WO2016180321A1

WO2016180321A1 - Water-proof structure for dynamic balancing vehicle

Info

Publication number: WO2016180321A1
Application number: PCT/CN2016/081581
Authority: WO
Inventors: 张珍源; 张辉; 王野
Original assignee: 纳恩博（北京）科技有限公司
Priority date: 2015-05-13
Filing date: 2016-05-10
Publication date: 2016-11-17
Also published as: CN204623189U

Abstract

A water-proof structure for a dynamic balancing vehicle. The dynamic balancing vehicle comprises a vehicle body (1), electronic-control component (3) disposed on the vehicle body (1) and performing control on the dynamic balancing vehicle, and a battery receptacle (2) disposed below the electronic-control component (3). A battery pack (9) is disposed in the battery receptacle (2). The water-proof structure is formed of the vehicle body (1) and the battery receptacle (2). The battery receptacle (2) comprises an upper shell (21) and a lower shell (22). The upper shell (21) and the lower shell (22) are connected to each other to form a sealed space for receiving the battery pack (9). The vehicle body (1) is connected to the upper shell (21), to form a receiving space for receiving the electronic-control component (3). A water-proof rubber ring (5) is disposed at a position of contact between the vehicle body (1) and the upper shell (21). When the vehicle body (1) and the upper shell (21) come into contact, the water-proof rubber ring (5) is pressed, and the pressed water-proof rubber ring (5) seals the receiving space. In the water-proof structure, the battery receptacle (2) and the vehicle body (1) are used to form a sealed space for receiving the electronic-control component (3), thereby reducing a quantity of materials and an assembling time, and also achieving a water-proof protection for the dynamic balancing vehicle.

Description

Waterproof structure for dynamic balance car

Technical field

The invention relates to a waterproof structure, in particular to a waterproof structure for a dynamic balance vehicle capable of saving a sealed space.

Background technique

With the strengthening of people's environmental awareness, the means of relying on electric energy-driven means has been widely developed, such as electric bicycles, electric balancing machines and other fields have been widely used. Specifically, a battery pack is typically configured to provide electrical energy and a corresponding electronic control component (including a drive and control unit, etc.) is provided to control travel of the vehicle. However, it is necessary to provide a high degree of protection for the battery pack and the electronic control components from the viewpoints of waterproofing and moisture resistance.

At present, relying on electric energy driven driving tools, such as electric balance vehicles driven by electric energy, waterproof protection is to place the electric control unit such as the driving and control unit together in a closed space, and the battery pack that supplies electric energy is separately placed in another In a confined space. In this way, it is necessary to specially design a sealed space for the electric control unit such as the driving and control unit and a sealed space for the battery pack to be placed on the vehicle body, so that at least two or more housings are required, and then assembled and sealed to be respectively placed. Electronic control unit and battery pack. For a vehicle like an electric balance car, the main feature is that it is small in size and easy to carry, and because the volume itself is small, if two or more installation spaces are separately provided to separately place the electronic control unit and the battery pack, the increase will be increased. The size of the vehicle is inconvenient for carrying. Moreover, the use of more than two installation spaces also leads to an increase in assembly time, which is time consuming and laborious, and is extremely uneconomical.

Therefore, it is highly desirable to provide a waterproof structure capable of reducing the sealed space in which the electronic control unit and the battery pack are mounted.

Summary of the invention

In order to solve the problems of the prior art, the present invention provides a waterproof structure for a dynamic balance vehicle that can save a sealed space to achieve waterproof protection of a dynamic balance vehicle.

The technical solution adopted by the embodiment of the present invention is as follows:

In an embodiment of the embodiment of the present invention, a waterproof structure for a dynamic balance vehicle is provided. The dynamic balance vehicle includes a vehicle body, an electronic control component disposed on the vehicle body to control the dynamic balance vehicle, and is disposed on the electronic control component. a lower battery compartment, the battery compartment including an upper casing and a lower casing, the upper casing and the lower casing together forming a sealed space for accommodating the battery pack, the vehicle body and the upper casing The body is connected to form an accommodating space for accommodating the electronic control component, and a position of the vehicle body contacting the upper casing is provided with a waterproof rubber ring, and when the vehicle body is in contact with the upper casing, The waterproof rubber ring forms an extrusion, and the anti-extrusion The water apron seals the accommodating space.

In an embodiment, the waterproof rubber ring is placed on the vehicle body or placed on the upper casing.

In an embodiment, the inner portion of the vehicle body is protruded with a protruding member facing the upper casing, and the upper casing is provided with a groove matching the protruding member, the waterproof rubber a ring is placed in the groove, and when the vehicle body is in contact with the upper casing, the protruding member presses the waterproof rubber ring in the groove and forms an interference with the waterproof rubber ring The water-resistant rubber ring that is pressed seals the accommodating space formed by the protruding member and the upper casing.

In an embodiment, a recess is formed in the interior of the vehicle body, and the upper casing is formed with a protruding member that cooperates with the recess, and the waterproof rubber ring is placed in the groove. When the vehicle body is in contact with the upper casing, the protruding member presses the waterproof rubber ring in the groove, and forms an interference fit with the waterproof rubber ring, and the waterproof rubber is pressed The ring seals the accommodating space formed by the protruding member and the upper casing.

In an embodiment, the inner portion of the vehicle body is protruded with a protruding member facing the upper casing, and the waterproof rubber ring is placed on the protruding member, the vehicle body and the upper casing The contact member presses the waterproof rubber ring on the upper casing, and the waterproof rubber ring that is pressed seals the accommodating space formed by the protruding member and the upper casing.

In an embodiment, the vehicle body has an end portion in contact with the upper casing, the waterproof rubber ring is disposed on the end portion, and the vehicle body passes through the upper casing The end portion presses the waterproof rubber ring, and the pressed waterproof rubber ring seals an accommodation space formed by the vehicle body and the upper casing.

In an embodiment, the upper casing has an end portion in contact with the vehicle body, and the waterproof rubber ring is disposed on the end portion, and the vehicle body passes through the upper casing The end portion presses the waterproof rubber ring such that the vehicle body and the upper housing together form the second sealed space.

In an embodiment, the lower housing and the upper housing are joined together by a fused ultrasonic wire.

In an embodiment, the abutment of the lower casing and the upper casing is provided with a convex stop, and the upper casing is provided with a concave stop that cooperates with the convex stop. Wherein, an ultrasonic line is disposed on at least one of the convex shape and the concave shape.

In an embodiment, the abutment of the lower casing and the upper casing is provided with a concave opening, and the upper casing is provided with a convex stop corresponding to the concave opening, wherein An ultrasonic line is disposed on at least one of the convex shape and the concave shape.

The technical solution provided by the embodiment of the present invention has the beneficial effects of forming a sealed space for sealing the electronic control unit and the battery pack by directly utilizing the vehicle body and the battery compartment, that is, directly using the battery compartment to the vehicle body. Waterproofing, this waterproof structure eliminates the need to separately provide more than two shells, avoiding the assembly of sealing space for more than two shells, effectively reducing the amount of materials and assembly man-hours, and also playing a related waterproof protection.

The above description is only an overview of the technical solutions of the present invention, and the above-described and other objects, features and advantages of the present invention can be more clearly understood. Specific embodiments of the invention are set forth below.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the following figures are merely some embodiments of the present invention, For the ordinary technicians, other drawings can be obtained based on these drawings without any creative work.

1 is a cross-sectional view showing a waterproof structure for a dynamic balance vehicle according to a first embodiment of the present invention;

2 is an enlarged schematic view of a portion A of the waterproof structure for the dynamic balance vehicle of FIG. 1;

Figure 3 is a cross-sectional view showing a waterproof structure for a dynamic balance vehicle according to a second embodiment of the present invention;

4 is an enlarged schematic view of a portion B of the waterproof structure for the dynamic balance vehicle of FIG. 3;

Figure 5 is a cross-sectional view showing a waterproof structure for a dynamic balance vehicle according to a third embodiment of the present invention;

Fig. 6 is an enlarged schematic view showing a portion C of the waterproof structure for the dynamic balance vehicle of Fig. 5.

detailed description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the embodiments of the present invention have been shown in the drawings, the embodiments Rather, these embodiments are provided so that this disclosure will be more fully understood and the scope of the disclosure will be fully disclosed.

The waterproof structure for the dynamic balance vehicle provided by the embodiment of the invention may include a vehicle body, an electronic control component disposed on the vehicle body to control the dynamic balance vehicle, a battery compartment disposed under the electronic control component, and a battery compartment A battery pack is provided, and the waterproof structure can be formed by the body of the balance car and the battery compartment. The battery compartment includes an upper casing and a lower casing, and the upper casing and the lower casing are connected to each other to form a sealed space for accommodating the battery pack, and the vehicle body is connected with the upper casing to form an accommodating space for accommodating the electronic control component. A waterproof rubber ring is disposed at a position where the body is in contact with the upper casing, and when the vehicle body is in contact with the upper casing, the waterproof rubber ring is pressed, and the pressed waterproof rubber ring seals the accommodating space to form The sealed space of the electronic control component is accommodated, and the waterproof rubber ring can be placed on the vehicle body or the battery compartment. That is, the waterproof structure of the embodiment of the present invention mainly utilizes the battery compartment to directly seal the electronic control component on the vehicle body, and the battery compartment and the vehicle body are provided by providing a waterproof rubber ring on the contact surface of the battery compartment and the vehicle body. The enclosed space can form an effective seal for the electronic control components Sealed space.

A dynamic balance vehicle having the waterproof structure of the present invention is a dynamic balance vehicle well known in the art, such as a two-wheeled dynamic balance vehicle well known in the art, which may include two wheels that are coaxially coaxial. A foot pedal is disposed between the two wheels, and the waterproof structure of the present invention is disposed under the footboard. For the specific structure of the two-wheeled dynamic balance car, see Application No. CN2014105032899 (publication date is May 6, 2015), CN201420341304X (publication date is October 22, 2014), CN201410504959 (publication date is December 24, 2014). The content disclosed in Japanese) will not be repeated here. In addition, it should be noted that the waterproof structure of the present invention is not limited to the dynamic balance vehicle, and can be applied to any vehicle driven by electric energy, such as an electric bicycle, a conventional electric vehicle, an electric dynamic balance vehicle, and the like. The waterproof structure of the present invention will be described below with reference to the accompanying drawings.

1 is a cross-sectional view showing a waterproof structure according to an embodiment of the present invention. FIG. 2 is an enlarged schematic view of a portion A of FIG. 1. FIG. As shown in FIGS. 1 and 2, the body 1 of the dynamic balance vehicle is connected to the upper casing 21 of the battery compartment 2 to form an accommodation space for accommodating the electronic control unit 3 with the upper casing 21, and the electronic control unit 3 is opposite. The body 1 balances the components that are controlled. The electronic control unit 3 can be fixed to the vehicle body 1 or to the upper housing 21 by means of a screw connection. The upper casing 21 and the lower casing 22 together form a sealed space for accommodating the battery pack 9, in which the structural member 10 for fixing the battery pack is disposed.

In order to form a sealed space for accommodating the electronic control unit 3, a protruding member 4 facing the upper casing is formed to protrude downwardly from the inside of the vehicle body 1, for example, a body can be integrally protruded downward from the vehicle body in the interior of the vehicle body 1. The entire radius of the bones, such that the vehicle body 1 and the upper casing 21 have two contact faces, one is the contact surface formed by the protruding member 4 and the outer end portion of the upper casing 21, and the other is the vehicle body 1 and the upper casing 21 Contact at the end. The upper casing 21 is provided with a groove 6 that cooperates with the protruding member 4. When assembled, the waterproof rubber ring 5 is placed in the groove 6. When the vehicle body 1 is in contact with the upper casing 21, the protruding member 4 is concave. The waterproof rubber ring 5 is squeezed in the groove 6 and forms an interference fit with the waterproof rubber ring 5, so that the space enclosed by the protruding member 4 and the upper casing 21 forms a closed sealed space, and the sealed space can be used for the electronic control component. 3 form a good waterproof and moisture proof protection. The vehicle body 1 and the upper casing 21 can be fixedly connected at the ends by a screw, a snap fit or a combination thereof. In the present embodiment, the shape of the waterproof rubber ring 5 is not particularly limited, and the cross-sectional shape thereof may be a circular, lip, square, O-shaped or the like.

In the present embodiment, the lower housing 22 and the upper housing 21 can be joined together by a fused ultrasonic line (not shown), and the upper housing 21 and the lower housing 22 are bonded by a fusible ultrasonic line. Together, the battery compartment 2 forms a completely enclosed sealed space, which provides a higher level of protection against the battery pack 9 housed in the sealed space, especially for waterproofing and moisture-proofing. Specifically, a convex end port 7 or a concave end port 8 may be disposed at an abutting portion of the lower case 22 and the upper case 21, and the upper case 21 is provided with a concave end port 8 that cooperates with the convex type end port 7, Or a convex stop 7 matched with the concave opening 8 is provided, wherein at least one of the convex stop 7 and the concave stop 8 is provided to fuse the upper casing 21 and the lower casing 22 Connected to the ultrasound line. In the present embodiment, only the upper casing 21 is shown to have a convex shaped opening 7 and the lower casing 22 has a concave shaped opening 8, and the ultrasonic line is disposed on the convex shaped opening 7. However, embodiments of the present invention are not limited thereto, and the convex stopper 7 may be disposed on the lower casing 22, and the concave stopper 8 may be disposed on the upper casing 21. Further, an ultrasonic thread may be provided in one of the convex stopper 7 and the concave stopper 8, or at the same time, the ultrasonic wire may be provided on the convex stopper 7 and the concave stopper 8. For the sake of simplicity, in the embodiment to be described later, the convex housing 7 is provided with a structure in which the upper casing 21 and the concave opening 8 are provided on the lower casing 22, and the ultrasonic wires are disposed on the convex stopper 7. Introduce. The upper casing 21 and the lower casing 22 are connected by a convex stopper and a concave stopper, so that the mounting misalignment and deformation can be prevented. Further, a waterproof rubber ring 5 may be provided at the abutment of the upper casing 21 and the lower casing 22. The rubber ring 5 may be disposed in the groove of the concave opening 8 to form a squeeze on the waterproof rubber ring 5 when the upper casing 21 and the lower casing 22 are bonded together by the convex stopper 7 and the concave stopper 8. The pressure causes the upper casing 21 and the lower casing 22 to form an interference fit, thereby further enhancing the sealing degree of the accommodation space formed by the upper casing 21 and the lower casing 22. Further, in the present embodiment, the structural member 10 encloses the heat shrinkable film of the battery pack 9 or the battery pack fixing member of the composite resin.

It is to be noted that the protruding member 4 may also be formed on the upper casing 21 instead of being formed on the vehicle body 1, and accordingly, the recess 6 is formed on the vehicle body 1. Further, the waterproof rubber ring 5 is not limited to being placed in the recess 6, but may be placed on the protruding member 4, for example, on the protruding member 4. The protruding member 4 is not limited to the rib structure, but may be other structures having a wide cross section.

3 is a cross-sectional view showing a waterproof structure of a second embodiment of the present invention; and FIG. 4 is an enlarged schematic view of a portion B of FIG. As shown in FIG. 3 and FIG. 4, the vehicle body 1 of the dynamic balance vehicle is connected to the upper casing 21 of the battery compartment 2 to form an accommodation space for accommodating the electronic control unit 3 with the upper casing 21, and the electronic control component 3 is paired. The body 1 balances the components that are controlled. The electronic control unit 3 can be fixed to the vehicle body 1 or to the upper housing 21 by means of a screw connection. The upper casing 21 and the lower casing 22 together form a sealed space for accommodating the battery pack 9, in which the structural member 10 for fixing the battery pack is disposed.

In the present embodiment, the waterproof structure is substantially the same as that of the above-described Embodiment 1, except that the groove 6 is not formed on the upper casing 21, and only the protruding member 4 is formed on the vehicle body 1, and the waterproof rubber ring 5 is placed at The protruding member 4 is bonded, for example, to the protruding member 4. In the waterproof structure of the embodiment, the waterproof rubber ring 5 is pressed on the upper casing 21 by the protruding member 4 in which the waterproof rubber ring 5 is placed, so that the accommodating space for completely sealing the electronic control component can be formed.

It should be noted that the protruding member can be formed only on the upper casing 21, and the waterproof rubber ring is disposed on the protruding member, and the waterproof rubber ring is pressed by the upper casing 21 and the vehicle body 1 to form the receiving electrical control component. Sealed space.

Figure 5 is a cross-sectional view showing a waterproof structure of a third embodiment of the present invention; and Figure 6 is an enlarged schematic view of a portion C of Figure 5 . As shown in FIGS. 5 and 6, the vehicle body 1 of the dynamic balance vehicle is connected to the upper casing 21 of the battery compartment 2 to form an accommodation space for accommodating the electronic control unit 3 with the upper casing 21, and the electronic control unit 3 is opposite. The body 1 balances the components that are controlled. The electronic control unit 3 can be fixed to the vehicle body 1 or to the upper housing 21 by means of a screw connection. Upper housing 21 Together with the lower casing 22, a sealed space for accommodating the battery pack 9 is provided, in which a structural member 10 for fixing the battery pack is disposed.

In the present embodiment, the waterproof structure is substantially the same as that of the above-described first embodiment, except that the recess 6 is not formed on the upper casing 21, and the protruding member 4 is not formed on the vehicle body 1, but passes through the vehicle body. 1 is connected to the end of the upper casing 21 to form an accommodation space, that is, a sealed space is formed by the structure of the vehicle body 1 and the battery compartment itself. Specifically, a waterproof rubber ring 5 is placed on the end of the vehicle body 1 that is in contact with the upper casing 21, for example, a waterproof rubber ring 5 is bonded to the end portion of the vehicle body 1. In the waterproof structure of the present embodiment, the waterproof rubber ring 5 is extruded on the upper casing 21 through the body 1 itself, that is, the portion in contact with the upper casing 21, thereby forming a space for completely sealing the electronic control unit 3. .

It should be noted that the waterproof rubber ring 5 can also be placed directly on the upper casing 21 instead of being placed on the vehicle body 1.

In summary, the embodiment of the present invention utilizes the battery compartment and the vehicle body of the dynamic balancing vehicle to form a sealed space for accommodating the electronic control component, and does not add other components. Moreover, when assembling, the waterproof rubber ring is placed on the battery compartment or the vehicle body with the electronic control component installed, and then the battery compartment is assembled on the vehicle body, which saves assembly man-hours, saves time and labor, and improves assembly efficiency and Economic benefits.

The above description illustrates and describes several preferred embodiments of the present invention, but as described above, it should be understood that the invention is not limited to the forms disclosed herein, and should not be construed as Other combinations, modifications, and environments are possible and can be modified by the above teachings or related art or knowledge within the scope of the inventive concept described herein. All changes and modifications made by those skilled in the art are intended to be within the scope of the appended claims.

Claims

A waterproof structure for a dynamic balance vehicle, the dynamic balance vehicle comprising a vehicle body, an electronic control component disposed on the vehicle body to control the dynamic balance vehicle, and a battery compartment disposed under the electronic control component, wherein the battery compartment is disposed There is a battery pack, the waterproof structure is formed by the vehicle body and the battery compartment, the battery compartment includes an upper casing and a lower casing, and the upper casing and the lower casing together form a accommodating house a sealed space of the battery pack, the vehicle body is connected to the upper casing to form an accommodating space for accommodating the electronic control component, and a waterproof rubber ring is disposed at a position where the vehicle body is in contact with the upper casing When the vehicle body is in contact with the upper casing, the waterproof rubber ring is pressed, and the pressed waterproof rubber ring seals the accommodating space.
The waterproof structure for a dynamic balance vehicle according to claim 1, wherein the waterproof rubber ring is placed on the vehicle body or placed on the upper casing.
The waterproof structure for a dynamic balance vehicle according to claim 2, wherein an inner protrusion of the vehicle body is formed with a protruding member facing the upper casing, and the upper casing is provided with the protruding member a matching groove, the waterproof rubber ring is placed in the groove, and when the vehicle body is in contact with the upper casing, the protruding member presses the waterproof rubber ring in the groove, and Forming an interference fit with the waterproof rubber ring, the pressed waterproof rubber ring sealing the accommodating space formed by the protruding member and the upper casing.
The waterproof structure for a dynamic balance vehicle according to claim 2, wherein a groove is formed inside the vehicle body, and the upper casing is formed with a protruding member that cooperates with the groove, the waterproof rubber ring When the vehicle body is in contact with the upper casing, the protruding member presses the waterproof rubber ring in the groove and forms an interference fit with the waterproof rubber ring. The waterproof apron that is pressed seals the accommodating space formed by the protruding member and the upper casing.
The waterproof structure for a dynamic balance vehicle according to claim 2, wherein an inner protrusion of the vehicle body is formed with a protruding member facing the upper casing, and the waterproof rubber ring is placed on the protruding member. When the vehicle body is in contact with the upper casing, the protruding member presses the waterproof rubber ring on the upper casing, and the pressed waterproof rubber ring seals the protruding member and the upper casing The space formed by the body.
The waterproof structure for a dynamic balance vehicle according to claim 2, wherein the vehicle body has an end portion in contact with the upper casing, and the waterproof rubber ring is disposed on the end portion, the vehicle body and When the upper casing contacts, the waterproof rubber ring is pressed by the end portion, and the waterproof rubber ring that is pressed seals the accommodating space formed by the vehicle body and the upper casing.
The waterproof structure for a dynamic balance vehicle according to claim 2, wherein the upper casing has an end portion in contact with the vehicle body, and the waterproof rubber ring is disposed on the end portion, the vehicle body and When the upper casing contacts, the waterproof rubber ring is pressed by the end portion, and the waterproof rubber ring that is pressed seals the accommodating space formed by the vehicle body and the upper casing.
The waterproof structure for a dynamic balance vehicle according to any one of claims 1 to 7, wherein the lower casing and the upper casing are joined together by a fused ultrasonic wire.
The waterproof structure for a dynamic balance vehicle according to claim 8, wherein abutment of the lower casing and the upper casing is provided with a convex stop, and the upper casing is provided with the convex shape a concave engagement port that cooperates with the mouth, wherein an ultrasonic line is disposed on at least one of the convex shape and the concave shape.
The waterproof structure for a dynamic balance vehicle according to claim 8, wherein abutment of the lower casing and the upper casing is provided with a concave opening, and the upper casing is provided with the concave stopper A mating male tongue, wherein an ultrasonic line is disposed on at least one of the male and female seats.