Reagent suction device

Abstract

The utility model discloses a reagent suction device which comprises a mounting plate, a plurality of reagent suction nozzles, a plurality of reagent suction nozzles and a plurality of reagent suction nozzles, wherein an assembly type multi-section reagent suction structure is mounted on the mounting plate; the assembly type multi-section reagent suction structure comprises a mounting rod, a holding handle sleeve, a small vacuum pump, a supporting rod, a first mounting block, a first combined clamping groove, a negative pressure suction pipe and a plurality of combined suction assemblies; the utility model relates to the technical field of liquid suction equipment, and has the beneficial effects that the problems that an existing reagent suction device is generally provided with a single liquid suction cavity, reagents at different depths cannot be sucked and sampled at the same time when the reagents are sucked, the reagents at different positions need to be sucked and sampled for multiple times, the sampling speed is relatively slow, the efficiency is relatively low, and the sampling cost is relatively high are solved. Therefore, the mixing uniformity of the reagent cannot be ensured.

Description

Technical Field

[0001] This utility model relates to the field of liquid aspiration equipment technology, specifically a reagent aspiration device. Background Technology

[0002] In the fields of chemistry, biomedicine, and laboratory testing, reagent aspiration devices are key tools for liquid transfer, dispensing, and mixing. When mixing reagents, it is necessary to aspirate samples to observe the uniformity. Existing reagent aspiration devices usually only have a single aspiration chamber, which cannot simultaneously aspirate reagents at different depths. Multiple aspiration samples from different locations are required, resulting in slow sampling speed and low efficiency, thus failing to guarantee the uniformity of reagent mixing. Summary of the Invention

[0003] To achieve the above objectives, this utility model is implemented through the following technical solution: a reagent aspiration device, comprising: a mounting plate, on which an assembled multi-segment reagent aspiration structure is mounted;

[0004] The assembled multi-segment reagent aspiration structure includes: a mounting rod, a grip sleeve, a small vacuum pump, a support rod, a first mounting block, a first combination slot, a negative pressure suction tube, and several combined aspiration components;

[0005] The mounting rod is mounted on the upper wall of the mounting plate, the grip sleeve is mounted on the outer wall of the mounting rod, the small vacuum pump is mounted in front of the mounting rod, the support rod is mounted on the lower wall of the mounting plate, the first mounting block is mounted at the bottom of the support rod, the first combination slot is opened on the first mounting block, the negative pressure suction tube is embedded in the mounting plate and its upper end is connected to the small vacuum pump, and several combined suction components are mounted on the mounting rod and the negative pressure suction tube.

[0006] Preferably, the mounting rod is provided with reinforcing ribs.

[0007] Preferably, the small vacuum pump is mounted on the mounting plate by fixing bolts.

[0008] Preferably, each of the several combined suction components includes: a suction tube, a combination slot, multiple mounting cavities, multiple compression springs, multiple locking steel balls, a second mounting block, a second combined slot, a liquid inlet, and a connecting air tube;

[0009] The combination slot is located at the top of the suction tube, multiple mounting cavities are located inside the combination slot, multiple compression springs are installed in the multiple mounting cavities, multiple locking steel balls are installed on the multiple compression springs, the second mounting block is installed on the lower wall of the suction tube, the second combination slot is located on the second mounting block, the liquid inlet is embedded in the lower part of the outer wall of the suction tube, and the connecting air tube is embedded in the upper part of the outer wall of the suction tube.

[0010] Preferably, the liquid inlet is a detachable one-way liquid inlet valve.

[0011] Preferably, a sealing ring is provided at the lower end of the negative pressure suction tube and the connecting air tube. Beneficial effects

[0012] This utility model provides a reagent aspiration device with the following advantages: This solution uses a modular multi-segment reagent aspiration structure and adopts a multi-segment combined suction tube structure. Different numbers of suction tubes can be assembled according to usage requirements, thereby realizing the simultaneous aspiration of reagents at different depths, ensuring the reagent aspiration speed, and solving the problem that existing reagent aspiration devices usually only have a single suction chamber, which cannot simultaneously aspirate and sample reagents at different depths during reagent aspiration, requiring multiple aspiration and sampling at different positions, resulting in slow sampling speed, low efficiency, and inability to guarantee the uniformity of reagent mixing. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the reagent aspiration device described in this utility model.

[0014] Figure 2 This is a bottom-view perspective view of the mounting plate of the reagent aspiration device described in this utility model.

[0015] Figure 3 This is a three-dimensional structural diagram of the suction tube of the reagent aspiration device described in this utility model.

[0016] Figure 4 This is a top cross-sectional view of the suction tube of the reagent aspiration device described in this utility model.

[0017] In the diagram: 1-Mounting plate; 2-Mounting rod; 3-Grip handle; 4-Small vacuum pump; 5-Support rod; 6-First mounting block; 7-First combination slot; 8-Negative pressure suction tube; 9-Reinforcing rib; 10-Fixing bolt; 11-Suction tube; 12-Combination slot; 13-Mounting cavity; 14-Compression spring; 15-Clamping steel ball; 16-Second mounting block; 17-Second combination slot; 18-Liquid inlet; 19-Connecting air pipe; 20-Sealing ring. Detailed Implementation

[0018] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Example: Please refer to Figure 1-4This utility model provides a technical solution: a reagent aspiration device. This solution takes into account that existing reagents cannot be quickly sampled from different depths when mixed, and require multiple uses of a single-chamber aspiration device for reagent aspiration, which is inefficient. Based on the above, this invention sets up the following technical means.

[0020] Specifically, this device includes at least a mounting plate 1, a mounting rod 2, a grip sleeve 3, a small vacuum pump 4, a support rod 5, a first mounting block 6, a first combined slot 7, a negative pressure suction tube 8, and several combined suction components.

[0021] Several combined suction components each include: suction tube 11, combination slot 12, multiple mounting cavities 13, multiple compression springs 14, multiple locking steel balls 15, liquid inlet 18, and connecting air tube 19.

[0022] Mounting plate 1 provides overall support for the equipment. During reagent aspiration, different numbers of suction tubes 11 are installed according to the depth of the reagent. The combination slot 12 at the top of suction tube 11 is inserted into the second mounting block 16 at the bottom of another suction tube 11. Under the action of the compression spring 14 in the mounting cavity 13, the clamping steel ball 15 is locked into the second combination slot 17, realizing the combination connection of suction tubes 11. When the suction tubes 11 are combined, the connecting air pipes 19 installed on them are also connected together. Then, multiple suction tubes 11 connected end to end are installed on the first mounting block 6, and the connecting air pipe 19 at the top position is connected to the bottom end of the negative pressure suction tube 8. During the connection, the sealing ring 20 is used to ensure the airtightness and prevent air leakage. The controller matched with the equipment is operated to start the equipment. The small vacuum pump 4 installed on the mounting plate 1 by the fixing bolt 10 is started. Under the action of negative pressure, the reagents at different depths are drawn into the suction tubes 11 through the liquid inlet 18, thereby realizing rapid reagent aspiration.

[0023] More specifically, the mounting rod 2 is mounted on the upper wall of the mounting plate 1, the grip sleeve 3 is mounted on the outer wall of the mounting rod 2, the small vacuum pump 4 is mounted in front of the mounting rod 2, the support rod 5 is mounted on the lower wall of the mounting plate 1, the first mounting block 6 is mounted at the bottom of the support rod 5, the first combination slot 7 is opened on the first mounting block 6, the negative pressure suction tube 8 is embedded in the mounting plate 1 and its upper end is connected to the small vacuum pump 4, and several combined suction components are combined and mounted on the mounting rod 2 and the negative pressure suction tube 8;

[0024] A combination slot 12 is formed at the top of the suction tube 11. Multiple mounting cavities 13 are formed inside the combination slot 12. Multiple compression springs 14 are installed in the multiple mounting cavities 13. Multiple locking steel balls 15 are installed on the multiple compression springs 14. A second mounting block 16 is installed on the lower wall of the suction tube 11. A second combination slot 17 is formed on the second mounting block 16. A liquid inlet 18 is embedded in the lower part of the outer wall of the suction tube 11. A connecting air tube 19 is embedded in the upper part of the outer wall of the suction tube 11.

[0025] In the specific implementation process, furthermore, the mounting rod 2 is provided with reinforcing ribs 9.

[0026] In the specific implementation process, the small vacuum pump 4 is further mounted on the mounting plate 1 by fixing bolts 10.

[0027] In the specific implementation process, the inlet 18 is further designed as a detachable one-way inlet valve.

[0028] In the specific implementation process, a sealing ring 20 is further provided at the lower end of the negative pressure suction tube 8 and the connecting air tube 19.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reagent aspiration device, comprising: Mounting plate (1), characterized in that a modular multi-segment reagent aspiration structure is mounted on the mounting plate (1); The assembled multi-segment reagent aspiration structure includes: a mounting rod (2), a grip sleeve (3), a small vacuum pump (4), a support rod (5), a first mounting block (6), a first combination slot (7), a negative pressure suction tube (8), and several combined aspiration components; The mounting rod (2) is installed on the upper wall of the mounting plate (1), the grip sleeve (3) is installed on the outer wall of the mounting rod (2), the small vacuum pump (4) is installed in front of the mounting rod (2), the support rod (5) is installed on the lower wall of the mounting plate (1), the first mounting block (6) is installed at the bottom of the support rod (5), the first combination slot (7) is opened on the first mounting block (6), the negative pressure suction tube (8) is embedded in the mounting plate (1) and its upper end is connected to the small vacuum pump (4), and several combination suction components are combined and installed on the mounting rod (2) and the negative pressure suction tube (8).

2. The reagent aspiration device according to claim 1, characterized in that, The mounting rod (2) is provided with a reinforcing rib (9).

3. The reagent aspiration device according to claim 1, characterized in that, The small vacuum pump (4) is mounted on the mounting plate (1) by fixing bolts (10).

4. The reagent aspiration device according to claim 1, characterized in that, Several combined suction components each include: suction tube (11), combination slot (12), multiple mounting cavities (13), multiple compression springs (14), multiple locking steel balls (15), second mounting block (16), second combination slot (17), liquid inlet (18), and connecting air tube (19). A combination slot (12) is opened at the top of the suction tube (11), multiple mounting cavities (13) are opened inside the combination slot (12), multiple compression springs (14) are installed in the multiple mounting cavities (13), multiple clamping steel balls (15) are installed on the multiple compression springs (14), a second mounting block (16) is installed on the lower wall of the suction tube (11), a second combination slot (17) is opened on the second mounting block (16), an inlet (18) is embedded in the lower part of the outer wall of the suction tube (11), and a connecting air tube (19) is embedded in the upper part of the outer wall of the suction tube (11).

5. The reagent aspiration device according to claim 4, characterized in that, The liquid inlet (18) is a detachable one-way liquid inlet valve.

6. The reagent aspiration device according to claim 4, characterized in that, A sealing ring (20) is provided at the lower end of the negative pressure suction tube (8) and the connecting air tube (19).

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