CN205877294U - Carbon steel check valve - Google Patents
Carbon steel check valve Download PDFInfo
- Publication number
- CN205877294U CN205877294U CN201620818176.2U CN201620818176U CN205877294U CN 205877294 U CN205877294 U CN 205877294U CN 201620818176 U CN201620818176 U CN 201620818176U CN 205877294 U CN205877294 U CN 205877294U
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- carbon steel
- valve
- valve body
- check
- valves
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Abstract
The utility model discloses a valve technical field's a carbon steel check valve, including the carbon steel valve body, carbon steel valve sinistron right side both ends symmetry is equipped with the ring flange, the internal chamber of carbon steel valve is equipped with the non return valve clack perpendicularly, the non return valve clack includes the folded sheet, the both ends symmetry is equipped with two sets of fixed columns about the folded sheet, and is two sets of the left side of fixed column all is connected with screw sleeve, and the valve rod spliced pole lies in the right side of non return valve clack, there is the drop in leaf on the top of valve rod spliced pole through the round pin hub connection, the utility model discloses an adopt neotype carbon steel material, the rigidity of check valve has greatly been strengthened, the life of check valve has been prolonged, adopt the neotype non return valve clack structure that opens and shuts, can avoid the check valve to exchange the not tight condition of closing that appears under the long -term frequent state of opening and shutting, guaranteed that the medium is in the inside flow of valve body, utilize the velocity of flow of medium, can flow backwards at the medium inside need not to prevent the valve body under the condition of external force.
Description
Technical field
This utility model relates to valve technology field, is specially a kind of carbon steel check-valves.
Background technology
Check-valves is also known as check valve or non-return valve, and its effect is to prevent the medium in pipeline from flowing backwards.The end that pump sump closes
Valve falls within check-valves class.Opening and closing element is turned on and off voluntarily by media flow and strength, with prevent valve that medium flows backwards
Check-valves.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only allows medium to flow to a direction
Dynamic, to try to avert accidents, check-valves is divided by structure, can be divided into lift check valve, swing check valve, butterfly swing check valve
And spring axial flow piston check valve four kinds.
Its rigidity of traditional check-valves is inadequate, easily causes valve body fracture, and check-valves is frequently during life-time service
Folding condition under, easily cause situation about being not closed completely, affect the flowing of valve inner medium, to this end, we have proposed one
Plant carbon steel check-valves to come into operation, to solve the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of carbon steel check-valves, to solve the tradition proposed in above-mentioned background technology
The problem being not closed completely that check-valves rigidity not and occurs under the folding condition of long term frequent.
For achieving the above object, this utility model following technical scheme of offer: a kind of carbon steel check-valves, including carbon steel valve
Body, two ends, described carbon steel valve body left and right are arranged with ring flange, and described carbon steel body cavity is vertically provided with non-return flap, described only
Returning flap and include that folded sheet, the upper and lower two ends of described folded sheet are arranged with two groups and fix post, the left side fixing post described in two groups is equal
Connecting has screw shell, the inner chamber of described screw shell to be plugged with regulation screw mandrel, and the outer wall of described regulation screw mandrel is socketed with sleeve,
And sleeve is between two groups of screw shells, the right side of described sleeve is provided with limited post, and the left side of described sleeve is provided with pull bar,
And the left end of pull bar is fixed on the left side of folded sheet, the bottom of described regulation screw mandrel is fixed on the inner chamber of carbon steel valve body by bearing
Bottom, the other end of described regulation screw mandrel is through the top of carbon steel valve body, and the top of described regulation screw mandrel connects regulation hands
Wheel, the inner chamber of described carbon steel valve body is provided with valve rod and connects post, and valve rod connects post and is positioned at the right side of non-return flap, and described valve rod is even
There is drop in leaf on the top connecing post by bearing pin connection.
Preferably, described folding plate surface middle position is vertically provided with hinge, and folded sheet is divided into portable plate by described hinge
And fixed plate, and fixed plate is positioned on the right side of portable plate.
Preferably, the upper and lower lateral symmetry in top of described ring flange has installing hole, the top, the left and right sides of described ring flange
End is provided with sealing ring.
Preferably, described drop in leaf is connected post flexible connection, and the bottom of drop in leaf and carbon by bearing pin with valve rod
The intracavity bottom contact of steel valve body.
Preferably, the female thread of described screw shell is suitable with the external screw thread of regulation screw mandrel, and described sleeve weld is being adjusted
The outer wall of joint screw mandrel.
Compared with prior art, the beneficial effects of the utility model are: this utility model uses novel carbon steel material, pole
The earth enhances the rigidity of check-valves, extends the service life of check-valves, uses novel non-return flap opening-closing structure, it is possible to
Avoid the situation about being not closed completely that check-valves easily occurs under the folding condition of long term frequent, it is ensured that medium is at valve inner
Flowing, utilizes the flow velocity of medium, it is possible to prevent the medium of valve inner from flowing backwards in the case of without external force.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model check-valves valve structure schematic diagram；
Fig. 3 is this utility model folded plate construction schematic diagram.
In figure: 1 carbon steel valve body, 2 ring flanges, 3 non-return flaps, 31 folded sheets, 311 portable plates, 312 fixed plates, 313 hinges
Chain, 32 screw shells, 33 fix post, 34 sleeves, 35 limited posts, 36 bearings, 37 pull bars, 4 regulation screw mandrel, 5 adjusting handles, 6 valves
Bar connects post, 7 drop in leafs.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-3, this utility model provides a kind of technical scheme: a kind of carbon steel check-valves, including carbon steel valve body 1,
Described carbon steel valve body about 1 two ends are arranged with ring flange 2, and described carbon steel valve body 1 inner chamber is vertically provided with non-return flap 3, described
Non-return flap 3 includes that folded sheet 31, described folded sheet about 31 two ends are arranged with two groups and fix post 33, fix post described in two groups
The left side of 33 is respectively connected with screw shell 32, and the inner chamber of described screw shell 32 is plugged with regulation screw mandrel 4, described regulation screw mandrel 4
Outer wall be socketed with sleeve 34, and sleeve 34 is between two groups of screw shells 32, and the right side of described sleeve 34 is provided with spacing
Post 35, the left side of described sleeve 34 is provided with pull bar 37, and the left end of pull bar 37 is fixed on the left side of folded sheet 31, described regulation silk
The bottom of bar 4 is fixed on the intracavity bottom of carbon steel valve body 1 by bearing 36, and the other end of described regulation screw mandrel 4 is through carbon steel
The top of valve body 1, the top of described regulation screw mandrel 4 connects has adjusting handle 5, the inner chamber of described carbon steel valve body 1 to be provided with valve rod even
Connecing post 6, and valve rod connects post 6 and is positioned at the right side of non-return flap 3, described valve rod connects the top of post 6 has work by bearing pin connection
Dynamic turnover panel 7.
Wherein, middle position, described folded sheet 31 surface is vertically provided with hinge 313, and described hinge 313 is by folded sheet 31 points
For portable plate 311 and fixed plate 312, and fixed plate 312 is positioned on the right side of portable plate 311, can reach folded sheet by hinge 313
The purpose of 31 foldings, the upper and lower lateral symmetry in top of described ring flange 2 has installing hole, the top, the left and right sides of described ring flange 2
End is provided with sealing ring, and sealing ring adds the sealing of check-valves, prevents the seepage of valve inner medium, described drop in leaf 7
It is connected post 6 by bearing pin with valve rod to be flexibly connected, and the bottom of drop in leaf 7 contacts with the intracavity bottom of carbon steel valve body 1, movable
Turnover panel 7 is prevented from medium and flows backwards, and the female thread of described screw shell 32 is suitable with the external screw thread of regulation screw mandrel 4, described set
Cylinder 34 is welded on the outer wall of regulation screw mandrel 4.
Operation principle: by rotating adjusting handle 5, regulation screw mandrel 4 rotates, and then makes sleeve 34 rotate, thus forgets about it
Bar 37, reaches the purpose of open collapsible plate 31, makes closing check-valves, reversely rotates adjusting handle 5, by sleeve 34 sidewall
The reverse rotation of limited post 35, can make portable plate 311 close, and then makes non-return flap 3 enter closed mode, utilizes drop in leaf
7 flexible connections being connected post 6 with valve rod, by the flow velocity of carbon steel valve body 1 interior media, drop in leaf 7 enters into opening,
When carbon steel valve body 1 interior media flow velocity reduction can stop flowing, drop in leaf 7 under gravity, freely falls and and carbon
The inner chamber of steel valve body 1 contacts, and reaches the purpose preventing check-valves medium from flowing backwards, it is not necessary to use external force, and this apparatus structure is simple,
Reasonable in design, there is the strongest use value.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a carbon steel check-valves, including carbon steel valve body (1), it is characterised in that: described carbon steel valve body (1) two ends, left and right symmetry sets
Having ring flange (2), described carbon steel valve body (1) inner chamber to be vertically provided with non-return flap (3), described non-return flap (3) includes folded sheet
(31), described folded sheet (31) two ends up and down are arranged with two groups and fix post (33), and the left side fixing post (33) described in two groups is equal
Connect and have screw shell (32), the inner chamber of described screw shell (32) to be plugged with regulation screw mandrel (4), described regulation screw mandrel (4)
Outer wall is socketed with sleeve (34), and sleeve (34) is positioned between two groups of screw shells (32), and the right side of described sleeve (34) is installed
Limited location post (35), the left side of described sleeve (34) is provided with pull bar (37), and the left end of pull bar (37) is fixed on folded sheet (31)
Left side, the bottom of described regulation screw mandrel (4) is fixed on the intracavity bottom of carbon steel valve body (1), described regulation by bearing (36)
The other end of screw mandrel (4) is through the top of carbon steel valve body (1), and the top of described regulation screw mandrel (4) connects adjusting handle
(5), the inner cavity top of described carbon steel valve body (1) is provided with valve rod and connects post (6), and valve rod connects post (6) and is positioned at non-return flap (3)
Right side, described valve rod connect post (6) top by bearing pin connect have drop in leaf (7).
A kind of carbon steel check-valves the most according to claim 1, it is characterised in that: described folded sheet (31) middle position, surface
Vertically being provided with hinge (313), folded sheet (31) is divided into portable plate (311) and fixed plate (312) by described hinge (313), and solid
Determine plate (312) and be positioned at portable plate (311) right side.
A kind of carbon steel check-valves the most according to claim 1, it is characterised in that: the top upper and lower two of described ring flange (2)
Side symmetry has installing hole, and the top, the left and right sides of described ring flange (2) is provided with sealing ring.
A kind of carbon steel check-valves the most according to claim 1, it is characterised in that: described drop in leaf (7) by bearing pin with
Valve rod connects post (6) and is flexibly connected, and the bottom of drop in leaf (7) contacts with the intracavity bottom of carbon steel valve body (1).
A kind of carbon steel check-valves the most according to claim 1, it is characterised in that: the female thread of described screw shell (32) with
The external screw thread of regulation screw mandrel (4) is suitable, and described sleeve (34) is welded on the outer wall of regulation screw mandrel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818176.2U CN205877294U (en) | 2016-07-28 | 2016-07-28 | Carbon steel check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818176.2U CN205877294U (en) | 2016-07-28 | 2016-07-28 | Carbon steel check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877294U true CN205877294U (en) | 2017-01-11 |
Family
ID=57700138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620818176.2U Active CN205877294U (en) | 2016-07-28 | 2016-07-28 | Carbon steel check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877294U (en) |
-
2016
- 2016-07-28 CN CN201620818176.2U patent/CN205877294U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210303 Address after: 323600 58 Jinsha South Road, Bailongshan street, Yunhe County, Lishui City, Zhejiang Province Patentee after: Lishui Huawei Machinery Technology Co.,Ltd. Address before: 323600 Bailongshan Road 702, Yunhe County, Lishui City, Zhejiang Province Patentee before: ZHEJIANG HANWEI VALVE MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230419 Address after: No. 4, Xingsheng Road, Bailongshan Street, Yunhe County, Lishui City, Zhejiang Province 323600 Patentee after: Lishui Sunway Machinery Co.,Ltd. Address before: 323600 58 Jinsha South Road, Bailongshan street, Yunhe County, Lishui City, Zhejiang Province Patentee before: Lishui Huawei Machinery Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |