(3) summary of the invention
The object of the present invention is to provide a kind of plastic thin wall caddy, have simple, easy, the characteristics such as cost is low, convenient transportation of producing.
Solution of the present invention is on the basis of existing technology, comprise upper plate, side plate, lower shoe on every side, upper plate, side plate, lower shoe surround each other and form sealed hollow thin-walled box on every side, it is characterized in that described upper plate, side plate, lower shoe are plastic plate and are put together on every side, the amalgamation position connects into integral body by connector, and at least one plastic plate is provided with inner support wall member that supports thin-walled box inwall and the envelope wall member that seals the box end wall.Like this, upper plate, side plate, lower shoe can adopt all that plastics are disposable to be made at in-mold molding on every side, its production is simple, easy, cost is low, simultaneously, can assemble by connector by each plastic plate etc. at the construction field (site) and form, thereby each parts occupation space in transportation is little, the quantity of each transportation is many, freight is low, convenient transportation, the corresponding cost of production of plastic thin wall caddy and the construction cost of cast-in-situ reinforcing steel bar concrete hollow slab of having reduced; Simultaneously, because at least one plastic plate is provided with inner support wall member that supports thin-walled box inwall and the envelope wall member that seals the box end wall, thereby the inner support wall member inserts in the thin-walled box port, the port of thin wall box has been played the effect of support, setting, when the port pressurized, because of the support of inner support wall member is arranged, the port of thin wall box can cracking destruction, thereby makes the breakage rate of plastic thin wall caddy be minimized; Simultaneously, the port closed that is arranged so that thin wall box of envelope wall member gets better, in addition, also can play the effect of banding to port, thereby problems of the prior art have been solved, reached purpose of the present invention, in addition, plastic thin wall caddy also has characteristics such as simple in structure, that intensity is high, construction application is convenient, the hollowcore slab, hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to various cast-in-situ reinforced concretes or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also the envelope wall member of inner support wall member on the described plastic plate and envelope box end wall constitutes the female groove on the plastic plate, and insert in female groove the end of plastic plate, sealing thin-walled box.Like this, female groove is the sealing of complete and driving fit ground with the end of thin wall box, and simultaneously, the envelope wall member has played the effect with the port banding, and thin wall box is waled tightly, makes the globality of the thin-walled box that is put together by the polylith plate better.
Feature of the present invention is that also the limit of the inner support wall member of the female groove on the described plastic plate is higher than the limit of sealing wall member.Like this, the limit of inner support wall member is higher than the limit of sealing wall member, and its inner support wall member can play the effect of positioning and guiding, and female groove is entangled port rapidly and accurately, can conveniently manufacture, and enhances productivity.
Feature of the present invention also is to have in female groove on the described plastic plate support wall taper support member.Like this, after female groove entangled the port of thin wall box, the taper support member had played the effect of taper, the port of thin wall box firmly is fastened in female groove, make the combination of hush panel and thin wall box more firm, be difficult for becoming flexible, coming off, reduced the proportion of goods damageds of plastic thin wall caddy.
But feature of the present invention also is to be provided with in the cavity of described thin-walled box at least a in support bar ring frame, bracing ring frame, support bar or the gripper shoe of split, and is connected with the inwall contact of the plastic plate of thin-walled box.Like this, after the thin wall box inner chamber is provided with above-mentioned supporting member; the bearing capacity of thin wall box has obtained significantly improving; make box body not yielding; particularly when described thin-walled box is applied in the cast-in-situ reinforcing steel bar concrete hollow slab; in work progress, the thin-walled box that is provided with above-mentioned supporting member is difficult for deforming, and the phenomenon that box body breaks perhaps takes place.
Feature of the present invention is that also described support bar ring frame, bracing ring frame, support bar or gripper shoe are provided with the socket joint recess, and the plastic plate of socket joint indent is provided with reinforcing rib or locating piece, and is connected with the superimposed build-in of socket joint recess.Like this, the superimposed build-in of socket joint recess and reinforcing rib or locating piece, with described support bar ring, bracing ring, support bar or gripper shoe build-in location firmly, it is solid and reliable to be bonded to each other, be difficult for moving, guaranteed the quality of plastic thin wall caddy, thereby made plastic thin wall caddy transport, pile up, carry and use in the installation process, be not prone to distortion or breakoff phenomenon, its globality is better.
Feature of the present invention is that also described support bar ring frame, bracing ring frame, support bar or gripper shoe are provided with the socket joint recess, and is connected with the superimposed build-in of connector.Like this, behind the superimposed build-in of splicing bar that socket joint recess and connector form, the socket joint recess will splice bar to be closed tightly and blocks, the socket joint recess has played the fastening snap action, make tube wall amalgamation position more not easily separated, can reduce the loss of plastic thin wall caddy effectively, improve the qualification rate of product.
Feature of the present invention also is to have in the described gripper shoe at least, and a slice is the hollow support plate.Like this, when in the gripper shoe hollow gripper shoe being arranged, can save lot of materials, simultaneously, also can reduce the weight of plastic thin wall caddy significantly, make plastic thin wall caddy lighter, be easy to carrying, reduce production, pile up, the cost of transportation and installation.
It is that the empty bar of plastics and concrete or mortar core are composited that feature of the present invention also is to have in the described support bar at least one support bar.Like this; when empty bar of promising plastics and concrete or mortar core are composited in the support bar; concrete or mortar core have increased substantially the strength and stiffness of supporting rod; the whole supporting rod of the empty pole pair of the plastics of outsourcing has played good protective action; make not frangibility of support bar; make also that simultaneously support member has better transmission force property, be applied in the cast-in-situ reinforcing steel bar concrete hollow slab after, can fully satisfy the requirement of transmitting stress.
It is that the empty bar of papery and concrete or mortar core are composited that feature of the present invention also is to have in the described support bar at least one support bar.Like this; when empty bar of promising papery and concrete or mortar core are composited in the support bar; concrete or mortar core have increased substantially the strength and stiffness of supporting rod; the whole supporting rod of the empty pole pair of the papery of outsourcing has played good protective action; make not frangibility of support bar; make also that simultaneously support bar has better transmission force property, be applied in the cast-in-situ reinforcing steel bar concrete hollow slab after, can fully satisfy the requirement of transmitting stress.
It is the overstriking rod member that feature of the present invention also is to have in the described support bar at least one support bar.Like this, after the support bar overstriking, the strength and stiffness of support bar have all obtained significantly improving, and its anti-folding cracking resistance is better, after described plastic thin wall caddy was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, the supporting rod of overstriking can fully satisfy the requirement of transmitting stress.
It is hollow rod member that feature of the present invention also is to have in the described support bar at least one support bar.Like this, it is hollow rod member that support bar is arranged in described support bar, thereby can alleviate the weight of supporting rod, saves cost, and simultaneously, above-mentioned supporting rod can also the participation structure power transmission, improves the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab structure.
It is annular rod member that feature of the present invention also is to have in the described support bar at least one support bar.Like this, when support bar was annular rod member, support bar can play the effect of setting location, and simultaneously, annular rod member also can play good inner support effect, makes plastic thin wall caddy not yielding.
Feature of the present invention also is to have in the described support bar at least one support bar for intersecting rod member.Like this, when in the support bar during promising intersection rod member, crossbar can two-way power transmission, makes the plastic thin wall caddy can a plurality of direction pressure-bearings and not fragile, has improved the quality of thin-walled box.
It is the zigzag rod member that feature of the present invention also is to have in the described support bar at least one support bar.Like this, the support bar of zigzag is easy for installation, accurate positioning, and the zigzag rod member also has the better elastic deformability simultaneously, and behind the box body compressive deformation, the zigzag rod member can make its quick recovery, guarantees the quality of plastic thin wall caddy effectively.
It is I-shaped rod member that feature of the present invention also is to have in the described support bar at least one support bar.I-shaped like this rod member has very favorable rigidity, and behind the plastic thin wall caddy pressurized, box body can not be out of shape, and simultaneously, support bar is easy for installation, and accurate positioning has improved the quality of plastic thin wall caddy.
Feature of the present invention is that also described many support bars constitute the truss support part.Like this, after described plastic thin wall caddy was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, above-mentioned member can the participation structure power transmission, improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab structure.
Feature of the present invention is that also in support bar ring frame, bracing ring frame, support bar or the gripper shoe in the described thin-walled box at least one exposes.Like this, after described plastic thin wall caddy was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, the member exposed parts can combine with Cast-in-place concrete, thereby made that above-mentioned member can the participation structure power transmission, improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab structure.
Feature of the present invention is that also in described support bar ring frame, bracing ring frame, support bar or the gripper shoe at least one exposes at the amalgamation position of thin-walled box.Like this, after described plastic thin wall caddy was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, exposed parts can combine with Cast-in-place concrete, thereby made that above-mentioned member can the participation structure power transmission, improved the mechanical property of cast-in-situ reinforcing steel bar concrete hollow slab structure; Simultaneously, above-mentioned member can carry out the part to the amalgamation position of thin-walled box and strengthen, and makes the thin-walled box not easy to crack at the amalgamation position, has guaranteed that effectively the amalgamation of thin-walled box is solid and reliable.
Feature of the present invention is that also described support bar ring frame, bracing ring frame, support bar or gripper shoe have connector to be connected with the box wall amalgamation position of thin-walled box.Like this, the amalgamation position firm and reliable connection of above-mentioned member and thin-walled box, the amalgamation position that makes the thin-walled box is the cracky cracking not.
Feature of the present invention is that also described connector is anti-slip male and female groove connector, and the public bar of connector inserts in female groove and connects, and female groove is provided with anti-slip member.Like this, the connection of plastic thin wall caddy is firm, and public bar can slippage from female groove, good integrity, and during construction, carrying is laid convenient, does not influence follow-up construction.
Feature of the present invention is that also described connector is the connector of female groove amalgamation of the public bar of a side of plastic plate and opposite side.Like this, public bar and female groove fasten mutually, firm and reliable connection, and easy to connect, quick.
Feature of the present invention is that also described connector is the connector of the female groove amalgamation of the outer crack of interior big outer little public bar and interior big sky.Like this, during the connector of crack mother groove amalgamation, connector can rely on the firmly combination mutually of public bar and female groove, and connector is not got loose, and can fully guarantee the total quality of thin-walled box outside connector is interior big outer little public bar and interior big sky.
Feature of the present invention is that also described connector is the connector that public post and female hole form, and public post inserts in female hole and connects.Like this, when plastic plate was assembled into the thin-walled box, its connection was more convenient, helped reducing the cost of production of thin-walled box.
Feature of the present invention is that also the inboard of described plastic plate is provided with reinforcing rib.Like this, after the inboard of plastic plate is provided with reinforcing rib, improved the rigidity and the intensity of plastic plate greatly, make plastic plate not yielding, simultaneously, when described thin-walled box was applied in the cast-in-situ reinforcing steel bar concrete hollow slab, plastic plate can satisfy the requirement of bearing working load.
Feature of the present invention is that also there are at least one pin cross-under two parts at the splicing position of the plastic plate of described thin-walled box.Like this, pin firmly links together each plate of thin wall box, has improved the overall performance of plastic thin wall caddy greatly.
Feature of the present invention is that also there is the glued layer that splices between two parts at the splicing position of the plastic plate of described thin-walled box.Like this, after between was provided with glued layer, both spliced bonding firmly closely knit, and good seal performance can prevent that Cast-in-place concrete or cement mortar from entering in the thin-walled box, and simultaneously, the overall performance of plastic thin wall caddy is better.
Feature of the present invention is that also the amalgamation position of described thin-walled box is provided with the reinforcing rib of convex.Like this, the reinforcing rib of convex has improved the intensity at amalgamation position greatly, makes the amalgamation position not fragile, simultaneously, has also improved the anti-pressure ability of thin-walled box, can fully satisfy the application under the various different situations.
Feature of the present invention is that also described plastic plate is the plastic plate of an extrusion molding.Like this, when plate was the plastic sheet of an extrusion molding, manufacturing of plate was very quick and convenient, but mechanization produce in enormous quantities, help the large-scale promotion application of thin-walled box.
Feature of the present invention is that also described plastic plate is that the public bar of band of an extrusion molding is or/and the plastic sheet of female groove.Like this, can reduce the difficulty of manufacturing of plate significantly, reduce the breakage rate of public bar or female groove, help reducing product cost.
Feature of the present invention also is to contain reinforce in the described plastic plate.Like this, reinforce can improve the intensity of the plastic plate of thin-walled box greatly, makes its tension, resistance to compression, shear resistance better, simultaneously, can increase substantially the total quality of thin-walled box.
Feature of the present invention is that also the wall of at least one female groove of described connector contains at least a in the reinforces such as multiple bar, band or muscle of reinforcing.Like this, reinforce has improved the intensity of female groove, makes its tension, resistance to compression, shear resistance better, and simultaneously, the reinforce variation of reinforcing is convenient to draw materials, and has made things convenient for and has manufactured.
Feature of the present invention is that also the outer wall of the plastic plate of described thin-walled box is a bellows wall.Like this; the outer wall of thin wall box is a bellows wall; when the thin-walled box is applied in the cast-in-situ reinforcing steel bar concrete hollow slab; can increase considerably the bonding area of box body and Cast-in-place concrete, improve the adhesion strength between Cast-in-place concrete and the box body, simultaneously; the thin-walled box good rigidly of bellows wall; intensity height, bearing capacity is strong, can bear bigger working load.
Feature of the present invention is that also the level of described thin-walled box or longitudinal cross-section are shaped as rectangle or polygon.Like this, the variation of the shape of cross section of thin-walled box helps different designs and unit in charge of construction selects for use, reduces construction cost.
Feature of the present invention is that also described thin-walled box is square hexahedron, and side plate is put together by four plastic plates on every side.Like this, more help different designs and unit in charge of construction selects for use, reduce construction cost.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise upper plate 1, side plate 2 on every side, lower shoe 3, upper plate 1, side plate 2 on every side, lower shoe 3 surrounds each other and forms sealed hollow thin-walled box, it is characterized in that described upper plate 1, side plate 2 on every side, lower shoe 3 is plastic plate 4 and is put together, the amalgamation position connects into integral body by connector 5, at least one plastic plate 4 is provided with inner support wall member 6 that supports thin-walled box inwall and the envelope wall member 7 that seals the box end wall, female groove 8 that the envelope wall member 7 of inner support wall member 6 on the plastic plate 4 and envelope box end wall constitutes on the plastic plate 4, insert in female groove 8 end of plastic plate 4, sealing thin-walled box.In each accompanying drawing, 1 is upper plate, 2 be around side plate, 3 be lower shoe, 4 be plastic plate, 5 is connector, 6 is the inner support wall member, 7 be to seal wall member, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, comprise upper plate 1, side plate 2, lower shoe 3 on every side, upper plate 1, side plate 2, lower shoe 3 surround each other and form sealed hollow thin-walled box on every side, described upper plate 1, side plate 2, lower shoe 3 are plastic plate 4 and are put together on every side, the amalgamation position connects into integral body by connector 5, and plastic plate 4 is provided with inner support wall member 6 that supports thin-walled box inwall and the envelope wall member 7 that seals the box end wall.
Feature of the present invention also is female groove 8 that the envelope wall member 7 of inner support wall member 6 on the described plastic plate 4 and envelope box end wall constitutes on the plastic plates 4, and insert in female groove 8 end of plastic plate 4, sealing thin-walled box.As shown in Figure 2, female groove 8 that the envelope wall member 7 of inner support wall member 6 on its described plastic plate 4 and envelope box end wall constitutes on the plastic plate 4, insert in female groove 8 end of plastic plate 4, sealing thin-walled box.
Feature of the present invention is that also the limit of the inner support wall member 6 of the female groove 8 on the described plastic plate 4 is higher than the limit of sealing wall member 7.As shown in Figure 3, the limit of the inner support wall member 6 of the female groove 8 on its described plastic plate 4 is higher than the limit of sealing wall member 7.
Feature of the present invention also is to have in female groove 8 on the described plastic plate 4 support wall taper support member 9.As shown in Figure 3, support wall taper support member 9 is arranged in the female groove 8 on its described plastic plate 4.
But feature of the present invention also is to be provided with in the cavity of described thin-walled box at least a in support bar ring frame 10, bracing ring frame 11, support bar 12 or the gripper shoe 13 of split, and is connected with the inwall contact of the plastic plate 4 of thin-walled box.As shown in Figure 4, but be provided with the support bar ring frame 10 of split in the cavity of its described thin-walled box, and be connected with the inwall contact of the plastic plate 4 of thin-walled box, as shown in Figure 5, but be provided with the bracing ring frame 11 of split in the cavity of its described thin-walled box, and be connected with the inwall contact of the plastic plate 4 of thin-walled box.
Feature of the present invention is that also described support bar ring frame 10, bracing ring frame 11, support bar 12 or gripper shoe 13 are provided with socket joint recess 14, the plastic plate 4 at socket joint recess 14 places is provided with reinforcing rib 15 or locating piece 16, and is connected with socket joint recess 14 superimposed build-ins.As shown in Figure 6, its described support bar 12 is provided with socket joint recess 14, and the plastic plate 4 at socket joint recess 14 places is provided with reinforcing rib 15, and is connected with socket joint recess 14 superimposed build-ins.As shown in Figure 7, its described gripper shoe 13 is provided with socket joint recess 14, and the plastic plate 4 at socket joint recess 14 places is provided with locating piece 16, and is connected with socket joint recess 14 superimposed build-ins.
Feature of the present invention is that also described support bar ring frame 10, bracing ring frame 11, support bar 12 or gripper shoe 13 are provided with socket joint recess 14, and is connected with connector 5 superimposed build-ins.As shown in Figure 7, its described gripper shoe 13 is provided with socket joint recess 14, and is connected with connector 5 superimposed build-ins.
Feature of the present invention also is to have in the described gripper shoe 13 at least, and a slice is the hollow support plate.As shown in Figure 7, its described gripper shoe 13 is the hollow support plate.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be composited for the empty bar of plastics and concrete or mortar core.As shown in Figure 8, its described support bar 12 is that empty bar of plastics and mortar core are composited.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be composited for the empty bar of papery and concrete or mortar core.As shown in Figure 8, its described support bar 12 can also be composited for the empty bar of papery and concrete or mortar core.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be the overstriking rod member.As shown in Figure 9, its described support bar 12 is the overstriking rod member.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be hollow rod member.As shown in Figure 9, its described support bar 12 is hollow rod member.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be annular rod member.As shown in figure 10, its described support bar 12 is annular rod member.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 for intersecting rod member.As shown in figure 11, its described support bar 12 is for intersecting rod member.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be the zigzag rod member.As shown in figure 12, its described support bar 12 is the zigzag rod member.
Feature of the present invention also is to have in the described support bar 12 at least one support bar 12 to be I-shaped rod member.As shown in figure 13, its described support bar 12 is I-shaped rod member.
Feature of the present invention is that also described many support bars 12 constitute the truss support part.As shown in figure 14, its described many support bars 12 constitute the truss support part.
Feature of the present invention is that also in support bar ring frame 10, bracing ring frame 11, support bar 12 or the gripper shoe 13 in the described thin-walled box at least one exposes.As shown in figure 15, the support bar 12 in its described thin-walled box exposes.
Feature of the present invention is that also in described support bar ring frame 10, bracing ring frame 11, support bar 12 or the gripper shoe 13 at least one exposes at the amalgamation position of thin-walled box.As shown in figure 15, its described support bar 12 exposes at the amalgamation position of thin-walled box.
Feature of the present invention is that also described support bar ring frame 10, bracing ring frame 11, support bar 12 or gripper shoe 13 have connector 5 to be connected with the box wall amalgamation position of thin-walled box.As shown in figure 16, its described gripper shoe 13 has connector 5 to be connected with the box wall amalgamation position of thin-walled box.
Feature of the present invention is that also described connector 5 is anti-slip male and female groove connector, and the public bar 17 of connector 5 inserts in female groove 18 and connects, and female groove 18 is provided with anti-slip member 19.As shown in Figure 2, in its described connector 5 anti-slip male and female groove connector is arranged, the public bar 17 of connector 5 inserts in female groove 18 and connects, and female groove 18 is provided with anti-slip member 19.
Feature of the present invention also is the connector of described connector 5 for female groove 18 amalgamations of the public bar 17 of a side of plastic plate 4 and opposite side.As shown in Figure 2, the connector of female groove 18 amalgamations of the public bar 17 of its described connector 5 side that is plastic plate 4 and opposite side.
Feature of the present invention also is the connector of described connector 5 for interior big outer little public bar 17 and female groove 18 amalgamations of the outer crack of interior big sky.As shown in Figure 2, its described connector 5 is the connector of female groove 18 amalgamations of the outer crack of interior big outer little public bar 17 and interior big sky.
Feature of the present invention is that also described connector 5 has at least one public bar 17 or/and at least one female groove 18.As shown in Figure 2, its described connector 5 has a public bar 17 and a female groove 18.
Feature of the present invention also is the connector of described connector 5 for public post 20 and 21 formation of female hole, and public post 20 inserts in female hole 21 and connects.As shown in figure 17, its described connector 5 is the connector that public post 20 and female hole 21 form, and public post 20 inserts in female hole 21 and connects.
Feature of the present invention is that also the inboard of described plastic plate 4 is provided with reinforcing rib 15.As shown in figure 17, the inboard of its described plastic plate 4 is provided with reinforcing rib 15.
Feature of the present invention is that also there are at least one pin 22 cross-under two parts at the splicing position of the plastic plate 4 of described thin-walled box.As shown in figure 17, there are pin 22 cross-under two parts at the splicing position of the plastic plate 4 of its described thin-walled box.
Feature of the present invention is that also there is the glued layer 23 that splices between two parts at the splicing position of the plastic plate 4 of described thin-walled box.As shown in figure 18, there is the glued layer 23 that splices between two parts at the splicing position of the plastic plate 4 of its described thin-walled box.
Feature of the present invention is that also the amalgamation position of described thin-walled box is provided with the reinforcing rib 15 of convex.As shown in figure 18, the amalgamation position of its described thin-walled box is provided with the reinforcing rib 15 of convex.
Feature of the present invention is that also described plastic plate 4 is the plastic plate of an extrusion molding.As shown in figure 18, its described plastic plate 4 is the plastic plate of an extrusion molding.
Feature of the present invention is that also the public bar 17 of band that described plastic plate 4 is an extrusion molding is or/and the plastic sheet of female groove 18.As shown in figure 19, the plastic sheet of its described plastic plate 4 public bar 17 of band that is an extrusion molding and female groove 18.
Feature of the present invention also is to contain reinforce 24 in the described plastic plate 4.As shown in figure 18, contain reinforce 24 in its described plastic plate 4.
Feature of the present invention is that also the wall of at least one female groove 18 of described connector 5 contains at least a in the reinforces 24 such as multiple bar, band or muscle of reinforcing.As shown in figure 19, the wall of female groove 18 of its described connector 5 contains the thin band reinforce 24 of reinforcing.
Feature of the present invention is that also the outer wall of the plastic plate 4 of described thin-walled box is a bellows wall.As shown in figure 20, the outer wall of the plastic plate 4 of its described thin-walled box is a bellows wall.
Feature of the present invention is that also the level of described thin-walled box or longitudinal cross-section are shaped as rectangle or polygon.As shown in figure 19, the longitudinal cross-section of its described thin-walled box is shaped as rectangle.
Feature of the present invention is that also described thin-walled box is square hexahedron, and side plate 2 is put together by four plastic plates 4 on every side.As shown in figure 19, its described thin-walled box is square hexahedron, and side plate 2 is put together by four plastic plates 4 on every side.
During the invention process, can adopt plastics in injection machine, to go out the plastic plate 4 of required size, shape by Mold Making, plastic plate 4 is provided with inner support wall member 6 that supports thin-walled box inwall and the envelope wall member 7 that seals the box end wall, then plastic plate 4 is pieced together the thin-walled box, the amalgamation position connects into integral body by connector 5, promptly forms the hollow plastic thin wall caddy of described sealing.