CN210734178U - Multifunctional plate trailer - Google Patents

Abstract

The utility model relates to a multifunctional plate trailer, which comprises a trailer body, a front wheel and a rear wheel; the front wheels and the rear wheels are respectively arranged at the front part and the rear part of the vehicle body, and the vehicle body is provided with a widening mechanism which extends towards the two outer sides and then is positioned at the same horizontal plane with the vehicle body so as to increase the cargo loading capacity of the vehicle body. The utility model has the advantages that: the wing plate can be opened when a large amount of goods are conveyed, so that the quantity of the goods conveyed at one time is increased, and the requirement of goods conveying is met.

Description

Multifunctional plate trailer

Technical Field

The utility model relates to a wooden handcart field, concretely relates to multifunctional wooden handcart.

Background

The plate trailer is one of the tools frequently used for hauling goods, and the existing plate trailer has the following defects:

(1) the maximum cargo loading capacity cannot be adjusted, and the requirement of conveying more cargos at one time cannot be met;

(2) only the front wheel and the rear wheel are arranged, so that the goods are easy to turn over laterally in the process of transporting the goods;

(3) the function is single, and the device can only be used as a goods pulling tool.

SUMMERY OF THE UTILITY MODEL

To sum up, for overcoming the not enough of prior art, the utility model aims to solve the technical problem that a multi-functional wooden handcart is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a multifunctional plate trailer comprises a trailer body, front wheels and rear wheels; the front wheels and the rear wheels are respectively arranged at the front part and the rear part of the vehicle body, and two widening mechanisms which respectively extend towards the left side and the right side and are positioned on the same horizontal plane with the vehicle body so as to increase the cargo loading capacity of the vehicle body are arranged on the vehicle body.

The utility model has the advantages that: the wing plate can be opened when a large amount of goods are conveyed, so that the quantity of the goods conveyed at one time is increased, and the requirement of goods conveying is met.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the widening mechanism comprises a wing plate, a sliding frame and a supporting wheel; one side of the wing plate is rotatably arranged on the side part of the vehicle body through a rotating strip, so that the other side of the wing plate can be turned upwards and towards the left side or the right side of the vehicle body; the sliding frame is positioned below the vehicle body and moves to the lower part of one side of the wing plate far away from the vehicle body along with the overturning level of the wing plate towards the outer side of the vehicle body so as to support the overturned wing plate; the sliding frame is provided with a clamping strip for fixing the turned wing plate; the supporting wheels are universal wheels, are fixedly arranged at the bottom of the sliding frame through wheel carriers and move synchronously along with the sliding frame.

The beneficial effect of adopting the further technical scheme is as follows: the wing plates are turned towards the outer side of the automobile body, the supporting wheels are always located on the side of the automobile body, and the automobile body can be effectively prevented from being turned on one side.

Furthermore, the widening mechanism also comprises a first guide cylinder, a second guide cylinder, a first sliding rod, a second sliding rod and a traction steel wire; the first guide cylinder and the second guide cylinder are respectively fixed at corresponding positions of the bottom of the vehicle body; the first sliding rod is slidably arranged in the first guide cylinder, and one end of the first sliding rod extends out of the first guide cylinder and is connected with the sliding frame; the second sliding rod is slidably arranged in the second guide cylinder, and one end of the second sliding rod extends out of the second guide cylinder and is connected with the wheel carrier of the supporting wheel;

a spring is sleeved outside the second sliding rod and corresponds to the part in the second guide cylinder; one end of the traction steel wire is fixedly connected with one end, far away from the supporting wheel, of the second sliding rod, the other end of the traction steel wire penetrates through the second guide cylinder and then upwards and freely penetrates through the vehicle body and is connected with the corresponding position of the wing plate, so that when the wing plate is overturned, the second sliding rod is pulled through the traction steel wire and the spring is compressed, and the sliding frame is driven to horizontally move towards the outer side of the vehicle body;

the clamping strip is of an L-shaped long strip sheet structure, one end of the clamping strip is used for pressing down one side, away from the rotating strip, of the turned wing plate, the middle of the clamping strip is rotatably installed at the top of the sliding frame, the other end of the clamping strip extends downwards towards one side, away from the vehicle body, of the sliding frame for a preset distance in a slanting mode, a shifting sheet is arranged, the shifting sheet is pulled towards the outer side of the vehicle body and drives the clamping strip to press down one end of the wing plate to rotate downwards, and the wing plate turned over under the action of the spring and the sliding frame after moving are reset and folded into the vehicle body after one end of the wing plate is pressed downwards by the clamping strip and rotated downwards;

the top of automobile body be equipped with will draw in the automobile body the pterygoid lamina with the apron that the carriage was hidden, the one end of apron articulates the rear portion of automobile body, its other end along the top of automobile body extends forward and is equipped with the locking hole, the automobile body on correspond the position department rotatable be equipped with of locking hole with locking hole assorted latch segment, the apron lid closes on the automobile body back the latch segment wears the locking hole, and then rotates again the latch segment with the locking hole is criss-cross in order to with the apron is fixed a position on the automobile body, perhaps rotates again the latch segment with the locking hole aligns in order to with the apron is followed open on the automobile body.

The beneficial effect of adopting the further technical scheme is as follows: the sliding frame can synchronously move outwards horizontally to support the wing plate when the wing plate is turned, and the sliding frame can also be synchronously folded under the action of the spring after the wing plate is folded in the vehicle body.

Further, a long notch for the traction steel wire to pass through and slide when the wing plate is turned over or folded is formed in the side wall of the second guide cylinder;

the vehicle body is characterized in that a through hole for the traction steel wire to freely pass through is formed in the corresponding position of the vehicle body, a frame is horizontally fixed at the position, corresponding to the through hole, of the upper end face of the vehicle body, the traction steel wire upwards passes through the through hole and then passes through the frame and then is connected with the wing plate, and therefore the traction steel wire can horizontally pull the second slide bar through the resistance of the frame when the wing plate is overturned, or the second slide bar can pull the wing plate to be folded into the vehicle body through the resistance of the frame when the wing plate is folded.

The beneficial effect of adopting the further technical scheme is as follows: the wing plates and the supporting frame synchronously move correspondingly.

Furthermore, a lengthening mechanism which extends towards the rear part and is positioned on the same horizontal plane with the vehicle body to increase the cargo loading capacity of the vehicle body is arranged in the vehicle body.

The beneficial effect of adopting the further technical scheme is as follows: the loading amount of the cargoes is further enlarged by lengthening the car body.

Further, the lengthening mechanism comprises a receiving sleeve and a lengthening rod; the storage sleeve pipes are fixed on two sides of the car body respectively, the extension rods are also provided with two extension rods which are located in the corresponding storage sleeve pipes in a sliding mode, the rear ends of the extension rods extend out of the corresponding storage sleeve pipes, and the rear ends of the two extension rods are connected through handles.

The beneficial effect of adopting the further technical scheme is as follows: the car body is lengthened.

Further, a shell is arranged at the rear part of the vehicle body; the shell inner shell of the shell is rotatably provided with a rotating shaft, box bodies are fixed in the shell corresponding to two ends of the rotating shaft, and elastic sheets are arranged in the box bodies; one end of the elastic sheet is fixed at the end part connected with the rotating shaft, and the other end of the elastic sheet is wound around the end part of the rotating shaft for a plurality of circles and then is tightened in the box body; an elastic net rope is wound on the rotating shaft between the two corresponding box bodies, and an opening for pulling out the elastic net rope and binding goods on the vehicle body is formed in the shell;

the position of the rear part of the vehicle body corresponding to the opening is provided with a rope buckle for positioning the pulled elastic net rope, so that the situation that the goods cannot be bound due to the fact that the elastic net rope is too long when pulled out is avoided.

The beneficial effect of adopting the further technical scheme is as follows: the goods loaded on the vehicle body are bound and fixed.

Further, the trolley also comprises a pull rod for manually pulling the trolley body to walk; the front end of the vehicle body is rotatably provided with a connecting piece, and the connecting piece is provided with a section of traction screw; the pull rod is of a telescopic structure, one end of the pull rod is provided with an internal thread connected with the traction screw, and the other end of the pull rod is provided with a handle;

the front and the back of the bottom of the vehicle body are respectively fixed with a rope belt and a base; two ends of the rope belt are fixed at corresponding positions of the bottom of the vehicle body, and a jack is surrounded at the middle part of the rope belt and the corresponding position of the bottom of the vehicle body; a slot is arranged in the base; the pull rod passes through the jack and then is inserted into the slot to be temporarily stored.

The beneficial effect of adopting the further technical scheme is as follows: the vehicle body is manually drawn by the pull rod to walk to transport goods and the like.

Further, the device also comprises a spare wheel; the top of the wheel carrier of the spare wheel is provided with a connecting screw rod, and the bottom of the vehicle body is provided with a screw hole which is screwed into the connecting screw rod to temporarily store the spare wheel; the middle position of the front end of the scooter body is provided with a connecting hole, the connecting hole is used for connecting the internal thread of the pull rod and the connecting screw rod up and down, and the handle is rotated to drive the spare wheel to rotate so as to change the advancing direction of the scooter body, so that the scooter body can form a scooter for children.

The beneficial effect of adopting the further technical scheme is as follows: the scooter can be changed into a scooter for children.

The child safety car is characterized by further comprising a mesh bag for positioning a child on the car body, retaining rings are arranged on the front portion and the rear portion of the two sides of the car body respectively, hooks corresponding to the retaining rings are arranged at corresponding positions on the mesh bag, the mesh bag is sleeved on the back of the child sitting on the car body and is tensioned to be hooked with the retaining rings so as to limit the child to shake towards the two sides or the front and the rear.

The beneficial effect of adopting the further technical scheme is as follows: the trailer can be changed into a trailer for children.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of FIG. 2 with the tie rod attached;

FIG. 4 is a schematic top view of the extension bar of the present invention with the cover removed;

FIG. 5 is a schematic view of the FIG. 4 wing panel after inversion;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is an enlarged view A of FIG. 6;

FIG. 8 is a schematic side view of FIG. 5 from the rear to the front (with extension bars and the like removed);

FIG. 9 is an enlarged view B of FIG. 8;

fig. 10 is a schematic side view from the rear to the front of the present invention;

FIG. 11 is a schematic view of FIG. 10 with the elastic netting cord pulled out;

FIG. 12 is an internal schematic view of the housing;

FIG. 13 is an enlarged view of the interior of the cartridge;

FIG. 14 is a schematic view of the present invention used as a scooter for children;

FIG. 15 is a schematic view of the present invention used as a trailer for a child;

fig. 16 is a schematic view of the inverted wing and the displaced carriage being returned to their stowed position within the vehicle body.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the vehicle comprises a vehicle body, 2, a front wheel, 3, a rear wheel, 4, a wing plate, 5, a sliding frame, 6, a supporting wheel, 7, a rotating strip, 8, a clamping strip, 9, a first guide cylinder, 10, a second guide cylinder, 11, a first slide bar, 12, a second slide bar, 13, a traction steel wire, 14, a spring, 15, a cover plate, 16, a locking hole, 17, a locking block, 18, a strip notch, 19, a through hole, 20, a frame piece, 21, a containing sleeve, 22, an extension bar, 23, a handle, 24, a shell, 25, a rotating shaft, 26, a box body, 27, an elastic sheet, 28, an elastic net rope, 29, a rope buckle, 30, a pull rod, 31, a connecting piece, 32, a traction screw rod, 33, a handle, 34, a rope belt, 35, a base, 36, a spare wheel, 37, a connecting screw rod, 38, a screw hole, 39, a connecting hole, 40, a retaining ring, 41, a shifting piece.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, a multi-purpose scooter includes a body 1, front wheels 2, and rear wheels 3. The front wheels 2 and the rear wheels 3 are respectively installed at the front and the rear of the vehicle body 1, wherein the front wheels 2 are universal wheels so as to walk or reverse in different directions, and the rear wheels 3 are front and rear directional wheels so as to walk or reverse forward along with the front wheels 2. The vehicle body 1 is provided with two widening mechanisms which extend towards the left side and the right side respectively and are positioned on the same horizontal plane with the vehicle body 1 so as to increase the loading capacity of the vehicle body 1. As shown in fig. 4-7, the widening mechanism comprises a wing 4, a sliding carriage 5 and a support wheel 6. One side of the wing plate 4 is rotatably mounted on the side of the vehicle body 1 through a rotating strip 7, so that the other side of the wing plate 4 can be turned upwards and towards the left side or the right side of the vehicle body 1. The sliding frame 5 is located below the vehicle body 1, and moves to a position below a side of the wing plate 4 away from the vehicle body 1 along with the turning level of the wing plate 4 toward the outside of the vehicle body 1 to support the turned wing plate 4. And a clamping strip 8 for fixing the turned wing plate 4 is arranged on the sliding frame 5. The support wheel 6 is a universal wheel, is fixedly arranged at the bottom of the sliding frame 5 through a wheel carrier and moves synchronously with the sliding frame 5. The widening mechanism further comprises a first guide cylinder 9, a second guide cylinder 10, a first slide bar 11, a second slide bar 12 and a traction wire 13. The first guide cylinder 9 and the second guide cylinder 10 are respectively fixed at corresponding positions at the bottom of the vehicle body 1. The first sliding rod 11 is slidably disposed in the first guiding cylinder 9, and one end of the first sliding rod 11 extends out of the first guiding cylinder 9 and is connected with the sliding frame 5. The second slide bar 12 is slidably arranged in the second guide cylinder 10, and one end of the second slide bar 12 extends out of the second guide cylinder 10 and is connected with the wheel carrier of the support wheel 6. A spring 14 is sleeved on the portion outside the second slide bar 12 and corresponding to the inside of the second guide cylinder 10. One end of the traction steel wire 13 is fixedly connected with one end, far away from the supporting wheel 6, of the second sliding rod 12, the other end of the traction steel wire penetrates through the second guide cylinder 10 and then upwards freely penetrates through the vehicle body 1 and is connected with the corresponding position of the wing plate 4, so that when the wing plate 4 is overturned, the second sliding rod 12 is pulled through the traction steel wire 13 and the spring 14 is compressed, and then the sliding frame 5 is driven to horizontally move towards the outer side of the vehicle body 1. The side wall of the second guiding cylinder 10 is provided with a strip notch 18 through which the traction steel wire 13 passes and slides when the wing plate 4 is turned over or folded.

As shown in fig. 8 and 9, the clip strip 8 is an L-shaped long strip-shaped structure, one end of the clip strip 8 is used for pressing down the turned-over wing plate 4 on the side away from the rotating strip 7, the middle part of the clip strip is rotatably mounted at the top of the sliding frame 5, the other end of the clip strip extends downward in a slant direction towards the side of the sliding frame 5 away from the vehicle body 1 by a preset distance, a shifting piece 41 is provided, which is pulled towards the outside of the vehicle body 1 and drives the clip strip 8 to press down one end of the wing plate 4 to rotate downward, and the wing plate 4 turned over under the action of the spring 14 after the clip strip 8 presses down one end of the wing plate 4 and the sliding frame 5 after moving return to be folded into the vehicle body 1 as shown in fig. 16.

The top of the vehicle body 1 is provided with a cover plate 15 which is used for hiding the wing plate 4 and the sliding frame 5 which are folded in the vehicle body 1, one end of the cover plate 15 is hinged to the rear part of the vehicle body 1, the other end of the cover plate extends forwards along the upper part of the vehicle body 1 and is provided with a locking hole 16, a locking block 17 matched with the locking hole 16 is rotatably arranged at the position, corresponding to the locking hole 16, of the vehicle body 1, the locking block 17 penetrates through the locking hole 16 after the cover plate 15 is covered on the vehicle body 1, then the locking block 17 is rotated to be crossed with the locking hole 16 so as to position the cover plate 15 on the vehicle body 1, or the locking block 17 is rotated to be aligned with the locking hole 16 so as to open the cover plate 15 from the vehicle body 1.

A through hole 19 through which the traction steel wire 13 freely passes is formed in a corresponding position on the vehicle body 1, a frame 20 is horizontally fixed at a position, corresponding to the through hole 19, of the upper end surface of the vehicle body 1, the traction steel wire 13 upwards passes through the through hole 19 and then passes through the frame 20 to be connected with the wing plate 4, and therefore when the wing plate 4 is overturned, the traction steel wire 13 can horizontally pull the second slide bar 12 through resistance of the frame 20, or when the wing plate 4 is folded, the second slide bar 12 can pull the wing plate 4 towards the direction of the vehicle body 1 to be folded into the vehicle body 1 through resistance of the frame 20.

The automobile body 1 is internally provided with a lengthening mechanism which extends towards the rear part and then is positioned on the same horizontal plane with the automobile body 1 so as to increase the cargo loading capacity of the automobile body 1. The extension mechanism includes a receiving sleeve 21 and an extension bar 22. The two storage sleeves 21 are respectively fixed on two sides of the vehicle body 1, the two extension rods 22 are respectively slidably arranged in the corresponding storage sleeves 21, the rear ends of the extension rods extend out of the corresponding storage sleeves 21, and the rear ends of the two extension rods 22 are connected through a handle 23.

As shown in fig. 10 and 11, the vehicle body 1 is provided at a rear portion thereof with a housing 24. As shown in fig. 12, a rotating shaft 25 is rotatably disposed in the inner shell of the housing 24, a box 26 is fixed in the housing 24 corresponding to two ends of the rotating shaft 25, and a spring plate 27 is disposed in the box 26. As shown in fig. 13, one end of the elastic sheet 27 is fixed to the end connected to the rotating shaft 25, and the other end is wound around the end of the rotating shaft 25 for several turns and then tightened in the box 26. An elastic net rope 28 is wound on the rotating shaft 25 corresponding to the two box bodies 26, and an opening for pulling out the elastic net rope 28 and binding the goods on the vehicle body 1 is formed in the shell 24. A rope buckle 29 for positioning the pulled elastic net rope 28 is arranged at the position, corresponding to the opening, of the rear part of the vehicle body 1, so that the situation that the pulled elastic net rope 28 is too long to bind goods is avoided.

The plate trailer also comprises a pull rod 30 for manually pulling the vehicle body 1 to walk, a spare wheel 36 and a mesh bag 42. The front end of the vehicle body 1 is rotatably provided with a connecting piece 31, and the connecting piece 31 is provided with a section of traction screw 32. The pull rod 30 is of a telescopic structure, one end of the pull rod is provided with an internal thread connected with the traction screw 32, and the other end of the pull rod is provided with a handle 33. A rope belt 34 and a base 35 are fixed to the front and rear of the bottom of the vehicle body 1. Two ends of the rope belt 34 are fixed at corresponding positions at the bottom of the vehicle body 1, and the middle of the rope belt and the corresponding position at the bottom of the vehicle body 1 form an insertion hole. A slot is provided in the base 35. The pull rod 30 is inserted into the slot through the insertion hole to be temporarily stored. The top of the wheel frame of the spare wheel 36 is provided with a connecting screw rod 37, and the bottom of the vehicle body 1 is provided with a screw hole 38 screwed into the connecting screw rod 37 to temporarily store the spare wheel 36. A connecting hole 39 is formed in the middle of the front end of the scooter body 1, the internal thread of the pull rod 30 and the connecting screw rod 37 are connected up and down relative to the scooter body 1 through the connecting hole 39, the handle 33 is rotated to drive the spare wheel 36 to rotate so as to change the advancing direction of the scooter body 1, and then the scooter body 1 forms a scooter for children. The child is positioned on the vehicle body 1 through the mesh bag 42, the front and back of the two sides of the vehicle body 1 are respectively provided with the retaining rings 40, hooks corresponding to the retaining rings 40 are arranged at corresponding positions on the mesh bag, and the mesh bag 42 is sleeved on the rear of the child sitting on the vehicle body 1 and is tensioned to be hooked with the retaining rings 40 so as to limit the child to swing towards two sides or back and forth.

The board vehicle can be used as a stool, a small trailer for transporting a small amount of goods, a big trailer for transporting more goods, a scooter for children and a trailer for children, and is described below respectively:

(1) wooden stool

The wing plate 4, the sliding frame 5 and the vehicle body 1 are folded, and the extension bar 22 is pushed into the accommodating pipe sleeve 21; covering the cover plate 15 on the vehicle body 1, and rotating the locking block 17 to intersect with the locking hole 16, so that the cover plate 1 is fixed on the vehicle body 1; the pull rod 30 is inserted into the slot in the base 35 through the insertion hole formed by the rope belt 34 and is temporarily stored at the bottom of the vehicle body 1; finally, the connecting screw rod 37 at the top of the spare wheel 36 is screwed into the screw hole 38 at the bottom of the vehicle body 1 (the lowest point of the rear spare wheel 36 is screwed to be higher than the lowest points of the front wheel 2, the rear wheel 3 and the supporting wheel 6), and the scooter finally forms a bench with a cuboid block structure similar to the vehicle body 1, and the bench can be filled in a special waterproof bag for carrying. When people are tired, the stool can be used for people to sit down for rest, and also can be used for placing the stool at a position meeting the requirements of a train when the train does not purchase tickets to sit down and using the stool as a temporary stool.

(2) Small trailer for transporting small amount of goods

When a small amount of goods needs to be transported, the pull rod 30 is pulled out from the bottom of the vehicle body 1 and then is stretched to a proper length, and the internal thread end of the pull rod 30 is in threaded connection with a traction screw 32 on a connecting piece 31 at the front end of the vehicle body 1. Then, the goods to be transported are placed on the vehicle body 1, the elastic net rope 28 is pulled out from the shell 24 at the rear part of the vehicle body 1, and the rotating shaft 25 is driven to rotate and the elastic sheet 27 in the box body 26 is tensioned during the pulling-out process of the elastic net rope 28. The elastic net rope 28 is designed to have a certain length, when the pulled-out length of the elastic net rope 28 is enough to fix the goods on the vehicle body 1, the pulled-out elastic net rope 28 needs to be positioned, otherwise, after the hand is released, the elastic net rope 28 can be retracted into the shell 24 under the unfolding action of the elastic sheet 28, which is not beneficial to fixing the goods. The positioning of the pulled-out elastic net rope 28 is realized through a rope buckle 29, the rope buckle 29 is a contraction fastener similar to a sleeve opening of clothes and other positions, and the corresponding position of the elastic net rope 28 can be tightened and fixed at the position of the rear part of the vehicle body 1, so that the elastic net rope 28 is prevented from being retracted into the shell 24. Then, the elastic net rope 28 is covered on the goods, a hook corresponding to the buckle 40 at the side of the vehicle body 1 can be arranged on the elastic net rope 28, and the goods can be fixed on the vehicle body 1 by hooking the hook and the buckle 40. After the work is finished, the goods can be started to be uniform, the pull rod 30 is pulled manually to pull the vehicle body 1 to walk, and in the walking process, the supporting wheels 6 are arranged at the bottoms of the two sides of the vehicle body 1, so that the supporting wheels 6 have a supporting effect on the two sides of the vehicle body 1, and the goods are prevented from being scattered due to the fact that the vehicle body 1 is turned over when road conditions are not good.

After the goods are delivered to the destination, the elastic net rope 28 is released, the rope buckle 29 is loosened, the elastic net rope 28 is retracted into the shell 24 under the action of the unfolding of the elastic sheet 28, and finally the goods on the vehicle body 1 are removed.

(3) Large trailer for transporting more goods

When the number of cargos is large and the cargos cannot be loaded on the car body 1, the car body 1 needs to be widened and lengthened through the widening mechanism or/and the lengthening mechanism so as to increase the loading capacity of the cargos.

Widening the body 1: the locking block 17 is rotated to align with the locking hole 16, the cover plate 1 is rotated to expose the wing plates 4 and other parts on the vehicle body 1, then the two wings 4 are respectively grasped by two hands at the end portions close to each other and turned upwards to the outside of the vehicle body 1 towards the outside of the vehicle body 1, and at the same time of the turning process, the wing plates 4 pull the second slide bars 12 through the traction steel wires 13 to compress the springs 14 and horizontally move towards the outside of the vehicle body 1 along the second guide cylinders 10. After moving, the second sliding rod 12 drives the sliding frame 5, the clamping strip 8, the supporting wheel 6 and other components to synchronously move horizontally towards the outer side of the vehicle body 1, and the first sliding rod 11 also moves horizontally towards the outer side of the vehicle body 1 along the first guide cylinder 9. When the wing plate 4 is turned to be at the same level with the car body 1, the wing plate 4 triggers the clamping strip 8 to rotate downwards. After the wing plate 4 is released, the wing plate 4 can be pushed up by the clamping strip 8 under the action of the spring 14 (the wing plate 4 has the tendency of being folded to the vehicle body 1 to reset under the elastic force of the spring 14), and the clamping strip 8 cannot rotate continuously under the action of the side wall of the sliding frame 5, so that the wing plate 4 is clamped, and the wing plate 4 is kept at the position which is at the same level with the vehicle body 1. Finally, the vehicle body 1 can be widened by covering the cover plate 15 on the vehicle body 1. When the wing plate 4 needs to be retracted to the vehicle body 1 after use, the cover plate 15 is opened first, the shifting piece 41 is pulled in the opposite direction of the vehicle body 1, and the shifting piece 41 is pulled to drive the clamping strip 8 to press one end of the wing plate 4 to rotate downwards, so that one end of the wing plate 4 pressed by the clamping strip 8 is separated from the wing plate 4. After the clamping strip 8 is separated from the wing plate 4, the wing plate 4 and the sliding frame 5 are reset under the action of the spring 14 and are folded with the vehicle body 1.

Lengthening the vehicle body 1: the extension bar 22 is pulled out from the storage sleeve 21 toward the rear of the vehicle body 1 by the handle 23, and the vehicle body 1 can be extended. The handle 23 may be provided with a button that can be pressed to pull out or retract the extension bar 22 (similar to a luggage pull bar). After use, the button is pressed, and the extension bar 22 is pushed into the receiving sleeve 21.

When more goods are transported, the connection of the pull rod 30 and the use of the elastic net rope 28 are the same as those when a small amount of goods are transported, and the detailed description thereof is omitted.

(4) Scooter for children

As shown in fig. 14, the female screw end of the tie rod 30 is inserted downward into the connecting hole 39, the spare wheel 36 is screwed out of the screw hole 38, the connecting screw 37 of the spare wheel 36 is inserted upward into the connecting hole 39 to be screwed with the female screw end of the tie rod 30, and the lowest point of the spare wheel 36 is ensured to be higher than the lowest point of the front wheel 2 after the tie rod 30 is connected with the spare wheel 36. After the above work is completed, the child stands or sits on the vehicle body 1, holds the handle 33 of the pull rod 30 with his hand, drives the vehicle body 1 to walk by stepping on the foot, and rotates the handle 33 to control the traveling direction of the vehicle body 1 (the spare wheel 36 and the rear wheel 3 land, and the vehicle body 1 is inclined in the front-rear direction).

(5) Trailer for children

The plate trailer can be towed by the corresponding towing rope to walk besides towing the body 1 by the pulling rod 30. As shown in fig. 15, the tie rod 30 is drawn out from the bottom of the vehicle body 1 and then extended and contracted to an appropriate length, and the internally threaded end of the tie rod 30 is threadedly coupled to a draw screw 32 provided on a coupling member 31 provided at the front end of the vehicle body 1. Child sits on automobile body 1, entangles the child's that sits on automobile body 1 upper part of the body through pocket 42 to with the couple on the pocket 42 taut with buckle 40 hookup, fix child's both feet on automobile body 1 corresponding position again with reserve haulage rope is fixed at last, under the effect of pocket 42 and haulage rope, child can not rock towards both sides or front and back relatively automobile body 1, child falls from automobile body 1 when preventing that the adult from manually pulling automobile body 1 through pull rod 30 and walk.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A multifunctional plate trailer comprises a trailer body (1), front wheels (2) and rear wheels (3); the front wheels (2) and the rear wheels (3) are respectively arranged at the front part and the rear part of the vehicle body (1), and the vehicle is characterized in that two widening mechanisms which respectively extend towards the left side and the right side and are positioned at the same horizontal plane with the vehicle body (1) so as to increase the loading capacity of the vehicle body (1) are arranged on the vehicle body (1).

2. Multi-purpose pallet truck according to claim 1, characterized in that the widening means comprise a wing (4), a sliding carriage (5) and support wheels (6); one side of the wing plate (4) is rotatably mounted on the side part of the vehicle body (1) through a rotating strip (7), so that the other side of the wing plate (4) can be turned upwards and towards the left side or the right side of the vehicle body (1); the sliding frame (5) is positioned below the vehicle body (1) and moves towards the outer side of the vehicle body (1) along with the overturning level of the wing plate (4) to the position below one side of the wing plate (4) far away from the vehicle body (1) so as to support the overturned wing plate (4); a clamping strip (8) for fixing the turned wing plate (4) is arranged on the sliding frame (5); the supporting wheels (6) are universal wheels, are fixedly arranged at the bottom of the sliding frame (5) through wheel carriers and move synchronously along with the sliding frame (5).

3. The multi-function pallet truck according to claim 2, characterized in that the widening mechanism further comprises a first guide cylinder (9), a second guide cylinder (10), a first slide bar (11), a second slide bar (12) and a traction wire (13); the first guide cylinder (9) and the second guide cylinder (10) are respectively fixed at corresponding positions at the bottom of the vehicle body (1); the first sliding rod (11) is slidably arranged in the first guide cylinder (9), and one end of the first sliding rod (11) extends out of the first guide cylinder (9) to be connected with the sliding frame (5); the second sliding rod (12) is slidably arranged in the second guide cylinder (10), and one end of the second sliding rod (12) extends out of the second guide cylinder (10) and is connected with a wheel carrier of the supporting wheel (6);

a spring (14) is sleeved on the part, corresponding to the inside of the second guide cylinder (10), outside the second slide bar (12); one end of the traction steel wire (13) is fixedly connected with one end, far away from the supporting wheel (6), of the second sliding rod (12), the other end of the traction steel wire penetrates through the second guide cylinder (10) and then upwards freely penetrates through the vehicle body (1) and is connected with the corresponding position of the wing plate (4), so that when the wing plate (4) is overturned, the second sliding rod (12) is pulled through the traction steel wire (13) and the spring (14) is compressed, and the sliding frame (5) is driven to horizontally move towards the outer side of the vehicle body (1);

the clamping strip (8) is of an L-shaped long strip-shaped structure, one end of the clamping strip (8) is used for pressing down one side, away from the rotating strip (7), of the turned wing plate (4), the middle of the clamping strip is rotatably installed at the top of the sliding frame (5), the other end of the clamping strip extends downwards towards one side, away from the vehicle body (1), of the sliding frame (5) for a preset distance in an inclined mode, a shifting sheet (41) which is pulled towards the outer side of the vehicle body (1) and drives one end, away from the wing plate (4), of the clamping strip (8) to rotate downwards is arranged, the shifting sheet drives one end, away from the wing plate (4), of the clamping strip (8) to rotate downwards, and the turned wing plate (4) and the moving sliding frame (5) are reset and folded into the vehicle body (1) after one end, away from the wing plate (4) rotates downwards under the action of the;

a cover plate (15) which hides the wing plate (4) and the sliding frame (5) collected in the vehicle body (1) is arranged at the top of the vehicle body (1), one end of the cover plate (15) is hinged at the rear part of the vehicle body (1), the other end of the front wheel extends forwards along the upper part of the car body (1) and is provided with a locking hole (16), a locking block (17) matched with the locking hole (16) is rotatably arranged at the position, corresponding to the locking hole (16), on the vehicle body (1), the cover plate (15) covers the vehicle body (1), the locking block (17) penetrates through the locking hole (16), then the locking block (17) is rotated to intersect with the locking hole (16) so as to position the cover plate (15) on the vehicle body (1), or the locking block (17) is rotated to be aligned with the locking hole (16) so as to open the cover plate (15) from the vehicle body (1).

4. The multi-function scooter according to claim 3, wherein the side wall of the second guiding cylinder (10) is provided with a strip notch (18) for the traction wire (13) to pass through and slide when the wing plate (4) is overturned or folded;

a through hole (19) for the traction steel wire (13) to freely pass through is arranged at a corresponding position on the vehicle body (1), a frame piece (20) is horizontally fixed at a position, corresponding to the through hole (19), of the upper end surface of the vehicle body (1), the traction steel wire (13) upwards passes through the through hole (19) and then passes through the frame piece (20) to be connected with the wing plate (4), and then the traction steel wire (13) can horizontally pull the second slide bar (12) through the resistance of the frame piece (20) when the wing plate (4) is overturned, or the second slide bar (12) can pull the wing plate (4) to be folded into the vehicle body (1) through the resistance of the frame piece (20) when the wing plate (4) is folded.

5. The multi-purpose scooter according to claim 1, wherein the body (1) is provided with an extension mechanism which extends towards the rear and is at the same level with the body (1) to increase the loading capacity of the body (1).

6. The multi-function pallet truck of claim 5, wherein the extension mechanism comprises a receiving sleeve (21) and an extension bar (22); accomodate sleeve pipe (21) and be equipped with two, fix respectively the both sides of automobile body (1), extension bar (22) also are equipped with two, and slidable respectively is in corresponding in accomodating sleeve pipe (21), its rear end stretches out correspondingly accomodate the outside of sleeve pipe (21), and two the rear end of extension bar (22) is passed through handle (23) and is connected.

7. The multi-purpose scooter according to claim 1, wherein the rear part of the body (1) is provided with a housing (24); a rotating shaft (25) is rotatably arranged in an inner shell of the shell (24), box bodies (26) are fixed in the shell (24) corresponding to two ends of the rotating shaft (25), and elastic sheets (27) are arranged in the box bodies (26); one end of the elastic sheet (27) is fixed at the end part connected with the rotating shaft (25), and the other end of the elastic sheet is wound around the end part of the rotating shaft (25) for a plurality of circles and then is tightened in the box body (26); an elastic net rope (28) is wound on the rotating shaft (25) corresponding to the space between the two box bodies (26), and an opening for pulling out the elastic net rope (28) is formed in the shell (24);

a rope buckle (29) for positioning the pulled elastic net rope (28) is arranged at the position, corresponding to the opening, of the rear part of the vehicle body (1), so that the situation that the pulled elastic net rope (28) is too long to bind goods is avoided.

8. The multi-function board vehicle of any one of claims 1 to 7, further comprising a draw bar (30) for manually drawing the vehicle body (1) to walk; the front end of the vehicle body (1) is rotatably provided with a connecting piece (31), and a section of traction screw (32) is arranged on the connecting piece (31); the pull rod (30) is of a telescopic structure, one end of the pull rod is provided with an internal thread connected with the traction screw rod (32), and the other end of the pull rod is provided with a handle (33);

a rope belt (34) and a base (35) are respectively fixed at the front and the rear of the bottom of the vehicle body (1); two ends of the rope belt (34) are fixed at corresponding positions at the bottom of the vehicle body (1), and a jack is surrounded at the middle part of the rope belt and the corresponding position at the bottom of the vehicle body (1); a slot is arranged in the base (35); the pull rod (30) passes through the jack and then is inserted into the slot for temporary storage.

9. The multi-function board of claim 7, further comprising a spare wheel (36); the top of the wheel carrier of the spare wheel (36) is provided with a connecting screw rod (37), and the bottom of the vehicle body (1) is provided with a screw hole (38) which is screwed into the connecting screw rod (37) to temporarily store the spare wheel (36); automobile body (1) front end intermediate position is equipped with connecting hole (39), connecting hole (39) supply the internal thread of pull rod (30) with connecting screw (37) are relative automobile body (1) is connected from top to bottom, and twist grip (33) drive spare wheel (36) rotate with the change the direction of travel of automobile body (1), and then make automobile body (1) forms the scooter that child used.

10. The multi-purpose scooter according to claim 1, further comprising a mesh bag (42) for positioning a child on the body (1), wherein buckles (40) are respectively provided at the front and the back of the two sides of the body (1), hooks corresponding to the buckles (40) are provided at corresponding positions on the mesh bag (42), and the mesh bag (42) is sleeved behind the child sitting on the body (1) and is pulled tightly to be hooked with the buckles (40) so as to limit the child from shaking towards the two sides or back and forth.

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