CN208397428U - A kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve - Google Patents
A kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve Download PDFInfo
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- CN208397428U CN208397428U CN201820999740.4U CN201820999740U CN208397428U CN 208397428 U CN208397428 U CN 208397428U CN 201820999740 U CN201820999740 U CN 201820999740U CN 208397428 U CN208397428 U CN 208397428U
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- valve
- valve rod
- shaft sleeve
- butterfly
- dust
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Abstract
The utility model discloses a kind of dust protected valve rods to exempt from locking three-eccentric-butterfly-valve, including valve body (5), valve rod (1) and valve board assembly (4)；The valve rod (1) is rotatably penetrated and arranged in the valve body (5), and the three-eccentric-butterfly-valve further includes having a Upper shaft sleeve (2) and a Lower shaft sleeve (2.1)；The Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) are sheathed on the outer surface of the valve rod (1) and are respectively positioned between the valve body (5) and the valve rod (1)；It is characterized in that, respectively installing a dust-proof sealing structure additional in two axle sleeve inner ends that valve rod (1) passes through valve body (5).Solve the problems, such as that three-eccentric-butterfly-valve valve rod does not have dustproof construction to lead to valve rod and axle sleeve locking.
Description
Technical field
The utility model relates to butterfly valve technical field more particularly to a kind of three-eccentric-butterfly-valve, specifically a kind of dust protected valve
Bar exempts from locking three-eccentric-butterfly-valve.
Background technique
Three-eccentric-butterfly-valve is one kind of butterfly valve, mainly has and connects or the medium in pipeline is truncated and adjusts the work of flow
With being widely used in the pipe network of the industries such as metallurgy, mine, petrochemical industry, nuclear power.
The valve rod and axle sleeve of existing three-eccentric-butterfly-valve are not provided with dustproof construction.Contain dust, particle when encountering working media
Or may coking fluid when be easy to cause valve rod and axle sleeve to generate card resistance, and then locking causes valve to be failure to actuate, and damages simultaneously
Bearing causes service life short.Entire process flow is influenced, is led to the problem of various.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the utility model provides a kind of dust protected valve rod and exempts from locking three eccentricity butterfly
Valve solves the problems, such as that three-eccentric-butterfly-valve valve rod does not have dustproof construction to lead to valve rod and axle sleeve locking.
The utility model is realized with following technical solution: a kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve, including
Valve body (5), valve rod (1) and valve board assembly (4)；The valve rod (1) is rotatably penetrated and arranged in the valve body (5), and described three partially
Heart butterfly valve further includes having a Upper shaft sleeve (2) and a Lower shaft sleeve (2.1)；The Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) are sheathed on
It the outer surface of the valve rod (1) and is respectively positioned between the valve body (5) and the valve rod (1), passes through valve body (5) in valve rod (1)
Two axle sleeve inner ends respectively install a dust-proof sealing structure additional.
The dust-proof sealing structure includes be located at Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) and valve rod (1) faying face interior
The inside groove of end face annulate shaft set and the dust-proof seal ring (3) being mounted in axle sleeve inside groove.
Further, inside groove and the dust-proof seal ring being mounted in inside groove (3) in the Upper shaft sleeve (2), are arranged in institute
State Upper shaft sleeve (2) lower end inner surface and concentric with valve rod (1) and in valve rod (1) periphery, in the Lower shaft sleeve (2.1) inside groove and
The dust-proof seal ring (3) being mounted in inside groove, setting the Lower shaft sleeve (2.1) upper end inner surface and with valve rod (1) it is concentric
And it is in valve rod (1) periphery.
Preferably, the dust-proof seal ring (3) is rubber ring.
It has the advantages that compared with prior art
A) dust-proof sealing structure is respectively installed additional by two axle sleeve inner ends for passing through valve body (5) in valve rod (1), avoid fluid
Dust or particle in medium enter valve rod top or lower part, avoid valve rod locking；
B) improved structure can make three-eccentric-butterfly-valve flexible movements, reduce valve torque, and movement is avoided to fail, enhancing
Life of valve.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention.
Fig. 1 is the utility model structure diagram.
Fig. 2 is enlarged drawing at the utility model A.
Fig. 3 is enlarged drawing at the utility model B.
In figure: 1- valve rod, 2- Upper shaft sleeve (2), 2.1- Lower shaft sleeve, 3- dust-proof seal ring, 4- valve board assembly, 5- valve body.
Specific embodiment
Further explanation is made to the utility model with reference to the accompanying drawing, the utility model embodiment includes but is not limited to
The following example.
As shown in Figures 1 to 3, the utility model provides a kind of dust protected valve rod and exempts from locking three-eccentric-butterfly-valve, including valve body
(5), valve rod (1) and valve board assembly (4)；The valve rod (1) is rotatably penetrated and arranged in the valve body (5), the three eccentricity butterfly
Valve further includes having a Upper shaft sleeve (2) and a Lower shaft sleeve (2.1)；The Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) are sheathed on described
It the outer surface of valve rod (1) and is respectively positioned between the valve body (5) and the valve rod (1)；The two of valve body (5) are passed through in valve rod (1)
A axle sleeve inner end respectively installs a dust-proof sealing structure additional.
The dust-proof sealing structure includes be located at Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) and valve rod (1) faying face interior
The inside groove of end face annulate shaft set and the dust-proof seal ring (3) being mounted in axle sleeve inside groove.It inside groove and is mounted in the Upper shaft sleeve (2)
Dust-proof seal ring (3) in inside groove, setting the Upper shaft sleeve (2) lower end inner surface and with valve rod (1) it is concentric and in valve
Bar (1) periphery, inside groove and the dust-proof seal ring being mounted in inside groove (3) in the Lower shaft sleeve (2.1), is arranged in the lower axle
Cover (2.1) upper end inner surface and concentric with valve rod (1) and in valve rod (1) periphery.The dust-proof seal ring (3) is preferably rubber
Circle.
When work, drives valve board assembly (4) to make rotating motion by executing agency's driving stem (1) and realize that the opening and closing of valve is dynamic
Make.It excavates inside groove due to valve rod (1) and the matching piece axle sleeve interior lower end of axle sleeve rotary motion and is installed in axle sleeve inside groove again and prevent
Dirt sealing ring (3) avoids dust or particle in fluid media (medium) from entering valve rod top or lower part, avoids valve rod locking, realizes this
Purpose.
Claims (4)
1. a kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve, including valve body (5), valve rod (1) and valve board assembly (4), the valve
Bar (1) is rotatably penetrated and arranged in the valve body (5), and the three-eccentric-butterfly-valve further includes having a Upper shaft sleeve (2) and a Lower shaft sleeve
(2.1)；The Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) are sheathed on the outer surface of the valve rod (1) and are respectively positioned on the valve body
(5) between the valve rod (1), which is characterized in that it is anti-respectively to install one additional in two axle sleeve inner ends that valve rod (1) passes through valve body (5)
Dirt sealing structure.
2. a kind of dust protected valve rod according to claim 1 exempts from locking three-eccentric-butterfly-valve, which is characterized in that described is dust-proof
Sealing structure include be located at the inner face annulate shaft set of Upper shaft sleeve (2) and a Lower shaft sleeve (2.1) and valve rod (1) faying face inside groove and
The dust-proof seal ring (3) being mounted in axle sleeve inside groove.
3. a kind of dust protected valve rod according to claim 2 exempts from locking three-eccentric-butterfly-valve, which is characterized in that the Upper shaft sleeve
(2) inside groove and the dust-proof seal ring being mounted in inside groove (3) in, are arranged in the Upper shaft sleeve (2) lower end inner surface and and valve
Bar (1) is concentric and is in valve rod (1) periphery, inside groove and the dust-proof seal ring being mounted in inside groove in the Lower shaft sleeve (2.1)
(3), setting the Lower shaft sleeve (2.1) upper end inner surface and with valve rod (1) it is concentric and in valve rod (1) periphery.
4. a kind of dust protected valve rod according to claim 2 or 3 exempts from locking three-eccentric-butterfly-valve, which is characterized in that described anti-
Dirt sealing ring (3) is rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999740.4U CN208397428U (en) | 2018-06-27 | 2018-06-27 | A kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999740.4U CN208397428U (en) | 2018-06-27 | 2018-06-27 | A kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397428U true CN208397428U (en) | 2019-01-18 |
Family
ID=65133517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820999740.4U Active CN208397428U (en) | 2018-06-27 | 2018-06-27 | A kind of dust protected valve rod exempts from locking three-eccentric-butterfly-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397428U (en) |
-
2018
- 2018-06-27 CN CN201820999740.4U patent/CN208397428U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200131 Address after: 221007 Meigang Road, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Chemical Machinery Co Ltd Address before: 221121 No. 2 Anda Road, Xuzhou Economic and Technological Development Zone (Damiao), Xuzhou City, Jiangsu Province Patentee before: SUZHOU ARCA CONTROL VALVE CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200529 Address after: 221001 No. 2, anda Road, Xuzhou Economic and Technological Development Zone (Damiao), Xuzhou City, Jiangsu Province Patentee after: Xuzhou Helishi Valve Technology Co.,Ltd. Address before: 221007 Meigang Road, Xuzhou City, Jiangsu Province Patentee before: XUZHOU CHEMICAL MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |