CN204226749U - One fills profile shaft flow check valve - Google Patents
One fills profile shaft flow check valve Download PDFInfo
- Publication number
- CN204226749U CN204226749U CN201420642721.8U CN201420642721U CN204226749U CN 204226749 U CN204226749 U CN 204226749U CN 201420642721 U CN201420642721 U CN 201420642721U CN 204226749 U CN204226749 U CN 204226749U
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- valve
- valve seat
- flap
- spring
- valve body
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Abstract
The utility model provides a kind of upper dress profile shaft flow check valve, and comprise valve body and valve gap, valve body offers service hatch, service hatch adds and is stamped valve gap; The inside of valve body is distributed as medium entrance, valve pocket and media outlet; Medium entrance place is fixed with valve seat, and the center portion of valve seat is provided with valve seat flow guiding head; Valve seat dorsad medium entrance place is flexible coupling and has flap; The side of flap medium entrance is dorsad provided with spring annular groove, and spring annular groove is connected with spring bracket, is arranged with spring on spring bracket with on the outer surface of the connection projection of flap; Spring bracket is fixedly connected with support towards the side of media outlet, and support is fixed on media outlet place; Support is loop configuration, and support evenly offers discharge orifice.Associated component by offering a service hatch, can be taken out and keep in repair, thus realizing online Fast-Maintenance by the utility model on valve body; The utility model can be widely used in the conveying of medium under high temperature to low temperature by changing the making material of safety check.
Description
Technical field
The utility model belongs to field of check valves, relates to the on-line maintenance technology of safety check, specifically a kind of upper dress profile shaft flow check valve.
Background technique
Axial flow type check valve a kind ofly decides the unlatching of flap and a kind of safety check of tube wall by entrance point with the pressure reduction of outlet end.The installation of current safety check on pipeline is all load relevant component from the side, is then welded on conveyance conduit; When needing to keep in repair the inner body of safety check, can only keep in repair after pipeline excision, thus maintenance mode is comparatively difficult, also result in larger puzzlement to the operation of pipeline.
Model utility content
The purpose of this utility model is to provide a kind of axial flow safety check realizing on-line maintenance, it is safeguarded the parts in safety check by the service hatch be arranged on valve body, remove safety check from from pipeline excision maintenance, reduce the impact of maintenance on pipeline of safety check, improve working efficiency.
The utility model is achieved through the following technical solutions: one fills profile shaft flow check valve, and comprise valve body, flap, valve seat and valve gap, described valve body offers a service hatch, and described service hatch has added a cover described valve gap; The inside of described valve body is distributed as medium entrance, valve pocket and media outlet; Described medium entrance place is fixed with described valve seat, and described valve seat is a loop configuration, and the center portion of described valve seat is provided with a valve seat flow guiding head, and described valve seat flow guiding head is cone structure; Described valve seat dorsad described medium entrance place is flexible coupling and has described flap, and described flap is a loop configuration, the structure of the looping pit of described flap and the structure of described valve seat flow guiding head suitable; The side of described flap described medium entrance is dorsad provided with spring annular groove, and described spring annular groove is connected with a spring bracket, is arranged with spring on described spring bracket with on the outer surface of the connection projection of described flap; Described spring bracket is fixedly connected with a support towards the side of described media outlet, and described support is fixed on described media outlet place; Described support is a loop configuration, and described support evenly offers discharge orifice.
Preferably, the below of described valve gap, described service hatch place are provided with the cowling of a streamline structure, and the internal surface of corresponding described valve body is streamline structure.
Preferably, the fixed connection place of described valve seat and described valve body is sealed by a two-way spring energy-storage seal ring.
Compared with prior art, its effect is positive to the utility model:
1, the utility model on the valve body of safety check by offering a service hatch, defining can the safety check of dismounting online, thus when safety check being excised from valve body, the associated component in safety check can be taken out and keep in repair, thus realize online Fast-Maintenance.
2, the utility model is by arranging the cowling of streamline, makes the flowing of medium become orderly flowing from turbulent flow, avoids the generation of turbulent flow, thus reduces flow resistance, increases the rated flow coefficient (CV) of safety check.
3, the utility model medi-spring damping mechanism makes flap quiet when opening and closing, and during medium back flow, tries hard to recommend dynamic flap be affixed in the process of sealing surface of seat at medium, because acting force of the spring makes flap closing velocity reduce rapidly, damping, protecting against shock, slowly press close to sealing surface of seat, forms quiet closedown; When medium is normally carried, the drag effect of spring force makes flap steadily depart from sealing surface of seat, quiet unlatching.
4, in the utility model, flap adopts ring packing formula structure, coordinates spring bracket and support to form stable MEDIA FLOW circulation passage, avoids the generation of turbulent flow, increase the rated flow coefficient (CV) of safety check.
5, the check valve structure of the utility model innovative design can be widely used in the conveying of high temperature, normal temperature and cryogenic media, and it only needs to adjust corresponding material; At high temperature, can the exotic materials such as Cr-Mo steel be used, then use carbon steel material at normal temperatures, and at low temperatures as at-197 DEG C, then adopt austenitic stainless steel material, and through the process of cryogenic technology, the reverse non-return carrying out medium at low temperatures can be guaranteed.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model valve body.
Fig. 3 is the structural representation of the utility model flap.
Fig. 4 is that the utility model medium flows to schematic diagram.
Wherein: 1 is valve body; 2 is valve gap; 3 is flap; 4 is valve seat; 5 is service hatch; 6 is spring bracket; 7 is support; 8 is cowling; 31 is spring annular groove; 41 is valve seat flow guiding head; 61 is spring; 71 is discharge orifice; 101 is medium entrance; 102 is valve pocket; 103 is media outlet.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public embodiment.
Embodiment one:
See Fig. 1 and Fig. 2, upper dress profile shaft flow check valve, comprises valve body 1, flap 3, valve seat 4 and valve gap 2, and valve body 1 offers a service hatch 5, service hatch 5 adds and is stamped valve gap 2; The inside of valve body 1 is distributed as medium entrance 101, valve pocket 102 and media outlet 103; Medium entrance 101 place is fixed with valve seat 4, and valve seat 4 is a loop configuration, and the center portion of valve seat 4 is provided with valve seat flow guiding head 41, and valve seat flow guiding head 41 is cone structure; Valve seat 4 dorsad medium entrance 101 place is flexible coupling and has flap 3, namely flap 3 and valve seat 4 are not the relations be fixedly connected with, be tightly connected by sealing surface each other at closure of check ring state lower Disc 3 and valve seat 4, and under safety check open mode, flap 3 and valve seat 4 are in separated state; See Fig. 3, flap 3 is a loop configuration, the structure of the looping pit of flap 3 and the structure of valve seat flow guiding head 41 suitable; The side of flap 3 medium entrance 101 is dorsad provided with spring annular groove 31, and spring annular groove 31 is connected with a spring bracket 6, is arranged with spring 61 on spring bracket 6 with on the outer surface of the connection projection of flap 3; Spring bracket 61 is fixedly connected with support 7 towards the side of media outlet 103, and support 7 is fixed on media outlet place; Support 7 is a loop configuration, and support 7 evenly offers discharge orifice 71; Flap 3 and spring bracket 6 are arranged in valve pocket 102.
When needing to carry out dismounting to safety check, only need to open upper cover, just can easily each parts be carried out retracting and installation, facilitate on-line maintenance; See Fig. 4, when medium is normally carried, flap is opened by pressure difference, and medium passes through valve pocket from four passages respectively, and for bigbore safety check, such flowing makes the conveying of medium more steady.
Embodiment two:
See Fig. 1, the present embodiment is that the one of embodiment one is improved, namely in the below of valve gap 2, service hatch 5 place is provided with the cowling 8 of a streamline structure, the internal surface of corresponding valve body 1 is streamline structure.
See Fig. 4, due to the increase of cowling, make the flowing of medium become orderly flowing from turbulent flow, effectively can reduce the generation of noise.
Mode of execution three:
The present embodiment is that the another kind of embodiment one improves, and the fixed connection place of valve seat and valve body is sealed by a two-way spring energy-storage seal ring.
Bidirectional spring accumulation of energy seal ring provides longitudinal sealing at the throughput direction (transverse direction) of medium, when medium back flow, then provides horizontal sealing; Thus lasting elastic force is provided, also can make up the gap produced when low temperature shrinkage simultaneously.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.
Claims (3)
1. a upper dress profile shaft flow check valve, comprises valve body, flap, valve seat and valve gap, it is characterized in that: described valve body offers a service hatch, described service hatch has added a cover described valve gap; The inside of described valve body is distributed as medium entrance, valve pocket and media outlet; Described medium entrance place is fixed with described valve seat, and described valve seat is a loop configuration, and the center portion of described valve seat is provided with a valve seat flow guiding head, and described valve seat flow guiding head is cone structure; Described valve seat dorsad described medium entrance place is connected with described flap, and described flap is a loop configuration, the structure of the looping pit of described flap and the structure of described valve seat flow guiding head suitable; The side of described flap described medium entrance is dorsad provided with spring annular groove, and described spring annular groove is connected with a spring bracket, is arranged with spring on described spring bracket with on the outer surface of the connection projection of described flap; Described spring bracket is fixedly connected with a support towards the side of described media outlet, and described support is fixed on described media outlet place; Described support is a loop configuration, and described support evenly offers discharge orifice.
2. upper dress profile shaft flow check valve as claimed in claim 1, it is characterized in that: the below of described valve gap, described service hatch place are provided with the cowling of a streamline structure, the internal surface of corresponding described valve body is streamline structure.
3. upper dress profile shaft flow check valve as claimed in claim 1, is characterized in that: the fixed connection place of described valve seat and described valve body is sealed by a two-way spring energy-storage seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642721.8U CN204226749U (en) | 2014-11-02 | 2014-11-02 | One fills profile shaft flow check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642721.8U CN204226749U (en) | 2014-11-02 | 2014-11-02 | One fills profile shaft flow check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226749U true CN204226749U (en) | 2015-03-25 |
Family
ID=52924848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420642721.8U Active CN204226749U (en) | 2014-11-02 | 2014-11-02 | One fills profile shaft flow check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626911A (en) * | 2014-11-02 | 2016-06-01 | 杨恒 | Upper-portion-mounted axial flow check valve |
| CN114658901A (en) * | 2022-04-22 | 2022-06-24 | 台州尚亿阀门股份有限公司 | Silent check valve |
-
2014
- 2014-11-02 CN CN201420642721.8U patent/CN204226749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626911A (en) * | 2014-11-02 | 2016-06-01 | 杨恒 | Upper-portion-mounted axial flow check valve |
| CN105626911B (en) * | 2014-11-02 | 2018-08-28 | 杨恒 | Profile shaft flow check valve is filled in one kind |
| CN114658901A (en) * | 2022-04-22 | 2022-06-24 | 台州尚亿阀门股份有限公司 | Silent check valve |
| CN114658901B (en) * | 2022-04-22 | 2022-10-25 | 台州尚亿阀门股份有限公司 | Mute check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |