CN221299715U

CN221299715U - Fastening structure

Info

Publication number: CN221299715U
Application number: CN202323187166.2U
Authority: CN
Inventors: 吴鹏程; 赵伟峰; 余青华
Original assignee: Fischer Taicang Building Anchor Bolt Co ltd
Current assignee: Fischer Taicang Building Anchor Bolt Co ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-07-09
Anticipated expiration: 2033-11-24

Abstract

The utility model discloses a fastening structure, comprising: the nut is provided with a first plane, and the first plane extends outwards along the axial direction of the nut to form at least three protruding structures; the second connecting piece is provided with a second hole for inserting the protruding structure, and a plurality of positioning parts for limiting the rotation of the protruding structure are arranged on the periphery of the second hole. According to the utility model, the waist-shaped holes of the connecting piece or the special stripes on the connecting piece are matched with the convex points on the nut, so that the purpose of preventing the nut from rotating along with the rotation is achieved, the penetrating type supporting and hanging frame is allowed to be installed through two sets of bolt and nut on two sides, and additional fixing nuts such as a spanner and the like are not required to be provided.

Description

Fastening structure

Technical Field

The utility model relates to the technical field of supporting and hanging frames, in particular to a fastening structure.

Background

The installation of the connection nodes of the threading support and hanger in the current market is inconvenient or has great safety risks.

One of the connection modes is to install through two sets of bolts and nuts on two sides respectively, for example, a novel assembled support and hanger provided by CN202210720613.7 and a use method thereof, and the mode can avoid deformation of a beam caused by installation. However, the inner nut rotates along with the bolt while tightening the bolt, and an additional wrench is required to fix the bolt, so that the internal space of the beam is very limited, and the construction conditions on site are usually severe (such as face-up construction, dim light, etc.), so that the installation is troublesome.

The other connecting mode is through penetrating long bolt connection, the bolt head and the nut are respectively arranged on two sides of the beam, so that a larger space can be provided for fixing the beam by using a spanner and the like, but the beam can be compressed and deformed while the nut is locked, so that the required installation torque cannot be achieved, the load cannot be ensured, and the application is influenced.

Disclosure of utility model

In view of the above, an object of the present utility model is to provide a fastening structure.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

A fastening structure, comprising: a threaded fastener and a nut that mate with each other, wherein the nut has a first planar surface that extends outwardly in an axial direction of the nut to form at least three raised structures;

the first connecting piece is provided with a first surface, a first hole is formed in the first surface, one of the three protruding structures is operatively arranged in the first hole, the other two of the three protruding structures are operatively abutted to the first surface, and at least one part of the first hole is in limit with one of the three protruding structures, so that the nut cannot rotate relative to the first hole.

The above-mentioned fastening structure, wherein still include:

the beam structure comprises a web plate and two wing plates fixedly connected with two sides of the web plate, and long grooves are formed in the wing plates along the length direction of the wing plates, so that the threaded fasteners and/or the nuts are allowed to move in the long grooves;

The first connecting piece is arranged between the two wing plates, and the threaded fastener sequentially penetrates through the long groove and the first hole and is in threaded connection with the nut.

The fastening structure described above, wherein a length of one of the three protruding structures is greater than a length of the remaining two of the three protruding structures.

The fastening structure is characterized in that the lengths of the three protruding structures are equal, and the first plane is obliquely arranged relative to the first surface.

The first connecting piece is provided with a first hole for the protrusion structure to be inserted, the first hole is provided with at least two limiting edges which are arranged opposite to each other and used for limiting the rotation of the protrusion structure, and a first distance is arranged between the two limiting edges;

The three protruding structures form a triangle, the triangle is provided with a base, a height perpendicular to the base and two hypotenuses, the height is a second distance, and the length of the hypotenuse with the shorter length of the two hypotenuses is a third distance;

Wherein the second distance is less than or equal to the first distance and the third distance is greater than the first distance such that the nut cannot rotate relative to the first hole in at least one direction.

The above-mentioned fastening structure, wherein still include:

The fastening structure, wherein the triangle is a right triangle;

Or, the triangle is an isosceles triangle;

or, the triangle is a non-isosceles and non-right triangle.

The fastening structure comprises four protruding structures, wherein the four protruding structures form a parallelogram.

The second connecting piece is provided with a second hole for the protrusion structure to be inserted, and a plurality of positioning parts for limiting the rotation of the protrusion structure are arranged on the periphery of the second hole.

The above-mentioned fastening structure, wherein still include:

The second connecting piece is arranged between the two wing plates, and the threaded fastener sequentially penetrates through the long groove and the second hole and is in threaded connection with the nut.

The fastening structure is characterized in that the positioning part is a strip-shaped positioning rib.

The fastening structure comprises a plurality of positioning ribs which are arranged radially.

The fastening structure comprises a second connecting piece plane attached to the first plane, wherein a plurality of grooves are formed in the second connecting piece plane, and positioning ribs are formed between every two adjacent grooves.

The fastening structure comprises two nuts which are arranged opposite to each other, an elastic piece is arranged between the two nuts, and the protruding structures of the two nuts are respectively arranged towards the outer side.

The fastening structure comprises a nut body and a nut boss connected with the nut body, wherein the surface of the nut boss provides the first plane.

The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:

(1) According to the utility model, the waist-shaped holes of the connecting piece or the special stripes on the connecting piece are matched with the convex points on the nut, so that the purpose of preventing the nut from rotating along with the rotation is achieved, the penetrating type supporting and hanging frame is allowed to be installed through two sets of bolt and nut on two sides, and additional fixing nuts such as a spanner and the like are not required to be provided.

Drawings

Fig. 1 is a schematic view of a first embodiment and a second embodiment of the fastening structure of the present utility model.

Fig. 2 is an enlarged partial schematic view of fig. 1 of a first embodiment, a second embodiment of the fastening structure of the present utility model.

Fig. 3 is an assembly schematic view of a first embodiment and a second embodiment of the fastening structure of the present utility model.

Fig. 4 is a schematic view of a third embodiment of the fastening structure of the present utility model.

Fig. 5 is an enlarged partial schematic view of fig. 4 of a third embodiment of the fastening structure of the present utility model.

Fig. 6 is an assembly schematic view of a third embodiment of the fastening structure of the present utility model.

Fig. 7 is a schematic view of one embodiment of a first connector of the fastening structure of the present utility model.

Fig. 8 is a schematic view of a nut of the fastening structure of the present utility model.

Fig. 9 is a schematic view of a double-headed nut of the fastening structure of the present utility model.

Fig. 10 to 12 are schematic views of the position distribution of the convex structure of the fastening structure of the present utility model.

Fig. 13 is a schematic view of the fit of the first embodiment of the fastening structure of the present utility model.

In the accompanying drawings: A. a waist-shaped hole; 1. a nut; 10. a bump structure; 11. a nut body; 12. a nut boss; 2. a first connector; 21. a first hole; 3. a beam structure; 31. a web; 32. a wing plate; 321. a long groove; 4. a second connector; 41. a second hole; 42. positioning ribs; 5. an elastic member; 9. a threaded fastener; 90. a gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "transverse," "vertical," and the like are used for convenience in describing the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the device or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "horizontal" and "vertical" are used to describe a general positional relationship, and are not strictly "horizontal" or "vertical".

First embodiment:

Referring to fig. 1 to 3, and fig. 8 and 9, a fastening structure of a preferred embodiment is shown, including: the threaded fastener 9 and the nut 1 are matched to each other, wherein the nut 1 is provided with a first plane which extends outwards in the axial direction of the nut 1 to form at least three protruding structures 10.

Further, as a preferred embodiment, the method further comprises: the first connecting piece 2, the first connecting piece 2 has a first surface, a first hole 21 is formed in the first surface, one of the three protruding structures 10 is arranged in the first hole 21, the other two of the three protruding structures are propped against the first surface, and at least one part of the first hole 21 forms a limit edge matched with one of the three protruding structures 10, so that the nut 1 cannot rotate relative to the first hole 21.

Specifically, as shown in fig. 13, when one of the three protruding structures 10 of the nut 1 is disposed inside the second hole 21, the threaded fastener 9 is screwed into the nut 1, and in the case of the nut 1 rotating along with it, one of the three protruding structures 10 is blocked by the side edge of the first hole 21, that is, the above-mentioned limit edge, and cannot rotate, at this time, the threaded fastener 8 is screwed continuously, so that the fastening can be performed without arranging a device for limiting the rotation of the nut 1, such as a wrench.

Preferably, the first hole 21 is a waist-shaped hole.

Preferably, as shown in fig. 13, the upper and lower walls of the first hole 21 provide the above-described limit edges.

Further, as a preferred embodiment, the fastening structure further includes: the beam structure 3, the beam structure 3 comprises a web 31 and two wing plates 32 fixedly connected with two sides of the web 31, and long grooves 321 are formed in the wing plates 32 along the length direction of the wing plates, and the long grooves 321 allow the threaded fasteners 9 and/or the nuts 1 to move inside the long grooves 321.

Further, as a preferred embodiment, the first connecting member 2 is disposed between the two wings 32, and the threaded fastener 9 sequentially penetrates the long groove 321 and the first hole 21 and is screwed with the nut 1.

In the present embodiment, the beam structure 3 is vertically arranged, and the long groove 321 is opened in the vertical direction to allow the threaded fastener 9 to move in the vertical direction with the nut 1, thereby fixing the first connecting member 2 to an arbitrary position.

In this embodiment, the beam structure 3 is a longitudinal beam. In this embodiment, the first connector 2 is a cross beam, which also has webs and wings similar to the beam structure 3.

More specifically, the first surface is provided by a wing of the first connector 2.

In this embodiment, the beam structure 3 and the first connecting member 2 are both C-shaped in cross section, and in other embodiments, they may be H-shaped in cross section.

Specifically, CN202210720613.7 provides a novel assembled support and hanger and a method for using the same, where the beam structure 3 and the first connecting piece 2 in this embodiment are similar to the first beam structure and the second beam structure respectively. Similarly, the present embodiment also has a gasket similar to the above gasket, namely, the gasket 90 in fig. 1 to 3.

Further, as a preferred embodiment, the length of one of the three raised structures 10 is greater than the length of the remaining two of the three raised structures 10.

Further, as a preferred embodiment, the three bump structures 10 are equal in length, and the first plane is disposed obliquely with respect to the first surface.

Further, as a preferred embodiment, it includes two nuts 1 disposed opposite to each other, an elastic member 5 is provided between the two nuts 1, and the protruding structures 10 of the two nuts 1 are each disposed toward the outside.

In particular, the elastic element 5 provides a force that brings the first flat surfaces of the two nuts 1 against the wings of the first connecting element 2.

Specifically, the elastic member 5 is a spring, and the elastic member 5 may be other structures for providing axial elastic force.

Further, as a preferred embodiment, the nut 1 includes a nut body 11 and a nut boss 12 connected to the nut body 11, the surface of the nut boss 12 providing a first plane.

Second embodiment:

Further, as a preferred embodiment, the method further comprises: the first connecting piece 2, the first connecting piece 2 has the first hole 21 that supplies protruding structure 10 to insert, and first hole 21 has two at least limit limits that are arranged in opposite each other that are used for restricting protruding structure 10 rotation, possess first distance between two limit limits.

Further, as a preferred embodiment, three of the bump structures 10 form a triangle, which has a base, a height perpendicular to the base, and two hypotenuses, the height being the second distance, and the length of the shorter hypotenuse of the two hypotenuses being the third distance.

Further, as a preferred embodiment, the second distance is less than or equal to the first distance, and the third distance is greater than the first distance, such that the nut cannot rotate relative to the first hole in at least one direction or even both directions (i.e., clockwise, counterclockwise in fig. 10-12).

Specifically, the axial direction refers to the up-down direction in fig. 8 and 9. It should be noted that, in the present utility model, the axial direction refers to the direction extending generally in the up-down direction in fig. 8 and 9, and extends in the left-right direction in fig. 8 and 9, and is not strictly required to be parallel to the central axis of the nut, and will not be described in detail.

In this embodiment, referring to fig. 8, three protruding structures 10 are arranged in a regular triangle, when they are placed inside the waist-shaped hole a as shown in fig. 1 to 3, wherein two protruding structures 10 are located at one waist portion of the waist-shaped hole a, the other protruding structure 10 is located at the other waist portion of the waist-shaped hole a, the two waist portions form the two limit edges, and the distance between the two waist portions forms the first distance.

Since the first distance between the two waists is smaller than the distance between the two protruding structures 10, it is impossible to provide a space in which the protruding structures 10 rotate around the center of the nut 1, thereby impeding the rotation of the nut 1.

In other embodiments, the waist-shaped hole may be replaced by other shapes, as long as it provides two limiting edges and limits the rotation of the protruding structure 10 around the center of the nut 1.

Further, as a preferred embodiment, the triangle formed by the three protruding structures 10 is a right triangle, and is limited to rotate to the right side (i.e. clockwise) as shown in fig. 10, and is possibly rotated to the left side (i.e. counterclockwise) by a certain angle in the case that the left-right length of the waist-shaped hole a is long, and is limited to rotate to the left side in the case that the left-right length of the waist-shaped hole a is short.

Further, as a preferred embodiment, the triangle formed by the three protruding structures 10 is an isosceles triangle, which is limited to rotate to the left and right sides as shown in fig. 11.

Further, as a preferred embodiment, the triangle formed by the three protruding structures 10 is a non-isosceles and non-right triangle, and as shown in fig. 12, it is limited to rotate to the left and right sides.

Further, as a preferred embodiment, four bump structures 10 are included, and the four bump structures 10 form a parallelogram.

Third embodiment:

Referring to fig. 4 to 7, and fig. 8 and 9, a fastening structure of a preferred embodiment is shown, including: the threaded fastener 9 and the nut 1 are matched to each other, wherein the nut 1 is provided with a first plane which extends outwards in the axial direction of the nut 1 to form at least three protruding structures 10. The nut 1 in the present embodiment is the same in structure as the nut 1 in the first embodiment.

Further, as a preferred embodiment, the fastening structure further includes: the second connecting member 4, the second connecting member 4 has a second hole 41 into which the protrusion structure 10 is inserted, and a plurality of positioning portions for restricting rotation of the protrusion structure 10 are arranged at the outer circumference of the second hole 41.

Further, as a preferred embodiment, the method further comprises: the beam structure 3, the beam structure 3 comprises a web 31 and two wing plates 32 fixedly connected with two sides of the web 31, and long grooves 321 are formed in the wing plates 32 along the length direction of the wing plates, and the long grooves 321 allow the threaded fasteners 9 and/or the nuts 1 to move inside the long grooves 321.

Further, as a preferred embodiment, the second connecting member 4 is disposed between the two wings 32, and the threaded fastener 9 sequentially penetrates the long groove 321 and the second hole 41 and is screwed with the nut 1.

Specifically, CN202210720613.7 provides a novel assembled support and hanger and a method for using the same, and the beam structure 3 of this embodiment is similar to its first beam structure. Similarly, the present embodiment also has a gasket similar to the above gasket, namely, the gasket 90 in fig. 4 to 6.

Specifically, the second connecting member 4 includes: a connector support plate 44, a connector web 45 connected to the connector support plate 44, and connector wings 46 located on both sides of the connector web 45.

Specifically, the connector tabs 46 are also connected to the connector support plate 44.

Preferably, in other embodiments, the second connecting member 4 may be any shape connecting member as long as it is provided with the second hole 41 and a positioning portion provided around the second hole 41 for restricting the rotation of the boss structure 10 of the nut 1.

For example, in one possible embodiment, the second connecting member 4 is a plate-like structure, a circular second hole 41 is formed in the second connecting member 4, the second hole 41 is configured to be located at a middle portion of the protrusion structure 10 of the nut 1, and a positioning portion is provided around the second hole 41, and the positioning portion interferes with the protrusion structure 10 to prevent the nut 1 from rotating.

For example, in other possible embodiments, the second connection member 4 may be a deformation based on the above-described plate-like structure, such as a bent plate-like structure, a structure in which a plurality of plate-like structures are spliced with each other, or the like.

Further, as a preferred embodiment, the positioning portion is an elongated positioning rib 42.

Further, as a preferred embodiment, the plurality of positioning ribs 42 are arranged radially.

Further, as a preferred embodiment, the second connecting piece 4 is provided with a second connecting piece plane which is attached to the first plane, a plurality of grooves 43 are formed on the second connecting piece plane, and positioning ribs 42 are formed between every two adjacent grooves 43.

Further, as a preferred embodiment, the protrusion 1 is arranged in the recess 43 when the first plane is in engagement with the second connector plane.

Further, as a preferred embodiment, the depth of the grooves 43 matches the height of the raised structures 1.

Further, as a preferred embodiment, when the nut 1 is rotated, the protrusion structure 10 is blocked by the edge of the groove 43, i.e., the positioning rib 42, so that the nut 1 cannot be rotated.

In particular, the elastic element 5 provides a force that brings the first flat surfaces of the two nuts 1 against the wings of the second connecting element 4.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A fastening structure, characterized by comprising: a threaded fastener and a nut that mate with each other, wherein the nut has a first planar surface that extends outwardly in an axial direction of the nut to form at least three raised structures;

The first connecting piece is provided with a first surface, a first hole is formed in the first surface, one of the three protruding structures is operatively arranged in the first hole, the other two of the three protruding structures are operatively abutted to the first surface, and at least one part of the first hole forms a limit edge matched with one of the three protruding structures, so that the nut cannot rotate relative to the first hole.

2. The fastening structure according to claim 1, further comprising:

3. The fastening structure of claim 1, wherein a length of one of the three raised structures is greater than a length of the remaining two of the three raised structures.

4. The fastening structure of claim 1, wherein three of said raised structures are of equal length, said first plane being disposed obliquely relative to said first surface.

5. A fastening structure, characterized by comprising: a threaded fastener and a nut that mate with each other, wherein the nut has a first planar surface that extends outwardly in an axial direction of the nut to form at least three raised structures;

6. The fastening structure according to claim 5, further comprising:

7. The fastening structure according to claim 5, wherein the positioning portion is an elongated positioning rib.

8. The fastening structure according to claim 7, wherein a plurality of the positioning ribs are arranged radially.

9. The fastening structure according to claim 7 or 8, wherein the second connecting member has a second connecting member plane attached to the first plane, and the second connecting member plane is provided with a plurality of grooves, and the positioning ribs are formed between every two adjacent grooves.

10. A fastening construction according to claim 1 or 5, comprising two of said nuts arranged opposite each other with a resilient member arranged therebetween, said projection arrangements of both said nuts being each arranged outwardly.

11. The fastening structure according to claim 1 or 5, wherein the nut includes a nut body and a nut boss connected to the nut body, a surface of the nut boss providing the first plane.