Synchronous transmission mechanism for slide rails

Abstract

The utility model provides a kind of synchronous transmission mechanism for slide rail, including left slide rail and right slide rail, and synchronous transmission device is equipped between left slide rail and right slide rail, left slide rail includes left movable rail body, left middle rail body, left fixed rail body sequentially slidingly connected, right slide rail includes right movable rail body, right middle rail body, right fixed rail body sequentially slidingly connected, synchronous transmission device includes left connection synchronous seat, right connection synchronous seat, synchronous transmission part, left transmission wheel group, right transmission wheel group, left middle rail body and right middle rail body are respectively equipped with the left positioning clamping piece, right positioning clamping piece for clamping synchronous transmission part, synchronous transmission part is respectively connected with left connection synchronous seat, left transmission wheel group, left positioning clamping piece, right connection synchronous seat, right transmission wheel group, right positioning clamping piece, to form the transmission path with head-tail annular connection. Simple structure, high synchronization performance, transmission is smooth, improve operating stability, reduce the phenomenon of shaking when operating, ensure the use quality of product.

Description

Technical Field

[0001] This utility model relates to the technical field of slide rails, specifically a synchronous transmission mechanism for slide rails. Background Technology

[0002] Drawer slides are used for drawers or similar pull-out products and are suitable for furniture, filing cabinets, kitchen cabinets, bathroom cabinets, electrical cabinets, heavy-duty refrigerators, etc.

[0003] The existing slide rail has a movable rail body, a middle rail body, and a fixed rail body. The fixed rail body is fitted onto the lower part of the middle rail body and a support plane is installed thereon. The movable rail body is fitted onto the upper part of the middle rail body and a support plane is installed thereon.

[0004] However, the slide rails with the above-mentioned structure have the following shortcomings in practical applications:

[0005] 1) The existing drawer slides have uneven force on the left and right sides during opening and closing, causing the left and right sides of the slides to run asynchronously. This results in the slides not sliding smoothly, poor running stability, and even jamming, which seriously affects the normal use of the product.

[0006] 2) During the opening and closing process, the middle rail of the existing slide rail will be unstable and wobble from side to side, which will cause it to collide with the moving rail and the fixed rail, generating a lot of noise, reducing the user experience, and easily damaging the product, thus reducing its service life.

[0007] 3) If a synchronous running mechanism with rack and pinion is added to the existing slide rail, the structure will be complex, the assembly precision will be high, and the application will be limited. Utility Model Content

[0008] The purpose of this invention is to overcome the shortcomings of the prior art and provide a synchronous transmission mechanism for slide rails. This mechanism has a simple structure, high synchronization performance, smooth transmission, improved operational stability, reduced shaking during operation, and ensured product quality.

[0009] The objective of this invention is achieved as follows: A synchronous transmission mechanism for drawer slides includes a left slide rail and a right slide rail installed on the left and right sides of a drawer. A synchronous transmission device for synchronous opening and closing is provided between the left and right slide rails. The left slide rail includes a left movable rail body, a left middle rail body, and a left fixed rail body that are slidably connected in sequence. The right slide rail includes a right movable rail body, a right middle rail body, and a right fixed rail body that are slidably connected in sequence. The synchronous transmission device includes a left connecting synchronous seat, a right connecting synchronous seat, a synchronous transmission component, a left transmission wheel set, and a right transmission wheel set. The left and right connecting synchronous seats are respectively installed on the left and right fixed rails. The left transmission wheel set is respectively installed on the left connecting synchronous seat and the left fixed rail. The right transmission wheel set is respectively installed on the right connecting synchronous seat and the right fixed rail. The left and right middle rails are respectively equipped with left and right positioning clamping components for clamping the synchronous transmission components. The synchronous transmission components are respectively connected to the left connecting synchronous seat, the left transmission wheel set, the left positioning clamping component, the right connecting synchronous seat, the right transmission wheel set, and the right positioning clamping component, thereby forming a transmission path with a circular connection at both ends.

[0010] Based on the above optimization, the left positioning clamp is fixedly installed on the outside of the left middle rail body, and the right positioning clamp is fixedly installed on the outside of the right middle rail body. The left positioning clamp and the right positioning clamp are respectively provided with clamping parts for clamping the two ends of the synchronous transmission component.

[0011] Based on the above optimizations, the left transmission wheel set includes a first transmission wheel set, a second transmission wheel set, and a left transition wheel; the right transmission wheel set includes a third transmission wheel set, a fourth transmission wheel set, and a right transition wheel.

[0012] The left transition wheel is mounted on the left fixed rail, and the first transmission wheel set and the second transmission wheel set are respectively mounted on the left connecting synchronization seat.

[0013] The right transition wheel is mounted on the right fixed rail, and the third and fourth transmission wheel sets are respectively mounted on the right connecting synchronous seat.

[0014] The synchronous transmission component is connected in series with the left positioning clamping component, the left transition wheel, the first transmission wheel group, the third transmission wheel group, the right positioning clamping component, the right transition wheel, the fourth transmission wheel group, the second transmission wheel group, and the left positioning clamping component, so that the synchronous transmission component forms a transmission steel line with a ring connection at both ends.

[0015] Based on the above optimization, the first transmission wheel set includes a first upper transmission wheel and a first lower transmission wheel, and the second transmission wheel set includes a second upper transmission wheel and a second lower transmission wheel. The first upper transmission wheel and the second upper transmission wheel are respectively rotatably connected to the left connecting synchronous seat at the same horizontal level as the inlet and outlet ends of the left transition wheel. The first lower transmission wheel and the second lower transmission wheel are respectively located below the first upper transmission wheel and the second upper transmission wheel and are rotatably connected to the left connecting synchronous seat.

[0016] Based on the above optimization, the third transmission wheel set includes a third upper transmission wheel and a third lower transmission wheel, and the fourth transmission wheel set includes a fourth upper transmission wheel and a fourth lower transmission wheel. The third upper transmission wheel and the fourth upper transmission wheel are respectively rotatably connected to the right connecting synchronous seat at the same horizontal level as the inlet and outlet ends of the right transition wheel. The third lower transmission wheel and the fourth lower transmission wheel are respectively located below the third upper transmission wheel and the fourth upper transmission wheel and are rotatably connected to the right connecting synchronous seat.

[0017] Based on the above optimization, the left and right connecting synchronous seats are respectively provided with through holes for the synchronous transmission components to pass through.

[0018] Based on the above optimization, a front protective sleeve and a rear protective sleeve are provided between the left and right connecting synchronous seats for the synchronous transmission components to pass through. The two ends of the front protective sleeve are respectively inserted into the left and right connecting synchronous seats corresponding to the first and third transmission wheel sets, respectively. The two ends of the rear protective sleeve are respectively inserted into the left and right connecting synchronous seats corresponding to the second and fourth transmission wheel sets, respectively.

[0019] Based on the above optimization, both the front protective sleeve and the rear protective sleeve are set as synchronous hollow flexible tubes.

[0020] Based on the above optimization, the first transmission wheel group, the second transmission wheel group, the left transition wheel, the third transmission wheel group, the fourth transmission wheel group, and the right transition wheel are all configured as transmission groove wheels for synchronous transmission component connection.

[0021] The advantages of this utility model are:

[0022] 1) By adding a synchronous transmission device to this structure, the left connecting synchronous seat, right connecting synchronous seat, synchronous transmission component, left transmission wheel set, and right transmission wheel set of the device are connected in series to form a transmission path with a beginning and end ring connection. This enables the left slide rail and right slide rail to run synchronously during opening and closing, avoids uneven force on the left and right sides of the drawer and prevents jamming, and improves the stability of operation.

[0023] 2) By combining the structure of the left and right drive wheel sets, the transmission stability of the synchronous transmission components is enhanced, the shaking phenomenon is reduced, and the quality of product use is improved. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention.

[0025] Figure 2 This is a structural schematic diagram of a preferred embodiment of the present invention from another angle.

[0026] Figure 3 This is a schematic diagram of the structure of the synchronous transmission device according to a preferred embodiment of the present invention.

[0027] Figure 4 This is an exploded view of the synchronous operation device of the preferred embodiment of this utility model. Detailed Implementation

[0028] The present invention will now be further described with reference to the accompanying drawings.

[0029] According to the appendix Figures 1 to 4 As shown, the synchronous transmission mechanism for the drawer slides of this utility model includes a left slide rail 1 and a right slide rail 2 installed on the left and right sides of the drawer. A synchronous transmission device for synchronous opening and closing is provided between the left slide rail 1 and the right slide rail 2. The left slide rail 1 includes a left movable rail body 11, a left middle rail body 12, and a left fixed rail body 13, which are slidably connected in sequence. The right slide rail 2 includes a right movable rail body 21, a right middle rail body 22, and a right fixed rail body 23, which are slidably connected in sequence. The synchronous transmission device includes a left connecting synchronous seat 3, a right connecting synchronous seat 4, a synchronous transmission component 5, a left transmission wheel set 6, and a right transmission wheel set 7. The left connecting synchronous seat 3 and the right connecting synchronous seat 4 are respectively installed on the left fixed rail body 13 and the right fixed rail body 23. The left transmission wheel set 6 is respectively installed on the left connecting synchronous seat 3 and the left fixed rail body 13. The right transmission wheel set 7 is respectively installed on the right connecting synchronous seat 4 and the right fixed rail body 23.

[0030] Furthermore, the left middle rail body 12 and the right middle rail body 22 are respectively equipped with a left positioning clamping member 8 and a right positioning clamping member 9 for clamping the synchronous transmission member 5. The synchronous transmission member 5 is connected to the left connecting synchronous seat 3, the left transmission wheel set 6, the left positioning clamping member 8, the right connecting synchronous seat 4, the right transmission wheel set 7, and the right positioning clamping member 9, thereby forming a transmission path with a circular connection at both ends.

[0031] In this way, by adding a synchronous transmission device to this structure, the left connecting synchronous seat 3, the right connecting synchronous seat 4, the synchronous transmission component 5, the left transmission wheel set 6, and the right transmission wheel set 7 of this device are connected in series to form a transmission path with a beginning and end ring connection. This enables the left slide rail 1 and the right slide rail 2 to run synchronously during opening and closing, avoiding uneven force on the left and right sides of the drawer and thus improving the stability of operation.

[0032] Reference Figures 1 to 4 As shown, in further detail, the left positioning clamping member 8 is fixedly installed on the outside of the left middle rail body 12, and the right positioning clamping member 9 is fixedly installed on the outside of the right middle rail body 22. The left positioning clamping member 8 and the right positioning clamping member 9 are respectively provided with clamping parts for clamping the two ends of the synchronous transmission member 5.

[0033] By utilizing the structure of the left positioning clamping member 8 and the right positioning clamping member 9, the synchronous transmission member 5 can make the left middle rail body 12 and the right middle rail body 22 run synchronously, thereby improving the synchronicity of the operation of the left slide rail 1 and the right slide rail 2.

[0034] Reference Figures 1 to 4 As shown, further detailed, the left transmission wheel set 6 includes a first transmission wheel set 61, a second transmission wheel set 62, and a left transition wheel 63; the right transmission wheel set 7 includes a third transmission wheel set 71, a fourth transmission wheel set 72, and a right transition wheel 73. The left transition wheel 63 is mounted on the left fixed rail 13, and the first transmission wheel set 61 and the second transmission wheel set 62 are respectively mounted on the left connecting synchronous seat 3. The right transition wheel 73 is mounted on the right fixed rail 23, and the third transmission wheel set 71 and the fourth transmission wheel set 72 are respectively mounted on the right connecting synchronous seat 4.

[0035] The synchronous transmission component 5 is connected in series with the left positioning clamping component 8, the left transition wheel 63, the first transmission wheel group 61, the third transmission wheel group 71, the right positioning clamping component 9, the right transition wheel 73, the fourth transmission wheel group 72, the second transmission wheel group 62, and the left positioning clamping component 8, so that the synchronous transmission component 5 forms a transmission steel line with a ring connection at both ends.

[0036] The left positioning clamping component 8, left transition wheel 63, first transmission wheel set 61, third transmission wheel set 71, right positioning clamping component 9, right transition wheel 73, fourth transmission wheel set 72, second transmission wheel set 62, and left positioning clamping component 8 are connected in series by the synchronous transmission component 5, so that the synchronous transmission component 5 forms a transmission steel line with a ring connection at both ends. The structure is simple and greatly increases the transmission synchronization and stability, so that the left slide rail 1 and right slide rail 2 can run synchronously during opening and closing, avoiding jamming caused by uneven force on the left and right sides of the drawer, and ensuring the quality of product use.

[0037] In practical applications, the first transmission wheel set 61 includes a first upper transmission wheel 611 and a first lower transmission wheel 612, and the second transmission wheel set 62 includes a second upper transmission wheel 621 and a second lower transmission wheel 622. The first upper transmission wheel 611 and the second upper transmission wheel 621 are respectively rotatably connected to the left connecting synchronous seat 3, which is at the same horizontal level as the inlet and outlet ends of the left transition wheel 63. The first lower transmission wheel 612 and the second lower transmission wheel are respectively located below the first upper transmission wheel 611 and the second upper transmission wheel 621 and are rotatably connected to the left connecting synchronous seat 3.

[0038] The third transmission wheel set 71 includes a third upper transmission wheel 711 and a third lower transmission wheel 712, and the fourth transmission wheel set 72 includes a fourth upper transmission wheel 721 and a fourth lower transmission wheel 722. The third upper transmission wheel 711 and the fourth upper transmission wheel 721 are rotatably connected to the right connecting synchronous seat 4, which is at the same horizontal level as the inlet and outlet ends of the right transition wheel 73. The third lower transmission wheel 712 and the fourth lower transmission wheel 722 are located below the third upper transmission wheel 711 and the fourth upper transmission wheel 721, and are rotatably connected to the right connecting synchronous seat 4.

[0039] In addition, the left connecting synchronous seat 3 and the right connecting synchronous seat 4 are respectively provided with through holes for the synchronous transmission component 5 to pass through.

[0040] In this way, the combination of the first transmission wheel set 61, the second transmission wheel set 62 and the left transition wheel 63, and the structure of the third transmission wheel set 71, the fourth transmission wheel set 72 and the right transition wheel 73 are easy to assemble and simple in structure. This effectively avoids jamming during the synchronous transmission line transmission process, reduces obstacles, improves the transmission stability and smoothness of the synchronous transmission line, and ensures the synchronous operation of the left slide rail 1 and the right slide rail 2.

[0041] Furthermore, the first transmission wheel set 61, the second transmission wheel set 62, the left transition wheel 63, the third transmission wheel set 71, the fourth transmission wheel set 72, and the right transition wheel 73 are all configured as transmission grooved wheels for the synchronous transmission component 5. This effectively ensures that the left slide rail 1 and the right slide rail 2 open and close synchronously, reducing opening and closing wobbling.

[0042] Furthermore, a front protective sleeve 101 and a rear protective sleeve 102 are provided between the left connecting synchronous seat 3 and the right connecting synchronous seat 4 for the synchronous transmission component 5 to pass through. The two ends of the front protective sleeve 101 are respectively inserted into the left connecting synchronous seat 3 and the right connecting synchronous seat 4 corresponding to the first transmission wheel set 61 and the third transmission wheel set 71, respectively. The two ends of the rear protective sleeve 102 are respectively inserted into the left connecting synchronous seat 3 and the right connecting synchronous seat 4 corresponding to the second transmission wheel set 62 and the fourth transmission wheel set 72.

[0043] Both the front protective sleeve 101 and the rear protective sleeve 102 are configured as synchronous hollow flexible tubes.

[0044] The front protective sleeve 101 and the rear protective sleeve 102 effectively protect the synchronous transmission line, prevent damage to the synchronous transmission line, and ensure the synchronization performance of the product.

[0045] The above specific embodiments are only specific implementations of the present utility model with better effects. Any structure that is the same as or equivalent to the synchronous transmission mechanism for the slide rail of the present utility model is within the protection scope of the present utility model.

Claims

1. A synchronous transmission mechanism for a drawer slide rail, comprising a left slide rail (1) and a right slide rail (2) installed on the left and right sides of a drawer, wherein a synchronous transmission device for synchronous opening and closing is provided between the left slide rail (1) and the right slide rail (2), the left slide rail (1) comprising a left movable rail body (11), a left middle rail body (12), and a left fixed rail body (13) connected in sequence, and the right slide rail (2) comprising a right movable rail body (21), a right middle rail body (22), and a right fixed rail body (23) connected in sequence, characterized in that: The synchronous transmission device includes a left connecting synchronous seat (3), a right connecting synchronous seat (4), a synchronous transmission component (5), a left transmission wheel set (6), and a right transmission wheel set (7). The left connecting synchronous seat (3) and the right connecting synchronous seat (4) are respectively installed on the left fixed rail body (13) and the right fixed rail body (23). The left transmission wheel set (6) is respectively installed on the left connecting synchronous seat (3) and the left fixed rail body (13). The right transmission wheel set (7) is respectively installed on the right connecting synchronous seat (4) and the right fixed rail body (23). The left middle rail body (12) and the right middle rail body (22) are respectively equipped with a left positioning clamping component (8) and a right positioning clamping component (9) for clamping the synchronous transmission component (5). The synchronous transmission component (5) is connected to the left connecting synchronous seat (3), the left transmission wheel set (6), the left positioning clamping component (8), the right connecting synchronous seat (4), the right transmission wheel set (7), and the right positioning clamping component (9), thereby forming a transmission path with a ring connection at both ends.

2. The synchronous transmission mechanism for the slide rail according to claim 1, characterized in that: The left positioning clamp (8) is fixedly installed on the outside of the left middle rail body (12), and the right positioning clamp (9) is fixedly installed on the outside of the right middle rail body (22). The left positioning clamp (8) and the right positioning clamp (9) are respectively provided with clamping parts for clamping the two ends of the synchronous transmission member (5).

3. The synchronous transmission mechanism for the slide rail according to claim 1, characterized in that: The left drive wheel assembly (6) includes a first drive wheel assembly (61), a second drive wheel assembly (62), and a left transition wheel (63), and the right drive wheel assembly (7) includes a third drive wheel assembly (71), a fourth drive wheel assembly (72), and a right transition wheel (73). The left transition wheel (63) is installed on the left fixed rail (13), and the first transmission wheel set (61) and the second transmission wheel set (62) are respectively installed on the left connecting synchronous seat (3). The right transition wheel (73) is installed on the right fixed rail (23), and the third transmission wheel set (71) and the fourth transmission wheel set (72) are respectively installed on the right connecting synchronous seat (4). The synchronous transmission component (5) is connected in series with the left positioning clamping component (8), the left transition wheel (63), the first transmission wheel group (61), the third transmission wheel group (71), the right positioning clamping component (9), the right transition wheel (73), the fourth transmission wheel group (72), the second transmission wheel group (62), and the left positioning clamping component (8), so that the synchronous transmission component (5) forms a transmission steel line with a ring connection at both ends.

4. The synchronous transmission mechanism for the slide rail according to claim 3, characterized in that: The first transmission wheel set (61) includes a first upper transmission wheel (611) and a first lower transmission wheel (612). The second transmission wheel set (62) includes a second upper transmission wheel (621) and a second lower transmission wheel (622). The first upper transmission wheel (611) and the second upper transmission wheel (621) are rotatably connected to the left connecting synchronous seat (3) which is at the same horizontal level as the inlet and outlet end of the left transition wheel (63). The first lower transmission wheel (612) and the second lower transmission wheel are located below the first upper transmission wheel (611) and the second upper transmission wheel (621) and are rotatably connected to the left connecting synchronous seat (3).

5. The synchronous transmission mechanism for the slide rail according to claim 3, characterized in that: The third transmission wheel set (71) includes a third upper transmission wheel (711) and a third lower transmission wheel (712). The fourth transmission wheel set (72) includes a fourth upper transmission wheel (721) and a fourth lower transmission wheel (722). The third upper transmission wheel (711) and the fourth upper transmission wheel (721) are rotatably connected to the right connecting synchronous seat (4) which is at the same horizontal level as the inlet and outlet end of the right transition wheel (73). The third lower transmission wheel (712) and the fourth lower transmission wheel (722) are located below the third upper transmission wheel (711) and the fourth upper transmission wheel (721) and are rotatably connected to the right connecting synchronous seat (4).

6. The synchronous transmission mechanism for the slide rail according to claim 3, characterized in that: The left connecting synchronous seat (3) and the right connecting synchronous seat (4) are respectively provided with through holes for the synchronous transmission component (5) to pass through.

7. The synchronous transmission mechanism for the slide rail according to claim 3, characterized in that: Between the left connecting synchronous seat (3) and the right connecting synchronous seat (4), there is a front protective sleeve (101) and a rear protective sleeve (102) for the synchronous transmission component (5) to pass through. The two ends of the front protective sleeve (101) are respectively inserted into the left connecting synchronous seat (3) and the right connecting synchronous seat (4) corresponding to the first transmission wheel set (61) and the third transmission wheel set (71). The two ends of the rear protective sleeve (102) are respectively inserted into the left connecting synchronous seat (3) and the right connecting synchronous seat (4) corresponding to the second transmission wheel set (62) and the fourth transmission wheel set (72).

8. The synchronous transmission mechanism for the slide rail according to claim 7, characterized in that: Both the front protective sleeve (101) and the rear protective sleeve (102) are configured as synchronous hollow flexible tubes.

9. The synchronous transmission mechanism for the slide rail according to claim 3, characterized in that: The first transmission wheel group (61), the second transmission wheel group (62), the left transition wheel (63), the third transmission wheel group (71), the fourth transmission wheel group (72), and the right transition wheel (73) are all configured as transmission groove wheels for transmission connection of synchronous transmission component (5).

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