Pulley assembly and shower room

Abstract

The present invention discloses a pulley assembly and a shower room, wherein the pulley assembly includes a pulley mechanism and a decorative cover mechanism, wherein the decorative cover mechanism is provided with an adjustment hole, and the decorative cover mechanism is provided with a limiting portion, and the limiting portion is provided at one end of the decorative cover mechanism in a first direction; the adjustment hole is provided as a long hole arranged along the first direction; one of the pulley mechanism and the decorative cover mechanism is provided with an inclined guide surface, and the other is provided to abut against the guide surface. The shower room includes the above-mentioned pulley assembly. The present invention relates to the field of sanitary ware, and provides a pulley assembly and a shower room, wherein the inclined guide surface is provided so that the limiting portion can press against the top or bottom surface of the sliding door after installation, thereby offsetting the machining tolerance gap reserved during the production of the sliding door, and ensuring that the decorative cover mechanism is installed in the correct position without tilting.

Description

Technical Field

[0001] The present invention relates to, but is not limited to, the field of bathroom fixtures, and more particularly to a pulley assembly and a shower room. Background Art

[0002] The shower room makes full use of a corner of the bathroom, with a fence clearly dividing the shower area to form a relatively independent bathing space. The sliding door requires a pulley assembly to slide.

[0003] The current pulley assembly usually includes a pulley mechanism and a decorative cover mechanism separated on both sides of the sliding door. Among them, there is no positioning structure between the existing decorative cover mechanism and the sliding door, which makes it difficult to ensure that the decorative cover mechanism does not tilt during assembly, resulting in improper installation. Even if the installation is good, the decorative cover mechanism may still tilt after a collision, affecting the user experience. Summary of the Invention

[0004] An embodiment of the present disclosure provides a pulley assembly, which is disposed at the top or bottom of a sliding door. The pulley assembly includes a pulley mechanism and a decorative cover mechanism located on both sides of the sliding door. The pulley mechanism and the decorative cover mechanism are connected by a fastener. The decorative cover mechanism is provided with an adjustment hole for the fastener to pass through. The decorative cover mechanism is provided with a limit portion, which is disposed at one end of the decorative cover mechanism in a first direction and is used to abut against the top surface or bottom surface of the sliding door to lock the decorative cover mechanism.

[0005] The adjustment hole is configured as a long hole arranged along the first direction, so as to allow the decorative cover mechanism to slide relative to the fastener along the first direction;

[0006] One of the pulley mechanism and the decorative cover mechanism is provided with an inclined guide surface, and the other is arranged to abut against the guide surface, so as to guide the decorative cover mechanism to slide along the first direction when the decorative cover mechanism approaches the pulley mechanism so that the limiting portion abuts against the top surface or bottom surface of the sliding door.

[0007] In a possible design, the guide surface is provided on the pulley mechanism, and the decorative cover mechanism is provided with an inclined mating surface, wherein the mating surface is parallel to the guide surface and abuts against the guide surface.

[0008] In a possible design, the pulley mechanism is provided with a protruding first protrusion on the end surface facing the decorative cover mechanism, the first protrusion is provided with a screw hole for engaging with the fastener, and the guide surface is provided on the first protrusion;

[0009] The decorative cover mechanism is provided with a protruding second protrusion on the end surface facing the pulley mechanism, and the matching surface is provided on the second protrusion.

[0010] In a possible design, the first protrusion is provided with a first groove at one end close to the decorative cover mechanism, and the first groove is inclined near the groove wall of the limiting portion to form the guide surface;

[0011] The second protrusion is arranged on the outer periphery of the adjustment hole and one end is inserted into the first groove. The second protrusion is inclined near the end surface of the limiting portion to form the matching surface.

[0012] In a possible design, there are multiple first grooves, each of which is provided with the guide surface; there are multiple second protrusions, each of which is provided with a mating surface; and the second protrusions are plugged into the first grooves in a one-to-one correspondence.

[0013] In a possible design, two of the first grooves and two of the second protrusions are provided, the two first grooves are arranged to be spaced apart along the second direction, the screw hole is provided between the two first grooves, and the second direction is perpendicular to the first direction.

[0014] In a possible design, the decorative cover mechanism includes a detachably connected pressing block and a decorative cover, the limiting portion and the adjustment hole are both arranged on the pressing block, and the decorative cover is arranged on the side of the pressing block facing away from the pulley mechanism to cover the pressing block.

[0015] In a possible design, the pressing block includes a detachably connected main body and a gasket, the main body and the gasket are stacked, and the gasket is provided with the second protrusion on the end surface facing away from the main body;

[0016] The gasket is provided with a first flange at one end in the first direction, and the main body is provided with a second flange, the second flange is overlapped on the first flange, and the first flange and the second flange constitute the limiting portion.

[0017] A possible design is that the main body is provided with a positioning hole passing through it, the decorative cover is provided with a protruding column on the end face facing the main body, and the gasket is provided with a protruding positioning column on the end face facing the main body; the column and the positioning column are both inserted into the positioning hole, and the column is plugged into the positioning column to relatively position the decorative cover, the main body and the gasket.

[0018] In a possible design, the pulley mechanism has a bending portion at one end in the first direction for abutting against the top or bottom surface of the sliding door, the bending portion corresponds to the limiting portion and is provided with a notch, and one end of the limiting portion extends into the notch.

[0019] An embodiment of the present disclosure provides a shower room, comprising a sliding door and the above-mentioned pulley assembly, wherein the pulley assembly is arranged on the sliding door.

[0020] The pulley assembly of the disclosed embodiment is provided with an inclined guide surface so that the limiting portion can press against the top or bottom surface of the sliding door after installation, offsetting the processing tolerance gap reserved during the production of the sliding door, and ensuring that the decorative cover mechanism is installed in the correct position without tilting.

[0021] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0023] Figure 1 is a schematic diagram of a pulley assembly according to an embodiment of the present invention;

[0024] Figure 2 for Figure 1 Schematic diagram of a cross section of the pulley assembly;

[0025] Figure 3 for Figure 1 The first split diagram of the pulley assembly;

[0026] Figure 4 for Figure 1 The second split diagram of the pulley assembly;

[0027] Figure 5 for Figure 1 The third split diagram of the pulley assembly;

[0028] Figure 6 for Figure 1 Schematic diagram of the decorative cover mechanism disassembly;

[0029] Figure 7 for Figure 1 A local enlarged schematic diagram of point A in FIG;

[0030] Figure 8 for Figure 3 A local enlarged schematic diagram of point B in FIG;

[0031] Figure 9 for Figure 3 A local enlarged schematic diagram of point C in FIG;

[0032] Figure 10 is a schematic diagram of a pulley assembly according to another embodiment of the present invention;

[0033] Figure 11 for Figure 10 Schematic diagram of the pulley assembly disassembled in.

[0034] Figure markings: 1- pulley mechanism, 2- decorative cover mechanism, 3- sliding door, 4- first end face, 5- limiting portion, 6- pressure block, 7- decorative cover, 8- adjusting hole, 9- fastener, 10- first protrusion, 11- screw hole, 12- first groove, 13- guide surface, 14- main body, 15- gasket, 16- second flange, 17- first flange, 18- second protrusion, 19- mating surface, 20- positioning column, 21- pulley gasket, 22- pulley body, 23- pulley frame, 24- pulley, 25- first bolt, 26- column, 27- positioning hole, 28- notch, 29- socket, 30- first channel, 31- second channel, 32- guide surface, 33- pulley cover, 34- adjusting column, 35- spring, 36- bending portion, 37- center portion, 38- periphery. DETAILED DESCRIPTION

[0035] To make the purpose, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any manner.

[0036] First, there is no positioning structure between the existing decorative cover mechanism and the sliding door, which makes it difficult to ensure that the decorative cover mechanism does not tilt during assembly, resulting in improper installation. Even if the installation is good, the decorative cover mechanism may still tilt after a collision, affecting the user experience.

[0037] See also Figures 1 to 11The pulley assembly of the disclosed embodiment is disposed at the top or bottom of a sliding door 3. The pulley assembly includes a pulley mechanism 1 and a decorative cover mechanism 2, located on either side of the sliding door 3. The pulley mechanism 1 and the decorative cover mechanism 2 are connected and secured to the sliding door 3 via fasteners 9. The decorative cover mechanism 2 has an adjustment hole 8 through which the fastener 9 passes. The decorative cover mechanism 2 also has a stopper 5 located at one end of the decorative cover mechanism 2 in a first direction. The stopper 5 abuts against the top or bottom surface of the sliding door 3 to lock the decorative cover mechanism 2. The adjustment hole 8 is an elongated hole arranged along the first direction, allowing the decorative cover mechanism 2 to slide relative to the fastener 9 in the first direction. Furthermore, one of the pulley mechanism 1 and the decorative cover mechanism 2 has an inclined guide surface 13, the other of which is configured to abut against the guide surface 13. This allows the decorative cover mechanism 2 to slide in the first direction when it approaches the pulley mechanism 1, while also keeping the stopper 5 in contact with the sliding door. Therefore, the pulley assembly is provided with an inclined guide surface 13 so that the limiting portion 5 can press against the top or bottom surface of the sliding door 3 after installation, offsetting the processing tolerance gap reserved during the production of the sliding door 3, and ensuring that the decorative cover mechanism 2 is installed in the correct position without tilting.

[0038] In some exemplary embodiments, Figures 1 to 9 As shown, the pulley assembly is an upper pulley, mounted on the top of the sliding door 3. The stopper 5 can abut against the top surface (first end surface 4) of the sliding door 3 to lock the decorative cover mechanism 2 and relatively fix the sliding door 3 and the decorative cover mechanism 2. The first direction is the height direction of the sliding door 3, the second direction is the width direction of the sliding door 3, and the third direction is the thickness direction of the sliding door 3. The first, second, and third directions are mutually perpendicular. The guide surface 13 is located on the pulley mechanism 1, and the decorative cover mechanism 2 is correspondingly provided with an inclined mating surface 19. The mating surface 19 is parallel to the guide surface 13 and abuts against the guide surface 13.

[0039] Another example Figures 3 to 5 ,as well as Figure 9As shown, the pulley mechanism 1 includes a pulley washer 21, a pulley body 22, a pulley frame 23, a pulley 24, and a first bolt 25. The pulley 24 is rotatably mounted on the pulley frame 23 via the first bolt 25. The pulley frame 23 is, in turn, bolted to the pulley body 22. The pulley washer 21 is tightly attached to the end surface of the pulley body 22 facing away from the pulley frame 23. Furthermore, the pulley mechanism 1 is provided with a protruding first protrusion 10 on the end surface facing the decorative cover mechanism 2. Correspondingly, the sliding door 3 is provided with a through hole (not shown in the figure). The first protrusion 10 can be inserted into the through hole to fix the sliding door 3 and the pulley mechanism 1 relative to each other. The first protrusion 10 is formed by the pulley washer 21 and the pulley body 22. Specifically, the first protrusion 10 includes a central portion 37 and a peripheral portion 38. The central portion 37 is disposed on the pulley body 22, and the peripheral portion 38 is disposed on the pulley washer 21. The central portion 37 extends through the pulley washer 21, while the peripheral portion 38 surrounds the periphery of the central portion 37. A screw hole 11 is centrally located on the first protrusion 10 for engaging with a fastener 9, such as a bolt. The screw hole 11 extends along the third direction, and the guide surface 13 is located on the first protrusion 10. Specifically, the first protrusion 10 has a first groove 12 at one end near the decorative cover mechanism 2. The first groove 12 is formed by the grooves on the central portion 37 and the peripheral portion 38. The groove wall of the first groove 12 is inclined near the first end surface 4, and this groove wall serves as the guide surface 13. Two first grooves 12 are provided, spaced apart along the second direction, with the screw hole 11 located between the two first grooves 12. Furthermore, the number of first grooves is not limited to two; for example, one, three, or more can be provided, and the number can be controlled as needed. Furthermore, the pulley mechanism 1 is provided with a bent portion 36, which is formed by the pulley washer 21 and the curled edge of the pulley body 22. The bent portion 36 can abut against the first end face 4, thereby locking the pulley mechanism 1.

[0040] Another example Figures 3 to 9As shown, the decorative cover mechanism 2 includes a detachably connected pressing block 6 and a decorative cover 7. The limiting portion 5 and the adjustment hole 8 are both provided on the pressing block 6. The decorative cover 7 is located on the side of the pressing block 6 facing away from the pulley mechanism 1 to cover the pressing block 6. The pressing block 6 also includes a detachably connected main body 14 and a gasket 15. The main body 14 and the gasket 15 are stacked together, and the gasket 15 has a protruding second protrusion 18 on the end surface facing away from the main body 14. Specifically, the main body 14 and the gasket 15 are both plate-shaped. The main body 14 has a positioning hole 27, and the gasket 15 has a protruding positioning post 20 on the end surface facing the main body 14. The positioning post 20 and the positioning hole 27 can be plugged into each other to form the positioning of the main body 14 and the gasket 15. At the same time, the positioning post 20 has a socket 29 at the end facing the decorative cover 7. Correspondingly, the decorative cover 7 has a protruding post 26 that inserts into the socket 29, thereby positioning the main body 14 and the decorative cover 7 relative to each other. Thus, the cooperation between the positioning post 20 and the positioning hole 27, and between the post 26 and the socket 29, positions the main body 14, the gasket 15, and the decorative cover 7 relative to each other. The decorative cover 7 can be snapped onto the main body 14 and secured relative to the main body 14 by an interference fit. The gasket 15 includes a gasket body and a first flange 17 at one end of the gasket body in a first direction, perpendicular to the gasket body. The main body 14 includes a main plate and a second flange 16 at one end of the main plate in the first direction, perpendicular to the main plate and superimposed on the first flange 17. The second flange 16 and the first flange 17 together constitute the aforementioned stopper 5. The gasket 15 is provided with a second channel 31 extending therethrough, and the main body 14 is provided with a first channel 30 extending therethrough. The second channel 31 and the first channel 30 form the aforementioned adjustment hole 8. The second channel 31 and the first channel 30 are elongated holes of corresponding dimensions. Furthermore, the first channel 30 is provided with a frustum-shaped guide surface 32 on its wall, with a larger opening on the side facing the decorative cover 7 to guide the fastener 9 into the adjustment hole 8. The gasket 15 is provided with second protrusions 18 on the end surface facing away from the main body 14. The number and position of the second protrusions 18 correspond to the first grooves 12 described above, namely, two second protrusions 18 are located on either side of the adjustment hole 8. The second protrusions are triangular in shape and are inclined toward the end surface closest to the first end surface 4, forming a mating surface 19.

[0041] When assembling the pulley assembly and the sliding door 3, first position the pulley mechanism 1 on the sliding door 3, that is, insert the first protrusion 10 into the through hole on the sliding door 3; then assemble the main body 14 and the gasket 15 into the pressure block 6, and then align the pressure block 6 with the above-mentioned first protrusion 10, and the second protrusion 18 is also inserted into the through hole on the sliding door 3; then, pass the fastener 9 through the adjustment hole 8 and drive it into the screw hole 11. As the fastener 9 is gradually driven in, the pressure block 6 gradually approaches the pulley mechanism 1, and the guide surface 13 and the mating surface 19 abut against each other, so that the pressure block 6 can move downward along the guide surface 13, so that the limiting portion 5 gradually approaches the first end surface 4 until the limiting portion 5 is pressed tightly against the first end surface 4, and the pressure block 6 can no longer move and is locked on the sliding door 3; finally, buckle the decorative cover 7 on the pressure block 6 to complete the assembly of the pulley assembly.

[0042] After the pulley assembly is assembled to the sliding door 3, the limiting portion 5 is pressed against the top surface of the sliding door 3, and the decorative cover mechanism 2 cannot rotate or move, and is successfully locked on the sliding door 3. Figure 7 As shown, the bent portion 36 of the pulley mechanism 1 abuts against the top surface of the sliding door 3. Furthermore, the bent portion 36 has a notch 28 at one end near the stopper 5. One end of the stopper 5 extends into the notch 28, allowing both the bent portion 36 and the stopper 5 to be arranged on the narrow top surface of the sliding door 3, which has a relatively small thickness. Furthermore, the notch 28 and the stopper 5 form a plug-in connection, and the inner wall of the notch 28 can limit the movement of the inserted portion of the stopper 5 in the second direction (the width direction of the sliding door 3), thereby further limiting the position of the decorative cover mechanism 2 and preventing it from tilting.

[0043] In some exemplary embodiments, Figure 10 and Figure 11As shown, the pulley assembly is a lower pulley, i.e., the pulley assembly is mounted at the bottom of the sliding door 3. The stopper 5 is located at the bottom of the decorative cover mechanism 2 and abuts against the bottom surface of the sliding door 3, locking the decorative cover mechanism 2. The structure of the first protrusion 10 and the decorative cover mechanism 2 is identical to that of the upper pulley described above, with the difference being the pulley mechanism 1. Specifically, the pulley mechanism 1 also includes a pulley washer 21, a pulley body 22, a pulley frame 23, and a pulley 24. The pulley 24 is rotatably mounted on the pulley frame 23 via a first bolt 25, and the pulley washer 21 abuts against the end surface of the pulley body 22 facing away from the pulley frame 23. Like the upper pulley described above, the first protrusion 10 is enclosed by the pulley washer 21 and the pulley body 22, and is also provided with a corresponding first groove and guide surface. Thus, after the pulley assembly is assembled to the sliding door 3, the limiting portion 5 is tightly pressed against the bottom surface of the sliding door 3, and the decorative cover mechanism 2 cannot rotate or move, successfully locked to the bottom of the sliding door 3. Different from the upper pulley described above, the pulley mechanism 1 also includes a pulley cover 33, an adjustment column 34, and a spring 35. The pulley cover 33 is fixed to the pulley body 22 to form a cavity. The adjustment column 34 and spring 35 are disposed in the cavity. The adjustment column 34 can slide up and down in the cavity, and the pulley frame 23 is mounted on the adjustment column 34, allowing the pulley frame 23 to move up and down.

[0044] In some exemplary embodiments, the second protrusion 18 is not provided with an inclined mating surface 19. The second protrusion 18 is square or semicircular, and its end rests on the guide surface 13 on the first protrusion 10. When the pressing block 3 approaches the pulley mechanism 1, the pressing block 3 can still move along the first direction to make the limiting portion 5 approach the top surface or bottom surface of the sliding door 3 until it rests on the sliding door 3, thereby locking the pressing block 3, which can also ensure that the decorative cover mechanism is installed in the correct position.

[0045] In some exemplary embodiments, the inclined guide surface 13 is provided on the second protrusion 18. The end surface of the second protrusion 18 near the stopper 5 serves as the guide surface 13, and its shape can be similar to the mating surface in the above-described example. The first protrusion 10 is provided with a protrusion whose end is not provided with an inclined surface and directly abuts against the guide surface of the second protrusion 18. As the pressing block 3 approaches the pulley mechanism 1, the pressing block 3 can still move in the first direction, causing the stopper 5 to approach the top or bottom surface of the sliding door 3 until it abuts against the sliding door 3, locking the pressing block 3 and thus ensuring that the decorative cover mechanism is properly installed.

[0046] In some exemplary embodiments, a shower room includes a sliding door and the above-mentioned pulley assembly, wherein the pulley assembly is disposed on the sliding door.

[0047] In combination with the above embodiments, the pulley assembly of the embodiment of the present disclosure is provided with an inclined guide surface so that the limiting part can be pressed against the top surface or bottom surface of the sliding door after installation, offsetting the processing tolerance gap reserved during the production of the sliding door, and ensuring that the decorative cover mechanism is installed in the correct position without tilting.

[0048] In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "relative", "four corners", "periphery", ""mouth"-shaped structure", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0049] In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "connection," "direct connection," "indirect connection," "fixed connection," "installation," and "assembly" should be understood in a broad sense. For example, they may refer to a fixed connection, a detachable connection, or an integral connection. The terms "installation," "connection," and "fixed connection" may refer to a direct connection, an indirect connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0050] Although the embodiments disclosed herein are as described above, the contents described herein are merely embodiments for facilitating understanding of the present invention and are not intended to limit the present invention. Any person skilled in the art may make any modifications and variations in the form and details of the embodiments without departing from the spirit and scope of the present invention. However, the scope of patent protection of the present invention shall still be defined by the appended claims.

Claims

1. A pulley assembly, disposed at the top or bottom of a sliding door, comprising a pulley mechanism and a decorative cover mechanism located on either side of the sliding door, the pulley mechanism and the decorative cover mechanism being connected by a fastener, the decorative cover mechanism being provided with an adjustment hole for the fastener to pass through, characterized in that: The decorative cover mechanism is provided with a limiting portion, which is arranged at one end of the decorative cover mechanism in the first direction and is used to abut against the top surface or the bottom surface of the sliding door to lock the decorative cover mechanism; The adjustment hole is configured as a long hole arranged along the first direction, so as to allow the decorative cover mechanism to slide relative to the fastener along the first direction; One of the pulley mechanism and the decorative cover mechanism is provided with an inclined guide surface, and the other is arranged to abut against the guide surface, so as to guide the decorative cover mechanism to slide along the first direction when the decorative cover mechanism approaches the pulley mechanism so that the limiting portion abuts against the top surface or bottom surface of the sliding door.

2. The pulley assembly according to claim 1, wherein: The guide surface is provided on the pulley mechanism, and the decorative cover mechanism is provided with an inclined matching surface, which is parallel to the guide surface and abuts against the guide surface.

3. The pulley assembly according to claim 2, wherein: The pulley mechanism is provided with a protruding first protrusion on the end surface facing the decorative cover mechanism, the first protrusion is provided with a screw hole for cooperating with the fastener, and the guide surface is provided on the first protrusion; The decorative cover mechanism is provided with a protruding second protrusion on the end surface facing the pulley mechanism, and the matching surface is provided on the second protrusion.

4. The pulley assembly according to claim 3, wherein: The first protrusion is provided with a first groove at one end close to the decorative cover mechanism, and the first groove is inclined near the groove wall of the limiting portion to form the guide surface; The second protrusion is arranged on the outer periphery of the adjustment hole and one end is inserted into the first groove. The second protrusion is inclined near the end surface of the limiting portion to form the matching surface.

5. The pulley assembly according to claim 4, wherein: There are multiple first grooves, and the guide surface is provided in each of the multiple first grooves; there are multiple second protrusions, and the matching surface is provided in each of the multiple second protrusions; the second protrusions are plugged into the first grooves in a one-to-one correspondence.

6. The pulley assembly according to claim 5, wherein: There are two of each of the first grooves and the second protrusions. The two first grooves are arranged to be spaced apart along the second direction. The screw hole is provided between the two first grooves. The second direction is perpendicular to the first direction.

7. The pulley assembly according to any one of claims 3 to 6, characterized in that: The decorative cover mechanism includes a detachably connected pressing block and a decorative cover. The limiting portion and the adjustment hole are both arranged on the pressing block. The decorative cover is arranged on a side of the pressing block facing away from the pulley mechanism to cover the pressing block.

8. The pulley assembly according to claim 7, wherein: The pressing block comprises a main body and a gasket which are detachably connected, the main body and the gasket are stacked, and the gasket is provided with the second protrusion on the end surface facing away from the main body; The gasket is provided with a first flange at one end in the first direction, and the main body is provided with a second flange, the second flange is overlapped on the first flange, and the first flange and the second flange constitute the limiting portion.

9. The pulley assembly according to claim 8, wherein: The main body is provided with a positioning hole passing through it, the decorative cover is provided with a protruding column on the end surface facing the main body, and the gasket is provided with a protruding positioning column on the end surface facing the main body; the column and the positioning column are both inserted into the positioning hole, and the column is plugged into the positioning column to relatively position the decorative cover, the main body and the gasket.

10. The pulley assembly according to any one of claims 1 to 6, characterized in that: One end of the pulley mechanism in the first direction is provided with a bending portion for abutting against the top surface or bottom surface of the sliding door. The bending portion corresponds to the limiting portion and is provided with a notch, and one end of the limiting portion extends into the notch.

11. A shower room comprising a sliding door, characterized in that: It also includes a pulley assembly according to any one of claims 1 to 10, wherein the pulley assembly is arranged on the sliding door.

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