CN2034203U - Two-use air pump - Google Patents

Abstract

The utility model provides an air pump with lock function. The utility model can be a spare part arranged on a bicycle, a motorcycle and a tricycle, and can inflate as well as lock bicycle and self lock. The air pump is characterized in that the rubber pipe of the existing air pump are wrapped with a layer of metal net on the outer surface to make the pipe as a chain; a lock body, a lock head and a lock ring are matched, to make the air pump have lock function.

Description

Two-use air pump

The utility model relates to a kind of improved inflator, particularly a kind of inflator with lock function.

Existing inflator generally is made up of handle, piston rod, piston, inflator pipe, air cylinder cover, rubber tube, duck tongue mouth.Though it is multiple that kind and specification have, the function of general tool inflation.Often inconvenient when such inflator bicycle, motorcycle, tricycle etc. out carry, all inflator to be taken down everywhere with the people, be exactly inflation at ordinary times, the people who lives high building takes, puts also inconvenient.

Task of the present utility model provides a kind of improved inflator, and it is not only inflatable, and has the function of lock.It can be used as a spare part and is installed on bicycle, tricycle, the motorcycle, both can inflate at any time, can lock car and pinning itself again.

Task of the present utility model is to utilize the function of inflator and chain lock to finish through making up, improving.Its mode is as follows: the rubber tube of inflator is wrapped up with wire netting, make its suitable chain, lock body sheath fuses by duck tongue mouth end and with wire netting on rubber tube.Tapered end is the fourth shape bar of a band nut, and it is fixed on the inflator pipe on bicycle, tricycle, the motorcycle etc. by lock ring.Its front end is a hemispherical snap close of locking mutually with lock body.Inflator self-locking separately also can be locked car simultaneously, and this lock can adopt the lock device of " chain lock " sold on the market, only needs during the lock car that rubber tube is walked around steel ring and gets final product.

Below in conjunction with accompanying drawing invention is described in further detail:

Fig. 1 is that the utility model is fixed on the schematic representation on the bicycle tripod.

Fig. 2 is along A-A line part section enlarged view.

Being enclosed within rubber tube (2) with reference to Fig. 1, lock body (1) upward and with wire netting or chain (3) is connected as a single entity.Air cylinder cover (4) appearance has in the annular concave groove.Respectively there is a hole at ring plate (5) two ends, and its diameter is same as the diameter of tapered end (6) fourth shape bar.The tapered end front end is hemispherical snap close, is the position of locking mutually with lock body (1), and middle front part has one section screw thread and nut (7).Nut (7) plays fastening inflator pipe (3).The length of rubber tube can reach bicycle wheels.The people directly is sitting on the carrying rack of bicycle and inflates.

Claims (1)

1, a kind of inflator with lock device is characterized in that, the inflator rubber tube holds the metal body that one deck links to each other with lock body outward, and tapered end is a fourth shape bar, and the front portion is half spherical snap close, and middle front part has screw thread and associated nut.