Liquid chromatograph safety protection device

Abstract

The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatograph safety protection device which comprises a box body and a chromatograph body, and a box door is hinged to one side of the front end of the box body. By arranging the positioning mechanism, the device can efficiently and stably fix a solution bottle, a second motor drives a second lead screw to rotate, so that a sliding block stably slides in a sliding groove in a reciprocating mode, the position of a positioning plate is flexibly adjusted, the positioning plate is matched with an isosceles triangle containing groove, stable installation can be achieved, and the solution bottle is prevented from toppling over; meanwhile, the device is suitable for solution bottles of different sizes, the solution bottle fixing capacity is greatly improved through the design, the adaptability is higher, the stability is enhanced through the arrangement of a positioning spring, the solution bottles are prevented from being damaged in the transportation process, the use safety is improved, and on the whole, efficient, stable and safe positioning of the solution bottles is achieved through the positioning mechanism; and the protection performance is improved.

Description

Technical Field

[0001] The present application relates to the technical field of liquid chromatographs, and in particular to a safety protection device for liquid chromatographs. Background Art

[0002] At present, liquid chromatography is an important analytical instrument, widely used in biochemistry, food analysis, medical research, environmental analysis, inorganic analysis and other fields. It mainly uses the difference in the distribution ratio of the mixture between liquid-solid or two immiscible liquids to separate the mixture, and then analyze and identify it. The liquid chromatograph is mainly composed of an injection system, a high-pressure infusion pump, a temperature control system, a chromatographic column, a detector and a signal recording system. Its working principle mainly includes two physical and chemical effects: distribution and adsorption. After the sample enters the chromatographic column, the distribution coefficients of different components between the mobile phase and the stationary phase are different, so different degrees of separation will occur between the two phases. At the same time, the adsorbent on the surface of the stationary phase will adsorb the sample molecules to further promote separation. The separated sample components pass through the detector in turn. The detector converts the signal into an electrical signal and performs data processing and analysis through a computer system.

[0003] Through searching, Chinese patent announcement number CN219565945U discloses a safety protection device for a high performance liquid chromatograph, which includes a liquid loading tray and an operation panel, wherein a limiting mechanism is arranged inside the liquid loading tray, a first clamping block is arranged on the rear side of the limiting mechanism, and a rotating rod is arranged on the top of the first clamping block; the limiting mechanism includes a first clamping plate, two protective blocks and a second clamping plate, and the two protective blocks are fixedly connected to the first clamping plate and the second clamping plate on one side close to the first clamping plate and the second clamping plate, respectively, so as to solve the problem that the liquid loading tray on the top of the existing high performance liquid chromatograph is an open tray structure and does not have a limiting structure, and when a bottle containing a solution to be tested is placed inside the liquid loading tray, it cannot be limited. When the staff accidentally touches the solution bottle during the use of the high performance liquid chromatograph, the solution bottle will be tipped over or even the solution will be spilled, affecting the work efficiency and thus affecting the use effect.

[0004] With respect to the above-mentioned related technologies, the utility model inventor found the following defects:

[0005] Although the above-mentioned device can assist in limiting the position of the solution bottle during use, during its specific use, the liquid chromatograph as a whole does not have anti-collision properties. If a collision occurs, its internal precision components will be damaged, which will not only affect the use of the instrument, but also consume the company's maintenance funds. Moreover, it is obviously inconvenient to carry and use flexibly, and its overall protective performance is poor. At the same time, the overall solution bottle positioning of the solution bottle limiting structure on the top can only position a single group of arranged liquid storage bottles. When the number of solution bottles is large, it is obviously inconvenient to position and use, so it needs to be improved. Utility Model Content

[0006] In order to improve the overall protection performance of the device, the present application provides a liquid chromatograph safety protection device.

[0007] The present application provides a liquid chromatograph safety protection device, which adopts the following technical solution: comprising a box body and a chromatograph body, a box door is hingedly installed on one side of the front end of the box body, a driving mechanism is fixedly installed on the lower end of the box body, a mounting mechanism is fixedly installed on the top of the driving mechanism, the chromatograph body is mounted on the top of the driving mechanism through the mounting mechanism, a buffer mechanism is fixedly installed on the bottom of the box body, a positioning mechanism is fixedly installed on the top of the chromatograph body, and a solution bottle is installed on the top of the chromatograph body through the positioning mechanism;

[0008] The driving mechanism includes a bottom rail and a first motor. The bottom rail is fixedly installed in the middle of the bottom of the box body. The inside of the bottom rail is rotatably connected to a first screw rod. The first motor is fixedly installed in the middle of the lower end of the rear side of the box body. The output end of the first motor is fixedly connected to the first screw rod. The outer surface of the first screw rod is threadedly connected to a sliding rod. The top of the sliding rod is fixedly connected to the bottom of the mounting mechanism.

[0009] Optionally, the mounting mechanism includes a base plate and a limit assembly, the base plate is fixedly mounted on the top of the slide rod, side rails are fixedly mounted on both sides of the top of the base plate, a slide plate is slidably connected inside the side rails, the inner side of the slide plate is fixedly connected to the lower ends of both sides of the chromatograph body, and the limit assembly is fixedly mounted on the lower end of the front side of the chromatograph body.

[0010] Optionally, support blocks are fixedly installed on both sides of the bottom of the base plate, and the bottom of the support block is rotatably connected to a ball bearing, and the bottom of the ball bearing is fitted and connected to the bottom of the box body.

[0011] Optionally, the limit assembly includes a front plate and a limit groove, the front plate is fixedly installed on the lower end of the front side of the chromatograph body, a concave seat is fixedly installed on the top of the front plate, a limit spring is fixedly installed on the inner side of the concave seat, a limit block is fixedly installed on the bottom of the limit spring, the limit groove is opened in the middle of the top front end of the substrate, a limit column is fixedly installed on the bottom of the limit block, and the bottom of the limit column is inserted into the inner side of the limit groove.

[0012] Optionally, a connecting shaft is fixedly installed on the top of the limiting column, and an adjustable armrest is fixedly installed on the top of the connecting shaft passing through the concave seat.

[0013] Optionally, the buffer mechanism includes a support and an articulated seat, the support is fixedly installed at both ends of one side of the bottom of the chassis, the articulated seat is fixedly installed at the other end of the bottom of the chassis, the bottom of the articulated seat is hinged with a buffer assembly, and the inner side of the support is rotatably connected to a walking wheel.

[0014] Optionally, the buffer assembly includes buffer springs, and the buffer springs are fixedly installed at the bottom of the hinge seat at equal intervals, and an anti-slip support plate is fixedly installed at the bottom of the buffer spring.

[0015] Optionally, dampers are fixedly installed at equal intervals on the top of the anti-skid support plate, anti-skid protrusions are fixedly connected at equal intervals on the bottom of the anti-skid support plate, and the buffer springs are all sleeved on the outside of the dampers.

[0016] Optionally, the positioning mechanism includes a square groove, which is opened on the top of the chromatograph body, and receiving grooves are opened at equal intervals on both sides of the square groove. The cross-sectional shape of the receiving groove is triangular, and a positioning assembly is fixedly installed at the inner rear end of the square groove, and the solution bottle is arranged in the receiving groove and between the positioning assembly.

[0017] Optionally, the positioning assembly includes a slide slot and a second motor, the second motor is fixedly mounted on an upper end of one side of the chromatograph body, the slide slot is opened at the rear end of the square slot, the interior of the slide slot is rotatably connected with a second screw rod, the output end of the second motor is fixedly connected with one end of the second screw rod, the threads at both ends of the second screw rod are rotated in opposite directions, both ends of the second screw rod are threadedly connected with sliding blocks, a limiting rod is fixedly mounted on the front side of the sliding block, positioning springs are fixedly mounted at equal intervals on the outside of the limiting rod, a positioning plate is fixedly mounted on the outer end of the positioning spring, and the solution bottle is arranged between the positioning plate and the inner side of the accommodating slot.

[0018] In summary, this application includes the following beneficial technical effects:

[0019] 1. By setting a driving mechanism, the device can conveniently control the placement and disassembly of the chromatograph body. After starting the first motor, the first screw rotates to drive the sliding rod to slide in the bottom rail to achieve rapid displacement of the chromatograph body in the box. When disassembly is required, the connecting shaft is pulled by adjusting the armrest to separate the limit column from the limit groove, and the chromatograph body can be easily removed from the base plate. During installation, the slide plate is slidably engaged with the side rail, and the limit spring drives the limit column to insert into the limit groove to achieve stable clamping. The support block and ball bearing design reduce friction to ensure stable sliding of the chromatograph body. These designs improve the operating convenience and stability of the device and greatly facilitate use.

[0020] 2. By setting up a buffer mechanism, the device can use buffer springs and dampers to effectively buffer vibrations and enhance stability when placed on the ground or transported. When encountering bumps, the buffer springs and dampers work together to ensure the stability of the device through the design of the hinged seat and the walking wheels. When it needs to be moved, simply adjust the inclination of the box and it can be easily moved through the walking wheels. At the same time, the anti-slip support plate design ensures stability. During the whole process, the chromatograph body is always safely placed in the box to provide all-round protection. This design not only enhances the buffering and protection function of the device, but also improves its flexibility and stability, thereby extending the service life of the device.

[0021] 3. By setting up the positioning mechanism, the device realizes efficient positioning and fixation of the solution bottle. By starting the second motor, the second screw is driven to rotate, which in turn drives the sliding block to slide back and forth stably in the slide groove, so as to flexibly adjust the position of the positioning plate. The positioning plate cooperates with the isosceles triangle accommodating groove, which can stably install solution bottles of different sizes and prevent them from tipping over. This design not only improves the adaptability of the solution bottle positioning, but also increases the fixing capacity by three times compared with the prior art. At the same time, the addition of the positioning spring enhances the stability of the positioning plate, effectively buffers the impact during transportation, and reduces the risk of damage to the solution bottle. On the whole, the device realizes rapid, stable and safe positioning of the solution bottle through the positioning mechanism, improves the safety of use, and enhances the overall protection performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application;

[0023] Figure 2 is a schematic diagram of the structure viewed from above in an embodiment of the present application;

[0024] Figure 3 It is a schematic diagram of the structure inside the chassis in an embodiment of the present application;

[0025] Figure 4 It is a schematic diagram of the structure of the driving mechanism in the embodiment of the present application;

[0026] Figure 5 is a structural schematic diagram of the driving mechanism in the deployed state in the embodiment of the present application;

[0027] Figure 6 is a schematic diagram of the structure of the positioning mechanism in the embodiment of the present application from a top view;

[0028] Figure 7 It is a structural schematic diagram of the chromatograph body and the mounting mechanism in the embodiment of the present application;

[0029] Figure 8 It is a structural schematic diagram of the chromatograph body and the mounting mechanism in the unfolded state in the embodiment of the present application;

[0030] Fig. 9 In the embodiment of this application Figure 7 A is an enlarged structural diagram of FIG.

[0031] Figure numerals: 1, box; 2, chromatograph body; 3, box door; 4, driving mechanism; 41, bottom rail; 42, first motor; 43, first screw rod; 44, slide rod; 5, mounting mechanism; 51, base plate; 52, limit assembly; 521, front plate; 522, limit groove; 523, concave seat; 524, limit spring; 525, limit block; 526, limit column; 527, connecting shaft; 528, adjusting armrest; 53, side rail; 54, slide plate; 55, support block; 56 , ball; 6, buffer mechanism; 61, support; 62, hinged seat; 63, buffer assembly; 631, buffer spring; 632, anti-skid support plate; 633, damper; 64, walking wheel; 65, anti-skid protrusion; 7, positioning mechanism; 71, square groove; 72, receiving groove; 73, positioning assembly; 731, slide groove; 732, second motor; 733, second screw rod; 734, sliding block; 735, limit rod; 736, positioning spring; 737, positioning plate; 8, solution bottle. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-9 This application is described in further detail.

[0033] The present application discloses a liquid chromatograph safety protection device. Figure 1 As shown, it comprises a box body 1 and a chromatograph body 2, a box door 3 is hingedly installed on one side of the front end of the box body 1, a driving mechanism 4 is fixedly installed on the lower end of the box body 1, a mounting mechanism 5 is fixedly installed on the top of the driving mechanism 4, the chromatograph body 2 is mounted on the top of the driving mechanism 4 through the mounting mechanism 5, a buffer mechanism 6 is fixedly installed on the bottom of the box body 1, a positioning mechanism 7 is fixedly installed on the top of the chromatograph body 2, a solution bottle 8 is installed on the top of the chromatograph body 2 through the positioning mechanism 7, and a luggage draw rod is fixedly installed on one side of the adaptable box body 1. By setting the luggage draw rod, the length of the luggage draw rod can be flexibly adjusted during use, so that the device can be flexibly carried and convenient for transportation and use;

[0034] The driving mechanism 4 includes a bottom rail 41 and a first motor 42. The bottom rail 41 is fixedly installed in the middle of the bottom of the box body 1. The bottom rail 41 is rotatably connected to a first screw rod 43. The first motor 42 is fixedly installed in the middle of the lower end of the rear side of the box body 1. The output end of the first motor 42 is fixedly connected to the first screw rod 43. The outer surface of the first screw rod 43 is threadedly connected to a slide rod 44. The top of the slide rod 44 is fixedly connected to the bottom of the mounting mechanism 5. A door 3 is hinged on one side of the front end of the box body 1 for easy opening and closing. A driving mechanism 4 is fixedly installed at the lower end of the box body 1 for driving the movement of the chromatograph body 2. A mounting mechanism 5 is fixedly installed on the top of the driving mechanism 4. The chromatograph body 2 is mounted on the top of the driving mechanism 4 through the mounting mechanism 5. A buffer mechanism 6 is fixedly installed at the bottom of the box body 1 to provide stability and protection functions. A positioning mechanism 7 is fixedly installed on the top of the chromatograph body 2 for positioning and fixing the solution bottle 8. The driving mechanism 4 is specifically composed of a bottom rail 41 and a first motor 42. The bottom rail 41 is fixed The first motor 42 is fixedly installed in the middle of the inner bottom of the box body 1 as a track for the sliding rod 44 to slide. The first screw rod 43 is rotatably connected inside the bottom rail 41. The first motor 42 is fixedly installed in the middle of the lower end of the inner rear side of the box body 1, and its output end is fixedly connected to the first screw rod 43. When the first motor 42 is running, it will drive the first screw rod 43 to rotate. The outer surface of the first screw rod 43 is threadedly connected with the sliding rod 44. The top of the sliding rod 44 is fixedly connected to the bottom of the mounting mechanism 5. Therefore, when the first screw rod 43 rotates, the sliding rod 44 will slide inside the bottom rail 41, thereby driving the mounting mechanism 5 and the chromatograph body 2 to move forward and backward in the box body 1. This design makes it easy to take out and put into the box body 1, and it is also convenient to move the chromatograph body 2 when needed. The presence of the buffer mechanism 6 enhances the stability of the device during transportation or placement, reduces the impact of vibration on the chromatograph body 2 and the solution bottle 8, and the positioning mechanism 7 ensures the stable installation of the solution bottle 8 to prevent it from tipping over or moving during transportation.

[0035] Please refer to Figure 5The mounting mechanism 5 includes a base plate 51 and a limiting assembly 52. ​​The base plate 51 is fixedly mounted on the top of the slide bar 44. Side rails 53 are fixedly mounted on both sides of the top of the base plate 51. A slide plate 54 is slidably connected inside the side rails 53. The inner side of the slide plate 54 is fixedly connected to the lower ends of both sides of the chromatograph body 2. The limiting assembly 52 is fixedly mounted on the lower front end of the chromatograph body 2. The base plate 51 is firmly mounted on the top of the slide bar 44 as a supporting platform for the chromatograph body 2. Side rails 53 are fixedly mounted on both sides of the top of the base plate 51. They provide guidance and stability for the installation of the chromatograph body 2. The inner side of the side rail 53 is designed with a sliding connection structure so that the slide plate 54 can slide smoothly therein. The inner side of the slide plate 54 is fixedly connected to the lower ends of both sides of the chromatograph body 2. The limiting component 52 is fixedly installed at the lower front end of the chromatograph body 2 to limit the movement range of the chromatograph body 2 on the substrate 51. The precise design and installation of the limiting component 52 can ensure that the chromatograph body 2 will not fall off or shift during the movement, thereby further enhancing the stability and safety of the device. The design of the mounting mechanism 5 fully considers the installation stability and mobility of the chromatograph body 2. The coordinated work of the substrate 51, the side rails 53, the slide plate 54 and the limiting component 52 not only realizes the rapid installation and disassembly of the chromatograph body 2, but also ensures its stability and safety during use, thereby providing a strong guarantee for the safe use of the liquid chromatograph.

[0036] Please refer to Figure 5The limiting assembly 52 includes a front plate 521 and a limiting groove 522. The front plate 521 is fixedly installed at the lower front end of the chromatograph body 2. A concave seat 523 is fixedly installed on the top of the front plate 521. A limiting spring 524 is fixedly installed on the inner side of the concave seat 523. A limiting block 525 is fixedly installed on the bottom of the limiting spring 524. The limiting groove 522 is opened in the middle of the top front end of the base plate 51. A limiting column 526 is fixedly installed on the bottom of the limiting block 525. The bottom of the limiting column 526 is plugged into the limiting groove 52 2, the front plate 521 is firmly fixedly installed at the lower end of the front face of the chromatograph body 2, as an interface for connecting with the mounting mechanism 5, at the top of the front plate 521, a concave seat 523 is fixedly installed, and the concave seat 523 provides a space for installing a limit spring 524, and the limit spring 524 is placed on the inner side of the concave seat 523 and fixedly installed, and the bottom of the spring is connected to a limit block 525 for providing necessary support and buffering when needed. At the same time, the limit slot 522 is opened A precise plug-in position is provided in the middle of the top front end of the substrate 51, and a limiting column 526 is fixedly installed at the bottom of the limiting spring 524. The limiting column 526 will be inserted into the limiting groove 522 during the movement. When the chromatograph body 2 moves in the box body 1 along with the mounting mechanism 5, the limiting column 526 will slide in the limiting groove 522 to ensure that the chromatograph body 2 maintains the correct position and direction on the substrate 51. This design makes the chromatograph body 2 more stable during the movement and avoids displacement or falling off due to vibration or improper operation. At the same time, the buffering effect of the limiting spring 524 can also effectively reduce the risk of damage caused by impact, thereby improving the safety and reliability of the entire device. In general, the limiting assembly 52 ensures the stability and safety of the chromatograph body 2 during the movement through the coordinated work of the front plate 521, the limiting groove 522, the concave seat 523, the limiting spring 524, the limiting block 525 and the limiting column 526, thereby providing a strong guarantee for the safe use of the liquid chromatograph.

[0037] Please refer to Figure 4The bottom of the support block 55 is rotatably connected to the bottom of the support block 55, and the bottom of the ball 56 is closely connected to the bottom of the box body 1. The support blocks 55 are fixedly installed on both sides of the bottom of the substrate 51. These support blocks 55 not only support the substrate 51, but also enhance the connection stability between the substrate 51 and the box body 1. At the bottom of the support block 55, a ball 56 is rotatably connected. These ball 56 can roll freely, and their bottoms are closely connected to the inner bottom of the box body 1. When the driving mechanism 4 drives the slide bar 44 to slide on the bottom rail 41, the substrate 51, the support block 55 and the ball 56 connected thereto will also move accordingly. Since the ball 56 is closely connected to the bottom of the box body 1, they can reduce the friction resistance of the substrate 51 during movement, making the movement of the entire installation mechanism 5 and the chromatograph body 2 smoother and more efficient. This design not only reduces the energy consumption of the device during movement, but also extends the service life of each component.

[0038] Please refer to Figure 5 The top of the limiting column 526 is fixedly installed with a connecting shaft 527, and the top of the connecting shaft 527 passes through the concave seat 523 and is fixedly installed with an adjusting armrest 528. The top of the limiting column 526 is further fixedly installed with a connecting shaft 527. This design not only strengthens the connection stability between the limiting column 526 and the upper component, but also provides convenience for the subsequent installation of components. The top of the connecting shaft 527 passes through the concave seat 523. Such a structural design enables the connecting shaft 527 to be firmly fixed in the concave seat 523, ensuring the structural strength and stability of the entire limiting assembly 52. ​​At the top of the connecting shaft 527, an adjusting armrest 528 is fixedly installed. The design of the adjusting armrest 528 enables the operator to conveniently adjust the limiting assembly 5 2 is adjusted and operated. By adjusting the armrest 528, the operator can easily control the insertion depth of the limit column 526 in the limit groove 522, thereby realizing accurate control of the moving range of the chromatograph body 2 on the substrate 51. This design not only improves the convenience of operation, but also enhances the adjustability of the device, so that the operator can flexibly adjust the position of the chromatograph body 2 according to actual needs. By adding the connecting shaft 527 and the adjusting armrest 528, the function of the limit assembly 52 is further improved and enhanced, which not only enhances the structural stability and operation convenience of the device, but also provides the operator with more flexible and accurate control means, further improving the performance and practicality of the liquid chromatograph safety protection device.

[0039] Please refer to Figure 2The buffer assembly 63 includes a buffer spring 631, which is fixedly installed at the bottom of the hinge seat 62 at equal intervals. The bottom of the buffer spring 631 is fixedly installed with an anti-skid support plate 632. The buffer spring 631 is fixedly installed at the bottom of the hinge seat 62 at equal intervals. This design enables the buffer spring 631 to evenly disperse the impact force and improve the buffering effect. When the device is subjected to external vibration or impact force, the buffer spring 631 can quickly compress and recover, absorb and disperse these forces, thereby reducing damage to the internal equipment of the chassis. At the bottom of the buffer spring 631, an anti-skid support plate 632 is fixedly installed. Support plate 632, the anti-skid support plate 632 not only increases the contact area between the buffer component 63 and the ground and improves stability, but also adopts an anti-skid design to ensure that the device is not easy to slide or tip over during placement or movement. This design further enhances the overall stability and safety of the device. Through the coordinated work of the buffer spring 631 and the anti-skid support plate 632, the buffer component 63 can effectively absorb and disperse external impact forces to prevent the device from being damaged during transportation or placement. At the same time, the design of the anti-skid support plate 632 also enhances the stability between the device and the ground and improves safety of use.

[0040] Please refer to Figure 1 The buffer mechanism 6 includes a support 61 and an articulated seat 62. The support 61 is fixedly mounted at both ends of one side of the bottom of the chassis, and the articulated seat 62 is fixedly mounted at the other end of the bottom of the chassis. The bottom of the articulated seat 62 is hinged with a buffer assembly 63, and the inner side of the support 61 is rotatably connected with a walking wheel 64. The support 61 is firmly fixedly mounted at both ends of one side of the bottom of the chassis as a support and stable basis, and the articulated seat 62 is fixedly mounted at the other end of the bottom of the chassis. It provides a hinge point so that the buffer assembly 63 can flexibly rotate and adapt to different ground conditions. The bottom of the buffer assembly 63 is hinged with the articulated seat 62. This design enables the buffer assembly 63 to swing and adjust as needed to adapt to uneven ground or In response to external impact forces, the buffer assembly 63 itself can absorb and disperse vibrations and impact forces, reducing their impact on the internal equipment of the chassis. In addition, the inner side of the support 61 is rotatably connected to the running wheels 64. These running wheels 64 not only facilitate the movement and transportation of the entire device, but also provide certain support and stability when the device is placed. The design of the running wheels 64 allows the device to be easily moved to the desired position, and also facilitates the transfer between different working environments. The buffer mechanism 6 achieves stable support and vibration reduction for the device during transportation and placement through the coordinated work of the support 61, the articulated seat 62 and the buffer assembly 63, as well as the auxiliary role of the running wheels 64, thereby improving the overall stability and safety of the device.

[0041] Please refer to Figure 2The top of the anti-skid support plate 632 is fixedly installed with dampers 633 at equal intervals, and the bottom of the anti-skid support plate 632 is fixedly connected with anti-skid protrusions 65 at equal intervals. The buffer springs 631 are all sleeved on the outside of the dampers 633. On the top of the anti-skid support plate 632, dampers 633 are fixedly installed at equal intervals. These dampers 633 can generate a certain resistance through the damping material or structure inside when the device is impacted or vibrated, thereby slowing down the transmission speed of the impact force and vibration, and further protecting the safety of the equipment inside the chassis. At the same time, at the bottom of the anti-skid support plate 632, The ground is fixedly connected with anti-skid protrusions 65, which can increase the friction between the anti-skid support plate 632 and the ground, preventing the device from sliding or tipping over during placement or movement, especially on slippery or uneven ground. The effect of the anti-skid protrusions 65 is more obvious, ensuring that the device is stably placed and transported. Through the damper 633 installed on the top and the anti-skid protrusions 65 set on the bottom, the anti-skid support plate 632 not only provides good anti-skid performance, but also further enhances the shock and vibration absorption capacity of the buffer component 63, thereby improving the safety and stability of the entire device.

[0042] Please refer to Figure 7The positioning assembly 73 includes a slide groove 731 and a second motor 732. The second motor 732 is fixedly installed on the upper end of one side of the chromatograph body 2. The slide groove 731 is opened at the rear end of the square groove 71. The second screw rod 733 is rotatably connected inside the slide groove 731. The output end of the second motor 732 is fixedly connected to one end of the second screw rod 733. The two ends of the second screw rod 733 have opposite thread rotation directions. Both ends of the second screw rod 733 are threadedly connected with a sliding block 734. A limiting rod 735 is fixedly installed on the front of the sliding block 734. Positioning springs 736 are fixedly installed at equal intervals on the outer side of the limiting rod 735. The outer end of the positioning spring 736 is fixedly installed with a positioning plate 737 The solution bottle 8 is arranged between the positioning plate 737 and the inner side of the receiving groove 72. The second motor 732 is fixedly installed on the upper end of one side of the chromatograph body 2 as the power source of the positioning assembly 73. When the motor is started, it can drive the second screw rod 733 to rotate through the output end. The slide groove 731 is opened at the rear end of the square groove 71, providing a motion track for the second screw rod 733 and its accessories. The second screw rod 733 is rotatably connected to the inside of the slide groove 731, and the threads at both ends are designed to rotate in opposite directions. When the screw rod rotates, due to the opposite rotation directions of the threads at both ends, the sliding blocks 734 at both ends will move inward or outward along the screw rod at the same time, thereby achieving synchronization and opposite directions. The front side of the sliding block 734 is fixed with a limiting rod 735, which not only limits the moving direction of the sliding block 734, but also serves as a supporting structure for the positioning springs 736 and the positioning plates 737. The positioning springs 736 are fixedly installed at equal intervals on the outside of the limiting rods 735. Their function is to provide elastic force to ensure that the positioning plates 737 can fit the solution bottle 8 tightly and can adapt to solution bottles 8 of different sizes. The positioning plates 737 are key components of the positioning assembly 73. They are fixedly installed at the outer ends of the positioning springs 736. When the sliding block 734 moves, the positioning plates 737 will also move accordingly. The elastic force of the second motor 732 tightly clamps the solution bottle 8, so that the solution bottle 8 is stably positioned between the positioning plate 737 and the inner side of the accommodating groove 72 to prevent it from shaking or tipping over. The positioning assembly 73 is driven by the second motor 732, the rotational movement of the second screw rod 733, the movement of the sliding block 734, and the elastic clamping action of the positioning spring 736 and the positioning plate 737, thereby achieving accurate and stable positioning of the solution bottle 8 on the top of the chromatograph body 2. This design not only improves the overall stability of the device, but also ensures the safety of the solution bottle 8 during use. At the same time, multiple groups of solution bottles 8 can be positioned at one time, which can improve the overall positioning effect of the device.

[0043] Please refer to Figure 7The positioning mechanism 7 includes a square groove 71, which is opened at the top of the chromatograph body 2. Receiving grooves 72 are opened at equal intervals on both sides of the square groove 71. The cross-sectional shape of the receiving groove 72 is triangular. A positioning component 73 is fixedly installed at the inner rear end of the square groove 71. The solution bottle 8 is arranged in the receiving groove 72 and between the positioning component 73. The square groove 71 is opened at the top of the chromatograph body 2 to provide an installation space for placing the solution bottle 8. The design of the square groove 71 enables the solution bottle 8 to be firmly placed on the chromatograph body 2 to avoid movement or tipping during transportation or use. On both sides of the square groove 71, a plurality of receiving grooves 72 are opened at equal intervals. The cross-sectional shape of these receiving grooves 72 is triangular. This design not only increases the structural strength of the receiving groove 72, but also enables the solution bottle 8 to be more firmly positioned when inserted.

[0044] The implementation principle of a liquid chromatograph safety protection device in the embodiment of the present application is as follows: by setting a driving mechanism 4, the device can be operated by starting the first motor 42 during use, and the first motor 42 is used to drive the first screw rod 43 to rotate. The rotation of the first screw rod 43 can drive the sliding rod 44 located inside the bottom rail 41 to slide. The sliding rod 44 can assist in driving the sliding rod 44 to move forward and backward inside the bottom rail 41 by sliding inside the bottom rail 41, so that during use, the chromatograph body 2 can be quickly taken out from the inside of the box body 1. When the chromatograph body 2 needs to be disassembled, the adjusting armrest 528 of the limit assembly 52 can be adjusted and pulled. At this time, the adjusting armrest 528 pulls the connecting shaft 527 to drive the limit column 526 to move upward. The limit column 526 can be pulled out from the inside of the limit groove 522 by moving upward. The limit column 526 is separated from the limit groove 522, so that The chromatograph body 2 can be pulled out to slide from the inner side of the side rail 53, so that the chromatograph body 2 can be quickly removed from the base plate 51. When the chromatograph body 2 needs to be installed, it is only necessary to slide the slide plate 54 into the inside of the side rail 53, and the slide plate 54 and the side rail 53 can slide and fit with each other. At this time, the limiting spring 524 can be used to reset the limiting block 525 to drive the limiting column 526 to be inserted into the inner side of the limiting groove 522. The limiting column 526 and the limiting groove 522 can limit each other, so that the chromatograph body 2 can be stably clamped and installed, so that the chromatograph body 2 can be quickly clamped and installed during use. In addition, during the use of the chromatograph body 2, the design of the support block 55 and the ball 56 can make the ball 56 at the bottom of the support block 55 roll against the bottom of the box body 1, which can reduce the friction of the sliding of the slide rod 44, so that the forward and backward sliding displacement of the chromatograph body 2 of the device is relatively stable, which is convenient for the use of the device.

[0045] By setting the buffer mechanism 6, when the box body 1 is placed on the ground or carried during transportation, the buffer spring 631 at the bottom of the box body 1 can cooperate with the damper 633 to assist in buffering. Since the buffer spring 631 and the damper 633 cooperate in buffering, the hinge seat 62 is hinged and the walking wheel 64 is rotated, when encountering bumps, the buffer spring 631 and the damper 633 are urged to act on the vibration force, so that the device can have better stability, and when it needs to be moved, the box body 1 can be adjusted to move toward the walking wheel 64. Tilt, then pull out the box body 1 and the anti-skid support plate 632 at the bottom of the box body 1 will be separated from the bottom of the box body 1, then the box body 1 can be pulled out and rolled on the ground by the walking wheels 64 to assist in moving the device, so that the device can have better buffering and protection functions during the mobile transportation process, and it is convenient to flexibly adjust the movement. During the entire mobile transportation process, the chromatograph body 2 is located inside the box body 1, which can enable the chromatograph body 2 to have a stronger protection function and a stronger overall stability, which can maximize the overall service life of the device.

[0046] By setting the positioning mechanism 7, the device can be used to put the solution bottle 8 into the receiving groove 72 inside the square groove 71 during use. At this time, by starting the second motor 732 to run, the second motor 732 drives the second screw rod 733 to rotate, and the second screw rod 733 drives the sliding block 734 to slide inside the sliding groove 731. The threads at both ends of the second screw rod 733 rotate in opposite directions. The rotation of the second screw rod 733 can drive the sliding block 734 to slide back and forth stably inside the sliding groove 731. The reciprocating sliding cabinet of the sliding block 734 can assist in flexibly adjusting the mutual displacement of the limit rod 735. The mutual displacement of the limit rod 735 can flexibly adjust the reciprocating displacement of the two sets of positioning plates 737. The positioning plate 737 fits the solution bottle 8, which can cause the solution bottle 8 to be squeezed into the interior of the receiving groove 72. The positioning plate 737 cooperates with the isosceles triangle The limiting setting of the receiving groove 72 can stably install the solution bottle 8, and the solution bottles 8 are arranged at equal intervals in two groups of receiving grooves 72 on both sides of the square groove 71. The overall ability to fix the solution bottle 8 is tripled compared with the solution bottle 8 positioning in the prior art, and the overall adaptability of the solution bottle 8 positioning is relatively strong. At the same time, the isosceles triangle receiving groove 72 cooperates with the reciprocating positioning plate 737 for clamping, which can flexibly adapt to solution bottles 8 of different diameters and can prevent the solution bottle 8 from tipping over while the overall adaptability is stronger. At the same time, during the positioning process of the solution bottle 8, the positioning spring 736 can be extended and retracted to resist the positioning plate 737, which can make it have strong stability. Its buffering capacity can prevent the solution bottle 8 from being damaged during the overall transportation of the device, which can improve its overall safety of use and enable the device as a whole to have strong protective performance.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A liquid chromatograph safety protection device, comprising a housing (1) and a chromatograph body (2), characterized in that: A door (3) is hingedly mounted on one side of the front end of the box (1); a driving mechanism (4) is fixedly mounted on the lower end of the box (1); a mounting mechanism (5) is fixedly mounted on the top of the driving mechanism (4); the chromatograph body (2) is mounted on the top of the driving mechanism (4) via the mounting mechanism (5); a positioning mechanism (7) is fixedly mounted on the top of the chromatograph body (2); and a solution bottle (8) is mounted on the top of the chromatograph body (2) via the positioning mechanism (7); The mounting mechanism (5) comprises a base plate (51) and a limiting assembly (52), wherein the base plate (51) is fixedly mounted on the top of the slide bar (44), and side rails (53) are fixedly mounted on both sides of the top of the base plate (51), and a slide plate (54) is slidably connected inside the side rails (53), and the inner side of the slide plate (54) is fixedly connected to the lower ends of both sides of the chromatograph body (2), and the limiting assembly (52) is fixedly mounted on the lower end of the front side of the chromatograph body (2), and support blocks (55) are fixedly mounted on both sides of the bottom of the base plate (51), and the bottom of the support block (55) is rotatably connected to a ball bearing (56), and the bottom of the ball bearing (56) is fitted and connected to the bottom of the box body (1); The positioning mechanism (7) comprises a square groove (71), the square groove (71) is provided at the top of the chromatograph body (2), and receiving grooves (72) are provided at equal intervals on both sides of the square groove (71), the cross-section of the receiving groove (72) is triangular, a positioning assembly (73) is fixedly mounted at the inner rear end of the square groove (71), and the solution bottle (8) is arranged in the receiving groove (72) and between the positioning assembly (73).

2. A liquid chromatograph safety protection device according to claim 1, characterized in that: The driving mechanism (4) comprises a bottom rail (41) and a first motor (42); the bottom rail (41) is fixedly mounted in the middle of the bottom of the box body (1); the inside of the bottom rail (41) is rotatably connected to a first screw rod (43); the first motor (42) is fixedly mounted in the middle of the lower end of the rear side of the box body (1); the output end of the first motor (42) is fixedly connected to the first screw rod (43); the outer surface of the first screw rod (43) is threadedly connected to a slide rod (44); the top of the slide rod (44) is fixedly connected to the bottom of the mounting mechanism (5).

3. A liquid chromatograph safety protection device according to claim 1, characterized in that: The limiting assembly (52) comprises a front plate (521) and a limiting groove (522); the front plate (521) is fixedly mounted on the lower front end of the chromatograph body (2); a concave seat (523) is fixedly mounted on the top of the front plate (521); a limiting spring (524) is fixedly mounted on the inner side of the concave seat (523); a limiting block (525) is fixedly mounted on the bottom of the limiting spring (524); the limiting groove (522) is opened in the middle of the top front end of the base plate (51); a limiting column (526) is fixedly mounted on the bottom of the limiting block (525); and the bottom of the limiting column (526) is inserted into the inner side of the limiting groove (522).

4. A liquid chromatograph safety protection device according to claim 3, characterized in that: A connecting shaft (527) is fixedly mounted on the top of the limiting column (526), ​​and an adjusting armrest (528) is fixedly mounted on the top of the connecting shaft (527) passing through the concave seat (523).

5. A liquid chromatograph safety protection device according to claim 1, characterized in that: A buffer mechanism (6) is fixedly mounted on the bottom of the box body (1), and the buffer mechanism (6) comprises a support (61) and an articulated seat (62), wherein the support (61) is fixedly mounted on both ends of one side of the bottom of the box, and the articulated seat (62) is fixedly mounted on the other end of the bottom of the box, a buffer assembly (63) is hingedly mounted on the bottom of the articulated seat (62), and a running wheel (64) is rotatably connected to the inner side of the support (61).

6. A liquid chromatograph safety protection device according to claim 5, characterized in that: The buffer assembly (63) comprises a buffer spring (631), wherein the buffer spring (631) is fixedly installed at an equal interval on the bottom of the hinge seat (62), and an anti-slip support plate (632) is fixedly installed on the bottom of the buffer spring (631).

7. A liquid chromatograph safety protection device according to claim 6, characterized in that: The top of the anti-skid support plate (632) is fixedly mounted with dampers (633) at equal intervals, the bottom of the anti-skid support plate (632) is fixedly connected with anti-skid protrusions (65) at equal intervals, and the buffer springs (631) are sleeved on the outside of the dampers (633).

8. A liquid chromatograph safety protection device according to claim 1, characterized in that: The positioning assembly (73) comprises a slide groove (731) and a second motor (732), wherein the second motor (732) is fixedly mounted on an upper end of one side of the chromatograph body (2), the slide groove (731) is opened at the rear end of the square groove (71), a second screw rod (733) is rotatably connected inside the slide groove (731), an output end of the second motor (732) is fixedly connected to one end of the second screw rod (733), the threads of the two ends of the second screw rod (733) are in opposite directions, both ends of the second screw rod (733) are threadedly connected to a sliding block (734), a limiting rod (735) is fixedly mounted on the front side of the sliding block (734), a positioning spring (736) is fixedly mounted on the outer side of the limiting rod (735) at equal intervals, a positioning plate (737) is fixedly mounted on the outer end of the positioning spring (736), and the solution bottle (8) is arranged between the positioning plate (737) and the inner side of the accommodating groove (72).

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