CN215069729U

CN215069729U - Key structure for electric bicycle instrument

Info

Publication number: CN215069729U
Application number: CN202121331216.8U
Authority: CN
Inventors: 王清华; 王英喆; 徐攀; 杜永杰
Original assignee: Bafang Electric Suzhou Co Ltd
Current assignee: Bafang Electric Suzhou Co Ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-07
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a key structure for an electric bicycle instrument, which comprises an upper cover, a lower cover and a main key, wherein the upper cover is embedded into the lower cover, the upper cover and the lower cover are movably connected through a pin, and the upper cover can swing relative to the lower cover to ensure that pressing gaps at two ends are combined or opened; a first PCBA board is arranged in the upper cover, two key elements are symmetrically arranged on the first PCBA board, the first PCBA board can swing along with the upper cover, and when one of the key elements is pressed, the other key element is loosened; a main key is embedded in the lower side surface in the lower cover, the inner side surface of the main key is opposite to the second PCBA board, a main key element is arranged on the second PCBA board, and the main key presses the second PCBA board through the main key element; waterproof media are applied to the outer sides of the first PCBA and the second PCBA; the utility model discloses the assembly is simple, and structural stability is good, and water-proof effects is reliable, and equipment low cost has considerable economic nature.

Description

Key structure for electric bicycle instrument

Technical Field

The utility model belongs to the technical field of electric bicycle, concretely relates to button structure for electric bicycle instrument.

Background

With the popularization of intelligent wearable equipment, some riding equipment such as electric bicycles and mopeds are also provided with vehicle intelligent instrument panels to record parameters such as mileage, speed, time, calories and the like in the riding process, the instrument panels with higher intelligent degree can be connected with a vehicle control system, and functions such as headlight turning on, Bluetooth connection, maintenance prompting and the like are realized through the operation of the instrument panels; because the function of intelligence panel board is many, need use the button to select different functions, current electric bicycle instrument button structure is complicated, adopt the form that the display instrument dial plate combines a plurality of buttons to reach the purpose of selecting the function more, it can not have avoided blowing out the rain to ride outside, in order to guarantee life and stable demonstration under bad weather, the waterproof function must be compromise to the panel board of dress on electric bicycle, current loaded down with trivial details button design not only has the manufacturing technology difficulty in waterproof, and be not convenient for ride passerby's operation while riding, can influence passerby's special attention power to a certain extent, there is certain potential safety hazard.

Disclosure of Invention

To the problem and the technical demand, the utility model provides a button structure for electric bicycle instrument, its assembly is simple, and structural stability is good, and water-proof effects is reliable, and it is convenient to make, and equipment low cost has considerable economic nature.

The technical scheme of the utility model as follows: a key structure for an electric moped instrument comprises an upper cover, a lower cover and a main key, wherein the upper cover is embedded in the middle of the lower cover, a certain pressing gap is reserved at the edge of the upper cover and the lower cover, the upper cover and the lower cover are movably connected through a pin, the pin joint of the pin is positioned at the lower part of the central axis of the upper cover and the lower cover after embedding, pressing forces are applied to different areas on the surface of the upper cover in turn, and the upper cover can swing relative to the lower cover to enable the pressing gaps at two ends to be combined or opened; a first PCBA board is arranged in the upper cover, two key elements are symmetrically arranged on the first PCBA board, the first PCBA board can swing along with the upper cover, and when one of the key elements is pressed, the other key element is released; a main key is embedded in the lower side surface of the lower cover, the inner side surface of the main key is opposite to the second PCBA board, a main key element is arranged on the second PCBA board, and the main key presses the second PCBA board through the main key element; waterproof media are applied to the outer sides of the first PCBA board and the second PCBA board, so that the space in the upper cover, the space in the main key pressing position and the space in the lower cover are mutually sealed and isolated. In the scheme, the upper cover and the lower cover are movably connected through the pin, so that the upper cover can swing relative to the lower cover to control the opening and closing of the pressing gap, a structure similar to a seesaw is formed, the front end and the rear end of the upper cover are equivalent to two switches, and the first PCBA board can be pressed to work by pressing the front end and the rear end of the cover surface of the upper cover; the key structure directly arranges the two keys on the upper cover structure, so that the key structure of the instrument is greatly simplified, and the operation is more convenient.

Furthermore, two button components set up the lower surface at first PCBA board, and the button component parcel has the silica gel cover, and the lower cover internal fixation is equipped with two top stay blocks that extend to the middle part, and two top stay blocks support two silica gel covers respectively, form spacing and press the support to the button component in two silica gel covers. The front end and the rear end of the upper cover are pressed, the first PCBA board silica gel sleeve is in contact extrusion with the top supporting block, and the silica gel sleeve is soft, so that key elements in the silica gel sleeve can be extruded to finish data transmission work.

Furthermore, the first PCBA board is embedded in the lower edge of the upper cover to block the space in the upper cover, the lower surface of the first PCBA board and the surrounding space of the lower edge of the upper cover are filled with hard glue, and the hard glue fixes a silica gel sleeve sleeved outside the key element to isolate and seal the space in the upper cover and the space in the lower cover. The embedment ebonite has fixed first PCBA board, fixed silica gel cover and waterproof function simultaneously.

Further, the upper cover is made of organic glass, the nixie tube and the nixie tube sticker are further arranged in the upper cover, information displayed by the nixie tube sticker can be seen through the upper cover, and the nixie tube can emit LED (light emitting diode) light to light the display information of the nixie tube sticker.

Further, the main button is the rubber material, and the one end in the main button embedding lower cover is equipped with presses the lug, presses the lug and pastes main button component, and second PCBA board is hugged closely to main button component, and the main button outside embraces the scarf joint and is equipped with the ABS plastic casing, and the ABS plastic casing is fixed relatively with the lower cover, and the ABS plastic casing is including main button component and second PCBA board parcel, and ABS plastic casing port department embedment ebonite is sealed with the external world with fixed second PCBA board and messenger ABS plastic casing inner part.

Furthermore, the two sides of the ABS plastic shell are respectively provided with a positioning lug, the lower cover is internally and correspondingly provided with two vertical positioning columns, and the two positioning lugs are respectively in pin joint with the two positioning columns, so that the main key is positioned and fixed.

In the above scheme, the ABS plastic casing is relatively fixed with the lower cover through the pin joint mode, and the ABS plastic casing encircles the scarf joint with main button simultaneously, and this kind of mode not only is convenient for the equipment and the dismantlement of main button, reaches the purpose of location main button through this kind of mode moreover, and the effect of waterproof and fixed second PCBA board can be reached to the while ebonite embedment ABS port.

Furthermore, a sealing pipe communicated with the outside is hermetically arranged on the other side face, opposite to the main key, in the lower cover, and a connecting line between the first PCBA board and the second PCBA board penetrates through the waterproof medium and extends out of the lower cover through the sealing pipe.

Furthermore, a hard ring sleeve is tightly hooped on one section of the sealing pipe extending into the lower cover, and the sealing pipe is limited and locked in the lower cover by the hard ring sleeve, so that the sealing pipe is prevented from slipping off from the lower cover.

Furthermore, the middle parts of two opposite side edges of the lower edge of the upper cover are both downwards protruded, inner pin holes are formed in the protruded parts, outer pin holes are respectively formed in the lower parts of the two side surfaces of the lower cover, and the inner pin holes and the outer pin holes on the two sides are movably connected through pins.

Furthermore, the lower bottom surface of the lower cover is arc-shaped and concave, one end of the lower cover is hinged with the arc-shaped lock catch, and the other end of the lower cover is detachably connected with the arc-shaped lock catch through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses electric bicycle instrument upper cover and lower cover adopt movable pin joint to connect, fixed upper cover and lower cover, constitute a seesaw formula structure, both ends department can be pressed to open and shut around making the upper cover, form two operation buttons that are located the upper cover surface, the quantity of disconnect-type button has not only been reduced like this, make instrument overall structure simplify more, the user can directly press the operation to the upper cover capping in addition, the convenience is pressing the operation on the way of riding, the operation degree of difficulty reduces, the operation is humanized more.

2. The utility model discloses at first PCBA board and second PCBA board outside embedment ebonite respectively, make this three essential element of upper cover, lower cover and main button keep apart mutually sealed, make this instrument have splendid waterproof performance, can use under bad weather, long service life, the reliability is high.

3. The utility model discloses an assemble upper cover and main button to the lower cover in respectively, adopt detachable modes such as gomphosis and pin joint to connect when the equipment, do not use modes such as welding, sticky, this equipment that also makes this instrument is very simple, and the later stage of being convenient for is dismantled the maintenance and is changed the part.

Drawings

FIG. 1 is a front cross-sectional view of the utility model of a key structure for an electric bicycle instrument;

FIG. 2 is a schematic view of the assembly of the upper cover, the lower cover and the main button of the present invention;

FIG. 3 is a view showing the structure of the upper cover and the inner structure thereof;

FIG. 4 is an internal structure view of the main button of the present invention;

FIG. 5 is a perspective view of the middle and lower covers of the present invention;

fig. 6 is a side sectional view of the present invention;

labeled as: the key comprises an upper cover 1, a first PCBA board 11, a key element 12, a silica gel sleeve 13, a nixie tube 14, a nixie tube sticker 15, an inner pin hole 16, a lower cover 2, an ABS plastic shell 21, a positioning lug 22, a positioning column 23, an outer pin hole 24, a main key 3, a pressing lug 31, a second PCBA board 32, a main key element 33, a top support block 34, a pressing gap 4, hard glue 5, a connecting line 6, a sealing tube 7, a hard ring sleeve 71, a pin 8 and a lock catch 9.

Detailed Description

The invention is further described with reference to the following figures and examples.

Fig. 1-6 show the utility model relates to a button structure for electric bicycle instrument, including upper cover 1, lower cover 2 and main button 3, upper cover 1 gomphosis to the middle part in the lower cover 2, upper cover 1 leaves certain pressure clearance 4 with 2 edges of lower cover, through pin 8 swing joint between upper cover 1 and the lower cover 2, the lower part of

upper cover

1 and 2 axis of lower cover behind the gomphosis is located to pin 8 pin joint, and the pressing force is exerted to the different regions in upper cover 1 surface in turn, and upper cover 1 can swing for lower cover 2, makes the pressure clearance 4 of both ends department merge or open. Specifically, the middle parts of two opposite side edges of the lower edge of the upper cover 1 are both downwards protruded, inner pin holes 16 are formed in the protruded parts, the lower parts of two side surfaces of the lower cover 2 are respectively provided with an outer pin hole 24, and the inner pin holes 16 and the outer pin holes 24 positioned on two sides are movably connected through pins 8.

The upper cover 1 is made of organic glass, the nixie tube 14 and the nixie tube sticker 15 are arranged in the upper cover 1, information displayed by the nixie tube sticker 15 can be seen through the upper cover 1, and the nixie tube 14 can emit LED (light emitting diode) light to light the display information of the nixie tube sticker 15.

A first PCBA board 11 is further arranged in the upper cover 1, two key elements 12 are symmetrically arranged on the first PCBA board 11, and when one key element 12 is pressed along with the swinging of the upper cover 1, the other key element 12 is loosened; specifically, first PCBA board 11 inlays to be established in the lower limb of upper cover 1, forms the shutoff to the 1 inner space of upper cover, and two button elements 12 set up the lower surface at first PCBA board 11, and the outer parcel of button element 12 has silica gel cover 13, and embedment ebonite 5 in the lower surface of first PCBA board 11 and the enclosure space of the 1 lower limb of upper cover, ebonite 5 fix the silica gel cover 13 of cover outside button element 12, make 1 inner space of upper cover and 2 inner spaces of lower cover isolated sealed, reach waterproof requirement.

Two supporting blocks 34 extending to the middle part are fixedly arranged in the lower cover 2, the two supporting blocks 34 respectively support the two silica gel sleeves 13, and the key elements 12 in the two silica gel sleeves 13 are limited and supported in a pressing mode. The front end and the rear end of the upper cover 1 are pressed, the silica gel sleeve 13 of the first PCBA board 11 is in contact with the jacking block 34 for extrusion, and the silica gel sleeve 13 is soft, so that the key element 12 in the silica gel sleeve 13 can be extruded, and the data transmission work is completed.

The main key 3 is embedded in the lower side surface of the lower cover 2, the inner side surface of the main key 3 is opposite to the second PCBA board 32, a main key element 33 is arranged on the second PCBA board 32, and the main key 3 presses the second PCBA board 32 through the main key element 33; the main button 3 is rubber material, the one end of main button 3 embedding in the lower cover 2 is equipped with presses the lug 31, press the lug 31 and paste main button component 33, main button component 33 hugs closely second PCBA board 32, the main button 3 outside encircles the scarf joint and is equipped with ABS plastic casing 21, ABS plastic casing 21 and lower cover 2 relatively fixed, ABS plastic casing 21 wraps up including main button component 33 and second PCBA board 32, the embedment ebonite 5 of ABS plastic casing 21 port department is with fixed second PCBA board 32 and make ABS plastic casing 21 inner part and external sealing.

Two sides of the outside of the ABS plastic shell 21 are respectively provided with a positioning lug 22, two vertical positioning columns 23 are correspondingly arranged in the lower cover 2, and the two positioning lugs 22 are respectively connected with the two positioning columns 23 in a pin joint mode, so that the main key 3 is positioned and fixed.

The other side surface of the lower cover 2 opposite to the main key 3 is provided with a sealing tube 7 communicated with the outside in a sealing way, and the connecting line 6 on the first PCBA board 11 and the second PCBA board 32 penetrates through a waterproof medium, namely hard glue 5 and extends out of the lower cover 2 through the sealing tube 7. A hard ring sleeve 71 is tightly hooped on a section of the sealing tube 7 extending into the lower cover 2, and the hard ring sleeve 71 limits and locks the sealing tube 7 in the lower cover 2 to prevent the sealing tube 7 from slipping from the lower cover 2.

In order to fix the instrument on a handlebar, the lower bottom surface of the lower cover 2 is arc-shaped and concave, one end of the lower cover 2 is hinged with the arc-shaped lock catch 9, and the other end of the lower cover is detachably connected with the arc-shaped lock catch 9 through a bolt.

The utility model discloses an assembling process and theory of operation:

the assembly process is divided into three parts, firstly, the main key 3 is assembled, the second PCBA board 32 is assembled in the main key 3, the two connecting wires 6 are pulled out, the ABS plastic shell 21 is filled with the hard glue 5, the second PCBA board 32 is fixed and meets the waterproof requirement, the main key 3 is pressed from the outside, the pressing bump 31 is pressed to the second PCBA board 32 through the main key element 33, and the information transmission function is completed;

then the upper cover 1 part is assembled: the first PCBA board 11 covers the bottom of the upper cover 1, the silica gel sleeve 13 is sleeved on the key element 12 of the first PCBA board 11, the connecting wire 6 connected to the first PCBA board 11 is pulled out, then the outer side face of the first PCBA is filled with hard glue 5, the first PCBA board 11 and the silica gel sleeve 13 are fixed, and the waterproof requirement is met;

and finally, assembling the whole: the ABS plastic shell 21 fixedly connected with the main key 3 is arranged in two positioning columns 23 on the lower cover 2 through two positioning lugs 22 to achieve the function of fixing the position of the main key 3, the upper cover 1 is partially arranged in the lower cover 2, pins 8 at two sides are inserted to fix the upper cover 1 and the lower cover 2 to form a seesaw mode, after the front end of the upper cover 1 is pressed, the silica gel sleeve 13 below the first PCBA 11 is contacted with two supporting blocks 34 inside the lower cover 2, and the silica gel sleeve 13 is soft, so that the key element 12 inside the silica gel sleeve can be pressed to complete information transmission.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a button structure for electric bicycle instrument which characterized in that: the upper cover is embedded to the middle part in the lower cover, a certain pressing gap is reserved at the edge of the upper cover and the lower cover, the upper cover and the lower cover are movably connected through a pin, the pin joint of the pin is positioned at the lower part of the central axis of the upper cover and the lower cover after embedding, pressing force is applied to different areas of the surface of the upper cover in turn, and the upper cover can swing relative to the lower cover to enable the pressing gaps at two ends to be combined or opened; a first PCBA board is arranged in the upper cover, two key elements are symmetrically arranged on the first PCBA board, the first PCBA board can swing along with the upper cover, and when one of the key elements is pressed, the other key element is released; a main key is embedded in the lower side surface of the lower cover, the inner side surface of the main key is opposite to the second PCBA board, a main key element is arranged on the second PCBA board, and the main key presses the second PCBA board through the main key element; waterproof media are applied to the outer sides of the first PCBA board and the second PCBA board, so that the space in the upper cover, the space in the main key pressing position and the space in the lower cover are mutually sealed and isolated.

2. The key structure for an electric bicycle instrument as claimed in claim 1, wherein: the two key elements are arranged on the lower surface of the first PCBA board, the key elements are wrapped by silica gel sleeves, the lower cover is internally fixedly provided with two supporting blocks extending to the middle part, the two supporting blocks support the two silica gel sleeves respectively, and the key elements in the two silica gel sleeves are limited and supported in a pressing mode.

3. The key structure for an electric bicycle instrument as claimed in claim 2, wherein: the first PCBA board is embedded in the lower edge of the upper cover to block the space in the upper cover, the lower surface of the first PCBA board and the surrounding space of the lower edge of the upper cover are filled with hard glue, and the hard glue fixes a silica gel sleeve sleeved outside the key element to isolate and seal the space in the upper cover and the space in the lower cover.

4. The key structure for an electric bicycle instrument as claimed in claim 2, wherein: the upper cover is made of organic glass, the nixie tube and the nixie tube sticker are further arranged in the upper cover, information displayed by the nixie tube sticker can be seen through the upper cover, and the nixie tube can emit LED (light emitting diode) light to light the display information of the nixie tube sticker.

5. The key structure for an electric bicycle instrument as claimed in claim 1, wherein: the main button is the rubber material, and the one end in the main button embedding lower cover is equipped with presses the lug, presses the lug and pastes main button component, and second PCBA board is hugged closely to main button component, and the main button outside embraces the scarf joint and is equipped with the ABS plastic casing, and the ABS plastic casing is fixed relatively with the lower cover, and including the ABS plastic casing wraps up main button component and second PCBA board, ABS plastic casing port department embedment ebonite is sealed with the external world in order to fix second PCBA board and make ABS plastic casing inner part.

6. The key structure for an electric bicycle instrument as claimed in claim 5, wherein: the ABS plastic shell is characterized in that two positioning lugs are respectively arranged on two outer sides of the ABS plastic shell, two vertical positioning columns are correspondingly arranged in the lower cover, and the two positioning lugs are respectively in pin joint with the two positioning columns, so that the main key is positioned and fixed.

7. The key structure for an electric bicycle instrument as claimed in claim 1, wherein: and a sealing pipe communicated with the outside is hermetically arranged on the other side surface opposite to the main key in the lower cover, and a connecting wire on the first PCBA board and the second PCBA board penetrates through the waterproof medium and extends out of the lower cover through the sealing pipe.

8. The key structure for an electric bicycle meter according to claim 7, wherein: one section of the sealing tube extending into the lower cover is tightly hooped with a hard ring sleeve, and the hard ring sleeve limits and locks the sealing tube in the lower cover to prevent the sealing tube from sliding off from the lower cover.

9. The key structure for an electric bicycle instrument as claimed in claim 1, wherein: the middle parts of two opposite side edges of the lower edge of the upper cover are both downwards protruded, inner pin holes are formed in the protruded parts, outer pin holes are respectively formed in the lower parts of the two side surfaces of the lower cover, and the inner pin holes and the outer pin holes on the two sides are movably connected through pins.

10. The key structure for an electric bicycle instrument as claimed in claim 1, wherein: the lower bottom surface of the lower cover is arc-shaped and concave, one end of the lower cover is hinged with the arc-shaped lock catch, and the other end of the lower cover is detachably connected with the arc-shaped lock catch through a bolt.