CN217970668U - Sealing bottle stopper and distillation flask for micro-distillation instrument with same - Google Patents
Sealing bottle stopper and distillation flask for micro-distillation instrument with same Download PDFInfo
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- CN217970668U CN217970668U CN202221302497.9U CN202221302497U CN217970668U CN 217970668 U CN217970668 U CN 217970668U CN 202221302497 U CN202221302497 U CN 202221302497U CN 217970668 U CN217970668 U CN 217970668U
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- mounting groove
- sealing washer
- sealing ring
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Abstract
The utility model belongs to the chemical instrumentation field, concretely relates to sealed bottle plug and have this retort for micro-distillation apparatus of sealed bottle plug, including bottle plug body and sealing washer, the lower extreme of bottle plug body sets up annular mounting groove, and the lateral wall of mounting groove extends outwards and forms the mounting groove outer fringe portion, and the sealing washer is the loop configuration who corresponds with mounting groove shape size, and it includes inside and outside two rings of sealing washer sealing parts, divide into inner seal sealing part and outer sealing washer sealing part, forms annular sealing washer recess between inner seal sealing part and the outer sealing washer sealing part, and the outer wall of sealing washer extends outwards and forms the sealing washer outer fringe portion that corresponds with mounting groove outer fringe portion shape size, and the sealing washer inlays to be located in the mounting groove, the embedding of sealing washer outer fringe portion the sealing washer outer fringe portion. The utility model discloses the installation of well sealing washer is easier, and is also more firm to the fixed of retort, has better sealing performance simultaneously, at the in-process of distilling the experiment, can be better reach the experimental effect.
Description
Technical Field
The utility model belongs to the chemical instrumentation field, concretely relates to sealed bottle plug and have this sealed bottle plug's retort for trace fraction apparatus.
Background
The micro-distillation instrument is a portable test instrument widely applied to the field of chemical engineering. The size of a distillation flask for bearing a test sample in the instrument is small, the size of a bottle opening is correspondingly small, and the bottle opening is of a vertical tubular structure and is smooth and free of a fixed position. The bottle stopper structure not only needs to ensure the fixation of the bottle body, but also needs to have certain sealing performance.
The problems of the prior art are as follows: the existing bottle stopper is unstable in fixing the distillation flask, and the distillation flask is likely to fall off when being installed on a heater. Because the existing structure is unstable to the fixed of distillation flask, just also lead to not good in the sealing performance of distillation flask, the gas leakage phenomenon appears easily to present bottle plug structure is also comparatively difficult to the installation of sealing washer, can appear installing the condition not in place.
SUMMERY OF THE UTILITY MODEL
In order to compensate the deficiency of the prior art, the utility model provides a technical scheme of a sealed bottle plug and have this sealed bottle plug's micro-distillation retort for instrument of distilling, the sealing washer of sealed bottle plug adopts bilayer structure, can guarantee to stabilize after the distillation retort installation and not rock, can guarantee again that the bottle plug has the leakproofness to the bottleneck. The sample in the bottle can be measured by mounting parts such as a thermocouple or a piezometer tube on the bottle stopper while ensuring the fixity and the sealing property.
The utility model provides a sealing bottle plug, including bottle plug body and sealing washer, the lower extreme of bottle plug body sets up annular mounting groove, the lateral wall of mounting groove extends outwards and forms the mounting groove outer fringe portion, the sealing washer is the loop configuration who corresponds with mounting groove shape size, and it includes inside and outside two rings of sealing washer sealing portions, divide into inside seal sealing portion and outer sealing washer sealing portion, form annular sealing washer recess between inside seal sealing portion and the outer sealing washer sealing portion, the outer wall of sealing washer extends outwards and forms the sealing washer outer fringe portion that corresponds with mounting groove outer fringe portion shape size, the sealing washer inlays to be located in the mounting groove, the embedding of sealing washer outer fringe portion the mounting groove outer fringe portion.
Furthermore, barbs are arranged on the outer wall of the sealing part of the inner sealing ring and/or the inner wall of the sealing part of the outer sealing ring.
Furthermore, an agnail is arranged on the outer wall of the sealing part of the inner sealing ring.
Further, the sealing ring further comprises a sealing ring connecting part which is of an annular structure and is connected to the upper ends of the inner sealing ring sealing part and the outer sealing ring sealing part.
Further, the outer edge portion of the seal ring is arranged on the outer wall of the seal ring connecting portion.
Further, the sealing ring is of a perfluororubber structure.
Further, the bottle stopper body is of a polytetrafluoroethylene structure.
Further, an annular first guide surface is arranged at the lower end of the sealing portion of the outer sealing ring.
Further, the mounting groove center of bottle plug body forms bottle plug stopper portion, the lower extreme of bottle plug stopper portion sets up annular second spigot surface.
The utility model also provides a retort for trace range appearance, including the retort body with as above sealed bottle plug, the sealing washer recess of sealed bottle plug is inserted to the bottleneck of retort body.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the installation of well sealing washer is easier, and is also more firm to the fixed of retort, has better sealing performance simultaneously, at the in-process of distilling the experiment, can be better reach the experimental effect.
Drawings
FIG. 1 is a schematic sectional view showing the structure of example 1;
FIG. 2 is a schematic sectional view of a stopper body according to embodiment 1;
FIG. 3 is a schematic cross-sectional view of a seal ring in accordance with embodiment 1;
FIG. 4 is a schematic cross-sectional view showing the structure of example 2;
fig. 5 is an exploded view of the embodiment 2.
Detailed Description
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The present invention will be further explained with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, a sealing bottle stopper includes a stopper body 1 and a sealing ring 2. The lower extreme of bottle stopper body 1 sets up annular mounting groove 100, and the annular structure center of mounting groove 100 forms bottle stopper cock portion 102, and the upper end lateral wall of mounting groove 100 outwards extends and forms annular mounting groove outer fringe part 101, and the external diameter of mounting groove outer fringe part 101 is greater than the external diameter of mounting groove 100 main part. The sealing ring 2 is an annular structure corresponding to the shape and size of the mounting groove 100, and comprises a sealing ring connecting portion 205 and two inner and outer sealing ring sealing portions, the sealing ring connecting portion 205 is an annular structure, the two inner and outer sealing ring sealing portions are an inner sealing ring sealing portion 200 and an outer sealing ring sealing portion 201, and are connected to the lower end of the sealing ring connecting portion 205, the bottom position of the inner sealing ring sealing portion 200 is lower than the bottom position of the outer sealing ring sealing portion 201, an annular sealing ring groove 202 is formed between the inner sealing ring sealing portion 200 and the outer sealing ring sealing portion 201, the upper end outer wall of the outer sealing ring sealing portion 201 extends outwards to form a sealing ring outer edge portion 203 corresponding to the shape and size of the mounting groove outer edge portion 101, the sealing ring 2 is embedded in the mounting groove 100, the inner sealing ring sealing portion 200 is attached to the inner side wall of the mounting groove 100, the outer sealing ring sealing portion 201 is attached to the outer side wall of the mounting groove 100, and the sealing ring outer edge portion 203 is embedded in the mounting groove outer edge portion 101.
It can be understood that, in above-mentioned technical scheme, realize the chucking through the cooperation of sealing washer outer fringe part 203 and mounting groove outer fringe part 101 between the sealing washer 2 of this embodiment and the bottle plug body 1, make sealing washer 2 be difficult for droing, sealing washer 2 forms inside and outside double-seal through sealing washer recess 202 to the bottleneck of distillation flask moreover, and sealed effect is better.
With continued reference to fig. 3, the barb 204 is disposed around the outer wall of the sealing portion 200 of the inner sealing ring, and the barb 204 can make the connection between the sealing ring 2 and the distillation flask more tight, so as to firmly fix the distillation flask while maintaining the sealing of the distillation flask.
Furthermore, barbs 204 may also be provided on the outer wall of the outer seal ring sealing portion 201.
As shown in fig. 2, the lower end of the stopper plug portion 102 is provided with an annular second guide surface 103, as shown in fig. 3, the lower end of the outer sealing ring sealing portion 201 is provided with an annular first guide surface 206, and both the second guide surface 103 and the first guide surface 206 are conical surfaces and can play a role in guiding the insertion of the mouth of the distillation flask.
The sealing ring 2 is preferably of perfluororubber construction, but can also be made of other materials.
The bottle stopper body 1 is preferably made of teflon, and other materials can be adopted.
This embodiment adopts 1 outer structure of polytetrafluoroethylene processing bottle plug body, guarantees that outer structure has certain intensity, can be used to the fixed of thermocouple and pressure pipe. The installation groove 100 is processed on the outer structure of the bottle stopper body 1, so that the installation of the sealing ring 2 is convenient. The sealing ring 2 is made of perfluororubber materials and is processed into a special-shaped sealing ring, and the sealing ring 2 is provided with a sealing ring edge part 203 which is nested with the bottle stopper body 1, so that the installation is convenient. The inner side of the sealing ring 2 is used for fixing and sealing the distillation flask, and barbs 204 are arranged at the sealing position of the inner side of the distillation flask, so that the distillation flask can be stably fixed and the sealing of the distillation flask can be kept.
Example 2
Referring to fig. 4, a distillation flask for a micro-range apparatus includes a distillation flask body 3 and a sealing bottle plug as described in embodiment 1, wherein a bottle mouth of the distillation flask body 3 is inserted into a sealing ring groove 202 of the sealing bottle plug.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. Sealing bottle stopper, its characterized in that, including bottle stopper body (1) and sealing washer (2), the lower extreme of bottle stopper body (1) sets up annular mounting groove (100), the lateral wall of mounting groove (100) outwards extends and forms mounting groove outer fringe portion (101), sealing washer (2) are the annular structure who corresponds with mounting groove (100) shape size, and it includes inside and outside two rings of sealing washer sealing, divide into inner seal sealing (200) and outer sealing (201), form annular sealing washer recess (202) between inner seal sealing (200) and outer sealing (201), the outer wall of sealing washer (2) outwards extends and forms the sealing washer outer fringe portion (203) that corresponds with mounting groove outer fringe portion (101) shape size, sealing washer (2) inlay and locate in mounting groove (100), sealing washer outer fringe portion (203) embedding mounting groove outer fringe portion (101).
2. The sealing stopper according to claim 1, characterised in that barbs (204) are provided on the outer wall of the inner sealing ring sealing portion (200) and/or on the inner wall of the outer sealing ring sealing portion (201).
3. The sealing stopper according to claim 1, characterized in that barbs (204) are provided on the outer wall of the sealing portion (200) of the inner sealing ring.
4. The sealing stopper according to any of claims 1-3, characterised in that the sealing ring (2) further comprises a sealing ring connection part (205), the sealing ring connection part (205) being of annular configuration connected to the upper ends of the inner sealing ring seal part (200) and the outer sealing ring seal part (201).
5. The sealing stopper according to claim 4, characterised in that the collar outer rim portion (203) is provided on the outer wall of the collar connecting portion (205).
6. The sealing stopper according to any of claims 1-3, characterised in that the sealing ring (2) is of perfluororubber construction.
7. The sealing stopper according to any of claims 1-3, characterized in that the stopper body (1) is of polytetrafluoroethylene construction.
8. A sealing stopper according to any of claims 1-3, characterised in that the lower end of the outer sealing ring sealing portion (201) is provided with an annular first guide surface (206).
9. The sealing stopper according to any of claims 1-3, characterized in that the center of the mounting groove (100) of the stopper body (1) forms a stopper plug portion (102), and the lower end of the stopper plug portion (102) is provided with an annular second guide surface (103).
10. The distillation flask for the micro-distillation apparatus is characterized by comprising a distillation flask body (3) and the sealing bottle plug as claimed in any one of claims 1 to 9, wherein the bottle mouth of the distillation flask body (3) is inserted into the sealing ring groove (202) of the sealing bottle plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221302497.9U CN217970668U (en) | 2022-05-28 | 2022-05-28 | Sealing bottle stopper and distillation flask for micro-distillation instrument with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221302497.9U CN217970668U (en) | 2022-05-28 | 2022-05-28 | Sealing bottle stopper and distillation flask for micro-distillation instrument with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217970668U true CN217970668U (en) | 2022-12-06 |
Family
ID=84268633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221302497.9U Active CN217970668U (en) | 2022-05-28 | 2022-05-28 | Sealing bottle stopper and distillation flask for micro-distillation instrument with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217970668U (en) |
-
2022
- 2022-05-28 CN CN202221302497.9U patent/CN217970668U/en active Active
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