CN212376279U

CN212376279U - Square buckle

Info

Publication number: CN212376279U
Application number: CN202020941512.9U
Authority: CN
Inventors: 彭珣
Original assignee: Suntown Technology Group Co Ltd
Current assignee: Suntown Technology Group Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-19
Anticipated expiration: 2030-05-29

Abstract

A square tube buckle comprises a main board and an inserting piece. The main board comprises a supporting board part, a first baffle part and a second baffle part, wherein the first baffle part is connected with the supporting board part and is provided with a first opening; the second baffle part is connected with the supporting plate part, the supporting plate part is positioned between the first baffle part and the second baffle part, and the second baffle part is provided with a second opening corresponding to the first opening; the inserted sheet is used for inserting first opening and second opening, one side of inserted sheet has interconnect's first limit and second limit, the opposite side of inserted sheet has the third limit, first limit and third limit parallel arrangement, when the inserted sheet inserts first opening and second opening, first limit and third limit are worn to locate first opening, the second opening is worn to locate by the second limit, the second limit is close to the one end point contact on second limit with the second opening, the third limit is close to the one end point contact on third limit with first opening, first limit and first baffle portion form and are used for an accommodating space.

Description

Square buckle

Technical Field

The application relates to building templates construction field especially relates to a square tube is detained.

Background

When the pull piece system formwork (such as an aluminum formwork) is installed, the aluminum formwork of the wall body is generally required to be pressed flat by means of a square tube so as to ensure the flatness of the poured wall.

The existing square tube buckle is fixedly connected with a template through a pin, and the square tube buckle usually comprises a main board and an inserting piece. The main board is provided with a connecting nail, and the insert is provided with an arc groove. During operation, the main board that the square tube was buckled hugs closely aluminium template side rib, constitutes the kinematic pair through the arc groove on connecting nail on the main board and the inserted sheet, through tightening the inserted sheet, makes the inserted sheet compress tightly the square tube to fasten two adjacent aluminium templates and square tube.

However, the arc groove on the insertion piece is easy to wear, so that the movement track of the insertion piece is greatly changed, the square tube buckle cannot be continuously clamped, and the service life of the square tube buckle is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a square tube buckle capable of effectively preventing the service life of the insert sheet from being shortened due to damage, so as to solve the above problems.

The utility model provides a square tube buckle, square tube buckle includes mainboard and inserted sheet. The main board comprises a supporting board part, a first baffle part and a second baffle part, the first baffle part is connected with the supporting board part, and the first baffle part is provided with a first opening; the second baffle part is connected with the supporting plate part, the supporting plate part is positioned between the first baffle part and the second baffle part, and the second baffle part is provided with a second opening corresponding to the first opening; the inserting piece is used for being inserted into the first opening and the second opening, one side of the inserting piece is provided with a first edge and a second edge which are connected with each other, the other side of the inserting piece is provided with a third edge, the first edge and the third edge are arranged in parallel, when the inserting piece is inserted into the first opening and the second opening, the first edge and the third edge penetrate through the first opening, the second edge penetrates through the second opening, the second edge and the second opening are close to one end point of the second edge to be in contact, the third edge and the first opening are close to one end point of the third edge to be in contact, and the first edge and the first baffle part form a containing space.

Further, an included angle between the first edge and the second edge is an obtuse angle.

Further, the first opening has a first point a and a second point B along the extending direction of the main plate, and the second opening has a third point C along the extending direction of the main plate; when the insert sheet is inserted into the first opening and the second opening, the first point A is close to the third edge, the second point B is close to the first edge, and the third point C is close to the second edge; and the projection of the third point C on the plane where the first opening is located between the first point A and the second point B.

Further, the inserting sheet is provided with a flat plate area, the flat plate area comprises the first edge, the second edge and the third edge, and the flat plate area comprises a first end and a second end which are oppositely arranged; when the inserting sheet is inserted into the first opening and the second opening, the first end protrudes from one side of the first opening far away from the second opening to the mainboard, and the second end protrudes from one side of the second opening far away from the first opening to the mainboard.

Further, the flat plate area further includes a fourth edge connected to the third edge, a connection point of the first edge and the second edge is defined as E, and a projection of the connection point E on the third edge or the fourth edge is defined as F, wherein a length of the line segment EF is smaller than a length of the line segment AB, and a length of the line segment EF is smaller than a length of the line segment CD.

Further, the projection of the connection point E on the flat area is located in a triangle formed by the first point a, the second point B and the third point C.

Further, the first side has at least one fifth point G, the second side has at least one sixth point H, a straight line passes through the fifth point G and intersects with the third side or the fourth side at G 'in the plane of the flat plate region, a straight line passes through the sixth point H and intersects with the third side or the fourth side at H', the fifth point G and the intersection point G 'form a line segment GG', the sixth point H and the intersection point H 'form a line segment HH', the line segment GG 'and the line segment HH' are both parallel to the line segment EF, the lengths of the line segment GG 'and the line segment HH' are both greater than the length of the first opening, and/or the lengths of the line segment GG 'and the line segment HH' are both greater than the length of the second opening.

Furthermore, the insertion piece comprises a first bending area and a second bending area, the first bending area is connected with the first end, and the second bending area is connected with the second end; the width of the first bending area and the width of the second bending area are both larger than the width of the first opening, and/or the width of the first bending area and the width of the second bending area are both larger than the width of the second opening.

Further, the inserted sheet has the arch, the arch set up in at least one surface in dull and stereotyped district, protruding width is greater than the width of first opening and/or the second opening.

Further, the inserted sheet still is provided with the breach, the breach by the second limit is located the part orientation of second end the fourth side is sunken to be formed.

Furthermore, the square buckle also comprises a fixing piece, and the main board also comprises a fixing board part connected with the supporting board part; the fixing plate part is provided with a mounting hole; the fixing piece penetrates through the mounting hole.

Further, one surface of the tray portion is recessed toward the other surface to form a dent.

According to the square tube buckle, the insertion piece with the special profile is designed and interacts with the first opening and the second opening on the main board, so that the surface tightly attached to the square tube is always kept vertical when the insertion piece moves up and down in a certain range, the fastening mode of the insertion piece and the main board is changed, the wear resistance of the square tube buckle is improved, and the service life of the square tube buckle is prolonged; in addition, the square tube buckle can also be suitable for square tubes of different sizes, even if the size of the square tube has large deviation, the insert can be still ensured to be fully attached to the square tube, the square tube is smoothly fastened, and the compatibility is strong.

Drawings

Fig. 1 is a schematic structural diagram of a square buckle according to an embodiment of the present application.

Fig. 2 is a front view of the square tube buckle shown in fig. 1 after the square tube and the template are fixed.

Fig. 3 is a schematic structural view of the main board of the square buckle shown in fig. 1.

Fig. 4 is a schematic structural view of the insert of the square buckle shown in fig. 1.

Fig. 5 is a schematic structural view of an insert sheet according to another embodiment.

Fig. 6 is a schematic structural view of the square tube buckle and the square tube and the template shown in fig. 1 in an assembling process.

Description of the main elements

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, a detailed description of the present application will be given below with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and the described embodiments are merely a subset of the embodiments of the present application, rather than all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes all and any combination of one or more of the associated listed items.

In various embodiments of the present application, for convenience in description and not limitation, the term "coupled" as used in the specification and claims of the present application is not limited to physical or mechanical connections, either direct or indirect. "upper", "lower", "above", "below", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 and 2, in the present embodiment, a square buckle 100 is provided, and when a pull tab system formwork 60 is installed, a square buckle 50 and a formwork 60 are fastened through the square buckle 100, so that the formwork 60 is pressed flat by the square buckle 50, and the flatness of a poured wall is ensured.

The square buckle 100 includes a main board 10, an insert 20 and a fixing member 30. The main board 10 is used for bearing the square tube 50, and simultaneously restraining the movement track of the insert 20 to ensure the fastening effect; the insert 20 is used for restraining the square tube 50, and the square tube 50 is tightly attached to the template 60 by utilizing a friction self-locking principle; the fixing member 30 is used to fix the main board 10 to the form 60 and also used to connect two adjacent forms 60.

When the square tube buckle 100 fastens the square tube 50 and the template 60, the square tube buckle 100 and the template 60 are fixed by the fixing member 30, the insert 20 is inserted into the main board 10, at this time, the insert 20 is movable relative to the main board 10 along the insertion direction, the insert 20 is disposed at a distance from the template 60, the main board 10 and the insert 20 together form an accommodating space 40, the square tube 50 is located in the accommodating space 40, and then pressure (for example, hammering) is applied to the insert 20 along the insertion direction, so as to fasten the square tube 50 and the template 60.

Referring to fig. 3, the main plate 10 includes a first baffle portion 12, a second baffle portion 14 and a supporting portion 15, wherein the supporting portion 15 is located between the first baffle portion 12 and the second baffle portion 14. The main board 10 can be formed by one-step stamping, the processing is simple, a large number of welding processes and the like are omitted, and the manufacturing cost is effectively reduced.

The first baffle portion 12 and the second baffle portion 14 have included angles with the supporting plate portion 15, and the first baffle portion 12 and the second baffle portion 14 are located on the same side of the supporting plate portion 15. In this embodiment, an included angle between the first baffle portion 12 and the supporting plate portion 15 is 90 °, an included angle between the second baffle portion 14 and the supporting plate portion 15 is 90 °, that is, the first baffle portion 12 and the second baffle portion 14 are both perpendicular to the supporting plate portion 15. The surface of the first baffle portion 12 away from the second baffle portion 14 is used for bearing the square tube 50.

The first baffle portion 12 is provided with a first opening 122, the second baffle portion 14 is provided with a second opening 142, and the first opening 122 and the second opening 142 are used for the insertion sheet 20 to penetrate through the main board 10 and limit the insertion sheet 20.

Specifically, as shown in fig. 2, along the extending direction of the first baffle portion 12, the first opening 122 has a first point a and a second point B, where the first point a is an end point of the first opening 122 far from the square tube 50, and the second point B is an end point of the first opening 122 close to the square tube 50; along the extending direction of the second baffle portion 14, the second opening 142 has a third point C and a fourth point D, where the third point C is an end point of the second opening 142 close to the square tube 50, and the fourth point D is an end point of the second opening 142 far from the square tube 50. Wherein the first point A, the second point B, the third point C and the fourth point D are all in the same plane Q; when the insert sheet 20 is inserted into the first opening 122 and the second opening 142 to fasten the square tube 50, the first point a and the third point C contact with the insert sheet 20. The projection of the third point C on the plane where the first opening 122 is located needs to be located between the first point a and the second point B, which can ensure that when the insertion sheet 20 moves along the insertion direction, one side of the insertion sheet 20 is perpendicular to the line segment AB, so that the square tube 50 is disposed on the first baffle portion 12, and the place where the square tube 50 contacts with the insertion sheet 20 is surface contact, not point contact.

It is understood that the length of the line segment AB is the length of the first opening 122, and the length of the line segment CD is the length of the second opening 142.

Referring to fig. 4, the insert 20 is substantially a block shape with a thin middle portion and two wide ends, the insert 20 has a plate area 22, the plate area 22 includes a first end 24 and a second end 26, and the first end 24 and the second end 26 are opposite ends of the plate area 22. The insert 20 is inserted into the main board 10 from the first opening 122 and the second opening 142, the first end 24 protrudes from the side of the first opening 122 away from the second opening 142 to the main board 10, and the second end 26 protrudes from the side of the second opening 142 away from the first opening 122 to the main board 10, so that the insert 20 can be movably disposed in the main board 10.

The flat plate region 22 has a first edge 221, a second edge 222, a third edge 223 and a fourth edge 224, wherein the first edge 221 and the second edge 222 are located on a side of the insert sheet 20 adjacent to the square tube 50, and the first edge 221 and the second edge 222 are connected; the third side 223 and the fourth side 224 are located on the side of the inserting sheet 20 away from the square tube 50, and the third side 223 is connected with the fourth side 224.

Referring to fig. 2, a connection point of the first side 221 and the second side 222 is E, a projection of the connection point E on the third side 223 or the fourth side 224 is F, that is, a shortest distance from the connection point E to the third side 223 and the fourth side 224 is a length of a line segment EF, the length of the line segment EF is smaller than that of the line segment AB, and the length of the line segment EF is smaller than that of the line segment CD, so that the insert 20 can move after being inserted into the first opening 122 and the second opening 142, thereby fastening the square tube 50.

An included angle between the first side 221 and the second side 222 is an obtuse angle, an included angle between the third side 223 and the fourth side 224 is not limited, and the second side 222 and the third side 223 are arranged in parallel. Before the inserting sheet 20 is not knocked, the first edge 221 is abutted with one surface of the square tube 50, one point on the third edge 223 is contacted with the first point A, and one point on the second edge 222 is contacted with the third point C; when the inserting sheet 20 is knocked, the inserting sheet 20 is further displaced towards the square tube 50, and because the second edge 222 and the third edge 223 are arranged in parallel, the second edge 222 and the third edge 223 are displaced towards the square tube 50 by the same distance, so that the square tube 50 is fastened and further fastened; in addition, even if the flat plate region 22 is worn in multiple use processes, the parallel structure design of the second edge 222 and the third edge 223 of the insert piece 20 reserves enough wear space for the insert piece 20, and the square buckle 100 can be used for multiple times, so that the service life of the square buckle 100 is not shortened due to the wear of the insert piece 20; meanwhile, the square buckle 100 can also be suitable for square buckles 50 with different sizes.

Referring to fig. 2 again, further, a projection of the connection point E on the plane Q is located in a triangle surrounded by the first point a, the second point B, and the third point C, so that during hammering the insert sheet 20 to fasten the square tube 50, the first edge 221 is perpendicular to the line segment AB, and the plane where the first edge 221 is located is in contact with the square tube 50, so as to increase a contact area between the insert sheet 20 and the square tube 50.

The insert sheet 20 is further provided with a first bending area 242 and a second bending area 262, and the first bending area 242 and the second bending area 262 can prevent the insert sheet 20 from being separated from the main board 10.

Specifically, the insert sheet 20 is provided with a first bending area 242 and a second bending area 262, the first bending area 242 and the second bending area 262 are respectively disposed at two ends of the flat plate area 22, the first bending area 242 is disposed at the first end 24, the second bending area 262 is disposed at the second end 26, the second bending area 262 and the second bending area 262 are bent toward the same direction, the width of the first bending area 242 and the width of the second bending area 262 are both greater than the width of the first opening 122, and/or the width of the first bending area 242 and the width of the second bending area 262 are both greater than the width of the second opening 142, and the direction of the width is perpendicular to the direction of the support plate portion 15. The insert sheet 20 is inserted into the main board 10, the first bending region 242 protrudes from one side of the first opening 122 away from the second opening 142 to the main board 10, the second bending region 262 protrudes from one side of the second opening 142 away from the first opening 122 to the main board 10, and the arrangement of the first bending region 242 and the second bending region 262 can prevent the insert sheet 20 from being lost. It is understood that in other embodiments, the second bending region 262 and the second bending region 262 may also be bent in opposite directions.

Referring to fig. 5, in another embodiment, a protrusion 28 may be disposed on the insert 20 to prevent the insert 20 from being lost. The number of the projections 28 is one or more, and in the present embodiment, the number of the projections 28 is two.

Specifically, two of the protrusions 28 are located at the first end 24 and the second end 26 of the plate region 22, and the other protrusion 28 is disposed on the same surface of the plate region 22. The width of both of the protrusions 28 is greater than the width of the first opening 122, and/or the width of both of the protrusions 28 is greater than the width of the second opening 142. It will be appreciated that in other embodiments, two of the projections 28 may be provided on opposite surfaces of the plate region 22. When the number of the protrusions 28 is one, the protrusions 28 are located on one surface of the flat plate region 22 and between the first opening 122 and the second opening 142.

In yet another embodiment, the tab 20 may be prevented from being lost by limiting the length of the first opening 122 and/or the second opening 142 and the size of the tab 20.

Referring to fig. 2 again, specifically, the first edge 221 has at least a fifth point G, the second edge 222 has at least a sixth point H, a straight line in the plane of the flat area 22 intersects the third side 223 or the fourth side 224 at G' through the fifth point G, in the plane of the flat area 22, a straight line passes through the sixth point H and intersects with the third side 223 or the fourth side 224 at H ', the fifth point G and the intersection point G ' form a line segment GG ', the sixth point H and the intersection point H ' form a line segment HH ', the line segment GG ' and the line segment HH ' are both parallel to the line segment EF, and the lengths of the line segments GG 'and HH' are both greater than the length of the first opening 122, and/or the lengths of the line segments GG 'and HH' are both greater than the length of the second opening 142, that is, the lengths of the line segments GG 'and HH' are greater than the lengths of the line segments AB and/or CD.

Referring to fig. 6, further, the inserting sheet 20 is further provided with a notch 27, and the notch 27 is formed by a portion of the second edge 222 located at the second end 26 and recessed toward the fourth edge 224. When the inserting sheet 20 is inserted into the main board 10, one end of the notch 27 is close to the second opening 142, and the notch 27 is disposed to facilitate the inserting sheet 20 to be inclined when being inserted into the main board 10 without being limited by a third point C, so that the size of the accommodating space 40 is increased before the first baffle portion 12 for the square tube 50 to be more easily placed.

The main board 10 further includes a fixing plate portion 16, and the fixing plate portion 16 is connected to the supporting plate portion 15 and is located in the same plane as the supporting plate portion 15. The fixing plate portion 16 may be integrally formed with the tray plate portion 15. The fixing plate portion 16 is provided with a mounting hole 162, and the mounting hole 162 is used for mounting the fixing member 30.

The fixing member 30 may include a fastener 32 and an adapter (not shown). The fastener 32 and the adapter may be a pin and a pin plate, respectively, or a screw and a nut, respectively. In this embodiment, the fastening members 32 are pins, and the adaptor members are pins, the fastening members 32 are sequentially inserted through the mounting holes 162 and the form 60, and the adaptor members are inserted through the fastening members 32, so as to fix the main plate 10 and the form 60.

The main plate 10 is further provided with a dent 19, and the dent 19 is arranged on the supporting plate part 15. The tray portion 15 has a first surface 17 and a second surface 18 disposed opposite to the first surface 17, the dent 19 is recessed toward the second surface 18 at the first surface 17 of the tray portion 15, and the recessed portion is protruded at the second surface 18, thereby forming the dent 19. In another embodiment, the indentation 19 may also be formed by recessing the indentation 19 from the second surface 18 of the blade portion 15 toward the first surface 17. The indentations 19 may be used to increase the strength of the main board 10, preventing the main board 10 from deforming when carrying the square tube 50.

According to the square buckle 100 provided by the application, the insert 20 with a special profile is designed, and simultaneously interacts with the first opening 122 and the second opening 142 on the main board 10, so that the surface tightly attached to the square buckle 50 is always kept vertical when the insert 20 moves up and down within a certain range, the fastening mode of the insert 20 and the main board 10 is changed, the wear resistance of the square buckle 100 is improved, and the service life of the square buckle 100 is prolonged; in addition, the square tube buckle 100 can also be suitable for square tubes 50 of different sizes, even if the size of the square tube 50 has large deviation, the insert 20 can be still ensured to be fully attached to the square tube 50, the square tube 50 can be fastened smoothly, and the compatibility is strong.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. The utility model provides a square tube buckle which characterized in that, square tube buckle includes:

a motherboard, the motherboard comprising:

a tray portion;

the first baffle part is connected with the supporting plate part and is provided with a first opening; and

the second baffle part is connected with the supporting plate part, the supporting plate part is positioned between the first baffle part and the second baffle part, and the second baffle part is provided with a second opening corresponding to the first opening; and

the inserting piece is used for being inserted into the first opening and the second opening, one side of the inserting piece is provided with a first edge and a second edge which are connected with each other, the other side of the inserting piece is provided with a third edge, the first edge and the third edge are arranged in parallel, when the inserting piece is inserted into the first opening and the second opening, the first edge and the third edge penetrate through the first opening, the second edge penetrates through the second opening, the second edge and the second opening are close to one end point of the second edge to be in contact, the third edge and the first opening are close to one end point of the third edge to be in contact, and the first edge and the first baffle part form a containing space.

2. The square buckle of claim 1, wherein the angle between the first and second sides is an obtuse angle.

3. The square buckle as recited in claim 1, wherein the first opening has a first point a and a second point B along the extension direction of the main plate, and the second opening has a third point C along the extension direction of the main plate; when the insert sheet is inserted into the first opening and the second opening, the first point A is close to the third edge, the second point B is close to the first edge, and the third point C is close to the second edge;

and the projection of the third point C on the plane where the first opening is located between the first point A and the second point B.

4. A square buckle according to claim 3, wherein the tab has a plate region including the first, second and third edges, the plate region including first and second oppositely disposed ends; when the inserting sheet is inserted into the first opening and the second opening, the first end protrudes from one side of the first opening far away from the second opening to the mainboard, and the second end protrudes from one side of the second opening far away from the first opening to the mainboard.

5. The square buckle as recited in claim 4, wherein the plate area further comprises a fourth edge connected to the third edge, a connection point E between the first edge and the second edge is defined, and a projection of the connection point E on the third edge or the fourth edge is defined as F, wherein a length of the segment EF is less than a length of the segment AB and a length of the segment EF is less than a length of the segment CD.

6. The square buckle as recited in claim 5, wherein a projection of the connection point E on the flat area is located in a triangle defined by the first point A, the second point B and the third point C.

7. The square buckle as claimed in claim 6, wherein the first side has at least a fifth point G, the second side has at least a sixth point H, a straight line passing through the fifth point G and intersecting with the third or fourth side at G 'in the plane of the flat plate region, a straight line passing through the sixth point H and intersecting with the third or fourth side at H', a line segment GG 'formed by the fifth point G and the intersection point G', a line segment HH 'formed by the sixth point H and the intersection point H', a line segment GG 'and a line segment HH' both parallel to the line segment EF, a length of the line segment GG 'and a length of the line segment HH' both being greater than a length of the first opening, and/or a length of the line segment GG 'and a length of the line segment HH' both being greater than a length of the second opening.

8. The square buckle of claim 5, wherein the tab comprises a first fold region and a second fold region, the first fold region connecting the first end and the second fold region connecting the second end; the width of the first bending area and the width of the second bending area are both larger than the width of the first opening, and/or the width of the first bending area and the width of the second bending area are both larger than the width of the second opening.

9. The square buckle as recited in claim 5, wherein the tab has a protrusion disposed on at least one surface of the flat plate region, the protrusion having a width greater than a width of the first opening and/or the second opening.

10. The square buckle as claimed in claim 5, wherein the insert is further provided with a notch formed by a portion of the second edge at the second end being recessed toward the fourth edge.

11. The square buckle as recited in claim 1, further comprising a fastener, wherein the main plate further comprises a fastener plate portion connected to the retainer plate portion; the fixing plate part is provided with a mounting hole; the fixing piece penetrates through the mounting hole.

12. The square buckle as recited in claim 1, wherein one surface of the blade portion is recessed toward the other surface to form a dimple.