CN2727442Y

CN2727442Y - Push-and-pull double-chamber single charging inflator

Info

Publication number: CN2727442Y
Application number: CN 200420053790
Authority: CN
Inventors: 侯建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-14
Filing date: 2004-09-14
Publication date: 2005-09-21
Anticipated expiration: 2014-09-14

Abstract

Disclosed is a push-and-pull double-chamber single charging inflator, mainly solving the problem of low charging efficiency. The inflator is divided into an upper inflator and a lower inflator fixed as an integral by a fixed support of the low-pressure chamber. The lower end of the inflator and the upper end of the lower inflator are both provided with an air intake guide ring. A cavity is arranged in the plenum chamber piston assembly with both ends provided with the air intake valve assembly and the middle section provided with the air exhaust opening. The external wall of the middle section of the plenum chamber is provided with a spacing structure in movable fit with the end of the pressure rod. The handle is a lever structure formed of the long arm and the short arm of the pressure rod combined integrally by the pressure rod bracket. The inflator is labor saving in that the handle is designed into a lever structure. No matter the double-pressure piston air chamber assembly moves up or down, the air in one low-voltage chamber is always in compression, provides compressed air for the plenum chamber and inflates the tyre uninterruptedly. The utility model is used for inflating tyres of bicycle, motorcycle and automobile.

Description

The push-and-pull double-chamber single charging inflator

Affiliated field

The utility model relates to a kind of device that is used for to bicycle, motorcycle, automobile tyre inflation, is specially the push-and-pull double-chamber single charging inflator.

Background technique

Existing pump all is single inflations of pressing, and upwards mentions handle, and ambient atmos enters in the inflator, and push handle is downwards discharged behind the gas pressurized tire etc. is inflated, its shortcoming be take a lot of work, time-consuming, inflation is slow.

Summary of the invention

In order to address the above problem, the purpose of this utility model provides a kind of push-and-pull double-chamber single charging inflator, and it is laborsaving, save time, aeration speed is fast.

The technical solution of the utility model is: the push-and-pull double-chamber single charging inflator, it mainly contains handle, inflator, bearing, piston assembly composition, it is characterized in that described inflator is divided into inflator and following inflator, the inflator lower end was cecum under last inflator top reached, and following inflator lower end connects bearing; The low pressure chamber fixed support will go up that inflator and following inflator fix as one and retainer shaft to concentric; Be equipped with in the upper end of the lower end of last inflator and following inflator and match with plenum chamber piston assembly appearance and have the air inlet navigation of many air clefts to enclose, the plenum chamber piston assembly is provided with cavity, its two end part are equipped with the air intake valve assembly that matches with cylinder inner wall, and the middle part is provided with the relief opening that is communicated with aforementioned cavity; Described air intake valve assembly is arranged on the outer O type one-way sealing circle of piston and places the duplex one-way cock in the high pressure air locular wall to form by placing the outer piston of high pressure air locular wall; Be provided with and the movable limit structure that cooperates in press rods galianconism termination at plenum chamber middle part outer wall; Described handle is formed one by press rods is long-armed with the press rods galianconism, and press rods support lower end is fixed on the bearing, and the upper end is hinged on the long-armed and press rods galianconism junction point of press rods.

During use, the press rods of push handle is long-armed, then press rods galianconism end is up, and two pressure piston air chamber assemblies are up thereupon, and the O type one-way sealing in the last inflator encloses seal action, close the gas circuit between high pressure air locular wall and the last cylinder inner wall, because last low pressure indoor gas pressurized, pressure raise, cause the outside valve open of duplex one-way cock, air under pressure enters plenum chamber from valve, and enter tire through relief opening, finish gas replenishment process.At this moment, the O type one-way sealing circle seal action in the following inflator is removed, and the gas circuit between high pressure air locular wall and the following cylinder inner wall is unimpeded, and ambient atmos enters down in the inflator.

Handle arrives when upwards pulling back after bottom dead center, two pressure piston air chamber assemblies are descending thereupon, this is the interior gas pressurized of low pressure chamber at present, pressure raises, causes the outside valve open of duplex one-way cock, air under pressure enters plenum chamber from valve, and enter tire through relief opening, finish gas replenishment process.Last low pressure chamber is then finished ambient atmos and is entered process.

The beneficial effects of the utility model are: because its handle is set to lever construction, thereby very laborsaving.Two pressure piston air chamber assemblies no matter be up or or descending, the gas pressurized in the low pressure chamber is always arranged and provides pressurized air, thereby can not be interrupted, thereby improved charging efficiency through the gas that exhaust port flows to tire to plenum chamber.

Description of drawings

Fig. 1 is a main TV structure schematic representation of the present utility model.

Fig. 2 is two piston air chamber assembly enlarged view of pressing of the present utility model.

Fig. 3 is an air inlet navigation coil structures enlarged diagram of the present utility model.

Among the figure: low pressure chamber on one, 4 plenum chamber piston assemblies, 5 air intake valve assemblies one, 6 handles, 7 relief openings, 8,9 air intake valve assemblies two, 10 air inlets navigation circle, two, 11 plenum chambers, 12 press rods supports, 13 low pressure chamber fixed supports, long-armed, the 15 press rods galianconism of 14 press rods are enclosed in 1 bearing, 2 times low pressure chambers, 3 air inlets navigation.

Embodiment

As shown in Figure 1.The push-and-pull double-chamber single charging inflator, it mainly contains handle, inflator, bearing, piston assembly etc. and partly forms.

Described inflator is divided into inflator and following inflator.The inflator lower end was cecum under last inflator top reached, and following inflator lower end connects bearing 1; Low pressure chamber fixed support 13 will go up that inflator and following inflator fix as one and retainer shaft to concentric.Be respectively equipped with in the upper end of the lower end of last inflator and following inflator and match with plenum chamber piston assembly 4 appearances and have air inlet navigation circle 1, the air inlet navigation of many air clefts to enclose 2 10.As Fig. 3, the effect of air inlet navigation circle not only is used for relative movement navigation between plenum chamber piston assembly 4 and the inflator, and many air clefts of table also have in inflator tonifying Qi and reduce the effect of negative pressure in it.

See Fig. 2, be provided with cavity in the plenum chamber piston assembly 4, its two end part are equipped with air intake valve assembly 1, the air intake valve assembly 29 that matches with cylinder inner wall, and the middle part is provided with the relief opening 7 that is communicated with aforementioned cavity.Described air intake valve assembly 4 is arranged on the outer O type one-way sealing circle of piston and places the duplex one-way cock in the high pressure air locular wall to form by placing the outer piston of plenum chamber 11 walls.Its effect of O type one-way sealing circle and structure make peace greatly " leather cup " that have pump now identical, the duplex one-way cock is that a column integrated member places in the high pressure air locular wall, be provided with gas circuit in the middle of the column integrated member, the two ends of gas circuit are provided with two valves, two valves can link and open or close simultaneously, also can one close and another is nature.

Be provided with and the movable limit structure that cooperates in press rods galianconism 15 terminations at plenum chamber 11 middle part outer walls, this limit structure makes when circular motion is done in press rods galianconism 15 terminations and plenum chamber piston assembly 4 does reciprocating linear motion, and this kind motion structure is more common in the prior art.Described handle 6 is formed one by press rods long-armed 14 and press rods galianconism 15, and press rods support 12 lower ends are fixed on the bearing 1, and the upper end is hinged on the long-armed and press rods galianconism junction point of press rods.Constitute lever construction thus.

During use, the press rods of push handle long-armed 14, then press rods galianconism 15 ends are up, and two pressure piston air chamber assemblies 4 are up thereupon, and the O type one-way sealing in the last inflator encloses seal action, close the gas circuit between high pressure air locular wall and the last cylinder inner wall, because gas pressurized in the last low pressure chamber 8, pressure raise, cause the outside valve open of duplex one-way cock, air under pressure enters plenum chamber 11 from valve, and enter tire through relief opening 7, finish gas replenishment process.At this moment, the O type one-way sealing circle seal action in the following inflator is removed, and the gas circuit between high pressure air locular wall and the following cylinder inner wall is unimpeded, and ambient atmos enters down in the inflator.

Handle arrives when upwards pulling back after bottom dead center, two pressure piston air chamber assemblies 4 are descending thereupon, this is the gas pressurized in the low pressure chamber 2 at present, pressure raises, causes the outside valve open of duplex one-way cock, air under pressure enters plenum chamber 11 from valve, and enter tire through relief opening 7, finish gas replenishment process.Last low pressure chamber 8 is then finished ambient atmos and is entered process.

Claims

1, push-and-pull double-chamber single charging inflator, it mainly contains handle, inflator, bearing, piston assembly composition, it is characterized in that described inflator is divided into inflator and following inflator, and the inflator lower end was cecum under last inflator top reached, and following inflator lower end connects bearing; The low pressure chamber fixed support will go up that inflator and following inflator fix as one and retainer shaft to concentric; Be equipped with in the upper end of the lower end of last inflator and following inflator and match with plenum chamber piston assembly appearance and have the air inlet navigation of many air clefts to enclose, the plenum chamber piston assembly is provided with cavity, its two end part are equipped with the air intake valve assembly that matches with cylinder inner wall, and the middle part is provided with the relief opening that is communicated with aforementioned cavity; Described air intake valve assembly is arranged on the outer O type one-way sealing circle of piston and places the duplex one-way cock in the high pressure air locular wall to form by placing the outer piston of high pressure air locular wall; Be provided with and the movable limit structure that cooperates in press rods galianconism termination at plenum chamber middle part outer wall; Described handle is formed one by press rods is long-armed with the press rods galianconism, and press rods support lower end is fixed on the bearing, and the upper end is hinged on the long-armed and press rods galianconism junction point of press rods.