CN218949209U

CN218949209U - Handcart with four-wheel damping mechanism

Info

Publication number: CN218949209U
Application number: CN202221468615.3U
Authority: CN
Inventors: 徐国军
Original assignee: Hebei Ruilangde Medical Device Technology Group Co ltd
Current assignee: Hebei Ruilangde Medical Device Technology Group Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-05-02
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to the technical field of trolleys, and discloses a trolley with four-wheel damping mechanisms, wherein a rear wheel frame, a handlebar upright rod and rear wheel damping mechanisms are arranged in a triangle shape, two ends of the rear wheel damping mechanisms are respectively hinged with the rear wheel frame and the handlebar upright rod, and rear wheels are arranged at the rear end of the rear wheel frame; the front end of the front wheel frame is vertically provided with a front wheel damping mechanism, and the lower end of the front wheel frame damping mechanism is provided with universal wheels serving as front wheels; the front part of the front wheel frame is provided with pedals through a pedal connecting frame, the lower end of the front part of the pedal connecting frame is inserted into the front wheel damping mechanism, the upper end of the front part of the front wheel frame is provided with an upper groove for fixing pedal connecting rods, the lower end surface of the rear part of the front wheel frame is provided with a lower groove which is used for being clamped and arranged on the front wheel frame, and the upper end of the rear part of the front wheel frame is provided with a fixing hole which is inserted into the pedal connecting rods; a backrest with adjustable height is arranged between the two handlebar uprights. According to the utility model, the four wheels are simultaneously and independently provided with the damping mechanisms, so that the comfort of the handcart in use is greatly provided.

Description

Handcart with four-wheel damping mechanism

Technical Field

The utility model relates to the technical field of trolleys, in particular to a trolley with four-wheel damping mechanisms.

Background

The old people are healthy, like to participate in some entertainment activities, release living idleness and autism, have certain deposit, have certain pursuit for life quality, can buy the commodity that oneself wants, the old people have full of enthusiasm for life simultaneously, like to make friends, exchange, also hope to obtain the attention and the attention of others. Because the environmental protection bag only satisfies the storing function, can not put into a lot of things, little folding stool can satisfy outdoor rest of taking a rest, but carry very inconvenient, the helping hand car can put the article, but inconvenient shopping, the shopping cart can only satisfy shopping, can not satisfy old man's activity demand, current handcart can solve above-mentioned problem to a certain extent, because its structural design's restriction, the comfort level can not reach old person's demand, therefore the urgent need is a little of jolting degree, use the handcart that the comfort level is high.

Disclosure of Invention

The utility model aims to provide a handcart convenient to disassemble, assemble and transport, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the trolley comprises a connecting frame, a front wheel frame arranged at the front end of the connecting frame, a rear wheel frame arranged at the rear end of the connecting frame, a handlebar vertical rod arranged at the top of the connecting frame and a folding mechanism arranged between the two connecting frames, wherein the rear wheel frame, the handlebar vertical rod and the rear wheel damping mechanism are arranged in a triangle shape, two ends of the rear wheel damping mechanism are respectively hinged with the rear wheel frame and the handlebar vertical rod, and a rear wheel is arranged at the rear end of the rear wheel frame; the front end of the front wheel frame is vertically provided with a front wheel damping mechanism, and the lower end of the front wheel damping mechanism is provided with a universal wheel serving as a front wheel; the front part of the front wheel frame is provided with pedals through a pedal connecting frame, the lower end of the front part of the pedal connecting frame is inserted into the front wheel damping mechanism, the upper end of the front part of the front wheel frame is provided with an upper groove for fixing pedal connecting rods, the lower end surface of the rear part of the front wheel frame is provided with a lower groove for being clamped and installed on the front wheel frame, and the upper end of the rear part of the rear wheel frame is provided with a fixing hole inserted into the pedal connecting rods; a backrest with adjustable height is arranged between the two handlebar uprights.

Preferably, the rear wheel is further provided with a rear wheel braking mechanism, the rear wheel braking mechanism comprises a rear wheel, the rear wheel is rotatably mounted at one end of the rear wheel frame, which is far away from the pedal connecting frame, a brake block is fixedly mounted at the outer part of the rear wheel, a brake cable is fixedly mounted at the outer part of the brake block, and a hand brake is rotatably mounted at one end of the brake cable, which is far away from the brake block.

Preferably, the hand brake is rotatably arranged at the top of the handlebar upright rod, and a leather sheath is arranged outside the brake cable.

Preferably, the rear wheel damping mechanism comprises a first connector fixedly mounted on the back of the handlebar upright rod, a second connector is fixedly mounted on the top of the rear wheel frame, and a damper is fixedly mounted between the first connector and the second connector.

Preferably, the first connector and the second connector are both provided with locking wheels in a threaded manner at the installation positions of the shock absorber.

Preferably, the folding mechanism comprises a first rotating rod, the first rotating rod is rotatably arranged between the handlebar upright rod and the connecting frame, a second rotating rod is rotatably arranged between the handlebar upright rod and the connecting frame, a rotating pin is inserted into the middle position installation position of the first rotating rod and the second rotating rod, and one ends, far away from the connecting frame, of the first rotating rod and the second rotating rod are respectively hinged with the seat cushion.

Preferably, the two handlebar poles are shared, the left side the inboard rotation of handlebar pole setting is installed and is colluded the piece, the first one end that colludes the piece and keep away from the handlebar pole setting is rotated and is installed the positioning seat, the right side the inboard rotation of handlebar pole setting is installed and is colluded the piece, the second colludes the piece and is kept away from the one end rotation of handlebar pole setting and install and collude the sub-locking plate.

Preferably, the handlebar upright rod is also provided with a handrail, and the handrail is positioned between the backrest and the cushion.

Preferably, the front wheel damping mechanism adopts a damping cylinder.

Compared with the prior art, the utility model provides the handcart with the four-wheel damping mechanism, which has the following beneficial effects:

1. this handcart with four-wheel damper, through rear wheel damper and front wheel damper who sets up, in the use, can cushion the handcart body, be convenient for transport in the highway section of jolting, four wheels set up damper simultaneously alone, provide the travelling comfort of handcart when using greatly.

2. This handcart with four-wheel damper makes pedal can be fast firm the installation in front wheel front portion through pedal link, still convenient to detach transportation simultaneously.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of the rear structure of the present utility model;

in the figure: 1. a rear wheel frame; 2. a connecting frame; 3. a pedal connecting frame; 4. a rear wheel brake mechanism; 41. a rear wheel; 42. a brake pad; 43. a brake cable; 44. a hand brake; 5. a handle bar upright; 6. a storage box; 7. a rear wheel damping mechanism; 71. a first connecting body; 72. a locking wheel; 73. a damper; 74. a second connector; 8. a backrest; 9. a folding mechanism; 91. a first rotating lever; 92. a second rotating lever; 93. a first hook piece; 94. a positioning seat; 95. a second hook piece; 96. a hook locking plate; 97. and (5) a cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The handcart with four-wheel damping mechanisms comprises a connecting frame 2, a front wheel frame 13 arranged at the front end of the connecting frame 2, a rear wheel frame 1 arranged at the rear end of the connecting frame 2, a handlebar vertical rod 5 arranged at the top of the connecting frame 2, and a folding mechanism 9 arranged between the two connecting frames 2, wherein the rear wheel frame 1, the handlebar vertical rod 5 and the rear wheel damping mechanisms 7 are arranged in a triangle shape, two ends of the rear wheel damping mechanisms 7 are respectively hinged with the rear wheel frame 1 and the handlebar vertical rod 5, and rear wheels 41 are arranged at the rear end of the rear wheel frame 1; the front end of the front wheel frame 13 is vertically provided with a front wheel damping mechanism 11, and the lower end of the front wheel damping mechanism 11 is provided with universal wheels serving as front wheels; the front part of the front wheel frame 13 is provided with pedals 12 through the pedal connecting frame 3, the lower end of the front part of the pedal connecting frame 3 is inserted into the front wheel damping mechanism 11, the upper end of the front part of the front wheel frame is provided with an upper groove for fixing pedal connecting rods, the lower end surface of the rear part of the front wheel frame is provided with a lower groove which is used for being clamped and installed on the front wheel frame 13, and the upper end of the rear part of the rear wheel frame is provided with a fixing hole which is inserted into the pedal connecting rods; a backrest 8 with adjustable height is arranged between the two handlebar uprights 5.

Preferably, the rear wheel 41 is further provided with a rear wheel braking mechanism 4, the rear wheel braking mechanism 4 comprises a rear wheel 41, the rear wheel 41 is rotatably mounted at one end of the rear wheel frame 1 far away from the pedal connecting frame 3, a brake pad 42 is fixedly mounted at the outer part of the rear wheel 41, a brake cable 43 is fixedly mounted at the outer part of the brake pad 42, and a hand brake 44 is rotatably mounted at one end of the brake cable 43 far away from the brake pad 42.

Preferably, the hand brake 44 is rotatably mounted on top of the handlebar stem 5, and a leather sheath is provided on the outside of the brake cable 43.

Preferably, the rear wheel damper mechanism 7 includes a first connector 71, the first connector 71 is fixedly mounted on the back of the handlebar stem, a second connector 74 is fixedly mounted on the top of the rear wheel frame, and a damper 73 is fixedly mounted between the first connector 71 and the second connector 74.

Preferably, the locking wheel 72 is screwed on the mounting positions of the first connecting body 71, the second connecting body 74 and the shock absorber 73.

Preferably, the folding mechanism 9 includes a first rotating rod 91, the first rotating rod 91 is rotatably mounted between the handlebar upright 5 and the connecting frame 2, a second rotating rod 92 is rotatably mounted between the handlebar upright 5 and the connecting frame 2, a rotating pin is inserted in a middle position mounting position of the first rotating rod 91 and a middle position mounting position of the second rotating rod 92, and one ends, far away from the connecting frame 2, of the first rotating rod 91 and the second rotating rod 92 are respectively hinged with the seat cushion 97.

Preferably, the two handlebar pole setting 5 are all shared, the left side the inboard rotation of handlebar pole setting 5 is installed first piece 93 that colludes, the one end that first piece 93 kept away from the handlebar pole setting is rotated and is installed positioning seat 94, the right side the inboard rotation of handlebar pole setting 5 is installed the second and is colluded piece 95, the one end that the second colluded piece 95 kept away from handlebar pole setting 5 is rotated and is installed and collude sub-locking plate 96.

Preferably, a handrail 10 is further installed on the handlebar upright 5, and the handrail 10 is located between the backrest 8 and the seat cushion 97.

Preferably, the front wheel damper mechanism 11 adopts a damper cylinder.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The handcart with four-wheel damping mechanisms comprises a connecting frame (2), a front wheel frame (13) arranged at the front end of the connecting frame (2), a rear wheel frame (1) arranged at the rear end of the connecting frame (2), a handlebar vertical rod (5) arranged at the top of the connecting frame (2) and a folding mechanism (9) arranged between the two connecting frames (2), and is characterized in that the rear wheel frame (1), the handlebar vertical rod (5) and the rear wheel damping mechanisms (7) are arranged in a triangle shape, two ends of the rear wheel damping mechanisms (7) are respectively hinged with the rear wheel frame (1) and the handlebar vertical rod (5), and rear wheels (41) are arranged at the rear end of the rear wheel frame (1); the front end of the front wheel frame (13) is vertically provided with a front wheel damping mechanism (11), and the lower end of the front wheel damping mechanism (11) is provided with a universal wheel serving as a front wheel; the front part of the front wheel frame (13) is provided with pedals (12) through the pedal connecting frame (3), the lower end of the front part of the pedal connecting frame (3) is inserted into the front wheel damping mechanism (11), the upper end of the front part of the front wheel frame is provided with an upper groove for fixing a pedal connecting rod, the lower end surface of the rear part of the front wheel frame is provided with a lower groove which is used for being clamped and installed on the front wheel frame (13), and the upper end of the rear part of the rear wheel frame is provided with a fixing hole which is inserted into the pedal connecting rod; a backrest (8) with adjustable height is arranged between the two handlebar uprights (5).

2. A trolley with four-wheel shock absorbing mechanism according to claim 1, wherein: rear wheel (41) still are equipped with rear wheel brake mechanism (4), and rear wheel brake mechanism (4) are including rear wheel (41), rear wheel (41) rotate and install the one end of keeping away from pedal link (3) in rear wheel frame (1), the outside fixed mounting of rear wheel (41) has brake block (42), the outside fixed mounting of brake block (42) has brake cable (43), one end that brake cable (43) kept away from brake block (42) rotates and installs manual brake (44).

3. A trolley with four-wheel shock absorbing mechanism according to claim 2, wherein: the hand brake (44) is rotatably arranged at the top of the handlebar upright rod (5), and a leather sheath is arranged outside the brake cable (43).

4. A trolley with four-wheel shock absorbing mechanism according to claim 1, wherein: the rear wheel damping mechanism (7) comprises a first connecting body (71), the first connecting body (71) is fixedly arranged on the back of a handlebar upright rod, a second connecting body (74) is fixedly arranged on the top of the rear wheel frame, and a damper (73) is fixedly arranged between the first connecting body (71) and the second connecting body (74).

5. A cart with four-wheel shock absorbing mechanism according to claim 4, wherein: the first connector (71) and the second connector (74) are respectively and spirally provided with a locking wheel (72) at the installation positions of the shock absorber (73).

6. A trolley with four-wheel shock absorbing mechanism according to claim 1, wherein: folding mechanism (9) are including first dwang (91), first dwang (91) rotate and install between handlebar pole setting (5) and link (2), rotate between handlebar pole setting (5) and link (2) and install second dwang (92), just the intermediate position installation department of first dwang (91) and second dwang (92) peg graft there is the swivel pin, the one end that link (2) was kept away from with second dwang (92) first dwang (91) is articulated with cushion (97) respectively.

7. A cart with four-wheel shock absorbing mechanism according to claim 6, wherein: the novel bicycle is characterized in that the number of the handlebar uprights (5) is two in total, the first hook piece (93) is rotatably arranged on the left side of the inner side of the handlebar uprights (5), the positioning seat (94) is rotatably arranged at one end, far away from the handlebar uprights, of the first hook piece (93), the second hook piece (95) is rotatably arranged on the right side of the inner side of the handlebar uprights (5), and the hook locking piece (96) is rotatably arranged at one end, far away from the handlebar uprights (5), of the second hook piece (95).

8. A cart with four-wheel shock absorbing mechanism according to claim 6, wherein: an armrest (10) is also arranged on the handlebar upright rod (5), and the armrest (10) is positioned between the backrest (8) and the cushion (97).

9. A trolley with four-wheel shock absorbing mechanism according to claim 1, wherein: the front wheel damping mechanism (11) adopts a damping cylinder.