CN201080196Y - Hand cart - Google Patents

Abstract

A cart is provided with a rotatable push rod between a first support rod and a second support rod, and a set of brake components connected to the push rod. The push rod is pressed to release the brake components from a wheel disposed under a vehicle plate, and the cart can be pushed to move; conversely, the push rod is released to stop the wheel, and the cart stops moving, thereby achieving the effect of controlling the movement of the cart. At the same time, when the cart is not needed, the push rod and the vehicle plate can be folded into a flat plate and stored, which reduces the storage space and is very convenient.

Description

cart

technical field

The utility model relates to a cart, especially a cart with a braking function.

Background technique

Please refer to FIG. 9 , which is a three-dimensional diagram of a conventional cart. The traditional cart 90 is a tool commonly used in many industries in life. Cart 90 has push rod 91, car plate 92, wheel 93 and support bar 94, and wheel 93 is arranged on the below of car plate 92, and support bar 94 is then arranged on the two ends of one side above car plate 92, and on support bar 94 There is a push rod 91 and an auxiliary rod between them. When the user uses the cart 90 to transport the articles, the articles are stacked on the car plate 92 of the cart 90, and then the push rod 91 is pushed to transport the articles to the destination and then the articles are taken off. However, the user cannot fix the cart 90 in the process of transporting the article to the cart plate 92, especially on uneven road sections, and must hold the push rod 91 tightly with one hand to keep the cart 90 in place, and move the cart 90 with the other hand. item, very inconvenient. Or, when the user moves the articles in the uneven place, the hand leaves the push rod 91 and puts the trolley 90 on hold to carry the articles, which will cause the cart 90 to slide to a lower place, which also brings inconvenience to the user. If there are multiple destinations for transportation, it is often necessary to carefully park the cart 90 in a stable and reliable place for unloading during a short period of time, so as to prevent the cart 90 from sliding away.

In addition, after using the cart 90, the user often needs to store the cart 90 in order to save space. In view of this, there is an urgent need for a cart with a braking function and a bendable storage function to solve the current problem. Inconvenience in the use of cart 90.

Utility model content

The purpose of this utility model is to provide a kind of cart, which is convenient to control the cart to stop or move. When in use, press the first push rod to release the brake assembly, so that the cart can be moved freely; When the first push rod is opened, the brake assembly is brought into contact with the wheel, and the cart stops sliding after the brake assembly stops moving, and it is convenient to store after use.

The stroller for achieving the above-mentioned purpose includes: a car board for carrying an object; a plurality of wheel assemblies arranged under the car board and having a plurality of wheels; a first and second support rods, which are hollow and set At both ends of the vehicle plate; a first push rod, arranged between the first and second support rods; and a first brake assembly, with at least one first wire and a first spring, the first wire has A first end and a second end, the first end is arranged on the first push rod, and the second end is connected to a first brake pad, the first wire is located in the hollow first support rod, the first A spring is arranged between the brake pad and the wheel assembly, so the effect of advancing or stopping can be achieved.

Preferably, the second brake assembly has at least one second wire and a second spring, the second wire has a third end and a fourth end, the third end is arranged on the first push rod, and The fourth end is connected with a second brake pad, the second wire is located in the hollow second support rod, and the second spring is arranged between the second brake pad and the wheel assembly.

Preferably, the trolley includes a pivoting element, the pivoting element is pivotally connected to the first push rod, and the first wire is connected to the pivoting element. The pivoting element is an eccentric sleeve, which is pivotally connected to the first push rod, and a groove is provided on the eccentric position of the eccentric sleeve to pivotally connect the first wire.

Preferably, the first brake component further includes a connection component for connecting the first wire and the brake pad.

Preferably, the wheel assembly includes a wheel seat, and the first spring is arranged between the brake pad and the wheel seat of the wheel assembly.

Preferably, the brake pad is arranged on the wheel seat of the wheel assembly.

Preferably, the stroller further includes a second push rod disposed between the first and second support rods.

Preferably, at least one bearing is arranged between the wheel assembly and the vehicle board.

Preferably, the vehicle panel further comprises a first part and a second part, and the first part and the second part are pivotally connected by a pivot component. Wherein the pivoting component is a hinge.

Preferably, the stroller further includes a pedal assembly disposed on the first part, and the pedal assembly includes: a positioning element disposed under the vehicle board; a control element disposed on the vehicle board and a positioning pin connected to the control element, the positioning pin is controlled by the control element to be positioned at the position of the positioning element, so that the first part and the second part of the vehicle plate can be bent through the pivot assembly fold.

Preferably, the positioning element is arranged on the second part and extends below the first part, and the positioning element has a hole for sheathing the positioning pin.

Preferably, the pedal assembly is further provided with a pedal frame, and the control element further includes: a pedal, one end of which is pivotally connected to the pedal frame; and a third wire, the third wire has a first end and a second end , the first end is connected with the pedal, and the second end is connected with the positioning pin. Preferably, the trolley further comprises: a first pole disposed under the first part, the first pole has a hole for sheathing the positioning pin; and a second pole, Located under the first part, the second pole has a hole for sheathing the positioning pin.

Preferably, the positioning pin is further provided with a fourth spring, and is arranged between the first support rod and the second support rod.

Preferably, the pedal assembly further includes a pulley for diverting the third wire arrangement.

In this way, the utility model provides that when the user is using the cart, he can brake the cart to stop and apply force to the first push rod to move the cart without applying force to the first push rod. And after use, the cart can be simply stored. The aforementioned purposes or features of the utility model will be described in detail according to the accompanying drawings, but it must be understood that the following drawings and examples are only It is for illustration rather than limitation or narrowing of the present utility model.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the pushcart of the present invention.

FIG. 2 is a schematic diagram of the section line A-A in FIG. 1 .

FIG. 3 is a schematic diagram of pressing action along the line A-A in FIG. 1 .

Fig. 4 is a schematic side view of the utility model cart.

Fig. 5 is a schematic side view of the bending action of the pushcart of the present invention.

FIG. 6 is a schematic diagram of the section line B-B in FIG. 1 .

Fig. 7 is a schematic diagram of the pedal assembly of the pushcart of the present invention.

Fig. 8 is a schematic diagram of the actuation of the pedal assembly of the pushcart of the present invention.

Fig. 9 is a three-dimensional schematic diagram of a conventional cart.

In the picture: 1---cart

10--car board

11--Part Two

12--Part 1

13--pivot assembly

20--push rod assembly

21--The first support rod

22--Second support rod

23--first putter

24--Second putter

25--Auxiliary rod

30--Wheel assembly

31-- wheel seat

32--wheel

40--The first brake assembly

41--The first wire

42--first spring

43--The first brake pad

44--connection components

45--the third spring

50--pivot element

51--eccentric sleeve

52--groove

60--Bearing

70--pedal assembly

71--Pedal frame

72--pedal

73--The third wire

74--the first pole

75--Second pole

76--the fourth spring

77--Pulley

78--locating pin

79--locking element

80--positioning element

81--hole

82--hole

83--hole

90--Xizhi cart

91--putter

92--vehicle board

93--wheel

94--support rod

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

Please refer to FIG. 1 to FIG. 9 showing the pushcart of the present utility model. The pushcart 1 of the present utility model includes a vehicle board 10 , a push rod assembly 20 , a plurality of wheel assemblies 30 , a brake assembly 40 and a pedal assembly 70 . The vehicle panel 10 includes a first part 12 , a second part 11 and a pivoting component 13 , and the pivoting component 13 is pivotally connected to the first part 12 and the second part 11 . The wheel assembly 30 is disposed under the vehicle panel 10 . Preferably, in this embodiment, four wheel assemblies 30 are respectively disposed in the four corners of the rectangular vehicle panel 10 . The push rod assembly 20 is arranged on both ends of the first part 12 of the cart 10, and the pedal assembly 70 is arranged at the lower position of the first part 12 of the cart 10 for controlling the push cart 1. Storage. The brake assembly 40 is located between the vehicle board 10 and the wheel assembly 30, and the brake assembly 40 is operated by the push rod assembly 20 to control the movement or stop of the cart 1. In the back, further The detailed structure of the pushcart 1 of the present invention will be described in detail.

The pivoting component 13 is preferably a hinge or a pivoting shaft or an equivalent component, which is rotatably pivotally connected to the first part 12 and the second part 11 of the vehicle panel 10 respectively.

Each of the wheel assemblies 30 includes a wheel seat 31 and a wheel 32, which are respectively arranged under the vehicle plate, wherein a bearing 60 is included between the first part 12 of the vehicle plate 10 and the wheel assembly 30, so that When the car 1 is in use, the direction of travel can be freely manipulated. The push rod assembly 20 includes a first support rod 21 and a second support rod 22, which are hollow rod bodies and are respectively fixed on both ends of the first part 12 of the vehicle panel 10. The first support rod 21 and the second support rod 22 are provided with an auxiliary rod 25 , a first push rod 23 and a second push rod 24 , both ends of which are connected to the first support rod 21 and the second support rod 22 respectively.

Please refer to the schematic cross-sectional view of A-A of FIG. 1 shown in FIG. Two wire rods, a second spring and a second brake pad (the second brake assembly has the same structure as the first brake assembly, not shown in the figure). The first wire 41 and the second wire are respectively arranged in the hollow body of the first support rod 21 and the second support rod 22, the first wire 41 is connected to one end side of the first push rod 23, the The second wire is connected to the other end of the first push rod 23 . The other end of the first wire 41 is connected with a first brake pad 43 for driving the first brake pad 43 to move, and the other end of the second wire is connected with a second brake pad for driving the first brake pad 43. Two brake pad action. The first brake pad 43 is movably arranged on the wheel base 31 and can contact or separate from the wheel 32 . The second brake pad is movably arranged on the corresponding wheel seat and can be in contact with or separated from the corresponding wheel, that is, the structural relationship between the second brake assembly and the support rod, wheel seat, etc. is the same as that of the first brake assembly and the support. The structural relationship between the rod and the wheel seat is the same or similar, so the structural relationship of the second brake assembly will not be repeated here. Preferably, the utility model needs two sets of brake components, but under the design of equivalent structure, the utility model can also adopt a set of brake components to protect the spirit of the utility model. Therefore, when the first wire 41 pulls the first brake pad 43 to leave the wheel 32 , the wheel 32 can slide. Since a first spring 42 is provided between the first brake pad 43 and the wheel base 31 , it serves as an elastic stretching or restoring effect between the first brake pad 43 and the wheel base 31 . When the user releases the first push rod 23, the first spring 42 provides a restoring force to make the first brake pad 43 contact the wheel 32, and the cart 1 stops at this moment. Conversely, when the user presses the first push rod 23 , the first spring 42 is compressed by the first brake pad 43 and moves away from the wheel 32 , and the stroller 1 can be pushed and moved at this time. Preferably, the first brake component 40 includes a connection component 44, the connection component 44 connects the first wire 41 and the brake pad 43, and the connection component 44 is provided with a third spring 45 to assist the first The brake pad 43 returns to the position in contact with the wheel 32 more easily. The brake pads are made of plastic.

The pivoting element 50 is used to pivotally connect the first push rod 23, and is provided with a groove 52 on the eccentric position for connecting the first wire 41, allowing the user to press the first push rod 23 to drive the pivot. The rotating element 50 rotates, and further drives the first wire 41 to control the action of the first brake pad 43 . Preferably, the pivoting element 50 can be an eccentric sleeve 51, the eccentric sleeve 51 is pivoted to the first push rod 23, and the eccentric position of the eccentric sleeve 51 is provided with the groove 52, so that the first push rod 23 can be pivotally connected. Wire 41.

Please refer to FIG. 3 , which is a schematic diagram showing the pressing action on the line A-A of FIG. 1. When the user presses the first push rod 23, the user can hold the first push rod 23 and the second push rod 24 together. , making the first push rod 23 and the second push rod 24 close to each other can save effort. Therefore, when the first push rod 23 is pressed, the eccentric sleeve 51 pivotally connected to the two ends of the first push rod 23 rotates, thereby driving the first wire 41 to be stretched upward, and the first wire 41 will pull up the connection. component 44, and then pull the first brake pad 43 away from the surface of the wheel 32, at this moment, the user can push the stroller 1 to move. When the first brake pad 43 , the first wire 41 and the connecting component 44 are stretched upward, the first spring 42 will be further compressed and the third spring 45 will be stretched, as shown in FIG. 3 . When the user wants to brake to stop the cart 1, he can release the first push rod 23, and the first spring 42 and the third spring 45 will provide a restoring force, so that the first brake pad 43 returns to the same position as the first brake pad 43. Where the wheel 32 contacts, the wheel 32 cannot rotate and stops, as shown in FIG. 2 .

Please refer to Fig. 4 and Fig. 5 at the same time, which are schematic diagrams showing the storage or unfolding action of the pushcart of the present invention. In addition to the function of braking, the pushcart 1 of the present invention also provides the function of bending, storage or unfolding. After using the cart 1, it can be stored in a rectangular storage manner. When the stroller 1 is to be stored, the user steps down the pedal assembly 70 and then pushes the push rod assembly 20 forward to bend and store it. The first part 12 and the second part 11 are bent and stored into a rectangular shape, which can save the space for placing the cart 1 . The structure and action of the pedal assembly will be described in detail in the following paragraphs.

Please refer to the B-B sectional schematic diagram of Fig. 1 shown in Fig. 6, at first, the second part 11 of this car plate 10 is provided with a positioning element 80 close to this first part 12, and this positioning element 80 has a hole 81, and this positioning element 80 extends to the bottom of the first part 12 of the vehicle panel 10, and the pedal assembly 70 has a positioning pin 78, which is located on the pedal assembly 70 of the first part 12 of the vehicle panel 10, when the positioning pin 78 sets The first part 12 and the second part 11 of the vehicle panel 10 are fixed in the hole 81 of the positioning element 80 . Conversely, when the pedal assembly 70 is stepped down, the positioning pin 78 is separated from the hole 81 of the positioning element 80, and the first part 12 and the second part 11 of the vehicle panel 10 can be bent and stored by the pivoting assembly 13 , and its storage action is shown in Figure 5 above.

Please refer to the schematic diagram of the pedal assembly of the pushcart of the present invention shown in Figure 7, the pedal assembly 70 includes a pedal frame 71, a pedal 72, a pair of third wires 73, a set of first poles 74, and a set of second poles 75. A set of second springs 76, a set of pulleys 77 and a set of positioning pins 78. One end of the pedal 72 is pivotally connected to the pedal frame 71. Preferably, the pedal frame 71 is provided with a set of sliding grooves, so that the pedal 72 can be installed in the sliding grooves to reciprocate and slide. The pedal frame 71 is provided with a pair of pulleys 77, and the two ends of the third wire 73 are respectively connected to the pedal 72 and the positioning pin 78, and the third wire 73 is attached to the pulley 77 to slide, so that the third The wire 73 can slide back and forth smoothly. Preferably, a locking element 79 is added at the connection between the third wire 73 , the pedal 72 and the positioning pin 78 to strengthen and stabilize the connection between them. And the first pole 74 and the second pole 75 are fixed below the first part 12 of the car plate 10, and are respectively provided with a hole 83 and a hole 82, so that the positioning pin 78 is positioned, and the first A fourth spring 76 is arranged between the pole 74 and the second pole 75, and one end of the fourth spring 76 is fixed on the positioning pin 78 for when the positioning pin is stressed on the first pole 74 and the positioning pin. When the second pole 75 moves, the second spring 76 provides a restoring force for the positioning pin 78 to return to its original position. And the protruding part of the positioning pin 78 enters the hole 81 of the positioning element 80 to perform positioning action. The positioning element 80 of the second part 11 of the vehicle panel 10 is positioned by the positioning pin 78, as shown in FIG. 7 .

Please refer to the action diagram of the pedal assembly of the pushcart of the present invention shown in Figure 8. After the user steps down the pedal 72 with his foot, the pedal will pull the pair of third wires 73, and the third wire 73 will move along the pulley 77. Sliding can save force, and the third wire 73 can easily pull the pair of positioning pins 78 away from the hole 81 of the positioning element 80 . And compress the fourth spring 76 sleeved on the positioning pin 78, and at this time, the user can push the push rod assembly 20, so that the first part 12 and the second part 11 of the vehicle panel 10 are bent and stored . When the originally stored cart 1 is to be used, push the push rod assembly 20 to open the cart 1 first, and step on the pedal 72 to make the positioning pin 78 slide toward the pulley 77 first. When the cart 1 is fully opened, Afterwards, the user releases the pedal 72 so that the positioning pin 78 is inserted back into the hole 81 of the positioning element 80 to complete the opening action of the stroller 1 .

Although the utility model will be fully described with reference to the accompanying drawings that contain preferred embodiments of the utility model, it should be understood that those familiar with the industry can modify the utility model described herein to achieve the utility model at the same time. effect. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the present invention. After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the protection scope and spirit of the patent claims, and the utility model does not Implementation is limited to the examples given in the specification.

Claims (27)

1. A cart comprising: a vehicle board for carrying an object; a plurality of wheel assemblies disposed under the vehicle panel and having a plurality of wheels; a first support rod and a second support rod, which are hollow and arranged at both ends of the vehicle board; a first push rod disposed between the first support rod and the second support rod; and A first brake assembly has at least one first wire and a first spring, the first wire has a first end and a second end, the first end is arranged on the first push rod, and the second The end is connected with a first brake pad, the first wire is located in the hollow first support rod, and the first spring is arranged between the brake pad and the wheel assembly. 2. The stroller according to claim 1, further comprising a second brake assembly having at least one second wire and a second spring, the second wire having a third end and a fourth end end, the third end is set on the first push rod, and the fourth end is connected to a second brake pad, the second wire is located in the hollow second support rod, the second spring is set on the second brake pad sheet and the wheel assembly. 3. The stroller as claimed in claim 1, further comprising a pivoting element pivotally connected to the first push rod and connected to the first wire. 4. The cart as claimed in claim 3, wherein said pivoting element is an eccentric sleeve, which is pivotally connected to the first push rod, and a groove is provided on the eccentric position of the eccentric sleeve to pivotally connect the first wire. 5 . The stroller as claimed in claim 1 , wherein the first brake component further comprises a connection component for connecting the first wire and the brake pad. 6. The cart as claimed in claim 1, wherein the wheel assembly includes a wheel seat, and the first spring is disposed between the brake pad and the wheel seat of the wheel assembly. 7. The stroller according to claim 6, wherein the brake pads are disposed above the wheels of the wheel assembly. 8. The stroller according to claim 1, wherein the brake pads are made of plastic material. 9. The stroller as claimed in claim 1, further comprising a second push rod disposed between the first and second support rods. 10. The stroller according to claim 1, wherein at least one bearing is disposed between the wheel assembly and the vehicle board. 11. The stroller according to claim 1, wherein the vehicle plate further comprises a first part and a second part, and the first part and the second part are pivotally connected by a pivot assembly two parts. 12. The stroller according to claim 11, wherein said pivoting member is a hinge. 13. The stroller according to claim 11, further comprising a pedal assembly disposed on the first part, the pedal assembly comprising: A positioning element is arranged under the vehicle panel; a control element located under the vehicle panel; and A positioning pin is connected with the above-mentioned control element, and the positioning pin is controlled by the control element to be positioned at the position of the positioning element, so that the first part and the second part of the vehicle panel can be bent through the pivot assembly. 14. The stroller according to claim 13, wherein the positioning element is arranged on the second part and extends below the first part, the positioning element has a hole, Used to sleeve the positioning pin. 15. The stroller of claim 13, wherein the pedal assembly is further provided with a pedal frame, and the control element further comprises: a pedal pivotally connected at one end to the pedal frame; and A third wire, the third wire has a first end and a second end, the first end is connected to the pedal, and the second end is connected to the positioning pin. 16. The cart of claim 13, further comprising: A first support rod is arranged below the first part, and the first support rod has a hole for sheathing a corresponding positioning pin; and A second support rod is arranged under the first part, and the second support rod has a hole for sheathing a corresponding positioning pin. 17. The stroller as claimed in claim 12, wherein the positioning pin is further provided with a fourth spring disposed between the first pole and the second pole. 18. The stroller of claim 13, wherein the pedal assembly further comprises a pulley for attaching the third wire. 19. A cart comprising: A vehicle board, used for carrying an object, has a first part and a second part; A pivoting component, pivotally connected to the above-mentioned first part and the above-mentioned second part; a plurality of wheel assemblies disposed below the vehicle panel and having wheels; a set of support rods, which are hollow and arranged at both ends of the first part of the deck, with a push rod between the set of support rods; and A pedal assembly is arranged on the vehicle board, and is used to operate so that the above-mentioned first part and the above-mentioned second part can be bent through the pivot assembly. 20. The stroller according to claim 19, wherein said pedal assembly is disposed on said first part, said pedal assembly comprising: A positioning element is arranged under the vehicle plate; A control element is arranged under the vehicle panel; A positioning pin is connected to the control element, and the positioning pin is controlled by the control element to be positioned at the position of the positioning element, so that the first part and the second part of the vehicle panel can be bent through the pivot assembly. 21. The stroller according to claim 20, wherein the positioning element is arranged on the second part and extends below the first part, and the positioning element has a hole for Sleeve the positioning pin. 22. The stroller of claim 20, wherein said pedal assembly is further provided with a pedal frame, and said control element further comprises: a pedal pivotally connected at one end to the pedal frame; and A wire, the wire has a first end and a second end, the first end is connected to the pedal, and the second end is connected to the corresponding positioning pin. 23. The stroller of claim 20, further comprising: A first support rod is arranged under the first part, and the first support rod has a hole for sheathing a corresponding positioning pin; and A second support rod is arranged under the first part, and the second support rod has a hole for sheathing a corresponding positioning pin. 24. The stroller as claimed in claim 20, wherein the positioning pin is further provided with a spring, and is disposed between the first support rod and the second support rod. 25. The cart of claim 22, wherein the pedal assembly further comprises a pulley for turning the wire arrangement. 26. The stroller of claim 20, wherein at least one bearing is disposed between the wheel assembly and the vehicle deck. 27. The stroller of claim 20, wherein said pivot member is a hinge.

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