CN211362673U - Big core plate of wood - Google Patents
Big core plate of wood Download PDFInfo
- Publication number
- CN211362673U CN211362673U CN201922498907.6U CN201922498907U CN211362673U CN 211362673 U CN211362673 U CN 211362673U CN 201922498907 U CN201922498907 U CN 201922498907U CN 211362673 U CN211362673 U CN 211362673U
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- seal head
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Abstract
The utility model relates to a big core plate of solid wood, which comprises two groups of single plates which are just opposite to each other and a core plate which is positioned in the two groups of single plates, wherein the core plate comprises a plurality of core strips, one side of each core strip is protruded with a convex strip, one side of each core strip, which is far away from the convex strip, is sunken with a groove which is matched with the convex strip in shape, and adjacent core strips are mutually clamped through the convex strips and the grooves; the head and tail ends of the core plate are respectively provided with a first seal head and a second seal head, one side of the first seal head protrudes with a positioning strip matched with the groove in shape, one side of the first seal head, far away from the positioning strip, is flush with the edge of the veneer, one side of the second seal head is sunken with a positioning groove matched with the convex strip in shape, and one side of the second seal head, far away from the positioning groove, is flush with the edge of the veneer. Through adopting above-mentioned technical scheme, improved connectivity and the wholeness between the adjacent core strip to when the bearing or bear the moment of flexure, the joint structure between sand grip and the recess plays the effect of bending resistance, compares two sets of core strips that only connect through the adhesive, has stronger bending resistance in the junction.
Description
Technical Field
The utility model belongs to the technical field of the technique of big core and specifically relates to a big core of wood is related to.
Background
At present, the large core board (core board) is a special plywood produced by using core strips spliced or hollow boards as core boards, covering two or more layers of plywood on two sides and performing glue pressing on the core boards based on the production of plywood. The characteristics of the core-board are mainly determined by the core-board structure. Is widely applied to the production of furniture manufacturing, sewing machine tables, carriages, ships and the like, the building industry and the like.
The existing large core board is generally formed by bonding core strips by using an adhesive to form a board core and bonding plywood on two sides of the board core.
The above prior art solutions have the following drawbacks: in the bending bearing process of the existing large core board, because the core strips are relatively independent, bending resistance is realized only by the bonding action of the adhesive, so that dislocation and separation are easily generated between the adjacent core strips, the service life is reduced, the bearing and bending resistance of the large core board is limited, and an improvement space exists.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a big core of wood has the effect that improves the bending resistance and the bearing capacity of big core.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a solid wood large core board comprises two groups of single boards which are arranged oppositely and a core board which is positioned in the two groups of single boards, wherein the core board comprises a plurality of core strips, convex strips are protruded on one sides of the core strips, concave grooves which are matched with the convex strips in shape are formed in the side, away from the convex strips, of each core strip, and the adjacent core strips are mutually clamped through the convex strips and the concave grooves; the core plate is characterized in that a first seal head and a second seal head are arranged at the head end and the tail end of the core plate respectively, one side of the first seal head protrudes to form a positioning strip matched with the groove, one side of the first seal head, which is far away from the positioning strip, is flush with the edge of the veneer, one side of the second seal head is sunken to form a positioning groove matched with the raised line, and one side of the second seal head, which is far away from the positioning groove, is flush with the edge of the veneer.
By adopting the technical scheme, the core board is fixedly bonded between the two groups of single boards, the core board is formed by splicing a plurality of core strips, and the bonding position is fixedly bonded by adopting an adhesive. The core strip is rectangular form, and the core strip is on a parallel with length direction's a side protrusion and is fixed with the sand grip, keeps away from the another side of sand grip and offers the recess with sand grip shape complex, through sand grip and recess joint cooperation between the adjacent core strip, joint department fixes through the bonding agent. Wherein the both ends of core are provided with first head and second head respectively, and first head passes through the recess joint cooperation of location strip with adjacent core strip, and the second head passes through the sand grip joint cooperation of constant head and adjacent core strip. Thereby make the edge parallel and level of this big core through first head and second head, through the joint cooperation between the core strip, the connectivity and the wholeness between the adjacent core strip have been improved to when bearing or bearing moment of flexure, the joint structure between sand grip and the recess plays the effect of bending resistance, compares two sets of core strips that only connect through the adhesive, has stronger bending resistance in the junction, thereby has improved the holistic bending resistance of this big core and load strength. And earlier be favorable to fixing a position when bonding through the mode of sand grip and recess joint between the core strip, compare two core strips of group and bond through the plane, have faster production efficiency.
The present invention may be further configured in a preferred embodiment as: and round corners are arranged on two long edges of the raised strips parallel to the single plates in an inverted mode.
Through adopting above-mentioned technical scheme, be equipped with the fillet with two long edges that sand grip and veneer are parallel, be favorable to more smoothly with sand grip and recess joint.
The present invention may be further configured in a preferred embodiment as: and an adhesive is injected between the round angle of the convex strip and the groove bottom of the groove in the insertion fit with the convex strip.
Through adopting above-mentioned technical scheme, because be formed with the clearance between the fillet department of sand grip and the tank bottom of recess to can improve the quantity of adhesive, be favorable to improving the joint strength between the adjacent core strip, and the adhesive has certain toughness after solidifying, also is favorable to improving the holistic toughness of big core board.
The present invention may be further configured in a preferred embodiment as: and round corners are arranged on two long edges of the groove parallel to the single plate in an inverted manner.
Through adopting above-mentioned technical scheme, be equipped with the fillet with two long edges that the recess is parallel with the veneer, be favorable to more smoothly with sand grip and recess joint.
The present invention may be further configured in a preferred embodiment as: and adhesive is injected between the round corners of the grooves and the two sides of the raised lines in inserting fit with the grooves.
Through adopting above-mentioned technical scheme, because be formed with the clearance between the fillet department of recess and the both sides of sand grip to can improve the quantity of adhesive, be favorable to improving the joint strength between the adjacent core strip, and the adhesive has certain toughness after solidifying, also is favorable to improving the holistic toughness of big core board.
The present invention may be further configured in a preferred embodiment as: bearing grooves are formed in two ends, close to the first seal head and the second seal head, of one surface, facing the core plate, of the single plate, the length direction of each bearing groove is parallel to the length direction of the corresponding protruding strip, and bearing strips matched with the bearing grooves in shape are fixed on two sides of the first seal head and the second seal head in a protruding mode.
By adopting the technical scheme, the bearing grooves are formed in the single plates, and the bearing strips matched with the bearing grooves are fixed at the corresponding positions of the first seal head and the second seal head in a protruding mode, so that the connectivity between the first seal head and the single plates and between the second seal head and the single plates is improved through the bearing strips, the contact area between the first seal head and the single plates and the contact area between the second seal head and the single plates are larger, the bonding area and the bonding strength are favorably improved, and the overall strength and the integrity of the large core plate are further improved.
The present invention may be further configured in a preferred embodiment as: the bearing strip on the first seal head and the first seal head are integrally formed, and the bearing strip on the second seal head and the second seal head are integrally formed.
Through adopting above-mentioned technical scheme, through with first head and second head respectively with load strip integrated into one piece, be favorable to carrying out batch production, reduction in production cost improves production efficiency.
The present invention may be further configured in a preferred embodiment as: the single plate is provided with a bearing strip, the bearing strip is provided with a plurality of slots, and the slots are respectively arranged on two sides of the bearing strip facing the single plate and are respectively provided with an inserting block, and the slots are in clamping fit with the inserting blocks.
By adopting the technical scheme, the first seal head and the second seal head are in plug-in fit with the slot of the veneer through the plug block, so that the connection between the first seal head and the veneer and the connection between the second seal head and the veneer are further improved, and the veneer and the core plate are not easy to separate when the large core plate bears parallel shearing force.
To sum up, the utility model discloses following beneficial effect has:
1. the core strips are fixed with the convex strips and provided with the grooves, so that the adjacent core strips are in clamping fit with each other through the convex strips and the grooves, the two ends of the core plate are leveled through the first sealing head and the second sealing head, the connection and integrity between the adjacent core strips are improved through the clamping fit between the core strips, and the clamping structure between the convex strips and the grooves has the bending resistance effect when bearing or bearing bending moment;
2. fillets are arranged on long edges of the convex strips and the grooves parallel to the single plates in an inverted mode, so that adjacent core strips can be conveniently and rapidly inserted, gaps for injecting adhesive are formed between the convex strips and the grooves, and the improvement of the connectivity between the adjacent core strips and the overall toughness of the large core plate is facilitated;
3. the bearing grooves are formed in the single plates, and the bearing strips matched with the bearing grooves are fixed at the corresponding positions of the first seal head and the second seal head, so that the connectivity between the first seal head, the second seal head and the single plates is improved, the contact area between the first seal head, the second seal head and the single plates is larger, the bonding area and the bonding strength are favorably improved, and the overall strength and the integrity of the large core plate are improved.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a sectional view of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
fig. 4 is an exploded view of example 2.
Reference numerals: 1. a single board; 11. a force bearing groove; 12. a slot; 2. a core board; 21. a core bar; 22. a convex strip; 23. a groove; 3. a first end enclosure; 31. a positioning bar; 4. a second end enclosure; 41. positioning a groove; 5. a force bearing strip; 51. and (5) inserting the blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to fig. 2, the utility model discloses a big core of wood, including two sets of platelike veneers 1, veneer 1 can adopt two-layer or multilayer plywood, and two-sided veneer 1 is just to setting up, and the bonding is fixed with core 2 before the two-sided veneer 1.
The core plate 2 comprises a plurality of strip-shaped core strips 21, a protruding strip 22 is fixed on one side surface of the core strip 21 parallel to the length direction in a protruding mode, a groove 23 matched with the protruding strip 22 in shape is formed in the other side surface, away from the protruding strip 22, of the core strip 21, and the protruding strip 22 and the groove 23 are as long as the core strip 21. Through sand grip 22 and recess 23 joint cooperation between the adjacent core strip 21, the joint department is fixed through the adhesive, and the combination forms core 2 to make core 2 end to end protrusion respectively have sand grip 22 and sunken recess 23.
Wherein first head 3 and second head 4 are installed respectively to core 2's head and tail both ends, and the protrusion of first head 3 one side has shape and recess 23 complex location strip 31, and the one side that location strip 31 was kept away from to first head 3 is parallel and level with the edge of veneer 1, and the sunken constant head 41 that has shape and sand grip 22 complex in second head 4 one side, and the one side that constant head 41 was kept away from to second head 4 is parallel and level with the edge of veneer 1. The first end socket 3 is in clamping fit with the groove 23 of the adjacent core strip 21 through the positioning strip 31, and the second end socket 4 is in clamping fit with the convex strip 22 of the adjacent core strip 21 through the positioning groove 41. Thereby make the edge parallel and level of this big core through first head 3 and second head 4, through the joint cooperation between the core strip 21, the connectivity and the wholeness between the adjacent core strip 21 have been improved, and when the bearing or bear the moment of flexure, the joint structure between sand grip 22 and the recess 23 plays the effect of bending resistance, compare two sets of core strips 21 that only connect through the adhesive, there is stronger bending resistance in the junction, thereby the holistic bending resistance of this big core and load strength have been improved. And earlier be favorable to fixing a position when bonding through the mode of sand grip 22 and recess 23 joint between the core strip 21, compare two core strips 21 and bond through the plane, have faster production efficiency.
Example 2:
this example differs from example 1 in that: bearing grooves 11 are formed in two ends, close to the first seal head 3 and the second seal head 4, of one surface, facing the core plate 2, of the single plate 1, the length direction of each bearing groove 11 is parallel to the length direction of the corresponding protruding strip 22 and is equal to the length direction of the corresponding protruding strip 22, and bearing strips 5 matched with the bearing grooves 11 in shape are fixed on two sides of the first seal head 3 and the second seal head 4 in a protruding mode. The bearing strip 5 on the first seal head 3 and the first seal head 3 are integrally formed, and the bearing strip 5 on the second seal head 4 and the second seal head 4 are integrally formed.
And the two sides of the bearing strip 5 facing the single plate 1 are respectively provided with a plurality of inserting blocks 51 in a protruding manner, the inserting blocks 51 are distributed at equal intervals along the length direction of the bearing strip 5, and the single plate 1 is provided with a slot 12 which is in clamping fit with the inserting blocks 51 at the position opposite to the inserting blocks 51. Therefore, after the core plate 2 is assembled, the panel moves towards the plane where the core plate 2 is located and the insertion block 51 is in insertion fit with the insertion slot 12, so that the connectivity between the first seal head 3 and the second seal head 4 and the single plate 1 is further improved, and when the large core plate bears parallel shearing force, the single plate 1 is not easy to separate from the core plate 2.
Wherein, round corners are arranged on two long edges of the convex strip 22 parallel to the veneer 1, and adhesive is injected between the round corners of the convex strip 22 and the groove bottom of the groove 23 in the inserting fit with the convex strip 22. The two long edges of the groove 23 parallel to the single plate 1 are provided with fillets, and the fillets of the groove 23 and the two sides of the raised line 22 in splicing fit with the groove 23 are filled with adhesive.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a big core board of wood, includes two sets of veneers (1) just to setting up and is located core board (2) in two sets of veneers (1), characterized by: the core plate (2) comprises a plurality of core strips (21), a convex strip (22) protrudes from one side of each core strip (21), a groove (23) which is matched with the convex strip (22) in shape is formed in a concave manner in one side, far away from the convex strip (22), of each core strip (21), and the adjacent core strips (21) are mutually clamped through the convex strips (22) and the grooves (23); the head and tail both ends of core (2) are provided with first head (3) and second head (4) respectively, first head (3) one side protrusion have the shape with recess (23) complex location strip (31), keep away from in first head (3) one side of location strip (31) with the edge parallel and level of veneer (1), second head (4) one side is sunken have the shape with sand grip (22) complex constant head tank (41), keep away from in second head (4) one side of constant head tank (41) with the edge parallel and level of veneer (1).
2. The large core board of solid wood as claimed in claim 1, wherein: and round corners are arranged on two long edges of the raised strips (22) parallel to the veneer (1) in an inverted manner.
3. The large core board of solid wood as claimed in claim 2, wherein: and an adhesive is injected between the round angle of the convex strip (22) and the groove bottom of the groove (23) in inserted fit with the convex strip (22).
4. The large core board of solid wood as claimed in claim 1, wherein: and fillets are arranged on two long edges of the groove (23) parallel to the veneer (1) in an inverted mode.
5. The large core board of solid wood as claimed in claim 4, wherein: and adhesive is injected between the fillet of the groove (23) and the two sides of the raised line (22) in inserted fit with the groove (23).
6. The large core board of solid wood as claimed in claim 1, wherein: the single plate (1) faces towards one surface of the core plate (2) and is close to two ends of the first seal head (3) and the second seal head (4), the bearing grooves (11) are formed in the two ends of the first seal head (3) and the second seal head (4), the length direction of the bearing grooves (11) is parallel to the length direction of the raised lines (22), and bearing strips (5) matched with the shape of the bearing grooves (11) are fixed on the two sides of the first seal head (3) and the two sides of the second seal head (4) in a protruding mode.
7. The large core board of solid wood as claimed in claim 6, wherein: the bearing strip (5) on the first seal head (3) and the first seal head (3) are integrally formed, and the bearing strip (5) on the second seal head (4) and the second seal head (4) are integrally formed.
8. The large core board of solid wood as claimed in claim 6, wherein: inserting blocks (51) respectively protrude from two sides of the bearing strip (5) facing the single plate (1), and a slot (12) in clamping fit with the inserting blocks (51) is formed in the position, opposite to the inserting blocks (51), of the single plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498907.6U CN211362673U (en) | 2019-12-31 | 2019-12-31 | Big core plate of wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498907.6U CN211362673U (en) | 2019-12-31 | 2019-12-31 | Big core plate of wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211362673U true CN211362673U (en) | 2020-08-28 |
Family
ID=72167484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922498907.6U Expired - Fee Related CN211362673U (en) | 2019-12-31 | 2019-12-31 | Big core plate of wood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211362673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663897A (en) * | 2020-11-18 | 2021-04-16 | 舒城欧舍丽新材料科技有限公司 | Low-noise wood-plastic bottom plate |
-
2019
- 2019-12-31 CN CN201922498907.6U patent/CN211362673U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663897A (en) * | 2020-11-18 | 2021-04-16 | 舒城欧舍丽新材料科技有限公司 | Low-noise wood-plastic bottom plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20211231 |