CN2145990Y

CN2145990Y - Multipurpose portable spring scale

Info

Publication number: CN2145990Y
Application number: CN 93202140
Authority: CN
Inventors: 王有国
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-18
Filing date: 1993-01-18
Publication date: 1993-11-10
Anticipated expiration: 2003-01-18

Abstract

The utility model relates to a multipurpose portable spring scale, comprising an outer shell, a weight graduated disk, a scale, etc. The weight graduated disk is fixed in the outer shell. The utility model is characterized in that a kilogram pointer which synchronously rotates with a driven gear and a gram pointer which synchronously rotates with a drive gear are respectively arranged on the weight graduated disk; the drive gear is engaged with the driven gear, and a windlass is fixedly arranged on the rotating shaft of the drive gear; a rope provided with an elastic device is wound on the windlass, and the outer shell is provided with an outer cylinder; an inner cylinder which can relatively motion and is externally sheathed with a spring is arranged in the outer cylinder; the inner wall of the outer cylinder is in the inverted convex shape to prevent the spring from extruding; the upper end of the inner cylinder is provided with a press cover for squeezing the spring; when the press cover is pressed downwards or returns to the original position, the movement of the rope makes the windlass move flexibly; the lower end of the inner cylinder is fixedly provided with a hook, and a price-counting graduated disk which synchronously rotates with a drive gear is arranged in the outer shell.

Description

Multipurpose portable spring scale

The utility model relates to a kind of scale, relates in particular to a kind of portable spring scale.

At present, the various portable spring scales that use on the market all can not accounting price.Announced a kind of " portable pointer demonstration spring balance " on the utility model patent communique, its notification number is CN206613U, it is made up of scale body, drop handle, steelyard hook, index dial, pointer and case, it is characterized in that adopting two springs of weighing, rotate with gear, dial needle shows that index dial divides 200 reticules, and the value of each reticule is 10 grams.Because it has only adopted a gear, therefore only drive a root pointer and rotate, kilogram, gram can produce bigger error, and it does not have pricing device with root pointer indication.

The purpose of this utility model provides the portable spring scale that a kind of kilogram, gram are accurate with pointer indication, weighing respectively and can valuate.

In order to achieve the above object, the utility model is achieved in that it comprises shell, weight scale dish etc.; The weight scale dish is fixed in its shell; It is characterized in that: the weight scale dish is provided with the kilogram pointer that rotates synchronously with follower gear; Also be provided with the gram pointer that rotates synchronously with driving gear on the weight scale dish, driving gear and follower gear engagement; Be fixed with the well-pulley rumble in the rotating shaft of driving gear, be wound with the rope that is provided with elastic device on the well-pulley rumble; Be provided with urceolus in the enclosure, but be provided with an outer inner core that is with spring and relative motion in the urceolus, outer tube inner wall is down " protruding " shape, extrudes to prevent spring; The inner core upper end is provided with the gland of extrusion spring; The rope motion is scratched the well-pulley rumble when gland presses down or reset, and also is fixed with hook in the inner core lower end; Also be provided with the valuation index dial in the enclosure.Weight scale is marked with the circle of two decentraction, divides ten reticules in the less circle, and each reticule is 0.5 kilogram; Divide 200 reticules in the bigger circle, each reticule is 5 grams, 1000 gram errors ± 2.5 grams, and maximum is weighed as 5 kilograms.Valuation has 9 concentric circless on the index dial, be followed successively by 1,2,3 from inside to outside ..., No. 9, No. 1 circle divides 10 to carve for 100 little quarters greatly; No. 2 circle divides 20 to carve for 100 little quarters greatly; No. 3 circle divides 30 to carve for 120 little quarters greatly; No. 4 circle divides 40 to carve for 160 little quarters greatly; No. 5 circle divides 50 to carve for 100 little quarters greatly; No. 6 circle divides 60 to carve for 120 little quarters greatly; No. 7 circle divides 70 to carve for 140 little quarters greatly; No. 8 circle divides 80 to carve for 160 little quarters greatly; No. 9 circle divides 90 to carve for 180 little quarters greatly; Horizontal line on the backboard on the shell 1 is as zero line, on 9 the concentric circles zero-bit zero set lines on the valuation rotating disk 16, zero line and valuation index dial 16 9 circles points of tangency from inside to outside indicate 1,2,3 successively ..., 9.If claim that the weight of thing is 800 grams, per kilogram is 4.5 yuan, and gland is toward pressing down, and the well-pulley rumble is scratched, drives driving gear and follower gear and rotates, and at this moment, the kilogram pointer is between the 0.5-1 kilogram at the 1-2 scale, and the gram pointer is on 800 gram scales; The valuation index dial also rotates, and at this moment, write down the number of aiming at No. 4 circles on the horizontal zero bit line on the valuation index dial: 3.2 yuan, the number of No. 5 circles: 0.4 yuan, last two number additions get 3.6 yuan.If price is three figure places,, read title thing weight and price so then with the corresponding three number additions that draw.

The first kind of fixed solution of the axle of driving gear and follower gear and the scheme of scratching of first kind of well-pulley rumble are: be provided with a support on shell, the axle of driving gear and follower gear is located on this support and turns.Rope one end is connected with gland, and the other end is connected with the coupling arrangement of urceolus lower end, and the position that is positioned at coupling arrangement in inner core is provided with the hole that makes its axially-movable.

Valuation index dial and driving gear rotate synchronously, and the rotating shaft of its rotating shaft and driving gear is fixed; Coupling arrangement is a cross bar, regulates elastic device on the rope and makes gram pointer and kilogram pointer return zero device also being provided with one on the cross bar.This zero resetting device can be conical screw.

Second kind of fixed solution of the axle of driving gear and follower gear is: be located at and be respectively equipped with the rotating shaft that makes follower gear and the rotating shaft location and the rotating device of driving gear on the outer tube wall in the shell; The rotating shaft position that is positioned at the rotating shaft of follower gear and driving gear on the inner core is provided with and can allows the hole of its axially-movable.One end of rope is connected with gland, and the other end is connected with the inner core lower end.

Valuation index dial and driving gear rotate synchronously, and the rope on the well-pulley rumble also can be connected with gland by making gram pointer and kilogram pointer return zero device.This zero resetting device can be cylindrical screw rod.

The utility model compared with prior art has:

1, weighing precision height;

But 2 accounting prices;

3, be easy to carry;

4, make low price easily.

Fig. 1 is the front view of first kind of embodiment of the utility model;

Fig. 2 is the A-A cut-open view of first kind of embodiment of the utility model;

Fig. 3 is the user mode figure of the valuation of first kind of embodiment of the utility model;

Fig. 4 is the front view of second kind of embodiment of the utility model;

Fig. 5 is the A-A cut-open view of second kind of embodiment of the utility model;

Below in conjunction with accompanying drawing the utility model is described in further detail:

Embodiment one:

As shown in Figure 1, 2, 3, it comprises multipurpose portable spring balances such as shell 1, weight scale dish 3, support 15, and weight scale dish 3, support 15 are fixed in the shell 1; Weight scale dish 3 is provided with kilogram pointer 4 that rotates synchronously with follower gear 2, and the rotating shaft of kilogram pointer 4 is coaxial with the rotating shaft 21 of follower gear 2, and the crosswise fixed of support 15 has cylinder 19, and the rotating shaft 21 of follower gear 2 is inserted in this cylinder 19 and turned; Also be provided with the gram pointer 5 that rotates synchronously with driving gear 6 on the weight scale dish 3, the rotating shaft of gram pointer 5 is coaxial with the rotating shaft 18 of driving gear 6, driving gear 6 and follower gear 2 engagements, the crosswise fixed of support 15 has cylinder 22, and the rotating shaft 18 of driving gear 6 is inserted in the cylinder 22 also rotatable; Be fixed with well-pulley rumble 20 in the rotating shaft 18 of driving gear 6; On shell 1, be fixed with urceolus 7; But in urceolus 7, be provided with the inner core 9 of an outer casing spring 8 and relative motion, the lower open end of urceolus 7 be provided with one prevent that spring 8 from extruding fall protruding 12; The upper end of inner core 9 is provided with the gland 23 of an extrusion spring 8, and gland 23 can slide in urceolus 7; Be wound with the rope 14 that is provided with elastic device 13 on well-pulley rumble 20, this elastic device is a spring; One end of rope 14 is connected with gland 23, the other end of rope 14 is connected with the stationary installation 25 of the lower end of urceolus 7, this stationary installation 25 is a cross bar, also is provided with the above-mentioned elastic device 13 of an adjusting and makes

gram pointer

5 and 4 times zero devices 10 of kilogram pointer on cross bar, and this zero resetting device 10 is a conical screw.Being positioned at the cross bar position on inner core 9 walls is provided with and can allows the hole 26 of its axially-movable.Inner core 9 lower ends also are fixed with hook 11; Also be provided with the valuation index dial 16 that rotates synchronously with driving gear 6 in shell 1, the rotating shaft of valuation index dial 16 is coaxial with the rotating shaft of driving gear.The utility model also can, valuation index dial 16 is fixed in the shell 1, is provided with valuation pointers that rotate synchronously with driving gear 6 in valuation index dial 16 central authorities, the valuation pointer is coaxial with the rotating shaft 18 of driving gear 6.

Embodiment two:

Shown in Fig. 4,5, it comprises multipurpose portable spring balances such as shell 1, weight scale dish 3; Weight scale dish 3 is fixed in the shell 1; Weight scale dish 3 is provided with the kilogram pointer 4 that rotates synchronously with follower gear 2, and the rotating shaft of kilogram pointer 4 is coaxial with the rotating shaft 21 of follower gear 2; Also be provided with the gram pointer 5 that rotates synchronously with driving gear 6 on the weight scale dish 3, the rotating shaft of gram pointer 5 is coaxial with the rotating shaft 18 of driving gear 6; Driving gear 6 and follower gear 2 engagements; In shell 1, also be fixed with urceolus 7; Be fixed with rotating shaft 18 location and the rotating devices of the rotating shaft 21 that makes follower gear 2 and driving gear 6 on the wall of urceolus 7 respectively, this device is two

cylinders

19,22, and rotating

shaft

21,18 is inserted in two

cylinders

22,19 and be rotatable; Be provided with an outer casing spring 8 and relatively-movable inner core 9 in the urceolus 7; The inwall of urceolus 7 is reversed convex type 12, extrudes to prevent spring 8; Rotating shaft 18 positions that are positioned at the rotating shaft 21 of follower gear 2 and driving gear 6 on inner core 9 walls are provided with and can allow the hole of its axially-movable, the gland 23 that one extrusion spring is arranged in inner core 9 upper ends, gland 23 can slide in urceolus 7, is positioned in the rotating shaft 18 of driving gear 6 to be fixed with well-pulley rumble 20 in inner core 9; On well-pulley rumble 20, be wound with the rope 14 that is provided with elastic device 13, this elastic device can be spring or elastic rope, one end of rope 14 can be connected with gland 23 by the device 10 that makes gram pointer 5 and kilogram pointer 4 times zero, and this zero resetting device 10 is cylindrical screw rod; The other end of rope 14 is connected with inner core 9 lower ends; The also intrinsic hook 11 in inner core 9 lower ends; In shell 1, also be provided with the valuation index dial 16 that rotates synchronously with driving gear 6.The rotating shaft of valuation index dial 16 is coaxial with the rotating shaft 18 of driving gear 6.Equally, the utility model can, valuation index dial 16 is fixed in the shell 1, is provided with valuation pointers that rotate synchronously with driving gear 6 in valuation index dial 16 central authorities, the valuation pointer is coaxial with the rotating shaft 18 of driving gear 6.Weighing, valuate and implementing of this kind scale one is the same.

Claims

1, a kind of multipurpose portable spring balances such as shell 1, weight scale dish 3 that comprise, weight scale dish 3 is fixed in the shell 1; It is characterized in that: the kilogram pointers 4 that weight scale dish 3 is provided with and follower gear 2 rotates synchronously, the rotating shaft 21 of follower gear 2 are located on the support 15 in the shell 1 and are rotatable; Also be provided with on the weight scale dish 3 and gram pointers 5 that driving gear 6 rotates synchronously, driving gear 6 and follower gear 2 engagements are fixed with well-pulley rumble 20 in the rotating shaft 18 of driving gear 6, and its end is located on the support 15 in the shell 1 and is rotatable; On shell 1, be fixed with urceolus 7; But be provided with the inner core 9 of an outer casing spring 8 and relative motion in urceolus 7, the lower open end of urceolus 7 is provided with one and prevents the boss 12 that spring 8 is extruded; The upper end of inner core 9 is provided with the gland 23 of an extrusion spring 8; On well-pulley rumble 20, be wound with the rope 14 that is provided with elastic device 13; One end of rope 14 is connected with gland 23, and the other end of rope 14 is connected with the stationary installation 24 of urceolus 7 lower ends, is positioned at stationary installation 24 positions on inner core 9 walls and is provided with the hole 26 that can make its axially-movable; Inner core 9 lower ends also are fixed with hook 11; In shell 1, also be provided with valuation index dial 16.

2, multipurpose portable spring balance according to claim 1: it is characterized in that: valuation index dial 16 rotates synchronously with driving gear 6.

3, multipurpose portable spring balance according to claim 1 and 2 is characterized in that: the rotating shaft 17 of valuation index dial 16 is fixing with the rotating shaft of driving gear 6 18.

4, multipurpose portable spring balance according to claim 1 is characterized in that: stationary installation 24 is cross bar, also is provided with the above-mentioned elastic device 13 of an adjusting and makes gram pointer 5 and 4 times zero devices 10 of kilogram pointer on cross bar.

5, multipurpose portable spring balance according to claim 4: it is characterized in that: this zero resetting device 10 is conical screw.

6, a kind of multipurpose portable spring balances such as shell 1, weight scale dish 3 that comprise; Weight scale dish 3 is fixed in the shell 1; It is characterized in that: weight scale dish 3 is provided with the kilogram pointer 4 that rotates synchronously with follower gear 2; Also be provided with on the weight scale dish 3 and the gram pointer 5 of driving gear 6 with rotation; Driving gear 6 and follower gear 2 engagements; In shell 1, also be fixed with urceolus 7; Be fixed with rotating shaft 18 location and the rotating devices 25 of the rotating shaft 21 that makes follower gear 2 and driving gear 6 on the wall of urceolus 7 respectively; Be provided with an outer casing spring 8 and relatively-movable inner core 9 in the urceolus 1; The inwall of urceolus 7 is reversed convex type 12, extrudes to prevent spring 8; Rotating shaft 18 positions that are positioned at the rotating shaft 21 of follower gear 2 and driving gear 6 on inner core 9 walls are provided with and can allow the hole 27 of its axially-movable, and the gland 23 of an extrusion spring 8 is arranged in inner core 9 upper ends, are positioned in the rotating shaft 18 of driving gear 6 to be fixed with well-pulley rumble 20 in inner core 9; Be wound with the rope 14 that is provided with elastic device 13 on well-pulley rumble 20, an end of rope 14 is connected with gland 23, and the other end is connected with inner core 9 lower ends; The also intrinsic hook 11 in inner core 9 lower ends; In shell 1, also be provided with valuation index dial 16.

7, multipurpose portable spring balance according to claim 6: it is characterized in that: valuation index dial 16 rotates synchronously with driving gear 6.

8, according to claim 6 or 7 described multipurpose portable spring balances, it is characterized in that: the rotating shaft 17 of valuation rotating disk 16 is fixing with the rotating shaft of driving gear 6 18.

9, multipurpose portable spring balance according to claim 6 is characterized in that: rope 14 also can be connected with gland 23 by the device 10 that makes gram pointer 5 and kilogram pointer 4 times zero.

10, multipurpose portable spring balance according to claim 9: it is characterized in that: zero resetting device 10 is cylindrical screw rod.