Umbrella tray
By designing the sleeve and connecting components, the umbrella disc uses a shared sleeve mold, and only the functional expansion area is equipped with suitable accessories, which solves the problem of high production cost of umbrella discs and realizes a simple and low-cost umbrella disc design.
Patent Information
- Application Number
- CN202511117156.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-11
- Publication Date
- 2025-11-21
AI Technical Summary
The production cost of existing umbrella trays is relatively high, mainly because the upper and lower umbrella trays need to be manufactured with separate molds, which increases the mold cost.
The umbrella disc adopts a sleeve and connecting component design. The sleeve and connecting component are connected by a pre-positioning connecting mechanism and a locking mechanism. The connecting component forms a functional expansion area on the sleeve and is locked by a detachable connector. The sleeve mold is shared, and the appropriate functional expansion component is only assembled in the functional expansion area.
This design simplifies the umbrella-shaped structure, reduces manufacturing costs, decreases the number of molds required, and improves assembly efficiency and material utilization.
Smart Images
Figure CN120982846A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of umbrella technology, and in particular to an umbrella disc. Background Technology
[0002] The umbrella disc is a key component on an umbrella, typically used to connect the ribs to the shaft and support the canopy; it is also called the "umbrella nest" or "rib disc." Modern umbrellas usually have two discs: an upper disc (top umbrella nest) for connecting the top of the long ribs and securing the canopy, and a lower disc (sliding umbrella nest) for connecting the bottom of the short ribs and sliding up and down, used in conjunction with the opening and closing mechanism to control the umbrella's unfolding and closing. The basic structure of both discs consists of a disc base and multiple connecting components for the rotating installation of the ribs. The disc base includes a sleeve for fitting onto the shaft, a positioning mechanism for positioning the connecting components, and a locking portion to lock the connecting components in place on the sleeve. Currently, the sleeve and locking part on the umbrella disc are usually a single piece. Since the two types of umbrella discs on the same umbrella have different functions, their structures must be different, especially in the structure of the locking part. Sometimes, functional expansions are made according to the position of the umbrella disc. Based on this, the two umbrella discs used on the same umbrella need to be molded separately and manufactured independently, which leads to higher production and manufacturing costs. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to provide an umbrella disc with a simple structure and low manufacturing cost.
[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: An umbrella tray includes an umbrella tray base and a plurality of connecting members for rotatable installation of umbrella ribs. The umbrella tray base includes a sleeve for fitting into the umbrella shaft. A pre-positioning connecting mechanism is provided between the sleeve and the connecting members. A locking mechanism is provided between the sleeve and the connecting members. The connecting members are pre-positioned on the sleeve by the pre-positioning connecting mechanism, and the installation position of the connecting members on the sleeve is locked by the locking mechanism. Two opposing functional extension areas are formed between the connecting members and the sleeve along the axial direction of the sleeve.
[0005] The locking mechanism includes a locking wall disposed on the connecting member for resting on the upper end face of the sleeve after pre-positioning installation, and the locking wall is fixedly connected to the sleeve by a detachable connector.
[0006] Multiple locking walls on multiple connecting members form a locking area. Multiple vertically penetrating first connecting holes are spaced apart on the locking area. A second connecting hole is coaxially provided on the sleeve corresponding to each of the first connecting holes. The connecting member is a connecting screw. The threaded shank of the connecting screw passes through the first connecting hole from top to bottom and is screwed into the second connecting hole.
[0007] The functional expansion area corresponding to the locking wall is detachably provided with a functional expansion component. The functional expansion component has a pressing locking part protruding in the direction of the locking wall at the position corresponding to the locking wall. The locking wall rests on the sleeve and is pressed in place by the pressing locking part. The functional expansion component, the connecting component and the sleeve are fixedly connected by the connecting member.
[0008] Multiple locking walls on multiple connecting members form locking areas. Multiple vertically penetrating first connecting holes are spaced apart on the locking areas. A second connecting hole is coaxially arranged on the sleeve corresponding to the position of each of the first connecting holes. A third connecting hole is arranged on the pressing locking part corresponding to the position of the first connecting hole. One first connecting hole coaxially corresponds to one third connecting hole. The connecting member is a connecting screw. The threaded shank of the connecting screw passes through the third connecting hole and the first connecting hole from top to bottom and is screwed into the second connecting hole.
[0009] The locking wall has two opposing side walls with vertically extending arc-shaped recesses, and the two arc-shaped recesses on two adjacent locking walls are joined together to form the first connecting hole.
[0010] The pre-positioning connection mechanism includes a plurality of pre-positioning locking grooves spaced at intervals on the outer wall of the sleeve around the central axis of the sleeve. The number of pre-positioning locking grooves corresponds to the number of connecting members. Each connecting member has a pre-positioning locking block protruding rearward on its rear connecting wall, which mates with the pre-positioning locking groove. The pre-positioning installation between the connecting member and the sleeve is achieved by inserting the pre-positioning locking block into the pre-positioning locking groove at the corresponding position.
[0011] Compared with the prior art, the advantages of the present invention are: simple structure, the main body of the umbrella tray consists only of a sleeve and connecting components, the upper and lower umbrella trays can share the same sleeve mold, and for different functions and usage positions of the umbrella tray, only the appropriate functional expansion parts need to be additionally assembled in the functional expansion area, reducing the number of molds and effectively reducing the production and manufacturing costs. Attached Figure Description
[0012] Figure 1 This is a cross-sectional view of Embodiment 1 of the present invention with the connecting parts removed; Figures 2(a), (b), and (c) are cross-sectional structural diagrams of different functional expansion components installed in Embodiment 2 of the present invention; Figure 3 This is a partial exploded view of Figure 2(a); Figure 4 This is a three-dimensional structural diagram of the connecting component in this invention. Detailed Implementation
[0013] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0014] Example 1: As shown in the figure, an umbrella tray includes an umbrella tray base and multiple connecting members 1 for rotating installation of the umbrella ribs. The umbrella tray base includes a sleeve 2 for sleeved installation with the umbrella rod. A pre-positioning connection mechanism is provided between the sleeve 2 and the connecting members 1. A locking mechanism is provided between the sleeve 2 and the connecting members 1. The connecting members 1 are pre-positioned on the sleeve 2 through the pre-positioning connection mechanism, and the installation position of the connecting members 1 on the sleeve 2 is locked by the locking mechanism. Two opposing functional extension areas 20 are formed between the connecting members 1 and the sleeve 2 in the axial direction of the sleeve 2.
[0015] In this specific embodiment, the locking mechanism includes a locking wall 12 disposed on the connecting member 1 for pre-positioning and resting on the upper end face of the sleeve 2. The locking wall 12 and the sleeve 2 are fixedly connected by a detachable connector 4. The structure is simple, and the locking wall 12 achieves position locking of the connecting member 1 on the sleeve 2.
[0016] In this specific embodiment, multiple locking walls on multiple connecting members 1 form locking areas. Multiple vertically penetrating first connecting holes 13 are spaced apart on the locking areas. A second connecting hole 22 is coaxially arranged on the sleeve 2 corresponding to each first connecting hole 13. The connecting member 4 is a connecting screw, with the threaded shank of the screw passing through the first connecting hole 13 from top to bottom and screwed into the second connecting hole 22. The structure is simple, low-cost, and easy to install and disassemble.
[0017] In this specific embodiment, two vertically penetrating arc-shaped recesses 131 are respectively provided on the two opposite sidewalls of the locking wall 12. The two arc-shaped recesses 131 on two adjacent locking walls 12 are joined together to form a second connecting hole 13. By utilizing the arc-shaped recesses 131 of adjacent locking walls 12 to naturally join together to form a connecting hole, material is saved and weight is reduced, while maintaining hole position accuracy and avoiding additional processing steps; the arc-shaped recesses 131 design reduces redundant material while ensuring strength and is easy to process.
[0018] In this specific embodiment, the pre-positioning connection mechanism includes a plurality of pre-positioning locking slots 21 spaced at intervals on the outer wall of the sleeve 2 around the central axis of the sleeve 2. The number of pre-positioning locking slots 21 corresponds to the number of connecting members 1. Each connecting member 1 has a pre-positioning locking block 11 protruding rearward on its rear connecting wall, which mates with the pre-positioning locking slot 21. The pre-positioning of the connecting member 1 and the sleeve 2 is achieved by inserting the pre-positioning locking block 11 into the pre-positioning locking slot 21 at the corresponding position. The connecting member 1 is precisely pre-positioned with the pre-positioning locking slot 21 on the outer wall of the sleeve 2 through the pre-positioning locking block 11, avoiding manual angle adjustment and improving assembly efficiency.
[0019] Example 2: The rest of the parts are the same as in Example 1. The difference is that the functional expansion area 20 corresponding to the locking wall 12 is detachably provided with a functional expansion member 3. The functional expansion member 3 is provided with a pressing locking part 31 protruding in the direction of the locking wall 12 at the position corresponding to the locking wall 12. The locking wall 12 is placed on the sleeve 2 and pressed in place by the pressing locking part 31. The fixed connection between the functional expansion member 3, the connecting member 1 and the sleeve 2 is realized by the connecting member 4.
[0020] In this specific embodiment, multiple locking walls 12 on multiple connecting members 1 form a locking area. Multiple first connecting holes 13 are provided at intervals on the locking area. A second connecting hole 22 is coaxially provided on the sleeve 2 at the position corresponding to each first connecting hole 13. A third connecting hole 32 is provided on the pressing locking part 31 at the position corresponding to the first connecting hole 13. One first connecting hole 13 coaxially corresponds to one third connecting hole 32. The connecting member 4 is a connecting screw. The threaded shank of the connecting screw passes through the third connecting hole 32 and the first connecting hole 13 from top to bottom and is screwed into the second connecting hole 22.
[0021] According to the specific design, functional expansion parts 3 with different functional expansions can be installed in this functional expansion area 20. The three are fixedly connected by connectors 4, which reduces the use of parts and makes assembly simpler.
Claims
1. An umbrella tray, comprising an umbrella tray base and a plurality of connecting members for rotatable installation of umbrella ribs, wherein the umbrella tray base includes a sleeve for sleeved installation with an umbrella shaft, and a pre-positioning connecting mechanism is provided between the sleeve and the connecting members, characterized in that... A locking mechanism is provided between the sleeve and the connecting member. The connecting member is pre-positioned on the sleeve by the pre-positioning connecting mechanism, and the installation position of the connecting member on the sleeve is locked by the locking mechanism. Two opposing functional expansion areas are formed between the connecting member and the sleeve in the axial direction of the sleeve.
2. The umbrella disc as described in claim 1, characterized in that... The locking mechanism includes a locking wall disposed on the connecting member for resting on the upper end face of the sleeve after pre-positioning installation, and the locking wall is fixedly connected to the sleeve by a detachable connector.
3. The umbrella disc as described in claim 2, characterized in that... Multiple locking walls on multiple connecting members form a locking area. Multiple vertically penetrating first connecting holes are spaced apart on the locking area. A second connecting hole is coaxially provided on the sleeve corresponding to each of the first connecting holes. The connecting member is a connecting screw. The threaded shank of the connecting screw passes through the first connecting hole from top to bottom and is screwed into the second connecting hole.
4. The umbrella disc as described in claim 2, characterized in that... The functional expansion area corresponding to the locking wall is detachably provided with a functional expansion component. The functional expansion component has a pressing locking part protruding in the direction of the locking wall at the position corresponding to the locking wall. The locking wall rests on the sleeve and is pressed in place by the pressing locking part. The functional expansion component, the connecting component and the sleeve are fixedly connected by the connecting member.
5. The umbrella disc as described in claim 4, characterized in that... Multiple locking walls on multiple connecting members form locking areas. Multiple vertically penetrating first connecting holes are spaced apart on the locking areas. A second connecting hole is coaxially arranged on the sleeve corresponding to the position of each of the first connecting holes. A third connecting hole is arranged on the pressing locking part corresponding to the position of the first connecting hole. One first connecting hole coaxially corresponds to one third connecting hole. The connecting member is a connecting screw. The threaded shank of the connecting screw passes through the third connecting hole and the first connecting hole from top to bottom and is screwed into the second connecting hole.
6. An umbrella disc as described in claim 3 or 5, characterized in that... The locking wall has two opposing side walls with vertically extending arc-shaped recesses, and the two arc-shaped recesses on two adjacent locking walls are joined together to form the first connecting hole.
7. The umbrella disc as described in claim 1, characterized in that... The pre-positioning connection mechanism includes a plurality of pre-positioning locking grooves spaced at intervals on the outer wall of the sleeve around the central axis of the sleeve. The number of pre-positioning locking grooves corresponds to the number of connecting members. Each connecting member has a pre-positioning locking block protruding rearward on its rear connecting wall, which mates with the pre-positioning locking groove. The pre-positioning installation between the connecting member and the sleeve is achieved by inserting the pre-positioning locking block into the pre-positioning locking groove at the corresponding position.