CN113531980B - Household appliance - Google Patents

Abstract

The invention discloses a household appliance, which comprises a box body defining a compartment, a motor device arranged in the box body, a shelf arranged in the compartment, a lifting device connected with the shelf and used for lifting the shelf, an upper mounting seat fixedly arranged relative to the box body and connected with the lifting device, and a second damping structure, wherein the second damping structure comprises a second damping part which is arranged in the box body and has certain flexibility, and a fixing part embedded in the second damping part, and the upper mounting seat is fixedly connected with the fixing part. The household appliance has good damping effect and greatly reduces noise.

Description

household appliances

This application is a divisional application with the application number 202010022538.8, the application date is January 9, 2020, and the invention name is "Household Appliances".

technical field

The invention relates to a household appliance.

Background technique

A refrigerator includes a box body and a door operable to open/close the box body, and a shelf and/or an ice-making unit etc. are usually arranged in the box body. In order to lift and lower the shelf and make the ice-making tray rotate, a motor needs to be arranged in the casing. The motor is fixedly connected to the box by screws. In order to reduce the vibration caused by the operation of the motor, a shock-absorbing pad is set between the motor and the box. But even if the shock-absorbing pad is installed, the motor and the box are still rigidly connected, the shock-absorbing effect is very poor, and the noise is still high.

Contents of the invention

The object of the present invention is to provide a household appliance, the shock absorption effect of the motor of the household appliance is good, and the noise is greatly reduced.

In order to achieve one of the objectives of the above invention, an embodiment of the present invention provides a household appliance, the household appliance includes a box body defining compartments and a motor device disposed on the box body, the motor device includes a motor base and The motor body fixed on the motor seat, wherein the household appliance also includes a first shock absorbing structure, the first shock absorbing structure includes a first shock absorber and an embedded At least one fastener provided on the first shock absorber, the motor base is fixedly connected to the fastener, and the connection direction between the motor base and the fastener is defined as the axial direction, perpendicular to the The axial direction is a radial direction, and in the radial direction, the outer periphery of the fastener is completely covered by the first shock absorber.

As a further improvement of the embodiment of the present invention, the first shock absorbing structure further includes a connecting piece fixed to the box and having a certain rigidity, and the first shock absorbing piece is arranged on the connecting piece.

As a further improvement of the embodiment of the present invention, the connecting member is provided with an accommodating groove adapted to the outer circumference of the first shock absorbing member, and the first shock absorbing member is located in the accommodating groove.

As a further improvement of the embodiment of the present invention, the household appliance also includes a shelf arranged in the compartment and a lifting device connected with the shelf to lift the shelf, and the motor and the lifting The device is connected to drive the movement of the lifting device.

As a further improvement of the embodiment of the present invention, the lifting device includes a lead screw connected with the motor body and a nut piece threadedly fitted with the lead screw, and the nut piece is not fixed relative to the shelf. move.

As a further improvement of the embodiment of the present invention, the lifting device further includes a guide rod that is fixed relative to the box body, and a guide hole for the guide rod to pass is provided on the nut member.

As a further improvement of the embodiment of the present invention, one end of the guide rod is fixedly connected to the box body, and the other end of the guide rod is fixedly connected to the motor base.

As a further improvement of the embodiment of the present invention, the household appliance further includes an upper mounting base fixed relative to the box body, one end of the lead screw is connected to the motor body, and the other end of the lead screw is rotatable ground connected to the upper mounting base, the household appliance also includes a second shock absorbing structure, the second shock absorbing structure includes a second shock absorbing member that is arranged on the box body and has a certain degree of flexibility and is embedded in the The fixing part of the second shock absorbing part, the upper mounting seat is fixedly connected to the fixing part, and in the radial direction, the outer circumference of the fixing part is completely covered by the second shock absorbing part.

As a further improvement of the embodiment of the present invention, the box includes an outer shell, an inner tank forming a cavity with the outer shell, and a foaming material located in the cavity, and the first shock-absorbing structure is foamed and fixed. in the cavity.

As a further improvement of the embodiment of the present invention, the household appliance is a refrigerator.

As a further improvement of the embodiment of the present invention, there are two second limiting structures and two third limiting structures, and the two second limiting structures and the two third limiting structures are respectively close to the left side and the right edge setting

Compared with the prior art, the present invention has the beneficial effect that: the motor base is fixedly connected to the fastener, and the fastener is completely embedded in the first shock absorber, so that the fastener will not interfere with the box body direct contact, so that the motor seat and the box body are flexibly connected, the shock absorption effect of the motor of the household appliance is very good, and the noise is greatly reduced.

Description of drawings

Fig. 1 is a front view of a household appliance in a specific embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of the household appliance in Fig. 1;

Fig. 3 is a schematic perspective view of another direction of the household appliance in Fig. 2;

Fig. 4 is a three-dimensional exploded schematic diagram of the household appliance in Fig. 1, where the liner of the box is removed;

Fig. 5 is a perspective exploded schematic diagram of another direction of the household appliance in Fig. 4 .

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

In describing specific embodiments of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "bottom", "inner The orientation or positional relationship indicated by " and "outside" is based on the orientation or positional relationship shown in the attached drawings, and is usually referred to when the household appliance is in normal use, rather than indicating that the indicated position or component must have a specific orientation .

Furthermore, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by the above terms. The above terms are only used to distinguish these descriptive objects from each other. For example, the first shock-absorbing structure may be called the second shock-absorbing structure, and similarly, the second shock-absorbing structure may also be called the first shock-absorbing structure, which does not depart from the scope of protection of this application.

As shown in FIGS. 1 to 5 , the present invention discloses a household appliance. Specifically, in this embodiment, the household appliance is a refrigerator. Certainly, the household appliance may also be a freezer, a freezing device, a refrigeration device, and the like. The refrigerator includes a box body and a door body for opening or closing the box body. The household appliance includes a box body defining a compartment and a motor device 10 arranged in the box body. The motor device 10 is used to drive any other device or structure that is arranged in the box body and needs to be driven by the motor device 10, such as an ice-making device, a shelf frame etc. The motor device 10 includes a motor base 12 and a motor body 14 fixedly connected to the motor base 12 .

Wherein, the household appliance also includes a first shock absorbing structure. The first shock absorbing structure includes a first shock absorber 16 arranged on the box body and having a certain degree of flexibility, and at least one shock absorber 16 embedded in the first shock absorber 16 and having a certain degree of rigidity. Fastener 18, the motor seat 12 is fixedly connected to the fastener 18, the connection direction between the motor seat 12 and the fastener 18 is defined as the axial direction, and the direction perpendicular to the axial direction is the radial direction. In the radial direction, fastening The outer periphery of the element 18 is completely covered by the first shock absorbing element 16 . In addition, for ease of illustration, the fastener 18 is disassembled from the first shock absorber 16 in the figure, and the actual product is that the fastener 18 is embedded in the first shock absorber 16 as a whole.

In this preferred embodiment, the first shock absorbing member 16 is a rubber member. Of course, the first shock absorber 16 can also be made of other flexible materials. There are two fasteners 18, of course, other numbers of fasteners 18 can also be provided according to specific design requirements. Preferably, the fastener 18 is a nut, and the nut is embedded in the first shock absorber 16 . The outer periphery of the nut perpendicular to its axial direction is completely covered by the first shock absorber 16 , and one end of the nut is not covered by the first shock absorber 16 and fits with a screw, and the screw passes through the motor base 12 and fits with the nut. The other end of the nut can be set to be fully covered by the first shock absorber 16, or can be set to be partially covered by the first shock absorber 16, but no matter how it is set, as long as it is ensured that there is a gap between the other end of the nut and the box body. a certain distance. In this way, the box body is in contact with the first shock absorber 16, but not with the nut. In addition, the box body is provided with through holes for the screws to pass through, and the screws do not contact the box body.

In this embodiment, the motor base 12 is fixedly connected to the fastener 18, and the fastener 18 is completely embedded in the first shock absorber 16, so that the fastener 18 will not be in direct contact with the box, so that the motor base 12 It is flexibly connected with the box body, and the shock absorption effect of the motor of the household appliance is very good, which greatly reduces the noise.

Further, the box body includes an outer shell (not shown), an inner tank 19 forming a cavity with the outer shell, and a foam material located in the cavity, and the first shock-absorbing structure is foamed and fixed in the cavity.

In order to facilitate the fixing of the first shock absorbing member 16 , the first shock absorbing structure further includes a connecting member 20 fixed to the box and having a certain rigidity, and the first shock absorbing member 16 is disposed on the connecting member 20 . The connecting piece 20 is provided with a hole communicating with the through hole on the box body, and the rigidity of the connecting piece 20 is greater than that of the first shock absorbing piece 16 . In order to further improve the damping effect and reduce noise, a first shock absorber (not shown) is also provided between the motor base 12 and the casing, and screws (not shown) pass through the motor base 12, the first shock absorber (not shown) ), box body and connector 20, and finally match with fastener 18.

Specifically, the connecting member 20 is provided with an accommodating groove 24 adapted to the outer circumference of the first shock absorbing member 16 , and the first shock absorbing member 16 is located in the accommodating groove 24 . The outer peripheral contour of the first shock absorber 16 is basically consistent with the outer peripheral contour of the motor base 12 facing the first shock absorber 16 .

Specifically, both the connecting part 20 and the first shock absorbing part 16 are foamed and fixed in the cavity. To facilitate the positioning of the connecting piece 20 , a positioning structure for positioning the connecting piece 20 is provided on the side of the inner container 19 facing the cavity. When assembling, the fastener 18 is first clamped into the first shock absorber 16, and then the first shock absorber 16 is placed in the accommodating groove 24, and then the fastener 18, the first shock absorber 16 and The assembly formed by the connecting piece 20 is matched with the positioning structure on the inner container 19, and foaming is finally performed. In this way, the first shock-absorbing structure can be stably and reliably fixed to the box body, and is located in the cavity without occupying the volume of the box body.

The household appliance also includes a shelf (not shown) located in the compartment and a lifting device 26 that is connected with the shelf and lifts the shelf. The motor device 10 is connected with the lifting device 26 to drive the lifting device 26 to move. Specifically, the lifting device 26 includes a lead screw 28 connected to the motor body 14 and a nut member 30 threadedly engaged with the lead screw 28 , and the nut member 30 is fixed relative to the shelf. The nut member 30 is provided with an internal thread portion 32 matched with the lead screw 28 . This technology is suitable for smart homes and can automatically realize the lifting adjustment of the shelf.

The lifting device 26 also includes a guide rod 34 that is fixed relative to the box, and the nut member 30 is provided with a guide hole 36 through which the guide rod 34 passes. In order to stabilize the lifting of the shelf, the extension length of the guide hole 36 in the longitudinal direction is greater than the extension length of the internal thread portion 32 in the longitudinal direction. The nut member 30 is arranged in a substantially L-shape. The lifting device 26 also includes a support member 38 fixedly connected to the nut member 30, the nut member 30 is provided with a raised portion 40 extending in the longitudinal direction, the support member 38 has a U-shaped portion 42 covering the outer side of the raised portion 40, The upper connecting portion 44 that is connected with the U-shaped portion 42 and the side portion 46 that is connected with the upper connecting portion 44, the upper connecting portion 44 is provided with a light hole 45 for the guide rod 34 to pass through, and the diameter of the light hole 45 is earlier than The diameter of the pilot hole 36. The diameter of the guide hole 36 is set larger, in order to facilitate the quick installation between the nut piece 30 and the guide rod 34 , and the diameter of the light hole 45 is set smaller, in order to better guide the nut piece 30 . And the side part 46 is fixedly connected with the shelf.

One end of the guide rod 34 is fixedly connected to the box body, and the other end of the guide rod 34 is fixedly connected to the motor base 12 .

The household appliance also includes an upper mount 48 fixedly arranged relative to the box body, one end of the lead screw 28 is connected to the motor body 14, and the other end of the lead screw 28 is rotatably connected to the upper mount 48, and the household appliance also includes a second reducer. The second shock absorbing structure includes a second shock absorber 50 that is arranged on the box and has a certain degree of flexibility and a fixed member 52 embedded in the second shock absorber 50 and has a certain rigidity. The upper mounting base 48 is fixedly connected to the The fixing part 52 , in the radial direction, the outer periphery of the fixing part 52 is completely covered by the second shock absorbing part 50 . A bearing 53 is provided between the lead screw 28 and the upper mount 48 to ensure the stable rotation of the lead screw 28 relative to the upper mount 48 .

The outer periphery of the fixing member 52 perpendicular to the axial direction of the fastener 18 is completely covered by the second shock absorbing member 50, and one end of the fixing member 52 is not covered by the second shock absorbing member 50 but is passed through a fastening screw (not shown). Rigidly connected with the upper mount 48. The other end of the fixing part 52 can be set to be completely covered by the second shock absorbing part 50, and can also be set to be partially covered by the second shock absorbing part 50, but no matter how it is set, as long as the other end of the fixing part 52 is guaranteed to be in contact with the box. There is a certain distance between bodies. In this way, the box is in contact with the second shock-absorbing member 50 and not in contact with the fixing member 52 . In this preferred embodiment, the second shock absorbing member 50 is also configured as a rubber member. Of course, the second shock absorbing member 50 can also be made of other flexible materials. In addition, the box body is provided with a through hole through which the fastening screw passes, and the fastening screw does not contact the box body. Likewise, for ease of illustration, the fixing part 52 and the second shock absorbing part 50 are decomposed in the figure, and the actual product is that the fixing part 52 is embedded in the second shock absorbing part 50 as a whole.

The fixing member 52 is a large metal plate. Specifically, the volume of the fixing part 52 is larger than that of the fastening part 18 . Preferably, the fixing member 52 is a square metal plate. The fixing member 52 is provided with internal threads matched with fastening screws. Fixtures 52 are provided as a large piece of metal rather than as smaller nuts. This enables the fixing member 52 to better bear the load, and ensures that when the shelf moves up and down and bears a heavy object of about 20Kg, it still has a good shock absorption effect and prevents the shelf from falling off. Furthermore, the first damping structure at the bottom is provided with a fastener 18 for fixing the motor as a relatively small piece of metal. The fastener 18 does not play a load-bearing role. So as to better play the role of shock absorption.

Further, the second shock-absorbing structure is also foamed and fixed in the cavity between the shell and the liner 19 . Specifically, the second shock absorber 50 is disposed on the connecting member 20 , and the connecting member 20 is provided with a receiving groove 54 matching the outer circumference of the second shock absorbing member 50 , and the second shock absorbing member 50 is located in the receiving groove 54 . Usually, the second shock absorber 50 is designed as a square.

Further, a second shock-absorbing pad 56 is also provided between the upper mounting base 48 and the box body, and the fastening screw passes through the upper mounting base 48, the second shock-absorbing pad 56, the box body and the connecting piece 20, and finally connects with the fixing piece 52 mating.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (5)

1. A household appliance, said household appliance comprising a box body defining a compartment and a motor device disposed on said box body, said motor device comprising a motor base and a motor body fixed to said motor base, characterized in That is, the household appliance further includes a first shock absorbing structure, and the first shock absorbing structure includes a first shock absorbing member provided on the box body and having a certain degree of flexibility, and a first shock absorbing member embedded in the first shock absorbing member. At least one fastener and a connecting piece that is fixed to the box and has a certain rigidity, the first shock absorbing piece is arranged on the connecting piece, and the connecting piece is provided with a connection with the first shock absorbing piece. An accommodating groove adapted to the outer circumference, the first shock absorber is located in the accommodating groove, the motor base is fixedly connected to the fastener, and the connection between the motor base and the fastener is defined The direction is the axial direction, and the direction perpendicular to the axial direction is the radial direction. In the radial direction, the outer circumference of the fastener is completely covered by the first shock absorber. The household appliance also includes The shelf provided in the compartment and the lifting device connected with the shelf to make the shelf lift up and down, the motor device is connected with the lifting device to drive the lifting device to move, the lifting device The device includes a lead screw connected with the motor body and a nut part threadedly fitted with the lead screw, the nut part is fixed relative to the shelf, and the household appliance also includes a The upper mounting base is fixedly arranged on the box body, one end of the screw is connected to the motor body, the other end of the screw is rotatably connected to the upper mounting base, and the household appliance also includes a second shock absorber structure, the second shock absorbing structure includes a second shock absorber with a certain degree of flexibility arranged on the box and a fixing member embedded in the second shock absorber, and the upper mounting base is fixedly connected to the In the radial direction, the outer circumference of the fixing member is completely covered by the second shock absorbing member. 2. The household appliance according to claim 1, wherein the lifting device further comprises a guide rod that is fixed relative to the box, and the nut part is provided with a hole for the guide rod to pass through. pilot hole. 3. The household appliance according to claim 2, wherein one end of the guide rod is fixedly connected to the box body, and the other end of the guide rod is fixedly connected to the motor base. 4. The household appliance according to claim 1, wherein the box body comprises an outer shell, an inner container forming a cavity with the outer shell, and a foaming material located in the cavity, the first A shock-absorbing structure is foamed and fixed in the cavity. 5. The household appliance according to any one of claims 1 to 4, characterized in that the household appliance is a refrigerator.

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