CN215612388U

CN215612388U - High-speed centrifuge pivot with installation limit structure

Info

Publication number: CN215612388U
Application number: CN202122212757.5U
Authority: CN
Inventors: 顾方敏; 陈天平; 张兵; 陈忠明; 曹勇
Original assignee: Shanghai Tianan Chemical Equipment Co ltd
Current assignee: Shanghai Tianan Chemical Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-25
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a high-speed centrifuge rotating shaft with an installation limiting structure, which comprises a rotating part, wherein a convex block is fixedly connected to the outer surface of the rotating part, a cylinder seat is movably connected to the outer surface of the rotating part, a groove is formed in one side, close to the convex block, of the inner side surface of the cylinder seat, and a supporting plate is fixedly connected to the outer surface of the cylinder seat. According to the high-speed centrifuge rotating shaft with the installation limiting structure, the lug and the groove are mutually clamped through the lug, the groove, the buckle and the bearing, so that the rotor and the rotating part integrally rotate, the position between the rotor and the rotating part is not easy to deviate and shake, the deflection resistance of the rotating shaft is improved, the concentricity is ensured to be the same, and the buckle is clamped in the first limiting groove, so that the rotor can be firmly and stably fixed, the rotor can conveniently rotate the rotating shaft body, the bearing provides deformation restoring acting force for clamping the rotating part, and the rotor and the rotating shaft are not easy to deviate and shake.

Description

High-speed centrifuge pivot with installation limit structure

Technical Field

The utility model belongs to the technical field of centrifuges, and particularly relates to a high-speed centrifuge rotating shaft with an installation limiting structure.

Background

High-speed centrifuge belongs to conventional laboratory centrifuge, extensively be used for scientific research education and production departments such as biology, chemistry, medicine, it utilizes the powerful centrifugal force of the high-speed rotatory production of rotor, each component in separation liquid and solid particle or the liquid mixture, as power take-off through the motor, the power that the rotor rotated the production is exported through the pivot, the concentricity has the deviation when the pivot of current centrifuge motor shell and rotor rotates, mutual position takes place the off normal easily, this not only can influence the rotation effect of rotor, still can make the motor rock and rub at the rotation in-process and produce the noise and wear and tear the damage even.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-speed centrifuge rotating shaft with an installation limiting structure, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a high-speed centrifuge rotating shaft with an installation limiting structure comprises a rotating part, wherein a convex block is fixedly connected to the outer surface of the rotating part, a barrel seat is movably connected to the outer surface of the rotating part, a groove is formed in one side, close to the convex block, of the inner side surface of the barrel seat, a supporting plate is fixedly connected to the outer surface of the barrel seat, and a rotor is fixedly connected to the outer surface of the supporting plate; the utility model discloses a quick-witted cylinder seat, including a rotation piece, a barrel seat, a first spacing groove has been seted up to the surface of rotating the piece and is close to one side of barrel seat, the inside swing joint in first spacing groove has the buckle, the surface of rotating the piece is close to the opposite side of barrel seat and has seted up the second spacing groove, the inside swing joint in second spacing groove has the bearing.

In order to prevent the rotating shaft from rotating to generate noise, the rotating shaft of the high-speed centrifuge with the installation limiting structure is provided with a ball movably connected to one side of the inner side surface of the bearing, and an elastic ring is movably connected to the outer surface of the ball.

In order to enhance the limiting effect, the high-speed centrifuge rotating shaft with the installation limiting structure is provided with the limiting ring fixedly connected to the other side of the inner side surface of the bearing.

In order to facilitate the heat dissipation effect of the rotating shaft, the rotating shaft of the high-speed centrifuge with the installation limiting structure is provided with the connecting piece movably connected to one side, close to the second limiting groove, of the outer surface of the rotating piece, and the outer surface of the connecting piece is fixedly connected with the blades.

In order to enhance the effect of heat dissipation, the blade is movably connected with an extension plate inside as the high-speed centrifuge rotating shaft with the installation limiting structure.

In order to facilitate the effect of adjusting the air volume, the high-speed centrifuge rotating shaft with the installation limiting structure is provided with adjusting holes on the outer surfaces of the extending plate and the blades, and fixing bolts are movably connected inside the adjusting holes.

In order to facilitate the installation and fixation effect, the high-speed centrifuge rotating shaft with the installation limiting structure is provided with the placing groove in the connecting piece, the spring is fixedly connected in the placing groove, and one end of the spring is fixedly connected with the top block.

In order to facilitate the connection of other elements, the rotating shaft of the high-speed centrifuge with the installation limiting structure is provided with the threaded column fixedly connected to one end of the outer surface of the rotating part.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the convex block, the groove, the buckle and the bearing, the convex block and the groove are mutually clamped, so that the rotor and the rotating member integrally rotate, the position between the rotor and the rotating member is not easy to deviate and rock, the deflection resistance of the rotating shaft is improved, the concentricity is ensured to be the same, meanwhile, the rotor is prevented from shaking, generating noise by friction or even being worn and damaged in the rotating process, and is not easy to be subjected to external transverse force, the buckle is clamped in the first limiting groove, so that the rotor is firmly and stably fixed, the rotor is convenient to rotate the rotating shaft body, the longitudinal movement of the rotating member is effectively prevented, the rotor is limited, the play is prevented from being overlarge, the rotating shaft is more stably rotated, the bearing provides deformation restoring acting force for clamping the rotating member, and the position between the rotor and the rotating shaft is not easy to deviate and rock.

2. According to the utility model, through the arrangement of the elastic ring, the limiting ring, the blades and the extension plate, the elastic ring has elasticity and can stretch out and draw back along with the rotation of the rotating piece, the noise generated by the bearing in the operation process of the motor is reduced, so that the centrifugal machine has a good silencing effect, when the rotating piece moves in the barrel seat, the limiting ring and the bearing are mutually attached and pressed, the stable operation of the rotating shaft is continuously kept, the blades can rotate along with the rotating shaft, the rotating shaft can be cooled, the extension plate can be stretched and adjusted in the blades, the air volume can be controlled, the adjustment and the use can be conveniently carried out according to actual requirements and actual use conditions, the practicability is strong, and the adjustment is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a high-speed centrifuge rotating shaft with an installation limiting structure in a front view according to embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a rotating member of a rotating shaft of a high-speed centrifuge with an installation limiting structure according to embodiment 1 of the present invention;

FIG. 3 is a schematic view of a bearing structure of a rotating shaft of a high-speed centrifuge with an installation limiting structure according to embodiment 1 of the present invention;

FIG. 4 is a schematic structural diagram of a rotor of a high-speed centrifuge rotating shaft with an installation limiting structure in embodiment 1 of the present invention;

FIG. 5 is a schematic view of a connecting member of a rotating shaft of a high-speed centrifuge with an installation limiting structure according to embodiment 1 of the present invention;

fig. 6 is a schematic view of installation of a threaded column structure in embodiment 2 of the present invention.

In the figure: 1. a rotating member; 2. a bump; 3. a cartridge holder; 4. a groove; 5. a support plate; 6. a rotor; 7. a first limit groove; 8. buckling; 9. a second limit groove; 10. a bearing; 11. a ball bearing; 12. an elastic ring; 13. a limiting ring; 14. a connecting member; 15. a blade; 16. an extension plate; 17. an adjustment hole; 18. a fixing bolt; 19. a placement groove; 20. a spring; 21. a top block; 22. a threaded post.

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.

Example 1

As shown in fig. 1-5, a rotating shaft of a high-speed centrifuge with an installation limiting structure comprises a rotating member 1, a bump 2 is fixedly connected to the outer surface of the rotating member 1, a cylinder base 3 is movably connected to the outer surface of the rotating member 1, a groove 4 is formed in one side of the inner side surface of the cylinder base 3, which is close to the bump 2, a supporting plate 5 is fixedly connected to the outer surface of the cylinder base 3, and a rotor 6 is fixedly connected to the outer surface of the supporting plate 5;

in this embodiment, a first limiting groove 7 is formed in one side, close to the barrel base 3, of the outer surface of the rotating member 1, a buckle 8 is movably connected inside the first limiting groove 7, a second limiting groove 9 is formed in the other side, close to the barrel base 3, of the outer surface of the rotating member 1, and a bearing 10 is movably connected inside the second limiting groove 9.

When the rotating shaft is used specifically, the rotating part 1 is arranged in an integrated manner through the arrangement of the rotating part 1, so that the structure of the rotating shaft body is simple, the structural strength is high, the barrel seat 3 is sleeved from one end of the rotating part 1, the lug 2 and the groove 4 are clamped with each other, the rotor 6 and the rotating part 1 integrally rotate, the position between the rotor 6 and the rotating part 1 is not easy to deviate and rock, the deflection resistance of the rotating shaft is improved, the concentricity is ensured to be the same, meanwhile, the rotor 6 cannot generate the phenomena of rocking, noise generated by friction, even abrasion and damage and the like in the rotating process and is not easy to be subjected to external transverse force, the support plate 5 strengthens the connection strength between the rotor 6 and the barrel seat 3, the buckle 8 is clamped in the first limiting groove 7, so that the rotor 6 can be fixed firmly and stably, the rotation of the rotor 6 to the rotating shaft body is facilitated, the longitudinal movement of the rotating part 1 is effectively prevented, and the rotor 6 is limited, prevent that the drunkenness is too big for the pivot rotates more stably, and second spacing groove 9 internal connection has bearing 10, provides the deformation that presss from both sides tight rotation piece 1 and restores the effort, makes rotor 6 be difficult to the skew with the position of pivot and rocks.

In this embodiment, a ball 11 is movably connected to one side of the inner surface of the bearing 10, and an elastic ring 12 is movably connected to the outer surface of the ball 11.

During specific use, through the setting of elastic ring 12, ball 11 is convenient for the inside rotation of rotating 1 of bearing 10, and elastic ring 12 has elasticity, can rotate and stretch out and draw back along with rotating 1, has reduced the noise that motor operation in-process bearing 10 produced for centrifuge has good silence effect.

In this embodiment, a stop ring 13 is fixedly connected to the other side of the inner side surface of the bearing 10.

When the rotating part 1 moves in the barrel seat 3, the limiting ring 13 and the bearing 10 are mutually attached and pressed tightly through the arrangement of the limiting ring 13, and the stable operation of the rotating shaft is continuously kept.

In this embodiment, a connecting member 14 is movably connected to a side of the outer surface of the rotating member 1 close to the second limiting groove 9, and a blade 15 is fixedly connected to the outer surface of the connecting member 14.

When the heat dissipation device is used specifically, the blades 15 are arranged, the plurality of blades 15 are fixedly connected to the outer surface of the connecting piece 14 and can rotate along with the rotating shaft, and therefore heat can be dissipated to the rotating shaft.

In the present embodiment, an extension plate 16 is movably connected to the inside of the blade 15.

During the specific use, through the setting of extension board 16, extension board 16 can be in the inside flexible regulation of 15 inside blades, and steerable amount of wind is convenient for adjust the use according to actual demand and in-service use condition, and the practicality is strong, is convenient for adjust.

In this embodiment, the outer surfaces of the extension plate 16 and the blades 15 are both provided with adjusting holes 17, and fixing bolts 18 are movably connected inside the adjusting holes 17.

When the extension plate 16 is used specifically, the adjusting hole 17 is arranged, and the fixing bolt 18 is inserted into the adjusting hole 17 and used for fixing the extension plate 16.

In this embodiment, a placing groove 19 is opened inside the connecting member 14, a spring 20 is fixedly connected inside the placing groove 19, and one end of the spring 20 is fixedly connected with a top block 21.

During specific use, through the setting of kicking block 21, the inside spring 20 of standing groove 19 extends, makes kicking block 21 and rotates 1 surface and contact, installs through spring 20's elasticity, and the installation is dismantled conveniently, and stability is strong.

Working principle; the barrel base 3 is sleeved from one end of the rotating part 1, the lug 2 and the groove 4 are clamped with each other, so that the rotor 6 and the rotating part 1 integrally rotate, the position between the rotor 6 and the rotating part 1 is not easy to deviate and rock, the deflection resistance of the rotating shaft is improved, the concentricity is ensured to be the same, the support plate 5 strengthens the connection strength between the rotor 6 and the barrel base 3, the buckle 8 is clamped in the first limit groove 7, so that the rotor 6 is firmly and stably fixed, the rotation of the rotor 6 on the rotating shaft body is facilitated, the longitudinal movement of the rotating part 1 is effectively prevented, the bearing 10 is connected in the second limit groove 9, the deformation restoring acting force for clamping the rotating part 1 is provided, the positions of the rotor 6 and the rotating shaft are not easy to deviate and rock, the ball 11 is convenient for the rotation of the rotating part 1 in the bearing 10, the elastic ring 12 has elasticity and can extend and retract along with the rotation of the rotating part 1, and the noise generated by the bearing 10 in the operation process of the motor is reduced, spacing ring 13 compresses tightly with bearing 10 laminating each other, continue to keep the even running of pivot, the inside spring 20 of standing groove 19 extends, make kicking block 21 and rotate 1 surface and contact, the outer fixed surface of connecting piece 14 is connected with a plurality of blades 15, can follow the pivot and rotate, thereby can dispel the heat to the pivot, extension board 16 can be at the inside flexible regulation of blade 15, steerable amount of wind, use gim peg 18 to peg graft inside regulation hole 17, be used for fixed extension board 16.

Example 2

As shown in fig. 6, the distinguishing features of this embodiment that distinguish embodiment 1 are: one end of the outer surface of the rotating member 1 is fixedly connected with a threaded post 22.

During the concrete use, through the setting of screw thread post 22, screw thread post 22 is fixed in the one end that rotates piece 1, makes the pivot can dismantle the convenience with the installation of centrifuge bowl, adopts threaded connection more stable, need not other connected modes.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-speed centrifuge pivot with installation limit structure, includes and rotates piece (1), its characterized in that: the outer surface of the rotating part (1) is fixedly connected with a convex block (2), the outer surface of the rotating part (1) is movably connected with a cylinder base (3), one side, close to the convex block (2), of the inner side surface of the cylinder base (3) is provided with a groove (4), the outer surface of the cylinder base (3) is fixedly connected with a supporting plate (5), and the outer surface of the supporting plate (5) is fixedly connected with a rotor (6);

first spacing groove (7) have been seted up to one side that the surface of rotating piece (1) is close to barrel holder (3), the inside swing joint of first spacing groove (7) has buckle (8), the surface of rotating piece (1) is close to the opposite side of barrel holder (3) and has seted up second spacing groove (9), the inside swing joint of second spacing groove (9) has bearing (10).

2. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 1, wherein: one side of the inner side surface of the bearing (10) is movably connected with a ball (11), and the outer surface of the ball (11) is movably connected with an elastic ring (12).

3. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 1, wherein: and the other side of the inner side surface of the bearing (10) is fixedly connected with a limiting ring (13).

4. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 1, wherein: one side that the surface of rotating piece (1) is close to second spacing groove (9) swing joint has connecting piece (14), the surface fixed connection of connecting piece (14) has blade (15).

5. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 4, wherein: the interior of the blade (15) is movably connected with an extension plate (16).

6. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 5, wherein: adjusting holes (17) are formed in the outer surfaces of the extending plate (16) and the blades (15), and fixing bolts (18) are movably connected inside the adjusting holes (17).

7. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 4, wherein: a placing groove (19) is formed in the connecting piece (14), a spring (20) is fixedly connected to the inside of the placing groove (19), and an ejector block (21) is fixedly connected to one end of the spring (20).

8. The high-speed centrifuge rotating shaft with the installation limiting structure as claimed in claim 1, wherein: one end of the outer surface of the rotating part (1) is fixedly connected with a threaded column (22).