CN114748709B - Constant-pressure sputum suction device - Google Patents
Constant-pressure sputum suction device Download PDFInfo
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- CN114748709B CN114748709B CN202210019093.7A CN202210019093A CN114748709B CN 114748709 B CN114748709 B CN 114748709B CN 202210019093 A CN202210019093 A CN 202210019093A CN 114748709 B CN114748709 B CN 114748709B
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Abstract
The invention relates to the technical field of medical instruments, in particular to a constant-pressure sputum suction device which comprises a collecting barrel, an exhaust port, an air duct, a first air speed converter, a second air speed converter, an adjusting mechanism, a pressure mechanism and a movable hose, wherein the collecting barrel is connected with the air duct; the power part drives the first wind speed converter to rotate; the pressure mechanism comprises a plurality of first sliding blocks, a first contact ball, a plurality of second sliding blocks, a plurality of second contact balls, a first slope, a second slope, a first spring, a second spring and an adjusting ring; each first sliding block is slidably arranged on the first wind speed converter along the radial direction of the induced draft part; the adjusting mechanism comprises a plurality of air guide blocks, an air guide plate, a rotating plate and a central column. The constant-pressure sputum suction device can adjust the gear of the motor according to the conditions of different patients; the requirements of patients are met; when the patient is blocked, the adjusting mechanism enables the negative pressure of the sputum suction device to reach a balance point again, and the stable use effect of the patient is ensured.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a constant-pressure sputum suction device.
Background
The sputum aspirator is used as a medical device commonly used in hospitals, utilizes the negative pressure principle to aspirate sputum and oral cavity nursing in principle, and is simple and easy to learn. The sputum aspirator is used for routine sputum aspiration, tracheotomy and other treatment of the sick and wounded, and is suitable for immediate sputum aspiration treatment in military battle and rescue medical treatment and hospital or household respiratory mucus aspiration or vomit. The sputum aspirator is mainly an electric multifunctional negative pressure sputum aspirator and a simple manual sputum aspirator, and the operation end needs to be connected with a sputum suction pipe or a sponge sputum suction pipe for use. Generally, the sputum aspirator is usually electric, comprises a power switch and a manual switch, utilizes the negative pressure principle to aspirate sputum and care oral cavity, and is simple and easy to learn.
The disposable sputum suction device that most used of present hospital is very simple, can not satisfy clinical use demand in the function, and medical staff takes place the sputum easily and is stained with and attaches the pipe wall and cause jam or bore reduction when using, and the negative pressure reduces, makes the sputum flow backward to drainage tube, and influences patient, in addition, if the sputum aspirator negative pressure transform is too big in the use, can cause the damage to the patient very probably. And the negative pressure requirement in the sputum aspirator is different according to different patients and different illness states, so that the sputum aspirator with stable negative pressure in the working process, adjustable negative pressure and stable negative pressure after adjustment is needed.
Disclosure of Invention
The invention provides a constant-pressure sputum suction device, which aims to solve the problems that the negative pressure of the existing sputum suction device is unstable and adjustable when in use and the negative pressure cannot be kept stable after adjustment.
The invention relates to a constant-pressure sputum suction device, which adopts the following technical scheme: a constant pressure sputum aspirator comprises a collecting barrel and a pressure supply device; the pressure supply device comprises an air duct, a first wind speed converter, a second wind speed converter, an adjusting mechanism, a pressure mechanism and a power part;
the air duct extends along the left and right direction, the air duct comprises an air inducing part and a temporary storage part, the right end of the temporary storage part is installed on the collecting barrel, the left end of the temporary storage part is installed at the right end of the air inducing part, the outer wall of the temporary storage part is provided with a suction pipe connector, and the inner wall of the air inducing part is provided with a track groove;
the first wind speed converter is arranged at the left end of the wind induction part, and the power part drives the first wind speed converter to rotate; the second wind speed converter is arranged at the right end of the wind induction part;
the pressure mechanism comprises a plurality of first contact balls, a plurality of second contact balls, a first slope, a second slope, a first spring, a second spring and an adjusting ring; each first contact ball is slidably mounted on the first wind speed converter, the first slope is annular and is arranged at the left end of the wind guiding part in a left-right moving mode, and the distance between the left side surface of the first slope and the temporary storage part is gradually increased from inside to outside; the first contact ball can slide outwards along the first slope; the left side of the first spring is connected with a first slope, the right side of the first spring is connected with an adjusting ring, and the inner wall of the adjusting ring is provided with a circumferential chute; the left end of the second spring is connected with the adjusting ring, the second slope is connected with the right end of the second spring, and the second slope is arranged opposite to the first slope; the distance between the left side surface of the second slope and the temporary storage part is gradually reduced from inside to outside; each second contact ball is slidably mounted on the second anemoscope and can slide outwards along the second slope;
the adjusting mechanism is arranged in the wind guiding part and is configured to generate resistance to wind from the first wind speed converter and move rightwards under the driving of the track groove so as to reduce the resistance to the wind from the first wind speed converter.
Furthermore, the adjusting mechanism comprises a plurality of air guide groups and a central column, the central column is concentric with the air guide part, the plurality of air guide groups are uniformly distributed along the central column, and each air guide group comprises an air guide block, an air guide plate and a rotating plate; the inner end of the air guide block is fixedly connected to the central column, and the outer end of the air guide block is fixedly connected to the air guide part; the air deflector is positioned on the left side of the air guide block, the inner end of the air deflector is fixedly connected to the central column, and the outer end of the air deflector is fixedly connected to the air guiding part; the rotating plate is positioned on the right side of the air guide block, and the air guide block, the air guide plate and the rotating plate limit a space for allowing air to enter and reversely flow out; and the right-hand member of the inboard of rotor plate is rotationally installed in the center post around the axis that the radial direction of center post extended, and the left end in the outside of rotor plate is provided with the regulation pole, and the regulation pole passes the orbit groove and stretches into circumference spout, and the orbit groove is used for making the regulation pole drive the rotor plate when moving right and change the angle, and then makes the angle of reverse outflow diminish.
Furthermore, the surface of the air guide block is a first triangular plane, a second triangular plane, a third plane, a fourth plane and a fifth plane; the first triangular plane is fixedly connected to the central column, the second triangular plane is smaller than the first triangular plane, the second triangular plane is fixedly connected to the wind-guiding portion, three sides of the first triangular plane are respectively connected with the inner sides of the third plane, the fourth plane and the fifth plane, three sides of the second triangular plane are respectively connected with the outer sides of the third plane, the fourth plane and the fifth plane, the third plane is coplanar with the central column, and the axis of the joint of the air deflector and the rotating plate is coplanar with the third plane.
Furthermore, the power part is a motor, the motor is arranged on a first wind speed converter, the first wind speed converter comprises a plurality of first fan blades, a plurality of first axial bars, a first positioning ring and a first rotating shaft, a first positioning groove is formed in the left end of the wind-guiding part, and the first positioning ring is rotatably arranged in the first positioning groove; the first rotating shaft rod is concentric with the air inducing portion, the inner end of each first fan blade is arranged on the first rotating shaft along the radial direction of the air inducing portion, the outer end of each first fan blade is arranged on the inner end of each first axial rod, each first sliding block is arranged on each first axial rod in a sliding mode, and the outer end of each first axial rod is arranged on the inner end of the first positioning ring.
Furthermore, the track groove is an arc-shaped groove which is obliquely arranged towards the upper left.
Furthermore, the left end of the induced air part is provided with a first adaptive notch, the right end of the induced air part is provided with a second adaptive notch, the pressure mechanism further comprises a plurality of first sliders, a plurality of second sliders, the outer edge of the first adaptive, the outer edge of the second adaptive, a first connecting rod and a second connecting rod, each first slider is slidably mounted in a first air speed converter along the radial direction of the induced air part, each first contact ball is mounted in one first slider respectively, each second contact ball is mounted in one second slider respectively, the outer edge of the first adaptive is mounted in the first adaptive notch, the outer edge of the second adaptive is mounted in the second adaptive notch, a first slope is arranged on the outer left end face of the first adaptive, a second slope is arranged on the outer right end face of the first adaptive, the left end of the first connecting rod is connected with the outer edge of the first adaptive, the left end of the first connecting rod is connected with the left end of the first spring, the left end of the second connecting rod is connected with the outer edge of the second adaptive, and the right end of the second connecting rod is connected with the left end of the second spring.
Furthermore, a hollow cavity is arranged on the peripheral wall of the air inducing part, and the first spring, the first connecting rod, the adjusting ring, the second spring and the second connecting rod are located in the hollow cavity.
Further, the following steps: the rotating plate further comprises an inner shaft and an outer shaft; the inner shaft is arranged on the inner end face of the rotating plate, an inner hole is formed in the central column, and the inner shaft is rotatably arranged in the inner hole; the outer axle sets up in the outer terminal surface of rotating plate and at same central line with the inner shaft, is provided with the locating hole in the induced air portion, and the outer axle rigid coupling is in the locating hole, and the axis of rotation is located the coplanar with the outer axle, and the axis of rotation is located the plane left end, and the outer axle is located the plane right-hand member.
Furthermore, the suction device also comprises a suction port and a movable hose, wherein one end of the movable hose is arranged on the suction pipe connecting port; the pressure supply device is obliquely arranged on one side of the collecting barrel towards the lower left; the included angle between the suction pipe connecting port and the temporary storage part is smaller than 90 degrees, one end of the movable hose is arranged on the suction pipe connecting port, and the suction port is arranged at the other end of the movable hose.
The invention has the beneficial effects that: according to the constant-pressure sputum suction device, the pressure mechanism and the adjusting mechanism are arranged, when the device works normally, the centrifugal force generated by the wind speed converter is utilized, the pressure applied to the two springs by the two contact balls is balanced by setting the mass of the different contact balls, the adjusting mechanism is maintained at the initial position, the pressure cannot be changed along with the change of the rotating speed, and the gear of the motor can be adjusted according to different conditions of different patients; the requirements of patients with different requirements on the sputum suction device are met, and the use experience of the patients is improved; and be stained with when the sputum and attach the pipe wall and cause the jam, through the regulation of adjusting the structure, can make the negative pressure of inhaling the phlegm device reach a balance point again, and the negative pressure maintains relatively stable for attached to the sputum on the pipe wall flows to the collecting vessel, and the sputum can not flow backwards to the drainage tube, guarantees patient's stable use, improves the result of use.
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, and 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 these drawings without creative efforts.
FIG. 1 is a schematic view of the overall appearance of an embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 2 is a schematic view of the pressure supply device of the embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 3 is a schematic view of the pressure supply device of the embodiment of the constant pressure sputum aspirator of the present invention in an overall cross-sectional view;
FIG. 4 is an exploded view of the pressure supply device of the embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 5 is a schematic partial cross-sectional view of a pressure supply device of an embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a schematic view of the wind direction trace of the embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 8 is a schematic sectional view of the pressure mechanism part assembly of the embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 9 is a schematic view of a first anemometer of an embodiment of the constant pressure sputum aspirator of the present invention;
FIG. 10 is a schematic view of a rotating plate of an embodiment of the constant pressure sputum aspirator of the present invention;
fig. 11 is a schematic view of a wind guide block, a wind guide plate and a central column of the constant pressure sputum aspirator according to the embodiment of the present invention.
In the figure: 1. a sputum aspirator; 11. a collection barrel; 12. an exhaust port; 13. a flexible hose; 14. a suction port; 2. an air duct; 21. a suction pipe connecting port; 22. a central column; 23. a first mating notch; 231. a second fitting indentation; 24. a hollow cavity; 25. a first positioning groove; 251. a second positioning groove; 26. positioning holes; 27. a wind guide block; 28. an air deflector; 29. a track groove; 31. a first spring; 32. a first connecting rod; 33. a second connecting rod; 34. a first adapted outer edge; 35. a first slope; 36. an adjusting ring; 37. a second adapted outer edge; 38. a second slope; 39. a second spring; 4. a first wind speed converter; 41. a first rotating shaft; 42. a first fan blade group; 43. a first slider; 44. a first axial rod; 45. a first positioning ring; 46. a first contact ball; 5. a second wind speed converter; 6. A rotating plate; 62. an inner shaft; 63. an outer shaft; 64. adjusting a rod; 7. a wind-guiding part; 8. a temporary storage section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 11, the embodiment of the constant pressure sputum aspirator of the present invention comprises a collecting barrel 11, an exhaust port 12, a pressure supply device and a movable hose 13; the exhaust port 12 is provided at the right side of the collection tub 11. The pressure supply device comprises an air duct 2, a first wind speed converter, a second wind speed converter, an adjusting mechanism, a pressure mechanism and a power part; the air duct extends along the left and right direction, the air duct 2 comprises an air inducing part 7 and a temporary storage part 8, the right end of the temporary storage part is installed on the collecting barrel 11, the left end of the temporary storage part 8 is installed on the right end of the air inducing part 7, the outer wall of the temporary storage part is provided with a straw connecting port 21, and one end of the movable hose 13 is installed on the straw connecting port 21; the inner wall of the air inducing part 7 is provided with a track groove 29; the first wind speed converter is arranged at the left end of the wind induction part, and the power part drives the first wind speed converter to rotate; the second wind speed converter is arranged at the right end of the wind induction part; the pressure mechanism comprises a plurality of first slides 43, a plurality of first contact balls, a plurality of second slides, a plurality of second contact balls, a first ramp, a second ramp, a first spring 31, a second spring and an adjustment ring 36; each first sliding block is slidably arranged on the first wind speed converter along the radial direction of the induced draft part so as to rotate along with the first wind speed converter; the first slope 35 is annular and is arranged at the left end of the air inducing part in a left-right moving manner, and the distance between the left side surface 35 of the first slope 34 and the temporary storage part is gradually increased from inside to outside; each first contact ball is respectively arranged on one first sliding block, and the first contact balls can slide outwards along the first slope; the left side of the first spring 31 is connected with a first slope, the right side of the first spring 31 is connected with an adjusting ring 36, and the inner wall of the adjusting ring is provided with a circumferential sliding groove; the left end of the second spring is connected with the adjusting ring, the second slope is connected with the right end of the second spring, and the second slope is opposite to the first slope; the distance between the left side surface 35 of the second slope 34 and the temporary storage part 8 gradually decreases from inside to outside; each second contact ball is respectively arranged on one second sliding block, and the second contact balls can slide outwards along the second slope; the adjusting mechanism comprises a plurality of air guide groups and a central column 22, the central column 22 is concentric with the air guide part, the air guide groups are uniformly distributed along the central column, and each air guide group comprises an air guide block 27, an air guide plate 28 and a rotating plate 6; the inner end of the air guide block is fixedly connected with the central column, and the outer end of the air guide block is fixedly connected with the air guide part 7; the air deflector 28 is positioned at the left side of the air deflector 27, the inner end of the air deflector is fixedly connected to the central column 22, and the outer end of the air deflector is fixedly connected to the air inducing part; the rotating plate is positioned at the right side of the air guide block, and the air guide block 27, the air guide plate and the rotating plate limit a space for allowing air to enter and reversely flow out; and the right end of the inner side of the rotating plate is rotatably mounted on the central column 22 around the axis extending in the radial direction of the central column, the left end of the outer side of the rotating plate is provided with an adjusting rod 64, the adjusting rod penetrates through the track groove 29 and extends into the circumferential sliding groove, and the track groove is used for driving the rotating plate to change the angle when the adjusting rod 64 moves rightwards, so that the angle of reverse outflow is reduced. And a suction port 14, wherein the suction port 14 is arranged at the other end of the movable hose 13. The pressure supply device is obliquely arranged at one side of the collecting barrel 11 towards the lower left; the suction pipe connection port 21 is obliquely arranged at one side of the temporary storage unit towards the lower right, that is, the included angle between the suction pipe connection port and the temporary storage unit is less than 90 degrees. One end of the movable hose is arranged on the suction pipe connecting port, the suction port 14 is arranged at the other end of the movable hose, specifically, one end of the movable hose is inserted into the suction pipe connecting port, and the pressure supply device is obliquely arranged on one side of the collecting barrel 11 and is opposite to the exhaust port.
In this embodiment, the surface of the wind guide block 27 is a first triangular plane, a second triangular plane, a third plane, a fourth plane, and a fifth plane; the first triangular plane is fixedly connected to the central column, the second triangular plane is smaller than the first triangular plane, the second triangular plane is fixedly connected to the air inducing portion, three sides of the first triangular plane are respectively connected with the inner sides of the third plane, the fourth plane and the fifth plane, three sides of the second triangular plane are respectively connected with the outer sides of the third plane, the fourth plane and the fifth plane, the third plane is coplanar with the central column 22, and the axis of the connecting position of the air deflector 28 and the rotating plate is coplanar with the third plane.
In this embodiment, the power portion is a motor, the motor is mounted on a first wind speed converter, the first wind speed converter includes a plurality of first blades 42, a plurality of first axial bars 44, a first positioning ring 45 and a first rotating shaft 41, the left end of the wind inducing portion is provided with a first positioning groove 25, and the first positioning ring is rotatably mounted in the first positioning groove; the first rotating shaft rod 41 is concentric with the air inducing part, the inner end of each first fan blade is respectively installed on the first rotating shaft along the radial direction of the air inducing part, the outer end of each first fan blade is respectively installed on the inner end of each first axial rod, each first sliding block is slidably installed on each first axial rod, and the outer end of each first axial rod is respectively installed on the inner end of the first positioning ring. The structure of the second wind speed converter is the same as that of the first wind speed converter, the mass of the first contact ball is different from that of the second contact ball, and the mass ratio is M1: and M2. Similarly, the left end of the air guiding part is provided with a second positioning groove 251, the second wind speed converter comprises a second positioning ring, and the second positioning ring is rotatably arranged in the second positioning groove. The track groove 29 is an arc-shaped groove which is obliquely arranged towards the upper left. When the rotating plate slides in the arc-shaped groove, the rotating plate slides to the lowest point position, namely, when the wind counteracts the minimum, the outer end surface of the rotating plate cannot exceed the outermost end of the air guide block.
In this embodiment, the induced air portion left end is provided with first adaptation breach 23, induced air portion right-hand member is provided with second adaptation breach 231, pressure mechanism still includes first adaptation outer edge 34, the outer edge 37 of second adaptation, head rod 32 and second connecting rod 33, first adaptation is outer along installing in first adaptation breach, the outer edge of second adaptation is installed in second adaptation breach, first slope 35 sets up in first adaptation outer edge left end face, second slope 38 sets up in second adaptation outer edge 37 right-hand member face, first adaptation outer edge 34 is connected to the head rod left end, first spring 31 left end is connected to the head rod right-hand member, second adaptation outer edge is connected to the second connecting rod left end, second spring left end is connected to the second connecting rod right-hand member. In the present embodiment, the peripheral wall of the induced draft part 7 is provided with a hollow cavity 24, and the first spring, the first connecting rod, the adjusting ring 36, the second spring and the second connecting rod 33 are located in the hollow cavity.
In this embodiment, the rotating plate further includes an inner shaft 62 and an outer shaft 63; the inner shaft 62 is arranged on the inner end face of the rotating plate 6, an inner hole is formed in the center column 22, and the inner shaft is rotatably arranged in the inner hole; the outer shaft 63 is arranged on the outer end face of the rotating plate 6 and is located on the same center line with the inner shaft, a positioning hole 26 is formed in the air inducing portion, the outer shaft 63 is fixedly connected to the positioning hole, the rotating shaft and the outer shaft are located on the same plane, the rotating shaft is located at the left end of the plane, and the outer shaft is located at the right end of the plane.
When the device works, a motor connected with the first wind speed converter is started, a constant rotating speed is given to the first wind speed converter 4, the first wind speed converter rotates and gives wind to the wind barrel 2, the wind is directed to the collecting barrel 11, the first sliding block 43 tends to be away from the axis under the action of centrifugal force, the wind is converted into force for enabling the first spring 31 connected with the first connecting rod 32 to compress through the first contact ball 46 and the first slope 35, the first wind speed converter drives the second wind speed converter 5 to rotate, and similarly, the second sliding block in the second wind speed converter can also give a compressing force to the first spring 31 connected with the second connecting rod 33 under the driving of wind speed. Through reasonable setting of the values of the first contact ball M1 and the second contact ball M2, the magnitude of the compressive force generated by the first pressure assembly and the magnitude of the compressive force generated by the second pressure assembly and provided by the first wind speed converter are balanced. And the air guide block 27, the air guide plate 28 and the rotating plate define a space through which the air passes from the upper surface of the air guide plate and the upper surface of the rotating plate along one side surface of the air guide block 27 downwards, a certain amount of air is offset with the air in the wind speed direction, the offset amount can be changed, but the offset percentage is not changed if the angle is not changed, that is, the air guide block, the air guide plate 28 and the rotating plate define a space through which the air passes from the upper surface of the air guide plate and the upper surface of the rotating plate along one side surface of the air guide block 27 downwards, the density of the air entering the space on the side with the increased wind speed density can be changed in proportion, so that the rotating plate is always kept at the initial position without starting, therefore, when the magnitude of the compression force generated by the first pressure assembly by the first wind speed converter is balanced with the magnitude of the compression force generated by the second pressure assembly by the second wind speed converter, the negative pressure of the sputum aspirator 1 is always kept relatively stable. The air speed is stable, the suction port 14 extends into the sputum suction part, the air at the position of the suction pipe connecting port 21 has a fixed flow speed, the port of the suction port 14 is static atmospheric pressure, a negative pressure is formed on the movable hose 13 and the suction port 14 according to the Bernoulli principle, and the negative pressure is stable as long as the air speed is stable. The sputum enters the collecting barrel 11 through the suction port 14, the flexible hose 13 and the air duct 2 in sequence under the action of negative pressure, and the waste air is blown out through the exhaust port 12.
When sputum adheres to the wall of the tube at the rear end of the suction port 21, the wind speed at the suction pipe connection port 21 is reduced, and the negative pressure is reduced. At this time, since the wind speed at the suction pipe connection port 21 is low, the rotation speed of the second wind speed converter 5 is lower than that in normal conditions, the compression force applied to the second spring 39 connected to the second connection rod 33 is smaller than the compression force applied to the first spring 31 connected to the first connection rod 32, the adjustment ring 36 moves toward the rear end by moving the rotary plate along the track groove 29 and the circumferential sliding groove, so that the rotary plate 6 moves toward the rear end, that is, as shown in fig. 7, the rotary plate 6 moves away from the wind guide block 27, so that the wind angle turned by the wind guide plate 28 and the rotary plate 6 changes, the amount of the original wind is offset and reduced, the wind speed at the connection port of the suction pipe connection port 21 is increased, the magnitude of the compression force applied to the first pressure assembly by the first wind speed converter and the magnitude of the compression force applied to the second pressure assembly by the second wind speed converter reach a balance point again, the negative pressure is maintained relatively stable, and the flow of the sputum attached to the collection barrel 11 is accelerated, and the sputum does not flow back to the drainage pipe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A constant pressure sputum aspirator is characterized in that: comprises a collecting barrel and a pressure supply device; the pressure supply device comprises an air duct, a first wind speed converter, a second wind speed converter, an adjusting mechanism, a pressure mechanism and a power part;
the air duct extends along the left and right direction, the air duct comprises an air inducing part and a temporary storage part, the right end of the temporary storage part is installed on the collecting barrel, the left end of the temporary storage part is installed at the right end of the air inducing part, a suction pipe connector is arranged on the outer wall of the temporary storage part, and a track groove is formed in the inner wall of the air inducing part;
the first wind speed converter is arranged at the left end of the wind induction part, and the power part drives the first wind speed converter to rotate; the second wind speed converter is arranged at the right end of the wind induction part;
the pressure mechanism comprises a plurality of first contact balls, a plurality of second contact balls, a first slope, a second slope, a first spring, a second spring and an adjusting ring; each first contact ball is slidably mounted on the first wind speed converter, the first slope is annular and is arranged at the left end of the wind guiding part in a left-right moving mode, and the distance between the left side surface of the first slope and the temporary storage part is gradually increased from inside to outside; the first contact ball can slide outwards along the first slope; the left side of the first spring is connected with a first slope, the right side of the first spring is connected with an adjusting ring, and the inner wall of the adjusting ring is provided with a circumferential chute; the left end of the second spring is connected with the adjusting ring, the second slope is connected with the right end of the second spring, and the second slope is arranged opposite to the first slope; the distance between the right side surface of the second slope and the temporary storage part is gradually reduced from inside to outside; each second contact ball is slidably mounted on the second anemoscope and can slide outwards along the second slope;
the adjusting mechanism is arranged in the wind guiding part and is configured to generate resistance to wind from the first wind speed converter and move rightwards under the driving of the track groove so as to reduce the resistance to the wind from the first wind speed converter; the adjusting mechanism comprises a plurality of air guide groups and a central column, the central column is concentric with the air inducing part, the plurality of air guide groups are uniformly distributed along the central column, and each air guide group comprises an air guide block, an air guide plate and a rotating plate; the inner end of the air guide block is fixedly connected with the central column, and the outer end of the air guide block is fixedly connected with the air guide part; the air deflector is positioned on the left side of the air guide block, the inner end of the air deflector is fixedly connected to the central column, and the outer end of the air deflector is fixedly connected to the air guiding part; the rotating plate is positioned on the right side of the air guide block, and the air guide block, the air guide plate and the rotating plate limit a space for allowing air to enter and reversely flow out; the right end of the inner side of the rotating plate is rotatably arranged on the central column around an axis extending in the radial direction of the central column, the left end of the outer side of the rotating plate is provided with an adjusting rod, the adjusting rod penetrates through the track groove and extends into the circumferential sliding groove, and the track groove is used for driving the rotating plate to change the angle when the adjusting rod moves rightwards, so that the angle of reverse outflow is reduced; the left end of the air inducing part is provided with a first adaptive notch, the right end of the air inducing part is provided with a second adaptive notch, the pressure mechanism further comprises a plurality of first sliders, a plurality of second sliders, a first adaptive outer edge, a second adaptive outer edge, a first connecting rod and a second connecting rod, each first slider is slidably mounted on the first air speed converter along the radial direction of the air inducing part, each first contact ball is respectively mounted on one first slider, each second contact ball is respectively mounted on one second slider, the first adaptive outer edge is mounted on the first adaptive notch, the second adaptive outer edge is mounted on the second adaptive notch, a first slope is arranged on the left end surface of the first adaptive outer edge, a second slope is arranged on the right end surface of the first adaptive outer edge, the left end of the first connecting rod is connected with the first adaptive outer edge, the right end of the first connecting rod is connected with the left end of a first spring, the right end of the second connecting rod is connected with the second adaptive outer edge, and the left end of the second connecting rod is connected with the right end of a second spring; the first wind speed converter rotates and provides wind pointing to the collecting barrel to the wind barrel, the first sliding block tends to be far away from the axis under the action of centrifugal force and is converted into force for promoting the compression of a first spring connected with the first connecting rod through the first contact ball and the first slope, the first wind speed converter drives the second wind speed converter to rotate, and similarly, the second sliding block in the second wind speed converter can also provide compressive force for a second spring connected with the second connecting rod under the driving of wind speed.
2. The constant pressure sputum aspirator of claim 1, wherein: the surface of the air guide block is a first triangular plane, a second triangular plane, a third plane, a fourth plane and a fifth plane; the first triangular plane is fixedly connected to the central column, the second triangular plane is smaller than the first triangular plane, the second triangular plane is fixedly connected to the wind-guiding portion, three sides of the first triangular plane are respectively connected with the inner sides of the third plane, the fourth plane and the fifth plane, three sides of the second triangular plane are respectively connected with the outer sides of the third plane, the fourth plane and the fifth plane, the third plane is coplanar with the central column, and the axis of the joint of the air deflector and the rotating plate is coplanar with the third plane.
3. The constant pressure sputum aspirator of claim 2, wherein: the power part is a motor, the motor is arranged on a first wind speed converter, the first wind speed converter comprises a plurality of first fan blades, a plurality of first axial bars, a first positioning ring and a first rotating shaft, the left end of the wind-inducing part is provided with a first positioning groove, and the first positioning ring is rotatably arranged in the first positioning groove; the first rotating shaft is concentric with the air inducing part, the inner end of each first fan blade is arranged on the first rotating shaft along the radial direction of the air inducing part, the outer end of each first fan blade is arranged on the inner end of each first axial rod, each first sliding block is arranged on each first axial rod in a sliding mode, and the outer end of each first axial rod is arranged on the inner end of the first positioning ring.
4. The constant pressure sputum aspirator of claim 2, wherein: the track groove is an arc-shaped groove which is obliquely arranged towards the upper left.
5. The constant pressure sputum aspirator of claim 4, wherein: the peripheral wall of the air inducing part is provided with a hollow cavity, and the first spring, the first connecting rod, the adjusting ring, the second spring and the second connecting rod are positioned in the hollow cavity.
6. The constant pressure sputum aspirator of claim 1, wherein: the rotating plate further comprises an inner shaft and an outer shaft; the inner shaft is arranged on the inner end face of the rotating plate, an inner hole is formed in the central column, and the inner shaft is rotatably arranged in the inner hole; the outer shaft is arranged on the outer end face of the rotating plate and is located on the same center line with the inner shaft, a positioning hole is formed in the air inducing portion, the outer shaft is fixedly connected to the positioning hole, the adjusting rod and the outer shaft are located on the same plane, the adjusting rod is located at the left end of the plane, and the outer shaft is located at the right end of the plane.
7. The constant pressure sputum aspirator of claim 1, wherein: the suction pipe also comprises a suction port and a movable hose, wherein one end of the movable hose is arranged on the suction pipe connecting port; the pressure supply device is obliquely arranged on one side of the collecting barrel towards the lower left; the included angle between the suction pipe connecting port and the temporary storage part is smaller than 90 degrees, one end of the movable hose is installed on the suction pipe connecting port, and the suction port is installed at the other end of the movable hose.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210019093.7A CN114748709B (en) | 2022-01-10 | 2022-01-10 | Constant-pressure sputum suction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019093.7A CN114748709B (en) | 2022-01-10 | 2022-01-10 | Constant-pressure sputum suction device |
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| CN114748709A CN114748709A (en) | 2022-07-15 |
| CN114748709B true CN114748709B (en) | 2023-03-28 |
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| CN202210019093.7A Active CN114748709B (en) | 2022-01-10 | 2022-01-10 | Constant-pressure sputum suction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008073060A (en) * | 2006-08-23 | 2008-04-03 | Yuzo Yamaguchi | Phlegm aspiration tube driving device and phlegm aspirator |
| CN110051892B (en) * | 2019-05-05 | 2021-05-04 | 温州市人民医院 | Full-automatic flow-rate-adjusting backflow-preventing cerebrospinal fluid drainage device |
| CN210932981U (en) * | 2019-08-21 | 2020-07-07 | 重庆医科大学附属永川医院 | Breathe internal medicine with sputum discharging device that cleans breath |
| CN111188399B (en) * | 2020-01-20 | 2024-04-30 | 华侨大学 | Water-blocking drainage system |
| CN212662345U (en) * | 2020-04-13 | 2021-03-09 | 郑州大学第一附属医院 | Novel sputum aspirator |
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