CN108757398A - Improved bitubular hand-pulled inflator shell - Google Patents
Improved bitubular hand-pulled inflator shell Download PDFInfo
- Publication number
- CN108757398A CN108757398A CN201810425600.0A CN201810425600A CN108757398A CN 108757398 A CN108757398 A CN 108757398A CN 201810425600 A CN201810425600 A CN 201810425600A CN 108757398 A CN108757398 A CN 108757398A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- stack shell
- shell
- sealing ring
- perforation
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Abstract
The present invention relates to a kind of improved bitubular hand-pulled inflator shells, including stack shell and set on the upper cover on stack shell top and the pedestal of lower part, be provided on upper lid for linkage tube pass through first on hole and second hole, the stack shell inside points are every in independent three spaces, respectively the first plenum space, the second plenum space and exhaust space, the exhaust space is in communication with the outside, and the left and right sides of pedestal, which is equipped with, steps on foot；It is characterized in that：The stack shell is the integral piece made of low density plastics' single injection-molded with pedestal, and sealing ring is equipped between the upper cover and the top of stack shell, has multiple set screws to sequentially pass through upper cover and upper cover and stack shell links together with after stack shell.Have the advantages that light-weight, easy to assembly and is not easy gas leakage.
Description
Technical field
The present invention relates to a kind of manual inflatabling tool more particularly to a kind of improved bitubular hand-pulled inflator shells.
Background technology
The applicant's application has with the China of Patent No. ZL201510476721.4 (notification number CN105156295B)
Patent of invention《Three-phase hand-pulled inflator》Disclose a kind of bitubular hand-pulled inflator, including stack shell and set on stack shell top upper cover and under
The pedestal in portion, for stack shell inside points every in independent three spaces, respectively the first plenum space, the second plenum space and exhaust are empty
Between, the exhaust space is in communication with the outside；Bidirectional inflating can be realized by being respectively equipped in first plenum space and the second plenum space
First piston handle linkage structure and second piston handle linkage structure, the first piston in first piston handle linkage structure
First plenum space is separated into the first upper chamber and the first lower chamber, the second piston in second piston handle linkage structure will
Second plenum space is separated into the second upper chamber and the second lower chamber, the first handle in first piston handle linkage structure and
The second handle in two piston handle linkage structures links together；The air guide room being located above exhaust space is equipped in upper cover,
The side of air guide room is connected to the first upper chamber and the second upper chamber respectively, and the bottom of air guide room is empty with exhaust by upper gas-guide tube
Between be connected to；The second lower opening for being provided with the first lower opening being connected to exhaust space on pedestal and being connected to the second lower chamber, pedestal
Lower section is fixed with connector, and the lower exhaust passage for being connected to first lower opening and the second lower opening is formed between connector and pedestal；
It is inserted with the downtake of connection lower exhaust passage and exhaust space in first lower opening, the lower end of upper gas-guide tube and downtake
Switch valve structure connection whether between upper end by that can determine that gas-guide tube or downtake are connected with exhaust space, switching valve
The operation part of structure exposes outside the lateral wall of exhaust space.
Aforementioned bitubular hand-pulled inflator be a kind of not only throughput than currently on the market will be much higher and also can also reach
The pressure that needs and hand-pulled inflator easy to use, and can inflate at three kinds and switch between pattern.
Aforementioned patent is although with the obvious advantage, but there is also following defects：
1, weight is critically important for a air pump, since it is desired that sandy beach can conveniently be taken to up.Aforementioned patent is cylinder
Body and pedestal are made of afterwards together different adhering components.Because stack shell and pedestal are the products squeezed out, so needing specific material
Material, and want to be bonded with glue, the very high material PVC (1.45g/cm3) of the density of necessary material to be used makes thus
At the result of this building form is exactly to cause the weight of single product very heavy.
2, in certain demands, client may require that pressure more higher than current air pump, but cannot increase the power used.
Another problem of aforementioned patent is product can lose efficiency during pull-up due to gas leakage.In fact, in product upper cover
Air-tightness in being combined with stack shell, can only closely be realized, but the tolerance of product does not allow by stack shell/upper cover in assembling
Such a stability firmly can cause gas leakage excessive when high pressure and lose efficiency pressure.
In conclusion aforementioned bitubular hand-pulled inflator can be further improved.
Invention content
A kind of light-weight, assembling side is provided the technical problem to be solved by the present invention is to present situation for the above-mentioned prior art
Just and it is not easy the improved bitubular hand-pulled inflator shell of gas leakage.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of improved bitubular hand-pulled inflator shell,
Be provided with including stack shell and on the upper cover on stack shell top and the pedestal of lower part, upper lid for linkage tube pass through first on hole and
Hole on second, the stack shell inside points are every in independent three spaces, respectively the first plenum space, the second plenum space and row
Headroom, the exhaust space are in communication with the outside, and the left and right sides of pedestal, which is equipped with, steps on foot；It is characterized in that：The stack shell with
Pedestal is the integral piece made of low density plastics' single injection-molded, and sealing is equipped between the upper cover and the top of stack shell
Circle, has multiple set screws to sequentially pass through upper cover and upper cover and stack shell links together with after stack shell.
To simplify stack shell mold, go out stack shell and pedestal conducive to one-pass molding, the basal surface position of above-mentioned stack shell is equipped with and first
Corresponding first perforation of plenum space and corresponding with the second plenum space second is perforated, and is embedded in the first perforation to incite somebody to action
First perforation block first block, second perforation in be embedded with to by second perforation block second block.
It is further improved, above-mentioned upper cover is fixed with the first packing holder and the second packing holder, under the first packing holder
Portion periphery is embedded with the first sealing ring, and the lower, outer perimeter of the second packing holder is embedded with the second sealing ring, and the first packing holder is set
In forming hermetic seal cooperation in the first plenum space, and between the first sealing ring and the inner hole wall of the first plenum space, second is close
Seal seat is set in the second plenum space, and hermetic seal cooperation is formed between the second sealing ring and the second plenum space inner hole wall.
The setting of packing holder provides suitable position to the installation of sealing ring, and can be advance by the packing holder for being equipped with sealing ring
It is connected in upper cover, then upper cover is installed on stack shell, installation is more convenient.
Specifically, having the first annular wall extended downward into the first plenum space in above-mentioned upper cover, described first is close
The top of seal seat is fixed in first annular wall；There is the second ring extended downward into the second plenum space in the upper cover
The top of shape wall, second packing holder is fixed in the second annular wall.The structure is conducive to packing holder being fixed on upper cover
Interior, bonding may be used in packing holder or thread connecting mode is fixed.
For the hermetic seals for realizing between the upper holes of linkage tube and two, the bottom in hole is equipped with the first sealing ring on above-mentioned first,
First sealing ring is constrained in by the first pressing plate being fixed in upper cover in upper cover；The bottom in hole is equipped with second on described second
Sealing ring, the second sealing ring are constrained in by the second pressing plate being fixed in upper cover in upper cover.
There are multiple set screws to sequentially pass through upper cover upper cover and stack shell link together with after stack shell.The connection type
Simply, it is conducive to assembling, other manner also can be used certainly, such as snap connection.
As an improvement, the periphery of above-mentioned stack shell is equipped with annular shoulder block, the bottom of the upper cover is shelved on annular shoulder block.Ring
Shape shoulder block has lower limit effect to sealing ring, but also with installation indicative function, just knows after upper cover is shelved on annular shoulder block
Upper cover has been in place, and upper cover and stack shell can be linked together by set screw.
Above-mentioned first perforation and the second perforation are bellmouth, and the first blocking and second block made of elastic material
There is the first up big and down small tapered portion, the first lower part side blocked to have first annular gear for component, the first top blocked
Shoulder, first tapered portion, which forms to seal to match to merge to block to first with the taper hole wall of first perforation, forms lower limit
Position, the first annular shoulder block portion contact the upper limit to be formed and be blocked to first with the outer surface of the bottom surface of stack shell；Second blocks
Top there is the second up big and down small tapered portion, the second lower part side blocked has the second annular shoulder block portion, described second
Tapered portion, which forms to seal to match to merge to block to second with biperforate taper hole wall, forms lower limit, second annular
Shoulder block portion contacts the upper limit to be formed and be blocked to second with the outer surface of the bottom surface of stack shell.Up big and down small tapered portion can make blocking
Good hermetic seal is formed with perforation, annular shoulder block portion can form upper limit to the blocking in perforation again, prevent from blocking being detached from and wear
Hole.
Preferably, the shell that above-mentioned stack shell top has side convex, the exhaust space are located in shell, shell
Outer bottom and the bottom surface of pedestal between have spacing.For the structure compared with background patents, the space that exhaust space occupies is few, this
Sample makes the less with material of composition stack shell, is further reduced stack shell weight.
Compared with the prior art, the advantages of the present invention are as follows：Stack shell is once to be molded into using low density plastics with pedestal
Integral piece made of type can ensure stack shell-pedestal in this way from PVC (1.45g/cm3) to PP (0.95g/cm3) before
Weight is substantially reduced, and because being equipped with sealing ring between upper cover and the top of stack shell, ensures air-tightness, without as background patents one
Sample closely coordinates with upper cover by stack shell to realize, also no longer glue is needed to be adhesively fixed between stack shell and upper cover, need to only adopt
It is connected with easy limit method, multiple set screws such as can be used and sequentially pass through upper cover and cylinder after upper cover and stack shell
Body links together, and can also be the mode snapped connection, therefore installs more convenient.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention；
Fig. 2 is the sectional view on left and right directions of the embodiment of the present invention；
Fig. 3 is enlarged drawing at the A of Fig. 2；
Fig. 4 is enlarged drawing at the B of Fig. 2；
Fig. 5 is the sectional view on front-rear direction of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
It is a preferred embodiment of the present invention as shown in Fig. 1~5.
A kind of improved bitubular hand-pulled inflator shell, includes the bottom of stack shell 1 and upper cover 2 and lower part set on 1 top of stack shell
Seat 11, be provided in upper cover 2 for linkage tube pass through first on hole 4b on hole 4a and second, 1 inside points of stack shell are every in independent three
A space, respectively the first plenum space 5a, the second plenum space 5b and exhaust space 5c, exhaust space 5c are in communication with the outside,
The shell 13 that 1 top of stack shell has side convex, exhaust space 5c are located in shell 13, outer bottom and the pedestal 11 of shell 13
Bottom surface between have space D.The left and right sides of pedestal 11 is equipped with and steps on foot 111.
Stack shell 1 is the integral piece made of low density plastics' single injection-molded with pedestal 11, there is multiple set screws
10, which sequentially pass through upper cover 2, links together upper cover 2 and stack shell 1 with after stack shell 1.The periphery of stack shell 1 is equipped with annular shoulder block 12,
The bottom of the upper cover 2 is shelved on annular shoulder block 12.
It is equipped with sealing ring 6a, 6b between upper cover 2 and the top of stack shell 1, the first packing holder 3a and the is fixed in upper cover 2
The lower, outer perimeter of two packing holder 3b, the first packing holder 3a is embedded with the first sealing ring 6a, the lower part of the second packing holder 3b
Periphery is embedded with the second sealing ring 6b, and the first packing holder 3a is set in the first plenum space 5a, and the first sealing ring 6a and the
Hermetic seal cooperation is formed between the inner hole wall of one plenum space 5a, the second packing holder 3b is set in the second plenum space 5b, and
Hermetic seal cooperation is formed between second sealing ring 6b and the second plenum space 5b inner hole walls.Have in upper cover 2 and extends downward into the
The top of first annular wall 2a in one plenum space 5a, the first packing holder 3a are glued in first annular wall 2a；In upper cover 2
Top with the second the annular wall 2b, the second packing holder 3b extended downward into the second plenum space 5b is glued at
In second ring wall 2b.
The basal surface position of stack shell 1 be equipped with it is corresponding with the first plenum space 5a first perforate 7a and with the second plenum space
The internal diameter of 5b corresponding second perforation 7b, the first perforation 7a are less than the internal diameter of the first plenum space 5a, the aperture of the second perforation 7b
Less than the internal diameter of the second plenum space 5b, it is embedded with first to block the first perforation 7a in the first perforation 7a and blocks up
8a is filled in, second to block the second perforation 7b is embedded in the second perforation 7b and blocks 8b.First perforation 7a and the
Two perforation 7b are bellmouth, and first, which blocks 8a and second, blocks 8b components made of elastic material, and first blocks 8a's
Top has the first up big and down small tapered portion 8a1, and the first lower part side for blocking 8a has first annular shoulder block portion 8a2, institute
It states the taper hole wall that the first tapered portion 8a1 perforates 7a with described first and is formed to seal to match and merge to the first blocking 8a formation lower limits
Position, the first annular shoulder block portion 8a2 contact the upper limit to be formed and block 8a to first with the outer surface of the bottom surface of stack shell 1；The
Two tops for blocking 8b have the second up big and down small tapered portion 8b1, and there is the second annular to keep off for the second lower part side for blocking 8b
Shoulder 8b2, the second tapered portion 8b1 form to seal to match to merge with the taper hole wall of the second perforation 7b blocks 8b to second
Lower limit is formed, the second annular shoulder block portion 8b2 contacts to be formed with the outer surface of the bottom surface of stack shell 1 blocks the upper of 8b to second
Limit.
On first the bottom of hole 4a be equipped with the first sealing ring 9a, the first sealing ring 9a by be fixed in upper cover 2 first
Pressing plate 91 (the first pressing plate 91 is screwed in upper cover 2) and constrain in upper cover 2；The bottom of hole 4b is set on described second
Having the second sealing ring 9b, the second sealing ring 9b, (pressing plate 92 is screwed in by the second pressing plate 92 for being fixed in upper cover 2
In upper cover 2) and constrain in upper cover 2.
Stack shell 1 is the integral piece made of low density plastics' single injection-molded with pedestal 11, from PVC before
(1.45g/cm3) arrives PP (0.95g/cm3), can ensure that the weight of stack shell 1- pedestals 11 is substantially reduced in this way, and because first close
Seal seat 3a and the second packing holder 3b is glued and is sealed in upper cover 2, and in the first packing holder 3a and the second sealing ring
First is respectively equipped between seat 3b and the top of stack shell 1 sealing ring 6a and the second sealing ring 6b, ensures air-tightness, without as the back of the body
Scape patent equally allows stack shell 1 closely to coordinate to realize with upper cover 2.
This hand-pulled inflator shell can be directly used in background patents.
Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Appoint made by all within the spirits and principles of the present invention
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of improved bitubular hand-pulled inflator shell, including stack shell (1) and the upper cover (2) set on stack shell (1) top and lower part
Pedestal (11), be provided in upper cover (2) for linkage tube pass through first on hole (4a) and second hole (4b), the stack shell (1)
Inside points are every in independent three spaces, respectively the first plenum space (5a), the second plenum space (5b) and exhaust space
(5c), the exhaust space (5c) are in communication with the outside, and the left and right sides of pedestal (11), which is equipped with, steps on foot (111)；It is characterized in that：
The stack shell (1) is the integral piece made of low density plastics' single injection-molded, the upper cover (2) and cylinder with pedestal (11)
Sealing ring (6a, 6b) is equipped between the top of body (1), the upper cover (2) is arranged and is connected to stack shell (1) top.
2. improved bitubular hand-pulled inflator shell according to claim 1, it is characterised in that：The bottom surface position of the stack shell (1)
And the first plenum space (5a) corresponding first perforation (7a) and the second perforation corresponding with the second plenum space (6) is installed
(7b), interior first be embedded with to block the first perforation (7a) of first perforation (7a) block (8a), and described second
It is embedded with second to block the second perforation (7b) in perforation (7b) and blocks (8b).
3. improved bitubular hand-pulled inflator shell according to claim 1, it is characterised in that：The upper cover (2) is fixed with
One packing holder (3a) and the second packing holder (3b), the lower, outer perimeter of the first packing holder (3a) are embedded with the first sealing ring
The lower, outer perimeter of (6a), the second packing holder (3b) are embedded with the second sealing ring (6b), and the first packing holder (3a) is set to first
Hermetic seal cooperation is formed in plenum space (5a), and between the first sealing ring (6a) and the inner hole wall of the first plenum space (5a),
Second packing holder (3b) is set in the second plenum space (5b), and the second sealing ring (6b) and the second plenum space (5b) endoporus
Hermetic seal cooperation is formed between wall.
4. improved bitubular hand-pulled inflator shell according to claim 3, it is characterised in that：Have in the upper cover (2) to
Under extend to the first annular wall (2a) in the first plenum space (5a), the top of first packing holder (3a) is fixed on
In one annular wall (2a)；There is the second annular wall (2b) extended downward into the second plenum space (5b) in the upper cover (2),
The top of second packing holder (3b) is fixed in the second annular wall (2b).
5. improved bitubular hand-pulled inflator shell according to claim 1, it is characterised in that：The bottom of hole (4a) on described first
Portion is equipped with the first sealing ring (9a), and the first sealing ring (9a) is constrained in by the first pressing plate (91) being fixed in upper cover (2)
In upper cover (2)；On described second the bottom of hole (4b) be equipped with the second sealing ring (9b), the second sealing ring (9b) by being fixed on
Lid (2) in the second pressing plate (92) and constrain in upper cover (2).
6. improved bitubular hand-pulled inflator shell according to claim 1, it is characterised in that：Have multiple set screws (10) according to
It is secondary that upper cover (2) and stack shell (1) link together afterwards with stack shell (1) across upper cover (2).
7. improved bitubular hand-pulled inflator shell according to claim 6, it is characterised in that：The periphery of the stack shell (1) is set
There are annular shoulder block (12), the bottom of the upper cover (2) to be shelved on annular shoulder block (12).
8. improved bitubular hand-pulled inflator shell according to claim 2, it is characterised in that：First perforation (7a) and the
Two perforation (7b) are bellmouth, and first blocks (8a) and second blocking (8b) component made of elastic material, and first is stifled
There is up big and down small the first tapered portion (8a1), the first lower part side for blocking (8a) to have first annular on the top for filling in (8a)
Shoulder block portion (8a2), first tapered portion (8a1) and the taper hole wall of first perforation (7a) form sealing with merging to the
One, which blocks (8a), forms lower limit, and the first annular shoulder block portion (8a2) contacts with the outer surface of the bottom surface of stack shell (1) to be formed pair
First blocks the upper limit of (8a)；Second top for blocking (8b) has up big and down small the second tapered portion (8b1), and second blocks
There is the second annular shoulder block portion (8b2), second tapered portion (8b1) to perforate (7b) with described second for the lower part side of (8b)
Taper hole wall forms sealing and forms lower limit, the described second annular shoulder block portion (8b2) and stack shell to the second blocking (8b) with merging
(1) outer surface of bottom surface contacts the upper limit to be formed and block (8b) to second.
9. improved bitubular hand-pulled inflator shell according to claim 1, it is characterised in that：Stack shell (1) top has
The convex shell in side (13), the exhaust space (5c) are located in shell (13), the outer bottom and pedestal of shell (13)
(11) there is spacing (D) between bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425600.0A CN108757398A (en) | 2018-05-07 | 2018-05-07 | Improved bitubular hand-pulled inflator shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425600.0A CN108757398A (en) | 2018-05-07 | 2018-05-07 | Improved bitubular hand-pulled inflator shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757398A true CN108757398A (en) | 2018-11-06 |
Family
ID=64009826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810425600.0A Pending CN108757398A (en) | 2018-05-07 | 2018-05-07 | Improved bitubular hand-pulled inflator shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757398A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292172Y (en) * | 1996-11-22 | 1998-09-23 | 葛文军 | Multi-function inflator |
| CN203051026U (en) * | 2013-01-29 | 2013-07-10 | 南通广兴气动设备有限公司 | Fast inflator |
| CN204783517U (en) * | 2015-05-29 | 2015-11-18 | 宁波布拉沃冲气具制造有限公司 | Hand power inflator |
| CN105156295A (en) * | 2015-08-06 | 2015-12-16 | 格力休闲体育用品有限公司 | Triphase manual inflator |
| CN207245968U (en) * | 2017-08-16 | 2018-04-17 | 格力休闲体育用品有限公司 | Structure improved hand-pulled inflator shell |
| CN208236612U (en) * | 2018-05-07 | 2018-12-14 | 格力休闲体育用品有限公司 | Improved bitubular hand-pulled inflator shell |
-
2018
- 2018-05-07 CN CN201810425600.0A patent/CN108757398A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292172Y (en) * | 1996-11-22 | 1998-09-23 | 葛文军 | Multi-function inflator |
| CN203051026U (en) * | 2013-01-29 | 2013-07-10 | 南通广兴气动设备有限公司 | Fast inflator |
| CN204783517U (en) * | 2015-05-29 | 2015-11-18 | 宁波布拉沃冲气具制造有限公司 | Hand power inflator |
| CN105156295A (en) * | 2015-08-06 | 2015-12-16 | 格力休闲体育用品有限公司 | Triphase manual inflator |
| CN207245968U (en) * | 2017-08-16 | 2018-04-17 | 格力休闲体育用品有限公司 | Structure improved hand-pulled inflator shell |
| CN208236612U (en) * | 2018-05-07 | 2018-12-14 | 格力休闲体育用品有限公司 | Improved bitubular hand-pulled inflator shell |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |