Suspension type yarn curtain driving mechanism

Abstract

The utility model discloses a suspension type yarn curtain driving mechanism. The suspension type yarn curtain driving mechanism comprises a servo motor, a steering structure, a connecting flange and a connecting screw. A motor shaft of the servo motor drives the connecting flange to rotate through a steering structure, the steering structure comprises spiral bevel gear sets which are meshed with each other, and power transmission is achieved through bearing supporting. A U-shaped clamping opening is formed in the tail end of the output shaft and is fixed to a linear clamping block of a connecting flange through a screw, and rapid disassembly and assembly are achieved. The device is compact in structure, small in size, stable in transmission, suitable for mounting requirements of different electric lifting window screen curtains, capable of suspending the motor, convenient to mount, stable in operation, high in applicability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric curtain technical field, concretely relates to a suspension type screen drive mechanism. BACKGROUND

[0002] The intelligent electric curtain is the mode of controlling the window curtain through the motor drive wireless. The motor is built in the window curtain track, and only the window curtain track is seen from the surface. The existing screen drive device adopts the built-in tubular motor, but the motor is mostly suitable for the scene of the medium size window. When the size of the window is increased to 6 meters or more, the tubular motor will appear the problems of sagging in the middle of the track due to the increase of the volume, poor heat dissipation of the motor due to the space closure, high transmission noise, inconvenient disassembly, and difficult to adapt to different installation scenes. There is an urgent need for a screen drive device with high heat dissipation rate, small volume and adaptability to different installation scenes. SUMMARY

[0003] In view of the above defects, the utility model aims at providing a suspension type screen drive mechanism. The utility model discloses the motor is externally hung, improves the heat dissipation rate and can adapt to different installation scenes, and the power transmission path is optimized through the setting of the steering structure, so that the screen lifting operation is more stable.

[0004] In order to realize the above technical purpose, the following technical scheme is adopted:

[0005] A suspension type screen drive mechanism, comprising:

[0006] A servo motor is provided with a motor shaft;

[0007] A steering structure is provided with an input component and an output component, one end of the input component is connected with the motor shaft, and the other end is engaged with the output component; the end of the output component extends to the outside of the steering structure and is provided with a clamping interface, and the clamping interface is provided with a threaded hole;

[0008] A connecting flange is provided with a clamping block at one end, the clamping block is clamped with the clamping interface, and a threaded hole is correspondingly arranged thereon;

[0009] A connecting screw is fixedly connected with the output component and the connecting flange through the threaded holes of the clamping interface and the clamping block.

[0010] Further, the steering structure further comprises bearing one, bearing two, box and cover plate; the box is a cavity with right side opening, and is internally provided with input component, output component, bearing one and bearing two; the input component is a first arc tooth bevel gear, the first arc tooth bevel gear is fixed on the motor shaft through the set in its side's tight screw;The output component includes second arc tooth bevel gear and output shaft, the second arc tooth bevel gear is sleeved on the front end of output shaft and is engaged with the first arc tooth bevel gear, the output shaft extends out of the box at the end and is provided with the clamping interface on the end;The bearing one is sleeved on the second arc tooth bevel gear, and the bearing two is sleeved on one side of the end of the output shaft;The cover plate covers the right side opening of the box and is connected with the box.

[0011] Further, the first arc tooth bevel gear is fixedly connected with the motor shaft through a flat key, and the second arc tooth bevel gear is fixedly connected with the front end of the output shaft through a flat key.

[0012] Further, the first arc tooth bevel gear has 16 teeth, and the second arc tooth bevel gear has 19 teeth.

[0013] Further, the box is provided with an avoiding hole on the left side and the front side; the avoiding hole on the front side of the box is for the motor shaft to pass through, and the avoiding hole on the left side of the box is for the output shaft to pass through.

[0014] Further, the box is fixedly connected with the shell of the servo motor on the front side.

[0015] Further, the other end of the connecting flange is in the shape of a circular shaft, and a key groove is arranged on the shaft.

[0016] Further, the clamping interface is in the shape of U, and the clamping block is in the shape of a character.

[0017] Further, the connecting screw is an internal hexagonal screw, and a gasket is arranged.

[0018] Further, the suspension type screen drive structure is vertically installed in a stand column beside the top reel, and the top reel is internally provided with a reinforcing rib.

[0019] The utility model has the advantages of:

[0020] Compared with the prior art, the utility model provides a kind of suspension type screen drive mechanism. Servo motor is external and vertically suspended in the vertical column of the top side of lifting window, and power direction is changed by connecting steering structure, steering structure adopts arc gear set, reduces noise and can promote transmission efficiency;Box contains transmission gear set and integrates bearing, ensures the stability of output shaft operation;U-shaped joint interface is set at the end of output shaft, and the carding of the linear carding block of connecting flange is connected and fixed by screw quickly, and it can adapt to the installation needs of various specifications of lifting window.Therefore, the utility model has the advantages of reducing noise, large transmission torque, flange design of carding, simplifying disassembly and assembly process, improving heat dissipation rate, small size, strong adaptability and the like. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be described below in conjunction with the drawings.

[0022] Figure Figure 1 It is a kind of suspension type screen drive mechanism structure schematic view of the utility model.

[0023] Figure Figure 2 It is the explosion view of a kind of suspension type screen drive mechanism of the utility model.

[0024] Figure Figure 3 It is the sectional view of a kind of suspension type screen drive mechanism of the utility model.

[0025] Figure Figure 4 It is the structure schematic view of the utility model joint interface and carding block.

[0026] In the drawing: 1-servo motor;11-motor shaft;2-first arc gear;3-second arc gear;4-output shaft;41-joint interface;5-bearing one;6-bearing two;7-box;8-cover plate;9-connecting flange;91-carding block;92-keyway;10-connecting screw;12-washer;13-locking screw;14-flats. DETAILED DESCRIPTION

[0027] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the contents disclosed in the specification. The described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] As Figures 1-2 Indicated, a kind of suspension type lifting window drive structure of the utility model, including servo motor 1, steering structure, connecting flange 9 and connecting screw 10.

[0029] The servo motor 1 is a servo motor with a width of 42 mm, and a motor shaft 11 is arranged on the servo motor 1;

[0030] The steering structure is composed of a first arc tooth bevel gear 2, a second arc tooth bevel gear 3, an output shaft 4, a bearing one 5, a bearing two 6, a box 7 and a cover plate 8. The box 7 is a cavity with a right opening, and the front side of the box 7 is fixedly connected with the shell of the servo motor 1 and is provided with an avoiding hole through which the motor shaft 11 passes. The box 7 is provided with an avoiding hole on the left side through which the output shaft 4 passes, and the first arc tooth bevel gear 2, the second arc tooth bevel gear 3, the output shaft 4, the bearing one 5 and the bearing two 6 are arranged in the box 7. The first arc tooth bevel gear 2 is an input component of the steering structure, is a 16-tooth bevel gear, is fixed with the motor shaft 11 through a set screw 13 arranged on the side of the first arc tooth bevel gear 2, and is fixed on the motor shaft 11 through a flat key 14. The second arc tooth bevel gear 3 and the output shaft 4 are output components of the steering structure. The second arc tooth bevel gear 3 is a 19-tooth bevel gear, is fixed on the front end of the output shaft 4 through the flat key 14 and is engaged with the first arc tooth bevel gear 2. The output shaft 4 extends out of the avoiding hole on the left side of the box 7 and is provided with a U-shaped clamping interface 41. The clamping interface 41 is provided with a threaded hole. The bearing one 5 is arranged on the outer side of the second arc tooth bevel gear 3, and the bearing two 6 is arranged on one side of the end of the output shaft 4. The cover plate 8 is used for covering the right opening of the box 7 and is connected with the box 7, is provided with a heat dissipation hole, and is used for improving the heat dissipation efficiency of the inside of the box 7.

[0031] One end of the connecting flange 9 is provided with a straight clamping block 91 matched with the clamping interface 41, and the clamping block 91 is provided with a threaded hole corresponding to the threaded hole of the clamping interface 41. The other end of the connecting flange 9 is in the shape of a circular shaft, and a key groove 92 is arranged on the shaft for being installed in the curtain roller.

[0032] The connecting screw 10 is an internal hexagonal screw and is provided with a gasket 12. The connecting screw 10 is sequentially inserted through the gasket 10, the threaded holes of the clamping interface and the clamping block, and is used for connecting the connecting flange 9 with the output shaft 4.

[0033] The suspension type screen drive structure is vertically installed in a stand column beside the top roller. The top roller is provided with a reinforcing rib to enhance the compression strength of the roller.

[0034] Its working principle is: in use, the first arc tooth bevel gear 2 is fixed on the motor shaft 11 through the key 14 and the locking screw 13;The second arc tooth bevel gear 3 is connected with the output shaft 4 through the key 14, is supported through bearing one 5, bearing two 6 after being installed in the box 7, the cover plate 8 closes the right side of the box 7;The clamping block 91 of connecting flange 9 is inserted into the U-shaped clamping interface 41 of the output shaft 4 end, and the hexagonal screw is screwed in after aligning the threaded hole.The servo motor 1 is energized, the motor shaft 11 rotates, the power is transmitted to the second arc tooth bevel gear 3 through the first arc tooth bevel gear 2 rotating 90°, and finally transmitted to the connecting flange 9 fixed with the output shaft 4.The connecting flange 9 connects the screen roller, drives the screen roller to rotate, realizes the lifting of the screen.

[0035] The other parts of the utility model not described in detail are the conventional technology known to those skilled in the art.

[0036] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that the process, method, article or equipment containing a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0037] The protection scope of the utility model is not limited to the technical solutions disclosed in the specific embodiments, and any modification, equivalent replacement, improvement, etc. according to the technical essence of the utility model on the above embodiments all fall within the protection scope of the utility model.

Claims

1. A suspended curtain drive mechanism, characterized in that: include Servo motor (1), the servo motor (1) is provided with a motor shaft (11); The steering structure is provided with an input component and an output component. One end of the input component is connected to the motor shaft (11), and the other end is engaged with the output component for transmission. The end of the output component extends to the outside of the steering structure and is provided with a card interface (41). The card interface (41) is provided with a threaded hole. A connecting flange (9) is provided at one end of a snap-fit ​​block (91), which snaps into the snap-fit ​​interface (41) and has a corresponding threaded hole. A connecting screw (10) passes through the threaded hole of the card interface (41) and the card block (91) to fix the output component and the connecting flange (9).

2. The suspended curtain driving mechanism according to claim 1, characterized in that: The steering structure also includes bearing one (5), bearing two (6), housing (7) and cover plate (8); the housing (7) is a cavity with an opening on the right side, which is provided with an input component, an output component, bearing one (5) and bearing two (6); the input component is a first arc bevel gear (2), which is fixed to the motor shaft (11) by a set screw (13) on its side; the output component includes a second arc bevel gear (3) and an output shaft (4), the second arc bevel gear (3) is sleeved on the front end of the output shaft (4) and meshes with the first arc bevel gear (2), the end of the output shaft (4) extends out of the housing (7) and is provided with a snap-fit ​​interface (41) at the end; bearing one (5) is sleeved on the second arc bevel gear (3), and bearing two (6) is sleeved on one side of the end of the output shaft (4); the cover plate (8) covers the right opening of the housing (7) and is connected to the housing (7).

3. The suspended curtain driving mechanism according to claim 2, characterized in that: The first spiral bevel gear (2) is fixedly connected to the motor shaft (11) via a flat key (14), and the second spiral bevel gear (3) is fixedly connected to the front end of the output shaft (4) via a flat key (14).

4. The suspended curtain drive mechanism according to claim 3, characterized in that: The first spiral bevel gear (2) has 16 teeth, and the second spiral bevel gear (3) has 19 teeth.

5. A suspended curtain driving mechanism according to claim 4, characterized in that: The housing (7) is provided with clearance holes on the left and front sides; the clearance hole on the front side of the housing (7) allows the motor shaft (11) to pass through, and the clearance hole on the left side allows the output shaft (4) to pass through.

6. The suspended curtain driving mechanism according to claim 5, characterized in that: The front side of the housing (7) is fixedly connected to the outer shell of the servo motor (1).

7. The suspended curtain drive mechanism according to claim 1, characterized in that: The other end of the connecting flange (9) is a round shaft with a keyway (92) on the shaft.

8. A suspended curtain drive mechanism according to claim 7, characterized in that: The card interface (41) is U-shaped, and the card connector (91) is straight.

9. A suspended curtain driving mechanism according to claim 8, characterized in that: The connecting screw (10) is an internal hexagon screw and is equipped with a washer (12).

10. A suspended curtain drive mechanism according to any one of claims 1-9, characterized in that: The suspended curtain drive mechanism is vertically installed in a column next to the top roller, and the top roller is provided with reinforcing ribs.

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