Limiting anti-collision device of sliding door

By designing and installing components such as slots, connecting grooves, connecting blocks, anti-collision parts, slide grooves, slide blocks and clamping columns in the limit collision prevention device of the sliding door, the coupling of the telescopic rod and compression springs solves the problem of the existing manual sliding door lacking anti-collision function, and achieves the effect of improving the safety and life of use.

CN222909771UActive Publication Date: 2025-05-27XINKE DOOR IND TIANJIN CO LTD
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Patent Information

Application Number
CN202421702593.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-27
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

The existing manual sliding door lacks effective anti-collision function, which makes it easy to collide with the inside of the door frame when closed, affecting the safety and life of use.

Method used

A limit collision prevention device is designed, including mounting grooves, connecting grooves, connecting blocks, anti-collision parts, sliding grooves, slide blocks and clamping columns on the inside of the door frame. By cooperating with the telescopic rod and compression spring, the anti-collision parts can be fixed and disassembled.

Benefits of technology

It effectively avoids collision with the inside of the door frame when the sliding door is closed, improves the safety and service life of the operation, and facilitates the maintenance and working efficiency of the anti-collision parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sliding doors, in particular to a limiting anti-collision device of a sliding door, which comprises a mounting groove arranged on the inner side of a door frame. A connecting groove is formed in the inner side of the mounting groove, a connecting block is clamped in the connecting groove, and an anti-collision piece is mounted at one end of the connecting block; a clamping hole is formed in the outer wall of the connecting block; a sliding groove is formed in the inner side of the installation groove, a sliding block is installed in the sliding groove, a connecting plate is fixed to one end of the sliding block, a clamping column clamped in the clamping hole is fixed to one end of the connecting plate, a telescopic rod is fixed to the inner wall of one side of the sliding groove, and the end, away from the sliding groove, of the telescopic rod is fixed to the sliding block. The anti-collision piece can prevent the sliding door from being in contact and collision with the inner side of the door frame when closed, the using safety of the sliding door is improved, and the service life is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of sliding doors, in particular to a limit anti-collision device for a sliding door. Background Technique

[0002] Sliding doors can be divided into electric sliding doors and manual sliding doors, which have the characteristics of multiple functions and are suitable for installation on various factory building structures. The door leaves can be manually and electrically switched. The controllable door leaves are generally single-track. They are divided into two types: lower load-bearing and upper load-bearing.

[0003] Sliding doors are widely used in commercial, industrial and household fields, such as shopping malls, factories, garages, etc. Existing manual sliding doors usually lack effective anti-collision functions. When the sliding door is closed, it is easy to collide with the inner side of the door frame, seriously affecting the use safety and service life of the sliding door.

[0004] Therefore, a limit anti-collision device for a sliding door is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a limit anti-collision device for a sliding door.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A limit anti-collision device for a sliding door, comprising:

[0008] An installation groove opened on the inner side of the door frame;

[0009] A connection groove is opened on the inner side of the installation groove, a connection block is clamped in the connection groove, and an anti-collision member is installed at one end of the connection block;

[0010] Card holes are opened on the outer wall of the connection block;

[0011] A sliding groove is opened on the inner side of the installation groove, a slider is installed in the sliding groove, a connecting plate is fixed at one end of the slider, and a clamping column clamped inside the card hole is fixed at one end of the connecting plate.

[0012] Preferably, a telescopic rod is fixed on the inner wall of one side of the sliding groove, and the end of the telescopic rod away from the sliding groove is fixed to the slider.

[0013] Preferably, a compression spring is arranged outside the telescopic rod, one end of the compression spring is fixed to the slider, and the other end of the compression spring is fixed to the inner wall of one side of the sliding groove.

[0014] Preferably, a sealing plate is connected to the inner side of the door frame, and the sealing plate is used to seal the installation groove.

[0015] Preferably, a perforation for the anti-collision member to pass through is opened on the sealing plate.

[0016] Preferably, a first connection hole is formed in the sealing plate, and a second connection hole matching the first connection hole is formed in the inner side of the door frame;

[0017] A first fixing bolt is connected in the first connection hole and the second connection hole.

[0018] Preferably, a connecting ear is connected to the outer side of the door frame, and a connecting strip is fixed to the bottom of the connecting ear;

[0019] A plurality of moving grooves are formed in the inner side of the connecting strip, and limiting wheels are installed in each of the plurality of moving grooves.

[0020] Preferably, a third connection hole is formed in the connecting ear, and a fourth connection hole matching the third connection hole is formed in the outer side of the door frame;

[0021] A second fixing bolt is connected in the third connection hole and the fourth connection hole.

[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0023] In the present utility model, by clamping the connecting block into the connecting groove, the anti-collision member can be preliminarily fixed. Subsequently, under the elastic force of the compression spring, the telescopic rod can be driven to perform a stretching movement. When the telescopic rod performs a stretching movement, the slider will move correspondingly in the sliding groove. When the slider moves, the clamping column will move. When one end of the clamping column is clamped into the clamping hole, the anti-collision member can be finally fixed. Compared with the existing ones, the present utility model is provided with an anti-collision member, which can prevent the sliding door from contacting and colliding with the inner side of the door frame when it is closed, improving the safety and service life of the sliding door.

[0024] In the present utility model, by driving the telescopic rod and the compression spring to perform a contraction movement, at this time, the slider will move correspondingly in the sliding groove. After one end of the clamping column is disengaged from the clamping hole, the anti-collision member can be disassembled, facilitating the maintenance of the anti-collision member and improving the working efficiency of the anti-collision member.

[0025] In the present utility model, the sealing plate is connected to the inner side of the door frame by the first fixing bolt, and the sealing plate seals the installation groove. On the one hand, it can improve the overall beauty of the door frame. On the other hand, it can prevent foreign objects from entering the installation groove, avoiding affecting the disassembly and assembly work of the anti-collision member and also improving the working efficiency of the anti-collision member.

[0026] In the present utility model, the connecting strip is connected to the outer side of the door frame by the second fixing bolt, and a plurality of moving grooves are formed in the inner side of the connecting strip, and limiting wheels are installed in each of the plurality of moving grooves. Under the action of the limiting wheels, the moving path of the sliding door can be limited, preventing the moving path of the sliding door from deviating and improving the running stability of the sliding door. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the overall structural schematic diagram of the present utility model;

[0028] Figure 2 is the schematic diagram of the connection structure of the anti-collision member in the present utility model;

[0029] Figure 3 is the schematic diagram of the connection structure of the limit wheel in the present utility model;

[0030] Figure 4 is the schematic diagram of the card hole structure in the present utility model.

[0031] In the figure: 1, door frame; 2, installation groove; 3, connection groove; 4, connection block; 5, anti-collision member; 6, sliding groove; 7, slider; 8, connecting plate; 9, clamping column; 10, card hole; 11, telescopic rod; 12, compression spring; 13, sealing plate; 14, through hole; 15, first connection hole; 16, second connection hole; 17, first fixing bolt; 18, connecting ear; 19, connecting strip; 20, activity groove; 21, limit wheel; 22, third connection hole; 23, second fixing bolt. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific embodiments.

[0034] Embodiment 1:

[0035] Please refer to Figure 1 , 2, 4, The present utility model provides a technical solution: To achieve the above object, the present utility model provides the following technical solution: A limit anti-collision device for a sliding door, comprising: an installation groove 2 opened on the inner side of the door frame 1; a connection groove 3 is opened on the inner side of the installation groove 2, a connection block 4 is clamped in the connection groove 3, and an anti-collision member 5 is installed at one end of the connection block 4; a clamping hole 10 is opened on the outer wall of the connection block 4; a sliding groove 6 is opened on the inner side of the installation groove 2, a slider 7 is installed in the sliding groove 6, a connecting plate 8 is fixed at one end of the slider 7, and a clamping column 9 clamped inside the clamping hole 10 is fixed at one end of the connecting plate 8. One inner wall of the sliding groove 6 is fixed with a telescopic rod 11, the end of the telescopic rod 11 away from the sliding groove 6 is fixed to the slider 7, a compression spring 12 is arranged outside the telescopic rod 11, one end of the compression spring 12 is fixed to the slider 7, and the other end of the compression spring 12 is fixed to one inner wall of the sliding groove 6. A sealing plate 13 is connected to the inner side of the door frame 1, the sealing plate 13 is used to seal the installation groove 2, a through hole 14 for the anti-collision member 5 to pass through is opened on the sealing plate 13, a first connection hole 15 is opened on the sealing plate 13, and a second connection hole 16 matching the first connection hole 15 is opened on the inner side of the door frame 1; A first fixing bolt 17 is connected in the first connection hole 15 and the second connection hole 16.

[0036] Specifically, in the present utility model, by clamping the connection block 4 into the connection groove 3, the anti-collision member 5 can be initially fixed. Subsequently, under the elastic force of the compression spring 12, the telescopic rod 11 can be driven to perform a stretching movement. When the telescopic rod 11 performs a stretching movement, the slider 7 will be driven to move correspondingly in the sliding groove 6. When the slider 7 moves, the clamping column 9 will be driven to move. When one end of the clamping column 9 is clamped into the clamping hole 10, the anti-collision member 5 can be finally fixed. Compared with the existing ones, in the present utility model, by providing the anti-collision member 5, the anti-collision member 5 can prevent the sliding door from contacting and colliding with the inner side of the door frame 1 when closing, improving the safety and service life of the sliding door.

[0037] In the present utility model, by driving the telescopic rod 11 and the compression spring 12 to perform a contraction movement, at this time, the slider 7 will move correspondingly in the sliding groove 6. After one end of the clamping column 9 disengages from the clamping hole 10, the anti-collision member 5 can be disassembled, facilitating the maintenance of the anti-collision member 5 and improving the working efficiency of the anti-collision member 5.

[0038] In the present utility model, the sealing plate 13 is connected to the inner side of the door frame 1 through the first fixing bolt 17, and the sealing plate 13 seals the installation groove 2. On the one hand, it can improve the overall aesthetics of the door frame 1, and on the other hand, it can prevent foreign objects from entering the inside of the installation groove 2, avoiding affecting the disassembly and assembly work of the anti-collision member 5 and also improving the working efficiency of the anti-collision member 5.

[0039] Embodiment 2:

[0040] Please refer to Figure 1 , 3, the present utility model provides a technical solution: a limit anti-collision device for a sliding door. A connecting ear 18 is connected to the outside of the door frame 1, and a connecting strip 19 is fixed to the bottom of the connecting ear 18; a plurality of movable slots 20 are formed in the inner side of the connecting strip 19, and a limit wheel 21 is installed in each of the plurality of movable slots 20. A third connecting hole 22 is formed in the connecting ear 18, and a fourth connecting hole matching with the third connecting hole 22 is formed in the outside of the door frame 1; a second fixing bolt 23 is connected in the third connecting hole 22 and the fourth connecting hole.

[0041] Specifically, the present utility model connects the connecting strip 19 to the outside of the door frame 1 through the second fixing bolt 23, and a plurality of movable slots 20 are formed in the inner side of the connecting strip 19, and a limit wheel 21 is installed in each of the plurality of movable slots 20. Under the action of the limit wheel 21, the moving path of the sliding door can be limited, avoiding the deviation of the moving path of the sliding door and improving the running stability of the sliding door.

[0042] Working principle:

[0043] First, by clamping the connecting block 4 into the connecting slot 3, the anti-collision member 5 can be preliminarily fixed. Subsequently, under the elastic force of the compression spring 12, the telescopic rod 11 can be driven to perform a stretching movement. When the telescopic rod 11 performs a stretching movement, the slider 7 will move correspondingly in the sliding slot 6. When the slider 7 moves, the clamping column 9 will move. When one end of the clamping column 9 is clamped into the clamping hole 10, the anti-collision member 5 can be finally fixed. Compared with the existing ones, the present utility model is provided with the anti-collision member 5, and the anti-collision member 5 can prevent the sliding door from contacting and colliding with the inner side of the door frame 1 when closing, improving the safety and service life of the sliding door.

[0044] Secondly, by driving the telescopic rod 11 and the compression spring 12 to perform a contraction movement, at this time, the slider 7 will move correspondingly in the sliding slot 6. After one end of the clamping column 9 is disengaged from the clamping hole 10, the anti-collision member 5 can be disassembled, facilitating the maintenance of the anti-collision member 5 and improving the working efficiency of the anti-collision member 5.

[0045] Finally, the sealing plate 13 is connected to the inner side of the door frame 1 through the first fixing bolt 17, and the sealing plate 13 seals the installation slot 2. On the one hand, it can improve the overall aesthetics of the door frame 1, and on the other hand, it can prevent foreign objects from entering the inside of the installation slot 2, avoiding affecting the disassembly and assembly work of the anti-collision member 5 and also improving the working efficiency of the anti-collision member 5;

[0046] The connecting strip 19 is connected to the outside of the door frame 1 through the second fixing bolt 23, and a plurality of movable slots 20 are formed in the inner side of the connecting strip 19, and a limit wheel 21 is installed in each of the plurality of movable slots 20. Under the action of the limit wheel 21, the moving path of the sliding door can be limited, avoiding the deviation of the moving path of the sliding door and improving the running stability of the sliding door.

[0047] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present utility model.

[0048] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the description in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A position limiting and anti-collision device for a sliding door, characterized in that: include: A mounting groove (2) is provided on the inner side of the door frame (1); A connecting groove (3) is provided inside the installation groove (2), a connecting block (4) is clamped inside the connecting groove (3), and an anti-collision member (5) is installed at one end of the connecting block (4); The outer wall of the connecting block (4) is provided with a clamping hole (10); A slide groove (6) is provided inside the installation groove (2), a slider (7) is installed inside the slide groove (6), a connecting plate (8) is fixed to one end of the slider (7), and a clamping column (9) clamped in the clamping hole (10) is fixed to one end of the connecting plate (8).

2. A position limiting and anti-collision device for a sliding door according to claim 1, characterized in that: A telescopic rod (11) is fixed to an inner wall of one side of the slide groove (6), and one end of the telescopic rod (11) away from the slide groove (6) is fixed to the sliding block (7).

3. The position limiting and anti-collision device for a sliding door according to claim 2, characterized in that: A compression spring (12) is provided outside the telescopic rod (11), one end of the compression spring (12) is fixed to the slider (7), and the other end of the compression spring (12) is fixed to the inner wall of one side of the slide groove (6).

4. The position limiting and anti-collision device for a sliding door according to claim 1, characterized in that: A sealing plate (13) is connected to the inner side of the door frame (1), and the sealing plate (13) is used to seal the installation groove (2).

5. The position limiting and anti-collision device for a sliding door according to claim 4, characterized in that: The sealing plate (13) is provided with a through hole (14) for the anti-collision component (5) to pass through.

6. The position limiting and anti-collision device for a sliding door according to claim 5, characterized in that: The sealing plate (13) is provided with a first connection hole (15), and the inner side of the door frame (1) is provided with a second connection hole (16) matching with the first connection hole (15); A first fixing bolt (17) is connected inside the first connecting hole (15) and the second connecting hole (16).

7. The position limiting and anti-collision device for a sliding door according to claim 1, characterized in that: The outer side of the door frame (1) is connected with a connecting ear (18), and the bottom of the connecting ear (18) is fixed with a connecting strip (19); A plurality of movable grooves (20) are provided on the inner side of the connecting strip (19), and limiting wheels (21) are installed inside the plurality of movable grooves (20).

8. The position limiting and anti-collision device for a sliding door according to claim 7, characterized in that: The connecting ear (18) is provided with a third connecting hole (22), and the outer side of the door frame (1) is provided with a fourth connecting hole matching the third connecting hole (22); The third connecting hole (22) and the fourth connecting hole are connected with a second fixing bolt (23).