JP5716241B2 - Cap for bottle container containing puncture sealant - Google Patents

Description

  The present invention relates to a cap for a bottle container containing a puncture sealing agent to be injected into a punctured pneumatic tire.

  For example, as shown in FIG. 18A, the tire T and the compressor c are connected to the sealing agent container a using hoses d1 and d2 as a puncture repair device for repairing a punctured tire as an emergency. By sending the compressed air from the compressor c into the sealing agent container a, the sealing agent in the sealing agent container a is pumped into the tire T, and then the tire T is automatically pumped up by the compressed air that continues to flow. What is made to suggest is proposed (for example, refer patent document 1). The hose d2 for feeding the sealing agent used in such a puncture repair device is provided with a valve connection fitting f that can be connected to the tire valve V at the front end thereof.

  However, in the puncture repair device, the compressor c may be erroneously operated before the valve connection fitting f is connected to the tire valve V during the puncture repair. At this time, in the case of the conventional valve connection fitting f, there arises a problem that the puncture sealing agent is ejected from the tip thereof and the surroundings are soiled.

  In Patent Document 2 below, as shown in FIG. 18 (B), the valve connection of the connection fitting main body h provided with a valve connection portion g connectable to the tire valve V on the distal end side as the valve connection fitting f. Proposals have been made in which a closing cap i is attached to the part g. However, this is inconvenient because it is necessary to remove the closing cap i when connecting to the tire valve V, and further improvement is desired.

Japanese Patent Laid-Open No. 2001-212883 JP 2009-291952 A

  Therefore, an object of the present invention is to provide a cap of a bottle container containing a puncture sealing agent having an inner lid that is automatically removed by the pressure of compressed air flowing in from an air flow path at the time of puncture repair. .

  The present invention is a cap attached to the mouth of a bottle container containing a puncture sealant, wherein the cap comprises a cap body and an inner lid, and the cap body is attached to the mouth of the bottle container. A mouth mounting portion, a connection nozzle to which compressed air is supplied, an air flow path leading from the connection nozzle into the mouth of the bottle container, and a puncture sealing agent and compressed air from the bottle container by the supply of the compressed air And a sealing agent / compressed air take-out port portion for sequentially taking out, and a sealing agent / compressed air take-out passage extending from the sealing agent / compressed air take-out port portion into the mouth portion of the bottle container, The mouth portion mounting portion has a mounting recess fixed to the mouth portion, and a boss portion protruding from the bottom surface of the mounting recess, and the boss portion Each has an air channel upper opening that is one end of the air channel and a sealing agent / compressed air extraction channel upper opening that is one end of the sealing agent / compressed air take-off channel, and the inner lid is An inner lid body closed at the upper end that is fitted to the outer peripheral surface of the boss portion, and projects downward from the inner lid body and is inserted into the upper opening of the sealing agent / compressed air take-out channel, and the sealing agent / compressed air A plug portion for closing the upper opening of the take-out flow path, and the plug portion is separated from the boss portion by the pressure of the compressed air flowing into the inner lid body from the air flow path, and also by the pressure of the compressed air Auxiliary removal means for removing the inner lid by manual operation when the inner lid cannot be removed is provided.

  In the cap of the present invention, the sealing agent / compressed air take-out flow path is bent at a vertical flow path portion extending downward from the upper opening of the sealing agent / compressed air take-off flow path and a lower end of the vertical flow path portion, and The sealing agent / compressed air outlet port has an L-shape formed by a horizontal channel portion opened at the tip of the sealing agent / compressed air outlet port, and the auxiliary removing means is connected to the lower end of the vertical channel portion, and is a bottom surface of the cap body. By the extended flow path portion that extends in a straight line with the vertical flow path opening to the lower opening opening on the side, and is held slidably up and down in this extended flow path portion, and by sliding upward, It is desirable to include a push shaft that can push up the plug portion.

  In the cap according to the present invention, the push shaft includes an insertion portion that is airtightly arranged in the extension channel portion via an O-ring, and a projection portion that continues to the insertion portion and projects downward from the lower opening. The push shaft can move between a descending position whose upper end is lower than the lower end of the vertical flow path portion and an elevated position where the lower end of the plug portion is pushed upward to remove the inner lid. At the same time, it is desirable that a spring means for urging the push shaft downward to return to the lowered position is disposed on the protruding portion.

  In the cap of the present invention, the inner lid can be automatically removed from the boss portion by the pressure of the compressed air flowing into the inner lid body from the air flow path during puncture repair. In addition, when the inner lid cannot be removed by the pressure of the compressed air, auxiliary removal means for manually removing the inner lid is provided, so that reliable operation is ensured.

It is a perspective view which shows the use condition of the puncture repair kit using the valve | bulb connection metal fitting of this embodiment. It is a perspective view which shows a compressor apparatus. It is sectional drawing which shows the internal structure of a compressor apparatus. It is a disassembled perspective view which shows a compressor main body. It is a fragmentary sectional view which shows the principal part. It is sectional drawing which shows the state before joining of a compressed air discharge part and a connection nozzle. It is sectional drawing which shows the joining state of a compressed air discharge outlet part and a connection nozzle. It is sectional drawing which shows a cap with a bottle container. (A), (B) is a fragmentary sectional view explaining the function of an auxiliary | assistant removal means. It is sectional drawing which shows a valve connection metal fitting. It is a disassembled perspective view which shows the principal part. It is sectional drawing explaining the misalignment prevention function by a valve core pushing shaft part. (A), (B) is sectional drawing which shows the valve closed state and full open state in a valve connection metal fitting. It is sectional drawing which shows the general structure of a tire valve. It is a fragmentary sectional view which expands and shows the other example of a valve connection metal fitting. It is sectional drawing which expands and shows the attachment state of an O-ring. It is a fragmentary sectional view showing other examples of a valve connection metal fitting. (A) is a perspective view which shows an example of a puncture repair apparatus, (B) is sectional drawing which shows the conventional valve | bulb connection metal fitting.

Hereinafter, embodiments of the present invention will be described in detail.
FIG. 1 is a perspective view showing a use state of a puncture repair kit 1 using the valve connection fitting 5 of the present embodiment, and the puncture repair kit 1 has a compressed air discharge port portion 8 for discharging compressed air. The compressor device 2 is configured to include a bottle unit 3 in which a cap 6 is attached to a mouth portion 4A of a bottle container 4 containing a puncture sealing agent.

  In this example, the compressor device 2 includes a cylinder 12 that forms a pump chamber 11 between a motor M and a piston 10 connected to the motor M, as shown in FIGS. The compressor main body 13 having at least is housed. The storage case 9 is formed in a flat and substantially rectangular parallelepiped box shape with a small height, and in this example, the storage case 9 is formed so as to be divided into upper and lower case portions.

  As the motor M, various commercially available DC motors that operate with a 12V DC power source of an automobile can be used. A power cord provided with a power plug 15 that can be connected to a cigar socket 18 of an automobile is connected to the motor M via a power switch 16 of the compressor device 2. In this example, the power switch 16 is arranged on the upper surface of the storage case 9 and the power plug 15 can be taken out into a recess (not shown) provided on the side surface or the bottom surface of the storage case 9. Stored.

  Next, as shown in FIGS. 4 and 5, the compressor body 13 includes a piston 10 connected to the motor M via a crank mechanism 17, and accommodates the piston 10 so as to be capable of reciprocating. And a cylinder 12 forming a pump chamber 11 therebetween. The piston 10 has an intake hole 19A extending through the piston 10 in the axial direction, and the intake hole 19A is closed from the pump chamber side with a spring property, such as an elastic material such as rubber, synthetic resin, or metal. An intake valve 19 using a valve 19B such as a body is formed.

  In the present example, the cylinder 12 is a surge tank that stores compressed air from the pump chamber 11 at the rear end side of the cylindrical cylinder body 20 forming the pump chamber 11 and suppresses pressure pulsation by the piston 10. A cylinder sub-portion 21 for forming the chamber 21A is integrally provided. In this example, the surge tank chamber 21A is electrically connected to the pump chamber 11 through a small hole 20A1 formed in the partition wall 20A that closes the rear end of the cylinder body 20.

  A compressed air discharge port 8 for discharging compressed air projects from the peripheral wall of the cylinder sub-part 21. In this example, a first connecting part 24A for attaching the pressure gauge 22 and a second connecting part 24B for attaching the relief valve 23 are provided in the peripheral wall of the cylinder sub-part 21 in different directions. Is done.

  As shown in FIG. 6, the compressed air discharge port portion 8 has a cylindrical shape protruding from the cylinder sub-portion 21, and a discharge passage 26 extending from the surge tank chamber 21 </ b> A is formed therein. In addition, the inner hole of the compressed air discharge port portion 8 is provided with tapered surface portions 8B and 8C that form a tapered cone toward the cylinder sub-portion 21 before and after the parallel hole portion 8A having a constant inner diameter.

  Next, the bottle unit 3 includes a bottle container 4 containing a puncture sealing agent and a cap 6 attached to the opening 4A. The bottle unit 3 is placed in the compressor device 2 in an inverted state with the cap 6 directed downward. Connected directly.

  The cap 6 is connectable to the compressed air discharge port 8 and is connected to a connection nozzle 41 that feeds compressed air from the compressed air discharge port 8 into the bottle container 4. 4 includes a cap body 29 having a sealing agent / compressed air outlet 7 for sequentially taking out the puncture sealing agent and compressed air from 4, and a feed hose 28 connected to the sealing agent / compressed air outlet 7. Yeah. In this example, the case where the connection nozzle 41 is fitted and directly connected to the compressed air discharge port portion 8 is exemplified. For example, the compressed air discharge port portion 8 is also formed in a nozzle shape, and the compressed air discharge port portion 8 is formed. And the connection nozzle 41 can be configured to be connected by a hose.

  As shown in FIG. 8, the cap body 29 of this example includes a bottom plate portion 31 forming a bottom surface, a mouth portion attaching portion 32 to which the mouth portion 4A of the bottle container 4 is attached, and a constricted portion 33 disposed therebetween. Provide one. Further, in the cap body 29, an air flow path 35 leading from the connection nozzle 41 to the mouth portion 4 </ b> A of the bottle container 4, and a sealing agent / compressed air outlet port portion 7 to the mouth portion 4 </ b> A of the bottle container 4. A extending sealing agent / compressed air outlet passage 36 is formed.

  The mouth mounting portion 32 has a mounting recess 32A for fixing the mouth 4A, and a boss portion 32B protruding from the bottom surface of the mounting recess 32A. The mounting recess 32A can be screwed into the mouth portion 4A with an internal screw provided on the inner wall surface thereof. Further, on the upper surface of the boss portion 32B, an air flow path upper opening 35a which is the upper end of the air flow path 35 and a sealing agent / compressed air take-off flow path upper opening 36a which is the upper end of the sealing agent / compressed air take-out flow path 36a. And open respectively.

  The air flow path 35 includes a vertical flow path portion 35A extending downward from the air flow path upper opening 35a, and an air flow path that is bent at the lower end of the vertical flow path portion 35A and opened at the tip of the connection nozzle 41. An L-shape is formed which includes a horizontal flow path portion 35B extending to the lower opening 35b. In this example, a one-way valve 39 for preventing the puncture sealing agent from flowing backward from the air flow path upper opening 35a is formed in the vertical flow path portion 35A.

The sealing agent / compressed air take-out flow path 36 is bent at the vertical flow path portion 36A extending downward from the sealing agent / compressed air take-out flow path upper opening 36a, and the lower end of the vertical flow path portion 36A and is sealed. It forms an L-shape consisting of a horizontal flow path portion 36B extending to the lower end opening 36b of the sealing agent / compressed air discharge flow path that opens at the tip of the agent / compressed air discharge opening 7. In this example, the vertical flow path portion 36A is formed as a central hole passing through the center of the boss portion 32B.

  The cap body 29 is provided with an inner lid 34. As shown in FIGS. 9 (A) and 9 (B), the inner lid 34 includes a cup-shaped inner lid main body 34A that is fitted to the outer peripheral surface of the boss portion 32B, and an upper portion of the inner lid main body 34A. A plug portion 34B that protrudes downward from the plate portion and is inserted into the sealing agent / compressed air outlet passage upper opening 36a and closes the sealing agent / compressed air outlet passage opening 36a.

  During storage, the inner lid 34 closes the air flow path upper opening 35 a and the sealing agent / compressed air take-out flow path upper opening 36 a so that the puncture sealant can be confined in the bottle container 4. Further, at the time of puncture repair, the boss portion 32B is automatically removed by the pressure of the compressed air flowing into the inner lid body 34A from the air flow path 35.

  Reference numeral 50 in the figure denotes auxiliary removal means for manually removing the inner lid 34 when the inner lid 34 cannot be removed by the pressure of the compressed air. The auxiliary removing means 50 is continuous with the lower end Q of the vertical flow path portion 36A, and extends in a straight line with the vertical flow path portion 36A up to the lower opening 51a that opens on the bottom surface side of the cap body 29. The extension channel portion 51 includes a push shaft 52 that is slidably held up and down in the extension channel portion 51 and that can push the plug portion 34B upward by sliding upward. .

  The push shaft 52 includes an insertion portion 52A that is airtightly arranged in the extension flow path portion 51 via an O-ring, and a protrusion portion 52B that continues to the insertion portion 52A and protrudes downward from the lower opening 51a. With The push shaft 52 has a lower position YL whose upper end is lower than the lower end Q of the vertical flow path portion 36B, and a raised position YU where the lower end of the plug portion 34B is pushed upward to remove the inner lid 34. Can move between. A lever 52C that pushes the push shaft 52 upward by manual operation is disposed at the lower end portion of the push shaft 52, and the bottom plate portion 31 of the cap body 29 has a lower end of the push shaft 52 at the lowered position YL. A stopper 31A is formed in contact with the portion. The protruding portion 52B is provided with spring means 53 that urges the push shaft 52 downward to return it to the lowered position YL.

  Next, the connection nozzle 41 protrudes from the constricted portion 33 toward the compressed air discharge port 8 and is directly connected by fitting into the compressed air discharge port 8.

  As shown in FIGS. 6 and 7, the connection nozzle 41 has a tapered cone-shaped tapered surface portion 41B on the distal end side of the parallel nozzle body 41A, and the compressed air discharge port on the outer periphery of the nozzle body 41A. An O-ring 43 that seals between the inner peripheral surface of the portion 8 is attached. In this example, the O-ring 43, which is a consumable item, is disposed on the cap body 29 side, so that the compressor device 2 can be used repeatedly without maintenance.

  The rear tapered surface portion 8C in the compressed air discharge port portion 8 has substantially the same inclination as the tapered surface portion 41B. When the connecting nozzle 41 is inserted into the compressed air discharge port portion 8, the tapered surface portion 41B is formed. It functions as a receiving surface that receives and concentrically holds it.

  The cap body 29 is provided with a pair of locking claws 45 on both sides of the connection nozzle 41 (upper and lower sides in this example), and the compressor device 2 is opposed to the locking claws 45. In addition, a claw engagement hole 46 is formed for engaging the locking claw 45 to fix the compressor device and the bottle unit 3 in the directly connected state.

  The locking claw 45 has a right-angled triangular hook portion 45B protruding outward from the tip of a main portion 45A extending from the cap body 29 in parallel with the connection nozzle 41. The claw engaging hole 46 has a rectangular hole shape in the present example in which the locking claw 45 is inserted, and is engaged with the hook portion 45B at its upper and lower edges to be prevented from coming off. The locking claw 45 and the cap body 29 are formed as an integrally molded body made of plastic such as nylon, polypropylene, or polyethylene, or reinforced plastic in which short fibers such as glass fiber are blended. Further, in this example, the claw engagement hole 46 is formed by a frame frame 47 supported by the compressed air discharge port portion 8, and the frame frame 47, the compressed air discharge port portion 8, the cylinder 12, and the like. Is formed as an integral molded body made of a lightweight alloy such as a zinc alloy or an aluminum alloy.

  Next, the feed hose 28 is connected at its rear end to the sealing agent / compressed air outlet 7 and, at the front end of the feed hose 28, as shown in FIG. The metal fitting 5 is connected.

  The valve connector 5 includes a hose connecting portion 56 on the rear end side that can be connected to the feeding hose 28, a valve connecting portion 57 on the front end side that can be connected to the tire valve V, and the hose connecting portion 56 and the valve connecting portion. A connection fitting main body 59 having a conduction path 58 that conducts between the connection fitting 57 and valve means 60 provided inside the connection fitting main body 59.

  Specifically, the connection fitting main body 59 includes a hose connection tube 61 having a hose connection portion 56 and a valve connection tube 62 having a valve connection portion 57 and rotatably inserted in the hose connection tube 61. Have.

  The hose connection cylinder 61 has a stepped cylinder shape having an inner hole 61H, and in this example, the feeding hose 28 can be connected to the rear end side of the large-diameter cylinder body 61a by, for example, bamboo shoots. A hose connection portion 56 is formed. The inner hole 61H includes a small-diameter hole 61Ha that passes through the hose connection part 56, a large-diameter hole 61Hb that passes through the cylinder body 61a, and an inclined surface 61Hc that connects between the inner hole 61H and the cylindrical body 61a. It is formed.

  The valve connection cylinder 62 has a straight cylinder shape with, for example, a knurled outer peripheral surface. The valve connection cylinder 62 has an internal thread portion to which the tire valve V can be connected to the front end of the inner hole 62H by screwing. A portion 57 is formed. In this example, the valve connecting portion 57 is formed by inserting a ring body 57a having the inner screw portion into the valve connecting cylinder 62 from the rear end side. Further, the inner hole 62H is formed with a holding surface 62Ha on the rear end side of the valve connecting portion 57 via the step surface D for rotatably holding the cylindrical portion main body 61a. A peripheral groove 64 for receiving an O-ring 63 that seals with the holding surface 62Ha is provided on the outer peripheral surface of the cylindrical portion main body 61a. Further, the hose connection cylinder 61 is prevented from coming off by a stop ring 65 fixed to the rear end portion of the inner hole 62H.

  Next, the valve means 60 can close the center hole 66H by contacting an annular valve seat ring 66 having a center hole 66H forming a part of the conduction path 58 and a rear surface of the valve seat ring 66. A valve body 68 having a valve portion 67 and a biasing spring 69 that biases the valve portion 67 forward to abut against the valve seat ring 66 are provided.

  The valve seat ring 66 is made of a rubber-like elastic body that is compressible and deformable in this example, and is sandwiched between the step surface D and the front end of the hose connection cylinder 61. In this example, the conduction path 58 is formed by the center hole 66H and the inner hole 61H.

  The valve body 68 is, for example, a disc-shaped valve portion 67 capable of closing the center hole 66H, and protrudes forward from the valve portion 67 through the center hole 66H and is connected to the tire valve V in connection with the valve core. A valve core pushing shaft portion 70 that retreats the valve portion 67 by pressing from Vc and a stopper portion 71 that protrudes rearward from the valve portion 67 and is provided in the conduction path 58 to limit the retreat of the valve portion 67. A contact portion 72 having a contact surface 72S at the rear end is integrally provided.

  The valve core pushing shaft portion 70 is formed of a straight shaft-shaped base shaft portion 70a passing through the center hole 66H and at least three core misalignment prevention ribs 70b protruding from the outer peripheral surface of the base shaft portion 70a and extending in the axial direction. Is done. As shown in FIG. 12, the core misalignment prevention rib 70b is close to the inner peripheral surface of the center hole 66H, thereby ensuring the necessary flow passage area and the core with respect to the center hole 66H of the valve core push shaft portion 70. Misalignment can be suppressed. From the viewpoint of securing the flow path area, it is preferable that the misalignment prevention rib 70b is three. Further, the difference (D2-D1) between the outer diameter D1 of the misalignment prevention rib 70b and the inner diameter D2 of the center hole 66H is the outer diameter D3 (shown in FIG. 11) of the valve portion 67 and the inner diameter of the large diameter hole portion 61Hb. It is set smaller than the difference from D4 (D4-D3).

  Further, in the valve closed state Y1 in which the valve portion 67 contacts the valve seat ring 66, the front end of the valve core pushing shaft portion 70 is located behind the front end of the valve connecting portion 57, and the distance L between the front ends is as follows. It is preferable to secure 2 mm or more. As shown in FIG. 13A, this means that the valve connection fitting 5 and the tire valve V are screwed together by a distance L until the valve body 68 is operated, that is, until the valve starts to open. means. As a result, even if the compressor device 2 is erroneously operated before the connection of the valve connection fitting 5, the valve connection fitting 5 is somewhat affected before the high-pressure puncture sealing agent confined in the supply hose 28 is discharged. And the tire valve V can be connected. In other words, even if an erroneous operation is performed once, the puncture repair can be performed by reconnecting the valve fitting 5 without causing the puncture sealing agent to scatter. As shown in the general structure of the tire valve V in FIG. 14, the protrusion distance δ from the tip of the tire valve V at the tip of the valve core Vc varies in a range of approximately +0.25 to −0.90 mm. By setting the above to the above range, the above-described valve fitting 5 can be reconnected. In addition,-(minus) display of protrusion distance (delta) means that the valve core Vc front-end | tip is falling rather than the tire valve | bulb V front-end | tip. In the tire valve V, as is well known, the valve core Vc is pushed and retracted to open the valve portion V1, and the stroke K1 of the valve core Vc until fully open is about 1.5 mm. In the fully open state Y2 of the valve (shown in FIG. 13B), the valve core push shaft portion 70 projects forward by a distance N from the valve seat ring 66.

  Next, as shown in FIG. 10, the contact portion 72 has a body 72a having a smaller diameter than the valve portion 67 and loosely inserting a biasing spring 69 therearound, and a rear end portion thereof. The contact surface 72S is formed of a cone surface 73 that is inclined in a tapered manner toward the rear. In the valve body 68, the valve portion 67, the valve core pushing shaft portion 70, and the contact portion 72 are formed concentrically.

  Further, the stopper portion 71 abuts against the abutment surface 72S to limit the backward movement of the valve portion 67. That is, in the valve means 60, as shown in FIGS. 13A and 13B, when the tire valve V is screwed in, the valve core Vc first presses the valve core pushing shaft portion 70 to retract the valve body 68. Then, the abutting part 72 comes into contact with the stopper part 71, and the valve is fully opened Y2. The stroke K2 (stroke from the valve closed state Y1 to the fully open state Y2) of the valve body 68 at this time is about 2.0 mm in this example. Thereafter, when the tire valve V is further screwed in, the valve core Vc is pressed and pressed by the valve core pushing shaft portion 70, the valve core Vc is retracted relative to the valve stem, and the valve portion V1 of the tire valve V is opened. Thus, the puncture sealing agent can flow into the tire (hereinafter, this state is referred to as a tire valve open state Y3).

  As shown in FIGS. 10 and 11, the stopper portion 71 protrudes from the inner peripheral surface of the conducting path 58 (in the present example, the joint surface 61Hc) and is arranged at intervals in the circumferential direction (in this example). Then, the four protrusions 74 are formed. Further, a centering surface 75 that receives the cone surface 73 and holds the contact portion 72 concentrically with the conduction path 58 is formed at the projecting end of each projecting portion 74 by making the same inclination as the cone surface 73. .

  Therefore, in the valve means 60, the puncture sealant flows forward through the gap J1 (shown in FIGS. 11 and 13B) between the protrusions 74 and 74 in the fully open state Y2 of the valve. Can do. Moreover, since the contact portion 72 of the valve body 68 is held concentrically with the conduction path 58 by the centering surface 75, the flow path that is the gap J2 between the valve body 68 and the inner peripheral surface of the conduction path 58 is circumferential. Uniform and stable. Therefore, the flow of the puncture sealant is stabilized, and the flow resistance and its fluctuation can be suppressed low. The protrusion 74 is formed with a recess 74 a that receives the rear end of the biasing spring 69.

Here, the distance N preferably satisfies the following formula (1).
N> K1-δ --- (1)
When the protrusion distance δ varies from +0.25 to −0.90 mm as described above, the distance N is greater than 2.4 mm when the stroke K1 of the valve core Vc is 1.5 mm. As a result, in the tire valve open state Y3 (indicated by a two-dot chain line in FIG. 13B), the tire valve V can be pressed against the valve seat ring 66, and the space between the tire valve V and the puncture sealant is sealed. Leakage can be reliably prevented. For this purpose, it is also necessary that the valve seat ring 66 is made of a rubber-like elastic body that can be compressed and deformed.

  Next, in order to screw the valve connecting fitting 5 to the tire valve V, the valve connecting fitting 62 is pressed against the tire valve V while the valve connecting fitting 62 is connected to the hose connecting fitting 61 and the valve connecting fitting 5. It is necessary to rotate with respect to.

  However, when the valve connection fitting 5 has a structure as shown in FIGS. 10 and 13 (hereinafter sometimes referred to as the first embodiment), the outer peripheral surface of the valve seat ring 66 is the inner peripheral surface of the valve connection cylinder 62. Since the contact area is large and the contact area is large, the resistance during rotation tends to increase and the mounting workability tends to be inferior.

  Therefore, in order to improve this mounting workability, it is preferable to employ the valve connection fitting 5 of the second embodiment described below. As shown in FIG. 15, the valve fitting 5 of the second embodiment holds the outer peripheral surface of the valve seat ring 66 in an airtight manner by pressure-bonding the outer peripheral surface of the valve seat ring 66 to the inner hole 61 </ b> H of the hose connection cylinder 61 and its front end. A valve seat ring holding portion 76 is formed.

  In this example, the inner peripheral surface of the large-diameter hole portion 61Hb of the hose connection cylinder 61 is used as the valve seat ring holding portion 76 as it is.

  The valve seat ring 66 includes a cylindrical valve seat main body 66A whose outer peripheral surface is fitted to the valve seat ring holding portion 76, and a flange-shaped flange portion 66B provided at the front end of the valve seat main body 66A. With. The flange portion 66 </ b> B functions as a stopper that regulates the positional displacement to the rear side by contacting the front end surface of the hose connection cylinder 61. Further, in this example, the outer diameter of the flange 66B is made smaller than the inner diameter of the inner hole 62H of the valve connection cylinder 62, so that the outer peripheral surface of the valve seat ring 66 and the inner diameter of the valve connection cylinder 62 are reduced. The peripheral surface is not contacted.

  Therefore, when the valve connection fitting 5 is screwed to the tire valve V, the resistance during rotation of the valve connection cylinder 62 is greatly reduced, and the mounting workability can be improved. Even when the outer diameter of the flange portion 66B is equal to or larger than the inner diameter of the inner hole 62H of the valve connection tube 62, and the outer peripheral surface of the flange portion 66B is in contact with the inner peripheral surface of the valve connection tube 62, Since the contact area is greatly reduced as compared with the case of the first embodiment, the rotational resistance is small, and the mounting workability can be improved. Non-contact is more preferable.

  In the case of this second embodiment, since the valve seat ring 66 is closely fitted to the hose connection cylinder 61, the compressor device 2 is mistakenly connected before the valve connection fitting 5 is connected to the tire valve V. Even if it has been activated, leakage of the puncture sealing agent can be reliably prevented in the valve closed state Y1. Even in the tire valve open state Y3 in which the valve fitting 5 is connected to the tire valve V, the tip of the tire valve V is pressed against the front end surface of the valve seat ring 66, so that leakage of the puncture sealing agent is prevented.

  Further, when the valve connection fitting 5 is removed from the tire valve V after injecting the puncture sealant and the high-pressure air, or when the valve connection fitting 5 is attached to the tire valve V after the compressor device 2 is erroneously operated, the valve seat Since the front end surface of the ring 66 is in contact with the step surface D, leakage of the puncture sealing agent is prevented. However, for the sake of safety, in this example, a peripheral groove 78 is provided on the outer peripheral surface of the hose connection cylinder 61, and an O-ring 77 that seals between the inner peripheral surface of the valve connection cylinder 62 in the peripheral groove 78. Is housed.

  As shown exaggeratedly in FIG. 16, the O-ring 77 has a cross-sectional diameter D 77 larger than the groove depth H of the peripheral groove 78 and the groove bottom of the peripheral groove 78 and the valve connecting cylinder 62. Or less, the compression ratio of the O-ring 77 is set to 0%. Thereby, an increase in the rotational resistance of the valve connection cylinder 62 due to the O-ring 77 is suppressed.

  FIG. 17 shows another example of the valve fitting 5 of the second embodiment. In this example, as the valve seat ring holding portion 76, a circumferential groove 80 is formed that is recessed in the inner peripheral surface of the large-diameter hole portion 61Hb of the hose connection cylinder 61. The valve seat ring 66 protrudes from the outer peripheral surface of the cylindrical valve seat main body 66A and continuously extends in the circumferential direction, and closes in the circumferential groove 80 (valve seat ring holding portion 76). And a fitting convex portion 66 </ b> C to be fitted into the fitting portion. Also in this case, the outer peripheral surface of the valve seat ring 66 and the inner peripheral surface of the valve connection cylinder 62 are not in contact with each other, and the rotational resistance of the valve connection cylinder 62 can be reduced.

  As mentioned above, although especially preferable embodiment of this invention was explained in full detail, this invention is not limited to embodiment of illustration, It can deform | transform and implement in a various aspect.

DESCRIPTION OF SYMBOLS 1 Puncture repair kit 2 Compressor apparatus 3 Bottle unit 4 Bottle container 4A Mouth part 5 Valve connection metal fitting 6 Cap 7 Sealing agent and compressed air outlet part 8 Compressed air discharge part 28 Feed hose 29 Cap body 31 Bottom plate part 32 Mouth part Mounting portion 32B Boss portion 34 Inner lid 34A Inner lid body 34B Plug portion 35 Air flow path 35a Air flow path upper opening 36 Sealing agent / compressed air take-out flow path 36a Sealing agent / compressed air take-out flow path upper opening 41 Connecting nozzle 50 Auxiliary removal means 52 Push shaft 52A Insertion part 52B Protrusion part 53 Spring means

Claims (3)

A cap attached to the mouth of a bottle container containing a puncture sealant,
The cap comprises a cap body and an inner lid,
The cap body includes a mouth mounting portion that attaches to the mouth portion of the bottle container, a connection nozzle to which compressed air is supplied, an air flow path that leads from the connection nozzle into the mouth portion of the bottle container, and the compression Sealing agent / compressed air outlet for sequentially taking out the puncture sealing agent and compressed air from the bottle container by supplying air, and sealing extending from the sealing agent / compressed air outlet into the mouth of the bottle container Agent and compressed air extraction flow path is formed,
The mouth mounting portion has a mounting recess fixed to the mouth, and a boss protruding from the bottom surface of the mounting recess,
In the boss portion, an air channel upper opening that is one end of the air channel and a sealing agent / compressed air extraction channel upper opening that is one end of the sealing agent / compressed air take-off channel are opened, respectively.
The inner lid is fitted to the outer peripheral surface of the boss portion, and the upper end closed inner lid body, and the inner lid projects downward from the inner lid body and is inserted into the upper opening of the sealing agent / compressed air outlet flow path. And plug part that closes the upper opening of the agent / compressed air extraction flow path,
While the plug portion is removed from the boss portion by the pressure of compressed air flowing into the inner lid body from the air flow path,
A cap for a bottle container containing a puncture sealing agent, wherein auxiliary removal means for manually removing the inner lid is provided when the inner lid cannot be removed by the pressure of the compressed air. The sealing agent / compressed air take-out flow path is bent at a vertical flow path portion extending downward from the upper opening of the sealing agent / compressed air take-out flow path, and bent at the lower end of the vertical flow path portion, and the sealing agent / compressed air take-out flow path L-shaped consisting of a horizontal flow path opening at the tip of the mouth,
The auxiliary detachment means is connected to the lower end of the vertical flow path portion, and the extended flow path portion extends in a straight line from the vertical flow path portion to the lower opening that opens on the bottom surface side of the cap body. The cap of the bottle container which accommodated the puncture sealing agent of Claim 1 including the pushing shaft which is hold | maintained so that it can slide up and down in this extension flow path part, and can push up the said stopper part upwards by sliding upwards . The push shaft includes an insertion portion that is airtightly arranged in the extension channel portion via an O-ring, and a protruding portion that continues to the insertion portion and projects downward from the lower opening,
The push shaft can move between a descending position whose upper end is lower than the lower end of the vertical flow path portion and an elevated position where the lower end of the plug portion is pushed upward to remove the inner lid,
The cap of the bottle container containing the puncture sealing agent according to claim 2, wherein the protruding portion is provided with spring means for urging the push shaft downward to return it to the lowered position.

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