Adjustable limiting device for sliding door
By designing an adjustable limiting device, the stepper motor and drive motor drive the screw and moving parts to rotate, the problem of sliding door not being closed and stuck during use is solved, and the flexible installation of sliding doors and adaptation of door panels is realized to ensure the normal closing and alignment of the door.
Patent Information
- Application Number
- CN202421191199.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-28
AI Technical Summary
When using a sliding door, it is easy to cause the track to be scratched and the sliding door is stuck due to the offset of the sliding door base.
An adjustable limiting device for sliding doors is designed, including a fixing member, a double-headed adjustment screw, a movable member, a moving member and a positioning member. The screw and the moving member are driven to rotate through the stepper motor and the drive motor to achieve limit adjustment and door panel alignment.
It realizes flexible installation and adjustment of sliding doors, avoids jamming, and facilitates the size of sliding door panels to ensure normal closing and alignment of the door.
Smart Images

Figure CN222848000U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sliding doors, in particular to an adjustable limiting device for sliding doors. Background Art
[0002] Most of the sliding doors are electric sliding doors, which are multifunctional and suitable for installation on various factory building structures. This type of door leaf can be switched manually or electrically. The controllable door leaf is generally a single track. It is divided into two types: lower load-bearing and upper load-bearing. Sliding doors are a kind of protective door used for entrances and exits. They are mainly used in wider buildings. During use, it is easy to go out of the track and not be controlled. Sometimes the sliding door will get stuck due to the displacement of the sliding door base. Utility Model Content
[0003] The purpose of the utility model is to provide an adjustable limit device for a sliding door to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable limit device for a sliding door, comprising two fixing parts, one end of each of the two fixing parts is installed with a fixing block, a double-headed adjusting screw is movably installed between the two fixing blocks through a bearing, the outer sides of both ends of the double-headed adjusting screw are provided with a movable part movably installed through a thread, the upper end of the movable part is installed with a mounting part, the mounting part and the fixing part are movably connected through a sliding groove, a mounting groove is opened on the upper end surface of the mounting part, a movable screw is movably installed on the inner side of the mounting groove through a bearing, a movable part is movably installed on the outer side of the movable screw through a thread, the movable part is movably connected with the mounting part through the sliding groove, a connecting part is installed at the upper end of the two movable parts, and a positioning part and a positioning block are respectively installed at the upper ends of the two connecting parts, and the positioning part and the positioning block are matched to be connected.
[0005] Preferably, a limiting slide rail is installed on a side of the fixed part close to the movable part, a limiting groove is provided on a side of the movable part close to the mounting part, and the limiting slide rail is movably connected with the limiting groove through the slide groove.
[0006] Preferably, a stepper motor is mounted on one side of the fixing member via a mounting seat, and an output shaft end of the stepper motor is fixedly connected to a rotating shaft where a double-headed adjusting screw is located.
[0007] Preferably, the inner side walls of the installation groove are provided with limiting slide grooves, and limiting blocks are installed on both sides of the movable member near one end of the limiting slide grooves, and the limiting blocks are movably connected with the limiting slide grooves through the slide grooves.
[0008] Preferably, a driving motor is mounted on one side of the mounting member via a mounting seat, and an output shaft end of the driving motor is fixedly connected to a rotating shaft where the moving screw is located.
[0009] Preferably, a positioning rod is installed on a side of the positioning member close to the positioning block, a positioning hole is opened on a side of the positioning block close to the positioning member, and the positioning rod is matched and connected with the positioning hole.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model is installed in the corresponding position through the fixing part, and the door panel of the sliding door is installed on one side of the connecting part, so as to realize the installation of the sliding door. When the sliding door needs to be adjusted and limited according to the needs, the double-headed adjusting screw is driven to rotate by starting the stepping motor, thereby driving the movable part to move on one side of the fixing part, so that it is convenient to install the sliding door according to the installation needs, and it is also convenient to install according to the size of the sliding door panel. The moving screw is driven to rotate by starting the driving motor, thereby driving the moving part to move, so that the sliding door panel can be driven into the cousin, so that the sliding door panel is adjusted according to the needs. At the same time, the positioning part and the positioning block at the upper end of the connecting part can facilitate the alignment of the sliding door when it is closed. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 The utility model is a schematic diagram of the installation structure of the active parts and the moving parts.
[0014] In the figure: fixing part 1; fixing block 2; double-headed adjusting screw 3; movable part 4; mounting part 5; mounting groove 6; moving screw 7; moving part 8; connecting part 9; positioning part 10; positioning block 11; limiting slide rail 12; limiting groove 13; stepping motor 14; limiting slide groove 15; limiting block 16; driving motor 17; positioning rod 18; positioning hole 19. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1-2The utility model provides a technical solution: an adjustable limit device for a sliding door, comprising two fixing members 1, a fixing block 2 is installed at one end of the two fixing members 1, a double-headed adjusting screw 3 is movably installed between the two fixing blocks 2 through a bearing, a movable member 4 is movably installed on the outer sides of both ends of the double-headed adjusting screw 3 through a thread, a mounting member 5 is installed on the upper end of the movable member 4, the mounting member 5 and the fixing member 1 are movably connected through a slide groove, a mounting groove 6 is opened on the upper end surface of the mounting member 5, a moving screw 7 is movably installed on the inner side of the mounting groove 6 through a bearing, a moving member 8 is movably installed on the outer side of the moving screw 7 through a thread, the moving member 8 is movably connected to the mounting member 5 through the slide groove, a connecting member 9 is installed on the upper ends of the two moving members 8, a positioning member 10 and a positioning block 11 are respectively installed on the upper ends of the two connecting members 9, and the positioning member 10 and the positioning block 11 are matched and connected.
[0017] Preferably, a limiting slide rail 12 is installed on a side of the fixing member 1 close to the movable member 4 , a limiting groove 13 is provided on a side of the movable member 4 close to the mounting member 5 , and the limiting slide rail 12 is movably connected to the limiting groove 13 via the groove.
[0018] Preferably, a stepper motor 14 is mounted on one side of the fixing member 1 via a mounting seat, and an output shaft end of the stepper motor 14 is fixedly connected to a rotating shaft where the double-headed adjusting screw 3 is located.
[0019] Preferably, the inner side walls of the installation groove 6 are provided with limiting slide grooves 15 , and limiting blocks 16 are installed on both sides of the movable member 8 near one end of the limiting slide grooves 15 , and the limiting blocks 16 are movably connected to the limiting slide grooves 15 through the slide grooves.
[0020] Preferably, a driving motor 17 is installed on one side of the mounting member 5 via a mounting seat, and an output shaft end of the driving motor 17 is fixedly connected to a rotating shaft where the moving screw rod 7 is located.
[0021] Preferably, a positioning rod 18 is installed on a side of the positioning member 10 close to the positioning block 11 , and a positioning hole 19 is opened on a side of the positioning block 11 close to the positioning member 10 , and the positioning rod 18 is matched and connected with the positioning hole 19 .
[0022] Specifically, when using the utility model, the device is installed in the corresponding position through the fixing part 1, and the door panel of the sliding door is installed on one side of the connecting part 9, so as to realize the installation of the sliding door. When the sliding door needs to be adjusted and limited as needed, the double-headed adjusting screw 3 is driven to rotate by starting the stepping motor 14, thereby driving the movable part 4 to move on one side of the fixing part 1, so as to facilitate the installation of the sliding door according to the installation needs, and also facilitate the installation according to the size of the sliding door panel. By starting the driving motor 17, the movable screw 7 is driven to rotate, thereby driving the movable part 8 to move, so that the sliding door panel can be driven to move, so as to facilitate the adjustment of the sliding door panel as needed. At the same time, the positioning part 10 and the positioning block 11 at the upper end of the connecting part 9 can facilitate the alignment of the sliding door when it is closed.
Claims
1. An adjustable limit device for a sliding door, comprising two fixing members (1), characterized in that: A fixed block (2) is installed at one end of the two fixing members (1), a double-headed adjusting screw (3) is movably installed between the two fixing blocks (2) through a bearing, a movable member (4) is movably installed on the outer sides of both ends of the double-headed adjusting screw (3) through a thread, a mounting member (5) is installed on the upper end of the movable member (4), the mounting member (5) and the fixing member (1) are movably connected through a slide groove, a mounting groove (6) is provided on the upper end surface of the mounting member (5), a movable screw (7) is movably installed on the inner side of the mounting groove (6) through a bearing, a movable member (8) is movably installed on the outer side of the movable screw (7) through a thread, the movable member (8) is movably connected to the mounting member (5) through the slide groove, a connecting member (9) is installed on the upper end of the two movable members (8), a positioning member (10) and a positioning block (11) are respectively installed on the upper ends of the two connecting members (9), and the positioning member (10) and the positioning block (11) are matched and connected.
2. The adjustable limit device for sliding door according to claim 1, characterized in that: A limiting slide rail (12) is installed on the side of the fixed part (1) close to the movable part (4), and a limiting groove (13) is provided on the side of the movable part (4) close to the mounting part (5). The limiting slide rail (12) is movably connected to the limiting groove (13) via the slide groove.
3. The adjustable limit device for sliding door according to claim 1, characterized in that: A stepper motor (14) is mounted on one side of the fixing member (1) via a mounting seat, and an output shaft end of the stepper motor (14) is fixedly connected to a rotating shaft where the double-headed adjusting screw (3) is located.
4. The adjustable limit device for a sliding door according to claim 1, characterized in that: The inner side walls of the installation groove (6) are provided with limit sliding grooves (15), and limit blocks (16) are installed on both sides of the movable member (8) near one end of the limit sliding grooves (15), and the limit blocks (16) are movably connected to the limit sliding grooves (15) through the sliding grooves.
5. The adjustable limit device for a sliding door according to claim 1, characterized in that: A drive motor (17) is mounted on one side of the mounting member (5) via a mounting seat, and an output shaft end of the drive motor (17) is fixedly connected to a rotating shaft where the moving screw rod (7) is located.
6. The adjustable limit device for a sliding door according to claim 1, characterized in that: A positioning rod (18) is installed on one side of the positioning member (10) close to the positioning block (11), a positioning hole (19) is opened on one side of the positioning block (11) close to the positioning member (10), and the positioning rod (18) is matched and connected with the positioning hole (19).