CN220444110U

CN220444110U - Moving mechanism of refrigerated centrifuge

Info

Publication number: CN220444110U
Application number: CN202321955531.7U
Authority: CN
Inventors: 王龙村; 万佳男; 王琳
Original assignee: Fujian Guomai Biotech Co ltd
Current assignee: Fujian Guomai Biotech Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-06
Anticipated expiration: 2033-07-25

Abstract

The utility model belongs to the technical field of refrigerated centrifuges, and particularly relates to a moving mechanism of a refrigerated centrifuge, which comprises a refrigerated centrifuge body, wherein the moving mechanism comprises a bottom groove, a bottom cover and a driving component, an opening of the bottom groove is downwards fixed in a bottom shell of the refrigerated centrifuge body, a longitudinal shaft is fixedly connected to the center of the bottom groove, the bottom cover is connected to the lower end of the longitudinal shaft, a plurality of horizontal shafts are fixedly connected to the periphery of the bottom cover, a supporting component is rotatably connected to each horizontal shaft, wheels are arranged at the lower end of the supporting component, and the supporting component is driven to rotate by the driving component so as to drive the wheels to extend out of the bottom groove or be contained in the bottom groove.

Description

Moving mechanism of refrigerated centrifuge

Technical Field

The utility model belongs to the technical field of refrigerated centrifuges, and particularly relates to a moving mechanism of a refrigerated centrifuge.

Background

The refrigerated centrifuge is divided into a low-speed refrigerated centrifuge and a high-speed refrigerated centrifuge, and various types of overspeed analysis and preparation of the two-purpose refrigerated centrifuge are adopted. The conventional refrigerated centrifuge mainly comprises a shell, a refrigerating device arranged in the shell, a centrifugal chamber and the like, for example, the refrigerated centrifuge disclosed in Chinese patent application No. CN202021094571.3 is disclosed, and the high-speed refrigerated centrifuge disclosed in Chinese patent application No. CN202122899771.7 is disclosed, wherein the refrigerated centrifuge generally does not have a moving mechanism, has the defect of inconvenient movement, and can move the position of equipment only by applying large manpower or through lifting equipment, so that the refrigerated centrifuge is inconvenient to use.

Aiming at the problems, the Chinese patent application No. CN201921441774.2 discloses a refrigerated centrifuge convenient to move, which comprises a refrigerated centrifuge body, wherein wheels are connected to the outer side wall of a shell of the refrigerated centrifuge body through telescopic rods, so that the refrigerated centrifuge is convenient to move, but the wheels are always exposed on the outer side wall of the shell, cannot be stored and hidden when the refrigerated centrifuge is not required to move, and not only is ash easy to fall, but also the attractive appearance is influenced.

Therefore, the utility model aims at the structural improvement of the moving mechanism of the conventional refrigerated centrifuge, and provides the moving mechanism of the refrigerated centrifuge with the functions of reasonable design, convenient operation and storage and hiding.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the moving mechanism of the refrigerated centrifuge with the functions of reasonable design, simple structure, convenient and quick operation and storage and hiding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a refrigerated centrifuge's mobile mechanism, includes refrigerated centrifuge body, this mobile mechanism includes kerve, bottom and drive assembly, the kerve opening is fixed in refrigerated centrifuge body's bottom shell down, the center department fixedly connected with longitudinal axis of kerve, the lower extreme at longitudinal axis is connected to the bottom, and the week side fixedly connected with of bottom is a plurality of horizontal axes, all rotates on every horizontal axis and is connected with supporting component, and supporting component's lower extreme is equipped with the wheel, and supporting component is rotatory in order to drive the wheel by the drive assembly drive and stretches out the kerve or accomodate in the kerve.

Preferably, the driving assembly comprises a double-sided gear and a stepping motor, the stepping motor is fixedly connected with the bottom groove, a first bevel gear is fixedly sleeved on an output shaft of the stepping motor, the double-sided gear is rotatably sleeved on the longitudinal shaft, an upper tooth of the double-sided gear is meshed with the first bevel gear, and a lower tooth of the double-sided gear is in transmission connection with the supporting assembly.

Preferably, the stepping motor is fixedly connected with the outer side wall of the bottom groove, and an output shaft of the stepping motor extends to the inside of the bottom groove to be fixedly connected with the first bevel gear.

Preferably, the double-sided gear is formed by fixedly connecting two bevel gears arranged up and down.

Preferably, the supporting component comprises a supporting rod and a connecting sleeve, the connecting sleeve is fixedly connected to the upper end of the supporting rod, the connecting sleeve is rotatably sleeved on the horizontal shaft, a second bevel gear is coaxially fixed on one side of the connecting sleeve, which is close to the bottom cover, and the second bevel gear is meshed and connected with the lower teeth of the double-sided gear.

Preferably, the bottom cover covers the opening of the bottom groove, and a yielding opening for extending out of the wheel is formed in the bottom cover corresponding to the supporting component.

Preferably, the middle part of the bottom cover is provided with a countersunk through hole, the lower end of the longitudinal shaft is provided with a screw blind hole corresponding to the countersunk through hole, and the countersunk through hole is connected with the screw blind hole through a countersunk screw.

The utility model adopts the technical proposal and has the following technical effects:

according to the utility model, the stepping motor is controlled to rotate in the forward direction by a certain angle, so that the first bevel gear fixedly connected with the stepping motor can be driven to rotate, the double-sided gear meshed with the first bevel gear is driven to rotate around the longitudinal shaft, and the plurality of second bevel gears meshed with the double-sided gear are driven to rotate.

Compared with the prior art, when the refrigerated centrifuge body does not need to move, the lower end of the supporting rod is driven to rotate inwards to a horizontal state sequentially through the first bevel gear, the double-sided gear, the second bevel gear and the connecting sleeve by controlling the stepping motor to rotate reversely by a certain angle, so that wheels are stored in the bottom groove through the abdicating opening, and the problems that ash is easy to fall and appearance attractiveness is influenced due to the fact that the moving mechanism is arranged externally are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:

FIG. 1 is a front perspective view of a refrigerated centrifuge body according to the present utility model;

FIG. 2 is a rear perspective view of the refrigerated centrifuge body of the present utility model;

FIG. 3 is a schematic bottom view of the movement mechanism of the refrigerated centrifuge of the present utility model;

FIG. 4 is a schematic cross-sectional view of a moving mechanism of the refrigerated centrifuge of the present utility model.

In the figure:

10. a refrigerated centrifuge body; 11. a housing; 12. a control screen; 13. a cover plate;

20. a bottom groove; 21. a longitudinal axis;

30. a bottom cover; 31. a horizontal axis; 32. a yielding port; 33. a countersunk through hole;

40. a drive assembly; 41. a double-sided gear; 42. a stepping motor; 43. a first helical gear;

50. a support assembly; 51. a wheel; 52. a support rod; 53. connecting sleeves; 54. and a second helical gear.

Detailed Description

The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:

referring to fig. 1 to 4, the present utility model provides a moving mechanism of a refrigerated centrifuge, which is applied to the bottom of a refrigerated centrifuge body 10 to facilitate the movement of the refrigerated centrifuge body 10, wherein the refrigerated centrifuge body 10 is a conventional device in the prior art, and generally comprises a housing 11, a control screen 12 is disposed at the front side of the housing 11, a centrifugal chamber is disposed inside the housing 11, and a cover 13 for opening and closing the centrifugal chamber is disposed at the top of the housing 11.

Referring to fig. 3 or 4, in order to facilitate moving or storing, the moving mechanism of the present utility model includes a bottom tank 20, a bottom cover 30 and a driving assembly 40, wherein the bottom tank 20 is welded and fixed in a bottom housing 11 of a refrigerated centrifuge body 10 with a downward opening, a longitudinal shaft 21 is fixedly connected to a center of the bottom tank 20, the bottom cover 30 is detachably connected to a lower end of the longitudinal shaft 21, a plurality of horizontal shafts 31 distributed at intervals are fixedly connected to a peripheral side of the bottom cover 30, each horizontal shaft 31 is rotatably connected to a supporting assembly 50 through a bearing, wheels 51 are provided at a lower end of the supporting assembly 50, and the supporting assembly 50 is driven to rotate by the driving assembly 40 to drive the wheels 51 to extend out of the bottom tank 20 or to be stored in the bottom tank 20.

On the basis of the above structure, preferably, the middle part of the bottom cover 30 is provided with a countersunk through hole 33, the lower end of the longitudinal shaft 21 is provided with a screw blind hole corresponding to the countersunk through hole 33, and the countersunk through hole 33 is connected with the screw blind hole through a countersunk screw, so that the detachable connection between the bottom cover 30 and the longitudinal shaft 21 is realized.

Referring to fig. 4, as a preferred embodiment, based on the above structure, the driving assembly 40 preferably includes a double-sided gear 41 and a step motor 42, the double-sided gear 41 is formed by fixedly connecting two bevel gears arranged up and down, the step motor 42 is fixedly connected with the bottom slot 20, a first bevel gear 43 is fixedly sleeved on an output shaft of the step motor 42, the double-sided gear 41 is rotatably sleeved on the longitudinal shaft 21 through a bearing, an upper tooth of the double-sided gear 41 is engaged with the first bevel gear 43, and a lower tooth of the double-sided gear 41 is in transmission connection with the supporting assembly 50.

Based on the above structure, it is preferable that the stepper motor 42 is a forward and reverse rotation stepper motor, and in order to improve the heat dissipation effect, the stepper motor 42 is fixedly mounted on the outer side wall of the bottom groove 20, preferably, the stepper motor 42 is disposed at the rear side of the refrigerated centrifuge body 10, and the output shaft of the stepper motor 42 extends to the inside of the bottom groove 20 and is fixedly connected with the first bevel gear 43.

Referring to fig. 3 or 4, as a preferred embodiment, based on the above structure, it is preferable that the supporting assembly 50 includes a supporting rod 52 and a connecting sleeve 53, the connecting sleeve 53 is fixedly connected to the upper end of the supporting rod 52, the connecting sleeve 53 is rotatably sleeved on the horizontal shaft 31 through a bearing, a second bevel gear 54 is coaxially fixed to one side of the connecting sleeve 53 near the bottom cover 30, and the second bevel gear 54 is engaged with the lower teeth of the double-sided gear 41.

As a preferred embodiment, based on the above structure, it is preferable that the bottom cover 30 is embedded and covered at the opening of the bottom slot 20, and the bottom cover 30 is provided with a relief opening 32 corresponding to the supporting component 50 for the wheel 51 to rotate and extend.

The working principle of the utility model is as follows:

when the refrigerated centrifuge body 10 is required to move, the first bevel gear 43 fixedly connected with the stepper motor 42 can be driven to rotate by controlling the stepper motor 42 to rotate a certain angle along the forward direction, so that the double-sided gear 41 meshed and connected with the first bevel gear 43 is driven to rotate around the longitudinal shaft 21, and then the plurality of second bevel gears 54 meshed and connected with the double-sided gear 41 are driven to rotate, and as the second bevel gears 54, the connecting sleeve 53 and the supporting rods 52 are fixedly connected with each other, the lower ends of the supporting rods 52 can be driven to rotate outwards to a vertical state, and the wheels 51 extend out of the bottom groove 20 through the yielding openings 32 to be supported on the ground, so that the refrigerated centrifuge body 10 is convenient to move.

When the refrigerated centrifuge body 10 does not need to move, the stepping motor 42 can be controlled to rotate by a certain angle in the reverse direction, and the lower end of the supporting rod 52 is driven to rotate inwards to a horizontal state sequentially through the first bevel gear 43, the double-sided gear 41, the second bevel gear 54 and the connecting sleeve 53, so that the wheels 51 are stored in the bottom groove 20 through the yielding openings 32, and the problems that ash falls easily and appearance is affected due to the fact that a moving mechanism is arranged externally are avoided.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.

Claims

1. The utility model provides a refrigerated centrifuge's mobile mechanism, includes refrigerated centrifuge body, its characterized in that: the moving mechanism comprises a bottom groove, a bottom cover and a driving assembly, wherein an opening of the bottom groove is downwards fixed in a bottom shell of a refrigerated centrifuge body, a longitudinal shaft is fixedly connected to the center of the bottom groove, the bottom cover is connected to the lower end of the longitudinal shaft, a plurality of horizontal shafts are fixedly connected to the periphery of the bottom cover, a supporting assembly is rotatably connected to each horizontal shaft, wheels are arranged at the lower end of each supporting assembly, and the supporting assembly is driven to rotate by the driving assembly to drive the wheels to extend out of the bottom groove or be contained in the bottom groove.

2. The refrigerated centrifuge movement mechanism of claim 1 wherein: the driving assembly comprises a double-sided gear and a stepping motor, the stepping motor is fixedly connected with the bottom groove, a first bevel gear is fixedly sleeved on an output shaft of the stepping motor, the double-sided gear is rotatably sleeved on the longitudinal shaft, an upper tooth of the double-sided gear is meshed with the first bevel gear, and a lower tooth of the double-sided gear is in transmission connection with the supporting assembly.

3. The refrigerated centrifuge movement mechanism of claim 2 wherein: the stepping motor is fixedly connected with the outer side wall of the bottom groove, and an output shaft of the stepping motor extends to the inside of the bottom groove to be fixedly connected with the first bevel gear.

4. The refrigerated centrifuge movement mechanism of claim 2 wherein: the double-sided gear is formed by fixedly connecting two bevel gears which are arranged up and down.

5. The refrigerated centrifuge movement mechanism of claim 2 wherein: the support assembly comprises a support rod and a connecting sleeve, the connecting sleeve is fixedly connected to the upper end of the support rod, the connecting sleeve is rotatably sleeved on the horizontal shaft, a second bevel gear is coaxially fixed on one side of the connecting sleeve, which is close to the bottom cover, and the second bevel gear is meshed and connected with the lower teeth of the double-sided gear.

6. The refrigerated centrifuge movement mechanism of claim 1 wherein: the bottom cover is covered at the opening of the bottom groove, and a yielding opening for extending out of the wheel is formed in the bottom cover corresponding to the supporting component.

7. The refrigerated centrifuge movement mechanism of claim 1 wherein: the middle part of the bottom cover is provided with a countersunk through hole, the lower end of the longitudinal shaft is provided with a screw blind hole corresponding to the countersunk through hole, and the countersunk through hole is connected with the screw blind hole through a countersunk screw.