Fastening device
阅读说明:本技术 紧固装置 (Fastening device ) 是由 孙强 段大鹏 张明 于 2019-04-25 设计创作,主要内容包括:本发明公开了一种紧固装置,包括:平行设置的第一板件和第二板件,第一板件和第二板件在其各自朝向另一板件的表面开设有非贯通的定位槽体;以及连接件,连接件包括:具有第一端部和与所述第一端部相背对的第二端部的本体;第一连接部,其设置在本体的第一端部并且朝向第一板件凸起,从而在本体的第一端部形成围绕第一连接部的第一台阶面,第一台阶面用于在第一连接部插入第一板件的定位槽体后与第一板件抵接;以及;第二连接部,其设置在本体的第二端部并且朝向第二板件凸起,从而在本体的第二端部形成围绕第二连接部的第二台阶面,第二台阶面用于在第二连接部插入第二板件的定位槽体后与第二板件抵接。(The invention discloses a fastening device, comprising: the first plate and the second plate are arranged in parallel, and the surfaces of the first plate and the second plate facing to the other plate are respectively provided with a non-through positioning groove body; and a connector, the connector comprising: a body having a first end and a second end opposite the first end; the first connecting part is arranged at the first end part of the body and protrudes towards the first plate, so that a first step surface surrounding the first connecting part is formed at the first end part of the body, and the first step surface is used for abutting against the first plate after the first connecting part is inserted into the positioning groove body of the first plate; and; and the second connecting part is arranged at the second end of the body and is protruded towards the second plate, so that a second step surface surrounding the second connecting part is formed at the second end of the body, and the second step surface is used for being abutted against the second plate after the second connecting part is inserted into the positioning groove body of the second plate.)
1. A fastening device, comprising:
the first plate and the second plate are arranged in parallel, and the surfaces of the first plate and the second plate facing to the other plate are respectively provided with a non-through positioning groove body; and
A connector, the connector comprising:
a body having a first end and a second end opposite the first end;
the first connecting part is arranged at the first end of the body and protrudes towards the first plate, so that a first step surface surrounding the first connecting part is formed at the first end of the body, and the first step surface is used for abutting against the first plate after the first connecting part is inserted into the positioning groove body of the first plate; and
the second connecting portion is arranged at the second end of the body and protrudes towards the second plate, so that a second step surface surrounding the second connecting portion is formed at the second end of the body, and the second step surface is used for being abutted to the second plate after the second connecting portion is inserted into the positioning groove body of the second plate.
2. The fastening device of claim 1, wherein the first connecting portion is connected to the first plate by a clinch, a turn-up or a flange;
and/or the second connecting part is connected with the second plate through press riveting, turn riveting or flanging.
3. The fastening device according to claim 1, wherein the first connecting portion is connected to the first plate by a screw thread, and the second connecting portion is connected to the second plate by a press rivet, a turn rivet, or a turn-up; or the first connecting part is connected with the first plate through pressure riveting, turning riveting or flanging, and the second connecting part is in threaded connection with the second plate.
4. The fastener of claim 1, wherein a surface of said first plate facing said connector and a surface of said second plate facing said connector are disposed parallel to each other.
5. The fastener of claim 1, wherein said first connecting portion is disposed perpendicularly with respect to a surface of said first plate member adjacent said connecting member; the second connecting part is vertically arranged relative to the surface of the second plate close to the connecting piece.
6. The fastening device of claim 1, wherein the first and/or second connecting portions comprise serrations.
7. The fastening device according to claim 1, wherein a first protruding portion protruding toward the first plate is provided on an end surface of the first end portion of the body, the first protruding portion being configured to be embedded in the first plate after the first connecting portion is riveted with the first plate.
8. The fastening device according to claim 1, wherein a second projecting portion projecting toward the second panel is provided on an end surface of the second end portion of the body, the second projecting portion being for embedding in the second panel after the second connecting portion is caulked with the second panel.
9. The fastening device according to claim 1, further comprising a support portion disposed outside the body, wherein two end faces of the support portion are flush with the end face of the first end portion and the end face of the second end portion of the body, respectively.
10. The fastening device of claim 9, wherein the body and the support portion are of unitary construction.
Technical Field
The invention relates to the technical field of fastening devices, in particular to a fastening device.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In industrial production equipment, due to functional requirements, it is very common that the corresponding part of a product is designed to have a double-layer plate structure. For example, a double-layer structure is required to be locally arranged at a plurality of parts in an automobile structure, and the double-layer structure sometimes does not have very strict requirements on connection strength and needs convenient installation. At present, two parts are usually connected in a threaded connection manner such as a screw and a bolt in a common connection manner in a mechanical structure, and the connection manner is matched with threaded locking and complex in operation on one hand, and on the other hand, through threaded holes or through holes need to be formed in the parts, particularly the parts with large volumes, so that connecting pieces such as the screw and the bolt can pass through the through threaded holes or the through holes, and under the condition that the sealing requirement is high, the integrity of sealing can be damaged due to the arrangement of the through threaded holes or the through holes, so that the instability of the work of the whole part is caused.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the invention.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides the fastening device, the two external plates can be directly fixed through the non-through positioning holes in a riveting connection mode, the overall sealing performance is effectively improved, the end faces of the two external plates can be abutted by the two step faces, and the deformation degree of the external plates is reduced.
The embodiment of the application discloses: a fastening device, comprising: the first plate and the second plate are arranged in parallel, and the surfaces of the first plate and the second plate facing to the other plate are respectively provided with a non-through positioning groove body; and a connector, the connector comprising: a body having a first end and a second end opposite the first end; the first connecting part is arranged at the first end part of the body and protrudes towards the first plate, so that a first step surface surrounding the first connecting part is formed at the first end part of the body, and the first step surface is used for abutting against the first plate after the first connecting part is inserted into the positioning groove body of the first plate; and; and the second connecting part is arranged at the second end of the body and is protruded towards the second plate, so that a second step surface surrounding the second connecting part is formed at the second end of the body, and the second step surface is used for being abutted against the second plate after the second connecting part is inserted into the positioning groove body of the second plate.
Further, the first connecting part is connected with the first plate through pressure riveting, turnover riveting or flanging; and/or the second connecting part is connected with the second plate through press riveting, turn riveting or flanging.
Further, the first connecting part is connected with the first plate through threads, and the second connecting part is connected with the second plate through pressure riveting, turning riveting or turning edges; or the first connecting part is connected with the first plate through pressure riveting, turning riveting or flanging, and the second connecting part is in threaded connection with the second plate.
Further, the surface of the first plate facing the connecting piece and the surface of the second plate facing the connecting piece are arranged in parallel.
Further, the first connecting part is vertically arranged relative to the surface of the first plate part close to the connecting part; the second connecting part is vertically arranged relative to the surface of the second plate close to the connecting piece.
Further, the first and/or second connection portions comprise serrations.
Further, a first protruding portion protruding towards the first plate is arranged on the end face of the first end portion of the body, and the first protruding portion is used for being embedded into the first plate after the first connecting portion is riveted with the first plate.
Further, a second protruding portion protruding towards the second plate is arranged on the end face of the second end portion of the body, and the second protruding portion is used for being embedded into the second plate after the second connecting portion and the second plate are riveted.
Furthermore, the fastening device further comprises a supporting part sleeved on the outer side of the body, and two end faces of the supporting part are respectively flush with the end face of the first end part and the end face of the second end part of the body.
Further, the body and the support portion are of a unitary construction.
By means of the technical scheme, the invention has the following beneficial effects:
1. the fastening device is provided with the first connecting part, the second connecting part and the non-through positioning groove body, the first connecting part and the second connecting part can be respectively inserted into the non-through positioning groove body and riveted with the positioning groove body, and the first plate and the second plate are respectively fixed with the connecting piece; due to the arrangement of the non-through groove body, compared with a threaded connecting piece, the through hole is avoided, and the relative sealing property between one side of the first plate piece, which is far away from the connecting piece, and one side of the second plate piece, which is far away from the connecting piece, is ensured;
2. The fastening assembly replaces locking connection of a threaded part through a riveting arrangement mode, so that the mounting procedure is effectively simplified, and the mounting time is shortened; meanwhile, an external fixing piece introduced when a threaded piece is used is avoided, and the overall production cost is reduced;
3. the fastening assembly of this application is through being provided with first step face and second step face, and then can increase first plate, second plate with the butt area of connecting piece when first plate, second plate receive external force, partial external force can be born to first step face and second step face, and then reduce effectively the deformation degree of first plate, second plate.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall device architecture in one of the states in one embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall device structure in another of its states in one embodiment of the present invention;
FIG. 3 is a schematic diagram of the overall device structure in a state in another embodiment of the present invention;
FIG. 4 is a schematic view of the overall device structure in another state in another embodiment of the present invention;
FIG. 5 is a top view of a portion of the structure of the present invention;
fig. 6 is a schematic view of the overall device structure of the present invention having a support portion and a boss portion.
Reference numerals of the above figures: 1. a first plate member; 2. a second plate member; 3. a positioning groove body; 4. a body; 5. a first connection portion; 6. a second connecting portion; 7. a first step surface; 8. a second step surface; 9. a first boss portion; 10. a second boss portion; 11. a support portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
With reference to fig. 1 to 4, the present embodiment discloses a fastening device, which includes a first plate 1 and a
Through the arrangement of the first connecting
Through the setting of first step face 7 and
In the present embodiment, the first plate 1 and the
In this embodiment, the connecting member is located between the first plate member and the
As shown in fig. 1 and 2, in the present embodiment, the first connecting
In another alternative embodiment, shown in fig. 3 and 4, the first connecting
As shown in fig. 5 and 6, in the present embodiment, a first protruding portion 9 protruding toward the first board 1 is provided on an end surface of the first end portion of the
In the above embodiment, the hardness of the first protruding portion 9 is greater than that of the first board 1, and the hardness of the second protruding portion is greater than that of the
Referring to fig. 5 and 6, in this embodiment, the fastening device includes a supporting
The supporting
In the present embodiment, the
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
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