CN206738646U - A kind of dual fail-safe check valve - Google Patents
A kind of dual fail-safe check valve Download PDFInfo
- Publication number
- CN206738646U CN206738646U CN201720016112.5U CN201720016112U CN206738646U CN 206738646 U CN206738646 U CN 206738646U CN 201720016112 U CN201720016112 U CN 201720016112U CN 206738646 U CN206738646 U CN 206738646U
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- Prior art keywords
- magnet
- hole
- valve
- plug
- endoporus
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Abstract
It the utility model is related to a kind of dual fail-safe check valve.The device includes valve body, hollow valve element is plugged with the valve pocket of valve body, gap between valve interior wall and valve element is constituted into passage, the hollow structure of valve element constitutes passing away, passing away includes first and passes through hole, first is provided with for blocking the first plug by hole by hole, the first magnet is provided with the middle part of passing away, elastomeric element is provided between plug and the first magnet, the outlet side of passing away is provided with second and passes through hole, second is provided with for blocking second the second magnet by hole by hole, first magnet and the second magnet are attracting.Due to the presence of elastomeric element, plug can block first and pass through hole, due to the first magnet and the second magnet isotropic, second magnet can block second and pass through hole, during the traveling of automobile, with the vibrations of automobile, plug, the first magnet and the second magnet are servo-actuated in valve pocket, monolithic stability is kept, forms dynamic sealing.
Description
Technical field
It the utility model is related to a kind of check valve, more particularly to a kind of dual fail-safe check valve.
Background technology
The patent of entitled magnet-type check valve, the application number of the patent are disclosed in existing Chinese patent database
For：201420324686.5, applying date 2014.06.18, Authorization Notice No. are the U of CN 203880160, and authorized announcement date is
2014.10.15 its structure includes：Valve body, poppet valve core, valve seat and back-up ring, it is characterised in that：The poppet valve core top and valve body
Between be annular magnetic shield bottom, and the upper inner of annular magnetic shield is provided with valve element annular permanent magnet, the valve element annular
The centre bore of permanent magnet is engaged with the through hole of poppet valve core；The hollow magnetic shield of spill is provided with below the valve seat, and spill is hollow
Valve seat annular permanent magnet is provided with inside magnetic shield, the centre bore of the valve seat annular permanent magnet is engaged with the through hole of valve seat；Institute
Valve element annular permanent magnet and the incorgruous arrangement of valve seat annular permanent magnet are stated, it is mutually exclusive.It is disadvantageous in that：Due to the device only
There is a poppet valve core, when poppet valve core damage or poor sealing, the device is difficult to work on, while the device is not suitable for
In the working environment of high pressure, the performance and less stable of the device.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of high pressure, shockproof and steady of being applied to
Qualitative more excellent dual fail-safe check valve.
In order to realize the purpose of above-mentioned utility model, technical solution adopted in the utility model：
A kind of dual fail-safe check valve, include hollow valve body, hollow valve element, valve are plugged with the valve pocket of the valve body
The gap between wall and valve element is constituted into passage in vivo, and the hollow structure of the valve element constitutes passing away, described
Passing away includes connect with into passage first by hole, and first is used to seal against being provided with flow direction by hole
Stifled first plug by hole, the first magnet is provided with the middle part of passing away, is set between described plug and the first magnet
There is the elastomeric element for the plug that rebounds, it is inverse by hole by hole, described second that the outlet side of passing away is provided with second
And be provided with flow direction for blocking second the second magnet by hole, the first magnet and the second magnet are attracting.
During utility model works, extraneous medium and valve body are connected, medium is flowed to valve element first along and into passage
By hole, medium is opened valve element first is blocked in by the plug top in hole, and medium will be blocked in second by second on hole again
Magnet top is opened, and medium is discharged out of this valve body.
In order to strengthen plug and the first sealing coordinated by hole, while strengthen the second magnet and coordinated with second by hole
Sealing, described first is arranged to inner conical surface by hole and plug joint place, and described second is bonded by hole with the second magnet
Place is arranged to inner conical surface.
In order to strengthen plug and the first sealing coordinated by hole, the second magnet of enhancing passes through the close of hole cooperation with second
Feng Xing, at the same absorb plug and first when being coordinated by hole, the second magnet and the second vibrations when being coordinated by hole, described is stifled
Elasticity layer is wrapped up on head and the second magnet.
In order to prevent valve element from being rocked in valve pocket, so as to influence overall performance and stability, in the valve pocket of the valve body
Some the first fins for being used to position valve element are arranged at intervals with wall, the inwall of valve element and valve pocket is spaced composition by the first fin
Enter passage.
In order to prevent plug from being rocked in passing away, while it is easy to fluid to be flowed through in passing away, the discharge is logical
The inwall in road is provided with several the second fins with plug sliding contact, and the second fin is by the inwall phase of plug and passing away
Every constituting the gap of flow of fluid.
In order to prevent the first magnet from being rocked in passing away, while it is easy to fluid to be flowed through in passing away, discharge is logical
The inwall in road be additionally provided with several be used for position the first magnet the 3rd fin, the 3rd fin is by the first magnet and passing away
Inwall be separated by, constitute the gap that fluid passes through.
In order to avoid the first magnet blocks second by hole, influence fluid and led to by second by hole, described discharge
Road, which is provided with, prevents the first magnet to the second support moved by hole.
For the ease of dismounting or installed plug, the first magnet and the second magnet, described valve element includes the upper of grafting successively
Valve element, middle valve element and bottom spool, the upper valve core is provided with first by hole and the first endoporus of the plug that is slidably connected, described
Middle valve element is provided with the 3rd endoporus of the second endoporus and second magnet that is slidably connected of placing the first magnet, the second endoporus and the
Be provided between three endoporus connect the two second pass through hole.
In order to avoid plug, the first magnet and the second magnet rock in valve element, so as to influence the performance of whole device, institute
The second fin that several are disposed with the first endoporus of upper valve core with plug sliding contact is stated, the second fin is by plug with discharging
The inwall of passage is separated by, and constitutes the gap that fluid passes through, be disposed with the second endoporus of the middle valve element several be used for it is fixed
The inwall of first magnet and the second endoporus is separated by by the 3rd fin of the first magnet of position, the 3rd fin, constitutes what fluid passed through
Gap, be disposed with the 3rd endoporus of the middle valve element it is some will with the second magnet sliding contact the 4th fin, the 4th fin
The inwall of second magnet and the 3rd endoporus is separated by, and constitutes the gap that fluid passes through.
In order to ensure the overall sealing of the device, junction, middle valve element between described upper valve core and middle valve element with
The junction of junction, bottom spool and valve body between bottom spool is both provided with sealing ring.
Compared with prior art, the beneficial effects of the utility model are：Due to the presence of elastomeric element, plug can block
The first of passing away is by hole, and due to the first magnet and the second magnet isotropic, the second magnet can block passing away
Second by hole, during the traveling of automobile, with the vibrations of automobile, plug, the first magnet and the second magnet are in valve pocket
It is interior servo-actuated, monolithic stability is kept, forms dynamic sealing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 top view.
Fig. 3 is along the sectional view in A-A directions in Fig. 2.
Wherein, 1 valve body, 101 valve pockets, 102 first fins, 2 valve elements, 201 upper valve cores, valve element in 202,203 bottom spools,
204 first endoporus, 205 second endoporus, 206 the 3rd endoporus, 207 second fins, 208 the 3rd fins, 209 the 4th fins, 3 enter
Passage, 4 passing aways, 401 first by hole, and 402 second by hole, 5 plugs, 501 elastomeric elements, 6 first magnets, 601
Frame, 7 second magnets, 8 elastic layers, 9 sealing rings.
Embodiment
It is a kind of dual fail-safe check valve as described in Fig. 1~3, includes hollow valve body 1, the interpolation of valve pocket 101 of valve body 1
Hollow valve element 2 is connected to, in order to prevent valve element 2 from being rocked in valve pocket 101, so as to influence overall performance and stability, valve body 1
The inwall of valve pocket 101 on be arranged at intervals with it is some be used to positioning the first fins 102 of valve element 2, the first fin 102 by valve element 2 with
The inwall of valve pocket 101, which is spaced, to be constituted into passage 3, for the ease of dismounting or installed plug 5, the first magnet 6 and the second magnetic
Body 7, valve element 2 is including the upper valve core 201 of grafting, middle valve element 202 and bottom spool 203, upper valve core 201 are provided with first and passed through successively
Hole 401 and the first endoporus 204 of the plug 5 that is slidably connected, middle valve element 202 are provided with the second endoporus 205 for placing the first magnet 6
And the 3rd endoporus 206 of second magnet 7 that is slidably connected, it is provided between the second endoporus 205 and the 3rd endoporus 206 and connects the two
Second by hole 402, it is whole so as to influence in order to avoid plug 5, the first magnet 6 and the second magnet 7 rock in valve element 2
The performance of device, several the second fins 207 with the sliding contact of plug 5 are disposed with the first endoporus 204 of upper valve core 201,
The inwall of plug 5 and passing away 4 is separated by by the second fin 207, constitutes the gap that fluid passes through, and the second of middle valve element 202
Be disposed with endoporus 205 several be used for position the first magnet 6 the 3rd fin 208, the 3rd fin 208 by the first magnet 6 and
The inwall of second endoporus 205 is separated by, and constitutes the gap that fluid passes through, is disposed with the 3rd endoporus 206 of middle valve element 202 some
With the 4th fin 209 of the sliding contact of the second magnet 7, the 4th fin 209 is by the inwall phase of the second magnet 7 and the 3rd endoporus 206
Every constituting the gap that fluid passes through, the hollow structure of valve element 2 constitutes passing away 4, and passing away 4 includes and entered
Passage 3 connect first by hole 401, first passes through hole against being provided with flow direction by hole 401 for blocking first
401 plug 5, the first magnet 6 is provided with the middle part of passing away 4, is provided between the magnet 6 of plug 5 and first and is used to rebound
The elastomeric element 501 of plug 5, second is provided with by hole 402 in the outlet side of passing away 4, second by hole 402 against stream
It is provided with body direction for blocking second the second magnet 7 by hole 402, the first magnet 6 and the second magnet 7 are attracting, in order to
Avoid the first magnet 6 from blocking second by hole 402, influence fluid and be provided with and prevent by hole 402, passing away 4 by second
First magnet 6 is to the second support 601 moved by hole 402, in order to strengthen the sealing that plug 5 and first is coordinated by hole 401
Property, strengthen the second magnet 7 and the second sealing coordinated by hole 402, while absorb plug 5 and coordinate with first by hole 401
When, the second magnet 7 and the second vibrations when being coordinated by hole 402, wrap up elasticity layer 8 on the magnet 7 of plug 5 and second, in order to
The sealing that is coordinated by hole 401 of enhancing plug 5 and first, at the same the second magnet 7 of enhancing coordinated with second by hole 402 it is close
Feng Xing, first is arranged to inner conical surface by hole 401 and the joint place of plug 5, and cone passes through hole against fluid flow direction, second
402 and the joint place of the second magnet 7 be arranged to inner conical surface, cone is against fluid flow direction, in order to ensure overall close of the device
Feng Xing, the junction between junction, middle valve element 202 and bottom spool 203 between upper valve core 201 and middle valve element 202, bottom spool
203 are both provided with sealing ring 9 with the junction of valve body 1.
During work, extraneous medium and valve body 1 are connected, medium is passed through hole along and into passage 3 flows to valve element 2 first
401, medium is opened be blocked in valve element 2 first by the top of plug 5 in hole 401, and medium will be blocked in second by hole 402 again
The second magnet 7 top open, medium is discharged out of this valve body 1.
The utility model is not limited to above-described embodiment, on the basis of technical scheme disclosed in the utility model, this
The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour can is special to some of which technology
Sign makes some and replaces and deform, and these are replaced and deformed in the scope of protection of the utility model.
Claims (10)
1. a kind of dual fail-safe check valve, include hollow valve body, hollow valve element, valve body are plugged with the valve pocket of the valve body
Gap between inwall and valve element is constituted into passage, and the hollow structure of the valve element constitutes passing away, and its feature exists
In：Described passing away includes connected with into passage first by hole, first by hole against being set at flow direction
It is equipped with for blocking the first plug by hole, the first magnet, described plug and first is provided with the middle part of passing away
It is provided between magnet and is used for the elastomeric element of plug of rebounding, second is provided with by hole in the outlet side of passing away, described the
Two-way via at flow direction against being provided with for blocking second the second magnet by hole, the first magnet and the second magnet phase
Inhale.
A kind of 2. dual fail-safe check valve according to claim 1, it is characterised in that：Described first is bonded by hole with plug
Place is arranged to inner conical surface, and described second is arranged to inner conical surface by hole and the second magnet joint place.
A kind of 3. dual fail-safe check valve according to claim 1, it is characterised in that：Wrapped on described plug and the second magnet
It is wrapped with elastic layer.
A kind of 4. dual fail-safe check valve according to claim 1, it is characterised in that：It is spaced on the valve pocket inwall of the valve body
Some the first fins for being used to position valve element are provided with, the inwall of valve element and valve pocket is spaced by the first fin to be constituted into logical
Road.
A kind of 5. dual fail-safe check valve according to claim 1, it is characterised in that：The inwall of the passing away is provided with
The inwall of plug and passing away is separated by by several second fins with plug sliding contact, the second fin, constitutes fluid
The gap of flowing.
A kind of 6. dual fail-safe check valve according to claim 1, it is characterised in that：If the inwall of passing away is additionally provided with
The inwall of first magnet and passing away is separated by, constituted by dry the 3rd fin for being used to position the first magnet, the 3rd fin
The gap that fluid passes through.
A kind of 7. dual fail-safe check valve according to claim 1, it is characterised in that：Described passing away, which is provided with, prevents the
One magnet to second by hole move support.
A kind of 8. dual fail-safe check valve according to claim 1, it is characterised in that：Described valve element includes grafting successively
Upper valve core, middle valve element and bottom spool, the upper valve core are provided with first by hole and the first endoporus of the plug that is slidably connected, institute
State middle valve element be provided with place the first magnet the second endoporus and second magnet that is slidably connected the 3rd endoporus, the second endoporus with
Be provided between 3rd endoporus connect the two second pass through hole.
A kind of 9. dual fail-safe check valve according to claim 8, it is characterised in that：Cloth in first endoporus of the upper valve core
Several the second fins with plug sliding contact are equipped with, the inwall of plug and passing away is separated by, constituted by the second fin
The gap that fluid passes through, be disposed with the second endoporus of the middle valve element several be used for position the first magnet the 3rd fin,
The inwall of first magnet and the second endoporus is separated by by the 3rd fin, constitutes the gap that fluid passes through, and the 3rd of the middle valve element the
Some and the second magnet sliding contact the 4th fin is disposed with endoporus, the 4th fin is by the second magnet and the 3rd endoporus
Wall is separated by, and constitutes the gap that fluid passes through.
A kind of 10. dual fail-safe check valve according to claim 8 or claim 9, it is characterised in that：Described upper valve core and middle valve element
Between junction, the junction between middle valve element and bottom spool, the junction of bottom spool and valve body be both provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016112.5U CN206738646U (en) | 2017-01-06 | 2017-01-06 | A kind of dual fail-safe check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016112.5U CN206738646U (en) | 2017-01-06 | 2017-01-06 | A kind of dual fail-safe check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738646U true CN206738646U (en) | 2017-12-12 |
Family
ID=60554918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720016112.5U Expired - Fee Related CN206738646U (en) | 2017-01-06 | 2017-01-06 | A kind of dual fail-safe check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242058A (en) * | 2022-09-19 | 2022-10-25 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
-
2017
- 2017-01-06 CN CN201720016112.5U patent/CN206738646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242058A (en) * | 2022-09-19 | 2022-10-25 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
| CN115242058B (en) * | 2022-09-19 | 2022-12-13 | 广州东芝白云菱机电力电子有限公司 | High-voltage frequency converter protection device based on self energy consumption of frequency converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210106 |