CN212775763U

CN212775763U - Improved multifunctional gate valve

Info

Publication number: CN212775763U
Application number: CN202021395010.7U
Authority: CN
Inventors: 廖才加
Original assignee: Fujian Kerui Valve Co ltd
Current assignee: Fujian Kerui Valve Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-23
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses an improved generation multi-functional gate valve, including valve body, the valve gap of setting on the valve body, flashboard and the rigid coupling of setting in the valve body the valve rod of flashboard, the valve rod can be relative the valve gap reciprocates, is equipped with water inlet and delivery port, its characterized in that on the valve body: the valve body is sequentially provided with a switch cavity, a filtering cavity and a non-return cavity which are communicated from a water inlet to a water outlet, the flashboard is arranged in the switch cavity, the filtering cavity is provided with a filtering plate, a non-return structure for limiting a medium to flow to the water inlet from the water outlet is arranged in the non-return cavity, and the non-return cavity is connected with an exhaust valve. Collect switch, filtration and non return function in an organic whole, not only simple to operate and cost of manufacture are low.

Description

Improved multifunctional gate valve

Technical Field

The utility model relates to a valve body especially relates to an improved generation multi-functional gate valve.

Background

A gate valve is a valve for cutting off or connecting a fluid in a pipeline, and is widely used in fluid lines of tap water, oil, and the like. The common gate valve can not filter particle impurities in the medium and can not prevent the medium from flowing back, and the gate valve, the filter valve and the check valve need to be connected and combined to filter the impurities in the medium and prevent the medium from flowing back. However, the cost of using three valve bodies is high, and the connection of the three valve bodies is time-consuming and labor-consuming.

In view of the above, the present inventors have made extensive studies on a structural gate valve, and have made this invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation multifunction gate valve collects switch, filters and non return function in an organic whole, and not only simple to operate and cost of manufacture are low.

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

the utility model provides an improved generation multi-functional gate valve, includes the valve body, sets up the valve gap on the valve body and sets up being used for in the valve body and open and close the flashboard of valve body, valve gap connection has the valve rod, the flashboard can reciprocate on the valve rod, is equipped with water inlet and delivery port on the valve body, the valve body is seted up the switch cavity that is linked together, is filtered cavity and non return cavity by water inlet to delivery port in proper order, the flashboard is located the switch cavity, it is equipped with the filter to filter the cavity, be equipped with the non return structure of restriction medium by delivery port flow direction water inlet in the non return.

Further, be provided with the confession between the switch cavity with the valve gap the removal cavity that the flashboard reciprocated, the one end fixed connection of valve rod the flashboard, the lock wheel is installed to the other end of valve rod.

Furthermore, the valve body is provided with a disassembly through hole for the filter plate to move in and out above the filter chamber, the disassembly through hole is communicated with the filter chamber, and the valve body is provided with a shielding cover for sealing the disassembly through hole.

Furthermore, the lower end of the shielding cover is provided with a limiting groove, the upper end of the filter plate extends into the positioning groove, the valve body is concavely provided with a positioning groove at the bottom end of the filtering chamber, and the lower end of the filter plate is placed in the positioning groove.

Furthermore, the check chamber is provided with a check plate at a position close to the filtering chamber, the upper end of the check plate is hinged to the upper cavity wall of the check chamber through a connecting shaft, and the check plate can rotate around the connecting shaft towards the water outlet.

Furthermore, a limiting block capable of limiting the rotation of the check plate towards the water inlet is convexly arranged at the position, close to the filtering cavity, of the check cavity.

Furthermore, a connecting pipe is arranged between the exhaust valve and the non-return cavity, and the input end of the exhaust valve is communicated with the non-return cavity through the connecting pipe.

Further, the connecting pipe is a hollow pipe with a length of 10 to 30 CM.

By adopting the technical scheme, the improved multifunctional gate valve of the utility model is provided with the switch cavity, the filtering cavity and the non-return cavity in the valve body, and controls the conduction or the separation of the switch cavity and the filtering cavity through the flashboard; the medium flowing into the filtering chamber can filter particle impurities through the filtering plate, so that the particle impurities in the medium are blocked between the filtering plate and the water inlet; the media in the check chamber is blocked from flowing to the filter chamber by the check structure. So the valve body collects switch, filters and non return function in an organic whole, and simple to operate and cost of manufacture are low not only.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Description of reference numerals:

valve body 100 removal through hole 101

Spacing groove 1021 of shutter cover 102

Positioning groove 103 for opening and closing chamber 110

Valve cover 111 and shutter 112

Valve stem 113 filter chamber 120

Filter plate 121

Check structure 131 of check chamber 130

Check plate 1311 is connected to shaft 1312

Stopper 1313 Water intake 140

Exhaust valve 160 of water outlet 150

Connecting tube 161 locking wheel 170

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to an improved generation multi-function gate valve, as shown in fig. 1, including valve body 100, set up valve gap 111 on valve body 100 and the flashboard 112 that is used for opening and close valve body 100 of setting in valve body 100, valve gap 111 is connected with valve rod 113, and the 113 epirelief of valve rod is equipped with the external screw thread, and flashboard 112 goes up the concave screw hole that is equipped with this external screw thread fit, drives the screw hole through the external screw thread that rotates on the valve rod 113 and reciprocates, and then makes flashboard 112 reciprocate on valve rod 113.

The valve body 100 is provided with a water inlet 140 and a water outlet 150, the valve body 100 is sequentially provided with a switch chamber 110, a filter chamber 120 and a check chamber 130 which are communicated from the water inlet 140 to the water outlet 150, the shutter 112 is arranged on the switch chamber 110, the filter chamber 120 is provided with a filter plate 121, the check chamber 130 is internally provided with a check structure 131 which limits a medium to flow from the water outlet 150 to the water inlet 140, and the check chamber 130 is connected with an exhaust valve 160.

The utility model relates to an improved generation multi-functional gate valve has opened switch cavity 110, filters cavity 120 and check cavity 130 in valve body 100 to through flashboard 112 control switch cavity 110 with filter cavity 120 open and close (switch on or cut off), valve rod 113 rotates with valve gap 111 is synchronous, drive valve rod 113 through rotating valve gap 111 and rotate, and then drive flashboard 112 and reciprocate on valve rod 113;

the medium flowing into the filtering chamber 120 can filter the particle impurities through the filtering plate 121, so that the particle impurities in the medium are blocked between the filtering plate 121 and the water inlet 140; the media within check chamber 130 is blocked from flowing to filter chamber 120 by check structure 131. Thus, the valve body 100 integrates the functions of opening and closing, filtering and non-return, and is convenient to install and low in manufacturing cost.

After the filtering chamber 120 is arranged in the switch chamber 110, the medium passes through the shutter 112 first, and the shutter 112 can adjust the flow rate of the medium, adjust the impact force of the fluid impacting the filter plate 121, and avoid the damage of the filter plate 121 caused by too much fluid impact; the media is filtered and then flows into the check chamber 130 to prevent large particles from jamming the check plate 1311 and further affecting the check effect.

As a preferred mode: a moving chamber for moving the shutter plate 112 up and down is arranged between the opening and closing chamber 110 and the bonnet 111, one end of the valve rod 113 is fixedly connected with the shutter plate 112, and the other end of the valve rod 113 is provided with a lock wheel 170.

As a preferred mode: the valve body 100 is provided with a detaching through hole 101 for the filter plate 121 to move in and out above the filter chamber 120, the detaching through hole 101 communicates with the filter chamber 120, and the valve body 100 is provided with a shutter cover 102 for closing the detaching through hole 101. When maintenance or replacement of the filter plates 121 is required, the shutter cover 102 is opened and the filter plates 121 are moved out of the filter chamber 120.

Spacing recess 1021 has been seted up to the lower extreme of hiding the lid 102, and in the positioning groove 103 was stretched into to the upper end of filter 121, valve body 100 was equipped with positioning groove 103 in the bottom of filtering chamber 120 is concave, and the lower extreme of filter 121 is placed in positioning groove 103. The filter plate 121 can be fixed on the wall of the filter chamber 120 by the limiting groove 1021 and the positioning groove 103.

As a preferred mode: the check chamber 130 is provided with a check plate 1311 near the filter chamber 120, an upper end of the check plate 1311 is hinged to an upper cavity wall of the check chamber 130 by a connecting shaft 1312, and the check plate 1311 can rotate around the connecting shaft 1312 toward the water outlet 150.

A stop block 1313 capable of limiting the rotation of the check plate 1311 towards the water inlet 140 is protruded from the check chamber 130 near the filtering chamber 120, and the stop block 1313 is a bump or a protruding wall structure.

When the media in the valve body 100 flows from the filter chamber 120 to the check chamber 130, the fluid pushes the check plate 1311 toward the water inlet 140, and the filter chamber 120 is communicated with the check chamber 130; when the media in the valve body 100 flows from the check chamber 130 to the filter chamber 120, the fluid pushes the check plate 1311 toward the water inlet 140, and the check plate 1311 cannot be pushed away by the fluid due to the blocking of the stop block 1313, and the check plate 1311 blocks the media from flowing from the check chamber 130 to the filter chamber 120.

As a preferred mode: a connection pipe 161 is provided between the exhaust valve 160 and the check chamber 130, and an input end of the exhaust valve 160 is communicated with the check chamber 130 through the connection pipe 161. The gas in the check chamber 130 may flow out of the valve body 100 through the vent valve 160.

The connection tube 161 is a hollow tube having a length of 10 to 30 CM. Therefore, the exhaust valve 160 not only has a better exhaust effect, but also prevents the liquid medium from contacting the exhaust valve 160, so as to prevent the exhaust valve 160 from being damaged.

The present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications according to the prior art, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides an improved generation multi-functional gate valve, includes the valve body, sets up the valve gap on the valve body and sets up being used for in the valve body and open and close the flashboard of valve body, valve gap connection has the valve rod, the flashboard can reciprocate on the valve rod, is equipped with water inlet and delivery port, its characterized in that on the valve body: the valve body is sequentially provided with a switch cavity, a filtering cavity and a non-return cavity which are communicated from a water inlet to a water outlet, the flashboard is arranged in the switch cavity, the filtering cavity is provided with a filtering plate, a non-return structure for limiting a medium to flow to the water inlet from the water outlet is arranged in the non-return cavity, and the non-return cavity is connected with an exhaust valve.

2. The improved multifunction gate valve of claim 1, wherein: the switch cavity with be provided with the confession between the valve gap the removal cavity that the flashboard reciprocated, the one end fixed connection of valve rod the flashboard, the lock wheel is installed to the other end of valve rod.

3. The improved multifunction gate valve of claim 1, wherein: the valve body is provided with a disassembly through hole for the filter plate to move in and out above the filter chamber, the disassembly through hole is communicated with the filter chamber, and the valve body is provided with a shielding cover for sealing the disassembly through hole.

4. An improved multifunction gate valve as defined in claim 3, wherein: the lower end of the shielding cover is provided with a limiting groove, the upper end of the filter plate extends into the limiting groove, the bottom end of the filter chamber of the valve body is concavely provided with a positioning groove, and the lower end of the filter plate is placed in the positioning groove.

5. The improved multifunction gate valve of claim 1, wherein: the non-return cavity is provided with a non-return plate at a position close to the filtering cavity, the upper end of the non-return plate is hinged to the upper cavity wall of the non-return cavity through a connecting shaft, and the non-return plate can rotate towards the water outlet direction around the connecting shaft.

6. The improved multifunction gate valve of claim 5, wherein: the check cavity is convexly provided with a limiting block which can limit the check plate to rotate towards the water inlet direction and is close to the filtering cavity.

7. The improved multifunction gate valve of claim 1, wherein: a connecting pipe is arranged between the exhaust valve and the non-return cavity, and the input end of the exhaust valve is communicated with the non-return cavity through the connecting pipe.

8. The improved multifunction gate valve of claim 7, wherein: the connecting pipe is a hollow pipe with the length of 10 to 30 CM.