CN214648523U - Children's handcart with short-time self-locking function - Google Patents
Children's handcart with short-time self-locking function Download PDFInfo
- Publication number
- CN214648523U CN214648523U CN202120420374.4U CN202120420374U CN214648523U CN 214648523 U CN214648523 U CN 214648523U CN 202120420374 U CN202120420374 U CN 202120420374U CN 214648523 U CN214648523 U CN 214648523U
- Authority
- CN
- China
- Prior art keywords
- supporting rod
- brake
- assembly
- rear wheel
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model provides a children handcart with short-time self-locking function, which comprises a front supporting rod and a rear supporting rod, wherein the bottom of the front supporting rod and the bottom of the rear supporting rod are respectively provided with a front wheel and a rear wheel, and the rear wheel is provided with a brake foot brake; the inner side of the front supporting rod is provided with a base, and the upper end of the base is provided with a back chair with an adjustable angle; the outer side of the middle part of the front supporting rod is provided with a connecting assembly, the outer side of the connecting assembly is provided with a first control assembly, and the first control assembly penetrates through the connecting assembly and is in threaded connection with the rear supporting rod; the rear support rod is provided with a brake assembly, and the brake assembly is connected with the rear wheel and enables the rear wheel to be self-locked in a short time; compared with the prior art, the utility model discloses a children's handcart with short-time self-locking function has adjustable, the handcart height-adjustable of back of the body chair, and has short-time self-locking function's advantage.
Description
Technical Field
The utility model relates to a children's handcart technical field, concretely relates to children's handcart with short-time self-locking function.
Background
The child trolley is an important tool for maintaining children, is also a first vehicle for the children, can save the accompanying cost of the children, needs to be used when people go to sleep, go out and have a meal, and is high in utilization rate.
However, the seat of the existing trolley is mostly fixed, the child can only keep a posture, and the seat and the back chair can not be adjusted to proper positions, so that the comfort level of the trolley is reduced. In addition, the braking of the common child stroller is realized by the foot brake of the rear wheel, and caregivers occasionally forget to step on the foot brake, which causes the child stroller to roll, and the safety of riding the child is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point that above-mentioned prior art exists, provide a back of the body chair is adjustable, handcart height-adjustable, and have short-time self-locking function's children handcart.
The utility model adopts the following technical scheme: a children handcart with a short-time self-locking function comprises a front supporting rod and a rear supporting rod, wherein a front wheel and a rear wheel are respectively arranged at the bottom of the front supporting rod and the bottom of the rear supporting rod, and a brake is arranged on the rear wheel; the inner side of the front supporting rod is provided with a base, and the upper end of the base is provided with a back chair with an adjustable angle; the outer side of the middle part of the front supporting rod is provided with a connecting assembly, the outer side of the connecting assembly is provided with a first control assembly, and the first control assembly penetrates through the connecting assembly and is in threaded connection with the rear supporting rod; and the rear supporting rod is provided with a brake assembly, and the brake assembly is connected with the rear wheel and enables the rear wheel to be self-locked in a short time.
Compared with the prior art, the utility model discloses a children's handcart with short-time self-locking function has following advantage: 1) the seat of the child trolley is divided into the base and the back chair, and the angle of the back chair can be adjusted, so that the comfort level of taking a child is improved; 2) the first control assembly on the front support rod connecting assembly is in threaded connection with the rear support rod, and the position of the rear support rod can be changed by adjusting a connected screw, so that the height of the trolley is adjusted; 3) when the caretaker forgets to step on the brake foot brake, the seated child or passerby can control the brake assembly on the rear support rod to enable the rear wheels to be self-locked for a short time, so that the phenomenon of sliding of the child trolley is prevented.
Furthermore, the bottom of the rear support rod is provided with a connecting frame in threaded connection with the rear wheel, and a connecting shaft connected with two side edges of the connecting frame is arranged in the connecting frame; the brake assembly comprises a handle capable of being pulled, a metal wire which is positioned in the rear support rod and connected with the handle, and brake pads which are positioned in two side edges of the connecting frame and connected with the metal wire, wherein the middle parts of the brake pads are fixedly connected with the connecting shaft, and the brake pads can rotate on the connecting shaft; one end of the brake block is connected with the metal wire, and the other end of the brake block can brake the rear wheel.
The specific short-time braking principle is as follows: the handle is lifted for a short time, one end of the brake pad is pulled by the metal wire, so that one end of the brake pad moves upwards around the connecting shaft, the other end of the brake pad moves downwards around the connecting shaft, and then the brake pad is in contact friction with the rear wheel to brake the rear wheel; when the handle is loosened, one end of the brake pad connected with the metal wire moves downwards under the action of gravity and returns to the initial position, and the other end of the brake pad moves upwards away from the rear wheel, so that the brake pad is integrally balanced, and braking is finished; similar to the seesaw principle.
Further, caregivers, passers-by, and children may pull on the handle to lock the cart for a short period of time.
Furthermore, the top of the front support rod is provided with a handrail for the caretaker to operate the trolley.
Furthermore, a pedal is arranged on the front support rod at the lower part of the base and is used for seating children to rest feet.
Furthermore, a hand rest is arranged on the front supporting rod at the upper part of the base, so that a child can hold the hand rest to keep the body stable.
Furthermore, the base is connected with the back chair through a rotating shaft, a second control assembly is arranged on the outer side of the axial direction of the rotating shaft, the second control assembly adjusts the inclination angle of the back chair through a connected screw, and then adjusts the lying angle of the seated child, so that the seated child is more comfortable.
Furthermore, safety belts are arranged on the base and the back chair, the safety belts on the base and the back chair can respectively ensure the safety of the lower limbs and the upper limbs of the seated children, and the seated children can be prevented from falling when encountering danger, so that the personal safety is ensured.
Furthermore, a cross rod is arranged on the inner side of the rear supporting rod and used for ensuring the stability of the rear supporting rod.
Furthermore, the front wheel can also be set to be a front wheel with a short-time self-locking function, so that the front wheel also has a braking function.
Drawings
FIG. 1 is a front view of a stroller with a short self-locking function according to an embodiment;
FIG. 2 is a schematic view of the reverse structure of the stroller with a short self-locking function according to the embodiment;
FIG. 3 is a schematic view of a brake assembly of the stroller with a short self-locking function according to an embodiment;
the bicycle comprises a front support rod 1, a front wheel 11, a front wheel 12, a base 13, a back chair 14, a connecting assembly 141, a first control assembly 15, an armrest 16, a pedal 17, a hand rest 18, a rotating shaft 19, a second control assembly 2, a rear support rod 21, a rear wheel 211, a brake foot brake 22, a brake assembly 221, a handle 222, a metal wire 223, a brake pad 23, a connecting frame 231, a connecting shaft 24 and a cross rod.
Detailed Description
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
In the present invention, the terms "front support bar", "front wheel", "rear wheel", "bottom", "top", "upper", "lower", "inner side", "upper end", "middle", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to explain the relative positional relationship between the respective components or constituent parts, and the specific mounting orientation of the respective components or constituent parts is not particularly limited; also, the above partial terms may be used to indicate other meanings in addition to the orientation or positional relationship; the specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection; may be directly connected, or indirectly connected through intervening media, or may be in communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
A children handcart with a short-time self-locking function comprises a front supporting rod 1 and a rear supporting rod 2, wherein a front wheel 11 and a rear wheel 21 are respectively arranged at the bottom of the front supporting rod 1 and the bottom of the rear supporting rod 2, and a brake foot brake 211 is arranged on the rear wheel 21; a base 12 is arranged at the inner side of the front supporting rod 1, and a back chair 13 with adjustable angle is arranged at the upper end of the base 12; the connecting assembly 14 is arranged on the outer side of the middle part of the front support rod 1, the first control assembly 141 is arranged on the outer side of the connecting assembly 14, and the first control assembly 141 penetrates through the connecting assembly 14 and is in threaded connection with the rear support rod 2; the rear support rod 2 is provided with a brake assembly 22, and the brake assembly 22 is connected with the rear wheel 21 and enables the rear wheel 21 to be self-locked in a short time.
Specifically, the bottom of the rear support rod 2 is provided with a connecting frame 23 in threaded connection with the rear wheel 21, and a connecting shaft 231 connected with two side edges of the connecting frame 23 is arranged in the connecting frame 23; the brake assembly 22 comprises a handle 221 capable of being pulled, a metal wire 222 positioned inside the rear support rod 2 and connected with the handle 221, and brake pads 223 positioned in two side edges of the connecting frame 23 and connected with the metal wire 222, wherein the middle parts of the brake pads 223 are fixedly connected with the connecting shaft 231, and the brake pads 223 can rotate on the connecting shaft 231; one end of the brake block 223 is connected to the wire 222, and the other end of the brake block 223 brakes the rear wheel 21.
The specific short-time braking principle is as follows: the handle 221 is lifted for a short time, the metal wire 222 pulls one end of the brake block 223, so that one end of the brake block 223 moves upwards around the connecting shaft 231, the other end of the brake block 223 moves downwards around the connecting shaft 231, and then the brake block contacts and rubs with the rear wheel 21 to brake the rear wheel 21; when the handle 221 is loosened, one end of the brake block 223 connected with the metal wire 222 moves downwards under the action of gravity and returns to the initial position, and the other end of the brake block 223 moves upwards away from the rear wheel 21, so that the brake block 223 is integrally balanced, and braking is finished; similar to the seesaw principle. Caregivers, passers-by, and seated children may pull on handle 221 to lock the cart for a short period of time.
Specifically, the top of the front supporting rod 1 is provided with a handrail 15 for the caretaker to operate the trolley; a foot pedal 16 is arranged on the front support rod 1 at the lower part of the base 12 and is used for resting feet of children; a hand rest 17 is arranged on the front support rod 1 at the upper part of the base 12 and is used for being grasped by a child to keep the body stable; the base 12 is connected with the back chair 13 through a rotating shaft 18, a second control assembly 19 is arranged on the axial outer side of the rotating shaft 18, and the second control assembly 19 adjusts the inclination angle of the back chair 13 through connected screws, so that the lying angle of a seated child is adjusted, and the seated child is more comfortable; safety belts are arranged on the base 12 and the back chair 13, the safety belts on the base 12 and the back chair 13 can respectively ensure the safety of the lower limbs and the upper limbs of a seated child, and the seated child can be prevented from falling in case of danger, so that the personal safety is ensured; the inner side of the rear supporting rod 2 is provided with a cross rod 24 for ensuring the stability of the rear supporting rod 2.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a children's handcart with short-term self-locking function, includes preceding bracing piece and back bracing piece, its characterized in that:
the bottom of the front supporting rod and the bottom of the rear supporting rod are respectively provided with a front wheel and a rear wheel, wherein the rear wheel is provided with a brake foot brake;
a base is arranged on the inner side of the front supporting rod, and a back chair with an adjustable angle is arranged at the upper end of the base;
the outer side of the middle part of the front supporting rod is provided with a connecting assembly, the outer side of the connecting assembly is provided with a first control assembly, and the first control assembly penetrates through the connecting assembly and is in threaded connection with the rear supporting rod;
and the rear supporting rod is provided with a brake assembly, and the brake assembly is connected with the rear wheel and enables the rear wheel to be self-locked in a short time.
2. The stroller of claim 1, wherein: the bottom of the rear support rod is provided with a connecting frame in threaded connection with a rear wheel, and a connecting shaft connected with two side edges of the connecting frame is arranged in the connecting frame; the brake assembly comprises a handle capable of being pulled, a metal wire which is positioned in the rear support rod and connected with the handle, and brake pads which are positioned in two side edges of the connecting frame and connected with the metal wire, wherein the middle parts of the brake pads are fixedly connected with the connecting shaft, and the brake pads can rotate on the connecting shaft; one end of the brake pad is connected with the metal wire, and the other end of the brake pad can brake the rear wheel.
3. The stroller of claim 1, wherein: the top of the front supporting rod is provided with a handrail.
4. The stroller of claim 1, wherein: a pedal is arranged on the front supporting rod at the lower part of the base.
5. The stroller of claim 1, wherein: and a hand rack is arranged on the front supporting rod on the upper part of the base.
6. The stroller of claim 1, wherein: the base is connected with the back chair through a rotating shaft, a second control assembly is arranged on the outer side of the rotating shaft in the axial direction, and the second control assembly adjusts the inclination angle of the back chair through a connected screw.
7. The stroller of claim 1, wherein: safety belts are arranged on the base and the back chair.
8. The stroller of claim 1, wherein: and a cross bar is arranged on the inner side of the rear supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420374.4U CN214648523U (en) | 2021-02-25 | 2021-02-25 | Children's handcart with short-time self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420374.4U CN214648523U (en) | 2021-02-25 | 2021-02-25 | Children's handcart with short-time self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214648523U true CN214648523U (en) | 2021-11-09 |
Family
ID=78449190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120420374.4U Active CN214648523U (en) | 2021-02-25 | 2021-02-25 | Children's handcart with short-time self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214648523U (en) |
-
2021
- 2021-02-25 CN CN202120420374.4U patent/CN214648523U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207721998U (en) | A kind of walk help has helped wheelchair | |
| CN214648523U (en) | Children's handcart with short-time self-locking function | |
| CN210661129U (en) | Brake structure | |
| CN210227474U (en) | Chair (Ref. TM. chair) | |
| CN209996630U (en) | electric rehabilitation wheelchair | |
| US2427161A (en) | Invalid chair | |
| CN207843025U (en) | Trolley | |
| CN214711564U (en) | Chassis structure with seat-back synchronous linkage device | |
| US20040145133A1 (en) | Multi-functional infant-carrying device | |
| CN213963996U (en) | Wheel chair | |
| CN217753871U (en) | Hidden pedal structure of perambulator | |
| CN208291403U (en) | A kind of scooter that children old man is general | |
| CN2374426Y (en) | Pram | |
| CN201324332Y (en) | Riding-pushing-type wheelchair | |
| CN216468043U (en) | Reversing seat pocket structure of trolley | |
| JP3053144U (en) | Casters for standing support chairs | |
| CN211212189U (en) | Portable rocking chair | |
| CN113475884B (en) | Comfortable adjustable ergonomic office chair | |
| CN217374785U (en) | Electric children's cycle | |
| JPH10181303A (en) | Caster for chair | |
| CN213413924U (en) | Multifunctional universal baby carriage | |
| CN219814526U (en) | Electric wheelchair capable of climbing | |
| CN220743135U (en) | Kindergarten's shallow for conservation | |
| CN212972366U (en) | Chair capable of reducing burden of human body | |
| CN208838370U (en) | A kind of wheel-chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |