Centrifugal machine with protective structure

Abstract

The centrifugal machine with the protection structure comprises a centrifugal machine body, an installation ring is arranged on the inner wall of the centrifugal machine body, a sliding groove is formed in one side wall in the installation ring, a connecting ring is installed in the sliding groove, and sliding balls are embedded in the outer wall of the connecting ring in a circumferential rotating mode. An oil injection hole is formed in one side of the top end of the mounting ring, and limiting cylinders are symmetrically fixed to the positions, located on the two sides of the oil injection hole, of the top end of the mounting ring. The oil injection device has the advantages that the oil injection hole is formed in one side of the top end of the mounting ring, an injector filled with lubricating oil is inserted into the limiting cylinder through the inserting column, then the injector can be stably fixed to the top of the mounting ring, and the lubricating oil can be injected into the sliding groove through the oil injection hole by pressing the injector; and the lubricating effect is achieved on the sliding balls in rotating contact with the sliding grooves, so that the friction force between the sliding balls and the sliding grooves in the rotating process is reduced, and the situation that the service life is affected due to abrasion caused by no lubricant between the sliding balls and the sliding grooves is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge technical field, concretely relates to a centrifuge with protection structure. BACKGROUND

[0002] The centrifuge is a kind of machinery that separates the components of liquid and solid particles or liquid and liquid mixture by centrifugal force, and is mainly used to separate solid particles in suspension liquid and liquid, or two kinds of liquid with different densities in emulsion.

[0003] The Chinese patent with publication number CN219187319U discloses an ultralow-temperature centrifuge with a protection structure, which includes a machine body, a protection cover connected to the top of the machine body through a hinge, and a machine body.

[0004] Although the above-mentioned patent reduces the friction of the sliding ring in the sliding groove during the rotation of the centrifugal barrel by cooperating the rotating ball with the sliding groove, the rotating ball and the sliding groove still contact and rub during the rotation of the centrifugal barrel. Long-term rotation and friction can cause the rotating ball to wear out, which will affect the service life of the rotating ball. Therefore, there is an urgent need for a new centrifuge with a protection structure to solve these problems. UTILITY MODEL CONTENT

[0005] (I) Technical problem to be solved

[0006] The technical problem to be solved by the utility model is to provide a centrifuge with a protection structure that is convenient to inject lubricating oil and reduces the wear of the sliding ball in view of the current status of the prior art.

[0007] (II) Technical scheme

[0008] The utility model discloses a centrifuge with a protection structure, which includes a centrifuge body, an installation ring is arranged on the inner wall of the centrifuge body, a sliding groove is formed on one side wall in the installation ring, a connecting ring is installed in the sliding groove, a sliding ball is circularly embedded on the outer wall of the connecting ring, an oil injection hole is formed on one side of the top end of the installation ring, limit cylinders are fixed on both sides of the oil injection hole on the top end of the installation ring, a plug column is connected in the limit cylinder, a syringe is arranged on the top end of the plug column, a centrifugal cylinder is installed on the inner wall of the connecting ring, a centrifugal motor is arranged at the center of the bottom end of the centrifuge body, and a sealing cover is connected to the bottom end of the centrifuge body.

[0009] Further, a box door is installed on one side wall of the centrifuge body, a supporting column is fixed on the bottom end of the centrifuge body, and an inner cavity is formed in the inner wall of the centrifuge.

[0010] By adopting the technical scheme, the centrifuge body can firmly fix the box door, and the supporting column can stably support the centrifuge body.

[0011] Further, the centrifuge body is bolted with the mounting ring, the chute is formed on the side wall of the mounting ring, and the chute is rotationally connected with the connecting ring.

[0012] By adopting the technical scheme, the centrifuge body can better fix the mounting ring, and the chute can facilitate the connection of the connecting ring and the mounting ring.

[0013] Further, the centrifuge body is hingedly connected with the box door, the centrifuge body is bolted with the supporting column, the inner cavity is formed in the inner wall of the centrifuge body, the inner cavity is provided with a heat insulation and cold insulation layer, and the centrifuge body side wall is connected with a liquid inlet penetrating the inner cavity.

[0014] By adopting the technical scheme, the inner cavity can better hold liquid nitrogen, the heat insulation and cold insulation layer can reduce the volatilization of liquid nitrogen, and the liquid inlet can better inject liquid nitrogen into the inner cavity.

[0015] Further, the connecting ring and the chute are both rolling connected with the sliding ball, the sliding ball is made of stainless steel, and the oil injection hole is formed at the top end of the mounting ring.

[0016] By adopting the technical scheme, the sliding ball can reduce the friction area of the connecting ring in the chute, the oil injection hole can facilitate the injection of lubricating oil into the chute, and the sliding ball and the chute are lubricated.

[0017] Further, the mounting ring is welded with the limiting cylinder, the limiting cylinder is slidingly connected with the insertion column, the insertion column is bonded with the syringe, and the injection tube at the bottom end of the syringe penetrates the oil injection hole and extends into the chute.

[0018] By adopting the technical scheme, the mounting ring can firmly fix the limiting cylinder, the limiting cylinder and the insertion column can stably install the syringe on the mounting ring, and the syringe can better store lubricating oil and facilitate the injection of lubricating oil into the chute.

[0019] Further, the connecting ring is bolted with the centrifuge cylinder, the centrifuge body is bolted with the centrifugal motor, the power output shaft of the centrifugal motor is keyed connected with the centrifuge cylinder penetrating the centrifuge body, and the centrifuge body is hingedly connected with the sealing cover.

[0020] By adopting the above technical solution, the connecting ring can improve the stability of the centrifuge drum rotation, the centrifuge motor can more easily drive the centrifuge drum to rotate within the centrifuge body, and the sealing cover can more easily open the centrifuge body to put in the liquid.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, this utility model has the following advantages:

[0023] To address the problem that existing centrifuges with protective structures still experience friction between the ball bearings and the groove during centrifuge drum rotation, leading to wear and reduced lifespan due to prolonged rotational friction, this invention addresses this issue by creating an oil injection hole on one side of the mounting ring. A syringe filled with lubricating oil is inserted into the limiting cylinder via a plunger, securing the syringe firmly to the top of the mounting ring. Pressing the syringe injects lubricating oil into the groove through the injection hole, lubricating the ball bearings in rotational contact with the groove. This reduces friction between the ball bearings and the groove during rotation, preventing wear caused by insufficient lubricant and extending the centrifugal lifespan. Attached Figure Description

[0024] Fig. 1 This is a schematic diagram of the structure of a centrifuge with a protective structure according to the present invention;

[0025] Fig. 2 This is a main sectional view of the centrifuge body in a centrifuge with a protective structure as described in this utility model;

[0026] Fig. 3 This is a schematic diagram of the installation ring, limiting cylinder, and syringe in a centrifuge with a protective structure as described in this utility model.

[0027] The annotations in the attached figures are explained as follows:

[0028] 1. Centrifuge body; 2. Mounting ring; 3. Slide groove; 4. Connecting ring; 5. Slip ball; 6. Oil injection hole; 7. Limiting cylinder; 8. Insertion column; 9. Syringe; 10. Centrifuge cylinder; 11. Centrifuge motor; 12. Sealing cover; 13. Chamber door; 14. Support column; 15. Inner cavity. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0030] like Figs. 1-3As shown, a centrifuge with a protective structure in this embodiment includes a centrifuge body 1. An mounting ring 2 is provided on the inner wall of the centrifuge body 1. A groove 3 is formed on one inner side wall of the mounting ring 2, and a connecting ring 4 is installed in the groove 3. The centrifuge body 1 can better fix the mounting ring 2, and the groove 3 facilitates the connection between the connecting ring 4 and the mounting ring 2. A ball bearing 5 is rotatably embedded in the outer wall of the connecting ring 4 in a circumferential shape. An oil injection hole 6 is provided on one side of the top of the mounting ring 2. The ball bearing 5 reduces the friction area of ​​the connecting ring 4 in the groove 3, and the oil injection hole 6 facilitates the injection of lubricating oil into the groove 3 to lubricate the ball bearing 5 and the groove 3. The top of the mounting ring 2 is located at the oil injection hole 6. The limiting cylinders 7 are symmetrically fixed on both sides. The limiting cylinders 7 are connected to the inserts 8. The top of the inserts 8 is equipped with a syringe 9. The mounting ring 2 can more firmly fix the limiting cylinders 7. The limiting cylinders 7 and the inserts 8 cooperate to make the syringe 9 stably installed on the mounting ring 2. The syringe 9 can better store lubricating oil and facilitate the staff to inject the lubricating oil into the slide groove 3. The centrifuge cylinder 10 is installed on the inner wall of the connecting ring 4. The centrifuge motor 11 is centrally located at the bottom of the centrifuge body 1. The bottom of the centrifuge body 1 is connected to the sealing cover 12. The connecting ring 4 can improve the stability of the centrifuge cylinder 10 rotation. The centrifuge motor 11 can more easily drive the centrifuge cylinder 10 to rotate inside the centrifuge body 1.

[0031] like Figs. 1-3 As shown, in this embodiment, a door 13 is installed on one side wall of the centrifuge body 1, a support column 14 is fixed to the bottom of the centrifuge body 1, and an inner cavity 15 is opened in the inner wall of the centrifuge. The centrifuge body 1 can more firmly fix the door 13, and the support column 14 can more stably support the centrifuge body 1. The centrifuge body 1 is bolted to the mounting ring 2. A sliding groove 3 is formed on one side wall of the mounting ring 2 and is rotatably connected to the connecting ring 4. The centrifuge body 1 is hinged to the door 13 and bolted to the support column 14. The inner cavity 15 is formed in the inner wall of the centrifuge body 1 and is provided with a heat insulation and cold preservation layer. A liquid inlet is connected to the side wall of the centrifuge body 1 through the inner cavity 15. The inner cavity 15 can better hold liquid nitrogen. The heat insulation and cold preservation layer can reduce the evaporation of liquid nitrogen. The liquid filling port can better inject liquid nitrogen into the inner cavity 15. The connecting ring 4 and the sliding groove 3 are both connected to the sliding ball 5 in a rolling manner. The sliding ball 5 is made of stainless steel. The oil injection hole 6 is formed on the top of the mounting ring 2. The mounting ring 2 is welded to the limiting cylinder 7. The limiting cylinder 7 is slidably connected to the insertion post 8. The insertion post 8 is bonded to the syringe 9. The injection tube at the bottom of the syringe 9 passes through the oil injection hole 6 and extends into the sliding groove 3. The connecting ring 4 is bolted to the centrifuge cylinder 10. The centrifuge body 1 is bolted to the centrifuge motor 11. The power output shaft of the centrifuge motor 11 passes through the centrifuge body 1 and is keyed to the centrifuge cylinder 10. The centrifuge body 1 is hinged to the sealing cover 12. The sealing cover 12 can make it easier to open the centrifuge body 1 and put in the liquid.

[0032] The specific implementation process of the embodiment is as follows: in use, first, the centrifuge body 1 is opened through the sealing cover 12, the liquid to be centrifuged is placed in the centrifuge cylinder 10, and then the sealing cover 12 is closed, then liquid nitrogen is injected into the inner cavity 15 through the liquid inlet on the side wall of the centrifuge body 1, the oil injection hole 6 is opened on one side of the top end of the mounting ring 2, the syringe 9 full of lubricating oil is inserted into the limiting cylinder 7 through the insertion column 8, the syringe 9 is stably fixed on the top of the mounting ring 2, and the lubricating oil is injected into the sliding groove 3 through the oil injection hole 6 by pressing the syringe 9, the sliding ball 5 in rotating contact with the sliding groove 3 is lubricated, so that the friction between the sliding ball 5 and the sliding groove 3 in the rotating process is reduced, and wear between the sliding ball 5 and the sliding groove 3 without lubricant is avoided, thereby prolonging the service life.

[0033] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A centrifuge with a protective structure, characterized in that: The centrifuge body (1) includes an installation ring (2) on the inner wall of the centrifuge body (1), a groove (3) on one side wall of the installation ring (2), a connecting ring (4) installed in the groove (3), a ball bearing (5) rotatably embedded in the outer wall of the connecting ring (4), an oil injection hole (6) on one side of the top of the installation ring (2), a limit cylinder (7) symmetrically fixed on both sides of the oil injection hole (6) at the top of the installation ring (2), a plug (8) connected inside the limit cylinder (7), a syringe (9) provided at the top of the plug (8), a centrifuge cylinder (10) installed on the inner wall of the connecting ring (4), a centrifuge motor (11) centrally located at the bottom of the centrifuge body (1), and a sealing cap (12) connected to the bottom of the centrifuge body (1).

2. A centrifuge with a protective structure according to claim 1, characterized in that: A door (13) is installed on one side wall of the centrifuge body (1), a support column (14) is fixed at the bottom of the centrifuge body (1), and an inner cavity (15) is opened on the inner wall of the centrifuge.

3. A centrifuge with a protective structure according to claim 1, characterized in that: The centrifuge body (1) is bolted to the mounting ring (2), the slide groove (3) is formed on one side wall of the mounting ring (2), and the slide groove (3) is rotatably connected to the connecting ring (4).

4. A centrifuge with a protective structure according to claim 2, characterized in that: The centrifuge body (1) is hinged to the door (13), the centrifuge body (1) is bolted to the support column (14), the inner cavity (15) is formed in the inner wall of the centrifuge body (1), the inner cavity (15) is provided with a heat insulation and cold preservation layer, and the side wall of the centrifuge body (1) is connected to the liquid inlet through the inner cavity (15).

5. A centrifuge with a protective structure according to claim 1, characterized in that: The connecting ring (4) and the sliding groove (3) are both rolledly connected to the sliding ball (5), which is made of stainless steel. The oil injection hole (6) is formed on the top of the mounting ring (2).

6. A centrifuge with a protective structure according to claim 1, characterized in that: The mounting ring (2) is welded to the limiting cylinder (7), the limiting cylinder (7) is slidably connected to the insert (8), the insert (8) is bonded to the syringe (9), and the injection tube at the bottom of the syringe (9) passes through the oil injection hole (6) and extends into the groove (3).

7. A centrifuge with a protective structure according to claim 1, characterized in that: The connecting ring (4) is bolted to the centrifuge cylinder (10), the centrifuge body (1) is bolted to the centrifuge motor (11), the power output shaft of the centrifuge motor (11) passes through the centrifuge body (1) and is keyed to the centrifuge cylinder (10), and the centrifuge body (1) is hinged to the sealing cover (12).

Images