CN216034845U

CN216034845U - Waterproof structure for electric bicycle instrument

Info

Publication number: CN216034845U
Application number: CN202122604204.4U
Authority: CN
Inventors: 徐攀
Original assignee: Bafang Electric Suzhou Co Ltd
Current assignee: Bafang Electric Suzhou Co Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-15
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a waterproof structure for an electric moped instrument, which comprises an instrument lower cover, an instrument upper cover, a display screen, a USB PCB (universal serial bus) board, a USB interface and a USB protective sleeve, wherein the display screen is fixedly adhered on the instrument upper cover, the lower side edge of the instrument upper cover is welded on the instrument lower cover through ultrasonic waves, a containing cavity is formed between the instrument upper cover and the instrument lower cover, the USB PCB board is arranged in the containing cavity, the USB interface is welded on the USB PCB board, the USB interface penetrates out of a USB mounting hole in the instrument lower cover, the USB protective sleeve comprises a fixing part and a plug part which are integrally connected, the fixing part is fixed on the outer side of the instrument lower cover, the shape of the plug part is matched with that of the USB interface and the USB mounting hole, and the plug part is connected in the USB interface and the USB mounting hole in a plugging manner. The waterproof structure has the characteristics of good structural stability, convenience in manufacturing, low assembly cost and the like.

Description

Waterproof structure for electric bicycle instrument

Technical Field

The utility model relates to the technical field of electric moped, in particular to a waterproof structure for an instrument of an electric moped.

Background

The mobile phone becomes a necessary electronic product in daily life, and needs to be charged frequently in the using process. Especially, in the process of going out, the situation that the electric quantity is too low is troublesome. Based on above-mentioned demand, current electric bicycle is in order to adapt to the different demands of riding passerby, and the last instrument of electric bicycle except can showing information such as electric quantity, the speed of a motor vehicle, is convenient for ride passerby and looks over, has still add the USB interface at the instrument lower cover, can be used for the emergent charging of electronic product such as cell-phone. The USB interface occupies a larger space relative to the whole instrument, and water is allowed to enter the USB interface under the conventional condition, so that special waterproof treatment is not needed, and only the whole surface glue inside the instrument is waterproof, therefore, other electronic components or circuit boards cannot be arranged in the space inside the instrument close to the USB interface, and the space is wasted; even if water is excessively fed, the normal use of other devices or circuit boards in the instrument can be affected.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a waterproof structure for an electric moped instrument.

The technical scheme adopted for solving the technical problems is as follows: a waterproof structure for an electric moped instrument comprises an instrument lower cover, an instrument upper cover, a display screen, a USB PCB (universal serial bus) board, a USB interface and a USB protective sleeve, wherein the display screen is fixedly adhered to the instrument upper cover, and the lower side edge of the instrument upper cover is welded on the instrument lower cover through ultrasonic waves to play a waterproof role; the USB protective sleeve comprises a fixing part and a plug part which are integrally connected, and the fixing part is fixed on the outer side of the lower meter cover in a screw locking mode to play a waterproof role; the plug part is matched with the USB interface and the USB mounting hole in shape, and the plug part is connected in the USB interface and the USB mounting hole in a plugging mode. After the USB interface is waterproof, electronic elements can be arranged on two sides of the USB interface, and the space is fully utilized.

Further, in order to automatically adjust the brightness of the screen according to the ambient light, a photosensitive hole is formed in the lower cover of the instrument, and a photosensitive transparent sheet is welded on the photosensitive hole through ultrasonic waves. The waterproof of the photosensitive hole is realized by welding the photosensitive transparent sheet on the photosensitive hole. The main control PCB board at the inner side of the photosensitive hole is provided with a photosensitive element for receiving the light intensity in the photosensitive hole, so that the brightness of the display screen is adjusted through the control unit on the main control PCB board.

Further, for improving waterproof effect, the outer fringe of cock portion is equipped with the protection limit along circumference, the instrument lower cover surface in the USB mounting hole outside encircles the periphery of USB mounting hole and is equipped with the first recess that matches with protection limit shape, just the size on protection limit is greater than the opening size of USB mounting hole, guarantees to get up the whole cover of USB mounting hole, during the assembly, inserts the cock portion in the USB interface, then in the first recess of protection limit embedding, the binding face of protection limit and first recess forms sealed face to play water-proof effects.

Furthermore, the height of the protective edge is the same as that of the first groove, so that the protective edge and the first groove are flush, and the appearance is more attractive.

Further, for the installation of the USB protective sheath of convenience, the lower surface of instrument lower cover is equipped with the second recess, during the assembly, in the fixed part embedding second recess, and the one end of keeping away from the jam portion passes through the fix with screw in the second recess.

Because the USB protective sheath adopts be silica gel, has certain elasticity, directly adopts the easy perk of screw fixation or makes the screw deviate from in the USB protective sheath, consequently, in order to improve the fastness, still include the gasket, form the rigidity through the gasket and support, compress tightly fixedly with the USB protective sheath, the end of fixed part is equipped with the step face that highly is the same with gasket thickness, on the step face was arranged in to the gasket, compressed tightly the end of fixed part in the second recess through the gasket.

Further, in order to improve waterproof nature, still be equipped with between the binding face of USB interface and USB protective sheath and be used for the sealed silica gel cover.

Furthermore, the thickness sum of the gasket and the tail end of the fixing part is the same as the depth of the second groove, so that the flush of the rear surface of the installation is ensured, and the appearance is more attractive.

Further, it still is equipped with the master control PCB board to hold the intracavity, the master control PCB board sets up in USB PCB board top, and passes through the screw fixation on the support column in the instrument lower cover.

Further, in order to facilitate installation of the display screen, a window is arranged on the upper cover of the instrument, an annular boss is arranged on the edge of the inner side of the window, and the display screen is fixed on the annular boss in the window.

The utility model has the beneficial effects that: the utility model provides a waterproof structure for an electric moped instrument, which adopts a multi-region waterproof mode that: (1) dispensing the display screen to the upper cover of the instrument to form a waterproof structure; (2) the photosensitive transparent sheet is welded on the lower cover of the instrument through ultrasonic waves to form a waterproof structure; (3) the USB PCB is assembled in the lower cover of the instrument to be a waterproof structure after being sleeved with the silica gel sleeve; (4) the assembled upper cover part of the instrument and the assembled lower cover part of the instrument are welded together through ultrasonic waves to achieve a waterproof effect. The waterproof structure has the characteristics of stable structure, convenient manufacture, low assembly cost and the like, and has considerable economical efficiency and practicability; in addition, the waterproof property at the USB interface is improved, and glue is not needed to be dispensed.

Drawings

The utility model is further illustrated by the following figures and examples.

Fig. 1 is a schematic diagram of the explosive structure of the meter of the present invention.

Fig. 2 is a schematic view of the inverted configuration of the meter of the present invention.

Fig. 3 is a schematic sectional structure of the meter according to the present invention (USB boot omitted).

Fig. 4 is a schematic structural view of the meter lower cover and the USB PCB board.

FIG. 5 is a schematic structural diagram of a USB PCB and a silicone sleeve.

Fig. 6 is a schematic structural diagram of the USB boot.

In the figure: 1. the instrument comprises a screw, 2, a gasket, 3, a USB protective sleeve, 31, a fixing part, 32, a plug part, 33, a step surface, 34, a protective edge, 4, an instrument lower cover, 5, a photosensitive transparent sheet, 6, a USB PCB, 7, a screw, 8, a main control PCB, 9, an instrument upper cover, 10, a display screen, 11, a photosensitive hole, 12, a support column, 13, a containing cavity, 14, a USB interface, 15 and a silica gel sleeve.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1-6, the waterproof structure for the electric bicycle instrument comprises an instrument lower cover 4, an instrument upper cover 9, a display screen 10, a USB PCB 6, a USB interface 14 and a USB protective sleeve 3, wherein the display screen 10 is fixed on the instrument upper cover 9 by adhesion, in order to facilitate installation of the display screen 10, a window is arranged on the instrument upper cover 9, an annular boss is arranged at the edge of the inner side of the window, and the display screen 10 is fixed on the annular boss in the window. The lower side edge of the upper meter cover 9 is welded on the lower meter cover 4 through ultrasonic waves, so that a waterproof effect is achieved; form between instrument upper cover 9 and the instrument lower cover 4 and hold chamber 13, USB PCB board 6 sets up and is holding in the chamber 13, it still is equipped with main control PCB board 8 in the chamber 13 to hold, main control PCB board 8 sets up in USB PCB board 6 top, and fixes on support column 12 in the instrument lower cover 4 through screw 7, and support column 12 that is used for supporting main control PCB board 8 in this embodiment has 4, sets up respectively on four angular positions of instrument lower cover 4, and support column 12's height can be adjusted according to the inside height of device. The instrument lower cover 4 is also provided with 4 support columns 12 for supporting the USB PCB 6, the USB PCB 6 is also arranged on the support columns 12 through screws 7, a USB interface 14 is welded on the USB PCB 6, the USB interface 14 penetrates out of a USB mounting hole on the instrument lower cover 4, the USB protective sleeve 3 comprises a fixing part 31 and a plug part 32 which are integrally connected, and the fixing part 31 is fixed on the outer side of the instrument lower cover 4 in a locking mode through the screws 7 to play a waterproof role; the plug part 32 is matched with the USB interface 14 and the USB mounting hole in shape, and the plug part 32 is connected in the USB interface 14 and the USB mounting hole in a plugging mode. The outer fringe of cock portion 32 is equipped with protective edge 34 along circumference, the instrument lower cover 4 surface outside the USB mounting hole is equipped with the first recess that matches with protective edge 34 shape around the periphery of USB mounting hole, just protective edge 34's size is greater than the opening size of USB mounting hole, guarantees to get up the whole cover of USB mounting hole, during the assembly, inserts in USB interface 14 cock portion 32, then in the first recess of protective edge 34 embedding, the binding face of protective edge 34 and first recess forms sealed face to play water-proof effects. The height of the protective edge 34 is the same as that of the first groove, so that the protective edge and the first groove are flush, and the appearance is more attractive. In order to facilitate the installation of the USB protective sleeve 3, the lower surface of the lower meter cover 4 is provided with a second groove, and during the assembly, the fixing portion 31 is embedded into the second groove, and the end far away from the plug portion 32 is fixed in the second groove by the screw 1.

In order to automatically adjust the brightness of the screen according to the ambient light, a photosensitive hole 11 is formed in the lower cover 4 of the instrument, and a photosensitive transparent sheet 5 is welded on the photosensitive hole 11 through ultrasonic waves. Waterproofing at the photosensitive hole 11 is achieved by welding the photosensitive transparent sheet 5 on the photosensitive hole 11. The main control PCB board 8 inside the photosensitive hole 11 is provided with a photosensitive element to receive the light intensity in the photosensitive hole 11, so that the brightness of the display screen 10 is adjusted by the control unit on the main control PCB board 8.

As shown in fig. 6, since the USB protection sleeve 3 is made of silicone rubber, has a certain elasticity, and is directly fixed by the screw 1, such that the screw 1 is easily tilted or the screw 1 is disengaged from the USB protection sleeve 3, in order to improve the firmness, the USB protection sleeve further includes a gasket 2, the gasket 2 forms a rigid support to compress and fix the USB protection sleeve 3, the end of the fixing portion 31 is provided with a step surface 33 having a height equal to the thickness of the gasket 2, the gasket 2 is placed on the step surface 33, and the end of the fixing portion 31 is compressed in the second groove by the gasket 2. In order to improve the waterproof performance, a silica gel sleeve 15 for sealing is further arranged between the joint surface of the USB interface 14 and the USB protective sleeve 3. The thickness sum of the gasket 2 and the tail end of the fixing part 31 is the same as the depth of the second groove, so that the flush of the rear surface of the installation is ensured, and the appearance is more attractive.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a waterproof construction for electric bicycle instrument which characterized in that: including instrument lower cover, instrument upper cover, display screen, USB PCB board, USB interface and USB protective sheath, the display screen adhesive bonding is covered on the instrument, instrument upper cover downside edge is covered under the instrument through ultrasonic welding, it holds the chamber to form between instrument upper cover and the instrument lower cover, USB PCB board sets up and is holding the intracavity, just the welding of USB interface is on USB PCB board, the USB interface is worn out in following the USB mounting hole that the instrument covered under, the USB protective sheath includes the fixed part and the cock portion of an organic whole connection, the outside at the instrument lower cover is fixed to the fixed part, the shape and the USB interface and the USB mounting hole of cock portion match, the plug portion plug is connected in USB interface and USB mounting hole.

2. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: the instrument lower cover is provided with a photosensitive hole, and a photosensitive transparent sheet is welded on the photosensitive hole through ultrasonic waves.

3. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: the outer fringe of cock portion is equipped with the protection limit along circumference, the instrument lower cover surface in the USB mounting hole outside encircles the periphery of USB mounting hole and is equipped with the first recess that matches with protection limit shape, just when the opening size assembly that the size of protection limit is greater than the USB mounting hole, inserts the cock portion in the USB interface, then in the first recess of protection limit embedding.

4. The waterproof structure for an electric scooter instrument as claimed in claim 3, wherein: the height of the protective edge is the same as that of the first groove.

5. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: the lower surface of the lower cover of the instrument is provided with a second groove, and during assembly, the fixing part is embedded into the second groove, and one end far away from the plug part is fixed in the second groove through a screw.

6. The waterproof structure for an electric scooter instrument as claimed in claim 5, wherein: the tail end of the fixing part is provided with a step surface with the height being the same as the thickness of the gasket, the gasket is arranged on the step surface, and the tail end of the fixing part is pressed in the second groove through the gasket.

7. The waterproof structure for an electric scooter instrument as claimed in claim 6, wherein: the sum of the thicknesses of the gasket and the tail end of the fixing part is the same as the depth of the second groove.

8. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: and a silica gel sleeve for sealing is also arranged between the binding surface of the USB interface and the binding surface of the USB protective sleeve.

9. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: the holding cavity is also provided with a main control PCB board, the main control PCB board is arranged above the USB PCB board and is fixed on a support column in the lower cover of the instrument through screws.

10. The waterproof structure for an electric scooter instrument as claimed in claim 1, wherein: still be equipped with the window on the instrument upper cover, the edge of window inboard is equipped with annular boss, the display screen is fixed on the annular boss in the window.