CN216159420U

CN216159420U - A kind of refrigerator

Info

Publication number: CN216159420U
Application number: CN202021669964.2U
Authority: CN
Inventors: 李利云; 王仁华; 陈红欣; 张树栋; 申乃雨
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-12
Publication date: 2022-04-01
Anticipated expiration: 2030-08-12
Also published as: CN114061226A; CN114061225A; CN114061224A; CN114076443A; CN114061224B

Abstract

The utility model relates to the technical field of refrigeration equipment, and discloses a refrigerator, which comprises: a housing, in which a storage chamber is provided, and a low-temperature storage space is formed in the storage chamber; the door body is arranged on the shell and used for opening or closing the storage chamber; the box liner is arranged at the bottom of the shell; the drawer is arranged inside the box liner; the guide rail, set up in inside the case courage, the guide rail with the internal face fixed connection of case courage, in order to guide the movement track of drawer and executor has add the executor, set up in inside the case courage, by the executor is with the drive the operating condition of drawer, and then realize that the automation of freezer is opened or is closed, through improving the gear train, the gear train set up in executor and guide rail junction, by the gear train is with the guide the executor and the guide rail is connected, has improved the connectivity between executor and the guide rail through the gear train.

Description

A kind of refrigerator

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

The traditional side-by-side combination refrigerator product generally has only two temperature areas, but along with the development of the refrigerator towards multi-door and multi-temperature areas, the traditional side-by-side combination refrigerator not only looks out of the design, but also brings inconvenience to the life of people with high requirements on storage space; the influence of high carbon of the large side-by-side combination refrigerator on the environment is increasingly prominent; french side by side combination refrigerator is a new direction of compromise: the design of the side-by-side combination door of the freezing chamber cancels the middle partition beam, forms the ultra-wide transverse space layout, overcomes the space limitation of the left and right vertical separation of the freezing chamber and the freezing chamber of the traditional side-by-side combination refrigerator, provides unprecedented super-large space, is convenient to store food of various sizes, the upper half part is provided with two refrigerator doors, the lower half part is used as the freezing chamber, and the refrigerator becomes the choice of more and more people.

The existing automatic door opening and closing device for the refrigerator freezing chamber needs two sets of actuators which are ejected and rotated, the control is complex, the cost is high, the torque required to be transmitted by a clutch of the freezing automatic door opening and closing device is more than 1.5N.m, and the torque of an electromagnetic clutch selected can only be about 1N.m according to the current structural size, so that the design requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In some embodiments of the present application, there is provided a refrigerator including: the executor, set up in inside the case courage, the executor with the outer wall fixed connection of drawer, executor one end with the guide rail meshes mutually, by the executor is with the drive the opening and closing of drawer have solved current refrigerator freezer automatic switch door gear, need ejecting and rotatory two sets of executors, and control is complicated, and the cost is very high to the moment of torsion that the clutch of freezing automatic switch door needs the transmission should be greater than 1.5N.m, and with present structural dimension, the electromagnetic clutch moment of torsion of chooseing for use can only accomplish about 1N.m, can't satisfy the problem of designing requirement.

In some embodiments of this application, improve the executor, set up in inside the case courage, the executor with the outer wall fixed connection of drawer, by the executor realizes that the automation of freezer is opened or is closed, has increased electromagnetic clutch's moment of torsion through the improvement to the executor, when guaranteeing that refrigerator drawer internal load is great, the executor can smoothly open and close the door.

In some embodiments of the application, a second rotor armature and a second friction plate are additionally arranged, the second rotor armature is connected to the rotor, after the clutch is started by electrifying, the second friction plate is attached to the rotor, and the first friction plate is attached to the second rotor armature, so that the rotor transmits torque to the output shaft through the first friction plate and the second friction plate, and compared with the method that the torque is transmitted only through the first friction plate, the torque on the output shaft is increased by 1.5-1.8 times.

In some embodiments of the application, add the protection component, set up in on the base, the protection component comprises protective housing, protective cover and apron, protects the executor through the protection component, improves the steadiness of executor simultaneously.

In some embodiments of the present application, there is provided a refrigerator, further comprising: a housing, in which a storage chamber is provided, and a low-temperature storage space is formed in the storage chamber; the door body is arranged on the shell and used for opening or closing the storage chamber; the box liner is arranged at the bottom of the shell; the drawer is arranged inside the box sheet; the base is arranged inside the box liner; the actuator is arranged in the box liner and is fixedly connected with the top end of the base, and the actuator drives the drawer to open and close; the guide rail is arranged in the box container and fixedly connected with the inner wall surface of the box container, and the guide rail is meshed with one end of the actuator so as to guide the movement tracks of the drawer and the actuator; wherein the actuator comprises: the electromagnetic clutch is arranged inside the actuator; the electromagnetic clutch includes: the stator is arranged on the driving end of the driving machine; the rotor is arranged on the driving end of the driving machine, and one end of the rotor is connected with one end of the stator; a first rotor armature disposed on the output shaft; a first friction plate disposed on the first rotor armature; the second friction plate is arranged on the output shaft; a second rotor armature disposed on the rotor; the electromagnetic clutch is started in an electrified mode, the second friction plate is attached to the second rotor armature, and after the second friction plate is attached to the rotor, the rotor transmits torque to the output shaft.

In some embodiments of the present application, the actuator further comprises: the driving machine is arranged on the base, the driving end of the driving machine is fixedly connected with the electromagnetic clutch, and the driving machine drives the electromagnetic clutch to rotate; and the output shaft is connected to the electromagnetic clutch.

In some embodiments of the present application, there is provided a refrigerator, further comprising: the gear set is arranged at the joint of the actuator and the guide rail and guides the actuator and the guide rail to be connected through the gear set.

In some embodiments of the present application, the gear set comprises: a first gear provided on the output shaft; and the second gear is arranged on the guide rail and meshed with the first gear.

In some embodiments of the present application, the guide rail comprises: the first bracket is arranged in the box liner and fixedly connected with the inner side wall surface of the box liner; the rack is arranged at the bottom end of the bracket and is meshed with the gear set; the sliding rail is arranged inside the box container, one end of the sliding rail is fixedly connected with the gear set, and the outer wall surface of the sliding rail is attached to the inner wall surface of the support.

In some embodiments of the present application, there is provided a refrigerator, further comprising: the second support is arranged on the guide rail and fixedly connected with the drawer.

In some embodiments of the present application, there is provided a refrigerator, further comprising: the protection component is arranged on the base and consists of a protective shell, a protective cover and a cover plate.

In some embodiments of the present application, the protection assembly comprises: the protective shell is arranged on the base; the cover plate is arranged on the actuator and is positioned on one side of the electromagnetic clutch; the protective cover, set up in on the executor, the protective cover with apron fixed connection, just the protective cover is located the electromagnetic clutch opposite side.

Drawings

Fig. 1 is a schematic view of an overall structure of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a protective shell according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of a portion of the FIG. 1 construction of the present invention;

FIG. 4 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;

FIG. 5 is an exploded view of an actuator in an embodiment of the utility model;

FIG. 6 is a front view of an actuator in an embodiment of the present invention;

FIG. 7 is a schematic structural view of a gear set in an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of a guide rail in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a cover plate in an embodiment of the present invention;

FIG. 10 is a schematic view of a protective cover according to an embodiment of the utility model;

fig. 11 is a schematic view of a prior art actuator configuration.

In the figure, the position of the upper end of the main shaft,

110. a housing; 120. a box liner;

200. an actuator; 210. a driver; 220. an output shaft; 230. an electromagnetic clutch;

231. a first friction plate; 232. a first rotor armature; 233. a second friction plate; 234. a second rotor armature; 235. a stator; 236. a rotor;

300. a guide rail; 310. a first bracket; 320. a rack; 330. a slide rail;

400. a gear set; 410. a first gear; 420. a second gear;

510. a base; 520. a second bracket;

600. a protection component; 610. a protective shell; 620. a cover plate; 630. a protective cover.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

According to the refrigerator in this application embodiment, including casing and door body, the casing is inside to be provided with the storeroom, is formed with low temperature storage space in the storeroom, and the door body rotationally connects in the casing, and the door body is inside to be provided with the heat preservation to the realization is deposited or is taken out edible material or article in the refrigerator.

The door body includes a door body outer shell located outside the storage chamber, a door body inner container located inside the storage chamber, an upper end cover, a lower end cover, and a heat insulating layer located between the door body outer shell, the door body inner container, the upper end cover, and the lower end cover, and the heat insulating layer is usually filled with a foaming material.

The storage compartment has an open cabinet, the storage compartment is vertically partitioned into a lower freezing compartment and an upper freezing compartment, and each of the partitioned spaces may have an independent storage space, and in detail, the freezing compartment is located at a lower side of the storage compartment and may be selectively covered by a drawer-type freezing compartment door.

According to some embodiments of the present application, referring to fig. 1 to 6, a refrigerator includes: the actuator 200 is arranged in the tank container 120, the actuator 200 is fixedly connected with the top end of the base 510, and one end of the actuator 200 is engaged with the guide rail 300.

The actuator 200 is mainly composed of a driver 210, an electromagnetic clutch 230, and an output shaft 220.

The automatic opening or closing state of the drawer is achieved by the actuator 200, and the torque is increased by improving the actuator 200.

Referring to fig. 4, a driving unit 210 is attached to an outer wall surface of the drawer.

The driving machine 210 is a dc motor.

The actuator 200 is activated by the driver 210, thereby moving the drawer.

Referring to fig. 4-6, an electromagnetic clutch 230 is disposed on the drive end of the driver 210.

The electromagnetic clutch 230 is composed of a first friction plate 231, a second friction plate 233, a first rotor 236 armature 232, a second rotor 236 armature 234, a stator 235 and a rotor 236, wherein the rotor 236 armature is fixed with the rotor 236 by welding or any other means.

And a stator 235 provided on the driving end of the driver 210.

The rotor 236 is disposed on the driving end of the driving machine 210, and one end of the rotor 236 is fixedly connected to one end of the stator 235.

Referring to fig. 4-6, the output shaft 220 is coupled to an electromagnetic clutch 230.

The output shaft 220 is a circular column structure, and one end of the output shaft 220 is provided with a pair of clamping grooves.

The output shaft 220 is used for increasing the connectivity between the electromagnetic clutch 230 and the gear set 400, the clamping groove is used for increasing the stability between the output shaft 220 and the electromagnetic clutch 230, the phenomena that the output shaft 220 slips and the like are avoided, and compared with a traditional clutch, the electromagnetic clutch 230 is added with components including but not limited to a second friction plate 233 and a rotor 236 armature.

According to some embodiments of the present application, referring to fig. 4 and 8, the guide rail 300 is disposed inside the tank container 120, and the guide rail 300 is fixedly connected to an inner wall surface of the tank container 120.

The guide rail 300 is composed of a first bracket 310, a rack 320, and a slide rail 330.

The movement trace of the drawer and the actuator 200 is guided by the guide 300.

Referring to fig. 4 and 8, the first bracket 310 is disposed inside the tank container 120, and the first bracket 310 is fixedly connected to an inner sidewall surface of the tank container 120.

First support 310 is U-shaped plate structure, and first support 310 internal wall matches each other with slide rail 330, and first support 310 and case courage 120 junction are provided with buckle and spliced pole.

Slide rail 330 is limited by first bracket 310, the stability between first bracket 310 and tank bladder 120 is increased by the connecting column, and first bracket 310 is conveniently disassembled and assembled by the buckle.

Referring to fig. 4 and 8, the rack 320 is disposed at the bottom end of the bracket, and the rack 320 is engaged with the gear set 400.

The rack 320 defines the motion track of the actuator 200, and thus the motion track of the drawer.

Referring to fig. 4 and 8, the slide rail 330 is disposed inside the container 120, one end of the slide rail 330 is fixedly connected to the gear set 400, and an outer wall surface of the slide rail 330 is attached to an inner wall surface of the bracket.

Referring to fig. 5, a first friction plate 231 is disposed on the output shaft 220 according to some embodiments of the present disclosure.

The first friction plate 231 is a circular plate-shaped structure, a center hole is formed in the first friction plate 231, the center hole is non-circular, and the center hole is matched with the output shaft 220.

According to some embodiments of the present application, referring to fig. 5 and 6, the first rotor 236 armature 232 is disposed on the output shaft 220, and the first rotor 236 armature 232 abuts the first friction plate 231.

The first rotor 236 armature 232 is a circular sheet structure, a central hole is formed in the first rotor 236 armature 232, and the first rotor 236 armature 232 is matched with the first friction plate 231.

Referring to fig. 5 and 6, a second friction plate 233 is disposed on the output shaft 220 according to some embodiments of the present disclosure.

The second friction plate 233 is a circular plate structure, and the second friction plate 233 is provided with a central hole, which is non-circular, and the central hole is matched with the output shaft 220.

Referring to fig. 5 and 6, according to some embodiments of the present application, second rotor 236 armature 234 is disposed on output shaft 220, and second rotor 236 armature 234 engages second friction disk 233.

The second rotor 236 armature 234 is a circular sheet-shaped structure, a central hole is formed in the second rotor 236 armature 234, the second rotor 236 armature 234 is matched with the second friction plate 233, and a plurality of fixing blocks are arranged on the second rotor 236 armature 234 and are of an arc-shaped plate-shaped structure.

The rotor is rigidly connected to the second rotor armature by means of a fastening block, and a gap is ensured between the second rotor armature and the rotor, in which gap the second friction disk can rotate without friction when the clutch is not energized.

According to some embodiments of the present application, referring to fig. 4 and 7, a gear set 400 is disposed between the actuator 200 and the guide rail 300.

The gear set 400 comprises a first gear 410 and a second gear 420, wherein the first gear 410 is disposed on the output shaft 220, the second gear 420 is disposed on the guide rail 300, and the second gear 420 is engaged with the first gear 410.

The gear set 400 is used to guide the actuator 200 and the guide rail 300 to connect, the driving machine 210 is started, the rotation of the driving machine 210 drives the output shaft 220 to rotate, so as to drive the first gear 410 to rotate, and the rotation of the first gear 410 drives the second gear 420 engaged with the first gear to rotate, so as to move the actuator 200 along the direction of the rack 320.

According to some embodiments of the present application, referring to fig. 1 and 3, the second bracket 520 is disposed on the rail 300, and the second bracket 520 is fixedly connected to the drawer.

The connectivity between the drawer and the rail 300 is increased by the second bracket 520.

According to some embodiments of the present disclosure, referring to fig. 3 and 4, the protection component 600 is disposed on the base 510, and the protection component 600 is disposed on the actuator 200.

The protective assembly 600 is composed of a protective case, a protective cover 630, and a cover plate 620.

The actuator 200 is protected by the protection assembly 600, so that the service life of the actuator 200 is prolonged, and the cost is reduced.

Referring to fig. 2 and 3, the protective housing 610 is disposed on the base 510.

The protective shell 610 is of a semicircular plate-shaped structure, a plurality of first limiting columns are arranged on the side wall surface of the protective shell 610, a connecting piece is arranged at the joint of the protective shell 610 and the base 510 and penetrates through the limiting columns, and buckles are further arranged at the joint of the protective shell 610 and the base 510.

Increase the steadiness between driver 210 and base 510 through protective housing 610 to protect driver 210, inject the mounted position of connecting piece through first spacing post, be convenient for protective housing 610's dismouting through the buckle.

The cover plate 620 is arranged on the actuator 200, the cover plate 620 is located on one side of the electromagnetic clutch, the protective cover 630 is arranged on the actuator 200, the protective cover 630 is fixedly connected with the cover plate 620, and the protective cover 630 is located on the other side of the electromagnetic clutch.

The apron 620 is ring shape platelike structure, and apron 620 bottom is provided with the joint board, and the joint board is the integrated into one piece structure with apron 620, has seted up a plurality of through-holes on the apron 620, and protective cover 630 is cylindric cavity structure, and protective cover 630 matches each other with apron 620, is provided with the spacing post of second on the protective cover 630 inner side wall face, and the position and the through-hole of the spacing post of second match each other.

The cover cap 620 fixes the cover cap 630, and the cover cap 620 and the cover cap 630 cooperate to protect the electromagnetic clutch 230.

The working principle is as follows: the armature of the rotor 236 is made of a non-magnetic material, and after the excitation coil is electrified, the first friction plate 231 is attracted with the armature of the rotor 236 to generate a friction force f 1; the second friction plate 233 is attracted with the rotor 236 to generate a friction force f 2; the friction force received by the two is transmitted to the main shaft, and the total friction force f is f1+ f2, so that the transmittable torque of the clutch is greatly increased.

According to the first conception of the application, improve the executor, set up in inside the case courage, the executor with the outer wall fixed connection of drawer, by the executor realizes that the automation of freezer is opened or is closed, has increased electromagnetic clutch's moment of torsion through the improvement to the executor, when guaranteeing that load is great in the refrigerator drawer, the executor can smoothly open and close the door.

According to the second design of this application, second rotor armature and second friction disc have been add, second rotor armature is connected to on the rotor, after the clutch circular telegram started, the second friction disc with the rotor is laminated just mutually first friction disc is laminated on the second rotor armature, makes on the rotor transmits the output shaft with the moment of torsion through first friction disc and second friction disc, compares in only transmitting the moment of torsion through first friction disc, and the moment of torsion on the output shaft has promoted 1.5 ~ 1.8 times.

According to the third design of this application, add the protection component, set up in on the base, the protection component comprises protective housing, protective cover and apron, protects the executor through the protection component, improves the steadiness of executor simultaneously.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A refrigerator, characterized by comprising:

a housing, in which a storage chamber is provided, and a low-temperature storage space is formed in the storage chamber;

the door body is arranged on the shell and used for opening or closing the storage chamber;

the box liner is arranged at the bottom of the shell;

the drawer is arranged inside the box sheet;

the base is arranged inside the box liner;

the actuator is arranged in the box liner and is fixedly connected with the top end of the base, and the actuator drives the drawer to open and close;

the guide rail is arranged in the box container and fixedly connected with the inner wall surface of the box container, and the guide rail is meshed with one end of the actuator so as to guide the movement tracks of the drawer and the actuator;

wherein the actuator comprises:

the electromagnetic clutch is arranged inside the actuator;

the driving machine is arranged on the base, the driving end of the driving machine is fixedly connected with the electromagnetic clutch, and the driving machine drives the electromagnetic clutch to rotate;

the output shaft is connected to the electromagnetic clutch;

the electromagnetic clutch includes:

the stator is arranged on the driving end of the driving machine;

the rotor is arranged on the driving end of the driving machine, and one end of the rotor is connected with one end of the stator;

a first rotor armature disposed on the output shaft;

a first friction plate disposed on the first rotor armature;

the second friction plate is arranged on the output shaft;

a second rotor armature disposed on the rotor;

the electromagnetic clutch is started in an electrified mode, the second friction plate is attached to the second rotor armature, and after the second friction plate is attached to the rotor, the rotor transmits torque to the output shaft.

2. The refrigerator according to claim 1, further comprising:

the gear set is arranged at the joint of the actuator and the guide rail and guides the actuator and the guide rail to be connected through the gear set.

3. The refrigerator of claim 2, wherein the gear set comprises:

a first gear provided on the output shaft;

and the second gear is arranged on the guide rail and meshed with the first gear.

4. The refrigerator of claim 2, wherein the guide rail comprises:

the first bracket is arranged in the box liner and fixedly connected with the inner side wall surface of the box liner;

the rack is arranged at the bottom end of the bracket and is meshed with the gear set;

the sliding rail is arranged inside the box container, one end of the sliding rail is fixedly connected with the gear set, and the outer wall surface of the sliding rail is attached to the inner wall surface of the support.

5. The refrigerator according to claim 1, further comprising:

the second support is arranged on the guide rail and fixedly connected with the drawer.

6. The refrigerator according to claim 1, further comprising:

the protection component is arranged on the base and consists of a protective shell, a protective cover and a cover plate.

7. The refrigerator of claim 6, wherein the protection assembly comprises:

the protective shell is arranged on the base;

the cover plate is arranged on the actuator and is positioned on one side of the electromagnetic clutch;

the protective cover, set up in on the executor, the protective cover with apron fixed connection, just the protective cover is located the electromagnetic clutch opposite side.