CN211599646U

CN211599646U - Water conservancy non return control valve

Info

Publication number: CN211599646U
Application number: CN201921425034.XU
Authority: CN
Inventors: 高小利
Original assignee: Individual
Current assignee: Tianjin Zhongshiheng Technology Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-09-29
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a water conservancy non return control valve, including the valve body, the top of valve body welds with the fixed block, the surface of fixed block is installed the screw all around respectively at equidistance, the middle part of fixed block welds with the lug, the screw rod is installed on the top of lug, the screw rod welds with the main valve, one side of valve body welds with the inlet tube, the opposite side of valve body welds with the outlet pipe, the inlet tube is connected with the water inlet, the outlet pipe is connected with the delivery port, the water inlet is equipped with the screw around with the delivery port both sides, the bottom of valve body welds with the base support frame, the top of valve body internally mounted has the fixed block, be equipped with the second screw thread on the fixed block, be equipped with first screw thread on the screw rod, the bottom of screw rod is connected with first chassis, the bottom of first chassis bonds with, the inner wall of the water outlet pipe is provided with a speed measuring device. The utility model discloses simple structure, convenient operation, it is multiple functional.

Description

Water conservancy non return control valve

Technical Field

The utility model relates to a hydraulic engineering technical field particularly, relates to a water conservancy non return control valve.

Background

The hydraulic control valve is a valve controlled by water pressure and consists of a main valve and a guide pipe, a pilot valve, a needle valve, a ball valve, a pressure gauge and the like which are attached to the main valve. The remote control ball valve, the pressure reducing valve, the slow-closing check valve, the flow control valve and the pressure relief valve can be developed according to different use purposes, functions and places.

Under the condition that the main valve is not changed, tens of valves with different functions can be evolved according to different requirements in a pipe network through a needle valve, a pilot valve and a corresponding control system, and besides the 5 common water supply systems, an electric float valve, a hydraulic electric control valve, an electromagnetic control valve, a flow control valve, an emergency closing valve and the like are also arranged. All have different design selection requirements and installation requirements.

The hydraulic control valve is operated by utilizing the self pressure of a medium and a hydraulic system in an action mode, can be automatically controlled, has accurate action and reliable performance, and is widely applied to a water supply (including fire fighting) system of a building. The design, selection and installation points of a plurality of common hydraulic control valves such as a remote control ball float valve, an adjustable pressure reducing valve, a slow-closing check valve, a pressure relief valve, a pressure retaining valve and the like are introduced respectively.

The hydraulic control valve is a liquid level automatic control valve, and the opening and closing of a main valve are controlled by the opening and magnetic closing of a ball float valve in a control loop, so that the valve with set liquid level control is achieved.

The traditional hydraulic control valve has single function and cannot achieve multiple purposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water conservancy non return control valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water conservancy non-return control valve is characterized by comprising a valve body and a check valve, wherein the top end of the valve body is welded with a fixed disc, screws are respectively arranged on the periphery of the surface of the fixed disc at equal intervals, the middle part of the fixed disc is welded with a lug, a screw rod is arranged at the top end of the lug and is welded with a main valve, one side of the valve body is welded with an inlet pipe, the other side of the valve body is welded with an outlet pipe, the inlet pipe is connected with a water inlet, the outlet pipe is connected with a water outlet, screw holes are formed in the peripheries of two sides of the water inlet and the water outlet, the bottom end of the valve body is welded with a base supporting frame, a fixed block is arranged inside the top end of the valve body, a second thread is arranged on the fixed block, a first thread is arranged, the first stop block is welded with one side of the inner wall of the valve body, the second stop block is installed at the bottom end of the inner wall of the valve body, the check valve is installed on the inner wall of the water inlet pipe, and the speed measuring device is installed on the inner wall of the water outlet pipe.

Furthermore, the fixed disk is of an oblate structure.

Further, the check valve includes non return baffle, thin pole, spring, fretwork fixed block and second chassis, the bottom of non return baffle with thin pole is connected, thin pole passes the middle part of fretwork fixed block, the bottom of thin pole with the welding of second chassis, the spring is located the bottom of thin pole.

Further, the speed measuring device includes outer lane casing, main shaft and flabellum, the main shaft is located the middle part of outer lane casing, equidistance installation flabellum on the main shaft, outer lane casing with the welding of outlet pipe inner wall.

Further, the gasket is an annular rubber gasket.

Furthermore, a gasket is arranged at the bottom end of the non-return baffle.

Further, the valve body is made of stainless steel metal.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses newly increase the check valve, prevent to take place the situation of backward flow at the water delivery in-process, speed sensor in the outlet pipe can monitor the velocity of flow of rivers, thereby observes the degree of opening that the velocity of flow changes the main valve to reach the degree of the velocity of flow of control.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a water check control valve;

FIG. 2 is a schematic plan cross-sectional view of a water control check control valve;

FIG. 4 is a schematic view of a back flow preventer for a hydraulic check control valve;

fig. 3 is a schematic diagram of a speed measuring device of a water conservancy check control valve.

Reference numerals:

1. a bump; 2. a valve body; 3. a water inlet; 4. a water inlet pipe; 5. a main valve; 6. a screw; 7. a screw; 8. fixing the disc; 9. a screw hole; 10. a water outlet; 11. a water outlet pipe; 12. a base support frame; 13. a check valve; 14. a first stopper; 15. a first thread; 16. a second thread; 17. a first chassis; 18. a gasket; 19. a speed measuring device; 20. a second stopper; 21. a non-return stop block; 22. a thin rod; 23. a spring; 24. hollowing out the fixed block; 25. a second chassis; 26. an outer ring housing; 27. a main shaft; 28. a fan blade; 29. and (5) fixing blocks.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a water conservancy check control valve according to an embodiment of the present invention includes a valve body 2 and a check valve 13, wherein the top end of the valve body 2 is screwed to a fixed disk 8, screws 7 are respectively installed around the surface of the fixed disk 8 at equal intervals to facilitate disassembly, the middle portion of the fixed disk 8 is welded to a projection 1, the top end of the projection 1 is provided with a screw 6, the screw 6 is welded to a main valve 5, the main valve 5 is a switch for controlling the flow rate of water, one side of the valve body 2 is welded to a water inlet pipe 4, the other side of the valve body 2 is welded to a water outlet pipe 11, the water inlet pipe 4 is connected to a water inlet 3, the water outlet pipe 11 is connected to a water outlet 10, the water inlet 3 and the water outlet 10 are provided with screw holes 9 around two sides for facilitating the fixation of an, used for supporting valve body 2, the top internally mounted of valve body 2 has fixed block 29, be equipped with second screw thread 16 on the fixed block 29, be equipped with first screw thread 15 on the screw rod 6, threaded connection between the two, the bottom and the first chassis 17 of screw rod 6 are connected, the bottom and the gasket 18 on first chassis 17 bond, the increase gas tightness, first dog 14 with 2 inner wall one side welding of valve body, second dog 20 are installed 2 inner wall bottoms of valve body, check valve 13 is installed to 4 inner walls of inlet tube, prevents the backward flow, speed sensor 19 is installed to 11 inner walls of outlet pipe, the monitoring velocity of flow.

Through the above scheme of the utility model, the fixing disc 8 is of an oblate structure, the check valve 13 comprises a check baffle 21, a thin rod 22, a spring 23, a hollow fixing block 24 and a second chassis 25, the bottom end of the check baffle 21 is connected with the thin rod 22, the thin rod 22 passes through the middle part of the hollow fixing block 24, the bottom end of the thin rod 22 is welded with the second chassis 25, the spring 23 is located at the bottom end of the thin rod 22, the speed measuring device 19 comprises an outer ring shell 26, a main shaft 27 and fan blades 28, the main shaft 27 is located at the middle part of the outer ring shell 26, the fan blades 28 are equidistantly installed on the main shaft 27, the outer ring shell 26 and the inner wall of the water outlet pipe 11 are welded, the gasket 18 is an annular rubber gasket, the bottom end of the non-return baffle 21 is provided with a gasket, the air tightness is increased, and the valve body 2 is made of stainless steel metal and is prevented from rusting.

The working principle is as follows:

the pipelines of the water inlet 3 and the water outlet 10 are respectively connected, after the pipelines are connected, water is introduced, the check valve 13 prevents backflow, the speed measuring device 19 monitors the flow speed, the opening degree of the main valve 6 is changed to control the flow speed, and therefore the effect that one valve is multipurpose is achieved. The utility model discloses simple structure, convenient operation, it is multiple functional.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 water conservancy non-return control valve is characterized by comprising a valve body (2) and a check valve (13), wherein the top end of the valve body (2) is welded with a fixed disc (8), screws (7) are respectively installed on the periphery of the surface of the fixed disc (8) at equal intervals, the middle part of the fixed disc (8) is welded with a convex block (1), a screw rod (6) is installed on the top end of the convex block (1), the screw rod (6) is welded with a main valve (5), one side of the valve body (2) is welded with a water inlet pipe (4), the other side of the valve body (2) is welded with a water outlet pipe (11), the water inlet pipe (4) is connected with a water inlet (3), the water outlet pipe (11) is connected with a water outlet (10), the water inlet (3) is provided with screw holes (9) around the two sides of the water outlet (10), and the bottom end of the valve, the top internally mounted of valve body (2) has fixed block (29), be equipped with second screw thread (16) on fixed block (29), be equipped with first screw thread (15) on screw rod (6), the bottom and first chassis (17) of screw rod (6) are connected, the bottom and gasket (18) of first chassis (17) bond, first dog (14) with valve body (2) inner wall one side welding, second dog (20) are installed valve body (2) inner wall bottom, check valve (13) are installed to inlet tube (4) inner wall, speed sensor (19) are installed to outlet pipe (11) inner wall.

2. A water conservancy check control valve according to claim 1, characterized in that the fixed disc (8) is of an oblate configuration.

3. The water conservancy check control valve of claim 1, characterized in that, check valve (13) includes check baffle (21), slender rod (22), spring (23), fretwork fixed block (24) and second chassis (25), the bottom of check baffle (21) with slender rod (22) are connected, slender rod (22) pass the middle part of fretwork fixed block (24), the bottom of slender rod (22) with second chassis (25) welding, spring (23) are located the bottom of slender rod (22).

4. The water conservancy check control valve of claim 1, characterized in that speed sensor (19) includes outer lane casing (26), main shaft (27) and flabellum (28), main shaft (27) are located the middle part of outer lane casing (26), fan flabellum (28) are installed to main shaft (27) equidistance, outer lane casing (26) with outlet pipe (11) inner wall welding.

5. A water conservancy check control valve according to claim 1, characterised in that the gasket (18) is an annular rubber gasket.

6. A water conservancy check control valve according to claim 3, characterized in that the bottom end of the check damper (21) is provided with a gasket.

7. A water conservancy check control valve according to claim 1, characterized in that the valve body (2) is a stainless steel material metal.