CN211178685U - A accurate measuring device for chemical gravimetric analysis - Google Patents

Abstract

The utility model relates to a chemistry technical field specifically is an accurate measuring device for chemical gravimetric analysis, the on-line screen storage device comprises a base, fixedly connected with installation piece on the base, and fixed mounting has the guide rail on the base, sliding connection has the slide bar on the guide rail, and reset spring has been cup jointed on the slide bar, fixedly connected with stopper on the slide bar, and fixed mounting has the ejector pad on the slide bar, be provided with the draw-in groove on the installation piece, and the joint has the fixture block in the draw-in groove, fixedly connected with joint spring on the fixture block, and joint spring fixed connection is on the inserted block, inserted block fixed mounting has the frame, and there is double-deck translucent cover through bolt fixed mounting on the frame, fixed mounting has damping spring in the double-deck translucent cover, effect and dual separation through the spring, when measuring, eliminate and block external vibration such as sound wave, the measuring precision.

Description

A accurate measuring device for chemical gravimetric analysis

Technical Field

The utility model relates to a chemistry technical field specifically is an accurate measuring device for chemical gravimetric analysis.

Background

In the process of chemical research, a series of chemical reactions are generally required to be carried out to observe specific effects, reactants are often prepared into solutions with a certain proportion to achieve faster reaction rate, the solutions are generally prepared by dissolving solid powder, the weighing of the powder reactants is very critical in order to ensure accurate reaction data, a high-precision electronic scale is required to be adopted for accurate measurement, the powder is light in weight and is easy to be interfered by the outside in the weighing process, the fine vibration generated by speaking, walking and the like of an experimenter can generate measurement errors, the existing electronic scales are mostly blocked by a push-pull transparent cover body, the structure is simple, the protection effect is poor, even side effects are generated by the shaking of the electronic scale, meanwhile, the reactants are easy to fall on the electronic scale in the long-term use process, and if the electronic scale is not cleaned in time, can lead to data display mistake, beat that does not stop even, and the protection casing on the electronic scale can produce the interference, leads to magazine can not complete clean up, for this the utility model provides an accurate measuring device for chemical gravimetric analysis is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate measuring device for chemical gravimetric analysis to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an accurate measuring device for chemical weight analysis, the on-line screen storage device comprises a base, fixedly connected with installation piece on the base, and fixed mounting has the guide rail on the base, sliding connection has the slide bar on the guide rail, and has cup jointed reset spring on the slide bar, fixedly connected with stopper on the slide bar, and fixed mounting has the ejector pad on the slide bar, be provided with the draw-in groove on the installation piece, and the joint has the fixture block in the draw-in groove, fixedly connected with joint spring on the fixture block, and joint spring fixed connection is on the inserted block, inserted block fixed mounting has the frame, and has double-deck translucent cover through bolt fixed mounting on the frame, fixed mounting has damping spring in the double-deck translucent cover.

Preferably, the base is provided with a measuring device, three groups of mounting blocks are fixedly mounted on the side wall of the base, two groups of mounting blocks are symmetrically mounted, and the cross section of each mounting block is L.

Preferably, the inserted block is connected to the bottom of the frame and is in matched insertion connection with the installation block, a sliding groove is formed in the inserted block, the clamping block is connected in the sliding groove in a sliding mode, the cross section of the clamping block is fan-shaped, and the reset spring is located between the limiting block and the inner wall of the guide rail.

Preferably, damping spring fixed connection is between two rectangle cover bodies of double-deck translucent cover, and is located four angles of the cover body, the bolt runs through damping spring and frame attach.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the base of the electronic scale is connected with a cuboid frame, double layers of transparent covers are arranged on the periphery of the frame, a damping spring is connected between the two layers of transparent covers, and external vibration such as sound waves is eliminated and blocked during measurement through the action of the spring and double blocking, so that the measurement accuracy is improved;

2. the frame is through the grafting that the inserted block of bottom can be quick on the base to it is also very convenient to dismantle, when normal use, can open the push-and-pull door at frame top and put into the article that await measuring, and when will clearing up, then take off the frame wholly, avoid disturbing, guarantee the clean up, thereby guarantee the precision of electronic scale.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is an enlarged schematic view of region a in fig. 1.

In the figure: the device comprises a base 1, an installation block 2, a guide rail 3, a sliding rod 4, a return spring 5, a limiting block 6, a pushing block 7, a clamping groove 8, a clamping block 9, a clamping spring 10, an insertion block 11, a frame 12, a bolt 13, a double-layer transparent cover 14 and a damping spring 15.

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 to 3, the present invention provides a technical solution: the utility model provides an accurate measuring device for chemical weight analysis, the on-line screen storage device comprises a base 1, fixedly connected with installation piece 2 on the base 1, and fixed mounting has guide rail 3 on the base 1, sliding connection has slide bar 4 on the guide rail 3, and cup jointed reset spring 5 on the slide bar 4, fixedly connected with stopper 6 on the slide bar 4, and fixed mounting has ejector pad 7 on the slide bar 4, be provided with draw-in groove 8 on the installation piece 2, and the joint has fixture block 9 in the draw-in groove 8, fixedly connected with joint spring 10 on the fixture block 9, and joint spring 10 fixed connection is on inserted block 11, 11 fixed mounting of inserted block has frame 12, and there is double-deck translucent cover 14 through bolt 13 fixed mounting on frame 12, fixed mounting has damping spring 15 in the double-deck translucent cover 14.

As shown in fig. 1, a measuring device is arranged on a base 1, three groups of two symmetrically arranged mounting blocks 2 are fixedly arranged on the side wall of the base 1, the mounting blocks 2 are L-shaped in cross section, powder to be measured is placed at the weighing position of the base 1, the mounting blocks 2 are connected with a frame 12 and a double-layer transparent cover 14, the powder to be measured is subjected to sound insulation, and the influence of sound waves on the measurement precision is prevented;

as shown in fig. 1 and 3, the insertion block 11 is connected to the bottom of the frame 12 and is inserted into the mounting block 2 in a matching manner, a sliding groove is formed in the insertion block 11, the clamping block 9 is slidably connected into the sliding groove, the section of the clamping block 9 is fan-shaped, the frame 12 is inserted into the insertion block 11, in the insertion process, the clamping block 9 is extruded by the inner wall of the mounting block 2 and retracts into the sliding groove under the action of the clamping spring 10 until the insertion block 11 is completely inserted into the mounting block 2, the clamping block 9 is ejected into the clamping groove 8 under the action of the clamping spring 10, the frame 12 is quickly fixed, the reset spring 5 is located between the limiting block 6 and the inner wall of the guide rail 3, the pushing block 7 can push the clamping block 9 out of the clamping groove 8 by pushing the slide rod 4, so that the frame 12 can be pulled out, and the reset spring 5 can;

as shown in fig. 1 and 2, the damping springs 15 are fixedly connected between the two rectangular cover bodies of the double-layer transparent cover 14 and located at four corners of the cover bodies, the bolts 13 penetrate through the damping springs 15 to be connected with the frame 12, the double-layer transparent cover 14 is mainly installed at four side surfaces of the frame 12, through the damping springs 15 and the double-layer arrangement, the received vibration such as sound waves can be eliminated, it is ensured that the measurement is not affected, the top of the frame 12 is provided with a push-pull glass door, the placement of an object to be measured is facilitated, when the object to be measured is cleaned, the frame 12 is integrally taken down, the interference is avoided, and the cleaning is ensured to be clean;

the working principle is as follows: when the device is used, a powder object to be detected is placed on the weighing position of the base 1, the frame 12 is inserted on the base 1, the inserting block 11 on the frame is inserted with the mounting block 2, in the inserting process, the clamping block 9 is extruded by the inner wall of the mounting block 2 and retracts into the chute under the action of the clamping spring 10 until the inserting block 11 is completely inserted into the mounting block 2, the clamping block 9 is ejected into the clamping chute 8 under the action of the clamping spring 10 to quickly fix the frame 12, the double-layer transparent cover 14 is arranged around the frame 12, the damping spring 15 is arranged between the two layers of cover bodies, vibration generated by the outside can be eliminated, measurement is not influenced, the sliding door is arranged at the top of the frame 12, the object to be detected is conveniently placed in and taken, but if the base 1 is to be cleaned, the sliding rod 4 is pushed to push the pushing block 7 to push the clamping block 9 out of the clamping chute 8, therefore, the frame 12 can be pulled out, interference is avoided, and clean cleaning is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. An accurate measuring device for chemical gravimetric analysis, comprising a base (1), characterized in that: the base (1) is fixedly connected with a mounting block (2), the base (1) is fixedly provided with a guide rail (3), the guide rail (3) is connected with a slide bar (4) in a sliding way, a return spring (5) is sleeved on the sliding rod (4), a limiting block (6) is fixedly connected on the sliding rod (4), a push block (7) is fixedly arranged on the slide bar (4), a clamping groove (8) is arranged on the mounting block (2), a clamping block (9) is clamped in the clamping groove (8), a clamping spring (10) is fixedly connected on the clamping block (9), and the clamping spring (10) is fixedly connected on the inserting block (11), the inserting block (11) is fixedly provided with a frame (12), and a double-layer transparent cover (14) is fixedly arranged on the frame (12) through a bolt (13), and a damping spring (15) is fixedly arranged in the double-layer transparent cover (14).

2. The accurate measuring device for chemical weight analysis according to claim 1, wherein the base (1) is provided with a measuring device, three groups of two mounting blocks are fixedly mounted on the side wall of the base (1) of the mounting block (2), and the cross section of the mounting block (2) is L-shaped.

3. An accurate measuring device for chemical gravimetric analysis according to claim 1, characterized in that: the bottom at frame (12) is connected in inserted block (11), pegs graft with installation piece (2) cooperation, the spout has been seted up on inserted block (11), and fixture block (9) sliding connection is in the spout, the cross-sectional shape of fixture block (9) is fan-shaped, reset spring (5) are located between stopper (6) and guide rail (3) inner wall.

4. An accurate measuring device for chemical gravimetric analysis according to claim 1, characterized in that: damping spring (15) fixed connection is between two rectangle cover bodies of double-deck translucent cover (14), and is located four angles of the cover body, bolt (13) run through damping spring (15) and are connected with frame (12).

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