Anti-deformation high-strength solid wood board core
By setting off-grain breaking units with dislocation distribution on the surface of the solid wood core, the thermal expansion, contraction and deformation problems of the solid wood core when temperature and humidity change are solved, and a more stable structure and extended service life are achieved.
Patent Information
- Application Number
- CN202421137379.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The cores of existing solid wood boards are prone to thermal expansion and contraction when the air temperature and humidity change, resulting in deformation, especially in the production of large-sized solid wood doors, which affects the quality of the product.
By setting a broken grain unit on the surface of the solid wood core, it includes more than two broken grain lines. The broken grain lines are less than their thickness along the thickness of the solid wood core. The broken grain lines are parallel and dislocated, and the formed lines run through the entire solid wood board. core to reduce thermal expansion and contraction of solid wood fibers.
It effectively reduces the thermal expansion and contraction degree of solid wood core, reduces deformation, improves the deformation resistance of solid wood core, makes its structure more stable and extends its service life.
Smart Images
Figure CN222457246U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boards, in particular to a high-strength solid wood board core with anti-deformation property. Background Art
[0002] The solid wood board core is made of complete wood. It is not only firm and durable, but also has natural and beautiful grain, and is a high-quality board for building decoration and furniture making. Affected by the changes in air temperature and humidity, the solid wood fibers will expand and contract thermally. Moreover, due to the differences in positions inside and outside the solid wood board core, the fibers at different positions inside and outside the solid wood board core are affected differently, and the degree of thermal expansion and contraction is also different. For example, the closer to the surface of the solid wood board core, the greater the influence of the solid wood fibers on the changes in air temperature and humidity, and the more serious the degree of thermal expansion and contraction; the closer to the center of the solid wood board core, the smaller the influence of the solid wood fibers on the changes in air temperature and humidity, and the smaller the degree of thermal expansion and contraction. Different degrees of thermal expansion and contraction of the solid wood fibers are likely to cause the solid wood board core to bend and deform. Moreover, the larger the size of the solid wood board core, such as the length, the more obvious this kind of deformation is, and the greater the impact on the quality. Therefore, in the application of large-size solid wood board cores, such as in the production of solid wood doors, this kind of deformation has become one of the key factors affecting the quality of solid wood doors.
[0003] For the existing solid wood board cores, most of them reduce the influence of the solid wood board core on the changes in air temperature and humidity by painting, or resist deformation through the limitation of the connection structure. Although these methods can reduce or slow down the generation of deformation, they cannot completely avoid the deformation problem. After long-term use, the solid wood board core will still deform, and the quality will still be affected. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a high-strength solid wood board core with anti-deformation property.
[0005] The technical solution for realizing the purpose of the utility model is: a high-strength solid wood board core with anti-deformation property, including a solid wood board core body. A fracture pattern unit is arranged on the surface of the solid wood board core body. The fracture pattern unit includes more than two fracture lines that break the solid wood fibers on the surface of the solid wood board core body. The depth of the fracture lines in the thickness direction of the solid wood board core body is D, and the thickness of the solid wood board core body is L. The relationship between D and L satisfies D < L. All the fracture lines in the fracture pattern unit are parallel and are distributed in a staggered manner on different straight lines. The projections of any two fracture lines in the fracture pattern unit on a baseline A do not completely overlap. The baseline A is a straight line parallel to the fracture lines. The projections of all the fracture lines in the fracture pattern unit on the baseline A are connected to form a line L, and both ends of the line L penetrate through the whole solid wood board core body.
[0006] Furthermore, the number of the broken lines is N, the length of the broken lines is S1, the length of the line L is S2, and the relationship between S1 and S2 satisfies S2=N*S1. Under this setting, the projections of the broken lines onto the baseline A have no overlap, the distribution of the broken lines on the solid wood board core body is more uniform, and the structural strength consistency of each part of the solid wood board core body is good.
[0007] Furthermore, the number of the fracture lines in the fracture unit is two. The two fracture lines are easy to process, especially when the fracture lines are cutting lines, one end of the two fracture lines is close to the side of the solid wood board core body and penetrates the solid wood board core body. Under this structure, the fracture lines are easier to cut and form.
[0008] Furthermore, the fracture lines are cutting lines or lines formed by carbonizing the solid wood fibers of the solid wood board core body. The fracture lines can be formed by cutting the surface of the solid wood board core body; or the surface of the solid wood board core body can be carbonized, such as by high-temperature laser burning, to form solid wood fibers. Compared with cutting lines, when the fracture lines are lines formed by carbonizing the solid wood fibers of the solid wood board core body, no filler is needed in the fracture lines, and the solid wood board core body still has a smooth surface. The overall structure of the solid wood board core body is better and processing is more convenient.
[0009] Furthermore, when the fracture line is a cutting line, there is a filler in the fracture line. After the fracture line is filled with the filler, the flatness and internal sealing of the overall structure of the solid wood board core body are better.
[0010] Furthermore, the number of the fracture units is several. The several fracture units can break the solid wood fibers on the surface of the solid wood board core body into several small pieces. The more small pieces there are, the smaller the size of the small pieces is, the less affected by deformation, and the stronger the deformation resistance is.
[0011] Furthermore, the crack units are provided on both surfaces of the solid wood board core body. The solid wood fibers on both surfaces of the solid wood board core body are formed into small blocks by the crack units, and both surfaces of the solid wood board core body are less affected by deformation, and the solid wood board core body has stronger anti-deformation ability.
[0012] Furthermore, the fracture units on the two surfaces of the solid wood board core body are staggered. In the non-staggered distribution structure, since the fracture lines of the fracture units on the two surfaces of the solid wood board core body are opposite, the thickness of the middle connection of the solid wood board core body is small, and the structural firmness of the solid wood board core body is poor. When the fracture lines of the fracture units on the two surfaces of the solid wood board core body are staggered, the solid wood fibers on the two surfaces of the solid wood board core body can be formed into small blocks by the fracture units, thereby improving the deformation resistance of the solid wood board core body, and the thickness of the connection of the solid wood board core body is thicker, and the overall structural strength of the solid wood board core body is stronger.
[0013] Furthermore, an angle а is formed between the fracture line and the growth direction of the solid wood fiber of the solid wood board core body, and the angle а is 0≤а≤90°. The fracture line can be arranged horizontally, longitudinally, or obliquely relative to the growth direction of the solid wood fiber of the solid wood board core body.
[0014] Furthermore, the fracture lines include transverse fracture lines, which are arranged transversely relative to the growth direction of the solid wood fibers of the solid wood board core body. The transverse fracture lines can cause the solid wood fibers on the surface of the solid wood board core body to fracture transversely.
[0015] Furthermore, the fracture lines include longitudinal fracture lines, which are arranged along the growth direction of the solid wood fibers of the solid wood board core body. The longitudinal fracture lines can cause the solid wood fibers on the surface of the solid wood board core body to fracture longitudinally.
[0016] The utility model discloses a high-strength solid wood board core that is resistant to deformation. By arranging the fracture unit composed of two or more fracture lines on the surface of the solid wood board core body, the solid wood fibers on the surface of the solid wood board core body can be broken into small pieces under the action of the fracture lines. The surface solid wood fibers of the solid wood board core body that are broken into small pieces are small in size and are affected by changes in air temperature and humidity and have a small degree of thermal expansion and contraction. The resulting deformation is greatly degraded, and can even be degraded to be invisible to the naked eye, like a small piece of board, and is close to no deformation, so that it is no longer a key factor affecting the quality of the solid wood board core body. In this way, the deformation resistance of the solid wood board core body is greatly enhanced, the structure of the solid wood board core body can be more stable, and the service life is extended.
[0017] In addition, the projections of any two of the fracture lines in the fracture unit onto the baseline A do not completely overlap, the fracture lines are misaligned in a direction parallel to the fracture lines, and the projections of all the fracture lines in the fracture unit onto the baseline A are not completely overlapped. The projections on the surface are connected to form a line L, and the two ends of the line L pass through the entire solid wood board core body. The entire span of the solid wood board core body along the direction parallel to the fracture line is broken by the fracture line. While ensuring the anti-deformation effect, the utility model has a high-strength solid wood board core that is resistant to deformation. All the fracture lines in the fracture unit are staggered and distributed on different straight lines, that is, all the fracture lines are also staggered in the direction perpendicular to the fracture lines. All the fracture lines in the fracture unit are located on different straight lines. Even if the fracture lines that are broken in the entire span of the solid wood board core body are not located on the same straight line, all the fracture lines do not form two ends through, and the fracture lines of the fracture unit are scattered and not concentrated. Compared with a concentrated fracture unit composed of a line penetrating at both ends, the fracture unit with dispersed and unconcentrated fracture lines in the utility model has less destructive effect on the structure of the solid wood board core body, the solid wood board core body will not be broken by the fracture unit, and the structural strength of the solid wood board core body is stronger. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the high-strength solid wood board core that resists deformation of the utility model;
[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the high-strength solid wood board core of the utility model that resists deformation, wherein the dotted line is the fracture line on the lower surface of the solid wood board core body;
[0020] Figure 3 The utility model is a partial cross-sectional structural schematic diagram of the deformation-resistant high-strength solid wood board core. DETAILED DESCRIPTION
[0021] The following is a detailed description of the preferred embodiment of the high-strength solid wood board core of the utility model with reference to the accompanying drawings:
[0022] like Figure 1 to Figure 3As shown in the figure, a high-strength solid wood board core with anti-deformation includes a solid wood board core body 1. A fracture pattern unit 2 is provided on the surface of the solid wood board core body 1. The fracture pattern unit 2 includes two or more fracture lines 21 that cause the solid wood fibers on the surface of the solid wood board core body 1 to break. The depth of the fracture lines 21 in the thickness direction of the solid wood board core body 1 is D, and the thickness of the solid wood board core body 1 is L. The relationship between D and L satisfies D < L. All the fracture lines 21 in the fracture pattern unit 2 are parallel and are misaligned and distributed on different straight lines. The projections of any two fracture lines 21 in the fracture pattern unit 2 on a baseline A do not completely overlap. The baseline A is a straight line parallel to the fracture lines 21. The projections of all the fracture lines 21 in the fracture pattern unit 2 on the baseline A are connected to form a line L, and both ends of the line L penetrate through the entire solid wood board core body 1.
[0023] For the high-strength solid wood board core with anti-deformation of the present utility model, the fracture pattern unit 2 includes two or more fracture lines 21. The fracture lines 21 are provided on the surface of the solid wood board core body 1 and are used to break the solid wood fibers on the surface of the solid wood board core body 1. The relationship between D and L satisfies D < L. The depth of the fracture lines 21 in the thickness direction of the solid wood board core body 1 is less than the thickness of the solid wood board core body 1. Along the thickness direction of the solid wood board core body 1, the solid wood fibers of the solid wood board core body 1 are not completely broken due to the fracture lines 21, and the solid wood board core body 1 remains in a plate structure and has strong structural strength.
[0024] For the high-strength solid wood board core with anti-deformation of the present utility model, the fracture pattern unit 2 is composed of two or more fracture lines 21 and is not a single line that penetrates through both ends. All the fracture lines 21 in the fracture pattern unit 2 are misaligned and distributed on different straight lines. This setting causes all the fracture lines 21 to be misaligned in the direction perpendicular to the fracture lines 21. The projections of any two fracture lines 21 in the fracture pattern unit 2 on the baseline A do not completely overlap, and the fracture lines 21 with non-completely overlapping projections are misaligned in the direction parallel to the fracture lines 21. The projections of all the fracture lines 21 in the fracture pattern unit 2 on the baseline A are connected to form a line L, and both ends of the line L penetrate through the entire solid wood board core body 1, and the entire span of the solid wood board core body 1 is fractured by the fracture lines 21.
[0025] The utility model discloses a high-strength solid wood board core that is resistant to deformation. By arranging the fracture unit 2 composed of two or more fracture lines 21 on the surface of the solid wood board core body 1, the solid wood fibers on the surface of the solid wood board core body 1 can be broken into small pieces under the action of the fracture lines 21. The surface solid wood fibers broken into small pieces by the solid wood board core body 1 are small in size and are affected by changes in air temperature and humidity and thermal expansion and contraction to a small extent. The deformation generated is greatly degraded, and can even be degraded to be invisible to the naked eye, close to no deformation, like a small piece of board. Therefore, the deformation is no longer a key factor affecting the quality of the solid wood board core. In this way, the deformation resistance of the solid wood board core body 1 is greatly enhanced, the structure of the solid wood board core body 1 can be more stable, and the service life is extended.
[0026] In addition, in the utility model, the high-strength solid wood board core with resistance to deformation, the projections of any two of the broken lines 21 in the broken line unit 2 onto the baseline A are not completely overlapped, the broken lines 21 are offset in a direction parallel to the broken lines 21, and the projections of all the broken lines 21 in the broken line unit 2 onto the baseline A are connected to form a line L, both ends of the line L pass through the entire solid wood board core body 1, and the entire span of the solid wood board core body 1 along the direction parallel to the broken lines 21 is broken by the broken lines 21, while ensuring the anti-deformation effect, in the utility model, the high-strength solid wood board core with resistance to deformation, all the broken lines 21 in the broken line unit 2 are respectively located on different straight lines and offset distribution, that is, all the broken lines 21 are also offset in a direction perpendicular to the broken lines 21, and all the broken lines 21 in the broken line unit 2 are located on different straight lines, even if the broken lines 21 of the entire span of the solid wood board core body 1 are broken They are not located on the same straight line, and all the fracture lines 21 are not connected at both ends. The fracture lines 21 of the fracture unit 2 are scattered and not concentrated. Compared with the concentrated fracture unit composed of a line with two ends connected, the fracture unit 2 with dispersed and unconcentrated fracture lines 21 in the utility model has less destructive effect on the structure of the solid wood board core body 1, the solid wood board core body 1 will not be broken by the fracture unit, and the structural strength of the solid wood board core body 1 is stronger.
[0027] In the utility model, the deformation-resistant high-strength solid wood core is preferably such that the number of the broken lines 21 is N, the length of the broken lines 21 is S1, the length of the line L is S2, and the relationship between S1 and S2 satisfies S2= N *S1. Under this setting, the projections of the broken lines 21 onto the baseline A are non-overlapping, the distribution of the broken lines 21 on the solid wood core body 1 is more uniform, and the structural strength consistency of each part of the solid wood core body 1 is good.
[0028] In the utility model, the deformation-resistant high-strength solid wood core is preferably provided with two fracture lines 21 in the fracture unit 2. The two fracture lines 21 are easy to process, especially when the fracture lines 21 are cutting lines, one end of the two fracture lines 21 is close to the side of the solid wood core body 1 and penetrates the solid wood core body 1. Under this structure, the fracture lines 21 are easier to cut and form.
[0029] In the utility model, the deformation-resistant high-strength solid wood core is preferably a line formed by cutting or carbonizing the solid wood fibers of the solid wood core body 1. The line 21 can be formed by cutting the surface of the solid wood core body 1; or the surface of the solid wood core body 1 can be carbonized, such as by high-temperature laser burning, to form solid wood fibers. Compared with the cutting line, when the line 21 is a line formed by carbonizing the solid wood fibers of the solid wood core body 1, the line 21 does not need to be filled with fillers, and the solid wood core body 1 still has a smooth surface. The overall structure of the solid wood core body 1 is better and the processing is more convenient.
[0030] The utility model anti-deformation high-strength solid wood core preferably has fillers in the fracture lines 21 when the fracture lines 21 are cutting lines. After the fracture lines 21 are filled with fillers, the overall structure of the solid wood core body 1 has better flatness and internal sealing.
[0031] The utility model anti-deformation high-strength solid wood board core preferably has a plurality of the fracture units 2. The plurality of fracture units 2 can break the solid wood fibers on the surface of the solid wood board core body 1 into a plurality of small pieces. The more small pieces there are, the smaller the size of the small pieces is, the less the deformation will affect them, and the stronger the anti-deformation ability will be.
[0032] The utility model has a high-strength solid wood board core that is resistant to deformation. Preferably, the crack units 2 are provided on both surfaces of the solid wood board core body 1. The solid wood fibers on both surfaces of the solid wood board core body 1 are formed into small blocks by the crack units 2, and the two surfaces of the solid wood board core body 1 are less affected by deformation, and the solid wood board core body 1 has a stronger ability to resist deformation.
[0033] In the utility model, the deformation-resistant high-strength solid wood board core is preferably staggered in distribution of the crack units 2 on the two surfaces of the solid wood board core body 1. In the non-staggered distribution structure, since the crack lines 21 of the crack units 2 on the two surfaces of the solid wood board core body 1 are opposite, the middle connection thickness of the solid wood board core body 1 is small, and the structural firmness of the solid wood board core body 1 is relatively poor. When the crack lines 21 of the crack units 2 on the two surfaces of the solid wood board core body 1 are staggered, the solid wood fibers on the two surfaces of the solid wood board core body 1 can be formed into small blocks by the crack units 2, thereby improving the deformation resistance of the solid wood board core body 1, and the connection thickness of the solid wood board core body 1 is relatively thick, and the overall structural strength of the solid wood board core body 1 is relatively stronger.
[0034] In the utility model, the deformation-resistant high-strength solid wood core is preferably provided with an angle а between the fracture line 21 and the growth direction of the solid wood fiber of the solid wood core body 1, and the size of the angle а is 0≤а≤90°. The fracture line 21 can be arranged horizontally, longitudinally, or obliquely relative to the growth direction of the solid wood fiber of the solid wood core body 1.
[0035] In the utility model, the deformation-resistant high-strength solid wood core preferably comprises transverse fracture lines 211, which are arranged transversely relative to the growth direction of the solid wood fibers of the solid wood core body 1. The transverse fracture lines 211 can cause the solid wood fibers on the surface of the solid wood core body 1 to fracture transversely.
[0036] In the utility model, the deformation-resistant high-strength solid wood core preferably comprises longitudinal fracture lines 212 arranged along the growth direction of the solid wood fibers of the solid wood core body 1. The longitudinal fracture lines 212 can cause the solid wood fibers on the surface of the solid wood core body 1 to fracture longitudinally.
[0037] In the utility model, when the solid wood board core body 1 is carbonized to form the fracture line 21, the carbonization temperature is controlled so that the solid wood board core body 1 is only carbonized without forming flame combustion; or after carbonization, the carbonized solid wood board core body 1 is treated in a vacuum environment. The above operations can avoid the combustion of the solid wood board core body 1 and ensure the formation of the fracture line 21 on the solid wood board core body 1. In the utility model, when the fracture line 21 is a line formed by the solid wood fibers of the solid wood board core body 1 after carbonization, the fracture line 21 is easy to form.
[0038] The utility model has a deformation-resistant high-strength solid wood board core, which has unlimited application fields and is particularly suitable for the application of large-size boards, such as being particularly suitable for being used as the board core of door boards or cabinet boards.
[0039] For ordinary technicians in the technical field to which the utility model belongs, the utility model can make several simple deductions or substitutions without departing from the concept of the utility model, which should be regarded as falling within the protection scope of the utility model.
Claims
1. A high-strength solid wood board core that is resistant to deformation, comprising a solid wood board core body, characterized in that: On the surface of the solid wood board core body, there is a fracture line unit. The fracture line unit includes more than two fracture lines that break the solid wood fibers on the surface of the solid wood board core body. The depth of the fracture lines in the thickness direction of the solid wood board core body is D, and the thickness of the solid wood board core body is L. The relationship between D and L satisfies D < L. All the fracture lines in the fracture line unit are parallel and are staggeredly distributed on different straight lines. The projections of any two fracture lines in the fracture line unit on the baseline A do not completely overlap. The baseline A is a straight line parallel to the fracture lines. The projections of all the fracture lines in the fracture line unit on the baseline A are connected to form a line L, and both ends of the line L penetrate the entire solid wood board core body.
2. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The number of the fracture lines is N, the length of the fracture lines is S1, and the length of the line L is S2. The relationship between S1 and S2 satisfies S2 = N * S1.
3. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The number of the fracture lines in the fracture line unit is two.
4. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The fracture lines are cutting lines or lines formed by carbonizing the solid wood fibers of the solid wood board core body.
5. The deformation-resistant high-strength solid wood core according to claim 4, characterized in that: When the fracture lines are cutting lines, there are fillers in the fracture lines.
6. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The number of the fracture line units is several.
7. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The fracture line units are provided on both surfaces of the solid wood board core body.
8. The deformation-resistant high-strength solid wood core according to claim 7, characterized in that: The fracture line units on both surfaces of the solid wood board core body are staggeredly distributed.
9. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: There is an included angle α between the fracture lines and the growth direction of the solid wood fibers of the solid wood board core body, and the size of the included angle α is 0 ≤ α ≤ 90°.
10. The deformation-resistant high-strength solid wood core according to claim 1, characterized in that: The fracture lines include transverse fracture lines, and the transverse fracture lines are arranged transversely with respect to the growth direction of the solid wood fibers of the solid wood board core body; the fracture lines include longitudinal fracture lines, and the longitudinal fracture lines are arranged along the growth direction of the solid wood fibers of the solid wood board core body.