CN107587994A

CN107587994A - inflating device

Info

Publication number: CN107587994A
Application number: CN201710071133.1A
Authority: CN
Inventors: 庄士文
Original assignee: Topeak Inc
Current assignee: Topeak Inc
Priority date: 2016-07-06
Filing date: 2017-02-09
Publication date: 2018-01-16
Also published as: US20180010592A1; DE102017107374A1; TW201802355A

Abstract

An inflator device comprising: the cylinder is provided with a first end and a second end which are opposite, and comprises a first air chamber, a second air chamber and a channel, wherein the channel is communicated with the first air chamber and the second air chamber; the piston group comprises a first piston and a second piston, the first piston is arranged in the first air chamber in a sliding manner, and the second piston is arranged in the second air chamber in a sliding manner; the cover piece is arranged at the first end, a first space is formed among the cover piece, the first air chamber and the first piston, and a second space is formed among the cover piece, the second air chamber and the second piston; the base group is arranged at the second end, a third space is formed among the base group, the first air chamber and the first piston, and a fourth space is formed among the base group, the second air chamber and the second piston; the flow channel group comprises an air flow channel and a one-way valve, the air flow channel is communicated with the fourth space in a one-way mode, and the one-way valve is contained in the air flow channel; the charging connector is communicated with the airflow channel.

Description

Pump-up device

Technical field

The invention discloses a kind of pump-up device, refers in particular to a kind of pump-up device that can export atm number.

Background technology

Inflator on the market consists predominantly of：One base；One stack shell, its bottom system is connected with the base, in the stack shell Portion has a slipping space, and the stack shell side has one to connect the slipping space to the delivery outlet in the external world；One air delivery device, one end System links with the delivery outlet of the stack shell, and the other end is then to the inflatable body link with an outside；One piston rod, have a piston, One body of rod and a handle, the piston system are located in the slipping space of the stack shell, and body of rod one end system is connected with the piston, the handle The other end of the body of rod is attached to, and outside the stack shell, with the past polyslip by external force effect, and by the slipping space Gas exported via the delivery outlet from the air delivery device.

When tubeless bicycle quick loses heart, there is gap between cover tire and wheel frame, if being intended to inflate using existing Cylinder, the gas output of inflator is smaller and can not promptly prop up cover tire, and then can not reduce cover tire and take turns the gap between frame, makes User when being inflated using existing inflator, the gas for squeezing into bicycle quick is released by gap.

The content of the invention

The technical problem of the invention to be solved is：When tubeless bicycle quick loses heart, its cover tire and wheel frame Between have gap, if using existing inflator, the gas output of inflator is smaller and can not promptly prop up cover tire, and then can not Reduce cover tire and take turns the gap between frame, cause the gas for squeezing into bicycle quick to be released by gap.

Pump-up device of the present invention, it includes：One cylinder, it has an opposite first end with one second end and including one the One air chamber, one second air chamber and a channel, the channel-connectivity first air chamber and second air chamber；One piston group, it includes one First piston and a second piston, the first piston are slidedly arranged on first air chamber, and the second piston is slidedly arranged on second air chamber, should First piston can synchronously slide with the second piston；One cover piece, it is arranged at the first end of the cylinder, the cover piece, this One first space is formed between one air chamber and the first piston, one is formed between the cover piece, second air chamber and the second piston Second space；One base group, it is arranged at the second end of the cylinder, between the base group, first air chamber and the first piston One the 3rd space is formed, one the 4th space is formed between the base group, second air chamber and the second piston；One each runner group, its Including a gas channel and a check valve, the gas channel uniaxially connects the 4th space, and the check valve is placed in the air-flow Passage；One charging connector, it connects the gas channel and can connect object to be inflatable；When the first piston and the second piston were toward should During the first end movement of cylinder, the gas for being placed in first space enters the second space and with being placed in this via the passage The gas of second space together uniaxially enters the 4th space, and extraneous gas enters the 3rd space；When the first piston with The second piston toward the cylinder the movement of the second end when, the gas unidirectional that is placed in the 4th space by the check valve, And via the gas channel by the charging connector, and entering object to be inflatable, extraneous gas is via the 3rd space and with being placed in The gas in the 3rd space together uniaxially enters first space and the second space.

When the first piston and the second piston move toward the first end of the cylinder, be placed in the gas in first space with The gas for being placed in the second space together uniaxially enters the 4th space, when the first piston and the second piston are toward the vapour The second end movement of cylinder, is exported to the charging connector gas unidirectional being placed in the 4th space by the check valve.Make Pump-up device of the present invention gas output for the first space gas volume and second space gas volume summation, work as use When person is intended to inflate tubeless bicycle quick, charging connector is connected into tire, then elapses the piston group, and causes the first piston Reciprocally slided respectively with the second piston, pump-up device of the invention exports larger tolerance and promptly props up cover tire, enters And cover tire and wheel frame must be made closely sealed, and the bicycle quick of tubeless wheel can be inflated easily.

Brief description of the drawings

Fig. 1 is the stereo appearance figure of pump-up device of the present invention.

Fig. 2 is the partial exploded view of pump-up device of the present invention.

Fig. 3 is the profile that is taken by Fig. 1.

The continuity that Fig. 4 is Fig. 3, represent that first piston slides with second piston towards cover piece.

The continuity that Fig. 5 is Fig. 4, represent that first piston is located at cylinder adjacent to one end of cover piece with second piston.

Fig. 6 is Fig. 5 continuity, represents that first piston slides with second piston towards base group.

Description of reference numerals：10- cylinders；101- first ends；The ends of 102- second；The air chambers of 11- first；The air chambers of 12- second； 13- passages；14- transmission channels；20- piston groups；21- first pistons；The annular grooves of 211- first；22- second pistons；The rings of 221- second Groove；The slide bars of 23- first；The slide bars of 24- second；25- first piston rings；26- second piston rings；27- first is against ring；28- second Against ring；29- handles；30- cover pieces；The extending portions of 31- first；The extending portions of 32- second；40- base groups；41- bodies；411- links Portion；The projections of 412- first；4121- shoulders；The projections of 413- second；The projections of 414- the 3rd；42- plates；421- perforates； 50- each runner groups；51- gas channels；511- first paragraphs；512- second segments；The 3rd section of 513-；The 4th section of 514-；52- check valves； 521- valve elements；522- elastic components；60- inflation groups；61- charging connectors；62- tracheaes；63- nuts；70- pressure gauges；A1- first is empty Between；A2- second spaces；The spaces of A3- the 3rd；The spaces of A4- the 4th.

Embodiment

Referring to figs. 1 to Fig. 4.Pump-up device of the present invention includes a cylinder 10, a piston group 20, a cover piece 30, a base group 40th, an each runner group 50, an inflation group 60 and a pressure gauge 70, the piston group 20 are slidedly arranged on the cylinder 10, the cover piece 30 and the bottom Seat group 40 is respectively arranged at the opposite end of cylinder 10, and the piston group 20 wears the cover piece 30, and the inflation group 60 links the base Group 40, the pressure gauge 70 link the side of the cover piece 30, and each runner group 50 wears the base group 40 and the inflation group 60 and connected The cylinder 10 and the pressure gauge 70.

The cylinder 10 has an opposite first end 101 and one second end 102 and including one first air chamber 11, one second gas Room 12, a channel 13 and a transmission channel 14, first air chamber 11 extend through the first of the cylinder 10 with second air chamber 12 The end 102 of end 101 and second, the passage 13 are arranged between first air chamber 11 and second air chamber 12 and connect first air chamber 11 are located at the first end 101 of the cylinder 10 with second air chamber 12, the passage 13, and the transmission channel 14 is adjacent to first air chamber 11 Simultaneously it is somebody's turn to do through the end 102 of first end 101 and second of the cylinder 10, the transmission channel 14 connection side away from second air chamber 12 Pressure gauge 70.

The piston group 20 includes a first piston 21, a second piston 22, one first slide bar 23 and one second slide bar 24, should First piston 21 is slidedly arranged on first air chamber 11, and the second piston 22 is slidedly arranged on second air chamber 12, and the first piston 21 is with being somebody's turn to do Second piston 22 can synchronously slide, and the first piston 21 will not cover the passage 13 with the second piston 22, first cunning Bar 23 connects the first piston 21 and slideably wears the cover piece 30, and second slide bar 24 connects the second piston 22 and can slided The cover piece 30 is worn dynamicly.The first piston 21 includes one first annular groove 211, and first annular groove 211 is located on the first piston 21 outer peripheral edges away from the one end of the first slide bar 23, the second piston 22 include one second annular groove 221, the ring of the second annular groove 221 Located at outer peripheral edge of the second piston 22 away from the one end of the second slide bar 24.

The piston group 20 further includes a first piston ring 25, a second piston ring 26, one first supports against ring 27,1 second By ring 28 and leader 29, the first piston ring 25 is sheathed on first annular groove 211, the second piston ring 26 be sheathed on this second Annular groove 221, the first piston ring 25 are slidably received against inwall of the cylinder 10 adjacent to first air chamber 11, the second piston ring 26 are slidably received against inwall of the cylinder 10 adjacent to second air chamber 12, and the first piston ring 25 and the second piston ring 26 Can be reciprocatingly slided between the passage 13 and the base group 40, this first against ring 27 be arranged first slide bar 23 and against this First piston 21, this second is arranged second slide bar 24 and against the second piston 22 against ring 28, this first against ring 27 with This second can be against the cover piece 30 against ring 28, and the handle 29 connects first slide bar 23 with second slide bar 24 and with this First piston 21 and the second piston 22 slid relative to the cylinder 10 and can be against the cover piece 30 in contrast to the cylinder 10 One end.

The cover piece 30 includes one first extending portion 31 and one second extending portion 32, first extending portion 31 be placed in this first Air chamber 11, second extending portion 32 are placed in second air chamber 12, this first against ring 27 can against first extending portion 31, This second can be against second extending portion 32 against ring 28.In the present embodiment, first extending portion 31, first air chamber 11 One first space A1, second extending portion 32, second air chamber 12 and the second piston 22 are formed between the first piston 21 Between form a second space A2.

The base group 40 includes a body 41 and a plate 42, and the body 41 connects the cylinder 10, the plate 42 against this Adjacent to the side of first air chamber 11, the plate 42 is located between the cylinder 10 and the body 41 cylinder 10, in the present embodiment, One the 3rd space A3 is formed between the plate 42, first air chamber 11 and the first piston 21.The body 41 includes a linking part 411st, one first projection 412, one second projection 413 and one the 3rd projection 414, first projection 412 with this second Projection 413 is respectively arranged at the opposite end of linking part 411, and the 3rd projection 414, which links the linking part 411 and is located at, to be somebody's turn to do Between first projection 412 and second projection 413, and first projection 412 forms a shoulder adjacent to each runner group 50 4121, first projection 412 is placed in second air chamber 12, and the 3rd projection 414 is placed in the transmission channel 14, Yu Ben In embodiment, one the 4th space A4 is formed between first projection 412, second air chamber 12 and the second piston 22.The plate Part 42 includes a perforation 421, and the perforation 421 is through the opposite end of plate 42 and connects the 3rd space A3, extraneous gas energy It is enough to enter the 3rd space A3 via the perforation 421.

The each runner group 50 includes a gas channel 51 and a check valve 52, and the gas channel 51 is simultaneously unidirectional through the body 41 Ground connects second air chamber 12, and the check valve 52 is placed in the gas channel 51.The gas channel 51 include a first paragraph 511, One 512,1 the 3rd section 513 of second segment and one the 4th section 514, the second segment 512 is located at the first paragraph 511 and the 3rd section 513 Between and interconnect, the first paragraph 511 wears first projection 412, and first projection 412 is adjacent to the first paragraph 511 inner edge forms the shoulder 4121, and the first paragraph 511 houses the check valve 52 and uniaxially connects second air chamber 12, should Second segment 512 wears the linking part 411, wears second projection 413 for the 3rd section 513 and connects the inflation group 60, and this Wear the 3rd projection 414 for four section 514, the 4th section 514 between the first paragraph 511 and the second segment 512 and connects The transmission channel 14 and the second segment 512.The check valve 52 includes a valve element 521 and an elastic component 522, and the valve element 521 is with being somebody's turn to do Elastic component 522 is placed in the first paragraph 511, and the opposite end of elastic component 522 respectively elastically supports the valve element 521 and this Body 41 is adjacent to the inner edge of the gas channel 51 so that and the valve element 521 flexibly supports the shoulder 4121, and the of the gas channel 51 Uniaxially connect the 4th space A4 for one section 511.

The inflation group 60 includes a charging connector 61, a tracheae 62 and a nut 63, and the opposite end of tracheae 62 connects respectively Second projection 413 and the charging connector 61, the 3rd section 513 of the gas channel 51 wear the tracheae 62 and second projection 413, the charging connector 61 connects the 3rd section 513 of the gas channel 51 and can connect object to be inflatable, and the nut 63 is arranged at this Simultaneously spiral shell is located at second projection 413 for the one end of tracheae 62 away from the charging connector 61.

Continue with reference to figure 3 to Fig. 6.When the first piston 21 moves with the second piston 22 toward the first end 101 of the cylinder 10 When dynamic, the gas for being placed in first space A1 enters second space A2 and with being placed in the second space via the passage 13 A2 gas together uniaxially enters the 4th space A4, and outside gas enters the 3rd space A3.When the first piston 21 The first end 101 that the cylinder 10 is continued towards with the second piston 22 is moved to this first against ring 27 against first extending portion 31, and this second against ring 28 against second extending portion 32 when, the first piston 21 and the second piston 22 will not cover this Passage 13.When the first piston 21 and the second piston 22 move toward the direction at the second end 102 of the cylinder 10, this is placed in Gas in 4th space A4 pushes against the valve element 521 uniaxially by the check valve 52, continues into the gas channel 51 simultaneously The 3rd section 513 and the 4th section 514 are branched to, is placed in the 3rd section 513 of gas by the charging connector 61, and enters and treats Inflatable substrate, it is placed in the 4th section 514 of gas and continues by the transmission channel 14 to enter the pressure gauge 70, outside gas Enter the 3rd space A3 via the perforation 421 of the plate 42 and the gas with being placed in the 3rd space A3 together uniaxially enters Enter the first space A1 and second space A2.

In summary, pump-up device of the present invention has advantages below：

1. when the first piston 21 and the second piston 22 move toward the first end 101 of the cylinder 10, be placed in this One space A1 gas enters second space A2 via the passage 13 and the gas with being placed in second space A2 is together single Enter the 4th space A4 to ground, outside gas enters the 3rd space A3.When the first piston 21 and the second piston 22 When being moved toward the second end 102 of the cylinder 10, the gas being placed in the 4th space A4 pushes against the valve element 521 and uniaxially led to Cross the check valve 52, continue into the gas channel 51 and branch to the 3rd section 513 and the 4th section 514, be placed in this Three section 513 of gas is placed in the 4th section 514 of gas and continued by the transmission channel 14 to enter by the charging connector 61 The pressure gauge 70, outside gas enter the 3rd space A3 and with being placed in the 3rd sky via the perforation 421 of the plate 42 Between A3 gas together uniaxially enter the first space A1 and second space A2.So that the gas output of pump-up device of the present invention For the summation of the first space A1 gas volume and second space A2 gas volume, when user be intended to inflate it is tubeless voluntarily During wheel, charging connector 61 is connected into tire, then elapses the handle 29 of the piston group 20, and cause the first piston 21 with this Two pistons 22 reciprocally slide respectively, and pump-up device of the invention exports larger tolerance and promptly props up cover tire, and then Make cover tire and wheel frame closely sealed, and can will enter tubeless bicycle quick easily and inflate.

2. being arranged at by the passage 13 between first air chamber 11 and second air chamber 12 and positioned at the of the cylinder 10 One end 101 so that the distance between first air chamber 11 and second air chamber 12 is shorter, and then reduces the volume of the cylinder 10.

It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand, In the case where not departing from the spirit and scope that claims appended below is limited, many modifications can be made, are changed, or wait Effect, but fall within protection scope of the present invention.

Claims

A kind of 1. pump-up device, it is characterised in that including：

One cylinder, it has an opposite first end with one second end and including one first air chamber, one second air chamber and a channel, The channel-connectivity first air chamber and second air chamber；

One piston group, it includes a first piston and a second piston, and the first piston is slidedly arranged on first air chamber, second work Plug is slidedly arranged on second air chamber, and the first piston can synchronously slide with the second piston；

One cover piece, it is arranged at the first end of the cylinder, and one first is formed between the cover piece, first air chamber and the first piston Space, a second space is formed between the cover piece, second air chamber and the second piston；

One base group, it is arranged at the second end of the cylinder, and one is formed between the base group, first air chamber and the first piston 3rd space, one the 4th space is formed between the base group, second air chamber and the second piston；

One each runner group, it includes a gas channel and a check valve, and the gas channel uniaxially connects the 4th space, and this is unidirectional Valve is placed in the gas channel；

One charging connector, it connects the gas channel and can connect object to be inflatable；

When the first piston and the second piston move toward the first end of the cylinder, be placed in the gas in first space via The passage enters the second space and the gas with being placed in the second space together uniaxially enters the 4th space, outside gas Body enters the 3rd space；When the first piston and the second piston move toward the second end of the cylinder, the 4th is placed in Gas unidirectional in space by the check valve, and via the gas channel by the charging connector, and enter object to be inflatable, outside Portion's gas via the 3rd space and be placed in the gas in the 3rd space together uniaxially enter first space with this Two spaces.
2. pump-up device as claimed in claim 1, it is characterised in that first air chamber extends through the vapour with second air chamber The first end of cylinder and the second end, the passage are located between first air chamber and second air chamber and are located at the first end of the cylinder, The piston group includes one first slide bar and one second slide bar, and first slide bar connects the first piston and slideably wears the lid Part, second slide bar connect the second piston and slideably wear the cover piece.
3. pump-up device as claimed in claim 2, it is characterised in that the cover piece stretches into including one first extending portion with one second Portion, first extending portion are placed in first air chamber, and second extending portion is placed in second air chamber, and the piston group includes one the One against ring and one second against ring, and this first sets first slide bar and against the first piston against ring set, this second against Ring set sets second slide bar and against the second piston, when the first piston and the second piston move toward the first end of the cylinder It is dynamic, and this is first against ring against first extending portion, this second against ring against second extending portion when, the first piston with The second piston will not cover the passage.
4. pump-up device as claimed in claim 3, it is characterised in that the first piston includes one first annular groove, first ring Grooved ring is located at the outer peripheral edge of the first piston, and the second piston includes one second annular groove, and second annular groove is located on second work The outer peripheral edge of plug, the piston group include a first piston ring and a second piston ring, and the first piston ring set is located at first ring Groove, the second piston ring set are located at second annular groove, and the first piston ring is slidably received against the cylinder adjacent to first air chamber Inwall, the second piston ring is slidably received against inwall of the cylinder adjacent to second air chamber, and the first piston ring with should Second piston ring can reciprocatingly slide between the passage and the base group.
5. pump-up device as claimed in claim 1, it is characterised in that the base group includes a plate, and the plate is against the vapour Cylinder is simultaneously perforated including one, and the perforation is through the plate opposite end and connects the 3rd space.
6. pump-up device as claimed in claim 2, it is characterised in that the piston group includes leader, the handle connect this One slide bar is with second slide bar and as the first piston and the second piston can be against the lids relative to cylinder sliding The one end of part in contrast to the cylinder.
7. the pump-up device as any one of claim 1 to 6, it is characterised in that the base group includes a body, the gas Circulation road through the body and including a first paragraph, a second segment and one the 3rd section, the second segment be located at the first paragraph and this Between three sections and interconnect, the first paragraph houses the check valve and uniaxially connects the 4th space, and the 3rd section of connection should Charging connector.
8. pump-up device as claimed in claim 7, it is characterised in that the body include a linking part, one first projection with One second projection, first projection are respectively arranged at the linking part opposite end with second projection, first projection Portion is placed in second air chamber, and the first paragraph wears first projection, and the second segment wears the linking part, and an inflation group includes The charging connector, a tracheae and a nut, the tracheae opposite end connect second projection and the charging connector respectively, and the air-flow leads to The 3rd section of road wears the tracheae and second projection, and the nut is arranged at the one end of the tracheae away from the charging connector and spiral shell is set In second projection.
9. pump-up device as claimed in claim 8, it is characterised in that first projection is formed adjacent to the inner edge of the first paragraph One shoulder, the check valve include a valve element and an elastic component, and the elastic component supports the valve element and so that the valve element is flexibly supported The shoulder.
10. pump-up device as claimed in claim 8, it is characterised in that including a pressure gauge, the pressure gauge links the cover piece, The cylinder includes a transmission channel, and the transmission channel connects the pressure gauge, and the gas channel includes one the 4th section, and the body includes One the 3rd projection, the 3rd projection link the linking part and between first projection and second projections, should 3rd projection is placed in the transmission channel, the 4th section wear the 3rd projection and connect the transmission channel with this second Section.