CN219548702U - Novel refrigerator door - Google Patents

Abstract

The utility model relates to the field of refrigerator manufacturing, in particular to a novel refrigerator door, which is hinged with a refrigerator body through a hinge shaft, wherein the hinge shaft extends out of the surface of the refrigerator door, an induction device, a rotating mechanism, a controller and a power module are arranged on the refrigerator door, the induction device comprises an opening and closing induction piece for inducing whether the refrigerator door is opened or not and a human body induction piece for inducing whether a person is near the refrigerator door or not, the controller is respectively and electrically connected with the opening and closing induction piece, the human body induction piece, the power module and the rotating mechanism, the rotating mechanism is arranged on the refrigerator body, an output shaft of the rotating mechanism is detachably connected with one end of the hinge shaft extending out of the surface of the refrigerator door, and the rotating mechanism is used for driving the refrigerator door to rotate relative to the refrigerator body. The refrigerator door can detect that a user forgets to close the refrigerator door, and the refrigerator door is automatically closed by a relatively simple mechanism without changing the overall structure of the refrigerator body.

Description

Novel refrigerator door

Technical Field

The utility model relates to the field of refrigerator manufacturing, in particular to a novel refrigerator door.

Background

In daily life, people often encounter the phenomena of forgetting to close the refrigerator door after opening the refrigerator door or closing the refrigerator door by hands but not really closing the refrigerator door, and the like. If the refrigerator door is not closed for a long time, the problems that the refrigerator is largely leaked, the temperature of the refrigerator cannot reach a set value, the performance of the refrigerator is affected, the fresh-keeping effect of the refrigerator cannot be achieved, and the like can occur.

In the prior art, a magnetic force piece is usually arranged on a refrigerator body or a refrigerator door, and the refrigerator door is closed through magnetic force attraction, but the method is only suitable for the condition that the refrigerator door is opened at a small angle, if the opening angle of the refrigerator door is too large, the refrigerator door cannot be closed through magnetic force attraction, so that the refrigerator is always in a door opening state, thereby causing partial energy consumption, exposing food in the refrigerator, easily causing the condition that the food in the refrigerator is deteriorated, and also causing damage to the refrigerator and shortening the service life of the refrigerator.

The patent application number is CN202110391902.2, the utility model discloses a refrigerator door capable of realizing energy saving and convenient automatic closing after opening, which comprises a refrigerator body, the front side of the refrigerator body is rotationally connected with a refrigerator door, the inside fixedly connected with of the refrigerator body is rotationally connected with the inner side of the refrigerator door, the outside fixedly connected with electro-magnet I of the refrigerator body, the inside fixedly connected with electro-magnet II of the refrigerator door is connected with the both sides of the fixed shaft fixedly connected with circular telegram wire, the top fixedly connected with dielectric plate of the refrigerator door, the top of the refrigerator body is fixedly connected with positive plate near the top of the dielectric plate, the top of the fixed shaft is fixedly connected with negative plate near the bottom of the dielectric plate, the top of the fixed shaft is fixedly connected with a piezoresistor near the right side of the refrigerator door, the inside of the refrigerator body is provided with a movable groove near the right side of the refrigerator door, the inside of the refrigerator door is provided with a fluid groove, the bottom of the refrigerator door is fixedly connected with a transmission rod movably connected with the right side of the refrigerator body, the inside of the fluid groove is movably connected with a piston, the inside of the piston is movably connected with a movable block, a damping hole is formed in the inside the movable block is fixedly connected with the movable block, and a spiral spring is fixedly connected with the inner wall of the piston. This realize energy-conserving refrigerator door of automatic shutdown after conveniently opening drives the operation of dielectric plate through the chamber door, and rethread piezo-resistor and negative plate's cooperation is used, and when opening the refrigerator door, the chamber door drives dielectric plate and rotates downwards, makes the relative area increase between positive plate and the negative plate for the circular telegram wire circular telegram, thereby reached and utilized the circular telegram direction to receive the effect that the effect drove chamber door pivoted in the magnetic field, effectively realized closing the purpose of refrigerator door.

Although the refrigerator door is automatically closed, the refrigerator door is complex in structure, the refrigerator body structure needs to be changed at a plurality of positions, and the refrigerator door which is opened cannot be detected to be opened when a user is using or is forgotten to be closed after using, so that the refrigerator door is easy to open for a plurality of times when the user opens the door to take or place articles, and inconvenience is brought to the user.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a new refrigerator door that can detect that a user forgets to close the refrigerator door and automatically close the refrigerator door by a relatively simple mechanism without changing the overall structure of the refrigerator cabinet.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a novel refrigerator door, the refrigerator door passes through the articulated shaft and articulates with the refrigerator box, the articulated shaft extends refrigerator door surface, be provided with induction system, slewing mechanism, controller, power module on the refrigerator door, induction system is including the open and shut inductor that is used for responding to whether the refrigerator door is opened and be used for responding to near someone's human induction piece of refrigerator door, the controller is connected respectively the electricity open and shut inductor, human induction piece, power module, slewing mechanism installs on the refrigerator box, its output shaft can dismantle the connection the articulated shaft extends the one end on refrigerator door surface, slewing mechanism is used for driving the refrigerator door is relative the refrigerator box is rotatory.

Further, the slewing mechanism includes box body, motor, driving gear, driven gear, electric putter, the box body is installed on the refrigerator box body, motor, driving gear, driven gear, electric putter are all installed inside the box body, the output shaft of motor the pivot of driving gear, driven gear meshes with the driving gear mutually, driven gear's pivot both ends are connected respectively electric putter and articulated shaft, electric putter's stiff end is installed the top of box body, and the flexible end is rotated and is connected driven gear's pivot, driven gear's pivot can be dismantled and is connected the articulated shaft, articulated shaft or driven gear's pivot activity wears to establish the bottom of box body, motor and electric putter are the electricity respectively the controller.

Further, the hinge shaft and the rotating shaft of the driven wheel are respectively provided with an anti-slip pad, and one end of the anti-slip pad, which is connected with the hinge shaft and the rotating shaft of the driven wheel, can prevent the hinge shaft from slipping along with the rotation of the driven wheel by increasing the friction force between the hinge shaft and the rotating shaft of the driven wheel.

Further, the opening and closing sensing piece is a magnetic induction sensor, and the magnetic induction sensor is installed on one side edge of the refrigerator door far away from the hinge shaft and is electrically connected with the controller.

Further, the human body sensing piece is an infrared sensor, the infrared sensor is located on the outer surface of one side, far away from the refrigerator body, of the refrigerator door, and the infrared sensor is electrically connected with the controller.

Further, a timing module is arranged on the refrigerator door and is electrically connected with the controller, if the refrigerator door is still not closed after the set time is reached and the refrigerator is still not nearby, the controller controls the rotating mechanism to rotate, so that whether the refrigerator door is opened or is forgotten to be closed when a user is using is judged, the situation that the user leaves the refrigerator door for a short time and is automatically closed can be prevented, user experience can be improved, and the service life of the refrigerator is prolonged.

Further, an alarm module is arranged on the refrigerator door and is electrically connected with the controller, and when an obstacle exists between the refrigerator door and the refrigerator body, the refrigerator door can not be closed after the rotating mechanism is started, the alarm module gives an alarm to remind a user of taking away the obstacle.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model senses whether the refrigerator door is closed or not and whether people exist nearby the refrigerator or not through the sensing mechanism, and then when the refrigerator door is not closed and no people exist nearby the refrigerator door, the data connection between the control systems is used for controlling the rotation of the rotating mechanism, so that the hinge shaft for hinging the refrigerator door and the refrigerator body is driven to rotate, the refrigerator door is driven to rotate relative to the refrigerator body, and the aim of automatically closing the refrigerator door is achieved.

2. The refrigerator door is driven to rotate only through the transmission among the motor, the driving gear and the driven gear, so that the refrigerator door is driven to be closed, the structure is simple, and the driven gear is driven to displace through the electric push rod, so that the rotating shaft of the driven gear is detachably connected with the hinge shaft, and interference caused when a user manually opens and closes the refrigerator door is avoided.

Drawings

Fig. 1 is a perspective view schematically showing the refrigerator according to the present utility model mounted on a refrigerator cabinet.

Fig. 2 is a front view of the present utility model.

Fig. 3 is an enlarged view at a.

FIG. 4 is a schematic diagram of the control system connection of the present utility model.

Description of the main reference signs

In the figure: 1-refrigerator door, 11-handle, 2-hinge shaft, 3-refrigerator body, 4-magnetic induction sensor, 5-infrared sensor, 6-rotating mechanism, 61-box body, 62-motor, 63-driving gear, 64-driven gear, 65-electric push rod,

7-anti-slip pad, 8-alarm module.

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

Referring to fig. 1-4, in a preferred embodiment of the present utility model, a novel refrigerator door 1 is hinged to a refrigerator body 3 through a hinge shaft 2, the hinge shaft 2 extends out of the surface of the refrigerator door 1, an induction device, a rotating mechanism 6, a controller and a power module are arranged on the refrigerator door 1, the induction device comprises an opening and closing induction piece for inducing whether the refrigerator door 1 is opened or not and a human body induction piece for inducing whether a person is near the refrigerator door 1 or not, the controller is respectively and electrically connected with the induction device, the rotating mechanism 6 and the power module, the rotating mechanism 6 is installed on the refrigerator body 3, an output shaft of the rotating mechanism 6 is detachably connected with one end of the hinge shaft 2 extending out of the surface of the refrigerator door 1, and the rotating mechanism 6 is used for driving the refrigerator door 1 to rotate relative to the refrigerator body 3. According to life experience, the refrigerator door 1 is opened and no person is nearby the refrigerator, the biggest probability is that a user forgets Guan Bing the refrigerator door after using the refrigerator, when the opening and closing sensing piece senses that the refrigerator door 1 is opened and the human body sensing piece senses that no person is nearby the refrigerator, the sensing device transmits a signal to the controller, and the controller controls the rotating mechanism 6 to drive the hinge shaft 2 to rotate, so that the refrigerator door 1 is driven to rotate relative to the refrigerator body 3, and the refrigerator door 1 is closed.

Preferably, the opening and closing sensing piece is a magnetic induction sensor 4, the magnetic induction sensor 4 is electrically connected with the controller, and the magnetic induction sensor 4 is installed on one side edge of the refrigerator door far away from the hinge shaft and is electrically connected with the controller. The magnetic induction sensor 5 is a magnetic induction sensor used in the prior art, for example, the Chinese patent application No. CN202022242597.4, senses whether the refrigerator door is closed or not through the magnetic induction sensor 4, and transmits a signal to the controller; in addition, the human body sensing piece is an infrared sensor 5, the infrared sensor 5 is in the prior art, for example, a pyroelectric human body infrared sensor with the model of SR-602, whether a person is nearby the refrigerator or not is sensed through the infrared sensor 5, and signals are transmitted to the controller; if the refrigerator door 1 is not closed and no people nearby are sensed, the rotating mechanism 6 is controlled to rotate through data connection between the control systems, so that the hinged shaft 2 for hinging the refrigerator door 1 and the refrigerator body 3 is driven to rotate, the refrigerator door 1 is driven to rotate relative to the refrigerator body 3, and the purpose of automatically closing the refrigerator door 1 is achieved.

Because the user often takes out articles in the refrigerator for many times or puts articles in the refrigerator for many times in a short time when using the refrigerator, in order to prevent the refrigerator door from being automatically closed when leaving for a short time from causing trouble of the user, the service life of the refrigerator is shortened, and the utility model adopts the preferable scheme that: the refrigerator door 1 is provided with a timing module which is electrically connected with the controller, when the fact that the door is not closed and no person nearby is detected, timing is started, signals are transmitted to the controller, if the door is not closed and no person nearby is still left after the set time is reached, the controller controls the rotating mechanism 6 to rotate, and accordingly whether the refrigerator door is opened or is forgotten to be closed when a user is using is judged, the situation that the user leaves the refrigerator door 1 for a short time and is automatically closed can be prevented, user experience can be improved, and the service life of the refrigerator is prolonged. More preferably, the refrigerator door 1 is provided with an alarm module 8, the alarm module 8 is electrically connected with the controller, and when an obstacle exists between the refrigerator door 1 and the refrigerator body 3, the refrigerator door 1 still cannot be closed after the rotating mechanism 6 is started, the alarm module 8 gives an alarm to remind a user of taking away the obstacle. In this embodiment, the alarm module 8 is an audible and visual alarm.

Preferably, the rotating mechanism 6 includes a box 61, a motor 62, a driving gear 63, a driven gear 64, and an electric push rod 65, the box 61 is mounted on the refrigerator 3, the motor 62, the driving gear 63, the driven gear 64, and the electric push rod 65 are all mounted inside the box 61, an output shaft of the motor 62 is connected with a rotating shaft of the driving gear 63, the driven gear 64 is meshed with the driving gear 63, two ends of the rotating shaft of the driven gear 64 are respectively connected with the electric push rod 65 and the hinge shaft 2, a fixed end of the electric push rod 65 is mounted at the top of the box 61, a telescopic end is rotatably connected with one end of the rotating shaft of the driven gear 64, the hinge shaft 2 is detachably connected with the hinge shaft 2, or the rotating shaft of the driven gear 64 movably penetrates through the bottom of the box 61, and the motor 62 and the electric push rod 65 are respectively electrically connected with the controller. When the sensing device senses that the refrigerator door 1 is not closed and no person is nearby, a signal is transmitted to the controller, the controller controls the electric push rod 65 to extend, so that the driven gear 64 is driven to move downwards, the rotating shaft of the driven gear 64 is connected with the hinge shaft 2, the driven wheel is meshed with the driving gear 63, the motor 62 is started at the moment, the output shaft of the motor 62 drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, the rotating shaft of the driven wheel is tightly connected with the hinge shaft 2 due to downward pressure of the electric push rod 65, the rotating shaft of the driven wheel can drive the hinge shaft 2 to rotate, the refrigerator door 1 is driven to rotate relative to the refrigerator box 3, and finally the refrigerator door 1 is closed; after the refrigerator door 1 is closed, the motor 62 stops working, the electric push rod 65 contracts to drive the driven gear 64 to be far away from the driving gear 63, and interference is not caused to the manual opening and closing of the refrigerator door 1 by a user. More preferably, the hinge shaft 2 and the rotating shaft of the driven wheel are respectively provided with an anti-slip pad 7, and one end of the anti-slip pad 7, which is connected with the other end of the hinge shaft 2 and the rotating shaft of the driven wheel, prevents the hinge shaft 2 from slipping when the hinge shaft rotates along with the driven wheel, and ensures that the hinge shaft 2 can finish closing the refrigerator door 1 under the transmission of the motor 62 and the gear.

The foregoing description is directed to the preferred embodiments of the present utility model, but the embodiments are not intended to limit the scope of the utility model, and all equivalent changes or modifications made under the technical spirit of the present utility model should be construed to fall within the scope of the present utility model.

Claims (7)

1. The utility model provides a novel refrigerator door, the refrigerator door passes through the articulated shaft and articulates with the refrigerator box, the articulated shaft extends refrigerator door surface, its characterized in that: the refrigerator door is provided with an induction device, a rotating mechanism, a controller and a power module, wherein the induction device comprises an opening and closing induction piece for inducing whether the refrigerator door is opened or not and a human body induction piece for inducing whether a person exists nearby the refrigerator door or not, the controller is respectively electrically connected with the opening and closing induction piece, the human body induction piece, the power module and the rotating mechanism, the rotating mechanism is installed on the refrigerator body, an output shaft of the rotating mechanism is detachably connected with one end, extending out of the surface of the refrigerator door, of the hinge shaft, and the rotating mechanism is used for driving the refrigerator door to rotate relative to the refrigerator body.

2. The refrigerator door according to claim 1, wherein: the refrigerator comprises a refrigerator body, and is characterized in that the rotating mechanism comprises a box body, a motor, a driving gear, a driven gear and an electric push rod, wherein the box body is arranged on the refrigerator body, the motor, the driving gear, the driven gear and the electric push rod are all arranged inside the box body, an output shaft of the motor is connected with a rotating shaft of the driving gear, the driven gear is meshed with the driving gear, two ends of the rotating shaft of the driven gear are respectively connected with the electric push rod and a hinge shaft, a fixed end of the electric push rod is arranged at the top of the box body, a telescopic end of the electric push rod is rotationally connected with the rotating shaft of the driven gear, the rotating shaft of the driven gear is detachably connected with the hinge shaft, the bottom of the box body is movably penetrated through by the rotating shaft of the hinge shaft or the driven gear, and the motor and the electric push rod are respectively and electrically connected with the controller.

3. The refrigerator door according to claim 2, wherein: the hinge shaft and the rotating shaft of the driven wheel are respectively provided with an anti-slip pad, and the anti-slip pads are arranged at one end of the hinge shaft and the rotating shaft of the driven wheel, which are mutually connected.

4. The refrigerator door according to claim 1, wherein: the opening and closing induction piece is a magnetic induction sensor, and the magnetic induction sensor is arranged on one side edge of the refrigerator door, which is far away from the hinge shaft, and is electrically connected with the controller.

5. The refrigerator door according to claim 1, wherein: the human body sensing piece is an infrared sensor, the infrared sensor is positioned on the outer surface of one side, far away from the refrigerator body, of the refrigerator door, and the infrared sensor is electrically connected with the controller.

6. The refrigerator door according to claim 1, wherein: the refrigerator door is provided with a timing module, and the timing module is electrically connected with the controller.

7. The refrigerator door according to claim 1, wherein: the refrigerator door is provided with an alarm module, and the alarm module is electrically connected with the controller.