CN220134138U - Multiple sealing valve structure of air pump valve - Google Patents
Multiple sealing valve structure of air pump valve Download PDFInfo
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- CN220134138U CN220134138U CN202320842076.3U CN202320842076U CN220134138U CN 220134138 U CN220134138 U CN 220134138U CN 202320842076 U CN202320842076 U CN 202320842076U CN 220134138 U CN220134138 U CN 220134138U
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- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model provides a multiple seal valve structure of air pump valve, including air pump main part and valve, the circular opening of valve installation has been seted up to air pump main part side, the valve includes slip valve body and valve block, slip valve body is inner end open-ended drum structure, the valve block setting is on the slip valve body outer terminal surface, the fretwork portion has been seted up at the drum structure outer end of slip valve body, first sealing washer and second sealing washer have been inlayed respectively to the front and back both sides on the slip valve outer peripheral face, corresponding to fretwork portion, when the valve was closed, first sealing washer offsets sealedly with the circular open-ended inner wall of air pump main part, when the valve was opened, the second sealing washer offsets sealedly with the circular open-ended inner wall of air pump main part. The utility model has simple and reasonable structure, greatly increases sealing performance through the double sealing structure, reduces air loss, ensures high air charging and exhausting speed, improves working efficiency, reduces cost, and is particularly suitable for charging and exhausting the mattress by the inflator pump.
Description
Technical Field
The utility model relates to an air pump, in particular to a multiple sealing valve structure of an air pump valve.
Background
At present, occasions requiring air suction and inflation, such as inflation and deflation of an air cushion bed, inflation and deflation of a surfing board and the like, are frequently encountered in life, the air pump is a device for exhausting air from a closed space or adding air from the closed space, and the valve is an important part in the air pump structure, so that the air pump has the effect of controlling air suction and air inflation. The sealing performance of the valve is very critical, if the sealing performance of the valve is poor, the air loss is large, the inflation and air extraction speeds are low, and the working efficiency of the air pump is greatly reduced.
Through examination, the traditional Chinese patent No. CN202022763585.6, namely the inflator valve for the air mattress, can carry out wave massage on patients, has no improvement on the sealing performance,
disclosure of Invention
The utility model aims to solve the technical problem of providing a multiple sealing valve structure of an air pump valve, which is simple and reasonable in structure and good in sealing effect.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multiple seal valve structure of air pump valve, includes the air pump main part and installs the valve on the air pump main part, its characterized in that: the valve comprises a sliding valve body and a valve plate, wherein the sliding valve body is of a cylindrical structure with an inner end opening corresponding to the circular opening, the valve plate is arranged on the outer end face of the sliding valve body, a hollowed-out part is arranged on one side, close to the valve plate, of the cylindrical structure of the sliding valve body, a first sealing ring and a second sealing ring are respectively embedded into the outer peripheral face of the sliding valve body, and correspond to the front side and the rear side of the hollowed-out part.
As an improvement, the valve block is circular rubber valve block, the external diameter of valve block is greater than the diameter of slip valve body, and the slip valve body outer terminal surface is circular plane to set up the centre bore, the inboard central point of valve block puts protruding connecting rod that is equipped with that corresponds, and the valve block passes through the connecting rod to be put and fix a position in the slip valve body, and the circular open-ended outside of air pump main part is equipped with the bulge loop of expanding, is equipped with the step that offsets with the valve block in the bulge loop.
Further, the connecting rod is provided with a conical buckle in a forming mode, the central hole of the sliding valve body is a conical hole with an inward shrinkage diameter, the connecting rod is convenient to insert, the diameter of the connecting rod is consistent with the inner end of the conical hole, and the connecting rod is inserted into the sliding valve body along the central hole through extrusion and is propped against the inner wall of the sliding valve body through the buckle.
Still further, the drum structure of slip valve body divide into outside, well, interior three section, wherein is equipped with fretwork portion on the outer section, and the middle section is the external screw thread section, is equipped with the draw-in groove that supplies spacing retaining ring cover to set up the location on the interior section.
Finally, the external thread section is connected with a driving motor in the air pump main body through a transmission mechanism to drive the sliding valve body to move left and right, so that the valve is opened or closed, and the limit stop sleeve is sleeved at the rear end of the sliding valve body to limit the stroke of the sliding valve body.
Compared with the prior art, the utility model has the advantages that: the valve comprises a sliding valve body and a valve plate, wherein a front sealing ring and a rear sealing ring are embedded on the sliding valve body, when the valve body is closed, except for sealing of the valve plate, the first sealing ring abuts against the inner wall of the circular opening of the air pump body to realize double sealing, and when the valve body is opened, the second sealing ring abuts against the inner wall of the circular opening of the air pump body to seal, so that air can circulate through the air passage only, and air loss is reduced. The utility model has simple and reasonable structure, greatly increases sealing performance through the double sealing structure, reduces air loss, ensures high air charging and exhausting speed, improves working efficiency, reduces cost, and is particularly suitable for charging and exhausting the mattress by the inflator pump.
Drawings
FIG. 1 is an exploded view of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model in a closed valve state;
FIG. 3 is a schematic view of the structure of the valve in the valve-opened inflated state according to the embodiment of the present utility model;
fig. 4 is a schematic structural diagram of the embodiment of the present utility model in the state of opening the valve for pumping.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, a multiple sealing valve structure of an air pump valve comprises an air pump main body 1 and a valve installed on the air pump main body 1, wherein a circular opening 11 for installing the valve is formed in the side surface of the air pump main body 1, the valve comprises a sliding valve body 2 and a valve plate 3, the sliding valve body 2 is of a cylindrical structure with an inner end opening corresponding to the circular opening 11, the outer end surface of the sliding valve body 2 is a circular plane, the valve plate 3 is arranged on the outer end surface of the sliding valve body 2, a hollowed-out part 21 is formed in one side, close to the valve plate, of the cylindrical structure of the sliding valve body 2, a first sealing ring 4 and a second sealing ring 5 are respectively embedded in the front side and the rear side, corresponding to the hollowed-out part 21, of the first sealing ring 4 is in butt sealing with the inner wall of the circular opening 11 of the air pump main body 1 when the valve is closed, and the second sealing ring 5 is in butt sealing with the inner wall of the circular opening 11 of the air pump main body 1 when the valve is opened.
The concrete structure is as follows: the valve block 3 is circular rubber valve block, has certain elasticity, and the external diameter of valve block 3 is slightly greater than the diameter of slip valve body 2, and centre bore 20 has been seted up to the outer terminal surface of slip valve body 2, and the inboard central point of valve block 3 puts protruding connecting rod 31 that is equipped with, and valve block 3 passes through connecting rod 31 to be put in the slip valve body 2 and fix a position, and the outside of the circular opening 11 of air pump main part 1 is equipped with the bulge loop 12 of expanding, is equipped with the step 13 with valve block 3 offset in the bulge loop 12. The connecting rod 31 is provided with a conical buckle 32, the central hole 20 of the sliding valve body 2 is a conical hole which is convenient for the connecting rod 31 to insert and is internally reduced, the diameter of the connecting rod 31 is consistent with the inner end of the conical hole, and the connecting rod 31 is inserted into the sliding valve body 2 along the central hole 20 through extrusion and is propped against the inner wall of the sliding valve body 1 through the buckle 32. The cylinder structure of the sliding valve body 2 is divided into an outer section, a middle section and an inner section, wherein the outer section is provided with hollowed-out parts 21 distributed along the circumferential direction, the middle section is an outer thread section 22, and the inner section is provided with a clamping groove 23 for locating the limiting retainer sleeve. The external thread section 22 is connected with a driving motor in the air pump main body 1 through a transmission mechanism such as a gear set to drive the sliding valve body 2 to move left and right, so that the opening or closing of a valve is realized, and a limit stop ring is sleeved at the rear end of the sliding valve body 2 to limit the stroke of the sliding valve body 2.
The specific operation process is as follows:
when the valve is closed, as shown in fig. 2, when the pressure A in the gas container is higher than the pressure B outside the gas container, the valve plate 3 is subjected to outward air pressure, so that the valve plate 3 is tightly attached to form a seal; when the pressure of A in the gas container is reduced and the pressure difference between the inside and the outside is reduced, the valve plate 3 is subjected to the reduction of the air pressure outwards, the sealing effect is reduced, and the sealing is realized through the first sealing ring 4, so that the double sealing effect is realized.
When the valve is opened, as shown in fig. 3 and 4, the second sealing ring 5 is abutted against the circular opening 11 to seal, so that air inside and outside the gas container is blocked, the air can flow through the air passage, the flowing direction of the air is shown by an arrow, the air loss is reduced, and the efficiency is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a multiple seal valve structure of air pump valve, includes the air pump main part and installs the valve on the air pump main part, its characterized in that: the valve comprises a sliding valve body and a valve plate, wherein the sliding valve body is of a cylindrical structure with an inner end opening corresponding to the circular opening, the valve plate is arranged on the outer end face of the sliding valve body, a hollowed-out part is arranged on one side, close to the valve plate, of the cylindrical structure of the sliding valve body, a first sealing ring and a second sealing ring are respectively embedded into the outer peripheral face of the sliding valve body, and correspond to the front side and the rear side of the hollowed-out part.
2. The multiple seal valve structure according to claim 1, wherein: the valve block is circular rubber valve block, and the external diameter of valve block is greater than the diameter of slip valve body, and the outer terminal surface of slip valve body is circular plane to set up the centre bore, the inboard central point of valve block puts protruding the being equipped with corresponding connecting rod, and the valve block passes through the connecting rod to be put and fixes a position in the slip valve body, and the circular open-ended outside of air pump main part is equipped with the bulge loop of expanding, is equipped with the step that offsets with the valve block in the bulge loop.
3. The multiple seal valve structure according to claim 2, wherein: the connecting rod is provided with a conical buckle, the central hole of the sliding valve body is a conical hole which is convenient for the connecting rod to be inserted and is contracted inwards, the diameter of the connecting rod is consistent with the inner end of the conical hole, and the connecting rod is inserted into the sliding valve body along the central hole through extrusion and is propped against the inner wall of the sliding valve body through the buckle.
4. A multiple seal valve structure according to claim 3, wherein: the cylinder structure of the sliding valve body is divided into an outer section, a middle section and an inner section, wherein the outer section is provided with a hollowed-out part, the middle section is an external thread section, and the inner section is provided with a clamping groove for positioning the limiting retainer sleeve.
5. The multiple seal valve structure according to claim 4, wherein: the external thread section is connected with a driving motor in the air pump main body through a transmission mechanism to drive the sliding valve body to move left and right, so that the valve is opened or closed, and the rear end of the sliding valve body is sleeved with the limiting stop ring to limit the stroke of the sliding valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842076.3U CN220134138U (en) | 2023-04-10 | 2023-04-10 | Multiple sealing valve structure of air pump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842076.3U CN220134138U (en) | 2023-04-10 | 2023-04-10 | Multiple sealing valve structure of air pump valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134138U true CN220134138U (en) | 2023-12-05 |
Family
ID=88956597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320842076.3U Active CN220134138U (en) | 2023-04-10 | 2023-04-10 | Multiple sealing valve structure of air pump valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134138U (en) |
-
2023
- 2023-04-10 CN CN202320842076.3U patent/CN220134138U/en active Active
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