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CN113578216A - Stable heating reaction chemical instrument is placed in centre gripping - Google Patents

Stable heating reaction chemical instrument is placed in centre gripping Download PDF

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Publication number
CN113578216A
CN113578216A CN202110697817.9A CN202110697817A CN113578216A CN 113578216 A CN113578216 A CN 113578216A CN 202110697817 A CN202110697817 A CN 202110697817A CN 113578216 A CN113578216 A CN 113578216A
Authority
CN
China
Prior art keywords
clamping
beaker
heating reaction
rod
base
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.)
Pending
Application number
CN202110697817.9A
Other languages
Chinese (zh)
Inventor
陈诚
闵永亚
张世刚
杨伟智
杨硕
薛佳斌
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.)
Nanjing Vocational College Of Information Technology
Original Assignee
Nanjing Vocational College Of Information Technology
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 Nanjing Vocational College Of Information Technology filed Critical Nanjing Vocational College Of Information Technology
Priority to CN202110697817.9A priority Critical patent/CN113578216A/en
Publication of CN113578216A publication Critical patent/CN113578216A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • B01J19/0013Controlling the temperature of the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00004Scale aspects
    • B01J2219/00011Laboratory-scale plants
    • B01J2219/00013Miniplants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00018Construction aspects
    • B01J2219/00022Plants mounted on pallets or skids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00157Controlling the temperature by means of a burner

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a heating reaction chemical instrument with stable clamping and placing, which comprises a base and a bracket, and also comprises: the clamping mechanism is movably connected with the support and is used for carrying out compression type positioning and clamping on the beaker, the clamping mechanism comprises a driving part and a clamping part, and the clamping mechanism can drive the clamping part to carry out linear reciprocating motion through the driving part so as to carry out compression type clamping and positioning on the beaker; the height adjusting mechanism is movably connected with the base and used for pushing the alcohol lamp to perform linear reciprocating motion, the height adjusting mechanism comprises a screw rod A, a power assembly and an adjusting assembly, and the height adjusting mechanism can utilize the power assembly to convert the rotary motion of the screw rod A into the linear reciprocating motion of the adjusting assembly. The alcohol burner can stably clamp the beaker and control the heating temperature of the alcohol burner on the beaker.

Description

Stable heating reaction chemical instrument is placed in centre gripping
Technical Field
The invention relates to the technical field of chemical instruments, in particular to a heating reaction chemical instrument stable in clamping and placement.
Background
The apparatus used in chemical experiment is called chemical apparatus, the chemical apparatus can measure or react materials, the chemical apparatus is mainly divided into measuring apparatus and reaction apparatus, the chemical apparatus is combined in a specific mode to form a device, thereby realizing the purpose of experiment, the beaker is usually used as a reaction container when the amount of reactants is large, in addition, the beaker is also used for preparing solution, accelerating the dissolution of substances, promoting the evaporation of solvent and the like, and the type and specification of the beaker are large.
The clamping mode of the existing heating reaction chemical instrument is basically that a clamping plate is adjusted by a screw rod to be close to a beaker so as to clamp the beaker.
The unstable beaker of current device centre gripping easily appears empting the phenomenon, can't adjust the high staff operation of centre gripping inconvenience and can't adjust the heating temperature to the beaker.
Disclosure of Invention
Solves the technical problem
The invention discloses a heating reaction chemical instrument with stable clamping and placement, which solves the problems that a beaker clamped by an instable device in the prior art is easy to topple, the clamping height cannot be adjusted, a worker is inconvenient to operate, the heating temperature of the beaker cannot be adjusted, and the like.
Technical scheme
The invention provides a heating reaction chemical instrument with stable clamping and placing, which comprises a base, an alcohol lamp and a bracket, and further comprises:
the clamping mechanism is movably connected with the support and is used for performing compression type positioning and clamping on the beaker, the clamping mechanism comprises a driving part and a clamping part, and the clamping mechanism can drive the clamping part to perform linear reciprocating motion through the driving part to perform compression type clamping and positioning on the beaker;
the height adjusting mechanism is movably connected with the base and used for pushing the alcohol lamp to perform linear reciprocating motion, the height adjusting mechanism comprises a screw rod A, a power assembly and an adjusting assembly, and the height adjusting mechanism can convert the rotary motion of the screw rod A into the linear reciprocating motion of the adjusting assembly by utilizing the power assembly;
and the lifting mechanism is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to perform reciprocating vertical displacement motion.
Preferably, the driving portion comprises a fixed seat, a groove B is formed in the fixed seat, a pressing plate is arranged in the groove B, a pressing rod is fixedly connected to the pressing plate, a spring is fixedly connected between the pressing rod and the inner wall of the groove, a handle is rotatably connected to the fixed seat, an eccentric wheel in contact with the pressing rod is fixedly connected to the handle, and the pressing plate is in transmission connection with the clamping portion.
Preferably, the clamping part comprises a fixed rod, two groups of limiting columns are symmetrically arranged on the fixed rod and located on two sides of the pressing plate, and a groove C matched with the fixed rod is formed in the fixed seat.
Preferably, the slot C is an arc-shaped slot or a V-shaped slot, the two fixing rods are symmetrically arranged relative to the fixing base, and the arc-shaped slot is formed in the fixing rod.
Preferably, the power assembly comprises a box body and a cylinder body, the cylinder body is in threaded fit with the screw rod A, a sliding groove A is formed in the front face of the cylinder body and is in sliding fit with a pin shaft A fixedly connected to the box body, a groove A is formed in the back face of the cylinder body, two limiting strips are fixedly connected to the surface of the groove A, and the limiting strips are in sliding fit with the adjusting assembly.
Preferably, the adjusting component comprises an ejector rod and a placing plate, the ejector rod is in sliding fit with the box body, a sliding block in sliding fit with the limiting strip is fixedly connected to the ejector rod, one end, far away from the box body, of the ejector rod is fixedly connected with the placing plate, and the alcohol lamp is placed at one end, far away from the box body, of the placing plate.
Preferably, elevating system includes lead screw B and guide bar, lead screw B with support and base rotate to be connected, guide bar and support fixed connection, lead screw B and fixing base screw-thread fit, guide bar and fixing base sliding fit, lead screw B and the motor fixed connection who sets up in the base.
Has the advantages that:
compared with the prior art, the chemical instrument for heating reaction, which is provided by the invention, has the following advantages that:
1. the clamping mechanism drives the clamping part to do linear reciprocating motion by utilizing the driving part, so that the clamping part is close to or far away from the beaker, and the purpose of the arrangement is to stably clamp the beaker so that the beaker cannot topple;
2. the height adjusting mechanism utilizes the power assembly to convert the rotary motion of the screw rod A into the linear reciprocating motion of the adjusting assembly so as to push the alcohol lamp to be close to or far away from the beaker, and the arrangement aims to control the heating temperature of the beaker by adjusting the height of the alcohol lamp;
3. the lifting mechanism can adjust the height of the clamping mechanism, and the arrangement aims to adjust the beaker clamped by the clamping mechanism to the height required by a worker;
4. can stabilize the centre gripping and can control the heating temperature of alcohol burner to the beaker.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a schematic structural diagram of a clamping mechanism in the present application.
Fig. 3 is a cross-sectional view a-a of the present application.
Fig. 4 is a schematic structural view of the handle in the present application.
Fig. 5 is a schematic structural diagram of a height adjustment mechanism in the present application.
Description of reference numerals: 1. a base; 2. a box body; 3. a screw mandrel A; 4. a pin shaft A; 5. a chute A; 6. a top rod; 7. placing the plate; 8. an alcohol lamp; 9. a motor; 10. a screw mandrel B; 11. a support; 12. a cylinder; 13. a guide bar; 14. a fixed seat; 15. a handle; 16. a slot position A; 17. a limiting strip; 18. a pin B; 19. a chute B; 20. a slot position B; 21. fixing the rod; 22. a spring; 23. a pressure lever; 24. an eccentric wheel; 25. a limiting column; 26. a through hole; 27. a screw hole; 28. and (7) pressing a plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a stable holding chemical instrument for heating reaction, which includes a base 1, an alcohol burner 8 and a bracket 11, and further includes:
the clamping mechanism is movably connected with the support 11 and is used for performing compression type positioning and clamping on the beaker, the clamping mechanism comprises a driving part and a clamping part, and the clamping mechanism can drive the clamping part to perform linear reciprocating motion through the driving part to perform compression type clamping and positioning on the beaker;
the height adjusting mechanism is movably connected with the base 1 and used for pushing the alcohol lamp 8 to do linear reciprocating motion, the height adjusting mechanism comprises a screw rod A3, a power assembly and an adjusting assembly, and the height adjusting mechanism can convert the rotary motion of the screw rod A3 into the linear reciprocating motion of the adjusting assembly by utilizing the power assembly;
and the lifting mechanism is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to perform reciprocating vertical displacement motion.
In the embodiment of the invention, the clamping mechanism drives the clamping part to do linear reciprocating motion by utilizing the driving part so as to enable the clamping part to be close to or far away from the beaker, and the purpose of the arrangement is to realize stable clamping of the beaker so that the beaker cannot topple over; secondly, the height adjusting mechanism converts the rotary motion of the screw rod A3 into the linear reciprocating motion of the adjusting assembly by utilizing the power assembly so as to push the alcohol lamp 8 to be close to or far away from the beaker, and the purpose of the arrangement is to control the heating temperature of the beaker by adjusting the height of the alcohol lamp 8; finally, the lifting mechanism can adjust the height of the clamping mechanism, and the purpose of the arrangement is to adjust the beaker clamped by the clamping mechanism to the height required by a worker.
Example 2
As shown in fig. 1-3, in this embodiment, a heating reaction chemical instrument with stable clamping and placement is provided, as shown in embodiment 1, the driving portion includes a fixed seat 14, a slot B20 is formed in the fixed seat 14, a pressing plate 28 is arranged in the slot B20, a pressing rod 23 is fixedly connected to the pressing plate 28, a spring 22 is fixedly connected between the pressing rod 23 and an inner wall of the slot, a handle 15 is rotatably connected to the fixed seat 14, an eccentric wheel 24 in contact with the pressing rod 23 is fixedly connected to the handle 15, and the pressing plate 28 is in transmission connection with the clamping portion;
the handle 15 is rotated to drive the eccentric wheel 24 to press the pressing plate 28, and the pressing plate 28 performs linear reciprocating motion along with the rotation of the eccentric wheel 24, so that the clamping part is driven to be close to or far away from the beaker through the linear reciprocating motion of the pressing plate 28, and the clamping action of the beaker is completed.
Example 3
As shown in FIGS. 2 to 3, this example provides a chemical apparatus for heating reaction which is stable in holding and placing, as shown in examples 1 to 2: the clamping part comprises a fixed rod 21, two groups of limiting columns 25 are symmetrically arranged on the fixed rod 21, the limiting columns 25 are positioned on two sides of the pressing plate 28, and a groove C matched with the fixed rod 21 is formed in the fixed seat 14;
the groove position C is an arc-shaped groove or a V-shaped groove; the end of the fixed seat 14 is also provided with a through hole 26 and a screw hole 27.
The fixing rods 21 are arranged in two and are symmetrically arranged relative to the fixing seat 14, and arc-shaped grooves are formed in the fixing rods 21.
The pressing plate 28 drives the fixing rod to perform linear reciprocating motion along the fixing seat 14 through the two sets of limiting columns 25, and the purpose of the arrangement is to approach or keep away from the beaker through the linear reciprocating motion of the fixing rod 21, so that the beaker is clamped or loosened.
Example 4
As shown in FIGS. 1 and 5, this example provides a chemical apparatus for heating reaction which is stable in holding and placing, as shown in examples 1 to 3;
the power assembly comprises a box body 2 and a column body 12, the column body 12 is in threaded fit with a lead screw A3, the front surface of the column body 12 is provided with a sliding groove A5, the sliding groove A5 is in sliding fit with a pin shaft A4 fixedly connected to the box body 2, the back surface of the column body 12 is provided with a groove position A16, the surface of the groove position A16 is fixedly connected with two limiting strips 17, and the limiting strips 17 are in sliding fit with the adjusting assembly;
the box body 2 is provided with two screws which are symmetrical about the screw rod A3.
In the embodiment of the invention, the screw A3 is rotated to drive the column 12 in threaded fit with the screw to perform a linear reciprocating motion in the horizontal direction along the box body 2, and at this time, the column 12 pushes the adjusting assembly to perform a linear reciprocating motion in the vertical direction by using the two limiting strips 17 arranged on the column 12, and this arrangement aims to convert the rotational motion of the screw A3 into a linear reciprocating motion in the vertical direction of the adjusting assembly.
Example 6
As shown in FIGS. 1 and 5, this example provides a chemical apparatus for heating reaction which is stable in holding and placing, as shown in examples 1 to 5;
the adjusting assembly comprises a top rod 6 and a placing plate 7, the top rod 6 is in sliding fit with the box body 2, a sliding block in sliding fit with the limiting strip 17 is fixedly connected to the top rod 6, and the sliding block slides through a pin shaft B18 and a sliding groove B19;
one end of the ejector rod 6, which is far away from the box body 2, is fixedly connected with a placing plate 7, and one end of the placing plate 7, which is far away from the box body 2, is provided with an alcohol lamp 8;
the push rod 6 is driven by the column 12 and the limiting strip 17 arranged on the column to do linear reciprocating motion in the vertical direction along the box body 2, the purpose of the arrangement is to push the alcohol lamp 8 arranged on the placing plate 7 to do linear reciprocating motion through the push rod 2, and therefore the height of the alcohol lamp 8 is adjusted to control the heating temperature of the beaker.
Example 7
As shown in FIG. 1, the present example provides a chemical apparatus for heating reaction which is stable in holding and placing, as shown in examples 1 to 6;
the lifting mechanism comprises a lead screw B10 and a guide rod 13, the lead screw B10 is rotatably connected with the bracket 11 and the base 1, the guide rod 13 is fixedly connected with the bracket 11, the lead screw B10 is in threaded fit with the fixed seat 14, the guide rod 13 is in sliding fit with the fixed seat 14, and the lead screw B10 is fixedly connected with a motor 9 arranged in the base 1;
the guide rods 13 are provided with two guide rods and are symmetrical about the screw rod B10;
motor 9 drives the rotatory B10 of lead screw, and lead screw B10 drives fixing base 14 and carries out ascending linear reciprocating motion of vertical side along guide bar 13, and the height of beaker on the clamping part is adjusted through driving the base and carrying out ascending linear reciprocating motion of vertical side to the aim at of this kind of setting, makes it reach the required height of staff, satisfies staff's working habit.
The heating reaction chemical instrument with stable clamping and placing is provided in the embodiment of the invention, and the clamping mechanism, the height adjusting mechanism and the lifting mechanism are provided based on the heating reaction chemical instrument, so that the technical effect that the beaker is stably clamped and is not easy to topple is obtained through the pressing type clamping of the clamping mechanism on the beaker, the effect that the height adjusting mechanism controls the heating temperature of the beaker through controlling the height of the alcohol lamp 8 is achieved, and the technical effect that the height of the beaker is controlled through the lifting mechanism so as to meet the use habit of a worker is met.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a stable chemical instrumentation for heating reaction is placed to centre gripping, includes base (1), alcohol burner (8) and support (11), its characterized in that still includes:
a clamping mechanism: the clamping mechanism is movably connected with the support (11) and is used for carrying out compression type positioning and clamping on the beaker, the clamping mechanism comprises a driving part and a clamping part, and the clamping mechanism can drive the clamping part to carry out linear reciprocating motion through the driving part to carry out compression type clamping and positioning on the beaker;
height adjustment mechanism: the height adjusting mechanism is movably connected with the base (1) and used for pushing the alcohol lamp (8) to perform linear reciprocating motion, the height adjusting mechanism comprises a screw rod A (3), a power assembly and an adjusting assembly, and the height adjusting mechanism can convert the rotary motion of the screw rod A (3) into the linear reciprocating motion of the adjusting assembly by utilizing the power assembly;
the lifting mechanism: the lifting mechanism is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to perform reciprocating vertical displacement motion.
2. A chemical apparatus for heating reaction which is stable in holding and placing according to claim 1, wherein: the drive part includes fixing base (14), trench B (20) have been seted up in fixing base (14), be provided with clamp plate (28) in trench B (20), fixedly connected with depression bar (23) on clamp plate (28), fixedly connected with spring (22) between the inner wall of depression bar (23) and trench B (20), it is connected with handle (15) to rotate on fixing base (14), eccentric wheel (24) of fixedly connected with and depression bar (23) contact on handle (15), clamp plate (28) with the clamping part transmission is connected.
3. A chemical apparatus for heating reaction which is stable in holding and placing according to claim 2, wherein: the clamping part comprises a fixing rod (21), two groups of limiting columns (25) are symmetrically arranged on the fixing rod (21), the limiting columns (25) are located on two sides of a pressing plate (28), and a groove C matched with the fixing rod (21) is formed in the fixing seat (14).
4. A chemical apparatus for heating reaction according to claim 3, wherein: the trench C is an arc-shaped groove or a V-shaped groove, the two fixing rods (21) are symmetrically arranged relative to the fixing base (14), and the arc-shaped groove is formed in the fixing rod (21).
5. A chemical apparatus for heating reaction which is stable in holding and placing according to claim 1, wherein: power component includes box (2) and cylinder (12), cylinder (12) and lead screw A (3) screw-thread fit, spout A (5) have openly been seted up in cylinder (12), round pin axle A (4) sliding fit on box (2) of spout A (5) and fixed connection, trench A (16) have been seted up at cylinder (12) back, trench A (16) fixed surface is connected with two spacing (17), spacing (17) with adjusting part sliding fit.
6. A chemical apparatus for heating reaction according to claim 5, wherein: the adjusting assembly comprises an ejector rod (6) and a placing plate (7), the ejector rod (6) is in sliding fit with the box body (2), a sliding block which is in sliding fit with a limiting strip (17) is fixedly connected to the ejector rod (6), one end, far away from the box body (2), of the ejector rod (6) is fixedly connected with the placing plate (7), and the alcohol lamp (8) is placed at one end, far away from the box body (2), of the placing plate (7).
7. A chemical apparatus for heating reaction which is stable in holding and placing according to claim 1, wherein: elevating system includes lead screw B (10) and guide bar (13), lead screw B (10) rotates with support (11) and base (1) to be connected, guide bar (13) and support (11) fixed connection, lead screw B (10) passes through screw-thread fit with fixing base (14), guide bar (13) and fixing base (14) sliding fit, lead screw B (10) and motor (9) fixed connection who sets up in base (1).
CN202110697817.9A 2021-06-23 2021-06-23 Stable heating reaction chemical instrument is placed in centre gripping Pending CN113578216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110697817.9A CN113578216A (en) 2021-06-23 2021-06-23 Stable heating reaction chemical instrument is placed in centre gripping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110697817.9A CN113578216A (en) 2021-06-23 2021-06-23 Stable heating reaction chemical instrument is placed in centre gripping

Publications (1)

Publication Number Publication Date
CN113578216A true CN113578216A (en) 2021-11-02

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CN202110697817.9A Pending CN113578216A (en) 2021-06-23 2021-06-23 Stable heating reaction chemical instrument is placed in centre gripping

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CN (1) CN113578216A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116642C1 (en) * 2001-04-04 2002-12-19 Evotec Ag Pipette system for the delivery of the smallest liquid samples has adjustment mechanism with base plate and tilting counter plate which is locked in place after setting to prevent shifting
CN107999157A (en) * 2017-12-29 2018-05-08 武汉纤然纤维素有限公司 A kind of oil bath pan for having the function of automatically to step up and shake
CN209519797U (en) * 2018-11-02 2019-10-22 河北农业大学 Portable support of chemical engineering experiment
CN211801004U (en) * 2020-01-08 2020-10-30 陈新 Experiment frame for chemistry experiments
CN111871480A (en) * 2020-09-11 2020-11-03 高犇 Physical teaching is with safe type experimental apparatus
CN112058336A (en) * 2020-09-14 2020-12-11 湘潭博学宏成文化传播有限公司 Iron stand platform for chemical test

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116642C1 (en) * 2001-04-04 2002-12-19 Evotec Ag Pipette system for the delivery of the smallest liquid samples has adjustment mechanism with base plate and tilting counter plate which is locked in place after setting to prevent shifting
CN107999157A (en) * 2017-12-29 2018-05-08 武汉纤然纤维素有限公司 A kind of oil bath pan for having the function of automatically to step up and shake
CN209519797U (en) * 2018-11-02 2019-10-22 河北农业大学 Portable support of chemical engineering experiment
CN211801004U (en) * 2020-01-08 2020-10-30 陈新 Experiment frame for chemistry experiments
CN111871480A (en) * 2020-09-11 2020-11-03 高犇 Physical teaching is with safe type experimental apparatus
CN112058336A (en) * 2020-09-14 2020-12-11 湘潭博学宏成文化传播有限公司 Iron stand platform for chemical test

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Application publication date: 20211102