CN212781703U - Large-screen timing stopwatch - Google Patents

Abstract

The utility model provides a large-size screen timing stopwatch, include: the device comprises a shell, a main control board, a display module, control keys and a power supply module. The shell is formed by matching a front cover and a rear cover, and a first waterproof ring is arranged at the joint of the front cover and the rear cover; the main control board is assembled in the shell; the display module, assemble in the protecgulum, display module includes liquid crystal display, board and display screen support in a poor light, liquid crystal display with the board in a poor light all sets up on the display screen support, the assembly of display screen support is in on the main control board, display module is connected with first conductive silica gel strip and the conductive silica gel strip of second, be equipped with on the display screen support and be used for the block the second breach of the conductive silica gel strip of second, the conductive silica gel strip of second is located be used for connecting on the display screen support the board in a poor light with the main control board. The display screen support is arranged to enable the supports of all the parts to be closely matched, and when the stopwatch is impacted by external force, the display screen cannot fall off and is strong in stability.

Description

Large-screen timing stopwatch

Technical Field

The utility model belongs to the technical field of the timing instrument, a large-screen stopwatch is related to.

Background

The stopwatch is a timing tool frequently used in daily life and work of people, and is particularly necessary in athletic sports. However, the conventional stopwatch is provided with the display screen mounted on the control circuit board through the conductive silica gel strip, a cavity is formed between the display screen and the control circuit, and the conductive silica gel strip has weak supporting effect, so that when the stopwatch is severely shaken or collided, the display screen is easy to fall off to damage the stopwatch.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a big screen timing stopwatch, aim at solving the problem that the display screen in the current stopwatch takes place to drop easily.

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

a large screen chronograph watch comprising:

the shell is formed by matching a front cover and a rear cover, a display window is arranged at one end of the front cover, one end, far away from the display window, of the front cover is connected with the rear cover, and a first waterproof ring is arranged at the joint of the front cover and the rear cover;

the main control board is assembled in the shell;

a display module which is assembled in the front cover and is arranged corresponding to the display window, the display module comprises a liquid crystal display screen, a backlight plate and a display screen bracket, the liquid crystal display screen and the backlight plate are both arranged on the display screen bracket, the display screen bracket is assembled on the main control panel, the display module is connected with a first conductive silica gel strip and a second conductive silica gel strip, the liquid crystal display screen is provided with a first gap for installing the first conductive silica gel strip, the liquid crystal display screen is electrically connected with the main control panel through the first conductive silica gel strip, a second notch used for clamping the second conductive silica gel strip is arranged on the display screen bracket, the second conductive silica gel strip is positioned on the display screen support and used for connecting the backlight board and the main control board, and the main control board can control the brightness of the backlight board according to instructions;

the control key is assembled on the side surface of the shell and is electrically connected with the main control board;

the power module is assembled on the rear cover and connected with the main control board, and the main control board is arranged between the display module and the power module.

Preferably, the power module comprises a battery, the rear cover is connected with a battery cover, the battery cover is used for assembling the battery on the rear cover, and a second waterproof ring is arranged at the joint of the battery cover and the rear cover.

Furthermore, the power module further comprises a positive plate and a negative spring, the battery is connected with the positive contact point of the main control panel through the positive plate, and the battery is connected with the negative contact point of the main control panel through the negative spring.

Furthermore, the periphery of the battery cover is provided with convex teeth, and the convex teeth are used for being connected with the rear cover in a screwing manner.

Preferably, the control key is connected with a third waterproof ring, and the third waterproof ring is arranged between the control key and the front cover and used for preventing moisture from entering the stopwatch from the joint of the front cover and the control key.

Furthermore, the control key comprises a key cap, a push rod and a reset spring, the reset spring is sleeved outside the push rod, one end of the push rod is connected with the key cap, and the other end of the push rod penetrates through a through hole of the front cover and is connected with the main control board through a conducting strip.

Furthermore, the third water ring cover is established the outside of push rod, the medial surface of third water ring with the lateral surface laminating of push rod, the lateral surface of third water ring with the laminating of the through-hole medial surface of protecgulum.

Furthermore, a waterproof groove is formed in the periphery of the through hole of the front cover and surrounds the push rod, and one end of the reset spring abuts against the key cap and the other end of the reset spring abuts against the waterproof groove.

Preferably, the stopwatch further comprises a buzzer, the buzzer is assembled on the rear cover, and the buzzer is electrically connected with the main control board.

Preferably, the stopwatch further comprises a light-transmitting glass plate assembled at the display window, the length and width of the light-transmitting glass plate are larger than those of the display window, and the periphery of the light-transmitting glass plate is fixed on the front cover through waterproof glue.

The utility model has the advantages that: this application has set up the display screen support, and the display screen support is used for supporting and fixed liquid crystal display, board in a poor light, first conductive silica gel strip and the conductive silica gel strip of second, makes each part of display module closely cooperate, and when the stopwatch received external force striking, liquid crystal display also can not produce under the supporting role of display screen support and drop, can adopt the great liquid crystal display of size, and the stability of stopwatch is strong.

Drawings

FIG. 1 is an exploded pictorial illustration of a large screen chronograph;

FIG. 2 is a schematic diagram of a control button;

FIG. 3 is a schematic structural diagram of a display module and a main control board;

FIG. 4 is a top plan view of a large screen chronograph;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

fig. 6 is a partially enlarged view of B in fig. 5.

The labels in the figure are: 1-a light-transmitting glass plate; 2-front cover; 201-a waterproof slot; 3-control the key; 301-key cap; 302-a push rod; 303-a return spring; 4-liquid crystal display screen; 401-a first gap; 5-a backlight plate; 6-display screen support; 601-a second gap; 7-a first conductive silica gel strip; 8-a second conductive silica gel strip; 9-a conductive sheet; 10-a main control board; 11-a buzzer; 12-positive plate; 13-a negative spring; 14-a first waterproof ring; 15-rear cover; 16-a battery; 17-a second waterproof ring; 18-a battery cover; 19-third water prevention ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 6, the present invention provides an embodiment of a large-screen chronograph watch, which includes a housing, a main control board 10, a display module, a control button 3 and a power module. The shell is formed by matching a front cover 2 and a rear cover 15, a display window is arranged at one end of the front cover 2, one end, far away from the display window, of the front cover 2 is connected with the rear cover 15, a first waterproof ring 14 is arranged at the joint of the front cover 2 and the rear cover 15, and the first waterproof ring 14 is used for preventing moisture from entering the shell from the joint of the front cover 2 and the rear cover 15; the main control board 10 is assembled in the housing; the display module is assembled in the front cover 2, the display module is arranged corresponding to the display window, the display window is used for transmitting the display content of the display module, the display module comprises a liquid crystal display screen 4, a backlight plate 5 and a display screen bracket 6, the liquid crystal display screen 4 and the backlight plate 5 are both arranged on the display screen bracket 6, the display screen bracket 6 is assembled on the main control board 10, the display module is also connected with a first conductive silica gel strip 7 and a second conductive silica gel strip 8, the liquid crystal display 4 is provided with a first gap 401 for installing the first conductive silica gel strip 7, the liquid crystal display 4 is electrically connected with the main control panel 10 through the first conductive silica gel strip 7, a second notch 601 for clamping the first conductive silica gel strip 7 is arranged on the display screen bracket 6, and the second conductive silica gel strip 8 is positioned on the display screen support 6 and is used for connecting the backlight plate 5 and the main control board 10.

This application is connected with main control board 10 through display screen support 6, and display screen support 6 is used for supporting and fixing liquid crystal display 4, board 5 in a poor light, first conductive silica gel strip 7 and second conductive silica gel strip 8, makes each parts support closely cooperate, can adopt the great liquid crystal display 4 of size and can not take place to drop. In order to make the specification of the liquid crystal display 4 less influenced by the conductive silica gel strip, the notch used for fixing the second conductive silica gel strip 8 is arranged on the display screen support 6, so that the display module forms a compact whole, when the stopwatch is impacted by external force, the liquid crystal display 4 can not fall off under the supporting action of the display screen support 6, and is not easy to extrude and deform, so that the stopwatch is stable in structure. And because the display screen drops easily among the current stopwatch structure, consequently can generally adopt the less liquid crystal display 4 of size to reduce the load of electrically conductive silica gel strip, but can make the specification of liquid crystal display 4 receive the restriction like this. Adopt the structure of this application to make the stopwatch can adopt the bigger liquid crystal display 4 of size, can bear bigger weight load through the support of liquid crystal display support. In order to simultaneously display a plurality of groups of counting data on the display screen to improve the use experience of a user, the liquid crystal display screen 4 with a larger size is arranged on the stopwatch, so that at least a plurality of groups of counting data can be simultaneously displayed.

The control key 3 is matched with the side surface of the shell and is electrically connected with the main control board 10 to control the on-off of the stopwatch and control the function of the stopwatch; the power module is assembled on the rear cover 15, the power module is connected with the main control board 10, the main control board 10 is arranged between the display module and the power module, and the power module is used for providing electric energy for the display module and the main control board 10.

Liquid crystal display 4 and main control board 10 are connected to first conductive silica gel strip 7, and backlight 5 and main control board 10 are connected to second conductive silica gel strip 8, are controlled respectively through first conductive silica gel strip 7 and second conductive silica gel strip 8 by main control board 10 liquid crystal display 4's the demonstration content and backlight 5's luminance, when backlight 5 luminance becomes bright, light sends from backlight 5 and throws away through liquid crystal display 4 again, thereby makes the user can adjust the demonstration content on backlight 5 luminance through the button in darker place and can see liquid crystal display 4.

In this embodiment, the power module includes a battery 16, the rear cover 15 is connected to a battery cover 18, the battery cover 18 is used for assembling the battery with the rear cover 15, the battery cover 18 is used for assembling the battery 16 with the rear cover 15, and a third waterproof ring 19 is disposed at a connection position between the battery cover 18 and the rear cover 15. The batteries of the stopwatch can be conveniently replaced, the rear cover 15 is provided with a battery compartment, and the battery 16 is fixed in the battery compartment by the battery cover 18. In order to ensure that moisture does not enter the battery bin from the joint of the battery cover 18 and the rear cover 15 to damage the battery, a second waterproof ring 17 is arranged, and the waterproof effect of the stopwatch is improved.

In the above embodiment, the battery cover 18 has a protruding tooth on its outer periphery for engaging with the rear cover 15. When the battery needs to be replaced, the protruding teeth are separated from the clamping grooves of the rear cover 15 by rotating the battery cover 18, the battery bin can be opened to remove the battery, the battery cover 18 only needs to be rotationally fastened in the clamping grooves of the rear cover 15 when the battery bin is closed, and the battery cover 18 is matched with the rotary fastener of the rear cover 15 to provide convenience for a user to replace the battery.

As shown in fig. 2, a third water stop ring 19 is connected to the control key 3, and the third water stop ring 19 is disposed at the joint of the control key 3 and the front cover 2 for preventing moisture from entering the stopwatch from the joint of the front cover 2 and the control key 3. In this embodiment, the control key 3 includes a key cap 301, and a push rod 302 and a return spring 303 connected to the key cap 301, the return spring 303 is sleeved on the periphery of the push rod 302, one end of the push rod 302 is connected to the key cap 301, and the other end of the push rod 302 passes through the through hole of the front cover 2 and is connected to the main control board 10 through the conductive sheet 9. Specifically, the inner side of the third water ring 19 is tightly attached to the outer side of the push rod 302, and the outer side of the third water ring 19 is tightly attached to the inner side of the through hole of the front cover 2. In the above embodiment, the number of the control keys 3 is five, and at least one of the five control keys 3 is used for controlling the brightness of the backlight panel 5.

As shown in fig. 6, in the above embodiment, the waterproof groove 201 is provided on the periphery of the through hole of the front cover 2, the waterproof groove 201 is disposed around the push rod 302, one end of the return spring 303 abuts against the key cap 301, and the other end abuts against the waterproof groove 201. In order to further improve the waterproof performance of the stopwatch, the waterproof groove 201 can provide a certain resisting effect for the moisture entering from the key cap 301, and the moisture is prevented from entering the stopwatch from the key.

The stopwatch further comprises a buzzer 11, the buzzer 11 is assembled on the rear cover 15, and the buzzer 11 is electrically connected with the main control board 10 and used for broadcasting the counting data and giving a fault alarm.

The stopwatch further comprises a light-transmitting glass plate 1, the glass plate is assembled at the position of the display window, the length and the width of the light-transmitting glass plate 1 are larger than those of the display window, the periphery of the light-transmitting glass plate 1 is fixed on the front cover 2 through waterproof glue, and moisture can be prevented from entering the shell from the display window through the cooperation of the light-transmitting glass plate 1 and the front cover 2.

The power supply module further comprises a positive plate 12 and a negative spring 13, the battery 16 is connected with the positive contact point of the main control board 10 through the positive plate 12, and the battery 16 is connected with the negative contact point of the main control board 10 through the negative spring 13.

In some embodiments, the stopwatch further includes a photosensitive module, the photosensitive module is connected to the main control board, the photosensitive module is configured to receive light that enters the stopwatch through the transparent glass sheet, the photosensitive module receives an external light signal and then sends light intensity information to the main control board 10, and the main control board 10 controls the brightness of the backlight panel 5 according to the received light intensity information. Specifically, when the user uses the stopwatch in an environment with sufficient illumination, the main control panel 10 controls the brightness of the backlight panel 5 to be weakened, so that the electric quantity of the stopwatch is saved; when the user uses the stopwatch under the darker environment of light, the main control board 10 receives the information of sensitization module and then controls the luminance of the backlight board 5 to become bright, so that the user can clearly see the counting content on the liquid crystal display 4, and the user experience is improved.

In this embodiment, the first waterproof ring 14, the second waterproof ring 17 and the third waterproof ring 19 are all silica gel gaskets.

The shell is also provided with a hook for installing a lifting rope.

To sum up, the large-screen timing stopwatch that this embodiment provided has set up first electrically conductive silica gel strip, second electrically conductive silica gel strip and the cooperation of installing support for support and fixed board and liquid crystal display in a poor light, such structure makes the stopwatch adopt the display screen of large-screen also difficult emergence to drop, closely cooperates between each part, makes the stability of assembly stronger. The main control board controls the backlight board through the second conductive silica gel strip alone, so that the backlight board can change the brightness according to the brightness of the environment. The waterproof performance that has set up first waterproof circle, second waterproof circle and third waterproof circle can improve the stopwatch makes the stopwatch also can use under abominable environmental condition. The battery cover and the rear cover are connected through the rotary buckle, so that a user can conveniently replace the battery. The front cover is provided with a waterproof groove which plays a role in resisting moisture entering the shell. The display module is connected with a photosensitive sensor, and the stopwatch can automatically adjust the brightness of the backlight plate by sensing the illumination intensity of the external environment.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A large screen chronograph watch, comprising:

the shell is formed by matching a front cover (2) and a rear cover (15), a display window is arranged at one end of the front cover (2), one end, far away from the display window, of the front cover (2) is connected with the rear cover (15), and a first waterproof ring (14) is arranged at the joint of the front cover (2) and the rear cover (15);

a main control board (10) assembled in the housing;

the display module is assembled in the front cover (2) and correspondingly arranged with the display window, the display module comprises a liquid crystal display (4), a backlight plate (5) and a display screen support (6), the liquid crystal display (4) and the backlight plate (5) are arranged on the display screen support (6), the display screen support (6) is assembled on the main control plate (10), the display module is connected with a first conductive silica gel strip (7) and a second conductive silica gel strip (8), a first notch (401) used for installing the first conductive silica gel strip (7) is arranged on the liquid crystal display (4), the liquid crystal display (4) is electrically connected with the main control plate (10) through the first conductive silica gel strip (7), a second notch (601) used for clamping the second conductive silica gel strip (8) is arranged on the display screen support (6), the second conductive silica gel strip (8) is positioned on the display screen support (6) and used for connecting the backlight plate (5) and the main control board (10), and the main control board (10) can control the brightness of the backlight plate (5) according to instructions;

the control key (3) is assembled on the side surface of the shell and is electrically connected with the main control board (10);

the power module is assembled on the rear cover (15), the power module is connected with the main control board (10), and the main control board (10) is arranged between the display module and the power module.

2. The large-screen chronograph stopwatch according to claim 1, characterized in that the power supply module comprises a battery (16), a battery cover (18) is connected to the rear cover (15), the battery cover (18) is used for assembling the battery (16) on the rear cover (15), and a second waterproof ring (17) is arranged at the joint of the battery cover (18) and the rear cover (15).

3. The large screen chronograph watch according to claim 2, characterized in that said power module further comprises a positive plate (12) and a negative spring (13), said battery (16) being connected to the positive contact of said main control board (10) through said positive plate (12), said battery (16) being connected to the negative contact of said main control board (10) through said negative spring (13).

4. Large screen chronograph watch according to claim 2, characterized in that the battery (16) cover is provided with a toothing on its periphery for the screw connection with the back cover (15).

5. Large screen chronograph watch according to claim 1, characterized in that a third water ring (19) is connected to the control key (3), said third water ring (19) being arranged between the control key (3) and the front cover (2) for preventing moisture from entering the stopwatch from the connection of the front cover (2) and the control key (3).

6. The large-screen chronograph stopwatch according to claim 5, characterized in that the control button (3) comprises a button cap (301), a push rod (302) and a return spring (303), the return spring (303) is sleeved on the outer side of the push rod (302), one end of the push rod (302) is connected with the button cap (301), and the other end of the push rod passes through a through hole of the front cover (2) and is connected with the main control board (10) through a conducting strip (9).

7. The large-screen chronograph stopwatch according to claim 6, characterized in that the third water-proofing ring (19) is sleeved on the outer side of the push rod (302), the inner side surface of the third water-proofing ring (19) is attached to the outer side surface of the push rod (302), and the outer side surface of the third water-proofing ring (19) is attached to the inner side surface of the through hole of the front cover (2).

8. The large-screen chronograph stopwatch according to claim 7, characterized in that a waterproof groove (201) is arranged on the periphery of the through hole of the front cover (2), the waterproof groove (201) is arranged around the push rod (302), one end of the return spring (303) is abutted against the key cap (301) and the other end is abutted against the waterproof groove (201).

9. The large-screen chronograph watch according to claim 1, characterized in that it further comprises a buzzer (11), said buzzer (11) being assembled on said back cover (15), said buzzer (11) being electrically connected with said main control board (10).

10. The large-screen chronograph watch according to claim 1, characterized in that it further comprises a transparent glass plate (1) fitted at the display window, the length and width dimensions of the transparent glass plate (1) are all larger than the length and width of the display window, and the periphery of the transparent glass plate (1) is fixed on the front cover (2) by waterproof glue.

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