CN216734340U

CN216734340U - Hand cart

Info

Publication number: CN216734340U
Application number: CN202220375320.5U
Authority: CN
Inventors: 万江
Original assignee: China 19th Metallurgical Corp
Current assignee: China 19th Metallurgical Corp
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-14
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to a cart, and belongs to the field of building construction equipment. The cart comprises a base and a cart body connected with the top of the base, wherein a containing space with an opening at the top is arranged in the cart body, wheels are arranged at the bottom of the base, a supporting plate used for placing materials is arranged in the containing space, the supporting plate is connected with the cart body in a sliding mode in the vertical direction, a first elastic piece is further arranged on the base, the top of the first elastic piece is abutted to the supporting plate, a shock pad is further arranged on the base and located below the supporting plate, and the top of the shock pad is located between the top of the first elastic piece and the bottom of the shock pad. After the device is provided with the shock pad, under the condition of larger acting force, the shock pad can bear the acting force applied by materials to the supporting plate, namely: the force of the supporting plate on the first elastic piece can be reduced, and therefore the risk of damage of the first elastic piece can be reduced by arranging the shock absorption pad.

Description

Hand cart

Technical Field

The utility model relates to a cart, and belongs to the field of building construction equipment.

Background

Steel structures are structures composed of steel materials and are one of the main building structure types. In the current house building construction process, the steel structure is generally carried in a manual trolley mode, the trolley is easy to jolt in a rugged construction area, great trouble is brought to workers in the carrying process, and the steel structure can be overturned and damaged; therefore handcart manufacturing company has improved this handcart, and it includes the base and the carriage of being connected with the base top, is equipped with open-top's accommodation space in the carriage, and the bottom of base is provided with the wheel, sets up the spring between base and wheel, so can strengthen the shock attenuation effect, reduces the risk that the steel construction topples, damages.

However, when the trolley is loaded with a large amount of material, or is moved over a bumpy road surface, the carriage and base of the trolley exert a large force on the spring which may damage the spring, i.e.: the spring is permanently deformed and cannot be reset; on the other hand, because the spring of the trolley is arranged between the base and the wheels, the spring is subjected to the gravity of the trolley and the gravity of the base and the carriage, so that the trolley is stressed greatly and the spring for damping is easy to damage.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a shock attenuation is effectual, and can reduce the shallow of the risk of first elastic component damage.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the cart comprises a base and a carriage connected with the top of the base, wheels are arranged at the bottom of the base, a supporting plate used for placing materials is arranged in the carriage, a guide mechanism used for enabling the supporting plate to slide along the vertical direction is arranged between the supporting plate and the carriage, a first elastic piece is further arranged on the base, the top of the first elastic piece is abutted to the supporting plate, a shock pad is further arranged on the base and located below the supporting plate, and the top of the shock pad is located between the top of the first elastic piece and the bottom of the shock pad.

Further, an air cylinder is further arranged on the base, a piston rod of the air cylinder is arranged towards the supporting plate, the first elastic piece is sleeved on the piston rod, at least one of the top of the first elastic piece and the top of the piston rod is abutted against the supporting plate, and the bottom of the first elastic piece is abutted against the top of a cylinder body of the air cylinder;

the shock pad is an inflatable device which can expand and contract, a cavity is arranged in the inflatable device, and the cavity is communicated with the rodless cavity of the inflator through a pipeline.

Further, the inflation device is any one of an air cushion, an air bag and a balloon.

Further, the first elastic member is a spring.

Furthermore, the opening of the carriage is positioned at the top of the carriage, and the push rod is arranged on any one side plate of the carriage; the base is also provided with a guide rod extending along a first direction, the guide rod is connected with a first sliding block and a second sliding block in a sliding manner, a second elastic piece is arranged between the first sliding block and the second sliding block and sleeved on the guide rod, and two ends of the second elastic piece are respectively connected with the first sliding block and the second sliding block; the two ends of the first rotating strip are hinged with the bottom of the base and the first sliding block respectively, and the two ends of the second rotating strip are hinged with the bottom of the base and the second sliding block respectively;

wherein, the first direction is the direction that the lateral plate that the carriage was equipped with the push rod points to rather than relative lateral plate.

Furthermore, the second elastic part is a spring, and two ends of the guide rod are both provided with limit blocks which are connected with the base.

Furthermore, the guide mechanism comprises a guide groove arranged on the inner wall of the carriage and a guide block arranged on the supporting plate, the guide groove is arranged along the vertical direction, and the guide block is connected with the guide groove in a sliding manner.

Further, the opening in carriage is located the top in carriage, and the carriage includes fixed part and door, and the fixed part forms the carriage with the door around, and the door rotates with the base to be connected or rotates with the fixed part to be connected, and when the door was closed, the door passed through the bolt and is connected with the fixed part.

Furthermore, a stop block is convexly arranged on the inner side of at least one side plate of the two adjacent side plates of the vehicle door, the stop block faces the inner side of the vehicle door and is used for limiting the vehicle door when the vehicle door is closed, and therefore the plug of the plug pin corresponds to the socket of the plug pin.

Furthermore, the opening of the carriage is positioned at the top of the carriage, and a rope buckle is arranged on any one side plate of the carriage and the side plate opposite to the side plate.

The utility model has the beneficial effects that:

the device is provided with the first elastic piece and the shock pad for secondary shock absorption, and the shock absorption effect is good; if the shock absorption pad is not arranged, when the material loaded in the cart is more or the cart moves on a bumpy road surface, the supporting plate can apply a larger acting force to the first elastic part, and the acting force can cause damage to the first elastic part; after being provided with the shock pad, under the great condition of effort, the shock pad can bear the effort that the material applyed to the layer board, promptly: the force of the supporting plate on the first elastic piece can be reduced, and therefore the risk of damage to the first elastic piece can be reduced by arranging the shock absorption pad.

Drawings

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

FIG. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention.

Labeled as: 1 is a base, 2 is a vehicle compartment, 22 is a door, 24 is a fixed portion, 26 is a stopper, 3 is a wheel, 4 is a pallet, 42 is a guide block, 5 is a push rod, 6 is a cord fastener, 72 is an air cylinder, 74 is a first elastic member, 76 is an inflator, 81 is a first turn bar, 82 is a guide bar, 83 is a second turn bar, 84 is a first slider, 85 is a stopper, 86 is a second slider, and 88 is a second elastic member.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the cart of the present invention includes a base 1 and a carriage 2 connected to a top of the base 1, wherein wheels 3 are disposed at a bottom of the base 1, a pallet 4 for placing a material is disposed in the carriage, a guide mechanism for sliding the pallet 4 in a vertical direction is disposed between the pallet 4 and the carriage 2, a first elastic member 74 is further disposed on the base 1, a top of the first elastic member 74 abuts against the pallet 4, a shock pad is further disposed on the base 1, the shock pad is located below the pallet 4, and a top of the shock pad is located between a top and a bottom of the first elastic member 74.

Specifically, the shock pad of the scheme can be a solid rubber pad, an air cushion and the like; if the top of the shock pad is lower than the bottom of the first elastic piece 74, the first elastic piece 74 is compressed to the limit and cannot contact the shock pad, so that the shock pad cannot achieve the shock absorption effect and the risk of damage to the first elastic piece 74 cannot be reduced; in addition, the application does not limit the number of the first elastic members 74, such as: the number of the first elastic members 74 is 4, and the first elastic members are disposed at four corners of the support plate 4.

The device is provided with the first elastic piece 74 and the shock pad for secondary shock absorption, and the shock absorption effect is good; if no shock pad is provided, when the cart is loaded with a large amount of material or moves on a bumpy road, the supporting plate 4 applies a large force to the first elastic member 74, which may cause damage to the first elastic member; after being provided with the shock pad, under the great condition of effort, the shock pad can bear the effort that the material applyed 4 to layer board, promptly: the force of the pallet 4 on the first elastic member 74 can be reduced, and thus the provision of the shock-absorbing pad can also reduce the risk of damage to the first elastic member 74.

In addition, the first elastic element 74 of the conventional cart is disposed between the carriage 2 and the wheel 3, so that the first elastic element 74 not only needs to bear the force applied by the material, but also needs to bear the gravity of the carriage 2 and the base 1, and thus the first elastic element 74 is subjected to a large force, which easily causes the first elastic element 74 to be damaged; the first elastic member 74 of the device of the present invention only bears the gravity of the supporting plate 4 and the force applied by the material, and compared with the conventional cart, the force applied by the first elastic member 74 is greatly reduced, so that the first elastic member 74 is not easy to damage.

Preferably, the base 1 is further provided with an air cylinder 72, a piston rod of the air cylinder 72 is arranged towards the supporting plate 4, the first elastic element 74 is sleeved on the piston rod, at least one of the top of the first elastic element 74 and the top of the piston rod abuts against the supporting plate 4, and the bottom of the first elastic element 74 abuts against the top of the cylinder body of the air cylinder 72;

the shock pad is an inflatable and contractible inflator 76, and a cavity is arranged in the inflator 76 and is communicated with the rodless cavity of the air cylinder 72 through a pipeline.

Specifically, the top of the cushion is located between the top of the first elastic member 74 and the bottom of the support plate 4 in this embodiment, which may cause the inflator 76 to be damaged.

When the trolley meets a bumpy road surface, the supporting plate 4 in the trolley swings up and down, the first elastic piece 74 can effectively reduce the amplitude of the vertical swing of the supporting plate 4 in the process that the supporting plate 4 moves up and down, materials drive the supporting plate 4 to move downwards, so that a piston rod of the air cylinder 72 is driven to move towards a rodless cavity, air is pumped into the air bag through the air pipe, and the expanded air bag can provide an effective support for the damping supporting plate 4 to reduce the amplitude of the vertical swing of the materials on the upper side of the supporting plate 4, so that the risk of collision among the materials can be reduced, the risk of material damage can be reduced, and the risk of damage of the first elastic piece 74 can be reduced.

Preferably, the inflator 76 is any one of an air cushion, an air bag, and a balloon.

Preferably, the first elastic member 74 is a spring.

Specifically, the first elastic member 74 may use rubber that is easily deformable, in addition to the spring; the first elastic member 74 may be selected from a coil spring, a tower spring, and the like.

Preferably, the opening of the carriage 2 is positioned at the top of the carriage 2, and the push rod 5 is arranged on any one side plate of the carriage 2; the base 1 is further provided with a guide rod 82 extending along a first direction, the guide rod 82 is connected with a first slide block 84 and a second slide block 86 in a sliding manner, a second elastic piece 88 is further arranged between the first slide block 84 and the second slide block 86, the second elastic piece 88 is sleeved on the guide rod 82, and two ends of the second elastic piece 88 are respectively connected with the first slide block 84 and the second slide block 86; the base further comprises a first rotating strip 81 and a second rotating strip 83, two ends of the first rotating strip 81 are hinged to the bottom of the base 1 and hinged to the first sliding block 84 respectively, and two ends of the second rotating strip 83 are hinged to the bottom of the base 1 and hinged to the second sliding block 86 respectively;

wherein, the first direction is the direction of the side plate of the carriage 2 provided with the push rod 5 pointing to the side plate opposite to the side plate.

Specifically, the first direction is the advancing direction of the cart, the cart can move forwards and backwards in the advancing process of the cart, when materials in the cart shake forwards and backwards, the second elastic piece 88 positioned between the first sliding block 84 and the second sliding block 86 can effectively slow down the movement trend in the direction, meanwhile, due to the arrangement of the first rotating strip 81 and the second rotating strip 83, the second elastic piece 88 can also provide support for the pallet 4 in the vertical direction, and the shock absorption structure of the cart provides beneficial guarantee for stable carrying of the materials.

Preferably, the second elastic member 88 is a spring, the two ends of the guide rod 82 are both provided with a limit block 85, and the limit block 85 is connected with the base 1.

Specifically, the limiting block 85 is provided to prevent the first slider 84 and the second slider 86 from sliding out of the guide rod 82.

In addition, the scheme is as follows: the second elastic member 88 is a spring and can be used alone, and the scheme is as follows: both ends of the guide rod 82 are also provided with limiting blocks 85, and the limiting blocks 85 are connected with the base 1 and can be used independently. When the second elastic member 88 is used as a compression spring, two ends of the second elastic member 88 are respectively abutted to the first slider 84 and the second slider 86, but when the second elastic member 88 is used as an extension spring, two ends of the second elastic member 88 are respectively fixedly connected to the first slider 84 and the second slider 86.

Preferably, the guide mechanism comprises a guide groove arranged on the inner wall of the carriage 2 and a guide block 42 arranged on the supporting plate 4, the guide groove is opened along the vertical direction, and the guide block 42 is connected with the guide groove in a sliding manner.

Specifically, besides, a guide block 42 may be disposed on the inner wall of the car 2, and a guide groove adapted to the guide block 42 may be disposed on the pallet 4.

Preferably, the opening of the vehicle compartment 2 is located at the top of the vehicle compartment 2, the vehicle compartment 2 comprises a fixing part 24 and a door 22, the fixing part 24 and the door 22 surround to form the vehicle compartment 2, and the door 22 is rotatably connected with the base 1 or the fixing part 24; when the door 22 is closed, the door 22 is connected to the fixing portion 24 by a plug.

In particular, the door 22 is provided to facilitate loading and unloading of materials.

Preferably, a stop 26 is further protruded from an inner side of at least one of two side plates of the compartment 2 adjacent to the door 22, and the stop 26 is disposed toward the inner side of the door 22, and the stop 26 is used for limiting the door 22 when the door is closed, so that a plug of the plug corresponds to a position of a socket of the plug.

Preferably, the opening of the compartment 2 is located at the top of the compartment 2, and a rope buckle 6 is arranged on any one side plate of the compartment 2 and the side plate opposite to the side plate.

Specifically, when the material exceeds the carriage 2, the material is in risk of falling off during the conveying process; the rope buckle 6 is arranged to facilitate rope binding, and after the rope is used for fixing materials, the risk that the materials fall down can be reduced, so that the stability of the cart is improved.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the utility model. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the utility model should be determined from the following claims. In addition, all technical schemes of the utility model can be combined. The word "comprising" does not exclude the presence of other devices or steps than those listed in a claim or the specification; the terms "first," "second," and the like are used merely to denote names, and do not denote any particular order. In this context, "parallel," "perpendicular," and the like are not strictly mathematical and/or geometric limitations, but also encompass tolerances as would be understood by one skilled in the art and permitted by fabrication or use.

Claims

1. Shallow, including base (1) and with carriage (2) that base (1) top is connected, the bottom of base (1) is provided with wheel (3), its characterized in that: the material loading and unloading device is characterized in that a supporting plate (4) used for placing materials is arranged in the carriage (2), a guide mechanism used for enabling the supporting plate (4) to slide along the vertical direction is arranged between the supporting plate (4) and the carriage (2), a first elastic piece (74) is further arranged on the base (1), the top of the first elastic piece (74) is abutted to the supporting plate (4), a shock pad is further arranged on the base (1), the shock pad is located below the supporting plate (4), and the top of the shock pad is located between the top and the bottom of the first elastic piece (74).

2. The cart of claim 1, wherein: the base (1) is further provided with an air cylinder (72), a piston rod of the air cylinder (72) is arranged towards the supporting plate (4), the first elastic piece (74) is sleeved on the piston rod, at least one of the top of the first elastic piece (74) and the top of the piston rod is abutted against the supporting plate (4), and the bottom of the first elastic piece (74) is abutted against the top of a cylinder body of the air cylinder (72);

the shock pad is an inflatable inflation device (76), a cavity is arranged in the inflation device (76), and the cavity is communicated with a rodless cavity of the inflator (72) through a pipeline.

3. The cart of claim 2, wherein: the inflating device (76) is any one of an air cushion, an air bag and a balloon.

4. The cart of claim 1, wherein: the first elastic member (74) is a spring.

5. The cart of claim 1, wherein: the opening of the carriage (2) is positioned at the top of the carriage (2), and the push rod (5) is arranged on any one side plate of the carriage (2); the base (1) is further provided with a guide rod (82) extending along a first direction, the guide rod (82) is connected with a first sliding block (84) and a second sliding block (86) in a sliding mode, a second elastic piece (88) is further arranged between the first sliding block (84) and the second sliding block (86), the second elastic piece (88) is sleeved on the guide rod (82), and two ends of the second elastic piece (88) are respectively connected with the first sliding block (84) and the second sliding block (86); the device is characterized by further comprising a first rotating strip (81) and a second rotating strip (83), wherein two ends of the first rotating strip (81) are hinged to the bottom of the base (1) and hinged to the first sliding block (84) respectively, and two ends of the second rotating strip (83) are hinged to the bottom of the base (1) and hinged to the second sliding block (86) respectively;

the first direction is the direction of a side plate of the carriage (2) provided with a push rod (5) pointing to the side plate opposite to the side plate.

6. The cart of claim 5, wherein: the second elastic piece (88) is a spring, two ends of the guide rod (82) are both provided with limit blocks (85), and the limit blocks (85) are connected with the base (1).

7. The cart of claim 1, wherein: the guide mechanism comprises a guide groove arranged on the inner wall of the carriage (2) and a guide block (42) arranged on the supporting plate (4), the guide groove is formed in the vertical direction, and the guide block (42) is connected with the guide groove in a sliding mode.

8. The cart according to any of claims 1 to 4, wherein: the opening of the carriage (2) is positioned at the top of the carriage (2), the carriage (2) comprises a fixing part (24) and a vehicle door (22), the fixing part (24) and the vehicle door (22) surround to form the carriage (2), and the vehicle door (22) is rotatably connected with the base (1) or the fixing part (24); when the door (22) is closed, the door (22) is connected with the fixing part (24) through a bolt.

9. The cart of claim 8, wherein: the inner side of at least one side plate of two adjacent side plates of the car (2) and the car door (22) is further convexly provided with a stop block (26), the stop block (26) faces the inner side of the car door (22), and the stop block (26) is used for limiting the car door (22) when the car door is closed, so that the plug of the plug pin corresponds to the socket of the plug pin.

10. The cart of claim 1, wherein: the opening of carriage (2) is located the top of carriage (2), all be provided with cable loop (6) on arbitrary curb plate of carriage (2) and the curb plate rather than opposite.