CN112240671A

CN112240671A - Portable vehicle-mounted refrigerator

Info

Publication number: CN112240671A
Application number: CN202011157017.XA
Authority: CN
Inventors: 林文华
Original assignee: Anhui Saichao Electric Appliance Co ltd
Current assignee: Anhui Saichao Electric Appliance Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-19
Anticipated expiration: 2040-10-26
Also published as: CN112240671B

Abstract

The invention relates to the technical field of vehicle-mounted refrigerators, in particular to a portable vehicle-mounted refrigerator, which comprises a vehicle chassis and a vehicle-mounted refrigerator body; the top end of the chassis is fixedly connected with an elastic plate; the elastic plate is fixedly connected with a second fixed block; the top end of the vehicle-mounted refrigerator body is hinged with a refrigerator cover; the top end of the box cover is fixedly connected with a first handle; a second handle is fixedly connected to the side wall of one side of the vehicle-mounted refrigerator body, and a first fixing block is fixedly connected to the side wall of the other side of the vehicle-mounted refrigerator body; the first fixed block is fixedly connected with a U-shaped telescopic rod; a group of rollers is fixedly connected to the bottom end of the vehicle-mounted refrigerator body; the bottom end of the vehicle-mounted refrigerator body is provided with a first groove; a first cavity is formed in the side wall of the first groove; the invention provides a portable vehicle-mounted refrigerator, which solves the problems that the vehicle-mounted refrigerator in the prior art is inconvenient to carry, very inflexible to use, poor in practicability, fussy to install and wastes labor time of workers.

Description

Portable vehicle-mounted refrigerator

Technical Field

The invention relates to the technical field of vehicle-mounted refrigerators, in particular to a portable vehicle-mounted refrigerator.

Background

The in-vehicle refrigerator is a refrigerator that can be carried on an automobile, and is a new generation of refrigerator that has prevailed in the international market in recent years. The vehicle-mounted refrigerator is a continuation of a household refrigerator, can adopt a semiconductor electronic refrigeration technology, can also refrigerate through a compressor, has low noise and less pollution, and can cool the refrigerator only by inserting a power plug into a cigarette lighting hole in a running process.

In the prior art, the positions of a vehicle-mounted refrigerator are generally arranged in a center console, a front passenger storage box and a rear central armrest or a trunk, but the conventional vehicle-mounted refrigerator is inconvenient to carry, inflexible to use, poor in practicability, tedious to install and capable of wasting labor time of workers, and therefore a portable vehicle-mounted refrigerator is provided.

Disclosure of Invention

The invention provides a portable vehicle-mounted refrigerator, aiming at the problems that the positions of the vehicle-mounted refrigerator in the prior art are generally in a center console, a front passenger position storage box and a rear central armrest or a trunk, but the conventional vehicle-mounted refrigerator is inconvenient to carry, very inflexible to use, poor in practicability, fussy to install and wastes the labor time of workers.

The technical scheme adopted by the invention for solving the technical problems is as follows: a portable vehicle-mounted refrigerator comprises a vehicle chassis and a vehicle-mounted refrigerator body; the top end of the chassis is fixedly connected with an elastic plate; the elastic plate is fixedly connected with a second fixed block; the top end of the vehicle-mounted refrigerator body is hinged with a refrigerator cover; the top end of the box cover is fixedly connected with a first handle; a second handle is fixedly connected to the side wall of one side of the vehicle-mounted refrigerator body, and a first fixing block is fixedly connected to the side wall of the other side of the vehicle-mounted refrigerator body; the first fixed block is fixedly connected with a U-shaped telescopic rod; a group of rollers is fixedly connected to the bottom end of the vehicle-mounted refrigerator body; the bottom end of the vehicle-mounted refrigerator body is provided with a first groove; a first cavity is formed in the side wall of the first groove; a fixing mechanism is arranged in the first cavity; the vehicle-mounted refrigerator is fixed on the chassis through a fixing mechanism.

Specifically, a pair of annular grooves is formed in the second fixing block; the fixing mechanism comprises a first pressing plate, a transmission assembly, a clamping assembly, a guide rod and a strip-shaped electromagnet; the first pressing plate is arranged in the first groove; a first connecting rod is fixedly connected to the top end of the first pressing plate; the end part of the first connecting rod, which is far away from the first pressure plate, extends into the first cavity and is fixedly connected with a second pressure plate; the second pressing plate is fixedly connected to the inner side wall of the bottom end of the first cavity through a spring; the second pressing plate is provided with a transmission assembly; a clamping component is arranged on the transmission component; the guide rod is fixedly connected to the inner side wall of the first cavity; the guide rod is connected with a sliding block in a sliding manner; a second connecting rod is fixedly connected to the side wall, close to the first groove, of the sliding block, and is fixedly connected to the inner side wall of the first cavity through a spring, and a first magnet is fixedly connected to the other side of the sliding block; a sliding groove is formed in the side wall, close to the first groove, of the first cavity; an arc-shaped plate is fixedly connected to the end part, far away from the sliding block, of the second connecting rod; the arc-shaped plate is connected in the sliding groove in a sliding manner; the bar electromagnet is fixedly connected to the inner side wall of the first cavity close to the first magnet.

Specifically, the transmission assembly comprises a push rod, a first rack plate and a rotating shaft; one end of each push rod is hinged to the second pressing plate, and the other end of each push rod is hinged to the first trapezoid block; the first trapezoid block is connected to the inner side wall of the first cavity in a sliding mode; the trapezoid rack plate is connected to the inner side wall of the first cavity in a sliding mode, and the inclined end of the trapezoid rack plate is in contact with the first trapezoid block; the first trapezoidal block and the trapezoidal rack plate are ninety degrees; the first rack plate is connected to the inner side wall of the first cavity corresponding to the trapezoid rack plate in a sliding mode; the rotating shaft is rotatably connected to the inner side wall of the first cavity; a straight gear is fixedly connected to the rotating shaft; one side of the straight gear is meshed with the trapezoid rack plate, and the other side of the straight gear is meshed with the first rack plate; the bottom of first rack board is provided with the screens subassembly.

Specifically, the clamping component comprises a clamping column and a clamping groove; the clamping column is fixedly connected to the bottom end of the first rack plate; the screens groove is seted up on the slider top.

Specifically, a second cavity is formed in the second handle; a switch component is arranged in the second cavity; a right connecting plate is fixedly connected to the inner side wall of the second cavity; a right contact is fixedly connected to the side wall of the right connecting plate; the side wall of the right connecting plate is fixedly connected with a telescopic spring; the end part of the telescopic spring, which is far away from the right connecting plate, is fixedly connected with a left connecting plate; a left contact is fixedly connected to the side wall of the left connecting plate; the lateral wall of the left connecting plate far away from the telescopic spring is arc-shaped and extends out of the first cavity, and a third pressing plate is fixedly connected with the left connecting plate.

Specifically, the right connecting plate is connected with the strip-shaped electromagnet through an electric wire.

Specifically, a guide assembly is arranged between the right connecting plate and the left connecting plate; the guide assembly comprises a guide pillar and a guide sleeve; the guide pillar is fixedly connected to the side wall of the left connecting plate; the guide sleeve is arranged on the side wall of the right connecting plate.

Specifically, a shock pad is fixedly connected to the position of the chassis relative to the roller.

The invention has the beneficial effects that:

1. according to the portable vehicle-mounted refrigerator, the idler wheels are arranged at the bottom end of the vehicle-mounted refrigerator body, so that the vehicle-mounted refrigerator body can move conveniently without being lifted, and can be pulled through the U-shaped telescopic rod, so that the portable vehicle-mounted refrigerator is convenient and rapid, and labor force is saved.

2. According to the portable vehicle-mounted refrigerator, the vehicle-mounted refrigerator can be rapidly installed through the installation mechanism, when the refrigerator needs to be disassembled, the refrigerator can be rapidly disassembled through the switch assembly, convenience and rapidness are realized, and the working time is saved.

3. According to the portable vehicle-mounted refrigerator, the elastic plate and the shock pad are set, so that the influence on the vehicle-mounted refrigerator body when a vehicle moves and jolts is reduced, the stable work of the vehicle-mounted refrigerator body is ensured, and a safety guarantee is provided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of a vehicle-mounted refrigerator body;

FIG. 2 is a front view of a portable vehicle-mounted refrigerator provided in the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of section E of FIG. 3;

FIG. 5 is an enlarged view of the portion B shown in FIG. 2;

FIG. 6 is an enlarged view of the portion D shown in FIG. 5;

FIG. 7 is an enlarged view of section C of FIG. 2;

in the figure: 1. a chassis; 11. a shock pad; 2. an elastic plate; 3. a second fixed block; 31. an annular groove; 4. a vehicle-mounted refrigerator body; 41. a first groove; 42. a first cavity; 43. a box cover; 431. a first handle; 44. a second handle; 441. a second cavity; 45. a first fixed block; 46. a U-shaped telescopic rod; 47. a roller; 5. a fixing mechanism; 51. a first platen; 52. a first connecting rod; 53. a second platen; 54. a transmission assembly; 541. a push rod; 542. a first trapezoidal block; 543. a trapezoidal rack plate; 544. a rotating shaft; 545. a spur gear; 546. a first rack plate; 55. a clamping component; 551. a position clamping column; 552. a clamping groove; 56. a guide bar; 57. a slider; 571. a first magnet; 572. a strip-shaped electromagnet; 573. a second connecting rod; 574. an arc-shaped plate; 58. a switch assembly; 581. a third press plate; 582. a left connecting plate; 583. a left contact; 584. a right connecting plate; 585. a right contact; 586. a tension spring; 587. a guide assembly; 5871. a guide post; 5872. and (4) guiding a sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the portable vehicle-mounted refrigerator comprises a vehicle chassis 1 and a vehicle-mounted refrigerator body 4; the top end of the chassis 1 is fixedly connected with an elastic plate 2; the elastic plate 2 is fixedly connected with a second fixed block 3; the top end of the vehicle-mounted refrigerator body 4 is hinged with a refrigerator cover 43; a first handle 431 is fixedly connected to the top end of the box cover 43; a second handle 44 is fixedly connected to one side wall of the vehicle-mounted refrigerator body 4, and a first fixing block 45 is fixedly connected to the other side wall; a U-shaped telescopic rod 46 is fixedly connected to the first fixing block 45; a group of rollers 47 is fixedly connected to the bottom end of the vehicle-mounted refrigerator body 4; the bottom end of the vehicle-mounted refrigerator body 4 is provided with a first groove 41; a first cavity 42 is formed in the side wall of the first groove 41; a fixing mechanism 5 is arranged in the first cavity 42; the vehicle-mounted refrigerator is fixed on a chassis 1 of the vehicle through a fixing mechanism 5; when the refrigerator works, the rollers 47 are arranged at the bottom end of the vehicle-mounted refrigerator body 4, so that the vehicle-mounted refrigerator body 4 can move conveniently without being lifted, and can be pulled through the U-shaped telescopic rod 46, so that the convenience and the rapidness are realized, and the labor force is saved; the vehicle-mounted refrigerator body 4 can be quickly fixed on the chassis 1 through the fixing mechanism 5, and when the fixed state needs to be released, the vehicle-mounted refrigerator body can be quickly detached by being lifted through the second handle 44 and the U-shaped telescopic rod 46.

The second fixing block 3 is provided with a pair of annular grooves 31; the fixing mechanism 5 comprises a first pressing plate 51, a transmission assembly 54, a clamping assembly 55, a guide rod 56 and a strip-shaped electromagnet 572; the first pressing plate 51 is arranged in the first groove 41; a first connecting rod 52 is fixedly connected to the top end of the first pressing plate 51; the end part of the first connecting rod 52 far away from the first pressure plate 51 extends into the first cavity 42 and is fixedly connected with a second pressure plate 53; the second pressure plate 53 is fixedly connected to the inner side wall of the bottom end of the first cavity 42 through a spring; the second pressure plate 53 is provided with a transmission component 54; the transmission component 54 is provided with a clamping component 55; the guide rod 56 is fixedly connected to the inner side wall of the first cavity 42; the guide rod 56 is connected with a slide block 57 in a sliding way; a second connecting rod 573 is fixedly connected to the side wall of the sliding block 57 close to the first groove 41, and is fixedly connected to the inner side wall of the first cavity 42 through a spring, and a first magnet 571 is fixedly connected to the other side; a sliding groove is formed in the side wall of the first cavity 42 close to the first groove 41; an arc-shaped plate 574 is fixedly connected to the end part of the second connecting rod 573 far away from the sliding block 57; the arc-shaped plate 574 is connected in the sliding groove in a sliding manner; the bar-shaped electromagnet 572 is fixedly connected to the inner side wall of the first cavity 42 close to the first magnet 571; when the refrigerator works, the first groove 41 of the vehicle-mounted refrigerator body 4 is placed on the second fixing block 3, the second fixing block 3 pushes the first pressing plate 51, the first pressing plate 51 moves to move the second pressing plate 53 through the first connecting rod 52, the second pressing plate 53 releases the locking of the clamping component 55 on the sliding block 57 through the transmission component 54, the sliding block 57 moves under the action of the spring, and the sliding block 57 moves to push the arc-shaped plate 574 to move through the second connecting rod 573 and enter the annular groove 31 on the second fixing block 3 to be fixed.

As an embodiment of the present invention, the transmission assembly 54 includes a push rod 541, a first rack plate 546 and a rotating shaft 544; one end of the pair of push rods 541 is hinged on the second pressure plate 53, and the other end is hinged with a first trapezoidal block 542; the first trapezoidal block 542 is slidably connected to the inner side wall of the first cavity 42; the trapezoidal rack plate 543 is slidably connected to the inner side wall of the first cavity 42, and the inclined end contacts with the first trapezoidal block 542; the first trapezoidal block 542 and the trapezoidal rack plate 543 are ninety degrees; the first rack plate 546 is slidably connected to the inner side wall of the first cavity 42 corresponding to the trapezoid rack plate 543; the rotating shaft 544 is rotatably connected to the inner side wall of the first cavity 42; a spur gear 545 is fixedly connected to the rotating shaft 544; one side of the spur gear 545 is engaged with the trapezoidal rack plate 543 and the other side is engaged with the first rack plate 546; a clamping component 55 is arranged at the bottom end of the first rack plate 546; in operation, the second pressing plate 53 moves downwards to push the first trapezoid block 542 to move through the pushing rod 541, the second trapezoid block moves to push the trapezoid rack plate 543 to move upwards through the inclined end, the trapezoid rack plate 543 moves upwards to drive the first rack plate 546 to move downwards through the spur gear 545, and the clamping of the clamping assembly 55 is released.

As a specific embodiment of the present invention, the detent assembly 55 includes detent posts 551 and detent grooves 552; the clamping column 551 is fixedly connected to the bottom end of the first rack plate 546; the clamping groove 552 is formed in the top end of the sliding block 57; in operation, when the in-vehicle refrigerator body 4 is fixed, movement of the first rack plate 546 drives the detent post 551 out of the detent groove 552, allowing the slider 57 to move under the action of the spring.

As a specific embodiment of the present invention, a second cavity 441 is formed in the second handle 44; a switch assembly 58 is arranged in the second cavity 441; a right connecting plate 584 is fixedly connected to the inner side wall of the second cavity 441; a right contact 585 is fixedly connected to the side wall of the right connecting plate 584; an expansion spring 586 is fixedly connected to the side wall of the right connecting plate 584; a left connecting plate 582 is fixedly connected to the end part, far away from the right connecting plate 584, of the extension spring 586; a left contact 583 is fixedly connected to the side wall of the left connecting plate 582; the side wall of the left connecting plate 582, which is far away from the telescopic spring 586, is arc-shaped, and extends out of the first cavity 42, and a third pressing plate 581 is fixedly connected; when the vehicle-mounted refrigerator is in work, when the vehicle-mounted refrigerator needs to be taken out and fixed, the second handle 44 is held by hand, the third pressing plate 581 is tightly held, the third pressing plate 581 drives the left connecting plate 582 to move, the left contact 583 and the right contact 585 are driven to be in contact, the strip-shaped electromagnet 572 is electrified, the strip-shaped electromagnet 572 is driven to adsorb the first magnet and drive the sliding block 57 to move, the arc-shaped plate 574 is driven to be separated from the annular groove 31 through sliding movement, the fixed state is removed, the second handle 44 is held by hand, and the vehicle-mounted refrigerator body 4.

As a specific embodiment of the present invention, the right connecting plate 584 is connected to the bar electromagnet 572 through a wire; when the automobile-mounted refrigerator works, when the fixed state of the automobile-mounted refrigerator body 4 needs to be released, the left contact 583 and the right contact 585 are communicated, the strip-shaped electromagnet 572 is electrified through the wire, the strip-shaped electromagnet 572 is fully charged with magnetism, the first magnet 571 is attracted, the sliding block 57 is driven to move, and the arc-shaped plate 574 is driven to be separated from the annular groove 31 through sliding movement.

As a specific embodiment of the present invention, a guiding assembly 587 is disposed between the right connecting plate 584 and the left connecting plate 582; the guide assembly 587 comprises a guide post 5871 and a guide sleeve 5872; the guide post 5871 is fixedly connected to the side wall of the left connecting plate 582; the guide sleeve 5872 is arranged on the side wall of the right connecting plate 584; during operation, the setting of guide assembly 587 prevents that the skew condition from appearing in the contact of left contact 583 and right contact 585, leads to contact failure, and the influence is dismantled on-vehicle refrigerator body 4.

As a specific embodiment of the invention, a shock pad 11 is fixedly connected to the chassis 1 at a position corresponding to the roller 47; during operation, gyro wheel 47 is placed on shock pad 11, reduces and removes the influence to on-vehicle refrigerator body 4 when jolting at the vehicle, guarantees the steady work of on-vehicle refrigerator body 4, provides a safety guarantee.

The working principle is that when the refrigerator works, the bottom end of the vehicle-mounted refrigerator body 4 is provided with the roller 47, so that the vehicle-mounted refrigerator body 4 can move conveniently without being lifted and moved, and can be pulled through the U-shaped telescopic rod 46, so that the convenience and the rapidness are realized, and the labor force is saved; the first groove 41 of the vehicle-mounted refrigerator body 4 is placed on the second fixing block 3, the second fixing block 3 pushes the first pressing plate 51, the first pressing plate 51 moves to move the second pressing plate 53 through the first connecting rod 52, the second pressing plate 53 moves downwards to push the first trapezoidal block 542 to move through the push rod 541, the second trapezoidal block moves to push the trapezoidal rack plate 543 to move upwards through the inclined end, the trapezoidal rack plate 543 moves upwards to drive the first rack plate 546 to move downwards through the straight gear 545, the movement of the first rack plate 546 drives the clamping column 551 to be separated from the clamping groove 552, the sliding block 57 moves under the action of the spring, and the sliding block 57 moves to push the arc-shaped plate 574 to move through the second connecting rod 573 to enter the annular groove 31 on the second fixing block 3 for fixing; when the vehicle-mounted refrigerator needs to be taken out and the fixation is released, the second handle 44 is held by hand, the third pressing plate 581 is tightly held, the third pressing plate 581 drives the left connecting plate 582 to move to drive the left contact 583 and the right contact 585 to be contacted, the strip-shaped electromagnet 572 is electrified to drive the strip-shaped electromagnet 572 to adsorb the first magnet to drive the sliding block 57 to move, the arc-shaped plate 574 is driven to be separated from the annular groove 31 by sliding movement, the fixed state is released, the second handle 44 is held by hand, and the vehicle-mounted refrigerator body 4 is taken out.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable vehicle-mounted refrigerator is characterized in that: comprises a chassis (1) and a vehicle-mounted refrigerator body (4); the top end of the vehicle chassis (1) is fixedly connected with an elastic plate (2); the elastic plate (2) is fixedly connected with a second fixed block (3); the top end of the vehicle-mounted refrigerator body (4) is hinged with a box cover (43); a first handle (431) is fixedly connected to the top end of the box cover (43); a second handle (44) is fixedly connected to the side wall of one side of the vehicle-mounted refrigerator body (4), and a first fixing block (45) is fixedly connected to the side wall of the other side of the vehicle-mounted refrigerator body; a U-shaped telescopic rod (46) is fixedly connected to the first fixing block (45); a group of rollers (47) is fixedly connected to the bottom end of the vehicle-mounted refrigerator body (4); a first groove (41) is formed in the bottom end of the vehicle-mounted refrigerator body (4); a first cavity (42) is formed in the side wall of the first groove (41); a fixing mechanism (5) is arranged in the first cavity (42); the vehicle-mounted refrigerator is fixed on a chassis (1) of the vehicle through a fixing mechanism (5).

2. The portable vehicle-mounted refrigerator according to claim 1, characterized in that: a pair of annular grooves (31) is formed in the second fixing block (3); the fixing mechanism (5) comprises a first pressing plate (51), a transmission assembly (54), a clamping assembly (55), a guide rod (56) and a strip-shaped electromagnet (572); the first pressing plate (51) is arranged in the first groove (41); a first connecting rod (52) is fixedly connected to the top end of the first pressing plate (51); the end part of the first connecting rod (52) far away from the first pressure plate (51) extends into the first cavity (42) and is fixedly connected with a second pressure plate (53); the second pressure plate (53) is fixedly connected to the inner side wall of the bottom end of the first cavity (42) through a spring; a transmission component (54) is arranged on the second pressure plate (53); a clamping component (55) is arranged on the transmission component (54); the guide rod (56) is fixedly connected to the inner side wall of the first cavity (42); the guide rod (56) is connected with a sliding block (57) in a sliding way; a second connecting rod (573) is fixedly connected to the side wall of the sliding block (57) close to the first groove (41), and is fixedly connected to the inner side wall of the first cavity (42) through a spring, and a first magnet (571) is fixedly connected to the other side of the sliding block; a sliding groove is formed in the side wall, close to the first groove (41), of the first cavity (42); an arc-shaped plate (574) is fixedly connected to the end part, far away from the sliding block (57), of the second connecting rod (573); the arc-shaped plate (574) is connected in the sliding groove in a sliding manner; the bar-shaped electromagnet (572) is fixedly connected on the inner side wall of the first cavity (42) close to the first magnet (571).

3. The portable vehicle-mounted refrigerator according to claim 2, characterized in that: the transmission assembly (54) includes a push rod (541), a first rack plate (546) and a rotating shaft (544); one end of each push rod (541) is hinged to the second pressure plate (53), and the other end of each push rod is hinged to the first trapezoidal block (542); the first trapezoid block (542) is slidably connected to the inner side wall of the first cavity (42); the trapezoid rack plate (543) is connected to the inner side wall of the first cavity (42) in a sliding mode, and the inclined end of the trapezoid rack plate is in contact with the first trapezoid block (542); the first trapezoidal block (542) and the trapezoidal rack plate (543) are ninety degrees; the first rack plate (546) is connected to the inner side wall of the first cavity (42) corresponding to the trapezoid rack plate (543) in a sliding mode; the rotating shaft (544) is rotatably connected to the inner side wall of the first cavity (42); a spur gear (545) is fixedly connected to the rotating shaft (544); one side of the straight gear (545) is meshed with the trapezoidal rack plate (543) and the other side is meshed with the first rack plate (546); the bottom end of the first rack plate (546) is provided with a clamping component (55).

4. A portable vehicle-mounted refrigerator according to claim 3, characterized in that: the clamping component (55) comprises a clamping column (551) and a clamping groove (552); the clamping column (551) is fixedly connected to the bottom end of the first rack plate (546); the clamping groove (552) is arranged on the top end of the sliding block (57).

5. The portable vehicle-mounted refrigerator according to claim 2, characterized in that: a second cavity (441) is formed in the second handle (44); a switch assembly (58) is arranged in the second cavity (441); a right connecting plate (584) is fixedly connected to the inner side wall of the second cavity (441); a right contact (585) is fixedly connected to the side wall of the right connecting plate (584); the side wall of the right connecting plate (584) is fixedly connected with a telescopic spring (586); a left connecting plate (582) is fixedly connected to the end part, far away from the right connecting plate (584), of the extension spring (586); a left contact (583) is fixedly connected to the side wall of the left connecting plate (582); the side wall of the left connecting plate (582), which is far away from the telescopic spring (586), is arc-shaped and extends out of the first cavity (42), and a third pressing plate (581) is fixedly connected with the left connecting plate.

6. The portable vehicle-mounted refrigerator according to claim 5, characterized in that: and the right connecting plate (584) is connected with the strip-shaped electromagnet (572) through an electric wire.

7. The portable vehicle-mounted refrigerator according to claim 5, characterized in that: a guide assembly (587) is arranged between the right connecting plate (584) and the left connecting plate (582); the guide assembly (587) comprises a guide post (5871) and a guide sleeve (5872); the guide post (5871) is fixedly connected to the side wall of the left connecting plate (582); the guide sleeve (5872) is arranged on the side wall of the right connecting plate (584).

8. The portable vehicle-mounted refrigerator according to claim 1, characterized in that: the chassis (1) is fixedly connected with a shock pad (11) relative to the position of the roller (47).