JP4188313B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator configured to open and close a front surface of a storage room based on a drawer operation and a push-in operation of a door.

Some refrigerators have a structure in which a left rib and a right rib are provided on the lower surface of a storage container, and one rail is inserted into a gap between the left rib and the right rib. This rail is provided on the bottom plate of the storage chamber and suppresses rattling in the left-right direction when the storage container is pulled forward based on contacting the left and right ribs with the left and right sides of the rail. ing.
JP-A-9-280727

  In the case of the above conventional configuration, the left and right ribs contact the left side and right side of the rail to the extent that the operation direction slightly deviates to the left and right when the storage container starts to be pulled out. There is a risk of hindering smooth pull-out operation.

  This invention is made | formed in view of the said situation, The objective is to provide the refrigerator which can suppress the rattling of the left-right direction when pulling out a door ahead, without causing the fall of drawer | drawing-out operativity.

The refrigerator of the present invention has a storage chamber whose front surface is open, a support for supporting a storage container into which food is charged, a support that is provided in the storage chamber so as to be movable in the front-rear direction, and that is removed from the storage chamber. A door that is provided in the support so as to move in the front-rear direction together with the support, and that moves from a closed state in which the front surface of the storage chamber is closed by a pull-out operation to an open state in which the front surface of the storage chamber is opened. The left guide portion provided on the bottom plate of the storage chamber is inclined so that the distance from the left guide portion is reduced in response to the door being pulled out from the closed state to the open state. Whether the support is in the storage chamber based on the left rail part and the door being pulled forward from the open state provided at the front part of the left rail part. Left that is opposed to the left guide portion from the side when being extracted, and that is inclined so that a separation distance from the left guide portion is increased in accordance with the extraction operation of the door forward from the open state. A taper rail part, a right guide part provided in the support, and a separation from the right guide part provided on the bottom plate of the storage chamber when the door is pulled out from the closed state to the open state. When the support is withdrawn from the storage chamber based on a right rail portion that is inclined so as to reduce the distance, and a door that is provided at a front portion of the right rail portion and is pulled out from the open state. The right distance between the right guide portion and the right guide portion when the door is pulled out from the open state to the front. And a characterized in that with the right Tepareru portion inclined so increases.

When the door is pulled forward, the left and right guide parts of the support can contact the left and right rail parts from the side from the start to the end of the pull-out operation. Is suppressed from the start to the end of the drawer operation. In addition, as the door moves forward, the separation dimension between the left guide part and the left rail part is narrowed, and the separation dimension between the right guide part and the right rail part is narrowed. For this reason, the left guide part does not come into contact with the left rail part and the right guide part does not come into contact with the right rail part when the operation direction slightly deviates left and right when the door starts to be pulled out. Is prevented.
Since the right guide portion and the left guide portion can come into contact with the right taper rail portion and the left taper rail portion from the side when the door is removed, rattling of the door in the left-right direction is suppressed. In addition, the separation distance between the right guide portion and the right taper rail portion is increased as the extraction operation proceeds, and the separation distance between the left guide portion and the left taper rail portion is increased as the extraction operation proceeds. For this reason, the catching in the middle of extraction of a door is prevented.

  The cabinet 1 in FIG. 1 has a rectangular box shape with an open front, and as shown in FIG. 2, a heat insulating material 4 is filled between a metal outer box 2 and a synthetic resin inner box 3. It is configured. As shown in FIG. 1, a horizontal upper partition plate 2, a horizontal middle partition plate 3, and a horizontal lower partition plate 4 are fixed in the cabinet 1, and the upper partition plate 2, the middle partition plate 3, A vertical vertical partition plate 5 is fixed between them. The upper partition plate 2 to the vertical partition plate 5 are filled with a heat insulating material 7 in a partition case 6 made of a synthetic resin having a hollow shape, as shown in FIG. 2 representatively of the middle partition plate 3 and the vertical partition plate 5. As shown in FIG. 1, a refrigerating chamber 8 is formed above the upper partition plate 2 and is positioned below the lower partition plate 4 in the cabinet 1. A freezer compartment 9 is formed, and a vegetable compartment 10 is formed between the middle partition plate 3 and the lower partition plate 4.

  An ice making chamber 11 corresponding to a storage chamber is formed in the cabinet 1. The ice making chamber 11 refers to a space formed between the left side plate of the cabinet 1, the upper partition plate 2, the vertical partition plate 5, and the middle partition plate 3, and is disposed above the vegetable chamber 10. . A select chamber 12 corresponding to a storage chamber is formed on the right side of the ice making chamber 11. This select chamber 12 refers to a space formed between the right side plate of the cabinet 1, the upper partition plate 2, the vertical partition plate 5 and the middle partition plate 3, and is disposed above the vegetable compartment 10. .

  A refrigerating room evaporator is disposed in the cabinet 1 behind the refrigerating room 8, and cold air is supplied into the refrigerating room 8 from the refrigerating room evaporator. The refrigerator compartment 8 is connected to the vegetable compartment 10 through a vegetable compartment duct, and cold air is supplied into the vegetable compartment 10 from the inside of the refrigerator compartment 8 through the vegetable compartment duct. That is, the refrigerating room 8 and the vegetable room 10 can be cooled to a refrigerating temperature zone based on the supply of cold air from a common refrigerating room evaporator.

  A freezer compartment evaporator is disposed in the cabinet 1 behind the vegetable compartment 10, and cold air is supplied into the freezer compartment 9 from the freezer compartment evaporator. The freezing room 9 is connected to the ice making room 11 and the select room 12 through the ice making room duct and the select room duct, and the ice making room duct and the select room are inserted into the ice making room 11 and the select room 12 from the inside of the freezing room 9. Cold air is supplied through the duct. That is, the freezer compartment 9, the ice making compartment 11, and the select compartment 12 can be cooled to a freezing temperature zone based on the supply of cold air from a common freezer compartment evaporator.

  The cabinet 1 is equipped with a refrigerator compartment door 13, a freezer compartment door 14, and a vegetable compartment door 15. The refrigerator compartment door 13 is pivotable about a vertical axis, and the front surface of the refrigerator compartment 8 is opened and closed based on the pivot operation of the refrigerator compartment door 13. The freezer compartment door 14 and the vegetable compartment door 15 are movable in the front-rear direction, and the freezer compartment door 14 and the vegetable compartment door 15 are moved in the front-rear direction on the front face of the freezer compartment 9 and the front face of the vegetable compartment 10. It is opened and closed based on that.

  An ice making room door 16 and a select room door 17 are mounted on the cabinet 1. The ice chamber door 16 and the select chamber door 17 are configured by filling a heat insulating material 19 in a hollow synthetic resin door case 18 as shown in FIG. 3 as representative of the select chamber door 17. It opens and closes the front surface of the ice making chamber 11 and the front surface of the select chamber 12 based on the movement in the front-rear direction. The ice making room door 16 and the select room door 17 are mounted on the cabinet 1 with the same mounting structure. Hereinafter, the ice making room door 16 mounting structure and the selection room door 17 mounting structure are representative of the selection room door 17. To explain.

  As shown in FIG. 2, a synthetic resin guide member 21 is fixed to the cabinet 1. The guide member 21 extends linearly in the front-rear direction, and a guide recess 22 is formed in the guide member 21. On the left side of the guide recess 22, a guide recess 23 is disposed so as to face the select chamber 12. The guide recess 23 is formed in the vertical partition plate 5 and extends linearly in the front-rear direction.

  As shown in FIG. 4, a metal right support 24 and a metal left support 25 are fixed to the rear surface of the select chamber door 17. Each of the right support 24 and the left support 25 has a horizontal floor portion 26 and a vertical wall portion 27, and a synthetic resin rear support 28 is fixed to the right support 24 and the left support 25. The rear support 28 connects the rear end portion of the right support 24 and the rear end portion of the left support 25 and has a horizontal floor portion 29 and a vertical wall portion 30.

In a space surrounded by the right support 24, the left support 25, and the rear support 28, as shown in FIG. 2, a basket 31 corresponding to a storage container is stored, and the basket 31 is a floor portion of the right support 24. 26 and the floor portion 26 of the left support 25 and the floor portion 29 of the rear support 28, so that the vertical position is restricted, and the wall portion 27 of the right support 24, the wall portion 27 of the left support 25, and the rear support. The position is regulated in the horizontal direction based on being surrounded by 28 wall portions 30. The basket 31 is used to put food, and is pulled out from the select chamber 12 based on the selection chamber door 17 being pulled out to the front open position, and the select chamber door 17 is pushed into the rear closed position. It is stored in the select chamber 12 based on the operation. That is, the right support 24, the left support 25, and the rear support 28 constitute a support 32 (see FIG. 4) that supports the storage container.

  The rear support 28 is formed with a right slide portion 33 and a left slide portion 34. As shown in FIG. 2, the right slide portion 33 and the left slide portion 34 are formed in a columnar shape protruding rightward and leftward from the right support 24 and the left support 25. 23 is slidably inserted. The right slide portion 33 and the left slide portion 34 regulate the sliding direction of the right support 24 and the sliding direction of the left support 25 in the front-rear direction based on contact with the inner surface of the guide recess 22 and the inner surface of the guide recess 23. Yes, regardless of whether the select chamber door 17 is opened or closed, it is located in the guide recess 22 and in the guide recess 23. That is, the support 32 is mounted in the select chamber 12 so as to be movable in the front-rear direction, and the select chamber door 17 opens and closes the front surface of the select chamber 12 based on the movement in the front-rear direction integrally with the support 32. To do.

  As shown in FIG. 4, a right roller 35 and a left roller 36 are attached to the middle partition plate 3. The right roller 35 and the left roller 36 are both rotatable about a horizontal shaft 37 and are arranged at the front end portion in the select chamber 12. The floor portion 26 of the right support 24 and the floor portion 26 of the left support 25 are placed on the right roller 35 and the left roller 36, and when the select chamber door 17 moves, the right support 24 and the left support 25 The right roller 35 and the left roller 36 rotate based on the driving force transmitted to the right roller 35 and the left roller 36.

  The rear support 28 is formed with a right guide portion 38 and a left guide 39. The right guide portion 38 and the left guide portion 39 have a vertical plate shape that extends straight in the front-rear direction, and are arranged in parallel to the counterpart side. That is, the distance between the right guide portion 38 and the left guide portion 39 is set to be constant.

  As shown in FIG. 5, the middle partition plate 3 is formed with a right rail portion 40 and a left rail portion 41 located in the select chamber 12. The right rail portion 40 and the left rail portion 41 have a vertical plate shape, and the right guide portion 38 and the left guide portion 39 of the rear support 28 are as shown in FIGS. 2 (a) and 2 (b). Regardless of whether the select chamber door 17 is closed or opened, it faces the right side of the right rail 40 and the left side of the left rail 41 in a non-contact state.

  As shown in FIG. 5, both the right rail portion 40 and the left rail portion 41 are inclined so as to approach the other side as they move backward, and the separation distance between the right rail portion 40 and the left rail portion 41. Is set to narrow toward the rear. That is, the separation distance between the right guide portion 38 and the right rail portion 40 decreases as the select chamber door 17 moves forward. The separation distance between the right guide portion 38 and the right rail portion 40 is shown in FIG. As shown in FIG. 2, the maximum value is obtained when the select chamber door 17 is closed, and the minimum value is obtained when the select chamber door 17 is opened as shown in FIG. The separation distance between the left guide portion 39 and the left rail portion 41 decreases as the select chamber door 17 moves forward. The separation distance between the left guide portion 39 and the left rail portion 41 is determined when the select chamber door 17 is closed. It becomes maximum and becomes minimum when the select chamber door 17 is opened.

  As shown in FIG. 5, a right tapered rail portion 42 and a left tapered rail portion 43 are formed at the front end portion of the right rail portion 40 and the front end portion of the left rail portion 41. Both the right taper rail portion 42 and the left taper rail portion 43 are inclined away from the other side as they move backward, and the separation distance between the right taper rail portion 42 and the left taper rail portion 43 increases as it moves backward.

  The right taper rail portion 42 and the left taper rail portion 43 are configured so that the right guide portion 38 and the left guide portion 39 of the rear support 28 face each other in a non-contact state from the right side and the left side when the select chamber door 17 is attached and detached. The attachment / detachment of the chamber door 17 means that the right slide portion 33 and the left slide portion 34 of the rear support 28 are removed from the guide recess 22 and the guide recess 23 or inserted into the guide recess 22 and the guide recess 23. ing. That is, when the select chamber door 17 is removed from the select chamber 12 by pulling it forward from the open position, the separation distance between the right guide portion 38 and the right taper rail portion 42 increases as the removal operation proceeds, and the left guide portion The separation distance between 39 and the left tapered rail portion 43 increases as the removal operation proceeds. Further, when the select chamber door 17 is mounted, the separation distance between the right guide portion 38 and the right tapered rail portion 42 becomes smaller as the mounting operation proceeds, and the separation distance between the left guide portion 39 and the left tapered rail portion 43 is mounted. It becomes smaller as the progress of.

According to the said Example 1, there exists the following effect.
Regardless of opening and closing of the select chamber door 12, the right guide portion 38 and the left guide portion 39 of the support 32 are opposed to the right side of the right rail portion 40 and the left side of the left rail portion 41 in a non-contact state. Therefore, when the select chamber door 12 is pulled forward, the right guide portion 38 and the left guide portion 39 come into contact with the right rail portion 40 and the left rail portion 41 from the right side and the left side from the start to the end of the pull-out operation. Therefore, rattling of the select chamber door 12 in the left-right direction is suppressed from the start to the end of the drawer operation. In addition, the separation dimension between the right guide part 38 and the right rail part 40 is narrowed and the separation dimension between the left guide part 39 and the left rail part 41 is narrowed as the select chamber door 12 moves forward. Therefore, the right guide portion 38 does not contact the right rail portion 40 and the left guide portion 39 contacts the left rail portion 41 to the extent that the operation direction slightly deviates left and right when the select chamber door 12 is pulled out from the closed state. Therefore, a drop in the pull-out operability of the select chamber door 12 is prevented.

  A right tapered rail portion 42 and a left tapered rail portion 43 are provided in front of the right rail portion 40 and in front of the left rail portion 41. Therefore, when the select chamber door 12 is removed, the right guide portion 38 and the left guide portion 39 can come into contact with the right tapered rail portion 42 and the left tapered rail portion 43 from the right side and the left side. Twelve left-right backlash is suppressed. In addition, the separation distance between the right guide portion 38 and the right taper rail portion 42 is increased as the extraction operation proceeds, and the separation distance between the left guide portion 39 and the left taper rail portion 43 is increased as the extraction operation proceeds. For this reason, the right guide portion 38 and the left guide portion 39 do not easily hit the right tapered rail portion 42 and the left tapered rail portion 43 while the select chamber door 12 is being removed, so that the selection chamber door 12 is prevented from being caught.

  As shown in FIG. 6, a semicircular right protrusion 51 is formed in the right guide portion 38 of the rear support 28 at the front end portion and the rear end portion. These right protrusions 51 face the right rail part 40 in a non-contact state from the right regardless of whether the select chamber door 17 is opened or closed. The separation distance between the right protrusion 51 and the right rail part 40 is the select chamber. The door 17 narrows as it moves forward.

  The left guide portion 39 of the rear support 28 is formed with a semi-circular left protrusion 52 located at the front end portion and the rear end portion. These left protrusions 52 face the left rail 41 in a non-contact state from the left regardless of whether the select chamber door 17 is opened or closed. The separation distance between the left protrusion 52 and the left rail 41 is the select chamber. The door 17 narrows as it moves forward.

  According to the second embodiment, the right protrusion 51 and the left protrusion 52 are provided on the right guide portion 38 and the left guide portion 39. For this reason, when the operation direction is shifted to the left or right while the select chamber door 17 is being pulled out, the right guide portion 38 and the left guide portion 39 are locally connected to the right rail 40 and the left rail 41 by the right protrusion 51 and the left protrusion 52. Since it comes in contact, it becomes difficult to catch the select chamber door 17.

  As shown in FIG. 7, the middle partition plate 3 is formed with a protrusion 61 located in the select chamber 12. An inclined right rail portion 40 and a right tapered rail portion 42 are formed on the right side surface of the protrusion 61, and the right guide portion 38 of the rear support 28 is connected to the right rail portion 40 regardless of whether the select chamber door 17 is opened or closed. Opposing from the right in a non-contact state. An inclined left rail portion 41 and a left tapered rail portion 43 are formed on the left side surface of the protrusion 61, and the left guide portion 39 of the rear support 28 is connected to the left rail portion 41 regardless of whether the select chamber door 17 is opened or closed. Opposite from the left in a non-contact state.

  In the first to third embodiments, the right guide portion 38 and the left guide portion 39 of the rear support 28 are not connected to the right rail portion 40 and the left rail portion 41 from the right side and the left side when the select chamber door 17 is opened. Although it was made to oppose in a contact state, it is not limited to this, For example, you may make it oppose in a contact state. That is, the separation distance between the right guide portion 38 and the right rail portion 40 is set to “0” while the selection chamber door 17 is opened, and the separation distance between the left guide portion 39 and the left rail portion 41 is set to “0”. You may do it.

  In the said Example 1- Example 3, although this invention was applied to the ice making room door 16 and the selection room door 17, it is not limited to this, For example, it applies to the freezer compartment door 14, or a vegetable room door 15 may be applied.

The figure which shows Example 1 (The figure which shows the external appearance of a refrigerator) (A) is sectional drawing which shows the attachment structure of a selection chamber door in a closed state, (b) is sectional drawing which shows the attachment structure of a selection chamber door in an open state Sectional view showing the select chamber door mounting structure in the closed state Perspective view showing the mounting structure of the select chamber door in an extracted state Diagram showing the partition plate The figure which shows Example 2 (The figure which shows a left guide part and a right guide part) The figure which shows Example 3 (the figure which shows a partition plate)

Explanation of symbols

  11 is an ice making room (storage room), 12 is a selection room (storage room), 16 is an ice making room door (door), 17 is a selection room door (door), 31 is a basket (storage container), 32 is support, 38 is The right guide portion, 39 is the left guide portion, 40 is the right rail portion, and 41 is the left rail portion.

Claims (1)

A storage room with an open front;
Supports a storage container into which food is charged, and is provided in the storage chamber so as to be movable in the front-rear direction and withdrawn from the storage chamber ;
A door that is provided in the support so as to move in the front-rear direction together with the support, and that moves from a closed state that closes the front surface of the storage chamber by a pull-out operation to an open state that opens the front surface of the storage chamber ;
A left guide part provided on the support,
A left rail portion that is provided on a bottom plate of the storage chamber and is inclined so that a separation distance from the left guide portion is reduced in response to the door being pulled out from the closed state toward the open state;
Provided in the front part of the left rail part and facing the left guide part from the side when the support is withdrawn from the storage chamber based on the door being pulled out from the open state. A left taper rail portion that is inclined so that a separation distance from the left guide portion is increased in response to the door being pulled forward from the open state;
A right guide provided on the support;
A right rail portion that is provided on a bottom plate of the storage chamber and is inclined so that a separation distance from the right guide portion is reduced in response to the door being pulled out from the closed state toward the open state;
Provided at the front part of the right rail part and facing the right guide part from the side when the support is withdrawn from the storage chamber based on the door being pulled out from the open state. A refrigerator comprising a right tapered rail portion that is inclined so that a distance from the right guide portion is increased when the door is pulled forward from the opened state .

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