CN211008121U - Electric pulley device and sliding door with same - Google Patents

Abstract

The utility model 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; electric pulley device still includes lift drive part and pulley drive part, lift drive part connect in pulley part, pulley drive part connect in pulley part, and the push-and-pull door is connected with above-mentioned electric pulley device, the utility model provides an electric pulley device and have this electric pulley device's push-and-pull door, electric pulley device can supply traditional push-and-pull door to use/upgrade, and small installation is simple and pleasing to the eye, and the power wheel part has pulley part only during operation and frame (track) to produce the contact, does not influence manual operation, is suitable for various scenes and all kinds of users, and moreover, electric pulley device is not to the whole bearing of door leaf, and power is little, uses the frictional force motion, and the transmission of security belt is difficult for the card to die, convenient to use.

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

At present, the electric sliding door of the mainstream is complex to install, the structure protrudes out of a frame sash, and if a program fault or power failure occurs, the sliding door is blocked and is inconvenient to use.

Disclosure of Invention

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

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

Specifically, the lifting driving part comprises a lifting driving arm and a sliding driving assembly for driving the lifting driving arm to slide, and the lifting driving arm is provided with an inclined surface which acts on the pulley part and enables the pulley part to lift.

Specifically, the lateral direction of the lifting driving arm is integrally formed with an oblique convex rib, the inclined plane comprises an upper inclined plane and a lower inclined plane 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 inclined plane faces the upper guide part, and the lower inclined plane faces the lower guide part.

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

Specifically, an electric locking component for limiting the lifting driving arm to slide backwards is arranged at the rear end of the lifting driving 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 a protruding part capable of abutting against the locking surface, and the locking block is provided with a position avoiding groove for the protruding part to enter; the locking driving piece is an electromagnet, a linear motor or a manual driving structure.

Specifically, the pulley driving part comprises a power part and a transmission part connected to the power part, the power part is a motor, and the transmission part 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 can be used/upgraded for the traditional sliding door, is small in size, simple to install and attractive in appearance, the pulley part of the power wheel part is in contact with the frame (track) only when working, manual operation is not affected, the electric pulley device is suitable for various scenes and users, the electric pulley device does not bear the whole door leaf, power is low, the electric pulley device works circularly by charging a battery, wiring is convenient to install on the door leaf, friction force is used for movement, safety is superior to belt transmission, the electric pulley device is not easy to block, and use is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic plan view of an electric pulley device (with a slide rail detached from a rail) according to an embodiment of the present invention;

fig. 3 is a schematic plan view of an electric pulley device (a slide rail is in contact with a rail) according to an embodiment of the present invention;

fig. 4 is a schematic plan view of an electric pulley device (a slide rail is in contact with a rail) according to an embodiment of the present invention;

fig. 5 is a schematic plan view of an electric pulley device (with a slide rail disengaged from a rail) according to an embodiment of the present invention;

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

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

fig. 8 is a schematic plan view of an electric pulley apparatus (slide rail in contact with rail) according to an embodiment of the present invention;

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

fig. 10 is an exploded perspective view of a pulley yoke and a lifting driving arm of an electric pulley device according to an embodiment of the present invention;

FIG. 11 is an exploded perspective view of the lifting arm and locking block of the motorized pulley apparatus of the present invention;

fig. 12 is a partial plan view of a sliding door to which the power-driven pulley device according to the embodiment of the present invention is applied;

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

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

As shown in fig. 1 to 13, in the embodiment of the present invention, an electric pulley device is provided, and in the embodiment, the electric pulley device is applied to a sliding door as an example. The electric pulley device comprises a mounting plate 10 (namely a mounting bracket) and a pulley component 20 which can lift relative to the mounting plate 10, wherein the mounting plate 10 can be fixedly connected with a door leaf, and the electric pulley device can be integrally arranged in a track groove. The pulley member 20 may be connected to the mounting plate 10 and slide along the rail of the door leaf. The pulley component 20 includes a pulley frame 21 (a driving wheel pulley frame) and a pulley 22 (a power wheel, which may be a PU wheel in a specific application, that is, a wheel body portion may be made of PU material) rotatably connected to the pulley frame 21 and configured to make frictional contact with a track; the electric pulley device further comprises a lifting driving component 30 for driving the pulley component 20 to lift relative to the mounting plate 10 and a pulley driving component 40 for driving the pulley component 20 to rotate around the pulley 22, wherein the pulley component 20 is connected to the mounting plate 10, the lifting driving component 30 is connected to the mounting plate 10 and the pulley component 20, and the pulley driving component 40 is connected to the mounting plate 10 and the pulley component 20. When energized, the elevation drive unit 30 may drive the pulley unit 20 to be raised so that the pulley 22 may contact the rail. When the power is cut 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 influenced, 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, the elastic member 51 can be used as a power storage device, and when the track is uneven, the lifting position of the pulley member 20 can 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 an inclined surface acting on the pulley member 20 and lifting the pulley member 20. The lifting driving arm 31 can slide back and forth 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 part 20.

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

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, and the thrust nut block 323 is connected to the screw 321 on the driving motor 322 in a threaded manner 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, the lifting driving arm 31 will be hooked to a certain position and disconnected from the thrust nut block 323, or the lifting driving arm 31 can be connected to the thrust nut block 323 through an elastic member 51 or directly. The lower inclined surface 3111 of the elevating drive arm 31 horizontally moves to press the sliding surface (the lower guide portion 211) to vertically move the drive wheel pulley holder (the pulley holder 21) downward, and the drive wheel pulley holder (the pulley holder 21) descends. The lifting driving arm 31 moves horizontally, the upper inclined surface 3112 presses the sliding column (the upper guide portion 212), and the driving wheel pulley holder moves vertically upward, and the driving wheel pulley holder (the pulley holder 21) rises. A cushion pad 36 may be disposed between the thrust nut block 323 and the elevating drive arm 31. The lifting driving arm 31 may be provided with a guide strip groove, and may pass through the guide strip groove and be connected to the mounting plate 10 by a guide screw 37.

Specifically, an electric locking member 60 for limiting the backward sliding of the lifting driving arm 31 is disposed at the rear end of the lifting driving arm 31, and after the lifting driving arm 31 moves forward to a certain position (the pulley member 20 is jacked 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 power locking member 60 may be fixedly attached to the mounting plate 10.

Specifically, the electric locking member 60 includes a locking block 61 that can be rotated 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 holder 324. The lock actuator 62 may be connected to the mounting plate 10.

Specifically, the front end of the locking block 61 is a locking surface 611, the locking block 61 may be an L-type arm, the lifting driving arm 31 is integrally provided with an extending portion 311 capable of abutting against the locking surface 611, the locking block 61 is provided with a clearance groove 612 for the extending portion 311 (extending arm) to enter, the locking driving member 62 is an electromagnet, a linear motor, a manual driving structure such as a button, and the like, when locking, under the suction force of the electromagnet (locking driving member 62), the locking block 61 rotates to enable the locking surface 611 to abut against the tail ends of the extending arm extending portions 311 on the two sides of the lifting driving arm 31, so as to prevent the lifting driving arm 31 from retreating (as shown in fig. 4, 8 and 11), the electromagnet is powered off, including active power off or passive (accidental) power off, the suction force disappears, under the thrust of the spring (elastic member 51), the tail ends of the extending arms on the two sides of the lifting driving arm 31 push the locking block 61 to a horizontal state, and the extending arms (extending portions 311) continue to retreat through the clearance groove 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 and pulley frame shell 42, a worm 43 driven by the motor 41, a worm wheel 44 engaged with the worm 43, and a first gear 45 coaxially and fixedly connected with the worm wheel 44, and an end of the worm 43 may be sleeved with a thrust bearing. The worm wheel 44 and the first gear 45 may be connected by 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 and pulley frame housing 42, and the first connecting shaft 461 may be rotatably connected to the worm wheel and pulley frame housing 42. The worm wheel and 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 straight gear.

Specifically, the pulley part 20 has a pulley transmission gear set, the pulley driving part 40 includes a power part and a transmission part connected to the power part, the transmission part includes a second gear 47, and the second gear 47 may be a spur gear. The first gear 45 is engaged with the second gear 47, a swing rod 48 is connected between the first gear 45 and the second gear 47, two swing rods 48 are arranged and respectively located 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 swing rods 48 and are rotatably connected to the mounting plate 10. One end of the swing lever 48 is rotatably connected to the first gear 45 through a first connecting shaft 461, the other end of the swing lever 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 can be kept engaged and power-transmitted, and the second gear 47 can be kept engaged and driven when the pulley member 20 is lifted.

Specifically, the pulleys 22 are provided with one group or at least two groups, each group of the pulleys 22 includes at least two elastic pulleys which are coaxially arranged and respectively connected to two ends of the first rotating shaft 491, and each elastic pulley can be a PU wheel or a rubber wheel. The fixed cover in middle part of first rotation axis 491 is equipped with first drive gear 492, and the middle part fixedly connected with first drive gear 492 of every first rotation axis 491 promptly, and the both ends of every first rotation axis 491 are connected with the PU wheel, and first rotation axis 491 rotates and connects in pulley yoke 21. A second transmission gear 493 is arranged between the 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 at two 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 still be transmitted to the pulley 22 through the swing link and the swing of the second gear 47 when the pulley part 20 is lifted. The first rotating shaft 491 and the second rotating shaft 494 may be sleeved with bearings at both ends.

Specifically, a third transmission gear 495 is connected to an output shaft of the motor 41, a fourth transmission gear 496 is connected to the worm 43, and the third transmission gear 495 is meshed with the fourth transmission gear 496. Both the third transfer gear 495 and the fourth transfer gear 496 can 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, the locking driving member 62 (electromagnet), the elevation driving member 30 (motor), and the pulley 22 driving unit (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 can be connected with a power interface arranged on the door frame after running to the locking position, so that the charging state is kept. In a specific application, the control device 72 may be provided with a status indicator light or/and a power indicator light. The control device 72 can be selectively provided with a wired control module or a wireless control module, and can also be selectively provided with a motion sensing control module or a human body sensing control module, which is more convenient for the operation and use of a user.

It is understood that the number and structure of the pulleys 22 are only schematic, and the two current sets of 2 x 2 layouts may be single or 2 x 1 or 1 x 2, depending on the driving friction required by the specific application. The driving and transmission structure can also be designed according to actual conditions.

In the specific application, a driving motor 322 connected with a screw 321 drives the thrust nut block 323 and the lifting driving arm 31 to move forwards, a spring extrudes a driving wheel pulley frame shell (pulley frame 21), the driving wheel pulley frame shell keeps downward pressure through the inclined surface of the lifting driving arm 31, the pu wheel (power wheel) and a rail surface can be adjusted to keep friction force even if the contact surface of the bottom of the (rail) is uneven under the action of the spring, in the whole descending process of the driving wheel pulley frame, a first gear 45 and a second gear 47 are kept meshed through the rotation of a swinging rod, so that the driving wheel pulley frame and the whole gear system of a worm wheel 44 are enabled to transmit motion, a locking block 61 is absorbed under the action of the electromagnet, the front end of an L type arm is abutted against the tail end of the lifting driving arm 31 to keep locking force, the screw motor rotates reversely, the thrust nut block 323 returns to the initial position, then, a motor (a main motor) of a power part works, the driving wheel is driven to drive the power wheel to rotate through the worm wheel and the worm wheel through the gear set, so that the electric push-pull and-pull-push-pull of the electromagnet is realized after the electromagnet.

The mounting plate 10, the battery module 71 and the control device 72 can be fixed as a base part relative to the door profile, the pulley 22 can generate displacement relative to the base part, and the pulley 22 can generate friction force with the rail within a certain displacement range to drive the electric pulley device and the door profile to move horizontally relative to the rail integrally.

In a specific application, the pulley frame 21 in the base part may be a gear box, or may be a solution having enough space without a gear box, driving the pulley 22 directly with a motor through a worm gear, etc. The movement of the pulley 22/pulley member 20 may be in the form of lifting or tilting movement to achieve contact and separation with the track. The displacement range of the pulley 22/pulley member 20 can be adapted to the logical space of the track function, and its reliability is good. In a specific application, the driving motor of the pulley part 20 can be a scheme that only one motor is used for controlling the rotation of the pulley and the up-and-down movement of the pulley through programming, and the position of the driving motor can adopt different setting modes, such as external arrangement or internal arrangement, and the like.

The embodiment of the invention also provides a sliding door which can be a traditional sliding door and is connected with the electric pulley device. The sliding door can also be simultaneously connected with a common bearing pulley 80. The push-and-pull door is flat-open push-and-pull door 90, and above-mentioned electronic pulley gear integral erection is at the notch of push-and-pull door leaf (flat-open push-and-pull door 90) bottom, through wheel and the rail friction promotion door leaf translation, goes up and down through pulley 22 and solves manual and automatic switch's problem. Compared with the mainstream belt transmission, the belt transmission is changed into friction driving, and the safety is higher. Moreover, the electric pulley device is upgraded on the basis of the traditional bearing pulley 22, namely the electric pulley device is additionally arranged, the installation is simple, the whole power is smaller because the electric pulley device does not bear the bearing, and the electric pulley device can be set to be smaller in volume, can be hidden in a fan notch, and is more attractive and safe. And can supply energy through setting up rechargeable battery, more reliable can let traditional push-and-pull door section bar through the electronic pulley 22 of simple installation upgrading, and electronic manual can freely switch after the installation, is fit for the use of different age levels and different scenes.

The electric pulley device and the sliding door with the electric pulley device provided by the embodiment of the invention can be used/upgraded for the traditional sliding door, have small volume, simple and beautiful installation, the pulley part 20 on the power wheel part is only contacted with the frame (track) when in work, the manual operation is not influenced, the electric pulley device is suitable for various scenes and various users, the electric pulley device does not bear the weight of the whole door leaf, has small power, works by using a battery charging cycle, uses friction force for movement, has better safety than belt transmission, is not easy to block, and is convenient to use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (11)

1. An electric pulley device is characterized by comprising a pulley part, wherein the pulley part comprises a pulley yoke and a pulley which is rotatably connected with the pulley yoke and is used for being in frictional contact with a track; the electric pulley device further comprises a lifting driving part and a pulley driving part, wherein the lifting driving part is used for driving the pulley part or the pulley to move to be in contact with a track, the pulley driving part is used for driving the pulley part to rotate, the lifting driving part is connected with the pulley part, and the pulley driving part is connected with the pulley part.

2. The power pulley apparatus according to claim 1, wherein an elastic member is provided between the elevation driving member and the pulley frame.

3. The power pulley apparatus according to claim 1, wherein the elevation driving means comprises an elevation driving arm provided with a slope that acts on the pulley means and elevates the pulley means, and a sliding driving unit for driving the elevation driving arm to slide.

4. The pulley apparatus according to claim 3, wherein the lifting driving arm is integrally formed with an inclined rib at a lateral side thereof, the inclined surface includes an upper inclined surface and a lower inclined surface on upper and lower surfaces of the inclined rib, the pulley frame has a lower guide portion and an upper guide portion which are disposed at an upper and lower position, the upper inclined surface faces the upper guide portion, and the lower inclined surface faces the lower guide portion.

5. The motorized pulley apparatus of claim 4, wherein the sliding drive assembly comprises a drive motor coupled to a threaded rod, the drive motor being fixedly coupled to the mounting plate via a motor mount or directly, and a thrust nut threadably coupled to the threaded rod and configured to drive the lifting drive arm.

6. The motorized pulley apparatus according to claim 5, wherein the elevating driving arm is provided at a rear end thereof with a motorized locking member for restricting the elevating driving arm from sliding backward.

7. The electric pulley apparatus according to claim 6, wherein the electric locking member includes a locking block rotatable up and down and a locking driving member for driving the locking block to rotate.

8. The electric pulley device according to claim 7, wherein the front end of the locking block is a locking surface, the lifting driving arm is integrally provided with a protruding portion capable of abutting against the locking surface, and the locking block is provided with a clearance groove for the protruding portion to enter; the locking driving piece is an electromagnet, a linear motor or a manual driving structure.

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

10. The motorized pulley arrangement according to claim 1, further comprising a battery module and a control device coupled to the mounting plate.

11. A sliding door incorporating an electrically powered pulley arrangement as claimed in any one of claims 1 to 10.

Images