CN210612919U - Rotary joint for laboratory rotary evaporator capable of avoiding cross contamination - Google Patents
Rotary joint for laboratory rotary evaporator capable of avoiding cross contamination Download PDFInfo
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- CN210612919U CN210612919U CN201921411545.6U CN201921411545U CN210612919U CN 210612919 U CN210612919 U CN 210612919U CN 201921411545 U CN201921411545 U CN 201921411545U CN 210612919 U CN210612919 U CN 210612919U
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- rotary joint
- cross contamination
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- rotary
- joint
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Abstract
The utility model discloses an avoid cross contamination's rotary joint for rotatory evaporimeter in laboratory, including rotation axis main part and reagent flask, reagent flask fixed connection is in the one end of rotation axis main part, the inside fixed mounting of rotation axis main part has the rotation axis, the one end fixedly connected with protector of rotation axis, protector's surface joint has the buckle, the one end fixed connection of rotation axis has rotary joint, the external screw thread has been seted up at rotary joint's one end edge, protector's inside fixed mounting has the nut, the side swing joint of nut has the connecting wire, the one end of connecting wire is connected with the connecting block, the bottom surface fixedly connected with rubber cutting ferrule of connecting block. The utility model discloses can cup joint at rotary joint's surface through the rubber sleeve to keep apart the surface of second kind reagent flask and rotary joint and contact, avoid the cross contamination of reagent to influence the accuracy of experiment.
Description
Technical Field
The utility model relates to an experimental facilities technical field specifically is an avoid cross contamination's rotary joint for rotatory evaporimeter in laboratory.
Background
Current laboratory rotary evaporator is when using, often can appear a reagent after experimental, test another kind of reagent next to, need change the reagent flask when changing reagent, the reagent flask can be inevitable when filling reagent and can make the flask neck dip in reagent, thereby when the interface of rotary evaporator is installed to the flask, can make the interface dip in a small amount of reagent, make another kind of reagent when changing, will lead to the inside reagent cross contamination of flask, thereby influence the accuracy of experiment, so need a rotary joint for the laboratory rotary evaporator who avoids cross contamination, in order to solve the problem that proposes in the aforesaid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an avoid cross contamination's rotary joint for rotatory evaporimeter in laboratory to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an avoid cross contamination's rotary joint for rotatory evaporimeter in laboratory, includes rotation axis main part and reagent flask, reagent flask fixed connection is in the one end of rotation axis main part, the inside fixed mounting of rotation axis main part has the rotation axis, the one end fixedly connected with protector of rotation axis, protector's surface joint has the buckle, the one end fixed connection of rotation axis has rotary joint, rotary joint's middle part surface is equipped with the fixture block, the external screw thread has been seted up at rotary joint's one end edge, protector's inside fixed mounting has the nut, a side fixedly connected with spacing collar of nut, the side swing joint of nut has the connecting wire, the one end of connecting wire is connected with the connecting block, the bottom surface fixedly connected with rubber cutting ferrule of connecting block.
Preferably, the side surface of the limiting ring is provided with a sliding groove.
Preferably, one end of the connecting wire is connected with a ball.
Preferably, the bottom of connecting block is connected with the rubber circle, and the one end at the rubber cutting ferrule is connected to the rubber circle.
Preferably, the rubber ring at one end of the rubber clamping sleeve is clamped with the clamping block through a rotary joint.
Preferably, the guard is screwed to the external thread by means of a screw cap.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model can limit the ball at one end of the connecting wire through the sliding groove arranged on the side surface of the limiting ring, so that the ball rolls in the sliding groove, thereby the rubber cutting sleeve is movably hung under the screw cap through the connecting line, and the rubber cutting sleeve can always keep a vertical state under the action of gravity when the rotating shaft rotates, the rubber ring connected with the bottom end of the connecting block can be clamped with the clamping block on the outer surface of the rotary joint, thereby fixedly sleeving the rubber clamping sleeve on the outer surface of the rotary joint to prevent the rubber clamping sleeve from being separated from the outer surface of the rotary joint in work, the protective device is spirally connected with the external thread through the screw cap to facilitate the replacement and maintenance of the protective device, the rubber clamping sleeve is sleeved on the outer surface of the rotary joint, thereby keep apart the second reagent flask and contact with rotary joint's surface, avoid the cross contamination of reagent to influence the accuracy of experiment.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural view of a main body of the rotating shaft of the present invention;
fig. 3 is a schematic view of the structure of the rotating shaft of the present invention;
fig. 4 is a schematic structural view of the protection device of the present invention.
In the figure: the device comprises a rotating shaft main body 1, a reagent flask 2, a rotating shaft 3, a protective device 4, a buckle 5, a clamping block 6, a rotating joint 7, an external thread 8, a sliding groove 9, a screw cap 10, a limiting ring 11, a connecting line 12, a connecting block 13 and a rubber clamping sleeve 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a rotary joint for a laboratory rotary evaporator for avoiding cross contamination comprises a rotary shaft main body 1 and a reagent flask 2, wherein the reagent flask 2 is fixedly connected with one end of the rotary shaft main body 1, a rotary shaft 3 is fixedly arranged in the rotary shaft main body 1, one end of the rotary shaft 3 is fixedly connected with a protective device 4, a buckle 5 is clamped on the outer surface of the protective device 4, one end of the rotary shaft 3 is fixedly connected with a rotary joint 7, a clamping block 6 is arranged on the outer surface of the middle part of the rotary joint 7, an external thread 8 is arranged at the edge of one end of the rotary joint 7, a nut 10 is fixedly arranged in the protective device 4, a limiting ring 11 is fixedly connected to one side surface of the nut 10, a connecting wire 12 is movably connected to the side surface of the nut 10, a connecting block 13 is connected to one end of the, and are not specifically described herein.
The working principle is as follows: when the reagent test is carried out, the rotating shaft 3 is firstly installed in the rotary evaporator to be fixed, then the screw cap 10 is in threaded connection with the external thread 8 on the outer surface of the rotary joint 7, the rubber clamping sleeve 14 is hung under the screw cap 10 through the connecting wire 12, after the reagent test is well installed, the reagent flask 2 is firstly installed on the outer surface of the rotary joint 7, then the reagent flask 2 is fixedly connected with the rotary joint 7 through the buckle 5, then the rotary evaporator is started to drive the reagent flask 2 to rotate through the rotating shaft 3, the rubber clamping sleeve 14 can be always kept in a vertical state under the action of gravity while the rotating shaft 3 rotates, the ball at one end of the connecting wire 12 can rotate in the sliding groove 9, after the first reagent test is finished, the reagent flask 2 is taken down by pressing the buckle 5, then the rubber clamping sleeve 14 is taken up to be sleeved with the rotary joint 7, and the rubber ring at one end of the rubber clamping, then cup joint second kind reagent flask 2 at the surface of rubber cutting ferrule 14, reuse buckle 5 to fix second kind reagent flask 2 in the one end of rotation axis 3, then the experiment can, cup joint the surface at rotary joint 7 through rubber cutting ferrule 14 to keep apart second kind reagent flask 2 and rotary joint 7's surface and contact, avoid the cross contamination of reagent to influence the accuracy of experiment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an avoid cross contamination's rotary joint for rotatory evaporimeter in laboratory, includes rotation axis main part (1) and reagent flask (2), its characterized in that: the reagent flask (2) is fixedly connected with one end of a rotating shaft main body (1), the inside fixed mounting of the rotating shaft main body (1) is provided with a rotating shaft (3), one end of the rotating shaft (3) is fixedly connected with a protection device (4), the outer surface of the protection device (4) is connected with a buckle (5), one end of the rotating shaft (3) is fixedly connected with a rotary joint (7), the middle outer surface of the rotary joint (7) is provided with a clamping block (6), an external thread (8) is arranged at one end edge of the rotary joint (7), a nut (10) is fixedly arranged inside the protection device (4), a side face of the nut (10) is fixedly connected with a limiting ring (11), the side face of the nut (10) is movably connected with a connecting wire (12), one end of the connecting wire (12) is connected with a connecting, the bottom surface of the connecting block (13) is fixedly connected with a rubber clamping sleeve (14).
2. A rotary joint for laboratory rotary evaporators for avoiding cross contamination according to claim 1, wherein: and a sliding groove (9) is formed in the side surface of the limiting ring (11).
3. A rotary joint for laboratory rotary evaporators for avoiding cross contamination according to claim 1, wherein: one end of the connecting line (12) is connected with a ball.
4. A rotary joint for laboratory rotary evaporators for avoiding cross contamination according to claim 1, wherein: the bottom of connecting block (13) is connected with the rubber circle, and the one end at rubber cutting ferrule (14) is connected to the rubber circle.
5. A rotary joint for laboratory rotary evaporators for avoiding cross contamination according to claim 1, wherein: the rubber ring at one end of the rubber clamping sleeve (14) is clamped with the clamping block (6) through the rotary joint (7).
6. A rotary joint for laboratory rotary evaporators for avoiding cross contamination according to claim 1, wherein: the protective device (4) is in threaded connection with the external thread (8) through a nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411545.6U CN210612919U (en) | 2019-08-28 | 2019-08-28 | Rotary joint for laboratory rotary evaporator capable of avoiding cross contamination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411545.6U CN210612919U (en) | 2019-08-28 | 2019-08-28 | Rotary joint for laboratory rotary evaporator capable of avoiding cross contamination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210612919U true CN210612919U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411545.6U Active CN210612919U (en) | 2019-08-28 | 2019-08-28 | Rotary joint for laboratory rotary evaporator capable of avoiding cross contamination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210612919U (en) |
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2019
- 2019-08-28 CN CN201921411545.6U patent/CN210612919U/en active Active
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