Guide reset mechanism
By installing a guide and reset mechanism with double guide bearings and double reset bearings on the lintel side panel of the high-speed door, the problem of the door curtain detaching from the track under strong wind pressure is solved, achieving automatic reset and stable operation, and reducing maintenance costs.
Patent Information
- Application Number
- CN202520499604.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
The curtains of existing high-speed doors are prone to detaching from the track under strong wind pressure, leading to increased maintenance costs and time.
Double guide bearings and double reset bearings are installed on the side panel of the door frame to form a guide and reset mechanism, ensuring that the rack and pinion synchronous belt can automatically reset and enter the guide groove after disengagement, reducing maintenance costs after deviation.
The rack and pinion timing belt automatically resets under wind pressure via a guide reset mechanism, reducing maintenance costs and improving the stability and service life of the high-speed door.
Smart Images
Figure CN223908137U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a roller shutter door technical field, especially a guide reset mechanism. BACKGROUND
[0002] The quick door (industrial automatic quick roller shutter door) is widely used in food, medicine, electronics, rubber, chemical industry, automobile, textile, logistics and other fields, and through frequency conversion control, motor transmission and encoder positioning, the curtain (PVC material) is rotated on the roller to realize quick lifting, and the quick door is specially designed for the quick flow of materials (to shorten the time in and out) and is a special door for logistics channel, and the curtain of the door is free of any hard material and metal, so that the door is safe and quick.
[0003] The curtain of the quick door is connected by PVC netting cloth and two vertical direction rack synchronous belts, the rack synchronous belt is driven by the gear to slide in the track (PE high polymer plastic guide groove), the curtain of the existing quick door is easily affected by wind pressure during use, the rack synchronous belt is driven to separate from the track after the curtain is affected by strong wind pressure, so that the curtain needs to be repaired by disassembly, which increases the repair cost and time.
[0004] Therefore, the above defects must be improved. CONTENT OF THE UTILITY MODEL
[0005] The utility model solves the technical problem of providing a guide reset mechanism to solve the problem in the background art.
[0006] In order to solve the above technical problem, the technical scheme of the utility model is:
[0007] A guide reset mechanism, including door lintel side plate, the right end of the front side of the door lintel side plate is equipped with drive shaft, the left end of the front side of the door lintel side plate is equipped with roll material shaft, drive gear is equipped on the drive shaft, the rack synchronous belt that is connected with drive gear is equipped on the roll material shaft, the front side of the door lintel side plate is equipped with guide reset device that is matched with the rack synchronous belt, the guide reset device is equipped with rack synchronous belt guide groove, the rack synchronous belt does reciprocating sliding movement along the rack synchronous belt guide groove, the upper end of the rack synchronous belt guide groove is equipped with double guide bearing, the double guide bearing includes two inclined guide bearings, the double guide bearing is eight-shaped structure, the lower end of the rack synchronous belt guide groove is equipped with double reset bearing, the double reset bearing includes two inclined reset bearings, the double reset bearing is eight-shaped structure, the double guide bearing is equipped in the upper end of the rack synchronous belt guide groove, the double reset bearing is equipped in the lower end of the rack synchronous belt guide groove, the upper end of the guide reset device is connected with the door lintel side plate through a plurality of first plug screws, the door lintel side plate is equipped with a plurality of first mounting holes matched with the first plug screws, the first plug screw of the rear side of the door lintel side plate is equipped with first tension spring.
[0008] Further, the right lower end of the door lintel side plate is equipped with a connecting plate, the connecting plate is equipped with a plurality of second mounting holes, each second mounting hole is equipped with a second plug screw, the front end of the second plug screw is connected with the lower end of the guide reset device, and the second plug screw on the rear side of the connecting plate is equipped with a second tension spring.
[0009] Further, the second plug screw is two.
[0010] Further, the first plug screw is three.
[0011] Further, the drive shaft is installed on the door lintel side plate through a drive shaft bearing, the drive shaft bearing penetrates the door lintel side plate, and the drive shaft bearing on the rear side of the door lintel side plate is equipped with a drive shaft shaft head connected with the drive shaft.
[0012] Further, the roll material shaft is installed on the door lintel side plate through a roll material shaft bearing.
[0013] Further, the rack synchronous belt includes a synchronous belt and a rack arranged at the rear end of the synchronous belt.
[0014] Further, the double guide bearing and the double reset bearing are screw bearings.
[0015] Further, the rear end of the door lintel side plate is equipped with mounting plates for installation on four edges.
[0016] The beneficial effects of the present application are as follows:
[0017] By adopting the technical scheme, the double guide bearing and the double reset bearing are arranged on the lintel side plate, the guide reset device has a repairing function after the rack synchronous belt is out of track, when the door curtain is impacted and the rack synchronous belt is out of the rack synchronous belt guide groove, the rack synchronous belt is squeezed into the rack synchronous belt guide groove by the double reset bearing when the door curtain automatically rises, thereby entering normal operation, and the maintenance cost of the rack synchronous belt of the rapid door after deviation is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 Fig. 1 is a perspective view of a guide reset mechanism according to the present application; Figure One ;
[0019] Figure 2 Fig. 2 is a perspective view of a guide reset mechanism according to the present application; Figure Two ;
[0020] Figure 3 Fig. 3 is a perspective view of a guide reset mechanism according to the present application; Figure Three ;
[0021] Figure 4 Fig. 4 is a perspective view of a guide reset mechanism according to the present application; Figure Four ;
[0022] Figure 5 Fig. 5 is a front view of a guide reset mechanism according to the present application;
[0023] Figure 6 Fig. 6 is a perspective view of a guide reset mechanism according to the present application, in which a guide reset device and a driving gear are matched.
[0024] Corresponding number and its description of the drawings:
[0025] 1, lintel side plate; 2, rack; 3, double guide bearing; 4, guide reset device; 5, driving shaft; 6, synchronous belt; 7, double reset bearing; 8, material winding shaft; 9, driving gear; 10, second plug screw; 11, second tension spring; 12, connecting plate; 13, first plug screw; 14, first tension spring; 15, mounting plate; 16, material winding shaft bearing; 17, driving shaft bearing; 18, driving shaft shaft head; 19, rack synchronous belt guide groove. DETAILED DESCRIPTION
[0026] The specific embodiments of the present application will be further described in combination with the drawings. It should be noted that the description of the embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.
[0027] Referring to Figures 1 to 6 The utility model provides a kind of guiding reset mechanism, including lintel side plate 1, the right end of the front side of the lintel side plate 1 is equipped with driving shaft 5, the left end of the front side of the lintel side plate 1 is equipped with roll stock shaft 8, driving gear 9 is equipped on the driving shaft 5, the rack synchronous belt that is matched with driving gear 9 is connected on the roll stock shaft 8, the front side of the lintel side plate 1 is equipped with guiding reset device 4 matched with the rack synchronous belt, the guiding reset device 4 is equipped with rack synchronous belt guide slot 21, the rack synchronous belt does to and fro sliding movement along the rack synchronous belt guide slot 21, rack synchronous belt guide slot 21 upper end is equipped with double guide bearing 3, double guide bearing 3 includes two inclined guide bearings, double guide bearing 3 is in the shape of an eight, rack synchronous belt guide slot 21 lower end is equipped with double reset bearing 7, double reset bearing 7 includes two inclined reset bearings, double reset bearing 7 is in the shape of an eight, double guide bearing 3 is equipped in the upper end of the rack synchronous belt guide slot 21, double reset bearing 7 is equipped in the lower end of the rack synchronous belt guide slot 21, the upper end of guiding reset device 4 is connected with the lintel side plate 1 by multiple first plug screw 13, the lintel side plate 1 is equipped with multiple first mounting hole matched with the first plug screw 13, every first plug screw 13 on the rear side of the lintel side plate 1 is equipped with first tension spring 14.
[0028] The utility model discloses a kind of guiding reset mechanism, including lintel side plate 1, the right end of the front side of the lintel side plate 1 is equipped with driving shaft 5, the left end of the front side of the lintel side plate 1 is equipped with roll stock shaft 8, driving gear 9 is equipped on the driving shaft 5, the rack synchronous belt that is matched with driving gear 9 is connected on the roll stock shaft 8, the front side of the lintel side plate 1 is equipped with guiding reset device 4 matched with the rack synchronous belt, the guiding reset device 4 is equipped with rack synchronous belt guide slot 21, the rack synchronous belt does to and fro sliding movement along the rack synchronous belt guide slot 21, rack synchronous belt guide slot 21 upper end is equipped with double guide bearing 3, double guide bearing 3 includes two inclined guide bearings, double guide bearing 3 is in the shape of an eight, rack synchronous belt guide slot 21 lower end is equipped with double reset bearing 7, double reset bearing 7 includes two inclined reset bearings, double reset bearing 7 is in the shape of an eight, double guide bearing 3 is equipped in the upper end of the rack synchronous belt guide slot 21, double reset bearing 7 is equipped in the lower end of the rack synchronous belt guide slot 21, the upper end of guiding reset device 4 is connected with the lintel side plate 1 by multiple first plug screw 13, the lintel side plate 1 is equipped with multiple first mounting hole matched with the first plug screw 13, every first plug screw 13 on the rear side of the lintel side plate 1 is equipped with first tension spring 14.
[0029] In the technical scheme, the rack synchronous belt guide slot 21 is PE high molecular plastic guide groove, double guide bearing 3 and double reset bearing 7 are used to control the rack synchronous belt to slide in correct direction and gap, so that the quick door is long-term stable opening and closing.
[0030] For example, in some embodiments, the right lower end of the lintel side plate 1 is provided with a connecting plate 12, the connecting plate 12 is provided with a plurality of second mounting holes, each of the second mounting holes is provided with a second jackscrew 10, the front end of the second jackscrew 10 is connected with the lower end of the guide reset device 4, and the second jackscrew 10 on the rear side of the connecting plate 12 is sleeved with a second tension spring 11. In this way, the lintel side plate 1 can be more stable in connection with the guide reset device 4 through the first jackscrew 13 and the second jackscrew 10, the guide reset device 4 can realize pressure relief under the action of the first tension spring 14 and the second tension spring 11 when the guide reset device 4 is subjected to wind pressure resistance, the long-term stable operation of the rapid door is ensured, and the wear rate of the driving gear 9 and the gear rack synchronous belt can be reduced to the minimum when strong wind is encountered.
[0031] The guide reset device 4 in the technical solution is connected with the lintel side plate 1 through the first jackscrew 13 and the first tension spring 14, and connected with the connecting plate 12 at the lower end of the lintel side plate 1 through the second jackscrew 10 and the second tension spring 11. When the door curtain is subjected to strong wind, the tension function can be realized, pressure relief can be performed, and the motor does not need to use particularly large power and current to drive the driving gear 9 to rotate. Without significantly increasing the load of the motor, the resistance and friction between the driving gear 9 and the gear rack synchronous belt can be reduced, the wear of the driving gear 9 and the gear rack synchronous belt can be reduced during long-term operation, the service life of the motor is improved, and the service life of the rapid door is improved.
[0032] For example, in some embodiments, the second jackscrew 10 is two. Of course, the second jackscrew 10 can also be set to three, four or other quantities according to actual use requirements, and is not limited to two in the preferred embodiment. The position of the second jackscrew 10 can also be adjusted according to use requirements.
[0033] For example, in some embodiments, the first jackscrew 13 is three. Of course, the first jackscrew 13 can also be set to four, five or other quantities according to actual use requirements, and is not limited to three in the preferred embodiment. The position of the first jackscrew 13 can also be adjusted according to use requirements.
[0034] For example, in some embodiments, the driving shaft 5 is installed on the lintel side plate 1 through a driving shaft bearing 17, the driving shaft bearing 17 penetrates the lintel side plate 1, and a driving shaft shaft head 18 connected with the driving shaft 5 is arranged on the driving shaft bearing 17 on the rear side of the lintel side plate 1. The driving shaft shaft head 18 is used to install the motor.
[0035] For example, in some embodiments, the material roll shaft 8 is installed on the lintel side plate 1 through a material roll shaft bearing 16.
[0036] For example, in some embodiments, the rack synchronous belt comprises a synchronous belt 6 and a rack 2 arranged at the rear end of the synchronous belt 6. In this way, when the rack synchronous belt deviates, the rack synchronous belt is squeezed into the rack synchronous belt guide groove 21 by the double reset bearing 7, so as to enter the normal operation, and the maintenance cost of the rack synchronous belt of the fast door after deviation is reduced.
[0037] For example, in some embodiments, the double guide bearing 3 and the double reset bearing 7 are screw bearings. In this way, installation and maintenance are facilitated.
[0038] For example, in some embodiments, the four edges of the rear end of the lintel side plate 1 are provided with mounting plates 15 for mounting. In this way, the lintel side plate 1 is mounted on the lintel.
[0039] In summary, the utility model discloses a double guide bearing and a double reset bearing are arranged on the lintel side plate, the guide reset device has the repair function after the rack synchronous belt derails, when the door curtain is impacted, the rack synchronous belt will be separated from the rack synchronous belt guide groove, when the door curtain automatically rises, the rack synchronous belt is squeezed into the rack synchronous belt guide groove by the double reset bearing, so as to enter the normal operation, and the maintenance cost of the rack synchronous belt of the fast door after deviation is reduced.
[0040] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A guide reduction mechanism, characterized by, The door lintel side plate is provided with a driving shaft at the right end of the front side, a material winding shaft at the left end of the front side, a driving gear on the driving shaft, a rack synchronous belt connected with the driving gear on the material winding shaft, a guide reset device on the front side of the door lintel side plate matched with the rack synchronous belt, a rack synchronous belt guide groove on the guide reset device, the rack synchronous belt doing reciprocating sliding movement along the rack synchronous belt guide groove, a double guide bearing at the upper end of the rack synchronous belt guide groove, the double guide bearing including two inclined guide bearings, the double guide bearing being in an eight-shaped structure, a double reset bearing at the lower end of the rack synchronous belt guide groove, the double reset bearing including two inclined reset bearings, the double reset bearing being in an eight-shaped structure, the double guide bearing being arranged at the upper end of the rack synchronous belt guide groove, the double reset bearing being arranged at the lower end of the rack synchronous belt guide groove, the guide reset device being connected with the door lintel side plate through a plurality of first jamming screws at the upper end, a plurality of first mounting holes on the door lintel side plate matched with the first jamming screws, and a first tension spring being arranged on each first jamming screw at the rear side of the door lintel side plate.
2. The guide reset mechanism of claim 1, wherein A connecting plate is arranged at the lower right end of the door lintel side plate, a plurality of second mounting holes are arranged on the connecting plate, a second jamming screw is arranged on each second mounting hole, the front end of the second jamming screw being connected with the lower end of the guide reset device, and a second tension spring being arranged on each second jamming screw at the rear side of the connecting plate.
3. The guide reset mechanism of claim 2, wherein The second jamming screw is two.
4. The guide reduction mechanism of claim 1, wherein The first jamming screw is three.
5. The guide reduction mechanism of claim 1, wherein, The driving shaft is installed on the door lintel side plate through a driving shaft bearing, the driving shaft bearing penetrating the door lintel side plate, and a driving shaft shaft head being arranged on the driving shaft bearing at the rear side of the door lintel side plate and connected with the driving shaft.
6. The guide reduction mechanism of claim 1, wherein, The material winding shaft is installed on the door lintel side plate through a material winding shaft bearing.
7. The guide reduction mechanism of claim 1, wherein The rack synchronous belt includes a synchronous belt and a rack arranged at the rear end of the synchronous belt.
8. The guide reduction mechanism of claim 1, wherein, The double guide bearing and the double reset bearing are screw bearings.
9. The guide reduction mechanism of claim 1, wherein, The rear end of the door lintel side plate is provided with mounting plates for installation at four edges.