JP4699871B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine, for example, a gaming machine such as a pachinko gaming machine that performs so-called “ball removal” in which a gaming ball is discharged from a ball tank that stores gaming balls and a ball passage that supplies gaming balls to a tray.

  A gaming machine such as a conventional pachinko gaming machine has a payout device that supplies a gaming ball stored in a ball tank provided above the gaming machine to a tray provided on the front surface of the gaming machine, This dispensing device is provided with a ball passage communicating from the ball tank to the tray.

On the other hand, when a game ball is clogged in the ball passage, or during maintenance of the gaming machine, so-called “ball removal” is performed in which the game ball is discharged from the ball tank and the ball passage. In the conventional ball removal, there are known ones that discharge a game ball to a tray (for example, see Patent Document 1) or those that discharge a game ball to the outside of a gaming machine (for example, see Patent Document 2). ing.
JP 2000-126410 A Japanese Patent Laid-Open No. 11-146554

  However, in the case where the game ball is discharged to the tray when the ball is removed, when the game ball being played is stored in the tray, the game ball discharged by the ball removal is stored in the tray. Therefore, there is a problem that the ball removal work cannot be performed during business, that is, when a player exists.

  In addition, game balls that are discharged to the outside of the gaming machine at the time of ball removal can not be mixed with game balls stored in the saucer, so the ball removal work can be performed during business hours. The game balls discharged by the player will not touch the player's eyes, so the game balls that should be removed and won will not be manipulated by any fraud, but such illegal manipulation was performed There is a risk that the player may be worried that the player may make a mistake.

  The present invention has been made in view of such a problem, and it is possible to perform ball removal during business, and to ensure sufficient transparency of the ball removal to prevent anxiety for the player. It aims to provide a game machine that can be used.

  The gaming machine according to the present invention includes a gaming board (for example, gaming board 3 or the like) provided with a winning opening (for example, a big winning opening 8, a starting opening 10, a general winning opening 16 or the like) through which game balls can be won, An outlet (for example, the outlet 9) that opens to the lower end of the game board and communicates with a discharge passage (for example, the discharge passage 42) that discharges game balls that have not won the winning opening to the outside; An opening (for example, a communication port 41a, etc.) that opens to the game board above the out port; a ball tank (for example, the ball tank 11) that is provided on the back side of the game board and stores game balls; A first passage (for example, the first passage 40) that supplies game balls stored in the ball tank to a tray (for example, the tray 2) and the opening (for example, communication) communicate with the ball tank. A second passage (for example, the second passage 41) supplied to the mouth 41a, etc. ) Including a ball passage (e.g., the ball passage 24), and a state in which a game ball that is provided in the ball passage and passes through the ball passage is sent to the first passage or the second passage, and the first passage A ball delivery control member (for example, an electric drive device 32, a sprocket 39, etc.) that can be changed to a state that restricts delivery to the second passage or the second passage, and the ball passage downstream of the ball delivery control member. A switching member (for example, a switching switch 37, a switching valve 38, etc.) provided to switch the flow path of the game ball passing through the ball path to either the first path or the second path; The release member (for example, the first linear member 34, for example) that releases the restriction of the ball delivery control member in conjunction with the switching of the switching member so that the flow path of the first passage is switched to the second passage side. Link member 35, second And a one having a linear member 36, etc.).

  With this configuration, the ball tank communicates with the opening that opens in the game board via the second passage provided in the ball passage, and the flow path of the game ball is switched to the second passage that communicates with the opening. In conjunction with the switching of the switching member, the restriction of the ball delivery control member is released to allow the supply of the game ball in the ball passage. After rolling on the game board surface, it can be discharged from the outlet. For this reason, it is possible to prevent the game balls stored in the tray and the game balls that have been removed from being mixed, and the balls can be removed during business.

  In addition, since the player can visually recognize the game ball discharged from the opening at the time of ball removal, the transparency of the ball removal can be sufficiently secured, and there are some game balls to be prized and ball removal. Although it is not illegally operated for the reason, it is possible to prevent the player from being given anxiety or the like that may cause the player to misunderstand that the unauthorized operation has been performed.

Further, the opening of the gaming machine according to the present invention is configured to communicate with the out port.
With this configuration, since the opening is provided in the out port that opens to the lower end of the game board, the game ball discharged from the second passage is reliably prevented from being mixed with the game ball rolling on the game board. Therefore, it is possible to reliably prevent the occurrence of a situation where a winning opening is won.

  In addition, the gaming machine of the present invention is configured by separately forming communication ports (for example, communication ports 41a, 42a, etc.) communicating with each of the discharge passage and the second passage in the out port. Yes.

  With this configuration, it is possible to clearly distinguish between a game ball that has not won a prize opening and a game ball that is discharged by removing a ball from the outlet.

  Further, the gaming machine of the present invention comprises a communication port that communicates with the second passage at the upper portion of the out port, and a communication port that communicates with the discharge passage at the lower portion of the out port. Yes.

  With this configuration, game balls that have not won a prize opening are rolled out on the game board and discharged from the outlet opening at the bottom of the game board, while game balls discharged by ball removal are discharged from the outlet opening. It needs to be discharged to the lower part of the game board and made visible to the player, but if a communication port communicating with the discharge passage is formed at the lower part of the communication port communicating with the second passage, the game board rolls on the game board. It is possible to prevent the game ball discharged from the out-port and the game ball discharged from the out-port to the lower part of the game board from coming into contact with each other in the out-port.

  In addition, since the game ball to be removed can be discharged from the upper part of the out-out opening, it is possible to clearly distinguish and visually recognize the game balls that have not won the winning opening and the game balls discharged by the removal.

  The gaming machine of the present invention can provide a gaming machine that can remove a ball during business and can ensure that the ball is sufficiently transparent to prevent anxiety for the player. it can.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 to 14 are diagrams showing an embodiment of a gaming machine according to the present invention, showing an example in which the gaming machine of the present invention is applied to a pachinko gaming machine.

  First, the configuration will be described. In FIG. 1, a pachinko gaming machine 1 includes an outer frame 5 provided for installing the pachinko gaming machine 1 in an island facility of the game hall, and an inner frame provided with a game board 3 provided inside the outer frame 5. A frame 6 is pivotally supported by the middle frame 6, and a front frame 7 that opens and closes the game board 3, and a lower right side of the front frame 7, and a game toward the game area on the game board 3. A launch handle 4 that is rotated to launch a ball, and a tray 2 that is provided below the front frame 7 and receives a game ball are provided.

  The game area on the game board 3 is provided with a big winning port 8, an out port 9, a starting port 10, a general winning port 16, and the like. The big winning opening 8 opens and closes under predetermined conditions when the gaming state becomes a big hit state, and when a game ball wins the big winning opening 8, a predetermined number (for example, 15) of games are played by a payout control circuit (not shown). The ball is paid out as a prize ball.

  The out port 9 is opened at the lower end of the gaming board 3 below the grand prize winning port 8, the starting port 10 and the general winning a prize port 16, and the starting port 10, the big winning a prize port 8 or the general prize winning constituting the prize winning port. A game ball that has not won a prize in any of the mouth 16 and the like is received and discharged out of the machine.

  The starting port 10 is configured such that a big hit determination random number value or the like is extracted by a main control circuit (not shown) on condition that the game ball has passed through the starting region provided in the starting port 10. The circuit is configured to make a jackpot determination or the like based on the jackpot determination random number value or the like.

  When a game ball wins the general winning opening 16, a fixed number of game balls (for example, 15 balls) are paid out as winning balls by a payout control circuit (not shown).

  FIG. 2 is a perspective view showing the back side of the pachinko gaming machine 1 in the present embodiment. As shown in FIG. 2, on the back surface of the outer frame 5 of the pachinko gaming machine 1, a ball tank 11 is provided above the outer frame 5 and stores game balls, and a game ball paid out or rented from the ball tank 11 Are provided to the payout device 13 and a payout device 13 configured to pay out a predetermined number of game balls from among the plurality of game balls supplied.

  As shown in FIG. 3, the game balls replenished from the ball rail 12 to the payout device 13 are guided to the tray 2 or the out port 9 by the payout device 13 (details will be described later). The payout device 13 is provided with a changeover switch 37. When the changeover switch 37 is set at the time of game (right side in FIG. 3), the game ball is guided to the tray 2 and the changeover switch 37 is removed from the ball ( When set to the left side in FIG. 3, the game ball is guided to the out port 9.

  As shown in FIG. 4, the payout device 13 includes a first payout unit 21, a second payout unit 22, and a third payout unit 23. The first payout unit 21 and the third payout unit 23 have a ball passage 24 therein and are assembled with the second payout unit 22 interposed therebetween.

The payout device 13 includes two ball passages 24, a ball passage 24 between the first payout unit 21 and the second payout unit 22 and a ball passage 24 between the second payout unit 22 and the third payout unit 23. The game ball guided from the two ball rails 12 is guided.
As shown in FIG. 5, the second payout unit 22 includes a base member 31, an electric drive device 32, a ball detection sensor 33, a first linear member 34, a link member 35, and a second linear member. 36, a changeover switch 37, a changeover valve 38, and a sprocket 39.

  As shown in FIG. 6, the base member 31 includes a first straight groove portion 31a extending in the left-right direction in FIG. 6, a bent groove portion 31b bent continuously at the right end of the first straight groove portion 31a, and an upper end. The portion includes a second linear groove portion 32b that is continuous with the bent groove 31b and extends in the up-down direction, and a link member hole 31d that is provided diagonally to the left of the bent groove 31b.

  A first linear member 34 is fitted into the first linear groove portion 31a, and the first linear member 34 is moved along the first linear groove portion 31a.

  Further, the second linear member 36 is fitted into the second linear groove portion 31c, and the second linear groove portion 31c is moved along the second linear groove portion 31c. Yes. Further, as shown in FIG. 8, the link member 35 includes a fan-shaped portion 35a and a convex portion 35b extending in the vertical direction from the fan-shaped portion 35a, and the convex portion 35b is fitted into the link member hole 31d. Thus, the fan-shaped portion 35a swings along the bent groove portion 31b with the convex portion 35a as a swing fulcrum.

  The electric drive device 32 includes a spring 32a, an electromagnetic solenoid 32b, and a flap 32c. When the upper end of the flap 32c is pressed by the spring 32a, the lower end is normally in a state of restricting the rotation of the blades of the sprocket 39 as shown in FIG.

  When the game ball is paid out or lent out, the electromagnetic solenoid 32b is excited by the payout control circuit so that the flap 32c is attracted to the electromagnetic solenoid 32b as shown in FIG. 12, and the rotation restriction of the sprocket 39 is released. Is done.

The ball detection sensor 33 is adapted to detect a game ball passing through the ball passage 24. The detection signal of the ball detection sensor 33 is input to the payout control circuit, and the ball control circuit passes the ball passage 24 by the payout control circuit. The number of game balls that have passed is recognized.
The first linear member 34, the link member 35, and the second linear member 36 are fitted in the first linear groove portion 31a, the bent groove portion 31b, and the second linear groove portion 31c of the base member 31, respectively. The flap 32c is moved to the electromagnetic solenoid 32b side in conjunction with the operation of switching the flow path from the tray 2 direction to the outlet 9 direction. This operation will be described in detail later.

  The changeover switch 37 switches the flow path for guiding the game ball to the tray 2 or the outlet 9. In the present embodiment, when the changeover switch 37 is set at the time of the game (right side in FIG. 3), the game ball is moved to the saucer 2 via the first passage 40 as shown in FIG. Is set to ball removal (left side in FIG. 3), the game ball is guided to the out port 9 via the second passage 41 as shown in FIG.

  FIG. 14 is a diagram showing the configuration of the out port 9. 14, the second passage 41 communicates with the out port 9, and the out port 9 has a communication port 41a of the second passage 41 and a communication port 42a of the discharge passage 42 for discharging game balls to the outside. It is formed separately.

  Further, the communication port 41 a of the second passage 41 communicates with the upper portion of the out port 9, and the communication port 42 a of the discharge passage 42 communicates with the lower portion of the out port 9. In the present embodiment, the communication port 41a of the second passage 41 constitutes an opening.

  Further, as shown in FIG. 10, the switching valve 38 is disposed in the ball passage 24, and guides the flow path of the game ball flowing down the ball tank 11 and the ball passage 24 to the tray 2 or the second passage 41. Can be switched to

  FIG. 7 is a diagram showing a coupling relationship between the second linear member 36, the changeover switch 37, and the changeover valve 38. In FIG. 7, the switching valve 38 is formed of a triangular plate member, and a coupling portion 38 a having a curved surface is provided at the upper end portion of the switching valve 38, and this coupling portion 38 a is the center of the lower end portion of the switching switch 37. It fits into the notch part 37c formed.

  Therefore, by operating the changeover switch 37, the changeover valve 38 is moved, and the flow path of the game ball in the ball passage 24 is switched in the first passage direction 40 direction or the second passage 41 direction. Further, by operating the changeover switch 37, the second linear member 36 moves downward when the flow path of the changeover valve 38 is in the direction of the tray 2, and upwards when the flow path is in the direction of the outlet 9.

  The second linear member 36 is formed with a convex portion 36a, and this convex portion 36a is slidably engaged with a concave portion 37d formed so as to tilt upward as viewed from the back of the changeover switch 37. It comes to match.

  Therefore, by operating the changeover switch 37, the convex portion 36a moves along the concave portion 37d, so that the second linear member 36 moves in the vertical direction as described above. When the second linear member 36 moves downward, the link member 35 and the first linear member 34 do not move the flap 32c to the electromagnetic solenoid 32b. Therefore, the flap 34c is urged by the spring 32a and the flap 32c The lower end is brought into contact with the sprocket 39, and the rotation is restricted so that the blades of the sprocket 39 do not rotate.

  Further, when the second linear member 36 moves upward, the link member 35 and the first linear member 34 move the flap 32c to the electromagnetic solenoid 32b side and separate the lower end portion of the flap 32c from the sprocket 39. The blades of the sprocket 39 allow rotation.

  A convex portion 37a is provided at the upper end portion of the changeover switch 37, and this convex portion 37a is set when the changeover switch 37 is moved left and right on the base member 31 or when the game switch is set at the time of gaming. By fitting into the recess 31f (see FIG. 6), it is fixed at a fixed position and is prohibited from moving in the left-right direction in the figure.

  Further, the changeover switch 37 has a linear hole 37b formed below the convex portion 37a, and the convex portion 37a is moved until the convex portion 37a moves to a position where it fits into the concave portion 31e or the concave portion 31f. It is allowed to bend downward and the changeover switch 37 can be moved smoothly.

  The sprocket 39 is disposed in the ball passage 24 so as to send the game ball to the downstream side of the ball passage 24. As shown in FIG. 9, the sprocket 39 has a shape in which three blades arranged at intervals of 120 degrees are formed on both sides, and the blades on both sides are formed by being shifted by 60 degrees.

  The sprocket 39 includes a ball receiving portion 39a on the inner side of the blade, and receives the game balls one by one at the ball receiving portion 39a and sends them out to the downstream side. Further, the sprocket 39 is set so that the interval between the three blades becomes the interval for sending out one game ball.

  In the present embodiment, the electric drive device 32 and the sprocket 39 are provided in the ball passage 24, and the game ball passing through the ball passage 24 is sent to the first passage 40 or the second passage 41 and the first state. The ball delivery control member is configured to be variable to a state in which delivery to the passage 40 or the second passage 41 is restricted.

  The changeover switch 37 and the changeover valve 38 are provided in the ball passage 24 on the downstream side of the sprocket 39, and the flow path of the game ball passing through the ball passage 24 is either the first passage 40 or the second passage 41. The switching member which switches to either is comprised.

  Further, the changeover switch 37 and the changeover valve 38 are switched so that the first linear member 34, the link member 35, and the second linear member 36 are switched so that the flow path of the game ball is switched to the second passage 41 side. In conjunction with this, a release member for releasing the restriction of the sprocket 39 is configured.

  Next, in the pachinko gaming machine 1 according to the present embodiment, a method of switching the ball passage 24 in the payout device 13 in the direction of the tray 2 or the direction of the outlet 9 will be described with reference to FIGS.

  FIG. 10 is a diagram showing a state in which the changeover switch 37 is set during the game. In FIG. 10, when a store clerk or the like of the game hall moves the changeover switch 37 to the right side, the convex portion 36a of the second linear member 36 moves along the concave portion 37d of the changeover switch 37 so that the second linear member 36 becomes as shown in FIG. Move down in the middle.

  At this time, since the link member 35 and the first linear member 34 do not move the flap 32c to the electromagnetic solenoid 32b, the flap 34c is urged by the spring 32a, the lower end of the flap 32c is brought into contact with the sprocket 39, and the sprocket 39 The rotation of the blade is restricted so that the blade does not rotate.

  Further, when a game ball is paid out or lent out during a game, the main control circuit excites the electromagnetic solenoid 32b to attract the flap 32c to the electromagnetic solenoid 32b, and the sprocket 39 rotates to play the game ball. Will flow down. At this time, as shown in FIG. 11, the switching valve 38 in the state of FIG. 10 is prohibited from guiding the game ball to the second passage 41, and the ball passage 24 is communicated with the first passage 40. For this reason, the game balls in the ball passage 24 are supplied to the tray 2 via the first passage 40.

  On the other hand, when the game ball is clogged in the ball passage 24 or when maintenance of the pachinko gaming machine 1 is performed, the ball removal for discharging the game ball from the ball tank 11 and the ball passage 24 is performed.

  At this time, as shown in FIG. 12, the store clerk or the like moves the changeover switch 37 to the left, whereby the convex portion 36 a of the second linear member 36 moves along the concave portion 37 d of the changeover switch 37. Moves upward in FIG.

  At this time, the link member 35 swings toward the first linear member 34 in conjunction with the upward movement of the second linear member 36. The first linear member 34 moves to the left in FIG. 12 in conjunction with the swinging of the link member 35 and pushes the flap 32c toward the electromagnetic solenoid 32b. Therefore, the lower end of the flap 32c is separated from the sprocket 39. To do.

  Thereby, since the rotation regulation by the flap 32c is cancelled | released, the sprocket 39 can rotate freely and a game ball will be in the state which can flow down. The switching valve 38 in the state of FIG. 12 closes the first passage 40 that leads to the tray 2 as shown in FIG. 13, so that the game ball B passes through the second passage 41 as shown in FIG. It is discharged to the out port 9.

  That is, the game ball B guided to the second passage 41 is discharged to the lower end side of the game board 3 from the communication port 41a, and is visually recognized by the player by rolling on the game board 3 for a predetermined time. Then, the air is guided to the discharge passage 42 through the communication port 42 a provided at the lower end portion of the communication port 41 a and is discharged to the outside through the discharge passage 42.

  Thus, in the present embodiment, when the ball is removed from the game, the switching valve 38 is switched so that the flow path of the game ball is switched to the second passage 41 side communicating with the out port 9. In conjunction with this, the regulation of the sprocket 39 is released to allow the supply of the game ball in the ball passage 24. Therefore, after the game ball is discharged to the surface of the game board 3 through the out port 9 when the ball is removed, It can be discharged from the mouth 9. For this reason, it is possible to prevent the game balls stored in the tray 2 and the game balls that have been removed from being mixed, and the balls can be removed during business.

  Further, since the player can visually recognize the game ball discharged from the out port 9 when the ball is removed, the transparency of the ball removal can be sufficiently secured, and the game ball to be prized and removed can be obtained. Although it is not illegally operated for any reason, it is possible to prevent giving the player anxiety or the like that may cause the player to misunderstand that such an illegal operation has been performed. .

  In the present embodiment, the game ball is discharged from the out port 9 when the ball is removed, so that the game ball discharged from the second passage 41 is mixed with the game ball rolling on the game board 3. Can be reliably prevented, and it is possible to reliably prevent the occurrence of a situation in which the game ball wins the big winning opening 8, the starting opening 10, and the general winning opening 16, or the like.

  In the present embodiment, since the communication ports 42a and 41a communicating with the discharge passage 42 and the second passage 41 are separately formed in the out port 9, the big winning port 8, the starting port 10 and the general winning port are formed. It is possible to clearly distinguish a game ball that has not won a prize from the mouth 16 and a game ball that is discharged by removing the ball from the outlet 9.

  In the present embodiment, the communication port 41a that communicates with the second passage 41 is provided at the upper portion of the out port 9, and the communication port 42a that communicates with the discharge passage 42 is provided at the lower portion of the out port 9. Such effects can be obtained.

  That is, while the game balls that have not won the big prize opening 8, the start opening 10 and the general prize opening 16 are rolled on the game board 3 and discharged from the out opening 9 opened at the lower part of the game board 3, The game ball discharged by removing the ball needs to be discharged from the out port 9 to the lower part of the game board 3 so that the player can visually recognize the game ball, but in the lower part of the communication port 41 a communicating with the second passage 41, If the communication port 42a that communicates is formed, the game ball that rolls on the game board 3 and is discharged from the out port 9, and the game ball that is discharged from the out port 9 to the lower part of the game board 3 by the ball removal Contact within 9 can be prevented.

  In addition, since the game ball to be removed can be discharged from the upper part of the out port 9, the game ball that has not been won in the big winning port 8, the starting port 10 and the general winning port 16 and the game discharged by removing the ball. The sphere can be clearly distinguished and visually recognized.

  In the present embodiment, a sprocket 39 is provided as a ball delivery control member, and by allowing or restricting the rotation of the sprocket 39, the game ball is allowed to be delivered to the first passage 40 or the second passage 41. Although prohibited, a plate or the like for opening and closing the ball passage 24 on the upstream side of the first passage 40 or the second passage 41 is provided, and when the game ball is sent out to the first passage 40 or the second passage 41, When the ball passage 24 is opened by the plate and the game ball is prohibited from being sent out to the first passage 40 or the second passage 41, the ball passage 24 may be closed by the plate.

  In the present embodiment, the second passage 41 is communicated with the out port 9, but this is not limiting, and an opening is provided in the game board 3 above the out port 9, and the second passage 41 is provided. You may make it communicate with this opening part.

  In this case, in order to prevent the game balls discharged from the opening at the time of ball removal from winning the big winning opening 8, the starting opening 10 and the general winning opening 16, the opening has the large winning opening 8, the starting opening. 10 and the general winning opening 16 are preferably not located above.

The perspective view which shows the external appearance of the pachinko game machine of one embodiment of this invention Overview of the back side of the pachinko machine of one embodiment Enlarged view of the payout device of the pachinko gaming machine of one embodiment Exploded perspective view of payout device of pachinko gaming machine according to one embodiment 4 is an exploded perspective view of the second dispensing unit in FIG. Enlarged view of the base member in FIG. The figure for demonstrating the assembly of the switching member of the pachinko game machine of one embodiment Enlarged view of the link member in FIG. Enlarged view of the sprocket in FIG. The front view of the 2nd payout unit set at the time of the game of the pachinko machine of one embodiment The figure which shows the ball path in FIG. The front view of the 2nd payout unit set at the time of ball removal of the pachinko machine of one embodiment The figure which shows the ball path in FIG. The figure which shows schematic structure in the out port of the pachinko game machine of one embodiment

Explanation of symbols

1 Pachinko machine (game machine)
2 Saucer 3 Game board 8 Grand prize opening (winning entrance)
9 Out port 10 Start port (winning port)
11 Ball tanks 16 General winning entrance (winning entrance)
24 ball passage 32 electric drive device (ball feed control member)
34 First linear member (release member)
35 Link member (release member)
36 Second linear member (release member)
37 changeover switch (switching member)
38 Switching valve (switching member)
39 Sprocket (ball feed control member)
40 1st passage 41 2nd passage 41a Communication port 42 Discharge passage 42a Communication port

Claims (4)

A game board with a winning opening where game balls can be won;
An out port that opens to the lower end of the game board and communicates with a discharge passage that discharges game balls that have not won the winning port to the outside;
An opening that opens in the game board above the out port;
A ball tank that is provided on the back side of the game board and stores game balls;
A ball passage that communicates with the ball tank and includes a first passage that supplies game balls stored in the ball tank to a tray and a second passage that supplies the opening to the opening;
A state in which the game ball passing through the ball passage is sent to the first passage or the second passage and a state in which sending the game ball to the first passage or the second passage is restricted. A variable ball delivery control member;
A switching member that is provided in the ball passage on the downstream side of the ball delivery control member, and switches the flow path of the game ball passing through the ball passage to either the first passage or the second passage;
And a release member for releasing the restriction of the ball delivery control member in conjunction with the switching of the switching member so that the flow path of the game ball is switched to the second passage side. To play. The gaming machine according to claim 1, wherein the opening communicates with the out port. The gaming machine according to claim 2, wherein a communication port that communicates with each of the discharge passage and the second passage is formed separately in the out port. 4. The gaming machine according to claim 3, wherein a communication port communicating with the second passage is provided at an upper portion of the out port, and a communication port communicating with the discharge passage is provided at a lower portion of the out port.

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