CN116771641B - Leakage-proof device for air pump - Google Patents
Leakage-proof device for air pump Download PDFInfo
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- CN116771641B CN116771641B CN202311048073.3A CN202311048073A CN116771641B CN 116771641 B CN116771641 B CN 116771641B CN 202311048073 A CN202311048073 A CN 202311048073A CN 116771641 B CN116771641 B CN 116771641B
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- air
- bottle
- pipe
- opening
- connecting pipe
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- 239000011324 bead Substances 0.000 claims abstract description 38
- 230000000903 blocking effect Effects 0.000 claims description 19
- 239000010705 motor oil Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The application discloses a leakage-proof device for an air pump, which relates to the technical field of air pumps and comprises an exhaust bottle communicated with a vent pipe, wherein one end of the exhaust bottle, which is far away from the vent pipe, is provided with a gas leakage opening, a choke component is arranged in the exhaust bottle, and the choke component comprises a plurality of choke beads. The application has the effect that the vent pipe is not easy to leak engine oil in the operation process of the air pump.
Description
Technical Field
The application relates to the technical field of air pumps, in particular to a leakage-proof device for an air pump.
Background
An air pump, also called an air compressor, is a machine that compresses air to raise the pressure of the air and deliver the air. The working principle of the air pump is that the engine drives the air pump crankshaft through two triangular belts or gears, thereby driving the piston to pump air. The engine is provided with a crankcase breather pipe commonly called as a breather or a vent hole, which can lead the inner cavity of the crankcase to be communicated with the atmosphere, reduce the oil consumption of the engine, reduce faults and ensure the good working performance of the air compressor.
In the operation process of the air pump, the problem that the engine oil is brought out due to the fact that the air is discharged from the vent pipe, and the engine oil is splashed by the air carried by the air, so that the environment is polluted. In addition, the long-term leakage of engine oil can cause the shortage of engine oil in the crankcase, and the service life of the air pump is influenced.
Disclosure of Invention
In order to prevent oil leakage of the vent pipe in the operation process of the air pump, the application provides a leakage preventing device for the air pump.
The application provides a leakage-proof device for an air pump, which adopts the following technical scheme:
the exhaust pipe comprises an exhaust bottle communicated with the vent pipe, wherein a gas leakage port is formed in one end, far away from the vent pipe, of the exhaust bottle, a flow blocking assembly is arranged in the exhaust bottle, and the flow blocking assembly comprises a plurality of flow blocking beads.
By adopting the technical scheme, the breather pipe is communicated with the gas exhaust cylinder, so that the gas in the crankcase is exhausted out of the crankcase along the gas release port of the gas exhaust cylinder; the choke beads are arranged in the gas discharge cylinder, the choke beads plug the communication part of the vent pipe and the gas discharge cylinder, gas can still be discharged out of the vent pipe along the gap between the choke beads and is discharged out of the gas discharge cylinder along the gas discharge port, and engine oil carried by the gas can be blocked by the choke beads when passing through the choke beads and falls back into the vent pipe. The arrangement of the choke component ensures that engine oil is not easy to splash and leak, and prolongs the service life of the air pump.
Optionally, one end of the exhaust bottle close to the vent pipe is communicated with a connecting pipe, and the connecting pipe is detachably connected with the vent pipe;
the connecting pipe comprises a connecting pipe section and a conveying pipe section, and an adjusting component for adjusting the outer diameter of the connecting pipe section is arranged on the connecting pipe section.
By adopting the technical scheme, the exhaust bottle is communicated with the vent pipe through the connecting pipe, and the connecting pipe is detachably connected with the vent pipe, so that the exhaust bottle can be replaced conveniently; the connecting pipe section of the connecting pipe is inserted into the vent pipe to realize direct connection of the connecting pipe and the vent pipe, and the outer diameter of the connecting pipe section is adjusted by the adjusting assembly, so that the connecting pipe section can be suitable for the vent pipes with different sizes.
Optionally, the adjusting part comprises an air bag and an air supply pipe connected to the air bag, the air bag is coated outside the connecting pipe section, an air inflation cavity is formed between the inner side wall of the air bag and the outer side wall of the connecting pipe section, and one end of the air supply pipe is communicated with the air inflation cavity.
Through adopting above-mentioned technical scheme, form between gasbag inside wall and the communicating pipe section lateral wall and aerify the chamber through the air supply pipe for the air bag inflation, close the air supply pipe after the gasbag inflation is to supporting tight breather pipe inside wall, can realize the regulation of switch-on pipe section external diameter, when improving connecting pipe suitability, can also improve the gas tightness between connecting pipe and the breather pipe junction, the connection stability between reinforcing connecting pipe and the breather pipe.
Optionally, one end of the air supply pipe away from the air filling cavity is communicated with the connecting pipe, and an air interception valve is arranged on the air supply pipe.
By adopting the technical scheme, one end of the air supply pipe, which is far away from the air charging cavity, is communicated with the connecting pipe, and when the air in the vent pipe is discharged into the connecting pipe, part of the air flows into the air charging cavity along the air supply pipe to supply air to the air charging cavity; the setting of the air interception valve is used for realizing the opening or closing of the air supply pipe, thereby controlling the communication between the connecting pipe and the inflation cavity.
Optionally, the choke assembly further includes a guide bucket fixed in the gas exhaust cylinder, the guide bucket is located between the gas leakage port and the choke bead, and an opening of the guide bucket is arranged towards the choke bead.
By adopting the technical scheme, when gas passes through the gap between the flow blocking beads and enters the gas discharge bottle, part of oil drops still exist along with the gas and enter the gas discharge bottle, after the oil drops move to the flow guiding hopper along with the gas, the oil drops are accumulated on the flow guiding hopper and flow to the opening of the flow guiding port along the inner side wall of the flow guiding hopper, and the oil drops fall back into the gas discharge bottle and fall back into the connecting pipe along the gap between the flow blocking beads so as to further reduce the leakage of engine oil.
Optionally, an oil storage tank is arranged in the gas exhaust cylinder, the oil storage tank is positioned at one side of the diversion bucket close to the flow blocking beads, and an opening of the oil storage tank is opposite to the edge of the diversion bucket;
the oil storage tank is communicated with an oil discharge pipe, and one end, far away from the oil storage tank, of the oil discharge pipe is communicated with the connecting pipe.
Through adopting above-mentioned technical scheme, the oil storage tank is located the side that the water conservancy diversion fill is close to the flow choking pearl, and the notch is just right with the edge of water conservancy diversion fill, and the oil droplet of gathering on the water conservancy diversion fill is direct to fall into the oil storage tank after sliding along the water conservancy diversion fill inside wall, flows along the oil drain pipe again in to the connecting pipe, flows back in the crankcase. Because the gas is continuously sprayed out from one end of the gas exhaust cylinder where the flow blocking beads are arranged, and oil drops are collected in the flow guiding hopper and then fall into the oil storage tank, the obstruction of the air flow sprayed out of the flow blocking beads to the oil drop backflow is reduced, and the oil drops can smoothly flow back into the crankcase.
Optionally, the exhaust bottle includes integrated into one piece's vertical bottle section and buckling bottle section, the air escape opening is arranged in buckling bottle section is last, the choked flow pearl is located in the vertical bottle section.
Through adopting above-mentioned technical scheme, when breather pipe exhaust gas velocity of flow is higher, engine oil also promotes along the speed of vertical direction under the effect of air current, and the setting of buckling bottle section blocks the engine oil that rises rapidly, has reduced the engine oil and has directly followed the probability that the gas outlet splashes under the effect of gas.
Optionally, a guide post is fixed on the gas exhaust cylinder, and an opening and closing plate for closing the gas discharge port is slidably arranged at the gas discharge port; the guide post passes through the opening and closing plate and is in sliding connection with the opening and closing plate, one end of the guide post, which is far away from the vent pipe, is provided with an abutting block for limiting the opening and closing plate to slide out of the guide post.
Through adopting above-mentioned technical scheme, the board that opens and shuts slides on the guide post, has realized the sliding connection of board on the gas cylinder that opens and shuts, when having gas to flow out in the gas cylinder, the air current drive opens and shuts the board and upwards slide in order to open the gas vent, realizes the exhaust function of gas vent, and the board that opens and shuts can with the butt piece butt when sliding, under the restriction of butt piece, the board that opens and shuts is difficult for breaking away from the guide post.
Optionally, the bleeder is articulated to be provided with the closure plate that is used for closed bleeder, fixedly be provided with on the exhaust bottle lateral wall be used for restricting closure plate turned angle.
By adopting the technical scheme, the closing plate is hinged at the air leakage port, and when the air in the air exhaust cylinder is exhausted, the air flow drives the closing plate to rotate in the direction away from the air exhaust cylinder so as to open the air leakage port for exhausting; the closed plate can be propped against the limit baffle in the rotation process, and the limit baffle limits the rotation angle of the closed plate, so that the rotation angle of the closed plate is not easy to exceed the range of self weight recovery.
Optionally, the air leakage opening is covered with an air exhaust screen plate.
Through adopting above-mentioned technical scheme, the setting of exhaust otter board can reduce the probability that choked flow pearl breaks away from in the exhaust bottle when not hindering gaseous exhaust.
In summary, the present application includes at least one of the following beneficial effects:
1. according to the application, the vent pipe is communicated with the gas exhaust cylinder for exhausting, and the choke beads are arranged in the gas exhaust cylinder, so that after gas enters the gas exhaust cylinder, the choke beads in the gas exhaust cylinder can prevent engine oil flowing along with the gas from entering the gas exhaust cylinder, so that the engine oil can fall back into the vent pipe, and the possibility of engine oil splashing and leakage is reduced;
2. according to the application, the guide hopper is arranged between the air leakage opening and the flow blocking beads, oil drops carried by air are blocked by the guide hopper so as to be gathered in the guide hopper, and the oil drops gathered in the guide hopper flow into the oil storage tank along the inner side wall of the guide hopper, so that the blocking of the oil drops caused by the air flow sprayed out of the flow blocking beads to the backflow of the oil drops is reduced, and the leakage quantity of engine oil is further reduced;
3. according to the application, the adjusting assembly is arranged on the connecting pipe section of the connecting pipe, and can adjust the outer diameter of the connecting pipe section, so that the connecting pipe section can be suitable for ventilation pipes with different sizes;
4. according to the application, the exhaust bottle is provided with the vertical bottle section and the bent bottle section which are integrally formed, the bent bottle section is used for blocking engine oil which rises rapidly, and the probability that engine oil is directly splashed out from the air leakage opening under the action of air is reduced.
Drawings
Fig. 1 is a schematic view showing the overall structure of a leak preventer for an air pump according to embodiment 1 of the present application;
FIG. 2 is a schematic cross-sectional view of embodiment 1 of the present application;
FIG. 3 is a schematic cross-sectional view of the connection part of the connecting pipe and the vent pipe according to embodiment 2 of the present application;
FIG. 4 is an enlarged partial schematic view at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of embodiment 3 of the present application;
FIG. 6 is a schematic cross-sectional view of embodiment 4 of the present application;
fig. 7 is a schematic cross-sectional structure of embodiment 5 of the present application.
Reference numerals illustrate: 1. an exhaust cylinder; 11. an air vent; 12. an oil storage tank; 13. an oil drain pipe; 14. a vertical bottle section; 15. bending the bottle section; 16. an exhaust screen; 17. a guide post; 171. an abutment block; 18. a limit baffle; 2. a choke bead; 3. a connecting pipe; 31. connecting the pipe section; 311. a threaded joint; 32. transporting the pipe section; 4. an adjustment assembly; 41. an air bag; 411. an air-filling cavity; 42. an air supply pipe; 43. an air-stop valve; 5. a diversion bucket; 51. a mounting rod; 6. an opening plate; 7. a closing plate; 8. a vent pipe; 9. a support plate; 91. a clamping ring; 911. a fixed end; 912. a free end; 92. clamping a bolt; 10. and a receiving edge.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
Example 1
Referring to fig. 1 and 2, a leakage preventing device for an air pump according to an embodiment of the present application includes an air discharge cylinder 1 and a connecting pipe 3 connected to the air discharge cylinder 1, wherein one end of the connecting pipe 3 away from the air discharge cylinder 1 is connected to a vent pipe 8. The air pump is provided with the backup pad 9 of vertical setting, and the bottom of backup pad 9 welds on the air pump, and the top towards being close to the direction horizontal extension of breather pipe 8 and be connected with grip ring 91. The two ends of the clamping ring 91 are fixedly connected with a fixed end 911 and a free end 912 respectively, and the fixed end 911 and the free end 912 are welded on the supporting plate 9. A space exists between the free end 912 and the fixed end 911, and the fixed end 911 is penetrated with a clamping bolt 92, and the clamping bolt 92 penetrates through the supporting plate 9 and then penetrates through the fixed end 911. The gas discharge bottle 1 is vertically clamped in the clamping ring 91, and the clamping bolt 92 on the fixed end 911 is penetrated in the free end 912 and is in threaded connection with the free end 912, so that the gas discharge bottle 1 is clamped and fixed above the vent pipe 8.
Referring to fig. 2, the connection pipe 3 is detachably connected with the ventilation pipe 8, and the connection pipe 3 includes an integrally formed connection pipe section 31 and a transportation pipe section 32, and the connection pipe section 31 is fixed to one end of the transportation pipe section 32 and communicates with the transportation pipe section 32. In this embodiment, a screwed joint 311 is fixedly sleeved on the connecting pipe section 31 of the connecting pipe 3, and the screwed joint 311 is sleeved on the vent pipe 8 and is in threaded connection with the vent pipe 8. When the vent pipe 8 is exhausted outward, gas enters the gas exhaust cylinder 1 and is exhausted through the mesh holes on the gas exhaust screen 16.
Referring to fig. 2, when the gas is discharged outwards, part of engine oil in the crankcase is sprayed outwards under the action of the gas, and in order to reduce engine oil leakage caused by the exhaust of the breather pipe 8, a choke assembly is arranged in the exhaust bottle 1. In this embodiment, the choke assembly is specifically configured as a plurality of choke beads 2, and the diameter of the choke beads 2 is greater than the inner diameter of the ventilation pipe 8, all the choke beads 2 are stacked at the bottom of the gas discharge bottle 1, and gaps are left between adjacent choke beads 2. The end of the exhaust bottle 1 far away from the vent pipe 8 is provided with a vent port 11, the vent port 11 is covered with an exhaust screen 16, in this embodiment, the exhaust screen 16 and the exhaust bottle 1 are integrally formed, and the mesh holes on the exhaust screen 16 are only arranged near the edge of the exhaust screen 16. In the present embodiment, the inner diameter of the gas discharge cylinder 1 near one end of the connection pipe 3 is tapered toward the direction near the connection pipe 3.
When gas and engine oil enter the gas exhaust cylinder 1 along the connecting pipe 3, the gas can be discharged along the gap between the choke beads 2, the engine oil is difficult to move upwards due to the obstruction of the choke beads 2 when moving upwards, and therefore falls back into the connecting pipe 3, and when the breather pipe 8 is not used for discharging gas any more, the engine oil flows back into the crankcase along the breather pipe 8.
The embodiment of the application provides an implementation principle of a leakage prevention device for an air pump, which comprises the following steps: the degassing cylinder 1 is clamped in the clamping ring 91, and the clamping bolts 92 on the free end 912 of the clamping ring 91 are screwed onto the fixed end 911 to clamp the degassing cylinder 1. The screwed joint 311 on the connecting pipe 3 is screwed on the vent pipe 8, so that the connecting pipe 3 is communicated with the vent pipe 8, and the air pump can be operated. During operation of the air pump, the temperature in the crankcase increases, so that the pressure in the crankcase increases gradually, and the gas in the crankcase is discharged out of the crankcase along the connecting pipe 3. The gas is discharged with oil drops, the oil drops enter the gas discharge bottle 1 together with the gas, and the gas continuously rises along the gaps between the choke beads 2 and is discharged from the gas discharge bottle 1 through the gas discharge screen 16. The oil drops flow to the outer side wall of the choke bead 2 and then fall along the outer side wall of the choke bead 2, and flow back into the connecting pipe 3.
Example 2
The difference between this embodiment and embodiment 1 is that, referring to fig. 3 and 4, an adjusting assembly 4 is provided on the connection pipe section 31, the adjusting assembly 4 includes an air supply pipe 42 and an air bag 41 wrapped outside the connection pipe section 31, and the air bag 41 is fixedly connected to the outer side wall of the connection pipe section 31; an air inflation chamber 411 is formed between the inner side wall of the air bag 41 and the outer side wall of the connecting pipe section 31, and one end of the air supply pipe 42 is communicated with the air inflation chamber 411, and the other end passes through the transportation pipe section 32 and is communicated with the inside of the transportation pipe section 32. In the present embodiment, the air bag 41 is made of rubber, and the opening of the air supply tube 42 inside the connection tube 3 is disposed downward. The air supply pipe 42 is further provided with an air cutoff valve 43 on a pipe section outside the connection pipe 3, and the air cutoff valve 43 is used for controlling the communication state between the connection pipe 3 and the inflation cavity 411. In the present embodiment, two air supply pipes 42 are specifically provided, and the two air supply pipes 42 are oppositely provided at both sides of the connection pipe 3.
Referring to fig. 4, the connecting pipe section 31 is inserted into the vent pipe 8, when the gas in the vent pipe 8 is exhausted, a part of the gas enters the inflation cavity 411 along the gas supply pipe 42, so that the gas bag 41 expands to abut against the inner wall of the vent pipe 8, and then the gas cutoff valve 43 is closed to disconnect the connection between the connecting pipe 3 and the inflation cavity 411, thereby realizing the connection between the connecting pipe 3 and the vent pipe 8.
The setting of adjusting part 4 can adjust the external diameter of switch-on pipe section 31 for connecting pipe 3 can be applicable to the breather pipe 8 of different pipe diameters.
Example 3
The difference between this embodiment and embodiment 2 is that, referring to fig. 5, the choke assembly further includes a guide funnel 5 disposed in the gas exhaust cylinder 1, and the guide funnel 5 is located between the gas release port 11 and the choke bead 2. The guide hopper 5 is specifically provided in a hollow cone shape, and an opening of the guide hopper 5 is provided toward a direction approaching the connecting pipe 3. The outer side wall of the diversion bucket 5 is fixedly provided with two installation rods 51, the two installation rods 51 are oppositely arranged on the diversion bucket 5, and one end, far away from the diversion bucket 5, of each installation rod 51 is fixedly connected to the inner side wall of the exhaust bottle 1, so that the diversion bucket 5 is fixed in the exhaust bottle 1.
Referring to fig. 5, an annular receiving edge 10 is fixed below the guide hopper 5, and one side of the receiving edge 10, which is close to the inner side wall of the exhaust bottle 1, is fixedly connected with the inner side wall of the exhaust bottle 1, so that an oil storage tank 12 is formed between the receiving edge 10 and the inner side wall of the exhaust bottle 1, and the oil storage tank 12 is arranged opposite to the edge of the guide hopper 5. An oil drain pipe 13 is fixed on the gas drain cylinder 1, one end of the oil drain pipe 13 is communicated with the oil storage tank 12, and the other end is communicated with the conveying pipe section 32.
When the gas discharged from the connecting pipe 3 is discharged along the choke bead 2, the gas still carries part of engine oil to pass through the choke bead 2 and enter the gas discharge bottle 1. When the oil drops entering the gas discharge bottle 1 are accumulated on the inner side wall of the guide hopper 5 after moving into the guide hopper 5, the accumulated oil drops can move downwards under the action of self gravity and fall back into the oil storage tank 12. The back flow of engine oil is hindered because gas is continuously sprayed out between gaps formed by the adjacent flow blocking beads 2. The diversion bucket 5 and the oil storage tank 12 are arranged, so that oil drops carried by gas and passing through the flow blocking beads 2 can be accumulated on the diversion bucket 5, flow into the oil storage tank 12 along the inner side wall of the diversion bucket 5, directly flow back into the connecting pipe 3 along the oil drain pipe 13, and the leakage of engine oil is further reduced.
Example 4
The present embodiment is different from embodiment 2 in that, referring to fig. 6, in order to further reduce the possibility of leakage of the engine oil from the relief port 11. The gas discharge bottle 1 comprises an integrally formed vertical bottle section 14 and a bent bottle section 15, in this embodiment, the bent bottle section 15 is perpendicular to the vertical bottle section 14, and the gas discharge port 11 is formed in one end of the bent bottle section 15 far away from the vertical bottle section 14 and is located on the top surface of the bent bottle section 15. In this embodiment, the opening plate 6 is provided at the air release port 11. The outer side wall of the bent bottle section 15 is fixed with guide posts 17, in this embodiment, the air leakage port 11 is circular, four guide posts 17 are arranged around the air leakage port 11, and adjacent guide posts 17 are arranged around the center of the air leakage port 11 at intervals of 90 degrees. The guide post 17 passes through the opening and closing plate 6, and the opening and closing plate 6 is slidably connected to the guide post 17, so that the sliding connection of the opening and closing plate 6 above the air leakage opening 11 is realized.
When the gas is discharged from the gas discharge port 11, the opening and closing plate 6 vertically slides along the guide column 17 under the action of the gas, the opening and closing plate 6 can control the opening degree of the gas discharge port 11, and a gap exists between the outer side wall of the opening and closing plate 6 and the gas discharge port 11.
Referring to fig. 6, in order to reduce the possibility that the opening plate 6 is separated from the guide post 17 during sliding, an abutment block 171 is fixed to an end of the guide post 17 remote from the gas discharge cylinder 1. When the opening and closing plate 6 is positioned to the end of the guide post 17, it can abut against the abutment block 171.
Example 5
The difference between this embodiment and embodiment 4 is that, referring to fig. 7, a closure plate 7 is provided at the vent 11, and the side end of the closure plate 7 is hinged to the outer side wall of the bent bottle section 15. There is also a gap between the outer side wall of the closing plate 7 and the inner side wall of the vent 11, making it difficult for the closing plate 7 to completely close the vent 11. When the gas is discharged from the gas discharge port 11, the closing plate 7 rotates in a direction away from the gas discharge port 11 under the action of the gas to control the opening degree of the gas discharge port 11.
Referring to fig. 7, a limit baffle 18 is further fixed on the outer side wall of the bent bottle section 15, one end of the limit baffle 18 is fixed to the outer side wall of the bent bottle section 15, and the other end extends horizontally in a direction approaching the gas leakage port 11. When the closing plate 7 rotates, the closing plate 7 can be propped against the limit baffle 18, so that the rotation angle of the closing plate 7 is limited, the rotation angle of the closing plate 7 is difficult to exceed 30 degrees, and the closing plate 7 can rotate to be restored to the original state in the direction close to the air leakage port 11 under the action of self gravity after rotating.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A leak-proof apparatus for an air pump, characterized in that: the air-flow-resistant air-exhausting device comprises an air-exhausting bottle (1) communicated with an air pipe (8), wherein one end, far away from the air pipe (8), of the air-exhausting bottle (1) is provided with an air-leakage opening (11), and a flow-resistant assembly is arranged in the air-exhausting bottle (1) and comprises a plurality of flow-resistant beads (2);
one end of the exhaust bottle (1) close to the vent pipe (8) is communicated with a connecting pipe (3), and the connecting pipe (3) is detachably connected with the vent pipe (8); the connecting pipe (3) comprises a connecting pipe section (31) and a conveying pipe section (32), and an adjusting component (4) for adjusting the outer diameter of the connecting pipe section (31) is arranged on the connecting pipe section (31);
the adjusting assembly (4) comprises an air bag (41) and an air supply pipe (42) connected to the air bag (41), the air bag (41) is coated outside the connecting pipe section (31), an air inflation cavity (411) is formed between the inner side wall of the air bag (41) and the outer side wall of the connecting pipe section (31), and one end of the air supply pipe (42) is communicated with the air inflation cavity (411);
one end of the air supply pipe (42) far away from the air filling cavity (411) is communicated with the connecting pipe (3), and an air interception valve (43) is arranged on the air supply pipe (42).
2. A leakage preventing apparatus for an air pump according to claim 1, wherein: the flow blocking assembly further comprises a flow guiding hopper (5) fixed in the exhaust bottle (1), the flow guiding hopper (5) is located between the air leakage opening (11) and the flow blocking beads (2), and an opening of the flow guiding hopper (5) is arranged towards the flow blocking beads (2).
3. A leakage preventing apparatus for an air pump according to claim 2, wherein: an oil storage tank (12) is arranged in the exhaust bottle (1), the oil storage tank (12) is positioned at one side of the diversion bucket (5) close to the flow blocking beads (2), and an opening of the oil storage tank (12) is opposite to the edge of the diversion bucket (5); the oil storage tank (12) is communicated with an oil discharge pipe (13), and one end, far away from the oil storage tank (12), of the oil discharge pipe (13) is communicated with the connecting pipe (3).
4. A leakage preventing apparatus for an air pump according to claim 1, wherein: the exhaust bottle (1) comprises an integrally formed vertical bottle section (14) and a bent bottle section (15), the air leakage opening (11) is formed in the bent bottle section (15), and the flow blocking beads (2) are located in the vertical bottle section (14).
5. A leakage preventing apparatus for an air pump according to claim 4, wherein: a guide column (17) is fixed on the exhaust bottle (1), and an opening and closing plate (6) for closing the air leakage opening (11) is arranged at the air leakage opening (11) in a sliding manner; the guide post (17) passes through the opening and closing plate (6) and is in sliding connection with the opening and closing plate (6), and one end of the guide post (17) away from the vent pipe (8) is provided with an abutting block (171) for limiting the opening and closing plate (6) to slide out of the guide post (17).
6. A leakage preventing apparatus for an air pump according to claim 4, wherein: the gas leakage opening (11) is hinged with a closing plate (7) for closing the gas leakage opening (11), and a limit baffle (18) for limiting the rotation angle of the closing plate (7) is fixedly arranged on the outer side wall of the gas exhaust bottle (1).
7. A leakage preventing apparatus for an air pump according to claim 1, wherein: an exhaust screen plate (16) is covered at the air leakage opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311048073.3A CN116771641B (en) | 2023-08-21 | 2023-08-21 | Leakage-proof device for air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311048073.3A CN116771641B (en) | 2023-08-21 | 2023-08-21 | Leakage-proof device for air pump |
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| Publication Number | Publication Date |
|---|---|
| CN116771641A CN116771641A (en) | 2023-09-19 |
| CN116771641B true CN116771641B (en) | 2023-11-10 |
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| CN202311048073.3A Active CN116771641B (en) | 2023-08-21 | 2023-08-21 | Leakage-proof device for air pump |
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