CN2225029Y - Spring scale with two-side dial indicator - Google Patents
Spring scale with two-side dial indicator Download PDFInfo
- Publication number
- CN2225029Y CN2225029Y CN 94228529 CN94228529U CN2225029Y CN 2225029 Y CN2225029 Y CN 2225029Y CN 94228529 CN94228529 CN 94228529 CN 94228529 U CN94228529 U CN 94228529U CN 2225029 Y CN2225029 Y CN 2225029Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- movement
- tooth bar
- bearing frame
- clamping plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model belongs to the improvement of a spring scale of two-side dial indicator type, and is composed of a scale pan, a supporting bracket, an integral movement, a base plate, a casing, a dial, etc. A four-bar mechanism is composed of a lower bearing support of the scale pan and a movement support clamping plate, and the lower bearing support of the scale pan and the movement support clamping plate are connected by four center penetrating shafts. Two symmetrical tension metering springs are arranged on the bearing support, two rack bar connecting rod pulling sheets arranged at the vertical plate at one side are connected with a rack bar connecting rod and a rack bar through a shoulder screw. Two movement support clamping plates are connected into integration through three screw bolts, two sloping plats and an upper hanger plate. The lower end is fixed to the base plate, and an integral movement is formed. The integral movement of the utility model has the advantages of high strength, good stability, convenient assembly, easy debugging and accurate and reliable metering performance.
Description
The utility model belongs to the improvement of the desk-top spring balance of two-sided scale.
At present, the Weighing utensil that generally uses on the market is steelyard and lever counter scale at home.The operability that these two kinds of measurement instruments can be done to cover is very big, can't apply restraint at the textural of himself, simultaneously because the indicating value scale of these two kinds of scales all is to be engraved on the rod member, power position with the trip thallium shows its value of weighing, this can only be for the personnel of selling goods see, the more ugly standard of shopper can't exercise supervision to its metering, so be difficult to stop for the common phenomenon of giving short weight, and in use move and operation all very inconvenient.Though on the market a spot of single, double spring scale scale appearred also now, single face scale spring balance in use, its indicating value can only be seen also that sometimes the shopper does not still have supervisory role by the personnel of selling goods.Two-sided scale spring balance uses seldom in the market, and its reason is that the two sides pointer is asynchronous, does not reach the metering performance standard of national regulation, and the use of being forbidden to put goods on the market.Causing nonsynchronous reason mainly is that power value gear train has been contained on the cold stamping shaped combination casing of sheet steel, and its stressed support strength is not enough, has directly influenced the accuracy of power value transmission and causes the two sides pointer asynchronous.Have dispatch from the factory the time qualified, but in user there owing to use the not cardiac variation that also can cause asynchronous.
It is directly perceived that the purpose of this utility model provides a kind of reading, is convenient to supervision, conveniently moving, the two-sided scale spring balance that metering performance is good.
The utility model is made of the scale pan, carriage, whole movement, chassis, casing, scale etc., it is characterized in that scale pan bottom cruciform carriage (1) is loaded on the entablature of whole movement bearing frame (2), bearing frame (2) links to each other with four punching axles (16) with movement frame clamping plate (4) and constitutes one group of four-bar mechanism, the pulling force metering spring (8) of two symmetries is housed on the bearing frame (2), and the top and bottom of pulling force metering spring (8) mount the cross member that bearing frame (2) were gone up and be connected to hanger plank (17) respectively; Two toothed rack connecting rod pulling-on pieces (13) are housed on a cant board of bearing frame (2), by axial screw connect tooth bar connecting rod (15) and with the tooth bar (12) of gear (10) engagement, tooth bar connecting rod (15) moved end that tooth bar (12) is housed joins by axial screw and tooth bar connecting rod pulling-on piece (13), tooth bar connecting rod fixed end is connected by punching axle (6) with tooth rest (5) and is contained on movement frame clamping plate (4) skewbacks (11), two-chip computer heart frame clamping plate (4) are linked to be an integral body with three screw rods (14) and two skewbacks (11) and top hanger plank (17), the lower end is fixed to chassis (9) and goes up the whole movement of forming, and outer cover is an all-plastic double inclined plane dial sheet monolithic case.One square lid (24) is arranged at the top of monolithic case (25), covers before in scale pan carriage (1) is installed, and two-sided dial sheet be that symmetrical 21 ° of inclined-planes and casing are as a whole; Dial sheet is circular or square.
Whole movement of the present utility model is convenient to assembling and debugging easily owing to have the high strength good stability, metering performance accurately and reliably, difficult work covers, the weighing intuitive display is convenient to shopper's supervision.It is simple in structure, use, conveniently moving.It is a kind of comparatively ideal Weighing utensil.
Description of drawings:
Fig. 1 removes the structural representation of single-piece frame for the utility model;
Fig. 2 is the utility model general shape figure;
Fig. 3 is a double inclined plane dial sheet single-piece frame structural representation of the present utility model.
Narrate below in conjunction with accompanying drawing: the cross scale pan carriage (1) that is used for placing pan of a steelyard (20) is connected with the crossbeam on bearing frame (2) top, bearing frame (2) by upper plate (3) lower plate (7) with Φ 2 punching axles (16) the composition four-bar mechanism that is connected with movement frame clamping plate (4).Pulling force metering spring (8) top of two symmetries links to each other by spring hanger with hanger plank (17), and the bottom links to each other with bearing frame (2) base cross members.On a cant board of bearing frame (2), be equipped with two toothed rack connecting rod pulling-on pieces (13) by axial screw drive tooth bar connecting rod (15) and above tooth bar (12) meshing gear (10), cause the pulling force metering spring to be subjected to the rectilinear motion of vertical force distortion to become the garden revolution, the pointer (21) that is contained on the gear shaft just indicates the value of weighing on index dial (22).Tooth bar (12) is equipped with in the moved end of tooth bar connecting rod (15), is connected with tooth bar connecting rod pulling-on piece (13) by axial screw.Fixed end and tooth rest (5) link to each other by punching axle (6) on the skewback (11) that is contained in the movement frame.Two-chip computer heart frame clamping plate (4) fuse with the hanger plank (17) on three connecting screw rods (14) and two skewbacks (11) and top.Refill top bottom-disc (9) and promptly become whole movement.With accompanying drawing 3 all-plastic double inclined plane dial sheet single-piece frame (25) spiral-locks on whole movement, again scale pan carriage (1) is fixed on the bearing frame (2), put the scale pan (20), load onto index dial (22) and pointer (21), covering index dial translucent cover (23) promptly becomes overall external form of the present utility model.The adjusting screw(rod) (19) on hanger plank (17) top is a null setting with setting nut (18).Zeroing does not influence metering performance.
Claims (1)
1. two-sided scale platform spring balance, have the scale pan, carriage, whole movement, chassis and casing, it is characterized in that scale pan bottom cruciform carriage (1) is loaded on the entablature of whole movement bearing frame (2), bearing frame (2) links to each other with four punching axles (16) with movement frame clamping plate (4) and constitutes one group of four-bar mechanism, the pulling force metering spring (8) of two symmetries is housed on the bearing frame (2), and the top and bottom of pulling force metering spring (8) mount the cross member that bearing frame (2) were gone up and be connected to hanger plank (17) respectively; Two toothed rack connecting rod pulling-on pieces (13) are housed on a cant board of bearing frame (2), by axial screw connect tooth bar connecting rod (15) and with the tooth bar (12) of gear (10) engagement, tooth bar connecting rod (15) moved end that tooth bar (12) is housed joins by axial screw and tooth bar connecting rod pulling-on piece (13), tooth bar connecting rod fixed end is connected by punching axle (6) with tooth rest (5) and is contained in movement frame clamping plate (4) skewback (on 11, two-chip computer heart frame clamping plate (4) are linked to be an integral body with three screw rods (14) and two skewbacks (11) and top hanger plank (17), the lower end is fixed to chassis (9) and goes up the whole movement of forming, and outer cover is an all-plastic double inclined plane dial sheet monolithic case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94228529 CN2225029Y (en) | 1994-05-10 | 1994-05-10 | Spring scale with two-side dial indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94228529 CN2225029Y (en) | 1994-05-10 | 1994-05-10 | Spring scale with two-side dial indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2225029Y true CN2225029Y (en) | 1996-04-17 |
Family
ID=33841053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94228529 Expired - Fee Related CN2225029Y (en) | 1994-05-10 | 1994-05-10 | Spring scale with two-side dial indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2225029Y (en) |
-
1994
- 1994-05-10 CN CN 94228529 patent/CN2225029Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |