CN104208794A - Oxygen mixing valve and breathing machine with same - Google Patents
Oxygen mixing valve and breathing machine with same Download PDFInfo
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- CN104208794A CN104208794A CN201310215505.5A CN201310215505A CN104208794A CN 104208794 A CN104208794 A CN 104208794A CN 201310215505 A CN201310215505 A CN 201310215505A CN 104208794 A CN104208794 A CN 104208794A
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Abstract
The invention discloses an oxygen mixing valve and a breathing machine with the same. The oxygen mixing valve comprises a body, a first adjusting part, a second adjusting part, a linear bearing and an adjusting shaft. An air channel, an oxygen channel and a mixed gas channel are formed in the body, and the mixed gas channel is communicated with the air channel and the oxygen channel. The first adjusting part is used for connecting or disconnecting the air channel and movably arranged in the air channel. The second adjusting part is used for connecting or disconnecting the oxygen channel and movably arranged in the oxygen channel. The first adjusting part and the second adjusting part are in linkage. The linear bearing is arranged in the body. The adjusting shaft is arranged in the linear bearing in a matching mode, and one end of the adjusting shaft extends out of the linear bearing to make contact with one of the first adjusting part and the second adjusting part to conveniently drive the first adjusting part and the second adjusting part to move. The oxygen mixing valve has the advantages of being high in adjusting accuracy, long in service life and the like.
Description
Technical field
The present invention relates to medical field, in particular to a kind of mixed oxygen valve and the respirator with this mixed oxygen valve.
Background technology
There is short defect in service life in existing mixed oxygen valve.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, one object of the present invention is to propose a kind of mixed oxygen valve.
Another object of the present invention is to propose a kind of respirator with described mixed oxygen valve.
To achieve these goals, embodiment according to a first aspect of the present invention proposes a kind of mixed oxygen valve, described mixed oxygen valve comprises body, have air duct, oxygen channel and mixed gas passage in described body, described mixed gas passage is communicated with each in described oxygen channel with described air duct; Disconnect the first regulating part of described air duct for connected sum, described first regulating part is located in described air duct movably; Disconnect the second regulating part of described oxygen channel for connected sum, described second regulating part is located in described oxygen channel movably, and described first regulating part and described second regulating part link; Linear bearing, described linear bearing is located in described body; With adjustment axle, described adjustment axle is engaged in described linear bearing, and one end of described adjustment axle is stretched out described linear bearing and contacted with in described second regulating part with described first regulating part to drive described first regulating part and described second regulating part to move.
According to the mixed oxygen valve of the embodiment of the present invention by arranging described linear bearing and described adjustment axle is engaged in described linear bearing in described body, thus described linear bearing can be utilized accurately to lead to described adjustment axle, and frictional force between described adjustment axle and described linear bearing is almost nil.Linear relationship is continuously formed thus between the rotation of described cam and the movement of described adjustment axle, thus accurately the rotational angle of described motor can be converted to the displacement of described adjustment axle, and then accurately can control the mixed proportion of air and oxygen.And owing to utilizing described linear bearing as guiding parts, therefore the vertical stress component of described cam to the active force of described adjustment axle is born by described linear bearing, described adjustment axle causes any wearing and tearing can not in moving process described body thus.
Therefore, according to the mixed oxygen valve of the embodiment of the present invention, there is the advantages such as degree of regulation is high, long service life.In other words, accurately can regulate the mixed proportion of ventilation and air and oxygen according to the mixed oxygen valve of the embodiment of the present invention, namely described mixed oxygen valve can accurately regulate by the oxygen concentration in the gas of described mixed oxygen valve.
In addition, mixed oxygen valve according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, described body comprises: the first valve body, the described mixed gas passage having the container cavity of open at one end, the interface channel be communicated with described container cavity in described first valve body and be communicated with described container cavity; Second valve body, the part of described second valve body to be located in described container cavity and and limit hybrid chamber between the wall of described container cavity, described interface channel is all communicated with described hybrid chamber with each in described mixed gas passage, have described air duct in wherein said second valve body, described air duct is communicated with described hybrid chamber; With the 3rd valve body, described 3rd valve body is located on described first valve body, and have described oxygen channel in wherein said 3rd valve body, described oxygen channel is communicated with described interface channel, and described linear bearing is located in described 3rd valve body.Mixed oxygen valve has the advantages such as simple and reasonable for structure thus.
According to one embodiment of present invention, the wall of described air duct is provided with the first sealing ring, described first regulating part coordinates with described first sealing ring, and the wall of described interface channel is provided with the second sealing ring, and described second regulating part coordinates with described second sealing ring.More accurately can regulate the flow of air and the flow of oxygen thus, thus can more accurately regulate by the oxygen concentration in the gas of described mixed oxygen valve.
According to one embodiment of present invention, described first regulating part comprises the first ball base and is located at the first ball in described first ball base, described second regulating part comprises the second ball base and is located at the second ball in described second ball base, wherein said mixed oxygen valve also comprises push rod, one end of described push rod and described first ball contact and the other end and described second ball contact.Described first regulating part and described second regulating part have advantages of simple structure and simple thus.
According to one embodiment of present invention, described mixed oxygen valve also comprises: the first elastic component, one end of described first elastic component is connected with the wall of described air duct and the other end is connected with described first regulating part, wherein said first elastic component is in deformed state, described first elastic component to described first regulating part apply the first elastic force towards described first sealing ring; With the second elastic component, one end of described second elastic component is connected with the wall of described oxygen channel and the other end is connected with described second regulating part, wherein said second elastic component is in deformed state, described second elastic component is to the second elastic force of described second regulating part applying towards described second sealing ring, and described first elastic force is greater than described second elastic force.Can more accurately regulate thus by the oxygen concentration in the gas of described mixed oxygen valve.
According to one embodiment of present invention, in described 3rd valve body, there is installation cavity, described linear bearing is located in described installation cavity, is provided with the 3rd sealing ring between wherein said adjustment axle and the wall of described installation cavity, and the outer peripheral face of described 3rd sealing ring is provided with the ruffle with predetermined stroke.Oxygen not only can be avoided thus to overflow between described adjustment axle and the wall of described installation cavity, affect the degree of regulation of described mixed oxygen valve, and by arranging on the outer peripheral face of described 3rd sealing ring, there is the described ruffle of predetermined stroke, thus described adjustment axle can not be affected move.
According to one embodiment of present invention, described mixed oxygen valve also comprises rigidity push piece, described rigidity push piece is located on described 3rd sealing ring, and one end and the described adjustment of wherein said rigidity push piece are coupling and touch and the other end contacts with in described second regulating part with described first regulating part.
According to one embodiment of present invention, described mixed oxygen valve also comprises linear bearing pressing plate, and described linear bearing pressing plate to be fixed on described 3rd valve body and to contact with described linear bearing.Described linear bearing can be made thus to be more firmly arranged on described 3rd valve body.
Embodiment according to a second aspect of the present invention proposes a kind of respirator.Described respirator comprises: frame; Motor, described motor is arranged in described frame; Cam, described cam is connected with described motor to rotate under the drive of described motor; And mixed oxygen valve, described mixed oxygen valve is mixed oxygen valve described according to a first aspect of the present invention, and wherein said cam and described adjustment are coupling and tactilely move along the length direction of described adjustment axle to adjust axle described in described cam driven.
According to the respirator of the embodiment of the present invention by arranging mixed oxygen valve according to the above embodiment of the present invention, not only can meet the requirement of user to different oxygen concentrations, and there is the advantages such as degree of regulation is high, long service life.
According to one embodiment of present invention, described motor is motor, and described cam is involute cam.
According to one embodiment of present invention, described respirator also comprises: bearing bracket stand, and described bearing bracket stand is connected with described adjustment axle; And ball bearing, described ball bearing to be located on described bearing bracket stand and with described cam contact.Described cam when rotated thus, and described ball bearing also rotates, and the frictional force between described cam and described ball bearing is very little, thus can more accurately regulate by the oxygen concentration in the gas of described mixed oxygen valve.
According to one embodiment of present invention, described respirator also comprises guide bearing, and described guide bearing is rotatably located in described frame, the first surface of described bearing bracket stand be plane and described first surface and described guide bearing tangent.Thus when described motor drives described cam to rotate, can prevent described bearing bracket stand from rotating.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the respirator according to the embodiment of the present invention;
Fig. 2 is the sectional view of the respirator according to the embodiment of the present invention;
Fig. 3 is the enlarged drawing of the a-quadrant of Fig. 2;
Fig. 4 is the sectional view of the respirator according to the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Referring to Fig. 1-Fig. 4, the respirator 1 according to the embodiment of the present invention is described.As Figure 1-Figure 4, mixed oxygen valve 10, frame 20, motor 30 and cam 40 is comprised according to the respirator 1 of the embodiment of the present invention.Motor 30 is arranged in frame 20, and cam 40 is connected to rotate under the drive of motor 30 with motor 30.
First with reference to Fig. 1-Fig. 4, the mixed oxygen valve 10 according to the embodiment of the present invention is described.As Figure 1-Figure 4, comprise body 110 according to the mixed oxygen valve 10 of the embodiment of the present invention, disconnect the first regulating part 120 of air duct 101, the second regulating part 130 disconnecting oxygen channel 102 for connected sum, linear bearing 140 and adjustment axle 150 for connected sum.
Have air duct 101, oxygen channel 102 and mixed gas passage 103 in body 110, mixed gas passage 103 is communicated with each in oxygen channel 102 with air duct 101.First regulating part 120 is located in air duct 101 movably, and the second regulating part 130 is located in oxygen channel 102 movably, and the first regulating part 120 and the second regulating part 130 link.Linear bearing 140 is located in body 110.Adjustment axle 150 is engaged in linear bearing 140, and one end of adjustment axle 150 stretches out linear bearing 140 and one end of adjustment axle 150 contacts with in the second regulating part 130 with the first regulating part 120 to drive the first regulating part 120 and the second regulating part 130 to move.
Wherein, cam 40 contacts so that cam 40 drives and adjusts axle 150 and move along the length direction adjusting axle 150 with adjustment axle 150.
Mixed oxygen valve 10 according to the embodiment of the present invention is engaged in linear bearing 140 by arranging linear bearing 140 and adjust axle 150 in body 110, thus linear bearing 140 can be utilized to exchange bearing 150 accurately lead, and frictional force between adjustment axle 150 and linear bearing 140 is almost nil.Form linear relationship continuously between the rotation of cam 40 and the movement of adjustment axle 150 thus, thus accurately the rotational angle of motor 30 can be converted to the displacement of adjustment axle 150, and then accurately can control the mixed proportion of air and oxygen.And owing to utilizing linear bearing 140 as guiding parts, the vertical stress component that therefore cam 40 exchanges the active force of bearing 150 is born by linear bearing 140, adjust axle 150 thus and can not cause any wearing and tearing to body 110 in moving process.
Therefore, according to the mixed oxygen valve 10 of the embodiment of the present invention, there is the advantages such as degree of regulation is high, long service life.In other words, accurately can regulate the mixed proportion of ventilation and air and oxygen according to the mixed oxygen valve 10 of the embodiment of the present invention, namely mixed oxygen valve 10 can accurately regulate by the oxygen concentration in the gas of mixed oxygen valve 10.
According to the respirator 1 of the embodiment of the present invention by arranging mixed oxygen valve 10 according to the above embodiment of the present invention, not only can meet the requirement of user to different oxygen concentrations, and there is the advantages such as degree of regulation is high, long service life.
As shown in figs 2-4, in some embodiments of the invention, body 110 can comprise the first valve body 111, second valve body 112 and the 3rd valve body 113.The mixed gas passage 103 that can have the container cavity 1111 of open at one end, the interface channel 1112 be communicated with container cavity 1111 and be communicated with container cavity 1111 in the first valve body 111.The part of second valve body 112 can be located in container cavity 1111 and a described part for the second valve body 112 can and the wall of container cavity 1111 between limit hybrid chamber 1121, interface channel 1112 and each in mixed gas passage 103 all can be communicated with hybrid chamber 1121.Can have air duct 101 in second valve body 112, air duct 101 can be communicated with hybrid chamber 1121.3rd valve body 113 can be located on the first valve body 111, and wherein can have oxygen channel 102 in the 3rd valve body 113, oxygen channel 102 can be communicated with interface channel 1112, and linear bearing 140 can be located in the 3rd valve body 113.Mixed oxygen valve 10 has the advantages such as simple and reasonable for structure thus.
In one embodiment of the invention, as shown in figs 2-4, the wall of air duct 101 can be provided with the first sealing ring 123, first regulating part 120 can coordinate with the first sealing ring 123, the wall of interface channel 1112 can be provided with the second sealing ring 133, second regulating part 130 can coordinate with the second sealing ring 133.More accurately can regulate the flow of air and the flow of oxygen thus, thus can more accurately regulate by the oxygen concentration in the gas of mixed oxygen valve 10.
That the ratio entering the air in mixed oxygen valve 10 and the different flow that entered oxygen in mixed oxygen valve 10 by oxygen channel 102 by air duct 101 is mixed to form by the oxygen concentration in the gas of mixed oxygen valve 10.Specifically, by the flow regulating the distance between the first regulating part 120 and the first sealing ring 123 to regulate air, in other words, the flow of air can be regulated by the ventilation cross-sectional sizes formed between the first regulating part 120 and the first sealing ring 123.Distance between first regulating part 120 and the first sealing ring 123 is larger, namely the ventilation cross section formed between the first regulating part 120 and the first sealing ring 123 is larger, the flow of air is larger, distance between first regulating part 120 and the first sealing ring 123 is less, namely the ventilation cross section formed between the first regulating part 120 and the first sealing ring 123 is less, and the flow of air is less.Can by the flow regulating the distance between the second regulating part 130 and the second sealing ring 133 to regulate oxygen, in other words, can by the flow regulating the ventilation cross-sectional sizes formed between the second regulating part 130 and the second sealing ring 133 to regulate oxygen.Distance between second regulating part 130 and the second sealing ring 133 is larger, namely the ventilation cross section formed between the second regulating part 130 and the second sealing ring 133 is larger, the flow of oxygen is larger, distance between second regulating part 130 and the second sealing ring 133 is less, namely the ventilation cross section formed between the second regulating part 130 and the second sealing ring 133 is less, and the flow of oxygen is less.And then by regulating the flow of air and the flow of oxygen to change oxygen concentration in mist.Wherein, ventilation cross-sectional sizes is corresponding with the distance of adjustment axle 150 movement, and the distance of adjustment axle 150 movement is corresponding with the rotational angle of motor 30.
And, when the first regulating part 120 contacts with the first sealing ring 123, air duct 101 can be disconnected, namely can realize exporting pure oxygen.When the second regulating part 130 contacts with the second sealing ring 133, oxygen channel 102 can be disconnected, namely can realize a delivery air.That is, by arranging the first sealing ring 123 and reliable sealing can being realized between the second sealing ring 133, first regulating part 120 and the first sealing ring 123, between the second regulating part 130 and the second sealing ring 133, reliable sealing can be realized.
As shown in figs 2-4, in examples more of the present invention, first regulating part 120 can comprise the first ball base 121 and the first ball 122, second regulating part 130 be located in the first ball base 121 can comprise the second ball base 131 and the second ball 132 be located in the second ball base 131.Wherein, mixed oxygen valve 10 can also comprise push rod 161, and one end of push rod 161 can contact with the first ball 122 and the other end of push rod 161 can contact with the second ball 132 to realize the first regulating part 120 and the second regulating part 130 links.First regulating part 120 and the second regulating part 130 have advantages of simple structure and simple thus.
In an example of the present invention, as shown in figs 2-4, mixed oxygen valve 10 can also comprise the first elastic component 162 and the second elastic component 163.One end of first elastic component 162 can be connected with the wall of air duct 101 and the other end of the first elastic component 162 can be connected with the first regulating part 120, wherein the first elastic component 162 can be in deformed state, and the first elastic component 162 can towards described first sealing ring 123 to the first elastic force that the first regulating part 120 applies.One end of second elastic component 163 can be connected with the wall of oxygen channel 102 and the other end of the second elastic component 163 can be connected with the second regulating part 130, wherein the second elastic component 163 can be in deformed state, second elastic component 163 can towards the second sealing ring 133 to the second elastic force that the second regulating part 130 applies, and described first elastic force can be greater than described second elastic force.By arranging the first elastic component 162 and the second elastic component 163, can more accurately regulate by the oxygen concentration in the gas of mixed oxygen valve 10.
When needing the oxygen concentration be reduced by the gas of mixed oxygen valve 10, moving cam 40 can be with to rotate (such as cam 40 turns clockwise) by motor 30, cam 40 drives adjustment axle 150 to left movement, and then adjustment axle 150 drives the first ball 122 and the second ball 132 to left movement.Distance thus between the first ball 122 and the first sealing ring 123 becomes large to increase the flow of air, distance between second ball 132 and the second sealing ring 133 diminishes to reduce the flow of oxygen, thus can be reduced by the oxygen concentration in the gas of mixed oxygen valve 10.Wherein left and right directions is as shown in the arrow B in Fig. 1-Fig. 4.
When needing the oxygen concentration increased through in the gas of mixed oxygen valve 10, moving cam 40 can be with to rotate (such as cam 40 is rotated counterclockwise) by motor 30, first elastic component 162 applies the first elastic force left to the first ball 122, and the second elastic component 163 applies the second elastic force to the right to the second ball 132.Because the first elastic force is greater than the second elastic force, therefore the first elastic component 162 drives the first ball 122 and the second ball 132 to move right.Distance thus between the first ball 122 and the first sealing ring 123 diminishes to reduce the flow of air, distance between second ball 132 and the second sealing ring 133 becomes large to increase the flow of oxygen, thus can increase through the oxygen concentration in the gas of mixed oxygen valve 10.Meanwhile, the second ball base 131 drive adjustment axle 150 moves right to adjust axle 150 and contacts with cam 40 all the time.
As shown in figs 2-4, in a concrete example of the present invention, can have installation cavity 1131 in the 3rd valve body 113, linear bearing 140 can be located in installation cavity 1131.Wherein, adjust on the outer peripheral face that can be provided with the 3rd sealing ring the 1132, three sealing ring 1132 between axle 150 and the wall of installation cavity 1131 and can be provided with the ruffle 11321 with predetermined stroke.In other words, the 3rd sealing ring 1132 can be sleeved on adjustment axle 150.
By arranging the 3rd sealing ring 1132 between adjustment axle 150 and the wall of installation cavity 1131, thus oxygen can be avoided to overflow between adjustment axle 150 and the wall of installation cavity 1131, affecting the degree of regulation of mixed oxygen valve 10.And, contact with the wall of installation cavity 1131 by arranging the ruffle 11321(ruffle 11321 with predetermined stroke on the outer peripheral face of the 3rd sealing ring 1132), thus can not affect and adjust axle 150 and move.Particularly, installation cavity 1131 can be located on the right flank of the 3rd valve body 113.
Mixed oxygen valve 10 can also comprise rigidity push piece 164, and rigidity push piece 164 can be located on the 3rd sealing ring 1132.Wherein, one end of rigidity push piece 164 can to contact and the other end of rigidity push piece 164 can contact with in the second regulating part 130 with the first regulating part 120 with adjustment axle 150.
Mixed oxygen valve 10 can also comprise linear bearing pressing plate 165, and linear bearing pressing plate 165 can be fixed on the 3rd valve body 113 and linear bearing pressing plate 165 can contact with linear bearing 140.Linear bearing 140 can be made thus to be more firmly arranged on the 3rd valve body 113.Wherein, linear bearing pressing plate 165 can be fixed on the right flank of the 3rd valve body 113, and the left surface of linear bearing pressing plate 165 can contact with the right flank of linear bearing 140.
Particularly, motor 30 can be motor, and the step number of motor 30 is corresponding with by the oxygen concentration in the gas of mixed oxygen valve 10.Cam 40 can be involute cam.
As Figure 1-Figure 4, in examples more of the present invention, respirator 1 can also comprise bearing bracket stand 50 and ball bearing 60.Bearing bracket stand 50 is connected with adjustment axle 150, and ball bearing 60 can be located on bearing bracket stand 50 and ball bearing 60 can contact with cam 40.Cam 40 when rotated thus, and ball bearing 60 also rotates, and the frictional force between cam 40 and ball bearing 60 is very little, thus can more accurately regulate by the oxygen concentration in the gas of mixed oxygen valve 10.Particularly, ball bearing 60 can rotatably be located on bearing bracket stand 50.
In an example of the present invention, as Figure 1-Figure 4, respirator 1 can also comprise guide bearing 70, and guide bearing 70 can rotatably be located in frame 20, and the first surface of bearing bracket stand 50 can be plane and described first surface can be tangent with guide bearing 70.Thus when motor 30 driving cam 40 rotates, can prevent bearing bracket stand 50 from rotating.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (12)
1. a mixed oxygen valve, is characterized in that, comprising:
Body, has air duct, oxygen channel and mixed gas passage in described body, described mixed gas passage is communicated with each in described oxygen channel with described air duct;
Disconnect the first regulating part of described air duct for connected sum, described first regulating part is located in described air duct movably;
Disconnect the second regulating part of described oxygen channel for connected sum, described second regulating part is located in described oxygen channel movably, and described first regulating part and described second regulating part link;
Linear bearing, described linear bearing is located in described body; With
Adjustment axle, described adjustment axle is engaged in described linear bearing, and one end of described adjustment axle is stretched out described linear bearing and contacted with in described second regulating part with described first regulating part to drive described first regulating part and described second regulating part to move.
2. mixed oxygen valve according to claim 1, is characterized in that, described body comprises:
First valve body, the described mixed gas passage that there is in described first valve body the container cavity of open at one end, the interface channel be communicated with described container cavity and be communicated with described container cavity;
Second valve body, the part of described second valve body to be located in described container cavity and and limit hybrid chamber between the wall of described container cavity, described interface channel is all communicated with described hybrid chamber with each in described mixed gas passage, have described air duct in wherein said second valve body, described air duct is communicated with described hybrid chamber; With
3rd valve body, described 3rd valve body is located on described first valve body, and have described oxygen channel in wherein said 3rd valve body, described oxygen channel is communicated with described interface channel, and described linear bearing is located in described 3rd valve body.
3. mixed oxygen valve according to claim 2, it is characterized in that, the wall of described air duct is provided with the first sealing ring, and described first regulating part coordinates with described first sealing ring, the wall of described interface channel is provided with the second sealing ring, and described second regulating part coordinates with described second sealing ring.
4. mixed oxygen valve according to claim 3, it is characterized in that, described first regulating part comprises the first ball base and is located at the first ball in described first ball base, described second regulating part comprises the second ball base and is located at the second ball in described second ball base, wherein said mixed oxygen valve also comprises push rod, one end of described push rod and described first ball contact and the other end and described second ball contact.
5. mixed oxygen valve according to claim 3, is characterized in that, also comprises:
First elastic component, one end of described first elastic component is connected with the wall of described air duct and the other end is connected with described first regulating part, wherein said first elastic component is in deformed state, described first elastic component to described first regulating part apply the first elastic force towards described first sealing ring; With
Second elastic component, one end of described second elastic component is connected with the wall of described oxygen channel and the other end is connected with described second regulating part, wherein said second elastic component is in deformed state, described second elastic component is to the second elastic force of described second regulating part applying towards described second sealing ring, and described first elastic force is greater than described second elastic force.
6. mixed oxygen valve according to claim 2, it is characterized in that, in described 3rd valve body, there is installation cavity, described linear bearing is located in described installation cavity, be provided with the 3rd sealing ring between wherein said adjustment axle and the wall of described installation cavity, the outer peripheral face of described 3rd sealing ring is provided with the ruffle with predetermined stroke.
7. mixed oxygen valve according to claim 6, it is characterized in that, also comprise rigidity push piece, described rigidity push piece is located on described 3rd sealing ring, and one end and the described adjustment of wherein said rigidity push piece are coupling and touch and the other end contacts with in described second regulating part with described first regulating part.
8. mixed oxygen valve according to claim 2, is characterized in that, also comprises linear bearing pressing plate, and described linear bearing pressing plate to be fixed on described 3rd valve body and to contact with described linear bearing.
9. a respirator, is characterized in that, comprising:
Frame;
Motor, described motor is arranged in described frame;
Cam, described cam is connected with described motor to rotate under the drive of described motor; With
Mixed oxygen valve, described mixed oxygen valve is the mixed oxygen valve according to any one of claim 1-8, and wherein said cam and described adjustment are coupling to touch and move along the length direction of described adjustment axle to adjust axle described in described cam driven.
10. respirator according to claim 9, is characterized in that, described motor is motor, and described cam is involute cam.
11. respirators according to claim 10, is characterized in that, also comprise:
Bearing bracket stand, described bearing bracket stand is connected with described adjustment axle; With
Ball bearing, described ball bearing to be located on described bearing bracket stand and with described cam contact.
12. respirators according to claim 11, is characterized in that, also comprise guide bearing, and described guide bearing is rotatably located in described frame, the first surface of described bearing bracket stand be plane and described first surface and described guide bearing tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215505.5A CN104208794B (en) | 2013-05-31 | 2013-05-31 | Mixed oxygen valve and ventilator with the mixed oxygen valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215505.5A CN104208794B (en) | 2013-05-31 | 2013-05-31 | Mixed oxygen valve and ventilator with the mixed oxygen valve |
Publications (2)
| Publication Number | Publication Date |
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| CN104208794A true CN104208794A (en) | 2014-12-17 |
| CN104208794B CN104208794B (en) | 2019-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215505.5A Active CN104208794B (en) | 2013-05-31 | 2013-05-31 | Mixed oxygen valve and ventilator with the mixed oxygen valve |
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| CN (1) | CN104208794B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963836A (en) * | 2016-05-31 | 2016-09-28 | 成都德善能科技有限公司 | Novel medical breathing machine |
| CN105987215A (en) * | 2015-01-30 | 2016-10-05 | 北京雅果科技有限公司 | Switch valve with airway opening and closing function and operating method |
| WO2017005031A1 (en) * | 2015-07-06 | 2017-01-12 | 北京谊安医疗系统股份有限公司 | Integral type oxygen mixing channel for respirator oxygen mixing valve |
| CN111701133A (en) * | 2020-07-22 | 2020-09-25 | 苏州南博智能科技有限公司 | Novel proportional valve for breathing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3526241A (en) * | 1967-11-24 | 1970-09-01 | Robertshaw Controls Co | Oxygen-air diluter for breathing apparatus |
| CN1938537A (en) * | 2004-03-26 | 2007-03-28 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Fluid distribution and control valve and use thereof to supply enriched air to the occupants of an aircraft |
| CN101311587A (en) * | 2007-12-29 | 2008-11-26 | 北京谊安医疗系统股份有限公司 | Pneumatic control proportioning time-delay change valve |
| CN101757713A (en) * | 2008-12-11 | 2010-06-30 | 北京谊安医疗系统股份有限公司 | Oxygen-air hybrid mechanism and breathing machine with the mechanism |
| CN101766861A (en) * | 2008-12-29 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Gas mixing module and breathing machine and anesthesia machine with same |
| CN202620425U (en) * | 2012-05-08 | 2012-12-26 | 江苏富林医疗设备有限公司 | Oxygenerator control valve |
| CN102866713A (en) * | 2012-10-16 | 2013-01-09 | 深圳市安保科技有限公司 | Respiratory flow adjusting device and breathing machine |
| CN203315504U (en) * | 2013-05-31 | 2013-12-04 | 北京谊安医疗系统股份有限公司 | Oxygen mixing valve and respirator with same |
-
2013
- 2013-05-31 CN CN201310215505.5A patent/CN104208794B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3526241A (en) * | 1967-11-24 | 1970-09-01 | Robertshaw Controls Co | Oxygen-air diluter for breathing apparatus |
| CN1938537A (en) * | 2004-03-26 | 2007-03-28 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Fluid distribution and control valve and use thereof to supply enriched air to the occupants of an aircraft |
| CN101311587A (en) * | 2007-12-29 | 2008-11-26 | 北京谊安医疗系统股份有限公司 | Pneumatic control proportioning time-delay change valve |
| CN101757713A (en) * | 2008-12-11 | 2010-06-30 | 北京谊安医疗系统股份有限公司 | Oxygen-air hybrid mechanism and breathing machine with the mechanism |
| CN101766861A (en) * | 2008-12-29 | 2010-07-07 | 北京谊安医疗系统股份有限公司 | Gas mixing module and breathing machine and anesthesia machine with same |
| CN202620425U (en) * | 2012-05-08 | 2012-12-26 | 江苏富林医疗设备有限公司 | Oxygenerator control valve |
| CN102866713A (en) * | 2012-10-16 | 2013-01-09 | 深圳市安保科技有限公司 | Respiratory flow adjusting device and breathing machine |
| CN203315504U (en) * | 2013-05-31 | 2013-12-04 | 北京谊安医疗系统股份有限公司 | Oxygen mixing valve and respirator with same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987215A (en) * | 2015-01-30 | 2016-10-05 | 北京雅果科技有限公司 | Switch valve with airway opening and closing function and operating method |
| WO2017005031A1 (en) * | 2015-07-06 | 2017-01-12 | 北京谊安医疗系统股份有限公司 | Integral type oxygen mixing channel for respirator oxygen mixing valve |
| EP3318303A4 (en) * | 2015-07-06 | 2018-05-30 | Beijing Aeonmed Co., Ltd. | Integral type oxygen mixing channel for respirator oxygen mixing valve |
| CN105963836A (en) * | 2016-05-31 | 2016-09-28 | 成都德善能科技有限公司 | Novel medical breathing machine |
| CN105963836B (en) * | 2016-05-31 | 2019-02-15 | 广州五颗星信息科技有限公司 | A kind of novel medical ventilator |
| CN111701133A (en) * | 2020-07-22 | 2020-09-25 | 苏州南博智能科技有限公司 | Novel proportional valve for breathing machine |
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