CN108643512B - Lock catch structure and solid wood composite floor with same - Google Patents
Lock catch structure and solid wood composite floor with same Download PDFInfo
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- CN108643512B CN108643512B CN201810609249.0A CN201810609249A CN108643512B CN 108643512 B CN108643512 B CN 108643512B CN 201810609249 A CN201810609249 A CN 201810609249A CN 108643512 B CN108643512 B CN 108643512B
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- Prior art keywords
- tongue
- locking
- mortise
- tenon
- female
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/03—Undercut connections, e.g. using undercut tongues or grooves
Abstract
The application discloses a lock catch structure, which comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder, a tenon locking surface for forming the tail part of the tenon and a locking groove formed by the tenon locking surface and a floor block main body, and the mortise mechanism comprises a mortise upper shoulder, a mortise, a locking piece inserted into the locking groove, a concave mortise between the mortise and the locking piece and a mortise locking surface for forming the boundary between the mortise and the locking piece; the thickness of the female mortises accounts for 31.2% -34.9% of the total thickness of the floor block main body. The locking device has the advantage that the locking tightness can be adjusted by adjusting the meshing gap.
Description
Technical Field
The application relates to the technical field of mechanical connection and locking structures of floors, in particular to a locking structure applied to a solid wood composite floor; meanwhile, the application also relates to a solid wood composite floor with the lock catch structure.
Background
As is well known, locking structures, in particular finger lock structures, are used to lock adjacent floor panels in a locked position without glue. In recent years, the variety of latch structures designed for solid wood composite floors is wide. These improved latch designs are essentially derived from the solutions disclosed in WO 97/47834 (applicant Unilin Beeher b.v., netherlands). In this patent, a locking structure as shown in fig. 1 is disclosed, depending on the determination of the four faces of the abutment face 1, the upper tongue interface 2, the lower tongue interface 3, and the locking face 14, so as to fix the positional relationship between the floor panels a and b. In this solution, the transverse connection strength between the floorboards a and b is improved by adjusting the locking angle α of the locking surface 4. It will be appreciated by those skilled in the art that the closer the locking angle α is to 90 °, the higher the strength of the lateral connection between the floorboards a and b; however, the difficulty in installation between the floorboards a and b increases as the locking angle α approaches 90 °, and thus, in this patent, the effective locking angle α is 55 ° -65 °.
Among the solutions of many improved latch constructions, the one disclosed in WO 2001/077461 (applicant Valinge Aluminium AB, sweden) is most effective and has long been accepted by the market. In this patent a locking structure is disclosed as shown in fig. 2 and 3, which is improved in that a transition surface 6 is added between the clearance 5 and the locking surface 4 to enlarge the space of the tongue, compared to the locking structure shown in fig. 1. Even as shown in fig. 3, the structure of the lower tongue interface 3 and the clearance 5 is omitted, and the transition surface 6 is directly formed, which is improved in order to obtain a larger tongue space. When the space of the tongue is enlarged, the tongue of the floor panel b can be easily fitted into the tongue of the floor panel a even if a larger locking angle alpha is used. In the solution of this patent, the locking angle α can be up to 80 ° at maximum.
The technical proposal is mature and applied to the peripheral tongue-and-groove treatment of the laminate floor (namely, the laminate floor which takes a medium/high density fiber board as a core layer, decorative paper as a surface layer and balance paper as a bottom layer). However, as known to those skilled in the art, when the latch structure is applied to a solid wood composite floor (especially a multi-layer solid wood composite floor), the splicing is very difficult, and the joint installation is difficult. If the locking angle alpha is adjusted to be small, the joint installation can be easily performed, but the transverse connection strength between the adjacent floor boards is weakened. When the floor block is reduced in width direction in a dry environment, the transverse connection strength is insufficient to fix the positional relationship between the floor block and the floor block, so that a splicing gap occurs, and even a condition that the male tongue slips out of the female tongue occurs.
Thus, in the solid wood composite flooring product manufactured by the company Valinge Aluminium, which is commercially available, the structure actually used is a latch structure as shown in fig. 4. As can be seen from fig. 4, the actual manufactured and marketed structure uses significantly less mortise and tenon space and a smaller locking angle a, which is approximately 60 °. And in order to ensure the mounting stability of the locking structure, the engagement gap 7 is increased, and the engagement gap 7 is about 0.2mm. The structure of the engagement gap 7 is contrary to the description of the "engagement of locking surfaces" disclosed in the specification of CN 1196839C (vandergar aluminum industry limited, sweden) at page 19, paragraph 6, and the engagement gap 7 is increased in order to more easily install the tongue into the tongue while securing a locking angle of not less than 55 °. However, as is well known to those skilled in the art, such a design, while allowing for ease of installation, also ensures the transverse connection strength of the locking structure, allows for over-loosening, i.e., loose locking, of the splice between the installed floor panels a, b. It is well known that loose locking is a major cause of the rattling of the installation, and thus loose locking is not satisfactory for the manufacturing requirements of solid wood composite floors, especially multi-layer solid wood composite floors.
In summary, when the latch structure of the prior art is applied to manufacturing a tongue-and-groove of a solid wood composite floor, one or more problems of installation noise, difficulty in installation, weak latch connection strength and the like occur. Therefore, the method for adjusting the locking angle to adjust the locking strength of the solid wood composite floor cannot achieve the optimal state in three aspects of locking strength, locking tightness and installation easiness.
Disclosure of Invention
In order to avoid the technical contradiction, it is known to those skilled in the art that in the manner of adjusting the locking tightness of the laminate flooring, one possible way is to reduce the engagement gap 7, after which the engagement gap 7 is reduced, the tongue is not movable between the abutment surface 1 and the locking surface 4, or the movable range is reduced, so that the locking tightness is tightened. However, this approach is not suitable for the adjustment of the latch structure of the solid wood composite floor because, as mentioned above, reserving a larger engagement gap is a necessary sacrifice to balance the mortise space and the locking angle.
The invention aims to solve the technical problem that the approach for adjusting the meshing gap is not suitable for the contradiction of locking tightness adjustment of the solid wood composite floor, thereby providing an improved locking structure, and the approach for adjusting the size of the meshing gap is suitable for the locking tightness adjustment of the solid wood composite floor. By reducing the engagement gap while retaining a certain mortise and tenon space and a certain locking angle, adjacent floor blocks are tightly matched after installation, and thus, the requirements of sufficient locking strength (avoiding tenon slipping), high installation tightness (avoiding installation rattle) between the floor blocks and easy installation are simultaneously met.
The inventor finds that the essential reason of difficult installation of the solid wood composite floor is not the reason of too large length of the male tenons, too small space of the female tenons or too large locking angle and the like after long-term production practice and research experiments, and the essential reason of the invention is that the solid wood composite floor has a plurality of limitations on the adjustment of the lock catch size because the solid wood composite floor is a balanced structure formed by compounding a plurality of layers of structures. It is known that solid wood composite floors, particularly multi-layer solid wood composite floors, are obtained by vertically and horizontally stacking and laminating a plurality of veneers. For example, the multi-layer solid wood composite floor is a 12-layer composite structure which is obtained by vertically and horizontally superposing 11 core layer veneers to form a core layer and simultaneously compositing 1 surface layer. I.e. the fiber direction of any one veneer is perpendicular to the fiber directions of the veneer of the upper layer and the veneer of the lower layer. In the process of vertically and horizontally stacking, the transverse deformation and/or the longitudinal deformation of any layer of single plate are counteracted by the involvement of the upper layer of single plate and/or the lower layer of single plate, so that the overall stability of the composite structure is achieved (the size is little or not influenced by the change of the external environment).
During the manufacturing process of the locking structure, the stable equilibrium state of the composite structure at the mortise and tenon is obviously destroyed. In particular, the designs of the locking structures in the prior art are all designed based on the material characteristics of the reinforced floor, and the base material of the reinforced floor has uniformity of materials, so as to ensure the structural strength of the tongue and the strength of the upper shoulder (the joint seam) of the tongue during pedaling, designs as shown in fig. 2, 3 and 4 are selected, that is, the thickness H1 of the upper shoulder of the tongue and the thickness H2 of the tongue are obviously greater than the thickness H3 of the groove of the female tongue when viewed in the thickness direction of the floor block, and approximately, h1:h2:h3=1.6:1.4:1. While such a selection is made for the material properties of the laminate flooring and the laminate flooring is significantly different from the material properties of the solid wood composite flooring, the prior art latch structures of the solid wood composite flooring still use such proportions. Therefore, the thickness H3 of the female dovetail groove is too small, and the mutual constraint balancing between the veneer layers is disabled, resulting in deformation of the female dovetail groove during storage after the completion of the manufacture according to the design size, which directly results in a latch that can be easily installed during the installation according to the design size simulation, but is difficult to install in actual installation, and the engagement gap has to be increased, thereby causing the problem of installation rattle. On the other hand, the solid wood composite floor is different from the reinforced floor in that the upper shoulder of the male tenon and the upper shoulder of the female tenon of the reinforced floor are made of uniform fiber materials, and the upper shoulder of the male tenon and the upper shoulder of the female tenon of the solid wood composite floor adopt a surface board taking precious hard broad-leaved wood as raw materials to a certain extent, and the material strength of the surface board is far higher than that of a base material made by laminating fast-growing wood veneers, so that the reduction of the thickness of the upper shoulder of the male tenon and the upper shoulder of the female tenon does not affect the strength of a joint gap of the upper shoulder of the male tenon and the upper shoulder of the female tenon.
One embodiment of the invention discloses a lock catch structure, which comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder, a tenon locking surface for forming the tail part of the tenon and a locking groove formed by the tenon locking surface and a floor block main body, and the mortise mechanism comprises a mortise upper shoulder, a mortise, a locking piece inserted into the locking groove, a grooved mortise between the mortise and the locking piece and a mortise locking surface for forming the boundary between the mortise and the locking piece; the thickness of the female mortises accounts for 31.2% -34.9% of the total thickness of the floor block main body.
In the technical scheme, the thickness of the female mortises accounts for about 1/3 of the total thickness of the floor block main body, so that the female mortises have enough thickness, namely enough veneer layers and glue layers between the veneer layers, and participate in the transverse and longitudinal involvement of the veneer layers. Thus, the composite material at the mortise of the mother tenon manufactured after cutting still has the combination, the involvement and the balance of a plurality of veneer layers and still has the stability. When the composite material at the female mortises has stability, the female mortises do not generate or slightly deform in the storage process, and the sizes of the locking structures and the design structures are consistent or at least approximately consistent, so that the problem that the locking structures are difficult to install due to the deformation of the female mortises is effectively avoided, and finally, the locking structures applied to the solid wood composite floor can also be adjusted by adjusting the meshing gaps.
As a further preference, the thickness of the female dovetail groove corresponds to the following relation: (33%. Times.H-0.2 mm) < H3 < (33%. Times.H+0.2 mm), where H is the total thickness of the floor panel body and H3 is the thickness of the female tongue-and-groove.
In this technical solution, the thickness of the female tongue-and-groove should fall within the range of (33%. Times. Total thickness of the floorboard body.+ -. 0.2 mm).
As a further preferable mode, the inclination angle of the male tenon locking surface is 60-65 degrees, and the inclination angle of the female tenon locking surface is 60-65 degrees; the ratio of the groove bottom width of the female mortise to the thickness of the female mortise is (1.04-1.30): 1.
as a further preferable mode, when the upper shoulder of the male tenon abuts against the upper shoulder of the female tenon, an engagement gap is formed between the male tenon locking surface and the female tenon locking surface, and the size of the engagement gap is 0.05 mm-0.08 mm.
In the technical scheme, when the application scene of the solid wood composite floor is in a region which is drier throughout the year, the floor is in shrinkage trend in more time in one year, and the meshing gap can be reduced during manufacturing production, so that adjacent floor block main bodies are tightly spliced after the lock catch structure is installed. On the premise that the locking structure is easy to install and a locking angle of 60-65 degrees is maintained, the problems of pull slipping and rattling of the tenons caused by shrinkage of the floor block main body are avoided.
As a further preferable mode, when the upper shoulder of the male tenon abuts against the upper shoulder of the female tenon, an engagement gap is formed between the male tenon locking surface and the female tenon locking surface, and the size of the engagement gap is 0.08-0.12 mm.
In the technical scheme, when the application scene of the solid wood composite floor is in a region which is moist throughout the year, the floor is in an expansion trend in more time in one year, and the meshing gap can be increased during manufacturing production, so that after the lock catch structure is installed, adjacent floor block main bodies are in opposite loose splicing. On the premise that the locking structure is easy to install and a locking angle of 60-65 degrees is maintained, the problems of arch rising, slipping and rattling of the tenons caused by expansion of the floor block main body are avoided.
The second embodiment of the invention discloses a locking structure, which comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder, a tenon locking surface for forming the tail part of the tenon and a locking groove formed by the tenon locking surface and a floor block main body, the mortise mechanism comprises a mortise upper shoulder, a mortise, a locking piece inserted into the locking groove, a grooved mortise between the mortise and the locking piece and a mortise locking surface for forming the boundary between the mortise and the locking piece, and the floor block main body comprises a surface plate and a base material; the thickness of the female mortise accounts for 31.7% -35.6% of the thickness of the base material.
In the technical scheme, the thickness of the female mortises accounts for about 1/3 of the thickness of the base material, so that the female mortises have enough thickness, namely enough veneer layers and glue layers between the veneer layers, and participate in the transverse and longitudinal involvement of the veneer layers. Thus, the composite material at the mortise of the mother tenon manufactured after cutting still has the combination, the involvement and the balance of a plurality of veneer layers and still has the stability. Further, when the thickness of the female mortises accounts for 31.7% -35.6% of the thickness of the base material, the composite material at the female mortises consists of 2.7-3.6 single-plate layers. As known to those skilled in the art, the number of layers of the composite veneer is odd under the condition that the multi-layer composite material maintains excellent stability, the composite material at the female dovetail groove in the present technical solution includes 2.7 to 3.6 layers of veneer layers, and the composite material at the female dovetail groove in the present technical solution can be regarded as an approximate structure having 3 layers in consideration of the thickness of glue without anisotropy, thereby further enhancing the stability of the female dovetail groove.
When the composite material at the female mortise has stability, the female mortise does not deform in the process of storage, and the sizes of the locking structure and the design structure are kept consistent, so that the problem that the locking structure is difficult to install due to deformation of the female mortise is effectively avoided, and the locking structure applied to the solid wood composite floor can be finally realized, and the locking tightness can be adjusted by adjusting the meshing gap.
As a further preferred aspect, when the thickness of the base material is 9mm to 10mm, the thickness of the female dovetail groove conforms to the following relation: (33%. Times.H ') < H3 < (33%. Times.H' +0.2 mm); when the thickness of the base material is 10 mm-12 mm, the thickness of the female mortise accords with the following relation: (33%. Times.H '-0.2 mm) < H3 < (33%. Times.H'); wherein H' is the thickness of the base material, and H3 is the thickness of the mortise.
In the technical scheme, when the thickness of the base material is more than or equal to 9mm and less than 10mm, the thickness of the female mortises is in the range of 33% of the thickness of the base material (33% of the thickness of the base material plus 0.2 mm); when the thickness of the base material is more than or equal to 10mm and less than or equal to 12mm, the thickness of the female mortises is in the range of 33% of the thickness of the base material to 0.2mm.
As a further preferable mode, the inclination angle of the male tenon locking surface is 55-65 degrees, and the inclination angle of the female tenon locking surface is 55-65 degrees; the ratio of the groove bottom width of the female mortise to the thickness of the female mortise is (1.04-1.30): 1.
as a further preferable mode, when the upper shoulder of the male tenon and the upper shoulder of the female tenon are in low leaning state, a meshing gap is formed between the male tenon locking surface and the female tenon locking surface, and the size of the meshing gap is 0.05-0.12 mm.
The third embodiment of the invention discloses a solid wood composite floor with a locking structure, which comprises a floor body consisting of a surface plate and a base material, wherein a tenon mechanism and a mortise mechanism are arranged on the periphery of the floor body, the tenon mechanism comprises a tenon upper shoulder, a tenon locking surface for forming the tail part of the tenon and a locking groove formed by the tenon locking surface and the floor body, and the mortise mechanism comprises a mortise upper shoulder, a mortise, a locking piece inserted into the locking groove, a grooved mortise between the mortise and the locking piece and a mortise locking surface for forming the boundary between the mortise and the locking piece; the method is characterized in that: the thickness of the female mortises accounts for 31.2% -34.9% of the total thickness of the floor block main body.
The fourth embodiment of the invention discloses a solid wood composite floor with a locking structure, which comprises a floor body consisting of a surface plate and a base material, wherein a tenon mechanism and a mortise mechanism are arranged on the periphery of the floor body, the tenon mechanism comprises a tenon upper shoulder, a tenon locking surface for forming the tail part of the tenon and a locking groove formed by the tenon locking surface and the floor body, and the mortise mechanism comprises a mortise upper shoulder, a mortise, a locking piece inserted into the locking groove, a grooved mortise between the mortise and the locking piece and a mortise locking surface for forming the boundary between the mortise and the locking piece; the method is characterized in that: the thickness of the female mortise accounts for 31.7% -35.6% of the thickness of the base material.
By means of the method, the lock catch structure of the technical scheme of the application can adjust the installation tightness of the lock catch by adjusting the meshing gap on the premise of ensuring the transverse connection strength of the lock catch and easy installation, so that the problems of installation noise and installation unretency are avoided.
The foregoing description is only an overview of the present invention, and is intended to provide a more thorough understanding of the present invention, and is to be accorded the full scope of the present invention.
Drawings
FIG. 1 is a schematic illustration of a latch structure disclosed in patent WO 97/47834;
FIG. 2 is a schematic illustration of a latch structure disclosed in patent WO 2001/077461;
FIG. 3 is a schematic view of another latch structure disclosed in patent WO 2001/077461;
FIG. 4 is a schematic illustration of a prior art latch structure;
FIG. 5 is a schematic view of a latch structure according to embodiment 1 of the present invention;
FIG. 6 is another schematic view of the latch structure of embodiment 2 of the present invention;
in the accompanying drawings:
1-abutting surface, 2-upper tenon interface, 3-lower tenon interface, 4-locking surface, 5-reserved gap, 6-transition surface, 7-meshing gap, 8-male tenon upper shoulder, 9-female tenon upper shoulder, 10-male tenon, 11-female tenon, 12-female tenon groove, 13-male tenon locking surface, 14-female tenon locking surface, 15-locking groove, 16-locking piece, a, b-floor block, c-surface board and d-substrate.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Example 1: the solid wood composite floor with the locking structure comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder 8, a tenon 10, a tenon locking surface 13 forming the tail part of the tenon 10 and a locking groove 15 formed by the tenon locking surface 13 and a floor block main body, and the mortise mechanism comprises a mortise upper shoulder 9, a mortise 11, a locking piece 16 inserted into the locking groove 15, a grooved mortise 12 positioned between the mortise 11 and the locking piece 16 and a mortise locking surface 14 forming the boundary between the mortise 12 and the locking piece 16. The inclination angle of the tenon locking surface 13 is 60-65 degrees, and the inclination angle of the mortise locking surface 14 is 60-65 degrees; in this embodiment, the groove bottom width of the female dovetail groove 12 is 5.2mm.
In manufacturing and marketing practice, the common solid wood composite floor specifications are three thicknesses of 9.2mm, 12.5mm and 15 mm. When the total thickness of the solid wood composite floor is 9.2mm, the total thickness of the solid wood composite floor is obtained according to the relation (33%. Times.H-0.2 mm) < H3 < (33%. Times.H+0.2 mm), the thickness of the female mortises 12 is 2.86 mm-3.26 mm, and the thickness of the female mortises 12 accounts for 31.2% -34.9% of the total thickness of the floor block main body; in an alternative embodiment, the thickness H1 of the upper shoulder 8 of the tongue is 3mm, the thickness H2 of the tongue 10 is 3mm, and the thickness of the female groove 12 is 3.2mm. When the total thickness of the solid wood composite floor is 12.5mm, the total thickness of the solid wood composite floor is obtained according to the relation (33%. Times.H-0.2 mm) < H3 < (33%. Times.H+0.2 mm), the thickness of the female mortises 12 is 3.97 mm-3.37 mm, and the thickness of the female mortises 12 accounts for 31.8% -34.9% of the total thickness of the floor block main body; in an alternative embodiment, the thickness H1 of the upper shoulder 8 of the tongue is 4.15mm, the thickness H2 of the tongue 10 is 4.15mm, and the thickness of the groove 12 is 4.2mm. When the total thickness of the solid wood composite floor is 15mm, the total thickness of the solid wood composite floor is obtained according to the relation (33%. Times.H-0.2 mm) < H3 < (33%. Times.H+0.2 mm), the thickness of the female mortises 12 is between 4.8mm and 5.2mm, and the thickness of the female mortises 12 accounts for 32.0% -34.7% of the total thickness of the floor block main body; in an alternative embodiment, the thickness H1 of the upper shoulder 8 of the tongue is 4.5mm, the thickness H2 of the tongue 10 is 4.5mm, and the thickness of the female groove 12 is 4.5mm.
According to the climate difference of the region where the solid wood composite floor is installed, when the solid wood composite floor is to be installed in a region which is drier throughout the year, a smaller meshing gap 7 can be selected, namely, when the upper shoulder 8 of the male tenon abuts against the upper shoulder 9 of the female tenon, a smaller meshing gap 7 can be arranged between the locking surface 13 of the male tenon and the locking surface 14 of the female tenon, and the size of the meshing gap 7 is 0.05-0.08 mm. When the solid wood composite floor board is to be installed in a region which is moist throughout the year, a larger meshing gap 7 can be selected, namely, when the upper shoulder 8 of the male tenon abuts against the upper shoulder 9 of the female tenon, a larger meshing gap 7 can be arranged between the locking surface 13 of the male tenon and the locking surface 14 of the female tenon, and the size of the meshing gap 7 is 0.08-0.12 mm. As a further preferred option, the skilled person will appreciate that the determination of the engagement gap 7 may also be based on the moisture content of the surface plate c and the substrate d. When deviation occurs in the water content adjusting process and the water content of the surface board c or the base material d after the humidity adjusting treatment is inconsistent with the setting, the meshing gap 7 can be adjusted to finely adjust the foreseeable shrinkage and expansion changes of the floor.
As is well known, in the tongue-and-groove manufacturing of the multi-layer solid wood composite floor, the long-side direction double-sided tenons are of a locking structure, and the short-side direction double-sided tenons are of a locking structure, so that the junction between the long-side direction and the short-side direction (namely, four corners of the floor) is the boundary between the two structures. It has been a problem how to dispense the snap-lock and snap-lock arrangements at the interface, leaving milling residue at the short-side tongue when the ratio of the dispense is not proper. Milling residues not only affect the beauty of the product, but also cause potential safety hazards in the production process. When the manufactured product is a reinforced floor, the milling residues only remain at the short-side tenons due to the singleness of the base material; when the manufactured product is a multilayer solid wood composite floor, milling residues can be sprayed outwards under the action of stress in the base material due to instability of the base material between layers, so that the danger is caused to operators. As a further beneficial effect, when the thickness of the female tongue-and-groove 12 is 31.2% -34.9% of the total thickness of the main body of the floor block, taking the tongue-and-groove for manufacturing the solid wood composite floor with the total thickness of 15mm as an example, the thickness H1 of the upper shoulder 8 of the male tongue is 4.5mm, the thickness H2 of the male tongue 10 is 4.5mm, the thickness of the female tongue-and-groove 12 is 4.5mm, at this time, the concave part of the tail part of the male tongue is equal in height to the concave part of the tongue-and-groove 12 is equal in height to the concave part of the female tongue, thereby effectively avoiding the problem of distributing the long-side locking structure and the short-side locking structure, thereby avoiding the problem of milling residues and ensuring the production safety.
Example 2: the solid wood composite floor with the locking structure comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder 8, a tenon 10, a tenon locking surface 13 forming the tail part of the tenon 10 and a locking groove 15 formed by the tenon locking surface 13 and a floor block main body, the mortise mechanism comprises a mortise upper shoulder 9, a mortise 11, a locking piece 16 inserted into the locking groove 15, a grooved mortise 12 positioned between the mortise 11 and the locking piece 16 and a mortise locking surface 14 forming the boundary between the mortise 12 and the locking piece 16, and the floor block main body comprises a surface plate c and a base material d; the inclination angle of the tenon locking surface 13 is 55-65 degrees, and the inclination angle of the mortise locking surface 14 is 55-65 degrees; the groove bottom width of the female dovetail groove 12 is 5.2mm.
In manufacturing and marketing practice, the common solid wood composite floor specifications are three thicknesses of 9.2mm, 12.5mm and 15 mm. When the total thickness of the solid wood composite floor is 9.2mm, the selected surface board c has the thickness of 0.2mm, the base material d has the thickness of 9mm and 9 veneer layers, the solid wood composite floor is obtained according to the relation (33%. Times.H) < H3 < (33%. Times.H+0.2 mm), the thickness of the female mortises 12 is 3 mm-3.2 mm, the thickness of the surface board c accounts for 33.3% -35.6% of the thickness of the base material d, and the female mortises 12 have 2.7-2.9 veneer layers. When the total thickness of the solid wood composite floor is 12.5mm, the selected surface board c has the thickness of 0.5mm, the base material d has the thickness of 12mm and 11 veneer layers, the thickness of the mother tenon groove 12 is 3.8 mm-4 mm according to the relation (33%. Times.H-0.2 mm) < H3 < (33%. Times.H), the thickness of the mother tenon groove 12 accounts for 31.7% -33.3% of the thickness of the base material d, and the mother tenon groove 12 has 3.4-3.6 veneer layers. When the total thickness of the solid wood composite floor is 15mm, the surface board c is 3mm, the base material d is 12mm thick and 11 veneer layers are obtained according to the relation (33%. Times.H-0.2 mm) < H3 < (33%. Times.H), the thickness of the female mortises 12 is 3.8 mm-4 mm, the thickness of the female mortises 12 accounts for 31.7% -33.3% of the thickness of the base material d, and the female mortises 12 are 3.4-3.6 veneer layers.
Similarly, according to the climate difference of the region where the solid wood composite floor is installed, when the solid wood composite floor is to be installed in a region which is drier throughout the year, a smaller meshing gap 7 can be selected, namely, when the upper shoulder 8 of the male tenon abuts against the upper shoulder 9 of the female tenon, a meshing gap 7 is formed between the locking surface 13 of the male tenon and the locking surface 14 of the female tenon, and the size of the meshing gap 7 is 0.05-0.08 mm. When the solid wood composite floor board is to be installed in a region which is moist throughout the year, a larger meshing gap 7 can be selected, namely, when the upper shoulder 8 of the male tenon abuts against the upper shoulder 9 of the female tenon, the meshing gap 7 is formed between the locking surface 13 of the male tenon and the locking surface 14 of the female tenon, and the size of the meshing gap 7 is 0.08-0.12 mm.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The lock catch structure comprises a tenon mechanism and a mortise mechanism, wherein the tenon mechanism comprises a tenon upper shoulder (8), a tenon (10), a tenon locking surface (13) forming the tail part of the tenon (10) and a locking groove (15) formed by the tenon locking surface (13) and a floor block main body, and the mortise mechanism comprises a mortise upper shoulder (9), a mortise (11), a locking piece (16) inserted into the locking groove (15), a grooved mortise (12) positioned between the mortise (11) and the locking piece (16) and a mortise locking surface (14) forming the boundary between the mortise (12) and the locking piece (16); the method is characterized in that: the thickness of the female mortises (12) accounts for 31.2-34.9% of the total thickness of the floor block main body.
2. A latch mechanism according to claim 1, wherein: the thickness of the female mortise (12) accords with the following relation,
(33％×H-0.2mm)＜H3＜(33％×H+0.2mm)
wherein H is the total thickness of the floor block main body, and H3 is the thickness of the female mortice.
3. A latch mechanism according to claim 1, wherein: the inclination angle of the tenon locking surface (13) is 60-65 degrees, and the inclination angle of the mortise locking surface (14) is 60-65 degrees; the ratio of the groove bottom width of the female tongue-and-groove (12) to the thickness of the female tongue-and-groove (12) is (1.04-1.30): 1.
4. a latch mechanism according to claim 2, wherein: when the upper shoulder (8) of the male tenon abuts against the upper shoulder (9) of the female tenon, an engagement gap (7) is formed between the locking surface (13) of the male tenon and the locking surface (14) of the female tenon, and the size of the engagement gap (7) is 0.05-0.08 mm.
5. A latch mechanism according to claim 2, wherein: when the upper shoulder (8) of the male tenon abuts against the upper shoulder (9) of the female tenon, an engagement gap (7) is formed between the locking surface (13) of the male tenon and the locking surface (14) of the female tenon, and the size of the engagement gap (7) is 0.08-0.12 mm.
6. A locking structure comprising a tongue mechanism and a mortise mechanism, wherein the tongue mechanism comprises a tongue upper shoulder (8), a tongue (10), a tongue locking surface (13) forming the tail of the tongue (10), and a locking groove (15) formed by the tongue locking surface (13) and a floor block main body, the mortise mechanism comprises a mortise upper shoulder (9), a mortise (11), a locking piece (16) inserted into the locking groove (15), a groove-shaped mortise (12) between the mortise (11) and the locking piece (16), and a mortise locking surface (14) forming the boundary between the mortise (12) and the locking piece (16), and the floor block main body comprises a surface plate (c) and a base material (d); the method is characterized in that: the thickness of the female mortise (12) accounts for 31.7-35.6% of the thickness of the base material (d).
7. A latch mechanism according to claim 6, wherein: the inclination angle of the tenon locking surface (13) is 55-65 degrees, and the inclination angle of the mortise locking surface (14) is 55-65 degrees; the ratio of the groove bottom width of the female tongue-and-groove (12) to the thickness of the female tongue-and-groove (12) is (1.04-1.30): 1.
8. a solid wood composite floor using the locking structure as claimed in claim 1, comprising a floor main body composed of a surface board (c) and a base material (d), wherein a tongue mechanism and a tongue mechanism are arranged around the floor main body, the tongue mechanism comprises a tongue upper shoulder (8), a tongue (10), a tongue locking surface (13) forming the tail of the tongue (10), and a locking groove (15) formed by the tongue locking surface (13) and the floor main body, the tongue mechanism comprises a tongue upper shoulder (9), a tongue (11), a locking piece (16) inserted into the locking groove (15), a groove-shaped tongue-in-groove (12) between the tongue (11) and the locking piece (16), and a tongue locking surface (14) forming the boundary between the tongue-in-groove (12) and the locking piece (16); the method is characterized in that: the thickness of the female mortises (12) accounts for 31.2-34.9% of the total thickness of the floor block main body.
9. A solid wood composite floor using the locking structure as claimed in claim 6, comprising a floor main body composed of a surface plate (c) and a base material (d), wherein a tongue mechanism and a tongue mechanism are arranged around the floor main body, the tongue mechanism comprises a tongue upper shoulder (8), a tongue (10), a tongue locking surface (13) forming the tail of the tongue (10), and a locking groove (15) formed by the tongue locking surface (13) and the floor main body, the tongue mechanism comprises a tongue upper shoulder (9), a tongue (11), a locking piece (16) inserted into the locking groove (15), a concave tongue groove (12) arranged between the tongue (11) and the locking piece (16), and a tongue locking surface (14) forming the boundary between the tongue groove (12) and the locking piece (16); the method is characterized in that: the thickness of the female mortise (12) accounts for 31.7-35.6% of the thickness of the base material (d).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810609249.0A CN108643512B (en) | 2018-06-13 | 2018-06-13 | Lock catch structure and solid wood composite floor with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810609249.0A CN108643512B (en) | 2018-06-13 | 2018-06-13 | Lock catch structure and solid wood composite floor with same |
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| CN108643512A CN108643512A (en) | 2018-10-12 |
| CN108643512B true CN108643512B (en) | 2023-08-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| HUE054623T2 (en) * | 2019-03-12 | 2021-09-28 | Flooring Technologies Ltd | Hard floor panel for floating installation forming a floor |
| CN110029793A (en) * | 2019-05-17 | 2019-07-19 | 浙江菱格木业有限公司 | A kind of inserted fish-bone spells the splicing structure on floor |
| US11136766B2 (en) | 2019-05-18 | 2021-10-05 | Jiangsu Langyue New Materials Technology Co., Ltd. | Easy-to-assemble panel |
| CN110029794A (en) * | 2019-05-18 | 2019-07-19 | 镇江市朗悦塑业有限公司 | A kind of easy assembled plate |
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| CN2764857Y (en) * | 2005-02-28 | 2006-03-15 | 丹阳蓝客金刚石精密刀具有限公司 | Fracture-proof flat mounted snap-close type floor jointing piece and floor jointed by the same |
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| CN2818648Y (en) * | 2005-08-17 | 2006-09-20 | 陈乔法 | Detachable spherical buckling floor |
| CN101037891A (en) * | 2006-03-17 | 2007-09-19 | 四川升达林产工业集团有限公司 | Floor with lock connection mode |
| WO2017219545A1 (en) * | 2016-06-25 | 2017-12-28 | 安吉恒丰竹木产品有限公司 | Composite floor having frame structure |
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