CN210659790U - Connecting piece - Google Patents

Abstract

The utility model relates to a connecting piece for the section bar is connected. The connecting piece consists of a fixed main body and a connecting part which is rotatably jointed with the fixed main body; wherein, connecting portion have the joint portion that is used for connecting fixedly at the one end of keeping away from fixed main part. The utility model discloses a connecting piece can be used to being of section bar angle connection, can directly connect at hookup location, need not long distance slip, need not to demolish other section bars that have connected on the target section bar for convenient, swift field installation.

Description

Connecting piece

Technical Field

The utility model belongs to door and window section bar field, in particular to a novel connection structure that is used for aluminium alloy, plastic steel section bar etc..

Background

The section bar is widely applied to the fields of modern buildings, decoration and the like. During the finishing or construction process, the demand for firm, safe and convenient connecting parts is very large. In particular, in decoration, besides the requirements on firmness and safety, convenient connection, easy and flexible operation are important consideration standards of connecting pieces. In cities, more demands for modern decoration besides new house decoration are mainly the renovation of old houses and second-hand houses, and the problems caused by the situation are also generated as follows: no elevator handling difficulties; the narrow corridor is more difficult to transport large building materials, so that the building materials arriving at the site are required to be scattered as much as possible; however, the installation space is narrow, so that the assembly of the building material with zero scattering is difficult, and the building material is assembled within the range of the size of the final product as much as possible.

In addition, in the decoration process, the problems of connection errors or field adaptability change of the prefabricated section bars exist. Often, the whole day of the project cannot be carried out due to the factory connection error of one beam column, and the beam column must be returned to the factory, or at worst, the beam column must be transported to the open ground again (for example, the beam column is transported from the building to the open place below the building through manpower or is hung to the open place below the building through pulleys) for reassembly, and then the beam column is transported to the building again and is installed on site. The waste of manpower and material resources is very serious, and the opinion of the user is very large.

Specifically, for example, the connecting members (or corner connectors) of the frames (beam columns) for aluminum doors and windows (or plastic-steel profile doors and windows) are generally transported and carried after three sides (except the uppermost beam) of the frame are assembled in a factory, and finally, the beam columns installed between the three sides are "capped" on site. When the corridor is narrow, the elevator is narrow and the window area is large, not only is the transportation difficult, but also the transportation needs to be suspended upstairs by means of pulleys, cranes and the like, so that the cost is increased and certain danger exists. The existing connecting piece is generally a rectangular piece, one end of which is immersed in a section cavity of a beam column to be installed/connected, and the other end of which is clamped in a T-shaped groove through two bulges matched with the T-shaped groove reserved on the section of the frame column/cross beam, wherein the bulges are embedded into the T-shaped groove from the open end of the frame column, clamped with the T-shaped groove at an angle, slide downwards to a required position, and then are fastened at the position through mechanisms such as screws and the like. Such connectors are not problematic from a safety and security standpoint, but require field installation space that must be greater than the window area since the beam to be connected must be snapped into place at the open end of the target beam and slid into the desired position, which is very disadvantageous to the need to replace only large windows such as french windows. Further, there are cases where factory configuration is wrong or temporary adjustment is required on site, so that the connecting beam column above the portion to be replaced (upper opening) needs to be completely removed and completely reconnected, which is time-consuming, labor-consuming, and poor in flexibility.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned connection problem that exists at present in the field, the utility model provides a novel connecting piece of nimble connection section bar beam column. The connecting piece (also called an angle connector or a section bar connecting angle connector) can be used for angle connection of section bars, can be directly connected at a connecting position, does not need to slide for a long distance, does not need to dismantle other connected section bars on a target section bar, and is used for convenient and quick field installation.

Specifically, the present invention provides a connector comprising a fixed body and a connecting portion rotatably engaged with the fixed body; wherein, the connecting part is provided with a clamping part for connecting and fixing at one end (far end) far away from the fixing main body.

The connecting part comprises two arms which are in mirror symmetry, the two arms are arranged oppositely and can rotate in a certain range relative to the fixing body respectively. Preferably, the two arms are provided separate from each other, or flexibly connected (e.g., via a spring or two grooves as described below). That is, the distal ends of the two arms have snap-in portions for connection fixation. The width of the widest part of the outer part of the connection formed by the two arms is equal to the width of the fixing body, so that both arms can tightly abut against the inner wall of the accommodating cavity of the section bar to be connected.

Preferably, the two arms comprise on their opposite faces counter-teeth for retaining the screws. After the two arms are clamped with the groove of the target profile through the clamping parts, the relative positions of the two arms are fixed by directly receiving and keeping screws through the reverse teeth so as to keep the connection (clamping connection) of the connecting piece (the clamping parts of the connecting piece) and the target profile.

Further, the connecting portion further comprises a spring, and the spring (with two ends respectively) connects the opposite faces of the two arms. The spring can keep the relative position of the two arms within a reasonable range (when not in use, the two arms are kept at the positions where the longitudinal axes of the two arms are parallel to each other), and after the clamping part is clamped with the groove of the target profile, the connecting piece can be initially fixedly connected with the target profile through resilience force.

Wherein the rotatable engagement of the fixing body with the connecting portion may be achieved by a projection and a recess of the engagement which are form-fit to each other. Preferably, the protrusion is spherical or cylindrical (i.e., the groove is hollow spherical or cylindrical in shape). The opening portion of the groove has a diameter smaller than that of the spherical or cylindrical shape of the projection to prevent the projection from coming out of the groove. Meanwhile, the thickness of the arm to which the lower end of the projection is connected (or the thickness of the arm of the fixing body) is smaller than the above-mentioned diameter of the projection and slightly smaller than the diameter of the opening portion of the groove, so that the arm can rotate (swing) with respect to the groove (with respect to the fixing body), or the arm of the fixing body with respect to the connecting portion. Wherein the angle of rotation may be 0 to ± 60 ° (preferably 0 to ± 45 °, more preferably 0 to ± 30 °, most preferably 0 to ± 15 °).

Preferably, the projection is preferably provided at the engagement end of the arm. The projections may also be provided at the engaging ends of the fixing body (engaging ends of the arms of the fixing body) so that grooves are provided at the engaging ends of the two arms, and such grooves may collide with each other when moving relative to each other, and the flexibility of the connector is somewhat reduced.

Further, the clamping portion is preferably a protrusion which protrudes outward from the distal end of the back surface of the opposite surfaces of the two arms, and the protrusion is tightly abutted with the target slot by fixing the relative positions of the two arms after being respectively clamped into the target slot to be fixedly connected. For vertical connection of the profiles, the projections are positioned uniformly in the thickness direction of the connecting piece (or the arms), i.e. the arms are not of equal length, not varying in the thickness direction; however, for some non-right angle connections, the protrusion may also be angled in the thickness direction (the desired connection angle) with respect to the fixing body, i.e. the arms are not equally long in the thickness direction, but are angled in the thickness direction (the desired connection angle).

Wherein the distal end of the fixing body has a hole for receiving a screw for fastening the connecting piece to the profile to be connected. Preferably, the hole may receive a socket head cap screw, or alternatively, may receive a conventional screw or nut.

Utilize the utility model discloses a method that two section bars (crossbeam and stand) are connected to the connecting piece angle does: firstly, immersing a fixed main body part into a hollow cavity of a section bar (such as a cross beam) to be connected (generally, the longitudinal section of a connecting piece is basically equal to the section of the hollow cavity of the section bar so that the connecting piece is just placed in a way of being matched with the hollow cavity); by utilizing the characteristic that the two arms can move or rotate relative to each other and relative to the fixed main body, after the protrusions (clamping parts) at the far ends of the two arms are respectively clamped into clamping grooves (for example, T-shaped grooves) of a target section bar (for example, an upright post) by respectively rotating the two arms, the clamping parts and the target section bar are relatively fixed under the action of the springs; subsequently, the connecting portion (two arms) is also sunk into the profile to be connected until the profile to be connected and the target profile come into angular abutting contact with each other, and screws are respectively inserted at the reverse teeth and the screw holes of the fixing body (the corresponding positions of the profile to be connected have corresponding holes for the insertion of the screws) to fix the connection of the two profiles.

The utility model provides a novel connecting piece is to for example novel connection structure in the aluminium door and window trade, adopts the utility model discloses a section bar door and window frame's of connecting piece connection, installation are more convenient. The utility model discloses a connecting piece makes the section bar generally need not to assemble in the factory, the on-the-spot installation place demand is little, solves the major possession transportation problem after the equipment and the problem that the scene is local and short. The utility model discloses a mode that the connecting piece adopted the roof pressure makes it expand fixedly by oneself about, and efficiency is higher, convenient the dismantlement. In addition, because the beam column can be disassembled and assembled in situ, other beam columns in the frame structure do not need to be completely disassembled and assembled again. Furthermore, due to the clamping mode of top pressure intervention, each end part can be respectively installed, multiple people are not required to be matched, clamped and slid, and single-person assembly can be realized. During actual construction, if workers do not carefully mount the screws reversely, only wrong partial screws are loosened and translated out, the main frame does not need to be disassembled, and then the screws are correctly translated in a jacking mode.

And simultaneously, the utility model discloses a connecting piece has solved traditional structure installation and has fixed on the wall after, and the customer just must demolish whole remounting if changing original molding structure, and the utility model discloses a fast-assembling connection angle sign indicating number is under the condition that does not destroy main frame and wall body, also not demolish, removes the center pillar at will and changes according to the customer's demand.

Drawings

Fig. 1 is a schematic cross-sectional view (top view) of a connector according to the present invention.

Wherein, 1, the main body is fixed; 2, a connecting part; 3, an arm; 4, screw holes; 5, a groove; 6 a convex part; 7, reverse teeth; 8, a spring; 9 a clamping part.

Detailed Description

To facilitate the understanding of the present invention by those skilled in the art, the present invention will now be described in detail with reference to the accompanying drawings:

a connecting piece (also called a quick-assembly corner connector) is used for vertically connecting an aluminum alloy section cross beam (a section to be connected) to a vertical column (a target section).

Specifically, as shown in fig. 1, the connector includes a fixing body 1 and a connecting portion 2 rotatably engaged with the fixing body;

the far end of the fixing body 1 is provided with a screw hole for fixing the cross beam and the connecting piece 1; the proximal end of the fixing body 1 has two juxtaposed grooves 5 for receiving two lugs 6, respectively;

the connecting part 2 comprises two mirror-symmetrical arms 3, the shape of the arm 3 in this example being an inverted "arch" shape (the other arm 3 being mirror-symmetrical thereto) depending on the particular profile dimensions. The far end is a bulge of the clamping part 9 which protrudes outwards; for better resilience, the spring 8 is generally arranged between two opposite surfaces which are formed by inward shrinkage casting and outward bulge again along the clamping part 9 of the arm 3 (so that the width of the widest part of the outer part of the connecting part 2 formed by the two arms is equal to the width of the fixing body 1); the spring 8 is interchangeable with the arrangement of the counter-teeth 7 on the arm 3, in this case the arm with the counter-teeth is located between the projection 6 and the spring 8 in order to fit a set screw with a diameter of about 4mm, and the arm here is again retracted inwards with respect to the spring 8 (so that the spacing between the counter-teeth is about 3.5mm), the projections 6 of the two fitting recesses 5 being located at the proximal ends of the arms.

When not in use, the spring 8 keeps the two arms 3 in a position where the longitudinal axes are parallel to each other, and the width of the opening of the groove 5 is smaller than the diameter of the cylindrical protrusion 6 and slightly larger than the thickness of the arm 3 connected with the protrusion 6, so that the arm 3 can rotate/swing in the groove 5 within the range of about 0 to +/-30 degrees.

When in use, firstly, the fixing main body 1 is immersed into the hollow cavity (accommodating cavity) of the beam; placing the cross beam on one side of the upright, and swinging the two arms 3 to the upright side to align the upright; the outer sides of the arms 3 (the protruding positions of the springs 8) are pinched to enable the far-end clamping portions 9 of the two arms 3 to be close to each other, the clamping portions 9 are respectively placed into clamping grooves of the stand column, hands are loosened, and the clamping portions 9 and the clamping grooves are relatively fixed under the action of the springs; subsequently, the beam is pushed, immersing the two arms 3 in the beam as well, until the beam and the upright are in angular (e.g. 90 °) contact against each other, embedding screws respectively at the opposite teeth 7 and at the screw holes 4 of the fixing body 1 through the corresponding holes in the beam, to fix the connection of the two profiles.

The connectors of the present application are all arranged in the same cross-section in the thickness direction and are therefore not shown.

Furthermore, it should be understood that although the present specification describes embodiments in detail, not every embodiment contains only a single technical solution, and such description is for the sake of clarity only, and those skilled in the art should make the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (8)

1. A connector, characterized in that it is composed of a fixing body and a connecting portion rotatably engaged with the fixing body; the connecting part is provided with a clamping part for connecting and fixing at one end far away from the fixing main body; wherein the connecting portion comprises two arms which are mirror-symmetrical, the two arms are oppositely arranged and can rotate relative to the fixing body respectively.

2. A connection piece according to claim 1, wherein both said arms further comprise opposing teeth on their opposing faces for retaining a screw.

3. A connection piece according to claim 1, wherein the rotatable engagement of the fixing body with the connection portion is achieved by a projection and a recess of the engagement form fit with each other.

4. A connection piece according to claim 3, wherein said projections are spherical or cylindrical.

5. The connecting piece according to claim 1, wherein the engaging portion is a protrusion extending outward from a distal end of a back surface of the opposing surfaces of the two arms, and the protrusion is engaged with the target engaging groove to be firmly engaged with the target engaging groove by fixing the opposing positions of the two arms.

6. A connection piece according to claim 3, wherein said projections are provided at the engaging end of said arms.

7. A connection piece according to any of claims 1 to 6, wherein said connection part further comprises a spring connecting the opposed faces of the two arms.

8. A connection piece according to any of claims 1 to 6, wherein the distal end of the fixing body has a hole for receiving a screw.

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