Expansion corner brace

Abstract

The utility model provides an expansion corner connector which comprises a first corner connector block, a second corner connector block and a hollow screw, and the first corner connector block and the second corner connector block are respectively provided with an installation half hole. The installation half holes of the first corner connector block and the second corner connector block form installation holes for installation of the hollow screws when the first corner connector block and the second corner connector block are oppositely combined, a glue blocking structure is further arranged between the first corner connector block and the second corner connector block, and glue injection channels communicated with the installation holes are formed in the positions, corresponding to the installation holes, of the glue blocking structure. The glue blocking structure is arranged between the first corner connector block and the second corner connector block and is matched with the hollow screw for glue injection, glue liquid waste caused by the fact that glue liquid leaks into the expansion corner connector cavity can be reduced, and due to the arrangement of the glue injection channel and the glue injection guide groove, glue injection precision can be improved, glue using cost can be reduced, and waste can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to door and window accessory technical field especially relates to an expansion corner code. BACKGROUND

[0002] In architecture, the corner code is the hardware of connecting 90 degree right angle intersecting components, and the type and form of the corner code and the material category are determined according to the stress of the connected component, and the corner code is often used in decoration engineering and furniture assembly.

[0003] At present, the existing expansion corner code when using, expansion corner code has glue injection hole and glue injection groove, through the glue injection hole injection, glue flows to the expansion corner code and the section bar between glue injection groove and makes the expansion corner code and the section bar reach the matching connection, but when injecting glue to the glue injection hole, the glue is easy to flow out, resulting in the great loss of glue, causing the waste of glue, increase the material cost, and the glue injection precision is also poor, can not reach the perfect combination of expansion corner code and section bar, bring great inconvenience to the user. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of expansion corner codes capable of improving glue injection precision, with firm connection, good reliability, easy operation, the advantages of improving the overall performance of expansion corner code.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An expansion corner code comprises a first corner block, a second corner block and a hollow screw, the first corner block and the second corner block are each provided with a mounting half-hole, the mounting half-holes of the first corner block and the second corner block form a mounting hole for mounting the hollow screw when the first corner block and the second corner block are closed, and a glue blocking structure is further provided between the first corner block and the second corner block, the glue blocking structure is provided with a glue injection channel communicating with the mounting hole at the mounting hole.

[0007] Further provided: the first corner block and the second corner block each include a horizontal insertion part and a vertical insertion part arranged perpendicularly to each other, and the horizontal insertion part and the vertical insertion part of each corner block are each provided with a mounting half-hole.

[0008] Further provided: the first corner block and the second corner block are provided with a glue injection flow guide groove between the horizontal insertion part and the vertical insertion part, and the glue injection flow guide groove is arranged on the opposite outer side surfaces of the first corner block and the second corner block.

[0009] Further provided: the first corner block, the second corner block and the glue blocking structure are each provided with a through hole for a connecting steel needle to pass through to connect the three into a whole.

[0010] Further provided: the through hole is provided with a group of through holes in the horizontal insertion part and the vertical insertion part of the corner block.

[0011] Further arrangement: the glue injection channel of the glue blocking structure is provided with a connecting hole near the end of the mounting hole of the corner block for inserting and cooperating with the hollow screw.

[0012] Further arrangement: the glue blocking structure comprises glue blocking sheets on the two sides respectively tightly cooperating with the first corner block and the second corner block.

[0013] Further arrangement: the glue blocking sheets are arranged in a "┑" type structure or two linear structures.

[0014] Further arrangement: the first corner block and the second corner block are each provided with a weight-reducing hole.

[0015] Further arrangement: the side of the glue blocking structure abutting against the corner block is provided with a positioning block embedded in the weight-reducing hole, and the outer contour of the positioning block is matched with the hole type of the weight-reducing hole.

[0016] Compared with the prior art, the scheme of the utility model has the following advantages:

[0017] 1. In the expansion corner block, the glue blocking structure is arranged between the first corner block and the second corner block, and the hollow screw is used for glue injection, so that the waste of glue caused by the leakage of glue into the expansion corner block cavity can be reduced, the glue injection channel and the glue injection guide groove can improve the glue injection precision, reduce the glue cost, and avoid waste.

[0018] 2. In the expansion corner block, the glue blocking structure can not only provide a glue injection channel to improve the glue injection effect, but also can be used for positioning and connecting the first corner block and the second corner block, so that the dislocation of the first corner block and the second corner block during the installation of the hollow screw and the glue injection can be avoided, and the stability of the expansion corner block and the profile connection can be ensured.

[0019] The additional aspects and advantages of the utility model will be partially given in the following description, which will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and / or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of embodiments taken in conjunction with the accompanying drawings, in which:

[0021] Fig. 1 It is a structural schematic view of one embodiment of the expansion corner block of the utility model;

[0022] Fig. 2 It is an expansion corner block structure explosion view of the expansion corner block of the utility model in which the glue blocking structure is arranged as an integral structure;

[0023] Fig. 3 The blocking glue structure of the expansion angle code is a split structure, and an explosion view of the expansion angle code structure is shown in an embodiment of the expansion angle code of the utility model;

[0024] Fig. 4 The blocking glue structure of the expansion angle code is a split structure, and an explosion view of the expansion angle code structure is shown in an embodiment of the expansion angle code of the utility model; DETAILED DESCRIPTION

[0025] Embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be interpreted as a limitation on the utility model.

[0026] Those skilled in the art can understand that "the" and "that" used herein can also include plural forms unless specifically stated. It should be further understood that the wording "comprising" used in the specification of the utility model means that the features, parts and / or components exist, but does not exclude other features, parts, components and / or their combinations supported by the technical field from being implemented. The term "and / or" used herein means at least one of the items defined by the term, for example, "A and / or B" can be implemented as "A", or as "B", or as "A and B".

[0027] In the description of the utility model, the directions or position relationships indicated by the words "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are exemplary directions or position relationships shown based on the drawings, and are used for convenience or simplification of the description of the embodiments of the utility model, and are not intended to indicate or imply that the devices or components indicated must have a particular orientation, or be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] The terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the communication.

[0030] In the description of the present specification, the specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable way.

[0031] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model embodiment will be described in detail below.

[0032] The utility model provides a kind of expansion angle code, please combine Figs. 1 to 4 It includes first angle code block 11, second angle code block 12 and hollow screw 2, the structure of first angle code block 11 and second angle code block 12 is same and can be closed to form angle code body, and first angle code block 11 and second angle code block 12 are equipped with installation half-hole 131, installation half-hole 131 on first angle code block 11 and second angle code block 12 forms installation hole 13 for the installation of hollow screw 2 when first angle code block 11 and second angle code block 12 are closed. Meanwhile, between first angle code block 11 and second angle code block 12 is equipped with glue blocking structure 3, glue blocking structure 3 is equipped with glue injection channel 31 that is communicated with installation hole 13 at installation hole 13, so that hollow screw 2 can be glued through the glue injection channel 31 of glue blocking structure 3, to prevent glue liquid to leak to the other position of angle code block, reduce the waste of glue liquid, and can shorten glue injection time.

[0033] Specifically, the first angle code block 11 and the second angle code block 12 of the utility model each include a horizontal insertion part and a vertical insertion part arranged perpendicular to each other, and each of the horizontal insertion part and the vertical insertion part of each angle code block is provided with an installation half-hole 131. Furthermore, each of the first angle code block 11, the second angle code block 12, and the glue blocking structure 3 is provided with a through hole 14, and when the first angle code block 11, the second angle code block 12, and the glue blocking structure 3 are closed, the through holes 14 of the three are located on the same axis, so that a connecting steel needle 4 is arranged in the through hole 14 to connect the first angle code block 11, the second angle code block 12, and the glue blocking structure 3 to form a whole. The through hole 14 is provided with a group of through holes corresponding to the horizontal insertion part and the vertical insertion part of each angle code block of the expansion angle code, so that the two ends of the expansion angle code can be fixed, thereby improving the stability of the overall structure of the expansion angle code.

[0034] When the hollow screw 2 is screwed into the mounting hole 13, the first corner code block 11 and the second corner code block 12 are expanded outwardly, so that the first corner code block 11 and the second corner code block 12 are tightly attached to the inner wall of the profile, the connection strength of the profile and the expansion corner code is ensured, and then the glue solution is injected from the hollow screw 2 through the glue injection channel 31. The glue solution can be injected after the expansion corner code and the profile are installed through the hollow screw 2, so that the operation is convenient, and the waterproofness of the expansion corner code and the connected profile is improved.

[0035] Further, the glue injection channel 31 of the glue blocking structure 3 is provided with a connecting hole 32 near the end of the mounting hole 13 of the expansion corner code, so that the hollow screw 2 is connected with the glue blocking structure 3, and the middle channel of the hollow screw 2 can be directly connected with the glue injection channel 31 of the glue blocking structure 3, so as to further reduce the leakage of the glue solution and improve the glue injection efficiency.

[0036] In addition, the glue injection guide groove 15 is arranged between the first corner code block 11 and the second corner code block 12 located between the horizontal insertion part and the vertical insertion part, and the glue injection guide groove 15 is arranged on the opposite outer side of the first corner code block 11 and the second corner code block 12, so that the glue injection can also be carried out through the glue injection guide groove 15 on the outer side of the expansion corner code, and the glue injection efficiency is improved.

[0037] In the embodiment, the glue blocking structure 3 is provided as a glue blocking sheet tightly attached to the first corner code block 11 and the second corner code block 12 on both sides, so that the expansion corner code can be well sealed to prevent the glue solution from leaking into the cavity of the expansion corner code. The glue blocking sheet can be provided as an integral structure or a split structure, and can be provided as a "┑" type structure in a right angle shape or as two mutually perpendicular one-piece structures to adapt to different installation requirements.

[0038] The first corner code block 11 and the second corner code block 12 are provided with a weight reduction hole 16, and the weight reduction hole 16 can reduce the weight of the corner code block and reduce the production cost. Meanwhile, the positioning block 33 which can be embedded in the weight reduction hole 16 is arranged on the side surface of the glue blocking structure 3 abutting against the corner code block, and the outer contour of the positioning block 33 is matched with the hole type of the weight reduction hole 16. The glue blocking structure 3 can be positioned and connected with the corner code block through the positioning block 33 and the weight reduction hole, so that the first corner code block 11 and the second corner code block 12 are correctly positioned, the dislocation of the first corner code block 11 and the second corner code block 12 in the subsequent installation of the hollow screw 2 or the glue injection process is avoided, the stability of the overall structure of the expansion corner code is improved, and the installation is convenient.

[0039] Further, the positioning block 33 of the embodiment is provided with a ring structure extending along the hole inner profile of the lightening hole 16, which can position the lightening hole 16 while reducing the weight of the positioning block 33, so as to reduce the weight of the glue blocking structure 3 and further reduce the production cost.

[0040] In conclusion, the expansion corner brace of the utility model sets the glue blocking structure 3 between two corner blocks, and cooperates with the hollow screw 2 to inject glue, which can reduce the waste of glue caused by glue leakage into the expansion corner brace cavity, and the setting of the glue injection channel 31 and the glue injection guide groove can improve the glue injection precision, reduce the glue cost, and avoid waste.

[0041] In addition to providing the glue injection channel 31 to improve the glue injection effect, the glue blocking structure 3 can also position and connect the first corner block 11 and the second corner block 12, avoid misplacement of the first corner block 11 and the second corner block 12 during installation of the hollow screw 2 and glue injection, and ensure the stability of the expansion corner brace and the profile connection.

[0042] In addition, the expansion corner brace of the utility model can first install the corner block body formed by connecting the first corner block 11, the second corner block 12 and the glue blocking structure 3 into the profile, and then screw the hollow screw 2 into the installation hole 13 to realize the connection between the expansion corner brace and the profile, and the worker can conveniently inject glue into the glue injection channel 31 of the expansion corner brace through the hollow screw 2, which is convenient to operate and can also facilitate the worker to observe the glue injection condition in real time.

[0043] The above is only an embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. An expansion corner, characterized in that, The application relates to a first corner code block, a second corner code block and a hollow screw, wherein the first corner code block and the second corner code block are provided with mounting half-holes, the mounting half-holes of the first corner code block and the second corner code block form a mounting hole for mounting the hollow screw when the first corner code block and the second corner code block are closed, and a glue-blocking structure is further arranged between the first corner code block and the second corner code block, wherein the glue-blocking structure is provided with glue injection channels which are communicated with the mounting hole.

2. The expansion corner key of claim 1, wherein, The first corner code block and the second corner code block each comprise a transverse insertion part and a vertical insertion part which are arranged perpendicularly to each other, and the transverse insertion part and the vertical insertion part of each corner code block are provided with mounting half-holes.

3. The expansion corner key of claim 2, wherein, The first corner code block and the second corner code block are provided with glue injection guide grooves between the transverse insertion part and the vertical insertion part, and the glue injection guide grooves are arranged on the opposite outer sides of the first corner code block and the second corner code block.

4. The expansion angle bracket of claim 2, wherein, The first corner code block, the second corner code block and the glue-blocking structure are each provided with a through hole through which a connecting steel needle is inserted to connect the three into a whole.

5. The expansion corner key of claim 4, wherein, The through hole is arranged in a group on the transverse insertion part and the vertical insertion part of the corner code block.

6. The expansion angle bracket of claim 1, wherein, The end of the glue injection channel of the glue-blocking structure which is close to the mounting hole of the corner code block is provided with a connecting hole for inserting and matching the hollow screw.

7. The expansion angle bracket of claim 1 wherein, The glue-blocking structure comprises two glue-blocking sheets which are tightly matched with the first corner code block and the second corner code block respectively.

8. The expansion corner key of claim 7, wherein, The glue-blocking sheet is arranged in a type structure or two one-letter type structures.

9. The expansion angle bracket of claim 1 wherein, The first corner code block and the second corner code block are each provided with a weight-reducing hole.

10. The expansion angle code of claim 9, wherein, The side of the glue-blocking structure which abuts against the corner code block is provided with a positioning block which is embedded in the weight-reducing hole, and the outer contour of the positioning block is matched with the hole type of the weight-reducing hole.

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