Amino acid analyzer with automatic sample injection function

Abstract

The utility model discloses an automatic sample injection amino acid analyzer, and belongs to the technical field of amino acid analyzers. The amino acid analyzer with the automatic sample injection function comprises a machine box, a base is installed at the bottom end of the machine box, a pair of cabinet doors are hinged to one side of the machine box, an analyzer body is installed at the bottom end in the machine box, a sample injection pipe is connected to one side of the analyzer body, an automatic sample injection mechanism is installed on one side of the machine box, and the automatic sample injection mechanism comprises a transverse plate; the top end of the transverse plate is provided with a threaded rod, the two ends of the threaded rod are sleeved with retaining seats, the bottom ends of the retaining seats are fixedly connected with the top end of the transverse plate, the threaded rod is sleeved with a sliding block, one side of the sliding block is provided with an extension arm, one end of the extension arm is provided with a side plate, and one side of the side plate is provided with a plurality of electric rotary tables. According to the automatic sample feeding device, the function of automatic sample feeding by overturning the test tube can be effectively realized, a sample is prevented from being polluted during sample feeding, and the automatic sample feeding device has a relatively high practical value.

Description

TECHNICAL FIELD

[0001] The utility model relates to amino acid analyzer technical field, concretely is a kind of automatic amino acid analyzer of sample injection. BACKGROUND

[0002] Amino acid analyzer is a method for determining the amino acid composition or content of protein, peptide and other pharmaceutical preparations. Before amino acid analysis, the protein and peptide must be hydrolyzed into individual amino acids. It is an ion exchange chromatograph based on cation exchange column separation, post-column ninhydrin derivatization and photometric determination.

[0003] Amino acid analyzer with automatic sample injection is disclosed in Chinese patent CN218917307U, which includes a body and an automatic sample injection unit. The left side of the opening at the upper left corner of the front surface of the body is hingedly connected to a sealing door through a hinge. The right wall surface of the body is provided with a chromatographic sample injection port at the lower end. The top wall surface of the body is provided with a hollow box in the middle. The left and right walls of the hollow box are connected to the rear end of the upper and lower symmetrically distributed pulleys through a rotating shaft. The left surface of the hollow box is provided with a motor one through a mounting seat at the upper end. The output shaft right end of the motor one is fixedly connected to the left end of the pulley left side rotating shaft. The two pulleys are connected through a belt drive.

[0004] The technical solution described in this scheme can accurately sample amino acids and avoid sample waste caused by human factors. However, when using this scheme, the injection tube and injection pump are easily contaminated by the previous sample, which affects the accuracy of subsequent detection.

[0005] Therefore, in view of the above problems, the existing structure and deficiencies are improved to provide an automatic amino acid analyzer with sample injection, in order to achieve a more practical value. INVENTION CONTENTS

[0006] The utility model aims at providing an automatic amino acid analyzer with sample injection to solve the problem of existing automatic amino acid analyzer with sample injection, which is easily contaminated by the previous sample through injection tube and injection pump, affecting the accuracy of subsequent detection.

[0007] In view of the above problems, the technical solution proposed by the utility model is as follows:

[0008] An automatic sample injection amino acid analyzer comprises a cabinet, a base is installed at the bottom end of the cabinet, a pair of cabinet doors are hinged to one side of the cabinet, an analyzer body is installed at the internal bottom end of the cabinet, a sample injection tube is connected to one side of the analyzer body, an automatic sample injection mechanism is installed on one side of the cabinet, the automatic sample injection mechanism comprises a horizontal plate, a threaded rod is arranged at the top end of the horizontal plate, a retaining seat is sleeved on both ends of the threaded rod, the bottom end of the retaining seat is fixedly connected with the top end of the horizontal plate, a sliding block is sleeved on the outer side of the threaded rod, an extension arm is installed on one side of the sliding block, a side plate is installed at one end of the extension arm, a plurality of electric turntables are installed on one side of the side plate, a clamping frame is installed on the rotating end of the electric turntable, and a clamping plate is arranged on the inner side of the clamping frame.

[0009] Further, one side of the retaining seat is provided with a motor, and the output end of the motor is connected with one end of the threaded rod.

[0010] The beneficial effect of the above further scheme is that the threaded rod is driven to rotate by the motor.

[0011] Further, a slide rod is installed on the opposite sides of the pair of clamping plates, one end of the slide rod penetrates through one side of the clamping frame, a spring is sleeved on the outer side of the slide rod, one end of the spring is connected with the outer side of the clamping plate, and the other end of the spring is connected with the inner side of the clamping frame.

[0012] The beneficial effect of the above further scheme is that the movement stability of the clamping plate is improved by installing the slide rod on the opposite sides of the pair of clamping plates, and the automatic clamping function of the clamping plate is realized by sleeving the spring on the outer side of the slide rod.

[0013] Further, a support frame is installed at the bottom end of the horizontal plate, and the support frame is fixedly connected with the inner side of the cabinet.

[0014] The beneficial effect of the above further scheme is that the support frame installed at the bottom end of the horizontal plate provides additional support for the horizontal plate, enhances the stability of the automatic sample injection mechanism, prevents the automatic sample injection mechanism from shaking during operation, and ensures the accuracy of sample injection.

[0015] Further, arc-shaped grooves are arranged on the adjacent sides of the pair of clamping plates.

[0016] The beneficial effect of the above further scheme is that the arc-shaped grooves arranged on the adjacent sides of the pair of clamping plates can better fit the outer wall of the sample test tube during clamping, increase the contact area, and improve the stability of clamping.

[0017] Further, a sample injection hopper is installed at the top end of the sample injection tube.

[0018] The beneficial effect of the further scheme is that the sample can be conveniently introduced into the sample inlet pipe through the sample inlet hopper installed at the top end of the sample inlet pipe, the risk of sample spilling is reduced, and the convenience of sample introduction operation is improved.

[0019] Further, one side of one of the cabinet doors is provided with a control panel.

[0020] The beneficial effect of the further scheme is that the equipment is controllable through the control panel installed on one side of one of the cabinet doors, and the use convenience of the product is improved.

[0021] Compared with the prior art, the amino acid analyzer with automatic sample introduction has the beneficial effects that: the analyzer body is installed at the inner bottom end of the case, the amino acid analysis function is realized, the sliding block is sleeved on the outer side of the threaded rod, the threaded rod rotation can drive the sliding block to move, so that the clamping frame moves, the clamping frame is installed at the rotating end of the electric turntable, the angle of the clamping frame is adjusted, so that the test tube automatically overturns and pours the sample, the threaded rod is connected to the output end of the motor, the threaded rod is driven to rotate, the sliding rod is installed at the opposite side of the pair of clamping plates, the movement stability of the clamping plate is improved, the spring is sleeved on the outer side of the sliding rod, the automatic clamping function of the clamping plate is realized, the support frame is installed at the bottom end of the horizontal plate, the horizontal plate is provided with additional support, the stability of the automatic sample introduction mechanism is improved, the automatic sample introduction mechanism is not easy to shake during operation, the accuracy of sample introduction is ensured, the arc-shaped grooves are formed in the adjacent sides of the pair of clamping plates, the outer wall of the sample test tube can be better fitted when the test tube is clamped, the contact area is increased, and the stability of clamping is improved, the sample inlet hopper is installed at the top end of the sample inlet pipe, the sample can be conveniently introduced into the sample inlet pipe, the risk of sample spilling is reduced, and the convenience of sample introduction operation is improved, the control panel is installed on one side of one of the cabinet doors, the equipment is controllable, and the use convenience of the product is improved, the test tube overturning and automatic sample introduction function can be effectively realized, the sample is prevented from being contaminated during sample introduction, and the automatic sample introduction amino acid analyzer has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The three-dimensional structure schematic diagram disclosed by the embodiment of the utility model is shown in the figure;

[0023] Figure 2 The one of the case cross section three-dimensional structure schematic diagram disclosed by the embodiment of the utility model is shown in the figure;

[0024] Figure 3 The two of the case cross section three-dimensional structure schematic diagram disclosed by the embodiment of the utility model is shown in the figure;

[0025] Figure 4 The exploded three-dimensional structure schematic diagram disclosed by the embodiment of the utility model is shown in the figure;

[0026] Figure 5The utility model discloses an embodiment of the utility model discloses Figure 4 The structure amplification schematic view of middle A structure.

[0027] In the figure: 100, the case; 102, the cabinet door; 103, the control panel; 104, the base; 105, the analyzer body; 106, the sample inlet pipe; 107, the sample inlet hopper; 108, the automatic sample inlet mechanism; 10801, the transverse plate; 10802, the retaining seat; 10803, the threaded rod; 10804, the motor; 10805, the sliding block; 10806, the extension arm; 10807, the side plate; 10808, the electric turntable; 10809, the clamping frame; 10810, the clamping plate; 10811, the sliding rod; 10812, the spring; 10813, the arc slot; 10814, the support frame. DETAILED DESCRIPTION

[0028] The technical scheme 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 protection scope of the utility model.

[0029] Please refer to Figures 1-5The utility model provides a technical scheme: an automatic sample feeding amino acid analyzer, including case 100, the bottom end of case 100 is installed with pedestal 104, the side of case 100 is hinged with a pair of cabinet door 102, the inside bottom end of case 100 is installed with analyzer body 105, the side of analyzer body 105 is connected with sample feeding pipe 106, the side of case 100 is installed with automatic sample feeding mechanism 108, automatic sample feeding mechanism 108 includes horizontal plate 10801, the top of horizontal plate 10801 is equipped with threaded rod 10803, both ends of threaded rod 10803 are all equipped with retaining seat 10802, the bottom end of retaining seat 10802 and the top of horizontal plate 10801 are fixedly connected, the outside of threaded rod 10803 is equipped with sliding block 10805, the side of sliding block 10805 is installed with extension arm 10806, one end of extension arm 10806 is installed with side plate 10807, the side of side plate 10807 is installed with a plurality of electric turntables 10808, the rotary end of electric turntable 10808 is installed with clamping frame 10809, the inside of clamping frame 10809 is equipped with clamping plate 10810, through the inside bottom end of case 100 is installed with analyzer body 105, realizes amino acid analysis function, through the outside of threaded rod 10803 is equipped with sliding block 10805, realizes threaded rod 10803 rotation and can drive sliding block 10805 to move, to realize clamping frame 10809 movement, through the rotary end of electric turntable 10808 is installed with clamping frame 10809, realizes clamping frame 10809 angle adjustment, to realize test tube automatic overturning and dumping sample.

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely 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 and not 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.

[0031] Please refer to Figures 1-5One side of the retaining seat 10802 is provided with a motor 10804, the output end of the motor 10804 is connected with one end of the threaded rod 10803, the opposite sides of the pair of clamping plates 10810 are provided with slide rods 10811, one end of the slide rod 10811 penetrates through one side of the clamping frame 10809, the outer side of the slide rod 10811 is sleeved with a spring 10812, one end of the spring 10812 is connected with the outer side of the clamping plate 10810, the other end of the spring 10812 is connected with the inner side of the clamping frame 10809, the threaded rod 10803 is driven to rotate by the output end of the motor 10804, the movement stability of the clamping plate 10810 is improved by the pair of slide rods 10811, and the automatic clamping function of the clamping plate 10810 is realized by the spring 10812.

[0032] 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 protection scope of the utility model.

[0033] Please refer to Figures 1-5 The bottom end of the horizontal plate 10801 is provided with a supporting frame 10814, one side of the supporting frame 10814 is fixedly connected with the inner side of the cabinet 100, the adjacent sides of the pair of clamping plates 10810 are provided with arc-shaped grooves 10813, the top end of the sample inlet pipe 106 is provided with a sample inlet hopper 107, one side of one of the cabinet doors 102 is provided with a control panel 103, the bottom end of the horizontal plate 10801 is provided with the supporting frame 10814, so that the horizontal plate 10801 is provided with additional support, the stability of the automatic sample feeding mechanism 108 is enhanced, the automatic sample feeding mechanism 108 is not easy to shake during operation, the accuracy of sample feeding is ensured, the adjacent sides of the pair of clamping plates 10810 are provided with the arc-shaped grooves 10813, so that the outer wall of the sample test tube can be better fitted when the test tube is clamped, the contact area is increased, and the stability of clamping is improved, the top end of the sample inlet pipe 106 is provided with the sample inlet hopper 107, so that the sample can be conveniently introduced into the sample inlet pipe 106, the risk of sample spilling is reduced, and the convenience of sample feeding operation is improved, one side of one of the cabinet doors 102 is provided with the control panel 103, so that the equipment is controllable, and the use convenience of the product is improved.

[0034] Specifically, the working principle of the automatic amino acid analyzer: when in use, the analyzer body 105 is installed at the bottom end of the inside of the cabinet 100 to realize the amino acid analysis function, the sliding block 10805 is sleeved on the outer side of the threaded rod 10803, the rotation of the threaded rod 10803 can drive the sliding block 10805 to move, so that the clamping frame 10809 moves, the clamping frame 10809 is installed at the rotating end of the electric turntable 10808 to realize the angle adjustment of the clamping frame 10809, so that the test tube is automatically turned over and the sample is poured, the threaded rod 10803 is connected with the output end of the motor 10804 and one end of the threaded rod 10803, the threaded rod 10803 is driven to rotate, the sliding rod 10811 is installed at the opposite sides of the clamping plate 10810 to improve the movement stability of the clamping plate 10810, the spring 10812 is sleeved on the outer side of the sliding rod 10811 to realize the automatic clamping function of the clamping plate 10810, the support frame 10814 is installed at the bottom end of the horizontal plate 10801 to provide additional support for the horizontal plate 10801, enhance the stability of the automatic sampling mechanism 108, so that it is not easy to shake during operation, ensure the accuracy of sampling, the arc-shaped grooves 10813 are formed in the adjacent sides of the clamping plate 10810, so that the outer wall of the sample test tube can be better fitted when clamping the test tube, the contact area is increased, and the stability of clamping is improved, the sampling hopper 107 is installed at the top end of the sampling pipe 106, the sample can be conveniently introduced into the sampling pipe 106, the risk of sample spilling is reduced, and the convenience of sampling operation is improved, the control panel 103 is installed on one side of one of the cabinet doors 102 to realize the controllability of the equipment and increase the use convenience of the product, the utility model can effectively realize the test tube overturning automatic sampling function, avoid the pollution of the sample during sampling, and has high practical value.

Claims

1. An automatic amino acid analyzer characterized by comprising: The utility model relates to a kind of automatic sample injection mechanism, including cabinet (100), the bottom end of the cabinet (100) is equipped with pedestal (104), one side of the cabinet (100) is hinged to a pair of cabinet door (102), the inside bottom end of the cabinet (100) is equipped with analyzer body (105), one side of the analyzer body (105) is connected with sample tube (106), one side of the cabinet (100) is equipped with automatic sample injection mechanism (108), and the automatic sample injection mechanism (108) includes cross plate (10801), the top end of the cross plate (10801) is equipped with threaded rod (10803), both ends of the threaded rod (10803) are equipped with retaining seat (10802), the bottom end of the retaining seat (10802) and the top end of cross plate (10801) are fixedly connected, the outer side of the threaded rod (10803) is equipped with sliding block (10805), one side of the sliding block (10805) is equipped with extension arm (10806), one end of the extension arm (10806) is equipped with side plate (10807), one side of the side plate (10807) is equipped with several electric turntables (10808), and the rotating end of the electric turntable (10808) is equipped with clamping frame (10809), and the inner side of the clamping frame (10809) is equipped with clamping plate (10810).

2. The automatic sample injection amino acid analyzer according to claim 1, wherein, One side of the retaining seat (10802) is equipped with motor (10804), and the output end of the motor (10804) is connected with one end of the threaded rod (10803).

3. The automatic sample injection amino acid analyzer of claim 1, wherein, The opposite side of a pair of clamping plates (10810) is equipped with slide rod (10811), one end of the slide rod (10811) penetrates one side of clamping frame (10809), the outer side of the slide rod (10811) is equipped with spring (10812), one end of the spring (10812) is connected with the outer side of clamping plate (10810), and the other end of the spring (10812) is connected with the inner side of clamping frame (10809).

4. The automatic sample injection amino acid analyzer of claim 1 wherein, The bottom end of the cross plate (10801) is equipped with support frame (10814), and one side of the support frame (10814) is fixedly connected with the inner side of the cabinet (100).

5. The automatic sample injection amino acid analyzer of claim 1 wherein, The adjacent side of a pair of clamping plates (10810) is equipped with arc slot (10813).

6. The automatic sample injection amino acid analyzer of claim 1 wherein, The top end of the sample tube (106) is equipped with sample hopper (107).

7. The automatic sample injection amino acid analyzer of claim 1 wherein, One side of the cabinet door (102) is equipped with control panel (103).

Images