CN103895241B - Pneumatic tire repairing glue bottle - Google Patents

Abstract

The present invention discloses a pneumatic tire repair glue bottle, comprising a bottle body for containing glue, a glue outlet opening and an air inlet hole provided on the bottle body, a bottle cap provided at the glue outlet opening, a straight tube assembly connected to the air inlet hole, a gas throat connected to the air inlet end for transmitting air to the straight tube assembly, and an explosion-proof component provided in the gas throat; a rubber guide tube provided in the bottle cap comprises a first tube section provided along the axial direction of the bottle body and a second tube section perpendicular thereto; a second step is provided on the tube wall between the entrances of the two tube sections, and a rubber plug is provided between the entrance of the first tube section and the second step. In the present invention, when the pressure in the bottle body is too high, the gas release hole of the explosion-proof component in the gas throat is connected to the atmosphere, and the air in the bottle body can be released through the gas release hole, thereby reducing the high pressure in the bottle body, and ensuring the safety of the use of the pneumatic tire repair glue bottle. The present invention has a simple structure and low cost, and at the same time provides a guarantee for the safe operation of the tire repair process.

Description

A pneumatic tire repair glue bottle

technical field

The invention relates to a tire repair glue bottle, more specifically, to a pneumatic tire repair glue bottle.

Background technique

In the prior art, in the process of repairing the tire, the air generated by the air compressor is usually used to press the glue in the glue bottle into the tire, and then the pressed glue is evenly covered by the car moving forward at a slow speed. Inner wall to realize tire repair. The tire repairing process is simple and easy to operate. However, during this process, the valve core of the tire connected to the glue bottle may be blocked, or the glue outlet of the glue bottle cap may not be opened smoothly under the action of air. The pressure will continue to increase and there is a danger of explosion.

Contents of the invention

The technical problem to be solved by the present invention is to provide a glue bottle that can automatically reduce the high pressure in the glue bottle and ensure the use of glue in view of the disadvantages of the prior art that the valve core is blocked and the glue outlet is closed. Safe pneumatic tire sealant bottle.

The technical problem solved by the present invention is achieved through the following technical solutions: a pneumatic tire repair glue bottle is provided, comprising a bottle body for containing glue, the bottle body is provided with a glue outlet opening and an air inlet hole, and the glue outlet opening is A bottle cap is provided, the air inlet hole is connected with a straight pipe assembly which is inserted into the bottle body and delivers air to the bottle body, and the air inlet end of the straight pipe assembly is connected with a gas pipe assembly for delivering air to the straight pipe assembly Throat; the gas throat is provided with an explosion-proof piece to prevent the explosion of the bottle body;

A glue guide tube is arranged in the bottle cap; the glue guide tube includes a first pipe section arranged axially along the bottle body and a second pipe section perpendicular to the first pipe section; the second pipe section and the glue throat In communication with each other, a second step is provided on the pipe wall between the entrance of the first pipe section and the entrance of the second pipe section, and a second step is provided between the entrance of the first pipe section and the second step There is a rubber plug; the connection between the second pipe section and the first pipe section is located between the second step and the tail end of the first pipe section.

In the above-mentioned pneumatic tire repair glue bottle, the explosion-proof component includes a rear case, a front case connected to the rear case, a tapered piston movably connected to the rear case, and the end of the rear case There is a gas release hole on the upper part, and a spring is arranged in the front housing. One end of the spring is placed in a cavity matching the shape of the spring in the front housing, and the other end is socketed with the end cylinder on the tapered piston. A lock washer is fixedly installed between the rear shell and the front shell, and the lock washer has an exhaust groove.

In the above pneumatic tire sealant bottle, the explosion-proof component is located at the air inlet end of the gas throat.

In the above-mentioned pneumatic tire repair glue bottle, a neck tube is provided at the glue outlet opening of the bottle body, and an external thread is provided on the neck tube; a receiving chamber is provided on the bottle cap, and the inner wall of the receiving chamber There is an internal thread suitable for the external thread; the first pipe section is arranged in the accommodating chamber, and the sealing gasket is arranged between the neck pipe and the top surface of the accommodating chamber; the first The tail end of the pipe section extends to the top of the accommodation chamber, and the second pipe section is arranged in the top of the accommodation chamber.

In the above-mentioned pneumatic tire repair glue bottle, the straight pipe assembly includes a straight pipe connector, a first straight pipe, and a second straight pipe connected in sequence, and a straight pipe is arranged between the straight pipe connector and the first straight pipe. Tube seal air ring; the connection between the first straight tube and the second straight tube is provided with a straight tube gasket to prevent the glue from leaking in the bottle.

In the above pneumatic tire repair glue bottle, both the straight tube gasket and the straight tube sealing ring are O-rings.

In the above-mentioned pneumatic tire repair glue bottle, the first straight pipe is also provided with a straight pipe sponge to prevent the glue from flowing into the gas throat when the pneumatic tire repair glue bottle is turned upside down.

In the above-mentioned pneumatic tire sealant glue bottle, the straight pipe connector is engaged with the air intake hole, and the gap between the two is filled with sealant.

In the above-mentioned pneumatic tire sealant glue bottle, the straight pipe connector is screwed to the gas throat pipe, and a sealing gasket is provided between the two.

In the above pneumatic tire repair glue bottle, the end of the glue throat that is not connected to the bottle cap is provided with a tire joint.

Implementing the pneumatic tire repair glue bottle of the present invention can obtain the following beneficial effects: in the present invention, an explosion-proof piece is set on the gas throat, and in the process of tire repair, when the pressure in the glue bottle is too large, the air can pass through the explosion-proof piece The gas release hole on the top of the glue bottle flows out, thereby reducing the high pressure in the glue bottle and ensuring the safety in the process of tire repair; in addition, by using a bottle cap with a rubber tube, and setting a step and a rubber plug in the first section of the rubber tube , the rubber plug can move in the first pipe section with the pressure inside the bottle, so that not only can the glue supply to the damaged part of the tire be realized by changing the air pressure inside the bottle, but also avoid causing damage when the pressure inside the bottle fluctuates. Glue leakage and glue bottle damage. The tire repair glue bottle of the present invention has simple structure and low cost, can effectively reduce the pressure in the glue bottle, ensures safe use and is convenient for storage.

Description of drawings

The present invention will be further described in detail through the drawings and specific embodiments below. In the attached picture:

Fig. 1 is the connection schematic diagram when using the pneumatic tire repair glue bottle of the present invention;

Fig. 2 is a schematic diagram of an exploded structure of a pneumatic tire repair glue bottle according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of an exploded structure of a straight pipe assembly in a pneumatic tire repair glue bottle according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of an exploded structure of an explosion-proof part according to an embodiment of the present invention;

Fig. 5A is a cross-sectional view when the gas release hole of the explosion-proof part is closed according to the embodiment of the present invention;

Fig. 5B is a cross-sectional view when the gas release hole of the explosion-proof part is opened according to the embodiment of the present invention;

Fig. 6 is a cross-sectional view of a pneumatic tire repair glue bottle according to an embodiment of the present invention;

Figure 7 is an enlarged schematic view of A in Figure 6;

Fig. 8A is a schematic diagram of the position a of the rubber plug in the bottle cap of the pneumatic tire repair glue bottle of the embodiment of the present invention at normal temperature and pressure;

Fig. 8B is a schematic diagram of the position b of the rubber plug in the cap of the pneumatic tire repair glue bottle water bottle in the embodiment of the present invention when it is heated and expanded;

Fig. 8C is a schematic diagram of the position c of the rubber plug in the cap of the pneumatic tire repair glue bottle according to the embodiment of the present invention when compressed air is added.

detailed description

The front and rear orientations of the present invention are defined as follows: when the air compressor supplies air to the tire repair glue bottle, the orientation of the air compressor is the rear, and the orientation of the glue bottle is the front.

As shown in Figure 1-8C, the pneumatic tire repair glue bottle of the present invention includes a bottle body 1 for containing glue, the bottle body 1 is provided with a glue outlet opening 11 and an air inlet 4, and the glue outlet opening 12 is provided with a bottle cap 2. The air inlet 12 is connected with a straight pipe assembly 5 which is inserted into the bottle body 1 and transmits air to the bottle body 1 . An explosion-proof piece 7 for preventing the explosion of the bottle body 1 is provided in the gas throat 6 . A rubber guide tube is arranged inside the bottle cap 2 ; the rubber guide tube includes a first pipe section 21 arranged axially along the bottle body 1 and a second pipe section 22 arranged perpendicular to the first pipe section 21 . The tail section 222 of the second pipe section 22 communicates with the glue throat 3 so as to guide the glue in the bottle to the tire. A first step 25 is provided at the entrance 211 of the first pipe section 21, and a second step 26 is provided on the pipe wall between the entrance 211 of the first pipe section 21 and the entrance 221 of the second pipe section 22. A rubber plug 26 is provided between the entrance 211 of 21 and the second step 26;

Through the above-mentioned structure, under the action of the air produced by the air compressor, the gas throat 6, the straight pipe assembly 5, the bottle cap 2 (especially the glue guide tube in the bottle cap 2) and the glue throat 3 form a passage. The glue flows out into the tire through the bottle cap 2 and the glue throat 3, and at the same time, after the glue is used up, a certain amount of air can be added to the tire through this passage; in addition, when the pressure in the glue bottle body 1 is too large, The explosion-proof part 7 in the gas throat 6 can communicate with the atmosphere automatically, reducing the high pressure in the bottle body 1 .

Referring to Fig. 3, the straight pipe assembly 5 of the present invention includes a straight pipe connector 52, a first straight pipe 53 and a second straight pipe 54 connected in sequence; the straight pipe connector 52 is the inlet end of the straight pipe assembly 5; The pipe gasket 51 is located at the open end of the second straight pipe 54 , that is, the gas outlet end of the straight pipe assembly 5 . In order to ensure the airtightness of the straight pipe assembly 5, the straight pipe balloon 55 can be fixedly sealed between the screwed straight pipe connector 52 and the first straight pipe 53, and the first straight pipe 53 and the second straight pipe 54 A straight pipe gasket 51 that prevents the glue from leaking in the bottle body 1 is provided at the joint. Both the straight pipe gasket 51 and the straight pipe sealing ring 55 here are O-rings. In addition, in another embodiment, a straight pipe sponge 56 is provided in the first straight pipe 53 . When the air generated by the air compressor enters the straight pipe assembly 5, the air first passes through the straight pipe sponge 56 and then enters the second straight pipe 54. The straight pipe sponge 56 can prevent the glue from flowing into the air when the pneumatic tire repair glue bottle is turned upside down. in the throat.

The explosion-proof part 7 provided in the gas throat 6 is a key structure to ensure the safe use of the tire repair glue bottle of the present invention. In Fig. 4-5B, the explosion-proof component 7 includes a rear case 71, a front case 72 connected to the rear case 71, a conical piston 73 movably connected to the rear case 71, and the end of the rear case 71 is provided with a gas release hole 711, the front housing 72 is provided with a spring 74, one end of the spring 74 is placed in the cavity matching the shape of the spring 74 in the front housing 72, the other end is socketed with the end cylinder 731 on the tapered piston 73, and the rear A locking washer 76 is fixedly installed between the housing 71 and the front housing 72 , and the locking washer 76 has an exhaust groove 761 . Wherein, the locking washer 76 is integrally formed with the rear housing 71 . In addition, the locking washer 76 is provided with an annular groove, and an O-ring 762 is arranged in the annular groove. When the explosion-proof part 7 is assembled, a sealing gasket 77 is further provided between the front housing 72 and the locking washer 76 to realize the sealing of the front housing 72 and the locking washer 76; at this time, only the exhaust gas is left between the two The void of the slot 761 is subsequently used to release gas. Explosion-proof parts 7 realize the process of inflating and exhausting as follows: when the compressor is working, the conical piston 73 compresses the spring 74 under the action of air pressure, and the conical piston 73 moves forward to the housing 72, and the gas release hole 711 is thus conical. Type piston 73 is blocked, so the air can enter the decompression valve from the rear housing 71 through the groove on the surface of the tapered piston 73 and finally enter the bottle body 1. At this time, only a small amount of gas is discharged from the gas release hole; when the bottle When the pressure in the body 1 is too high, the spring 74 resists the conical piston 73 and moves toward the rear housing 71 until the gas release hole 711 is no longer blocked, at this time, the air can pass through the gas release hole 711 through the lock washer 76 Exhaust slot 761 exhausts.

The position of the explosion-proof component 7 in the gas pipe 6 is not limited, and its installation position does not affect its implementation effect. In another embodiment, the explosion-proof component 7 is adjacent to the connection between the gas throat 6 and the inlet end of the straight pipe assembly; the explosion-proof component 7 may also be located in the middle of the gas throat 6 . The working process and working principle of the explosion-proof parts 7 at different positions are the same, so the description will not be repeated here.

In the present invention, the rubber plug 24 can move in the first pipe section 21 according to the pressure change in the bottle body 1, so as to block or let go of the rubber outlet as required. As shown in FIG. 8A , under normal temperature and normal pressure, the rubber plug 24 is located between the entrance 211 of the first pipe section 21 and the second step 26 , that is, position a. At this time, the rubber plug 24 blocked the glue outlet, and the glue in the bottle body 1 could not flow out. As shown in Figure 8C, when the compressor is working, the pressure in the bottle body 1 suddenly increases, and the rubber plug 24 moves to between the connection between the second pipe section 22 and the first pipe section 21 and the tail end 212 of the first pipe section 21 ( position c), at this time, the first pipe section 21 and the second pipe section 22 form a passage, and the glue can flow from the bottle body 1 to the damaged part of the tire through the glue pipe 3 through the glue guide tube. Can realize the glue supply to tire damage by changing the air pressure in the bottle body 1 like this, carry out tire repair. The operation process is simple and convenient, and is convenient for popularization and implementation.

Besides, a first step 25 and a second step 26 are respectively provided in the first pipe section 21 between the entrance 211 and the entrance 211 to the entrance 221 of the second pipe section 22 . When the temperature in the bottle body 1 increases and the glue expands due to changes in the surrounding environment, although the rubber plug 24 can move in the first pipe section 21, it is ultimately limited by the setting of the second step 26, and its maximum moving distance is from The inlet 211 of the first pipe section 21 moves to the second step 26 (position b), and finally gets stuck at the second step 26 (as shown in FIG. 8B ). When the temperature in the bottle body 1 decreases due to changes in the surrounding environment and the bottle body 1 shrinks, the rubber plug 24 is stuck at the first step 25 and will not move into the bottle body due to external pressure and cause glue leakage. Therefore, the setting of the first step 25 and the second step 26 can ensure that when the glue bottle containing glue is stored under extreme environmental conditions, the glue bottle will not leak or be damaged due to changes in ambient temperature.

Further, as shown in FIGS. 2 and 7 , a neck tube 12 is provided at the opening of the bottle body 1 , and an external thread is provided on the neck tube 12 . An accommodating cavity 27 is provided on the bottle cap 2 , and an internal thread matching the external thread is provided on the inner wall of the accommodating cavity 27 . The first tube section 21 of the glue guide tube is arranged in the housing cavity 27, the sealing gasket 23 is arranged between the neck tube 12 and the top surface of the housing cavity 27, and the neck tube 12 ends compress the sealing gasket 23; in operation like this, The glue can be prevented from flowing out from the connection gap between the bottle body 1 and the bottle cap 2 . The tail end 212 of the first pipe section 21 extends to the top of the accommodation chamber 27 , and the second pipe section 22 is embedded in the top 271 of the accommodation chamber 27 . Wherein, the top surface and the top here refer to the corresponding part of the accommodating cavity 27 and the top of the bottle cap 2 .

As mentioned above, the working principle of the pneumatic tire repair glue bottle of the present invention is as follows:

State 1: Before tire repair, the pneumatic tire repair glue bottle is installed upside down in the air compressor, and the air compressor is not working; at this time, the straight pipe gasket 51 at the air outlet end of the straight pipe assembly 5 is blocked to ensure the glue in the bottle body 1 Will not flow out from the straight pipe assembly, the rubber plug 24 set in the bottle cap is located at the opening of the first pipe section 21, ensuring that the glue in the bottle body 1 will not flow out into the glue throat 3 through the bottle cap;

State 2: During the normal tire repair process, the glue pipe 3 is connected to the tire valve core to be repaired, the air compressor starts to work, the gas release hole 711 of the explosion-proof part 7 is blocked, and the air generated by the air compressor passes through the gas The throat pipe 6 enters the straight pipe assembly 5, and flushes the straight pipe gasket 51 at the gas outlet end of the straight pipe assembly 5; at this time, the pressure in the bottle body 1 increases, and the continuously increasing pressure moves the rubber plug 24 in the bottle cap 2 to At the end of the first pipe section 21, the glue in the bottle body 1 flows into the tire through the glue guide tube of the bottle cap 2 and through the glue throat 3, and at the same time, the tire is inflated to a certain pressure through the above passage;

State 3: If an abnormal situation occurs during the tire repair process, specifically, when the tire valve core is blocked or the rubber plug 24 in the bottle cap cannot be opened, the air generated by the air compressor continues to enter the bottle body 1, causing the bottle body to The pressure in 1 is too large; at this time, the gas release hole 711 of the explosion-proof part 7 is no longer blocked, and the gas can be discharged through the gas release hole 711 and the exhaust groove 761 on the lock washer 76, thereby reducing the excessive pressure in the bottle body 1. great pressure;

State 4: after the tire repair is completed (or after the tire repair is interrupted due to abnormal conditions), the glue pipe 3 is separated from the tire valve core, and the tire repair operation is ended or interrupted.

In state three, there may also be another abnormal situation, that is, after the air compressor starts to work, the air generated cannot flush the straight pipe gasket 51 at the outlet end of the straight pipe assembly; at this time, the pressure in the bottle body 1 is not affected. impact, the high pressure of the straight pipe assembly and the gas throat 6 will cause the gas release hole 711 of the explosion-proof component 7 to no longer be blocked, and the gas can be discharged through the gas release hole 711 and the exhaust groove 761 on the lock washer 76, and can also be Avoid dangers that may be caused by excessive pressure in the straight pipe assembly and the gas throat 6.

Since the present invention is a pneumatic tire repair glue bottle, the airtightness of the whole device is required to be relatively high, and the present invention has the following structure in order to improve the airtightness of the device: (1) The straight pipe connector 52 is clamped on the air inlet After step 4, sealant is filled in the gap between the two; (2) the straight pipe connector 52 is screwed with the gas throat pipe 6, and a gasket is set between the two; (3) the straight pipe connector 52 is connected to the A straight pipe sealing ring 55 is arranged between the first straight pipes 53 .

On the other hand, since the pneumatic tire repair glue bottle of the present invention is installed upside down in the air compressor, the sealability of the bottle cap 2 of the upside-down glue bottle must be guaranteed, specifically including the following structures: (1) neck tube 12 and A sealing gasket 23 is arranged between the top surfaces of the accommodating cavity 27; (2) A rubber plug 24 is used to enhance the sealability of the inner rubber tube of the bottle cap 2 .

In addition, a locking ring 28 is provided at the joint between the glue guide tube and the glue throat 3 , and one end of the glue throat 3 is snapped into the locking ring 28 , so as to be fixedly connected to the bottle cap 2 . Adopting the design of the locking ring 28 helps to enhance the tightness of the connection between the bottle cap 2 and the glue throat 3, and prevents the glue from leaking out of the gap between the two. The other end of the glue throat 3 (that is, the end where the bottle cap 2 is connected) is provided with a tire joint 31 so as to be connected with the tire to be repaired.

To sum up, through the pneumatic tire repair glue bottle of the present invention, on the one hand, the glue can flow into the tire under the action of air during the tire repair process to complete the tire repair; on the other hand, when the pressure in the glue bottle is too large, , The explosion-proof parts can be connected to the atmosphere, effectively reducing the high pressure in the bottle, and ensuring the safety of the glue bottle. Moreover, the sealing property of the present invention is good, and the problem of low tire repair efficiency caused by glue leakage or air leakage will not occur.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement or improvement made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. a kind of vapour-pressure type tyre cement water bottle, include accommodating the bottle (1) of glue, the bottle (1) be provided with plastic emitting opening and Air admission hole (4), the plastic emitting opening are provided with bottle cap (2), and the air inlet (4) is connected with insertion bottle (1) and to institute State the straight tube component (5) that bottle (1) transmits air, it is characterised in that the inlet end connection of the straight tube component (5) is promising described Straight tube component (5) transmits the gas pipe (6) of air；The gas pipe (6) is provided with the explosion-proof part for preventing that bottle (1) from exploding (7)；

It is provided with the bottle cap (2) and leads sebific duct；The sebific duct of leading is included along the first axially arranged pipeline section of the bottle (1) (21) the second pipeline section (22) and perpendicular to first pipeline section (21) set；Second pipeline section (22) and glue trunnion (3) It is connected；First step (25) is provided with entrance (211) place of first pipeline section (21), in entering for the first pipeline section (21) Tube wall between mouthful (211) place to the entrance (221) of second pipeline section (22) is provided with second step (26), described the Entrance (211) place of one pipeline section (21) is to being provided with rubber plug (26) between the second step (26)；Second pipeline section (22) it is located at the tail end of the second step (26) and first pipeline section (21) with the connectivity part of first pipeline section (21) (212) between；

The explosion-proof part (7) includes back casing (71), the procapsid (72) being connected with the back casing (71) and the back casing The tapered piston (73) of flexible connection, back casing (71) end are provided with gas release hole (711), and the procapsid (72) is interior Provided with spring (74), described spring (74) one end is placed in procapsid (72) and in the cavity of spring (74) form fit, separately One end is socketed with the termination cylinder (731) on the tapered piston (73), solid between the back casing (71) and procapsid (72) Dingan County is equipped with lock washer (76), has air discharge duct (761) on the lock washer (76).

2. vapour-pressure type tyre cement water bottle according to claim 1, it is characterised in that the explosion-proof part (7) is located at the gas The inlet end of body trunnion (6).

3. vapour-pressure type tyre cement water bottle according to claim 1, it is characterised in that the plastic emitting opening of the bottle (1) Neck tube (12) is provided with, external screw thread is provided with the neck tube (12)；An accommodating chamber (27), institute are provided with the bottle cap (2) State accommodating chamber (27) inwall and be provided with the internal thread being adapted with the external screw thread；

First pipeline section (21) is arranged in the accommodating chamber (27), in the neck tube (12) and the accommodating chamber (27) top surface Between be provided with sealing gasket (23)；

First pipeline section (21) tail end (212) is extended at the top of the accommodating chamber (27) (271), and second pipeline section (22) sets Put interior at the top of the accommodating chamber (27) (271).

4. vapour-pressure type tyre cement water bottle according to claim 1, it is characterised in that the straight tube component (5) is included successively Straight tube connector (52), the first straight tube (53) and the second straight tube (54) of connection, the straight tube connector (52) and first straight Straight tube gas sealing ring (55) is provided between pipe (53), first straight tube (53) prevents with being provided with for the junction of the second straight tube (54) The straight tube pad (51) of the interior glue leakage of bottle (1).

5. vapour-pressure type tyre cement water bottle according to claim 4, it is characterised in that the straight tube pad (51) and described straight Pipe gas sealing ring (55) is O-ring.

6. vapour-pressure type tyre cement water bottle according to claim 4, it is characterised in that be additionally provided with first straight tube (53) The straight tube sponge (56) for preventing glue from flowing in the gas pipe (6) when the vapour-pressure type tyre cement water bottle is inverted.

7. vapour-pressure type tyre cement water bottle according to claim 4, it is characterised in that the straight tube connector (52) with it is described Air admission hole (4) clamping, and gap embedding therebetween has fluid sealant.

8. vapour-pressure type tyre cement water bottle according to claim 4, it is characterised in that the straight tube connector (52) with it is described Gas pipe (6) is spirally connected, and is provided with sealing shop therebetween.

9. vapour-pressure type tyre cement water bottle according to claim 1, it is characterised in that the glue trunnion (3) not with it is described One end of bottle cap (2) connection connects mouth (31) provided with tire.