CN113833228B - Floor lock and floor - Google Patents

Abstract

The present application discloses a floor lock, which includes a board body, the board body includes an upper surface for a use surface, and the opposite sides of the board body are respectively provided with a tongue and/or a tongue groove; the tongue is provided with There is a first connection part of the tongue, and the first connection part of the tongue is provided with a tongue protrusion arranged obliquely relative to the upper surface; The upper part is provided with a tongue-and-groove depression inclined relative to the upper surface; the tongue protrusion is embedded in the tongue-and-groove depression. The present application also discloses a floor including the floor lock. After the tongue protrusion described in this application is embedded in the tongue groove depression, it can provide the longitudinal and transverse shear and tensile strength of the incoming material at the same time; at the same time, it is easy to install, and the requirements for the rigidity and toughness of the floor are lowered, which reduces the production cost. Processing difficulty.

Description

Floor lock and floor

technical field

The present application relates to the field of floors, in particular to a floor lock and a floor.

Background technique

Stone-plastic floor is a kind of floor decoration material that can be recycled. It has the characteristics of zero formaldehyde, mildew resistance, moisture resistance, fire prevention, insect resistance, and simple installation. It is very popular in some regional markets. With its excellent stability and durability, It not only solves the problem of moisture, deformation and mildew of solid wood flooring, but also solves the environmental protection problem of formaldehyde of other decoration materials. It is a completely safe material for covering residential and public environments. As a floor decoration material, most of the stone-plastic floors currently on the market are designed with locks. The short sides are locked with elastic tenons and grooves in the vertical direction. The locks enter the process and lift up each other. The material is required to have a good The tenacity or elasticity of the tenon is very easy to break when used on a hard floor, resulting in the lack of a limit point in the vertical direction, which in turn causes the lock to disengage. During the installation process, the elastic tenon needs to be pushed back, and a downward force is generated at this time, or the material is too hard and the toughness is insufficient, resulting in fracture, which in turn causes the entire locking system to fail.

Contents of the invention

The object of the present invention is to provide a floor lock and floor, which solves the problems in the related art that the lock is detached due to insufficient binding force of the lock and the lock is easy to break during installation.

In order to solve the above technical problems, the present invention provides a floor lock, comprising:

The upper side of the board body is provided with an upper surface for use, and the opposite sides of the board body are respectively provided with a tongue and/or a tongue groove; the tongue is provided with a first connecting part of the tongue, and the tongue The first connecting part is provided with a tongue protrusion inclined relative to the upper surface; the tongue groove is provided with a first connecting part of the tongue and groove, and the first connecting part of the tongue and groove is provided with a tongue groove recess arranged obliquely relative to the upper surface part; the tongue protrusion is embedded in the tongue groove depression.

Further, the first tongue connecting portion includes a first tongue butt joint inclined surface inclined relative to the upper surface, and the tongue protrusion protrudes obliquely upward on the first tongue butt joint inclined plane; The first tongue-and-groove connection part includes a first tongue-and-groove butt joint slope which is arranged obliquely relative to the upper surface and matched with the first tongue-and-groove joint slope. enter.

Further, the tongue protruding part is a square or arc-shaped protruding part, and the tongue protruding part is connected with the first tongue protruding surface and the third tongue protruding surface connected with the first tongue butt slope. Both are perpendicular to the first tongue butt joint slope, and the convex top surface of the tongue protrusion is parallel to the first tongue joint slope. The mortise recessed part is a square or arc-shaped recess corresponding to the protruding part of the tongue, and the mortise recessed part is connected with the first mortise recessed surface and the third mortise The recessed surfaces of the grooves are all perpendicular to the first mortise-joining inclined plane, and the recessed bottom surface of the mortise-groove recessed part is parallel to the first mortise-joining inclined plane.

Further, the intersection of the convex top surface and the third tongue convex surface is provided with a tongue convex chamfer.

Further, a groove chamfer is provided at the intersection of the first tongue-and-groove butt joint slope and the first tongue-and-groove concave surface.

Further, the tongue is provided with a second connection part of the tongue, and the second connection part of the tongue is provided with a concave part of the tongue; the groove includes a second connection part of the tongue and groove, and the second connection part of the tongue and groove The tongue-and-groove protrusion is provided on the part; the tongue-and-groove protrusion is embedded in the tongue-and-groove depression.

Further, the second connection part of the tongue includes a fifth connection surface of the tongue, and the concave part of the tongue includes a first concave surface of the tongue, a second concave surface of the tongue, a third concave surface of the tongue, and a fourth concave surface of the tongue surface; between the fifth joint surface of the tongue and the first tongue concave surface, there is a first tongue concave chamfer; between the second tongue concave surface and the third tongue concave surface, there is a second The tongue is concave and chamfered, and the fourth tongue concave surface is arc-shaped. The second joint of the tongue and groove comprises a fifth joint of the tongue, and the projection of the tongue and groove comprises a first convex surface of the tongue and groove, a second convex surface of the tongue and groove, a third convex surface of the tongue and groove, and a fourth convex surface of the tongue and groove. Convex surface; the first tenon groove protruding chamfer is provided between the fifth joint surface of the tongue and the first tenon groove protruding surface, and the second tenon groove protruding surface and the third tenon groove protruding surface A second protruding chamfer is provided between the surfaces, and the fourth protruding surface of the mortise is arc-shaped.

Further, a first chamfer of the tongue is provided between the fifth connection surface of the tongue and the first butt joint slope; The first chamfer of the tongue and groove.

Further, the thickness of the tongue is 3-7mm, and the thickness of the groove is 3-7mm; the distance between the first tongue-joint slope and the upper surface is 0.8-1.2mm, and the first tongue-groove slope is 0.8-1.2mm. The distance from the upper surface is 0.8-1.2mm; the width of the first tongue convex surface is 0.6-1.0mm, and the width of the first tongue-groove concave surface is 0.6-1.0mm; the plate body includes a lower surface, The distance between the fifth joint surface of the tongue and the lower surface is 1.1-1.5mm, and the distance between the fifth joint surface of the tongue and the lower surface is 0.8-1.1mm; The distance between the lower surface is 0.3-0.7mm, the distance between the lower end of the fourth tenon groove convex surface and the lower surface is 0.3-0.7mm; the distance between the second tongue concave surface and the lower surface is 1.8- 2.2mm, the distance between the second tenon groove convex surface and the lower surface is 1.8-2.2mm; the tongue convex chamfering radius is 0.4-0.6mm; the tenon groove concave chamfering chamfering The radius is 0.2-0.4mm; the first chamfering radius of the tongue is 0.15-0.25mm, and the second angle between the first tongue butt joint slope and the third surface of the tongue is 50- 70°; the chamfering radius of the first chamfer of the mortise is 0.15-0.25mm, and the second angle of the mortise between the butt joint slope of the first mortise and the third surface of the mortise is 50-70°; The radian radius of the fourth tongue concave surface is 0.5-0.7mm, and the radian radius of the fourth tongue groove convex surface is 0.5-0.7mm; the first tongue formed by the tongue protrusion and the upper surface The included angle is 40-80°, and the first included angle of the tongue groove formed by the mortise recess and the upper surface is 40-80°; the first tongue concave surface and the second tongue The third angle of the tongue formed by the concave surface is 120-160°, and the third angle of the tongue formed by the first tongue-groove convex surface and the fifth connecting surface of the tongue is 120-160°; The fourth included angle of the tongue formed by the second tongue concave surface and the third tongue concave surface is 105-115°, and the second tongue groove convex surface and the third tongue groove convex surface The fourth included angle of the tongue and groove formed by the surface is 105-115°.

According to another aspect of the present invention, a floor is provided, including the floor latch described in any one of the above.

Compared with the prior art, the present application has the following advantages:

When the tongue protrusion of the first tongue connection part is embedded in the tongue groove depression of the first tongue and groove connection part, it can simultaneously provide shear and tensile strength of the incoming material in the longitudinal direction and transverse direction ;The lock adopts an oblique insertion design. Through the cooperation of shape and size, the installation can be easily realized by relying on the gravity carried by the floor itself and pressing down with a certain external force, which further reduces the difficulty of installation; at the same time, there is no need to apply The large external force avoids the external force damage caused by the uneven force caused by the use of tools, which reduces the rigidity, toughness and strength requirements of the floor, and reduces the difficulty of production and processing.

Description of drawings

Figure 1 is a schematic diagram of the prior art.

Figure 2 is a combined sectional view of the tongue and groove described in the present application.

Figure 3 is a cross-sectional view of the tongue described in the present application

FIG. 4 is a partial enlarged view A in FIG. 3 .

FIG. 5 is a partial enlarged view B in FIG. 3 .

Fig. 6 is a cross-sectional view of the tongue and groove described in the present application.

FIG. 7 is a partial enlarged view C in FIG. 6 .

FIG. 8 is a partial enlarged view D in FIG. 6 .

Fig. 9 is a schematic diagram of the floor latch described in the present application.

Figure 10 is a schematic illustration of a tongue as described in the present application.

Fig. 11 is a schematic diagram of the tongue and groove described in the present application.

Figure 12 is a schematic diagram of the floor installation process described in the present application.

Fig. 13 is a schematic diagram of the floor installation process described in the present application.

Fig. 14 is a schematic diagram of the completed floor installation of the present application.

Detailed ways

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in FIG. 1 , in the prior art, in the vertical direction, only the protrusion 100 and the groove 200 cooperate to form a vertical binding force, which is relatively small and easily causes the lock to disengage.

As shown in Figures 2-9, in this embodiment, a floor lock includes: a board body 3, the upper side of the board body 3 is provided with an upper surface 5 for use, and the opposite sides of the board body 3 The tongue 1 and/or the tongue groove 2 are respectively provided; the tongue 1 is provided with a first tongue connection part 11, and the first tongue connection part 11 is provided with a tongue protrusion arranged obliquely relative to the upper surface 5 part 13; the tongue groove 2 is provided with a first tongue and groove connecting portion 21, and the first tongue and groove connecting portion 21 is provided with a tongue and groove recessed portion 23 inclined relative to the upper surface 5; the tongue protrusion portion 13 Embedding in the tongue-and-groove depression 23, by making the tongue protrusion 13 and the tongue-and-groove depression 23 inclined, it can be designed to be larger in size, have greater strength, and strengthen The horizontal and vertical binding force can effectively solve the problem of vertical lock detachment.

Preferably, the first tongue connecting portion 11 includes a first tongue butt joint slope M11 inclined relative to the upper surface 5, and the tongue protrusion 13 is inclined upward by the first tongue joint slope M11 Protrusion; the first tongue-and-groove connection part 21 includes a first tongue-and-groove butt bevel M21 that is inclined relative to the upper surface 5 and matched with the first tongue-and-groove butt bevel M11. The first tongue-and-groove butt joint slope M21 is inclined upward and concave.

Preferably, the tongue protrusion 13 is a square protrusion, and the tongue protrusion 13 is connected to the first tongue protrusion surface M131 and the third tongue protrusion surface M11 connected to the first tongue mating slope M11 M133 are all perpendicular to the first tongue mating slope M11, and the convex top surface M132 of the tongue protrusion 13 is parallel to the first tongue mating slope M11. The tenon-groove depression 23 is a square depression, and the first tenon-groove depression surface M231 and the third tenon-groove depression surface M233 connected to the first tenon-groove depression surface M21 of the tongue-groove depression 23 are both connected to the first tenon-groove depression surface M233. The groove connecting slope M21 is vertical, and the concave bottom surface M232 of the tongue-and-groove recess 23 is parallel to the first tongue-groove connecting slope M21 .

Preferably, the intersection of the convex top surface M132 and the third tongue convex surface M133 is provided with a tongue convex chamfer 115 to make the installation smoother and more convenient.

Preferably, a mortise chamfer 213 is provided at the intersection of the first mortise butt joint slope M21 and the first mortise surface M231 , so that the installation is smoother and more convenient.

Preferably, the tongue 1 is provided with a second tongue connecting portion 12, and the second tongue connecting portion 12 is provided with a tongue depression 14; the tongue groove 2 includes a second tongue and groove connecting portion 22, so The second tongue-and-groove connecting portion 22 is provided with a tongue-and-groove protrusion 24; the tongue-and-groove protrusion 24 is embedded in the tongue-and-groove depression 14, adding a connecting portion to provide a stronger connection performance.

Preferably, the second tongue connection part 12 includes a fifth tongue connection surface M15, and the tongue depression 14 comprises a first tongue depression surface M141, a second tongue depression surface M142, and a third tongue depression surface M143 , the fourth tongue concave surface M144; the first tongue concave chamfer 121 is provided between the fifth tongue connection surface M15 and the first tongue concave surface M141, and the second tongue concave surface M142 and A second tongue depression chamfer 123 is provided between the third tongue depression surface M143, and the fourth tongue depression surface M144 is arc-shaped. The second tongue-and-groove connection part 22 includes a fifth tongue-and-groove connection surface M25, and the tongue-and-groove protrusion 24 includes a first tongue-and-groove protrusion surface M241, a second tongue-and-groove protrusion surface M242, a third tongue-and-groove protrusion surface M243, the fourth tongue and groove convex surface M244; the first tongue and groove convex chamfer 221 is provided between the fifth tongue connection surface M25 and the first tongue and groove convex surface M241, and the second tongue and groove A second protruding chamfer 223 is provided between the protruding surface M242 and the third protruding surface M243 of the tenon groove, and the fourth protruding surface M244 of the tenon groove is arc-shaped.

Preferably, a first tongue chamfer 117 is provided between the fifth tongue connection surface M15 and the second tongue inclined surface M12; the fifth tongue connection surface M25 is inclined to the second tongue surface A first chamfer 217 of the tongue and groove is provided between the surfaces M12.

Preferably, as shown in Figure 10-11, the thickness D11 of the tongue 1 is 3-7 mm, the thickness D12 of the tongue groove 2 is 3-7 mm; the distance between the first tongue butt slope M11 and the upper surface 5 D12 is 0.8-1.2mm, and the distance D22 between the first tongue-and-groove butt slope M21 and the upper surface 5 is 0.8-1.2mm; the width D13 of the first tongue protruding surface M131 is 0.6-1.0mm, and the first The width D23 of a tongue and groove concave surface M231 is 0.6-1.0 mm; the board body 3 includes a lower surface 6, and the distance D14 between the fifth connecting surface M15 of the tongue and the lower surface 6 is 1.1-1.5 mm. The distance D24 between the fifth tongue connecting surface M25 and the lower surface 6 is 0.8-1.1 mm; the distance D16 between the lower end of the fourth tongue concave surface M144 and the lower surface 6 is 0.3-0.7 mm, and the fourth tongue groove The distance D26 between the lower end of the convex surface M244 and the lower surface 6 is 0.3-0.7mm; the distance D15 between the second tongue concave surface M142 and the lower surface 6 is 1.8-2.2mm, and the second tongue groove protrudes The distance D25 between the surface M242 and the lower surface 6 is 1.8-2.2mm; the chamfering radius of the tongue protruding chamfer 115 is 0.4-0.6mm; the chamfering radius of the tongue groove concave chamfering 213 is 0.2-0.4mm The first chamfering radius of the tongue 117 is 0.15-0.25 mm, and the second angle A12 between the second inclined surface M12 of the tongue and the third surface M13 of the tongue is 50-70° The chamfering radius of the first chamfer 217 of the mortise is 0.15-0.25mm, and the second angle A22 between the second inclined surface M22 of the mortise and the third surface M23 of the mortise is 50-70° The radius of the arc of the fourth tongue concave surface M144 is 0.5-0.7mm, and the radius of arc of the fourth tongue groove convex surface M244 is 0.5-0.7mm; the tongue protrusion 13 and the upper surface 5 The first angle A11 of the tongue formed is 40-80°, and the first angle A21 of the tongue and groove formed by the concave part 23 and the upper surface 5 is 40-80°; The third tongue angle A13 formed by the tongue concave surface M141 and the second tongue concave surface M142 is 120-160°, the first tongue and groove convex surface M241 and the fifth tongue connecting surface M25 The formed third tongue angle A23 is 120-160°; the fourth tongue angle A14 formed by the second tongue concave surface M142 and the third tongue concave surface M143 is 105-115° The fourth mortise angle A24 formed by the second mortise protruding surface M242 and the third mortise protruding surface M243 is 105-115°.

The present application also provides a floor, including the above-mentioned floor lock.

As shown in Figure 12-14, when installing the floor, place the two floors first, and insert one of the tongues 1 into the groove 2 at an angle of more than 25° until the first tongue chamfer 121 and The top 222 of the first tenon-groove convex surface M241 is in contact. At this time, the left floor is pressed down, and the second joint part 22 of the tenon-groove is elastically deformed and moves downward, which is the lateral movement of the first tenon groove chamfer 121 on the tongue 1. Make way for the moving space, after the first tongue chamfer 117 on the first tongue connecting part 11 and the first tongue groove first chamfer 217 on the second tongue and groove connecting part 22 are in contact with each other, the lateral movement reaches the limit. Press to make the tongue protrusion chamfer 115 on the tongue 1 enter the tenon groove depression 23 until the tongue protrusion chamfer 115 contacts the bottom of the tongue groove depression 23 in place, and the tongue protrusion 13 and the tenon groove depression The tongue part 23 is in place, the tongue recess 14 is in contact with the tongue and groove protrusion 24, and the clasp forms an interlock.

Claims (8)

1. A floor latch comprising:

the plate comprises a plate body (3), wherein the upper side of the plate body is provided with an upper surface (5) for use, and two opposite sides of the plate body (3) are respectively provided with a tenon (1) and/or a mortise (2);

the tongue (1) is provided with a first tongue connecting part (11), and the first tongue connecting part (11) is provided with a tongue protruding part (13) which is obliquely arranged relative to the upper surface (5);

the mortise (2) is provided with a mortise first connecting part (21), and the mortise first connecting part (21) is provided with a mortise concave part (23) which can be matched and connected with the tenon convex part (13);

the tongue protruding part (13) is embedded into the mortise groove sunken part (23);

the first tongue connecting part (11) comprises a first tongue butt inclined plane (M11) which is obliquely arranged relative to the upper surface (5), and the tongue protruding part (13) is upwards obliquely protruded on the first tongue butt inclined plane (M11);

the first tongue-and-groove connecting part (21) comprises a first tongue-and-groove butt inclined plane (M21) which is obliquely arranged relative to the upper surface (5) and is in matched butt joint with the first tongue-and-groove butt inclined plane (M11), and the tongue-and-groove sunken part (23) is obliquely and upwards recessed from the first tongue-and-groove butt inclined plane (M21);

the tongue protruding part (13) is a square or circular arc protrusion, a first tongue protruding surface (M131) and a third tongue protruding surface (M133) of the tongue protruding part (13) connected with a first tongue butt joint inclined surface (M11) are both vertical to the first tongue butt joint inclined surface (M11), and a protruding top surface (M132) of the tongue protruding part (13) is parallel to the first tongue butt joint inclined surface (M11);

the tongue groove sunken part (23) is a square or circular arc sunken part corresponding to the tongue protruding part (13), a first tongue groove sunken surface (M231) and a third tongue groove sunken surface (M233) of the tongue groove sunken part (23) connected with the first tongue groove butt joint inclined surface (M21) are perpendicular to the first tongue groove butt joint inclined surface (M21), and a sunken bottom surface (M232) of the tongue groove sunken part (23) is parallel to the first tongue groove butt joint inclined surface (M21).

2. The floor latch as claimed in claim 1, wherein a tongue protrusion chamfer (115) is provided at the intersection of the protrusion top surface (M132) and the third tongue protrusion surface (M133).

3. A floor latch as claimed in claim 2, characterized in that the intersection of the first tongue-and-groove abutment slope (M21) and the first tongue-and-groove depression face (M231) is provided with a tongue-and-groove depression chamfer (213).

4. The floor locking according to claim 3, wherein the tongue (1) is provided with a tongue second connecting part (12), the tongue second connecting part (12) being provided with a tongue recess (14);

the mortise (2) comprises a mortise second connecting part (22), and the mortise second connecting part (22) is provided with a mortise protruding part (24);

the tongue groove protrusion (24) is embedded in the tongue recess (14).

5. The floor covering according to claim 4, wherein the tongue second connection part (12) comprises a tongue fifth connection surface (M15), the tongue recess (14) comprises a first tongue recess surface (M141), a second tongue recess surface (M142), a third tongue recess surface (M143), a fourth tongue recess surface (M144); a first tongue concave chamfer (121) is arranged between the fifth tongue connecting surface (M15) and the first tongue concave surface (M141), a second tongue concave chamfer (123) is arranged between the second tongue concave surface (M142) and the third tongue concave surface (M143), and the fourth tongue concave surface (M144) is arc-shaped;

the mortise second connecting part (22) comprises a fifth connecting surface (M25) of the tenon, and the mortise convex part (24) comprises a first mortise convex surface (M241), a second mortise convex surface (M242), a third mortise convex surface (M243) and a fourth mortise convex surface (M244); the fifth joint face (M25) of tenon with be equipped with first tongue-and-groove protruding chamfer (221) between first tongue-and-groove protruding face (M241), be equipped with second tongue-and-groove protruding chamfer (223) between second tongue-and-groove protruding face (M242) and third tongue-and-groove protruding face (M243), fourth tongue-and-groove protruding face (M244) is the arc.

6. The floor locking device as claimed in claim 5, wherein a first tongue chamfer (117) is provided between the fifth tongue connection surface (M15) and the first tongue abutment bevel (M11); a mortise first chamfer (217) is arranged between the fifth connecting surface (M25) of the tenon and the butt-joint inclined surface (M11) of the first tenon.

7. The floor covering according to claim 6,

the thickness (D11) of the tenon (1) is 3-7mm, and the thickness (D12) of the mortise (2) is 3-7mm;

the distance (D12) between the first tenon butting inclined plane (M11) and the upper surface (5) is 0.8-1.2mm, and the distance (D22) between the first mortise butting inclined plane (M21) and the upper surface (5) is 0.8-1.2mm;

the width (D13) of the first tongue protruding surface (M131) is 0.6-1.0mm, and the width (D23) of the first groove recessed surface (M231) is 0.6-1.0mm;

the plate body (3) comprises a lower surface (6), the distance (D14) between a fifth joint surface (M15) of the tenon and the lower surface (6) is 1.1-1.5mm, and the distance (D24) between a fifth joint surface (M25) of the tenon and the lower surface (6) is 0.8-1.1mm;

the distance (D16) between the lower end of the fourth tongue concave surface (M144) and the lower surface (6) is 0.3-0.7mm, and the distance (D26) between the lower end of the fourth tongue groove convex surface (M244) and the lower surface (6) is 0.3-0.7mm;

the second tongue depression surface (M142) is at a distance (D15) of 1.8-2.2mm from the lower surface (6), and the second groove projection surface (M242) is at a distance (D25) of 1.8-2.2mm from the lower surface (6);

the chamfer radius of the tongue bulge chamfer (115) is 0.4-0.6mm;

the chamfer radius of the mortise concave chamfer (213) is 0.2-0.4mm;

the chamfer radius of the first tongue chamfer (117) is 0.15-0.25mm, and the second tongue included angle (A12) between the first tongue butt joint inclined plane (M11) and the third tongue surface (M13) is 50-70 degrees;

the chamfer radius of the first chamfer (217) of the mortise is 0.15-0.25mm, and a second mortise included angle (A22) between the first mortise butt-joint inclined plane (M21) and a third mortise surface (M23) is 50-70 degrees;

the radian radius of the fourth tongue concave surface (M144) is 0.5-0.7mm, and the radian radius of the fourth groove convex surface (M244) is 0.5-0.7mm;

the first tenon included angle (A11) formed by the tenon protruding part (13) and the upper surface (5) is 40-80 degrees, and the first mortise included angle (A21) formed by the mortise recessed part (23) and the upper surface (5) is 40-80 degrees;

the first tongue recess surface (M141) and the second tongue recess surface (M142) form a third tongue included angle (A13) of 120-160 DEG, and the first groove protrusion surface (M241) and the fifth tongue connection surface (M25) form a third tongue included angle (A23) of 120-160 DEG;

the second tongue recess surface (M142) and the third tongue recess surface (M143) form a tongue fourth angle (A14) of 105-115 degrees, and the second groove projection surface (M242) and the third groove projection surface (M243) form a groove fourth angle (A24) of 105-115 degrees.

8. A floor panel comprising the floor panel fastener of any one of claims 1 to 7.

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