WO2024202295A1 - 高さ調整装置および高さ調整方法 - Google Patents

高さ調整装置および高さ調整方法 Download PDF

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Publication number
WO2024202295A1
WO2024202295A1 PCT/JP2023/044653 JP2023044653W WO2024202295A1 WO 2024202295 A1 WO2024202295 A1 WO 2024202295A1 JP 2023044653 W JP2023044653 W JP 2023044653W WO 2024202295 A1 WO2024202295 A1 WO 2024202295A1
Authority
WO
WIPO (PCT)
Prior art keywords
rod member
height adjustment
radial expansion
adjustment device
expansion direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/044653
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
寛樹 相原
太一郎 山下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi High Tech Corp
Original Assignee
Hitachi High Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi High Tech Corp filed Critical Hitachi High Tech Corp
Priority to JP2025509733A priority Critical patent/JPWO2024202295A1/ja
Priority to EP23930915.6A priority patent/EP4692632A1/en
Priority to CN202380092879.4A priority patent/CN120604069A/zh
Publication of WO2024202295A1 publication Critical patent/WO2024202295A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/04—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/027—Locking means for translational movement by friction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N2035/00465—Separating and mixing arrangements
    • G01N2035/00534—Mixing by a special element, e.g. stirrer
    • G01N2035/00554—Mixing by a special element, e.g. stirrer using ultrasound

Definitions

  • the present invention relates to a height adjustment device and a height adjustment method.
  • Patent Document 1 a technology has been developed that uses the acoustic radiation pressure effect of ultrasound to mix the liquid being stirred (sample and reagent) in a reaction vessel without contact, and this technology has been implemented in an automatic biochemical analyzer and put to practical use.
  • ultrasonic waves are generated by applying a sine wave or square wave to a piezoelectric element at a frequency close to its thickness resonance frequency, and the ultrasonic waves are irradiated toward the liquid being stirred from outside the reaction vessel, thereby mixing the liquid being stirred.
  • the reagent and the sample to be analyzed are dispensed into a reaction vessel, and the mixture is mixed by irradiating the reaction vessel with ultrasonic waves.
  • Patent Document 2 discloses a technology for connecting rod members, in which one rod member 1a is a pipe-shaped portion 3, and a collar 13 having tapered threads 6 and 11 and slits 12 and 14 is provided on a fixed base 7 at the tip of rod member 1b, and the collar 13 is expanded in diameter by rotating the fixed base 7, so that it is pressed against the inner surface of the pipe-shaped portion 3.
  • Patent Document 2 allows the two rod-shaped members to be fixed at any position, making it possible to adjust the combined length of the two rod-shaped members.
  • Automatic analyzers are made up of multiple units, and the mechanism for adjusting the mounting height of the stirring mechanism can be difficult to adjust from the front, side, or back of the device due to the layout inside the device.
  • An object of the present disclosure is to provide a height adjustment device and a height adjustment method that allow a component to be fixed to a horizontal surface and the height dimension relative to a reference surface to be adjusted from the top surface side of the device.
  • the height adjustment device includes a fixed member fixed to a horizontal surface, a hollow rod member, a vertical position movable member fixed to the fixed member via the rod member on the upper surface of the fixed member, and a radial expansion direction pressing member that presses the rod member in a radial expansion direction.
  • the vertical position movable member has a hole through which the rod member is inserted from the lower surface to the upper surface of the vertical position movable member, an opening is formed on the upper surface of the vertical position movable member by inserting the rod member into the hole, and the radial expansion direction pressing member is inserted from above to below the opening in the hollow portion of the rod member, and the position of the vertical position movable member is fixed by pressing the rod member in the radial expansion direction.
  • a hollow rod member is placed on the upper surface of a fixed member fixed to a horizontal surface, a fixed member having a hole penetrating from the upper surface to the lower surface is placed above the rod member, the rod member is inserted into the hole of the fixed member from the lower surface side to set the position of the fixed member, a radial expansion direction pressing member is inserted into the hole from the upper side of the fixed member and inserted into the hollow portion of the rod member, and the rod member is pressed in the radial expansion direction to fix the position of the vertical position movable member.
  • the present disclosure provides a height adjustment device and height adjustment method that can fix components to a horizontal surface and adjust the height dimension relative to a reference surface from the top side of the device.
  • FIG. 1 is a diagram showing an example of the configuration of an automatic chemical analyzer to which a height adjustment device and a height adjustment method according to the present disclosure are applied;
  • FIG. 1 is a diagram showing a configuration example of a stirring mechanism to which a height adjustment device according to the present disclosure is applied.
  • 1 is a schematic cross-sectional view of a height adjustment device according to a first embodiment of the present disclosure.
  • FIG. 4 is a top view of a hollow rod member according to the first embodiment.
  • FIG. 2 is a front view of a hollow rod member according to the first embodiment.
  • FIG. 2 is a side view of a hollow rod member according to the first embodiment.
  • FIG. 3 is a cross-sectional view of a hollow rod member according to the first embodiment.
  • FIG. 5A to 5C are explanatory diagrams of a method for adjusting and fixing the height relative to a reference plane in the first embodiment.
  • 1 is a diagram showing a specific product example of the height adjustment device according to the first embodiment.
  • FIG. 7B is a partial cross-sectional view of the example shown in FIG. 7A.
  • FIG. 11 is a cross-sectional view of a hollow rod member according to a second embodiment.
  • 13 is an explanatory diagram of a method for adjusting and fixing the height relative to a reference plane in the second embodiment.
  • FIG. 1 is a diagram showing an example of the configuration of an automatic chemical analyzer (automatic analyzer) 100 to which the height adjustment device and height adjustment method according to Examples 1 to 3 are applied.
  • FIG. 2 is a diagram showing an example of the configuration of a stirring mechanism to which the height adjustment device according to Examples 1 to 3 is applied.
  • the automated chemical analysis device 100 dispenses a sample and a reagent into a reaction vessel 107 using a sample dispenser 105 and a reagent dispenser 106, respectively. This produces a stirred liquid in the reaction vessel 107.
  • the reaction vessels 107 into which the sample and the reagent have been dispensed are arranged circumferentially on a reaction disk 108. In this example, the reaction vessels 107 rotate clockwise.
  • the liquid to be stirred in the reaction vessel 107 is stirred and mixed in a non-contact manner by the ultrasonic stirring mechanism 109.
  • the reaction between the mixed sample and reagent is promoted, and the absorption characteristics are measured by the absorbance meter 110.
  • the absorbance measurement i.e., analysis
  • the reaction vessel 107 is washed by a washing mechanism (not shown).
  • the reaction vessels 107 arranged circumferentially on the reaction disk 108 are in contact with constant temperature water circulating in the constant temperature bath 111, and are kept at a constant temperature via the constant temperature water at a specified temperature.
  • constant temperature water is used as an example of a liquid that transmits sound waves, but in other examples, the liquid that transmits sound waves is not limited to a constant temperature liquid, and is not limited to water.
  • the automated chemical analyzer 100 is equipped with a host computer (not shown).
  • the host computer exchanges signals with the sample disk 102 on which the sample cups 101 are held, the reagent cooling disk 104 on which the reagent bottles 103 are held, the sample dispenser 105, the reagent dispenser 106, the reaction disk 108, etc., and controls the operation sequence of each by sending commands to these.
  • the host computer also controls the operation of the automated chemical analyzer 100 as a whole.
  • the host computer can be configured as a known computer.
  • the host computer has a calculation means for performing calculations and a storage means for storing information.
  • the calculation means is, for example, a processor
  • the storage means is, for example, a semiconductor memory and a magnetic disk device.
  • the host computer may also have an input means for inputting information, an output means for outputting information, a communication means for transmitting and receiving information via a communication path, etc.
  • the input means is, for example, a keyboard and a mouse
  • the output means is, for example, a display device and a printer
  • the communication means is, for example, a network interface.
  • FIG. 2 is a diagram showing an example of the configuration of an ultrasonic stirring mechanism 109 to which the height adjustment device of the present disclosure is applied, and includes a cross section of the ultrasonic stirring mechanism 109 (part surrounded by a dashed line) shown in FIG. 1.
  • FIG. 2 also includes a cross section parallel to the vertical direction and the radial direction of the reaction disk 108.
  • the automated chemical analysis device 100 stirs the reaction vessel 107 by irradiating it with ultrasonic waves using a piezoelectric element 114 with an ultrasonic stirring mechanism 109 attached to the top of a height adjustment device 113. For this reason, the automated chemical analysis device 100 is equipped with an ultrasonic stirring mechanism 109.
  • the ultrasonic stirring mechanism 109 is attached to a horizontal surface 112, and its height position is adjusted by an attachment height adjustment device 113 that can adjust the attachment height 206 relative to the reaction vessel 107.
  • the sound waves generated by the piezoelectric element 114 are reflected by a reflector plate 115.
  • Example 1 Next, a first embodiment of the present disclosure will be described.
  • FIG. 3 is a schematic cross-sectional view of the height adjustment device 113 according to Example 1 of the present disclosure.
  • FIG. 4A is a top view of the hollow rod member 202 of the height adjustment device 113 according to Example 1.
  • FIG. 4B is a front view of the hollow rod member 202 of the height adjustment device 113 according to Example 1.
  • FIG. 4C is a side view of the hollow rod member 202 of the height adjustment device 113 according to Example 1.
  • FIG. 4D is a cross-sectional view of the hollow rod member 202 of the height adjustment device 113 according to Example 1.
  • FIG. 5 is a front view of the fixing screw 204 inserted into the hollow rod member 202 of the height adjustment device 113 according to the first embodiment.
  • FIG. 6 is an explanatory diagram of a method for adjusting and fixing the height 206 relative to the reference plane in the first embodiment.
  • the height adjustment device 113 includes a fixed member 201 fixed to the horizontal surface 112 of the horizontal fixed base 116, a hollow rod member 202 formed to be elongated in the vertical direction, and a vertical position movable member 203 fixed to the fixed member 201 via the hollow rod member 202 on the upper surface of the fixed member 201.
  • a hole is formed in the vertical position movable member 203 that penetrates from the upper surface to the lower surface, and an opening 205 is formed on the upper surface of the vertical position movable member 203 by inserting the rod member 202 from the lower surface to the upper surface into this hole.
  • the height position of the vertical position movable member 203 can be set.
  • a fixing screw (male screw) 204 is inserted from above to below the opening 205 into the hollow part of the rod member 202 and tightened, so that the rod member 202 applies a force to the vertical position movable member 203 in the horizontal direction (diameter expansion method) and fixes the vertical position movable member 203.
  • the fixing screw 204 By loosening the fixing screw 204, the horizontal force fixing the vertically movable member 203 is eliminated, and the height 206 relative to the horizontal plane 112, which is the reference plane, can be adjusted.
  • the hollow rod member 202 is formed with a first notch 207 cut into a long and narrow shape in the vertical direction (lengthwise direction), and a second notch 208 cut into a long and narrow shape in the vertical direction (lengthwise direction) at a predetermined distance from the first notch 207 along the circumferential direction of the rod member 202.
  • the upper end 209 of the hollow rod member 202 is tapered on the inner circumference, and the lower end 210 has a female thread formed on the inner surface.
  • the base portion 211 of the fixing screw 204 is tapered on the outer periphery.
  • Figure 6 is an explanatory diagram of a method for adjusting and fixing the height of the vertically movable member 203 relative to the horizontal plane 112, which is the reference plane.
  • the operator adjusts the height of the vertical position movable member 203 from above and holds it in the appropriate position. Then, using a screwdriver or the like, the fixing screw 204 is tightened from above the vertical position movable member 203, causing the hollow rod member 202, which has a first notch 207 and a second notch 208 formed therein, to expand in diameter along the tapered surface of the fixing screw 204, causing the rod member 202 to apply a force in the horizontal direction to the vertical position movable member 203, thereby fixing the position of the vertical position movable member 203.
  • FIG. 7A shows a specific product example of the height adjustment device 113 according to the first embodiment
  • FIG. 7B is a partial cross-sectional view of the example shown in FIG. 7A.
  • the vertically movable member 203 is disposed on top of the fixed member 201, and the agitation mechanism mounting base 216 is disposed on top of the vertically movable member 203.
  • the ultrasonic agitation mechanism 109 is attached to this agitation mechanism mounting base 216.
  • the vertically movable member 203 is placed on the fixed member 201, and the height of the vertically movable member 203 is adjusted using the height adjustment screw 215. Then, the fixing screw 204 is inserted into the hollow rod member 202 and rotated to fix the vertically movable member 203 to the fixed member 201.
  • a height adjustment device 113 and a height adjustment method can be provided that can fix a fixing member 201, which is a component member, to a horizontal surface 112 and adjust the height dimension relative to a reference surface from the top side of the automated chemical analysis device 100.
  • Example 2 The difference between Example 2 and Example 2 is the shape of the hollow rod member 202 and the fixing screw 204 in Figure 6 showing Example 1.
  • FIG. 8 is a cross-sectional view of the hollow rod member 202 in the second embodiment
  • FIG. 9 is an explanatory diagram of a method for adjusting and fixing the height relative to the horizontal plane 112, which is the reference plane in the second embodiment.
  • the hollow rod member 202 has a first rod member 212 and a second rod member 213 arranged below the first rod member 212, and the second rod member 213 has a female thread formed on its inner diameter.
  • the fixing screw 204 inserted into the hollow rod member 202 is composed of a commonly used general-purpose male screw.
  • the contact portion 214 between the lower end surface of the first rod member 212 and the upper end surface of the second rod member 213 is inclined at a predetermined angle with respect to the horizontal plane and is in contact with each other.
  • a female thread is formed on the inner surface of the lower end portion of the second rod member 213.
  • the fixing screw 204 is inserted into the hollow rod member 202, rotated, and engaged with the female thread of the second rod member 213 and tightened, causing the first rod member 212 and the second rod member to slide in the direction of expanding the diameter of the vertical position movable member 203 along the inclination of the connection part 214.
  • the first rod member 212 and the second rod member 213 apply a force in the horizontal direction to the vertical position movable member 203, fixing the position of the vertical position movable member 203.
  • the height dimension of the ultrasonic stirring mechanism 109 attached to the top of the height adjustment device 113 having the vertically movable member 203 with respect to the reference plane can be adjusted from the top side of the device.
  • a height adjustment device 113 and a height adjustment method can be provided that can fix the fixing member 201, which is a component, to a horizontal surface 112 and adjust the height dimension relative to the reference surface from the top side of the automated chemical analysis device 100.
  • the present disclosure is not limited to the above-described embodiments, but can also be applied to other industrial equipment besides automatic analysis equipment, such as cleaning equipment and inspection equipment that use sonic waves.
  • the fixing screw 204 is used as a member for fixing the vertical position movable member 203 to the rod member 202, but it is not limited to a screw, and a tapered rod member may be used as long as it can press the hollow rod member 202 in the radial expansion direction. Therefore, the members that press the hollow rod member 202 in the radial expansion direction, including the fixing screw 204, are collectively referred to as the radial expansion direction pressing member.
  • 100 automatic chemical analyzer (automatic analyzer), 101: sample cup, 102: sample disk, 103: reagent bottle, 104: reagent cooling disk, 105: sample dispenser, 106: reagent dispenser, 107: reaction vessel, 108: reaction disk, 109: ultrasonic stirring mechanism, 110: spectrophotometer, 111: mounting height adjustment mechanism, 112: horizontal surface, 113: height adjustment device, 114: piezoelectric element, 115: reflector , 116: horizontal fixed base, 201: fixed member, 202: hollow rod member, 203: vertically movable member, 204: fixed screw (expansion direction pressing member (male screw)), 205: opening, 206: height relative to the reference surface, 207: first notch, 208: second notch, 209: upper end, 210: lower end, 211: base, 212: first rod member, 213: second rod member, 214: contact portion, 215: height adjustment screw, 216: stirring mechanism mounting base

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  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Sampling And Sample Adjustment (AREA)
PCT/JP2023/044653 2023-03-31 2023-12-13 高さ調整装置および高さ調整方法 Ceased WO2024202295A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2025509733A JPWO2024202295A1 (https=) 2023-03-31 2023-12-13
EP23930915.6A EP4692632A1 (en) 2023-03-31 2023-12-13 Height adjustment device and height adjustment method
CN202380092879.4A CN120604069A (zh) 2023-03-31 2023-12-13 高度调整装置及高度调整方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023057298 2023-03-31
JP2023-057298 2023-03-31

Publications (1)

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WO2024202295A1 true WO2024202295A1 (ja) 2024-10-03

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PCT/JP2023/044653 Ceased WO2024202295A1 (ja) 2023-03-31 2023-12-13 高さ調整装置および高さ調整方法

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EP (1) EP4692632A1 (https=)
JP (1) JPWO2024202295A1 (https=)
CN (1) CN120604069A (https=)
WO (1) WO2024202295A1 (https=)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58559A (ja) * 1981-06-22 1983-01-05 ワイケイケイ株式会社 既設手摺の改装工法
JPH0849451A (ja) * 1994-08-09 1996-02-20 Nippon Steel Metal Prod Co Ltd 支柱用ベースプレート
JP2001112561A (ja) * 1999-08-12 2001-04-24 Kowa Kogyo Kk 弾性伸縮棒
JP2004329395A (ja) * 2003-05-02 2004-11-25 Takara Sangyo Kk 室内用物干し等に於ける吊掛棒の長さ調整機構
JP3661076B2 (ja) * 1998-11-18 2005-06-15 株式会社日立製作所 化学分析装置
JP3746239B2 (ja) 2002-02-28 2006-02-15 株式会社日立ハイテクノロジーズ 自動分析装置
JP2007040843A (ja) * 2005-08-03 2007-02-15 Hitachi High-Technologies Corp 自動分析装置
JP2009257365A (ja) 2008-04-14 2009-11-05 Rinrei:Kk 棒部材の連結機構

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58559A (ja) * 1981-06-22 1983-01-05 ワイケイケイ株式会社 既設手摺の改装工法
JPH0849451A (ja) * 1994-08-09 1996-02-20 Nippon Steel Metal Prod Co Ltd 支柱用ベースプレート
JP3661076B2 (ja) * 1998-11-18 2005-06-15 株式会社日立製作所 化学分析装置
JP2001112561A (ja) * 1999-08-12 2001-04-24 Kowa Kogyo Kk 弾性伸縮棒
JP3746239B2 (ja) 2002-02-28 2006-02-15 株式会社日立ハイテクノロジーズ 自動分析装置
JP2004329395A (ja) * 2003-05-02 2004-11-25 Takara Sangyo Kk 室内用物干し等に於ける吊掛棒の長さ調整機構
JP2007040843A (ja) * 2005-08-03 2007-02-15 Hitachi High-Technologies Corp 自動分析装置
JP2009257365A (ja) 2008-04-14 2009-11-05 Rinrei:Kk 棒部材の連結機構

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4692632A1

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Publication number Publication date
EP4692632A1 (en) 2026-02-11
CN120604069A (zh) 2025-09-05
JPWO2024202295A1 (https=) 2024-10-03

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