CN104874082B - Solenoid valve diaphragm seal and lung ventilator with it - Google Patents
Solenoid valve diaphragm seal and lung ventilator with it Download PDFInfo
- Publication number
- CN104874082B CN104874082B CN201410072332.0A CN201410072332A CN104874082B CN 104874082 B CN104874082 B CN 104874082B CN 201410072332 A CN201410072332 A CN 201410072332A CN 104874082 B CN104874082 B CN 104874082B
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- solenoid valve
- diaphragm seal
- valve diaphragm
- sheet rubber
- metallic plate
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Abstract
The invention discloses a kind of solenoid valve diaphragm seal and with its lung ventilator, the solenoid valve diaphragm seal is located between the solenoid valve seat of lung ventilator and transfer block, and the solenoid valve diaphragm seal includes：Metallic plate, the metallic plate are equipped with mounting portion；And sheet rubber, the sheet rubber are located in the mounting portion, the sheet rubber is equipped with the venthole that the solenoid valve seat and transfer block is connected, and the upper surface of the sheet rubber is higher than the upper surface of the metallic plate.Solenoid valve diaphragm seal according to the ... of the embodiment of the present invention, by the way that sheet rubber is set on a metal plate, and make the upper surface of sheet rubber higher than the upper surface of metallic plate, metallic plate can limit the decrement of sheet rubber, the problem of enabling the solenoid valve diaphragm seal being mounted between solenoid valve seat and transfer block to have certain decrement, ensure that the sealing effect of solenoid valve diaphragm seal, while can prevent the venthole caused by solenoid valve diaphragm seal excessive deformation from blocking, occurs, venthole is set to keep unimpeded, ventilatory effect is good.
Description
Technical field
The present invention relates to medical equipment technical fields, more particularly, to a kind of solenoid valve diaphragm seal and exhaling with it
Suction machine.
Background technology
Conventional hermetic rubber designs generally because through-hole is larger, and the deformation of stripper rubber is not enough to influence the aeration of through-hole
Can, but because the solenoid valve used in lung ventilator transfer block is more, and hole is small（Only0.8mm）, so when using silicon rubber
The stripper rubber that glue makes will appear the stripper rubber that a some holes is deformed and blocks after mounting, so that in lung ventilator oxygen, sky
Gas breaks down when verifying, and influences the accurate performance of lung ventilator oxygen concentration.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of solenoid valve diaphragm seal that aeration is good.
Another object of the present invention is to propose a kind of lung ventilator with above-mentioned solenoid valve diaphragm seal.
According to a first aspect of the present invention the solenoid valve diaphragm seal of embodiment be located at lung ventilator solenoid valve seat and transfer block it
Between, the solenoid valve diaphragm seal includes：Metallic plate, the metallic plate are equipped with mounting portion；And sheet rubber, the sheet rubber are located at
In the mounting portion, the sheet rubber is equipped with the venthole that the solenoid valve seat and transfer block is connected, the sheet rubber it is upper
Surface is higher than the upper surface of the metallic plate.
Solenoid valve diaphragm seal according to the ... of the embodiment of the present invention, by setting on a metal plate sheet rubber, and makes sheet rubber
Upper surface is higher than the upper surface of metallic plate, and metallic plate can limit the decrement of sheet rubber, makes to be mounted on solenoid valve seat and transfer block
Between solenoid valve diaphragm seal can have certain decrement, ensure that the sealing effect of solenoid valve diaphragm seal, while can prevent
The problem of only venthole caused by solenoid valve diaphragm seal excessive deformation blocks occurs, and so that venthole is kept unimpeded, ventilatory effect
It is good.
In addition, solenoid valve diaphragm seal according to the above embodiment of the present invention can also have following additional technical characteristic：
According to one embodiment of present invention, the difference in height of the upper surface of the sheet rubber and the upper surface of the metallic plate
For 0.3 ± 0.05mm.
According to one embodiment of present invention, the mounting portion is formed completely through the upper and lower surface of the metallic plate
Through-hole, the lower surface of the sheet rubber is flushed with the lower surface of the metallic plate.
According to one embodiment of present invention, the periphery wall of the sheet rubber abuts the internal perisporium of the through-hole.
According to one embodiment of present invention, the mounting portion is formed as the groove of opened upper end, under the sheet rubber
Surface abuts the bottom wall of the groove, and the bottom wall of the groove is equipped with the stomata be connected with the venthole.
According to one embodiment of present invention, the sheet rubber is formed as rectangle, and four angles of the sheet rubber are fillet.
According to one embodiment of present invention, the metallic plate is steel plate.
According to one embodiment of present invention, the sheet rubber is silicone rubber plate.
According to one embodiment of present invention, the metallic plate is equipped with multiple location holes arranged spaced apart.
The lung ventilator of embodiment according to a second aspect of the present invention, including the solenoid valve diaphragm seal described in above-described embodiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of solenoid valve diaphragm seal according to the ... of the embodiment of the present invention；
Fig. 2 is the sectional view of solenoid valve diaphragm seal according to the ... of the embodiment of the present invention；
Fig. 3 is that solenoid valve diaphragm seal according to the ... of the embodiment of the present invention is illustrated with the assembling structure of solenoid valve seat and transfer block
Figure；
Fig. 4 is the dress between solenoid valve diaphragm seal and solenoid valve seat, transfer block and solenoid valve according to the ... of the embodiment of the present invention
Distribution structure schematic diagram；
Fig. 5 is the dress between solenoid valve diaphragm seal and solenoid valve seat, transfer block and solenoid valve according to the ... of the embodiment of the present invention
Distribution structure vertical view；
Fig. 6 is the sectional view of Fig. 5 center lines A-A.
Reference numeral：
Solenoid valve diaphragm seal 100；Solenoid valve seat 200；Transfer block 300；Solenoid valve 400；
Metallic plate 10；Through-hole 11；Location hole 12；
Sheet rubber 20；Venthole 21.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or two
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The solenoid valve diaphragm seal 100 of embodiment according to a first aspect of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 6, solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention is located at the solenoid valve seat of lung ventilator
Between 200 and transfer block 300.Solenoid valve diaphragm seal 100 includes metallic plate 10 and sheet rubber 20, and metallic plate 10 is equipped with installation
Portion, sheet rubber 20 are located in mounting portion, and sheet rubber 20 is equipped with the venthole 21 of conducting solenoid valve seat 200 and transfer block 300, rubber
The upper surface of film 20 is higher than the upper surface of metallic plate 10.
Solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention by the way that sheet rubber 20 to be located on metallic plate 10, and makes rubber
The upper surface of film 20 is higher than the upper surface of metallic plate 10, and metallic plate 10 can limit the decrement of sheet rubber 20, makes to be mounted on electricity
Solenoid valve diaphragm seal 100 between magnet valve seat 200 and transfer block 300 can have certain decrement, ensure that solenoid valve is close
The sealing effect of mounting 100, while the problem of can prevent the venthole 21 caused by 100 excessive deformation of solenoid valve diaphragm seal from blocking
Occur, so that venthole 21 is kept unimpeded, ventilatory effect is good.
Due to being required to installation oxygen concentration sensor on lung ventilator, and need to carry out oxygen concentration sensor before use
Calibration and calibration.Solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention can be applied in the effect module carry out oxygen concentration
Calibration.Its principle is to be passed through 100% oxygen or 21% air to oxygen concentration sensor by the switching of solenoid valve 400, to right
Oxygen concentration sensor determines datum mark.
In the related art, solenoid valve diaphragm seal will appear gross distortion during the installation process, so that venthole is blocked, makes
It is blocked at the gas circuit between solenoid valve seat and transfer block, causes air or oxygen that cannot switch, to affect oxygen concentration
The use of sensor.And solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention, by the way that sheet rubber 20 is located on metallic plate 10
And making the upper surface of sheet rubber 20 higher than the upper surface of metallic plate 10, metallic plate 10 can limit the decrement of sheet rubber 20, make rubber
The decrement maximum of film 20 is no more than the difference in height between the upper surface and the upper surface of metallic plate 10 of sheet rubber 20, at this time rubber
The deformation appropriateness of film 20, will not block venthole 21, ensure that the use of oxygen concentration sensor.
In addition, some researches show that, when solenoid valve diaphragm seal be stripper rubber, and the stripper rubber thickness be 0.7mm, Shao
In the case that family name's hardness is 60 degree, sealing performance can be greatly improved.But since installation personnel cannot control well
It to the pressing force of stripper rubber, causes rubber transition compression or decrement too small, and then causes to generate gas leakage or block ventilation
The case where hole, occurs, and prevents its qualification rate from being ensured completely.
And solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention will be with rigid metallic plate 10 and with rubber flexible
Film 20 is combined with each other so that solenoid valve diaphragm seal 100 can have limited decrement, when solenoid valve diaphragm seal 100 is pacified
When between solenoid valve seat 200 and transfer block 300, it will not be sent out solenoid valve diaphragm seal 100 is by larger active force
Raw excessive deformation ensure that solenoid valve diaphragm seal 100 has good sealing performance and ventilatory effect.
Specifically, metallic plate 10 can be steel plate, and sheet rubber 20 can be silicone rubber plate.Steel plate is rigidly good, and silicone rubber plate is flexible
Property is good, and the solenoid valve diaphragm seal 100 of the compound composition of the two can have superior sealing performance and ventilatory effect.Metallic plate 10 and rubber
The shape of film 20 can be configured as needed, for example, in an embodiment of the invention, sheet rubber 20 is formed as square
Four angles of shape, sheet rubber 20 are fillet.
According to one embodiment of present invention, the upper surface of sheet rubber 20 and the difference in height of the upper surface of metallic plate 10 are
0.3±0.05mm.Since metallic plate 10 is rigid material, which is the compressible amount of sheet rubber 20, thus, it is possible to root
Suitable decrement is selected according to the size of bleed pressure.Such as it is 0.2mm that can take the decrement of sheet rubber 20 as needed.
The structure of mounting portion on metallic plate 10 can there are many, optionally, according to one embodiment of present invention, installation
Portion is formed completely through the through-hole 11 of the upper and lower surface of metallic plate 10, the following table of the lower surface and metallic plate 10 of sheet rubber 20
Face flushes, as shown in Figure 2.Further, the periphery wall of sheet rubber 20 abuts the internal perisporium of through-hole 11.The setting of through-hole 11 can be with
So that sheet rubber 20 is easily linked together with metallic plate 10, while the periphery wall of sheet rubber 20 being abutted to the inner circumferential of through-hole 11
Wall can make sheet rubber 20 seamless in junction with metallic plate 10, improve the sealing performance of solenoid valve diaphragm seal 100.
In other embodiments of the present invention, mounting portion is formed as the groove of opened upper end, the lower surface of sheet rubber 20
The bottom wall of groove is abutted, the bottom wall of groove is equipped with the stomata be connected with venthole 21.I.e. sheet rubber 20 is filled in metallic plate 10
Groove in, the setting of groove can also make sheet rubber 20 easily link together with metallic plate 10, and connection is more firm, and works as
When generating gap between the side wall of 10 upper groove of periphery wall and metallic plate of sheet rubber 20, since the lower surface of sheet rubber 20 abuts
On the bottom wall of groove, it can also ensure the sealing performance of solenoid valve diaphragm seal 100.The solenoid valve diaphragm seal 100 of the structure can
Suitable for gas pressure be high pressure the case where.It is to be appreciated that the quantity and distribution situation of stomata should be with rubber on metallic plate 10
The quantity with distribution situation of through-hole are identical on piece 20, so that solenoid valve diaphragm seal 100 is ventilated well.
As shown in Figure 1, according to one embodiment of present invention, metallic plate 10 is equipped with multiple location holes arranged spaced apart
12.Can be inserted into screw in location hole 12, screw solenoid valve diaphragm seal 100 can be fixed on solenoid valve seat 200 and transfer block 300 it
Between, and solenoid valve seat 200 and transfer block 300 are fixed together, make solenoid valve diaphragm seal 100 in solenoid valve seat 200 and switching
Installation between block 300 is simple and firm.Wherein, the quantity of location hole 12 can be configured as needed, for example, such as Fig. 1
Shown, location hole 12 is formed as 3, and distribution is identical as the distribution situation of 200 upper installing hole of solenoid valve seat.
The lung ventilator of embodiment includes the solenoid valve diaphragm seal 100 of above-described embodiment according to a second aspect of the present invention.Electromagnetism
Valve diaphragm seal 100 is located between solenoid valve seat 200 and transfer block 300, can be converted into the complicated gas circuit of transfer block 300 simply
Gas circuit, and processing performance is excellent.Gas can flow between solenoid valve 400 and transfer block 300, realize the calibration to lung ventilator.
Since solenoid valve diaphragm seal 100 according to the ... of the embodiment of the present invention has above-mentioned beneficial technique effect, according to of the invention real
The lung ventilator for applying example also has corresponding technique effect, i.e. aeration good.
Other of lung ventilator according to the ... of the embodiment of the present invention constitute and operate to come for those of ordinary skill in the art
Say it is all known, is not described in detail herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of solenoid valve diaphragm seal, the solenoid valve diaphragm seal is located between the solenoid valve seat of lung ventilator and transfer block, special
Sign is that the solenoid valve diaphragm seal includes：
Metallic plate, the metallic plate are equipped with mounting portion；With
Sheet rubber, the sheet rubber are located in the mounting portion, and the sheet rubber, which is equipped with, is connected the solenoid valve seat and switching
The venthole of block, the upper surface of the sheet rubber are higher than the upper surface of the metallic plate, and the mounting portion is formed completely through described
The through-hole of the upper and lower surface of metallic plate, the lower surface of the sheet rubber are flushed with the lower surface of the metallic plate.
2. solenoid valve diaphragm seal according to claim 1, which is characterized in that the upper surface of the sheet rubber and the metal
The difference in height of the upper surface of plate is 0.3 ± 0.05mm.
3. solenoid valve diaphragm seal according to claim 1, which is characterized in that the periphery wall of the sheet rubber abuts described logical
The internal perisporium in hole.
4. solenoid valve diaphragm seal according to claim 1, which is characterized in that the mounting portion is formed as the recessed of opened upper end
Slot, the lower surface of the sheet rubber abut the bottom wall of the groove, and the bottom wall of the groove is equipped with to be connected with the venthole
Stomata.
5. solenoid valve diaphragm seal according to claim 1, which is characterized in that the sheet rubber is formed as rectangle, the rubber
Four angles of film are fillet.
6. solenoid valve diaphragm seal according to any one of claims 1-5, which is characterized in that the metallic plate is steel plate.
7. solenoid valve diaphragm seal according to claim 6, which is characterized in that the sheet rubber is silicone rubber plate.
8. solenoid valve diaphragm seal according to claim 6, which is characterized in that the metallic plate is equipped with multiple cloth spaced apart
The location hole set.
9. a kind of lung ventilator, which is characterized in that including the solenoid valve diaphragm seal described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072332.0A CN104874082B (en) | 2014-02-28 | 2014-02-28 | Solenoid valve diaphragm seal and lung ventilator with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072332.0A CN104874082B (en) | 2014-02-28 | 2014-02-28 | Solenoid valve diaphragm seal and lung ventilator with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104874082A CN104874082A (en) | 2015-09-02 |
| CN104874082B true CN104874082B (en) | 2018-11-13 |
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ID=53941920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410072332.0A Active CN104874082B (en) | 2014-02-28 | 2014-02-28 | Solenoid valve diaphragm seal and lung ventilator with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104874082B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899121B (en) * | 2017-12-22 | 2021-07-09 | 深圳市瑞沃德生命科技有限公司 | Low-flow expiration stopping device |
Citations (9)
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|---|---|---|---|---|
| US3877480A (en) * | 1971-03-17 | 1975-04-15 | Dover Corp | Nozzle valve assembly |
| CN2380768Y (en) * | 1998-12-21 | 2000-05-31 | 刘天寿 | Improved connecting seat for electromagnetic valve |
| CN2682251Y (en) * | 2003-09-17 | 2005-03-02 | 吴军标 | Double-sealing piston valve |
| CN101802468A (en) * | 2007-09-11 | 2010-08-11 | 费希尔控制产品国际有限公司 | Metal sealing disk having an elastomeric backing for use with fluid regulators |
| CN102269284A (en) * | 2011-08-01 | 2011-12-07 | 南昌大学 | Electromagnetic valve |
| CN202469156U (en) * | 2012-01-08 | 2012-10-03 | 刘远 | Axial sealed solenoid valve |
| CN202612723U (en) * | 2012-04-13 | 2012-12-19 | 蔡冬青 | Gas control valve |
| CN103182129A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | By-pass valve |
| CN203146901U (en) * | 2013-01-29 | 2013-08-21 | 东莞瑞柯电子科技股份有限公司 | Reversing valve for air compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4439822B2 (en) * | 2003-02-14 | 2010-03-24 | 三菱電機株式会社 | solenoid valve |
-
2014
- 2014-02-28 CN CN201410072332.0A patent/CN104874082B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3877480A (en) * | 1971-03-17 | 1975-04-15 | Dover Corp | Nozzle valve assembly |
| CN2380768Y (en) * | 1998-12-21 | 2000-05-31 | 刘天寿 | Improved connecting seat for electromagnetic valve |
| CN2682251Y (en) * | 2003-09-17 | 2005-03-02 | 吴军标 | Double-sealing piston valve |
| CN101802468A (en) * | 2007-09-11 | 2010-08-11 | 费希尔控制产品国际有限公司 | Metal sealing disk having an elastomeric backing for use with fluid regulators |
| CN102269284A (en) * | 2011-08-01 | 2011-12-07 | 南昌大学 | Electromagnetic valve |
| CN103182129A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | By-pass valve |
| CN202469156U (en) * | 2012-01-08 | 2012-10-03 | 刘远 | Axial sealed solenoid valve |
| CN202612723U (en) * | 2012-04-13 | 2012-12-19 | 蔡冬青 | Gas control valve |
| CN203146901U (en) * | 2013-01-29 | 2013-08-21 | 东莞瑞柯电子科技股份有限公司 | Reversing valve for air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104874082A (en) | 2015-09-02 |
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