CN213228730U

CN213228730U - Portable unloading device for cold chain transportation

Info

Publication number: CN213228730U
Application number: CN202021983563.4U
Authority: CN
Inventors: 单智轩
Original assignee: Chengdu Zhongle Catering Management Co ltd
Current assignee: Chengdu Zhongle Catering Management Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-18
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a portable unloading device for cold chain transportation, the on-line screen storage device comprises a base, first gyro wheel is installed to the below of base, the inside of base is provided with first hole, the supporting shoe is installed to the top of base, and the right side of supporting shoe is provided with the recess, the internally mounted of first hole has the rack, and installs the outside in the top of rack and install the second gyro wheel, the internally mounted of supporting shoe has the transfer line, and the right side of transfer line installs the gear, and the outside of first skewed tooth gear installs the skewed tooth gear of second, the internally mounted of skewed tooth gear of second has first screw rod. This discharge devices is used in transportation of portable cold chain, first screw rod, first nut and bracing piece constitute screw mechanism, rotate first screw rod and drive first nut and move downwards, and then drive the bracing piece and move downwards to make the telescopic link shrink, make the volume of device diminish, thereby reach portable's purpose.

Description

Portable unloading device for cold chain transportation

Technical Field

The utility model relates to a relevant technical field of discharge devices specifically is a discharge devices is used in transportation of portable cold chain.

Background

The cold chain conveying unloading device is a device for transporting goods to a destination to be disassembled and moved away, and the main purpose of the cold chain conveying unloading device is to classify and transport the goods.

The existing cold chain conveying and unloading device is generally too large and is not very easy to carry when being carried.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable cold chain is discharge devices for transportation to current cold chain transportation discharge devices who proposes in solving above-mentioned background art is generally too big, very not good when carrying carry on the problem of carrying.

In order to achieve the above object, the utility model provides a following technical scheme: a portable unloading device for cold chain transportation comprises a base, wherein a first roller is installed below the base, a first hole is formed in the base, a supporting block is installed above the base, a groove is formed in the right side of the supporting block, a rack is installed in the first hole, a second roller is installed outside the rack, a transmission rod is installed inside the supporting block, a straight-tooth gear is installed on the right side of the transmission rod, a first helical gear is installed on the left side of the transmission rod, a second helical gear is installed on the outer side of the first helical gear, a first screw rod is installed inside the second helical gear, a first nut is installed on the outer side of the first screw rod, a supporting rod is installed below the second helical gear, a supporting plate is installed above the first nut, and a telescopic plate is installed above the supporting plate, and a second hole is arranged inside the lower part of the expansion plate, a second nut is arranged inside the second hole, a second screw rod is arranged inside the second nut, a rotary handle is arranged at the left end of the second screw rod, and an expansion rod is arranged above the supporting block.

The width of the first hole is consistent with that of the rack, and the outer side surface of the straight rack is tightly meshed with the outer side surface of the gear

The width of the groove is consistent with that of the second roller, and the rack is fixedly connected with the second roller.

The straight-tooth gear is connected with the transmission rod in a key connection mode, and the transmission rod is connected with the first helical gear in a key connection mode.

The outer side surface of the first helical gear is tightly meshed with the outer side surface of the second helical gear, and the inclination angles of the second helical gear and the first helical gear are both 45 degrees.

The angle between the first nut and the horizontal plane is DEG, and the first nut and the support plate are connected in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that: according to the portable unloading device for the cold chain transportation, the first screw, the first nut and the support rod form a spiral mechanism, the first screw is rotated to drive the first nut to move downwards, and then the support rod is driven to move downwards, so that the telescopic rod is contracted, the size of the device is reduced, and the purpose of convenience in carrying is achieved;

the second nut and the second screw form a spiral mechanism, the second screw is rotated to drive the second nut to move, and then the expansion plate is driven to expand, so that the area of the expansion plate is enlarged, and the purpose of bearing more goods is achieved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the retractable plate of the present invention;

FIG. 4 is a schematic view of the structure at the position A in FIG. 1 according to the present invention

Fig. 5 is a schematic structural diagram of the point B in fig. 2 according to the present invention.

In the figure, 1, a base; 2. a first roller; 3. a first hole; 4. a support block; 5. a groove; 6. a rack; 7. a second roller; 8. a transmission rod; 10. a straight-tooth gear; 11. a first helical gear; 12. a second helical gear; 13. a first screw; 14. a first nut; 15. a support bar; 16. a support plate; 17. a retractable plate; 18. a second hole; 19. a second nut; 20. a second screw; 21. rotating the handle; 22. a telescopic rod.

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. 1-5, the present invention provides a technical solution: a portable unloading device for cold chain transportation comprises a base 1, a first roller 2 is installed below the base 1, a first hole 3 is formed in the base 1, a supporting block 4 is installed above the base 1, a groove 5 is formed in the right side of the supporting block 4, a rack 6 is installed in the first hole 3, a second roller 7 is installed on the outer side of the upper portion of the rack 6, a transmission rod 8 is installed in the supporting block 4, a straight-tooth gear 10 is installed on the right side of the transmission rod 8, a first helical-tooth gear 11 is installed on the left side of the transmission rod 8, a second helical-tooth gear 12 is installed on the outer side of the first helical-tooth gear 11, a first screw 13 is installed in the second helical-tooth gear 12, a first nut 14 is installed on the outer side of the first screw 13, a supporting rod 15 is installed below the second helical-tooth gear 12, a supporting plate 16 is installed above the first nut 14, the expansion plate 17 is installed above the support plate 16, the second hole 18 is installed below the expansion plate 17, the second nut 19 is installed inside the second hole 18, the second screw rod 20 is installed inside the second nut 19, the rotating handle 21 is installed at the left end of the second screw rod 20, and the expansion link 22 is installed above the support block 4.

The width of the first hole 3 is the same as the width of the rack 6, and the outer side surface of the rack 6 is tightly engaged with the outer side surface of the straight-tooth gear 10, so that the rack 6 can drive the straight-tooth gear 10 to rotate.

The width of the groove 5 is consistent with that of the second roller 7, and the connection mode of the rack 6 and the second roller 7 is fixed connection, so that the second roller 7 cannot shake when moving in the groove 5.

The straight-tooth gear 10 is in key connection with the transmission rod 8, and the transmission rod 8 is in key connection with the first helical gear 11, so that the straight-tooth gear 10 can drive the transmission rod 8 to rotate.

The outer side surface of the first helical gear 11 is tightly engaged with the outer side surface of the second helical gear 12, and the inclination angles of the second helical gear 12 and the first helical gear 11 are both 45 °, so that the first helical gear 11 can drive the second helical gear 12 to rotate.

The angle between the first nut 14 and the horizontal plane is 90 degrees, the first nut 14 and the support plate 16 are connected in a welding mode, and the support plate 16 cannot fall off when moving up and down due to stable welding.

The working principle is as follows: when the portable unloading device for cold chain transportation is used and unloading is needed, the rack 6 is stepped by feet to move downwards to drive the straight-tooth gear 10 to rotate and drive the transmission rod 8 to rotate so as to drive the first helical gear 11 to rotate, and because the outer side of the first helical gear 11 is tightly meshed with the outer side of the second helical gear 12, the second helical gear 12 is driven to rotate to drive the first screw 13 to rotate, the first nut 14 and the support rod 15 are driven to move upwards to drive the expansion plate 17 to move upwards, the second screw 20 is driven to rotate by rotating the rotating handle 21, the second nut 19 is driven to move, the area of the expansion plate 17 is enlarged, and therefore more goods can be loaded;

when the device needs to be changed into a portable state, the rack 6 is pushed to upwards drive the straight-tooth gear 10 to reversely rotate, the first screw 13 is driven to reversely rotate, the first nut 14 and the support rod 15 are driven to move downwards, the size of the device is reduced, the second screw 20 is rotated to drive the second nut 19 to move leftwards, the expansion plate 17 is driven to contract, and the portable purpose is achieved.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable unloading device for cold chain transportation comprises a base (1), and is characterized in that: the utility model discloses a gear transmission mechanism, including base (1), first gyro wheel (2) are installed to the below of base (1), the inside of base (1) is provided with first hole (3), supporting shoe (4) are installed to the top of base (1), and the right side of supporting shoe (4) is provided with recess (5), the internally mounted of first hole (3) has rack (6), and second gyro wheel (7) are installed in the top installation outside of rack (6), the internally mounted of supporting shoe (4) has transfer line (8), and the right side of transfer line (8) installs straight-tooth gear (10), first skewed tooth gear (11) is installed in transfer line (8) left side, and second skewed tooth gear (12) is installed in the outside of first skewed tooth gear (11), the internally mounted of second skewed tooth gear (12) has first screw rod (13), and first nut (14) is installed in the outside of first screw rod (13), bracing piece (15) are installed to the below of second skewed tooth gear (12), backup pad (16) are installed to the top of first nut (14), expansion plate (17) are installed to the top of backup pad (16), and the below internally mounted of expansion plate (17) has second hole (18), the internally mounted of second hole (18) has second nut (19), and the internally mounted of second nut (19) has second screw rod (20), rotatory handle (21) are installed to the left end of second screw rod (20), telescopic link (22) are installed to the top of supporting shoe (4).

2. A portable cold chain transport unloading device according to claim 1, wherein: the width of the first hole (3) is consistent with that of the rack (6), and the outer side surface of the rack (6) is tightly meshed with the outer side surface of the straight-tooth gear (10).

3. A portable cold chain transport unloading device according to claim 1, wherein: the width of the groove (5) is consistent with that of the second roller (7), and the rack (6) is fixedly connected with the second roller (7).

4. A portable cold chain transport unloading device according to claim 1, wherein: the straight-tooth gear (10) is connected with the transmission rod (8) in a key connection mode, and the transmission rod (8) is connected with the first helical gear (11) in a key connection mode.

5. A portable cold chain transport unloading device according to claim 1, wherein: the outer side surface of the first helical gear (11) is tightly meshed with the outer side surface of the second helical gear (12), and the inclination angles of the second helical gear (12) and the first helical gear (11) are both 45 degrees.

6. A portable cold chain transport unloading device according to claim 1, wherein: the angle between the first nut (14) and the horizontal plane is 90 degrees, and the first nut (14) and the support plate (16) are connected in a welding mode.