JP2017042684A - Washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washer capable of mechanically locking a handle and also a door on a washer body by turning the handle to a door closing fastening position.SOLUTION: The handle 3 of a door 2 switches a door opening possible position and a door closing fastening position. Out of a washing tank body 4, the side of receiving the door tip end is provided with a lock hole retention material 15 having a lock hole 15c, and a lock pin 16 is fitted into the lock hole retention material 15 to be capable of advancing and retreating. An energization member 17 energizes the lock pin 16 in a direction of rushing into the lock hole 15c. Lock pin withdrawal means 18 makes the lock pin 16 retreat from the lock hole 15c against the energization force of the energization member 17. The rush of the lock pin 16 into the lock hole 15c is prevented by a lock prevention plate 26. The lock prevention plate 26 is moved by turning the handle 3 to door closing fastening position with the door 2 closed, thereby allowing the lock pin 16 to rush into the lock hole 15c.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a cleaning device that cleans an object to be cleaned using a liquid.

  Conventionally, as disclosed in Patent Document 1 below, a spray arm (8) is rotatably provided in a chamber (3), and a liquid is ejected from a nozzle of the spray arm (8) onto an object to be cleaned. A cleaning device for cleaning or disinfecting an object to be cleaned is known. In this apparatus, the liquid ejected from the spray arm (8) is collected in a collection space (10) below the chamber (3), and is sprayed by the circulation pump (12) via the circulation pipe (16) ( It is circulated and supplied to 8).

  In this type of washer, because the liquid is handled in the washing tank, during operation, the door is kept in the closed tightening position (that is, the door is closed and locked to the washing tank main body). There is a need to. Therefore, in the case of a washer that tightens the door by operating the handle (fixed in the closed state), for example, a limit switch is used to detect that the handle is in the door closing tightening position, and the operation is started on the condition. It is possible to lock the steering wheel operation while driving.

  However, in the unlikely event that the limit switch breaks down and the handle remains in the door closing tightening position, operation can be started even when the door is not in the closing tightening position, and water leaks from the door opening. Will lead to

Japanese Patent No. 48868847

  The problem to be solved by the present invention is to place the handle in the door closing tightening position, thereby mechanically locking the handle and thus the door to the cleaning tank body, and ensuring that the handle is in the door closing tightening position. It is to provide a washer that can be operated.

  The present invention has been made to solve the above-mentioned problems, and the invention according to claim 1 is directed to a cleaning tank main body that contains an object to be cleaned and is cleaned using a liquid, and an opening of the cleaning tank main body. A door with a door base end pivotably held at one end of the opening of the cleaning tank main body, and provided on the outer surface of the door front end and orthogonal to the door surface. A lock that has a lock hole provided on the other end side of the opening of the cleaning tank body, and a handle that can be rotated around an axis along the direction and that switches between a door openable position and a door closing tightening position. A hole holding material, a lock pin fitted in the lock hole so as to be able to advance and retreat, a biasing member for biasing the lock pin in a direction to enter the lock hole, and against a biasing force of the biasing member, Lock to retract the lock pin from the lock hole The lock release plate, the lock prevention plate for preventing the lock pin from entering the lock hole, and the handle being rotated to the door closing tightening position with the door closed, thereby moving the lock prevention plate. And a lock preventing plate movable member that allows the lock pin to enter the lock hole and prevents the lock pin that has entered the lock hole from returning to the door openable position. It is a cleaning machine.

  According to the first aspect of the present invention, the lock prevention plate movable member moves the lock prevention plate by turning the handle to the door closing tightening position with the door closed, and the lock pin is inserted into the lock hole. Allow entry. On the other hand, since the lock pin is urged in a direction to enter the lock hole by the urging member, the lock prevention plate movable material is moved by the handle operation and the lock pin is allowed to enter the lock hole. The lock pin enters the lock hole and is locked. In this state, the movement of the lock preventing plate movable member and the handle is mechanically restricted by the lock pin, and is prevented from returning to the door openable position. In this way, by setting the handle to the door closing tightening position, it is possible to mechanically lock the handle and thus the door to the washing tank body, and to ensure that the handle is in the door closing tightening position. it can. Therefore, there is no possibility that the liquid in the cleaning tank leaks outside during the operation of the cleaning device. In order to release the locked state, the handle may be rotated to the door openable position with the lock pin retracted from the lock hole against the biasing force of the biasing member by the lock pin releasing means.

  The invention according to claim 2 further includes handle lock detection means for detecting whether or not the lock pin has entered the lock hole, and the lock pin enters the lock hole by the handle lock detection means. The cleaning device according to claim 1, wherein the cleaning operation of the object to be cleaned in the cleaning tank is started on the condition that the detection is performed.

  According to the second aspect of the present invention, the cleaning operation of the object to be cleaned in the cleaning tank is started on the condition that the handle lock detection means detects the rush state of the lock pin into the lock hole. It is reliably prevented that the operation is started in the state of being.

  According to a third aspect of the present invention, the door is provided with a tightening bar that is movable in the width direction of the door by the turning operation of the handle, and the tightening bar is located at a position where the handle can be opened. In some cases, the door is in the retracted position toward the inner side in the width direction, and when the handle is in the door closing tightening position, the door protrudes outward in the width direction of the door and is provided on the cleaning tank body side. Door lock detecting means that enters into the bar fitting hole and detects whether or not the tightening bar has entered the bar fitting hole, and the lock pin to the lock hole by the handle lock detecting means The cleaning operation of the object to be cleaned in the cleaning tank is started on the condition that the rush state is detected and the detection of the rush state of the tightening bar into the bar fitting hole by the door lock detecting means. Claim 1 or claim 2 characterized A cleaning device according.

  According to the third aspect of the present invention, the door is held in the closed tightening position even when the door-side tightening bar enters the bar fitting hole on the cleaning tank body side. Then, the cleaning target in the cleaning tank is subjected to detection of the state of the lock pin entering the lock hole by the handle lock detection means and the detection of the insertion state of the tightening bar to the bar fitting hole by the door lock detection means. Since the washing operation of the object is started, it is more reliably prevented that the operation is started in a state where the door is open.

  According to a fourth aspect of the present invention, there is provided a cleaning nozzle that is provided in the cleaning tank and injects a liquid onto an object to be cleaned in the cleaning tank, a liquid storage unit that is connected to a lower part in the cleaning tank, A means for supplying water to the liquid reservoir, a means for draining from the liquid reservoir, a circulation means for circulating and supplying the liquid in the liquid reservoir to the cleaning nozzle, and detecting the presence or level of liquid in the liquid reservoir. A water level detector; and a control unit that controls each of the above units to control the water to be cleaned by spraying water stored in the liquid storage unit from the cleaning nozzle by the circulation unit, 4. The lock pin detaching means is made inoperable while the liquid level is detected by the water level detector and / or when the circulating means is in operation. It is a washing machine as described in above.

  According to the fourth aspect of the present invention, in the washer for injecting the liquid to the object to be cleaned in the cleaning tank and cleaning the handle, the handle is mechanically locked by being in the door closing tightening position. It is possible to drive with certainty that it is in the closed tightening position. In addition, when there is liquid in the liquid reservoir and / or the circulation means is in operation, the lock pin release means is disabled to prevent the door closing tightening state from being released unexpectedly. Is done.

  Further, in the invention according to claim 5, the substantially rectangular opening is formed in the cleaning tank main body, the door is provided so as to be rotatable around a lower end thereof, and the main body is provided with the door. On the other hand, a plunger is provided so as to be able to advance and retreat, and when energized, a solenoid that pulls the plunger into the main body, and a longitudinal intermediate portion are held by a support shaft extending in the vertical direction, and can swing around the support shaft. The lock pin is provided at one end, and the swinging member to which the plunger of the solenoid is connected to the other end via a first coil spring, and the lock pin enters the lock hole, The washer according to any one of claims 1 to 4, further comprising a second coil spring as the biasing member that biases the swing member.

  According to the fifth aspect of the present invention, the lock pin is provided at one end of the swing member held by the support shaft, and the solenoid plunger is connected to the other end via the first coil spring, and the lock is provided. The swing member is urged by the second coil spring in the direction in which the pin enters the lock hole. And by energizing a solenoid, a plunger can be drawn in and a lock pin can be extracted from a lock hole. With such a simple configuration, the handle can be mechanically locked and released easily.

  According to the cleaning device of the present invention, by setting the handle to the door closing tightening position, the handle and thus the door is mechanically locked to the cleaning tank main body, and it is ensured that the handle is in the door closing tightening position. Can drive.

It is a schematic perspective view which shows the washing | cleaning device of one Example of this invention. It is a schematic longitudinal cross-sectional view of the door of the washing | cleaning device of FIG. 1, and each locking mechanism of the handle | steering-wheel, and shows the front-end | tip part vicinity of the door of a closed state, and has shown a part notched. FIG. 3 is an enlarged view of a main part of FIG. 2. FIG. 3 is a cross-sectional view in plan view of FIG. 2 and shows a door openable position. FIG. 3 is a cross-sectional view in plan view of FIG. 2 and shows a door closing tightening position.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic perspective view showing a cleaning device 1 according to an embodiment of the present invention. 2 to 5 are schematic views showing the locking mechanisms of the door 2 and the handle 3 of the washer 1 of FIG. 1, showing the vicinity of the front end portion of the door 2 in a closed state and partially cut away. 2 is a longitudinal sectional view in front view, FIG. 3 is an enlarged view of a main part of FIG. 2, FIG. 4 is a transverse sectional view in plan view at a door opening position, and FIG. 5 is a door closing tightening position. FIG.

  As shown in FIGS. 1, 2, and 4, the cleaning device 1 of this embodiment includes a cleaning tank body 4 that accommodates an object to be cleaned, and a door 2 that opens and closes an opening 4 a of the cleaning tank body 4. Prepare. The cleaning tank body 4 and the door 2 constitute a cleaning tank. Although details will be described later, the cleaning device 1 of the present embodiment accommodates an object to be cleaned in a cleaning tank and cleans the object to be cleaned using a liquid.

  The cleaning tank body 4 is a hollow container in which an object to be cleaned is accommodated, and in the present embodiment, has a substantially rectangular hollow box shape. A substantially rectangular opening 4 a is formed on the front surface of the cleaning tank body 4, and the opening 4 a can be opened and closed by the door 2. By opening the door 2, an object to be cleaned (or a rack on which it is placed) can be taken in and out of the cleaning tank body 4, and by closing the door 2, the opening 4a of the cleaning tank body 4 is closed in an airtight manner. Can do. In FIG. 1, the washer 1 is covered with a decorative panel 5 except for the opening / closing part of the door 2. As will be described in detail later, the space covered with the decorative panel 5 accommodates various elements (for example, a circulation pump, a chemical solution tank, and the like) for performing a cleaning operation in addition to the cleaning tank body 4.

  As shown in FIG. 2 and FIG. 4, in this embodiment, the size of the cleaning tank body 4 is the same as or larger than the door 2 in the front view, and the size of the opening 4 a of the cleaning tank body 4 is , Smaller than door 2. And as shown in FIG. 4, the door stop part 4b is formed in the substantially rectangular frame shape in the front (front side) of the washing tank main body 4 so that the opening part 4a may be surrounded, This door stop part 4b. The packing 6 is continuously provided along the circumferential direction. When the door 2 is closed, the door 2 is positioned by the door contact portion 4 b through the packing 6, and the gap between the cleaning tank body 4 and the door 2 is sealed with the packing 6.

  The door 2 is formed in a substantially rectangular plate shape, and opens and closes the opening 4 a of the cleaning tank body 4. At this time, in this embodiment, the base end portion of the door 2 is held at the lower end portion of the cleaning tank main body 4 so as to be rotatable around an axis along the left-right direction. In FIG. 1, the opening 4 a of the cleaning tank body 4 can be closed by raising the door 2 in a substantially vertical direction with the front end of the door 2 facing upward. On the other hand, as shown by a two-dot chain line in FIG. 1, the opening 4a of the cleaning tank body 4 can be opened by tilting the door 2 substantially horizontally with the front end of the door 2 facing forward. The washing tank body 4 and the door 2 are preferably connected by a gas spring (not shown), and the gas spring prevents the door 2 from falling more than necessary when the door 2 is opened.

  As shown in FIGS. 2 and 4, the door 2 of this embodiment is configured by combining a front plate 2a and a back plate 2b, and is formed in a substantially rectangular plate shape as a whole. As shown in FIGS. 1 and 2, it is preferable that the transparent glass 7 is incorporated in the central portion of the door 2 so that the inside of the cleaning tank can be visually recognized from the outside even when the door 2 is closed.

  A handle 3 is provided at the center in the width direction of the front end of the door 2 so as to protrude toward the outer surface (surface plate). The shape of the handle 3 is not particularly limited. In the illustrated example, the handle 3 is provided with a bar bent in a substantially L shape, and one piece 3a thereof is arranged perpendicular to the door surface and is provided so as to enter the door 2. The other piece 3b is arranged parallel to the door surface and spaced apart from the surface plate 2a. One piece 3 a of the handle 3 serves as a shaft for rotating the handle 3, and the other piece 3 b of the handle 3 serves as a grip portion (handle) for operating the handle 3.

  The setting range of the handle 3 can be rotated around an axis 3a extending in a direction orthogonal to the door surface. Specifically, in this embodiment, the handle 3 has the gripping portion 3b oriented horizontally (in other words, the gripping portion 3b is moved to the right side with respect to the shaft 3a) as shown in the two-dot chain line of FIG. 2 and FIG. As shown in the solid line of FIG. 2 and the solid line of FIG. 2 and FIG. 5, the grip portion 3b is directed vertically (in other words, the grip portion 3b is extended downward with respect to the shaft 3a). It can be rotated between the door closing tightening position.

  A tightening bar 8 that is movable by operating the handle 3 is provided in the door 2 along the width direction of the door 2. Specifically, as shown in FIG. 2, a holding box 9 in which the shaft 3 a of the handle 3 is inserted and held is fixed in the door 2, and extends from the left and right of the holding box 9. A clamping bar 8 is provided. The left and right tightening bars 8 are in the form of elongated round bars, and the tips are tapered in a substantially truncated cone shape. Each tightening bar 8 has a midway portion that is held through a holding block 10 that is fixed in the door 2 so as to be able to advance and retreat, and a tip portion protrudes and retracts from a hole in a side end surface (width direction outer end surface) of the door 2 It is possible. A mechanism for moving the tightening bar 8 forward and backward by operating the handle 3 is built in the holding box 9, and the tightening bar 8 moves in the left-right direction as the handle 3 rotates. Specifically, as shown in FIG. 4, when the handle 3 is in the door openable position, the fastening bar 8 is retracted inward in the width direction of the door 2 and does not protrude from the side end surface of the door 2. . On the other hand, as shown in FIG. 5, when the handle 3 is set to the door closing tightening position, the tightening bar 8 protrudes outward in the width direction of the door 2 and protrudes from the side end surface of the door 2.

  As shown in FIGS. 2 and 4, the door 2 is closed on the side of the cleaning tank body 4 (hereinafter, unless otherwise specified, the closed door 2 means that the door can be opened or the door is closed). The bar receiving material 11 that can be engaged and disengaged by the tightening bar 8 appearing and retracting is provided. In the case of the illustrated example, vertical frames 12 are provided on the left and right ends of the front side of the cleaning tank body 4, and when the door 2 is closed, the door 2 is received between the left and right vertical frames 12. And in the vertical frame 12 on either side, the bar receiving material 11 is provided in the height corresponding to the fastening bar 8, respectively. The bar receiving member 11 includes a substantially rectangular plate-like horizontal piece 11a and a vertical piece 11b (FIG. 4). However, the horizontal piece 11a and the vertical piece 11b may be constituted separately, in addition to being constituted integrally. Further, the bar receiving member 11 (particularly, the vertical piece 11b) may be configured as a part of the vertical frame 12.

  In a state where the door 2 is closed, the vertical piece 11 b of the bar receiving member 11 is disposed adjacent to and facing the side end surface of the door 2. In the vertical piece 11b of the bar receiving member 11, a bar fitting hole 11c into which the fastening bar 8 can be fitted is formed at a height corresponding to the fastening bar 8. When the handle 3 is turned to the door closing tightening position with the door 2 closed, the left and right tightening bars 8 enter the bar fitting holes 11 c of the bar receiving member 11. By fitting the fastening bar 8 into the bar fitting hole 11c, the door 2 can be maintained in the shut-off state, that is, the door 2 can be locked to the cleaning tank body 4.

  On the other hand, the horizontal piece 11a of the bar receiving member 11 is horizontally fixed to the vertical frame 12 at a position below the bar fitting hole 11c of the vertical piece 11b. The horizontal piece 11a is provided with door lock detection means (13) for detecting whether or not the tightening bar 8 has entered the bar fitting hole 11c. The door lock detection means is not particularly limited, but is constituted by a limit switch 13 in this embodiment. As shown in FIG. 4, when the handle 3 is in the door openable position, the tightening bar 8 does not protrude from the side end surface of the door 2, and the lever 13 a of the limit switch 13 is not pushed in. On the other hand, as shown in FIG. 5, when the handle 3 is set to the door closing tightening position, the tightening bar 8 protrudes from the side end surface of the door 2 and is fitted into the bar fitting hole 11c. The lever 13a of the limit switch 13 is pushed. In this way, the limit switch 13 can detect whether or not the tightening bar 8 has entered the bar fitting hole 11c.

  As described above, the tightening bar 8 can be moved by the operation of the handle 3 to lock the door 2 to the cleaning tank main body 4. In addition to the locking mechanism, a locking mechanism for the handle 3 is also provided. The lock mechanism of the handle 3 is a mechanism that holds the handle 3 in the door closing cutoff position. Hereinafter, the lock mechanism of the handle 3 will be specifically described.

  The lock mechanism of the handle 3 is provided on the front end portion (upper end portion in the illustrated example) side of the door 2 when the door 2 is closed. As shown in FIGS. 3 and 4, the substrate 14 is horizontally fixed to the cleaning tank body 4 side slightly above the front end surface (upper end surface) of the door 2 with the door 2 closed. In the present embodiment, the substrate 14 is provided at least in the center in the width direction of the cleaning tank body 4, and is disposed close to and facing the front end surface of the door 2 with the door 2 closed. The rear surface plate 2b is provided so as to extend rearward. In addition, when a horizontal frame is provided in the front upper part of the washing tank body 4 and the door frame is configured to receive the door 2 by the horizontal frame and the vertical frame 12, the lower piece of the horizontal frame is used as the substrate 14. The substrate 14 may be provided on the horizontal frame.

  On the substrate 14, a plate-like lock hole holding member 15 is provided perpendicular to the substrate 14. In the present embodiment, as shown in FIG. 4, the lock hole holding member 15 is formed from a substantially L-shaped member in plan view, and the first piece 15 a is disposed along the left-right direction, while the second piece 15 b is provided. Arranged along the front-rear direction. However, it is sufficient for the lock hole retaining material 15 to include at least the first piece 15a. Moreover, you may form the lock hole holding material 15 and the board | substrate 14 with one member. In any case, the first member 15a of the lock hole holding member 15 is formed in a substantially rectangular plate shape, and is fixed on the substrate 14 with its plate surface facing front and rear. The lock hole holding member 15 is formed with a circular lock hole 15c penetrating perpendicularly to the plate surface (that is, along the front-rear direction).

  The lock pin 16 is fitted into the lock hole 15c so as to be able to advance and retract. The lock pin 16 is urged by the urging member (17) in a direction to enter the lock hole 15c, and can be retracted from the lock hole 15c by the lock pin detaching means (18) against the urging force. . Although details will be described later, in this embodiment, a coil spring (second coil spring) 17 is used as the urging member, and a solenoid 18 is used as the lock pin releasing means.

  More specifically, the structure for advancing and retracting the lock pin 16 will be described. First, a swing member 19 is provided on the substrate 14 behind the lock hole retaining member 15. The rocking member 19 is composed of a plate material that is elongated to the left and right, and is held horizontally. At that time, the swing member 19 is held on the substrate 14 by the support shaft 20 in the middle in the longitudinal direction. The support shaft 20 is a member extending in the vertical direction, a lower end portion is fixed to the substrate 14, and a swing member 19 is held at the upper end portion so as to be rotatable in the horizontal direction.

  The rocking member 19 is provided with a lock pin 16 at one end, and the other end is connected to the solenoid 18 via a first coil spring 21. The lock pin 16 is formed of a bar (typically a round bar) disposed along the front-rear direction, the rear end is held by the swing member 19 via the mounting pin 22, and the front end is forward. Placed. As shown in FIG. 4, a substantially L-shaped guide member 23 in plan view is fixed on the substrate 14, and the guide member 23 has a guide hole 23b formed in a piece 23a along the left-right direction. An elongated hole 23d is formed in the other piece 23c along the front-rear direction. The swing member 19 is passed through the guide hole 23 through the elongated hole 23d, and the lock pin 16 is passed through the guide hole 23b. The lock pin 16 is held by a mounting pin 22 so as to be swingable with respect to the swing member 19, and is fitted in the guide hole 23b so as to be able to advance and retract. As a result, the lock pin 16 moves in the front-rear direction while being guided by the guide hole 23 b as the swing member 19 swings. When the lock pin 16 moves forward, the front end portion can enter the lock hole 15c, and when the lock pin 16 moves rearward, the front end portion can be detached from the lock hole 15c. The rocking member 19 can rock the set range by the long hole 23d. However, even when the lock pin 16 is moved most rearward by the rocking member 19, the front end of the lock pin 16 is fitted into the guide hole 23b. It is good to be maintained in the state (FIG. 4).

  The swing member 19 is urged by the second coil spring 17 in a direction in which the lock pin 16 enters the lock hole 15c. In the illustrated example, one end of the second coil spring 17 is fixed to the lock hole holding member 15, and the other end is attached to one end in the axial direction (the lock pin 16 side) of the swing member 19 from the support shaft 20. It is done. The second coil spring 17 urges one end portion (that is, the lock pin 16) of the swing member 19 in a direction to enter the lock hole 15c with a force to be shortened.

  Lock pin detachment means (18) is provided so as to retract the lock pin 16 from the lock hole 15c against the urging force of the second coil spring 17. The configuration of the lock pin detachment means is not particularly limited, but is configured by a solenoid 18 in this embodiment. The solenoid 18 of the present embodiment is configured such that a plunger 25 can be moved forward and backward with respect to the main body 24 and the plunger 25 is pulled into the main body 24 by energizing the coil of the main body 24. The distal end portion of the plunger 25 is held by the other end portion of the swing member 19 via the first coil spring 21.

  In the case of such a configuration, when the solenoid 18 is not energized, there is no pulling force of the plunger 25, so the second coil spring 17 biases the lock pin 16 into the lock hole 15c. At this time, the plunger 18 protrudes from the main body 24 of the solenoid 18. On the other hand, when the solenoid 18 is energized, the plunger 25 is drawn into the main body 24 against the urging force of the second coil spring 17, and the other end of the swing member 19 moves to the solenoid 18 side. The lock pin 16 moves from the hole 15c in the direction of removal.

  If the plunger 25 is not retracted into the main body 24 when the solenoid 18 is energized, the solenoid 18 may be overheated. However, in this embodiment, since the swing member 19 and the plunger 25 are connected by the first coil spring 21, at least when the solenoid 18 is energized, at least the plunger 25 can be reliably pulled into the main body 24. Overheating can be prevented.

  Incidentally, the lock hole holding member 15 is provided with a lock prevention plate 26 for preventing the lock pin 16 from entering the lock hole 15c. Specifically, as shown in FIGS. 3 and 4, the holding pin 27 is attached to the back surface of the first piece 15 a of the lock hole holding member 15 so that the substantially rectangular plate-shaped lock prevention plate 26 is overlaid. Is held. The holding pin 27 is provided above the lock hole 15c and is disposed along the front-rear direction. A lock prevention plate 26 is provided so as to be rotatable around the holding pin 27. Normally, as shown by a broken line in FIG. 3, the lock prevention plate 26 is in a state of hanging downward due to its own weight, and in this state, the opening of the lock hole 15 c is closed by the lock prevention plate 26. On the other hand, as shown by a two-dot chain line in FIG. 3, by operating the handle, the lock prevention plate 26 can be pushed up around the holding pin 27 by the lock prevention plate movable member 28. In this state, the lock hole 15c is opened. The

  That is, on the door 2 side, a lock preventing plate movable member 28 that is rotated by a handle operation is provided. The lock preventing plate movable member 28 according to the present embodiment has a substantially rectangular plate shape, and rotates around the shaft 3 a of the handle 3 together with the handle 3 as the handle 3 is operated. Specifically, as shown by a solid line in FIG. 3, when the handle 3 is in the door openable position, as shown by a broken line, the lock preventing plate movable member 28 is stored in the door 2. is there. Then, as shown by the two-dot chain line, when the handle 3 is turned to the door closing tightening position, the lock preventing plate movable member 28 rotates together with the handle 3 around the shaft 3a in conjunction with it. Projecting upward from the slit 2c (FIG. 1) of the front end surface and the slit (not shown) of the substrate 14, the lock prevention plate 26 is pushed up to open the lock hole 15c.

  As is clear from the above, when the handle 3 is in the door openable position with the door 2 closed, the lock hole 15c is closed by the lock prevention plate 26 (note that the solenoid 18 is normally in the energized stop state). . Accordingly, the lock pin 16 cannot enter the lock hole 15c. On the other hand, when the handle 3 is turned to the door closing tightening position, as described above, the lock preventing plate movable member 28 on the door 2 side moves the lock preventing plate 26 on the cleaning tank body 4 side, and the lock hole 15c is opened. Open. Accordingly, the lock pin 16 is inserted into the lock hole 15c. Once in this state, unless the solenoid 18 is energized and the lock pin 16 is retracted, the lock pin 16 cannot be released into the lock hole 15c and the handle 3 is returned to the door openable position. Is prevented. That is, when the handle 3 is set to the door closing tightening position, the state is mechanically maintained by the entry of the lock pin 16 into the lock hole 15c. In other words, the handle 3 can be locked at the door closing tightening position, and the opening operation of the door 2 can be mechanically restricted. Thereafter, when it is desired to release the lock, if the solenoid 18 is temporarily energized by a predetermined operation (for example, by instructing the control means by a predetermined button operation), the lock pin 16 is removed from the lock hole 15c. The handle 3 may be returned to the door openable position.

  On the substrate 14, a handle lock detection means (29) is provided on the front side of the lock hole holding member 15 to detect whether or not the lock pin 16 has entered the lock hole 15 c. The handle lock detection means is not particularly limited, but is constituted by a limit switch 29 in this embodiment.

  As shown in FIG. 4, when the handle 3 is in the door openable position with the door 2 closed, as described above, the lock pin 16 does not enter the lock hole 15c. Although FIG. 4 shows a state where the solenoid 18 is energized, the energization of the solenoid 18 is normally stopped. While the energization of the solenoid 18 is stopped, the lock pin 16 moves forward by the second coil spring 17, but the lock prevention plate 26 prevents the lock pin 16 from entering the lock hole 15c. Therefore, the lever 29a of the limit switch 29 is not pushed in.

  On the other hand, as shown in FIG. 5, when the handle 3 is set to the door closing tightening position, as described above, the lock prevention plate movable member 28 pushes up the lock prevention plate 26 to open the lock hole 15c. The lock pin 16 enters the hole 15c, and the handle 3 and thus the door 2 are kept locked. In this state, the tip of the lock pin 16 pushes the lever 29a of the limit switch 29, so that the lock state can be detected. In this way, the limit switch 29 can detect whether or not the lock pin 16 has entered the lock hole 15c.

  In addition to the cleaning tank (cleaning tank main body 4 with the door 2) having the above-described configuration, the cleaning device 1 of the present embodiment is typically provided in the cleaning tank but is not shown. A cleaning nozzle for injecting a liquid to an object to be cleaned, a liquid reservoir connected to the lower part of the cleaning tank, a water supply means to the liquid reservoir, a drain means from the liquid reservoir, and a liquid reservoir A circulation means for circulating and supplying the liquid to the cleaning nozzle, a water level detector for detecting the presence or absence of the liquid in the liquid reservoir, and a control means for controlling the means.

  Then, after the object to be cleaned is stored in the cleaning tank, the door 2 of the cleaning tank is hermetically closed and locked as described above, and then a predetermined start button is pressed. Thereby, a predetermined operation is started under the control of the control means. The specific operation content is appropriately set, but typically, after the water level detector supplies the water until the water level detector detects the set water level, the circulating means is operated to supply the stored water in the liquid storage unit. The object to be cleaned is cleaned by circulating supply to the cleaning nozzle and spraying liquid from the cleaning nozzle. At this time, if desired, the chemical solution may be introduced into the stored water (circulated water) by the chemical solution supply means, or the stored water (circulated water) may be heated by the heating means. And if predetermined | prescribed termination conditions are satisfy | filled, a circulation will be stopped and it will drain by a drainage means. Using such a treatment, the object to be cleaned is washed, rinsed in the same manner (further decontamination if desired), and then dried with hot air if desired. When this drying can be performed, the washer 1 is provided with a blower for sending air into the washing tank and a heater for heating the air.

  In place of or in addition to the jet cleaning as described above, an ultrasonic vibrator is provided in the lower part of the cleaning tank, and water is stored in the cleaning tank until the object to be cleaned is immersed (submerged). Alternatively, the ultrasonic vibrator may be operated so that the object to be cleaned can be ultrasonically cleaned. In this case as well, a chemical solution may be added to the stored water or the stored water may be heated as desired.

  Incidentally, in addition to the limit switch (first limit switch) 13 for detecting door locks and the limit switch (second limit switch) 29 for detecting handle locks, the solenoid 18 includes control means (this control means is the above-described cleaning operation). May be common or different from those for The control means monitors whether the door 2 is locked by the first limit switch 13 and monitors whether the handle 3 is locked by the second limit switch 29, or energizes the solenoid 18 to lock it. It can be released.

  The control means can start the cleaning operation of the object to be cleaned in the cleaning tank on condition that the second limit switch 29 detects the state of the lock pin 16 entering the lock hole 15c. That is, water supply into the cleaning tank (operation of the water supply means) or injection in the cleaning tank (operation of the circulation means) is subject to detection of the state of the lock pin 16 entering the lock hole 15c by the second limit switch 29. It is good to do. More preferably, both the detection of the rush state of the tightening bar 8 into the bar fitting hole 11c by the first limit switch 13 and the detection of the rush state of the lock pin 16 into the lock hole 15c by the second limit switch 29 are performed. It is preferable to allow the start of the cleaning operation on the condition of

  Further, the control means may disable the lock pin detachment means (that is, restrict energization to the solenoid 18) while the liquid level is detected by the water level detector and / or the circulation means is in operation. Good. This prevents the door closing tightening state from being unexpectedly released when there is liquid in the liquid reservoir and / or when the circulation means is in operation. Note that such control, that is, control for shutting off the energization of the solenoid 18 when there is water during operation and the circulation pump is operating, is performed by using an external circuit (sequencer) that is different from the main circuit for operating the cleaning device 1. More preferably, the circuit is not interposed. Whether the circulation means is in operation or not can be detected by, for example, a pressure switch (a pressure switch for detecting the presence or absence of circulation by the pressure in the pipe) provided in the circulation line, in addition to grasping the start / stop of the circulation pump. it can.

The washer 1 of the present invention is not limited to the configuration (including control) of the above embodiment, and can be changed as appropriate. In particular, as long as the following configuration is provided, other configurations can be appropriately changed.
(A) Cleaning tank main body 4 that contains an object to be cleaned and is cleaned using a liquid
(B) A door 2 that opens and closes the opening 4a of the cleaning tank body 4 and has a door base end rotatably held at one end of the opening 4a of the cleaning tank body 4.
(C) A handle 3 provided on the outer surface of the door front end and capable of rotating a setting range around an axis 3a extending in a direction orthogonal to the door surface and switching between a door openable position and a door closing tightening position.
(D) A lock hole holding member 15 provided on the other end side of the opening 4a of the cleaning tank body 4 and having a lock hole 15c.
(E) Lock pin 16 fitted in lock hole 15c so as to be able to advance and retreat
(F) A biasing member 17 that biases the lock pin 16 in a direction to enter the lock hole 15c.
(G) Lock pin detachment means 18 for retracting the lock pin 16 from the lock hole 15c against the urging force of the urging member 17
(H) Lock prevention plate 26 for preventing the lock pin 16 from entering the lock hole 15c
(I) By rotating the handle 3 to the door closing tightening position with the door 2 closed, the lock prevention plate 26 is moved to allow the lock pin 16 to enter the lock hole 15c, and into the lock hole 15c. Lock prevention plate movable member 28 whose return to the door openable position is prevented by the inserted lock pin 16

  For example, in the above embodiment, a door lock mechanism (insertion of the tightening bar 8 into the bar fitting hole 11c) and a handle lock mechanism (insertion of the lock pin 16 into the lock hole 15c) are provided. A mechanism may be provided, and the door lock mechanism may be omitted in some cases.

  Moreover, in the said Example, although the door 2 was provided so that rotation was possible around the lower end part of the opening part 4a of the washing tank main body 4, it was rotatable around the one side edge part of the opening part 4a of the washing tank main body 4. FIG. May be provided.

  Moreover, in the said Example, it is sufficient for the lock prevention board 26 to be able to prevent the lock pin 16 from entering into the lock hole 15c, and the specific method can be changed appropriately. Therefore, in some cases, the lock prevention plate 26 is not limited to a literal plate shape, but may be a member having another shape. In that respect, the lock prevention plate 26 can also be referred to as the lock prevention material 26.

  Moreover, in the said Example, although the door 2 was provided only in the front of the washing tank main body 4, you may provide in both the front and back of the washing tank main body 4. FIG. Also in that case, it is preferable that each door 2 is provided with each lock mechanism of the door 2 and the handle 3 and its detection means. And it is good to start washing | cleaning driving | running | working on condition that the detection of each lock | rock of the door 2 and the handle | steering_wheel 3 about both doors 2. FIG. In addition, it is preferable that the lock pin detaching means 18 be disabled for both the front and rear doors 2 while the liquid level is detected by the water level detector and / or the circulating means is operating.

  Furthermore, in the said Example, although the example applied to the washing | cleaning machine 1 which injects a liquid to a to-be-washed object and wash | cleans was demonstrated, the structure and process for washing | cleaning can apply conventionally well-known various things. it can.

DESCRIPTION OF SYMBOLS 1 Washing device 2 Door 3 Handle 3a Shaft 3b Gripping part 4 Cleaning tank main body 4a Opening part 8 Tightening bar 11 Bar receiving material 11c Bar fitting hole 13 Limit switch (door lock detection means)
15 Lock hole holding material 15c Lock hole 16 Lock pin 17 Second coil spring (biasing member)
18 Solenoid (lock pin release means)
DESCRIPTION OF SYMBOLS 19 Oscillating material 20 Support shaft 21 First coil spring 24 Body portion 25 Plunger 26 Lock prevention plate 28 Lock prevention plate movable material 29 Limit switch (handle lock detection means)

Claims (5)

A cleaning tank main body for storing an object to be cleaned and cleaning with a liquid;
This is a door-like door that opens and closes the opening of the cleaning tank body, and a door whose door base end is rotatably held at one end of the opening of the cleaning tank body,
A handle that is provided on the outer surface of the front end of the door, is capable of rotating a set range around an axis extending in a direction orthogonal to the door surface, and switches between a door openable position and a door closing tightening position;
A lock hole holding material provided on the other end side of the opening of the cleaning tank body, and having a lock hole,
A lock pin fitted in the lock hole so as to be able to advance and retreat;
A biasing member that biases the lock pin in a direction to enter the lock hole;
Lock pin detachment means for retreating the lock pin from the lock hole against the urging force of the urging member;
An anti-lock plate for preventing the lock pin from entering the lock hole;
By turning the handle to the door closing tightening position with the door closed, the lock prevention plate is moved to allow the lock pin to enter the lock hole and enter the lock hole. A cleaning device comprising: a lock prevention plate movable member that is prevented from returning to a door openable position by the lock pin. A handle lock detecting means for detecting whether or not the lock pin enters the lock hole;
The cleaning device according to claim 1, wherein the cleaning operation of the object to be cleaned in the cleaning tank is started on condition that the lock state of the lock pin entering the lock hole is detected by the handle lock detecting means. . The door is provided with a tightening bar that can be moved in the width direction of the door by rotating the handle.
When the handle is in the door openable position, the tightening bar is in a position retracted inward in the width direction of the door, while when the handle is in the door closing tightening position, the width of the door Protrudes outward in the direction, and enters a bar fitting hole provided on the side of the cleaning tank body,
Further comprising door lock detection means for detecting whether or not the tightening bar enters the bar fitting hole.
The cleaning is performed on the condition that the lock state of the lock pin entering the lock hole is detected by the handle lock detecting unit and the state of the clamp bar entering the bar fitting hole is detected by the door lock detecting unit. The cleaning device according to claim 1 or 2, wherein a cleaning operation of an object to be cleaned in the tank is started. A cleaning nozzle that is provided in the cleaning tank and injects a liquid onto an object to be cleaned in the cleaning tank, a liquid storage unit connected to a lower part in the cleaning tank, and a water supply unit to the liquid storage unit, A means for draining from the liquid reservoir, a circulation means for circulating and supplying the liquid in the liquid reservoir to the cleaning nozzle, a water level detector for detecting the presence or absence of the liquid in the liquid reservoir, and the means. Control means for controlling the water to be cleaned by spraying water stored in the liquid storage unit by the water supply means from the cleaning nozzle by the circulation means,
The lock pin detachment means is disabled during detection of liquid in the liquid storage section by the water level detector and / or when the circulation means is in operation. The cleaning device according to item. In the cleaning tank body, the substantially rectangular opening is formed, and the door is provided to be rotatable around a lower end portion thereof.
A solenoid is provided so that the plunger can be moved back and forth with respect to the main body, and when energized, the solenoid pulls the plunger into the main body,
A midway portion in the longitudinal direction is held by a support shaft extending in the vertical direction and can swing around the support shaft. The lock pin is provided at one end portion, and the solenoid is connected to the other end portion via a first coil spring. A rocking material to which the plunger of
The second coil spring as the urging member that urges the rocking member in a direction in which the lock pin enters the lock hole. Scrubber.

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