Rotary connection structure
By introducing a dual design of a damping part and a damping mating part with a locking mechanism in the rotating connection structure, the loosening problem of the rotating connection structure during folding and closing is solved, achieving stable locking and damping control, and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-03-10
AI Technical Summary
The existing rotating connection structure lacks an effective positioning mechanism in the folded state, which makes it easy for the first rotating component and the second rotating component to undergo relative displacement or loosening.
The design employs a tight fit between the damping part and the damping mating part, as well as a dual-fit locking mechanism. The damping part consists of an interference fit between a raised damping block and a damping groove, while the locking component consists of a snap-fit between an elastic locking tongue and a locking mating part. This achieves locking in the unfolded state and damping control during the folding process.
It achieves a secure lock in the unfolded state, damping control during the folding process, and automatic positioning when folded into place, improving stability and handling, and preventing accidental loosening.
Smart Images
Figure CN223984683U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of mechanical connection structures, specifically a rotating connection structure. Background Technology
[0002] Folding structures are widely used in various everyday items, such as children's bedding, stroller frames, portable tools, and furniture. These structures typically achieve unfolding and folding functions through a rotating connection between a first and a second rotating component. However, in the folded / folded state, existing rotating connection structures often lack an effective positioning mechanism, leading to relative displacement or loosening between the first and second rotating components. Summary of the Invention
[0003] The purpose of this application is to provide a rotating connection structure to solve the problem of easy loosening when folding and collapsing in the prior art.
[0004] The technical solution of this application is: a rotating connection structure, including a first rotating member and a second rotating member rotatably connected, and a locking mechanism for locking the two in an unfolded state. The first rotating member is provided with a damping part, and the second rotating member is provided with a damping mating part. During the rotation and folding process of the first rotating member and the second rotating member, the damping part and the damping mating part achieve a damping effect during the folding process through a tight fit (interference fit), and achieve damping positioning after folding into place.
[0005] As a preferred technical solution, the damping part is a raised damping block, and the damping mating part includes a damping surface that is tightly fitted (interference fit) with the damping part and a damping groove that matches the damping part. After being folded into place, the damping part and the damping groove cooperate to achieve damping positioning.
[0006] As a preferred technical solution, the first rotating member is rotatably connected to the second rotating member's second connecting seat via a first connecting seat; the damping part is formed on the outer peripheral surface of the first connecting seat; and the damping mating part is formed on the stepped surface between the second connecting seat and the second rotating member.
[0007] As a preferred technical solution, the locking mechanism includes a locking component disposed on the first rotating member and a locking engagement part disposed on the second rotating member. When unfolded, the locking component and the locking engagement part cooperate with each other to restrict the relative rotation of the first rotating member and the second rotating member.
[0008] As a preferred technical solution, the locking component is an elastic locking tongue, and the locking mating part is a slot. When unfolded, the elastic locking tongue is embedded in the slot to achieve locking.
[0009] As a preferred technical solution, the locking component controls the separation of its locking engagement part by rotating or sliding the unlocking part on the first rotating part, thereby achieving unlocking.
[0010] Compared with the prior art, this application has the following advantages: Through the dual cooperation of locking mechanism and damping design, this application achieves secure locking in the unfolded state, damping control during the folding process, and automatic positioning when folded into place, thereby improving the stability of use and the feel of operation, and preventing accidental loosening. Attached Figure Description
[0011] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. The drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] The structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this application. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0013] Figure 1 This is a three-dimensional structural diagram of the present application in its unfolded state;
[0014] Figure 2 This is a schematic diagram of the assembly structure of this application in its unfolded state;
[0015] Figure 3 for Figure 2 A magnified view of a section of the mid-fold joint;
[0016] Figure 4 This is a side view of the structure of this application in its unfolded state;
[0017] Figure 5 This is a schematic diagram of the side structure of this application during the folding process;
[0018] Figure 6 This is a schematic diagram of the side structure of this application when it is in a folded state;
[0019] Figure 7 This is a perspective structural diagram of the present application when it is in a folded state.
[0020] Wherein: 1 is the first rotating component; 101 is the first connecting seat;
[0021] 2. Second rotating component; 201. Second connecting seat;
[0022] 3. Locking mechanism; 301. Locking assembly; 3011. Locking tongue; 3012. Reset component; 302. Locking mating part; 303. Unlocking component;
[0023] 4. Damping section;
[0024] 5 Damping mating part; 501 Damping surface; 502 Damping groove. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the described embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. It is understood that, without conflict, some technical means of the various embodiments described herein can be substituted for or combined with each other.
[0026] In the description of this application and the claims, the terms "first," "second," etc., are used only to distinguish the described objects and have no sequential or technical meaning. Therefore, objects specified with "first," "second," etc., may explicitly or implicitly include one or more of those objects. Furthermore, the words "one" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one, while "multiple" indicates not less than two.
[0027] In the description of this application and the claims, the terms "connection," "installation," "fixation," and "reception," unless otherwise specified, should be interpreted broadly. For example, "connection" can mean a separate connection or an integral connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean a non-detachable connection or a detachable connection. As another example, "reception" does not necessarily mean complete containment; this concept also includes the containment of a portion that protrudes externally. Those skilled in the art can understand the specific meaning of the aforementioned terms in this application based on the specific circumstances.
[0028] In the description of this application and the claims, if terms such as "above," "below," or "horizontal" indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, they are only for the purpose of clearly and simply describing this application, and do not indicate or imply that the elements referred to must have a specific orientation or be constructed and operated in a specific orientation. These directional terms are relative concepts used for relative description and clarification, and may change accordingly depending on the orientation of the components in the drawings. For example, if the device in the drawings is flipped, an element described as "below" other elements will be positioned "above" other elements.
[0029] In the description of this application specification and claims, the term "if" is generally interchangeable with "when," "at," "in response to determination," or "in response to detection," depending on the context.
[0030] In the description of this application and the claims, if there is a "direction" of motion, including motion with a directional component, the term "in direction" is not necessarily understood as motion only in that one direction. Those skilled in the art can understand the specific meaning of the aforementioned terms in this application according to the specific circumstances.
[0031] like Figures 1 to 7 As shown, a rotating connection structure includes a first rotating member 1 and a second rotating member 2 that are rotatably connected, and a locking mechanism 3 for locking both in an unfolded state. The first rotating member 1 is provided with a damping part 4, and the second rotating member 2 is provided with a damping engagement part 5. During the rotation and folding process of the first rotating member 1 and the second rotating member 2, the damping part 4 and the damping engagement part 5 achieve a damping effect during the folding process through a tight fit (interference fit), and achieve damping positioning after folding into place.
[0032] In this embodiment, the damping part 4 is a protruding damping block, and the damping mating part 5 includes a damping surface 501 that is tightly fitted (interference fit) with the damping part 4 and a damping groove 502 that matches the damping part 4. After being folded into place, the damping part 4 and the damping groove 502 engage to achieve damping positioning. Preferably, the damping part 4 and the damping mating part 5 can be made of a material with damping properties.
[0033] In this embodiment, the first rotating member 1 is rotatably connected to the second rotating member 2 via the first connecting seat 101 and the second connecting seat 201 of the second rotating member 2; the damping part 4 is formed on the outer peripheral surface of the first connecting seat 101; and the damping mating part 5 is formed on the stepped surface between the second connecting seat 201 and the second rotating member 2. This design eliminates the need for additional independent damping components, resulting in a compact overall structure, which is particularly suitable for confined spaces (such as folding joints).
[0034] In this embodiment, the locking mechanism 3 includes a locking component 301 disposed on the first rotating member 1 and a locking engagement part 302 disposed on the second rotating member. When unfolded, the locking component 301 and the locking engagement part 302 cooperate to restrict the relative rotation of the first rotating member 1 and the second rotating member 2. The locking component 301 controls its separation from the locking engagement part 302 by rotating or sliding the unlocking part 303 on the first rotating member 1, thereby achieving unlocking. Since there are various types of locking mechanisms 3 and they are all common structures in this technical field, no specific limitation is made here.
[0035] In this embodiment, the locking component 301 is an elastic locking tongue, and the locking engagement part 302 is a slot. When unfolded, the elastic locking tongue is inserted into the slot to achieve locking. The elastic locking tongue includes a locking tongue 3011 that can slide relative to the first rotating member 1 and a reset member 3012 (such as a reset spring) disposed between the locking tongue and the first rotating member 1.
[0036] In this embodiment, the first rotating component 1 is the front frame, and the second rotating component 2 is the rear frame; the locking mechanism 3 and the damping design are both located at the folding joint of the frame. The unlocking component 303 is preferably an unlocking handle mounted on the first rotating component 1. This unlocking handle is connected to the locking tongue 3011 via a traction cable. During unlocking, rotating the unlocking handle causes the traction cable to pull the locking tongue 3011 out of the slot, thus unlocking the device.
[0037] The working principle of this application is as follows:
[0038] When unfolded, the first rotating member 1 and the second rotating member 2 are locked by the locking mechanism 3.
[0039] When a folding device is needed, the locking mechanism 3 is released, allowing the first rotating member 1 and the second rotating member 2 to be folded together relative to each other.
[0040] During the rotation and folding process, the damping part 4 and the damping mating part 5 achieve a damping effect during the folding process through a tight fit of their damping surfaces 501. After folding to the correct position, the damping part 4 and the damping groove 502 cooperate to achieve damping positioning.
[0041] This application achieves secure locking in the unfolded state, damping control during the folding process, and automatic positioning when folded into place through the dual cooperation of locking mechanism 3 and damping design, thereby improving the stability of use and the feel of operation and preventing accidental loosening.
[0042] As a preferred embodiment of this application, in the description of this specification, the reference to terms such as "preferred," "optional," etc., means that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0043] The above embodiments are only used to illustrate the detailed solutions of this application. This application is not limited to the above detailed solutions, that is, it does not mean that this application must rely on the above detailed solutions to be implemented. Those skilled in the art should understand that any improvements to this application, equivalent substitutions of the raw materials of the product of this application, addition of auxiliary components, selection of specific methods, etc., all fall within the protection scope and disclosure scope of this application.
Claims
1. A rotational connection structure comprising a first rotational member and a second rotational member which are rotationally connected, and a locking mechanism for locking both in an expanded state, characterized by: The first rotating member is provided with a damping part, and the second rotating member is provided with a damping matching part; during the folding process of the first rotating member and the second rotating member, the damping part and the damping matching part are tightly matched to realize the damping effect during folding, and realize damping positioning after folding.
2. A rotary connection according to claim 1, characterized in that: The damping part is a convex damping block, the damping matching part includes a damping surface tightly matched with the damping part and a damping groove matched with the damping part, and the damping part is matched with the damping groove to realize damping positioning after folding.
3. A rotary coupling structure according to claim 2, wherein: The first rotating member is connected with the second connecting seat of the second rotating member through a first connecting seat; the damping part is formed on the outer circumferential surface of the first connecting seat; and the damping matching part is formed on the stepped surface between the second connecting seat and the second rotating member.
4. The rotary connection of claim 1, wherein: The locking mechanism includes a locking assembly arranged on the first rotating member and a locking matching part arranged on the second rotating member, and the locking assembly and the locking matching part are matched with each other to limit the relative rotation of the first rotating member and the second rotating member during unfolding.
5. A rotary coupling structure according to claim 4, wherein: The locking assembly is an elastic lock tongue, and the locking matching part is a clamping groove, and the elastic lock tongue is embedded in the clamping groove to realize locking during unfolding.
6. A rotary coupling structure according to claim 4, wherein: The locking assembly is controlled to be separated from the locking matching part by rotating or sliding an unlocking part on the first rotating member, so as to realize unlocking.