CN2345967Y

CN2345967Y - Quartz electronic counter scale

Info

Publication number: CN2345967Y
Application number: CN 98207869
Authority: CN
Inventors: 李月秋; 仲会民
Original assignee: CHENGDE ELECTRONIC INSTRUMENT FACTORY
Current assignee: CHENGDE ELECTRONIC INSTRUMENT FACTORY
Priority date: 1998-08-20
Filing date: 1998-08-20
Publication date: 1999-10-27
Anticipated expiration: 2008-08-20

Abstract

The utility model relates to a quartz electronic bench scale. The structure of the utility model comprises a fixing supporting rod for a base, a U-shaped sheet, a V-shaped knife holder, and a lever supported by the fulcrum of a tip blade of the knife holder which are all same as that of ordinary mechanical bench scales. The lever is in the shape a square frame, and the middle of the frame is provided with a cantilever which is extended forwards. The end part of the cantilever is provided with a hanging ring supported by power point knives extended from the two sides of the cantilever transversely. The hanging ring hangs a hanging frame. The hanging frame is provided with a quartz resonant sensor inside. A damping device is arranged between the lever and the quartz resonant sensor. The utility model has the advantages of mechanical bench scales and electronic bench scales simultaneously, and the advantages are simple structure, reliable performance, human error avoiding, and increased weighing efficiency.

Description

Quartz electronic counter scale

The utility model relates to weighing apparatus, and concrete is a kind of quartz electronic counter scale of dynamo-electric combination.

Along with the economic construction development, living standards of the people improve, and in people's consume activity, be unable to do without weighing apparatus all the time, the electronics counter scale that mechanical counter scale and digital display are arranged that existing standard measure is commonly used, counter scale is firm solid, long service life, but precision is relatively poor, is subjected to artificial factor affecting big.The electronics counter scale is relatively sensitiveer, degree of accuracy height, but complex structure, and the cost height, and fragile.

The purpose of this utility model provides a kind of quartz electronic counter scale, is transformed on the basis of original mechanical counter scale, makes it to combine with electronic scales, have the advantage of mechanical counter scale and electronics counter scale simultaneously, simple in structure, dependable performance, avoid personal error, improve the efficient of being weighed.

The purpose of this utility model is achieved in that

A kind of quartz electronic counter scale, its structure comprises the base identical with the standard machinery counter scale, be connected to the fixedly strut of the branching of base, hold with the cutter that the U matrix is connecting V-type at this fraction top, strut two ends, this cutter holds the fulcrum that is supporting triangle point sword, this left side, right fulcrum pivot is supporting lever, the both sides, rear end of this lever respectively have symmetrically arranged triangle sharp edge type emphasing knife supporting scale pan frame, this scale pan frame is supporting the scale pan, connecting movable strut at the center of lever, the end that base is passed in this strut lower end is hanging a laterally end hook of the movable branching rod of rotation, this pole holds hook to hang on the end of trimmer in addition, this trimmer is fixed in the bottom surface of base with screw and nut, it is characterized in that:

Described lever is square frame shape, the cantilever that stretches out before the middle part is oriented, there is the force cutter of the triangle sharp edge type that crosses out from both sides the end of this cantilever, this force cutter is supporting suspension ring, and these suspension ring hang a hanging box, and the quartz resonance sensor is housed in this hanging box, connect respective display through extension line, this quartz is wiped the vibration sensor lower end and is supported on a steel ball, and this steel ball supporting is in the inner face of going to the bottom of hanging box, and this hanging box is supported on the sensor fixed bar that is fixed on the base;

Between lever and quartz resonance sensor, be provided with vibration absorber.

The described vibration absorber that is arranged between lever and the quartz resonance sensor is a spring, and the upper end of this spring is connected in suspension ring, and the lower end of this spring is hanging hanging box.

The described vibration absorber that is arranged between lever and the quartz resonance sensor is the rubber big and heavy stone, and this rubber big and heavy stone is arranged between scale pan bottom surface and the scale pan frame.

The utility model has following actively useful effect:

The utility model is transformed on the basis of original AGT type counter scale, remove former scale scale, sliding weight, balanced weight, increase stone roller and increase the stone roller dish, hang up a quartzy formula weighing sensor, with sensor extension line and microprocessor is that the weight display of core is connected, show by liquid crystal display, promptly constituting a complete quartzy digital display case claims, the advantage that has possessed mechanical scale and electronics counter scale simultaneously: simple in structure, cost is low, need not manually take charge of scale, avoided personal error, improved the accuracy of being weighed and the efficient of being weighed, applicability is strong.

Now in conjunction with the accompanying drawings with preferred embodiment:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the vertical view of figure;

Fig. 3 is the side view of Fig. 1;

Fig. 4 is the main body profile synoptic diagram of the utility model one embodiment.

Accompanying drawing number:

1. base 2. sensor fixed bars 3. steel balls

4. quartz resonance sensor 5. hanging boxes 6. springs

7. suspension ring 8. force cuttves 9. stops

10. lever 101. cantilevers

11.U matrix 12. fulcrum pivots

13. cutter holds 14. fixing strut 15. scale pan framves

16. emphasing knife 17. movable strut 18. movable branching rods

19. trimmer 20. screws 21. nuts

22. screw 23. scales pan 24. extension lines

Please refer to Fig. 1 Fig. 2 Fig. 3 Fig. 4, a kind of quartz electronic counter scale of the present utility model, its structure comprises the base 1 identical with the standard machinery counter scale, be connected to the fixedly strut 14 of the fraction of base, this fraction top, strut two ends holds 13 with the cutter that U matrix 11 is connecting V-type, this cutter holds 13 fulcrums 12 that supporting triangle point sword, this left side, right fulcrum pivot is supporting lever 10, the both sides, rear end of this lever 10 respectively have symmetrically arranged triangle sharp edge type emphasing knife 16 supporting scale pan frame 15, this scale pan frame 15 is supporting the scale pan 23, connecting movable strut 17 at the center of lever 10, the end that base 1 is passed in these strut 17 lower ends is hanging a laterally end hook of the movable branching rod 18 of rotation, this pole holds hook to hang on the end of trimmer 19 in addition, this trimmer 19 is with

screw

10,22 and nut 21 be fixed in the bottom surface of base 1, it is characterized in that:

Described lever 10 is square frame shape, the cantilever 101 that stretches out before the middle part is oriented, there is the force cutter 8 of the triangle sharp edge type that crosses out from both sides the end of this cantilever 101, this force cutter is supporting suspension ring 7, and these suspension ring hang a hanging box 5, in this hanging box 5 quartz resonance sensor 4 is housed, connect respective display through extension line 24, this quartz resonance sensor lower end is supported on a steel ball 3, and this steel ball 3 is supported on the inner face of going to the bottom of hanging box 4, and this hanging box 5 is supported on the sensor fixed bar 2 that is fixed on the base 1;

Between lever 10 and quartz resonance sensor 4, be provided with vibration absorber.

The described vibration absorber that is arranged between lever 10 and the quartz resonance sensor 4 is a spring 6, and the upper end of this spring is connected in suspension ring 7, and the lower end of this spring is hanging hanging box 5 and seeing Fig. 6.

The described vibration absorber that is arranged between lever 10 and the quartz resonance sensor 4 is the rubber big and heavy stone, and this rubber big and heavy stone is arranged between the scale pan 23 bottom surfaces and the scale pan frame 15 (accompanying drawing does not show).

Principle of work of the present utility model:

This scale has a fixing strut 14 on base 1, top is provided with fulcrum pivot 12, be used for support lever 10.Right-hand member has a movable strut 17, and emphasing knife 16 is housed on it, to bear the scale pan and to go up the gravity that the article transmission comes, with the fulcrum pivot 12 accurate brachium ratios that embody lever.The other end (left end) at lever 10 is provided with force cutter 8, with the fulcrum pivot 12 accurate brachium ratios that embody lever.Simultaneously, the loading of bearing on the lever 10 is delivered on the force cutter 8 by the brachium ratio.Force cutter 8 connects a spring 6 by suspension ring 7, to play damping effect.Under hang a quartz resonance sensor 4.Transmission for tension sensor assurance power is provided with sensor hanging box 5, steel ball 3 and sensor fixed bar 2.After lever 10 stressed overloads, spring 6 elongations move on the left end, have stop 9 spacing, are without prejudice with protection quartz resonance sensor 4, adjust bolt 21 and nut 20, and trimmer 19 is moved up and down, and are used for adjusting the unbalance loading of left and right directions.Rotating fulcrum cutter 12 and emphasing knife 16 can adjust the rear to unbalance loading.

After being claimed that article are placed on the scale pan, its gravity passes on the force cutter 8 by certain brachium ratio by emphasing knife 16 and fulcrum pivot 12, pulling sensor hanging box 5, its power that makes progress is upwarded pressure quartz resonance sensor 4 by steel ball 3, so sensor cooperates with oscillatory circuit, export the frequency signal that pressure therewith is linear change, produce the reference frequency of a 3.579MHZ in addition by reference crystal oscillator and oscillatory circuit, give differential frequency circuit simultaneously with a last frequency, produce difference frequency signal.After microprocessor processes, obtain being claimed the weight of thing, output to the enterprising line number word of LCDs and show that this is a complete quartz electronic counter scale.

Described oscillatory circuit, microprocessor and LCDs can be used prior art, and this instructions does not describe in detail.

Claims

1. quartz electronic counter scale, its structure comprises the base (1) identical with the standard machinery counter scale, be connected to the fixedly strut (14) of the fraction of base, (13) are held with the cutter that U matrix (11) is connecting V-type in this branching top, strut two ends, this cutter holds the fulcrum (12) that (13) are supporting triangle point sword, this left side, right fulcrum pivot is supporting lever (10), the both sides, rear end of this lever (10) respectively have symmetrically arranged triangle sharp edge type emphasing knife (16) supporting scale pan frame (15), scale pan frame (15) is supporting the scale pan (23), connecting movable strut (17) at the center of lever (10), the end that base (1) is passed in this strut (17) lower end is hanging a laterally end hook of the movable branching rod (18) of rotation, this pole holds hook to hang on the end of trimmer (19) in addition, this trimmer (19) is with screw (10,22) and nut (21) be fixed in the bottom surface of base (1), it is characterized in that:

Described lever (10) is square frame shape, the cantilever (101) that stretches out before the middle part is oriented, there is the force cutter (8) of the triangle sharp edge type that crosses out from both sides the end of this cantilever (101), this force cutter is supporting suspension ring (7), these suspension ring hang a hanging box (5), quartz resonance sensor (4) is housed in this hanging box (5), connect respective display through extension line (24), this quartz is wiped the vibration sensor lower end and is supported on a steel ball (3), this steel ball (3) is supported on the inner face of going to the bottom of hanging box (5), and this hanging box (5) is supported on the sensor fixed bar (2) that is fixed on the base (1);

Between lever (10) and quartz resonance sensor (4), be provided with vibration absorber.

2. quartz electronic counter scale as claimed in claim 1, it is characterized in that: the described vibration absorber that is arranged between lever (10) and the quartz resonance sensor (4) is a spring (6), the upper end of this spring is connected in suspension ring (7), and the lower end of this spring is hanging hanging box (5).

3. quartz electronic counter scale as claimed in claim 1 is characterized in that: the described vibration absorber that is arranged between lever (10) and the quartz resonance sensor (4) is the rubber big and heavy stone, and this rubber big and heavy stone is arranged between the scale pan (23) bottom surface and the scale pan frame (15).