JP2019128052A - Storage - Google Patents

Abstract

To provide a storage which can inhibit rotation wear of a rotary jet part.SOLUTION: A storage 10 according to one embodiment includes: a box shaped storage body 12; a metallic projection part 40 protruding downward from a ceiling wall 14 of the storage body 12; a second metallic jet part (a jet part) 56 which is rotatably inserted into the projection part 40 and can jet cleaning water; and a resin bearing part 70 which is inserted into the projection part 40 in a rotationally slidable manner. The second jet part (the jet part) 56 and the bearing part 70 are fitted and rotation of the second jet part (the jet part) 56 causes the bearing part 70 to rotationally slide relative to the projection part 40.SELECTED DRAWING: Figure 14

Description

  The present invention relates to storage.

  DESCRIPTION OF RELATED ART Conventionally, the heating cooker of patent document 1 is known as a storage with a washing function, for example. The heating cooker includes a box-shaped cooking cabinet and a washing nozzle attached to an outlet from which washing water is released from the ceiling wall of the cooking cabinet. The cleaning nozzle includes an attachment head that is attached to the ceiling wall of the cooking chamber so as to protrude downward, a sleeve that is loosely fitted to the attachment head, and two jet pipes that are produced in the radial direction from the sleeve. It has.

  Generally, the cleaning nozzle is made of metal, and when the sleeve rotates, the sleeve slides with the mounting head, and the sleeve and the mounting head wear metal, but there is a gap between the mounting head and the sleeve. A clearance is provided, and washing water flows into the clearance to form a water seal with the washing water, thereby preventing the sleeve and the mounting head from being worn.

Japanese Patent Laying-Open No. 2015-155777

However, in the above configuration, when the temperature of the washing water rises, the viscosity of the water decreases, so that a sufficient water seal can not be formed, and there is a problem that the wear of the sleeve and the mounting head increases.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a storage that can prevent wear between a sleeve and a mounting head caused by rotation of a cleaning nozzle.

  In order to solve the above problems, the storage of the present invention includes a box-shaped storage body, a metal protrusion protruding downward from the ceiling wall of the storage body, and a metal that is rotatably inserted into the protrusion. An injection unit that is capable of injecting cleaning water, and a resin-made bearing unit that is rotatably inserted into the protrusion, and the injection unit and the bearing unit are fitted to each other. The bearing unit is configured to slide and rotate relative to the projection by rotation of the injection unit.

  In the conventional configuration in which the water seal is formed on the sliding surface between the metals, when the temperature of the cleaning water rises, the viscosity of the water decreases, so that the water seal cannot be formed, and metal wear occurs. On the other hand, in the above configuration, the bearing portion is fitted with the injection portion and rotates integrally with the injection portion, and the resin bearing portion slides on the metal protrusion. For this reason, in general, the resin has a better sliding property with the metal than the sliding between the metals, so that the sliding between the bearing portion and the protruding portion regardless of the rise in the temperature of the washing water. The amount of wear on the surface does not increase. Therefore, since the temperature of the cleaning water can be raised more than in the conventional configuration, the dirt in the storage body can be easily removed.

  Further, the bearing portion has a convex portion protruding toward the injection portion, the injection portion has a concave portion that can be fitted to the convex portion, and the fitting between the injection portion and the bearing portion. It is good also as a structure performed by fitting with the said convex part and the said recessed part.

  By providing a recessed part in a bearing part and providing a convex part in an injection part, fitting with a bearing part and an injection part can be performed.

  In addition, the bearing portion has a cylindrical space, a cylindrical inner surface of the bearing portion and an outer peripheral surface of the projection portion are in contact with each other, and a contact surface between the bearing portion and the projection portion is the bearing portion. It is also possible to adopt a configuration in which the projection part is a sliding surface that rotates and slides.

  Even if the injection part tries to incline in the direction crossing the axial direction, the inner peripheral surface of the bearing part fitted to the injection part and the outer peripheral surface of the projection part are in contact with each other, so that the inclination of the injection part is It can be suppressed.

  According to the present invention, it is possible to provide a storage that can suppress the rotational wear of the rotating injection part.

Front view of storage Top view of the storage Front view of storage showing tank and pump locations Side cross-sectional view of storage The figure of the storage which shows the position of the 1st injection part and detergent tray from a side view Perspective view of storage Enlarged view of the detergent tray after rotation in Figure 5 Diagram of detergent tray enlargement after rotation in Figure 6 Illustration of detergent being mixed from the detergent bottle into the detergent tray Front perspective view of the detergent tray Perspective view of detergent tray An exploded perspective view of the second injection unit Front view of the second injection unit Cross-sectional view of the second injection unit from the front view An enlarged view of the vicinity of the flange portion in FIG.

The storage 10 of the present embodiment will be described with reference to FIGS. 1 to 15. In the following description, the X direction in FIG. 2 is the front, the Z direction in FIG. 1 is the upward, and the Y direction in FIG. 1 is the right.
The storage 10 is a rapid cooling storage (so-called blast chiller) that cools high-temperature food after cooking in a short time, and has a cleaning function of cleaning the storage with cleaning water. As shown in FIG. 3, the storage 10 is provided below the storage main body 12 with a box-like storage main body 12 whose front face is opened, and a tank 114 capable of storing flush water and below the tank 114. Machine room 120. Moreover, as shown in FIG. 4, the door 13 is attached to the storage main body 12 so that opening and closing is possible.

  As shown in FIG. 1, a box-shaped cooler case 16 whose both side surfaces are opened is provided near the left side wall inside the storage body 12. Inside the cooler case 16 are provided a cooler 18 that cools the inside air, and two fans 20 that are arranged on the right side of the cooler 18 and circulate the cool air cooled by the cooler 18 into the inside of the refrigerator. It has been. The cooler 18 is a so-called evaporator, and evaporates the refrigerant compressed and condensed by the compressor and the condenser provided in the machine room 120 to take away the surrounding heat and cool the inside air of the storage body 12. doing. A cover 22 is attached to the opening on the right side of the cooler case 16 so as to cover the fan 20. The cover 22 is provided with ventilation openings 24 at positions corresponding to the two fans 20. ing.

  Between the cooler 18 and the fan 20, as shown in FIG. 5, the 1st injection part 30 is provided. The first injection unit 30 protrudes toward the cooler 18 from the first injection unit main body 32 having a shape obtained by bending a long and narrow tube, and can inject cleaning water toward the cooler 18. A plurality of first nozzles 34, a plurality of openings provided on the front side of the first jet unit 30, and a second nozzle 36 capable of jetting cleaning water toward the back surface of the cover 22 and the fan 20; The third nozzle 38 is provided so as to project forward from the tip end of the injection portion main body 32 and capable of injecting washing water toward a detergent tray 80 described later.

  A circular circular hole 26 is opened on the front surface of the cover 22 as shown in FIG. 8, and a detergent tray 80 is attached to cover the circular hole 26 as shown in FIG. Yes. The circular hole 26 is disposed in front of the third nozzle 38, and the washing water sprayed from the third nozzle 38 passes through the circular hole 26 and strikes the detergent tray 80.

  As shown in FIGS. 10 and 11, the detergent tray 80 has a box shape and is provided on a tray main body 82 that opens upward, and on the lower surface of the tray main body 82, and protrudes on both sides of the tray main body 82. A rod-shaped rotating shaft portion 98 and a side wall 102 provided so as to surround the peripheral wall 88 of the tray main body portion 82 are provided.

  As shown in FIG. 10, the rear peripheral wall 88B of the tray main body 82 is provided so as to protrude above the front peripheral wall 88A and the pair of left and right peripheral walls 88C, and the rear surface of the rear peripheral wall 88B is A contact surface 96 against which the washing water sprayed from the three nozzles 38 hits. The contact surface 96 is provided with a projecting piece 100 projecting from the upper end toward the front side (the third nozzle 38 side) of the cover 22.

  As shown in FIGS. 10 and 11, the side wall 102 is a front side wall 102A disposed forward of the front side peripheral wall 88A, and a rear side wall disposed rearward of the rear side peripheral wall 88B. 102B and a pair of left and right side walls 102C disposed on the left and right sides of the pair of left and right peripheral walls 88C, respectively, and each side wall 102 has a length in the width direction of each peripheral wall 88. Is also getting longer. The upper ends of the front side walls 102A and the pair of left and right side walls 102C are located above the upper ends of the front peripheral wall 88A and the left and right peripheral walls 88C.

  As shown in FIGS. 10 and 11, the left and right side walls 102C are respectively provided with insertion holes 110 through which the rotary shaft 98 is inserted, and the tray main body 82 has a pair of left and right side walls. It is rotatably mounted on 102C.

  As shown in FIGS. 10 and 11, a rotation stop wall 112 protrudes upward from the upper end of the rear side wall 102B. When the tray main body 82 is rotated until the opening 86 of the tray main body 82 is at the upper side, the protruding pieces 100 of the tray main body 82 contact the rotation stop wall 112 as shown in FIG. Touch. Thus, the protruding piece 100 functions as a rotation stopper for stopping the rotation of the tray main body portion 82. Further, the position of the center of gravity of the tray main body portion 82 in the upper open state is on the rear side (that is, the contact surface 96 side) of the rotating shaft portion 98, and the tray main body portion 82 is held in the upper open state.

  As shown in FIG. 4, a metal projection 40 that protrudes downward and allows washing water to flow therethrough is connected to the ceiling wall 14 of the storage body 12, and from the pump 122 described later, the projection is connected Washing water is supplied into 40. As shown in FIG. 12, the projection 40 projects downward from the lower end of a cylindrical projection main body 42 extending in the vertical direction, the flange 44 provided around the projection main body 42, and the projection main body 42. A cylindrical bearing insertion portion 48 in which the projection main body 42 and the internal space communicate with each other is provided. Below the flange portion 44 of the projection main body 42, a first ejection hole 46 for discharging washing water is provided to open. Further, the bearing insertion portion 48 is provided with a second jet hole 50 for discharging the washing water. The second injection portion (injection portion) 56, the bearing portion 70, and the bearing holding portion 78 are attached to the protrusion 40.

  The second injection unit 56 is a metal rotating paddle capable of injecting cleaning water while rotating. As shown in FIG. 12, the second injection unit 56 includes a cylindrical second injection unit main body 58 and a second injection unit main body 58. A tubular first nozzle tube 62 projecting in one direction, a tubular second nozzle tube 64 projecting in the other direction opposite to the one direction, and a third nozzle projecting downward from the second nozzle tube 64 And a tube 66. The internal spaces of the second injection unit main body 58, the first nozzle tube 62, the second nozzle tube 64, and the third nozzle tube 66 are in communication with each other, and the first nozzle tube 62, the second nozzle tube 64, and the At the tip of the three-nozzle pipe 66, a fourth nozzle 68 capable of fan-like jet of washing water in the direction of protrusion is provided. The tip of the second nozzle pipe 64 has a shape bent toward the front side in the drawing, and the second injection unit 56 promotes the injection of the washing water from the fourth nozzle 68 provided in the second nozzle pipe 64. As a force, the second nozzle tube 64 rotates in the direction opposite to the bending direction. A groove-shaped recess 60 is provided at the lower end of the second injection unit main body 58.

  The bearing portion 70 is made of resin, and as shown in FIG. 12, a cylindrical cylindrical portion 72 having a cylindrical space S therein, and a convex portion 76 that protrudes upward from the upper surface of the cylindrical portion 72. I have.

  As shown in FIG. 14, the bearing portion 70 is inserted from below into the bearing insertion portion 48 of the projection portion 40, and the second injection portion main body 58 of the second injection portion 56 is inserted upward into the projection portion main body 42 to receive the bearing. The convex part 76 of the part 70 and the concave part 60 of the 2nd injection part main body 58 are fitted. Further, a bearing holding portion 78 for preventing the falling of the bearing portion 70 is attached to the bearing insertion portion 48 by contacting the bearing portion 70 from the lower side.

  As shown in FIG. 15, a slight gap G is provided between the inner peripheral surface of the second injection unit main body 58 and the flange portion 44 of the projection main body 42, and the projection main body extends from the gap G. The washing water jetted from the first jet holes 46 of 42 is jetted upward, and the ceiling wall 14 around the protrusion 40 can be washed.

  As shown in FIG. 14, the cylindrical inner surface 74 of the bearing portion 70 and the outer peripheral surface 52 of the protruding portion main body 42 are in contact with each other. When the second injection portion 56 rotates, the contact surface between the inner surface 74 of the bearing 70 and the outer peripheral surface 52 of the projection main body 42 becomes the sliding surface 54 on which the rotational sliding occurs. As described above, the rotation of the second injection portion 56 causes the resin bearing portion 70 and the metal protrusion main body 42 to slide, while the metal second injection portion main body 58 and the metal protrusion main body. In the case of No. 42, there is no gap because there is a gap G, so it does not slide.

  As shown in FIG. 4, the bottom wall 27 of the storage body 12 is inclined toward the center, and a water inlet 28 through which cleaning water is passed is provided in the center of the bottom wall 27. Yes. A drain strainer 29 for removing dust is provided at the water passage 28. The water flow port 28 communicates with the inside of the tank 114, and the wash water flowing from the water flow port 28 is stored in the tank 114. The tank 114 is provided with a heater 116, and the wash water stored in the tank 114 is heated to a predetermined temperature. By washing with the heated washing water in this way, it is easy to remove the dirt adhering to the interior.

  As shown in FIG. 4, the pump 122 is connected to one end of a second connection pipe 126 extending toward the upper surface of the ceiling wall 14 of the storage body 12.

  The other end of the second connection pipe 126 is connected to a T-shaped branch part 134 on the ceiling wall 14 as shown in FIGS. 2 and 6, and the T-shaped branch part 134 is further connected to the T-shaped branch part 134 as shown in FIG. The first injection unit 30 and the projection 40 are connected. Thereby, the wash water pumped from the pump 122 is supplied to the first injection unit 30 and the protrusion 40 through the second connection pipe 126.

  As shown in FIG. 3, the tank 114 is connected to the drain valve 136 via a third connection pipe 128. The drain valve 136 is closed during the cleaning operation and is opened after the completion of the cleaning operation. Thereby, after completion of the cleaning operation, the cleaning water stored in the tank 114 is discharged from the drain valve 136 to the outside.

  The drain valve 136 is closed during the cleaning operation and is opened after the completion of the cleaning operation. Thereby, after completion of the cleaning operation, the cleaning water stored in the tank 114 is discharged from the drain valve 136 to the outside.

  On the upper surface of the ceiling wall 14, as shown in FIG. 2, a water supply portion 138 which supplies cleaning water to the inside of the storage body 12 is provided.

  A flow for setting the detergent on the detergent tray 80 will be described. First, as shown in FIGS. 6 and 9, the protruding piece 100 of the tray main body 82 is brought into contact with the rotation stop wall 112, and the tray 86 is in the state in which the opening 86 faces upward (upper open state). The main body 82 is stopped.

  Next, as shown in FIG. 9, the detergent bottle 140 containing the detergent is brought close to the opening 86 of the tray main body 82, and the detergent is put into the tray main body 82. At this time, since the side wall 102 is provided on the side of the peripheral wall 88 of the tray main body 82, even if the detergent bottle 140 accidentally moves downward, the detergent bottle 140 hits the side wall 102. The detergent bottle 140 hits the tray body 82, and the tray body 82 is prevented from rotating and spilling the detergent.

  After the detergent is set in the detergent tray 80, the door of the storage body 12 is closed to start the cleaning operation, and a predetermined amount of cleaning water is supplied from the water supply unit 138 to the inside of the storage body 12. The supplied wash water is stored in the tank 114 at one end through the water outlet 28. The wash water stored in the tank 114 flows to the pump 122 and is pumped from the pump 122 to the first injection unit 30 and the protrusion 40.

  The wash water pumped to the first injection unit 30 is injected from the first nozzle 34, the second nozzle 36, and the third nozzle 38. The cleaning water sprayed from the third nozzle 38 passes through the circular hole 26 of the cover 22, hits the contact surface 96 of the tray main body 82, and the tray main body 82 rotates forward. As a result, the tray main body 82 is displaced from the dotted line position shown in FIG. 8 to the solid line position, and the detergent in the tray main body part 82 flows out from the opening 86 of the tray main body part 82.

  The detergent that has flowed out falls on the bottom wall 27 of the storage body 12, mixes with the washing water, and flows to the water storage tank 114 together with the washing water. The washing water mixed with the detergent flowing into the water storage tank 114 is heated to a predetermined temperature by the heater 116 and then flows into the pump 122. The washing water that has flowed to the pump 122 is pumped again to the first injection unit 30 and the projection 40. Thereby, the wash water mixed with the detergent is sprayed into the storage body 12 to clean the interior of the storage body 12.

  The washing water jetted from the projection 40 is jetted from the first jet hole 46 and the second jet hole 50 of the projection 40. The washing water jetted from the first jet hole 46 flows into the first nozzle pipe 62, the second nozzle pipe 64, and the third nozzle pipe 66 of the second jet unit 56, and is jetted from the respective fourth nozzles 68. Is done. Thereby, the 2nd injection part 56 rotates.

  Due to the rotation of the second injection unit 56, the cylindrical inner surface 74 of the bearing unit 70 and the outer peripheral surface 52 of the projection body 42 rotate and slide. At this time, since the bearing 70 is made of resin and the protrusion 40 is made of metal, in general, the resin has better slidability with metal compared to the metal sliding, so the sliding surface 54 wear is suppressed.

According to the present embodiment, the following actions and effects are achieved.
The storage 10 of the present embodiment includes a box-shaped storage body 12, a metal protrusion 40 projecting downward from the ceiling wall 14 of the storage body 12, and a metal-made first member rotatably inserted into the protrusion 40. A second injection unit (injection unit) 56 capable of injecting washing water, and a resin bearing unit 70 inserted rotatably and slidably in the projection 40; The second injection portion (injection portion) 56 and the bearing portion 70 are fitted, and the rotation of the second injection portion (injection portion) 56 causes the bearing portion 70 to rotate and slide relative to the projection 40 It has become.

  According to the present embodiment, in the configuration in which the water seal is formed on the sliding surface between the metals as in the prior art, the water seal cannot be formed because the viscosity of the water decreases when the temperature of the cleaning water rises, and the metal wear Has occurred. On the other hand, in the above configuration, the bearing portion 70 is fitted with the second injection portion (injection portion) 56 and rotates integrally with the second injection portion (injection portion) 56, and the resin bearing portion 70 is made of metal. It will slide with the projection part 40 of this. For this reason, in general, the resin is more slidable with the metal than the sliding of the metal, so that the temperature between the bearing portion 70 and the protrusion 40 is not limited regardless of the temperature rise of the washing water. The amount of wear on the sliding surface 54 does not increase. Therefore, since the temperature of the washing water can be raised more than in the conventional configuration, the dirt in the storage body 12 can be easily removed.

  The bearing portion 70 has a convex portion 76 that protrudes toward the second injection portion (injection portion) 56, and the second injection portion (injection portion) 56 has a concave portion 60 that can be fitted to the convex portion 76. The fitting of the second injection portion (injection portion) 56 and the bearing portion 70 may be performed by the fitting of the convex portion 76 and the concave portion 60.

  By providing a concave portion in the bearing portion 70 and providing a convex portion 76 in the second injection portion (injection portion) 56, the bearing portion 70 and the second injection portion (injection portion) 56 can be fitted.

  Moreover, the bearing part 70 has the cylinder space S, the cylinder inner surface 74 of the bearing part 70 and the outer peripheral surface 52 of the projection part 40 are in surface contact, and the contact surface of the bearing part 70 and the projection part 40 is The bearing portion 70 and the projection portion 40 may be configured as the sliding surface 54 on which the rotational sliding occurs.

  Even if the second injection portion (injection portion) 56 is inclined in a direction crossing the axial direction, the inner surface 74 of the bearing portion 70 and the outer periphery of the projection portion 40 that are fitted to the second injection portion (injection portion) 56. Since the surface 52 is in contact with the surface 52, the inclination of the second injection portion (injection portion) 56 is suppressed.

Other Embodiments
The present invention is not limited to the embodiments described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the present embodiment, the detergent tray 80 is configured to be attached to the front surface of the cover 22, but may be configured to be attached to another part such as the cooler case 16, for example.
(2) The second injection unit 56 of the present embodiment includes the first nozzle pipe 62 protruding from the second injection unit main body 58 in one direction and the second nozzle pipe 64 protruding in the direction opposite to the one direction. Although it is configured, any configuration may be used as long as it is configured to rotate and spray washing water, for example, a plurality of openings are provided on the outer periphery of the cylindrical second spray unit main body, and the second spray unit main body The cleaning water may be jetted from the opening while rotating.
(3) Although the storage 10 of the present embodiment is a rapid cooling cabinet, it may be a general refrigerator or a warm storage cabinet.

DESCRIPTION OF SYMBOLS 10 ... Storage 12 ... Storage body 14 ... Ceiling wall 40 ... Projection part 52 ... Outer peripheral surface 54 ... Sliding surface 56 ... 2nd injection part (injection part)
60 ... recessed part 70 ... bearing part S ... cylinder space 74 ... cylinder inner surface 76 ... convex part

Claims (3)

Box-like storage body,
A metal projection projecting downward from the ceiling wall of the storage body;
A metallic injection unit rotatably inserted into the projection, the injection unit being capable of injecting washing water;
And a resin bearing portion rotatably and slidably inserted into the projection.
The injection portion and the bearing portion are fitted;
The storage unit in which the bearing portion is rotationally slid relative to the protrusion portion by the rotation of the injection portion. The bearing portion has a convex portion projecting toward the injection portion,
The injection unit has a recess that can be fitted to the protrusion.
The storage according to claim 1, wherein the fitting between the injection part and the bearing part is performed by fitting the projection and the recess. The bearing has a cylindrical space;
The cylinder inner surface of the bearing portion is in contact with the outer peripheral surface of the protrusion portion at the surface,
The storage according to claim 1 or 2, wherein a contact surface between the bearing and the protrusion is a sliding surface on which the bearing and the protrusion rotate and slide.

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