CN219008034U

CN219008034U - Finger-dialing assembly and scooter

Info

Publication number: CN219008034U
Application number: CN202320018089.9U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Ninebot Changzhou Technology Co Ltd
Current assignee: Ninebot Changzhou Technology Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-12
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a finger-poking assembly and a scooter, wherein the finger-poking assembly comprises a hugging sleeve, a fastening piece and a rotating handle, the hugging sleeve is suitable for being sleeved on a handle, the hugging sleeve is provided with a first end and a second end which are opposite in the circumferential direction, a movable gap is formed between the first end face and the second end face of the hugging sleeve, the fastening piece is connected with the first end and the second end of the hugging sleeve so that the hugging sleeve can be fastened on the handle, and the rotating handle is sleeved on the hugging sleeve and can rotate relative to the hugging sleeve between a first critical position and a second critical position. The finger assembly provided by the utility model has the advantages of convenience in assembly, and stable and reliable rotation of the rotating handle.

Description

Finger-dialing assembly and scooter

Technical Field

The utility model relates to the technical field of scooters, in particular to a finger-poking assembly and a scooter.

Background

In the related art, the finger is generally fixed on the handle bar through a metal hoop, and meanwhile, a rotating handle on the finger is rotatably arranged on the metal hoop through an injection molding piece, and limit rotation of the rotating handle is limited through the injection molding piece. However, when the pressing force of the rotating handle is too large, limit failure of the injection molding part is easily caused, meanwhile, extrusion interference between the metal hoop and the injection molding part is also easily caused by the convex elbow design of the metal hoop, and therefore clamping stagnation of the rotating handle is caused, and the use safety is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a finger assembly, which has the advantages of convenient assembly and stable and reliable rotation of the rotating handle.

The embodiment of the utility model also provides a scooter.

The finger dial assembly comprises a enclasping sleeve, a fastening piece and a rotating handle, wherein the enclasping sleeve is suitable for being sleeved on the handle and provided with a first end and a second end which are opposite in the circumferential direction, and a movable gap is formed between the first end face and the second end face of the enclasping sleeve; the fastener is connected with the first end and the second end of the enclasping sleeve so as to facilitate the enclasping sleeve to be fastened on the handle bar; the rotating handle sleeve is arranged on the enclasping sleeve and can rotate relative to the enclasping sleeve between a first critical position and a second critical position.

According to the finger dial assembly provided by the embodiment of the utility model, the fastening piece fastens the enclasping sleeve on the handle, the rotating handle is rotatably sleeved on the enclasping sleeve and has the first critical position and the second critical position, namely, the enclasping sleeve can limit the rotating handle in the rotating direction, and therefore, an injection molding piece for limiting is not required to be additionally arranged, and the finger dial assembly is convenient to assemble. Moreover, the outer peripheral surface of the enclasping sleeve is a circumferential surface, so that the enclasping sleeve can not be extruded and interfered with an injection molding piece, and the enclasping sleeve for limiting the rotation of the rotating handle is the same as the enclasping sleeve in the related technology and is a metal piece, so that the rotating handle can bear larger pressing force from the rotating handle without deformation and damage, and the rotation of the rotating handle is more stable and reliable.

In some embodiments, the first end surface of the enclasping sleeve is provided with a mounting hole, the outer circumferential surface of the enclasping sleeve is provided with a countersunk hole communicated with the mounting hole, the second end surface of the enclasping sleeve is provided with a threaded hole, the fastener is a threaded piece, the threaded piece passes through the mounting hole and is in threaded fit with the threaded hole, and the head of the threaded piece is matched in the countersunk hole.

In some embodiments, the thumb assembly further includes an elastic member connecting the hug sleeve and the handle, the elastic member urging the handle toward the first critical position.

In some embodiments, the end face of the hug sleeve is provided with a limit groove, the limit groove extends along the circumferential direction of the hug sleeve, wherein the rotating handle comprises a shell part, a connecting part and a limit part, and the shell is provided with a containing cavity for the hug sleeve to be matched with; the connecting part is positioned in the accommodating cavity and is connected with the shell part; the limiting part is positioned in the accommodating cavity and connected with the connecting part, the limiting part is spaced apart from the shell part, and the limiting part is in sliding fit in the limiting groove.

In some embodiments, the finger assembly further comprises a hall bracket, a hall piece and magnetic steel, wherein the hall bracket is clamped with the enclasping sleeve and is rotatably matched in the accommodating cavity; the Hall piece is arranged on the Hall bracket; the magnetic steel is installed on the connecting portion or the shell portion.

In some embodiments, the hall bracket comprises a supporting part, a guiding part and a clamping part, wherein the supporting part is rotatably matched in the accommodating cavity, and the supporting part is positioned at one side of the connecting part away from the hugging sleeve; the first end of the guide part is connected with the supporting part, a first guide groove is formed in the inner peripheral surface of the enclasping sleeve, the first guide groove extends along the axial direction of the enclasping sleeve and penetrates through the enclasping sleeve, and the guide part is in sliding fit in the first guide groove; the clamping part is connected with the second end of the guiding part, and is clamped on the end face of the enclasping sleeve, which is away from the supporting part.

In some embodiments, the finger assembly further comprises a support sleeve, a second guide groove is formed in the inner peripheral surface of the support sleeve, the second guide groove extends along the axial direction of the support sleeve and penetrates through the support sleeve, the guide portion is slidably matched in the second guide groove, the support sleeve is located in the containing cavity and clamped between the holding sleeve and the connecting portion, the elastic piece comprises a torsion spring, the torsion spring is located between the holding sleeve and the connecting portion and sleeved on the limiting portion and the support sleeve, a first end of the torsion spring is connected with the holding sleeve, and a second end of the torsion spring is connected with the connecting portion.

In some embodiments, the finger assembly further comprises a key, a mounting groove is formed in the outer peripheral surface of the housing part, and the key is matched in the mounting groove and is bonded with the housing part, or the key is secondarily molded on the housing part.

In some embodiments, the finger assembly further comprises a first cover plate and a second cover plate, wherein the first cover plate is clamped with the enclasping sleeve and positioned on one side of the enclasping sleeve, which is away from the supporting portion, and the second cover plate is clamped with the supporting portion and positioned on one side of the supporting portion, which is away from the supporting portion.

The scooter according to the embodiment of the utility model comprises the finger assembly according to any of the embodiments.

Technical advantages of the scooter according to the embodiment of the present utility model are the same as those of the finger assembly of the above embodiment, and will not be described here again.

Drawings

Fig. 1 is a schematic diagram of a dial assembly according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a dial assembly according to an embodiment of the present utility model.

Fig. 3 is another exploded view of a dial assembly according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of a thumb assembly at a hug sleeve according to an embodiment of the present utility model.

Fig. 5 is a side view of a dial assembly in which a second cover plate is hidden, according to an embodiment of the present utility model.

Reference numerals:

100. a dial assembly; 1. tightly holding the sleeve; 11. a mounting hole; 12. a countersunk hole; 13. a threaded hole; 14. a limit groove; 15. a first guide groove; 2. a fastener; 3. a rotating handle; 31. a housing portion; 311. a mounting groove; 32. a limit part; 33. a key; 4. a torsion spring; 5. a Hall bracket; 51. a support part; 52. a guide part; 53. a clamping part; 6. a Hall element; 7. magnetic steel; 8. a first cover plate; 9. a second cover plate; 10. a support sleeve; 101. and a second guide groove.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A fingering assembly 100 according to an embodiment of the present utility model is described below in conjunction with fig. 1-5.

The thumb assembly 100 according to an embodiment of the present utility model includes a hugging sleeve 1, a fastener 2, and a handle 3. The enclasping sleeve 1 is suitable for being sleeved on the handle, and is provided with a first end and a second end which are opposite in the circumferential direction, and a movable gap is formed between the first end face and the second end face of the enclasping sleeve 1. The fastener 2 connects the first end and the second end of the hugging sleeve 1 so that the hugging sleeve 1 is fastened on the handle bar. The rotating handle 3 is sleeved on the enclasping sleeve 1 and can rotate relative to the enclasping sleeve 1 between a first critical position and a second critical position.

According to the fingering assembly 100 of the embodiment of the utility model, the fastening piece 2 fastens the enclasping sleeve 1 on the handle, the rotating handle 3 is rotatably sleeved on the enclasping sleeve 1 and has a first critical position and a second critical position, namely, the enclasping sleeve 1 itself realizes the limit of the rotating handle 3 in the rotating direction, therefore, an injection molding part for limiting is not needed, and the fingering assembly 100 is convenient to assemble. Moreover, the outer peripheral surface of the enclasping sleeve 1 is a circumferential surface, so that extrusion interference with an injection molding piece is avoided, the enclasping sleeve 1 for limiting rotation of the rotating handle 3 is the same as the enclasping sleeve 1 in the related art and is a metal piece, and therefore larger pressing force from the rotating handle 3 can be born without deformation and damage, and the rotation of the rotating handle 3 is more stable and reliable.

It should be noted that, the size of the hug sleeve 1 matches with the corresponding handle size, when the fastener 2 connects the first end and the second end of the hug sleeve 1 to fasten the hug sleeve 1 on the corresponding handle, the outer circumferential surface of the hug sleeve 1 is substantially a circumferential surface, and therefore the rotating handle 3 can be coaxially and rotatably sleeved on the hug sleeve 1, and no injection molding part is required to be additionally arranged.

In some embodiments, as shown in fig. 4, a first end surface of the hug sleeve 1 is provided with a mounting hole 11, an outer circumferential surface of the hug sleeve 1 is provided with a counter bore 12 communicated with the mounting hole 11, and a second end surface of the hug sleeve 1 is provided with a threaded hole 13. The fastener 2 is a screw member which passes through the mounting hole 11 and is screw-fitted with the screw hole 13, and the head of the screw member is fitted in the counter bore 12.

Therefore, the enclasping sleeve 1 is simple and reliable to assemble and disassemble on the handle, and interference between the screw piece and the rotating handle 3 due to the fact that the screw piece protrudes out of the outer peripheral surface of the enclasping sleeve 1 is effectively avoided through the design of the countersunk hole 12.

Specifically, the screw member is a bolt, the threaded hole 13 penetrates through the hug sleeve 1, and the other end opening of the threaded hole 13 is formed in the outer peripheral surface of the hug sleeve 1.

In some embodiments, as shown in fig. 2 and 3, the thumb assembly 100 further includes an elastic member connecting the hug sleeve 1 and the knob 3, the elastic member urging the knob 3 toward the first critical position.

When the rotating handle 3 is positioned at the first critical position, the speed of the scooter is zero, and the rotating handle 3 rotates towards the second critical position, so that the speed-up operation of the scooter is realized. Meanwhile, after the pressing of the rotating handle 3 is released, the elastic piece automatically resets the rotating handle 3 to the first critical position, so that the running out of control of the scooter is effectively avoided, and the running safety of the scooter is ensured.

In some embodiments, as shown in fig. 2-4, the end surface of the hug sleeve 1 is provided with a limit groove 14, and the limit groove 14 extends along the circumferential direction of the hug sleeve 1. The rotating handle 3 comprises a shell 31, a connecting part and a limiting part 32, and the shell is provided with a containing cavity for the enclasping sleeve 1 to be matched. The connecting portion is located in the receiving chamber and is connected to the housing portion 31. The limiting part 32 is positioned in the accommodating cavity and connected with the connecting part, the limiting part 32 is spaced apart from the shell part 31, and the limiting part 32 is in sliding fit in the limiting groove 14.

The limiting groove 14 has a first end face and a second end face opposite to each other along the circumferential direction of the hugging sleeve 1, when the limiting portion 32 abuts against the first end face of the limiting groove 14, the rotating handle 3 is located at a first critical position, and when the limiting portion 32 abuts against the second end face of the limiting groove 14, the rotating handle 3 is located at a second critical position. Namely, the enclasping sleeve 1 realizes the limit of the counter-rotating handle 3 at the rotating angle, and the limit reliability is high.

Specifically, the two limiting grooves 14 are arranged at intervals along the circumferential direction of the hugging sleeve 1, and the two limiting parts 32 are correspondingly arranged at intervals along the circumferential direction of the shell part 31, so that the two limiting parts 32 are in sliding fit in the corresponding two limiting grooves 14, and the rotational limiting of the hugging sleeve 1 to the rotating handle 3 is more reliable.

In some embodiments, as shown in fig. 3 and 5, the finger dial assembly 100 further includes a hall bracket 5, a hall element 6 and a magnetic steel 7, where the hall bracket 5 is clamped with the hug sleeve 1 and rotatably matched in the accommodating cavity, the hall element 6 is installed on the hall bracket 5, and the magnetic steel 7 is installed on the connecting portion or the housing portion 31.

Therefore, when the rotary handle 3 rotates relative to the hugging sleeve 1, the magnetic steel 7 arranged on the shell part 31 or the connecting part rotates along with the rotary handle. Along with the rotation of the magnetic steel 7, the magnetic field intensity of the Hall piece 6 can change, the Hall piece 6 can detect the information of the magnetic field intensity change, and the main control board determines a speed regulation instruction given by a finger after finishing the processing of the information, so that the speed of the scooter is regulated.

In some embodiments, as shown in fig. 2 and 3, the hall bracket 5 includes a supporting portion 51, a guiding portion 52 and a clamping portion 53, where the supporting portion 51 is rotatably fitted in the accommodating cavity, and the supporting portion 51 is located on a side of the connecting portion facing away from the hug sleeve 1. The first end of the guide part 52 is connected with the supporting part 51, the inner peripheral surface of the enclasping sleeve 1 is provided with a first guide groove 15, the first guide groove 15 extends along the axial direction of the enclasping sleeve 1 and penetrates through the enclasping sleeve 1, and the guide part 52 is in sliding fit in the first guide groove 15. The clamping portion 53 is connected with the second end of the guiding portion 52, and the clamping portion 53 is clamped on the end face, away from the supporting portion 51, of the hug sleeve 1.

Therefore, after the Hall support 5 is clamped with the enclasping sleeve 1, the Hall support 5 is effectively prevented from being far away from the enclasping sleeve 1 in the axial direction. Meanwhile, the guide part 52 is matched with the first guide groove 15, so that the relative fixation of the Hall bracket 5 and the enclasping sleeve 1 in the circumferential direction is effectively ensured, and the structure of the finger assembly 100 is more stable and reliable.

Specifically, the hall element 6 is mounted on the supporting portion 51, the outer peripheral surface of the supporting portion 51 is matched with the outer peripheral surface of the accommodating cavity, and the supporting portion 51 is matched in the accommodating cavity to rotate the rotary handle 3 relative to the hall bracket 5.

In some embodiments, the fingerboard assembly 100 further includes a support sleeve 10, the inner circumferential surface of the support sleeve 10 is provided with a second guide groove 101, the second guide groove 101 extends along the axial direction of the support sleeve 10 and penetrates through the support sleeve 10, the guide portion 52 is slidably fitted in the second guide groove 101, and the support sleeve 10 is located in the accommodating cavity and is sandwiched between the clasping sleeve 1 and the connecting portion. The elastic piece comprises a torsion spring 4, the torsion spring 4 is positioned between the enclasping sleeve 1 and the connecting part and sleeved on the limiting part 32 and the supporting sleeve 10, the first end of the torsion spring 4 is connected with the enclasping sleeve 1, and the second end of the torsion spring 4 is connected with the connecting part.

That is, when the length of the guiding portion 52 is long, when the clamping portion 53 is clamped on the end face of the enclasping sleeve 1, which is away from the supporting portion 51, a trend of moving close to the supporting portion 51 is provided, at this time, the setting of the supporting sleeve 10 ensures that the enclasping sleeve 1 and the hall bracket 5 are relatively fixed in the axial direction, and meanwhile, the supporting sleeve 10 also provides the installation space of the torsion spring 4 in the accommodating cavity, so that the failure of the reset function of the torsion spring 4 caused by the extrusion of the torsion spring 4 by the enclasping sleeve 1 is effectively avoided.

Specifically, the cooperation of the second guide groove 101 and the guide portion 52 effectively ensures the relative fixation of the support sleeve 10, the hugging sleeve 1 and the hall bracket 5 in the circumferential direction. The outer peripheral surface of the supporting sleeve 10 is provided with an avoidance groove for accommodating the limiting part 32 of the rotating handle 3, namely, when the rotating handle 3 rotates relative to the supporting sleeve 10, the limiting part 32 on the rotating handle 3 is in sliding fit in the avoidance groove, so that the interference of the supporting sleeve 10 to the rotation of the rotating handle 3 is avoided.

In some embodiments, as shown in fig. 3, the dial assembly 100 further includes a key 33, and the outer circumferential surface of the housing portion 31 is provided with a mounting groove 311, and the key 33 is fitted in the mounting groove 311 and adhered to the housing portion 31, or the key 33 is injection-molded on the housing portion 31.

The key 33 is provided with anti-skid patterns, and a user can adjust the speed of the scooter by pressing the key 33. The installation of the installation groove 311, in combination with the adhesion between the housing portion 31 and the key 33, further ensures the connection strength and connection stability between the key 33 and the housing portion 31.

In some embodiments, as shown in fig. 1-3, the dial assembly 100 further includes a first cover plate 8 and a second cover plate 9, where the first cover plate 8 is engaged with the hug sleeve 1 and located on a side of the hug sleeve 1 facing away from the supporting portion 51, and the second cover plate 9 is engaged with the supporting portion 51 and located on a side of the supporting portion 51 facing away from the supporting portion 51.

The arrangement of the first cover plate 8 and the second cover plate 9 can separate all parts in the accommodating cavity from the outside, so that the working reliability of the finger assembly 100 is effectively ensured, and the appearance attractiveness of the finger assembly 100 is higher.

Specifically, as shown in fig. 3, the hall element 6 is fixed between the second cover plate 9 and the supporting portion 51.

The walker according to the embodiment of the present utility model includes the dial assembly 100 according to any of the embodiments described above.

Technical advantages of the scooter according to the embodiment of the present utility model are the same as those of the dial assembly 100 of the above embodiment, and will not be described here again.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A dial assembly, comprising:

the enclasping sleeve is suitable for being sleeved on the handle and provided with a first end and a second end which are opposite in the circumferential direction, and a movable gap is formed between the first end face and the second end face of the enclasping sleeve;

the fastener is connected with the first end and the second end of the enclasping sleeve so as to facilitate the enclasping sleeve to be fastened on the handle; and

the rotating handle is sleeved on the enclasping sleeve and can rotate relative to the enclasping sleeve between a first critical position and a second critical position.

2. The fingering assembly according to claim 1, wherein a first end surface of the enclasping sleeve is provided with a mounting hole, a counter bore communicated with the mounting hole is formed in the outer peripheral surface of the enclasping sleeve, a threaded hole is formed in a second end surface of the enclasping sleeve, the fastener is a threaded member, the threaded member penetrates through the mounting hole and is in threaded fit with the threaded hole, and a head of the threaded member is fit in the counter bore.

3. The thumb assembly of claim 1 further comprising an elastic member connecting the hug sleeve and the handle, the elastic member urging the handle toward the first critical position.

4. The fingerboard assembly of claim 3, wherein an end surface of the hugging sleeve is provided with a limit groove extending circumferentially of the hugging sleeve, wherein the handle comprises:

the shell is provided with an accommodating cavity for the enclasping sleeve to be matched;

the connecting part is positioned in the accommodating cavity and is connected with the shell part; and

the limiting part is positioned in the accommodating cavity and connected with the connecting part, the limiting part is spaced apart from the shell part, and the limiting part is in sliding fit in the limiting groove.

5. The thumb assembly of claim 4, further comprising:

the Hall bracket is clamped with the enclasping sleeve and is rotatably matched in the accommodating cavity;

the Hall piece is arranged on the Hall bracket; and

and the magnetic steel is arranged at the connecting part or the shell part.

6. The thumb assembly of claim 5, wherein the hall bracket comprises:

the supporting part is rotatably matched in the accommodating cavity and is positioned at one side of the connecting part away from the enclasping sleeve;

the first end of the guide part is connected with the supporting part, a first guide groove is formed in the inner peripheral surface of the enclasping sleeve, the first guide groove extends along the axial direction of the enclasping sleeve and penetrates through the enclasping sleeve, and the guide part is in sliding fit in the first guide groove; and

the clamping part is connected with the second end of the guiding part, and is clamped on the end face of the enclasping sleeve, which is away from the supporting part.

7. The fingering assembly according to claim 6, further comprising a support sleeve, wherein a second guide groove is formed in an inner circumferential surface of the support sleeve, the second guide groove extends along an axial direction of the support sleeve and penetrates through the support sleeve, the guide portion is slidably fitted in the second guide groove, the support sleeve is located in the containing cavity and is clamped between the holding sleeve and the connecting portion, the elastic member comprises a torsion spring, the torsion spring is located between the holding sleeve and the connecting portion and is sleeved on the limiting portion and the support sleeve, a first end of the torsion spring is connected with the holding sleeve, and a second end of the torsion spring is connected with the connecting portion.

8. The thumb assembly of claim 4, further comprising a key, wherein the outer peripheral surface of the housing portion is provided with a mounting groove, wherein the key is fitted in the mounting groove and adhered to the housing portion, or wherein the key is over-molded on the housing portion.

9. The thumb assembly of claim 6, further comprising a first cover plate and a second cover plate, wherein the first cover plate is engaged with the hug sleeve and positioned on a side of the hug sleeve facing away from the support portion, and the second cover plate is engaged with the support portion and positioned on a side of the support portion facing away from the support portion.

10. A scooter comprising a dial assembly as claimed in any one of claims 1 to 9.