CN214189916U - Stopwatch, electric bicycle equipped with stopwatch and scooter - Google Patents

Abstract

The utility model relates to a stopwatch, install electric bicycle and scooter of this stopwatch, this stopwatch includes: a case formed with a button through hole; the button piece is limited with a pressing part and a first step part, the pressing part is arranged in the button through hole, and the surface of the first step part facing the pressing part is attached to the inner surface of the watch case; and the fixing piece is fixedly connected to the inner surface of the watch case, a first groove is formed on one side of the fixing piece facing the button through hole, and the surface of the first step part back to the pressing part is attached to the bottom surface of the first groove. The technical scheme of the utility model be through with mounting fixed connection on the internal surface of watchcase, the first step portion orientation of button spare is pressed the surface of splenium and is laminated with the internal surface of watchcase mutually, and first step portion is laminated with the first recess on the mounting dorsad surface of splenium, and then realizes fixing button spare based on mounting and watchcase and has improved its sealing performance when spacing, has better suitability.

Description

Stopwatch, electric bicycle equipped with stopwatch and scooter

Technical Field

The utility model relates to an electric vehicle technical field especially relates to a stopwatch, install electric bicycle and scooter of this stopwatch.

Background

Generally, an electric bicycle or a scooter is provided with a rotating handle on a handlebar to control the steering of the electric bicycle, and a stopwatch to count and display running parameters such as the speed, the mileage and the like of the electric bicycle or the scooter. The button on traditional stopwatch generally adopts the rubber material and directly will press the fixed welding of button peripheral part on the watchcase of stopwatch, so set up and can lead to the button to appear droing, press the poor, waterproof performance subalternation defect of button leakproofness in the use repeatedly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to electric bicycle or scooter's stopwatch, the simple structure of this stopwatch, the leakproofness is good, can prevent effectively that water from permeating, has better suitability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a code table, comprising:

a case formed with a button through-hole;

the button piece is limited with a pressing part and a first step part, the pressing part is arranged in the button through hole, and the surface of the first step part facing the pressing part is attached to the inner surface of the watch case;

and the fixing piece is fixedly connected to the inner surface of the watch case, a first groove is formed on one side of the fixing piece facing the button through hole, and the surface of the first step part, which faces away from the pressing part, is attached to the bottom surface of the first groove.

Preferably, the inner surface of the watch case is formed with an annular groove surrounding the button through hole, and a side of the fixing member facing the annular groove is formed with an annular projection fitted in the annular groove.

Preferably, the first recess is formed with an opening and closing through hole corresponding to the button through hole, and a side of the button member facing the first recess is formed with an opening and closing recess communicating with the opening and closing through hole;

the inside fixed circuit mainboard that has installed of watchcase, the circuit mainboard towards one side of mounting has installed the on off key, the on off key passes the switch opening and can with switch recess contacts.

Preferably, the button member defines a second stepped portion provided on a surface of the first stepped portion facing the pressing portion;

the inner surface of the watchcase is provided with a second groove, the button through hole is arranged on the groove bottom surface of the second groove, and the surface of the second step part facing the pressing part is attached to the groove bottom surface of the second groove.

Preferably, the watch case comprises: the button through hole is formed in the upper shell, and the fixing piece is fixed on one side, facing the lower shell, of the upper shell.

Preferably, the stopwatch further comprises a fixing plate, the fixing plate is fixedly arranged in the mounting cavity, a mounting groove is formed in one side, facing the upper shell, of the fixing plate, and the circuit main board is fixedly arranged in the mounting groove.

Preferably, the shell of buckling is injectd to the casing down, the shell of buckling is towards keeping away from the direction of going up the casing is buckled, two relative medial surfaces of shell of buckling all are formed with the draw-in groove, a side of going up the casing extends and is formed with first extension, just first extension orientation one side of buckling the shell extends and is formed with each the buckle of draw-in groove one-to-one joint.

Preferably, the upper housing extends towards the fixing plate to form a first mounting column, a first mounting hole is formed on one side of the first mounting column facing the fixing plate, and a first through hole correspondingly communicated with the first mounting hole is formed on the fixing plate;

the lower shell is limited with a horizontal shell part, the horizontal shell part is connected with the bending shell part through an arc surface, a second mounting column extends towards one side of the fixing plate and is formed, and a second through hole communicated with the first through hole is formed in the second mounting column.

Preferably, the mounting groove extends towards one side of the upper housing to form a positioning column, the circuit board is formed with a positioning hole corresponding to the positioning column, and the positioning column is arranged in the positioning hole in a penetrating manner.

Preferably, the fixing is ultrasonically welded to the inside surface of the watch case.

An electric bicycle comprising the stopwatch of any one of the above.

A scooter, comprising the code table of any one of the above.

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

the utility model provides a stopwatch among the above-mentioned technical scheme is through on the internal surface with mounting fixed connection at the watchcase to and the first step portion of making the button spare laminates with the internal surface of watchcase towards the surface of pressing the portion, and first step portion laminates mutually with the first recess on the mounting dorsad surface of pressing the portion, and then improves its sealing performance when realizing fixing spacing to the button spare based on mounting and watchcase, can effectively prevent water infiltration, has better suitability.

Drawings

Fig. 1 is a schematic structural diagram of a code table according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the upper housing shown in fig. 1.

Fig. 3 is a schematic structural diagram of a part of the code table shown in fig. 1.

Fig. 4 is a schematic structural view of the button member shown in fig. 1.

Fig. 5 is a schematic view of the button member shown in fig. 2 from another perspective.

Fig. 6 is a schematic structural diagram of a part of the code table shown in fig. 1.

Fig. 7 is a schematic structural view of the fixing member shown in fig. 6.

Fig. 8 is a schematic structural view of the upper housing shown in fig. 1 from another perspective.

Fig. 9 is a schematic structural view of the lower case shown in fig. 1.

Fig. 10 is a schematic structural view of the fixing plate shown in fig. 3.

Fig. 11 is a schematic structural view of the fixing plate shown in fig. 10 from another perspective.

Fig. 12 is a schematic structural diagram of a cushion pad according to an embodiment of the present invention.

Fig. 13 is a structural view of the lower housing of fig. 9 from another perspective.

Fig. 14 is a schematic structural diagram of a part of the code table shown in fig. 1.

100. Code table; 10. an upper housing; 11. a first limit step; 12. a first extension portion; 121. buckling; 1211. a first inclined plane; 13. a first mounting post; 131. a first mounting hole; 14. a display groove; 15. a display opening; 16. a button through hole; 17. an annular groove; 18. a second groove; 20. a lower housing; 21. a second limit step; 22. bending the shell part; 221. a card slot; 2211. a second inclined plane; 23. a horizontal shell portion; 231. a second mounting post; 2311. a second through hole; 2312. a limiting boss; 24. connecting columns; 25. a wire passing hole; 30. a fixing plate; 31. a first through hole; 32. a fixed seat; 321. a limiting side plate; 33. mounting grooves; 331. a placing table; 3311. an arc-shaped positioning part; 332. placing the column; 333. a limiting convex part; 334. a positioning column; 335. a wire passing port; 34. a first recess; 35. a second recess; 36. a wire; 37. the anti-tear piece is prevented from being broken; 40. a circuit main board; 41. an on-off key; 50. a cushion pad; 51. a buffer through hole; 52. clamping the groove; 60. a transparent plate; 70. a display screen; 80. a button member; 81. a pressing part; 82. a first step portion; 83. a switch groove; 84. a second step portion; 90. a fixing member; 91. a first groove; 911. opening and closing the through opening; 92. an annular protrusion.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1 to 14, an embodiment of the present invention provides a stopwatch 100 for an electric bicycle or a scooter, wherein the stopwatch 100 has a simple structure, is easy to install, has good sealing performance, and has good waterproof performance.

The housing structure of the stopwatch 100 at least comprises: a watch case, a transparent plate 60 and a display screen 70. The surface of watchcase is formed with and shows recess 14, the tank bottom face that shows recess 14 is formed with and shows opening 15, transparent plate 60 fixed connection is at the tank bottom face that shows recess 14, transparent plate 60 and the equal seamless laminating of each lateral wall that shows recess 14, display screen 70 is fixed to be installed inside the watchcase, correspond the setting between display screen 70 and the demonstration opening 15, so that the user can see through transparent plate 60 direct viewing display screen 70 demonstration parameter information that traveles, transparent plate 60 can also avoid display screen 70 to receive the damage because of directly exposing simultaneously. As preferred, transparent plate 60 adopts the fixed welding of ultrasonic wave at the tank bottom surface of demonstration recess 14 to make each side of transparent plate 60 and each lateral wall homogeneous phase seamless laminating of demonstration recess 14, so set up, can make the installation between transparent plate 60 and watchcase firm more and sealed, effectively improved stopwatch 100's sealing performance, prevent that water from permeating to the watchcase inside, thereby can protect electronic components such as display screen 70 in the watchcase. In addition, the transparent plate 60 may be fixed to the bottom surface of the display groove 14 by bonding, integral molding, or the like.

In one embodiment, the watch case comprises: go up casing 10 and casing 20 down, go up and carry out detachable connection through modes such as spiro union, joint between casing 10 and the casing 20 down, go up and enclose between casing 10 and the casing 20 down and establish mutually and form the installation cavity that is used for fixed electronic components such as installing circuit mainboard 40, display screen 70, show that recess 14, display opening 15 all set up in last casing 10 department, as shown in fig. 2.

In order to facilitate positioning and assembling of the watch case, as shown in fig. 6, a first limit step 11 is formed at a side edge of the upper case 10 facing the lower case 20; as shown in fig. 9, a second limiting step 21 corresponding to the first limiting step 11 is formed at the edge of the side surface of the lower casing 20 facing the upper casing 10, and the first limiting step 11 and the second limiting step 21 are in limiting fit with each other, so that the installation fit between the upper casing 10 and the lower casing 20 can be effectively improved, and the installation tightness between the upper casing 10 and the lower casing 20 can be effectively improved.

In one embodiment, the stopwatch 100 further comprises a button member 80 and a fixing member 90. A button through hole 16 is formed on the watch case, a pressing part 81 and a first step part 82 are defined on the button piece 80, the pressing part 81 and the first step part 82 are designed in an integrated mode, the shape of the pressing part 81 is matched with that of the button through hole 16, the pressing part 81 is arranged in the button through hole 16, and the surface of the first step part 82 facing the pressing part 81 is attached to the inner surface of the watch case; fixing member 90 fixed connection is at the internal surface of watchcase, one side that fixing member 90 faces button through-hole 16 is formed with first recess 91, the shape of first recess 91 and the shape looks adaptation of first step portion 82, first step portion 82 is laminated with the tank bottom face of first recess 91 with the surface of pressing portion 81 dorsad, each side of first step portion 82 and each cell wall homogeneous phase laminating of first recess 91, so set up, can be fixed spacing on the watchcase with button 80, the leakproofness between button 80 and the watchcase has also effectively been improved when preventing that button 80 from coming off because of using repeatedly, and then its waterproof performance has been improved, avoid electronic components in the watchcase to appear damaging. Preferably, the fixing member 90 is fixedly welded on the inner surface of the watch case by ultrasonic waves, when the button member 80 is pressed, the fixing member 90 limits the bottom end of the button member 80 to prevent the button member 80 from falling into the installation cavity formed by the upper case 10 and the lower case 20, the fixing member 90 is more stably installed by ultrasonic welding, and the probability that the fixing member 90 falls off the watch case due to the pressing of the button member 80 is reduced.

As shown in fig. 7, the first groove 91 is formed with a switch through hole 911 corresponding to the button through hole 16; the button 80 is provided with a switch groove 83 communicated with the switch through hole 911 towards the first groove 91, a circuit main board 40 is fixedly arranged in the watch case, a switch key 41 is arranged on one side of the circuit main board 40 facing the fixed part 90, the switch key 41 is opposite to the switch groove 83, when the button 80 is pressed, the button 80 deforms towards the switch key 41 and presses the switch key 41, and therefore the switch key 41 is pressed. It can be understood that the function of the switch key 41 is to control whether the circuit main board 40 is started or not, that is, the user can press the switch key 41 by operating the pressing portion 81, so as to control the on/off of the electric bicycle equipped with the stopwatch 100.

In one embodiment, in order to further improve the sealing performance between the button member 80 and the fixing member 90, as shown in fig. 8, the inner surface of the watch case (i.e., the inner surface of the upper case 10) is formed with an annular groove 17, the annular groove 17 surrounding the button through-hole 16; the fixing member 90 has an annular protrusion 92 formed on a side facing the annular groove 17, the annular protrusion 92 is matched with the annular groove 17, and the annular protrusion 92 is fixedly embedded in the annular groove 17. In addition, the button member 80 defines a second stepped portion 84, the second stepped portion 84 being provided on a surface of the first stepped portion 82 facing the pressing portion 81; as shown in fig. 8, the second groove 18 is formed on the inner surface of the watch case, the button through hole 16 is opened in the second groove 18, and the surface of the second step portion 84 facing the pressing portion 81 is abutted against the groove bottom surface of the second groove 18.

It can be understood that, as shown in fig. 4 and 5, the button 80 is sequentially formed with a pressing portion 81, a second step portion 84 and a first step portion 82 from top to bottom, the pressing portion 81, the second step portion 84 and the first step portion 82 are arranged in a stepped manner, the switch groove 83 is also arranged on one side of the button 80 facing the fixing member 90 in a stepped manner, the pressing portion 81 is arranged in the button through hole 16, the upper surface of the second step portion 84 is attached to the second groove 18, the upper surface of the first step portion 82 is attached to the inner surface of the watch case, and the annular convex portion 92 is fixedly embedded in the annular groove 17.

In one embodiment, referring to fig. 3 and fig. 10, the fixing plate 30 is further fixedly installed in the installation cavity of the watch case, the fixing plate 30 forms an installation groove 33 on a side facing the upper case 10, the circuit board 40 is fixedly installed in the installation groove 33, and the display screen 70 is disposed on a side of the circuit board 40 facing the display opening 15.

In order to facilitate positioning of the circuit board 40, as shown in fig. 10, the mounting groove 33 extends towards one side of the upper housing 10 to form a positioning column 334, the circuit board 40 is formed with a positioning hole corresponding to the positioning column 334, and the positioning column 334 is inserted into the positioning hole, so that the circuit board can be positioned and stabilized.

In order to fix and limit the circuit board 40 in the mounting groove 33, as shown in fig. 10, a plurality of limiting protrusions 333 are formed on the side wall of the mounting groove 33, each limiting protrusion 333 is at least distributed on two different groove walls of the mounting groove 33, and each limiting protrusion 333 can abut against the surface of the circuit board 40 facing the upper housing 10 to fix and limit the circuit board 40 in the mounting groove 33 and prevent the circuit board 40 from vibrating. Preferably, the convex position-limiting portion 333 has a triangular prism shape, one side surface of the convex position-limiting portion 333 is integrally formed with the side wall of the mounting groove 33, the other side surface of the convex position-limiting portion 333 is perpendicular to the side wall of the mounting groove 33, and one surface of the convex position-limiting portion 333 perpendicular to the side wall of the mounting groove 33 can abut against the circuit board 40 to limit the position of abutting against the edge of the side surface of the upper case.

In addition, as shown in fig. 10, one or more placing tables 331 are formed in the mounting groove 33, and the surface of the circuit main board 40 facing away from the upper case 10 may be abutted against the placing tables 331. In addition, a plurality of placing columns 332 are formed in the mounting groove 33, the placing columns 332 are arranged at different groove walls of the mounting groove 33 at intervals, the placing platforms 331 are flush with the end faces of the placing columns 332 facing the circuit main board 40 in the same direction, the circuit main board 40 horizontally abuts against the end faces of the placing platforms 331 and the placing columns 332 in the same direction, and the circuit main board 40 can be stably placed in the mounting groove 33 based on the cooperative matching of the placing platforms 331, the placing columns 332 and the limiting convex portions 333.

In one embodiment, as shown in fig. 10, the placing table 331 extends to one side of the upper case 10 to form an arc-shaped positioning portion 3311; the side of circuit board 40 is formed with the first breach that corresponds the butt with arc location portion 3311, the side of fixed plate 30 is formed with first depressed part 34, circuit board 40 is formed with the second breach that corresponds the butt with first depressed part 34, first breach and second breach are located the different sides of circuit board 40 respectively, so set up, first breach and arc location portion 3311 of circuit board 40 accessible, the spacing cooperation of second breach and first depressed part 34 is fixed spacing to in mounting groove 33, can avoid circuit board 40 to appear rocking, and then prevent circuit board 40 and damage because of rocking.

It is understood that the placing table 331 may be disposed at different positions in the mounting groove 33, such as the corner of the mounting groove 33 or the sidewall of the mounting groove 33, and a first notch may be disposed at the corner or the side of the circuit board 40, in whole or in part, the first notch being disposed corresponding to the arc-shaped positioning portion 3311 on the placing table 331; the first concave parts 34 may also be partially or completely disposed at the corners or the side surfaces of the fixing plate 30, and similarly, the second notches may also be correspondingly disposed at the corners or the side surfaces of the circuit board 40, and the second notches and the first concave parts 34 are disposed in a one-to-one correspondence.

In one embodiment, as shown in fig. 10 and 14, a wire passing opening 335 for passing the conducting wire 36 is formed on the bottom surface of the mounting groove 33, and correspondingly, the lower housing 20 is formed with a wire passing hole 25 corresponding to the wire passing opening 335. Wherein, the line-passing port 335 is internally provided with a buffer 50 for sealing the lead 36, the buffer 50 is provided with a buffer through hole 51 corresponding to the line-passing hole 25, and the buffer 50 is preferably made of rubber; as shown in fig. 12, the shape of the cushion 50 corresponds to the shape of the wire passing port 335, a clamping groove 52 correspondingly clamped with the side wall of the wire passing port 335 is formed on the side surface of the cushion 50, and the width of the clamping groove 52 is the same as the thickness of the wire passing port 335, so that the matching sealing degree between the cushion 50 and the wire passing port 335 is effectively increased. Preferably, as shown in fig. 10, the wire passing port 335 is disposed in an "8" shape, the wire passing port 335 is composed of two communicating through ports through which the two sets of conductive wires 36 can pass, the number of the buffer through holes 51 is two, and when only one set of conductive wires 36 passes through any one buffer through hole 51, the remaining buffer through holes 51 can be blocked by plugs.

In order to avoid the wire breaking risk, a breaking preventing member 37 is wound around the outer side of the wire 36, the breaking preventing member 37 may be a wire or other objects, and the breaking preventing member 37 is disposed between the fixing plate 30 and the lower housing 20, as shown in fig. 14.

In one embodiment, in order to fix the fixing plate 30, please refer to fig. 9 and 11, a fixing seat 32 is formed by extending one side of the fixing plate 30 facing the lower housing 20, a connection post 24 is formed by extending one side of the lower housing 20 facing the fixing seat 32, and the connection post 24 can be detachably connected to the fixing seat 32 by a screw connection or the like. In addition, the fixing base 32 extends towards one side of the connecting column 24 to form two parallel and spaced limiting side plates 321, the connecting column 24 penetrates through the space formed by the two limiting side plates 321, and therefore the two limiting side plates 321 can be used for achieving positioning and installation between the connecting column 24 and the fixing base 32.

As can be appreciated, as shown in fig. 11, the fixing base 32 includes: mounting panel and two spacing curb plates 321, two spacing curb plates 321 parallel and the interval is established on the side of mounting panel towards spliced pole 24, and fixing base 32 is the U type setting.

In one embodiment, as shown in fig. 9, the lower housing 20 defines a bent shell 22, the bent shell 22 is bent away from the upper housing 10, and two opposite inner sides of the bent shell 22 are formed with locking slots 221; as shown in fig. 2, a first extending portion 12 extends from one side of the upper housing 10 toward the bent shell 22, and a latch 121 that is latched with each latch groove 221 in a one-to-one correspondence manner extends from one side of the first extending portion 12 toward the bent shell 22, so that the upper housing 10 and the lower housing 20 are connected based on the engagement between the latch 121 and the latch groove 221.

In order to facilitate the clamping fit between the buckle 121 and the card slot 221, a first inclined surface 1211 is formed on a surface of the buckle 121 facing the bending shell 22, a second inclined surface 2211 corresponding to the first inclined surface 1211 is formed on the card slot 221, and the first inclined surface 1211 and the second inclined surface 2211 are in sliding fit so that the buckle 121 is clamped in the card slot 221.

In one embodiment, as shown in fig. 8, a first mounting pillar 13 is formed on a side of the upper housing 10 facing the fixing plate 30, a first mounting hole 131 is formed on a side of the first mounting pillar 13 facing the fixing plate 30, and a first through hole 31 correspondingly communicating with the first mounting hole 131 is formed on the fixing plate 30; as shown in fig. 9, the lower housing 20 defines a horizontal housing portion 23, the horizontal housing portion 23 is integrally connected to the bent housing portion 22 through an arc surface, a second mounting post 231 extends from a side of the horizontal housing portion 23 facing the fixing plate 30, and a second through hole 2311 communicating with the first through hole 31 is formed in the second mounting post 231. It can be understood that the assembly process of the upper case 10, the lower case 20 and the fixing plate 30 can be described as follows: the first limiting step 11 and the second limiting step 21 are connected in a limiting manner, the first mounting hole 131, the first through hole 31 and the second through hole 2311 are communicated, and an installer can screw screws and other screw connectors through the second through hole 2311 and through the first through hole 31 and the first groove 91, so that the upper shell 10, the lower shell 20 and the fixing plate 30 are fixedly connected into an integrated structure.

In one embodiment, referring to fig. 9 and 11, in order to facilitate the alignment of the second through hole 2311 and the first through hole 31, a limiting protrusion 2312 is formed on a side surface of the second mounting post 231, and a second recess 35 corresponding to the limiting protrusion 2312 is formed on the fixing plate 30 facing the lower housing 20. Preferably, the second mounting posts 231 are located at two corners of the horizontal shell portion 23 away from the bent shell portion 22, and the second recessed portions 35 are located at two corners of the fixing plate 30; in addition, the first recess 34 is formed at a side corner of the fixing plate 30 away from the second recess 35, and a fixing lug is formed at the first recess 34, and the fixing lug can be screwed with the upper housing 10 by a screw such as a screw to realize the fixed connection between the fixing plate 30 and the upper housing 10.

Based on the stopwatch 100 that provides in the above-mentioned embodiment, it is corresponding, the utility model discloses an embodiment still provides an install electric bicycle and scooter of this stopwatch 100, this stopwatch 100 buckle shell 22 be formed with supply to change the switching hole that passes and be used for with change the annular joint portion of being connected of rotating, be integral design between stopwatch 100 and the commentaries on classics handle, so set up, installer only need fix annular joint portion can install on the automobile body simultaneously with stopwatch 100 on electric bicycle or scooter's automobile body, convenient and fast has better suitability.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (12)

1. A code table, comprising:

a case formed with a button through hole (16);

the button piece (80) is provided with a pressing part (81) and a first step part (82) in a limiting mode, the pressing part (81) is arranged in the button through hole (16), and the surface, facing the pressing part (81), of the first step part (82) is attached to the inner surface of the watch case;

and the fixing piece (90) is fixedly connected to the inner surface of the watch case, a first groove (91) is formed on one side, facing the button through hole (16), of the fixing piece (90), and the surface, facing away from the pressing part (81), of the first step part (82) is attached to the bottom surface of the first groove (91).

2. Stopwatch according to claim 1, characterized in that the inner surface of the case is formed with an annular groove (17), said annular groove (17) surrounding said button through hole (16), the side of said holding element (90) facing said annular groove (17) being formed with an annular projection (92), said annular projection (92) being embedded in said annular groove (17).

3. A stopwatch according to claim 1 or 2, wherein said first recess (91) is formed with a switch through hole (911) corresponding to said button through hole (16), and a side of said button member (80) facing said first recess (91) is formed with a switch recess (83) communicating with said switch through hole (911);

a circuit main board (40) is fixedly arranged inside the watch case, an on-off key (41) is arranged on one side, facing the fixing piece (90), of the circuit main board (40), and the on-off key (41) penetrates through the switch through hole (911) and can be in contact with the switch groove (83).

4. Stopwatch according to claim 1 or 2, characterized in that said push-button member (80) defines a second step (84), said second step (84) being provided on the surface of said first step (82) facing said pressing portion (81);

the inner surface of the watchcase is provided with a second groove (18), the button through hole (16) is arranged on the groove bottom surface of the second groove (18), and the surface of the second step part (84) facing the pressing part (81) is attached to the groove bottom surface of the second groove (18).

5. The stopwatch of claim 3, wherein said watch case comprises: go up casing (10) and casing (20) down, go up casing (10) detachable connect in casing (20) down, go up casing (10) with casing (20) enclose mutually down and establish and be formed with the installation cavity, button through-hole (16) are located go up casing (10), mounting (90) are fixed in go up casing (10) towards one side of casing (20) down.

6. The stopwatch of claim 5, wherein the stopwatch (100) further comprises a fixing plate (30), the fixing plate (30) is fixedly installed in the installation cavity, an installation groove (33) is formed on one side of the fixing plate (30) facing the upper case (10), and the circuit board (40) is fixedly installed in the installation groove (33).

7. The stopwatch of claim 6, wherein the lower case (20) defines a bent shell portion (22), the bent shell portion (22) is bent towards a direction away from the upper case (10), two opposite inner side surfaces of the bent shell portion (22) are respectively formed with a clamping groove (221), one side surface of the upper case (10) is extended to form a first extending portion (12), and one side of the first extending portion (12) facing the bent shell portion (22) is extended to form a clamping buckle (121) which is clamped with the clamping grooves (221) in a one-to-one correspondence manner.

8. The stopwatch according to claim 7, wherein the upper case (10) is formed with a first mounting post (13) extending toward the fixing plate (30), a first mounting hole (131) is formed on a side of the first mounting post (13) facing the fixing plate (30), and a first through hole (31) correspondingly communicating with the first mounting hole (131) is formed on the fixing plate (30);

the lower shell (20) is limited with a horizontal shell part (23), the horizontal shell part (23) is connected with the bent shell part (22) through an arc surface, a second mounting column (231) extends from one side of the horizontal shell part (23) facing the fixing plate (30), and a second through hole (2311) communicated with the first through hole (31) is formed in the second mounting column (231).

9. The stopwatch of claim 6, wherein a positioning post (334) is formed by extending the mounting groove (33) toward one side of the upper case (10), a positioning hole corresponding to the positioning post (334) is formed on the circuit main board (40), and the positioning post (334) is inserted into the positioning hole.

10. Cycle computer according to claim 1 or 2, characterized in that the fixing (90) is ultrasonically welded to the inner surface of the watch case.

11. An electric bicycle, characterized by comprising: the code table (100) of any one of claims 1-10.

12. A scooter, comprising: the code table (100) of any one of claims 1-10.

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