CN218760835U

CN218760835U - Fastener suitable for connecting curved surface member

Info

Publication number: CN218760835U
Application number: CN202222698529.8U
Authority: CN
Inventors: 邓涛; 郑路; 郑锋锺; 许杰; 郑嘉勇; 赖鹏安
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-28
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a fastener suitable for connect curved surface component, including two at least curved surface components, fixed through fastener structure between two curved surface components, fastener structure is including setting up the special-shaped nut in the concave surface of curved surface component, and one side that special-shaped nut is close to curved surface component concave surface is equipped with the arcwall face rather than the looks adaptation, and the setting element passes curved surface component, the concave surface that special-shaped nut extends to curved surface component in proper order by curved surface component's convex surface. The utility model discloses simple structure, reasonable in design is favorable to the nut to suit with the radian of being connected the curved surface component, makes two curved surface components closely laminate, increases the fastener and by the area of contact between the connecting piece, reduces stress concentration phenomenon by a wide margin, increases the packing force between two curved surface components.

Description

Fastener suitable for connecting curved surface member

Technical Field

The utility model relates to a fastener suitable for connect curved surface component.

Background

The fastener is a widely used connecting piece, and is used for connecting two components into a whole; is often applied to the fields of civil engineering, mechanical engineering, vehicles, electric appliances and the like. The bolt is one of the fasteners, the bolt has the function of enabling two or more connected components to be tightly attached and have certain pressing force, and meanwhile, the bolt bears certain load per se to ensure the reliable connection and the normal work of the connected components.

However, in the existing fastener, the contact surfaces of the nut and the bolt head and the connected piece are both flat surfaces, and with the wide application of curved surface members such as corrugated steel plates, the nut with the flat contact surface cannot be well attached to the curved surface member, only the peripheral part of the nut is contacted with the curved surface member, the contact area is very limited, the connected piece cannot have enough pressing force, and meanwhile, the contact is easy to generate stress concentration phenomenon, and the engineering requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is to provide a fastener suitable for connect curved surface component, simple structure and convenient to use are favorable to better connecting the curved surface component.

The utility model discloses a constitute like this, it includes two at least curved surface components, and is fixed through fastener structure between two curved surface components, and fastener structure is including setting up the special-shaped nut in curved surface component's concave surface, and one side that special-shaped nut is close to curved surface component concave surface is equipped with the arcwall face rather than the looks adaptation, and the setting element passes curved surface component, the concave surface that special-shaped nut extends to curved surface component in proper order by curved surface component's convex surface.

Further, an arc-shaped gasket is arranged between the special-shaped nut and the curved surface component, and the arc-shaped gasket is matched with the concave surface of the curved surface component.

Furthermore, the middle part of the special-shaped nut is provided with internal threads.

Furthermore, the positioning piece comprises a screw and a nut arranged at one end of the screw, and external threads are arranged outside the screw.

Furthermore, one side of the nut, which is close to the convex surface of the curved surface component, is provided with helical teeth.

Compared with the prior art, the utility model discloses following beneficial effect has: the device is simple in structure and design, the arc-shaped surface matched with the concave surface of the curved surface component to be connected is arranged through the special-shaped nut, and the curvature of the arc-shaped surface of the special-shaped nut is consistent with that of the curved surface connected piece, so that the special-shaped nut is ensured to be in full contact with the curved surface component to be connected, the contact area between the fastening piece and the component is increased, and the fastening effect is improved; meanwhile, the nut and the positioning piece are fixed at the wave crests or wave troughs of the two curved surface members and can play a role of a stiffening rib, so that the yield resistance of the members is improved; the contact surface of the nut and the curved surface component is provided with helical teeth, so that the friction force between the bolt and the curved surface component is increased.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a special-shaped nut according to an embodiment of the present invention;

fig. 3 is a schematic view of the positioning member according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example (b): referring to the attached drawings 1-3, the fastener suitable for connecting the curved surface members comprises at least two curved surface members 1, the two curved surface members are fixed through a fastener structure, the fastener structure comprises a special-shaped nut 2 arranged in a concave surface of the curved surface members, an arc-shaped surface 21 matched with the special-shaped nut is arranged on one side, close to the concave surface of the curved surface members, of the special-shaped nut, and a positioning piece 3 penetrates through the curved surface members and the special-shaped nut from a convex surface of the curved surface members in sequence and extends to the concave surface of the curved surface members.

The connection position of the curved surface member is provided with a hole position for the positioning piece to penetrate through.

The curvature of the arc surface of the special-shaped nut is the same as that of the concave surface of the connected curved surface component, so that the contact area is increased, and the special-shaped nut and the curved surface component are convenient to cling to each other.

In this embodiment, an arc gasket 4 is arranged between the special-shaped nut and the curved surface member, and the arc gasket is matched with the concave surface of the curved surface member; the radian gasket can be made of rubber.

The curvature of the arc gasket convex part is the same as that of the concave surface of the connected curved surface component.

In this embodiment, the profile nut is provided with an internal thread 22 in the middle.

In this embodiment, the positioning member includes a screw 31 and a nut 32 disposed at one end of the screw, and the screw is externally provided with an external thread 33 for matching with an internal thread of the special-shaped nut.

The nut may be a hex nut.

In this embodiment, in order to enhance the friction force at the contact position of the positioning member and the curved surface member, the nut is provided with inclined teeth at a side close to the convex surface of the curved surface member.

In this embodiment, during the equipment, with two curved surface component overlap joints together, penetrate the setting element by the convex surface of two curved surface components, put into the arc gasket at the concave surface of being connected curved surface component, on the screw rod with special-shaped nut screw in setting element at last, fix a position special-shaped nut, it can to tighten the nut of setting element with the hexagonal spanner.

Any technical solution disclosed in the present invention, unless stated otherwise, if it discloses a numerical range, then the disclosed numerical range is the preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effects which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience of description to distinguish between elements and components, and the terms do not have a special meaning unless otherwise stated.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be formed by a plurality of solitary component parts equipment, also can be for the solitary part that the integrated into one piece technology made out.

It should be finally noted that the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.

Claims

1. The utility model provides a fastener suitable for connect curved surface component, its characterized in that includes two at least curved surface components, is fixed through fastener structure between two curved surface components, and fastener structure is including setting up the dysmorphism nut in the concave surface of curved surface component, and one side that dysmorphism nut is close to curved surface component concave surface is equipped with the arcwall face rather than the looks adaptation, and the setting element passes curved surface component, dysmorphism nut by the convex surface of curved surface component in proper order and extends to the concave surface of curved surface component.

2. The fastener of claim 1, wherein an arcuate washer is disposed between the contoured nut and the curved surface member, the arcuate washer conforming to the concave surface of the curved surface member.

3. A fastener adapted for connection to a curved surface member as claimed in claim 1, wherein said contoured nut is internally threaded at its mid-portion.

4. A fastener adapted for connection to a curved surface member according to claim 1, wherein said locating member comprises a threaded shank and a nut disposed at one end of the shank, said shank having external threads disposed thereon.

5. A fastener adapted for connection to a curved surface member according to claim 4, wherein the nut is provided with angled teeth on the side adjacent the convex surface of the curved surface member.