Two-rail sliding door

By installing anti-collision devices in the double-track sliding door, the problem of damage and deformation caused by the collision between the handle and the door leaf is solved, thus protecting the handle and maintaining the flatness and sealing performance of the door leaf, and extending its service life.

CN223739242UActive Publication Date: 2025-12-30SHENZHEN GUANGJIAN DECORATION ENG CO LTD
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Patent Information

Application Number
CN202520052738.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-30
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

In existing two-track sliding doors, the handle collides with the other door leaf, causing damage to the handle and partial deformation of the door leaf, affecting the sealing performance and service life.

Method used

Design a two-track sliding door, including a door frame assembly, a door leaf assembly, and an anti-collision device. The anti-collision device is located on the outdoor side of the first sliding door leaf, on the outdoor side of the first handle and the first sliding door leaf, and on the outdoor side of the handle and the locking device. It prevents the handle from colliding directly with the second handle. The locking part, the connecting part, and the anti-collision body are integrated into one piece to buffer and prevent collisions.

Benefits of technology

It effectively prevents the handle from being scratched and deformed, extends the handle's service life, maintains the door's flatness and sealing performance, and improves durability and reliability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223739242U_ABST
    Figure CN223739242U_ABST
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Abstract

The utility model belongs to the technical field of doors and windows, and discloses a two-rail sliding door which is composed of a door frame assembly, a door leaf assembly and an anti-collision device, the door leaf assembly comprises a first sliding door leaf and a second sliding door leaf which oppositely slide in parallel in the door frame assembly, the first sliding door leaf is close to the indoor side, a first handle is arranged on the indoor side of the first sliding door leaf, and a second handle is arranged on the indoor side of the second sliding door leaf. By means of the anti-collision device, the first sliding door leaf can be effectively prevented from colliding with the second handle, the surface of the second handle is prevented from being damaged and deformed, the service life of the second handle is prolonged, the first sliding door leaf can be prevented from being deformed due to collision, and the flatness, structural integrity and sealing performance of the first sliding door leaf are kept; the service life of the sliding door is prolonged, the overall durability and reliability of the two-rail sliding door are finally improved, and better use experience is provided for users.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window technical field, especially two rail sliding door. BACKGROUND

[0002] In the field of building doors and windows, two rail sliding doors are favored because of their flexibility and space saving. The existing two rail sliding doors are mostly provided with buffer blocks at the end of sliding doors and windows, which are made of elastic materials such as rubber and silicone, and can buffer the collision when the door leaf slides to the end of the track, protecting the structure of the door and window. However, when one of the door leaves slides, the upper handle of the door leaf often collides with the other door leaf due to the protrusion of the handle on the surface of the door leaf, causing damage to the handle itself, affecting operation, and also causing local deformation of the door leaf, damaging the flatness of the entire door leaf, and further affecting the sealing performance and service life of the door. SUMMARY

[0003] The main purpose of the utility model is to provide a two rail sliding door, which aims to solve the technical problem that the handle on the door leaf easily collides with the other door leaf when one of the door leaves in the existing two rail sliding door slides, causing damage to the handle and local deformation of the door leaf.

[0004] In order to achieve the above-mentioned utility model purposes, the utility model provides a two rail sliding door, which comprises a door frame assembly, a door leaf assembly and a collision prevention device.

[0005] The door leaf assembly comprises a first sliding door leaf and a second sliding door leaf, which are respectively connected in sliding mode in the door frame assembly, and the first sliding door leaf and the second sliding door leaf are arranged in parallel and opposite to each other, wherein the first sliding door leaf is arranged in the indoor side relative to the second sliding door leaf.

[0006] The first sliding door leaf is provided with a first handle on one side facing the indoor side, and the second sliding door leaf is provided with a second handle on one side facing the indoor side, so that the first handle and the second handle are located on the same side.

[0007] The collision prevention device is arranged on one side of the first sliding door leaf facing the outdoor side, so that the first handle and the collision prevention device are arranged opposite to each other.

[0008] Further, the collision prevention device comprises a buckle part, a connecting part and a collision prevention main body, the first sliding door leaf is provided with a side opposite to the first handle, which is provided with a containing groove, the buckle part is fixedly connected in the containing groove, the connecting part is connected with the buckle part and extends towards the second sliding door leaf, and the collision prevention main body is arranged on one side of the connecting part close to the second sliding door leaf, and the buckle part, the connecting part and the collision prevention main body are an integral part.

[0009] Further, the distance from the side of the second sliding door leaf close to the anti-collision main body to the anti-collision main body is a first distance, and the distance from the side of the first sliding door leaf close to the second handle to the second handle is a second distance, wherein the first distance is smaller than the second distance.

[0010] Further, the first sliding door leaf and the second sliding door leaf are structurally identical, the first sliding door leaf comprises a door leaf frame and a door leaf body, the door leaf frame is provided with a containing groove extending along the entire circumferential direction of the door leaf frame, the containing groove is provided with a glass rubber pad, one side of the door leaf body is located in the containing groove and in contact with the glass rubber pad, and the other side of the door leaf body away from the glass rubber pad is spaced apart from the bottom of the containing groove.

[0011] Further, the door frame assembly comprises two longitudinally arranged door frames and two transversely arranged door frames, the bottom of the transversely arranged door frame is provided with a buckle groove, the transversely arranged door frame is connected to the wall through the buckle groove and the clamping plate, and the longitudinally arranged door frame is connected to the wall through the expansion bolt.

[0012] Further, the transversely arranged door frame comprises a lower door frame, the lower door frame is provided with a first protrusion close to the door leaf frame, the first protrusion is provided with a track groove, the track groove is provided with a track strip, the door leaf frame is provided with a bearing sliding block close to the track strip, and the door leaf frame is connected to the track strip through the bearing sliding block.

[0013] Further, the transversely arranged door frame further comprises an upper door frame opposite to the lower door frame, the upper door frame is provided with a second protrusion close to the door leaf frame, the door leaf frame is provided with two anti-swing pieces close to the second protrusion, and the two anti-swing pieces are in contact with the two sides of the second protrusion, respectively.

[0014] Further, the second protrusion is two, the upper door frame is further provided with an anti-theft block close to the door leaf frame, the anti-theft block is located between the two second protrusions, and the second protrusion is in contact with the door leaf frame.

[0015] Further, the longitudinally arranged door frame is provided with a third protrusion close to the door leaf frame, one side of the third protrusion is provided with a frame rubber strip for being in contact with the door leaf frame, and the door leaf frame is provided with two fan rubber strips close to the third protrusion, and the two fan rubber strips are in contact with the two sides of the third protrusion, respectively.

[0016] Further, the glass in the door leaf assembly is hollow glass, and the material of the door frame is broken bridge aluminum profile.

[0017] Beneficial effects:

[0018] The utility model discloses a two rail sliding door, including door frame subassembly, door leaf subassembly and anti -collision device, the door leaf subassembly includes first sliding door leaf and second sliding door leaf, first sliding door leaf and second sliding door leaf are slidably connected in door frame subassembly respectively, first sliding door leaf and second sliding door leaf are parallel and opposite to set, wherein, first sliding door leaf is located in the indoor setting relative to second sliding door leaf, the first sliding door leaf is provided with first handle to the one side of the indoor, and the second sliding door leaf is provided with second handle to the one side of the indoor, make first handle with second handle are located on the same side, the anti -collision device sets up to the one side of the outdoor of first sliding door leaf, makes first handle with anti -collision device opposite setting. Therefore through the anti -collision device, effectively prevent first sliding door leaf and directly collide second handle, avoid second handle surface scratch, deformation and other physical damage, prolong the service life of second handle, prevent the deformation of first sliding door leaf because of the additional stress of second handle collision simultaneously, keep the flatness and structural integrity of first sliding door leaf whole, help to maintain the good sealing performance of first sliding door leaf, effectively prolong the service life of first sliding door leaf, and then improve the durability and reliability of whole two rail sliding door. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is two rail sliding door schematic diagram of an embodiment of the utility model;

[0020] Figure 2 It is two rail sliding door schematic diagram of an embodiment of the utility model; Figure 1 It is S-01 sectional view of the utility model;

[0021] Figure 3 It is S-02 sectional view of the utility model; Figure 1 It is A place partial close -up of the utility model;

[0022] Figure 4 It is A place partial close -up of the utility model; Figure 3 It is the partial schematic diagram of the utility model with clamping plate;

[0023] Figure 5 It is the partial schematic diagram of the utility model with expansion bolt. Figure 2

[0024] Figure 6 It is the partial schematic diagram of the utility model with expansion bolt. Figure 3

[0025] Among them:

[0026] 1, door frame subassembly;2, door leaf subassembly;3, anti -collision device;

[0027] ​​10, longitudinal door frame; 11, transverse door frame; 12, buckle groove; 13, clamping plate; 14, expansion bolt;

[0028] 101, left door frame; 102, right door frame; 103, third protrusion; 104, frame adhesive strip; 105, fan adhesive strip;

[0029] 110, lower door frame; 111, upper door frame; 112, first protrusion; 113, track strip; 114, load-bearing sliding block; 115, second protrusion; 116, anti-swing piece; 117, anti-theft block;

[0030] 20, first sliding door leaf; 21, second sliding door leaf; 22, first handle; 23, second handle;

[0031] 201, door leaf frame body; 202, door leaf body; 203, accommodating groove; 204, glass adhesive pad;

[0032] 210, door leaf frame; 211, door leaf body;

[0033] 30, buckle part, 31, connecting part; 32, anti-collision main body; 33, accommodating groove.

[0034] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0035] It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0036] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the communication or two element's mutual action relation.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0038] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the first feature is higher than the second feature in horizontal height.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the first feature is less than the second feature in horizontal height.

[0039] Referring to Figures 1-6 , the embodiment provides a two-track sliding door, including door frame assembly 1, door leaf assembly 2 and anti-collision device 3;

[0040] The door leaf assembly 2 includes first sliding door leaf 20 and second sliding door leaf 21, the first sliding door leaf 20 and the second sliding door leaf 21 are slidably connected in the door frame assembly 1, the first sliding door leaf 20 and the second sliding door leaf 21 are parallel and oppositely arranged, wherein the first sliding door leaf 20 is located indoor relative to the second sliding door leaf 21;

[0041] The first sliding door leaf 20 is provided with first handle 22 towards the side of the indoor, and the second sliding door leaf 21 is provided with second handle 23 towards the side of the indoor, so that the first handle 22 and the second handle 23 are located on the same side;

[0042] The anti-collision device 3 is arranged on the outdoor side of the first sliding door leaf 20, so that the first handle 22 and the anti-collision device 3 are oppositely arranged.

[0043] In the above embodiment, the two-track sliding door is mainly composed of a door frame assembly 1, a door leaf assembly 2 and a collision prevention device 3. The door frame assembly 1 provides frame support for the entire sliding door, and the inner track is used for sliding the door leaf assembly 2. The door leaf assembly 2 includes a first sliding door leaf 20 and a second sliding door leaf 21, which are arranged in parallel and opposite to each other. The first sliding door leaf 20 is located on the indoor side, and a first handle 22 is installed on the indoor side of the first sliding door leaf 20, which is convenient for indoor personnel to operate the door. The second sliding door leaf 21 is also located in the door frame assembly 1, and the indoor side of the second sliding door leaf 21 is provided with a second handle 23. The first sliding door leaf 20 is located on the indoor side relative to the second sliding door leaf 21, that is, when the first sliding door leaf 20 and the second sliding door leaf 21 are arranged in staggered parallel in the door frame assembly 1, the first sliding door leaf 20 is in front, and the second sliding door leaf 21 is relatively behind. The first and second sliding door leaves are connected with the track in the door frame assembly 1 through pulley and other devices to realize smooth opening and closing movement. The collision prevention device 3 is installed on the outdoor side of the first sliding door leaf 20, opposite to the first handle 22. When the second sliding door leaf 21 approaches the first sliding door leaf 20 during sliding, the collision prevention device 3 plays a buffering and blocking role. Therefore, the first sliding door leaf 20 is effectively prevented from directly colliding with the second handle 23 through the collision prevention device 3, avoiding physical damage such as scratching and deformation of the surface of the second handle 23, prolonging the service life of the second handle 23, preventing the first sliding door leaf 20 from deforming due to the collision of the second handle 23, maintaining the flatness and structural integrity of the first sliding door leaf 20, helping to maintain the good sealing performance of the first sliding door leaf 20, effectively prolonging the service life of the first sliding door leaf 20, and further improving the durability and reliability of the entire two-track sliding door.

[0044] Reference Figures 1-6 In an embodiment, the collision prevention device 3 includes a buckle part 30, a connecting part 31 and a collision prevention body 32. The first sliding door leaf 20 is provided with a receiving groove 33 opposite to the first handle 22. The buckle part 30 is fixedly connected in the receiving groove 33. The connecting part 31 is connected with the buckle part 30 and extends towards the second sliding door leaf 21. The collision prevention body 32 is arranged on the side of the connecting part 31 close to the second sliding door leaf 21. The buckle part 30, the connecting part 31 and the collision prevention body 32 are an integral piece.

[0045] In the above embodiment, the anti-collision device 3 comprises a buckle part 30, a connecting part 31 and an anti-collision main body 32, a containing groove 33 is located on the door leaf frame 201 of the first sliding door leaf 20, opposite to the first handle 22, which is adapted in shape and size to the buckle part 30 for fixing the buckle part 30, the buckle part 30 is the key part connecting the anti-collision device 3 and the first sliding door leaf 20, which is firmly connected in the containing groove 33 by a specific fixing method (such as clamping, gluing, etc.); the connecting part 31 is connected to the buckle part 30 at one end and extends towards the second sliding door leaf 21 at the other end, which functions to connect the buckle part 30 and the anti-collision main body 32 and transmit the impact force during collision, the anti-collision main body 32 is arranged on the side of the connecting part 31 close to the second sliding door leaf 21, and the distance from the side of the second sliding door leaf 21 close to the anti-collision main body 32 to the anti-collision main body 32 is a first distance, the distance from the side of the first sliding door leaf 20 close to the second handle 23 to the second handle 23 is a second distance, the first distance is less than the second distance, so that when the second sliding door leaf 21 approaches the first sliding door leaf 20 during sliding, the anti-collision main body 32 first contacts the second sliding door leaf 21, playing a buffering and blocking role, since the buckle part 30, the connecting part 31 and the anti-collision main body 32 are an integral piece, usually made of rubber or plastic and other materials with certain elasticity, so that the anti-collision device 3 can be subjected to force as a whole when subjected to collision, enhancing the structural strength and durability of the anti-collision device 3 and reducing the risk of failure due to loose or separated parts.

[0046] Referring to Figures 1-3 In an embodiment, the first sliding door leaf 20 and the second sliding door leaf 21 are structurally identical, the first sliding door leaf 20 comprises a door leaf frame 201 and a door leaf body 202, the door leaf frame 201 is provided with a containing groove 203, the containing groove 203 extends along the entire circumference of the door leaf frame 201, the containing groove 203 is provided with a glass adhesive pad 204, one side of the door leaf body 202 is located in the containing groove 203 and in contact with the glass adhesive pad 204, and the other side of the door leaf body 202 away from the glass adhesive pad 204 is spaced apart from the bottom of the containing groove 203.

[0047] In the above embodiment, the first sliding door leaf 20 and the second sliding door leaf 21 are structurally identical, and the first sliding door leaf 20 is taken as an example for description, including a door leaf frame 201 and a door leaf body 202, and the second sliding door leaf 21 is marked for clear illustration, including a door leaf frame 210 and a door leaf body 211. The door leaf frame 201 constitutes a frame structure of the door leaf, providing support and fixing functions for the whole door leaf, and a receiving groove 203 is arranged along the entire circumferential direction of the door leaf frame 201, which is matched in shape and size with the door leaf body 202. A glass rubber pad 204 is arranged in the receiving groove 203, which is preferably arranged in the transverse door leaf frame 201 receiving groove 203, and mainly functions to buffer and support the door leaf body 202, reduce the friction and vibration between the door leaf body 202 and the door leaf frame 201, and the door leaf body 202 and the door leaf body 211 are made of transparent glass and hollow glass material, which has good sound insulation and heat insulation performance. The glass in the door leaf assembly 2 is hollow glass, and the material of the door frame is broken bridge aluminum profile, which can also be made of other heat insulation materials such as plastic steel or wood, effectively improving the heat insulation effect of the whole sliding door. The door leaf body 202 is placed in the receiving groove 203 and tightly contacts with the glass rubber pad 204, and is connected with the adjacent two door leaf frames 201 through glass glue, ensuring firm and sealed connection, and the other side of the door leaf body 202 away from the glass rubber pad 204 is spaced apart from the bottom of the receiving groove 203 by a specified interval, which provides space for the hollow glass and facilitates the installation of the door leaf body 202.

[0048] Referring to Figures 1-6 In an embodiment, the door frame assembly 1 includes two longitudinal door frames 10 and a transverse door frame 11 arranged adjacent to each other, respectively. The bottom of the transverse door frame 11 is provided with a buckle groove 12, and the transverse door frame 11 is connected with the wall body through a clamping plate 13 clamped in the buckle groove 12. The longitudinal door frame 10 is connected with the wall body through an expansion bolt 14.

[0049] In the above embodiment, the door frame assembly 1 is composed of longitudinal door frames 10 and transverse door frames 11, the longitudinal door frames 10 are two, including oppositely arranged left door frame 101 and right door frame 102, and are respectively arranged in the vertical direction, and the main function is to provide vertical support and positioning for the sliding door, to ensure the stability of the door in the height direction, the transverse door frames 11 are also two, arranged in the horizontal direction, and connected with the longitudinal door frames 10, to form a complete rectangular frame, the transverse door frame 11 is provided with a buckle groove 12 at the bottom, wherein the bottom of the longitudinal door frame 10 and the transverse door frame 11 is provided with an open buckle groove 12 and a closed buffer space formed by a partition piece, the clamping plate 13 is an important component for connecting the transverse door frame 11 and the wall, which is fixed in the horizontal direction by clamping into the buckle groove 12, and is fixed with the wall by bolts, so as to connect the transverse door frame 11 with the wall, and the expansion bolt 14 is installed on the partition piece at the bottom of the longitudinal door frame 10 and penetrates through the buckle groove 12, which is used to firmly anchor the longitudinal door frame 10 on the wall, bear the weight of the door and prevent the door frame from moving during use, and effectively improve the firmness of the whole door frame assembly 1 connected with the wall.

[0050] With reference to Figures 1-5 In an embodiment, the transverse door frame 11 includes a lower door frame 110, the lower door frame 110 is provided with a first protrusion 112 near one side of the door leaf frame body 201, the first protrusion 112 is provided with a track groove, and the track groove is provided with a track strip 113, and the door leaf frame body 201 is provided with a load-bearing sliding block 114 near one side of the track strip 113, and the door leaf frame body 201 is connected with the track strip 113 through the load-bearing sliding block 114.

[0051] In the above embodiment, the lower door frame 110 of the transverse door frame 11 is the part at the bottom of the two-rail sliding door frame structure, which plays an important role in supporting the door leaf and guiding the sliding of the door leaf, the first protrusion 112 provided near one side of the door leaf frame body 201 protrudes from the surface of the lower door frame 110, providing a structural basis for the sliding of the door leaf, the track groove on the first protrusion 112 is used to accommodate the track strip 113, and the track strip 113 is installed in the track groove, the load-bearing sliding block 114 near one side of the track strip 113 is a component directly contacting the track strip 113, the first protrusion 112 is two, and the two first protrusions 112 correspond to the first sliding door leaf 20 and the second sliding door leaf 21 respectively, so that the two door leaves can independently slide on their respective tracks, the door leaf frame body 201 moves smoothly on the track strip 113 through the load-bearing sliding block 114, realizes the opening and closing function of the sliding door, makes the sliding of the door leaf more smooth, reduces the jamming phenomenon, and improves the convenience of use for users.

[0052] With reference to Figures 1-4In an embodiment, the transverse door frame 11 further comprises an upper door frame 111 arranged opposite to the lower door frame 110, the upper door frame 111 is provided with a second protrusion 115 near one side of the door leaf frame 201, and the door leaf frame 201 is provided with two anti-swing pieces 116 near one side of the second protrusion 115, and the two anti-swing pieces 116 are respectively in contact with two sides of the second protrusion 115.

[0053] In the above embodiment, the transverse door frame 11 further comprises an upper door frame 111 arranged opposite to the lower door frame 110, the lower door frame 110 and the upper door frame 111 are respectively located at the upper and lower ends of the two-track sliding door, the second protrusion 115 provided on one side of the door leaf frame 201 of the upper door frame 111 is a structural part protruding from the surface of the upper door frame 111 to the direction of the door leaf frame 201, and the two anti-swing pieces 116 near one side of the second protrusion 115 of the door leaf frame 201 are respectively located on two sides of the second protrusion 115 and are in close contact with the second protrusion 115, when the door leaf is installed in the door frame, the second protrusion 115 of the upper door frame 111 and the anti-swing piece 116 on the door leaf frame 201 form a mutual cooperation relationship, so that the door leaf is limited and stabilized in the vertical direction, preventing the door leaf from shaking or deviating during the up and down movement, and ensuring the stability and reliability of the overall structure of the sliding door.

[0054] Further, the second protrusion 115 is two, and the two second protrusions 115 are respectively used for sliding contact of the first sliding door leaf 20 and the second sliding door leaf 21, and the upper door frame 111 is further provided with an anti-theft block 117 near one side of the door leaf frame 201, the anti-theft block 117 is located between the two second protrusions 115 and is an additional safety protection component, in the door closed state, the door leaf frame 201 is in contact with the anti-theft block 117, forming a blocking mechanism, increasing the difficulty of forcibly opening the door from the outside, improving the anti-theft performance of the door, so that the anti-theft block 117 enhances the safety of the door, and cooperates to protect the normal use and safety of the sliding door.

[0055] Referring to Figures 1-6 In an embodiment, the longitudinal door frame 10 is provided with a third protrusion 103 near one side of the door leaf frame 201, one side of the third protrusion 103 is provided with a frame adhesive tape 104, the frame adhesive tape 104 is used for being in contact with the door leaf frame 201, and the door leaf frame 201 is provided with two fan adhesive tapes 105 near one side of the third protrusion 103, and the two fan adhesive tapes 105 are respectively in contact with two sides of the third protrusion 103.

[0056] In the above embodiment, the third protrusion 103 is arranged on the side of the longitudinal door frame 10 close to the door leaf frame 201, and protrudes from the surface of the longitudinal door frame 10; the frame adhesive tape 104 is arranged on one side of the third protrusion 103, and is connected to the longitudinal door frame 10 by clamping; the frame adhesive tape 104 is usually made of rubber or other materials with good elasticity and sealing performance, and mainly functions to tightly contact the door leaf frame 201 when the door leaf is closed, and fill the gap between the door leaf frame 201 and the longitudinal door frame 10; the two leaf adhesive tapes 105 are arranged on the side of the door leaf frame 201 close to the third protrusion 103, and are also made of elastic materials, and are respectively arranged on the two sides of the third protrusion 103; when the door leaf is installed in the door frame, the frame adhesive tape 104 is clamped on the door leaf frame 201, and the two leaf adhesive tapes 105 are respectively in contact with the two sides of the third protrusion 103, so that the longitudinal door frame 10 and the door leaf frame 201 can be effectively sealed in all directions, and the sealing performance of the sliding door in the closed state and the integrity of the overall structure are ensured.

[0057] The above description is only preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the present application and the drawings, is also included in the patent protection range of the present application.

Claims

1. A two-track sliding door, characterized in that The application relates to a door frame assembly, a door leaf assembly and a collision-preventing device. The door leaf assembly comprises a first sliding door leaf and a second sliding door leaf, which are respectively slidably connected in the door frame assembly and are arranged in parallel and oppositely, wherein the first sliding door leaf is arranged in a room relative to the second sliding door leaf. The first sliding door leaf is provided with a first handle on one side facing the room, and the second sliding door leaf is provided with a second handle on one side facing the room, so that the first handle and the second handle are arranged on the same side. The collision-preventing device is arranged on one side of the first sliding door leaf facing the outside, so that the first handle and the collision-preventing device are arranged oppositely.

2. A two-track sliding door according to claim 1, characterized in that The collision-preventing device comprises a buckle part, a connecting part and a collision-preventing main body, one side of the first sliding door leaf opposite to the first handle is provided with a containing groove, the buckle part is fixedly connected in the containing groove, the connecting part is connected with the buckle part and extends towards the second sliding door leaf, the collision-preventing main body is arranged on one side of the connecting part close to the second sliding door leaf, and the buckle part, the connecting part and the collision-preventing main body are an integral piece.

3. A two-track sliding door according to claim 2, characterized in that The distance from one side of the second sliding door leaf close to the collision-preventing main body to the collision-preventing main body is a first distance, the distance from one side of the first sliding door leaf close to the second handle to the second handle is a second distance, and the first distance is smaller than the second distance.

4. A two-track sliding door according to claim 1, characterized in that The first sliding door leaf and the second sliding door leaf are of the same structure, the first sliding door leaf comprises a door leaf frame body and a door leaf body, the door leaf frame body is provided with a containing groove extending along the whole circumferential direction of the door leaf frame body, the containing groove is provided with a glass rubber pad, one side of the door leaf body is located in the containing groove and is in contact with the glass rubber pad, and the other side of the door leaf body away from the glass rubber pad is formed with a specified interval from the bottom of the containing groove.

5. A two-track sliding door according to claim 4, characterized in that The door frame assembly comprises two longitudinal door frames and two transverse door frames which are arranged adjacently, the bottom of the transverse door frame is provided with a buckle groove, the transverse door frame is connected with a wall body through a clamping plate clamped in the buckle groove, and the longitudinal door frame is connected with the wall body through expansion bolts.

6. A two-track sliding door according to claim 5, characterized in that The transverse door frame comprises a lower door frame, one side of the lower door frame close to the door leaf frame body is provided with a first protruding block, the first protruding block is provided with a track groove, the track groove is provided with a track strip, one side of the door leaf frame body close to the track strip is provided with a bearing sliding block, and the door leaf frame body is slidably connected on the track strip through the bearing sliding block.

7. A two-track sliding door according to claim 6, characterized in that The transverse door frame further comprises an upper door frame arranged oppositely to the lower door frame, one side of the upper door frame close to the door leaf frame body is provided with a second protruding block, and one side of the door leaf frame body close to the second protruding block is provided with two anti-swing pieces which are respectively in contact with two sides of the second protruding block.

8. A two-track sliding door according to claim 7, characterized in that The second protruding block is two, one side of the upper door frame close to the door leaf frame body is further provided with an anti-theft block between the two second protruding blocks, and the second protruding block is in contact with the door leaf frame body.

9. A two-track sliding door according to claim 5, characterized in that The third protrusion is arranged on one side of the longitudinal door frame close to the door leaf frame body, one side of the third protrusion is provided with a frame rubber strip, the frame rubber strip is used for being in contact with the door leaf frame body, and two fan rubber strips are arranged on one side of the door leaf frame body close to the third protrusion, and the two fan rubber strips are used for being in contact with two sides of the third protrusion respectively.

10. A two-track sliding door according to claim 1, characterized in that The glass in the door leaf assembly is hollow glass, and the material of the door frame is broken bridge aluminum profile.