CN203979528U - A kind of one-way valve - Google Patents
A kind of one-way valve Download PDFInfo
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- CN203979528U CN203979528U CN201420436924.1U CN201420436924U CN203979528U CN 203979528 U CN203979528 U CN 203979528U CN 201420436924 U CN201420436924 U CN 201420436924U CN 203979528 U CN203979528 U CN 203979528U
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- spool
- valve body
- gib block
- valve
- way valve
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Abstract
The utility model provides a kind of one-way valve, belongs to technical field of valve manufacturing.It has solved the problems such as existing one-way valve flow firm degree less, that install is low.This one-way valve comprises valve body, spool, valve rod, spring and guiding end cap, on the circumferential outer side wall of guiding end cap, be fixed with some gib blocks, gib block is along the axial setting of valve body, the front end of gib block is connected mutually with valve body, spool, valve rod is positioned at the space that some gib blocks surround, spool is resisted against on valve body, and seal ring one is set between spool and valve body, the circumferential outer side wall of spool contacts with the madial wall of gib block, one end of valve rod is connected mutually with spool, the other end is located in guiding end cap, spring housing is outside valve rod, and one end of spring is resisted against on spool, the other end is resisted against guide end and covers.This one-way valve have flow large, firm degree advantages of higher is installed.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates to a kind of one-way valve.
Background technique
Common valve only has unlatching, closes and controls the function of fluid flow, wants to make fluid not flow backwards, and a safety check must be set in valve.Traditional check valve structure general expression adopts a dish spring and flap, its working principle is on valve seat, to realize non-return sealing by settling flap to be in the central expressed to, traditional safety check must carry out screw thread processing to pipeline when mounted, trouble is installed, inefficiency, conventional check valves is in the time opening, fluid can fluctuate, and then cause the vibrations of dish spring or flap, thereby cause noise, working life that simultaneously also can reduction dish spring.
People make improvement for this reason, and for example Chinese patent literature data discloses a kind of counterflow-preventing safety check [application number 201020537704.X; Notice of authorization number: CN201858400U], it comprises outer upper casing, inner spool, outside lower round shell, inner spool is loaded in outer upper casing, and outside lower round shell and outer upper casing are affixed, between inner spool and outside lower round shell, be provided with a spring, outside lower round shell is provided with a valve opening, and inner spool lower end is placed in the valve opening of outside lower round shell, and the upper-end surface of inner spool peaks at outer upper casing under the effect of spring.
The counterflow-preventing safety check of this kind of structure, outer upper casing is tubular, inner spool entirety is positioned at outer upper casing, fluid enters from the port of outside lower round shell and flows out from the water intake of outer upper casing, owing to also thering is inner spool in outer upper casing, spring etc., make the circulation area of this counterflow-preventing safety check less, the flow that is fluid is less, and outer upper casing, the outside of outside lower round shell lacks one makes this counterflow-preventing safety check better be fixed on the structure in pipe, counterflow-preventing safety check is after being installed in pipe, under the impact of fluid, exist mobile, depart from the possibility of mounting point, the firm degree of installing is low.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of one-way valve is provided, and solves and how to make existing one-way valve flow large.
The purpose of this utility model can realize by following technical proposal: a kind of one-way valve, it is characterized in that, comprise valve body, spool, valve rod, spring and guiding end cap, on the circumferential outer side wall of described guiding end cap, be fixed with some gib blocks, described gib block is along the axial setting of valve body, the front end of described gib block is connected mutually with valve body, described spool, valve rod is positioned at the space that some gib blocks surround, described spool is resisted against on valve body, and seal ring one is set between described spool and valve body, the circumferential outer side wall of described spool contacts with the madial wall of gib block, one end of described valve rod is connected mutually with spool, the other end is located in guiding end cap, described spring housing is outside valve rod, and one end of described spring is resisted against on spool, the other end is resisted against guide end and covers.
This one-way valve is arranged in pipe, and the outer side wall of gib block and the madial wall of pipe fit, when the elastic force that overcomes spring when fluid backs down spool, spool moves along gib block, valve rod moves along guiding end cap, and the moving stability of spool, valve rod is good, and fluid flows steadily; Because valve body and guiding are to be connected mutually by some gib blocks between end cap, between two adjacent gib blocks, there is gap, be directly to flow out from the gap location between two adjacent gib blocks after fluid backs down spool, the type of flow of the fluid that this kind of structure forms, greatly increase the circulation area of one-way valve, made the flow of the fluid by this one-way valve large.
In above-mentioned a kind of one-way valve, on the outer side wall of described gib block rear end, there is projection, the end of described gib block rear end axially has a groove along valve body, and described projection is less than the distance of bottom portion of groove to gib block rear end end face to the distance of gib block rear end end face.This one-way valve is installed in pipe, the outer side wall of gib block and the madial wall of pipe fit, in pipe, there is the draw-in groove matching with raised line, the existence of groove make raised line can better inlay card in draw-in groove, when inlay card, the sidewall of the groove one side deformation of products that curves inwardly, what make that one-way valve and pipe can be tighter is connected mutually, even if fluid is very large by the flow of this one-way valve, this one-way valve can not be offset original mounting point yet, and the firm degree of installation is high.
In above-mentioned a kind of one-way valve, the front end of described gib block is fixed with snap ring, on the madial wall of described snap ring, has ring rib, on the outer side wall of described valve body, has annular slot, and described ring rib is embedded in annular slot.Be embedded in annular slot by ring rib, gib block is connected mutually with valve body, interface arrangment is simple in structure, and the firm degree of connection is high.
In above-mentioned a kind of one-way valve, described annular slot comprises the bottom surface that radially arranges along valve body and the inclined-plane axially with 10-30 degree angle with valve body.One-way valve is installed in pipe, and the outer side wall of snap ring just fits with the madial wall of pipe, and fluid impact valve body can only make snap ring and valve body better be connected, and can not come off, and as long as an inclined-plane of processing is easy to process.
In above-mentioned a kind of one-way valve, on the circumferential outer side wall of described spool, there is annular against ring, described annular contacts with the madial wall of gib block against the outer side wall of ring.Annular, against the existence of ring, can better contact with gib block spool, makes gib block play better leading role to spool, makes seal ring one can better seal this one-way valve.
In above-mentioned a kind of one-way valve, on the madial wall of described valve body, there is the annular abutment facing being obliquely installed, described seal ring one is resisted against on annular abutment facing.Be obliquely installed, seal ring one can better be contacted with annular abutment facing, good sealing effect.
In above-mentioned a kind of one-way valve, the quantity of described gib block is 3-6 root, and on the equally spaced circumferential outer side wall that is connected in guiding end cap of gib block.The quantity of gib block is set according to actual conditions, and spaced set makes to flow evenly by the fluid of valve body, and the flow stability of fluid is good.
In above-mentioned a kind of one-way valve, on the outer side wall of described valve body, there is packing holder, in described packing holder, be provided with seal ring two.This one-way valve is fixed in pipe, the gap between seal ring two leakproof one-way valves and pipe, and good sealing effect, fluid can seepage.
Compared with prior art, the one-way valve that the utility model provides has the following advantages:
1, this one-way valve valve body is less along the axial width of valve body, and fluid, by after valve body, directly passes through the gap between two adjacent gib blocks, and the cross-sectional flow area of fluid is large, and discharge value is large.
2, the gib block of this one-way valve plays the effect of guiding to the movement of spool, guiding end cap plays the effect of guiding to the movement of valve rod, make spool and valve rod good stability in the time moving left and right, and fluid flows steadily, seal ring one can better move into place, good sealing effect.
3, the rear end of this one-way valve gib block arranges projection and groove, on the madial wall of pipe, there is the draw-in groove matching with projection, one-way valve is installed in pipe, the sidewall of groove one side produces bending deflection, projection is embedded in draw-in groove, thereby one-way valve is firmly arranged in pipe, even if the flow of the fluid by this one-way valve is very large, one-way valve also can not move, and firm degree is installed high.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of this one-way valve.
Fig. 2 is the overall structure sectional view of this one-way valve.
Fig. 3 is the enlarged view of this one-way valve Fig. 2 a-quadrant.
Fig. 4 is the structural representation of this inner elements of check valve and valve rod.
Fig. 5 is the overall structure schematic diagram of this one-way valve valve body.
In figure, 1, valve body; 2, spool; 3, valve rod; 4, spring; 5, guiding end cap; 6, gib block; 61, front end; 62, rear end; 7, seal ring one; 8, projection; 9, groove; 10, snap ring; 11, ring rib; 12, annular slot; 121, bottom surface; 122, inclined-plane; 13, annular is against ring; 14, annular abutment facing; 15, seal ring two.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 and Figure 2, this one-way valve comprises valve body 1, spool 2, valve rod 3, spring 4, guiding end cap 5, gib block 6, seal ring 1, snap ring 10 and seal ring 2 15.
As shown in Figure 5, valve body 1 is tubular, and valve body 1 is less along the axial width of valve body 1.On the outer side wall of valve body 1, there is packing holder, in packing holder, be provided with seal ring 2 15.As shown in Figure 2 and Figure 3, on the outer side wall of valve body 1 water outlet end, there is annular slot 12, annular slot 12 comprises the bottom surface 121 that radially arranges along valve body 1 and the inclined-plane axially with 16 degree angles 122 with valve body 1, in actual production, this angle can be 10 degree or 30 degree, i.e. the rectangular triangle in the cross section of annular slot 12.On the madial wall of valve body 1 water outlet end, there is the annular abutment facing 14 being obliquely installed.
The axial centre of guiding end cap 5 has pilot hole, and in the present embodiment, the outer side wall equal intervals of guiding end cap 5 is fixed with four gib blocks 6, and in actual production, the quantity of gib block 6 can be three or six, and gib block 6 is along the axial setting of valve body 1.The front end 61 of gib block 6 is fixed with snap ring 10, has ring rib 11 on the madial wall of snap ring 10, and ring rib 11 is embedded in annular slot 12, and valve body 1, gib block 6 are connected mutually.The rear end 62 of gib block 6 is connected mutually with guiding end cap 5, on the outer side wall of gib block 6 rear ends 62, there is projection 8, the end of gib block 6 rear ends 62 axially has a groove 9 along valve body 1, projection 8 is less than the distance of groove 9 bottoms to gib block 6 rear end 62 end faces to the distance of gib block 6 rear end 62 end faces, push down projection 8, the sidewall of groove 9 one sides can bending deflection.
As shown in Figure 2, Figure 4 shows, spool 2, valve rod 3 are positioned at the space that four gib blocks 6 surround, and on spool 2, cover has seal ring 1, seal ring 1 to be resisted against on the annular abutment facing 14 of valve body 1, makes spool 2 sealed valve bodies 1, makes one-way valve closure.On the circumferential outer side wall of spool 2, have annular against ring 13, annular contacts with the madial wall of gib block 6 against the outer side wall of ring 13.One end of valve rod 3 is connected mutually with spool 2, and the other end is located in the pilot hole of guiding end cap 5.Spring 4 is enclosed within outside valve rod 3, and one end of spring 4 is resisted against on spool 2, and the other end is resisted against on guiding end cap 5, makes spool 2, seal ring 1 have all the time the trend of closed this one-way valve.
When use, this one-way valve is installed in pipe, and seal ring 2 15, gib block 6 and projection 8 fit with the madial wall of pipe, certainly in pipe, also can have the draw-in groove matching with projection 8, projection 8 is embedded in draw-in groove, and this one-way valve is more firmly arranged in pipe.Pipe forms to projection 8 sidewall that pushes and press askew groove 9, makes the sidewall of groove 9 produce the elastic force of reinstatement, and projection 8 and pipe are better connected.When the elastic force that overcomes spring 4 when fluid is washed spool 2 open, spool 2 moves along gib block 6, and valve rod 3 moves along guiding end cap 5, the moving stability is good, and fluid directly passes through the gap between two adjacent gib blocks 6 by valve body 1, and the circulation area of this one-way valve is large, and flow is large.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used valve body 1, spool 2, valve rod 3, spring 4, guiding end cap 5, gib block 6, front end 61, rear end 62, seal ring 1, projection 8, groove 9, snap ring 10, ring rib 11, annular slot 12, bottom surface 121, inclined-plane 122, annular against terms such as ring 13, annular abutment facing 14, seal rings 2 15 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. an one-way valve, it is characterized in that, comprise valve body (1), spool (2), valve rod (3), spring (4) and guiding end cap (5), on the circumferential outer side wall of described guiding end cap (5), be fixed with some gib blocks (6), described gib block (6) is along the axial setting of valve body (1), the front end (61) of described gib block (6) is connected mutually with valve body (1), described spool (2), valve rod (3) is positioned at the space that some gib blocks (6) surround, described spool (2) is resisted against on valve body (1), and between described spool (2) and valve body (1), seal ring one (7) is set, the circumferential outer side wall of described spool (2) contacts with the madial wall of gib block (6), one end of described valve rod (3) is connected mutually with spool (2), the other end is located in guiding end cap (5), described spring (4) is enclosed within outside valve rod (3), and one end of described spring (4) is resisted against on spool (2), the other end is resisted against on guiding end cap (5).
2. a kind of one-way valve according to claim 1, it is characterized in that, on the outer side wall of described gib block (6) rear end (62), there is projection (8), the end of described gib block (6) rear end (62) axially has a groove (9) along valve body (1), and described projection (8) is less than the distance of groove (9) bottom to gib block (6) rear end (62) end face to the distance of gib block (6) rear end (62) end face.
3. a kind of one-way valve according to claim 2, it is characterized in that, the front end (61) of described gib block (6) is fixed with snap ring (10), on the madial wall of described snap ring (10), there is ring rib (11), on the outer side wall of described valve body (1), have annular slot (12), described ring rib (11) is embedded in annular slot (12).
4. a kind of one-way valve according to claim 3, it is characterized in that, described annular slot (12) comprises the bottom surface (121) that radially arranges along valve body (1) and the inclined-plane axially with 10-30 degree angle (122) with valve body (1).
5. according to a kind of one-way valve described in claim 1 or 2 or 3 or 4, it is characterized in that, on the circumferential outer side wall of described spool (2), have annular against ring (13), described annular contacts with the madial wall of gib block (6) against the outer side wall of ring (13).
6. according to a kind of one-way valve described in claim 1 or 2 or 3 or 4, it is characterized in that, on the madial wall of described valve body (1), have the annular abutment facing (14) being obliquely installed, described seal ring one (7) is resisted against on annular abutment facing (14).
7. according to a kind of one-way valve described in claim 1 or 2 or 3 or 4, it is characterized in that, the quantity of described gib block (6) is 3-6 root, and on the equally spaced circumferential outer side wall that is connected in guiding end cap (5) of gib block (6).
8. according to a kind of one-way valve described in claim 1 or 2 or 3 or 4, it is characterized in that, on the outer side wall of described valve body (1), there is packing holder, in described packing holder, be provided with seal ring two (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436924.1U CN203979528U (en) | 2014-08-04 | 2014-08-04 | A kind of one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436924.1U CN203979528U (en) | 2014-08-04 | 2014-08-04 | A kind of one-way valve |
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| Publication Number | Publication Date |
|---|---|
| CN203979528U true CN203979528U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420436924.1U Active CN203979528U (en) | 2014-08-04 | 2014-08-04 | A kind of one-way valve |
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| CN (1) | CN203979528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626172A (en) * | 2018-07-17 | 2018-10-09 | 浙江绿美泵业有限公司 | A kind of Novel submersible pump |
| CN109268547A (en) * | 2018-11-28 | 2019-01-25 | 浙江艾默樱网络科技有限公司 | A kind of vibration proof electric water heater safety valve |
| CN112923107A (en) * | 2021-02-04 | 2021-06-08 | 浙江精邑丰科技有限公司 | Check valve |
-
2014
- 2014-08-04 CN CN201420436924.1U patent/CN203979528U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626172A (en) * | 2018-07-17 | 2018-10-09 | 浙江绿美泵业有限公司 | A kind of Novel submersible pump |
| CN108626172B (en) * | 2018-07-17 | 2023-08-29 | 绿美泵业有限公司 | Submersible pump |
| CN109268547A (en) * | 2018-11-28 | 2019-01-25 | 浙江艾默樱网络科技有限公司 | A kind of vibration proof electric water heater safety valve |
| CN109268547B (en) * | 2018-11-28 | 2023-10-27 | 浙江负正机械有限公司 | Vibration-proof safety valve of electric water heater |
| CN112923107A (en) * | 2021-02-04 | 2021-06-08 | 浙江精邑丰科技有限公司 | Check valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |