CN211155735U

CN211155735U - Fat detector

Info

Publication number: CN211155735U
Application number: CN201921192039.2U
Authority: CN
Inventors: 卫庆永; 陈水水
Original assignee: Deqing Quanfeng Electronic Technology Co ltd
Current assignee: Deqing Quanfeng Electronic Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-08-04
Anticipated expiration: 2029-07-26
Also published as: WO2021017651A1

Abstract

The utility model discloses a fat detector, including main part housing, housing back cover, stationary dog, movable dog, slider, fixed grid, battery tray, PCB board, liquid crystal sheet, main part housing, housing back cover cooperate and fix the back and form the equipment chamber, the stationary dog be the arc, the movable dog include arc outer claw and stalk portion, the movable dog still is equipped with the jack catch spring that is located the equipment chamber, the movable claw stalk portion be equipped with the drive head; the main body cover is internally provided with a guide block for the sliding of the sliding block, the sliding block is provided with a sliding block spring in the same sliding direction with the sliding block, the fixed grid is arranged at the bottom of the sliding block, the battery seat is arranged in the equipment cavity, and the main body cover is internally provided with a positive plate and a negative plate which are matched with the battery; the liquid crystal sheet is arranged on the outer side of the main body housing, a plurality of keys are further arranged on the main body housing, and the PCB is arranged in the equipment cavity. The utility model discloses rational in infrastructure, it is clear to show, and it is accurate to measure.

Description

Fat detector

Technical Field

The utility model belongs to the technical field of instrument technique for the measurement and specifically relates to a fat detector is related to.

Background

The calipers for measuring fat in the existing market are generally mechanical readings, and only one type of measuring instrument is available at present, but the defects are obvious: the manual clamping is needed, so that the measured data are different according to different human forces, and the obtained data are inconsistent.

Disclosure of Invention

The utility model relates to a solve current slide caliper rule of measuring fat and need the manual clamp tightly, measure inaccurate problem, provide a rational in infrastructure, show clearly, measure accurate fat detector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the fat detector comprises a main body housing, a housing rear cover, a fixed claw, a movable claw, a sliding block, a fixed grid, a battery holder, a PCB (printed Circuit Board) and a liquid crystal wafer, wherein the main body housing and the housing rear cover are matched and fixed to form an equipment cavity, the fixed claw is arc-shaped, the bottom end of the fixed claw is fixed in the equipment cavity, the top end of the fixed claw is provided with a fixed measuring end outside the equipment cavity, the movable claw comprises an arc-shaped outer claw and a handle part, the handle part of the movable claw is a driving end and is arranged in the equipment cavity, the arc-shaped outer claw is arranged outside the equipment cavity, the top end of the arc-shaped outer claw is a movable measuring end and is tightly attached to the fixed measuring end of the fixed claw in a matching manner, the arc-shaped outer claw and the fixed claw form a measuring ring, the movable claw is provided with a hinge joint which is positioned in the equipment cavity and is, one end of the jaw spring is fixed between the hinge point of the movable jaw and the movable measuring end, the other end of the jaw spring is fixed at the bottom end of the fixed jaw, and the handle part of the movable jaw is provided with a driving head; the main body housing is internally provided with a guide block for the sliding of the sliding block, the sliding block is provided with a sliding block spring in accordance with the sliding direction of the sliding block, the sliding block is provided with a driving inclined plane, the driving inclined plane is tightly attached to a driving head, the fixed grid is arranged at the bottom of the sliding block, the battery seat is arranged in an equipment cavity, a battery is arranged in the battery seat, and the main body housing is internally provided with a positive plate and a negative plate which are matched with the battery; the liquid crystal display panel is arranged on the outer side of the main body housing, a plurality of keys are further arranged on the main body housing, the PCB is arranged in the equipment cavity, the PCB is provided with conductive adhesive strips corresponding to the liquid crystal display panel, the PCB is provided with touch switches corresponding to the keys, and the PCB is electrically connected with the fixed grid, the battery and the liquid crystal display panel. In the scheme, in an initial state, a movable measuring end on a movable claw is tightly attached to a fixed measuring end on a fixed claw, the movable claw is pulled during measurement, the movable measuring end is opened to clamp a fat layer, then the movable claw is released, the movable claw clamps the fat layer under the action of a claw spring, a sliding block slides under the action of a driving head to generate a voltage signal on a fixed grid, and a PCB (printed circuit board) reads the signal to obtain the thickness of the fat layer and sends the thickness to a liquid crystal display; after the measurement is finished, the movable claw is pulled, after the fat layer is loosened, the movable claw can reset under the action of the claw spring, and the sliding block also resets under the action of the sliding block spring.

Preferably, the surface of the liquid crystal sheet is provided with a glass sheet, and the glass sheet is adhered to the outer side of the liquid crystal sheet through adhesive paper.

Preferably, the main body housing is provided with a rope hanging column.

Preferably, the fixed claw and the movable claw are both provided with hollow channels.

Preferably, the fixed claw and the movable claw are respectively provided with a cover plate.

Preferably, the main body housing and the housing rear cover are respectively provided with arc-shaped bosses corresponding to the fixed claws and the movable claws.

The technical scheme includes that a liquid crystal sheet and keys are placed in a main body housing, then conductive adhesive is placed, then a PCB (printed circuit board (note: electronic components, light touch switches and the like are welded on the front surface of the PCB, positive and negative pole pieces, grid holding strips and the like are welded on the back surface of the PCB) is fixed on the main body housing through screws, then a glass sheet is adhered on the front surface of the main body housing through adhesive paper, then fixing claws are installed in the main body housing through screws, and then one end of each fixing claw is hung with a spring and is covered with a fixing claw cover plate (fastened through screws); the movable claw is connected with a spring on the upper fixed claw and then covered with a movable claw cover plate (fixed by a screw); fixing a fixed grid on a sliding block by using glue, embedding the sliding block into a guide block, connecting the sliding block and the guide block by using a spring to be tensioned, then installing the guide block into a rear cover of a housing, and then fixing the rear cover of the housing on a main body housing by using screws (1. controlling the gap between the fixed grid on the sliding block and a PCB (printed Circuit Board) to be about 0.1 mm; 2. connecting a rotating shaft of a movable claw with the rear cover of the housing to form an axle center), and putting a battery into a battery seat to be inserted into the main body housing (supplying power to each electronic component and liquid crystal panel by positive and negative pole pieces on the PCB);

after the installation is finished, the anti-slip strips of the movable claws are only required to be stirred to be pressed inwards, so that the sliding blocks slide upwards, the movable claws are opened, when the movable claws are loosened, the clamping claws can be tensioned by the pull springs at the movable claws (the fat layer can be clamped at the moment), meanwhile, the sliding blocks can move downwards under the force of the pull springs of the guide blocks, and the fat layer is clamped at the moment to obtain data; when the movable claw is opened, the sliding block moves upwards to enable the PCB and the fixed grid bars on the fixed grids to be displaced to generate voltage signals, digital signals are generated through MCU data processing on the PCB, and then conductive adhesive is transmitted to the liquid crystal display to display measurement data; on this brand-new transmission structure, when the movable claw promotes the slider and makes the fixed grid displacement on the slider, the jack catch opens simultaneously, fixed grid displacement numerical value N in this in-process, that measured data is 2N, and that is movable claw measured data is 2 times of below promotion slider (fixed grid) stroke (the data that reachs on the display screen is the actual measurement size that obtains after the PCB board processing).

Therefore, the utility model discloses following beneficial effect has: reasonable structure, clear display and accurate measurement.

Drawings

Fig. 1 is a schematic view of an external structure of the present invention.

Fig. 2 is an explosion diagram of a front structure of the present invention.

Fig. 3 is an exploded view of a reverse structure of the present invention.

In the figure: 1. main body housing 2, housing rear cover 3, fixed claw 4, movable claw 5, slide block

6. Fixed grid 7, battery holder 8, PCB 9, liquid crystal sheet 10 and equipment cavity

11. A fixed measuring end 12, an arc outer claw 13, a handle part 14 and a movable measuring end

15. Hinge point 16, claw spring 17, driving head 18 and guide block

19. Slider spring 20, driving inclined plane 21, positive plate 22 and negative plate

23. Button 24, conducting rubber strip 25, tact switch 26 and glass sheet

27. Adhesive paper 28, hanging rope column 29, cover plate 30 and arc-shaped boss.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the fat detector comprises a main body housing 1, a housing rear cover 2, a fixed jaw 3, a movable jaw 4, a slider 5, a fixed grid 6, a battery holder 7, a PCB 8 and a liquid crystal sheet 9, wherein the main body housing 1 and the housing rear cover 2 are matched and fixed to form an equipment cavity 10, the fixed jaw 3 is arc-shaped, the bottom end of the fixed jaw 3 is fixed in the equipment cavity 10, the top end of the fixed jaw 3 is a fixed measuring end 11 and is arranged outside the equipment cavity 10, the movable jaw 4 comprises an arc-shaped outer jaw 12 and a handle part 13, the handle part 13 of the movable jaw 4 is a driving end and is arranged in the equipment cavity 10, the arc-shaped outer jaw 12 is arranged outside the equipment cavity 10, the top end of the arc-shaped outer jaw 12 is a movable measuring end 14 and is matched and tightly attached to the fixed measuring end 11 of the fixed jaw 3, the arc-shaped outer jaw 12 and the fixed jaw 3 form a measuring ring, the movable jaw 4, the movable claw 4 is also provided with a claw spring 16 positioned in the equipment cavity 10, one end of the claw spring 16 is fixed between a hinge point 15 of the movable claw 4 and a movable measuring end 14, the other end of the claw spring 16 is fixed at the bottom end of the fixed claw 3, and a handle part 13 of the movable claw 4 is provided with a driving head 17; a guide block 18 which can be used for the sliding of the sliding block 5 is arranged in the main body housing 1, the sliding block 5 is provided with a sliding block spring 19 which is consistent with the sliding direction of the sliding block 5, the sliding block 5 is provided with a driving inclined plane 20, the driving inclined plane 20 is tightly attached to a driving head 17, the fixed grid 6 is arranged at the bottom of the sliding block 5, the battery seat 7 is arranged in the equipment cavity 10, a battery is arranged in the battery seat 7, and a positive plate 21 and a negative plate 22 which are matched with the battery are arranged in the main; the liquid crystal sheet 9 is arranged on the outer side of the main body housing 1, a plurality of keys 23 are further arranged on the main body housing 1, the PCB 8 is arranged in the equipment cavity 10, the PCB 8 is provided with a conductive adhesive tape 24 corresponding to the liquid crystal sheet 9, the PCB 8 is provided with a tact switch 25 corresponding to the keys 23, and the PCB 8 is electrically connected with the fixed grid 6, the battery and the liquid crystal sheet 9;

the surface of the liquid crystal sheet 9 is provided with a glass sheet 26, and the glass sheet 26 is adhered to the outer side of the liquid crystal sheet 9 through adhesive paper 27;

the main body housing 1 is provided with a rope hanging column 28;

the fixed claw 3 and the movable claw 4 are both provided with hollow channels;

the fixed claw 3 and the movable claw 4 are respectively provided with a cover plate 29;

the main body housing 1 and the housing rear cover 2 are respectively provided with arc-shaped bosses 30 corresponding to the fixed claws 3 and the movable claws 4.

After the product is installed, the anti-slip strip at the handle part 13 of the movable claw 4 is only needed to be shifted to be pressed inwards to enable the sliding block 5 to slide upwards, meanwhile, the movable claw 4 is opened, when the movable claw 4 is loosened, the claw spring 16 at the position of the movable claw 4 can strain the movable claw 4 (the fat layer can be clamped at the moment), meanwhile, the sliding block 5 can move downwards under the force of the sliding block spring 19 of the guide block 18, and the fat layer is clamped at the moment to obtain data;

when the movable claw 4 is opened, the sliding block 5 moves upwards to enable the fixed grid bars on the PCB 8 and the fixed grid 6 to be displaced to generate voltage signals, digital signals are generated through MCU data processing on the PCB 8, and the conductive adhesive tape 24 is transmitted to the liquid crystal sheet 9 to display measurement data; on this brand-new transmission structure, when the movable claw 4 promotes slider 5 and makes the fixed grid 6 displacement on the slider 5, the jack catch opens simultaneously, and fixed grid 6 displacement numerical value N in this in-process, that measured data is 2N, and movable claw 4 measured data is 2 times of the below promotion slider 5 (fixed grid 6) stroke (the data that reachs on the display screen is the actual measurement size that obtains after the PCB board is handled).

Claims

1. A fat detector is characterized by comprising a main body housing, a housing rear cover, a fixed claw, a movable claw, a sliding block, a fixed grid, a battery holder, a PCB (printed Circuit Board) and a liquid crystal sheet, wherein the main body housing and the housing rear cover are matched and fixed to form an equipment cavity, the fixed claw is arc-shaped, the bottom end of the fixed claw is fixed in the equipment cavity, the top end of the fixed claw is provided with a fixed measuring end and is arranged outside the equipment cavity, the movable claw comprises an arc-shaped outer claw and a handle part, the handle part of the movable claw is a driving end and is arranged in the equipment cavity, the arc-shaped outer claw is arranged outside the equipment cavity, the top end of the arc-shaped outer claw is a movable measuring end and is tightly attached to the fixed measuring end of the fixed claw in a matching manner, the arc-shaped outer claw and the fixed claw form a measuring ring, the movable claw is provided with a hinge joint which is positioned in the equipment cavity and is, one end of the jaw spring is fixed between the hinge point of the movable jaw and the movable measuring end, the other end of the jaw spring is fixed at the bottom end of the fixed jaw, and the handle part of the movable jaw is provided with a driving head; the main body housing is internally provided with a guide block for the sliding of the sliding block, the sliding block is provided with a sliding block spring in accordance with the sliding direction of the sliding block, the sliding block is provided with a driving inclined plane, the driving inclined plane is tightly attached to a driving head, the fixed grid is arranged at the bottom of the sliding block, the battery seat is arranged in an equipment cavity, a battery is arranged in the battery seat, and the main body housing is internally provided with a positive plate and a negative plate which are matched with the battery; the liquid crystal display panel is arranged on the outer side of the main body housing, a plurality of keys are further arranged on the main body housing, the PCB is arranged in the equipment cavity, the PCB is provided with conductive adhesive strips corresponding to the liquid crystal display panel, the PCB is provided with touch switches corresponding to the keys, and the PCB is electrically connected with the fixed grid, the battery and the liquid crystal display panel.

2. The fat detector as set forth in claim 1, wherein a glass sheet is provided on the surface of the liquid crystal sheet, and the glass sheet is adhered to the outer side of the liquid crystal sheet by a sticker.

3. The fat detector of claim 1, wherein the body housing includes a lanyard post.

4. The fat detector according to claim 1, wherein the fixed jaw and the movable jaw are provided with hollow passages.

5. The fat detector according to claim 1 or 4, wherein the fixed jaw and the movable jaw are respectively provided with a cover plate.

6. The fat detector according to claim 1, wherein the main body housing and the housing rear cover are respectively provided with arc-shaped bosses corresponding to the fixed claws and the movable claws.