Laboratory quantitative infusion control system
By combining the lifting adjustment mechanism and the water bath adjustment mechanism, the problems of liquid splashing and obstructed movement of the mixing tank caused by the inability to adjust the height of the metering pump are solved, realizing the flexible adaptation of the metering pump and the mixing tank, and improving the stability and efficiency of the laboratory infusion system.
Patent Information
- Application Number
- CN202520459464.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-14
AI Technical Summary
In existing laboratory infusion systems, the height of the metering pump cannot be adjusted according to the actual position of the mixing tank, leading to problems such as liquid splashing or obstruction of the mixing tank's movement.
Employing a lifting adjustment mechanism and a water bath adjustment mechanism, the height and position of the metering pump and the mixing tank can be flexibly adjusted through the cooperation of the drive motor and the threaded rod, ensuring that the metering pump is located above the mixing tank and that the mixing tank is stably positioned in the water bath.
It effectively reduces the possibility of liquid splashing, avoids the metering pump from hindering the movement of the mixing tank, improves the stability and adaptability of the mixing tank, and meets the needs of mixing tanks of different depths.
Smart Images
Figure CN223874852U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of laboratory experiments, and in particular to a laboratory quantitative liquid feeding control system. BACKGROUND
[0002] In the laboratory, the quantitative liquid feeding control system is widely used, especially in the fields of chemistry, biology, pharmacy, etc. The traditional liquid feeding control system usually uses a simple dropper, a syringe or a manually controlled liquid feeding quantitative pump to realize the addition of liquid.
[0003] When using the quantitative pump to add liquid to the vessel in the laboratory, the delivery tank of the quantitative pump is usually connected to the pipeline where the liquid needs to be added, and then the quantitative pump is located directly above the vessel. When the liquid needs to be added, the quantitative pump is operated to add the accurate dose.
[0004] In the liquid adding process of some existing laboratory liquid feeding systems, the quantitative pump is usually fixed directly on the stirring device. Since the height of the quantitative pump cannot be adjusted according to the actual position of the stirring tank, the liquid often splashes or the quantitative pump hinders the movement of the stirring tank. CONTENT OF THE INVENTION
[0005] The present application aims to solve the problem that the height of the quantitative pump cannot be adjusted according to the actual position of the stirring tank, which often causes the liquid to splash or the quantitative pump to hinder the movement of the stirring tank. The present application provides a laboratory quantitative liquid feeding control system.
[0006] In order to achieve the above-mentioned purpose, the present application specifically adopts the following technical scheme:
[0007] A laboratory quantitative liquid feeding control system, comprising a base, a support rod is fixed on the base, a support block is arranged on the support rod, a stirring motor is fixed on the support block, the output end of the stirring motor penetrates through the support block and is fixed with a stirring rod, a plurality of quantitative pumps are arranged on the stirring rod, a lifting adjustment mechanism is arranged between the plurality of quantitative pumps and the support block, a water bath kettle is fixed on the base, a stirring tank is arranged in the water bath kettle, and a water bath adjustment mechanism is arranged between the stirring tank and the water bath kettle.
[0008] By adopting the above technical scheme, the stirring tank is placed in the water bath kettle, the water bath adjusting mechanism supports the stirring tank, then the height of the supporting block is adjusted by using the lifting adjusting mechanism, the stirring rod is extended into the stirring tank, then the height of the quantitative pump is adjusted by using the lifting adjusting mechanism, and the quantitative pump is moved above the stirring tank, so that the stirring rod can be conveniently adapted to stirring tanks with different depths, the stirring tank can be conveniently moved below the stirring rod, the quantitative pump can be adapted to the height of the stirring tank, the possibility of liquid splashing caused by the quantitative pump being too high is reduced, and the possibility of the quantitative pump being too low to hinder the movement of the stirring tank is reduced.
[0009] Further, the lifting adjusting mechanism comprises a driving motor one fixed on the supporting block, an output end of the driving motor one penetrates the supporting block, and a threaded rod one is fixed, a supporting disc is threadedly connected on the threaded rod one, a plurality of quantitative pumps are fixed on the supporting disc, the stirring rod penetrates the supporting disc, and a lifting assembly is arranged between the supporting block and the supporting rod.
[0010] By adopting the above technical scheme, the threaded rod one drives the supporting disc, and the supporting disc drives the plurality of quantitative pumps to move, so that the height of the quantitative pump can be conveniently changed.
[0011] Further, the lifting assembly comprises two fixed blocks symmetrically fixed on two ends of the supporting rod, a sliding block is arranged between the two fixed blocks, the sliding block is slidably connected with the supporting rod, and the sliding block is fixedly connected with the supporting block.
[0012] By adopting the above technical scheme, the sliding block moves between the two fixed blocks, so that the sliding block drives the supporting block to move.
[0013] Further, a threaded rod two is rotatably connected between the two fixed blocks, the threaded rod two penetrates the sliding block and is threadedly connected with the sliding block, one of the fixed blocks is fixed with a driving motor two, an output end of the driving motor two penetrates the fixed block and is fixedly connected with the threaded rod two.
[0014] By adopting the above technical scheme, when the threaded rod two rotates, the threaded rod two drives the sliding block to move along the supporting rod, so that the sliding block can be conveniently moved.
[0015] Further, the water bath adjusting mechanism comprises a supporting plate arranged in the water bath kettle, four sliding rods are fixed in the water bath kettle, the sliding rods penetrate the supporting plate and are slidably connected with the supporting plate, a driving motor three is fixed on the water bath kettle, an output end of the driving motor three is fixed with a threaded rod three, the threaded rod three penetrates the supporting plate and is threadedly connected with the supporting plate, and a clamping assembly is arranged on the supporting plate.
[0016] By adopting the technical scheme, the support plate is lifted and lowered by the threaded rods, so that the support plate can conveniently drive the stirring tank to be lifted and lowered in the water bath pot.
[0017] Further, the clamping assembly comprises two clamping plates fixed symmetrically on the support plate, the clamping plates are provided with clamping rods, the clamping plates are threadedly connected with clamping threaded rods, one end of the clamping threaded rods penetrates through the clamping plates and is rotationally connected with the clamping rods.
[0018] By adopting the technical scheme, the stirring tank is clamped by the two clamping rods, so that the stability of the stirring tank on the support plate can be improved.
[0019] Further, the clamping plates are slidably connected with limiting rods, one end of the limiting rods is fixedly connected with the clamping rods.
[0020] By adopting the technical scheme, the clamping rods are supported by the limiting rods during movement, so that the clamping rods can be kept stable during movement.
[0021] Further, the clamping surface of the clamping rod is fixedly connected with a clamping rubber strip.
[0022] By adopting the technical scheme, when the clamping rod clamps the stirring tank, the clamping rubber strip on the clamping rod is in contact with the stirring tank, so that the stability of clamping the stirring tank can be further improved, and the possibility of sliding between the stirring tank and the clamping rod can be reduced.
[0023] In summary, the present application has at least one of the following beneficial effects:
[0024] 1. Before the stirring tank is put into the water bath pot, the threaded rod one is driven by the driving motor one, the support disc is driven by the threaded rod one, the support disc is lifted to the highest position, the threaded rod two is driven by the driving motor two, the sliding block is driven by the threaded rod two, the support block is driven by the sliding block to the highest position, then the stirring tank is put into the water bath pot, then the threaded rod two is driven by the driving motor two, the sliding block is driven by the threaded rod two, the support block is driven by the sliding block, the stirring rod is driven by the support block to extend into the stirring tank, then the support disc is driven by the threaded rod one, the support disc is covered on the stirring tank, and the quantitative pump on the support disc is located above the stirring tank, so that the quantitative pump can adapt to the height of the stirring tank, the possibility of liquid splashing caused by the quantitative pump being too high is reduced, the possibility of the quantitative pump being too low to hinder the movement of the stirring tank is reduced, and the stirring rod can conveniently adapt to stirring tanks of different depths.
[0025] 2. In this application, when the mixing tank is placed into the water bath, the drive motor three first drives the threaded rod three, which in turn drives the support plate. The support plate rises under the constraint of the sliding rod. Then, the mixing tank is placed on the support plate, positioned between two clamping rods. The clamping threaded rod is then rotated, moving on the clamping plate and causing the clamping rod to move and press against the mixing tank, thus securing it. The threaded rod then drives the support plate, lowering the mixing tank into the water bath. The portion of the mixing tank that needs to be heated is then immersed in the water. This design facilitates the raising and lowering of the mixing tank within the water bath, making it easy to remove and improving its stability. Attached Figure Description
[0026] Figure 1 This is a first three-dimensional structural schematic diagram of the quantitative infusion control system in this application;
[0027] Figure 2 This is a second three-dimensional structural schematic diagram of the quantitative infusion control system in this application;
[0028] Figure 3 This is a schematic diagram of the third three-dimensional structure of the quantitative infusion control system in this application;
[0029] Figure 4 This application Figure 3 Enlarged diagram of point A in the middle.
[0030] Explanation of reference numerals in the attached figures:
[0031] 1. Base; 2. Support rod; 3. Support block; 4. Stirring motor; 5. Stirring rod; 6. Metering pump; 7. Lifting and adjusting mechanism; 71. Support plate; 72. Threaded rod one; 73. Drive motor one; 74. Lifting assembly; 741. Fixing block; 742. Sliding block; 743. Threaded rod two; 744. Drive motor two; 8. Water bath adjusting mechanism; 81. Support plate; 82. Sliding rod; 83. Threaded rod three; 84. Drive motor three; 85. Clamping assembly; 851. Clamping plate; 852. Clamping rod; 853. Clamping threaded rod; 854. Limiting rod; 855. Clamping rubber strip; 9. Water bath; 10. Stirring tank. Detailed Implementation
[0032] The following is in conjunction with the appendix Figure 1 —4 provides further detailed description of this application.
[0033] This application discloses a laboratory quantitative infusion control system.
[0034] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a laboratory quantitative infusion control system, including base 1, the support rod 2 is fixed on base 1, the support block 3 is arranged on the support rod 2, the stirring motor 4 is fixed on the support block 3, the output of stirring motor 4 penetrates support block 3, and is fixed with stirring rod 5, a plurality of quantitative pumps 6 are arranged on stirring rod 5, and the lifting adjusting mechanism 7 is arranged between a plurality of quantitative pumps 6 and support block 3, the water bath kettle 9 is fixed on base 1, the stirring jar 10 is arranged in water bath kettle 9, and the water bath adjusting mechanism 8 is arranged between stirring jar 10 and water bath kettle 9.
[0035] When the laboratory quantitative infusion control system is used to carry out experiment, the liquid needed for experiment is added in stirring jar 10, then stirring jar 10 is placed into water bath kettle 9, water bath adjusting mechanism 8 supports stirring jar 10, then the height of support block 3 is adjusted by using lifting adjusting mechanism 7, so that stirring rod 5 extends into stirring jar 10, then the height of quantitative pump 6 is adjusted by using lifting adjusting mechanism 7, so that quantitative pump 6 moves above stirring jar 10, then the liquid needed for stirring is connected to quantitative pump 6, then the liquid in stirring jar 10 is stirred by using stirring rod 5, then the liquid needed for quantitative is added into stirring jar 10 by using quantitative pump 6, and the water in water bath kettle 9 is heated, so that the liquid in stirring jar 10 is heated when being stirred, the height of stirring is adjusted by using lifting adjusting mechanism 7, and the height of a plurality of quantitative pumps 6 is adjusted by using lifting adjusting mechanism 7, so that stirring rod 5 can adapt to stirring jar 10 of different depths, stirring jar 10 can be conveniently moved below stirring rod 5, quantitative pump 6 can adapt to the height of stirring jar 10, the possibility that the liquid splashes due to the too high quantitative pump 6 is reduced, and the possibility that quantitative pump 6 is too low and hinders the movement of stirring jar 10 is reduced.
[0036] Referring to Figure 1 , Figure 2 and Figure 3 , lifting adjusting mechanism 7 includes drive motor one 73 fixed on support block 3, the output of drive motor one 73 penetrates support block 3, and is fixed with threaded rod one 72, threaded rod one 72 is threadedly connected with support disc 71, a plurality of quantitative pumps 6 are fixed on support disc 71, stirring rod 5 penetrates support disc 71, and lifting assembly 74 is arranged between support block 3 and support rod 2.
[0037] In addition, lifting assembly 74 includes two fixed blocks 741 symmetrically fixed on both ends of support rod 2, sliding block 742 is arranged between two fixed blocks 741, sliding block 742 is slidably connected with support rod 2, and sliding block 742 is fixedly connected with support block 3.
[0038] And, the two fixed blocks 741 are rotationally connected with a threaded rod two 743, the threaded rod two 743 penetrates the sliding block 742 and is threadedly connected with the sliding block 742, one of the fixed blocks 741 is fixedly connected with a driving motor two 744, the output end of the driving motor two 744 penetrates the fixed block 741 and is fixedly connected with the threaded rod two 743.
[0039] Before the stirring tank 10 is placed into the water bath pot 9, first, the threaded rod one 72 is driven by the driving motor one 73, the threaded rod one 72 drives the support disc 71, the support disc 71 is raised to the highest, then the threaded rod two 743 is driven by the driving motor two 744, the threaded rod two 743 drives the sliding block 742, the sliding block 742 drives the support block 3 to be raised to the highest, then the stirring tank 10 is placed into the water bath pot 9, then the threaded rod two 743 is driven by the driving motor two 744, the threaded rod two 743 drives the sliding block 742, the sliding block 742 drives the support block 3, the support block 3 drives the stirring rod 5 to extend into the stirring tank 10, then the support disc 71 is driven by the threaded rod one 72, the support disc 71 covers the stirring tank 10, the quantitative pump 6 on the support disc 71 is located above the stirring tank 10, the height of the stirring rod 5 is changed by moving the sliding block 742 on the threaded rod two 743, the height of the support disc 71 is changed by moving the support disc 71 on the threaded rod one 72, the support disc 71 drives the quantitative pump 6 to change the height, so that the quantitative pump 6 can adapt to the height of the stirring tank 10, the possibility of liquid splashing caused by the quantitative pump 6 being too high is reduced, the possibility of the quantitative pump 6 being too low to hinder the movement of the stirring tank 10 is reduced, and the stirring rod 5 can be conveniently adapted to stirring tanks 10 of different depths.
[0040] With reference to Figure 2 , Figure 3 and Figure 4 , the water bath adjusting mechanism 8 comprises a support plate 81 arranged in the water bath pot 9, four sliding rods 82 are fixedly connected in the water bath pot 9, the sliding rods 82 penetrate the support plate 81 and are slidably connected with the support plate 81, a driving motor three 84 is fixedly connected on the water bath pot 9, the output end of the driving motor three 84 is fixedly connected with a threaded rod three 83, the threaded rod three 83 penetrates the support plate 81 and is threadedly connected with the support plate 81, and a clamping assembly 85 is arranged on the support plate 81.
[0041] In addition, the clamping assembly 85 comprises two clamping plates 851 which are symmetrically fixed on the support plate 81, a clamping rod 852 is arranged on the clamping plate 851, a clamping threaded rod 853 is threadedly connected on the clamping plate 851, one end of the clamping threaded rod 853 penetrates the clamping plate 851 and is rotationally connected with the clamping rod 852.
[0042] And, a limiting rod 854 penetrates and is slidably connected with the clamping plate 851, one end of the limiting rod 854 is fixedly connected with the clamping rod 852.
[0043] And, the clamping surface of the clamping rod 852 is fixed with a clamping rubber strip 855.
[0044] When the stirring tank 10 is put into the water bath 9, firstly, the threaded rod three 83 is driven by the driving motor three 84, the support plate 81 is driven by the threaded rod three 83, the support plate 81 is lifted under the limitation of the sliding rod 82, then the stirring tank 10 is put on the support plate 81, the stirring tank 10 is located between the two clamping rods 852, then the clamping threaded rod 853 is rotated, the clamping threaded rod 853 is moved on the clamping plate 851, the clamping threaded rod 853 drives the clamping rod 852, the two clamping rods 852 are in contact with the stirring tank 10, the fixing of the stirring tank 10 is completed, then the support plate 81 is driven by the threaded rod three 83, the stirring tank 10 is driven by the support plate 81, the stirring tank 10 is lowered into the water bath 9, the part of the stirring tank 10 which needs to be heated is immersed in the water in the water bath 9, through the lifting of the support plate 81 and the clamping of the two clamping rods 852, the stirring tank 10 can be conveniently lifted in the water bath 9, the stirring tank 10 is conveniently taken out, and the stability of the stirring tank 10 is improved.
[0045] Working principle: before the stirring tank 10 is put into the water bath 9, firstly, the threaded rod one 72 is driven by the driving motor one 73, the support disc 71 is driven by the threaded rod one 72, the support disc 71 is lifted to the highest, then the threaded rod two 743 is driven by the driving motor two 744, the sliding block 742 is driven by the threaded rod two 743, the support block 3 is lifted to the highest by the sliding block 742, then the support plate 81 is lifted by the threaded rod three 83 driven by the driving motor three 84, the support plate 81 is lifted under the limitation of the sliding rod 82, then the stirring tank 10 is put on the support plate 81, the stirring tank 10 is located between the two clamping rods 852, then the clamping threaded rod 853 is rotated, the clamping threaded rod 853 is moved on the clamping plate 851, the clamping threaded rod 853 drives the clamping rod 852, the two clamping rods 852 are in contact with the stirring tank 10, the fixing of the stirring tank 10 is completed, then the support plate 81 is driven by the threaded rod three 83, the stirring tank 10 is driven by the support plate 81, the stirring tank 10 is lowered into the water bath 9, the part of the stirring tank 10 which needs to be heated is immersed in the water in the water bath 9, then the sliding block 742 is driven by the threaded rod two 743 driven by the driving motor two 744, the support block 3 is driven by the sliding block 742, the stirring rod 5 is driven by the support block 3, the stirring rod 5 is inserted into the stirring tank 10, then the support disc 71 is driven by the threaded rod one 72, the support disc 71 covers the stirring tank 10, the quantitative pump 6 on the support disc 71 is located above the stirring tank 10, then the liquid which needs to be stirred is connected to the quantitative pump 6, then the liquid in the stirring tank 10 is stirred by the stirring rod 5, then the quantitative pump 6 is used to add the required liquid into the stirring tank 10.
Claims
1. A laboratory dosing control system comprising a base (1), characterised in that: The base (1) is fixed with a support rod (2), the support rod (2) is provided with a support block (3), the support block (3) is fixed with a stirring motor (4), the output end of the stirring motor (4) penetrates the support block (3), and is fixed with a stirring rod (5), the stirring rod (5) is provided with a plurality of quantitative pumps (6), a lifting adjusting mechanism (7) is arranged between the plurality of quantitative pumps (6) and the support block (3), the base (1) is fixed with a water bath kettle (9), the water bath kettle (9) is provided with a stirring tank (10), and the water bath adjusting mechanism (8) is arranged between the stirring tank (10) and the water bath kettle (9).
2. A laboratory dosing control system according to claim 1, characterized in that: The lifting adjusting mechanism (7) comprises a driving motor one (73) fixed on the support block (3), the output end of the driving motor one (73) penetrates the support block (3) and is fixed with a threaded rod one (72), the threaded rod one (72) is threadedly connected with a support disc (71), a plurality of quantitative pumps (6) are fixed on the support disc (71), the stirring rod (5) penetrates the support disc (71), and a lifting assembly (74) is arranged between the support block (3) and the support rod (2).
3. A laboratory dosing control system according to claim 2, wherein: The lifting assembly (74) comprises two fixed blocks (741) symmetrically fixed at two ends of the support rod (2), a sliding block (742) is arranged between the two fixed blocks (741), the sliding block (742) is in sliding connection with the support rod (2), and the sliding block (742) is fixedly connected with the support block (3).
4. A laboratory dosing control system according to claim 3, wherein: The two fixed blocks (741) are rotatably connected with a threaded rod two (743), the threaded rod two (743) penetrates the sliding block (742) and is threadedly connected with the sliding block (742), and one of the fixed blocks (741) is fixedly connected with a driving motor two (744), the output end of the driving motor two (744) penetrates the fixed block (741) and is fixedly connected with the threaded rod two (743).
5. The laboratory dosing control system of claim 1, wherein: The water bath adjusting mechanism (8) comprises a support plate (81) arranged in the water bath kettle (9), four sliding rods (82) are fixed in the water bath kettle (9), the sliding rods (82) penetrate the support plate (81) and are in sliding connection with the support plate (81), a driving motor three (84) is fixed on the water bath kettle (9), the output end of the driving motor three (84) is fixed with a threaded rod three (83), the threaded rod three (83) penetrates the support plate (81) and is threadedly connected with the support plate (81), and the support plate (81) is provided with a clamping assembly (85).
6. A laboratory dosing control system according to claim 5, wherein: The clamping assembly (85) comprises two clamping plates (851) symmetrically fixed on the support plate (81), the clamping plates (851) are provided with clamping rods (852), the clamping plates (851) are threadedly connected with clamping threaded rods (853), one end of the clamping threaded rods (853) penetrates the clamping plates (851) and is rotatably connected with the clamping rods (852).
7. A laboratory dosing control system according to claim 6, wherein: The clamping plates (851) are penetrated by limit rods (854) in sliding connection, and one end of the limit rods (854) is fixedly connected with the clamping rods (852).
8. A laboratory dosing control system according to claim 7, wherein: A clamping rubber strip (855) is fixed on the clamping surface of the clamping rod (852).