Pull rope type full-automatic drawer refrigerator

Abstract

The utility model belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to a pull rope type full-automatic drawer refrigerator. The refrigerator storage drawer is inserted into the vehicle-mounted refrigerator heat preservation shell in a penetrating mode through cooperation of the pull rope guide rail assembly. A pair of sliding rails is symmetrically fixed to the left side and the right side of the upper end of the fixing bottom plate, an air spring is fixed to the middle of the upper end of the fixing bottom plate, the top end of an air spring telescopic rod is connected with a connecting fixing base, the top end of the connecting fixing base is connected with a pull rope, and the pull rope backwards penetrates through a vehicle-mounted refrigerator heat preservation shell to be connected with a rope winding rotary disc. The rope winding turntable is connected with a rotating shaft of the direct current motor. The pull rope does not need to be closed, the existing mature gas spring technology is utilized, no complex structure exists, the damping characteristic needed by door opening and closing can be effectively provided through the gas spring, and the pause feeling during door opening and closing is effectively avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to a pull rope type fully automatic drawer refrigerator. Background Art

[0002] The existing pull rope scheme for vehicle-mounted refrigerators has a complex structure. The pull rope needs to be designed as a closed-loop structure, with high requirements for the accuracy of the pull rope and problems such as easy loosening and inability to tighten. The following problems exist in such pull rope schemes for vehicle-mounted refrigerators:

[0003] 1. For both opening and closing of the drawer, the motor needs to do work to drive the pull rope to pull the drawer, so as to realize the opening and closing of the drawer. And at the moment when the motor starts, there is an obvious sense of jerk in the drawer.

[0004] 2. The traditional structure is complex, there are too many special parts, and the part structure is complex.

[0005] 3. The design and assembly requirements for the length of the pull rope are highly accurate. Once the pull rope is loose, it may cause the door not to be opened or closed in place. Content of the Utility Model

[0006] In order to solve the defects and deficiencies of the existing technology, the purpose of the utility model is to provide a pull rope type fully automatic drawer refrigerator with a simple structure, reasonable design and convenient use. The pull rope in the present invention does not need to be a closed loop, utilizes the existing mature gas spring technology, has no complex structure, and can effectively provide the damping characteristics required for opening and closing the door by using the gas spring, effectively avoiding the sense of jerk when opening and closing the door.

[0007] To achieve the above purpose, the technical solution adopted by the utility model is: it includes a vehicle-mounted refrigerator insulation housing, a refrigerator storage drawer, and a pull rope guide rail assembly; the refrigerator storage drawer is inserted into the interior of the vehicle-mounted refrigerator insulation housing through the cooperation of the pull rope guide rail assembly; wherein, the pull rope guide rail assembly includes a fixed bottom plate, a sliding track, a gas spring, a connecting fixed seat, a pull rope, a rope winding turntable, a DC motor, and a guiding sliding seat; a pair of sliding tracks are symmetrically fixed on the left and right sides at the upper end of the fixed bottom plate, and a gas spring is fixed in the middle at the upper end of the fixed bottom plate. The top end of the gas spring telescopic rod is connected with a connecting fixed seat, the top end of the connecting fixed seat is connected with a pull rope, the pull rope extends backward and passes through the vehicle-mounted refrigerator insulation housing to be connected with the rope winding turntable, and the rope winding turntable is connected with the rotating shaft of the DC motor.

[0008] Preferably, the lower end of the refrigerator storage drawer is connected to the sliding track, and the connecting fixed seat is connected to the refrigerator storage drawer through bolts.

[0009] Preferably, the pull rope is guided between the vehicle-mounted refrigerator insulation housing through the guiding sliding seat.

[0010] Preferably, the rope winding turntable, the guiding sliding seat and the pull rope are on the same horizontal plane.

[0011] Preferably, the DC motor is fixed to the rear end of the heat preservation housing of the vehicle-mounted refrigerator.

[0012] After adopting the above structure, the beneficial effects of the present utility model are as follows:

[0013] First, by utilizing the damping characteristics of the gas spring, the jerks during opening and closing the door can be effectively solved, enhancing the user experience.

[0014] Second, all components in this application are existing mature components, with few parts, simple structure, low cost, and high reliability.

[0015] Third, this application has low requirements for the accuracy of the pull rope and assembly. Whether the pull rope is too long or too short does not affect the opening and closing of the door, and the motor can stop when it reaches stall; it has high reliability and can effectively solve problems such as high assembly difficulty, high cost, and easy failure. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or in the prior art, the present utility model will be described in detail by the following specific embodiments and the accompanying drawings.

[0017] Figure 1 It is a schematic structural diagram of the present utility model;

[0018] Figure 2 It is a schematic structural diagram of the pull rope guide rail assembly 3 of the present utility model;

[0019] Figure 3 It is a rear view of the pull rope guide rail assembly 3 of the present utility model;

[0020] Description of the reference numerals: heat preservation housing of the vehicle-mounted refrigerator 1, refrigerator storage drawer 2, pull rope guide rail assembly 3, fixed bottom plate 31, sliding track 32, gas spring 33, connection and fixing seat 34, pull rope 35, rope winding turntable 36, DC motor 37, guiding sliding seat 38. Detailed Embodiment

[0021] To make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be described by the specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and do not limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concept of the present utility model.

[0022] Here, it should also be noted that in order to avoid obscuring the present utility model due to unnecessary details, only the structures and / or processing steps closely related to the solution of the present utility model are shown in the drawings, while other details less related to the present utility model are omitted.

[0023] Refer to, for example Figures 1 - 3 As shown, the following technical solutions are adopted in this specific embodiment: It includes an in-vehicle refrigerator insulation housing 1, a refrigerator storage drawer 2, and a drawstring guide rail assembly 3; the refrigerator storage drawer 2 is inserted into the interior of the in-vehicle refrigerator insulation housing 1 through the cooperation of the drawstring guide rail assembly 3; among them, the drawstring guide rail assembly 3 includes a fixed bottom plate 31, a sliding track 32, a gas spring 33, a connecting fixed seat 34, a drawstring 35, a rope winding turntable 36, a DC motor 37, and a guiding sliding seat 38; on the upper end of the fixed bottom plate 31, a pair of sliding tracks 32 are symmetrically fixed on the left and right sides, and a gas spring 33 is fixed in the middle of the upper end of the fixed bottom plate 31. The top end of the telescopic rod of the gas spring 33 is connected to a connecting fixed seat 34, the top end of the connecting fixed seat 34 is connected to a drawstring 35, the drawstring 35 extends backward and is connected to the rope winding turntable 36 after passing through the in-vehicle refrigerator insulation housing 1, and the rope winding turntable 36 is connected to the rotating shaft of the DC motor 37.

[0024] Among them, the lower end of the refrigerator storage drawer 2 is kept connected to the sliding track 32, and the connecting fixed seat 34 is connected to the refrigerator storage drawer 2 by bolts; the drawstring 35 is guided between the in-vehicle refrigerator insulation housing 1 through the guiding sliding seat 38.

[0025] In addition, the rope winding turntable 36, the guiding sliding seat 38 and the drawstring 35 are kept on the same horizontal plane; the DC motor 37 is fixed at the rear end of the in-vehicle refrigerator insulation housing 1.

[0026] The working principle of this specific embodiment is as follows: A. Opening of the drawer: The DC motor 37 slowly rotates to release the drawstring 35 on the rope winding turntable 36, but does not do work. The refrigerator storage drawer 2 is directly pushed out by the gas spring 33;

[0027] B. Closing of the drawer: The DC motor 37 rotates to drive the rope winding turntable 36 to tighten the drawstring 35, overcoming the elastic force of the gas spring 33 to realize the closing of the drawer.

[0028] The specific embodiment utilizes the damping characteristics of the gas spring, which can effectively solve the jerks during opening and closing of the door, improve the user experience, has few parts, a simple structure, low cost, and high reliability. The requirements for the accuracy of the drawstring and assembly are low. Whether the drawstring is too long or too short does not affect the opening and closing of the door, and the motor can be pulled until it stalls and then stops; it has high reliability and can effectively solve problems such as high assembly difficulty, high cost, and easy failure.

[0029] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model.

[0030] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fully automatic drawer refrigerator with a pull cord, characterized in that: It comprises a vehicle refrigerator insulation shell, a refrigerator storage drawer, and a pull rope guide assembly; the refrigerator storage drawer is inserted into the interior of the vehicle refrigerator insulation shell through the cooperation of the pull rope guide assembly; wherein the pull rope guide assembly comprises a fixed bottom plate, a sliding track, a gas spring, a connecting and fixing seat, a pull rope, a rope winding turntable, a DC motor, and a guide slide seat; a pair of sliding tracks are symmetrically fixed on the left and right sides of the upper end of the fixed bottom plate, and a gas spring is fixed in the middle of the upper end of the fixed bottom plate, the top end of the gas spring telescopic rod is connected to the connecting and fixing seat, the top end of the connecting and fixing seat is connected to the pull rope, the pull rope passes through the vehicle refrigerator insulation shell backwards and is connected to the rope winding turntable, and the rope winding turntable is connected to the rotating shaft of the DC motor.

2. A pull-cord type fully automatic drawer refrigerator according to claim 1, characterized in that: The lower end of the refrigerator storage drawer is connected to the sliding track, and the connecting fixing seat is connected to the refrigerator storage drawer through bolts.

3. A pull-cord type fully automatic drawer refrigerator according to claim 1, characterized in that: The pull rope and the heat-insulating shell of the vehicle refrigerator are guided by a guide slide.

4. A pull-cord type fully automatic drawer refrigerator according to claim 3, characterized in that: The rope winding turntable, the guide slide seat and the pull rope are kept on the same horizontal plane.

5. A pull-cord type fully automatic drawer refrigerator according to claim 4, characterized in that: The DC motor is fixed on the rear end of the heat preservation shell of the vehicle refrigerator.

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