Gearless direct-drive type door rolling machine compact in structure and low in noise
Through the gearless direct drive design, the output shaft of the direct drive motor is directly connected to the reel door installation shaft, which solves the problems of high noise, vulnerable structure and low transmission efficiency of the existing reel door machine, and achieves the effects of compact structure, low noise and high transmission efficiency.
Patent Information
- Application Number
- CN202421481323.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing door rolling machine has high noise during winding, easy to expose the structure, low transmission efficiency, high energy consumption and inconvenient maintenance.
The gearless direct drive design is adopted, and the output shaft of the direct drive motor is directly connected to the roll door installation shaft. By setting up components such as shell, sound insulation board, air hole, filter, etc., the direct control of the roll door is achieved. The structure is simple and compact and the noise is low.
It realizes a door rolling machine with compact structure, low noise, high transmission efficiency and low failure risk, simplifying the maintenance process.
Smart Images

Figure CN222810723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rolling door machines, in particular to a gearless direct-drive rolling door machine with compact structure and low noise. Background Art
[0002] Rolling door machine, also known as rolling shutter machine, is an electric device mainly used to raise and lower rolling shutter doors. Rolling shutter doors are widely used in shops, warehouses, garages, parking lots and other places to quickly close or open spaces.
[0003] In the existing rolling door machine, the rolling door is generally retracted and extended through a transmission gear set, a chain, a belt, etc. This type of rolling door machine will generate a lot of noise when rolling up, and has too much exposed structure, which is easy to be damaged, has low transmission efficiency, high energy consumption, inconvenient maintenance, and occupies a large space. Utility Model Content
[0004] The purpose of the utility model is to provide a gearless direct-drive rolling door machine with a compact structure and low noise. The output shaft of the direct-drive motor is directly connected to the rolling door mounting shaft, so that direct control of the rolling door can be achieved. The structure is simple and compact, maintenance is convenient, and the noise is low, the transmission efficiency is high, and the risk of failure is low.
[0005] To achieve the above-mentioned purpose, a gearless direct-drive rolling door machine with a compact structure and low noise is provided, comprising: a mounting seat, a shock-absorbing rubber pad is arranged below the mounting seat, a body component is arranged above the mounting seat, the body component comprises a shell, a sound insulation board, a direct-drive motor, air holes, a filter screen, an output shaft, a wedge block, a connecting sleeve, a bolt hole, a small bolt, a rolling door mounting shaft, a fastening groove and a wedge groove, the bottom of the shell is fixedly connected to the mounting seat, the interior of the shell is fixedly connected to the sound insulation board, the interior of the sound insulation board is fixedly connected to the direct-drive motor, and the circumferential surface of the shell is provided with air holes. The air hole is arranged obliquely and forms an angle of 45 degrees with the horizontal line. A filter is fixedly arranged inside the air hole. An output shaft is arranged on the front side of the direct-drive motor. A wedge block is fixedly connected to the front end face of the output shaft. A connecting sleeve is threadedly connected to the circumferential surface of the output shaft. A bolt hole is arranged on the connecting sleeve. Small bolts are arranged on the internal threads of the bolt holes. A rolling door mounting shaft is arranged in front of the output shaft. The circumferential surface of the rolling door mounting shaft is threadedly connected to the connecting sleeve. A fastening groove is arranged on the circumferential surface of the rolling door mounting shaft. A wedge groove is arranged on the rear end face of the rolling door mounting shaft.
[0006] According to the compact and low-noise gearless direct-drive rolling door machine, a mounting hole is provided on the mounting seat, a large bolt is provided inside the mounting hole, and the number of the mounting holes and the large bolts is multiple and symmetrically distributed on the left and right sides of the body assembly.
[0007] According to the compact and low-noise gearless direct-drive rolling door machine, there are multiple air holes, which are symmetrically distributed on the outer shell, and the air holes penetrate the outer shell and the sound insulation board. There are multiple filters, which are all located inside the air holes.
[0008] According to the compact and low-noise gearless direct-drive rolling door machine, there are multiple wedge blocks that are evenly distributed on the output shaft, there are multiple wedge grooves that are evenly distributed on the rolling door mounting shaft, and the wedge blocks and wedge grooves are correspondingly arranged.
[0009] According to the compact and low-noise gearless direct-drive rolling door machine, the number of the bolt holes is multiple and evenly distributed on the connecting sleeve, and the number of the small bolts is multiple.
[0010] According to the compact and low-noise gearless direct-drive rolling door machine, the bottom of the small bolt is clamped in the fastening groove.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a shell, a sound insulation board, a direct-drive motor, an air hole, a filter, an output shaft, a wedge block, a connecting sleeve, a bolt hole, a small bolt, a rolling door mounting shaft, a fastening groove and a wedge groove, the output shaft of the direct-drive motor is directly connected to the rolling door mounting shaft, so that direct control of the rolling door can be achieved, the structure is simple, compact, and maintenance is convenient, and the noise is low, the transmission efficiency is high, and the risk of failure is low.
[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0014] Figure 1 This is a front view of the compact and low-noise gearless direct-drive rolling door machine of the utility model;
[0015] Figure 2 This is a structural diagram of the body components of the utility model of a gearless direct-drive rolling door machine with compact structure and low noise;
[0016] Figure 3 It is a cross-sectional view of the body assembly of the gearless direct-drive rolling door machine with compact structure and low noise of the utility model;
[0017] Figure 4 The utility model is a cross-sectional view of the connecting sleeve of the gearless direct-drive rolling door machine with compact structure and low noise.
[0018] In the figure: 1. mounting base; 2. shock-absorbing rubber pad; 3. body assembly; 4. large bolt; 301. outer shell; 302. sound insulation board; 303. direct-drive motor; 304. air hole; 305. filter; 306. output shaft; 307. wedge block; 308. connecting sleeve; 309. bolt hole; 310. small bolt; 311. rolling door mounting shaft; 312. fastening groove; 313. wedge groove. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4The utility model provides a technical solution: a gearless direct-drive rolling door machine with compact structure and low noise, comprising: a mounting seat 1, a shock-absorbing rubber pad 2 is arranged below the mounting seat 1 to reduce the shock of the upper body component 3, an organic body component 3 is arranged above the mounting seat 1, and the body component 3 includes a shell 301, a sound insulation board 302, a direct-drive motor 303, an air hole 304, a filter 305, an output shaft 306, a wedge block 307, a connecting sleeve 308, a bolt hole 309, a small bolt 310, a rolling door installation shaft 311, a fastening groove 312 and a wedge groove 313, the bottom of the shell 301 is fixedly connected to the mounting seat 1, and the interior of the shell 301 is fixedly connected with a sound insulation board 302. The sound board 302 is used to reduce the noise generated by the direct-drive motor 303 when it is working, making the device quieter. The direct-drive motor 303 is fixedly connected to the interior of the sound insulation board 302. The circumferential surface of the shell 301 is provided with air holes 304. The air holes 304 are inclined and form an angle of 45 degrees with the horizontal line. The interior of the air holes 304 is fixedly provided with filter screens 305. There are multiple air holes 304, which are symmetrically distributed on the shell 301. The air holes 304 penetrate the shell 301 and the sound insulation board 302. There are multiple filter screens 305, which are all located inside the air holes 304, and are used to dissipate heat and prevent external foreign matter from entering. The direct-drive motor 303 An output shaft 306 is arranged at the front side, a wedge block 307 is fixedly connected to the front end face of the output shaft 306, a connecting sleeve 308 is threadedly connected to the circumferential surface of the output shaft 306, a bolt hole 309 is arranged on the connecting sleeve 308, a small bolt 310 is arranged on the internal thread of the bolt hole 309, a plurality of bolt holes 309 are arranged and are evenly distributed on the connecting sleeve 308, a plurality of small bolts 310 are arranged, a rolling door mounting shaft 311 is arranged in front of the output shaft 306, a circumferential surface of the rolling door mounting shaft 311 is threadedly connected to the connecting sleeve 308, a fastening groove 312 is arranged on the circumferential surface of the rolling door mounting shaft 311, and a bottom clamping groove 312 of the small bolt 310 is arranged. In the fastening groove 312, a wedge groove 313 is provided on the rear end surface of the rolling door mounting shaft 311, a plurality of wedge blocks 307 are provided and are evenly distributed on the output shaft 306, a plurality of wedge grooves 313 are provided and are evenly distributed on the rolling door mounting shaft 311, the wedge blocks 307 and the wedge grooves 313 are provided correspondingly, the rolling door mounting shaft 311 is docked with the output shaft 306, the wedge blocks 307 and the wedge grooves 313 are engaged with each other, and then the connecting sleeve 308 is put on, the connecting sleeve 308 is threadedly connected with the output shaft 306 and the rolling door mounting shaft 311, and the small bolt 310 is screwed in so that the bottom of the small bolt 310 is engaged in the fastening groove 312, thereby completing the installation.
[0021] The mounting seat 1 is provided with a mounting hole, and a large bolt 4 is provided inside the mounting hole. There are multiple mounting holes and large bolts 4 , and they are symmetrically distributed on the left and right sides of the body component 3 .
[0022] Working principle: fix the mounting base 1 to the wall with the large bolt 4, then dock the rolling door mounting shaft 311 with the output shaft 306, make the wedge block 307 fit and engage with the wedge groove 313, then put on the connecting sleeve 308, make the connecting sleeve 308 threadedly connected with the output shaft 306 and the rolling door mounting shaft 311, and screw in the small bolt 310, make the bottom of the small bolt 310 engage in the fastening groove 312, so as to complete the installation. When maintenance is needed, just loosen the small bolt 310 and remove the connecting sleeve 308.
[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. Compact and low noise gearless direct drive roller shutter machine, including: The mounting seat (1) is characterized in that a shock-absorbing rubber pad (2) is arranged below the mounting seat (1), and an organic body component (3) is arranged above the mounting seat (1), wherein the organic body component (3) comprises an outer shell (301), a sound insulation board (302), a direct-drive motor (303), an air hole (304), a filter (305), an output shaft (306), a wedge block (307), a connecting sleeve (308), a bolt hole (309), a small bolt (310), a rolling door mounting shaft (311), a fastening groove (312) and a wedge groove (313), the bottom of the outer shell (301) is fixedly connected to the mounting seat (1), the interior of the outer shell (301) is fixedly connected to the sound insulation board (302), the interior of the sound insulation board (302) is fixedly connected to the direct-drive motor (303), and the circumferential surface of the outer shell (301) is provided with an air hole (304), and the air hole ( The direct-drive motor (303) is provided with an output shaft (306) at a slant and at an angle of 45 degrees to the horizontal line. A filter (305) is fixedly arranged inside the air hole (304). An output shaft (306) is arranged at the front side of the direct-drive motor (303). A wedge block (307) is fixedly connected to the front end surface of the output shaft (306). A connecting sleeve (308) is threadedly connected to the circumferential surface of the output shaft (306). A bolt hole (309) is arranged on the connecting sleeve (308). A small bolt (310) is arranged on the internal thread of the bolt hole (309). A rolling door installation shaft (311) is arranged in front of the output shaft (306). The circumferential surface of the rolling door installation shaft (311) is threadedly connected to the connecting sleeve (308). A fastening groove (312) is arranged on the circumferential surface of the rolling door installation shaft (311). A wedge groove (313) is arranged on the rear end surface of the rolling door installation shaft (311).
2. The compact and low-noise gearless direct-drive rolling door machine according to claim 1, characterized in that: The mounting seat (1) is provided with a mounting hole, and a large bolt (4) is provided inside the mounting hole. The mounting holes and the large bolts (4) are provided in plural numbers and are symmetrically distributed on the left and right sides of the machine body component (3).
3. The compact and low-noise gearless direct-drive rolling door machine according to claim 1, characterized in that: The number of the air holes (304) is multiple and symmetrically distributed on the outer shell (301); the air holes (304) penetrate the outer shell (301) and the sound insulation board (302); the number of the filter screens (305) is multiple and all are located inside the air holes (304).
4. The compact and low-noise gearless direct-drive rolling door machine according to claim 1, characterized in that: The wedge blocks (307) are provided in a plurality and are evenly distributed on the output shaft (306); the wedge grooves (313) are provided in a plurality and are evenly distributed on the rolling door installation shaft (311); and the wedge blocks (307) and the wedge grooves (313) are provided in a corresponding manner.
5. The compact and low-noise gearless direct-drive rolling door machine according to claim 1, characterized in that: The number of the bolt holes (309) is multiple and evenly distributed on the connecting sleeve (308), and the number of the small bolts (310) is multiple.
6. The compact and low-noise gearless direct-drive rolling door machine according to claim 1, characterized in that: The bottom of the small bolt (310) is clamped in the fastening groove (312).