CN212131362U

CN212131362U - Drainage valve for accumulated water in plastic film of greenhouse

Info

Publication number: CN212131362U
Application number: CN202020707122.5U
Authority: CN
Inventors: 冀鹏宙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-11
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a big-arch shelter plastic film ponding discharge valve, its characterized in that: comprises a mounting disc, a funnel and a plug; the mounting disc is provided with a glue layer for bonding with a plastic film, the mounting disc is annular, and the upper edge of the funnel is in seamless connection with the annular hole of the mounting disc; the plug is used for plugging the bottom outlet of the funnel. The utility model discloses a big-arch shelter plastic film ponding discharge valve, it is simple to have the installation, the simple operation can effectively discharge ponding.

Description

Drainage valve for accumulated water in plastic film of greenhouse

Technical Field

The utility model relates to a material technical field for the big-arch shelter, concretely relates to big-arch shelter plastic film ponding discharge valve.

Background

The plastic greenhouse is a simple and practical protected cultivation facility, and is generally adopted by all countries in the world along with the development of plastic industry due to easy construction, convenient use and less investment. The method utilizes bamboo, steel and other materials, covers plastic films and builds an arched shed for cultivating vegetables, can supply vegetables in advance or in a delayed manner, improves the yield per unit area, is favorable for defending natural disasters, and particularly can supply fresh and tender vegetables in early spring and late autumn in northern areas.

The plastic greenhouse makes full use of solar energy, has a certain heat preservation effect, and can adjust the temperature and the humidity in the greenhouse within a certain range through rolling the film. Therefore, the plastic greenhouse mainly plays a role in heat preservation cultivation in advance of spring and after autumn in northern areas of China, generally the spring can be advanced by 30-35 days, the autumn can be delayed by 20-25 days, but overwintering cultivation cannot be carried out; in south China, the plastic greenhouse can be used for heat preservation and overwintering cultivation of vegetables and flowers in winter and spring, and can also be used for shading and cooling in summer and autumn and protected cultivation of rain prevention, wind prevention, hail prevention and the like by replacing a shading net.

The method has the advantages that the territory of China is wide, the climate is complex, the greenhouse is used for facility cultivation of vegetables, flowers and the like, a special important role is played in relieving the contradiction between supply and demand of the vegetables in off seasons, and the remarkable social benefit and practical huge economic benefit are achieved.

In the prior art, accumulated water is often formed on a plastic film of a large basin after raining or snow melts, and once the accumulated water is formed, the accumulated water needs to be removed. Therefore, the inventor designs a greenhouse plastic film accumulated water discharge structure through years of experience summary.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a big-arch shelter plastic film ponding discharge valve, its installation is simple, and the simple operation can effectively discharge ponding.

A greenhouse plastic film accumulated water discharge valve comprises an installation plate, a funnel and a plug; the mounting disc is provided with a glue layer for bonding with a plastic film, the mounting disc is annular, and the upper edge of the funnel is in seamless connection with the annular hole of the mounting disc; the plug is used for plugging the bottom outlet of the funnel.

According to the accumulated water discharge valve for the plastic film of the greenhouse, the adhesive layer is covered with the paper film for protecting the adhesive layer.

The funnel comprises a conical part and a tubular part, the top end of the conical part is provided with a larger opening, and the bottom end of the conical part is provided with a smaller opening; the top of taper portion with the ring hole seamless connection of mounting disc, the upper end of tubulose portion with the bottom seamless connection of taper portion.

The accumulated water discharge valve for the plastic film of the greenhouse is plugged at the opening at the bottom end of the tubular part.

According to the accumulated water discharge valve for the plastic film of the greenhouse, the conical part is internally connected with the steel needle through the supporting piece, and the steel needle is vertically and upwards arranged to puncture the plastic film.

The beneficial effects of the utility model are embodied in: the accumulated water discharge valve for the plastic film of the greenhouse has the advantages of simple installation and operation, capability of effectively discharging accumulated water on the plastic film, reduction of labor intensity of operators, simplicity and practicability; after accumulated water is discharged, the bottom of the greenhouse is blocked by the plug, so that air leakage in the greenhouse is avoided, and the heat preservation effect is not influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of a plastic film accumulated water discharge valve for a greenhouse according to an embodiment of the present invention;

fig. 2 is a longitudinal sectional view of the accumulated water discharge valve of the plastic film for greenhouses shown in fig. 1.

The reference numerals are explained below:

1. mounting a disc; 2. a funnel; 3. blocking; 4. a glue layer; 5. a tapered portion; 6. a tubular portion; 7. and a connecting belt.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.

As shown in fig. 1, the accumulated water discharge valve for the plastic film of the greenhouse comprises a mounting plate 1, a funnel 2 and a plug 3; the mounting disc 1 is provided with a glue layer 4 for bonding with a plastic film, the mounting disc 1 is annular, and the upper edge of the funnel 2 is in seamless connection with an annular hole of the mounting disc 1; the plug 3 is used for plugging the bottom outlet of the funnel 2.

The accumulated water discharge valve for the plastic film of the greenhouse in any embodiment can adopt the following technical scheme, and a layer of paper film for protecting the adhesive layer 4 is covered on the adhesive layer 4.

The accumulated water discharge valve for the plastic film of the greenhouse, which is described in any embodiment, can adopt the following technical scheme that the funnel 2 comprises a conical part 5 and a tubular part 6, wherein the top end of the conical part 5 is provided with a larger opening, and the bottom end of the conical part is provided with a smaller opening; the top end of the conical part 5 is connected with the circular ring hole of the mounting disc 1 in a seamless mode, and the upper end of the tubular part 6 is connected with the bottom end of the conical part 5 in a seamless mode.

The accumulated water discharge valve for the plastic film of the greenhouse disclosed by any one of the embodiments can adopt the following technical scheme, and the plug 3 is plugged at the opening at the bottom end of the tubular part 6.

The accumulated water discharge valve for the plastic film of the greenhouse in any embodiment can adopt the following technical scheme that a steel needle is connected into the conical part 5 through a supporting piece, and the steel needle is vertically upwards arranged and used for puncturing the plastic film.

The accumulated water discharge valve for the plastic film of the greenhouse, which is disclosed by any embodiment of the invention, can adopt the following technical scheme, the blockage 3 and the connecting belt 7 are further arranged between the tubular parts 6, and the blockage 3 can be prevented from being lost through the arrangement of the connecting belt 7.

When the accumulated water discharge valve for the plastic film of the greenhouse is used for discharging accumulated water, the plastic film can be bonded by the adhesive layer, and the top end of the conical part of the funnel is required to be over against the accumulated water part, so that a good water discharge effect is realized; when using a discharge valve with a steel needle, the tubular part is to be blocked by the plug to prevent the accumulated water from leaking to the operator.

The accumulated water discharge valve for the plastic film of the greenhouse has the advantages of simple installation and operation, capability of effectively discharging accumulated water on the plastic film, reduction of labor intensity of operators, simplicity and practicability; after accumulated water is discharged, the bottom of the greenhouse is blocked by the plug, so that air leakage in the greenhouse is avoided, and the heat preservation effect is not influenced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a big-arch shelter plastic film ponding discharge valve which characterized in that: comprises a mounting disc, a funnel and a plug; the mounting disc is provided with a glue layer for bonding with a plastic film, the mounting disc is annular, and the upper edge of the funnel is in seamless connection with the annular hole of the mounting disc; the plug is used for plugging the bottom outlet of the funnel.

2. The greenhouse plastic film waterlogging discharge valve of claim 1, characterized in that: and a paper film for protecting the adhesive layer is covered on the adhesive layer.

3. The greenhouse plastic film waterlogging discharge valve of claim 1, characterized in that: the funnel comprises a conical part and a tubular part, wherein the top end of the conical part is provided with a larger opening, and the bottom end of the conical part is provided with a smaller opening; the top of taper portion with the ring hole seamless connection of mounting disc, the upper end of tubulose portion with the bottom seamless connection of taper portion.

4. The greenhouse plastic film waterlogging discharge valve of claim 3, characterized in that: the plug is plugged at the bottom end opening of the tubular part.

5. The greenhouse plastic film ponding discharge valve of claim 4, characterized in that: the conical part is internally connected with a steel needle through a support piece, and the steel needle is vertically and upwards arranged to puncture the plastic film.