JPH11254923A - Injecting device for tire life extending agent - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform the injecting work as it is without removing a tire from a vehicle in a short time by connecting an injecting tool to the tire to inject a tire life extending agent in a housing tank together with the compressed air from a compressor. SOLUTION: A socket 4 and an injecting tool 3 are connected to the tip of an injection hose 5 connected to an injection hose joint 25. The valve core of a tire is removed to connect the injecting tool 3 to the tire valve, an injection button of the injector core of an injector 1 is pressed. At this time, since the compressed air from a compressor 21 is filled in an injection bottle 7 to increase the air pressure in the injection bottle 7, a tire life extending agent 22 can be injected into the tire from an injection pipe 28 through the tire life extending agent inflow passage within the injection hose joint, the injection hose 5, the socket 4 and the injecting tool 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for injecting a tire life-extending agent for preventing a puncture of a tire and extending the life of the tire.

[0002]

2. Description of the Related Art A conventional tire life extender injection device is:
A pump having a hollow shaft for suction inserted into a tank for storing a tire life extending agent, and an injection tool for connecting to a tire valve of a tire being inserted into a tip of a delivery hose at a handle portion of the pump. I was using a pump.

In order to inject a tire life extending agent into a tire using this injecting device, first, a valve core screwed into a tire valve of the tire is removed by a valve core attaching / detaching tool, and then the injecting tool is inserted into an air inlet / outlet of a tire valve. Is connected, and the manual pump is operated in the same manner as the manual pump for bicycles.

Further, as disclosed in Japanese Patent Application Laid-Open No. 9-95111, entitled "Injection device for tire life extending agent", a special delivery machine having a built-in gear pump is used to store a proper amount of tire from a tank for storing tire life extending agent. Devices for automatically injecting life extension agents have been developed.

[0005]

However, in the conventional method, the former is an injection operation using a manual pump.
The air pressure is too high to inject the tire life extender into the air-filled tire, so that it cannot be injected. Once the tire is removed from the vehicle and the air is released, the injection operation is performed. After the injection operation is completed, the tire is filled with air again, and the tire is mounted on a vehicle. Since such operations are involved, there has been a problem that a great deal of labor and time are required to inject a tire life extender into all tires of one vehicle. Further, there is another problem that the fiber which is a component of the tire life extending agent is easily clogged in the injector, and it is difficult to accurately inject an appropriate amount of the tire life extending agent suitable for various tires.

[0006] In Japanese Patent Application Laid-Open No. 9-95111, "Injection device for tire life prolonging agent" can perform the injection work without removing the tire from the vehicle, and furthermore, a proper amount of tire life prolongation suitable for various tires. Although the working efficiency can be greatly improved because the agent can be automatically injected, there is a problem that the device price becomes expensive due to the adoption of the gear pump and the electronic control device.

The present invention solves these problems and makes it possible to inject a tire life extending agent from a motorcycle such as a motorcycle to a tire such as an ordinary passenger car or a large truck very easily and in a short time, and is small and inexpensive. An object of the present invention is to provide a tire life extender injection device.

[0008]

In order to solve the above-mentioned problems, an apparatus for injecting a tire life extender of the present invention is configured as shown in FIG.

First, compressed air from the compressor 21 is sent out to the T-joint 10 connected to the filler 2 via the air hose 9. The compressed air is branched in two directions by the T-joint 10, one is sent to the injector 1 via the air hose 11 and the socket 6, and the other is the input side of the air regulator 54 built in the filler 2. To send to. An injection bottle 7 for injecting the tire life extender 22 is fitted to the injector 1. Further, the tire life extension agent 2 is added to the tire via the injection hose 5 and the socket 4.
An injector 3 for injecting 2 is connected. The air hose 12 connected to the output side of the air regulator 54 built in the filling device 2 is provided with a tire life extending agent 22.
1 fixed to lid 13 of storage tank 8 containing
Connect to 4. Further, a filling hose 20 connected via a socket 17 to a tank cock 16 fixed to the bottom of the side surface of the storage tank 8 is connected to a filling cock 26 of the injector 1.

The injector 1 has an injector core 24, an injection hose joint 25, a filling cock 26, and a pressure reducing cylinder 48 screwed onto the upper surface of the injector upper lid 23 as shown in FIG. 2, and is shown in FIGS. 4 and 6. As described above, the filling bottle 7 is fitted between the filling bottle fitting groove 46 on the bottom face of the top lid 23 and the filling bottle fitting groove 46 on the top face of the bottom lid 53. Further, the connecting rod 5 is connected to the injector top lid 23 and the injector bottom lid 53.
2, and the spring washer 28 is inserted into the connecting rod 52 on the upper surface of the injector upper lid 23, and the cap nut 27 is screwed.

As shown in FIG. 4, a compressed air inflow passage 29 for allowing compressed air from the compressor 21 to flow into the injection bottle 7 is provided inside the injector core 24, and the compressed air inflow passage 29 is opened and closed. The injection button 30 and the shaft 31 are inserted. Further, a stopper 33 to which a rubber washer 34 is engaged is provided at the tip of the shaft 31, and a spring 35 is inserted between the stopper 33 and the tip of the injector core 24. In addition, the rubber washer 3
A compressed air diffusion hole 37 is formed in a portion where the stopper 33 to which the lock member 4 is engaged and the compressed air inflow passage 29 are in contact with each other.

As shown in FIG. 4, the injection hose joint 25 is used to inject the tire life extender 22 in the injection bottle 7 into the injection hose 5.
A tire life extender inflow channel 39 for delivery to the
The injection pipe 38 is screwed to the bottom surface of the injection hose joint 25.

The filling cock 26 controls the flow of the tire life extender 22 delivered from the storage tank 8 into the injection bottle 7 as shown in FIG.
3 directly on the upper surface.

The inside of the pressure reducing cylinder 48 is formed by inserting a pressure reducing piston 47 and a spring 49 as shown in FIG.
A pressure reducing hole 50 for maintaining a constant pressure of the compressed air in the injection bottle 7 is formed in a lower portion of the side surface of the pressure reducing cylinder 48.

Further, an air hole 40 for controlling the inflow and outflow of air into the injection bottle 7 is formed in the upper lid 23 of the injector.
The inside of the air hole 40 pierces a ball moving path 42 through which the ball 41 can freely move up and down.
The ball 41 is inserted into the inside. Also, the ball moving path 42
A ball stopper 43 having a vent hole 44 is screwed into a bottom of the ball moving path 42, and a sub air hole 45 is formed in a part of the ball moving path 42.
Perforate.

The filling device 2 incorporates an air regulator 54 as shown in FIG. The air regulator 5
4 is connected to one end of a T-shaped joint 10 and the output side is connected to an air hose 12. A knob 55 for adjusting the pressure is provided on the side of the air regulator 54.
There is.

A control board 57, a battery 58, a buzzer 60, and the like for detecting a decrease in the amount of the tire life extending agent 22 in the storage tank 8 are incorporated. A signal from the sensor 18 is connected to the control board 57 by a signal cable 19.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a tire life extending agent injection device according to an embodiment of the present invention.

FIG. 2 is a plan view of the injector cover of the injector of the present invention, and FIG. 3 is a side view of the injector cover of the injector of the present invention. Core 2
4, the injection hose joint 25, the filling cock 26 and the pressure reducing cylinder 48 are screwed, and further, the air hole 40 and the auxiliary air hole 45 are formed. FIG. 4 is a front sectional view of an injector top lid, an injector core and an injection hose joint of the injector of the present invention. FIG. 6 is a sectional view of an injector bottom lid portion of the injector of the present invention. Fits the injection bottle 7 between the injection bottle fitting groove 46 on the bottom surface of the injector top lid 23 and the injection bottle fitting groove 46 on the upper surface of the injector bottom lid 53. Further, the connecting rod 5 is connected to the injector top lid 23 and the injector bottom lid 53.
2, and the spring washer 28 is inserted into the connecting rod 52 on the upper surface of the injector upper lid 23, and the cap nut 27 is screwed. Inside the injector core 24, as shown in FIG. 4, a compressed air inflow passage 29 for allowing the compressed air from the compressor 21 to flow into the injection bottle 7 is provided. The compressed air inflow passage 29 is bored in the longitudinal direction of the injector core 24, and a shaft 31 having an injection button 30 for opening and closing the compressed air inflow passage 29 is inserted. The shaft 3
A stopper 33 to which a rubber washer 34 is engaged is provided at the distal end of the device 1. A spring 35 is inserted between the stopper 33 and the distal end of the injector core 24, and a screw 36 is screwed.
Further, the stopper 3 to which the rubber washer 34 is engaged
A compressed air diffusion hole 37 is formed in a portion where the compressed air inflow passage 29 and the compressed air inflow passage 29 contact each other. Further, an O-ring 32 for improving airtightness is mounted on a shaft 31 at an intermediate portion between the compressed air inflow passage 29 and the injection button 30 so that the compressed air in the injection bottle 7 does not leak outside.

When the injection button 30 of the injector core 24 is pressed with the filling cock 26 closed, the compressed air diffusion hole 37 closed by the stopper 33 to which the spring 35 and the rubber washer 34 are engaged is opened, and the compressor 21 is opened.
Is injected into the space in the injection bottle 7 via the compressed air inflow passage 29. At this time, the compressed air tries to leak out of the injection bottle 7 from the air hole 40 via the air hole 44, but the ball 41 in the ball moving path 42 instantly rises, and the inside of the outer ball moving path 42 More air holes 4
Block 0. As a result, the air pressure in the injection bottle 7 increases, so that the tire life extender 22 in the injection bottle 7 is supplied from the injection pipe 38 to the injection hose joint 2 as indicated by an arrow in FIG.
5, the tire life extending agent inflow path 39, the injection hose 5, the socket 4, and the injection tool 3 are injected into the tire.

When the injection is completed, the injection button 30 of the injector core 24 is restored. At this time, a small amount of air enters the injection bottle 7 from the auxiliary air hole 45 via the ball moving path 42 and the air hole 44 and is decompressed. As a result, the air pressure in the injection bottle 7 decreases, so that the ball 41 descends and the air hole 40 opens, so that the pressure in the injection bottle 7 returns to the atmospheric pressure. The above operation can also be performed by removing the injection hose 5 or the like, so that the auxiliary air hole 45 is not essential.

As a safety device for compressed air, there is a pressure reducing cylinder 48. FIG. 5 is a sectional view of a pressure reducing cylinder of the injector according to the present invention. The pressure reducing cylinder 48 has a pressure reducing piston 47 and a spring 49 inserted therein. An O-ring 51 for improving airtightness is mounted on a contact surface between the pressure reducing piston 47 and the pressure reducing cylinder 48. A pressure reducing hole 50 for maintaining a constant pressure of the compressed air in the injection bottle 7 is formed in a lower portion of the side surface of the pressure reducing cylinder 48.

FIG. 5A is a view showing a state where the air pressure in the filling bottle 7 is equal to or lower than the set pressure. Since the pressure reducing piston 47 is pushed downward by the spring 49, the pressure reducing hole 50 is formed.
Is in a closed state, and the compressed air in the injection bottle 7 does not leak outside.

FIG. 5B is a view showing a state where the air pressure in the filling bottle 7 is equal to or higher than the set pressure. Since the decompression piston 47 is pushed upward by the compressed air in the infusion bottle 7, the decompression hole 50 is open, and the compressed air in the infusion bottle 7 is discharged from the decompression hole 50 to the outside as shown by the arrow in the figure. Is done. For this reason, the air pressure in the injection bottle 7 decreases. When the pressure has decreased to the set pressure, the pressure reducing piston 47 is pushed downward again by the spring 49 and returns to the original state as shown in FIG.

FIG. 7 is an internal plan view of the filling device of the present invention. The filling device 2 has an air regulator 54 built therein. One end of the T-joint 10 is connected to the input side of the air regulator 54, and the air hose 12 is connected to the output side. In addition, a knob 55 for adjusting the pressure is provided on the side of the air regulator 54. By setting a pressure gauge (not shown) on the air regulator 54 and rotating the knob 55, the pressure of the compressed air to be sent into the storage tank 8 can be adjusted.

A control board 57 for detecting a decrease in the amount of the tire life extender 22 in the storage tank 8 and controlling an alarm sound by the buzzer 60 and light emission by the LED 61 is provided.
A battery 59, a buzzer 60 and the like are built in, and wiring is performed via a switch 56. Further, a signal from a level sensor 18 disposed at a lower portion of the side surface of the storage tank 8 is connected to the control board 57 via a signal cable 19.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an apparatus for injecting a tire life extender according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a configuration diagram of a tire life extending agent injection device of the present invention. The compressed air from the compressor 21 is branched to the injector 1 side and the filler 2 side using the air hose 9 and the T-shaped joint 10. One end of the T-shaped joint 10 is connected to the injector 1 via the air hose 11 and the socket 6 on the injector 1 side.
Connect to 4. The other end of the T-shaped joint 10 is directly connected to the input side of an air regulator 54 built in the filler 2 on the filler 2 side. Further, the air hose 12 is connected to the output side of the air regulator 54, and the tip of the air hose 12 is connected to the socket 14 fixed to the lid 13 of the storage tank 8.

In order to inject the tire life extender 22 into the injection bottle 7 of the injector 1, the filling cock 26 above the injector top lid 23 and the tank cock 1 of the storage tank 8 are used.
Open 6. At this time, the compressed air from the compressor 21 is filled into the storage tank 8 from the air inflow pipe 15, and the air pressure in the storage tank 8 increases. For this reason, the tire life extending agent 22 in the storage tank 8 is
0 and the filling cock 26 of the injector 1 is filled into the filling bottle 7. Since the filling bottle 7 is made of transparent acrylic or equivalent material and the contents can be seen therethrough, the correct amount can be filled by opening the filling cock 26 until a predetermined volume is reached. After filling, the filling cock 26 is closed to end the filling.

The socket 4 and the injection tool 3 suitable for the tire to be injected are connected to the tip of the injection hose 5 connected to the injection hose joint 25. Next, after removing the valve core (not shown) of the tire and connecting the injector 3 to the tire valve (not shown), the injection button 30 on the injector core 24 of the injector 1 is pressed. At this time, the injection bottle 7 is filled with the compressed air from the compressor 21 and the air pressure in the injection bottle 7 increases, so that the tire life extension agent 22
The tire life extension agent 22 can be injected into the tire from the injection pipe 38 via the tire life extension agent inflow path 39, the injection hose 5, the socket 4, and the injection tool 3 in the injection hose joint 25. Thereafter, the work is completed by returning the valve core to the tire valve. This operation is repeated for the required number of tires in the target vehicle.

When the amount of the tire life extender 22 in the storage tank 8 has been reduced, the situation is detected via a signal cable 19 by a level sensor 18 disposed at the lower side of the storage tank 8. Control board 57 built in 2
Sent to The control board 57 can amplify the signal and generate an alarm sound with the buzzer 60 or emit light with the LED 61.

The embodiments and examples of the present invention described above are one embodiment for describing the operation principle of the tire life extender injection device of the present invention, and perform the same operation in each function. Are all included in the tire life extender injection device of the present invention.

[0032]

As described above, the use of the tire life extender injection device of the present invention has the following effects as compared with the conventional manual pump. Since the compressor is used as the pump, the delivery pressure is high, so that the tires of motorcycles and other ordinary vehicles and large trucks can be used as they are without removing the tires from the vehicle. If a tire life extender for one tire is put in the filling bottle in advance and the filling operation is performed, the filling can be performed without excess or deficiency.

Further, the following effects are obtained as compared with an injector using a conventional gear pump. The main device is composed of an injector and a filler,
Both devices are very small. The injectors and fillers are very inexpensive because they consist of a relatively simple combination of mechanical components and do not use expensive equipment such as gear pumps or electronic controls.

Due to the various effects described above, the operation of injecting the tire life extending agent can be easily and quickly performed, and the apparatus can be made small and inexpensive.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a tire life extender injection device of the present invention.

FIG. 2 is a plan view of an injector top lid of the injector of the present invention.

FIG. 3 is a side view of the injector lid of the injector of the present invention.

FIG. 4 is a front sectional view of an injector top lid, an injector core, and an injection hose joint of the injector of the present invention.

FIG. 5 is a sectional view of a pressure reducing cylinder of the injector of the present invention.

FIG. 6 is a cross-sectional view of the injector bottom lid portion of the injector of the present invention.

FIG. 7 is an internal plan view of the filling device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Injector 2 Filler 3 Injector 4 Socket 5 Injection hose 6 Socket 7 Injection bottle 8 Storage tank 9 Air hose 10 T-shaped joint 11 Air hose 12 Air hose 13 Lid 14 Socket 15 Air inflow pipe 16 Tank cock 17 Socket 18 Level Sensor 19 Signal Cable 20 Filling Hose 21 Compressor 22 Tire Life Extension Agent 23 Injector Cover 24 Injector Core 25 Injection Hose Joint 26 Filling Cock 27 Bag Nut 28 Spring Washer 29 Compressed Air Inflow Path 30 Injection Button 31 Shaft 32 O-Ring 33 Stopper 34 Rubber Washer 35 Spring 36 Screw 37 Compressed Air Diffusion Hole 38 Injection Pipe 39 Tire Life Extension Agent Inflow Channel 40 Air Hole 41 Ball 42 Ball Moving Path 43 Ball Stopper 44 Vent Hole 45 Sub air hole 46 Injection bottle fitting groove 47 Decompression piston 48 Decompression cylinder 49 Spring 50 Decompression hole 51 O-ring 52 Connecting rod 53 Injector bottom cover 54 Air regulator 55 Knob 56 Switch 57 Control board 58 Battery case 59 Battery 60 Buzzer 61 LED

Claims (2)

[Claims] 1. A compressed air from a compressor (21) is branched in two directions by a T-joint (10), one of which is an injector core (2) of an injector (1) fitted with an injection bottle (7).
4) and the other is connected to the input side of an air regulator (54) built in the filling device (2), and compressed air from the output side of the air regulator (54) is used to connect the inside of the storage tank (8). Filling hose (20) and filling cock (26) of injector (1) with tire life extender (22)
And the function of filling the infusion bottle (7) into the infusion bottle (7) and the tire life extender (22) in the infusion bottle (7) from motorcycles and other motorcycles to ordinary passenger cars without removing tires.
An injection device for a tire life extender, which has a function of being able to be injected into a tire of a vehicle such as a large truck. 2. An injector core (24), an injection hose coupling (25), and a filling cock (2) are provided on the upper surface of the injector lid (23).
6) and the pressure reducing cylinder (48) are screwed, and the injection bottle (7) is connected to the injection bottle fitting groove (46) on the bottom surface of the injector top lid (23) and the upper surface of the injector bottom lid (53) by a connecting rod. In the injector (1) fitted in (52), compressed air inflow into the injector core (24) for flowing compressed air from the compressor (21) into the injection bottle (7). Channel (29), an injection button (30) and a shaft (3) for opening and closing the compressed air inflow channel (29).
1) and a stopper (3) with a rubber washer (34) attached to the tip of the shaft (31).
3), the stopper (33) and the injector core (2)
A spring (35) is inserted between the front end of the compressed air diffusing hole and the compressed air inflow passage (29). Drilling (37), the injection hose fitting (25) provides a tire life extender inflow path (39) for delivering the tire life extender (22) in the injection bottle (7) to the injection hose (5). A filling pipe (38) is screwed to the bottom of the filling hose fitting (25) to control the inflow of the tire life extender (22) filled from the filling device (2) and the storage tank (8). Cook (26) and infusion bottle (7)
The device for injecting a tire life extender according to claim 1, further comprising a pressure reducing cylinder (48) for controlling the pressure in the inside to be constant.