CN112587777A - Adjusting device for automatically adjusting and stabilizing oxygen flow of breathing machine - Google Patents
Adjusting device for automatically adjusting and stabilizing oxygen flow of breathing machine Download PDFInfo
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- CN112587777A CN112587777A CN202110035955.0A CN202110035955A CN112587777A CN 112587777 A CN112587777 A CN 112587777A CN 202110035955 A CN202110035955 A CN 202110035955A CN 112587777 A CN112587777 A CN 112587777A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
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Abstract
The invention relates to the medical nursing related field, and discloses an adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator, which comprises a main box body, wherein an airflow cavity communicated with an oxygen conveying pipe in the respirator is arranged in the main box body, two pressure regulating slide block cavities which are symmetrically arranged up and down by taking the airflow cavity as the center are communicated and arranged outside the airflow cavity, oxygen in the oxygen conveying pipe in the respirator is guided into the airflow cavity by an air suction impeller and is accelerated to drive an airflow induction fan wheel to rotate, so that the aim of stabilizing the oxygen conveying speed in the airflow cavity is fulfilled by utilizing the meshing state of a pushing feedback slide block and a pressure regulating limiting block, when the oxygen output speed needs to be changed, the distance between the pressure regulating feedback push block and an electromagnet trigger and between the pressure regulating slide block is regulated by rotating a pressure regulating knob, the speed in the airflow cavity is indirectly controlled while the speed in the variable speed friction wheel is, the purpose of ensuring the output pressure is achieved while the output of oxygen is increased.
Description
Technical Field
The invention relates to the field related to medical care, in particular to an adjusting device for automatically adjusting and stabilizing oxygen flow of a breathing machine.
Background
The unstable condition of breathing machine oxygen suppliment can appear when using the breathing machine for a long time to make the patient can't obtain sufficient oxygen and the dangerous condition appears, and current breathing machine most can only be when this kind of condition appears and alert operating personnel and carry out manual regulation, and the quick accurate regulation under this kind of regulation mode inefficiency is unfavorable for emergency, and most breathing machine also can't adjust the transport capacity and the atmospheric pressure of oxygen simultaneously now, thereby makes operating efficiency low.
Disclosure of Invention
The invention aims to provide an adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator, which can overcome the defects of the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator, which comprises a main box body, wherein an airflow cavity communicated with an oxygen conveying pipe in the respirator is arranged in the main box body, two pressure regulating slide block cavities which are symmetrically arranged up and down by taking the airflow cavity as a center are communicated and arranged outside the airflow cavity, a pressure regulating pulley cavity is arranged outside the pressure regulating slide block cavity, a pressure regulating bevel gear cavity positioned at the rear upper side of the airflow cavity is arranged between the pressure regulating pulley cavities, a reciprocating worm gear cavity positioned at the upper side of the airflow cavity is arranged at the right side of the pressure regulating bevel gear cavity, a pressure regulating main bevel gear positioned at the right side of the pressure regulating slide block cavity at the upper side is arranged between the reciprocating worm gear cavity and the airflow cavity, a pressure regulating push block cavity positioned at the upper side of the airflow cavity is communicated and arranged at the right side of the pressure regulating main bevel gear, a reciprocating push rod positioned at the upper side, the right side of the reciprocating push rod is communicated with a pressure regulating centrifugal cavity positioned on the upper side of the airflow cavity, the right side of the pressure regulating centrifugal cavity is provided with a speed changing friction wheel cavity, the upper side of the speed-changing friction wheel cavity is communicated with a speed-changing conical wheel cavity positioned at the right upper side of the pressure-regulating centrifugal cavity, the right side of the variable speed conical wheel cavity is provided with a motor straight gear cavity positioned at the right upper side of the variable speed friction wheel cavity, a motor is arranged on the right side of the straight gear cavity of the motor, an impeller transmission block positioned on the right side of the pressure regulating centrifugal cavity is fixedly connected in the upper end wall of the airflow cavity, an impeller belt wheel cavity which extends upwards into the main box body and is positioned between the variable speed friction wheel cavity and the pressure regulating centrifugal cavity is arranged in the impeller transmission block, the tail end of the left side of the motor is fixedly connected with a motor shaft which extends leftwards into the cavity of the straight gear of the motor, and the outer edge surface of the motor shaft is fixedly connected with a motor straight gear positioned in the motor straight gear cavity.
On the basis of the technical scheme, the left end wall of the motor straight gear cavity is connected with a left lower side to extend to the variable speed bevel gear cavity and a right upper side to extend to the variable speed bevel gear shaft in the motor straight gear cavity, the outer edge surface of the variable speed bevel gear shaft is fixedly connected with a transmission bevel gear meshed with the motor straight gear in the motor straight gear cavity, the outer edge surface of the variable speed bevel gear shaft is fixedly connected with a variable speed bevel gear in the variable speed bevel gear cavity, the right end wall of the variable speed bevel gear cavity is connected with an impeller speed change shaft which extends leftwards and penetrates through the variable speed bevel gear cavity until extending to the left end wall of the impeller belt gear cavity, the outer edge surface of the impeller speed change shaft is in spline fit connection with a variable speed friction gear which is positioned in the variable speed bevel gear cavity and abutted to the outer edge surface, and the right end of the variable speed magnetic bearing is fixedly connected, variable speed magnetic bearing right side end with fixedly connected with variable speed compression spring between the variable speed friction wheel chamber right side end wall, fixedly connected with is located in the variable speed friction wheel chamber right side end wall variable speed compression spring inboard and its left side end can with the variable speed electro-magnet of the terminal butt in variable speed magnetic bearing right side, variable speed compression spring's elasticity is less than variable speed electro-magnet's maximum electromagnetic adsorption power.
On the basis of the technical scheme, the right end wall of the impeller belt wheel cavity is connected with an impeller transmission shaft which extends leftwards and penetrates through the impeller belt wheel cavity until the impeller transmission shaft extends into the airflow cavity in a rotating and matching manner, the impeller transmission shaft and the impeller variable-speed shaft are in power fit connection with an impeller transmission belt positioned in the impeller belt wheel cavity, the outer edge surface of the impeller transmission shaft is fixedly connected with an air suction impeller positioned in the airflow cavity, the lower end wall of the airflow cavity is rotationally and cooperatively connected with an airflow feedback shaft which extends upwards and penetrates through the airflow cavity until the airflow feedback shaft extends into the upper end wall of the pressure regulating centrifugal cavity, the outer edge surface of the airflow feedback shaft is fixedly connected with an airflow induction fan wheel positioned in the airflow cavity, the outer edge surface of the airflow feedback shaft is fixedly connected with four pressure-regulating centrifugal blocks which are positioned in the pressure-regulating centrifugal cavity and are circumferentially arranged by taking the airflow feedback shaft as a center.
On the basis of the technical scheme, a centrifugal slide block cavity with an outward opening communicated with the pressure regulating centrifugal cavity is arranged in the pressure regulating centrifugal block, the inner end wall of the cavity of the centrifugal sliding block is connected with a centrifugal sliding block with a part capable of sliding into the pressure regulating push block cavity in a sliding fit way, a centrifugal extension spring is fixedly connected between the inner end of the centrifugal sliding block and the inner end wall of the cavity of the centrifugal sliding block, the outer edge surface of the centrifugal sliding block is fixedly connected with a centrifugal fixed block the inner end of which is flush with the inner end of the centrifugal sliding block, the outer end wall of the centrifugal sliding block cavity is internally and fixedly connected with a centrifugal limiting block, the outer end of the centrifugal limiting block is flush with the outer end of the pressure regulating centrifugal block and is penetrated by the centrifugal sliding block, the centrifugal limiting block and the centrifugal sliding block are in sliding fit connection, and the centrifugal limiting block can be abutted against the outer end of the centrifugal fixing block, the tail end of the outer side of the centrifugal sliding block is fixedly connected with an electromagnet trigger which can enter the pressure regulating push block cavity.
On the basis of the technical scheme, the inner end wall of the cavity of the pressure regulating slide block is connected with an inner and outer sliding pressure regulating slide block in a sliding fit manner, the outer end of the pressure regulating slide block is fixedly connected with an inner thread slide block, a thread pressure regulating cavity with an outward opening communicated with the pressure regulating slide block cavity is arranged in the inner thread slide block, the outer end wall of the thread pressure regulating cavity is internally and fixedly connected with a pressure regulating limiting block with the outer end flushed with the outer end of the inner thread slide block, the inner end wall of the thread pressure regulating cavity is connected with a pressure regulating rotating shaft which extends outwards and penetrates through the pressure regulating limiting block until extending into the outer end wall of the pressure regulating pulley cavity in a sliding fit manner, the pressure regulating rotating shaft is connected with the pressure regulating limiting block in a sliding fit manner, the outer edge surface of the pressure regulating rotating shaft is fixedly connected with a pressure regulating thread block which can be, the lower side is connected with the pressure regulating knob shaft which extends upwards and runs through the pressure regulating pulley cavity and the pressure regulating bevel gear cavity until the pressure regulating knob shaft extends to the outside in a rotating fit manner on the outer end wall of the pressure regulating pulley cavity.
On the basis of the technical scheme, a pressure regulating driving belt located in a pressure regulating pulley cavity is connected between the pressure regulating knob shaft and the pressure regulating rotating shaft in a power matching manner, a pressure regulating knob is fixedly connected to the tail end of the upper side of the pressure regulating knob shaft, a pressure regulating rotating disc pin located in the pressure regulating bevel gear cavity is fixedly connected to the outer edge surface of the pressure regulating knob shaft in a rotating and matching manner, a pressure regulating worm shaft extending rightwards to the reciprocating worm cavity and extending leftwards to the pressure regulating bevel gear cavity is connected to the right end wall of the pressure regulating bevel gear cavity in a rotating and matching manner, a pressure regulating secondary bevel gear meshed with the pressure regulating rotating disc pin is fixedly connected to the inner edge surface of the pressure regulating bevel gear cavity and located in the reciprocating worm cavity, a reciprocating worm shaft extending downwards and penetrating through the reciprocating worm cavity until extending to the inner end of the pressure regulating main bevel gear is connected to the inner end wall of the reciprocating worm cavity in, and the outer edge surface of the reciprocating worm wheel shaft is fixedly connected with a reciprocating worm wheel which is positioned in the reciprocating worm cavity and is meshed with the worm.
On the basis of the technical scheme, reciprocating worm wheel outer edge face fixedly connected with is located the reciprocating rotary table of pressure regulating in the pressure regulating main bevel gear, the terminal fixedly connected with pressure regulating reciprocating cavity of pressure regulating reciprocating rotary table downside, sliding fit is connected with can with the pressure regulating feedback ejector pad of electro-magnet trigger butt on the pressure regulating ejector pad chamber right-hand member wall, be equipped with the pressure regulating feedback chamber of opening right in the pressure regulating feedback ejector pad, fixedly connected with pressure regulating stopper in the pressure regulating feedback chamber left end wall, sliding fit is connected with can slide to with electro-magnet trigger butt and its rear end can with the feedback slider of the terminal butt in pressure regulating stopper right side, feedback slider left side end with fixedly connected with feedback compression spring between the pressure regulating feedback chamber left end wall, pressure regulating reciprocating outer edge face normal running fit be connected with extend to left with the terminal articulated reciprocal push rod in pressure regulating feedback ejector pad left side .
The invention has the beneficial effects that: the air suction impeller is used for guiding oxygen in an oxygen conveying pipe in the respirator to enter the air flow cavity and accelerate to drive the air flow to sense the rotation of the fan wheel, so that the purpose of utilizing the meshing state of the pushing feedback sliding block and the pressure regulating limiting block is achieved, the purpose of stabilizing the oxygen conveying speed in the air flow cavity is achieved, when the speed of outputting the oxygen needs to be changed, the distance between the pressure regulating feedback pushing block and the electromagnet trigger and between the pressure regulating sliding block is adjusted by rotating the pressure regulating knob, the output air pressure is controlled while the speed in the air flow cavity is indirectly controlled while the speed of the variable-speed friction wheel is controlled, and the purpose of outputting the air pressure is ensured while.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of the overall structure of an adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Fig. 5 is a schematic diagram of the structure D-D in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The adjusting device for automatically adjusting and stabilizing the oxygen flow of a breathing machine, which is described in conjunction with the attached drawings 1-5, comprises a main box body 10, an airflow cavity 43 communicated with an oxygen delivery pipe in the breathing machine is arranged in the main box body 10, two pressure-adjusting slider cavities 11 symmetrically arranged up and down with the airflow cavity 43 as the center are communicated with the outer side of the airflow cavity 43, a pressure-adjusting pulley cavity 12 is arranged on the outer side of the pressure-adjusting slider cavity 11, a pressure-adjusting bevel gear cavity 47 positioned at the rear upper side of the airflow cavity 43 is arranged between the pressure-adjusting pulley cavities 12, a reciprocating worm cavity 18 positioned at the upper side of the airflow cavity 43 is arranged at the right side of the pressure-adjusting bevel gear cavity 47, a pressure-adjusting main bevel gear 67 positioned at the upper side of the pressure-adjusting slider cavity 11 is arranged between the reciprocating worm cavity 18 and the airflow cavity 43, a pressure-adjusting push block cavity 22 positioned at the upper side of the airflow cavity 43, the right side of the pressure regulating push block cavity 22 is communicated with a reciprocating push rod 21 positioned on the upper side of the airflow cavity 43, the right side of the reciprocating push rod 21 is communicated with a pressure regulating centrifugal cavity 24 positioned on the upper side of the airflow cavity 43, the right side of the pressure regulating centrifugal cavity 24 is provided with a speed changing friction wheel cavity 40, the upper side of the speed changing friction wheel cavity 40 is communicated with a speed changing conical wheel cavity 28 positioned on the right upper side of the pressure regulating centrifugal cavity 24, the right side of the speed changing conical wheel cavity 28 is provided with a motor straight gear cavity 31 positioned on the right upper side of the speed changing friction wheel cavity 40, the right side of the motor straight gear cavity 31 is provided with a motor 34, an impeller transmission block 42 positioned on the right side of the pressure regulating centrifugal cavity 24 is fixedly connected in the upper end wall of the airflow cavity 43, and a belt wheel impeller cavity 26 which extends upwards into the main box body 10 and is positioned between the, the motor 34 is characterized in that the left end of the motor is fixedly connected with a motor shaft 33 which extends leftwards into the motor straight gear cavity 31, and the outer edge surface of the motor shaft 33 is fixedly connected with a motor straight gear 32 which is positioned in the motor straight gear cavity 31.
In addition, in one embodiment, the left end wall of the motor straight gear cavity 31 is connected with a speed change bevel gear shaft 30 which extends to the speed change bevel gear cavity 28 from the lower left side to the upper right side, the outer edge surface of the speed change bevel gear shaft 30 is fixedly connected with a transmission bevel gear 35 which is positioned in the motor straight gear cavity 31 and is engaged with the motor straight gear 32, the outer edge surface of the speed change bevel gear shaft 30 is fixedly connected with a speed change bevel gear 29 which is positioned in the speed change bevel gear cavity 28, the right end wall of the speed change bevel gear cavity 40 is connected with an impeller speed change shaft 27 which extends to the left side and penetrates through the speed change bevel gear cavity 40 until extending to the left end wall of the impeller belt gear cavity 26 in a rotating fit manner, the outer edge surface of the impeller speed change shaft 27 is connected with a speed change friction gear 36 which is positioned in the speed change bevel gear cavity 40 and is abutted to the outer edge surface 2 in a spline, the terminal fixedly connected with variable speed magnetic bearing 37 in the right side of variable speed friction wheel 36, variable speed magnetic bearing 37 right side end with fixedly connected with variable speed compression spring 39 between the variable speed friction wheel chamber 40 right end wall, fixedly connected with is located in the variable speed compression spring 39 inboard and its left side end can with variable speed electromagnet 38 of the terminal butt in variable speed magnetic bearing 37 right side, the elasticity of variable speed compression spring 39 is less than the biggest electromagnetic adsorption power of variable speed electromagnet 38.
In addition, in one embodiment, an impeller transmission shaft 44 extending leftwards and penetrating the impeller pulley cavity 26 to extend into the airflow cavity 43 is connected in a rotationally fitting manner in the right end wall of the impeller pulley cavity 26, the impeller transmission shaft 44 and the impeller speed change shaft 27 are connected with an impeller transmission belt 41 positioned in the impeller transmission chamber 26 in a power fit manner, the outer edge surface of the impeller transmission shaft 44 is fixedly connected with a suction impeller 45 positioned in the airflow cavity 43, an airflow feedback shaft 25 which extends upwards and penetrates through the airflow cavity 43 to extend into the upper end wall of the pressure regulating centrifugal cavity 24 is connected in a rotating fit mode in the lower end wall of the airflow cavity 43, an airflow induction fan wheel 46 positioned in the airflow cavity 43 is fixedly connected with the outer edge surface of the airflow feedback shaft 25, the outer edge surface of the airflow feedback shaft 25 is fixedly connected with four pressure-regulating centrifugal blocks 55 which are positioned in the pressure-regulating centrifugal cavity 24 and are circumferentially arranged by taking the airflow feedback shaft 25 as a center.
In addition, in one embodiment, a centrifugal slider cavity 56 with an outward opening communicated with the pressure regulating centrifugal cavity 24 is arranged in the pressure regulating centrifugal block 55, a centrifugal slider 59 with a part capable of sliding into the pressure regulating push block cavity 22 is connected on the inner end wall of the centrifugal slider cavity 56 in a sliding fit manner, a centrifugal extension spring 58 is fixedly connected between the inner end of the centrifugal slider 59 and the inner end wall of the centrifugal slider cavity 56, a centrifugal fixed block 57 with an inner end flush with the inner end of the centrifugal slider 59 is fixedly connected on the outer edge surface of the centrifugal slider 59, a centrifugal limit block 60 with an outer end flush with the outer end of the pressure regulating centrifugal block 55 and penetrated by the centrifugal slider 59 is fixedly connected in the outer end wall of the centrifugal slider cavity 56, the centrifugal limit block 60 is connected with each other in a sliding fit manner and can abut against the outer end of the centrifugal fixed block 57, the outer end of the centrifugal sliding block 59 is fixedly connected with an electromagnet trigger 61 which can enter the pressure regulating push block cavity 22.
In addition, in an embodiment, sliding fit is connected with inside and outside gliding pressure regulating slider 15 on the inner end wall in pressure regulating slider chamber 11, the terminal fixed connection in pressure regulating slider 15 outside has internal thread slider 65, be equipped with in the internal thread slider 65 the opening outwards with the screw thread pressure regulating chamber 66 of pressure regulating slider chamber 11 intercommunication, its outside terminal of fixedly connected with in the outer end wall in screw thread pressure regulating chamber 66 with the pressure regulating stopper 63 that the terminal outside of internal thread slider 65 flushes, sliding fit is connected with and extends outward and runs through on the inner end wall in screw thread pressure regulating chamber 66 pressure regulating stopper 63 is up to extend to pressure regulating pivot 13 in the outer end wall in pressure regulating pulley chamber 12, pressure regulating pivot 13 with be sliding fit connection between the pressure regulating stopper 63, pressure regulating pivot 13 outer edge face fixedly connected with be located in the screw thread pressure regulating chamber 66 can with pressure regulating stopper 63 butt and with between the outer end wall in screw thread pressure regulating chamber 66 be screw thread fit connection The pressure regulating external thread block 64, the lower side is connected with the pressure regulating pinch roller cavity 12 outer end wall internal rotation fit and extends upwards and link up the pressure regulating pinch roller cavity 12 the pressure regulating bevel gear cavity 47 is until extending to external pressure regulating knob shaft 16.
In addition, in an embodiment, pressure regulating knob axle 16 with power fit between the pressure regulating pivot 13 is connected with and is located pressure regulating drive belt 14 in pressure regulating pulley chamber 12, the terminal fixedly connected with pressure regulating knob 17 of pressure regulating knob axle 16 upside, 16 outer fringe face fixedly connected with of pressure regulating knob axle is located pressure regulating carousel round pin 69 in pressure regulating bevel gear chamber 47, the normal running fit is connected with on the wall of pressure regulating bevel gear chamber 47 right-hand member extends to right in 18 reciprocal worm gear chamber and extend to left pressure regulating worm shaft 49 in pressure regulating bevel gear chamber 47, pressure regulating worm shaft 49 outer fringe face fixedly connected with is located in pressure regulating bevel gear chamber 47 with pressure regulating secondary bevel gear 48 of pressure regulating carousel round pin 69 meshing, pressure regulating worm shaft 49 outer fringe face fixedly connected with is located worm 50 in reciprocal worm gear chamber 18, the cooperation is connected with in reciprocating worm gear chamber 18 upper end wall and extends downwards and runs through reciprocal worm gear chamber 18 is until extending to extend The reciprocating worm wheel shaft 19 extends into the pressure regulating main bevel gear 67, and the outer edge surface of the reciprocating worm wheel shaft 19 is fixedly connected with a reciprocating worm wheel 20 which is positioned in the reciprocating worm cavity 18 and meshed with the worm 50.
In addition, in one embodiment, the outer edge surface of the reciprocating worm wheel 20 is fixedly connected with a pressure regulating reciprocating rotary table 23 positioned in the pressure regulating main bevel gear 67, the lower end of the pressure regulating reciprocating rotary table 23 is fixedly connected with a pressure regulating reciprocating cavity 68, the right end wall of the pressure regulating push block cavity 22 is connected with a pressure regulating feedback push block 51 capable of being abutted against the electromagnet trigger 61 in a sliding fit manner, the pressure regulating feedback push block 51 is internally provided with a pressure regulating feedback cavity 52 with a right opening, the left end wall of the pressure regulating feedback cavity 52 is internally fixedly connected with a pressure regulating limiting block 62, the left end wall of the pressure regulating feedback cavity 52 is connected with a feedback slide block 54 capable of sliding against the electromagnet trigger 61 and abutting against the right end of the pressure regulating limiting block 62 in a sliding fit manner, a feedback compression spring 53 is fixedly connected between the left end of the feedback slide block 54 and the left end wall of, the outer edge surface of the pressure regulating reciprocating cavity 68 is connected with a reciprocating push rod 21 which extends leftwards and is hinged with the tail end of the left side of the pressure regulating feedback push block 51 in a rotating matching mode.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-5, when the device of the present invention is in an initial state, the motor 34 is in a shutdown state, the variable-speed electromagnet 38 is in a power-off state, the pressure-regulating limiting block 62 is in a power-off state, the variable-speed friction wheel 36 is at the leftmost side of the variable-speed friction wheel cavity 40, the centrifugal slider 59 is at the innermost side of the centrifugal slider cavity 56, the feedback slider 54 is abutted against the electromagnet trigger 61, the pressure-regulating feedback push block 51 is at the rightmost side in the pressure-regulating push block cavity 22, the pressure-regulating external thread block 64 is at the outermost side in the threaded pressure-regulating cavity 66, the feedback compression spring 53, the centrifugal extension spring 58 and the variable-speed,
sequence of mechanical actions of the whole device:
when the device starts to work, the device is installed in a respirator, the airflow cavity 43 is communicated with an oxygen conveying pipe in the respirator, the pressure regulating limiting block 62 and the variable speed electromagnet 38 are electrified, the motor 34 is started after the operation is finished, the motor 34 is started to drive the motor shaft 33 to rotate, the motor shaft 33 drives the motor spur gear 32 to rotate, the motor spur gear 32 rotates to drive the variable speed conical wheel shaft 30 to rotate through the transmission bevel gear 35, the variable speed conical wheel shaft 30 rotates to drive the variable speed conical wheel 29 to rotate, the variable speed conical wheel 29 rotates to drive the variable speed friction wheel 36 to rotate, and the variable speed magnetic bearing 37 moves rightwards under the electromagnetic adsorption effect of the variable speed electromagnet 38 and overcomes the elastic force of the variable speed compression spring 39, so that the variable speed friction wheel 36 is driven to move along with the rotation speed, and the purpose of changing the rotation speed of the variable speed friction wheel 36 is achieved, meanwhile, the rotation of the variable speed friction wheel 36 drives the rotation of the impeller speed-changing shaft 27, the rotation of the impeller speed-changing shaft 27 drives the rotation of the impeller transmission shaft 44 through the impeller transmission belt 41, the rotation of the impeller transmission shaft 44 drives the rotation of the air suction impeller 45, the rotation of the air suction impeller 45 drives the oxygen on the right side of the air flow cavity 43 to move to the left, so that the uniform air flow is generated to drive the rotation of the air flow induction fan wheel 46, the rotation of the air flow induction fan wheel 46 drives the rotation of the air flow feedback shaft 25, the rotation of the air flow feedback shaft 25 drives the rotation of the pressure regulating centrifugal block 55, the rotation of the pressure regulating centrifugal block 55 drives the centrifugal sliding block 59 under the centrifugal action to drive the elastic action of the centrifugal tension spring 58 to move outwards, the movement of the centrifugal tension spring 58 drives the centrifugal fixing block 57 and the electromagnet trigger 61 to move, and when the variable speed friction wheel 36 is accelerated to the rotation of the air flow induction fan wheel 46 through the air The rotating speed is continuously increased, so that the feedback slide block 54 overcomes the elastic force of the feedback compression spring 53 and moves leftwards under the thrust action of the electromagnet trigger 61 until the feedback slide block abuts against the pressure regulating limiting block 62, and the pressure regulating limiting block 62 is triggered to ensure that the variable speed electromagnet 38 stops increasing the electromagnetic adsorption force to keep the variable speed friction wheel 36 static, so that the aim of stabilizing the air flow rate and ensuring the oxygen supply speed is fulfilled;
when the oxygen output quantity needs to be adjusted, the pressure adjusting knob 17 is rotated, the rotation of the pressure adjusting knob 17 drives the rotation of the pressure adjusting knob shaft 16, so as to drive the rotation of the pressure adjusting turntable pin 69, the rotation of the pressure adjusting turntable pin 69 drives the rotation of the pressure adjusting secondary bevel gear 48, the rotation of the pressure adjusting secondary bevel gear 48 drives the rotation of the pressure adjusting worm shaft 49, so as to drive the rotation of the reciprocating worm wheel 20 through the worm 50, the rotation of the reciprocating worm wheel 20 drives the rotation of the reciprocating worm wheel shaft 19, the rotation of the reciprocating worm wheel shaft 19 drives the rotation of the pressure adjusting reciprocating turntable 23, so as to drive the pressure adjusting reciprocating cavity 68 to rotate along with the pressure adjusting feedback push block 51 through the reciprocating push rod 21, so as to drive the pressure adjusting stop block 62 to move along with the feedback slide block 54 through the feedback compression spring 53, and the movement of each component in the pressure adjusting feedback push block 51 and the pressure adjusting feedback push block 51 makes the pressure adjusting stop block 62 separate from the feedback slide block 54 again The variable speed electromagnet 38 continuously increases the electromagnetic adsorption force to drive the rotation speed of the air suction impeller 45 to be increased, so that the flow speed of the air flow is increased, the distance of outward movement of the electromagnet trigger 61 is increased by increasing the flow speed of the air flow in the air flow cavity 43 until the feedback slide block 54 is pressed again to overcome the elastic force of the feedback compression spring 53 and abut against the pressure regulating limiting block 62, and the purpose of changing the oxygen delivery amount is finished;
also drive the rotation of pressure regulating pivot 13 through pressure regulating drive belt 14 when pressure regulating knob axle 16 rotates, thereby drive the rotation of pressure regulating external screw thread piece 64, and the rotation of pressure regulating external screw thread piece 64 drives internal thread slider 65 relative pressure regulating external screw thread piece 64 rebound, and the rebound of internal thread slider 65 drives pressure regulating slider 15 and follows the removal, thereby the air current inflow sectional area of increase pressure regulating slider chamber 11, thereby reach the outflow atmospheric pressure after reducing through pressure regulating slider chamber 11 in the air current chamber 43, thereby reach and keep the stability of output atmospheric pressure when changing oxygen output, make it can not appear the uncomfortable situation with this stability of guaranteeing patient when using.
The invention has the beneficial effects that: the air suction impeller is used for guiding oxygen in an oxygen conveying pipe in the respirator to enter the air flow cavity and accelerate to drive the air flow to sense the rotation of the fan wheel, so that the purpose of utilizing the meshing state of the pushing feedback sliding block and the pressure regulating limiting block is achieved, the purpose of stabilizing the oxygen conveying speed in the air flow cavity is achieved, when the speed of outputting the oxygen needs to be changed, the distance between the pressure regulating feedback pushing block and the electromagnet trigger and between the pressure regulating sliding block is adjusted by rotating the pressure regulating knob, the output air pressure is controlled while the speed in the air flow cavity is indirectly controlled while the speed of the variable-speed friction wheel is controlled, and the purpose of outputting the air pressure is ensured while.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic adjusting and stabilize adjusting device of breathing machine oxygen flow, includes the main tank body, its characterized in that: an air flow cavity communicated with an oxygen conveying pipe in the respirator is arranged in the main box body, two pressure regulating slide block cavities which are symmetrically arranged up and down by taking the air flow cavity as the center are communicated and arranged on the outer side of the air flow cavity, a pressure regulating belt wheel cavity is arranged on the outer side of the pressure regulating slide block cavity, a pressure regulating bevel gear cavity positioned on the rear upper side of the air flow cavity is arranged between the pressure regulating belt wheel cavities, a reciprocating worm cavity positioned on the upper side of the air flow cavity is arranged on the right side of the pressure regulating bevel gear cavity, a pressure regulating main bevel gear positioned on the right side of the pressure regulating slide block cavity is arranged between the reciprocating worm cavity and the air flow cavity, a pressure regulating push block cavity positioned on the upper side of the air flow cavity is communicated and arranged on the right side of the pressure regulating main bevel gear, a reciprocating push rod positioned on the upper side of the air flow cavity is communicated and arranged on the, pressure regulating centrifugal chamber right side is equipped with variable speed friction wheel chamber, variable speed friction wheel chamber upside intercommunication is equipped with and is located the variable speed cone chamber of the upper right side of pressure regulating centrifugal chamber, variable speed cone chamber right side is equipped with and is located the motor spur gear chamber of the upper right side of variable speed friction wheel chamber, motor spur gear chamber right side is equipped with the motor, fixedly connected with is located in the air current chamber upper end wall impeller drive block on pressure regulating centrifugal chamber right side, be equipped with in the impeller drive block and upwards extend to just be located in the main tank variable speed friction wheel chamber with impeller band pulley chamber between the pressure regulating centrifugal chamber, the terminal fixedly connected with in motor left side extends to left the motor shaft of motor spur gear intracavity, motor shaft outer fringe face fixedly connected with is located the motor spur gear of motor spur gear intracavity.
2. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 1, wherein: the motor straight gear chamber left end wall goes up running fit and is connected with and extends to downside left the variable speed cone pulley intracavity and upside right extend to the variable speed cone pulley axle of motor straight gear intracavity, variable speed cone pulley axle outer fringe face fixedly connected with be located motor straight gear intracavity with the transmission bevel gear of motor straight gear meshing, variable speed cone pulley axle outer fringe face fixedly connected with is located the variable speed cone pulley of variable speed cone pulley intracavity, variable speed friction wheel chamber right end wall internal rotation running fit is connected with extend left and run through the variable speed friction wheel chamber until extend to the impeller speed change axle in the impeller belt pulley chamber left end wall, impeller speed change axle outer fringe face spline fit is connected with be located the variable speed friction wheel intracavity and with the variable speed friction wheel of outer fringe face butt, variable speed friction wheel right side end fixedly connected with variable speed magnetic bearing, variable speed magnetic bearing right side end with fixedly connected with variable speed compression spring between the variable speed friction wheel chamber right side end wall, fixedly connected with is located in the variable speed friction wheel chamber right side end wall variable speed compression spring inboard and its left side end can with the variable speed electro-magnet of the terminal butt in variable speed magnetic bearing right side, variable speed compression spring's elasticity is less than variable speed electro-magnet's maximum electromagnetic adsorption power.
3. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 1, wherein: the impeller belt wheel cavity right end wall is connected with an impeller transmission shaft which extends leftwards and penetrates through the impeller belt wheel cavity until the impeller transmission shaft extends into the airflow cavity in a rotating fit mode, an impeller transmission belt which is located in the impeller belt wheel cavity is connected between the impeller transmission shaft and the impeller speed change shaft in a power fit mode, the outer edge surface of the impeller transmission shaft is fixedly connected with an air suction impeller which is located in the airflow cavity, the lower end wall of the airflow cavity is connected with an airflow feedback shaft which extends upwards and penetrates through the airflow cavity until the airflow cavity extends into the upper end wall of the pressure regulating centrifugal cavity in a rotating fit mode, the outer edge surface of the airflow feedback shaft is fixedly connected with an airflow induction fan wheel which is located in the airflow cavity, and the outer edge surface of the airflow feedback shaft is fixedly connected with four pressure regulating centrifugal blocks which are located in.
4. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 3, wherein: a centrifugal slide block cavity with an outward opening communicated with the pressure regulating centrifugal cavity is arranged in the pressure regulating centrifugal block, the inner end wall of the cavity of the centrifugal sliding block is connected with a centrifugal sliding block with a part capable of sliding into the pressure regulating push block cavity in a sliding fit way, a centrifugal extension spring is fixedly connected between the inner end of the centrifugal sliding block and the inner end wall of the cavity of the centrifugal sliding block, the outer edge surface of the centrifugal sliding block is fixedly connected with a centrifugal fixed block the inner end of which is flush with the inner end of the centrifugal sliding block, the outer end wall of the centrifugal sliding block cavity is internally and fixedly connected with a centrifugal limiting block, the outer end of the centrifugal limiting block is flush with the outer end of the pressure regulating centrifugal block and is penetrated by the centrifugal sliding block, the centrifugal limiting block and the centrifugal sliding block are in sliding fit connection, and the centrifugal limiting block can be abutted against the outer end of the centrifugal fixing block, the tail end of the outer side of the centrifugal sliding block is fixedly connected with an electromagnet trigger which can enter the pressure regulating push block cavity.
5. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 1, wherein: the inner end wall of the cavity of the pressure regulating slide block is connected with an inner and outer sliding pressure regulating slide block in a sliding fit manner, the outer end of the pressure regulating slide block is fixedly connected with an inner thread slide block, a thread pressure regulating cavity with an opening communicated with the pressure regulating slide block cavity is arranged in the inner thread slide block, the outer end of the thread pressure regulating cavity is fixedly connected with a pressure regulating limiting block with the outer end flushed with the outer end of the inner thread slide block, the inner end wall of the thread pressure regulating cavity is connected with a pressure regulating rotating shaft which extends outwards and penetrates through the pressure regulating limiting block until extending into the outer end wall of the pressure regulating pulley cavity in a sliding fit manner, the pressure regulating rotating shaft is connected with the pressure regulating limiting block in a sliding fit manner, the outer edge surface of the pressure regulating rotating shaft is fixedly connected with a pressure regulating outer thread block which is positioned in the thread pressure, the lower side is connected with the pressure regulating knob shaft which extends upwards and runs through the pressure regulating pulley cavity and the pressure regulating bevel gear cavity until the pressure regulating knob shaft extends to the outside in a rotating fit manner on the outer end wall of the pressure regulating pulley cavity.
6. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 1, wherein: the pressure regulating mechanism is characterized in that a pressure regulating transmission belt positioned in a pressure regulating pulley cavity is connected between the pressure regulating knob shaft and the pressure regulating rotating shaft in a power matching manner, a pressure regulating knob is fixedly connected to the tail end of the upper side of the pressure regulating knob shaft, a pressure regulating rotating disc pin fixedly connected to the outer edge surface of the pressure regulating knob shaft is positioned in the pressure regulating bevel gear cavity, a pressure regulating shaft extending to the inside of the reciprocating worm cavity rightwards and extending to the inside of the pressure regulating bevel gear cavity leftwards is connected to the right end wall of the pressure regulating bevel gear cavity in a rotating and matching manner, a pressure regulating auxiliary bevel gear which is positioned in the inside of the pressure regulating bevel gear cavity and is meshed with the pressure regulating rotating disc pin is fixedly connected to the outer edge surface of the pressure regulating worm shaft, a worm positioned in the reciprocating worm cavity is connected to the upper end wall of the reciprocating worm cavity in a rotating and matching manner, and the outer edge surface of the reciprocating worm wheel shaft is fixedly connected with a reciprocating worm wheel which is positioned in the reciprocating worm cavity and is meshed with the worm.
7. The adjusting device for automatically adjusting and stabilizing the oxygen flow of a respirator according to claim 6, wherein: the outer edge surface of the reciprocating worm wheel is fixedly connected with a pressure regulating reciprocating turntable positioned in the pressure regulating main bevel gear, the tail end of the lower side of the pressure regulating reciprocating rotary disc is fixedly connected with a pressure regulating reciprocating cavity, the wall of the right end of the pressure regulating push block cavity is connected with a pressure regulating feedback push block which can be abutted against the electromagnet trigger in a sliding fit manner, a pressure regulating feedback cavity with a right opening is arranged in the pressure regulating feedback push block, a pressure regulating limiting block is fixedly connected in the left end wall of the pressure regulating feedback cavity, the left end wall of the pressure regulating feedback cavity is connected with a feedback slide block which can slide to abut against the electromagnet trigger and the tail end of the rear side of the pressure regulating feedback cavity can abut against the tail end of the right side of the pressure regulating limiting block in a sliding fit manner, a feedback compression spring is fixedly connected between the left end of the feedback slide block and the left end wall of the pressure regulating feedback cavity, the outer edge surface of the pressure regulating reciprocating cavity is connected with a reciprocating push rod which extends leftwards to be hinged with the tail end of the left side of the pressure regulating feedback push block in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035955.0A CN112587777A (en) | 2021-01-12 | 2021-01-12 | Adjusting device for automatically adjusting and stabilizing oxygen flow of breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035955.0A CN112587777A (en) | 2021-01-12 | 2021-01-12 | Adjusting device for automatically adjusting and stabilizing oxygen flow of breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112587777A true CN112587777A (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110035955.0A Withdrawn CN112587777A (en) | 2021-01-12 | 2021-01-12 | Adjusting device for automatically adjusting and stabilizing oxygen flow of breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112587777A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168077A (en) * | 2006-10-23 | 2008-04-30 | 杨福生 | Ventilation proportion valve for respirator |
| CN210904483U (en) * | 2019-07-31 | 2020-07-03 | 安阳市肿瘤医院 | Flow-adjustable portable respirator |
| CN112013145A (en) * | 2020-09-11 | 2020-12-01 | 杭州可慧机械科技有限公司 | Valve body device capable of automatically controlling flow velocity |
| CN112197359A (en) * | 2020-10-19 | 2021-01-08 | 衢州若楠智能控制系统有限公司 | But automatically regulated power and automatic shutdown's dehydrating unit |
-
2021
- 2021-01-12 CN CN202110035955.0A patent/CN112587777A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168077A (en) * | 2006-10-23 | 2008-04-30 | 杨福生 | Ventilation proportion valve for respirator |
| CN210904483U (en) * | 2019-07-31 | 2020-07-03 | 安阳市肿瘤医院 | Flow-adjustable portable respirator |
| CN112013145A (en) * | 2020-09-11 | 2020-12-01 | 杭州可慧机械科技有限公司 | Valve body device capable of automatically controlling flow velocity |
| CN112197359A (en) * | 2020-10-19 | 2021-01-08 | 衢州若楠智能控制系统有限公司 | But automatically regulated power and automatic shutdown's dehydrating unit |
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