CN113738611A

CN113738611A - Mechanical air pump

Info

Publication number: CN113738611A
Application number: CN202111068958.0A
Authority: CN
Inventors: 王泽华
Original assignee: Guangdong Huayuan Technology Co ltd
Current assignee: Guangdong Huayuan Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2021-12-03
Also published as: WO2023035295A1

Abstract

The invention belongs to the technical field of air pumps, and particularly relates to a mechanical air pump which comprises a driving mechanism, an air generator and a flow accelerator, wherein the air generator is arranged on the driving mechanism; the driving mechanism is provided with a shell, a cavity is arranged in the shell, and the outer wall of the shell is provided with an air inlet and an air outlet which are communicated with the cavity; the gas generator and the flow accelerator are both arranged in the cavity, and the driving mechanism drives the gas generator and the flow accelerator to operate; the gas generator sucks external gas into the cavity from the gas inlet, and the flow accelerator accelerates the gas in the cavity to form high-speed high-pressure gas and outputs the high-speed high-pressure gas from the gas outlet; when the mechanical air pump is in operation, the mechanical air pump has the advantages of large air flow output, high output air pressure, low noise, low vibration, low abrasion, long service life and the like.

Description

Mechanical air pump

Technical Field

The invention belongs to the technical field of air pumps, and particularly relates to a mechanical air pump.

Background

The pneumatic operation is to make the machine move or do work by utilizing the air pressure generated by the impact action or the rotation action, and the pneumatic operation is to take the compressed air as a power source to drive the machine to complete the stretching or rotating action. Because the characteristic of compressibility of air is utilized, the air is sucked for compression and storage, the air has elasticity like a spring, and then the direction of the air is controlled by the control element to drive the execution element to rotate and stretch. The air sucked from the atmosphere can be discharged into the atmosphere, no chemical reaction can be generated, no component polluting the air can be consumed, and in addition, the viscosity of the gas is smaller than that of the liquid, so the flowing speed is high, and the environment is protected

At present, in the pneumatic industry, the existing air pump generally uses a plurality of diaphragm type leather cups to beat repeatedly to carry out inflation, and the air pump has the defects of limited flow output, large leather cup beating noise, large vibration, long-term service life and the like.

Disclosure of Invention

The invention aims to provide a mechanical air pump, and aims to solve the technical problems that in the prior art, an air pump usually uses a plurality of diaphragm type leather cups to flap repeatedly to perform inflation, and the air pump is limited in flow output, large in leather cup flapping noise, large in vibration and short in long-term service life.

In order to achieve the above object, an embodiment of the present invention provides a mechanical air pump, which includes a driving mechanism, an air generator, and a flow accelerator; the driving mechanism is provided with a shell, a cavity is arranged in the shell, and the outer wall of the shell is provided with an air inlet and an air outlet which are communicated with the cavity; the gas generator and the flow accelerator are both arranged in the cavity, and the driving mechanism drives the gas generator and the flow accelerator to operate; the gas generator sucks external gas into the cavity from the gas inlet, and the flow accelerator accelerates the gas in the cavity to form high-speed high-pressure gas and outputs the high-speed high-pressure gas from the gas outlet.

Optionally, the gas generator comprises at least one rotating shaft; the rotating shaft is rotatably connected with the cavity, at least one fan blade is arranged on the rotating shaft, and the driving mechanism is connected with the rotating shaft and drives the rotating shaft to rotate.

Optionally, the rotating shaft is rotatably connected to the cavity through a bearing.

Optionally, the flow accelerator comprises an active screw; the driving spiral rod is rotatably connected to the cavity, the driving mechanism is connected with the driving spiral rod and drives the driving spiral rod to rotate, and gas flows rapidly along the spiral groove of the driving spiral rod to form high-speed high-pressure gas.

Optionally, the flow accelerator comprises two driven screw rods; two driven hob all rotate connect in the cavity, and two driven hob all with the meshing of initiative hob is connected.

Optionally, the air outlet is directed towards the active screw rod and arranged parallel to the axis thereof.

Optionally, a partition plate is arranged in the middle of the cavity, and the partition plate divides the cavity into an upper cavity and a lower cavity; the gas generator and the flow accelerator are respectively arranged in the upper cavity and the lower cavity, and the partition plate at least penetrates through the upper cavity and the lower cavity to form a vent hole; the air outlet is communicated with the upper cavity, and the air inlet is communicated with the lower cavity.

Optionally, the vent hole is provided with a one-way valve, and gas in the lower cavity can enter the upper cavity through the one-way valve.

Optionally, the outer wall of the shell is provided with a pressure regulating device communicated with the cavity.

Optionally, the pressure regulating device comprises a valve body, a sealing element, an elastic element and a regulating element; the valve body install in the outer wall of casing, the valve body runs through to be equipped with the intercommunication the mounting hole of cavity, the mounting hole is close to the one end size of cavity reduces and forms the opening and closing mouth, the sealing member the elastic component with the regulating part all install in the mounting hole, elastic component elasticity pushes away the sealed butt of sealing member the opening and closing mouth, the regulating part is used for adjusting the pretightning force of elastic component.

Compared with the prior art, one or more technical solutions in the mechanical air pump provided by the embodiment of the present invention at least have one of the following technical effects:

during operation, in the gas generator inhales external gas from the air inlet cavity, the flow accelerator accelerates the gas in the cavity to form high-speed high-pressure gas, and high-speed high-pressure gas exports from the gas outlet, realizes aerifing, need not to adopt a plurality of diaphragm type leather cups to pat repeatedly and carry out the inflatable mode, and mechanical type air pump has the noise little when the function, and vibrations are little, and wearing and tearing are little, advantages such as long service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a mechanical air pump according to the present invention.

Fig. 2 is a schematic structural view of the mechanical air pump of the present invention when the check valve is opened.

Fig. 3 is a schematic structural diagram of a mechanical air pump according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

a drive mechanism 100;

gas generator and 200, rotating shaft 210, fan blade 220;

the flow accelerator 300, a driving screw rod 310, a spiral groove 311, a driven screw rod 320;

the structure comprises a shell 400, a cavity 410, an upper cavity 411, a lower cavity 412, an air inlet 420, an air outlet 430, a clapboard 440, a vent hole 441, a mounting plate 450 and a through hole 451;

a check valve 500;

the pressure regulating device 600, the valve body 610, the mounting hole 611, the opening and closing opening 612, the sealing element 620, the elastic element 630 and the regulating element 640.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 and 2, there is provided a mechanical air pump including a driving mechanism 100, an air generator and 200, and a flow accelerator 300.

Referring to fig. 1 and 2, a housing 400 is disposed on the driving mechanism 100, a cavity 410 is disposed in the housing 400, and an air inlet 420 and an air outlet 430 communicating with the cavity 410 are disposed on an outer wall of the housing 400.

Referring to fig. 1 and 2, the gas generator 200 and the flow accelerator 300 are both mounted in the cavity 410, and the driving mechanism 100 drives the gas generator 200 and the flow accelerator 300 to operate.

Referring to fig. 1 and 2, the gas generator 200 sucks external gas into the cavity 410 from the gas inlet 420, the flow accelerator 300 accelerates the gas in the cavity 410 to form high-speed and high-pressure gas, and outputs the gas from the gas outlet 430 to realize inflation, and a mode of repeatedly beating a plurality of diaphragm type leather cups to perform inflation is not needed.

In another embodiment of the present invention, referring to fig. 1 and 2, a partition 440 is provided at the middle of the chamber 410, and the partition 440 divides the chamber 410 into an upper chamber 411 and a lower chamber 412. The gas generator 200 and the flow accelerator 300 are respectively installed in the upper chamber 411 and the lower chamber 412, and the partition 440 has at least one ventilation hole 441 penetrating therethrough. The outlet port 430 communicates with the upper chamber 411 and the inlet port 420 communicates with the lower chamber 412. The gas generator 200 sequentially passes the external gas through the gas inlet 420, the lower chamber 430 and the vent hole 441 to enter the upper chamber 411, and then accelerates the gas in the upper chamber 411 through the flow accelerator 300 to form high-speed and high-pressure gas.

In another embodiment of the present invention, referring to fig. 1 and 2, the gas generator 200 includes at least one rotating shaft 210. The first end of the rotating shaft 210 is rotatably connected to the middle of the partition 440 in the cavity 410, at least one fan blade 220 is disposed on the rotating shaft 210, the driving mechanism 100 is connected to the rotating shaft 210 and drives the rotating shaft 210 to rotate, and the rotating shaft 210 drives the fan blade 220 to rotate, so as to drive the external air to enter the upper cavity 411 through the air inlet 420, the lower cavity 412 and the vent 441 in sequence.

Further, referring to fig. 1 and 2, the driving mechanism 100 is a motor, the housing 400 is fixedly mounted on a housing of the motor, and a rotating shaft of the motor extends into the lower cavity 412 and is fixedly connected to the second end of the rotating shaft 210. The rotating shaft 210 is driven to rotate by the motor, and the structure is simple.

Further, referring to fig. 1 and 2, the first end of the rotating shaft 210 is rotatably connected to the middle of the partition 440 in the cavity 410 through a first bearing (not shown), so that the rotating shaft 210 rotates smoothly, is stably installed, and has low noise.

Further, referring to fig. 1 and 2, the housing 400 is uniformly provided with a plurality of air inlets 420 around the fan blade 220, and air is simultaneously introduced through the plurality of air inlets 320, so that the air inflow is large, the air inflow is uniform, and the noise is low.

In other embodiments, referring to fig. 1 and 2, the rotating shaft 210 is provided with a plurality of blades 220 arranged from top to bottom, and when the plurality of blades 220 rotate, the suction force is large, which is beneficial to rapidly drive the external air to enter the upper cavity 411 through the air inlet 420, the lower cavity 412 and the vent 441 in sequence.

In another embodiment of the present invention, referring to fig. 1 and 2, the flow accelerator 300 includes an active helical rod 310. The driving screw rod 310 is rotatably connected to the cavity 410, the driving mechanism 100 is connected to the driving screw rod 310 and drives the driving screw rod 310 to rotate, the driving screw rod 310 rotates at a high speed and pushes gas to flow rapidly, so that the gas flows rapidly along the spiral groove 311 of the driving screw rod 310 to form high-speed high-pressure gas, the high-speed high-pressure gas is output from the gas outlet, the gas flow output is large, and the output pressure is high.

Specifically, referring to fig. 1 and 2, the first end of the driving screw rod 310 is fixedly connected to the first end of the rotating shaft 210, and the driving screw rod 310 is driven to rotate by the rotating shaft 210, so that the structure is simple.

Further, referring to fig. 1 and 2, the flow accelerator 300 includes two driven screws 320. The two driven screw rods 320 are rotatably connected to the cavity 410, the two driven screw rods 320 are respectively located at two opposite sides of the driving screw rod 310, and the two driven screw rods 320 are engaged with the driving screw rod 310.

Referring to fig. 1 and 2, the driving screw rod 310 rotates the two driven screw rods 320, and the driving screw rod 310 and the two driven screw rods 320 simultaneously rotate and push the gas to rapidly flow, so that the gas rapidly flows along the spiral grooves of the driving screw rod 310 and the driven screw rods 320 to form high-speed high-pressure gas. Meanwhile, the spiral grooves where the driving screw rod 310 and the driven screw rod 320 are engaged with each other can play a certain sealing role, so that gas diffusion is prevented, and gas can flow rapidly along the spiral grooves.

Because flabellum 220, initiative hob 310 and two driven hobs 320 are all high-speed rotations at the during operation, can reach the velocity of flow that promotes gas fast for gas flow output after accelerating is big, and the output air pressure is high.

Specifically, referring to fig. 1 and 2, both ends of the driven screw 320 are rotatably connected to the partition 440 and the top wall of the upper chamber 411 through second bearings (not shown), respectively, and the driven screw 320 is stably installed. In addition, the two driven screw rods 320 are respectively engaged with the two opposite sides of the driving screw rod 310, and the two driven screw rods 320 support the driving screw rod 310, so that the second end of the driving screw rod 310 may not be connected with the top wall of the upper chamber 411 (i.e., in a suspended state), thereby reducing the cost of parts.

Further, the upper cavity 411 is adapted to accommodate the driving screw rod 310 and the two driven screw rods 320, and a small gap is formed between the inner side wall of the upper cavity 411 and the outer side walls of the driving screw rod 310 and the two driven screw rods 320, so that the driving screw rod 310 and the two driven screw rods 320 do not rub against the inner side wall of the upper cavity 411 when rotating at a high speed, and abrasion is reduced.

Further, referring to fig. 1 and 2, the gas outlet 430 faces the driving screw rod 310 and is parallel to the axis thereof, the gas pushed by the spiral groove and accelerated to flow can be rapidly output from the gas outlet 430, and the gas outlet 430 has a small resistance to the gas at the center, which is beneficial to outputting high-speed and high-pressure gas.

In other embodiments, referring to fig. 3, a mounting plate 450 is disposed near the top of the upper chamber 411, the mounting plate 450 has a plurality of through holes 451 extending therethrough, and the gas in the upper chamber 411 can be output from the gas outlet 430 through the through holes 451.

Referring to fig. 3, two ends of the driven screw rod 320 are rotatably connected to the partition 440 and the mounting plate 450 through second bearings (not shown), and a second end of the driving screw rod 310 is rotatably connected to the mounting plate 450 through third bearings (not shown), so that the driving screw rod 310 and the two driven screw rods 320 are stably mounted, and are not prone to shaking or vibrating during high-speed rotation, and the noise is low.

In another embodiment of the present invention, referring to fig. 1 and 2, the air vent 441 is provided with a check valve 500, and the check valve 500 has a function of one-way conduction. When the flabellum 220 rotates, the gas in the lower cavity 412 can push the check valve 500 to open to get into the upper cavity 411 through the check valve 500, when the flabellum 220 stops rotating, the check valve 500 resets and closes under the push of its own spring, the gas in the upper cavity 411 can not get into the lower cavity 412 through the check valve 500, the gas backflow is avoided, and the gas utilization rate is improved. Wherein the check valve 500 is mature prior art.

In another embodiment of the present invention, referring to fig. 1 and 2, the outer wall of the housing 400 is provided with a pressure regulating device 600 communicated with the cavity 410, and the pressure regulating device 600 is used for regulating the air pressure in the upper cavity 411. When the air pressure in the upper cavity 411 is greater than the set pressure value of the pressure regulating device 600, the air in the upper cavity 411 can be exhausted to the outside through the pressure regulating device 600, and the air pressure in the upper cavity 411 is kept to be the set air pressure, so that the air pressure adjusting device is suitable for different use requirements.

Further, referring to fig. 1 and 2, the pressure adjusting apparatus 600 includes a valve body 610, a sealing member 620, an elastic member 630, and an adjusting member 640. The valve body 610 is mounted on the outer wall of the housing 400, the valve body 610 penetrates through a mounting hole 611 of the upper cavity 411 communicated with the cavity 410, the size of one end, close to the upper cavity 411, of the mounting hole 611 is reduced to form an opening/closing port 612, the sealing element 620, the elastic element 630 and the adjusting element 640 are mounted on the mounting hole 611, the elastic element 630 pushes the sealing element 620 to be in sealing contact with the opening/closing port 612, and the adjusting element 640 is used for adjusting the pretightening force of the elastic element 630.

Referring to fig. 1 and 2, when the air pressure in the upper chamber 411 exceeds a predetermined value, the air pressure pushes the sealing member 620 and compresses the elastic member 630, so that the sealing member 620 is away from the opening/closing port 612, the opening/closing port 612 is opened, and the air in the upper chamber 411 is exhausted to the outside through the mounting hole 611. When the air pressure in the upper cavity 411 is equal to or less than a predetermined value, the elastic member 630 elastically pushes the sealing member 620 to seal and abut against the opening/closing port 612, and the opening/closing port 612 is in a closed state.

Further, referring to fig. 1 and 2, an internal thread is disposed at one end of the mounting hole 611 close to the outside, and an external thread is disposed on the adjusting member 640, and the external thread is in fit connection with the internal thread. The two ends of the elastic member 630 respectively abut against the sealing member 620 and the adjusting member 640, so that the pre-tightening force of the adjusting member 640 can be adjusted, thereby adjusting the air pressure inside the upper cavity 411, achieving the effect of pressure adjustment, and meeting different use requirements.

Further, referring to fig. 1 and 2, the sealing element 620 is provided with a spherical portion, the opening and closing port 612 is close to the conical port 612a at one end of the sealing element, the spherical portion is in fit abutment with the conical port 612a, the connection is tight, and the sealing effect is good.

Referring to fig. 1 and 2, the elastic member 630 is a spring, and two ends of the spring 630 respectively press the sealing member 620 and the adjusting member 640, so that the structure is simple and the elastic force is stable.

In other embodiments, the pressure regulating device 600 is a pressure regulating valve, which is convenient to use and high in precision.

Therefore, referring to fig. 1 and 2, compared to the conventional method of performing inflation by repeatedly beating a plurality of diaphragm cups, the inflation method of accelerating the gas by sucking the gas 420 through the fan blade 220 and the driving screw rod 310 and the driven screw rod 320 has the advantages of large gas flow output, low noise, small vibration, small abrasion, long service life, and the like.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the invention as defined by the appended claims.

Claims

1. A mechanical air pump is characterized by comprising a driving mechanism, an air generator and a flow accelerator; the driving mechanism is provided with a shell, a cavity is arranged in the shell, and the outer wall of the shell is provided with an air inlet and an air outlet which are communicated with the cavity; the gas generator and the flow accelerator are both arranged in the cavity, and the driving mechanism drives the gas generator and the flow accelerator to operate; the gas generator sucks external gas into the cavity from the gas inlet, and the flow accelerator accelerates the gas in the cavity to form high-speed high-pressure gas and outputs the high-speed high-pressure gas from the gas outlet.

2. The mechanical air pump according to claim 1, wherein: the gas generator comprises at least one rotating shaft; the rotating shaft is rotatably connected with the cavity, at least one fan blade is arranged on the rotating shaft, and the driving mechanism is connected with the rotating shaft and drives the rotating shaft to rotate.

3. The mechanical air pump according to claim 2, wherein: the rotating shaft is rotatably connected to the cavity through a bearing.

4. The mechanical air pump according to claim 1, wherein: the flow accelerator comprises an active screw rod; the driving spiral rod is rotatably connected to the cavity, the driving mechanism is connected with the driving spiral rod and drives the driving spiral rod to rotate, and gas flows rapidly along the spiral groove of the driving spiral rod to form high-speed high-pressure gas.

5. The mechanical air pump according to claim 4, wherein: the flow accelerator comprises two driven screw rods; two driven hob all rotate connect in the cavity, and two driven hob all with the meshing of initiative hob is connected.

6. The mechanical air pump according to claim 4, wherein: the air outlet faces the driving screw rod and is arranged parallel to the axis of the driving screw rod.

7. Mechanical air pump according to any of claims 1 to 6, characterized in that: the middle part of the cavity is provided with a baffle plate which divides the cavity into an upper cavity and a lower cavity; the gas generator and the flow accelerator are respectively arranged in the upper cavity and the lower cavity, and the partition plate at least penetrates through the upper cavity and the lower cavity to form a vent hole; the air outlet is communicated with the upper cavity, and the air inlet is communicated with the lower cavity.

8. The mechanical air pump according to claim 7, wherein: the vent hole is provided with a one-way valve, and gas in the lower cavity can enter the upper cavity through the one-way valve.

9. Mechanical air pump according to any of claims 1 to 6, characterized in that: the outer wall of the shell is provided with a pressure regulating device communicated with the cavity.

10. The mechanical air pump according to claim 9, wherein: the pressure regulating device comprises a valve body, a sealing element, an elastic element and a regulating element; the valve body install in the outer wall of casing, the valve body runs through to be equipped with the intercommunication the mounting hole of cavity, the mounting hole is close to the one end size of cavity reduces and forms the opening and closing mouth, the sealing member the elastic component with the regulating part all install in the mounting hole, elastic component elasticity pushes away the sealed butt of sealing member the opening and closing mouth, the regulating part is used for adjusting the pretightning force of elastic component.