CN209791429U - Stirring device - Google Patents

Abstract

The application discloses a stirring device, which belongs to the field of experimental devices and is used for stirring liquid under liquid-liquid mixing, and the stirring device comprises a fixing ring connected with a stirring shaft, wherein the fixing ring comprises an inner ring body formed by a plurality of sections of circular arc-shaped inner plate bodies and an outer ring body formed by a plurality of sections of circular arc-shaped outer plate bodies, and the plurality of sections of inner plate bodies and the plurality of sections of outer plate bodies are connected through fixing ring connecting parts; a movable ring is connected between two fixed ring connecting parts symmetrically arranged on the fixed rings through a rotating shaft; the movable ring comprises a horizontally arranged annular bottom plate, and two sides of the annular bottom plate are provided with concentric annular side plates; the outer plate body is provided with an outer hole, the inner plate body is provided with an inner hole, and the annular bottom plate and the annular side plate are provided with flow disturbing holes. In view of above-mentioned technical scheme, this application can improve the mixed effect of liquid-liquid mixture under the circumstances of shortening the churning time, improves the degree of accuracy of experiment.

Description

stirring device

Technical Field

The application belongs to the experimental apparatus, and specifically speaking especially relates to an agitating unit for liquid-liquid mixes.

Background

In the chemical experiment or the inspection process, the substances required to be used are mixed so as to achieve the mixing state required by the experiment, the most commonly encountered is liquid-liquid mixing, in order to achieve more accurate experimental data, the two substances need to be mixed so as to achieve the optimal mixing state, and the time required by stirring is shortened while the optimal mixing effect is achieved.

Disclosure of Invention

An object of this application is to provide an agitating unit, it can improve the mixed effect of liquid-liquid mixture under the condition that shortens the churning time, improves the degree of accuracy that improves the experiment.

in order to achieve the purpose, the method is realized by the following technical scheme:

The stirring device comprises a fixing ring connected with a stirring shaft, wherein the fixing ring comprises an inner ring body formed by a plurality of sections of arc-shaped inner plate bodies and an outer ring body formed by a plurality of sections of arc-shaped outer plate bodies, and the plurality of sections of inner plate bodies and the plurality of sections of outer plate bodies are connected through fixing ring connecting parts; a movable ring is connected between two fixed ring connecting parts symmetrically arranged on the fixed rings through a rotating shaft; the movable ring comprises a horizontally arranged annular bottom plate, and two sides of the annular bottom plate are provided with concentric annular side plates; the outer plate body is provided with an outer hole, the inner plate body is provided with an inner hole, and the annular bottom plate and the annular side plate are provided with flow disturbing holes.

Further say, this application solid fixed ring and (mixing) shaft between be connected through the connecting seat, the bottom of (mixing) shaft is through the screw thread and the screw hole cooperation on the connecting seat, solid fixed ring connecting portion fixed connection on connecting seat and the solid fixed ring.

Further, this application the hookup location department between connecting seat and the (mixing) shaft still be provided with fastening nut.

Further, the aperture of the inner hole is 1.5-2 times of the aperture of the outer hole.

Further, this application fixed ring be located on the (mixing) shaft extending direction on two fixed ring connecting portions between be connected with the cross section for circular or annular auxiliary rod of circle.

Compared with the prior art, the beneficial effects of this application are:

this application can increase the vortex effect at the stirring in-process through improving the stirring structure, shortens the time that liquid mixes, improves the mixed effect that liquid mixes, and then guarantees above-mentioned both experimental accuracy.

Drawings

Fig. 1 is a first structural diagram of the present application.

Fig. 2 is a structural schematic diagram of the present application.

Fig. 3 is a third structural schematic diagram of the present application.

FIG. 4 is a graph comparing the stirring effect of the present application with that of a conventional glass stirring rod in the case of the same mixture.

In the figure: 1. a stirring shaft; 2. fastening a nut; 3. a connecting seat; 4. a fixing ring; 5. a movable ring; 6. an auxiliary lever;

41. A fixed ring connecting part; 42. a stirring section; 43. an outer bore; 44. an inner bore; 45. an inner plate body; 46. an outer plate body;

51. A movable ring body; 52. a flow-disturbing hole; 53. an annular base plate; 54. side plates.

Detailed Description

The technical solutions described in the present application are further described below with reference to the accompanying drawings and embodiments. It should be noted that the terms of orientation mentioned in the following paragraphs, including but not limited to "upper, lower, left, right, inner, outer" and the like, are intended to assist those skilled in the art to fully understand the technical solutions described in the following paragraphs with reference to the drawings, and should not be construed as limiting the technical solutions described in the present application.

Example 1: a stirring device comprises a fixing ring 4 arranged at the tail end of a stirring shaft 1, wherein a fixing ring connecting part 41 is arranged at the position, located at the stirring shaft 1 and an extension line thereof, of the fixing ring 4, symmetrical fixing ring connecting parts 41 are also arranged in the direction perpendicular to the stirring shaft 1 and the extension line thereof, a circular arc-shaped plate body structure is arranged between the adjacent fixing ring connecting parts 41, namely an inner plate body 45 and an outer plate body 46 respectively, a stirring part 42 is reserved between the inner plate body 45 and the outer plate body 46, a through hole called an inner hole 44 is formed in the inner plate body 45, and a through hole called an outer hole 43 is formed in the outer plate body 46; and the movable ring 5 is connected between two fixed ring connecting parts 41 in the direction vertical to the stirring shaft 1 and the extension line thereof through a rotating shaft 47. The movable ring 5 comprises two side plates 54 which are concentrically arranged, and a horizontally arranged annular bottom plate 53 is arranged between the two side plates 54.

Example 2: a stirring device, wherein a plurality of inner holes 44 are formed on an inner plate body 45, a plurality of outer holes 43 are formed on an outer plate body 46, and the ratio of the inner diameters of the inner holes 44 to the outer holes 43 is 2: 1; a connecting seat 3 fixed with the stirring shaft 1 is arranged on a fixing ring connecting part 41 connected with the stirring shaft 1, a threaded hole is formed in the connecting seat 3 and is connected with the thread at the bottom of the stirring shaft 1 through threads, and a fastening nut 2 matched with the threads is further arranged at the connecting position of the stirring shaft 1 and the connecting seat 3. The structures and the connection relationships of the remaining portions are the same as those described in embodiment 1.

On the basis of the above embodiments, in order to make those skilled in the art more understand the technical solutions described in the present application, the present application continues the following description of the technical features involved therein.

(mixing) shaft 1 be linear type body of rod structure, (mixing) shaft 1's bottom surface processing has the external screw thread to carry out threaded connection through this external screw thread structure and fastening nut 2, connecting seat 3.

Connecting seat 3 be located solid fixed ring 4, specifically, on its solid fixed ring connecting portion 41 that is located solid fixed ring 4, this solid fixed ring connecting portion 41 is located (mixing) shaft 1 and its length direction's extension line. The upper surface of the fixing ring connecting part 41 at the position is fixedly connected with the lower surface of the connecting seat 3, and a welding connection mode is adopted when the material of the fixing ring connecting part can be welded, and a melting connection or integrated molding mode is adopted when the material of the fixing ring connecting part can not be welded. The top end face of the connecting seat 3 is provided with a threaded hole for being connected with an external thread at the bottom of the stirring shaft 1 so as to realize the connection of the two components.

in order to guarantee the stability of being connected between (mixing) shaft 1 and the solid fixed ring 4, this application still is provided with fastening nut 2 in the hookup location department of (mixing) shaft 1 and connecting seat 3, and fastening nut 2 is through the thread structure of its self and the external screw thread connection on the (mixing) shaft 1 to can accomplish inseparabler fixed with the screw hole cooperation on the connecting seat 3.

The application fixed ring 4 include at least four fixed ring connecting portions 41 that distribute on the circumferencial direction, be provided with the internal plate body 45, the outer plate body 46 of circular arc structure between the adjacent fixed ring connecting portion 41, wherein the both ends of internal plate body 45 and outer plate body 46 are connected with the fixed ring connecting portion 41 of corresponding position department respectively. The inner plate 45 and the outer plate 46 are arranged in parallel in the horizontal plane direction, and together with the fixing ring connecting portions 41 at both ends, constitute a stirring portion 42. The stirring section 42 has a groove structure penetrating from the outside of the fixed ring 4 to the inside of the fixed ring 4.

The inner plate body 45 and the outer plate body 46 are respectively provided with an inner hole 44 and an outer hole 43 which are uniformly distributed, wherein the ratio of the inner diameter of the inner hole 44 to the inner diameter of the outer hole 44 is 1.5-: 1. and as shown in fig. 1-3, the preferred direction of rotation for this application is with the inner bore 44 located forward of the path of rotation and the outer bore 43 located rearward of the path of rotation. The setting of the ratio of the inner diameters can effectively destroy the steady state in the flowing process of the liquid, improve the mixing effect between two different liquids as much as possible, and can reduce the stirring time by 5 to 10 percent by adopting the ratio of the inner diameters under the stirring condition with the same rotating speed so as to achieve the same stirring result.

The movable ring 5 described in the present application is provided with rotation shafts 47 connected to both sides of the stirring shaft 1 in a vertical direction to an extension line thereof, and the rotation shafts 47 are rotatably connected to the fixing ring connecting portions 41 after passing through the fixing ring connecting portions 41 at corresponding positions. The above-described coupling allows the movable ring 5 to rotate about the rotating shaft 47 at the coupling position with the fixed ring coupling portion 41. It should be noted that, the rotating shaft 47 and the through hole of the fixing ring connecting portion 41 are in clearance fit, which not only can help the rotating shaft 47 rotate normally, but also can leave enough clearance to perform effective cleaning operation after use.

As shown in fig. 1 to 3, the movable ring 5 of the present invention has an H-shaped longitudinal cross section, and specifically, is composed of a horizontally disposed annular bottom plate 53 and concentrically disposed side plates 54 located inside and outside the annular bottom plate 53. No matter the annular bottom plate 53 or the side plate 54, a plurality of turbulence holes 52 are distributed on the annular bottom plate or the side plate, and the inner diameter of each turbulence hole 52 is smaller than that of 43.

In order to guarantee that overall structure is more steady at the operation in-process, this application (mixing) shaft 1 and its extension line on two fixed ring connecting portion 41 that the symmetry set up be connected with auxiliary rod 6, auxiliary rod 6 is the convex body of rod, its cross section is circular or ring shape. When the cross-section of the auxiliary rod 6 is circular, it should be of solid construction; when the cross section of the auxiliary rod 6 is circular, it should be a hollow pipe structure. The connecting position of the auxiliary rod 6 and the fixed ring connecting part 41 is the position where the central axis of the movable ring 5 rotates around the rotating shaft 47, so that the swinging amplitude caused by the rotation of the movable ring 5 around the rotating shaft 47 can be reduced while the central axis of the stirring shaft 1 rotates in the fixed ring 4, the stability of the structure of the whole stirring device is improved, and the safety under high-speed stirring is ensured.

As shown in fig. 4, the stirring effect of the stirring structure of the present application is significantly better than that of the conventional glass rod in the same unit time. And the stirring power that adopts in figure 4 derives from the traditional manual stirring of operating personnel, but this application (mixing) shaft 1 can also be connected through small-size flange or small-size clamp with driving motor's output pivot to the realization treats the intensive mixing of stirring material under driving motor's drive.

Claims (5)

1. A stirring device comprises a fixing ring (4) connected with a stirring shaft (1), and is characterized in that the fixing ring (4) comprises an inner ring body formed by a plurality of sections of circular arc-shaped inner plate bodies (45) and an outer ring body formed by a plurality of sections of circular arc-shaped outer plate bodies (46), and the plurality of sections of inner plate bodies (45) and the plurality of sections of outer plate bodies (46) are connected through fixing ring connecting parts (41); a movable ring (5) is connected between two fixing ring connecting parts (41) symmetrically arranged on the fixing ring (4) through a rotating shaft (47); the movable ring (5) comprises a horizontally arranged annular bottom plate (53), and two sides of the annular bottom plate (53) are provided with concentric annular side plates (54); an outer hole (43) is formed in the outer plate body (46), an inner hole (44) is formed in the inner plate body (45), and a flow disturbing hole (52) is formed in the annular bottom plate (53) and the annular side plate (54).

2. The stirring device according to claim 1, wherein the fixing ring (4) is connected with the stirring shaft (1) through a connecting seat (3), the bottom end of the stirring shaft (1) is matched with a threaded hole in the connecting seat (3) through threads, and the connecting seat (3) is fixedly connected with a fixing ring connecting part (41) on the fixing ring (4).

3. The stirring device according to claim 2, wherein a fastening nut (2) is further provided at the connecting position between the connecting base (3) and the stirring shaft (1).

4. The stirring device according to claim 1, wherein the inner hole (44) has a diameter 1.5 to 2 times the diameter of the outer hole (43).

5. Stirring device according to any of claims 1 to 4, wherein an auxiliary rod (6) having a circular or circular cross-section is connected to the fixing ring (4) between two fixing ring connections (41) in the direction of extension of the stirring shaft (1).