CN200952941Y - 24/7 liquid compass - Google Patents

Abstract

The utility model relates to an all-weather liquid compass, comprising an outer shell and a magnetic needle body, wherein the outer shell comprises a shell provided with an inner cavity and a transparency dial, wherein the magnetic needle body is transparent and arranged in the shell, and a refraction plate is provided between the magnetic needle body and the shell, and an electrical cavity is provided at the edge of the refraction plate in the inner cavity, wherein a luminous body and a luminous circuit for controlling the operation of the luminous body are provided in the electrical cavity. The light emitted by the luminous body can be projected into the interior of the refraction plate from the edge of the refraction plate, and after being refracted by the refraction plate, it is projected toward the transparent magnetic needle body and the degree dial, so that the user can still clearly see the direction of the magnetic needle and the scale on the degree dial in a dark environment with weak light or no external light source, so that the compass can be used all-weather to clearly identify the direction. By arranging a reflective sheet between the refraction plate and the shell, all the light emitted by the luminous body is irradiated on the bottom of the magnetic needle body, so that the entire compass is brighter, more crystal clear, and clearer, which is very pleasing to the eye and comfortable to the eye.

Description

24/7 liquid compass

technical field

The utility model relates to a compass, in particular to an all-weather liquid compass which can be clearly distinguished in a dark environment.

Background technique

When people walk in the field, climb mountains, travel, and explore, they usually need a compass to identify the direction. Ordinary compass usually needs other light sources to identify when used at night, but needs to use own light source (such as flashlight, lighter, etc.) When the compass is forgotten to carry or does not have its own light source, the compass cannot be used in a dark environment, which will easily cause people to lose their way and cause accidents.

Utility model content

The technical problem to be solved by the utility model is to provide an all-weather liquid compass that can emit light by itself, is easy to carry, and can still be clearly identified in a dark environment, aiming at the defect that the compass in the prior art cannot be used alone in a dark environment.

The technical solution adopted by the utility model to solve the technical problem is: construct an all-weather liquid compass, including a shell and a magnetic needle body, the shell includes a shell with an inner cavity and a transparency number covering the inner cavity of the shell. Turntable, the magnetic needle body is transparent and arranged in the housing, a refraction plate is provided between the magnetic needle body and the housing, an electrical cavity is provided at the edge of the refraction plate in the inner cavity of the housing, and an electric cavity is provided in the electrical cavity There is a luminous body and a luminous circuit for controlling the operation of the luminous body.

In the all-weather liquid compass of the present utility model, a reflection sheet is provided between the refraction plate and the casing.

In the all-weather liquid compass of the present invention, positioning grooves are provided on the inner cavity, and protrusions matching the positioning grooves are provided on the refraction plate and the reflection sheet.

In the all-weather liquid compass of the present invention, the refraction plate is formed by injection molding of transparent plastic, and refraction points are arranged on the inner surface near the upper, lower and surrounding surfaces.

In the all-weather liquid compass of the present utility model, the light-emitting circuit includes a circuit board, a power supply electrically connected to the light-emitting body, and a switch for controlling the on-off of the light-emitting circuit, and a button for triggering the switch is provided on the handle. , the illuminant is arranged on the circuit board.

In the all-weather liquid compass of the present invention, the illuminant is an LED lamp.

In the all-weather liquid compass of the present invention, the outer edge of the housing is provided with a handle, and the tail end of the handle is provided with a hanging hole.

Implementing the all-weather liquid compass of the utility model has the following beneficial effects: by setting a refraction plate between the transparent magnetic needle body and the housing, and setting a luminous body controlled by a light-emitting circuit at the edge of the refraction plate, the light emitted by the luminous body can be It shoots into the interior of the refraction plate from the edge of the refraction plate, and then shoots to the transparent magnetic needle body and the transparent degree turntable after passing through the refraction plate. The user can clearly see the direction of the magnetic needle and the scale on the degree turntable in a dark environment, thus This compass can be used around the clock to clearly discern direction. By installing a reflective sheet between the refraction plate and the housing, the light refracted by the refraction plate to the bottom of the housing cavity can be reflected and directed to the magnetic needle body, and all the light emitted by the illuminant illuminates the bottom of the magnetic needle body, thereby making the entire compass brighter , crystal clear, clear, very pleasing to the eye and comfortable to see.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the overall structure of a preferred embodiment of the all-weather liquid compass of the present invention.

Detailed ways

As shown in FIG. 1 , in a preferred embodiment of the all-weather liquid compass of the present invention, it includes a housing, a reflector 2 , a refraction plate 3 , a magnetic needle body 4 and a light-emitting circuit including a light-emitting body 5 .

The magnetic needle body 4 includes a body 7 made of a transparent material and a magnetic needle 8 arranged in the body 7. The magnetic needle body 4 is preferably oil-filled, that is, the body 7 is filled with liquid so that light can be generated therein. Refraction makes it have a crystal clear visual effect.

The housing includes a housing 9 and a degree dial 10, the housing 9 is provided with an inner chamber 11, and the degree dial 10 covers the inner chamber 11 by snap-fitting with the opening of the inner chamber of the housing, so The magnetic needle body 4 , the refraction plate 3 and the reflection sheet 2 are sequentially arranged in the inner cavity 11 of the housing from the outside to the inside. The degree turntable 10 is provided with a scale 12 and a mark 13 matched with the magnetic needle body 4 to indicate the directions of east, south, west and north and their declination angles. An electrical cavity is also provided on the side wall of the inner cavity 11 of the housing, and the luminous body 5 and the light emitting circuit are arranged in the electrical cavity.

The shape of the reflective sheet 2 is adapted to the shape of the inner cavity 11 , so that the reflective sheet 2 just covers the bottom of the inner cavity 11 . The inner cavity is provided with two protrusions 15 , and the reflective sheet 2 is provided with a positioning groove 16 matching the protrusions 15 , so that the reflective sheet 2 is positioned at the bottom of the inner cavity 11 . The refraction plate 3 is formed by injection molding of transparent plastic, and a plurality of refraction points are evenly distributed in the interior close to the upper, lower and surrounding surfaces, and the refraction points can evenly emit the light entering from the bottom of the refraction plate, so that The magnetic needle body 4 is crystal clear. The refraction plate 3 is also provided with a positioning groove 17 matching the protrusion 15 , and the side of the magnetic needle body 4 is also provided with a positioning groove 6 matching the protrusion 15 . The refraction plate 3 is provided with a protruding handle 18 extending toward the electrical cavity near the side edge of the electrical cavity, and the protruding handle 18 is provided with a notch 19 matching the size of the illuminant 5 .

The light emitting circuit includes a circuit board and a luminous body 5, a power supply and a switch arranged on the circuit board. A card slot may be provided in the electrical cavity, and the circuit board is inserted into the card slot from the inner cavity 11 of the housing, so that the circuit board is fixed in the electrical cavity 11, and the circuit board is close to the notch 19 of the refraction plate A flange matching the notch 19 is provided at the position. The luminous body 5 is fixedly arranged on the flange of the circuit board, so that the luminous body 5 just extends into the gap 19 of the refraction plate, and the luminous body is preferably an LED lamp. The power supply is a lithium battery arranged on the circuit board, which can provide a stable power supply to the illuminant. A button 25 corresponding to the switch is provided on the outside of the housing 9 at a position corresponding to the switch in the electrical cavity, through which the switch can be triggered to control the operation of the light emitting circuit.

During use, operate the button 25 to trigger the switch to control the light-emitting circuit, so that the illuminant 5 emits light. After being refracted, it scatters around, and part of the light that hits the bottom of the inner cavity 11 is reflected by the reflection sheet 2 and then rushes toward the refraction plate 3 . The light refracted by the refraction plate 3 forms a backlight at the bottom of the magnetic needle body 4. In a dark environment with low light or no external light source, the direction of the magnetic needle 8 and the scale and marks on the degree dial 10 can still be clearly seen, so that To accurately identify the direction and prevent getting lost.

In the above embodiment, according to user's requirements, the luminous body 5 can be set in different colors, and various decorative patterns can also be provided on the refraction plate 3 .

In the above embodiment, a handle 26 is provided on the outer edge of the housing 9 corresponding to the electrical cavity, and a hanging hole 27 is provided at the tail end of the handle 26 opposite to the connecting end of the housing, and a hanging rope or a hanging ring can be used to Through the hanging hole 27, the entire compass is hung, such as on a keychain, so that it is convenient to carry.

Claims (7)

1. An all-weather liquid compass, comprising a shell and a magnetic needle body, characterized in that the shell includes a housing with an inner cavity and a transparency dial covering the inner cavity of the housing, and the magnetic needle body is transparent and Set in the housing, a refraction plate is provided between the magnetic needle body and the housing, an electrical cavity is provided at the edge of the refraction plate in the inner cavity of the housing, and a luminous body is arranged in the electrical cavity to control the operation of the luminous body light-emitting circuit. 2. The all-weather liquid compass according to claim 1, wherein a reflective sheet is provided between the refracting plate and the casing. 3. The all-weather liquid compass according to claim 2, wherein a positioning groove is provided on the inner cavity, and protrusions matching the positioning groove are provided on the refraction plate and the reflection sheet. 4. The all-weather liquid compass according to claim 1, characterized in that the refraction plate is made of transparent plastic injection molding, and refraction points are arranged inside near the upper, lower and surrounding surfaces. 5. The all-weather liquid compass according to any one of claims 1-4, characterized in that, the light-emitting circuit includes a circuit board, a power supply electrically connected to the light-emitting body, and a switch for controlling the light-emitting circuit to be turned on and off, so A button for triggering the switch is provided on the handle, and the luminous body is arranged on the circuit board. 6. The all-weather liquid compass according to any one of claims 1-4, wherein the illuminant is an LED lamp. 7. The all-weather liquid compass according to claim 1, wherein a handle is provided on the outer edge of the housing, and a hanging hole is provided at the end of the handle.

Images