CN216366213U - Air-volume buffer with strong practicability for breathing machine - Google Patents
Air-volume buffer with strong practicability for breathing machine Download PDFInfo
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- CN216366213U CN216366213U CN202121004572.9U CN202121004572U CN216366213U CN 216366213 U CN216366213 U CN 216366213U CN 202121004572 U CN202121004572 U CN 202121004572U CN 216366213 U CN216366213 U CN 216366213U
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Abstract
The utility model discloses a gas-containing buffer with strong practicability for a breathing machine, belonging to the technical field of gas-containing buffers for breathing machines, and the technical scheme is as follows: including buffer tank and lid, buffer tank and lid pass through bolted connection, be equipped with first cavity and second cavity on the buffer tank, still include: a first buffer component used for adjusting the air pressure of the first chamber; the second buffer component is used for adjusting the air pressure of the second chamber; the first buffer assembly comprises a first buffer box, and the buffer assembly has the beneficial effects that: cut apart into two cavities with the buffer tank through the baffle, adjust through the atmospheric pressure of a pair of first cavity of buffering subassembly to make the atmospheric pressure of first cavity maintain stably, thereby reduce gas pulsation, make the air current steady, through setting up buffering subassembly two, thereby adjust the atmospheric pressure of second cavity, thereby make the atmospheric pressure of second cavity maintain stably, thereby reduce gas pulsation, make the air current steady.
Description
Technical Field
The utility model relates to the technical field of air volume buffers for respirators, in particular to an air volume buffer with strong practicability for a respirator.
Background
The gas-capacitor buffer is used for buffering gas flow, so that the pressure of the gas is kept stable, and the flow rate is stable; the respirator is an effective means capable of manually replacing the autonomous ventilation function, is widely used for respiratory failure caused by various reasons, anesthesia and respiration management during major operations, respiratory support treatment and emergency resuscitation, and occupies an important position in the modern medical field; the air volume buffer for a ventilator must therefore maintain a sufficiently constant air pressure to achieve the best therapeutic effect for the patient.
The existing gas-capacitor buffer can only achieve the effect of eliminating gas pulsation, has no obvious regulating effect on the gas pressure or has no function of regulating the gas pressure, and when the gas pressure changes, the gas can generate certain pulsation, so that the gas is unstable and the use of a breathing machine by a patient is not utilized.
Therefore, it is necessary to develop a gas-containing buffer for a ventilator with strong practicability.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides the air-volume buffer with strong practicability for the breathing machine, the air pressure is stabilized by arranging the first chamber and the second chamber, arranging the second buffer component communicated with the second chamber and the first buffer component communicated with the first chamber, so that the pulsation of the air is eliminated, and the problems that the air generates certain pulsation when the air pressure intensity changes, the air is unstable and the breathing machine is not used by a patient are solved.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a practicality is strong is used for breathing machine's air capacity buffer, includes buffer tank and lid, bolted connection is passed through to buffer tank and lid, be equipped with first cavity and second cavity on the buffer tank, still include: a first buffer component used for adjusting the air pressure of the first chamber; and
a second buffer component for adjusting the air pressure of the second chamber;
the first buffer assembly comprises a first buffer box, the top of the inner cavity of the first buffer box is fixedly connected with a buffer spring, one end of the buffer spring is fixedly connected with a first piston, the first piston is slidably connected with the inner wall of the first buffer box, and the first buffer box is communicated with the first cavity;
the second buffer assembly comprises a second buffer box, the top of the second buffer box is fixedly connected with a first electric telescopic rod, one end of the first electric telescopic rod is fixedly connected with a second piston, the second piston is in sliding connection with the inner wall of the second buffer box, and the second buffer box is communicated with the second chamber;
the buffer tank is characterized in that an air outlet is formed in the left end of the buffer tank, an adjusting plug is inserted into the air outlet, one end of the adjusting plug is fixedly connected with a second electric telescopic rod, and a controller is fixedly installed on the buffer tank.
Preferably, a partition plate is fixedly installed in the middle of the inner cavity of the buffer tank, the buffer tank is divided into a first cavity and a second cavity by the partition plate, and one end of the partition plate is fixedly connected with a second electric telescopic rod.
Preferably, the buffer tank is provided with a first threaded hole, and the cover body is provided with a second threaded hole.
Preferably, the cover body is provided with a first through hole, a second through hole and a third through hole.
Preferably, first buffering box passes through-hole one and second cavity intercommunication, the second buffering box passes through-hole three and first cavity intercommunication, the disappointing pipe of two fixed mounting of through-hole, install the solenoid valve on the disappointing pipe.
Preferably, the right end of the buffer tank is provided with an air inlet pipe, an air inlet valve is fixedly installed on the air inlet pipe, the left end of the buffer tank is provided with an air outlet pipe, and an air outlet valve is fixedly installed on the air outlet pipe.
Preferably, the cover body is provided with an annular groove and a rectangular groove, an annular sealing ring is embedded in the annular groove, and a rectangular sealing ring is embedded in the inner cavity of the buffer tank.
Preferably, the exhaust port and the adjusting plug are both in a round table shape.
Preferably, the first buffer box is fixedly installed on the buffer tank through a bolt.
Preferably, the second buffer assembly comprises a second buffer box, a servo motor, a threaded rod, a nut, a supporting rod and a second piston, the servo motor is arranged above the second buffer box, the output end of the servo motor is fixedly connected with the threaded rod, the threaded rod is in threaded connection with the nut through the outer wall of the threaded rod, the bottom end of the nut is fixedly connected with the supporting rod, and the bottom end of the supporting rod is fixedly connected with the second piston.
The utility model has the beneficial effects that:
1. the buffer tank is divided into two chambers by the partition plate, the air pressure of the first chamber is adjusted by the buffer assembly, so that the air pressure of the first chamber is maintained stable, the air pulsation is reduced, and the air flow is stable;
2. the rectangular sealing ring is arranged between the buffer tank and the cover body, so that the sealing performance between the buffer tank and the cover body is better, the gas stability is facilitated, and the overall performance of the breathing machine is improved;
3. through setting up admission valve, air outlet valve and adjusting the second electric telescopic handle and the regulation end cap of gas vent exhaust flow rate for gaseous velocity of flow further obtains controlling, further strengthens the wholeness ability of breathing machine.
Drawings
Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;
FIG. 2 is a plan view of a buffer tank provided in embodiment 1 of the present invention;
fig. 3 is a bottom view of the cover provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram provided in embodiment 2 of the present invention.
In the figure: the buffer tank comprises a buffer tank 1, a controller 11, an air outlet pipe 12, an air outlet valve 121, a first threaded hole 13, an air inlet pipe 14, an air inlet valve 141, a rectangular sealing ring 15, a partition plate 151, a second electric telescopic rod 152, an adjusting plug 153, an air outlet 16, a second cavity 17, a first cavity 18, a cover body 2, a third through hole 21, an air release pipe 22, a second threaded hole 23, a first through hole 24, an annular groove 25, a rectangular groove 26, a second through hole 28, a buffer component two 3, a second buffer box 31, a first electric telescopic rod 32, a second piston 33, a nut 34, a threaded rod 35, a supporting rod 36, a servo motor 37, a first buffer component 4, a buffer spring 41, a first piston 42, a first buffer box 43, a rectangular sealing ring 5 and an annular sealing ring 6.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
with reference to fig. 1-3 of the specification, the air-volume buffer with strong practicability for the breathing machine of the embodiment comprises a buffer tank 1 and a cover body 2, wherein the buffer tank 1 and the cover body 2 are connected through bolts, a first cavity 18 and a second cavity 17 are arranged on the buffer tank 1, and the air-volume buffer is characterized in that a first buffer component 4 for adjusting the air pressure of the first cavity 18; and
a second buffer component 3 for regulating the air pressure of the second chamber 17;
the first buffer assembly 4 comprises a first buffer box 43, the top of the inner cavity of the first buffer box 43 is fixedly connected with a buffer spring 41, one end of the buffer spring 41 is fixedly connected with a first piston 42, the first piston 42 is slidably connected with the inner wall of the first buffer box 43, and the first buffer box 43 is communicated with the first chamber 18;
the second buffer assembly 3 comprises a second buffer box 31, the top of the second buffer box 31 is fixedly connected with a first electric telescopic rod 32, one end of the first electric telescopic rod 32 is fixedly connected with a second piston 33, the second piston 33 is slidably connected with the inner wall of the second buffer box 31, and the second buffer box 31 is communicated with the second chamber 17; the first electric telescopic rod 32 is used for driving the second piston 33 to move, so that the air pressure in the first chamber 18 is changed;
an air outlet 16 is formed in the left end of the buffer tank 1, an adjusting plug 153 is inserted into the air outlet 16, one end of the adjusting plug 153 is fixedly connected with the second electric telescopic rod 152, and the controller 11 is fixedly installed on the buffer tank 1.
Further, a partition plate 151 is fixedly installed in the middle of the inner cavity of the buffer tank 1, the buffer tank 1 is divided into a first chamber 18 and a second chamber 17 by the partition plate 151, and one end of the partition plate 151 is fixedly connected with a second electric telescopic rod 152; the second electric telescopic rod 152 is set to YNT-03, and the second electric telescopic rod 152 is used for driving the adjusting plug 153 to move, so that the gap between the adjusting plug 153 and the inner wall of the exhaust port 16 is changed.
Furthermore, a first threaded hole 13 is formed in the buffer tank 1, and a second threaded hole 23 is formed in the cover body 2.
Furthermore, the cover body 2 is provided with a first through hole 24, a second through hole 28 and a third through hole 21.
Further, first buffering box 43 is through a through-hole 24 and second cavity 17 intercommunication, second buffering box 31 is through-hole three 21 and first cavity 18 intercommunication, two 28 fixed mounting run-flat pipes 22 of through-hole, install the solenoid valve on the run-flat pipe 22.
Further, 1 right-hand member of buffer tank is equipped with intake pipe 14, fixed mounting admission valve 141 on the intake pipe 14, 1 left end of buffer tank is equipped with outlet duct 12, fixed mounting air outlet valve 121 on the outlet duct 12.
Furthermore, an annular groove 25 and a rectangular groove 26 are formed in the cover body 2, and an annular sealing ring 6 is embedded in the annular groove 25; the annular sealing ring 6 is used for enabling the sealing performance of the second buffer box 31 and the buffer tank 1 to be better, and the rectangular sealing ring 5 is embedded in the inner cavity of the buffer tank 1; the rectangular seal ring 5 functions to improve the sealing between the surge tank 1 and the lid body 2.
Further, the exhaust port 16 and the adjusting plug 153 are both in a truncated cone shape; the function of the adjusting plug 153 is to adjust the gas flow rate at the exhaust port 16.
Further, the first buffer box 43 is fixedly mounted on the buffer tank 1 by bolts.
The implementation scenario is specifically as follows: when the buffer tank is used, the cover body 2 is connected with the buffer tank 1 through the threaded hole I13 and the threaded hole II 23 by using bolts, and the rectangular sealing ring 5 ensures good sealing between the cover body 2 and the buffer tank 1; the controller 11 controls the air inlet valve 141, so as to control the amount of air entering the first chamber 18, the air enters the first chamber 18, the air pressure is larger or smaller, the first piston 42 is driven to move under the action of the buffer spring 41, so as to adjust the pressure of the air, the air pressure in the first chamber 18 is relatively stable, and the air pulsation caused by the air pressure change is reduced; meanwhile, the gas in the first chamber 18 enters the second chamber 17, the second piston 33 is adjusted to lift through the extension and retraction of the first electric telescopic rod 32, so that the gas pressure of the second chamber 17 is adjusted, the gas pulsation in the second chamber 17 is further reduced, the position of the adjusting plug 153 is adjusted through the extension and retraction of the second electric telescopic rod 152, the gap between the adjusting plug 153 and the inner wall of the exhaust port 16 is changed, the air outlet speed of the exhaust port 16 is changed, and the performance of the breathing machine is improved.
Example 2: referring to the attached figure 4 of the specification, the difference from the embodiment 1 is that: the second buffer component 3 comprises a second buffer box 31, a servo motor 37, a threaded rod 35, a nut 34, a supporting rod 36 and a second piston 33, the servo motor 37 is arranged above the second buffer box 31, the output end of the servo motor 37 is fixedly connected with the threaded rod 35, the outer wall of the threaded rod 35 is in threaded connection with the nut 34, the bottom end of the nut 34 is fixedly connected with the supporting rod 36, and the bottom end of the supporting rod 36 is fixedly connected with the second piston 33; the servo motor 37 is used for driving the nut 34 to move up and down, and the servo motor 37 is set to be JSF 42-3-30-AS-1000.
The implementation scenario is specifically as follows: when the buffer tank is used, the cover body 2 is connected with the buffer tank 1 through the threaded hole I13 and the threaded hole II 23 by using bolts, and the rectangular sealing ring 5 ensures good sealing between the cover body 2 and the buffer tank 1; the controller 11 controls the air inlet valve 141, so as to control the amount of air entering the first chamber 18, the air enters the first chamber 18, the air pressure is larger or smaller, the first piston 42 is driven to move under the action of the buffer spring 41, so as to adjust the pressure of the air, the air pressure in the first chamber 18 is relatively stable, and the air pulsation caused by the air pressure change is reduced; meanwhile, gas in the first chamber 18 enters the second chamber 17, the controller 11 controls the opening and closing of the servo motor 37 and forward and reverse rotation, so that the threaded rod 35 is driven to rotate, the nut 34 is driven to move up and down, the second piston 33 is driven to move up and down through the supporting rod 36, the air pressure of the second chamber 17 is adjusted, the gas pulsation in the second chamber 17 is further reduced, the position of the adjusting plug 153 is adjusted through the stretching of the second electric telescopic rod 152, the gap between the adjusting plug 153 and the inner wall of the exhaust port 16 is changed, the air outlet speed of the exhaust port 16 is changed, and the performance of the breathing machine is improved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a practicality is strong is gas capacity buffer for breathing machine, includes buffer tank (1) and lid (2), bolted connection is passed through to buffer tank (1) and lid (2), be equipped with first cavity (18) and second cavity (17) on buffer tank (1), its characterized in that still includes: a first buffer assembly (4) for regulating the air pressure in the first chamber (18); and
a second buffer component (3) for adjusting the air pressure of the second chamber (17);
the first buffer assembly (4) comprises a first buffer box (43), the top of the inner cavity of the first buffer box (43) is fixedly connected with a buffer spring (41), one end of the buffer spring (41) is fixedly connected with a first piston (42), the first piston (42) is slidably connected with the inner wall of the first buffer box (43), and the first buffer box (43) is communicated with the first chamber (18);
the second buffer assembly (3) comprises a second buffer box (31), the top of the second buffer box (31) is fixedly connected with a first electric telescopic rod (32), one end of the first electric telescopic rod (32) is fixedly connected with a second piston (33), the second piston (33) is slidably connected with the inner wall of the second buffer box (31), and the second buffer box (31) is communicated with the second chamber (17);
the buffer tank is characterized in that an air outlet (16) is formed in the left end of the buffer tank (1), an adjusting plug (153) is inserted into the air outlet (16), one end of the adjusting plug (153) is fixedly connected with a second electric telescopic rod (152), and a controller (11) is fixedly installed on the buffer tank (1).
2. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: fixedly mounted partition plate (151) in the middle of buffer tank (1) inner cavity, buffer tank (1) is separated into first cavity (18) and second cavity (17) by partition plate (151), and partition plate (151) one end fixed connection second electric telescopic handle (152).
3. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: the buffer tank (1) is provided with a first threaded hole (13), and the cover body (2) is provided with a second threaded hole (23).
4. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: the cover body (2) is provided with a first through hole (24), a second through hole (28) and a third through hole (21).
5. A highly practical air volume damper for a ventilator as claimed in claim 4, wherein: first buffering box (43) are through-hole one (24) and second cavity (17) intercommunication, second buffering box (31) are through-hole three (21) and first cavity (18) intercommunication, the disappointing pipe of through-hole two (28) department fixed mounting (22), install the solenoid valve on disappointing pipe (22).
6. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: buffer tank (1) right-hand member is equipped with intake pipe (14), fixed mounting admission valve (141) are gone up in intake pipe (14), buffer tank (1) left end is equipped with outlet duct (12), fixed mounting air outlet valve (121) are gone up in outlet duct (12).
7. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: the buffer tank is characterized in that the cover body (2) is provided with an annular groove (25) and a rectangular groove (26), an annular sealing ring (6) is embedded into the annular groove (25), and the inner cavity of the buffer tank (1) is embedded into the rectangular sealing ring (5).
8. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: the exhaust port (16) and the adjusting plug (153) are both in a round table shape.
9. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: the first buffer box (43) is fixedly installed on the buffer tank (1) through bolts.
10. A highly practical air volume damper for a ventilator as set forth in claim 1, wherein: buffer assembly two (3) are including second buffering box (31), servo motor (37), threaded rod (35), nut (34), bracing piece (36) and second piston (33), second buffering box (31) top is equipped with servo motor (37), servo motor (37) output end fixed connection threaded rod (35), threaded rod (35) outer wall threaded connection nut (34), nut (34) bottom fixed connection bracing piece (36), bracing piece (36) bottom fixed connection second piston (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121004572.9U CN216366213U (en) | 2021-05-11 | 2021-05-11 | Air-volume buffer with strong practicability for breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121004572.9U CN216366213U (en) | 2021-05-11 | 2021-05-11 | Air-volume buffer with strong practicability for breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216366213U true CN216366213U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121004572.9U Active CN216366213U (en) | 2021-05-11 | 2021-05-11 | Air-volume buffer with strong practicability for breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216366213U (en) |
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2021
- 2021-05-11 CN CN202121004572.9U patent/CN216366213U/en active Active
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