High performance liquid chromatography purification instrument

Abstract

The utility model provides a high performance liquid chromatography purification instrument, relates to liquid chromatography purification instrument field, include: instrument casing, sealing subassembly, heat dissipation box and cleaning subassembly, said sealing subassembly, heat dissipation box and cleaning subassembly are respectively arranged on the outer wall of instrument casing both sides, and the lower side of heat dissipation box is equipped with dust collection box, the cleaning subassembly is equipped with the dust collection box. The sealing assembly comprises an electric push rod fixed to the outer wall of the instrument shell, the lower end of the electric push rod is connected with a dustproof plate, an inner cavity is formed in the heat dissipation box, a filter screen is arranged on the outer side of the inner cavity, the cleaning assembly comprises a motor fixed to the front side wall of the heat dissipation box, the upper end of the motor is connected with a lead screw, and the outer side of the lead screw is connected with a transverse rod. And a brush plate is arranged on the lower side of the cross rod. The efficient liquid chromatograph disclosed by the utility model solves the problems that the cleaning process of heat dissipation holes of the existing efficient liquid chromatograph is troublesome, and secondary pollution to the ground and the interior of equipment is easily caused.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid chromatography purifiers, in particular to a high performance liquid chromatography purifier. Background Art

[0002] In the production of fungicides, liquid chromatography is usually required for separation and analysis. Liquid chromatography is characterized by using liquid as the mobile phase, and the stationary phase can be in various forms, such as paper, thin plates, and packed beds. In the development of chromatography technology, in order to distinguish various methods, their respective names were generated according to the form of the stationary phase, such as paper chromatography, thin layer chromatography, and column liquid chromatography. After searching, the prior art (publication number: CN220251842U) records "a disinfectant high-performance liquid chromatograph, including a liquid chromatograph body, a protective mechanism is provided at the bottom end of the liquid chromatograph body, a placement slot is provided at the bottom end of the liquid chromatograph body, the interior of the placement slot is used to place a solution bottle, a fixing mechanism is provided above the right side wall of the liquid chromatograph body, a control panel is provided at the rear end wall of the liquid chromatograph body, a U-shaped plate is fixedly connected to the lower right side wall of the liquid chromatograph body, a suction pump is fixedly installed on the inner side of the U-shaped plate, and a suction pipe is fixedly connected to the extraction end of the suction pump. In the utility model, by providing a fixing mechanism, the U-shaped seat, the telescopic rod, the clamping block and the second spring are used in coordination, so that the suction pipe can be fixed, and when not in use, the suction pipe can be stored to prevent the suction pipe from adhering to the dust on the desktop and affecting the accuracy of the detection."

[0003] Although the bactericide high-performance liquid chromatograph in the prior art has achieved the convenience of cleaning the dust in the heat dissipation holes, there are still some shortcomings: the brush involved in the existing high-performance liquid chromatograph needs to be manually operated, which is more troublesome, and during the cleaning process, the dust falls directly on the ground to cause secondary pollution. At the same time, dust will also fall on the inside of the heat dissipation holes during the cleaning process, thereby causing internal pollution of the equipment. Utility Model Content

[0004] In order to overcome the defects of the prior art, a high performance liquid chromatography purification instrument is provided to solve the problems of the existing high performance liquid chromatography, such as the troublesome cleaning process of the heat dissipation holes and the secondary contamination of the ground and the inside of the equipment.

[0005] To achieve the above-mentioned purpose, a high performance liquid chromatography purifier is provided, comprising: an instrument housing, a sealing assembly, a heat sink and a cleaning assembly, wherein the sealing assembly, the heat sink and the cleaning assembly are respectively arranged on the outer walls on both sides of the instrument housing, and a dust box is provided on the lower side of the heat sink, the sealing assembly comprises an electric push rod fixed to the outer wall of the instrument housing, and a dustproof plate is connected to the lower end of the electric push rod, an inner cavity is provided inside the heat sink, and a filter is provided on the outer side of the inner cavity, the cleaning assembly comprises a motor fixed to the front side wall of the heat sink, and a screw is connected to the upper end of the motor, and a cross bar is connected to the outer side of the screw, and a brush plate is provided on the lower side of the cross bar.

[0006] Furthermore, a storage slot plate is provided on the outer side of the dustproof plate, and the storage slot plate is fixed on the upper side of the slot opened on the top of the heat dissipation box, and the dustproof plate is slidably inserted in the cavity opened inside the storage slot plate.

[0007] Furthermore, the heat dissipation box is fixed to the outside of the heat dissipation hole opened on the side wall of the instrument housing, and the heat dissipation box is set to a right-angled trapezoidal structure that is wide at the top and narrow at the bottom, and the filter screen is set on the hypotenuse of the right-angled trapezoid.

[0008] Furthermore, a dust removal hole is provided at the bottom of the inner cavity of the heat dissipation box, and a sealing plate is slidably inserted into the dust removal hole, and a sealing cover is connected to the front end of the sealing plate.

[0009] Furthermore, the outer end of the cross bar is connected to the longitudinal connecting rod, and the cross bar and the longitudinal connecting rod are in an N-shaped structure, and the two cross bars are respectively provided with a guide hole and a threaded hole at one end close to the instrument housing.

[0010] Furthermore, a vertical guide rod is connected to the rear side wall of the heat dissipation box, and the guide rod is slidably inserted in the guide hole, and the lead screw is screwed in the threaded hole.

[0011] Furthermore, the side of the brush plate facing the filter is set as an arc surface structure, and bristles are arranged on the arc surface, and a sliding rod is slidably inserted into the outer end of the brush plate, and the outer end of the sliding rod is fixedly connected to the connecting block connected to the lower end of the longitudinal connecting rod.

[0012] The beneficial effects of the utility model are:

[0013] 1. When in use, first start the electric push rod to push the dust plate downward from the storage slot plate, and then pass through the slot to be placed in the inner cavity of the heat sink, and then start the motor, the motor drives the screw rod to rotate, and then drives the cross bar and the longitudinal connecting rod to move upward, and at the same time drives the brush plate to move upward against the outer wall of the filter, so that the brush plate cleans the dust on the surface of the filter during the movement, and the brush plate shrinks outward during the movement. At this time, the dust on the outside of the filter falls directly downward into the dust box, and the dust on the inside of the filter is blocked by the dust plate, and then open the sealing cover plate and pull out the sealing plate, so that the dust on the inside is released from the dust removal hole and also falls into the dust box, thereby achieving the effect of automatic cleaning, which is more convenient;

[0014] 2. The dust box set at the bottom of the heat sink allows the dust on the outside of the filter to fall directly into the dust box during cleaning, avoiding secondary pollution to the ground. At the same time, the dustproof plate is inserted into the heat sink to effectively prevent dust from entering the instrument during cleaning, thereby avoiding secondary pollution to the inside of the equipment, thereby ensuring the cleanliness of the equipment and facilitating the improvement of the accuracy of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the sealing assembly and the heat dissipation box of an embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the heat dissipation box according to an embodiment of the utility model.

[0018] Figure 4 This is a schematic diagram of the cleaning component structure of an embodiment of the utility model.

[0019] In the figure: 1. Instrument housing; 2. Sealing assembly; 21. Electric push rod; 22. Storage slot plate; 23. Dustproof plate; 3. Heat sink; 31. Slot; 32. Inner cavity; 33. Filter; 34. Dust removal hole; 35. Sealing cover; 4. Cleaning assembly; 41. Motor; 42. Screw rod; 43. Cross bar; 431. Guide hole; 432. Threaded hole; 44. Longitudinal connecting rod; 45. Connecting block; 46. Sliding rod; 47. Brush plate; 5. Dust collection box. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4As shown, the utility model provides a high performance liquid chromatography purification instrument, including: an instrument housing 1, a sealing component 2, a heat sink 3 and a cleaning component 4, the sealing component 2, the heat sink 3 and the cleaning component 4 are respectively arranged on the outer walls of both sides of the instrument housing 1, and a dust box 5 is provided on the lower side of the heat sink 3, the sealing component 2 includes an electric push rod 21 fixed to the outer wall of the instrument housing 1, and the lower end of the electric push rod 21 is connected to a dustproof plate 23, the heat sink 3 is provided with an inner cavity 32, and the outer side of the inner cavity 32 is provided with a filter screen 33, the cleaning component 4 includes a motor 41 fixed to the front side wall of the heat sink 3, and the upper end of the motor 41 is connected to a screw rod 42, and the outer side of the screw rod 42 is connected to a cross bar 43, and the lower side of the cross bar 43 is provided with a brush plate 47.

[0021] In this embodiment, the instrument housing 1, the sealing assembly 2, the heat dissipation box 3 and the cleaning assembly 4 constitute the main structure of the high performance liquid chromatography purification instrument involved in this application.

[0022] Specifically, the instrument housing 1 is configured as a housing of a high performance liquid chromatography purifier in the prior art, and the internal structure is consistent with that of a high performance liquid chromatography purifier in the prior art.

[0023] Specifically, the dustproof plate 23 is made of nanometer material with a smooth surface, so as to have a dust-proof effect.

[0024] like Figure 2 and Figure 3 As shown, a storage slot plate 22 is provided on the outside of the dustproof plate 23, and the storage slot plate 22 is fixed on the upper side of the slot 31 opened on the top of the heat dissipation box 3, and the dustproof plate 23 is slidably inserted in the cavity opened inside the storage slot plate 22, the heat dissipation box 3 is fixed on the outside of the heat dissipation hole opened on the side wall of the instrument housing 1, and the heat dissipation box 3 is set to a right-angled trapezoidal structure that is wide at the top and narrow at the bottom, and the filter screen 33 is set on the hypotenuse of the right-angled trapezoid, a dust removal hole 34 is opened at the bottom of the inner cavity 32 of the heat dissipation box 3, and a sealing plate is slidably inserted inside the dust removal hole 34, and a sealing cover 35 is connected to the front end of the sealing plate.

[0025] Specifically, when the dustproof plate 23 is inserted into the inner cavity 32 , it is located on the side of the dust removal hole 34 facing the heat dissipation hole of the instrument housing 1 itself, that is, the dust removal hole 34 is located between the dustproof plate 23 and the filter 33 .

[0026] As a preferred embodiment, by providing an inclined filter screen 33, with the outer side surface of the filter screen 33 facing downwardly to the upper port of the dust collecting box 5, dust can easily fall downwards during cleaning.

[0027] Specifically, the sealing plate is set as a T-shaped plate structure, and its upper end is clamped on the upper side of the connection between the dust removal hole 34 and the inner cavity 32, and the bottom of the dust removal hole 34 is set as an open mouth, and the front side port of the dust removal hole 34 is provided with a T-shaped slot corresponding to the sealing plate.

[0028] like Figure 1 and Figure 4 As shown, the outer end of the cross bar 43 is connected to the longitudinal connecting rod 44, and the cross bar 43 and the longitudinal connecting rod 44 are in an N-shaped structure, and the two cross bars 43 are respectively provided with a guide hole 431 and a threaded hole 432 at one end close to the instrument housing 1, the rear side wall of the heat sink 3 is connected to a vertical guide rod, and the guide rod is slidably inserted in the guide hole 431, and the screw rod 42 is screwed in the threaded hole 432, the side of the brush plate 47 facing the filter screen 33 is set as an arc surface structure, and bristles are provided on the arc surface, and the outer end of the brush plate 47 is slidably inserted with a slide rod 46, and the outer end of the slide rod 46 is fixedly connected to the connecting block 45 connected to the lower end of the longitudinal connecting rod 44.

[0029] Specifically, an elastic sliding hole is provided inside the brush plate 47, a spring and a slider are provided inside the sliding hole, and one end of the sliding rod 46 is inserted into the sliding hole and connected to the slider, that is, the sliding rod 46 and the brush plate 47 are elastically slidably connected, thereby achieving elastic contact between one end of the curved surface of the brush plate 47 and the filter screen 33.

[0030] When in use, first start the electric push rod to push the dustproof plate downward from the storage slot plate, and then pass it through the slot and place it in the inner cavity of the heat sink, then start the motor, the motor drives the screw rod to rotate, and then drives the cross bar and the longitudinal connecting rod to move upward, and at the same time drives the brush plate to move upward against the outer wall of the filter, so that the brush plate cleans the dust on the surface of the filter during the movement, and the brush plate shrinks outward during the movement. At this time, the dust on the outside of the filter falls directly into the dust collecting box, and the dust on the inside of the filter is blocked by the dustproof plate. Then open the sealing cover and pull out the sealing plate, so that the dust on the inside is released from the dust removal hole and also falls into the dust collecting box, thereby achieving the effect of automatic cleaning, which is more convenient.

[0031] The high-performance liquid chromatography purifier of the utility model can effectively solve the problems of the existing high-performance liquid chromatography purifier, such as the troublesome cleaning process of the heat dissipation holes and the easy secondary pollution of the ground and the inside of the equipment. It realizes the automatic cleaning process of the heat dissipation holes on the basis of the existing high-performance liquid chromatography purifier technology, and is convenient for collecting dust, thus avoiding secondary pollution of the ground and the equipment.

Claims

1. A high performance liquid chromatography purification instrument, comprising: An instrument housing (1), a sealing component (2), a heat sink (3) and a cleaning component (4), characterized in that the sealing component (2), the heat sink (3) and the cleaning component (4) are respectively arranged on the outer walls of both sides of the instrument housing (1), and a dust collecting box (5) is arranged on the lower side of the heat sink (3); the sealing component (2) comprises an electric push rod (21) fixed to the outer wall of the instrument housing (1), and the lower end of the electric push rod (21) is connected to a dustproof plate (23); the heat sink (3) has an inner cavity (32) inside, and a filter screen (33) is arranged on the outer side of the inner cavity (32); the cleaning component (4) comprises a motor (41) fixed to the front side wall of the heat sink (3), and the upper end of the motor (41) is connected to a screw rod (42), and the outer side of the screw rod (42) is connected to a cross bar (43), and a brush plate (47) is arranged on the lower side of the cross bar (43).

2. A high performance liquid chromatography purification instrument according to claim 1, characterized in that: A receiving slot plate (22) is provided on the outside of the dustproof plate (23), and the receiving slot plate (22) is fixed on the upper side of a slot (31) opened on the top of the heat dissipation box (3), and the dustproof plate (23) is slidably inserted into a cavity opened inside the receiving slot plate (22).

3. A high performance liquid chromatography purification instrument according to claim 1, characterized in that: The heat dissipation box (3) is fixed to the outside of the heat dissipation hole opened on the side wall of the instrument housing (1), and the heat dissipation box (3) is configured as a right-angled trapezoidal structure that is wide at the top and narrow at the bottom, and the filter screen (33) is arranged on the hypotenuse of the right-angled trapezoid.

4. A high performance liquid chromatography purifier according to claim 1, characterized in that: A dust removal hole (34) is provided at the bottom of the inner cavity (32) of the heat dissipation box (3), a sealing plate is slidably inserted into the interior of the dust removal hole (34), and a sealing cover (35) is connected to the front end of the sealing plate.

5. A high performance liquid chromatography purification instrument according to claim 1, characterized in that: The outer end of the cross bar (43) is connected to a longitudinal connecting rod (44), and the cross bar (43) and the longitudinal connecting rod (44) are in an N-shaped structure. The two cross bars (43) are respectively provided with a guide hole (431) and a threaded hole (432) at one end close to the instrument housing (1).

6. A high performance liquid chromatography purifier according to claim 1, characterized in that: A vertical guide rod is connected to the rear side wall of the heat dissipation box (3), and the guide rod is slidably inserted into the guide hole (431), while the screw rod (42) is screwed into the threaded hole (432).

7. A high performance liquid chromatography purifier according to claim 1, characterized in that: The side of the brush plate (47) facing the filter screen (33) is configured as an arc-shaped surface structure, and bristles are provided on the arc-shaped surface. A sliding rod (46) is slidably inserted into the outer end of the brush plate (47), and the outer end of the sliding rod (46) is fixedly connected to a connecting block (45) connected to the lower end of the longitudinal connecting rod (44).

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