CN220267883U - Novel inflator - Google Patents

Abstract

The utility model relates to the technical field of daily necessities, and discloses a novel inflator. Including the hand handle, the lower extreme swing joint of hand handle has the piston rod, the lower extreme swing joint of piston rod has the piston, the lower extreme fixedly connected with first spring of piston, the lower extreme fixedly connected with fixed stopper of first spring, the inside swing joint of fixed stopper has the recoil ware, the outside swing joint of barrel has the fastener, the upper end fixedly connected with connector link of fastener, the upper end fixedly connected with holder of barrel, the inside cup joint of holder has the blast pipe, the lower extreme fixedly connected with gas holder of blast pipe, the lower extreme fixedly connected with base of gas holder. According to the utility model, the air in the tire can be prevented from being reversely input into the cylinder body during inflation, the inflation efficiency is increased, the operation of a user is convenient, the connecting piece enables the piston rod not to fall out to pollute hands when the piston rod is not used, and the coating film enables the abrasion resistance of the inflator to be better.

Description

Novel inflator

Technical Field

The utility model relates to the technical field of daily necessities, in particular to a novel inflator.

Background

A novel inflator is disclosed in the chinese patent CN208106684U, which proposes that the existing inflator cannot achieve improvement of the air intake amount, and has low air intake efficiency; the old inflator uses the cowhide bowl as the piston, when the cowhide softness is poor, the inflation tightness is poor, the friction force is large when the inflator is inhaled, and the inflator is easy to wear; the existing one-way valve is easy to cause problems in tightness and easy to discard the inflator;

although the above device solves and improves the problems posed by it, in practical applications the above device still has the following drawbacks:

(1) when the tire is used by a user, air in the tire can be reversely input into the cylinder body at some time, and the user can not perform the pumping work well at the moment, so that the pumping efficiency is reduced, the pumping is inconvenient and other adverse effects are caused;

(2) in addition, because the inflator is when not using, its inside piston rod can fall out sometimes and dirty hand and clothing, simultaneously, because the inside wearability of inflator is not very good, easily appears wearing and tearing etc. phenomenon, and the piston after wearing and tearing appears can lead to holistic pumping effect to become poor.

Aiming at the defects of the prior art, the utility model provides the novel inflator, which can prevent the air in the tire from being reversely input into the cylinder body during inflation, increases the inflation efficiency, is convenient for a user to operate, and ensures that the piston rod cannot fall out to pollute hands when not used, and the coating film ensures that the abrasion resistance of the inflator is better.

Disclosure of Invention

Technical scheme (one)

In order to achieve the above-mentioned object, the utility model provides the following technical scheme: the utility model provides a novel inflator, includes the hand shank, the lower extreme swing joint of hand shank has the piston rod, the lower extreme swing joint of piston rod has the barrel, the lower extreme swing joint of piston rod has the piston, the lower extreme of piston has cup jointed the sealing washer, the lower extreme fixedly connected with first spring of piston, the lower extreme fixedly connected with fixed plug of first spring, the inside swing joint of fixed plug has the recoil ware, the outside of recoil ware cup joints the second spring, the outside swing joint of barrel has the fastener, the upper end fixedly connected with connector link of fastener, the upper end fixedly connected with connecting piece of connector link, the outside fixedly connected with holder of barrel, the inside cup joint of holder has the gas supply pipe, the lower extreme fixedly connected with gas holder of gas supply pipe, the lower extreme fixedly connected with base of gas holder, the inside cup joint venthole of barrel, the outside fixedly connected with connecting pipe of venthole, the outside swing joint of sealing washer has the outsourcing tectorial membrane.

Preferably, the outer part of the fixed plug is movably connected with an outer coating film.

Preferably, the material of the outer coating film is wear-resistant rubber.

Preferably, the connecting piece is an elastic connecting rope.

(II) advantageous effects

Compared with the prior art, the utility model provides a novel inflator, which has the following beneficial effects:

this novel inflator when the user uses, presses the hand grip, through the cooperation of these structures of hand grip, piston, first spring, fixed stopper and recoil ware use, has prevented when inflating that the air in the tire from being input to the barrel in the reaction to reached the efficiency that has increased the pump, convenient user's effect of operation.

The novel inflator is matched with the fastener, the connecting buckle and the connecting piece, so that the piston rod can not fall out to pollute hands or clothes when the user does not use the inflator, through the cooperation of sealing washer, outsourcing tectorial membrane and fixed stopper use for the wearability of inflator reinforcing has reduced the inside probability of wearing and tearing that appears of barrel.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is a partial cross-sectional view of the barrel structure of the present utility model.

In the figure: 1. a hand press handle; 2. a piston rod; 3. a cylinder; 4. a piston; 5. a seal ring; 6. a first spring; 7. a fixed plug; 8. a backflushing device; 9. a second spring; 10. a fastener; 11. a connecting buckle; 12. a connecting piece; 13. a clamping member; 14. an air supply pipe; 15. a gas storage tank; 16. a base; 17. an air outlet hole; 18. a connecting pipe; 19. and (5) an outer coating film.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a novel inflator comprises a handle 1, a piston rod 2 is movably connected to the lower end of the handle 1, a cylinder 3 is movably connected to the lower end of the piston rod 2, a piston 4 is movably connected to the lower end of the piston rod 2, a sealing ring 5 is sleeved at the lower end of the piston 4, a first spring 6 is fixedly connected to the lower end of the piston 4, a fixed plug 7 is fixedly connected to the lower end of the first spring 6, an outer coating film 19 is movably connected to the outer part of the fixed plug 7, a recoil device 8 is movably connected to the inner part of the fixed plug 7, the recoil device 8 and the fixed plug 7 are used, the air in a tire is prevented from being reversely input into the cylinder 3 during inflation, the inflation efficiency is improved, the operation of a user is facilitated, a second spring 9 is sleeved at the outer part of the recoil device 8, a fastener 10 is movably connected to the outer part of the cylinder 3, the upper end fixedly connected with connector link 11 of fastener 10, the upper end fixedly connected with connecting piece 12 of connector link 11, connecting piece 12 is elastic connection rope, through the cooperation use of fastener 10, connector link 11 and connecting piece 12, when not using the inflator, make piston rod 2 can not fall out and pollute the hand, the outside fixedly connected with holder 13 of barrel 3, the inside cup joint of holder 13 has air pipe 14, the lower extreme fixedly connected with gas holder 15 of air pipe 14, the lower extreme fixedly connected with base 16 of gas holder 15, the inside cup joint of barrel 3 has venthole 17, the outside fixedly connected with connecting pipe 18 of venthole 17, the outside swing joint of sealing washer 5 has outer coating film 19, the material of outer coating film 19 is wear-resisting rubber, the wearability of inflator is strengthened, the probability of the inside wearing and tearing that appears of barrel 3 has been reduced.

Working process and principle: when the air storage device is used by a user, the hand press handle 1 is pressed, the piston 4 is driven to move downwards, the air flow ejects the backflushing device 8 from the air hole of the fixed plug 7, so that air in the air storage tank 15 flows outwards from the air supply pipe 14 to the air hole of the fixed plug 7, when the air storage device is not used, the hand press handle 1 is lifted by the user, the backflushing device 8 returns to the air hole of the fixed plug 7 again, the air hole is blocked, and accordingly, the air is prevented from being reversely input into the cylinder 3, and meanwhile, the connecting piece 12 fixes the piston rod 2, so that the piston rod 2 cannot fall out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a novel inflator, includes hand (1), its characterized in that: the lower extreme swing joint of handle (1) has piston rod (2), the lower extreme swing joint of piston rod (2) has barrel (3), the lower extreme swing joint of piston rod (2) has piston (4), sealing washer (5) have been cup jointed to the lower extreme of piston (4), the lower extreme fixedly connected with first spring (6) of piston (4), the lower extreme fixedly connected with dead plug (7) of first spring (6), the inside swing joint of dead plug (7) has recoil ware (8), the outside of recoil ware (8) cup joints second spring (9), the outside swing joint of barrel (3) has fastener (10), the upper end fixedly connected with connector link (11) of fastener (10), the upper end fixedly connected with connecting piece (12) of connector link (11), the outside fixedly connected with holder (13) of barrel (3), the inside cup joint of holder (13) has air supply pipe (14), the lower extreme fixedly connected with gas holder (15) of tube (14) has air outlet port (17) of air inlet (15), the outside of air holder (17) has the inside of connecting pipe (17), an outer coating film (19) is movably connected to the outside of the sealing ring (5).

2. The novel pump of claim 1, wherein: the outside of the fixed plug (7) an outer coating film (19) is movably connected.

3. The novel pump of claim 1, wherein: the material of the outer coating film (19) is wear-resistant rubber.

4. The novel pump of claim 1, wherein: the connecting piece (12) is an elastic connecting rope.