JP2008049598A - Sealant injection device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sealant injection device which efficiently mixes a plurality of liquids for use in forming a sealant. <P>SOLUTION: In a liquid mixing part 30, a first liquid L1 and a second liquid L2 are allowed to flow in a mixing flow channel 36 through a first liquid flow channel 32 and a second liquid pipe 26, respectively. In the mixing flow channel 36, the first and second liquids L1 and L2 flow toward a joint hose 66 along a spiral flow channel member 38. At this time, the first and second liquids L1 and L2 flow through a spirally constituted flow channel by means of the spiral flow channel member 38, a vortex flow is produced and the first and second liquids L1 and L2 are stirred by the vortex flow to be efficiently mixed to prepare the sealant. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a sealing agent injection device for injecting a sealing agent for closing a puncture hole into a punctured pneumatic tire.

  In recent years, when a pneumatic tire (hereinafter simply referred to as a “tire”) mounted on a vehicle is punctured, a sealing agent is injected into the tire without replacing the tire and the wheel so that a puncture hole of the tire is formed. A tire sealing / pump-up device (hereinafter simply referred to as “tire sealing device”) that repairs and pressurizes (pumps up) the internal pressure of the tire to a predetermined reference pressure has become widespread.

As a tire sealing device as described above, for example, there is one described in Patent Document 1. The tire sealing device disclosed in Patent Document 1 includes a liquid container that contains a liquid sealing agent, and an air compressor that is a supply source of pressurized air. The air compressor is connected to the gas introduction part of the liquid agent container via a pressure hose. The liquid agent container is provided with an outlet valve for discharging the sealing agent, and one end of a liquid supply hose for supplying the sealing agent is connected to the outlet valve. In this tire sealing device, when puncture occurs in the tire, the tip of the liquid supply hose is connected to the tire valve of the tire, and then compressed air is introduced into the liquid container by an air compressor. As a result, the air pressure in the liquid container rises, the sealing agent is pushed out from the outlet valve by this air pressure, and the sealing agent is injected into the tire through the liquid supply hose and the tire valve. Thereafter, when a required amount of the sealing agent is injected into the tire, the compressed air supplied into the liquid container is supplied into the tire through the outlet valve to inflate the tire at a predetermined internal pressure.
JP 2004-338158 A

  By the way, the sealing agent produced | generated previously is accommodated in the liquid agent container of the tire sealing apparatus of patent document 1. As shown in FIG. However, it may be required to mix a predetermined liquid immediately before use to produce a sealing agent and to use the produced sealing agent.

  The present invention has been made in view of the above-described facts, and an object of the present invention is to provide a sealing agent injection device capable of efficiently mixing a plurality of liquids for producing a sealing agent.

  A sealing agent injection device according to claim 1 of the present invention is a sealing agent injection device for injecting a sealing agent for blocking a puncture hole into a punctured pneumatic tire, containing a first liquid, A first liquid container in which a first discharge port for discharging the first liquid is formed, a second liquid that is mixed with the first liquid and generates a sealing agent, and discharges the second liquid. A second liquid agent container having an outlet, a liquid supply means for discharging the first liquid from the first discharge port, and discharging the second liquid from the second discharge port; and from the first discharge port. The first liquid and the second liquid from the second discharge port flow in, and the liquid mixing means for mixing the first liquid and the second liquid, and the first liquid mixed by the liquid mixing means And the second liquid It includes a mixing pipe to be supplied to the pneumatic tire, the.

  In the sealing agent injection device according to claim 1 of the present invention, the first liquid and the second liquid are mixed by the liquid mixing means, so that the first liquid and the second liquid are compared with the case where there is no liquid mixing means. Can be efficiently mixed before being supplied to the pneumatic tire.

  The sealing agent injection device according to claim 2 of the present invention is the sealing agent injection device according to claim 1, wherein the liquid mixing means is directed from the inflow side of the first liquid and the second liquid toward the mixing pipe side. And a spiral channel member that constitutes a spiral channel.

  According to the liquid mixing means having the above-described configuration, the first liquid and the second liquid pass through the spiral flow path, so that vortex flow can be generated, and the first liquid and the second liquid are agitated. Can be mixed efficiently.

  In addition, in the sealing agent injecting device according to claim 2, as described in claim 3, the spiral flow path member includes a rotating shaft along a traveling direction of the first liquid and the second liquid, It can be set as the structure which can be rotated centering on a rotating shaft.

  The rotation of the spiral flow path member here may be rotated by the fluid pressure of the first liquid and the second liquid, or may be rotated by driving means such as a motor.

  The sealing agent injection device according to claim 4 of the present invention is characterized in that the liquid mixing means has a first inflow nozzle into which the first liquid is introduced and a second inflow nozzle into which the second liquid is introduced, The first inflow nozzle and the second inflow nozzle are directed in a direction crossing each other.

  According to the liquid mixing means having the above configuration, since the first liquid and the second liquid are introduced from the first inflow nozzle and the second inflow nozzle that intersect each other, turbulence can be generated, and the first liquid and The second liquid can be stirred and efficiently mixed.

  In the sealing agent injecting device according to claim 5 of the present invention, the liquid mixing means allows the first liquid to flow, and a plurality of first channels in which the flow path cross section of the first liquid has a slit shape, In addition, a plurality of second channels in which the second liquid can be circulated and a flow passage section of the second liquid is slit-shaped in a direction intersecting with the distribution direction of the first liquid and the second liquid. It is characterized by comprising the channel units arranged alternately along.

  According to the liquid mixing means configured as described above, since the first liquid and the second liquid flow out from the alternately arranged first channel and second channel, the first liquid and the second liquid are efficiently discharged. Can be mixed.

  The sealing agent injection device according to claim 6 of the present invention is characterized in that the liquid mixing means is configured to include a mesh member that allows the first liquid and the second liquid that have been introduced to pass therethrough. Yes.

  According to the liquid mixing means having the above configuration, the first liquid and the second liquid can be efficiently mixed by passing the first liquid and the second liquid through the mesh member.

  The sealing agent injection device according to claim 7 of the present invention is configured such that the liquid mixing means includes a rotating member that stirs the first liquid and the second liquid after joining by rotation. It is a feature.

  According to the liquid mixing means having the above configuration, the first liquid and the second liquid can be efficiently mixed by stirring the first liquid and the second liquid with the rotating member.

  As described above, according to the sealing agent injection device of the present invention, a plurality of liquids for producing a sealing agent can be mixed efficiently.

[First Embodiment]
Hereinafter, a tire sealing device according to a first embodiment of the present invention will be described.

  FIG. 1 shows a tire sealing device 10 according to an embodiment of the present invention. The tire sealing device 10 repairs a tire with a sealing agent and repressurizes the internal pressure to a predetermined reference pressure (pump) without replacing the tire and the wheel when a tire mounted on a vehicle such as an automobile is punctured. Up).

  As shown in FIG. 1, the tire sealing device 10 includes a box-shaped casing 12 as an outer shell portion thereof, and an air compressor 14 is disposed in the casing 12 as a supply source of pressurized air. . Also, in the casing 12, a first liquid container 20 that contains a first liquid L1 for generating a sealing agent therein, and a second liquid L2 for generating a sealing agent by mixing with the first liquid L1. A second liquid container 22 is provided. The first liquid container 20 and the second liquid container 22 have air receiving ports 20A and 22A for receiving compressed air, and discharge ports 20B for discharging the stored first liquid L1 and second liquid L2 to the outside. , 22B are provided.

  The air compressor 14 is formed with an air suction port 14A and an air supply port 14B that are open to the outside. When operating, the air compressor 14 sucks air from outside the apparatus through the air suction port 14A, pressurizes the air at a predetermined compression ratio, and discharges the air to the outside through the air supply port 14B. Here, the air compressor 14 has a compression capability capable of compressing atmospheric air to a pressure set in a range of 0.5 MPa to 1.0 MPa, and from the air supply port 14B according to the specified pressure of the tire. The maximum pressure of the compressed air to be supplied can be adjusted.

  An air supply pipe 16 is connected to the air supply port 14 </ b> B, and the air supply pipe 16 is connected to an air distribution valve 18. The air distribution valve 18 includes a first air pipe 17A connected to the air receiving port 20A of the first liquid agent container 20, a second air pipe 17B connected to the air receiving port 22A of the second liquid agent container 22, and a switching to be described later. A third air supply pipe 17C connected to the valve 28 is connected. The air distribution valve 18 distributes the compressed air generated by the air compressor 14 at a predetermined distribution ratio and sends the compressed air to the first air pipe 17A, the second air pipe 17B, and the third air pipe 17C.

  A first liquid pipe 24 and a second liquid pipe 26 are connected to the discharge ports 20B and 22B, respectively. The first liquid pipe 24 and the second liquid pipe 26 are connected to the liquid mixing unit 30.

  As shown in FIG. 2, the liquid mixing unit 30 is connected to the first liquid pipe 24 and the second liquid pipe 26 connected to the first liquid pipe 24 and the second liquid pipe 26. A second liquid channel 34 into which the liquid L2 flows and a mixing channel 36 are formed. The first liquid channel 32 and the second liquid channel 34 are merged by the mixing channel 36.

  A spiral flow path member 38 is provided in the mixing flow path 36. In the spiral flow path member 38, a spiral plate member having the same diameter as the inner diameter of the mixing flow path 36 is attached to the central shaft 38A, and is fixed in the mixing flow path 36. Configure the road.

  As shown in FIG. 1, a joint hose 66 connected to the third air supply pipe 17 </ b> C via the switching valve 28 is connected to the outlet side of the mixing flow path 36. An attachment 60 that can be screwed to the tire valve 72 of the pneumatic tire 70 is provided on the side opposite to the side connected to the joint hose 66 mixing channel 36.

  Further, the tire sealing device 10 is provided with an operation panel 62 provided with a start / stop button 64 on the outside of the casing 12. The operation panel 62 incorporates a drive / control circuit 65 and includes a power cable (not shown). The power panel can be driven from the vehicle by, for example, being inserted into a socket of a cigarette lighter installed in the vehicle. Power is supplied to the control circuit 65. The drive / control circuit 65 controls the drive of the air compressor 14 in accordance with an operation on the start / stop button 64.

  Next, the first liquid L1 and the second liquid L2 used in the tire sealing device 10 as described above will be described.

  The first liquid L1 is mainly composed of an aqueous solution containing rubber latex such as SBR (styrene butadiene rubber) latex, NBR (acrylonitrile-butadiene rubber) latex, and rubber latex of a mixture of SBR latex and NBR latex. A solution obtained by adding an aqueous dispersion or a resin adhesive in the form of an aqueous emulsion to an aqueous solution is used.

  Furthermore, in order to improve the sealing performance against puncture holes, fiber materials or whiskers made of polyester, polypropylene, glass, etc., or fillers (fillers) made of calcium carbonate, carbon black, etc. may be mixed, and the sealing performance is improved. Silicates and polystyrene particles may be mixed for stabilization. In addition to the above components, anti-freezing agents such as glycol, ethylene-glycol, and propylene glycol, antifoaming agents, pH adjusters, and emulsifiers are generally added to the sealing agent.

  As the second liquid L2, an aggregating agent that reduces the mechanical stability of the tex contained in the first liquid L1 configured as described above is used. Here, the mechanical stability is the stability when a mechanical shearing force is applied to the latex. Latex particles having a low stability agglomerate with a small shearing force. As the flocculant, an acid, a water-soluble organic solvent, a salt, or the like can be used. As the acid, organic acids such as acetic acid and formic acid; inorganic acids such as hydrochloric acid, nitric acid, sulfuric acid, carbonic acid, and oxalic acid can be used. As the water-soluble organic solvent, alcohols such as methanol, propanol, butanol, and isopropyl alcohol, and water-soluble organic solvents such as acetone, acetaldehyde, and formaldehyde can be used. Examples of the salt include inorganic salts such as hydrochlorides such as sodium chloride (sodium chloride) and potassium chloride; carbonates such as sodium bicarbonate and sodium carbonate; sulfates; nitrates; Further, organic salts such as acetates, formates and hexylamine salts can also be used.

  Next, an operation procedure for repairing the punctured tire 70 using the tire sealing device 10 according to the present embodiment will be described.

  When puncture occurs in the tire 70, first, an operator pulls out a valve core (not shown) constituting a check valve from the tire valve 72 in the tire 70, and then screws the adapter 60 onto the tire valve 72. Then, the joint hose 66 is connected to the punctured tire 70.

  Next, the operator presses the start / stop button 64 on the operation panel 62 after inserting the power cable into the socket of the cigarette lighter of the vehicle. In conjunction with this, the drive / control circuit 65 operates the air compressor 14. Thereby, the compressed air generated by the air compressor 14 is distributed by the air distribution valve 18 and supplied to the insides of the first liquid agent container 20 and the second liquid agent container 22, respectively.

  In the first liquid agent container 20 and the second liquid agent container 22, the air pressure (static pressure) of the gas layer portions of the first liquid L 1 and the second liquid L 2 is gradually increased by the compressed air supplied from the air compressor 14. Pressure acts on the sealant. As a result, the first liquid L1 accommodated in the first liquid agent container 20 is pushed out through the first liquid pipe 24 and flows into the liquid mixing unit 30, and the first liquid L1 accommodated in the second liquid agent container 22 is supplied. The two liquids L <b> 2 are pushed out through the second liquid pipe 26 and flow into the liquid mixing unit 30.

  In the liquid mixing unit 30, the first liquid L <b> 1 flows through the first liquid flow path 32 and the second liquid L <b> 2 flows into the mixing flow path 36 via the second liquid pipe 26. In the mixing channel 36, the first liquid L 1 and the second liquid L 2 flow along the spiral channel member 38 toward the joint hose 66. At this time, since the first liquid L1 and the second liquid L2 flow through the flow path formed in a spiral shape by the spiral flow path member 38, a vortex flow is generated and agitated by the vortex flow to be mixed with the first liquid L1 and the second liquid L2. The two liquids L2 are efficiently mixed to produce a sealing agent.

  The sealing agent generated by mixing the first liquid L <b> 1 and the second liquid L <b> 2 is supplied to the tire 70 via the joint hose 66. After all of the first liquid L1 and the second liquid L2 are discharged from the first liquid container 20 and the second liquid container 22, the switching valve 28 is switched and compressed air is supplied from the third air supply pipe 17C to the tire 70. The tire 70 is inflated by increasing the internal pressure of the tire 70 to a predetermined value. The drive / control circuit 65 automatically stops the operation of the air compressor 14 when the internal pressure of the tire 70 reaches a predetermined reference pressure.

  When it is confirmed that the air compressor 14 has stopped, the operator removes the adapter 60 from the tire valve 72 and disconnects the joint hose 66 from the tire 70. An operator makes a preliminary run over a certain distance using the tire 70 after the expansion of the tire 70 is completed and before the sealing agent injected into the tire 70 is cured. As a result, the sealing agent injected into the inside of the tire 70 diffuses and is uniformly applied to at least the inner surface portion of the tread portion of the tire 70. When the sealing agent reaches the puncture hole, it gradually returns to a liquid state and penetrates into the puncture hole, and closes the puncture hole during preliminary traveling.

  After the preliminary travel is completed, the operator checks the internal pressure of the tire 70, and if necessary, screwes the adapter 60 of the joint hose 66 to the tire valve 72 again, and operates only the air compressor 14 of the tire sealing device 10. The tire 70 is pressurized to a specified internal pressure. Thus, when the puncture repair of the tire 70 is completed and the joint hose 66 is removed from the tire 70, the tire 70 can be used to travel at a speed equal to or less than a certain speed within a certain distance.

  In the tire sealing device 10 according to the present embodiment described above, since the vortex flow is generated when the first liquid L1 and the second liquid L2 pass through the liquid mixing unit 30, the first liquid L1 and the second liquid L2 are generated. Can be mixed efficiently and a good sealing agent can be produced immediately before feeding.

  In the present embodiment, the example in which the spiral flow path member 38 is fixed in the mixing flow path 36 has been described. However, the central axis 38 </ b> A disposed along the longitudinal direction of the mixing flow path 36 of the spiral flow path member 38. As a center, it can be configured to rotate by the flow of the first liquid L1 and the second liquid L2 or by driving means such as a motor (not shown). The first liquid L1 and the second liquid L2 are agitated by the rotation of the spiral flow path member 38, and the two liquids can be mixed more efficiently.

[Second Embodiment]
Next, a second embodiment of the present invention will be described. In the present embodiment, since the configuration other than the configuration of the liquid mixing unit 30 is the same as that of the first embodiment, only the liquid mixing unit will be described.

  As shown in FIG. 3, the liquid mixing unit 40 of the present embodiment is connected to the first liquid pipe 24 and is connected to the first nozzle 42 and the second liquid pipe 26 into which the first liquid L1 flows. A second nozzle 44 into which the two liquids L2 are introduced and a mixing channel 46 are formed. The first nozzle 42 and the second nozzle 44 intersect each other on the mixing channel 46 side, and discharge the first liquid L1 and the second liquid L2 in different directions in the mixing channel 46.

  Thereby, the first liquid L1 accommodated in the first liquid agent container 20 flows into the liquid mixing unit 40 from the first nozzle 42, and the second liquid L2 accommodated in the second liquid agent container 22 is second. The liquid flows into the liquid mixing unit 40 from the nozzle 44.

  In the present embodiment, since the first liquid L1 and the second liquid L2 are discharged from the tip of the nozzle directed in a different direction to the mixing channel 46, turbulence is generated in the mixing channel 46, and this The first liquid L1 and the second liquid L2 can be efficiently mixed by being stirred by the turbulent flow, and a good sealing agent can be generated immediately before the supply.

[Third Embodiment]
Next, a third embodiment of the present invention will be described. Also in this embodiment, since the configuration of the liquid mixing unit 30 is the same as that of the first embodiment, only the liquid mixing unit will be described.

  The liquid mixing unit 50 of the present embodiment includes a casing 104 as shown in FIG. In the casing 104, an air receiving port 51 and a liquid agent receiving port 52 are opened at one end (upstream end) along the longitudinal direction, and a mixed liquid supply port 53 is formed at the other end (downstream end). Is open. In the casing 104, a space whose width increases in a tapered shape toward the downstream side is formed on the upstream side, and this space is a first liquid that is two small spaces along the thickness direction of the casing 104. A partition plate 106 that partitions the receiving portion 112 and the second liquid receiving portion 114 is disposed.

  In the casing 104, a channel unit portion 116 is provided downstream of the first liquid receiving portion 112 and the second liquid receiving portion 114, and the first liquid receiving portion 112, the second liquid receiving portion 114, and the channel unit portion 116 are provided. The nozzle plate 118 is arranged so as to partition between the two. As shown in FIG. 4B, the nozzle plate 118 has a plurality of elongated (in the present embodiment, 3 in the thickness direction) of the casing 104 so as to face the inside of the first liquid receiving portion 112 on the upper end side. A plurality of first nozzles 120 are opened, and a plurality of (two in this embodiment) second nozzles 122 are elongated in the thickness direction so as to face the inside of the second liquid receiving portion 114 at the upper end side thereof. It is open.

  In the channel unit portion 116, a plurality (four in the present embodiment) of partition plates 124 are provided on the downstream side of the nozzle plate 118 so as to extend in the longitudinal direction of the casing 104. 124 are arranged at a predetermined pitch along the width direction of the casing 104. As a result, the space on the downstream side of the nozzle plate 118 in the casing 104 is partitioned into a plurality of first liquid channels 126 and second liquid channels 128 by a plurality of partition plates 124. The first liquid channel 126 and the second liquid channel 128 are each formed as a thin plate-like space having a narrow width in the width direction of the casing 104, and are alternately arranged so as to be laminated in the width direction. .

  The plurality of first liquid nozzles 120 in the nozzle plate 118 cause the first liquid receiving portions 112 to communicate with the plurality of first liquid channels 126, respectively, and the plurality of second liquid nozzles 122 connect the second liquid receiving portions 114 to the plurality of second liquid receiving portions 114. The liquid channels 128 communicate with each other. Accordingly, the first liquid L1 supplied from the first liquid receiving unit 112 through the first liquid nozzle 120 flows toward the mixed liquid supply port 53 side in the first liquid nozzle 120, and the second liquid nozzle 122. Inside, the 2nd liquid L2 supplied from the 2nd liquid receiving part 114 through the 2nd liquid nozzle 122 distribute | circulates toward the liquid mixture supply port 53 side.

  In the casing 104, as shown in FIG. 4A, the first liquid L1 and the second liquid L2 discharged from the downstream ends of the plurality of first liquid channels 126 and the second liquid channels 128 are mixed. A reducer section 130 that circulates to the supply port 53 is provided as a mixing channel. The reducer unit 130 is a throttle channel whose cross-sectional area gradually decreases from the downstream ends of the first liquid channel 126 and the second liquid L2 channel 128 toward the mixed liquid supply port 53.

  In the liquid mixing unit 50, the first liquid L1 and the second liquid L2 discharged from the first liquid channel 126 and the second liquid channel 128 are thin in the width direction of the casing 104 immediately after being discharged into the reducer unit 130, respectively. Since it circulates in a laminar flow state, the diffusive mixing of the first liquid L1 and the second liquid L2 easily proceeds and the mixing is performed efficiently.

[Fourth Embodiment]
Next, a fourth embodiment of the present invention will be described. Also in this embodiment, since the configuration of the liquid mixing unit 30 is the same as that of the first embodiment, only the liquid mixing unit will be described.

  As shown in FIG. 5, the liquid mixing unit 80 of the present embodiment is connected to the first flow path 82 and the second liquid pipe 26 that are connected to the first liquid pipe 24 and into which the first liquid L1 flows. Thus, a second flow path 84 into which the second liquid L2 is introduced and a mixing flow path 86 are formed. The first flow path 82 and the second flow path 84 are merged on the mixing flow path 86 side. A mesh member 88 is disposed upstream of the mixing channel 86 so as to close the mixing channel 86. The mesh member 88 has an eye roughness through which the first liquid L1 and the second liquid L2 can pass. Specifically, the mesh roughness is appropriately selected within a range of 5 mesh to 400 mesh. Here, “mesh”, which is a unit representing the roughness of the mesh, represents how many meshes are opened in one inch (about 2.54 cm). As the mesh member 88, a predetermined structure such as a braided structure in which metal strands are knitted, a resin-molded resin, a metal plate formed with a large number of eyes (openings) by etching or the like is used. Various structures can be used as long as they have roughness. The mesh member 88 can be molded using a metal material such as a stainless alloy, brass, copper alloy, or nickel alloy, or a resin material such as nylon, tetron, polypropylene, or polyethylene. As long as the material has sufficient chemical stability and mechanical durability with respect to the liquid L2, it can be formed of any other material.

  Further, the mesh member 88 is not necessarily constituted by a single net-like structure, and a plurality of net-like structures are laminated in order to increase the mixing efficiency of the first liquid L1 and the second liquid L2. At this time, the roughness of the eyes in the plurality of network structures may be different from each other (for example, those having a coarser mesh and gradually becoming finer).

  In this embodiment, the first liquid L1 flows into the first flow path 82 and the second liquid L2 flows into the second flow path 84, and the first liquid L1 and the second liquid L2 flow from the tip of each nozzle to the mixing flow path 86. Liquid L2 is discharged. And since the 1st liquid L1 and the 2nd liquid L2 pass through the mesh member 88 and flow out to the joint hose 66 side, the 1st liquid L1 and the 2nd liquid L2 can be mixed efficiently, A good sealing agent can be produced just before feeding.

[Fifth Embodiment]
Next, a fifth embodiment of the present invention will be described. Also in this embodiment, since the configuration of the liquid mixing unit 30 is the same as that of the first embodiment, only the liquid mixing unit will be described.

  As shown in FIG. 6, the liquid mixing unit 90 of the present embodiment includes a first liquid channel 32, a second liquid channel 34, and a mixing channel 36 similar to those of the first embodiment.

  The mixing channel 36 is provided with rotating blades 39 in place of the spiral channel member 38. A plurality of sets of the rotary blades 39 are attached along the axial direction of the central axis 39B arranged along the center of the mixing flow path 36 (four sets in FIG. 6). The central shaft 39B is rotationally driven by a motor (not shown), and each rotary blade 39 rotates about the central shaft 39B.

  In the liquid mixing unit 90 in the present embodiment, the first liquid L1 flows into the mixing flow path 36 through the first liquid flow path 32 and the second liquid L2 flows through the second liquid pipe 26, respectively. In the mixing channel 36, the first liquid L <b> 1 and the second liquid L <b> 2 are stirred by the rotary blade 39 and flow toward the joint hose 66. By this stirring, the first liquid L1 and the second liquid L2 are efficiently mixed, and a good sealing agent can be generated immediately before the supply.

It is a lineblock diagram showing the tire sealing device concerning a 1st embodiment. It is sectional drawing which shows the internal structure of the liquid mixing part which concerns on 1st Embodiment. It is sectional drawing which shows the internal structure of the liquid mixing part which concerns on 2nd Embodiment. It is sectional drawing which shows the internal structure of the liquid mixing part which concerns on 3rd Embodiment. It is sectional drawing which shows the internal structure of the liquid mixing part which concerns on 4th Embodiment. It is sectional drawing which shows the internal structure of the liquid mixing part which concerns on 5th Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Tire sealing apparatus 14 Air compressor 20 1st liquid agent container 20B Discharge port 22 2nd liquid agent container 30 Liquid mixing part 32 1st liquid flow path 34 2nd liquid flow path 36 Mixing flow path 38A Center axis 38 Spiral flow path member 39 Rotation Blade 39B Center shaft 40 Liquid mixing section 42 First nozzle 44 Second nozzle 46 Mixing flow path 50 Liquid mixing section 66 Joint hose 70 Tire 80 Liquid mixing section 82 First flow path 84 Second flow path 86 Mixing flow path 88 Mesh member 90 Liquid mixing section 116 Channel unit section L1 First liquid L2 Second liquid

Claims (7)

A sealing agent injection device for injecting a sealing agent for closing a puncture hole into a punctured pneumatic tire,
A first liquid container containing a first liquid and having a first discharge port for discharging the first liquid;
A second liquid agent container containing a second liquid mixed with the first liquid to generate a sealing agent and having a second discharge port for discharging the second liquid;
A liquid supply means for discharging the first liquid from the first discharge port and discharging the second liquid from the second discharge port;
Liquid mixing means for allowing the first liquid from the first discharge port and the second liquid from the second discharge port to flow in to mix the first liquid and the second liquid;
A mixing pipe for supplying the first liquid and the second liquid mixed by the liquid mixing means to the pneumatic tire;
Sealing agent injection device comprising:   The liquid mixing means includes a spiral flow path member that forms a spiral flow path from the inflow side of the first liquid and the second liquid toward the mixing pipe side. The sealing agent injection device according to claim 1.   The said spiral flow path member is provided with the rotating shaft along the advancing direction of the said 1st liquid and the said 2nd liquid, and it can be rotated centering | focusing on the said rotating shaft. Sealant injection device.   The liquid mixing means has a first inflow nozzle into which the first liquid is introduced and a second inflow nozzle into which the second liquid is introduced, and the first inflow nozzle and the second inflow nozzle intersect with each other. The sealing agent injection device according to claim 1, wherein the sealing agent injection device is directed in a direction.   The liquid mixing means is configured to allow the first liquid to flow, the plurality of first channels in which the flow path of the first liquid has a slit shape, and the second liquid to flow, A plurality of second channels each having a slit cross section of two liquids are configured to include channel units arranged alternately along a direction intersecting the flow direction of the first liquid and the second liquid. The sealing agent injecting device according to claim 1, wherein the sealing agent injecting device is provided.   2. The sealing agent injection device according to claim 1, wherein the liquid mixing unit includes a mesh member that allows the first liquid and the second liquid that have been introduced to pass therethrough. 3. 2. The sealing agent injection device according to claim 1, wherein the liquid mixing unit includes a rotating member that stirs the first liquid and the second liquid after joining by rotation.

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