Sliding door

By setting specially designed mounting slots and corner bracket components on the frame of the sliding door, the problem of unstable frame connection is solved, achieving higher stability and sealing performance, and enhancing the decorative effect.

CN223794084UActive Publication Date: 2026-01-13SHENZHEN QIRUI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520208529.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-13
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing sliding door has poor connection stability between the two frames, which cannot meet user needs.

Method used

By setting specially designed mounting slots and corner bracket components on the frame of the sliding door, the stress point of the frame connection is ensured to be located in the middle position, and corner brackets are inserted into these slots to enhance the connection strength and stability.

Benefits of technology

It improves the stability of the sliding door frame connection, prevents deformation or damage, and enhances sealing and decoration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sliding door and relates to the technical field of sliding doors, the sliding door comprises a door frame, a first frame and a second frame, the first frame is provided with a first mounting groove and a second mounting groove which are communicated with each other, and the second frame is provided with a third mounting groove and a fourth mounting groove which are communicated with each other; the corner connector assembly comprises a first corner connector piece and a second corner connector piece, and the first frame and the second frame are spliced through the corner connector assembly; wherein the first direction is intersected with the second direction; the technical scheme provided by the utility model has the technical effects that the first corner brace piece and the second corner brace piece are respectively and correspondingly inserted into the first mounting groove, the third mounting groove, the second mounting groove and the fourth mounting groove, so that the first corner brace piece and the second corner brace piece are respectively positioned in the first frame and the second frame; and the connection strength of the first frame and the second frame is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of sliding door technology, and in particular to a sliding door. Background Technology

[0002] Sliding doors, as a common door structure, are widely used and popular in residential buildings and various office spaces. These doors open and close by sliding the frame, offering good sound insulation, efficient space saving, and high decorative appeal. However, existing sliding doors suffer from poor stability in the connection between the two frame panels, failing to meet user needs. Utility Model Content

[0003] The main purpose of this invention is to propose a sliding door that aims to improve the connection stability between two adjacent frame frames.

[0004] To achieve the above objectives, the present invention proposes a sliding door, comprising a door frame, including a first side frame and a second side frame. The first side frame has a first mounting groove and a second mounting groove that are interconnected and arranged along a first direction. The first mounting groove and the second mounting groove are located at the middle of the first side frame along a second direction. The second side frame has a third mounting groove and a fourth mounting groove that are interconnected and arranged along the second direction. The third mounting groove and the fourth mounting groove are located at the middle of the second side frame along the first direction. A corner bracket assembly includes a first corner bracket and a second corner bracket. One end of the first corner bracket is inserted into the first mounting groove of the first side frame, and the other end of the first corner bracket is inserted into the third mounting groove of the second side frame. One end of the second corner bracket is inserted into the second mounting groove of the first side frame, and the other end of the second corner bracket is inserted into the fourth mounting groove of the second side frame. The first side frame and the second side frame are joined together by the corner bracket assembly. The first direction and the second direction intersect.

[0005] In one embodiment, in the second direction, the length of the second mounting groove is greater than the length of the first mounting groove, and in the third direction, the width of the first mounting groove is greater than the width of the second mounting groove; in the first direction, the length of the fourth mounting groove is greater than the length of the third mounting groove, and in the third direction, the width of the third mounting groove is greater than the width of the fourth mounting groove, wherein the first direction, the second direction, and the third direction intersect each other.

[0006] In one embodiment, the first corner code includes a first plug-in portion and a second plug-in portion connected to each other, the first plug-in portion and the second plug-in portion being arranged at an angle; and / or, the second corner code includes a third plug-in portion and a fourth plug-in portion connected to each other, the third plug-in portion and the fourth plug-in portion being arranged at an angle.

[0007] In one embodiment, both the outer wall of the first plug portion and the outer wall of the second plug portion are provided with a plurality of protrusions, and the plurality of protrusions are respectively arranged at intervals along the extension direction of the first plug portion or the second plug portion.

[0008] In one embodiment, the third insertion portion is provided with a first abutting portion and a second abutting portion at intervals, the first abutting portion and the second abutting portion respectively abutting against the inner sidewall of the second mounting groove, and the fourth insertion portion is provided with a third abutting portion and a fourth abutting portion at intervals, the third abutting portion and the fourth abutting portion respectively abutting against the inner sidewall of the fourth mounting groove.

[0009] In one embodiment, the first plug portion is connected to the side of the third plug portion near the first abutment portion, and the second plug portion is connected to the side of the fourth plug portion near the third abutment portion.

[0010] In one embodiment, the sliding door further includes a mounting member and a sealing plate. The door frame has notches at both ends along the second direction. The mounting member is mounted on the notches, and the sealing plate is disposed on the mounting member. The mounting member is used to seal the notches.

[0011] In one embodiment, the mounting component has a mounting portion and a fifth insertion portion. The fifth insertion portion is inserted into the notch. The mounting portion is connected to the door frame. The mounting portion has connecting portions on opposite sides. The sealing plate has fifth mounting grooves on opposite sides that mate with the connecting portions. The connecting portions are inserted into the fifth mounting grooves so that the sealing plate is mounted on the mounting component.

[0012] In one embodiment, the sliding door further includes a first corner piece and a second corner piece. The first frame has a first slot disposed opposite to the first frame in a third direction, and the second frame has a second slot disposed opposite to the second frame in a third direction. One end of the first corner piece is inserted into the first slot of the first frame, and the other end of the first corner piece is inserted into the second slot of the second frame. One end of the second corner piece is inserted into the first slot of the first frame, and the other end of the second corner piece is inserted into the second slot of the second frame.

[0013] In one embodiment, the sliding door further includes a frame, with slide rails on opposite sides of the frame, and slide grooves on opposite sides of the door frame that are adapted to the slide rails. The slide rails are slidably disposed in the slide grooves so that the door frame is slidably disposed on the frame.

[0014] The technical solution of this utility model employs a first mounting groove and a second mounting groove respectively located at the middle of the first frame along the second direction, and a third mounting groove and a fourth mounting groove respectively located at the middle of the second frame along the first direction. This ensures that the stress point of the connection between the first frame and the second frame is located at the middle of the first frame and the second frame, thereby making the stress on the first frame and the second frame more central and improving the stability of the connection between the first frame and the second frame. The first corner bracket and the second corner bracket are respectively inserted into the first mounting groove, the third mounting groove, the second mounting groove, and the fourth mounting groove, so that the first corner bracket and the second corner bracket are located within the first frame and the second frame, thereby ensuring the strength of the connection between the first frame and the second frame. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of a sliding door embodiment provided by this utility model;

[0017] Figure 2 A schematic diagram of the structure of the first frame, the second frame, the first corner bracket, and the second corner bracket in one embodiment of the sliding door provided by this utility model;

[0018] Figure 3 A schematic diagram of another embodiment of the sliding door provided by this utility model;

[0019] Figure 4 This is a schematic diagram of the corner bracket assembly in one embodiment of the sliding door provided by this utility model;

[0020] Figure 5 A schematic diagram of the mounting components and sealing plate in one embodiment of the sliding door provided by this utility model;

[0021] Figure 6 A schematic diagram of the frame structure in one embodiment of the sliding door provided by this utility model.

[0022] Explanation of icon numbers:

[0023] 1. Door frame; 11. First side frame; 111. First mounting groove; 112. Second mounting groove; 113. First slot; 12. Second side frame; 121. Third mounting groove; 122. Fourth mounting groove; 123. Second slot; 13. Notch; 14. Slide rail; 2. Corner bracket assembly; 21. First corner bracket; 211. First insertion part; 2111. Protrusion; 212. Second insertion part; 22. Second corner bracket; 221. Third insertion part; 2211. First abutment part; 2212. Second abutment part; 222. Fourth insertion part; 2221. Third abutment part; 2222. Fourth abutment part; 3. Mounting component; 31. Mounting part; 32. Fifth insertion part; 33. Connecting part; 4. Sealing plate; 41. Fifth mounting groove; 5. First corner piece; 51. Second corner piece; 6. Frame; 61. Slide rail.

[0024] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0026] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0027] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] This utility model proposes a sliding door.

[0029] Please see Figure 1 and Figure 2 In one embodiment of this utility model, the sliding door includes a door frame 1 and a corner bracket assembly 2; the door frame 1 includes a first side frame 11 and a second side frame 12, the first side frame 11 having a first mounting groove 111 and a second mounting groove 112 that are interconnected, the first mounting groove 111 and the second mounting groove 112 being arranged along a first direction, the first mounting groove 111 and the second mounting groove 112 being located at the middle of the first side frame 11 along a second direction, the second side frame 12 having a third mounting groove 121 and a fourth mounting groove 122 that are interconnected, the third mounting groove 121 and the fourth mounting groove 122 being arranged along the second direction, the third mounting groove 121 and the fourth mounting groove 122 being ... The mounting slot 122 is located in the middle of the second frame 12 along the first direction; the corner code assembly 2 includes a first corner code 21 and a second corner code 22. One end of the first corner code 21 is inserted into the first mounting slot 111 of the first frame 11, and the other end of the first corner code 21 is inserted into the third mounting slot 121 of the second frame 12. One end of the second corner code 22 is inserted into the second mounting slot 112 of the first frame 11, and the other end of the second corner code 22 is inserted into the fourth mounting slot 122 of the second frame 12. The first frame 11 and the second frame 12 are spliced ​​together by the corner code assembly 2; wherein, the first direction and the second direction intersect.

[0030] The technical solution of this utility model employs a first mounting groove 111 and a second mounting groove 112 respectively located at the middle of the first frame 11 along the second direction, and a third mounting groove 121 and a fourth mounting groove 122 respectively located at the middle of the second frame 12 along the first direction. This ensures that the stress point of the connection between the first frame 11 and the second frame 12 is located at the middle of the first frame 11 and the second frame 12, thereby making the stress on the first frame 11 and the second frame 12 more central and improving the stability of the connection between the first frame 11 and the second frame 12. The first corner bracket 21 and the second corner bracket 22 are respectively inserted into the first mounting groove 111, the third mounting groove 121, the second mounting groove 112 and the fourth mounting groove 122, so that the first corner bracket 21 and the second corner bracket 22 are located within the first frame 11 and the second frame 12, thereby ensuring the strength of the connection between the first frame 11 and the second frame 12.

[0031] In this embodiment, the door frame 1 may include a first frame 11 and a second frame 12. The first frame 11 may have a first mounting groove 111 and a second mounting groove 112 that are interconnected at the middle position along the second direction. The second frame 12 may have a third mounting groove 121 and a fourth mounting groove 122 that are interconnected at the middle position along the first direction. This ensures that the stress points connecting the first frame 11 and the second frame 12 are all located at the middle positions of the first frame 11 and the second frame 12, thereby making the stress on the first frame 11 and the second frame 12 more central and preventing deformation or damage to the first frame 11 or the second frame 12 due to uneven stress. The first corner bracket 21 and the second corner bracket 22 may be interconnected, the first mounting groove 111 and the second mounting groove 112 may be interconnected, and the third mounting groove 121 and the fourth mounting groove 122 may be interconnected, thus facilitating the assembly of the first frame 11 and the second frame 12 using the corner bracket assembly 2. One end of the first corner bracket 21 and the second corner bracket 22 are respectively inserted into the first mounting groove 111 and the second mounting groove 112, and the other end of the first corner bracket 21 and the second corner bracket 22 are respectively inserted into the third mounting groove 121 and the fourth mounting groove 122, thereby improving the stability of the first frame 11 and the second frame 12 spliced ​​by the corner bracket assembly 2. The first frame 11 may have a first connecting bevel at both ends along the first direction, and the second frame 12 may have a second connecting bevel at both ends along the second direction. The first connecting bevel and the second connecting bevel can be spliced ​​by sealant, thereby improving the sealing performance of the connection between the first frame 11 and the second frame 12. The door frame 1 may include a first frame 11 arranged opposite to each other along the second direction, and the door frame 1 may also include a second frame 12 arranged opposite to each other along the first direction. The two first frames 11 and the two second frames 12 are respectively spliced ​​with the corner bracket assembly 2 to form the door frame 1, thereby improving the structural stability of the door frame 1.

[0032] like Figure 1 and Figure 2 As shown, in the second direction, the length of the second mounting groove 112 is greater than the length of the first mounting groove 111, and in the third direction, the width of the first mounting groove 111 is greater than the width of the second mounting groove 112; in the first direction, the length of the fourth mounting groove 122 is greater than the length of the third mounting groove 121, and in the third direction, the width of the third mounting groove 121 is greater than the width of the fourth mounting groove 122, wherein the first direction, the second direction, and the third direction intersect each other.

[0033] In this embodiment, by defining the width and length characteristics of the first mounting groove 111 and the second mounting groove 112, the first mounting groove 111 and the second mounting groove 112 are formed with an L-shaped cross section along the second direction, thereby making the openings of the first mounting groove 111 and the second mounting groove 112 fit the shape of the first corner code 21 and the second corner code 22 more closely, thereby improving the stability of the connection between the first frame 11 and the second frame 12 through the corner code assembly 2.

[0034] In this embodiment, by defining the width and length characteristics of the third mounting groove 121 and the fourth mounting groove 122, the third mounting groove 121 and the fourth mounting groove 122 are formed with an L-shaped cross section along the first direction, thereby making the groove openings of the third mounting groove 121 and the fourth mounting groove 122 fit the shape of the first corner code member 21 and the second corner code member 22 more closely, thereby improving the stability of the connection between the first frame 11 and the second frame 12 through the corner code assembly 2.

[0035] like Figure 4 As shown, the first corner code member 21 includes a first plug-in portion 211 and a second plug-in portion 212 connected to each other, the first plug-in portion 211 and the second plug-in portion 212 being arranged at an angle; and / or, the second corner code member 22 includes a third plug-in portion 221 and a fourth plug-in portion 222 connected to each other, the third plug-in portion 221 and the fourth plug-in portion 222 being arranged at an angle.

[0036] In this embodiment, the first corner bracket 21 includes a first plug-in portion 211 and a second plug-in portion 212 that are connected to each other. The first plug-in portion 211 and the second plug-in portion 212 are set at an angle, which can be set to 90 degrees to fit the connection method in which the first frame 11 and the second frame 12 are connected to each other and set vertically. This makes it easier for the first plug-in portion 211 to be inserted into the first mounting slot 111 or the third mounting slot 121, and makes it easier for the second plug-in portion 212 to be inserted into the third mounting slot 121 or the first mounting slot 111.

[0037] In this embodiment, the second corner bracket 22 includes a third plug-in portion 221 and a fourth plug-in portion 222 that are connected to each other. The third plug-in portion 221 and the fourth plug-in portion 222 are set at an angle, which can be set to 90 degrees to fit the connection method in which the first frame 11 and the second frame 12 are connected to each other and set vertically. This makes it easier for the third plug-in portion 221 to be inserted into the second mounting slot 112 or the fourth mounting slot 122, and makes it easier for the fourth plug-in portion 222 to be inserted into the fourth mounting slot 122 or the second mounting slot 112.

[0038] like Figure 4As shown, the outer side wall of the first plug-in portion 211 and the outer side wall of the second plug-in portion 212 are provided with a plurality of protrusions 2111, and the plurality of protrusions 2111 are respectively arranged at intervals along the extension direction of the first plug-in portion 211 or the second plug-in portion 212.

[0039] In this embodiment, when the first insertion part 211 is inserted into the first mounting groove 111, the plurality of protrusions 2111 on the first insertion part 211 can abut against the inner sidewall of the first mounting groove 111, thereby improving the connection stability between the first insertion part 211 and the first mounting groove 111. To further improve the connection stability between the first insertion part 211 and the first mounting groove 111, the plurality of protrusions 2111 can be respectively provided on the outer sidewall of the first insertion part 211 along the second direction.

[0040] In this embodiment, when the second insertion part 212 is inserted into the third mounting groove 121, the plurality of protrusions 2111 on the second insertion part 212 can abut against the inner sidewall of the third mounting groove 121, thereby improving the connection stability between the second insertion part 212 and the third mounting groove 121. To further improve the connection stability between the second insertion part 212 and the third mounting groove 121, the plurality of protrusions 2111 can be respectively provided on the outer sidewall of the second insertion part 212 along the second direction.

[0041] like Figure 3 and Figure 4 As shown, the third insertion portion 221 is provided with a first abutting portion 2211 and a second abutting portion 2212 at intervals. The first abutting portion 2211 and the second abutting portion 2212 abut against the inner sidewall of the second mounting groove 112, respectively. The fourth insertion portion 222 is provided with a third abutting portion 2221 and a fourth abutting portion 2222 at intervals. The third abutting portion 2221 and the fourth abutting portion 2222 abut against the inner sidewall of the fourth mounting groove 122, respectively.

[0042] In this embodiment, when the third plug-in portion 221 is inserted into the second mounting groove 112, the first abutting portion 2211 and the second abutting portion 2212 on the third plug-in portion 221 can abut against the inner sidewall of the second mounting groove 112, thereby improving the connection stability between the third plug-in portion 221 and the second mounting groove 112.

[0043] In this embodiment, when the fourth plug-in portion 222 is inserted into the fourth mounting groove 122, the third abutting portion 2221 and the fourth abutting portion 2222 on the fourth plug-in portion 222 can abut against the inner sidewall of the fourth mounting groove 122, thereby improving the connection stability between the fourth plug-in portion 222 and the fourth mounting groove 122.

[0044] like Figure 4As shown, the first plug-in portion 211 is connected to the side of the third plug-in portion 221 near the first abutting portion 2211, and the second plug-in portion 212 is connected to the side of the fourth plug-in portion 222 near the third abutting portion 2221.

[0045] In this embodiment, since the first mounting slot 111 and the second mounting slot 112 are interconnected, by using the first insertion part 211 connected to the side of the third insertion part 221 near the first abutment part 2211, the third insertion part 221 is simultaneously inserted into the second mounting slot 112 while the first insertion part 211 is inserted into the first mounting slot 111. This facilitates the connection of the first corner bracket 21 and the second corner bracket 22 to the first frame 11 and the second frame 12, respectively. Since the third mounting slot 121 and the fourth mounting slot 122 are interconnected, by using the second insertion part 212 connected to the side of the fourth insertion part 222 near the third abutment part 2221, the fourth insertion part 222 is simultaneously inserted into the fourth mounting slot 122 while the second insertion part 212 is inserted into the third mounting slot 121. This facilitates the connection of the first corner bracket 21 and the second corner bracket 22 to the first frame 11 and the second frame 12, respectively.

[0046] like Figure 5 As shown, the sliding door also includes a mounting component 3 and a sealing plate 4. The door frame 1 has notches 13 at both ends along the second direction. The mounting component 3 is installed on the notches 13, and the sealing plate 4 is disposed on the mounting component 3. The mounting component 3 is used to seal the notches 13.

[0047] In this embodiment, the notch 13 can be located at the joint of the first frame 11 and the second frame 12. By using the mounting piece 3 to install on the notch 13, the airtightness of the door frame 1 is improved. By using the sealing plate 4 on the side of the mounting bracket away from the second frame 12, the sealing plate 4 can be used to cover the connecting screws between the mounting piece 3 and the second frame 12, as well as the mounting piece 3, thereby improving the decorative appearance of the door frame 1.

[0048] like Figure 5 As shown, the mounting component 3 is provided with a mounting part 31 and a fifth insertion part 32. The fifth insertion part 32 is inserted into the notch 13. The mounting part 31 is connected to the door frame 1. The mounting part 31 has connecting parts 33 on opposite sides. The sealing plate 4 has fifth mounting grooves 41 on opposite sides that cooperate with the connecting parts 33. The connecting parts 33 are inserted into the fifth mounting grooves 41 so that the sealing plate 4 is installed on the mounting component 3.

[0049] In this embodiment, to improve the stability of the mounting member 3 inserted into the notch 13, the mounting member 3 is inserted into the notch 13 via the fifth insertion part 32. To improve the stability of the connection between the mounting member 3 and the door frame 1, the mounting part 31 is connected to the door frame 1 via fasteners, such as bolts, screws, and screws. By using the connecting part 33 on the mounting part 31 to be inserted into the fifth mounting groove 41 on the sealing plate 4, the stability of the connection between the mounting member 3 and the sealing plate 4 is improved, and it is also more convenient to install the sealing plate 4 on the mounting member 3.

[0050] like Figures 1 to 3 As shown, the sliding door also includes a first corner piece 5 and a second corner piece 51. The first frame 11 has a first slot 113 arranged opposite to each other along the third direction, and the second frame 12 has a second slot 123 arranged opposite to each other along the third direction. One end of the first corner piece 5 is inserted into the first slot 113 of the first frame 11, and the other end of the first corner piece 5 is inserted into the second slot 123 of the second frame 12. One end of the second corner piece 51 is inserted into the first slot 113 of the first frame 11, and the other end of the second corner piece 51 is inserted into the second slot 123 of the second frame 12.

[0051] In this embodiment, the stability of the connection between the first frame 11 and the second frame 12 is further improved by splicing the first corner piece 5, the second corner piece 51, and the corner bracket assembly 2. The first slot 113 is arranged along a first direction so that the arrangement direction of the first slot 113 is adapted to the arrangement direction of the first mounting slot 111 and the second mounting slot 112, thereby facilitating the installation of the first corner piece 5 within the first frame 11 and the second frame 12. The second slot 123 is arranged along a second direction so that the arrangement direction of the second slot 123 is adapted to the arrangement direction of the third mounting slot 121 and the fourth mounting slot 122, thereby facilitating the installation of the second corner piece 51 within the first frame 11 and the second frame 12.

[0052] like Figure 6 As shown, the sliding door also includes a frame 6, with slide rails 61 on opposite sides of the frame 6, and slide grooves 14 on opposite sides of the door frame 1 that are adapted to the slide rails 61. The slide rails 61 are slidably disposed in the slide grooves 14 so that the door frame 1 is slidably disposed on the frame 6.

[0053] In this embodiment, to improve the stability of the door frame 1 sliding on the frame 6, a sliding groove 14 on the door frame 1 is used to slide in conjunction with a slide rail 61 on the frame 6. Two slide rails 61 can be provided on the same side of the frame 6, and the two slide rails 61 are spaced apart along a third direction. The two door frames 1 slide in conjunction with the two slide rails 61 one-to-one, thereby making it easier for the two door frames 1 to be slidably mounted on the frame 6.

[0054] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A sliding door, characterized in that, include: A door frame includes a first side frame and a second side frame. The first side frame has a first mounting groove and a second mounting groove that are interconnected. The first mounting groove and the second mounting groove are arranged along a first direction. The first mounting groove and the second mounting groove are located in the middle of the first side frame along a second direction. The second side frame has a third mounting groove and a fourth mounting groove that are interconnected. The third mounting groove and the fourth mounting groove are arranged along the second direction. The third mounting groove and the fourth mounting groove are located in the middle of the second side frame along the first direction. The corner code assembly includes a first corner code component and a second corner code component. One end of the first corner code component is inserted into a first mounting slot of the first frame, and the other end of the first corner code component is inserted into a third mounting slot of the second frame. One end of the second corner code component is inserted into a second mounting slot of the first frame, and the other end of the second corner code component is inserted into a fourth mounting slot of the second frame. The first frame and the second frame are spliced ​​together by the corner code assembly. The first direction and the second direction intersect.

2. The sliding door as described in claim 1, characterized in that, In the second direction, the length of the second mounting groove is greater than the length of the first mounting groove, and in the third direction, the width of the first mounting groove is greater than the width of the second mounting groove. In the first direction, the length of the fourth mounting groove is greater than the length of the third mounting groove, and in the third direction, the width of the third mounting groove is greater than the width of the fourth mounting groove, wherein the first direction, the second direction, and the third direction intersect each other.

3. The sliding door as described in claim 2, characterized in that, The first corner code includes a first plug-in portion and a second plug-in portion connected to each other, the first plug-in portion and the second plug-in portion being arranged at an angle; and / or, the second corner code includes a third plug-in portion and a fourth plug-in portion connected to each other, the third plug-in portion and the fourth plug-in portion being arranged at an angle.

4. The sliding door as described in claim 3, characterized in that, Both the outer wall of the first plug portion and the outer wall of the second plug portion are provided with a plurality of protrusions, and the plurality of protrusions are respectively arranged at intervals along the extension direction of the first plug portion or the second plug portion.

5. The sliding door as described in claim 3, characterized in that, The third insertion portion is provided with a first abutting portion and a second abutting portion at intervals, the first abutting portion and the second abutting portion respectively abutting against the inner sidewall of the second mounting groove; the fourth insertion portion is provided with a third abutting portion and a fourth abutting portion at intervals, the third abutting portion and the fourth abutting portion respectively abutting against the inner sidewall of the fourth mounting groove.

6. The sliding door as described in claim 5, characterized in that, The first plug portion is connected to the side of the third plug portion near the first abutment portion, and the second plug portion is connected to the side of the fourth plug portion near the third abutment portion.

7. The sliding door as described in claim 2, characterized in that, The sliding door also includes a mounting component and a sealing plate. The door frame has notches at both ends along the second direction. The mounting component is installed in the notches, and the sealing plate is disposed on the mounting component. The mounting component is used to seal the notches.

8. The sliding door as described in claim 7, characterized in that, The mounting component has a mounting part and a fifth insertion part. The fifth insertion part is inserted into the notch. The mounting part is connected to the door frame. The mounting part has connecting parts on opposite sides. The sealing plate has fifth mounting grooves on opposite sides that mate with the connecting parts. The connecting parts are inserted into the fifth mounting grooves so that the sealing plate is mounted on the mounting component.

9. The sliding door as described in claim 2, characterized in that, The sliding door further includes a first corner piece and a second corner piece. The first frame has a first slot arranged opposite to each other along the third direction, and the second frame has a second slot arranged opposite to each other along the third direction. One end of the first corner piece is inserted into the first slot of the first frame, and the other end of the first corner piece is inserted into the second slot of the second frame. One end of the second corner piece is inserted into the first slot of the first frame, and the other end of the second corner piece is inserted into the second slot of the second frame.

10. The sliding door as described in any one of claims 1 to 9, characterized in that, The sliding door also includes a frame, with slide rails on opposite sides of the frame and grooves on opposite sides of the door frame that are adapted to the slide rails. The slide rails are slidably disposed in the grooves so that the door frame is slidably disposed on the frame.