Splash-proof assembly of full-automatic azotometer

Abstract

The utility model discloses a splash-proof assembly of a full-automatic azotometer, and relates to the technical field of azotometers. The inner side of the upper end of the shell is fixedly connected with a first outlet, the lower side of the first outlet is fixedly connected with a pipeline, the lower end of the pipeline is inserted into a reagent bottle, the lower side of the reagent bottle is placed on a supporting plate, the side, close to the shell, of the supporting plate is fixedly connected to the shell, and the inner side of the end, away from the first outlet, of the shell is fixedly connected with a second outlet. A test tube is attached to the lower side of the second outlet, splash-proof mechanisms are arranged at the two ends of the test tube, each splash-proof mechanism comprises a collecting box, an external thread sleeve, a shielding unit, an elastic unit and a rolling unit, the lower end of the test tube is inserted into the collecting box, and the external thread sleeve is arranged on the outer side of the second outlet in a sleeving mode. Liquid splashing can be reduced through the splash-proof effect of the splash-proof mechanism on the test tube and the second outlet, so that the use convenience of the azotometer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen determination instruments, in particular to a splash-proof component of a full-automatic nitrogen determination instrument. Background Art

[0002] A nitrogen analyzer is a device for detecting protein content.

[0003] When the nitrogen analyzer detects protein, it is necessary to first inject an acidic liquid into the test tube, then place the item to be tested in the test tube, add a catalyst for catalysis, and then test it with the nitrogen analyzer. During the test, due to the reaction of the liquid in the test tube, some of the liquid will splash out of the test tube, and the splashed liquid is easy to fall on the table or the ground, thus affecting subsequent tests. Therefore, the upper side of the test tube is generally fitted with the liquid outlet to reduce the splash of the liquid.

[0004] The traditional fully automatic nitrogen analyzer splash-proof component adopts the fitting of the test tube mouth and the water outlet to prevent the splashing of liquid. Although this splash-proof component has a good protection effect, when the liquid in the test tube reacts violently, some liquid will still fly out of the test tube due to the large impact force, thereby affecting the subsequent detection of the staff. In view of the above problems, the inventor proposes a fully automatic nitrogen analyzer splash-proof component to solve the above problems. Utility Model Content

[0005] In order to solve the problem that the splash-proof effect of the splash-proof component of the full-automatic nitrogen analyzer is poor; the utility model aims to provide a splash-proof component of the full-automatic nitrogen analyzer.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: a splash-proof component of a fully automatic nitrogen analyzer, comprising a shell, the inner side of the upper end of the shell is fixedly connected to a first outlet, and the lower side of the first outlet is fixedly connected to a pipeline, the lower end of the pipeline is inserted in a reagent bottle, and the lower side of the reagent bottle is placed on a support plate, the side of the support plate close to the shell is fixedly connected to the shell, and the inner side of an end of the shell away from the first outlet is fixedly connected to a second outlet, the lower side of the second outlet is fitted with a test tube, and splash-proof mechanisms are arranged at both ends of the test tube, the splash-proof mechanism comprises a collecting box, an externally threaded sleeve, a shielding unit, an elastic unit and a rolling unit, and the lower end of the test tube is inserted in the collecting box, an externally threaded sleeve is sleeved on the outer side of the second outlet, and the outer side of the externally threaded sleeve is inserted and engaged in the shell, a shielding unit is arranged on the inner side of the lower end of the externally threaded sleeve, an elastic unit is arranged on the upper end of the shielding unit, and a rolling unit is arranged on the outer end of the shielding unit.

[0007] Preferably, an adjustment mechanism is arranged at the lower side of the collecting box, and the adjustment mechanism includes a transmission unit, a lifting unit and a limit unit. The transmission unit is arranged at the lower end of the outer shell, and the lifting unit is arranged at one end of the transmission unit inserted in the outer shell, and the limit unit is arranged at the upper end of the lifting unit. The shielding unit includes a shield and a slider, and the shield is inserted inside the lower end of the externally threaded sleeve, the outer side of the shield is sleeved on the second outlet and the outer side of the test tube, and the outer side of the upper end of the shield is fixedly connected to the slider, and the end of the slider away from the shield is inserted and slid in the externally threaded sleeve.

[0008] Preferably, the elastic unit includes a limit rod and a spring, and a limit rod is inserted into the end of the slider close to the protective cover, both sides of the limit rod are fixedly connected to the external threaded sleeve, and a spring is sleeved on the outer side of the upper end of the limit rod, the upper end of the spring is fixedly connected to the external threaded sleeve, and the lower end of the spring is fixedly connected to the slider, and the rolling unit includes a roller and a positioning rod, and a roller is inserted into the end of the slider away from the protective cover, the positioning rods are fixedly connected on both sides of the roller, and the side of the positioning rod away from the roller is transferred to the slider.

[0009] Preferably, the transmission unit includes a rotating plate, a transmission rod, a first gear and a second gear, and a rotating plate is arranged on the outer side of the lower end of the shell, the side of the rotating plate close to the shell is fixedly connected to the transmission rod, and the end of the transmission rod away from the rotating plate is inserted and connected in the shell, the side of the transmission rod away from the rotating plate is fixedly connected to the first gear, and the outer side of the upper end of the first gear is meshed with the second gear, and the lower side of the second gear is connected to the shell, the lifting unit includes an internal threaded rod, an external threaded rod and a top plate, the upper side of the second gear is fixedly connected to the internal threaded rod, the upper end of the internal threaded rod is inserted and meshed with the external threaded rod, and the upper side of the external threaded rod is fixedly connected to the top plate, the limiting unit includes an insert plate and a roller, the lower side of the outer end of the top plate is fixedly connected to the insert plate, the lower end of the insert plate is inserted in the shell, and the outer side of the lower end of the insert plate is fixedly connected to the limit block.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. By setting a splash-proof mechanism, firstly, the external threaded sleeve is sleeved and connected to the outer side of the second outlet and screwed into the outer shell for fixing, then the lower end of the test tube is inserted into the collection box, and then the shielding unit is manually pushed. The shielding unit moves the compressed elastic unit with the assistance of the rolling unit, and then the upper side of the test tube is fitted with the lower side of the second outlet, and then the shielding unit is loosened, so that the elastic unit pushes the shielding unit to be sleeved on the outside of the test tube to shield and splash the connection between the test tube and the second outlet, so that during the use of the nitrogen analyzer, the splash-proof effect of the test tube and the second outlet can be reduced by the splash-proof mechanism, thereby reducing the splashing of liquid, thereby improving the convenience of use of the nitrogen analyzer;

[0012] 2. By setting up the adjustment mechanism, when the length of the test tube changes, the lifting unit can be driven by the transmission unit to operate and adjust with the assistance of the limit unit. When the length of the test tube changes, the position of the collection box can be adjusted according to the length of the test tube, which is convenient for assisting the splash-proof mechanism and further improving the convenience of using the nitrogen analyzer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of an enlarged structural cross-section of the splash-proof mechanism of the utility model.

[0016] Figure 3 It is an enlarged schematic diagram of the structure of the roller and the positioning rod of the utility model.

[0017] Figure 4 It is an enlarged schematic diagram of the regulating mechanism structure of the utility model.

[0018] In the figure: 1. outer shell; 2. first outlet; 3. pipeline; 4. reagent bottle; 5. support plate; 6. second outlet; 7. test tube; 8. collection box; 9. external threaded sleeve; 10. shield; 11. slider; 12. limit rod; 13. spring; 14. roller; 15. positioning rod; 16. rotating plate; 17. transmission rod; 18. first gear; 19. second gear; 20. internal threaded rod; 21. external threaded rod; 22. top plate; 23. plug plate; 24. limit block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] Example: Figure 1-4As shown, the utility model provides a splash-proof component of a fully automatic nitrogen analyzer, comprising a shell 1, wherein the inner side of the upper end of the shell 1 is fixedly connected to a first outlet 2, and the lower side of the first outlet 2 is fixedly connected to a pipe 3, the lower end of the pipe 3 is inserted in a reagent bottle 4, and the lower side of the reagent bottle 4 is placed on a support plate 5, the side of the support plate 5 close to the shell 1 is fixedly connected to the shell 1, and the inner side of one end of the shell 1 away from the first outlet 2 is fixedly connected to a second outlet 6, the lower side of the second outlet 6 is fitted with a test tube 7, and splash-proof mechanisms are arranged at both ends of the test tube 7, the splash-proof mechanism comprises a collecting box 8, an externally threaded sleeve 9, a shielding unit, an elastic unit and a rolling unit, and the lower end of the test tube 7 is inserted in the collecting box 8, the outer side of the second outlet 6 is sleeved with an externally threaded sleeve 9, and the outer side of the externally threaded sleeve 9 is inserted and engaged in the shell 1, a shielding unit is arranged on the inner side of the lower end of the externally threaded sleeve 9, an elastic unit is arranged on the upper end of the shielding unit, and a rolling unit is arranged on the outer end of the shielding unit.

[0021] By adopting the above technical solution, the external threaded sleeve 9 is first sleeved and connected to the outside of the second outlet 6 and screwed into the outer shell 1 for fixation, and then the lower end of the test tube is inserted into the collecting box 8, and then the shielding unit is manually pushed. The shielding unit moves the compressed elastic unit with the assistance of the rolling unit, and then the upper side of the test tube 7 is fitted with the lower side of the second outlet 6, and then the shielding unit is loosened, so that the elastic unit pushes the shielding unit to be sleeved on the outside of the test tube 7 to shield the connection between the test tube 7 and the second outlet 6 to prevent splashing. By setting the splash-proof mechanism, the splash-proof effect at the test tube and the second outlet 6 can be achieved through the splash-proof mechanism during the use of the nitrogen analyzer, thereby reducing the splashing of liquid and improving the convenience of use of the nitrogen analyzer.

[0022] An adjustment mechanism is arranged at the lower side of the collecting box 8, and the adjustment mechanism includes a transmission unit, a lifting unit and a limit unit. The transmission unit is arranged at the lower end of the shell 1, and a lifting unit is arranged at one end of the transmission unit inserted in the shell 1, and a limit unit is arranged at the upper end of the lifting unit.

[0023] By adopting the above technical solution, when the length of the test tube 7 changes, the lifting unit can be driven by the transmission unit to operate and adjust with the assistance of the limit unit. By setting the adjustment mechanism, when the length of the test tube 7 changes, the position of the collecting box 8 can be adjusted according to the length of the test tube 7, which is convenient for assisting the splash-proof mechanism and further improving the convenience of use of the nitrogen analyzer.

[0024] The shielding unit includes a shield 10 and a slider 11, and the shield 10 is inserted into the lower end of the external threaded sleeve 9, the outer side of the shield 10 is sleeved on the outside of the second outlet 6 and the test tube 7, and the outer side of the upper end of the shield 10 is fixedly connected to the slider 11, and the end of the slider 11 away from the shield 10 is inserted and slid in the external threaded sleeve 9.

[0025] By adopting the above technical solution and providing the shield 10 and the slider 11 , the connection between the test tube 7 and the second outlet 6 can be easily splash-proofed.

[0026] The elastic unit includes a limit rod 12 and a spring 13, and the limit rod 12 is inserted into the end of the slider 11 close to the protective cover 10, the two sides of the limit rod 12 are fixedly connected to the external threaded sleeve 9, and the spring 13 is sleeved on the outer side of the upper end of the limit rod 12, the upper end of the spring 13 is fixedly connected to the external threaded sleeve 9, and the lower end of the spring 13 is fixedly connected to the slider 11.

[0027] By adopting the above technical solution and providing the limiting rod 12 and the spring 13, it is convenient to push the shield 10 and the slider 11 back to their original positions.

[0028] The rolling unit includes a roller 14 and a positioning rod 15 , and the roller 14 is inserted into the end of the slider 11 away from the shield 10 , the two sides of the roller 14 are fixedly connected to the positioning rod 15 , and the side of the positioning rod 15 away from the roller 14 is transferred to the slider 11 .

[0029] By adopting the above technical solution and providing the roller 14 and the positioning rod 15, the movement of the auxiliary shield 10 and the slider 11 is facilitated.

[0030] The transmission unit includes a rotating plate 16, a transmission rod 17, a first gear 18 and a second gear 19, and the rotating plate 16 is arranged on the outer side of the lower end of the shell 1, the side of the rotating plate 16 close to the shell 1 is fixedly connected to the transmission rod 17, and the end of the transmission rod 17 away from the rotating plate 16 is inserted and connected in the shell 1, the side of the transmission rod 17 away from the rotating plate 16 is fixedly connected to the first gear 18, and the outer side of the upper end of the first gear 18 is meshed with the second gear 19, and the lower side of the second gear 19 is connected to the shell 1.

[0031] By adopting the above technical solution, by arranging the rotating plate 16, the transmission rod 17, the first gear 18 and the second gear 19, it is convenient to provide power input.

[0032] The lifting unit includes an internal threaded rod 20 , an external threaded rod 21 and a top plate 22 , and the upper side of the second gear 19 is fixedly connected to the internal threaded rod 20 , an external threaded rod 21 is inserted into the upper end of the internal threaded rod 20 and engaged with the upper side of the external threaded rod 21 is fixedly connected to the top plate 22 .

[0033] By adopting the above technical solution, by providing the internal threaded rod 20, the external threaded rod 21 and the top plate 22, it is convenient to adjust the height of the top plate 22.

[0034] The limiting unit includes a plug plate 23 and a roller 14 , and the plug plate 23 is fixedly connected to the lower side of the outer end of the top plate 22 , the lower end of the plug plate 23 is inserted into the housing 1 , and the outer side of the lower end of the plug plate 23 is fixedly connected to the limiting block 24 .

[0035] By adopting the above technical solution and providing the insert plate 23 and the limit block 24 , it is convenient to limit the top plate 22 and the external threaded rod 21 .

[0036] Working principle: before placing the test tube 7, first sleeve the external threaded sleeve 9 on the outside of the second outlet 6 and then screw it into the shell 1. After the external threaded sleeve 9 is fixed, insert the lower end of the test tube 7 into the collecting box 8. At this time, the height of the collecting box 8 can be adjusted according to the height of the test tube 7. When adjusting, rotate the rotating plate 16. After the rotating plate 16 rotates, it drives the transmission rod 17 and the first gear 18 to rotate. After the first gear 18 rotates, it drives the internal threaded rod 20 to rotate through the engagement with the second gear 19. After the internal threaded rod 20 rotates, it engages with the external threaded rod 21, so that the external threaded rod 21 drives the top plate 22 and the collecting box 8 to move and adjust under the limit of the insert plate 23 and the limit block 24. When the collecting box 8 pushes the test tube 7 to a suitable position, stop rotating the rotating plate 16, and then push the shield 10 so that the shield 10 The push slider 11 compresses the spring 13 under the limit of the limit rod 12. At the same time, the slider 11 drives the roller 14 and the positioning rod 15 to move when moving, so that the roller 14 rolls in contact with the inner wall of the external threaded sleeve 9 under the limit of the positioning rod 15, thereby assisting the movement of the shield 10 and the slider 11. When the shield 10 pushes the slider 11 to the top, the upper side of the test tube 7 is fitted with the lower side of the second outlet 6. Then the shield 10 is released, and the elastic potential energy of the spring 13 is used to push the shield 10 and the slider 11 downward in the opposite direction, so that the shield 10 is sleeved on the outer side of the upper end of the test tube 7. When the liquid in the test tube 7 reacts violently and splashes out of the test tube 7, it will be blocked by the shield 10 and then drip into the collection box 8 for collection. After the test is completed, the shield 10 is pushed up first, and after taking out the test tube 7, the shield 10 is released and the collection box 8 is removed.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A splash-proof assembly for a fully automatic nitrogen analyzer, comprising a housing (1), characterized in that: The inner side of the upper end of the shell (1) is fixedly connected to the first outlet (2), and the lower side of the first outlet (2) is fixedly connected to the pipeline (3), the lower end of the pipeline (3) is inserted into the reagent bottle (4), and the lower side of the reagent bottle (4) is placed on the support plate (5), the side of the support plate (5) close to the shell (1) is fixedly connected to the shell (1), and the inner side of the end of the shell (1) away from the first outlet (2) is fixedly connected to the second outlet (6), the lower side of the second outlet (6) is in contact with the test tube (7), and the test tube (7) Anti-splash mechanisms are provided at both ends, the anti-splash mechanisms comprising a collecting box (8), an externally threaded sleeve (9), a shielding unit, an elastic unit and a rolling unit, and the lower end of the test tube (7) is inserted into the collecting box (8), the outer side of the second outlet (6) is sleeved with an externally threaded sleeve (9), and the outer side of the externally threaded sleeve (9) is inserted and engaged in the outer shell (1), the shielding unit is provided on the inner side of the lower end of the externally threaded sleeve (9), and the elastic unit is provided on the upper end of the shielding unit, and the rolling unit is provided on the outer end of the shielding unit.

2. The splash-proof assembly of a fully automatic nitrogen analyzer according to claim 1, characterized in that: An adjustment mechanism is arranged at the lower side of the collection box (8), and the adjustment mechanism comprises a transmission unit, a lifting unit and a limit unit; the transmission unit is arranged at the lower end of the housing (1), and the lifting unit is arranged at one end of the transmission unit inserted in the housing (1); and the limit unit is arranged at the upper end of the lifting unit.

3. The splash-proof assembly of a fully automatic nitrogen analyzer according to claim 1, characterized in that: The shielding unit comprises a shield (10) and a slider (11), and the shield (10) is inserted into the lower end of the externally threaded sleeve (9), the outer side of the shield (10) is sleeved on the second outlet (6) and the outer side of the test tube (7), and the outer side of the upper end of the shield (10) is fixedly connected to the slider (11), and the end of the slider (11) away from the shield (10) is inserted and slidable in the externally threaded sleeve (9).

4. A splash-proof assembly for a fully automatic nitrogen analyzer as claimed in claim 3, characterized in that: The elastic unit comprises a limit rod (12) and a spring (13), and the limit rod (12) is inserted into one end of the slider (11) close to the shield (10), the two sides of the limit rod (12) are fixedly connected to the external threaded sleeve (9), and the spring (13) is sleeved on the outer side of the upper end of the limit rod (12), the upper end of the spring (13) is fixedly connected to the external threaded sleeve (9), and the lower end of the spring (13) is fixedly connected to the slider (11).

5. The splash-proof assembly of a fully automatic nitrogen analyzer according to claim 3, characterized in that: The rolling unit comprises a roller (14) and a positioning rod (15), and the roller (14) is inserted into the end of the slider (11) away from the shield (10), the two sides of the roller (14) are fixedly connected to the positioning rod (15), and the side of the positioning rod (15) away from the roller (14) is connected to the slider (11).

6. A splash-proof assembly for a fully automatic nitrogen analyzer as claimed in claim 2, characterized in that: The transmission unit comprises a rotating plate (16), a transmission rod (17), a first gear (18) and a second gear (19), wherein the rotating plate (16) is arranged on the outer side of the lower end of the housing (1), the side of the rotating plate (16) close to the housing (1) is fixedly connected to the transmission rod (17), and the end of the transmission rod (17) away from the rotating plate (16) is inserted and connected in the housing (1), the side of the transmission rod (17) away from the rotating plate (16) is fixedly connected to the first gear (18), and the outer side of the upper end of the first gear (18) meshes with the second gear (19), and the lower side of the second gear (19) is connected to the housing (1).

7. A splash-proof assembly for a fully automatic nitrogen analyzer as claimed in claim 6, characterized in that: The lifting unit comprises an internally threaded rod (20), an externally threaded rod (21) and a top plate (22), wherein the upper side of the second gear (19) is fixedly connected to the internally threaded rod (20), an engaging externally threaded rod (21) is inserted inside the upper end of the internally threaded rod (20), and the upper side of the externally threaded rod (21) is fixedly connected to the top plate (22).

8. A splash-proof assembly for a fully automatic nitrogen analyzer as claimed in claim 7, characterized in that: The limiting unit comprises a plug plate (23) and a roller (14), and the lower side of the outer end of the top plate (22) is fixedly connected to the plug plate (23), the lower end of the plug plate (23) is inserted into the housing (1), and the outer side of the lower end of the plug plate (23) is fixedly connected to the limiting block (24).

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