the controller alone in addition yet, can improve the work efficiency of equipment, convenient maintenance, still can save the controller and the fixed mounting screw of door to and automobile body pencil, reduce vehicle manufacturing cost.
4. The transmission supporting mechanism, the motor and the controller are integrated into a whole through the base box body and the base end cover, and the controller box is manufactured without opening a die additionally, so that the production cost can be reduced.
5. The electric opening and closing device for the automobile luggage compartment door can control opening and closing of the luggage compartment door through the motor, and can also adopt manual pushing and pulling to complete opening and closing of the luggage compartment door, and is convenient for a user to operate.
Drawings
FIG. 1 is a schematic sectional view of an electric opening/closing device for a trunk door of an automobile according to the present invention;
FIG. 2 is an isometric view of the electric device for opening and closing the trunk door of an automobile according to the present invention;
FIG. 3 is a schematic diagram of a controller;
FIG. 4 is a schematic view of a base cartridge.
Detailed Description
As shown in fig. 1, the electric opening and closing device for a trunk door of an automobile of the present invention includes a motor 1, a transmission support mechanism 5, a base box 3, and a base cover 10. The one end of base box body 3 is equipped with gear drive room 9, transmission supporting mechanism 5 installs on base box body 3, and screw rod 5c one end of transmission supporting mechanism 5 stretches into in gear drive room 9 and supports on base box body 3 through bearing 14, screw rod 5c and bearing 14 complex position are equipped with the spacing step of axial, can restrict screw rod 5c axial float. A driven gear 7 is located in the gear drive chamber 9 and is connected to the screw 5c in a fixed circumferential manner. A hollow nut rod 5d with a stepped hole as an inner hole is sleeved on a screw rod 5c, an inner thread is arranged on the inner wall of a small-diameter hole at one end of the hollow nut rod 5d and is in threaded fit with the screw rod 5c, the inner wall of a large-diameter hole 5e of the hollow nut rod 5d is a smooth section, a sliding block 5h is arranged at the extending end of the screw rod 5c and is in sliding fit with the inner wall of the smooth section of the hollow nut rod 5d, the sliding block 5h is in a circular ring shape, the sliding block 5h is axially positioned and sleeved at the end of the extending end of the screw rod 5c, the sliding block 5h can guide the hollow nut rod 5d, and can ensure that the hollow nut rod 5d keeps coaxial with the screw rod. The other end of the hollow nut rod 5d is fixedly connected with a free end joint 12, and the free end joint 12 is used for being hinged with a hinge seat arranged on a vehicle body or a luggage compartment door through a pin shaft. The end of the hollow nut rod 5d of the present embodiment is provided with an external thread and is fixed to the free end joint 12 by a thread connection, but of course, the free end joint 12 and the hollow nut rod 5d may be fixed by welding or riveting. A helical spring 13 is sleeved outside the hollow nut rod 5d, one end of the helical spring 13 is fixedly connected with the free end joint 12, and the other end of the helical spring is fixedly connected with the base box body 3. Be equipped with first spring fixing base 15 on the base box body 3, be equipped with second spring fixing base on the free end joint 12, coil spring 13's both ends respectively with first spring fixing base 15, second spring fixing base fixed connection. First spring fixing base 15 is on base box body 3 on the bearing frame 3g that integrated into one piece was equipped with through screw-thread fit fixed connection, second spring fixing base and free end joint 12 integrated into one piece, the outer periphery of two spring fixing bases all is provided with spiral groove, the both ends of coil spring 13 form screw-thread fit fixed with two spring fixing bases respectively, make coil spring 13 can not break away from the spring fixing base, make coil spring 13 can produce the pulling force moment when the linear motion is done to hollow nut pole 5d of transmission supporting mechanism 5, come the gravity moment of balanced door weight through the pulling force moment of spring and the motion resistance moment of each driving medium inside the switching mechanism. The other end of the base box body 3 is provided with a longitudinal extension part 3a parallel to the transmission supporting mechanism 5, the longitudinal extension part 3a is provided with a first cavity 3b and a second cavity 3c, the first cavity 3b and the second cavity 3c are parallel, a motor 1 is installed in the first cavity 3b, a controller 2 is installed in the second cavity 3c, the controller 2 is electrically connected with the motor 1, the motor 1 of the embodiment is electrically connected with the controller 2 through a connector assembly 4, the connection between the motor 1 and the controller 2 is rapid and convenient, and the replacement convenience of the motor 1 and the controller 2 during maintenance is facilitated. An output shaft of the motor 1 extends into the gear transmission chamber 9, a driving gear 8 is arranged on the output shaft of the motor 1, and power is transmitted between the driving gear 8 and the driven gear 7 through a reduction gear 6. The reduction gear 6 is a duplicate gear which is in sliding fit with a shaft supported on the base box body 3 and the base end cover 10, a large-diameter gear of the duplicate gear is meshed with the driving gear 8, and a small-diameter gear of the duplicate gear is meshed with the driven gear 7. The base end cover 10 covers the gear transmission chamber 9 and is fixedly connected with the base box body 3, the base end cover 10 is provided with a fixed end connector 11, and the fixed end connector 11 is used for being hinged with a hinge seat arranged on a luggage compartment door or a vehicle body through a pin shaft. The first and second chambers 3b, 3c are covered by a chamber end cap 3f, and the chamber end cap 3f is fixedly connected to the longitudinal extension 3a of the base housing 3 d. The cavity end cover 3f is provided with an elastic clip 3h, the two sides of the longitudinal extension part 3a of the base box body 3d are provided with clamping holes 3e, and the elastic clip 3h on the cavity end cover 3f is clamped in the clamping holes 3e of the base box body 3d to form clamping fixation; or, the chamber end cover 3f is fixedly connected with the base box body 3d through a screw. By adopting the structure, the transmission supporting mechanism 5, the motor 1 and the controller 2 are integrated on the base box body 3, so that the electric opening and closing device of the automobile luggage compartment door forms an integral structure, when the electric opening and closing device is installed on an automobile, the controller 2 is connected with a power line and a signal line for controlling in connection only by hinging the free end connector 12 and the fixed end connector 11 with the automobile body and the luggage compartment door through pin shafts, and the installation is completed, so that the electric opening and closing device is extremely simple and convenient to install.
The axial through hole of hollow nut pole 5d is the shoulder hole, and the minor diameter hole inner wall of this shoulder hole sets up internal thread and screw rod 5c screw-thread fit, and major diameter hole 5e inner wall is smooth section, and the major diameter hole end and the free end joint 12 fixed connection of hollow nut pole 5d, the major diameter hole end outer wall of the hollow nut pole 5d of this embodiment sets up the external screw thread, and free end joint 12 sets up the internal thread, and free end joint 12 passes through threaded connection with hollow nut pole 5d fixedly. The internal thread at one end of the hollow nut rod 5d is a multi-start thread, and the thread helix angle of the hollow nut rod 5d and the screw rod 5c is 15-30 degrees. The screw rod 5c is matched with the hollow nut rod 5d in a threaded mode and does not form self-locking, and the luggage compartment door can be opened or closed through driving of the motor 1 and can be opened or closed manually. When the motor 1 is adopted to drive and realize the electric opening/closing of the luggage compartment door, the motor 1 drives the screw rod 5c to rotate, the hollow nut rod 5d cannot rotate, and the hollow nut rod 5d converts the forward/reverse rotation motion of the screw rod 5c into the linear extension or contraction motion of the hollow nut rod 5d, so that the electric opening/closing of the luggage compartment door can be completed; when the luggage compartment door is opened or closed manually, the hollow nut rod 5d is driven by the luggage compartment door to do linear motion to push the screw rod 5c to rotate, and because the motor 1 does not work, the screw rod 5c rotates to drive the motor 1 to idle through the gear transmission mechanism, and the hollow nut rod 5d does extension or shortening motion to open or close the luggage compartment door manually.
As shown in fig. 1 to 3, the controller 2 includes an integrated circuit board 2a integrated with a control circuit, and an interface 2b, the integrated circuit board 2a is fixed in a second chamber 3c of the base case 3, the integrated circuit board 2a is electrically connected to the interface 2b, and the interface 2b is fixed in a mounting opening provided on a chamber end cover 3f in a snap-fit manner. The interface 2b is inserted with the interfaces of the power line and the signal line, and the installation is simple and rapid. The integrated circuit board 2a comprises a singlechip used for processing and operation, a motor driving circuit used for driving a motor, a door lock driving circuit used for driving a door lock, and a Hall signal loop used for collecting Hall signals. The motor is controlled by the motor driving circuit to work, the screw 5c of the transmission supporting mechanism 5 is driven to rotate to drive the hollow nut rod 5d to move in a stretching mode, and the luggage compartment door is opened or closed. The rear part of the motor 1 is provided with a Hall sensor chip which is connected with a Hall signal loop signal on the integrated circuit board 2a through a connector assembly 4, the rotation angle of the motor is converted into an electric signal, the rotation angular displacement of the motor is calculated through the single chip microcomputer, and stroke and speed feedback is provided for controlling the opening and closing of the luggage compartment door. The door lock driving circuit controls a door lock driving motor arranged on the trunk door to work and drives the door lock to unlock or lock.
Preferably, a clamping groove 3d is formed in the inner side wall of the second cavity 3c, a guide inclined plane is arranged at the inlet end of the clamping groove 3d, and the integrated circuit board 2a is inserted into the clamping groove 3d to be fixed, so that the assembly is convenient and rapid, and the assembly is firm.
The working state of the invention is as follows:
(1) electric opening or closing process of luggage compartment door
The electric opening and closing system of the automobile trunk is powered on through an interface 2b of the controller 2, door opening/closing signals are input, after the signals are subjected to operation processing by a single chip microcomputer of the controller 2, the door lock is checked and driven to be unlocked, then a loop of the motor is driven to work, the motor 1 is driven to rotate forwards or reversely, the rotation of the motor 1 is transmitted to a driven gear 7 on a screw rod 5c through a driving gear 8 and a reduction gear 6 to drive the screw rod 5c to rotate, the screw rod 5c drives a hollow nut rod 5d to do linear motion, the hollow nut rod 5d is driven to do linear telescopic motion, and therefore the trunk door is pushed to be opened, or the trunk door is pulled to be closed. In the working process of the motor 1, the Hall sensor chip sends out Hall pulses, the Hall pulses record the number of the pulses through the controller 2, when the number of the Hall pulses reaches a preset number, the Hall pulses are processed through a single chip microcomputer of the controller, the driving circuit of the controller 2 is stopped to work, the luggage compartment door reaches a set position, in the opening and closing process of the luggage compartment door, the gravity moment of the weight of the vehicle door is balanced through the pulling moment of the spiral spring 13 and the movement resistance moment of each transmission piece inside the opening and closing mechanism, and the luggage compartment door is stopped and kept at the preset opening/closing position.
(2) Manual opening or closing process of luggage compartment door
When the luggage compartment door is opened or closed manually, the controller 2 can be not electrified, the luggage compartment door is pushed and pulled by hand, the hollow nut rod 5d of the transmission supporting mechanism 5 is extended or shortened, the internal thread at one end of the hollow nut rod 5d is a multi-start thread, the thread helix angle of the hollow nut rod 5d and the screw rod 5c is 15-30 degrees, the screw rod 5c is matched with the thread of the hollow nut rod 5d and does not form self-locking, the hollow nut rod 5d is driven by the luggage compartment door to do linear motion to push the screw rod 5c to rotate, and the motor 1 does not work, so that the screw rod 5c rotates to drive the motor 1 to idle through the gear transmission mechanism, and the manual opening or closing of the door is realized. In the opening and closing process of the luggage compartment door, the gravity moment of the weight of the vehicle door is balanced by the pulling moment of the spiral spring 13 and the movement resistance moment of each transmission piece in the opening and closing mechanism, so that the manual opening and closing of the luggage compartment door is light in operating force and comfortable to operate.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The electric opening and closing device for the automobile luggage compartment door comprises a motor and is characterized by further comprising a transmission supporting mechanism, a base box body and a base end cover, wherein a gear transmission chamber is arranged at one end of the base box body, the transmission supporting mechanism is installed on the base box body, one end of a screw rod of the transmission supporting mechanism extends into the gear transmission chamber and is supported on the base box body through a bearing, a driven gear is located in the gear transmission chamber and is circumferentially fixed with the screw rod, a hollow nut rod with a stepped hole in an inner hole is sleeved on the screw rod, an inner thread is arranged on the inner wall of a small-diameter hole at one end of the hollow nut rod and is in threaded fit with the screw rod, the inner wall of a large-diameter hole of the hollow nut rod is a smooth section, a sliding block is arranged at the extending end of the screw rod and is in sliding fit with the inner wall of the smooth section of the hollow nut rod, a, the other end of the base box body is connected with a base box body, the other end of the base box body is provided with a longitudinal extension part which is parallel to the transmission supporting mechanism, the longitudinal extension part is provided with a first cavity and a second cavity, the first cavity and the second cavity are parallel, a motor is arranged in the first cavity, a controller is arranged in the second cavity and is electrically connected with the motor, an output shaft of the motor extends into the gear transmission chamber, a driving gear is arranged on the output shaft of the motor, power is transmitted between the driving gear and a driven gear through a reduction gear, the reduction gear is a duplicate gear, a large-diameter gear of the duplicate gear is meshed with the driving gear, a small-diameter gear of the duplicate gear is meshed with the driven gear, the base end cover covers the gear transmission chamber and is fixedly connected with the base box body, a fixed end joint is arranged on the base end cover, and the first cavity and the second cavity are covered by a cavity, the chamber end cover is fixedly connected with the longitudinal extension part of the base box body.
2. The electrical opening/closing device for a trunk door of an automobile as claimed in claim 1, wherein the controller comprises an ic board integrated with a control circuit, the ic board is fixed in the second compartment, the ic board is electrically connected to an interface, and the interface is fixed in a mounting hole provided in the end cover of the compartment.
3. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1 or 2, wherein a slot is provided on the inner sidewall of the second chamber, a guiding inclined plane is provided at the inlet end of the slot, and the integrated circuit board is inserted into the slot for fixing.
4. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein the motor is electrically connected to the controller through a connector assembly.
5. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein the integrated circuit board comprises a single chip for processing and operation, a motor driving circuit for driving a motor, a door lock driving circuit for driving a door lock, and a hall signal loop for collecting hall signals.
6. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein a hall sensor chip is provided at the rear of the motor.
7. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein the axial through hole of the hollow nut rod is a stepped hole, the inner wall of the small diameter hole of the stepped hole is provided with internal threads to be in threaded fit with the screw rod, the inner wall of the large diameter hole is a smooth section, and the large diameter hole end of the hollow nut rod is fixedly connected with the free end joint.
8. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein the internal thread at one end of the hollow nut rod is a multi-start thread, and the thread helix angle of the hollow nut rod and the screw is 15-30 degrees.
9. The electric opening and closing device for the trunk door of the automobile as claimed in claim 1, wherein a first spring fixing seat is provided on the base box body, a second spring fixing seat is provided on the free end joint, and two ends of the coil spring are respectively fixedly connected with the first spring fixing seat and the second spring fixing seat.
10. The electric opening and closing device for the trunk door of the automobile as claimed in claim 9, wherein the first spring fixing seat is fixedly connected to a bearing seat provided on the base box body, and the second spring fixing seat is integrally formed with the free end joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201331.0A CN110725631A (en) | 2019-11-29 | 2019-11-29 | Electric opening and closing device for automobile luggage compartment door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201331.0A CN110725631A (en) | 2019-11-29 | 2019-11-29 | Electric opening and closing device for automobile luggage compartment door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110725631A true CN110725631A (en) | 2020-01-24 |
Family
ID=69225834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201331.0A Pending CN110725631A (en) | 2019-11-29 | 2019-11-29 | Electric opening and closing device for automobile luggage compartment door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110725631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764780A (en) * | 2020-07-29 | 2020-10-13 | 深圳市集力传动技术有限公司 | Embedded mechanism of windowing |
-
2019
- 2019-11-29 CN CN201911201331.0A patent/CN110725631A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764780A (en) * | 2020-07-29 | 2020-10-13 | 深圳市集力传动技术有限公司 | Embedded mechanism of windowing |
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