CN213918718U - Anti-compression anti-cracking combined plywood - Google Patents

Abstract

The utility model discloses a combination formula plywood that ftractures is prevented in resistance to compression, including upper plate and hypoplastron, the equal fixedly connected with in the lower surface left and right sides of upper plate supports the work piece, and is two sets of the bottom fixedly connected with slider of support work piece, the equal fixedly connected with L shape connecting block in the upper surface left and right sides of hypoplastron, the right side of slider and the horizontal board lower surface sliding connection of L shape connecting block. This resistance to compression anti-cracking combined plywood supports that filling block cooperation upper groove that frock left wall middle part is connected can fill between two sets of installation pieces, secondly offers the notch through the inboard at the support frock to alternately install the connecting strip between two sets of notch, the installation back is leading-in with the saw-dust to between two sets of support frocks, adds glue, makes its support to the bottom plate position, avoids the plywood of installation peripheral fracture to appear.

Description

Anti-compression anti-cracking combined plywood

Technical Field

The utility model relates to a plywood field specifically is a combination formula plywood that ftractures is prevented in resistance to compression.

Background

Plywood is a three-layer or multi-layer plate material made up by using wood segments and making them be rotary-cut into single board or sliced into thin wood and using adhesive to make them be glued together, and is made up by using odd number of layers of single boards and making the fibre directions of adjacent layers of single boards be mutually perpendicular

However, when the conventional pressure-resistant anti-cracking combined plywood on the market is used, the plywood in the prior art does not have a pressure-resistant effect, and plates positioned on the periphery of the plywood can crack or break after receiving pressure under the condition of overlarge pressure, so that the structure is not optimized and the design is not reasonable enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula plywood that ftractures is prevented in resistance to compression to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a combination formula plywood that ftractures is prevented in resistance to compression, includes upper plate and hypoplastron, the equal fixedly connected with in the lower surface left and right sides of upper plate supports the work piece, and is two sets of the bottom fixedly connected with slider of supporting the work piece, the equal fixedly connected with L shape connecting block in the upper surface left and right sides of hypoplastron, the right side of slider and the horizontal board lower surface sliding connection of L shape connecting block, the filling layer has been seted up with the junction middle part of hypoplastron to the upper plate, the right side of supporting the work piece is provided with the preformed groove, the below in preformed groove is provided with the bottom plate, the upper surface right side at the hypoplastron is fixed to the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, the lower surface left and right sides fixed connection support workpiece at the upper plate, and at the upper surface left and right sides fixed connection L shape connecting block of hypoplastron, and the notch sliding connection of slider that the bottom of supporting workpiece is connected at L shape connecting block lower surface and hypoplastron upper surface, set up the spout simultaneously at two sets of support workpiece inboards, simultaneously at spout intraoral sliding connection filling layer, promote towards upper plate and hypoplastron bottom, after the filling layer promoted the back position of nut stationary blade, will be kept off by the check, thereby realize the location, its structure is optimized more, the design is more reasonable.

The utility model discloses, close two sets of installation pieces of limit layer position installation after the cover of hypoplastron at the upper plate, the support frock that sets up on the right side of two sets of installation pieces need promote towards installation piece right side, the grafting piece that position is connected about the support frock left wall at this moment will insert in the notch of recess, and the filling block cooperation upper groove that support frock left wall middle part is connected can fill between two sets of installation pieces, secondly set up the notch through the inboard at the support frock, and alternately install the connecting strip between two sets of notches, after the installation, lead-in the saw-dust between two sets of support frock, add glue, make its support to the bottom plate position, avoid the plywood of installation to appear peripheral fracture.

Drawings

Fig. 1 is a schematic structural view of a compression-resistant anti-cracking composite plywood.

Fig. 2 is a bottom structure view of an upper plate and a lower plate of a pressure-resistant anti-cracking combined plywood.

FIG. 3 is a side view of an upper plate and a lower plate of a compression-resistant and crack-resistant combined plywood;

fig. 4 is an enlarged view of a portion a of fig. 3 of a compression-resistant and crack-resistant plywood.

In the figure: the device comprises an upper plate 1, a supporting workpiece 2, a lower plate 3, an L-shaped connecting block 4, a filling layer 5, a sliding block 6, a preformed groove 7, a nut fixing piece 8, a baffle plate 9, a mounting block 10, a bottom plate 11, a groove 12, a connecting strip 13, an inserting block 14, a filling block 15, a groove opening 16 and a supporting tool 17.

Detailed Description

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

Referring to fig. 1-3, in the embodiment of the present invention, a compression-resistant cracking-resistant combined plywood comprises an upper board 1 and a lower board 3, wherein the left and right sides of the lower surface of the upper board 1 are fixedly connected with supporting workpieces 2, the bottoms of the two groups of supporting workpieces 2 are fixedly connected with sliders 6, the left and right sides of the upper surface of the lower board 3 are fixedly connected with L-shaped connecting blocks 4, the right side of each slider 6 is slidably connected with the lower surface of a transverse board of each L-shaped connecting block 4, a filling layer 5 is arranged in the middle of the joint of the upper board 1 and the lower board 3, a preformed groove 7 is arranged on the right side of each supporting workpiece 2, a bottom board 11 is arranged below the preformed groove 7, the bottom board 11 is fixedly connected to the right side of the upper surface of the lower board 3, the bottom end of each slider 6 is fixedly connected with a nut fixing piece 8 through a nut, all welded installation piece 10 in the notch top of preformed groove 7 and the position about the bottom, recess 12 has been seted up to the lower surface of installation piece 10, the equal sliding connection in position supports frock 17 around the lower surface of bottom plate 11, support frock 17's left wall middle part fixedly connected with filling block 15, notch 16 has all been seted up in the position about the right wall of preformed groove 7, fixedly connected with connecting strip 13 between two sets of notch 16, weld recess 12 on the left wall of filling block 15, support frock 17's left wall about the equal fixedly connected with of position plug-in block 14, plug-in block 14's top is located the inside groove of recess 12, the intussuseption of filling layer 5 is filled with saw-dust and glue.

The utility model discloses a theory of operation is: when the nut positioning device is used, the left side and the right side of the lower surface of the upper plate 1 are fixedly connected with the supporting workpieces 2, the left side and the right side of the upper surface of the lower plate 3 are fixedly connected with the L-shaped connecting blocks 4, the sliding blocks 6 connected with the bottom ends of the supporting workpieces 2 are in sliding connection with the notches in the upper surfaces of the lower plates 3 on the lower surfaces of the L-shaped connecting blocks 4, sliding grooves are formed in the inner sides of the two groups of supporting workpieces 2, the filling layers 5 are in sliding connection in the sliding grooves and pushed towards the bottom ends of the upper plate 1 and the lower plate 3, and when the filling layers 5 are pushed to the back positions of the nut fixing pieces 8, the nut fixing pieces are blocked, so that positioning is realized;

adding wood chips into the groove openings of the filling layer 5, and after the wood chips are completely added, adding glue to adhere the wood chips together to realize the adhesion of the upper plate 1 and the lower plate 3;

secondly, the two sets of installation blocks 10 are installed at the edge layer position of the upper plate 1 covered with the lower plate 3, the supporting tool 17 arranged on the right side of the two sets of installation blocks 10 needs to be pushed towards the right side of the installation blocks 10, the insertion blocks 14 connected with the upper and lower parts of the left wall of the supporting tool 17 at the moment can be inserted into the notches of the grooves 12, the filling blocks 15 connected with the middle part of the left wall of the supporting tool 17 can be matched with the upper grooves 12 to fill the space between the two sets of installation blocks 10, then, the concave notches 16 are formed in the inner side of the supporting tool 17, connecting strips 13 are installed between the two sets of concave notches 16 in a crossed mode, after installation, saw dust is guided into the space between the two sets of supporting tools 17, glue is added, the saw dust supports the position of the bottom plate 11, and peripheral fracture of the installed plywood is avoided.

Claims (5)

1. The utility model provides a combination formula plywood of cracking is prevented in resistance to compression, includes upper plate (1) and hypoplastron (3), its characterized in that: the all fixedly connected with of the lower surface left and right sides of upper plate (1) supports work piece (2), and is two sets of bottom fixedly connected with slider (6) of supporting work piece (2), the all fixedly connected with L shape connecting block (4) of the upper surface left and right sides of hypoplastron (3), the right side of slider (6) and the horizontal board lower surface sliding connection of L shape connecting block (4), filling layer (5) have been seted up with the junction middle part of hypoplastron (3) in upper plate (1), the right side of supporting work piece (2) is provided with reservation groove (7), the below of reservation groove (7) is provided with bottom plate (11), upper surface right side at hypoplastron (3) is connected in bottom plate (11) is fixed in bottom plate (11).

2. The pressure-resistant anti-cracking combined plywood of claim 1, wherein: the bottom of slider (6) is through nut fixedly connected with nut stationary blade (8), sliding connection has baffle (9) in the notch of filling layer (5), the one end of nut stationary blade (8) is in the back of filling layer (5) and leans on lower position.

3. The pressure-resistant anti-cracking combined plywood of claim 1, wherein: the upper portion and the lower portion of the top end and the bottom end of the notch of the reserved groove (7) are welded with mounting blocks (10), and the lower surface of each mounting block (10) is provided with a groove (12).

4. The pressure-resistant anti-cracking combined plywood of claim 1, wherein: the equal sliding connection in position has support frock (17) around the lower surface of bottom plate (11), the left wall middle part fixedly connected with filling block (15) of support frock (17), notch (16), two sets of have all been seted up to the position about the right wall of reserve groove (7) fixedly connected with connecting strip (13) between notch (16).

5. The pressure-resistant anti-cracking combined plywood of claim 4, wherein: a groove (12) is welded on the left wall of the filling block (15), the upper portion and the lower portion of the left wall of the supporting tool (17) are fixedly connected with an inserting block (14), and the top end of the inserting block (14) is located in an inner groove of the groove (12).

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