CN203162253U - Wafer type check valve - Google Patents
Wafer type check valve Download PDFInfo
- Publication number
- CN203162253U CN203162253U CN 201320154442 CN201320154442U CN203162253U CN 203162253 U CN203162253 U CN 203162253U CN 201320154442 CN201320154442 CN 201320154442 CN 201320154442 U CN201320154442 U CN 201320154442U CN 203162253 U CN203162253 U CN 203162253U
- Authority
- CN
- China
- Prior art keywords
- valve
- rotating shaft
- valve seat
- positioning block
- flap
- 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 wafer type check valve. The wafer type check valve comprises a valve body, a valve seat and a valve clack. A valve body channel is formed in the valve body, a valve seat channel is formed in the valve seat, the valve seat is arranged at the inlet end of the valve body channel in an embedded mode, the valve clack is located at one end, facing towards an outlet of the valve body channel, of the valve seat, the valve clack is hinged to the valve seat through a hinging assembly, and one end, facing towards the valve seat, of the valve clack is connected with the valve seat in a sealing mode. The hinging assembly comprises a rotary shaft which is fixedly arranged on the valve clack, an opening through groove which is matched with the rotary shaft in a rotary mode is formed in the valve seat, the bottom face of the opening through groove is provided with an arc face which is matched with the rotary shaft in shape, a locking block which is embedded in the opening through groove is arranged on the valve clack, a locating hole is formed in the locating block, the rotary shaft penetrates through the locating hole and then is arranged in the opening through groove in a sleeved mode, the rotary shaft and the locating block are fixed in the radial direction and connected in the circumferential direction in a rotary mode, and one end, facing towards the valve seat, of the valve clack is provided with a conic groove. The wafer type check valve has the advantages of being novel in structure and reasonable in design, and the check valve can automatically adjust the position between the valve clack and the valve seat within an error range.
Description
Technical field
The utility model relates to a kind of pipeline valve, especially a kind of Wafer Check Valves.
Background technique
Wafer Check Valves is the impulse force of the mobile generation of flowing medium in the tube road itself and opening and closing, and Wafer Check Valves comprises valve body, valve seat and flap, and existing Wafer Check Valves has Swing check valve, butterfly check valve and Lift check valve.The flap of Swing check valve is in the form of annular discs, and valve seat is provided with rotating shaft, and flap rotates around the shaft, and when fluid entered valve base channel, under the effect of fluid impulse force, flap was opened, and after fluid stopped to flow, flap fell to being connected with valve base sealing again.Passage in this valve seat is streamlined, and flow resistance is less, is fit to low flow velocity and uses with the fluid that seldom changes that flows.But because rate of flow of fluid is low, when fluid begins to flow through valve base channel, do not have enough impulse forces to open flap and flap and valve seat disengagement are tightly connected, make troubles to the operator; In addition, axis hole on the valve seat and the diameter of the rotating shaft on the flap be the size shape coupling normally, if the processing of the rotating shaft on the flap has error to cause the position between flap and the valve seat that skew is arranged easily slightly, because axis hole and rotating shaft are to closely cooperate, even error is arranged when installing, flap can not regulated automatically and can make and the imprecision that is tightly connected between flap and the valve seat can cause dielectric leakage under the serious situation.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of novel structure, Wafer Check Valves reasonable in design, this safety check can the automatic regulating valve lobe in margin of error and valve seat between the position.
To achieve these goals, the technical solution adopted in the utility model is: a kind of Wafer Check Valves, comprise valve body, valve seat and flap, valve body is provided with valve channel, valve seat is provided with the valve base channel that communicates with valve channel, valve seat is embedded at the entry end of valve channel, flap is positioned at valve seat towards an end of valve channel outlet, flap is hinged by hinge assembly and valve seat, flap is connected with valve base sealing towards an end of valve seat, described hinge assembly comprises the rotating shaft that is fixedly arranged on the flap, it is characterized in that: offer the opening groove that is rotatably assorted with described rotating shaft on the described valve seat, the bottom surface of described opening groove has the cambered surface with the rotating shaft form fit, described flap is provided with the positioning block that is embedded in the described opening groove, offers positioning hole on the positioning block, and described rotating shaft is sheathed in the opening groove after passing positioning hole, described rotating shaft and described positioning block are radially fixed and circumferentially are rotationally connected, and described flap is provided with cone shape groove towards an end of described valve seat.
As further setting of the present utility model, described rotating shaft periphery is provided with chimb, offers circular groove on the hole wall of described location, and described chimb is embedded in the described circular groove.
As further setting of the present utility model, described chimb is arranged continuously by projection spaced apart and is constituted.
As further setting of the present utility model, be connected by the curved arc transition between described projection and the projection.
As further setting of the present utility model, described rotating shaft comprises first rotating shaft and second rotating shaft, described positioning block comprises respectively with first, first positioning block and second positioning block that second rotating shaft cooperates, described first, second rotating shaft is distributed in the left and right sides of described flap center line, one end of described first rotating shaft and the described first positioning block radial location circumferentially are rotationally connected, the other end of first rotating shaft stretches out outside first positioning block and is rotatably assorted with an end of described opening groove, one end of described second rotating shaft and the described second positioning block radial location circumferentially are rotationally connected, the other end of the other end of second rotating shaft and described opening groove is rotatably assorted, and leaves the space between described first positioning block and second positioning block.
As further setting of the present utility model, described positioning block is provided with edge, and described opening groove wall is provided with the elongated slot with described edge snap fit.
As further setting of the present utility model, offer draw-in groove on the described valve seat, be embedded with the open type fixed steelring of being made by spring steel in the draw-in groove.
Adopt such scheme, the axis hole that valve seat and rotating shaft are rotatably assorted is the setting of opening groove, and the cross section of this opening groove is oval structure half, can make the flap in the vertical direction that a self-regulating space is arranged; Flap of the prior art is that both sides are smooth disc face, thereby the design of the cone tank of flap of the present utility model can make safety check also can open flap under the lower situation of rate of flow of fluid by the impulse force that cone tank concentrates on the top increase fluid of cone structure the impulse force of fluid.The rotating shaft outer circumferential face is provided with chimb, circumferentially is rotationally connected with the circular groove snap fit realization on the hole wall of location is radially fixing by chimb, and the position of this chimb and circular groove also can be to arrange respectively on location hole wall and the rotating shaft outer circumferential face.Rotating shaft can the split setting, hollow setting between first rotating shaft and second rotating shaft, and arranging like this can be when saving material and alleviating flap weight, and the length that prolongs two axle heads that rotating shaft is connected with the opening groove makes the hinged more stable of flap and valve seat.Positioning block cooperates with elongated slot on the opening groove wall by edge, elongated slot be vertical direction axially, the positioning block that is arranged so that of elongated slot can in the vertical direction have the space of activity, and the automatic adjusting space of rotating shaft in the vertical direction namely can be provided.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Accompanying drawing 2 is the utility model specific embodiment flap structural representation;
Accompanying drawing 3 is the utility model specific embodiment flap side view;
Accompanying drawing 4 is the utility model specific embodiment valve seat side view;
Accompanying drawing 5 is the utility model specific embodiment stationary balls structural representation;
Accompanying drawing 6 is specifically implemented rotating shaft and positioning block sectional arrangement drawing for the utility model.
Embodiment
Specific embodiment of the utility model is Wafer Check Valves shown in Fig. 1-6, comprise valve body 1, valve seat 2 and flap 3, valve body 1 is provided with valve channel 11, valve seat 2 is provided with the valve base channel 21 that communicates with valve channel 11, valve seat 2 is embedded at the entry end 11a of valve channel 11 and is tightly connected by seal ring, flap 3 is positioned at valve seat 2 towards the end of valve channel 11 outlet 11b, flap 3 is hinged by hinge assembly and valve seat 2, flap 3 is connected by seal with O ring towards an end of valve seat 2 and valve seat 2, hinge assembly comprises the rotating shaft 4 that is fixedly arranged on the flap 3, offer the opening groove 22 that is rotatably assorted with rotating shaft 4 on the valve seat 2, the bottom surface of opening groove 22 has the cambered surface with rotating shaft 4 form fit, flap 3 is provided with the positioning block 5 that is embedded in the opening groove 22, offer positioning hole on the positioning block 5, rotating shaft 4 is sheathed in the opening groove 22 after passing positioning hole, and rotating shaft 4 is radially fixed with positioning block 5 and circumferentially is rotationally connected, and flap 3 is provided with cone shape groove 31 towards an end of valve seat 2.
Above-mentioned rotating shaft 4 peripheries are provided with chimb 41, offer circular groove 51 on the hole wall of location, and chimb 41 is embedded in the circular groove 51.This chimb 41 is arranged continuously by projection spaced apart and is constituted.This projection can be rectangle, circle, ellipse or figure of eight structure.Be connected by the curved arc transition between projection and the projection, reduce the stress concentration phenomenon.
Above-mentioned rotating shaft 4 comprises first rotating shaft 42 and second rotating shaft 43, positioning block 5 respectively with first rotating shaft 42, first positioning block 52 and second positioning block 53 that second rotating shaft 43 cooperates, first rotating shaft 42, second rotating shaft 43 is distributed in the left and right sides of flap 3 center lines, one end of first rotating shaft 42 and 52 radial locations of first positioning block circumferentially are rotationally connected, the other end of first rotating shaft 42 stretches out outside first positioning block 52 and is rotatably assorted with an end of opening groove 22, one end of second rotating shaft 43 and 53 radial locations of second positioning block circumferentially are rotationally connected, the other end of the other end of second rotating shaft 43 and opening groove 22 is rotatably assorted, and leaves the space between first positioning block 52 and second positioning block 53.
Above-mentioned positioning block 5 is provided with edge 54, and opening groove 22 walls are provided with the elongated slot 221 with edge 54 snap fit, and the axial of this elongated slot 221 is vertical direction.Offer screw on the valve body 1, suspension ring 6 have been threaded in the screw.Offer draw-in groove 23 on the valve seat 2, be embedded with the open type fixed steelring of being made by spring steel 24 in the draw-in groove 23.
Claims (7)
1. Wafer Check Valves, comprise valve body, valve seat and flap, valve body is provided with valve channel, valve seat is provided with the valve base channel that communicates with valve channel, valve seat is embedded at the entry end of valve channel, flap is positioned at valve seat towards an end of valve channel outlet, flap is hinged by hinge assembly and valve seat, flap is connected with valve base sealing towards an end of valve seat, described hinge assembly comprises the rotating shaft that is fixedly arranged on the flap, it is characterized in that: offer the opening groove that is rotatably assorted with described rotating shaft on the described valve seat, the bottom surface of described opening groove has the cambered surface with the rotating shaft form fit, described flap is provided with the positioning block that is embedded in the described opening groove, offer positioning hole on the positioning block, described rotating shaft is sheathed in the opening groove after passing positioning hole, and described rotating shaft and described positioning block are radially fixed and circumferentially be rotationally connected, and described flap is provided with cone shape groove towards an end of described valve seat.
2. Wafer Check Valves according to claim 1, it is characterized in that: described rotating shaft periphery is provided with chimb, offers circular groove on the hole wall of described location, and described chimb is embedded in the described circular groove.
3. Wafer Check Valves according to claim 2 is characterized in that: described chimb is arranged continuously by projection spaced apart and is constituted.
4. Wafer Check Valves according to claim 3 is characterized in that: be connected by the curved arc transition between described projection and the projection.
5. Wafer Check Valves according to claim 4, it is characterized in that: described rotating shaft comprises first rotating shaft and second rotating shaft, described positioning block comprises respectively with first, first positioning block and second positioning block that second rotating shaft cooperates, described first, second rotating shaft is distributed in the left and right sides of described flap center line, one end of described first rotating shaft and the described first positioning block radial location circumferentially are rotationally connected, the other end of first rotating shaft stretches out outside first positioning block and is rotatably assorted with an end of described opening groove, one end of described second rotating shaft and the described second positioning block radial location circumferentially are rotationally connected, the other end of the other end of second rotating shaft and described opening groove is rotatably assorted, and leaves the space between described first positioning block and second positioning block.
6. according to claim 1 or 2 or 3 or 4 or 5 described Wafer Check Valves, it is characterized in that: described positioning block is provided with edge, and described opening groove wall is provided with the elongated slot with described edge snap fit.
7. Wafer Check Valves according to claim 6 is characterized in that: offer draw-in groove on the described valve seat, be embedded with the open type fixed steelring of being made by spring steel in the draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154442 CN203162253U (en) | 2013-03-29 | 2013-03-29 | Wafer type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154442 CN203162253U (en) | 2013-03-29 | 2013-03-29 | Wafer type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162253U true CN203162253U (en) | 2013-08-28 |
Family
ID=49023437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154442 Expired - Fee Related CN203162253U (en) | 2013-03-29 | 2013-03-29 | Wafer type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266548A (en) * | 2018-04-20 | 2018-07-10 | 广东万家乐燃气具有限公司 | Check-valves |
-
2013
- 2013-03-29 CN CN 201320154442 patent/CN203162253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266548A (en) * | 2018-04-20 | 2018-07-10 | 广东万家乐燃气具有限公司 | Check-valves |
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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 |
Granted publication date: 20130828 Termination date: 20160329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |