CN211793281U

CN211793281U - Green house ventilation unit

Info

Publication number: CN211793281U
Application number: CN201921835657.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Tao Weina
Current assignee: Beijing Renhe Tengda Aerospace Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-10-30
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an agricultural greenhouse ventilation unit, including negative-pressure air fan, unable adjustment base and pressure membrane frame, unable adjustment base's lower fixed surface is connected with the peg graft pole, the surface of peg graft pole is equipped with sliding connection's fender apron, the mounting hole has been seted up to unable adjustment base's upper surface, negative-pressure air fan fixed connection is on unable adjustment base's surface, negative-pressure air fan's fixed surface is connected with the pressure membrane frame, the pressure membrane frame includes fixed inner tower, pressure membrane outrigger and foam packing ring, fixed inner tower fixed connection is on negative-pressure air fan's surface, the surface of fixed inner tower cup joints and is connected with the pressure membrane outrigger, fixedly connected with foam packing ring between fixed inner tower and the pressure membrane outrigger. The utility model discloses a fixed base is connected with to fixed surface bottom at negative-pressure air fan, conveniently installs negative-pressure air fan in ordinary film big-arch shelter, and cooperation and film zonulae occludens's press mold frame avoid the heat in the big-arch shelter to run off fast when conveniently ventilating.

Description

Green house ventilation unit

Technical Field

The utility model relates to an farming technical field specifically is an agricultural greenhouse ventilation unit.

Background

The greenhouse originally is special equipment for vegetable production, and the application of the greenhouse is more extensive along with the development of production. The current greenhouse is used for pot flower and cut flower cultivation; the fruit tree is used for cultivating grapes, strawberries, watermelons, melons, peaches, oranges and the like. Agricultural greenhouse ventilation has two main functions: firstly, reduce the humidity of air in the canopy, secondly increase the concentration of carbon dioxide in the canopy, consequently green house can install a ventilation unit who is used for air inlet and air-out respectively in the both sides of big-arch shelter respectively to this plays the ventilation effect, guarantees the normal growth of planting the crop.

At present, there will be a large amount of small-size film big-arch shelters in farming, and this type of big-arch shelter is because simple structure, can't install the ventilation unit of comparatively complicated structure, when needs ventilate the big-arch shelter, opens the film more, causes the heat to run off in a large number easily, and great temperature difference can lead to the fact the influence to the growth of crops. For this reason, a new technical solution needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an agricultural greenhouse ventilation unit, through the fixed base of fixed surface bottom fixedly connected with at negative-pressure air fan, conveniently install negative-pressure air fan in ordinary film big-arch shelter, cooperation and film zonulae occludens's press mold frame, avoid the heat in the big-arch shelter to run off fast when conveniently ventilating.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an agricultural greenhouse ventilation unit, includes negative pressure fan, unable adjustment base and pressure membrane frame, unable adjustment base's lower fixed surface is connected with the peg graft pole, the surface of peg graft pole is equipped with sliding connection's fender apron, the mounting hole has been seted up to unable adjustment base's upper surface, negative pressure fan fixed connection is on unable adjustment base's surface, negative pressure fan's fixed surface is connected with the pressure membrane frame, the pressure membrane frame includes fixed inner tower, pressure membrane outrigger and foam packing ring, fixed inner tower fixed connection is on negative pressure fan's surface, the surface of fixed inner tower cup joints and is connected with the pressure membrane outrigger, fixedly connected with foam packing ring between fixed inner tower and the pressure membrane outrigger.

As an improvement of the technical scheme, the insertion rod comprises three triangular vertical welding holes which are vertically and uniformly distributed on the lower surface of the base.

As an improvement of the technical scheme, a ferrule is fixedly connected at the joint of the soil retaining plate and the insertion rod, a movably connected bolt is arranged on the surface of the ferrule, and the bolt is in insertion connection with the limiting hole.

As an improvement of the technical scheme, the fixed inner frame is annular, the outer side wall of the fixed inner frame is provided with a first annular groove, and the foam gasket is sleeved on the surface of the first annular groove.

As an improvement of the technical scheme, the inner wall of the film pressing outer frame is provided with a second annular groove, the surface of the second annular groove is connected with a foam gasket in a sleeved mode, and the second annular groove and the first annular groove are distributed in a staggered mode.

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

1. the utility model discloses a fixed base is connected with to fixed surface bottom at negative-pressure air fan, conveniently installs negative-pressure air fan in ordinary film big-arch shelter, but cooperation height-adjusting's fender apron improves the convenience and the stability of negative-pressure air fan at the subaerial installation of earth.

2. The utility model discloses a surface mounting at negative-pressure air fan has the press mold frame, utilizes the foam packing ring that the dislocation distributes to compress tightly the film, when convenient ventilating in to the big-arch shelter, avoids the quick loss of heat in the big-arch shelter and causes the influence to the growth of crops, improves the seal of big-arch shelter.

Drawings

Fig. 1 is a schematic view of the whole structure of the greenhouse ventilation device of the present invention;

fig. 2 is a schematic view of the front view structure of the greenhouse ventilation device of the present invention;

FIG. 3 is a schematic cross-sectional view of the negative pressure fan and the film pressing frame of the present invention;

fig. 4 is the overall structure schematic diagram of the fixing base of the present invention.

In the figure: the device comprises a negative pressure fan-1, a fixed base-2, a film pressing frame-3, a plug rod-4, a soil retaining plate-5, a mounting hole-6, a fixed inner frame-7, a film pressing outer frame-8, a foam gasket-9, a limiting hole-10, a ferrule-11, a bolt-12, a first annular groove-13 and a second annular groove-14.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an agricultural greenhouse ventilation unit, includes negative pressure fan 1, unable adjustment base 2 and press mold frame 3, unable adjustment base 2's lower fixed surface is connected with peg graft pole 4, peg graft pole 4's surface is equipped with sliding connection's fender apron 5, mounting hole 6 has been seted up to unable adjustment base 2's upper surface, 1 fixed connection of negative pressure fan is on unable adjustment base 2's surface, negative pressure fan 1's fixed surface is connected with press mold frame 3, press mold frame 3 is including fixed inner tower 7, press mold outrigger 8 and foam packing ring 9, 7 fixed connection of fixed inner tower is on negative pressure fan 1's surface, the surface of fixed inner tower 7 cup joints and is connected with press mold outrigger 8, fixedly connected with foam packing ring 9 between fixed inner tower 7 and the press mold outrigger 8.

Further improved, as shown in fig. 4, the inserting rod 4 comprises three and is a triangle vertical welding at the lower surface of the base, the surface of the inserting rod 4 is provided with the limiting holes 10 which are uniformly distributed in the longitudinal direction, the inserting rod 4 which is distributed in the triangle is connected to the lower surface of the fixing base 2 in a welding manner, the stability of the fixing base 2 connected with the ground is improved, and the limiting holes 10 are provided on the surface of the inserting rod 4, so that the height adjusting function is conveniently realized.

In a further improvement, as shown in fig. 4, a ferrule 11 is fixedly connected to a joint of the soil retaining plate 5 and the insertion rod 4, a movably connected bolt 12 is arranged on a surface of the ferrule 11, the bolt 12 is in insertion connection with the limiting hole 10, and the bolt 12 is arranged on the surface of the ferrule 11, so that the position of the soil retaining plate 5 can be conveniently fixed by matching with the limiting hole 10 on the surface of the insertion rod 4.

In a further improvement mode, as shown in fig. 3, the fixed inner frame 7 is circular and the outer side wall is provided with a first annular groove 13, the foam gasket 9 is sleeved on the surface of the first annular groove 13, and the fixed inner frame 7 is circular and the outer side wall is provided with the first annular groove 13, so that the foam gasket 9 is conveniently fixed.

Specifically, as shown in fig. 3, an annular groove two 14 is formed in the inner wall of the film pressing outer frame 8, a foam gasket 9 is connected to the surface of the annular groove two 14 in a sleeved mode, the annular groove two 14 and the annular groove one 13 are distributed in a staggered mode, and the annular groove two 14 distributed in a staggered mode with the annular groove one 13 is formed in the inner wall of the film pressing outer frame 8, so that the staggered foam gasket 9 can be conveniently used for clamping and fixing the film of the greenhouse.

The utility model comprises a negative pressure fan-1, a fixed base-2, a film pressing frame-3, an inserting rod-4, a soil retaining plate-5, a mounting hole-6, a fixed inner frame-7, a film pressing outer frame-8, a foam gasket-9, a limiting hole-10, a ferrule-11, a bolt-12, a ring groove I-13, a ring groove II-14, the part is the general standard component or the part that technical staff in the field knows, its structure and principle all are this technical staff all can learn or learn through conventional experimental method through the technical manual, the utility model discloses a fixed base 2 at negative-pressure air fan 1's surperficial bottom fixedly connected with, conveniently install negative-pressure air fan 1 in ordinary film big-arch shelter, but cooperation height-adjusting's fender apron 5 improves the convenience and the stability of negative-pressure air fan 1 at the subaerial installation of earth.

When the utility model is used, the fixed base 2 is firstly arranged on the surface of the ground, the position of the soil retaining plate 5 is adjusted, the fixed base 2 is kept at enough height, then the fixed base 2 is arranged at the edge of the end part of the greenhouse, the inserting rod 4 at the bottom of the fixed base 2 is inserted into the ground, the fixed inner frame 7 is arranged at the air inlet of the negative pressure fan 1, then the negative pressure fan 1 is arranged on the surface of the fixed base 2 and is fixed, the film at the end part of the greenhouse is covered on the surface of the fixed inner frame 7, the fixed outer frame is used for buckling the fixed inner frame 7 from the other side of the film, the foam gasket 9 in the film pressing frame 3 is used for pressing the film, the film at the inner wall of the fixed inner frame 7 is removed by a cutter, the installation operation is completed, when the negative pressure fan 1 needs to ventilate the greenhouse, the external air is blown into the greenhouse by the fan 1, the negative, the heat in the greenhouse is prevented from overflowing outwards.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an agricultural greenhouse ventilation unit, includes negative-pressure air fan (1), unable adjustment base (2) and press mold frame (3), its characterized in that: the lower fixed surface of unable adjustment base (2) is connected with peg graft pole (4), the surface of peg graft pole (4) is equipped with sliding connection's fender native board (5), mounting hole (6) have been seted up to the upper surface of unable adjustment base (2), negative pressure fan (1) fixed connection is on the surface of unable adjustment base (2), the fixed surface of negative pressure fan (1) is connected with pressure membrane frame (3), pressure membrane frame (3) are including fixed inner tower (7), pressure membrane outrigger (8) and foam packing ring (9), fixed inner tower (7) fixed connection is on the surface of negative pressure fan (1), the surface of fixed inner tower (7) cup joints and is connected with pressure membrane outrigger (8), fixedly connected with foam packing ring (9) between fixed inner tower (7) and pressure membrane outrigger (8).

2. The agricultural greenhouse ventilation device of claim 1, wherein: the inserting rod (4) comprises three triangular vertical welding rods and is welded on the lower surface of the base, and the surface of the inserting rod (4) is provided with limiting holes (10) which are uniformly distributed in the longitudinal direction.

3. The agricultural greenhouse ventilation device of claim 1, wherein: the connection part of the soil retaining plate (5) and the insertion rod (4) is fixedly connected with a ferrule (11), a movably connected bolt (12) is arranged on the surface of the ferrule (11), and the bolt (12) is in insertion connection with the limiting hole (10).

4. The agricultural greenhouse ventilation device of claim 1, wherein: the fixed inner frame (7) is annular, a first annular groove (13) is formed in the outer side wall of the fixed inner frame, and the foam gasket (9) is sleeved on the surface of the first annular groove (13).

5. The agricultural greenhouse ventilation device of claim 1, wherein: annular groove two (14) have been seted up to the inner wall of press mold outrigger (8), the surface cup joint of annular groove two (14) is connected with foam packing ring (9), annular groove two (14) and annular groove one (13) dislocation distribution.