Floatable connecting piece and connecting structure

Abstract

The invention provides a floatable connecting piece which comprises a first connecting body and a second connecting body. The end, away from the first connecting body, of the second connecting body penetrates out of the connecting cavity. A first flange part is fixedly connected near the end side, penetrating into the connecting cavity, of the second connecting body; the inner side wall, close to the second connector, of an inner cavity of the first connector extends towards the middle axis to form a step part, and the end side, close to the second connector, of the first connector bends towards the middle axis to form a blocking part. The first flange part is arranged between the step part and the blocking part in a clearance fit mode, the first flange part is arranged between the step part and the blocking part in a clearance fit mode, and the outer diameter of the first flange part is larger than the inner diameter of the step part and the inner diameter of the blocking part. The first connecting body and the second connecting body cannot fall off while keeping relatively floating, and the mounting holes can be always kept aligned during mounting.

Description

Technical Field

[0001] This application belongs to the technical field of connectors, and particularly relates to a floating connector and a connection structure. Background Art

[0002] In the prior art, due to the limitation of raw materials, traditional rivet nuts can only provide low-strength threaded connections. Moreover, in existing nuts, the connection part is integrated, resulting in not only low strength of threaded connections but also low strength of riveted connections. Additionally, in the presence of manufacturing and assembly tolerances, if multiple nuts are installed on a workpiece, when assembling bolts, due to cumulative tolerances, there may be a problem that some threaded holes cannot be aligned.

[0003] In view of the above problems, no effective solution has been proposed yet.

[0004] It should be noted that the above introduction of the technical background is only for the convenience of clearly and completely explaining the technical solutions of the present invention and facilitating the understanding of those skilled in the art. It cannot be considered that the above technical solutions are well-known to those skilled in the art just because these solutions are described in the background art part of the present invention. Summary of the Invention

[0005] The purpose of this application is to provide a floating connector and a connection structure to solve the above problems.

[0006] A floating connector provided by this application includes:

[0007] A first connection body having a central axis, the first connection body having a connection cavity;

[0008] A second connection body inserted into the connection cavity, and an end of the second connection body away from the first connection body penetrates out of the connection cavity;

[0009] Wherein, a first flange portion is fixedly connected near the end side of the second connection body inserted into the connection cavity; a step portion extends in the direction towards the central axis on the inner side wall of the inner cavity of the first connection body near the second connection body, and the end side of the first connection body near the second connection body is bent in the direction towards the central axis to form a blocking portion; the first flange portion is in clearance fit between the step portion and the blocking portion, and the outer diameter of the first flange portion is greater than the inner diameters of the step portion and the blocking portion.

[0010] Preferably, a positioning block is fixedly connected to one side of the first flange portion facing the first connection body, and the positioning block is inserted into the step portion.

[0011] Preferably, the cross-sectional shape of the positioning block perpendicular to the intermediate axis is a polygon or an irregular shape, and the cross-sectional shape of the step portion perpendicular to the intermediate axis is shaped to conform to the cross-sectional shape of the positioning block perpendicular to the intermediate axis.

[0012] Preferably, the cross-sectional shape of the inner cavity of the first connecting body away from the second connecting body perpendicular to the intermediate axis is a polygon.

[0013] Preferably, the cross-sectional shape of the blocking portion perpendicular to the intermediate axis is a circle.

[0014] Preferably, the outer wall of the second connecting body is provided with an anti-loosening feature.

[0015] Preferably, the inner wall of the second connecting body is provided with an internal thread.

[0016] Preferably, a second flange portion is fixedly connected to the end side of the first connecting body away from the second connecting body.

[0017] A connection structure, characterized in that the above-mentioned floating connector is used to connect with the connected component, the connected component has a connection surface, and the inner wall of the connection surface abuts against the outer wall of the first connecting body

[0018] Preferably, a second flange portion is fixedly connected to the end side of the first connecting body away from the second connecting body, and the second flange portion abuts against the connection surface.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. In the present invention, by setting the first flange portion to be installed between the step portion and the blocking portion with a clearance fit, and the outer diameter of the first flange portion is greater than the inner diameters of the step portion and the blocking portion, the first connecting body and the second connecting body can be kept from disengaging while maintaining relative floating, and the alignment of the installation holes can be always maintained during installation.

[0021] 2. In the present invention, by setting the positioning block to be inserted into the step portion, and the cross-sectional shapes of the positioning block and the step portion are both polygons or irregular figures, when the first connecting body and the second connecting body have a tendency to rotate, the outer wall of the positioning block abuts against the inner wall of the step portion, thereby realizing the relative stability of the first connecting body and the second connecting body.

[0022] 3. In the present invention, the first connecting body and the second connecting body are processed separately and then combined to form a connector. The inner wall of the second connecting body is provided with an internal thread, and a second flange portion is fixedly connected to the end side of the first connecting body away from the second connecting body, thereby improving the riveting strength of the first connecting body and the thread strength of the second connecting body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is an overall structure diagram of the connecting piece of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0025] Figure 2 It is a sectional structure diagram of the connecting piece of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0026] Figure 3 It is a structure diagram of the first connecting body of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0027] Figure 4 It is an internal structure diagram of the first connecting body of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0028] Figure 5 It is a structure diagram of the second connecting body of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0029] Figure 6 It is a sectional structure diagram of the second connecting body of a floating connecting piece and a connecting structure provided by an embodiment of the present application;

[0030] Figure 7 It is a structure diagram of the connecting structure of a floating connecting piece and a connecting structure provided by an embodiment of the present application.

[0031] In the figure: 1. First connecting body; 11. Connecting cavity; 12. Step portion; 13. Blocking portion; 14. Second flange portion; 2. Second connecting body; 21. First flange portion; 22. Positioning block; 23. Anti-loosening feature; 3. Connecting surface. Detailed implementation manners

[0032] In order to enable those skilled in the art to better understand the technical solutions in the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "middle", "lower", "inner", "outer", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. The terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following will describe the implementation manners according to the overall structure of the present invention.

[0034] Referring Figure 1 as shown, an embodiment of the present application provides a floating connector, including:

[0035] a first connecting body 1 having a middle axis, and the first connecting body 1 has a connecting cavity 11;

[0036] a second connecting body 2 inserted into the connecting cavity 11, and the end of the second connecting body 2 away from the first connecting body 1 penetrates out of the connecting cavity 11;

[0037] wherein, a first flange portion 21 is fixedly connected near the end side of the second connecting body 2 inserted into the connecting cavity 11; a stepped portion 12 is formed on the inner side wall of the inner cavity of the first connecting body 1 close to the second connecting body 2 and extends towards the middle axis, and the end side of the first connecting body 1 close to the second connecting body 2 is bent towards the middle axis to form a blocking portion 13; the first flange portion 21 is in clearance fit between the stepped portion 12 and the blocking portion 13, and the outer diameter of the first flange portion 21 is greater than the inner diameters of the stepped portion 12 and the blocking portion 13.

[0038] According Figure 1 , those skilled in the art can set the first connecting body 1 and the second connecting body 2 to be connected to each other, so as to form a connector in combination. Specifically, the first connecting body 1 has a middle axis, and a connecting cavity 11 is provided in the first connecting body 1. One end of the second connecting body 2 is inserted into the connecting cavity 11 of the first connecting body 1, and the end of the second connecting body 2 away from the first connecting body 1 penetrates out of the connecting cavity 11.

[0039] According to the above structure, those skilled in the art can process the first connecting body 1 and the second connecting body 2 separately and then combine them to form a connector. After the first connecting body 1 and the second connecting body 2 are connected, the middle axis of the second connecting body 2 coincides with the middle axis of the first connecting body 1.

[0040] Furthermore, those skilled in the art can set that a first flange portion 21 is fixedly connected near the end side of the second connecting body 2 passing through the connecting cavity 11. That is, the first flange portion 21 is arranged on the second connecting body 2 and passes through the connecting cavity 11.

[0041] Furthermore still, those skilled in the art can set that a step portion 12 extends in the direction towards the central axis on the inner side wall of the inner cavity of the first connecting body 1 close to the second connecting body 2, and the end side of the first connecting body 1 close to the second connecting body 2 is bent in the direction towards the central axis to form a blocking portion 13.

[0042] According to Figure 1 , the step portion 12 and the blocking portion 13 are sequentially arranged along the central axis in the direction from the first connecting body 1 to the second connecting body 2. Specifically, after the first flange portion 21 is passed through and connected, it is located between the step portion 12 and the blocking portion 13, and the first flange portion 21 is installed between the step portion 12 and the blocking portion 13 with a clearance fit.

[0043] According to the above-mentioned embodiment, those skilled in the art set that the first flange portion 21 is installed between the step portion 12 and the blocking portion 13 with a clearance fit, and the outer diameter of the first flange portion 21 is greater than the inner diameters of the step portion 12 and the blocking portion 13.

[0044] With the above structure, those skilled in the art can set that the first flange portion 21 passes through between the step portion 12 and the blocking portion 13, so as to complete the installation between the first connecting body 1 and the second connecting body 2. It can be understood that the first flange portion 21 is installed between the step portion 12 and the blocking portion 13 with a clearance fit, so that the first connecting body 1 and the second connecting body 2 can maintain relative floating after connection. It should be noted that the relative floating between the first connecting body 1 and the second connecting body 2 here can be floating in any direction. And the outer diameter of the first flange portion 21 is greater than the inner diameters of the step portion 12 and the blocking portion 13, so that the first connecting body 1 and the second connecting body 2 can maintain relative floating without coming off.

[0045] In the existing technology, due to the existence of manufacturing and assembly tolerances, if multiple nuts are installed on a workpiece, during the process of assembling the bolts, due to the accumulation of tolerances, the thread holes will not be aligned. In this embodiment, since there is relative floating between the first connecting body 1 and the second connecting body 2, it can be ensured that they are always aligned during installation.

[0046] In summary, those skilled in the art set the first flange portion 21 to be installed between the stepped portion 12 and the blocking portion 13 with a clearance fit, and the outer diameter of the first flange portion 21 is greater than the inner diameters of the stepped portion 12 and the blocking portion 13. While the first connector 1 and the second connector 2 can maintain relative floating, they will not come off, and the alignment of the mounting holes can be always maintained during installation.

[0047] In an alternative embodiment, preferably, a positioning block 22 is fixedly connected to the side of the first flange portion 21 facing the first connector 1, and the positioning block 22 is inserted into the stepped portion 12. That is, in this embodiment, those skilled in the art can set the second connector 2 to have a positioning block 22. The positioning block 22 is inserted into the stepped portion 12, so as to complete the positioning of the connection between the first connector 1 and the second connector 2.

[0048] It can be understood that those skilled in the art can set the positioning block 22 to be in contact with the inner wall of the stepped portion 12, so as to prevent the first connector 1 and the second connector 2 from rotating relative to each other after being inserted and installed.

[0049] More preferably, the shape of the cross-section of the positioning block 22 perpendicular to the central axis is polygonal or irregular, and the shape of the cross-section of the stepped portion 12 perpendicular to the central axis is imitated to the shape of the cross-section of the positioning block 22 perpendicular to the central axis.

[0050] With the above structure, those skilled in the art set the positioning block 22 to be inserted into the stepped portion 12, and the cross-sectional shapes of both the positioning block 22 and the stepped portion 12 are polygonal or irregular. Thus, when the first connector 1 and the second connector 2 tend to rotate, the outer wall of the positioning block 22 contacts the inner wall of the stepped portion 12, thereby realizing the relative stability of the first connector 1 and the second connector 2.

[0051] In this embodiment, those skilled in the art can set the shape of the cross-section of the positioning hole 22 perpendicular to the central axis to be quadrilateral, and the shape of the cross-section of the stepped portion 12 perpendicular to the central axis is also quadrilateral, so as to prevent the first connector 1 and the second connector 2 from rotating relative to each other.

[0052] According to the above embodiment, the first connector 1 has a connection cavity 11, and the connection cavity 11 includes an inner cavity far from the second connector 2. Preferably, the shape of the cross-section of the inner cavity of the first connector 1 far from the second connector 2 perpendicular to the central axis is polygonal.

[0053] With the above structure, according to the requirements of the riveting situation, the shape of the cross-section of the inner cavity of the first connector 1 far from the second connector 2 perpendicular to the central axis can be set to be polygonal, so as to improve the applicability of this connector.

[0054] In the above-described embodiment, the end of the first connector 1 near the second connector 2 is bent and deformed toward the direction of the central axis to form a blocking portion 13. Preferably, the shape of the cross-section of the blocking portion 13 perpendicular to the central axis is circular.

[0055] With the above structure, the blocking portion 13 is circular before deformation and will also be circular after deformation. Specifically, the blocking portion 13 can be deformed by press riveting. In this embodiment, the blocking portion 13 is circular before deformation and will also be circular after deformation, which can not only reduce the difficulty of the press riveting process, but also make the press riveted blocking portion 13 contact evenly with the side of the first flange portion 21 facing the blocking portion 13.

[0056] In this embodiment, preferably, the outer wall of the second connector 2 is provided with an anti-loosening feature. By setting the anti-loosening feature, the connection after the second connector 2 is assembled with the external parts can be made more stable.

[0057] Furthermore, preferably, the inner wall of the second connector 2 is provided with an internal thread. By providing the internal thread in the second connector 2, the second connector 2 can be connected to the external parts.

[0058] In an alternative embodiment, preferably, a second flange portion 14 is fixedly connected to the end side of the first connector 1 away from the second connector 2. Through the second flange portion 14 and the outer wall of the first connector 1, the first connector 1 can be riveted to other parts.

[0059] In summary, those skilled in the art process the first connector 1 and the second connector 2 separately and then combine them to form a connector. The inner wall of the second connector 2 is provided with an internal thread, and a second flange portion 14 is fixedly connected to the end side of the first connector 1 away from the second connector 2, thereby improving the riveting strength of the first connector 1 and the thread strength of the second connector 2.

[0060] This specification also provides a connection structure, characterized in that the above-described floating connector is used to connect with the connected part, and the connected part has a connection surface 3, and the inner wall of the connection surface 3 abuts against the outer wall of the first connector 1.

[0061] With the above structure, those skilled in the art can fixedly install the connector and the connected part, thereby realizing the structure of riveting on the first connector 1.

[0062] Preferably, a second flange portion 14 is fixedly connected to the end side of the first connector 1 away from the second connector 2, and the second flange portion 14 abuts against the connection surface 3. That is, the second flange portion 14 abuts against the connection surface 3, thereby further improving the connection strength of the connected part.

[0063] Although different specific embodiments are mentioned in the content of this application, this application is not limited to the situations described by industry standards or embodiments. For example, certain industry standards or implementation schemes slightly modified on the basis of the implementation described by custom methods or embodiments can also achieve the same, equivalent or similar implementation effects as the above embodiments, or the implementation effects that can be expected after deformation. Embodiments using these modified or deformed data acquisition, processing, output, judgment methods, etc. still fall within the scope of the optional implementation schemes of this application.

[0064] Although this application is depicted through embodiments, those of ordinary skill in the art know that this application has many variations and changes without departing from the spirit of this application. It is hoped that the appended embodiments include these variations and changes without departing from this application.

Claims

1. A floating connector, characterized in that, Comprising: A first connector having a central axis, the first connector having a connection cavity; A second connector inserted through the connection cavity, an end of the second connector away from the first connector extending out of the connection cavity; Wherein, a first flange portion is fixedly connected near the end side of the second connector inserted through the connection cavity; a stepped portion is formed on the inner side wall of the first connector cavity near the second connector extending in the direction towards the central axis, and the end side of the first connector near the second connector is bent in the direction towards the central axis to form a blocking portion; the first flange portion is in clearance fit between the stepped portion and the blocking portion, and the outer diameter of the first flange portion is greater than the inner diameters of the stepped portion and the blocking portion.

2. The floating connector according to claim 1, wherein, A positioning block is fixedly connected to the side of the first flange portion facing the first connector, and the positioning block is inserted through the stepped portion.

3. The floating connector according to claim 2, wherein The shape of the cross-section of the positioning block perpendicular to the central axis is polygonal or irregular, and the shape of the cross-section of the stepped portion perpendicular to the central axis is contoured to the shape of the cross-section of the positioning block perpendicular to the central axis.

4. The floating connecting member according to claim 1, wherein The shape of the cross-section of the inner cavity of the first connector away from the second connector perpendicular to the central axis is polygonal.

5. The floating connecting member according to claim 1, wherein, The shape of the cross-section of the blocking portion perpendicular to the central axis is circular.

6. The floating connecting member according to claim 1, wherein The outer wall of the second connector is provided with an anti-loosening feature.

7. The floating connector according to claim 1, wherein, The inner wall of the second connector is provided with an internal thread.

8. The floating connecting member according to claim 1, wherein A second flange portion is fixedly connected to the end side of the first connector away from the second connector.

9. A connection structure, characterized in that, Using the floating connector according to any one of the above claims 1-8 to connect with a connected component, the connected component has a connection surface, and the inner wall of the connection surface abuts against the outer wall of the first connector.

10. The connection structure according to claim 1, characterized in that, A second flange portion is fixedly connected to the end side of the first connector away from the second connector, and the second flange portion abuts against the connection surface.

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