Sliding door track structure and sliding lifting door

By adding a first sealing strip to the sliding door track structure, the problem of insufficient sealing and waterproofing of existing sliding lifting doors is solved, achieving a better sealing and waterproofing effect.

CN223881024UActive Publication Date: 2026-02-06FOSHAN LIANGU DOORS & WINDOW CO LTD
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Patent Information

Application Number
CN202520193551.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-02-06
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing sliding and lifting doors have shortcomings in terms of sealing and waterproofing, mainly due to room for improvement in the sealing and waterproofing structure between the lifting door leaf and the door frame.

Method used

A first sealing strip is added to the sliding door track structure. The sealing strip is set on the lower frame and the sealing part extends along the second direction. When the lifting door is in the lower position, it is squeezed with the lower edge of the door to form a clamping seal, and the sealing effect is enhanced by the weight of the door itself.

Benefits of technology

By using a clamping and sealing mechanism, the sealing and waterproofing effect of the sliding door is improved, and the sealing and waterproofing between the door leaf and the frame are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of doors and windows, and discloses a sliding door track structure and a sliding lifting door, and the sliding door track structure for the sliding lifting door comprises an upper frame, a lower frame, a sliding door and a sliding door, the lower frame is provided with a lower rail extending in the first direction, and the upper rail and the lower rail are configured to be slidably assembled with a lifting door leaf to be pushed and pulled; the first sealing strip is arranged on the lower frame, the first sealing strip comprises a sealing part located on at least one side of the lower rail in the second direction, the second direction is perpendicular to the first direction, the sealing part extends in the first direction, and the first sealing strip is configured to be extruded with the lower edge of the lifting door leaf to form clamping sealing fit when the lifting door leaf is located at the descending position; the sliding door track structure provides a better sealing structure, and sealing can be better formed between the sliding door track structure and the lifting door leaf. In addition, the lower frame further comprises a groove structure with a dustproof cover, the dustproof cover covers the groove in a sealing mode, sealing is formed, cleaning is convenient, and garbage entering the groove structure is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sliding door track structure technical field, in particular to a sliding door track structure and sliding door and lift door. BACKGROUND

[0002] The existing sliding door and lift door usually includes door frame, lifting door leaf, wherein, lifting door leaf has handle, lifting device and lifting wheel, door frame includes upper frame and lower frame, lifting door leaf is installed between upper frame and lower frame and can be pushed and pulled.

[0003] When needing to open the door, operating handle makes lifting device work. Mechanical transmission mechanism in lifting device drives the bottom of lifting door leaf to move upward, so that gap is generated between the bottom of lifting door leaf and lower frame. After lifting door leaf is lifted, because friction is greatly reduced, when a small horizontal push is applied, lifting door leaf can be smoothly slid open along upper frame and lower frame. In the sliding process, pulley rolls in track, ensuring stable movement of lifting door leaf. When closing the door, first, lifting door leaf is pushed back to the closed position, then, lifting device is operated reversely, so that the bottom of lifting door leaf is lowered and is placed on lower track again.

[0004] However, the existing sliding door and lift door has general sealing and waterproof property, mainly sealing and waterproof cooperation structure between lifting door leaf and door frame, which still has room for improvement. CONTENT OF THE UTILITY MODEL

[0005] Therefore, it is necessary to provide a sliding door track structure and sliding door and lift door aiming at the existing problems, which provides better sealing structure and can better form sealing with lifting door leaf.

[0006] The first aspect of the present application provides a sliding door track structure for sliding door and lift door, the sliding door track structure comprises:

[0007] Upper frame, having upper track extending along first direction;

[0008] Lower frame, having lower track extending along the first direction, the upper track and the lower track are configured to slidably assemble lifting door leaf to be pushed and pulled;

[0009] First sealing strip, provided on the lower frame, the first sealing strip comprises sealing part located on at least one side of the lower track along second direction, the sealing part extends along the first direction, the first sealing strip is configured to be pressed and clamped with the lower edge of the lifting door leaf when the lifting door leaf is in the lowered position, the second direction is perpendicular to the first direction.

[0010] In some embodiments, the lower frame is provided with a first slot, and the first sealing strip is inserted into the first slot.

[0011] In some embodiments, the first sealing strip cooperates with the lower frame to form a first inner side surface facing the upper frame, and the lower rail forms a second inner side surface facing the upper frame.

[0012] In some embodiments, the height of the second inner side surface is higher than the height of the first inner side surface.

[0013] In some embodiments, the first inner side surface has a surface structure without concave surface, and / or the second inner side surface has a surface structure without concave surface.

[0014] In some embodiments, in the second direction, the lower rail is provided with the first sealing strip on both sides thereof.

[0015] In some embodiments, the first sealing strip is a sealing rubber strip.

[0016] In some embodiments, the upper frame is provided with a notch on the side thereof facing the lower frame, the notch extends in the first direction, and the notch is provided with a protrusion extending in the first direction, the protrusion cooperates with the notch to form the upper rail.

[0017] In some embodiments, the inner surface of the notch is provided with an anti-wear member configured to be clamped between the surface of the lifting door leaf and the inner surface of the notch.

[0018] The second aspect of the present application provides a sliding and lifting door, comprising:

[0019] a lifting door leaf;

[0020] According to the sliding door rail structure provided by any one of the above embodiments, the lifting door leaf is slidably installed between the upper rail and the lower rail, and the lifting door leaf has a lowered position, in which the lower edge of the lifting door leaf is pressed against the first sealing strip to form a clamping sealing cooperation.

[0021] In some embodiments, the sliding and lifting door further comprises:

[0022] a second sealing strip provided on the lower edge of the lifting door leaf or the lower end of the lifting door leaf, the second sealing strip being configured to sealingly cooperate with the first sealing strip and / or the lower frame in the lowered position; and / or,

[0023] a third sealing strip provided on the upper end of the lifting door leaf or the upper frame, the third sealing strip being configured to form a sealing cooperation between the upper frame and the upper end of the lifting door leaf.

[0024] The utility model discloses the beneficial effect of:

[0025] The utility model discloses a sliding door track structure different from prior art sliding door track structure, it has added the first sealing strip, the first sealing strip sets up in the lower frame, the first sealing strip includes the sealing portion of at least one side of the lower track in the second direction, the sealing portion extends along the first direction, the first sealing strip is configured as the lower edge of the lifting door leaf is extruded to form the clamping sealing cooperation with the lifting door leaf when being located in the falling position, when the lifting door leaf is located in the falling position, relying on the gravity of the lifting door leaf, further through the clamping sealing cooperation makes the first sealing strip clamping between the lower edge of the lifting door leaf and the lower frame, has better sealing waterproof effect. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only one embodiment of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain the drawing of other embodiments according to these drawings.

[0027] Figure 1 The sectional view schematic drawing of the sliding and lifting door provided for the embodiment of the application is in the lifting position;

[0028] Figure 2 The upper frame sectional view schematic drawing of a sliding door track structure provided for the embodiment of the application;

[0029] Figure 3 The lower frame sectional view schematic drawing of a sliding door track structure provided for the embodiment of the application.

[0030] Reference signs:

[0031] Y, second direction;

[0032] 100, upper frame;110, upper track;120, convex part;200, lower frame;210, lower track;220, first slot;230, recess structure;240, dust cover;300, first sealing strip;400, wear-resistant piece;500, lifting door leaf;600, second sealing strip;700, third sealing strip. DETAILED DESCRIPTION

[0033] In order to make the above object, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners without departing from the spirit of the present application. Those skilled in the art will appreciate the scope of the present application and can make similar modifications without departing from the spirit of the present application. Therefore, the present application is not limited by the embodiments disclosed below.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" 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 do not indicate or imply that the devices or elements 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.

[0035] In addition, the terms "first", "second" are only 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" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0036] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the present utility model, unless otherwise expressly provided and limited, the feature is "on" or "under" the second feature, which can be in direct contact with the second feature, or indirectly contact with the second feature through an intermediate medium. Moreover, the feature "above", "above" and "above" of the second feature can be directly above or obliquely above the second feature, or only indicate that the feature is higher than the second feature in horizontal height. The feature "below", "below" and "below" of the second feature can be directly below or obliquely below the second feature, or only indicate that the feature is lower than the second feature in horizontal height.

[0038] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0039] Reference Figures 1-3 The embodiments of the present application provide a sliding door track structure for a sliding lifting door, the sliding door track structure comprising an upper frame 100, a lower frame 200, and a first sealing strip 300. The upper frame 100 has an upper track 110 extending in a first direction; the lower frame 200 has a lower track 210 extending in the first direction, and the upper track 110 and the lower track 210 are configured to slidably fit a lifting door leaf 500 to be pushed and pulled; the first sealing strip 300 is arranged on the lower frame 200, and the first sealing strip 300 comprises a sealing portion located on at least one side of the lower track 210 in a second direction Y, the sealing portion extending in the first direction, and the first sealing strip 300 is configured to be pressed against a lower edge of the lifting door leaf 500 to form a clamping sealing fit when the lifting door leaf 500 is in a lowered position, and the second direction Y is perpendicular to the first direction.

[0040] The sliding door track structure is different from the existing sliding door track structure, and has the advantages that the first sealing strip 300 is additionally arranged on the lower frame 200, the first sealing strip 300 comprises a sealing portion located on at least one side of the lower track 210 in a second direction Y, the sealing portion extending in the first direction, and the first sealing strip 300 is configured to be pressed against a lower edge of the lifting door leaf 500 to form a clamping sealing fit when the lifting door leaf 500 is in a lowered position, and the first sealing strip 300 is clamped between the lower edge of the lifting door leaf 500 and the lower frame 200 by the self-gravity of the lifting door leaf 500 and the clamping sealing fit, thereby having better sealing and waterproof effects. It is explained that the direction perpendicular to the paper in the figure is the first direction.

[0041] In some embodiments, referring to Figures 1-3 The lower frame 200 is provided with a first slot 220, and the first sealing strip 300 is inserted into the first slot 220, which is convenient to assemble and disassemble, and is convenient to replace and maintain, has a simple structure, and is low in cost.

[0042] In addition, the first sealing strip 300 is arranged in the first slot 220 of the lower rail 210, so that different parts of the first sealing strip 300 can be exposed by pushing the lifting door leaf 500, and the user can conveniently select a suitable position to disassemble and replace the first sealing strip 300.

[0043] Referring to Figures 1-3 In some embodiments, the first sealing strip 300 cooperates with the lower frame 200 to form a first inner side surface facing the upper frame 100, and the lower rail 210 forms a second inner side surface facing the upper frame 100; wherein the height of the second inner side surface is higher than the height of the first inner side surface, and garbage on the second inner side surface is not easy to accumulate, and is more likely to accumulate at the position of the second inner side surface.

[0044] In some embodiments, referring to Figures 1-3 The first inner side surface has a surface structure without a concave surface, and / or the second inner side surface has a surface structure without a concave surface. Preferably, the first inner side surface and the second inner side surface both have a surface structure without a concave surface, so as to facilitate cleaning.

[0045] In some embodiments, referring to Figures 1-3 In the second direction Y, the two sides of the lower rail 210 are respectively provided with the first sealing strip 300, and better sealing cooperation can be achieved through sealing on both sides.

[0046] Referring to Figures 1-3 In some embodiments, the first sealing strip 300 is a sealing rubber strip, which is low in cost and has good sealing properties.

[0047] In some embodiments, referring to Figures 1-3 The side of the upper frame 100 facing the lower frame 200 is provided with a notch extending along the first direction, and the notch has a protrusion 120 extending along the first direction. The protrusion 120 cooperates with the notch to form the upper rail 110. The structure of the upper rail 110 can adopt an existing shape, and will not be described in detail.

[0048] Referring to Figures 1-3 In some embodiments, the inner surface of the notch is provided with an anti-abrasion piece 400, which is configured to be clamped between the surface of the lifting door leaf 500 and the inner surface of the notch. The anti-abrasion piece 400 can reduce the friction between the surface of the lifting door leaf 500 and the inner surface of the notch, which is conducive to noise reduction and structural protection. The anti-abrasion piece 400 can be a fluff strip, a rubber strip, etc.

[0049] In addition, referring to Figures 1-3 , the lower frame 200 further comprises a groove structure 230 with a dust cover 240, the dust cover 240 covers the groove structure 230 to form a seal, facilitating cleaning and reducing garbage entering the groove structure 230.

[0050] Referring to Figures 1-3 , the embodiments of the present application also provide a sliding and lifting door, which comprises a lifting door leaf 500 and a sliding door track structure provided according to any one of the above embodiments, the lifting door leaf 500 is slidably installed between the upper track 110 and the lower track 210, and the lifting door leaf 500 has a lowered position, in which the lower edge of the lifting door leaf 500 is pressed against the first sealing strip 300 to form a clamping sealing fit.

[0051] Specifically, the lifting door leaf 500 can comprise a door leaf body, a lifting wheel, a handle, and a lifting device, the lifting wheel is installed at the bottom end of the door leaf body, the lifting device is in transmission connection with the lifting wheel and the handle, the lifting device is driven by the handle to drive the lifting wheel to make lifting or lowering movement, thereby realizing the lifting and lowering of the lifting door leaf 500. The lifting device can adopt an existing connecting rod transmission structure. The lifting door leaf 500 specifically adopts an existing structure, which is not the improvement direction of the present application, and is not specifically limited.

[0052] In addition, referring to Figures 1-3 , the lifting door leaf 500 has a lifted position, in which the lower edge of the lifting door leaf 500 is separated from the first sealing strip 300, and the sliding thrust lifting door and window can be lifted.

[0053] In some embodiments, referring to Figures 1-3 , the sliding and lifting door further comprises a second sealing strip 600, which is arranged at the lower edge of the lifting door leaf 500 or the lower end of the lifting door leaf 500, and the second sealing strip 600 is configured to be in sealing fit with the first sealing strip 300 and / or the lower frame 200 in the lowered position, further improving the sealing and waterproof effect.

[0054] Referring to Figures 1-3 , in some embodiments, the sliding and lifting door further comprises a third sealing strip 700, which is arranged at the upper end of the lifting door leaf 500 or the upper frame 100, and the third sealing strip 700 is configured to form a sealing fit between the upper frame 100 and the upper end of the lifting door leaf 500, further improving the sealing and waterproof effect.

[0055] Finally, it should be pointed out that the technical features of the above embodiments can be combined in any way, in order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered as the scope of the present application.

[0056] The above embodiment only expresses one of the embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A track structure for a sliding door, for a sliding and lifting door, characterized in that, The sliding door track structure comprises: an upper frame (100) having an upper track (110) extending along a first direction; a lower frame (200) having a lower track (210) extending along the first direction, the upper track (110) and the lower track (210) being configured to slidably fit a lifting door leaf (500) to be slid; a first sealing strip (300) disposed on the lower frame (200), the first sealing strip (300) comprising a sealing portion located on at least one side of the lower track (210) along a second direction (Y), the sealing portion extending along the first direction, the first sealing strip (300) being configured to be pressed against a lower edge of the lifting door leaf (500) to form a clamping sealing fit when the lifting door leaf (500) is in a lowered position, the second direction (Y) being perpendicular to the first direction.

2. A sliding door track structure according to claim 1, characterized in that The lower frame (200) is provided with a first insertion slot (220), and the first sealing strip (300) is inserted into the first insertion slot (220).

3. A sliding door track structure according to claim 2, characterized in that The first sealing strip (300) cooperates with the lower frame (200) to form a first inner side surface facing the upper frame (100), and the lower track (210) forms a second inner side surface facing the upper frame (100); wherein the height of the second inner side surface is higher than the height of the first inner side surface.

4. A sliding door track structure according to claim 3, characterized in that The first inner side surface has a surface structure without a concave surface, and / or the second inner side surface has a surface structure without a concave surface.

5. A sliding door track structure according to any one of claims 2-4, characterized in that, In the second direction (Y), the lower track (210) is provided with the first sealing strip (300) on both sides thereof.

6. The sliding door track structure according to claim 1, characterized in that The first sealing strip (300) is a sealing rubber strip.

7. The sliding door track structure according to claim 1, characterized in that The side of the upper frame (100) facing the lower frame (200) is provided with a notch extending along the first direction, and the notch has a protrusion (120) extending along the first direction, the protrusion (120) and the notch cooperating to form the upper track (110).

8. A sliding door track structure according to claim 7, characterized in that An anti-wear member (400) is arranged on the inner surface of the notch, and the anti-wear member (400) is configured to be clamped between the surface of the lifting door leaf (500) and the inner surface of the notch.

9. A sliding lift door, characterized in that The sliding door track structure comprises: a lifting door leaf (500); The sliding door track structure according to any one of claims 1-8, the lifting door leaf (500) being slidably installed between the upper track (110) and the lower track (210), the lifting door leaf (500) having a lowered position, in which the lower edge of the lifting door leaf (500) is pressed against the first sealing strip (300) to form a clamping sealing fit.

10. The sliding lift door according to claim 9, wherein, Further comprising: a second sealing strip (600) disposed on the lower edge of the lifting door leaf (500) or the lower end of the lifting door leaf (500), the second sealing strip (600) being configured to sealingly cooperate with the first sealing strip (300) and / or the lower frame (200) in the lowered position; and / or, A third sealing strip (700) is provided at the upper end of the lift door leaf (500) or the upper frame (100), and the third sealing strip (700) is configured to form a sealing fit between the upper frame (100) and the upper end of the lift door leaf (500).