CN219012431U

CN219012431U - Blade transmission assembly and blade driving device using same

Info

Publication number: CN219012431U
Application number: CN202222803557.1U
Authority: CN
Inventors: 秦金磊
Original assignee: Jiangyin Maige Energy Saving Building Materials Co ltd
Current assignee: Jiangyin Maige Energy Saving Building Materials Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-12
Anticipated expiration: 2032-10-24

Abstract

The application relates to the technical field of hollow shutter, especially, relate to a blade drive assembly and blade drive arrangement of using thereof, including the inner shell, install rotation axis, damping piece in the inner shell, carry out the butt through damping piece and rotation axis to the resistance that needs to overcome when increasing drive rotation axis rotation, the blade need drive rotation axis when spreading out rotates. The blade has the effect that the blade is not easy to be scattered at will by the action of external force.

Description

Blade transmission assembly and blade driving device using same

Technical Field

The application relates to the technical field of hollow shutters, in particular to a blade transmission assembly and a blade driving device applied to the same.

Background

The shutter is a soft ornament of a new house of a family, the shutter is usually used for adjusting or retracting the blades of the shutter by pulling the pull rope, the shutter is simple to operate, has the advantages of being convenient for indoor and outdoor sunshade, ventilation and the like, and is popular with young people.

At present, a blade driving device in built-in shutter hollow glass with a blade driving device and a blade driving device with the same disclosed by the publication number CN113863837A comprise a built-in driving mechanism and an external driving mechanism, wherein the built-in driving mechanism comprises an inner shell and a built-in rotary magnet, the inner shell is used for being installed in the hollow glass, the built-in rotary magnet is rotationally connected in the inner shell, a linkage assembly is arranged in the inner shell, and the linkage assembly comprises a driving bevel gear, a driven bevel gear, a first installation shaft and a rotating shaft, and the built-in rotary magnet is in linkage fit with the driving shaft through the linkage assembly.

The blade driving device and the linkage assembly with the same are a driving bevel gear and a driven bevel gear, and locking of the blades is completed mainly by means of an external driving mechanism. Because need carry out the rolling with the blade and prevent that the random of blade from rocking and causing the damage in the in-process of production transport, but external actuating mechanism does not install in the in-process of transport, the locking of blade mainly relies on the frictional force between the built-in actuating mechanism to lock this moment. When the installed shutter blades are longer in length and the number of the blades is large, so that the total weight of the blades is large, the blades cannot be locked stably only by virtue of friction force between the components, and therefore the blades are easy to be scattered at will under the action of external force.

Disclosure of Invention

In order to improve the frictional force between the linkage components and enable the blades to be difficult to scatter randomly under the action of external force, the application provides a blade transmission component and a blade driving device applied by the same.

The application provides a blade transmission assembly adopts following technical scheme:

the utility model provides a blade drive assembly, includes the inner shell and sets up the rotation axis in the inner shell, rotation axis one end is used for being connected with external actuating mechanism, and the other end is used for driving the blade and carries out the rolling, the cover is equipped with the damping piece on the rotation axis, just the damping piece with the axial lateral wall contact of rotation axis, just the rotation axis can for the damping piece rotates.

Through adopting above-mentioned technical scheme, because the blade receives when dispersing, can drive the rotation axis and rotate, when the rotation axis needs to rotate, the damping piece butt produces frictional force on the rotation axis and prevents the rotation axis to rotate, therefore the blade need overcome great resistance and just can make the rotation axis rotate to reached the effect that the blade is difficult for receiving the effect of the random dispersion of external force.

Optionally, the blade transmission assembly further comprises a speed reducer, and the speed reducer is connected with the output shaft of the rotating shaft.

By adopting the technical scheme, when the blades drive the rotating shaft to rotate, larger resistance needs to be overcome by utilizing the transmission ratio of the speed reducer.

Optionally, the damping member is a torsion spring, and the torsion spring and the inner shell have a certain gap.

By adopting the technical scheme, the friction between the torsion spring and the rotating shaft is utilized, so that the rotation of the rotation is limited.

Optionally, the torsional spring includes the main part and is located the card foot at main part head and tail both ends, the main part cover is established on the rotation axis, the inner shell includes protecgulum shell and back lid shell, has seted up first mounting groove respectively on the relative lateral wall of protecgulum shell, the second mounting groove has also been seted up respectively on the relative lateral wall of back lid shell, the protecgulum shell with first mounting groove and the second mounting groove of back lid shell same one side constitute the spacing groove, the card foot is located the motion of spacing groove.

Through adopting above-mentioned technical scheme, utilize the card foot to install the rotation of inner shell restriction main part, the rotation of rethread main part and rotation axis between the friction restriction rotation axis, the clearance between card foot and the spacing groove reduces the rotation axis and rotates the in-process, and the torsion spring is with the possibility of rotation axis locking.

Optionally, the main body is wound from a resilient metal having a rectangular cross section.

Through adopting above-mentioned technical scheme, increase the area of contact between main part and the rotation axis, make the connection between main part and the rotation axis more stable.

Optionally, the cross section of the clamping pin is rectangular.

Through adopting above-mentioned technical scheme, the card foot of rectangle is convenient for carry out the butt with the spacing groove to the rotation of better restriction main part.

Optionally, the limiting groove is long.

Through adopting above-mentioned technical scheme, be convenient for install the card foot in the spacing inslot.

The application also discloses a use shutter drive assembly's blade drive arrangement includes:

the driving assembly comprises a shell and an external driving mechanism positioned in the shell, and an external pull rope connected with the driving mechanism is arranged on the shell;

the transmission assembly comprises a first end and a second end which correspond to each other, and the first end is connected with an output shaft of the driving assembly; and

the rotating shaft is connected with the second end of the transmission assembly, a connecting rope is wound on the rotating shaft, and the connecting rope is connected with the plurality of blades; the transmission assembly is a shutter transmission assembly.

Through the cooperation of drive assembly, drive assembly and axis of rotation, reached the effect of being convenient for adjust the blade of shutter.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the damping piece is arranged in the inner shell, so that the damping piece is abutted with the rotating shaft, and the effects of increasing the friction force of the rotating shaft and preventing the blades from being scattered at will are achieved;

2. the speed reducer is arranged, so that the blades can be scattered only by overcoming larger resistance, and the effect that the blades are less prone to being scattered by external force is achieved;

3. through the cooperation of drive assembly, drive assembly and axis of rotation, reached the effect that control blade goes up and down.

Drawings

Fig. 1 is a schematic structural view of a blade transmission assembly in the present embodiment.

Fig. 2 is a schematic structural view of the blade transmission assembly according to the present embodiment, with the front cover omitted.

Fig. 3 is a schematic structural view of the torsion spring in the present embodiment.

Fig. 4 is a schematic structural view of the front cover case in the present embodiment.

Fig. 5 is a schematic structural view of the rear cover case in the present embodiment.

Fig. 6 is a schematic view of the structure of the vane driving device applied to the hollow blind in this embodiment.

Fig. 7 is a schematic view showing a structure of a hidden casing of the blade driving device in this embodiment.

Fig. 8 is a schematic diagram of a mechanism of hiding the driving assembly and the front cover case of the blade driving device in the present embodiment.

Reference numerals illustrate:

1. an inner case; 11. a front cover case; 12. a rear cover case; 13. a limit groove; 131. a first mounting groove; 132. a second mounting groove; 2. a rotation shaft; 21. a bearing; 3. a damping member; 31. a torsion spring; 311. a main body; 312. a clamping foot; 4. a speed reducer; 5. an external driving mechanism; 6. a drive assembly; 61. a housing; 611. an outer housing; 612. an inner housing; 62. an outer pull rope; 63. a driving mechanism; 7. a rotating shaft; 71. a connecting rope; 8. glass.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a blade transmission assembly.

Referring to fig. 1 and 2, the blade transmission assembly comprises an inner shell 1, wherein a rotating shaft 2 and a damping piece 3 are installed in the inner shell 1, and the damping piece 3 is abutted with the rotating shaft 2, so that resistance to be overcome when the rotating shaft 2 is driven to rotate is increased, and the blades are not easy to be scattered due to the action of external force.

Referring to fig. 2, the inner case 1 includes a front cover case 11 and a rear cover case 12, and the inner case 1 is provided such that the front cover case 11 and the rear cover case 12 facilitate installation of the rotation shaft 2, the damper 3, and the damper 3 is entirely located inside the inner case 1.

Referring to fig. 2, a rotation shaft 2 penetrates from one end of an inner case 1 and penetrates from the other end, a bearing 21 is rotatably connected between the inner case 1 and the rotation shaft 2, and the bearing 21 supports the rotation shaft 2 and facilitates the rotation of the rotation shaft 2. One end of the rotary shaft 2 is connected to the decelerator 4, and the other end is connected to an external driving mechanism 5. The external driving mechanism 5 drives the rotating shaft 2 to rotate, and the rotating shaft 2 drives the blades to lift through the speed reducer 4.

Referring to fig. 2, a decelerator 4 is positioned at one side of the inner case 1, an input shaft of the decelerator 4 is fixedly connected with the rotation shaft 2, and an output shaft of the decelerator 4 is used for driving the blades to be wound up. The setting of reduction gear 4 is convenient for stable carry out the rolling to the blade, and simultaneously when the blade receives the exogenic action and has the trend of scattering, the blade needs to overcome damping member 3 to the frictional force of pivot 2, makes the blade need overcome bigger resistance through the reverse transmission of reduction gear 4, and when external drive mechanism 5 drive pivot 2 rotates, only need overcome damping member 3 to the friction of pivot 2 for external drive mechanism 5's influence is not big.

Referring to fig. 2 and 3, the damping member 3 may be a friction block or a friction cylinder, in this embodiment, the damping member 3 is a torsion spring 31, the torsion spring 31 includes a main body 311 and clamping legs 312, the main body 311 is sleeved on the rotating shaft 2, and the number of the clamping legs 312 is two and is respectively located at two sides of the rotating shaft 2.

Referring to fig. 4 and 5, the front cover case 11 is provided with two first mounting grooves 131, and the two first mounting grooves 131 are symmetrically disposed with respect to the axis of the rotary shaft 2. The rear cover 12 is provided with two second mounting grooves 132, and the two second mounting grooves 132 are symmetrically arranged about the axis of the rotary shaft 2. The front cover 11 and the rear cover 12 are mounted, and the first mounting groove 131 and the second mounting groove 132 are combined to form the limit groove 13.

Referring to fig. 4 and 5, the limiting groove 13 is provided in a long shape, the length direction of the limiting groove 13 is parallel to the axis direction of the rotating shaft 2, and the long limiting groove 13 facilitates the installation of the torsion spring 31. The width of the limiting groove 13 is greater than the thickness of the clamping leg 312, so that only one clamping leg 312 abuts against the limiting groove 13 in the rotation process of the main body 311. Thereby preventing the rotation shaft 2 from being locked by the torsion spring 31 when the rotation shaft 2 is rotated.

Referring to fig. 3 and 4, the cross sections of the main body 311 and the clamping leg 312 of the torsion spring 31 are rectangular, and the rectangular main body 311 makes the contact area between the main body 311 and the rotating shaft 2 larger when the main body 311 is wound on the rotating shaft 2, so that the connection between the main body 311 and the rotating shaft 2 is more stable. The rectangular clamping leg 312 makes the main body 311 more stable when rotating, the clamping leg 312 is abutted against the side wall of the limiting groove 13, and the possibility that the clamping leg 312 is separated from the limiting groove 13 is reduced.

The implementation principle of the blade transmission assembly in the embodiment of the application is as follows: the rotation shaft 2 is driven to rotate through the external driving piece, and the blades are wound after the rotation shaft 2 is decelerated through the speed reducer 4.

At this time, the blades have a tendency to scatter due to the action of external force, at this time, the rotating shaft 2 has a tendency to rotate, at this time, a friction force is provided between the rotating shaft 2 and the main body 311, the main body 311 will drive the clamping leg 312 to rotate, and the clamping leg 312 abuts against the inner wall of the limiting groove 13 and cannot rotate, so that the friction force between the rotating shaft 2 and the main body 311 must be overcome for the blades to scatter.

In addition, due to the existence of the speed reducer 4, the blades need to overcome larger resistance to rotate the rotating shaft 2, so that the friction force for driving the rotating shaft 2 to rotate is increased by adding the torsion spring 31, and the blades are not easy to be randomly scattered under the action of external force.

The application also discloses a blade drive arrangement of using blade drive assembly:

referring to fig. 6 and 7, the blade driving device includes a driving assembly 6, a transmission assembly, and a rotation shaft 2, where the transmission assembly in this embodiment is a blade transmission assembly, the driving assembly 6 includes a housing 61 and an outer pull rope 62, and a driving mechanism 63 connected to the outer pull rope 62 is disposed in the housing 61. The driving mechanism 63 is driven to rotate by pulling the outer pull rope 62, so that the rotating shaft 2 in the belt transmission assembly rotates, and the rotating shaft 7 is driven to rotate after the rotation passes through the speed reducer 4, so that the lifting of the blades is controlled.

Referring to fig. 6 and 7, the vane driving device is applied to a hollow shutter, the hollow shutter includes glass 8 and a connection rope 71, the housing 61 includes an outer housing 611 and an inner housing 612, the inner housing 612 is fixedly connected to the glass 8, the outer housing 611 is clamped with the inner housing 612, the outer pull rope 62 is partially inserted into the housing 61, the outer pull rope 62 inserted into the housing 61 is sleeved on the driving mechanism 63, and the driving mechanism 63 is driven to rotate by pulling the pull rope.

Referring to fig. 7 and 8, the external driving mechanism 63 is rotated by the driving mechanism 63, the external driving mechanism 63 is rotated to drive the rotation shaft 2 to rotate, the rotation shaft 2 drives the rotation shaft 7 to rotate through the speed reducer 4, the rotation shaft 7 rotates to wind the connection rope 71, and the blade lifting is controlled by winding the connection rope 71.

The implementation principle of the blade driving device in the embodiment of the application is as follows: the outer pull rope 62 is pulled to control the lifting of the blade along with the rotation direction of the outer pull rope 62 driving the driving mechanism 63.

The blade transmission assembly is applied to the blade driving device, so that the friction force between the rotation shaft 2 and the damping piece 3 needs to be overcome when the rotation shaft rotates, and the effect that the blade is not easy to fall off due to external force when the blade is positioned is achieved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a blade drive assembly, includes inner shell (1) and sets up rotation axis (2) in inner shell (1), rotation axis (2) one end is used for being connected with external actuating mechanism, and the other end is used for driving the blade and rolls, its characterized in that: the damping piece (3) is sleeved on the rotating shaft (2), the damping piece (3) is in contact with the axial side wall of the rotating shaft (2), and the rotating shaft (2) can rotate relative to the damping piece (3).

2. The blade transmission assembly of claim 1, wherein: the blade transmission assembly further comprises a speed reducer (4), and the speed reducer (4) is connected with an output shaft of the rotating shaft (2).

3. The blade transmission assembly of claim 1, wherein: the damping piece (3) is a torsion spring (31), and the torsion spring (31) and the inner shell (1) have a certain gap.

4. A blade transmission assembly according to claim 3, wherein: the torsion spring (31) comprises a main body (311) and clamping feet (312) positioned at the head end and the tail end of the main body (311), the main body (311) is sleeved on the rotating shaft (2), the inner shell (1) comprises a front cover shell (11) and a rear cover shell (12), first mounting grooves (131) are respectively formed in the opposite side walls of the front cover shell (11), second mounting grooves (132) are also respectively formed in the opposite side walls of the rear cover shell (12), and the front cover shell (11) and the first mounting grooves (131) and the second mounting grooves (132) on the same side of the rear cover shell (12) form a limiting groove (13), and the clamping feet (312) are positioned in the limiting groove (13) to move.

5. The blade transmission assembly of claim 4, wherein: the cross section of the main body (311) is rectangular.

6. The blade transmission assembly of claim 4, wherein: the cross section of the clamping leg (312) is rectangular.

7. The blade transmission assembly of claim 4, wherein: the limiting groove (13) is long.

8. A blade driving device comprising:

the driving assembly (6) comprises a shell (61) and a driving mechanism (63) positioned in the shell (61), wherein an external pull rope (62) connected with the driving mechanism (63) is arranged on the shell (61);

the transmission assembly comprises a first end and a second end which correspond to each other, and the first end is connected with an output shaft of the driving assembly (6); and

the rotating shaft (7) is connected with the second end of the transmission assembly, a connecting rope (71) is wound on the rotating shaft (7), and the connecting rope (71) is connected with a plurality of blades; the blade transmission assembly according to any one of claims 1 to 7, characterized in that the transmission assembly is a blade transmission assembly.