CN107175143B - Prevent frame that drips that test tube rocked - Google Patents
Prevent frame that drips that test tube rocked Download PDFInfo
- Publication number
- CN107175143B CN107175143B CN201710411688.6A CN201710411688A CN107175143B CN 107175143 B CN107175143 B CN 107175143B CN 201710411688 A CN201710411688 A CN 201710411688A CN 107175143 B CN107175143 B CN 107175143B
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- China
- Prior art keywords
- rod body
- jacking
- plunger
- parts
- test tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a drip rack for preventing test tubes from shaking, which comprises: picture peg and the plunger of setting on the picture peg, wherein: the outer sleeve of the plunger is provided with a sliding sleeve in sliding fit with the plunger, the plunger comprises a rod body and at least two jacking parts, the jacking parts are located at one end of the rod body and fixed with the rod body, each jacking part is of a strip-shaped structure with one end fixed with the rod body, each jacking part is made of a material with elastic deformation capacity, the number of the jacking parts is at least two, each jacking part is annularly and uniformly distributed around the axis of the rod body, when the sliding sleeve is located on the periphery of the rod body, the distance between each jacking part and the axial lead of the rod body is sequentially increased from one side close to the rod body to one side far away from the rod body, and when the sliding sleeve slides to the end, far away from the rod body, of the jacking parts along the rod body, each jacking part is sequentially abutted to enter a. The test tube inserting device can keep the test tube inserted on the inserting rod stable and avoid the test tube from shaking.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to a dripping rack for preventing a test tube from shaking.
Background
The drip stand is a tool commonly used in laboratories for dripping water drops in test tubes. The rod body structure that the plunger in the frame that drips of current is all single, and the test tube is when accuse water, directly inserts on the plunger. This makes to have huge activity space between test tube and the plunger, and in case the frame that drips is rocked, the test tube person on the plunger can produce and rock, can make between test tube and the plunger and between test tube and the test tube produce the collision, and not only the noise is big, and produces the damage easily.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a drip stand for preventing a test tube from shaking, so as to prevent the test tube inserted on an insert rod from shaking.
The invention provides a drip rack for preventing a test tube from shaking, which comprises: picture peg and the plunger of setting on the picture peg, wherein:
the outer sleeve of the plunger is provided with a sliding sleeve in sliding fit with the plunger, the plunger comprises a rod body and at least two jacking parts, the jacking parts are located at one end of the rod body and fixed with the rod body, each jacking part is of a strip-shaped structure with one end fixed with the rod body, each jacking part is made of a material with elastic deformation capacity, the number of the jacking parts is at least two, each jacking part is annularly and uniformly distributed around the axis of the rod body, when the sliding sleeve is located on the periphery of the rod body, the distance between each jacking part and the axial lead of the rod body is sequentially increased from one side close to the rod body to one side far away from the rod body, and when the sliding sleeve slides to the end, far away from the rod body, of the jacking parts along the rod body, each jacking part is sequentially abutted to enter a.
Preferably, when the jacking portions are in a clasping state, the outer peripheral surfaces of the jacking portions are sequentially connected to form an annular curved surface which is coaxially arranged with the rod body.
Preferably, the pressing part is an arc-shaped plate which is bent along the length direction of the pressing part, so that the axial lead of the arc-shaped plate extends from one end close to the rod body to one end far away from the rod body.
Preferably, an elastic member is arranged between the top pressing parts, is positioned at one end of the top pressing part close to the rod body and has elastic force capable of contracting along the radial direction of the rod body.
Preferably, the resilient member is a loop made of an elastic material.
Preferably, the resilient member is a resilient element made of spring steel.
Preferably, the jacking portion is a strip-shaped structural member with a sector-shaped cross section, and the strip-shaped structural member is gradually bent outwards from one end close to the rod body to one end far away from the rod body.
Preferably, the number of the pressing portions is three.
Preferably, the sliding sleeve is provided with a ring edge fixed with the sliding sleeve at one end close to the top pressing part.
Preferably, a support frame is arranged on one side of the inserting plate, which is far away from the inserting rod, and the support frame is rotatably connected with the inserting plate through a pin shaft.
According to the invention, the structure of the plunger is arranged, so that the test tube comprises a plunger body and a pressing part positioned at one end of the plunger body, the structure of the pressing part is arranged, the test tube is tightened under the limiting action of the sliding sleeve and automatically opened when the limiting action of the sliding sleeve disappears, so that the test tube is inserted onto the plunger under the tightening state of the pressing part, and the sliding sleeve is pushed to slide towards the direction of the plunger body in the inserting process, so that the pressing part is opened to abut against the inner wall of the test tube, the test tube inserted onto the plunger is kept stable, and the test tube is prevented from shaking.
Drawings
FIG. 1 is a schematic structural view of a drip rack for preventing test tubes from shaking according to the present invention;
FIG. 2 is a schematic structural view of the pressing portion of the drip rack for preventing the test tube from shaking in an open state;
fig. 3 is a schematic structural diagram of the pressing portion in a tightened state in the drip rack for preventing the test tube from shaking according to the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
As shown in fig. 1-3, fig. 1 is a schematic structural view of a drip stand for preventing test tubes from shaking according to the present invention; FIG. 2 is a schematic structural view of the pressing portion of the drip rack for preventing the test tube from shaking in an open state; fig. 3 is a schematic structural diagram of the pressing portion in a tightened state in the drip rack for preventing the test tube from shaking according to the present invention.
Referring to fig. 1 to 3, a drip rack for preventing a test tube from shaking according to an embodiment of the present invention includes: picture peg 1 and setting in picture peg 2 on picture peg 1, wherein:
the outer part of the plunger 2 is sleeved with a sliding sleeve 3 which is in sliding fit with the plunger, the plunger 2 comprises a rod body 21 and a jacking part 22 which is positioned at one end of the rod body 21 and fixed with the rod body 21, the pressing parts 22 are of a strip structure with one end fixed with the rod body 21, the pressing parts 22 are made of materials with elastic deformation capacity, the number of the pressing parts 22 is three, the pressing parts 22 are annularly and uniformly distributed around the axis of the rod body 21, when the sliding sleeve 3 is positioned at the outer periphery of the rod body 21, the distance between the axial lines of the three pushing parts 22 and the rod body 21 increases gradually from one side close to the rod body 21 to one side far away from the rod body 21, when the sliding sleeve 3 slides along the rod body 21 until the top pressing part 22 is far away from the first end of the rod body 21, the three top pressing parts 22 sequentially abut against each other to enter a clasping state, and when the three top pressing parts 22 are in the clasping state, the peripheral surfaces of the three top pressing parts 22 are sequentially connected to form an annular curved surface which is coaxially arranged with the rod body 21.
In this embodiment, the outer periphery of the sliding sleeve 3 and the end near the pressing portion 22 are provided with a ring edge 31 fixed thereto, so that when the test tube is inserted into the rod 2, the port of the test tube can abut against the ring edge 31, so that the test tube can push the sliding sleeve 3 to slide toward the rod 1 during the insertion process.
In the embodiment, a support frame 5 is arranged on one side, away from the inserting rod 2, of the inserting plate 1, the support frame 5 is rotatably connected with the inserting plate 1 through a pin shaft, in the working process, the included angle between the support frame 5 and the inserting plate 1 can be adjusted by rotating the support frame 5, and then the inclination of the inserting plate 1 can be adjusted.
Example 1
The three jacking portions 22 are arc-shaped plates which are bent along the length direction of the jacking portions, so that the axial lines of the arc-shaped plates extend from one end close to the rod body 21 to one end far away from the rod body 21. An elastic part 4 is arranged between the three pushing parts 22, the elastic part 4 is positioned at one end of the pushing part 22 close to the rod body 21, and the elastic part 4 has elastic force which contracts along the radial direction of the rod body 21, so that the three pushing parts 22 have stronger opening force when being separated from the limit of the sliding sleeve 3. The elastic member 4 in this embodiment may be a ring made of an elastic material or an elastic element made of spring steel.
Example 2
The three pressing parts 22 are strip-shaped structural members with sector cross-sectional shapes, and the strip-shaped structural members are gradually bent outwards from one end close to the rod body 21 to one end far away from the rod body 21.
According to the invention, the structure of the plunger 2 is arranged, the plunger comprises a plunger body 21 and a jacking portion 22 positioned at one end of the plunger body 21, and the structure of the jacking portion 22 is arranged, so that the plunger body is tightened under the limiting action of the sliding sleeve 3 and automatically opened when the limiting action of the sliding sleeve 3 disappears, and thus, a test tube is inserted onto the plunger 2 under the tightening state of the jacking portion 22, and the sliding sleeve 3 is pushed to slide towards the plunger body 21 in the inserting and placing process, so that the jacking portion 22 is opened to abut against the inner wall of the test tube, the test tube is kept stable, and the test tube is prevented from shaking.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a prevent drip frame that test tube rocked which characterized in that includes: picture peg (2) and setting on picture peg (1) are inserted to picture peg (1), wherein:
a sliding sleeve (3) which is in sliding fit with the plunger (2) is sleeved outside the plunger (2), the plunger (2) comprises a rod body (21) and a top pressing part (22) which is positioned at one end of the rod body (21) and is fixed with the rod body (21), the jacking parts (22) are of strip structures, one ends of the jacking parts are fixed with the rod body (21), the jacking parts (22) are made of materials with elastic deformation capacity, the number of the jacking parts (22) is at least two, the jacking parts (22) are annularly and uniformly distributed around the axis of the rod body (21), when the sliding sleeve (3) is positioned at the periphery of the rod body (21), the distance between the axial lead of each jacking part (22) and the rod body (21) is gradually increased from one side close to the rod body (21) to one side far away from the rod body (21), when the sliding sleeve (3) slides to one end of the jacking parts (22) far away from the rod body (21) along the rod body (21), the jacking parts (22) sequentially abut against each other to enter a clasping state;
when the jacking parts (22) are in a cohesion state, the peripheral surfaces of the jacking parts (22) are sequentially connected to form an annular curved surface which is coaxially arranged with the rod body (21); the jacking portion (22) is an arc-shaped plate which is bent along the length direction of the jacking portion; an elastic part (4) is arranged between the jacking parts (22), the elastic part (4) is positioned at one end of the jacking part (22) close to the rod body (21), and the elastic part (4) has elastic force contracting along the radial direction of the rod body (21).
2. Drip stand for preventing tube shaking according to claim 1, characterized in that the resilient member (4) is a ring made of an elastic material.
3. Drip stand for preventing tube shaking according to claim 1, characterized in that the resilient member (4) is a resilient element made of spring steel.
4. The drip rack for preventing the shaking of the test tube according to claim 1, wherein the pressing part (22) is a strip-shaped structural member having a fan-shaped cross section, and the strip-shaped structural member is gradually bent outwards from one end close to the rod body (21) to one end far away from the rod body (21).
5. Drip stand for preventing tube shaking according to claim 1, characterized in that the number of pressing parts (22) is three.
6. A drip stand for preventing tube sloshing according to any of claims 1 to 5, wherein the outer periphery of the sliding sleeve (3) and the end near the pressing portion (22) is provided with a ring edge (31) fixed thereto.
7. A drip stand for preventing the shaking of test tubes according to any one of claims 1 to 5, characterized in that a bracket (5) is arranged on the side of the insertion plate (1) far away from the insertion rod (2), and the bracket (5) is rotatably connected with the insertion plate (1) through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411688.6A CN107175143B (en) | 2017-06-05 | 2017-06-05 | Prevent frame that drips that test tube rocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411688.6A CN107175143B (en) | 2017-06-05 | 2017-06-05 | Prevent frame that drips that test tube rocked |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107175143A CN107175143A (en) | 2017-09-19 |
| CN107175143B true CN107175143B (en) | 2020-12-25 |
Family
ID=59836009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710411688.6A Active CN107175143B (en) | 2017-06-05 | 2017-06-05 | Prevent frame that drips that test tube rocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107175143B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1350765A (en) * | 1970-03-05 | 1974-04-24 | English Clays Lovering Pochin | Polarography |
| CN2794628Y (en) * | 2005-06-06 | 2006-07-12 | 上海台雄工程配套设备有限公司 | Water dropping frame |
| CN201744367U (en) * | 2010-08-31 | 2011-02-16 | 北大方正集团有限公司 | Dry rack for cone bottle |
| CN203803520U (en) * | 2014-04-17 | 2014-09-03 | 广州真迪科教仪器设备有限公司 | Improved water dripping instrument for laboratory |
| CN206168470U (en) * | 2016-11-16 | 2017-05-17 | 哈尔滨理工大学 | Convenient frame that drips |
-
2017
- 2017-06-05 CN CN201710411688.6A patent/CN107175143B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107175143A (en) | 2017-09-19 |
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