CN214006875U - Refrigerator with door body capable of being automatically opened and closed - Google Patents
Refrigerator with door body capable of being automatically opened and closed Download PDFInfo
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- CN214006875U CN214006875U CN202021266012.6U CN202021266012U CN214006875U CN 214006875 U CN214006875 U CN 214006875U CN 202021266012 U CN202021266012 U CN 202021266012U CN 214006875 U CN214006875 U CN 214006875U
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- 230000009471 action Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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Abstract
The utility model discloses a door body automatic switch refrigerator, which is provided with a door body pre-opening device for driving a door body to open a preset angle and a door body automatic closing device for driving the door body to automatically close; based on the structure of the door body automatic opening and closing refrigerator provided by the utility model, because the door body automatic closing device is provided with the restoring force for keeping the door body abutted to the ejector rod component before the door body is jacked to the preset angle by the ejector rod component, the speed of the door body when jacked to be opened can be consistent with the moving speed of the ejector rod component, and the situations of quick bouncing of the door body and unstable operation in the prior art are effectively avoided; and the door body automatic closing device of the door body automatic opening and closing refrigerator can also drive the door body to be automatically closed after the door body is opened, so that the operation of a user is easier, and when the door body is jacked open due to misoperation, the door body automatic closing device can also realize the reclosing of the door body, and the problem of large-scale leakage of cold energy of the door body automatic opening and closing refrigerator due to misoperation is avoided.
Description
Technical Field
The utility model relates to a domestic appliance field especially relates to a door body automatic switch refrigerator.
Background
Along with the continuous improvement of the living standard of people, the smart home becomes the development trend which cannot be avoided at present, various products which accord with the smart home are produced, the refrigerator is used as an indispensable tool in modern home life and also becomes an important link of the smart home, and the intelligent and high-performance refrigerator becomes a market favorite. The door body of the existing refrigerator is opened by adopting a manual pulling mode, and when the adsorption force between the door body of the refrigerator and the refrigerator body is too small, the problems of poor sealing effect of the door body, leakage of cold air and the like are easily caused; when the adsorption force between the refrigerator door and the refrigerator body is too large, the problem that the door is difficult to open is easily caused.
In order to overcome the problems in the prior art, the adsorption force between the refrigerator door body and the refrigerator body can be overcome by adopting modes such as an ejector rod and the like so as to open the door body at a certain small angle, and then a user can open the door with small force while ensuring that the refrigerator has good sealing performance. However, the following problems exist in the prior art in which the push rod pre-opening door is adopted: in the process of opening the door body, the force which is applied to the door body by the ejector rod at the moment of opening the door body to overcome the adsorption of the door body is larger, the door body can be instantly and quickly flicked and separated from the end part of the ejector rod, so that the motion of the door body is unstable, and the stored objects at the inner side of the door body can be turned over and fallen; in addition, the situation that the door body is opened by jacking due to misoperation and cannot be closed automatically can also occur in the mode that the ejector rod is used for pre-opening the door.
In view of the above, there is a need to provide an improved solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that prior art exists at least, for realizing the above-mentioned utility model purpose, the utility model provides a door body automatic switch refrigerator, its concrete design as follows.
The refrigerator with the automatic door opening and closing function comprises a refrigerator body and a door body rotationally connected to the refrigerator body, and further comprises a door body pre-opening device for driving the door body to open by a preset angle and an automatic door body closing device for driving the door body to close automatically; the door body pre-opening device comprises a push rod assembly and a driving assembly, wherein the push rod assembly is positioned at the rear side of the door body and used for pushing the door body, and the driving assembly drives the push rod assembly to move back and forth towards the direction of the door body; before the door body is jacked to the preset angle by the jacking rod assembly, the door body automatic closing device is provided with restoring force for keeping the door body abutted to the jacking rod assembly.
Further, the ejector rod assembly comprises an ejector rod and an ejector block, the length direction of the ejector rod is consistent with the moving direction of the ejector rod assembly, and the ejector block is rotatably connected to one end, facing the door body, of the ejector rod along a vertical rotating shaft.
Further, the top block is provided with a roller or a ball for rolling and abutting against the door body.
Further, the driving component is a motor.
Further, the door body is rotatably connected to the box body along a rotating shaft, the door body automatic closing device comprises an upper cam and a lower cam, the upper cam synchronously rotates along with the door body, the lower cam is fixed to the box body, the upper cam and the lower cam are arranged in an upper and lower matching mode along the extending direction of the rotating shaft, and the upper cam and the lower cam are provided with a pair of matching surfaces which are matched with each other to drive the upper cam to rotate along the closing direction of the door body when the upper cam moves downwards.
Furthermore, the door body automatic closing device also comprises a spring which is arranged at the top of the upper cam in an extruding way so as to drive the upper cam to move downwards.
Further, the door body automatic closing device further comprises a mounting seat fixed to the door body and rotating synchronously along with the door body, the mounting seat is provided with a containing cavity for containing the upper cam, the lower cam and the spring, the mounting seat is provided with a top cover located at the top of the containing cavity for abutting against the upper end of the spring, and the lower cam is provided with a fixing part protruding out of the lower end of the containing cavity to be fixed to the box body.
Further, the side wall of the containing cavity is provided with at least one strip-shaped groove extending up and down, and the periphery of the upper cam is provided with protrusions which correspond to the strip-shaped grooves one by one and slide up and down along the strip-shaped grooves.
Further, the door body is rotatably connected to the box body along a rotating shaft, and the door body automatic closing device is a torsion spring which surrounds the rotating shaft to connect the box body and the door body.
The refrigerator further comprises a signal receiver for receiving a door opening signal sent by a user, a data processor for processing the signal received by the signal receiver, and a controller for controlling the door body pre-opening device to act according to the processing result of the data processor.
The utility model has the advantages that: based on the structure of the door body automatic opening and closing refrigerator provided by the utility model, because the door body automatic closing device is provided with the restoring force for keeping the door body abutted to the ejector rod component before the door body is jacked to the preset angle by the ejector rod component, the speed of the door body when jacked to be opened can be consistent with the moving speed of the ejector rod component, and the situations of quick bouncing of the door body and unstable operation in the prior art are effectively avoided; the door body automatic closing device of the door body automatic opening and closing refrigerator can drive the door body to be automatically closed after the door body is opened, so that the operation of a user is easier, and when the door body is pushed open due to misoperation, the door body automatic closing device can also realize the reclosing of the door body, and the problem of large amount of cold leakage in the door body automatic opening and closing refrigerator due to misoperation is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a first angle schematic view of the overall structure of the automatic door opening and closing refrigerator according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the housing removed;
fig. 3 is a schematic view of a first angle of the door pre-opening device according to the present invention;
FIG. 4 is a second angle view of the door pre-opening device of FIG. 3;
FIG. 5 is a schematic view of a door of an automatic opening and closing refrigerator being pushed to a predetermined angle;
FIG. 6 is an enlarged view of a portion a of FIG. 5;
fig. 7 is a second angle schematic view of the overall structure of the automatic door opening and closing refrigerator according to the present invention;
FIG. 8 is a schematic structural view of an automatic door closing device;
FIG. 9 is a schematic disassembly view of the automatic door closing apparatus of FIG. 8;
FIG. 10 is a further schematic illustration, broken away, of the embodiment shown in FIG. 9;
fig. 11 is a schematic structural view of the automatic door closing device cut by a plane passing through the door body rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2, 5 and 7, the present invention discloses a door body automatic opening and closing refrigerator, which comprises a refrigerator body 11 and a door body 12 rotatably connected to the refrigerator body 11. The refrigerator with the automatic door opening and closing function further comprises a door pre-opening device 200 and an automatic door closing device 300, wherein the door pre-opening device 200 is used for enabling the door 12 to be opened at a preset angle by a user manually opening the door pre-driving, and the automatic door closing device 300 is used for driving the door 12 to be automatically closed.
In the present invention, the door pre-opening device 200 includes a post rod assembly located at the rear side of the door 12 for pushing the door 12 and a driving assembly 22 for driving the post rod assembly to move back and forth in the direction of the door 12; before the door body 12 is pushed to a predetermined angle by the knock rod assembly, the door body automatic closing apparatus 300 is provided with a restoring force that keeps the door body 12 abutted to the knock rod assembly.
In the embodiment structure of the door automatic opening and closing refrigerator of the present invention, the box body 11 has the inner container 110 constituting the refrigerating chamber thereof, and the door pre-opening device 200 is disposed outside the top of the inner container 110. It is understood that, in other embodiments of the present invention, the door pre-opening device 200 may be disposed at other positions where the door can be opened at a certain angle, and is not limited to the position shown in fig. 2.
Based on the structure of the door body automatic switch refrigerator provided by the utility model, because before the door body 12 is jacked to a preset angle by the ejector rod assembly, the door body automatic closing device is provided with restoring force for keeping the door body 12 butted to the ejector rod assembly, namely, the door body 12 can not be separated from the end part of the ejector rod assembly under the action of the restoring force, so that the speed of the door body 12 when jacked is consistent with the moving speed of the ejector rod assembly, and the situations of quick bouncing of the door body and unstable operation in the prior art are effectively avoided; and the door body automatic closing device of the door body automatic opening and closing refrigerator can drive the door body 12 to be automatically closed after the door body 12 is opened, so that the operation of a user is easier, and when the door body 12 is pushed open due to misoperation, the door body automatic closing device can also realize the secondary closing of the door body 12, and the problem of large-scale leakage of the cold energy of the door body automatic opening and closing refrigerator due to misoperation is avoided.
One specific construction of the door pre-opening device 200 is further developed as follows:
referring to fig. 2, 3 and 4, in the present embodiment, the lift pin assembly includes a lift pin 21 and a top block 23, a length direction of the lift pin 21 is the same as a moving direction of the lift pin assembly, and the top block 23 is rotatably connected to an end of the lift pin 21 facing the door body 12 along a vertical rotating shaft O-O'. Generally, the top block 23 has an abutment surface 230 for directly abutting against the rear side surface of the door body. When the door body 12 is pushed open, the plane of the rear side surface of the door body 12 gradually deviates, and the top block 23 is rotatably connected to the top rod 21 along a vertical rotating shaft O-O', so that the maximum contact area is kept between the rear side surface of the door body 12 and the abutting surface 230, and the rear side surface of the door body 12 is prevented from being damaged due to overlarge local pressure.
More specifically, as shown in fig. 5 and 6, the front surface of the case 11 is further formed with a through hole through which the lift pin 21 extends to allow the top block 23 to abut against the rear surface of the door 12.
As a further preferred feature of the present invention, in some embodiments, the top block 23 further has a roller or a ball (not shown) for rolling and abutting against the door body 12, and in the specific implementation process, the roller or the ball is disposed on a side surface of the abutting surface 230. The jacking block 23 and the door body 12 can generate relative displacement in the jacking process of the door body 12, and the problem that the door body 12 is scratched by the jacking block 23 can be avoided due to the arrangement mode of rolling and abutting.
It can be understood that the utility model relates to a door body automatic switch refrigerator can also have signal receiver, data processor and controller. A specific door opening mode of the door body automatic opening and closing refrigerator is that the signal receiver is used for receiving a signal which is sent by a user and needs to be opened, the signal is processed by the data processor and then transmitted to the controller, the controller controls the door body pre-opening device 200 to move to realize small-angle opening (namely, opening a preset angle), and then the user can manually pull the door to complete the door opening movement. In a specific implementation process, the signal receiver may be a voice receiver for receiving voice of a user, or may be a sensor for receiving touch operation or press operation of the user, or the like, which is capable of receiving a signal and transmitting the received signal to the data processor.
Usually, a door pre-opening device operation control program can be preset in the controller, and the operation control program comprises the following steps: the door body pre-opening device is started, and the ejector rod 21 moves towards the direction of the door body 12 at a set speed for a set distance; locking the current position of the ejector rod 21 to set time; the jack 21 retreats from the current position. In a specific implementation process, the set time range of the locking of the ejector rod 21 can be 3s-10 s. Based on this control program, when the door 12 is pushed open by an erroneous operation, the door 12 may be automatically closed by the door automatic closing device 300 even when the jack 21 is retreated from the current position.
In the specific implementation process, the driving assembly can be a motor. It can be understood that in the application scenario of the refrigerator with the automatic opening and closing of the door body, the related action of the motor is controlled by the controller.
A specific structure of the door body automatic closing apparatus 300 according to the present invention will be described below with reference to fig. 7, 8, 9, 10, and 11.
It will be appreciated that the door 12 of the present invention is rotatably connected to the cabinet 11 along a pivot axis. In the present embodiment, referring to the figures, the door automatic closing apparatus 300 includes an upper cam 34 rotating synchronously with the door 12 and a lower cam 33 fixed to the housing 11, the upper cam 34 and the lower cam 33 are disposed in an upward and downward fit along the extending direction of the rotating shaft of the door 12, and the upper cam 34 and the lower cam 33 have a pair of fitting surfaces that cooperate with each other to drive the upper cam 34 to rotate in the door closing direction when the upper cam 34 moves downward.
More specifically, the lower cam 33 has a first engagement surface 331 disposed obliquely, and the upper cam 34 has a second engagement surface 341 engaged with the first engagement surface 331. When the door body 12 is opened, the upper side portion of the first engagement surface 331 engages with the lower side portion of the second engagement surface 341; when the upper cam 34 moves downward, the second engagement surface 341 slides relative to the first engagement surface 331, so that the door body 12 rotating in synchronization with the upper cam 34 is gradually closed.
The utility model relates to a door body automatic switch refrigerator passes through self-closing device 300 and can order about 12 self-closing of a body after 12 open of a body to it is easier to make the user operation.
In the implementation process, the lower cam 33 has a column rod 333 protruding upwards along the extension direction of the rotation shaft, and the upper cam 34 is sleeved on the column rod 333 to perform the rotation and up-and-down movement.
As a preferred embodiment of the present invention, as shown in fig. 7 to 9, the door body automatic closing apparatus 300 further includes a spring 36 which is disposed at the top of the upper cam 34 in a pressing manner to urge the upper cam 34 to move downward.
It will be appreciated that in other embodiments of the present invention, the downward force of the upper cam 34 may be provided by the weight of the door body 12, and is not further developed.
In this embodiment, the door automatic closing apparatus 300 further includes a mounting seat 32 fixed to the door 12 and rotating synchronously with the door 12, the mounting seat 32 has a receiving cavity 320 for receiving an upper cam 34, a lower cam 33 and a spring 36, the mounting seat 32 has a top cover 35 located on the top of the receiving cavity 320 for abutting against the upper end of the spring 36, and the lower cam 33 has a fixing portion 332 protruding beyond the lower end of the receiving cavity 320 and fixed to the box 11.
In the implementation process, the top cover 35 is detachably mounted on the top of the receiving cavity 320, so that the assembling operation of the components inside the receiving cavity 320 can be facilitated.
As further shown in the drawings, in this embodiment, the door automatic closing apparatus 300 further includes a fixing plate 31 located at a lower side of the door 12 and fixed to the box 11, and the fixing portion 332 of the lower cam 33 is fixed to the fixing plate 31, so as to realize a fixed connection between the lower cam 33 and the box 11.
In this embodiment, in order to enable the upper cam 34 to rotate synchronously with the door 12 and to move up and down, at least one strip-shaped groove 321 extending up and down is formed in the side wall of the accommodating chamber 320, and the peripheral edge of the upper cam 34 has protrusions 342 corresponding to the strip-shaped groove 321 one by one and sliding up and down along the strip-shaped groove 321.
In another embodiment of the present invention, the door self-closing apparatus 300 is a torsion spring surrounding the rotation shaft to connect the box body 11 and the door body 12. The torsion spring can provide a restoring force for driving the door body 12 to return to the closed state.
It is understood that in other embodiments of the present invention, the door body automatic closing device 300 may also have other configurations, which are not further described herein. It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The refrigerator with the automatic door opening and closing function comprises a refrigerator body and a door body rotationally connected to the refrigerator body, and is characterized by further comprising a door body pre-opening device and a door body automatic closing device, wherein the door body pre-opening device is used for driving the door body to be opened by a preset angle, and the door body automatic closing device is used for driving the door body to be automatically closed; the door body pre-opening device comprises a push rod assembly and a driving assembly, wherein the push rod assembly is positioned at the rear side of the door body and used for pushing the door body, and the driving assembly drives the push rod assembly to move back and forth towards the direction of the door body; before the door body is jacked to the preset angle by the jacking rod assembly, the door body automatic closing device is provided with restoring force for keeping the door body abutted to the jacking rod assembly.
2. The refrigerator with the automatic door opening and closing function according to claim 1, wherein the ejector rod assembly comprises an ejector rod and an ejector block, the length direction of the ejector rod is consistent with the moving direction of the ejector rod assembly, and the ejector block is rotatably connected to one end, facing the door body, of the ejector rod along a vertical rotating shaft.
3. The refrigerator with the automatic door opening and closing function according to claim 2, wherein the top block is provided with a roller or a ball which is in rolling contact with the door body.
4. The refrigerator with the automatic door opening and closing function according to claim 1, wherein the driving assembly is a motor.
5. The door automatic opening and closing refrigerator according to any one of claims 1 to 4, wherein the door is rotatably connected to the refrigerator body along a rotating shaft, the door automatic closing apparatus includes an upper cam that rotates synchronously with the door and a lower cam that is fixed to the refrigerator body, the upper cam and the lower cam are disposed to be engaged up and down along an extending direction of the rotating shaft, and the upper cam and the lower cam have a pair of engagement surfaces that are engaged with each other to drive the upper cam to rotate in a closing direction of the door when the upper cam moves down.
6. The refrigerator with the automatic door opening and closing function according to claim 5, wherein the automatic door closing device further comprises a spring which is arranged at the top of the upper cam in a pressing mode and drives the upper cam to move downwards.
7. The refrigerator with the automatic door opening and closing device according to claim 6, further comprising a mounting seat fixed to the door and rotating synchronously with the door, wherein the mounting seat has an accommodating cavity for accommodating the upper cam, the lower cam and the spring, the mounting seat has a top cover located at the top of the accommodating cavity for abutting against the upper end of the spring, and the lower cam has a fixing portion protruding beyond the lower end of the accommodating cavity to be fixed to the refrigerator body.
8. The refrigerator with the automatic door opening and closing function according to claim 7, wherein at least one strip-shaped groove extending up and down is formed in the side wall of the accommodating cavity, and the periphery of the upper cam is provided with protrusions which correspond to the strip-shaped groove in a one-to-one mode and slide up and down along the strip-shaped groove.
9. The refrigerator with the automatic door opening and closing function according to any one of claims 1 to 4, wherein the door is rotatably connected to the refrigerator body along a rotating shaft, and the automatic door closing device is a torsion spring which surrounds the rotating shaft to connect the refrigerator body and the door.
10. The refrigerator with the automatic door opening and closing function according to any one of claims 1 to 4, further comprising a signal receiver for receiving a door opening signal sent by a user, a data processor for processing the signal received by the signal receiver, and a controller for controlling the door pre-opening device to act according to a processing result of the data processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266012.6U CN214006875U (en) | 2020-06-30 | 2020-06-30 | Refrigerator with door body capable of being automatically opened and closed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266012.6U CN214006875U (en) | 2020-06-30 | 2020-06-30 | Refrigerator with door body capable of being automatically opened and closed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214006875U true CN214006875U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021266012.6U Active CN214006875U (en) | 2020-06-30 | 2020-06-30 | Refrigerator with door body capable of being automatically opened and closed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214006875U (en) |
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2020
- 2020-06-30 CN CN202021266012.6U patent/CN214006875U/en active Active
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