Manual and electric integrated brake transmission case

Abstract

The utility model belongs to the technical field of transmission mechanisms, and particularly relates to a manual and electric integrated brake transmission case which comprises a driving shaft, one end of the driving shaft is provided with a driving butt joint end, the other end of the driving shaft is in driving connection with a manual rotating shaft, and the outer side of the driving shaft is fixedly sleeved with a worm. The side face of the worm is meshed with the worm gear, the tooth number of the worm gear is larger than the number of the worms, and the worm gear is in driving connection with a power rotating shaft. One-way transmission provided by a worm and worm gear mechanism is used for achieving the technical effect that the power rotating shaft can be driven to rotate only through rotation of one end of the driving shaft, automatic braking can be achieved after the driving shaft stops, and under the normal condition, the driving shaft cannot rotate when power is input into the power rotating shaft; and the driving shaft can support a manual transmission mode or an automatic transmission mode without operation switching, so that the use convenience is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission mechanisms, in particular to a hand-electric integrated brake transmission box. Background Art

[0002] With the booming development of my country's real estate and other construction industries, new designs and technologies are constantly emerging amidst fierce market competition, and people's expectations for building functionality and quality are constantly increasing. Open balconies are dusty and have low space utilization, while fully enclosed balconies damage the facade and provide poor ventilation. Furthermore, bottom-hung, tilt-out, and top-hung, outward-opening windows carry a high risk of loosening and falling when opened. Therefore, vertically-lifting, automatic windows are considered a less-problematic window upgrade solution.

[0003] Common automatic lifting windows on the market are shown in the patent document with patent number CN202123224176.X and the name "A manual and electric integrated thermal insulation aluminum alloy window". It includes a frame, a lifting glass panel, a fixed glass panel and a sliding seat. The lifting glass panel is slidably installed at the bottom of the inner cavity of the frame, and the fixed glass panel is fixedly installed at the top of the inner cavity of the frame, and the fixed glass panel is located on the top of the lifting glass panel. The top of the lifting glass panel is fixedly installed with a sliding seat, and a first lifting mechanism is installed on one side of the inner cavity of the frame; by setting the first lifting mechanism and the second lifting mechanism, the aluminum alloy window can automatically realize the up and down lifting operation, and the operation is simple and convenient, and by using the cooperation of the locking gear and the manual handle, the aluminum alloy window can also manually drive the first lifting mechanism to rotate to realize manual lifting of the lifting glass panel.

[0004] Although the above-mentioned automatic window lifting structure can realize the automatic switching of manual lifting and lowering, it requires frequent operation of the locking gear to move in order to switch between manual and self-driving modes and to lock. It is inconvenient to use and there is a lot of room for improvement. Utility Model Content

[0005] In order to solve the problems that the existing automatic window lifting solution requires pushing and pulling the locking gear to switch between manual and automatic modes and lock, has many setting steps and is inconvenient to use, and the user experience needs to be improved, a manual-electric integrated brake transmission box is provided.

[0006] A manual-electric integrated brake transmission box includes a drive shaft, one end of which is provided with a drive docking end, and the other end is drive-connected to a manual rotating shaft. A worm is fixedly sleeved on the outer side of the drive shaft, and the side surface of the worm is meshed with a worm wheel and the number of teeth of the worm wheel is greater than the number of heads of the worm, and the worm wheel is drive-connected to a power rotating shaft.

[0007] Furthermore, the manual shaft is connected to the drive shaft through a speed-increasing gear, and the worm gear is connected to the power shaft through a speed-increasing gear.

[0008] Furthermore, the drive shaft is installed on the inner side of the protective box, and the drive docking end is coaxially connected to the drive shaft and protrudes outward from the protective box.

[0009] Furthermore, the manual rotating shaft is horizontally installed on the front outer side of the protective box body, and the driving shaft is vertically installed in the protective box body. The manual rotating shaft and the driving shaft are driven and connected by a right-angle transmission gear.

[0010] Furthermore, the right-angle transmission gear includes a driving wheel and a driven wheel, the driving wheel is coaxially connected in series to the inner side of the manual shaft, the number of teeth of the driving wheel is greater than that of the driven wheel, and both the driving wheel and the driven wheel are bevel gears.

[0011] Furthermore, the driving docking end is coaxially connected to the rotating shaft of the stepping motor.

[0012] Furthermore, an assembly groove is provided on the side of the protective box corresponding to the worm, a splicing block is detachably connected to the assembly groove, and the worm wheel and the power shaft are both mounted on the splicing block.

[0013] Furthermore, a concave notch is provided on the side of the splicing block, and the cross-sectional shape of the assembling groove is the same as the cross-sectional shape of the splicing block.

[0014] Furthermore, bearings are rotatably sleeved at both ends of the drive shaft, and outer sides of the bearings are fixedly connected to the protective box.

[0015] Furthermore, a wrench docking piece is coaxially provided at the front end of the manual rotating shaft, and a rotary wrench is detachably sleeved on the wrench docking piece.

[0016] The advantages of the present invention are:

[0017] 1. No need to switch between manual and automatic driving modes, easy and direct to use.

[0018] 2. The automatic braking effect is achieved through the one-way transmission of the worm and worm gear.

[0019] 3. Reasonable structure layout makes it easy to disassemble internal parts for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1This is a structural diagram of a hand-electric integrated brake transmission box;

[0022] Figure 2 This is an exploded structural diagram of the manual-electric integrated brake transmission box;

[0023] Figure 3 This is a side structural diagram of the manual-electric integrated brake transmission box after removing the protective box;

[0024] Figure 4 This is a schematic diagram of the structure of a hand-electric integrated brake transmission box used to drive a lifting window.

[0025] Attached photos

[0026] 1. Drive shaft; 101. Protective housing; 102. Assembly slot; 103. Joint block; 104. Indentation; 105. Screw hole; 2. Drive docking end; 201. Stepper motor; 3. Manual shaft; 301. Right-angle transmission gear; 4. Worm; 5. Worm wheel; 501. Speed ​​increasing gear; 6. Power shaft; 7. Lifting window; 8. Bearing; 9. Wrench docking piece. DETAILED DESCRIPTION

[0027] In order to solve the problems that the existing automatic window lifting solution requires pushing and pulling the locking gear to switch between manual and automatic modes and lock, has many setting steps and is inconvenient to use, and the user experience needs to be improved, a manual-electric integrated brake transmission box is provided.

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0029] It should be noted that the terms "within", "in" and "a" cited in this specification are only for the convenience of description and are not intended to limit the scope of the implementation of the present invention. Changes or adjustments to their relative relationships, without substantially changing the technical content, should also be regarded as the scope of the implementation of the present invention, and should be stated in advance.

[0030] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implicitly specify the number of the technical features referred to. Thus, a feature defined as "first," "second," and the like may explicitly or implicitly include one or more of such features. In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly. For example, they can mean fixed connection, removable connection, or integral connection; they can mean direct connection, indirect connection through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0031] like Figures 1 to 4 As shown, this embodiment provides a manual-electric integrated brake transmission box, including a drive shaft 1, one end of the drive shaft 1 is provided with a drive docking end 2, and the other end is drive-connected to a manual rotating shaft 3, and a worm 4 is fixedly sleeved on the outer side of the drive shaft 1, and the side surface of the worm 4 is engaged with the worm wheel 5 and the number of teeth of the worm wheel 5 is greater than the number of heads of the worm 4, and the worm wheel 5 is drive-connected to a power rotating shaft 6.

[0032] During use, the drive shaft 1 is rotated by connecting the drive end 2 to a power source such as a rotating motor or manually rotating the manual shaft 3, thereby rotating the power shaft 6 through a transmission mechanism such as a worm 4 and a worm gear 5. The forward and reverse rotation of the power shaft 6 then drives the lifting and lowering movement of the lift window 7. Because the mechanism of the worm 4 and the worm gear 5 is a one-way self-locking transmission method, its characteristic is that it can only transmit force in one direction and not in the reverse direction. This transmission method is very suitable for situations where stable position maintenance is required, such as the reduction gear of large machinery. Therefore, after the drive shaft 1 stops rotating, the power shaft 6 can no longer be rotated by force, and the lift window 7 will automatically brake, which is relatively stable in position without user operation.

[0033] In addition, the driving shaft 1 is directly connected to the power source at both ends, driving the docking end 2 and the manual rotating shaft 3 to rotate synchronously. For example, in this embodiment, one end is connected to the stepping motor 201 and the other end is connected to the manual rotating shaft 3. When the stepping motor 201 is not working, it can be manually rotated through the manual rotating shaft 3 without the need for additional operation to switch the driving mode.

[0034] It is worth mentioning that, in addition to driving the lifting window 7, this embodiment can also be used in other occasions requiring one-way transmission and manual-automatic power transmission, such as rolling shutter doors.

[0035] The worm gear 5 is driven and connected to the power shaft 6 via a speed-increasing gear 501. Since the transmission ratio of a one-way worm gear is very large, generally greater than 10, the drive shaft 1 must rotate many times to slowly rotate the worm gear 5. Therefore, in order to improve the power rotation efficiency, the speed-increasing gear 501 is required to increase the speed of the power shaft 6.

[0036] The drive shaft 1 is mounted inside the protective housing 101, and the drive docking end 2 is coaxially connected to the drive shaft 1 and protrudes outward from the protective housing 101. The protective housing 101 provides support and protection for the drive shaft 1, improving the structural stability of the device, while the outwardly protruding drive docking end 2 facilitates connection to an automatic rotation power source such as a motor.

[0037] The manual shaft 3 is mounted horizontally on the front exterior of the protective housing 101, and the drive shaft 1 is mounted vertically within the protective housing 101. The manual shaft 3 and the drive shaft 1 are connected by a right-angle transmission gear 301. The right-angle transmission gear 301 includes a driving wheel and a driven wheel. The driving wheel is coaxially connected in series with the inner side of the manual shaft 3. The driving wheel has more teeth than the driven wheel, and both the driving wheel and the driven wheel are bevel gears.

[0038] The vertically mounted drive shaft 1 is less affected by gravity, improving operational smoothness and reducing misalignment wear, thereby reducing equipment operating noise and increasing service life. The horizontally mounted manual shaft 3 is ergonomically designed for ease of operation. In addition to switching power between the manual shaft 3 and the drive shaft 1, the right-angle transmission gear 301 also acts as a speed increaser due to the larger number of teeth on the driving gear, thus increasing the operating speed of the power shaft 6.

[0039] The drive docking end 2 is coaxially connected to the rotating shaft of the stepper motor 201. This coaxial connection design is simple to install and has low manufacturing costs. The stepper motor 201 provides more precise stroke control. Furthermore, the rotating shaft of the stepper motor 201 rotates freely when not in operation, without hindering the operation of the manual rotating shaft 3.

[0040] An assembly groove 102 is formed on the side of the protective box 101 corresponding to the worm 4 . A splicing block 103 is detachably connected to the assembly groove 102 . The worm wheel 5 and the power shaft 6 are both mounted on the splicing block 103 .

[0041] Because the transmission mechanism between the drive shaft 1 and the power shaft 6 is subject to wear and tear, particularly due to the need to provide a brake between the worm 4 and the worm gear 5, the protective housing 101 is designed to be detachable for ease of maintenance and inspection. In this embodiment, the protective housing 101 and the splicing block 103 are connected by screws, and a plurality of screw holes 105 are provided on the outer side of the splicing block 103.

[0042] The side of the splicing block 103 is provided with an indentation 104, and the cross-sectional shape of the assembly slot 102 is the same as the cross-sectional shape of the splicing block 103. In this embodiment, the indentation 104 is an asymmetrical irregular-shaped notch, which can provide a foolproof effect for the splicing block 103 and improve the docking stability, avoiding shaking and deviation.

[0043] Both ends of the drive shaft 1 are rotatably sleeved with bearings 8, and the outer sides of the bearings 8 are fixedly connected to the protective housing 101. The bearings 8 can ensure the smooth operation of the drive shaft 1 and provide support for the drive shaft 1.

[0044] The front end of the manual shaft 3 is coaxially provided with a wrench docking piece 9, and the wrench docking piece 9 is detachably sleeved with a rotary wrench (not shown in the figure). Since the driving docking end 2 and the manual shaft 3 operate synchronously, if the manual shaft 3 is heavy, the driving load of the motor will be increased, resulting in increased energy consumption and noise. Therefore, a detachable wrench is provided, and the wrench can be removed when manual operation is not required to minimize the load on the motor. In addition, removing the rotary wrench can also prevent it from affecting the aesthetics of the lifting window 7. In this embodiment, the wrench docking piece 9 adopts a hexagonal groove design commonly used on the market, which is convenient for docking with hexagonal wrenches such as hexagonal keys. In addition, it can be set to a more common shape of an external hexagonal pin, which is convenient for docking with common tools on the market such as external hexagonal socket wrenches, thereby improving the versatility of the equipment. Even if the rotary wrench that comes with the transmission box is lost, a replacement tool can be quickly found.

[0045] The above content is a further detailed description of the present invention in combination with specific preferred implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. Manual and electric integrated brake transmission box, characterized in that: It includes a drive shaft, one end of which is provided with a drive docking end, and the other end is drive-connected to a manual rotating shaft, a worm is fixedly sleeved on the outer side of the drive shaft, the side surface of the worm is meshed with the worm wheel and the number of teeth of the worm wheel is greater than the number of heads of the worm, and the worm wheel is drive-connected to a power rotating shaft.

2. The integrated manual and electric brake transmission box according to claim 1, characterized in that: The manual rotating shaft is connected to the driving shaft through a speed-increasing gear, and the worm gear is connected to the power rotating shaft through a speed-increasing gear.

3. The integrated manual and electric brake transmission box according to claim 1, characterized in that: The drive shaft is installed on the inner side of the protection box body, and the drive docking end is coaxially connected to the drive shaft and protrudes outward from the protection box body.

4. The integrated manual and electric brake transmission box according to claim 3, characterized in that: The manual rotating shaft is horizontally installed on the front outer side of the protective box body, and the driving shaft is vertically installed in the protective box body. The manual rotating shaft and the driving shaft are driven and connected by a right-angle transmission gear.

5. The integrated manual and electric brake transmission box according to claim 4, characterized in that: The right-angle transmission gear includes a driving wheel and a driven wheel. The driving wheel is coaxially connected in series with the inner side of the manual rotating shaft. The number of teeth of the driving wheel is greater than that of the driven wheel. Both the driving wheel and the driven wheel are bevel gears.

6. The integrated manual and electric brake transmission box according to claim 4, characterized in that: The driving docking end is coaxially connected to the rotating shaft of the stepping motor.

7. The integrated manual and electric brake transmission box according to claim 3, characterized in that: An assembly groove is provided on the side of the protective box body corresponding to the worm, a splicing block is detachably connected to the assembly groove, and the worm wheel and the power shaft are both mounted on the splicing block.

8. The integrated manual and electric brake transmission box according to claim 7, characterized in that: The side of the splicing block is provided with an inwardly concave notch, and the cross-sectional shape of the assembling groove is the same as that of the splicing block.

9. The integrated manual and electric brake transmission box according to claim 3, characterized in that: Both ends of the driving shaft are rotatably sleeved with bearings, and the outer sides of the bearings are fixedly connected to the protective box.

10. The integrated manual and electric brake transmission box according to claim 1, characterized in that: A wrench docking piece is coaxially arranged at the front end of the manual rotating shaft, and a rotary wrench is detachably sleeved on the wrench docking piece.

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