Mixing device, mixing method, bottle unit, and flat tire repair kit

Abstract

The invention provides a mixing device capable of suppressing reverse flow of puncture repair liquid when supply of compressed air is stopped. The mixing device according to the present invention comprises: a mixing chamber in which a space for mixing a flat tire repair liquid with compressed air is defined; a first inlet for supplying compressed air to the mixing chamber; a second inlet for supplying the puncture repair liquid to the mixing chamber; and the outlet is used for discharging the mixture of the flat tire repair liquid and the compressed air from the mixing chamber. The mixing chamber includes an upper member defining a top surface of the space in a use state, and a lower member defining a bottom surface of the space. A second inlet (8) is formed in the upper member. The upper member moves in a direction away from the bottom surface by the supply of compressed air to communicate the second inlet, the first inlet, and the outlet via the mixing chamber, and moves toward the bottom surface by stopping the supply of compressed air to close the communication of the second inlet, the first inlet, and the outlet.

Description

Technical Field

[0001] The present invention relates to a mixing device for mixing a flat tire repair fluid with compressed air, a mixing method using the mixing device, a bottle unit including the mixing device, and a flat tire repair kit including the bottle unit. Background Art

[0002] Conventionally, there are known puncture repair kits for repairing a punctured tire or other object. For example, Patent Document 1 below proposes a puncture repair kit for repairing a punctured tire by sequentially injecting a puncture repair fluid and compressed air into the punctured object using compressed air from a compressor.

[0003] Patent Document 1: Japanese Patent Application Publication No. 2017-056662

[0004] However, in the flat tire repair kit of Patent Document 1, when the compressor is stopped before all the flat tire repair fluid is supplied, the remaining flat tire repair fluid may flow back into the compressor. Summary of the invention

[0005] The present invention has been made in view of the above actual situation, and its main object is to provide a mixing device, a mixing method, a bottle unit and a flat tire repair kit that can suppress the backflow of flat tire repair fluid when the supply of compressed air is stopped.

[0006] The mixing device of the present invention comprises: a mixing chamber which defines a space for mixing a flat tire repair fluid and compressed air; a first inlet which is used to supply the compressed air to the mixing chamber; a second inlet which is used to supply the flat tire repair fluid to the mixing chamber; and an outlet which is used to discharge the mixture of the flat tire repair fluid and the compressed air from the mixing chamber, wherein the mixing chamber comprises: an upper member which defines a top surface of the space in a use state, and a lower member which defines a bottom surface of the space, wherein the second inlet is formed on the upper member, the upper member moves in a direction away from the bottom surface by the supply of the compressed air, thereby connecting the second inlet, the first inlet, and the outlet via the mixing chamber, and the upper member moves toward the bottom surface by stopping the supply of the compressed air, thereby closing the connection among the second inlet, the first inlet, and the outlet.

[0007] The mixing device of the present invention includes the above-mentioned structure, and thus can suppress the backflow of the flat tire repair fluid even when the supply of compressed air is stopped. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a cross-sectional view schematically showing one embodiment of the flat tire repair kit of the present invention.

[0009] Figure 2 yes Figure 1 A cross-sectional view of the flat tire repair kit when the supply of compressed air is stopped.

[0010] Figure 3 It is a top view of the upper part.

[0011] Figure 4 This is a graph showing an example of the pressure in the mixing chamber when compressed air is supplied.

[0012] Figure 5 : is a flow chart of the hybrid method of this embodiment.

[0013] Figure 6 It is a cross-sectional view of a flat tire repair kit according to a second embodiment.

[0014] Figure 7 It is a cross-sectional view of a flat tire repair kit according to a third embodiment.

[0015] Figure 8 It is a cross-sectional view of the flat tire repair kit according to the fourth embodiment before the supply of compressed air starts.

[0016] Fig. 9 It is a cross-sectional view of a flat tire repair kit according to a fifth embodiment.

[0017] Fig.10 yes Fig. 9 A cross-sectional view of the flat tire repair kit when the supply of compressed air is stopped.

[0018] Fig.11 It is a cross-sectional view of a flat tire repair kit according to a sixth embodiment.

[0019] Fig.12 yes Fig.11 A cross-sectional view of the flat tire repair kit when the supply of compressed air is stopped.

[0020] Fig.13 It is a cross-sectional view of a flat tire repair kit according to a seventh embodiment.

[0021] Fig.14 It is a top view of the upper member of the seventh embodiment.

[0022] Fig.15 It is a top view of an upper member according to another embodiment.

[0023] Explanation of reference numerals: 4...mixing device; 6...mixing chamber; 6a...top surface; 6b...bottom surface; 7...first inlet; 8...second inlet; 9...outlet; 10...upper part; 11...lower part. DETAILED DESCRIPTION

[0024] Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

[0025] Figure 1 FIG. 1 is a cross-sectional view schematically showing a tire blowout repair kit 1 according to the present embodiment. Figure 1 As shown, the flat tire repair kit 1 is suitable for filling a flat tire repair fluid R and compressed air A into an object T such as a flat tire, for example.

[0026] The flat tire repair kit 1 of the present embodiment includes: a bottle unit 2 for supplying a mixture of a flat tire repair liquid R and compressed air A, and a compressor 3 for supplying compressed air A. The bottle unit 2 of the present embodiment includes: a mixing device 4 for mixing the flat tire repair liquid R and the compressed air A, and a container 5 for containing the flat tire repair liquid R.

[0027] Such a bottle unit 2 facilitates the installation of the mixing device 4 and the container 5, which helps to shorten the time required for flat tire repair. In addition, the mixing device 4 can pre-mix the flat tire repair liquid R and the compressed air A before filling the object T, thereby shortening the time required for flat tire repair.

[0028] The mixing device 4 of the present embodiment includes a mixing chamber 6 that defines a space for mixing the flat tire repair fluid R and the compressed air A. The mixing device 4 preferably includes a first inlet 7 for supplying the compressed air A to the mixing chamber 6 and a second inlet 8 for supplying the flat tire repair fluid R to the mixing chamber 6. The mixing device 4 of the present embodiment includes an outlet 9 for discharging the mixture of the flat tire repair fluid R and the compressed air A from the mixing chamber 6.

[0029] The mixing chamber 6 of this embodiment includes an upper member 10 defining a top surface 6a of the space in use and a lower member 11 defining a bottom surface 6b of the space. The upper member 10 of this embodiment is formed with a second inlet 8. The lower member 11 is formed with, for example, a first inlet 7 and an outlet 9.

[0030] Preferably, the upper member 10 is moved in a direction away from the bottom surface 6b by the supply of compressed air A, so that the second inlet 8, the first inlet 7 and the outlet 9 are connected via the mixing chamber 6. The upper member 10 of the present embodiment is moved in a direction away from the bottom surface 6b by the supply of compressed air A, and the second inlet 8 is opened. The mixing chamber 6 of the present embodiment is formed by the movement of the upper member 10 caused by the supply of compressed air A. Such a mixing chamber 6 can repeat a positive pressure state and a negative pressure state by the pulsation of the compressed air A supplied from the compressor 3, and the flat tire repair liquid R is dripped from the second inlet 8 into the mixing chamber 6 to generate a mixture.

[0031] Figure 2 yes Figure 1A cross-sectional view of the tire puncture repair kit 1 when the supply of compressed air A is stopped. Figure 1 as well as Figure 2 As shown, the upper member 10 preferably moves toward the bottom surface 6b by stopping the supply of compressed air A, closing the connection between the second inlet 8, the first inlet 7 and the outlet 9. The upper member 10 of this embodiment moves toward the bottom surface 6b by stopping the supply of compressed air A, and abuts against at least a portion of the bottom surface 6b, thereby closing the second inlet 8.

[0032] In such an upper member 10, even when the first inlet 7 is depressurized by stopping the supply of the compressed air A, the second inlet 8 is closed, thereby preventing the flat tire repair fluid R remaining in the container 5 from flowing back to the first inlet 7. In addition, even when the outlet 9 is depressurized due to disconnection from the object T when the supply of the compressed air A is stopped, the second inlet 8 is closed, thereby preventing the flat tire repair fluid R remaining in the container 5 from being ejected from the outlet 9. Therefore, the mixing device 4 of the present embodiment can prevent the flat tire repair fluid R from flowing back and ejecting even when the supply of the compressed air A is stopped.

[0033] As a more preferred embodiment, the container 5 has a mouth 5a for containing the flat tire repair liquid R in the container 5. The mixing device 4 of this embodiment is mounted on the mouth 5a of the container 5. The mixing device 4 and the mouth 5a are preferably sealed by a sealing member 12. Such a container 5 does not need to form a separate outlet for taking out the flat tire repair liquid R, which helps to reduce manufacturing costs.

[0034] The mixing device 4 preferably includes a protrusion 13 that defines the position of the upper member 10 when it moves upward by supplying the compressed air A. The protrusion 13 of the present embodiment is configured as a separate member from the lower member 11 and is attached to the lower member 11. The protrusion 13 may be provided continuously in the circumferential direction or partially in the circumferential direction, for example.

[0035] Such a protrusion 13 can be assembled after combining the upper member 10 and the lower member 11, is easy to manufacture, and can reliably prevent the upper member 10 from falling off. In addition, the protrusion 13 can also be formed integrally with the lower member 11. In this case, the upper member 10 and the lower member 11 are preferably combined by elastically deforming at least one of them.

[0036] The lower part 11 of the present embodiment defines the side 6c that connects the top surface 6a and the bottom surface 6b of the space. The mixing chamber 6 is, for example, a cylindrical shape in which the top surface 6a and the bottom surface 6b are circular. Thus, the side 6c of the mixing chamber 6 is cylindrical. Such a mixing chamber 6 does not have a corner on the side 6c, which is suitable for reducing the stagnation in the mixing chamber 6.

[0037] Figure 3 1 is a top view of the upper component 10. Figure 3 As shown, the upper member 10 defining the top surface 6a of the space of this embodiment is a plate-shaped member having the top surface 6a as one surface. The upper member 10 is preferably in the shape of a circular plate. Such an upper member 10 is easy to process and helps to reduce manufacturing costs.

[0038] The upper member 10 is formed of, for example, a rubber member. Such an upper member 10 can absorb the impact during movement, and contribute to suppressing unnecessary movement caused by pulsation of the compressor 3 by the friction between the upper member 10 and the side surface 6 c of the mixing chamber 6 .

[0039] The second inlet 8 includes at least one through hole 8a, and in this embodiment, includes three through holes 8a. The three through holes 8a in this embodiment are elliptical in shape with a long diameter d1 and a short diameter d2 when viewed from above. The three through holes 8a are arranged, for example, along the long diameter d1. The long diameter d1 of the through hole 8a is preferably 1.1 to 2.5 times the short diameter d2.

[0040] Such a second inlet 8 can efficiently drip the flat tire repair liquid R into the mixing chamber 6 by the differential pressure generated by the pulsation of the compressor 3. In addition, the second inlet 8 is not limited to such a form, and can be, for example, circular or slit-shaped. In addition, the number of through holes 8a constituting the second inlet 8 can be one or more, and can be appropriately changed.

[0041] Figure 4 This is a graph showing an example of the pressure in the mixing chamber 6 when the compressed air A is supplied. Figure 4 The horizontal axis is the time (s) from the start of the supply of compressed air A, and the vertical axis is the pressure (kPa) in the mixing chamber 6. Figure 4 As shown, the pressure in the mixing chamber 6, for example, immediately after the supply of compressed air A begins, the initial pressure becomes above 50 kPa, and due to the pulsation of the compressor 3, the positive pressure state and the negative pressure state are repeated, thereby generating a certain amplitude of differential pressure and slightly increasing overall.

[0042] The flat tire repair liquid R is supplied from the second inlet 8 to the mixing chamber 6 of the present embodiment by the differential pressure generated by the pulsation of the compressor 3. The differential pressure generated by the pulsation of the compressor 3 is preferably 20 kPa or more. Such a mixing device 4 is suitable for efficiently dripping the flat tire repair liquid R into the mixing chamber 6.

[0043] Next, refer to Figures 1 to 4 A mixing method of mixing the flat tire repair fluid R and the compressed air A using the mixing device 4 of the present embodiment will be described. Figure 5 : is a flow chart of the hybrid method of this embodiment.

[0044] like Figure 5 As shown, the mixing method of this embodiment includes a first step S1 of forming the mixing chamber 6 by moving the upper member 10 away from the bottom surface 6b by supplying compressed air A. The first step S1 is preferably to form the mixing chamber 6 by moving the upper member 10 away from the bottom surface 6b by initial pressure.

[0045] The mixing method of this embodiment includes a second step S2 of mixing the flat tire repair liquid R and the compressed air A in the mixing chamber 6 and discharging the mixture from the outlet 9. The second step S2 preferably supplies the flat tire repair liquid R from the second inlet 8 by the differential pressure generated by the pulsation of the compressor 3.

[0046] Preferably, the upper member 10 smoothly moves in a direction away from the bottom surface 6b by the initial pressure in the first step S1 to open the second inlet 8, and in the second step S2, does not move under the differential pressure caused by pulsation, but drips the flat tire repair liquid R from the second inlet 8 into the mixing chamber 6. Such an upper member 10 can suppress the pressure loss caused by the movement of the upper member 10, and can efficiently drip the flat tire repair liquid R into the mixing chamber 6.

[0047] The mixing method of the present embodiment includes a third step S3 of moving the upper member 10 toward the bottom surface 6b by stopping the supply of compressed air A. In the third step S3, even when the first inlet 7 is depressurized by stopping the supply of compressed air A, the second inlet 8 is closed, thereby preventing the flat tire repair fluid R remaining in the container 5 from flowing back toward the first inlet 7.

[0048] In addition, in the third step S3, even when the outlet 9 is depressurized due to disconnection from the object T when the supply of the compressed air A is stopped, the second inlet 8 is closed, thereby preventing the flat tire repair fluid R remaining in the container 5 from being sprayed out from the outlet 9 side. Therefore, the mixing method of the present embodiment can prevent the backflow and spraying of the flat tire repair fluid R even when the supply of the compressed air A is stopped.

[0049] Figure 6 FIG. 2 is a cross-sectional view of a tire puncture repair kit 21 according to a second embodiment. The same elements as those in the above-mentioned embodiment are denoted by the same reference numerals, and their description is omitted. Figure 6 As shown, the flat tire repair kit 21 of the second embodiment includes: a bottle unit 22 for supplying a mixture of a flat tire repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similarly to the flat tire repair kit 1 described above.

[0050] The bottle unit 22 of the second embodiment is similar to the bottle unit 2 described above, and includes a mixing device 23 for mixing the puncture repair fluid R with the compressed air A, and a container 5 for containing the puncture repair fluid R. The mixing device 23 of the second embodiment is similar to the mixing device 4 described above, and includes a mixing chamber 24 that defines a space for mixing the puncture repair fluid R with the compressed air A, a first inlet 7, a second inlet 8, and an outlet 9.

[0051] The mixing chamber 24 of the second embodiment includes: an upper member 10 defining a top surface 24a of the space in the use state, and a lower member 25 defining a bottom surface 24b of the space. The lower member 25 defines, for example, a side surface 24c connecting the top surface 24a and the bottom surface 24b of the space. Preferably, the upper member 10 is formed with a second inlet 8, and the lower member 25 is formed with a first inlet 7 and an outlet 9.

[0052] The upper member 10 of the second embodiment moves in a direction away from the bottom surface 24b by supplying the compressed air A, thereby opening the second inlet 8. The upper member 10 of the second embodiment moves toward the bottom surface 24b by stopping the supply of the compressed air A, and abuts against at least a portion of the bottom surface 24b, thereby closing the second inlet 8. Such a mixing device 23 can suppress the backflow and spraying of the flat tire repair fluid R even when the supply of the compressed air A is stopped.

[0053] The mixing device 23 of the second embodiment includes: a protrusion 13 that defines the position of the upper member 10 when it moves upward; and a retaining portion 26 that is used to prevent the movement of the upper member 10 within the range of the differential pressure. The retaining portion 26 is, for example, mounted on the side surface 24c of the space. The retaining portion 26 is preferably a resistance member that protrudes from the side surface 24c toward the inner side in the radial direction.

[0054] Such a mixing device 23 can stably hold the upper member 10 by sandwiching the upper member 10 between the protrusion 13 and the holding portion 26 , and can more reliably prevent the upper member 10 from moving within the range of differential pressure caused by pulsation of the compressor 3 .

[0055] The amount of protrusion of the holding portion 26 from the side surface 24c is preferably such that resistance to the movement of the upper member 10 is imparted by the initial pressure at the start of the supply of the compressed air A or the pressure fluctuation when the supply of the compressed air A is stopped. Such a holding portion 26 can smoothly move the upper member 10 by the initial pressure at the start of the supply of the compressed air A or the pressure fluctuation when the supply of the compressed air A is stopped. In addition, the holding portion 26 may be formed integrally with the lower member 25, for example.

[0056] Figure 7 FIG. 2 is a cross-sectional view of a tire puncture repair kit 31 according to a third embodiment. The same elements as those in the above-mentioned embodiment are denoted by the same reference numerals, and their descriptions are omitted. Figure 7As shown, the flat tire repair kit 31 of the third embodiment includes: a bottle unit 32 for supplying a mixture of a flat tire repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similarly to the flat tire repair kit 1 described above.

[0057] The bottle unit 32 of the third embodiment includes, similarly to the bottle unit 2 described above, a mixing device 33 for mixing the puncture repair fluid R with the compressed air A, and a container 5 for containing the puncture repair fluid R. The mixing device 33 of the third embodiment includes, similarly to the mixing device 23 described above, a mixing chamber 24 for partitioning a space for mixing the puncture repair fluid R with the compressed air A, a first inlet 7, a second inlet 8, and an outlet 9.

[0058] The mixing chamber 24 preferably includes an upper member 10 formed with a second inlet 8, and a lower member 25 formed with a first inlet 7 and an outlet 9. The mixing device 33 is similar to the above-mentioned mixing device 23, and preferably includes, for example, a protrusion 13 that defines the position of the upper member 10 when it moves upward, and a retaining portion 26 that prevents the upper member 10 from moving within a differential pressure range. Such a mixing device 33 can suppress the backflow and spraying of the flat tire repair fluid R even when the supply of the compressed air A is stopped, and can also prevent the upper member 10 from moving within a differential pressure range caused by the pulsation of the compressor 3.

[0059] The mixing device 33 of the third embodiment includes a rupture portion 34 for rupturing a film (not shown) attached to the mouth portion 5a of the container 5. The film is attached to the mouth portion 5a, for example, so as to airtightly hold the contained flat tire repair liquid R. Such a rupture portion 34 can rupture the film of the mouth portion 5a when the mixing device 33 is attached to the container 5, and can smoothly start supplying the flat tire repair liquid R.

[0060] Figure 8 FIG. 4 is a cross-sectional view of a tire puncture repair kit 41 according to a fourth embodiment before the compressed air A starts to be supplied. The same reference numerals are used to denote the same elements as those in the above-mentioned embodiment, and their description is omitted. Figure 8 As shown, the flat tire repair kit 41 of the fourth embodiment includes: a bottle unit 42 for supplying a mixture of a flat tire repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similarly to the flat tire repair kit 1 described above.

[0061] The bottle unit 42 of the fourth embodiment includes, similarly to the bottle unit 2 described above, a mixing device 43 for mixing the flat tire repair liquid R with the compressed air A, and a container 5 for containing the flat tire repair liquid R. The mixing device 43 of the fourth embodiment includes, similarly to the mixing device 23 described above, a mixing chamber 24 ( Figure 61 and 2. The upper component 10 and the lower component 25 of the space shown in FIG. 1 , the first inlet 7 and the outlet 9 formed in the lower component 25 , and the second inlet 8 formed in the upper component 10 .

[0062] The mixing device 43 is similar to the above-mentioned mixing device 23, and preferably includes, for example, a protrusion 13 that defines the position of the upper member 10 when it moves upward, and a retaining portion 26 that is used to prevent the upper member 10 from moving within the range of the differential pressure. Such a mixing device 43 can suppress the backflow and spraying of the flat tire repair fluid R even when the supply of the compressed air A is stopped, and can also prevent the upper member 10 from moving within the range of the differential pressure caused by the pulsation of the compressor 3.

[0063] The mixing device 43 of the fourth embodiment includes a cap 44 which, after being mounted on the mouth portion 5a of the container 5, prevents leakage of the flat tire repair liquid R before supplying the compressed air A. The cap 44 is blown away in the container 5 by, for example, the initial pressure at the start of supply of the compressed air A, so that the flat tire repair liquid R can drip from the second inlet 8.

[0064] Such a mixing device 43 can reliably suppress leakage of the flat tire repair fluid R before supplying the compressed air A. Therefore, the bottle unit 42 of the fourth embodiment can be stored in a state where the mixing device 43 and the container 5 are assembled.

[0065] Fig. 9 FIG. 5 is a cross-sectional view of a flat tire repair kit 51 according to a fifth embodiment. The same elements as those in the above-mentioned embodiments are denoted by the same reference numerals, and their descriptions are omitted. Fig. 9 As shown, the flat tire repair kit 51 of the fifth embodiment includes: a bottle unit 52 for supplying a mixture of a flat tire repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similar to the flat tire repair kit 1 described above.

[0066] The bottle unit 52 of the fifth embodiment includes, similarly to the bottle unit 2 described above, a mixing device 53 for mixing the puncture repair fluid R with the compressed air A, and a container 5 for containing the puncture repair fluid R. The mixing device 53 of the fifth embodiment includes a mixing chamber 54 for partitioning a space for mixing the puncture repair fluid R with the compressed air A, a first inlet 7, a second inlet 8, and an outlet 9.

[0067] The mixing chamber 54 of the fifth embodiment includes: an upper member 55 defining a top surface 54a of the space in use, and a lower member 56 defining a bottom surface 54b of the space. The upper member 55 of the fifth embodiment defines a side surface 54c connecting the top surface 54a and the bottom surface 54b of the space. Preferably, the second inlet 8 is formed in the upper member 55, and the first inlet 7 and the outlet 9 are formed in the lower member 56.

[0068] The upper member 55 of the fifth embodiment is a bottomed cylindrical member with the top surface 54a and the side surface 54c as the inner surface. The upper member 55 of the fifth embodiment is similar to the upper member 10 described above, and moves in a direction away from the bottom surface 54b by the supply of compressed air A to open the second inlet 8. Such a mixing chamber 54 can be changed in size by replacing the upper member 55.

[0069] The mixing device 53 preferably includes a protrusion 57 that defines the position of the upper member 55 when it moves upward by the supply of compressed air A. The protrusion 57 of the fifth embodiment defines the position of the upper member 55 when it moves upward by engaging with the engaging portion 55a of the upper member 55. In addition, although not shown in the figure, the mixing device 53 may also include a resistance member that protrudes from the lower member 56 toward the outside in the radial direction.

[0070] Fig.10 yes Fig. 9 A cross-sectional view of the tire blowout repair kit 51 when the supply of compressed air A is stopped. Fig. 9 as well as Fig.10 As shown, the upper member 55 of the fifth embodiment, like the upper member 10 described above, moves toward the bottom surface 54 b by stopping the supply of the compressed air A and abuts against at least a portion of the bottom surface 54 b , thereby closing the second inlet 8 .

[0071] In the upper member 55, even when the first inlet 7 is depressurized by stopping the supply of the compressed air A, the second inlet 8 is closed, thereby preventing the flat tire repair liquid R remaining in the container 5 from flowing back to the first inlet 7. In addition, even when the outlet 9 is depressurized due to disconnection from the object T when the supply of the compressed air A is stopped, the second inlet 8 is closed, thereby preventing the flat tire repair liquid R remaining in the container 5 from being ejected from the outlet 9. Therefore, the mixing device 53 of the fifth embodiment can prevent the flat tire repair liquid R from flowing back and ejecting even when the supply of the compressed air A is stopped.

[0072] Fig.11 FIG. 6 is a cross-sectional view of a tire puncture repair kit 61 according to a sixth embodiment. The same elements as those in the above-mentioned embodiments are denoted by the same reference numerals, and their descriptions are omitted. Fig.11 As shown, the flat tire repair kit 61 of the sixth embodiment includes: a bottle unit 62 for supplying a mixture of a flat tire repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similar to the flat tire repair kit 1 described above.

[0073] The bottle unit 62 of the sixth embodiment includes, similarly to the bottle unit 2 described above, a mixing device 63 for mixing the puncture repair fluid R with the compressed air A, and a container 5 for containing the puncture repair fluid R. The mixing device 63 of the sixth embodiment includes a mixing chamber 64 for partitioning a space for mixing the puncture repair fluid R with the compressed air A, a first inlet 7, a second inlet 8, and an outlet 9.

[0074] The mixing chamber 64 of the sixth embodiment includes an upper member 65 defining a top surface 64a of the space in use and a lower member 11 defining a bottom surface 64b of the space. Preferably, the upper member 65 is formed with a second inlet 8, and the lower member 11 is formed with a first inlet 7 and an outlet 9.

[0075] The upper member 65 of the sixth embodiment moves in a direction away from the bottom surface 64b by the supply of compressed air A, so that the mixing chamber 64, the first inlet 7 and the outlet 9 are connected. The mixing chamber 64 of the sixth embodiment is formed by the movement of the upper member 65 caused by the supply of compressed air A. Such a mixing chamber 64 can repeat a positive pressure state and a negative pressure state by the pulsation of the compressed air A supplied from the compressor 3, and the flat tire repair liquid R drips from the second inlet 8 into the mixing chamber 64 to generate a mixture.

[0076] The mixing device 63 preferably includes a protrusion 13 that defines the position of the upper member 65 when it moves upward by the supply of compressed air A. In addition, the mixing device 63 may also include a holding portion 26 (shown in FIG. Figure 6 ), the retaining portion 26 is a resisting member protruding radially inward from the lower member 11.

[0077] Fig.12 yes Fig.11 A cross-sectional view of the tire blowout repair kit 61 when the supply of compressed air A is stopped. Fig.11 as well as Fig.12 As shown, the upper member 65 of the sixth embodiment moves toward the bottom surface 64 b by stopping the supply of the compressed air A, thereby closing the communication between the mixing chamber 64 , the first inlet 7 , and the outlet 9 .

[0078] With such an upper member 65, even when the first inlet 7 is depressurized by stopping the supply of the compressed air A, the first inlet 7 is closed, thereby preventing the flat tire repair fluid R remaining in the container 5 from flowing back toward the first inlet 7. In addition, even when the outlet 9 is depressurized due to disconnection from the object T when the supply of the compressed air A is stopped, the upper member 65 prevents the flat tire repair fluid R remaining in the container 5 from being ejected from the outlet 9. Therefore, the mixing device 63 of the sixth embodiment can prevent the flat tire repair fluid R from flowing back and ejecting even when the supply of the compressed air A is stopped.

[0079] The upper member 65 of the sixth embodiment includes a first closing portion 65a capable of closing the communication between the mixing chamber 64 and the first inlet 7, and a second closing portion 65b capable of closing the communication between the mixing chamber 64 and the outlet 9. Even when the supply of compressed air A is stopped, such an upper member 65 has a gap between the second inlet 8 and the bottom surface 64b, that is, even if the top surface 64a and the bottom surface 64b are separated, the communication between the mixing chamber 64, the first inlet 7 and the outlet 9 can be reliably closed.

[0080] The upper member 65 defining the top surface 64a of the space is, for example, a plate-shaped member having the top surface 64a as one plane, similarly to the upper member 10 described above. The upper member 65 is not limited to such a form, and may be, for example, a bottomed cylindrical member similarly to the upper member 55 described above.

[0081] Fig.13 FIG. 2 is a cross-sectional view of a tire puncture repair kit 71 according to a seventh embodiment. The same elements as those in the above-mentioned embodiments are denoted by the same reference numerals, and their descriptions are omitted. Fig.13 As shown, the tire puncture repair kit 71 of the seventh embodiment includes: a bottle unit 72 for supplying a mixture of a tire puncture repair fluid R and compressed air A; and a compressor 3 for supplying compressed air A, similar to the above-mentioned tire puncture repair kit 1 .

[0082] The bottle unit 72 of the seventh embodiment includes: a mixing device 73 for mixing the puncture repair fluid R and the compressed air A; and a container 5 for storing the puncture repair fluid R, similarly to the bottle unit 2 described above.

[0083] The mixing device 73 of the seventh embodiment is similar to the mixing device 4 described above, and includes a mixing chamber 74 that defines a space for mixing the flat tire repair liquid R and the compressed air A. The mixing device 73 preferably includes a first inlet 7 for supplying the compressed air A to the mixing chamber 74, and a second inlet 75 for supplying the flat tire repair liquid R to the mixing chamber 74. The mixing device 73 of the seventh embodiment is similar to the mixing device 4 described above, and includes an outlet 9 for discharging the mixture of the flat tire repair liquid R and the compressed air A from the mixing chamber 74.

[0084] The mixing chamber 74 of the seventh embodiment includes an upper member 76 defining a top surface 74a of the space in use and a lower member 11 defining a bottom surface 74b of the space. Preferably, the upper member 76 is formed with a second inlet 75, and the lower member 11 is formed with a first inlet 7 and an outlet 9.

[0085] The upper member 76 of the seventh embodiment has, similarly to the upper member 65 described above, a first closing portion 76a capable of closing the communication between the mixing chamber 74 and the first inlet 7, and a second closing portion 76b capable of closing the communication between the mixing chamber 74 and the outlet 9. Even if such an upper member 76 has a gap between the second inlet 8 and the bottom surface 74b when the supply of compressed air A is stopped, that is, the top surface 74a is separated from the bottom surface 74b, the communication between the mixing chamber 74, the first inlet 7, and the outlet 9 can be reliably closed.

[0086] Fig.14 FIG. 7 is a top view of the upper member 76 of the seventh embodiment. Fig.14 As shown, at least one second inlet 75 is formed at the peripheral portion of the upper member 76, and two second inlets 75 are formed in the seventh embodiment. Such an upper member 76 can drip the flat tire repair liquid R from the peripheral edge of the mixing chamber 74, and the compressed air A and the flat tire repair liquid R are stirred in the mixing chamber 74, which helps to efficiently generate a mixture.

[0087] Fig.15 FIG. 7 is a top view of an upper member 76 according to another embodiment. Fig.15 As shown, the upper member 76 may be provided with a second inlet 75, for example, around the entire periphery thereof. The second inlet 75 of this embodiment is formed in a slit shape between the upper member 76 and the lower member 11. The upper member 76 in this case is preferably supported by at least three protrusion structures for maintaining its position. As the protrusion structure, for example, a conical structure can function appropriately. Such an upper member 76 is suitable for supplying a large amount of flat tire repair fluid R.

[0088] As mentioned above, although the particularly preferred embodiment of the present invention has been described in detail, the present invention is not limited to the above-mentioned embodiment, but can be implemented in various modified forms.

[0089] [Note]

[0090] The present invention is as follows.

[0091] [Present invention 1] A mixing device, comprising:

[0092] a mixing chamber which divides a space for mixing the flat tire repair fluid with the compressed air;

[0093] a first inlet for supplying the compressed air to the mixing chamber;

[0094] a second inlet for supplying the flat tire repair fluid to the mixing chamber; and

[0095] an outlet for discharging the mixture of the flat tire repair fluid and the compressed air from the mixing chamber,

[0096] The mixing chamber includes an upper member defining a top surface of the space in a use state, and a lower member defining a bottom surface of the space.

[0097] The second inlet is formed in the upper member,

[0098] The upper component moves in a direction away from the bottom surface by the supply of the compressed air, so that the second inlet, the first inlet and the outlet are connected via the mixing chamber, and moves toward the bottom surface by stopping the supply of the compressed air, closing the connection between the second inlet, the first inlet and the outlet.

[0099] [Present Invention 2] The mixing device according to present invention 1, wherein:

[0100] The upper member moves away from the bottom surface by supply of the compressed air to open the second inlet, and moves toward the bottom surface by stopping supply of the compressed air to abut against at least a portion of the bottom surface to close the second inlet.

[0101] [Invention 3] The mixing device according to invention 1, wherein:

[0102] The upper component moves in a direction away from the bottom surface by the supply of the compressed air to connect the mixing chamber, the first inlet and the outlet, and moves toward the bottom surface by stopping the supply of the compressed air to close the connection between the mixing chamber, the first inlet and the outlet.

[0103] [Invention 4] The mixing device according to invention 3, wherein:

[0104] The upper member includes a first closing portion capable of closing the communication between the mixing chamber and the first inlet, and a second closing portion capable of closing the communication between the mixing chamber and the outlet.

[0105] [Invention 5] The mixing device according to any one of Inventions 1 to 4, wherein:

[0106] The upper member is a plate-shaped member having the top surface as one surface.

[0107] [Invention 6] In the mixing device according to any one of Inventions 1 to 4,

[0108] The mixing chamber includes a side surface connecting the top surface with the bottom surface,

[0109] The upper member is a bottomed cylindrical member having the top surface and the side surface as inner surfaces.

[0110] [Invention 7] A mixing method, using the mixing device described in any one of Inventions 1 to 6, to mix the tire puncture repair fluid with the compressed air, wherein the method comprises the following steps:

[0111] In a first step, the upper member is moved away from the bottom surface by supplying the compressed air to form the mixing chamber;

[0112] A second step of mixing the flat tire repair fluid with the compressed air in the mixing chamber and discharging the mixture from the outlet; and

[0113] In the third step, the supply of the compressed air is stopped to move the upper member toward the bottom surface.

[0114] [Invention 8] A bottle unit comprising the mixing device according to any one of Inventions 1 to 6 and a container containing the flat tire repair liquid, wherein:

[0115] The container has a mouth portion, and the mouth portion is used to contain the flat tire repair liquid in the interior of the container.

[0116] The mixing device is mounted on the mouth.

[0117] [Present invention 9] A tire blowout repair kit, wherein:

[0118] It comprises: the bottle unit described in the eighth aspect of the present invention, and a compressor for supplying the compressed air.

[0119] [Invention 10] The flat tire repair kit according to invention 9, wherein:

[0120] The flat tire repair fluid is supplied from the second inlet to the mixing chamber by the differential pressure generated by the pulsation of the compressor.

[0121] The mixing device includes a retaining portion for preventing movement of the upper member within the range of the differential pressure.

Claims

1. A mixing device, characterized in that: have: a mixing chamber which divides a space for mixing the flat tire repair fluid with the compressed air; a first inlet for supplying the compressed air to the mixing chamber; a second inlet for supplying the flat tire repair fluid to the mixing chamber; as well as an outlet for discharging the mixture of the flat tire repair fluid and the compressed air from the mixing chamber, The mixing chamber includes an upper member defining a top surface of the space in a use state, and a lower member defining a bottom surface of the space. The second inlet is formed in the upper member, The upper component moves in a direction away from the bottom surface by the supply of the compressed air, so that the second inlet, the first inlet and the outlet are connected via the mixing chamber, and moves toward the bottom surface by stopping the supply of the compressed air, closing the connection between the second inlet, the first inlet and the outlet.

2. The mixing device according to claim 1, characterized in that The upper member moves away from the bottom surface by supply of the compressed air to open the second inlet, and moves toward the bottom surface by stopping supply of the compressed air to abut against at least a portion of the bottom surface to close the second inlet.

3. The mixing device according to claim 1, characterized in that The upper component moves in a direction away from the bottom surface by the supply of the compressed air to connect the mixing chamber, the first inlet and the outlet, and moves toward the bottom surface by stopping the supply of the compressed air to close the connection between the mixing chamber, the first inlet and the outlet.

4. The mixing device according to claim 3, characterized in that The upper member includes a first closing portion capable of closing the communication between the mixing chamber and the first inlet, and a second closing portion capable of closing the communication between the mixing chamber and the outlet.

5. The mixing device according to claim 1, characterized in that The upper member is a plate-shaped member having the top surface as one surface.

6. The mixing device according to claim 1, characterized in that The mixing chamber includes a side surface connecting the top surface with the bottom surface, The upper member is a bottomed cylindrical member having the top surface and the side surface as inner surfaces.

7. A mixing method, using the mixing device according to any one of claims 1 to 6, to mix the flat tire repair fluid with the compressed air, characterized in that: Including the following processes: In a first step, the upper member is moved away from the bottom surface by supplying the compressed air to form the mixing chamber; The second step is to mix the flat tire repair fluid with the compressed air in the mixing chamber and discharge the mixture from the outlet; as well as In the third step, the supply of the compressed air is stopped to move the upper member toward the bottom surface.

8. A bottle unit comprising the mixing device according to any one of claims 1 to 6 and a container containing the flat tire repair liquid, characterized in that: The container has a mouth portion, and the mouth portion is used to contain the flat tire repair liquid in the interior of the container. The mixing device is mounted on the mouth.

9. A flat tire repair kit, characterized in that: include: The bottle unit according to claim 8, and a compressor for supplying the compressed air.

10. The flat tire repair kit according to claim 9, characterized in that: The flat tire repair fluid is supplied from the second inlet to the mixing chamber by the differential pressure generated by the pulsation of the compressor. The mixing device includes a retaining portion for preventing movement of the upper member within the range of the differential pressure.

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