kinds of children's scooter
阅读说明：本技术 一种儿童滑板车 (kinds of children's scooter ) 是由 孔正华 张炜 赵留海 王凯 于 2019-12-02 设计创作，主要内容包括：本发明公开了一种儿童滑板车,包括车把组件、立柱、前轮、连接轴、后轮和底座,立柱包括上立柱和下立柱,上立柱的下部和下立柱的上部之间通过快拆结构连接,通过改变快拆上通孔的形状并匹配形状相适应的螺栓,使螺栓与卡接环之间不能相对转动,底座的中部位为包括上层底座和下层底座的双层结构,上层底座和下层底座之间安装有若干个均匀间隔排布的减震缓冲件和至少两个支撑缓冲件,每一减震缓冲件皆包括一个上固定柱、至少四个下固定柱和与下固定柱的数量相等的拉伸弹簧；所述支撑缓冲件是指外周套有压缩弹簧的橡胶柱。本发明能够实现滑板车的高度的调节,滑板车的底座还可以吸收行驶过程中的颠簸,提高行驶的安全性和舒适度。(The invention discloses an child scooter, which comprises a handlebar assembly, a stand column, a front wheel, a connecting shaft, a rear wheel and a base, wherein the stand column comprises an upper stand column and a lower stand column, the lower part of the upper stand column is connected with the upper part of the lower stand column through a quick-release structure, the bolt and a clamping ring cannot rotate relatively by changing the shape of a quick-release upper through hole and matching a bolt with a proper shape, the middle part of the base is of a double-layer structure comprising an upper layer base and a lower layer base, a plurality of damping buffers and at least two supporting buffers are uniformly arranged between the upper layer base and the lower layer base at intervals, each damping buffer comprises upper fixing columns, at least four lower fixing columns and stretching springs with the same number as the lower fixing columns, and the supporting buffers are rubber columns with compression springs sleeved on the peripheries.)
The children's scooter is characterized by comprising a handlebar assembly (1), a stand column (2), a front wheel (3), a connecting shaft (4), a rear wheel (5) and a base (6), wherein the handlebar assembly is installed at the upper end of the stand column, the base is installed at the lower end of the stand column, the connecting shaft is installed at the front end of the base, the front wheel is installed at two ends of the connecting shaft respectively, and the rear wheel is installed at the rear end of the base;
the upright post comprises an upper upright post (21) and a lower upright post (22), the lower part of the upper upright post is connected with the upper part of the lower upright post through a quick-release structure (7), the quick-release structure comprises a handle (71), a bolt (72) and a clamping ring (73), the clamping ring is provided with an opening (731), the clamping ring comprises a connecting part (732) close to the handle and a second connecting part (733) far away from the handle, the connecting part is provided with a through hole (7321), the second connecting part is provided with a second through hole (7331), the end of the bolt is rotatably connected with the handle, and the other end of the bolt penetrates through the through hole and the second through hole;
the bolt is provided with a -th rod section (721) at a position corresponding to the -th through hole, a second rod section (722) at a position corresponding to the second through hole, the -th rod section or the second rod section is a positioning section which is matched with the limiting through hole and has a non-circular cross section, and the positioning section penetrates through the limiting through hole and stops rotating;
the inner ring of the upper edge of the clamping ring is provided with a clamping part, and the clamping part is a plurality of clamping teeth (734) which are arranged at intervals and used for increasing the clamping force;
the base is of a double-layer structure comprising an upper base (61) and a lower base (62), a plurality of damping and buffering pieces (63) and at least two supporting and buffering pieces (64) which are uniformly distributed at intervals are arranged between the upper base and the lower base, each damping and buffering piece comprises upper fixing columns (631), at least four lower fixing columns (632) and tension springs (633) with the number equal to that of the lower fixing columns, all the lower fixing columns are centered on the upper fixing columns and uniformly distributed along the circumferential direction of the upper fixing columns, and each supporting and buffering piece is fixed on the upper base at the upper end and fixed on the lower base at the lower end;
the supporting and buffering part is a rubber column (642) with a compression spring (641) sleeved on the outer periphery;
the upper ends of the upper fixing columns are fixedly connected to the lower surface of the upper-layer base, the lower ends of all the lower fixing columns are fixedly connected to the upper surface of the lower-layer fixing base, and each lower fixing column is fixedly connected with the central fixing column through the extension spring.
2. The child scooter of claim 1, wherein: the clamping teeth are wedge-shaped teeth or rectangular teeth.
3. The child scooter of claim 1, wherein: the inner side surface of the clamping tooth is an arc surface matched with the outer surface of the upper upright post.
4. The child scooter of claim 1, wherein: the lower fixing columns are four, six or eight.
5. The child scooter of claim 1, wherein: the shock attenuation bolster is equipped with four, and is located respectively the center department and the four angle departments of base.
6. The child scooter of claim 1, wherein: the handlebar assembly comprises a transverse handle (11) and a handle sleeve (12), and the handle sleeve is arranged at two ends of the transverse handle.
7. The children's scooter of claim 6, wherein the handlebar is a hollow tube, the handlebar has th air holes (111) in the positions corresponding to the positions where the handlebar cover is installed, the handlebar cover has second air holes (121), the sizes of the th air holes and the second air holes are , the hole distance (D1) of the th air holes is larger than the hole diameter of the th air holes, and the hole distance (D2) of the second air holes is also larger than the hole diameter of the second air holes.
8. The child scooter of claim 1, wherein: the limiting through hole is a square hole.
9. The child scooter of claim 1, wherein: the quick-release structure further comprises a nut (735) for locking the bolt, and the bolt is provided with a thread matched with the nut.
10. The child scooter of claim 1, wherein: the second through hole is a limiting through hole, and the second rod section is a positioning section.
Technical Field
The invention belongs to the technical field of mechanical products, and particularly relates to types of scooters.
Background
The scooter is a novel product form of scooter motion following the traditional scooter, which is simple labor-saving motion machines, the children scooter is a children motion entertainment tool, which is more popular, children especially children 3-5 years old grow faster, therefore the height of the scooter is required to be adjusted, the existing locking structure for adjusting the scooter is mainly divided into a screw locking structure and a quick-release structure, the former is troublesome and can be adjusted by means of tools, the latter adopts a plurality of quick-release structures, the quick-release structure comprises threaded bolts, nuts for locking the bolts and handles installed on the bolts, the quick-release structure utilizes the principle of the cams to be mainly characterized in that the handles are used for primarily fixing the bolts, rotating shafts of the quick-release handles penetrate through holes in the bolt heads and can rotate relative to the bolts, the root parts of the handles are shaped into cams, and the cams are matched with handle seats, when the handles are in an opening state, the cams are in a minimum diameter state, and when the handles are rotated to a closing state, the cams are in a maximum diameter state, thereby achieving the purpose of locking.
However, the locking force of the current quick-release structure is insufficient, and after the locking, especially a child slips on the uneven ground or hollow ground, the bolt is easy to loose after a long time, the quick-release structure has the possibility of loosening, the risk that the scooter starts to be used when the handle is not rotated to the locking position exists, and the potential safety hazard of is existed.
Moreover, the cushioning performance of current scooter base is not good, when sliding to above-mentioned uneven ground or pit department, the base can produce very big vibrations for the unable deformation of scooter and the jolt of absorption travel in-process, when road surface condition is not good, cause the too early fatigue of user easily, influence safety traffic and comfort level.
Disclosure of Invention
The invention mainly solves the technical problem of providing kinds of children's scooters, which can realize the height adjustment of the scooter, and the base of the scooter can absorb jolts in the driving process, thereby improving the driving safety and comfort.
In order to solve the technical problems, the invention adopts technical schemes that children's scooters are provided, each scooter comprises a handlebar assembly, an upright post, a front wheel, a connecting shaft, a rear wheel and a base, the handlebar assembly is installed at the upper end of the upright post, the base is installed at the lower end of the upright post, the connecting shaft is installed at the front end of the base, the front wheel is respectively installed at two ends of the connecting shaft, the rear wheel is installed at the rear end of the base,
the quick-release structure comprises a handle, a bolt and a clamping ring, the clamping ring is provided with an opening and comprises a th connecting part close to the handle and a second connecting part far away from the handle, the connecting part is provided with a th through hole, the second connecting part is provided with a second through hole, the end of the bolt is rotatably connected with the handle, and the other end of the bolt penetrates through the th through hole and the second through hole;
the bolt is provided with a -th rod section at a position corresponding to the -th through hole, a second rod section at a position corresponding to the second through hole on the bolt, a -th rod section or a -th rod section is a positioning section which is matched with the limiting through hole and has a non-circular cross section, and the positioning section penetrates through the limiting through hole and stops rotating;
the inner ring of the upper edge of the clamping ring is provided with a clamping part, and the clamping part is a plurality of clamping teeth which are arranged at intervals and used for increasing the clamping force;
the base is of a double-layer structure comprising an upper base and a lower base, a plurality of damping buffers and at least two supporting buffers are uniformly arranged between the upper base and the lower base at intervals, each damping buffer comprises upper fixing columns, at least four lower fixing columns and extension springs with the same number as the lower fixing columns, all the lower fixing columns are centered on the upper fixing columns and are uniformly distributed along the circumferential direction of the upper fixing columns, and each supporting buffer is fixed on the upper base at the upper end and fixed on the lower base at the lower end;
the supporting buffer piece is a rubber column sleeved with a compression spring at the periphery;
the upper ends of the upper fixing columns are fixedly connected to the lower surface of the upper-layer base, the lower ends of all the lower fixing columns are fixedly connected to the upper surface of the lower-layer fixing base, and each lower fixing column is fixedly connected with the central fixing column through the extension spring.
, the gripping teeth are wedge shaped teeth or rectangular teeth.
, the inner side of the holding tooth is a circular arc surface matching with the outer surface of the upper upright post.
, the lower fixing posts are four, six or eight.
, four shock absorbing buffers are provided and located at the center and four corners of the base respectively.
, the handlebar assembly includes a handlebar and a handlebar sleeve mounted to both ends of the handlebar.
, the handlebar is a hollow tube, the handlebar has a plurality of rows of air holes corresponding to the positions where the handlebar cover is installed, the handlebar cover has a plurality of rows of second air holes, the sizes of the th air holes and the second air holes are , the hole distance of the th air holes is larger than the hole diameter of the th air holes, and the hole distance of the second air holes is also larger than the hole diameter of the second air holes.
, the limiting through hole is a square hole.
, the quick release structure further comprises a nut for locking the bolt, and the bolt is provided with a thread matching with the nut.
, the second through hole is a limit through hole, and the second rod section is a positioning section.
The invention has the beneficial effects that:
the scooter comprises a handlebar assembly, an upright post, a front wheel, a connecting shaft, a rear wheel and a base, wherein the upright post comprises an upper upright post and a lower upright post, the lower part of the upper upright post is connected with the upper part of the lower upright post through a quick-release structure, the bolt with a matched shape can not rotate relatively by changing the shape of a through hole in the quick-release structure, ensures that a handle can rotate to the same position and rotate to a locking position every time;
moreover, the base of the invention can provide the base with 4 directions of buffering in the horizontal direction through the damping and buffering piece consisting of the 4 extension springs connected with the upper fixed column fixed on the lower layer base and the lower fixed column fixed on the lower layer base, and in addition, the base also has a buffering function in the vertical direction of , so that the vibration can be effectively offset in the working process of the scooter, and the buffering effect is good;
moreover, the supporting buffer piece has a buffer effect in the vertical direction, so that a buffer function mainly in the vertical direction is provided for the scooter, and the shock absorption effect is further improved by ;
furthermore, the transverse handle can be a hollow pipe, the position of the transverse handle corresponding to the handle sleeve is provided with a plurality of rows of th air holes, the handle sleeve is provided with a plurality of rows of second air holes, the aperture sizes of the th air holes and the second air holes are , the hole spacing of the th air holes is larger than that of the th air holes, and the hole spacing of the second air holes is also larger than that of the second air holes.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic structural diagram of the quick release structure of the present invention;
FIG. 3 is a schematic view of the structure at the opening of the snap ring of the present invention;
FIG. 4 is a schematic structural view of the bolt of the present invention;
FIG. 5 is a schematic view of a portion of the base of the present invention;
FIG. 6 is a top view of the shock absorbing bumper of the present invention;
FIG. 7 is an exploded view of the handlebar and grip cover of the present invention (the arrow indicates the direction of insertion of the grip cover);
FIG. 8 is a second developed view of the handlebar and grip cover of the present invention (arrows indicate the direction of insertion of the grip cover);
the parts in the drawings are marked as follows:
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.
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