Water bath nitrogen blowing concentrator

Abstract

The utility model discloses a water bath nitrogen blowing instrument, and relates to the technical field of chemical instruments, the water bath nitrogen blowing instrument comprises a water bath box, a test tube rack is movably clamped in the water bath box, a round hole is formed in the top end of the test tube rack, a fixing assembly is arranged at the top end of the test tube rack, and a lifting mechanism is arranged at one end of the water bath box; one end of the lifting mechanism is fixedly connected with a connecting plate, one side of the top end of the connecting plate is fixedly connected with a nitrogen instrument body, eight adapters are arranged at the top end of the connecting plate in a penetrating manner, and the bottom ends of the eight adapters are movably connected with gas needles. According to the water bath nitrogen blowing instrument, the gas needle is arranged, so that the gas needle blows nitrogen into the test tube better, the using effect of the water bath nitrogen blowing instrument is better, the fixing assembly is arranged, the test tube can be stably fixed during operation, the test tube is more stable on the test tube rack, meanwhile, the test tube is prevented from being ejected out by bubbles in water during water bath, and the practicability of the structure of the water bath nitrogen blowing instrument is improved.

Description

Technical Field

[0001] The present application relates to the technical field of chemical instruments, and in particular to a water bath nitrogen blowing instrument. Background Art

[0002] The water bath nitrogen purge instrument utilizes the inertness and oxygen isolation properties of nitrogen. It uses a water bath for heating and nitrogen purges the top. The rapid flow of nitrogen can break the gas-liquid equilibrium above the liquid, accelerating the evaporation and concentration of the liquid, thereby rapidly evaporating and achieving the purpose of rapid concentration of the sample. It is widely used, such as sample pretreatment in liquid phase, gas phase and mass spectrometry analysis.

[0003] After checking the announcement number: CN217586593U, a water bath nitrogen blowing instrument is disclosed. This technology discloses "including a bottom plate, the left upper end of the bottom plate is fixedly connected to a water bath, the lower barrel wall of the water bath is fixedly connected to a support assembly, the left outer surface of the water bath is penetrated and connected to a water outlet pipe, the upper end of the bottom plate is fixedly connected to a lifting assembly, and the lifting assembly is sleeved with the support assembly, the upper end of the bottom plate is fixedly connected to a nitrogen box and a heating block, and the heating block is located in front of the nitrogen box, the nitrogen box and the heating block are both located on the right part of the water bath, the upper right end of the bottom plate is fixedly connected to the water tank, the upper left end of the nitrogen box is fixedly connected to a fan, the upper outer surface of the fan is penetrated and connected with a rubber hose, the rubber hose is penetrated and connected to the lifting assembly, the heating block is penetrated and connected to the water tank and the water bath by pipelines, etc. Technical solutions, the utility model has the technical effects of high nitrogen blowing efficiency, good nitrogen blowing effect, high stability, and is suitable for use in water bath nitrogen blowing";

[0004] In response to the above-mentioned related technologies, the inventor believes that the existing water bath nitrogen blowdown instrument structure does not have a mechanism for automatically adjusting the height of the gas needle. Since the height of the gas needle will affect the use effect of the water bath nitrogen blowdown instrument when using the device, it does not have a lifting mechanism, which makes it inconvenient to quickly adjust the height position of the gas needle; secondly, the test tube rack in the existing water bath nitrogen blowdown instrument is not provided with a structure for fixing the test tube. When the test tube is placed on the test tube rack, it is easy for the test tube to fall over, causing the liquid in the test tube to spill and waste. There is no fixing component, which makes it inconvenient to firmly fix the test tube during operation. Utility Model Content

[0005] The purpose of the present application is to provide a water bath nitrogen blowing instrument to improve the problem that the existing water bath nitrogen blowing instrument is not convenient for quickly adjusting the height position of the gas needle and is not convenient for firmly fixing the test tube during operation.

[0006] The water bath nitrogen blowing instrument provided in this application adopts the following technical solution:

[0007] The utility model provides a water bath nitrogen blowing instrument, including water bath box, the inside movable joint of water bath box is connected with test tube support, the top of test tube support is equipped with round hole, the top of test tube support is provided with fixed component, one end of water bath box is provided with lifting mechanism, one end of lifting mechanism is fixedly connected with connecting plate, and nitrogen instrument body is fixedly connected to the top one side of connecting plate, eight adapter joints are equipped on the top of connecting plate, and the bottom of eight adapter joints is movably connected with gas needle.

[0008] By adopting the above technical scheme, the nitrogen instrument body provides nitrogen, the lifting mechanism freely adjusts the height of the gas needle, the gas needle better blows nitrogen into the test tube, the fixed component stably fixes the test tube on the test tube support, and the water bath box heats the test tube.

[0009] Optionally, the lifting mechanism includes a support, one end of the support is fixedly connected with one end of the water bath box, an air cylinder is fixedly connected with the lower inner wall of the support, a first hinge base is fixedly connected with the output end of the air cylinder, a first circular rod is rotatably connected with the inner walls on both sides of the first hinge base, a first sprocket is fixedly sleeved with the outer surface of the first circular rod, a second hinge base is fixedly connected with the upper inner wall of the support, a second circular rod is rotatably connected with the inner walls on both sides of the second hinge base, a second sprocket is fixedly sleeved with the outer surface of the second circular rod, a connecting block is fixedly connected with the upper inner wall of the support, a chain is fixedly connected with the bottom end of the connecting block, the outer surfaces of the chain are meshingly connected with the outer surfaces of the first sprocket and the second sprocket, a connecting rod is fixedly connected with one end of the chain away from the connecting block, one end of the connecting rod is fixedly connected with one end of the connecting plate, and one end of the connecting plate is slidingly connected with one end of the support.

[0010] By adopting the above technical scheme, the air cylinder is started, the output end of the air cylinder drives the first hinge base to move up and down, the first hinge base moves up and down in cooperation with the first circular rod to make the first sprocket rotate, the first sprocket rotates in cooperation with the chain and the second sprocket on the second hinge base to make one end of the chain move up and down, the chain moves to drive the connecting plate to move up and down through the connecting rod, so that the height of the gas needle is adjusted, which is convenient and convenient, thereby improving the use effect of the water bath nitrogen blowing instrument.

[0011] Optionally, the fixing assembly comprises a sliding groove, the bottom end of the sliding groove is fixedly connected with the top end of the test tube rack, the lower part of one end of the sliding groove is fixedly connected with a support frame, the lower inner wall of the support frame is fixedly connected with a motor, and the output end of the motor penetrates through one end of the sliding groove and is fixedly connected with a first bidirectional screw rod, one end of the first bidirectional screw rod is fixedly connected with a rotating rod, one end of the rotating rod penetrates through the inner wall of one side of the sliding groove and is fixedly connected with a second bidirectional screw rod, and the outer surfaces of the first bidirectional screw rod and the second bidirectional screw rod are both threadedly sleeved with two sliding blocks.

[0012] By adopting the above technical scheme, the motor is started, the output end of the motor drives the first bidirectional screw rod to rotate, the first bidirectional screw rod drives the second bidirectional screw rod to rotate through the rotating rod, the first bidirectional screw rod and the second bidirectional screw rod synchronously rotate and drive the corresponding two sliding blocks to move towards each other or away from each other, the limiting grooves facilitate the position limiting of the sliding blocks, the sliding blocks drive the fixed rods to move, and the corresponding two fixed rods stably fix the test tubes on the test tube rack when moving towards each other.

[0013] Optionally, one end of the water bath box is provided with a control panel.

[0014] By adopting the above technical scheme, the control panel facilitates the temperature control of the water in the water bath box, so that the reagent in the test tube is better water-bathed.

[0015] Optionally, one end of the nitrogen instrument body penetrates through eight connecting heads, one end of each of the eight connecting heads is fixedly connected with a connecting pipe, one end of each of the eight connecting pipes is movably connected with the top end of an adapter, and the top end of the nitrogen instrument body is provided with eight adjusting valves.

[0016] By adopting the above technical scheme, the connecting head cooperates with the connecting pipe and the adapter to facilitate the nitrogen in the nitrogen instrument body to be conveyed to the gas needle for discharge, and the adjusting valve facilitates the flow adjustment of the nitrogen.

[0017] Optionally, the outer surface of the support frame is slidably sleeved with two guide sleeves, and one end of each of the two guide sleeves is fixedly connected with one end of the connecting plate.

[0018] By adopting the above technical scheme, the guide sleeve cooperates with the support frame to facilitate the guiding of the movement of the connecting plate.

[0019] Optionally, the outer surfaces of the four sliding blocks are slidably connected with the inner wall of the sliding groove, two of the sliding blocks are threadedly sleeved at different thread directions provided on the outer surface of the first bidirectional screw rod, and the other two sliding blocks are threadedly sleeved at different thread directions provided on the outer surface of the second bidirectional screw rod.

[0020] By adopting the technical scheme, the sliding groove plays a role of guiding the movement of the sliding block, and the sleeve is connected at different thread directions to facilitate the synchronous movement of the two sliding blocks in the opposite directions or the back-to-back directions when the first and second bidirectional screw rods rotate.

[0021] Optionally, four recesses are formed in one end of the four fixing rods.

[0022] By adopting the technical scheme, the recesses make the fixing rods more closely contact with the surface of the test tubes when the fixing rods fix the test tubes, so that the fixing effect of the fixing rods is better.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The utility model discloses a lifting mechanism, which is convenient for quickly adjusting the height position of the air needle, adjusts the air needle to the appropriate use height, and is convenient for the air needle to better blow nitrogen into the test tube, so that the use effect of the water bath nitrogen blowing instrument is better.

[0025] 2. The utility model discloses a fixing assembly, which is convenient for stably fixing the test tube during operation, makes the test tube more stable on the test tube rack, avoids the test tube from being pushed out by the water bubble in the water during water bathing, and improves the practicability of the water bath nitrogen blowing instrument structure. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structure schematic diagram of the utility model.

[0027] Figure 2 It is the structure schematic diagram of the utility model lifting mechanism.

[0028] Figure 3 It is the structure schematic diagram of the utility model lifting mechanism from another perspective.

[0029] Figure 4 It is the structure schematic diagram of the utility model fixing assembly.

[0030] Figure 5 It is the structure schematic diagram of the utility model fixing assembly.

[0031] In the figure, 1, water bath box; 2, lifting mechanism; 21, connecting rod; 22, support; 23, guide sleeve; 24, second hinge base; 25, second round rod; 26, second chain wheel; 27, first round rod; 28, air cylinder; 29, first hinge base; 201, first chain wheel; 202, chain; 203, connecting block; 3, fixed assembly; 31, limiting groove; 32, fixed rod; 33, groove; 34, sliding groove; 35, motor; 36, sliding block; 37, first bidirectional screw rod; 38, rotating rod; 39, second bidirectional screw rod; 301, support frame; 4, adapter; 5, connecting plate; 6, round hole; 7, control panel; 8, test tube rack; 9, air needle; 10, nitrogen instrument body; 11, connecting head; 12, regulating valve; 13, connecting pipe. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figure 1 - the accompanying Figure 5 The present application will be further described in detail.

[0033] EMBODIMENT

[0034] A water bath nitrogen blowing instrument, comprising a water bath box 1, which serves to facilitate water bath heating of reagents in test tubes, one end of the water bath box 1 is provided with a control panel 7, which serves to facilitate control of the water bath temperature in the water bath box 1;

[0035] The inside of the water bath box 1 movably clamps a test tube rack 8, the top end of the test tube rack 8 is provided with a round hole 6, and the bottom end of the test tube rack 8 is hollow, the round hole 6 is used in cooperation with the test tube rack 8 to facilitate the placement of test tubes that need to be used, and the hollow shape is more convenient for water bath of reagents in the test tubes on the test tube rack 8;

[0036] One end of the water bath box 1 is provided with a lifting mechanism 2, one end of the lifting mechanism 2 is fixedly connected with a connecting plate 5, the connecting plate 5 serves to connect, and one side of the top end of the connecting plate 5 is fixedly connected with a nitrogen instrument body 10, which serves to facilitate the provision of nitrogen;

[0037] Eight regulating valves 12 are arranged at the top end of the nitrogen instrument body 10, which serve to facilitate the adjustment of the flow rate of nitrogen;

[0038] Eight connecting heads 11 are arranged at one end of the nitrogen instrument body 10, which serve to connect, and one end of each of the eight connecting heads 11 is fixedly connected with a connecting pipe 13, eight adapter heads 4 are fixedly arranged at the top end of the connecting plate 5, which serve to connect, one end of each of the eight connecting pipes 13 is movably connected with the top end of each of the eight adapter heads 4, and an air needle 9 is movably connected at the bottom end of each of the eight adapter heads 4, nitrogen in the nitrogen instrument body 10 is discharged through the connecting heads 11, the connecting pipes 13 and the adapter heads 4 for use, and the nitrogen is discharged through the air needle 9 for use.

[0039] The lifting mechanism 2 comprises a support 22, one end of the support 22 is fixedly connected with the upper part of one end of the water bath box 1, the support 22 plays a supporting role, the lower inner wall of the support 22 is fixedly connected with a gas cylinder 28, the gas cylinder 28 plays a role of driving the lifting mechanism 2;

[0040] The output end of the gas cylinder 28 is fixedly connected with a first hinge base 29, so as to facilitate the output end of the gas cylinder 28 to drive the first hinge base 29 to move up and down, the inner walls on both sides of the first hinge base 29 are jointly rotatably connected with a first circular rod 27, and the outer surface of the first circular rod 27 is fixedly sleeved with a first sprocket 201, so as to facilitate the first sprocket 201 to rotate by a certain angle;

[0041] The upper inner wall of the support 22 is fixedly connected with a second hinge base 24, the second hinge base 24 plays a connecting role, the inner walls on both sides of the second hinge base 24 are jointly rotatably connected with a second circular rod 25, and the outer surface of the second circular rod 25 is fixedly sleeved with a second sprocket 26 used in cooperation with the first sprocket 201, so as to facilitate the second sprocket 26 to rotate;

[0042] The upper inner wall of the support 22 is fixedly connected with a connecting block 203, the connecting block 203 plays a connecting role, and the bottom end of the connecting block 203 is fixedly connected with a chain 202, so as to facilitate the connecting block 203 to fix one end of the chain 202;

[0043] The outer surfaces of the chain 202 are meshingly connected with the outer surfaces of the first sprocket 201 and the second sprocket 26, so as to facilitate the first sprocket 201 to move in position in cooperation with the second sprocket 26, so that one end of the chain 202 moves up and down, and one end of the chain 202 is fixedly connected with a connecting rod 21 opposite to the connecting block 203, so that one end of the chain 202 moves up and down to drive the connecting rod 21 to move up and down;

[0044] One end of the connecting rod 21 is fixedly connected with one end of a connecting plate 5, and one end of the connecting plate 5 is slidingly connected with one end of the support 22, so that the connecting rod 21 moves up and down to drive the connecting plate 5 to move up and down;

[0045] The outer surface of the support 22 is slidingly sleeved with two guide sleeves 23, one end of each of the two guide sleeves 23 is fixedly connected with one end of the connecting plate 5, and the guide sleeves 23 cooperate with the support 22 to play a role of facilitating the movement of the connecting plate 5 to be guided, the movement of the connecting plate 5 adjusts the height of the air needle 9, thereby improving the use effect of the water bath nitrogen blowing instrument structure;

[0046] The top end of the test tube rack 8 is provided with a fixing assembly 3, the fixing assembly 3 comprises a sliding groove 34, the bottom end of the sliding groove 34 is fixedly connected with the top end of the test tube rack 8, one end of the sliding groove 34 is fixedly connected with a support frame 301, the support frame 301 plays a supporting role, the lower inner wall of the support frame 301 is fixedly connected with a motor 35, the motor 35 plays a role in driving the fixing assembly 3;

[0047] The output end of the motor 35 penetrates one end of the sliding groove 34 and is fixedly connected with a first bidirectional screw rod 37, which is convenient for the output end of the motor 35 to drive the first bidirectional screw rod 37 to rotate, one end of the first bidirectional screw rod 37 away from the output end of the motor 35 is fixedly connected with a rotating rod 38, the rotating rod 38 is driven to rotate by the rotation of the first bidirectional screw rod 37, and one end of the rotating rod 38 away from the first bidirectional screw rod 37 penetrates the inner wall of one side of the sliding groove 34 and is fixedly connected with a second bidirectional screw rod 39, the second bidirectional screw rod 39 is driven to rotate synchronously by the rotation of the rotating rod 38;

[0048] The outer surfaces of the first bidirectional screw rod 37 and the second bidirectional screw rod 39 are both threadedly sleeved with two sliding blocks 36, of which two sliding blocks 36 are respectively threadedly sleeved at different screw thread directions provided on the outer surface of the first bidirectional screw rod 37, and the other two sliding blocks 36 are respectively threadedly sleeved at different screw thread directions provided on the outer surface of the second bidirectional screw rod 39, which is convenient for the two corresponding sliding blocks 36 to move towards or away from each other in the sliding groove 34 when the first bidirectional screw rod 37 and the second bidirectional screw rod 39 rotate synchronously;

[0049] The outer surfaces of the four sliding blocks 36 are all slidably connected with the inner walls of the sliding groove 34, the sliding groove 34 plays a guiding role when the sliding blocks 36 move, one end of the sliding groove 34 is provided with four limiting grooves 31, and one end of the four sliding blocks 36 penetrates the four limiting grooves 31 and is fixedly connected with a fixing rod 32, the limiting grooves 31 play a role in limiting the movement position of the sliding blocks 36, which is convenient for the sliding blocks 36 to move and drive the fixing rod 32 to move to fix the test tubes;

[0050] One end of each of the four fixing rods 32 is provided with four grooves 33, and the inner walls of the sixteen grooves 33 are all made of anti-skid material, the setting of the grooves 33 is convenient for the fixing rod 32 to have a better fixing effect, so as to avoid the test tubes from being tilted during operation.

[0051] Working principle: first, take the test tube rack 8 out of the water bath box 1, then add an appropriate amount of water into the water bath box 1, and then put the test tube rack 8 back into the water bath box 1;

[0052] Then place the test tube with reagent in the round hole 6 on the test tube rack 8, and then start the motor 35 through the fixing assembly 3, the output end of the motor 35 drives the first bidirectional screw rod 37 to rotate, and the first bidirectional screw rod 37 drives the rotating rod 38 to rotate;

[0053] The rotating rod 38 rotates to drive the second bidirectional screw rod 39 to rotate synchronously, and the first bidirectional screw rod 37 and the second bidirectional screw rod 39 rotate synchronously to drive the two corresponding sliders 36 to move towards opposite sides in the sliding groove 34.

[0054] Meanwhile, the limiting groove 31 serves to limit the moving position of the slider 36, the slider 36 drives the fixed rod 32 to move to fix the test tube, and the groove 33 serves to make the fixing effect of the fixed rod 32 better.

[0055] Then, the lifting mechanism 2 is started, the cylinder 28 is started, the output end of the cylinder 28 drives the first hinge base 29 to move up and down, the first hinge base 29 moves up and down to change the position of the first sprocket 201, and the position of the first sprocket 201 is moved to cooperate with the second sprocket 26 to make one end of the chain 202 move up and down.

[0056] Meanwhile, the connecting block 203 serves to fix one end of the chain 202, one end of the chain 202 moves up and down to drive the connecting rod 21 to move up and down, and the connecting rod 21 moves up and down to drive the connecting plate 5 to move up and down.

[0057] Meanwhile, the guide sleeve 23 cooperates with the support 22 to serve to guide the movement of the connecting plate 5, the connecting plate 5 moves to adjust the height of the air needle 9 to a suitable use position.

[0058] Then, the flow of the nitrogen instrument body 10 is adjusted through the regulating valve 12, and then the nitrogen in the nitrogen instrument body 10 is discharged into the air needle 9 through the connecting head 11, the connecting pipe 13 and the adapter 4, and the nitrogen is discharged into the test tube through the air needle 9.

[0059] Meanwhile, the water bath temperature in the water bath box 1 is controlled through the control panel 7, and the reagent in the test tube is heated through water bath.

[0060] The embodiments of the specific implementation are the preferred embodiments of the application, and are not limited to the protection scope of the application, wherein the same parts are indicated by the same reference numerals. Therefore, equivalent changes made according to the structure, shape and principle of the application should be covered by the protection scope of the application.

Claims

1. A water bath nitrogen evaporator comprising a water bath tank (1), characterized in that: The inner movable clamping of the water bath box (1) is provided with a test tube rack (8), a round hole (6) is formed in the top end of the test tube rack (8), and a fixing assembly (3) is arranged at the top end of the test tube rack (8). One end of the water bath box (1) is provided with a lifting mechanism (2), one end of the lifting mechanism (2) is fixedly connected with a connecting plate (5), one side of the top end of the connecting plate (5) is fixedly connected with a nitrogen instrument body (10), eight adapter joints (4) are penetratingly arranged at the top end of the connecting plate (5), and the bottom ends of the eight adapter joints (4) are movably connected with air needles (9).

2. The water bath nitrogen evaporator of claim 1, wherein: The lifting mechanism (2) comprises a support (22), one end of the support (22) is fixedly connected with one end of the water bath box (1), the lower inner wall of the support (22) is fixedly connected with an air cylinder (28), the output end of the air cylinder (28) is fixedly connected with a first hinge base (29), the two side inner walls of the first hinge base (29) are jointly rotatably connected with a first circular rod (27), the outer surface of the first circular rod (27) is fixedly sleeved with a first sprocket (201), the upper inner wall of the support (22) is fixedly connected with a second hinge base (24), the two side inner walls of the second hinge base (24) are jointly rotatably connected with a second circular rod (25), the outer surface of the second circular rod (25) is fixedly sleeved with a second sprocket (26), the upper inner wall of the support (22) is fixedly connected with a connecting block (203), the bottom end of the connecting block (203) is fixedly connected with a chain (202), the outer surfaces of the chain (202) are meshingly connected with the outer surfaces of the first sprocket (201) and the second sprocket (26), one end of the chain (202) away from the connecting block (203) is fixedly connected with a connecting rod (21), one end of the connecting rod (21) is fixedly connected with one end of the connecting plate (5), and one end of the connecting plate (5) is slidably connected with one end of the support (22).

3. The water bath nitrogen evaporator of claim 1, wherein: The fixing assembly (3) comprises a sliding groove (34), the bottom end of the sliding groove (34) is fixedly connected with the top end of the test tube rack (8), the lower part of one end of the sliding groove (34) is fixedly connected with a support frame (301), the lower inner wall of the support frame (301) is fixedly connected with a motor (35), the output end of the motor (35) penetrates through one end of the sliding groove (34) and is fixedly connected with a first bidirectional screw rod (37), one end of the first bidirectional screw rod (37) is fixedly connected with a rotating rod (38), one end of the rotating rod (38) penetrates through one side inner wall of the sliding groove (34) and is fixedly connected with a second bidirectional screw rod (39), the outer surfaces of the first bidirectional screw rod (37) and the second bidirectional screw rod (39) are threadedly sleeved with two sliding blocks (36), four limiting grooves (31) are formed in one end of the sliding groove (34), and one end of each of the four sliding blocks (36) penetrates through one of the four limiting grooves (31) and is fixedly connected with a fixing rod (32).

4. The water bath nitrogen evaporator of claim 1, wherein: One end of the water bath box (1) is provided with a control panel (7).

5. The water bath nitrogen evaporator of claim 1, wherein: One end of the nitrogen instrument body (10) is provided with eight connecting heads (11), and one end of each of the eight connecting heads (11) is fixedly connected with a connecting pipe (13), one end of each of the eight connecting pipes (13) is movably connected with the top end of the eight adapter heads (4), and the top end of the nitrogen instrument body (10) is provided with eight adjusting valves (12).

6. The water bath nitrogen evaporator of claim 2, wherein: The outer surface of the support (22) is slidably sleeved with two guide sleeves (23), and one end of each of the two guide sleeves (23) is fixedly connected with one end of the connecting plate (5).

7. The water bath nitrogen evaporator of claim 3, wherein: The outer surfaces of the four sliding blocks (36) are slidably connected with the inner walls of the sliding grooves (34), two of the sliding blocks (36) are respectively threadedly sleeved at different threaded directions provided on the outer surface of the first bidirectional screw rod (37), and the other two sliding blocks (36) are respectively threadedly sleeved at different threaded directions provided on the outer surface of the second bidirectional screw rod (39).

8. The water bath nitrogen evaporator of claim 3, wherein: One end of each of the four fixing rods (32) is provided with four grooves (33).

Images