Lifting roller of lifting window

By designing a simplified lifting roller structure, including components such as pulley housing, pulley, connecting screw, brake rod, and limit spring, the problem of complex and high cost of existing lifting roller structures for window lifts has been solved, achieving the effects of cost reduction and simplified installation.

CN223647623UActive Publication Date: 2025-12-09YONGAN XINGTAI (BEIJING) CONSTRUCTION ENGINEERING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423102327.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-09
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing window lift rollers have complex structures, resulting in high prices and high installation and maintenance costs.

Method used

A lifting roller structure was designed, comprising a pulley housing, a pulley, a connecting screw, a brake rod, a limiting rack, a pulley connecting shaft, a limiting spring, a brake rod connecting shaft, a rotating connecting rod, and a limiting rack connecting shaft. Through the cooperation of the brake rod and the limiting spring, the pulley can be controlled and automatically closed, simplifying the installation process.

Benefits of technology

It reduces the cost of the lifting rollers for window lifts, simplifies the installation process, and improves the convenience and economy of maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223647623U_ABST
    Figure CN223647623U_ABST
Patent Text Reader

Abstract

The utility model provides a lifting roller of a lifting window, which relates to the technical field of lifting roller instruments and comprises a pulley shell, a pulley, a connecting screw, a brake rod, a limit rack, a pulley connecting shaft, a limit spring, a brake rod connecting shaft, a rotary connecting rod and a limit rack connecting shaft. The two sides of a connecting groove in the top of the pulley shell are each provided with a set of round connecting holes, and threaded shafts on the outer surfaces of connecting screws are connected into the round holes in the connecting groove in the top of the pulley shell in a fastened mode. Two groups of circular connecting holes in one side in a square groove formed in the middle of the pulley shell are rotationally connected with circular connecting holes in the middle of the pulley through pulley connecting shafts; the top of the pulley connecting shaft is connected with a circular connecting hole in one side of the rotary connecting rod in a fastened mode. The brake rod can control the pulley, and the brake rod can be opened by pressing the rear portion of the rear end of the brake rod. And the limiting spring is arranged, so that the brake rod can be automatically closed under the condition that the brake rod is not pulled. And the device can be quickly mounted on a sliding window by arranging a connecting screw.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of lifting roller devices, and more specifically, it relates to a lifting roller for lifting windows. Background Technology

[0002] The lifting roller technology of lift windows is a crucial component of intelligent electric lift windows, possessing significant technological advantages and application value. This technology combines modern electronic and mechanical transmission technologies, achieving smooth window raising and lowering and safe control through precise gear transmission and a high-efficiency DC motor drive. The lifting roller, as a key component of the transmission mechanism, ensures the stability and smoothness of the window during the raising and lowering process. Furthermore, intelligent electric lift windows also feature intelligence, energy efficiency, high safety, quiet operation, and multifunctionality, making them widely used in buildings, vehicles, and other fields, bringing great convenience and comfort to people's lives. Similarly, in sliding door systems, the lift-and-slide technology utilizes a similar principle, controlling the raising and lowering of the door leaf through a transmission mechanism to achieve the opening and locking of the door.

[0003] Based on the above, the lifting roller structure of the window is relatively complex, and the precision manufacturing results in a high price, as well as high installation and maintenance costs. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a lifting roller for a lift window, thereby solving the issues of complex structure, high cost, and high installation and maintenance costs associated with existing lift rollers for lift windows.

[0005] The lifting roller of this utility model for a lift window is achieved by the following specific technical means:

[0006] A lifting roller for a lift window includes a pulley housing, a pulley, a connecting screw, a brake rod, a limiting rack, a pulley connecting shaft, a limiting spring, a brake rod connecting shaft, a rotating connecting rod, and a limiting rack connecting shaft. The pulley housing has a set of circular connecting holes on each side of the connecting groove at the top, and the threaded shaft on the outer surface of the connecting screw is fastened to the circular holes in the connecting groove at the top of the pulley housing. Two sets of circular connecting holes on one side of the square groove in the middle of the pulley housing are rotatably connected to the circular connecting hole in the middle of the pulley via the pulley connecting shaft. The top of the pulley connecting shaft is fastened to the circular connecting hole on one side of the rotating connecting rod, and the circular connecting hole at the bottom of the rotating connecting rod is rotatably connected to the circular connecting holes on both sides of the limiting rack via the limiting rack connecting shaft. A set of circular connecting holes is located on the lower part of one side of the pulley housing, and the circular connecting hole on the square connecting block in the middle of the brake rod is rotatably connected to the circular connecting hole on the lower part of one side of the pulley housing via the rotating connecting shaft. A set of circular connecting holes is located on the connecting shaft at the bottom of the brake rod, and the limiting spring is movably connected to the circular connecting hole on the connecting shaft at the bottom of the brake rod.

[0007] Furthermore, the limiting rack has an array of triangular serrations on one side, and the brake rod front end has a set of triangular serrations that mesh with the triangular serrations on one side of the limiting rack.

[0008] Furthermore, a set of open square connecting grooves is provided inside one side of the pulley housing, and the limiting rack and the rotating connecting rod are movably connected in the open square connecting grooves inside one side of the pulley housing.

[0009] Furthermore, a set of square movable connecting grooves is provided on one side of the bottom of the pulley housing, and a brake rod is movably connected in the square movable connecting groove on one side of the bottom of the pulley housing.

[0010] Furthermore, a set of circular connecting holes are provided in the circular column on the bottom surface of the square groove on one side of the pulley housing, and a limit spring is movably connected in the circular connecting hole in the circular column on the bottom surface of the square groove on one side of the pulley housing.

[0011] Furthermore, the pulley has a set of annular grooves in the middle, and a set of rounded corners on each side of the annular grooves in the middle of the pulley.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model can control the pulley by setting a brake lever. Pressing the rear end of the brake lever will open the pulley.

[0014] 2. This utility model uses a limit spring to enable it to close automatically, so that the brake lever will close automatically without being moved.

[0015] 3. This utility model allows for quick installation of the device on a sliding window by using connecting screws. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the internal structure of the main body of this utility model.

[0018] Figure 3 This is a schematic diagram of the braking device of this utility model.

[0019] Figure 4 This is a cross-sectional structural schematic diagram of the braking device of this utility model.

[0020] Figure 5 This is a structural schematic diagram of the side of the main body of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Pulley housing; 2. Pulley; 3. Connecting screw; 4. Brake lever; 5. Limiting rack; 201. Pulley connecting shaft; 401. Limiting spring; 402. Brake lever connecting shaft; 501. Rotating connecting rod; 502. Limiting rack connecting shaft. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] Example:

[0025] As attached Figure 1 To be continued Figure 5 As shown:

[0026] This utility model provides a lifting roller for a lift window, including a pulley housing 1, a pulley 2, a connecting screw 3, a brake rod 4, a limiting rack 5, a pulley connecting shaft 201, a limiting spring 401, a brake rod connecting shaft 402, a rotating connecting rod 501, and a limiting rack connecting shaft 502. A set of circular connecting holes is provided on each side of the connecting groove at the top of the pulley housing 1, and the threaded shaft on the outer surface of the connecting screw 3 is tightly connected to the circular holes on the connecting groove at the top of the pulley housing 1. Two sets of circular connecting holes on one side of the square groove in the middle of the pulley housing 1 and the circular connecting hole in the middle of the pulley 2 are rotatably connected via the pulley connecting shaft 201. The top of the pulley connecting shaft 201 is tightly connected to the circular connecting hole on one side of the rotating connecting rod 501, and the circular connecting hole at the bottom of the rotating connecting rod 501 is rotatably connected to the circular connecting holes on both sides of the limiting rack 5 through the limiting rack connecting shaft 502; a set of circular connecting holes is provided on the lower part of one side of the pulley housing 1, and the circular connecting hole on the square connecting block in the middle of the brake rod 4 is rotatably connected to the circular connecting hole on the lower part of one side of the pulley housing 1 through the rotating connecting shaft; a set of circular connecting holes is provided on the bottom connecting shaft of the brake rod 4, and the limiting spring 401 is movably connected in the circular connecting hole on the bottom connecting shaft of the brake rod 4.

[0027] The limiting rack 5 has an array of triangular serrations on one side, and the brake lever 4 has a set of triangular serrations at the front end that mesh with the triangular serrations on one side of the limiting rack 5 to control sliding and braking.

[0028] The pulley housing 1 has an open square connecting groove on one side, and the limiting rack 5 and the rotating connecting rod 501 are movably connected in the open square connecting groove on one side of the pulley housing 1 for rotational connection control.

[0029] Among them, a set of square movable connecting grooves are provided on one side of the bottom of the pulley housing 1, and a brake rod 4 is movably connected in the square movable connecting groove on one side of the bottom of the pulley housing 1, which can be bent to lock the connection.

[0030] Among them, a set of circular connecting holes are provided in the circular column on the bottom surface of the square groove on one side of the pulley housing 1, and a limit spring 401 is movably connected in the circular connecting hole in the circular column on the bottom surface of the square groove on one side of the pulley housing 1 to brake it.

[0031] The pulley 2 has a set of annular grooves in the middle, and each side of the annular grooves in the middle of the pulley 2 has a set of rounded corners to reduce friction when it slides.

[0032] The specific usage and function of this embodiment are as follows:

[0033] In this utility model, the device is fastened to the window by the connecting screw 3, and then the pulley 2 is slidably connected to the track. When sliding, the pulley 2 is driven to rotate. The pulley 2 drives the rotating connecting rod 501 to rotate through the pulley connecting shaft 201. Then the rotating connecting rod 501 drives the limiting rack 5 to rotate through the limiting rack connecting shaft 502. The serrations on the limiting rack 5 mesh with the brake rod 4 to achieve a braking effect. When the brake rod 4 is turned, a force needs to be applied under the restriction of the limiting spring 401. It cannot be turned or slid without being turned.

[0034] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. A lifting roller for a lift window, characterized in that: It includes a pulley housing (1), a pulley (2), a connecting screw (3), a brake lever (4), a limiting rack (5), a pulley connecting shaft (201), a limiting spring (401), a brake lever connecting shaft (402), a rotating connecting rod (501), and a limiting rack connecting shaft (502). The pulley housing (1) has a set of circular connecting holes on each side of the connecting groove at the top, and the threaded shaft on the outer surface of the connecting screw (3) is fastened to the circular hole on the connecting groove at the top of the pulley housing (1); the two sets of circular connecting holes on one side of the square groove in the middle of the pulley housing (1) are rotatably connected to the circular connecting hole in the middle of the pulley (2) through the pulley connecting shaft (201); the top of the pulley connecting shaft (201) is fastened to the circular connecting hole on one side of the rotating connecting rod (501), and the circular connecting hole at the bottom of the rotating connecting rod (501) is rotatably connected to the circular connecting holes on both sides of the limiting rack (5) through the limiting rack connecting shaft (502); The pulley housing (1) has a set of circular connecting holes on one side of the lower part, and the circular connecting hole on the square connecting block in the middle of the brake rod (4) is rotatably connected to the circular connecting hole on one side of the pulley housing (1) through the rotating connecting shaft; the brake rod (4) has a set of circular connecting holes on the bottom connecting shaft, and the limiting spring (401) is movably connected to the circular connecting hole on the bottom connecting shaft of the brake rod (4).

2. The lifting roller of a lift window as described in claim 1, characterized in that: The limiting rack (5) has an array of triangular serrations on one side, and the brake rod (4) has a set of triangular serrations at the front end that mesh with the triangular serrations on one side of the limiting rack (5).

3. The lifting roller of a lift window as described in claim 1, characterized in that: The pulley housing (1) has a set of open square connecting grooves on one side, and the limiting rack (5) and the rotating connecting rod (501) are movably connected in the open square connecting grooves on one side of the pulley housing (1).

4. The lifting roller of a lift window as described in claim 1, characterized in that: The bottom of one side of the pulley housing (1) is provided with a set of square movable connecting grooves, and a brake rod (4) is movably connected in the square movable connecting groove on one side of the bottom of the pulley housing (1).

5. The lifting roller of a lift window as described in claim 1, characterized in that: A set of circular connecting holes are provided in the circular column on the bottom surface of the square groove on one side of the pulley housing (1), and a limit spring (401) is movably connected in the circular connecting hole in the circular column on the bottom surface of the square groove on one side of the pulley housing (1).

6. The lifting roller of a lift window as described in claim 1, characterized in that: The pulley (2) has a set of annular grooves in the middle, and a set of rounded corners is provided on both sides of the annular grooves in the middle of the pulley (2).