High performance liquid chromatograph

Abstract

The utility model belongs to the technical field of liquid chromatographs, and particularly relates to a high performance liquid chromatograph which comprises an equipment body, a placing groove is formed in the top of the equipment body; two first sliding grooves are formed in the side wall of the containing groove. The two first sliding grooves are oppositely arranged; a plurality of sliding blocks are slidably connected to the middle of the first sliding groove. A fixed rod is fixedly connected to the middle parts of the two opposite sliding blocks; the middle of the fixing rod is slidably connected with two sets of first lantern rings and second lantern rings. A first spring is fixedly connected to the middle of the first lantern ring and the middle of the second lantern ring. The first spring is fixedly connected to the outer part of the fixed rod; clamping plates are fixedly connected to the middle parts of the first lantern ring and the second lantern ring; by means of the structure, the liquid storage bottle can be stably placed on the top of the equipment body, the equipment body is kept stable in the working process, and the situation that a worker frequently moves and replaces the liquid storage bottle, and consequently the worker makes contact with and collides with other liquid storage bottles is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid chromatograph technical field, specifically is a kind of high performance liquid chromatograph. BACKGROUND

[0002] High performance liquid chromatograph is mainly used to analyze the organic compound of high boiling point, not volatile, unstable under heat and large molecular weight.

[0003] In the detection process of high performance liquid chromatograph, sample solution is entered into chromatographic column by high-pressure pump, in chromatographic column, different components in sample will occur partitioning between stationary phase and mobile phase, due to the different partition coefficients of different components, the time of residence in chromatographic column is also different, realize separation, and the components after separation flow out chromatographic column in turn, are detected by detector and converted into electric signal, so as to obtain high performance liquid chromatogram, and carry out analysis work.

[0004] In the solution detection process, different experiments and analysis need to use different mobile phase or solvent, and staff need to move and replace liquid storage bottle frequently, liquid storage bottle is placed at the top of equipment, and contact and collision with other liquid storage bottles are likely to occur during replacement, so that liquid storage bottle is shaken and dropped, and the connection is loose or damaged.

[0005] Therefore, the utility model provides a kind of high performance liquid chromatograph. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background art is solved.

[0007] The utility model solves its technical problem adopts the technical scheme that the utility model discloses a high efficiency liquid chromatograph, including equipment body, the equipment body top is equipped with the placing groove, the placing groove side wall is equipped with two first sliding slot, two first sliding slot is opposite setting, first sliding slot middle part is connected with a plurality of sliding block in sliding mode, two opposite sliding block middle part is fixed with fixed link, fixed link middle part is connected with two groups of first sleeve ring and second sleeve ring in sliding mode, first sleeve ring and second sleeve ring middle part are fixed with first spring, first spring is fixed in fixed link outside, first sleeve ring and second sleeve ring middle part all are fixed with clamping plate, two clamping plates are opposite setting, the clamping plate is set up in elasticity, through above -mentioned structure can make the liquid storage bottle steady place in equipment body top, make equipment body keep stable in the working process, reduce the staff's frequent movement and the replacement liquid storage bottle cause and other liquid storage bottle produce contact and the collision of change, reduce the problem that the liquid storage bottle shakes and falls in the working process causes the connection to produce slack or damage, thereby reduce the solvent flow and the air tightness drop in the detection process, and can reduce the solvent leak because of falling, effectively increase the accuracy of detection result and the safety in the detection process.

[0008] Preferably, the equipment body top is rotatably connected with a protective cover; the equipment body top is provided with a fixing groove; the bottom side of the protective cover is fixedly connected with a clamping block; one side of the equipment body top is slidably connected with a sliding rod; the end of the sliding rod is fixedly connected with a second spring and the side wall of the equipment body; the sliding rod is slidably connected at the position corresponding to the fixing groove; a plurality of grooves are formed in the side wall of the protective cover; and the plurality of grooves are arranged on one side of the clamping block.

[0009] Preferably, a plurality of second sliding grooves are formed in the side wall of the equipment body; the plurality of second sliding grooves are arranged at positions corresponding to the grooves; two positioning rods are slidably connected in the middle of the second sliding grooves; the middle of the two positioning rods is fixedly connected with a third spring; a fixed plate is fixedly connected to the side wall of the positioning rod; and the two fixed plates are arc-shaped and opposite.

[0010] Preferably, the device body side wall is fixed with a plurality of top blocks; a plurality of the top blocks are fixed at the top of the second sliding groove; a plurality of the top blocks are fixed at the corresponding groove position; the top block is semicircular; the above structure can reduce the bending of the hose during long-term use, reduce the wear and tear or breakage caused by frequent bending of the hose, maintain the stability of fluid transmission during detection, keep the transmission fluid smooth, and reduce the fluid resistance caused by bending.

[0011] Preferably, the groove side wall is provided with a sponge pad; the sponge pad is fixed in the middle of the groove; the sponge pad has softness and elasticity, which can reduce the friction between the hose and the protective cover during long-term use, reduce the damage to the hose caused by long-term friction, and reduce the direct contact between the hose and the protective cover to reduce the wear rate of the hose during use.

[0012] Preferably, the middle of the clamping plate is fixed with a rubber pad; the rubber pad is fixed to the inner side wall of the clamping plate; the rubber pad has good elasticity and sealing performance, can fill the small gap between the clamping plate and the liquid storage bottle, can increase the contact area between the clamping plate and the surface of the liquid storage bottle, and can effectively reduce the clamping pressure of the clamping plate on the surface of the liquid storage bottle, and reduce the surface damage of the liquid storage bottle during fixing.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model discloses a high performance liquid chromatograph, which can stably place the liquid storage bottle on the top of the device body through the above structure, keep the device body stable during work, reduce the contact and collision between the liquid storage bottle and other liquid storage bottles caused by frequent movement and replacement of the liquid storage bottle by the staff, and reduce the loosening or damage of the connecting part caused by shaking and falling of the liquid storage bottle during work.

[0015] 2. The utility model discloses a high performance liquid chromatograph, which can effectively isolate the liquid storage bottle from the outside during detection through the above structure, reduce the volatilization of organic solvents into the air during detection, effectively reduce a large amount of dust and small particles in the detection environment, reduce the adhesion of dust and particles on the liquid storage bottle, and reduce the pollution of the liquid storage bottle caused by dust. ACCURATE DRAWINGS

[0016] The utility model will be further described below with reference to the drawings.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the structure schematic view of the clamping plate in the utility model;

[0019] Figure 3 is the structure diagram of the protective cover in the utility model;

[0020] Figure 4 is the structure diagram of the fixed plate in the utility model.

[0021] In the drawing: 1, equipment body; 10, placing groove; 11, first sliding groove; 12, sliding block; 13, fixed rod; 14, first sleeve ring; 15, second sleeve ring; 16, first spring; 17, clamping plate; 2, protective cover; 21, fixed groove; 22, recess; 23, clamping block; 24, sliding rod; 25, second spring; 3, second sliding groove; 31, positioning rod; 32, third spring; 33, fixed plate; 4, top block; 5, sponge pad; 6, rubber pad. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] For example, Figures 1 to 4The utility model discloses a high -efficient liquid chromatograph, including equipment body 1, equipment body 1 top is equipped with the placing groove 10, the placing groove 10 side wall is equipped with two first sliding slot 11, two first sliding slot 11 are opposite and set up, a plurality of sliding blocks 12 are connected in the middle part of first sliding slot 11, two opposite sliding blocks 12 middle part is firmly connected with fixed rod 13, two groups of first thimble 14 and second thimule 15 are connected in the middle part of fixed rod 13, first spring 16 is firmly connected in the middle part of first thimble 14 and second thimule 15, first spring 16 is firmly connected in fixed rod 13 outside, the clamping plate 17 is firmly connected in the middle part of first thimble 14 and second thimule 15, two clamping plates 17 are opposite and set up, the clamping plate 17 is elastically arranged, when detecting, first the liquid storage bottle is placed between two clamping plates 17, when placing the larger liquid storage bottle, the pressure is applied to two clamping plates 17, makes first thimble 14 and second thimule 15 slide in the middle part of fixed rod 13, simultaneously, first spring 16 is elastically stretched along with first thimble 14 and second thimule 15, and by the elasticity of clamping plate 17 and the surface of liquid storage bottle closely, the sliding block 12 is slid in the middle part of first sliding slot 11 when fixed rod 13 moves, thereby adjust the distance between liquid storage bottle, in the detection process, the liquid storage bottle is fixed in the top of equipment body 1 through clamping plate 17, through the above structure, the liquid storage bottle can be stably placed on the top of equipment body 1, the equipment body 1 can keep stable during the working process, reduce the contact and collision of the liquid storage bottle and other liquid storage bottles caused by the frequent movement and replacement of the liquid storage bottle of staff, reduce the solvent flow and the decrease of air tightness during the detection process, and can reduce the leakage of solvent caused by falling, effectively increase the accuracy of detection result and the safety during the detection process.

[0024] As Figures 1 to 4As shown, the device body 1 top rotary connection has a protective cover 2; the device body 1 top is provided with a fixed groove 21; the protective cover 2 bottom side is fixedly connected with a clamping block 23; the device body 1 top side is slidably connected with a slide rod 24; the slide rod 24 end and the device body 1 side wall are fixedly connected with a second spring 25; the slide rod 24 is slidably connected at the position corresponding to the fixed groove 21; the protective cover 2 side wall is provided with a plurality of grooves 22; a plurality of the grooves 22 are arranged on one side of the clamping block 23; during operation, when placing the liquid storage bottle, the protective cover 2 is rotated to one side to open, and after the liquid storage bottle is fixed, the protective cover 2 is rotated again to close; the hose of the liquid storage bottle is placed in the middle of the groove 22 according to the position; at this time, the slide rod 24 is moved outward, the clamping block 23 enters the inside of the fixed groove 21, then the slide rod 24 is loosened, the second spring 25 is elastically contracted to make the slide rod 24 quickly enter the fixed groove 21, the clamping block 23 is fixed by the end of the slide rod 24, the liquid storage bottle is protected by the protective cover 2, and the above structure can effectively isolate the liquid storage bottle from the outside during detection, reduce the volatilization of organic solvents into the air during detection, and effectively reduce a large amount of dust and tiny particles in the detection environment, so that the dust and particulate matter attached to the liquid storage bottle is reduced, and the pollution of the dust to the liquid storage bottle is reduced.

[0025] As shown in the figure, Figures 1 to 4 The device body 1 side wall is provided with a plurality of second sliding grooves 3; a plurality of the second sliding grooves 3 are arranged at positions corresponding to the grooves 22; the second sliding grooves 3 are slidably connected with two positioning rods 31 in the middle; two positioning rods 31 are fixedly connected with a third spring 32 in the middle; the positioning rod 31 side wall is fixedly connected with a fixed plate 33; two fixed plates 33 are arranged in an arc shape; during operation, during detection, the hose of the liquid storage bottle is arranged in the middle of the groove 22, the two positioning rods 31 are moved to both sides, the positioning rod 31 is slid in the middle of the second sliding groove 3, and the third spring 32 is elastically stretched; the hose is placed in the middle of the corresponding two fixed plates 33, the positioning rod 31 is loosened and reset by the elastic contraction of the third spring 32; at this time, the two fixed plates 33 clamp and fix the hose; the above structure can position and fix the hose during the operation of the device body 1, can make the hose closely connected with each part of the device, reduce the leakage of the solvent in the transmission process caused by the shaking of the hose, and can reduce the abrasion and shedding of the hose during movement or pulling.

[0026] As shown in the figure, Figures 1 to 4As shown, the device body 1 side wall is fixed with a plurality of top block 4; a plurality of the top block 4 is fixed on the top of the second sliding groove 3; a plurality of the top block 4 is fixed on the corresponding groove 22 position; the top block 4 is semicircular; when the hose is fixed by two fixed plate 33, the hose is first attached to the top block 4 on the top of the device body 1 side, the hose is bent by the arc of the top block 4, the above structure can reduce the bending of the hose in the long-term use process, reduce the wear and tear or rupture problem caused by frequent bending, can keep the stability of fluid transmission during detection, keep the transmission fluid smooth, reduce the fluid resistance caused by bending.

[0027] As shown in Figure 1 , Figure 3 and Figure 4 , the groove 22 side wall is installed with sponge pad 5; the sponge pad 5 is fixed in the groove 22 middle; when the hose in the liquid storage bottle passes through the middle of the groove 22, the sponge pad 5 is contacted when the hose moves or shakes, the above structure sponge pad 5 has soft and elastic, can reduce the friction between the hose and the protective cover 2 in the long-term use process, reduce the problem of damage caused by long-term friction, and the sponge pad 5 can reduce the direct contact between the hose and the protective cover 2, reduce the wear speed of the hose in use.

[0028] As shown in Figure 2 , the clamping plate 17 middle is fixed with rubber pad 6; the rubber pad 6 is fixed in the clamping plate 17 inner side wall; when the liquid storage bottle is fixed by the clamping plate 17, the clamping plate 17 is closely attached to the surface of the liquid storage bottle by the rubber pad 6, the above structure rubber pad 6 has good elasticity and sealing performance, can fill the small gap between the clamping plate 17 and the liquid storage bottle, can increase the contact area between the clamping plate 17 and the surface of the liquid storage bottle, and can effectively reduce the clamping pressure of the clamping plate 17 on the surface of the liquid storage bottle, reduce the surface damage in the process of fixing the liquid storage bottle.

[0029] As shown in Figure 1 , the protective cover 2 is made of transparent material; the protective cover 2 bottom is closely attached to the top of the device body 1; during detection, the use state of the liquid storage bottle can be directly observed, the above structure can directly observe the solvent in the liquid storage bottle during detection, can quickly judge whether the liquid storage bottle needs to be replaced and supplemented without opening the protective cover 2, effectively improve the detection efficiency.

[0030] When working, first, the liquid storage bottles are placed between the two clamping plates 17, and when the larger liquid storage bottles are placed, the two clamping plates 17 are pressed, so that the first sleeve 14 and the second sleeve 15 slide in the middle of the fixed rod 13, and the first spring 16 is elastically stretched along with the first sleeve 14 and the second sleeve 15, and is tightly attached to the surface of the liquid storage bottle through the elasticity of the clamping plate 17, the sliding block 12 slides in the middle of the first sliding groove 11 when the fixed rod 13 is moved, so that the distance between the liquid storage bottles is adjusted, and the liquid storage bottles are fixed on the top of the equipment body 1 during the detection process, when the liquid storage bottles are placed, the protective cover 2 is turned to one side to open, and after the liquid storage bottles are fixed, the protective cover 2 is turned again to close, the hose of the liquid storage bottle is placed in the middle of the groove 22 according to the position, at this time, the sliding rod 24 is moved outward, the clamping block 23 enters the inside of the fixed groove 21, then the sliding rod 24 is loosened, the sliding rod 24 is quickly moved into the fixed groove 21 through the elastic contraction of the second spring 25, the clamping block 23 is fixed through the end of the sliding rod 24, the liquid storage bottle is protected through the protective cover 2, during the detection process, the hose of the liquid storage bottle is arranged in the middle of the groove 22, the two positioning rods 31 are moved to two sides, so that the positioning rod 31 slides in the middle of the second sliding groove 3, and the third spring 32 is elastically stretched, the hose is placed in the middle of the two fixed plates 33, the positioning rod 31 is loosened and reset through the elastic contraction of the third spring 32, at this time, the two fixed plates 33 clamp and fix the hose, when the hose is fixed through the two fixed plates 33, the hose is first attached to the top block 4 on one side of the top of the equipment body 1, the hose is bent through the arc of the top block 4, the hose in the liquid storage bottle passes through the middle of the groove 22, when the hose moves or shakes, the hose is in contact with the sponge pad 5, when the liquid storage bottle is fixed through the clamping plate 17, the clamping plate 17 is tightly attached to the surface of the liquid storage bottle through the rubber pad 6, during the detection process, the use state of the liquid storage bottle is directly observed.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high performance liquid chromatograph comprising an apparatus body (1); characterized in that: The equipment body (1) top is equipped with the placement groove (10), the placement groove (10) side wall is equipped with two first sliding slot (11), two first sliding slot (11) are opposite and are equipped, the first sliding slot (11) middle sliding connection has a plurality of sliding block (12), two opposite sliding block (12) middle fixedly connected with fixed link (13), fixed link (13) middle sliding connection has two groups of first ring (14) and second ring (15), first ring (14) and second ring (15) middle fixedly connected with first spring (16), first spring (16) is fixedly connected in fixed link (13) outside, first ring (14) and second ring (15) middle are all fixedly connected with clamping plate (17), two clamping plate (17) are opposite and are equipped, clamping plate (17) is elastically arranged.

2. The high performance liquid chromatograph of claim 1, wherein: The equipment body (1) top is rotatably connected with the protective cover (2), the equipment body (1) top is equipped with the fixed groove (21), the protective cover (2) bottom one side is fixedly connected with the clamping block (23), the equipment body (1) top one side is slidably connected with the sliding rod (24), the sliding rod (24) end and the equipment body (1) side wall are fixedly connected with the second spring (25), the sliding rod (24) is slidably connected in the corresponding fixed groove (21) position, the protective cover (2) side wall is equipped with a plurality of grooves (22), a plurality of grooves (22) are arranged on one side of the clamping block (23).

3. The high performance liquid chromatograph of claim 1, wherein: The equipment body (1) side wall is equipped with a plurality of second sliding slots (3), a plurality of second sliding slots (3) are arranged in the corresponding groove (22) position, the second sliding slot (3) middle sliding connection has two positioning rods (31), two positioning rods (31) middle fixedly connected with the third spring (32), the positioning rod (31) side wall is fixedly connected with the fixed plate (33), two fixed plates (33) are arc-shaped and opposite and are arranged.

4. The high performance liquid chromatograph of claim 1, wherein: The equipment body (1) side wall is fixedly connected with a plurality of top blocks (4), a plurality of top blocks (4) are fixedly connected on the second sliding slot (3) top, a plurality of top blocks (4) are fixedly connected in the corresponding groove (22) position, the top block (4) is semicircular arrangement.

5. The high performance liquid chromatograph of claim 2, wherein: The groove (22) side wall is mounted with the sponge pad (5), and the sponge pad (5) is fixedly connected in the groove (22) middle.

6. The high performance liquid chromatograph of claim 1, wherein: The clamping plate (17) middle is fixedly connected with the rubber pad (6), and the rubber pad (6) is fixedly connected on the inner side wall of the clamping plate (17).

7. The high performance liquid chromatograph of claim 2, wherein: The protective cover (2) is made of transparent material, and the bottom of the protective cover (2) is tightly attached to the top of the equipment body (1).

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