CN211347015U

CN211347015U - Electronic balance

Info

Publication number: CN211347015U
Application number: CN202020331641.6U
Authority: CN
Inventors: 朱坤福; 薛飞; 房明阳
Original assignee: Zhongye Shandong Inspection And Testing Co ltd
Current assignee: Zhongye Shandong Inspection And Testing Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-08-25
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses an electronic balance, open and shut device, dry post and slip placer including base, gasket, landing leg, control assembly, weighing subassembly, leveling knob, frame, pneumatic upset, the landing leg upper end is located on the base lower wall, the gasket is located on the landing leg lower end, it locates the base upper wall to weigh the subassembly, the control assembly locates the base side, the leveling knob is located on the relative both sides edge of base lower wall, the frame is located on the base, dry post and weighing subassembly are located in the frame, the frame upper end is located in the slip placer slidable, the rotatable articulated frame lateral wall and the base of locating of device are opened and shut in pneumatic upset. The utility model belongs to the technical field of biology, chemical measuring instrument, specifically indicate a rotatory electronic balance who opens and shuts and be convenient for powdered object to place and clear up easily.

Description

Electronic balance

Technical Field

The utility model belongs to the technical field of biology, chemical measuring instrument, specifically indicate an electronic balance.

Background

In the process of developing new medicines, a plurality of chemical experiments are required, and in the experiments, various samples with specific weights are weighed by using an electronic balance and then subjected to chemical reaction tests. In order to improve the accuracy of the experiment, a high-precision electronic balance is used, the accuracy is at least one thousandth gram, the electronic balance comprises a base and a weighing assembly, and the weighing assembly comprises a balance tray arranged above the base and a windproof ring arranged around the balance tray. When in measurement, the disposable packing paper is put on a balance tray, and after the zero setting is carried out again, the medicine is placed on the packing paper and weighed. Because many samples tested are acidic or alkaline, the samples can be scattered on the base and in the gap between the balance tray and the windproof ring in the measuring process, so the place where the samples are placed on the balance tray needs to be cleaned regularly, otherwise the samples falling on the instrument can corrode the instrument gradually, but the gap between the balance tray and the windproof ring is difficult to clean and is easy to ignore, and the falling samples corrode the balance tray and the base.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing difficult problem, the utility model provides an electronic balance which can be opened and closed in a rotating way and is convenient for the placement of powdery objects and easy cleaning.

The utility model adopts the following technical scheme: the utility model relates to an electronic balance, including base, gasket, landing leg, control assembly, weighing component, leveling knob, frame, pneumatic upset switching device, dry post and slip placer, the landing leg upper end is located on the base lower wall, the gasket is located on the landing leg lower end, weighing component locates the base upper wall, control assembly locates the base lateral wall, control assembly is used for correcting weighing component, leveling knob locates the relative both sides edge of base lower wall, the frame is located on the base, dry post locates on the base, dry post and weighing component locate in the frame, the slip placer can be slided and locate the frame upper end, pneumatic upset switching device rotatable articulated locate on frame lateral wall and base; the pneumatic overturning opening and closing device comprises an overturning opening and closing door, an overturning hinge fixing block, a pneumatic telescopic pipe and a telescopic pipe hinge groove, wherein the telescopic pipe hinge groove is arranged on the base, the width of the telescopic pipe hinge groove is larger than that of the fixed end of the pneumatic telescopic pipe, the fixed end of the pneumatic telescopic pipe is rotatably hinged in the telescopic pipe hinge groove, one end of the overturning opening and closing door is rotatably hinged at the upper end of the frame, the overturning hinge fixing block is arranged on the side wall of the lower end of the overturning opening and closing door, the movable end of the pneumatic telescopic pipe is rotatably hinged on the side wall of the overturning opening and closing door through the overturning hinge fixing block, the movable end of the pneumatic telescopic pipe extends or shortens, drives the lower end of the overturning opening and closing door to open or close through the overturning hinge fixing block, the upper end of the overturning opening and closing door rotates by taking the joint of, it is also convenient to clean the powdery substance which is carelessly sprinkled on the base.

Further, the weighing assembly comprises a balance tray, an inserting rod, a protection tray, a falling prevention ring, a receiving port, a limiting ring and a protection tray placing groove, the protection tray placing groove is arranged on the base, the limiting ring is arranged in the center of the protection tray placing groove, the receiving port is arranged in the center of the limiting ring, the protection tray is arranged in the protection tray placing groove, the falling prevention ring is arranged in the center of the protection tray placing groove, the balance tray is arranged in the protection tray, one end of the inserting rod is arranged in the center of the balance supporting sheet, the falling prevention ring and the receiving port are arranged on the same vertical line, and the other end of the inserting rod penetrates through the falling prevention ring and is arranged at the receiving port.

Further, the sliding placement device comprises a sliding plate, a cover plate, a funnel support hole and a sliding groove, the sliding plate is slidably arranged at the upper end of the frame, the funnel support hole is formed in the center of the sliding plate, the funnel support hole is formed right above the balance tray, the sliding groove is formed in the sliding plate and is close to the funnel support hole, the cover plate is slidably arranged in the sliding groove, the cover plate is arranged on the funnel support hole, an operator can slide the cover plate into the sliding groove to expose the funnel support hole, liquid substances are placed on the balance tray through the funnel support hole, and the operator can push the sliding plate on the frame to place the solids on the balance tray.

Further, the balance tray is funnel-shaped.

Furthermore, the pneumatic turning opening and closing device is rotatably hinged on the side wall of the frame and the base and is provided with two groups by taking the central line of the base as a symmetry axis.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme electronic balance, the extension of pneumatic flexible pipe expansion end or shorten and drive the upset through the articulated fixed block of upset and open and shut a lower extreme and open or be closed, the upset is opened and shut a door upper end and is being used for rotating as the axle with the frame connection department, open and shut the door when the upset, operating personnel can place powdered material and weigh on weighing the subassembly, be convenient for clean the powdered material of carelessly spilling on the base, the sample of having overcome and dropped causes the shortcoming of corruption to balance tray and base.

Drawings

Fig. 1 is a schematic view of an overall structure of an electronic balance according to the present invention;

fig. 2 is an exploded view of a weighing assembly of the electronic balance of the present invention.

The device comprises a base 1, a base 2, a gasket 3, supporting legs 4, a control component 5, a weighing component 6, a leveling knob 7, a frame 8, a pneumatic turning opening and closing device 9, a drying column 10, a sliding placing device 11, a turning opening and closing door 12, a turning hinged fixing block 13, a pneumatic telescopic pipe 14, a telescopic pipe hinged groove 15, a balance tray 16, a socket rod 17, a protection tray 18, an anti-falling ring 19, a bearing opening 20, a limiting ring 21, a protection tray placing groove 22, a sliding plate 23, a cover plate 24, a funnel supporting hole 25 and a sliding groove.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, an electronic balance comprises a base 1, a gasket 2, a leg 3, a control assembly 4, a weighing assembly 5, a leveling knob 6, a frame 7, a pneumatic turning opening and closing device 8, a drying column 9 and a sliding placement device 10, wherein the upper end of the leg 3 is arranged on the lower wall of the base 1, the gasket 2 is arranged on the lower end of the leg 3, the weighing assembly 5 is arranged on the upper wall of the base 1, the control assembly 4 is arranged on the side of the base 1, the leveling knobs 6 are arranged on two opposite side edges of the lower wall of the base 1, the frame 7 is arranged on the base 1, the drying column 9 and the weighing assembly 5 are arranged in the frame 7, the sliding placement device 10 is slidably arranged on the upper end of the frame 7, and the pneumatic turning opening and closing device 8 is rotatably hinged on the; the pneumatic overturning opening and closing device 8 comprises an overturning opening and closing door 11, an overturning hinged fixed block 12, a pneumatic telescopic pipe 13 and a telescopic pipe hinged groove 14, the telescopic pipe hinged groove 14 is arranged on the base 1, the width of the telescopic pipe hinged groove 14 is greater than that of the fixed end of the pneumatic telescopic pipe 13, the fixed end of the pneumatic telescopic pipe 13 is rotatably hinged in the telescopic pipe hinged groove 14, one end of the overturning opening and closing door 11 is rotatably hinged to the upper end of the frame 7, the overturning hinged fixed block 12 is arranged on the side wall of the lower end of the overturning opening and closing door 11, and the movable end of the pneumatic telescopic pipe 13 is rotatably hinged on the side wall of the overturning opening and closing door 11 through the overturning hinged fixed.

Weighing component 5 includes balance tray 15, socket rod 16, protection tray 17, prevents falling collar 18, socket 19, spacing ring 20 and protection tray standing groove 21, protection tray standing groove 21 is located on base 1, spacing ring 20 is located in protection tray standing groove 21 center, socket 19 is located spacing ring 20 central point and is put, protection tray 17 is located in protection tray standing groove 21, prevent falling collar 18 and locate protection tray 17 central point and put, balance tray 15 is located in protection tray 17, balance support piece center department is located to socket rod 16 one end, prevent falling collar 18 and socket 19 center and locate same vertical line, the socket rod 16 other end runs through and prevents falling collar 18 and locate socket 19 department.

The sliding placement device 10 comprises a sliding plate 22, a cover plate 23, a funnel support hole 24 and a sliding groove 25, wherein the sliding plate 22 is slidably arranged at the upper end of the frame 7, the funnel support hole 24 is arranged at the center of the sliding plate 22, the funnel support hole 24 is arranged right above the balance tray 15, the sliding groove 25 is arranged on the sliding plate 22 and close to the funnel support hole 24, the cover plate 23 is slidably arranged in the sliding groove 25, and the cover plate 23 is arranged on the funnel support hole 24.

The balance tray 15 is funnel-shaped.

The pneumatic turning opening and closing device 8 is rotatably hinged on the side wall of the frame 7 and the base 1 and is provided with two groups by taking the central line of the base 1 as a symmetry axis.

When the device is used, an operator firstly levels the base 1 and the weighing component 5 by adjusting the leveling knob 6, the control component 4 corrects and clears the weighing component 5, if a powdery object needs to be placed, the movable end of the pneumatic telescopic tube 13 extends or shortens and drives the lower end of the turnover opening and closing door 11 to open or close through the turnover hinged fixed block 12, the upper end of the turnover opening and closing door 11 rotates by taking the joint with the frame 7 as a shaft, the operator can place the powdery substance on the tray for weighing and is convenient for cleaning the powdery substance carelessly sprinkled on the base 1, if liquid or solid needs to be placed, the operator can slide the cover plate 23 into the chute 25 to expose the funnel support hole 24 and place the liquid substance on the balance tray 15 through the funnel support hole 24, or the operator may push the slide plate 22 on the frame 7 to set the solids on the balance tray 15 for weighing.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An electronic balance characterized by: the device comprises a base, a gasket, supporting legs, a control assembly, a weighing assembly, a leveling knob, a frame, a pneumatic overturning opening and closing device, a drying column and a sliding placement device, wherein the upper ends of the supporting legs are arranged on the lower wall of the base; the pneumatic overturning opening and closing device comprises an overturning opening and closing door, an overturning hinged fixing block, a pneumatic telescopic pipe and a telescopic pipe hinged groove, the telescopic pipe hinged groove is formed in the base, the width of the telescopic pipe hinged groove is larger than that of the fixed end of the pneumatic telescopic pipe, the fixed end of the pneumatic telescopic pipe is rotatably hinged in the telescopic pipe hinged groove, one end of the overturning opening and closing door is rotatably hinged to the upper end of the frame, the overturning hinged fixing block is arranged on the side wall of the lower end of the overturning opening and closing door, and the movable end of the pneumatic telescopic pipe is rotatably hinged to the side wall of the overturning opening and.

2. An electronic balance according to claim 1, wherein: the weighing assembly comprises a balance tray, an insertion rod, a protective tray, a falling-proof ring, a receiving port, a limiting ring and a protective tray placing groove, the protective tray placing groove is arranged on the base, the limiting ring is arranged in the center of the protective tray placing groove, the receiving port is arranged in the center of the limiting ring, the protective tray is arranged in the protective tray placing groove, the falling-proof ring is arranged in the central position of the protective tray, the balance tray is arranged in the protective tray, one end of the insertion rod is arranged in the center of a balance supporting sheet, the falling-proof ring and the receiving port are arranged on the same vertical line, and the other end of the insertion rod runs through the falling-proof ring and is arranged at the position of the receiving port.

3. An electronic balance according to claim 1, wherein: the sliding placement device comprises a sliding plate, a cover plate, a funnel support hole and a sliding groove, the sliding plate is slidably arranged at the upper end of the frame, the funnel support hole is formed in the center of the sliding plate, the funnel support hole is formed right above the balance tray, the sliding groove is formed in the sliding plate and is close to the funnel support hole, the cover plate is slidably arranged in the sliding groove, and the cover plate is arranged on the funnel support hole.

4. An electronic balance according to claim 2, wherein: the balance tray is arranged in a funnel shape.

5. An electronic balance according to claim 1, wherein: the pneumatic turning opening and closing device is rotatably hinged to the side wall of the frame and the base and is provided with two groups by taking the central line of the base as a symmetry axis.