CN211745767U

CN211745767U - Novel agricultural greenhouse ventilation device

Info

Publication number: CN211745767U
Application number: CN202020340663.9U
Authority: CN
Inventors: 孙福庆; 张红艳; 孙雪松; 郭凤华; 曹彦明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-27
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a novel agricultural greenhouse ventilation unit, including a plurality of loose pulley assemblies, a couple and a stay cord, loose pulley assembly includes the pulley, first n shape frame, second n shape frame and connection clamping piece, the pulley is installed on two vertical walls of first n shape frame, be provided with the connecting through hole on the horizontal wall of first n shape frame, be provided with the screw thread through hole on a vertical wall of second n shape frame, the connection clamping piece includes the flat board, be provided with first screw rod perpendicularly on the up end of flat board, be provided with the second screw rod perpendicularly on the lower terminal surface of flat board, first screw rod twists in the screw thread through hole that sets up on the vertical wall of second n shape frame, the second screw rod inserts in the connecting through hole that sets up on the horizontal wall of first n shape frame, and install fixation nut on the body of rod that is located first n shape frame horizontal wall below; one end of the pull rope is fixedly connected with the hook, and the other end of the pull rope sequentially passes through the pulley grooves of the pulleys of the pulley assemblies; the utility model discloses can be convenient carry out warmhouse booth's ventilation.

Description

Novel agricultural greenhouse ventilation device

Technical Field

The utility model relates to a technical field is planted to the big-arch shelter, specifically is a novel green house ventilates device.

Background

The ventilation of the greenhouse for agricultural planting has great significance for the production and operation of crops in the greenhouse. The greenhouse has the advantages that the space in the greenhouse is narrow, the greenhouse is sheltered from wind, the use of pesticides and the effect of fertilizers are added, the content of carbon dioxide in the small environment of the greenhouse is reduced continuously, harmful gases are accumulated more and more, crop diseases in the greenhouse are caused, and adverse effects are brought to the growth and development of crops in the greenhouse.

As shown in figure 1, the plastic films on one sides of the greenhouses are integrated, the plastic film on the other side is divided into an upper film capable of being opened and a lower film fixedly arranged, a round pipe is arranged at the lower end of the upper end along the length direction of the greenhouses, the lower end of the upper film is driven to press and cover the outer side of the upper end of the lower film, when ventilation is needed, the round pipe and the lower end of the upper film are upwards pulled up along arc-shaped supports of the greenhouses, then the round pipe and the lower end of the upper film are fixed on the arc-shaped supports of the.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel green house ventilates device aims at improving the current inconvenient problem of green house ventilation operation.

The utility model discloses a realize like this: a novel agricultural greenhouse ventilation device comprises a plurality of pulley assemblies, a hook and a pull rope, wherein each pulley assembly comprises a pulley, a first n-shaped frame, a second n-shaped frame and a connecting and clamping piece, the pulleys are installed on two vertical walls of the first n-shaped frame, a connecting through hole is formed in the transverse wall of the first n-shaped frame, a threaded through hole is formed in one vertical wall of the second n-shaped frame, the connecting and clamping piece comprises a flat plate, a first screw rod is vertically arranged on the upper end surface of the flat plate, a second screw rod is vertically arranged on the lower end surface of the flat plate, the first screw rod is screwed into the threaded through hole formed in the vertical wall of the second n-shaped frame, the second screw rod is inserted into the connecting through hole formed in the transverse wall of the first n-shaped frame, and a fixing nut is installed on a rod body located below the transverse wall of the first n-shaped frame; one end of the pull rope is fixedly connected with the hook, and the other end of the pull rope sequentially passes through the pulley grooves of the pulleys of the pulley assemblies.

Furthermore, both ends of the transverse wall of the second n-shaped frame are provided with fillet structures, and one end of each vertical wall, which is far away from the transverse wall, is sleeved with a rubber sleeve.

Furthermore, the flat plate is of a disc-shaped structure, the first n-shaped frame and the second n-shaped frame are all in the projection coverage range of the flat plate along the direction of the central axis of the first screw rod, and anti-skid grains are arranged on the side wall of the flat plate.

Further, the pull rope fixing piece comprises a third n-shaped frame, a threaded through hole is formed in one vertical wall of the third n-shaped frame, and a pull rope fixing bolt is installed on the secondary threaded through hole.

Furthermore, fillet structures are arranged at two ends of the transverse wall of the third n-shaped frame, and a rubber sleeve is sleeved at one end, far away from the transverse wall, of each of the two vertical walls.

Furthermore, the pull rope is a steel wire soft rope.

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

1. the utility model discloses can be convenient carry out warmhouse booth's ventilation.

2. The utility model discloses be provided with the stay cord mounting, install the stay cord mounting at the cradling piece of the warmhouse booth arc support that is close to the stay cord, use the stay cord can be on the stay cord mounting after pulling open the last membrane of warmhouse booth plastic film, it is more convenient.

3. Both ends of the transverse walls of the second n-shaped frame and the third n-shaped frame 11 are provided with fillet structures, and one ends of the two vertical walls of the second n-shaped frame and the third n-shaped frame, which are far away from the transverse walls, are sleeved with rubber sleeves; the plastic film of the greenhouse is not easily scratched when the pulley assemblies and the stay cord fixing pieces are installed due to the arrangement of the fillet structure and the rubber sleeve.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an arc-shaped support and upper and lower films of a greenhouse as described in the background art;

FIG. 2 is a schematic structural view of the novel agricultural greenhouse ventilation device of the present invention installed on the arc-shaped support of the greenhouse;

fig. 3 is a schematic structural view of a pulley assembly of the novel agricultural greenhouse ventilation device of the invention;

FIG. 4 is a schematic structural view of a connecting clamping member of the novel agricultural greenhouse ventilation device;

fig. 5 is a schematic structural view of a stay cord fixing member of the novel agricultural greenhouse ventilation device of the present invention.

In the figure: 1. a sheave assembly; 2. hooking; 3. pulling a rope; 4. a pulley; 5. a first n-shaped frame; 6. a second n-shaped frame; 7. a flat plate; 8. a first screw; 9. a second screw; 10. fixing a nut; 11. a third n-shaped frame; 12. a stay cord fixing bolt; 13. a rubber sleeve.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 2, 3 and 4, in an embodiment of the present invention, a novel agricultural greenhouse ventilation device comprises a plurality of pulley assemblies 1, a hook 2 and a pull rope 3, wherein the pulley assemblies 1 comprise pulleys 4, the connecting and clamping device comprises a first n-shaped frame 5, a second n-shaped frame 6 and a connecting and clamping piece, wherein a pulley 4 is arranged on two vertical walls of the first n-shaped frame 5, a connecting through hole is formed in the transverse wall of the first n-shaped frame 5, a threaded through hole is formed in one vertical wall of the second n-shaped frame 6, the connecting and clamping piece comprises a flat plate 7, a first screw 8 is vertically arranged on the upper end surface of the flat plate 7, a second screw 9 is vertically arranged on the lower end surface of the flat plate 7, the first screw 8 is screwed into the threaded through hole formed in the vertical wall of the second n-shaped frame 6, the second screw 9 is inserted into the connecting through hole formed in the transverse wall of the first n-shaped frame 5, and a fixing nut 10 is arranged on a rod body positioned below the transverse wall of the first n-shaped; one end of the pull rope 3 is fixedly connected with the hook 2, and the other end of the pull rope passes through the pulley grooves of the pulleys 4 of the pulley assemblies 1 in sequence.

The utility model discloses a use method and theory of operation: fixedly connecting each pulley assembly 1 to a support rod at a proper position of an arc-shaped support of the greenhouse, wherein the position of each pulley assembly 1 can be as shown in figure 2, the fixing method comprises the steps of clamping a second n-shaped frame 6 outside the support rod, then rotating a flat plate 7, screwing a first screw 8, then rotating a first n-shaped frame 5 to adjust the direction of a pulley 4, and screwing a fixing nut 10 after the adjustment is finished; the hook 2 is hooked on a round tube at the lower end of the upper film, one end of the pull rope 3 is connected with the hook 2, and the other end of the pull rope can be hung with a heavy object with proper weight after passing through each pulley 4, so that the pull rope 3 is in a tensioned state, and the hook 2 cannot be separated from the round tube at the lower end of the upper film; when ventilation is needed, the pull rope 3 is pulled, the circular pipe at the lower end of the upper film is pulled through the hook 2 to pull up the upper film of the greenhouse by a certain height, a ventilation window structure is formed between the upper film and the lower film for ventilation, the other end of the pull rope 3 is tied to an arc-shaped support of the greenhouse or other fixed objects to keep the window structure, and after the ventilation is finished, the pull rope 3 is unfastened, and the upper film falls down under the gravity action of the circular pipe.

Therefore, the utility model discloses can be convenient carry out warmhouse booth's ventilation.

Referring to fig. 2 and 5, in an embodiment of the present invention, the present invention further includes a pull rope fixing member, the pull rope fixing member includes a third n-shaped frame 11, a vertical wall of the third n-shaped frame 11 is provided with a threaded through hole, and a pull rope fixing bolt 12 is installed on the secondary threaded through hole; third n shape frame 11 is installed and is used on greenhouse shed arc support's cradling piece, is close to the installation of stay cord 3, blocks third n shape frame 11 outside the cradling piece during the installation, then screw up stay cord fixing bolt 12 can, stay cord 3 can be on stay cord fixing bolt 12 after will going up the membrane and pull open, and is more convenient.

Referring to fig. 3 and 5, in the embodiment of the present invention, two ends of the transverse wall of the second n-shaped frame 6 are provided with a fillet structure, and one end of each of the two vertical walls, which is far away from the transverse wall, is sleeved with a rubber sleeve 13; both ends of the transverse wall of the third n-shaped frame 11 are also provided with a fillet structure, and one ends of the two vertical walls, which are far away from the transverse wall, are also sleeved with rubber sleeves 13; the round angle structure and the rubber sleeve 13 are arranged, so that the plastic film of the greenhouse is not easily scratched when the pulley assembly 1 and the pull rope fixing piece are installed.

Referring to fig. 3, in the embodiment of the present invention, the plate 7 is a disc-shaped structure, the first n-shaped frame 5 and the second n-shaped frame 6 are all within the projection coverage of the plate 7 along the central axis direction of the first screw 8, and the side wall of the plate 7 is provided with anti-slip patterns, so that it is more convenient to screw the first screw 8 by rotating the plate 7.

In the embodiment of the utility model, stay cord 3 chooses for use the steel wire rope, and tensile strength is strong and wear resistance is good, has job stabilization and long service life's advantage.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The novel agricultural greenhouse ventilation device is characterized by comprising a plurality of pulley assemblies (1), a hook (2) and a pull rope (3), wherein each pulley assembly (1) comprises a pulley (4), a first n-shaped frame (5), a second n-shaped frame (6) and a connecting clamping piece, the pulleys (4) are arranged on two vertical walls of the first n-shaped frame (5), a connecting through hole is formed in the transverse wall of the first n-shaped frame (5), a threaded through hole is formed in one vertical wall of the second n-shaped frame (6), the connecting clamping piece comprises a flat plate (7), a first screw rod (8) is vertically arranged on the upper end surface of the flat plate (7), a second screw rod (9) is vertically arranged on the lower end surface of the flat plate (7), the first screw rod (8) is screwed into the threaded through hole formed in the vertical wall of the second n-shaped frame (6), the second screw (9) is inserted into a connecting through hole arranged on the transverse wall of the first n-shaped frame (5), and a fixing nut (10) is arranged on the rod body positioned below the transverse wall of the first n-shaped frame (5); one end of the pull rope (3) is fixedly connected with the hook (2), and the other end of the pull rope passes through the pulley grooves of the pulleys (4) of the pulley assemblies (1) in sequence.

2. The novel agricultural greenhouse ventilation device as claimed in claim 1, wherein the two ends of the transverse wall of the second n-shaped frame (6) are provided with round corner structures, and one ends of the two vertical walls far away from the transverse wall are sleeved with rubber sleeves (13).

3. The novel agricultural greenhouse ventilation device as claimed in claim 2, wherein the flat plate (7) is of a disc-shaped structure, the first n-shaped frame (5) and the second n-shaped frame (6) are all within the projection coverage of the flat plate (7) along the central axis direction of the first screw (8), and the side wall of the flat plate (7) is provided with anti-skid lines.

4. A novel agricultural greenhouse ventilation device as claimed in any one of claims 1 to 3, further comprising a pull rope fixing member, wherein the pull rope fixing member comprises a third n-shaped frame (11), a threaded through hole is formed in one vertical wall of the third n-shaped frame (11), and a pull rope fixing bolt (12) is installed on the secondary threaded through hole.

5. The novel agricultural greenhouse ventilation device as claimed in claim 4, wherein the third n-shaped frame (11) is provided with round corner structures at two ends of the transverse wall, and rubber sleeves (13) are sleeved at one ends of the two vertical walls far away from the transverse wall.

6. A novel agricultural greenhouse ventilation device as claimed in claim 4, wherein the pull rope (3) is a steel wire rope.