JP2019188295A - Stirring device - Google Patents

Abstract

To provide a low-cost stirring device that can be easily manufactured.SOLUTION: A stirring device 100 comprises a rotary member 10, a support member 12 and a pair of vanes 14. The rotary member 10 has a connection part 10b to be connected to a driving device and a pair of support parts 10c supporting the support member 12. When a shaft line direction of the rotary member 10 matches a vertical direction thereof so that the connection part 10b is positioned upper and the support part 10c is positioned lower and the rotary member 10 is stopped, the pair of vanes 14 hang down from the support member 12 while being shifted from each other in a second direction D2, and the support member 12 passes through centers in the second direction D2 of the pair of vanes 14. When the rotary member 10 rotates, the pair of vanes 14 are rotated by centrifugal force, in a direction in which the vanes separate from each other with the support member 12 as a rotation center.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a stirring device used for stirring a liquid.

  Conventionally, various stirring devices have been used to stir liquids. For example, Patent Document 1 discloses a stirring device for stirring a liquid in a container. The stirring device disclosed in Patent Document 1 includes a rotation shaft, a boss portion provided at an end portion of the rotation shaft, and three stirring blades attached to the boss portion. Three grooves extending radially are formed in the boss portion, and a support shaft is provided in each groove. Each of the three stirring blades is supported by a support shaft provided in each groove of the boss portion.

  In the stirring apparatus of Patent Document 1, when the stirring blades are arranged in the container, the rotation shaft is stopped and the three stirring blades are suspended. Thereby, even when the opening part of a container is small, three stirring blades can be easily passed through the opening part of a container, and three stirring blades can be arrange | positioned in a liquid.

  Moreover, in the stirring apparatus of patent document 1, by rotating a rotating shaft in the state which has arrange | positioned three stirring blades in the liquid, three stirring blades can be raised by centrifugal force. By continuing the rotation of the rotating shaft in this state, the liquid in the container can be stirred by the three stirring blades.

JP 2007-205428 A

  By the way, in the stirring apparatus disclosed in Patent Document 1, it is necessary to provide a support shaft for each stirring blade. In this case, since the number of parts increases, the manufacturing cost of the agitator increases and the manufacturing efficiency decreases.

  Accordingly, an object of the present invention is to provide an agitator that is easy to manufacture and low in cost.

  The gist of the present invention is the following stirring apparatus.

(1) A rod-like rotating member whose one end in the axial direction is connected to a driving device and is driven to rotate by the driving device;
A columnar support member that extends in a first direction so as to be orthogonal to the axis of the rotating member and is attached to the other end of the rotating member in the axial direction;
A pair of plate-like blades supported by the support member so as to be able to rotate in the circumferential direction of the support member around the support member,
When the axial direction of the rotating member coincides with the vertical direction so that the one end is on the top and the other end is on the bottom, and the rotating member is stopped,
The pair of blades hang down from the support member in a state of being shifted from each other in a second direction orthogonal to the first direction and the axial direction when viewed from the first direction, and the support member is Provided to pass through the center of the blade in the second direction,
When the rotating member rotates, the pair of blades rotate by centrifugal force in directions away from each other with the support member as a rotation center.

(2) In the state in which the axial direction of the rotating member coincides with the vertical direction and the pair of blades hang down from the support member,
One blade in the second direction of the pair of blades rotates to the other side in the second direction with the support member as a rotation center, and the other blade in the second direction of the pair of blades. The stirring device according to (1), wherein the blade is restricted from rotating around the support member toward the one side in the second direction.

(3) Each of the blades has an elongated shape when viewed from the first direction,
Each blade has a base part supported by the support member on one side of the center in the longitudinal direction, and a stirring part on the other side of the center in the longitudinal direction,
The stirrer according to (1) or (2), wherein the stirrer is twisted with respect to the base when each blade is viewed from the longitudinal direction.

(4) The rotating member is rotationally driven by the driving device so as to rotate clockwise when the other end side is viewed from the one end side,
The stirrer according to (3), wherein the stirrer is twisted in a counterclockwise direction with respect to the base when the blade is viewed from the one side to the other side.

  According to the present invention, a stirrer that is easy to manufacture and low in cost can be obtained.

FIG. 1 is a view showing a stirring device according to an embodiment of the present invention. FIG. 2 is a diagram showing a stirring device according to an embodiment of the present invention. FIG. 3 is a diagram showing a stirring device according to an embodiment of the present invention. FIG. 4 is a diagram showing a stirring device according to an embodiment of the present invention.

  Hereinafter, an agitation apparatus according to an embodiment of the present invention will be described with reference to the drawings. 1-4 is a figure which shows the stirring apparatus 100 which concerns on one Embodiment of this invention. 2 is a view of the stirring device 100 shown in FIG. 1 viewed from the right side of the drawing, and FIG. 4 is a view of the stirring device 100 shown in FIG. 3 viewed from the right side of the drawing. 1 to 4, the axis X of the stirring device 100 is indicated by a one-dot chain line. In this specification, a direction parallel to the axis X is referred to as an axial direction. The stirring device 100 according to the present embodiment is used, for example, when stirring a liquid contained in a container (not shown).

  As shown in FIGS. 1 to 4, the stirring device 100 includes a rod-shaped rotating member 10, a columnar support member 12, and a pair of plate-shaped blades 14. Each of the rotating member 10, the supporting member 12, and the pair of plate-like blades 14 is made of, for example, a metal material. The rotating member 10 includes a main body portion 10a, a connecting portion 10b, and a pair of support portions 10c. The main body portion 10 a is provided at the center portion in the axial direction of the rotating member 10, the connecting portion 10 b is provided at one end portion in the axial direction of the rotating member 10, and the pair of support portions 10 c are in the axial direction of the rotating member 10. It is provided at the other end.

  The main body 10a has a cylindrical shape and is provided so as to extend in the axial direction. The connecting portion 10b is connected to a driving device (not shown). A known electric tool such as an impact wrench can be used as the drive device. In the present embodiment, the rotating member 10 is rotationally driven by a driving device.

  1 and 2 show the rotating member 10 in a state in which the axial direction coincides with the vertical direction and is stopped so that the connecting portion 10b is on the top and the pair of support portions 10c are on the bottom. 3 and 4 show the rotating member 10 in a state in which the axial direction coincides with the vertical direction and rotates so that the connecting portion 10b is on and the pair of supporting portions 10c are on the bottom. 3 and 4 show the rotation direction R of the rotating member 10. In the present embodiment, the rotating member 10 is rotationally driven by the driving device so as to rotate clockwise when the pair of supporting portions 10c side is viewed from the connecting portion 10b side.

  The pair of support portions 10c are provided so as to protrude from the main body portion 10a toward the other side in the axial direction. As shown in FIGS. 2 and 4, in the present embodiment, the pair of support portions 10 c are provided apart from each other in a first direction D <b> 1 orthogonal to the axial direction. The support member 12 extends parallel to the first direction D1 so as to be orthogonal to the axis X, and is fixed to the pair of support portions 10c. 1 and 3 show a second direction D2 orthogonal to the axial direction and the first direction D1.

  The pair of blades 14 are supported by the support member 12 between the pair of support portions 10c. Specifically, each blade 14 is supported by the support member 12 so that it can rotate in the circumferential direction of the support member 12 with the support member 12 as a rotation center when viewed from the first direction.

  As shown in FIG. 1, in this embodiment, when the axial direction coincides with the vertical direction and the rotating member 10 is stopped so that the connecting portion 10 b is on the top and the pair of support portions 10 c are on the bottom, The blades 14 hang down from the support member 12 due to their own weight in a state of being shifted from each other in the second direction D2 when viewed from the first direction D1. In the above state, the support member 12 is provided so as to pass through the center of the pair of blades 14 in the second direction D2. Thus, in the present embodiment, in the state shown in FIG. 1, the pair of blades 14 hangs downward from the support member 12 in a state where the blades 14 overlap each other when viewed from the first direction. On the other hand, as shown in FIG. 3, when the rotary member 10 is rotationally driven by the drive device, the pair of blades 14 rotate in directions away from each other with the support member 12 as the rotation center by centrifugal force. Hereinafter, the state of the pair of blades 14 illustrated in FIG. 1 is referred to as a state where the pair of blades 14 are closed, and the state of the pair of blades 14 illustrated in FIG. 3 is referred to as a state where the pair of blades 14 are open.

  As shown in FIGS. 1 and 3, in the present embodiment, each blade 14 has a long shape when viewed from the first direction. Each blade 14 has a base portion 14a that is rotatably supported by the support member 12 on one side of the center in the longitudinal direction, and a stirring portion 14b on the other side of the center in the longitudinal direction.

  As shown in FIG. 4, when each blade | wing 14 is seen from a longitudinal direction, the stirring part 14b is twisted with respect to the base 14a. In the present embodiment, when the blade 14 is viewed from the one side (stirring portion 14b side) to the other side (base portion 14a side), the stirring portion 14b is twisted counterclockwise with respect to the base portion 14a. ing.

  In the present embodiment, in the state shown in FIG. 1, the one-side blade 14 in the second direction D2 rotates to the other side in the second direction D2, and the other-side blade 14 in the second direction D2 moves in the second direction. Rotation to one side in D2 is restricted. Specifically, when the blade 14 on one side in the second direction D2 tries to rotate to the other side in the second direction D2 from the state shown in FIG. 1, the base portion 14a becomes the end surface 10d of the main body portion 10a (see FIG. 4). To touch. Thereby, rotation of the said one side blade | wing 14 is controlled. Similarly, when the blade 14 on the other side in the second direction D2 tries to rotate to one side in the second direction D2, the base portion 14a contacts the end surface 10d of the main body portion 10a. Thereby, rotation of the blade 14 on the other side is restricted.

  As described above, in the present embodiment, the pair of blades 14 can be closed by stopping the rotating member 10, and the pair of blades 14 are opened by rotating the rotating member 10. Can be. Therefore, even when the opening of the container for storing the liquid is small, the pair of blades 14 can be easily passed through the opening by stopping the rotating member 10. Thereby, a pair of blade | wing 14 can be arrange | positioned in a liquid. Further, by rotating the rotating member 10 with the blades 14 disposed in the liquid, the liquid can be stirred by the pair of opened blades 14.

  Moreover, in this embodiment, since a pair of blade | wing 14 can be supported by the one support member 12, the increase in a number of parts can be suppressed.

  In the present embodiment, in the state shown in FIG. 1, the pair of blades 14 are offset from each other in the second direction D2, and the support member 12 is provided so as to pass through the center of the pair of blades 14 in the second direction D2. It has been. Therefore, in the present embodiment, in the state shown in FIG. 1, the center of gravity of the blade 14 on one side in the second direction D2 is located on the one side with respect to the axis X, and the other side in the second direction D2 direction. The center of gravity of the blade 14 is located on the other side with respect to the axis X. Thereby, by rotating the rotating member 10 from the state shown in FIG. 1, the pair of blades 14 can be easily opened by centrifugal force. That is, in this embodiment, it is not necessary to perform special processing on the blade 14 in order to shift the center of gravity of the blade 14 from the axis X. Therefore, the processing of the blade 14 is simplified.

  As a result, according to the present embodiment, the manufacturing of the stirring device 100 is facilitated and the manufacturing cost can be suppressed.

  In the present embodiment, in the state shown in FIG. 1, the one-side blade 14 in the second direction D2 rotates to the other side in the second direction D2, and the other-side blade 14 in the second direction D2 The rotation to one side in the two directions D2 is restricted. Thereby, when the rotating member 10 is rotationally driven, the pair of blades 14 can be easily opened.

  Moreover, in this embodiment, when each blade | wing 14 is seen from a longitudinal direction, the stirring part 14b is twisted with respect to the base 14a. By configuring the stirring unit 14b in this way, the liquid can be stirred more efficiently.

  In particular, in this embodiment, when the blade 14 is viewed from the stirring portion 14b side to the base portion 14a side, the stirring portion 14b is twisted in a counterclockwise direction with respect to the base portion 14a. Thereby, in this embodiment, when the blade | wing 14 is seen from the stirring part 14b side to the base 14a side, the stirring part 14b inclines in the counterclockwise direction with respect to the axis line X. Further, the rotating member 10 is driven to rotate clockwise when the pair of support portions 10c are viewed from the connecting portion 10b side. Thereby, the stirring part 14b of each blade | wing 14 can stir a liquid so that a liquid may be sent to the other side in FIG. 3 and FIG. As a result, the liquid near the bottom of the container can be efficiently stirred.

  Although detailed description is omitted, when the liquid is stirred by driving the rotating member 10 so as to rotate counterclockwise when the pair of support portions 10c side is viewed from the connecting portion 10b side, the blades are used. It is preferable that the stirring portion 14b is twisted in the clockwise direction with respect to the base portion 14a when 14 is viewed from the stirring portion 14b side to the base portion 14a side. Thereby, the stirring part 14b of each blade | wing 14 can stir a liquid so that a liquid may be sent to the other side in the axis line X. FIG. As a result, the liquid near the bottom of the container can be efficiently stirred.

  According to the present invention, a stirrer that is easy to manufacture and low in cost can be obtained.

DESCRIPTION OF SYMBOLS 10 Rotating member 10a Main body part 10b Connecting part 10c Support part 12 Support member 14 Blade 14a Base part 14b Stirrer 100 Stirrer

Claims (4)

One end portion in the axial direction is connected to a driving device, and is a rod-shaped rotating member that is rotated by the driving device;
A columnar support member that extends in a first direction so as to be orthogonal to the axis of the rotating member and is attached to the other end of the rotating member in the axial direction;
A pair of plate-like blades supported by the support member so as to be able to rotate in the circumferential direction of the support member around the support member,
When the axial direction of the rotating member coincides with the vertical direction so that the one end is on the top and the other end is on the bottom, and the rotating member is stopped,
The pair of blades hang down from the support member in a state of being shifted from each other in a second direction orthogonal to the first direction and the axial direction as viewed from the first direction, and the support member is Provided to pass through the center of the blade in the second direction,
When the rotating member rotates, the pair of blades rotate in a direction away from each other with the support member as a rotation center by centrifugal force. In the state where the axial direction of the rotating member coincides with the vertical direction and the pair of blades hang down from the support member,
One blade in the second direction of the pair of blades rotates to the other side in the second direction with the support member as a rotation center, and the other blade in the second direction of the pair of blades. The stirring device according to claim 1, wherein the blade is restricted from rotating around the support member toward the one side in the second direction. Each of the blades has an elongated shape when viewed from the first direction,
Each blade has a base portion supported by the support member on one side of the center in the longitudinal direction, and a stirring portion on the other side of the center in the longitudinal direction,
The stirrer according to claim 1 or 2, wherein the stirrer is twisted with respect to the base when each blade is viewed from the longitudinal direction. The rotating member is rotationally driven by the driving device so as to rotate clockwise when the other end side is viewed from the one end side,
The stirring device according to claim 3, wherein when the blade is viewed from the one side to the other side, the stirring portion is twisted in a counterclockwise direction with respect to the base portion.

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