Lower rail multi-cavity type flat rail structure and sliding door
The multi-chambered lower track structure for push-pull doors addresses safety and maintenance issues by improving sealing and water management, ensuring easy cleaning and stability, while maintaining aesthetic appeal.
Patent Information
- Application Number
- CN202422343173.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-25
AI Technical Summary
Traditional balcony sliding doors have shortcomings in terms of safety, sealing performance, aesthetics and economy. Especially in high-rise buildings or areas that are susceptible to wind, the door leaf is prone to derailment, poor sealing performance, difficult to maintain and not beautiful.
A lower rail multi-cavity flat rail structure is designed. By setting multiple cavity and engaging structures in the lower rail, the ground height of the door leaf is increased, and a multi-layer waterproof structure is formed. Combined with stainless steel rail strips and removable auxiliary materials, the sealing performance and drainage performance are improved, making it easier to clean and repair.
It enhances the sealing and drainage performance of sliding doors, reduces the risk of accumulated water entering the room, reduces the difficulty of repair, and improves aesthetics and safety.
Smart Images

Figure CN223104437U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of doors and windows, in particular to a multi-cavity flat rail structure for the lower rail and a sliding door. Background Art
[0002] The balcony sliding door is an important partition connecting the indoor and the balcony. It can not only save space but also provide good lighting and ventilation. With the continuous pursuit of space utilization and aesthetics in modern home design, as an important space for indoor-outdoor transition, the design of the supporting sliding door for the balcony has received increasing attention. As a qualified flat rail balcony sliding door, the following points need to be mainly considered comprehensively:
[0003] 1. Safety: The sliding door needs to have sufficient strength to resist wind force, especially in high-rise buildings or areas vulnerable to wind influence, to prevent the door leaf from derailing and falling in bad weather, thus bringing risks.
[0004] 2. Sealing performance: As the last barrier for isolating the indoor and outdoor, the balcony door should have sufficient sealing performance and drainage performance to ensure that rain, snow and other bad weather do not invade the room.
[0005] 3. Aesthetics: With the improvement of people's living quality, the aesthetic requirements for doors and windows are gradually increasing. Therefore, attention should be paid to the aesthetics of the door and window in the design structure.
[0006] 4. Economy: Difficult maintenance and high maintenance difficulty lead to customers' reluctance to purchase such products. Moreover, the traditional sliding door track is uneven, which is easy to trip the elderly and children, and is easy to accumulate dust at the track. Summary of the Utility Model
[0007] The purpose of the utility model is to provide a multi-cavity flat rail structure for the lower rail and a sliding door, which can ensure the sealing performance and drainage performance of the sliding door by forming multiple sealed cavities in the lower rail on the premise of the traditional flat rail design of the balcony sliding door, and is convenient for later cleaning, maintenance and installation.
[0008] In the first aspect, the utility model provides a multi-cavity flat rail structure for the lower rail, including:
[0009] A lower rail, which is provided with a receiving groove and a first engaging structure. The receiving groove is used for receiving the bottom of the door leaf, and the first engaging structure is arranged at the bottom of the receiving groove and extends along the length extension direction of the lower rail.
[0010] A lower rail auxiliary material, on one side facing the first engaging structure, is provided with a first cavity and a second cavity. A second engaging structure is arranged between the first cavity and the second cavity, and the second engaging structure is detachably arranged on the first engaging structure.
[0011] The guide rail strip is arranged on the side of the lower track auxiliary material facing away from the second engaging structure, and the guide rail strip is used for the sliding pulley of the door leaf to engage.
[0012] The lower rail multi-cavity flat rail structure provided by the present utility model improves the ground clearance of the door leaf and increases the maximum water accumulation capacity of the lower rail by laying the lower track auxiliary material in the receiving groove and arranging a plurality of cavities, which helps to reduce the occurrence of indoor water ingress caused by water overflowing outside the room within a short period of time during sudden heavy rain; in addition, when it is difficult to clean the dust and garbage entering the lower track, the lower track auxiliary material can be removed for cleaning, which helps to reduce the difficulty of maintaining and cleaning the lower track.
[0013] Further, the lower track auxiliary material includes a first shielding wall, a second shielding wall, a connecting wall and a cover plate. The first shielding wall, the connecting wall and the second shielding wall are sequentially arranged at intervals on the cover plate. The first shielding wall, the connecting wall and the cover plate enclose to form the first cavity, and the second shielding wall, the connecting wall and the cover plate enclose to form the second cavity. When the second engaging structure is arranged on the first engaging structure, both the first shielding wall and the second shielding wall are in contact with the lower track to close the first cavity and the second cavity.
[0014] Adopting the above technical solution, when outdoor water accumulates and enters the receiving groove, the first shielding wall, the connecting wall and the second shielding wall will form a multi-layer water blocking structure, and the water accumulation is cached through the first cavity and the second cavity, which can effectively reduce the occurrence of water entering the room.
[0015] Further, the first engaging structure is one of a material card slot and a buckle, and the second engaging structure is the other of a material card slot and a buckle, and the buckle is detachably arranged in the material card slot.
[0016] Further, the buckle is a PVC buckle.
[0017] Further, the number of the lower track auxiliary materials is at least two, and at least two of the lower track auxiliary materials are arranged end to end in the receiving groove.
[0018] Adopting the above technical solution, by arranging at least two lower track auxiliary materials in the receiving groove, when it is necessary to disassemble the lower track auxiliary material, the door leaf can be first pushed to one side, so that the lower track auxiliary material can be disassembled and cleaned without disassembling the door leaf.
[0019] Further, a sealing wool strip is arranged in the receiving groove, and the number of the sealing wool strips is two, and the two sealing wool strips are respectively arranged on the opposite sides of the groove wall of the receiving groove.
[0020] With the above technical solution, by arranging sealing strips on opposite sides of the receiving groove, the entry of dust and garbage into the receiving groove can be reduced; in addition, the sealing strips can support the door leaf to run in the receiving groove, effectively reducing the occurrence of track deviation when the door leaf is pushed and pulled, which may cause the door leaf to rub against the lower track.
[0021] Further, the extended depth of the receiving groove is greater than the extended height of the lower track auxiliary material.
[0022] With the above technical solution, it helps to reduce the situation where the door leaf is impacted by strong wind and disengages from the lower track.
[0023] Further, the extended depth of the receiving groove is h1, and the extended height of the lower track auxiliary material is h2, where h1 - h2 ≥ 10 mm.
[0024] Further, the guide rail strip is a stainless steel strip.
[0025] In a second aspect, a sliding door provided by the present utility model includes the lower track multi - cavity flat track structure as described in any one of the above.
[0026] As can be seen from the above, the lower track multi - cavity flat track structure provided by the present utility model improves the ground clearance of the door leaf and increases the maximum water accumulation capacity of the lower track by laying the lower track auxiliary material in the receiving groove and arranging multiple cavities, which helps to reduce the situation of indoor water ingress caused by the overflow of accumulated water within a short time during a sudden heavy rain; in addition, when it is difficult to clean the dust and garbage entering the lower track, the lower track auxiliary material can be removed for cleaning, which helps to reduce the difficulty of maintaining and cleaning the lower track.
[0027] Other features and advantages of the present application will be described in the subsequent specification, and, in part, will become apparent from the specification or be understood by implementing the embodiments of the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures specifically pointed out in the written specification and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a schematic structural diagram of a lower track multi - cavity flat track structure proposed by the present utility model.
[0029] Figure 2 For Figure 1 it is a schematic structural diagram of the lower track auxiliary material.
[0030] Figure 3 For Figure 1 it is a schematic structural diagram of the lower track.
[0031] In the drawings: 10, door leaf; 11, lower pulley of the door leaf; 100, lower track; 110, receiving groove; 120, first engaging structure; 121, auxiliary material card slot; 130, sealing strip; 200, lower track auxiliary material; 210, first cavity; 220, second cavity; 230, second engaging structure; 231, buckle; 241, first shielding wall; 242, second shielding wall; 243, connecting wall; 244, cover plate; 300, guide rail strip. Detailed implementation mode
[0032] The following details the implementation modes of the present utility model. Examples of the implementation modes are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The implementation modes described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as a limitation of the present utility model.
[0033] The following disclosure provides many different implementation modes or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various implementation modes and / or settings discussed.
[0034] A multi-cavity flat track structure for the lower track disclosed by the present utility model is mainly applied to balcony sliding doors. The multi-cavity flat track structure for the lower track ensures that on the premise of the traditional flat track design of balcony sliding doors, by forming multiple sealed cavities in the lower track, the sealing performance and drainage performance of the sliding doors are enhanced, facilitating later cleaning, maintenance, and installation.
[0035] Refer to the attached Figure 1 Attachments Figure 2 Attachments Figure 3 Referring to the attached drawings, in one embodiment, the multi-cavity flat track structure for the lower track includes a lower track 100, a lower track auxiliary material 200, and a guide rail strip 300. The lower track 100 is provided with a receiving groove 110 and a first engaging structure 120. The receiving groove 110 is used to receive the bottom of the door leaf 10, and the first engaging structure 120 is provided at the bottom of the receiving groove 110 and is arranged along the length extension direction of the lower track 100; on one side of the lower track auxiliary material 200 facing the first engaging structure 120, a first cavity 210 and a second cavity 220 are provided. A second engaging structure 230 is provided between the first cavity 210 and the second cavity 220, and the second engaging structure 230 is detachably arranged on the first engaging structure 120; the guide rail strip 300 is arranged on the side of the lower track auxiliary material 200 facing away from the second engaging structure 230, and the guide rail strip 300 is used for the lower pulley 11 of the door leaf to engage.
[0036] As can be seen from the above, the lower-rail multi-cavity flat-rail structure provided by the present utility model improves the ground clearance of the door leaf 10 by laying the lower-rail auxiliary material 200 in the receiving groove 110 and setting multiple cavities, increases the maximum water accumulation capacity of the lower rail 100, and helps to reduce the occurrence of indoor water ingress caused by water overflowing outside within a short time during sudden heavy rain; in addition, when dust and garbage enter the lower rail 100 and are difficult to clean, the lower-rail auxiliary material 200 can be removed for cleaning, which helps to reduce the difficulty of maintenance and cleaning of the lower rail 100.
[0037] Refer to the attached Figure 2 , in one embodiment, the lower-rail auxiliary material 200 includes a first shielding wall 241, a second shielding wall 242, a connecting wall 243, and a cover plate 244. The first shielding wall 241, the connecting wall 243, and the second shielding wall 242 are sequentially and spacedly arranged on the cover plate 244. The first shielding wall 241, the connecting wall 243, and the cover plate 244 enclose to form a first cavity 210, and the second shielding wall 242, the connecting wall 243, and the cover plate 244 enclose to form a second cavity 220. When the second engaging structure 230 is disposed on the first engaging structure 120, both the first shielding wall 241 and the second shielding wall 242 are abutted against the lower rail 100 to close the first cavity 210 and the second cavity 220.
[0038] Adopting the above technical solution, when outdoor accumulated water enters the receiving groove 110, the first shielding wall 241, the connecting wall 243, and the second shielding wall 242 will form a multi-layer water-blocking structure, and the accumulated water is cached through the first cavity 210 and the second cavity 220, which can effectively reduce the occurrence of accumulated water entering the room.
[0039] Refer to the attached Figure 2 、attached Figure 3 , in one embodiment, the first engaging structure 120 is one of a auxiliary material clamping groove 121 and a clamping member 231, and the second engaging structure 230 is the other of the auxiliary material clamping groove 121 and the clamping member 231. The clamping member 231 is detachably disposed in the auxiliary material clamping groove 121.
[0040] In one embodiment, the clamping member 231 is a PVC clamping member.
[0041] In one embodiment, the number of the lower-rail auxiliary materials 200 is at least two, and at least two lower-rail auxiliary materials 200 are arranged end to end in the receiving groove 110.
[0042] Adopting the above technical solution, by setting at least two lower-rail auxiliary materials 200 in the receiving groove 110, when the lower-rail auxiliary materials 200 need to be disassembled, the door leaf 10 can be first pushed to one side, so that the lower-rail auxiliary materials 200 can be disassembled and cleaned without disassembling the door leaf 10.
[0043] Reference appendix Figure 3 In one embodiment, a sealing strip 130 is provided in the receiving groove 110. The number of the sealing strips 130 is two, and the two sealing strips 130 are respectively arranged on opposite sides of the groove wall of the receiving groove 110.
[0044] With the above technical solution, by arranging the sealing strips 130 on opposite sides of the receiving groove 110, the entry of dust and garbage into the receiving groove 110 can be reduced; in addition, the sealing strips 130 can support the door leaf 10 to run in the receiving groove 110, effectively reducing the occurrence of track deviation when the door leaf 10 is pushed and pulled, thereby preventing the door leaf 10 from rubbing against the lower track 100.
[0045] In one embodiment, the extending depth of the receiving groove 110 is greater than the extending height of the lower track auxiliary material 200.
[0046] With the above technical solution, it helps to reduce the situation that the door leaf 10 is impacted by strong wind and disengages from the lower track 100.
[0047] In one embodiment, the extending depth of the receiving groove 110 is h1, and the extending height of the lower track auxiliary material 200 is h2, where h1 - h2 ≥ 10 mm.
[0048] In one embodiment, the guide rail strip 300 is a stainless steel strip.
[0049] With the above technical solution, due to the good oxidation resistance and corrosion resistance of the stainless steel strip, it can improve the service life while ensuring the smooth opening of the sliding door.
[0050] The present utility model further provides a sliding door, including the lower rail multi - cavity flat rail structure of any one of the above embodiments.
[0051] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "certain embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0052] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the inventive concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.
Claims
1. A lower-rail multi-cavity flat-rail structure, characterized in that, Comprising: A lower track (100) provided with a receiving groove (110) and a first engaging structure (120). The receiving groove (110) is used to receive the bottom of the door leaf (10), and the first engaging structure (120) is provided at the bottom of the receiving groove (110). The first engaging structure (120) is arranged along the length extension direction of the lower track (100); A lower track auxiliary material (200) having a first cavity (210) and a second cavity (220) on a side facing the first engaging structure (120). A second engaging structure (230) is provided between the first cavity (210) and the second cavity (220), and the second engaging structure (230) is detachably arranged on the first engaging structure (120); A guide rail strip (300) arranged on a side of the lower track auxiliary material (200) facing away from the second engaging structure (230). The guide rail strip (300) is used for the lower pulley (11) of the door leaf to engage.
2. The multi-cavity flat rail structure of the lower rail according to claim 1, characterized in that The lower track auxiliary material (200) includes a first shielding wall (241), a second shielding wall (242), a connecting wall (243) and a cover plate (244). The first shielding wall (241), the connecting wall (243) and the second shielding wall (242) are sequentially arranged at intervals on the cover plate (244). The first shielding wall (241), the connecting wall (243) and the cover plate (244) enclose to form the first cavity (210), and the second shielding wall (242), the connecting wall (243) and the cover plate (244) enclose to form the second cavity (220). When the second engaging structure (230) is arranged on the first engaging structure (120), both the first shielding wall (241) and the second shielding wall (242) are in contact with the lower track (100) to close the first cavity (210) and the second cavity (220).
3. The lower rail multi-cavity flat rail structure according to claim 1, characterized in that, The first engaging structure (120) is one of an auxiliary material card slot (121) and a buckle (231), and the second engaging structure (230) is the other of the auxiliary material card slot (121) and the buckle (231). The buckle (231) is detachably arranged in the auxiliary material card slot (121).
4. A lower rail multi-cavity flat rail structure according to claim 3, characterized in that The buckle (231) is a PVC buckle.
5. The multi-cavity flat rail structure of the lower rail according to claim 1, characterized in that The number of the lower track auxiliary materials (200) is at least two, and at least two of the lower track auxiliary materials (200) are connected end to end and arranged in the receiving groove (110).
6. The multi-cavity flat rail structure of the lower rail according to claim 1, characterized in that, A sealing wool strip (130) is arranged in the receiving groove (110). The number of the sealing wool strips (130) is two, and the two sealing wool strips (130) are respectively arranged on opposite sides of the groove wall of the receiving groove (110).
7. A lower rail multi-cavity flat rail structure according to claim 1, characterized in that, The extending depth of the receiving groove (110) is greater than the extending height of the lower track auxiliary material (200).
8. A lower rail multi-cavity flat rail structure according to claim 7, characterized in that, The extending depth of the receiving groove (110) is h1, and the extending height of the lower track auxiliary material (200) is h2, where h1 - h2 ≥ 10 mm.
9. The lower rail multi-cavity flat rail structure according to claim 1, characterized in that, The guide rail strip (300) is a stainless steel strip.
10. A sliding door, characterized in that, Including the lower track multi-cavity flat rail structure according to any one of claims 1 - 9.