CN200943738Y

CN200943738Y - Modified multiple-pass one-way valve

Info

Publication number: CN200943738Y
Application number: CN 200620131236
Authority: CN
Inventors: 姚国宁
Original assignee: CHINA SINGFUN ELECTRIC GROUP Co Ltd
Current assignee: CHINA SINGFUN ELECTRIC GROUP Co Ltd
Priority date: 2006-08-22
Filing date: 2006-08-22
Publication date: 2007-09-05
Anticipated expiration: 2016-08-22

Abstract

This utility model relates to one kind of improved multi-way non-return valve, consisting of the pipe and valve stem which is installed in the pipe as well as valve seat which is matched with valve stem; the outlet pipe diameter of pipe mentioned is greater than that of the inlet pipe, the top of valve stem mentioned can be closely connected with the entry of outlet pipe, and the bottom adapter of valve stem mentioned can be in the pipe of valve seat. For the reason that the outlet pipe diameter of one kind of improved multi-way non-return valve of this utility model is greater than the inlet pipe diameter, when the air is in the liquid fluid, the air and liquid can be separated by use of different pressure between the air and liquid, to prevent leaking of the valve owing to bubbles; the top of valve stem mentioned can be closely connected with entry of outlet pipe, and the bottom adapter of valve stem mentioned is in the pipe of valve seat; this structure is simple, easy to manufacture which can greatly save production costs.

Description

A kind of improved many logical one-way valves

Technical field:

The utility model relates to a kind of fluid pipe valve, more particularly, relates to a kind of improved many logical one-way valves.

Background technique:

The utility model is mainly used in the valve body structure of control flows direction of flow in the fluid line.Existing pipeline valve mostly is spherical valve, and as Chinese patent CN03804698.9 " tee ball valve ", its principle by the rotation of ball valve, makes when the hole communicates fluid flow for to communicate and obstructed hole by offering on ball valve; When the hole does not communicate, the fluid cutout; But the defective of this kind technology is, because what needs were frequent carries out steering operation to the spherical valve body member, could realize the through-flow of fluid motion and cutout, so, after time is permanent, owing to frequently turn to, very easily produce wearing and tearing, make the diversion function of valve body be easy to generate leakage, can not satisfy actual demand and also therefore become the working life of product itself, and this kind valve body product is comparatively meticulous to the requirement of structure, also increased its manufacture cost, especially in the production and manufacturing of drinking machine, a kind of cost of demand is low more, be easy to make, and the effective valve body structure that can realize the fluid one-way flow.In addition, because the difference of different occasions, distinct device, different fluid type makes fluid pipe valve only be threeway, bigger narrow limitation has also appearred, so for the defective that many prior aries exist, we need carry out more optimal technological improvement and innovation to it.

The model utility content:

Technical problem to be solved in the utility model is, overcomes the defective of above-mentioned prior art and provides simple in structure, is convenient to make, and can realize a kind of improved many logical one-way valves of gas-liquid separation.

For achieving the above object, the utility model is taked following design proposal: a kind of improved many logical one-way valves, comprise body and be arranged on the interior valve rod of body, and the valve seat that matches with valve rod, the outlet pipe caliber of described body is greater than the intake pipe caliber, the top of described valve rod can cooperate with the outlet pipe inlet seal, the adaptive tube chamber that is positioned at valve seat in the bottom of described valve rod.

A kind of improved many logical one-way valves according to the utility model provides also have following attached technical characteristics:

Described valve seat is provided with the wing floor that is connected with the tube chamber outer wall.

Described wing floor links to each other with the bottom of valve seat.

The bottom of described valve seat is tightly connected mutually with outlet pipe.

Described valve rod top is a tapered structure, and the bottom surface is the plane.

The cone type structure of described valve rod top for matching with the outlet pipe inlet.

Described intake pipe has one at least.

The utility model has the advantages that: because a kind of improved many logical one-way valves of the present utility model, the outlet pipe caliber of its body is greater than the intake pipe caliber, so, when having gas in the liquid, just can be in relatively large space, utilize the pressure difference between liquids and gases, and make gas-liquid separation, prevent to produce more bubble and make valve body produce to leak; The top of described valve rod can cooperate with the outlet pipe inlet seal, the adaptive tube chamber that is positioned at valve seat in the bottom of described valve rod, and the structure of this kind is very simple, and convenient the manufacturing can be saved cost of production greatly.

Description of drawings:

Fig. 1 is a kind of embodiment's of the utility model a generalized section;

Fig. 2 is the generalized section of three-way pipe among a kind of embodiment of the utility model;

Fig. 3 is the generalized section of the utility model valve rod;

Fig. 4 is the generalized section of the utility model valve seat;

Fig. 5 is the plan view of the utility model valve seat;

Fig. 6 is the user mode schematic representation of the utility model before sealing;

Fig. 7 is the user mode schematic representation of the utility model after sealing;

Fig. 8 is the another kind of embodiment's of the utility model a generalized section;

Fig. 9 is the 3rd embodiment's of the utility model a generalized section.

Specific embodiments:

Embodiment 1:

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of improved many logical one-way valves of the present utility model shown in it, comprise body 1 and the valve rod 2 that is arranged in the body 1, and the valve seat 3 that matches with valve rod 2, outlet pipe 11 calibers of described body 1 are greater than intake pipe 12 calibers, the top 21 of described valve rod 2 can enter the mouth with outlet pipe and 111 be sealed and matched the bottom 22 adaptive tube chambers 31 that are positioned at valve seat 3 of described valve rod 2.When having bubble in the liquid in the body 1, because the caliber of outlet pipe 11 is bigger, there is pressure difference between liquid internal and the gas simultaneously, so, help more making that the bubble in the liquid is gathered together, from water outlet 112 or outlet pipe inlet 111, discharge, can prevent effectively because the bubble that disperses is too much, influence the seal degree of valve rod and outlet pipe inlet 111, cause gas leakage or leakage.

Structures referring to the valve rod 2 of a kind of improved many logical one-way valves of Fig. 3 the utility model shown in it, described valve rod 2 tops 22 are tapered structure, preferably, described valve rod 2 tops 22 are and the outlet pipe inlet 111 cone type structures that match, usually the cross section of water pipe body mostly is circular, so valve body 2 tops also are preferably the cone type structure; Certainly when the water pipe body is square or other geometrical shapies in some cases, 22 at pairing valve rod 2 tops are the tapered structure of corresponding rectangular pyramid or other shapes, the bottom surface at described valve rod 2 tops 22 is the plane, this spline structure can increase the area of contact of valve rod 2 tops 22 and liquid, can better accept the floating function in the liquid, make that valve rod 2 can be under floating function, rise to the position of outlet pipe inlet 111, and make it to be tightly connected, form one-way flow, reach the purpose of one-way valve.

Referring to Fig. 4 and Fig. 5, the structure of the valve seat 3 of a kind of improved many logical one-way valves of the utility model shown in it, described valve seat 3 is provided with the wing floor 32 that is connected with tube chamber 31 outer walls, be preferably and be provided with three wing floors, described wing floor 32 links to each other with the bottom 33 of valve seat 3, and the bottom 33 of described valve seat 3 is tightly connected mutually with outlet pipe 11.Wing floor 32 act as the fixedly pipe structure of tube chamber 31, make it can be connected securely with the bottom 33 of valve seat 3, not fragile; Simultaneously, the shape that wing floor 32 is flat can further be saved the space, improves the internal capacity of outlet pipe 11, can be beneficial to the gas-liquid separation of outlet pipe 11 inside more, reaches the action effect of removing bubble.Simultaneously, this kind structure makes that the structure of valve seat 3 is very simple, be easy to make, and, make that the cooperation installation between valve seat 3 and the body 1 also is more prone to, can enhance productivity greatly, and save production cost; Simultaneously, this structure in use can not produce wearing and tearing, has further improved working life yet, has reduced the depreciable cost of using.

Referring to Fig. 6 and Fig. 7, a kind of improved many logical one-way valves of the present utility model shown in it are before sealing and the user mode schematic representation after the sealing, liquid flows in intake pipe 12, flow out from outlet pipe 11, when the liquid of outlet pipe 11 filled up, valve rod 2 made the top 22 of valve rod 2 be tightly connected with outlet pipe inlet 111 just at the effect float downward of liquid buoyancy with matching, the multiple-way valve sealing, the liquid cutout; After liquid flowed out from outlet pipe outlet 112, just intake pipe 12 under the pressure of liquid, decline resetted valve rod 2, and liquid continues to circulate;

On the other hand, if liquid flows into from outlet pipe outlet 112, then the top 22 of valve rod 2 can be subjected to the fluid pressure effect, make valve rod 2 integral body also can float is tightly connected with 111 formation of outlet pipe inlet with matching, stop liquid to flow out from water intake 12, liquid stops circulation, realizes the purpose of one-way flow.

Embodiment 2;

Referring to Fig. 1, Fig. 8 and Fig. 9, other two kinds of embodiments of a kind of improved many logical one-way valves of the utility model shown in it, comprise body 1 and the valve rod 2 that is arranged in the body 1, and the valve seat 3 that matches with valve rod 2, outlet pipe 11 calibers of described body 1 are greater than intake pipe 12 calibers, the top 21 of described valve rod 2 can enter the mouth with outlet pipe and 111 be sealed and matched, the bottom 22 adaptive tube chambers 31 that are positioned at valve seat 3 of described valve rod 2, and described intake pipe 12 has one at least.

Referring to Fig. 8, in the foregoing description of a kind of improved many logical one-way valves that provide, described intake pipe 12 has only one.

Referring to Fig. 9, in the foregoing description of a kind of improved many logical one-way valves that provide, described intake pipe 12 has three.

Obviously, those of ordinary skill in the art can constitute various types of many logical one-way valves with a kind of improved many logical one-way valves of the present utility model, is applied to the unidirectional through-flow and/or choked flow effect of different fluid.

The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims

1, a kind of improved many logical one-way valves, comprise body (1) and be arranged on the interior valve rod (2) of body (1), and the valve seat (3) that matches with valve rod (2), it is characterized in that: outlet pipe (11) caliber of described body (1) is greater than intake pipe (12) caliber, the top (21) of described valve rod (2) can enter the mouth with outlet pipe (111) be sealed and matched the adaptive tube chamber (31) that is positioned at valve seat (3) in the bottom (22) of described valve rod (2).

2, a kind of improved many logical one-way valves according to claim 1, it is characterized in that: described valve seat (3) is provided with the wing floor (32) that is connected with tube chamber (31) outer wall.

3, a kind of improved many logical one-way valves according to claim 2, it is characterized in that: described wing floor (32) links to each other with the bottom (33) of valve seat (3).

4, a kind of improved many logical one-way valves according to claim 3, it is characterized in that: the bottom (33) of described valve seat (3) is tightly connected mutually with outlet pipe (11).

5, a kind of improved many logical one-way valves according to claim 1, it is characterized in that: described valve rod (2) top (22) is tapered structure, and the bottom surface is the plane.

6, a kind of improved many logical one-way valves according to claim 5 is characterized in that: the cone type structure of described valve rod (2) top (22) for matching with outlet pipe inlet (111).

7, a kind of improved many logical one-way valves according to claim 1, it is characterized in that: described intake pipe (12) has one at least.