Preparation equipment for chemical qualitative analysis quality control sample

Abstract

The utility model relates to the technical field of sample preparation, in particular to chemical qualitative analysis quality control sample preparation equipment which comprises a mixing barrel, a stirring assembly is fixedly installed in the mixing barrel, a protection assembly is fixedly installed at the lower end of the mixing barrel, and the stirring assembly comprises a motor. A first telescopic rod is fixedly mounted at the output end of the motor, a stirring rod is fixedly connected to one side of the first telescopic rod, stirring blades are fixedly mounted on one side of the stirring rod, and a second telescopic rod is fixedly mounted at the lower ends of the stirring blades; the purpose of the utility model is as follows: when the convex rod of the stirring assembly slides to the uppermost part and the lowermost part of the elliptical chute, the stirring blades move up and down in the mixing barrel, ethanol as a substrate solvent is fully mixed and stirred with dozens of organic components, and in order to ensure the uniformity and efficiency of chemical reaction, the stirring efficiency is improved. And the possibility that the chromatographic peak of the organic component is wrapped by the solvent peak to fail to report during analysis due to the insufficient phenomenon of the solution in the mixing process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the preparation technical field of sample, concretely is a kind of preparation equipment of chemical qualitative analysis quality control sample. BACKGROUND

[0002] Chemical qualitative analysis quality control sample preparation equipment refers to the equipment system specially used for preparing and analyzing chemical quality control sample, these equipment plays a vital role in the development, production, detection and other links of chemical, ensures the quality and safety of chemical, quality control sample is a kind of sample with known concentration or specific property, is used to verify the accuracy of detection method and the stability of detection system, therefore, the accurate and reliable quality control sample is crucial;

[0003] At present, volatile organic components qualitative analysis quality control sample in chemical needs to mix dozens of organic compounds together, selects ethanol as base solvent and mixes dozens of organic components, if solution appears insufficient phenomenon in mixing process, it can lead to the possibility of missing report of organic component chromatographic peak because of being wrapped by solvent peak when analyzing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of preparation equipment of chemical qualitative analysis quality control sample, when convex rod of stirring subassembly slides to the uppermost and the lowermost of oval chute, stirring blade moves up and down inside mixing bucket, ethanol as base solvent is mixed and stirred with dozens of organic components, to ensure the uniformity and efficiency of chemical reaction, prevent solution from appearing insufficient phenomenon in mixing process, cause the possibility of missing report of organic component chromatographic peak because of being wrapped by solvent peak when analyzing, to solve the problems presented in the above background technique.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of preparation equipment of chemical qualitative analysis quality control sample, including mixing bucket, stirring assembly is fixedly installed in mixing bucket interior, protective assembly is fixedly installed in the lower end of mixing bucket, the stirring assembly includes motor, first telescopic link is fixedly installed in the output end of motor, stirring rod is fixedly connected in the side of first telescopic link, stirring blade is fixedly installed in the side of stirring rod, second telescopic link is fixedly installed in the lower end of stirring blade, gear is fixedly connected in the side of second telescopic link, convex rod is fixedly installed on first telescopic link, fixed sleeve is installed on the outer surface of first telescopic link, oval chute is equipped on fixed sleeve, the protective assembly includes two groups of racks, two groups of rack are all transmission connection in gear both sides, L type connecting rod is fixedly connected in the side of two groups of rack, baffle is fixedly installed on both sides of L type connecting rod, piston rod is fixedly connected in the lower end of both sides of L type connecting rod, piston block is fixedly installed in the side of piston rod, piston duct is installed on the outer surface of piston block, suction disc is fixedly installed in the side of piston duct.

[0006] Preferably, the mixing bucket is fixedly installed with a fixed frame, and the L-shaped connecting frame is fixedly installed on one side of the fixed frame.

[0007] Preferably, the L-shaped connecting frame is fixedly installed with a motor on the other side, the first telescopic link extends through the L-shaped connecting frame on one side, and the first telescopic link is connected with the motor, and the fixed sleeve is fixedly installed on the L-shaped connecting frame on one side.

[0008] Preferably, the second telescopic link extends through the mixing bucket on one side, and the second telescopic link is fixedly connected with the gear.

[0009] Preferably, the piston ducts are fixedly installed with fixed blocks on both sides, and the fixed blocks are connected with the fixed frame.

[0010] Preferably, the racks are fixedly installed with sliding rods on both sides, the sliding rods are jointly and slidingly installed with single-tooth blocks, springs are arranged on the sliding rods on both sides, the springs are fixedly connected with the racks on one side, and the springs are fixedly connected with the single-tooth blocks on the other side.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. When the convex rod slides to the uppermost and lowermost of the oval chute, the convex rod pulls the stirring rod up and down through the contraction of the first telescopic link, and the stirring blade moves up and down in the mixing bucket, so that ethanol as a base solvent is fully mixed and stirred with dozens of organic components. In order to ensure the uniformity and efficiency of chemical reaction, prevent the phenomenon of insufficient solution during mixing process, and cause the possibility of missing report of chromatographic peak of organic component due to being wrapped by solvent peak during analysis;

[0013] 2. When the gear rotates, the gear drives the two side racks to move relative to each other, the racks drive the L-shaped connecting rods to move, and the two sets of baffle plates are combined to shield the mixing barrel, effectively preventing the solution from accidentally splashing during mixing and stirring, which may cause unnecessary harm to the detection personnel, and the sealing performance of the stirring equipment is good, thereby minimizing the possibility of the solution splashing due to the kinetic energy generated by stirring;

[0014] 3. The piston block moves along with the L-shaped connecting rod through the piston rod, and the piston block moves inside the piston pipe, evacuating the air inside the suction cup, so that the suction cup is adsorbed on the ground, in order to ensure that the equipment remains in a stable state during mixing and stirring operation, prevents unnecessary shaking or even overall tilting, and thereby avoids the resulting leakage or loss of mixed solution. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the preparation equipment for chemical qualitative analysis quality control sample of the utility model;

[0016] Figure 2 It is a stirring assembly analysis structure schematic view of the preparation equipment for chemical qualitative analysis quality control sample of the utility model;

[0017] Figure 3 It is a protection assembly structure schematic view of the preparation equipment for chemical qualitative analysis quality control sample of the utility model;

[0018] Figure 4 It is a protection assembly analysis structure schematic view of the preparation equipment for chemical qualitative analysis quality control sample of the utility model.

[0019] In the figure: 1, mixing barrel; 2, stirring assembly; 201, motor; 202, first telescopic rod; 203, stirring rod; 204, stirring blade; 205, second telescopic rod; 206, gear; 207, fixed sleeve; 208, oval inclined chute; 209, protruding rod; 210, L-shaped connecting frame; 3, protection assembly; 301, rack; 302, L-shaped connecting rod; 303, baffle; 304, piston rod; 305, piston block; 306, piston pipe; 307, suction cup; 308, sliding rod; 309, spring; 310, single tooth block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Referring to Figures 1 to 4 The utility model provides a kind of preparation equipment of chemical qualitative analysis quality control sample, including mixing bucket 1, mixing bucket 1 is used to select ethanol as base solvent and mix dozens of organic components storage, stirring assembly 2 is fixedly installed in mixing bucket 1 interior, and stirring assembly 2 is fully stirred to select ethanol as base solvent and dozens of organic components, protective assembly 3 is fixedly installed in the lower end of mixing bucket 1, for fixed whole equipment and prevent mixed solution splashing when stirring, hurt inspector;

[0022] Stirring assembly 2 includes motor 201, motor 201 provides power source for whole equipment, first telescopic rod 202 is fixedly installed at the output end of motor 201, and motor 201 drives first telescopic rod 202 to rotate, transmits power and telescopes, stirring rod 203 is fixedly connected to one side of first telescopic rod 202, and four billion telescopic rod 202 drives stirring rod 203 to rotate, stirring blade 204 is fixedly installed at one side of stirring rod 203, and stirring blade 204 rotates following stirring rod 203, and ethanol as base solvent and dozens of organic components mixed sample solution are mixed, second telescopic rod 205 is fixedly installed at the lower end of stirring blade 204, and second telescopic rod 205 is driven to rotate when stirring blade 204 rotates, transmits power and telescopes, gear 206 is fixedly connected to one side of second telescopic rod 205, and second telescopic rod 205 drives gear 206 to rotate, transmits power, convex rod 209 is fixedly installed on first telescopic rod 202, and convex rod 209 rotates following first telescopic rod 202, fixed sleeve 207 is installed on the outer surface of first telescopic rod 202, and fixed sleeve 207 is used to drive other devices to move up and down, oval chute 208 is equipped on fixed sleeve 207, convex rod 209 slides on oval chute 208, when inspector pours ethanol as base solvent and dozens of organic components into mixing bucket 1, motor 201 is started, and motor 201 drives first telescopic rod 202 to rotate, convex rod 209 slides to the uppermost of oval chute 208, and convex rod 209 is retracted through first telescopic rod 202 to pull stirring rod 203 to move upwards, when convex rod 209 slides to the lowermost of oval chute 208, convex rod 209 is retracted through first telescopic rod 202 to pull stirring rod 203 to move downwards, so that stirring blade 204 can move up and down inside mixing bucket, fully mixes and stirs ethanol as base solvent and dozens of organic components, prevent that solution is not fully mixed, cause the chromatographic peak of organic component when analysis is wrapped by solvent peak and the possibility of missing report;

[0023] The protection assembly 3 comprises two sets of racks 301 for transmitting power, both of which are drivingly connected on both sides of the gear 206, the gear 206 drives the relative movement of the two racks 301 on both sides, and both sides of the L-shaped connecting rod 302 are fixedly connected to one side of the two racks 301, the L-shaped connecting rod 302 is driven by the rack 301 to move and transmit power, and the baffle 303 is fixedly installed on both sides of the L-shaped connecting rod 302, the two baffles 303 move with the two connecting rods 302, and the two baffles 303 are combined to shield the mixing barrel 1, prevent the solution from splashing out during mixing and stirring, and injure the detection personnel, the piston rod 304 is fixedly connected to the lower end of the L-shaped connecting rod 302, the piston rod 304 is driven by the L-shaped connecting rod 302 to move, the piston block 305 is fixedly installed on one side of the piston rod 304, the piston block 305 moves with the L-shaped connecting rod 302 through the piston rod 304, the piston pipe 306 is installed on the outer surface of the piston block 305, the piston pipe 306 is used to provide a moving place for the piston block 305, the piston block 305 moves in the piston pipe 306, the suction cup 307 is fixedly installed on one side of the piston pipe 306, the piston block 305 moves in the piston pipe 306, the air in the suction cup 307 is exhausted, so that the suction cup 307 is adsorbed on the ground, preventing the equipment from shaking or the device from toppling over during mixing and stirring, and the mixed solution from flowing out, when the gear 206 rotates, the gear 206 drives the relative movement of the two racks 301 on both sides, the L-shaped connecting rod 302 is driven by the rack 301 to move, the two baffles 303 are combined to shield the mixing barrel 1, prevent the solution from splashing out during mixing and stirring, and injure the detection personnel, the L-shaped connecting rod 302 drives the piston rod 304 to move, the piston block 305 moves with the L-shaped connecting rod 302 through the piston rod 304, the piston block 305 moves in the piston pipe 306, the air in the suction cup 307 is exhausted, so that the suction cup 307 is adsorbed on the ground, preventing the equipment from shaking or the device from toppling over during mixing and stirring, and the mixed solution from flowing out.

[0024] In an optional embodiment, a fixed frame is fixedly installed on the mixing barrel 1, and the L-shaped connecting frame 210 is fixedly installed on one side of the fixed frame, the fixed frame is used to fix the equipment and support the operation of the equipment.

[0025] In an optional embodiment, the motor 201 is fixedly installed on the other side of the L-shaped connecting frame 210, the first telescopic rod 202 is extended through the L-shaped connecting frame 210 on one side, and the first telescopic rod 202 is connected with the motor 201, and the fixed sleeve 207 is fixedly installed on one side of the L-shaped connecting frame 210, the L-shaped connecting frame 210 is used to fixedly install the motor 201 and the fixed sleeve 207.

[0026] In an alternative embodiment, the second telescopic rod 205 extends through the mixing barrel 1 on one side, and the second telescopic rod 205 is fixedly connected with the gear 206. When the stirring blade 204 moves up and down, the second telescopic rod 205 will be retracted and extended, which will not hinder the rotation of the stirring blade 204 and the gear 206.

[0027] In an alternative embodiment, the fixed blocks are fixedly installed on both sides of the piston pipe 306, and the fixed blocks are connected with the fixed frame. The fixed frame is used for fixedly connecting the piston pipe 306.

[0028] In an alternative embodiment, the slide rods 308 are fixedly installed on both sides of the two groups of racks 301, and the single tooth blocks 310 are jointly and slidably installed on the two slide rods 308. The springs 309 are arranged on the two slide rods 308. One side of the two springs 309 is fixedly connected with the rack 301, and the other side of the two springs 309 is fixedly connected with the single tooth block 310. When the gear 206 rotates to the single tooth block 310, the gear 206 will push the single tooth block 310 to move on the slide rod 308, compress the spring 309 to deform, and the single tooth block 310 will be bounced back by the elastic force of the spring 309. The single tooth block 310 reciprocatingly moves, so that the rack 301 no longer moves, the gear idles, and the rotation of the stirring assembly 2 is not affected.

[0029] Working principle: When the detection personnel pour ethanol as a base solvent and dozens of organic components into the mixing barrel 1, start the motor 201, the motor 201 drives the first telescopic rod 202 to rotate, the convex rod 209 slides to the uppermost of the oval chute 208, the convex rod 209 retracts the stirring rod 203 upward through the first telescopic rod 202, and when the convex rod 209 slides to the lowermost of the oval chute 208, the convex rod 209 retracts the stirring rod 203 downward through the first telescopic rod 202, so that the stirring blade 204 can move up and down in the mixing barrel, fully mix and stir ethanol as a base solvent and dozens of organic components, prevent the solution from being insufficiently mixed, and cause the possibility that the chromatographic peak of the organic component is missed when the solution peak is wrapped during analysis. When the gear 206 rotates, the gear 206 drives the two racks 301 to relatively move, the rack 301 drives the L-shaped connecting rod 302 to move, and the two baffles 303 are combined to shield the mixing barrel 1, so as to prevent the solution from splashing out during mixing and stirring, and to prevent the detection personnel from being injured. The L-shaped connecting rod 302 simultaneously drives the piston rod 304 to move, the piston block 305 moves along the L-shaped connecting rod 302 through the piston rod 304, the piston block 305 moves in the piston pipe 306, the air in the suction cup 307 is exhausted, and the suction cup 307 is adsorbed on the ground, so as to prevent the equipment from shaking or the device from toppling over during the mixing and stirring process, and the mixed solution from flowing out.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for preparing quality control samples for qualitative analysis of chemicals, comprising a mixing tank (1), characterized in that, A stirring assembly (2) is fixedly installed inside the mixing tank (1), and a protective assembly (3) is fixedly installed at the lower end of the mixing tank (1). The stirring assembly (2) includes a motor (201), a first telescopic rod (202) is fixedly installed at the output end of the motor (201), a stirring rod (203) is fixedly connected to one side of the first telescopic rod (202), a stirring blade (204) is fixedly installed to one side of the stirring rod (203), a second telescopic rod (205) is fixedly installed at the lower end of the stirring blade (204), a gear (206) is fixedly connected to one side of the second telescopic rod (205), a protruding rod (209) is fixedly installed on the first telescopic rod (202), a fixing sleeve (207) is installed on the outer surface of the first telescopic rod (202), and an elliptical inclined groove (208) is provided on the fixing sleeve (207). The protective component (3) includes two sets of racks (301), both sets of racks (301) are connected to both sides of the gear (206), and an L-shaped connecting rod (302) is fixedly connected to one side of each set of racks (301). A baffle (303) is fixedly installed on each L-shaped connecting rod (302) on both sides. A piston rod (304) is fixedly connected to the lower end of each L-shaped connecting rod (302). A piston block (305) is fixedly installed on one side of the piston rod (304). A piston pipe (306) is installed on the outer surface of the piston block (305). A suction cup (307) is fixedly installed on one side of the piston pipe (306).

2. The equipment for preparing quality control samples for qualitative analysis of chemicals according to claim 1, characterized in that, A fixing frame is fixedly installed on the mixing tank (1), and an L-connecting frame (210) is fixedly installed on one side of the fixing frame.

3. The equipment for preparing quality control samples for qualitative analysis of chemicals according to claim 2, characterized in that, A motor (201) is fixedly installed on the other side of the L-connector (210). One side of the first telescopic rod (202) extends through the L-connector (210) and is connected to the motor (201). One side of the fixing sleeve (207) is fixedly installed on the L-connector (210).

4. The equipment for preparing quality control samples for qualitative analysis of chemicals according to claim 1, characterized in that, The second telescopic rod (205) extends through the mixing tank (1) on one side, and the second telescopic rod (205) is fixedly connected to the gear (206).

5. The equipment for preparing quality control samples for qualitative analysis of chemicals according to claim 1, characterized in that, A fixing block is fixedly installed on both sides of the piston pipe (306), and the fixing block is connected to the fixing frame.

6. The equipment for preparing quality control samples for qualitative analysis of chemicals according to claim 1, characterized in that, Both sets of racks (301) are fixedly mounted with slide rods (308) on both sides. A single tooth block (310) is slidably mounted on both slide rods (308). A spring (309) is provided on both slide rods (308). One side of the spring (309) is fixedly connected to the rack (301), and the other side of the spring (309) is fixedly connected to the single tooth block (310).

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