A four-leaf closing assembly with integrated anti-collision and upper and lower sealing functions

By designing a four-fan closing assembly that integrates anti-collision and upper and lower sealing functions, the deformation and sealing performance degradation caused by the collision between the movable fan and the fixed fan is solved, and a better sealing effect and service life is achieved.

CN222745961UActive Publication Date: 2025-04-11SENYING WINDOW IND NANJING CO LTD
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Patent Information

Application Number
CN202420779603.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-04-11
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

During the use of sliding doors, the continuous collision between the movable fan and the fixed fan causes the sliding door to deform, affecting the sealing performance. The prior art requires separately assembling seals on the upper and lower sides, occupying space and causing the seal to rebound effect to weaken.

Method used

A four-fan closing assembly with integrated anti-collision and upper and lower sealing functions is designed, including an upper assembly and a lower assembly assembly. Each component is equipped with an anti-collision block. When the sliding door movable fan is in a closed state, the anti-collision block is against the fixed fan, reducing the impact force; at the same time, the high-elastic sponge and waterproof sponge achieve sealing effect through a specific structure, without the need to set up a separate seal.

Benefits of technology

By reducing the impact force between the sliding door movable and fixed fans, the service life of the sliding door is extended and the sealing performance is improved, avoiding the problem of weakening the rebound effect of the seal.

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Patent Text Reader

Abstract

The utility model discloses a four-leaf closing component with integrated anti-collision and upper and lower sealing functions, relates to the technical field of door and window components, and solves the problem that the movable leaf of a sliding door and the fixed leaf constantly collide with each other, causing the sliding door to be deformed and seriously affecting the sealing performance of the sliding door. The top side end and the bottom side end of the movable leaf of the sliding door are respectively installed with an upper assembly component and a lower assembly component, the outer end faces of the upper assembly component and the lower assembly component are both located in the same vertical plane as the lateral end faces of the movable leaf of the sliding door, and anti-collision blocks are installed on the upper assembly component and the lower assembly component. When the movable leaf of the sliding door is in a closed state, the anti-collision blocks on the upper assembly component and the anti-collision blocks on the lower assembly component both abut against the fixed leaf of the sliding door, and the collision force between the movable leaf of the sliding door and the fixed leaf of the sliding door is reduced by the deformation of the anti-collision blocks themselves, thereby playing an anti-collision function.
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Description

Technical Field

[0001] The utility model relates to the technical field of door and window components, in particular to a four-leaf closing component integrating anti-collision and upper and lower sealing functions. Background Art

[0002] When the sliding door is in use, the movable leaf and the fixed leaf constantly collide. Long-term collision will cause the sliding door to deform, seriously affecting the sealing performance of the sliding door, resulting in the sliding door not being tightly closed. In addition, during the opening and closing process of the existing sliding door, the upper and lower sides need to be separately assembled with seals to ensure the sealing performance of the sliding door, which occupies the assembly space of the sliding door. During the long-term use of the sliding door, the seals on the upper and lower sides are constantly compressed and rebounded, which leads to the weakening of the rebound effect of the seals and the reduction of the sealing performance, affecting the customer's usage experience. Utility Model Content

[0003] In view of the problem that the movable leaf and the fixed leaf of the sliding door constantly collide with each other, causing the sliding door to deform and seriously affecting the sealing performance of the sliding door, the purpose of the utility model is to provide a four-leaf closing assembly that integrates anti-collision and upper and lower sealing functions.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A four-leaf closing assembly with integrated anti-collision and upper and lower sealing functions, comprising: an upper assembly assembly 1 and a lower assembly assembly 2, wherein the upper assembly assembly 1 is installed at the top end of a movable leaf 3 of a sliding door, and the lower assembly assembly 2 is installed at the bottom end of the movable leaf 3 of the sliding door, and further comprising: an anti-collision block 5, wherein each of the upper assembly assembly 1 and the lower assembly assembly 2 is provided with an anti-collision block 5, and when the movable leaf 3 of the sliding door is in a closed state, the anti-collision block 5 located on the upper assembly assembly 1 and the anti-collision block 5 located on the lower assembly assembly 2 both abut against the fixed leaf 4 of the sliding door.

[0006] The above-mentioned four-leaf closing assembly, wherein the upper assembly assembly 1 includes: an upper assembly card 11, on which a first plug-in slide groove 111 is provided, and the upper assembly card 11 is installed on the top side end of the sliding door movable leaf 3 through the first plug-in slide groove 111 located thereon.

[0007] The above-mentioned four-panel closing assembly, wherein the upper assembly assembly 1 also includes: a high-elastic sponge 12, a first assembly groove 114 is provided on the upper assembly clamp 11, the high-elastic sponge 12 is installed in the first assembly groove 114, and a wavy sealing structure 121 is provided on the high-elastic sponge 12.

[0008] The above-mentioned four-panel closing component, wherein the upper assembly component 1 also includes: a high-elastic plastic sheet 13, a cavity 122 is provided in the high-elastic sponge 12, and the high-elastic plastic sheet 13 is installed in the cavity 122 of the high-elastic sponge 12, and the high-elastic plastic sheet 13 is in an inverted "M" shape.

[0009] In the above-mentioned four-panel closing assembly, the upper assembly clamp 11 is provided with a second assembly groove 113 , a plurality of first assembly through holes 112 are provided at the bottom of the second assembly groove 113 , and an anti-collision block 5 is installed at the notch of the second assembly groove 113 .

[0010] The above-mentioned four-leaf closing assembly, wherein the lower assembly assembly 2 includes: a lower assembly card 21, on which a second plug-in slide groove 211 is provided, and the lower assembly card 21 is installed on the bottom side end of the sliding door movable leaf 3 through the second plug-in slide groove 211 located thereon.

[0011] In the above-mentioned four-pane closing assembly, the lower assembly assembly 2 further includes: a waterproof sponge 22 . The lower assembly fixture 21 is provided with a third assembly groove 214 , and the waterproof sponge 22 is installed in the third assembly groove 214 .

[0012] In the above-mentioned four-panel closing assembly, a fourth assembly groove 213 is provided on the lower assembly card 21, a plurality of second assembly through holes 212 are provided at the bottom of the fourth assembly groove 213, and an anti-collision block 5 is installed at the notch of the fourth assembly groove 213.

[0013] In the above-mentioned four-panel closing assembly, the anti-collision block 5 is provided with an assembly structure 51 , and the assembly structure 51 matches with the notch of the second assembly groove 113 and the notch of the fourth assembly groove 213 .

[0014] In the above-mentioned four-panel closing assembly, a clamping structure 52 is provided on the periphery of the assembly structure 51, and the anti-collision block 5 is installed in the notch of the second assembly groove 113 or the notch of the fourth assembly groove 213 through the clamping structure 52 located thereon.

[0015] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0016] (1) In the present invention, an upper assembly component and a lower assembly component are respectively installed at the top side end and the bottom side end of the movable leaf of the sliding door, and the outer end surfaces of the upper assembly component and the lower assembly component are both located in the same vertical plane as the lateral end surface of the movable leaf of the sliding door. Anti-collision blocks are installed on the upper assembly component and the lower assembly component. When the movable leaf of the sliding door is in a closed state, the anti-collision block located on the upper assembly component and the anti-collision block located on the lower assembly component both abut against the fixed leaf of the sliding door, and the collision force between the movable leaf of the sliding door and the fixed leaf of the sliding door is reduced by the deformation of the anti-collision block itself, thereby playing an anti-collision function;

[0017] (2) In the present invention, the upper assembly fixture is provided with a first assembly groove with an opening on the top side, the high-elastic sponge is installed in the first assembly groove, the top of the sliding door movable leaf and the sliding door upper frame are sealed by the high-elastic sponge, the lower assembly fixture is provided with a third assembly groove with an opening on the bottom side, the waterproof sponge is installed in the third assembly groove, the bottom of the sliding door movable leaf and the sliding door lower frame are waterproofly sealed by the waterproof sponge, and there is no need to separately set a sealing member to seal between the sliding door leaf and the sliding door frame;

[0018] (3) In the utility model, a wavy sealing structure is provided on the top of the high-elastic sponge, a cavity is provided inside the high-elastic sponge, and a high-elastic plastic sheet is inserted into the cavity. The high-elastic plastic sheet is in an inverted "M" shape. The high-elastic plastic sheet pushes the high-elastic sponge to rebound, which can solve the problem that the high-elastic sponge is difficult to rebound completely after being compressed multiple times, thereby improving the service life of the high-elastic sponge and improving the sealing performance between the top of the sliding door movable leaf and the upper frame of the sliding door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is an assembly diagram of a four-leaf closing component which integrates anti-collision and upper and lower sealing functions.

[0020] Figure 2 The utility model is a structural schematic diagram of a sliding door movable leaf of a four-leaf closing assembly with integrated anti-collision and upper and lower sealing functions.

[0021] Figure 3 The utility model is a structural schematic diagram of an upper assembly component of a four-leaf closing component which integrates anti-collision and upper and lower sealing functions.

[0022] Figure 4 It is a front view of an upper assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0023] Figure 5 It is a rear view of an upper assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0024] Figure 6It is a side sectional view of an upper assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0025] Figure 7 The utility model is a schematic diagram of assembling a high-elastic sponge and a high-elastic plastic sheet of a four-flask closing component with integrated anti-collision and upper and lower sealing functions.

[0026] Figure 8 yes Figure 7 End view of .

[0027] Fig. 9 The utility model is a structural schematic diagram of a lower assembly component of a four-leaf closing component which integrates anti-collision and upper and lower sealing functions.

[0028] Fig.10 It is a front view of a lower assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0029] Fig.11 It is a rear view of a lower assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0030] Fig.12 It is a side sectional view of a lower assembly component of a four-leaf closing component of the utility model which integrates anti-collision and upper and lower sealing functions.

[0031] Fig.13 The utility model is a bottom view of an anti-collision block of a four-leaf closing assembly which integrates anti-collision and upper and lower sealing functions.

[0032] Fig.14 It is a front view of an anti-collision block of a four-leaf closing assembly of the utility model which integrates anti-collision and upper and lower sealing functions.

[0033] Fig.15 The utility model is a top view of an anti-collision block of a four-leaf closing assembly which integrates anti-collision and upper and lower sealing functions.

[0034] In the accompanying drawings: 1. upper assembly component; 2. lower assembly component; 3. movable leaf of sliding door; 4. fixed leaf of sliding door; 5. anti-collision block; 11. upper assembly clamp; 12. high-elastic sponge; 13. high-elastic plastic sheet; 21. lower assembly clamp; 22. waterproof sponge; 51. assembly structure; 52. clamping structure; 111. first plug-in slide groove; 112. first assembly through hole; 113. second assembly groove; 114. first assembly groove; 121. wavy sealing structure; 122. cavity; 211. second plug-in slide groove; 212. second assembly through hole; 213. fourth assembly groove; 214. third assembly groove. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0036] Please refer to Figures 1 to 15 As shown, a four-leaf closing assembly with integrated anti-collision and upper and lower sealing functions is shown, which includes: an upper assembly assembly 1 and a lower assembly assembly 2, the upper assembly assembly 1 is installed on the top side end of the sliding door movable leaf 3, and the lower assembly assembly 2 is installed on the bottom side end of the sliding door movable leaf 3, and also includes: an anti-collision block 5, an anti-collision block 5 is installed on the upper assembly assembly 1 and the lower assembly assembly 2, when the sliding door movable leaf 3 is in a closed state, the anti-collision block 5 located on the upper assembly assembly 1 and the anti-collision block 5 located on the lower assembly assembly 2 both abut against the sliding door fixed leaf 4.

[0037] Furthermore, in a preferred embodiment, the upper assembly component 1 includes: an upper assembly card 11, on which a first plug-in slot 111 is provided, and the upper assembly card 11 is installed on the top side end of the sliding door movable leaf 3 through the first plug-in slot 111 located thereon.

[0038] Furthermore, in a preferred embodiment, the upper assembly component 1 also includes: a highly elastic sponge 12 , a first assembly groove 114 is provided on the upper assembly fixture 11 , the highly elastic sponge 12 is installed in the first assembly groove 114 , and a wavy sealing structure 121 is provided on the highly elastic sponge 12 .

[0039] Furthermore, in a preferred embodiment, the upper assembly component 1 also includes: a high-elastic plastic sheet 13, a cavity 122 is provided in the high-elastic sponge 12, the high-elastic plastic sheet 13 is installed in the cavity 122 of the high-elastic sponge 12, and the high-elastic plastic sheet 13 is in an inverted "M" shape.

[0040] Furthermore, in a preferred embodiment, a second assembly groove 113 is provided on the upper assembly fixture 11 , a plurality of first assembly through holes 112 are provided at the bottom of the second assembly groove 113 , and an anti-collision block 5 is installed at the notch of the second assembly groove 113 .

[0041] Furthermore, in a preferred embodiment, the lower assembly component 2 includes: a lower assembly card 21, on which a second plug-in groove 211 is provided, and the lower assembly card 21 is installed on the bottom side end of the sliding door movable leaf 3 through the second plug-in groove 211 located thereon.

[0042] Furthermore, in a preferred embodiment, the lower assembly component 2 further includes: a waterproof sponge 22 . The lower assembly fixture 21 is provided with a third assembly groove 214 , and the waterproof sponge 22 is installed in the third assembly groove 214 .

[0043] Furthermore, in a preferred embodiment, a fourth assembly groove 213 is formed on the lower assembly fixture 21 , a plurality of second assembly through holes 212 are formed at the bottom of the fourth assembly groove 213 , and an anti-collision block 5 is installed at the notch of the fourth assembly groove 213 .

[0044] Furthermore, in a preferred embodiment, an assembly structure 51 is provided on the anti-collision block 5 , and the assembly structure 51 matches with the notch of the second assembly groove 113 and the notch of the fourth assembly groove 213 .

[0045] Furthermore, in a preferred embodiment, a snap-fit ​​structure 52 is provided on the periphery of the assembly structure 51 , and the anti-collision block 5 is installed in the notch of the second assembly groove 113 or the notch of the fourth assembly groove 213 through the snap-fit ​​structure 52 thereon.

[0046] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0047] The utility model also has the following implementation methods based on the above:

[0048] In a further embodiment of the utility model, an assembly slot is provided at the top end of the sliding door movable leaf 3 in the horizontal direction, a first plug-in slot 111 is provided on the upper assembly card 11, the first plug-in slot 111 of the upper assembly card 11 is pushed into the assembly slot at the top end of the sliding door movable leaf 3, the outer end surface of the upper assembly card 11 and the lateral end surface of the sliding door movable leaf 3 are located in the same vertical plane, the outer end surface of the upper assembly card 11 is provided with a second assembly slot 113, and the bottom of the second assembly slot 113 is provided with a plurality of The first assembly through hole 112, each of which is penetrated by a screw, the upper assembly card 11 and the top side end of the sliding door movable leaf 3 are connected by multiple screws, and the notch of the second assembly groove 113 is installed with an anti-collision block 5, and the anti-collision block 5 is used to block the multiple screws in the second assembly groove 113. At the same time, during the closing process of the sliding door movable leaf 3, the sliding door fixed leaf 4 is against the anti-collision block 5, so as to reduce the collision force between the sliding door movable leaf 3 and the sliding door fixed leaf 4, and play an anti-collision function.

[0049] In a further embodiment of the utility model, an assembly slot is provided at the bottom side end of the sliding door movable leaf 3 in the horizontal direction, a second plug-in slot 211 is provided on the lower assembly card 21, the second plug-in slot 211 of the lower assembly card 21 is pushed into the assembly slot at the bottom side end of the sliding door movable leaf 3, the outer end surface of the lower assembly card 21 and the lateral end surface of the sliding door movable leaf 3 are located in the same vertical plane, the outer end surface of the lower assembly card 21 is provided with a fourth assembly slot 213, and the bottom of the fourth assembly slot 213 is provided with a plurality of The second assembly through hole 212, each of which is penetrated by a screw, the lower assembly card 21 and the bottom side end of the sliding door movable leaf 3 are connected by multiple screws, and the notch of the fourth assembly groove 213 is installed with an anti-collision block 5, and the anti-collision block 5 is used to block the multiple screws in the fourth assembly groove 213. At the same time, during the closing process of the sliding door movable leaf 3, the sliding door fixed leaf 4 is against the anti-collision block 5, so as to reduce the collision force between the sliding door movable leaf 3 and the sliding door fixed leaf 4, and play an anti-collision function.

[0050] In a further embodiment of the utility model, a first assembly groove 114 with a top side opening is provided on the upper assembly card 11, and a high-elastic sponge 12 is installed in the first assembly groove 114. The top of the sliding door movable leaf 3 and the upper frame of the sliding door are sealed by the high-elastic sponge 12. A wavy sealing structure 121 is provided on the top of the high-elastic sponge 12 to increase the deformation amount and sealing performance of the high-elastic sponge 12.

[0051] In a further embodiment of the utility model, a cavity 122 is provided inside the high-elastic sponge 12, and a high-elastic plastic sheet 13 is installed in the cavity 122 of the high-elastic sponge 12. By opening the cavity 122 inside the high-elastic sponge 12, the deformation of the high-elastic sponge 12 can be effectively increased. At the same time, by inserting the high-elastic plastic sheet 13 into the cavity 122 of the high-elastic sponge 12, the rebound performance of the high-elastic sponge 12 can be increased. The high-elastic plastic sheet 13 is in an inverted "M" shape. By pushing the high-elastic sponge 12 to rebound by the high-elastic plastic sheet 13, the problem that the high-elastic sponge 12 is difficult to rebound completely after multiple compressions can be solved, the service life of the high-elastic sponge 12 is improved, and the sealing performance between the top of the sliding door movable fan 3 and the sliding door upper frame is improved.

[0052] In a further embodiment of the utility model, a third assembly groove 214 with a bottom opening is provided on the lower assembly card 21, and a waterproof sponge 22 is installed in the third assembly groove 214. The waterproof sponge 22 has a waterproof effect. The bottom of the sliding door movable leaf 3 and the lower frame of the sliding door are waterproofly sealed by the waterproof sponge 22 to separate the indoor and outdoor sides to prevent rainwater from entering the indoor side from the outdoor side in rainy weather.

[0053] In a further embodiment of the utility model, a second assembly groove 113 is provided on the upper assembly clamp 11, and a fourth assembly groove 213 is provided on the lower assembly clamp 21. The anti-collision block 5 is installed in the notch of the second assembly groove 113 or the notch of the fourth assembly groove 213 through the clamping structure 52 located thereon, which plays a role in covering the screws to prevent the screws from falling off and being lost. At the same time, the anti-collision block 5 is made of elastic material as a whole. During the opening and closing process of the sliding door movable leaf 3, the collision force between the sliding door movable leaf 3 and the sliding door fixed leaf 4 is reduced through the deformation of the anti-collision block 5 itself, thereby playing an anti-collision function.

[0054] In a further embodiment of the utility model, the top side end and the bottom side end of the sliding door movable leaf 3 are respectively installed with an upper assembly component 1 and a lower assembly component 2, the outer end surfaces of the upper assembly component 1 and the lower assembly component 2 are located in the same vertical plane as the lateral end surfaces of the sliding door movable leaf 3, and anti-collision blocks 5 are installed on the upper assembly component 1 and the lower assembly component 2. When the sliding door movable leaf 3 is in a closed state, the anti-collision blocks 5 located on the upper assembly component 1 and the anti-collision blocks 5 located on the lower assembly component 2 both abut against the sliding door fixed leaf 4, and the collision force between the sliding door movable leaf 3 and the sliding door fixed leaf 4 is reduced by the deformation of the anti-collision blocks 5 themselves, thereby playing an anti-collision function.

[0055] In a further embodiment of the utility model, the upper assembly card 11 is provided with a first assembly groove 114 with a top side opening, the high-elastic sponge 12 is installed in the first assembly groove 114, the top of the sliding door movable leaf 3 and the sliding door upper frame are sealed by the high-elastic sponge 12, and the lower assembly card 21 is provided with a third assembly groove 214 with a bottom side opening, the waterproof sponge 22 is installed in the third assembly groove 214, the bottom of the sliding door movable leaf 3 and the sliding door lower frame are waterproofly sealed by the waterproof sponge 22, and there is no need to separately set a seal to seal the sliding door leaf and the sliding door frame.

[0056] In a further embodiment of the utility model, a wavy sealing structure 121 is provided on the top of the high-elastic sponge 12, a cavity 122 is provided in the high-elastic sponge 12, a high-elastic plastic sheet 13 is inserted into the cavity 122, and the high-elastic plastic sheet 13 is in an inverted "M" shape. The high-elastic plastic sheet 13 pushes the high-elastic sponge 12 to rebound, which can solve the problem that the high-elastic sponge 12 is difficult to rebound completely after multiple compressions, thereby improving the service life of the high-elastic sponge 12 and improving the sealing performance between the top of the sliding door movable fan 3 and the upper frame of the sliding door.

[0057] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A four-leaf closing assembly integrating anti-collision and upper and lower sealing functions, characterized in that: include: An upper assembly component (1) and a lower assembly component (2), wherein the upper assembly component (1) is mounted on the top end of a movable leaf (3) of a sliding door, and the lower assembly component (2) is mounted on the bottom end of the movable leaf (3) of the sliding door, and further comprises: an anti-collision block (5), wherein each of the upper assembly component (1) and the lower assembly component (2) is mounted with an anti-collision block (5), and when the movable leaf (3) of the sliding door is in a closed state, the anti-collision block (5) located on the upper assembly component (1) and the anti-collision block (5) located on the lower assembly component (2) both abut against the fixed leaf (4) of the sliding door.

2. The four-leaf closing assembly according to claim 1, characterized in that: The upper assembly component (1) comprises: an upper assembly card (11), the upper assembly card (11) being provided with a first plug-in slide groove (111), and the upper assembly card (11) being installed on the top side end of the sliding door movable leaf (3) via the first plug-in slide groove (111) located thereon.

3. The four-leaf closing assembly according to claim 2, characterized in that: The upper assembly component (1) further comprises: a highly elastic sponge (12); a first assembly groove (114) is provided on the upper assembly clamp (11); the highly elastic sponge (12) is installed in the first assembly groove (114); and a wavy sealing structure (121) is provided on the highly elastic sponge (12).

4. The four-leaf closing assembly according to claim 3 is characterized in that: The upper assembly component (1) further comprises: a high-elastic plastic sheet (13); a cavity (122) is provided in the high-elastic sponge (12); the high-elastic plastic sheet (13) is installed in the cavity (122) of the high-elastic sponge (12); and the high-elastic plastic sheet (13) is in an inverted "M" shape.

5. The four-leaf closing assembly according to claim 2, characterized in that: The upper assembly clamp (11) is provided with a second assembly groove (113), a plurality of first assembly through holes (112) are provided at the bottom of the second assembly groove (113), and an anti-collision block (5) is installed at the notch of the second assembly groove (113).

6. The four-leaf closing assembly according to claim 1, characterized in that: The lower assembly component (2) comprises: a lower assembly card (21), on which a second plug-in slide groove (211) is provided, and the lower assembly card (21) is installed on the bottom side end of the sliding door movable leaf (3) through the second plug-in slide groove (211) located thereon.

7. The four-leaf closing assembly according to claim 6, characterized in that: The lower assembly component (2) further comprises: a waterproof sponge (22); a third assembly groove (214) is provided on the lower assembly clamp (21); and the waterproof sponge (22) is installed in the third assembly groove (214).

8. The four-leaf closing assembly according to claim 7, characterized in that: The lower assembly clamp (21) is provided with a fourth assembly groove (213), a plurality of second assembly through holes (212) are provided at the bottom of the fourth assembly groove (213), and an anti-collision block (5) is installed at the notch of the fourth assembly groove (213).

9. The four-leaf closing assembly according to claim 5 or claim 8, characterized in that: The anti-collision block (5) is provided with an assembly structure (51), and the assembly structure (51) matches the notch of the second assembly groove (113) and the notch of the fourth assembly groove (213).

10. The four-leaf closing assembly according to claim 9, characterized in that: A clamping structure (52) is provided on the outer periphery of the assembly structure (51), and the anti-collision block (5) is installed in the notch of the second assembly groove (113) or the notch of the fourth assembly groove (213) through the clamping structure (52) located thereon.