Door motor synchronous belt structure and elevator door motor
By using wire rope instead of guide wheels in elevator door machines and combining the synchronous belt with wire rope, the problem of increasing costs and abnormal noise in the synchronous belt adjustment device is solved, and cost savings and convenient operation are achieved.
Patent Information
- Application Number
- CN202421220809.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The synchronous belt in the existing elevator door machine requires additional adjustment devices to adjust the tightening force, which increases production costs, and the synchronous belt and guide wheel will cause abnormal noise during operation, and the adjustment device is located away from the door opening, making maintenance inconvenient. .
A wire rope is used instead of the synchronous belt guide wheel, and the synchronous belt and the wire rope are combined into a synchronous belt assembly. The structure of the door machine itself saves costs and the adjustment chuck is set close to the center of the door opening for easy operation.
No additional adjustments are required, eliminating abnormal noise between the synchronous belt and the guide wheel, reducing production costs and simplifying maintenance operations.
Smart Images
Figure CN222293331U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator door machines, in particular to a door machine synchronous belt structure and an elevator door machine with the door machine synchronous belt structure. Background Art
[0002] The elevator door machine is part of the elevator door system. When the door machine opens and closes the door, it transmits power through the door machine motor and synchronous belt, which in turn drives the car door panel and floor door panel to open and close. The synchronous belt is an important component of the door machine. At present, the synchronous belt of the door machine is usually a disconnected arc-shaped toothed belt, which is fixed at the disconnection point by a clamp. The adjustment of the tension of the synchronous belt requires the installation of an additional adjustment device, and a synchronous belt guide wheel is also required. The additional adjustment device will increase the production cost, and because the adjustment device is located on the side away from the door opening, it is inconvenient for maintenance personnel to operate when repairing or replacing the device; because the existing synchronous belt is a rubber structure, it will produce abnormal noise when it runs together with the guide wheel. Utility Model Content
[0003] In view of this, in order to overcome the defects of the prior art, the utility model provides a door machine synchronous belt structure and an elevator door machine, which does not require an additional synchronous belt tensioning adjustment device, can save costs, and can also eliminate abnormal noise generated between the synchronous belt and its guide wheel.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] One object of the utility model is to provide a door machine synchronous belt structure, including a door machine bottom plate, the door machine synchronous belt structure is arranged on the door machine bottom plate, the door machine synchronous belt structure includes a driving wheel, a rope pulley, a synchronous belt assembly, an adjusting chuck for adjusting the tensioning force of the synchronous belt assembly and a fixing assembly for fixing the synchronous belt assembly, the synchronous belt assembly includes a synchronous belt and a steel wire rope, the synchronous belt is wound on the driving wheel, and the steel wire rope is wound on the rope pulley; the fixing assembly is used to connect one end of the synchronous belt with one end of the steel wire rope, and the adjusting chuck is used to connect the other end of the synchronous belt with the other end of the steel wire rope.
[0006] By replacing the synchronous belt guide wheel in the prior art with a rope pulley of a steel wire rope, and combining the synchronous belt and the steel wire rope to form a synchronous belt assembly, not only does it not need to set up an additional adjustment device, but it also utilizes other inherent structures in the door machine, which is conducive to cost saving, and there will be no abnormal noise between the steel wire rope and the rope pulley like between the synchronous belt and the guide wheel. In addition, the adjustment chuck of the utility model is located near the center of the door opening, which is convenient for operations such as tension adjustment of the synchronous belt.
[0007] According to a preferred implementation aspect of the utility model, the steel wire rope includes a rope body and a connecting column fixedly arranged at one end of the rope body, and the outer wall of the connecting column is provided with an external thread.
[0008] According to a preferred implementation aspect of the utility model, the adjusting chuck includes a first clamping plate and a second clamping plate parallel to each other, a first groove is formed on a side of the first clamping plate close to the second clamping plate, a second groove is formed on a side of the second clamping plate close to the first clamping plate, and a cavity is formed between the first groove and the second groove.
[0009] According to a preferred implementation aspect of the utility model, a third groove is formed on a side of the first clamping plate close to the second clamping plate, a fourth groove is formed on a side of the second clamping plate close to the first clamping plate, and a channel is formed between the third groove and the fourth groove.
[0010] According to a preferred implementation aspect of the utility model, the channel is communicated with the cavity, an adjusting nut is rotatably provided in the cavity, and the channel is used for allowing one end of the connecting column to enter the cavity and connect with the adjusting nut.
[0011] According to a preferred implementation aspect of the utility model, the side of the first clamping plate or the second clamping plate away from the end of the cavity is provided with meshing teeth, the synchronous belt has belt teeth, and the tooth shape of the meshing teeth matches the tooth shape of the belt teeth of the synchronous belt.
[0012] According to a preferred implementation aspect of the utility model, the fixing assembly includes a third splint, a fourth splint and a connecting member connected to the third splint and the fourth splint, the third splint is parallel to the fourth splint, and the connecting member is used to adjust the distance between the third splint and the fourth splint.
[0013] According to a preferred implementation aspect of the utility model, one end of the rope body away from the connecting column is located between one end of the third clamping plate and one end of the fourth clamping plate, and one end of the synchronous belt is located between the other end of the third clamping plate and the other end of the fourth clamping plate.
[0014] Another object of the utility model is to provide an elevator door machine including the door machine synchronous belt structure as described above.
[0015] Compared with the prior art, the utility model is beneficial in that: the synchronous belt structure of the door machine of the utility model replaces the synchronous belt guide wheel in the prior art with the rope wheel of the wire rope, and combines the synchronous belt and the wire rope to form a synchronous belt assembly, which not only does not require the provision of an additional adjustment device, but also utilizes other inherent structures in the door machine itself, which is conducive to cost saving, and there will be no abnormal noise between the wire rope and the rope wheel as there is between the synchronous belt and the guide wheel. In addition, the adjustment chuck of the utility model is arranged at a position close to the center of the door opening, which is convenient for operations such as tension adjustment of the synchronous belt. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. 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 creative work.
[0017] Figure 1 This is a structural schematic diagram of the door machine synchronous belt structure in the preferred embodiment of the utility model installed on the door machine bottom plate (other components on the door machine bottom plate are omitted);
[0018] Figure 2 It is a structural schematic diagram of the matching of the synchronous belt assembly and the adjusting chuck in the preferred embodiment of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the matching of the synchronous belt assembly and the fixed assembly in the preferred embodiment of the utility model;
[0020] Wherein, the accompanying drawings are marked as follows:
[0021] Door machine base plate -1, driving wheel -2, pulley -3, synchronous belt -4, wire rope -5, rope body -51, connecting column -52, adjusting clamp -6, first clamp -61, second clamp -62, meshing teeth -621, cavity -63, channel -64, adjusting nut -65, fixing assembly -7, third clamp -71, fourth clamp -72, connecting piece -73. DETAILED DESCRIPTION
[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention. Obviously, the described embodiments are only 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 creative work should fall within the scope of protection of the present invention.
[0023] See also Figures 1 to 3 The elevator door machine of this embodiment includes a door machine bottom plate 1 and a door machine synchronous belt structure arranged on the door machine bottom plate 1. The door machine synchronous belt structure includes a driving wheel 2, a rope wheel 3, a synchronous belt assembly, an adjusting clamp 6 for adjusting the tension of the synchronous belt assembly, and a fixing assembly 7 for fixing the synchronous belt assembly. The driving wheel 2 of this embodiment is preferably a motor wheel.
[0024] Further, the synchronous belt assembly includes a synchronous belt 4 and a steel wire rope 5, the steel wire rope 5 includes a rope body 51 and a connecting column 52 fixedly arranged at one end of the rope body 51, the outer wall of the connecting column 52 is provided with an external thread, and the connecting column 52 of this embodiment is preferably a stud. The synchronous belt 4 is wound around the driving wheel 2 and one end of the synchronous belt 4 is connected to one end of the fixed assembly 7, and the other end of the synchronous belt 4 is connected to one end of the adjusting chuck 6; the steel wire rope 5 is wound around the rope wheel 3 and one end of the rope body 51 away from the connecting column 52 is connected to the other end of the fixed assembly 7, and the connecting column 52 of the steel wire rope 5 is connected to the other end of the adjusting chuck 6.
[0025] Furthermore, if Figure 2 As shown, the adjusting chuck 6 comprises a first clamping plate 61 and a second clamping plate 62 which are parallel to each other. A first groove is provided on the side of the first clamping plate 61 close to the second clamping plate 62, and a second groove is provided on the side of the second clamping plate 62 close to the first clamping plate 61, and a cavity 63 is formed between the first groove and the second groove. A third groove is also provided on the side of the first clamping plate 61 close to the second clamping plate 62, and a fourth groove is also provided on the side of the second clamping plate 62 close to the first clamping plate 61, and a channel 64 is formed between the third groove and the fourth groove, and the channel 64 is connected to the cavity 63. An adjusting nut 65 is rotatably provided in the cavity 63, and the connecting column 52 of the steel wire rope 5 enters the cavity 63 from one end of the channel 64 and is threadedly connected to the adjusting nut 65 in the cavity 63. The tension of the steel wire rope 5 can be adjusted by rotating the adjusting nut 65.
[0026] In addition, in the present embodiment, the adjusting chuck 6 is arranged at a position close to the center of the door opening, and the side surface of the end of the second clamping plate 62 of the adjusting chuck 6 away from the cavity 63 is also provided with meshing teeth 621, and the tooth shape of the meshing teeth 621 matches the tooth shape of the belt teeth of the synchronous belt 4, so that when the first clamping plate 61 and the second clamping plate 62 cooperate with each other, it can be ensured that the meshing teeth 621 on the second clamping plate 62 and the synchronous belt 4 are meshed with each other to clamp the synchronous belt 4.
[0027] In other embodiments of the utility model, the adjusting chuck can also be set as an integral type, that is, the adjusting chuck includes a chuck body, a cavity and a through hole are provided at one end of the chuck body, and meshing teeth are provided at the other end of the chuck body, wherein the cavity runs through the width direction of the chuck body and the through hole is connected to the cavity, and the through hole is used for the connecting column of the wire rope to enter the cavity; an adjusting nut is rotatably provided in the cavity, and the connecting column 52 entering the cavity is threadedly connected with the adjusting nut, and the tension of the wire rope 5 is adjusted by rotating the adjusting nut. Similarly, one end of the chuck body provided with meshing teeth is used to clamp the synchronous belt 4.
[0028] Furthermore, if Figure 3 As shown, the fixing assembly 7 includes a third clamping plate 71, a fourth clamping plate 72, and a connecting member 73 connected to the third clamping plate 71 and the fourth clamping plate 72. The third clamping plate 71 is parallel to the fourth clamping plate 72, and the distance between the third clamping plate 71 and the fourth clamping plate 72 can be adjusted by rotating the connecting member 73. The connecting member 73 in this embodiment is preferably a bolt, which penetrates the thickness direction of the third clamping plate 71 and the fourth clamping plate 72, and the third clamping plate 71 and the fourth clamping plate 72 are both provided with threaded holes penetrating the thickness direction thereof, so as to cooperate with the connecting member 73 to realize the threaded connection between the connecting member 73 and the third clamping plate 71 and the fourth clamping plate 72.
[0029] Specifically, one end of the rope body 51 of the wire rope 5 away from the connecting column 52 is located between one end of the third clamping plate 71 and one end of the fourth clamping plate 72 and is clamped by the third clamping plate 71 and the fourth clamping plate 72, and one end of the synchronous belt 4 away from the adjusting clamp 6 is located between the other end of the third clamping plate 71 and the other end of the fourth clamping plate 72 and is clamped by the third clamping plate 71 and the fourth clamping plate 72, thereby ensuring a fixed connection between the rope body 51 and the guide belt.
[0030] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A door machine synchronous belt structure, comprising a door machine bottom plate, wherein the door machine synchronous belt structure is arranged on the door machine bottom plate, characterized in that: The door machine synchronous belt structure includes a driving wheel, a rope pulley, a synchronous belt assembly, an adjusting chuck for adjusting the tension of the synchronous belt assembly, and a fixing assembly for fixing the synchronous belt assembly. The synchronous belt assembly includes a synchronous belt and a steel wire rope. The synchronous belt is wound around the driving wheel, and the steel wire rope is wound around the rope pulley; the fixing assembly is used to connect one end of the synchronous belt with one end of the steel wire rope, and the adjusting chuck is used to connect the other end of the synchronous belt with the other end of the steel wire rope.
2. The synchronous belt structure of the door crane according to claim 1, characterized in that: The steel wire rope comprises a rope body and a connecting column fixedly arranged at one end of the rope body, and an outer wall of the connecting column is provided with an external thread.
3. The door crane synchronous belt structure according to claim 2, characterized in that: The adjusting chuck includes a first clamping plate and a second clamping plate parallel to each other. A first groove is formed on a side of the first clamping plate close to the second clamping plate, and a second groove is formed on a side of the second clamping plate close to the first clamping plate. A cavity is formed between the first groove and the second groove.
4. The synchronous belt structure for a door crane according to claim 3, characterized in that: A third groove is formed on a side of the first clamping plate close to the second clamping plate, a fourth groove is formed on a side of the second clamping plate close to the first clamping plate, and a channel is formed between the third groove and the fourth groove.
5. The synchronous belt structure for a door crane according to claim 4, characterized in that: The channel is communicated with the cavity, an adjusting nut is rotatably arranged in the cavity, and the channel is used for allowing one end of the connecting column to enter the cavity and be connected with the adjusting nut.
6. The synchronous belt structure for a door crane according to claim 3, characterized in that: The side of the end of the first clamping plate or the second clamping plate away from the cavity is provided with meshing teeth, the synchronous belt has belt teeth, and the tooth shape of the meshing teeth matches the tooth shape of the belt teeth of the synchronous belt.
7. The synchronous belt structure for a door crane according to claim 2, characterized in that: The fixing assembly includes a third clamping plate, a fourth clamping plate and a connecting member connected to the third clamping plate and the fourth clamping plate. The third clamping plate is parallel to the fourth clamping plate. The connecting member is used to adjust the distance between the third clamping plate and the fourth clamping plate.
8. The synchronous belt structure for a door crane according to claim 7, characterized in that: One end of the rope body away from the connecting column is located between one end of the third clamping plate and one end of the fourth clamping plate, and one end of the synchronous belt is located between the other end of the third clamping plate and the other end of the fourth clamping plate.
9. An elevator door machine comprising the door machine synchronous belt structure according to any one of claims 1 to 8.