CN205423859U - Last sealing device of butterfly valve - Google Patents
Last sealing device of butterfly valve Download PDFInfo
- Publication number
- CN205423859U CN205423859U CN201521070936.8U CN201521070936U CN205423859U CN 205423859 U CN205423859 U CN 205423859U CN 201521070936 U CN201521070936 U CN 201521070936U CN 205423859 U CN205423859 U CN 205423859U
- Authority
- CN
- China
- Prior art keywords
- valve body
- foundary weight
- sealing device
- valve
- shaped ring
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a last sealing device of butterfly valve, technical field is designed for the water valve in affiliated field, which comprises the following components: a valve body, the upper valve rod, a spindle sleeve, the support ring, the V -arrangement circle, the clamping ring, the foundary weight, a screw, the viewing aperture, turbine mechanism, the upper valve rod is vertical to be installed in the centre bore of valve body, it is equipped with the axle sleeve within a definite time to be located the bottom of upper valve rod and the hole of valve body, the V -arrangement snare lies in the top of axle sleeve on the upper valve rod, the foundary weight is installed to the top of V -arrangement circle, it is fixed to adopt the screw connection between foundary weight and the valve body, viewing aperture and turbine mechanism are installed to the top of valve body, it can accomplish sealing device's the maintenance and the change of service material to need not to remove turbine mechanism in the use, the utility model discloses a last sealing device of butterfly valve, the V -arrangement circle is not fragile, and the upper and lower orientation position adjustment of foundary weight can realize conveniently that the adjustment is convenient by rotatory screw.
Description
Technical field
This utility model relates to water valve design field, particularly relates to the upper sealing device of a kind of butterfly valve.
Background technology
Butterfly valve can be divided into flange form butterfly valve, wafer type butterfly valve, welding type butterfly valve according to connected mode.The sealing problem of butterfly valve is its extremely important problem that in use must solve, the upper sealing of butterfly valve is the common one in butterfly valve seal problem, the upper sealing device structure of traditional butterfly valve is complicated, typically require dismounting turbine mechanism during to the replacing of the maintenance of upper sealing device and service material just can complete, cannot be carried out on-line maintenance and repair and replacement material, carry out v shaped ring when sealing property adjusts to be easily damaged, therefore the maintenance of upper sealing device and the replacing of service material can be completed without removing turbine mechanism during designing a kind of use, v shaped ring is hardly damaged, the upper sealing device of the convenient butterfly valve of position adjustment of foundary weight is necessary.
Utility model content
The purpose of this utility model is contemplated to overcome the upper sealing device structure complexity of traditional butterfly valve, it is impossible to on-line maintenance, the defect that v shaped ring is easily damaged, devise the upper sealing device of a kind of butterfly valve, easy to maintenance, v shaped ring is hardly damaged, and the position adjustment of foundary weight is convenient.
Solve the technical problem that required by this utility model and can be achieved through the following technical solutions:
A kind of upper sealing device of butterfly valve, including valve body, upper valve rod, axle sleeve, described upper valve rod is vertically installed in the centre bore of described valve body, it is positioned between the bottom of described upper valve rod and the hole of described valve body equipped with described axle sleeve, also include support ring, v shaped ring, pressure ring, foundary weight, screw, observation panel, turbine mechanism, described v shaped ring is enclosed within the top being positioned at described axle sleeve on described upper valve rod, described v shaped ring be arranged above described foundary weight, described screw is used to be connected between described foundary weight with described valve body fixing, the top of described valve body is provided with described observation panel and described turbine mechanism.
Between described v shaped ring end face and described foundary weight, described pressure ring is installed.
Between bottom surface and the hole shoulder of described valve body of described v shaped ring, described support ring is installed.
Described foundary weight is the top sleeve with flange, and flange is drilled with through hole, and described foundary weight is i.e. fixed on described valve body by described screw through this hole.
Gap is left between the endoporus of described observation panel and described valve body.
Owing to have employed above technical scheme, this utility model has the advantage that
Use valve body, upper valve rod, axle sleeve, support ring, v shaped ring, pressure ring, foundary weight, screw, observation panel, turbine mechanism combines the upper sealing device of designed butterfly valve, between v shaped ring end face and foundary weight, pressure ring is installed, the top of v shaped ring is hardly damaged, between bottom surface and the hole shoulder of valve body of v shaped ring, support ring is installed, the bottom surface of v shaped ring is hardly damaged, foundary weight is the top sleeve with flange, through hole it is drilled with on flange, the above-below direction position adjustment of foundary weight can be conveniently realized by rotary screw, gap is left between observation panel and the endoporus of valve body, sealing problem still cannot be solved when adjusting screw in compression foundary weight, screw and v shaped ring can be removed, install between observation panel and valve body and add encapsulant to realize the upper sealing of butterfly valve, easy to adjust.
Accompanying drawing explanation
Fig. 1 is this utility model structure front-view schematic diagram；
Fig. 2 is that this utility model structure right side regards schematic diagram；
In figure each assembly and reference be respectively as follows: 1, valve body；2, upper valve rod；3, axle sleeve；4, support ring；5, v shaped ring；6, pressure ring；7, foundary weight；8, screw；9, observation panel；10, turbine mechanism.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, this utility model is expanded on further.
A kind of upper sealing device of butterfly valve, including valve body 1, upper valve rod 2, axle sleeve 3, support ring 4, v shaped ring 5, pressure ring 6, foundary weight 7, screw 8, observation panel 9, turbine mechanism 10, upper valve rod 2 is vertically installed in the centre bore of valve body 1, it is positioned between the bottom of upper valve rod 2 and the hole of valve body 1 equipped with axle sleeve 3, v shaped ring 5 is enclosed within the top being positioned at axle sleeve 3 on upper valve rod 2, v shaped ring 5 be arranged above foundary weight 7, screw 8 is used to be connected between foundary weight 7 with valve body 1 fixing, the top of valve body 1 is provided with observation panel 9 and turbine mechanism 10, the maintenance of upper sealing device and the replacing of service material can be completed without removing turbine mechanism 10 during use.
Being provided with pressure ring 6 between v shaped ring 5 end face and foundary weight 7, when applying thrust to foundary weight 7, thrust is applied to v shaped ring by pressure ring 6, and the top of v shaped ring is hardly damaged.
Being provided with support ring 4 between bottom surface and the hole shoulder of valve body 1 of v shaped ring 5, the thrust from foundary weight 7 is carried out transition by support ring 4, and the bottom surface of v shaped ring 5 is hardly damaged.
Foundary weight 7 is the top sleeve with flange, and flange is drilled with through hole, and foundary weight 7 is i.e. fixed on valve body 1 by screw 8 through this hole, and the above-below direction position adjustment of foundary weight 7 can be conveniently realized by rotary screw 8.
Gap is left between the endoporus of observation panel 9 and valve body 1, sealing problem still cannot be solved when adjustment screw 8 compresses foundary weight 7, screw 8 and v shaped ring 5 can be removed, install between observation panel 9 and valve body 1 and add encapsulant to realize the upper sealing of butterfly valve, easy to adjust.
The upper sealing device of butterfly valve disclosed in the utility model, pressure ring 6 is installed between v shaped ring 5 end face and foundary weight 7, the top of v shaped ring is hardly damaged, between bottom surface and the hole shoulder of valve body 1 of v shaped ring 5, support ring 4 is installed, the bottom surface of v shaped ring 5 is hardly damaged, foundary weight 7 is the top sleeve with flange, through hole it is drilled with on flange, the above-below direction position adjustment of foundary weight 7 can be conveniently realized by rotary screw 8, gap is left between the endoporus of observation panel 9 and valve body 1, sealing problem still cannot be solved when adjustment screw 8 compresses foundary weight 7, screw 8 and v shaped ring 5 can be removed, install between observation panel 9 and valve body 1 and add encapsulant to realize the upper sealing of butterfly valve, easy to adjust.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
1. the upper sealing device of a butterfly valve, including valve body, upper valve rod, axle sleeve, described upper valve rod is vertically installed in the centre bore of described valve body, it is positioned between the bottom of described upper valve rod and the hole of described valve body equipped with described axle sleeve, it is characterized in that: also include support ring, v shaped ring, pressure ring, foundary weight, screw, observation panel, turbine mechanism, described v shaped ring is enclosed within the top being positioned at described axle sleeve on described upper valve rod, described v shaped ring be arranged above described foundary weight, described screw is used to be connected between described foundary weight with described valve body fixing, the top of described valve body is provided with described observation panel and described turbine mechanism.
A kind of upper sealing device of butterfly valve, it is characterised in that: between described v shaped ring end face and described foundary weight, described pressure ring is installed.
A kind of upper sealing device of butterfly valve, it is characterised in that: between bottom surface and the hole shoulder of described valve body of described v shaped ring, described support ring is installed.
A kind of upper sealing device of butterfly valve, it is characterised in that: described foundary weight is the top sleeve with flange, and flange is drilled with through hole, and described foundary weight is i.e. fixed on described valve body by described screw through this hole.
A kind of upper sealing device of butterfly valve, it is characterised in that: leave gap between the endoporus of described observation panel and described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070936.8U CN205423859U (en) | 2015-12-18 | 2015-12-18 | Last sealing device of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070936.8U CN205423859U (en) | 2015-12-18 | 2015-12-18 | Last sealing device of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423859U true CN205423859U (en) | 2016-08-03 |
Family
ID=56537827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521070936.8U Expired - Fee Related CN205423859U (en) | 2015-12-18 | 2015-12-18 | Last sealing device of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895162A (en) * | 2015-12-18 | 2017-06-27 | 安徽方兴实业（集团）有限公司 | A kind of upper sealing device of butterfly valve |
-
2015
- 2015-12-18 CN CN201521070936.8U patent/CN205423859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895162A (en) * | 2015-12-18 | 2017-06-27 | 安徽方兴实业（集团）有限公司 | A kind of upper sealing device of butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20171218 |