CN218881449U - Keel, splicing accessory and combined accessory - Google Patents

Abstract

The utility model relates to a fossil fragments, concatenation annex and combination annex. The keel comprises an equal-section extending structure, the equal-section extending structure comprises a keel base plate, a keel hook part, a first vertical bar and a second vertical bar, the keel hook part extends downwards from the first end of the width direction of the keel base plate, the first vertical bar extends downwards from the middle part of the width direction of the keel base plate, the second vertical bar extends downwards from the second end of the width direction of the keel base plate, a splicing groove is formed between the keel hook part and the first vertical bar, and a combined groove is formed between the first vertical bar and the second vertical bar. The splice attachment and the combination attachment are configured to mate with the keel. Based on the utility model provides a fossil fragments, concatenation annex and combined fitting are suitable for the bottom plate frame that makes up into the concatenation floor, can customize the size in a flexible way.

Description

Keel, splicing accessory and combined accessory

Technical Field

The utility model relates to a floor technical field especially relates to a modular structure of bottom plate on concatenation floor.

Background

The splicing floor generally comprises a bottom plate body and a buckling structure arranged at the edge of the bottom plate body, and the buckling structure enables adjacent splicing bottom plates to be spliced.

With the development of technology, and in consideration of comfort, service life and material cost, the structure of the splicing bottom plate gradually changes. The utility model discloses a make things convenient for combination formula floor that spreads as chinese patent utility model CN101881076A discloses, it includes square frame form bottom plate skeleton, function board and decorative board, and the function board is filled in the middle part of square frame form bottom plate skeleton, and the decorative board laminating is in the top of square frame form bottom plate skeleton and function board. In actual production, the square-frame-shaped bottom plate framework is made of engineering plastics, so that higher strength is provided, the buckling reliability is ensured, and the service life is prolonged; the functional board and the decorative board can adopt different materials according to actual needs so as to meet different adaptive scenes.

However, the prior art has problems that: for the square frame-shaped bottom plate framework in the prior art, the outer edge of the square frame-shaped bottom plate framework needs to be provided with the hook and the buckle for realizing the combination function, so the square frame-shaped bottom plate framework needs to be manufactured in an injection molding mode, the size of a product which can be produced by each mold is fixed due to the characteristics of an injection molding process, when products with different sizes need to be produced, different molds need to be replaced, the manufacturing cost of the molds is high, and the manufacturing cost of the products is high. CN101881076a recognizes the cost problem and designs the square bottom plate framework into the combined L-shaped framework unit, however, the whole process route still needs to be made by using a mold, and the L-shaped framework unit still needs to be opened by individually diversifying the mold according to the design requirement of the product size.

Due to the restriction of the factors, the spliced floor is single in size and only has a plurality of specifications, and the size cannot be customized individually, so that the development of the spliced floor is restricted.

For this reason, improvements are required to address the problems existing in the prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a fossil fragments, concatenation annex and combination annex aim at solving the problem that the concatenation floor can't carry out nimble design and individualized customization on the size.

(II) technical scheme

In order to reach the aforesaid purpose, the utility model provides a keel, for uniform cross section extending structure, it includes the fossil fragments base plate, fossil fragments hook portion, first vertical bar and second vertical bar, fossil fragments hook portion extends down from the first end of the width direction of fossil fragments base plate, first vertical bar extends down from the width direction middle part of fossil fragments base plate, the second vertical bar extends down from the width direction second end of fossil fragments base plate, form splice groove between fossil fragments hook portion and the first vertical bar, form the combination groove between first vertical bar and the second vertical bar.

Furthermore, the surface of the keel hook part facing the first vertical strip forms a first hooking working surface.

Furthermore, a position of the keel base plate close to the first hooking working surface of the keel hook part is provided with an avoiding groove.

Furthermore, the surface of the first vertical bar facing the keel hook part forms a clamping working surface.

Furthermore, a clamping groove is formed in the position, close to the keel base plate, of the clamping working surface, an avoiding inclined surface is formed in the position, far away from the keel base plate, of the clamping working surface, and a limiting protrusion is formed in a transition area between the clamping groove and the avoiding inclined surface.

Further, all be provided with spacing sand grip on the face that first vertical retort and second vertical retort faced each other, two spacing sand grips and fossil fragments base plate interval looks equidistance.

Furthermore, both ends of the keel are provided with notches extending along the width direction of the keel.

The utility model also provides a splicing attachment for splicing the two keels side by side, the splicing attachment is of a uniform-section extending structure and comprises a splicing attachment substrate, a connecting part and a fixing part, the connecting part extends upwards from the first end of the splicing attachment substrate in the width direction, and the fixing part extends upwards from the second end of the splicing attachment substrate in the width direction; the fixed part is suitable for in order to prevent the mode joint that deviates from in the splice groove of a fossil fragments, and connecting portion are suitable for the splice groove hookup with another fossil fragments, prevent that two fossil fragments from separating in width direction.

Furthermore, the surface of the connecting part facing the fixing part forms a second hooking working surface which is matched with the first hooking working surface of the keel.

Further, the thickness of the splice attachment substrate is equal to the difference between the heights of the first vertical bar of the keel and the hook portion of the keel.

Further, the distance between the connecting part and the fixing part is twice of the vertical distance from the first hooking working surface of the keel to the front end of the hook head of the hook part of the keel.

Furthermore, the face, far away from the connecting portion, of the fixing portion is provided with a limiting boss, and when the fixing portion is inserted into the splicing groove of the keel, the limiting boss is arranged in the clamping groove on the first vertical bar and is limited by the limiting protrusion to be separated.

The utility model also provides a combination annex for being used for two foretell fossil fragments at length end composite connection, it includes two angle sign indicating number strips with a contained angle fixed connection, and the contained angle is used for injecing two fossil fragments combination angle, and the width of every angle sign indicating number strip matches with the combination groove of fossil fragments, and the thickness of every angle sign indicating number strip matches with the spacing sand grip of fossil fragments base plate spaced apart distance.

Further, still include the corner fittings body, two angle sign indicating number strips stretch out to two mutually perpendicular's directions from the corner fittings body, corner fittings body and angle sign indicating number strip integrated into one piece, the corner fittings body is provided with two mutually perpendicular's incision, two the incision respectively with splice groove collineation on two fossil fragments.

(III) advantageous effects

The utility model has the advantages that:

based on the utility model provides a fossil fragments, concatenation annex and combined fitting's structure is suitable for the equipment of bottom plate frame and the connection of assembling on floor, is suitable for the technology shaping such as tensile, extrude, can leave out the mould, can customize the size in a flexible way. The components with different sizes are obtained under the condition of low cost, so that the personalized customization on the size is realized, the restriction of the injection mold on the richness of the size specification is eliminated, the production cost is reduced, and the requirement of the market on the richness of the size specification is favorably met.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a combined bottom plate frame according to the present invention;

FIG. 2 is an exploded view of a first embodiment of a combined bottom plate frame according to the present invention;

FIG. 3 is a schematic view of a portion of an assembled floor frame according to an embodiment of the present invention, viewed from above and from the side;

fig. 4 is a partial structure view from the side and below after being disassembled according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a keel according to a first embodiment of the combined bottom plate frame of the invention;

fig. 6 is a schematic structural view of a hook according to a first embodiment of the combined bottom plate frame of the present invention;

fig. 7 is a schematic structural view of the combined bottom plate frame according to the first embodiment of the present invention after the hooks are connected with the keels;

fig. 8 is a schematic structural view of the first embodiment of the combined bottom plate frame according to the present invention, wherein the hook is connected to the keel and then is engaged with another keel;

fig. 9 is a schematic structural view of a hook according to a second embodiment of the combined bottom plate frame of the present invention;

fig. 10 is a partial structure view from below and from below after three parts of the combined bottom plate frame of the embodiment of the invention are disassembled;

fig. 11 is a schematic structural view of a combined accessory according to a fourth embodiment of the present invention, which is an integral corner fitting;

fig. 12 is an exploded view of the embodiment of the splicing floor according to the present invention.

[ description of reference ]

1-keel, 11-splicing groove, 111-splicing wall, 12-combination groove, 13-keel base plate, 14-keel hook part, 141-first hooking working surface, 142-avoidance groove, 15-first vertical bar, 151-clamping groove, 152-avoidance inclined plane, 153-limiting protrusion, 16-second vertical bar, 17-limiting convex strip and 18-notch;

2-splicing accessory, 20-hook, 21-fixing part, 211-first fixing strip, 212-second fixing strip, 22-connecting part, 221-second hooking working surface, 23-splicing accessory substrate, 24-limiting boss and 25-clamping bulge;

3-combined accessories, 31-corner connectors, 32-corner pieces, 33-integral corner pieces, 331-corner piece bodies, 332-corner connector strips, 333-barb structures and 334-supporting structures;

4-a combined floor frame;

5-a function board;

6-decorative board.

Detailed Description

The present invention will be described in detail with reference to the following specific examples.

In the present invention, unless otherwise expressly specified or limited, when terms such as "disposed on," "connected to," or "connected to" are present, these terms are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected with each other or connected with each other through an intermediate medium, and the two elements can be communicated with each other. Unless specifically described otherwise with respect to a particular connection.

The utility model discloses a fossil fragments, concatenation annex and combination annex structure form a combination formula bottom plate frame on concatenation floor and design to the combination, for the convenience of whole understanding fossil fragments, concatenation annex and combination annex are necessary to be followed based on the utility model discloses a fossil fragments, concatenation annex and combination annex's combination formula bottom plate frame and the angle on concatenation formula floor carry out the whole description.

Embodiment one of the combined bottom plate frame

Referring to fig. 1 to 8, the present invention provides a first embodiment of a combined bottom plate frame for a splicing floor, which includes a combined square frame body and a plurality of splicing accessories 2 detachably installed on the frame body. The frame body comprises four keels 1, and two adjacent keels 1 are vertically connected end to end by means of combined accessories 3.

Keel

The keels 1 are of a uniform cross-section extension structure so that they can be drawn or extruded from various materials to any desired length without being limited by the design size of the product.

The material forming the keel is preferably an aluminum profile. In addition, the keel may be a stainless steel profile, a zinc alloy profile, a copper profile, a hard PVC (Polyvinyl chloride) profile, a hard ABS (Acrylonitrile butadiene Styrene copolymers) profile, or a hard PS (Polystyrene) profile. The best material of choice of fossil fragments 1 is the aluminium alloy, because the expend with heat and contract with cold coefficient of aluminium alloy is less, can reduce expend with heat and contract with cold deformation that comes, and the aluminium alloy price is lower and the stable performance, and the sexual valence is higher, and simultaneously, the quality of aluminium alloy is lighter, convenient transportation and assembly.

As shown in fig. 3-5, in the present embodiment, the keel 1 is provided with a splicing groove 11 extending along the length direction thereof, a fixing portion 21 (see fig. 6) of the splicing accessory 2 is adapted to be clamped into the splicing groove 11 of the keel 1 in a manner of preventing the splicing accessory from coming off, one side of the splicing groove 11 close to the edge of the frame body is a splicing wall 111, and the splicing wall 111 is adapted to be matched with a connecting portion 22 (see fig. 6) of the splicing accessory 2 of other floor frames. Through setting up splice groove 11, this splice groove 11 can be hooked by splice accessory 2 in the time, can be used as the connection structure that splice accessory 2 and fossil fragments 1 are connected again, and a groove is dual-purpose, has simplified fossil fragments 1's structure to the at utmost.

In the embodiment shown in fig. 5, the keel 1 includes a keel base 13, a keel hook 14, a first vertical bar 15 and a second vertical bar 16, the keel hook 14 extends downward from a first end of the keel base 13 in the width direction, the first vertical bar 15 extends downward from a middle part of the keel base 13 in the width direction, the second vertical bar 16 extends downward from a second end of the keel base 13 in the width direction, a splicing groove 11 is formed between the keel hook 14 and the first vertical bar 15, and a combining groove 12 is formed between the first vertical bar 15 and the second vertical bar 16.

In the present embodiment, the keel hook 14 constitutes the joining wall 111, and the surface facing the first vertical bar 15 constitutes the first hooking surface 141. An avoiding groove 142 is formed in the first hooking working surface 141 of the keel hook 14 near the keel base 13. The avoiding groove 142 can facilitate the installation of the fixing part 21 of the splicing accessory 2 in place, and can also provide a space for accommodating the adhesive, so that the splicing accessory 2 is more stably connected with the keel 1.

In the present embodiment, the surface of the first vertical bar 15 facing the keel hook 14 constitutes an engagement working surface. The position that is close to fossil fragments base plate 13 on the block working face is equipped with block groove 151, and the position of keeping away from the fossil fragments base plate is equipped with dodges inclined plane 152, and the transition region between block groove 151 and the inclined plane 152 of dodging forms spacing arch 153. The avoiding inclined surface 152 facilitates the fixing part 21 to enter the splicing groove 11, and the limiting protrusion 153 is used for preventing the fixing part 21 from being separated from the splicing groove 11.

In this embodiment, all be provided with spacing sand grip 17 on the face that first vertical bar 15 and second vertical bar 16 faced each other, two spacing sand grip 17 and fossil fragments base plate 13 interval looks equidistance. The combination groove 12 is defined between the limit convex strip 17 and the keel base plate 13, so that the connection between the combination accessory 3 and the keel 1 is more stable.

Splicing fitting

In the embodiment shown in fig. 6, the splicing attachment 2 comprises a splicing attachment substrate 23, a fixing portion 21 and a connecting portion 22, the fixing portion 21 is suitable for preventing the splicing attachment 2 from being detachably mounted on the keel 1, and the connecting portion 22 is suitable for connecting the keel 1 of another combined type floor frame, so that the splicing of a plurality of combined type floor frames is realized. As shown in fig. 8, after the fixing portion 21 is connected to the keel 1, the connecting portion 22 can be hooked on another keel 1.

Preferably, the splicing attachment 2 is a uniform-section stretching structure, the splicing attachment 2 with the uniform-section stretching structure can be obtained by stretching or extruding various materials, preferably, aluminum profiles or high-strength plastics are adopted for stretching or extruding, and after a longer base material is stretched or extruded, a plurality of splicing attachments 2 with proper lengths can be obtained by cutting. When the splicing accessory 2 is manufactured by stretching or cutting after extrusion, the splicing accessory 2 can also be a stainless steel section, a zinc alloy section, a copper section, a hard PVC section, a hard ABS section or a hard PS section.

Furthermore, since the floor panels of different sizes can be made of the same size of the splice attachments 2, it is also possible that the splice attachments 2 are made by injection molding or die casting, such as injection molding of high-strength plastic, metal or alloy.

As shown in fig. 1, each keel 1 spliced into a rectangular frame is connected with a plurality of spaced splicing accessories 2. The distance between the splicing attachments 2 is larger than the length of the splicing attachments 2, and clamping positions are formed between the adjacent splicing attachments 2. On two keels 1 that the frame body set up relatively, the concatenation annex 2 of one of them fossil fragments 1 is relative with the screens of another fossil fragments 1.

The splice accessory 2 preferably uses the hook 20 shown in fig. 6, the two ends of the hook 20 are respectively the fixing portion 21 and the connecting portion 22, and the distance between the fixing portion 21 and the connecting portion 22 (a shown in fig. 8) is equal to twice the distance between the splice wall 111 and the edge of the frame body (b shown in fig. 8). Through foretell structure setting, can realize the firm concatenation on concatenation floor.

In the present embodiment, the connection portion 22 extends upward from a first end of the splice accessory substrate 23 in the width direction, and the fixing portion 21 extends upward from a second end of the splice accessory substrate 23 in the width direction. The fixing portion 21 is adapted to be engaged with the engaging groove 11 of one keel 1 in a manner of preventing the separation, and the connecting portion 22 is adapted to be hooked with the engaging groove 11 of the other keel 1 to prevent the separation of the two keels 1 in the width direction.

In this embodiment, the surface of the connecting portion 22 facing the fixing portion 21 constitutes a second hooking surface 221 for cooperating with the first hooking surface 141 of the keel 1.

In this embodiment, the thickness of the splice attachment base plate 23 is equal to the difference between the heights of the first vertical bar 15 of the keel 1 and the keel hook 14. The arrangement is such that when the splice attachment 2 is attached to the keel 1, the bottom surface of the splice attachment 2 is flush with the lowermost end of the keel 1.

In this embodiment, a limiting boss 24 is disposed on a surface of the fixing portion 21 away from the connecting portion 22, and when the fixing portion 21 is located in the splicing groove 11 of the keel 1, the limiting boss 24 is disposed in the engaging groove 151 of the first vertical bar 15 and is limited by the limiting protrusion 153 to be removed.

Preferably, as shown in fig. 8, the distance b between the fixing portion 21 and the connecting portion 22 is twice the perpendicular distance b from the first hooking face 141 of the keel 1 to the hook head front end of the keel hook 14, and this dimensional relationship can ensure seamless connection of the splice floors.

Bevelling of keels

In this embodiment, the ends of the keels 1 are chamfered to form beveled edges, and each corner brace 31 butt-joins the beveled edges of adjacent keels 1. Preferably, a position of each chamfered keel 1 near the distal end is provided with a notch 18 extending along the width direction of the keel 1. When the end bevels of two adjacent keels 1 are vertically butted, the cut 18 of each keel 1 is aligned with the splicing groove 11 of the other keel 1 and matched with the splicing groove in size, so that a channel for the splicing accessory 2 to slide in and out of the splicing groove 11 is formed.

Combined accessory

The composite accessory 3 comprises four corner braces 31. The keel 1 is provided with a combined groove 12, the corner connectors 31 are suitable for being inserted into the combined groove 12, the splicing grooves 11 are all located on the outer side of the rectangular frame, the combined grooves 12 are all located on the inner side of the rectangular frame, and the adjacent keels 1 are connected through the corner connectors 31. In order to connect adjacent keels 1 conveniently, in this embodiment, a combination groove 12 is formed in each keel 1, and an angle connector 31 is additionally provided, so that two ends of each angle connector 31 are respectively inserted into the combination grooves 12 of the adjacent keels 1, so as to connect and combine the keels 1 into a spliced frame.

Of course, it is also possible not to adopt angle sign indicating number 31 to connect, for example support the terminal surface of a fossil fragments 1 the terminal side of another fossil fragments 1, then use the mode of welding or bonding to make adjacent fossil fragments 1 link to each other, also can solve like this the utility model discloses the technical problem who solves, above-mentioned scheme also falls into the utility model discloses a protection within range.

When adopting angle sign indicating number 31 to connect adjacent fossil fragments 1, set up 1 length direction's of fossil fragments end into the oblique angle structure and be favorable to the seamless concatenation between fossil fragments 1 and fossil fragments 1. Certainly, it is also possible not to have the terminal of fossil fragments 1 length direction be the bevel angle structure, also can solve the utility model discloses the technical problem that will solve, above-mentioned scheme also falls into the utility model discloses a scope of protection.

In this embodiment, an adhesive layer is provided between the keel 1 and the splice attachment 2 and/or between the keel 1 and the combination attachment 3. After the splicing fitting 2 is connected with the keel 1 and the combined fitting 3 is connected with the keel 1, the two connected parts can still slide relatively and possibly slide out of the grooves, and therefore, an adhesive is added between the two connected parts to ensure the stability of the connection.

Second embodiment of the assembled bottom plate frame

In this embodiment, the structure of the splicing attachment 2 (i.e., the hook 20) is different from that of the first embodiment.

As shown in fig. 9, the splicing accessory 2 includes a splicing accessory substrate 23, a connecting portion 22 and a fixing portion 21, the connecting portion 22 extends upward from a first end of the splicing accessory substrate 23, the fixing portion 21 includes a first fixing strip 211 and a second fixing strip 212, the first fixing strip 211 extends upward from a middle portion of the splicing accessory substrate 23, the second fixing strip 212 extends upward from a second end of the splicing accessory substrate 23, a clamping protrusion 25 is arranged on a surface of the first fixing strip 211, which faces away from the second fixing strip 212, and a limiting boss 24 is arranged on a surface of the second fixing strip 212, which faces away from the first fixing strip 211.

Through the structure, the splicing accessory 2 can be installed on the keel 1 in a manner of being pressed and clamped into or being inserted from the end part of the keel 1, and the clamping hook 20 is not easy to be separated from the splicing groove of the keel 1 under the common coordination of the limiting lug boss 24, the clamping protrusion 25, the avoiding groove 142 and the clamping groove 151.

Third embodiment of the combined bottom plate frame

In this embodiment, the structure of the combined accessory 3 is different from that of the first embodiment or the second embodiment.

The combined accessory 3 comprises four groups of four corner pieces 32 and four corner connectors 31, as shown in fig. 10, each group comprises a corner piece 32 and a corner connector 31, each corner piece 32 is positioned between the ends of the adjacent keels 1, the corner piece groove aligned with the combined groove of the keels is arranged on the corner piece 32, the corner connectors 31 are embedded in the corner piece groove and the combined groove, and the corner pieces 32 and the two adjacent keels 1 are connected, so that the combination of the combined floor frame is realized.

In this regard, corner pieces are added between the ends of adjacent keels and are combined with the keels to form a complete square frame. The corner fitting is square, the tail end of the keel 1 is a vertical end face vertical to the length direction of the keel, beveling is not needed in machining, and machining cost is low.

In the embodiment, the corner fitting 32 can be obtained by injection molding, and the production cost is low. The corner connector 31 is made of metal and provides high strength.

Preferably, the corner members 32 are each provided with a cut-out 18 on both of their vertical edges. When two adjacent keels 1 are vertically butted against each other by means of the corner piece 32, the two cutouts 18 of the corner piece 32 are aligned with and sized to match the splicing grooves 11 of the two keels 1, respectively, thereby forming a passage for the splicing attachment 2 to slide into and out of the splicing grooves 11.

Preferably, the bottom surface of the corner fitting 32 is provided with a support structure 334, and by providing the support structure 334, the assembled modular floor frame is prevented from collapsing at the corner fitting 32.

Fourth embodiment of the Combined bottom plate frame

In this embodiment, the structure of the combined accessory 3 is different from that of the first embodiment or the second embodiment. The combined accessory 3 of the present embodiment is different from the combined accessory 3 of the third embodiment mainly in an integral structure.

The combined accessory comprises four integral corner pieces 33, the integral corner pieces 33 are structured as shown in fig. 11, and the integral corner pieces 33 comprise corner piece bodies 331 and corner stacking strips 332 extending from the corner piece bodies 331 to two directions perpendicular to each other. An integral corner piece 33 is provided between the ends of each adjacent keel 1.

After the combined accessory 3 is arranged on the basis of the structure, the tail end of the keel 1 can be vertically cut to form a vertical edge without beveling, and the processing cost is low.

The keels 1 are provided with combined grooves 12 extending along the length direction of the keels, each integral corner piece 33 is located between the end parts of two adjacent keels 1, and the corner joint strip 332 is suitable for being inserted into the combined grooves 12 to realize the connection of the adjacent keels, so that the combination of the combined bottom plate frame is realized. Preferably, the angle code strip 332 is further provided with a barb structure 333, and the barb structure 333 facilitates the angle code strip 332 to enter the combination groove 12 and is not easy to be separated after entering the combination groove 12.

Preferably, the bottom surface of the corner fitting body 331 is provided with a support structure 334, and by providing the support structure 334, the assembled combined bottom plate frame is prevented from collapsing at the integral corner fitting 33.

In this embodiment, the integral corner piece 33 can be obtained by injection molding of engineering plastics or die casting of metals, and the production efficiency is high. In actual production, the thickness of the corner code strip 332 can be locally thickened according to requirements to provide higher strength.

Preferably, the two perpendicular edges of each integral corner piece 33 are provided with cuts 18. When two adjacent keels 1 are vertically butted against each other by means of the integral corner piece 33, the two notches 18 of the integral corner piece 33 are respectively aligned with and matched in size with the splicing grooves 11 of the two keels 1, thereby forming a passage for the splicing attachments 2 to slide into and out of the splicing grooves 11.

Bottom plate and splicing floor embodiment

The utility model also provides a bottom plate and concatenation floor, as shown in fig. 12, it includes function board 5, decorative board 6 and foretell combination formula bottom plate frame 4, and function board 5 is filled and is constituteed the bottom plate at combination formula bottom plate frame 4's middle part, and the concatenation floor is constituteed at the upper surface of bottom plate to the laminating of decorative board 6.

To sum up, the utility model provides a fossil fragments, concatenation annex and combined accessory's structure can not adopt the mode shaping of moulding plastics, die-casting, and is suitable for technologies such as extrude, tensile. The spliced floor with size design flexibility is convenient to manufacture at lower cost, the requirements of the market on the floor size diversification and individuation customization are met, and the manufacturing cost is reduced.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (14)

1. The utility model provides a fossil fragments, is the constant cross section and extends structure which characterized in that: including fossil fragments base plate, fossil fragments hook portion, first vertical retort and second vertical retort, fossil fragments hook portion down extends, first vertical retort down extends from the width direction middle part of fossil fragments base plate from the first end of width direction of fossil fragments base plate, and the second vertical retort down extends from the width direction second end of fossil fragments base plate, forms the concatenation groove between fossil fragments hook portion and the first vertical retort, forms the combination groove between first vertical retort and the second vertical retort.

2. The runner of claim 1, wherein: the surface of the keel hook part facing the first vertical strip forms a first hooking working surface.

3. The runner of claim 2, wherein: the position that is close on the first hook working face of fossil fragments hook portion fossil fragments base plate is equipped with and dodges the groove.

4. The runner of claim 1, wherein: the surface of the first vertical bar facing the hook part of the keel forms a clamping working surface.

5. The runner of claim 4, wherein: the position that is close to the fossil fragments base plate on the block working face is equipped with the block groove, and the position of keeping away from the fossil fragments base plate is equipped with dodges the inclined plane, and the transition region between block groove and the inclined plane of dodging forms spacing arch.

6. The runner of claim 1, wherein: all be provided with spacing sand grip on the face that first vertical retort and second vertical retort faced each other, two spacing sand grips and fossil fragments base plate interval looks equidistance.

7. The runner of claim 1, wherein: and two ends of the keel are provided with notches extending along the width direction of the keel.

8. A splice attachment for splicing two keels according to any one of claims 1 to 7 side by side, wherein the splice attachment is of a uniform cross-section extension structure comprising a splice attachment base plate, a connecting portion extending upwardly from a first widthwise end of the splice attachment base plate, and a fixing portion extending upwardly from a second widthwise end of the splice attachment base plate;

the fixed part is suitable for in order to prevent the mode joint that deviates from in the splice groove of a fossil fragments, and connecting portion are suitable for the splice groove hookup with another fossil fragments, prevent that two fossil fragments from separating in width direction.

9. The splice accessory of claim 8, wherein: the surface of the connecting part facing the fixing part forms a second hooking working surface which is matched with the first hooking working surface of the keel.

10. The splice accessory of claim 8, wherein: the thickness of the splicing attachment substrate is equal to the difference between the heights of the first vertical strip of the keel and the hook part of the keel.

11. The splice accessory of claim 8, wherein: the distance between the connecting part and the fixing part is twice of the vertical distance from the first hooking working surface of the keel to the front end of the hook head of the keel hook part.

12. The splice accessory of claim 8, wherein: be provided with spacing boss on the face of keeping away from connecting portion of fixed part, when the fixed part inserted the splice groove of fossil fragments, spacing boss was arranged in the block groove on the first vertical retort and is deviate from by spacing protruding restriction.

13. A modular attachment for modular connection of two keels according to claim 1 at the ends of the length, characterized in that: including two angle sign indicating number strips with an contained angle fixed connection, the contained angle is used for injecing two fossil fragments combination angles, and the width of every angle sign indicating number strip matches with the combination groove of fossil fragments, and the thickness of every angle sign indicating number strip matches with the spacing sand grip of fossil fragments base plate spaced distance.

14. The combination accessory of claim 13, wherein: still include the corner fittings body, two angle sign indicating number strips stretch out to two directions of mutually perpendicular from the corner fittings body, corner fittings body and angle sign indicating number strip integrated into one piece, the corner fittings body is provided with two mutually perpendicular's incision, two the incision respectively with splice groove collineation on two fossil fragments.

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