Electric turnover door system of vehicle-mounted refrigerator

Abstract

The utility model belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to an electric turnover door system of a vehicle-mounted refrigerator. The electric turnover driving assembly comprises a connecting swing arm, a power connecting pin, a first transmission gear, a second transmission gear, a planetary gear reduction gearbox, a motor and an installation fixing frame. One side of the tail part of the planetary gear reduction gearbox is connected with a motor, two sides of the front end of the planetary gear reduction gearbox are connected with a pair of transmission gears II, the two transmission gears II are respectively meshed with a pair of transmission gears I, and the two transmission gears I are fixed on the inner sides of two connecting swing arms at the lower end of the door body assembly through power connecting pins; the outer side of the power connecting pin is connected with the lower end of the box frame through an installation fixing frame. The automatic door opening and closing function of the vehicle-mounted refrigerator door body can be achieved, meanwhile, the anti-pinch function is achieved by detecting the locked-rotor current and the rotating speed of the motor, and the comfort and convenience of vehicle use are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle-mounted refrigerators, and in particular relates to an electric flip door system for a vehicle-mounted refrigerator. Background Art

[0002] As people's living standards gradually improve, more and more ordinary models have car refrigerators. In order to adapt to the rapid development of automobile intelligence and meet the increasing requirements for car comfort. Traditional car refrigerators mostly use top-distributed flip doors or double-door structures that are mostly driven by mechanical structures. The opening is not smart enough, and the large-angle flip design on the top door does not conform to the traditional car structure that is long horizontally and short vertically. The flip door needs to occupy a large vertical space, which is not friendly to low-profile models and needs to be improved urgently. Utility Model Content

[0003] In order to solve the defects and shortcomings of the prior art, the purpose of the utility model is to provide an electric flip door system for a car refrigerator with a simple structure, reasonable design and easy use. It can realize the automatic opening and closing function of the car refrigerator door body, and at the same time realize the anti-pinch function by detecting the stall current and speed of the motor, thereby improving the comfort and convenience of the car.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: it includes a box body assembly, a box frame, a refrigeration assembly, an electric flip drive assembly, and a door body assembly; a box frame is arranged at the front end of the box body assembly, and the lower end of the box frame is connected to the door body assembly through a connecting swing arm in the electric flip drive assembly, and the electric flip drive assembly is hidden inside the lower end of the box frame; wherein, the electric flip drive assembly includes a connecting swing arm, a power connecting pin, a transmission gear 1, a transmission gear 2, a planetary gear reducer, a motor, and a mounting bracket; a motor is connected to one side of the tail of the planetary gear reducer, and a pair of transmission gears 2 are connected to both sides of the front end of the planetary gear reducer, and the two transmission gears 2 are respectively meshed with a pair of transmission gears 1, and the two transmission gears 1 are fixed to the inner sides of the two connecting swing arms at the lower end of the door body assembly through a power connecting pin, and the outer side of the power connecting pin is connected to the lower end of the box frame through the mounting bracket.

[0005] Preferably, the interior of the box assembly is divided by a horizontal partition; the upper part is provided with an inner tank, and the lower part is provided with a refrigeration assembly.

[0006] Preferably, the lower end of the box frame is a sloped structure, leaving a turning space below the door assembly.

[0007] Preferably, the door assembly includes a touch operation circuit integrated inside.

[0008] Preferably, the door assembly and the box frame maintain the same curvature, and a circle of sealing strip is provided on the inner side of the door assembly to achieve sealing between the door assembly and the inner tank port.

[0009] Preferably, the connecting swing arm is an arc-shaped arch bridge structure, one end of the connecting swing arm is connected to the bottom of the door body assembly by bolts, and the other end of the connecting swing arm is connected to the mounting bracket by a power connecting pin.

[0010] Preferably, a pair of reserved grooves for connecting the swing arms are provided at the lower end of the box frame.

[0011] Preferably, the refrigeration assembly consists of a compressor, a condenser, a coil-type evaporator, a drying filter tube, and a cooling fan; the compressor compresses the refrigerant and transmits it to the condenser for heating, then transmits it to the coil-type evaporator to cool the inner tank, and finally filters it through the drying filter tube and returns to the compressor.

[0012] After adopting the above structure, the beneficial effect of the utility model is: it can realize the automatic opening and closing function of the vehicle refrigerator door, and at the same time realize the anti-pinch function by detecting the stall current and speed of the motor, thereby improving the comfort and convenience of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model is described in detail through the following specific implementations and drawings.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the electric flip drive assembly 4 of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection of the mounting bracket 47 of the present utility model;

[0018] Explanation of the reference numerals: box body assembly 1, box frame 2, refrigeration assembly 3, electric flip drive assembly 4, door body assembly 5, liner 11, connecting swing arm 41, power connecting pin 42, transmission gear one 43, transmission gear two 44, planetary gear reduction box 45, motor 46, mounting bracket 47, sealing strip 51. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is described below by specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0020] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0021] See Figure 1-Figure 4 As shown, this specific embodiment adopts the following technical scheme: it includes a box assembly 1, a box frame 2, a refrigeration assembly 3, an electric flip drive assembly 4, and a door assembly 5; the front end of the box assembly 1 is provided with a box frame 2, and the lower end of the box frame 2 is connected to the door assembly 5 through a connecting swing arm 41 in the electric flip drive assembly 4, and the electric flip drive assembly 4 is hidden inside the lower end of the box frame 2; wherein the electric flip drive assembly 4 includes a connecting swing arm 41, a power connecting pin 42, a transmission gear 1 43, a transmission gear 2 44, and a transmission gear 3 45. 4. Planetary gear reducer 45, motor 46, and mounting bracket 47; a motor 46 is connected to one side of the tail of the planetary gear reducer 45, and a pair of transmission gears 2 44 are connected to both sides of the front end of the planetary gear reducer 45. The two transmission gears 2 44 are respectively meshed with a pair of transmission gears 1 43. The two transmission gears 1 43 are fixed to the inner sides of the two connecting swing arms 41 at the lower end of the door body assembly 5 through a power connecting pin 42, and the outer side of the power connecting pin 42 is connected to the lower end of the box frame 2 through a mounting bracket 47.

[0022] Among them, the interior of the box assembly 1 is divided by a horizontal partition; the upper part is provided with an inner tank 11, and the lower part is provided with a refrigeration assembly 3. The lower end of the box frame 2 is an inclined structure, and a flipping space under the door body assembly 5 is reserved; the door body assembly 5 includes an internally integrated touch operation circuit; the door body assembly 5 maintains the same curvature as the box frame 2, and a circle of sealing strip 51 is provided on the inner side of the door body assembly 5 to achieve sealing between the door body assembly 5 and the port of the inner tank 11.

[0023] In addition, the connecting swing arm 41 is an arc-shaped arch bridge structure, one end of the connecting swing arm 41 is connected to the bottom of the door body assembly 5 by bolts, and the other end of the connecting swing arm 41 is fixed by a power connecting pin 42 and an installation fixing frame 47; the lower end of the box frame 2 is provided with a pair of reserved grooves for the movement of the connecting swing arm 41.

[0024] Furthermore, the refrigeration assembly 3 is composed of a compressor, a condenser, a coil-type evaporator, a drying filter tube, and a cooling fan; the compressor compresses the refrigerant and transmits it to the condenser for heating, and then transmits it to the coil-type evaporator to cool the inner tank, and finally filters it through the drying filter tube and returns to the compressor; the coil-type evaporator is embedded in the outer surface of the inner tank 11 to cool the inner tank 11; and the space between the inner tank 11 and the outer shell of the box assembly 1 is filled with thermal insulation foam.

[0025] Furthermore, the electronic control of the present application adopts the control circuit of a traditional vehicle refrigerator in parallel with a simple finger-pinch prevention circuit.

[0026] The working principle of this specific embodiment is as follows: the motor 46 is connected to the input shaft of the planetary gear reducer 45, and the planetary gear reducer 45 plays the role of reducing speed and increasing torque; the output shaft of the planetary gear reducer 45 is connected to the transmission gear 2 44; the transmission gear 1 43 and the transmission gear 2 44 are meshed; the transmission gear 1 43 is fixed to the inner side of the connecting swing arm 41 through the cooperation of the power connecting pin 42, and the power connecting pin 42 and the connecting swing arm 41 are fixedly connected by splines; the outer side of the power connecting pin 42 is inserted and fixed on the mounting bracket 47, and can rotate relative to the mounting bracket 47. The motor 46 rotates to drive the planetary gear reducer 45, and the planetary gear reducer 45 reduces the speed and increases the torque. The planetary gear reducer 45 drives the transmission gear 2 44 to rotate, and the transmission gear 1 43 and the transmission gear 2 44 are meshed, driving the transmission gear 1 43 to rotate. The transmission gear 1 43 drives the power connecting pin 42 to rotate, and the power connecting pin 42 drives the connecting swing arm 41 to rotate, thereby realizing the electric door opening of the vehicle refrigerator. The electric door closing of the vehicle refrigerator is achieved by reversing the motor.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electric flip door system for a vehicle refrigerator, characterized in that: It comprises a box body assembly, a box frame, a refrigeration assembly, an electric flip drive assembly, and a door body assembly; a box frame is arranged at the front end of the box body assembly, and the lower end of the box frame is connected to the door body assembly through a connecting swing arm in the electric flip drive assembly, and the electric flip drive assembly is hidden inside the lower end of the box frame; wherein, the electric flip drive assembly comprises a connecting swing arm, a power connecting pin, a transmission gear 1, a transmission gear 2, a planetary gear reducer, a motor, and a mounting bracket; a motor is connected to one side of the tail of the planetary gear reducer, and a pair of transmission gears 2 are connected to both sides of the front end of the planetary gear reducer, and the two transmission gears 2 are respectively meshed with a pair of transmission gears 1, and the two transmission gears 1 are fixed to the inner sides of the two connecting swing arms at the lower end of the door body assembly through a power connecting pin, and the outer side of the power connecting pin is connected to the lower end of the box frame through a mounting bracket.

2. The electric flip door system for a vehicle refrigerator according to claim 1, characterized in that: The interior of the box assembly is divided by a horizontal partition; the upper part is provided with an inner tank, and the lower part is provided with a refrigeration assembly.

3. The electric flip door system for a vehicle refrigerator according to claim 1, characterized in that: The lower end of the box frame is an inclined structure, which reserves a turning space under the door assembly.

4. The electric flip door system for a vehicle refrigerator according to claim 3, characterized in that: The door assembly includes a touch operation circuit integrated inside.

5. The electric flip door system for a vehicle refrigerator according to claim 1, characterized in that: The connecting swing arm is an arc-shaped arch bridge structure, one end of the connecting swing arm is connected to the bottom of the door body assembly by bolts, and the other end of the connecting swing arm is connected to the mounting bracket by a power connecting pin.

6. The electric flip door system for a vehicle refrigerator according to claim 3, characterized in that: A pair of reserved grooves for connecting the swing arms are arranged at the lower end of the box frame.

7. The electric flip door system for a vehicle refrigerator according to claim 1, characterized in that: The refrigeration assembly is composed of a compressor, a condenser, a coil evaporator, a drying filter tube, and a cooling fan; the compressor compresses the refrigerant and transmits it to the condenser for heating, and then transmits it to the coil evaporator to cool the inner tank, and finally filters it through the drying filter tube and returns to the compressor.

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