Novel shaft-driven roller shutter door opening and closing machine

Abstract

The utility model relates to the field of roller shutter door accessories, in particular to a novel shaft-driven roller shutter door opening and closing machine which comprises a driving motor and a gear box, the driving motor is fixed on the outer side of the gear box, the output end of the driving motor is in transmission connection with a motor shaft extending into the gear box, a speed reduction shaft is arranged in the gear box, and the speed reduction shaft is in transmission connection with the gear box. A transmission shaft extending outwards is rotationally arranged in the gear box below the speed reduction shaft, and a rotating box for supporting the transmission shaft to rotate is arranged on the outer side of the gear box. The roller shutter has the advantages that a traditional transmission mode that a chain drives the roller shutter shaft to rotate is replaced with gear transmission, better safety guarantee is provided for the roller shutter in the opening and closing process, and due to the fact that shaft and gear transmission runs in a closed gearbox, external interference is avoided; in addition, the speed reduction shaft is arranged, through gear speed reduction transmission, the curtain pieces can descend slowly and safely under the action of the speed reduction shaft, and therefore the door pieces and personal safety are protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of roller shutter door accessories, and particularly relates to a novel shaft drive roller shutter door opening and closing machine. BACKGROUND

[0002] The roller shutter door is a common door type and is widely used in commercial, industrial and residential fields. It is composed of a series of vertically arranged curtain pieces which are connected together through a guide rail system and a roller shaft device. The curtain pieces can be rolled up to open the door or rolled down to close the door. The existing installation structure of the motor on the support plate is that a chain wheel disc is installed on the support plate, a connecting sleeve is arranged on the chain wheel disc, two grooves are formed on the connecting sleeve, a protruding piece matched with the grooves is fixed on the large shaft, and the large shaft is driven to rotate to guide the winding and lifting of the curtain pieces. The current roller shutter door adopts chain transmission, the chain is easy to break, and since the roller shutter motor is installed at a high position, it is inconvenient to maintain the chain. Moreover, the current roller shutter door motor relies on the support plate for installation, and the horizontal positioning and installation stability of the support plate are required to be high. If the installation is not in place, the motor is likely to be damaged, the chain is likely to be broken, the welding is likely to be broken, and the door is likely to fall off, which may cause a safety accident. SUMMARY

[0003] The utility model discloses a novel shaft drive roller shutter door opening and closing machine which replaces the traditional chain drive roller door shaft rotation transmission form with gear transmission to provide better safety guarantee for the opening and closing process of the roller shutter. Since the shaft and the gear transmission operate in a closed gear box, external interference is avoided. In addition, a reduction shaft is arranged to transmit power through the gear, so that if the motor brake fails, the curtain pieces will slowly descend under the action of the reduction shaft and safely land, thereby protecting the curtain pieces and personal safety. Meanwhile, the gear box is filled with lubricating grease to facilitate later maintenance and to mute through the lubricating grease, and the mute effect is better. In addition, the reduction shaft cooperates with the transmission shaft to link the roller door shaft, so that the installation of the roller door shaft is more simple and efficient, as described below.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a novel shaft drive roller shutter door opening and closing machine, including drive motor and gear box, drive motor is fixed in gear box outside, drive motor output end transmission connection has the motor shaft of inwards of gear box, gear box inside is provided with the reduction shaft, gear box below outside rotation is provided with the transmission shaft of outward extension, gear box outside is provided with the rotation case of supporting transmission shaft rotation, the rotation case middle part rotation is provided with the longitudinal extension of roller door shaft;

[0006] The front end of the rolling door shaft inside the rotating box is provided with a winding gear, and the middle section of the transmission shaft is coaxially fixed with a transmission shaft two gear meshing with the winding gear, and the outer side of the rolling door shaft is coaxially fixed with a longitudinally extending winding drum.

[0007] The new type of shaft drive rolling shutter door opening and closing machine is used in use, the motor shaft and the end main shaft gear are driven by the driving motor to rotate, the main shaft gear and the reduction shaft one gear on the reduction shaft are meshed, the reduction shaft is driven to rotate in the gear box, the reduction shaft two gear on the reduction shaft is meshed with the transmission shaft one gear of the transmission shaft, the whole transmission shaft is rotated, the winding gear at the end of the rolling door shaft is driven to rotate by the transmission shaft two gear in the middle section of the transmission shaft, so that the power is transmitted to the rolling door shaft and the winding drum, the curtain of the rolling shutter door is wound up or unwound, and the rolling shutter door opening and closing action is realized.

[0008] As preferred, the end of the motor shaft extending into the gear box is coaxially fixed with a main shaft gear, and the gear box and the end of the driving motor are fixed by bolts.

[0009] As preferred, the middle part of the gear box is transversely penetrated by a lower shaft hole accommodating the transmission shaft, and the lower shaft hole is provided with a bearing supporting the rotation of the transmission shaft.

[0010] As preferred, the end surface of the gear box above the lower shaft hole is transversely penetrated by an upper shaft hole accommodating the reduction shaft, and the upper shaft hole is provided with a bearing supporting the rotation of the reduction shaft, and the end of the reduction shaft close to the driving motor is coaxially fixed with a reduction shaft one gear meshing with the main shaft gear.

[0011] As preferred, the middle section of the reduction shaft is coaxially fixed with a reduction shaft two gear, and the end of the transmission shaft extending into the gear box is coaxially fixed with a transmission shaft one gear meshing with the reduction shaft two gear.

[0012] As preferred, the inside of the winding gear is longitudinally penetrated by a gear key groove, and the top side of the front end of the rolling door shaft is provided with a shaft key groove matching the gear key groove.

[0013] As preferred, the outside of the rotating box is provided with an outer shaft hole accommodating the rotation of the end of the transmission shaft, and the front side of the rotating box is detachably provided with a box cover, and the middle part of the box cover is provided with an end cover supporting the rotation of the rolling door shaft.

[0014] As preferred, the four corners of the rotating box are longitudinally penetrated by mounting holes.

[0015] As preferred, the top side of the rotating box is provided with a controller electrically connected with the driving motor.

[0016] The beneficial effect lies in: the utility model discloses a gear transmission is replaced to the transmission form of traditional chain drive rolling door shaft rotation, provides better security guarantee for rolling shutter in the opening, closing process, and because the shaft and gear transmission are in the operation of closed gear box, avoid external interference.

[0017] In addition, the speed reduction shaft is arranged, gear reduction transmission is passed, and if the motor brake failure problem occurs, the curtain piece will slow down under the action of the speed reduction shaft, and the door piece and personal safety are protected by safe landing.

[0018] Meanwhile, the gear box is filled with lubricating grease, convenient for later maintenance, and the lubricating grease is used for silencing, and the mute effect is better.

[0019] In addition, the speed reduction shaft is linked with the transmission shaft to link the rolling door shaft, so that the installation of the rolling door shaft is more simple and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0021] Figure 1 It is the front view structure diagram of the utility model;

[0022] Figure 2 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is the structure split schematic diagram of the utility model;

[0024] Figure 4 It is the local structure split schematic diagram of the utility model;

[0025] Figure 5 It is the structure split schematic diagram of the rolling door shaft and the winding gear of the utility model;

[0026] Figure 6 It is the structure split schematic diagram of the rotating box of the utility model.

[0027] The following explains the reference signs:

[0028] 1, drive motor; 2, motor shaft; 201, main shaft gear; 3, speed reducer shaft; 301, speed reducer shaft gear one; 302, speed reducer shaft gear two; 4, transmission shaft; 401, transmission shaft gear one; 402, transmission shaft gear two; 5, door winding shaft; 501, shaft key groove; 6, winding gear; 601, gear key groove; 7, gear box; 701, lower shaft hole; 702, upper shaft hole; 8, rotating box; 801, outer shaft hole; 802, box cover; 803, end cover; 804, mounting hole; 9, controller; 10, winding drum. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. 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 protected by the utility model.

[0030] Referring to Figures 1-6 The utility model provides a novel axle drive roller shutter door opening and closing machine, including drive motor 1 and gear box 7, drive motor 1 is fixed on the outside of gear box 7, gear box 7 is installed in the inside of roller shutter door box body, the transmission of drive motor 1 output end is connected with the motor shaft 2 that enters the inside of gear box 7, gear box 7 inside is provided with speed reducer shaft 3, the gear box 7 of speed reducer shaft 3 lower is rotationally arranged with the transmission shaft 4 that extends outward, the outside of gear box 7 is provided with the rotating box 8 of supporting transmission shaft 4 rotation, the rotating box 8 middle part is rotationally arranged with the longitudinal extension of door winding shaft 5;

[0031] The one end of motor shaft 2 that enters the inside of gear box 7 is coaxially fixed with main shaft gear 201, the end of gear box 7 and drive motor 1 is fixed with bolt, the middle part of gear box 7 is transversely through with the lower shaft hole 701 of accommodating transmission shaft 4 extension, the inside of lower shaft hole 701 is provided with the bearing of supporting transmission shaft 4 rotation, the end face of gear box 7 above lower shaft hole 701 is transversely through with the upper shaft hole 702 of accommodating speed reducer shaft 3, the inside of this upper shaft hole 702 is provided with the bearing of supporting speed reducer shaft 3 rotation, the one end of speed reducer shaft 3 near drive motor 1 is coaxially fixed with the speed reducer shaft gear one 301 that engages main shaft gear 201, the middle segment of speed reducer shaft 3 is coaxially fixed with speed reducer shaft gear two 302, the one end of transmission shaft 4 that enters the inside of gear box 7 is coaxially fixed with the transmission shaft gear one 401 that engages speed reducer shaft gear two 302;After thus setting, drive motor 1 rotates, drives speed reducer shaft 3 and transmission shaft 4 rotation through motor shaft 2, reduces the rotating speed of transmission shaft 4, increases the torque, to improve the stability of roller shutter door winding and unwinding action;

[0032] The front end of the winding door shaft 5 inside the rotating box 8 is provided with a winding gear 6, the inside of the winding gear 6 is longitudinally penetrated by a gear key groove 601, and the top side of the front end of the winding door shaft 5 is provided with a shaft key groove 501 matched with the gear key groove 601, the outside of the rotating box 8 is provided with an outer shaft hole 801 accommodating the end of the transmission shaft 4 rotating out, and the front side of the rotating box 8 is detachably provided with a box cover 802, the middle of the box cover 802 is provided with an end cover 803 supporting the rotation of the winding door shaft 5, and the four corners of the rotating box 8 are longitudinally penetrated by mounting holes 804. And the middle segment of the transmission shaft 4 is coaxially fixed with a transmission shaft two gear 402 meshing with the winding gear 6, and the outside of the winding door shaft 5 is coaxially fixed with a longitudinally extending winding drum 10.

[0033] Through the multi-stage speed reduction structure formed by the reduction shaft 3 and the transmission shaft 4, when the free falling of the rolling shutter door occurs due to the driving motor 1, the transmission shaft 4 and the reduction shaft 3 are reversed, and the reverse torque is greatly weakened after being transmitted to the driving motor 1. The torque and the friction force required to overcome the rotation of the driving motor 1 are mutually offset, which further reduces the rotation speed of the driving motor 1. Since the rotation speed of the driving motor 1 is always low, the speed of the rolling shutter door is always slow, thereby eliminating the safety accidents caused by the sudden and rapid falling of the rolling shutter door due to mechanical failure, and improving the safety of the rolling shutter door.

[0034] The top side of the rotating box 8 is provided with a controller 9, which is electrically connected with the driving motor 1. The controller 9 is used for controlling the action of the driving motor 1. The controller 9 is connected with a control switch, which can be installed on the door frame or the surrounding wall of the rolling shutter door, and is used for controlling the lifting of the rolling shutter door.

[0035] With the above structure, in use, the motor shaft 2 and the end main shaft gear 201 are rotated by the driving motor 1, the main shaft gear 201 is meshed with the reduction shaft one gear 301 on the reduction shaft 3, the reduction shaft 3 is driven to rotate in the gear box 7, the reduction shaft two gear 302 on the reduction shaft 3 is meshed with the transmission shaft one gear 401 of the transmission shaft 4, the transmission shaft 4 is driven to rotate as a whole, the transmission shaft two gear 402 in the middle segment of the transmission shaft 4 drives the winding gear 6 at the end of the winding door shaft 5 to rotate, thereby transmitting power to the winding door shaft 5 and the winding drum 10. The curtain pieces of the rolling shutter door are wound up or unwound and expanded by the winding drum 10, and the opening and closing action of the rolling shutter door is realized.

[0036] The gear transmission is used to replace the traditional chain drive for rotating the winding door shaft 5, which provides better safety guarantee for the rolling shutter during opening and closing. Since the shaft and gear transmission run in the closed gear box 7, external interference is avoided. Compared with the traditional chain transmission, the integration is higher, the structure is compact, the occupied space is smaller, and the installation is more convenient and fast.

[0037] In addition, the deceleration shaft 3 is arranged to drive the curtain piece to slow down and drop down under the action of the deceleration shaft 3 in case of brake failure of the motor, so as to protect the curtain piece and the human body safety;

[0038] Meanwhile, the lubricating grease is filled in the gear box 7, so that the later maintenance is facilitated, the noise is reduced through the lubricating grease, the mute effect is better, and the noise and abnormal sound of the gear transmission are less than those of the chain transmission.

[0039] In addition, the deceleration shaft 3 is arranged to drive the curtain piece to slow down and drop down under the action of the deceleration shaft 3 in case of brake failure of the motor, so as to protect the curtain piece and the human body safety;

[0040] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A new type of shaft drive roller shutter door opening and closing machine, characterized in that: Including drive motor (1) and gear box (7), the drive motor (1) is fixed to the outside of the gear box (7), the output end of the drive motor (1) is drivingly connected with the motor shaft (2) extending into the inside of the gear box (7), the inside of the gear box (7) is provided with a reduction shaft (3), the gear box (7) is rotatably arranged with the transmission shaft (4) extending outward below the reduction shaft (3), the outside of the gear box (7) is provided with a rotating box (8) supporting the rotation of the transmission shaft (4), the rotating box (8) is rotatably arranged with the vertically extending rolling door shaft (5) in the middle part thereof; The front end of the rolling door shaft (5) is provided with a winding gear (6) inside the rotating box (8), and the transmission shaft (4) is coaxially fixed with a transmission shaft two gear (402) engaging with the winding gear (6) in the middle segment thereof, and the outside of the rolling door shaft (5) is coaxially fixed with a vertically extending winding drum (10).

2. The new type of shaft drive roller shutter door opening and closing machine according to claim 1, characterized in that: The motor shaft (2) is coaxially fixed with a main shaft gear (201) at one end extending into the gear box (7), and the gear box (7) is fixed with the drive motor (1) at the end by bolts.

3. The new type of shaft drive roller shutter door opening and closing machine according to claim 2, characterized in that: The gear box (7) is provided with a lower shaft hole (701) passing through the middle part thereof transversely, the lower shaft hole (701) is provided with a bearing supporting the rotation of the transmission shaft (4) inside the lower shaft hole (701).

4. The new type of shaft drive roller shutter door opening and closing machine according to claim 3, characterized in that: The end face of the gear box (7) above the lower shaft hole (701) is provided with an upper shaft hole (702) passing through the end face transversely, the upper shaft hole (702) is provided with a bearing supporting the rotation of the reduction shaft (3) inside the upper shaft hole (702), and the reduction shaft (3) is coaxially fixed with a reduction shaft one gear (301) engaging with the main shaft gear (201) at one end close to the drive motor (1).

5. The new type of shaft drive roller shutter door opening and closing machine according to claim 4, characterized in that: The reduction shaft (3) is coaxially fixed with a reduction shaft two gear (302) in the middle segment thereof, and the transmission shaft (4) is coaxially fixed with a transmission shaft one gear (401) engaging with the reduction shaft two gear (302) at one end extending into the gear box (7).

6. The new type of shaft drive roller shutter door opening and closing machine according to claim 1, characterized in that: The inside of the winding gear (6) is longitudinally provided with a gear key groove (601), and the front end of the rolling door shaft (5) is provided with a shaft key groove (501) matching the gear key groove (601).

7. The new type of shaft drive roller shutter door opening and closing machine according to claim 6, characterized in that: The outside of the rotating box (8) is provided with an outer shaft hole (801) accommodating the end of the transmission shaft (4) rotating out, and the front side of the rotating box (8) is detachably provided with a box cover (802), and the middle part of the box cover (802) is provided with an end cover (803) supporting the rotation of the rolling door shaft (5).

8. The new type of shaft drive roller shutter door opening and closing machine according to claim 7, characterized in that: The rotating box (8) is longitudinally provided with a mounting hole (804) at each corner thereof.

9. The new type of shaft drive roller shutter door opening and closing machine according to claim 1, characterized in that: The top side of the rotating box (8) is provided with a controller (9), and the controller (9) is electrically connected with the drive motor (1).

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