Code watch with dial

Abstract

The utility model relates to the field of electric power-assisted bicycles, and discloses a stopwatch with a dial, which comprises a casing (1), an instrument (3) mounted at the upper end of the casing (1), a dial (5) and a circuit board (7) mounted on the casing (1), magnetic steel (6) mounted on the dial (5), a Hall sensor (8) arranged on the circuit board (7), and when the dial (5) is dialed, the dial (5) drives the magnetic steel (6) to rotate and generates magnetoelectric induction with the Hall sensor (8). According to the utility model, the instrument and the dial are integrated together to form a whole, and the dial and the instrument are installed on the electric power-assisted bicycle together, so that the installation efficiency is improved, and meanwhile, the integrated stopwatch saves the installation space of equipment on the electric power-assisted bicycle.

Description

Technical Field

[0001] The utility model relates to the field of electric power-assisted bicycles, in particular to a code meter with finger shifters. Background Art

[0002] In the electric bicycle industry, the computer is usually a separate component and the shifter is a separate component, which takes up a lot of space and is difficult to install. This solution integrates the computer and the shifter into one component, which is convenient for the assembly and use of electric bicycles and reduces the installation space.

[0003] The invention patent with application number CN201780093987.8 discloses an electric-assisted bicycle, in which an operating device and a display device are separately arranged on the electric-assisted bicycle.

[0004] The utility model patent with application number CN202122076164.0 discloses a display instrument for an electric power-assisted bicycle, the instrument of which is directly mounted on the handlebar through a wrist strap, and the instrument is also independently set.

[0005] The above two patents are both independent display instruments, and the dial is not combined with the instrument. This separation of the control device and the instrument will increase the production and installation costs. Utility Model Content

[0006] The utility model aims at the shortcomings of the prior art and provides a code meter with finger dial.

[0007] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0008] A code meter with a dial comprises a casing, an instrument is installed on the upper end of the casing, a dial and a circuit board are installed on the casing, a magnet is installed on the dial, and a Hall sensor is arranged on the circuit board. When the dial is turned, the dial drives the magnet to rotate and generates magnetic and electric induction with the Hall sensor.

[0009] Preferably, the finger shifter includes a shifting part and a rotating part, the magnet is installed on the side wall of the rotating part, a spring is provided in the rotating part, the rotating part is installed in the casing through the spring, and the shifting part is connected to the rotating part and exposed outside the casing.

[0010] Preferably, the casing comprises a shell and a cover plate covering the shell, a positioning column is fixed on the inner wall of the shell, and the rotating part is sleeved on the positioning column.

[0011] Preferably, a first fastener is further included, a first threaded hole is provided on the positioning column, a first through hole is provided on the cover plate, and the first fastener passes through the first through hole and is connected to the first threaded hole to fix the cover plate on the positioning column.

[0012] Preferably, a second fastener is further included, a mounting seat is provided on the casing, a second threaded hole is provided on the mounting seat, a second through hole is provided on the cover plate, and the second fastener passes through the second through hole and is connected to the second threaded hole to fix the cover plate on the mounting seat.

[0013] Preferably, the housing is further provided with a card slot, and the circuit board is installed in the card slot.

[0014] Preferably, a button is also installed at the upper end of the casing, and the button is connected to the instrument.

[0015] Preferably, a third fastener is further included, and a buckle is connected to the bottom of the casing, one end of the buckle is hinged to the casing, and the other end of the buckle is connected to the casing through the third fastener.

[0016] The utility model adopts the above technical scheme, which has significant technical effects: the code computer integrates the instrument and the shifter to form a whole, and the shifter and the instrument are installed on the electric power-assisted bicycle together, which improves the installation efficiency. At the same time, the integrated code computer saves the installation space of the equipment on the electric power-assisted bicycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 This is a schematic diagram of the locations of the thumbwheel, magnet, circuit board, and Hall sensor.

[0019] Figure 3 This is a schematic diagram of the dial inside the housing.

[0020] Figure 4 It is a structural schematic diagram of the positioning column and the mounting seat.

[0021] Figure 5 It is a schematic diagram of the structure of the shifting part and the rotating part of the finger shift.

[0022] Figure 6 This is a diagram of the spring inside the shifter.

[0023] Figure 7 Schematic diagram of the cover plate, the first through hole and the second through hole.

[0024] Figure 8 This is a schematic diagram of the side of the meter.

[0025] The names of the parts indicated by the numerical labels in the above drawings are as follows: 1—casing, 101—shell, 102—cover, 1021—first through hole, 1022—second through hole, 103—positioning column, 1031—first threaded hole, 104—mounting seat, 1041—second threaded hole, 105—slot, 2—spring, 3—meter, 4—button, 5—finger dial, 501—dial part, 502—rotating part, 6—magnetic steel, 7—circuit board, 8—Hall sensor, 9—buckle, 10—first fastener, 11—second fastener, 12—third fastener. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-8 The utility model is further described in detail with examples.

[0027] Example 1

[0028] A code meter with a finger shifter comprises a housing 1, an instrument 3 is installed at the upper end of the housing 1, a finger shifter 5 and a circuit board 7 are installed on the housing 1, a magnet 6 is installed on the finger shifter 5, and a Hall sensor 8 is provided on the circuit board 7. In this embodiment, the circuit board 7 is connected to the controller on the electric power-assisted bicycle. When the finger shifter 5 is turned, the finger shifter 5 drives the magnet 6 to rotate and generates magneto-electric induction with the Hall sensor 8. When the finger shifter 5 rotates, the magnetic field of the magnet on the finger shifter 5 changes, and the Hall sensor 8 of magneto-electric conversion receives the change in the magnetic field, and the output voltage changes, and then the speed gear changes are controlled by the controller on the electric power-assisted bicycle; the instrument 3 and the finger shifter 5 are integrated together to form a whole, and the finger shifter 5 and the instrument 3 are installed together on the electric power-assisted bicycle, which improves the installation efficiency. At the same time, the integrated code meter saves the installation space of the equipment on the electric power-assisted bicycle.

[0029] The finger shifter 5 includes a shifting portion 501 and a rotating portion 502. The magnet 6 is installed on the side wall of the rotating portion 502. A spring 2 is provided in the rotating portion 502. In this embodiment, the spring 2 is a torsion spring, which is used to reset the finger shifter 5 after rotation. The rotating portion 502 is installed in the housing 1 through the spring 2. The shifting portion 501 is connected to the rotating portion 502 and exposed outside the housing 1, so that the user can easily shift the finger shifter 5.

[0030] The housing 1 includes a shell 101 and a cover plate 102 covering the shell 101. In this embodiment, the cover plate 102 facilitates the installation and removal of the finger shifter 5. A positioning column 103 is fixed on the inner wall of the shell 101, and the rotating part 502 is mounted on the positioning column 103. In this embodiment, the positioning column 103 serves as a rotating shaft to facilitate the rotation of the rotating part 502.

[0031] It also includes a first fastener 10. In this embodiment, the first fastener 10 is a screw. A first threaded hole 1031 is provided on the positioning column 103, and a first through hole 1021 is provided on the cover plate 102. The first fastener 10 passes through the first through hole 1021 and is connected to the first threaded hole 1031 to fix the cover plate 102 on the positioning column 103.

[0032] The housing 1 is also provided with a slot 105, and the circuit board 7 is mounted on the slot 105, so as to facilitate fixing the circuit board 7.

[0033] The upper end of the housing 1 is also provided with a button 4, which is connected to the meter 3. In this embodiment, the button 4 is arranged at the rear end of the meter 3, and the button 4 is used to control the meter 3.

[0034] It also includes a third fastener 12. In this embodiment, the third fastener 12 is a screw. A buckle 9 is connected to the bottom of the casing 1. In this embodiment, the buckle 9 is arc-shaped. One end of the buckle 9 is hinged to the casing 1, and the other end of the buckle 9 is connected to the casing 1 through the third fastener 12.

[0035] Working principle: The stopwatch is used to display the condition of the electric-assisted bicycle; the shifter is used as a speed control device for the electric-assisted bicycle. When the shifter rotates, the magnetic field of the magnet on the shifter changes. The Hall sensor of magneto-electric conversion receives the change in magnetic field, and the output voltage changes, and then the speed gear change is controlled by the controller on the electric-assisted bicycle.

[0036] Example 2

[0037] A code meter with a finger shifter comprises a housing 1, an instrument 3 is installed at the upper end of the housing 1, a finger shifter 5 and a circuit board 7 are installed on the housing 1, a magnet 6 is installed on the finger shifter 5, and a Hall sensor 8 is provided on the circuit board 7. In this embodiment, the circuit board 7 is connected to the controller on the electric power-assisted bicycle. When the finger shifter 5 is turned, the finger shifter 5 drives the magnet 6 to rotate and generates magneto-electric induction with the Hall sensor 8. When the finger shifter 5 rotates, the magnetic field of the magnet on the finger shifter 5 changes, and the Hall sensor 8 of magneto-electric conversion receives the change in the magnetic field, and the output voltage changes, and then the speed gear changes are controlled by the controller on the electric power-assisted bicycle; the instrument 3 and the finger shifter 5 are integrated together to form a whole, and the finger shifter 5 and the instrument 3 are installed together on the electric power-assisted bicycle, which improves the installation efficiency. At the same time, the integrated code meter saves the installation space of the equipment on the electric power-assisted bicycle.

[0038] Example 3

[0039] The difference between Example 3 and Example 1 is that: it also includes a second fastener 11. In this embodiment, the second fastener 11 is a screw. The housing 1 is also provided with a mounting seat 104, and the mounting seat 104 is provided with a second threaded hole 1041. The cover plate 102 is also provided with a second through hole 1022. The second fastener 11 passes through the second through hole 1022 and is connected with the second threaded hole 1041 to fix the cover plate 102 on the mounting seat 104.

Claims

1. A code meter with a dial, comprising a housing (1), an instrument (3) being mounted on the upper end of the housing (1), characterized in that: A finger shifter (5) and a circuit board (7) are mounted on the housing (1); a magnetic steel (6) is mounted on the finger shifter (5); and a Hall sensor (8) is arranged on the circuit board (7); when the finger shifter (5) is moved, the magnetic steel (6) is driven by the finger shifter (5) to rotate and generate magnetic and electrical induction with the Hall sensor (8).

2. A code meter with finger dial according to claim 1, characterized in that: The finger shifter (5) comprises a shifting part (501) and a rotating part (502), a magnetic steel (6) is mounted on the side wall of the rotating part (502), a spring (2) is arranged inside the rotating part (502), the rotating part (502) is mounted inside the housing (1) via the spring (2), and the shifting part (501) is connected to the rotating part (502) and exposed outside the housing (1).

3. A code meter with finger dial according to claim 2, characterized in that: The casing (1) comprises a shell (101) and a cover plate (102) covering the shell (101); a positioning column (103) is fixed on the inner wall of the shell (101); and the rotating part (502) is sleeved on the positioning column (103).

4. A code meter with finger dial according to claim 3, characterized in that: It also includes a first fastener (10), a first threaded hole (1031) is provided on the positioning column (103), a first through hole (1021) is provided on the cover plate (102), and the first fastener (10) passes through the first through hole (1021) to connect with the first threaded hole (1031) and fixes the cover plate (102) on the positioning column (103).

5. A code meter with finger dial according to claim 3, characterized in that: The housing (1) further comprises a second fastener (11); a mounting seat (104) is provided on the housing (1); a second threaded hole (1041) is provided on the mounting seat (104); a second through hole (1022) is provided on the cover plate (102); the second fastener (11) passes through the second through hole (1022) and is connected to the second threaded hole (1041) to fix the cover plate (102) on the mounting seat (104).

6. A code meter with finger dial according to claim 1, characterized in that: The housing (1) is also provided with a card slot (105), and the circuit board (7) is mounted on the card slot (105).

7. A code meter with finger dial according to claim 1, characterized in that: A button (4) is also installed on the upper end of the housing (1), and the button (4) is connected to the instrument (3).

8. A code meter with finger dial according to claim 1, characterized in that: It also includes a third fastener (12), a buckle (9) is connected to the bottom of the housing (1), one end of the buckle (9) is hinged to the housing (1), and the other end of the buckle (9) is connected to the housing (1) through the third fastener (12).

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