CN211575668U

CN211575668U - Automatic opening and closing mechanism of drawer door body and refrigerator

Info

Publication number: CN211575668U
Application number: CN201921428015.2U
Authority: CN
Inventors: 彭凤亚; 吴刚; 崔北艳; 李琦
Original assignee: Gree Electric Appliances Inc of Zhuhai; Hefei Kinghome Electrical Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Hefei Kinghome Electrical Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-09-25
Anticipated expiration: 2029-08-29

Abstract

An automatic opening and closing mechanism of a drawer door body is particularly suitable for a refrigerator drawer door body, and the opening and closing of the drawer door body can be stably realized through the matching of a sliding rail of a supporting module, a driving motor module and a supporting wheel assembly. The automatic opening and closing door body can run stably by adopting a sliding rail mode. Preferably the utility model discloses an each part adopts the modularized design, has solved the technological difficult problem of making (like the incasement wiring) that the product of current similar function exists and influence the function and promote, makes the function more reliable. Preferably, the motor in the driving motor module is arranged on the side face of the refrigerator body, so that the use environment of the motor is improved, the technical requirement of the driving motor is reduced, and the cost is saved.

Description

Automatic opening and closing mechanism of drawer door body and refrigerator

Technical Field

The utility model relates to an automatic switch mechanism of the drawer door body particularly, relates to an automatic switch mechanism and refrigerator of the drawer door body.

Background

With the development of the industry and the improvement of the quality requirements of actual use experience of users, the requirements of humanized functions of products are gradually increased. The development of the automatic door opening and closing function has become a breakthrough point and a competitive selling point in the recent industry. The current development situation in this aspect in domestic and foreign industries is:

the door body often divide into rotatory (formula) door body and drawer (formula) door body, and to the drawer door body, the automatic scheme of opening the door on the existing market all adopts metal ball slide rail as the drawer door body to bear the weight of and supports, through special motor drive, realizes the automatic switch of the door body. The driving motor is arranged at the rear end of the drawer door body, has a hidden design effect, but has the following defects and restricts the mass popularization:

1. the cost is high; 2. the control line arrangement process is complex; 3. the temperature of the working environment of the motor is low (minus 25 ℃), and the requirement on the motor is high.

Based on the current state of the industry and the analysis of market demands, a new drawer door body with a full-stroke automatic opening and closing function needs to be designed, so that the technical level and the market competitiveness of company products can be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an automatic switch mechanism of drawer door body is particularly useful for the refrigerator door body, the switch of the realization door body that can be stable.

The utility model discloses the main problem of solving is: the automatic opening and closing door body can run stably by adopting a sliding rail mode. The modular design is preferably adopted, the problem that the function popularization is influenced due to the technical manufacturing difficulty (such as wiring in a box) of the existing product with similar functions is solved, and the function is more reliable. Preferably, through the arrangement of the motor position, the service environment of the motor is also improved, so that the technical requirements of the driving motor are reduced. The cost of the function popularization is greatly reduced (compared with the related technical scheme in the industry at present, the technical scheme is only half as low as the initial accounting cost).

Specifically, the method comprises the following steps: an automatic opening and closing mechanism of a drawer door body comprises a door body assembly, a driving motor module and a supporting wheel assembly, wherein the door body assembly comprises a door body and a supporting module; the support module comprises a support and a slide rail, the support is fixedly connected with the door body or integrally formed with the door body, and the slide rail is fixedly connected with the support or integrally formed with the support;

the driving motor module comprises a driving motor and a transmission device;

the support wheel assembly provides sliding support for the support module;

the rack is formed on the sliding rail, the driving motor can realize the transmission of power through the transmission device, the transmission device can drive the sliding rail to move through the rack on the sliding rail, and the automatic opening and closing of the drawer door body are realized through the movement of the sliding rail.

Preferably, the transmission device comprises a main transmission gear, and the main transmission gear is meshed with the rack on the sliding rail.

Preferably, the transmission device further comprises a transmission gear set, and the driving motor transmits power to the main transmission gear through the transmission gear set.

Preferably, the number of the support modules is 2, and the support modules are arranged on the left side and the right side of the door body.

Preferably, the bracket comprises a frame body, a first bending part is formed at one end of the frame body, and the bracket is fixed on the door body through the first bending part.

Preferably, the support includes frame main part, is formed with the second kink in one side of frame main part, and the support passes through second kink and slide rail fixed connection.

Preferably, the support wheel assembly comprises a wheel shaft, a wheel outer race and a wheel bearing.

Preferably, the wheel assembly is supported, and the driving motor module is jointly integrated in the driving motor base.

Preferably, the door body is a refrigerator door.

Preferably, the refrigerator comprises a refrigerator body, the refrigerator body is provided with a containing part, the containing part forms a containing cavity, the driving motor module and the supporting wheel assembly are installed in the containing cavity, and the supporting module is installed in the containing cavity in a sliding mode.

Preferably, the driving motor module is installed at a side of the accommodating part, and the installation position has a preset distance from an opening of the accommodating part.

In addition the utility model also provides a refrigerator has automatic switch mechanism.

The utility model discloses an above-mentioned setting can make the slip stable, and modular design is convenient for be suitable for different model products, and the range of application is extensive.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

Fig. 1 the utility model discloses a door body and support module sketch map.

Fig. 2 is a schematic view of a support module of the present invention.

Fig. 3 is a schematic view of a slide rail of the support module of the present invention.

Fig. 4 is a schematic view of a driving motor module according to the present invention.

Fig. 5 is a schematic view of the driving motor module installed on the refrigerator.

Fig. 6 is a schematic view of the automatic opening and closing mechanism of the drawer door of the present invention installed on the refrigerator.

Figure 7 is a perspective view of the support wheel assembly of the present invention.

Figure 8 is a schematic partial cross-sectional view of a support wheel assembly according to the present invention.

Wherein: 1-a door body; 2-a support module; 3-bracket, 31-frame body, 32-first bending part, 33-second bending part; 4-a slide rail; 5-driving motor module, 51-driving motor base, 52-motor, 53-transmission gear set and 54-main transmission gear; 6-support wheel assembly, 61-roller shaft, 62-bearing, 63-roller outer ring; 7-box body.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various structures, these structures should not be limited by these terms. These terms are used to distinguish one structure from another structure. Thus, a first structure discussed below may be termed a second structure without departing from the teachings of the disclosed concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is to be understood by those skilled in the art that the drawings are merely schematic representations of exemplary embodiments, and that the blocks or processes shown in the drawings are not necessarily required to practice the present disclosure and are, therefore, not intended to limit the scope of the present disclosure.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings 1-8:

as shown in fig. 1 to 8, a door body assembly is schematically shown, and the door body assembly includes a door body 1 and support modules 2, where the support modules 2 are symmetrically installed at two sides of the door body 1 for providing sliding support to the door body 1. The door body assembly can be used in cooperation with a drawer body (box body) (not shown), the drawer body can be fixed on the door body 1 and/or the support module 2 and moves along with the door body assembly, and the drawer body is used for containing articles.

Specifically, the utility model discloses an automatic opening and closing mechanism of a drawer door body 1, which comprises a door body component, a driving motor module 5 and a supporting wheel component 6, wherein the door body component comprises a door body 1 and a supporting module 2; the support module 2 comprises a support 3 and a slide rail 4, the support 3 is fixedly connected with or integrally formed with the door body 1, and the slide rail 4 is fixedly connected with or integrally formed with the support 3;

the driving motor module 5 comprises a driving motor 52 and a transmission device;

the support wheel assembly 6 provides sliding support for the support module 2;

the sliding rail 4 is formed with a rack, the driving motor 52 can realize power transmission through the transmission device, the transmission device can drive the sliding rail 4 to move through the rack on the sliding rail 4, and the automatic opening and closing of the drawer door body 1 can be realized through the movement of the sliding rail 4.

Preferably, the transmission means comprises a main transmission gear 54, the main transmission gear 54 being engaged with a rack on the slide rail 4.

Preferably, the transmission further comprises a transmission gear set 53, and the driving motor 52 transmits power to a main transmission gear 54 of the transmission gear set 53.

Preferably, the number of the support modules 2 is 2, and the support modules are arranged on the left side and the right side of the door body 1.

Although the utility model discloses the number of preferred support module 2 is 2, but its quantity can be specifically set up according to actual needs, if it can set 4, respectively has 2 left and right both sides, or only is equipped with one in one side, and the opposite side adopts current slide rail mode.

Preferably, the bracket 3 includes a frame body 31, a first bent portion 32 is formed at one end of the frame body 31, and the bracket 3 is fixed to the door body 1 by the first bent portion 32.

Preferably, the bracket 3 includes a frame body 31, a second bent portion 33 is formed at one side of the frame body 31, and the bracket 3 is fixedly connected to the slide rail 4 through the second bent portion 33.

The specific fixing manner of the first bent portion 32 and the second bent portion 33 is not limited, and they may be fixed through holes illustrated in fig. 2.

As shown in fig. 2, 7 and 8, the support wheel assembly 6 preferably includes a roller shaft 61, a roller outer race 63 and a roller shaft 61 bearing. The support wheel assembly 6 of fig. 7 and 8 is merely exemplary, and the support wheel assembly 6 functions to slidably support the bracket 3 as long as it can perform sliding support. An alternative supporting mode is that the roller shaft 61 is fixed on the driving motor base 51, the roller outer ring 63 rotates relative to the roller shaft 61, and the bracket 3 is arranged on the roller outer ring 63 to realize sliding support. The side of the second bending portion 33 has a downwardly extending side, and when the second bending portion 33 is mounted on the roller outer ring 63, the side is located at a position of a gap between the protrusion on the roller shaft 61 and the roller outer ring 63, so as to form a stable sliding support.

Preferably, the support wheel assembly 6 and the drive motor module 5 are integrated together in the drive motor base 51. Optionally, the utility model discloses a supporting wheel subassembly 6 can not be integrated in driving motor seat 51, and it can set up alone promptly the utility model discloses do not limit to it is integrated in driving motor module 5, as long as it can realize supporting module 2's sliding support.

Preferably, the door body 1 is a refrigerator door.

Preferably, the refrigerator includes a cabinet 7, the cabinet 7 has a receiving portion forming a receiving chamber, the driving motor module 5 is installed in the receiving chamber, and the support module 2 is slidably installed in the receiving chamber.

Preferably, the driving motor module 5 is installed at a side of the receiving portion at a predetermined distance from an opening of the receiving portion. The preset distance can be specifically set according to actual needs, for example, the preset distance is set at an opening close to the accommodating part, which is beneficial to improving the use environment of the motor 52.

The principles and processes of the present invention are further described below: the utility model discloses a be different from adopting metal ball slide rail to bear the weight of as the drawer door body (door) at present in the trade and support, through the drive of motor 52, the design of motor 52 dress at drawer door body rear end. The utility model discloses a drawer support module 2 comprises support 3, slide rail 4 (transmission slide rail), is different from the existing structural style who uses the ball slide rail on the existing market, greatly reduced the cost of manufacture. The driving motor module 5 is directly arranged on the side surface of a tank liner opening of the refrigerator body 7, so that the wiring process problem of the motor 52 is solved, meanwhile, the temperature of the tank liner opening is higher than that of the back of the refrigerator body 7, the performance impact on the motor 52 is smaller, the service life of the motor 52 is prolonged, and the cost of the motor 52 is reduced; the driving motor 52 and the transmission gear form a closed module, the assembly process is simple, the quality is stable, and the influence of the external environment is small.

The utility model discloses automatic switch mechanism mainly contains: drawer support module 2, driving motor module 5, support wheel subassembly 6. The drawer support module 2 is composed of a drawer support 3 and a transmission slide rail 4, and optionally, two symmetrical pairs of drawer support modules 2 are arranged on the door body 1 to form a drawer door body assembly. The drawer support 3 is made of galvanized steel sheet with the thickness of 1.2mm or 1.5mm, the transmission slide rail 4 is made of POM (common name is polyformaldehyde) material, and the POM material are connected through riveting or screws to form an assembly. The driving motor module 5 is fixed on the refrigerator body 7 (in the accommodating part), and according to the requirement of power, the driving motor module 5 can be provided with symmetrical parts which are arranged on two symmetrical positions of the refrigerator body 7. The drive motor module 5 includes: a drive motor 52 (stepper motor), a drive gear set 53, a main drive gear 54, which are integrated in the drive motor mount 51, and optionally also the support wheel assembly 6, in the drive motor mount 51. The transmission gear set 53 is made of POM, the main transmission gear 54 and the driving motor base 51 are made of metal, and the two are fixed together or combined into a steel body component through welding or other processes. The supporting wheel assembly 6 is composed of a roller shaft 61, a roller shaft 61 bearing and a roller outer ring 63, wherein the roller outer ring 63 is made of POM material.

As shown in fig. 6, the drawer door assembly can be assembled in the accommodating cavity of the refrigerator body 7, and is supported on the supporting wheel assembly 6 through the supporting module 2, and the driving motor 52 drives the transmission slide rail 4 to push the door body 1 to open and close, so that the automatic opening and closing of the door body 1 is realized. The main drive gear 54 and the support wheel assembly 6 are offset in a longitudinal direction of the refrigerator cabinet 7 by a certain distance in the vertical direction for accommodating the support module 2. The driving motor module 5 and the supporting wheel assembly 6 are arranged at the corresponding position of the accommodating cavity of the refrigerator body 7, the support 3 on the door body assembly is supported on the supporting wheel assembly 6, and the transmission slide rail 4 is meshed with the main transmission gear 54 of the driving motor module 5, so that the assembly of the door body 1 and the refrigerator body 7 is realized. When the driving motor module 5 is powered on, the main transmission gear 54 rotates to drive the transmission slide rail 4 of the door body assembly, and the transmission slide rail 4 is driven by the power to drive the door body assembly to move on the supporting wheel assembly 6.

Has the advantages that:

the utility model discloses a mode of slide rail makes the automatic switch door body operate steadily. The modular design is preferably adopted, the problem that the function popularization is influenced due to the technical manufacturing difficulty (such as wiring in a box) of the existing product with similar functions is solved, and the function is more reliable. Preferably, through the arrangement of the motor position, the use environment requirement of the motor is also improved, so that the technical requirement of driving the motor is reduced. The cost of the function popularization is greatly reduced (compared with the related technical scheme in the industry at present, the technical scheme is only half as low as the initial accounting cost). The utility model discloses a scheme is with low costs, simple process, the stable performance of function receives environmental influence factor little, and modular design is convenient for different model products and chooses for use.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides an automatic switch mechanism of drawer door body (1), includes door body group spare, driving motor module (5), supporting wheel subassembly (6), its characterized in that: the door body assembly comprises a door body (1) and a support module (2); the support module (2) comprises a support (3) and a slide rail (4), the support (3) is fixedly connected with the door body (1) or integrally formed, and the slide rail (4) is fixedly connected with the support (3) or integrally formed;

the driving motor module (5) comprises a driving motor (52) and a transmission device;

the supporting wheel assembly (6) provides sliding support for the supporting module (2);

the sliding rail (4) is provided with a rack, the driving motor (52) can realize power transmission through the transmission device, the transmission device can drive the sliding rail (4) to move through the rack on the sliding rail (4), and the automatic opening and closing of the drawer door body (1) are realized through the movement of the sliding rail (4).

2. The automatic opening and closing mechanism according to claim 1, wherein: the transmission device comprises a main transmission gear (54), and the main transmission gear (54) is meshed with a rack on the sliding rail (4).

3. The automatic switching mechanism according to claim 2, wherein: the transmission device also comprises a transmission gear set (53), and the driving motor (52) transmits power to the main transmission gear (54) through the transmission gear set (53).

4. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the number of the supporting modules (2) is 2, and the supporting modules are arranged on the left side and the right side of the door body (1).

5. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the support (3) comprises a frame main body (31), a first bending part (32) is formed at one end of the frame main body (31), and the support (3) is fixed on the door body (1) through the first bending part (32).

6. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the support (3) comprises a frame main body (31), a second bent part (33) is formed on one side of the frame main body (31), and the support (3) is fixedly connected with the sliding rail (4) through the second bent part (33).

7. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the support wheel assembly (6) comprises a roller shaft (61), a roller outer ring (63) and a bearing (62).

8. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the supporting wheel assembly (6) and the driving motor module (5) are jointly integrated in the driving motor base (51).

9. The automatic opening and closing mechanism according to any one of claims 1 to 3, wherein: the door body (1) is a refrigerator door.

10. The automatic opening and closing mechanism according to claim 9, wherein: the refrigerator comprises a refrigerator body (7), wherein the refrigerator body (7) is provided with an accommodating part, an accommodating cavity is formed in the accommodating part, a driving motor module (5) and a supporting wheel assembly (6) are installed in the accommodating cavity, and a supporting module (2) is installed in the accommodating cavity in a sliding mode.

11. The automatic opening and closing mechanism according to claim 10, wherein: the driving motor module (5) is installed on the side face of the accommodating portion, and the installation position has a preset distance from the opening of the accommodating portion.

12. A refrigerator characterized by having an automatic opening and closing mechanism as claimed in any one of claims 1 to 11.