CN214411016U - Key structure of electric bicycle instrument - Google Patents

Abstract

The application provides a button structure of electric bicycle instrument, this button structure includes: lower cap, go up the cap and set up the button structure at the cap upside, the button structure includes: the pressing part, the fixing part and the connecting part connecting the pressing part and the fixing part; the pressing part, the fixing part and the connecting part are integrally formed plastic products, and the connecting part is of a thin-wall structure with the thickness smaller than that of the pressing part. Through pressing splenium, fixed part and connecting portion to set up to integrated into one piece's plastic products, and connecting portion are less than the thin-walled structure who presses the splenium for thickness, only need install the fixed part at the structural fixing that can realize pressing the splenium to at least two, and the difference presses can not mutual interference, press more nimble between the splenium.

Description

Key structure of electric bicycle instrument

Technical Field

The application relates to the field of electric bicycle parts, in particular to a key structure of an electric bicycle instrument.

Background

The electric bicycle instrument is used for displaying relevant motion parameters, gears and the like of the electric bicycle and is an essential part of the electric bicycle. When a rider rides a bicycle, the rider needs to hold both hands of the rider at two ends of a handlebar, and an electric bicycle display is usually arranged in the middle of the handlebar. Therefore, the button structure of split type setting that has the supporting use with display instrument among the prior art can be with this button structural mounting in the position that is close to the passerby hand to in the passerby of riding under the condition of not loosening the handlebar hand, through this button structural control electric bicycle, improve the security of riding.

Silica gel button is often used among the current button structure, but silica gel button appears pressing failure easily in long-time use, presses the lower problem of efficiency.

SUMMERY OF THE UTILITY MODEL

The application provides a button structure of electric bicycle instrument to solve among the prior art silica gel button and appear pressing failure easily in long-time use, press the lower problem of efficiency.

A button structure of an electric bicycle instrument comprises a lower shell cover, an upper shell cover and a PCB (printed Circuit Board) positioned between the lower shell cover and the upper shell cover, wherein the PCB is provided with a plurality of tact switches, and further comprises a button structure and a waterproof thimble; the button structure sets up go up the cap upside, the button structure includes: the pressing part, the fixing part and the connecting part connecting the pressing part and the fixing part; the pressing part, the fixing part and the connecting part are plastic products which are integrally formed, and the connecting part is of a thin-wall structure with the thickness smaller than that of the pressing part and the fixing part; the waterproof thimble runs through the upper shell cover, and the both ends of waterproof thimble butt respectively the bottom surface of dabbing the switch and pressing the portion.

In one embodiment, the thin-walled structure has a thickness of between 0.5 mm and 1.5 mm.

In one embodiment, the bottom surface of the fixing portion has a positioning column, and the top surface of the upper housing cover has a positioning hole corresponding to the positioning column.

In one embodiment, the waterproof thimble is sleeved with an O-shaped ring and a spring, and a split retainer ring is fixed at the tail part of the waterproof thimble.

In one embodiment, the number of the button structures is more than two, and the adjacent button structures are in snap connection.

In one embodiment, the key structure includes on-board terminals that pass through the lower housing cover and are electrically connected with the PCB board.

In one embodiment, the key structure comprises a hoop, and the hoop is arranged on the bottom surface of the lower shell cover in an openable and closable manner through a pin shaft.

Has the advantages that: in this application, through will pressing splenium, fixed part and connecting portion to set up to integrated into one piece's plastic products, and connecting portion are less than the thin-walled structure who presses the splenium for thickness, only need install the fixed part at the structural fixing that can realize pressing the splenium to at least two, and the difference can not interfere with each other, press more in a flexible way pressing between the splenium.

Drawings

Certain specific embodiments of the present application will hereinafter be described in detail by way of example and not limitation with reference to the accompanying drawings, in which like reference numerals identify the same or similar parts or features, and it will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is an overall perspective view of a key structure of an electric bicycle instrument according to an embodiment of the present application;

FIG. 2 is an exploded view of the key structure of the electric bicycle meter of FIG. 1;

FIG. 3 is a schematic perspective view of the button assembly shown in FIG. 1;

fig. 4 is a perspective view illustrating bending of the pressing portion of the button structure according to an embodiment.

Detailed Description

In order that the manner in which the above-recited objects, features and advantages of the present application are obtained will be readily apparent, a more particular description of the invention briefly described above will be rendered by reference to specific details that are set forth in the appended description, which are indicative of but are capable of being practiced in a variety of ways other than those specifically described herein, and which are readily apparent to those of ordinary skill in the art, and which are therefore not limited to the specific embodiments disclosed below.

The application provides a button structure of electric bicycle instrument, including lower shell cover, go up the shell cover and be located PCB Board (Printed Circuit Board) between lower shell cover and the last shell cover, the PCB Board is held in the cavity that lower shell cover and last shell cover formed, has a plurality of touch switches on the PCB Board, through pressing setting, the switch etc. of these controllable electric bicycle instruments that touch switches. In addition, this button structure still includes button structure and waterproof thimble, and button structure sets up at the upper shell cover upside, and the passerby can realize the press to the switch that dabs in the cavity through pressing down button structure. The button structure includes: the pressing part, the fixing part and the connecting part connecting the pressing part and the fixing part; the pressing part, the fixing part and the connecting part are integrally formed plastic products, and the connecting part is of a thin-wall structure with the thickness smaller than that of the pressing part and the fixing part.

The plastic product is in a solid state with certain hardness and rigidity at normal temperature, the silica gel has very large elasticity and flexibility, and the button structure using the plastic product has better pressing accuracy and service life. But because plastic products's hardness and rigidity are great, and the mode of difficult reference silica gel button is again integrated a plurality of according to the splenium, so plastic products's button structure often only one presses the splenium among the prior art, and every button structure all needs the joint structure to install at the button structurally, and a joint structure can only realize the fixed of pressing the splenium promptly. In order to solve the problem, in this application, pressing portion, fixed part and connecting portion set up for integrated into one piece, and only need install the fixed part and can realize pressing the fixed of portion to at least two on the button structure, and because connecting portion are thin-walled structure, compare the thickness of pressing the portion a lot of for mutual interference's problem can not appear between the different pressing portions, that is to say, when pressing one of them and pressing the portion execution instruction, can not drive another and press the portion downwards and press. The thin-wall plastic has certain elasticity and is easy to bend; on the contrary, if the thickness of the connecting portion is large, the fixing portion is driven when the pressing portion is pressed, so that the installation of the whole button structure is unstable.

Fig. 1 is a schematic overall perspective view of a key structure of an electric bicycle meter according to an embodiment of the present application; fig. 2 is an exploded view of the key structure of the electric bicycle meter in fig. 1, and fig. 3 is a disassembled perspective view of the two button structures in fig. 1. The button structure comprises a lower shell cover 1, an upper shell cover 2, a PCB 3, a button structure 4 and a waterproof thimble 5; wherein, button structure 4 sets up 2 upsides in last cap, goes up 2 locks of cap and forms the cavity on cap 1 down, and PCB board 3 is located this cavity, and PCB board 3 has a plurality of light touch switch 31, and button structure 4's quantity is two promptly button structure 41 and button structure 42 in figure 1, for example button structure 41 can be for setting up adjustment button, and button structure 42 can add and subtract shift knob for the gear. The button structure 41 includes: the pressing portion 411, the fixing portion 412, and the connecting portion 413 connecting the pressing portion 411 and the fixing portion 412, that is, the button structure 41 is composed of one fixing portion, two pressing portions, and two connecting portions, and similarly, the button structure 42 has a similar structure to the button structure 41. Taking the button structure 41 as an example, the pressing portion 411, the fixing portion 412 and the connecting portion 413 are integrally formed plastic products, the connecting portion 413 is a thin-walled structure with a thickness smaller than that of the pressing portion 411, the thickness of the connecting portion 413 is also smaller than that of the fixing portion 412, and as can be seen in fig. 3, the connecting portion 413 appears as a groove.

Fig. 4 is a perspective view illustrating bending of the pressing portion 411 of the button structure 41. Just because the connecting portion 413 is a thin-walled plastic structure, the pressing portion 411 can be bent independently around the fixing portion 412, so that the pressing portion 411 can be pressed more flexibly, and different pressing portions 411 are not interfered with each other.

The thickness of the thin-walled structure of the pressing portion 411 is preferably between 0.5 mm and 1.5 mm, so that the structural stability of the button structure 41 can be increased and the connection portion 413 can be prevented from being broken while the basic requirements of each pressing portion 411 on flexible and effective pressing are met.

The bottom surface of the fixing part 412 is further provided with positioning columns 414, the top surface of the upper housing cover 2 is provided with positioning holes 21 corresponding to the positioning columns 414, the positioning columns 414 are inserted into the positioning holes 21, the whole button structure 41 is mounted, and the number of the positioning columns 414 is preferably more than 2 for increasing the mounting stability.

The upper shell cover 2 is further provided with a through hole 22 for the penetration of the waterproof thimble 5, and two ends of the waterproof thimble 5 are respectively abutted against the bottom surfaces of the tact switch 31 and the pressing part. Through the butt effect of waterproof thimble 5, can realize the pressing to dabbing switch 31 on PCB board 3 when externally pressing the splenium.

An O-shaped ring 51 and a spring 52 are further sleeved on the waterproof thimble 5, and the O-shaped ring 51 is used for sealing the waterproof thimble 5 and preventing water from leaking from the through hole 22; the spring 52 is used for controlling the rebound of the waterproof thimble 5, namely, the pressing part of the button structure 41 is reset after being pressed by the elastic force of the spring 52. A split retaining ring 53 is fixed on the tail of the waterproof thimble, the split retaining ring 53 is used for retaining the tail of the waterproof thimble 5 on the lower side of the upper shell cover 2, and the head of the waterproof thimble with larger volume is retained on the upper side of the upper shell cover 2.

In addition, for being convenient for press the button structure, can set up a plurality of button structures in this application at 2 upsides of upper cover, the quantity of button structure is more than two, can make a plurality of button structures all be located 2 upsides of upper cover like this to avoid prior art to lead to pressing inconvenient problem with the button structure setting in button structure side. The adjacent button structures are connected by a snap-fit connection, as shown in fig. 3, the button structure 41 has a protrusion 415 thereon, and the button structure 42 has a groove structure 425 engaged with the protrusion 415.

In addition, the key structure further comprises an on-board terminal 6, the on-board terminal 6 penetrates through the lower case cover 1 and is electrically connected with the PCB 3, the other end of the on-board terminal 6 is connected to a display panel of the electric bicycle instrument, and a through hole 61 for the on-board terminal 6 to penetrate through is formed in the lower case cover 1. The key structure further comprises an anchor ear 7, the anchor ear 7 is arranged on the bottom surface of the lower shell cover 1 in a manner that the anchor ear 7 can be opened and closed through a pin shaft 8, and the anchor ear 7 is used for fixing the key structure on a bicycle. The end part of the hoop 7 can be also provided with a screw 9, and the screw 9 is used for adjusting the tightness and the opening and closing of the hoop 7; a washer 10 may be further installed on the inner ring of the hoop 7 to increase the friction between the inner ring of the hoop 7 and the bicycle handle, so that the key structure is more stably fixed to the bicycle.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the present application have been illustrated and described in detail herein, many other variations and modifications consistent with the principles of the application may be ascertained or derived directly from the disclosure herein without departing from the spirit and scope of the application. Accordingly, the scope of the present application should be understood and interpreted to cover all such other variations or modifications.

Claims (7)

1. A button structure of an electric bicycle instrument comprises a lower shell cover, an upper shell cover and a PCB (printed Circuit Board) positioned between the lower shell cover and the upper shell cover, wherein the PCB is provided with a plurality of tact switches;

the button structure sets up go up the cap upside, the button structure includes: the pressing part, the fixing part and the connecting part connecting the pressing part and the fixing part; the pressing part, the fixing part and the connecting part are plastic products which are integrally formed, and the connecting part is of a thin-wall structure with the thickness smaller than that of the pressing part and the fixing part;

the waterproof thimble runs through the upper shell cover, and the both ends of waterproof thimble butt respectively the bottom surface of dabbing the switch and pressing the portion.

2. The key structure of claim 1, wherein the thin-walled structure has a thickness of between 0.5 mm and 1.5 mm.

3. The key structure of claim 1, wherein the bottom surface of the fixing portion has positioning posts, and the top surface of the upper housing cover has positioning holes corresponding to the positioning posts.

4. The key structure according to claim 1, wherein the waterproof thimble is sleeved with an O-ring and a spring, and a split washer is fixed to a tail portion of the waterproof thimble.

5. The key structure of claim 1, wherein the number of the button structures is more than two, and adjacent button structures are connected in a snap-fit manner.

6. The key structure according to claim 1, wherein the key structure includes on-board terminals that pass through the lower housing cover and are electrically connected with the PCB board.

7. The key structure according to claim 1, wherein the key structure comprises a hoop, and the hoop is arranged on the bottom surface of the lower shell cover in an openable and closable manner through a pin shaft.

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