CN211423689U

CN211423689U - Quick exhaust valve for agricultural irrigation pipeline

Info

Publication number: CN211423689U
Application number: CN201922286196.6U
Authority: CN
Inventors: 侯同娣; 陈杰
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an agricultural irrigation pipeline quick exhaust valve, which relates to the technical field of agricultural irrigation and aims at the problem that the prior exhaust valve has poor sealing performance and is easy to block to cause exhaust failure, the following proposal is proposed, which comprises a pipeline and an exhaust valve body, wherein the upper end of the pipeline is provided with a connecting pipe, the upper end of the connecting pipe is provided with a buffer valve, the upper end of the buffer valve is fixedly connected with a gate valve, the side wall of the gate valve is provided with a gate valve knob, the upper end of the gate valve is fixedly connected with an exhaust valve body, the exhaust valve body comprises an upper valve body and a lower valve body, the bottom end of the lower valve body is provided with a water inlet hole, the lower valve body is connected with an upper valve body through a pin shaft, the top end of the upper valve body is welded with a lower valve body cover, the upper valve body cover and the lower, and the problem that the exhaust valve cannot exhaust due to poor sealing performance and easy blocking is solved.

Description

Quick exhaust valve for agricultural irrigation pipeline

Technical Field

The utility model relates to an agricultural irrigation technical field especially relates to an agricultural irrigation pipeline quick exhaust valve.

Background

The pipelines of the current agricultural irrigation system are closed pipelines, and in some places in the pipeline stroke, a small amount of or a large amount of air is accumulated at some pipeline nodes in the drainage process due to the difference of the pipeline shape and the water level height, so that vacuum can be formed seriously, and the condition of unsmooth drainage of the pipelines is caused. In the prior art, the exhaust valve is adopted to solve the problems, but the exhaust valve in the prior art has poor sealing performance, and liquid in a pipeline can leak from the exhaust valve after the exhaust is finished; in addition, when the air pressure in the pipeline is too high, the valve core is often caused to rise too fast, and the air outlet hole is blocked before the air in the pipeline is exhausted, so that the air cannot be exhausted continuously, and therefore, the agricultural irrigation pipeline quick exhaust valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of agricultural irrigation pipeline quick exhaust valve has solved that discharge valve sealing performance is not good and easily plug up and lead to unable carminative problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick exhaust valve for agricultural irrigation pipelines comprises a pipeline and an exhaust valve body, wherein a connecting pipe is installed at the upper end of the pipeline, a buffer valve is installed at the upper end of the connecting pipe, a gate valve is fixedly connected to the upper end of the buffer valve, a gate valve knob is installed on the side wall of the gate valve, an exhaust valve body is fixedly connected to the upper end of the gate valve, the exhaust valve body comprises an upper valve body and a lower valve body, a water inlet hole is formed in the bottom end of the lower valve body, the lower valve body is connected with an upper valve body through a pin shaft, a lower valve body cover is welded to the top end of the upper valve body, an upper valve body cover is installed at the upper end of the lower valve body cover, a limiting block is installed on the upper valve body cover and the lower valve body cover in a penetrating mode, a valve rod is, the valve clack is installed at the upper end of the fixed block, a connecting shaft is arranged at the bottom end of the fixed block, a lever is fixedly connected with the connecting shaft, and a suspension ball body is welded at the bottom end of the lever.

Preferably, the water inlet hole is provided with a filter screen.

Preferably, the pin connection comprises a nut and a second bolt.

Preferably, the dust cap is installed to the exhaust hole upper end, just through first bolt fixed connection between valve body upper cover and the valve body lower cover.

Preferably, the size between the two baffles is smaller than that of the valve clack, and the size of the valve clack is larger than the diameter of the vent hole.

The utility model has the advantages that:

1: this agricultural irrigation pipeline quick exhaust valve through being provided with the gate valve, avoids water pressure too big to cause the damage to the suspension spheroid to be provided with the valve body lower extreme and install the filter screen, have the protection valve body in order to avoid in the pipeline debris to get into and cause the damage.

2: this agricultural irrigation pipeline quick exhaust valve, when water and gaseous entering discharge valve are internal, the suspension spheroid rises, and when atmospheric pressure was exceeded to a certain extent later, the suspension spheroid descends to the interior exhaust hole of valve body installs the baffle, prevents that the valve clack that the suspension spheroid connects from breaking away from the pipeline of giving vent to anger because of the water level is too high when reciprocating, and the stopper is installed to exhaust hole both sides, has improved the spheroidal stability of suspension.

3: the upper end of the valve body is provided with a dustproof cap at the position of the air outlet, so that dust is prevented from entering the valve body.

In summary, the following steps: this agricultural irrigation pipeline quick exhaust valve has solved that discharge valve sealing performance is not good and easily plug up and lead to unable carminative problem to overall structure is simple, and the production technology requires lowly, and low in manufacturing cost is fit for promoting.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a structural sectional view of the present invention.

Fig. 4 is a schematic structural diagram of the baffle plate and the valve flap of the present invention.

Reference numbers in the figures: the device comprises a gate valve 1, an exhaust valve 2, a first bolt 3, a dust cap 4, a valve body upper cover 5, a valve body lower cover 6, a screw cap 7, a second bolt 8, a gate valve knob 9, a third bolt 10, a buffer valve 11, a connecting pipe 12, a pipeline 13, a valve body 14, an upper valve body 15, a suspended ball 16, a filter screen 17, a lever 18, a connecting shaft 19, a baffle 20, a valve clack 21, a valve rod 22, an exhaust hole 23, a limiting block 24 and a fixing block 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an agricultural irrigation pipeline quick exhaust valve comprises a pipeline 13 and an exhaust valve body 2, a connecting pipe 12 is installed at the upper end of the pipeline 13, a buffer valve 11 is installed at the upper end of the connecting pipe 12, a gate valve 1 is fixedly connected to the upper end of the buffer valve 11, a gate valve knob 9 is installed on the side wall of the gate valve 1, the exhaust valve body 2 is fixedly connected to the upper end of the gate valve 1, the exhaust valve body 2 comprises an upper valve body 15 and a lower valve body 14, a water inlet hole is formed in the bottom end of the lower valve body 14, the lower valve body 14 is connected with the upper valve body 15 through a pin shaft, a valve body lower cover 6 is welded to the top end of the upper valve body 15, a valve body upper cover 5 is installed at the upper end of the valve body lower cover 6, a limiting block 24 is installed on the valve body upper cover 5 and the valve body lower, just stopper 24 bottom position welding has baffle 20, baffle 20 upper end swing joint has fixed block 25, just valve clack 21 is installed to fixed block 25 upper end, fixed block 25 bottom is equipped with connecting axle 19, just connecting axle 19 fixedly connected with lever 18, the bottom welding of lever 18 has suspension spheroid 16.

Specifically, the water inlet hole is provided with a filter screen 17.

Specifically, the pin connection comprises a nut 7 and a second bolt 8.

Specifically, dust cap 4 is installed to exhaust hole 23 upper end, just through first bolt 3 fixed connection between valve body upper cover 5 and the valve body lower cover 6.

Specifically, the size between the two baffles 20 is smaller than the size of the valve flap 21, and the size of the valve flap 21 is larger than the diameter of the vent hole 23.

The working principle is as follows: when the agricultural irrigation pipeline quick exhaust valve is used, the pipeline 13 is communicated with the exhaust valve body 2 through the connecting pipe 12, the buffer valve 11 and the gate valve 1, water and gas pass through the buffer valve 11 and enter the exhaust valve body 2 through the gate valve 1, and the buffer valve 11 is arranged to prevent the exhaust valve body 2 from being damaged due to overlarge water pressure. After water and air enter the exhaust valve body 2 through the filter screen 17, along with the rising of the water level in the exhaust valve body 2, the suspension ball 16 rises to cause the lever 18 to drive the valve clack 21 to rise, and then the exhaust hole 23 is blocked; along with the increase of the gas in the exhaust valve body 2, the pressure rises, when the gas pressure in the exhaust valve body 2 exceeds the atmospheric pressure, the gas can lead the water surface to descend, and then the suspension ball body 16 descends, thereby driving the valve clack 21 at the upper end of the lever 18 to descend, leading the exhaust hole 23 to be opened for exhausting; after the gas is exhausted, the steps are repeated, and by means of the mode, the problem that the exhaust valve cannot exhaust due to poor sealing performance and easiness in blocking is solved, the whole structure is simple, the production process requirement is low, and the manufacturing cost is low.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The quick exhaust valve for the agricultural irrigation pipeline comprises a pipeline (13) and an exhaust valve body (2), and is characterized in that a connecting pipe (12) is installed at the upper end of the pipeline (13), a buffer valve (11) is installed at the upper end of the connecting pipe (12), a gate valve (1) is fixedly connected with the upper end of the buffer valve (11), a gate valve knob (9) is installed on the side wall of the gate valve (1), an exhaust valve body (2) is fixedly connected with the upper end of the gate valve (1), the exhaust valve body (2) comprises an upper valve body (15) and a lower valve body (14), a water inlet hole is formed in the bottom end of the lower valve body (14), the lower valve body (14) is connected with an upper valve body (15) through a pin shaft, a lower valve body cover (6) is welded at the top end of the upper valve body (15), an upper valve body cover (5) is installed at the upper end of the lower valve body (6), and a, just valve rod (22) are welded to the intermediate position of stopper (24), the intermediate position of valve rod (22) is equipped with exhaust hole (23), just stopper (24) bottom position welding has baffle (20), baffle (20) upper end swing joint has fixed block (25), just valve clack (21) are installed to fixed block (25) upper end, fixed block (25) bottom is equipped with connecting axle (19), just connecting axle (19) fixedly connected with lever (18), the bottom welding of lever (18) has suspension spheroid (16).

2. The agricultural irrigation pipe quick release valve of claim 1, wherein the inlet opening is fitted with a screen (17).

3. The agricultural irrigation pipe quick release valve of claim 1, wherein the pintle connection comprises a nut (7) and a second bolt (8).

4. The agricultural irrigation pipe quick exhaust valve according to claim 1, wherein a dust cap (4) is mounted at the upper end of the exhaust hole (23), and the valve body upper cover (5) and the valve body lower cover (6) are fixedly connected through a first bolt (3).

5. An agricultural irrigation pipe quick release valve according to claim 1 wherein the dimension between two baffles (20) is smaller than the dimension of the valve flap (21) and the dimension of the valve flap (21) is larger than the diameter of the vent hole (23).