CN214373780U

CN214373780U - But test-tube rack automatic rising's nitrogen blows appearance

Info

Publication number: CN214373780U
Application number: CN202023155283.7U
Authority: CN
Inventors: 汪旭伦; 王芳; 李雅
Original assignee: Hangzhou Cti Technology Co ltd
Current assignee: Hangzhou Cti Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-08
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a but nitrogen of test-tube rack automatic rising blows appearance, including base and shell, the last fixed surface of base installs the shell, the inside center department fixed mounting of shell has the dead lever, the surperficial swing joint of dead lever has the test-tube rack, the inside fixed mounting of protective housing has elevating system, the inside of shell is provided with instant subassembly. The utility model discloses an elevating system highly adjusts the test-tube rack effectively, thereby avoid the operation of highly blowing that need transfer air blow needle, and need not to place empty centrifuging tube on the test-tube rack, guaranteed that air blow needle is all the time apart from the intraductal sample liquid level highly uniform of centrifuging, the effectual air-blowing efficiency that has improved, gas emission is reduced, can make the solution sample in the centrifuging tube and nitrogen gas mix more evenly through instant subassembly, and then can promote the concentrated efficiency of nitrogen blowing appearance greatly, the cost consumption is reduced effectively.

Description

But test-tube rack automatic rising's nitrogen blows appearance

Technical Field

The utility model relates to an analytical instrument technical field specifically is a but nitrogen of test-tube rack automatic rising blows appearance.

Background

The nitrogen blowing instrument is used for concentrating a sample by blowing nitrogen into the surface of the heated sample, has the characteristics of time saving, convenient operation, easy control and the like, can quickly obtain an expected result, and is widely applied to industries of pesticide residue analysis, commercial inspection, food, environment, pharmacy, biological products and the like and sample preparation in liquid phase, gas phase and mass spectrometry.

Present nitrogen production blows the appearance when using, the centrifuging tube majority can be placed in the aquatic, at the whole in-process that descends of air-blowing needle module, if not demolish unnecessary air-blowing needle, it will be gone into the surface of water together, pollute the syringe needle, in next time concentrating, pollute the sample, if demolish unnecessary air-blowing needle will be very loaded down with trivial details, at present in order to reduce manual operation, can place the centrifuging tube of equal figure on the test-tube rack, when needs use the instrument, replace the empty centrifuging tube of placing in advance with the sample, this operating means not only wastes time and energy, do not accord with the operation principle yet, there is air-blowing needle can be contaminated risk yet, simultaneously when concentrating a large amount of solution sample, the nitrogen blows the big and the slow problem of concentrated speed of the consumption that the appearance exists nitrogen gas, not only work efficiency has been reduced, the cost consumption has still been increased.

Therefore, a nitrogen blowing instrument with an automatically liftable test tube rack is needed at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but nitrogen that test-tube rack automatic rising blows the appearance in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but nitrogen of test-tube rack automatic rising blows appearance, includes base and shell, the last fixed surface of base installs the shell, the inside center department fixed mounting of shell has the dead lever, the surperficial swing joint of dead lever has the test-tube rack, the draw-in groove has been seted up on the surface of test-tube rack, the upper surface of base is located the equal fixed mounting in both sides of shell and has the protective housing, the inside fixed mounting of protective housing has elevating system, elevating system's output fixedly connected with joint is in the inside cutting ferrule of draw-in groove, the inside of shell is provided with instant subassembly.

Preferably, the four corners of the lower surface of the base are fixedly connected with anti-skidding wear-resistant pads, and the anti-skidding wear-resistant pads are made of rubber.

Preferably, the surface of the fixing rod is located above the test tube rack and is fixedly connected with a mounting disc, and an air blowing needle is arranged on the lower surface of the mounting disc.

Preferably, elevating system includes gear motor, threaded rod, thread bush and L shape connecting rod, the inside fixed mounting of protective housing has gear motor, gear motor's output fixedly connected with threaded rod, the surperficial swing joint of threaded rod has the thread bush, one side fixedly connected with L shape connecting rod of thread bush.

Preferably, the instant subassembly includes spout, slider, spring, vibrations board, miniature electromagnetic shaker and supersonic generator, the spout has been seted up to the inside wall of shell, the inside of spout is provided with the slider, the bottom fixedly connected with spring of slider, one side fixedly connected with vibrations board of slider, the lower surface of vibrations board is provided with miniature electromagnetic shaker, the upper surface of vibrations board is provided with supersonic generator.

Preferably, the inner wall of the shell is provided with an electromagnetic heating plate, and one side of the shell is fixedly connected with a drain pipe.

Preferably, the upper surface center department of test-tube rack has seted up the connecting hole, the mounting groove has been seted up to one side of connecting hole, the inside fixed mounting of mounting groove has electric telescopic handle, electric telescopic handle's output fixedly connected with arc splint.

Preferably, the bearing is fixedly mounted at the end part, located at the threaded rod, of the inner top wall of the protective shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an elevating system's setting, gear motor during operation drives the threaded rod and rotates, it carries out longitudinal movement to drive the thread bush simultaneously, can drive L shape connecting rod when the thread bush longitudinal movement carries out the crammed motion, thereby drive cutting ferrule and test-tube rack and carry out the crammed motion, highly adjusting the test-tube rack, thereby avoid the operation of highly blowing of the air blowing needle of needs transferring, and need not to place empty centrifuging tube on the test-tube rack, guaranteed that the air blowing needle is all the time apart from the intraductal sample liquid level highly uniform of centrifuging tube, the effectual air blowing efficiency that has improved, gas emission is reduced.

2. The utility model discloses a setting of instant subassembly, through the vibrations of miniature electromagnetic shaker during operation production, conduct the vibration board and produce the low frequency and vibrate, start supersonic generator simultaneously, make it produce the high frequency and vibrate, the high frequency vibration of the low frequency that produces through miniature electromagnetic shaker and supersonic generator produces combines together, can make solution sample and nitrogen gas in the centrifuging tube mix more evenly, and then can promote the concentration efficiency of nitrogen blowing appearance greatly, the cost consumption has been reduced effectively.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the test tube rack of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a housing; 3. fixing the rod; 4. a test tube rack; 5. a card slot; 6. a protective shell; 7. a lifting mechanism; 701. a reduction motor; 702. a threaded rod; 703. a threaded sleeve; 704. an L-shaped connecting rod; 8. a card sleeve; 9. a quick dissolving assembly; 901. a chute; 902. a slider; 903. a spring; 904. a vibration plate; 905. a micro vibrator; 906. an ultrasonic generator; 10. an anti-skid wear pad; 11. mounting a disc; 12. air-blowing needle; 13. an electromagnetic heating plate; 14. a drain pipe; 15. connecting holes; 16. mounting grooves; 17. an electric telescopic rod; 18. an arc-shaped splint; 19. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a nitrogen blowing instrument with a test tube rack capable of automatically lifting comprises a base 1 and a shell 2, wherein the shell 2 is fixedly arranged on the upper surface of the base 1, a fixed rod 3 is fixedly arranged at the center of the inside of the shell 2, the surface of the fixed rod 3 is movably connected with the test tube rack 4, a clamping groove 5 is formed in the surface of the test tube rack 4, protective housings 6 are fixedly arranged on the two sides of the shell 2 on the upper surface of the base 1, a lifting mechanism 7 is fixedly arranged in each protective housing 6, the height of the test tube rack 4 is effectively adjusted through the arrangement of the lifting mechanism 7, so that the operation of blowing by adjusting the height of an air blowing needle 12 is avoided, an empty centrifuge tube is not required to be placed on the test tube rack 4, the air blowing needle 12 is always consistent with the height of a sample liquid level in the centrifuge tube, the air blowing efficiency is effectively improved, the gas discharge amount is reduced, the output end of the lifting mechanism 7 is fixedly connected with an 8 clamped in the clamping groove 5, the inside of shell 2 is provided with instant subassembly 9, through the setting of instant subassembly 9, can make the solution sample in the centrifuging tube and nitrogen gas mixture more even, and then can promote the concentration efficiency that the nitrogen blown the appearance greatly, has reduced cost consumption effectively.

Further, the equal fixedly connected with antiskid wear pad 10 in lower surface four corners of base 1, antiskid wear pad 10's material is rubber, and antiskid wear pad 10 of rubber material has characteristics such as antiskid, wear-resisting and ageing-resistant, can make base 1's support more stable.

Further, the surface of dead lever 3 is located the top fixedly connected with mounting disc 11 of test-tube rack 4, and the lower surface of mounting disc 11 is provided with air-blowing needle 12, fixes air-blowing needle 12 through mounting disc 11, blows in nitrogen gas through air-blowing needle 12 inside the centrifuge tube.

Further, the lifting mechanism 7 comprises a speed reducing motor 701, a threaded rod 702, a threaded sleeve 703 and an L-shaped connecting rod 704, the speed reducing motor 701 is fixedly installed inside the protective shell 6, the output end of the speed reducing motor 701 is fixedly connected with the threaded rod 702, the surface of the threaded rod 702 is movably connected with the threaded sleeve 703, one side of the threaded sleeve 703 is fixedly connected with the L-shaped connecting rod 704, the speed reducing motor 701 drives the threaded rod 702 to rotate and simultaneously drives the threaded sleeve 703 to longitudinally move when working, the threaded sleeve 703 can drive the L-shaped connecting rod 704 to longitudinally move while longitudinally moving, so as to drive the clamping sleeve 8 and the test tube rack 4 to longitudinally move, the height of the test tube rack 4 is adjusted, thereby avoiding the operation of adjusting the height of the air blowing needle 12 to blow air, and the condition that the air blowing needle 12 is always consistent with the sample liquid level in the centrifugal tube without placing an empty centrifugal tube on the test tube 4, the air blowing efficiency is effectively improved, and the gas emission is reduced.

Further, the instant dissolving component 9 comprises a sliding groove 901, a sliding block 902, a spring 903, a vibrating plate 904, a micro vibrator 905 and an ultrasonic generator 906, the sliding groove 901 is formed in the inner side wall of the shell 2, the sliding block 902 is arranged inside the sliding groove 901, the spring 903 is fixedly connected to the bottom of the sliding block 902, the vibrating plate 904 is fixedly connected to one side of the sliding block 902, the micro vibrator 905 is arranged on the lower surface of the vibrating plate 904, the ultrasonic generator 906 is arranged on the upper surface of the vibrating plate 904, vibration is generated during working through the micro vibrator 905, low-frequency vibration is generated by conducting the vibrating plate 904, the ultrasonic generator 906 is started simultaneously to generate high-frequency vibration, low-frequency vibration generated through the micro vibrator 905 and high-frequency vibration generated by the ultrasonic generator 906 are combined, the mixing of a solution sample and nitrogen in a centrifugal tube can be more uniform, and the concentration efficiency of the nitrogen blowing instrument can be greatly improved, the cost consumption is effectively reduced.

Further, an electromagnetic heating plate 13 is disposed on an inner wall of the housing 2, a drain pipe 14 is fixedly connected to one side of the housing 2, water inside the housing 2 is heated by the electromagnetic heating plate 13, and used water is discharged through the drain pipe 14.

Further, connecting hole 15 has been seted up in the upper surface center department of test-tube rack 4, and mounting groove 16 has been seted up to one side of connecting hole 15, and the inside fixed mounting of mounting groove 16 has electric telescopic handle 17, and electric telescopic handle 17's output fixedly connected with arc splint 18 extends through electric telescopic handle 17, makes arc splint 18 paste tight dead lever 3 to can make the fixed more stable of test-tube rack 4.

Further, a bearing 19 is fixedly mounted on the end portion, located at the threaded rod 702, of the inner top wall of the protective shell 6, so that friction force generated when the threaded rod 702 rotates can be effectively reduced through the bearing 19, and the service life of the threaded rod is prolonged.

The working principle is as follows: gear motor 701 during operation drives threaded rod 702 and rotates, it carries out longitudinal movement to drive thread bush 703 simultaneously, thread bush 703 longitudinal movement can drive L shape connecting rod 704 simultaneously and carry out the line and move, thereby drive cutting ferrule 8 and test-tube rack 4 and carry out the line and move, highly adjusting test-tube rack 4, thereby avoid the operation of highly blowing that need adjust air blowing needle 12, and need not to place empty centrifuging tube on test-tube rack 4, guaranteed that air blowing needle 12 is all the time apart from the sample liquid level highly uniform in the centrifuging tube, the effectual efficiency of blowing that has improved, gas emission is reduced, and can make the solution sample in the centrifuging tube mix more evenly with nitrogen gas through instant subassembly 9, and then can promote nitrogen blower's concentrated efficiency greatly, the cost-consuming has been reduced effectively.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but test-tube rack automatic rising's nitrogen blows appearance, includes base (1) and shell (2), its characterized in that: the utility model discloses a test tube, including base (1), the last fixed surface of base (1) installs shell (2), the inside center department fixed mounting of shell (2) has dead lever (3), the surperficial swing joint of dead lever (3) has test-tube rack (4), draw-in groove (5) have been seted up on the surface of test-tube rack (4), the upper surface of base (1) is located the equal fixed mounting in both sides of shell (2) and has protective housing (6), the inside fixed mounting of protective housing (6) has elevating system (7), the output fixedly connected with joint of elevating system (7) is in inside cutting ferrule (8) of draw-in groove (5), the inside of shell (2) is provided with instant subassembly (9).

2. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: the anti-skidding wear-resistant pad is characterized in that four corners of the lower surface of the base (1) are fixedly connected with anti-skidding wear-resistant pads (10), and the anti-skidding wear-resistant pads (10) are made of rubber.

3. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: the surface of dead lever (3) is located the top fixedly connected with mounting disc (11) of test-tube rack (4), the lower surface of mounting disc (11) is provided with air-blowing needle (12).

4. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: elevating system (7) include gear motor (701), threaded rod (702), thread bush (703) and L shape connecting rod (704), the inside fixed mounting of protective housing (6) has gear motor (701), the output fixedly connected with threaded rod (702) of gear motor (701), the surperficial swing joint of threaded rod (702) has thread bush (703), one side fixedly connected with L shape connecting rod (704) of thread bush (703).

5. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: instant subassembly (9) include spout (901), slider (902), spring (903), vibrations board (904), miniature electromagnetic shaker (905) and supersonic generator (906), spout (901) have been seted up to the inside wall of shell (2), the inside of spout (901) is provided with slider (902), the bottom fixedly connected with spring (903) of slider (902), one side fixedly connected with vibrations board (904) of slider (902), the lower surface of vibrations board (904) is provided with miniature electromagnetic shaker (905), the upper surface of vibrations board (904) is provided with supersonic generator (906).

6. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: the inner wall of shell (2) is provided with electromagnetic heating board (13), one side fixedly connected with drain pipe (14) of shell (2).

7. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 1, is characterized in that: connecting hole (15) have been seted up to the upper surface center department of test-tube rack (4), mounting groove (16) have been seted up to one side of connecting hole (15), the inside fixed mounting of mounting groove (16) has electric telescopic handle (17), the output fixedly connected with arc splint (18) of electric telescopic handle (17).

8. The nitrogen blowing instrument with the test tube rack capable of automatically lifting according to claim 4, is characterized in that: and a bearing (19) is fixedly arranged at the end part of the inner top wall of the protective shell (6) positioned on the threaded rod (702).