Adjustable damping pulley assembly

Abstract

The utility model discloses an adjustable damping pulley assembly, and particularly relates to the field of doors and windows, the adjustable damping pulley assembly comprises a buffer, the two ends of the buffer are respectively provided with a head hanging pulley and a tail hanging pulley, and the head hanging pulley and the tail hanging pulley are used for being installed in a guide rail in a sliding mode; the tail hanging pulley comprises a tail body, a second pulley and a third pulley are installed on the two sides of the tail body respectively, and an adjusting device is installed on the tail body and used for adjusting the height of the third pulley so that the third pulley can be pressed on the top wall of the guide rail. By adjusting the height of the movable block, the third pulley is pressed on the top wall of the inner side of the guide rail, the second pulley is pressed on the bottom of the inner side of the guide rail, and therefore the pulleys can slide stably on the rail, the problems of shaking and abnormal sound are reduced, and the door leaf can achieve more stable and mute effects.

Description

Technical Field

[0001] The utility model relates to the technical field of doors and windows, and more specifically to an adjustable damping pulley assembly. Background Art

[0002] Sliding doors are doors that can be opened or closed by pushing or pulling, without rotating or opening outwards. The sliding and pulling action makes it suitable for places with limited space, especially for environments that need to maximize the use of space, such as small apartments, shops or offices. Sliding doors are installed on the door frame through damping pulley assemblies. The quality of the damping pulley assembly determines the user experience of the sliding door.

[0003] The damping pulley assembly currently on the market is mainly composed of a buffer, a head hanging pulley and a tail hanging pulley. Four pulleys are installed on the head hanging pulley, while only two pulleys are installed on the tail hanging pulley. During installation, the guide rail is installed on the top of the door frame, the damping pulley assembly is installed in the guide rail, and the sliding door is installed on the head hanging pulley by bolts.

[0004] After the sliding door is installed on the head hanging pulley, the sliding door applies a downward force to the head hanging pulley, causing the tail hanging pulley to tilt upward, and the bottom of the pulley on the tail hanging pulley cannot contact the guide rail, that is, there is a gap, and it is unstable when sliding. Therefore, when the sliding door slides, it will make noise and shake, affecting the service life. In the prior art, an angle is set between the head hanging pulley and the buffer, that is, the head hanging pulley is slightly tilted downward, the purpose is to make the bottom of the pulley on the tail hanging pulley contact the guide rail after the sliding door is installed on the head hanging pulley, so as to avoid the problem of noise and shaking during the sliding process.

[0005] However, since the angle between the head hanging pulley and the buffer cannot be designed very accurately, during the actual installation process, there will still be a gap between the bottom of the pulley on the tail hanging pulley and the guide rail, that is, when the sliding door slides, noise and shaking problems will still occur. Utility Model Content

[0006] The utility model provides an adjustable damping pulley assembly, which aims to solve the problem that there is a gap between the bottom of the pulley on the tail hanging pulley and the guide rail, and when the sliding door slides, noise and shaking will occur.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable damping pulley assembly, comprising a buffer, a head hanging pulley and a tail hanging pulley are respectively installed at both ends of the buffer, the head hanging pulley and the tail hanging pulley are used to be slidably installed in a guide rail; the tail hanging pulley comprises a tail body, pulley two and pulley three are respectively installed on both sides of the tail body, and an adjusting device is installed on the tail body, and the adjusting device is used to adjust the height of pulley three so that pulley three is pressed against the top wall of the guide rail.

[0008] In a preferred embodiment, the adjusting device comprises a fixed block, a movable block is vertically slidably connected to the fixed block, an adjusting screw is rotatably connected to the bottom of the fixed block, and the adjusting screw is threadedly connected to the bottom of the movable block.

[0009] In a preferred embodiment, a notch is formed on one side of the movable block, a screw is threadedly connected to one side of the fixed block, and one end of the screw slides inside the notch.

[0010] In a preferred embodiment, the fixed block is fixedly mounted on the tail body, and the pulley is rotatably connected to one side of the movable block.

[0011] In a preferred embodiment, a guide ridge is provided on one side of the tail body close to the fixed block, and the fixed block is laterally slidably installed on the guide ridge. A socket is provided on one side of the tail body, and an insert block is provided at one end of the fixed block, which is inserted into the inside of the socket.

[0012] In a preferred embodiment, the adjustable damping pulley assembly also includes an independent hanging pulley, which includes an independent main body, multiple pulleys four are installed on one side of the independent main body, multiple pulleys four and a pulley five are installed on the other side of the independent main body, and an adjusting device is provided on the independent main body. For the adjusting device provided on the independent main body: the adjusting device is used to adjust the height of the pulley five so that the pulley five is pressed against the top wall of the guide rail, the fixed block of the adjusting device is fixedly installed on the independent main body, and the pulley five is rotatably installed on the movable block of the adjusting device.

[0013] In a preferred embodiment, the independent body has a guide ridge 2 on one side close to the fixed block, and the fixed block is laterally slidably installed on the guide ridge 2. A socket 2 is opened on one side of the independent body, and an insertion block is provided at one end of the fixed block, which is inserted into the inside of the socket 2.

[0014] In a preferred embodiment, pulley three and pulley five are both plastic wheels.

[0015] In a preferred embodiment, two pulleys are rotatably mounted on both sides of the head hanging pulley.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model adjusts the height of the movable block to press the pulley three against the top wall inside the guide rail and press the pulley two against the bottom inside the guide rail, so that there is no gap between the entire tail hanging pulley and the upper wall and bottom of the guide rail, and during the sliding process of the damping pulley assembly, no noise or shaking will occur.

[0018] 2. The head hanging pulley of the utility model does not need to set an angle with the buffer. The head hanging pulley can be horizontally connected with the buffer and the tail hanging pulley, making processing and assembly more convenient.

[0019] 3. The utility model adjusts the height of the pulley five so that the pulley five can be pressed against the top wall of the guide rail, and the plurality of pulleys four can be pressed against the lower wall of the guide rail. During the movement of the independent hanging pulleys, no noise or shaking will occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a partial structural schematic diagram of the utility model.

[0022] Figure 3 For this utility model Figure 2 Exploded diagram.

[0023] Figure 4 It is a structural schematic diagram of the independent hanging pulley of the utility model.

[0024] Figure 5 It is an exploded view of the independent hanging pulley of the utility model.

[0025] Figure 6 This is a structural schematic diagram of the adjustable damping pulley assembly of the utility model installed in a guide rail.

[0026] Figure 7 For this utility model Figure 6 Section Figure 1 .

[0027] Figure 8 For this utility model Figure 6 Section Figure 2 .

[0028] The accompanying drawings are marked as follows: 1. buffer; 2. head hanging pulley; 21. pulley one; 3. tail hanging pulley; 31. tail body; 311. guide ridge one; 312. socket one; 32. pulley two; 33. pulley three; 4. adjusting device; 41. fixed block; 411. slide groove; 412. plug block; 42. movable block; 421. notch; 43. adjusting screw; 44. screw; 5. independent hanging pulley; 51. independent body; 511. guide ridge two; 512. socket two; 52. pulley four; 53. pulley five; 6. guide rail. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0030] Refer to the instruction manual Figure 1-Figure 8 An adjustable damping pulley assembly includes a buffer 1, at both ends of which a head hanging pulley 2 and a tail hanging pulley 3 are respectively installed, the head hanging pulley 2 and the tail hanging pulley 3 are used to be slidably installed in a guide rail 6; the tail hanging pulley 3 includes a tail body 31, at both sides of which pulleys 2 32 and 33 are respectively installed, and an adjusting device 4 is installed on the tail body 31, and the adjusting device 4 is used to adjust the height of pulley 3 33 so that pulley 3 33 is pressed against the top wall of the guide rail 6.

[0031] Furthermore, two pulleys 21 are rotatably mounted on both sides of the head hanging pulley 2.

[0032] Furthermore, the adjusting device 4 comprises a fixed block 41 , a movable block 42 is vertically slidably connected to the fixed block 41 , an adjusting screw 43 is rotatably connected to the bottom of the fixed block 41 , and the adjusting screw 43 is threadedly connected to the bottom of the movable block 42 .

[0033] The fixed block 41 is fixedly mounted on the tail body 31 , and the pulley three 33 is rotatably connected to one side of the movable block 42 .

[0034] like Figure 6 and Figure 7As shown, the adjustable damping pulley assembly is installed inside the guide rail 6, and the head hanging pulley 2 is also used to install the sliding door. Due to the gravity of the sliding door, the four pulleys 1 21 on the head hanging pulley 2 will be pressed on the lower wall inside the guide rail 6. The adjusting screw 43 adopts a hexagon socket bolt. By turning the adjusting screw 43 with a hexagon socket wrench, the height of the movable block 42 can be adjusted, and finally the pulley 3 33 is pressed on the top wall inside the guide rail 6. At the same time, the pulley 2 32 will also be pressed on the bottom inside the guide rail 6, so that there is no gap between the entire tail hanging pulley 3 and the upper wall and bottom of the guide rail 6. During the sliding process of the damping pulley assembly, there will be no noise or shaking problems. At the same time, the head hanging pulley 2 does not need to set an angle with the buffer 1. The head hanging pulley 2 can be horizontally connected with the buffer 1 and the tail hanging pulley 3, making the processing and assembly more convenient.

[0035] Furthermore, if Figure 3 As shown, a slide groove 411 is provided on the fixed block 41 , and the movable block 42 is vertically slidably arranged inside the slide groove 411 .

[0036] It should be noted that when the adjusting screw 43 is rotated to adjust the movable block 42 , the movable block 42 can move vertically along the sliding groove 411 to improve its stability.

[0037] Furthermore, if Figure 3 As shown, a slot 421 is formed on one side of the movable block 42 , and a screw 44 is threadedly connected to one side of the fixed block 41 , with one end of the screw 44 sliding inside the slot 421 .

[0038] It should be noted that when the adjusting screw 43 is rotated to adjust the movable block 42 , the end of the screw 44 can move vertically along the notch 421 relative to the movable block 42 to improve the stability of the movable block 42 .

[0039] Furthermore, if Figure 3 As shown, a guide ridge 311 is provided on one side of the tail body 31 close to the fixed block 41, and the fixed block 41 is laterally slidably installed on the guide ridge 311. A socket 312 is provided on one side of the tail body 31, and an insert block 412 is provided at one end of the fixed block 41, and the insert block 412 is inserted into the inside of the socket 312.

[0040] It should be noted that when installing the fixing block 41 on the tail body 31, first slide the fixing block 41 along the guide ridge 311 and install it on the tail body 31. After sliding into place, insert the plug 412 into the inside of the socket 312, and then use bolts to fix the fixing block 41 and the tail body 31.

[0041] Refer to the instruction manual Figure 1-Figure 8The adjustable damping pulley assembly also includes an independent hanging pulley 5, which includes an independent main body 51, a plurality of pulleys 4 52 are installed on one side of the independent main body 51, a plurality of pulleys 4 52 and a pulley 5 53 are installed on the other side of the independent main body 51, and an adjusting device 4 is provided on the independent main body 51. For the adjusting device 4 provided on the independent main body 51: the adjusting device 4 is used to adjust the height of the pulley 5 53 so that the pulley 5 53 is pressed on the top wall of the guide rail 6, the fixed block 41 of the adjusting device 4 is fixedly installed on the independent main body 51, and the pulley 5 53 is rotatably installed on the movable block 42 of the adjusting device 4.

[0042] It should be noted that the independent hanging pulley 5 is also installed on the sliding door. In order to enable pulley four 52 and pulley five 53 to be pressed on the lower wall and upper wall of the guide rail 6, an adjusting device 4 is also provided on the independent hanging pulley 5. Similar to adjusting pulley three 33, the height of pulley five 53 can be adjusted by rotating the adjusting screw 43, so that pulley five 53 can be pressed on the top wall of the guide rail 6, and multiple pulley four 52 can be pressed on the lower wall of the guide rail 6.

[0043] Furthermore, the independent main body 51 has a second guide ridge 511 on one side close to the fixed block 41, and the fixed block 41 is laterally slidably installed on the second guide ridge 511. A second socket 512 is opened on one side of the independent main body 51, and an insert block 412 is provided at one end of the fixed block 41, and the insert block 412 is inserted into the inside of the second socket 512.

[0044] It should be noted that when installing the fixing block 41 on the independent main body 51, first slide the fixing block 41 along the guide ridge 511 to be installed on the independent main body 51. After sliding into place, the insert block 412 is inserted into the inside of the socket 512, and then fixed with bolts.

[0045] Furthermore, the pulley three 33 and the pulley five 53 are both plastic wheels.

[0046] It should be noted that the plastic wheel has good buffering performance, so that when the height of the pulley three 33 and the pulley five 53 are adjusted, they can be steadily pressed on the top wall on the inner side of the guide rail 6.

[0047] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An adjustable damping pulley assembly, characterized in that: It comprises a buffer (1), wherein a head hanging pulley (2) and a tail hanging pulley (3) are respectively installed at both ends of the buffer (1), and the head hanging pulley (2) and the tail hanging pulley (3) are used for sliding installation in a guide rail (6); The tail suspension pulley (3) comprises a tail body (31), and pulley two (32) and pulley three (33) are respectively installed on both sides of the tail body (31). An adjustment device (4) is installed on the tail body (31), and the adjustment device (4) is used to adjust the height of pulley three (33) so that pulley three (33) is pressed on the top wall of the guide rail (6).

2. The adjustable damping pulley assembly according to claim 1, characterized in that: The adjusting device (4) comprises a fixed block (41), a movable block (42) is vertically slidably connected to the fixed block (41), an adjusting screw (43) is rotatably connected to the bottom of the fixed block (41), and the adjusting screw (43) is threadedly connected to the bottom of the movable block (42).

3. The adjustable damping pulley assembly according to claim 2, characterized in that: A notch (421) is provided on one side of the movable block (42), and a screw (44) is threadedly connected to one side of the fixed block (41), and one end of the screw (44) slides inside the notch (421).

4. An adjustable damping pulley assembly according to claim 2 or 3, characterized in that: The fixed block (41) is fixedly mounted on the tail body (31), and the pulley three (33) is rotatably connected to one side of the movable block (42).

5. An adjustable damping pulley assembly according to claim 2 or 3, characterized in that: The tail body (31) has a guide convex strip (311) on one side close to the fixing block (41), and the fixing block (41) is laterally slidably mounted on the guide convex strip (311). A socket (312) is provided on one side of the tail body (31), and an insert block (412) is provided at one end of the fixing block (41), and the insert block (412) is inserted into the inside of the socket (312).

6. An adjustable damping pulley assembly according to claim 2 or 3, characterized in that: The adjustable damping pulley assembly also includes an independent hanging pulley (5), the independent hanging pulley (5) including an independent main body (51), a plurality of pulleys (52) are installed on one side of the independent main body (51), a plurality of pulleys (52) and a pulley (53) are installed on the other side of the independent main body (51), an adjusting device (4) is arranged on the independent main body (51), and the adjusting device (4) arranged on the independent main body (51) is used to adjust the height of the pulley (53) so that the pulley (53) is pressed against the top wall of the guide rail (6), the fixed block (41) of the adjusting device (4) is fixedly installed on the independent main body (51), and the pulley (53) is rotatably installed on the movable block (42) of the adjusting device (4).

7. The adjustable damping pulley assembly according to claim 6, characterized in that: The independent body (51) has a second guide convex strip (511) on one side close to the fixed block (41), and the fixed block (41) is laterally slidably mounted on the second guide convex strip (511). A second socket (512) is provided on one side of the independent body (51), and an insert block (412) is provided at one end of the fixed block (41), and the insert block (412) is inserted into the interior of the second socket (512).

8. The adjustable damping pulley assembly according to claim 6, characterized in that: The pulley three (33) and the pulley five (53) are both plastic wheels.

9. The adjustable damping pulley assembly according to claim 1, characterized in that: Two pulleys (21) are rotatably mounted on both sides of the head hanging pulley (2).

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