Handheld electric curtain rolling device

Abstract

The utility model discloses a handheld electric curtain rolling device which comprises a shell, a control button, a storage battery, a driving motor, a speed reducing mechanism and an output shaft. The control button is fixed to a grip of the shell, the operation end of the control button extends out of the shell, the storage battery is buckled to the lower end of the grip, the driving motor and the speed reducing mechanism are fixed into the front end of the shell, the input end of the speed reducing mechanism is in transmission connection with a rotating shaft of the driving motor, and one end of the output shaft is in transmission connection with the output end of the speed reducing mechanism. The other end of the output shaft extends out of the shell and is provided with a bit; the driving motor is electrically connected with the storage battery after being connected in series with a control button; the driving assembly in the take-up and pay-off mechanism can be driven to move in an electric driving mode, so that convenience can be brought to take-up and pay-off of the curtain cloth, the aim of saving time and labor can be achieved, and the take-up and pay-off efficiency of the curtain cloth can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tools, in particular to a handheld electric roller shutter. Background Art

[0002] The retracting and extending mechanisms currently available on the market for retracting and extending the curtains rely on a manual method when retracting and extending the curtains, that is, holding a crank and plugging one end of the crank into a driving component in the retracting and extending mechanism. When the crank is manually turned, the crank can drive the driving component to move, thereby achieving the retraction and extension of the curtains. However, in the above structure, since the driving component located in the retracting and extending mechanism needs to be manually driven by the crank, there are disadvantages of being time-consuming, labor-intensive and having low driving efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a handheld electric roller shutter, which can drive the driving components in the retracting and releasing mechanism to move by electric drive, thereby making it convenient to retract and release the curtain, saving time and effort, and improving the efficiency of retracting and releasing the curtain.

[0004] The utility model discloses a handheld electric roller shutter, comprising a shell, a control button, a battery, a driving motor, a speed reduction mechanism and an output shaft; the control button is fixed on a handle of the shell, and an operating end of the control button extends out of the shell, the battery is buckled on the lower end of the handle, the driving motor and the speed reduction mechanism are both fixed inside the front end of the shell, the input end of the speed reduction mechanism is transmission-connected with the rotating shaft of the driving motor, one end of the output shaft is transmission-connected with the output end of the speed reduction mechanism, the other end of the output shaft extends out of the shell and is provided with a screwdriver, and the driving motor is electrically connected to the battery after being connected in series with the control button.

[0005] The utility model can drive the driving components in the retracting and releasing mechanism to move by means of electric drive, thereby bringing convenience to the retracting and releasing of the curtain cloth, achieving the purpose of saving time and labor, and improving the efficiency of retracting and releasing the curtain cloth.

[0006] The utility model provides a handheld electric roller shutter, wherein the reduction mechanism comprises a support tube, a gear ring and a multi-stage planetary gear set, the support tube is mounted inside a shell and is circumferentially limited with the shell, the gear ring is mounted inside the support tube and is circumferentially limited with the support tube, the multi-stage planetary gear set is transmission-connected to the inner side of the gear ring, the input end of the multi-stage planetary gear set is transmission-connected to the rotating shaft of the driving motor, one end of the output shaft is transmission-connected to the output end of the multi-stage planetary gear set, and the other end of the output shaft is movable through the support tube and extends out of the shell; by adopting this reduction mechanism, when the rotating shaft of the driving motor rotates, the driving motor can drive the multi-stage planetary gear set to rotate relative to the gear ring, and when the multi-stage planetary gear set rotates, it can drive the output shaft to rotate; by adopting the above structure, for the driving motor, the purpose of reducing speed and increasing torque can be achieved, that is, the driving capacity of the output shaft can be improved.

[0007] The utility model discloses a handheld electric roller shutter, in which a pair of embedded blocks are arranged on the outer wall of the support tube, the pair of embedded blocks are embedded with the inner wall of the shell, and the support tube is circumferentially limited with the shell by the pair of embedded blocks; by adopting this structure, after the support tube is assembled into the shell, the pair of embedded blocks can be embedded with the inner wall of the shell, so that the support tube can be reliably circumferentially limited inside the shell and can be reliably assembled with the shell.

[0008] The handheld electric roller shutter device of the utility model is characterized in that an annular step for abutting against the front end of the gear ring is provided on the inner wall of the front end of the supporting tube, and a plurality of limiting grooves distributed at circumferential intervals are provided on the annular step, and a limiting block corresponding to each limiting groove is provided at the front end of the gear ring, and each limiting block is engaged with the limiting groove at the corresponding position; a retaining ring is embedded in the interior of the supporting tube located at the rear side of the gear ring, and the front end of the retaining ring abuts against the rear end of the gear ring, and a pair of limiting rods are provided on the rear side of the retaining ring, each limiting rod extends along the radial direction of the supporting tube, and each limiting rod abuts against the rear end of the retaining ring, and both ends of each limiting rod are penetrated in the supporting tube and tightly matched with the supporting tube; after adopting this structure, under the action of the limiting rod and the retaining ring, the gear ring can be reliably pressed against the annular step, and under the cooperation of the limiting block and the limiting groove, the purpose of circumferential limiting can be reliably achieved between the gear ring and the supporting tube.

[0009] The utility model provides a handheld electric roller shutter, in which a transmission gear is fixed on the rotating shaft of the driving motor, and the transmission gear is transmission-connected to the input end of the multi-stage planetary gear set; by adopting this structure, the input end of the transmission gear can be reliably transmission-connected to the rotating shaft of the driving motor under the action of the transmission gear.

[0010] In the handheld electric roller shutter of the utility model, a bearing is embedded between the output shaft and the support tube. By adopting this structure, wear between the output shaft and the support tube can be avoided, and the rotation of the output shaft can be made smoother.

[0011] The handheld electric roller shutter device of the utility model is characterized in that a connecting plate is fixed to the front end of the driving motor, and the front end of the connecting plate is inserted into the rear end of the supporting tube, and two lugs uniformly distributed in the circumferential direction are arranged on the outer wall of the front end of the connecting plate, and slots corresponding to the two lugs are arranged on the inner wall of the rear end of the supporting tube, and a card slot is arranged on one side of each slot, and when each lug is inserted into the slot at the corresponding position and the connecting plate rotates relative to the supporting tube, each lug is snapped into the card slot at the corresponding position to lock the connecting plate and the supporting tube; by adopting this structure, when each lug is inserted into the slot at the corresponding position and the connecting plate rotates relative to the supporting tube, each lug can be snapped into the card slot at the corresponding position to lock the connecting plate and the supporting tube, and at this time, the reduction mechanism can be reliably connected to the driving motor, that is, the reduction mechanism can be effectively prevented from being separated from the driving motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model after removing part of the shell;

[0015] Figure 3 This is the first three-dimensional structural schematic diagram after the drive motor and the reduction mechanism are separated;

[0016] Figure 4 It is a second three-dimensional structural schematic diagram after the drive motor and the reduction mechanism are separated;

[0017] Figure 5 It is a three-dimensional cross-sectional structural diagram of the drive motor and the reduction mechanism after assembly;

[0018] Figure 6 It is a schematic diagram of the three-dimensional structure of the support tube;

[0019] Figure 7 This is a schematic diagram of the three-dimensional structure of the reduction mechanism after removing the support cylinder. DETAILED DESCRIPTION

[0020] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0021] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] like Figure 1-7 As shown, the handheld electric roller shutter of the utility model comprises a housing 1, a control button 2, a battery 3, a drive motor 4, a reduction mechanism 5 and an output shaft 6; the control button 2 is fixed on the handle 11 of the housing 1, and the operating end of the control button 2 extends out of the housing 1, the battery 3 is buckled on the lower end of the handle 11, the drive motor 4 and the reduction mechanism 5 are both fixed inside the front end of the housing 1, the input end of the reduction mechanism 5 is transmission-connected to the rotating shaft of the drive motor 4, one end of the output shaft 6 is transmission-connected to the output end of the reduction mechanism 5, the other end of the output shaft 6 extends out of the housing 1 and is provided with a screwdriver bit 61, and the drive motor 4 is electrically connected to the battery 3 after being connected in series with the control button 2.

[0023] The reduction mechanism 5 includes a support tube 51, a ring gear 52 and a multi-stage planetary gear set 53. The support tube 51 is installed inside the shell 1 and is limited circumferentially with the shell 1. The ring gear 52 is installed inside the support tube 51 and is limited circumferentially with the support tube 51. The multi-stage planetary gear set 53 is transmission-connected to the inner side of the ring gear 52. The input end of the multi-stage planetary gear set 53 is transmission-connected to the rotating shaft of the drive motor 4. One end of the output shaft 6 is transmission-connected to the output end of the multi-stage planetary gear set 53. The other end of the output shaft 6 is movable through the support tube 51 and extends out of the shell 1. After adopting this reduction mechanism, when the rotating shaft of the drive motor rotates, the drive motor can drive the multi-stage planetary gear set to rotate relative to the ring gear. When the multi-stage planetary gear set rotates, it can drive the output shaft to rotate. After adopting the above structure, for the drive motor, the purpose of reducing speed and increasing torque can be achieved, that is, the driving ability of the output shaft can be improved.

[0024] A pair of blocks 511 are provided on the outer wall of the support tube 51, and the pair of blocks 511 are embedded with the inner wall of the shell 1, and the support tube 51 is circumferentially limited with the shell 1 by the pair of blocks 511; by adopting this structure, after the support tube is assembled into the shell, the pair of blocks can be embedded with the inner wall of the shell, so that the support tube can be reliably circumferentially limited inside the shell and can be reliably assembled with the shell.

[0025] The inner wall of the front end of the support cylinder 51 is provided with an annular step 512 for abutting against the front end of the gear ring 52, and the annular step 512 is provided with a plurality of limiting grooves 513 distributed at circumferential intervals. The front end of the gear ring 52 is provided with a limiting block 521 corresponding to each limiting groove 513, and each limiting block 521 is engaged with the limiting groove 513 at the corresponding position; a retaining ring 54 is embedded in the interior of the support cylinder 51 located at the rear side of the gear ring 52, and the front end of the retaining ring 54 abuts against the rear end of the gear ring 52, and the retaining ring A pair of limiting rods 55 are provided on the rear side of 54, each limiting rod 55 extends in the radial direction of the support tube 51, each limiting rod 55 abuts against the rear end of the retaining ring 54, and both ends of each limiting rod 55 are passed through the support tube 51 and tightly fit with the support tube 51; by adopting this structure, under the action of the limiting rod and the retaining ring, the gear ring can be reliably pressed against the annular step, and under the cooperation of the limiting block and the limiting groove, the purpose of circumferential limitation can be reliably achieved between the gear ring and the support tube.

[0026] A transmission gear 41 is fixed on the rotating shaft of the driving motor 4, and the transmission gear 41 is drivingly connected to the input end of the multi-stage planetary gear set 53; by adopting this structure, the input end of the transmission gear can be reliably connected to the rotating shaft of the driving motor under the action of the transmission gear.

[0027] A bearing 56 is embedded between the output shaft 6 and the support tube 51; by adopting this structure, wear between the output shaft and the support tube can be avoided, and the rotation of the output shaft can be made smoother.

[0028] A connecting plate 7 is fixed to the front end of the driving motor 4, and the front end of the connecting plate 7 is inserted into the rear end of the supporting tube 51. Two lugs 71 evenly distributed in the circumferential direction are provided on the outer wall of the front end of the connecting plate 7, and slots 514 corresponding to the two lugs 71 are provided on the inner wall of the rear end of the supporting tube 51. A clamping groove 515 is provided on one side of each slot 514. When each lug 71 is inserted into the slot 514 at the corresponding position and the connecting plate 7 is rotated relative to the supporting tube 51, each lug 71 is snapped into the clamping groove 515 at the corresponding position to lock the connecting plate 7 and the supporting tube 51; by adopting this structure, when each lug is inserted into the slot at the corresponding position and the connecting plate is rotated relative to the supporting tube, each lug can be snapped into the clamping groove at the corresponding position to lock the connecting plate and the supporting tube. At this time, the reduction mechanism can be reliably connected to the driving motor, that is, the reduction mechanism can be effectively prevented from being separated from the driving motor.

[0029] When the utility model is in use, the screwdriver bit is plugged into the driving component in the retractable mechanism. When the control button is pressed to drive the output shaft to rotate toward one side via the reduction mechanism, the retractable mechanism can realize the winding of the curtain. When the control button is pressed to drive the output shaft to rotate toward the other side via the reduction mechanism, the retractable mechanism can realize the sending of the curtain. In addition, a dial button is provided on the above-mentioned control button. When the dial button is pushed toward one side and the control button is pressed, the driving motor can rotate forward. When the dial button is pushed toward the other side and the control button is pressed, the driving motor can reverse, thereby realizing the forward and reverse control of the output shaft. In addition, the above-mentioned control button with a dial button is an existing component currently on the market, that is, the prior art, and it will not be described here.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A handheld electric roller shutter, characterized in that: The invention comprises a housing (1), a control button (2), a storage battery (3), a driving motor (4), a speed reduction mechanism (5) and an output shaft (6); the control button (2) is fixed on a handle (11) of the housing (1), and the operating end of the control button (2) extends out of the housing (1); the storage battery (3) is buckled at the lower end of the handle (11); the driving motor (4) and the speed reduction mechanism (5) are both fixed inside the front end of the housing (1); the input end of the speed reduction mechanism (5) is transmission-connected to the rotating shaft of the driving motor (4); one end of the output shaft (6) is transmission-connected to the output end of the speed reduction mechanism (5); the other end of the output shaft (6) extends out of the housing (1) and is provided with a screwdriver bit (61); the driving motor (4) is connected in series with the control button (2) and then electrically connected to the storage battery (3).

2. The handheld electric roller shutter device according to claim 1, characterized in that: The speed reduction mechanism (5) comprises a support tube (51), a ring gear (52) and a multi-stage planetary gear set (53); the support tube (51) is mounted inside the housing (1) and is circumferentially limited with the housing (1); the ring gear (52) is mounted inside the support tube (51) and is circumferentially limited with the support tube (51); the multi-stage planetary gear set (53) is transmission-connected to the inner side of the ring gear (52); the input end of the multi-stage planetary gear set (53) is transmission-connected to the rotating shaft of the drive motor (4); one end of the output shaft (6) is transmission-connected to the output end of the multi-stage planetary gear set (53); the other end of the output shaft (6) movably passes through the support tube (51) and then extends out of the housing (1).

3. The handheld electric roller shutter device according to claim 2, characterized in that: A pair of inserts (511) are provided on the outer wall of the support tube (51), and the pair of inserts (511) are embedded with the inner wall of the shell (1). The support tube (51) is circumferentially limited with the shell (1) by the pair of inserts (511).

4. The handheld electric roller shutter device according to claim 2, characterized in that: An annular step (512) for abutting against the front end of the gear ring (52) is arranged on the inner wall of the front end of the support tube (51), and a plurality of limiting grooves (513) distributed at circumferential intervals are arranged on the annular step (512), and a limiting block (521) corresponding to each limiting groove (513) is arranged at the front end of the gear ring (52), and each limiting block (521) is engaged with the limiting groove (513) at a corresponding position; A retaining ring (54) is embedded inside the support tube (51), and the front end of the retaining ring (54) abuts against the rear end of the gear ring (52). A pair of limiting rods (55) are provided on the rear side of the retaining ring (54), and each of the limiting rods (55) extends along the radial direction of the support tube (51). Each of the limiting rods (55) abuts against the rear end of the retaining ring (54), and both ends of each of the limiting rods (55) are inserted into the support tube (51) and tightly fit with the support tube (51).

5. The handheld electric roller shutter device according to claim 2, characterized in that: A transmission gear (41) is fixed on the rotating shaft of the driving motor (4), and the transmission gear (41) is in transmission connection with the input end of the multi-stage planetary gear set (53).

6. The handheld electric roller shutter device according to claim 2, characterized in that: A bearing (56) is embedded between the output shaft (6) and the support cylinder (51).

7. The handheld electric roller shutter device according to any one of claims 2 to 6, characterized in that: A connecting plate (7) is fixed to the front end of the driving motor (4), and the front end of the connecting plate (7) is inserted into the rear end of the supporting tube (51). Two lugs (71) evenly distributed in the circumferential direction are arranged on the outer wall of the front end of the connecting plate (7), and slots (514) corresponding to the two lugs (71) are arranged on the inner wall of the rear end of the supporting tube (51), and a clamping groove (515) is arranged on one side of each of the slots (514). When each lug (71) is inserted into the slot (514) at a corresponding position and after the connecting plate (7) rotates relative to the supporting tube (51), each lug (71) is clamped into the clamping groove (515) at a corresponding position to lock the connecting plate (7) and the supporting tube (51).

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