Buckle structure of a swing door

CN224717605UActive Publication Date: 2026-09-04ZHEJIANG QINYUAN WATER TREATMENT S T
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Patent Information

Application Number
CN202521525796.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-21
Publication Date
2026-09-04
Estimated Expiration
2035-07-21

AI Technical Summary

Technical Problem

[0002]市面上的开合门卡扣多为薄壁的平板卡扣或插片式卡扣,且其扣面多为平直形状,此类卡扣容易出现卡扣变形,导致门板与主体之间开合不可靠、手感差的问题,并且由于卡扣强度较差也会出现断裂的情况,导致开合门失效

Benefits of technology

[0024]Because this utility model employs the aforementioned technology, it has the following positive effects compared to existing technologies:

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Abstract

The utility model discloses a buckle structure of open and close door, including mutual rotation connection's main part and door panel, and the main part with door panel between through at least one lock catch subassembly lock catch connection, first lock catch subassembly includes: first buckle piece and first card slot piece, first buckle piece's lock catch end both sides all have first arc convex, first card slot piece on have intercommunication's first spigot and two first slot, first buckle piece's lock catch end passes through first spigot, and two first arc convex respectively with two first slot limit cooperation. The utility model discloses be provided with first arc convex on both sides of same first buckle piece, and two first arc convex respectively with two first slot limit cooperation, can prevent door panel when open and close state and incline, in the process of opening and closing, and the hand feeling is smooth and not easy to damage.
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Description

Technical Field

[0001] This utility model relates to the technical field of opening and closing doors, and in particular to a latching structure for opening and closing doors. Background Technology

[0002] Most door latches on the market are thin-walled flat latches or insert-type latches, and their latch surfaces are mostly flat. These latches are prone to deformation, which leads to unreliable opening and closing between the door panel and the main body and poor feel. In addition, due to the poor strength of the latches, they may also break, causing the door to fail. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a buckle structure for opening and closing doors, wherein a first arc-shaped protrusion is provided on both sides of the same first buckle member, and the two first arc-shaped protrusions are respectively matched with two first slots for limiting, which can prevent the door panel from tilting when it is open or closed, and the opening and closing process is smooth and not easily damaged.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A latching structure for an opening and closing door, comprising a main body and a door panel rotatably connected to each other, wherein the main body and the door panel are latched together by at least one latching assembly;

[0006] The first locking assembly includes a first latching member and a first locking groove member. The latching end of the first latching member has a first arc-shaped protrusion on both sides. The first locking groove member has a first insertion port and two first slots that are interconnected. The latching end of the first latching member passes through the first insertion port, and the two first arc-shaped protrusions are respectively limited and engaged with the two first slots.

[0007] In the aforementioned latching structure of the opening and closing door, the two first arc-shaped protrusions are symmetrically arranged on the first latching member;

[0008] The two first arc-shaped protrusions are distributed along the first direction, and the two first slots are connected along the first direction;

[0009] When the main body is closed with the door panel, the first buckle and the first slot are engaged in a limiting fit along the first direction.

[0010] In the aforementioned latching structure of the opening and closing door, when a first latching assembly is provided, the first latching assembly is located in the middle of the main body or the door panel;

[0011] When multiple first locking components are provided, the multiple first locking components are distributed along the first direction.

[0012] In the aforementioned latching structure of the opening and closing door, at least two second latching components are provided between the periphery of the main body and the periphery of the door panel;

[0013] Multiple second locking components are symmetrically located on both sides of the first locking component.

[0014] The latching structure of the aforementioned door includes, in which each of the second latching components comprises: a second latching member and a second latching groove member. One side of the latching end of the second latching member has a second arc-shaped protrusion, and the second arc-shaped protrusion faces the first latching component. The second latching groove member has a second insertion port and a second slot that are interconnected. The latching end of the second latching member passes through the second insertion port, and the second arc-shaped protrusion is limited and engaged with the second slot.

[0015] When the main body is closed with the door panel, the second fastener and the second slot are engaged in a limiting fit along the first direction.

[0016] In the aforementioned latching structure of the opening and closing door, the outer side of the door panel is provided with an outer edge, and the main body is provided with a retaining edge on one side of the first latching assembly;

[0017] When the door panel is closed with the main body, the retaining flange abuts against the inner side of the outer edge.

[0018] The aforementioned latching structure for the opening and closing door includes a flange comprising a flange body and two flange segments. The flange body is arranged along the first direction, and the two flange segments are respectively located at both ends of the flange body. The flange body is limited to the outer edge along the second direction, and the flange segments are limited to the outer edge along the first direction.

[0019] The second direction is perpendicular to the first direction.

[0020] In the aforementioned latching structure of the opening and closing door, at least one stop is provided on the door panel, and a channel is formed between the stop and the inner side of the outer edge, with a portion of the main body of the stop being confined within the channel.

[0021] In the aforementioned latching structure of the opening and closing door, at least one baffle is provided on the rotating side of the main body;

[0022] When the door panel is closed with the main body, the baffle and the inner wall of the outer edge near the rotating side are limited and engaged in the second direction.

[0023] In the aforementioned latching structure of the opening and closing door, one side of the main body and one side of the door panel are rotatably connected via a pivot.

[0024] Because this utility model employs the aforementioned technology, it has the following positive effects compared to existing technologies:

[0025] (1) The present invention provides first arc-shaped protrusions on both sides of the same first buckle, and the two first arc-shaped protrusions are respectively matched with the two first slots to limit the door panel to prevent it from tilting when it is open and closed, and it is smooth and not easily damaged during the opening and closing process.

[0026] (2) The second arc-shaped protrusions on the multiple second buckle components of this utility model are all facing the first buckle assembly. During the opening and closing of the door panel and the main body, the distance between the two sides of the door panel is brought closer and the buckles on both sides of the main body are tightened, resulting in a strong buckling force, preventing the door panel from loosening and coming off. In addition, the cooperation of multiple lock components improves the overall buckling strength, and the opening and closing process is smooth and not easily damaged.

[0027] (3) The surfaces of the first and second arc protrusions of this utility model are both arc-shaped, providing a smooth feel during the opening and closing process.

[0028] (4) The present invention is equipped with mutually cooperating outer edges, flanges, blocks and baffles, which have high stability when the door panel is closed with the main body, and prevent the door panel from shaking and causing damage to the shaft. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the snap-fit ​​structure of the opening and closing door of this utility model in the open and closed state.

[0030] Figure 2 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 1 Enlarged view of a portion of the image.

[0031] Figure 3 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 1 Enlarged view of a portion of the image.

[0032] Figure 4 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 1 Enlarged view of a portion of the image.

[0033] Figure 5 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 1 Enlarged view of a portion of the image.

[0034] Figure 6 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 1 Enlarged view of a portion of the image.

[0035] Figure 7 This is a front view of the latch structure of the opening and closing door of this utility model.

[0036] Figure 8This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 7 Enlarged view of a portion of the image.

[0037] Figure 9 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 7 Enlarged view of a portion of the image.

[0038] Figure 10 This is a side view of the latch structure of the opening and closing door of this utility model in the open and closed state.

[0039] Figure 11 This utility model relates to a snap-fit ​​structure for opening and closing doors. Figure 10 Enlarged view of a portion of the image.

[0040] In the attached diagram: 1. Main body; 2. Door panel; 3. First latch assembly; 4. Second latch assembly; 31. First fastener; 32. First slot; 33. First arc-shaped protrusion; 34. First insertion port; 35. First groove; 41. Second fastener; 42. Second slot; 43. Second arc-shaped protrusion; 44. Second insertion port; 45. Second groove; 51. Outer edge; 52. Flange; 53. Flange main body; 54. Flange split body; 55. Stop block; 56. Channel; 57. Baffle. Detailed Implementation

[0041] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0042] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "back", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0043] It should be noted that the terms "horizontal" and "vertical" in this utility model are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".

[0044] It should be noted that, unless otherwise specified, this utility model can be used at the angle shown in the accompanying drawings or at other angles.

[0045] Please see Figures 1 to 11As shown, a preferred embodiment of the latching structure of an opening and closing door is illustrated, including a main body 1 and a door panel 2 that are rotatably connected to each other, and the main body 1 and the door panel 2 are latched together by at least one latching assembly 3.

[0046] Furthermore, in a preferred embodiment, the first locking assembly 3 includes: a first latching member 31 and a first locking groove member 32. The latching end of the first latching member 31 has a first arc-shaped protrusion 33 on both sides. The first locking groove member 32 has a first insertion port 34 and two first slots 35 that are interconnected. The latching end of the first latching member 31 passes through the first insertion port 34, and the two first arc-shaped protrusions 33 are respectively matched with the two first slots 35 for limiting.

[0047] Furthermore, when the first fastener 31 is provided on the main body 1, the first slot 32 is provided on the door panel 2; or, when the first fastener 31 is provided on the door panel 2, the first slot 32 is provided on the main body 1.

[0048] Furthermore, in a preferred embodiment, the two first arc-shaped protrusions 33 are symmetrically arranged on the first fastener 31.

[0049] Furthermore, in a preferred embodiment, the two first arc-shaped protrusions 33 are distributed along the first direction, and the two first slots 35 are connected along the first direction.

[0050] The rotating part and the first locking assembly 3 are distributed along the second direction.

[0051] Furthermore, the first direction is perpendicular to the second direction.

[0052] Furthermore, as a preferred embodiment, when the main body 1 is closed with the door panel 2, the first fastener 31 and the first slot 32 are engaged in a limiting cooperation along the first direction.

[0053] Furthermore, as a preferred embodiment, when a first latching assembly 3 is provided, the first latching assembly 3 is located in the middle of the main body 1 or the door panel 2.

[0054] Furthermore, as a preferred embodiment, when multiple first locking components 3 are provided, the multiple first locking components 3 are distributed at equal intervals along the first direction.

[0055] Furthermore, as a preferred embodiment, at least two second latching assemblies 4 are provided between the periphery of the main body 1 and the periphery of the door panel 2.

[0056] Furthermore, in a preferred embodiment, a plurality of second locking components 4 are symmetrically located on both sides of the first locking component 3.

[0057] Furthermore, in a preferred embodiment, each second locking assembly 4 includes: a second latching member 41 and a second latching groove member 42. One side of the latching end of the second latching member 41 has a second arc-shaped protrusion 43, and the second arc-shaped protrusion 43 faces the first locking assembly 3. The second latching groove member 42 has a second insertion port 44 and a second slot 45 that are interconnected. The latching end of the second latching member 41 passes through the second insertion port 44, and the second arc-shaped protrusion 43 is engaged with the second slot 45 for limiting.

[0058] Furthermore, as a preferred embodiment, when the main body 1 is closed with the door panel 2, the second fastener 41 and the second slot 42 are engaged in a limiting fit along the first direction.

[0059] Furthermore, when the second fastener 41 is provided on the main body 1, the second slot 42 is provided on the door panel 2; or, when the second fastener 41 is provided on the door panel 2, the second slot 42 is provided on the main body 1.

[0060] Furthermore, the end face of the first fastener 31 is also provided with a first arc-shaped protrusion 33, which has a guiding function when inserted into the first socket 34; the end face of the second fastener 41 is also provided with a second arc-shaped protrusion 43, which has a guiding function when inserted into the second socket 44.

[0061] This utility model provides first arc-shaped protrusions 33 on both sides of the same first buckle 31, and the two first arc-shaped protrusions 33 respectively cooperate with the two first slots 35 to limit the door panel 2 when it is open or closed, so that it is smooth and not easily damaged during the opening and closing process.

[0062] The second arc-shaped protrusions 43 on the multiple second buckle members 41 of this utility model are all facing the first locking assembly 3. During the opening and closing process of the door panel 2 and the main body 1, the distance between the two sides of the door panel 2 is brought closer and tightened with the buckles on both sides of the main body 1. The fastening force is strong, preventing the door panel 2 from loosening and coming off. In addition, the cooperation of multiple locking assemblies improves the overall buckling strength. The opening and closing process is smooth and not easily damaged.

[0063] The surfaces of the first arc-shaped protrusion 33 and the second arc-shaped protrusion 43 of this utility model are both arc-shaped, providing a smooth feel during the opening and closing process.

[0064] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model.

[0065] Based on the above, this utility model also has the following embodiments:

[0066] In a further embodiment of the present invention, the outer side of the door panel 2 is provided with an outer edge 51, and the main body 1 is provided with a retaining edge 52 on one side of the first latch assembly 3.

[0067] In a further embodiment of this utility model, when the door panel 2 is closed with the main body 1, the retaining flange 52 abuts against the inner side of the outer edge 51.

[0068] In a further embodiment of the present invention, the flange 52 includes a flange body 53 and two flange parts 54. The flange body 53 is arranged along a first direction, and the two flange parts 54 are respectively located at both ends of the flange body 53. The flange body 53 is limited to the outer edge 51 along a second direction, and the flange parts 54 are limited to the outer edge 51 along the first direction.

[0069] Furthermore, the flange body 53 and the flange body 54 are an integral structure.

[0070] In a further embodiment of the present invention, at least one stop 55 is provided on the door panel 2, and a channel 56 is formed between the stop 55 and the inner side of the outer edge 51, and part of the stop edge body 53 is confined within the channel 56.

[0071] In a further embodiment of this utility model, the main body 1 is provided with at least one baffle 57 on the rotating side.

[0072] In a further embodiment of this utility model, when the door panel 2 is closed with the main body 1, the baffle 5 and the inner wall of the outer edge 51 on the side near the rotation are limited and engaged in the second direction.

[0073] Preferably, one of the baffles 57 is L-shaped. When the door panel 2 is closed with the main body 1, one straight edge of the baffle 5 is limited and engaged with the inner wall of the outer edge 51 on the side close to the rotation in the second direction, and the other straight edge of the baffle 5 is limited and engaged with the inner wall of the outer edge 51 in the first direction.

[0074] In a further embodiment of this utility model, one side of the main body 1 is rotatably connected to one side of the door panel 2 via a pivot.

[0075] This utility model is equipped with an outer edge 51, a retaining edge 52, a stop block 55, and a baffle 57 that cooperate with each other, which provides high stability when the door panel 2 is closed with the main body 1 and prevents the door panel 2 from shaking and causing damage to the rotating shaft.

[0076] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A latching structure for an opening and closing door, characterized in that, It includes a main body and a door panel that are rotatably connected to each other, and the main body and the door panel are locked together by at least one locking assembly; The first locking assembly includes a first latching member and a first locking groove member. The latching end of the first latching member has a first arc-shaped protrusion on both sides. The first locking groove member has a first insertion port and two first slots that are interconnected. The latching end of the first latching member passes through the first insertion port, and the two first arc-shaped protrusions are respectively limited and engaged with the two first slots.

2. The snap-fit ​​structure of the opening and closing door according to claim 1, characterized in that, The two first arc-shaped protrusions are symmetrically arranged on the first fastener; The two first arc-shaped protrusions are distributed along the first direction, and the two first slots are connected along the first direction; When the main body is closed with the door panel, the first buckle and the first slot are engaged in a limiting fit along the first direction.

3. The snap-fit ​​structure of the opening and closing door according to claim 2, characterized in that, When a first latch assembly is provided, the first latch assembly is located in the middle of the main body or the door panel; When multiple first locking components are provided, the multiple first locking components are distributed along the first direction.

4. The snap-fit ​​structure of the opening and closing door according to claim 2, characterized in that, At least two second latch assemblies are provided between the periphery of the main body and the periphery of the door panel; Multiple second locking components are symmetrically located on both sides of the first locking component.

5. The snap-fit ​​structure of the opening and closing door according to claim 4, characterized in that, Each of the second latching components includes: a second latching member and a second latching groove member. One side of the latching end of the second latching member has a second arc-shaped protrusion, and the second arc-shaped protrusion faces the first latching component. The second latching groove member has a second insertion port and a second slot that are interconnected. The latching end of the second latching member passes through the second insertion port, and the second arc-shaped protrusion is limited and engaged with the second slot. When the main body is closed with the door panel, the second fastener and the second slot are engaged in a limiting fit along the first direction.

6. The snap-fit ​​structure for the opening and closing door according to claim 5, characterized in that, The outer side of the door panel is provided with an outer edge, and the main body is provided with a retaining edge on one side of the first latch assembly; When the door panel is closed with the main body, the retaining flange abuts against the inner side of the outer edge.

7. The snap-fit ​​structure for the opening and closing door according to claim 6, characterized in that, The flange includes a flange body and two flange segments. The flange body is disposed along the first direction, and the two flange segments are respectively located at both ends of the flange body. The flange body is limited to the outer edge along the second direction, and the flange segments are limited to the outer edge along the first direction. The second direction is perpendicular to the first direction.

8. The snap-fit ​​structure of the opening and closing door according to claim 7, characterized in that, The door panel is also provided with at least one stop, and a channel is formed between the stop and the inner side of the outer edge, with a portion of the main body of the stop being confined within the channel.

9. The snap-fit ​​structure for the opening and closing door according to claim 7, characterized in that, The main body is provided with at least one baffle on the rotating side; When the door panel is closed with the main body, the baffle and the inner wall of the outer edge near the rotating side are limited and engaged in the second direction.

10. The snap-fit ​​structure of the opening and closing door according to claim 1, characterized in that, One side of the main body is rotatably connected to one side of the door panel via a pivot.