Guide mechanism and sliding door

By installing seals and bearing structures on the guide wheels, the problems of rust and debris entering at the guide wheel connection points were solved, achieving stable and smooth movement of the sliding door.

CN223922955UActive Publication Date: 2026-02-17SHENZHEN CAIMEN INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520331474.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-17
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

The connection between the guide wheel and the door is prone to rust or debris, which increases the resistance of the guide wheel to the door and affects the smoothness of the sliding door.

Method used

A sealing element is used to seal the upper part of the guide wheel. The sealing element includes a sealing cavity and a guide wheel. The sealing cavity is equipped with a bearing and a support protrusion to ensure sealing performance and prevent rainwater and dust from entering.

Benefits of technology

The sealing performance at the guide wheel connection has been improved, avoiding rust and jamming issues, and enhancing the stability and smoothness of the sliding door's movement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a guide mechanism and a sliding door. The guide mechanism comprises a sealing part, the sealing part is used for being connected with the sliding door and comprises a pair of sealing cavities, the upper ends of the sealing cavities are sealed, the inner sides of the sealing cavities are provided with first openings, the lower ends of the sealing cavities are provided with second openings, and a pair of guide wheels is connected into the sealing cavities, extends out of the sealing part from the second openings and is used for being clamped to the periphery of a guide rail of the sliding door. According to the guiding mechanism, the upper portion of a guiding wheel is sealed through a sealing piece, the upper end of the sealing piece is sealed, and therefore external rainwater, dust and other impurities can be effectively prevented from invading, the sealing performance of the connecting position of the guiding wheel is improved, and the problems that the guiding wheel is rusted after being used for a long time, and rotation is blocked due to dust accumulation are solved. Therefore, the stability and smoothness of the sliding door in the moving process are enhanced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sliding door, in particular to a guide mechanism and sliding door. BACKGROUND

[0002] The sliding door, also known as electric sliding door, automatic sliding door, intelligent sliding door or sliding door, is a door structure based on the parallel straight movement of door leaves in the same or different directions to achieve the operation of opening and closing the door. At present, the common structural form of electric sliding door is with guide rail or without guide rail. The specific structure of sliding door with guide rail is that the driving motor is fixed on one side of the passage, the guide rail is arranged transversely in the passage, the lower part of the door body is provided with a rack engaged with the gear of the driving motor and a roller capable of rolling along the guide rail, the driving motor drives the transmission gear to rotate, and the door body is driven to slide left and right along the guide rail to complete the opening and closing action. However, in the prior art, the guide mechanism of the door body usually adopts guide wheels and other structures for guiding. The connection between the guide wheels and the door body is easy to enter rainwater, so that the connection between the guide wheels and the door body is rusted or enters sundries after long-term use, which increases the resistance of the guide wheels to the door body and affects the smooth sliding of the door body. CONTENT OF THE UTILITY MODEL

[0003] The technical problem solved by the present application is to provide a guide mechanism and sliding door, which solves the problem that the connection between the guide wheels and the door body is easy to rust or enter sundries, which increases the resistance of the guide wheels to the door body and affects the smooth sliding of the door body.

[0004] To solve the above technical problem, one technical scheme adopted by the present application is to provide a guide mechanism, which comprises a sealing member, the sealing member is used to connect a sliding door, the sealing member comprises a pair of sealing cavities, the upper end of the sealing cavity is sealed, the inner side has a first opening, the lower end has a second opening, a pair of guide wheels are connected in the sealing cavity, the guide wheels extend out of the sealing member from the second opening, and the guide wheels are used to be clamped on the periphery of the guide rail of the sliding door.

[0005] In some embodiments, the sealing member comprises a first sealing part, an intermediate part and a second sealing part connected in sequence, the first sealing part and the intermediate part enclose a sealing cavity, and the second sealing part and the intermediate part enclose another sealing cavity.

[0006] In some embodiments, a bearing is arranged in the sealing cavity, and the bearing connects the guide wheel.

[0007] In some embodiments, a pair of bearings are arranged in the sealing cavity, and the bearings are arranged in a stacked manner in the sealing cavity.

[0008] In some embodiments, the first sealing part, the intermediate part and the second sealing part are provided with support protrusions matched with the bearing, which are used to support and limit the bearing.

[0009] In some embodiments, the outer surfaces of the first sealing part and the second sealing part are arc-shaped, and the intermediate part is square-shaped.

[0010] In some embodiments, the intermediate part is provided with a connecting piece penetrating through the intermediate part, which is used to connect the sliding door.

[0011] In some embodiments, the outer side of the intermediate part is further provided with a reinforcing piece connected with the connecting piece, which is used to improve the structural strength of the sealing piece.

[0012] In some embodiments, the guide wheel comprises a connecting shaft connected with the bearing and a guide part clamped around the guide rail of the sliding door.

[0013] The present application also provides a sliding door comprising the guide mechanism.

[0014] The present application has the following beneficial effects: the present application discloses a guide mechanism, which seals the upper part of the guide wheel by a sealing piece, and the upper end of the sealing piece is sealed, so as to effectively prevent the intrusion of external rainwater, dust and other impurities, improve the sealing performance of the connection of the guide wheel, avoid the problems of rusting and rotation jamming due to dust accumulation caused by long-term use of the guide wheel, and thus enhance the stability and smoothness of the sliding door during movement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram according to an embodiment of the present application;

[0016] Figure 2 is another structural schematic diagram according to an embodiment of the present application;

[0017] Figure 3 is an exploded structural schematic diagram according to an embodiment of the present application;

[0018] Figure 4 is a structural schematic diagram of a sealing piece according to an embodiment of the present application;

[0019] Figure 5 is another structural schematic diagram of a sealing piece according to an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described in the following with reference to the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" and "several" is two or more, unless otherwise explicitly specified.

[0024] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, so that those skilled in the art can understand and read, and are not used to limit the conditions that can be implemented by the present application, and therefore do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0025] Figures 1-5 An embodiment of the guide mechanism of the present application is shown, which includes a seal 1 for connecting the uprights of a sliding door (not shown in the figure), the seal 1 including a pair of sealing cavities 15, the upper end of the sealing cavities 15 being sealed, the inner side having a first opening 16, and the lower end having a second opening 17, a pair of guide wheels 2 being connected in the sealing cavities 15, the guide wheels 2 extending out of the seal 1 through the second opening 17, and the guide wheels 2 being used for clamping on the periphery of the guide rails 10 of the sliding door.

[0026] In the present application, the upper part of the guide wheel 2 is sealed by the sealing member 1, and the upper end of the sealing member 1 is sealed, thereby effectively preventing the intrusion of external rainwater, dust and other impurities, improving the sealing performance of the connection of the guide wheel 2, avoiding rusting of the guide wheel 2 due to long-term use and the problem of rotation jamming due to dust accumulation, thereby enhancing the stability and smoothness of the sliding door during movement.

[0027] In some embodiments, the sealing member 1 comprises a first sealing part 11, an intermediate part 12 and a second sealing part 13 connected in sequence, the first sealing part 11 and the intermediate part 12 form a sealing cavity 15, and the second sealing part 13 and the intermediate part 12 form another sealing cavity 15. The upper part of the guide wheel 2 is arranged in the sealing cavity 15 to prevent the upper part of the guide wheel 2 from entering the rainwater.

[0028] In some embodiments, a bearing 3 is arranged in the sealing cavity 15, and the bearing 3 is connected to the guide wheel 2. The bearing 3 can be put into the sealing cavity 15 from the first opening 16 of the sealing cavity 15. The bearing 3 can be a radial bearing 3 or a ball bearing 3, etc. The outer ring of the bearing 3 can be connected with the inner wall of the sealing member 1, and the inner ring of the bearing 3 is connected with the upper end of the guide wheel 2, thereby enabling the guide wheel 2 to rotate relative to the sealing member 1, ensuring the stability and smoothness of the sliding door movement.

[0029] In some embodiments, the bearing 3 in the sealing cavity 15 is arranged in pairs, and the bearings 3 are arranged in a stacked manner. This can ensure the stability of the guide wheel 2, avoid the phenomenon of lateral deviation of the guide wheel 2, and further improve the stability and smoothness of the sliding door movement.

[0030] In some embodiments, support protrusions 14 adapted to the bearing 3 are arranged on the first sealing part 11, the intermediate part 12 and the second sealing part 13, and the support protrusions 14 are used to support and limit the bearing 3. The support protrusions 14 can support and limit the bearing 3, avoiding the movement of the bearing 3. This ensures the stability of the rotation of the guide wheel 2.

[0031] In some embodiments, the outer surfaces of the first sealing part 11 and the second sealing part 13 are arc-shaped, and the intermediate part 12 is square-shaped. This can adapt to the shape of the bearing 3 and better limit the bearing 3.

[0032] In some embodiments, a connecting member 4 is arranged at the intermediate part 12, the connecting member 4 passes through the intermediate part 12 and is used to connect the sliding door. The connecting member 4 can be a bolt or the like, and the connecting member 4 connects the stand of the sliding door, thereby improving the fixing effect of the sealing member 1.

[0033] In some embodiments, the outer side of the intermediate part 12 is further provided with a reinforcing part 5 connected with the connecting part 4, which is used to improve the structural strength of the sealing part 1. The reinforcing part 5 is arranged between the first sealing part 11 and the second sealing part 13, at a position corresponding to the intermediate part 12, which can improve the structural strength of the sealing part 1.

[0034] In some embodiments, the guide wheel 2 comprises a connecting shaft 21 and a guide part 22, the connecting shaft 21 is connected with the bearing, and the guide part 22 is clamped on the periphery of the guide rail 10 of the sliding door. The connecting shaft 21 can be arranged at the second opening 17, and the guide wheel 2 can be conveniently taken out at the second opening 17 for maintenance. The guide part 22 is cylindrical, which can improve the stability of the contact between the guide part 22 and the guide rail 10.

[0035] The application further provides a sliding door comprising the above-mentioned guide mechanism.

[0036] Therefore, the application discloses a guide mechanism, which seals the upper part of the guide wheel by the sealing part, and the upper end of the sealing part is sealed, which can effectively prevent the intrusion of external rainwater, dust and other impurities, improve the sealing performance of the connecting part of the guide wheel, avoid the problems of rusting and rotation jamming due to dust accumulation caused by long-term use of the guide wheel, and thus enhance the stability and smoothness of the sliding door during movement.

[0037] The above is only an embodiment of the application, and does not limit the patent scope of the application. Any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the specification and drawings is also included in the patent protection scope of the application.

Claims

1. A guide mechanism, characterized by, The sealing piece is used for connecting a sliding door, and comprises a pair of sealing cavities, the upper end of the sealing cavities is sealed, the inner side is provided with a first opening, the lower end is provided with a second opening, a pair of guide wheels are connected in the sealing cavities, the guide wheels extend out of the sealing piece through the second opening, and the guide wheels are used for clamping the periphery of a guide rail of the sliding door.

2. The guide mechanism of claim 1, wherein, The sealing piece comprises a first sealing part, an intermediate part and a second sealing part which are sequentially connected, the first sealing part and the intermediate part form a sealing cavity, and the second sealing part and the intermediate part form another sealing cavity.

3. A guide mechanism according to claim 2, wherein Bearings are arranged in the sealing cavities, and the bearings are connected with the guide wheels.

4. A guide mechanism according to claim 3, wherein The bearings arranged in the sealing cavities are arranged in a pair and are arranged in a stack from top to bottom in the sealing cavities.

5. A guide mechanism according to claim 4, wherein Supporting protrusions matched with the bearings are arranged on the first sealing part, the intermediate part and the second sealing part, and the supporting protrusions are used for supporting and limiting the bearings.

6. The guide mechanism of claim 3, wherein, The outer surfaces of the first sealing part and the second sealing part are arc-shaped, and the intermediate part is square-shaped.

7. The guide mechanism of claim 3, wherein, A connecting piece is arranged at the intermediate part, the connecting piece passes through the intermediate part and is used for connecting the sliding door.

8. A guide mechanism according to claim 7, characterised in that A reinforcing piece is further arranged on the outer side of the intermediate part, the reinforcing piece is connected with the connecting piece, and the reinforcing piece is used for improving the structural strength of the sealing piece.

9. The guide mechanism of claim 3, wherein, The guide wheels comprise connecting shafts and guide parts, the connecting shafts are connected with the bearings, and the guide parts are clamped on the periphery of the guide rail of the sliding door.

10. A sliding door, characterized in that The guide mechanism comprises any one of claims 1-9.