JP2006010124A - refrigerator - Google Patents

Abstract

A refrigerator having a handle with good operability that can be opened with a light force even when pushed or pulled.
A handle comprising a shaft plate, an elastic member, a grip part, and two abutting parts, and when the grip part is pulled forward, the grip part has a rotating shaft. As a fulcrum, the door can be lightly opened by rotating together with the rotary shaft 13B in the position restricting portion 10 and the contact portion 14B pushing the opening flange 15. When the grip portion 7 is pushed rearward, the grip portion 7 can rotate with the rotary shaft 13A in the position restricting portion 10 with the rotary shaft 13B as a fulcrum, and the contact portion 14A pushes the opening flange 15 so that the door can be opened lightly.
[Selection] Figure 4

Description

  The present invention relates to a refrigerator having a handle with reduced door opening force.

  Conventionally, this kind of door opening mechanism for reducing the force when opening the door is easy by providing a handle unit at the upper front of the door and moving the lever forward by pulling the handle toward the front. There has been proposed a technique in which the door is opened after being peeled off from the edge (see, for example, Patent Document 1).

FIG. 6 shows a conventional refrigerator door opening mechanism described in Patent Document 1. As shown in FIG. As shown in FIG. 6, the handle 100, the shaft rotating portion 101, the lever 102, one abutting portion 103, and the coil spring 104 are configured. 102 moves in the direction of the front opening, and the contact portion 103 pushes the front opening of the refrigerator to open the door.
JP 2001-50645 A

  However, in the above conventional configuration, the door can be opened only by pulling the handle toward the front, and thus there is a problem that the door cannot be opened and closed when both hands are blocked.

  The present invention solves the above-described conventional problems, and an object of the present invention is to provide a refrigerator door handle that can be opened lightly not only by pulling the handle forward but also by pushing backward.

  In order to solve the above-described conventional problems, the refrigerator of the present invention includes a heat insulating box having a front opening, a door attached to the opening so as to be openable and closable, a movable handle provided on the door, A contact member that contacts the flange of the front opening in conjunction with the operation of the handle and opens the door on the basis of the lever principle, the handle has two rotating shafts, and the handle is pulled. Even when the case is pushed, the door can be opened by the operation of the contact member.

  Thus, the door can be opened lightly not only by pulling the handle toward the front but also by pushing the handle backward.

  The refrigerator of the present invention not only opens the door by pulling the handle toward you, but also allows the door to be opened lightly by pushing the handle rearward, so that the door can be opened and closed even when both hands are blocked, improving usability Can be planned.

  According to the first aspect of the present invention, there is provided a heat insulating box having a front opening, a door attached to the opening so as to be openable and closable, a movable handle provided on the door, and an operation of the handle. A contact member that contacts the flange of the front opening and opens the door on the principle of leverage, and the handle has two rotating shafts, whether the handle is pulled or pushed Since the door can be opened by the operation of the abutting member, the door can be opened lightly not only by pulling the handle forward but also by pushing the handle backward, so that both hands are blocked. However, the door can be opened and closed, improving usability.

  According to a second aspect of the present invention, in the first aspect of the invention, when two abutting members are provided and the handle is pulled, the rotary shaft on the side closer to the power point of the handle is used as a fulcrum and connected to the rotary shaft on the far side. When the handle is pushed, when the handle is pushed, the contact point connected to the near rotation shaft is the action point and the door is opened by using the rotation shaft far from the force point of the handle as a fulcrum. Thus, it is possible to operate in both the front and rear directions with a simple mechanism having a small number of parts.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, an elastic member is provided on the handle, and the rotation shaft of the handle can be freely moved by the elastic member, and the handle is moved to a normal position. By returning, the operation start position at the time of use is kept constant, the rotation shaft is smoothly moved, and usability is improved.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the shaft position restricting portion of the rotating shaft of the handle is provided corresponding to each rotating shaft, so that both the front and rear directions are provided. The operation of the contact member corresponding to the operation is possible with a simple structure.

  According to a fifth aspect of the present invention, in the fourth aspect of the invention, the shaft position restricting portion is constituted by a buffer member, so that the collision noise of the handle can be prevented during the door opening / closing operation.

  The invention according to claim 6 is used in the invention according to any one of claims 1 to 5, wherein the handle is disposed in a projection plane viewed from the front of the frame member provided on the door periphery. The door frame member is flush with the design and can improve the appearance.

  The invention according to claim 7 is the invention according to claim 6, wherein the handle is provided at the lower part of the refrigerator door, so that it is not necessary to form a special recessed portion on the door surface for storing the handle. The handle can be attached to the door with an inexpensive construction.

  According to an eighth aspect of the present invention, in the seventh aspect of the present invention, the grip portion of the handle is opened downward, so that the user can put a finger on the handle with natural movement of the arm and open the door. Easy to do.

  The invention according to claim 9 is the invention according to claim 8, wherein the height from the floor surface to the lower part of the handle is 550 mm or more and 1300 mm or less, so that the arm is raised to the shoulder height or more, The door can be opened lightly in a standing posture without bending the arm or waist by bending over.

  The invention according to claim 10 is the invention according to any one of claims 1 to 9, wherein the grip portion of the handle is provided over substantially the entire width or height of the door, so that the degree of freedom in handle operation is increased. The door can be opened easily by expanding and making the handle easier to grip.

  According to an eleventh aspect of the present invention, in the invention according to any one of the first to ninth aspects, the handle grip portion is provided over substantially the entire width or height of the door, and the rotation is a fulcrum at both ends of the handle. By providing the shaft and the contact member, the contact point of the contact member becomes two at both ends, so that the door can be opened with a lighter force.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a perspective view of the refrigerator in Embodiment 1 of the present invention. FIG. 2 is a perspective view of the refrigerator door according to the first embodiment when the handle parts are disassembled. FIG. 3 shows a plan view of the main part of the handle when the refrigerator door is closed in the first embodiment. FIG. 4 is a plan view of a main part when the handle is pushed in the first embodiment. FIG. 5 shows a plan view of a main part when the handle is pulled in the first embodiment.

  In FIG. 1, the refrigerator main body 1 is equipped with the refrigerator compartment 19, the vegetable compartment 20, and the freezer compartment 21 from the upper stage in the heat insulation box which has a front opening part. The refrigerator compartment 19 is provided with a hinge-type openable and closable refrigerator compartment door 2, and the drawer compartments 16 and 18 are provided in front of the vegetable compartment 20 and the freezer compartment 21.

  The handle 6 and the grip 7 are provided on the doors of the refrigerator compartment 19, the vegetable compartment 20, and the freezer compartment 21. It arrange | positions in the projection surface seen from the front of the members 3 and 17, and when the door is opened, the handle 6 can be moved back and forth.

  The grip 7 of the handle 6 is opened downward.

  Moreover, the height from the floor surface to the lower part of the handle 6 is set to 550 mm or more and 1300 mm or less.

  Next, the configuration of the handle 6 will be described with reference to FIG.

  The handle 6 includes a shaft plate 9, a position restricting portion 10, a mounting pin 11, an elastic member 12, a grip portion 7, rotary shafts 13 </ b> A and 13 </ b> B, contact members 14 </ b> A and 14 </ b> B, and a buffer member 5. Rotating shafts 13 </ b> A and 13 </ b> B are respectively provided on the other end side facing 7. The contact members 14A and 14B are connected to the upper rotary shafts 13A and 13B, respectively. On the other hand, the lower rotating shafts 13A and 13B are inserted into the grooves of the two position restricting portions 10 provided in the shaft plate 9 via the buffer member 5, and the rotating shafts 13A and 13B are along the grooves of the position restricting portion 10. Is operational. At that time, the mounting pin 11a provided between the rotary shafts 13A and 13B and the mounting pin 11b provided between the two position restricting portions 10 provided on the shaft plate 9 are positioned by an elastic member 12, for example, a coil spring. The rotating shafts 13A and 13B of the handle 6 can be freely moved, and the grip portion 7 of the handle 6 is returned to the normal position. Then, the shaft plate 9 of the handle 6 is attached and fixed to the recess of the frame member 3 provided on the door periphery.

  Next, in FIG. 3, FIG. 4, and FIG. 5, the handle opening / closing operation of the refrigerator door according to the present invention will be described. FIG. 3 shows the handle position in a normal state. The rotating shaft 13A and the rotating shaft 13B are both in contact with the side surface of the groove of the position restricting portion 10 in the door surface direction by the elastic member 12 and are restricted in position, and the abutting members 14A and 14B are not in contact with the flange 15.

  FIG. 4 shows the door opening / closing operation of the handle 6 when the grip 7 is pulled forward. When the grip portion 7 is pulled forward, the rotation shaft 13A near the grip portion 7 serving as a power point of the handle is used as a fulcrum, and the contact member 14B is rotated together with the rotation shaft 13B in the position restricting portion 10 so that the contact member 14B is an opening flange. By pressing 15, the door can be opened lightly. After opening, the elastic member 12 returns it to the normal position.

  FIG. 5 shows the door opening / closing operation of the handle 6 when the grip 7 is pushed backward. When the grip portion 7 is pushed rearward (on the refrigerator main body side), the rotary shaft 13B far from the grip portion 7 which is the power point of the handle is used as a fulcrum, and the rotary shaft 13A is rotated together with the rotary shaft 13A in the position restricting portion 10 The door can be opened lightly by pressing the opening flange 15 by 14A. After opening, the elastic member 12 returns it to the normal position.

  As described above, in the present embodiment, the handle 6 has the two rotation shafts 13A and 13B, and the operation of the two abutting members 14A and 14B regardless of whether the handle 6 is pulled or pushed. Because the door can be opened by opening the door, the door can be opened lightly not only by pulling the handle forward, but also by pushing the handle backward, so that the door can be opened and closed even when both hands are blocked Improve usability.

  The handle 6 is composed of a shaft plate 9, a position restricting portion 10, a mounting pin 11, an elastic member 12, a gripping portion 7, rotating shafts 13A and 13B, and contact members 14A and 14B. Operation in both the front and rear directions is possible with a simple mechanism with a small number of parts.

  Further, since the shaft plate 9 and the rotating shaft side of the grip portion 7 are connected by the elastic member 12, the rotating shaft can be smoothly moved, and the operation start position during use can be kept constant. Is further improved.

  Further, by providing the shaft position restricting portions 10 of the rotating shafts 13A and 13B of the handle 6 corresponding to the rotating shafts 13A and 13B, the operation of the contact members 14A and 14B corresponding to the operation of the handle 6 in both the front and rear directions. Is possible with a simple structure.

  Further, since the buffer member 5 is provided in the shaft position restricting portion 10, the impact sound can be reduced. The buffer member 5 may be integrated with the shaft position restricting portion 10.

  In addition, the handle 6 is arranged in the projection plane viewed from the front of the frame members 3 and 17 provided on the door periphery, so that the door frame member is flush with the design without disturbing the user. Can do well.

  Further, since the handle 6 is provided in the lower part of the refrigerator compartment door 2, it is not necessary to form a special recess on the door surface for storing the handle, and the handle can be attached to the door with a simple and inexpensive configuration. it can.

  Further, since the grip portion 7 of the handle 6 is opened downward, the user can easily put the finger on the grip portion 7 of the handle 6 by natural arm movement, and can easily open the door.

  Also, since the height from the floor to the lower end of the handle 6 is 550 mm or more and 1300 mm or less, the shoulder height of an average Japanese woman (height 1573 mm) is 1261 mm (Japan Standards Association edited by “Erotic Ergonomics”) 1990), if the height of the footwear is taken into consideration and the like is 1300 mm or less, the user can operate the handle without raising the arm above the shoulder, and does not place much burden on the arm. Can be operated. Further, the reason why the length is set to 550 mm or more is that the user can operate the steering wheel in a standing posture without substantially bending down. In this embodiment, since it is provided in the lower end part of the refrigerator compartment 19, the vegetable compartment 20, and the upper end part of the freezer compartment 21, opening operation can be performed within the height range which is easy to use by natural operation | movement.

  In the present embodiment, the handle 6 is described as being provided at one end of the refrigerator door, but the grip 7 of the handle 6 may be provided over substantially the entire width or height of the door. In this case, the degree of freedom of the handle operation is widened, and the handle can be easily grasped, so that the door can be easily opened.

  Further, the grip portion 7 of the handle 6 may be provided over substantially the entire width or height of the door, and the rotary shafts 13A and 13B and the contact member contact members 14A and 14B serving as fulcrums may be provided at both ends of the handle, respectively. Good. In this case, since the point of action of the contact member is two at both ends, the door can be opened with a lighter force.

  As described above, the refrigerator according to the present invention can open the door lightly even if the handle is pushed or pulled, so that it can be used for a revolving door of a house / building, a furniture drawer door, a vehicle door, etc. Is also applicable.

The perspective view of the refrigerator in Embodiment 1 of this invention The perspective view at the time of the handle parts decomposition | disassembly of the refrigerator door in the same Embodiment 1 The principal part top view of the handle | steering-wheel at the time of the refrigerator door closing in the same Embodiment 1 The principal part top view at the time of the handle pushing in the same embodiment 1 The principal part top view at the time of the handle pulling in Embodiment 1 Cross section of the main part of the handle of the refrigerator door of the conventional example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Refrigeration room door 3, 17 Door frame member 5 Buffer member 6 Handle 7 Grip part 9 Shaft plate 10 Axis position control part 11 Mounting pin 12 Elastic member 13A, 13B Rotating shaft 14A, 14B Contact part 15 Opening part Flange 16, 18 Pull-out door 19 Refrigerated room 20 Vegetable room 21 Freezer room

Claims (11)

  A heat insulating box having a front opening, a door attached to the opening so as to be openable and closable, a movable handle provided on the door, and a flange of the front opening in contact with the operation of the handle. A contact member that opens the door on the basis of the lever principle, and the handle has two rotating shafts, and the door is moved by the operation of the contact member even when the handle is pulled or pushed. A refrigerator characterized by being openable.   When there are two abutment members and the handle is pulled, the abutment member connected to the far rotation shaft is the point of action, with the rotation shaft near the force point of the handle as the fulcrum, and the handle is pushed 2. The refrigerator according to claim 1, wherein a contact member connected to a rotation shaft on a side closer to a rotation shaft on a side far from the power point of the handle serves as a point of action to open the door.   The refrigerator according to claim 1 or 2, wherein an elastic member is provided on the handle, the rotation shaft of the handle can be freely moved by the elastic member, and the handle is returned to a normal position.   The refrigerator according to any one of claims 1 to 3, wherein a shaft position restricting portion for the rotation shaft of the handle is provided corresponding to each rotation shaft.   The refrigerator according to claim 4, wherein the shaft position restricting portion is constituted by a buffer member.   The refrigerator according to any one of claims 1 to 5, wherein the handle is disposed in a projection plane viewed from the front of a frame member provided on a peripheral edge of the door.   The refrigerator according to claim 6, wherein a handle is provided at a lower portion of the refrigerator door.   The refrigerator according to claim 7, wherein the grip portion of the handle is opened downward.   9. The refrigerator according to claim 8, wherein a height from the floor surface to a lower portion of the handle is set to 550 mm or more and 1300 mm or less.   The refrigerator according to any one of claims 1 to 9, wherein a grip portion of the handle is provided over substantially the entire width or height of the door.   10. The handle according to claim 1, wherein a grip portion of the handle is provided over substantially the entire width or height of the door, and a rotary shaft and a contact member serving as fulcrums are provided at both ends of the handle. Refrigerator.

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