CN211175517U

CN211175517U - Valve capable of preventing water from flowing backwards

Info

Publication number: CN211175517U
Application number: CN202020014640.9U
Authority: CN
Inventors: 张礼斌; 林子楗; 张原郡
Original assignee: Guangzhou Jiaming Technology Co ltd
Current assignee: Guangzhou Jiaming Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-04
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a valve capable of preventing water from flowing backwards, which relates to the technical field of valves and comprises a valve body and a flow guide pipe, wherein the flow guide pipe is fixedly arranged at the top of the valve body, one side of the valve body is fixedly provided with a water inlet pipe, the other side of the valve body is fixedly provided with a water outlet pipe, one side of the flow guide pipe close to the water inlet pipe is fixedly provided with a filter screen, a filter material collecting mechanism is fixedly arranged in the valve body, one side of the flow guide pipe close to the water outlet pipe is fixedly provided with an anti-reflux mechanism, a water baffle is movably arranged in the valve body, one end of the water baffle is fixedly provided with a connecting rod, one end of the connecting rod, which passes through the valve body and extends to the outside of the valve body, is fixedly provided with an adjusting handle, and the outer wall, the quick water supply is not influenced by the arrangement of the anti-reflux mechanism, and the practical value is higher.

Description

Valve capable of preventing water from flowing backwards

Technical Field

The utility model relates to the technical field of valves, specifically a can prevent valve of water refluence.

Background

The valve is a part for controlling the flow direction of pipelines and media, is a very common and necessary small accessory in liquid conveying pipelines and gas conveying pipelines, particularly, with the continuous progress of modern society, more and more pipelines are used, more and more valves are used, the types of the valves are various at present, the valves can be divided into a plurality of types according to different use requirements, and the current use requirements can be basically met;

however, most of the current valves have simple structures, and still have some defects in practical use and need to be improved:

on one hand, most of the existing valves capable of preventing water from flowing backwards have no filtering function, and few valves with filtering functions are difficult to clean, so that the valves are easy to block;

on the other hand, most of the backflow prevention mechanisms of the conventional valve devices for preventing water from flowing backwards affect the water flow rate, and are not suitable for rapid water flow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent valve of water refluence to the problem that the filter that proposes is difficult to the clearance and prevents that mechanism influences the water flow rate against the current in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can prevent valve of water refluence, includes valve body and honeycomb duct, the honeycomb duct is fixed to be set up the valve body top, the fixed inlet tube that is provided with in valve body one side, the fixed drain pipe that is provided with of valve body opposite side, the honeycomb duct is close to the fixed filter screen that is provided with in one side of inlet tube, the fixed thing collection mechanism that filters that is provided with in the valve body, the honeycomb duct is close to the fixed anti-reflux mechanism that is provided with in one side of drain pipe, the activity is provided with the water-blocking board in the valve body, the fixed connecting rod that is provided with of water-blocking board one end, the connecting rod passes the valve body extends to the fixed.

As a further aspect of the present invention: still fixedly in the draught tube being provided with clearance mechanism, the fixed water injection seat that is provided with on the outer wall of valve body, the water injection seat pass through the pipe with clearance mechanism intercommunication.

As a further aspect of the present invention: and a sealing plug is fixedly arranged on the water injection seat.

As a further aspect of the present invention: the cleaning mechanism comprises a water through ring and an inclined spray pipe, and the inclined spray pipe is fixedly arranged at the bottom of the water through ring.

As a further aspect of the present invention: the filter material collecting mechanism comprises a conical filter screen and a sealing piece, a threaded pipe is fixedly arranged at the bottom of the conical filter screen, and the sealing piece is installed at the bottom of the conical filter screen through the threaded pipe.

As a further aspect of the present invention: the water passing groove is formed in one side, close to the water inlet pipe, of the conical filter screen, and a sealing gasket is fixedly arranged at the top of the sealing element.

As a further aspect of the present invention: the anti-reflux mechanism comprises a fixed disk and a sealing disk, and the sealing disk is fixedly arranged on the fixed disk through a spring.

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

the utility model discloses have good anti-reflux function, still have certain filtering capability, and be convenient for wash, the flow size can be adjusted according to the actual demand simultaneously, can not influence quick water-filling because of the setting of anti-reflux mechanism, and practical value is higher.

Drawings

FIG. 1 is a sectional view of a valve for preventing reverse flow of water;

FIG. 2 is a schematic view showing a structure of a cleaning mechanism in a valve for preventing reverse flow of water;

FIG. 3 is a schematic view showing a filter screen collecting mechanism in a valve for preventing reverse flow of water;

FIG. 4 is a schematic view showing the structure of a reverse flow preventing mechanism in a valve for preventing reverse flow of water;

in the figure: 1-valve body, 2-water inlet pipe, 3-water outlet pipe, 4-flow guide pipe, 5-filter screen, 6-filtrate collecting mechanism, 7-anti-reflux mechanism, 8-water blocking plate, 9-connecting rod, 10-sealing layer, 11-adjusting handle, 12-conical filter screen, 13-threaded pipe, 14-sealing element, 15-sealing pad, 16-sealing pad, 17-fixing pad, 18-spring, 19-water injection seat, 20-guide pipe, 21-cleaning mechanism, 22-water through ring and 23-oblique spray pipe.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a valve for preventing water from flowing backwards includes a valve body 1 and a flow guide pipe 4;

as shown in figure 1, a flow guide pipe 4 is fixedly arranged at the top of a valve body 1, one side of the valve body 1 is fixedly provided with a water inlet pipe 2, the other side of the valve body 1 is fixedly provided with a water outlet pipe 3, one side of the flow guide pipe 4 close to the water inlet pipe 2 is fixedly provided with a filter screen 5, the valve body 1 is internally and fixedly provided with a filtrate collecting mechanism 6, one side of the flow guide pipe 4 close to the water outlet pipe 3 is fixedly provided with an anti-reflux mechanism 7, the valve body 1 is internally and movably provided with a water baffle plate 8, one end of the water baffle plate 8 is fixedly provided with a connecting rod 9, one end of the connecting rod 9, which penetrates through the valve body 1 and extends to the outside of the valve body 1, is fixedly provided with an adjusting handle 11, the outer wall of the connecting rod 9 is provided with a sealing layer 10, in the utility model, and the position of the water-blocking plate 8 can be adjusted through adjusting the handle 11, similar to traditional butterfly valve structure, changes the water-passing rate through changing the relative inclination angle between the water-blocking plate 8 and the valve body 1, makes the utility model discloses can open the water-blocking plate 8 when needing to lead to water fast, then close the water-blocking plate 8 when not needing.

Referring to fig. 2 and 3, a cleaning mechanism 21 is further fixedly disposed in the flow guide pipe 4, a water injection seat 19 is fixedly disposed on the outer wall of the valve body 1, the water injection seat 19 is communicated with the cleaning mechanism 21 through a guide pipe 20, a sealing plug is fixedly disposed on the water injection seat 19, the cleaning mechanism 21 includes a water through ring 22 and an inclined spray pipe 23, the inclined spray pipe 23 is fixedly disposed at the bottom of the water through ring 22, the filtrate collecting mechanism 6 includes a conical filter screen 12 and a sealing member 14, a threaded pipe 13 is fixedly disposed at the bottom of the conical filter screen 12, the sealing member 14 is mounted at the bottom of the conical filter screen 12 through the threaded pipe 13, a water through groove is disposed at one side of the conical filter screen 12 close to the water inlet pipe 2, and a sealing gasket 15 is fixedly disposed at the top of the sealing member 14, in the utility model, the cleaning mechanism 21 can be matched with the filtrate collecting mechanism 6, only need to introduce water into the water injection seat 19, then the cleaning agent is sprayed out from the inclined spray pipes 23, the inclined angle of the inclined spray pipes 23 is the same as that of the conical filter screen 12, and filtered objects on the conical filter screen 12 can be well cleaned, so that a basic cleaning effect is realized.

As shown in FIG. 4, prevent mechanism 7 against current includes fixed disk 17 and sealed dish 16, and sealed dish 16 passes through spring 18 and fixes the setting on fixed disk 17 the utility model discloses during the use, water gets into from sealed 16 tops of dish, can be ejecting with sealed dish 16 under the water pressure effect to discharge smoothly, and when rivers do not get into from honeycomb duct 4, can retract under sealed dish 16's the spring 18 pulling force, block up honeycomb duct 4, the unable refluence of water this moment.

The utility model discloses a theory of operation is: when the utility model is used, the water inlet pipe 2 is communicated with the water inlet end, the water outlet pipe 3 is communicated with the water outlet end, and then the valve can be normally used, the anti-reflux mechanism 7 in the guide pipe 4 plays a basic function of preventing water from flowing backwards, the filter screen 5 is matched with the filtrate collecting mechanism 6 to filter solid impurities in the fluid passing through the valve, the sealing element 14 can be taken out when the filter is more after being used for a period of time, water is introduced into the water injection seat 19, the water enters the water passage pipe 22 after passing through the guide pipe 4 and then is sprayed out from the inclined spray pipe 23, the inclination angle of the inclined spray pipe 23 is the same as the inclination angle of the conical filter screen 12, the filtrate on the conical filter screen 12 can be cleaned, the water blocking plate 8 is similar to the traditional butterfly valve structure, the water flow rate is changed by changing the relative inclination angle between the water blocking plate 8 and the valve body 1, so that the utility model can open the water blocking plate 8 when the water is rapidly, then close water-blocking plate 8 when not needing, compare with traditional valve, the utility model discloses have good anti-reflux function, still have certain filtering capability, and be convenient for wash, the flow size can be adjusted according to the actual demand simultaneously, can not influence fast water-filling because of preventing setting up of mechanism against the current, practical value is higher.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The valve capable of preventing water from flowing backwards comprises a valve body (1) and a flow guide pipe (4), and is characterized in that the flow guide pipe (4) is fixedly arranged at the top of the valve body (1), one side of the valve body (1) is fixedly provided with a water inlet pipe (2), the other side of the valve body (1) is fixedly provided with a water discharge pipe (3), one side of the flow guide pipe (4) close to the water inlet pipe (2) is fixedly provided with a filter screen (5), the valve body (1) is internally fixedly provided with a filtrate collecting mechanism (6), one side of the flow guide pipe (4) close to the water discharge pipe (3) is fixedly provided with an anti-reflux mechanism (7), the valve body (1) is internally movably provided with a water blocking plate (8), one end of the water blocking plate (8) is fixedly provided with a connecting rod (9), the connecting rod (9) penetrates through the valve body (1) and extends to the outer, and a sealing layer (10) is arranged on the outer wall of the connecting rod (9).

2. The valve capable of preventing water from flowing backwards as claimed in claim 1, wherein a cleaning mechanism (21) is further fixedly arranged in the flow guide pipe (4), a water injection seat (19) is fixedly arranged on the outer wall of the valve body (1), and the water injection seat (19) is communicated with the cleaning mechanism (21) through a guide pipe (20).

3. A valve for preventing water from flowing backwards as claimed in claim 2, wherein a sealing plug is fixedly arranged on the water filling seat (19).

4. A valve for preventing water from flowing backwards as claimed in claim 2, wherein the cleaning mechanism (21) comprises a water through ring (22) and an inclined nozzle (23), and the inclined nozzle (23) is fixedly arranged at the bottom of the water through ring (22).

5. A valve for preventing water from flowing backwards as claimed in claim 1, wherein the filtrate collecting mechanism (6) comprises a conical filter screen (12) and a sealing member (14), a threaded pipe (13) is fixedly arranged at the bottom of the conical filter screen (12), and the sealing member (14) is installed at the bottom of the conical filter screen (12) through the threaded pipe (13).

6. The valve capable of preventing water from flowing backwards as claimed in claim 5, wherein a water trough is formed in one side of the conical filter screen (12) close to the water inlet pipe (2), and a sealing gasket (15) is fixedly arranged at the top of the sealing element (14).

7. A valve for preventing reverse flow of water as claimed in claim 1, wherein said reverse flow preventing means (7) comprises a fixed disk (17) and a sealing disk (16), said sealing disk (16) being fixedly disposed on said fixed disk (17) by means of a spring (18).