A synchronous pulling guide mechanism

Abstract

The utility model provides a kind of synchronous type pull guiding mechanism, including inner rail group, outer rail group, outer rail group includes fixed outer rail body, movable outer rail body, inner rail group is movably supported between fixed outer rail body, movable outer rail body, and inner rail group is equipped with synchronous control operating device, synchronous control operating device includes synchronous wheel, fixed rack, movable rack, fixed rack, movable rack are respectively installed in fixed outer rail body, movable outer rail body, the middle part of inner rail group is equipped with positioning hole, positioning hole is equipped with mounting shaft, synchronous wheel is assembled on mounting shaft and is rotated with the movement of inner rail group, and is engaged on fixed rack, movable rack simultaneously. Simple structure, high synchronism, improve operating stability, also convenient to disassemble, few components, reduce the space occupied, reduce product volume, expand the scope of application, while having buffering effect, reduce the generation of noise, ensure the use quality of product.

Description

Technical Field

[0001] This utility model relates to the technical field of guiding mechanisms, specifically a synchronous pull-out guiding mechanism. Background Technology

[0002] Pull-out guide mechanisms are used for drawers or similar pull-out guide devices and are applicable to furniture, filing cabinets, kitchen cabinets, bathroom cabinets, electromechanical cabinets, heavy-duty refrigerators, etc.

[0003] The existing pull-out guide mechanism has a lower rail, an upper rail, and a middle rail. The lower rail is mounted on the lower support plane of the middle rail, and the upper rail is mounted on the upper support plane of the middle rail. The lower rail and the upper rail are respectively equipped with a lower rack pulley frame and an upper rack pulley frame. The upper rack pulley frame and the lower rack slide rail frame are connected by gear transmission. The structure is simple and ensures the synchronization of the pull-out guide mechanism during operation.

[0004] However, the pull-out guide mechanism described above has the following shortcomings in practical applications:

[0005] 1) The existing pull-out guide mechanism has the gear directly installed on the middle rail by means of pin riveting, which is complicated to assemble and inconvenient to disassemble and maintain. At the same time, combined with the structure of the upper rack slide rail frame and the lower rack slide rail frame, it occupies a lot of space, resulting in a large product size and limited use.

[0006] 2) The existing pull-out guide mechanism is prone to generating significant noise due to collisions between the tracks during opening and closing, which can easily damage the product and reduce its service life. Utility Model Content

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a synchronous pull-out guide mechanism with a simple structure, high synchronization, improved operational stability, convenient disassembly and assembly, fewer parts, greatly reduced space occupation, reduced product size, expanded application range, and buffering effect to reduce noise generation and ensure product quality.

[0008] The objective of this invention is achieved as follows: A synchronous pull-out guide mechanism includes an inner rail group and an outer rail group. The outer rail group includes a fixed outer rail body and a movable outer rail body. The inner rail group is movably supported between the fixed outer rail body and the movable outer rail body. The inner rail group is provided with a synchronous control device for synchronizing the operation of the rail bodies. The synchronous control device includes a synchronous wheel, a fixed rack, and a movable rack. The fixed rack and the movable rack are respectively installed on the fixed outer rail body and the movable outer rail body. A positioning hole is provided in the middle of the inner rail group. An installation shaft is installed in the positioning hole. The synchronous wheel is adapted to be mounted on the installation shaft and rotates with the movement of the inner rail group while meshing with the fixed rack and the movable rack.

[0009] Based on the above optimization, the inner rail assembly includes a positioning inner rail and a connecting inner rail. The positioning inner rail and the connecting inner rail are fixedly connected, and the fixed outer rail body and the movable outer rail body are slidably connected to the positioning inner rail and the connecting inner rail, respectively.

[0010] Based on the above optimization, the middle part of the positioning inner rail and the middle part of the connecting inner rail are respectively punched with grooves. The positioning inner rail and the connecting inner rail are fixedly connected by a lock, and the grooves are connected side by side to form a positioning hole.

[0011] Based on the above optimization, the fixing rack is located in the inner groove of the fixing outer rail body, and the fixing outer rail body has several fastening holes. The fixing rack is provided with a fixing buckle block that is adapted to the fastening holes for fastening.

[0012] Based on the above optimization, the movable rack is located in the inner groove of the movable outer rail body, and the movable outer rail body has several fastening holes. The movable rack is provided with a fixing block that is adapted to the fastening holes for fastening.

[0013] Based on the above optimization, buffer limit blocks are integrally formed at both ends of the fixed rack and the movable rack.

[0014] Based on the above optimization, the fixed rack and the movable rack are respectively set as non-metallic racks with noise reduction function.

[0015] The advantages of this utility model are:

[0016] 1) The synchronous control device using this structure, through the assembly of the mounting shaft and positioning holes, allows the synchronous pulley to rotate in the middle of the inner rail assembly. The fixed rack and movable rack are respectively installed and removed from the fixed outer rail and the movable outer rail. This facilitates assembly and disassembly, reduces the number of components, significantly reduces space occupation, and lowers the product size. Simultaneously, during opening and closing operations, the synchronous pulley engages with the fixed rack and movable rack; this ensures high transmission stability, improves operational synchronization, guarantees reliability and practicality, and ensures product quality.

[0017] 2) The synchronous control device with this structure, based on the inherent characteristics of the fixed rack and the movable rack and in conjunction with the buffer limit block, has a buffering effect while ensuring transmission stability, reducing noise generation and improving the user experience of the product. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure in the closed state of a preferred embodiment of the present invention.

[0019] Figure 2 This is a cross-sectional view of the closed state of a preferred embodiment of the present invention.

[0020] Figure 3This is a schematic diagram of the structure in the open state of a preferred embodiment of the present invention.

[0021] Figure 4 This is a cross-sectional view of the preferred embodiment of the present invention in its open state.

[0022] Figure 5 This is a schematic diagram of a synchronous control operation device according to a preferred embodiment of the present invention (with the synchronous pulley removed).

[0023] Figure 6 This is an exploded view of a preferred embodiment of the present invention. Detailed Implementation

[0024] The present invention will now be further described with reference to the accompanying drawings.

[0025] According to the appendix Figures 1 to 6 As shown, the synchronous pull-out guide mechanism of this utility model includes an inner rail group and an outer rail group. The outer rail group includes a fixed outer rail body 1 and a movable outer rail body 2. The inner rail group is movably supported between the fixed outer rail body 1 and the movable outer rail body 2, and the inner rail group is provided with a synchronous control device for synchronizing the operation of the rail bodies. The synchronous control device includes a synchronous wheel 5, a fixed rack 6, and a movable rack 7. The fixed rack 6 and the movable rack 7 are respectively installed on the fixed outer rail body 1 and the movable outer rail body 2. The inner rail group has a positioning hole 8 in the middle, and a mounting shaft 9 is installed in the positioning hole 8. The synchronous wheel 5 is adapted to be mounted on the mounting shaft 9 and rotates with the movement of the inner rail group while meshing with the fixed rack 6 and the movable rack 7.

[0026] During the opening and closing action, the synchronous pulley 5 engages with the fixed rack 6 and the movable rack 7, resulting in high transmission stability. This enables the inner rail assembly, the movable outer rail 2, and the fixed outer rail 1 to operate synchronously, ensuring reliability, practicality, and product quality.

[0027] Reference Figures 1 to 6 As shown in the diagram, further detailed, the inner rail assembly includes a positioning inner rail 3 and a connecting inner rail 4. The positioning inner rail 3 and the connecting inner rail 4 are fixedly connected, and the fixed outer rail body 1 and the movable outer rail body 2 are slidably connected to the positioning inner rail 3 and the connecting inner rail 4, respectively.

[0028] The positioning inner rail 3 and the connecting inner rail 4 are respectively punched with grooves 81 in the middle. The positioning inner rail 3 and the connecting inner rail 4 are fixedly connected by a lock, and the grooves 81 are connected side by side to form a positioning hole 8.

[0029] Furthermore, the fixing rack 6 is located in the inner groove of the fixing outer rail body 1, and the fixing outer rail body 1 has a plurality of fastening holes 11. The fixing rack 6 is provided with a fixing buckle block 10 adapted to the fastening holes 11 for fastening.

[0030] Furthermore, the movable rack 7 is located in the inner groove of the movable outer rail 2, and the movable outer rail 2 has a plurality of fastening holes 11. The movable rack 7 is provided with a fixing block 10 adapted to the fastening holes 11 for fastening.

[0031] In this way, through the assembly of the mounting shaft 9 and the positioning hole 8, the synchronous wheel 5 rotates in the middle of the inner rail assembly, and the fixed rack 6 and the movable rack 7 are respectively installed and removed from the inner grooves of the fixed outer rail body 1 and the movable outer rail body 2. This facilitates disassembly and assembly, reduces the number of parts used, greatly reduces the space occupied, reduces the product size, and has a wide range of applications.

[0032] Reference Figures 1 to 6 As shown, in further detail, the fixed rack 6 and the movable rack 7 are each integrally formed with a buffer limiting block 12 at both ends.

[0033] Furthermore, the fixed rack 6 and the movable rack 7 are both non-metallic racks with noise reduction functions. For example, the fixed rack 6 and the movable rack 7 can be made of wear-resistant rubber.

[0034] The synchronous control device with this structure, based on the inherent characteristics of the fixed rack 6 and the movable rack 7, and in conjunction with the buffer limit block 12, provides a buffering effect while ensuring transmission stability, reducing noise generation and improving the user experience.

[0035] The above specific embodiments are only specific implementations of the present utility model with better effects. All structures that are the same as or equivalent to the synchronous pull-out guide mechanism of the present utility model are within the protection scope of the present utility model.

Claims

1. A synchronous pull-out guide mechanism, comprising an inner rail assembly and an outer rail assembly, characterized in that: The outer rail assembly includes a fixed outer rail body (1) and a movable outer rail body (2). The inner rail assembly is movably supported between the fixed outer rail body (1) and the movable outer rail body (2). The inner rail assembly is provided with a synchronous control device for synchronizing the operation of the rail bodies. The synchronous control device includes a synchronous wheel (5), a fixed rack (6), and a movable rack (7). The fixed rack (6) and the movable rack (7) are respectively installed on the fixed outer rail body (1) and the movable outer rail body (2). The middle part of the inner rail assembly is provided with a positioning hole (8). The positioning hole (8) is equipped with a mounting shaft (9). The synchronous wheel (5) is adapted to be mounted on the mounting shaft (9) and rotates with the movement of the inner rail assembly while meshing with the fixed rack (6) and the movable rack (7).

2. The synchronous pull-out guide mechanism according to claim 1, characterized in that: The inner rail assembly includes a positioning inner rail (3) and a connecting inner rail (4). The positioning inner rail (3) and the connecting inner rail (4) are fixedly connected. The fixed outer rail body (1) and the movable outer rail body (2) are slidably connected to the positioning inner rail (3) and the connecting inner rail (4), respectively.

3. The synchronous pull-out guide mechanism according to claim 2, characterized in that: The middle part of the positioning inner rail (3) and the middle part of the connecting inner rail (4) are respectively stamped with grooves (81). The positioning inner rail (3) and the connecting inner rail (4) are fixedly connected by a buckle, and the grooves (81) are connected side by side to form a positioning hole (8).

4. The synchronous pull-out guide mechanism according to claim 1, characterized in that: The fixed rack (6) is located in the inner groove of the fixed outer rail body (1), and the fixed outer rail body (1) has a plurality of fastening holes (11). The fixed rack (6) is provided with a fixed fastening block (10) adapted to fasten the fastening holes (11).

5. The synchronous pull-out guide mechanism according to claim 1, characterized in that: The movable rack (7) is located in the inner groove of the movable outer rail (2), and the movable outer rail (2) has a plurality of fastening holes (11). The movable rack (7) is provided with a fixing block (10) that is adapted to fasten the fastening holes (11).

6. The synchronous pull-out guide mechanism according to claim 1, characterized in that: Both ends of the fixed rack (6) and the movable rack (7) are integrally formed with buffer limit blocks (12).

7. The synchronous pull-out guide mechanism according to claim 1, characterized in that: The fixed rack (6) and the movable rack (7) are respectively configured as non-metallic racks with noise reduction function.

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