CN107476700B - Electric single-opening inward swinging door - Google Patents

Electric single-opening inward swinging door Download PDF

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Publication number
CN107476700B
CN107476700B CN201710853437.3A CN201710853437A CN107476700B CN 107476700 B CN107476700 B CN 107476700B CN 201710853437 A CN201710853437 A CN 201710853437A CN 107476700 B CN107476700 B CN 107476700B
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CN
China
Prior art keywords
door
unlocking
teeth
motor
cylinder
Prior art date
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Active
Application number
CN201710853437.3A
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Chinese (zh)
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CN107476700A (en
Inventor
位云成
史旭东
俎文凯
黄东盛
张健
万磊
翟金龙
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Nanjing Kangni Mechanical and Electrical Co Ltd
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Nanjing Kangni Mechanical and Electrical Co Ltd
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Application filed by Nanjing Kangni Mechanical and Electrical Co Ltd filed Critical Nanjing Kangni Mechanical and Electrical Co Ltd
Priority to CN201710853437.3A priority Critical patent/CN107476700B/en
Publication of CN107476700A publication Critical patent/CN107476700A/en
Application granted granted Critical
Publication of CN107476700B publication Critical patent/CN107476700B/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
    • B60J10/84—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the vehicle body
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • 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
    • E05Y2201/696—Screw mechanisms
    • 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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/44—Sensors not directly associated with the wing movement
    • E05Y2400/445—Switches
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/25—Emergency conditions
    • E05Y2800/252—Emergency conditions the elements functioning only in case of emergency
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/41—Physical or chemical protection against finger injury
    • 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
    • E05Y2900/531—Doors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention discloses an electric single-opening inner swinging door which comprises a door shaft, a door leaf rotating along with the door shaft and a driving device for driving the door shaft to rotate, wherein the driving device comprises a motor, a worm and gear speed reducer driven by the motor, an embedded clutch, an unlocking cylinder and an unlocking connecting mechanism, the embedded clutch comprises inner teeth, outer teeth and an elastic element, the inner teeth are in transmission connection with the worm and gear speed reducer, the outer teeth are in coaxial transmission with the door shaft, the unlocking cylinder comprises a cylinder push rod, one end of the unlocking connecting mechanism is in contact with the end part of the cylinder push rod, and the other end of the unlocking connecting mechanism is connected with the inner teeth; when the unlocking cylinder enters air, the cylinder push rod pushes the unlocking connecting mechanism, and the unlocking connecting mechanism drives the inner teeth to be meshed with the outer teeth and compresses the elastic element; when the unlocking cylinder exhausts, the internal teeth are separated from the external teeth under the action of the resilience force of the elastic element. The invention has the advantages of few parts, simple structure, small volume, good adaptability, more reliable locking and good mechanism stability.

Description

Electric single-opening inward swinging door
Technical Field
The invention relates to a door driving device of an urban public transport vehicle, in particular to an electric single-opening inward swinging door.
Background
The existing bus and bus inner swing door driving device generally adopts a coupler or a crank connecting rod to realize the transmission of a cylinder and a door shaft, and has low transmission efficiency, high power, no energy conservation and environmental protection; in addition, two doors of some door systems must be linked, and in emergency, if one door is blocked, the other door cannot be opened, so that great potential safety hazards are caused, and a driver cannot know the fault position and the reason when in fault, so that inconvenience is caused for fault maintenance and recovery. In addition, the existing swing door sometimes clamps passengers when the door is closed, and the existing swing door is usually provided with sealing rubber strips at the closed position, so that the passengers are difficult to rapidly take off in an emergency state due to tight sealing when the existing swing door clamps the passengers, and if the vehicle clamps fingers or other objects, the vehicle can not take measures and continues to run continuously, so that great accident risk is brought. In order to prevent such accidents, some swing doors are prone to have poor sealing after being used due to the arrangement defects of sealing rubber strips, so that resistance is caused to both vehicle operation and the environment in a vehicle, and the swing doors are low in safety and not attractive in appearance.
In addition, the existing inner swing door driving device has the defects of more parts, low stability, complex structure, large volume, large occupied air duct space and small application range, and the mechanism for locking and unlocking by partially adopting the air cylinder has low reliability and low utilization efficiency of the air cylinder; the connection mode reliability of the driving mechanism and the upright post is poor, and the switch which is in place when the position switch is opened is integrated with the position switch, so that the debugging and the maintenance are not facilitated.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the invention aims to provide the electric single-opening inward swinging door which has higher transmission efficiency, small volume and easy maintenance.
The technical scheme is as follows: an electric single-opening inner swing door comprises a door shaft, a door leaf rotating along with the door shaft and a driving device for driving the door shaft to rotate, wherein the driving device comprises a motor, a worm and gear reducer driven by the motor, an embedded clutch, an unlocking cylinder and an unlocking connecting mechanism, the embedded clutch comprises inner teeth, outer teeth and an elastic element, the inner teeth are in transmission connection with the worm and gear reducer, the outer teeth are in coaxial transmission with the door shaft, the unlocking cylinder comprises a cylinder push rod, one end of the unlocking connecting mechanism is in contact with the end part of the cylinder push rod, and the other end of the unlocking connecting mechanism is connected with the inner teeth; when the unlocking cylinder enters air, the cylinder push rod pushes the unlocking connecting mechanism, and the unlocking connecting mechanism drives the inner teeth to be meshed with the outer teeth and compresses the elastic element; when the unlocking cylinder exhausts, the internal teeth are separated from the external teeth under the resilience force of the elastic element.
Further, the worm gear and worm reducer comprises a worm gear and a worm which are in transmission connection, the worm is connected with the power output end of the motor, and the worm gear and the inner teeth of the embedded clutch are in coaxial transmission.
Furthermore, unblock coupling mechanism includes the fork body, and the fork body includes fork claw and fork axle, and articulated on the fork claw have rotatable sliding ring, and the sliding ring passes through the spline and is connected with the internal tooth, and the end contact of fork axle and cylinder push rod.
Furthermore, the worm gear reducer is installed in the shell, a shifting fork support used for supporting is connected to the fork shaft, the shifting fork support is fixed to the top of the shell, the embedded clutch is fixed to the installation plate through a bearing seat, and the shell of the worm gear reducer is connected with the bearing seat.
Furthermore, the device also comprises a door controller, a switch assembly is arranged on the bearing seat, and a travel switch shifting ring is arranged on the external teeth; when the door is closed in place, the travel switch ring triggers the switch assembly, and the switch assembly sends a closing in-place signal to the door controller.
Furthermore, the motor is a planetary gear motor, the motor is connected with a motor hall switch, the motor hall switch detects a position signal of the motor and transmits the position signal to the door controller in real time, the door controller also monitors the current change of the motor, and the door controller judges whether the door leaf is in resistance or not in the door closing process according to the position signal and the current change of the motor and controls the driving device to drive the door leaf to change the motion state when the door leaf is in resistance.
Further, the embedded clutch is a jaw clutch, and the elastic element is a rectangular spring.
The finger protection rubber strip comprises a main body part, one end of the main body part extends to the door seam and extends out of an outer sealing lip edge, the other end of the main body part extends to the door seam and extends out of a sealing corner part, the end part of the sealing corner part is bent inwards and extends out of an inner sealing lip edge, the outer sealing lip edge and the sealing corner part are connected with the main body part through a connecting bone, a cavity is formed by the connecting bone, the outer sealing lip edge and the main body part, and a cavity is also formed by the connecting bone, the sealing corner part and the main body part.
Has the advantages that: the driving device adopts a modular design, has few parts, simple structure, convenient assembly, small volume and good adaptability, all the parts are assembled on the mounting plate, the mounting plate can be fixed on the vehicle body through the transition support, and the vehicle body with different structures can be adapted by changing the transition support. The embedded clutch is adopted, so that unlocking is convenient and reliable; the cylinder is adopted to realize locking and unlocking, so that remote emergency unlocking of a driver can be met; the worm gear reducer is adopted, so that the self-locking function is realized, and the whole-course locking can be realized; the invention adopts current detection to automatically change the motion state when meeting a resistance, can effectively prevent extrusion, has whole-process detection, sensitivity and reliability and has very high safety. The spline shaft is connected with the upright post, so that torque transmission is reliable and maintenance is convenient; the finger protection adhesive tape adopts a novel sealing structure, so that passengers can not be injured by clamping, and can be conveniently drawn back in time, the safety is high, and the appearance is attractive.
Drawings
FIG. 1 is a schematic view of a drive device of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a cross-sectional view of the dog clutch;
FIG. 4 is a cross-sectional view of a worm gear reducer;
FIG. 5 is a schematic view of the fork body;
FIG. 6 is a schematic view of a motor;
FIG. 7 is a schematic structural view of a left-opening electric single-opening inner swing door;
FIG. 8 is a schematic structural view of a right-opening electric single-opening inner swing door;
figure 9 is a schematic view of a finger care strip.
Detailed Description
The technical solution is described in detail below with reference to a preferred embodiment and the accompanying drawings.
As shown in fig. 1 and 2, an electric single-opening inward swinging door comprises a door shaft, a door leaf rotating along with the door shaft, and a driving device for driving the door shaft to rotate, wherein the driving device is used for driving the inward swinging door to open/close the door and comprises a planetary gear motor, a worm and gear reducer driven by a motor 1, an embedded clutch 2, an unlocking cylinder 3, an unlocking connection mechanism and a door controller, the embedded clutch 2 comprises a tooth-embedded clutch, a tooth-shaped clutch and the like, and the embedded clutch 2 is a tooth-embedded clutch in the embodiment.
As shown in fig. 3, the jaw clutch is fixed on the mounting plate 9 through the bearing seat 8, specifically, the bearing seat 8 is fixed on the mounting plate 9 through a screw, the jaw clutch includes an internal tooth 201, an external tooth 202 and an elastic element 12, the internal tooth 201 is in transmission connection with the worm gear reducer, the external tooth 202 is connected with the door shaft of the inner swing door through a spline shaft, and is in coaxial transmission with the door shaft of the inner swing door.
The outer teeth 202 are provided with deep groove ball bearings, shaft retaining rings and hole retaining rings, the outer teeth 202 are radially positioned through the matching of the two deep groove ball bearings, and the shaft retaining rings, the hole retaining rings, shaft shoulders on the outer teeth 202 and the deep groove ball bearings are axially positioned.
The unlocking cylinder 3 comprises a cylinder push rod 301, one end of the unlocking connecting mechanism is in contact with the end part of the cylinder push rod 301, and the other end of the unlocking connecting mechanism is connected with the inner teeth 201; when the unlocking cylinder 3 is used for air intake, the cylinder push rod 301 pushes the unlocking connecting mechanism, and the unlocking connecting mechanism drives the inner teeth 201 to be meshed with the outer teeth 202 and compresses the elastic element 12; when the unlock cylinder 3 is exhausted, the internal teeth 201 are disengaged from the external teeth 202 by the resilient force of the elastic member 12, which is a rectangular spring in this embodiment 12.
As shown in fig. 4, the worm gear reducer comprises a worm wheel 4 and a worm 5 which are in transmission connection, and the lead angle of the meshing of the worm wheel 4 and the worm 5 is less than 3.5 degrees, so that the worm gear reducer has a self-locking function and can realize full-range locking at any position (namely any position in the rotating process of a door shaft) in the opening and closing process; meanwhile, a low-power motor can drive a large load, and high transmission efficiency is guaranteed.
The worm 5 is connected with the power output end of the motor 1, and the worm wheel 4 is in coaxial transmission with the internal teeth 201 of the jaw clutch. The worm gear reducer is installed in the housing 7, a fork shaft 602 is connected with a fork support 604 for supporting, and the fork support 604 is fixed on the top of the housing 7. The housing 7 of the worm gear reducer is connected with a bearing seat 8.
As shown in fig. 5, in the present embodiment, the unlocking connection mechanism adopts a fork body 6 structure, the fork body 6 includes a fork 601 and a fork shaft 602, a rotatable slip ring 603 is hinged on the fork 601, the slip ring 603 is connected with the internal teeth 201 through a spline, and the fork shaft 602 contacts with an end of the cylinder push rod 301.
Specifically, the method comprises the following steps: when the unlocking cylinder 3 is charged, the cylinder push rod 301 pushes the fork shaft 602 of the shifting fork body 6 upwards, the fork shaft 602 moves upwards, so that the fork claw 601 moves downwards, and the fork claw 601 drives the inner teeth 201 to downwards engage with the outer teeth 202 and compress the rectangular spring; when the unlock cylinder 3 is exhausted, the internal teeth 201 are disengaged from the external teeth 202 by the resilient force of the rectangular spring.
The bearing seat 8 is also provided with a switch assembly 10, the external teeth 202 are provided with a travel switch shifting ring 11, and the travel switch shifting ring 11 is arranged on the external teeth 202 of the clutch through a set screw; when the door is closed in place, the travel switch ring 11 triggers the switch assembly 10, and the switch assembly 10 sends a closing in place signal to the door controller.
As shown in fig. 6, the planetary gear motor further includes a flange, the motor 1 is connected to a motor hall switch, the motor hall switch detects a position signal of the motor and transmits the position signal to the door controller in real time, the door controller also monitors a current change of the motor, the door controller judges whether the door leaf is blocked or not in the door closing process according to the position signal and the current change of the motor, and controls the driving device to drive the door leaf to change the motion state when the door leaf is blocked; and a microswitch is arranged at the position where the inner swinging door is opened in place, the microswitch is connected with a gate controller, and the gate controller judges whether the door is opened in place or not according to the current signal and the microswitch signal.
The overall schematic diagram of the invention is shown in fig. 7 and 8, and comprises a left-opening electric single-opening inward swinging door and a right-opening electric single-opening inward swinging door, and the working principles are consistent, namely the working principle during door opening/closing/emergency unlocking is as follows:
1. electric door opening:
when the door is in a closed state, the unlocking cylinder 3 is used for air intake, the cylinder push rod 301 pushes the fork shaft 602 of the shifting fork body 6 upwards, the fork shaft 602 moves upwards, so that the fork claw 601 moves downwards, and the fork claw 601 drives the inner teeth 201 to downwards mesh with the outer teeth 202 and compress the rectangular spring; the planetary gear motor rotates in the positive direction to drive the meshed worm 5 and worm wheel 4 to drive the internal teeth 201 connected with the worm wheel 4 in a spline manner and the external teeth 202 meshed with the internal teeth to rotate; the external teeth 202 drive the door shaft connected with the spline to rotate, so that the upright column rotates, and the door leaf executes the door opening action along with the rotation of the upright column.
2. Electric door closing:
when the door is in an open state, the unlocking cylinder 3 is filled with air, the cylinder push rod 301 pushes the fork shaft 602 of the shifting fork body 6 upwards, the fork shaft 602 moves upwards, so that the fork claws 601 move downwards, and the fork claws 601 drive the inner teeth 201 to downwards mesh with the outer teeth 202 and compress the rectangular spring; the planetary gear motor rotates reversely to drive the engaged worm 5 and worm wheel 4 to drive the internal teeth 201 connected with the spline of the worm wheel 4 and the external teeth 202 engaged with the internal teeth to rotate; the external teeth 202 drive the door shaft connected with the spline to rotate, so that the upright column rotates, and the door leaf performs the door closing action along with the rotation of the upright column.
After the door is closed in place, the travel switch shifting ring 11 arranged on the outer teeth 202 through the set screw triggers the switch assembly 10 to transmit a closing in-place signal to the door controller, the door controller controls the motor 1 to stop running, the motor 1 is automatically locked, and the door closing action is completed.
3. Emergency unlocking and manual door opening:
when the door is in a closed state, the emergency unlocking device is operated to exhaust the unlocking cylinder 3, the cylinder piston rod retracts, the inner teeth 201 are separated from the outer teeth 202 under the action of the resilience force of the rectangular spring and become a disengaged state, and the door leaf is manually operated to finish the door opening action.
4. Manually closing the door:
when the door is in an open state, the emergency unlocking device is operated to exhaust the unlocking cylinder 3, the cylinder piston rod retracts, the inner teeth 201 are separated from the outer teeth 202 under the resilience force of the rectangular spring, the state is changed into a separation meshing state, and the door leaf is manually operated to finish the door closing action.
In addition, as shown in fig. 9, the finger-protecting rubber strip of the present invention is shown in a plan view, and in actual use, the finger-protecting rubber strip shown in the figure can be mounted on a single-opening inner swing door, and a rubber strip symmetrical to the center is matched to achieve a sealing effect, and the rubber strip symmetrical to the center can be mounted on a vehicle body beside a door leaf.
The finger bead includes a main body portion 131, one end (i.e., the upper end in the figure) of the main body portion 131 of the finger bead extends beyond the outer sealing lip 132 toward the door seam, and the other end (i.e., the lower end in the figure) of the main body portion 131 extends beyond the sealing corner portion 133 toward the door seam. Both ends of the main body 131 extend toward the door panel to form door panel lips 138 covering the glass bonding surface of the door panel.
The end of the sealing corner portion 133 is bent inward and extends out of an inner sealing lip 134, the outer sealing lip 132 and the sealing corner portion 133 are connected with the main body portion 131 through a connecting bone, a cavity is enclosed between the connecting bone and the outer sealing lip 132 as well as the main body portion 131, and a cavity is also enclosed between the connecting bone and the sealing corner portion 133 as well as the main body portion 131.
The connecting bones include a main connecting bone 135 connected to the main body portion 131, and an outer connecting bone 136 and a corner connecting bone 137 extending from the main connecting bone 135, the outer connecting bone 136 being connected to the outer sealing lip 132, and the corner connecting bone 137 being connected to the sealing corner portion 133.
The main body 131 has a through hole at the center thereof, and the main body 131 is provided with a connection portion for assembling with a door panel at a contact portion with the door panel.
When the double-open inner swing door is closed, the outer sealing lip edge 132 of the finger protection rubber strip is adjacent to the sealing corner part 133 of the rubber strip connected to the vehicle body, the outer sealing lip edge 132 of the rubber strip connected to the vehicle body is adjacent to the sealing corner part 133 of the finger protection rubber strip, the inner sealing lip edge 134 of the finger protection rubber strip is adjacent to the inner sealing lip edge 134 of the rubber strip connected to the vehicle body, in the embodiment, the outer sealing lip edge 2 of the finger protection rubber strip is in interference fit with the sealing corner part 133 of the rubber strip connected to the vehicle body, the outer sealing lip edge 132 of the rubber strip connected to the vehicle body is in interference fit with the sealing corner part 133 of the finger protection rubber strip, and the inner sealing lip edge 134 of the finger protection rubber strip is in interference fit with the inner sealing lip edge 134 of the rubber strip connected to the vehicle body so as to achieve a better sealing effect.
The total width of the structure of the finger-protecting rubber strip and the rubber strip connected to the vehicle body is less than 90mm. If a door system is closed, the finger protection rubber strip cavity can be compressed, smaller obstacle detection can be realized due to the fact that the distance between the rubber strip cavities connected to the left vehicle body is smaller, and the width of the smallest obstacle detection object is 10mm; after the smaller barrier is clamped, the cavity is compressed, so that clamping injury can be avoided, and the barrier can be easily drawn out.
The above is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention, and such modifications and adaptations are intended to be within the scope of the invention.

Claims (6)

1. The electric single-opening inward swinging door is characterized by comprising a door shaft, a door leaf rotating along with the door shaft and a driving device for driving the door shaft to rotate, wherein the driving device comprises a motor (1), a worm gear reducer driven by the motor (1), a mosaic type clutch (2), an unlocking cylinder (3) and an unlocking connecting mechanism, the worm gear reducer comprises a worm wheel (4) and a worm (5) which are in transmission connection, the worm (5) is connected with the power output end of the motor (1), and the worm wheel (4) and the inner teeth (201) of the mosaic type clutch (2) are in coaxial transmission; the embedded clutch (2) comprises internal teeth (201), external teeth (202) and an elastic element (12), the internal teeth (201) are in transmission connection with the worm and gear reducer, the external teeth (202) are in coaxial transmission with a door shaft, the unlocking cylinder (3) comprises a cylinder push rod (301), one end of the unlocking connection mechanism is in contact with the end portion of the cylinder push rod (301), and the other end of the unlocking connection mechanism is connected with the internal teeth (201); the unlocking connecting mechanism comprises a shifting fork body (6), the shifting fork body (6) comprises a fork claw (601) and a fork shaft (602), a rotatable sliding ring (603) is hinged to the fork claw (601), the sliding ring (603) is connected with the inner teeth (201) through a spline, and the fork shaft (602) is in contact with the end part of the cylinder push rod (301); when the unlocking cylinder (3) enters air, the cylinder push rod (301) pushes the unlocking connecting mechanism, and the unlocking connecting mechanism drives the inner teeth (201) to be meshed with the outer teeth (202) and compresses the elastic element (12); when the unlocking cylinder (3) exhausts, the internal teeth (201) are separated from the external teeth (202) under the action of the resilience force of the elastic element (12).
2. The electric single-opening inward swinging door as claimed in claim 1, characterized in that the worm gear reducer is installed in the housing (7), a fork support (604) for supporting is connected to the fork shaft (602), the fork support (604) is fixed on the top of the housing (7), the embedded clutch (2) is fixed on the mounting plate (9) through a bearing seat (8), and the housing (7) of the worm gear reducer is connected with the bearing seat (8).
3. The electric single-opening inward swinging door as claimed in claim 2, characterized by further comprising a door controller, wherein the bearing seat (8) is further provided with a switch assembly (10), and the external teeth (202) are provided with a travel switch shifting ring (11); when the door is closed in place, the travel switch shifting ring (11) triggers the switch component (10), and the switch component (10) sends a closing in place signal to the door controller.
4. The electric single-opening inward swinging door as claimed in claim 3, wherein the motor (1) is a planetary gear motor, the motor (1) is connected with a motor Hall switch, the motor Hall switch detects a position signal of the motor and transmits the position signal to the door controller in real time, the door controller also monitors the current change of the motor, and the door controller judges whether the door leaf is blocked or not in the door closing process according to the position signal and the current change of the motor and controls the driving device to drive the door leaf to change the motion state when the door leaf is blocked.
5. An electric single-opening inner swing door according to claim 1, characterized in that the embedded clutch (2) is a jaw clutch and the elastic element (12) is a rectangular spring.
6. The electric single-opening inner swing door according to claim 1, characterized by further comprising a finger protection rubber strip, wherein the finger protection rubber strip comprises a main body part (131), one end of the main body part (131) extends out of the outer sealing lip (132) towards the door gap, the other end of the main body part (131) extends out of the sealing corner part (133) towards the door gap, the end of the sealing corner part (133) is bent inwards and extends out of the inner sealing lip (134), the outer sealing lip (132) and the sealing corner part (133) are both connected with the main body part (131) through connecting bones, the outer sealing lip (132) and the main body part (131) define a cavity, and the connecting bones, the sealing corner part (133) and the main body part (131) also define a cavity.
CN201710853437.3A 2017-09-20 2017-09-20 Electric single-opening inward swinging door Active CN107476700B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710853437.3A CN107476700B (en) 2017-09-20 2017-09-20 Electric single-opening inward swinging door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710853437.3A CN107476700B (en) 2017-09-20 2017-09-20 Electric single-opening inward swinging door

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Publication Number Publication Date
CN107476700A CN107476700A (en) 2017-12-15
CN107476700B true CN107476700B (en) 2022-12-27

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN107386860B (en) * 2017-09-20 2023-02-17 南京康尼机电股份有限公司 Driving device for inner swing door
CN111456583B (en) * 2020-04-10 2021-07-02 北京吉时开启智能科技有限公司 Fire-fighting linkage high-temperature induction double-safety automatic smoke exhaust window

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CN104533201A (en) * 2015-01-12 2015-04-22 梁志坚 Electric rotary shaft device of side hung door of shower room
CN105041099A (en) * 2015-08-28 2015-11-11 无锡锡民交通设施有限公司 Emergency device of inner electric swinging door
CN205000802U (en) * 2015-08-28 2016-01-27 无锡锡民交通设施有限公司 Electronic headstock gear of inner swing door
CN106677658A (en) * 2017-01-24 2017-05-17 南京康尼机电股份有限公司 Electric double open inner swing door
CN207583163U (en) * 2017-09-20 2018-07-06 南京康尼机电股份有限公司 One kind is electronic singly to open inner swing door

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN104533201A (en) * 2015-01-12 2015-04-22 梁志坚 Electric rotary shaft device of side hung door of shower room
CN105041099A (en) * 2015-08-28 2015-11-11 无锡锡民交通设施有限公司 Emergency device of inner electric swinging door
CN205000802U (en) * 2015-08-28 2016-01-27 无锡锡民交通设施有限公司 Electronic headstock gear of inner swing door
CN106677658A (en) * 2017-01-24 2017-05-17 南京康尼机电股份有限公司 Electric double open inner swing door
CN207583163U (en) * 2017-09-20 2018-07-06 南京康尼机电股份有限公司 One kind is electronic singly to open inner swing door

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