CN210050003U - Manual air pump for vacuum compression bag - Google Patents
Manual air pump for vacuum compression bag Download PDFInfo
- Publication number
- CN210050003U CN210050003U CN201920759230.4U CN201920759230U CN210050003U CN 210050003 U CN210050003 U CN 210050003U CN 201920759230 U CN201920759230 U CN 201920759230U CN 210050003 U CN210050003 U CN 210050003U
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- CN
- China
- Prior art keywords
- piston rod
- vacuum compression
- top plate
- end cover
- conical surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000006835 compression Effects 0.000 title claims abstract description 26
- 238000007906 compression Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 5
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 229920000742 Cotton Polymers 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a manual air pump for a vacuum compression bag, which comprises a cylinder body and a slidable piston rod; the bottom end of the piston rod is in threaded connection with a bottom plate, the piston rod is also in threaded connection with a top plate, an annular bulge is arranged on the top plate, the bottom plate, the top plate and the annular bulge enclose a limiting groove, a sealing ring is arranged in the limiting groove, a first conical surface is arranged on the outer side surface of the annular bulge, and a second conical surface matched with the first conical surface is arranged on the inner side surface of the sealing ring; the upper end of the cylinder body is in threaded connection with an upper end cover, a downward extension protrusion is arranged on the upper end cover, T-shaped protrusions are symmetrically arranged on the downward extension protrusion, T-shaped grooves matched with the T-shaped protrusions are axially formed in the piston rod, a plurality of trapezoidal grooves are formed between the two T-shaped grooves at equal intervals in an annular mode, and the trapezoidal grooves are communicated with the inner cavity of the cylinder body. The utility model provides a pair of a manual aspiration pump for vacuum compression bag has overcome the defect that current manual aspiration pump is sealed the effect poor, the efficiency of bleeding is low.
Description
Technical Field
The utility model relates to an aspiration pump field especially relates to a manual aspiration pump for vacuum compression bag.
Background
The vacuum compression bag is a bag mainly used for containing quilts and various clothes. The working principle of the air-suction type cotton quilt is that air in the cotton quilt or clothes is sucked away, so that the volume is reduced, articles such as the cotton quilt which is originally expanded are flattened by utilizing atmospheric pressure, and the outside air is isolated to save space. The vacuum compression bag has the functions of moisture prevention, mildew prevention, moth prevention, peculiar smell prevention and the like, and air in the compression bag and the cotton quilt of clothes is pumped by using the air pumping tool, so that the effects of reducing the volume and increasing the storage space are achieved!
The manual air pump is matched with an integrated air valve on the bag to pump air out of the bag. The existing manual air pump generally comprises a cylinder body and a piston rod, wherein the piston rod can slide up and down in the cylinder body, and a sealing ring is generally arranged on the piston to seal with the cylinder body; because the piston rod needs to be pulled continuously during air extraction, the sealing ring is easy to wear or deform, thereby reducing the sealing effect and the air extraction efficiency; and the cylinder body is not provided with a guide structure, the piston rod cannot vertically slide up and down, the sealing ring is unevenly stressed and is easy to deform and leak, the piston rod is pulled more difficultly, and air exhaust is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that a manual aspiration pump for vacuum compression bag is provided to overcome the defect that current manual aspiration pump is sealed effect poor, the air-bleed inefficiency.
(II) technical scheme
In order to solve the technical problem, the utility model provides a manual air pump for a vacuum compression bag, which comprises a cylinder body and a slidable piston rod; the bottom end of the piston rod is in threaded connection with a bottom plate, the piston rod is in threaded connection with a top plate on the upper side of the bottom plate, an annular bulge extending towards the lower side is arranged on the top plate in the vertical direction, the bottom plate, the top plate and the annular bulge enclose a limiting groove, a sealing ring is installed in the limiting groove, a first conical surface is arranged on the outer side surface of the annular bulge, and a second conical surface matched with the first conical surface is arranged on the inner side surface of the sealing ring; barrel upper end threaded connection has the upper end cover, the upper end cover is provided with the downwardly extending arch that extends to the downside along vertical direction, the symmetry is provided with T shape arch on the downwardly extending arch, the piston rod along the axial be provided with the protruding matched with T-arrangement groove of T shape, two annular equidistant a plurality of dovetail grooves that are provided with between the T-arrangement groove, the dovetail groove with the barrel inner chamber link up.
By adopting the device, the piston rod is in threaded connection with the top plate, the top plate is provided with the first conical surface, the sealing ring is provided with the second conical surface matched with the first conical surface, the top plate is locked downwards, the top plate and the bottom plate can extrude the sealing ring to enable the sealing ring to deform radially, and the annular bulge can enable the sealing ring to deform outwards, so that the sealing ring is tightly attached to the inner wall of the cylinder body, the limit of the sealing ring can be guaranteed, good sealing performance can be guaranteed, and the sealing effect is better; the upper end cover is provided with the T-shaped bulge, the piston rod is provided with the T-shaped groove matched with the T-shaped bulge, the piston rod can be guided, the labor is saved when the piston rod is pulled, and the air exhaust efficiency is higher; the defects of poor sealing effect and low air exhaust efficiency of the existing manual air exhaust pump are overcome.
Furthermore, a stepped lower end cover is fixed at the lower end of the barrel, a rubber nozzle is mounted on the lower end cover, a limiting column extending towards the upper side is arranged on the lower end cover along the vertical direction, and a clamping head abutted against the limiting column is arranged on the rubber nozzle.
Furthermore, an air inlet is formed in the bottom of the rubber nozzle, a plurality of vent holes are formed in the outer circumferential surface of the top of the rubber nozzle at equal intervals in an annular mode, and the air inlet, the vent holes and the inner cavity of the barrel body are sequentially communicated.
Furthermore, a handle is fixed at the upper end of the piston rod.
Furthermore, a screwing part is arranged on the top plate, and the screwing part is of a nut structure convenient for screwing.
Furthermore, two annular equidistant two dovetail grooves that are provided with between two T shape groove, dovetail groove with the degree of depth in T shape groove is the same.
(III) advantageous effects
The utility model provides a manual air pump for vacuum compression bag, which has simple structure and convenient use; the piston rod is in threaded connection with a top plate, a first conical surface is arranged on the top plate, a second conical surface matched with the first conical surface is arranged on the sealing ring, the top plate is locked downwards, the top plate and the bottom plate can extrude the sealing ring to enable the sealing ring to deform radially, and the annular bulge can enable the sealing ring to deform outwards, so that the sealing ring is attached to the inner wall of the cylinder body, the limit of the sealing ring can be guaranteed, good sealing performance can be guaranteed, and the sealing effect is better; the upper end cover is provided with the T-shaped bulge, the piston rod is provided with the T-shaped groove matched with the T-shaped bulge, the piston rod can be guided, the labor is saved when the piston rod is pulled, and the air exhaust efficiency is higher; the defects of poor sealing effect and low air exhaust efficiency of the existing manual air exhaust pump are overcome.
Drawings
Fig. 1 is a perspective view of a hand-operated suction pump for a vacuum compression bag of the present invention;
FIG. 2 is an exploded view of a hand pump for vacuum compression bags in accordance with the present invention;
FIG. 3 is a perspective view of the vacuum compression bag of the present invention after half-cut of a manual air pump;
FIG. 4 is a perspective view of the top plate of a manual pump for vacuum compression bag according to the present invention after being half-cut;
fig. 5 is a perspective view of the upper end cap of the hand-operated air pump for vacuum compression bag of the present invention;
FIG. 6 is a perspective view of a rubber nozzle of a hand pump for vacuum compression bags in accordance with the present invention;
the corresponding part names for the various reference numbers in the figures are: 1. a barrel; 2. a piston rod; 3. a base plate; 4. a top plate; 5. a limiting groove; 6. a seal ring; 7. an upper end cover; 8. a lower end cover; 9. a rubber nozzle; 10. a handle; 201. a T-shaped slot; 202. a trapezoidal groove; 401. an annular projection; 402. a first conical surface; 403. a screwing part; 601. a second conical surface; 701. a downward extending projection; 702. a T-shaped protrusion; 801. a limiting column; 901. clamping a head; 902. an air inlet; 903. and (4) a vent hole.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a hand-operated air pump for vacuum compression bag, which comprises a cylinder body 1 and a slidable piston rod 2, wherein the piston rod 2 is installed in the cylinder body 1. The bottom end of the piston rod 2 is provided with a threaded part, the threaded part is in threaded connection with a bottom plate 3, the threaded part is also in threaded connection with a top plate 4 on the upper side of the bottom plate 3, the top plate 4 is provided with an annular protrusion 401 extending downwards along the vertical direction, the bottom plate 3, the top plate 4 and the annular protrusion 401 enclose a limiting groove 5, a sealing ring 6 is installed in the limiting groove 5, the outer side surface of the annular protrusion 401 is provided with a first conical surface 402, and the inner side surface of the sealing ring 6 is provided with a second conical surface 601 matched with the first conical surface 402; the upper end of the barrel body 1 is in threaded connection with an upper end cover 7, the upper end cover 7 is provided with downward extension protrusions 701 extending towards the lower side along the vertical direction, through holes facilitating sliding of the piston rod 2 are formed in the downward extension protrusions 701, T-shaped protrusions 702 are symmetrically arranged on the inner wall of the through holes, the piston rod 2 is axially provided with T-shaped grooves 201 matched with the T-shaped protrusions 702, a plurality of trapezoidal grooves 202 are formed in the interval between the two T-shaped grooves 201 in an annular equidistant mode, and the trapezoidal grooves 202 are communicated with the inner cavity of the barrel body.
In the embodiment, the piston rod 2 is in threaded connection with the top plate 4, the top plate 4 is provided with the first conical surface 402, the sealing ring 6 is provided with the second conical surface 601 matched with the first conical surface 402, the top plate 4 is locked downwards, the top plate 4 and the bottom plate 3 can extrude the sealing ring 6 to enable the sealing ring 6 to deform radially, and the annular bulge 401 can enable the sealing ring 6 to deform outwards, so that the sealing ring 6 is tightly attached to the inner wall of the cylinder body 1, the limit of the sealing ring 6 can be guaranteed, good sealing performance can be guaranteed, and the sealing effect is better; the upper end cover 7 is provided with the T-shaped protrusion 702, the piston rod 2 is provided with the T-shaped groove 201 matched with the T-shaped protrusion 702, the piston rod 2 can be guided, the piston rod 2 can be pulled more easily, and the air exhaust efficiency is higher.
Referring to fig. 2, 3 and 6, in order to facilitate the use of the external air valve, a stepped lower end cover 8 is fixed at the lower end of the cylinder 1, a rubber nozzle 9 is installed on the lower end cover 8, a limit column 801 extending upward is arranged on the lower end cover 8 along the vertical direction, and a chuck 901 abutting against the limit column 801 is arranged on the rubber nozzle 9. An air inlet hole 902 is arranged at the bottom of the rubber nozzle 9, two vent holes 903 are annularly arranged on the outer circumferential surface of the top of the rubber nozzle 9 at equal intervals, and the air inlet hole 902, the vent holes 903 and the inner cavity of the cylinder 1 are sequentially communicated. Set up rubber mouth 9, rubber mouth 9 on the manual air pump can form sealed air exhaust passage with the aspirating hole of vacuum compression bag, food box etc. effectively, and it is effectual to bleed, and application range is wider.
Referring to fig. 1 to 3, in order to facilitate pulling the piston rod 2, a handle 10 is fixed at the upper end of the piston rod 2, and arc-shaped protrusions convenient for fingers to hook are symmetrically arranged on the handle 10.
Referring to fig. 2 to 4, the top plate 4 is provided with a screw part 403, and the screw part 403 is a nut structure for facilitating the screw.
Referring to fig. 2, two trapezoidal grooves 202 are formed between the two T-shaped grooves 201 at equal intervals in a circular manner, and the depth of the trapezoidal groove 202 is the same as that of the T-shaped groove 201. In this way, when the piston rod 2 is pulled downwards, the gas in the cylinder 1 can be discharged from the trapezoidal groove 202 quickly, the pulling is more labor-saving, and the air exhaust efficiency is higher.
The manual air pump for the vacuum compression bag provided by the embodiment has the advantages of simple structure and convenience in use; the piston rod is in threaded connection with a top plate, a first conical surface is arranged on the top plate, a second conical surface matched with the first conical surface is arranged on the sealing ring, the top plate is locked downwards, the top plate and the bottom plate can extrude the sealing ring to enable the sealing ring to deform radially, and the annular bulge can enable the sealing ring to deform outwards, so that the sealing ring is attached to the inner wall of the cylinder body, the limit of the sealing ring can be guaranteed, good sealing performance can be guaranteed, and the sealing effect is better; the upper end cover is provided with the T-shaped bulge, the piston rod is provided with the T-shaped groove matched with the T-shaped bulge, the piston rod can be guided, the labor is saved when the piston rod is pulled, and the air exhaust efficiency is higher; the defects of poor sealing effect and low air exhaust efficiency of the existing manual air exhaust pump are overcome.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A hand-operated suction pump for vacuum compression bags, characterized by: comprises a cylinder body (1) and a slidable piston rod (2); the bottom end of the piston rod (2) is in threaded connection with a bottom plate (3), the piston rod (2) is in threaded connection with a top plate (4) on the upper side of the bottom plate (3), the top plate (4) is provided with an annular bulge (401) extending downwards along the vertical direction, the bottom plate (3), the top plate (4) and the annular bulge (401) enclose a limiting groove (5), a sealing ring (6) is installed in the limiting groove (5), the outer side surface of the annular bulge (401) is provided with a first conical surface (402), and the inner side surface of the sealing ring (6) is provided with a second conical surface (601) matched with the first conical surface (402); barrel (1) upper end threaded connection has upper end cover (7), upper end cover (7) are provided with downwardly extending arch (701) that extend to the downside along vertical direction, the symmetry is provided with protruding (702) of T shape on downwardly extending arch (701), piston rod (2) along the axial be provided with protruding (702) matched with T-arrangement groove (201) of T shape, two the annular equidistant a plurality of dovetail grooves (202) that are provided with between T-arrangement groove (201), dovetail groove (202) with barrel (1) inner chamber link up.
2. A hand-operated pump for vacuum compression bags as claimed in claim 1, characterised in that: the lower end of the barrel body (1) is fixedly provided with a stepped lower end cover (8), a rubber nozzle (9) is installed on the lower end cover (8), a limiting column (801) extending towards the upper side is arranged on the lower end cover (8) in the vertical direction, and a clamping head (901) abutting against the limiting column (801) is arranged on the rubber nozzle (9).
3. A hand-operated pump for vacuum compression bags as claimed in claim 2, characterised in that: the rubber mouth (9) bottom is provided with inlet port (902), the annular is provided with a plurality of air vents (903) with the equidistance on the outer periphery at rubber mouth (9) top, inlet port (902) air vent (903) with barrel (1) inner chamber link up in proper order.
4. A hand-operated pump for vacuum compression bags as claimed in claim 3, wherein: a handle (10) is fixed at the upper end of the piston rod (2).
5. A hand-operated pump for vacuum compression bags as claimed in claim 1, characterised in that: the top plate (4) is provided with a screwing part (403), and the screwing part (403) is of a nut structure convenient to screw.
6. A hand-operated pump for vacuum compression bags as claimed in claim 1, characterised in that: two trapezoidal grooves (202) are annularly and equidistantly arranged between the two T-shaped grooves (201), and the depth of each trapezoidal groove (202) is the same as that of the T-shaped groove (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759230.4U CN210050003U (en) | 2019-05-24 | 2019-05-24 | Manual air pump for vacuum compression bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759230.4U CN210050003U (en) | 2019-05-24 | 2019-05-24 | Manual air pump for vacuum compression bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050003U true CN210050003U (en) | 2020-02-11 |
Family
ID=69395903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920759230.4U Expired - Fee Related CN210050003U (en) | 2019-05-24 | 2019-05-24 | Manual air pump for vacuum compression bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050003U (en) |
-
2019
- 2019-05-24 CN CN201920759230.4U patent/CN210050003U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 Huang Jia Bu Zhen Hua Jia Cun, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Huayin Packaging Technology Co.,Ltd. Address before: 315400 Huang Jia Bu Zhen Hua Jia Cun, Yuyao City, Ningbo City, Zhejiang Province Patentee before: YUYAO HUAYIN PACKING MATERIAL Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |