CN110344697B

CN110344697B - Electric pulley device and sliding door with same

Info

Publication number: CN110344697B
Application number: CN201910687553.1A
Authority: CN
Inventors: 傅海; 孟大军; 曹智惟
Original assignee: Shenzhen Paisuo Industrial Co ltd
Current assignee: Shenzhen Paisuo Industrial Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2024-06-11
Anticipated expiration: 2039-07-29
Also published as: CN110344697A

Abstract

The invention is suitable for the technical field of doors and windows, and discloses an electric pulley device and a sliding door with the same, wherein the electric pulley device comprises a pulley part, and the pulley part comprises a pulley frame and a pulley; the electric pulley device and the sliding door with the electric pulley device provided by the invention have the advantages that the electric pulley device can be used for the traditional sliding door, the size is small, the installation is simple and attractive, the pulley part is only contacted with a frame (track) when the pulley part works, the manual operation is not influenced, the electric pulley device is applicable to various scenes and various users, moreover, the electric pulley device does not bear load on the whole door fan, the power is low, the friction force is used for movement, the safety is superior to that of a belt transmission, the locking is difficult, and the use is convenient.

Description

Electric pulley device and sliding door with same

Technical Field

The invention belongs to the technical field of doors and windows, and particularly relates to an electric pulley device and a sliding door with the same.

Background

The current mainstream electric sliding door is complex to install, the structure protrudes out of the frame fan, if a program fault or power failure occurs, the sliding door can be blocked, and the use is inconvenient.

Disclosure of Invention

The invention aims at solving at least one of the technical problems, and provides an electric pulley device and a sliding door with the same, which have the advantages of small volume, simple installation, low power requirement, free switching between electric pushing and manual pushing, difficult blocking of the electric pulley of the sliding door and convenient use.

The technical scheme of the invention is as follows: an electric pulley device comprising a pulley assembly including a pulley frame and a pulley rotatably connected to the pulley frame for frictional contact with a rail; the electric pulley device further comprises a lifting driving part for driving the pulley part or the pulley to move to be in contact with the track and a pulley driving part for driving the pulley in the pulley part to rotate, wherein the lifting driving part is connected with the pulley part, and the pulley driving part is connected with the pulley part.

Specifically, an elastic piece is arranged between the lifting driving component and the pulley frame.

Specifically, the lifting driving component comprises a lifting driving arm and a sliding driving component for driving the lifting driving arm to slide, and the lifting driving arm is provided with a bevel which acts on the pulley component and lifts the pulley component.

Specifically, the side direction integrated into one piece of lift actuating arm has the slant protruding muscle, the inclined plane is including being located slant protruding muscle upper and lower inclined plane on both sides about, the pulley yoke has dislocation set's lower guide part and upper guide part about, upper inclined plane orientation in upper guide part, lower inclined plane orientation in lower guide part.

Specifically, the sliding driving assembly comprises a driving motor and a thrust nut, wherein the driving motor is connected with a screw rod, the driving motor is fixedly connected to the mounting plate through a motor fixing seat or directly, and the thrust nut is in threaded connection with the screw rod and is used for driving the lifting driving arm.

Specifically, an electric locking member for restricting the backward sliding of the lifting drive arm is provided at the rear end of the lifting drive arm.

Specifically, the electric locking part comprises a locking block capable of rotating up and down and a locking driving piece for driving the locking block to rotate.

Specifically, the front end of the locking block is a locking surface, the lifting driving arm is integrally provided with an extending part which can be propped against the locking surface, and the locking block is provided with a position avoiding groove for the extending part to enter; the locking driving piece is an electromagnet or a linear motor or a manual driving structure.

Specifically, the power component is a motor, and the transmission component comprises a worm driven by the motor, a worm wheel meshed with the worm, and a first gear coaxially and fixedly connected with the worm wheel.

Specifically, the electric pulley device further comprises a battery module and a control device which are connected to the mounting plate.

The invention also provides a sliding door, which is connected with the electric pulley device.

The electric pulley device and the sliding door with the same provided by the invention have the advantages that the electric pulley device can be used for the traditional sliding door, the size is small, the installation is simple and attractive, the pulley part of the power wheel part only works and contacts with the frame (track), the manual operation is not influenced, the electric pulley device is applicable to various scenes and various users, the whole door leaf is not loaded by the electric pulley device, the power is low, the battery is used for charging and circulating work, the installation and the wiring on the door leaf are convenient, the friction force is used for movement, the safety is superior to that of belt transmission, the locking is not easy, and the use is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an electric pulley device according to an embodiment of the present invention;

Fig. 2 is a schematic plan view of an electric pulley device (a sliding rail is separated from a track) according to an embodiment of the present invention;

fig. 3 is a schematic plan view of an electric pulley device (a sliding rail contacts a track) according to an embodiment of the present invention;

fig. 4 is a schematic plan view of an electric pulley device (a sliding rail contacts a track) according to an embodiment of the present invention;

Fig. 5 is a schematic plan view of an electric pulley device (a sliding rail is separated from a track) according to an embodiment of the present invention;

Fig. 6 is a schematic plan view of an electric pulley device according to an embodiment of the present invention;

Fig. 7 is an exploded perspective view of an electric pulley device according to an embodiment of the present invention;

Fig. 8 is a schematic plan view of an electric pulley device (a sliding rail contacts a track) according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of a portion of FIG. 8 at A;

Fig. 10 is an exploded perspective view of a pulley frame and a lifting drive arm in an electric pulley device according to an embodiment of the present invention;

FIG. 11 is an exploded perspective view of a lifting drive arm and locking block in an electric pulley assembly according to an embodiment of the present invention;

Fig. 12 is a schematic partial plan view of an electric pulley device applied to a sliding door according to an embodiment of the present invention;

fig. 13 is a schematic cross-sectional view of an electric pulley device applied to a sliding door according to an embodiment of the present invention.

Detailed Description

The present invention 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 invention 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 invention.

It should be noted that the terms "disposed" and "connected" should be construed broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through a central element or a central structure.

As shown in fig. 1 to 13, an embodiment of the present invention provides an electric pulley device, which is applied to a sliding door in this embodiment. The electric pulley device comprises a mounting plate 10 (i.e. a mounting bracket) and a pulley component 20 which can be lifted relative to the mounting plate 10, wherein the mounting plate 10 can be fixedly connected to a door leaf, and the electric pulley device can be integrally arranged in a track groove. The pulley member 20 may be coupled to the mounting plate 10 and slid along the door leaf track. The pulley component 20 comprises a pulley frame 21 (a pulley frame of a driving wheel) and a pulley 22 (a power wheel, which can be a PU wheel in specific application, namely, the wheel body part can be made of PU material) which is rotatably connected with the pulley frame 21 and is used for being in friction contact with a track; the electric pulley device further comprises a lifting driving part 30 for driving the pulley part 20 to lift relative to the mounting plate 10 and a pulley driving part 40 for driving the pulley 22 in the pulley part 20 to rotate, wherein the pulley part 20 is connected with the mounting plate 10, the lifting driving part 30 is connected with the mounting plate 10 and the pulley part 20, and the pulley driving part 40 is connected with the mounting plate 10 and the pulley part 20. When energized, the elevation drive member 30 can drive the pulley member 20 to rise so that the pulley 22 can be brought into contact with the rail. When the power is off (including the situations of active power off and accidental power off), the pulley part 20 descends, the pulley 22 is separated from the track, manual push-pull is not affected, and the use is convenient.

Specifically, the lifting driving member 30 is provided with an elastic member 51 or an elastic member 51 is provided between the lifting driving member 30 and the pulley frame 21, and the elastic member 51 may be used as an accumulator, and when the track is uneven, the lifting position of the pulley member 20 may be automatically adjusted by compressing the elastic member 51. The elastic member 51 may be a metal coil spring or the like.

Specifically, the lifting driving member 30 includes a lifting driving arm 31 and a sliding driving assembly 32 for driving the lifting driving arm 31 to slide, and the lifting driving arm 31 is provided with a slope that acts on the pulley member 20 and lifts and lowers the pulley member 20. The lifting driving arm 31 can slide reciprocally under the action of the sliding driving assembly 32, and the sliding direction of the lifting driving arm 31 can be perpendicular to the lifting direction of the pulley frame 21 corresponding to the upward or downward sliding of the driving pulley component 20.

Specifically, the lifting driving arm 31 is integrally formed with an oblique rib 311 in a lateral direction, the oblique surface includes an upper oblique surface 3112 and a lower oblique surface 3111 disposed on upper and lower surfaces of the oblique rib 311, the pulley frame 21 has a lower guide portion 211 and an upper guide portion 212 disposed in a vertically offset manner, the upper oblique surface 3112 faces the upper guide portion 212, and the lower oblique surface 3111 faces the lower guide portion 211. The inclined convex rib 311 protrudes laterally from the lifting driving arm 31. The lower guide portion 211 has one side of the body of the pulley frame 21 and the other side connected to a side plate 213, and one end of the upper guide portion 212 is connected to the side plate 213, and the upper guide portion 212 may have a cylindrical shape.

Specifically, the sliding driving assembly 32 includes a driving motor 322 connected with a screw 321 and a thrust nut block 323, the driving motor 322 is fixedly connected to the mounting plate 10 through a motor fixing seat 324 or directly, the thrust nut block 323 is in threaded connection with the screw 321 on the driving motor 322 and is used for driving the lifting driving arm 31, in this embodiment, the thrust nut block 323 can push the lifting driving arm 31 to move forward, so that the lifting driving arm 31 can be hung at a certain position, and is disconnected with the thrust nut block 323, or the lifting driving arm 31 can be connected to the thrust nut block 323 through an elastic piece 51 or directly. The lifting drive arm 31 moves horizontally and the lower inclined surface 3111 presses the sliding surface (lower guide 211), so that the drive wheel pulley frame (pulley frame 21) moves vertically downward and the drive wheel pulley frame (pulley frame 21) descends. The lifting drive arm 31 moves horizontally and the upper inclined surface 3112 presses the slide column (upper guide 212) to move the drive wheel pulley frame vertically upward, and the drive wheel pulley frame (pulley frame 21) rises. A cushion pad 36 may be provided between the thrust nut block 323 and the lifting drive arm 31. The lifting drive arm 31 may be provided with a guide bar slot through which a guide screw 37 may pass and be connected to the mounting plate 10.

Specifically, an electric locking member 60 for limiting the backward sliding of the lifting driving arm 31 is provided at the rear end of the lifting driving arm 31, and after the lifting driving arm 31 moves forward (the pulley member 20 has been lifted up), the electric locking member 60 can limit the backward sliding of the lifting driving arm 31, so that the pulley 22 in the pulley member 20 is reliably contacted with the rail (as shown in fig. 4 and 8). The electrically powered locking member 60 may be fixedly attached to the mounting plate 10.

Specifically, the electric locking member 60 includes a locking block 61 rotatable up and down, and a locking driving member 62 for driving the locking block 61 to rotate. The locking block 61 may be rotatably coupled to the mounting plate 10 or the motor fixing base 324. The lock actuator 62 may be coupled to the mounting plate 10.

Specifically, the front end of the locking block 61 is a locking surface 611, and the locking block 61 may be an L-shaped arm. The lifting driving arm 31 is integrally provided with an extension 311 capable of abutting against the locking surface 611, and the locking block 61 is provided with a clearance groove 612 for the extension 311 (extension arm) to enter; the locking driving member 62 is an electromagnet, a linear motor, a manual driving structure, or the like, and the manual driving structure may be a mechanical structure such as a button. During locking, the locking block 61 rotates under the suction of the electromagnet (locking driving member 62) to make the locking surface 611 prop against the tail ends of the extending arm extending parts 311 on the two sides of the lifting driving arm 31, and the lifting driving arm 31 is prevented from retreating (as shown in fig. 4, 8 and 11). The electromagnet is powered off, including active power off or passive (accident) power off, the suction force disappears, under the thrust action of the spring (elastic piece 51), the tail ends of the extending arms on the two sides of the lifting driving arm 31 can push the locking block 61 to a horizontal state, and the extending arms (extending parts 311) continue to move backwards through the avoidance grooves 612 in the locking block 61.

Specifically, the power component of the pulley driving component 40 is a motor 41, the transmission component includes a worm wheel pulley frame 42, a worm 43 driven by the motor 41, a worm wheel 44 meshed with the worm 43, and a first gear 45 coaxially and fixedly connected with the worm wheel 44, and a thrust bearing may be sleeved at the end of the worm 43. The worm wheel 44 and the first gear 45 may be connected via a first connecting shaft 461, the first gear 45, the worm wheel 44, and the worm 43 may be rotatably disposed in the worm wheel pulley frame 42, and the first connecting shaft 461 may be rotatably connected to the worm wheel pulley frame 42. The worm wheel pulley frame 42 may be fixedly connected to the mounting plate 10, that is, the motor drives the worm 43, the worm 43 drives the worm wheel 44 and the first gear 45 to rotate, and the first gear 45 may be a spur gear.

Specifically, the pulley member 20 has a pulley transmission gear set, the pulley driving member 40 includes a power member and a transmission member connected to the power member, the transmission member includes a second gear 47, and the second gear 47 may be a spur gear. The first gear 45 is meshed with the second gear 47, and a swinging rod 48 is connected between the first gear 45 and the second gear 47, the swinging rods 48 are respectively positioned at two sides of the first gear 45 and the second gear 47, and two ends of the first connecting shaft 461 penetrate through the swinging rods 48 and are rotatably connected to the mounting plate 10. One end of the swinging rod 48 is rotatably connected to the first gear 45 through a first connecting shaft 461, the other end of the swinging rod 48 is rotatably connected to the second gear 47 through a second connecting shaft 462, the second gear 47 can rotate around the first gear 45 within a certain range and keep engaged with power transmission, and the second gear 47 can keep engaged with power transmission when the pulley member 20 is lifted.

Specifically, the pulley 22 is provided with one or at least two groups, and each group of pulley 22 includes at least two elastic pulleys coaxially disposed and respectively connected to two ends of the first rotating shaft 491, and the elastic pulleys may be PU wheels or rubber wheels. The middle part of the first rotating shafts 491 is fixedly sleeved with a first transmission gear 492, namely, the middle part of each first rotating shaft 491 is fixedly connected with the first transmission gear 492, two ends of each first rotating shaft 491 are connected with PU wheels, and the first rotating shafts 491 are rotatably connected with the pulley frames 21. A second transmission gear 493 is disposed between adjacent first rotating shafts 491, the second transmission gear 493 is rotatably connected to the pulley frame 21 through a second rotating shaft 494, and the second transmission gear 493 is meshed with the first transmission gears 492 on the first rotating shafts 491 on both sides; the second gear 47 is engaged with one of the first transmission gear 492 or the second transmission gear 493, so that the power output of the motor can be still transmitted to the pulley 22 by the swing of the swing link and the second gear 47 when the pulley member 20 is lifted. Bearings may be sleeved on both ends of the first rotating shaft 491 and the second rotating shaft 494.

Specifically, the output shaft of the motor 41 is connected to a third transmission gear 495, the worm 43 is connected to a fourth transmission gear 496, and the third transmission gear 495 is meshed with the fourth transmission gear 496. The third transfer gear 495 and the fourth transfer gear 496 may each be spur gears.

Specifically, the electric pulley device further includes a battery module 71 and a control device 72. The battery module 71 may be a lithium battery or the like. The battery module 71 may be rechargeable, and the control device 72 may be connected to the battery module 71 and the lock driver 62 (electromagnet), the lift driving member 30 (motor), and the pulley 22 driving portion (motor). The control device 72 or the battery module 71 may be provided with a charging interface for charging the battery in the battery module 71. Or the charging interface is positioned at one end of the door leaf, and the electric pulley device is connected with a power interface arranged on the door frame after running to a locking position, so that the charging state is maintained. In particular applications, the control device 72 may set status indicators and/or charge indicators. The control device 72 may be optionally provided with a wired control module or a wireless control module, or may be optionally provided with a motion sensing control module or a human body sensing control module, which is more convenient for the user to operate and use.

It will be appreciated that the number and configuration of pulleys 22 described above is illustrative only, and that the current two-set 2 x2 arrangement may be single or 2*1 or 1*2, depending on the driving friction required for the particular application. The driving and transmission structure can be designed according to actual conditions.

In a specific application, the driving motor 322 connected with the screw 321 drives the thrust nut block 323 and pushes the lifting driving arm 31 to move forwards, the driving wheel pulley frame shell (pulley frame 21) is extruded by a spring, downward pressure is kept by the inclined surface of the lifting driving arm 31, and the friction force between the pu wheel (power wheel) and the track surface can be adjusted even if the contact surface at the bottom of the track is uneven under the action of the spring. During the entire lowering of the drive wheel carriage, the first gear 45 and the second gear 47 remain engaged by the rotation of the rocking lever, causing the entire gear system of the drive wheel carriage and the worm wheel 44 carriage to transmit motion. The locking block 61 is sucked under the operation of the electromagnet, the front end of the L-shaped arm is propped against the tail end of the lifting driving arm 31 to keep locking force, the screw motor is reversed, and the thrust nut block 323 is retracted to the initial position. Then, a motor (main motor) of the power component works to drive the power wheel to rotate through the worm gear and the gear set, so that electric push-pull of the door leaf is realized. After the main motor stops running, the electromagnet is powered off, under the action of the spring, the lifting driving arm 31 retreats, and the driving wheel pulley frame is pulled to ascend through the inclined plane, so that the power wheel is separated from the track surface, and manual push-pull is not affected.

The mounting plate 10, the battery module 71 and the control device 72 can be used as a base part to be mounted and fixed relative to the door leaf profile, the pulley 22 can generate displacement relative to the base part, and the pulley 22 can generate friction force with a track in a certain displacement range to drive the electric pulley device and the door leaf profile to integrally move relative to the track in the horizontal direction.

In particular applications, the pulley carriage 21 in the base portion may be a gear box, or it may be a solution where there is sufficient space to drive the pulley 22 directly by a motor directly through a worm gear, or the like, without a gear box. The movement of the pulley 22/pulley member 20 may be up and down, or in an oblique motion, etc. to effect contact with and separation from the track. The displacement range of the pulley 22/pulley member 20 can be adapted to the logical space of the track function with good reliability. In particular applications, the drive motor of the pulley assembly 20 may be programmed with only one motor to control both the pulley rotation and the pulley up and down movement, and the drive motor position may be configured differently, such as externally or internally, etc.

The embodiment of the invention also provides a sliding door which can be a traditional sliding door, and the sliding door is connected with the electric pulley device. The sliding door can also be connected with a common bearing pulley 80. The sliding door is a flat-open sliding door 90, the electric pulley device is integrally arranged at a notch at the bottom end of a sliding door leaf (the flat-open sliding door 90), the sliding door leaf is pushed to translate through friction between wheels and a track, and the problem of manual and automatic switching is solved through lifting of the pulley 22. Compared with the main belt transmission, the friction pushing is changed, and the safety is higher. Moreover, the electric pulley device is updated on the basis of the traditional electric pulley device with the bearing pulley 22, namely, the electric pulley device is additionally arranged, the installation is simple, and the electric pulley device is not burdened with bearing, so that the whole power is smaller, the volume of the electric pulley device can be smaller, the electric pulley device can be hidden in a fan notch, and the electric pulley device is more attractive and safe. And can supply energy through setting up chargeable battery, more reliably can let traditional push-and-pull door section bar through the electronic pulley 22 of simple installation upgrading, electronic manual after the installation can freely switch, is fit for the use of different age levels and different scenes.

The electric pulley device and the sliding door with the same provided by the embodiment of the invention can be used for the traditional sliding door, are small in size, simple and attractive in installation, are in contact with a frame (track) only when the pulley part 20 is in operation, do not influence manual operation, are suitable for various scenes and various users, are small in power, do not bear the whole weight of a door leaf, work circularly by using a battery, use friction force for movement, are better than belt transmission in safety, are not easy to be blocked, and are convenient to use.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.

Claims

1. An electric pulley device comprising a pulley assembly including a pulley frame and a pulley rotatably coupled to the pulley frame for frictional contact with a rail; the electric pulley device further comprises a lifting driving part for driving the pulley part and a pulley driving part for driving the pulley in the pulley part to rotate, wherein the lifting driving part is connected with the pulley part, and the pulley driving part is connected with the pulley part; the lifting driving component comprises a lifting driving arm and a sliding driving component for driving the lifting driving arm to slide, and the lifting driving arm is provided with an inclined plane which acts on the pulley component and lifts the pulley component; the lifting driving arm slides reciprocally under the action of the sliding driving assembly, the corresponding driving pulley component slides upwards or downwards, the sliding direction of the lifting driving arm is vertical to the lifting direction of the pulley frame, and when the lifting driving component is powered off, the pulley component descends and is separated from the track; an electric locking component for limiting the backward sliding of the lifting driving arm is arranged at the rear end of the lifting driving arm, the lifting driving arm props up the pulley component forwards, and the electric locking component limits the backward sliding of the lifting driving arm; the lifting driving arm is provided with an oblique convex rib in an integrated manner in the lateral direction, the oblique surface comprises an upper oblique surface and a lower oblique surface which are positioned on the upper surface and the lower surface of the oblique convex rib, the pulley frame is provided with a lower guide part and an upper guide part which are arranged in a vertically staggered manner, the upper oblique surface faces the upper guide part, and the lower oblique surface faces the lower guide part; the electric locking part comprises a locking block capable of rotating up and down and a locking driving piece for driving the locking block to rotate; the front end of the locking block is a locking surface, the lifting driving arm is integrally provided with an extending part which can be propped against the locking surface, and the locking block is provided with a position avoiding groove for the extending part to enter; the locking driving piece is an electromagnet or a linear motor or a manual driving structure.

2. An electric pulley device as in claim 1, wherein an elastic member is provided between said elevation driving member and said pulley frame.

3. An electric pulley device as claimed in claim 1, comprising a mounting plate, said pulley member being liftable relative to said mounting plate, said sliding drive assembly comprising a drive motor connected to a screw and a thrust nut, said drive motor being fixedly connected to said mounting plate either by a motor mount or directly, said thrust nut being threadably connected to said screw and adapted to drive said lifting drive arm.

4. The electric pulley device according to claim 1, wherein the pulley driving part includes a power part and a transmission part connected to the power part, the power part is a motor, and the transmission part includes a worm driven by the motor, a worm wheel meshed with the worm, and a first gear coaxially and fixedly connected with the worm wheel.

5. An electric pulley device as in claim 3, further comprising a battery module and a control device coupled to said mounting plate.

6. A sliding door, characterized in that it is connected with an electric pulley device according to any one of claims 1 to 5.