CN216964965U

CN216964965U - Centrifuge driving device

Info

Publication number: CN216964965U
Application number: CN202220629956.8U
Authority: CN
Inventors: 魏林; 葛红卫
Original assignee: Henan Kunzhijie Industrial Co ltd
Current assignee: Henan Kunzhijie Industrial Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-15
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a centrifugal machine driving device, which relates to the technical field of centrifugal machines and comprises an installation box body, a rotating head and a rotating head seat, wherein the outer end of a pressing block is abutted to the inner surface of the rotating head, the inner side of a sliding rod is fixedly connected with a compression spring, the outer surface of a pull rod is fixedly connected with a top block, the other end of a fixed rod is rotatably connected with a second clamping rod through a rotating shaft, and a connecting bolt is inserted and penetrated in a connecting groove. According to the utility model, through arranging the inserting block, the pressing block, the pulling block, the gasket, the jacking block, the pull rod, the pull ring, the sliding rod and the compression spring, the installation and the disassembly of the rotary head are more convenient and quicker, time and labor are saved, and the purpose of convenient use is achieved.

Description

Centrifuge driving device

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a driving device of a centrifuge.

Background

The centrifugal machine is used for separating matter, belongs to basic laboratory equipment and is widely used in the fields of life science, medicine, chemistry, environmental protection and the like. A universal laboratory centrifuge is substantially identical in construction to a high speed centrifuge and essentially comprises: the driving device of the centrifuge is an important component of the centrifuge, the rotor driving device of the centrifuge can fix the rotor of the centrifuge on a driving motor, and the rotating center of a rotor and the rotating shaft of the motor are coaxial, so that the unbalance generated when the rotor rotates at high speed is greatly reduced, the balance rotation of the rotor of the centrifuge is guaranteed, the centrifuge of the same model can be provided with a plurality of rotors, and the rotor is frequently required to be replaced in use.

At present, current centrifuge turns round drive arrangement's turn round be not convenient for carry out the dismouting change, still need be with the help of the instrument when changing, cause the change process to waste time and energy, centrifuge turns round drive arrangement need maintain or change the bearing when using a period in addition, then owing to receive the influence of the fixed mode of bearing, cause its dismantlement process comparatively loaded down with trivial details, change the maintenance of drive arrangement for the later stage and bring not little puzzlement, consequently certain improvement space in addition.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a centrifuge driving apparatus, which solves the problems of the background art mentioned above.

(II) technical scheme

In order to realize the purpose, the utility model is realized by the following technical scheme: a centrifugal machine driving device comprises an installation box body, a rotating head and a rotating head seat, wherein an insert block is fixedly connected to the upper end of the rotating head seat, a pressing block is slidably connected to the inner side of the insert block, the outer end of the pressing block abuts against the inner surface of the rotating head, a pulling block is slidably connected to the inner portion of the insert block, a sliding rod is slidably connected to the inner portion of the pulling block, a compression spring is fixedly connected to the inner side of the sliding rod, a gasket is sleeved on the outer surface of the pulling block and abuts against the upper surface of the rotating head, the outer portion of the sliding rod abuts against the upper surface of the gasket, a pull rod is slidably connected to the inner portion of the pulling block, a jacking block is fixedly connected to the outer surface of the pull rod and abuts against the inner side of the sliding rod, a pull ring is fixedly connected to the upper end of the pull rod, a fixed rod is fixedly connected to the upper surface of the installation box body, and one end of the fixed rod is rotatably connected with a third clamping rod through a rotating shaft, the one end that the dead lever was kept away from to the third clamping bar is rotated through the pivot and is connected with first clamping bar, the one end fixedly connected with connecting bolt of third clamping bar is kept away from to first clamping bar, connecting bolt's surface threaded connection has the nut, the other end of dead lever is rotated through the pivot and is connected with the second clamping bar, the one end that the dead lever was kept away from to the second clamping bar has seted up the spread groove, connecting bolt pegs graft and runs through in the inside of spread groove, and the nut butt in the surface of second clamping bar.

Optionally, the rotating head abuts against the upper end of the rotating head seat, the rotating head is sleeved on the outer surface of the inserting block, and the pressing block is in an i-shaped shape.

Optionally, the pull block is T-shaped, the pull block abuts against the inner end of the press block, the slide bar is L-shaped, the outer end of the slide bar is inclined, and the other end of the compression spring is fixedly connected with the pull block.

Optionally, the shape of kicking block is the round platform type, and the kicking block slides and sets up in the inside of pulling the piece, the slide bar sets up in the periphery of pull rod.

Optionally, a motor is fixedly installed inside the installation box, the rotary head seat is sleeved at the upper end of an output shaft of the motor, a fastening bolt is connected to the lower portion of the rotary head seat in a threaded manner, and the rotary head seat is fixed to the output shaft of the motor through the fastening bolt.

Optionally, the inner sides of the first clamping rod, the second clamping rod, the fixed rod and the third clamping rod are all arc-shaped, a bearing is sleeved on the outer surface of the motor output shaft, and the inner sides of the first clamping rod, the second clamping rod, the fixed rod and the third clamping rod are all abutted to the outer surface of the bearing.

Advantageous effects

The utility model provides a centrifuge driving device, which has the following beneficial effects:

1. according to the centrifuge driving device, the insertion block, the pressing block, the pulling block, the gasket, the jacking block, the pull rod, the pull ring, the sliding rod and the compression spring are arranged, the outer end of the pressing block can be tightly extruded on the inner surface of the rotor by pulling the pull rod upwards through the pull ring, meanwhile, the outer end of the sliding rod can be abutted against the upper surface of the gasket, the rotor can be fixedly installed on the rotor seat just through the gasket due to downward pulling force of the sliding rod, and finally, the rotor can be installed and disassembled more conveniently and rapidly, time and labor are saved, and the purpose of convenience in use is achieved;

2. this centrifuge drive arrangement, through setting up the second clamping bar, the dead lever, the third clamping bar, first clamping bar, connecting bolt and nut, the nut accessible second clamping bar when screwing up the state, the dead lever, the tight clamp of first clamping bar and dead lever is at the surface of bearing, thereby realize the fixed mounting to the bearing, and unscrew the nut and can make the second clamping bar, the dead lever, third clamping bar and first clamping bar cancellation press from both sides the clamp tightly to the bearing, thereby pull down the bearing, this mechanism is through simplifying bearing dismouting process, can make installation and dismantlement to it more convenient quick, and then be convenient for the later stage maintain drive arrangement.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a top cross-sectional partial structural view of the present invention;

FIG. 4 is a schematic top perspective view of the swivel of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is a schematic top perspective partial structure of the present invention.

In the figure: 1. installing a box body; 2. a first clamping bar; 3. fastening a bolt; 4. turning the head; 5. a pull ring; 6. a turret base; 7. a bearing; 8. a motor; 9. inserting a block; 10. briquetting; 11. a top block; 12. a pull rod; 13. a slide bar; 14. a compression spring; 15. a gasket; 16. pulling the block; 17. a connecting bolt; 18. a nut; 19. a second clamping bar; 20. fixing the rod; 21. and a third clamping rod.

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.

Referring to fig. 1 to 6, the present invention provides a technical solution: a centrifugal machine driving device comprises an installation box body 1, a rotary head 4 and a rotary head seat 6, wherein the upper end of the rotary head seat 6 is fixedly connected with an insert block 9, the inner side of the insert block 9 is connected with a press block 10 in a sliding manner, the outer end of the press block 10 abuts against the inner surface of the rotary head 4, the rotary head 4 abuts against the upper end of the rotary head seat 6, the rotary head 4 is sleeved on the outer surface of the insert block 9, the press block 10 is I-shaped, the inner part of the insert block 9 is connected with a pull block 16 in a sliding manner, the inner part of the pull block 16 is connected with a slide rod 13 in a sliding manner, the inner side of the slide rod 13 is fixedly connected with a compression spring 14, the pull block 16 is T-shaped, the pull block 16 abuts against the inner end of the press block 10, the slide rod 13 is L-shaped, the outer end of the slide rod is inclined plane, the other end of the compression spring 14 is fixedly connected with the pull block 16, the outer surface of the pull block 16 is sleeved with a gasket 15, the gasket 15 abuts against the upper surface of the rotary head 4, and the outer part of the slide rod 13 abuts against the upper surface of the gasket 15, a pull rod 12 is slidably connected inside the pull block 16, an ejector block 11 is fixedly connected to the outer surface of the pull rod 12, the ejector block 11 abuts against the inner side of a sliding rod 13, the ejector block 11 is in a circular truncated cone shape, the ejector block 11 is slidably arranged inside the pull block 16, the sliding rod 13 is arranged on the periphery of the pull rod 12, a pull ring 5 is fixedly connected to the upper end of the pull rod 12, a fixed rod 20 is fixedly connected to the upper surface of the installation box body 1, one end of the fixed rod 20 is rotatably connected with a third clamping rod 21 through a rotating shaft, one end of the third clamping rod 21, which is far away from the fixed rod 20, is rotatably connected with a first clamping rod 2 through a rotating shaft, one end of the first clamping rod 2, which is far away from the third clamping rod 21, is fixedly connected with a connecting bolt 17, a nut 18 is connected to the outer surface of the connecting bolt 17 through a screw thread, the other end of the fixed rod 20 is rotatably connected with a second clamping rod 19 through a rotating shaft, and one end of the second clamping rod 19, which is far away from the fixed rod 20, is provided with a connecting groove, the connecting bolt 17 is inserted and penetrated in the connecting groove, the nut 18 abuts against the outer surface of the second clamping rod 19, the motor 8 is fixedly installed in the installation box body 1, the rotary head seat 6 is connected to the upper end of an output shaft of the motor 8 in a sleeved mode, the fastening bolt 3 is connected to the lower portion of the rotary head seat 6 in a threaded mode, the rotary head seat 6 is fixed to the output shaft of the motor 8 through the fastening bolt 3, the inner sides of the first clamping rod 2, the second clamping rod 19, the fixing rod 20 and the third clamping rod 21 are both arc-shaped, the bearing 7 is connected to the outer surface of the output shaft of the motor 8 in a sleeved mode, and the inner sides of the first clamping rod 2, the second clamping rod 19, the fixing rod 20 and the third clamping rod 21 abut against the outer surface of the bearing 7.

When in use, after the rotating head 4 is sleeved on the inserting block 9, the gasket 15 is sleeved on the upper part of the pulling block 16, then the pull rod 12 is pulled upwards through the pull ring 5, the pulling block 16 is driven by the ejecting block 11 to slide upwards in the inserting block 9, the inner end of the pressing block 10 is extruded outwards by the lower side of the pulling block 16, so that the outer end of the pressing block 10 is extruded tightly on the inner surface of the rotating head 4, meanwhile, the sliding rod 13 can upwards penetrate through the gasket 15, the outer end of the sliding rod 13 can be supported on the upper surface of the gasket 15 under the elasticity of the compression spring 14, at the moment, the downward pulling force of the sliding rod 13 just can fixedly install the rotating head 4 on the rotating head seat 6 through the gasket 15, the pulling rod 12 is pressed downwards, so that the inner side of the sliding rod 13 can be extruded outwards through the ejecting block 11, so as to drive the outer end of the sliding rod 13 to slide inwards in a telescopic way towards the pulling block 16 and separate from the gasket 15, and then the gasket 15 can be taken down from the pulling block 16, the pull rod 12 is continuously pressed downwards to drive the pull block 16 to slide downwards in the insert block 9 and separate from the inner end of the press block 10, so that the pressing force of the press block 10 on the rotary head 4 is cancelled, then the rotary head 4 can be carried out, and finally, the rotary head 4 is convenient and rapid to mount and dismount, time and labor are saved, and the purpose of convenience in use is achieved; when the nut 18 is in a screwed state, the second clamping rod 19 and the fixing rod 20 can be tightly clamped on two sides of the bearing 7 through the second clamping rod 19, the first clamping rod 2 and the fixing rod 20 can be tightly clamped on the other two sides of the bearing 7 at the same time, so that the bearing 7 can be fixedly installed, and the second clamping rod 19, the fixing rod 20, the third clamping rod 21 and the first clamping rod 2 can be cancelled for clamping the bearing 7 by rotating the fixing rod 20 outwards after the nut 18 is unscrewed, so that the bearing 7 can be disassembled.

In summary, according to the utility model, by arranging the insert block 9, the pressing block 10, the pulling block 16, the gasket 15, the ejector block 11, the pulling rod 12, the pulling ring 5, the sliding rod 13 and the compression spring 14, the outer end of the pressing block 10 can be tightly extruded on the inner surface of the rotary head 4 by pulling the pulling rod 12 upwards through the pulling ring 5, and meanwhile, the outer end of the sliding rod 13 can be abutted against the upper surface of the gasket 15, at this time, the downward pulling force of the sliding rod 13 just can fixedly install the rotary head 4 on the rotary head seat 6 through the gasket 15, so that the installation and disassembly of the rotary head 4 are more convenient, quicker and more time-saving and labor-saving, and the purpose of convenient use is achieved, by arranging the second clamping rod 19, the fixing rod 20, the third clamping rod 21, the first clamping rod 2, the connecting bolt 17 and the nut 18, when the nut 18 is in a tightening state, the second clamping rod 19, the fixing rod 20, the first clamping rod 2 and the fixing rod 20 can be tightly clamped on the outer surface of the bearing 7, thereby realize the fixed mounting to bearing 7, unscrew nut 18 moreover and can make second clamping bar 19, dead lever 20, third clamping bar 21 and first clamping bar 2 cancel and press from both sides tightly bearing 7 to pull down bearing 7, this mechanism is through simplifying bearing 7 dismouting process, can make installation to it with dismantle convenient more fast, and then be convenient for the later stage to maintain drive arrangement.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a centrifuge drive arrangement, includes installation box (1), rotor (4) and rotor seat (6), its characterized in that: the upper end of the rotating head seat (6) is fixedly connected with an insert block (9), the inner side of the insert block (9) is connected with a press block (10) in a sliding manner, the outer end of the press block (10) is abutted to the inner surface of the rotating head (4), the inner part of the insert block (9) is connected with a pull block (16) in a sliding manner, the inner part of the pull block (16) is connected with a sliding rod (13) in a sliding manner, the inner side of the sliding rod (13) is fixedly connected with a compression spring (14), the outer surface of the pull block (16) is sleeved with a gasket (15), the gasket (15) is abutted to the upper surface of the rotating head (4), the outer part of the sliding rod (13) is abutted to the upper surface of the gasket (15), the inner part of the pull block (16) is connected with a pull rod (12) in a sliding manner, the outer surface of the pull rod (12) is fixedly connected with an ejector block (11), the ejector block (11) is abutted to the inner side of the sliding rod (13), the upper end of the pull rod (12) is fixedly connected with a pull ring (5), the upper surface of the installation box body (1) is fixedly connected with a fixed rod (20), one end of the fixed rod (20) is rotationally connected with a third clamping rod (21) through a rotating shaft, one end of the third clamping rod (21) far away from the fixed rod (20) is rotationally connected with a first clamping rod (2) through a rotating shaft, one end of the first clamping rod (2) far away from the third clamping rod (21) is fixedly connected with a connecting bolt (17), the outer surface of the connecting bolt (17) is in threaded connection with a nut (18), the other end of the fixed rod (20) is rotatably connected with a second clamping rod (19) through a rotating shaft, one end of the second clamping rod (19) far away from the fixed rod (20) is provided with a connecting groove, the connecting bolt (17) is inserted in the connecting groove and penetrates through the connecting groove, and the nut (18) abuts against the outer surface of the second clamping rod (19).

2. A centrifuge driving apparatus according to claim 1, wherein: the rotary head (4) is abutted to the upper end of the rotary head seat (6), the rotary head (4) is sleeved on the outer surface of the insert block (9), and the pressing block (10) is in an I shape.

3. A centrifuge driving apparatus according to claim 1, wherein: the pull block (16) is T-shaped, the pull block (16) abuts against the inner end of the press block (10), the sliding rod (13) is L-shaped, the outer end of the sliding rod is inclined, and the other end of the compression spring (14) is fixedly connected with the pull block (16).

4. A centrifuge driving apparatus according to claim 1, wherein: the shape of kicking block (11) is the round platform type, and kicking block (11) slide to set up in the inside of drawing piece (16), slide bar (13) set up in the periphery of pull rod (12).

5. A centrifuge driving apparatus according to claim 1, wherein: the mounting box is characterized in that a motor (8) is fixedly mounted inside the mounting box body (1), the rotary head seat (6) is sleeved on the upper end of an output shaft of the motor (8), the lower portion of the rotary head seat (6) is in threaded connection with a fastening bolt (3), and the rotary head seat (6) is fixed on the output shaft of the motor (8) through the fastening bolt (3).

6. The centrifuge driving apparatus according to claim 5, wherein: the inner sides of the first clamping rod (2), the second clamping rod (19), the fixed rod (20) and the third clamping rod (21) are all arc-shaped, a bearing (7) is sleeved on the outer surface of an output shaft of the motor (8), and the inner sides of the first clamping rod (2), the second clamping rod (19), the fixed rod (20) and the third clamping rod (21) are all abutted to the outer surface of the bearing (7).