CN219552360U

CN219552360U - Liquid chromatograph sampling device

Info

Publication number: CN219552360U
Application number: CN202320489394.6U
Authority: CN
Inventors: 黄彩娟; 覃延淑; 吴东海
Original assignee: Guangxi Hehe Medical Laboratory Co ltd
Current assignee: Guangxi Hehe Medical Laboratory Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-18
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a liquid chromatograph sample injection device which comprises a box body, wherein a gear knob is fixedly arranged on the front side of the box body, a swinging device is fixedly arranged on the left side of the box body, a swinging frame is arranged in the box body, and a sample placing frame is arranged at the top of the swinging frame. According to the utility model, through the cooperation of the swinging device and the swinging frame, the swinging frame can be driven to move left and right through the rotation of the swinging device, so that samples inserted into the sample placing frame at the top of the swinging frame can be uniformly mixed, meanwhile, through the gear knob, a user can conveniently adjust the swinging frequency, so that blood samples can be uniformly mixed in batches, the problems that the existing manual swinging mixing efficiency is low, the continuous swinging of people is easy to cause fatigue, and the samples and the mixtures cannot be completely mixed together are solved, so that the separation time is prolonged, and the sample inspection accuracy is also reduced.

Description

Liquid chromatograph sampling device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a liquid chromatography sampling device.

Background

The liquid chromatograph consists of a high-pressure infusion pump, a sample injection system, a temperature control system and the like, and is an instrument for separating the mixture first and then analyzing and identifying the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or insoluble.

The liquid chromatograph needs to place a large amount of sample bottles containing samples to be detected at one time before detection, the samples and the mixture are uniformly mixed by manual shaking, and then the mixed sample bottles can be sequentially arranged on a sample introduction disc to finish sample arrangement and determination.

The existing mixing efficiency through manual shaking is low, and the personnel can easily generate fatigue after shaking continuously, so that the sample and the mixture cannot be completely mixed together, the separation time is prolonged, and meanwhile, the problem of sample inspection accuracy is also reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a liquid chromatograph sample injection device which has the advantage of uniform mixing in batches, and solves the problems that the existing manual shaking mixing method is low in efficiency, and the continuous shaking of personnel is easy to cause fatigue, so that samples and mixtures cannot be completely mixed together, thereby prolonging the separation time and reducing the sample inspection accuracy.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid chromatograph sampling device, includes the box, equal fixed mounting in bottom of the case four corners has the supporting leg, box front side left side fixed mounting has display panel, box front side fixed mounting has the gear knob, equal fixed mounting in box both sides top has the barre, through-hole one has been seted up at box left side top, through-hole two has been seted up at box right side top, box left side fixed mounting has the device that sways, the inside frame that shakes that is provided with of box, the equal fixed mounting in frame both sides have the slide rail of swaing, the draw-in groove has all been seted up at frame top both sides, it is provided with the sample rack to shake the frame top, equal fixedly connected with fixture block in sample rack bottom both sides, the spout has all been seted up at the top of box inner wall both sides, box left side fixed mounting has the protection casing.

As the preferable mode of the utility model, the swinging device comprises an electric motor, the output end of the electric motor is connected with a bent block in a key way, two groups of threaded holes are formed in two sides of the electric motor, which are far away from the electric motor, of the adjusting block, an adjusting component is connected with the two groups of threaded holes in a threaded way, a guide rod is fixedly connected to the left side of a swinging frame, a limit roller is welded to the left side of the guide rod, an adjusting rod is welded to the right side of the swinging frame, a baffle is welded to the right side of the adjusting rod, a spring is sleeved on the surface of the adjusting rod, one end of the spring is welded to the left side of the baffle, and the other end of the spring is welded to the surface of a box body.

As the preferable mode of the utility model, the adjusting component comprises two groups of fixing frames, two groups of triangular blocks are welded on one side, far away from the adjusting block, of the fixing frames, two groups of through grooves are formed on one side, far away from the adjusting block, of the fixing frames, two groups of bolts are arranged on one side, far away from the adjusting block, of the fixing frames, and one ends of the two groups of bolts penetrate through the two groups of through grooves and are in threaded connection with the two groups of threaded holes.

As the preferable mode of the utility model, the limit roller is clamped at one side of the bent block, the limit roller is made of nylon material, the section of the handle bar is in arc-shaped arrangement, and the handle bar is made of stainless steel material.

As the preferable mode of the utility model, the adjusting rod is inserted into the second through hole, the guide rod is inserted into the first through hole, the sliding rail is in sliding connection with the sliding groove, and the electric motor is electrically connected with the gear knob through a lead.

As the preferable mode of the utility model, one side of the clamping groove, which is close to the clamping block, is provided with a chamfer, and the clamping block is inserted into the clamping groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the swinging device and the swinging frame, the swinging frame can be driven to move left and right through the rotation of the swinging device, so that samples inserted into the sample placing frame at the top of the swinging frame can be uniformly mixed in a swinging way, meanwhile, through the gear knob, a user can conveniently adjust the swinging frequency, so that blood samples can be uniformly mixed in batches, the problems that the existing manual swinging mixing efficiency is low, the continuous swinging of people is easy to cause fatigue, so that samples and mixtures cannot be completely mixed together are solved, the separation time is prolonged, the problem of sample inspection accuracy is also reduced, and the effects of batch mixing and adjustable swinging frequency are achieved.

2. According to the utility model, the electric motor is matched with the curved block, the adjusting rod can be pushed to move through rotation, the adjusting rod synchronously drives the shaking frame to move, and the shaking frame moving rightwards can be automatically pushed leftwards through the elasticity of the spring through the matching of the adjusting rod and the spring, so that the shaking frame can shake back and forth in the box body, and blood samples in the sample placing frame are uniformly mixed.

3. According to the utility model, the positions of the electric motor can be fixed by arranging the two groups of fixing frames to be matched with the two groups of bolts, the positions of the electric motor can be conveniently adjusted by a user by arranging the two groups of through grooves, and the two groups of triangular blocks are used for enhancing the integral strength of the fixing frames and preventing deformation from influencing the fixing positions of the electric motor after long-term use.

Drawings

FIG. 1 is a schematic diagram of a liquid chromatograph sample injector according to the present utility model;

FIG. 2 is a schematic view of a three-dimensional exploded structure of the swing device of the present utility model;

fig. 3 is a schematic perspective view of the box body of the present utility model.

In the figure: 1. a case; 2. support legs; 3. a display panel; 4. a gear knob; 5. a handle bar; 6. a first through hole; 7. a second through hole; 8. a swinging device; 80. an electric motor; 81. a curved block; 82. an adjusting block; 83. a threaded hole; 84. an adjustment assembly; 840. a fixing frame; 841. triangular blocks; 842. a through groove; 843. a bolt; 85. a guide rod; 86. limiting idler wheels; 87. an adjusting rod; 88. a baffle; 89. a spring; 9. shaking the frame; 10. a slide rail; 11. a clamping groove; 12. a sample rack; 13. a clamping block; 14. a chute; 15. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the liquid chromatograph sample injection device provided by the utility model comprises a box body 1, supporting legs 2 are fixedly arranged at four corners at the bottom of the box body 1, a display panel 3 is fixedly arranged at the left side of the front side of the box body 1, a gear knob 4 is fixedly arranged at the front side of the box body 1, a handle 5 is fixedly arranged at the top of two sides of the box body 1, a first through hole 6 is formed at the top of the left side of the box body 1, a second through hole 7 is formed at the top of the right side of the box body 1, a swinging device 8 is fixedly arranged at the left side of the box body 1, a swinging frame 9 is arranged in the box body 1, sliding rails 10 are fixedly arranged at two sides of the swinging frame 9, clamping grooves 11 are formed at two sides of the top of the swinging frame 9, a sample placing frame 12 is fixedly connected with clamping blocks 13 at two sides of the bottom of the sample placing frame 12, sliding grooves 14 are formed at the top of two sides of the inner wall of the box body 1, and a protective cover 15 is fixedly arranged at the left side of the box body 1.

Referring to fig. 2, the swinging device 8 comprises an electric motor 80, an output end of the electric motor 80 is connected with a curved block 81 in a key manner, two groups of threaded holes 83 are formed in two sides of the electric motor 80, which are far away from one side of the electric motor 80, of the adjusting block 82, an adjusting component 84 is connected with the two groups of threaded holes 83 in a threaded manner, a guide rod 85 is fixedly connected to the left side of a swinging frame 9, a limit roller 86 is welded to the left side of the guide rod 85, an adjusting rod 87 is welded to the right side of the swinging frame 9, a baffle 88 is welded to the right side of the adjusting rod 87, a spring 89 is sleeved on the surface of the adjusting rod 87, one end of the spring 89 is welded to the left side of the baffle 88, and the other end of the spring 89 is welded to the surface of the box 1.

As a technical optimization scheme of the utility model, through the arrangement of the cooperation of the electric motor 80 and the curved block 81, the adjusting rod 87 can be pushed to move by rotation, the adjusting rod 87 synchronously drives the shaking frame 9 to move, through the arrangement of the cooperation of the adjusting rod 87 and the spring 89, the shaking frame 9 moving rightwards can be automatically pushed leftwards through the elasticity of the spring 89, so that the shaking frame 9 can shake back and forth in the box body 1, and blood samples in the sample placing frame 12 are uniformly mixed.

Referring to fig. 2, the adjusting component 84 includes two sets of fixing frames 840, two sets of triangular blocks 841 are welded on a side of the fixing frames 840 away from the adjusting block 82, two sets of through grooves 842 are formed on a side of the fixing frames 840 away from the adjusting block 82, two sets of bolts 843 are arranged on a side of the fixing frames 840 away from the adjusting block 82, and one ends of the two sets of bolts 843 penetrate through the two sets of through grooves 842 and are in threaded connection with the two sets of threaded holes 83.

As a technical optimization scheme of the present utility model, the position of the electric motor 80 can be fixed by providing two sets of fixing frames 840 and two sets of bolts 843, the position of the electric motor 80 can be conveniently adjusted by a user by providing two sets of through grooves 842, and the fixing position of the electric motor 80 is prevented from being influenced by deformation after long-term use by providing two sets of triangular blocks 841 for reinforcing the overall strength of the fixing frames 840.

Referring to fig. 2, a limiting roller 86 is clamped at one side of a curved block 81, the limiting roller 86 is made of nylon material, the section of a handle bar 5 is arc-shaped, and the handle bar 5 is made of stainless steel material.

As a technical optimization scheme of the utility model, through the splicing cooperation of the bent block 81 and the limit roller 86, the limit roller 86 can be pushed to move through the rotation of the bent block 81, so that the shaking frame 9 can be shaken, the limit roller 86 made of nylon material has stronger wear resistance and better smoothness, the cross section of the handle 5 is arranged in an arc shape, so that the handle 5 is convenient for a user to hold, and is convenient for carrying and carrying equipment, and the handle 5 made of stainless steel material has the advantages of stronger hardness and higher wear resistance.

Referring to fig. 2 and 3, the adjusting rod 87 is inserted into the second through hole 7, the guide rod 85 is inserted into the first through hole 6, the slide rail 10 is slidably connected with the slide groove 14, and the electric motor 80 is electrically connected with the gear knob 4 through a wire.

As a technical optimization scheme of the utility model, the adjusting rod 87 is inserted into the second through hole 7 and the guide rod 85 is inserted into the first through hole 6, so that the shaking frame 9 can be guided, the horizontal position of the shaking frame 9 can be effectively and stably maintained through the sliding connection of the sliding rail 10 and the sliding groove 14, and the shaking frequency of the shaking frame 9 can be conveniently adjusted by a user through the electric connection of the electric motor 80 and the gear knob 4.

Referring to fig. 2, a chamfer is provided on one side of the clamping groove 11 near the clamping block 13, and the clamping block 13 is inserted into the clamping groove 11.

As a technical optimization scheme of the utility model, the chamfer on one side of the clamping groove 11 can provide guidance when the sample rack 12 is installed, so that a user can conveniently and smoothly insert the clamping block 13 into the clamping groove 11, and the sample rack 12 is fixed at the top of the shaking frame 9.

The working principle and the using flow of the utility model are as follows: when the sample rack 12 is slowly downward placed in the clamping groove 11, the clamping block 13 is inserted into the clamping groove 11 in the falling process, the position of the sample rack 12 is fixed, the electric motor 80 is controlled to be started by the torsion gear knob 4, the electric motor 80 rotates to drive the crank block 81 to rotate, the rotation of the crank block 81 drives the limit roller 86 to synchronously rotate, when one end of the crank block 81 rotates to the farthest end from the circle center, the crank block 81 pushes the limit roller 86 to move rightwards, the limit roller 86 synchronously drives the adjusting rod 87, the shaking frame 9 and the guide rod 85 to synchronously move, the shaking frame 9 synchronously drives the sample rack 12 to move, the spring 89 is gradually stretched under the influence of acting force, the slide rail 10 slides rightwards in the chute 14, the guide rod 85 moves in the first through hole 6, the adjusting rod 87 moves in the second through hole 7, the spring 89 drives the baffle 88 to move leftwards through elasticity when one end of the crank block 81 rotates to the nearest distance from the circle, the shaking frame 9 drives the sample rack 12 to move leftwards under the influence of acting force of the adjusting rod 87, the shaking frame 9 pushes the limit roller 86 to move leftwards, the limit roller 86 moves leftwards synchronously, the limit roller 89 moves leftwards, the sample rack 89 is contacted with the electric motor 1, the sample rack 12 is contacted with the sample rack 1, the sample rack is evenly moves downwards, the sample rack is contacted with the sample rack 1, and the sample rack is evenly moves the sample rack 1, the sample rack is rapidly and the sample rack is contacted with the sample rack is rapidly, and the sample rack is rapidly and the sample rack is subjected to sample rack.

To sum up: this liquid chromatograph sampling device, through setting up the cooperation of swaing device 8 and rocking frame 9, can drive through the rotation of swaing device 8 and rock frame 9 and move about, thereby will peg graft the sample that the sample rack 12 at 9 tops was rocked and mix, simultaneously through gear knob 4, can convenient to use person adjusts the frequency of rocking, thereby can mix blood sample in batches, the inefficiency that current through artifical rocking mixes has been solved, personnel constantly rocks and produces tired easily, thereby lead to sample and the unable complete mixture of mixture together, therefore the time of separation has been prolonged, the problem of sample inspection accuracy has still been reduced simultaneously.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a liquid chromatography sampling device, includes box (1), its characterized in that: the utility model discloses a box, including box (1), box (1) bottom four corners all fixed mounting has supporting leg (2), box (1) front side left side fixed mounting has display panel (3), box (1) front side fixed mounting has gear knob (4), box (1) both sides top all fixed mounting has barre (5), through-hole one (6) have been seted up at box (1) left side top, through-hole two (7) have been seted up at box (1) right side top, box (1) left side fixed mounting has swinging means (8), box (1) inside is provided with shakes frame (9), shake frame (9) both sides all fixed mounting and have slide rail (10), shake frame (9) top all to have seted up draw-in groove (11), shake frame (9) top and be provided with sample rack (12), sample rack (12) both sides all fixedly connected with fixture block (13) in bottom, spout (14) have all been seted up at the top of box (1) inner wall both sides, protection casing (1) left side fixed mounting has (15).

2. The liquid chromatography sample injection device according to claim 1, wherein: swing device (8) are including electric motor (80), electric motor (80) output key is connected with bent piece (81), equal fixed mounting in electric motor (80) both sides and regulating block (82), two sets of screw holes (83) have been seted up to regulating block (82) one side of keeping away from electric motor (80), two sets of screw hole (83) inside threaded connection has adjusting part (84), it has guide bar (85) to shake frame (9) left side fixedly connected with, guide bar (85) left side welding has spacing gyro wheel (86), it has regulation pole (87) to shake frame (9) right side welding, regulation pole (87) right side welding has baffle (88), regulation pole (87) surface cover is equipped with spring (89), spring (89) one end welding is in baffle (88) left side, spring (89) other end welding is on box (1) surface.

3. The liquid chromatography sample injection device according to claim 2, wherein: the adjusting component (84) comprises two groups of fixing frames (840), two groups of triangular blocks (841) are welded on one side, away from the adjusting block (82), of the fixing frames (840), two groups of through grooves (842) are formed in one side, away from the adjusting block (82), of the fixing frames (840), two groups of bolts (843) are arranged on one side, away from the adjusting block (82), of the fixing frames (840), and one ends of the two groups of bolts (843) penetrate through the two groups of through grooves (842) and are in threaded connection with the two groups of threaded holes (83).

4. The liquid chromatography sample injection device according to claim 2, wherein: the limiting roller (86) is clamped on one side of the bent block (81), the limiting roller (86) is made of nylon materials, the section of the handle rod (5) is in an arc shape, and the handle rod (5) is made of stainless steel materials.

5. The liquid chromatography sample injection device according to claim 2, wherein: the adjusting rod (87) is inserted into the second through hole (7), the guide rod (85) is inserted into the first through hole (6), the sliding rail (10) is in sliding connection with the sliding groove (14), and the electric motor (80) is electrically connected with the gear knob (4) through a wire.

6. The liquid chromatography sample injection device according to claim 1, wherein: the clamping groove (11) is provided with a chamfer angle at one side close to the clamping block (13), and the clamping block (13) is inserted into the clamping groove (11).