Semi-automatic pocket door system

Abstract

The utility model discloses a semi-automatic pocket door system which comprises an upward hanging type guide rail, a bearing assembly, a speed limiter, a door closing driver and a rack, the guide rail extends out of a pocket wall, the rack is fixed below the guide rail, and the semi-automatic pocket door system is characterized in that other parts except the guide rail and the rack are all located on the door opening side in the door closing state; the door closing driver is located at the tail end of the guide rail on the door opening side and provided with a driver supporting piece, the driver supporting piece is fixed in a cavity of the guide rail, and the door closing driver is connected with the guide rail through the driver supporting piece. The upper portions of the bearing assemblies are hung on the guide rails through pulleys, and the lower portions of the bearing assemblies are fixedly connected with a sliding door plate. A speed limiter is arranged on the bearing assembly close to one side of the door closing driver, and a traction rope pulled out of the door closing driver is hung on the bearing assembly; the speed limiter is provided with a gear meshed with the rack. The pocket door does not need to be provided with an access hole, and convenient installation and later maintenance and replacement of the pocket door are achieved.

Description

A semi-automatic pocket door system Technical Field

[0001] This utility model relates to a sliding door, specifically a semi-automatic sliding door, and more particularly to a semi-automatic pocket door system for a pocket-type hidden sliding door structure. Background Technology

[0002] While most sliding doors are manually operated, semi-automatic sliding door systems are becoming increasingly popular in places like restrooms, clinics, shopping malls, and hospitals due to the demand for efficient and convenient use as well as environmental protection and energy conservation.

[0003] Traditional semi-automatic sliding doors employ a hook-type design, with the track typically being J-shaped, and related components usually installed at both ends of the track. For example, Chinese utility model patent CN201794452U discloses a semi-automatic sliding door, including a guide rail, a trolley (equipped with pulleys), a door leaf clamp, and a telescopic traction box installed at one end of the guide rail. The telescopic traction box contains a linked telescopic traction line and an elastic reset device. The telescopic traction line is fixed to the trolley and is pulled out of the telescopic traction box as the trolley slides. The elastic reset device retracts the telescopic traction line back into the telescopic traction box and pulls the trolley and the door leaf back to their initial positions. As can be seen from its embodiment (sections

[0044] -

[0045] ) in conjunction with the accompanying drawings, a telescopic traction box is fixedly installed at one end of the door's guide rail, and a limiter is fixedly installed at the other end. That is to say, components need to be installed at both ends of the guide rail.

[0004] Therefore, this structure is more suitable for traditional external semi-automatic sliding doors. However, when applied to pocket door structures, an access panel needs to be installed on the wall at the other end of the corresponding guide rail. This makes installation and subsequent maintenance more complicated and also affects the overall aesthetics.

[0005] There is a need for a semi-automatic sliding door system specifically designed for pocket doors, which, in addition to improving the aforementioned problems, also enables easy installation and provides convenience for later maintenance and replacement. Summary of the Invention

[0006] The purpose of this invention is to provide a semi-automatic pocket door system that achieves semi-automatic sliding without requiring the installation of components on the inside of the wall or the opening of inspection holes in the wall, thus facilitating installation and maintenance.

[0007] To achieve the above-mentioned invention objectives, the technical solution adopted by this utility model is: a semi-automatic pocket door system, including an overhead guide rail, a load-bearing component, a speed limiter, a door closing actuator, and a rack, wherein the guide rail extends from the pocket wall and the rack is fixed below the guide rail;

[0008] When the door is closed, all components except the guide rail and rack are located on the side of the door opening;

[0009] The door closing actuator is located at the end of the guide rail on the side of the door opening and is provided with an actuator support plate. The actuator support plate is fixed in the guide rail cavity, and the door closing actuator is connected to the guide rail through the actuator support plate.

[0010] Two sets of load-bearing components are provided. The upper part of the load-bearing components is suspended on the guide rail by pulleys, and the lower part of the load-bearing components is fixedly connected to the sliding door panel.

[0011] A speed limiter is installed on the load-bearing component near the door closing actuator, and a traction rope pulled out from the door closing actuator is attached there.

[0012] The speed limiter has a gear that meshes with the rack.

[0013] The entire system, through the above arrangement and the coordinated adjustment of its components, achieves a stable, semi-automatic pocket door system. In this technical solution, the door closer actuator is positioned at the end of the guide rail on the side of the doorway, cooperating with the nearby load-bearing component. When the door is manually opened, the actuator stores energy; upon release, it pulls the door panel to close. Simultaneously, the speed limiter on the load-bearing component ensures stable sliding of the door panel. Furthermore, the door closer actuator is fixedly connected to the guide rail via an actuator support plate, its fixed position within the guide rail cavity, without affecting external installations, facilitating installation and maintenance.

[0014] In the above technical solution, the guide rail is an aluminum profile with a C-shaped cross-section and an opening facing downwards. The inner cavity of the aluminum profile accommodates the pulley and restricts the running trajectory of the pulley.

[0015] In a preferred embodiment, the load-bearing component includes a pulley or pulley block, a connector, a hanging plate, and multiple fasteners. The pulley or pulley block is installed on the upper end of the connector and suspended on the guide rail. The hanging plate is mounted on the lower end of the connector and is fixedly connected to the door panel of the sliding door.

[0016] A further technical solution is that the upper end of the connector has two threaded longitudinal deep holes on both sides and a through hole in the middle of the upper end. The pulley or pulley group is fixed by screws or bolts through these three holes.

[0017] In the above technical solution, a threaded through hole is provided at the center of the lower end of the connector. The hanging piece installed on the sliding door is suspended on the connector by bolts and fixed by nuts.

[0018] In a preferred embodiment, the connector has a mounting hole parallel to the door panel in the middle, the speed limiter body is installed in the mounting hole, and the gear of the speed limiter extends out of one side of the connector and meshes with the rack below the guide rail.

[0019] Preferably, the speed limiter has a mounting portion that abuts against one side of the connecting piece and is fixed to the connecting piece by fasteners.

[0020] In the above technical solution, the connector has hook-shaped structures on both sides for attaching the traction rope of the door closing driver. The hook-shaped structures on both sides allow for adjustment of the connection direction according to the door opening direction.

[0021] In a preferred embodiment, the driver support plate has a guide plate at each of its front and rear ends to guide the support plate to slide into the guide rail and lie flat in the inner cavity of the rail. The driver support plate body has threaded holes at its four corners for fixing the driver support plate to the bottom of the guide rail. The body body has four holes in the center for fixing and connecting the door closing driver.

[0022] In the above technical solution, the guide plate can be obtained by extending and bending the two ends of the main body of the driver support plate, and the guide plate and the main body are an integral structure.

[0023] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0024] 1. In this invention, the guide rail extends from the pocket wall. The guide rail located inside the pocket wall requires no installation of any semi-automatic door system components; all related components are placed in the doorway. This design facilitates convenient installation and subsequent maintenance and replacement. Furthermore, this invention can also be used for external sliding doors, and is not limited to pocket doors.

[0025] 2. The guide rail of this utility model adopts an inverted C-shaped design, which can be better integrated into the ceiling. Furthermore, this design effectively solves the limitation of the hook-type J-shaped guide rail design commonly used in automatic doors, which can only be installed and maintained in a specific position. The guide rail does not obstruct any side, maintaining transparency for installing the drive unit and speed limiter, allowing installation and maintenance from both the front and back of the door. In addition, since the guide rail is concealed within the ceiling, the track is not entirely exposed, preventing the accumulation of dust and dirt that could cause the door to slide unevenly.

[0026] 3. The load-bearing component of this utility model uses the connector as the core of the entire design. It connects every component in the system together and hangs below the guide rail for easy installation and replacement. This connector has a pulley on top; hooks on both sides for hanging the traction rope of the door closing drive; a hollowed-out circular ring in the center of the front of the connector for installing the speed limiter; and a hexagonal bolt can be inserted into the lower end of the connector through a threaded through hole at the bottom, and the hanging plate can be tightened by the cooperation of the nut.

[0027] 4. The connectors are hung below the guide rail, allowing installation on both the inside and outside of the door. Even after installation, if the direction of the movable door frame needs to be changed, there is no need to disassemble the door panel or wall; simply reverse the position of the speed limiter and rack. In contrast, semi-automatic doors on the market typically cannot be reversed or adjusted within a pocket wall. Once installed, if problems arise, the only solution is to remove the wall and redo the installation. Pocket doors are usually installed during the rough-hewn stage, and problems are often difficult to detect before the door panel is installed, only becoming apparent during the finishing carpentry stage. This design completely avoids this problem. Attached Figure Description

[0028] Figure 1 is a usage diagram of an embodiment of this utility model;

[0029] Figure 2 is a partially enlarged schematic diagram of the side in Figure 1 where the door closer actuator is installed;

[0030] Figure 3 is a schematic diagram of the assembly of the load-bearing components in the embodiment;

[0031] Figure 4 is a schematic diagram of the speed limiter being installed on the load-bearing component in the embodiment.

[0032] Figure 5 is an assembly view of the door closing actuator and the actuator support plate in the embodiment.

[0033] The components include: 1. Guide rail; 2. Door closer actuator; 3. Rack; 4. Load-bearing component; 5. Speed ​​limiter; 6. Door panel; 7. Pocket wall; 8. Pulley; 9. Connector; 10. Hanging plate; 11. Bolt; 12. Nut; 13. Speed ​​limiter; 14. Actuator support plate; 15. Traction rope; 16. Fastener. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0035] Example: As shown in Figure 1, this utility model is a semi-automatic pocket door system, which is equipped with only the guide rail 1 and the rack 3 inside the pocket wall 7, while other components are placed on the accessible door opening side.

[0036] In Figure 1, rack 3 is installed below guide rail 1, and its length is approximately the same as the width of the door opening. The purpose of this design is to ensure that rack 3 can stably engage with speed limiter 5 installed on load-bearing component 4 throughout the entire movement of door panel 6, thereby effectively controlling the sliding speed of door panel 6.

[0037] The door closer actuator 2 is located at the front end of the guide rail 1. The traction rope 15 pulled out from the door closer actuator 2 is hung on the connector 9 of the load-bearing component 4 which is equipped with the speed limiter 5, and the door panel 6 is lifted by the hanging plates 10 on the two load-bearing components.

[0038] Referring to Figure 2, the guide rail 1 is an aluminum profile with a C-shaped cross-section and an opening facing downwards. The inner cavity of the aluminum profile accommodates the pulley and restricts the running trajectory of the pulley.

[0039] As shown in Figure 3, the load-bearing component includes a pulley 8, a connector 9, a suspension plate 10, a bolt 11, a nut 12, and several fasteners 16 of different sizes. The connector 9 is the core component, exhibiting a symmetrical structure. The upper end of the connector 9 has two threaded holes and one through hole, corresponding to the holes on the pulley body, and is connected and fixed by the fasteners 16. The connector 9 has a hollowed-out circular ring (circular hole) at its center, with threaded through holes at the five and seven o'clock positions. Hooks are located on both sides of the lower end of the connector for easily hanging the drive's traction rope. A threaded through hole is located on the lower side of the connector for inserting a bolt, allowing the suspension plate to be hung on the hexagonal head of the bolt and secured with a nut.

[0040] As shown in Figure 4, the hollowed-out circular ring at the center of the connector in the load-bearing assembly is specifically designed to house the speed limiter 13, and is secured by two fasteners 16. The speed limiter is installed on the load-bearing assembly near the door closing actuator, and its gear meshes with the rack on the guide rail. The speed limiter has an adjustable speed function, which controls the impact force generated by the pulling force during the door panel's resetting and sliding process through the meshing of the speed limiter's gear and rack.

[0041] As shown in Figure 5, the door closer actuator 2 is equipped with an actuator support plate 14. Fasteners 16 secure the door closer actuator to the bottom of the support plate body through four through holes in the center of the support plate body. Four threaded holes are located at the four corners of the support plate body for installing another set of fasteners. After placing the door closer actuator under the guide rail, these four fasteners firmly secure the actuator support plate upwards to the bottom of the guide rail. The door closer actuator has an adjustable pulling force function, which uses a reset device inside the actuator to extend and retract the traction rope 15 to ensure the door panel remains closed. Through the coordination and adjustment of this door closer actuator with the speed limiter, it can flexibly adapt to the width and weight of commonly used door panels on the market, maximizing the satisfaction of most users' requirements.

Claims

1. A semi-automatic pocket door system, comprising a suspended guide rail, a load-bearing component, a speed limiter, a door closing actuator, and a rack, wherein the guide rail extends from the pocket wall, and the rack is fixed below the guide rail, characterized in that: When the door is closed, all components except the guide rail and rack are located on the door opening side; the door closing actuator is located at the end of the guide rail on the door opening side, and is provided with an actuator support plate, which is fixed in the guide rail cavity, and the door closing actuator is connected to the guide rail via the actuator support plate; there are two sets of load-bearing components, the upper part of which is suspended on the guide rail by pulleys, and the lower part of which is fixedly connected to the sliding door panel; a speed limiter is provided on the load-bearing component near the door closing actuator, and a traction rope pulled out from the door closing actuator is attached thereto; the speed limiter has a gear that meshes with the rack.

2. The semi-automatic pocket door system according to claim 1, characterized in that: The guide rail is an aluminum profile with a C-shaped cross-section and an opening facing downwards. The inner cavity of the aluminum profile accommodates the pulley and restricts the pulley's running trajectory.

3. The semi-automatic pocket door system according to claim 1, characterized in that: The load-bearing component includes pulleys or pulley blocks, connectors, hangers, and multiple fasteners. The pulleys or pulley blocks are installed on the upper end of the connectors and suspended on the guide rail. The hangers are installed on the lower end of the connectors and are fixedly connected to the door panel of the sliding door.

4. The semi-automatic pocket door system according to claim 3, characterized in that: The connector has two threaded deep longitudinal holes on both sides of its upper end and a through hole in the middle of its upper end. The pulley or pulley block is fixed through these three holes by screws or bolts.

5. The semi-automatic pocket door system according to claim 3, characterized in that: The connector has a threaded through hole at the center of its lower end. The hanging piece installed on the sliding door is suspended on the connector by bolts and fixed by nuts.

6. The semi-automatic pocket door system according to claim 3, characterized in that: The connector has a mounting hole parallel to the door panel in the middle. The speed limiter body is installed in the mounting hole. The gear of the speed limiter extends out of one side of the connector and meshes with the rack below the guide rail.

7. The semi-automatic pocket door system according to claim 6, characterized in that: The speed limiter has a mounting portion that abuts against one side of the connecting piece and is fixed to the connecting piece by fasteners.

8. The semi-automatic pocket door system according to claim 3, characterized in that: The connector has hook-shaped structures on both sides to attach the traction rope of the door closing actuator.

9. The semi-automatic pocket door system according to claim 1, characterized in that: The driver support plate has a guide plate at each of its front and rear ends to guide the support plate to slide into the guide rail and lie flat in the inner cavity of the rail. The driver support plate has threaded holes at the four corners of its main body to fix the driver support plate under the guide rail. The main body has four holes in the center for fixing and connecting the door closing driver.

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