CN209705321U - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN209705321U CN209705321U CN201920476316.6U CN201920476316U CN209705321U CN 209705321 U CN209705321 U CN 209705321U CN 201920476316 U CN201920476316 U CN 201920476316U CN 209705321 U CN209705321 U CN 209705321U
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- valve
- rod
- valve seat
- annular air
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Abstract
The utility model relates to a kind of ball valves characterized by comprising valve body, spool, valve deck, upper valve rod, annular air-pocket, slip ring, the first valve seat, the second valve seat, lower valve rod and the second sealing ring.The utility model is by the way that annular air-pocket to be mounted in mounting groove, and slip ring is sealed by the first sealing ring, and structure is simple, easy for installation, is conveniently replaceable the components such as annular air-pocket and slip ring;The soft seal of first valve seat is combined with the hard sealing of the second valve seat, is enhanced whole airtightness, is reduced the abrasion of hard seal valve seat and valve core chamber;The situation of inner annular air bag can be observed on the outside of valve body using instruction cylinder, it is simple and convenient.
Description
Technical field
The utility model relates to a kind of ball valves.
Background technique
In pipeline dust, can be accelerated using the ball valve rate of wear sealed firmly, this is because the particles such as dust into
Enter between spool and valve seat, has caused spool and the prooving of valve seat, rotatory force when causing poorly sealed, service life decline and reversing valve rod
The problems such as square increases.
Utility model content
The utility model aims to solve the problem that the above problem, provides a kind of ball valve, solves the spool and valve sealed firmly
Seat abrasion causes service life decline and poorly sealed problem, solve the problems, such as from outside can not from annular air-pocket.
A kind of ball valve characterized by comprising valve body, spool, valve deck, upper valve rod, annular air-pocket, slip ring,
One valve seat, the second valve seat, lower valve rod and the second sealing ring, the spool are solid with upper valve rod above valve inner, the spool
It connects, affixed with lower valve rod below the spool, the lower valve rod and valve body are rotatablely connected, detachable with valve deck above the valve body
Connection, the upper valve rod and valve deck are rotatablely connected, and mounting groove, the annular gas are respectively formed on the valve body of the spool two sides
Capsule is mounted in mounting groove, and the slip ring is placed in mounting groove and is slidably connected with mounting groove, the annular air-pocket side
It being contacted with the valve body contact other side with slip ring, the slip ring and the first valve seat are affixed, first valve seat and valve body contact,
The slip ring and the second valve seat are affixed, and second valve seat and the second sealing ring are affixed, and second sealing ring connects with valve body
Touching.
Preferably, the annular air-pocket and valve inside are affixed, and the valve inside passes through valve body.
It preferably, further include instruction cylinder, the instruction cylinder includes cylinder body, piston, piston rod and spring, the cylinder body
Affixed with annular air-pocket across valve body, the piston is slidably connected in cylinder interior and with cylinder body, and the piston and piston rod are solid
It connects, the piston rod is slidably connected with cylinder body, and the piston rod outer sheath is equipped with spring, and the spring one end and piston contact are another
One end is contacted with cylinder body.
Preferably, the piston rod surface indicates scale.
Preferably, the slip ring is equipped with the first sealing ring, and first sealing ring is contacted with mounting groove inner wall.
Preferably, the upper valve rod is formed with main gas blow pipe and divides gas blow pipe, and the main gas blow pipe is connected with gas blow pipe is divided
Logical, the upper valve rod is equipped with check valve, and the main gas blow pipe is connected with check valve.
The utility model has the advantages that by the way that annular air-pocket to be mounted in mounting groove, slip ring is close by first
Seal is sealed, and structure is simple, easy for installation, is conveniently replaceable the components such as annular air-pocket and slip ring;First valve seat it is soft close
It seals and is combined with the hard sealing of the second valve seat, enhance whole airtightness, reduce the abrasion of hard seal valve seat and valve core chamber;
The situation of inner annular air bag can be observed on the outside of valve body using instruction cylinder, it is simple and convenient.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is an embodiment of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be extended according to the attached drawing of offer and obtain other implementation attached drawings.
Fig. 1: the schematic cross-sectional view of the utility model;
Fig. 2: the partial enlargement structural representation of the utility model;
Specific embodiment
The utility model is described in further detail with example with reference to the accompanying drawing:
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one:
As depicted in figs. 1 and 2, a kind of ball valve is present embodiments provided characterized by comprising valve body 1, spool
2, valve deck 3, upper valve rod 4, annular air-pocket 5, slip ring 6, the first valve seat 7, the second valve seat 8, lower valve rod 10 and the second sealing ring 81,
For the spool 2 inside valve body 1,2 top of spool is affixed with upper valve rod 4, and 2 lower section of spool is affixed with lower valve rod 10,
The lower valve rod 10 is rotatablely connected with valve body 1, and 1 top of valve body is detachably connected with valve deck 3, the upper valve rod 4 and valve deck 3
It is rotatablely connected, is respectively formed with mounting groove 11 on the valve body 1 of 2 two sides of spool, the annular air-pocket 5 is mounted on mounting groove 11
Interior, the slip ring 6 is placed in mounting groove 11 and is slidably connected with mounting groove 11, and 5 side of annular air-pocket connects with valve body 1
The touching other side is contacted with slip ring 6, and the slip ring 6 and the first valve seat 7 are affixed, and first valve seat 7 is contacted with valve body 1, institute
It states slip ring 6 and the second valve seat 8 is affixed, second valve seat 8 and the second sealing ring 81 are affixed, second sealing ring 81 and valve
Body 1 contacts.
Preferably, the annular air-pocket 5 and valve inside 51 are affixed, and the valve inside 51 passes through valve body 1.
It preferably, further include instruction cylinder, the instruction cylinder includes cylinder body 52, piston 53, piston rod 54 and spring 55,
The cylinder body 52 passes through valve body 1 and annular air-pocket 5 is affixed, and the piston 53 is slidably connected in 52 inside of cylinder body and with cylinder body 52,
The piston 53 and piston rod 54 are affixed, and the piston rod 54 is slidably connected with cylinder body 52, and 54 outer sheath of piston rod is equipped with
Spring 55, described 55 one end of spring contact the other end with piston 53 and contact with cylinder body 52.
Preferably, 54 surface of piston rod indicates scale.
Preferably, the slip ring 6 is equipped with the first sealing ring 61, and first sealing ring 61 connects with 11 inner wall of mounting groove
Touching.
Preferably, the upper valve rod 4 is formed with main gas blow pipe 41 and divides gas blow pipe 42, the main gas blow pipe 41 and a point air blowing
Pipe 42 is connected, and the upper valve rod 4 is equipped with check valve 9, and the main gas blow pipe 41 is connected with check valve 9.
Working principle: when the present apparatus is assembled, first annular air-pocket 5 and slip ring 6 are sequentially placed into mounting groove 11, at this time ring
5 unaerated of shape air bag.Spool 2 is installed, then valve deck 3 is installed.
After completing assembly, inflated through valve inside 51 into annular air-pocket 5 using equipment such as inflator or air compressor machines.Due to
Valve body 1 is made of metal, from outside by vision and tactile, does not observe the inflating condition of 1 inner annular air bag 5 of valve body.Institute
It is marked with scale or color with piston rod 54, staff can observe piston rod 54 and expose 52 length of cylinder body to judge annular gas
The inflating condition of capsule 5, simple, intuitive.If piston rod 54 is followed successively by green, yellow and red from outside to inside, only green is exposed and is said
The lower value of the air pressure of bright annular air-pocket 5 in the reasonable scope;Expose yellow and green, illustrates that the air pressure of annular air-pocket 5 is being closed
Manage the high value in range;Expose red, yellow and green, illustrates that the air pressure of annular air-pocket 5 is excessively high.Wherein indicate cylinder and gas
Door core 51 is all connected with instruction cylinder.And indicating that cylinder and valve inside 51 can also play makes annular air-pocket 5 with respect to valve body 1
The fixed effect in position.The present apparatus can be by the air pressure size regulating valve seat in annular air-pocket 5 to the pressing force of spool 2 and close
Feng Xing.
Using the second sealing ring 81 of the second valve seat 8 and 2 soft seal of spool, soft seal leakproofness is higher than hard close the present apparatus
Envelope, reduces the dust and solid particle for sealing entrance between the first valve seat 7 and spool 2 firmly, prevents the first valve seat 7 and spool 2
Damage, soft seal and hard sealing combine, and enhance the leakproofness of present apparatus totality.
When needing to remove the dust between valve seat and spool 2, it is only necessary to deflate, make in annular air-pocket 5 from valve inside 51
The gentle drops of gas, and then make to exist between valve seat and spool 2 compared with big gap.Then using air compressor machine or inflator from unidirectional
Valve 9 inputs compressed air, brushes valve seat and 2 surface of spool, blows away the dust and particle between valve seat and spool 2.
The utility model is illustrated by way of example above, but the utility model is not limited to above-mentioned specific implementation
Example, all ranges that the requires of the utility model protection is belonged to based on any changes or modifications that the utility model is done.
Claims (6)
1. a kind of ball valve characterized by comprising valve body (1), spool (2), valve deck (3), upper valve rod (4), annular air-pocket
(5), slip ring (6), the first valve seat (7), the second valve seat (8), lower valve rod (10) and the second sealing ring (81), the spool (2)
It is internal in valve body (1), it is affixed with upper valve rod (4) above the spool (2), it is affixed with lower valve rod (10) below the spool (2),
The lower valve rod (10) and valve body (1) are rotatablely connected, and are detachably connected above the valve body (1) with valve deck (3), the upper valve rod
(4) it is rotatablely connected with valve deck (3), is respectively formed with mounting groove (11), the annular on the valve body (1) of spool (2) two sides
Air bag (5) is mounted in mounting groove (11), and the slip ring (6), which is placed in mounting groove (11) and slides with mounting groove (11), to be connected
It connects, annular air-pocket (5) side and valve body (1) contact other side are contacted with slip ring (6), the slip ring (6) and first
Valve seat (7) is affixed, and first valve seat (7) contacts with valve body (1), and the slip ring (6) and the second valve seat (8) are affixed, described
Second valve seat (8) and the second sealing ring (81) are affixed, and second sealing ring (81) contacts with valve body (1).
2. a kind of ball valve as described in claim 1, it is characterised in that: the annular air-pocket (5) and valve inside (51) are solid
It connects, the valve inside (51) passes through valve body (1).
3. a kind of ball valve as described in claim 1, it is characterised in that: further include instruction cylinder, the instruction cylinder packet
Cylinder body (52), piston (53), piston rod (54) and spring (55) are included, the cylinder body (52) passes through valve body (1) and annular air-pocket (5)
Affixed, the piston (53) is internal in cylinder body (52) and is slidably connected with cylinder body (52), the piston (53) and piston rod (54)
Affixed, the piston rod (54) is slidably connected with cylinder body (52), and piston rod (54) outer sheath is equipped with spring (55), the bullet
Spring (55) one end and piston (53) contact other end are contacted with cylinder body (52).
4. a kind of ball valve as claimed in claim 3, it is characterised in that: piston rod (54) surface indicates scale.
5. a kind of ball valve as described in claim 1, it is characterised in that: the slip ring (6) is equipped with the first sealing ring
(61), first sealing ring (61) contacts with mounting groove (11) inner wall.
6. a kind of ball valve as described in claim 1, it is characterised in that: the upper valve rod (4) is formed with main gas blow pipe
(41) and divide gas blow pipe (42), the main gas blow pipe (41) is connected with gas blow pipe (42) is divided, and the upper valve rod (4) is equipped with list
To valve (9), the main gas blow pipe (41) is connected with check valve (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920476316.6U CN209705321U (en) | 2019-04-10 | 2019-04-10 | A kind of ball valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920476316.6U CN209705321U (en) | 2019-04-10 | 2019-04-10 | A kind of ball valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209705321U true CN209705321U (en) | 2019-11-29 |
Family
ID=68649297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920476316.6U Active CN209705321U (en) | 2019-04-10 | 2019-04-10 | A kind of ball valve |
Country Status (1)
Country | Link |
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CN (1) | CN209705321U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623137A (en) * | 2020-06-11 | 2020-09-04 | 精工阀门有限公司 | Quick-release sealing ball valve |
CN113236811A (en) * | 2021-04-30 | 2021-08-10 | 浙江联大锻压有限公司 | All-welded ball valve cover |
CN114935041A (en) * | 2022-05-25 | 2022-08-23 | 常州电站辅机股份有限公司 | Valve actuating mechanism for water hammer elimination compensation and working method thereof |
-
2019
- 2019-04-10 CN CN201920476316.6U patent/CN209705321U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623137A (en) * | 2020-06-11 | 2020-09-04 | 精工阀门有限公司 | Quick-release sealing ball valve |
CN113236811A (en) * | 2021-04-30 | 2021-08-10 | 浙江联大锻压有限公司 | All-welded ball valve cover |
CN114935041A (en) * | 2022-05-25 | 2022-08-23 | 常州电站辅机股份有限公司 | Valve actuating mechanism for water hammer elimination compensation and working method thereof |
CN114935041B (en) * | 2022-05-25 | 2023-10-31 | 常州电站辅机股份有限公司 | Valve actuating mechanism for water hammer elimination compensation and working method thereof |
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