Door stopper damping mechanism and door stopper system

Abstract

The utility model discloses a door stopper damping mechanism and a door stopper system, and the door stopper damping mechanism comprises a housing which is provided with a guide mechanism, one side of the housing assembled on a door body is the back of the housing, and the guide mechanism is provided with a first end and a second end; a damper; the abutting piece slides along the guide mechanism, at least part of the abutting piece extends out of the shell to form a clamping groove used for being connected with the clamping column in the blocking piece in an abutting mode, and when the abutting piece moves towards the clamping column, the clamping groove is connected with the clamping column in an abutting mode so that the abutting piece can slide from the second end of the guide mechanism to the first end of the guide mechanism, and then the damper is triggered; according to the utility model, by introducing the damper, progressive buffering is provided when the door body is opened, so that the impact force is reduced. The movement track of the abutting piece is restrained through the guide mechanism, it is ensured that the direction of damping force is consistent with the movement direction of the abutting piece, and therefore the suction efficiency is improved, the damper can provide smooth resistance, and instant impact force is reduced; the damper is matched with the guide mechanism to improve sliding stability and reduce shaking of the door body.

Description

Technical Field

[0001] This utility model relates to the technical field of door catch damping, and in particular to a door catch damping mechanism and door catch system. Background Technology

[0002] With the continuous development of modern architecture and home design, doorstops, as an important device for fixing doors, have increasingly higher requirements for functionality and reliability. Doorstops typically consist of a base (fixed to the ground or wall) and a post (fixed to the door). Together, they lock the door in place after it is opened, preventing accidental closure due to wind or external impact. However, existing doorstop technology generally suffers from structural defects or performance deficiencies in practical applications, making it difficult to meet users' comprehensive needs for smooth operation, durability, and cost control.

[0003] Currently, the mainstream door catches on the market include upright, sliding, horizontal, and electromagnetic types, but all have significant limitations: electromagnetic door catches are expensive to manufacture and complex to install and maintain; upright door catches have a large impact force when they close, which can easily cause violent collisions between the door and the door frame, and long-term use may cause door deformation. Utility Model Content

[0004] To overcome at least one of the defects described in the prior art, this utility model provides a door catch damping mechanism and door catch system. It can solve problems such as high cost, weak impact resistance, and severe door swaying.

[0005] The technical solution adopted by this utility model to solve its problem is:

[0006] A door closer damping mechanism includes: a housing for mounting to the back of a door, a guide mechanism provided on the housing, wherein the side of the housing mounted to the door is designated as the back of the housing, and the guide mechanism has a first end near the back and a second end away from the back; a damper mounted inside the housing; and an abutment member that slides along the guide mechanism and at least partially extends out of the housing to form a locking groove for abutting a locking post in a stop member. When the abutment member moves toward the locking post, the locking groove abuts against the locking post, causing the abutment member to slide from the second end to the first end of the guide mechanism, thereby triggering the damper.

[0007] By adopting the above solution and introducing a damper, a gradual buffer is provided when the door opens to reduce the impact force. Specifically, the movement trajectory of the abutment is constrained by the guide mechanism to ensure that the direction of the damping force is consistent with the direction of movement of the abutment, thereby improving the closing efficiency. The damper provides smooth resistance and reduces the instantaneous impact force. At the same time, the damper, in conjunction with the guide mechanism, can improve sliding stability and reduce the shaking of the door.

[0008] Furthermore, the housing also includes a movable block, which is vertically slidably disposed within the housing and located between the damper and the abutment. The damper is vertically disposed above the movable block. The movable block is provided with a sliding groove, which gradually slopes downward from away from the back to near the back. The abutment is provided with a first slider that slides within the sliding groove, so that when the abutment gradually moves towards the side closer to the back, it can slide down along the sliding groove, while simultaneously moving the movable block upward.

[0009] By adopting the above scheme, when the movable block moves upward, the cooperation between the inclined surface of the slide groove and the first slider enables the abutment to simultaneously achieve a combined motion of descent and lateral displacement during the sliding process. This motion trajectory allows the abutment to form a smooth, involute path when disengaging from the locking post, avoiding the vertical, rigid separation of traditional door catches, reducing frictional wear between components, and extending service life.

[0010] Furthermore, the guiding mechanism includes a first guiding section and a second guiding section in sequence from near the back to away from the back, wherein the first guiding section is a horizontal groove and the second guiding section is an inclined groove.

[0011] By adopting the above scheme, the effect of switching between the two states of the abutment can be achieved. The design of the second section makes the direction of damping force application form the optimal angle with the inertial direction of the door and significantly improves the energy absorption efficiency.

[0012] Furthermore, the abutment is also provided with a second slider and a third slider, which are spaced apart and slide along the guide mechanism.

[0013] By adopting the above scheme, the second and third sliders achieve two stable contact points, which can maintain the stable contact effect of the contacting parts on the guide mechanism.

[0014] Furthermore, when the abutment is located at the first end of the guide mechanism, the line connecting the second slider and the third slider is parallel to the first guide segment. When the abutment slides from the first end to the second end of the guide mechanism, at least one of the second slider and the third slider slides from the first guide segment to the second guide segment.

[0015] By adopting the above scheme, the second and third sliders are spaced apart to form a double-support guide structure, which, together with the segmented guide mechanism, achieves three-point positioning control. Throughout the entire opening / closing cycle of the door, the second and third sliders always maintain two contact points engaged with the guide mechanism, effectively suppressing deflection and swaying during the movement of the abutment, and ensuring precise alignment at the moment of damping triggering.

[0016] Furthermore, the locking groove is a U-shaped groove, and when the abutting member slides back and forth between the first end and the second end, the locking pin abuts against both sides of the U-shaped groove respectively.

[0017] By adopting the above solution, the abutment linkage effect is improved, and sufficient gaps are reserved to facilitate the smooth engagement of the locking slot.

[0018] Furthermore, it also includes a reset member, which provides a reset force to the abutment member to slide toward the first end when the abutment member is between the first end and the second end.

[0019] By adopting the above scheme, when the door is opened with a small force, the abutment first contacts the locking post. Since the opening force is not large, the abutment may not be able to directly overcome the damping force of the damper to achieve locking. Therefore, the reset component comes into play, pulling the abutment to continue sliding, thereby compressing the damper and keeping the abutment stable in the second end.

[0020] Furthermore, an assembly is provided between the housing and the door body, the assembly comprising: a first assembly plate for fixing to the door body; a second adjusting plate, one side of which engages with the first assembly plate and the other side of which engages with the housing; and fasteners for fixing the first assembly plate, the second adjusting plate, and the housing together.

[0021] By adopting the above solution, the assembly stability between the shell and the door can be improved.

[0022] Furthermore, the assembly also includes an adjusting member, which is arranged parallel to the fastener. The first assembly plate is provided with an abutment portion corresponding to the adjusting member, and the adjusting member is used to adjust the relative height between the housing and the first assembly plate.

[0023] By adopting the above solution, the vertical height of the door suction damping mechanism can be finely adjusted by rotating the adjustment component, adapting to different door depressions or uneven ground conditions without disassembly and reassembly. The adjustment process requires no special tools, significantly improving construction efficiency.

[0024] A door catch system includes a door body, a stop, and a door catch damping mechanism mounted on the back side of the door body. The stop is mounted on the wall or ground behind the door body. The stop is provided with a rotatably connected snap-fit ​​post, which is used to snap against the stop when the door is opened to trigger damping.

[0025] By adopting the above solution, the door opening can be effectively damped and shock-absorbing.

[0026] In summary, the door catch damping mechanism and door catch system provided by this utility model have the following technical effects:

[0027] 1. By introducing a damper, the door receives a gradual buffering effect during opening, effectively reducing the instantaneous impact force between the door and the frame. This not only protects the door from deformation that may result from severe collisions but also improves user comfort and safety.

[0028] 2. The combined use of the damper and the guide mechanism ensures the stability and accuracy of the abutment during movement. The guide mechanism constrains the movement trajectory of the abutment, ensuring that the direction of the damping force is consistent with the direction of movement of the abutment, thereby improving the closing efficiency and reducing door swaying during use;

[0029] 3. Because the damper provides smooth resistance, it reduces the impact and wear during door opening and closing, thus extending the service life of the door closer system. Furthermore, the damper's design also helps reduce noise and vibration that may develop over long-term use.

[0030] 4. It also has lower manufacturing and maintenance costs, reducing the overall cost of use for users. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the door closer in the untriggered damping state according to an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the door latch trigger damping state structure according to an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the internal structure of the door catch trigger damping state in an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of the internal structure of the door closer in the untriggered damping state according to an embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the internal structure of the door catch trigger damping state in an embodiment of the present invention;

[0036] Figure 6 This is a schematic diagram of the internal structure of the door closer in the untriggered damping state according to an embodiment of the present invention;

[0037] Figure 7 This is a schematic diagram of the disassembled structure of the door catch housing according to an embodiment of the present utility model;

[0038] Figure 8 This is a schematic diagram of the disassembly structure of the door catch housing according to an embodiment of the present utility model.

[0039] The meanings of the reference numerals in the attached drawings are as follows: 1. Housing; 11. Guide mechanism; 111. First guide section; 112. Second guide section; 12. First end; 13. Second end; 14. Cavity; 15. Cover; 16. Top cover; 17. Second flange; 18. Locking hole; 19. Hole position; 2. Abutment part; 21. Locking groove; 22. Guide surface; 23. Locking arm; 24. First slider; 25. Second slider; 26. Third slider; 3. Movable block; 31. Slide groove; 33. Assembly platform; 4. Damper; 5. Reset part; 6. Adjusting part; 7. Assembly part; 71. First assembly plate; 711. First flange; 712. Abutment part; 72. Second adjusting plate; 721. First slot; 722. Second slot; 723. Clearance hole; 73. Fastener; 8. Stop; 81. Locking post. Detailed Implementation

[0040] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described and discussed below with reference to the accompanying drawings. Obviously, what is described here is only a part of the examples of this invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the protection scope of this invention.

[0041] To facilitate understanding of the embodiments of this utility model, further explanations and descriptions will be provided below with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this utility model.

[0042] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0044] See Embodiment 1 of this utility model. Figures 1-8As shown, a door suction damping mechanism is disclosed, including a housing 1, an abutment 2 and a damper 4. The housing 1 is hollow to form a cavity 14 for accommodating the abutment 2 and the damper 4. Optionally, in order to facilitate the installation of the abutment 2 and the damper 4 in the cavity 14, a detachable cover 15 can be provided on one or both sides of the housing 1. Specifically, the housing 1 is used to be assembled to the back side of the door. The side of the housing 1 assembled to the door is defined as the back of the housing 1. The housing 1 is provided with a guide mechanism 11. The guide mechanism 11 has a first end 12 near the back and a second end 13 away from the back. The damper 4 is assembled in the cavity 14 of the housing 1. The abutment 2 slides along the guide mechanism 11 and at least partially extends out of the housing 1 to form a locking groove 21 for abutting against the locking post 81 in the stop member 8. When the abutment 2 moves toward the locking post 81, the locking groove 21 abuts against the locking post 81, so that the abutment 2 slides along the second end 13 toward the first end 12 of the guide mechanism 11, thereby triggering the damper 4. By constraining the movement trajectory of the abutment 2 through the guide mechanism 11, the direction of the damping force is consistent with the direction of movement of the abutment 2, thereby improving the engagement efficiency. The damper 4 provides smooth resistance and reduces instantaneous impact force. At the same time, the damper 4, together with the guide mechanism 11, can improve sliding stability and reduce the shaking of the door.

[0045] In some embodiments, a reset member 5 is also installed inside the cavity 14. One end of the reset member 5 is connected to the housing 1, and the other end is connected to the abutment member 2. Preferably, the reset direction of the reset member 5 is parallel to the damping direction of the damper 4. In this embodiment 1, the damper 4 is vertically arranged, and the reset member 5 is also vertically arranged. When the abutment member 2 is between the first end 12 and the second end 13, the reset member 5 can provide a reset force for the abutment member 2 to slide towards the first end 12. Therefore, when the door opening force is insufficient and the abutment member 2 can only be abutted to the position away from the first end 12, the reset member 5 can provide a continuous forward force for the abutment member 2, thereby achieving a complete opening and closing effect on the door.

[0046] In Embodiment 1, to improve the sliding stability of the abutment 2, a movable block 3 is also provided inside the housing 1. The movable block 3 is vertically slidably disposed inside the housing 1 and located between the damper 4 and the abutment 2, that is, the movable block 3 can move longitudinally along the cavity 14. The top of the movable block 3 has an assembly platform 33. The damper 4 and the reset member 5 are both disposed above the assembly platform 33 of the movable block 3. Specifically, the damper 4 is vertically disposed, and a fixing frame or clamp is disposed next to the damper 4. The frame includes a reset member 5, which is a tension spring or spring. One end of the spring is connected to the top of the cavity 14 of the housing 1, and the other end is engaged with the assembly platform 33. The guide mechanism 11 is located inside the housing 1, specifically at the lower inner side of the cover 15. The guide mechanism 11 includes a first guide section 111 and a second guide section 112 from near the back to away from the back. The first guide section 111 is a horizontal groove, and the second guide section 112 is an inclined groove, with the inclined groove inclined upward from the first guide section 111. The upper half of the abutment member 2 is a sliding part that slides within the guide mechanism 11. The lower half of the abutment member 2 extends outward from the bottom of the cavity 14 to form a locking groove 21 for fitting with the locking post 81.

[0047] The working principle of this utility model is as follows: When the door is opened, the housing 1 on the back side of the door moves synchronously toward the stop 8 behind the door. Under normal circumstances, when it does not contact the locking post 81, the sliding part of the abutment 2 is located in the second guide section 112, that is, in the second end 13 of the guide mechanism 11. Therefore, the lower half of the abutment 2 extends obliquely toward the locking post 81, and the reset member 5 is stretched. Since the abutment 2 is located at the top of the second guide section 112, it cannot move upward, so that the abutment 2 is relatively stable in the second guide section 112, and can keep the abutment 2 stably in the extended state. When the abutment 2 contacts the locking post 81, the door continues to move forward due to inertia and the assistance of the reset member 5. This causes the locking post 81 to push the lower half of the abutment 2 along the second guide section 112 towards the first guide section 111. During this process, the movable part moves upward under the pulling force of the reset member 5. After moving a certain range, damping is triggered to achieve a deceleration effect until the abutment 2 is completely perpendicular to the first guide section 111. At this time, it is also subjected to the resetting pulling force of the reset member 5 on the movable block 3, while the abutment 2 below the movable block 3 stably abuts against the first guide section 111. Within the guide section 111, the locking post 81 and the locking groove 21 are stably engaged, ensuring the overall stability. When the user manually closes the door, the door moves away from the locking post 81, causing the upper part of the abutment 2 to move along the first guide section 111 towards the second guide section 112. When it is fully engaged with the second guide section 112, the abutment 2 again achieves stable engagement with the second guide section 112, maintaining relative stability. Simultaneously, the locking groove 21 of the abutment 2 extends outward, causing the locking post 81 in the stop 8 to disengage from the locking groove 21, completing the closing action.

[0048] According to the above scheme, the damping force of the damper 4 is changed from being consistent with the inertial direction of the door to being perpendicular to the inertial direction of the door. That is, the damping force of the damper 4 is perpendicular to the inertial direction of the door, which can greatly reduce the lateral space reserved between the rear side of the door and the wall or ground. Thus, while achieving the effect of switching between the two states of the abutment 2, the design of the second guide section 112 and the inclined surface 321 of the movable block 3 makes the damping force application direction form an optimal angle with the inertial direction of the door and significantly improves the energy absorption efficiency.

[0049] In a simplified design, the moving parts can be omitted, allowing the damper 4 and the reset member 5 to act directly on the abutment 2. The abutment 2 moves along the guide mechanism 11 and, similarly, extends outward from the housing 1 under the reset force of the reset member 5. When it interacts with the locking post 81, it compresses the reset member 5 and triggers the damping effect of the damper 4, achieving deceleration. The specific structure of the abutment 2 in this design is not specifically limited, as long as it can perform the above functions. Ideally, the damping force of the damper 4 should be perpendicular to the direction of the door's inertia.

[0050] In some embodiments, to further improve the smoothness and stability of the abutment member 2 in changing between two states, a groove 31 is provided on the movable block 3. Preferably, the groove 31 is located on the side of the movable block 3 parallel to the cover 15, and the groove 31 gradually slopes downward from away from the back to near the back. The abutment member 2 is provided with a first slider 24 that slides within the groove 31, so that when the abutment member 2 gradually moves towards the side closer to the back, it can slide down along the groove 31, while simultaneously moving the movable block 3 upward. Therefore, the abutment member 2 achieves a combined motion of descent and lateral displacement. This motion trajectory allows the abutment member 2 to form a smooth, gradually opening path when it disengages from the locking post 81, avoiding the vertical, rigid separation of traditional door closers, reducing frictional wear between components, and extending service life.

[0051] It should be noted that the first slider 24 is preferably a columnar structure so that the first slider 24 can rotate while sliding in the groove 31.

[0052] In this embodiment 1, the abutment 2 is further provided with a second slider 25 and a third slider 26, which are spaced apart and slide along the guide mechanism 11. When the abutment 2 is located at the first end 12 of the guide mechanism 11, the line connecting the second slider 25 and the third slider 26 is parallel to the first guide segment 111. When the abutment 2 slides from the first end 12 to the second end 13 of the guide mechanism 11, the line connecting the second slider 25 and the third slider 26 is parallel to the second guide segment 112, or at least one of the second slider 25 and the third slider 26 is located on the second guide segment 112. That is, both the second slider 25 and the third slider 26 can slide onto the second guide segment 112, or the second slider 25 can slide onto the second guide segment 112 and the third slider 26 can slide to the junction between the first guide segment 111 and the second guide segment 112. The second slider 25 and the third slider 26 are spaced apart to form a double-support guide structure, which, together with the segmented guide mechanism 11, achieves three-point positioning control. Throughout the entire opening / closing cycle of the door, the second slider 25 and the third slider 26 always maintain two contact points engaged with the guide mechanism 11, effectively suppressing the deflection and swaying of the abutment 2 during its movement, and ensuring precise alignment at the moment of damping triggering.

[0053] It should be noted that the second slider 25 is preferably cylindrical, so that the second slider 25 can rotate while sliding on the guide mechanism 11, thereby facilitating the switching between the first guide section 111 and the second guide section 112. The third slider 26 is a block structure with a flat bottom surface and a curved surface on the side away from the second slider 25. The curved surface design is similar to the cylindrical structure, which facilitates the switching between the first guide section 111 and the second guide section 112. The flat bottom surface is parallel to the line connecting the second slider 25 and the third slider 26, increasing the contact area with the first guide section 111 or the second guide section 112, thereby improving the contact stability between the abutment member 2 and the guide mechanism 11 in both states.

[0054] In some embodiments, to prevent the abutment member 2 from being subjected to external force when the door is closed, causing it to be positioned between the abutment plane 322 and the first guide section 111, thus preventing the locking groove 21 of the abutment member 2 from facing the locking post 81 and thus hindering the connection between the two and affecting the deceleration function during subsequent door opening, specifically, the locking groove 21 is designed in the center of the portion of the abutment member 2 extending out of the housing 1. The locking groove 21 is a U-shaped groove. When the abutment member 2 slides back and forth between the first end 12 and the second end 13, the locking post 81 abuts against both sides of the U-shaped groove. Specifically, the concave shape of the locking groove 21 forms two locking arms 23 on both sides, which are used to engage with the locking post 81 at the rear of the door, achieving a stable engagement with the locking post 81. A guide surface 22 is provided on the outer side of the locking arm 23 on the side of the locking groove 21 away from the back. The guide surface 22 is used to provide a guiding force for the locking post 81 to move into the locking groove 21. This allows the guide surface 22 to provide a guiding force for the locking post 81. Even if the abutment 2 malfunctions and fails to reset, the guide surface 22 can still drive the abutment 2 to move upward, thereby allowing the locking post 81 to smoothly enter the locking groove 21 and achieve the locking effect. When the abutment 2 slides from the first end 12 to the second end 13, the locking post 81 abuts against the locking arm 23 away from the back. When the abutment 2 slides from the second end 13 to the first end 12, the locking post 81 abuts against the locking arm 23 near the back, improving the abutment linkage effect and leaving sufficient gaps to facilitate smooth locking of the locking groove.

[0055] In some embodiments, to improve the convenience and stability of the connection between the housing 1 and the door, an assembly 7 is provided between the housing 1 and the door. The assembly 7 includes a first assembly plate 71, a second adjusting plate 72, and a fastener 73. The first assembly plate 71 is used to fix the door, and one side of the second adjusting plate 72 is engaged with the first assembly plate 71, and the other side is engaged with the housing 1. The fastener 73 is used to fix the first assembly plate 71, the second adjusting plate 72, and the housing 1 in a fixed assembly. Specifically, in this embodiment 1, the first assembly plate 71 is provided with screw holes, and the first assembly plate 71 can be fixed to the door by screws. The side of the first assembly plate 71 away from the back is provided with a first flange 711. The side of the second adjusting plate 72 facing the first assembly plate 71 is provided with a first groove 721 that engages with the first flange 711. The edge of the housing 1 facing the door also extends outward to form a second flange 17. The side of the second adjusting plate 72 facing the housing 1 is provided with a second groove 722. 722 engages with the second flange 17. The top of the housing 1 near the second adjusting plate 72 is provided with a locking hole 18 for installing a fastener 73. The locking hole 18 is inclined toward the door body. The second adjusting plate 72 is provided with a clearance hole 723 to avoid the fastener. The fastener is preferably a screw. When the screw rotates into the locking hole 18, it can make the housing 1 and the first assembly plate 71 move away from each other, thereby increasing the engagement friction between the two and the second adjusting plate 72, and thus improving the assembly stability between the housing 1 and the door body.

[0056] Normally, the snap-fit ​​post 81 at the back of the door and the shell 1 on the back side of the door need to be precisely assembled to achieve alignment. However, installation errors often occur during the assembly process, causing them to be mismatched or unable to fit together. The solution is often to reinstall, which greatly increases the installation difficulty and time. Therefore, in some embodiments, the assembly 7 also includes an adjusting member 6. The adjusting member 6 is arranged parallel to the fastener 73. The first assembly plate 71 is provided with an abutment portion 712 corresponding to the adjusting member 6. The adjusting member 6 is used to adjust the relative height between the shell 1 and the first assembly plate 71. Preferably, the adjusting member 6 is also a screw. After the adjusting member 6 is installed, its end will abut against the abutment portion 712 of the first assembly plate 71. When the adjusting member 6 is rotated, the thread of the adjusting member 6 will drive the shell 1 to move upward or downward, thereby achieving a fine-tuning effect and greatly improving the ease of installation. This allows the vertical height of the door suction damping mechanism to be finely adjusted by rotating the adjusting member 6, adapting to different door depressions or uneven ground conditions without disassembly and reassembly. The adjustment process requires no special tools, significantly improving construction efficiency.

[0057] In some embodiments, to prevent dust from accumulating in the locking hole 18 and the mounting hole 19, a top cover 16 is provided on the top of the housing 1. The top cover 16 is used to cover the locking hole 18 and the mounting hole 19, and can also cover the top of the assembly 7 to improve the overall aesthetics.

[0058] This utility model also relates to a door catch system, including a door body, a stop 8, and a door catch damping mechanism assembled to the back of the door body. The stop 8 is assembled to the wall or ground behind the door body. The stop is provided with a rotatably connected snap-fit ​​post 81, which is used to snap against the abutment 2 when the door body is opened to trigger damping, and can provide good shock absorption and damping effect for the door body to open.

[0059] In summary, the door catch damping mechanism and door catch system provided by this utility model have the following technical effects:

[0060] 1. By introducing damper 4, the door body receives a gradual buffering effect during opening, effectively reducing the instantaneous impact force between the door body and the door frame. This not only protects the door body from deformation that may be caused by severe collisions, but also improves the comfort and safety of use;

[0061] 2. The combined use of damper 4 and guide mechanism 11 ensures the stability and accuracy of the abutment 2 during movement. Guide mechanism 11 constrains the movement trajectory of abutment 2, making the direction of damping force consistent with the direction of movement of abutment 2, thereby improving the closing efficiency and reducing the shaking of the door during use;

[0062] 3. Because damper 4 provides smooth resistance, it reduces the impact and wear during door opening and closing, thus extending the service life of the door closer system. Furthermore, the design of damper 4 also helps reduce noise and vibration that may develop over long-term use;

[0063] 4. It also has lower manufacturing and maintenance costs, reducing the overall cost of use for users.

[0064] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A door-closing damping mechanism, characterized in that, include: A housing (1) is used to be assembled to the back side of a door. A guide mechanism (11) is provided on the housing (1). The side of the housing (1) assembled to the door is defined as the back of the housing (1). The guide mechanism (11) has a first end (12) close to the back and a second end (13) away from the back. A damper (4) is assembled inside the housing (1); The abutment (2) slides along the guide mechanism (11) and extends at least partially out of the housing (1) to form a locking groove (21) for abutting against the locking post (81) in the stop (8). When the abutment (2) moves toward the locking post (81), the locking groove (21) abuts against the locking post (81) so that the abutment (2) slides along the second end (13) of the guide mechanism (11) toward the first end (12), thereby triggering the damper (4).

2. The door suction damping mechanism according to claim 1, characterized in that, The housing (1) also includes a movable block (3), which is vertically slidably disposed within the housing (1) and located between the damper (4) and the abutment (2). The damper (4) is vertically disposed above the movable block (3). The movable block (3) is provided with a slide groove (31), which gradually slopes downward from away from the back to near the back; The abutment (2) is provided with a first slider (24) that slides in the slide groove (31), so that when the abutment (2) gradually moves towards the side closer to the back, it can slide down along the slide groove (31) and at the same time drive the movable block (3) to move up.

3. The door suction damping mechanism according to claim 2, characterized in that, The guide mechanism (11) includes a first guide section (111) and a second guide section (112) in sequence from near the back to away from the back. The first guide section (111) is a horizontal groove and the second guide section (112) is an inclined groove.

4. A door-closing damping mechanism according to claim 3, characterized in that, The abutment (2) is also provided with a second slider (25) and a third slider (26), which are spaced apart and slide along the guide mechanism (11).

5. A door-closing damping mechanism according to claim 4, characterized in that, When the abutment (2) is located at the first end (12) of the guide mechanism (11), the line connecting the second slider (25) and the third slider (26) is parallel to the first guide section (111). When the abutment (2) slides from the first end (12) of the guide mechanism (11) to the second end (13), at least one of the second slider (25) and the third slider (26) slides from the first guide section (111) to the second guide section (112).

6. A door-closing damping mechanism according to claim 1, characterized in that, The locking groove (21) is a U-shaped groove. When the abutting member (2) slides back and forth between the first end (12) and the second end (13), the locking post (81) abuts against both sides of the U-shaped groove.

7. A door-closing damping mechanism according to any one of claims 1-6, characterized in that, It also includes a reset member (5), which provides a reset force to the abutment (2) to slide toward the first end (12) when the abutment (2) is between the first end (12) and the second end (13).

8. A door-closing damping mechanism according to claim 1, characterized in that, An assembly (7) is also provided between the housing (1) and the door body, the assembly (7) including: The first assembly plate (71) is used to fix the door body; The second adjusting plate (72) is engaged with the first assembly plate (71) on one side and with the housing (1) on the other side. Fastener (73) is used to securely assemble the first mounting plate (71), the second adjusting plate (72) and the housing (1).

9. A door-closing damping mechanism according to claim 8, characterized in that, The assembly (7) also includes an adjusting member (6), which is arranged parallel to the fastener (73). The first assembly plate (71) is provided with an abutment part (712) corresponding to the adjusting member (6). The adjusting member (6) is used to adjust the relative height between the housing (1) and the first assembly plate (71).

10. A door catch system, characterized in that, The door includes a door body, a stop (8), and a door suction damping mechanism as described in any one of claims 1-9, which is assembled to the back of the door body. The stop (8) is assembled on the wall or ground behind the door body. The stop (8) is provided with a rotatably connected snap-fit ​​post (81) for snapping against the abutment (2) when the door is opened to trigger damping.

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