自调节滑轮模组
By designing a self-adjusting pulley module and utilizing the internal space guidance and limiting components of the bearing seat, the high manufacturing and assembly difficulties caused by the guide structure in the existing technology are solved, thereby improving the stability and smooth operation of the pulley module.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN NANHAI OUBOKAI DOOR & WINDOW FITTINGS CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing pulley modules require additional guide structures to control and adjust the movement of the drive components, which makes manufacturing and assembly difficult and poses a risk of deviating from the guide trajectory.
The design adopts a self-adjusting pulley module that does not require an additional guide structure. By adjusting the width of the drive component to match the internal space of the support, the pulley achieves stable displacement by using the two sides of the internal space for guidance and limiting, combined with the limiting component.
The structural design has been optimized, reducing assembly difficulty, improving the smoothness and reliability of the pulley module's operation, preventing jamming, and enhancing the stability and service life of the pulley module.
Smart Images

Figure CN224514988U_ABST
Abstract
Claims
1. Self-adjusting pulley module, characterized in that, include: A support (1) with an internal space (10) is constructed. Multiple load-bearing wheel assemblies (2) are movably and linearly arranged in the internal space (10). The load-bearing wheel assembly (2) includes a pulley (22) and load-bearing guides (21') disposed at both ends of the pulley (22). An adjustment drive member (5) is provided between adjacent load-bearing wheel assemblies (2) in accordance with the width of the internal space (10). The adjustment drive member (5) is provided with an adjustment drive part (51) on both sides, which is at least partially coupled to the corresponding load-bearing guide part (21'), and can move along both sides of the internal space (10) in response to the force of the load-bearing guide part (21').
2. Self-adjusting pulley module according to claim 1, characterized in that Also includes: The first limiting member (3) and the second limiting member (4) are disposed at intervals in the internal space (10) for limiting the load-bearing wheel assembly (2) on the side, and are respectively constructed with a first limiting coupling part (31) and a second limiting coupling part (41) that are at least partially coupled to the corresponding load-bearing guide part (21'). In response to changes in the flatness of the bearing section (100), the bearing guide section (21') interacts with the adjustment drive section (51), the first limiting coupling section (31), and the second limiting coupling section (41) respectively to keep each pulley (22) in bearing contact with the bearing section (100).
3. Self-adjusting pulley module according to claim 1, characterized in that The adjustment drive component (5) includes two drive blocks (52) arranged opposite to each other, and a connecting rib (53) connecting the upper ends of the two drive blocks (52). The adjustment drive part (51) is constructed from the periphery of the drive blocks (52).
4. Self-adjusting pulley module according to claim 3, characterized in that The connecting rib (53) is located at the upper middle part of the two driving blocks (52), the pulley (22) is placed between the two driving blocks (52), and the adjusting driving component (5) is located on the opposite sides of the connecting rib (53) with clearance notches (54). The clearance notches (54) of two adjacent adjusting driving components (5) enclose and form an area to accommodate the upper part of the pulley (22).
5. Self-adjusting pulley module according to claim 3, characterized in that The top of the drive block (52) is rounded.
6. Self-adjusting pulley module according to claim 1, characterized in that The bearing seat (1) has insertion ports (103) at both ends that connect to the internal space (10). The adjustment drive component (5) can be inserted into the internal space (10) in a linear direction through the insertion ports (103).
7. Self-adjusting pulley module according to claim 2, characterized in that The bearing guide (21') is configured as an arc surface or an inclined surface; the adjustment drive (51) is configured as an arc surface or an inclined surface coupled to the bearing guide (21'); and / or, the first limiting coupling part (31) is configured as an arc surface or an inclined surface coupled to the bearing guide (21'); the second limiting coupling part (41) is configured as an arc surface or an inclined surface coupled to the bearing guide (21').
8. Self-adjusting pulley module according to claim 1, characterized in that The pulley (22) has a bearing guide (21) on its end side. The bearing guide (21') is constructed from the outer periphery of the bearing guide (21). The bearing seat (1) has a support member (14) at its bottom. The bearing guide (21) is maintained in the internal space (10) of the bearing seat (1) by the support member (14). The adjustment drive member (5) and the support member (14) are maintained in the internal space (10) in a non-contact manner by the interaction between the bearing guide (21) and the support member (14).
9. Self-adjusting pulley module according to claim 1, characterized in that The support (1) includes a top plate (12) and two side plates (13), which together form the internal space (10), and the adjustment drive component (5) slides with the side plates (13).
10. Self-adjusting pulley module according to claim 9, characterized in that The bottom of both side plates (13) extends into the inner space (10) with support members (14). A clearance space is formed between the support members (14) on both sides for the pulley (22) to extend out of the bearing seat (1). The pulley (22) has a bearing guide (21) on its end side. The bearing guide (21') is constructed from the outer periphery of the bearing guide (21). The bearing guide (21) is maintained in the inner space (10) of the bearing seat (1) by the support members (14). The adjustment drive member (5) and the support member (14) are maintained in the inner space (10) in a non-contact manner by the interaction between the bearing guide (21) and the support member (14).