CN210133225U

CN210133225U - Multifunctional child seat

Info

Publication number: CN210133225U
Application number: CN201920772869.6U
Authority: CN
Inventors: 苏朝辉; 李阳阳; 王振华; 郭枫; 沙恒; 牛雪艳
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-03-10
Anticipated expiration: 2029-05-27

Abstract

The utility model belongs to the technical field of children's seat and specifically relates to a multi-functional children's seat is related to. This multi-functional children's seat includes: a backrest, a guardrail, a seat, a back support component and a hand-push mechanism. The utility model provides a multi-functional child seat has increased hand push mechanism and universal wheel in child seat, on the basis that has child seat function, can warp the child seat for the hand push mode, can alleviate father and mother's burden of going on a journey and guarantee that children are safe and comfortable to sit on child seat. Adopted adjusting part and height adjusting mechanism in this application embodiment, can adjust the extension length and the locking of telescopic link during the use, the adult of the different heights of high adaptation that can adjust the seat simultaneously, the adult of being convenient for promotes children's seat. In the embodiment of the application, the table plate matched with the guardrail or the hand push rod is adopted, and the table plate is clamped on the guardrail when the desk is used, so that the object placing function is realized; when not needed, the desk plate can be taken down from the guardrail and clamped on the hand push rod.

Description

Multifunctional child seat

Technical Field

The application relates to the field of child seats, in particular to a multifunctional child seat.

Background

The electric vehicle is taken as one of energy-saving and environment-friendly industries which are most close to the life of people, is taken as a convenient and cheap vehicle, and is popular with consumers. At present, the scenes that children are picked up and sent to school by an electric bicycle are particularly common, and the traffic safety law clearly stipulates that the children below twelve years old can be carried by the electric bicycle with a safety seat.

If the safety seat is not installed, certain potential safety hazards exist when children are carried; but the child safety seat installed on the electric vehicle and the bicycle in the prior art has relatively single function and can not meet more requirements of people. For example: parents can wear children to buy vegetables, shop and shop in shopping malls for a long time, most of the parents can hold the children, the physical fatigue of the parents is increased rapidly, the comfort level of the children is reduced, and the potential safety hazard is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional children's seat to solve the aforementioned problem that exists among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a multi-functional children's seat, including back, guardrail and with guardrail fixed connection's seat support still includes: the back support assembly is arranged on one side, far away from the guardrail, of the backrest and comprises a hand push rod and a plurality of telescopic rods, and the back support assembly is connected with the backrest through a plurality of adjusting assemblies; the hand-push mechanism is arranged at the bottom of the seat and is connected with the seat through a chassis; the hand push mechanism comprises a supporting assembly, a plurality of universal wheels are arranged at the bottom of the supporting assembly, and the hand push mechanism can drive the child seat to move when the child seat is in a hand push mode.

Furthermore, the adjusting assembly comprises an adjusting rod and a mounting rod, and the mounting rod is fixedly connected with the bottom of the seat; the first end of the telescopic rod is inserted into the corresponding adjusting rod, the second end of the telescopic rod is fixedly connected with the hand push rod, and the telescopic rod can slide in the corresponding adjusting rod along the length direction of the adjusting rod.

Furthermore, the adjusting assembly further comprises a first positioning hole arranged on the adjusting rod, a plurality of second positioning holes arranged on the telescopic rod and a fixing assembly, and the first positioning hole is communicated with the corresponding second positioning holes and is fixed through the fixing assembly in a use state.

Furthermore, the fixing assembly comprises a connecting part, a moving part, a positioning block and a spring sleeved on the connecting part, wherein the first end of the connecting part is fixedly connected with the first end of the positioning block, and the second end of the connecting part penetrates through the adjusting rod and extends outwards to be fixedly connected with the moving part; the first end of the spring is fixedly connected with the first end of the positioning block, the second end of the spring is fixedly connected with the adjusting rod, and the second end of the positioning block is clamped into the corresponding second positioning hole in the use state.

Furthermore, the chair also comprises a height adjusting mechanism fixedly arranged at the bottom of the chassis and used for adjusting the height of the chair seat; the height adjusting mechanism is connected with the supporting component and comprises an air cylinder, an outer cylinder and a lifting component, the air cylinder comprises an air cylinder body inserted in the outer cylinder, a piston and a piston rod, the piston is arranged in the air cylinder body, and a cavity in the air cylinder body is divided into a first inner cavity and a second inner cavity by the piston; an air passage communicating the first inner cavity and the second inner cavity is arranged in the cylinder body; the first end of the piston rod is connected with the piston, and the second end of the piston rod penetrates through the cylinder body and is connected with the outer cylinder.

Further, lifting unit includes action bars and switch bolt, the switch bolt sets up the intercommunication department of first inner chamber and air flue on the cylinder body, the first end of action bars stretch into the cylinder body in and with switch bolt fixed connection to adjust the height of seat support.

Furthermore, an adjusting groove is formed in the chassis, and the second end of the operating rod penetrates through the adjusting groove and is connected with the chassis pivot.

Further, the supporting component comprises a base and a plurality of supporting rods, each supporting rod is fixedly connected with the base, and the universal wheels are arranged at the bottoms of the supporting rods.

Further, still include the table, the table detachably sets up on handspike or the guardrail.

Furthermore, a plurality of clamping parts are fixedly arranged at the bottom of the table plate, clamping grooves are formed in the clamping parts, and the clamping grooves are matched with the hand push rods or the guardrails, so that the table plate can be clamped on the hand push rods or the guardrails.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. according to the embodiment of the application, the hand-push mechanism and the universal wheels are additionally arranged in the child seat, and on the basis of the function of the child seat, the child seat in a hand-push mode can be deformed, so that the traveling burden of parents can be relieved, and the child can be comfortably seated on the child seat.

2. Adopted adjusting part and height adjusting mechanism in this application embodiment, can adjust the extension length and the locking of telescopic link during the use, the adult of the different heights of high adaptation that can adjust the seat simultaneously, the adult of being convenient for promotes children's seat.

3. In the embodiment of the application, the table plate matched with the guardrail or the hand push rod is adopted, and the table plate is clamped on the guardrail when the desk is used, so that the object placing function is realized; when not needed, the desk plate can be taken down from the guardrail and clamped on the hand push rod.

Drawings

FIG. 1 is an isometric view of a child seat in an embodiment of the present application from a first perspective;

FIG. 2 is an isometric view of a child seat from a second perspective in an embodiment of the present application;

FIG. 3 is an isometric view of a child seat in an embodiment of the present application from a third perspective;

FIG. 4 is a schematic structural view of the telescopic rod and the adjusting rod in the use state in the embodiment of the present application;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

FIG. 6 is an isometric view of a child seat of an embodiment of the present application from a first perspective when in a push mode;

FIG. 7 is an isometric view of a second perspective of the child seat of the embodiment of the present application in the push mode;

FIG. 8 is a partial enlarged view of portion B of FIG. 7;

FIG. 9 is a schematic structural view of a height adjustment mechanism in an embodiment of the present application;

FIG. 10 is an isometric view of a first view of the table of the present application in a collapsed position;

fig. 11 is an isometric view from a second perspective of a table in a collapsed position according to an embodiment of the present application.

Description of the reference numerals

1-chair seat, 2-guard bar, 21-guard bar, 22-middle bar, 23-fixed bar, 3-backrest; 4-back support component, 41-hand push rod, 42-telescopic rod;

5-adjustment assembly, 51-mounting rod, 52-adjustment rod, 53-first positioning hole, 54-second positioning hole, 55-fixing assembly, 551-moving part, 552-connecting part, 553-spring, 554-positioning block, 56-mounting hole, 57-telescopic slot;

6-a height adjusting mechanism, 61-an operating rod, 62-a switch bolt, 63-a cylinder body, 64-a piston, 65-a piston rod, 66-an air passage, 67-a first inner cavity, 68-a second inner cavity and 69-an outer cylinder;

7-support component, 71-base, 72-support rod, 8-universal wheel, 9-table component, 91-table, 92-clamping part, 93-clamping groove, 10-chassis, 101-adjusting groove, 102-connecting rod, 11-fastening piece.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, a more particular description of the present application will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

Fig. 1-11 show a structure diagram of a multifunctional child seat according to the present invention. For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention. Wherein the upper left coordinate system in fig. 1 indicates the front, the opposite front being the back.

As shown in fig. 1 to 5, a multi-functional child seat includes a backrest 3, a guardrail 2, a seat 1 and a back support assembly 4. Wherein, the seat support 1 and the backrest 3 are provided with memory cotton, which has the ability of slow deformation, and the original shape can be slowly recovered after the deformation by external force while the comfort is improved, thereby increasing the comfort for children to take. The guardrail 2 comprises a guard bar 21, a middle bar 22 and two fixed bars 23 which are fixedly connected in sequence; the middle rod 22 is arranged in front of the child seat, the whole middle rod 22 is in an inverted U shape and is perpendicular to the protection rod 21, and the U-shaped side edges of the middle rod 22 are fixedly connected with the end parts of the two fixing rods 23 respectively; the fixing rod 23 is perpendicular to the middle rod 22, and the fixing rod 23 is fixedly connected with the bottom of the seat 1, so that the whole guardrail 2 is fixedly connected with the seat 1. Optionally, the guard bar 21, the middle bar 22 and the two fixing bars 23 are processed into an integrated structure, so as to increase the stability of the guardrail 2.

A plurality of adjusting assemblies 5 (for example, 2) are connected to the rear side of the guardrail 2, each adjusting assembly 5 comprises an adjusting rod 52 and a mounting rod 51, the adjusting rods 52 are arranged perpendicular to the seat 1, and the adjusting rods 52 and the mounting rods 51 are vertically and fixedly connected. The end of the guard bar 21 is fixedly connected to the adjustment lever 52, and the rear side of the backrest 3 is fixedly connected to the adjustment lever 52. The mounting rods 51 are fixedly arranged at the bottom of the seat 1, and each mounting rod 51 is provided with a plurality of mounting holes 56 (e.g. 2), and optionally, the mounting holes 56 are threaded holes. The mounting rods 51 and the fixing rods 23 are arranged in the same direction, and the two fixing rods 23 are arranged between the two mounting rods 51, so that the bearing capacity of the seat 1 is increased. Optionally, the adjusting rod 52 is a hollow square tube or a hollow circular tube, and a telescopic slot 57 is formed inside the adjusting rod.

The back support assembly 4, which is disposed at the rear side of the child seat, includes a hand push bar 41 and a plurality of telescopic bars 42 (e.g., 2). Optionally, the telescopic rod 42 is a solid cube or a solid cylinder. Wherein, the first end of each telescopic rod 42 is inserted into the telescopic slot 57 on the corresponding adjusting rod 52, and the second end is fixedly connected with the hand push rod 41; the extendable rod 42 is slidable in the extendable groove 57 in the longitudinal direction of the adjustment lever 52, and the height of the hand push rod 41 is adjusted.

Each adjusting rod 52 is provided with a first positioning hole 53, and each telescopic rod 42 is provided with a plurality of second positioning holes 54 (for example, 6) with the same interval. When the child seat is in the use state, one of the first positioning hole 53 and the second positioning hole 54 is in a communication state.

The adjusting assembly 5 in the embodiment of the present application further includes a fixing assembly 55, the fixing assembly 55 includes a moving portion 551, a connecting portion 552, a spring 553, and a positioning block 554, and the adjusting rod 52 is provided with a through hole (not shown) communicating with the first positioning hole 53; the connecting portion 552 has a first end fixedly connected to one side of the positioning block 554 facing the first positioning hole 53, and a second end passing through the through hole and extending outward to be fixedly connected to the moving portion 551. The spring 553 is sleeved on the connecting portion 552, a first end of the spring 553 is fixedly connected to a side of the positioning block 554 opposite to the second positioning hole 54, and a second end of the spring 553 is fixedly connected to the adjusting lever 52. When the extension length of the telescopic rod 42 needs to be adjusted, the moving portion 551 is pulled outwards, the connecting portion 552 drives the positioning block 554 to move, and the positioning block 554 is separated from the second positioning hole 54, so that the telescopic rod 42 extends by the required length; the moving part 551 is released, the positioning block 554 is clamped into the corresponding second positioning hole 54 again under the action of the spring 553, the telescopic rod 42 is locked at the corresponding position, and the height of the hand push rod 41 can be locked.

As shown in fig. 6-9, the bottom of the mounting rod 51 is detachably connected to the bottom plate 10, and optionally, the bottom plate 10 is connected to the seat 1 through a screw, and the bottom plate 10 and the mounting holes 56 of the mounting rod 51 are connected through countersunk bolts. The bottom of the chassis 10 is provided with 3 connecting rods 102, and the three-leg supporting structure is formed by the 3 connecting rods 102, so that the child seat is more stable to use. One of the connecting rods 102 is provided with a through adjusting groove 101.

The bottom of the chassis 10 is connected with a hand pushing mechanism comprising a height adjusting mechanism 6 and a support assembly 7. Wherein, height adjusting mechanism 6, set up in the bottom of chassis 10, including cylinder, urceolus 69 and lifting unit. The outer cylinder 69 is hollow, the cylinder comprises a cylinder body 63, a piston 64 and a piston rod 65, a first end of the cylinder body 63 is inserted into the outer cylinder 69, and a second end of the cylinder body passes through the outer cylinder 69 and extends outwards; a cavity is formed inside the cylinder body 63, and high-pressure nitrogen is filled in the cavity; the piston 64 is arranged in the cylinder body 63 and divides a cavity in the cylinder body 63 into a first inner cavity 67 and a second inner cavity 68, and an air passage 66 communicating the first inner cavity 67 with the second inner cavity 68 is arranged in the cylinder body 63; the first end of the piston rod 65 is connected to the piston 64, and the second end passes through the cylinder body 63 and extends outward and is connected to the outer cylinder 69 through a bearing seat. The lifting assembly comprises an operating rod 61 and a switch bolt 62, the switch bolt 62 is arranged at the communication position of the first inner cavity 67 and the air channel 66 on the cylinder body 63, the first end of the operating rod 61 extends into the cylinder body 63 and is fixedly connected with the switch bolt 62, the second end of the operating rod 61 is arranged in an adjusting groove 101 on the connecting rod 102 in a penetrating mode, and the operating rod 61 is connected with the connecting rod 102 in a pivot mode. When the adjustment is needed, the operating rod 61 is pulled upwards, the switch bolt 62 moves downwards relatively, the switch bolt 62 is opened, the first inner cavity 67 and the second inner cavity 68 in the cylinder body 63 are communicated, the pressure of the first inner cavity 67 and the pressure of the second inner cavity 68 are consistent, and the height of the seat 1 can be freely adjusted. When the height of the seat 1 is adjusted to a proper position, the operating rod 61 is reset, the switch bolt 62 is closed, and a closed space filled with high-pressure nitrogen is formed in the first inner cavity 67 to meet the downward pressure of the seat 1.

The support assembly 7 includes a base 71 and a plurality of support rods 72 (e.g., 4). The base 71 is disposed at the bottom of the outer cylinder 69 and is connected by fasteners 11. Optionally, the fastener 11 includes a screw and a nut screwed on the screw, a first end of the screw is fixedly connected to the bottom of the outer cylinder 69, a second end of the screw passes through the base 71 and extends outward, and the nut is screwed on the second end of the screw to fix the base 71 and the outer cylinder 69. The 4 support rods 72 are distributed on the side face of the base 71 in an X shape, and each support rod 72 and the base 71 are processed into an integrated structure, so that the support stability of the child seat is improved. Optionally, a fixing groove (not shown in the figure) with an upward opening is formed in each supporting rod 72, the transverse length of the X-shaped groove formed by the 4 supporting rods 72 is larger than the width of the pedal of the electric vehicle, the child seat can be fixed on the pedal in front of the electric vehicle through a self-locking strapping tape and the fixing groove, the universal wheels 8 are suspended during fixing, and the child seat is better fixed.

As shown in fig. 10 and 11, the multifunctional child seat further includes a table component 9, the table component 9 includes a table 91 and a plurality of clamping portions 92, the plurality of clamping portions 92 are all fixedly disposed at the bottom of the table 91, each clamping portion 92 is provided with a clamping groove 93, and a distance between adjacent clamping portions 92 is set to a standard that the clamping portions 92 can be clamped into the protection rod 21 on the hand push rod 41 or the guardrail 2. When the table 91 is needed to realize the object placing function, the clamping grooves 93 on the plurality of clamping parts 92 are respectively clamped into corresponding parts on the front side of the protection rod 21, and the taking of children is not affected. When the table board 91 is not needed, the locking groove 93 on the holding part 92 is separated from the protective rod 21 and is locked into the hand push rod 41, so that the riding comfort of the child is improved.

The working principle of one embodiment of the application is as follows: when the electric vehicle is required to carry children, a user pulls the moving part 551 outwards, the connecting part 552 drives the positioning block 554 to move, and the positioning block 554 is separated from the second positioning hole 54, so that the telescopic rod 42 extends out by a required length; the moving part 551 is released, the positioning block 554 is clamped into the corresponding second positioning hole 54 again under the action of the spring 553, and the telescopic rod 42 of the child seat is completely retracted into the adjusting rod 52; the operating rod 61 is pulled upwards, the switch bolt 62 moves downwards relatively, the switch bolt 62 is opened, the height of the seat 1 is adjusted to a proper position according to the height of the child, and the operating rod 61 is reset downwards; the self-locking strapping tapes are adopted to fix the support rods 72 in the support component 7 on the pedal of the electric vehicle, so that the child seat is fixed on the electric vehicle, and a child can sit on the seat 1.

When the child seat needs to be moved, a user unloads the strapping tape and takes the child seat off the electric vehicle; a user pulls the operating rod 61 upwards, the switch bolt 62 moves downwards relatively, the switch bolt 62 is opened, the height of the seat 1 is adjusted to a proper position according to the height of a child, and the operating rod 61 is reset downwards; the user pulls the moving part 551 outwards, the connecting part 552 drives the positioning block 554 to move, the positioning block 554 is separated from the second positioning hole 54, and the telescopic rod 42 extends out for a required length according to the height requirement of an adult; the moving part 551 is loosened, the positioning block 554 is clamped into the corresponding second positioning hole 54 again under the action of the spring 553, the telescopic rod 42 is locked at the corresponding position, and the height of the hand push rod 41 can be locked; when a child sits on the seat 1, the child seat can be switched to a manual pushing mode.

In conclusion, the multifunctional child seat provided by the application is additionally provided with the hand-push mechanism and the universal wheels, and can be deformed into a child seat in a hand-push mode on the basis of having the function of the child seat, so that the traveling burden of parents can be relieved, and the child can be safely and comfortably seated on the child seat. Adopted adjusting part and height adjusting mechanism in this application embodiment, can adjust the extension length and the locking of telescopic link during the use, the adult of the different heights of high adaptation that can adjust the seat simultaneously, the adult of being convenient for promotes children's seat. In the embodiment of the application, the table plate matched with the guardrail or the hand push rod is adopted, and the table plate is clamped on the guardrail when the desk is used, so that the object placing function is realized; when not needed, the desk plate can be taken down from the guardrail and clamped on the hand push rod.

In this application, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the present application, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a multi-functional children's seat, including back, guardrail and with guardrail fixed connection's seat support, its characterized in that still includes:

the back support assembly is arranged on one side, far away from the guardrail, of the backrest and comprises a hand push rod and a plurality of telescopic rods, and the back support assembly is connected with the backrest through a plurality of adjusting assemblies;

the hand-push mechanism is arranged at the bottom of the seat and is connected with the seat through a chassis; the hand push mechanism comprises a supporting assembly, a plurality of universal wheels are arranged at the bottom of the supporting assembly, and the hand push mechanism can drive the child seat to move when the child seat is in a hand push mode.

2. A multi-function child seat according to claim 1, wherein said adjustment assembly includes an adjustment lever and a mounting lever, said mounting lever fixedly connected to said seat bottom portion; the first end of the telescopic rod is inserted into the corresponding adjusting rod, the second end of the telescopic rod is fixedly connected with the hand push rod, and the telescopic rod can slide in the corresponding adjusting rod along the length direction of the adjusting rod.

3. The multi-function child seat according to claim 2, wherein the adjustment assembly further comprises a first positioning hole disposed on the adjustment rod, a plurality of second positioning holes disposed on the extension rod, and a fixing assembly, wherein the first positioning hole and the corresponding second positioning hole are communicated and fixed by the fixing assembly in a use state.

4. The multifunctional child seat according to claim 3, wherein the fixing assembly comprises a connecting portion, a moving portion, a positioning block and a spring sleeved on the connecting portion, a first end of the connecting portion is fixedly connected with a first end of the positioning block, and a second end of the connecting portion penetrates through the adjusting rod and extends outwards to be fixedly connected with the moving portion; the first end of the spring is fixedly connected with the first end of the positioning block, the second end of the spring is fixedly connected with the adjusting rod, and the second end of the positioning block is clamped into the corresponding second positioning hole in the use state.

5. The multi-function child seat according to claim 4, further comprising a height adjustment mechanism fixedly disposed at a bottom of said chassis for adjusting a height of said seat; the height adjusting mechanism is connected with the supporting component and comprises an air cylinder, an outer cylinder and a lifting component, the air cylinder comprises an air cylinder body inserted in the outer cylinder, a piston and a piston rod, the piston is arranged in the air cylinder body, and a cavity in the air cylinder body is divided into a first inner cavity and a second inner cavity by the piston; an air passage communicating the first inner cavity and the second inner cavity is arranged in the cylinder body; the first end of the piston rod is connected with the piston, and the second end of the piston rod penetrates through the cylinder body and is connected with the outer cylinder.

6. The multi-functional child seat according to claim 5, wherein the lifting assembly includes an operating rod and a switch bolt, the switch bolt is disposed at a communication position of the first inner cavity and the air passage on the cylinder body, and a first end of the operating rod extends into the cylinder body and is fixedly connected with the switch bolt so as to adjust the height of the seat.

7. A multi-function child seat according to claim 6, wherein said base is provided with an adjustment slot, and said second end of said operating lever is inserted into said adjustment slot and pivotally connected to said base.

8. A multi-function child seat according to claim 7, wherein said support assembly includes a base and a plurality of support rods, each of said support rods being fixedly connected to said base, said universal wheels being disposed at the bottom of said support rods.

9. The multi-functional child seat according to any one of claims 1-8, further comprising a table removably disposed on the push bar or the guardrail.

10. The multifunctional child seat according to claim 9, wherein a plurality of clamping portions are fixedly arranged at the bottom of the table plate, and clamping grooves are formed in the clamping portions and are matched with the hand push rod or the guardrail, so that the table plate can be clamped on the hand push rod or the guardrail.