CN2090523U - Sliding gauge type balance - Google Patents

Abstract

The utility model discloses a sliding gauge type balance, in which a power pivot of the lever is changed by the movement of a slide relatives to a slide seat, and double-faced reading number and reading face by a vernier are adopted. The utility model has the advantages of convenient portability, and high accuracy. The sliding gauge type balance which can replace a steelyard is a new universal weighing apparatus. The utility model comprises a slide seat (4), and a framework slide (1) which can move relative to the slide seat (4). A knife-edge for hanging thallium and a beating (7) for hanging thallium are positioned on the left end of the slide (1); a supporting point knife-edge (5), emphasis knife-edge (3), and bearing are arranged on the slide seat. The sliding gauge type balance can be made into a micro weigher which is suitable for consumers to weigh commodities within 6 kg and a series of weigher within 200 kg which is corresponding to the steelyard. Compared with the steelyard, the utility model has the advantages that reception isn't easily made, the sliding gauge type balance can be conveniently produced in bulk by mechanization, the number can be read by two faces, the number can be read by the vernier, etc.

Description

Sliding gauge type balance

The utility model relates to general Weighing apparatus particularly easy to carry.

Present portable Weighing apparatus has steelyard, hand spring scale.And hand spring scale is inaccurate because of weighing, can not make general weighing apparatus.Steelyard also carries inconvenience because of bar is oversize, adds that steelyard is yielding, precision is difficult for improving, and shortcoming such as rehearse easily makes troubles for market, measuring control.Consumer's interests that particularly illegal retailer has practised fraud grievous injury.But because steelyard has cheap and portable advantage, generally use in China town and country always, still do not have desirable replacement product at present.

In order to address this problem, I proposed in 882004670 " vernier balances " patent once that slide rule moves in sliding sleeve with the similar method of the utility model, but since the manufacturing process of sliding sleeve complexity reduce cost unfavorablely, prop up in addition.The emphasis knife is formed by the two halves knife, adjusts difficulty.

The purpose of this utility model be to provide a kind of easy to carry, precision is higher, is difficult for rehearsing, the general Weighing apparatus of inexpensive alternative steelyard.

The purpose of this utility model is achieved in that a kind of novel Weighing apparatus of design, and this device has a slide, with a shaped as frame slide rule that moves relative to slide, have on the slide and prop up, emphasis knife and cutter hold, and are carved with the scale of graticule or certain precision in the position corresponding with slide rule.The upper and lower chi of shaped as frame slide rule is carved with the weighing line.The left end of slide rule has the thallium knife of extension and cutter to hold, and cutter holds and hangs with the extension thallium.The extension thallium of left end by the slide rule band moves relative to slide, thereby changes the position (promptly moving the partly position of center of gravity) in lever force, and slide rule had both played leverage, and the quality of himself is again the part of scale thallium.

The utility model is because of the basic steel components that adopts, and its processing technology is ripe, and machining precision easily improves, but mechanization is produced in batches and is reduced manufacturing cost, add the graduating accuracy height, reading error is little, and on the theoretical lever line of the mass cg basic role of each parts of this scale, thereby after bar (chi) is grown up big the shortening, also can reach the precision of steelyard, the mobility of its precision is little, scale light from the anharmonic ratio steelyard, serviceable life is also longer, thereby reaches the purpose that replaces steelyard.

The concrete structure of utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is that Fig. 2 is the right view of miniature Weighing apparatus according to the front view of the miniature Weighing apparatus that the utility model proposes.Fig. 3 is according to one of serial Weighing apparatus that the utility model proposes.

Below in conjunction with Fig. 1,2,3, describe the details and the working condition of concrete device of the present utility model in detail.

Fig. 1,2 devices comprise a slide (4) and a shaped as frame slide rule (1) that can move relative to slide (4), the left end of slide rule (1) has an extension thallium knife (8) and hangs the thallium cutter and hold (7), extension thallium cutter holds to be equipped with on (7) hangs thallium (9), increasing thallium (10) can add to be placed on and hang on the thallium (9), fulcrum knife (5) is arranged on the slide (4), emphasis knife (3) and fulcrum pivot hold (6), and emphasing knife holds (2), and emphasing knife holds hook (13) on (2).

Be carved with 0-1000 gram weighing line (is 10 grams with millimeter groove scale division value) in the last chi front of slide rule (1), 1-6 kilogram weighing line (is 50 grams with millimeter groove scale division value) is carved with in following chi front, and the weighing line (is 25 grams with millimeter groove scale division value) of 0.5-3 kilogram is carved with in the back of last chi.

Go up at slide (4) and correspondingly with 0-1000 gram and 0.5-3 kilogram to be carved with one and to mark graticule, the corresponding precision that is carved with the 1-6 kilogram is 0.2 millimeter a scale.

Do not have when increasing thallium (10), slide rule (1) and hang the quality of thallium (9) movable part of etc.ing and be Zhi Chong on the 100 gram slides (4) apart from being 10 millimeters, scale is during to the fulcrum balance, graticule is just in time to zero.Slide rule this moment (1) is every to be 10 grams to moving to left 1 millimeter, the maximum weighing of this grade is 1000 grams, when put increase thallium (10) after slide rule (1) and hang thallium (9), the gross mass that increases thallium mobile parts such as (10) is 500 grams, and this moment, the center of gravity of scale was moved to the left, and minimum weighing is 1 kilogram, hang on the steelyard hook 1 kilogram of counterweight balance at present the zero line of scale just in time aim at 1 kilogram, it is 50 grams that slide rule this moment (1) whenever is moved to the left 1 millimeter, and the reading accuracy of scale is 10 grams, and the maximum weighing of this grade is 6 kilograms.

For easy to carry, only add and increase 150 in the thallium (10) gram and increase thallium and just can claim the 0.5-3 kilogram, it is 250 grams that slide rule this moment (1) is hung the gross mass that thallium (9) and 150 grams increase movable parts such as thallium, it is 25 to restrain that slide rule (1) whenever is moved to the left 1 millimeter.The minimum weighing of this grade is 0.5 kilogram, and maximum weighing is 3 kilograms.

Hang right-hand the having of thallium (9) greater than the thick groove of chi, peg adopts oblate, increasing the thallium center has the diameter hole bigger than groove width to communicate with groove, and half-twist can prevent that increasing thallium comes off after will increasing thallium during use and snapping in oblate peg, and the time spent can not snap in slide rule to reduce in the thallium and deposit volume and be easy to carry.

Fig. 3 device comprises a slide (4) and a shaped as frame slide rule (1) that moves relative to slide (4), the left end of slide rule (1) has an extension thallium knife (8) and hangs the thallium cutter and hold (7), extension thallium cutter holds (7) extension thallium (9) upward fixedly is housed, there are two fulcrum pivot knives (5) and two fulcrum pivots to hold (6) and an emphasis knife (3) on the slide (4), an emphasing knife holds (2), and emphasing knife holds the hook (13) and a scale pan (15) on (2).

Two sides, the front and back symmetry of the last chi of slide rule (1) is carved with the weighing line (per 2 millimeter one lattice, scale division value are 50 grams) of 0-6 kilogram, and two sides, the front and back symmetry of following chi is carved with the weighing line (per 2 millimeter one lattice, scale division value are 200 grams) of 6-30 kilogram.

Slide (4) and the corresponding graticule that is carved with in the two sides of slide rule (1), in order to reduce the sliding friction between slide rule (1) and slide (4), be added with slide plate (12) therebetween, if slide plate (12) only need be changed in the wearing and tearing back, not only the precision of scale can be guaranteed but also life-span of scale can be prolonged, also can set up moving regulating mechanism (14), in order to the scale balance.

Locating device (11) also is housed so that weighing is fixed the weighing value or fix in advance required weighing after determining on the slide (4).

When carrying the fulcrum knob on the left side, this moment, Zhi Chong was apart from being 60 millimeters, and slide rule (1) and the gross mass of hanging the movable part of thallium etc. are 1500 grams, and during empty scale balance, graticule is to zero.This moment slide rule whenever be moved to the left 2 millimeters be 50 the gram.The maximum weighing of this grade is 6 kilograms.

When carrying right side fulcrum knob, this moment, the Zhi Chong distance was 15 millimeters, slide rule (1) and extension thallium movable part gross masses such as (9) still are 1500 grams, graticule is aimed at 6 kilograms of grooves when adding 6 kilopond weigher balances, it is 200 grams that slide rule this moment (1) whenever is moved to the left 2 millimeters, and the maximum weighing of this grade is 30 kilograms.Because identical weighing line is carved with on slide rule (1) two sides, corresponding graticule is carved with on the two sides of slide (4), so can two sides while reading.To the demanding scale of reading accuracy, can go up the position corresponding at slide (4) and carve the scale of certain precision with the weighing line, adopt vernier scale number reading method reading.

Claims (5)

1, general Weighing apparatus particularly easy to carry, this device has a slide (4) and a shaped as frame slide rule (1) that moves relative to slide (4), it is characterized in that slide rule (1) left end has the thallium knife (8) of extension and extension thallium cutter to hold (7), extension thallium cutter holds to be equipped with on the cutter hangs thallium (9), fulcrum knife (5) is housed on the slide (4), emphasis knife (3) and fulcrum pivot hold (6), and emphasing knife holds (2); Emphasing knife holds the hook (13) and the scale pan (15) is housed on (2).

2, device according to claim 1 is characterized in that being carved with different weighing lines (miniature balance) before and after the upper and lower chi of shaped as frame slide rule (1), but also can respectively carve identical weighing line two sides reading (serial scale) simultaneously at the front-back of upper and lower chi, hanging the thallium cutter holds down the fixing thallium (9) (serial scale) of hanging also can add different thallium (10), (miniature balances) of increasing on extension thallium (9).

3, device according to claim 1 is characterized in that on the slide (4) a fulcrum knob (miniature balance) being installed, and two fulcrum knobs (serial scale) also can be installed.Emphasing knife holds installs hook, also a scale pan (15) can be installed again, and slide (4) is gone up corresponding weighing line can only carve a graticule, also can carve the scale of certain precision.

4, device according to claim 1 is characterized in that can setting up locating device (11) at slide (4), and the slide plate (12) of reducing friction is housed between slide rule (1) and slide (4); Also can set up micromotion mechanism (14) in order to the scale balance.

5, device according to claim 1 is characterized in that hanging thallium (9) and also slotting except that increasing thallium (10) fluting.Increasing the thallium center has a diameter to connect than big circular hole of groove width and groove, and half-twist is with slip-off preventing (miniature balance) after will increasing thallium during use and snapping in oblate peg.