JP2009203707A - Door lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof door lock device which is suitable for a washing machine, a dryer, a dishwasher, etc., operated when doors possessed by them are closed, and which makes water hardly cause electric leakage by running to built-in electrical components, even if the water runs inward from an outer case opening for inserting a door-side lock claw. <P>SOLUTION: An outer case 4 comprises: an H-shaped cross-section case body 7 which is provided with a bulkhead 5 for partitioning its inside into two upper and lower layers, and a sidewall 6 elongated to both upper and lower sides from its peripheral edge; an upper lid 8 which covers an opened top surface of the case body 7, and in which an opening 3 for inserting the door-side lock claw 2 is provided in such a manner as to be one-sided to a corner portion; and a bottom lid 9 for covering an opened undersurface of the case body 7. The inside has a structure of two upper and lower layers. The electrical components such as switches 28 and 35, and a solenoid 33 are installed on the lower layer 11 split from the upper layer 10 with the opening 3. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a door lock device suitable for a washing machine, a dryer, a dishwasher or the like that has a door and works when the door is closed.

A conventional door lock device detects a locked state of a lock mechanism that locks a door-side lock claw in a one-layer outer box provided with an opening for inserting the door-side lock claw when the door is closed. A switch, a solenoid that is driven based on the output of the switch, a lock holding mechanism that operates by the solenoid and holds the lock state of the lock mechanism, a switch that detects the lock hold state, and the like have been installed (Patent Document 1, 2).
Japanese Patent Laid-Open No. 10-286394 JP 2000-27505 A

  However, when water enters the inside from the opening of the outer box, there is a problem that it is highly possible that the water is transmitted to electrical components such as each switch and solenoid.

  An object of the present invention is to provide a waterproof door lock device in which even if water enters inside from an opening of an outer box, it is less likely to be transmitted to electrical components and leak.

  In order to achieve the above object, the door lock device of the present invention has an outer box provided with an opening on the upper surface for inserting a door side lock claw, and the door side lock claw is inserted into the outer box. A locking member to be engaged, a first switch that operates by inserting the door-side lock claw into an engagement position with the locking member, a solenoid that attracts the movable iron core based on an operation output of the first switch, A lock holding member that engages with the lock member by the movement of the movable iron core in the suction direction to prevent the door side lock claw from moving to a non-engagement position; the lock holding member and the lock member; A second switch that operates by the movement of the movable iron core to a suction position where the outer casing engages, the outer box is provided with a partition that divides the interior into two upper and lower layers, and the lock member and the lock holding member are provided on the upper layer. Install each of the above Tsu and Ji and characterized in that set up the solenoid.

  In the door lock device according to the present invention, the outer box covers the partition wall and a box body having a H-shaped cross section provided with side walls extending from the periphery to the upper and lower sides, an open top surface of the box body, and the opening. It is desirable to comprise an upper lid that is provided so as to be shifted to the corner portion and a bottom lid that covers the open lower surface of the box body.

  The outer box is formed between the upper and lower layers that project the operation portion of the first switch, which is pushed down by the insertion operation of the door-side lock claw to the engagement position with the lock member, to the bottom side of the upper layer facing the opening. It is desirable that a first communication hole is provided in the partition wall and a packing is provided to prevent water from entering the lower layer from the first communication hole.

  The outer box has a second communication hole between the upper and lower layers for projecting the operation portion of the lock holding member operating in conjunction with the operation of the movable iron core to the bottom side of the upper layer facing the lock holding member. Preferably, the opening position of the second communication hole is higher than the opening position of the first communication hole.

  The outer box partitions the corner portion of the upper layer to form a door-side lock claw insertion chamber below the opening, and one side of the door-side lock claw insertion chamber is the door-side lock at the top. A communication part inside and outside the door-side lock claw insertion chamber that communicates with the outside of the claw insertion chamber is provided, and an engagement part of the lock member with the door-side lock claw is projected from the communication part into the door-side lock claw insertion chamber. Is desirable.

  The outer box forms an overhang portion that projects the upper layer outside the door side lock claw insertion chamber partially outside the lower layer in the vicinity of the communication portion, and a drain hole is formed on the bottom side of the overhang portion. It is desirable to provide

  The outer box includes a lid that opens and closes the opening. The lid is always urged in a closing direction by a return spring to close the opening, and the door-side lock claw into the outer box is closed. It is desirable that the opening is opened by an insertion operation.

  According to the door lock device of the present invention, the inside of the outer box is divided into two upper and lower layers, and the electrical parts are installed in the lower layer partitioned from the upper layer having the opening, so that even if water enters the inside from the opening of the outer box. , It is possible to reduce the possibility of electrical leakage to electrical components.

  The outer box covers the partition wall and a box body having a side wall extending from the periphery to the upper and lower sides, an H-shaped box body, and an open upper surface of the box body, and the opening is provided at a corner. By adopting a structure consisting of a top cover and a bottom cover that covers the open bottom surface of the box body, the outer box can be made with fewer parts compared to a conventional one-layer structure with two integrated outer boxes. The inside can be divided into two layers, and an increase in the height of the apparatus due to the two layers can be suppressed. Further, the positional accuracy of the component parts between the upper and lower layers is good, and the operation transmission between the upper and lower layers is smooth, and good operation characteristics can be obtained.

  The outer box is formed between the upper and lower layers that project the operation portion of the first switch, which is pushed down by the insertion operation of the door-side lock claw to the engagement position with the lock member, to the bottom side of the upper layer facing the opening. Even if water enters the inside from the opening of the outer box by adopting a configuration including a first communication hole provided in the partition wall and a packing that prevents water from entering the lower layer side from the first communication hole, Can further reduce the possibility of leakage to the electrical components.

  The outer box has a second communication hole between the upper and lower layers for projecting the operation portion of the lock holding member operating in conjunction with the operation of the movable iron core to the bottom side of the upper layer facing the lock holding member. By providing a configuration in which the opening position of the second communication hole is above the opening position of the first communication hole, even if water enters from the opening of the outer box, The possibility of electric leakage is further reduced.

  The outer box partitions the corner portion of the upper layer to form a door-side lock claw insertion chamber below the opening, and one side of the door-side lock claw insertion chamber is the door-side lock at the top. A configuration in which a communication portion inside and outside the door-side lock claw insertion chamber that communicates with the outside of the claw insertion chamber is provided, and an engagement portion of the lock member with the door-side lock claw is projected from the communication portion into the door-side lock claw insertion chamber. By adopting, the communicating part is at the uppermost part of one side of the door side lock claw insertion chamber, and in the locked state, the engaging part of the lock member fits into the communicating part and exerts the plug function. Even if water enters the interior of the door lock nail insertion chamber on the upper layer from the opening of the outer box, it is possible to further reduce the possibility of leakage to the electrical components.

  The outer box forms an overhang portion that projects the upper layer outside the door side lock claw insertion chamber partially outside the lower layer in the vicinity of the communication portion, and a drain hole is formed on the bottom side of the overhang portion. By adopting a configuration in which the door side lock claw insertion chamber is flooded outside the door side lock claw insertion chamber through the communication part, the drain can be immediately drained from the drain hole near the communication part to the outside of the outer box. Even if water enters the inside from the opening of the outer box, the possibility that it is transmitted to the electrical component and leaks can be further reduced.

  The outer box includes a lid that opens and closes the opening. The lid is always urged in a closing direction by a return spring to close the opening, and the door-side lock claw into the outer box is closed. By adopting a configuration in which the opening is opened by the insertion operation, when the door is open, the lid can be prevented from entering water from the opening of the outer box.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an exploded view of the door lock device according to the first embodiment of the present invention, FIG. 2A is a plan view of the door lock device, and FIG. 2B is a side view of the door lock device. 3 is a plan view of the door locking device with the top lid removed, FIG. 4 is a bottom view of the door locking device with the bottom lid removed, FIG. 5 is a sectional view of the locking mechanism of the door locking device, and FIG. FIG. 7 is a cross-sectional view of the lock holding mechanism portion of the lock device, FIG. 7 is a cross-sectional view of the lock mechanism portion showing the lock state of the door lock device, and FIG. 8 is a cross-sectional view of the lock hold mechanism portion showing the lock state of the door lock device. FIG. 9 is a plan view of the door lock device in the unlocked state showing the unlocked state. In the following description, the arrow ab direction in FIG. 1 is the up-down direction of the door lock device, the arrow cd direction is the front-rear direction of the door lock device, and the arrow ef direction is the left-right direction of the door lock device.

  As shown in FIGS. 1 to 6, the door lock device of the present embodiment is provided with a relatively large rectangular opening 3 on the upper surface for inserting the door-side lock claw 2 having the engagement hole 1. A substantially rectangular parallelepiped outer box 4 made of a synthetic resin is provided.

  The outer box 4 is a box body 7 having an H-shaped cross section in which a rectangular partition wall 5 (a partition in the vertical direction in the outer box 4) and a rectangular cylindrical side wall 6 extending from the periphery to the upper and lower sides are integrally provided. And an upper cover 8 with an edge that covers the open upper surface of the box body 7 and the opening 3 is shifted to the corner on the left front side, and a bottom cover 9 with an edge that covers the open lower surface of the box body 7. The interior is divided into upper and lower two layers 10 and 11 by a partition wall 5.

  The upper lid 8 has an engaging claw 12 that protrudes downward from its edge and engages with an engaging portion 13 that protrudes from the upper outer surface of the side wall 6 from the lower side of the upper portion of the box body 7. And is fastened to the upper portion of the box body 7 with a screw 14 so as to be detachably attached to the box body 7.

  The bottom lid 9 has a lower portion of the box body 7 in a state where an engaging claw 15 provided protruding from the edge of the bottom lid 9 is engaged with an engaging portion 16 provided protruding from the lower outer surface of the side wall 6 from above. And is fastened to the lower portion of the box body 7 with screws 17 so as to be detachably attached to the box body 7.

  The outer box 4 is provided with an insertion guide 18 for the door-side lock claw 2 to the opening 3 and an operation port 19 for forcible unlocking on the upper surface, and an operation port 20 for unlocking on the rear side. The insertion guide 18 is a conical headed rectangular conical surface formed on the inner surface of a rectangular opening frame raised from the periphery of the opening 3 of the upper lid 8. 8 is a cylinder raised from the periphery of a circular small hole penetrating the inner and outer surfaces provided on the rear side of the opening 3, and an operation port 20 for unlocking is provided on the joint surface between the box body 7 and the upper lid 8. It consists of a split tube.

  Then, on the upper layer 10 in the outer box 4, a rotary lever 21 as a lock member, a torsion spring 22 as a return spring thereof, a release pin 23 as a lock release member, a seesaw type movable arm 24 as a lock holding member, A leaf spring 25 as a return spring, a forced release button 26 as a lock forced release member are installed, and a first switch 28 with a socket 27 as a connector for wiring connection is provided on the lower layer 11 in the outer box 4, and its operation member Self-holding type (power source) with a pressing lever 29 (first operation member), a compression coil spring 30 as its return spring, a leaf spring 31 as a pressing member of the first switch 28, and a socket 32 as a connector for wiring connection The solenoid 33), the second switch 35 with the socket 34 as a connector for wiring connection, the movable arm 2 And a slide lever 36 which is an operation member (second operation member) of the second switch 35 and a compression coil spring 37 which is a pressing member of the second switch 35 to constitute the door lock device. The internal structure of the outer box 4 will be described.

  On the upper layer 10 side of the box body 7, a boss portion 38 that is a mounting portion of the rotation lever 21, a support portion 39 of the rotation lever 21, a rotation amount regulating pin 40 of the rotation lever 21, and a corner portion of the upper layer 10 are partitioned. The door side lock claw insertion chamber 41 is formed below the opening 3 and one side of the door side lock claw insertion chamber 41 is communicated to the outside of the door side lock claw insertion chamber 41 at the top. Corner partitions 43, 44, 45 (planar partitions in the upper layer 10) in the upper layer 10 for providing the communication portions 42 inside and outside the nail insertion chamber 41, a stopper 46 in the return direction of the rotary lever 21, and the torsion spring 22 Spring seat 47, a U-shaped bearing groove 48 that is an attachment portion of the movable arm 24, a press-fit groove 49 that is an attachment portion of the leaf spring 25, and a fitting groove 50 that is an attachment portion of the forced release button 26. ing.

  The boss portion 38 protrudes from the partition wall 5 on the bottom side of the upper layer 10 to a substantially central portion in the upper layer 10, and the support portion 39 is a partition wall formed so that the upper surface is partially convex and the lower surface is concave. 5 protruding from the partition wall 5 to the front side in the upper layer 10. The rotation amount regulating pin 40 protrudes upward from a substantially central portion of the upper surface of the support portion 39.

  The corner partition is an L-shaped partition that surrounds the left front corner of the upper layer 10 below the opening 3, and one piece thereof (the left-right partition in the upper layer 10) is placed on the left side of the support 39. 43, one piece of an L-shaped first partition wall 44 rising from the partition wall 5 into the upper layer 10 so as to sandwich the left end portion of the support portion 39 from the front and rear, and an I-shaped second partition wall 45, and another piece ( A partition portion in the front-rear direction in the upper layer 10 is formed of the other piece of the L-shaped first partition wall 44 to form the door-side lock claw insertion chamber 41. In addition, the first partition wall 44 and the second partition wall 45 are set to have substantially the same height as the side wall 6 around the upper layer 10, while the support portion 39 is lower than the first partition wall 44 and the second partition wall 45. And the communication part 42 is provided.

  The stopper 46 extends from the top end of the first partition wall 44 and the top end of the second partition wall 45 to the upper surface side of the support portion 39, and protrudes out of the door side lock claw insertion chamber 41 from both sides of the communication portion 42. This is an extension of the first partition wall 44 and the second partition wall 45. The spring seat 47 is an extension of the first partition wall 44 that extends beyond the other piece of the first partition wall 44 and further extends inward of the upper layer 10.

  The bearing groove 48 is disposed on the upper left side of the upper layer 10 at the upper left side of the upper layer 10 and spaced apart from the partition wall 5 with a predetermined interval in the front-rear direction, and the press-fitting groove 49 is formed on the upper right side of the upper layer 10. The fitting groove 50 is formed on the inner surface of the side wall 6 on the left side of the upper layer 10 in the upper layer 10 between the door-side lock claw insertion chamber 41 and the bearing groove 48. is doing.

  Here, the partition wall 5 on the bottom side of the upper layer 10 facing the opening 3, that is, on the bottom side of the door-side lock claw insertion chamber 41, is located at the right end near the communication portion 42 and within the front-rear width of the communication portion 42. First communication holes 51 between upper and lower layers are provided at two locations, the front part and the rear part.

  The partition wall 5 on the bottom left side of the upper layer 10 is provided with a second communication hole 52 between the upper and lower layers. The second communication hole 52 is formed in a rectangular shape that is long in the left-right direction extending from the left end of the upper layer 10 to the front and rear bearing grooves 48 in plan view.

  The partition wall 5 on the bottom left side of the upper layer 10 that is the opening position of the second communication hole 52 is more than the partition wall 5 that is on the bottom side of the door side lock claw insertion chamber 41 that is the opening position of the first communication hole 51. Above.

  Further, the outer box 4 forms an overhanging portion 53 that projects the upper layer 10 outside the door-side lock claw insertion chamber 41 at the front center portion close to the communication portion 42 and partially extends forward from the lower layer 11. A drain hole 54 penetrating the inner and outer surfaces is provided at a position farthest from the lower layer 11 on the bottom side of the overhang portion 53, that is, at the lowermost portion of the side wall 6 on the front side of the overhang portion 53.

  The rotary lever 21 is provided with a fulcrum shaft 55 in the vertical direction (vertical direction) on one end side thereof, and the fulcrum shaft 55 is rotatably fitted in the boss portion 38 and the other end side of the rotary lever 21 is supported on the support lever. It is arranged on the upper side of 39, and one end side of the rotation lever 21 is slidably supported from below by the boss portion 38, and the other end side of the rotation lever 21 is slidably supported from below by the support portion 39 to rotate. The lever 21 is installed on the upper portion of the upper layer 10 so as to be rotatable around the fulcrum shaft 55 so that the other end side swings in the left-right direction.

  The rotation lever 21 is provided with an arc-shaped rotation amount restriction long hole 56 penetrating the inner and outer surfaces on the circumference around the fulcrum shaft 55, and the rotation amount restriction pin 40 is inserted into the rotation amount restriction long hole 56. The rotation lever 21 is rotated within the range of the rotation amount restriction long hole 56.

  The rotary lever 21 is provided with a spring seat 57 of the torsion spring 22 on one end side thereof. The torsion spring 22 has its coil portion loosely fitted to the outside of the fulcrum shaft 55 on the upper surface side of the rotary lever 21, one end of the torsion spring 22 is brought into contact with the spring seat 47 on the box body 7 side, and the torsion spring 22. The other end of the rotating lever 21 is brought into contact with the spring seat 57 of the rotating lever 21 to constantly urge the rotating lever 21 in the engaging direction (clockwise; clockwise), and the left end of the other end of the rotating lever 21 is stopped with the stopper 46. The rotating lever 21 is held at the initial position (engagement position with the door-side lock claw 2) shown in FIG.

  The rotation lever 21 is provided with an engagement portion 58 that can be inserted into the engagement hole 1 of the door-side lock claw 2, and the engagement portion 58 is connected to two stoppers 46 at the upper and lower positions on the left end portion on the other end side of the rotation lever 21. After the rotation lever 21 is in the initial position, it protrudes from the communication hole 41 to the top of the door-side lock claw insertion chamber 41 and is located on the bottom side of the door-side lock claw insertion chamber 41. This is opposed to the first communication hole 51 on the side. In the upper part of the engaging part 58, an inclined part 59 is provided for converting the pressing by the door-side lock claw 2 into a pressing in the horizontal direction (right direction).

  The rotary lever 21 is provided with a connecting shaft 60 in the vertical direction which is an attachment portion of the release pin 23 on one end side thereof. The release pin 23 is slidably inserted into the unlocking operation port 20, and a connection ring 61 provided at one end of the release pin 23 in the upper layer 10 is rotatably fitted and connected to the connection shaft 60 of the rotary lever 21. The upper lever 10 is installed at the upper part on the right rear side so as to be slidable in the front-rear direction in conjunction with the rotation of the rotary lever 21.

  An external lock release mechanism of the door lock device is connected to the other end of the release pin 23 protruding to the outside of the outer box 4 via a connection ring 62 provided at the other end, and the external lock release mechanism is opened when the door is opened. The release pin 23 is pulled backward via the rotary lever 21, and the rotary lever 21 is rotated in the non-engagement direction (counterclockwise; counterclockwise).

  The movable arm 24 is provided with fulcrum shafts 63 projecting on both ends from the central portion on the same axis, and both ends of the fulcrum shaft 63 are rotatably fitted in the front and rear bearing grooves 48 to move the movable arm 24. Is supported by a bearing groove 48 via a fulcrum shaft 63 in the horizontal direction (front-rear direction), and the movable arm 24 is installed on the upper portion on the left rear side in the upper layer 10 so that the seesaw can move freely around the fulcrum shaft 63. Yes. A second communication hole 52 is provided on the bottom side of the upper layer 10 facing the movable arm 24.

  The movable arm 24 is provided with a stopper pin 64 parallel to the fulcrum shaft 63 projecting at both ends from the left end portion, and a spring seat 65 projecting from the left end portion to the rear side of the movable arm 24. ing. The leaf spring 25 is bent into an L shape, and one piece thereof is press-fitted into the press-fitting groove 49 and is installed at the upper part on the right rear side in the upper layer 10. The other piece of the leaf spring 25 extends to the right side from the press-fit groove 49, and its tip is brought into contact with the spring seat 65 of the movable arm 24 from below, so that the right end of the movable arm 24 is constantly urged upward, The upper surface of the spring seat 65 is pressed against the upper lid 8 on the upper side of the upper layer 10, and both end portions of the stopper pin 64 are pressed against the partition walls 5 on both sides of the second communication hole 52 on the bottom side of the upper layer 10. Is held at the initial position shown in FIG.

  A cushion sheet 66 is affixed to the upper surface of the spring seat 65 that contacts and separates from the upper lid 8 to prevent the generation of abnormal noise.

  At the right end portion of the movable arm 24, an engaging portion 67 protruding from the front side of the movable arm 24 is provided, and the engaging portion 67 is disengaged above the rotary lever 21 by the seesaw motion of the movable arm 24. Up and down between the position (initial position; ascending position) and the engaging position (operating position; descending position) with the rotating lever 21 that prevents the rotating operation of the rotating lever 21 counterclockwise (counterclockwise) from the initial position. To move to.

  The forcible release button 26 is provided with a sliding portion 68 having a T-shaped cross section extending in the vertical direction, and the sliding portion 68 is slidably fitted into the fitting groove 50 so that the door side lock claw insertion chamber in the upper layer 10 is inserted. It is installed between 41 and the movable arm 24.

  The forcible release button 26 is provided with a pressing portion 69 for pushing down the left end portion of the movable arm 24, and the pressing portion 69 is continuously provided at the tip of the sliding portion 68 protruding from the fitting groove 50 into the upper layer 10. The tip of the portion 69 extends above the front end of the stopper pin 64 that protrudes forward from the left end of the movable arm 24. The forcible release button 26 is erected in a pin shape on the upper surface of the tip of the pressing portion 69 and is arranged on the same axis as the operation port 19 for forcibly releasing lock, and the upper part of the forcible release button 26 is used for forcibly releasing lock. The operation port 19 is fitted in a vertically slidable manner. The upper part of the forcible release button 26 is located at the innermost part (lowermost part) of the operation port 19 for forcibly releasing the lock when the movable arm 24 is in the initial position.

  On the other hand, on the lower layer 11 side of the box body 7, in order to position the first switch 28 with the socket 27, the solenoid 33 with the socket 32, and the second switch 35 with the socket 34, respectively, the bottom view of FIG. In FIG. 2, a plurality of ribs (partitions in the planar direction in the lower layer 11) are raised from the partition wall 5 on the bottom side of the lower layer 11, and a press-fitting groove 70 as an attachment portion of the leaf spring 31 is provided.

  The first switch 28 is provided with two in order to increase the insertion detection accuracy of the door-side lock claw 2, and accordingly, the pressing lever 29, the compression coil spring 30, and the plate spring 31 are also provided. The socket 27 of the first switch 28 is one for two.

  The second switch 35 is positioned at a substantially central portion in the lower layer 11 via a rib and is pressed from the lower side by the bottom lid 9. The two first switches 28 are positioned on the front part in the lower layer 11 through ribs, are pressed from the lower side by the bottom lid 9, and are arranged side by side on the front side of the second switch 35. The solenoid 33 is positioned at the rear portion in the lower layer 11 via a rib, and is pressed from the lower side by the bottom lid 9 and arranged side by side on the rear side of the second switch 35.

  The socket 27 of the first switch 28, the socket 32 of the solenoid 33, and the socket 34 of the second switch 35 are all on the side opposite to the door-side lock claw insertion chamber 41 of the upper layer 10, the solenoid 33, It is attached to one side of the second switch 35 (left side in the bottom view in FIG. 4), and is positioned on one side in the lower layer 11 through a rib, and is pressed from the lower side by the bottom lid 9 to be installed. , 32, and 34, three different plug insertion openings are provided in the lower part of the right side surface of the outer box 4 as shown in FIG.

  The pressing lever 29 is provided with a cylindrical spring receiver 71 that opens downward on one side, and the spring receiver 71 has ribs at two positions on the lower layer 11 side of the box body 7 facing the front and rear first communication holes 51. It is slidably fitted in the up and down direction, and is installed in the lower layer 11 on one side upper part of the first switch 28 opposite to the socket 27 so as to be movable up and down.

  The compression coil spring 30 is incorporated between the spring receiver 71 of the pressing lever 29 and the bottom lid 9 on the bottom side thereof, constantly biasing the pressing lever 29 upward, and the upper surface of the spring receiver 71 of the pressing lever 29 communicates with the first communication. The pressing lever 29 is held at the initial position shown in FIG. 5 by being pressed against the partition wall 5 around the hole 51.

  The pressing lever 29 protrudes upward from the upper surface of the spring receiver 71 and is provided with an operating portion 72 that is slidably inserted into the first communication hole 51. When the pressing lever 29 is in the initial position, the pressing lever 29 is in the first position. The first lever 51 is protruded from the first communication hole 51 to the bottom side of the door-side lock claw insertion chamber 41 of the upper layer 10, and the pressing lever 29 is pushed down by the insertion operation (pressing operation) of the door-side locking claw 2.

  The front operation portion 72 that protrudes from the first communication hole 51 on the front side to the bottom side of the door-side lock claw insertion chamber 41 of the upper layer 10 is engaged with the rotary lever 21 that protrudes to the top of the door-side lock claw insertion chamber 41. Opposite the part 58.

  Here, as shown in FIG. 5, the lower layer 11 side of the lower layer 11 in the outer box 4 from each first communication hole 51 that causes the operation unit 72 to protrude to the bottom side of the door-side lock claw insertion chamber 41 of the upper layer 10. Two waterproofing packings 73 for preventing water from entering are provided. The packing 73 is made of, for example, an annular rubber packing that attaches one surface to the partition wall 5 around the first communication hole 51 and allows the operation unit 72 to be inserted. The water is stopped.

  The leaf spring 31 is bent into an L shape, and one piece thereof is press-fitted into a press-fitting groove 70 provided in the partition wall 5 on the one side upper part of the socket 27 side of the first switch 28, and the other piece is put into the first switch 28. It is installed in the upper part in the lower layer 11 in the state extended to the side. The other piece of the leaf spring 31 passes through the upper side of the first switch 28, and the tip part is brought into contact with the tip part of the pressing lever 29 from the lower side, so that the pressing lever 29 is bent downwardly in conjunction with the pressing operation. The push button at the top of the first switch 28 is pushed down.

  The solenoid 33 is provided with a horizontal (left-right) movable iron core 74 protruding from one side opposite to the socket 32, and an annular engagement groove 75 is provided on the outer surface of the distal end portion of the movable iron core 74.

  The slide lever 36 is provided with a spring seat 77 having an inverted U-shaped groove 76 on one side thereof, and the spring seat 77 is fitted into the engagement groove 75 of the movable iron core 74 via the groove 76. The movable iron core 74 is slidably installed in the left-right direction from one side opposite to the socket 32 of the solenoid 33 to one side opposite to the socket 34 of the second switch 35.

  The solenoid 33 is provided with a compression coil spring 78 which is a return spring incorporated between a spring seat 77 of the slide lever 36 and a yoke on one end side of the solenoid 33 facing the slide 33. Is constantly urged in the direction opposite to the suction direction of the movable iron core 74, and the tip of the movable iron core 72 and the slide lever 36 are pressed against the side wall 6 opposite to the side wall 6 of the lower layer 11 provided with the plug insertion port. The slide lever 36 is held at the initial position shown in FIGS.

  Cushion rubber 79 is affixed to the side wall 6 portion of the lower layer 11 where the tip of the movable iron core 74 contacts and separates to prevent the generation of abnormal noise.

  The slide lever 36 is provided with a pressing portion 80 that is an operation portion of the movable arm 24, the pressing portion 80 protrudes upward from one upper side of the slide lever 36, and the left end of the movable arm 24 of the upper layer 10 through the second communication hole 52. It protrudes outward from the portion and is in contact with the stopper pin 64 from the side. The contact portion of the pressing portion 80 with the stopper pin 64 is provided with an inclined portion 81 for converting the pressing of the pressing portion 78 in the same direction as the operation of the movable iron core 72 in the suction direction into the suction direction. The left end portion of the movable arm 24 at the initial position is pushed up by the operation of the movable iron core 72 so that the movable arm 24 is caused to perform a seesaw movement around the fulcrum shaft 63.

  The slide lever 36 is provided with a spring seat 82 on the other side, the second switch 35 is provided with a switch cap 83 that fits on a push button protruding on one side opposite to the socket 34, and the compression coil spring 37 is Incorporated between the spring seat 82 of the slide lever 36 and the switch cap 83 of the second switch 35 that are opposed in the left-right direction, installed in the lower layer 11, and compressed in conjunction with the operation of the movable iron core 72 in the suction direction, The push button portion of the second switch 35 is pushed in.

  The door lock device of the present embodiment configured as described above has, for example, a door stop portion on the apparatus main body side such as a washing machine, a dryer, a dishwasher, etc. that has a door and works when it is closed. The opening 3 of the outer box 4 is opened to the outside through an opening provided in the door stop. Next, the operation of the door lock device of the present embodiment will be described.

  When the door is closed in the initial state shown in FIGS. 3 to 6 (the door is open), the door-side lock claw 2 is brought into sliding contact with the insertion guide 18 to open the opening 3 of the outer box 4. And is inserted into the door side lock claw insertion chamber 41 of the upper layer 10 in the outer box 4 from the opening 3.

  At that time, the door-side lock claw 2 is rotated at its tip by pressing the inclined portion 59 of the rotary lever 21 at the initial position, and the inclined portion 59 converts the pressing direction of the door-side lock claw 2 to the right. The engaging portion 58 of the lever 21 is pressed rightward, and the rotating lever 21 rotates to the non-engaging position shown in FIG. As a result, the engaging portion 58 of the rotating lever 21 is pulled out of the door side lock claw insertion chamber 41 from the communicating portion 42, and the tip of the door side locking claw 2 gets over the engaging portion 58 of the rotating lever 21 and further on the door side. The lock claw insertion chamber 41 is inserted into the bottom side (back side).

  When the front end of the door-side lock claw 2 passes over the engaging portion 58 of the rotating lever 21 and is further inserted into the bottom side of the door-side lock claw insertion chamber 41, the door-side lock claw 2 is connected to the communication portion on its side surface. The operation portion of the pressing lever 29 in the initial position is closed at the tip of the door-side lock claw 2 with the rotation lever 21 being closed and the return of the rotation lever 21 to the initial position is restricted and the rotation lever 21 is held in the non-engagement position. 72, the pressing lever 29 is pressed down against the urging force of the compression coil spring 30, and the pressing lever 29 is used to press down the tip (free end) of the other piece of the plate spring 31. The other piece is bent downward and deformed, and the other piece of the leaf spring 31 is brought into contact with the push button portion of the first switch 28.

  As shown in FIG. 7, when the end of the door-side lock claw 2 is inserted so as to abut against the partition wall 5 on the bottom side of the door-side lock claw insertion chamber 41, the engagement hole of the door-side lock claw 2 is inserted. 1 faces the communication portion 42 and opens the communication portion 42, so that the return regulation of the rotary lever 21 is eliminated, and the rotary lever 21 is rotated in the engagement direction by the urging force of the torsion spring 22 to return to the original initial position. Return. As a result, the engaging portion 58 of the rotating lever 21 protrudes into the door-side lock claw insertion chamber 41 in a state where the engaging portion 58 is fitted into the engagement hole 1 of the door-side lock claw 2 from the communication portion 42. Engage automatically. That is, the door is locked with the door closed.

  Further, when the door is locked in the closed state as described above, the pressing lever 29 is pushed down most at the tip of the door-side locking claw 2, and the other piece of the leaf spring 31 is bent downward and deformed by the pressing lever 29. Then, the push button portion of the first switch 28 is pushed down by the other piece of the leaf spring 31 and the first switch 28 is turned on. When the first switch 28 is turned on, the lock state is established (the door side locking claw 2 is completely closed). ) Is detected.

  Further, based on the ON operation output signal (lock state detection signal) of the first switch 28, the solenoid 33 is driven by applying a pulse to the primary coil of the solenoid 33.

  When the solenoid 33 is driven, the movable iron core 74 in the initial position slides in the suction direction against the urging force of the compression coil spring 78, and the slide lever 36 in the initial position integrally with the compression coil spring 37. , And the spring force is increased while sliding against the urging force of the compression coil spring 78, and the movable iron core 74 and the slide lever 36 are held at the suction position shown in FIG.

  At that time, the pressing portion 80 of the slide lever 36 presses the stopper pin 64 of the movable arm 24 at the initial position to the right side through the inclined portion 81, and the inclined portion 81 moves the pressing direction of the pressing portion 80 upward. Therefore, the left end portion of the movable arm 24 is pushed up, the seepage motion of the movable arm 24 resists the urging force of the leaf spring 25, and the engaging portion 67 at the right end portion of the movable arm 24 is viewed from the initial position. The lowering operation is performed to the engagement position shown in FIG. As a result, the engaging portion 67 of the movable arm 24 engages with the rotating lever 21 and prevents the rotating lever 21 from rotating in the direction of the non-engaging position. That is, the locked state of the door is maintained.

  Further, when the door is locked as described above, the slide lever 36 compresses the compression coil spring 37 most, and the spring force is based on the return force that is always urged by the push button portion of the second switch 35. The push button portion of the second switch 35 is pushed in, the second switch 35 is turned on, and the lock holding state (the door is completely locked) is detected by the on operation of the second switch 35.

  Based on the ON operation output signal (door complete lock signal) of the second switch 35, the washing machine, the dryer, the dishwasher and the like are operated.

  The forcible release button 26 is pushed up in conjunction with the push-up of the left end portion of the movable arm 24 and pushed into the lock forcibly releasing operation port 19.

  On the other hand, in the locked state shown in FIG. 7 and FIG. 8 (the door is closed), for example, when the operation of the door opening operation unit provided in the main body or door of a washing machine, dryer, dishwasher, etc. is detected with a switch, Based on the operation output of the switch (door opening signal), the solenoid 33 is driven to return by applying a pulse to the secondary coil (return coil) of the solenoid 33.

  When the solenoid 33 is driven to return, the movable iron core 74 and the slide lever 36 return to the initial positions shown in FIGS. 4 and 6 by the urging force of the compression coil spring 78, and the compression coil spring 37 extends by the return operation of the slide lever 36. Then, the spring force becomes weaker than the return force of the push button portion of the second switch 35, and the second switch 35 returns to the initial state (off state) shown in FIG. The left end portion of the movable arm 24 is no longer pressed, the right end portion of the movable arm 24 is pushed up by the urging force of the leaf spring 25, the movable arm 24 performs a seesaw motion, and the engaging portion 67 of the movable arm 24 is viewed from the engaged position. The initial position shown in FIG. Thereby, the rotation lever 21 can be rotated in the non-engagement position direction. That is, the locked state of the door is released.

  The forcible release button 26 descends in conjunction with the lowering of the left end of the movable arm 24 (pushing up the right end), and the upper part of the forcible release button 26 descends to the innermost part of the operation port 19 for forcibly releasing the lock. is doing.

  Further, when the door lock operation is released by connecting the door opening operation portion and the release pin 23 by the external lock release mechanism of the door lock device, the release pin 23 is pulled backward.

  When the release pin 23 is pulled rearward, the rotation lever 21 in the engagement position rotates to the non-engagement position shown in FIG. 9 against the urging force of the torsion spring 22, and the rotation lever 21 is engaged. The part 58 is removed from the engagement hole 1 of the door side lock claw 2 and is extracted from the communication part 42 to the outside of the door side lock claw insertion chamber 41, and the engagement part 58 of the rotary lever 21 and the door side lock claw 2 are engaged. Is released. That is, the lock with the door closed is released. Thereby, the door side lock claw 2 can be removed to the outside of the outer box 4, and the door can be opened.

  When the door is opened and the door-side lock claw 2 is pulled out of the outer box 4, there is no restriction on the return of the rotation 21 to the initial position by the door-side lock claw 2. It rotates in the engagement direction by the urging force 22 and returns to the initial position shown in FIGS. Further, since the operation portion 72 of the pressing lever 29 by the door side lock claw 2 is not pressed, the pressing lever 29 is returned to the initial position by the biasing force of the compression coil spring 30 as shown in FIG. The spring 31 returns to the initial position by its own elasticity, and the first switch 28 returns to the initial state (off state).

  When a failure occurs in which the movable iron core 74 of the solenoid 33 cannot be returned from the suction position, the stopper pin 64 at the left end of the movable arm 24 is depressed by depressing the forcible release button 26 from the operation port 19 for forcibly releasing the lock. And the stopper pin 64 presses the pressing portion 80 of the slide lever 36 to the left side through the inclined portion 81, so that the movable iron core 74 can be returned to the initial position integrally with the slide lever 36. In other words, the locked state of the door can be forcibly released, the door can be unlocked and the door can be opened.

  As described above, the door lock device according to the present embodiment includes the outer box 4 provided with the opening 3 for inserting the door-side lock claw 2 on the upper surface, and the operation of inserting the door-side lock claw 2 into the outer box 4. Based on the rotation lever 21 that is the locking member to be engaged, the first switch 28 that is operated by the insertion operation of the door-side lock claw 2 to the engagement position with the rotation lever 21, and the operation output of the first switch 28. The solenoid 33 that sucks the movable iron core 74 and the lock holding member that engages with the rotary lever 21 by the movement of the movable iron core 74 in the suction direction and prevents the door side lock claw 2 from moving to the disengaged position. And a second switch 35 operated by the operation of the movable iron core 74 to the suction position where the movable arm 24 and the rotary lever 21 engage with each other. Partition wall that divides into upper and lower two layers 10, 11 The rotary lever 21 and the movable arm 24 are installed in the upper layer 10, and the switches 28 and 35 and the solenoid 33 are installed in the lower layer 11. That is, the inside of the outer box 4 is divided into two upper and lower layers 10 and 11, and an opening portion. Since the electrical components 28, 35, and 33 are installed in the lower layer 11 that is partitioned from the upper layer 10 having 3, even if water enters the interior from the opening 3 of the outer box 4, it is transferred to the electrical components 28, 35, and 33. The possibility of electric leakage is reduced.

  In addition, the outer box 4 covers the partition body 5 and the box body 7 having a H-shaped cross section provided with side walls 6 extending from the periphery to the upper and lower sides, the open upper surface of the box body 7, and the opening 3 at the corner portion. By adopting a structure consisting of a top cover 8 that is arranged close to the bottom cover 9 and a bottom cover 9 that covers the open lower surface of the box body 7, compared to a structure in which two conventional single-layer outer boxes are integrated, The inside of the outer box 4 can be divided into two upper and lower layers with a smaller number of parts, and an increase in apparatus height due to the two upper and lower layers can be suppressed. Further, the positional accuracy of the component parts between the upper and lower layers is good, and the operation transmission between the upper and lower layers is smooth, and good operation characteristics can be obtained.

  Further, the outer box 4 projects the operation portion 72 of the first switch 28 pushed down by the insertion operation of the door-side lock claw 2 to the engagement position with the rotation lever 21 to the bottom side of the upper layer 10 facing the opening 3. By adopting a configuration in which the first communication hole 51 between the upper and lower layers is provided in the partition wall 5 and includes a packing 73 that prevents water from entering the lower layer 11 from the first communication hole 51, the opening 3 of the outer box 4 is connected to the inside. Even if water enters, it is possible to further reduce the possibility that it will be transmitted to the electrical components 28, 35, 33 and leak.

  Further, the outer box 4 has a second communication hole 52 between the upper and lower layers that protrudes the operation unit 80 of the movable arm 24 that operates in conjunction with the operation of the movable iron core 74 to the bottom side of the upper layer 10 facing the movable arm 24. 5 and adopting a configuration in which the opening position of the second communication hole 52 is higher than the opening position of the first communication hole 51, even if water enters the inside from the opening 3 of the outer box 4, The possibility that it is transmitted to the electrical components 28, 35, 33 and leaks can be further reduced.

  The outer box 4 partitions the corner portion of the upper layer 10 to form a door-side lock claw insertion chamber 41 below the opening 3, and has one side of the door-side lock claw insertion chamber 41 at its uppermost portion. A communication portion 42 inside and outside the door-side lock claw insertion chamber 41 is provided to communicate with the outside of the door-side lock claw insertion chamber 41, and the rotation lever 21 with the door-side lock claw 2 is connected to the door-side lock claw insertion chamber 41 from the communication portion 42. By adopting a configuration in which the engaging portion 58 protrudes, the communicating portion 42 is at the uppermost portion on one side of the door-side lock claw insertion chamber 41, and the engaging portion 58 of the rotary lever 21 is connected to the communicating portion in the locked state. Since the fitting function is exerted, the water is stopped at the door side lock claw insertion chamber 41 of the upper layer 10, and even if water enters the inside through the opening 3 of the outer box 4, it is still the electrical component 28, 35, 33. It is possible to further reduce the possibility of leaking electricity.

  Further, the outer box 4 forms a protruding portion 53 that protrudes the upper layer 10 outside the door-side lock claw insertion chamber 41 partially outside the lower layer 11 in the vicinity of the communicating portion 42. By adopting a configuration in which the drain hole 54 is provided on the bottom side, even if the door 10 is inserted from the door-side lock claw insertion chamber 41 of the upper layer 10 to the outside of the door-side lock claw insertion chamber 41 through the communication portion 42, The drain hole 54 can immediately drain to the outside of the outer box 4, and even if water enters the inside from the opening 3 of the outer box 4, it can further reduce the possibility of leakage to the electrical components 28, 35, 33. .

  Further, a pressing lever 29 that is an operating member of the first switch 28 provided with an operating portion 72 that protrudes from the first communication hole 51 to the bottom side of the upper layer 10 facing the opening 3 is provided. By adopting a configuration in which the distal end extends outside the partition wall 5 on the bottom side of the door side lock claw insertion chamber 41, the first switch 28 is located at a position avoiding the lower side of the door side lock claw insertion chamber 41. It can be installed in the lower layer 11, and even if water enters the inside from the opening 3 of the outer box 4, it is possible to further reduce the possibility of the leakage to the first switch 28.

  Further, the first switch 28 includes a plurality (two) of the first switch 28 and a plurality of operation units 72 for each of the first switches 28 to be pushed down by the operation of inserting the door-side lock claw 2 into the engagement position with the rotation lever 21. A plurality of first communication holes 51 between upper and lower layers are provided in the partition wall 5 so as to project at different locations on the bottom side of the upper layer 10 facing the opening 3, and the operation outputs of all the first switches 28, that is, all the first switches By adopting a configuration in which the solenoid 33 sucks the movable iron core 74 with an AND output of 28, the door side lock claw 2 enters the outer box 4 in such a posture as to have a height difference at the tip of the door side lock claw 2. The malfunction of the door lock device such as the solenoid 33 sucking the movable iron core 74 when the rotating lever 21 is not engaged with the door-side lock claw 2 when inserted, and the failure of the door lock device due to this is reliably prevented. Can

  Next, a door lock device according to a second embodiment of the present invention will be described with reference to FIGS.

  FIG. 10 is a plan view of an upper cover removal state of the door lock device according to the second embodiment of the present invention, FIG. 11 is a sectional view of a lock mechanism portion of the door lock device, and FIG. 12 is a lock state of the door lock device. It is sectional drawing of the locking mechanism part which shows. In addition, the same code | symbol is attached | subjected to the same part as the door lock apparatus of 1st Embodiment, and the overlapping description is abbreviate | omitted.

  As shown in FIGS. 10 to 12, the door lock device according to the present embodiment includes a cover 84 that opens and closes the opening 3 in the outer box 4.

  The lid 84 is made of synthetic resin and formed in a rectangular shape, and is installed at the uppermost portion of the door-side lock claw insertion chamber 41 in the upper layer 10 in the outer box 4. The lid 84 is provided on the opposite side of the communication portion 42. A fulcrum shaft 85 having a longitudinal axis is provided on the left side, both ends of the fulcrum shaft 85 project from the front and rear ends of the lid 84, and both ends of the fulcrum shaft 85 are located on the front side of the door-side lock claw insertion chamber 41. The rear side wall 6 and the upper end of the first partition wall 44 are rotatably supported by U-shaped bearing grooves 86 provided on the same axis, and the upper open portions of the respective bearing grooves 86 are upper lids. 8 and is closed (openable and closable) around the fulcrum shaft 85 in the front-rear direction at the uppermost part of the door-side lock claw insertion chamber 41.

  A double torsion spring 87 which is a return spring of the lid 84 is provided. The double torsion spring 87 is loosely fitted to the outside of both ends of the fulcrum shaft 85 with the coil portions at both ends thereof, and the U-shaped presser portion between the coil portions is provided on the lower surface (inner surface) of the lid 84. At the same time, both end portions of the double torsion spring 87 on the outer side of each coil portion are brought into contact with the side wall 6 on the left side of the door side lock claw insertion chamber 41 so that the lid 84 is moved upward (closed direction). Always energized, pressing the upper surface (outer surface) of the lid 84 against the upper lid 8, the lid 84 is in the initial position shown in FIGS. 10 and 11, that is, in the substantially horizontal position at the top of the door side lock claw insertion chamber 41. The opening 3 is held in the closed position.

  A rectangular fitting portion 88 that fits into the opening 3 is provided on the upper surface of the lid 84, and the distal end of the engaging portion 58 of the rotation lever 21 is brought into contact with the lower surface of the lid 84, so that the rotation lever 21. Is provided at a non-engagement position shown in FIG.

  In the door lock device of the present embodiment configured as described above, in the initial state shown in FIGS. 10 and 11 (the door is open), the lid 84 is held in the closed position (initial position), The opening 3 of the outer box 4 is closed, and the tip of the engaging portion 58 of the rotating lever 21 abuts (interferes) with the abutting portion 88 of the lid 84 at the closed position, so that the rotating lever 21 is It is held in the disengaged position.

  When the door is closed, the door-side lock claw 2 presses the lid 84 in the closed position at its tip, and the lid 84 is centered on the fulcrum shaft 85 against the urging force of the double torsion spring 87. While being rotated downward (inside), that is, while opening the lid 84 (opening 3), the door is inserted into the door-side lock claw insertion chamber 41 of the upper layer 10 in the outer box 4 from the opening 3.

  At that time, the distal end of the engaging portion 58 of the rotation lever 21 is the lid body until the right end portion (rotation side end portion) of the lid body 84 is lowered below the communication portion 42 following the insertion operation of the door side lock claw 2. 84, abuts on the abutting portion 88 of the lid 84 and the right end surface of the lid 84, and the lid 84 holds the rotation lever 21 in the non-engagement position (restricts rotation to the engagement position). When the right end portion is lowered below the communication portion 42, the tip of the engaging portion 58 of the rotation lever 21 is transferred to and contacted with the side surface of the door-side lock claw 2 facing the communication portion 42. Is held in the non-engagement position (rotation to the engagement position is restricted).

  Further, as shown in FIG. 12, the door side lock claw 2 is locked when it is inserted so that the front end of the door side lock claw 2 abuts against the partition wall 5 on the bottom side of the door side lock claw insertion chamber 41, that is, with the door closed. The lid 84 rotates to the fully open position between the door side lock claw 2 and the right side wall 6 of the door side lock claw insertion chamber 41, and the upper surface of the right end of the lid 84 is the side surface of the door side lock claw 2. Is held in the fully open position, and the opening 3 is fully opened.

  When the door is unlocked, the door is opened, and the door side lock claw 2 is pulled out of the outer box 4, the lid 84 has its right end face at the door side lock claw 2 In the state where it is in contact with the front end of the door, the door side locking claw 2 is rotated in the closing direction by the urging force of the double torsion spring 87 following the removal operation of the door side locking claw 2, so Accordingly, the closed position shown in FIGS. 10 and 11 is restored. Further, the rotating lever 21 is held at the disengaged position as it is, with the tip of the engaging portion 58 being pressed against the abutting portion 88 of the lid 84 in the closed position by the urging force of the torsion spring 22.

  The structure, operation, etc. of the door lock device of the present embodiment other than those described above are the same as those of the door lock device of the first embodiment. Therefore, the door lock device of the present embodiment is the same as that of the first embodiment. This has the same effect as the door lock device.

  Furthermore, in the door lock device of the present embodiment, in particular, the outer box 4 includes a lid 84 that opens and closes the opening 3, and the lid 84 is always in the closing direction by a double torsion spring 87 that is a return spring. By adopting a configuration in which the opening 3 is closed by being urged and opened by the operation of inserting the door side lock claw 2 into the outer box 4 to open the opening 3, the lid 84 is opened when the door is open. However, it can suppress that water enters into the inside from the opening part 3 of the outer box 4.

It is an exploded view of the door lock device concerning a 1st embodiment of the present invention. (A) is a top view of the door locking device, and (B) is a side view of the door locking device. It is a top view of the upper cover removal state of the door lock device. It is a bottom view of the bottom cover removal state of the door lock device. It is sectional drawing of the locking mechanism part of the door lock apparatus. It is sectional drawing of the lock holding | maintenance mechanism part of the door lock apparatus. It is sectional drawing of the lock mechanism part which shows the locked state of the door lock apparatus. It is sectional drawing of the lock holding | maintenance mechanism part which shows the locked state of the door lock apparatus. It is a top view of the upper cover removal state which shows the lock release state of the door lock apparatus. It is a top view of the upper cover removal state of the door locking device concerning a 2nd embodiment of the present invention. It is sectional drawing of the locking mechanism part of the door lock apparatus. It is sectional drawing of the lock mechanism part which shows the locked state of the door lock apparatus.

Explanation of symbols

2 Door side lock claw 4 Outer box 5 Bulkhead 6 Side wall 7 Box body 8 Upper lid 9 Bottom lid 10 Upper layer 11 Lower layer 21 Rotating lever (locking member)
24 Movable arm (lock holding member)
28 1st switch 33 Solenoid 35 2nd switch 41 Door side lock claw insertion chamber 42 Communication part 51 1st communication hole 52 2nd communication hole 53 Overhang | projection part 54 Drain hole 72 Operation part 74 Movable core 80 Press part (operation part)
84 Lid 87 Double torsion spring (Return spring)

Claims (7)

  An outer box provided with an opening on the top for inserting the door side lock claw, a lock member engaged with the door side lock claw inserted into the outer box, and an engagement position of the lock member A first switch that operates when the door-side lock claw is inserted, a solenoid that attracts the movable iron core based on the operation output of the first switch, and the lock member that engages with the movable iron core in the suction direction. The lock holding member that prevents the door-side lock claw from moving to the non-engagement position, and the movable iron core moves to the suction position where the lock hold member and the lock member engage with each other. The outer box is provided with a partition wall that divides the inside into two upper and lower layers, the lock member and the lock holding member are installed in the upper layer, and the switches and the solenoid are installed in the lower layer. Features Door locking device.   The outer box covers the box body having an H-shaped cross section with the partition wall and side walls extending from the periphery to the upper and lower sides, the open upper surface of the box body, and the opening portion is shifted to the corner portion. The door lock device according to claim 1, comprising an upper lid provided and a bottom lid covering an open lower surface of the box body.   The outer box is formed between the upper and lower layers that project the operation portion of the first switch, which is pushed down by the insertion operation of the door-side lock claw to the engagement position with the lock member, to the bottom side of the upper layer facing the opening. The door lock device according to claim 2 provided with packing which provides the 1st communicating hole in said partition, and prevents flooding to said lower layer side from said 1st communicating hole.   The outer box has a second communication hole between the upper and lower layers for projecting the operation portion of the lock holding member operating in conjunction with the operation of the movable iron core to the bottom side of the upper layer facing the lock holding member. The door lock device according to claim 3, wherein the opening position of the second communication hole is higher than the opening position of the first communication hole.   The outer box partitions the corner portion of the upper layer to form a door-side lock claw insertion chamber below the opening, and one side of the door-side lock claw insertion chamber is the door-side lock at the top. A communication portion is provided inside and outside the door-side lock claw insertion chamber that communicates with the outside of the claw insertion chamber, and the engagement portion of the lock member with the door-side lock claw projects from the communication portion into the door-side lock claw insertion chamber. Item 5. A door lock device according to item 4.   The outer box forms a projecting portion that projects the upper layer outside the door-side lock claw insertion chamber partially outside the lower layer in the vicinity of the communicating portion, and a drain hole is formed on the bottom side of the projecting portion. The door lock device according to claim 5 provided.   The outer box includes a lid that opens and closes the opening. The lid is always urged in a closing direction by a return spring to close the opening, and the door-side lock claw into the outer box is closed. The door lock device according to any one of claims 1 to 6, wherein the door is opened by an insertion operation to open the opening.

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