JP4809946B2 - Ice storage detection unit mounting structure - Google Patents

Description

  The present invention relates to an ice storage detection unit mounting structure, and more particularly to an ice storage detection unit mounting structure for detecting an ice storage amount of an ice making machine.

  For example, in a so-called closed cell type injection type ice making machine, an ice storage detection unit is provided on the lower surface of a mounting member disposed above the ice storage, and the ice storage is filled with the ice storage detection unit. It comes to detect that. FIG. 6 is an explanatory diagram schematically showing a conventional ice storage detection unit mounting structure. The ice storage detection unit 10 is a lower surface of a mechanism frame (attachment member) 14 constituting the ceiling of the ice making machine body 12. Further, it can be attached via a screw 16. Specifically, an attachment bracket 20 having a flange 18 formed on one side is provided on the upper part of the ice storage detection unit 10, and a square hole portion 22 is opened in the mechanism frame portion 14. Then, the other side of the mounting bracket 20 is fixed to the mechanism frame portion 14 with the screw 16 in a state where the flange 18 of the mounting bracket 20 is locked to the edge portion of the square hole portion 22. The ice storage detection unit 10 is attached to the part 14.

The lead wire 24 led out from the ice storage detection unit 10 is guided to the upper surface side of the mechanism frame portion 14 through a notch 26 opened on the rear side of the mechanism frame portion 14. The lead wire 24 guided to the upper surface side of the mechanism frame portion 14 is connected via a connector terminal 30 to a lead wire 28 of a control unit (not shown) that performs overall operation control of the ice making machine. .
Japanese Patent Laid-Open No. 2002-364962

  By the way, when removing the ice storage detection unit 10 from the mechanism frame portion 14 during maintenance, it is not necessary to remove the ice storage detection unit 10 from the mechanism frame portion 14 after removing the mechanism frame portion 14 from the ice making machine main body 12. It takes time to work. Therefore, normally, the ice storage detection unit 10 is removed from the mechanism frame portion 14 via an ice take-out port (none of which is shown) of the ice storage located below the ice storage detection unit 10. However, since the ice storage detection unit 10 is screwed to the mechanism frame portion 14 as described above, the operator must remove the screw 16 by inserting his arm into the cabinet from the ice outlet. There was a difficulty that the work became very complicated. Further, since the lead wire 24 of the ice storage detection unit 10 is guided from the rear side of the mechanism frame portion 14 to the upper surface side, the lead wire 24 was removed from the lead wire 28 in addition to the removal operation of the ice storage detection unit 10 on the front side in the cabinet. Since it is necessary to pull out the lead wires 24 including the connector terminals 30 outside the chamber from the rear side of the mechanism frame portion 14 to the inside of the chamber, the work efficiency is further reduced.

  The lead wire 24 is wired from the front side of the mechanism frame portion 14 to the upper surface side, so that the work of pulling out the lead wire 24 from the rear side of the mechanism frame portion 14 can be omitted. It is necessary to provide another member for holding the lead wire 24 that hangs down, resulting in an increase in the number of parts and an increase in cost.

  Accordingly, the present invention has been proposed to solve this problem in view of the above-mentioned problems inherent in the conventional ice storage detection unit mounting structure, and can be easily attached to and detached from the mounting member, and the lead wire An object of the present invention is to provide an ice storage detection unit mounting structure that can perform wiring well.

In order to overcome the above-mentioned problems and achieve the intended purpose, the ice storage detection unit mounting structure of the invention according to claim 1 comprises:
A unit main body that is detachably attached to the lower surface of the mounting member facing the upper side of the ice storage inside the ice making machine main body, and is housed and held inside the unit main body, and detects that the inside of the ice storage is full. And an ice storage detection unit mounting structure including a detection unit that sends the detection signal to the operation control unit of the ice making machine via a lead wire,
A first locked portion provided in the unit body;
A space-like elastic member provided in the unit main body, defining a space portion that opens upward and laterally, and provided with a second locked portion;
A first locking portion and a second locking portion provided on the lower surface of the mounting member and spaced apart at a predetermined interval;
With the first locked portion of the unit body engaged with the first locking portion, the elastic member is elastically deformed to lock the second locked portion to the second locking portion. The ice storage detection unit is attached to the attachment member,
The lead wire led out from the detection unit is guided through the space of the elastic member.
According to the first aspect of the present invention, the ice storage detection unit can be easily attached to and detached from the mounting member by pressing the elastic member. Therefore, it is possible to attach and detach the ice storage detection unit simply by removing the front panel of the ice making machine. Further, since the lead wire is guided through the space portion of the elastic member, it is not necessary to provide another member for holding the lead wire, and an increase in cost can be suppressed.

In the ice storage detection unit mounting structure according to claim 2, the first locked portion is provided on the rear side of the unit main body, and has the space portion that opens to the left and right sides, and the second locked portion. The elastic member provided on the front side is disposed on the front side of the unit body, and is provided on the first locking portion and the second locking portion provided on the lower surface of the mounting member so as to be separated in the front-rear direction. On the other hand, the first locked portion and the second locked portion are engaged, and the lead wire is guided to the front surface side of the elastic member through the space portion.
According to the invention of claim 2, it becomes possible to attach the ice storage detection unit from the front side of the ice making machine, and work efficiency can be improved. In addition, the lead wire can be guided to the front side of the ice storage detection unit through the space portion, and wiring of the lead wire becomes easy.

In the ice storage detection unit mounting structure according to claim 3, a first notch for drawing and guiding the lead wire into the space portion is guided to a side edge portion of the elastic member, and the lead wire is drawn out from the space portion. And opened a second notch.
According to the invention of claim 3, since the first and second cutouts are provided in the elastic member, the lead wire can be reliably guided and the lead wire can be held in a bundled state.

  According to the mounting structure of the ice storage detection unit according to the present invention, the ice storage detection unit can be easily attached to and detached from the mounting member, and the lead wire can be efficiently wired.

  Next, a preferred embodiment of the ice storage detection unit mounting structure according to the present invention will be described below with reference to the accompanying drawings. In this embodiment, the ice storage detection unit mounting structure according to the present invention will be described in a case where it is adopted in a so-called closed cell type ice making machine. In the following description, front and rear, left and right, and top and bottom are designated based on the case where the ice making machine is viewed in the state shown in FIG.

  FIG. 1 is a partially cutaway front view of an injection type ice making machine 32 employing an ice storage detection unit mounting structure according to an embodiment. The ice making machine main body 34 of the jet type ice making machine 32 is a heat insulating box that opens upward and forward. The upper opening 36 is closed by a top plate 38, and the front opening 37 is formed by a front panel 39. It is detachably closed. A mechanism frame (attachment member) 40 is horizontally disposed inside the ice making machine main body 34 (hereinafter referred to as the inside), and an ice making unit having a large number of ice making chambers 42 on the lower surface of the mechanism frame 40. 44 is supported. Below the ice making section 44, an ice making tray 48, in which an ice making water tank 46 for storing ice making water is integrally formed, is supported so as to be tiltable with respect to the mechanism frame section 40 about a left tilting shaft 50. Thus, the ice making unit 44 is closed from below. When the ice tray 48 tilts downward during the deicing operation and opens the ice making section 44, the ice cubes produced in the ice making chambers 42 fall, and the ice storage defined below the ice making machine main body 34. 52 is stored. As shown in FIG. 1, an ice outlet (opening) 54 is opened in front of the ice storage 52 in the ice making machine body 34, and the ice outlet 54 is opened and closed by an opening / closing door 56.

  FIG. 2 is a schematic view of a part of the mechanism frame portion 40 as viewed from the bottom side. A pair of first locking portions 58 and 58 are spaced apart from each other by a predetermined distance on the lower surface of the mechanism frame portion 40. Arranged. Further, a second locking portion 60 is provided on the lower surface of the mechanism frame portion 40 at a position spaced forward in the middle between the first locking portions 58 and 58. Each first locking portion 58 is formed with a recess 62 that opens in the opposite direction and forward. On the other hand, as shown in FIG. 3, the second locking portion 60 extends downward from the lower surface of the mechanism frame portion 40, and the lower portion thereof is bent rearward to form a hook shape. An ice storage detection unit 64 for detecting that the ice stored in the ice storage 52 has reached a predetermined amount (full ice) is detachably attached to the first and second locking portions 58, 58, 60. It is done. As shown in FIG. 1, the ice storage detection unit 64 is attached so as to be located on the right side (opposite to the tilting shaft 50) of the ice making part 44 on the lower surface of the mechanism frame part 40.

  As shown in FIG. 4, the ice storage detection unit 64 includes a unit main body 66 that forms the base of the unit 64, a swinging member 68 that is swingably disposed below the unit main body 66, and a unit main body 66. The basic structure includes a detection unit 70 housed inside the unit body and an elastic member 72 attached to the front surface of the unit main body 66. A rectangular engaging plate 74 extending rearward with a required thickness is formed on the upper portion of the unit main body 66, and when the unit main body 66 is attached to the mechanism frame portion 40, the engagement plate 74 is attached to the mechanism frame portion 40. It comes in contact with the lower surface. The rear end side of the engagement plate 74 is an insertion portion (first locked portion) 76, and is inserted into the recesses 62, 62 of the first locking portions 58, 58 from the front side and locked. It is configured as follows. The vertical dimension of the engagement plate 74 (insertion portion 76) is set to a value slightly smaller than the vertical dimension of the recess 62 (see FIG. 3), and the width dimension of the left and right of the engagement plate 74 is set to both recesses. The distances 62 and 62 substantially coincide with each other (see FIG. 2).

  Inside the unit main body 66, a housing part 78 capable of housing the detection unit 70 is defined. The housing portion 78 is provided with a front surface opening portion 80 that opens forward and a side surface opening portion 82 that opens to the left (on the ice making portion 44 side), and a rectangular bottom surface opening portion 78 a at the bottom of the housing portion 78. Has been established. An attachment space 84 that can accommodate the upper portion of the swing member 68 is defined at the lower portion of the unit main body 66, and the attachment space 84 communicates with the accommodation portion 78 through the bottom surface opening 78a. Further, shaft holes 86 and 86 for supporting shaft portions 68a and 68a provided on the upper portion of the swing member 68 are formed on the front and rear surfaces of the unit main body 66 forming the mounting space 84 (see FIG. 4). (Only the front shaft hole 86 is shown). In the upper part of the front surface of the unit main body 66, engagement holes 88, 88 for detachably attaching the elastic member 72 are opened left and right.

  The detection unit 70 accommodated in the accommodation unit 78 of the unit main body 66 is connected to an operation control unit (not shown) that controls the operation of the jet ice making machine 32 via lead wires 90 and 90. The detection unit 70 is configured to be turned on when the ice storage 52 is full of ice, and to send an operation signal (detection signal) to the operation control unit. A switch lever 92 that gives an ON input to the detection unit 70 is rotatably provided on the front surface of the detection unit 70. When the detection unit 70 is installed in the housing 78, a switch lever 92 on the right side of the switch lever 92 is provided. A downward projecting contact portion 92 a provided at the end portion faces the bottom opening 78 a of the housing portion 78.

  The swing member 68 includes a lever portion 94 that is swingably supported by the unit main body 66, and a detection plate 96 that is locked to the lower portion of the lever portion 94. On the upper part of the lever part 94, the shaft parts 68a and 68a are projected and formed on the front and rear surfaces, and a cam-like part 98 curved so as to project upward is formed on the upper right side of the lever part 94. The lever portion 94 is configured to be swingably supported by the unit main body 66 by inserting the shaft portions 68a, 68a into the shaft holes 86, 86 from the inside of the mounting space 84. Further, when the upper portion of the lever portion 94 is pivotally supported in the mounting space 84, the cam-like portion 98 is aligned with the bottom opening 78a. When the lever portion 94 rotates counterclockwise in FIG. 1, the cam-like portion 98 faces the housing portion 78 through the bottom surface opening 78 a and pushes up the contact portion 92 a of the switch lever 92. The An annular piece 100 is formed below the lever portion 94, and the hook portion 96 a of the detection plate 96 can be locked to the annular piece 100. The detection plate 96 is pushed rightward by the ice as the ice is stored in the ice storage 52, and the lever portion 94 is swung counterclockwise in FIG. .

  The elastic member 72 is a bowl-shaped member obtained by molding a flexible metal plate or synthetic resin plate into a substantially U shape in a side view, and the elastic member 72 is open to the left and right and above. A guide space (space portion) 102 for guiding the lead wires 90 and 90 of the detection unit 70 is defined. The elastic member 72 can be elastically deformed by pressing the pressing surface portion 104 constituting the front surface of the elastic member 72 rearward. In the pressing surface portion 104, an engagement through hole (second locked portion) 104a is formed in which the second locking portion 60 of the mechanism frame portion 40 is engaged from the front side. The closing surface portion 106 constituting the rear surface of the elastic member 72 is configured to close the front opening 80 when the elastic member 72 is attached to the front surface side of the unit main body 66. A pair of engagement pieces 106 a and 106 a that are inserted and engaged with the engagement holes 88 and 88 provided in the front surface of the unit main body 66 are formed on the rear surface of the closing surface portion 106.

  Here, as shown in FIG. 2, the separation distance from the rear end of the insertion portion 76 of the unit main body 66 to the front surface of the elastic member 72 (that is, the front surface of the pressing surface portion 104) is the first locking portion. The distance between the rear ends of the concave portions 62 and 62 of the 58 and 58 and the rear surface of the second locking portion 60 is set to a value that substantially matches. Therefore, when the ice storage detection unit 64 is attached to the mechanism frame portion 40, the unit body 66 and the elastic member 72 are arranged between the first and second locking portions 58 and 60 by elastically deforming the elastic member 72 rearward. (See FIG. 3 (c)). The guide space 102 of the elastic member 72 is closed by the mechanism frame portion 40 when the elastic member 72 is attached to the mechanism frame portion 40.

  As shown in FIG. 5, a first notch 108 for introducing the lead wires 90, 90 of the detection unit 70 into the guide space 102 is formed at the left edge of the closed surface portion 106 of the elastic member 72. At the same time, a second notch 110 is formed at the right edge of the pressing surface 104 to feed the lead wires 90, 90 passing through the guide space 102 to the front side in the cabinet. That is, the lead wires 90 and 90 of the detection unit 70 are once led out into the cabinet through the side opening 82 of the storage unit 78 and then drawn into the guide space 102 from the first cutout 108. Further, the elastic member 72 is pulled out from the guide space 102 via the second notch 110. The first and second cutouts 108 and 110 have a function of engaging and holding the lead wires 90 and 90 when the lead wires 90 and 90 are received.

(Operation of Example)
Next, the operation of the mounting structure of the ice storage detection unit according to the embodiment will be described. First, when the members of the ice storage detection unit 64 are assembled, the detection unit 70 is accommodated in the accommodation unit 78 of the unit main body 66. Next, the lever portion 94 is inserted into the mounting space 84, the shaft portions 68a and 68a are pivotally supported in the shaft holes 86 and 86 of the unit main body 66, and the lever portion 94 is swingably supported by the unit main body 66. To do. Further, the engagement pieces 106 a and 106 a of the elastic member 72 are engaged with the corresponding engagement holes 88 and 88 of the unit main body 66, and the elastic member 72 is attached to the front surface of the unit main body 66. At this time, the closing surface portion 106 of the elastic member 72 closes the front opening 80 of the housing portion 78, and the detection portion 70 is housed and held in the housing portion 78. In addition, the lead wires 90 and 90 of the detection unit 70 are drawn out of the storage unit 78 through the side opening 82 of the storage unit 78. Next, the hook portion 96a of the detection plate 96 is engaged with the annular piece 100 of the lever portion 94, and the assembly of the ice storage detection unit 64 is completed.

  When the ice storage detection unit 64 is attached to the mechanism frame portion 40, as shown in FIG. 3A, the insertion portion 76 of the unit body 66 is connected to the first locking portions 58, 58 of the mechanism frame portion 40. Insert into the recesses 62, 62. Next, the pressing surface portion 104 of the elastic member 72 is pressed backward to elastically deform the elastic member 72 (FIG. 3B). Then, as shown in FIG. 3C, the ice storage detection unit 64 (unit main body 66 and elastic member 72) is exposed between the first and second locking portions 58 and 60 while the elastic member 72 is elastically deformed. The second locking portion 60 is inserted from the front side into the engagement through hole 104a provided in the pressing surface portion 104 of the elastic member 72. In this state, when the pressing to the pressing surface portion 104 is released, the elastic member 72 is elastically restored, and the second locking portion 60 is engaged with the engaging through hole 104a. In this way, the ice storage detection unit 64 is attached to the lower surface of the mechanism frame 40 as shown in FIG. Thus, according to the mounting structure of the ice storage detection unit 64 according to the embodiment, it is possible to easily attach the ice storage detection unit 64 to the mechanism frame portion 40 only by pressing the elastic member 72.

  Next, the lead wires 90 and 90 of the detection unit 70 led out from the side opening 82 of the unit main body 66 are drawn into the guide space 102 of the elastic member 72. That is, the lead wires 90 and 90 are drawn into the guide space 102 through the first notch 108 provided in the closing surface portion 106. Then, the lead wires 90 passing through the guide space 102 are drawn out to the front side of the pressing surface portion 104 through the second notch 110 provided in the pressing surface portion 104. In this way, as shown in FIG. 5, the lead wires 90, 90 of the detection unit 70 can be pulled out to the front side of the ice storage detection unit 64 in the warehouse, and wiring work is extremely easy. Moreover, the lead wires 90 and 90 can be guided while being reliably held by the notches 108 and 110 of the elastic member 72. Before the ice storage detection unit 64 is attached to the mechanism frame 40, the lead wires 90 and 90 are engaged with the first and second cutouts 108 and 110 in advance to be guided to the guide space 102. The ice storage detection unit 64 may be attached to the mechanism frame portion 40.

  When removing the ice storage detection unit 64 from the mechanism frame 40, the procedure is reversed. That is, the first and second cutouts 108 and 110 are disengaged from the lead wires 90 and 90, and the lead wires 90 and 90 are pulled out from the guide space 102. Then, the pressing surface portion 104 of the elastic member 72 is pressed to release the engagement of the engagement through-hole 104a and the second locking portion 60, and the ice storage detection unit 64 is pulled out to the front side in the refrigerator, thereby the ice storage detection unit 64. Is removed from the mechanism frame 40. In this way, the ice storage detection unit 64 can be detached from the mechanism frame portion 40 by pressing the elastic member 72 from the front side in the cabinet. As for the above procedure, after the ice storage detection unit 64 is removed from the mechanism frame 40 in advance, the guidance of the lead wires 90 and 90 by the guide space 102 and the first and second cutouts 108 and 110 is canceled. Also good.

  As described above, according to the ice storage detection unit mounting structure according to the embodiment, the ice storage detection unit 64 can be easily attached and detached with one touch. Therefore, the front panel 39 can be removed from the ice making machine main body 34 and the ice storage detection unit 64 can be attached and detached from the inside of the warehouse via the front opening 37 without removing the top plate 38 of the jet ice making machine 32. Moreover, since the lead wires 90 and 90 of the detection part 70 can be pulled out to the front side of the ice storage detection unit 64, the lead wires 90 and 90 can be wired smoothly. Further, since the first and second cutouts 108 and 110 for guiding the lead wires 90 and 90 are provided in the elastic member 72, the lead wires 90 and 90 can be reliably guided in a state of being held in a bundle. There is no need to separately provide a member for guiding the lead wires 90 and 90.

  In the embodiment, the case where the ice storage detection unit 64 is attached to the jet ice making machine 32 is shown. However, the ice making machine is not limited to the embodiment, and the ice storage detection unit 64 is provided above the ice storage 52. The present invention can be applied to any type of ice making machine as long as it can be arranged to face. In the embodiment, the ice storage detection unit 64 is attached to the mechanism frame portion 40 that supports the ice making portion 44 and the like. However, the attachment member of the ice storage detection unit 64 is not limited to the mechanism frame portion 40. For example, you may make it attach directly to the top plate 38 of an ice machine.

  Further, the configurations of the unit main body 66 and the swing member 68 of the ice storage detection unit 64 are not limited to those shown in the embodiments, and can be appropriately changed. In addition, the engagement structure of the first locking portions 58, 58 and the insertion portion 76, the second locking portion 60, and the engagement through hole 104a described in the embodiment is an example, and other engagement structures are shown. A combined structure can be adopted as appropriate. For example, the first locked portion (insertion portion 76) is formed in a concave shape and convex with the first locking portion 58, and the first locked portion 58 is inserted into and engaged with the first locked portion. It can be configured.

It is a front view which shows a partial fracture of an injection type ice making machine that employs an ice storage detection unit mounting structure according to an embodiment. It is a schematic explanatory drawing which shows the bottom face side of a mechanism frame part. It is a schematic explanatory drawing which shows a mode that the ice storage detection unit which concerns on an Example is attached to a mechanism frame part, (a) shows the state which inserts an insertion part in a 1st latching | locking part, (b) presses an elastic member (C) shows a state in which the unit main body and the elastic member are placed between the first and second engaging portions, and (d) shows that the elastic member is elastically restored and engaged with the second engaging portion. The combined state is shown. It is a disassembled perspective view which shows the ice storage detection unit which concerns on an Example. It is a perspective view which shows the wiring structure of an ice storage detection unit. It is an expanded sectional view which shows the attachment structure of the conventional ice storage detection unit.

Explanation of symbols

34 Ice Maker Main Body, 40 Mechanism Frame (Mounting Member), 52 Ice Storage 58 First Locking Part, 60 Second Locking Part, 64 Ice Storage Detection Unit 66 Unit Main Body, 68a Shaft Part, 70 Detection Part, 72 Elastic Member 76 Insertion part (first locked part), 90 lead wire, 102 Guide space (space part)
104a engagement through hole (second locked portion), 108 first notch 110 second notch

Claims (3)

Inside the ice making machine body (34), a unit body (66) removably attached to the lower surface of the mounting member (40) facing above the ice storage (52), and is housed and held inside the unit body (66). A detection unit (70) for detecting that the inside of the ice storage (52) is full of ice and sending the detection signal to the operation control unit of the ice making machine via the lead wire (90). The ice storage detection unit (64) mounting structure,
A first locked portion (76) provided in the unit body (66);
A space-like elastic member (72) disposed in the unit main body (66), defining a space (102) that opens upward and laterally, and provided with a second locked portion (104a). )When,
A first locking portion (58) and a second locking portion (60) provided on the lower surface of the mounting member (40) and spaced apart at a predetermined interval;
With the first locked portion (76) of the unit body (66) engaged with the first locking portion (58), the elastic member (72) is elastically deformed to cause the second locking portion. By locking the second locked portion (104a) to (60), the ice storage detection unit (64) is mounted to the mounting member (40),
A structure for mounting an ice storage detection unit, wherein the lead wire (90) led out from the detection unit (70) is guided through the space (102) of the elastic member (72).   The first locked portion (76) is provided on the rear side of the unit main body (66), and has the space portion (102) that opens to both the left and right sides, and the second locked portion (104a). The elastic member (72) provided on the front side is disposed on the front side of the unit body (66), and is provided on the lower surface of the mounting member (40) so as to be separated in the front-rear direction. The first locked portion (76) and the second locked portion (104a) are engaged with the locking portion (58) and the second locking portion (60), and the lead wire (90) The ice storage detection unit mounting structure according to claim 1, wherein the structure is guided to the front side of the elastic member (72) through the space (102).   A first notch (108) for drawing and guiding the lead wire (90) into the space portion (102) at a side edge of the elastic member (72), and a space portion (102 of the lead wire (90) 3. The ice storage detection unit mounting structure according to claim 1 or 2, wherein a second notch (110) for guiding a drawer from the first is opened.

Images