CN220090183U - Sine wave airflow generator - Google Patents
Sine wave airflow generator Download PDFInfo
- Publication number
- CN220090183U CN220090183U CN202321681605.2U CN202321681605U CN220090183U CN 220090183 U CN220090183 U CN 220090183U CN 202321681605 U CN202321681605 U CN 202321681605U CN 220090183 U CN220090183 U CN 220090183U
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- piston
- sine wave
- shell
- airflow generator
- support
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- 238000009423 ventilation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 206010002091 Anaesthesia Diseases 0.000 description 7
- 230000037005 anaesthesia Effects 0.000 description 7
- 206010063659 Aversion Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the technical field of medical equipment, and discloses a sine wave airflow generator, which comprises an airflow generating device and a power device; the power device comprises a supporter and a driving motor, wherein the supporter is elliptical, the supporter is connected with the driving motor, and the driving motor is used for driving the supporter to rotate; the air flow generating device comprises a shell, a pushing rod and a piston assembly connected to the pushing rod, wherein the piston assembly is arranged in the shell, and one end, far away from the piston assembly, of the pushing rod is in sliding connection with the support. The utility model has the advantages that the structure for pushing the piston to move in the positive-wave airflow generator can be used for a long time, and the effect that the structure for pushing the piston influences the use of the whole equipment is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a sine wave airflow generator.
Background
With development of an inhalation type anesthesia system, the industry standard of a new inhalation type anesthesia system is implemented successively, components such as an anesthesia respiratory system, an anesthesia gas purification system, an anesthesia gas delivery device, an anesthesia respirator and the like in the anesthesia system are respectively standardized, simulation of patient respiration is one important content, and a mode of simulating patient airflow by sine wave or half sine wave airflow is provided.
The general sine wave or half sine wave airflow generator is provided with a pushing piston, the piston can be pushed to move under the action of a motor through the cooperation of two sections of bent rods, so that sine wave airflow is generated, but the two sections of bent rods are in a triangular structure when bent, under the action of motor driving, the two sections of bent rods are pushed to be in a straight line from the state of the triangular structure until the two sections of bent rods reach the same horizontal line, and then the triangular structure is changed, and due to the continuous relative turning-back movement of the two sections of bent rods, the connecting part of the two sections of bent rods is broken in a long time, so that the use of the whole equipment is affected.
Disclosure of Invention
In order to enable a structure for pushing the piston to move in the positive sine wave airflow generator to be used for a long time, the structure for pushing the piston is effectively prevented from affecting the use of the whole device, and the sine wave airflow generator is provided.
The sine wave airflow generator provided by the utility model adopts the following technical scheme:
a sine wave airflow generator comprises an airflow generating device and a power device;
the power device comprises a supporter and a driving motor, wherein the supporter is elliptical, the supporter is connected with the driving motor, and the driving motor is used for driving the supporter to rotate;
the air flow generating device comprises a shell, a pushing rod and a piston assembly connected to the pushing rod, wherein the piston assembly is arranged in the shell, and one end, far away from the piston assembly, of the pushing rod is in sliding connection with the support.
Through adopting above-mentioned technical scheme, the cooperation with original two sections curved bars has become the catch bar and has promoted the piston subassembly under the effect of eyelidretractor, only a catch bar, and the cracked phenomenon of junction when not having the motion of turning back, and the effectual catch bar that promotes the piston subassembly motion in making positive brown wave airflow generator can use for a long time, effectively avoids promoting the use of the catch bar of piston subassembly influence whole equipment.
Preferably, a pulley is arranged at the joint of the pushing rod and the support, the pulley is arranged on the pushing rod, and the pulley is in sliding connection with the support.
Through adopting above-mentioned technical scheme, the catch bar is removed by oval-shaped support's effect, and then there is great frictional force when the catch bar can slide between with the support, then installs a pulley on the catch bar, and the pulley can roll on the support to reduce frictional force.
Preferably, the shell is provided with an air inlet pipeline and an air outlet pipeline, the shell is cuboid, the air outlet pipeline is arranged on the shell far away from one end of the pushing rod, and the air inlet pipeline is arranged on the side face of the cuboid and near one end of the pulley.
Through adopting above-mentioned technical scheme, get into gas in the admission line, promote gas from the gas outlet pipe way under the promotion effect of piston to the effect that the realization air current takes place.
Preferably, the piston assembly is arranged in the shell, and is movably arranged between the joint of the air inlet pipeline and the shell and the joint of the air outlet pipeline and the shell, and a plurality of ventilation holes with the same size are arranged on the piston assembly, and the interval gap between the ventilation holes is larger than the diameter of the ventilation holes.
Through adopting above-mentioned technical scheme, the piston subassembly sets up between admission line and gas outlet pipe way, then the gas that advances in the admission line need enter into the gas outlet pipe way department from the bleeder vent of piston subassembly, the effectual production that has realized the air current.
Preferably, the piston assembly comprises a first piston sheet and a second piston sheet, the first piston sheet and the second piston sheet are placed in parallel, the first piston sheet is connected with a pushing rod, the middle of the pushing rod is arranged to be hollow, a rotating motor is fixedly installed in the hollow of the pushing rod, a through hole for a motor shaft of the rotating motor to pass through is formed in the first piston sheet, the motor shaft of the rotating motor is connected with the second piston sheet, and the rotating motor is used for driving the second piston sheet to rotate.
Through adopting above-mentioned technical scheme, promote first piston piece on the catch bar and remove to drive the second piston piece and remove, the rotatory motor in the catch bar drives second piston piece and rotates an angle, make the bleeder vent on the second piston piece rotate to the position that first piston piece is not the bleeder vent, first piston piece and second piston piece cooperate, can let both of its bleeder vents block up, form airtight space, get into gas from the admission line, enter into the casing through the air vent in with the department of giving vent to anger pipeline, the bleeder vent is closed after the rotating electrical machines rotates, driving motor rotates, the catch bar upwards promotes the piston subassembly, the air that will get into forms the air current and pushes into the emergence of air current in the outlet pipeline, effectual realization air current.
Preferably, sealing plugs are arranged between the first piston piece and the second piston piece and between the first piston piece and the shell.
By adopting the technical scheme, the sealing plug is arranged, so that the air flow is effectively ensured to be pushed into the air outlet pipeline, and the air flow is effectively prevented from flowing away from the gap between the piston and the shell.
Preferably, the generating device and the power device are provided with a case outside, the driving motor and the shell are fixed in the case, and the air outlet pipeline and the air inlet pipeline extend out of the case.
By adopting the technical scheme, the machine box is arranged outside the generating device and the power device, so that the whole generator can be effectively protected.
Preferably, the chassis is provided with a fixing piece, and the fixing piece is sleeved on the periphery of the push rod in a semi-encircling mode.
Through adopting above-mentioned technical scheme, set up and encircle the catch bar and set up a stationary blade, can let the catch bar only by the upper and lower promotion, effectual prevent the catch bar aversion.
In summary, the utility model has the following beneficial technical effects:
1. the original matching of the two sections of bent rods is changed into that the pushing rods push the piston assembly under the action of the support, only one pushing rod is arranged, the phenomenon that the connecting part is broken during the turning-back movement is avoided, the pushing rods pushing the piston assembly to move in the positive-wave airflow generator can be used for a long time, and the pushing rods pushing the piston assembly are effectively prevented from affecting the use of the whole equipment;
2. when the pushing rod moves under the action of the elliptical support, a large friction force exists between the pushing rod and the support when the pushing rod slides, and a pulley is arranged on the pushing rod and can roll on the support, so that the friction force is reduced;
3. the setting encircles the catch bar and sets up a stationary blade, can let the catch bar only by the upper and lower promotion, effectual prevent the catch bar aversion.
Drawings
Fig. 1 is an internal view of a cabinet of a sine wave airflow generator of the present utility model, with a housing portion in cross-section.
Fig. 2 is a view showing a state in which a push rod of a case is removed from a sine wave airflow generator according to the present utility model.
Fig. 3 is a state diagram of the sine wave airflow generator according to the present utility model, in which the push rod with the chassis removed is pushed up.
Fig. 4 is an exploded view of a piston assembly of a sine wave airflow generator of the present utility model.
Fig. 5 is a diagram of the installation position of a rotary electric machine of a sine wave air flow generator according to the present utility model.
Reference numerals illustrate: 1. a support; 2. a driving motor; 3. a housing; 4. a push rod; 5. a piston assembly; 6. a pulley; 7. an air intake duct; 8. an air outlet pipe; 9. ventilation holes; 10. a first piston plate; 11. a second piston plate; 12. a rotating electric machine; 13. a through hole; 14. a fixing piece; 15. and a case.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The embodiment of the utility model discloses a sine wave airflow generator. Referring to fig. 1, the airflow generator includes an airflow generating device and a power device;
wherein the generator and the power device are provided with a case 15 outside, which can effectively protect the whole generator.
Specifically, the power device comprises a support 1 and a driving motor 2, wherein the support 1 is elliptical, the support 1 is connected with the driving motor 2, the driving motor 2 is fixed in a case 15, and the driving motor 2 is used for driving the support 1 to rotate.
The air flow generating device comprises a shell 3, a push rod 4 and a piston assembly 5 connected to the push rod 4, wherein the piston assembly 5 is arranged in the shell 3, one end of the push rod 4 away from the piston assembly 5 is in sliding connection with the support 1, and the shell 3 is fixedly arranged in a machine case 15.
Wherein be provided with air inlet duct 7 and pipeline 8 of giving vent to anger on the casing 3, casing 3 is cuboid form, and pipeline 8 of giving vent to anger sets up on the casing 3 of keeping away from push rod 4 one end, and air inlet duct 7 sets up on the side of cuboid, and sets up in being close to pulley 6 one end. The air enters the air inlet pipeline 7, and the air is pushed out of the air outlet pipeline 8 under the pushing action of the piston, so that the effect of air flow generation is realized.
Referring to fig. 2 and 3, the driving motor 2 rotates the supporter 1, the supporter 1 is elliptical, the piston assembly 5 is pushed upward when the push rod 4 contacts the long axis, and the piston assembly 5 descends when the contact point of the push rod 4 with the supporter 1 moves from the long axis position to the short axis position during the rotation of the supporter 1.
The pulley 6 is installed to the junction of push rod 4 and support 1, and pulley 6 installs on push rod 4, pulley 6 and support 1 sliding connection. When the pushing rod 4 moves under the action of the elliptical support 1, a large friction force exists between the pushing rod 4 and the support 1 when the pushing rod 4 slides, and a pulley 6 is arranged on the pushing rod 4, so that the pulley 6 can roll on the support 1, and the friction force is reduced.
The piston assembly 5 is arranged in the shell 3, and is movably arranged between the joint of the air inlet pipeline 7 and the shell 3 and the joint of the air outlet pipeline 8 and the shell 3, a plurality of air holes 9 with the same size are arranged on the piston assembly 5, and the interval gaps among the air holes 9 are larger than the diameter of the air holes 9.
The piston assembly 5 is arranged between the air inlet pipeline 7 and the air outlet pipeline 8, so that air entering into the air inlet pipeline 7 needs to enter into the air outlet pipeline 8 from the air holes 9 of the piston assembly 5, and the generation of air flow is effectively realized.
Referring to fig. 4, the piston assembly 5 includes a first piston 10 and a second piston 11, where the first piston 10 and the second piston 11 are disposed in parallel, and it should be noted that, in the figure, the interval between the first piston 10 and the second piston 11 is too large, so as to clearly see the corresponding positions of the ventilation holes 9, and in practice, the two should be attached.
Referring to fig. 5, a first piston plate 10 is connected with a push rod 4, the middle of the push rod 4 is hollow, a rotary motor 12 is fixedly installed in the hollow of the push rod 4, a through hole 13 for a motor shaft of the rotary motor 12 to pass through is formed in the first piston plate 10, the motor shaft of the rotary motor 12 is connected with a second piston plate 11, and the rotary motor 12 is used for driving the second piston plate 11 to rotate.
The first piston sheet 10 is pushed on the push rod 4 to move and drive the second piston sheet 11 to move, the rotary motor 12 in the push rod 4 drives the second piston sheet 11 to rotate by an angle, so that the air holes 9 on the second piston sheet 11 rotate to positions where the first piston sheet 10 is not the air holes 9, the first piston sheet 10 is matched with the second piston sheet 11, the air holes 9 of the first piston sheet and the second piston sheet are blocked to form a closed space, air enters from the air inlet pipeline 7 and enters the position of the shell 3, which is communicated with the air outlet pipeline 8, of the shell through the air holes, the air holes 9 are closed after the rotary motor 12 rotates, the drive motor 2 rotates, the push rod 4 pushes the piston assembly 5 upwards, and the air entering the air outlet pipeline 8 is pushed into the air flow, so that the air flow is effectively realized.
A sealing plug is mounted between the first piston plate 10 and the second piston plate 11 and the housing 3. The arrangement of the sealing plug effectively ensures that the air flow is pushed into the air outlet pipeline 8, and effectively avoids the air flow from flowing away from the gap between the piston and the shell 3.
The chassis 15 is provided with a fixing piece 14, and the fixing piece 14 is sleeved on the periphery of the push rod 4 in a semi-surrounding mode. The push rod 4 can be pushed up and down only, and the push rod 4 is effectively prevented from being shifted.
The implementation principle of the sine wave airflow generator in the embodiment of the utility model is as follows: the driving motor 2 drives the support 1 to rotate, the pulley 6 below the pushing rod 4 moves on the elliptical support 1 to drive the pushing rod 4 to move up and down, the pushing rod 4 pushes the first piston sheet 10 to move and drives the second piston sheet 11 to move, the rotating motor 12 in the pushing rod 4 drives the second piston sheet 11 to rotate by an angle, the air holes 9 on the second piston sheet 11 rotate to the position where the first piston sheet 10 is not the air holes 9, the first piston sheet 10 is matched with the second piston sheet 11, the air holes 9 of the first piston sheet and the second piston sheet are blocked to form a closed space, air enters from the air inlet pipeline 7 and enters the position where the shell 3 is communicated with the air outlet pipeline 8 through the air holes, the air holes 9 are closed after the rotating motor 12 rotates, the driving motor 2 rotates, the pushing rod 4 pushes the piston assembly 5 upwards to push the air entering into the air outlet pipeline 8, and the air flow is effectively realized.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A sine wave airflow generator, characterized by: comprises an airflow generating device and a power device;
the power device comprises a support (1) and a driving motor (2), wherein the support (1) is elliptical, the support (1) is connected with the driving motor (2), and the driving motor (2) is used for driving the support (1) to rotate;
the air flow generating device comprises a shell (3), a pushing rod (4) and a piston assembly (5) connected to the pushing rod (4), wherein the piston assembly (5) is arranged in the shell (3), and one end, far away from the piston assembly (5), of the pushing rod (4) is in sliding connection with the support (1).
2. A sine wave airflow generator according to claim 1 wherein: the pulley (6) is arranged at the joint of the pushing rod (4) and the support (1), the pulley (6) is arranged on the pushing rod (4), and the pulley (6) is in sliding connection with the support (1).
3. A sine wave airflow generator according to claim 1 wherein: be provided with air inlet pipe (7) and air outlet pipe (8) on casing (3), casing (3) are cuboid form, air outlet pipe (8) set up on casing (3) of keeping away from push rod (4) one end, air inlet pipe (7) set up on the side of cuboid, and set up in being close to pulley (6) one end.
4. A sine wave airflow generator according to claim 1 wherein: the piston assembly (5) is arranged in the shell (3), the piston assembly is movably arranged between the joint of the air inlet pipeline (7) and the shell (3) and the joint of the air outlet pipeline (8) and the shell (3), a plurality of ventilation holes (9) with the same size are formed in the piston assembly (5), and the spacing gaps among the ventilation holes (9) are larger than the diameters of the ventilation holes (9).
5. A sine wave airflow generator according to claim 1 wherein: the piston assembly (5) comprises a first piston sheet (10) and a second piston sheet (11), the first piston sheet (10) is placed in parallel with the second piston sheet (11), the first piston sheet (10) is connected with a push rod (4), the middle of the push rod (4) is arranged to be hollow, a rotating motor (12) is fixedly installed in the push rod (4), a through hole (13) for a motor shaft of the rotating motor (12) to penetrate is formed in the first piston sheet (10), the motor shaft of the rotating motor (12) is connected with the second piston sheet (11), and the rotating motor (12) is used for driving the second piston sheet (11) to rotate.
6. A sine wave airflow generator according to claim 5 wherein: a sealing plug is arranged between the first piston sheet (10) and the second piston sheet (11) and the shell (3).
7. A sine wave airflow generator according to claim 3 or 4 wherein: the power generation device is characterized in that a case (15) is arranged on the outer side of the generation device and the power device, the driving motor (2) and the shell (3) are fixed in the case (15), and the air outlet pipeline (8) and the air inlet pipeline (7) are extended out of the case (15).
8. A sine wave airflow generator according to claim 7 wherein: the chassis (15) is provided with a fixing piece (14), and the fixing piece (14) is sleeved on the periphery of the pushing rod (4) in a semi-encircling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681605.2U CN220090183U (en) | 2023-06-29 | 2023-06-29 | Sine wave airflow generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681605.2U CN220090183U (en) | 2023-06-29 | 2023-06-29 | Sine wave airflow generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220090183U true CN220090183U (en) | 2023-11-28 |
Family
ID=88864805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681605.2U Active CN220090183U (en) | 2023-06-29 | 2023-06-29 | Sine wave airflow generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220090183U (en) |
-
2023
- 2023-06-29 CN CN202321681605.2U patent/CN220090183U/en active Active
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