CN217028642U - Linear tensioning corner fastener structure special for nail-free type screen window - Google Patents

Abstract

The utility model provides a special linear tensioning corner connector structure for a nail-free type screen window, which is characterized by comprising a screen frame, a pressing groove, a tensioning channel, corner connectors and corner pieces, wherein the pressing groove and the tensioning channel are respectively formed in the screen frame; the tight groove that rises is seted up in the position apart from angle sign indicating number edge 1.5mm, its inside injection moulding has the tight shell fragment that rises rather than the adaptation, and the length of the tight shell fragment that rises is half of the tight groove that rises, make the area of contact and the elasticity of the tight shell fragment that rises and passageway lateral wall reach the biggest that rises, make the purpose that forms line contact between the tight shell fragment that rises and the passageway, the tight shell fragment that rises extends to the tight inslot that rises outside through self rise tight with the passageway go up the lateral wall and the lower lateral wall extrusion of contact respectively, this kind of design has increased the ascending restriction of X axle direction on the basis that the yarn frame removed current angle sign indicating number restriction Y axle direction, further reached the effect of stopping, the stability of yarn frame connection has been improved.

Description

Linear tensioning corner fastener structure special for nail-free type screen window

Technical Field

The utility model relates to the technical field of screen windows, in particular to a special linear tensioning corner fastener structure for a nail-free screen window.

Background

The screen window has the functions of wind prevention, dust prevention, insect prevention and the like, so that the screen window becomes a necessary accessory of a modern house, the screen window can be divided into aluminum alloy and plastic materials according to the materials, wherein the screen window made of the plastic materials is accepted and used by the majority of users due to low price, but the screen window is easy to have obvious aesthetic problems such as yellowing on the surface after long-term use, and the material of the screen window is very easy to damage under long-term wind blowing and sunshine, which obviously cannot meet the requirements of people pursuing the quality of life, so that the screen window which is durable in use, not easy to damage in appearance, namely beautiful and excellent in quality is urgently needed; therefore, the screen window is made of aluminum alloy materials in the prior art, but the quality requirement of people on the screen window can only be met, the specific reason is that because the screen window is usually formed by splicing four screen frames correspondingly, when the screen window is manufactured, workers often adopt a fixing mechanism consisting of corner connectors and rivets to splice and fix the screen window, but a premise still exists when splicing and fixing is carried out, namely, a sizing hole needs to be manually formed on the side wall of the corresponding yarn frame in a punching mode of a punch, namely the mounting hole, then the position of the mounting hole on the corner connector is measured manually, after these steps have been performed, the screen can be fixed and installed by using the corner connectors and the rivets, which, although enables the splicing and fixing of the screen, at the same time, the installation mode easily causes the edge angle of the screen window to reduce the aesthetic degree of the screen window due to the protruding of the obvious rivet;

therefore, the prior art further improves the method, the angle connectors with the L-shaped cross section and the angle pieces with the U-shaped side walls and the reeds are adopted to jointly act to complete the assembly of the screen frames, when in assembly, the angle connectors are inserted into the channels inside two adjacent screen frames, the angle connectors made of the plastic materials are completely filled into the channels inside the screen frames, the window screen is laid on the screen frames, the angle pieces are placed in the pressure grooves for positioning, the assembly of the adjacent screen frames is realized, the screen frames can limit the movement in the Y-axis direction, but the upper plane and the lower plane of the angle connectors are only connected with the channels of the screen frames through friction force, when the force is greater than the friction force between the angle connectors and the screen frames, namely the angle connectors slide with the screen frames, so that the limit in the X-axis direction is lacked, the screen frames assembled through the angle pieces and the angle connectors are easy to loosen, the connection stability is poor, and the arranged L-shaped angle connectors can limit the rotation in the Z-axis direction, the twisting can not be limited, the window screen connected with the unstable screen frame can not be smoothly installed, and the practicability is poor.

Disclosure of Invention

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the special linear tensioning corner brace structure for the nail-free type screen window is characterized by comprising a screen frame, a pressing groove, a tensioning channel, corner braces and corner pieces, wherein the pressing groove and the tensioning channel are respectively formed in the screen frame;

the angle brace comprises a backstop brace, lightening holes, tensioning grooves, tensioning elastic sheets and steel sheets, wherein the backstop brace is installed in a tensioning channel between adjacent yarn frames, the upper plane and the lower plane of the backstop brace are respectively provided with the tensioning grooves, the tensioning elastic sheets are injected in the tensioning grooves and are in contact connection with the upper side wall and the lower side wall of the tensioning channel, the inner plane of the backstop brace is provided with the lightening holes, and the outer plane of the backstop brace is of a concave structure; a steel sheet is arranged inside the tensioning elastic sheet;

furthermore, the section of the backstop code is of an L-shaped structure;

further, the distance between the tensioning groove and the edge of the backstop code is 1.5 mm;

furthermore, the tension elastic sheet comprises an elastic sheet bottom plate and two inclined elastic sheets, the elastic sheet bottom plate is installed at the bottom of the tension groove in an injection molding mode, the inclined elastic sheets are transversely arranged at the top of the elastic sheet bottom plate, and the length of each inclined elastic sheet is 1/2 of the tension groove;

furthermore, the number of the lightening holes is N, and N is more than or equal to 2;

the corner piece comprises a pressing frame and a reed, and the reed is arranged on the outer side wall of the pressing frame;

furthermore, the pressing frame is of an L-shaped structure;

furthermore, the pressing frame is made of metal;

further, the reed is of a W-shaped structure.

The beneficial effects of the utility model are as follows:

the utility model relates to a special linear tensioning corner brace structure for a nail-free screen window, which is novel in design and simple in structure, wherein tensioning grooves are respectively formed in the upper plane and the lower plane of a backstop brace, the tensioning grooves are formed in positions 1.5mm away from the edge of the corner brace, tensioning elastic sheets matched with the tensioning grooves are injected into the tensioning grooves, the length of each tensioning elastic sheet is half of that of each tensioning groove, so that the contact area and the elasticity of each tensioning elastic sheet and the side wall of a channel are maximized, the tensioning elastic sheets and the channel are in linear contact, the tensioning elastic sheets extend to the outer sides of the tensioning grooves and are respectively in contact extrusion with the upper side wall and the lower side wall of the channel through self tensioning, the limitation in the X-axis direction is increased on the basis that the yarn frame limits the movement of the conventional corner brace in the Y-axis direction, even if external force is applied, the corner brace cannot move in the X-axis direction under the tensioning effect of the tensioning elastic sheets, the corner brace can not be withdrawn from the channel of the yarn frame, the retaining effect is further achieved, and the connection stability of the yarn frame is improved;

the utility model is a special linear tensioning angle code structure for a nail-free type screen window, the angle piece with the reed is arranged on the side wall of the angle piece made of metal, the reed is arranged on the side wall of the angle piece, the angle piece with the reed and a backstop angle code are used together, the angle piece is arranged in a pressing groove through the reed tensioning to position the window screen on the basis of the existing X, Y axial direction movement, so that the window screen surface is fixed to be smoother, the metal angle piece strengthens the whole pressing strip, the window screen is further fixed to be more stable, and the backstop angle code and the pressing strip are matched for use in the design, so that the utility model not only can move in the existing X, Y, Z axial direction, but also can limit twisting to ensure the stable assembly of a screen frame and the smooth positioning of the window screen;

the nail-free linear tensioning corner brace structure special for the screen window has the advantages that the nail-free linear tensioning corner brace structure can be used as a reinforcing rib by filling the steel sheets, so that the nail-free linear tensioning corner brace structure has a reinforcing function, has higher hardness and better integral strength compared with the corner brace structure in the prior art, cannot deform, is firmer and easier to assemble when being assembled with a section bar, and ensures the stability of the assembly of a screen frame;

the utility model relates to a special linear tensioning corner fastener structure for a nail-free screen window, wherein an outer plane is designed to be a concave structure, and a plurality of lightening holes are formed in an inner plane.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of the corner brace structure of the present invention assembled with a reel;

FIG. 2 is a perspective view of the present invention without the tension spring plate;

FIG. 3 is a cross-sectional view of the backstop code of the present invention with a steel sheet disposed therein;

FIG. 4 is a schematic view of the overall structure of the present invention;

FIG. 5 is a schematic view of the inside of the reel provided with a tension channel;

FIG. 6 is a schematic view of the structure of the tension spring plate of the present invention;

FIG. 7 is a schematic view of the installation of the pressing frame and the spring plate according to the present invention.

As shown in the figure, 1-backstop code, 10-lightening hole, 11-tensioning groove, 12-tensioning elastic sheet, 13-steel sheet, 2-angle sheet, 20-pressing frame, 21-spring sheet, 3-yarn frame, 30-tensioning channel and 31-pressing groove.

Detailed Description

Example 1

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The special linear tensioning corner brace structure for the nail-free type screen window is characterized by comprising a screen frame 3, a pressing groove 31, tensioning channels 30, corner braces and corner pieces 2, wherein the pressing groove 31 and the tensioning channels 30 are respectively formed in the screen frame 3, the corner braces are installed in the tensioning channels 30 between the adjacent screen frames 3, and the corner pieces 2 are arranged in the pressing grooves 31 of the adjacent screen frames 3;

the corner connector comprises a retaining connector 1, lightening holes 10, tensioning grooves 11, tensioning elastic sheets 12 and steel sheets 13, wherein the retaining connector 1 is installed in a tensioning channel 30 between adjacent yarn frames 3, the tensioning grooves 11 are respectively formed in the upper plane and the lower plane of the retaining connector 1, the tensioning elastic sheets 12 are injected into the tensioning grooves 11, the tensioning elastic sheets 12 are in contact connection with the upper side wall and the lower side wall of the tensioning channel 30, the lightening holes 10 are formed in the inner plane of the retaining connector 1, and the outer plane of the retaining connector 1 is of a concave structure; a steel sheet 13 is arranged inside the tension elastic sheet 12;

furthermore, the section of the backstop code 1 is of an L-shaped structure;

further, the distance between the tensioning groove 11 and the edge of the backstop code 1 is 1.5 mm;

furthermore, the tensioning elastic sheet 12 comprises an elastic sheet bottom plate and two inclined elastic sheets, the elastic sheet bottom plate is installed at the bottom of the tensioning groove 11 in an injection molding mode, the inclined elastic sheets are transversely arranged at the top of the elastic sheet bottom plate, and the length of each inclined elastic sheet is 1/2 of the tensioning groove 11;

furthermore, the number of the lightening holes 10 is N, wherein N is more than or equal to 2;

the corner piece 2 comprises a pressing frame 20 and a reed 21, and the reed 21 is arranged on the outer side wall of the pressing frame 20;

further, the pressing frame 20 is of an L-shaped structure;

further, the pressing frame 20 is made of metal;

further, the reed 21 has a W-shaped configuration.

Example 2

In a specific using process, firstly, the yarn frames 3 with the same size are selected and used, then, the two ends of the retaining code 1 made of the plastic material in the application are respectively inserted into the tensioning channels 30 between the adjacent yarn frames 3, in the inserting process, the tensioning reed 21 is extruded when contacting with the inner side walls of the tensioning channels 30 and gradually shrinks towards the inside of the tensioning groove 11, and meanwhile, the tensioning reed 21 reversely acts on the inner side walls of the tensioning channels 30 by utilizing the force of the tensioning reed for restoring the elastic deformation, so that the clamping effect is gradually realized, meanwhile, the corner code made of the plastic material further ensures the connection firmness of the corner code by utilizing the friction force generated between the corner code and the inner side walls of the tensioning channels 30, and the clamping effect of the tensioning reed 21 is further effectively improved; then laying the window screening, manually pressing the angle sheet 2 into the pressing groove 31 by a worker, tensioning the reed 21 to contact with the inner side wall of the pressing groove 31 to press the window screening tightly, cutting redundant window screening when the situation that the window screening is in a tight state after being pressed tightly is confirmed, and finally buckling a buckle cover;

the upper plane and the lower plane of the backstop code 1 are respectively provided with the tensioning grooves 11, the tensioning grooves 11 are arranged at a position 1.5mm away from the edge of the corner code, the tensioning elastic pieces 12 matched with the tensioning elastic pieces are injected in the tensioning grooves 11, the length of each tensioning elastic piece 12 is half of that of each tensioning groove 11, so that the contact area and the elastic force between each tensioning elastic piece 12 and the side wall of the channel are maximized, the tensioning elastic pieces 12 are in line contact with the channel, meanwhile, the tensioning elastic pieces 12 extend to the outer sides of the tensioning grooves 11 and are respectively in contact extrusion with the upper side wall and the lower side wall of the channel through self tensioning, the design increases the limitation in the X-axis direction on the basis that the yarn frame 3 limits the movement in the Y-axis direction, even if external force is applied, the corner code cannot move in the X-axis direction under the tensioning effect of the tensioning elastic pieces 12, and cannot retreat from the channel of the yarn frame 3, the backstop effect is further achieved, and the connection stability of the yarn frame 3 is improved;

metal material's fillet 2 and set up reed 21 at its lateral wall, this fillet 2 that has reed 21 uses jointly with the stopping angle sign indicating number, this application is on the basis that current X, Y axle direction moved, fillet 2 rises tightly through reed 21 and installs and fix a position the window screening in indent 31, make the window screening face fixed more level and more smooth, metal material's fillet 2 makes the layering wholly strengthened, it is further more stable to window screening is fixed, with this kind of design of stopping angle sign indicating number and layering cooperation use, this application not only can have X, Y, Z axle direction's removal, can also restrict the wrench movement, guarantee the stable equipment of reel 3 and the level and smooth location of window screening.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The special linear tensioning corner connector structure for the nail-free type screen window is characterized by comprising a screen frame, a pressing groove, tensioning channels, corner connectors and corner pieces, wherein the pressing groove and the tensioning channels are respectively formed in the screen frame, the corner connectors are installed in the tensioning channels between the adjacent screen frames, and the corner pieces are arranged in the pressing grooves of the adjacent screen frames;

the angle brace comprises a backstop brace, lightening holes, tensioning grooves, tensioning elastic sheets and steel sheets, wherein the backstop brace is installed in a tensioning channel between adjacent yarn frames, the upper plane and the lower plane of the backstop brace are respectively provided with the tensioning grooves, the tensioning elastic sheets are injected in the tensioning grooves and are in contact connection with the upper side wall and the lower side wall of the tensioning channel, the inner plane of the backstop brace is provided with the lightening holes, and the outer plane of the backstop brace is of a concave structure; a steel sheet is arranged inside the tensioning elastic sheet;

the corner piece comprises a pressing frame and a reed, and the reed is arranged on the outer side wall of the pressing frame.

2. The special linear tensioning angle bracket structure for the nail-free screen window according to claim 1, wherein the section of the backstop bracket is of an L-shaped structure.

3. The special linear tensioning corner brace structure for the nail-free type screen window according to claim 1, wherein the distance between the tensioning groove and the edge of the backstop brace is 1.5 mm.

4. The special linear tensioning angle code structure for the nail-free screen window according to claim 1, wherein the tensioning elastic sheet comprises an elastic sheet bottom plate and two inclined elastic sheets, the elastic sheet bottom plate is installed at the bottom of the tensioning groove in an injection molding manner, the inclined elastic sheets are transversely arranged at the top of the elastic sheet bottom plate, and the inclined elastic sheets are 1/2 of the tensioning groove in length.

5. The special linear tensioning corner brace structure for the nail-free type screen window according to claim 1, wherein the number of the lightening holes is N, wherein N is more than or equal to 2.

6. The special linear tension corner brace structure for nail-free type screen window according to claim 1, wherein the pressing frame is an L-shaped structure.

7. The special linear tension corner brace structure for nail-free type screen window according to claim 1, wherein the pressing frame is made of metal.

8. The special linear tensioning angle bracket structure for the nail-free screen window according to claim 1, wherein the reed is of a W-shaped structure.

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