Auxiliary device for weighing sample in small crucible

Abstract

The utility model relates to the technical field of weighing auxiliary devices, in particular to an auxiliary device for weighing a sample in a small crucible, which comprises a connecting plate, connecting assemblies are mounted at four corners of the lower end of the connecting plate, and the connecting plate is adsorbed on an external balance weighing disc through the connecting assemblies. Placing grooves for placing small crucibles are uniformly formed in the upper end of the connecting plate, mounting frames are clamped to the two sides of the upper end of the connecting plate, moving assemblies are slidably clamped to one sides of the mounting frames, a sliding frame is installed between the moving assemblies, a sliding plate is slidably installed in the sliding frame, a funnel is fixedly installed on the sliding plate, and the funnel is located above the connecting plate; the structure can be fixed on a weighing disc of an external balance through the connecting assembly, meanwhile, crucibles can be placed on the connecting plate through the placing grooves, a user can conveniently place a sample through the funnel, a plurality of the placing grooves are arranged, a plurality of crucibles can be placed for weighing, and the funnel can move, so that the use of the user is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to an auxiliary device, concretely is an auxiliary device for sample weighing in small -size crucible, belongs to weighing auxiliary device technical field. BACKGROUND

[0002] Differential thermal analyzer is a kind of instrument for measuring the temperature difference between substance and reference and temperature relationship, is widely used in material science, geology, metallurgy and chemistry etc., differential thermal analysis works by measuring the temperature difference generated by the sample to be tested and reference in the heating or cooling process, when sample experiences physical or chemical change, will absorb or release heat, cause its temperature change relative to reference, thereby produce temperature difference, these temperature difference is converted into electric signal, and after being amplified by amplifier, record as differential thermal curve, before carrying out reaction, need to use balance to weigh sample, however, the size of the crucible used by equipment is small, easy to cause the phenomenon of spilling, and inconvenient to use, zero the balance during weighing, then take out the crucible and add sample, it is tedious to operate and waste time, and add sample in the balance, sample is easy to drop on the balance tray, in view of this, the utility model is presented. SUMMARY

[0003] The utility model discloses a kind of auxiliary devices for sample weighing in small -size crucible, with the advantage that sample is conveniently placed, by connecting assembly, the structure can be fixed on the weighing pan of external balance, meanwhile, by placing groove, the crucible can be placed on connecting plate, by funnel, user can conveniently place sample, and placing groove has multiple, multiple crucibles can be placed to weigh, and funnel can move position, convenient for user to use.

[0004] The utility model discloses a kind of auxiliary devices for sample weighing in small crucible, including connecting plate, the lower end four corner positions of the connecting plate are equipped with connecting assembly, the connecting plate is adsorbed on external balance weighing disc by the connecting assembly, the upper end of the connecting plate is evenly provided with the placing groove for placing small crucible, the both sides of the upper end of the connecting plate are clamped with mounting bracket, the shape of the mounting bracket is U type, one side of the mounting bracket is slidably clamped with moving assembly, sliding frame is installed between the moving assembly, sliding plate is slidably installed in the sliding frame, funnel is fixedly installed on the sliding plate, the funnel is above the connecting plate, when using, first the connecting plate is adsorbed on external balance weighing disc by the connecting assembly, subsequently mounting bracket of installing moving assembly and sliding frame is installed on the connecting plate, subsequently crucible is placed in the placing groove, subsequently external balance is zeroed, by the funnel, sample can be placed into crucible, to complete the placement of sample, and the moving assembly can drive funnel to move, to adjust the position of sample leakage, facilitate multiple crucible together weighing.

[0005] Further, in order to install the connecting assembly at the lower end four corner positions of the connecting plate, the connecting assembly includes a connecting rod, which is fixedly installed at the lower end four corner positions of the connecting plate, and a threaded groove is formed on the outer side of the lower end of the connecting rod.

[0006] Further, in order to adsorb the connecting plate on the external balance weighing disc, the connecting assembly further includes a sleeve, which is threadedly installed at the lower end of the connecting rod, and a suction cup is fixedly installed at the lower end of the sleeve, which is adsorbed on the external balance weighing disc.

[0007] Further, in order to magnetically clamp the mounting bracket on the connecting plate, a clamping groove is formed at the upper end four corner positions of the connecting plate, a positive magnetic block is fixedly installed at the inner lower end of the clamping groove, clamping columns are fixedly installed at the two ends of the mounting bracket, a negative magnetic block is fixedly installed at the lower end of each clamping column, and the positive magnetic block corresponds to the negative magnetic block.

[0008] Further, in order to install the moving assembly in the sliding groove, a sliding groove is formed on one side of the mounting bracket, a limiting hole is formed on one side of the sliding groove, the limiting hole extends to the other side of the mounting bracket, and the limiting hole corresponds to the placing groove.

[0009] Further, in order to make the sliding block slide in the sliding groove, the moving assembly includes a sliding block, one end of the sliding block is slidably clamped in the sliding groove, and a moving groove is formed on the upper end of the sliding block.

[0010] Further, in order to be able to slide the block clamping and fixing, the moving groove is slidably installed with a push plate, one side of the push plate is fixedly installed with a limiting rod, one end of the limiting rod is slidably clamped in the limiting hole, the other end of the push plate is fixedly installed with a spring, the other end of the spring is fixedly connected with the inside one end of the moving groove.

[0011] Further, in order to be able to adjust the position of the sliding plate, thereby adjusting the position of the funnel, the inside of the sliding frame is provided with a clamping groove, the sliding plate is slidably installed in the clamping groove, and rubber anti-skid rings are installed at the upper and lower ends of the inside of the clamping groove.

[0012] The technical effects and advantages of the utility model are that the connecting assembly can fix the structure on the weighing disc of an external balance, the placing groove can place the crucible on the connecting plate, the funnel can conveniently place the sample for the user, the placing groove has multiple placing grooves, multiple crucibles can be placed for weighing, and the funnel can move position, which is convenient for the user to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic view of the utility model;

[0014] Figure 2 It is the whole structure half sectional view of the utility model;

[0015] Figure 3 It is the half sectional view of the connecting plate in the utility model;

[0016] Figure 4 It is the structure schematic view of the mounting frame in the utility model;

[0017] Figure 5 It is the half sectional view of the moving assembly and the sliding frame in the utility model;

[0018] In the drawing: 1, connecting plate; 2, connecting assembly; 201, connecting rod; 202, sleeve; 203, suction cup; 3, placing groove; 4, mounting frame; 5, moving assembly; 501, sliding block; 502, moving groove; 503, push plate; 504, limiting rod; 505, spring; 6, sliding frame; 7, sliding plate; 8, funnel; 9, clamping groove; 10, positive magnetic block; 11, clamping column; 12, negative magnetic block; 13, sliding groove; 14, limiting hole; 15, clamping groove; 16, rubber anti-skid ring. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0020] Please refer to Figures 1-5 As shown in FIG. 1, an auxiliary device for sample weighing in a small crucible comprises a connecting plate 1, a connecting assembly 2 is installed at the lower end of each corner of the connecting plate 1, the connecting plate 1 is adsorbed on an external balance weighing disc through the connecting assembly 2, a placing groove 3 for placing a small crucible is evenly arranged at the upper end of the connecting plate 1, mounting racks 4 are clamped at both sides of the upper end of the connecting plate 1, the mounting racks 4 are U-shaped, a moving assembly 5 is slidingly clamped at one side of the mounting rack 4, a sliding frame 6 is installed between the moving assemblies 5, a sliding plate 7 is slidingly installed in the sliding frame 6, a funnel 8 is fixedly installed on the sliding plate 7, and the funnel 8 is located above the connecting plate 1. In use, first, the connecting plate 1 is adsorbed on the external balance weighing disc through the connecting assembly 2, then the mounting rack 4 provided with the moving assembly 5 and the sliding frame 6 is installed on the connecting plate 1, then the crucible is placed in the placing groove 3, and then the external balance is zeroed. The test sample can be placed into the crucible through the funnel 8, so that the placement of the test sample is completed, and the moving assembly 5 can drive the funnel 8 to move, so that the position of the test sample leakage is adjusted, facilitating the weighing of multiple crucibles together.

[0021] The connecting assembly 2 comprises a connecting rod 201, the connecting rod 201 is fixedly installed at the lower end of each corner of the connecting plate 1, and a threaded groove is arranged at the lower end of the outer side of the connecting rod 201. The connecting assembly 2 further comprises a sleeve 202, the sleeve 202 is threadedly installed at the lower end of the connecting rod 201, and a suction disc 203 is fixedly installed at the lower end of the sleeve 202. In use, the connecting plate 1 provided with the connecting assembly 2 is placed on the external balance weighing disc, and then the suction disc 203 is adsorbed on the external balance weighing disc.

[0022] A clamping groove 9 is arranged at each corner of the upper end of the connecting plate 1, a positive magnetic block 10 is fixedly installed at the inner lower end of the clamping groove 9, clamping columns 11 are fixedly installed at both ends of the mounting rack 4, and a negative magnetic block 12 is fixedly installed at the lower end of each clamping column 11. The positive magnetic block 10 corresponds to the negative magnetic block 12. In use, the clamping column 11 is magnetically clamped in the clamping groove 9 through the positive magnetic block 10 and the negative magnetic block 12, so that the mounting rack 4 can be installed at both sides of the upper end of the connecting plate 1.

[0023] The side of the mounting frame 4 is provided with a sliding groove 13, and the side of the sliding groove 13 is provided with a limiting hole 14, the limiting hole 14 extends to the other side of the mounting frame 4, and the limiting hole 14 corresponds to the placing groove 3, the moving assembly 5 comprises a sliding block 501, one end of the sliding block 501 is slidably connected in the sliding groove 13, and some upper ends of the sliding block 501 are provided with a moving groove 502, a push plate 503 is slidably installed in the moving groove 502, and the push plate 503 is fixedly installed with a limiting rod 504 on one side, one end of the limiting rod 504 is slidably connected in the limiting hole 14, and the other end of the push plate 503 is fixedly installed with a spring 505, and the other end of the spring 505 is fixedly connected with the inside end of the moving groove 502, in use, the push plate 503 is pushed, so that the limiting rod 504 can be separated from the limiting hole 14, so that the sliding block 501 can move in the sliding groove 13, and the funnel 8 can be longitudinally adjusted, after adjustment is completed, the push plate 503 is loosened, and one end of the limiting rod 504 is connected in the limiting hole 14 under the action of the spring 505, so that the sliding block 501 can be fixed.

[0024] The inside of the sliding frame 6 is provided with a clamping groove 15, the sliding plate 7 is slidably installed in the clamping groove 15, and the inside of the clamping groove 15 is provided with rubber anti-skid rings 16 at the upper and lower ends, in use, the position of the sliding plate 7 in the clamping groove 15 is adjusted, so that the position of the funnel 8 can be adjusted transversely, so that a plurality of crucibles can be placed with samples, and the user can use conveniently.

[0025] In use, the connecting plate 1 provided with the connecting assembly 2 is placed on the external balance weighing disc, then is adsorbed on the external balance weighing disc through the suction cup 203, the clamping column 11 is magnetically clamped in the clamping groove 9 through the positive magnetic block 10 and the negative magnetic block 12, so that the mounting frame 4 can be installed on the two sides of the upper end of the connecting plate 1, the push plate 503 is pushed, so that the limiting rod 504 can be separated from the limiting hole 14, so that the sliding block 501 can move in the sliding groove 13, so that the funnel 8 can be longitudinally adjusted, after adjustment is completed, the push plate 503 is loosened, and one end of the limiting rod 504 is connected in the limiting hole 14 under the action of the spring 505, so that the sliding block 501 can be fixed, the position of the sliding plate 7 in the clamping groove 15 is adjusted, so that the position of the funnel 8 can be adjusted transversely, so that a plurality of crucibles can be placed with samples, and the user can use conveniently.

[0026] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0027] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single independent technical solution, but this does not mean that each embodiment only contains one independent technical solution. The specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. An auxiliary device for weighing samples in small crucibles, comprising a connecting plate (1), characterised in that: The lower end of the connecting plate (1) is provided with a connecting assembly (2), the connecting plate (1) is adsorbed on the external balance weighing disc through the connecting assembly (2), the upper end of the connecting plate (1) is uniformly provided with a placing groove (3) for placing a small crucible, both sides of the upper end of the connecting plate (1) are clamped with a mounting frame (4), the mounting frame (4) is in U-shaped, one side of the mounting frame (4) is slidably clamped with a moving assembly (5), the moving assembly (5) is provided with a sliding frame (6), the sliding frame (6) is slidably provided with a sliding plate (7), the sliding plate (7) is fixedly provided with a hopper (8), and the hopper (8) is located above the connecting plate (1).

2. A device for assisting in weighing a sample in a small crucible according to claim 1, characterized in that: The connecting assembly (2) comprises a connecting rod (201), the connecting rod (201) is fixedly installed at the lower end of the connecting plate (1), and a threaded groove is formed in the outer side of the lower end of the connecting rod (201).

3. A device for assisting in weighing a sample in a small crucible according to claim 2, characterized in that: The connecting assembly (2) further comprises a sleeve (202), the sleeve (202) is threadedly installed at the lower end of the connecting rod (201), and a suction disc (203) is fixedly installed at the lower end of the sleeve (202), and the suction disc (203) is adsorbed on the external balance weighing disc.

4. A device for assisting in weighing a sample in a small crucible according to claim 1, characterized in that: The upper end of the connecting plate (1) is provided with a clamping groove (9) at the four corners, a positive magnetic block (10) is fixedly installed at the inner lower end of the clamping groove (9), both ends of the mounting frame (4) are fixedly provided with a clamping column (11), a negative magnetic block (12) is fixedly installed at the lower end of the clamping column (11), and the positive magnetic block (10) corresponds to the negative magnetic block (12).

5. A device for assisting in weighing a sample in a small crucible according to claim 1, wherein: The mounting frame (4) is provided with a sliding groove (13) on one side, a limiting hole (14) is formed in one side of the sliding groove (13), the limiting hole (14) extends to the other side of the mounting frame (4), and the limiting hole (14) corresponds to the placing groove (3).

6. The auxiliary device for weighing a sample in a small crucible according to claim 5, characterized in that: The moving assembly (5) comprises a sliding block (501), one end of the sliding block (501) is slidably clamped in the sliding groove (13), and a moving groove (502) is formed in some of the upper end of the sliding block (501).

7. A device for assisting in weighing a sample in a small crucible according to claim 6, characterized in that: The moving groove (502) is slidably provided with a push plate (503), one side of the push plate (503) is fixedly provided with a limiting rod (504), one end of the limiting rod (504) is slidably clamped in the limiting hole (14), the other end of the push plate (503) is fixedly provided with a spring (505), and the other end of the spring (505) is fixedly connected with one end of the moving groove (502).

8. A device for assisting in weighing a sample in a small crucible according to claim 1, characterized in that: The inner side of the sliding frame (6) is provided with a clamping groove (15), the sliding plate (7) is slidably installed in the clamping groove (15), and rubber anti-skid rings (16) are installed at the upper and lower ends of the clamping groove (15).

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