CN214787903U - Air pump and air pressure equipment - Google Patents
Air pump and air pressure equipment Download PDFInfo
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- CN214787903U CN214787903U CN202120102621.6U CN202120102621U CN214787903U CN 214787903 U CN214787903 U CN 214787903U CN 202120102621 U CN202120102621 U CN 202120102621U CN 214787903 U CN214787903 U CN 214787903U
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Abstract
The utility model discloses an air pump and air pressure equipment, wherein, the air pump comprises a pump body and a one-way valve component; the pump body is provided with a gas storage cavity; the check valve assembly comprises a valve body and at least one valve plate, the valve body is arranged on the pump body in a sealing mode, the valve body covers the gas storage cavity, at least one through hole communicated with the gas storage cavity is formed in the valve body, one end of the valve plate is connected with the valve body, the other end of the valve plate is arranged corresponding to the through hole, and the valve plate is made of stainless steel; the valve plate is in an opening state or a closing state; in the open state, the other end of the valve plate is spaced from the valve body, so that the air storage cavity is communicated with the external space; in the closed state, the other end of the valve plate covers the via hole. The utility model discloses technical scheme has improved the durability of valve block, has prolonged the life of air pump.
Description
Technical Field
The utility model relates to an air pump technical field, in particular to air pump and pneumatic equipment.
Background
The air pump is in the compression process to gaseous, and sealed is a very important link, and sets up the check valve at the air pump, and the cost is cheap than the solenoid valve, and the dependable performance. For the check valve, the vibration resistance, the reverse pressure maintaining performance, the forward flow resistance and the like are all key performances, and the valve plate of the traditional check valve is basically made of a rubber film material, so that when the air pump works for a long time, the valve plate is easily punctured or melted by high pressure and high temperature, and the air pump is damaged.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide an air pump aims at improving the durability of valve block, prolongs the life of air pump.
In order to achieve the above object, the present invention provides an air pump comprising:
the pump body is provided with an air storage cavity; and
the check valve assembly comprises a valve body and at least one valve plate, the valve body is arranged on the pump body in a sealing mode, the valve body covers the gas storage cavity, the valve body is provided with at least one through hole communicated with the gas storage cavity, one end of the valve plate is connected with the valve body, the other end of the valve plate is arranged corresponding to the through hole, and the valve plate is made of stainless steel;
the valve plate is in an opening state or a closing state; in the open state, the other end of the valve plate is spaced from the valve body, so that the air storage cavity is communicated with the external space; in the closed state, the other end of the valve plate covers the via hole.
Optionally, a mounting groove is formed in the valve body, the via hole penetrates through the bottom wall of the mounting groove, and the valve plate is arranged in the mounting groove.
Optionally, the diapire of mounting groove is equipped with the mounting hole, the mounting hole with the via hole interval sets up, the connecting hole has been seted up to the valve block, and the connecting piece passes in proper order the connecting hole with the mounting hole, in order to connect the valve block with the valve body.
Optionally, two through holes are provided, and the two through holes are arranged at intervals;
the check valve component comprises two valve plates, the two valve plates are arranged on two opposite sides of the valve body respectively, one end of each valve plate is connected with the valve body, and the other end of each valve plate corresponds to one through hole.
Optionally, the air pump further comprises an end cover, the end cover covers the check valve assembly and is connected with one side of the pump body, the end cover and the pump body are enclosed to form an accommodating cavity, the valve body is accommodated and limited in the accommodating cavity, and the end cover is provided with a first through hole and a second through hole which are communicated with the accommodating cavity at intervals.
Optionally, a positioning table is arranged on one side, facing the end cover, of the valve body, the via hole penetrates through the positioning table, the positioning table corresponds to the first through hole and covers the first through hole, and therefore the via hole is communicated with the first through hole.
Optionally, the valve body towards one side of end cover has seted up the constant head tank, the constant head tank encircles the location platform sets up, check valve subassembly still includes first sealing washer, first sealing washer is located in the constant head tank, just first sealing washer with the outer wall sealing butt of first through-hole.
Optionally, the check valve assembly further comprises a second sealing ring, the second sealing ring is located between the end cover and the valve body, and the second sealing ring is in sealing abutment with the valve body and the end cover respectively.
Optionally, a limit groove is formed in the periphery of one side, back to the end cover, of the valve body, the check valve assembly further comprises a third sealing ring, and the third sealing ring is arranged in the limit groove and is in sealing abutting connection with the pump body.
The utility model also provides an air pressure equipment, including organism and as above arbitrary the air pump, the organism is equipped with airtight container, the check valve subassembly of air pump with airtight container connects, so that the gas storage chamber of air pump with airtight container intercommunication.
The utility model discloses air pump among the technical scheme includes the pump body and check valve subassembly, and the pump body is formed with the gas storage chamber that holds gas, and check valve subassembly includes valve body and valve block, with the valve body closing cap in the gas storage chamber. Meanwhile, via holes communicated with the gas storage cavity are formed in the valve body at intervals, one end of the valve plate is connected with one side of the valve body, the other end of the valve plate is arranged corresponding to the via holes, the valve plate has an opening state or a closing state, and in the closing state, the valve plate can stop gas on the same side of the valve plate from passing through the via holes; and when the gas on the other side pushes the valve plate open through the through hole, the valve plate is in an open state. The through hole allows air to pass through in one direction, and the valve plate controls the air pump to realize one-way conveying. In addition, the valve plate is made of stainless steel, so that the valve plate can resist high temperature and high pressure, and the service life of the air pump is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the air pump of the present invention;
FIG. 2 is an exploded view of an embodiment of the air pump of the present invention;
FIG. 3 is an exploded view of the end cap and check valve assembly of an embodiment of the air pump of the present invention;
fig. 4 is an exploded view of the end cap and the check valve assembly from another perspective in an embodiment of the air pump of the present invention.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) |
|
100 | Limiting |
219 |
Pump body | 1 | |
22 |
Gas storage cavity | 11 | Connecting |
221 |
One- |
2 | Connecting |
24 |
|
21 | |
26 |
Via |
211 | |
27 |
|
213 | |
28 |
|
215 | |
3 |
Positioning table | 217 | First through |
32 |
Locating |
218 | Second through |
33 |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an air pump 100.
As shown in fig. 2, in the embodiment of the present invention, the air pump 100 includes a pump body 1 and a check valve assembly 2; the pump body 1 is provided with an air storage cavity 11; the check valve assembly 2 comprises a valve body 21 and at least one valve plate 22 which are arranged on the pump body 1, the valve body 21 is covered on the gas storage cavity 11 in a sealing mode, the valve body 21 is provided with at least one through hole 211 communicated with the gas storage cavity 11, one end of the valve plate 22 is connected with the valve body 21, the other end of the valve plate 22 is arranged corresponding to the through hole 211, and the valve plate 22 is made of stainless steel; the valve plate 22 has an open state or a closed state; in the open state, the other end of the valve sheet 22 is spaced from the valve body 21 so that the air reservoir chamber 11 communicates with the external space; in the closed state, the other end of the valve plate 22 covers the via hole 211.
In this embodiment, the pump body 1 includes but is not limited to engine and piston, and the piston is connected with the output of engine, and the engine drive piston inflates, and the gas of inflating is led into the gas storage chamber 11 through the air duct, promotes the atmospheric pressure in the gas storage chamber 11. It can be understood that the air pump 100 further includes a mounting seat, and the pump body 1 is mounted on the mounting seat, so as to improve the working stability of the pump body 1. Optionally, the pump body 1 and the mounting seat are connected by bolts, and of course, may be connected by a snap connection or a latch connection, which is not limited herein. In order to facilitate the installation of the air pump 100 on other devices, the mounting base is provided with fixing holes, the fixing holes can be connected with holes on other devices in a matching manner, and the number of the fixing holes can be adjusted according to the number of the holes of the specific device, which is not limited herein.
In this embodiment, the shape of the valve body 21 is matched with the shape of the air storage cavity 11, and the size of the valve body 21 is slightly larger than the size of the opening of the air storage cavity 11, so that the valve body 21 can be conveniently sealed in the air storage cavity 11. For example, if the inner wall of the air reservoir chamber 11 is cylindrical and the opening thereof is circular, the valve body 21 is also circular, and the fitting property is improved. In order to facilitate the leading out of the gas in the gas storage cavity 11, the valve body 21 is provided with a via hole 211 communicated with the gas storage cavity 11, the via hole 211 can be in a shape of a circle, a triangle or a square, and the like, and is not limited herein as long as the via hole is communicated with the gas storage cavity 11. Optionally, one through hole 211 may be provided to simplify the structure of the valve body 21, or a plurality of through holes may be provided to improve the efficiency of the gas passing through the through hole 211.
It can be understood that, in order to cover the through hole 211 when necessary and prevent the gas in the gas storage cavity 11 from flowing away, one end of the valve plate 22 is connected to the valve body 21, and the other end is disposed corresponding to the through hole 211, that is, the valve plate 22 can cover the through hole 211 when necessary. The connection manner of the valve plate 22 and the valve body 21 may be screw connection, snap connection, adhesion, welding, or the like, and is not limited herein. In order to improve the durability of the valve plate 22, the valve plate 22 is made of stainless steel, and when the air pump 100 works for a long time, a high-temperature and high-pressure environment is easily generated in the air storage cavity 11, so that the stainless steel valve plate 22 can resist high temperature and high pressure, the valve plate 22 is not easily broken down, the damage probability of the air pump 100 is reduced, and the service life of the air pump 100 is prolonged.
In this embodiment, the valve sheet 22 has an open state or a closed state, and in the open state, the valve sheet 22 is spaced from the valve body 21. Specifically, the gas of storing in the gas receiver increases gradually, and atmospheric pressure risees gradually, and when atmospheric pressure reachd a certain value, but valve block 22 is jack-up to atmospheric pressure through producing in the gas receiver, makes valve block 22 and valve body 21 interval, and gas receiver chamber 11 communicates with via hole 211 promptly, and gaseous accessible via hole 211 flows out to exterior space, prevents that the atmospheric pressure in the gas receiver chamber 11 from riseing gradually and the emergence accident, has improved the security. It can be understood that, in the closed state, the air pressure in the air storage cavity 11 is not enough to jack up the valve plate 22, and the air in the air storage cavity 11 cannot pass through the through hole 211, so that the sufficient air pressure can be stored in the air storage cavity 11.
In order to improve the ventilation efficiency, the air storage cavity 11 is communicated with two opposite ends of the pump body 1, that is, the air storage cavity 11 has two openings, each of which is provided with a check valve component 2, that is, the air in the air storage cavity 11 can flow out of the external space through the check valve components 2 at the two ends. Of course, one check valve may be provided to control the gas in the gas storage chamber 11 to flow out in one direction, and the other check valve may be provided to control the gas in the external space to flow into the gas storage chamber 11, so as to improve the applicability.
The utility model discloses air pump 100 among the technical scheme includes the pump body 1 and check valve subassembly 2, and pump body 1 is formed with the gas storage chamber 11 that holds gas, and check valve subassembly 2 includes valve body 21 and valve block 22, covers valve body 21 in gas storage chamber 11. Meanwhile, via holes 211 communicated with the gas storage cavity 11 are formed in the valve body 21 at intervals, one end of the valve plate 22 is connected with one side of the valve body 21, the other end of the valve plate 22 is arranged corresponding to the via holes 211, the valve plate 22 has an opening state or a closing state, and in the closing state, the valve plate 22 can stop gas on the same side of the valve plate from passing through the via holes 211; and when the gas on the other side pushes open the valve plate 22 through the through hole 211, the valve plate 22 is in an open state. That is, the through hole 211 allows the air to pass through in one direction, and the air pump 100 is controlled by the valve plate 22 to realize one-way delivery. In addition, the valve plate 22 is made of stainless steel, so that the air pump 100 can resist high temperature and high pressure, and the service life of the air pump is prolonged.
As shown in fig. 3, in an embodiment, the valve body 21 is provided with a mounting groove 213, the via hole 211 is disposed through a bottom wall of the mounting groove 213, and the valve plate 22 is disposed in the mounting groove 213.
In this embodiment, in order to prevent the valve plate 22 from deviating, the valve body 21 is provided with an installation groove 213, the valve plate 22 is disposed in the installation groove 213, and the installation groove 213 can limit the valve plate 22. Optionally, the shape of the valve plate 22 is matched with the shape of the mounting groove 213, and here, the valve plate 22 is rectangular, so that the valve plate can be conveniently switched between the open state and the closed state. It can be understood that the mounting groove 213 is also rectangular, and when the valve plate 22 is mounted in the mounting groove 213, the surface of the valve plate 22 is flush with the surface of the valve body 21, so as to prevent air leakage. It can be understood that the via hole 211 penetrates through the bottom wall of the mounting groove 213, that is, when the valve plate 22 is mounted in the mounting groove 213, the valve plate 22 can be covered on the via hole 211.
In an embodiment, the bottom wall of the mounting groove 213 is provided with a mounting hole 215, the mounting hole 215 is spaced apart from the via hole 211, the valve plate 22 is provided with a connecting hole 221, and the connecting member 24 sequentially passes through the connecting hole 221 and the mounting hole 215 to connect the valve plate 22 and the valve body 21.
In this embodiment, in order to stabilize connecting valve plate 22 and valve body 21, two mounting holes 215 have been seted up to the diapire of mounting groove 213, and two adjacent settings of mounting hole 215, and two mounting holes 215 and via hole 211 are located the relative both ends of mounting groove 213 diapire respectively. It can be understood that two connecting holes 221 are correspondingly formed in the valve plate 22, one connecting hole 221 is correspondingly disposed with one mounting hole 215, correspondingly, the connecting member 24 is disposed with two connecting pieces, and one connecting member 24 sequentially passes through one connecting hole 221 and one mounting hole 215 to connect the valve plate 22 and the valve body 21. Of course, the mounting hole 215 and the connection hole 221 may be provided in one or more number, which is not limited herein. Alternatively, the connector 24 is a bolt, screw or pin.
Referring to fig. 3 and 4, in an embodiment, there are two through holes 211, and the two through holes 211 are disposed at an interval; the check valve assembly 2 comprises two valve plates 22, the two valve plates 22 are respectively arranged on two opposite sides of the valve body 21, one end of each valve plate 22 is connected with the valve body 21, and the other end of each valve plate 22 corresponds to a through hole 211.
In this embodiment, in order to make the one-way valve controllable to discharge air in one direction and control air in one direction at the same time, the two through holes 211 are provided and spaced. Two valve plates 22 are respectively arranged on two opposite sides of the valve body 21 and are arranged corresponding to the through holes 211, that is, one through hole 211 is used as an air inlet, and the other through hole 211 is used as an air outlet. Specifically, one valve plate 22 is disposed on one side of the valve body 21 facing away from the pump body 1 and is covered at the air outlet to prevent air from entering from the air outlet, and meanwhile, the other valve plate 22 is disposed on one side of the valve body 21 facing the pump body 1 and is covered at the air inlet to prevent air from exiting from the air inlet. That is to say, the gas can only be admitted from the inlet port, and is given vent to anger from the venthole, guarantees gaseous accurate direction.
Referring to fig. 1 and fig. 2, in an embodiment, the air pump 100 further includes an end cover 3, the end cover 3 covers the check valve assembly 2 and is connected to one side of the pump body 1, the end cover 3 and the pump body 1 enclose to form an accommodating cavity, the valve body 21 is accommodated and limited in the accommodating cavity, and the end cover 3 is provided with a first through hole 32 and a second through hole 33 at intervals to communicate the accommodating cavity.
In this embodiment, in order to protect the check valve assembly 2, the air pump 100 further includes an end cap 3, and optionally, the end cap 3 and the pump body 1 may be connected by a screw connection, a snap connection, or a latch connection, so as to improve the assembling and disassembling stability. Optionally, the cross section of the end cap 3 is T-shaped, so that the material consumption is reduced. In order to accommodate the check valve assembly 2, the end cover 3 and the pump body 1 enclose to form an accommodating cavity, the valve body 21 is accommodated and limited in the accommodating cavity, and the shape of the valve body 21 is matched with that of the accommodating cavity to prevent the valve body 21 from shaking. Optionally, the periphery of the outer wall of the opening of the gas storage cavity 11 is provided with a positioning flange, the positioning flange is in fit clamping connection with the end cover 3, a plurality of first threaded holes are formed in the periphery of the positioning flange at intervals, correspondingly, a plurality of second threaded holes are also formed in the end cover 3, the pump body 1 and the end cover 3 are positioned through the positioning flange, the first threaded holes and the second threaded holes are sequentially arranged in a penetrating mode through the threaded connecting piece 24 to connect the end cover 3 and the pump body 1, and connection stability is improved.
It can be understood that, in order to communicate the one-way valve with the external space, a first through hole 32 and a second through hole 33 communicating with the accommodating cavity are arranged on the end cover 3 at intervals, optionally, the first through hole 32 corresponds to one through hole 211, and the second through hole 33 corresponds to the other through hole 211. That is, the first through hole 32 and the second through hole 33 can be used as an air inlet hole and an air outlet hole, respectively, and other devices can be correspondingly connected with the first through hole 32 and the second through hole 33 as required.
As shown in fig. 3, in an embodiment, a positioning table 217 is disposed on a side of the valve body 21 facing the end cap 3, the through hole 211 is disposed through the positioning table 217, the positioning table 217 is disposed corresponding to the first through hole 32, and covers the first through hole 32, so that the through hole 211 communicates with the first through hole 32.
In this embodiment, in order to prevent the first through hole 32 and the second through hole 33 from being communicated with each other through the accommodating cavity, and thus the gas coming out from the through hole 211 flows out from the first through hole 32 and the second through hole 33 synchronously, the positioning table 217 is arranged to cover the first through hole 32. Meanwhile, a through hole 211 is arranged through the positioning table 217, that is, the through hole 211 is communicated with the first through hole 32, so that it can be ensured that the gas of the through hole 211 can only pass through the first through hole 32 but not pass through the second through hole 33, and the accuracy of the gas flow direction is ensured. In addition, the positioning table 217 also plays a role in positioning and installation, and when the end cover 3 is connected with the pump body 1, the positioning table 217 can be positioned by penetrating through the first through hole 32, so that accurate installation can be realized. It will be appreciated that the positioning table 217 sealingly abuts the inner wall of the first through-hole 32, preventing air leakage.
In an embodiment, a positioning groove 218 is formed on a side of the valve body 21 facing the end cap 3, the positioning groove 218 is disposed around the positioning table 217, the check valve assembly 2 further includes a first sealing ring 26, the first sealing ring 26 is disposed in the positioning groove 218, and the first sealing ring 26 is in sealing contact with an outer wall of the first through hole 32.
In this embodiment, in order to improve the sealing performance, the positioning groove 218 is disposed on the peripheral ring of the positioning table 217 of the valve body 21, the first sealing ring 26 is partially disposed on the positioning groove 218, and a part of the first sealing ring protrudes out of the positioning groove 218, that is, when the positioning table 217 is inserted into the first through hole 32, the first sealing ring 26 is in sealing contact with the outer wall of the first through hole 32, so as to improve the sealing effect. Optionally, the first sealing ring 26 is a rubber ring, a plastic ring, a silicone ring, or the like, and the sealing effect is good.
Referring to fig. 3 and 4, in an embodiment, the check valve assembly 2 further includes a second sealing ring 27, the second sealing ring 27 is located between the end cover 3 and the valve body 21, and the second sealing ring 27 is in sealing contact with the valve body 21 and the end cover 3, respectively.
In this embodiment, in order to improve the connection sealing performance between the end cover 3 and the valve body 21 and prevent gas leakage, the check valve assembly 2 further includes a second sealing ring 27, optionally, a first fixing groove may be disposed on one side of the valve body 21 facing the end cover 3, and a portion of the second sealing ring 27 is accommodated and limited in the first fixing groove, of course, a second fixing groove may be disposed on one side of the end cover 3 facing the valve body 21 and a portion of the second sealing ring 27 is accommodated and limited in the second fixing groove, and when the valve body 21 is connected to the end cover 3, the second sealing ring 27 is respectively in sealing abutment with the valve body 21 and the end cover 3, so as to improve the sealing performance. Optionally, the first sealing ring 26 is a rubber ring, a plastic ring, a silicone ring, or the like, and the sealing effect is good.
As shown in fig. 4, in an embodiment, a limit groove 219 is formed on a peripheral edge of one side of the valve body 21 facing away from the end cover 3, and the check valve assembly 2 further includes a third sealing ring 28, where the third sealing ring 28 is disposed in the limit groove 219 and is in sealing abutment with the pump body 1.
In this embodiment, in order to improve the sealing performance between the valve body 21 and the pump body 1 and prevent gas leakage, the check valve assembly 2 further includes a third seal ring 28, and the third seal ring 28 is disposed in the limit groove 219 of the valve body 21, so that when the valve body 21 is connected to the pump body 1, the third seal ring 28 can be in sealing contact with the pump body 1, thereby improving the sealing performance. Optionally, the first sealing ring 26 is a rubber ring, a plastic ring, a silicone ring, or the like, and the sealing effect is good.
The utility model discloses still provide an air pressure equipment (not shown), this air pressure equipment includes organism and air pump 100, and above-mentioned embodiment is referred to this air pump 100's concrete structure, because this air pressure equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, the machine body is provided with a closed container, and the check valve component 2 of the air pump 100 is connected with the closed container so as to communicate the air storage cavity 11 of the air pump 100 with the closed container.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An air pump, characterized in that it comprises:
the pump body is provided with an air storage cavity; and
the check valve assembly comprises a valve body and at least one valve plate, the valve body is arranged on the pump body in a sealing mode, the valve body covers the gas storage cavity, the valve body is provided with at least one through hole communicated with the gas storage cavity, one end of the valve plate is connected with the valve body, the other end of the valve plate is arranged corresponding to the through hole, and the valve plate is made of stainless steel;
the valve plate is in an opening state or a closing state; in the open state, the other end of the valve plate is spaced from the valve body, so that the air storage cavity is communicated with the external space; in the closed state, the other end of the valve plate covers the via hole.
2. The air pump of claim 1, wherein the valve body is provided with an installation groove, the via hole is arranged through the bottom wall of the installation groove, and the valve plate is arranged in the installation groove.
3. The air pump of claim 2, wherein a mounting hole is formed in the bottom wall of the mounting groove, the mounting hole is spaced from the via hole, the valve plate is provided with a connecting hole, and a connecting member sequentially passes through the connecting hole and the mounting hole to connect the valve plate and the valve body.
4. The air pump of claim 1, wherein there are two of the vias, and the two vias are spaced apart from each other;
the check valve component comprises two valve plates, the two valve plates are arranged on two opposite sides of the valve body respectively, one end of each valve plate is connected with the valve body, and the other end of each valve plate corresponds to one through hole.
5. The air pump according to any one of claims 1 to 4, further comprising an end cap, wherein the end cap covers the one-way valve assembly and is connected to one side of the pump body, the end cap and the pump body enclose to form a containing cavity, the valve body is contained and limited in the containing cavity, and the end cap is provided with a first through hole and a second through hole which are communicated with the containing cavity at intervals.
6. The air pump according to claim 5, wherein a positioning table is provided on a side of the valve body facing the end cap, the via hole is disposed through the positioning table, the positioning table is disposed corresponding to the first through hole and covers the first through hole, so that the via hole is communicated with the first through hole.
7. The air pump of claim 6, wherein a positioning groove is formed on a side of the valve body facing the end cap, the positioning groove is disposed around the positioning table, the check valve assembly further comprises a first sealing ring, the first sealing ring is disposed in the positioning groove, and the first sealing ring is in sealing contact with an outer wall of the first through hole.
8. The air pump of claim 5, wherein the one-way valve assembly further comprises a second sealing ring positioned between the end cap and the valve body, the second sealing ring being in sealing abutment with the valve body and the end cap, respectively.
9. The air pump of claim 5, wherein a limit groove is formed on a peripheral edge of a side of the valve body facing away from the end cap, and the check valve assembly further comprises a third sealing ring, wherein the third sealing ring is disposed in the limit groove and is in sealing abutment with the pump body.
10. An air pressure device comprising a body and the air pump of any one of claims 1 to 9, the body being provided with a closed container, the one-way valve assembly of the air pump being connected to the closed container so that the air storage chamber of the air pump communicates with the closed container.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120102621.6U CN214787903U (en) | 2021-01-14 | 2021-01-14 | Air pump and air pressure equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120102621.6U CN214787903U (en) | 2021-01-14 | 2021-01-14 | Air pump and air pressure equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214787903U true CN214787903U (en) | 2021-11-19 |
Family
ID=78747305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120102621.6U Active CN214787903U (en) | 2021-01-14 | 2021-01-14 | Air pump and air pressure equipment |
Country Status (1)
Country | Link |
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CN (1) | CN214787903U (en) |
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2021
- 2021-01-14 CN CN202120102621.6U patent/CN214787903U/en active Active
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