KR101429256B1 - Heating shaker - Google Patents

Abstract

The present invention relates to a constant-temperature stirring apparatus, wherein the constant-temperature stirring apparatus of the present invention comprises: a heat-exchange base for supporting at least one object and performing heat exchange; A heater installed in the heat exchanger; A guide member for guiding the swing motion of the heat exchange base; A base plate for supporting the guide member; An eccentric shaft member installed between the heat exchange base and the base plate and eccentrically rotated by a motor installed on the base plate; A first rotary support installed between the heat exchanger and the eccentric shaft member and rotatably supporting one end of the rotary shaft of the eccentric shaft member; A second rotation support member installed between the base plate and the eccentric shaft member and rotatably supporting the other end of the rotation shaft of the eccentric shaft member; A power transmission device installed between the motor and the eccentric shaft member and transmitting rotational force generated by the motor to the eccentric shaft member; And a controller for applying a control signal to the heater and the motor, thereby improving durability, preventing malfunction or breakage of the components, improving reliability of the apparatus, minimizing the number of parts, and reducing production time or production cost .

Description

A heating shaker (heating shaker)

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a constant-temperature stirring apparatus, and more particularly, to a constant-temperature stirring apparatus capable of shaking an object such as a reagent or medicine in a container under a predetermined temperature environment.

Generally, an enzyme or a chemical substance is added to a sample collected from an animal or a human body, and a desired substance can be extracted from the collected sample or the reaction of a sample with respect to an enzyme or a chemical substance can be observed.

The sample collected below may be referred to as a target substance, and an enzyme or a chemical reacting with the target substance may be referred to as a reactant, and the target substance and the reactant may be collectively referred to as a receiving substance.

When observing biochemical and chemical reactions from a sample to an enzyme or a chemical, a predetermined time can be observed in a container provided in various forms in order to isolate the receiving material from the outside during the reaction.

The container may be provided with a test tube to contain the receiving material or a flexible bag or petri dish.

Meanwhile, in order for the sample to react effectively with the enzyme or the chemical substance, the water contained in the container is heated using a heater or adjusted to a predetermined temperature, and then the temperature is maintained for a predetermined time to induce an effective reaction A constant temperature stirring device capable of shaking or vibrating the target material and the reaction material was developed.

However, such a conventional constant temperature stirring apparatus has a very complicated structure for stirring an object by using a mechanical device, thereby increasing the number of parts, thereby increasing the manufacturing cost of the apparatus. In addition, A large number of important experiments that have been prepared for a long time, such as a malfunction due to a minute deviation or deformation of components such as a screw loosening, or a failure of the apparatus or damage to the object due to accumulation of such malfunctions, It became a cause.

The idea of the present invention is to improve the durability by optimizing the structure such as integrating the eccentric shaft member and applying the injection type guide member, to prevent the malfunction or breakage due to the departure of the parts, to minimize the number of parts, And to provide a constant-temperature stirring apparatus capable of reducing the production cost.

In order to solve the above-described problems, a constant temperature stirring apparatus according to the present invention includes: a heat exchanger for supporting at least one object and performing heat exchange; A heater installed in the heat exchanger; A guide member for guiding the swing motion of the heat exchange base; A base plate for supporting the guide member; An eccentric shaft member installed between the heat exchange base and the base plate and eccentrically rotated by a motor installed on the base plate; A first rotary support installed between the heat exchanger and the eccentric shaft member and rotatably supporting one end of the rotary shaft of the eccentric shaft member; A second rotation support member installed between the base plate and the eccentric shaft member and rotatably supporting the other end of the rotation shaft of the eccentric shaft member; A power transmission device installed between the motor and the eccentric shaft member and transmitting rotational force generated by the motor to the eccentric shaft member; And a controller for applying a control signal to the heater and the motor.

According to an aspect of the present invention, the power transmission device further includes: a drive pulley installed on a rotary shaft of the motor; A driven pulley provided on the eccentric shaft member; And a belt installed between the driving pulley and the driven pulley.

According to an aspect of the present invention, the eccentric shaft member may be an integral shaft in which the driven pulley is integrally formed with the rotating shaft and the balancer weight portion is formed integrally with the rotating shaft.

According to an aspect of the present invention, the first rotary support includes a first bearing housing installed in the heat exchange base and having a first bearing hole formed therein; And at least one first bearing inserted in the first bearing hole and in which the inner ring is in direct contact with the rotary shaft one end of the eccentric shaft member and the outer ring is in direct contact with the first bearing hole, A second bearing housing provided on the base plate and having a second bearing hole formed therein; And at least one second bearing inserted in the second bearing hole, the inner ring being in direct contact with the other end of the rotary shaft of the eccentric shaft member, and the outer ring being in direct contact with the second bearing hole.

According to an aspect of the present invention, the eccentric shaft member has a circular rod shape at one end and the other end of the rotary shaft, and the first bearing and the second bearing may be stacked in layers.

According to an aspect of the present invention, the guide member may include: a first movable part formed with a through-hole through which one end of the rotation axis of the eccentric shaft member passes, A second movable part connected to the first movable part and provided with a one-way double joint disposed forwardly and rearwardly of the first movable part; And a fixing part which is connected to the second movable part and is provided on the left and right sides of the second movable part and is fixed to the base plate.

According to an aspect of the present invention, the guide member may be a polypropylene resin-based integral injection structure.

According to an aspect of the present invention, the heat exchange block may include a heat exchange block in which an insertion groove is formed at one side to insert an object, and the heater is installed at the other side; And a middle plate installed in the heat exchange block using a spacer to be spaced from the heat exchange block.

The constant-temperature stirring apparatus according to the present invention improves durability, prevents malfunction or breakage of parts, improves the reliability of the apparatus, minimizes the number of parts, and reduces production time and production cost .

1 is an external perspective view showing a constant temperature stirring apparatus according to some embodiments of the present invention.
Fig. 2 is a perspective view showing a state in which the case of the constant temperature stirring apparatus of Fig. 1 is removed. Fig.
Fig. 3 is an exploded perspective view of the component of Fig. 2. Fig.
Fig. 4 is a plan view of Fig. 2. Fig.
5 is a cross-sectional view showing a VV cut plane in Fig.
6 is an enlarged cross-sectional view showing an enlarged part A of Fig.
7 is an enlarged cross-sectional view showing an enlarged part B of Fig.
8 is a side view showing the eccentric shaft member of Fig.
Fig. 9 is a perspective view of Fig. 8. Fig.
10 is a plan view showing the guide member of Fig.
11 is a perspective view of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It will be understood that throughout the specification, when referring to an element such as a film, an area or a substrate being "on", "connected", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, in the figures the elements are turned over so that the elements depicted as being on the top surface of the other elements are oriented on the bottom surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

FIG. 1 is an external perspective view showing a constant temperature stirring apparatus 100 according to some embodiments of the present invention. FIG. 2 is a perspective view showing a state in which a case C of the constant temperature stirring apparatus 100 of FIG. Fig. 3 is a fragmentary exploded view of Fig. 2, Fig. 4 is a plan view of Fig. 2, and Fig. 5 is a sectional view of a VV cut surface of Fig.

1 to 5, a constant temperature stirring apparatus 100 according to some embodiments of the present invention includes a heat exchange base 10, a guide member 20, a base plate 30, a first rotation support base 51, a second rotation support base 52, a power transmission device 60, a control unit 70, and a command input device 80 ).

Here, the heat exchanger 10 supports an object 1 contained in a container such as at least one test tube or a beaker, and performs heat exchange with the object 1.

3, the heat exchange block 10 includes a heat exchange block 11 in which an insertion groove 11a for inserting the object 1 is formed at one side and a heater H is installed at the other side, And a middle plate 12 installed in the heat exchange block 11 using spacers S to be spaced apart from the heat exchange block 11 for rapid cooling.

Accordingly, when the heater H is heated by receiving the control signal from the controller 70, the heat exchange block 11 is heated and the heat energy of the heat exchange block 11 is transmitted to the object 1, When the temperature rises, the sensor or the like senses the temperature rise, and the control signal of the controller 70 is stopped. When the temperature falls below the set value, the control signal is applied to the heater H again to maintain the constant temperature state, Environment can be created.

Fig. 10 is a plan view showing the guide member 20 of Fig. 3, and Fig. 11 is a perspective view of Fig.

3, 10 and 11, the guide member 20 guides the swing motion of the heat exchanger 10 and includes a first movable part 21, a second movable part 22, And the fixing portion 23, as shown in Fig.

The first movable portion 21 has a through hole 21a through which the one end portion 41-1 of the rotation axis 41 of the eccentric shaft member 40 passes and is capable of moving back and forth and eccentrically .

The second movable part 22 is provided with a unidirectional double joint J1 and J2 which are connected to the first movable part 21 and are provided respectively in front of and behind the first movable part 21 Section.

The fixing portion 23 is provided with other double joints J3 and J4 which are connected to the second movable portion 22 and are respectively installed on the left and right sides of the second movable portion 22 And is fixed to the base plate 30.

The second movable part 22 is connected to the second movable joint J3 and J4 with respect to the fixed part 23 so that the second movable part 22 can rotate horizontally in the longitudinal direction. The second movable part 22 is connected to the first movable part 21 by the unidirectional double joint J1 and J2 so that the first movable part 21 can move horizontally ), It is possible to move horizontally, vertically and horizontally.

2 to 5, the base plate 30 supports the guide member 20 and may support the motor M, the control unit 70, and the like .

FIG. 5 is an enlarged cross-sectional view showing the section V-V in FIG. 4, FIG. 6 is an enlarged sectional view showing part A in FIG. 5, and FIG. 7 is an enlarged sectional view showing part B in FIG.

3 and 5 to 7, the first rotary support 51 is installed between the heat exchange pedestal 10 and the eccentric shaft member 40 to support the eccentric shaft member 40 The one end 41-1 of the rotary shaft 41 can be freely rotatably supported.

The second rotation support member 52 is provided between the base plate 30 and the eccentric shaft member 40 and is rotatable about the other end 41-2 of the rotation shaft 41 of the eccentric shaft member 40 The rotation can be supported freely.

2 and 3, the power transmission device 60 is installed between the motor M and the eccentric shaft member 40, and transmits the rotational force generated by the motor M To the eccentric shaft member (40).

3, the power transmission device 60 includes a drive pulley 61 installed on a rotation axis Ma of the motor M and a driven pulley 61 provided on the eccentric shaft member 40. [ A pulley 62 and a belt 63 installed between the drive pulley 61 and the driven pulley 62.

Fig. 8 is a side view showing the eccentric shaft member 40 of Fig. 3, and Fig. 9 is a perspective view of Fig.

3, 8, and 9, the eccentric shaft member 40 is installed between the heat exchange pedestal 10 and the base plate 30, and is disposed on the base plate 30 And the eccentric shaft member 40 is integrally formed with the rotary shaft 41 so that a balance weight is formed on the rotary shaft 41. The eccentric shaft member 40, And the portion 42 may be integrally formed.

8 and 9, the one end 41-1 and the other end 41-2 of the rotary shaft 41 of the eccentric shaft member 40 may each have a circular rod shape.

Therefore, in the integrated eccentric shaft member 40 of the present invention, since the driven pulley 62 and the balance weight portion 42 are integrally formed as a single body instead of being assembled as separate separate parts, The driven pulley 62 and the balance weight portion 42 can be prevented from being unwound or separated from the rotary shaft 41 in the rotation cycle of several thousands, tens of thousands of times, hundreds of thousands, and tens of millions of times.

The integral type eccentric shaft member 40 can be integrally manufactured by various methods such as using a metal mold, casting, or cutting a metal plate using a lathe.

3 and 5 to 7, the first rotary support 51 is provided on the heat exchange base 10 and has a first bearing hole 51-1a, Is inserted into the bearing housing 51-1 and the first bearing hole 51-1a and the inner ring is in direct contact with the one end 41-1 of the rotary shaft 41 of the eccentric shaft member 40, And at least one first bearing 51-2 directly contacting the first bearing hole 51-1a.

The second rotation support base 52 includes a second bearing housing 52-1 provided on the base plate 30 and having a second bearing hole 52-1a, And the inner ring is in direct contact with the other end 41-2 of the rotary shaft 41 of the eccentric shaft member 40 and the outer ring is in direct contact with the second bearing hole 52-1a And at least one second bearing 52-2.

An inner support 53 for aligning the positions of the inner rings of the first bearing 51-2 and the second bearing 52-2 is provided on the first rotation support base 51 and the second rotation support base 52 Can be installed.

6 and 7, the first bearing 51-2 and the second bearing 52-2 may be disposed so as to be in contact with each other and stacked in layers in parallel.

Therefore, the first bearing 51-2 and the second bearing 52-2 are in contact with each other and can be installed without a separate flange or spacer on the rotary shaft 41, And the molding cost due to processing can be reduced.

The control unit 70 of FIG. 3 applies a control signal to the heater H and the motor M. The control unit 70 includes a display unit D A command input device 80 such as an input button B and an adjustment knob N and the like can be installed and a case C for protecting the above-described devices can be assembled and installed.

It is needless to say that the present invention is not limited to the above-described embodiment, and can be modified by those skilled in the art without departing from the spirit of the present invention.

For example, the constant-temperature stirring apparatus 100 according to some embodiments of the present invention can be applied to an object 1 contained in a test tube as shown in the figure, but also a flexible bag or petri dish And can be applied to various types of containers, such as those applied to objects placed in a Petri-dish.

Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

1: Object 100: Constant stirring device
10: Heat exchange block 11: Heat exchange block
11a: insertion groove S: spacer
12: Middle plate H: Heater
20: guide member 21: first movable part
21a: Through hole 22: Second movable part
J1, J2, J3, J4: one-way double joint
23: fixing part 30: base plate
M: motor Ma: rotating shaft
40: eccentric shaft member 41:
41-1: one end portion 41-2: the other end portion
42: Balance weight portion 51: First rotary support
51-1: first bearing housing 51-1a: first bearing hole
51-2: first bearing 52: second rotation support
52-1: second bearing housing 52-1a: second bearing hole
52-2: Second bearing 53: Inner support
60: Power transmission device 61: Driving pulley
62: driven pulley 63: belt
70: control unit 80: command input device
C: Case D: Display
B: Input Button N: Control Knob

Claims (8)

A heat exchanger for supporting at least one object and performing heat exchange;
A heater installed in the heat exchanger;
A guide member for guiding the swing motion of the heat exchange base;
A base plate for supporting the guide member;
An eccentric shaft member installed between the heat exchange base and the base plate and eccentrically rotated by a motor installed on the base plate;
A first rotary support provided on the heat exchange base and rotatably supporting one end of the rotary shaft of the eccentric shaft member;
A second rotatable supporter installed on the base plate and rotatably supporting the other end of the rotatable shaft of the eccentric shaft member;
A power transmission device installed between the motor and the eccentric shaft member and transmitting rotational force generated by the motor to the eccentric shaft member; And
A controller for applying a control signal to the heater and the motor; Lt; / RTI > The method according to claim 1,
The power transmission device comprises:
A drive pulley installed on a rotary shaft of the motor;
A driven pulley provided on the eccentric shaft member; And
A belt installed between the drive pulley and the driven pulley; Lt; / RTI > 3. The method of claim 2,
The eccentric shaft member
The driven pulley is integrally formed on the rotating shaft,
And a balance shaft portion integrally formed on the rotary shaft. The method according to claim 1,
The first rotary support:
A first bearing housing installed in the heat exchange base and having a first bearing hole formed therein; And
And at least one first bearing inserted in the first bearing hole and having an inner ring directly in contact with one end portion of a rotary shaft of the eccentric shaft member and an outer ring in direct contact with the first bearing hole,
The second rotary support:
A second bearing housing installed on the base plate and having a second bearing hole formed therein; And
And at least one second bearing inserted in the second bearing hole and in which the inner ring is in direct contact with the other end of the rotary shaft of the eccentric shaft member and the outer ring is in direct contact with the second bearing hole. Stirring device. 5. The method of claim 4,
Wherein one end portion and the other end portion of the rotating shaft of the eccentric shaft member are respectively in a circular rod shape,
Wherein the first bearing and the second bearing are stacked in parallel in a multilayered structure. The method according to claim 1,
The guide member
A first movable part formed with a through hole through which one end of the rotating shaft of the eccentric shaft member passes, and which is capable of rotating back and forth and eccentrically;
A second movable part connected to the first movable part and provided with a one-way double joint disposed forwardly and rearwardly of the first movable part; And
A fixing part fixed to the base plate and provided with a second double joint part connected to the second moving part and provided to the left and right sides of the second moving part, respectively; Lt; / RTI > The method according to claim 6,
Wherein the guide member is a polypropylene resin-based integral injection structure. The method according to claim 1,
The heat exchanger:
A heat exchange block in which an insertion groove into which an object is inserted is formed at one side and the heater is installed at the other side; And
A middle plate installed in the heat exchange block using spacers to be spaced apart from the heat exchange block; Lt; RTI ID = 0.0 > 1, < / RTI >

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