Analytical balance convenient for putting chemicals

Abstract

The utility model belongs to the field of balances, particularly relates to an analytical balance convenient to put chemicals, and provides the following scheme aiming at the problem that the existing housing frame can hinder the putting of chemicals and influence the weighing convenience: the analytical balance comprises a base; the analytical balance main body is clamped at the top of the base; the chemical plate is placed at the top of the analytical balance main body; the connecting frame is in bolted connection with the surface of the base; the transmission case is connected to the side face of the connecting frame through bolts, the transparent cover can be driven to rotate through transmission of the structure, the rotating transparent cover can cover the analytical balance body, chemicals weighed by the analytical balance body are separated, and it is guaranteed that the chemicals can be normally weighed and analyzed; the transparent cover is rotated and opened, and the analytical balance main body can be exposed, so that chemicals can be conveniently put, and the convenience is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of balances, in particular to an analytical balance which is convenient for adding chemicals. Background Art

[0002] In the process of producing and using chemicals, it is necessary to weigh them, and an analytical balance is needed. The Chinese patent document with publication number: CN205981424U discloses an analytical balance that is convenient for feeding.

[0003] However, the above technical solution also provides a cover frame, which is fixed on the balance and cannot be removed. The material can only be fed by opening the door on the cover frame, but the cover frame on the top of the balance will still block the feeding and weighing of chemicals. Utility Model Content

[0004] The utility model aims to solve the defect in the prior art that a cover frame will hinder the putting of chemicals and affect the convenience of weighing, and proposes an analytical balance which is convenient for putting in chemicals.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An analytical balance for conveniently placing chemicals, comprising

[0007] Base;

[0008] An analytical balance body, the analytical balance body is snap-connected to the top of the base;

[0009] A chemical tray, which is placed on top of the analytical balance body;

[0010] A connecting frame, the connecting frame being bolted to the surface of the base;

[0011] A transmission box, the transmission box being bolted to the side of the connecting frame;

[0012] The protection mechanism includes a pinion, an articulated seat, a metal ring, a rubber ring and a transparent cover. The pinion is rotatably connected to the inside of the transmission box. The axis of the pinion extends to the inside of the connecting frame and is keyed to the axis of the articulated seat. The articulated seat is hinged to the inside of the connecting frame. The metal ring is bolted to the rear side of the articulated seat. The rubber ring is bonded to the bottom of the metal ring. The transparent cover is bonded to the top of the metal ring.

[0013] The power mechanism is connected to the pinion gear, and the power mechanism is used to drive the transparent cover to rotate. The transparent cover can be driven to rotate through the transmission of the structure. The rotating transparent cover can cover the analytical balance body, separate the chemicals weighed by the analytical balance body, and ensure that the chemicals can be weighed and analyzed normally. When it is necessary to take out or put in chemicals, it is only necessary to rotate the transparent cover to open it, and the analytical balance body can be exposed, so that the chemicals can be put in conveniently and the convenience is enhanced.

[0014] As a preferred solution of the utility model, the power mechanism includes a reduction motor, a transmission frame, a slider and a rack. The output end of the reduction motor is key-connected to the bottom end of the transmission frame, the top end of the transmission frame is hinged to the surface of the slider, the slider is slidably connected to the slide groove of the rack, the teeth of the rack are meshed with the teeth of the pinion, the power of the reduction motor is turned on, the reduction motor is controlled by a motor controller, the reduction motor can drive the transmission frame to rotate, the transmission frame can drive the slider to move, the slider can slide in the slide groove of the rack and drive the rack to move, and the rack can drive the pinion to rotate.

[0015] As a preferred solution of the utility model, the surface of the reduction motor is connected to the internal bolts of the transmission box, the axis at the bottom end of the transmission frame is connected to the internal rotation of the transmission box, and the reduction motor is fixed by the transmission box to ensure that the reduction motor can smoothly drive the transmission frame to rotate.

[0016] As a preferred solution of the utility model, the slide groove of the rack is slidably connected to a slide rail body, the slide rail body is bolted to the transmission box, and the rack can be guided by the transmission box through the slide rail body, which facilitates the movement of the rack.

[0017] As a preferred solution of the utility model, the hole at the bottom of the base is clamped with a connecting sleeve, and the internal thread of the connecting sleeve is connected to a supporting foot, and the height of the supporting foot can be adjusted by rotating the supporting foot, so as to facilitate the leveling operation of the base.

[0018] As a preferred solution of the utility model, the support leg includes a screw rod and a plastic leg. The screw rod is threadedly connected to the connecting sleeve, and the two are welded to the plastic leg. The structure of the support leg facilitates the adjustment of the height of the support leg.

[0019] Beneficial effects:

[0020] 1. The power mechanism can drive the pinion to rotate, the pinion can drive the hinged seat to rotate, the hinged seat can drive the metal ring to rotate, the metal ring can drive the transparent cover to rotate, so that the transparent cover can separate and open the main body of the analytical balance;

[0021] 2. The reduction motor can drive the slider to move through the transmission frame, and the slider can drive the pinion to rotate through the rack, so as to expose the main body of the analytical balance;

[0022] In the utility model: the transparent cover can be driven to rotate through the transmission of the structure, and the rotating transparent cover can cover the analytical balance body, so as to separate the chemicals weighed by the analytical balance body, and ensure that the chemicals can be weighed and analyzed normally. When it is necessary to take out or put in the chemicals, it is only necessary to rotate and open the transparent cover, and the analytical balance body can be exposed, so that the putting in of the chemicals is convenient and the convenience is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an overall stereogram of the utility model;

[0024] Figure 2 This is a three-dimensional diagram of the interior of the transmission box of the utility model;

[0025] Figure 3 It is a three-dimensional diagram of the base of the utility model;

[0026] Figure 4 It is a three-dimensional diagram of the transparent cover of the utility model.

[0027] In the figure: 1. base; 2. analytical balance body; 3. chemical tray; 4. connecting frame; 5. transmission box; 6. reduction motor; 7. transmission frame; 8. slider; 9. rack; 10. pinion; 11. hinged seat; 12. metal ring; 13. rubber ring; 14. transparent cover; 15. slide rail body; 16. connecting sleeve; 17. support foot. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Embodiment 1

[0030] Reference Figure 1-Figure 4 , an analytical balance for convenient dosing of chemicals, including

[0031] Base 1;

[0032] An analytical balance body 2, which is snap-connected to the top of the base 1;

[0033] A chemical tray 3, which is placed on the top of the analytical balance body 2;

[0034] A connecting frame 4, the connecting frame 4 is bolted to the surface of the base 1;

[0035] A transmission box 5, which is bolted to the side of the connecting frame 4;

[0036] The protection mechanism includes a pinion 10, an articulated seat 11, a metal ring 12, a rubber ring 13 and a transparent cover 14. The pinion 10 is rotatably connected to the inside of the transmission box 5. The axis of the pinion 10 extends to the inner side of the connecting frame 4 and is keyed to the axis of the articulated seat 11. The articulated seat 11 is articulated to the inner side of the connecting frame 4. The metal ring 12 is bolted to the rear side of the articulated seat 11. The rubber ring 13 is bonded to the bottom of the metal ring 12. The transparent cover 14 is bonded to the top of the metal ring 12.

[0037] The power mechanism is connected with the pinion 10 and is used to drive the transparent cover 14 to rotate.

[0038] By means of the above structure: the transparent cover 14 can be driven to rotate through the transmission of the structure, and the rotating transparent cover 14 can cover the analytical balance body 2, so as to separate the chemicals weighed by the analytical balance body 2, and ensure that the chemicals can be weighed and analyzed normally. When it is necessary to take out or put in chemicals, it is only necessary to rotate and open the transparent cover 14, and the analytical balance body 2 can be exposed, so as to facilitate the putting in of chemicals and enhance convenience.

[0039] See also Figure 2 The power mechanism includes a reduction motor 6, a transmission frame 7, a slider 8 and a rack 9. The output end of the reduction motor 6 is key-connected to the bottom end of the transmission frame 7. The top end of the transmission frame 7 is hinged to the surface of the slider 8. The slider 8 is slidably connected to the slide groove of the rack 9. The teeth of the rack 9 are meshed with the teeth of the pinion 10. The power of the reduction motor 6 is turned on. The reduction motor 6 is controlled by a motor controller. The reduction motor 6 can drive the transmission frame 7 to rotate, the transmission frame 7 can drive the slider 8 to move, the slider 8 can slide in the slide groove of the rack 9 and drive the rack 9 to move, and the rack 9 can drive the pinion 10 to rotate.

[0040] See also Figure 2 The surface of the reduction motor 6 is connected with the internal bolts of the transmission box 5, and the axis at the bottom end of the transmission frame 7 is connected with the internal rotation of the transmission box 5. The reduction motor 6 is fixed by the transmission box 5 to ensure that the reduction motor 6 can smoothly drive the transmission frame 7 to rotate.

[0041] See also Figure 2 The slide groove of the rack 9 is slidably connected with a slide rail body 15, and the slide rail body 15 is bolted to the transmission box 5. The rack 9 can be guided by the transmission box 5 through the slide rail body 15, which facilitates the movement of the rack 9.

[0042] See also Figure 3 The hole at the bottom of the base 1 is connected with a connecting sleeve 16, and the internal thread of the connecting sleeve 16 is connected with a supporting foot 17. The height of the supporting foot 17 can be adjusted by rotating the supporting foot 17, so as to facilitate the leveling operation of the base 1.

[0043] See also Figure 3The support leg 17 includes a screw and a plastic foot. The screw is threadedly connected to the connecting sleeve 16, and the two are welded to the plastic foot. The structure of the support leg 17 is convenient for adjusting the height of the support leg 17.

[0044] Embodiment 2

[0045] The difference between this embodiment and the first embodiment is that the transmission frame 7, the slider 8 and the rack 9 are replaced by a large gear, and the large gear is connected to the small gear 10. The reduction motor 6 can drive the small gear 10 to rotate through the large gear, but the large gear required is larger in size. Therefore, the present application preferably adopts the transmission frame 7, the slider 8 and the rack 9.

[0046] It should be noted that the specific type of the reduction motor 6 to be used is selected by the relevant technical personnel familiar with the field, and the above reduction motor 6 belongs to the existing technology and is not elaborated in this solution.

[0047] The analytical balance body 2 adopts the existing technology and can adopt the balance main body structure with patent application number 202010914442.2.

[0048] The working principle of the utility model is as follows: when chemicals need to be put in, the power supply of the reduction motor 6 is turned on, the reduction motor 6 is controlled by a motor controller, the reduction motor 6 can drive the transmission frame 7 to rotate, the transmission frame 7 can drive the slider 8 to move, the slider 8 can slide in the slide groove of the rack 9 and drive the rack 9 to move, the rack 9 can drive the pinion 10 to rotate, the pinion 10 can drive the hinged seat 11 to rotate, the hinged seat 11 can drive the metal ring 12 to rotate, the metal ring 12 can drive the transparent cover 14 to rotate, the transparent cover 14 can completely expose the analytical balance body 2, so that the user can put the chemicals on the chemical tray 3, the chemical tray 3 is placed on the analytical balance body 2, and then the transparent cover 14 isolates the analytical balance body 2.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An analytical balance for convenient placement of chemicals, characterized in that: include Base (1); An analytical balance body (2), the analytical balance body (2) being snap-connected to the top of the base (1); A chemical tray (3), the chemical tray (3) is placed on the top of the analytical balance body (2); A connecting frame (4), the connecting frame (4) is bolted to the surface of the base (1); A transmission box (5), the transmission box (5) is bolted to the side of the connecting frame (4); A protection mechanism, the protection mechanism comprising a pinion (10), an articulated seat (11), a metal ring (12), a rubber ring (13) and a transparent cover (14), wherein the pinion (10) is rotatably connected to the inside of a transmission box (5), the axis of the pinion (10) extends to the inside of a connecting frame (4) and is key-connected to the axis of the articulated seat (11), the articulated seat (11) is articulated to the inside of the connecting frame (4), the metal ring (12) is bolted to the rear side of the articulated seat (11), the rubber ring (13) is bonded to the bottom of the metal ring (12), and the transparent cover (14) is bonded to the top of the metal ring (12); A power mechanism is connected to the pinion (10), and is used to drive the transparent cover (14) to rotate.

2. An analytical balance for convenient chemical placement according to claim 1, characterized in that: The power mechanism comprises a reduction motor (6), a transmission frame (7), a slider (8) and a rack (9); the output end of the reduction motor (6) is key-connected to the bottom end of the transmission frame (7); the top end of the transmission frame (7) is hinged to the surface of the slider (8); the slider (8) is slidably connected to the slide groove of the rack (9); the teeth of the rack (9) are meshed with the teeth of the pinion (10).

3. An analytical balance for convenient placement of chemicals according to claim 2, characterized in that: The surface of the reduction motor (6) is connected to the internal bolts of the transmission box (5), and the axis center of the bottom end of the transmission frame (7) is rotatably connected to the inside of the transmission box (5).

4. The analytical balance for convenient chemical placement according to claim 2, characterized in that: The slide groove of the rack (9) is slidably connected to a slide rail body (15), and the slide rail body (15) is bolted to the transmission box (5).

5. The analytical balance for convenient chemical placement according to claim 1, characterized in that: A connecting sleeve (16) is clamped in a hole at the bottom of the base (1), and a supporting foot (17) is connected to the inner thread of the connecting sleeve (16).

6. An analytical balance for convenient placement of chemicals according to claim 5, characterized in that: The support leg (17) comprises a screw rod and a plastic leg, the screw rod is threadedly connected to the connecting sleeve (16), and the two are welded to the plastic leg.

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