CN211504372U

CN211504372U - Electronic balance scale for laboratory

Info

Publication number: CN211504372U
Application number: CN202020540851.6U
Authority: CN
Inventors: 张永煌
Original assignee: Guangzhou Altruistic Testing Technology Service Co ltd
Current assignee: Guangzhou Altruistic Testing Technology Service Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-09-15
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses an electronic balance scale is used in laboratory relates to experiment measuring instrument technical field, comprises a workbench, the bottom one end of workstation is provided with the riser, the motor is installed at the top of riser, the front end of riser is seted up flutedly. The utility model discloses at first through starter motor, make the motor take first screw rod rotatory together, thereby take upward movement through the mounting panel that the thread bush is connected, expose the tray in the outside, later will experiment reagent centre gripping to the tray through annular splint, later will prevent wind glass cover and slowly move down utilizing the motor, until with the damping spring contact, also just touch limit switch this moment, thereby stop the motor, finally shelter from experiment reagent is whole, later accomplish and measure, at this in-process annular splint and prevent wind between the glass cover contactless, avoided bumping the bits of broken glass cover at the in-process that removes, thereby make the measuring table receive the pollution, even must great improvement work efficiency.

Description

Electronic balance scale for laboratory

Technical Field

The utility model relates to an experiment measuring instrument technical field specifically is an electronic balance scale is used in laboratory.

Background

An electronic balance scale in a laboratory is a precision measuring instrument and basically comprises the following parts: base, year thing dish, windbreak glass, display etc.. Application No.: CN201420732661.9 discloses an electronic balance for laboratory, which is characterized in that a closed space is formed by four pieces of windproof glass and the upper surface of a base, so as to avoid the influence of air flow on the experiment, and an opening of one piece of windproof glass is used for delivering the experiment reagent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to address the application number: CN201420732661.9 discloses an electronic balance is used in laboratory, it constitutes a confined space through the upper surface of four prevent wind glass and base, avoids the influence of air current to the experiment, and utilizes the opening of a prevent wind glass, delivers experimental reagent, and this method is unfavorable for experimental reagent's delivery, and the in-process that probably delivers contacts with prevent wind glass, makes it receive the damage breakage to make the measuring table receive the pollution, the work efficiency's of great influence problem provides an electronic balance is used in laboratory.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic balance scale for a laboratory comprises a workbench, wherein a vertical plate is arranged at one end of the bottom of the workbench, a motor is installed at the top of the vertical plate, a groove is formed in the front end of the vertical plate, a first screw rod is connected to the inner part of the groove, which is extended from the output end of the motor, a cylindrical seat is arranged on one side of the top of the workbench, a second screw rod is arranged at the top of the cylindrical seat, threaded sleeves are movably linked to the outer sides of the first screw rod and the second screw rod, the first screw rod is connected with a mounting plate through the threaded sleeves, fixing bolts are arranged at four corners of the bottom of the mounting plate, the mounting plate is connected with a windproof glass cover through the fixing bolts, fixing nuts matched with the fixing bolts are arranged at the tail ends of the fixing bolts, a base is installed in the middle of the top of the workbench, a tray is arranged in the middle of the, department's sliding link has the axle sleeve in the middle of the outside that the thread bush is close to the second screw rod, the outside of axle sleeve is provided with first electric telescopic handle, first electric telescopic handle's output swivelling joint has annular splint, second electric telescopic handle is installed to annular splint's fixed department, limit switch is installed to the inside bottom of recess.

Preferably, the four corners of the top of the base are provided with mounting holes matched with the fixing bolts, and the inside of each mounting hole is provided with a damping spring.

Preferably, the bottom of the threaded sleeve, which is close to the outer side of the second screw, is fixedly connected with a rotating tooth.

Preferably, a set of symmetrical chutes are formed in the front ends of the vertical plates, and sliding blocks matched with the chutes are arranged on the inner sides of the mounting plates.

Preferably, the motor, the first electric telescopic rod and the second electric telescopic rod are electrically connected with an external controller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at first through starter motor, make the motor take first screw rod rotatory together, thereby will take upward movement through the mounting panel that the thread bush is connected, thereby to prevent wind the damping spring of glass cover follow base and separate, thereby expose the tray in the outside, later on will test reagent centre gripping to the tray through annular splint, later utilize the motor will prevent wind glass cover slow downstream, until with the damping spring contact, also just touch limit switch this moment, thereby stop the motor, finally shelter from experimental reagent is whole, later accomplish the measurement, at this in-process annular splint with prevent wind between the glass cover contactless, avoided will prevent wind the glass cover at the in-process that removes and bump the bits of broken glass, thereby make the measuring table receive the pollution, even must great improvement work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic plan view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. a work table; 2. a vertical plate; 3. a motor; 4. a first screw; 5. a groove; 6. a limit switch; 7. mounting a plate; 8. a windproof glass cover; 9. fixing a nut; 10. fixing the bolt; 11. a base; 12. a tray; 13. an electronic display; 14. a damping spring; 15. a chute; 16. a cylindrical seat; 17. a second screw; 18. a threaded sleeve; 19. a shaft sleeve; 20. rotating the teeth; 21. a first electric telescopic rod; 22. an annular splint; 23. and the second electric telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an electronic balance scale for a laboratory comprises a workbench 1, a vertical plate 2 is arranged at one end of the bottom of the workbench 1, a motor 3 is arranged at the top of the vertical plate 2, a groove 5 is arranged at the front end of the vertical plate 2, a first screw rod 4 is connected to the inside of the output end of the motor 3 extending to the groove 5, a cylindrical seat 16 is arranged at one side of the top of the workbench 1, a second screw rod 17 is arranged at the top of the cylindrical seat 16, thread sleeves 18 are movably linked at the outer sides of the first screw rod 4 and the second screw rod 17, the first screw rod 4 is connected with a mounting plate 7 through the thread sleeves 18, fixing bolts 10 are arranged at four corners of the bottom of the mounting plate 7, the mounting plate 7 is connected with a windproof glass cover 8 through the fixing bolts 10, a fixing nut 9 matched with the fixing bolts 10 is arranged at the tail end of the fixing bolts, a base 11 is arranged at the middle, the front end of base 11 is provided with electronic display 13, and department's slip chain has axle sleeve 19 in the middle of the outside that threaded sleeve 18 is close to second screw 17, and the outside of axle sleeve 19 is provided with first electric telescopic handle 21, and the output of first electric telescopic handle 21 rotates and is linked to have annular splint 22, and second electric telescopic handle 23 is installed to annular splint 22's fixed department, and limit switch 6 is installed to the inside bottom of recess 5.

The utility model firstly starts the motor 3 to drive the first screw rod 4 to rotate together by the motor 3, so that the mounting plate 7, which is connected by means of the threaded sleeve 18, is carried upwards, so that the windscreen 8 is detached from the damper spring 14 in the base 11, thereby exposing the tray 12 to the outside, then clamping the test reagent on the tray 12 through the annular clamping plate 22, then slowly moving the windproof glass cover 8 downwards by the motor 3 until contacting with the damping spring 14, at the moment, just touching the limit switch 6, thereby stopping the motor 3, finally shielding the test reagent completely, then completing the measurement, in the process, the annular clamping plate 22 is not in contact with the windproof glass cover 8, so that the windproof glass cover 8 is prevented from being broken in the moving process, the measuring table is polluted, and the working efficiency is greatly improved.

Please refer to fig. 1 and fig. 2, the four corners of the top of the base 11 are provided with mounting holes matching with the fixing bolts 10, and the inside of the mounting holes is provided with damping springs 14, the present invention provides the mounting holes and the damping springs 14 to reduce the vibration generated when the wind-proof glass cover 8 falls down.

Please refer to fig. 1 and fig. 3, the bottom of the threaded sleeve 18 near the outer side of the second screw 17 is fixedly connected with a rotating tooth 20, and the rotating tooth 20 is provided in the present invention to better rotate the threaded sleeve 18 to move.

Please refer to fig. 1 and fig. 2, a set of symmetrical sliding grooves 15 are formed at the front end of the vertical plate 2, and a sliding block matched with the sliding grooves 15 is arranged at the inner side of the mounting plate 7.

Please refer to fig. 1 and fig. 2, the motor 3, the first electric telescopic rod 21 and the second electric telescopic rod 23 are electrically connected to the external controller, and the electric connection of the present invention is for better controlling the motor 3, the first electric telescopic rod 21 and the second electric telescopic rod 23, so as to enable the operator to use the electric telescopic rod better.

The working principle is as follows: when in use, an experimental reagent is placed in the annular clamping plate 22, the experimental reagent is clamped by starting the second electric telescopic rod 23, then the motor 3 is started, the motor 3 drives the first screw rod 4 to rotate together, the mounting plate 7 connected by the threaded sleeve 18 moves upwards along the sliding chute 15, the windproof glass cover 8 is separated from the damping spring 14 in the base 11, the tray 12 is exposed outside, then the threaded sleeve 18 drives the shaft sleeve 19 to move upwards by rotating the rotary tooth 20 until the mounting plate moves to a proper position, the annular clamping plate 22 is close to the tray 12 by rotating the shaft sleeve 19, the experimental reagent is extended to be right above the tray 12 by starting the first electric telescopic rod 21, then the experimental reagent slowly falls down by rotating the rotary tooth 20 and contacts with the tray 12, after the experimental reagent is placed on the tray 12, and starting the second electric telescopic rod 23, loosening the experimental reagent, then moving out the annular clamping plate 22, finally starting the motor 3, utilizing the motor 3 to slowly move the windproof glass cover 8 downwards until the windproof glass cover is contacted with the damping spring 14, and just touching the limit switch 6 at the moment, so that the motor 3 is stopped, finally completely shielding the experimental reagent, and then completing measurement.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an electronic balance scale is used in laboratory, includes workstation (1), its characterized in that: a vertical plate (2) is arranged at one end of the bottom of the workbench (1), a motor (3) is installed at the top of the vertical plate (2), a groove (5) is formed in the front end of the vertical plate (2), a first screw (4) is connected to the inside of the output end of the motor (3) extending to the groove (5), a cylindrical seat (16) is arranged on one side of the top of the workbench (1), a second screw (17) is arranged on the top of the cylindrical seat (16), thread sleeves (18) are movably linked to the outer sides of the first screw (4) and the second screw (17), the first screw (4) is connected with a mounting plate (7) through the thread sleeves (18), fixing bolts (10) are arranged at four corners of the bottom of the mounting plate (7), a windproof glass cover (8) is connected to the mounting plate (7) through the fixing bolts (10), and fixing nuts (9) matched with the fixing bolts (10) are arranged at the tail end of the fixing bolts (10, department installs base (11) in the middle of the top of workstation (1), department sets up tray (12) in the middle of the top of base (11), the front end of base (11) is provided with electronic display (13), department's sliding link has axle sleeve (19) in the middle of threaded sleeve (18) is close to the outside of second screw rod (17), the outside of axle sleeve (19) is provided with first electric telescopic handle (21), the output rotating link of first electric telescopic handle (21) has ring splint (22), second electric telescopic handle (23) are installed to the fixed department of ring splint (22), limit switch (6) are installed to recess (5) inside bottom.

2. The laboratory electronic balance scale of claim 1, wherein: and mounting holes matched with the fixing bolts (10) are formed in four corners of the top of the base (11), and damping springs (14) are arranged inside the mounting holes.

3. The laboratory electronic balance scale of claim 1, wherein: the bottom of the threaded sleeve (18) close to the outer side of the second screw (17) is fixedly connected with a rotating tooth (20).

4. The laboratory electronic balance scale of claim 1, wherein: a set of symmetrical spout (15) has been seted up to the front end of riser (2), the inboard of mounting panel (7) is provided with the slider with spout (15) matched with.

5. The laboratory electronic balance scale of claim 1, wherein: the motor (3), the first electric telescopic rod (21) and the second electric telescopic rod (23) are all electrically connected with an external controller.