CN212950691U

CN212950691U - Foldable transportation handcart

Info

Publication number: CN212950691U
Application number: CN202021391632.2U
Authority: CN
Inventors: 王守波; 王子涵
Original assignee: Qingdao Huawei Vehicle Manufacturing Co ltd
Current assignee: Qingdao Huawei Vehicle Manufacturing Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-13
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a foldable transportation handcart relates to the conveyer field, to current handcart load capacity and the unbalanced problem of flexibility, now proposes following scheme, and it includes first preceding layer board, the layer board before the second is installed in the matching of one side of first preceding layer board, just the spout has all been seted up along its length direction to the one end of layer board before first preceding layer board and the second, just it has cup jointed first back splint and second back splint to slide respectively in first preceding layer board and the second preceding layer board, just the both ends that first preceding layer board and first back splint kept away from each other are fixed respectively along its width direction and have cup jointed threaded sleeve and sleeve pipe, the layer board is located threaded sleeve department and has connect the bearing along its width direction fixed cover before the second, just install the pivot in the bearing. The utility model discloses novel structure, and the device simple structure, convenient to use and adjustment are nimble, the effectual comprehensive properties that improves the handcart.

Description

Foldable transportation handcart

Technical Field

The utility model relates to a conveyer field especially relates to a foldable transportation handcart.

Background

The handcart is a manpower drive's conveyer, has simple structure, characteristics such as bearing capacity is better and convenient to use, along with the rise of trades such as express delivery, the small-size conveyer similar to the handcart has brought into full play its convenient nimble advantage, has obtained make full use of in the occasion of various goods transport, and improve to continuous upgrading of different application scene demands, including improving structural strength, improve trafficability characteristic, flexibility etc. wherein use one of the important performance parameter of handcart in a flexible way, current handcart mostly adopts sacrificial structural strength and load capacity to trade the flexibility, lead to the comprehensive properties of handcart not obviously to improve, consequently in order to solve above-mentioned problem, we have proposed a foldable transportation handcart.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of foldable transportation handcart has solved the unbalanced problem of current handcart load capacity and flexibility.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a folding transportation trolley comprises a first front supporting plate, wherein a second front supporting plate is installed on one side of the first front supporting plate in a matched mode, sliding grooves are formed in one ends of the first front supporting plate and the second front supporting plate along the length direction of the first front supporting plate, a first rear supporting plate and a second rear supporting plate are respectively sleeved in the first front supporting plate and the second front supporting plate in a sliding mode, the two ends, far away from each other, of the first front supporting plate and the first rear supporting plate are respectively fixedly sleeved with a threaded sleeve and a sleeve along the width direction of the threaded sleeve, a bearing is fixedly sleeved on the position, located at the threaded sleeve, of the second front supporting plate along the width direction of the threaded sleeve, a rotating shaft is installed in the bearing, one end, close to the threaded sleeve, of the rotating shaft penetrates through the second front supporting plate, an external thread is formed in the end, far away from the second front supporting plate, of the rotating shaft is in threaded connection with the threaded sleeve, and an inner shaft is fixedly, and the inner shaft penetrates through the second rear supporting plate, the inner shaft is in sliding sleeve joint with the sleeve, and universal joints are arranged at the tops of the ends, far away from the sleeve, of the first front supporting plate and the second front supporting plate.

Preferably, the top ends of the first rear supporting plate and the second rear supporting plate, which are positioned in the sliding grooves, are provided with grooves, and the grooves are uniformly distributed along the length direction of the first rear supporting plate and the length direction of the second rear supporting plate.

Preferably, threaded holes are formed in the tops of the ends, far away from the universal joint, of the first front supporting plate and the second front supporting plate, jackscrews are installed in the threaded holes in a matched mode, and the bottom ends of the jackscrews are matched with the grooves.

Preferably, a hexagonal groove is formed in one end, far away from the threaded sleeve, of the rotating shaft.

Preferably, two sets of the top of universal joint all has the connecting rod, and two sets of install the horizontal pole between the connecting rod, the top of two sets of connecting rods is articulated with the both ends of horizontal pole respectively.

Preferably, the top end of the cross rod is fixedly connected with a handle, and the handle is T-shaped.

The utility model has the advantages that:

1. the device drives the rotating shaft to rotate through the hexagonal groove, and the rotating shaft is screwed in or out through the external thread relative to the threaded sleeve, so that the two groups of front supporting plates and the rear supporting plate are driven to be synchronously close to or far away from each other, and the width of the device can be flexibly adjusted.

2. The device ensures that the rotating shaft rotates flexibly through the bearing, and the device keeps stable structure through the sliding sleeve connection of the inner shaft and the sleeve pipe and the matching of the rotating shaft and the threaded sleeve pipe.

3. The two groups of rear supporting plates are pulled out in the direction far away from the front supporting plate, so that the length of the device can be lengthened, and the width adjusting function of the device is matched, so that the device can load more cargoes.

4. The handle of the device is connected with the front supporting plate through the universal joint, so that the handle can flexibly adjust the operation angle, can be completely laid down and folded, and occupies less space.

In conclusion, the device has the advantages of simple structure, convenience in use, flexibility in adjustment and capability of effectively improving the comprehensive performance of the trolley.

Drawings

Fig. 1 is a sectional view of the internal structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view of a-a in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a first front fascia; 2. a first rear fascia; 3. a second front fascia; 4. a second rear fascia; 5. a chute; 6. a groove; 7. a threaded hole; 8. carrying out top thread; 9. a bearing; 10. a rotating shaft; 11. a hexagonal groove; 12. an external thread; 13. a threaded bushing; 14. an inner shaft; 15. a sleeve; 16. a universal joint; 17. a connecting rod; 18. a cross bar; 19. a handle.

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.

Referring to fig. 1-3, a foldable transportation cart comprises a first front supporting plate 1, a second front supporting plate 3 is mounted on one side of the first front supporting plate 1 in a matching manner, sliding grooves 5 are formed in one ends of the first front supporting plate 1 and the second front supporting plate 3 along the length direction of the first front supporting plate, a first rear supporting plate 2 and a second rear supporting plate 4 are respectively sleeved in the first front supporting plate 1 and the second front supporting plate 3 in a sliding manner, a threaded sleeve 13 and a sleeve 15 are respectively fixedly sleeved at two ends of the first front supporting plate 1, which are far away from the first rear supporting plate 2, along the width direction of the first front supporting plate, a bearing 9 is fixedly sleeved at the position of the second front supporting plate 3 along the width direction of the second front supporting plate, a rotating shaft 10 is mounted in the bearing 9, one end of the rotating shaft 10, which is close to the threaded sleeve 13, penetrates through the second front supporting plate 3, and an external thread 12 is formed at one end of the rotating shaft, the rotating shaft 10 is in threaded connection with a threaded sleeve 13, the second rear support plate 4 is positioned at the sleeve 15 and fixedly sleeved with an inner shaft 14 along the width direction thereof, the inner shaft 14 penetrates through the second rear support plate 4, the inner shaft 14 is in sliding sleeve connection with the sleeve 15, universal joints 16 are respectively installed at the tops of the ends, far away from the sleeve 15, of the first front support plate 1 and the second front support plate 3, grooves 6 are respectively formed at the tops, far away from the universal joints 16, of the first rear support plate 2 and the second rear support plate 4 in the sliding grooves 5, the grooves 6 are uniformly distributed along the length direction of the first rear support plate 2 and the second rear support plate 4, threaded holes 7 are respectively formed at the tops of the ends, far away from the universal joints 16, jackscrews 8 are respectively installed in the threaded holes 7 in a matching manner, the bottoms of the jackscrews 8 are mutually matched with the grooves 6, a hexagonal groove 11 is formed at one end, far away from the threaded sleeve 13, of the rotating shaft 10, two sets of universal joint 16's top has all handed over connecting rod 17, and two sets of install horizontal pole 18 between the connecting rod 17, and the top of two sets of connecting rods 17 is articulated with the both ends of horizontal pole 18 respectively, the top fixedly connected with handle 19 of horizontal pole 18, just handle 19 is the T font.

The working principle is as follows: in order to improve the passing capacity, the device can flexibly adjust the width, and the specific adjusting process is that an inner hexagonal wrench or an electric tool is used for driving a rotating shaft 10 to rotate through a hexagonal groove 11, the rotating shaft 10 is supported through a bearing 9, so as to ensure the flexible rotation of the rotating shaft 10, the rotating shaft 10 is screwed in relative to the threaded sleeve 13 through the external thread 12 (the rotating shaft 10 is screwed out when being reversely rotated), thereby the second front supporting plate 3 and the first front supporting plate 1 are drawn close to each other, at the same time, the first back supporting plate 2 and the second back supporting plate 4 are driven by the front supporting plates to synchronously close to each other, and the structure is kept stable by the sliding sleeve connection of the inner shaft 14 and the sleeve 15, the width of the device can be narrowed through the operation, so that the device can pass through narrow areas, or the space occupation is reduced when the goods are stored, and when the consignment is wider, the width of the device can be adjusted by reversely rotating the rotating shaft 10; the device can unscrew the jackscrew 8 through the inner hexagonal socket or the electric tool, so that two groups of rear supporting plates can be pulled out in the direction away from the front supporting plate, the length of the device is further lengthened (the jackscrew 8 is screwed again), and the device can load more goods by matching with the width adjusting function of the device;

the handle 19 of the device is connected with the front supporting plate through the universal joint 16, so that the handle 19 can flexibly adjust the operation angle and can be completely laid down and folded to reduce the occupied space, and universal wheels are arranged at the bottoms of the front end and the rear end of the device, so that the device can flexibly turn and can push towards any direction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A foldable transportation trolley comprises a first front supporting plate (1) and is characterized in that a second front supporting plate (3) is installed on one side of the first front supporting plate (1) in a matched mode, sliding grooves (5) are formed in one ends of the first front supporting plate (1) and the second front supporting plate (3) along the length direction of the first front supporting plate, a first rear supporting plate (2) and a second rear supporting plate (4) are respectively sleeved in the first front supporting plate (1) and the second front supporting plate (3) in a sliding mode, threaded sleeves (13) and sleeves (15) are respectively fixedly sleeved at two ends, far away from each other, of the first front supporting plate (1) and the first rear supporting plate (2) along the width direction of the first front supporting plate, bearings (9) are fixedly sleeved at the positions, located on the threaded sleeves (13), of the second front supporting plate (3) along the width direction of the second front supporting plate, rotating shafts (10) are installed in the bearings (9), one ends, close to the threaded sleeves (13), of the rotating shafts penetrate through the second front, and the one end of pivot (10) keeping away from second front fascia (3) has seted up external screw thread (12), pivot (10) and threaded sleeve (13) threaded connection, and second rear fascia (4) are located sleeve pipe (15) and have fixed hub connection along its width direction and have been said (14), just interior hub connection (14) run through in second rear fascia (4), interior hub connection (14) are sliding sleeve with sleeve pipe (15), universal joint (16) are all installed at the one end top that first front fascia (1) and second front fascia (3) are located to keep away from sleeve pipe (15).

2. A foldable transport trolley according to claim 1, characterized in that the top ends of the first (2) and second (4) rear pallets are provided with grooves (6) in the sliding grooves (5), and the grooves (6) are evenly distributed along the length of the first (2) and second (4) rear pallets.

3. The foldable transportation trolley according to claim 2, wherein the top of the end of the first front supporting plate (1) and the top of the end of the second front supporting plate (3) far away from the universal joint (16) are both provided with a threaded hole (7), and the threaded holes (7) are both internally provided with a top thread (8) in a matching way, and the bottom end of the top thread (8) is matched with the groove (6).

4. A foldable transport trolley according to claim 1, characterized in that the end of the spindle (10) remote from the threaded bushing (13) is provided with a hexagonal recess (11).

5. A foldable transportation trolley according to claim 1, characterized in that the top ends of the two sets of universal joints (16) are connected with connecting rods (17), and a cross bar (18) is installed between the two sets of connecting rods (17), and the top ends of the two sets of connecting rods (17) are hinged with the two ends of the cross bar (18).

6. A foldable transport trolley according to claim 5, characterized in that a handle (19) is fixedly attached to the top end of the cross bar (18), and that the handle (19) is T-shaped.