CN212348600U

CN212348600U - Independent blending device

Info

Publication number: CN212348600U
Application number: CN202020192427.7U
Authority: CN
Inventors: 花俊; 徐涛; 冯继文; 周鹏
Original assignee: Shanghai Kehua Bio Engineering Co ltd; Shanghai Kehua Laboratory System Co ltd
Current assignee: Shanghai Kehua Bio Engineering Co ltd; Shanghai Kehua Laboratory System Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2021-01-15
Anticipated expiration: 2030-02-21

Abstract

An independent blender, comprising: power device, transmission, crankshaft device, mixing connecting seat and guider, wherein: the power device provides power for the crankshaft device through the transmission device, the blending connecting seat is connected with the crankshaft device and moves by taking the crankshaft as the center, and the guide device is connected with the blending connecting seat so as to limit one degree of freedom of the blending connecting seat in the horizontal direction; the crankshaft device comprises: bent axle cover, last axis of rotation and lower axis of rotation, wherein: the upper rotating shaft and the lower rotating shaft are respectively nested at two ends of the crankshaft sleeve. The utility model utilizes the crank block principle to make the structure compact and the occupied space small; meanwhile, the liquid splashing is not easy to generate, and the mixing effect is good.

Description

Independent blending device

Technical Field

The utility model relates to a technique in the field of biochemical analysis, in particular to an independent mixer.

Background

To ensure that the sample and the reagent are mixed thoroughly, the chemical analyzer automatically mixes the sample using a mixer. The existing mixing device has large volume, is easy to splash liquid and has unsatisfactory mixing effect. In the blending process, the blender is easy to shake in the vertical direction due to the fact that the blender has no limit in the vertical direction.

SUMMERY OF THE UTILITY MODEL

The utility model provides an independent mixing device aiming at the defects of the prior art, which adopts a way that a crankshaft is sleeved with a rotating shaft to limit the movement of the mixing device in the vertical direction; the devices are arranged in the vertical direction, so that the occupied space is reduced.

The utility model discloses a realize through following technical scheme:

the utility model discloses a: power device, transmission, crankshaft device, mixing connecting seat and guider, wherein: the power device provides power for the crankshaft device through the transmission device, the blending connecting seat is connected with the crankshaft device and moves by taking the crankshaft as the center, and the guide device is connected with the blending connecting seat so as to limit one degree of freedom of the blending connecting seat in the horizontal direction.

The crankshaft device comprises: bent axle cover, last axis of rotation and lower axis of rotation, wherein: the upper rotating shaft and the lower rotating shaft are respectively nested at two ends of the crankshaft sleeve.

The transmission device comprises: two synchronous belt wheels with different pitch diameters are coordinated by a synchronous belt.

The guiding device comprises: guiding axle and stand, wherein: the guiding axle sets up perpendicularly in the vertical direction of mixing connecting seat, and the stand runs through the guiding axle and sets up in the below of guiding axle.

Technical effects

Compared with the prior art, the utility model utilizes the crank block principle to lead the structure to be compact and the occupied space to be small; meanwhile, the liquid splashing is not easy to generate, and the mixing effect is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a sectional view of the embodiment;

in the figure: the device comprises a power device 1, a transmission device 2, a crankshaft device 3, a blending connecting seat 4, a guide device 5, a fixed support 6, a synchronous belt 21, a large-pitch-diameter synchronous belt pulley 22, a small-pitch-diameter synchronous belt pulley 23, a crankshaft sleeve 31, an upper rotating shaft 32, a lower rotating shaft 33, a bearing 34, a guide shaft 51 and a stand column 52.

Detailed Description

As shown in fig. 1, the present embodiment includes: set up power device 1, transmission 2, crankshaft device 3, mixing connecting seat 4 and guider 5 on fixed bolster 6, wherein: the power device 1 provides power for the crankshaft device 3 through the transmission device 2, the blending connecting seat 4 is connected with the crankshaft device 3 and moves by taking the crankshaft as the center, and the guide device 5 is connected with the blending connecting seat 4 to limit one degree of freedom of the blending connecting seat 4 in the horizontal direction.

The power device 1 is a motor.

The transmission 2 comprises: a large-pitch diameter synchronous pulley 22 and a small-pitch diameter synchronous pulley 23 coordinated by a synchronous belt 21.

The crankshaft device 3 comprises: crankcase 31, upper swivel shaft 32 and lower swivel shaft 33, wherein: the upper rotating shaft 32 and the lower rotating shaft 33 are respectively nested at two ends of the crankshaft sleeve 31, and the lower rotating shaft 33 is connected with the small-pitch diameter synchronous pulley 23.

The upper rotating shaft 32 and the lower rotating shaft 33 are respectively provided with a bearing 34 at the connection part with the crank sleeve 31.

The guide device 5 comprises: a guide shaft 51 and a column 52, wherein: the guide shaft 51 is vertically arranged in the vertical direction of the kneading connecting seat 4, and the upright column 52 penetrates through the guide shaft 51 and is arranged below the guide shaft 51.

The guide shaft 51 and the upright 52 of the guide device 5 are preferably of an integral structure.

The guide shaft 51 is in the shape of a cylinder or a cube.

As shown in fig. 3, the above-described device operates by: the motor is fixedly arranged on the fixed support 6 and connected with the large-pitch-diameter synchronous belt wheel 22, the two synchronous belt wheels transmit power to the lower rotating shaft 33 through the coordination of the synchronous belt 21, the components are connected without vertical gaps by utilizing the crank block principle, and the axial movement of the device is limited by the convex shoulders on the upper rotating shaft 32 and the lower rotating shaft 33, so that the blending connecting seat 4 can only do planar rotating movement.

The device adopts shaft hole matched type guiding, and solves the problem that the existing structure can not avoid the gap jumping of the device in the axial direction; the device adopts the mode that the upper rotating shaft 32 and the lower rotating shaft 33 are connected with the crank sleeve 31, and the clearance of the device in the axial direction is eliminated through tight assembly.

In addition, this device has adopted and has mixed 4 complex novel guide structure of connecting seat: the guide shaft 51 is structurally matched with the mixing connecting seat 4 to move in a relative sliding way; meanwhile, the guide shaft 51 is engaged with the column 52 and rotationally moves about the column 52.

In the crankshaft device 3 adopted by the device, other parts are connected in series through the upper rotating shaft 32 and the lower rotating shaft 33, and as the depth of the upper hole of the crankshaft sleeve 31 is greater than the axial length of the upper rotating shaft 32 and the lower rotating shaft 33, no axial gap exists between the parts after assembly is finished, thereby eliminating axial vibration during the movement of the device and liquid splashing caused by the vibration.

Through specific practical experiment, this device is applied to in the full-automatic chemiluminescence immunoassay system, before using this bent axle device, is used for the CV value of the assay item of inspection instrument performance not in qualified scope, and the back is improved, uses this bent axle device after, the CV value obviously improves, reaches the instrument operation requirement.

Compared with the prior art, the device occupies small space and is not easy to generate splashing; the CV value of the determination items for testing the performance of the instrument can be obviously reduced, and the accuracy of the instrument test is improved.

The foregoing embodiments may be modified in various ways by those skilled in the art without departing from the spirit and scope of the present invention, which is not limited by the above embodiments but is to be accorded the full scope defined by the appended claims, and all such modifications and variations are within the scope of the invention.

Claims

1. An independent blending machine, which is characterized by comprising: power device, transmission, crankshaft device, mixing connecting seat and guider, wherein: the power device provides power for the crankshaft device through the transmission device, the blending connecting seat is connected with the crankshaft device and moves by taking the crankshaft as the center, and the guide device is connected with the blending connecting seat so as to limit one degree of freedom of the blending connecting seat in the horizontal direction;

the crankshaft device comprises: the crankshaft sleeve, the upper rotating shaft and the lower rotating shaft are respectively nested at two ends of the crankshaft sleeve.

2. The stand-alone blender of claim 1 wherein said drive means comprises: two synchronous belt wheels with different pitch diameters are coordinated by a synchronous belt.

3. The stand-alone blender of claim 1 wherein said guide means comprises: guiding axle and stand, wherein: the guiding axle sets up perpendicularly in the vertical direction of mixing connecting seat, and the stand runs through the guiding axle and sets up in the below of guiding axle.

4. The independent mixer of claim 1 wherein the joints of the upper rotating shaft and the lower rotating shaft with the crank sleeve are respectively provided with bearings; and convex shoulders for axial limiting and planar rotational motion limiting of the blending connecting seat are respectively arranged on the upper rotating shaft and the lower rotating shaft.

5. The stand-alone blender of claim 3 wherein said guide shaft is in the shape of a cylinder or cube.

6. The stand-alone mixer of claim 3 or 5 wherein the guide shaft and the upright are of a unitary construction.

7. An independent mixer according to claim 3 or claim 5 in which the guide shaft is slidably engaged with the mixer attachment socket arrangement.

8. The stand-alone blender of claim 3 wherein the guide shaft cooperates with the post structure to rotate about the post.

9. The independent mixer of claim 1 or 4 wherein the upper hole depth of the crankcase is greater than the axial length of the upper rotating shaft and the lower rotating shaft.