CN112128434A - Ball-type check valve with sensitive reaction - Google Patents
Ball-type check valve with sensitive reaction Download PDFInfo
- Publication number
- CN112128434A CN112128434A CN202011038173.4A CN202011038173A CN112128434A CN 112128434 A CN112128434 A CN 112128434A CN 202011038173 A CN202011038173 A CN 202011038173A CN 112128434 A CN112128434 A CN 112128434A
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- China
- Prior art keywords
- valve
- ball
- valve body
- pipeline
- connecting seat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/048—Ball features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention belongs to the technical field of check valves, and discloses a ball-type check valve with sensitive response, which is characterized by comprising a valve body, a valve ball moving pipeline, a connecting seat, a bent pipe, a first bolt, a second bolt and a valve ball; the valve body is a hollow pipeline and comprises a liquid inlet and a liquid outlet; one end of the valve ball moving pipeline is communicated with the valve body, one end of the connecting seat is communicated with the valve body, and the connecting seat is positioned between the valve ball moving pipeline and the liquid outlet; the other end of the valve ball moving pipeline is detachably connected with a valve cover through a first bolt, the top end of the valve cover is communicated with one end of the bent pipe, and the other end of the bent pipe is fixedly connected to the connecting seat through a second bolt; the inner wall of the valve body is provided with a Venturi structure, and the Venturi structure is positioned between the valve ball moving pipeline and the connecting seat. The invention utilizes the Venturi structure to shorten the reaction time of the ball valve in the process of opening and closing the ball check valve, thereby avoiding unnecessary loss.
Description
Technical Field
The invention belongs to the technical field of check valves, and particularly relates to a ball-type check valve with sensitive response.
Background
The check valve is an automatic valve, also called a one-way valve or a check valve and the like, and is mainly used for realizing automatic opening and closing of the valve by means of the flowing of a medium, preventing the medium from flowing backwards and the reverse rotation of a pump and a driving motor, preventing water shock waves generated when the water pump and the driving motor stop operating suddenly, and reducing the damage to a pipeline system and the like.
The ball-type check valve is a valve structure widely applied in a pipeline system, and generally comprises a valve body, a valve seat, a ball body and the like, wherein the ball body is movably arranged in the valve body and is in sealing contact with the valve seat by utilizing the self gravity. When water enters the valve body, the ball body is separated from the valve seat under the action of water flow pressure, namely the ball-type check valve opens water; when the valve body finishes water inlet, the ball body and the valve seat form sealing contact again under the action of self gravity, namely the ball-type check valve is closed.
However, in the use process of the ball-type check valve in the market, as the valve body is opened and closed by the valve ball under the action of buoyancy and self gravity of liquid, certain reaction time is required in the process, so that an ideal effect cannot be achieved in the use process, unnecessary loss can still be caused, and the ball-type check valve with sensitive reaction is designed for solving the problem.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention provides the ball-type check valve with sensitive response, so that the response time of a valve ball is shortened in the process of opening and closing the ball-type check valve, and unnecessary loss is avoided.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A ball-type check valve with sensitive response is characterized by comprising a valve body, a valve ball moving pipeline, a connecting seat, a bent pipe, a first bolt, a second bolt and a valve ball;
the valve body is a hollow pipeline and comprises a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are both provided with internal threads;
one end of the valve ball moving pipeline is communicated with the valve body, one end of the connecting seat is communicated with the valve body, and the connecting seat is positioned between the valve ball moving pipeline and the liquid outlet;
the other end of the valve ball moving pipeline is detachably connected with a valve cover through a first bolt, the top end of the valve cover is communicated with one end of the bent pipe, and the other end of the bent pipe is fixedly connected to the connecting seat through a second bolt;
a Venturi structure is arranged on the inner wall of the valve body and is positioned between the valve ball moving pipeline and the connecting seat;
the valve ball is positioned in the valve body, the diameter of the valve ball is larger than that of the valve body, and the diameter of the valve ball is smaller than that of the valve ball moving pipeline.
Preferably, the acute angle formed between the ball moving duct and the valve body is 45 degrees.
Preferably, the joint of the valve cover and the valve ball moving pipeline and the joint of the elbow and the connecting seat are provided with sealing gaskets.
Preferably, through the parts of bolted connection, the packing ring has all been placed between bolt head bottom and the connecting piece terminal surface.
Preferably, an annular groove is formed in the valve body, the annular groove is located at the joint of the valve body and the valve ball moving pipeline and is close to the liquid inlet, and an O-shaped sealing ring is embedded in the annular groove.
Preferably, the valve ball material is rubber.
Preferably, the circumference outside of valve body is provided with alarm device.
Preferably, the alarm device comprises a mercury switch K, a power supply U and an alarm lamp L, wherein the mercury switch K is parallel to the axis of the valve body, the positive pole of the power supply U is connected with one pole of the mercury switch K through a lead, the other pole of the mercury switch K is connected with one pole of the alarm lamp L through a lead, and the other pole of the alarm lamp L is connected with the negative pole of the power supply U through a lead.
Preferably, the arrow-shaped marker is arranged on the outer wall of the valve body.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a new technical idea, through a Venturi structure arranged in a valve body, when a pipeline is opened, a valve ball moves the pipeline to rise along the valve ball under the action of buoyancy of liquid flow, the liquid flow continues to flow forwards, a negative pressure area is generated when the liquid flow passes through the Venturi structure, one end of a bent pipe is communicated with the negative pressure area, suction force is generated on the valve ball in the valve ball moving pipeline through the bent pipe, the rising of the valve ball is accelerated, and the pipeline is communicated more quickly.
When the pipeline is closed, the valve ball can descend along the valve ball moving pipeline under the action of the gravity of the valve ball moving pipeline, meanwhile, the backflow liquid flow flows to the valve ball moving pipeline through the bent pipe to apply pressure to the valve ball in the valve ball moving pipeline, descending of the valve ball is accelerated, the valve body is blocked, and damage of water shock waves to a pipeline system and the valve is reduced.
The ball-type check valve with sensitive reaction can increase the sealing performance of the joint through the design of the sealing gasket, prevent the leakage of liquid flow and prevent the pressure in the valve body from being always the same as the atmospheric pressure.
And fourthly, the O-shaped sealing ring embedded in the annular groove of the ball-type check valve with sensitive reaction can better prevent the backflow of liquid flow.
The ball-type check valve with sensitive reaction and the valve ball made of rubber can prevent the valve body from being accidentally injured by the valve ball in the moving process and can also enable the valve ball to move up and down under the action of buoyancy.
The design of the alarm device can ensure that the inclined angle is within a certain range when the valve body is installed when the check valve is installed, thereby ensuring the sealing performance when the valve body is in check.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the present invention with liquid flow connected;
FIG. 3 is a schematic view of the present invention with flow cut-off;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a schematic perspective view of the valve body and its upper part;
FIG. 6 is a schematic perspective view of the elbow and valve cover of the present invention;
FIG. 7 is a circuit diagram of the alarm device of the present invention;
in the figure: 1. valve body, 101, inlet, 102, liquid outlet, 103, venturi structure, 104, annular groove, 2, valve ball removal pipeline, 3, connecting seat, 4, return bend, 5, valve gap, 6, first bolt, 7, second bolt, 8, valve ball, 9, O type sealing washer, 10, negative pressure zone, 11, alarm device.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the drawings of the embodiments of the present application, hatching of various types in the drawings is not labeled according to national standards, does not require the material of elements, and distinguishes the sectional views of the elements in the drawings.
Please refer to fig. 1-6, which illustrate a ball check valve with sensitive response, which is a ball check valve with sensitive response for automatically opening and closing the valve in the pipeline system mainly by the medium flowing, preventing the medium from flowing backwards, preventing the pump and the driving motor from reversing, preventing the water hammer generated when the water pump and the driving motor stop operating suddenly, and reducing the damage to the pipeline system. Concretely, a ball-type check valve that reaction is sensitive, including valve body 1, valve ball removal pipeline 2, connecting seat 3, return bend 4, first bolt 6, second bolt 7 and valve ball 8.
The valve body 1 is a hollow pipeline, a liquid inlet 101 and a liquid outlet 102 are respectively arranged at two ends of the valve body 1, and the liquid inlet and the liquid outlet are respectively arranged at two ends of the valve body 1
One end and the valve body 1 intercommunication of connecting seat 3, connecting seat 3 are located between valve ball moving pipeline 2 and the liquid outlet 102, and valve ball moving pipeline 2's the other end can be dismantled through first bolt 6 and be connected with valve gap 5, and the top of valve gap 5 and the one end intercommunication of return bend 4, and the other end of return bend 4 passes through second bolt 7 fixed connection on connecting seat 3. The joints of the valve cover 5 and the valve ball moving pipeline 2 and the joints of the elbow 4 and the connecting seat 3 are provided with sealing gaskets, so that the sealing performance of the joints can be improved, the leakage of liquid flow is prevented, and meanwhile, the pressure in the valve body 1 is prevented from being always the same as the atmospheric pressure. And through bolted connection's part, all placed the packing ring between bolt head bottom and connecting piece terminal surface, can protect like this not receive the bolt head scotch by the surface of connecting piece, the pressure of dispersion bolt head to the connecting piece.
A Venturi structure 103 is arranged on the inner wall of the valve body 1, and the Venturi structure 103 is positioned between the valve ball moving pipeline 2 and the connecting seat 3; the valve ball 8 is positioned in the valve body 1, the diameter of the valve ball 8 is larger than the inner diameter of the valve body 1, and the diameter of the valve ball 8 is smaller than the inner diameter of the valve ball moving pipeline 2, so that the valve ball 8 can only move up and down along the valve ball moving pipeline 2. An annular groove 104 is formed in the valve body 1, the annular groove 104 is located at the joint of the valve body 1 and the valve ball moving pipeline 2, the annular groove 104 is close to the liquid inlet 101, and an O-shaped sealing ring 9 is embedded in the annular groove 104, so that backflow of liquid flow can be better prevented. The valve ball 8 is made of rubber, so that the valve body 1 can be prevented from being accidentally injured by the valve ball 8 in the moving process, and the valve ball 8 can move up and down under the action of buoyancy. The outer wall of the valve body 1 is provided with arrow-shaped markers 11, which prevent the operator from mounting the check valve upside down.
The all outside of valve body 1 is provided with alarm device 11, alarm device 11 includes mercury switch K, power U, warning light L, mercury switch K is parallel with valve body 1's axis, power U's positive pole passes through the wire and links to each other with one utmost point of mercury switch K, another utmost point of mercury switch K passes through the wire and links to each other with one utmost point of warning light L, another utmost point of warning light L passes through the wire and links to each other with power U's negative pole, in the installation, if the angle of inclination of this check valve and horizontal plane exceeds certain scope, mercury switch K in the alarm device 11 will switch on, warning light L will light under power U's the power supply, indicate, can be when installing this check valve like this, ensure this valve body 1 in the installation, the angle of slope is in certain within range, leakproofness when guaranteeing valve body 1 non return.
During the use, when the pipeline was opened, the valve ball 8 will rise along valve ball moving tube way 2 under the buoyancy of liquid stream, and the liquid stream continues to flow forward, will produce negative pressure zone 10 when the venturi structure 103, and the one end and the negative pressure zone 10 intercommunication of return bend 4, then can produce suction to the valve ball 8 in the valve ball moving tube way 2 through return bend 4 for the rising of valve ball 8, thereby the faster of pipeline switch-on. When the pipeline was closed, valve ball 8 can descend along valve ball removal pipeline 2 under the action of self gravity, and meanwhile, the liquid stream of backward flow will flow to valve ball removal pipeline 2 through return bend 4, applys pressure to valve ball 8 in it for the decline of valve ball 8 plugs up valve body 1, alleviates the destruction of water hammer wave to pipe-line system and valve.
The above; but are merely preferred embodiments of the present application; the scope of protection of the present application is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the application are equally replaced or changed; are intended to be covered by the scope of the present application.
Claims (8)
1. A ball-type check valve with sensitive reaction is characterized by comprising a valve body (1), a valve ball moving pipeline (2), a connecting seat (3), a bent pipe (4), a first bolt (6), a second bolt (7) and a valve ball (8);
the valve body (1) is a hollow pipeline, the valve body (1) comprises a liquid inlet (101) and a liquid outlet (102), and the liquid inlet (101) and the liquid outlet (102) are both provided with internal threads;
one end of the valve ball moving pipeline (2) is communicated with the valve body (1), one end of the connecting seat (3) is communicated with the valve body (1), and the connecting seat (3) is positioned between the valve ball moving pipeline (2) and the liquid outlet (102);
the other end of the valve ball moving pipeline (2) is detachably connected with a valve cover (5) through a first bolt (6), the top end of the valve cover (5) is communicated with one end of the elbow (4), and the other end of the elbow (4) is fixedly connected onto the connecting seat (3) through a second bolt (7);
a Venturi structure (103) is arranged on the inner wall of the valve body (1), and the Venturi structure (103) is positioned between the valve ball moving pipeline (2) and the connecting seat (3);
the valve ball (8) is positioned in the valve body (1), the diameter of the valve ball (8) is larger than that of the valve body (1), and the diameter of the valve ball (8) is smaller than that of the valve ball moving pipeline (2).
2. A responsive ball check valve as claimed in claim 1, wherein the ball moving passage (2) forms an acute angle of 45 degrees with the valve body (1).
3. The ball-type check valve with sensitive reaction according to claim 1, wherein the joint of the valve cover (5) and the valve ball moving pipeline (2) and the joint of the elbow (4) and the connecting seat (3) are provided with sealing gaskets.
4. The ball check valve with response sensitivity of claim 1, wherein washers are disposed between the bottom end of the bolt head and the end surface of the connecting member through the parts connected by the bolts.
5. The ball type check valve with the sensitive reaction according to claim 1, characterized in that an annular groove (104) is formed in the valve body (1), the annular groove (104) is positioned at the joint of the valve body (1) and the valve ball moving pipeline (2), the annular groove (104) is close to the liquid inlet (101), and an O-shaped sealing ring (9) is embedded in the annular groove (104).
6. A responsive ball check valve as claimed in claim 1, wherein the valve ball (8) is made of rubber.
7. The ball type check valve with the sensitive reaction according to claim 1, wherein the outer circumference of the valve body (1) is provided with an alarm device (11).
8. The ball-type check valve with the sensitive reaction according to claim 7 is characterized in that the alarm device (11) comprises a mercury switch K, a power supply U and an alarm lamp L, wherein the mercury switch K is parallel to the axis of the valve body (1), the anode of the power supply U is connected with one pole of the mercury switch K through a lead, the other pole of the mercury switch K is connected with one pole of the alarm lamp L through a lead, and the other pole of the alarm lamp L is connected with the cathode of the power supply U through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038173.4A CN112128434A (en) | 2020-09-28 | 2020-09-28 | Ball-type check valve with sensitive reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038173.4A CN112128434A (en) | 2020-09-28 | 2020-09-28 | Ball-type check valve with sensitive reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128434A true CN112128434A (en) | 2020-12-25 |
Family
ID=73840365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038173.4A Withdrawn CN112128434A (en) | 2020-09-28 | 2020-09-28 | Ball-type check valve with sensitive reaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112128434A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2222230A (en) * | 1988-08-23 | 1990-02-28 | Score | A pipeline check valve |
| CN1590818A (en) * | 2003-08-28 | 2005-03-09 | 株式会社开滋 | Check ball valve and water draining controller using valve |
| CN203656283U (en) * | 2014-01-21 | 2014-06-18 | 凯尔特阀门有限公司 | Non-wear ball check valve |
| CN105135006A (en) * | 2015-08-21 | 2015-12-09 | 杭州水利水电勘测设计院有限公司 | Novel device for closure of small pump station |
| CN208331349U (en) * | 2018-06-07 | 2019-01-04 | 上海中韩易捷特阀门有限公司 | A kind of ball check valve and pipe-line system |
-
2020
- 2020-09-28 CN CN202011038173.4A patent/CN112128434A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2222230A (en) * | 1988-08-23 | 1990-02-28 | Score | A pipeline check valve |
| CN1590818A (en) * | 2003-08-28 | 2005-03-09 | 株式会社开滋 | Check ball valve and water draining controller using valve |
| CN203656283U (en) * | 2014-01-21 | 2014-06-18 | 凯尔特阀门有限公司 | Non-wear ball check valve |
| CN105135006A (en) * | 2015-08-21 | 2015-12-09 | 杭州水利水电勘测设计院有限公司 | Novel device for closure of small pump station |
| CN208331349U (en) * | 2018-06-07 | 2019-01-04 | 上海中韩易捷特阀门有限公司 | A kind of ball check valve and pipe-line system |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201225 |
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| WW01 | Invention patent application withdrawn after publication |