A kind of electronic scales
Technical field
The utility model relates to the scale technical field, is a kind of technology of electronic scales specifically.
Background technology
At present, general electronic kitchen scale profile is all fixed, and can not fold, and volume is bigger, carries when being inconvenient to go out.The sensor application aspect is also relatively more traditional in addition, mostly uses the steel part sensors of four one covers or single aluminum component sensor to do Weight-measuring device, and profile does not have very big variation.
The existing scheme that a kind of Foldable kitchen scale is arranged on the market; Four independently foot rests have been comprised; Each foot rest is equipped with scale pin and sensor, and four foot rests can be implemented in when using through hinged type of attachment and open, and open the rear leg surface on same plane; Be convenient to weighing weight of object on this plane, then collapsible closing up when not using.The folder function of this kitchen scale mainly depends on foot rest, scale pin, sensor, centre mount, hinged sleeve pipe, these parts of bearing pin and realizes.Wherein foot rest is used for fixing sensor, places wiring board and battery; The scale pin is used to support whole scale body; Sensor is used for converting the power factor into electric factor; Centre mount is used for 4 foot rests hingedly, can make power lead and sensor conductor be connected to wiring board through this centre mount; Hinged sleeve pipe is used for each foot rest and centre mount are carried out hinged, and this link sleeve pipe also is a hollow, makes power lead and sensor conductor import centre mount into; Bearing pin; Be used for hinged sleeve pipe and centre mount are fixed together; Yet this technology is because foot rest closes up together through behind 90 ° of the vertical foldings, so the thickness of scale body after closing up needs the thickness of two foot rests is superimposed, and integral body is thicker; Convenient not enough aspect carrying after folding closing up, there is certain limitation.
The utility model content
The purpose of the utility model provides a kind of thin thickness, effectively reduces scale body volume, carries convenient electronic scales.
The purpose of the utility model realizes through following technical scheme.
A kind of electronic scales; Comprise runing rest, right crus of diaphragm frame, left foot frame, middle foot rest, main circuit board, scale display device and power unit; First sensor is installed on the right crus of diaphragm frame, second sensor is installed on the left foot frame, the 3rd sensor is installed on the middle foot rest; First sensor, second sensor all are connected with the main circuit board signal through sensor conductor with the 3rd sensor; Main circuit board is connected with scale display device circuit, it is characterized in that: said right crus of diaphragm frame, left foot frame, middle foot rest all are connected with runing rest, and wherein right crus of diaphragm frame, left foot frame and middle foot rest rotate each other to form through runing rest and close up state.
Said runing rest includes right support, left socle, medium-height trestle; Medium-height trestle is made up of support arm and cylindric rack body; The middle part of cylindric rack body is provided with the axially extending bore of a coaxial cable; Two ends at cylindric rack body are provided with annular boss, on annular boss, are provided with projection, and annular boss and axially extending bore are coaxially set; Be provided with the circular hole that matches with the medium-height trestle annular boss at the middle part of right support; Right support cooperates installation and fixing through the middle part circular hole with the annular boss of medium-height trestle one end, be provided with the circular hole that matches with the medium-height trestle annular boss at the middle part of left socle, and left socle cooperates installation and fixing through the middle part circular hole with the annular boss of the medium-height trestle other end; Wherein the free end of right support, left socle, medium-height trestle is positioned on the same surface level, and the middle part circular hole of the axially extending bore of medium-height trestle, left and right sides support constitutes the through hole of runing rest together.
First flexure strip is installed on the said right support face; By the riveted joint of the projection on the annular boss medium-height trestle, right support and first flexure strip are linked together again; Second flexure strip is installed on the said left socle face, by the riveted joint of the projection on the annular boss medium-height trestle, left socle and second flexure strip is linked together again.
Said first sensor is installed on the right support; Second sensor is installed on the left socle; The 3rd sensor is installed on the medium-height trestle; On the support arm of medium-height trestle, be provided with groove, the transit line plate arranged, the end of foot rest face-piece during main circuit board is fixed at the groove internal fixation; Each sensor conductor of first sensor, second sensor and the 3rd sensor compiles through the transit line plate and is welded to connect with main circuit board after being merged into four output leads, and wherein the sensor conductor of first sensor, second sensor all passes through the through hole of runing rest.
The two ends of the cylindric rack body of said medium-height trestle are equipped with one section circular arc stopper slot coaxial with cylindric rack body; The segment angle of the circular arc of said circular arc stopper slot is 120 °; On left socle, be provided with the protruding position of left socle; On right support, be provided with the protruding position of right support; And the protruding position of the left socle on the left socle and the protruding position of the right support on the right support are installed in the circular arc stopper slot on the corresponding end of cylindric rack body of medium-height trestle and only can in circular arc stopper slot separately, move, and the both ends of said cylindric rack body also are provided with axial circular hole, in the axial circular hole ball, spring, ball are installed successively all; The external diameter of two balls is identical; Said left socle is provided with the left socle circular hole, and right support is provided with the right support circular hole, and the internal diameter of left socle circular hole and right support circular hole is less than the external diameter of ball; When the angle of left socle and medium-height trestle, right support and medium-height trestle was 0 ° or 120 ° respectively, ball partly sank to inside left socle circular hole and the right support circular hole under the elastic force effect of spring.
Said right crus of diaphragm frame comprises right crus of diaphragm frame face-piece, right crus of diaphragm frame drain pan; The left foot frame comprises left foot frame face-piece, left foot frame drain pan; Foot rest face-piece, middle foot rest drain pan during middle foot rest comprises; Said right crus of diaphragm frame drain pan, left foot frame drain pan, middle foot rest drain pan are connected with right crus of diaphragm frame face-piece, left foot frame face-piece, middle foot rest face-piece buckle respectively, and the free end of middle foot rest drain pan and middle foot rest face-piece is formed with a cavity body, and main circuit board and scale display device are installed in the cavity body; The free end of right crus of diaphragm frame face-piece comprises right side half cavity; The free end of left foot frame face-piece comprises left side half cavity, and right side half cavity and left side half cavity merge formation one closed cavity, and the cavity body that the free end of middle foot rest drain pan and middle foot rest face-piece forms can be contained in closed cavity.
Said right crus of diaphragm frame, left foot frame and middle foot rest all are equipped with feet.
The utility model compared with prior art has the following advantages:
Through the described technical scheme of the utility model, i.e. rotation through horizontal direction is closed up the scale body, after so no matter opening or closing up; Used sensor all at grade; The thickness that is the scale body does not superpose, so can make the thickness of scale body accomplish about 17mm, carries very convenient.
Since in the rotational structure of runing rest, also realize the angle limit function and put prompt facility in place, more convenient to use like this, and measure accurately reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model electronic scales after closing up;
Fig. 2 is the structural representation () of the utility model electronic scales after launching;
Fig. 3 is the structural representation (two) of the utility model electronic scales after launching;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 removes the structural representation of face-piece for the utility model electronic scales;
Fig. 6 removes the structural representation () of shell for the utility model electronic scales;
Fig. 7 removes the structural representation (two) of shell for the utility model electronic scales;
Fig. 8 for Fig. 7 and remove sensor conductor after vertical view;
Fig. 9 is the structural representation that dissects at the A-A place of Fig. 4;
Figure 10 is the structural representation that dissects at the B-B place of Fig. 8;
Figure 11 is the runing rest decomposition texture synoptic diagram of the utility model electronic scales.
Embodiment
Below in conjunction with accompanying drawing the utility model electronic scales is described in further detail.
The utility model electronic scales; Comprise runing rest, right crus of diaphragm frame, left foot frame, middle foot rest, main circuit board, scale display device and power unit; At right crus of diaphragm frame, left foot frame and middle foot rest feet is installed all, first sensor is installed on the right crus of diaphragm frame, second sensor is installed on the left foot frame; On the middle foot rest the 3rd sensor is installed; First sensor, second sensor all are connected with the main circuit board signal through sensor conductor with the 3rd sensor, and main circuit board is connected with scale display device circuit, and wherein right crus of diaphragm frame, left foot frame, middle foot rest all are connected with runing rest; Wherein right crus of diaphragm frame, left foot frame and middle foot rest rotate each other to form through runing rest and close up state, and runing rest is one to be provided with the support of through hole.Do more detailed description below in conjunction with accompanying drawing:
Like Fig. 1-Figure 11; The one-piece construction of the utility model scale body of electronic scale is made up of right crus of diaphragm frame face-piece 1, left foot frame face-piece 2, middle foot rest face-piece 3, sensor 4, feet 5, runing rest 6, transit line plate 7, main circuit board 8, right crus of diaphragm frame drain pan 9, left foot frame drain pan 10, middle foot rest drain pan 11, battery cover 12, screw 13; Wherein to be provided with 3 be first sensor, second sensor, the 3rd sensor to sensor 4; Through runing rest 6 right crus of diaphragm frame face-piece 1, left foot frame face-piece 2, middle foot rest face-piece 3, sensor 4 are linked together; Realize that three foot rests are opened in rotation under the user mode; Can three foot rest rotary foldings can be effectively reduced scale body volume like this when not using, very convenient in carrying; And be that first sensor is locked on the right support 61 of runing rest 6 with one of them sensor 4 through screw 13; Is second sensor through screw 13 with second sensor 4; Being locked on the left socle 62 of runing rest 6, is that the 3rd sensor is locked on the medium-height trestle 63 of runing rest 6 through screw 13 with the 3rd sensor 4 again.Above-mentioned is the main part of the utility model.Like Figure 11, runing rest 6 is core components of the utility model, and its agent structure is made up of right support 61, left socle 62, medium-height trestle 63, flexure strip 64, ball 65, spring 66.Medium-height trestle 63 is made up of support arm and cylindric rack body; On support arm, be provided with groove 634; Be equipped with one section circular arc stopper slot 633 coaxial with cylindric rack body at the two ends of cylindric rack body, the segment angle of the circular arc of said circular arc stopper slot 633 is 120 °.Right support 61 middle parts are circular holes; Directly the medium-height trestle positive stop lug boss 635 of this circular hole with medium-height trestle 63 reverse side cooperated; Again one of them flexure strip 64 is pressed on the right support 61, through protruding position 631 riveted joints of the medium-height trestle on the medium-height trestle 63 are linked together medium-height trestle 63, right support 61 and one of them flexure strip 64; In two medium-height trestle circular holes 632 of medium-height trestle 63, put into ball 65, spring 66, ball 65 then respectively in proper order; Press left socle 62 and another one flexure strip 64 again in the front of medium-height trestle 63; Last equally through protruding position 631 riveted joints of the medium-height trestle on the medium-height trestle 63 are linked together medium-height trestle 63, left socle 62 and another one flexure strip 64, so just accomplished the assembling process of whole runing rest 6.Because the end of right support 61, left socle 62, medium-height trestle 63 has guaranteed that all at same surface level sensor 4 no matter when all at same surface level, can effectively guarantee measuring accuracy, can make consistency of thickness before and after the scale folded body again, thickening can not superpose.Wherein right support 61, left socle 62 constitute by a pan and a support arm, and the pan middle part is provided with circular hole.In Fig. 5-Fig. 7, the end of foot rest face-piece 3 during main circuit board 8 is locked at through screw 13, the conversion, calculating, output demonstration and the button that play the weight measurement signal trigger function; Transit line plate 7 is adjacent in the medium-height trestle groove 634 that medium-height trestle 63 is provided with through Double-face gummed paper; Play sensor conductor 41 with three sensors 4; Wherein each sensor has three sensor conductors totally nine sensor conductors, compiles the effect that four output leads 14 import main circuit board 8 into that is merged into.Wherein the sensor conductor 41 of the sensor 4 on the right crus of diaphragm frame face-piece 1 is guided to the reverse side of runing rest 6 through right support through wires hole 613; Runing rest through hole 67 through runing rest 6 middle parts enters in the medium-height trestle groove 634 of medium-height trestle 63 again, is welded direct on the transit line plate 7 again; The sensor 41 of the sensor 4 on the left foot frame face-piece 2 is directly guided to the front of runing rest 6, and the runing rest through hole 67 through runing rest 6 middle parts enters in the medium-height trestle groove 634 of medium-height trestle 63 equally, also is welded direct on the transit line plate 7; 4 of sensors on the middle foot rest face-piece 3 directly are welded to sensor conductor 41 on the transit line plate 7; With output lead 14 transit line plate 7 is connected conducting with main circuit board 8 at last; Just accomplished the signals transmission of all sensors 4 and main circuit board 8; Can effectively reduce the number of conductors in the scale body like this, prevent that unnecessary line from running into the sensor 4 that is fixed on the medium-height trestle 63 and influencing measuring accuracy.
In the rotational structure of runing rest 6, also realize the angle limit function and put prompt facility in place.The angle limit function is specific as follows: owing to be that two ends all have a medium-height trestle circular arc stopper slot 633 in the positive and negative both sides of medium-height trestle 63; And can only move for 633 li at the circular arc stopper slot of medium-height trestle with the protruding position 612 of the right support on the right support 61 the protruding position 622 of the left socle on the left socle 62; When having guaranteed that rotation is opened; The angle maximum that left socle 62 and medium-height trestle 63, right support 61 and medium-height trestle are 63 can only arrive 120 °, prevents the excessive product measuring accuracy that influences of angle.The prompt facility that puts in place is specific as follows: two balls 65 and a spring 66 have all been placed in two medium-height trestle circular hole 632 the insides at medium-height trestle 63; When the angle of left socle 62 and medium-height trestle 63, right support 61 and medium-height trestle 63 is 0 ° or 120 ° respectively; Ball 65 is understood right support circular hole 611 the insides of some left socle circular hole that sinks to left socle 62 621 and right support 61 owing to receive the elastic force effect of spring 66.Because the diameter of ball 65 is bigger than the diameter of left socle circular hole 621 and right support circular hole 611; Therefore ball 65 can block left socle 62 and right support 61; And send the sound of corresponding " answering ", so just can point out the user to know whether the utility model opens fully or close up and put in place.When applying big slightly power, ball 65 can be thrown off left socle circular hole 621 and right support circular hole 611, and left socle 62 can continue rotation again with right support 61.
In order to guarantee the measuring accuracy of the utility model, then require the structure of runing rest 6 must be very compact, left socle 62 must be as far as possible little with the gap of medium-height trestle 63, right support 61 and medium-height trestle 63.Therefore in structure, use flexure strip 64.Flexure strip 64 be through riveted and fixed on medium-height trestle 63; Because the elastic reaction of flexure strip 64; Can the gap of left socle 62 and medium-height trestle 63, right support 61 and medium-height trestle 63 be eliminated and can be stressed too not big when the riveted joint, cause left socle 62, right support 61 to rotate.Feet 5 is fixed on the sensor 4 through the technology of scalding glue, is the part of unique contact desktop when measuring weight, has played the effect of supporting whole scale body.
After all build-in components assemblings; Just can right crus of diaphragm frame drain pan 9, left foot frame drain pan 10, middle foot rest drain pan 11 be clamped on respectively on right crus of diaphragm frame face-piece 1, left foot frame face-piece 2, the middle foot rest face-piece 3; Owing to be the structure of utilizing buckle to lock; Therefore any screw can not see in whole scale surface, assembles very convenient, and neat and artistic.
In Fig. 2, Fig. 4; Display mirror 15 is display parts of the utility model; When right crus of diaphragm frame face-piece 1, when 2 rotations of left foot frame face-piece are opened, can come operating function through the touch key-press on the display mirror 15 151, when right crus of diaphragm frame face-piece 1, when 2 rotations of left foot frame face-piece are closed up; Right crus of diaphragm frame face-piece 1, left foot frame face-piece 2 ends shelter from display mirror 15, have effectively protected the display part.Aforementioned end all refers to the free end of each parts.
The utility model links together right crus of diaphragm frame face-piece 1, left foot frame face-piece 2, middle foot rest face-piece 3, sensor 4 through runing rest 6, makes right crus of diaphragm frame face-piece 1, left foot frame face-piece 2, middle foot rest face-piece 3 to rotate each other, realizes the function of rotary folding; And sensor conductor 41 is connected on the transit line plate 7 through runing rest 6, measuring-signal is gathered be input to main circuit board 8, thereby realizes measuring under the rotary folding prerequisite function of Item Weight.And the method for the utility model through rotation realizes folder function, make no matter open or close up after, sensor 4 all at grade, promptly the thickness of scale body can not superpose, so can make the thickness of scale body accomplish about 17mm, is convenient for carrying.The structure of runing rest 6 has also realized the angle limit function and has put prompt facility in place in addition, uses very hommization.