CN208859004U - A kind of ball check valve - Google Patents
A kind of ball check valve Download PDFInfo
- Publication number
- CN208859004U CN208859004U CN201821487253.6U CN201821487253U CN208859004U CN 208859004 U CN208859004 U CN 208859004U CN 201821487253 U CN201821487253 U CN 201821487253U CN 208859004 U CN208859004 U CN 208859004U
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- CN
- China
- Prior art keywords
- valve body
- counterflow
- ball
- slide bar
- preventing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of ball check valves, including valve body, first counterflow-preventing ball and slide bar, it is characterized in that, the valve body is hollow shell, the valve interior wall is fixedly installed with slide bar, the slide bar surface is arranged with spring arrangement, the spring arrangement end thereof contacts prevent the first adverse current ball, the first counterflow-preventing ball is slidably connected slide bar, this check-valves is for preventing liquid countercurrent, liquid enters from the inlet of valve body, liquid is to the first counterflow-preventing ball applied force, the first counterflow-preventing ball is slidably connected slide bar, and first counterflow-preventing ball along slide bar slide into valve body storage storehouse along, the spring arrangement plays the role of buffering at this time, prevent the first counterflow-preventing ball and valve body sharp impacts, so that check-valves damages, liquid is to the second counterflow-preventing ball applied force later, so that the second counterflow-preventing ball slides at the top of slide bar a, liquid from The liquid outlet of valve body a comes out, this check valve structure is reasonable, possesses the function of dual counterflow-preventing, and suitable society is widely used.
Description
Technical field
The utility model relates to a kind of check-valves, specifically a kind of ball check valve.
Background technique
Check-valves refers to opening and closing element for round flap and by own wt and pressure medium generation movement to block medium to fall
A kind of valve of stream, belongs to automatic valve class, and also known as non-return valve, check valve, return valve or isolating valve, flap motion mode is divided into lifting
Formula and swing type.Lift check valve is similar with stop valve structure, only lack drive flap valve rod, medium from input end (under
Side) it flows into, it is flowed out from outlet end (upside).When inlet pressure is greater than the sum of flap weight and its flow resistance, valve is opened
It opens.
Ball check valve is a kind of common check-valves, but traditional ball check valve designs unreasonable, counterflow-preventing energy
Power is bad.Therefore, those skilled in the art provide a kind of ball check valve, to solve mentioned above in the background art ask
Topic.
Summary of the invention
The purpose of this utility model is to provide a kind of ball check valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of ball check valve, including valve body, the first counterflow-preventing ball and slide bar, the valve body are hollow shell, the valve
Internal wall is fixedly installed with slide bar, and the slide bar surface is arranged with spring arrangement, and the spring arrangement end thereof contacts anti-first are inverse
Ball is flowed, the first counterflow-preventing ball is slidably connected slide bar；
Valve body upper and lower ends surface offers threaded hole, and the valve body is bolted to connection valve body a, described
Valve body a is hollow structure, and the valve body a inner wall is fixedly connected with support rod, and the support rod surface connects slide bar a, the slide bar a
Stretch out valve body a, the slide bar a is slidably connected the second counterflow-preventing ball, the second counterflow-preventing ball setting with outside valve body a, it is described
It is symmetrically installed with link block at left and right sides of the upper end valve body a, is inlaid with thread barrel on the link block.
As a further solution of the present invention: the valve body a upper end face passes through screw fixed connection and sealing baffle,
The sealing baffle surface is fixedly installed several rubber strips.
The sealing baffle is hollow rotary table as a further solution of the present invention, and the sealing baffle is set
Inlet and outlet are equipped with, and one end that sealing baffle is open small is contacted with valve body a.
As a further solution of the present invention, the rubber strip be annular shape, the rubber strip edge with it is close
Block plate is vertically arranged, and spaced set has several rubber strips to sealing baffle from top to bottom.
The valve body is provided with inlet and liquid outlet as a further solution of the present invention, the valve body into
It is provided with limiting groove at the upper side of liquid mouth, limiting groove right opposite is provided with accommodating groove.
The radian of the valve body upper limit groove and the first counterflow-preventing ball as a further solution of the present invention,
Radian is identical, and the size of accommodating groove is greater than the size of the first counterflow-preventing ball on the valve body.
Compared with prior art, the utility model has the beneficial effects that
1, this check-valves is for preventing liquid countercurrent, and liquid enters from the inlet of valve body, and liquid is to the first counterflow-preventing ball
Applied force, the first counterflow-preventing ball are slidably connected slide bar, and the first counterflow-preventing ball is along the storage storehouse that slide bar slides into valve body, this
Shi Suoshu spring arrangement plays the role of buffering, prevents the first counterflow-preventing ball and valve body sharp impacts, so that check-valves damages
Bad, liquid is to the second counterflow-preventing ball applied force later, so that the second counterflow-preventing ball slides at the top of slide bar a, liquid goes out from valve body a's
Liquid mouth comes out.
2, when adverse current occurs for liquid, second valve for preventing reverse-flow blocks the liquid outlet of valve body a, and the rubber strip is therewith
Deformation occurs, guarantees the leakproofness between the second counterflow-preventing ball and sealing baffle, and the first counterflow-preventing ball slides by gravity
To the inlet of valve body, secondary counterflow-preventing is carried out, this check valve structure is reasonable, possesses the function of dual counterflow-preventing, is suitble to society
It can be widely used.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ball check valve.
Fig. 2 is a kind of partial structurtes enlarged drawing of ball check valve.
In figure: 1- valve body, the first counterflow-preventing of 2- ball, 3- slide bar, 4- spring arrangement, 5- bolt, 6- support rod, 7- slide bar a,
The second counterflow-preventing of 8- ball, 9- limited block, 10- valve body a, 11- link block, 101- sealing baffle, 103- rubber strip.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of ball check valve, including valve body 1, the first counterflow-preventing ball
2 and slide bar 3, the valve body 1 is hollow shell, and 1 inner wall of valve body is fixedly installed with slide bar 3, and 3 surface of slide bar is arranged with
Spring arrangement 4,4 end thereof contacts of spring arrangement prevent the first adverse current ball 2, and the first counterflow-preventing ball 2 is slidably connected slide bar 3；
The 1 upper and lower ends surface of valve body offers threaded hole, and the valve body 1 is fixedly connected with valve body by bolt 5
A10, the valve body a10 are hollow structure, and the valve body a10 inner wall is fixedly connected with support rod 6,6 surface of the support rod connection
Slide bar a7, the slide bar a7 stretch out valve body a10, and the slide bar a7 is slidably connected the second counterflow-preventing ball 8, the second counterflow-preventing ball
8 settings are symmetrically installed with link block 11 at left and right sides of the upper end the valve body a10, inlay on the link block 11 with outside valve body a10
Embedded with thread barrel.
For the valve body a10 upper end face by screw fixed connection and sealing baffle 101,101 surface of sealing baffle is solid
Surely several rubber strips 103 are provided with.
The sealing baffle 101 is hollow rotary table, and the sealing baffle 101 is provided with inlet and outlet, and close
One end that block plate 101 is open small is contacted with valve body a10.
The rubber strip 103 is annular shape, and 103 edge of rubber strip is vertically arranged with sealing baffle 101, and is sealed
Spaced set has several rubber strips 103 to baffle 101 from top to bottom.
The valve body 1 is provided with inlet and liquid outlet, is provided with limiting groove at the upper side of 1 inlet of valve body,
Limiting groove right opposite is provided with accommodating groove.
The radian of the 1 upper limit groove of valve body is identical as the radian of the first counterflow-preventing ball 2, accommodating groove on the valve body 1
Size be greater than the first counterflow-preventing ball 2 size.
The working principle of the utility model is:
This check-valves is for preventing liquid countercurrent, and liquid enters from the inlet of valve body 1, and liquid is to the first counterflow-preventing ball 2
Applied force, the first counterflow-preventing ball 2 are slidably connected slide bar 3, and the first counterflow-preventing ball slides into the storage storehouse of valve body 1 along slide bar 3
Interior, the spring arrangement 4 plays the role of buffering at this time, prevents the first counterflow-preventing ball 2 and 1 sharp impacts of valve body, so that
Check-valves damage, liquid is to 8 applied force of the second counterflow-preventing ball later, so that the second counterflow-preventing ball 8 slides at the top of slide bar a7, liquid
It is come out from the liquid outlet of valve body a10, when adverse current occurs for liquid, second valve for preventing reverse-flow blocks the liquid outlet of valve body a10,
Deformation occurs therewith for the rubber strip 103, the leakproofness between the second counterflow-preventing ball 8 of guarantee and sealing baffle 101, and described first
Counterflow-preventing ball 2 slides by gravity to the inlet of valve body 1, carries out secondary counterflow-preventing, this check valve structure is reasonable, possesses double
The function of weight counterflow-preventing, suitable society are widely used.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of ball check valve, including valve body, the first counterflow-preventing ball and slide bar, which is characterized in that the valve body is hollow shell
Body, the valve interior wall are fixedly installed with slide bar, and the slide bar surface is arranged with spring arrangement, the spring arrangement end thereof contacts
Anti- first adverse current ball, the first counterflow-preventing ball are slidably connected slide bar；
Valve body upper and lower ends surface offers threaded hole, and the valve body is bolted to connection valve body a, the valve body
A is hollow structure, and the valve body a inner wall is fixedly connected with support rod, and the support rod surface connects slide bar a, and the slide bar a stretches out
Valve body a, the slide bar a are slidably connected the second counterflow-preventing ball, the second counterflow-preventing ball setting with outside valve body a, the valve body a
It is symmetrically installed with link block at left and right sides of upper end, is inlaid with thread barrel on the link block.
2. a kind of ball check valve according to claim 1, which is characterized in that the valve body a upper end face passes through screw
Fixed connection and sealing baffle, the sealing baffle surface are fixedly installed several rubber strips.
3. a kind of ball check valve according to claim 2, which is characterized in that the sealing baffle is hollow rotary table,
The sealing baffle is provided with inlet and outlet, and one end that sealing baffle is open small is contacted with valve body a.
4. a kind of ball check valve according to claim 2, which is characterized in that the rubber strip is annular shape, the rubber
Adhesive tape edge is vertically arranged with sealing baffle, and spaced set has several rubber strips to sealing baffle from top to bottom.
5. a kind of ball check valve according to claim 1, which is characterized in that the valve body is provided with inlet and out liquid
Mouthful, it is provided with limiting groove at the upper side of the valve body inlet, limiting groove right opposite is provided with accommodating groove.
6. a kind of ball check valve according to claim 1, which is characterized in that the radian of the valve body upper limit groove with
The radian of first counterflow-preventing ball is identical, and the size of accommodating groove is greater than the size of the first counterflow-preventing ball on the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487253.6U CN208859004U (en) | 2018-09-12 | 2018-09-12 | A kind of ball check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487253.6U CN208859004U (en) | 2018-09-12 | 2018-09-12 | A kind of ball check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208859004U true CN208859004U (en) | 2019-05-14 |
Family
ID=66417576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821487253.6U Active CN208859004U (en) | 2018-09-12 | 2018-09-12 | A kind of ball check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208859004U (en) |
-
2018
- 2018-09-12 CN CN201821487253.6U patent/CN208859004U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |