CN101240787B - Inflator with telescopic pipe group - Google Patents

Abstract

The invention provides an inflator with a telescopic pipe group, which comprises an air suction cylinder; the telescopic pipe assembly comprises an outer pipe, an inner pipe and a wind nozzle head, wherein the first end of the outer pipe is connected with the air suction cylinder, the second end of the outer pipe enables the inner pipe to penetrate through, and the inner pipe is provided with the wind nozzle head. The inflator can be in an extension state when in use, so that the inner tube extends out of the outer tube; when the inflator is not used, the inner tube can be easily inserted into the outer tube, so that the telescopic tube group is in a short state and is easy to store.

Description

Pump with telescoping tube set

technical field

The invention relates to an air pump, in particular to a concealable and retractable air pump.

Background technique

With the change of the lifestyle of the two-day weekend, people pay more and more attention to the quality of leisure life. Natural environments such as countryside and suburbs have become people's new favorites. Riding bicycles in the wild has become a new fashion for modern people. In the wild, no matter adults or children, everyone is riding a bicycle, enjoying the gentle breeze and the beauty of nature. When riding a bicycle, an easy-to-carry pump is an indispensable equipment.

The common pumps on the market are mainly divided into three categories, pedal-type floor pumps, hand-held mini-pumps (Mini Pumps) and foot-operated mini-pumps (Flam Floor Pumps). Foot-operated large floor pumps are not easy to carry due to their bulky size; hand-held mini pumps (MiniPump) are easy to carry due to their small size, but they have no fulcrum, making it difficult to apply force and have a small air volume The obvious lack of a small pedal pump (Flam Floor Pump) has the meaning of removing the chaff from the above pump, and the small pedal pump (Flam Floor Pump) has both the above two Advantages, convenient folding, small size and a fulcrum for easy force application.

However, the Flam Floor Pump has one area that could be improved. Please refer to Fig. 8, which is a schematic diagram of an existing pump. This kind of pump is a small-sized pump 9 (FlamFloor Pump) that can be stepped on. It has a foldable pedal 91 and a foldable handle. 92, but, the length of the air pipe 93 is only about the length of the cylinder body 94, because the length of the air pipe 93 is limited, so that when pumping air, the pump 9 must be made close to the bicycle, but the too close distance between the two will make the application Force is not easy, but can't inflate quickly, if this deficiency can be overcome, will make this kind of small-sized inflator 9 (Flam Floor Pump) that can step on be more usable, can make the user more satisfied.

The present invention therefore seeks to obviate or at least alleviate the problems encountered in the prior art.

Contents of the invention

The object of the present invention is to provide a pump with telescopic tubes, the technical problem to be solved is that the foot-operated small pump (Flam Floor Pump) is limited in the length of the trachea, so that when pumping air, it must be The pump is very close to the bicycle, so that it can be pumped smoothly, but this makes it difficult to apply force. Therefore, the length of the trachea really needs to be improved. Aiming at this inconvenient problem, the present inventor has devoted himself to developing and creating a flexible pump hose, hoping to bring consumers a more convenient and useful pump.

The present invention provides an air pump with a telescopic tube set, which includes an air pump; a telescopic tube set, which includes an outer tube, an inner tube, and a nozzle head, wherein the first end of the outer tube is connected to the As for the pumping cylinder, the second end of the outer tube passes through the inner tube, and the inner tube is also provided with the tuyere head.

When the pump is in use, it can be stretched, so that the inner tube protrudes from the outer tube; when the pump is not in use, the inner tube can easily extend into the outer tube, so that the telescopic tube group is in a relatively Short state, but easy to store.

The present invention has the following advantages:

1. The present invention provides an inflator with a telescopic tube set, wherein the present invention has a telescopic tube set, so that a longer state can be obtained when pumping air, and a shorter state can be obtained when storing.

2. The present invention provides an inflator with a telescopic tube set, wherein the telescopic tube set of the present invention can be clamped to the kit through the joint, so that the inner tube can be stably stored in the outer tube.

3. The present invention provides an inflator with a telescopic tube set, wherein the present invention has the advantages of small size, convenient folding and easy inflating with a fulcrum.

Description of drawings

Fig. 1 is the three-dimensional appearance diagram when the present invention is stored;

Fig. 2 is the three-dimensional exploded view when the present invention is used;

Fig. 3 is the three-dimensional exploded view of the present invention;

Fig. 4 is the sectional view of 4-4 taken by Fig. 1 of the present invention, the schematic diagram that the inner tube described in the table is stored in the outer tube;

Fig. 5 is an enlarged view of the details taken from Fig. 4 of the present invention, showing a schematic diagram of the joint clamped in the kit;

Fig. 6 is the sectional view of 6-6 taken by Fig. 2 of the present invention, the schematic diagram that the inner tube described in the table is pulled out by the outer tube;

Fig. 7 is a schematic diagram showing that the telescopic tube group of the present invention can pivot relative to the pumping cylinder;

Fig. 8 is a schematic diagram of an existing air pump.

Explanation of reference signs

(existing)

9 air pump; 91 pedal; 92 handle; 93 air pipe; 94 cylinder block;

(this creation)

1 air pump; 10 air pump; 11 handle; 12 pedal piece; 20 telescopic tube group; 21 outer tube; 211

The first end; 212 the second end; 213 ear; 214 connected to the inner tube; 221 piston; 222 airtight parts;

23 kit; 231 connecting end; 232 clamping part; 233 retaining part; 24 joint; 241 clamping end; 242

243 broken slot; 244 clamping part; 25 nozzle head; 251 connecting part; 252 inserting part.

Detailed ways

Regarding the technology, means and effects used in the present invention, a preferred embodiment is given and described in detail below with drawings, which are for illustration purposes only, and are not limited by this structure in the patent application.

Referring to Fig. 1 and Fig. 2, it is a three-dimensional appearance view and an operation diagram of the pump 1 of the present invention. The pump 1 includes a pumping tube 10, the first end of the pumping tube 10 is a foldable handle 11, and the second end of the pumping tube 10 is provided with a foldable foot The other side of the step member 12 is provided with a pivotable telescopic tube group 20 . By stepping on the foot member 12 and holding it on the handle 11, the handle 11 and the air pumping cylinder 10 generate air, and the telescopic tube group 20 can be easily expanded and contracted to form a relatively tight fold. Short state vs. longer state when used.

Referring to FIG. 3 , it is an exploded perspective view of the pump 1 of the present invention. The telescoping tube set 20 includes an outer tube 21, the first end 211 of the outer tube 21 is pivotally arranged at the second end of the pumping cylinder 10; the second end 212 of the outer tube 21 protrudes There are two ears 213, which can be clamped on the body of the pumping cylinder 10, and the second end 212 of the outer tube 21 forms a connection portion 214, and the connection portion 214 is in the form of an external thread.

An inner tube 22 is in the shape of a hose, one end of the inner tube 22 is provided with a piston 221, and the inner tube 22 is adjacent to the piston 221, and several air-tight parts 222 are arranged on the outer diameter of the inner tube 22. The tube 22 passes through the outer tube 21 .

A sleeve 23 (please refer to Fig. 4 at the same time), one end is a connecting end 231 in the form of an internal thread, which can be sleeved on the connecting portion 214 of the outer tube 21 and fixed in a screw-locked manner; the other end is formed with a An engaging portion 232, a blocking portion 233 is formed between the engaging portion 232 and the connecting end 231, the sleeve 23 is screw-locked to the connecting portion 214 of the outer tube 21, and is blocked by the blocking portion 233 on the outer tube 21.

A joint 24, one end forms a fastening end 241, and the other end forms a connecting end 242, wherein the fastening end 241 is formed with a broken groove 243 in the axial direction, so that the fastening end 241 has elasticity; and the fastening The end 241 is provided with a protruding locking portion 244 on a radial ring.

A tuyere head 25 is provided with a screw-shaped connecting portion 251 , and the connecting portion 251 extends an inserting portion 252 with a smaller diameter. The connecting portion 251 is the connecting portion 242 screwed to the joint 24 , and the inserting portion 252 is inserted into the inner tube 22 . The fastening end 241 of the joint 24 can be fastened to the fastening portion 232 of the sleeve 23 .

Referring to FIG. 4 and FIG. 5 , it is a schematic cross-sectional view of the telescopic tube set 20 of the present invention. The inner tube 22 of the telescopic tube set 20 can pass through the outer tube 21 , and the gas will not flow through the gap between the inner tube 22 and the outer tube 21 through the piston 221 . When the inner tube 22 is stored in the outer tube 21 , the nozzle head 25 is clamped to the sleeve 23 through the connector 24 .

Wherein, the clamping end 241 of the joint 24 has elasticity due to the broken groove 243 (please refer to FIG. 3 ), and can be contracted and pivoted slightly inward. The fastening portion 244 at the end of the fastening end 241 is fastened to the fastening portion 232 in the sleeve 23 so that the joint 24 can be quickly fastened to the sleeve 23 without falling off.

It can be seen from FIG. 5 that the insertion part 252 of the nozzle head 25 is directly inserted into the flexible inner tube 22, which can form a closed insertion. Through the elastic holding of the inner tube 22 itself, not only Does not shed and does not deflate.

Referring to FIG. 6 , it is a schematic cross-sectional view of the expansion of the telescopic tube group 20 of the present invention. When the inner tube 22 is stretched to the longest state, the airtight member 222 on the inner tube 22 is blocked by the stopper 233 of the sleeve 23, which not only restricts the inability of the inner tube 22 from the outer tube 21 detachment, and at the same time, the gas in the telescopic tube group 20 will not have the danger of leaking.

Referring to FIG. 7 , it is a schematic diagram of the telescopic tube set 20 of the present invention that can pivot relative to the pumping cylinder 10 . When the pump 1 is to be used, the ear 213 of the outer tube 21 of the telescopic tube set 20 can be separated from the pumping tube 10, so that the first end 211 of the outer tube 21 can pivot at any angle, and the inner tube 22 After being pulled out from the outer tube 21, the telescopic tube set 20 forms a long distance, which is convenient for the user to draw air.

The air pump with telescopic tube group of the present invention is because of the telescopic function of the telescopic tube group, so that the pump can be in an elongated state when in use, so that the inner tube protrudes from the outer tube; When the pump is not in use, the inner tube can easily extend into the outer tube, so that the telescopic tube group is in a shorter state, easy to store, and convenient to carry.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of the present invention, so all numerical changes or replacement of equivalent components, or equivalent changes made according to the claims of the present invention and Modifications should still fall within the scope of the patent of the present invention.

Claims (9)

1. the pump with telescopic pipe group is characterized in that, includes:

One draws inflator, and described first end that draws inflator is a foldable lever, described second end that draws inflator, and a side is provided with foldable foot and steps on part, and opposite side is provided with a pivotable telescopic pipe group;

Described telescopic pipe group includes Guan Yuyi wind fairing head in the outer tube,, and wherein said outer tube first termination is located at the described inflator that draws, and described outer tube second end makes described interior pipe wear, and described interior Guan Yiduan is provided with described wind fairing head;

Described pump can be elongation state when user mode, pipe stretches out from outer tube in the order; And when pump did not use, interior pipe can be inserted into outer tube.

2. the pump with telescopic pipe group as claimed in claim 1 is characterized in that: described outer tube second end is provided with an external member, and described wind fairing head is in conjunction with pipe place in described and be provided with a joint, and described joint is arranged in described external member.

3. the pump with telescopic pipe group as claimed in claim 2 is characterized in that: described external member is provided with one and connects and establish end, and described outer tube second end is provided with one and meets the portion of establishing, and connects to establish end and be located at the described portion of establishing that connects.

4. the pump with telescopic pipe group as claimed in claim 2 is characterized in that: described wind fairing head is provided with one and meets the portion of establishing, and described joint is provided with one and connects and establish end, connects to establish end and be located at the described portion of establishing that connects.

5. the pump with telescopic pipe group as claimed in claim 2 is characterized in that: described external member is provided with a clamping part, and described joint is provided with a block end, and described block end is arranged in described clamping part.

6. the pump with telescopic pipe group as claimed in claim 5 is characterized in that: described block end is axially arranged with one makes described block end rubber-like break groove.

7. the pump with telescopic pipe group as claimed in claim 5 is characterized in that: described block end radial ring is provided with a card division, and described card division is arranged in the clamping part of described external member.

8. the pump with telescopic pipe group as claimed in claim 2 is characterized in that: described external member is provided with a stopper, and described interior external diameter of pipe is provided with gas seal member, and when interior pipe stretched out from outer tube, described gas seal member supports was located at described stopper.

9. the pump with telescopic pipe group as claimed in claim 1 is characterized in that: described outer tube second end is provided with ear, and described ear is arranged in the described stack shell that draws inflator.

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