CN217582746U

CN217582746U - Hidden connecting piece

Info

Publication number: CN217582746U
Application number: CN202220623499.1U
Authority: CN
Inventors: 佘建国; 徐超; 李林; 姜瑞锋
Original assignee: Shanghai Xiangda Industrial Aluminum Profile Co ltd
Current assignee: Shanghai Xiangda Industrial Aluminum Profile Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-10-14
Anticipated expiration: 2032-03-21

Abstract

The application discloses hide connecting piece is suitable for two sections aluminium alloy of vertical connection, the side of aluminium alloy is provided with the T type groove that runs through along its axial, the notch width in T type groove is less than its inside width. The concealed connecting member includes at least one fastener and an insert. The fastener is limited in one aluminum profile along the groove direction of the T-shaped groove. The embedding piece is embedded into the T-shaped groove of the other aluminum section bar, the embedding piece is provided with at least one connecting hole, the connecting hole is matched with the fastening piece, when the fastening piece is connected into the connecting hole, the fastening piece is matched with the embedding piece, and the two aluminum section bars are vertically connected. The utility model discloses fastener and embedding piece are all hidden in the aluminium alloy, can avoid the external environment to influence the joint strength of fastener and embedding piece, guarantee that the aluminium alloy is stable to be connected.

Description

Hidden connecting piece

Technical Field

The utility model relates to a fastener technical field specifically is for hiding the connecting piece.

Background

The aluminum profile is formed by extrusion. Because of the superior properties of high hardness, light density and the like of the aluminum profile, the aluminum profile is widely applied. For example, industrial aluminum profiles, automobile part aluminum profiles, medical equipment aluminum profiles, and architectural aluminum profiles. Aluminum profiles are often used in buildings for roofs, wall surfaces, doors and windows, interior and exterior decoration and the like.

Aluminum profiles often encounter corner splicing problems during use. When the aluminum profiles are connected in a cross mode or in a right-angle mode, the two sections of aluminum profiles need to be connected through the connecting piece, the existing aluminum profile connecting piece is usually exposed outside the aluminum profiles, the connecting piece is easily affected by the external environment, the strength of the connecting piece for connecting the aluminum profiles at the two ends is reduced, the strength of the two sections of aluminum profiles after connection is affected, and the strength of the two sections of aluminum profiles after connection is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model has the advantages of an advantage of providing and hiding the connecting piece, wherein the embedding piece is embedded into an aluminium alloy, and wherein the fastener is hidden to the T type inslot of another aluminium alloy, through the cooperation of embedding piece and fastener, can realize the perpendicular connection of two aluminium alloys, and both all hide in the aluminium alloy, can avoid the joint strength of external environment influence fastener and embedding piece, guarantee the aluminium alloy and stably connect.

The utility model has the advantages of an advantage of providing and hiding the connecting piece, wherein auxiliary member and fastener cooperate, can increase the area of contact of fastener and aluminium alloy through the auxiliary member, guarantee that the fastener is with aluminium alloy stable connection.

An advantage of the utility model is that a hidden connecting piece is provided, wherein the embedding piece is set to half circular, and the embedding piece can be installed to the inside of aluminium alloy fast, the operation of two aluminium alloys of being convenient for when connecting.

For reaching the utility model discloses above at least one advantage, the utility model provides a hide the connecting piece, be suitable for two sections aluminium alloy of vertical connection, the side of aluminium alloy is provided with the T type groove that runs through along its axial, the notch width in T type groove is less than its inside width, hide the connecting piece and include:

at least one fastener, the fastener is limited in one of the aluminum profiles along the groove direction of the T-shaped groove; and

the embedded part is embedded into the T-shaped groove of the other aluminum profile, at least one connecting hole is formed in the embedded part, the connecting hole is matched with the fastening piece, and when the fastening piece is connected into the connecting hole, the fastening piece is matched with the embedded part to vertically connect the two aluminum profiles.

According to the utility model discloses an embodiment, the fastener includes a cooperation portion and a connecting portion, the external diameter of cooperation portion is greater than the external diameter of connecting portion, connecting portion set up in cooperation portion, with two when the aluminium alloy is connected perpendicularly, the cooperation portion is located the inside of aluminium alloy, connecting portion are connected to the connecting hole.

According to an embodiment of the invention, the fastening element is embodied as a bolt, the head of the bolt being the mating portion, the threaded shank of the bolt being the connecting portion;

the connection holes are embodied as threaded holes.

According to an embodiment of the present invention, the number of the connection holes is implemented as two;

the number of the fasteners is two, and the two fasteners are correspondingly distributed in the T-shaped grooves on the two opposite sides of the aluminum section.

According to the utility model discloses an embodiment, the fastener still includes an auxiliary member, the auxiliary member is pegged graft perpendicularly and is installed the fastener the aluminium alloy, the auxiliary member is provided with an at least through-hole, the through-hole is suitable for connecting portion pass, with connecting portion with when the connecting hole is connected, the auxiliary member can block the cooperation portion passes through.

According to the utility model discloses an embodiment, the auxiliary member is implemented for cylinder panel, the aluminium alloy seted up with the cylinder hole of cylinder panel looks adaptation.

According to the utility model discloses an embodiment, the auxiliary member is implemented for rectangle panel, the aluminium alloy seted up with the rectangular hole of rectangle panel looks adaptation.

According to any one of the above embodiments, the insert is semi-cylindrical in shape, and the thickness of the cross section of the insert is matched with the width of the notch of the T-shaped groove.

According to the utility model discloses an embodiment, the embedding part includes a fixed block and an at least elastic component, the appearance of fixed block is half circular, at least one has been seted up on the plane of fixed block the connecting hole, the position that the thickness of fixed block is the biggest is provided with an at least mounting hole, the elastic component set up in the mounting hole.

According to the utility model discloses an embodiment, the elastic component includes a spring and a steel ball, the steel ball set up in the one end of spring, the other end of spring set up in the diapire of mounting hole.

Drawings

Fig. 1 shows a schematic structural diagram of the hidden connecting piece of the present invention.

Fig. 2 shows the schematic structural view of the embedded part installed to the aluminum profile in the hidden connecting part of the present invention.

Fig. 3 shows the schematic structural diagram of the auxiliary member inserted into the aluminum profile in the concealed connecting member of the present invention.

Fig. 4 shows the perspective view of two aluminum profiles connected by the hidden connecting piece of the present invention.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 4, a hidden connector according to a preferred embodiment of the present invention will be described in detail below. The hidden connecting piece is particularly a sectional material hidden connecting piece and is particularly suitable for vertically and stably connecting two sections of aluminum sectional materials. The concealed connection comprises an insert 10 and at least one fastener 20.

Two sections the side of aluminium alloy is provided with the T type groove that runs through along its axial, the notch width in T type groove is less than its inside width, is suitable for insert 10 is followed the both ends in T type groove get into T type groove.

The fasteners 20 are arranged in one of the aluminium profiles along the groove direction of the T-shaped groove. The insert 10 is inserted into the T-shaped groove of another aluminum profile, so that the insert 10 can only move along the groove direction of the T-shaped groove and cannot move in other directions, and the insert 10 is provided with at least one connecting hole 101. The connecting hole 101 is adapted to the fastening member 20, and when the insert 10 is inserted into the T-shaped groove of one of the aluminum profiles, the connecting hole 101 faces the other aluminum profile.

Two the aluminium alloy mutually perpendicular places to make be provided with fastener 20 the terminal surface laminating of aluminium alloy is in be provided with embedding 10 the side of aluminium alloy. At this time, the fastening member 20 and the insert 10 are engaged, wherein one end of the fastening member 20 is positioned in the aluminum profile and the other end of the fastening member 20 is coupled to the coupling hole 101 of the insert 10. The two aluminum profiles are connected together through the matching of the fastener 20 and the insert 10, so that the purpose of connecting the two aluminum profiles is achieved. Wherein the embedding piece 10 with the fastener 20 all is located the inside of aluminium alloy to reach and hide purpose between them, can guarantee that both ends aluminium alloy is after long-time the use, still can stably connect.

Specifically, the fastener 20 is restricted in the T type groove of aluminium alloy, the aluminium alloy in T type groove department is provided with blocks the face, block the face and make fastener 20 can' T pass through completely the T type groove, consequently, when fastener 20 with when T type groove is connected, two the aluminium alloy is also fixed together correspondingly.

The fastener 20 includes a mating portion 21 and a connecting portion 22. The outer diameter of the fitting portion 21 is larger than that of the connecting portion 22. The fitting part 21 is located inside the aluminum profile, one end of the connecting part 22 is disposed at the fitting part 21, and the other end of the connecting part 22 is connected to the connecting hole 101 of the insert 10. The fitting part 21 is blocked by the blocking surface, so that the fastener 20 cannot completely pass through the aluminum profile, and the purpose of limiting the fastener 20 is achieved.

Preferably, the number of the fastening members 20 is two, and two fastening members 20 are correspondingly distributed in the T-shaped grooves on two opposite sides of the aluminum profile. Correspondingly, the insert 10 is provided with two connecting holes 101, and the two connecting holes 101 are distributed side by side along the groove direction of the T-shaped groove. Specifically, two when fastener 20 with insert 10 cooperates, two cooperation portion 21 distribute in relatively the aluminium alloy both sides the inside in T type groove, two connecting portion 22 passes one the aluminium alloy extends to another the aluminium alloy the T type inslot two of insert 10 in the connecting hole 101, realize two at last the purpose that the aluminium alloy is connected.

It should be noted that the number of the fastening elements 20 is preferably two, and two fastening elements 20 are correspondingly disposed in the T-shaped grooves on both sides of the same aluminum profile, so that two fastening elements 20 can be hidden in the aluminum profile at high temperature. In addition, the connecting holes 101 of the insert 10 are correspondingly distributed along the groove direction of the T-shaped groove side by side, so that when the fastening element 20 is matched with the insert 10, the fastening element 20 is not exposed outside the aluminum profile.

Further preferably, the fastening element 20 is embodied as a screw. The head of the bolt is the fitting portion 21, and the threaded rod of the bolt is the connecting portion 22. Correspondingly, the connection hole 101 is implemented as a threaded hole. When the bolt with during the embedded part 10 threaded connection, the head of bolt is located in the T type inslot block the face, the threaded rod of bolt extends to in the screwed hole, reach two the purpose that the aluminium alloy is connected.

The fastener 20 also includes an auxiliary member 23. The auxiliary member 23 is provided to the aluminum profile to which the fastening member 20 is attached, and the auxiliary member 23 is inserted into the aluminum profile in a direction perpendicular to the connecting member 22. The auxiliary member 23 is provided with at least one through hole 2301. The through hole 2301 is adapted to pass the connecting portion 22 but not the fitting portion 21. The upper surface of the auxiliary member 23 is the blocking surface. The blocking surface blocks the fitting part 21 from passing through the aluminum profile. It should be noted that the auxiliary member 23 can increase the contact area between the mating member 21 and the aluminum profiles, so that the fastener 20 can stably connect the two aluminum profiles.

The auxiliary element 23 is embodied as a cylindrical sheet. Correspondingly, the aluminum section bar is provided with corresponding round holes for accommodating the cylinders. Adopt the cylinder inserts the inside of aluminium alloy can guarantee the intensity of auxiliary 23 self to guarantee two fastener 20 can be two steadily the aluminium alloy is connected.

The auxiliary element 23 can also be embodied as a rectangular plate. Correspondingly, a corresponding rectangular hole is formed in the aluminum profile and used for accommodating the rectangular plate. When the connecting portion 22 and the insert 10 are engaged, the engaging portion 21 abuts against the rectangular plate, so that the fastener 20 can connect two aluminum profiles together, and the rectangular plate can stably increase the contact area between the rectangular plate and the aluminum profiles, thereby ensuring that the two aluminum profiles are stably connected together. In addition, the auxiliary member 23 is configured as a rectangular plate material, and can be quickly inserted into the interior of the aluminum profile, so that the fastener 20 can be conveniently inserted into the interior of the rectangular plate material, the operation of the fastener 20 during connection can be conveniently performed, and the two aluminum profile quick connections can be realized.

The existing elastic nut block can only slide in from two ends of a T-shaped groove of an aluminum profile. When the elastic nut block needs to be installed in the middle of the aluminum profile, the elastic nut block needs to slide a long distance in the aluminum profile, and therefore the installation of the elastic nut block takes a long time.

The outer shape of the embedded part 10 is semi-cylindrical, and the thickness of the cross section of the embedded part 10 is matched with the width of the notch of the T-shaped groove. The insert 10 has a semicircular end face, a circular side face and a planar side face, and the connection hole 101 is provided in the planar side face. The plane side of the insert 10 is inclined first, so that the semi-cylindrical insert 10 can be transversely inserted into the T-shaped groove, thereby solving the problem that the insert 10 can only be installed at two ends of the aluminum profile, and facilitating the installation of the insert 10 by an operator. In addition, the flat side faces the notch of the T-shaped groove after the insert 10 is installed.

Specifically, the insert 10 is directly installed in the T-shaped groove, as shown in fig. 3, one side of the insert 10 is inserted into the T-shaped groove, the insert 10 is rotated on the T-shaped groove by a certain angle, and the insert 10 located outside the T-shaped groove is pressed, so that the insert 10 can smoothly enter the T-shaped groove.

The insert 10 includes a fixing block 11 and at least one elastic member 12. The fixed block 11 has a semi-cylindrical shape. At least one connecting hole 101 is formed in the plane side of the fixing block 11. The most protruding part of the arc side of the fixed block 11 is provided with at least one mounting hole, namely the part with the largest thickness of the fixed block 11. The elastic member 12 is disposed in the mounting hole, when the elastic member 12 does not receive an external force, the elastic member 12 protrudes from the surface of the arc surface, and when the elastic member 12 receives an external force, the elastic member 12 can be compressed into the mounting hole. When the embedded part 10 is located inside the T-shaped groove, the elastic part 12 abuts against the inner wall of the T-shaped groove, so that the plane side of the fixing block 11 abuts against the inner wall of the T-shaped groove, and the purpose of preventing the embedded part 10 from moving randomly is achieved. Because the position of the embedded part 10 is in the initial fixed state, the connection of the connecting part of the fastener 20 and the connecting hole 101 is convenient for the connection of the two sections of aluminum profiles.

It should be noted that the elastic component 12 can make the plane side of the embedded component 10 is fitted to the inner wall of the T-shaped groove, which can prevent the arc edge of the arc side of the fixed block 11 from contacting the notch of the T-shaped groove, which can prevent the fixed block 11 from sliding out of the notch of the T-shaped groove, and improve the stability of the fixed block 11 in the T-shaped groove.

More specifically, the elastic member 12 includes a spring and a steel ball 121. The steel ball 121 is disposed at one end of the spring, and the other end of the spring is disposed at the bottom wall of the mounting hole. The steel balls 121 partially protrude out of the outer surface of the fixing block 11. When the insert 10 is located inside the T-shaped groove, the steel ball 121 abuts against the inner wall of the T-shaped groove and pushes the planar side surface of the fixing block 11 to contact with the inner wall of the T-shaped groove.

The detailed installation process for vertically connecting the two aluminum profiles is as follows. Firstly, the embedding part 10 is embedded into the T-shaped groove of one aluminum section, the plane side face of the embedding part 10 is close to the notch of the T-shaped groove, then the auxiliary part 23 is vertically inserted into the other aluminum section, the axial center line of the through hole 2301 in the auxiliary part 23 is parallel to the groove direction of the T-shaped groove, then the fastening part 20 is inserted into the through hole 2301, and the fastening part 20 is connected with the embedding part 10, so that the two aluminum sections are vertically connected. Adopt hide the connecting piece, can make two aluminium alloy form right angle connection or T connection fast.

It will be understood by those skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The advantages of the present invention are complete and effective. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. Hide the connecting piece, be suitable for two sections aluminium alloy of vertical connection, the side of aluminium alloy is provided with the T type groove that runs through along its axial, the notch width in T type groove is less than its inside width, its characterized in that, hide the connecting piece and include:

2. The concealed connecting member according to claim 1, wherein the fastening member includes a fitting portion and a connecting portion, the fitting portion has an outer diameter larger than that of the connecting portion, the connecting portion is provided at the fitting portion so that when two aluminum profiles are vertically connected, the fitting portion is located inside the aluminum profiles, and the connecting portion is connected to the connecting hole.

3. The concealed connection according to claim 2, wherein the fastener is implemented as a bolt, the head of the bolt is the mating portion, and the shaft of the bolt is the connecting portion;

the connection holes are embodied as threaded holes.

4. The concealed connecting member according to claim 3, wherein the number of the connecting holes is implemented as two;

5. The concealed connecting member according to claim 2, wherein the fastening member further comprises an auxiliary member, the auxiliary member is vertically inserted into the aluminum profile on which the fastening member is mounted, the auxiliary member is provided with at least one through hole, the through hole is suitable for the connecting portion to pass through, so that when the connecting portion is connected with the connecting hole, the auxiliary member can block the matching portion from passing through.

6. The concealed connection element according to claim 5, wherein said auxiliary element is embodied as a cylindrical plate, and said aluminum profile is provided with a cylindrical hole adapted to said cylindrical plate.

7. The concealed connecting member according to claim 5, wherein the auxiliary member is implemented as a rectangular plate, and the aluminum profile is formed with a rectangular hole adapted to the rectangular plate.

8. The concealed connection according to any one of claims 1 to 7, wherein the insert is semi-cylindrical in shape, and the thickness of the cross-section of the insert is adapted to the width of the notch of the T-shaped groove.

9. The hidden connector as claimed in claim 8, wherein the embedded member comprises a fixing block and at least one elastic member, the fixing block is semicircular, the fixing block has at least one connecting hole on a plane thereof, the fixing block has at least one mounting hole at a portion with a maximum thickness, and the elastic member is disposed in the mounting hole.

10. The concealed connection according to claim 9, wherein said resilient member comprises a spring and a steel ball, said steel ball being disposed at one end of said spring, the other end of said spring being disposed at the bottom wall of said mounting hole.