CN2476436Y - Inflator mounted under saddle - Google Patents

Abstract

The utility model relates to an inflator hiding between a saddle and vehicle supporting pipes. The current saddle inflator has a one-way valve of low strength and poor seal, which causes taking longer aeration time and easily broken. The utility model comprises a saddle and a saddle bracket and the inflator, which is characterized in that the one-way comprises a valve body, a valve closure, a valve core and a spring; the valve closure with a through hole is spirally connected with a hollow valve body; the valve core is positioned in an inner cavity of the valve body through the valve closure, the spring is arranged on the valve core; both ends of the valve core respectively support the valve core and the valve closure, which enable the inflator sealed well, forming advantages of higher pressure, fast inflation and duration.

Description

Inflator mounted under saddle

The utility model relates to a kind of Inflator mounted under saddle, particularly a kind of hidden inflator between saddle and vehicle support tube.

Inflator mounted under saddle is a kind of can the use and reasonably hidden under saddle and the Floor Pump in the vehicle frame with car, is widely used in the inflation of vehicles such as bicycle, three-wheel vehicle, mini-motorcycle, motor bike.It is made up of Floor Pump, saddle and Pillar for saddle, and wherein Floor Pump comprises handle, pull bar, cylinder cover, Inner outer tube, piston, check valve, outlet nozzle etc.The check valve of existing Inflator mounted under saddle adopts Plastic Parts as valve member, combine the formation spool with the India rubber tube that is nested with on valve body.The similar valve inside of the spool of this structure relies on India rubber tube to finish inflation with cooperating of valve body.Though its structure is simpler, intensity is low, leak tightness is poor, is difficult to form higher air pressure, and inflationtime is long; Inflation can make simplified temperature build-up for a long time, thereby can make the aging or distortion of India rubber tube of check valve, loses the unidirectional ventilatory function of " check valve ", the gas filed purpose of out of reach.An existing movable saddle normally end and Pillar for saddle is coupling, and the other end makes saddle tail end and Pillar for saddle tail end vertically fixing by screw.Because jolting in the vehicle ', vertical screw is very easily loosening, and it is unreasonable that saddle is connected with Pillar for saddle, poor stability.

The purpose of this utility model is to solve the defective of above-mentioned prior art, provides a kind of and can form than anticyclonic pressure, short, the resistant to elevated temperatures Inflator mounted under saddle of inflationtime.Further purpose of the present utility model is to make the attachment security of saddle and Pillar for saddle reliable.

The utility model is achieved in that Inflator mounted under saddle, comprise pull bar, the handle of pull bar upper end, be connected the piston of pull bar bottom, cylinder cover, outer tube, place the interior pipe of outer tube bore Inner, be positioned at the check valve of Inner pipe lower end, outer channel closure, be arranged on the outlet nozzle on the cylinder cover, be connected Pillar for saddle and saddle on the outer tube, it is characterized in that described check valve is by valve body, valve gap, spool and spring are formed, the valve gap and the hollow valve body that have through hole are spirally connected, spool passes valve gap and is positioned at body cavity, spring is nested with on spool, its two ends are supported on spool and valve gap respectively, make inflator when work, have better seal, can form higher air pressure and inflate fast advantage.In addition, check valve adopts steel, and is durable in use.

Described Inflator mounted under saddle, the top of spool is tapered, and the bottom is cylindrical; A through hole is opened on valve body top, a valve opening is opened in the bottom, the through-hole aperture of valve body is less than the diameter of spool top cone, the valve opening aperture is greater than the diameter of this cone, the diameter of spool lower cylindrical is less than the through-hole aperture of valve gap, makes spool have better seal in valve body and is convenient to its crank motion in the valve body hollow bulb.

Described Inflator mounted under saddle, inflator outer tube upper end is provided with flange, and cylinder cover is connected with flange by bolt, and seal ring is established in the junction of cylinder cover and flange, and seal ring is established in the junction of cylinder cover and outlet nozzle, has guaranteed the inflator better seal.

Described Inflator mounted under saddle, anterior and the Pillar for saddle loose joint of saddle, its bottom is provided with reinforced rib, afterbody is established a upper fastener, the Pillar for saddle afterbody is established a lower fastener, two fasteners laterally connect by screw, and described screw is ingot-shaped makes saddle more reasonable with being connected of Pillar for saddle, have improved convenience and safety when saddle uses.

Described Inflator mounted under saddle, the outlet nozzle that is positioned at the inflator upper end connects a gas piping that can be coiled on the inflator outer tube, and gas piping connects gas folder, and gas piping and gas folder is hidden under the saddle, does not affect the appearance.

The utility model has improved the structure of check valve, has improved pressure and leak tightness in the inflator, has shortened inflationtime, has prolonged the service life of check valve.In addition, it makes being connected more rationally of saddle and Pillar for saddle, safety.

Below in conjunction with Figure of description the utility model is further described.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a part-structure enlarged drawing among Fig. 1.

As shown in Figure 1, 2, Inflator mounted under saddle comprise hidden pull bar 2, pull bar upper end under saddle handle, cylinder cover 3, outer tube 5, interior pipe 6, be connected the pull bar bottom piston 7, be nested with at the piston ring on the piston 8, be positioned at check valve 9, the outer channel closure 10 of managing the lower end, be arranged on outlet nozzle 17, saddle 18 and Pillar for saddle 13 on the cylinder cover.Check valve 9 is made up of valve body 91, valve gap 94, spool 92 and spring 93, and the valve gap 94 that has through hole 24 is spirally connected with hollow valve body 91, and spool 92 passes valve gap and is positioned at valve cavity, and spring 93 is nested with on spool, and its two ends are supported on spool and valve gap respectively.The top of spool 92 is cone, and the bottom is a valve rod.A through hole 22 is opened on valve body 91 tops, and the bottom is opened a valve opening 23, two holes and communicated, and through hole 22 apertures of valve body are less than the diameter of spool top cone, and valve opening 23 apertures are greater than the diameter of this cone, and the diameter of spool lower cylindrical is less than through hole 24 apertures of valve gap.Cylinder cover 3 is connected with the flange 4 of inflator by 4 bolts 15, and cylinder cover 3 is established seal ring 14 with the junction of flange 4, and cylinder cover 3 is established seal ring 16 with the junction of outlet nozzle 17.Saddle 18 bottoms are provided with two reinforced ribs, make handle avoid crushing.The saddle afterbody is established a upper fastener 19, and Pillar for saddle 13 afterbodys are established a lower fastener 20, two fasteners and connected by horizontal screw 21, and described screw is ingot-shaped.The outlet nozzle 17 that is positioned at the inflator upper end connects a gas piping 12, and gas piping connects gas folder 11, and gas piping can be coiled on the outer tube during normality, and gas is clipped on the saddle pillar.Outer channel closure 10 is welded on the bottom of outer tube, and the outer tube of inflator has replaced original saddle pipe, and the Pillar for saddle clamping is at outer tube.

During operation, as shown in Figure 1, loosen screw, open saddle, take off the gas folder that is clipped on the Pillar for saddle, it is connected with the admission piece of tire.Move on the moving piston of belt on the operating handle, the B chamber forms low-pressure state, A chamber air pressure raises, be nested with the lower surface of the piston ring butt seal groove on piston this moment, air in the A chamber enters the B chamber through the following breach of seal groove and piston, and check valve is in the better seal state under the effect of gas dome C air pressure and spring force; Operating handle presses down, the drive piston moves down, the upper ring surface of piston ring butt seal groove, A, B two chambeies are cut off gas circuit by piston ring, and the A chamber sucks atmosphere from the free gap of pull bar, simultaneously the air in the Piston Compression B chamber, after this air pressure reaches a certain value, the spool of band cone is backed down easily, and pressure air enters tire through check valve, gas dome C, outlet nozzle, the gentle folder of gas piping, finishes single job.After inflation finishes, gas piping is coiled in the upper end of inflator outer tube, gas is clipped on the Pillar for saddle.

Claims (6)

1, Inflator mounted under saddle, comprise pull bar (2), the handle (1) of pull bar (2) upper end, be connected the piston (7) of pull bar (2) bottom, cylinder cover (3), outer tube (5), place the interior pipe (6) in the outer tube bore, be positioned at the check valve (9) of pipe lower end, outer channel closure (1 0), be arranged on the outlet nozzle (17) on the cylinder cover (3), be connected Pillar for saddle (13) and saddle (18) on the outer tube, it is characterized in that described check valve (9) is by valve body (91), valve gap (94), spool (92) and spring (93) are formed, the valve gap (94) that has through hole (24) is spirally connected with hollow valve body (91), spool (92) passes valve gap and is positioned at body cavity, spring (93) is nested with on spool, and its two ends are supported on spool and valve gap respectively.

2, Inflator mounted under saddle as claimed in claim 1 is characterized in that the top of spool (92) is tapered, and the bottom is cylindrical.

3, Inflator mounted under saddle as claimed in claim 1, it is characterized in that valve body (91) top opens a through hole (22), a valve opening (23) is opened in the bottom, the through hole of valve body (22) aperture is less than the diameter of spool top cone, valve opening (23) aperture is greater than the diameter of this cone, and the diameter of spool lower cylindrical is less than through hole (24) aperture of valve gap.

4, Inflator mounted under saddle as claimed in claim 1, it is characterized in that inflator outer tube upper end is provided with flange (4), cylinder cover (3) is connected with flange (4) by bolt (15), and seal ring (14) is established in the junction of cylinder cover and flange, and seal ring (16) is established in the junction of cylinder cover and outlet nozzle.

5, Inflator mounted under saddle as claimed in claim 1, it is characterized in that anterior and Pillar for saddle (13) loose joint of saddle (18), its bottom is provided with reinforced rib, afterbody is established a upper fastener (19), Pillar for saddle (13) afterbody is established a lower fastener (20), two fasteners laterally connect by screw (21), and described screw (21) is ingot-shaped.

6, Inflator mounted under saddle as claimed in claim 1 is characterized in that the outlet nozzle (17) that is positioned at the inflator upper end connects a gas piping (12) that can be coiled on the inflator outer tube, and gas piping connects gas folder (11).

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