Closed loop belt and chain drive suspension

Abstract

This invention discloses a closed-loop belt-shaped circulating transmission suspension device, relating to the technical field of home hardware and door and window accessories. The device includes a protective shell, waterproof end caps covering the openings at both ends of the protective shell's cross-section, a track assembly fixed within the inner cavity of the protective shell, a closed-loop belt-shaped circulating transmission component, and several hook-fitting parts. The protective shell forms an internal receiving cavity with a through-hole clearance opening at the bottom. The upper edge of the clearance opening extends towards the internal receiving cavity to form a load-bearing support edge. A mounting seat is slidably fitted onto the outer wall of the protective shell to accommodate different installation spans. The closed-loop belt-shaped circulating transmission component is guided and positioned on the track assembly, with its downward load-bearing section supported and attached to the load-bearing support edge. The hook-fitting parts are connected to the transmission component and extend outward through the clearance opening. Through the structural design of the load-bearing support edge and waterproof end caps, this invention protects the internal transmission component from wind and rain erosion, distributes the vertical load across the outer shell, and eliminates the risk of the flexible transmission component sagging and deforming over long spans.

Description

Technical Field

[0001] This invention relates to the field of home drying and hardware door and window accessories, specifically to a closed-loop belt-shaped circulating transmission suspension device. Background Technology

[0002] With the evolution of modern residential design, balcony enclosures often employ a combination of large fixed glass panels and small casement windows. In practice, this design restricts the operator's movement to a limited area of ​​the operable windows, making it difficult to effectively utilize the space outside the large fixed glass panel for hanging items.

[0003] Existing circulating transmission suspension devices mostly use open chains or ordinary belt drives. These devices have significant technical drawbacks: First, the entire weight of the suspended object acts directly on the transmission belt or chain, which, in applications with spans exceeding 2 meters, easily leads to strain on the transmission components, severe sag, or even derailment and jamming. Second, the lack of standardized protection at both ends makes the cavity highly susceptible to water and sand ingress in rainy and dusty outdoor environments, causing rust and damage to the internal transmission wheels and motor. Third, traditional fixed mounting bases cannot accommodate the varying spacing of non-standard window frame columns, hindering standardized mass production and installation. Summary of the Invention

[0004] The purpose of this invention is to provide a closed-loop belt-shaped circulating transmission suspension device to solve the technical problems of existing suspension devices being prone to deformation and sagging over long spans, having poor waterproof protection at both ends, and being unable to adapt to non-standard installation spacing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a closed-loop belt-shaped circulating transmission suspension device, characterized in that it includes a protective shell, waterproof end caps, a track assembly, a closed-loop belt-shaped circulating transmission component, and several hook-up parts; the protective shell forms a receiving cavity extending along its length, and the lower side of the protective shell is provided with a clearance opening extending along its length, the clearance opening communicating with the receiving cavity; the upper edge of the clearance opening extends into the receiving cavity to form a bearing support edge; two sets of waterproof end caps are symmetrically arranged, and the two sets of waterproof end caps are respectively fixed. The protective housing is covered at both ends of the openings along its length; the track assembly is fixedly disposed within the receiving cavity, and the track assembly includes at least one rigid guide rail extending along the length of the protective housing; the closed-loop belt-shaped circulating transmission member is guided and sleeved on the track assembly for cyclic reciprocating motion; the bottom surface of the downward section of the closed-loop belt-shaped circulating transmission member is slidably supported on the upper surface of the bearing support edge; each of the hooking parts is spaced apart and connected to the downward section of the closed-loop belt-shaped circulating transmission member, and the hooking parts extend outward from the protective housing through the clearance opening.

[0006] Compared with the prior art, the present invention has the following advantages:

[0007] 1. Physical structural load distribution eliminates the risk of sag: An innovative load-bearing support edge extends from the bottom opening of the protective shell, with the downward force-bearing section of the closed-loop transmission component directly supported on this edge. The vertical load of the suspended weight is rigidly transmitted to the protective shell through the support edge, and the transmission component itself no longer bears downward gravity, only horizontal tension. This fundamental structural breakthrough overcomes the load-bearing limit of long-span suspensions, ensuring stable operation and preventing sags.

[0008] 2. Double-ended high-sealing protection, extending outdoor life: Waterproof end caps are introduced at both ends of the protective shell openings. Combined with the enclosed shell cross section, the internal track components, reversing wheels and drive mechanism are enclosed in a closed cavity in both the horizontal and vertical directions, completely blocking the possibility of rainwater and dust erosion from the ends from the physical bottom layer.

[0009] 3. Universal adaptability to full-size window frames: By introducing an axially sliding mounting base into the outer wall of the protective shell, this device can dynamically adjust its installation span according to the actual profile column spacing of different building windows, greatly reducing production and inventory costs. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention.

[0011] Figure 2 This is a schematic diagram of the cross-section of the protective shell and the load-bearing mating structure in an embodiment of the present invention.

[0012] Figure 3 This is a side internal sectional view of the transmission component and track structure in an embodiment of the present invention.

[0013] Explanation of markings in the diagram:

[0014] 1- Protective housing;

[0015] 2- Rigid guide rail;

[0016] 3-Closed-loop belt-type circulating transmission component;

[0017] 4-Hanging part;

[0018] 5. Avoid openings;

[0019] 7-Reversing wheel assembly;

[0020] 9-Drive mechanism;

[0021] 11-Waterproof end cap;

[0022] 13-Mounting base;

[0023] 14-Bearing support edge. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] Example 1

[0026] like Figures 1 to 3 As shown, a closed-loop belt-shaped circulating transmission suspension device includes a protective shell 1, a waterproof end cap 11, a track assembly, a closed-loop belt-shaped circulating transmission component 3, and several connecting parts 4.

[0027] The protective housing 1 is made of C-shaped aluminum alloy profile, forming an internal cavity, with a full-length clearance opening 5 at the bottom. The upper edge of the clearance opening 5 extends into the cavity, forming a sturdy support edge 14. Waterproof end caps 11 are tightly fixed at the two end openings of the protective housing 1 to prevent rainwater from entering the internal cavity.

[0028] The outer wall of the protective housing 1 is integrally formed with an axially extending protruding guide rail. The mounting base 13 is a slider with a matching groove, which is fitted onto the protruding guide rail. The mounting base 13 can slide freely, and the construction personnel can slide left and right to adjust the distance between the two sets of mounting bases 13. After adjustment, it is locked and fixed by the fastening screws on the mounting base 13.

[0029] The track assembly is fixed inside the receiving cavity, specifically including a rigid guide rail 2 that runs the entire length of the protective housing 1 along its axial direction, with both ends fixed to the inner wall of the receiving cavity or the waterproof end cap 11. Reversing wheel assemblies 7 are respectively assembled at both ends of the rigid guide rail 2. A closed-loop belt-shaped circulating transmission component 3 passes around the reversing wheel assemblies 7 at both ends and is arranged along the outer side of the rigid guide rail 2, forming a closed loop.

[0030] In the downward section of the transmission component 3, the bottom surface of the belt is laid flat and slidably supported on the upper surface of the bearing support edge 14.

[0031] Multiple hooks 4 are connected to the transmission component 3 at equal intervals and extend downward through the clearance opening 5. When a heavy object is hung on the hook 4, the vertical tension is directly and rigidly lifted by the bearing support edge 14 and transmitted to the protective shell 1, and the belt only circulates in the horizontal direction.

[0032] Example 2

[0033] Based on Embodiment 1, this device is further configured with a drive mechanism 9. The drive mechanism 9 is a miniature motor built into the protective housing and closely attached to the waterproof end cap 11. The output shaft of the motor is connected to the reversing wheel assembly 7 on one side to drive the closed-loop belt-shaped circulating transmission component 3 to perform automated circulation.

[0034] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural modifications made based on the description and drawings of the present invention are similarly included within the patent protection scope of the present invention.

Claims

1. A closed-loop belt-shaped circulating transmission suspension device, characterized in that, The device includes a protective shell, waterproof end caps, a track assembly, a closed-loop belt-shaped circulating transmission component, and several hook-fitting parts. The protective shell has an internal cavity extending along its length. A clearance opening extending along its length and communicating with the cavity is located on the lower side of the protective shell. The upper edge of the clearance opening extends into the cavity, forming a support edge. Two sets of waterproof end caps are symmetrically arranged, each set fixedly covering the openings at both ends of the protective shell along its length to close the two ends of the cavity. The track assembly is fixedly disposed within the cavity and includes at least one rigid guide rail extending along the length of the protective shell. The closed-loop belt-shaped circulating transmission component is guided and sleeved on the track assembly for reciprocating motion. The bottom surface of the downward section of the closed-loop belt-shaped circulating transmission component is slidably supported on the upper surface of the support edge. Each hook-fitting part is spaced apart from the downward section of the closed-loop belt-shaped circulating transmission component and extends through the clearance opening outwards from the protective shell.

2. The closed-loop belt-shaped circulating transmission suspension device according to claim 1, characterized in that, A wear-resistant support is sandwiched between the upper surface of the bearing support edge and the bottom surface of the closed-loop belt-shaped circulating transmission component, and the wear-resistant support is fixed on the bearing support edge.

3. The closed-loop belt-shaped circulating transmission suspension device according to claim 1, characterized in that, The rigid guide rail extends to both ends near the waterproof end cap, and a reversing wheel assembly is provided at both ends of the rigid guide rail. The closed-loop belt-shaped circulating transmission component is wound around the reversing wheel assemblies at both ends to form a closed-loop circuit.

4. The closed-loop belt-shaped circulating transmission suspension device according to claim 3, characterized in that, It also includes a drive mechanism, which is disposed inside the waterproof end cap or the protective housing and is connected to the reversing wheel assembly at one end for transmission.

5. The closed-loop belt-shaped circulating transmission suspension device according to claim 1, characterized in that, The closed-loop belt-shaped circulating transmission component is equipped with a tension adjustment assembly.

6. The closed-loop belt-shaped circulating transmission suspension device according to claim 1, characterized in that, The protective housing has a cross-sectional shape of C-shape, U-shape or square shape; the protective housing is provided with at least two sets of mounting seats, which are slidably guided to the outer wall of the protective housing so that the mounting seats can slide back and forth along the length of the protective housing to adjust the relative installation span between the two sets of mounting seats.

7. The closed-loop belt-shaped circulating transmission suspension device according to claim 1, characterized in that, The closed-loop belt-shaped circulating transmission component is a flexible continuous belt or a segmented hinged belt; the hook part is a suspension ring or hook, and the hook part is detachably connected to the closed-loop belt-shaped circulating transmission component or integrally formed.

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