CN2851637Y

CN2851637Y - Portable gas-charging machine for tyre

Info

Publication number: CN2851637Y
Application number: CNU2005200600295U
Authority: CN
Inventors: 杨琪
Original assignee: Individual
Current assignee: DONGGUAN RUIKE ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2005-06-17
Filing date: 2005-06-17
Publication date: 2006-12-27
Anticipated expiration: 2015-06-17
Also published as: US20080199324A1; JP3144319U; WO2006133603A1

Abstract

The utility model relates to an air compressor which particularly relates to a portable air-charging machine for tires, which comprises an upper cover of a housing and a lower cover of a housing which are mutually fastened, pressure meters which are arranged in the corresponding hole grooves of the top ends of the upper cover of a housing and the lower cover of a housing, a switch, an accessory cover, and electric motors which are arranged in the upper cover of a housing and the lower cover of a housing, wherein the internal walls of the upper cover of a housing and the lower cover of a housing are also symmetrically provided with supporting pads; the pressure meters of the utility model are accessed into a cylinder cover by a connecting component; the cylinder cover is accessed into an integral bracket cylinder by a sealing component; gears of the electric motors which are sheathed by output shafts of the electric motors are engaged on a gear transmission mechanism, the tail end of which is sheathed with a piston through a piston shaft. On the basis of not increasing the power and using new materials and new technology and increasing the work efficiency of the gas-charging machine, the structure of the gas-charging machine is simplified.

Description

Portable tyre inflater

Technical field

The utility model relates to a kind of air compressor, particularly relates to a kind of portable tyre inflater.

Background technique

At present, the miniature inflator that spreads on the market is constantly to be developed by small-sized air compressor.It is owing to cheap and purposes extensively develop rapidly, be widely used in sedan car, small-sized passenger-cargo carriage, rubber boat, air bed, various ball inflatable tools, in its development development, owing to be subjected to the constraint of car accumulator power, its basic parameter such as electric power, fill tire time, maximum current, maximum pressure value and be restricted always.

The model utility content

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art and provide a kind of and do not increase power, adopt new material, new process, on the basis of improving the inflator working efficiency, simplify the inflator structure, expand the portable tyre inflater of attach feature.

The purpose of this utility model can reach by following measure:

This portable tyre inflater, comprise: the mutual outer casing upper cover that fastens, the shell lower cover, place outer casing upper cover, pressure gauge in the corresponding hole slot in shell lower cover top, switch and attachment head and place outer casing upper cover, motor in the shell lower cover, outer casing upper cover, shell lower cover inwall also is arranged with Support cushion, its special way is: pressure gauge inserts cylinder head through its connection part, cylinder head inserts the integral type bracket gas cylinder through a Sealing, the motor gear of motor output shaft suit is engaged in counterweight type gear drive, and the tail end of gear drive is equipped with piston through piston sleeve.

The purpose of this utility model can also reach by following measure:

The connecting base that the pressure gauge connection part is convexly equipped with by the pressure gauge bottom, the integrated cylinder type seal groove in this connecting base bottom, connecting base inserts after the cylinder head and between it seal ring of suit form.

The integral type bracket gas cylinder by the piston of inserting in cylinder, the cylinder, the cylinder end outer wall is one-body molded and protrude out the lug that is provided with screw hole and form with the cylinder axle center vertical Γ of being convexly equipped with shape support, Γ shape cantilever tip and the integrated triangle stiffening rib of cylinder outer wall, the upper and lower motor output shaft trepanning of offering respectively of Γ shape support, gear drive transmission shaft trepanning, motor output shaft trepanning two ends symmetry.

Gear drive is provided with one by camshaft, the movable rod of this camshaft end suit, the movable rod end of setting-in in the trepanning that is convexly equipped with outside the reduction gear of transmission shaft suit, its center of circle and vertically with movable rod is used for that piston fastens after piston shaft wears the positioning hole of location forms.

The utility model has following advantage compared to existing technology:

1, courageously adopts support and cylinder integral structure, both can improve the integrity of compressor, increase structural strength, can reduce weight again, reduce production costs, dwindle inner structure size, make portable tyre inflater compact volume and convenience more.

2, break through traditional design, ingenious cam and big driving gear are made as one, and change traditional engineering plastics gear into powder metallurgical gear.

3, the traditional independently bearing of cancellation is paid structure, and connecting rod adopts the oil-containing metallic sintered products, further reduces production costs.

4, pressure gauge utilizes the O RunddichtringO, adopts the way of radial seal, utilizes the impacting force of shell simple and reliablely, and pressure gauge connection is sealed.

Description of drawings

Fig. 1 is an assembling schematic representation of the present utility model.

Fig. 2 is the structural representation of the utility model integral type bracket gas cylinder.

Fig. 3 is the structural representation of the utility model gear drive.

Fig. 4 is the structural representation of the utility model pressure gauge connection part.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

See also accompanying drawing, this portable tyre inflater comprises: the mutual outer casing upper cover 11 that fastens, shell lower cover 12, place outer casing upper cover 11, shell lower cover 12 top corresponding apertures 13, corresponding groove 14, pressure gauge 2 in the corresponding aperture 15, switch 31 and attachment head 32 and place outer casing upper cover 11, motor 4 in the shell lower cover 12, outer casing upper cover 11, shell lower cover 12 inwalls also are arranged with Support cushion 33, described pressure gauge 2 inserts cylinder head 5 through its connection part, cylinder head 5 inserts the integral type bracket gas cylinder through a seal ring 51, the sheathed motor gear 41 of motor output shaft is engaged in gear drive, and the tail end of gear drive is set with piston 8 through piston shaft 81.

Sheathed seal ring 213 in the cylinder type seal groove 212 that the connecting base 211 that the pressure gauge connection part is convexly equipped with by pressure gauge 2 bottoms, connecting base 211 end one are extended, be set in offer on spring 215 on the spring seat 214, the cylinder head 5 the counterparty's connected in star (not shown), cylinder head 5 sidewalls that are used for ccontaining square connecting base 211 offer perpendicular and have the connecting tube 51 of gas-tpe fitting 52, the seal ring 216 that is set on the spring seat 214 is formed.

The integral type bracket gas cylinder by the piston 8 of inserting in cylinder 61, the cylinder 61, cylinder 61 bottom outer walls are one-body molded and protrude out the lug 65 that is provided with screw hole 651 and form with the cylinder axle center vertical Γ of being convexly equipped with shape support 62, Γ shape support 62 tops and the integrated triangle stiffening rib 63 of cylinder 61 outer walls, the Γ shape support 62 upper and lower motor output shaft trepannings of offering respectively 64, gear drive transmission shaft trepanning 66, motor output shaft trepanning 64 two ends symmetries.

Gear drive is provided with one by camshaft 74, the movable rod 75 of these camshaft 74 end suits, movable rod 75 ends of setting-ins in the trepanning 73 that is convexly equipped with outside the reduction gear 72 of transmission shaft 71 suits, its center of circle and vertically with movable rod 75 is used for piston 8 fastenings after piston shaft 81 wears the positioning hole 76 of location forms.

When needing inflation, starting electrical machinery 4, the sheathed motor gear 41 of motor output shaft drives reduction gear 72 rotations, the camshaft 74 that connects on the reduction gear 72 drives piston 8 works done of inserting in the cylinder 61 through the transmission of movable rod 75, and the connecting tube 51 that its pressurized gas is offered through cylinder head 5 sidewalls inserts all kinds of air bag products inflations through its end gas-tpe fitting 52.

The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.

Claims

1, a kind of portable tyre inflater, comprise: the mutual outer casing upper cover that fastens, the shell lower cover, place outer casing upper cover, pressure gauge in the corresponding hole slot in shell lower cover top, switch and attachment head and place outer casing upper cover, motor in the shell lower cover, outer casing upper cover, shell lower cover inwall also is arranged with Support cushion, it is characterized in that: pressure gauge inserts cylinder head through its connection part, cylinder head inserts the integral type bracket gas cylinder through a Sealing, the motor gear of motor output shaft suit is engaged in counterweight type gear drive, and the tail end of gear drive is equipped with piston through piston sleeve.

2, portable tyre inflater according to claim 1 is characterized in that: the connecting base that the pressure gauge connection part is convexly equipped with by the pressure gauge bottom, the integrated cylinder type seal groove in this connecting base bottom, connecting base inserts after the cylinder head and between it seal ring of suit form.

3, portable tyre inflater according to claim 1 is characterized in that: the integral type bracket gas cylinder by the piston of inserting in cylinder, the cylinder, the cylinder end outer wall is one-body molded and protrude out the lug that is provided with screw hole and form with the cylinder axle center vertical Г of being convexly equipped with shape support, Г shape cantilever tip and the integrated triangle stiffening rib of cylinder outer wall, the upper and lower motor output shaft trepanning of offering respectively of Г shape support, gear drive transmission shaft trepanning, motor output shaft trepanning two ends symmetry.

4, portable tyre inflater according to claim 1 is characterized in that: gear drive is provided with one by camshaft, the movable rod of this camshaft end suit, the movable rod end of setting-in in the trepanning that is convexly equipped with outside the reduction gear of transmission shaft suit, its center of circle and vertically with movable rod is used for that piston fastens after piston shaft wears the positioning hole of location forms.