CN219655338U - Dual-purpose check valve for inflation and exhaust - Google Patents
Dual-purpose check valve for inflation and exhaust Download PDFInfo
- Publication number
- CN219655338U CN219655338U CN202320721107.XU CN202320721107U CN219655338U CN 219655338 U CN219655338 U CN 219655338U CN 202320721107 U CN202320721107 U CN 202320721107U CN 219655338 U CN219655338 U CN 219655338U
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- air port
- inflation
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000009977 dual effect Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an inflatable and exhausting two-purpose one-way valve which is arranged at an air port and comprises a fixed part arranged in an installation cavity at the front end of the air port, a movable part arranged at the fixed part and a valve plate positioned at the front end of the movable part; the movable part has the freedom degree of moving back and forth along the fixed part; the valve plate is matched with the inner wall of the air port to open or close the air port; the rear end of the movable part protrudes out of the fixed rear side, and the rear end of the movable part is also provided with a guide part; a reset spring is also arranged between the fixed part and the movable part. The two-purpose one-way valve for inflation and exhaust can be pushed open by inflated air flow during inflation, so that the opening of an air path is realized; after the inflation is finished, the air channel can be closed by utilizing the air pressure of the inflated product, so that the disconnection of the air channel is realized; the gas channel can be opened by pushing the poked piece when the gas is discharged; the check valve has the advantages of simple structure, reasonable and smooth opening and closing actions, convenient installation and capability of realizing dual purposes of inflation and exhaust.
Description
Technical Field
The utility model relates to the field of air pump components, in particular to an inflatable and deflatable two-purpose one-way valve.
Background
The use of inflatable products is becoming more and more widespread, for example: inflatable beds, inflatable swimming pools, inflatable cushions, and the like. These inflatable products are used by being inflated and also by being deflated for folding and storage. For inflation of inflatable products, a manual air pump is generally adopted for inflation at present, or an electric air pump is utilized for inflation, and the inflation process is generally operated by abutting an air nozzle of the inflatable product through the air pump. For the deflation of the inflatable product, the inflatable product is usually naturally deflated by opening an air tap of the inflatable product.
For large-scale inflatable products, such as inflatable beds, inflatable swimming pools and the like, an external air pump is often used, namely, when the inflatable requirement exists, the inflatable products are inflated by the independent air pump, and the inflatable products and the air pump are independent and are very easy to appear when in use, so that the situation of the air pump cannot be found.
At present, the air pump and the inflatable product are assembled, and because the air pump is directly arranged on the inflatable product, an air port of the inflatable product needs to be opened during inflation and exhaustion, and the air pump is communicated with an air passage of the inflatable product; and a one-way valve is often used to control the on-off of the airway; however, the common check valve can only prevent the gas of the inflated product from being discharged after the inflation is finished, but can also be used as a barrier when the air is exhausted.
Therefore, how to design a dual-purpose check valve for inflating and exhausting becomes a problem to be solved in the prior art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the two-purpose one-way valve for inflation and exhaust, which can be pushed open by inflated air flow during inflation to realize the opening of an air path; after the inflation is finished, the air channel can be closed by utilizing the air pressure of the inflated product, so that the disconnection of the air channel is realized; the gas channel can be opened by pushing the poked piece when the gas is discharged; the check valve has the advantages of simple structure, reasonable and smooth opening and closing actions, convenient installation and capability of realizing dual purposes of inflation and exhaust.
The technical scheme adopted for solving the technical problems is as follows: the two-purpose one-way valve for inflation and exhaust is arranged at the gas port and comprises a fixed part arranged in an installation cavity at the front end of the gas port, a movable part arranged at the fixed part and a valve plate positioned at the front end of the movable part; the movable part has the freedom degree of moving back and forth along the fixed part; the valve plate is used for being controlled by air pressure at two sides of the air port to move back and forth so as to be matched with the inner wall of the air port to open or close the air port; the rear end of the movable part protrudes out of the fixed rear side, and the rear end of the movable part is also provided with a guide part for receiving external power and converting the power of the movable part for moving forwards, so that the valve plate is propped against the inner wall of the air port to open the air port; a reset spring is also arranged between the fixed part and the movable part; the return spring is used for returning the movable part to the initial position, enabling the valve plate to be in contact with the air port and closing the air port.
Further, the fixing part comprises a fixing disc; the periphery of the fixed disc is used for being fixedly installed with the inner wall of the installation cavity; the movable part comprises a movable disc positioned in front of the fixed disc, and the fixed disc is provided with a gas channel; a space for passing gas is reserved between the fixed disc and the movable disc.
Further, a cushion block part is arranged at the rear end of the fixed disc and used for forming a space for the gas to pass through between the fixed disc and the movable disc.
Furthermore, a chute is also formed on the fixed disc; the rear end of the movable disc is provided with a sliding block part; the sliding block part backwards passes through the sliding groove, and the rear end of the sliding block part is exposed out of the rear end of the fixed disc; the guide portion is disposed at the rear end of the slider portion.
Further, the sliding block part is provided with a first spring groove; the fixed disc is provided with a second spring groove at a position corresponding to the first spring groove; the rear end of the return spring is propped against the rear end of the first spring groove, and the front end of the return spring is propped against the front end of the second spring groove.
Further, the second spring groove is a step hole; the front end of the return spring is propped against the step surface of the step hole.
Further, the rear end of the first spring groove is also provided with a convex column, and the rear end of the return spring is sleeved on the convex column.
Further, a fool-proof port is also arranged on the outer peripheral side of the fixed disc; a positioning part is arranged on the inner wall of the mounting cavity; the fool-proof opening is matched with the positioning part and used for enabling the fixed disc to be installed in the installation cavity in an oriented mode.
Further, a toggle piece is arranged at the position of the air port behind the mounting cavity; the stirring piece is provided with freedom degrees of up-and-down movement, and is matched with the guiding part of the movable part and used for providing forward movement power for the movable part.
Further, the guide part is a first inclined surface from front to back and from top to bottom; the front lower side of the poking piece is provided with a second inclined plane from front to back and from top to bottom; the first inclined plane is matched with the second inclined plane and is used for converting downward power of the poking piece into power for the movable part to move forwards.
The utility model has the beneficial effects that: the two-purpose one-way valve for inflation and exhaust can be pushed open by inflated air flow during inflation, so that the opening of an air path is realized; after the inflation is finished, the air channel can be closed by utilizing the air pressure of the inflated product, so that the disconnection of the air channel is realized; the gas channel can be opened by pushing the poked piece when the gas is discharged; the check valve has the advantages of simple structure, reasonable and smooth opening and closing actions, convenient installation and capability of realizing dual purposes of inflation and exhaust.
Drawings
FIG. 1 is a schematic perspective view of a dual purpose check valve for inflation and deflation in accordance with an embodiment;
FIG. 2 is a schematic perspective view of a fixing portion of a check valve for both inflation and deflation according to an embodiment;
FIG. 3 is a schematic perspective view showing a cross section of a fixing portion of a check valve for both inflation and deflation in accordance with the embodiment;
FIG. 4 is a schematic perspective view of a movable part of a check valve for both inflation and deflation in accordance with an embodiment;
FIG. 5 is a schematic perspective view of a cross-section of a dual purpose check valve for inflation and deflation in accordance with an embodiment;
FIG. 6 is a perspective view of an installed port of a dual purpose check valve for inflation and deflation in accordance with an embodiment;
FIG. 7 is a schematic cross-sectional view of a two-way valve for both inflation and deflation mounted to a port according to an embodiment;
FIG. 8 is a schematic cross-sectional view of an embodiment of a two-way valve for both inflation and deflation in which the valve is mounted to a port;
FIG. 9 is a schematic cross-sectional view showing a state of exhaust gas mounted on a gas port of a check valve for both inflation and deflation according to the embodiment;
the device comprises a 1-fixed part, a 2-movable part, a 3-reset spring, a 4-valve plate, a 5-air port, a 6-toggle piece, an 11-fixed disc, a 12-cushion block part, a 13-air channel, a 14-sliding groove, a 15-second spring groove, a 16-foolproof port, a 151-step surface, a 21-movable disc, a 22-sliding block part, a 23-first spring groove, a 24-convex column, a 25-guide part, a 51-installation cavity, a 52-positioning part and a 61-second inclined plane.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Examples
Referring to fig. 1 to 9, the present embodiment provides a dual-purpose check valve for inflation and deflation, which is installed at an air port 5 and includes a fixed portion 1 installed in an installation cavity 51 at the front end of the air port 5, a movable portion 2 installed at the fixed portion 1, and a valve plate 4 located at the front end of the movable portion 2; the movable part 2 has a degree of freedom to move back and forth along the fixed part 1; the valve plate 4 is used for being controlled by air pressure at two sides of the air port 5 to move back and forth, and then is matched with the inner wall of the air port 5 to open or close the air port 5; the rear end of the movable part 2 protrudes out of the rear side of the fixed part 1, and the rear end of the movable part 2 is also provided with a guide part 25 for receiving external power and converting the external power into power for the movable part 2 to move forwards, so that the valve plate 4 is propped against the inner wall of the air port 5, and the air port 5 is opened; a return spring 3 is also arranged between the fixed part 1 and the movable part 2; the return spring 3 is used for returning the movable part 2 to the initial position, enabling the valve plate 4 to be in contact with the air port 5 and closing the air port 5.
Referring again to fig. 2 to 5, the fixing portion 1 includes a fixing plate 11; the periphery of the fixed disc 11 is used for being fixedly installed with the inner wall of the installation cavity 51; the movable part 2 comprises a movable disc 21 positioned in front of a fixed disc 11, and a gas channel 13 is arranged on the fixed disc 11; a space through which gas passes is left between the fixed plate 11 and the movable plate 21.
Referring to fig. 2 to 5, the fixed plate 11 is further provided with a chute 14; the rear end of the movable disk 21 is provided with a slider part 22; the sliding block part 22 passes through the sliding groove 14 backwards, and the rear end of the sliding block part 22 is exposed out of the rear end of the fixed disk 11; the guide portion 25 is provided at the rear end of the slider portion 22.
Referring again to fig. 2 to 5, the slider portion 22 is provided with a first spring groove 23; the fixed disk 11 is provided with a second spring groove 15 at a position corresponding to the first spring groove 23; the rear end of the return spring 3 abuts against the rear end of the first spring groove 23, and the front end of the return spring 3 abuts against the front end of the second spring groove 15.
Referring again to fig. 3 and 5, the second spring groove 15 is a stepped hole; the front end of the return spring 3 abuts against the stepped surface 151 of the stepped hole.
Referring again to fig. 4 and 5, the rear end of the first spring groove 23 is further provided with a boss 24, and the rear end of the return spring 3 is sleeved on the boss 24.
Referring to fig. 1 and 2 again, a pad part 12 is provided at the rear end of the fixed plate 11 to form a space between the fixed plate 11 and the movable plate 21 through which the gas passes.
Referring to fig. 2 and 6 again, the outer peripheral side of the fixed disk 11 is further provided with a fool-proof opening 16; a positioning part 52 is arranged on the inner wall of the mounting cavity 51; the fool-proof opening 16 is matched with the positioning part 52 for enabling the fixed disc 11 to be installed in the installation cavity 51 in an oriented mode.
Referring again to fig. 1, 6 and 7, the position of the air port 5 behind the installation cavity 51 is also provided with a toggle member 6; the poking piece 6 has the freedom of moving up and down, and the poking piece 6 is matched with the guiding part 25 of the movable part 2 and is used for providing power for the movable part 2 to move forward.
Referring again to fig. 1, 6 and 7, the guide portion 25 is a first inclined surface from front to back from top to bottom; the front lower side of the poking piece 6 is provided with a second inclined surface 61 from front to back and from top to bottom; the first inclined surface is matched with the second inclined surface 61 and is used for converting downward power of the poking piece 6 into forward moving power of the movable part 2.
In the air-inflation and air-exhaust two-purpose check valve of the embodiment, when the check valve is assembled, the sliding block part 22 of the movable part 2 passes through the sliding groove 14 of the fixed disc 11 from front to back until the rear end of the movable disc 21 of the movable part 2 abuts against the front end surface of the cushion block part of the fixed disc 11, and at the moment, the rear end of the sliding block part 22 of the movable part extends out of the fixed disc 11; the first spring groove 23 of the slider portion 22 is also exposed to the fixed disk 11; loading the return spring into the second spring groove 15 of the fixed disc 11 from the side opening of the first spring groove 23 from the rear side of the fixed disc 11, and then compressing the return spring 3 to enable the return spring 3 to be sleeved on the convex column; and the assembly of the one-way valve is completed. When in use, the check valve is arranged in the installation cavity 51 of the air port 5, the fool-proof port 16 of the check valve is aligned with the positioning part of the inner wall of the installation cavity 51, and the check valve is clamped into the installation cavity 51; at this time, the first inclined surface of the guide portion 25 of the check valve corresponds to the second inclined surface of the toggle member 6; the installation of the one-way valve on the air port is completed.
The two-purpose check valve for inflation and exhaust of the embodiment has the following cases when in use:
and (3) inflation: the air is conveyed from the rear end to the front end of the air port, the air flow acts on the rear side of the valve plate and overcomes the elasticity of the reset spring 3 (the reset spring between the movable part and the fixed part is further compressed), so that the valve plate and the movable part are pushed to move forwards, the valve plate is separated from the inner wall of the air port, and a channel for conveying the air forwards by the air port is opened, so that the air charging function is realized;
maintenance after inflation: after the air is filled, the rear end of the air port stops conveying air, at the moment, the air pressure of the front side of the valve plate is larger than the air pressure of the rear side, and under the combined action of the pressure difference and the reset spring 3, the valve plate is pushed to move backwards, so that the valve plate is pressed on the inner wall of the air port, the air port is closed, and the function of maintaining after the air is filled is realized;
and (3) exhausting: the exhaust process is to convey air from the front end side of the air port to the rear end; at this time, if the air port is not opened, air cannot flow; when the movable part is arranged, downward moving force is required to be applied to the stirring piece, and the stirring piece acts on the movable part to convert the downward moving force into forward moving force of the movable part; the movable part is forced to move forwards, so that the valve plate is pushed to move forwards, the valve plate is separated from the inner wall of the air port, air enters the air port from the front side of the air port and is discharged from the rear side of the air port, and the air discharging function is realized;
reset of exhaust end: when the exhaust is finished, no downward moving force is applied to the stirring piece, the stirring piece is reset upwards (a reset spring at the bottom side of the stirring piece is utilized, not shown in the drawing), the movable part is not limited by the stirring piece any more, and under the elastic force of the reset spring 3, the movable part moves backwards relative to the fixed part, so that the valve plate is pushed to move backwards until the valve plate contacts with the inner wall of the air port, the air port is closed, and the reset is completed.
The two-purpose one-way valve for inflation and exhaust can be pushed open by inflated air flow during inflation, so that the opening of an air path is realized; after the inflation is finished, the air channel can be closed by utilizing the air pressure of the inflated product, so that the disconnection of the air channel is realized; the gas channel can be opened by pushing the poked piece when the gas is discharged; the check valve has the advantages of simple structure, reasonable and smooth opening and closing actions, convenient installation and capability of realizing dual purposes of inflation and exhaust.
The above embodiments should not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent conversion fall within the protection scope of the present utility model.
Claims (10)
1. The utility model provides a dual-purpose check valve of inflation exhaust which characterized in that: the one-way valve is arranged at the air port (5) and comprises a fixed part (1) arranged in an installation cavity (51) at the front end of the air port (5), a movable part (2) arranged at the fixed part (1) and a valve plate (4) positioned at the front end of the movable part (2); the movable part (2) has a degree of freedom to move back and forth along the fixed part (1); the valve plate (4) is used for being controlled by air pressure at two sides of the air port (5) to move forwards and backwards, and then is matched with the inner wall of the air port (5) to open or close the air port (5); the rear end of the movable part (2) protrudes out of the rear side of the fixed part (1), the rear end of the movable part (2) is also provided with a guide part (25) for receiving external power and converting the external power into power for the movable part (2) to move forwards, so that the valve plate (4) is propped against the inner wall of the air port (5) to open the air port (5); a return spring (3) is arranged between the fixed part (1) and the movable part (2); the return spring (3) is used for returning the movable part (2) to the initial position, so that the valve plate (4) is in contact with the air port (5), and the air port (5) is closed.
2. The dual purpose check valve for inflating and deflating according to claim 1, wherein: the fixing part (1) comprises a fixing disc (11); the periphery of the fixed disc (11) is used for being fixedly installed with the inner wall of the installation cavity (51); the movable part (2) comprises a movable disc (21) positioned in front of the fixed disc (11), and the fixed disc (11) is provided with a gas channel (13); a space for passing air is reserved between the fixed disc (11) and the movable disc (21).
3. The dual purpose check valve for inflating and deflating according to claim 2, wherein: the rear end of the fixed disc (11) is provided with a cushion block part (12) for forming a space for the gas to pass through between the fixed disc (11) and the movable disc (21).
4. A dual purpose check valve for inflation and deflation as defined in claim 2 or 3, wherein: a chute (14) is also formed in the fixed disc (11); the rear end of the movable disc (21) is provided with a sliding block part (22); the sliding block part (22) backwards passes through the sliding groove (14), and the rear end of the sliding block part (22) is exposed out of the rear end of the fixed disc (11); the guide portion (25) is provided at the rear end of the slider portion (22).
5. The dual purpose check valve for air inflation and exhaust as set forth in claim 4, wherein: the slider part (22) is provided with a first spring groove (23); the fixed disc (11) is provided with a second spring groove (15) at a position corresponding to the first spring groove (23); the rear end of the return spring (3) is propped against the rear end of the first spring groove (23), and the front end of the return spring (3) is propped against the front end of the second spring groove (15).
6. The dual purpose check valve for both air and gas charging and discharging according to claim 5, wherein: the second spring groove (15) is a step hole; the front end of the return spring (3) is abutted against the step surface (151) of the step hole.
7. A dual purpose check valve for inflation and deflation as defined in claim 5 or 6, wherein: the rear end of the first spring groove (23) is also provided with a convex column (24), and the rear end of the return spring (3) is sleeved on the convex column (24).
8. A dual purpose check valve for inflation and deflation as defined in claim 2 or 3, wherein: the periphery side of the fixed disc (11) is also provided with a fool-proof opening (16); a positioning part (52) is arranged on the inner wall of the mounting cavity (51); the fool-proof opening (16) is matched with the positioning part (52) and is used for enabling the fixed disc (11) to be installed in the installation cavity (51) in an oriented mode.
9. The dual purpose check valve for inflating and deflating according to claim 1, wherein: the position of the air port (5) behind the mounting cavity (51) is also provided with a toggle piece (6); the stirring piece (6) has the freedom degree of up-and-down movement, and the stirring piece (6) is matched with the guide part (25) of the movable part (2) and is used for providing forward movement power for the movable part (2).
10. The dual purpose check valve for both air and gas charging and discharging according to claim 9, wherein: the guide part (25) is a first inclined plane from front to back and from top to bottom; the front lower side of the poking piece (6) is provided with a second inclined surface (61) from front to back from top to bottom; the first inclined surface is matched with the second inclined surface (61) and is used for converting downward power of the poking piece (6) into power for the movable part (2) to move forwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320721107.XU CN219655338U (en) | 2023-04-04 | 2023-04-04 | Dual-purpose check valve for inflation and exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320721107.XU CN219655338U (en) | 2023-04-04 | 2023-04-04 | Dual-purpose check valve for inflation and exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655338U true CN219655338U (en) | 2023-09-08 |
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ID=87857690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320721107.XU Active CN219655338U (en) | 2023-04-04 | 2023-04-04 | Dual-purpose check valve for inflation and exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655338U (en) |
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2023
- 2023-04-04 CN CN202320721107.XU patent/CN219655338U/en active Active
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