CN219042249U

CN219042249U - Sealing element, shell, controller and scooter

Info

Publication number: CN219042249U
Application number: CN202222759084.XU
Authority: CN
Inventors: 崔奇兵; 丁志磊; 石安心; 张骞
Original assignee: Nanbo Hangzhou Technology Co ltd
Current assignee: Nanbo Hangzhou Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-05-16
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a sealing element, a shell, a controller and a scooter, wherein the sealing element comprises an annular part and a rib part, the annular part is provided with a threading hole and a slot, the threading hole and the slot penetrate through the annular part along the thickness direction of the annular part, the slot communicates the surface of the annular part with the threading hole, and the slot is used for allowing a cable to pass through and is in interference fit with the threading hole; the rib part is arranged on the annular part and extends along the circumferential direction of the annular part to be closed, and the rib part is used for extrusion deformation to realize circumferential sealing of the sealing element. The sealing piece can realize circumferential sealing and cable sealing simultaneously, meets the sealing requirement of a controller, simplifies a waterproof sealing structure and reduces the sealing cost.

Description

Sealing element, shell, controller and scooter

Technical Field

The utility model relates to the technical field of sealing, in particular to a sealing element, a shell applying the sealing element, a controller applying the shell and a scooter.

Background

Scooter such as electric scooter, balance car etc. are favored by more and more consumers because of convenient operation and easy storage. The controller is arranged on the scooter, the existing controller mainly depends on the outside of the whole scooter to realize waterproof design, and the controller does not normally carry out waterproof treatment, so that the scooter is complex in waterproof structure and high in cost.

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 the sealing element, which can realize circumferential sealing and cable sealing at the same time, meets the sealing requirement of a controller, simplifies a waterproof sealing structure and reduces the sealing cost.

The embodiment of the utility model also provides a shell applying the sealing element.

The embodiment of the utility model also provides a controller applying the shell.

The embodiment of the utility model also provides a scooter applying the controller.

The sealing element of the embodiment of the utility model comprises:

the cable threading device comprises an annular part, a wire threading hole and a slot, wherein the annular part is provided with the wire threading hole and the slot, the wire threading hole and the slot penetrate through the annular part along the thickness direction of the annular part, the slot is used for communicating the surface of the annular part with the wire threading hole, and the slot is used for allowing a cable to pass through and enabling the cable to be in interference fit with the wire threading hole;

and the rib part is arranged on the annular part and extends to be closed along the circumferential direction of the annular part, and is used for extrusion deformation to realize circumferential sealing of the sealing element.

The sealing element can realize circumferential sealing and cable sealing simultaneously, meets the sealing requirement of a controller, simplifies a waterproof sealing structure and reduces sealing cost.

In some embodiments, the annular portion has a first side and a second side that are oppositely disposed along a height direction of the annular portion, the rib portion is provided on the first side, the slot communicates the first side and the threading hole, and the second side is provided with a limit groove that extends along a circumferential direction of the annular portion and is used for embedding a part of the housing.

In some embodiments, the annular portion is provided with a plurality of protruding portions protruding toward the second side, the plurality of protruding portions are arranged at intervals along the circumferential direction of the annular portion, the plurality of limiting grooves are formed, and the plurality of limiting grooves are arranged on the plurality of protruding portions in a one-to-one correspondence manner.

In some embodiments, the threading holes are divided into a plurality of hole groups, and the hole groups are arranged on the protruding parts in a one-to-one correspondence manner.

In some embodiments, the annular portion is provided with a plurality of step grooves, the plurality of step grooves and the plurality of protruding portions are alternately arranged one by one along the circumferential direction of the annular portion, and the step grooves are suitable for being embedded by part of the housing.

In some embodiments, the annular portion is provided with a plurality of avoidance grooves, the plurality of avoidance grooves are arranged at intervals along the circumferential direction of the annular portion, and the avoidance grooves are used for avoiding the buckle of the shell.

In some embodiments, the annular portion is provided with a plurality of mounting holes, the plurality of mounting holes are arranged at intervals along the circumferential direction of the annular portion, and each mounting hole penetrates through the annular portion along the height direction of the annular portion, and the mounting holes are used for allowing a fastener to pass through.

The housing of an embodiment of the present utility model includes a first housing, a second housing, and a seal member according to any one of the above embodiments, the seal member being sandwiched between the first housing and the second housing, the bead being press-fitted with one of the first housing and the second housing.

In some embodiments, the first shell and the second shell are removably secured by a snap and/or fastener.

The controller of an embodiment of the utility model comprises a housing as described in any of the embodiments above.

In some embodiments, the controller includes a circuit board and a plurality of cables, the circuit board is located in the second shell, be equipped with a plurality of on the annular portion the through wires hole and a plurality of the fluting, a plurality of the fluting with a plurality of through wires hole one-to-one intercommunication, a plurality of the cables all with the circuit board electrical connection, and a plurality of the interference fit of cable one-to-one is in a plurality of in the through wires hole, every all fill in the fluting has the sealant.

In some embodiments, the controller includes a heat conductive member, a boss is disposed in the second housing, the heat conductive member is fixed to the boss, and the circuit board is press-fastened to the heat conductive member.

In some embodiments, the first housing is provided with a post that can extend into the second housing to press and fix the circuit board to the heat conductive member.

The scooter of the embodiment of the utility model comprises the controller in any of the above embodiments.

Drawings

Fig. 1 is a schematic perspective view of a seal according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a controller according to an embodiment of the present utility model.

Fig. 3 is an exploded schematic view of the controller of fig. 2.

Fig. 4 is a schematic top view of the controller of fig. 2.

Fig. 5 is a schematic cross-sectional view of the controller of fig. 2.

Fig. 6 is an enlarged partial schematic view at a in fig. 5.

Fig. 7 is a schematic cross-sectional view of the controller of fig. 2.

Fig. 8 is a schematic view of the cable of fig. 7 fitted into the threading hole.

Reference numerals:

a seal 100;

an annular portion 1; a projection 11; an avoidance groove 12; a mounting hole 13; a step groove 14;

a rib part 2;

a threading hole 3;

slotting 4;

a limit groove 5;

a housing 200; a first case 201; a second housing 202; a clasp 203; a boss 204; a columnar portion 205;

a cable 300;

a circuit board 400;

a heat conductive member 500;

and a sealant 600.

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.

As shown in fig. 1, the material of the seal member 100 according to the embodiment of the present utility model may be silica gel, rubber, etc., and the seal member 100 may include an annular portion 1 and a rib portion 2.

The annular portion 1 is provided with a threading hole 3 and a slot 4, the threading hole 3 and the slot 4 penetrate through the annular portion 1 along the thickness direction of the annular portion 1, the slot 4 is used for communicating the surface of the annular portion 1 with the threading hole 3, and the slot 4 is used for allowing the cable 300 to pass through and enabling the cable 300 to be in interference fit in the threading hole 3.

For example, as shown in fig. 1, the annular portion 1 may be substantially square, and a plurality of threading holes 3 and a plurality of slots 4 may be provided on both the front side wall and the rear side wall of the annular portion 1, wherein the plurality of threading holes 3 and the plurality of slots 4 on the front side wall of the annular portion 1 penetrate the front side wall in the front-rear direction, and the plurality of threading holes 3 and the plurality of slots 4 on the rear side wall of the annular portion 1 also penetrate the rear side wall in the front-rear direction.

The grooves 4 can be arranged above the threading holes 3 in a one-to-one correspondence manner, the groove depth direction of each groove 4 can be the up-down direction, and each groove 4 can be communicated with the upper surface of the annular part 1 and the corresponding threading hole 3.

When the cable 300 is used, the cable 300 can be transversely inserted into the slot 4, then the cable 300 can be moved into the corresponding threading hole 3 along the depth direction of the slot 4, and the peripheral side of the cable 300 can be sealed through interference fit between the cable 300 and the wall of the threading hole 3.

The rib 2 is provided on the annular portion 1 and extends along the circumferential direction of the annular portion 1 to be closed, and the rib 2 is used for extrusion deformation to realize circumferential sealing of the seal 100. For example, as shown in fig. 1, the rib 2 may be integrally formed with the annular portion 1, and the rib 2 may be provided on the upper surface of the annular portion 1 and extend in the circumferential direction of the annular portion 1 to be closed in one turn.

When the sealing element 100 is used, the sealing element 100 can be clamped between two parts of the shell, wherein the rib part 2 can be in fit contact with the upper half part of the shell, so that circumferential sealing of an area surrounded by the sealing element 100 can be realized, the cable 300 in the shell can be penetrated out through the threading hole 3, and the sealing of the peripheral side of the cable 300 can be realized by interference fit of the sealing element 100 and the cable 300.

The sealing element 100 of the embodiment of the utility model can be used for a controller and the like, when the sealing element is used, a cable 300 penetrating through the controller can be matched in the threading hole 3, and the sealing of the peripheral side of the cable 300 can be realized in an interference fit mode, and the rib part 2 can be clamped between two parts of the shell, so that the circumferential sealing between two independent parts of the shell can be realized, the sealing requirement of the controller and the like is met, the sealing can be realized through one sealing element 100, the waterproof sealing structure is simplified, and the sealing cost is reduced.

In some embodiments, the annular portion 1 has a first side and a second side which are oppositely arranged along the height direction of the annular portion 1, the rib portion 2 is arranged on the first side, the slot 4 communicates the first side with the threading hole 3, the second side is provided with a limit slot 5, and the limit slot 5 extends along the circumferential direction of the annular portion 1 and is used for embedding part of the housing.

For example, as shown in fig. 1, the first side may be an upper surface of the annular portion 1, the rib portion 2 may be integrally formed on the upper surface of the annular portion 1, the slot 4 may be disposed above the corresponding threading hole 3, and a slot depth direction of the slot 4 may extend substantially along the up-down direction. In use, the cable 300 may first be inserted laterally into the slot 4 and then the cable 300 may be pressed downwardly so that the cable 300 may be fitted into the threading hole 3.

The second side may be the lower surface of the annular portion 1, the limit groove 5 may be provided on the lower surface of the annular portion 1, the notch of the limit groove 5 may be arranged downward and the limit groove 5 extends along the circumferential direction of the annular portion 1. When the sealing device is used, the limiting groove 5 can be used for embedding the shell wall of the part of the shell, so that the sealing element 100 and the part of the shell can be assembled in a plugging manner, on one hand, the fixing and limiting effects can be achieved, and on the other hand, the assembly tightness can be enhanced.

In some embodiments, the annular portion 1 is provided with a plurality of protruding portions 11 protruding toward the second side, the plurality of protruding portions 11 are arranged at intervals along the circumferential direction of the annular portion 1, the plurality of limiting grooves 5 are provided, and the plurality of limiting grooves 5 are provided on the plurality of protruding portions 11 in a one-to-one correspondence.

For example, as shown in fig. 1, the protruding portion 11 may be substantially rectangular, and the protruding portion 11 may be integrally formed with the annular portion 1 and protrude downward of the annular portion 1. The limiting grooves 5 and the protruding portions 11 can be two, and the two limiting grooves 5 are correspondingly arranged on the lower surfaces of the two protruding portions 11 one by one. The housing matched with the sealing element 100 can be provided with a notch, and the protruding part 11 can be matched in the notch, so that on one hand, the circumferential limit assembly of the sealing element 100 and the housing can be realized, and on the other hand, enough arrangement space can be provided for the limit groove 5.

In some embodiments, the threading holes 3 are divided into a plurality of hole groups, and the hole groups are arranged on the plurality of protruding parts 11 in a one-to-one correspondence manner.

For example, as shown in fig. 1, there may be two hole groups, each hole group may include a plurality of threading holes 3, the protruding portion 11 on the annular portion 1 may also be provided with two hole groups, and the two hole groups may be respectively provided on the two protruding portions 11, so that the arrangement of the protruding portions 11 may provide an arrangement space for the arrangement of the threading holes 3, avoiding the situation that the whole of the annular portion 1 needs to be made higher in order to satisfy the arrangement of the threading holes 3, and reducing the use of materials and the cost.

In some embodiments, the annular portion 1 is provided with a plurality of step grooves 14, the plurality of step grooves 14 and the plurality of protruding portions 11 are alternately arranged one by one along the circumferential direction of the annular portion 1, and the step grooves 14 are adapted for partial housing insertion.

For example, as shown in fig. 1, the ring-shaped portion 1 may be square ring-shaped, and the ring-shaped portion 1 may include a front side wall, a rear side wall, a left side wall, and a right side wall, wherein the front side wall and the rear side wall may each be provided with a protruding portion 11, and the left side wall and the right side wall may each be provided with a stepped groove 14. As shown in fig. 6, a stepped groove 14 may be provided at the lower outer side of the ring portion 1, and a wall edge of the case may be fitted into the stepped groove 14 when the sealing member 100 is assembled, thereby achieving a limit and sealing enhancing effect.

In some embodiments, the annular portion 1 is provided with a plurality of avoidance grooves 12, the plurality of avoidance grooves 12 are arranged at intervals along the circumferential direction of the annular portion 1, and the avoidance grooves 12 are used for avoiding the buckle 203 of the housing.

For example, as shown in fig. 1 and fig. 2, the avoidance groove 12 may be disposed on the outer peripheral side of the annular portion 1 and penetrates the annular portion 1 along the up-down direction, the housing may include two relatively independent portions, and one portion of the housing may be provided with the buckle 203, the two portions of the housing may be connected and fixed by the buckle 203, and the avoidance groove 12 on the sealing element 100 may be used for embedding the buckle 203, so that interference between the sealing element 100 and the buckle 203 is avoided, and effects of hiding and circumferentially limiting the buckle 203 may be also achieved, so as to improve the assembly compactness.

In some embodiments, the annular portion 1 is provided with a plurality of mounting holes 13, the plurality of mounting holes 13 being arranged at intervals along the circumference of the annular portion 1, and each mounting hole 13 penetrating the annular portion 1 in the height direction of the annular portion 1, the mounting holes 13 being for passing fasteners.

For example, as shown in fig. 1, the annular portion 1 may be square annular, four mounting holes 13 may be provided, four mounting holes 13 may penetrate the annular portion 1 in the up-down direction, and four mounting holes 13 may be provided at four corner positions of the annular portion 1 in a one-to-one correspondence. The mounting holes 13 may be provided for bolts, screws, or the like to facilitate securing the seal 100 between two separate portions of the housing, and in other embodiments, to facilitate direct mounting and securing of the seal 100.

The following describes the case 200 of the embodiment of the present utility model.

The housing 200 of the embodiment of the present utility model includes the first housing 201, the second housing 202, and the seal member 100 may be the seal member 100 described in the above embodiment, the seal member 100 is sandwiched between the first housing 201 and the second housing 202 and the rib 2 is pressed against one of the first housing 201 and the second housing 202.

Specifically, as shown in fig. 2, 3 and 5, the first case 201 may be installed above the second case 202, the sealing member 100 may be clamped between the first case 201 and the second case 202, wherein the bead 2 of the sealing member 100 may be located at the upper surface of the sealing member 100, and when the first case 201 and the second case 202 are installed and fixed, as shown in fig. 5 and 6, the bead 2 may be deformed by pressing, so that circumferential sealing between the sealing member 100 and the first case 201 may be achieved, thereby securing the overall sealability of the case 200.

In some embodiments, the first shell 201 and the second shell 202 are removably secured by a snap 203 and/or fastener. For example, as shown in fig. 2 and 3, the first case 201 and the second case 202 may be simultaneously coupled and fixed by the snap 203 and the fastener, wherein the snap 203 may be fixed to the first case 201, the first case 201 and the second case 202 may be first pre-fixed by the snap 203 when being mounted, and then the first case 201 and the second case 202 may be mounted and fixed by the fastener, whereby the fixing effect of the first case 201 and the second case 202 may be ensured, and thus the sealing member 100 may be ensured to be sufficiently compressed and the sealing effect may be ensured.

The controller of the embodiment of the present utility model is described below.

The controller of the embodiment of the present utility model includes a housing 200, and the housing 200 may be the housing 200 described in the above embodiment.

In some embodiments, the controller includes a circuit board 400 and a plurality of cables 300, the circuit board 400 is disposed in the second shell 202, a plurality of threading holes 3 and a plurality of slots 4 are disposed on the annular portion 1, the plurality of slots 4 are in one-to-one correspondence with the plurality of threading holes 3, the plurality of cables 300 are electrically connected with the circuit board 400, and the plurality of cables 300 are in one-to-one interference fit in the plurality of threading holes 3, and each slot 4 is filled with the sealant 600.

For example, as shown in fig. 3, 7 and 8, the circuit board 400 may be fixed in the second housing 202 by a fastener, a plurality of female connectors may be provided on the circuit board 400, a male connector may be provided at an end of each cable 300, each cable 300 may be electrically connected to the circuit board 400 by a plug-in fit of the male connector and the female connector, each cable 300 may be threaded in a corresponding threading hole 3, and a peripheral seal of the cable 300 is achieved by an interference fit of the cable 300 and a wall of the threading hole 3.

After each cable 300 is embedded into the threading hole 3 from the slot 4, as shown in fig. 8, a sealant 600 may be filled in each slot 4, and the sealant 600 may be specifically waterproof, so as to realize sealing at the slot 4.

Therefore, on one hand, the distributed wiring of the cables 300 in the controller is realized, and the situation that the tightness is reduced due to the fact that a large gap exists in the middle of the cables 300 when a plurality of cables 300 are twisted together in the related art can be avoided; on the other hand, as the sealant 600 is only arranged in the slot 4, the situation that the sealing condition can be realized only by integral sealant filling in the controller in the related art is avoided, the installation is convenient, and convenience is provided for the later maintenance and inspection.

In addition, the waterproof structure of the cable 300 of the controller and the waterproof structure of the circumference of the shell 200 are integrated on one sealing piece 100, namely, the waterproof requirement of the controller can be ensured through one sealing piece 100, the waterproof structure is simple, the installation and the disassembly are convenient, and the overall design of the controller is simplified.

In some embodiments, the controller includes a heat conducting member 500, a boss 204 is disposed in the second housing 202, the heat conducting member 500 is fixed to the boss 204, and the circuit board 400 is pressed and fixed to the heat conducting member 500. For example, as shown in fig. 3, the boss 204 may be integrally formed in the second case 202, the boss 204 may be provided at the bottom of the second case 202 and may be a platform protruding upward, the heat conductive member 500 may be a heat conductive pad, and the heat conductive member 500 may be fixed on the upper surface of the boss 204 by means of adhesion.

The circuit board 400 can be arranged above the heat conducting piece 500, and the circuit board 400 can be fastened to the heat conducting piece 500 through the fastening piece in a pressing mode.

In some embodiments, the first case 201 is provided with a post 205, and the post 205 may extend into the second case 202 to press and fix the circuit board 400 to the heat conductive member 500. As shown in fig. 4 and 5, the columnar portion 205 may be integrally formed with the first shell 201, and the columnar portion 205 may be cylindrical and substantially extend along an up-down direction, when the first shell 201 and the second shell 202 are installed and fixed, the columnar portion 205 may be inserted into the second shell 202 and pressed against an upper surface of the circuit board 400, thereby ensuring that the circuit board 400 is always tightly attached to the heat conductive member 500, avoiding a situation that the circuit board 400 cannot be in good contact with the heat conductive member 500 due to temperature rise and deformation, and further ensuring a good heat dissipation effect of the circuit board 400.

The following describes a scooter according to an embodiment of the present utility model.

The scooter of the embodiment of the present utility model includes a controller, which may be the controller described in the above embodiment. The scooter can be an electric scooter, an electric bicycle, a balance car, an electric motorcycle and the like, and can be other scooter needing a controller.

The controller of the scooter provided by the embodiment of the utility model has good waterproof performance, and the situation that the controller in the related art does not have waterproof performance and the whole scooter is required to be subjected to waterproof design is abandoned, so that the whole structure of the scooter is simplified, the cost is reduced, and the economy and the use safety are improved.

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 seal, comprising:

2. The seal of claim 1, wherein the annular portion has a first side and a second side disposed opposite each other in a height direction of the annular portion, the bead portion is provided on the first side, the slot communicates the first side and the threading hole, and the second side is provided with a limit groove extending in a circumferential direction of the annular portion for partial housing insertion.

3. The sealing member according to claim 2, wherein the annular portion is provided with a plurality of protruding portions protruding toward the second side, the plurality of protruding portions are arranged at intervals along a circumferential direction of the annular portion, the plurality of limiting grooves are provided, and the plurality of limiting grooves are provided in a one-to-one correspondence with the plurality of protruding portions.

4. A seal according to claim 3, wherein said threading holes are plural and divided into plural hole groups, and plural of said hole groups are provided in one-to-one correspondence with plural of said protrusions.

5. A seal according to claim 3, wherein the annular portion is provided with a plurality of stepped grooves, the plurality of stepped grooves and the plurality of projecting portions being alternately arranged one by one along a circumferential direction of the annular portion, the stepped grooves being adapted for insertion of a part of the housing.

6. The seal of claim 1, wherein the annular portion is provided with a plurality of relief grooves, the plurality of relief grooves being spaced circumferentially along the annular portion, and the relief grooves being configured to relieve a snap fit of the housing.

7. The seal of any one of claims 1-5, wherein the annular portion is provided with a plurality of mounting holes, the plurality of mounting holes being spaced apart along a circumference of the annular portion, and each mounting hole extending through the annular portion along a height of the annular portion, the mounting holes being for a fastener to pass through.

8. A housing comprising a first shell, a second shell and a seal as claimed in any one of claims 1 to 7 sandwiched between the first shell and the second shell, the bead being in compression engagement with one of the first shell and the second shell.

9. The housing of claim 8, wherein the first and second shells are removably secured by a snap and/or fastener connection.

10. A controller comprising a housing as claimed in claim 9.

11. The controller of claim 10, comprising a circuit board and a plurality of cables, wherein the circuit board is arranged in the second shell, a plurality of threading holes and a plurality of slots are formed in the annular portion, the slots are in one-to-one correspondence with the threading holes, the cables are electrically connected with the circuit board, the cables are in one-to-one interference fit in the threading holes, and sealant is filled in each slot.

12. The controller of claim 11, comprising a thermally conductive member, wherein a boss is disposed within the second housing, wherein the thermally conductive member is secured to the boss, and wherein the circuit board is press-fastened to the thermally conductive member.

13. The controller of claim 12, wherein the first housing is provided with a post that extends into the second housing to press-fit the circuit board against the thermally conductive member.

14. A scooter comprising a controller as claimed in any one of claims 10 to 13.