Novel curtain motor

Abstract

The utility model discloses a novel curtain motor, which comprises an outer case, a motor is connected in the outer case, one end of the outer case is rotatably connected with an outer transmission member, the power output end of the motor is connected with the outer transmission member, and the power output end of the motor is connected with a reduction gearbox. A speed reducing mechanism connected with the power output end of the motor is connected in the speed reducing box; the outer transmission part is a transmission end cover, the transmission end cover is connected with the power output end of the speed reducing mechanism, a plurality of sensing wings are arranged at the outer end of the transmission end cover in an outward protruding mode, a rotating speed sensor is connected to the position, close to the sensing wings, in the outer machine box, and a spline groove is formed in the top end of the transmission end cover in an inward concave mode. Compared with the prior art, the novel curtain motor provided by the utility model has the advantages that the transmission ratio is high, the occupied space is small, and the rotating speed can be monitored.

Description

Technical Field

[0001] The utility model relates to the technical field of curtain motors, in particular to a novel curtain motor. Background Art

[0002] An electric curtain is a curtain that is driven by a curtain motor to realize the automatic opening and closing of the curtain fabric. Electric curtains are usually driven by motors. Due to limitations such as installation space, a smaller space restricts the internal space of the motor, resulting in a reduction in its transmission efficiency. It is difficult to monitor the motor speed, and the working state of the installed motor cannot be known. Summary of the Utility Model

[0003] (1) Problems to be Solved

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a novel curtain motor with a high transmission ratio, small space occupancy, and the ability to monitor the rotational speed at the same time.

[0005] (2) Technical Solutions

[0006] To solve the above technical problem, the technical solution provided by the utility model is: a novel curtain motor, including an outer chassis, a motor is connected and arranged inside the outer chassis, one end of the outer chassis is rotatably connected with an outer transmission member, the power output end of the motor is connected with the outer transmission member, a speed reducer is connected to the power output end of the motor, and a speed reduction mechanism connected to the power output end of the motor is arranged inside the speed reducer;

[0007] The outer transmission member is a transmission end cover, the transmission end cover is connected to the power output end of the speed reduction mechanism, several induction wings are convexly arranged at the outer end of the transmission end cover, a rotational speed sensor is arranged inside the outer chassis close to the induction wings, and a spline groove is concavely arranged at the top end of the transmission end cover.

[0008] As an improvement, the speed reduction mechanism includes a first speed reduction gear set and a second speed reduction gear set connected in sequence;

[0009] The power output end of the first speed reduction gear set is connected to the power output end of the motor, the power output end of the first speed reduction gear set is connected to the power input end of the second speed reduction gear set, and the power output end of the second speed reduction gear set is connected to the transmission end cover.

[0010] As an improvement, the inner wall of the speed reducer is concavely provided with engaging teeth along its circumferential direction. The first speed reduction gear set and the second speed reduction gear set have the same structure, and both include a driving wheel and several driven wheels meshed with the driving wheel along the circumference of the driving wheel. The multiple driven wheels are respectively meshed with the engaging teeth, and shaft connection holes are concavely arranged at the cores of the several driven wheels;

[0011] The bottom end of the driving wheel in the first reduction gear set is concavely provided with a shaft hole connected to the power output end of the motor.

[0012] The bottom end of the driving wheel in the second reduction gear set extends outwards to be provided with outer edge plates having the same number as the driven wheels, and shaft rods penetrating through the shaft connection holes are connected to the driven wheels in the first reduction gear set on the outer edge plates.

[0013] As an improvement, a transmission shaft member is further connected between the second reduction gear set and the transmission end cover. The transmission shaft member includes a driving plate and a linkage shaft.

[0014] A plurality of shaft rods extending into the shaft connection holes are connected to the position of the driven wheel in the second reduction gear set at the bottom end of the driving plate. A positioning hole is further concavely provided in the middle of the bottom end of the driving plate. A convex rod extending into the positioning hole protrudes from the top of the driving wheel of the second reduction gear set.

[0015] As an improvement, a lower fixing ring is sleeved at the bottom end of the speed reduction box. An outer positioning sleeve ring is sleeved on the outer side of the speed reduction box. The top of the speed reduction box is clamped with the top of the outer positioning sleeve ring.

[0016] A positioning groove is concavely provided at the top end of the driving plate. The bottom end of the linkage shaft is sleeved with the positioning groove. The top of the linkage shaft is connected to the bottom end of the transmission end cover.

[0017] As an improvement, a connection slot opening capable of accommodating a spline groove is provided at the top end of the outer machine case. A shaft sleeve is provided between the connection slot opening and the transmission end cover.

[0018] (III) Beneficial effects

[0019] The advantages of the present utility model compared with the prior art are as follows: In this application, by specifically installing a speed reduction box, the reduction transmission is carried out through the cooperation of two internal planetary reduction groups. Inside, the speed reduction box and the outer machine case are cooperated, and a motor is installed as the power end, with high space utilization rate. The discontinuous induction wings outside the transmission end cover are convenient for cooperating with a speed sensor to monitor the rotational speed, and it is convenient to understand the working state of the motor. Description of the drawings

[0020] Figure 1 is a schematic structural diagram of a novel curtain motor.

[0021] Figure 2 is a schematic structural diagram of an exploded view of a novel curtain motor.

[0022] Figure 3 is a schematic cross-sectional view of a novel curtain motor.

[0023] Figure 4 is a schematic cross-sectional view of an exploded view of a novel curtain motor.

[0024] As shown in the figure: 1. Outer chassis; 2. Motor; 3. Reduction gearbox; 4. Transmission end cover; 5. Induction wing; 6. Rotation speed sensor; 7. Spline groove; 8. Locking teeth; 9. Driving wheel; 10. Driven wheel; 11. Shaft connection hole; 12. Shaft hole; 13. Outer edge plate; 14. Shaft rod; 15. Driving plate; 16. Linkage shaft; 17. Positioning hole; 18. Convex rod; 19. Positioning groove; 20. Bush; 21. Lower fixing ring; 22. Outer positioning sleeve ring. Specific implementation manner

[0025] The following further illustrates the specific implementation manner of the present invention with reference to the accompanying drawings. Among them, the same parts are denoted by the same reference numerals.

[0026] It should be noted that the terms "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0027] It should be noted that when an element is referred to as being "fixedly provided on" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0029] In order to make the content of the present invention more clearly understood, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.

[0030] Please refer specifically to the attached Figures 1-4 A new type of curtain motor includes an outer chassis 1, and a motor 2 is connected and provided inside the outer chassis 1. An outer transmission member is rotatably connected to one end of the outer chassis 1, and the power output end of the motor 2 is connected to the outer transmission member.

[0031] In specific use, a reduction gearbox 3 is connected to the power output end of the motor 2. A reduction mechanism is connected inside the reduction gearbox 3 and is connected to the power output end of the motor 2. The reduction mechanism includes a first reduction gear set and a second reduction gear set connected in sequence;

[0032] The external transmission part is the transmission end cover 4, and the transmission end cover 4 is connected to the power output end of the reduction mechanism. A plurality of induction wings 5 are convexly provided at the outer end of the transmission end cover 4. A rotational speed sensor 6 is connected near the induction wings 5 inside the outer machine case 1. A spline groove 7 is concavely provided at the top end of the transmission end cover 4.

[0033] For convenient transmission use, the power output end of the first reduction gear set is connected to the power output end of the motor 2, the power output end of the first reduction gear set is connected to the power input end of the second reduction gear set, and the power output end of the second reduction gear set is connected to the transmission end cover 4.

[0034] In one embodiment:

[0035] A clamping tooth 8 is concavely provided along the circumferential direction of the inner wall of the reduction gearbox 3. The first reduction gear set and the second reduction gear set have the same structure, and both include a driving wheel 9 and a plurality of driven wheels 10 meshed with the driving wheel 9 along the circumferential direction of the driving wheel 9. The plurality of driven wheels 10 are respectively meshed with the clamping tooth 8, and a shaft connection hole 11 is concavely provided at the core of each of the plurality of driven wheels 10; a shaft hole 12 connected to the power output end of the motor 2 is concavely provided at the bottom end of the driving wheel 9 in the first reduction gear set. An outer edge plate 13 with the same number as the driven wheels 10 extends outward from the bottom end of the driving wheel 9 in the second reduction gear set. A shaft rod 14 penetrating through the shaft connection hole 11 is connected to the driven wheel 10 in the first reduction gear set on the outer edge plate 13.

[0036] In specific use, three groups of driven wheels 10 are provided in both the first reduction gear set and the second reduction gear set to ensure stable transmission use.

[0037] In use, in order to facilitate the transmission use of the transmission end cover 4, a transmission shaft member is further connected between the second reduction gear set and the transmission end cover 4. The transmission shaft member includes a driving plate 15 and a linkage shaft 16.

[0038] Among them, three shaft rods 14 extending into the shaft connection hole 11 are connected to the position of the driven wheel 10 in the second reduction gear set at the bottom end of the driving plate 15. A positioning hole 17 is further concavely provided in the middle of the bottom end of the driving plate 15. A convex rod 18 extending into the positioning hole 17 protrudes from the top of the driving wheel 9 of the second reduction gear set; a positioning groove 19 is concavely provided at the top end of the driving plate 15. The bottom end of the linkage shaft 16 is sleeved with the positioning groove 19, and the top of the linkage shaft 16 is connected to the bottom end of the transmission end cover 4, and transmission use is carried out through the rotation of the driving plate 15.

[0039] In one embodiment, in order to ensure the stable use of each component in the equipment, a lower fixing ring 21 is sleeved at the bottom end of the reduction gearbox 3, an outer positioning sleeve ring 22 is sleeved outside the reduction gearbox 3, and the top of the reduction gearbox 3 is clamped with the top of the outer positioning sleeve ring 22.

[0040] To ensure the stable rotation of the shaft, a connecting slot for accommodating the spline groove 7 is provided at the top of the outer chassis 1, and a shaft sleeve 20 is provided between the connecting slot and the transmission end cover 4 for use.

[0041] In the specific implementation of the present utility model, when the motor is started, two sets of sequentially arranged planetary gear reduction groups are used for speed reduction transmission. When the transmission end cover rotates, the speed is read through the induction wing 5 passing through the speed sensor 6, which is convenient for knowing the working state of the motor during use.

[0042] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0043] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0044] The above describes the present utility model and its implementation manners. This description is not restrictive, and what is shown in the drawings is only one of the implementation manners of the present utility model. The actual structure is not limited thereto. Generally speaking, if those skilled in the art are inspired by it and design a structural manner and an embodiment similar to this technical solution without creative work without departing from the creative purpose of the present utility model, they shall all fall within the protection scope of the present utility model.

Claims

1. A new type of curtain motor, including an outer chassis (1), a motor (2) is connected and arranged inside the outer chassis (1), one end of the outer chassis (1) is rotatably connected with an outer transmission member, and the power output end of the motor (2) is connected with the outer transmission member, and it is characterized in that: The power output end of the motor (2) is connected with a speed reducer (3), and a speed reduction mechanism connected with the power output end of the motor (2) is arranged inside the speed reducer (3); The outer transmission member is a transmission end cover (4), the transmission end cover (4) is connected with the power output end of the speed reduction mechanism, several induction wings (5) are convexly arranged at the outer end of the transmission end cover (4), a speed sensor (6) is arranged inside the outer chassis (1) close to the induction wings (5), and a spline groove (7) is concavely arranged at the top end of the transmission end cover (4).

2. The novel curtain motor according to claim 1, characterized in that: The speed reduction mechanism includes a first speed reduction gear set and a second speed reduction gear set connected in sequence; The power output end of the first speed reduction gear set is connected with the power output end of the motor (2), the power output end of the first speed reduction gear set is connected with the power input end of the second speed reduction gear set, and the power output end of the second speed reduction gear set is connected with the transmission end cover (4).

3. A novel curtain motor according to claim 2, characterized in that: The inner wall of the speed reducer (3) is concavely provided with clamping teeth (8) along its circumferential direction, the first speed reduction gear set and the second speed reduction gear set have the same structure, and both include a driving wheel (9) and several driven wheels (10) meshed with the driving wheel (9) along the circumference direction of the driving wheel (9), and a plurality of driven wheels (10) are respectively meshed with the clamping teeth (8), and shaft connection holes (11) are concavely arranged at the axles of several driven wheels (10); A shaft hole (12) connected with the power output end of the motor (2) is concavely arranged at the bottom end of the driving wheel (9) inside the first speed reduction gear set; An outer edge plate (13) with the same number as the driven wheels (10) extends outward from the bottom end of the driving wheel (9) inside the second speed reduction gear set, and a shaft rod (14) penetrating through the shaft connection hole (11) is connected to the outer edge plate (13) facing the driven wheels (10) inside the first speed reduction gear set.

4. A novel curtain motor according to claim 3, characterized in that: A lower fixing ring (21) is sleeved at the bottom end of the speed reducer (3), an outer positioning collar (22) is sleeved outside the speed reducer (3), and the top of the speed reducer (3) is clamped with the top of the outer positioning collar (22).

5. A novel curtain motor according to claim 3, wherein: A transmission shaft member is further connected between the second speed reduction gear set and the transmission end cover (4), and the transmission shaft member includes a driving plate (15) and a linkage shaft (16); A plurality of shaft rods (14) extending into the shaft connection hole (11) are connected to the bottom end of the driving plate (15) in cooperation with the positions of the driven wheels (10) inside the second speed reduction gear set, a positioning hole (17) is concavely arranged in the middle of the bottom end of the driving plate (15), and a convex rod (18) extending into the positioning hole (17) is convexly arranged at the top of the driving wheel (9) of the second speed reduction gear set; A positioning groove (19) is concavely arranged at the top end of the driving plate (15), the bottom end of the linkage shaft (16) is sleeved with the positioning groove (19), and the top of the linkage shaft (16) is connected with the bottom end of the transmission end cover (4).

6. A novel curtain motor according to claim 1, characterized in that: A connection notch capable of accommodating a spline groove (7) is provided at the top end of the outer chassis (1), and a bushing (20) is provided between the connection notch and the transmission end cover (4).

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