CN115978059A - Fastening assembly and connecting method - Google Patents

Abstract

The invention discloses a fastening assembly and a connecting method, comprising the following steps: the male head assembly comprises a retaining seat and a male head, a third through hole penetrates through the retaining seat along the axial direction, the male head is partially embedded in the third through hole and can reciprocate along the axial direction, and a locking part is arranged at one end of the male head; the female head assembly comprises a female head fixedly connected with a second plate, a fourth through hole is axially formed in the female head, a first inclined plane part and a second inclined plane part which form a certain included angle are oppositely arranged in the fourth through hole, a moving space in clearance fit with the locking part is formed between the first inclined plane part and the second inclined plane part, and grooves are radially formed in the bottoms of the first inclined plane part and the second inclined plane part; the male head drives the locking part to slide on the first inclined plane part and the second inclined plane part to enter the moving space, and the locking part moves axially and rotates for a certain angle along the preset direction to be clamped with the groove, so that the first plate and the second plate are tightly connected, the locking part is not required to be specially aligned with the moving space by naked eyes, the working efficiency is greatly improved, the labor cost is reduced, and the male head is suitable for large-batch production.

Description

Fastening assembly and connecting method

Technical Field

The invention relates to the technical field of fasteners, in particular to a fastening assembly and a connecting method.

Background

In the industrial field, fasteners are used to connect two or more objects together, and the connection is stable and widely used in various products. Based on this application fastening components, among the prior art, only be equipped with the removal space in the female head, operating personnel need rotate the locking portion of public head when being connected public first subassembly with female first subassembly, during rethread artifical naked eye is aimed at and is inserted the removal space, work efficiency is lower, consumes the human cost, and the angle is big when rotatory, need rotate many times just can be accurate, is not suitable for large batch production.

Disclosure of Invention

To overcome the deficiencies in the prior art, embodiments of the present invention provide a fastening assembly and a method of attachment that address at least one of the above issues.

The embodiment of the application discloses a fastening assembly and a connecting method. The locking part at one end of the male head slides on the inclined planes of the first inclined plane part and the second inclined plane part to rotate by a small angle, so that the male head can automatically slide into a moving space, the male head is connected with the female head, the locking part does not need to be specially aligned with the moving space by naked eyes, the working efficiency is greatly improved, the labor cost is reduced, and the male head is suitable for mass production.

Wherein, a fastening components for connect first panel and second panel, be equipped with first through-hole on the first panel, be equipped with the second through-hole on the second panel, include:

the male head assembly comprises a retaining seat and a male head, the retaining seat is embedded in the first through hole and is fixedly connected with the first through hole, a third through hole penetrates through the retaining seat along the axial direction, the male head is partially embedded in the third through hole and can reciprocate relative to the retaining seat along the axial direction, and a locking part is arranged at one end of the male head;

the female head assembly comprises a female head fixedly connected with the second plate, a fourth through hole is axially formed in the female head, a first inclined plane part and a second inclined plane part are oppositely arranged in the fourth through hole, an inclined plane of the first inclined plane part and an inclined plane of the second inclined plane part form a certain included angle, a moving space in clearance fit with the locking part is formed between the first inclined plane part and the second inclined plane part, and grooves are formed in the bottoms of the first inclined plane part and the second inclined plane part along the radial direction;

the male head drives the locking part to slide on the first inclined plane part and the second inclined plane part to enter a moving space, and the locking part rotates by a certain angle along the axial direction to be clamped with the groove in a preset direction so as to enable the first plate to be fixedly connected with the second plate.

Furthermore, the outer edge of the retaining seat is provided with a first step part, one end of the retaining seat and the first step part are provided with an annular groove, the annular groove is in clearance fit with the first through hole, and the outer diameter of the first step part is larger than the inner diameter of the first through hole.

Furthermore, the male head further comprises a first body and a second step part arranged on the outer edge of the first body, and the second step part is abutted against the end face of the first plate.

Furthermore, a limiting part is arranged in the third through hole along the radial direction, the inner diameter of the limiting part is smaller than the outer diameter of the second step part, and the distance from the bottom of the limiting part to the bottom of the third through hole is matched with the distance from the top of the second step part to the bottom of the locking part.

Further, the locking part is provided with a long side and a short side which are oppositely arranged.

Further, public first subassembly still includes the cover and establishes the nut in the outer fringe of keeping the seat, the top of nut with public first fixed connection, be equipped with the cover in the nut and establish the spring in public first outer fringe, the both ends of spring respectively with the top of nut reaches the top of keeping the seat is connected.

Furthermore, the spring has a certain pretightening force in an initial state.

Furthermore, the female head comprises a second body and a third step part which is arranged at the outer edge of the second body and has a certain distance with the bottom of the second body, and the third step part is abutted against the end face of the second plate.

Further, the inclined plane of the first inclined plane part and the inclined plane of the second inclined plane part form an included angle different from 0 degree or 180 degrees.

Further, the length of the moving space is greater than that of the locking part, and the width of the moving space is greater than that of the locking part and less than that of the locking part.

Furthermore, the bottom of the first inclined plane part is provided with a first groove, the bottom of the second inclined plane part is provided with a second groove, and the distance between the first groove and the second groove is slightly greater than the length of the locking part.

Furthermore, the two ends of the first groove and the second groove are respectively provided with a first fool-proof portion and a second fool-proof portion, and the height of the first fool-proof portion is smaller than that of the second fool-proof portion.

A method of connecting a fastener assembly of any one of the preceding claims, comprising the steps of:

applying a force axially from the male end face to move and slide the locking portion onto the first and second ramp portions;

rotating the locking part to enter a moving space and moving the locking part to the bottoms of the first inclined plane part and the second inclined plane part along the axial direction;

and the locking part rotates a certain angle along a preset direction to be clamped with the first groove and the second groove, so that the male head assembly and the female head assembly are fastened and connected, and the first plate and the second plate are connected.

The invention has the following beneficial effects:

the fastening assembly connects the male assembly to a first plate, the female assembly to a second plate, and the connection of the two plates is indirectly realized through the connection of the male assembly and the female assembly. The locking part at one end of the male head slides on the inclined planes of the first inclined plane part and the second inclined plane part to rotate by a small angle, so that the male head can automatically slide into a moving space, the male head is connected with the female head, the locking part is not required to be specially aligned with the moving space by naked eyes, the working efficiency is greatly improved, the labor cost is reduced, and the male head is suitable for large-batch production.

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 structural view of a fastener assembly and method of attachment according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a fastener assembly in a released state according to an embodiment of the present invention;

FIG. 3 is a schematic view of the embodiment of the present invention showing the fastening assembly in a locked state;

FIG. 4 is a cross-sectional view of the fastening assembly in a released state in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the fastening assembly in a locked condition in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a male component in an embodiment of the invention;

FIG. 7 is a top view of a female assembly in an embodiment of the invention;

fig. 8 is a cross-sectional view of a female assembly in an embodiment of the invention.

Reference numerals of the above figures: 10. a fastening assembly; 11. a male component; 110. a holder; 111. a male head; 112. a third through hole; 113. a locking portion; 114. a first step portion; 115. a first body; 116. a second stepped portion; 117. a limiting part; 118. a nut; 119. a spring; 12. a female component; 120. a female head; 121. a fourth via hole; 122. a first inclined surface part; 123. a second inclined surface part; 124. a movement space; 125. a first groove; 126. a second groove; 127. a first fool-proof portion; 128. a second fool-proof portion; 129. a second body; 130. a third step portion; 20. a first sheet material; 30. a second sheet material.

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 the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

According to the fastening assembly and the connection method, the male head assembly is connected to the first plate, the female head assembly is connected to the second plate, and the two plates are indirectly connected through the connection of the male head and the female head. The locking part at one end of the male head slides on the inclined planes of the first inclined plane part and the second inclined plane part to rotate by a small angle, so that the male head can automatically slide into a moving space, the male head is connected with the female head, the locking part is not required to be specially aligned with the moving space by naked eyes, the working efficiency is greatly improved, the labor cost is reduced, and the male head is suitable for large-batch production.

The present invention will be described in detail with reference to the accompanying drawings 1 to 8 and examples.

This embodiment fastening components 10 for connect first panel 20 and second panel 30, be equipped with first through-hole on the first panel 20, be equipped with the second through-hole on the second panel 30, include:

the male head assembly 11, the male head assembly 11 includes a holder 110 and a male head 111, the holder 110 is embedded in the first through hole and is fixedly connected with the first through hole, a third through hole 112 axially penetrates through the holder 110, a part of the male head 111 is embedded in the third through hole 112 and can axially reciprocate relative to the holder 110, and one end of the male head 111 is provided with a locking part 113;

the female head assembly 12 includes a female head 120 fixedly connected to the second plate 30, a fourth through hole 121 is axially formed in the female head 120, a first inclined surface portion 122 and a second inclined surface portion 123 are relatively formed in the fourth through hole 121, an inclined surface of the first inclined surface portion 122 and an inclined surface of the second inclined surface portion 123 form a certain included angle, a moving space 124 in clearance fit with the locking portion 113 is formed between the first inclined surface portion 122 and the second inclined surface portion 123, and grooves are radially formed at bottoms of the first inclined surface portion 122 and the second inclined surface portion 123;

the male tab 111 drives the locking portion 113 to slide on the first inclined plane portion 122 and the second inclined plane portion 123 into the moving space 124, and move axially and rotate a certain angle along a predetermined direction to be clamped with the groove, so that the first plate 20 and the second plate 30 are fastened and connected.

With reference to fig. 1 to 5, with the above structure, an operator fixedly connects the male component 11 to the first plate 20, fixedly connects the female component 12 to the second plate 30, and places the female component 12 below the male component 11, so that the male component 111 and the fourth through hole 121 are located on the same axis. Applying a pressure from the end surface of the nut 118 to make the nut 118 drive the male head 111 to move downward along the axis, so that the locking portion 113 of the male head 111 moves onto the first inclined surface portion 122 and the second inclined surface portion 123 in the female head 120; the nut 118 is rotated, so that the locking portion 113 is rotated by a small angle under the pushing of the male head 111 to enter the moving space 124, and is moved axially downward to a position below the first inclined plane portion 122 and the second inclined plane portion 123, and is rotated by a certain angle in a preset direction to realize the clamping connection of the locking portion 113 with the first groove 125 and the second groove 126, so as to realize the connection of the male head assembly 11 with the female head assembly 12, and further realize the connection of the first plate 20 with the second plate 30.

Referring specifically to fig. 1, 6, 7 and 8, in the present embodiment, the fastening assembly 10 is used to connect the first sheet 20 and the second sheet 30. The first plate 20 is provided with a first through hole (not shown). The second plate 30 is provided with a second through hole (not shown). The fastening assembly 10 includes: a male component 11 and a female component 12. The male assembly 11 includes a holder 110 and a male 111. The holder 110 may have a cylindrical shape. The holder 110 is embedded in the first through hole and is fixedly connected with the first through hole. The holder 110 may be connected to the plate by spin riveting, pressure riveting, welding, gluing, or the like. A third through hole 112 axially penetrates through the holder 110. The male end 111 is partially embedded in the third through hole 112 and can reciprocate in an axial direction relative to the holder 110. One end of the male head 111 is provided with a locking part 113. The locking portion 113 may have a rectangular shape. The female assembly 12 includes a female head 120 fixedly connected to the second sheet 30. A fourth through hole 121 is axially formed in the female head 120. A first inclined surface portion 122 and a second inclined surface portion 123 are oppositely disposed in the fourth through hole 121. The inclined plane of the first inclined plane part 122 and the inclined plane of the second inclined plane part 123 form a certain included angle α. The angle alpha is not 0 degrees or 180 degrees. A moving space 124 which is in clearance fit with the locking portion 113 is formed between the first inclined surface portion 122 and the second inclined surface portion 123. The movement space 124 may have a rectangular shape. The bottoms of the first inclined plane part 122 and the second inclined plane part 123 are both provided with grooves along the radial direction.

The male tab 111 drives the locking portion 113 to slide on the first inclined plane portion 122 and the second inclined plane portion 123 into the moving space 124, and move axially and rotate a certain angle along a predetermined direction to be clamped with the groove, so that the first plate 20 and the second plate 30 are fastened and connected. The fastening assembly 10 does not need to specially align the locking part 113 with the moving space 124 by naked eyes, greatly improves the working efficiency, reduces the labor cost, and is suitable for mass production.

Specifically, in the present embodiment, the outer edge of the holder 110 is provided with a first step portion 114. The first step portion 114 and one end of the holder 110 are provided with an annular groove (not shown). The annular groove is in clearance fit with the first through hole. The outer diameter of the first stepped portion 114 is larger than the inner diameter of the first through hole. The bottom of the first step portion 114 of the holder 110 may be fixedly connected to the first plate 20 by spin riveting, pressure riveting, welding, gluing, or the like.

Specifically, in this embodiment, the male part 111 further includes a first body 115, and a second step portion 116 disposed on an outer edge of the first body 115. The second step 116 can abut against the end surface of the second plate 30, so that the male component 11 is fixed on the female component 12, thereby realizing the stable connection between the first plate 20 and the second plate 30.

In an alternative embodiment, a stopper 117 is radially disposed in the third through hole 112. The inner diameter of the stopper 117 is smaller than the outer diameter of the second stepped portion 116. The distance from the bottom of the limiting portion 117 to the bottom of the third through hole 112 is matched with the distance from the top of the second step portion 116 to the bottom of the locking portion 113, so that in the releasing state, the male head 111 can be located inside the third through hole 112, and the male head 111 is prevented from being separated from the third through hole 112 under the blocking of the second step portion 116.

Referring specifically to fig. 6, in the present embodiment, the locking portion 113 has a long side disposed opposite to each other and a short side disposed opposite to each other. The locking portion 113 may have a rectangular shape. When the male assembly 11 and the female assembly 12 are in the release state, the locking part 113 is located in the third through hole 112, and the positions of the long side and the short side of the locking part 113 are not limited. When the male assembly 11 and the female assembly 12 are in a locked state, the locking part 113 is clamped with the first groove 125 and the second groove 126, and the long edge of the locking part 113 is matched with the lengths of the first groove 125 and the second groove 126; the short sides of the locking portions 113 are matched with the widths of the first groove 125 and the second groove 126, thereby achieving the connection of the first plate 20 and the second plate 30.

Specifically, in this embodiment, the male component 11 further includes a nut 118 disposed on an outer edge of the holder 110. The nut 118 may be cylindrical. The top of the nut 118 is fixedly connected to the male portion 111. A spring 119 is arranged in the nut 118 and sleeved on the outer edge of the male head 111. The spring 119 has a certain pretension in the initial state. Both ends of the spring 119 are respectively connected to the top of the nut 118 and the top of the holder 110. When the fastening assembly 10 is tightened, the nut 118 drives the male head 111 to move downwards to compress the spring 119, so that the male head 111 enters the lower part of the female head 120 to realize connection; when the fastener is released, the nut 118 rotates the locking portion 113 to be released from the moving space 124, and the compressed spring 119 is restored, thereby achieving the separation of the male assembly 11 from the female assembly 12.

Specifically, in this embodiment, the female head 120 includes a second body 129, and a third step portion 130 disposed at an outer edge of the second body 129 and having a certain distance from a bottom of the second body 129. The third step 130 abuts against an end surface of the second plate 30. The third step portion 130 may be fixedly connected to the second plate 30 by spin riveting, pressure riveting, welding, gluing, or the like.

Specifically, in the present embodiment, the length of the moving space 124 is greater than the length of the locking portion 113. The width of the moving space 124 is greater than the width of the locking part 113 and less than the length of the locking part 113. The moving space 124 is in clearance fit with the locking portion 113, so that the locking portion 113 can move in the moving space 124, thereby connecting the male assembly 11 with the female assembly 12.

Referring to fig. 8 in particular, in the present embodiment, the bottom of the first inclined plane part 122 is provided with a first groove 125. The bottom of the second inclined plane part 123 is provided with a second groove 126. The distance between the first groove 125 and the second groove 126 is slightly larger than the length of the locking portion 113, so that the locking portion 113 can be clamped with the first groove 125 and the second groove 126, thereby connecting the male component 11 with the female component 12.

Specifically, in this embodiment, the first groove 125 and the second groove 126 are respectively provided with a first fool-proof portion 127 and a second fool-proof portion 128 at two ends thereof. The height of the first fool-proof portion 127 is smaller than the height of the second fool-proof portion 128. The first fool-proof portion 127 is used for preventing the locking portion 113 from retracting from the moving space 124. The second fool-proof portion 128 is configured to limit the locking portion 113 to a certain angle when the locking portion is rotated under the first inclined plane portion 122 and the second inclined plane portion 123, so as to prevent the locking portion 113 from rotating all the time and being unable to be clamped with the first groove 125 and the second groove 126.

The present application also discloses a method of attaching a fastener assembly 10, the method of attaching a fastener assembly 10 as claimed in any one of the preceding claims, comprising the steps of:

applying a force in an axial direction from the end surface of the male part 111 to move the locking part 113 downward in the axial direction onto and slide on the first inclined surface part 122 and the second inclined surface part 123;

rotating the locking portion 113 to match the moving space 124 and enter from the moving space 124, and moving downward in the axial direction to the bottoms of the first and second slope surface portions 122 and 123;

the locking portion 113 is rotated by a certain angle along a predetermined direction to be clamped with the first groove 125 and the second groove 126, so that the male head assembly 11 and the female head assembly 12 are fastened and connected, thereby realizing the connection between the first plate 20 and the second plate 30.

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 technical scheme 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.

Claims (13)

1. The utility model provides a fastening components for connect first panel and second panel, be equipped with first through-hole on the first panel, be equipped with the second through-hole on the second panel, its characterized in that includes:

the male head assembly comprises a retaining seat and a male head, the retaining seat is embedded in the first through hole and is fixedly connected with the first through hole, a third through hole penetrates through the retaining seat along the axial direction, the male head is partially embedded in the third through hole and can reciprocate relative to the retaining seat along the axial direction, and a locking part is arranged at one end of the male head;

the female head assembly comprises a female head fixedly connected with the second plate, a fourth through hole is axially formed in the female head, a first inclined plane part and a second inclined plane part are oppositely arranged in the fourth through hole, an inclined plane of the first inclined plane part and an inclined plane of the second inclined plane part form a certain included angle, a moving space in clearance fit with the locking part is formed between the first inclined plane part and the second inclined plane part, and grooves are formed in the bottoms of the first inclined plane part and the second inclined plane part along the radial direction;

the male head drives the locking part to slide on the first inclined plane part and the second inclined plane part to enter a moving space, and the locking part rotates by a certain angle along the axial direction to be clamped with the groove in a preset direction so as to connect the first plate with the second plate.

2. The fastening assembly according to claim 1, wherein the outer edge of the holder is provided with a first step portion, the first step portion and one end of the holder are provided with an annular groove, the annular groove is in clearance fit with the first through hole, and the outer diameter of the first step portion is larger than the inner diameter of the first through hole.

3. The fastening assembly of claim 1, wherein the male end further comprises a first body, a second step disposed on an outer edge of the first body, the second step abutting an end surface of the first sheet material.

4. The fastening assembly according to claim 3, wherein a limiting portion is radially disposed in the third through hole, an inner diameter of the limiting portion is smaller than an outer diameter of the second stepped portion, and a distance from a bottom of the limiting portion to a bottom of the third through hole is matched with a distance from a top of the second stepped portion to a bottom of the locking portion.

5. The fastening assembly of claim 1, wherein the locking portion has opposed long sides and opposed short sides.

6. The fastening assembly according to claim 1, wherein the male assembly further comprises a nut sleeved on the outer edge of the holder, the top of the nut is fixedly connected with the male, a spring sleeved on the outer edge of the male is arranged in the nut, and two ends of the spring are respectively connected with the top of the nut and the top of the holder.

7. The fastening assembly of claim 6, wherein the spring has a pre-load force in an initial state.

8. The fastening assembly of claim 1, wherein the female end comprises a second body, a third step disposed at an outer edge of the second body and spaced from a bottom of the second body, the third step abutting an end surface of the second plate.

9. The fastening assembly of claim 1, wherein the slope of the first slope portion is at an angle other than 0 ° or 180 ° to the slope of the second slope portion.

10. The fastening assembly according to claim 1, wherein the moving space has a length greater than a length of the locking portion, and a width greater than and less than a width of the locking portion.

11. The fastening assembly according to claim 1, wherein a bottom of the first ramp portion is provided with a first groove, a bottom of the second ramp portion is provided with a second groove, and a distance between the first groove and the second groove is slightly larger than a length of the locking portion.

12. The fastening assembly according to claim 1, wherein a first fool-proof portion and a second fool-proof portion are respectively disposed at two ends of the first groove and the second groove, and the height of the first fool-proof portion is smaller than that of the second fool-proof portion.

13. A method of attaching a fastener assembly according to any one of claims 1 to 12, comprising the steps of:

applying a force axially from the male end face to move the locking portion onto and slide on the first and second ramp portions;

rotating the locking part to enter a moving space and moving the locking part to the bottoms of the first inclined plane part and the second inclined plane part along the axial direction;

and the locking part rotates for a certain angle along a preset direction to be clamped with the first groove and the second groove, so that the male head assembly and the female head assembly are fastened and connected, and the first plate and the second plate are connected.

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