CN219077229U - Trolley with folding structure - Google Patents
Trolley with folding structure Download PDFInfo
- Publication number
- CN219077229U CN219077229U CN202222581993.9U CN202222581993U CN219077229U CN 219077229 U CN219077229 U CN 219077229U CN 202222581993 U CN202222581993 U CN 202222581993U CN 219077229 U CN219077229 U CN 219077229U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- side frame
- trolley
- folding structure
- hinge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Handcart (AREA)
Abstract
The utility model relates to a trolley with a folding structure, which comprises an upper trolley body, a lower trolley body, connecting pieces and rollers, wherein the upper trolley body is connected with the lower trolley body through the connecting pieces, the rollers are respectively arranged at four corners of the lower surface of the lower trolley body, the lower trolley body comprises a first side frame and a second side frame, and a first connecting rod is arranged between the first side frame and the second side frame; the first connecting rod comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the second connecting rod through a first hinge. The folding connecting rod design is adopted, so that the purpose of adjusting the width of the trolley is achieved, the storage function of baking trays with different specifications can be realized, and the cost is saved; and the upper car body adopts a detachable connection mode, when the trolley is not used, the upper car body can be folded downwards after being detached, and then the lower car body is contracted and folded, so that the space occupied by the trolley body is reduced, and the trolley is convenient to transport and store.
Description
Technical Field
The utility model belongs to the technical field of food utensil display equipment, and relates to a trolley with a folding structure.
Background
The trolley is a device commonly used in the baking industry, and the size of the trolley is usually fixed and cannot be adjusted; one trolley is only suitable for baking trays of one specification; the baking tray which is smaller than the inner-baffle size distance of the baffle plate is placed in the trolley and cannot be fixed, and the trolley with other specifications is required to be selected; therefore, a plurality of trolleys with different specifications are required to be provided for baking trays with different specifications, so that the cost is increased and the resource is wasted; in addition, the existing trolley has a large occupied space and is inconvenient to store and transport when a plurality of trolleys are stored together due to the fixed appearance of the existing trolley.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, solve the problems of fixed size and large occupied space during storage and transportation of a trolley, and provide the trolley with a folding structure.
In order to achieve the above purpose, the following technical scheme is adopted:
the trolley with the folding structure comprises an upper trolley body, a lower trolley body, connecting pieces and rollers, wherein the upper trolley body is connected with the lower trolley body through the connecting pieces, the inner sides of the upper trolley body and the lower trolley body are respectively provided with corresponding baffles, and the four corners of the lower trolley body are respectively provided with the rollers; the lower vehicle body comprises a first side frame and a second side frame, and a first connecting rod is arranged between the first side frame and the second side frame;
the first connecting rod comprises a first connecting rod and a second connecting rod, and the first connecting rod is connected with the second connecting rod by a first hinge; the upper surface of the first connecting rod is hinged with a connecting plate, a plurality of clamping grooves are formed in the connecting plate, a positioning column capable of being matched with the clamping grooves is arranged on the second connecting rod, and a fixing hole capable of being matched with the positioning column is formed in the second connecting rod;
the upper vehicle body comprises a third side frame and a fourth side frame, a second connecting rod and a third connecting rod are arranged between the third side frame and the fourth side frame, one end of the second connecting rod is hinged with the third side frame, and the other end of the second connecting rod is detachably connected with the fourth side frame; one end of the third connecting rod is hinged with the fourth side frame, and the other end of the third connecting rod is detachably connected with the third side frame.
Preferably, the connecting piece comprises a second hinge and a connecting buckle.
Preferably, the inner sides of the upper end middle parts of the third side frame and the fourth side frame are respectively provided with a U-shaped clamping groove.
Preferably, one side of the lower end of the first side frame is hinged with a first fixing plate, and one side of the upper end of the third side frame is provided with a first fixing column which can be matched with the fixing plate.
Preferably, one side of the lower end of the second side frame is hinged with a second fixing plate, and one side of the upper end of the fourth side frame is provided with a second fixing column which can be matched with the fixing plate.
Preferably, the inner sides of four corners of the first side frame and the second side frame are respectively provided with a first hinge plate, and the first hinge plates are provided with first pin shafts; one end of the first connecting rod is hinged with the first side frame by using a first pin shaft and a first hinge plate, and the other end of the first connecting rod is hinged with the second side frame by using the first pin shaft and the first hinge plate.
Preferably, the inner sides of the upper ends of the third side frame and the fourth side frame are respectively provided with a second hinge plate used for hinging the second connecting rod and the third connecting rod, and the second hinge plate is provided with a second pin shaft.
Preferably, springs for providing pretightening force for the first connecting rod and the second connecting rod are sleeved outside the first pin shaft and the second pin shaft.
Preferably, the clamping groove comprises a first clamping groove, a second clamping groove, a third clamping groove and a closed clamping groove.
Preferably, the second connecting rod and the third connecting rod have the same structure as the first connecting rod.
Compared with the prior art, the utility model has the following advantages:
the foldable connecting rod adopted by the utility model achieves the purpose of adjusting the width of the trolley by matching the adjusting positioning column with different clamping grooves, so that one trolley can realize the storage function of baking trays with different specifications through adjustment, and the cost is saved; and the upper car body adopts a detachable connection mode, when the trolley is not used, the upper car body can be folded downwards after being detached, and then the lower car body is contracted and folded, so that the space occupied by the trolley body is reduced, and the trolley is convenient to transport and store.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the lower body structure of the present utility model.
Fig. 3 is a schematic view of the upper body structure of the present utility model.
Fig. 4 is a schematic view of a first connecting rod according to the present utility model.
Fig. 5 is a schematic diagram of the storage state of the present utility model.
In the figure: 1. an upper body; 2. a lower body; 3. a baffle; 4. the roller, 5, the first side frame; 6. a second side frame; 7. a first connecting rod; 8. a first link; 9. a second link; 10. a first hinge; 11. a connecting plate, 12 and a clamping groove; 13. positioning columns; 14; a fixing hole; 15. a third side frame; 16. a fourth side frame; 17. a second connecting rod; 18. a third connecting rod; 19. a second hinge; 20. a connecting hasp; 21. a U-shaped clamping groove; 22. a first fixing plate; 23. a first fixing column; 24. a second fixing plate; 25. a second fixing column; 26. a first hinge plate; 27. a first pin; 28. a second hinge plate; 29. a second pin; 30. a spring; 31. a first clamping groove; 32. a second clamping groove; 33. a third clamping groove; 34. closing the clamping groove.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1-5, the trolley with the folding structure comprises an upper trolley body 1, a lower trolley body 2, connecting pieces and rollers 4, wherein the upper trolley body 1 and the lower trolley body 2 are connected by the connecting pieces, the inner sides of the upper trolley body 1 and the lower trolley body 2 are respectively provided with corresponding baffle plates 3, and the parallel baffle plates 3 correspond to each other and are used for storing baking trays;
the four corners of the lower surface of the lower vehicle body 2 are respectively provided with rollers 4; the trolley is convenient to move by the idler wheels 4; the lower vehicle body 2 comprises a first side frame 5 and a second side frame 6, and the first side frame 5 and the second side frame 6 are used for installing the baffle 3 and play a role in fixing and supporting; a first connecting rod 7 is arranged between the first side frame 5 and the second side frame 6, and the first connecting rod 7 connects the first side frame 5 and the second side frame 6 into the lower vehicle body 2;
the first connecting rod 7 comprises a first connecting rod 8 and a second connecting rod 9, the first connecting rod 8 and the second connecting rod 9 are connected by a first hinge 10, and the first hinge 10 enables the first connecting rod 8 and the second connecting rod 9 to be folded;
a connecting plate 11 is hinged on the first connecting rod 8, a plurality of clamping grooves 12 are formed in the connecting plate 11, positioning columns 13 which can be matched with the clamping grooves 12 are arranged on the second connecting rod 9, and the positioning columns 13 can be inserted into different clamping grooves 12, so that the relative positions of the first connecting rod 8 and the second connecting rod 9 are kept fixed, and the purpose of shrinking or expanding the first connecting rod 7 is achieved;
the second connecting rod 9 is provided with a fixing hole 14 which can be matched with the positioning column 13, and the positioning column 13 can be matched with different fixing holes 14 so as to facilitate the positioning column 13 to be matched with different clamping grooves 12;
the upper vehicle body 1 comprises a third side frame 15 and a fourth side frame 16, a second connecting rod 17 and a third connecting rod 18 are arranged between the third side frame 15 and the fourth side frame 16, one end of the second connecting rod 17 is hinged with the third side frame 15, and the other end of the second connecting rod is detachably connected with the fourth side frame 16; the second connecting rod 17 can be turned to be parallel to the third side frame 15 after being disconnected from the fourth side frame;
one end of the third connecting rod 18 is hinged to the fourth side frame 16, the other end of the third connecting rod is detachably connected to the third side frame 15, and the third connecting rod 18 can be turned to be parallel to the fourth side frame 16 after being disconnected from the fourth side frame.
Further, the connecting piece comprises a second hinge 19 and a connecting buckle 20, the second hinge 19 is respectively positioned at the front side and the rear side of the upper vehicle body 1 and the lower vehicle body 2, and the third side frame 15 and the fourth side frame 16 in the upper vehicle body 1 can be folded downwards by using the second hinge 19; the connecting buckles 20 are respectively arranged at the left side and the right side of the upper car body 1 and the lower car body 2, and the connecting buckles 20 are used for fastening the connection between the upper car body 1 and the lower car body 2.
Further, U-shaped clamping grooves 21 are respectively formed in the inner sides of the middle parts of the upper ends of the third side frame 15 and the fourth side frame 16, and the U-shaped clamping grooves 21 are respectively used for fixing the second connecting rod 17 and the third connecting rod 18.
Further, a first fixing plate 22 is hinged to one side of the lower end of the first side frame 5, and a first fixing column 23 capable of being matched with the fixing plate is arranged on one side of the upper end of the third side frame 15; when the third side frame 15 is folded downwards along the second hinge 19, the first fixing plate 22 and the first fixing column 23 cooperate to fix the first side frame 5 and the third side frame 15.
Further, a second fixing plate 24 is hinged to one side of the lower end of the second side frame 6, and a second fixing column 25 capable of being matched with the fixing plate is arranged on one side of the upper end of the fourth side frame 16; when the fourth side frame 16 is folded down by the second hinge 19, the second fixing plate 24 and the second fixing post 23 cooperate to fix the second side frame 6 and the fourth side frame 16.
Further, the inner sides of the four corners of the first side frame 5 and the second side frame 6 are respectively provided with a first hinge plate 26, and the first hinge plates 26 are provided with first pin shafts 27; one end of the first connecting rod 7 is hinged to the first side frame 5 by using a first pin 27 and a first hinge plate 26, and the other end is hinged to the second side frame 6 by using the first pin 27 and the first hinge plate 26.
Further, the inner sides of the upper ends of the third side frame 15 and the fourth side frame 16 are respectively provided with a second hinge plate 28 for hinging the second connecting rod 17 and the third connecting rod 18, the second hinge plate 28 is provided with a second pin shaft 29, and the second pin shaft 29 can be removed from the second hinge plate 28, so that the second connecting rod 17 is disconnected with the fourth side frame 16; or disconnect the third connecting rod 18 from the third side frame 15.
Further, the outer sides of the first pin shaft 27 and the second pin shaft 29 are sleeved with springs 30 for providing pretightening force for the first connecting rod 8 and the second connecting rod 9, and the springs 30 enable the first connecting rod 8 and the second connecting rod 9 to expand outwards, so that the clamping grooves 12 on the connecting plate 11 and the positioning columns 13 are prevented from loosening due to shaking back and forth in use.
Further, the clamping groove 12 comprises a first clamping groove 31, a second clamping groove 32, a third clamping groove 33 and a closing clamping groove 34; when the third clamping groove 33 is matched with the positioning column 13, the first connecting rod 8 and the second connecting rod 9 are fully unfolded, and the trolley is in a fully opened state; when the closing clamping groove 34 is matched with the positioning column 13, the first connecting rod 8 and the second connecting rod 9 rotate to a closed state; when the positioning column 13 is matched with the first clamping groove 31 or the second clamping groove 32, the first connecting rod 8 and the second connecting rod 9 form an included angle, and the trolley can be suitable for storing baking trays with smaller width.
Further, the second connecting rod 17 and the third connecting rod 18 have the same structure as the first connecting rod 7, so that the second connecting rod 17 and the third connecting rod 18 can be folded synchronously with the first connecting rod 7.
Working principle: when the baking tray with larger width is needed to be placed in the baking tray, the connecting hasp 20 between the upper automobile body 1 and the lower automobile body 2 is fixed, and the first connecting rod 7, the second connecting rod 17 and the third connecting rod 18 are opened to a fully unfolded state, namely the positioning column 13 is matched with the third clamping groove 33 on the connecting plate 11; at this time, the dolly is fully opened; if a baking tray with smaller width is required to be placed, the positioning column 13 is matched with the first clamping groove 31 or the second clamping groove 32, and a proper width is found;
if the trolley is in a suspended state or needs to be transported to other places, the connection between one end of the second connecting rod 17 and the fourth side frame 15 can be disconnected, and the second connecting rod 17 is clamped into the corresponding U-shaped clamping groove 21; then, disconnecting one end of the third connecting rod 18 from the third side frame 16, and clamping the third connecting rod 18 into the corresponding U-shaped clamping groove 21;
then the connecting buckle 20 between the upper vehicle body 1 and the lower vehicle body 2 is released, the third side frame 15 and the fourth side frame 16 are folded downwards by using the second hinge 19, the first side frame 5 and the third side frame 15 are fixed by using the cooperation of the first fixing plate 22 and the first fixing column 23, and the second side frame 6 and the fourth side frame 16 are fixed by using the cooperation of the second fixing plate 24 and the second fixing column 23;
then, the positioning column 31 on the first connecting rod 7 is matched with the closing clamping groove 34, so that the first connecting rod 7 is in a closed state, at the moment, the first side frame 5 and the second side frame 6 are adjacent, and the trolley is in a storage state, so that the trolley is convenient to store and transport.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. The trolley with the folding structure comprises an upper trolley body (1), a lower trolley body (2), connecting pieces and rollers (4), wherein the upper trolley body (1) is connected with the lower trolley body (2) through the connecting pieces, and corresponding baffle plates (3) are respectively arranged on the inner sides of the upper trolley body (1) and the lower trolley body (2); the lower four corners of the lower vehicle body (2) are respectively provided with idler wheels (4), and the vehicle is characterized in that: the lower vehicle body (2) comprises a first side frame (5) and a second side frame (6), and a first connecting rod (7) is arranged between the first side frame (5) and the second side frame (6);
the first connecting rod (7) comprises a first connecting rod (8) and a second connecting rod (9), and the first connecting rod (8) and the second connecting rod (9) are connected by a first hinge (10); a connecting plate (11) is hinged on the first connecting rod (8), a plurality of clamping grooves (12) are formed in the connecting plate (11), positioning columns (13) which can be matched with the clamping grooves (12) are arranged on the second connecting rod (9), and fixing holes (14) for installing the positioning columns (13) are formed in the second connecting rod (9);
the upper vehicle body (1) comprises a third side frame (15) and a fourth side frame (16), a second connecting rod (17) and a third connecting rod (18) are arranged between the third side frame (15) and the fourth side frame (16), one end of the second connecting rod (17) is hinged with the third side frame (15), and the other end of the second connecting rod is detachably connected with the fourth side frame (16); one end of the third connecting rod (18) is hinged with the fourth side frame (16), and the other end of the third connecting rod is detachably connected with the third side frame (15).
2. A trolley with a folding structure according to claim 1, characterized in that: the connecting piece comprises a second hinge (19) and a connecting hasp (20).
3. A trolley with a folding structure according to claim 1, characterized in that: u-shaped clamping grooves (21) are respectively formed in the inner sides of the middle parts of the upper ends of the third side frame (15) and the fourth side frame (16).
4. A trolley with a folding structure according to claim 1, characterized in that: one side of first side frame (5) lower extreme articulates there is first fixed plate (22), one side of third side frame (15) upper end is provided with first fixed column (23) that can cooperate with first fixed plate (22).
5. A trolley with a folding structure according to claim 1, characterized in that: the lower extreme one side of second side frame (6) articulates there is second fixed plate (24), fourth side frame (16) upper end one side is provided with second fixed column (25) that can cooperate with second fixed plate (24).
6. A trolley with a folding structure according to claim 1, characterized in that: the inner sides of four corners of the first side frame (5) and the second side frame (6) are respectively provided with a first hinge plate (26), and the first hinge plates (26) are provided with first pin shafts (27); one end of the first connecting rod (7) is hinged with the first side frame (5) by a first pin shaft (27) and a first hinge plate (26), and the other end of the first connecting rod is hinged with the second side frame (6) by the first pin shaft (27) and the first hinge plate (26).
7. A trolley with a folding structure according to claim 1, characterized in that: the inner sides of the upper ends of the third side frame (15) and the fourth side frame (16) are respectively provided with a second hinge plate (28) for hinging the second connecting rod (17) and the third connecting rod (18), and the second hinge plate (28) is provided with a second pin shaft (29).
8. The trolley with a folding structure according to claim 6, characterized in that: the outer sides of the first pin shaft (27) and the second pin shaft (29) are respectively sleeved with a spring (30) for providing pretightening force for the first connecting rod (8) and the second connecting rod (9).
9. A trolley with a folding structure according to claim 1, characterized in that: the clamping groove (12) comprises a first clamping groove (31), a second clamping groove (32), a third clamping groove (33) and a closing clamping groove (34).
10. A trolley with a folding structure according to claim 1, characterized in that: the second connecting rod (17) and the third connecting rod (18) have the same structure as the first connecting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581993.9U CN219077229U (en) | 2022-09-28 | 2022-09-28 | Trolley with folding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581993.9U CN219077229U (en) | 2022-09-28 | 2022-09-28 | Trolley with folding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219077229U true CN219077229U (en) | 2023-05-26 |
Family
ID=86392879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222581993.9U Active CN219077229U (en) | 2022-09-28 | 2022-09-28 | Trolley with folding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219077229U (en) |
-
2022
- 2022-09-28 CN CN202222581993.9U patent/CN219077229U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208941860U (en) | A kind of barbecue rack | |
| US20090051254A1 (en) | Modular desk assembly having collapsible frame | |
| US20090066114A1 (en) | Stowable wagon | |
| CN219077229U (en) | Trolley with folding structure | |
| CN117087733A (en) | Portable carrying vehicle, camping vehicle and folding frame | |
| CN112137296A (en) | Folding unit cabinet | |
| CN112056821A (en) | Folding combined cabinet | |
| CN110002002B (en) | Folding bracket for helicopter | |
| CN108583642B (en) | Portable folding carrier | |
| CN115402389A (en) | Trolley with folding structure | |
| TW202413163A (en) | Foldable trolley | |
| CN217446914U (en) | Inclined-pulling type folding vegetable buying vehicle | |
| US6767027B2 (en) | Folding structure for basket support of a stroller | |
| CN206518230U (en) | A kind of folding trunk | |
| CN212500499U (en) | Foldable trailer | |
| CN219165924U (en) | Portable goods shelf | |
| CN218229045U (en) | Handcart is folded to extendible formula | |
| CN219928215U (en) | Folding container and folding box type trolley | |
| CN205682791U (en) | A kind of Foldable type storage rack | |
| CN218021652U (en) | Telescopic folding plate trailer | |
| US20240317287A1 (en) | Handcart open on two sides | |
| CN210083801U (en) | Folding mechanism of box | |
| CN213414539U (en) | Folding shopping box | |
| CN214138091U (en) | Portable drawing board for outdoor sketching | |
| CN210235623U (en) | Positioning mechanism of box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |