CN2332168Y

CN2332168Y - Dual layer post-less plastic greenhouse

Info

Publication number: CN2332168Y
Application number: CN98206965U
Authority: CN
Inventors: 李小明
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-07-13
Filing date: 1998-07-13
Publication date: 1999-08-11
Anticipated expiration: 2008-07-13

Abstract

The utility model provides a double-layer plastic greenhouse without upright post, comprising a bracket and a plastic film. The bracket a bracket unit composed of a spanning bracket is penetrated and fixed between two sliver-shaped supporting strips which are bended into half circular arcs, the two supporting strips are caused to keep a segment of space, a plurality of bracket units are inserted into ground with intervals, and the upper supporting surfaces and the lower supporting surfaces of the supporting strips are respectively covered with one layer of plastic films forming a double-layer plastic greenhouse without upright post. The utility model can enhance heat insulating effect and has no need of central upright posts, the use of existing plastic greenhouse brick (soil) wall is relieved, the dismounting and mounting of the utility model is more convenient, man-hour is saved, and the utility model can be used by being whole plugged.

Description

Double-deck no column plastic tunnel

The utility model relates to agricultural and uses plastic tunnel, refers to the no column plastic tunnel of a kind of bilayer especially.

Existing farm plastic greenhouse, generally be with a brick wall erectting as column, stand between brick wall and ground with batten or curved of bonding jumper again, constitute the cambered surface support, support covers layer of plastic film outward again, promptly forms a plastic tunnel of surviving the winter and using for crops.Though this plastic tunnel can play insulation effect, but need take (soil) wall of laying bricks, and when not needing to use plastic tunnel summer, brick (soil) wall of then need dismantling again, cumbersome, need cost more man-hour, if without brick (soil) wall then must establish a plurality of upright supports in central authorities, and only depend on the single thin film heat insulation effect not really desirable, the covering straw screen or mat of still needing when temperature is low, thereby further improved necessity is arranged very much.

This creator is because the existing existing many defectives of plastic tunnel, be according to its be engaged in agriculture for many years booth and the relevant product production design experiences that produces thereof, the road of active research improvement, go through design in many ways and repeatedly test studying, successfully develop the double-deck no column plastic tunnel of the utility model finally.

So main purpose of the present utility model is intended to provide a kind of bilayer no column plastic tunnel, utilization all is coated with layer of plastic film in the both sides up and down of greenhouse bracket, and formation double-plastic booth, can improve heat insulation effect, and need not the column of central authorities, promptly remove the use of existing plastic tunnel brick (soil) wall from, the convenient saving of dismounting man-hour.

The purpose of this utility model is achieved in that

The no column plastic tunnel of a kind of bilayer, comprise support and plastic film, described support is for being bent into by two strips between the stay of semi arch, fasten one and form a carrier unit across support, make and leave one section space between two stays, a plurality of carrier units insert ground at interval, and the two support faces up and down of stay respectively are covered with the canopy film that one deck is made of plastic film, and constitute double-deck no column plastic tunnel.

Described is the bar plate body that the cross section is " worker " font across support, forms slot and following slot up and down respectively, keep supplying stay and down stay intert fixingly, the middle body of support can be provided with boring, wears lock for a galvanized wire; And the described stay of going up is the strip body that has bending property for, and its cross section is " worker " font, and last support face is narrower to be contacted with the canopy film, and the width of following support face is for can intert into the last slot across support just; This time stay also is one to have the strip body of bending property, its cross section is " worker " font, and the support face size of upper end is in the following slot that can intert just across support, and the lower end then is molded into rubber-like two jaws in addition, form one and hold the plug groove, can hold tent for clamping; The section of tent is an isosceles trapezoid, can fill in down in the formed tank of two jaws of stay lower end;

The following support face of last stay, down the last support face of stay interts respectively in the upper and lower slot across support, galvanized wire passes the central bore across support, on the last support face of last stay, be coated with one deck canopy film, tent then heads into down the canopy film in the formed appearance plug of the two jaws groove of stay by the inner face of lower floor's canopy film, the deduction of two jaws is lived the bottom of tent and the canopy film is fixed, galvanized wire vertically runs through the boring across support, and two is directly fixed on ground.

Height across support is 12～13 centimeters.

Be equipped with on each carrier unit at least five be equally spaced across support.

Each stay in curved arc peak place involutory composition, and fastens two across support in apposition position by two strip bodies.

Adopt the no column plastic tunnel of bilayer provided by the utility model, can improve heat insulation effect, and need not the column of central authorities, promptly remove the use of existing plastic tunnel brick (soil) wall from, convenient savings of dismounting man-hour, and the plug-in mounting use of can wholely changing places.

Further describe the utility model below in conjunction with drawings and Examples.

The simple declaration of accompanying drawing

Fig. 1 be in the utility model across structural representation, wherein, (a) and (b) show section and side diagrammatic sketch respectively.

Fig. 2 is last stay structural representation in the utility model, and wherein (a) and (b) show section and side diagrammatic sketch respectively.

Fig. 3 is following stay structural representation in the utility model, and wherein (a) and (b) show section and side diagrammatic sketch respectively.

Fig. 4 is the tent structural representation in the utility model, and wherein (a) and (b) show section and side diagrammatic sketch respectively.

Fig. 5 is the cut-away view after the combination of the present utility model.

Main drawing reference numeral explanation

1 ... greenhouse bracket 2,2 ' ... canopy film 11 ... across support

12 ... last stay 13 ... following stay 14 ... tent

15 ... galvanized wire 111 ... last slot 112 ... following slot

113 ... central bore 121 ... last support face 122 ... following support face

131 ... last support face 132 ... jaw

See also shown in each figure, the utility model mainly is made up of greenhouse bracket 1 and two layers of canopy film 2,2 '.

Each unit of this greenhouse bracket 1 then is by forming across support 11, last stay 12, interspersed builts such as following stay 13, tent 14 and galvanized wire 15.The shape of these several members is described respectively below:

Being somebody's turn to do across support 11 be as shown in Figure 1, was " worker " font, formed slot 111 up and down respectively and reached slot 112 down, kept supplying stay 12 and reached stay 13 interspersed fixing down, and the middle body of support is provided with boring 113, supplies a galvanized wire 15 to wear lock; Should be advisable with 12～13 centimeters across the height of support 11, it is not obvious to cross low heat insulation effect, too high stability decreases.

Should go up stay 12 be as shown in Figure 2, was the strip body that has certain bending for, and its cross section is " worker " font, and last support face 121 is narrower to be contacted with the canopy film, and the width of following support face 122 is for can intert into the last slot 111 across support 11 just.

This time stay 13 as shown in Figure 3, also be one to have the strip body of certain bending, its cross section is " worker " font, support face 131 sizes of upper end are in the following slot 112 that can intert just across support, the lower end then is molded in addition has certain flexible two jaws 132, can hold tent 14 for clamping.

Tent 14 as shown in Figure 4, its section is an isosceles trapezoid, can fill in down in two jaws, the 132 formed tanks of stay 13 lower ends.

This galvanized wire 15 is to wear the central bore that locks in across support 11.

All can adopt RPVC (PVC) across support 11, upper and

lower stay

12,13 etc. in the utility model, and tent adopts the modified soft pvc material, can certainly adopt other suitable material to make.

When above-mentioned member makes up, see also shown in Figure 5, last stay 12 utilizes its support face 122 down, following stay 13 utilizes then that support face 131 interts respectively across on the support 11 on it, in the following slot 111 and 112, galvanized wire 15 passes the central bore 113 across support 11, on the last support face 121 of last stay 12, cover one deck canopy film 2, tent 14 then heads into down canopy film 2 ' in two jaws, the 132 formed appearance plug grooves of stay 13 by the inner face of canopy film 2 ', the deduction of two jaws is lived the bottom of tent 14 and canopy film 2 ' is fixed, thereby form the bilayer film structure, and each equidistantly is inserted with at least five across support 11 to wearing on the stay, and by the fixing canopy film 2 ' of tent, and whole prop for plastic greenhouse is by many stay vertically to be rearranged, underground (being generally about 10 centimeters) inserted at two of stay, galvanized wire 15 vertically runs through each boring 113 across support 11, be to run through three groups to fix generally speaking, two groups near ground can not add galvanized wire, two of galvanized wire is directly fixed on ground again, promptly finishes whole greenhouse bracket and installs and fixes.

Plastic tunnel after finishing, be to be double-plastic, and the no column of central authorities, build very convenient quick, when decumbent corydalis tuber need use plastic tunnel, then also can integral body tear open and move, biggest advantage is to improve heat insulation effect, makes the existing booth of canopy temperature can improve 5～8 degree, day and night temperature dwindles about 5 degree, it is warming not need to cover winter such as straw screen or mat etc. again, and anti-pressure ability improves greatly, can sustain covering of heavy snow.Owing to remove the use of brick (soil) wall from, can make crops can obtain more solar radiation in addition, be more conducive to the growth of crop.

Claims

1, the no column plastic tunnel of a kind of bilayer, comprise support and plastic film, it is characterized in that: described support is for being bent into by two strips between the stay of semi arch, fasten one and form a carrier unit across support, make and leave one section space between two stays, a plurality of carrier units insert ground at interval, and the two support faces up and down of stay respectively are covered with the canopy film that one deck is made of plastic film, and constitute double-deck no column plastic tunnel.

2, the no column plastic tunnel of bilayer as claimed in claim 1, it is characterized in that: described is the bar plate body that the cross section is " worker " font across support, form slot up and down respectively and reach slot down, keep supplying stay and descend stay to intert fixing, the middle body of support can be provided with boring, wears lock for a galvanized wire; And the described stay of going up is the strip body that has bending property for, and its cross section is " worker " font, and last support face is narrower to be contacted with the canopy film, and the width of following support face is for can intert into the last slot across support just; This time stay also is one to have the strip body of bending property, its cross section is " worker " font, and the support face size of upper end is in the following slot that can intert just across support, and the lower end then is molded into rubber-like two jaws in addition, form one and hold the plug groove, can hold tent for clamping; The section of tent is an isosceles trapezoid, can fill in down in the formed tank of two jaws of stay lower end;

3, the no column plastic tunnel of bilayer as claimed in claim 2 is characterized in that: the height across support is 12～13 centimeters.

4, the no column plastic tunnel of bilayer as claimed in claim 2 is characterized in that: be equipped with on each carrier unit at least five be equally spaced across support.

5, the no column plastic tunnel of bilayer as claimed in claim 2 is characterized in that: each stay in curved arc peak place involutory composition, and fastens two across support in apposition position by two strip bodies.