CN211775350U - Fixing fastener and decoration material fixing assembly - Google Patents

Abstract

The fixing fastener of the utility model is provided with a clamping groove on the inner side surface of the decoration material, the end part of the clamping groove is provided with a closing part, and the fixing fastener comprises a bottom plate, a rotating shaft and a lock catch; one side of pivot is connected on the bottom plate, and the hasp is including turning and stirring the portion, and the part cladding of turning can follow the pivot surface and rotate, and stirring the portion connection on turning, stirs one side that the portion is located the axis of turning, stirs the portion and includes first separation blade and second separation blade, and the space between first separation blade and the second separation blade is used for the binding off portion atress of decoration material and drives and turn the rotation. The utility model discloses foretell fixed fastener of subassembly and decoration material are fixed to decoration material. The decorative material of the utility model has wide application range. The utility model discloses a fixing fastener is applied to the decoration material, can be applicable to the installation on uneven surface, also is applicable to the deformation that wets, the ground is uneven, the wall is uneven, prevents the obscission. The utility model discloses a fixing fastener is applied to the decoration material, and the fixed action is good, and the installation is simple with the dismantlement.

Description

Fixing fastener and decoration material fixing assembly

Technical Field

The utility model belongs to the technical field of the building decoration material, concretely relates to fixed fastener and fixed subassembly of decoration material.

Background

The fixing of decorative materials such as skirting lines, wall boards, vertex lines, waist lines or door pocket lines to the wall or the ground requires certain fixing devices such as glue bonding, screw fixing or fastening.

Referring to fig. 1-1, one form of the conventional fastening device 300 is that the decorative material 200 such as a skirting line is directly hung on a one-head fastener, and the lower end of the structure is not fixed, so that the fastening is not firm and stable.

Referring to fig. 1-2, the upper end and the lower end of the conventional fixing fastener 300 are fixed, and the fixing fastener needs to be pushed into the wall by force during installation, so that the wall is difficult to detach, and the wall cannot be attached to the ground due to unevenness of the wall, and a large gap is left between the wall and the ground.

Referring to fig. 1-3, if the wall surface is not flat enough, the fastening cannot be made on a line, the installation is very difficult, meanwhile, the floor is not flat, the bottom of the skirting line cannot be tightly attached to the floor, the gap is caused, and the like, and then the structure of the fastening is complex, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, a fixed fastener and fixed subassembly of decoration material is provided to solve current buckle and fix insecurely, unable adaptation wall and ground unevenness, the very difficult problem of installation and dismantlement.

In order to solve the above technical problem, the utility model provides a first technical scheme as follows: a fixing fastener is used for fixing a decoration material, a clamping groove is formed in the inner side face of the decoration material, a closing opening is formed in the end portion of the clamping groove, and the fixing fastener comprises a bottom plate, a rotating shaft and a lock catch; one side of pivot is connected on the bottom plate, the hasp is including turning and stirring the portion, the partial cladding of turning can be followed the pivot surface rotates, stir the portion and connect turn, stir the position in one side of the axis of turning, stir the portion and include first separation blade and second separation blade, first separation blade with space between the second separation blade is used for the binding off portion atress of decoration material and drives turn the rotation.

The utility model discloses further set up to, the pivot has one, be equipped with in the pivot towards opposite the hasp, include stir the position in the hasp of axis one side of turning, and stir the position in the hasp of axis opposite side turns.

The utility model discloses further set up as, the edge connection of bottom plate has two to be on a parallel with pivot and perpendicular to the limiting plate of bottom plate.

The utility model discloses further set up to, the pivot has two of parallel, is located two it is epaxial to stir the position in separately the outside of the axis of turning.

The utility model discloses further set up as, the edge connection of bottom plate has two to be on a parallel with pivot and perpendicular to the limiting plate of bottom plate.

The utility model discloses further set up to, two between the pivot be equipped with the protruding portion on the bottom plate, the protruding portion includes that two are connected perpendicularly and be in on the bottom plate and the fixed plate that is parallel to each other, two the one end of fixed plate is connected with the roof jointly.

The utility model discloses further set up to, the cross-section of pivot is oval, the biggest internal diameter of turning is greater than the small radius of pivot just is less than the major radius of pivot.

The utility model discloses further set up to, the cross-section of pivot is circular, be equipped with a spacing slope in the pivot, turn be equipped with in with the spacing groove that spacing slope shape is unanimous.

The utility model discloses further set up to, two domatic of spacing slope with the line contained angle of pivot is the obtuse angle.

The utility model discloses further set up to, a domatic of spacing slope with the line contained angle of pivot is the obtuse angle, another domatic of spacing slope with the line contained angle of pivot is right angle or acute angle.

The utility model is further arranged in such a way that the section of the rotating shaft is circular, an upper hanging plate and a lower hanging plate which are parallel are arranged on the bottom plate between the two rotating shafts, the lower hanging plate is longer than the upper hanging plate, a lower groove facing the upper hanging plate is arranged along the length direction of the lower hanging plate, and an upper groove which is consistent with the lower groove in orientation is arranged along the length direction of the upper hanging plate; the bottom plate is provided with an elastic body, the elastic body is in an elastic bending shape, after the elastic body is extruded by elasticity, the middle part of the elastic body is abutted against the rotating body and rotates after the rotating body, the middle part of the elastic body is abutted against the rotating shaft and is opposite to the edge of the rotating body to generate a limiting fixing effect, two sides of the elastic body are hooked on the corner of the upper hanging plate, one free end of the elastic body is pressed on the corner of the lower hanging plate, the other free end of the elastic body is provided with a notch, and the notch is pressed in the lower groove.

The utility model provides a second technical scheme as follows: the utility model provides a subassembly is fixed to decoration material, includes foretell fixed fastener and decoration material, the both ends of the medial surface of decoration material respectively are equipped with a draw-in groove, the tip of draw-in groove is equipped with a binding off portion, the binding off portion support by lean on close on first separation blade with space between the second separation blade presses the decoration material, the binding off portion drives it is fixed to rotate to turn.

The utility model provides a third technical scheme as follows: the utility model provides a subassembly is fixed to decoration material, includes foretell fixed fastener and decoration material, be equipped with on the medial surface of decoration material and be used for fixing the slot of limiting plate, the both ends of the medial surface of decoration material respectively are equipped with a draw-in groove, the tip of draw-in groove is equipped with a binding off portion, the binding off portion supports and leans on and closes on first separation blade with space between the second separation blade presses the decoration material, the binding off portion drives it is fixed to rotate to turn.

The utility model provides a fourth technical scheme as follows: the utility model provides a subassembly is fixed to decoration material, includes foretell fixed fastener and decoration material, the decoration material includes ornamental strip, top plate and lower side plate, the top plate with be fixed with the cushion between the lower side plate, fixed fastener fixes on the cushion, the medial surface of ornamental strip is equipped with the draw-in groove, the tip of draw-in groove is equipped with two opposite receipts mouth parts, the portion of closing up supports and leans on first separation blade with space between the second separation blade presses the decoration material, it drives to close the mouth part it is fixed to rotate to turn.

The utility model provides a fifth technical scheme as follows: the utility model provides a subassembly is fixed to decoration material, includes foretell fixed fastener and decoration material, the medial surface of decoration material is equipped with the draw-in groove, the tip of draw-in groove is equipped with two opposite binding off portions, binding off portion support lean on first separation blade with space between the second separation blade presses the decoration material, the binding off portion drives turn round the biggest radius of pivot and fixed.

The utility model provides a sixth technical scheme as follows: the utility model provides a subassembly is fixed to decoration material, includes foretell fixed fastener and decoration material, the medial surface of decoration material is equipped with the draw-in groove, the tip of draw-in groove is equipped with two opposite binding off portions, binding off portion support by first separation blade with space between the second separation blade presses the decoration material, the binding off portion drives the biggest internal diameter of turning is rolled out spacing slope and quilt a domatic spacing of spacing slope is fixed.

The utility model provides a seventh technical scheme as follows: a decoration material fixing assembly comprises the fixing fastener and a decoration material, wherein a clamping groove is formed in the inner side face of the decoration material, two opposite closing parts are formed in the end parts of the clamping groove, the closing parts abut against the space between a first blocking piece and a second blocking piece to press the decoration material, the closing parts drive a rotating body to rotate, and the middle part of an elastic body abuts against the rotating shaft to limit and fix the edge of the rotating body; the two ends of the elastic body are fixed in the clamping grooves of the decoration material.

To sum up, the utility model discloses following beneficial effect has:

(1) the utility model discloses a decoration material range of application is very wide, including wallboard, apex angle line, floor, skirting line, door pocket line etc. all can be suitable for.

(2) The utility model discloses a fixing fastener is applied to the decoration material, can be applicable to the installation on uneven surface, also is applicable to the deformation that wets, the ground is uneven, the wall is uneven, prevents the obscission.

(3) The utility model discloses a fixing fastener is applied to the decoration material, and the fixed action is good, and the installation is simple with the dismantlement.

Drawings

FIG. 1-1 shows one form of a conventional fastening clip;

FIGS. 1-2 illustrate a second type of conventional fastening device;

FIGS. 1-3 illustrate a third form of conventional fastening device;

FIG. 2-1 is a schematic view of the latch;

FIGS. 2-2 and 2-3 are schematic views of a fastening device (one rotating shaft without a limiting plate);

FIG. 3 is a schematic view of a fixing fastener (one rotating shaft, one limiting plate);

FIGS. 4-1 and 4-2 are schematic views of a fastening device (two shafts without a limiting plate);

is as follows;

FIG. 5 is a schematic view of a fixing fastener (two rotating shafts, two limiting plates);

FIG. 6 is a schematic view of a fixing fastener (two rotating shafts, two limiting plates, and a protrusion);

FIGS. 7-1 and 7-2 are schematic views showing a structure of a fixing clip (the section of the shaft is an oval);

FIG. 8-1 and FIG. 8-2 are schematic structural views of a fixing fastener (the section of the rotating shaft is circular, and the included angle between the connecting line of the two slope surfaces of the limiting slope and the rotating shaft is an obtuse angle);

fig. 9 is a schematic structural view of a fixing fastener (the section of the rotating shaft is circular, the included angle between the connecting line of one slope surface of the limiting slope and the rotating shaft is an obtuse angle, and the included angle between the connecting line of the other slope surface of the limiting slope and the rotating shaft is a right angle or an acute angle);

FIG. 10-1 is a schematic view of the structure of an elastomer; FIG. 10-2 is a schematic structural view of a fastening device (two shafts, an upper hanging plate and a lower hanging plate); FIG. 10-3 is a schematic view of the combination of an elastic body and a fastening device; FIG. 10-4 is a rear view of FIG. 10-3; FIG. 10-5 is an assembly view of the composite structure and upholstery material of FIG. 10-3; FIG. 10-6 is a perspective view of FIG. 10-5;

FIGS. 11-1 and 11-2 illustrate the installation of the fastening fastener and upholstery material;

FIG. 12-1 is a perspective view of the fastening clip of FIG. 3; FIGS. 12-2 and 12-3 are diagrams of the upholstery material and installation process;

FIG. 13 is an assembled view of the fastening fastener and upholstery material of FIG. 5;

FIGS. 14-1 and 14-2 are views illustrating the installation of the fastening clip and trim material of FIG. 6; fig. 15-1 to 15-4 are views showing the mounting process of the third trim material fixing unit according to the embodiment.

Wherein, 1, decorating materials; 1-1, a clamping groove; 1-2, a closing part; 1-3, a slot; 1-4, decorative strips; 1-5, upper side plate; 1-6, a lower side plate; 1-7, cushion blocks;

2. fixing a fastener; 2-1, a bottom plate; 2-2, a rotating shaft; 2-3, rotating body; 2-4, a first baffle plate; 2-5, a second baffle plate; 2-6, a limiting plate; 2-7, fixing plates; 2-8, a top plate; 2-9, limiting slope; 2-10 parts of a limiting groove; 2-11, obtuse angle; 2-12, right or acute; 2-13, hanging the board; 2-14, hanging the board down; 2-15, upper groove; 2-16, lower grooves; 2-17, an elastomer; 2-18 and gaps.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a fixed fastener for fixed decoration material, the medial surface of decoration material is equipped with the draw-in groove, and the tip of draw-in groove is equipped with the portion of closing up, and fixed fastener includes bottom plate 2-1, pivot 2-2 and hasp. One side of the rotating shaft 2-2 is connected to the bottom plate 2-1, the lock catch comprises a rotating body 2-3 and a shifting portion (the structure of the lock catch is shown in fig. 2-1), the rotating body 2-3 is partially coated on the surface of the rotating shaft 2-2 and can rotate along the surface of the rotating shaft 2-2, the shifting portion is connected to the rotating body 2-3 and is located on one side of the central axis of the rotating body 2-3, the shifting portion comprises a first blocking piece 2-4 and a second blocking piece 2-5, a space between the first blocking piece 2-4 and the second blocking piece 2-5 is used for stress of a closing portion of decoration materials and driving the rotating body 2-3 to rotate, and along with rotation of the rotating body 2-3, a gap between the shifting portion and the closing portion is gradually reduced until the closing portion is. The utility model discloses a fixed fastener can select single installation, list installation or whole installation according to the installation environment.

The rotating shaft 2-2 can have one or two rotating shafts:

(1) when there is one rotating shaft 2-2, the rotating shaft 2-2 is provided with lock catches facing opposite directions, including a lock catch with a poking part positioned on one side of the central axis of the rotating body 2-3 and a lock catch with a poking part positioned on the other side of the central axis of the rotating body 2-3, see fig. 2-2 and fig. 2-3.

Furthermore, the edge of the bottom plate 2-1 is connected with two limiting plates 2-6 which are parallel to the rotating shaft 2-2 and vertical to the bottom plate 2-1, and the limiting plates 2-6 are used for further clamping the decorative material, as shown in fig. 3.

(2) When there are two parallel rotating shafts 2-2, the poking parts on the two rotating shafts 2-2 are located outside the central axis of the respective rotating bodies 2-3, see fig. 4-1 and 4-2.

Further, the edge of the bottom plate 2-1 is connected with two limit plates 2-6 which are parallel to the rotating shaft 2-2 and perpendicular to the bottom plate 2-1, see fig. 5.

Furthermore, a protruding part is arranged on the bottom plate 2-1 between the two rotating shafts 2-2, the protruding part comprises two fixing plates 2-7 which are vertically connected to the bottom plate 2-1 and are parallel to each other, one end of each of the two fixing plates 2-7 is connected with a top plate 2-8, and the top plates 2-8 can be used as decorative plates, structures or patterns and can be selected according to actual needs, see fig. 6.

The section of the rotating shaft 2-2 has a great influence on the whole fixing fastener:

(1) when the section of the rotating shaft 2-2 is elliptical, the maximum inner diameter of the rotor 2-3 is larger than the small radius of the rotating shaft 2-2 and smaller than the large radius of the rotating shaft 2-2, and the rotor 2-3 is rotated, the maximum inner diameter of the rotor 2-3 rotates around the maximum radius of the rotating shaft 2-2, see fig. 7-1 and fig. 7-2.

(2) When the section of the rotating shaft 2-2 is circular, the rotating shaft 2-2 is provided with a limit slope 2-9, and a limit groove 2-10 with the same shape as the limit slope 2-9 is arranged in the rotating body 2-3.

Furthermore, the included angle between the two slope surfaces of the limiting slope 2-9 and the connecting line of the rotating shaft 2-2 is an obtuse angle 2-11, as shown in fig. 8-1 and fig. 8-2.

Or the included angle between the connecting line of one slope surface of the limiting slope 2-9 and the rotating shaft 2-2 is an obtuse angle 2-11, and the included angle between the other slope surface of the limiting slope 2-9 and the connecting line of the rotating shaft 2-2 is a right angle or an acute angle 2-12, as shown in fig. 9.

(3) When the section of the rotating shaft 2-2 is circular, an upper hanging plate 2-13 and a lower hanging plate 2-14 which are parallel are arranged on a bottom plate 2-1 between the two rotating shafts 2-2, the lower hanging plate 2-14 is longer than the upper hanging plate 2-13, a lower groove 2-16 which faces the upper hanging plate 2-13 is arranged along the length direction of the lower hanging plate 2-14, and an upper groove 2-15 which is consistent with the lower groove 2-16 in orientation is arranged along the length direction of the upper hanging plate 2-13, as shown in figure 10-2. The bottom plate 2-1 is provided with an elastic body 2-17, referring to fig. 10-1, the elastic body 2-17 is in an elastic bending shape, after the elastic body 2-17 is elastically extruded, the middle part of the elastic body 2-17 is propped against the rotating body 2-3, after the rotating body 2-3 is rotated, the middle part of the elastic body 2-17 is abutted against the rotating shaft 2-2 and generates a limiting and fixing effect on the edge of the rotating body 2-3, two sides of the elastic body 2-17 are hooked on the corner of the upper hanging plate 2-13 to prevent the elastic body 2-17 from being separated, one free end of the elastic body 2-17 is pressed on the corner of the lower hanging plate 2-14, the other free end of the elastic body 2-17 is provided with a notch 2-18, and the notch 2-18 is pressed in the lower groove 2-16, as shown in a figure 10-3 and a figure 10-4. The notches 2-18 are reserved for fixing one side of the elastic bodies 2-17, and the notches 2-18 are not arranged on the other side of the elastic bodies 2-17, so that when the decorative material 1 needs to be disassembled, the decorative material 1 can be pulled away from the side without the notches 2-18, the elastic bodies 2-17 at the end are slightly separated, the middle parts of the elastic bodies 2-17 can be loosened, further the rotating bodies 2-3 can realize the rotating loosening, and the decorative material 1 is disassembled.

The following examples of the decorative material fixing member will be described as practical use of the fixing clip. The utility model discloses a decoration material range of application is very wide, including wallboard, apex angle line, floor, skirting line, door pocket line etc. all can be suitable for.

The first decorative material fixing assembly comprises the fixing fastener and the decorative material 1, two ends of the inner side face of the decorative material 1 are respectively provided with a clamping groove 1-1, the end part of the clamping groove 1-1 is provided with a closing-in part 1-2, the closing-in part 1-2 abuts against a space between a first blocking piece 2-4 and a second blocking piece 2-5 which are close to each other, the decorative material 1 is pressed, and the closing-in part 1-2 drives a rotating body 2-3 to rotate and fix, so that the fixing fastener is suitable for the fixing fastener in the figures 2-2, 4-1, 7-1, 8-1, 9 and 10-2.

The second decoration material fixing assembly comprises the fixing fastener and the decoration material 1, slots 1-3 used for fixing limiting plates 2-6 are formed in the inner side face of the decoration material 1, two ends of the inner side face of the decoration material 1 are respectively provided with a clamping groove 1-1, the end portion of each clamping groove 1-1 is provided with a receiving portion 1-2, each receiving portion 1-2 abuts against a space between the adjacent first blocking piece 2-4 and the adjacent second blocking piece 2-5, the decoration material 1 is pressed, the receiving portions 1-2 drive the rotating bodies 2-3 to rotate and fix, and the distance between the two limiting plates 2-6 is slightly smaller than the distance between the two slots 1-3 and is used for further clamping and fixing the decoration material 1. Applicable to the fixing clip of fig. 3, 5, 6, wherein the mounting process of the fixing clip of fig. 3 can be seen in fig. 12-1 to 12-3, wherein the mounting process of the fixing clip of fig. 5 can be seen in fig. 13, and wherein the mounting process of the fixing clip of fig. 6 can be seen in fig. 14-1 and 14-2. The fastening clip 2 of fig. 12-1 to 14-2 is suitable for mounting the upholstery material 1 piece by piece.

The third decorative material fixing component comprises the fixing fastener and the decorative material 1, the decorative material 1 comprises a decorative strip 1-4, an upper side plate 1-5 and a lower side plate 1-6, a cushion block 1-7 is fixed between the upper side plate 1-5 and the lower side plate 1-6, the fixing fastener is fixed on the cushion block 1-7, a clamping groove 1-1 is arranged on the inner side surface of the decorative strip 1-4, two opposite closing parts 1-2 are arranged at the end part of the clamping groove 1-1, the closing parts 1-2 abut against the space between the first blocking piece 2-4 and the second blocking piece 2-5, the decorative material 1 is pressed, and the closing parts 1-2 drive a rotating body 2-3 to rotate and fix, referring to fig. 15-1 to 15-4, the size of the cushion block 1-7 and the size of the fixing fastener can be selected according to actual needs.

A fourth decorative material fixing component, which comprises the fixing fastener and the decorative material, wherein a clamping groove is arranged on the inner side surface of the decorative material, two opposite closing parts are arranged at the end parts of the clamping groove, the closing parts abut against the space between the first blocking piece 2-4 and the second blocking piece 2-5, the decorative material is pressed, the closing parts drive the rotating body 2-3 to bypass the maximum radius of the rotating shaft 2-2 to be fixed, as can be seen from the graph from 7-1 to 7-2, the maximum inner diameter of the rotating body 2-3 is before the maximum radius of the rotating shaft 2-2, the two lock catches are free, the distance between the two lock catches is small, after the decorative material is installed, the closing parts of the decorative material press the two lock catches, the shifting parts of the two lock catches are forced to rotate outwards, and the two lock catches are clamped after the radius of the rotating shaft 2-2 with the maximum stress is rotated, thereby fixing the decorative material.

The fifth decoration material fixing assembly comprises the fixing fastener and the decoration material, wherein a clamping groove is formed in the inner side face of the decoration material, two opposite closing parts are formed in the end portions of the clamping groove, the closing parts abut against the space between the first blocking piece 2-4 and the second blocking piece 2-5, the decoration material is pressed, and the closing parts drive the maximum inner diameter of the rotating bodies 2-3 to rotate out of the limiting slope 2-9 and are limited and fixed by a slope face of the limiting slope 2-9.

Wherein, the included angle between the connecting line of the two slope surfaces of the limiting slopes 2-9 and the rotating shaft 2-2 is an obtuse angle 2-11, referring to fig. 8-1 and fig. 8-2, the limiting slopes 2-9 are set to be the obtuse angles 2-11, which has the advantages of large slope, small force for rotating the rotating body 2-3, labor saving for installation, small force for reversely rotating the rotating body 2-3 when the decorative material is required to be disassembled, and labor saving for disassembly.

Or, the included angle between the connecting line of one slope surface of the limiting slope 2-9 and the rotating shaft 2-2 is an obtuse angle 2-11, and the included angle between the other slope surface of the limiting slope 2-9 and the rotating shaft 2-2 is a right angle or an acute angle 2-12, referring to fig. 9, the slope of the limiting slope 2-9 is set to be large and small, so that the mounting structure has the advantages that the force for rotating the rotating body 2-3 is small when mounting is needed, the mounting is labor-saving, and when the decorative material needs to be dismounted, the force for reversely rotating the rotating body 2-3 is large, the dismounting is difficult, the fixation is firm, and the mounting structure is suitable for some decorative materials which do not.

The sixth decoration material fixing assembly comprises the fixing fastener and the decoration material 1, wherein a clamping groove 1-1 is formed in the inner side face of the decoration material 1, two opposite closing parts are formed in the end portions of the clamping groove 1-1, the closing parts abut against the space between the first blocking piece 2-4 and the second blocking piece 2-5, the decoration material 1 is pressed, the closing parts drive the rotating bodies 2-3 to rotate, and the middle portions of the elastic bodies 2-17 abut against the rotating shafts 2-2 to limit and fix the edges of the rotating bodies 2-3. The two ends of the elastic bodies 2-17 are fixed in the clamping grooves 1-1 of the decorative material 1, see fig. 10-5 and fig. 10-6.

The process of mounting the fixing fastener for the decorative material in all the above embodiments can be seen from fig. 11-1 and fig. 11-2, and the mounting and fixing of the decorative material are realized by utilizing the rotation of the rotating body 2-3 of the fixing fastener 2, and the basic principle is consistent.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (17)

1. A fixing fastener is used for fixing a decoration material, a clamping groove is formed in the inner side face of the decoration material, and a closing part is formed in the end part of the clamping groove; one side of pivot is connected on the bottom plate, the hasp is including turning and stirring the portion, the partial cladding of turning can be followed the pivot surface rotates, stir the portion and connect turn, stir the position in one side of the axis of turning, stir the portion and include first separation blade and second separation blade, first separation blade with space between the second separation blade is used for the binding off portion atress of decoration material and drives turn the rotation.

2. The fastening assembly of claim 1, wherein one of the shafts is provided, and the opposite direction of the lock catch is provided on the shaft, and the lock catch comprises a lock catch of which the poking portion is located on one side of the central axis of the rotating body and a lock catch of which the poking portion is located on the other side of the central axis of the rotating body.

3. The fastening device according to claim 2, wherein two limiting plates are connected to the edge of the bottom plate, and are parallel to the rotation axis and perpendicular to the bottom plate.

4. The fastening of claim 1, wherein the two rotating shafts are parallel, and the poking portions on the two rotating shafts are located outside the central axis of the rotating bodies.

5. The fastening fastener of claim 4, wherein two limiting plates parallel to the rotation axis and perpendicular to the bottom plate are connected to the edge of the bottom plate.

6. A fastening device according to claim 5, wherein a protrusion is provided on the bottom plate between the two rotation shafts, the protrusion comprises two fixing plates vertically connected to the bottom plate and parallel to each other, and a top plate is connected to one end of the two fixing plates.

7. The fastening clip according to claim 1, wherein the rotating shaft has an oval cross-section, and the maximum inner diameter of the rotating body is larger than the small radius of the rotating shaft and smaller than the large radius of the rotating shaft.

8. The fastening device according to claim 1, wherein the rotating shaft has a circular cross section, the rotating shaft has a limiting slope, and the rotating body has a limiting groove formed therein, the shape of the limiting groove being identical to that of the limiting slope.

9. The fastening of claim 8, wherein the two slope surfaces of the limiting slope form an obtuse angle with the connecting line of the rotating shaft.

10. The fastening of claim 8, wherein an angle between a slope of the limiting slope and a connecting line of the rotating shaft is an obtuse angle, and an angle between another slope of the limiting slope and a connecting line of the rotating shaft is a right angle or an acute angle.

11. The fastening member according to claim 4, wherein the cross-section of the rotating shafts is circular, the bottom plate between two rotating shafts is provided with an upper hanging plate and a lower hanging plate which are parallel, the lower hanging plate is longer than the upper hanging plate, a lower groove facing the upper hanging plate is arranged along the length direction of the lower hanging plate, and an upper groove facing the lower groove is arranged along the length direction of the upper hanging plate; the bottom plate is provided with an elastic body, the elastic body is in an elastic bending shape, after the elastic body is extruded by elasticity, the middle part of the elastic body is abutted against the rotating body and rotates after the rotating body, the middle part of the elastic body is abutted against the rotating shaft and is opposite to the edge of the rotating body to generate a limiting fixing effect, two sides of the elastic body are hooked on the corner of the upper hanging plate, one free end of the elastic body is pressed on the corner of the lower hanging plate, the other free end of the elastic body is provided with a notch, and the notch is pressed in the lower groove.

12. A decorative material fixing assembly, which is characterized by comprising the fixing fastener and the decorative material according to claim 2 or 4, wherein two ends of the inner side surface of the decorative material are respectively provided with a clamping groove, the end part of each clamping groove is provided with a closing-in part, the closing-in parts abut against the space between the adjacent first blocking piece and the adjacent second blocking piece to press the decorative material, and the closing-in parts drive the rotating bodies to rotate and fix.

13. A subassembly is fixed in decoration material, characterized by, includes fixed fastener and decoration material of claim 3, 5 or 6, be equipped with on the medial surface of decoration material and be used for fixing the slot of limiting plate, the both ends of the medial surface of decoration material respectively are equipped with a draw-in groove, the tip of draw-in groove is equipped with a binding off portion, binding off portion supports and leans on near first separation blade with space between the second separation blade presses the decoration material, the binding off portion drives it is fixed to rotate to turn.

14. A decorative material fixing assembly is characterized by comprising the fixing fastener and a decorative material, wherein the decorative material comprises a decorative strip, an upper side plate and a lower side plate, a cushion block is fixed between the upper side plate and the lower side plate, the fixing fastener is fixed on the cushion block, a clamping groove is formed in the inner side surface of the decorative strip, two opposite closing-up portions are arranged at the end portions of the clamping groove, the closing-up portions abut against the space between the first blocking piece and the second blocking piece, the decorative material is pressed, and the closing-up portions drive the rotating body to rotate and fix.

15. A decorative material fixing assembly, which is characterized by comprising the fixing fastener and the decorative material, wherein the fixing fastener and the decorative material are in accordance with claim 7, a clamping groove is formed in the inner side surface of the decorative material, two opposite closing-in parts are formed in the end parts of the clamping groove, the closing-in parts abut against the space between the first blocking piece and the second blocking piece, the decorative material is pressed, and the closing-in parts drive the rotating bodies to bypass the maximum radius of the rotating shaft and be fixed.

16. A decorative material fixing assembly, which comprises the fixing fastener and the decorative material according to any one of claims 8 to 10, wherein a clamping groove is formed in the inner side surface of the decorative material, two opposite closing parts are formed at the end parts of the clamping groove, the closing parts abut against the space between the first blocking piece and the second blocking piece to press the decorative material, and the closing parts drive the maximum inner diameter of the rotation body to rotate out of the limiting slope to be limited and fixed by one slope surface of the limiting slope.

17. A decorative material fixing assembly, which comprises the fixing fastener and the decorative material of claim 11, wherein a clamping groove is formed in the inner side surface of the decorative material, two opposite closing parts are formed at the end parts of the clamping groove, the closing parts abut against the space between the first blocking piece and the second blocking piece to press the decorative material, the closing parts drive the swivel body to rotate, and the middle part of the elastic body abuts against the rotating shaft to limit and fix the edge of the swivel body; the two ends of the elastic body are fixed in the clamping grooves of the decoration material.

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