CN110553446A - built-in refrigerator - Google Patents

Abstract

The invention provides a built-in refrigerator, which includes a box body with an open front side and a door body located at the front side of the box body. The upper and lower ends of the door body are respectively connected to the box body through hinges. Each hinge includes: a hinge plate, It is fixed to the box body, which has a long hinge hole from front to back; and a vertically extending hinge shaft, which is fixed to the door body, and rotatably extends into the hinge hole and can be shifted forward and backward in it; the refrigerator It is configured to: allow the door body to pivotally open and close the box body around the hinge axis, and allow the door body to move away from the box body before pivoting to open the door, so as to facilitate the door opening operation.

Description

built-in refrigerator

technical field

The invention relates to the field of household appliances, in particular to a built-in refrigerator.

Background technique

The refrigerator has become an indispensable appliance in the modern kitchen. And, along with the raising of people's living standard, the capacity of refrigerator is getting bigger and bigger. In the limited kitchen space, the rationality of the refrigerator installation design directly determines the taste of the home. Based on this, built-in refrigerators take into account both aesthetics and practicability, and occupy a reasonable area, which has attracted the attention of consumers.

The main body of the built-in refrigerator is to be embedded in a cabinet or other similar wall spaces with front openings. The left, right and back sides of the refrigerator are the inner walls of the cabinet, and only the front door body is exposed. In order to ensure that the side walls of the cabinet do not interfere with the rotation of the refrigerator door, there are two options. One is to make the refrigerator not completely embedded in the cabinet, so that the door protrudes forward for a certain distance to avoid being disturbed, but this will affect the overall appearance. Another solution is to increase the distance between the left and right side walls of the refrigerator and the left and right side walls of the cabinet to prevent the side walls of the cabinet from interfering with the door body. But this will reduce the utilization rate of space, and the larger gap is not beautiful.

Contents of the invention

An object of the present invention is to provide a built-in refrigerator, which can not only enable the door to be opened normally, but also ensure the beauty of the cabinet and the space utilization rate.

In particular, the present invention provides a built-in refrigerator, which includes a box body with an open front side and a door body located at the front side of the box body, and the upper and lower ends of the door body are respectively connected to the box body through hinges. , each of the hinges consists of:

a hinge plate, fixed to the box body, has a hinge hole that is elongated from front to back; and

A hinge shaft extending vertically, which is fixed to the door body, and rotatably protrudes into the hinge hole and can be displaced forward and backward; the refrigerator is configured as follows:

The door body is allowed to pivotally open and close the box body around the hinge shaft, and the door body is allowed to move away from the box body before pivoting to open the door, so as to facilitate the door opening operation.

Optionally, two belt transmission mechanisms are installed on each of the hinge plates, and the two are respectively located on the lateral sides of the hinge hole; each of the belt transmission mechanisms includes two vertically extending The rotating shaft and the transmission belt tensioned on the two rotating shafts; and the hinge shaft is clamped and fixed at a preset position between the two transmission belts.

Optionally, each of the transmission belts has two stoppers arranged at intervals; the hinge shaft is sandwiched between the two stoppers of each of the transmission belts.

Optionally, after the door body is closed, under the action of electromagnetic force of at least one electric magnetic attraction mechanism, the door body is sealed tightly against the box body.

Optionally, each of the electric magnetic attraction mechanisms includes: a metal sheet, fixed on the front side of the box; and an electromagnet, fixed on the inner side of the door, configured to be controlled to be energized and opened, so as to communicate with the Metal sheets attract each other by electromagnetic force.

Optionally, the refrigerator is configured such that the electromagnet can be turned on or off by operating its handle.

Optionally, a handle groove is provided on the door body, and the top wall and the bottom wall of the handle groove are respectively provided with two conductive ends of the electromagnet; the handle is rotatably arranged on the handle In the groove, and configured so that: the upper and lower ends can be respectively contacted with a conductive end to conduct current, so that the electromagnet can be turned on; it can be rotated so that the upper and lower ends are away from the two conductive ends, so that The electromagnet is powered off to facilitate opening the door.

Optionally, at least one power-assisted forward pushing mechanism is provided on the front side of the box body, which is configured to apply forward power to the door body during the forward movement of the door body.

Optionally, the power-assisted forward pushing mechanism includes: a push rod, which can be telescopically inserted back and forth into the accommodation hole opened in the box body, and whose front end protrudes out of the accommodation hole to abut against the inner surface of the door body; and a spring , connected between the push rod and the rear wall of the receiving hole, configured to apply a forward elastic pre-tightening force to the push rod, so that the push rod pushes the door body forward during the door opening process .

Optionally, there are multiple power-assisted forward pushing mechanisms, which are arranged along the periphery of the door body.

In the built-in refrigerator of the present invention, the hinge hole is in the shape of a long strip extending from front to back, so that the hinge shaft can move forward and backward in it, so that the door body can move forward and backward relative to the box body. In this way, when the built-in refrigerator is installed in the cabinet, the door body can be completely retracted into the cabinet, making it more beautiful. When the door needs to be opened, the door body is first moved forward so that the door body protrudes forward out of the cabinet, and then the door is turned to open. At this time, the door body will not touch the side wall of the cabinet.

Further, in the embedded refrigerator of the present invention, two belt transmission mechanisms are arranged on the hinge plate, and the hinge shaft is clamped by the two transmission belts, so that the front and rear translation of the door body is more stable, and the gap between the hinge shaft and the inner wall of the hinge hole is avoided. Sliding friction occurs between them, resulting in greater wear and noise.

Further, the built-in refrigerator of the present invention is provided with an electric magnetic attraction mechanism. When the door body is closed, it is closely attached to the box body under the action of the electromagnetic force of the electric magnetic suction mechanism, and the sealing between the two is realized. Moreover, the power on and off of the electromagnet can be controlled by the handle, which is convenient for users to operate.

Further, the built-in refrigerator of the present invention is provided with a power-assisted forward pushing mechanism. When the door body moves forward, the power-assisted forward pushing mechanism can apply forward power to the door body, making the user more labor-saving.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of illustration and not limitation with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a schematic top view of a built-in refrigerator according to an embodiment of the present invention;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is a schematic diagram of the state after the door body of the built-in refrigerator shown in Fig. 1 is moved forward;

Fig. 4 is an enlarged view at B of Fig. 3;

Fig. 5 is a schematic diagram of the state after the door body of the built-in refrigerator shown in Fig. 3 is pivoted and opened;

Fig. 6 is a schematic right view of a built-in refrigerator according to an embodiment of the present invention;

Fig. 7 is a schematic diagram of the state after the door body of the built-in refrigerator shown in Fig. 6 is moved forward;

FIG. 8 is an enlarged view of point C in FIG. 7 .

Detailed ways

Fig. 1 is a schematic top view of a built-in refrigerator according to an embodiment of the present invention; Fig. 2 is an enlarged view of A in Fig. 1; Fig. 3 is a schematic diagram of the state after the door body 200 of the built-in refrigerator shown in Fig. 1 is moved forward ; FIG. 4 is an enlarged view of B in FIG. 3 ;

As shown in FIGS. 1 to 5 , an embodiment of the present invention provides a built-in refrigerator. A built-in refrigerator may generally include a box body 100 , a door body 200 , and a plurality of hinges 300 for installing the door body 200 on the box body 100 .

The box body 100 defines a refrigerated compartment, such as a refrigerator compartment, a freezer compartment, etc., which is open at the front side. The front side of the refrigerated compartment is open (the front and rear directions are marked in the figure). The door body 200 is located at the front side of the box body 100 to open or close the box body 100 . The upper end and the lower end of the door body 200 are respectively connected to the box body 100 through corresponding hinges 300 , so that the door body 200 can pivotally open and close the box body 100 .

As shown in FIG. 2 , the hinge 300 includes a hinge plate 310 and a hinge shaft 320 . The hinge plate 310 is fixed on the box body 100 and has a hinge hole 311 that is elongated from front to back. The hinge plate 310 can be extended along the horizontal plane, and the hinge hole 311 runs through both sides of the hinge plate 310 to form a through hole. The hinge shaft 320 extends vertically, is fixed on the door body 200 , and rotatably extends into the hinge hole 311 . The hinge shaft 320 can rotate around its own axis in the hinge hole 311 , so that the door body 200 can pivot around the hinge shaft 320 (the central axis) to open and close the box body 100 . Moreover, the hinge shaft 320 can also move forward and backward in the hinge hole 311 , so that the door body 200 can move forward and backward relative to the box body 100 , so as to facilitate the user's door opening operation.

Specifically, when the embedded refrigerator is installed in a cabinet (a cabinet is used as an example here, in fact, the embedded refrigerator can also be embedded in other similar accommodation spaces), the front end of the door body 200 can be aligned with the two sides of the cabinet. The front end of the wall 11 is even and even more rearward, making it more beautiful, refer to FIG. 1 . When the door needs to be opened, the door body 200 can be moved forward to make the door body 200 protrude forward outside the cabinet to reach the state shown in Figure 3, and then turn to open the door, as shown in Figure 5. At this time, the door body 200 will not touch To the side wall 11 of the cabinet, it can be opened smoothly. When the door needs to be closed, the door body 200 can be rotated to make it approximately parallel to the front side of the box body 100 , and then the door body 200 is pushed back to make it seal against the box body 100 .

As shown in Figures 1 and 2, two belt transmission mechanisms 330 are installed on each hinge plate 310, and the two belt transmission mechanisms 330 are respectively located on the lateral sides of the hinge hole 311 (direction perpendicular to the front and rear directions marked in the figure). i.e. landscape). Each belt transmission mechanism 330 includes two rotating shafts 332 rotatably mounted on the hinge plate 310 and a transmission belt 331 . The two rotating shafts 332 both extend along the vertical direction and are spaced apart from each other. The transmission belt 331 is tensioned on the two rotating shafts 332, the movement of the transmission belt 331 can drive the rotation of the rotating shaft 332, and the rotation of the rotating shaft 332 can also drive the transmission belt 331 to move. The hinge shaft 320 is clamped and fixed at a preset position between the two transmission belts 331. When the hinge shaft 320 moves back and forth with the door body 200, the hinge shaft 320 moves with the transmission belt 331, and the transmission belt 331 drives the rotating shaft 332 to rotate. The purpose of setting up the two belt transmission mechanisms 330 is to provide a certain buffer for the forward and backward translation of the door body 200, so as to make the front and rear translation more stable. At the same time, it also prevents the hinge shaft 320 from directly contacting the inner wall of the hinge hole 311 to generate sliding friction, which will cause greater wear and generate greater noise.

More specifically, in order to fix the hinge shaft 320 at the preset position of the transmission belt 331, as shown in FIG. Between the two stoppers 3311.

In some embodiments, a motor can be provided on the hinge plate 310 , which can be a stepping motor, so that the motor drives the rotating shaft 332 to rotate, so as to drive the hinge shaft 320 to translate, so that the door body 200 can automatically move forward and backward. The switch of the motor can be arranged on the door handle 220 or near the handle 220, so that the user can control the start and stop of the motor when opening and closing the door.

Fig. 6 is a schematic right view of a built-in refrigerator according to an embodiment of the present invention; Fig. 7 is a schematic diagram of the state after the door body 200 of the built-in refrigerator shown in Fig. 6 is moved forward.

As shown in FIGS. 6 and 7 , the built-in refrigerator has an electric magnetic attraction mechanism 600 . When the door body 200 is closed, the electric magnetic attraction mechanism 600 generates an electromagnetic force to make the door body 200 close to the box body 100 , as shown in FIG. 6 . A sealing strip 400 is provided on the rear surface of the door body 200 for sealing the gap between the door body 200 and the box body 100 .

Specifically, the electric magnetic attraction mechanism 600 includes a metal sheet 610 and an electromagnet 620 . The metal sheet 610 (such as a steel sheet) is fixed on the front side of the box body 100 . The electromagnet 620 is fixed on the inner side of the door body 200 and includes an iron core and a coil. The electromagnet 620 is energized and turned on in a controlled manner, so as to attract the metal sheet 610 by electromagnetic force, as shown in FIG. 6 .

The refrigerator is configured such that the electromagnet 620 can be energized or de-energized by manipulating its handle 220 . When the user holds the handle 220 to open the door, first power off the electromagnet 620, so that the electromagnetic force between the electromagnet 620 and the metal sheet 610 disappears, and the user can save more effort when opening the door again, as shown in FIG. 7 .

Specifically, as shown in FIG. 6 , a holding groove 210 is provided on the door body 200 . The holding groove 210 is defined on the vertical surface of the side end of the door body 200 . The two wire ends S1 and S2 of the electromagnet 620 are respectively arranged on the top wall and the bottom wall of the holding groove 210 . A conductive handle 220 is arranged in the holding groove 210 , and of course, an insulating layer is arranged on the surface of the handle 220 . The handle 220 can rotate around the shaft 221 . When the door body 200 is in a normal state, the upper and lower ends of the handle 220 can be respectively contacted with a conductive end S1, S2, so as to conduct the current of the wire 621 of the electromagnet 620, so that the electromagnet 620 is turned on.

When the user opens the door, the user can turn the handle 220 so that the upper and lower ends are away from the two conductive ends S1, S2, so that the electromagnet 620 is powered off, and the door body 200 is opened conveniently.

As shown in FIG. 6 , each door body 200 corresponds to two electric magnetic attraction mechanisms 600 , both of which are arranged in the up and down direction, so that the door body 200 fits more closely to the box body 100 . The two electric magnetic attraction mechanisms 600 are connected in series so that the handle 220 can control both of them at the same time.

In addition, a torsion spring can be provided on the handle 220 to facilitate its return. One end of the torsion spring is fixedly connected to the grip groove 210 , and the other end is connected to the handle 220 for exerting an elastic restoring force on the handle 220 . In a normal state without external force, the torsion spring is in a relaxed state, and the two ends of the handle 220 are always in contact with the two wire ends S1, S2, so that the electromagnet 620 is in a normally open state. When the user opens the door, the handle 220 is rotated against the elastic force of the torsion spring, so that the handle 220 is far away from the two wire ends S1 and S2, and the electromagnet 620 is powered off to complete the door opening action. After the user releases the handle 220, the handle 220 returns to its original position under the action of the torsion spring, so that the electromagnet 620 is turned on again.

At least one power-assisted forward pushing mechanism 500 may be provided on the front side of the box body 100 . The assisted forward pushing mechanism 500 is configured to apply forward assisted force to the door 200 during the forward movement of the door 200 , so that the user's process of moving the door 200 forward is more labor-saving. The number of the power-assisted forward pushing mechanism 500 is preferably multiple, which are arranged along the periphery of the door body 200 .

FIG. 8 is an enlarged view of point C in FIG. 7 . A specific implementation of the assisted forward pushing mechanism 500 is shown in FIG. 7 and FIG. 8 . Specifically, the booster forward mechanism 500 includes a push rod 510 and a spring 520 . The push rod 510 can be telescopically inserted back and forth into the receiving hole 130 of the box body 100 , and its front end extends out of the receiving hole 130 so as to abut against the inner surface of the door body 200 . The spring 520 is connected between the push rod 510 and the rear wall of the receiving hole 130, and is configured to apply a forward elastic pre-tightening force to the push rod 510, so that the push rod 510 pushes the door body 200 forward during the door opening process.

So far, those skilled in the art should appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, the disclosed embodiments of the present invention can still be used. Many other variations or modifications consistent with the principles of the invention are directly identified or derived from the content. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. The utility model provides an embedded refrigerator, includes the open box of front side and is located the door body of box front side, the upper and lower both ends of door body respectively through the hinge with the box is connected, every the hinge includes:

The hinge plate is fixed on the box body and is provided with a hinge hole which is long-strip-shaped from front to back; and

The hinge shaft extends vertically, is fixed on the door body, can rotatably extend into the hinge hole and can move back and forth in the hinge hole; the refrigerator is configured to:

The door body is allowed to pivotally open and close the box body around the hinge shaft, and the door body is allowed to move away from the box body before the door body is opened in a pivoting mode, so that the door opening operation is facilitated.

2. The built-in refrigerator of claim 1, wherein

Each hinge plate is provided with two belt transmission mechanisms which are respectively positioned at the two transverse sides of the hinge hole;

each belt transmission mechanism comprises two vertically extending rotating shafts arranged at intervals in the front and back direction and a transmission belt tensioned on the two rotating shafts; and is

The hinge shaft is clamped and fixed at a preset position between the two driving belts.

3. The built-in refrigerator of claim 2, wherein the refrigerator further comprises a cover for covering the refrigerator compartment

Each driving belt is provided with two stop blocks arranged at intervals;

The hinge shaft is sandwiched between the two stoppers of each of the driving belts.

4. The built-in refrigerator of claim 1, wherein

After the door body is closed, the door body is tightly attached to the box body in a sealing mode under the electromagnetic force action of the at least one electric magnetic attraction mechanism.

5. The built-in refrigerator of claim 4, wherein each of the electric magnetic attracting mechanisms comprises:

The metal sheet is fixed on the front side of the box body; and

And the electromagnet is fixed on the inner side of the door body and is configured to be controlled to be switched on and switched off so as to attract the metal sheet by virtue of electromagnetic force.

6. The built-in refrigerator of claim 5, wherein the refrigerator further comprises a cover for covering the refrigerator compartment

the refrigerator is configured to be electrically conductive or non-conductive to the electromagnet by operating a handle thereof.

The switch of the electromagnet is positioned on the handle of the door body.

7. The built-in refrigerator of claim 6, wherein the refrigerator further comprises a cover for covering the opening of the refrigerator door

A holding groove is formed in the door body, and two conductive ends of the electromagnet are respectively arranged on the top wall and the bottom wall of the holding groove;

the handle is rotatably disposed in the holding groove and configured to:

the upper end and the lower end of the electromagnet can be respectively contacted with one conducting end to conduct current so as to open the electromagnet;

Can be rotated to make the upper end and the lower end of the door body far away from the two conductive ends, so that the electromagnet is powered off, and the door body is convenient to open.

8. The built-in refrigerator of claim 1, wherein

The front side of the box body is provided with at least one power-assisted forward pushing mechanism which is configured to apply forward power assistance to the door body in the forward moving process of the door body.

9. The built-in refrigerator of claim 8, wherein the power-assisted push-forward mechanism comprises:

The push rod can be inserted into an accommodating hole formed in the box body in a front-back telescopic mode, and the front end of the push rod extends out of the accommodating hole to abut against the inner side surface of the door body; and

And the spring is connected between the push rod and the rear wall of the accommodating hole and is configured to apply forward elastic pretightening force to the push rod so as to enable the push rod to push the door body forward in the door opening process.

10. The built-in refrigerator of claim 9, wherein the refrigerator further comprises a cover for covering the refrigerator compartment

The number of the boosting forward-pushing mechanisms is multiple, and the boosting forward-pushing mechanisms are arranged along the periphery of the door body.