Low-temperature operation device for experiment

Abstract

The utility model provides a low-temperature operating device for experiments, which relates to the technical field of experimental instruments and comprises a first water tank, a group of positioning mechanisms are mounted above the first water tank, each positioning mechanism is composed of a positioning plate, a positioning rod, a locking plate and a positioning ring, a mounting plate is arranged above the first water tank, and the positioning rods are mounted on the mounting plate. A second water tank is installed above the installation plate in cooperation with bolts, a storage basket is installed on the inner side of the second water tank, and the second water tank comprises a drainage pipe and a supporting plate. The drainage bent neck of the water pump is aligned with the middle position of the storage basket, it can be ensured that water is evenly fused with the ice bag, the problem of the low-temperature requirement is solved, and in addition, the positioning mechanism can achieve the effect that test tubes of different sizes are flexible and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental instruments, in particular to a low-temperature operating device for experiments. Background Art

[0002] Currently, molecular biology experiments have very high temperature requirements. Some of the molecules being tested require trace doses, and a slight non-standardization can easily lead to experimental failure. Therefore, some experiments require low temperatures. The current method is to place the test tube on an ice surface or in an ice bucket.

[0003] However, the above operation has the defect that the contact range between the test tube and the ice cube is small, and the test tube needs to be stabilized by an additional set of experimental brackets, and the instrument has the defect of being inconvenient to operate;

[0004] When the experiment takes a long time, the ice will melt. Operating on the ice surface will easily cause uneven heating of the experimental products in the test tube, affecting the effect. Utility Model Content

[0005] The utility model discloses a low-temperature operating device for experiments. After a positioning mechanism, a water tank and a water pump are assembled, a test tube is firmly placed inside the positioning mechanism, an ice bag is placed inside the water tank, and the water pump is controlled to circulate ice water to achieve long-term cooling of the test tube.

[0006] In a first aspect of the present disclosure, there is provided an experimental low-temperature operation device, specifically comprising: a first water tank, a group of positioning mechanisms are installed at the upper position of the first water tank, the positioning mechanisms are composed of a positioning plate, a positioning rod, a locking plate and a positioning ring, a mounting plate is provided at the upper position of the first water tank, a second water tank is installed at the upper part of the mounting plate in cooperation with bolts, a storage basket is installed on the inner side of the second water tank, the second water tank comprises a drainage pipe and a support plate, two symmetrically distributed support plates are provided on the basis of the outer side surface of the second water tank, a water pump is installed at the upper part of the support plate, a group of positioning bolts are installed at the bottom of the support plate, and a push-pull block is provided at the end of the support plate.

[0007] Furthermore, the positioning plate has a group of V-shaped positioning grooves and a group of positioning rods on both sides, the locking plate has a group of V-shaped positioning grooves on the inner side, a group of support springs are installed on the outside of the positioning rod, and a group of positioning rings with locking bolts are installed on the outside of the positioning rod. The first water tank has a group of mounting holes on both sides, and the bending part of the positioning rod is installed inside the mounting hole.

[0008] Furthermore, the water pump includes a stabilizing block, a sliding block, a suction pipe and a drainage bend neck. The water pump is provided with a suction pipe at the bottom position, and the water pump is provided with a drainage bend neck at the upper position. The drainage outlet of the drainage bend neck extends to the middle position of the storage basket. A stabilizing block is installed at the outer position of the water pump, and a cylindrical positioning groove is opened on one side of the stabilizing block. A threaded connection seat is provided at the upper position of the end of the support plate, and a stabilizing bolt is installed at the position of the threaded connection seat.

[0009] Furthermore, the mounting plate is provided with two vertical mounting holes on one side, and the second water tank is provided with a drainage pipe at the bottom. The drainage pipe and the water suction pipe pass through the interior of the mounting hole respectively, and the second water tank is connected with the drainage pipe.

[0010] Furthermore, the support plate has a rectangular sliding hole in the middle, and the water pump is provided with two sliding blocks at the bottom, which extend into the sliding hole. The sliding block has a sliding hole in the middle corresponding to the positioning bolt, and the positioning bolt passes through the sliding hole.

[0011] Furthermore, a threaded hole is formed at the bottom of one end of the support plate, a positioning bolt passes through the threaded hole, the positioning bolt and the threaded hole are threadedly connected, and a support spring is installed on the outside of the positioning bolt.

[0012] The utility model provides a low temperature operating device for experiments, which has the following beneficial effects:

[0013] A first water tank and a second water tank are provided, the first water tank stores ice water, and a storage basket is provided inside the second water tank;

[0014] The storage basket can achieve the effect of storing ice bags, and the circulating water can flow evenly with the gaps in the storage basket. A water pump is set to transport the water in the first water tank to the position of the ice bag. The drainage bend of the water pump is aligned with the middle position of the storage basket to ensure that the water in the first water tank is evenly integrated with the ice bag, which solves the problem of low temperature requirements in molecular experiments. The setting of the storage basket solves the problem of fast melting of ice.

[0015] In addition, the water pump is set as an active structure to achieve the effect of flexible disassembly and assembly of the storage basket. In addition, the positioning mechanism realizes the flexible and stable effect of test tubes of different sizes, which solves the current problem that test tubes need to be stabilized by a set of brackets. The entire low-temperature operation device has a simple structure, low cost and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The schematic diagram of the shaft side structure of the low temperature operation device of the present application after assembly is shown;

[0020] Figure 2 This application shows Figure 1 A schematic diagram of the axle side structure from a rear perspective;

[0021] Figure 3 A schematic diagram of the structure of the first water tank of the present application after being cut away from the left side is shown;

[0022] Figure 4 A schematic diagram of the shaft side structure of the second water tank, storage basket and water pump of the present application is shown;

[0023] Figure 5 This application shows Figure 4 A schematic diagram of the partially cutaway axial structure from an upward angle;

[0024] Figure 6 A schematic diagram of the split shaft side structure of the low temperature operation device of the present application is shown;

[0025] Figure 7 A schematic diagram of the axial structure of the positioning mechanism of the present application is shown.

[0026] Reference numerals list

[0027] 1. First water tank; 101. Mounting plate;

[0028] 2. Positioning mechanism; 201. Positioning plate; 202. Positioning rod; 203. Locking plate; 204. Positioning ring;

[0029] 3. Second water tank; 301. Drainage pipe; 302. Support plate;

[0030] 4. Storage basket;

[0031] 5. Water pump; 501. Stabilizing block; 502. Sliding block; 503. Suction pipe; 504. Drainage elbow;

[0032] 6. Positioning bolts. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Example 1: Please refer to Figures 1 to 7 :

[0035] The utility model proposes an experimental low-temperature operation device, comprising: a first water tank 1, a group of positioning mechanisms 2 are installed at the upper position of the first water tank 1, the positioning mechanism 2 is composed of a positioning plate 201, a positioning rod 202, a locking plate 203 and a positioning ring 204, the positioning plate 201 is provided with a group of V-shaped positioning grooves and a group of positioning rods 202 on both sides, the locking plate 203 is also provided with a group of V-shaped positioning grooves on the basis of the inner side surface, the positioning plate 201 and the locking plate 203 cooperate with the positioning grooves to achieve the effect of locking the test tube, and the movable setting of the locking plate 203 is suitable for different The test tubes of different sizes can be flexibly locked. A group of supporting springs are installed on the outside of the positioning rod 202. The supporting springs push the locking plate 203 and the positioning plate 201 to automatically lock the test tube. A group of positioning rings 204 with locking bolts are installed on the outside of the positioning rod 202. The function of the positioning ring 204 is to position the other end of the supporting spring. A group of mounting holes are respectively opened on both sides of the first water tank 1. The bending part of the positioning rod 202 is installed inside the mounting hole. The mounting hole realizes the effect of stabilizing the installation position of the positioning rod 202. Thus, the positioning rod 202 stabilizes the positioning plate 201 and the locking plate 203.

[0036] In the embodiments of the present disclosure, reference Figures 1 to 7 As shown, a mounting plate 101 is provided at the upper position of the first water tank 1, a second water tank 3 is installed at the upper position of the mounting plate 101 with bolts, a storage basket 4 is installed on the inner side of the second water tank 3, two positioning grooves of a U-shaped structure are provided at the upper position of the second water tank 3, a positioning block of a T-shaped structure is provided on both sides of the storage basket 4, the positioning block extends to the inside of the positioning groove of the U-shaped structure, and the positioning block cooperates with the positioning groove to position the storage basket 4 in the middle position of the second water tank 3, the storage basket 4 is used to store ice bags, and the ice water inside the storage basket 4 fully and evenly flows into the inside of the second water tank 3, the mounting plate 101 has two vertical mounting holes on one side, a drainage pipe 301 is provided at the bottom of the second water tank 3, the drainage pipe 301 and the water suction pipe 503 pass through the inside of the mounting hole respectively, the second water tank 3 is connected to the drainage pipe 301, and the ice water inside the second water tank 3 is discharged to the inside of the first water tank 1 again with the help of the drainage pipe 301;

[0037] In the embodiments of the present disclosure, reference Figures 1 to 7 As shown, the second water tank 3 includes a drainage pipe 301 and a support plate 302. The second water tank 3 is provided with two symmetrically distributed support plates 302 on the basis of the outer side surface. A water pump 5 is installed on the support plate 302. The support plate 302 supports the water pump 5 (the suction principle of which is the existing technology, such as the situation that is useful in many fish tanks now). The water pump 5 includes a stabilizing block 501, a sliding block 502, a water suction pipe 503 and a drainage bend neck 504. The water pump 5 is provided with a water suction pipe 503 at the bottom position, and the water pump 5 is provided with a drainage bend neck 504 at the upper position. 4. The drainage outlet of the drainage bend neck 504 extends to the middle position of the storage basket 4, which can ensure that the water inside the first water tank 1 is evenly integrated with the ice bag. A stabilizing block 501 is installed at the outer position of the water pump 5. The stabilizing block 501 has a cylindrical positioning groove on one side. The support plate 302 is provided with a threaded connection seat at the upper position of the end. A stabilizing bolt is installed at the position of the threaded connection seat. When the end of the stabilizing bolt extends to the inside of the positioning groove, the stabilizing bolt realizes the effect of locking the water pump 5 after stretching. At this time, the storage basket 4 can be effectively disassembled;

[0038] In the embodiments of the present disclosure, reference Figures 1 to 7 As shown, a group of positioning bolts 6 are installed at the bottom of the support plate 302, and a push-pull block is provided at the end of the support plate 302. The operator cooperates with the push-pull block to facilitate the movement of the locking plate 203. The support plate 302 opens a sliding hole of a rectangular structure at the middle position, and the water pump 5 is provided with two sliding blocks 502 at the bottom. The sliding block 502 extends to the inside of the sliding hole. The sliding block 502 opens a sliding hole corresponding to the positioning bolt 6 at the middle position. The positioning bolt 6 passes through the inside of the sliding hole. The positioning bolt 6 cooperates with the sliding block 502 to achieve the effect of stabilizing the water pump 5 up and down. Under the cooperation of the sliding block 502 and the positioning bolt 6, the water pump 5 can move stably laterally. The support plate 302 opens a threaded hole at the bottom position of one end, and the positioning bolt 6 passes through the inside of the threaded hole. The positioning bolt 6 is threadedly connected to the threaded hole. At this time, under the cooperation of the threaded hole, the effect of stabilizing the installation position of the positioning bolt 6 is achieved. A supporting spring is installed on the outside of the positioning bolt 6. The supporting spring pushes the water pump 5 to reset and make close contact with the second water tank 3. At this time, the suction pipe 503 and the drainage neck 504 are reset at the same time.

[0039] Embodiment 2, based on embodiment 1, refers to Figures 1 to 7 As shown, a faucet is installed at one end of the first water tank 1, and the faucet is connected to the interior of the first water tank 1, and the water in the first water tank 1 is discharged by operating the faucet.

[0040] The working principle of this embodiment:

[0041] When installing the positioning mechanism 2, first assemble the positioning plate 201, the positioning rod 202, the locking plate 203, the positioning ring 204 and the spring, and then install the positioning mechanism 2 and the positioning rod 202 above the first water tank 1. The mounting hole of the first water tank 1 is stable to the positioning mechanism 2.

[0042] When installing the second water tank 3, the storage basket 4, and the water pump 5, first install the second water tank 3 on the top of the mounting plate 101, then install the storage basket 4 inside the second water tank 3 with the positioning blocks on both sides, and install the water pump 5 on the top of the support plate 302 with the sliding block 502 and the positioning bolt 6;

[0043] When using ice water to cool the test tube, first, the operator stretches the water pump 5 to one side, then secures the water pump 5 with bolts, puts the ice bag into the storage basket 4, loosens the bolts, and the water pump 5 is reset under the support of the spring. The operator pulls the locking plate 203 outward and puts the test tube between the positioning plate 201 and the locking plate 203. The operator stops pulling the locking plate 203, and the positioning plate 201 and the locking plate 203 cooperate to lock the test tube;

[0044] Secondly, add ice water into the first water tank 1 so that the ice water passes over the test tube, and control the water pump 5 to transport the ice water to the ice bag position of the storage basket 4. At this time, the ice bag inside the storage basket 4 cools the water inside the first water tank 1, and the ice water cools the test tube to complete the low temperature detection.

[0045] In this article, there are a few points to note:

[0046] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0047] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0048] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An experimental low temperature operation device, comprising: A first water tank, a positioning mechanism; the positioning mechanism comprises: a positioning plate, a positioning rod, a locking plate and a positioning ring; the first water tank is provided with a positioning mechanism and a mounting plate at an upper position; a second water tank is provided with a mounting plate at an upper position in cooperation with bolts; a storage basket is provided inside the second water tank; The second water tank includes a drainage pipe and a support plate. The second water tank is provided with two symmetrically distributed support plates on the basis of the outer side surface. A water pump is installed on the top of the support plate, a group of positioning bolts are installed on the bottom of the support plate, and a push-pull block is provided at the end of the support plate.

2. The experimental low temperature operation device according to claim 1, characterized in that: The positioning plate has a group of positioning grooves and a group of positioning rods on both sides, the locking plate has a group of positioning grooves on the inner side, a group of support springs are installed on the outside of the positioning rod, and a group of positioning rings with locking bolts are installed on the outside of the positioning rod. The first water tank has a group of mounting holes on both sides, and the bending part of the positioning rod is installed inside the mounting hole.

3. The experimental low temperature operation device according to claim 1, characterized in that: The water pump includes a stabilizing block, a sliding block, a suction pipe and a drainage bend neck. The water pump is provided with a suction pipe at the bottom position, and a drainage bend neck is provided at the upper position of the water pump. The drainage outlet of the drainage bend neck extends to the middle position of the storage basket. A stabilizing block is installed at the outer position of the water pump, and a cylindrical positioning groove is opened on one side of the stabilizing block. A threaded connection seat is provided at the upper position of the end of the support plate, and a stabilizing bolt is installed at the position of the threaded connection seat.

4. The experimental low temperature operation device according to claim 1, characterized in that: The mounting plate is provided with two vertical mounting holes on one side, and the second water tank is provided with a drainage pipe at the bottom. The drainage pipe and the water suction pipe pass through the interior of the mounting hole respectively, and the second water tank is connected with the drainage pipe.

5. The experimental low temperature operation device according to claim 1, characterized in that: The support plate has a sliding hole in the middle, the water pump has two sliding blocks at the bottom, the sliding blocks extend into the sliding hole, the sliding blocks have a sliding hole in the middle corresponding to the positioning bolt, and the positioning bolt passes through the sliding hole.

6. The experimental low temperature operation device according to claim 1, characterized in that: A threaded hole is provided at the bottom of one end of the support plate, a positioning bolt passes through the inside of the threaded hole, the positioning bolt and the threaded hole are threadedly connected, and a supporting spring is installed on the outside of the positioning bolt.

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