CN104791217B - A kind of hand-pulled inflator of bidirectional inflating - Google Patents
A kind of hand-pulled inflator of bidirectional inflating Download PDFInfo
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- CN104791217B CN104791217B CN201510148271.6A CN201510148271A CN104791217B CN 104791217 B CN104791217 B CN 104791217B CN 201510148271 A CN201510148271 A CN 201510148271A CN 104791217 B CN104791217 B CN 104791217B
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- 230000002457 bidirectional Effects 0.000 title claims abstract description 30
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 210000002435 Tendons Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000002093 peripheral Effects 0.000 description 10
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The present invention relates to a kind of hand-pulled inflator of bidirectional inflating, including cylinder, piston, piston will be separated into upper chamber and lower chamber in stack shell, and cylinder includes stack shell, upper lid and bottom seat, and upper lid central authorities are equipped with linkage tube；It is characterized in that：Also include outlet passageway, in upper outlet passageway on give vent to anger valve block；Lower outlet passageway, is provided with down, in lower outlet passageway, valve block of giving vent to anger；Connecting tube, outside stack shell, the upper and lower side of connecting tube is connected with upper outlet passageway and lower outlet passageway respectively and communicates；Located at the air guide room of internal piston, the upper surface of piston is provided with valve port and upper breathing valve block, and the lower surface of piston is provided with lower valve port and lower breathing valve block.Because upper outlet passageway is on cylinder, it is to avoid client connects tracheae in gas replenishment process and moves up and down brought puzzlement with handle；In gas replenishment process, tolerance when inflation or air-breathing is full of whole linkage tube, and tolerance is greatly increased compared with the inflator of traditional bidirectional inflating, therefore the charging efficiency of this inflator is also significantly lifted.
Description
Technical field
A kind of manual charger of the present invention, more particularly to one kind allow user to be operated with hand, and can be when pushing away, drawing handle
The hand-pulled inflator of the bidirectional inflating for being persistently inflated or being evacuated.
Background technology
Hand-pulled inflator (being also inflator pump) species is quite a lot of at present, and traditional inflator includes the body with a tubular,
The piston that by connecting rod operated is assembled with the body, and piston the week side of boss is provided with to recessed rubber cup, and in connecting rod top
The handle gripped for user is provided with, extends a gas tube in body lower end.During user's pull-up handle, it is internal that air can enter this
Below the piston of side, when handle is pushed by user, then the air in body can be pushed in gas tube by piston, provide once
Inflation.The hand-pulled inflator of this kind of traditional type is unidirectional hand-pulled inflator, i.e., move up and down in a round trip in piston, can only
Single stroke is enough had to provide aeration, service efficiency is relatively low.
Another kind of more progressive inflator pump was once seen on the market, and which can push away in handle, draw in two-way travel and all filled
Pneumatic work, and improve service efficiency.The Chinese utility model of Patent No. ZL00255072.5 (notification number is CN2450405Y)
Patent《Two-way inflating pump》, the Chinese utility model of Patent No. ZL200620100394.9 (notification number be CN2874057Y) is special
Profit《A kind of two-way inflating pump》, and the China of Patent No. ZL201020111370.X (notification number is CN201606210U) is practical
New patent《The hand-pulled inflator of bidirectional inflating》, they all disclose similar can bidirectional inflating pull other.
The hand-pulled inflator of existing bidirectional inflating generally comprises the body of tubular, and this is provided with piston in vivo, and piston is by body
Inner space be separated into upper chamber and lower chamber, the top of body is provided with lid, and upper lid central authorities are equipped with a linkage tube, connection
The upper end of dynamic pipe is connected with a handle, and the lower end of handle is connected with intrinsic piston, and the both sides in handle central authorities are respectively formed with
Inlet, outlet.Airtight gasket is housed in piston peripheral group, and internal piston is provided with an air inlet air guide room and and give vent to anger air guide
Room, the upper and lower piston face in the air inlet air guide room are formed with the list of giving vent to anger for allowing air to be entered in body by air inlet air guide room
To valve port, the upper and lower piston face in air guide room of giving vent to anger is formed with and allows air be entered the air inlet that gives vent to anger in air guide room by body
Check-valve port.Wear on the inside of linkage tube and an inner tube is assembled with, the inner tube runs through linkage tube, and is mutually tied with its lower end and piston
Close, upper end is combined with handle.The upper opening of inner tube is only connected with the air inlet of handle, and the lower openings of inner tube only with work
The air inlet air guide room of plug communicates.Meanwhile, the sky that gives vent to anger between air guide room and linkage tube inner peripheral surface and inner tube outer peripheral face in piston
Between be connected, and the upper end in the space is then connected with the gas outlet of handbar, and can concede the air energy in conductance air chamber
Send at the gas outlet of enough space handles between linkage tube inner peripheral surface and inner tube outer peripheral face.Gas replenishment process is as follows：Piston
It is to be operated via linkage tube by handle and make upper and lower displacement in vivo at this, outside air then can be entered through inner tube by air inlet and be lived
In air inlet air guide room in plug, then this is entered in vivo by outgassing nonreturn valve mouth, and the air of body interior then can be by piston
On breather check valve mouth or enter give vent to anger in air guide room, then the space between linkage tube inner peripheral surface and inner tube outer peripheral face by
Gas outlet is sent.
There is following defect in the hand-pulled inflator of existing bidirectional inflating：
1st, air inlet and gas outlet are arranged on handle, therefore connection treats that the connection tracheae of charger is connected with handle,
Can move up and down with handle in gas replenishment process, connection tracheae during moving up and down may with handle or treat charger
Depart from, in addition connection the servo-actuated of tracheae also can bring puzzlement to inflation.
2 and piston connection linkage tube in be additionally provided with central inner pipe, the sky that gives vent to anger in air guide room allowed when giving vent to anger in piston
Gas is that the space between linkage tube inner peripheral surface and inner tube outer peripheral face is finally sent from the gas outlet of handle, throughput just than
Less, charging efficiency is low.
3rd, piston inner structure is complicated, and internal piston has air inlet air guide room and air guide room of giving vent to anger, and the upper and lower table of piston
Face arranges multiple check-valve port, it has not been convenient to the shaping of piston.
4th, pressure gauge is arranged on handle, therefore pressure gauge can be moved up and down together with handle, is not easy to observation, and shadow
The manometric precision of sound.
5th, handle is movable, and during packing or fetching, handle can carry piston to move relative to stack shell to handle, not side
Just packed and transported inflator, the process that fetches also can seem inconvenient because of moving for handle, also fragile.
6th, the handle portion of handle is all horizontally disposed with, and so when handle is pulled, the angle that arm opens is larger, pulls and takes
Power.
In sum, the hand-pulled inflator of existing bidirectional inflating can also make a large amount of improvement.
Content of the invention
The technical problem to be solved is provided a kind of structure improved double for above-mentioned state of the art
To the hand-pulled inflator of inflation, the charging efficiency of the hand-pulled inflator is higher, using more convenient, and simplifies piston structure.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：A kind of hand-pulled inflator of bidirectional inflating, including
Cylinder, is provided with piston in cylinder, the inner space of stack shell is separated into upper chamber and lower chamber by piston, cylinder include stack shell and
Located at the upper lid on stack shell top and the base of bottom, upper lid central authorities are equipped with linkage tube, and the upper end of linkage tube is connected with handle, connection
The lower end of dynamic pipe is connected with piston；It is characterized in that：Also include located at cylinder top in order to connect upper chamber with extraneous on go out
Gas passage, is provided with the upper inlet for being connected with upper chamber and only allows air enter upper outlet passageway by upper chamber in upper outlet passageway
On give vent to anger valve block；Located at cylinder bottom in order to connect lower chamber and extraneous lower outlet passageway, with lower chamber in lower outlet passageway
It is provided with the lower inlet of connection and only allows air enter, by lower chamber, valve block of giving vent to anger under lower outlet passageway；Connecting tube, located at stack shell
Outside, the upper end of connecting tube are connected with upper outlet passageway and communicate, and the lower end of connecting tube is connected with lower outlet passageway and communicates；Located at work
Air guide room inside plug, air guide room are connected with the inlet channel on handle via linkage tube inner space, the upper table of piston
Face is provided with valve port, is provided with the upper breathing valve block for only allowing air be entered in upper chamber by air guide room, the following table of piston at upper valve port
Face is provided with lower valve port, and lower valve port is provided with the lower breathing valve block for only allowing air be entered in lower chamber by air guide room.
Above-mentioned upper outlet passageway protrudes lid located at simultaneously side is above covered, and the inner port of upper outlet passageway is formed on described gives vent to anger
The upper inlet connected with upper chamber in passage, the external port of upper outlet passageway form the interface end for connecting tube connection, above give vent to anger
The bottom of the perisporium of passage is formed with jack, and the upper end of the connecting tube is plugged in jack, the upper end periphery of connecting tube with insert
Sealing ring is provided between the inner hole wall in hole.Upper outlet passageway is the most reasonable located at upper its structure of lid, can so make upper chamber empty
In gas fully discharge, improve charging efficiency, also upper outlet passageway can be independently arranged at certainly and cover, can also will be upper
Outlet passageway is arranged on stack shell.
The aperture of above-mentioned upper inlet less than the internal diameter of upper outlet passageway, with upper dowel in upper inlet, described on give vent to anger
Valve block is plugged in the middle part of dowel.Which is above to give vent to anger a kind of the simplest set-up mode of valve block, may also be employed certainly
Alternate manner is arranged.
Have the first hole and the second hole on above-mentioned base, the first hole communicate with lower chamber to be formed in the lower outlet passageway with
The lower inlet of lower chamber connection, outside stack shell, the lower outlet passageway is removably attachable to the bottom of base to the second hole position,
And the first hole is connected with the second hole, sealing ring, the lower end of the connecting tube is provided between lower outlet passageway and the bottom of base
The second in the hole is plugged in, between the inner hole wall in the lower end periphery of connecting tube and the second hole, is provided with sealing ring.Lower inlet is located at bottom
On seat, the tolerance of lower chamber can be made fully to be discharged, charging efficiency is improved, in addition, lower outlet passageway is individual components, can simplify
The structure of base itself, is easy to the shaping of each part.
With lower dowel in above-mentioned lower inlet, described under valve block of giving vent to anger be plugged in the middle part of lower dowel.Which goes out under being
A kind of the simplest set-up mode of air valve plate, may also be employed alternate manner setting certainly.
Above-mentioned piston is formed by pedestal and bottom two parts pairing bonding, and on the pedestal, center has lug boss, raised
Portion is provided with the connecting hole for linkage tube inserting, and the upper valve port has multiple and is circumferentially disposed on pedestal, described on
The annularly sheathed and bottom that be fixed on lug boss by convex tendon of breathing valve block；The lower valve port have multiple and circumferentially interval set
Put on bottom, the bottom surface of the bottom has the post portion for extending downwardly, lower breathing valve block is annularly sheathed and solid by jump ring
It is scheduled in post portion.Piston is made up of two parts, is easy to form air guide room in piston, is in addition arranged multiple upper valve ports and lower valve port
Can be quickly to upper chamber and lower chamber make-up gas, and this breathing valve structure is simple, is easy to assembling.
The sidepiece of above-mentioned upper lid has cavity at upper outlet passageway position, is provided with pressure gauge, pressure gauge in cavity
Pressure sensitive end stretch in the upper outlet passageway.Manometric setting enables client to detect the actual pressure of inflation at any time,
, located above covering, pressure gauge is constant with respect to the position of cylinder, in gas replenishment process, it is to avoid because pressure gauge is with handle for pressure gauge
Move up and down, caused is not easy to observation, and the defect for affecting manometric precision.
The connection sheet of flexibility is fixed with above-mentioned handle, and the lower end of connection sheet is releasably connected on described and covers.?
Non-aerating, connection sheet is connect with top cap, sliding of the handle with respect to cylinder is prevented, instant packed, while preventing inflator oneself
Damage after opening.
Cover on above-mentioned and have connection upper chamber and extraneous installing hole, install in the hole be provided with to determine upper chamber with
The manual switching the valve whether external world connects.The manually setting of switching valve, allows the client can unrestricted choice bidirectional inflating or list
To inflation, when manual switching valve is closed, upper chamber is not directly in communication with the outside by installing hole, and which is bidirectional inflating
State, when manual switching valve is in open mode, upper chamber is directly in communication with the outside by installing hole, and which is unidirectional inflation shape
State.
The handle portion of the above-mentioned handle left and right sides is in the arc bent towards user direction, the base in overlook direction
The left and right sides step on foot in the arc bent towards user direction in overlook direction.The cambered design symbol of handle and base
Body mechanics is closed, when handle is pulled, arm and both feet pull handle more laborsaving without too flaring operation up and down.
Compared with prior art, it is an advantage of the current invention that：Upper outlet passageway is given vent to anger logical on cylinder, so in connection
Road and treat that the connecting tube between charger is constant with cylinder relative position, it is to avoid client in gas replenishment process connecting tube with handle
Move up and down brought puzzlement；This hand-pulled inflator moves on to traditional inner tube outside cylinder, so in gas replenishment process, inflation
Or tolerance during air-breathing is full of whole linkage tube, tolerance is greatly increased compared with the inflator of traditional bidirectional inflating, therefore this inflator
Charging efficiency is also significantly lifted.
Description of the drawings
Fig. 1 is the perspective view one of the embodiment of the present invention；
Fig. 2 is the perspective view two of the embodiment of the present invention；
Fig. 3 is the sectional view of the embodiment of the present invention；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is enlarged drawing at the B of Fig. 3；
Fig. 6 is the perspective view one of upper lid in the embodiment of the present invention；
Fig. 7 is the perspective view two of upper lid in the embodiment of the present invention；
Fig. 8 is the stereochemical structure exploded view of piston portion in the embodiment of the present invention；
Fig. 9 is the stereochemical structure exploded view of base portion in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 1～9, it is a preferred embodiment of the present invention.
A kind of hand-pulled inflator of bidirectional inflating, including cylinder, cylinder includes stack shell 1 and the upper lid 2 located at 1 top of stack shell
With the base 3 of bottom, it is to be detachably connected between upper lid 2 and base 3 and stack shell, can be threaded, it is also possible to snap connection.
Be provided with piston 5 in cylinder, the inner space of stack shell 1 is separated into upper chamber 11 and lower chamber 12 by piston 5,5 outer peripheral face of piston and
Seal is provided between stack shell, so that upper chamber 11 is not directly connected with lower chamber 12,2 central authorities of upper lid are equipped with linkage tube 4, connection
Dynamic pipe 4 is hollow pipe fitting, and the upper end of linkage tube 4 is connected with handle 6, and the lower end of linkage tube 4 is connected with piston 5.
Also include
Located at cylinder top connection upper chamber 11 and extraneous upper outlet passageway 7, connect with upper chamber 11 in upper outlet passageway 7
Be provided with logical upper inlet 71 only allow air by upper chamber 11 enter upper outlet passageway 7 on give vent to anger valve block 72, valve block of above giving vent to anger
72 may also be employed the replacement of existing one-way valve structures.
Located at cylinder bottom connection lower chamber 12 and extraneous lower outlet passageway 8, connect with lower chamber 12 in lower outlet passageway 8
Only be provided with logical lower inlet 81 and allow air enter, by lower chamber 12, valve block 82 of giving vent to anger under lower outlet passageway 8, under give vent to anger valve block
82 may also be employed the replacement of existing one-way valve structures.
Connecting tube 10, outside stack shell 1, the upper end of connecting tube 10 is connected with upper outlet passageway 7 and communicates, connecting tube 10
Lower end is connected with lower outlet passageway 8 and communicates.
Air guide room 53 inside piston 5, air guide room 53 is via 4 inner space of linkage tube and entering on handle 6
Gas passage 61 is connected, and the upper surface of piston 5 is provided with valve port 511, is provided with and only allows air be entered by air guide room 53 at upper valve port 511
Upper breathing valve block 512 in upper chamber 11, the lower surface of piston 5 are provided with lower valve port 521, and lower valve port 521 is only provided with and allows air
The lower breathing valve block 522 entered in lower chamber 12 by air guide room 53.
Upper outlet passageway 7 is on upper lid 2 and side is protruded and covers 2, and the inner port of upper outlet passageway 7 forms outlet passageway
The upper inlet 71 connected with upper chamber 11 in 7, the aperture of upper inlet 71 are had in upper inlet 71 less than the internal diameter of upper outlet passageway 7
There is upper dowel 711, valve block 72 of above giving vent to anger is plugged in the middle part of dowel 711, the structure of valve block 72 of above giving vent to anger refers to the back of the body
Scape patent.The external port of upper outlet passageway 7 forms the interface end for connecting tube connection, the bottom shape of the perisporium of upper outlet passageway 7
Become to have jack 73, the upper end of connecting tube 10 is plugged in jack 73, the upper end periphery of connecting tube 10 and the inner hole wall of jack 73 it
Between be provided with sealing ring.
The first hole 31 and the second hole 32 is had on base 3, and the first hole 31 communicates to be formed in lower outlet passageway 8 with lower chamber 12
The lower inlet 81 connected with lower chamber 12, with lower dowel 811 in lower inlet 81, under valve block 82 of giving vent to anger be plugged in lower dowel
811 middle part, under the give vent to anger structure of valve block 82 refer to background patents.Second hole 32 is located at outside stack shell 1, lower outlet passageway 8
The bottom of base 3 is removably attachable to by screw, and the first hole 31 is connected with the second hole 32, lower outlet passageway 8 and bottom
Sealing ring is provided between the bottom of seat 3, the lower end of connecting tube 10 is plugged in the second hole 32, the lower end periphery of connecting tube 10 and the
Sealing ring is provided between the inner hole wall in two holes 32.
Piston 5 is formed by pedestal 51 and 52 two parts pairing bonding of bottom, and on pedestal 51, center has cylindrical convex
Portion 513 is played, lug boss 513 is provided with the connecting hole for 4 inserting of linkage tube, upper valve port 511 has multiple and circumferentially interval setting
On pedestal 51, the upper annularly sheathed and bottom that be fixed on lug boss 513 by convex tendon 54 of breathing valve block 512；Lower valve port 521
Have multiple and be circumferentially disposed on bottom 52, the bottom surface of bottom 52 has the post portion 523 for extending downwardly, lower breathing valve block
522 is annularly sheathed and be fixed in post portion 523 by jump ring 55.
The sidepiece of upper lid 2 has cavity 74 at 7 position of upper outlet passageway, is provided with pressure gauge 75 in cavity 74, pressure
The pressure sensitive end of power table 75 is stretched in outlet passageway 7.The setting of pressure gauge 75 enables client to detect the reality of inflation at any time
Pressure, pressure gauge 75 located at upper lid 2 on, pressure gauge is constant with respect to the position of cylinder, in gas replenishment process, it is to avoid because pressure gauge with
Handle is moved up and down together, and caused is not easy to observation, and the defect for affecting manometric precision.
The connection sheet 62 of flexibility is fixed with handle 6, and the lower end of connection sheet 62 is releasably connected on lid 2.Connection
The upper end of piece 62 is sheathed to be fixed on handle 6, and the lower end of connection sheet 62 has jack 621, and the sidepiece of upper lid 2 has and jack
621 inserting columns 22 for matching.Non-aerating, connection sheet 62 be connected with upper lid 2, prevent the sliding of the relative cylinder of handle 5, convenient bag
Dress, while damage after preventing inflator oneself from opening.
Connection upper chamber 11 and extraneous installing hole 21 is had on upper lid 2, is provided with to determine upper gas in installing hole 21
The manual switching valve 9 whether room 11 is in communication with the outside.Manual switching valve 9 is rotatably arranged in installing hole 21, in manual switching valve 9
With switching channel 91,9 outside of manual switching valve has the spanner portions 92 for exposing outside lid 2, and the outside of upper lid 2 has and spanner
Portion 92 keeps off the stopper 23 that joins, and turns to under 23 contact condition of stopper in spanner portions 92, and switching channel 91 connects 11 He of upper chamber
The external world, its are bidirectional inflating state, rotate under 90 degree of states in spanner portions 92, and switching channel 91 blocks upper chamber 11 with the external world
Connection, which is unidirectional inflated condition.
The handle portion 63 of 6 left and right sides of handle is in the arc bent towards user direction, a left side for base 3 in overlook direction
Right both sides step on foot 33 in the arc bent towards user direction in overlook direction.The cambered design of handle and base meets
Body mechanics, when handle is pulled, arm and both feet pull handle more laborsaving without too flaring operation up and down.
Operation principle and process during the hand-pulled inflator bidirectional inflating of this bidirectional inflating is as follows：
The course of work that moves on piston 5：Moving on piston makes the gas in upper chamber 11 pressurized, in the upper gas of 5 top of piston
Air in room 11 can be sent to treat charger from upper outlet passageway 7 via valve block 72 of above giving vent to anger；Meanwhile, extraneous air by
The inner space of inlet channel 61, linkage tube 4 on handle 6 is entered in air guide room 53, because the gas in upper chamber 11 is pressurized, living
The upper valve port 511 for filling in 5 upper surfaces is compressed closing by upper breathing valve block 512, and the lower breathing valve block 522 of 5 lower surface of piston receives air guide
In room 53, the extruding of gas is opened, and in air guide room 53, gas is entered in lower chamber 12, to enter to lower chamber 12 via lower valve port 521
Row tonifying Qi；Valve block 82 of giving vent to anger under at the lower inlet 81 connected with lower chamber 12 in lower outlet passageway 8 is also at pressurized closing shape
State, therefore the gas in upper filling channel 7 will not leak to lower chamber 12.
The course of work that piston 2 is moved down：Piston is moved down makes the gas in lower chamber 12 pressurized, the lower gas below piston 2
Air in room 12 can via under valve block 82 of giving vent to anger enter lower outlet passageway 8, then enter into via connecting tube 10 again and go out
Passage 7 is sent to treat charger；Meanwhile, extraneous air is by the inlet channel 61 on handle 6, the inner space of linkage tube 4
Enter in air guide room 53, because the gas in lower chamber 12 is pressurized, the lower valve port 521 of 5 lower surface of piston is pressed by lower breathing valve block 522
Tight closing, the upper breathing valve block 512 of 5 upper surface of piston are opened by the extruding of gas in air guide room 53, gas warp in air guide room 53
Entered in upper chamber 11 by upper valve port 511, to carry out tonifying Qi to upper chamber 11；Connect with upper chamber 11 in upper outlet passageway 7
Valve block 72 of giving vent to anger at upper inlet 71 is also at pressurized closed mode, therefore the gas in upper filling channel 7 will not be leaked to
Air chamber 11.
Either handle 6 is pulled up or is pushed by user, all can be sent to treat the air in cylinder via upper outlet passageway 7
Charger, its can all be inflated action in bidirectional operation, and in addition this hand-pulled inflator is by traditional inner tube, i.e. the present embodiment
In connecting tube 10 move on to outside cylinder, so in gas replenishment process, inflation or tolerance during air-breathing are full of whole linkage tube, gas
Amount is greatly increased compared with the inflator of traditional bidirectional inflating, therefore the charging efficiency of this inflator is also significantly lifted.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.All made within the spirit and principles in the present invention appoint
What modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of hand-pulled inflator of bidirectional inflating, including cylinder, cylinder includes stack shell (1) and the upper lid located at stack shell (1) top
(2) and bottom base (3), be provided with piston (5) in cylinder, the inner space of stack shell (1) is separated into upper chamber by piston (5)
(11) and lower chamber (12), upper lid (2) central authorities are equipped with linkage tube (4), and the upper end of linkage tube (4) is connected with handle (6), linkage
The lower end of pipe (4) is connected with piston (5)；It is characterized in that：Also include
Located at cylinder top connection upper chamber (11) and extraneous upper outlet passageway (7), with upper chamber in upper outlet passageway (7)
(11) upper inlet (71) place for connecting be provided with only allow air by upper chamber (11) entrance outlet passageway (7) on give vent to anger valve block
(72)；
Located at cylinder bottom connection lower chamber (12) and extraneous lower outlet passageway (8), with lower chamber in lower outlet passageway (8)
(12) lower inlet (81) place for connecting only is provided with and allows air enter, by lower chamber (12), valve block of giving vent to anger under lower outlet passageway (8)
(82)；
Connecting tube (10), outside located at stack shell (1), the upper end of connecting tube (10) is connected with upper outlet passageway (7) and communicates, connecting tube
(10) lower end is connected with lower outlet passageway (8) and communicates；
Located at the internal air guide room (53) of piston (5), air guide room (53) via linkage tube (4) inner space and are located at handle (6)
On inlet channel (61) connection, the upper surface of piston (5) is provided with valve port (511), and upper valve port (511) place is only provided with and allows air
Upper breathing valve block (512) entered in upper chamber (11) by air guide room (53), the lower surface of piston (5) are provided with lower valve port (521),
Lower valve port (521) is provided with lower breathing valve block (522) for only allowing air be entered in lower chamber (12) by air guide room (53).
2. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：Upper outlet passageway (7) are located at
Upper lid (2) upper and side is protruded and covers (2), the inner port of upper outlet passageway (7) formed in upper outlet passageway (7) with upper chamber
(11) upper inlet (71) for connecting, the external port of upper outlet passageway (7) form the interface end for connecting tube connection, upper outlet passageway
(7) bottom of perisporium is formed with jack (73), and the upper end of connecting tube (10) is plugged in jack (73), connecting tube (10)
Upper end periphery and the inner hole wall of jack (73) between be provided with sealing ring.
3. the hand-pulled inflator of bidirectional inflating according to claim 2, it is characterised in that：The aperture of upper inlet (71) is little
In the internal diameter of upper outlet passageway (7), with upper dowel (711) in upper inlet (71), described on valve block (72) of giving vent to anger be plugged in
The middle part of upper dowel (711).
4. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：First is had on base (3)
Hole (31) and the second hole (32), the first hole (31) communicate with lower chamber (12) to be formed in lower outlet passageway (8) with lower chamber
(12) lower inlet (81) for connecting, the second hole (32) are located at stack shell (1) outside, lower outlet passageway (8) dismountable connection
In the bottom of base (3), and the first hole (31) are connected with the second hole (32), the bottom of lower outlet passageway (8) and base (3) it
Between be provided with sealing ring, the lower end of connecting tube (10) is plugged in the second hole (32), the lower end periphery of connecting tube (10) and the
Sealing ring is provided between the inner hole wall in two holes (32).
5. the hand-pulled inflator of bidirectional inflating according to claim 4, it is characterised in that：Under having in lower inlet (81)
Dowel (811), described under valve block (82) of giving vent to anger be plugged in the middle part of lower dowel (811).
6. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：Piston (5) are by pedestal (51)
Form with bottom (52) two parts pairing bonding, described pedestal (51) upper center has lug boss (513), on lug boss (513)
The connecting hole being provided with for linkage tube (4) inserting, upper valve port (511) have multiple and are circumferentially disposed on pedestal (51)
On, the upper annularly sheathed and bottom that be fixed on lug boss (513) by convex tendon (54) of breathing valve block (512)；Under described
Valve port (521) has multiple and is circumferentially disposed on bottom (52), and the bottom surface of bottom (52) has and to extend downwardly
Post portion (523), lower breathing valve block (522) is annularly sheathed and is fixed in post portion (523) by jump ring (55).
7. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：The sidepiece of upper lid (2) is neighbouring
There is at upper outlet passageway (7) position cavity (74), pressure gauge (75), the feeling of stress of pressure gauge (75) are installed in cavity (74)
Should hold and stretch in upper outlet passageway (7).
8. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：It is fixed with handle (6) soft
The connection sheet (62) of property, the lower end of connection sheet (62) is releasably connected on upper lid (2).
9. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：Connection is had on upper lid (2)
Upper chamber (11) and extraneous installing hole (21), be provided with to determine in installing hole (21) upper chamber (11) be in communication with the outside with
No manual switching valve (9).
10. the hand-pulled inflator of bidirectional inflating according to claim 1, it is characterised in that：Handle (6) left and right sides
Handle portion (63) in the arc bent towards user direction in overlook direction, the left and right sides of base (3) step on foot
(33) in the arc bent towards user direction in overlook direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148271.6A CN104791217B (en) | 2015-03-31 | 2015-03-31 | A kind of hand-pulled inflator of bidirectional inflating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148271.6A CN104791217B (en) | 2015-03-31 | 2015-03-31 | A kind of hand-pulled inflator of bidirectional inflating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791217A CN104791217A (en) | 2015-07-22 |
| CN104791217B true CN104791217B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510148271.6A Active CN104791217B (en) | 2015-03-31 | 2015-03-31 | A kind of hand-pulled inflator of bidirectional inflating |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156295B (en) * | 2015-08-06 | 2017-05-10 | 格力休闲体育用品有限公司 | Triphase manual inflator |
| IT201600069562A1 (en) * | 2016-07-05 | 2018-01-05 | Scoprega S P A | AIR PUMP WITH MANUAL OPERATION |
| CN109653984A (en) * | 2017-10-11 | 2019-04-19 | 双余实业股份有限公司 | Bidirectional inflating pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476372A (en) * | 1994-02-10 | 1995-12-19 | Yang; Hsi-Kung | Manual pump |
| US6371741B1 (en) * | 2000-05-08 | 2002-04-16 | Scott Wu | Manual air pump having at least two selectable inflation modes |
| US7681488B2 (en) * | 2005-01-19 | 2010-03-23 | Scott Wu | Pump |
| TWI328079B (en) * | 2006-11-14 | 2010-08-01 | ||
| TWI321613B (en) * | 2007-01-31 | 2010-03-11 | ||
| CN204553150U (en) * | 2015-03-31 | 2015-08-12 | 宁波布拉沃冲气具制造有限公司 | A kind of hand-pulled inflator of bidirectional inflating |
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2015
- 2015-03-31 CN CN201510148271.6A patent/CN104791217B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791217A (en) | 2015-07-22 |
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