Transmission device for a sliding door

Abstract

The utility model discloses a transmission device of sliding door, including upper slide rail, lower slide and door board, two track slide grooves are seted up in the inside of upper slide rail, and the inside top wall of two track slide grooves all is provided with slide rail strip, and the both sides outer wall of slide rail strip is slidingly inserted to have sliding seat, and the both sides of bearing pulley of sliding seat inside are provided with several, and bearing pulley is close to the both sides of slide rail strip, and the bottom of sliding seat inside is provided with fixed plate, and the bottom of sliding seat inside is provided with rack groove no.

Description

Technical Field

[0001] This utility model relates to the field of sliding door technology, and specifically to a transmission device for a sliding door. Background Technology

[0002] In the field of architectural decoration, sliding doors are widely used in various buildings, including residential, commercial buildings, and public facilities, because they do not occupy indoor or outdoor space, making the space more open whether it is a small apartment or a villa, and they can be opened flexibly. They are suitable for places with high traffic such as office buildings and shopping malls. Their appearance also fits the modern style.

[0003] Traditional sliding doors rely primarily on manual operation for opening and closing. This can be strenuous for people with limited strength, and it's difficult to free up hands to open or close the door when both hands are holding items, causing significant inconvenience in daily life. Therefore, there is an urgent need to design a sliding door transmission mechanism to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a transmission device for a sliding door to address the aforementioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A transmission device for a sliding door includes an upper slide rail, a lower slide groove, and a door panel. The upper slide rail has two track grooves inside, and each of the two track grooves has a slide rail strip on its inner top wall. Sliding seats are slidably inserted into the outer walls on both sides of the slide rail strip.

[0007] The sliding seat has several bearing pulleys on both sides inside, and the bearing pulleys are in close contact with both sides of the slide rail. A fixed plate is provided at the bottom inside the sliding seat, and a rack groove is provided at the bottom inside the sliding seat, which is located directly below the fixed plate.

[0008] In a preferred embodiment of this utility model, limit protrusions are provided on both sides of the slide rail, and rack grooves are provided on the top and bottom outer walls of the slide rail, with a transmission rack provided in the rack groove.

[0009] In a preferred embodiment of this utility model, motors are provided at both ends of the upper slide rail, a transmission gear is sleeved on the motor transmission rod, and driven wheels are provided inside both ends of the upper slide rail. The transmission gear and the driven gear are connected by a transmission rack.

[0010] In a preferred embodiment of this utility model, a connecting piece is provided on the bottom outer wall of the sliding seat, and the door panel and the sliding seat are connected and fixed by the connecting piece. The connecting piece is fixed to the door panel and the sliding seat by screws.

[0011] In a preferred embodiment of this utility model, a support pulley is provided in the sliding groove, and the support pulley is fixed to the bottom of the door panel with screws.

[0012] In a preferred embodiment of this utility model, vertical rods are provided at both ends of the upper slide rail and the lower slide groove. A buffer assembly is provided on the vertical rod. The buffer assembly includes a mounting groove formed on the vertical rod. A spring is provided on the bottom surface of the mounting groove. A buffer key is slidably inserted into the mounting groove. The bottom of the buffer key is connected to the spring.

[0013] Limiting sliders are provided on both sides of the buffer key, and limiting grooves are opened on both sides of the mounting groove, with limiting sliders slidably inserted into the limiting grooves.

[0014] In a preferred embodiment of this utility model, a limiting groove is formed on the surface of the bearing pulley, the limiting protrusion is fitted into the limiting groove, and the fixing plate fixes the transmission rack in the rack groove.

[0015] In the above technical solution, the transmission device for a sliding door provided by this utility model has the following advantages:

[0016] (1) By setting up slide rails and using a motor to drive racks, the door panel can be opened and closed automatically, making operation more convenient. At the same time, the motor drive can achieve fast and precise opening and closing actions, greatly improving the opening speed of the door panel.

[0017] (2) By setting up a buffer component, the door panel can be buffered when it is opened or closed quickly. Without the buffer component, the door panel will be damaged after hitting the vertical bar for a long time. The buffer component improves the service life of the door panel. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a perspective view of a sliding door structure provided for an embodiment of the transmission device of a sliding door according to the present invention.

[0020] Figure 2 This is a cross-sectional view of the upper slide rail structure provided for an embodiment of the transmission device of a sliding door according to the present invention.

[0021] Figure 3An exploded view of the upper slide rail structure provided for an embodiment of the transmission device of a sliding door according to this utility model.

[0022] Figure 4 This is a side view of the upper slide rail structure provided for an embodiment of the transmission device of a sliding door according to this utility model.

[0023] Figure 5 This invention provides an embodiment of a transmission device for a sliding door. Figure 1 Enlarged view of a portion of the structure.

[0024] 1. Upper slide rail; 11. Track groove; 12. Door panel; 2. Slide rail strip; 21. Limiting protrusion; 22. Rack groove one; 3. Sliding seat; 31. Bearing pulley; 32. Fixing plate; 33. Rack groove two; 4. Lower slide groove; 5. Vertical rod; 6. Motor; 61. Transmission gear; 62. Driven gear; 7. Transmission rack; 8. Support pulley; 9. Buffer assembly; 91. Mounting groove; 92. Buffer key; 93. Spring; 94. Limiting groove; 95. Limiting slider; 10. Connecting piece. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-5 As shown in the figure, the transmission device for a sliding door provided in this embodiment of the utility model includes an upper slide rail 1, a lower slide groove 4 and a door panel 12. The upper slide rail 1 has two track grooves 11 inside. The upper slide rail 1 has two track rails 2 inside the top wall of each track groove 11. Sliding seats 3 are slidably inserted into the outer walls on both sides of the track rails 2. Several bearing pulleys 31 are provided on both sides inside the sliding seats 3. The bearing pulleys 31 are close to both sides of the track rails 2. A fixing plate 32 is provided at the bottom inside the sliding seats 3. A rack groove 33 is provided at the bottom inside the sliding seats 3. The rack groove 33 is located directly below the fixing plate 32.

[0027] In this embodiment, two track grooves 11 are provided inside the upper slide rail 1. Slide rail strips 2 are provided on the inner top wall of the two track grooves 11, and sliding seats 3 are slidably inserted into the outer walls on both sides of the slide rail strips 2.

[0028] Specifically, several bearing pulleys 31 are provided on both sides inside the sliding seat 3. There are two bearing pulleys 31 on each side inside the sliding seat 3. The bearing pulleys 31 are close to both sides of the slide rail 2. A fixing plate 32 is provided at the bottom inside the sliding seat 3. The fixing plate 32 is fixed to the sliding seat 3 by screws. A rack groove 33 is provided at the bottom inside the sliding seat 3. The rack groove 33 is located directly below the fixing plate 32. The transmission rack 7 can be fixed inside the sliding seat 3 by the cooperation of the fixing plate 32 and the rack groove 33.

[0029] Specifically, a limiting groove is provided on the surface of the bearing pulley 31, and the limiting protrusion 21 is fitted into the limiting groove to improve the meshing degree between the sliding seat 3 and the slide rail 2, making the connection more secure. The fixing plate 32 fixes the transmission rack 7 in the rack groove 33, so that the transmission rack 7 can drive the sliding seat 3 to move together when it moves.

[0030] In this embodiment, both sides of the slide rail 2 are provided with limiting protrusions 21, which are engaged in the limiting grooves on the bearing pulley 31. The top outer wall and bottom outer wall of the slide rail 2 are provided with rack grooves 22, and a transmission rack 7 is provided in the rack grooves 22 to provide a movement path for the movement of the transmission rack 7.

[0031] In this embodiment, motors 6 are provided at both ends of the upper slide rail 1. One motor 6 controls the movement of one door panel 12. A transmission gear 61 is sleeved on the transmission rod of the motor 6. The teeth on the transmission gear 61 mesh with the transmission rack 7. A driven gear 62 is provided inside both ends of the upper slide rail 1. The driven gear 62 makes the movement of the transmission rack 7 smoother and reduces the wear of the slide rail 2 on the transmission rack 7. The transmission gear 61 and the driven gear 62 are connected by meshing with the transmission rack 7.

[0032] In this embodiment, a connecting piece 10 is provided on the bottom outer wall of the sliding seat 3. The door panel 12 and the sliding seat 3 are connected and fixed by the connecting piece 10. The connecting piece 10 is fixed to the door panel 12 and the sliding seat 3 by screws.

[0033] In this embodiment, a support pulley 8 is provided in the sliding groove 4. The support pulley 8 can slide in the sliding groove 4 and provide support for the door panel 12, reducing the impact of weight on the slide rail 2. The support pulley 8 is fixed to the bottom of the door panel 12 with screws.

[0034] In this embodiment, vertical rods 5 are provided at both ends of the upper slide rail 1 and the lower slide groove 4. A buffer assembly 9 is provided on the vertical rod 5. The buffer assembly 9 includes a mounting groove 91 opened on the vertical rod 5. A spring 93 is provided on the bottom surface of the mounting groove 91. A buffer key 92 is slidably inserted into the mounting groove 91. The buffer key 92 is made of rubber and can provide a good buffering effect. The bottom of the buffer key 92 is connected to the spring 93. The buffering effect is enhanced by compressing the spring 93.

[0035] Specifically, limit sliders 95 are provided on both sides of the buffer key 92, and limit grooves 94 are provided on both sides of the mounting groove 91. The limit sliders 95 are slidably inserted into the limit grooves 94. The limit sliders 95 slide within the limit grooves 94 to prevent the buffer key 92 from disengaging from the mounting groove 91.

[0036] Working steps: 1. Pass the transmission rack 7 through the rack groove 22, and then make the transmission rack 7 mesh with the transmission gear 61 and the driven gear 62. Fix the transmission rack 7 in the rack groove 33 in the sliding seat 3 through the fixing plate 32. Then insert the sliding seat 3 into the slide rail 2 and fix the door panel 12 to the bottom of the sliding seat 3 through the connecting piece 10.

[0037] Second, the motor 6 is then powered on, which drives the transmission gear 61 to rotate. The transmission gear 61 drives the transmission rack 7 to move, and the transmission rack 7 drives the sliding seat 3 to move, thereby realizing the opening and closing of the door panel 12. When it is fully opened or closed, the impact between the door panel 12 and the vertical rod 5 can be reduced by the buffer component 9.

[0038] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A transmission device of a sliding door comprising an upper slide rail (1), a lower slide groove (4) and a door panel (12), characterized in that, The upper slide rail (1) has two track grooves (11) inside. Each of the two track grooves (11) has a slide rail (2) on its inner top wall. Slide seats (3) are slidably inserted into the outer walls on both sides of the slide rail (2). The sliding seat (3) has several bearing pulleys (31) on both sides inside. The bearing pulleys (31) are close to both sides of the slide rail (2). The bottom of the sliding seat (3) is provided with a fixing plate (32). The bottom of the sliding seat (3) is provided with a rack groove (33), which is located directly below the fixing plate (32).

2. A transmission device for a sliding door according to claim 1, characterized in that The slide rail (2) is provided with limit protrusions (21) on both sides. The top outer wall and bottom outer wall of the slide rail (2) are provided with rack grooves (22), and a transmission rack (7) is provided in the rack grooves (22).

3. The transmission device for a sliding door according to claim 1, characterized in that, Both ends of the upper slide rail (1) are equipped with motors (6), and a transmission gear (61) is sleeved on the transmission rod of the motor (6). Both ends of the upper slide rail (1) are equipped with driven gears (62), and the transmission gears (61) and driven gears (62) are connected by a transmission rack (7).

4. The transmission device for a sliding door according to claim 1, characterized in that, A connecting piece (10) is provided on the bottom outer wall of the sliding seat (3). The door panel (12) and the sliding seat (3) are connected and fixed by the connecting piece (10). The connecting piece (10) is fixed to the door panel (12) and the sliding seat (3) by screws.

5. The transmission device for a sliding door according to claim 1, characterized in that, A support pulley (8) is provided in the sliding groove (4), and the support pulley (8) is fixed to the bottom of the door panel (12) with screws.

6. The transmission device for a sliding door according to claim 1, characterized in that, Both ends of the upper slide rail (1) and the lower slide groove (4) are provided with vertical rods (5). A buffer assembly (9) is provided on the vertical rod (5). The buffer assembly (9) includes a mounting groove (91) opened on the vertical rod (5). A spring (93) is provided on the bottom surface of the mounting groove (91). A buffer key (92) is slidably inserted in the mounting groove (91). The bottom of the buffer key (92) is connected to the spring (93). Limiting sliders (95) are provided on both sides of the buffer key (92), and limiting grooves (94) are opened on both sides of the mounting groove (91). The limiting sliders (95) are slidably inserted into the limiting grooves (94).

7. The transmission device for a sliding door according to claim 2, characterized in that, The bearing pulley (31) has a limiting groove on its surface, the limiting protrusion (21) is fitted into the limiting groove, and the fixing plate (32) fixes the transmission rack (7) in the rack groove (33).

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