JP2510949Y2 - Bicycle inflator connection - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle inflator connecting device, and more particularly, to a bicycle inflator for inflating bicycle tires so that it can be used for various types of air enclosures other than bicycle tires. Connection tool for making.

[0002]

2. Description of the Related Art Heretofore, various air-filled bodies have been known which are filled with air, such as bicycle tires, balls and rubber boats. Such an air enclosure usually requires its own dedicated inflator.
On the other hand, for example, the bicycle inflator 14 shown in FIG. 4 is often provided together with a bicycle, and is widely used in ordinary households.

[0003]

However, the bicycle inflator 14 has an air injecting nozzle 22 at the tip of the air feeding hose 15 as shown in FIG. 5 corresponding to the air inlet of the tire of the bicycle. The nozzle 22 for inflating the tire is brought into contact with the air filling port of the tire so that the clip member 1
It has a structure of fixing with 6. That is, the nozzle 22 of the bicycle inflator 14 has a dedicated structure suitable only for the air filling hole of the tire. For this reason, the nozzle 22 of the bicycle inflator 14 cannot be used to enclose air in other air enclosures, and it is necessary to provide a separate dedicated inflator for the ball, the rubber boat, and the like.

On the other hand, there is also known a general-purpose type inflator in which a nozzle having a structure different from that of the nozzle 22 shown in FIG. 5 can be replaced according to the shape of the inlet of an air enclosure.
In addition to the bicycle tire adapter, the inflator is provided with screw adapters such as the rubber boat adapter 10a and the ball adapter 10c shown in FIG. However, these adapters 11a, 11
b and 11c could not be used for the nozzle 22 of the bicycle inflator 14.

Therefore, the object of the present invention is to solve the inconvenience that the conventional bicycle inflator, which is generally widespread, cannot be connected to the air blowing adapter of another air enclosure, and is limited to the tire of the bicycle. However, it is intended to have versatility by being connectable to various adapters, and it is to provide a connecting tool for allowing a bicycle inflator to be used for various kinds of air enclosures. .

[0006]

As a means for solving the above technical problems, the present inventor has found that a nozzle provided at the tip of an air feeding hose connected to a pump for a bicycle inflator, A connecting tool for connecting a blowing adapter for inserting air into the enclosure and blowing air therein so as to allow air to flow therethrough, and a moderately elastic cylindrical body having a flow hole for flowing air from one end to the other end. The main body is a tubular body formed by, one end side of the flow hole is an air introduction part connected to the nozzle tip part, and the other end side of the flow hole is externally fitted to the blow adapter. A connecting device for a bicycle inflator, which is characterized in that it is a fitting part for sending the air to a blowing adapter.

[0007]

According to the connector of the present invention, the air blowing adapter can be connected to the air injection nozzle of the bicycle inflator. That is, by connecting the air introduction part of the connecting tool to the nozzle of the air feeding hose and connecting the fitting part of the connecting tool to the blowing adapter, the blowing adapter is connected to the nozzle of the air feeding hose so that air can be blown. sell.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment embodying the present invention will be described below with reference to FIGS. FIG. 1 shows a sectional structure and a perspective overall shape of a connecting device 1 for a bicycle inflator. The connector 1 is made of a natural or synthetic elastic body having an appropriate rubber elasticity, and is made of synthetic rubber in this example.

The connecting tool 1 is mainly composed of a cylindrical main body 2 having a flow hole 2a for allowing air to flow from one end to the other end, and a small cylinder portion 4 having a small outer diameter on one end side is a large cylinder having a large outer diameter. The structure is integrally formed on the portion 8 on the same axis. The small tube portion 4 is formed corresponding to the air injection nozzle member 20 of the inflator shown in FIG. That is, the through hole 2a penetratingly provided in the center of the small tube portion 4 is formed to have a predetermined diameter as the air introducing portion 6 into which the nozzle 22 can be inserted. The taper surface has a large opening upward so as to correspond to the size of the outer diameter. The upper end portion 4 a that constitutes the opening edge of the air introduction portion 6 has the nozzle 2 at the center of the nozzle member 20.
It is designed to come into contact with the close contact portion 24 on the outer periphery of the second.

The through hole 2a in the large cylindrical portion 8 is formed as a large fitting portion 10 which opens at the lower end, and the inner diameter thereof is the cylindrical adapter 11a, 11b, 11c shown in FIG.
The connecting portions 12a, 12b, 12c provided on the upper end of the can be fitted and gripped. That is, the inner diameter is smaller than the outer diameter dimension of the adapter connecting portions 12a, 12b, 12c, and can elastically press and hold the outer circumference of the connecting portions 12a, 12b, 12c. The hardness of the connector 1, the inner diameter of each part, etc. are set within a range in which the connector 1 can be relatively easily attached and detached.

Next, the adapters 11a, 11b, 11c and the nozzle 22 of the inflator 14 which are used together with the connector 1 of this embodiment described above will be explained. First, the adapters 11a, 11b, 11c to which the connecting tool 1 is attached and used have the respective structures shown in FIG. The respective adapters are the rubber boat adapter 11a (FIG. 6 (a)), the beach ball adapter 11b (the same (b)), and the ball adapter 11c.
(Same as (c)) and has a shape corresponding to the shape of the air sealing port of each air sealing body. For inflatable boat 11
The a and the beach ball 11b are made of plastic into a substantially spindle-shaped tubular shape, and the lower end is a tapered insertion portion,
The upper ends are connecting portions 12a and 12b having a predetermined outer diameter. These connecting portions 12a and 12b have a cylindrical shape, and a screw is screwed around the outer periphery thereof. Further, the ball adapter 10c has a cylindrical connecting portion 12c formed at the upper end of a hollow needle made of metal, and like the adapters 10a and 10b, a screw is screwed around the outer periphery of the connecting portion 12c. There is. The adapter 10 shown in this example is an example, and the shape of the connecting portion 12 is not limited to these.

On the other hand, the bicycle inflator 14 of the present embodiment has a structure in which pressurized air is pressure-fed to the nozzle 22 through an air-feeding hose by repeating a piston operation in which a handle is pressed against the main body and then pulled back, similarly to a normal one. belongs to. The nozzle 22 of the inflator 14 is a pump 14 a of the inflator 14.
It is provided integrally with the clip member 16 attached to the tip of the air feed hose 15 connected to (see FIG. 4).

The clip member 16 axially attaches the substantially central portion between the two elongated upper and lower clip plates 16a and 16b, and the spring member 17 is interposed between the axial portions to form the upper and lower clip plates 1.
The tips of 6a and 16b are formed so as to be urged to abut each other. A nozzle member 20 having a hole through which the air feed hose 15 is connected is formed on the contact side of the upper clip plate 16a and is open to the lower clip plate 16b side. A substantially U-shaped notch is formed on the contact side of the lower clip 16b so as to correspond to the nozzle member 20.

As shown in FIG. 5, this nozzle member 20
Is in communication with the inside of the air feed hose 15 and the clip member 1
The nozzle 22 projects between the nozzles 6 and also has a close contact portion 24 made of a cylindrical elastic body that is in close contact with the outer periphery of the nozzle 22. The nozzle 22 and the contact portion 24 are formed so as to fit into the air inlets of all bicycle tires. That is, the shape and size of the normal bicycle inflator 14 are substantially constant.

Next, the case where the rubber boat adapter 11a is inserted into the air inlet 26 of the rubber boat to use the connector 1 of this embodiment will be described (see FIG. 2). in this case,
The adapter 11a in which the fitting portion 10 of the connector 1 is fitted to the connecting portion 12a is inserted into the air filling port 26 of the rubber boat.

Then, the cutout portion of the lower clip plate 16b is inserted into the connecting portion 12a exposed immediately below the large tubular portion 8, and the contact portion 24 provided below the upper clip plate 16a.
And the upper end portion 4a of the small tubular portion 4 are brought into contact with each other, and the connector 1 is clamped by the upper clip plate 16a and the lower clip plate 16b.

As a result, the small tube portion 4 and the close contact portion 2 of the connector 1 are connected.
Due to the elastic deformation of 4, the nozzle 22 and the introduction portion 6 are communicated in an airtight state. Then, if the air pump 14a is operated in this state, air will flow through the hose 1
5, it is sent into the air-filled body through the connector 1 and the adapter 11a. Similarly, beach ball adapter 11
The bicycle inflator 14 can also be used for b.

FIG. 3 shows the case where the air enclosure is a ball. Also in this case, as in the case of the rubber boat, after the fitting portion 10 is fitted to the connecting portion 12c of the ball adapter 11c in advance, the adapter 11c is attached to the air filling port 2.
The nozzle 22 and the introduction portion 6 are communicated with each other in an airtight manner by inserting into the nozzle 8 and clamping the connector 1 with the clip member 16.

As described above, by attaching the connector 1 made of an elastic body to the connecting portion 12 of the various adapters 10,
It is compatible with the nozzle 22 of the bicycle inflator 14. As a result, the bicycle inflator 14 can be used as an air enclosure other than the bicycle tire. The connection tool 1
Since the tubular main body 2 has an appropriate rubber elasticity, the adapter 11 having no threaded screw on the connecting portion 12 can be applied. Further, the shapes of the large tube portion 8 and the fitting portion 10 can be changed as appropriate according to the shape of the connecting portion of the adapter 11, and the inflator 14 for a bicycle can be used.
The shapes of the small tube portion 4 and the introduction portion 6 can be changed according to the nozzle shape of.

The bicycle inflator 14 of this embodiment has a structure in which the nozzle 22 is formed integrally with the clip member 16, but the application of the connecting device 1 of this embodiment is not limited to this. However, the present invention can also be used in a simple bicycle inflator having a nozzle structure in which the clip member is omitted and the nozzle is formed in a plug-in tubular shape. Then, the bicycle inflator 1 of this embodiment
In No. 4, the air introduction part of the connecting tool and the nozzle are connected by the fitting means of the clip member, but in the simple bicycle inflator, the air introducing part of the connection tool and the nozzle are connected by the inserting means. To be done.

[0021]

As described above in detail, according to the present invention,
One end of a connector made of an elastic body and having an air passage hole from one end to the other end was formed so as to be able to be in close contact with a bicycle inflator nozzle, and the other end was provided so as to be externally fitted to an adapter for various air enclosures. Therefore, the bicycle inflator can be widely used for bicycle tires and air enclosures other than bicycles. In particular, this invention has a widespread bicycle inflator,
By not being able to connect to the air blowing adapter of other air enclosures, we solved the inconvenience limited to bicycle tires only, and by making it possible to connect to various adapters, we were able to give versatility to the bicycle inflator It has features in points.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a connector and a perspective view thereof.

FIG. 2 is a cross-sectional view of a state in which the inflating nozzle and the rubber boat adapter are connected using a connecting tool.

FIG. 3 is a cross-sectional view of a state in which the inflator nozzle and the ball adapter are connected using a connecting tool.

FIG. 4 is a schematic view of a bicycle inflator.

FIG. 5 is a sectional view mainly of a bicycle inflator nozzle.

FIG. 6 is a diagram showing adapters for various air enclosures.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Connection tool 2 ... Cylindrical main body 2a ... Circulation hole 6 ... Air introduction part 10 ... Fitting part 12a, 12b, 12c ... Blowing adapter 14 ... Bicycle air pump 15 ... Air feeding hose 22 ... Nozzle

Claims (1)

(57) [Scope of utility model registration request] 1. A nozzle provided at a tip of an air feeding hose connected to a bicycle inflator pump and a blowing adapter for inserting air into an air enclosure to blow air therein are connected so that air can flow. The connecting body for connecting the main body is a tubular main body formed of an appropriate elastic body in a tubular shape having a flow hole for circulating air from one end to the other end, and one end side of the flow hole is the tip of the nozzle. And a second end of the flow hole is a fitting portion that is fitted onto the blowing adapter and sends air to the blowing adapter. Connection.