CN206206662U - A kind of wear-resisting type flat gate valve - Google Patents
A kind of wear-resisting type flat gate valve Download PDFInfo
- Publication number
- CN206206662U CN206206662U CN201621254680.0U CN201621254680U CN206206662U CN 206206662 U CN206206662 U CN 206206662U CN 201621254680 U CN201621254680 U CN 201621254680U CN 206206662 U CN206206662 U CN 206206662U
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- China
- Prior art keywords
- sealing ring
- wear
- valve body
- flashboard
- gland
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Abstract
The utility model discloses a kind of wear-resisting type flat gate valve,Including valve body,The left end of valve body is provided with medium entrance,Its right-hand member is provided with media outlet,And the upper end of valve body is connected with housing,It is moving up and down in housing to be provided with flashboard,Flashboard is driven by drive device,The upper end of valve body is provided with passage,And valve inner is provided with seal assembly,Seal assembly includes left sealing ring,Right sealing ring and left gland,Right gland,Left gland,Right gland is fixedly connected with the valve body,And left gland,Wear-resisting ring is respectively connected with right gland,Wear-resisting ring is located at the bottom of seal assembly,When opening valve body,The right-hand member of left sealing ring is tightly fitted with the left end of right sealing ring in the exit of passage,During valve body,Flashboard is stretched into and from left sealing ring by passage,The centre of right sealing ring is passed into valve inner,And flashboard and left sealing ring,Right sealing ring is tightly fitted.The utility model has simple structure, compact a, small volume, good seal performance, the characteristics of bearing capacity is big.
Description
Technical field
The utility model is related to a kind of gate valve, more particularly to a kind of wear-resisting type flat gate valve.
Background technology
Flat gate valve is a kind of big orifice mesolow hydraulic control medium flow direction control valve suitable for ship pipeline, Applicable media
It is mud, seawater, fresh water etc.；Flange connection is used with two ends pipeline.With developing rapidly for China's economic, as main
The shipping handling capacity of transportation means increases year by year, and in order to ensure the normal operation of large-tonnage ships, weight has also been laid out in navigation channel desilting
Position is wanted, relevant department it is also proposed requirement higher to navigation channel cleaning ship equipment, and flat gate valve is that one of them is heavier
The equipment wanted.
At present, the flat gate valve of in the market, however it remains complex structure, volume are big, poor sealing performance, bearing capacity difference
Problem, and it uses in poor construction environment, particularly dredging contains the sharp impurity media, pole such as gravel, coral debris
Easy to wear, service life is shorter, thus, is badly in need of solving.
Utility model content
The purpose of this utility model is regarding to the issue above, there is provided a kind of wear-resisting type flat gate valve, existing flat to solve
Plate gate valve structure is complicated, volume is big, poor sealing performance, the problem that bearing capacity is poor, service life is short.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of wear-resisting type flat gate valve, including valve body, the left end of the valve body are provided with medium entrance, and its right-hand member is provided with medium
Outlet, and the upper end of valve body is connected with housing, the flashboard being provided with for valve body moving up and down, institute in the housing
State flashboard by drive device drive, the upper end of the valve body be provided be easy to flashboard insert passage, and valve inner be provided with it is anti-
The seal assembly that only medium is flowed out by passage, the seal assembly includes being symmetrically arranged in the left sealing ring of passage both sides, right close
Seal and left gland, right gland for left sealing ring, right sealing ring to be compressed, the left gland, right gland are solid with valve body
Fixed connection, and be respectively connected with left gland, right gland and prevent the wear-resisting ring of impurity abradable seal component in medium, the wear-resisting ring
Positioned at the bottom of seal assembly, when opening valve body, the right-hand member of left sealing ring is tight in the exit of passage with the left end of right sealing ring
It is close to close to form sealing, during valve body, flashboard is stretched into by passage and is passed into from the centre of left sealing ring, right sealing ring
Valve inner, and flashboard tightly fits with left sealing ring, right sealing ring.
Used as a kind of preferred scheme of the present utility model, the left sealing ring, right ring structure are identical, and specifically include
Metallic framework, the sealing for being coated on metallic framework one end and the pars contractilis of the metallic framework other end is coated on, the sealing,
Pars contractilis is made by elastomeric material, and the rubber hardness of sealing is 85~90 degree, and the rubber hardness of pars contractilis is 45~50
Degree；When opening valve body, the sealing of left sealing ring is tightly fitted with the sealing of right sealing ring；Adopt the structure, can protect
Increase the service life while card sealing.
As a kind of preferred scheme of the present utility model, mounting groove is provided with the inwall of the passage, in the mounting groove
It is provided with guide ring；Due to valve body in the closed state, medium has the internal pressure to produce thrust, the setting of guide ring can be used to hold
By thrust, bearing capacity is improved, it is to avoid flashboard is damaged.
Used as a kind of preferred scheme of the present utility model, the guide ring is made up of nylon material.
Used as a kind of preferred scheme of the present utility model, the bottom of the flashboard is provided with the guide part of pyramidal structure, institute
State the guiding slot port that pyramidal structure is provided with seal assembly；It is easy to flashboard to insert in valve body.
Used as a kind of preferred scheme of the present utility model, the drive device is hydraulic cylinder or cylinder or electric cylinders.
Used as a kind of preferred scheme of the present utility model, the flashboard is made up of stainless steel material.
Used as a kind of preferred scheme of the present utility model, the wear-resisting ring is made up of alloy steel material.
The beneficial effects of the utility model are that a kind of wear-resisting type flat gate valve has simple structure, compact, volume
It is small, good seal performance, the characteristics of bearing capacity is big, its operating pressure that can bear 2.5MPa, additionally, by setting wear-resisting ring,
The left sealing ring of impurity abrasion, right sealing ring can be prevented, service life is substantially prolongs.
Brief description of the drawings
Fig. 1 is a kind of structural representation of wear-resisting type flat gate valve of the utility model；
Fig. 2 is the structural representation under the utility model valve body opening；
Fig. 3 is the structural representation under the utility model valve body closed mode.
In figure:
1st, valve body；2nd, housing；3rd, hydraulic cylinder；4th, flashboard；5th, guide ring；6th, left sealing ring；7th, right sealing ring；8th, left pressure
Lid；9th, right gland；10th, wear-resisting ring.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.Can manage
Solution, embodiment described herein is used only for explanation the utility model, rather than to restriction of the present utility model.
Refer to shown in Fig. 1 to Fig. 3, Fig. 1 is a kind of structural representation of wear-resisting type flat gate valve of the utility model；Fig. 2
It is the structural representation under the utility model valve body opening；Fig. 3 is that the structure under the utility model valve body closed mode is shown
It is intended to.
In the present embodiment, a kind of wear-resisting type flat gate valve, including valve body 1, the left end of the valve body 1 is provided with medium and enters
Mouthful, its right-hand member is provided with media outlet, and the upper end of valve body 1 is connected with housing 2, moving up and down in the housing 2 to be provided with
For the flashboard 4 of valve body 1, the flashboard 4 is made up of stainless steel material, and it is driven by hydraulic cylinder 3, the valve body 1 it is upper
End is provided with the passage for being easy to flashboard 4 to insert, and valve body 1 is internally provided with the seal assembly for preventing medium from being flowed out by passage, described
Mounting groove is provided with the inwall of passage, guide ring 5 is provided with the mounting groove, the guide ring 5 is made up of nylon material, institute
The bottom for stating flashboard 4 is provided with the guide part of pyramidal structure, and the guiding slot port of pyramidal structure is provided with the seal assembly, close
Sealing assembly includes being symmetrically arranged in the left sealing ring 6 of passage both sides, right sealing ring 7 and for by left sealing ring 6, right sealing ring 7
Left gland 8, the right gland 9 for compressing, the left sealing ring 6, the structure of right sealing ring 7 are identical, and specifically include metallic framework, cladding
Metallic framework one end sealing and be coated on the pars contractilis of the metallic framework other end, the sealing, pars contractilis are by rubber
Glue material is made, and the rubber hardness of sealing is 88 degree, and the rubber hardness of pars contractilis is 47 degree；The left gland 8, right gland
9 are fixedly connected with valve body 1, and are respectively connected with left gland 8, right gland 9 and prevent the resistance to of impurity abradable seal component in medium
Grinding ring 10, the wear-resisting ring 10 is made up of alloy steel material, its bottom for being located at seal assembly, when opening valve body 1, left sealing ring
6 sealing tightly fits to form sealing, during valve body 1, flashboard with the sealing of right sealing ring 7 in the exit of passage
4 are stretched into by passage and are passed into inside valve body 1 from the centre of left sealing ring 6, right sealing ring 7, and flashboard 4 and left sealing ring 6
Sealing, the sealing of right sealing ring 7 tightly fits.
A kind of flashboard 4 of above-mentioned wear-resisting type flat gate valve is driven by hydraulic cylinder 3, and during valve body 1, hydraulic cylinder 3 drives lock
Plate 4 is inserted into left sealing ring 6, the centre position of right sealing ring 7, and during insertion, the pars contractilis of left sealing ring 6, the right side are close
The pars contractilis of seal 7 is compressed after stress, it is ensured that the circulation of medium in cut-off valve body 1 is played while sealing；Open valve body 1
When, hydraulic cylinder 3 drives flashboard 4 to be pulled out from the centre of left sealing ring 6, right sealing ring 7, the pars contractilis of left sealing ring 6, right sealing
The pars contractilis of circle 7 restores to the original state, and tightly fits, and by elastic compression, still can ensure sealing, prevents medium in valve body 1
It is forced into housing 2, influence flashboard 4 is acted.
A kind of above-mentioned wear-resisting type flat gate valve, the laminating degree of its left sealing ring 6 and right sealing ring 7 can by left gland 8,
Hold-down bolt on right gland 9 is adjusted, easy to adjust, simple.
Although it is noted that in the present embodiment, the rubber hardness of sealing is 88 degree, and the utility model is not limited
In this, the rubber hardness of sealing can also be 85 degree or 90 degree or any value between 85~90 degree.
Although it is noted that in the present embodiment, the rubber hardness of pars contractilis is 47 degree, and the utility model is not limited
In this, the rubber hardness of pars contractilis can also be 45 degree or 50 degree or any value between 45~50 degree.
Although it is noted that in the present embodiment, driving flashboard 4 to move up and down using hydraulic cylinder 3, this practicality is new
Type not limited to this, can also drive flashboard 4 to move up and down using cylinder or electric cylinders.
Above example is to elaborate general principle of the present utility model and characteristic, and the utility model does not receive above-mentioned implementation
Example limitation, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change and change, these
Changes and modifications are both fallen within the range of claimed the utility model.The claimed scope of the utility model is by appended right
Claim is defined.
Claims (8)
1. a kind of wear-resisting type flat gate valve, it is characterised in that：Including valve body, the left end of the valve body is provided with medium entrance, and it is right
End is provided with media outlet, and the upper end of valve body is connected with housing, moving up and down in the housing to be provided with for shutoff valve
The flashboard of body, the flashboard is driven by drive device, and the upper end of the valve body is provided with the passage for being easy to flashboard to insert, and in valve body
Portion is provided with the seal assembly for preventing medium from being flowed out by passage, and the seal assembly includes being symmetrically arranged in the left close of passage both sides
Seal, right sealing ring and left gland, right gland for left sealing ring, right sealing ring to be compressed, the left gland, right gland are equal
It is fixedly connected with the valve body, and is respectively connected with left gland, right gland and prevents the wear-resisting ring of impurity abradable seal component in medium, institute
Wear-resisting ring is stated positioned at the bottom of seal assembly, when opening valve body, the left end of the right-hand member of left sealing ring and right sealing ring is in passage
Exit is tightly fitted to form sealing, and during valve body, flashboard is stretched into and from left sealing ring, the centre of right sealing ring by passage
Valve inner is passed into, and flashboard is tightly fitted with left sealing ring, right sealing ring.
2. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：The left sealing ring, right sealing ring
Structure is identical, and specifically includes metallic framework, is coated on the sealing of metallic framework one end and is coated on the metallic framework other end
Pars contractilis, the sealing, pars contractilis be made by elastomeric material, and the rubber hardness of sealing is 85~90 degree, flexible
The rubber hardness in portion is 45~50 degree；When opening valve body, the sealing of left sealing ring is tightly fitted with the sealing of right sealing ring.
3. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：Peace is provided with the inwall of the passage
Tankage, guide ring is provided with the mounting groove.
4. a kind of wear-resisting type flat gate valve according to claim 3, it is characterised in that：The guide ring is by nylon material system
Into.
5. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：The bottom of the flashboard is provided with cone
The guide part of shape structure, is provided with the guiding slot port of pyramidal structure on the seal assembly.
6. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：The drive device be hydraulic cylinder or
Cylinder or electric cylinders.
7. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：The flashboard is by stainless steel material system
Into.
8. a kind of wear-resisting type flat gate valve according to claim 1, it is characterised in that：The wear-resisting ring is by alloy steel material
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254680.0U CN206206662U (en) | 2016-11-17 | 2016-11-17 | A kind of wear-resisting type flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254680.0U CN206206662U (en) | 2016-11-17 | 2016-11-17 | A kind of wear-resisting type flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206662U true CN206206662U (en) | 2017-05-31 |
Family
ID=58749158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254680.0U Active CN206206662U (en) | 2016-11-17 | 2016-11-17 | A kind of wear-resisting type flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206662U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748658A (en) * | 2019-08-30 | 2020-02-04 | 安徽铜都流体科技股份有限公司 | Capsule-shaped composite sealing gate |
| CN112762183A (en) * | 2021-01-14 | 2021-05-07 | 纽康阀门(上海)有限公司 | Self-flushing super-wear-resistant slurry knife gate valve |
| CN114110197A (en) * | 2021-12-24 | 2022-03-01 | 广西科德阀门有限责任公司 | Self-cleaning gate valve |
-
2016
- 2016-11-17 CN CN201621254680.0U patent/CN206206662U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748658A (en) * | 2019-08-30 | 2020-02-04 | 安徽铜都流体科技股份有限公司 | Capsule-shaped composite sealing gate |
| CN112762183A (en) * | 2021-01-14 | 2021-05-07 | 纽康阀门(上海)有限公司 | Self-flushing super-wear-resistant slurry knife gate valve |
| CN114110197A (en) * | 2021-12-24 | 2022-03-01 | 广西科德阀门有限责任公司 | Self-cleaning gate valve |
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