CN206449259U - A kind of check-valves - Google Patents
A kind of check-valves Download PDFInfo
- Publication number
- CN206449259U CN206449259U CN201621492588.8U CN201621492588U CN206449259U CN 206449259 U CN206449259 U CN 206449259U CN 201621492588 U CN201621492588 U CN 201621492588U CN 206449259 U CN206449259 U CN 206449259U
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- CN
- China
- Prior art keywords
- guide rod
- water
- groove
- flap
- check
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of check-valves, valve body and bonnet including interconnection, intake tunnel and exhalant canal are provided with valve body, water wall was provided between intake tunnel and exhalant canal, water wall is crossed provided with pilot hole, cross on water wall and the pilot hole is provided with some water-carrying grooves, guide rod is equipped with pilot hole, the bottom of guide rod is connected with pin, the top of guide rod is slidably in the guide groove on bonnet, spring is additionally provided between guide rod and guide groove, also it is fixedly connected with guide rod with crossing the flap that water wall cooperates, some partial pressure bars are provided between flap and guide rod.The guide rod of the present apparatus is provided with many places limit part, so that guide rod is not in planar offset and rotation, it is ensured that the precision of non-return, also increases service life；The present apparatus crosses water using water-carrying groove, is provided with sealing ring and seal groove, and sealing effectiveness is very good；The present apparatus is provided with partial pressure bar, makes to be unlikely to be broken between flap and guide rod.
Description
Technical field
The utility model is related to valve arrangement technical field, it particularly relates to a kind of check-valves.
Background technology
Check-valves flows and automatic open and close flap in itself by medium, for preventing the valve of medium refluence, belongs to a kind of
Automatic valve, its main function is to prevent medium from flowing backwards, prevent pump and drive motor from inverting, and vessel media is released.
Existing check valve seal effect is poor, and precision is low, easily flows back, simultaneously as impacted and often rocked by hydraulic pressure,
Extremely it is easily damaged, service life is short.
The problem of in correlation technique, effective solution is not yet proposed at present.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes a kind of check-valves, above-mentioned skill can solve the problem that
Art problem.
To realize above-mentioned technical purpose, what the technical solution of the utility model was realized in：
A kind of check-valves, includes being provided with intake tunnel in the valve body and bonnet of interconnection, the valve body and water outlet is logical
Road, was provided with water wall, the water wall of crossing is provided with pilot hole, described to cross on water wall between the intake tunnel and exhalant canal
It is provided with around the pilot hole on some water-carrying grooves, the pilot hole and is equipped with guide rod, the bottom connection of the guide rod
Have a pin, the top of the guide rod slidably in the guide groove on the bonnet, the guide rod and guide groove it
Between be additionally provided with and be also fixedly connected with spring, the guide rod with crossing the flap that water wall cooperates, the flap and guide rod
Between be provided with some partial pressure bars.
Further, the water-carrying groove is in sector.
Further, the spring is fixedly connected with the top of guide rod.
Further, the flap is provided with sealing ring, and the water wall excessively is close provided with what is be engaged with the sealing ring
Sealing groove.
Further, the seal groove is arranged at the outside of the water-carrying groove.
Further, the inwall of the guide groove is provided with chute, and the guide rod is provided with and is engaged with the chute
Sliding block.
The beneficial effects of the utility model：The guide rod of the present apparatus is provided with many places limit part, including pilot hole, guide groove
And chute, so that guide rod is not in planar offset, while will not also rotate, the precision of non-return is not only ensure that,
Also the service life of the present apparatus is considerably increased；The present apparatus crosses water using water-carrying groove, while sealing ring and seal groove are provided with, it is close
Seal effect very good；The present apparatus is provided with partial pressure bar between flap and guide rod, alleviates the transition between flap and guide rod
The stress concentration at place, is unlikely to be broken.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the sectional view of the check-valves according to the utility model embodiment；
Fig. 2 is the guide rod and pin and flap and sealing ring and partial pressure bar and sliding block according to the utility model embodiment
Structural representation；
Fig. 3 is the partial sectional view for crossing water wall according to the utility model embodiment.
In figure：
1st, valve body；2nd, bonnet；3rd, intake tunnel；4th, exhalant canal；5th, water wall is crossed；6th, guide rod；7th, pilot hole；8th, water is crossed
Groove；9th, seal groove；10th, guide groove；11st, spring；12nd, sliding block；13rd, pin；14th, sealing ring；15th, flap；16th, partial pressure bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
As Figure 1-3, a kind of check-valves according to the utility model embodiment, includes the valve body 1 of interconnection
With bonnet 2, intake tunnel 3 and exhalant canal 4 are provided with the valve body 1, is set between the intake tunnel 3 and exhalant canal 4
Water wall 5 was equipped with, the water wall 5 of crossing is provided with pilot hole 7, and described cross on water wall 5 is provided with some mistakes around the pilot hole 7
Guide rod 6 is equipped with tank 8, the pilot hole 7, the bottom of the guide rod 6 is connected with pin 13, the guide rod 6
In the guide groove 10 on the bonnet 2, spring slidably is additionally provided between the guide rod 6 and guide groove 10 for top
11, also it is fixedly connected with the guide rod 6 with crossing the flap 15 that water wall 5 cooperates, between the flap 15 and guide rod 6
Provided with some partial pressure bars 16.
Wherein, the water-carrying groove 8 is in sector.
Wherein, the spring 11 is fixedly connected with the top of guide rod 6.
Wherein, the flap 15 is provided with sealing ring 14, and the water wall 5 of crossing is provided with what is be engaged with the sealing ring 14
Seal groove 9.
Wherein, the seal groove 9 is arranged at the outside of the water-carrying groove 8.
Wherein, the inwall of the guide groove 10 is provided with chute, and the guide rod 6 is provided with what is be engaged with the chute
Sliding block 12.
Wherein, the distance between pin and flap 15 were more than 2 times of the thickness of water wall 5, and pin 13 is on water wall 5 is crossed
Projection is fallen between any two water-carrying groove 8.
Above-mentioned technical proposal of the present utility model is understood for convenience, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, according to a kind of check-valves described in the utility model, when current from intake tunnel 3 flow to water outlet
During passage 4, hydraulic pressure compresses the jack-up of flap 15, spring 11, and current flow into exhalant canal 4 by water-carrying groove 8；When current have water outlet
Passage 4 to intake tunnel 3 flow back when, flap 15 blocks water-carrying groove 8, and sealing ring 14 is connected with seal groove 9, and then water can not
Backflow.
In summary, by means of above-mentioned technical proposal of the present utility model, the guide rod 6 of the present apparatus is provided with many places limiting section
Point, including pilot hole 7, guide groove 10 and chute, so that guide rod 6 is not in planar offset, while will not also revolve
Turn, not only ensure that the precision of non-return, also considerably increase the service life of the present apparatus；The present apparatus crosses water using water-carrying groove 8, together
When be provided with sealing ring 14 and seal groove 9, sealing effectiveness is very good；The present apparatus is provided with partial pressure between flap 15 and guide rod 6
Bar 16, alleviates the stress concentration of the transition position between flap 15 and guide rod 6, is unlikely to be broken.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of check-valves, includes the valve body of interconnection（1）And bonnet（2）, it is characterised in that the valve body（1）It is interior to set
There is intake tunnel（3）And exhalant canal（4）, the intake tunnel（3）And exhalant canal（4）Between be provided with water wall（5）, institute
Stated water wall（5）It is provided with pilot hole（7）, it is described to cross water wall（5）It is upper to surround the pilot hole（7）It is provided with some water-carrying grooves
（8）, the pilot hole（7）On be equipped with guide rod（6）, the guide rod（6）Bottom be connected with pin（13）, it is described to be oriented to
Bar（6）Top slidably be located at the bonnet（2）On guide groove（10）It is interior, the guide rod（6）With guide groove（10）
Between be additionally provided with spring（11）, the guide rod（6）On be also fixedly connected with cross water wall（5）The flap of mutual cooperation（15）,
The flap（15）With guide rod（6）Between be provided with some partial pressure bars（16）.
2. check-valves according to claim 1, it is characterised in that the water-carrying groove（8）In sector.
3. check-valves according to claim 1, it is characterised in that the spring（11）With guide rod（6）Top fix
Connection.
4. check-valves according to claim 1, it is characterised in that the flap（15）It is provided with sealing ring（14）, it is described
Cross water wall（5）It is provided with and the sealing ring（14）The seal groove being engaged（9）.
5. check-valves according to claim 4, it is characterised in that the seal groove（9）It is arranged at the water-carrying groove（8）'s
Outside.
6. the check-valves according to any one of claim 1-5, it is characterised in that the guide groove（10）Inwall on set
There are chute, the guide rod（6）Provided with the sliding block being engaged with the chute（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492588.8U CN206449259U (en) | 2016-12-30 | 2016-12-30 | A kind of check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492588.8U CN206449259U (en) | 2016-12-30 | 2016-12-30 | A kind of check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206449259U true CN206449259U (en) | 2017-08-29 |
Family
ID=59670858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492588.8U Active CN206449259U (en) | 2016-12-30 | 2016-12-30 | A kind of check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206449259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185507A (en) * | 2018-10-11 | 2019-01-11 | 浙江欧盾国际救援装备有限公司 | Check valve and oil pumping device with check valve |
-
2016
- 2016-12-30 CN CN201621492588.8U patent/CN206449259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185507A (en) * | 2018-10-11 | 2019-01-11 | 浙江欧盾国际救援装备有限公司 | Check valve and oil pumping device with check valve |
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| GR01 | Patent grant |