CN109602963B - Oxygen uptake and negative pressure suction integrated module - Google Patents
Oxygen uptake and negative pressure suction integrated module Download PDFInfo
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- CN109602963B CN109602963B CN201811638097.3A CN201811638097A CN109602963B CN 109602963 B CN109602963 B CN 109602963B CN 201811638097 A CN201811638097 A CN 201811638097A CN 109602963 B CN109602963 B CN 109602963B
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- 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
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- A—HUMAN NECESSITIES
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
Abstract
The invention provides an oxygen inhalation and negative pressure inhalation integrated module, which comprises a valve body, an air inlet joint, a first air outlet terminal, a second air outlet terminal, an adjusting needle valve, a negative pressure generator and a negative pressure safety valve, wherein the air inlet joint, the first air outlet terminal, the second air outlet terminal, the adjusting needle valve, the negative pressure generator and the negative pressure safety valve are arranged on the valve body; a flow passage Qf2, a flow passage Qf3, an inclined hole, an annular cavity Qb1, an annular cavity Qb2, a passage Qb6 and an air cavity Qb9 are arranged in the valve body; inside runner Qf1 that can open that is equipped with of air inlet connector, the inside runner Qf4 that is equipped with of first terminal of giving vent to anger, runner Qf6, the inside runner Qf5 that is equipped with of second terminal of giving vent to anger, runner Qf7, negative pressure generator includes the nozzle, the diffuser, amortization cover and amortization sponge, be equipped with annular chamber Qb3 in the big opening end of nozzle, be equipped with in the little open end and spray chamber Qb4, the inside passageway Qb7 that is equipped with of relief valve body, be equipped with round hole Qb8 on the main aspects of relief valve body, be equipped with mixing chamber Qb5 and diffusion chamber Qb 829. The invention can supply oxygen according to the requirement of the patient and can carry out negative pressure suction treatment under the condition of no vacuum source.
Description
Technical Field
The invention relates to a medical center oxygen supply and center suction system, in particular to an oxygen inhalation and negative pressure suction integrated module.
Background
With the development of medical industry, oxygen supply and central suction systems in medical centers are gradually adopted by various hospitals, and secondary products such as an oxygen inhaler and a negative pressure regulator are widely applied to meet the requirements of oxygen supply and negative pressure suction among patients. However, conventional equipment for domestic hospitals of two or more levels is not provided for hospitals in many areas, and particularly negative pressure suction sources are rare in hospitals in villages and towns and communities, which causes problems that the application field of negative pressure suction for patients is narrow, and the technical level of domestic negative pressure suction treatment is low.
From another point of view, for small hospitals with limited budget funds, the shortage of medical equipment is serious, patients who carry out negative pressure suction treatment are relatively few, and the hospitals basically can not invest a large amount of funds on a suction system of a medical center because the system comprising a vacuum pump unit, a pipe, an electric control cabinet and an alarm is very high in price.
The medical central suction system has high cost, and for hospitals with low negative pressure suction treatment frequency and limited budget, the hospital can not invest funds, particularly hospitals with low medical level such as communities, villages and towns and the like can not lay pipelines, the gas supply mode is only oxygen cylinders, and after the gas of each steel cylinder is decompressed and stabilized by a decompressor, the gas is supplied to a patient for oxygen inhalation by the oxygen inhaler.
Therefore, the oxygen bottle is not reasonably utilized, medical accidents are easily caused if a plurality of patients need to inhale oxygen and the number of the oxygen bottles is insufficient, and medical institutions are further caught in the embarrassment of catching the elbow if clinical patients need negative pressure suction therapy such as sputum suction, pus suction and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an oxygen inhalation and negative pressure suction integrated module which has small volume and strong feasibility polarity, can supply oxygen according to the requirements of patients (users) and can perform negative pressure suction treatment on occasions without vacuum sources.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the oxygen inhalation and negative pressure inhalation integrated module comprises a valve body, an air inlet joint, a first air outlet terminal, a second air outlet terminal, an adjusting needle valve, a negative pressure generator and a negative pressure safety valve, wherein the air inlet joint, the first air outlet terminal, the second air outlet terminal, the adjusting needle valve, the negative pressure generator and the negative pressure safety valve are arranged on the valve body;
the valve body is provided with an air inlet joint interface, a first air outlet terminal interface, a second air outlet terminal interface, an adjusting needle valve interface, a negative pressure generator interface, a negative pressure safety valve interface, a threaded hole Sf1 and a negative pressure suction port; a flow passage Qf2, a flow passage Qf3, an inclined hole, an annular cavity Qb1, an annular cavity Qb2, a passage Qb6 and an air cavity Qb9 are arranged in the valve body;
one end of the air inlet connector is connected with the air inlet connector interface, the other end of the air inlet connector is connected with an external air terminal, an openable flow passage Qf1 is arranged in the air inlet connector, and the flow passage Qf1 is communicated with the flow passage Qf2 and the flow passage Qf 3;
one end of the first air outlet terminal is connected with the first air outlet terminal interface, the other end of the first air outlet terminal is connected with the external oxygen inhaler, a flow passage Qf4 and a flow passage Qf6 are arranged in the first air outlet terminal, and the flow passage Qf4 and the flow passage Qf6 are communicated with the flow passage Qf2 and the flow passage Qf 1;
one end of the second air outlet terminal is connected with the second air outlet terminal interface, the other end of the second air outlet terminal is connected with the external oxygen inhaler, a flow passage Qf5 and a flow passage Qf7 are arranged in the second air outlet terminal, and the flow passage Qf5 and the flow passage Qf7 are communicated with the flow passage Qf3 and the flow passage Qf 1;
the adjusting needle valve is used for adjusting the opening degree of a nozzle of the negative pressure generator, one end of the adjusting needle valve is arranged in an adjusting needle valve interface, and the adjusting needle valve interface is communicated with the annular cavity Qb1 and the annular cavity Qb2 in sequence;
one end of the negative pressure generator is connected with a negative pressure generator interface, the negative pressure generator interface is communicated with the air cavity Qb9, the negative pressure generator comprises a nozzle, a diffuser, a silencing cover and a silencing sponge, the nozzle is arranged in the valve body and comprises a large opening end and a small opening end, the large opening end is arranged facing the adjusting needle valve, an annular cavity Qb3 is arranged in the large opening end, an injection cavity Qb4 is arranged in the small opening end, and the annular cavity Qb3 is communicated with the injection cavity Qb 4; one end of the diffuser is arranged in the air cavity Qb9, the other end is arranged outside the valve body, the diffuser is connected with the small opening end of the nozzle, a mixing cavity Qb5 and a diffusion cavity Qb10 are arranged in the diffuser, the mixing cavity Qb5 is communicated with the injection cavity Qb4, one end of the diffusion cavity Qb10 is communicated with the mixing cavity Qb5, and the other end of the diffusion cavity Qb10 is communicated with the silencing cover; the silencing sponge is arranged in the silencing cover which is connected with the diffuser through threads;
the threaded hole Sf1 is used for installing a negative pressure gauge, and the inside of the threaded hole Sf1 is communicated with the channel Qb 6;
the negative pressure suction port is used for the patient to carry out negative pressure suction treatment, the inside of the negative pressure suction port is connected with an air cavity Qb9, and the air cavity Qb9 is communicated with a channel Qb 6;
one end of the negative pressure safety valve is connected with a negative pressure safety valve interface, and the negative pressure safety valve interface is communicated with the channel Qb 6; the negative pressure safety valve comprises a safety valve body, a sealing gasket, a spring seat, a spring and a locking nut, the safety valve body is arranged inside the valve body, a channel Qb7 is arranged inside the safety valve body, the safety valve body comprises a big end and a small end, the small end and the valve body are sealed through an O-shaped sealing ring, the big end is located outside the valve body, a plurality of round holes Qb8 are arranged on the big end, the sealing gasket is arranged at the bottom of the inner side of the big end and used for separating the channel Qb7 from the round holes Qb8, the spring is arranged on the sealing gasket, the spring seat is arranged on the big end and used for fixing the sealing gasket on the inner side of the big end, and.
In one embodiment of the invention, the valve body is in a cuboid shape, six sides of the valve body are all perforated, four corners of the valve body are rounded, the threaded holes Sf1 are formed in the top surface of the valve body, the negative pressure suction port is formed in the bottom surface of the valve body, the air inlet connector port is formed in the front side surface of the valve body, the negative pressure safety valve port is formed in the rear side surface of the valve body, the adjusting needle valve port is formed in the left side surface of the valve body, the negative pressure generator port is formed in the right side surface of the valve body, and the first air outlet terminal port and the second air outlet terminal port are symmetrically arranged on two.
In one embodiment of the invention, a sealing groove is arranged on the opening of the large end of the nozzle, an O-shaped sealing ring is arranged in the sealing groove, the small opening end of the nozzle is of a conical structure, a stepped hole is formed in the small opening end of the nozzle, the front half section is a straight channel, the rear half section is a conical channel, and an acute angle is reserved at the tail part of the hole.
In one embodiment of the invention, the diffuser comprises a large end and a small end, wherein the large end is provided with an external thread, the small end is also provided with an external thread, the outer end of the thread extends out of a ring shape and is provided with a radial hole penetrating through the ring shape, the middle part is a sealing groove position for installing an O-shaped sealing ring, the inner hole of the diffuser is divided into two sections, the front half section is a straight hole, and the rear half section is a conical diffusion hole.
In one embodiment of the invention, the top of the silencing cover is uniformly provided with holes, the side surface of the silencing cover is provided with a groove, and the other end of the silencing cover is provided with internal threads and is in threaded connection with the outer part of the diffuser.
In one embodiment of the invention, the sound-absorbing sponge is of a columnar structure and has a density of 45KG/M3High density sponge.
In one embodiment of the invention, a sealing groove is arranged on the small end of the safety valve body, the O-shaped sealing ring is arranged in the sealing groove, an internal thread is arranged on the large end of the safety valve body, a conical surface protruding structure is arranged at the bottom of the large end of the safety valve body, and the sealing gasket is arranged on the conical surface protruding structure to perform end face sealing.
In one embodiment of the invention, the spring seat is of a cylindrical structure, the outer peripheral surface of the spring seat is provided with external threads, and the inner hexagonal wrench position is arranged inside the spring seat.
In one embodiment of the invention, the locking nut is of an annular structure, the inner wall is provided with internal threads, and the outer wall is provided with knurls.
Through the technical scheme, the invention has the beneficial effects that:
the medical oxygen inhalation and negative pressure suction integrated module takes the pressure source as power and converts negative pressure through the Venturi effect, is a device with small volume and strong feasibility polarity, can supply oxygen according to the requirements of patients (users), and can perform negative pressure suction treatment on occasions without vacuum sources; the air inlet end of the product is connected with a terminal outlet or a pressure reducer outlet, so that two patients can be simultaneously subjected to oxygen inhalation therapy, and one patient is subjected to negative pressure suction therapy; if the negative pressure suction device is used as a matched product of an oxygen cylinder, an anesthesia machine and a respirator, the negative pressure suction device can achieve the effect of achieving twice the result with half the effort, has high efficiency and good energy-saving effect and economy, is worthy of popularization, fully widens the application field of negative pressure suction, and improves the technical level of negative pressure suction treatment.
Drawings
In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of oxygen supply according to the present invention;
FIG. 2 is a schematic view of the vacuum suction of the present invention;
FIG. 3 is an enlarged view of a portion of the vacuum suction apparatus of the present invention;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is a perspective view of the assembled device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1 to 5, the invention discloses an oxygen inhalation and negative pressure inhalation integrated module, which comprises a valve body 100, and an air inlet joint 110, a first air outlet terminal 120, a second air outlet terminal 121, a regulating needle valve 130, a negative pressure generator 140, and a negative pressure safety valve 150 which are arranged on the valve body 100.
The valve body 100 is provided with an air inlet joint interface, a first air outlet terminal interface, a second air outlet terminal interface, an adjusting needle valve interface, a negative pressure generator interface, a negative pressure safety valve interface, a threaded hole Sf1 and a negative pressure suction port (not marked on the figure); the valve body 100 is provided with a flow passage Qf2, a flow passage Qf3, an inclined hole, an annular cavity Qb1, an annular cavity Qb2, a passage Qb6 and an air cavity Qb 9.
The valve body 100 is in a cuboid shape, holes are drilled on six sides of the valve body, four corners of the valve body are rounded (arc surfaces), the threaded holes Sf1 are formed in the top surface of the valve body, the negative pressure suction ports are formed in the bottom surface of the valve body, and the negative pressure suction ports are threaded holes; the air inlet joint interface is arranged on the front side surface of the valve body and is a threaded hole for mounting an air inlet joint; the negative pressure safety valve interface is arranged on the rear side surface of the valve body and used for mounting a negative pressure safety valve; the adjusting needle valve interface is arranged on the left side surface of the valve body and used for installing an adjusting needle valve; the negative pressure generator interface is arranged on the right side surface of the valve body and used for mounting a negative pressure generator; the first air outlet terminal interface and the second air outlet terminal interface are symmetrically arranged on two cambered surfaces on the rear side surface of the valve body, the first air outlet terminal interface is used for installing the first air outlet terminal as an oxygen output port, and the second air outlet terminal interface is used for installing the second air outlet terminal as an oxygen output port.
The air inlet joint 110 is a conventional air inlet joint, comprises a manual knob, a spray pipe, an O-shaped sealing ring and other parts, and is used for supplying air to a product after being connected with an air terminal; one end of the air inlet connector is connected with the air inlet connector interface, the other end of the air inlet connector is connected with an external air terminal, an openable flow passage Qf1 is arranged in the air inlet connector, and the flow passage Qf1 is communicated with the flow passage Qf2 and the flow passage Qf 3.
The first air outlet terminal 120 and the second air outlet terminal 121 are both conventional air outlet terminals, and comprise parts such as a return spring, a valve rod, an O-shaped sealing ring and the like, and are provided with check valve structures; one end of the first air outlet terminal is connected with the first air outlet terminal interface, the other end of the first air outlet terminal is connected with the external oxygen inhaler, a flow passage Qf4 and a flow passage Qf6 are arranged in the first air outlet terminal, and the flow passage Qf4 and the flow passage Qf6 are communicated with the flow passage Qf2 and the flow passage Qf 1; one end of the second air outlet terminal 121 is connected to the second air outlet terminal interface, the other end is connected to the external oxygen inhalation device, a flow passage Qf5 and a flow passage Qf7 are arranged inside the second air outlet terminal, and the flow passage Qf5 and the flow passage Qf7 are communicated with the flow passage Qf3 and the flow passage Qf 1.
The adjusting needle valve 130 is a conventional adjusting valve, one end of the valve rod is needle-shaped, and the adjusting needle valve is an adjusting functional part and has good adjusting performance; the adjusting needle valve is used for adjusting the opening degree of a nozzle of the negative pressure generator, one end of the adjusting needle valve is arranged in an adjusting needle valve interface, and the adjusting needle valve interface is communicated with the annular cavity Qb1 and the annular cavity Qb2 in sequence.
One end of the negative pressure generator 140 is connected with a negative pressure generator interface, the negative pressure generator interface is communicated with the air cavity Qb9, and the negative pressure generator 140 comprises a nozzle 1, a diffuser 2, a silencing cover 3 and a silencing sponge 4;
the nozzle 1 is arranged in the valve body 100 and comprises a large opening end 1a and a small opening end 1b, the large opening end of the nozzle is arranged facing the adjusting needle valve 130, an annular cavity Qb3 is arranged in the large opening end 1a, an injection cavity Qb4 is arranged in the small opening end 1b, and the annular cavity Qb3 is communicated with the injection cavity Qb 4; a sealing groove (not shown in the figure) is arranged on the large-end opening 1a of the nozzle 1, an O-shaped sealing ring 10 is arranged in the sealing groove, the small-end opening 1b of the nozzle 1 is of a conical structure, a stepped hole is formed in the small-end opening, the front half section is a straight channel, the rear half section is a conical channel, and an acute angle is reserved at the tail part of the hole;
the diffuser 2 comprises a large end 2a and a small end 2b, wherein the large end is provided with an external thread, the small end is also provided with an external thread, the outer end of the thread extends out of a ring shape and is provided with a radial hole penetrating through the ring shape, the middle part is a sealing groove position for installing an O-shaped sealing ring 11, the inner hole of the sealing groove position is divided into two sections, the front half section is a straight hole, and the rear half section is a conical diffusion hole; the small end of the diffuser is arranged in the air cavity Qb9, the large end is arranged outside the valve body, the diffuser 2 is connected with the small opening end of the nozzle 1, a mixing cavity Qb5 and a diffusion cavity Qb10 are arranged in the diffuser 2, the mixing cavity Qb5 is communicated with the injection cavity Qb4, one end of the diffusion cavity Qb10 is communicated with the mixing cavity Qb5, and the other end of the diffusion cavity Qb10 is communicated with the silencing cover.
3 top equipartition trompils of amortization cover, the slot is opened to the side, makes gas smoothly discharge, and the other end is the internal thread, with the outside threaded connection of diffuser, and the amortization cover is installed and is located one end in the valve body outside at the diffuser, and amortization sponge 4 sets up in amortization cover 3, and the amortization sponge is the columnar structure, and density is 45KG/M3High density sponge.
The screw hole Sf1 is used for installing a negative pressure gauge, the inside of the screw hole Sf1 is communicated with the passage Qb6, and the negative pressure gauge is used for indicating and monitoring the negative pressure value of the suction port.
The negative pressure suction port is used for the patient to perform negative pressure suction therapy, the inside of the negative pressure suction port is connected with an air cavity Qb9, and the air cavity Qb9 is communicated with a channel Qb 6.
One end of the negative pressure safety valve 150 is connected with a negative pressure safety valve interface which is communicated with the channel Qb 6; the negative pressure safety valve 150 includes a safety valve body 9, a sealing gasket 5, a spring seat 6, a spring 7, and a lock nut 8.
The safety valve body 9 is arranged inside the valve body, a channel Qb7 is arranged inside the safety valve body, the safety valve body comprises a large end 9a and a small end 9b, a sealing groove (not shown in the figure) is arranged on the small end of the safety valve body, and an O-shaped sealing ring 12 is arranged in the sealing groove to prevent gas from leaking through the diffuser; the big end of the safety valve body 9 is provided with internal threads, the bottom of the big end of the safety valve body is provided with a conical surface protruding structure 9c, the sealing gasket 5 is arranged on the conical surface protruding structure 9c for end face sealing, and the big end is provided with a plurality of round holes Qb 8.
The sealing gasket 5 is made of rubber material, and is attached to the conical surface convex structure 9c of the safety valve body 9 to form an end surface sealing structure for separating the channel Qb7 from the round hole Qb 8.
The spring 7 is a standard cylindrical spring, the wire diameter and the rigidity are very small, the reaction is very sensitive, and the spring is arranged on the sealing gasket.
The spring seat 6 is of a cylindrical structure, external threads are arranged on the outer peripheral surface of the spring seat, an inner hexagonal wrench position is arranged in the spring seat, and the spring seat 6 is arranged on the large end 9a and used for fixing the sealing gasket 5 and the spring 7 on the inner side of the large end; the locking nut 8 is of an annular structure, internal threads are formed in the inner wall of the locking nut, knurling is formed in the outer wall of the locking nut, and the locking nut 8 is installed on the spring seat 6 to lock the spring seat 6; the spring seat 6 is rotated by using an inner hexagonal wrench to move up and down, so that the compression amount of the adjusting spring 7 is changed, the opening pressure of the safety valve is controlled, and the pressure is fixed by using a locking nut 8 after the pressure is preset.
The working principle of the invention is as follows:
when the oxygen inhalation device is used, air enters from the air inlet joint 110 through the flow passage Qf1, when a patient needs to inhale oxygen, the insert is connected with the air outlet terminal 120 and 121 through threads and pushes the valve rod to move inwards, at the moment, the spring is further compressed, the O-shaped sealing ring positioned in the groove of the valve rod is separated from the conical sealing surface of the joint, and the air enters secondary equipment such as an oxygen inhaler through the flow passage Qf2(Qf3), the Qf4(Qf5) and the Qf6(Qf7) in sequence for inhaling the oxygen clinically. After the oxygen inhalation is finished, the insert connected with the air outlet terminal is withdrawn, the compression spring is reset to push the valve rod outwards, the O-shaped sealing ring is tightly abutted against the conical sealing surface of the joint again, and the air outlet terminal is closed.
When a patient needs negative pressure suction treatment, gas enters from the air inlet joint 110 through the flow passage Qf1 and flows into the annular area Qb1 through the inclined hole of the valve body 100, and when the knob of the adjusting needle valve 130 is rotated, the valve rod is driven to be converted into linear motion from threaded motion, so that the opening degree between the front end of the valve rod and the nozzle 1 is controlled; the gas passes through the annular cavities Qb1, Qb2 and Qb3, the injection cavity Qb4, the mixing cavity Qb5 and the diffusion cavity Qb10 in sequence, and is exhausted from the notch of the silencing cover 3, and silencing sponge 4 is arranged in the silencing cover, so that the noise generated by exhaust is reduced as much as possible; the Qb9 forms an air suction cavity corresponding to the negative pressure suction port on the bottom surface of the valve body 100 for the negative pressure suction treatment of the patient due to the Venturi effect; the channel communicated with the negative pressure suction port is Qb6, the threaded hole Sf1 is connected with a negative pressure meter to monitor the negative pressure value of the suction port, the bottom surface of the valve body 100 is provided with a positive pressure release valve, the sealing gasket 5 is attached to a safety valve (9 conical surface projection) in a normal state, when the Venturi mode fails and the flow channel Qb6 is in positive pressure, the sealing gasket 5 can be blown up by overcoming the elastic force of the spring 7, and gas is discharged to the atmosphere from the Qb8 round hole through the Qb7 flow channel to prevent the positive pressure harm to a patient caused by the Venturi mode failure and medical accidents.
The present invention is not limited to the above-described embodiments, but various modifications and changes may be made in accordance with design requirements and other factors, such as changes in the position of the holes punched in the valve body and the arrangement of the flow passages, within the scope of the appended claims or their equivalents, and the scope of the present invention is intended to cover such modifications and changes.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The oxygen inhalation and negative pressure inhalation integrated module is characterized by comprising a valve body, an air inlet joint, a first air outlet terminal, a second air outlet terminal, an adjusting needle valve, a negative pressure generator and a negative pressure safety valve, wherein the air inlet joint, the first air outlet terminal, the second air outlet terminal, the adjusting needle valve, the negative pressure generator and the negative pressure safety valve are arranged on the valve body;
the valve body is provided with an air inlet joint interface, a first air outlet terminal interface, a second air outlet terminal interface, an adjusting needle valve interface, a negative pressure generator interface, a negative pressure safety valve interface, a threaded hole Sf1 and a negative pressure suction port; a flow passage Qf2, a flow passage Qf3, an inclined hole, an annular cavity Qb1, an annular cavity Qb2, a passage Qb6 and an air cavity Qb9 are arranged in the valve body;
one end of the air inlet connector is connected with the air inlet connector interface, the other end of the air inlet connector is connected with an external air terminal, an openable flow passage Qf1 is arranged in the air inlet connector, and the flow passage Qf1 is communicated with the flow passage Qf2 and the flow passage Qf 3;
one end of the first air outlet terminal is connected with the first air outlet terminal interface, the other end of the first air outlet terminal is connected with the external oxygen inhaler, a flow passage Qf4 and a flow passage Qf6 are arranged in the first air outlet terminal, and the flow passage Qf4 and the flow passage Qf6 are communicated with the flow passage Qf2 and the flow passage Qf 1;
one end of the second air outlet terminal is connected with the second air outlet terminal interface, the other end of the second air outlet terminal is connected with the external oxygen inhaler, a flow passage Qf5 and a flow passage Qf7 are arranged in the second air outlet terminal, and the flow passage Qf5 and the flow passage Qf7 are communicated with the flow passage Qf3 and the flow passage Qf 1;
the adjusting needle valve is used for adjusting the opening degree of a nozzle of the negative pressure generator, one end of the adjusting needle valve is arranged in an adjusting needle valve interface, and the adjusting needle valve interface is communicated with the annular cavity Qb1 and the annular cavity Qb2 in sequence;
one end of the negative pressure generator is connected with a negative pressure generator interface, the negative pressure generator interface is communicated with the air cavity Qb9, the negative pressure generator comprises a nozzle, a diffuser, a silencing cover and a silencing sponge, the nozzle is arranged in the valve body and comprises a large opening end and a small opening end, the large opening end is arranged facing the adjusting needle valve, an annular cavity Qb3 is arranged in the large opening end, an injection cavity Qb4 is arranged in the small opening end, and the annular cavity Qb3 is communicated with the injection cavity Qb 4; one end of the diffuser is arranged in the air cavity Qb9, the other end is arranged outside the valve body, the diffuser is connected with the small opening end of the nozzle, a mixing cavity Qb5 and a diffusion cavity Qb10 are arranged in the diffuser, the mixing cavity Qb5 is communicated with the injection cavity Qb4, one end of the diffusion cavity Qb10 is communicated with the mixing cavity Qb5, and the other end of the diffusion cavity Qb10 is communicated with the silencing cover; the silencing sponge is arranged in the silencing cover which is connected with the diffuser through threads;
the threaded hole Sf1 is used for installing a negative pressure gauge, and the inside of the threaded hole Sf1 is communicated with the channel Qb 6;
the negative pressure suction port is used for the patient to carry out negative pressure suction treatment, the inside of the negative pressure suction port is connected with an air cavity Qb9, and the air cavity Qb9 is communicated with a channel Qb 6;
one end of the negative pressure safety valve is connected with a negative pressure safety valve interface, and the negative pressure safety valve interface is communicated with the channel Qb 6; the negative pressure safety valve comprises a safety valve body, a sealing gasket, a spring seat, a spring and a locking nut, the safety valve body is arranged inside the valve body, a channel Qb7 is arranged inside the safety valve body, the safety valve body comprises a big end and a small end, the small end and the valve body are sealed through an O-shaped sealing ring, the big end is located outside the valve body, a plurality of round holes Qb8 are arranged on the big end, the sealing gasket is arranged at the bottom of the inner side of the big end and used for separating the channel Qb7 from the round holes Qb8, the spring is arranged on the sealing gasket, the spring seat is arranged on the big end and used for fixing the sealing gasket on the inner side of the big end, and.
2. The integrated oxygen inhalation and vacuum aspiration module of claim 1, wherein the valve body is a rectangular parallelepiped, six faces of the valve body are perforated, four corners of the valve body are rounded, the threaded hole Sf1 is formed on the top face of the valve body, the vacuum aspiration port is formed on the bottom face of the valve body, the air inlet connector port is formed on the front face of the valve body, the vacuum relief valve port is formed on the rear face of the valve body, the adjusting needle valve port is formed on the left face of the valve body, the vacuum generator port is formed on the right face of the valve body, and the first outlet terminal port and the second outlet terminal port are symmetrically formed on two curved faces on the rear face of the valve body.
3. The integrated module of oxygen inhalation and negative pressure inhalation of claim 1, wherein the large end opening of the nozzle is provided with a sealing groove, an O-ring is arranged in the sealing groove, the small opening end of the nozzle is a conical structure, the interior of the small opening end is a stepped hole, the front half section is a straight channel, the rear half section is a conical channel, and the tail part of the hole opening is provided with an acute angle.
4. The integrated oxygen inhalation and vacuum aspiration module of claim 1, wherein the diffuser comprises a large end and a small end, the large end is provided with external threads, the small end is also provided with external threads, the outer end of the threads extends out of a ring shape and is provided with a radial hole penetrating through the ring shape, the middle part is a sealing groove position for installing an O-shaped sealing ring, the inner hole of the sealing groove position is divided into two sections, the front half section is a straight hole, and the rear half section is a conical diffusion hole.
5. The integrated module of oxygen inhalation and vacuum aspiration of claim 1, wherein the muffling enclosure has openings uniformly distributed in the top, grooves on the sides, and internal threads on the opposite end of the muffling enclosure to the top for threaded connection with the exterior of the diffuser.
6. The integrated module of oxygen inhalation and negative pressure inhalation of claim 1, wherein the sound-absorbing sponge is a cylindrical knotStructure, density of 45KG/M3High density sponge.
7. The integrated module of oxygen inhalation and vacuum aspiration of claim 1, wherein the small end of the safety valve body is provided with a sealing groove, the O-ring is disposed in the sealing groove, the large end of the safety valve body is provided with an internal thread, the bottom of the large end of the safety valve body is provided with a conical surface convex structure, and the sealing gasket is disposed on the conical surface convex structure for end face sealing.
8. The integrated module of oxygen inhalation and negative pressure aspiration as claimed in claim 1, wherein the spring seat is a cylindrical structure, and is provided with external threads on the outer peripheral surface and is internally provided with an inner hexagonal wrench.
9. The integrated module of oxygen inhalation and negative pressure inhalation of claim 1, wherein the locking nut is a ring structure, the inner wall is provided with internal threads, and the outer wall is provided with knurls.
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| CN201811638097.3A CN109602963B (en) | 2018-12-29 | 2018-12-29 | Oxygen uptake and negative pressure suction integrated module |
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| CN201811638097.3A CN109602963B (en) | 2018-12-29 | 2018-12-29 | Oxygen uptake and negative pressure suction integrated module |
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| CN109602963B true CN109602963B (en) | 2021-04-13 |
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| GB2109089A (en) * | 1981-11-04 | 1983-05-25 | British Nuclear Fuels Ltd | Throttling valve |
| CN2251393Y (en) * | 1996-05-14 | 1997-04-09 | 陈仁 | Portable oxygen supply device |
| JP2004044632A (en) * | 2002-07-09 | 2004-02-12 | Nippon Steel Corp | Fluid controlling device |
| CN100370170C (en) * | 2003-06-08 | 2008-02-20 | 浙江巨龙工贸有限公司 | Gas safety valve |
| CN200991483Y (en) * | 2006-12-26 | 2007-12-19 | 北京谊安医疗系统股份有限公司 | Venturi mode oxygen-concentration compensation device |
| CN201216786Y (en) * | 2008-05-22 | 2009-04-08 | 刘宏 | Combined oxygen inhalation device |
| CN102003424B (en) * | 2009-09-02 | 2013-02-27 | 捷锐企业(上海)有限公司 | Double-gas source airflow switching valve and control box and gas supply system |
| US8443838B1 (en) * | 2009-10-01 | 2013-05-21 | Carlos Quesada Saborio | Refrigerant control valves |
| CN102312869B (en) * | 2011-08-23 | 2015-03-11 | 捷锐企业(上海)有限公司 | Gas jet type negative pressure generator and gas jet type negative pressure regulator |
| RU2731477C2 (en) * | 2011-12-08 | 2020-09-03 | Алькон Инк. | Selectively movable valves for aspiration and irrigation circuits |
| CN102620053B (en) * | 2012-04-14 | 2013-09-04 | 捷锐企业(上海)有限公司 | Compressed natural gas two-stage pressure reducing device |
| US9440179B2 (en) * | 2014-02-14 | 2016-09-13 | InovaLabs, LLC | Oxygen concentrator pump systems and methods |
| CN103982698B (en) * | 2014-04-25 | 2016-08-17 | 捷锐企业(上海)有限公司 | A kind of balanced type remote gas pressure regulator of machine gas combination |
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