CN213566312U

CN213566312U - Frame subassembly and children walker

Info

Publication number: CN213566312U
Application number: CN202021597802.2U
Authority: CN
Inventors: 夏奇
Original assignee: Ningbo Youfang Children's Products Co ltd
Current assignee: Ningbo Youfang Children's Products Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-06-29
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a frame subassembly, which comprises a vehicle rack, the saddle, the front end of frame is used for connecting the front fork, the rear end is used for connecting the rear wheel, the saddle includes pedestal and seat pole, the frame includes left and right side board, a left side, middle part region between the right side board sets up left and right side holder, top-down sets up a plurality of through-holes on the seat pole, with a left side, right side holder centre gripping seat pole, and set up 2 fasteners side by side on the left side board at least, the fastener tip passes left side holder in addition, be connected with right side board behind through-hole and the right side holder on the seat pole, this frame subassembly simplified structure, curb plate stroke frame main part about, sit the pole in cooperation fastener centre gripping about, through taking off the altitude mixture control that the fastener realized the saddle, high degree of use, and low cost, and a children's walker is provided.

Description

Frame subassembly and children walker

Technical Field

The utility model relates to a car body part technical field, concretely relates to frame subassembly and children's walker.

Background

The common frame structure in the existing bicycle is generally triangular, the front end of the frame is connected with the front fork piece, the rear end of the frame is connected with the rear fork piece, and the saddle is arranged on the frame.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect, the utility model provides a following technical scheme:

the utility model provides a frame subassembly, includes frame, saddle, the front end of frame is used for connecting the front fork, the rear end is used for connecting the rear wheel, the saddle includes pedestal and sits the pole, the frame includes left and right side board, middle part region between the left and right side board sets up left and right holder, it sets up a plurality of through-holes to sit on the pole from top to bottom to sit the pole, sit the pole with left and right holder centre gripping, and set up 2 fasteners side by side on the left side board at least, the fastener other tip passes left holder, sit behind through-hole and the right holder on the pole and be connected with the right side board.

This frame subassembly simplified structure to left and right sides board stroke frame main part, with left and right holder cooperation fastener centre gripping seat pole, through taking off the high regulation of fastener realization saddle, convenient to use, it is with low costs.

Furthermore, the opposite surfaces of the left clamping seat and the right clamping seat are longitudinally provided with at least two limiting columns, and the limiting columns are arranged in the through holes of the seat rod, so that the stability is improved.

Furthermore, a linear through hole is formed in the limiting column, the other port of the through hole is positioned on the other surface opposite to the clamping seat, the left side plate and the right side plate which face the other port of the through hole are provided with holes, and the fastening piece penetrates through the through hole in the limiting column, so that the assembly is convenient.

Further, the fastener comprises a bolt and a nut, the head of the bolt is arranged on the left side plate, and the end part of a screw rod of the bolt penetrates through the left side plate, the left clamping seat, the right clamping seat and the seat rod and then is arranged in an upper hole of the right side plate to be connected with the nut.

Under the above-mentioned fastener structure, the equipment is convenient, is convenient for adjust the saddle height simultaneously.

The second aspect of the present application provides a baby walker, comprising the above frame assembly, which simplifies the structure of the baby walker.

Further, still include the handlebar subassembly, be equipped with the mount pad on the upper portion of front fork, the mount pad is vertical on the one side of frame, the rotary type sets up the connecting piece, connecting piece and connected to the frame, and is provided with the projection on the face of connecting piece orientation mount pad, establishes the spacing groove on the corresponding mount pad, and the projection tip is located the spacing inslot and with the spacing projection of cell wall, upwards makes the front fork do limited rotation relative to the frame at the level.

This handlebar subassembly increases mount pad and connecting piece structure to the rotation angle of the spacing front fork of projection cooperation spacing groove reduces the risk of overturning, or wrist etc. sprains, cooperation frame subassembly structure, and whole walker structure is simplified, and is with low costs, is convenient for reduce weight simultaneously.

Furthermore, the front fork comprises a left fork plate and a right fork plate which are parallel to each other, a fixed mounting seat is arranged in an upper area between the left fork plate and the right fork plate, the left fork plate and the right fork plate are connected into a whole, a handlebar is arranged on the outer side surface of the left fork plate and the right fork plate, a front wheel is arranged in a lower area between the left fork plate and the right fork plate, the structure is redesigned, and the assembly is convenient.

Preferably, the mounting seat faces one side of the frame, the upper end and the lower end of the mounting seat extend outwards in the radial direction to form end plates, a connecting shaft is longitudinally arranged between the end plates and penetrates through the connecting piece in a rotating fit mode, the structure is simplified, the cost is reduced, and the assembly is facilitated.

Furthermore, the surface of the mounting seat facing the frame is in a grid shape, and the middle part of the mounting seat is provided with a limiting groove, so that the structure is simplified, and the weight of the part is reduced on the premise of maintaining the stable structure.

Preferably, the upper end part and the lower end part of the mounting seat are respectively fixed with the upper end cover and the lower end cover, so that the structural stability is improved.

Furthermore, the connecting piece is a cylinder, a fixing plate is arranged on the side surface of the cylinder, the front ends of the left side plate and the right side plate are fixedly connected with the fixing plate, a convex column is arranged on the other side opposite to the fixing plate, and the fixing plate is butted with the frame, so that the assembly is convenient.

Furthermore, the groove wall of the limiting groove is used for limiting the convex column, when the front fork is positioned at the tail end of the rotating stroke, a gap exists between the surface of the front fork, which is adjacent to the frame, and the hand clamping is avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this car frame subassembly simplifies the structure, but saddle height-adjusting.

2. The baby walker is simplified in overall structure, and risks of overturning, wrist twisting and the like are reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a block diagram of a vehicle frame assembly;

FIG. 2 is an exploded view of the vehicle frame assembly;

FIG. 3 is a first configuration of the toddler walker;

FIG. 4 is a second block diagram of the child walker;

FIG. 5 is a view of the vehicle handle assembly configuration;

FIG. 6 is a structural view of the present mount;

FIG. 7 is a block diagram of the present connector;

FIG. 8 is a view showing the mounting structure of the mounting base;

FIG. 9 is a longitudinal sectional structural view of FIG. 5;

FIG. 10 is a block diagram of the vehicle handle assembly engaged with the front wheels;

wherein the reference numerals are:

1. 100, a left fork plate; 200. a right fork plate; 300. a mounting seat; 301. an upper end cover; 302. a lower end cover; 303. a limiting groove; 304. an end plate; 400. a connecting member; 401. a fixing plate; 402. a convex column; 403. a connecting shaft; 500. a handlebar; 600. a left side plate; 700. a right side plate; 800. a vehicle seat; 801. a base body; 802. a seat post; 900. a left clamping seat; 901. a right clamping seat; 902. a limiting column; 903. a bolt; 904. and (4) a nut.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Compared with the existing vehicle frame, the vehicle frame assembly has a simplified structure, as shown in fig. 1 and fig. 2, the vehicle seat 800 comprises a seat body 801 and a seat rod 802, the seat rod, such as a column body and a plate body, is fixed at the bottom of the seat body, the vehicle frame comprises a left side plate 600 and a right side plate 700, a left clamping seat 900 and a right clamping seat 901 are installed in the middle area between the left side plate and the right side plate, the seat rod in the vehicle seat is clamped and fixed by the left clamping seat and the right clamping seat in cooperation with fasteners, a plurality of through holes are formed in the seat rod from top to bottom, at least 2 fasteners are installed on the left side plate side by side, the other end parts of the fasteners penetrate through the left clamping seat, the through holes in the seat rod and the right clamping seat and then are connected with the right side plate, the left clamping seat, the seat rod and the left side plate are connected into a whole by the fasteners, when.

In practice, the front ends of the left and right side plates are abutted against the front fork, and the rear wheel is mounted in the rear end region between the left and right side plates.

In addition, the left side plate and the right side plate can adopt linear plate bodies or arc plate bodies.

Wherein, in order to improve stability, the relative face of left and right holder, vertically form two spacing posts 902 at least, for example in the upper and lower tip of face, also can adopt direct fixed spacing post such as welding, bolt certainly, when cooperating with the seat pole, spacing post is arranged in the through-hole of seat pole.

In order to simplify the structure, a linear through hole can be directly formed in the limiting column, the other end opening of the through hole is positioned on the other surface opposite to the clamping seat, the left side plate and the right side plate of the other end opening of the through hole face to form holes, and the fastening piece can directly penetrate through the through hole in the limiting column under the structure, so that the assembly is convenient.

Or the area outside the limiting column is provided with a hole for the fastener to pass through.

When the fastener is selected, the column body can be directly adopted to penetrate through the through hole, or a structure that the bolt is matched with the nut is selected, the head of the bolt is matched with the nut to be fastened, and the threaded column body can be adopted, and two ends of the threaded column body are meshed with the threaded holes of the left side plate and the right side plate.

Preferably, the head of the bolt 903 in the fastener is arranged outside the hole on the left side plate, the end part of the screw rod of the fastener is arranged in the hole on the right side plate after penetrating through the left side plate, the left clamping seat, the right clamping seat and the seat rod, a thread groove is formed in the end part of the screw rod, and the T-shaped nut 904 is screwed into the thread groove to fasten the multiple parts into a whole.

Simultaneously, this application file provides children's walker to improve the structure of handlebar subassembly, after the above-mentioned frame subassembly of cooperation, the structure of walker is simplified, and the function is diversified.

For example, most common handlebar assemblies in bicycles adopt a U-shaped fork rod to be matched with a head pipe to form a front fork, and the head pipe is provided with a handlebar structure, so that the turning angle of the handlebar in the structure is large, and children are easy to turn over or twist wrists under the condition of large turning angle due to insufficient body control capability, experience and the like.

In contrast, in the improved structure of the handle assembly, the mount is fixed to the upper portion of the front fork, and the mount is structured as shown in fig. 6, and the mount 300 is directly fixed to the head pipe in the conventional bicycle, and the fixing method may be welding, bolting, or the like.

It is preferable that the head pipe is omitted from the handle assembly for the purpose of simplifying the structure, and as shown in fig. 5, the left fork plate 100 and the right fork plate 200 are directly used to form the front fork, the mount 300 is fixed to the upper or middle region between the left and right fork plates by, for example, bolts, the handle 500 is fixed to the outer side surfaces of the top portions of the left and right fork plates, and the front wheel is mounted to the lower region between the left and right fork plates, so that the cost is reduced and the assembly is facilitated.

As shown in fig. 5, 7 and 9, a connecting element 400 is longitudinally and rotatably disposed on one side of the mounting seat facing the frame, the connecting element is abutted to the frame, a convex column 402 is fixed on the side of the connecting element facing the mounting seat, a limiting groove 303 is formed in the corresponding mounting seat, the end portion of the convex column is located in the limiting groove and is limited by the groove wall, fig. 5 directly shows that the upper end portion and the lower end portion of the mounting seat facing one side of the frame extend outwards to form end plates 304, a connecting shaft 403 is longitudinally fixed between the end plates and passes through an axial hole of the connecting shaft from the connecting element to form a rotation matching structure, under the structure, when a force application handlebar is used for driving the front fork to rotate horizontally upwards, when the front fork rotates to a certain angle, the groove wall of the limiting groove is abutted to the convex column for limiting, and the rotation angle of the front fork can.

Of course, fig. 5 shows the connecting member 400 as a cylinder, which may also have other configurations or shapes, such as a prism, a frustum, etc., and the connecting member is for conveniently abutting against the frame, as shown in fig. 7 and 5, a fixing plate 401 is formed on a surface of the cylinder facing the frame to fix the frame, such as fastening with a bolt, etc.

Besides, the convex column 402 can also adopt other structures such as prism, plate, etc. besides the cylinder.

In addition, the rotating fit structure of the mounting seat and the connecting piece can also be directly provided with a groove on the mounting seat surface, a connecting shaft is fixed between the upper groove wall and the lower groove wall, and meanwhile, the mounting seat is not limited to a rectangular body in the figure and can also adopt other shapes as required.

Example 1

Referring to fig. 1-4, in the present embodiment, the frame assembly includes a saddle 800 and a frame, wherein the saddle includes a seat body 801 and a seat post 802, a plate-shaped seat post is fixed at the bottom of the seat body, and a plurality of holes are longitudinally spaced on the seat post; the frame comprises a left side plate 600 and a right side plate 700, wherein a left clamping seat 900 and a right clamping seat 901 are arranged in the middle area between the left side plate and the right side plate, the opposite surfaces of the left clamping seat and the right clamping seat are respectively and integrally formed with the upper end part and the lower end part of a limiting column 902, a linear through hole is arranged in the limiting column, the other end opening of the through hole is positioned on the opposite surface of the clamping seat, and the left side plate and the right side plate which are opposite to the other end opening of the through hole are provided with holes.

The fastener adopts the following structure: the multi-part fastening device comprises a bolt and a nut, wherein the head of the bolt 903 is arranged outside an upper hole of a left side plate, the end part of a screw rod of the bolt is arranged in the upper hole of the right side plate after penetrating through an upper hole of the left side plate, a middle hole of a limiting column on a left clamping seat and an upper hole of a seat rod, a thread groove is formed in the end part of the screw rod, and a T-shaped nut 904 is screwed into the thread groove to fasten multiple parts into a whole.

During implementation, two fasteners are arranged side by side in the longitudinal direction and penetrate through the limiting column holes respectively, so that the saddle is prevented from rotating.

When the position is adjusted, the screw cap is unscrewed, the bolt is pulled out, the left and right clamping seats and the saddle can be taken up, and the fastening piece is used for fixing again after the height is adjusted.

In addition, the left and right side plates can be made of straight plate bodies as shown in fig. 4, or arc plate bodies as shown in fig. 3.

Example 2

This embodiment provides a baby walker, as shown in fig. 3-4, in which the front end of the frame is butted against the handlebar assembly, and the rear wheels are installed between the left and right side plates at the rear end.

Referring to fig. 5-10, the handlebar assembly, a front fork is composed of a left fork plate 100 and a right fork plate 200, a handlebar 500 is fixed on the outer side of the top of the left fork plate and the right fork plate, a mounting base 300 is fixed in the upper region between the left fork plate and the right fork plate, the handlebar assembly is fixed by bolts, and a front wheel is mounted in the lower region between the left fork plate and the right fork plate.

In this embodiment, the mounting seat faces the frame, the upper and lower end portions of the mounting seat are radially outwardly formed with end plates 304, a connecting shaft 403 is fixed between the end plates, the connecting member 400 is a cylinder, a hole is formed in the axial direction, and the connecting shaft penetrates through the axial hole of the cylinder to form a rotation fit structure.

In this embodiment, a fixing plate 401 is formed on the side of the cylinder facing the frame to be abutted to the frame in embodiment 1, that is, the fixing plate 401 is clamped between a left side plate 600 and a right side plate 700 and fastened by bolts, and a convex column 402 is formed on the other side opposite to the side where the fixing plate is located.

In addition, in order to simplify the structure and reduce the weight, the surface of the mounting seat facing the frame is in a grid shape, a limiting groove 303 is formed in the middle of the mounting seat, the mounting seat is hollowed out to be in a grid shape, materials are saved, and meanwhile, in order to improve the structural stability, the upper end cover 301 and the lower end cover 302 are respectively fixed on the upper end portion and the lower end portion of the mounting seat through bolts, so that the stability is improved.

In this embodiment, the length of projection, the width of spacing groove are adjusted, make the front fork when the rotation stroke is terminal, left fork board or right fork board still have the clearance with the frame, and the advantage lies in, avoids the phenomenon of tong to take place.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frame subassembly, includes frame, saddle, and the front end of frame is used for connecting the front fork, and the rear end is used for connecting the rear wheel, and the saddle includes pedestal and sits the pole, its characterized in that: the frame includes left and right side board, and the middle part region between left and right side board sets up left and right holder, sits the pole and goes up top-down and set up a plurality of through-holes to left and right holder centre gripping sits the pole, and sets up 2 fasteners on the left side board side by side at least, and the fastener other tip passes left holder, sits behind through-hole and the right holder on the pole and is connected with the right side board.

2. A frame assembly according to claim 1, wherein: the opposite surfaces of the left clamping seat and the right clamping seat are longitudinally provided with at least two limiting columns, and the limiting columns are arranged in the through holes of the seat rod.

3. A frame assembly according to claim 2, wherein: the limiting post is internally provided with a linear through hole, the other port of the through hole is positioned on the other surface opposite to the clamping seat, the left side plate and the right side plate which face the other port of the through hole are provided with holes, and the fastening piece penetrates through the through hole in the limiting post.

4. A frame assembly according to any of claims 1 to 3, wherein: the fastener comprises a bolt and a nut, the head of the bolt is arranged on the left side plate, and the end part of a screw rod of the fastener penetrates through the left side plate, the left clamping seat, the right clamping seat and the seat rod and then is arranged in an upper hole of the right side plate to be connected with the nut.

5. A walker for children comprising the frame assembly of any one of claims 1-4.

6. The walker of claim 5 wherein: still include the front fork subassembly, be equipped with the mount pad on the upper portion of front fork, the mount pad is vertical on the one side of frame, the rotary type sets up the connecting piece, connecting piece and connected to the frame, and is provided with the projection on the connecting piece face of mount pad, establishes the spacing groove on the corresponding mount pad, and the projection tip is located the spacing inslot and with the spacing projection of cell wall, upwards makes the relative frame of front fork do limited rotation at the level.

7. The walker of claim 6 wherein: the front fork comprises a left fork plate and a right fork plate which are parallel to each other, a mounting seat is fixedly arranged in the upper area between the left fork plate and the right fork plate and connects the left fork plate and the right fork plate into a whole, a handlebar is arranged on the outer side surface of the left fork plate and the right fork plate, and a front wheel is arranged in the lower area between the left fork plate and the right fork plate.

8. The walker of claim 7 wherein: the mounting seat faces to one side of the frame, the upper end and the lower end of the mounting seat extend outwards in the radial direction to form end plates, a connecting shaft is longitudinally arranged between the end plates, and the connecting shaft penetrates through the connecting piece and is in running fit with the connecting piece.

9. The walker of claim 6 wherein: the surface of the mounting seat facing the frame is in a grid shape, and a limiting groove is arranged in the middle of the mounting seat.

10. The walker of claim 9 wherein: the upper end part and the lower end part of the mounting seat are respectively fixed with an upper end cover and a lower end cover.

11. The walker of claim 6 wherein: the connecting piece is a cylinder, a fixing plate is arranged on the side surface of the cylinder, the front ends of the left side plate and the right side plate are fixedly connected with the fixing plate, and a convex column is arranged on the other side opposite to the front ends.

12. The walker of any one of claims 5-11 wherein: when the front fork is at the end of the rotation stroke, the surface of the front fork adjacent to the frame has a gap with the frame.