Precise synchronous ultra-silence ball screw lifting window device

Abstract

The utility model provides an accurate synchronous ultra silence ball screw lift window device relates to electric lift window field, including window subassembly, window subassembly includes window frame and movable window, the window frame includes frame, activity chamber and equipment chamber, the window frame is used for providing installation space, movable window is located the upper end of activity chamber inner cavity, and the equipment chamber is located the upper end of activity chamber inner cavity. Lifting mechanisms are installed on the two sides of an inner cavity of the equipment cavity. Through cooperation of the sleeve, the ball screw, the ball nut, the connecting plate, the servo motor and the worm and gear speed reducer, the effect of driving the movable window to ascend and descend is achieved, the ball screw and the ball nut adopt the mode that steel balls roll to transmit power, direct contact with a transmission shaft is effectively avoided, and the service life of the movable window is prolonged. According to the utility model, the high-precision position transmission and control capability is realized, the movement stability can be ensured, and noise and vibration caused by unstable movement or vibration are prevented, so that the mute effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric lifting window field, concretely is a kind of precision synchronous super-silent ball screw lifting window device. BACKGROUND

[0002] Electric lifting window is a kind of equipment to control window opening and closing by electric drive system, it is usually composed of electric motor, control system and window frame components, can realize the automatic lifting of window, it is convenient for user to adjust the ventilation or light-shading effect of window according to demand, electric lifting window is widely used in modern building, in high-rise residential, electric lifting window can be convenient for householder to open or close window;

[0003] The drive mode of electric lifting window usually has belt drive, chain drive, gear rack drive and cable drive, these drive modes are all dependent on motor to realize power output, chain drive is famous for its outstanding stability and durability, but its noise is larger and positioning accuracy is lower;Belt drive can effectively reduce noise, but the durability of belt is insufficient;Gear rack drive mode is favored with its high transmission efficiency and accurate lifting control, and the service life is relatively longer, but its structure is relatively complex, and the cost is also higher;Cable drive this drive mode is driven by electric motor, cable is pulled by pulley system again, and window is lifted, the advantage of cable drive is that the structure is relatively simple, and the cost is lower, and long distance lifting can be realized, however, its disadvantage is that cable is easy to wear, and it needs regular maintenance.

[0004] Therefore, the utility model provides a kind of precision synchronous super-silent ball screw lifting window device to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A kind of precision synchronous super-silent ball screw lifting window device, including window assembly, the window assembly includes window frame and movable window, the window frame includes frame, movable chamber and equipment chamber, the window frame is used to provide installation space, the movable window is located the upper end of movable chamber inner cavity, and is slidably connected with movable chamber inner cavity, lifting mechanism is installed on the both sides of equipment chamber inner cavity, the lifting mechanism is used to drive movable window to lift, the lifting mechanism includes sleeve, ball screw, ball nut, connecting plate, servo motor, worm gear reducer and nut cover, the sleeve is fixedly connected with the inner wall of equipment chamber, the servo motor and worm gear reducer are all fixed to the upper end of equipment chamber inner cavity, the ball screw and ball nut are all installed in the inner chamber of sleeve, one end of the connecting plate is fixedly connected with movable window, the other end of the connecting plate is fixedly connected with nut cover, the nut cover is sleeved on the surface of ball nut.

[0007] Further, in the utility model, the one end of the ball screw is movably connected with the inner wall of the sleeve through the bearing, the other end of the ball screw is penetrated to the outside of the sleeve and is in transmission connection with the output shaft of the worm gear reducer, the nut sleeve is movably connected with the ball nut through the ball.

[0008] Further, in the utility model, the ball nut sleeve is arranged on the surface of the ball screw and is in threaded connection with the surface of the ball screw, the output shaft of the servo motor is in transmission connection with the input shaft of the worm gear reducer.

[0009] Further, in the utility model, the lifting mechanism further includes a controller, the controller is fixed on the surface of the frame, and the output end of the controller is connected with the input end of the servo motor.

[0010] Further, in the utility model, the window assembly further includes a fixed window and a handrail, the fixed window is fixed on the lower end of the inner cavity of the frame, and the handrail is fixed on the surface of the frame.

[0011] Beneficial effects, the utility model has the following beneficial effects:

[0012] The utility model discloses the cooperation of sleeve, ball screw, ball nut, connecting plate, servo motor and worm gear reducer, realizes the effect that driving movable window carries out lifting movement, adopts the mode that steel ball rolls and transfers power to ball screw and ball nut, effectively avoids the direct contact with transmission shaft, reduces the friction loss, and further improves transmission efficiency, not only has high-precision position transmission and control ability, but also can ensure the stability of movement, prevents the noise and vibration produced due to unstable movement or vibration, thereby reaches the mute effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structure schematic diagram of the utility model;

[0014] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0015] Figure 3 It is the separation state structure schematic diagram of movable window and lifting mechanism of the utility model;

[0016] Figure 4 It is the front view structure schematic diagram of the window frame of the utility model.

[0017] In the drawing:

[0018] 1. window assembly; 11. window frame; 111. frame; 112. movable chamber; 113. equipment chamber; 12. movable window; 13. fixed window; 14. handrail; 2. lifting mechanism; 201. sleeve; 202. ball screw; 203. ball nut; 204. connecting plate; 205. servo motor; 206. worm gear reducer; 207. controller; 208. nut sleeve. DETAILED DESCRIPTION

[0019] In order to better understand the technical content of the utility model, specific embodiments are described below with the accompanying drawings. In the present disclosure, aspects of the utility model are described with reference to the accompanying drawings, which show many embodiments of the description. The embodiments of the present disclosure are not necessarily defined in all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of a number of ways, as the concepts and embodiments disclosed by the utility model are not limited to any implementation. In addition, some aspects of the utility model can be used alone or in any appropriate combination with other aspects of the utility model.

[0020] Embodiment 1

[0021] As Figures 1-4 shown, the first embodiment of the utility model provides a precise synchronous ultra-quiet ball screw lifting window device, which comprises a window assembly 1, the window assembly 1 comprising a window frame 11 and a movable window 12, the window frame 11 comprising a frame 111, a movable chamber 112 and an equipment chamber 113, the window frame 11 being used to provide a mounting space, the movable window 12 being located at the upper end of the inner cavity of the movable chamber 112 and being in sliding connection with the inner cavity of the movable chamber 112, the equipment chamber 113 being provided with a lifting mechanism 2 on both sides of the inner cavity, the lifting mechanism 2 being used to drive the movable window 12 to lift, the lifting mechanism 2 comprising a sleeve 201, a ball screw 202, a ball nut 203, a connecting plate 204, a servo motor 205, a worm gear reducer 206 and a nut sleeve 208, the sleeve 201 being fixedly connected with the inner wall of the equipment chamber 113, the servo motor 205 and the worm gear reducer 206 being fixed to the upper end of the inner cavity of the equipment chamber 113, the ball screw 202 and the ball nut 203 being installed in the inner cavity of the sleeve 201, one end of the connecting plate 204 being fixedly connected with the movable window 12, the other end of the connecting plate 204 being fixedly connected with the nut sleeve 208, and the nut sleeve 208 being sleeved on the surface of the ball nut 203.

[0022] As Figures 1-4As shown, the output shaft of the servo motor 205 drives the ball screw 202 to rotate in the sleeve 201 through the forward rotation and the worm gear reducer 206, the sleeve 201 serves to protect the ball screw 202, and when the ball screw 202 rotates, the ball nut 203 is moved downward along the surface of the ball screw 202, the ball screw 202 moves the nut sleeve 208 to move at the same time, the nut sleeve 208 moves the movable window 12 downward through the connecting plate 204, when the output shaft of the servo motor 205 reverses, the movable window 12 moves upward, so as to realize the lifting function of the movable window 12, the ball screw 202 and the ball nut 203 transmit power through the rolling of the steel ball, which avoids direct contact with the transmission shaft and reduces friction loss, thereby improving the transmission efficiency, not only has high-precision position transmission and control ability, but also maintains the stability of the movement, effectively avoids noise and vibration caused by unstable movement or vibration, thereby realizing the mute effect.

[0023] Embodiment 2

[0024] Referring to Figures 1-4 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.

[0025] In the embodiment, one end of the ball screw 202 is movably connected to the inner wall of the sleeve 201 through a bearing, the other end of the ball screw 202 penetrates to the outside of the sleeve 201 and is in transmission connection with the output shaft of the worm gear reducer 206, and the nut sleeve 208 is movably connected with the ball nut 203 through balls.

[0026] The ball nut 203 is sleeved on the surface of the ball screw 202 and is in threaded connection with the surface of the ball screw 202, and the output shaft of the servo motor 205 is in transmission connection with the input shaft of the worm gear reducer 206.

[0027] The lifting mechanism 2 further comprises a controller 207, the controller 207 is fixed to the surface of the frame 111, and the output end of the controller 207 is connected with the input end of the servo motor 205.

[0028] The window assembly 1 further comprises a fixed window 13 and a handrail 14, the fixed window 13 is fixed to the lower end of the inner cavity of the frame 111, and the handrail 14 is fixed to the surface of the frame 111.

[0029] As Figures 1-4As shown, the controller 207 can be connected with an external remote controller or touch screen, the lifting signal is received through the controller 207, the controller 207 starts and stops the servo motor 205, so that the lifting movement of the movable window 12 is realized, the inside of the frame 111 can be filled with polyurethane plate, which is used for improving the heat preservation performance and sound insulation performance of the window, the frame 111 is made of aluminum alloy material, the surfaces of the movable window 12 and the fixed window 13 are embedded with hollow glass, and the surfaces and the connecting portions of the movable window 12 and the fixed window 13 are further provided with heat insulation sealing strips.

[0030] In use, the output shaft of the servo motor 205 rotates positively to drive the ball screw 202 to rotate in the inner cavity of the sleeve 201 through the worm gear reducer 206, the sleeve 201 is used for protecting the ball screw 202, the ball screw 202 drives the ball nut 203 to move downward along the surface of the ball screw 202 when rotating, the ball screw 202 drives the nut sleeve 208 to move when moving, the nut sleeve 208 drives the movable window 12 to move downward through the connecting plate 204 when moving, the output shaft of the servo motor 205 reverses, and then the movable window 12 can be driven to move upward, so that the lifting of the movable window 12 can be realized, the ball screw 202 and the ball nut 203 utilize the rolling mode of steel balls to transmit power, friction loss caused by direct contact with the transmission shaft is avoided, so that the transmission efficiency is improved, not only the advantages of high-precision position transmission and position control are achieved, but also the stability of movement can be maintained, noise and vibration caused by unstable movement or vibration are avoided, so that the mute effect is realized.

[0031] The standard parts used in the application file can be purchased from the market, and can be customized according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, which belongs to the common knowledge in the field, and the application is mainly used to protect the mechanical device, so the control mode and the circuit connection are not explained in detail.

[0032] Although the utility model has disclosed as above with preferred embodiments, it is not used to limit the utility model. Those skilled in the art without departing from the spirit and scope of the utility model can make various changes and decorations. Therefore, the protection scope of the utility model is defined by the claims.

Claims

1. A precision synchronous ultra-quiet ball screw lifting window device, comprising a window assembly (1), characterized in that: The window assembly (1) comprises a window frame (11) and a movable window (12), the window frame (11) comprises a frame (111), a movable chamber (112) and a device chamber (113), the window frame (11) is used for providing a mounting space, the movable window (12) is located at the upper end of the inner cavity of the movable chamber (112) and is in sliding connection with the inner cavity of the movable chamber (112), and the device chamber (113) is provided with a lifting mechanism (2) on both sides of the inner cavity, the lifting mechanism (2) is used for driving the movable window (12) to lift, the lifting mechanism (2) comprises a sleeve (201), a ball screw (202), a ball nut (203), a connecting plate (204), a servo motor (205), a worm gear reducer (206) and a nut sleeve (208), the sleeve (201) is fixedly connected with the inner wall of the device chamber (113), the servo motor (205) and the worm gear reducer (206) are fixedly connected with the upper end of the inner cavity of the device chamber (113), the ball screw (202) and the ball nut (203) are arranged in the inner cavity of the sleeve (201), one end of the connecting plate (204) is fixedly connected with the movable window (12), the other end of the connecting plate (204) is fixedly connected with the nut sleeve (208), and the nut sleeve (208) is sleeved on the surface of the ball nut (203).

2. The precision synchronous ultra-quiet ball screw lifting window device according to claim 1, characterized in that: One end of the ball screw (202) is movably connected with the inner wall of the sleeve (201) through a bearing, the other end of the ball screw (202) penetrates to the outside of the sleeve (201) and is in transmission connection with the output shaft of the worm gear reducer (206), and the nut sleeve (208) is movably connected with the ball nut (203) through balls.

3. The precision synchronous ultra-quiet ball screw lifting window device according to claim 1, characterized in that: The ball nut (203) is sleeved on the surface of the ball screw (202) and is in threaded connection with the surface of the ball screw (202), and the output shaft of the servo motor (205) is in transmission connection with the input shaft of the worm gear reducer (206).

4. The precision synchronous ultra-quiet ball screw lifting window device according to claim 1, characterized in that: The lifting mechanism (2) further comprises a controller (207), the controller (207) is fixedly connected with the surface of the frame (111), and the output end of the controller (207) is connected with the input end of the servo motor (205).

5. The precision synchronous ultra-quiet ball screw window lifting device according to claim 1, wherein: The window assembly (1) further comprises a fixed window (13) and a handrail (14), the fixed window (13) is fixedly connected with the lower end of the inner cavity of the frame (111), and the handrail (14) is fixedly connected with the surface of the frame (111).

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