CN204312780U - Switchable water filling safety check - Google Patents
Switchable water filling safety check Download PDFInfo
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- CN204312780U CN204312780U CN201420716590.3U CN201420716590U CN204312780U CN 204312780 U CN204312780 U CN 204312780U CN 201420716590 U CN201420716590 U CN 201420716590U CN 204312780 U CN204312780 U CN 204312780U
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- rotating shaft
- supporting sleeve
- valve body
- steering wheel
- flap
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Abstract
The utility model relates to a kind of switchable water filling safety check, comprise valve body, lateral body, supporting sleeve, flap, gland, steering wheel and rotating shaft, symmetrical installation two lateral bodys on valve body two ends, in valve body, transverse uniaxial is provided with supporting sleeve, coaxially flap is slidably fitted with in supporting sleeve, the transverse ends of flap is all shaped with the sealing configuration coordinated with lateral body channel seal, and this supporting sleeve installs gland by threaded coaxial in the middle part of axial one end, the transverse shifting of this gland restriction flap; Longitudinal upper end of supporting sleeve is shaped with a squared counter bore, installs steering wheel in this squared counter bore, and eccentric rotating shaft of installing a longitudinal direction on this steering wheel, rotating shaft drives steering wheel to rotate, and steering wheel drives supporting sleeve transverse shifting in valve body.The utility model not should be noted that the flow direction when mounted, arbitrarily can install, save time; If after pipeline internal medium flow direction variation, do not need to dismantle valve, save time; Can be used for pipeline medium and flow to the frequent pipeline changed of needs.
Description
Technical field
The utility model belongs to valve field, especially a kind of switchable water filling safety check.
Background technique
At present, flow to fixing unadjustable for the safety check in the various operating modes of oil field and petrochemical industry, workman is needed to pay special attention to when mounted, if and after pipeline internal medium flow direction variation, dismounting valve is then needed to reinstall, lose time, pipeline medium cannot be applicable to and flow to the pipeline needing often to change.Immediate prior art is axial flow type check valve.
Following published existing patented technology is found through retrieval:
A kind of high-pressure shaft flow type back valve (CN202392197U), it is intended to solve flap and the problem such as valve body sealing surface is stuck, a kind of high-pressure shaft flow type back valve of this high-pressure shaft flow type back valve, comprise flap, valve body, described flap adopts disc-shaped structure, and cover on valve body sealing surface, the surface of contact of flap and valve body sealing surface is plane, i.e. plane sealing, this surface of contact is provided with seal ring.The flap that the utility model adopts adopts plane structure, and solve existing axial flow, shuttle type check valve, the sealing surface of flap and valve body adopts tapered configuration, very easily the stuck problem in valve body of flap occurs.
A kind of two-way controllable check valve (CN203604732U), comprise valve body, two non-return devices and swivel joint, described two non-return devices lay respectively at opening A and the opening B place of described valve body, when the sealed end of described non-return device stretches into corresponding opening, can seal it, the external channel disalignment that described opening A is communicated with it, described swivel joint is arranged in the passage of described opening A outside, described swivel joint is provided with an eccentric lobe near one end of opening A, when described swivel joint rotates in passage, described eccentric lobe can touch the sealed end with the non-return device of opening A fitted seal, and described valve inner is returned on described non-return device sealed end top, make seal failure.The beneficial effect that the utility model is created is: when running into safety check and needing liquid to release, and only needs to rotate outside handle, makes seal failure, liquid at this moment just can be made to flow out, change the state of non-return, meet actual demand in particular cases.
Comparative analysis: for file 1, is axial flow type check valve, can be used for pressure duct, and the document, compared with the utility model application, does not possess commutating structure.For file 2, relate to the double-direction control comparatively close with the utility model application, but the commutating structure compared with the application is different, and its change flows to as discharge accumulation liquid is convenient to keep in repair, switch pipeline flow-direction with the application and there is relatively big difference, therefore only with file as a comparison, conflict that is creative and novelty aspect can't be there is to the utility model application.
Through comparative analysis, compared with prior art there is larger difference in the technology contents of present patent application.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide that a kind of structure is simple, design science, be convenient to install, safe and reliable switchable water filling safety check.
The utility model solves its technical problem and takes following technological scheme to realize:
A kind of switchable water filling safety check, comprise valve body, lateral body, supporting sleeve, flap, gland, steering wheel and rotating shaft, medium channel is shaped with in the transverse uniaxial of valve body, the valve body at the axial two ends of medium channel installs two lateral bodys respectively by threaded coaxial symmetry, these two lateral bodys are all by being arranged on the lateral body seal with O ring between lateral body and valve body, in valve body, transverse uniaxial is provided with supporting sleeve, supporting sleeve bottom is shaped with the medium channel of a transverse direction, coaxially flap is slidably fitted with in supporting sleeve, it is characterized in that: the transverse ends of flap is all shaped with the sealing configuration coordinated with lateral body channel seal, this supporting sleeve installs gland by threaded coaxial in the middle part of axial one end, the transverse shifting of this gland restriction flap, longitudinal upper end of supporting sleeve is shaped with a squared counter bore, installs steering wheel in this squared counter bore, and eccentric rotating shaft of installing a longitudinal direction on this steering wheel, rotating shaft drives steering wheel to rotate, and steering wheel drives supporting sleeve transverse shifting in valve body.
And, rotating shaft upper end is passed valve body and is enclosed and valve seal by rotating shaft O shape, valve body is bolted end cap, the shoulder that this end cap is pressed in rotating shaft prevent rotating shaft from vertically moving, rotating shaft upper end above end cap is provided with indicator panel, handle and nut successively, locking handle is locked in rotating shaft by nut, and indicator panel is fixed on end cap by pin.
And described steering wheel adopts cam structure or eccentric wheel structure.
Advantage of the present utility model and good effect are:
1, the flap of this safety check is two way sealed flap, has two sealing surfaces, can two way sealed.
2, this safety check valve tuning adopts cam structure or eccentric wheel structure, easy to adjust, safe and reliable.
3, the utility model not should be noted that the flow direction when mounted, arbitrarily can install, save time; If after pipeline internal medium flow direction variation, do not need to dismantle valve, save time; Can be used for pipeline medium and flow to the frequent pipeline changed of needs.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present utility model;
Fig. 2 be in Fig. 1 A-A to cross-sectional view.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of switchable water filling safety check, comprise valve body 5, lateral body 1, supporting sleeve 4, flap 3, gland 6, steering wheel 7 and rotating shaft 8, with direction explanation shown in accompanying drawing 1, medium channel is shaped with in the transverse uniaxial of valve body, the valve body at the axial two ends of medium channel installs two lateral bodys respectively by threaded coaxial symmetry, and these two lateral bodys are all by being arranged on lateral body O shape circle 2 sealing between lateral body and valve body; In valve body, transverse uniaxial is slidably fitted with supporting sleeve, supporting sleeve bottom is shaped with the medium channel of a transverse direction, flap is coaxially installed with in supporting sleeve, the transverse ends of this flap is all shaped with the sealing configuration coordinated with lateral body channel seal, this supporting sleeve installs gland 6 by threaded coaxial in the middle part of axial one end, the transverse shifting of this gland restriction flap;
State shown in accompanying drawing 1 is the non-return structure of one-way flow from left to right, and now supporting sleeve compresses the lateral body of left end, and medium can be flowed into by left side, backs down flap to the right, and medium is passed through by the medium channel that supporting sleeve bottom is made; If generation medium back flow, medium is entered by right side, then pressure medium promotion flap is moved to the left the lateral body runner on the left of press seal, thus stops medium back flow.
The tuning structure of this valve is specially, longitudinal upper end of supporting sleeve is shaped with a squared counter bore, in this squared counter bore, steering wheel is installed, eccentric rotating shaft of installing a longitudinal direction on this steering wheel, rotating shaft and steering wheel adopt profile to be connected, make rotating shaft that steering wheel can be driven to rotate, rotating shaft upper end passes valve body and encloses 15 and valve seal by rotating shaft O shape, valve body fixes end cap 14 by bolt 13, the shoulder that this end cap is pressed in rotating shaft prevent rotating shaft from vertically moving, but rotating shaft can rotate in valve body, rotating shaft upper end above end cap is provided with indicator panel 9 successively, handle 10 and nut 11, locking handle is locked in rotating shaft by nut, indicator panel is fixed on end cap by pin 12 and prevents from rotating.
The steering wheel of the present embodiment can adopt cam structure or eccentric wheel structure.
The working principle of this switchable water filling safety check is as follows:
When medium flows along valve circulating direction, medium washes flap open, valve conducting; When medium generation adverse current, medium contacts to valve clack sealing surface flap refunds position with the sealing surface on lateral body, countercurrent pressure compresses flap, plays seal action.
Only need take off pin, rotatable handle 180 ° during valve commutation, then pin installed the adjustment that can realize flow direction valve.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (3)
1. a switchable water filling safety check, comprise valve body, lateral body, supporting sleeve, flap, gland, steering wheel and rotating shaft, medium channel is shaped with in the transverse uniaxial of valve body, the valve body at the axial two ends of medium channel installs two lateral bodys respectively by threaded coaxial symmetry, these two lateral bodys are all by being arranged on the lateral body seal with O ring between lateral body and valve body, in valve body, transverse uniaxial is provided with supporting sleeve, supporting sleeve bottom is shaped with the medium channel of a transverse direction, coaxially flap is slidably fitted with in supporting sleeve, it is characterized in that: the transverse ends of flap is all shaped with the sealing configuration coordinated with lateral body channel seal, this supporting sleeve installs gland by threaded coaxial in the middle part of axial one end, the transverse shifting of this gland restriction flap, longitudinal upper end of supporting sleeve is shaped with a squared counter bore, installs steering wheel in this squared counter bore, and eccentric rotating shaft of installing a longitudinal direction on this steering wheel, rotating shaft drives steering wheel to rotate, and steering wheel drives supporting sleeve transverse shifting in valve body.
2. switchable water filling safety check according to claim 1, it is characterized in that: rotating shaft upper end is passed valve body and enclosed and valve seal by rotating shaft O shape, valve body is bolted end cap, the shoulder that this end cap is pressed in rotating shaft prevent rotating shaft from vertically moving, rotating shaft upper end above end cap is provided with indicator panel, handle and nut successively, locking handle is locked in rotating shaft by nut, and indicator panel is fixed on end cap by pin.
3. switchable water filling safety check according to claim 1, is characterized in that: described steering wheel adopts cam structure or eccentric wheel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420716590.3U CN204312780U (en) | 2014-11-25 | 2014-11-25 | Switchable water filling safety check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420716590.3U CN204312780U (en) | 2014-11-25 | 2014-11-25 | Switchable water filling safety check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312780U true CN204312780U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420716590.3U Active CN204312780U (en) | 2014-11-25 | 2014-11-25 | Switchable water filling safety check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358899A (en) * | 2014-11-25 | 2015-02-18 | 天津百利展发集团有限公司 | Reversible water injection check valve |
-
2014
- 2014-11-25 CN CN201420716590.3U patent/CN204312780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358899A (en) * | 2014-11-25 | 2015-02-18 | 天津百利展发集团有限公司 | Reversible water injection check valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |