IP Library Granted Patent US 12,404,709
Granted Patent B2
US 12,404,709 · App. 18/387,493 · Granted Sep 2, 2025

Adjustable pulley structure for shower room

Inventor: Shengquan Chen (Zhongshan, CN)
Assignee: Zhongshan Wellbo Sanitary Co., Ltd.
E05D13/00E05D15/06E05Y2201/688E05Y2900/114
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Quick Facts
Patent No.
US 12,404,709
App. No.
18/387,493
Granted
Sep 2, 2025
Kind
B2
Abstract

The present disclosure discloses an adjustable pulley structure for a shower room, which includes a mounting structure and a pulley assembly, wherein the mounting structure includes a mounting seat, a gland, a mounting column, a worm gearing structure and an adjustment screw; an end surface of the mounting seat is integrally formed with a convex block with an adjusting strip-shaped concave cavity; the convex block is provided with a transverse perforation, and the convex block is provided with a vertical through hole communicated with the transverse perforation; the mounting column is provided in the adjusting strip-shaped concave cavity, the adjusting screw is in threaded connection with the vertical through hole, the worm gearing structure is connected with the adjusting screw; and the pulley assembly is fixed on the mounting column.

Claims (29)

1. An adjustable pulley structure for a shower room, comprising a mounting structure and a pulley assembly, wherein: the mounting structure comprises a mounting seat, a gland, a mounting column, a worm gearing structure and an adjusting screw; an end surface of the mounting seat is integrally formed with a block with a cavity;

the block is provided with a transverse perforation, the block is provided with a vertical through hole communicated with the transverse perforation, and the vertical through hole is provided in the same direction as an axis of the pulley assembly;

the mounting column is provided in the cavity, and the worm gearing structure penetrates through the transverse perforation;

the adjusting screw is in threaded connection with the vertical through hole, and the worm gearing structure is connected with the adjusting screw;

the pulley assembly is fixed on the mounting column;

the gland is fixed on the mounting seat by screws;

wherein the worm gearing structure comprises a stud and a locking gear fixed at an end of the stud;

the stud penetrates through the transverse perforation, the locking gear is engaged with a thread of the adjusting screw;

the adjusting screw rotates and realizes movement adjustment of the mounting column in the cavity through the locking gear;

wherein the mounting structure further comprises a door leaf clamping structure;

the door leaf clamping structure is provided between the gland and the mounting seat, and the door leaf is positioned in the door leaf clamping structure;

wherein a circular cavity is provided on a side surface of the mounting seat far away from the pulley assembly;

an adjusting disc is provided in the circular cavity;

a circular recessed area is provided on a side surface of the adjusting disc, and an inner wall of the circular recessed area is evenly provided with tooth grooves; and

a transmission gear is fixed on the adjusting screw, and the transmission gear is located in the circular recessed area and is engaged with the tooth groove.

2. The adjustable pulley structure for the shower room according to claim 1 , wherein a decorative cover is provided on a side surface of the mounting seat, and the screw passes through the mounting seat and is fixed with the decorative cover;

the decorative cover is provided with an adjusting hole position;

an adjusting nut is fixed at a middle part of the side surface of the adjusting disc, and the adjusting hole position is matched with the adjusting nut.

3. The adjustable pulley structure for the shower room according to claim 2 , wherein the door leaf clamping structure comprises an inner splint and an outer splint;

a through hole matched with a shape of the convex block is provided at a middle part of the inner splint and the outer splint;

side surfaces of the inner splint and the outer splint are both provided with abutting convex strips;

the abutting convex strips of the inner splint and the outer splint are clamped on an inner wall of a hole of the door leaf, and the inner splint and the outer splint are abutted against symmetrical side surfaces of the door leaf, respectively, and are abutted and positioned by the gland and the mounting seat.

4. The adjustable pulley structure for the shower room according to claim 3 , wherein a diameter of the transmission gear is smaller than an inner diameter of the circular recessed area.

5. The adjustable pulley structure for the shower room according to claim 1 , wherein the pulley assembly comprises a pulley seat, a bearing and a pulley body;

the pulley seat is fixed on a side surface of the mounting column by screws, and the pulley body is fixed on the pulley seat by the bearing.

6. The adjustable pulley structure for the shower room according to claim 5 , wherein an end surface of the pulley seat is buckled with a protective cover.

7. The adjustable pulley structure for the shower room according to claim 6 , wherein the mounting column comprises a square column and a circular ring, a circular protrusion is provided on the square column, the circular ring is sleeved on the circular protrusion, the pulley seat is attached to a side surface of the circular ring, and screws pass through the pulley seat and the circular ring and are screwed with the circular protrusion;

a width of the square column is matched with a width of the cavity, and a length of the square column is small than a length of the cavity;

the transverse perforation is provided in a length direction of the cavity.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2023
From: CHEN, SHENGQUAN
To: ZHONGSHAN WELLBO SANITARY CO., LTD.
Reel/Frame 065477/0363 →
Priority Claims (1)
CN 202311217941.6 · Sep 20, 2023 · national
Continuity (1)
Related Publication 20250092726A1 · Mar 20, 2025
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