CN112404063A - Auxiliary tool for three-neck flask - Google Patents
Auxiliary tool for three-neck flask Download PDFInfo
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- CN112404063A CN112404063A CN202011183284.4A CN202011183284A CN112404063A CN 112404063 A CN112404063 A CN 112404063A CN 202011183284 A CN202011183284 A CN 202011183284A CN 112404063 A CN112404063 A CN 112404063A
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- spherical shell
- air bag
- inferior
- inferior spherical
- straight pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/42—Brushes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses an auxiliary tool for a three-neck flask, which comprises a hose, a straight pipe and an air bag which are sequentially connected, wherein the straight pipe is rotatably sleeved with a positioning ring through a bearing, and the bottom end of the positioning ring protrudes downwards to form a limiting ring; the air bag is a closed air bag consisting of two inferior spherical shells A, a inferior spherical shell B and a connecting ring positioned between the inferior spherical shells A and the inferior spherical shell B, the concave surfaces of the inferior spherical shells A and the inferior spherical shell B face towards a straight pipe, the two ends of the connecting ring are respectively connected with the end circumferences of the inferior spherical shells A and the inferior spherical shell B into a whole, and the outer convex surface of the inferior spherical shell A is provided with bristles; the concave surface of the inferior spherical shell B is connected with the bottom end of the straight pipe, and a bottom through hole for communicating the inner cavity of the air bag with the inner hole of the straight pipe is arranged on the inferior spherical shell B. The invention effectively solves the problems that the cleaning range of the bottom is limited due to the limitation of the radial size of the bottle mouth and the length of the bottle neck when the bottle bottom of the existing three-neck flask is cleaned, the whole bottle bottom bearing solution cannot be cleaned, and the cleaning effect is poor.
Description
Technical Field
The invention relates to the technical field of chemical engineering, in particular to an auxiliary tool for a three-neck flask.
Background
The three-neck flask is a chemical instrument, also known as a three-neck flask, a three-neck flask and a three-neck round-bottom flask.
The three-mouth bottle usually has a round-belly narrow-neck appearance structure, and comprises a spherical bottle body and three mouths which are connected with the bottle body and communicated with an inner cavity of the bottle body, and can be simultaneously added with a plurality of reactants or a condensing pipe. The narrow opening is used for preventing the solution from splashing or reducing the evaporation of the solution, and can be matched with a rubber plug for connecting other glass equipment. When the solution requires a long reaction time or heating and refluxing, a three-necked bottle is generally selected as the container. The three-mouth bottle is not suitable for glass rod stirring because the bottle mouth is narrow, and can be smoothly and uniformly stirred by slightly turning the wrist by holding the bottle mouth or using a special stirrer when stirring is needed. When heating and refluxing, a magnetic stirrer can be placed in the bottle to heat and stir the mixture.
After the reaction is completed, the inner wall of the three-mouth bottle needs to be cleaned. Because of its reactive nature, the bottom is most adherent, and therefore cleaning its bottom is a basic requirement for three-necked bottle cleaning. But because the bottleneck is slender and the sectional dimension of the bottleneck is greatly different from that of the bottle body, the bottleneck and the inner wall of the bottle body opposite to the bottleneck can only be cleaned by the brush during cleaning. When the bottle bottom is cleaned, the cleaning range of the bottle bottom is limited due to the limitation of the radial dimension, and the whole bottle bottom bearing the solution cannot be cleaned.
Disclosure of Invention
The invention aims to: the utility model provides an appurtenance for three-necked flask has solved current cleaning device and when cleaning three-necked flask bottle end, owing to be limited to bottleneck radial dimension and bottleneck length, it is limited to the clean scope of bottom, can't clean whole bottle end that bears solution, and clean effect subalternation above-mentioned technical problem.
The technical scheme adopted by the invention is as follows:
an auxiliary tool for a three-neck flask comprises a hose, a straight pipe and an air bag which are sequentially connected, wherein two ends of the hose are respectively communicated with the top end of the straight pipe and a system for supplying pressure gas, the bottom end of the straight pipe is connected with the air bag, a positioning ring is rotatably sleeved on the upper side of the straight pipe through a bearing, and the outer circumferential part of the bottom end of the positioning ring protrudes downwards to form a limiting ring;
the air bag is a closed air bag consisting of two inferior spherical shells A and B which are concentric with each other, the spherical radii of the inferior spherical shells A and B are sequentially reduced, and the connecting rings are arranged between the inferior spherical shells A and B and the axes of the inferior spherical shells A and B coincide with the rotation center line of the inferior spherical shell A and the rotation center line of the inferior spherical shell B;
the concave surface of the inferior spherical shell B is connected with the bottom end of the straight pipe, and a bottom through hole for communicating the inner cavity of the air bag with the inner hole of the straight pipe is arranged on the inferior spherical shell B.
Furthermore, the two air bags are respectively an upper air bag and a lower air bag, are symmetrically distributed up and down, have spherical centers superposed with each other, and are communicated with the inner hole of the straight pipe through an upper through hole arranged on the inferior spherical shell A, and the convex surface of the inferior spherical shell A of the upper air bag is fixed at the bottom end of the straight pipe;
a connecting pipe coaxial with the straight pipe is arranged between the upper air bag and the lower air bag, the upper end and the lower end of the connecting pipe are respectively connected with the concave surface of one inferior spherical shell B, the lower end of the connecting pipe is communicated with the inner cavity of the lower air bag through a bottom through hole arranged on the inferior spherical shell B of the lower air bag, and the upper end of the connecting pipe is communicated with the inner cavity of the upper air bag through a bottom through hole arranged on the inferior spherical shell B of the upper air bag.
Further, the gasbag is all through the end connection of coupling assembling with the connecting pipe, coupling assembling includes hard tube and sealing washer, is provided with the ring channel at the tip of straight tube inner wall, install in the ring channel the outer lane of sealing washer, form the connecting neck after inferior spherical shell B goes up the contour along the bottom through-hole to the centre of sphere evagination, the one end that is close to the centre of sphere on the connecting neck is connected with the one end of hard tube, the other end of hard tube inserts in the hole of sealing washer to with sealing washer interference fit.
Furthermore, the outer circumferential surface of the hard tube is conical, and the large-diameter end of the hard tube is connected with the connecting neck.
Further, the sealing ring is a rectangular sealing ring.
Furthermore, the top end of the annular groove extends outwards and is communicated with the end face of the connecting pipe, and the outer wall of the sealing ring is in threaded connection with the circumferential wall of the annular groove.
Further, two ends of the connecting ring are respectively and smoothly connected with the end circumferences of the inferior spherical shell A and the inferior spherical shell B.
Further, the connection of the bristles and the inferior spherical shell A adopts the following method:
s1, arranging a barb structure at the connecting part of the bristles and the inferior spherical shell A;
s2, before the inferior spherical shell A is molded by pouring flexible rubber liquid, the bristles are arranged on the cavity surface of the convex surface of the inferior spherical shell A in the inferior spherical shell A molding cavity and in the hole body for inserting the bristles;
s3, closing the die for forming the inferior spherical shell A and pouring flexible rubber liquid;
and S4, cooling and forming the inferior spherical shell A in the mold, opening the mold, and taking out the inferior spherical shell A from the mold cavity.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the auxiliary tool for the three-neck flask can reduce the volume of the three-neck flask when the three-neck flask is placed in the three-neck flask, and can expand the volume of the three-neck flask by filling the air bag with gas when attachments at the bottom of the inner wall need to be brushed off, so that the three-neck flask is not only in contact with the bottom of the inner wall, but also in contact with the bottom, and the size of the three-neck flask and a bottle mouth is not limited. Therefore, the deformable cleaning device brushes off the attachments at the bottom of the inner wall so as to uniformly clean the bottom of the inner wall, and the problems that the cleaning range of the bottom is limited due to the limitation of the radial size of a bottle mouth and the length of the bottle neck when the bottom of the existing three-neck flask is cleaned, the whole bottom bearing solution cannot be cleaned, and the cleaning effect is poor are effectively solved.
2. Compared with the method for cleaning the three-mouth flask by directly using the spherical air bag, the auxiliary tool for the three-mouth flask has the advantages that the air bag is arranged into the combination of the two inferior spherical surfaces and the annular wall, the end air bag in contact with the bottom of the inner wall of the flask body is limited by the straight pipe and the self structure, and then the driving force from the pressure fluid is obtained in an oriented mode, so that the extrusion force generated by the pressure gas on the flask body is only concentrated on the bristles on the inferior spherical shell A and cannot be dispersed all around, the bottom of the three-mouth flask can be effectively cleaned, the enough and stable friction force for brushing off attachments during cleaning can be ensured, and the cleaning efficiency is ensured.
3. The auxiliary tool for the three-neck flask can be used for matching the air bags with corresponding sizes for the three-neck flasks of the same type in the whole cleaning process, and is matched with the matching that the bottom of the positioning ring is in contact with the top end face of the middle bottle opening, and the inner wall of the limiting ring is attached to the upper side of the outer wall of the middle bottle opening, so that the coaxiality of the straight pipe and the middle bottle opening is ensured in the radial direction, each inflated inferior spherical shell is superposed with the spherical center of the bottle body in the axial direction, the air bags can be ensured not to be in contact with the inner wall of the bottle body, and only bristles are in contact with the inner wall of the bottle body, namely the bristles are stably brushed away with attachments on the bottom of; the air pressure can be intensively acted on the bristles, so that the bristles can be stably rubbed with the parts of the inner wall of the bottle body, which are not opposite to the bottle mouth, and the bottle is clean and smooth; meanwhile, the air bag is effectively prevented from contacting the inner wall of the bottle body, the air bag is prevented from directly contacting the bottle body and pushing and extruding the bottle body outwards, and the condition that the bottle body is damaged due to the fact that the air bag extrudes the bottle body is avoided;
4. the invention relates to an auxiliary tool for a three-neck flask, which is characterized in that an upper air bag and a lower air bag are connected through a connecting pipe, the air bag in contact with the inner wall of a flask body can be limited by the structure of the air bag, the limit of the connecting pipe and the fluid guide are carried out, and the directional driving force from pressure fluid is obtained, so that the extrusion force generated by pressure gas on the flask body is only concentrated on bristles on a poor spherical shell A and cannot be dispersed all around, the bottom and the upper part of the three-neck flask, which are opposite to a flask opening, can be effectively cleaned, and the situation that the original parts which cannot be cleaned still have insufficient friction force or unsatisfactory cleaning effect cannot exist.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the embodiment will be briefly described below, and it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic illustration of the present invention in use;
fig. 4 is an enlarged view at B in fig. 3.
Reference numerals in the drawings indicate:
1-hose, 2-straight tube, 3-air bag, 4-bearing, 5-positioning ring, 6-spacing ring, 7-inferior spherical shell, 8-connecting ring, 9-inferior spherical shell A, 10-brush hair, 11-bottom through hole, 12-upper through hole, 13-connecting tube, 14-hard tube, 15-sealing ring, 16-connecting neck, 17-annular groove and 18-three-neck flask.
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 detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The present invention will be described in detail with reference to fig. 1 to 4.
Example 1
As shown in fig. 1 to 4, the auxiliary tool for the three-neck flask of the present invention comprises a hose 1, a straight tube 2 and an air bag 3 which are connected in sequence, wherein two ends of the hose 1 are respectively communicated with the top end of the straight tube 2 and a system for supplying pressure gas, the bottom end of the straight tube 2 is connected with the air bag 3, a positioning ring 5 is rotatably sleeved on the upper side of the straight tube through a bearing 4, and the outer circumference of the bottom end of the positioning ring 5 protrudes downwards to form a limiting ring 6;
the air bag 3 is a closed air bag consisting of two inferior ball shells A9, B7 and a connecting ring 8, wherein the inferior ball shells A9 and B7 are concentric and have sequentially reduced ball radii and are both rotating bodies, the connecting ring 8 is positioned between the inferior ball shell A9 and the inferior ball shell B7, and the axis of the connecting ring coincides with the rotating center line of the inferior ball shell A9 and the rotating center line of the inferior ball shell B7, the concave surfaces of the inferior ball shell A9 and the inferior ball shell B7 face the straight pipe 2, the rotating center line of the inferior ball shell A9 and the rotating center line of the inferior ball shell B7 coincide with the axis of the straight pipe 2, the two ends of the connecting ring 8 are respectively connected with the end circumferences of the inferior ball shell A9 and the inferior ball shell B7 into a whole, and the outer convex surface of the inferior ball shell A9 is provided;
the concave surface of the inferior spherical shell B7 is connected with the bottom end of the straight tube 2, and a bottom end through hole 11 for communicating the inner cavity of the air bag 3 with the inner hole of the straight tube 2 is arranged on the inferior spherical shell B7.
The system for supplying pressure gas mainly refers to an air pump, and the output end of the air pump is communicated with the hose 1 through an electromagnetic valve. The solenoid valve is preferably a two-position two-way solenoid valve. One station is a cut-off station, and the other station is a station for communicating the air pump with the hose. The inferior spherical shell is a structural body defined on the basis of the inferior concave spherical surface, is a part of the spherical shell and has the maximum central angle less than 180 degrees.
When in use, the air bag 3 is not inflated and is in a furled state; the straight tube 2 is inserted into the three-neck flask through the middle bottle mouth of the three-neck flask, and simultaneously the bottom end of the straight tube 2 is inserted into the three-neck flask through the middle bottle mouth of the three-neck flask until the bottom of the positioning ring 5 is contacted with the top end face of the middle bottle mouth and the inner wall of the limiting ring 6 is attached to the upper side of the outer wall of the middle bottle mouth, as shown in fig. 3 and 4, so that the coaxiality of the straight tube 3 and the middle bottle mouth in the radial direction and the coincidence of each inflated inferior spherical shell and the spherical center of the bottle body in the axial direction are ensured; then starting a system for supplying pressure gas, so as to inflate the inside of the air bag 3 through the hose 1 and the straight pipe 2; along with the inflation, the air bag 3 is unfolded, each inferior spherical shell is superposed with the sphere center of the bottle body, and the brush 14 is contacted with the bottom of the inner wall of the bottle body, as shown in figure 3; then, the straight tube 2 is rotated repeatedly around the axis of the straight tube 2, and the three-neck flask can be rotated selectively by rotating the straight tube 2, so that the attachments on the bottom of the inner wall of the bottle body can be brushed away by the friction between the bristles 14 and the bottom of the inner wall of the bottle body.
The bristles can be arranged on the corresponding part in the forming cavity of the air bag 3 before the air bag 3 is formed by pouring the rubber liquid flexibly, the formed air bag 3 is directly connected with the bristles into a whole, and in order to prevent the bristles from falling off the air bag 3, barb structures are preferably arranged on the connecting parts of the bristles and the air bag 3.
In conclusion, the invention designs the changeable brush, so that the volume of the changeable brush can be reduced when the changeable brush is placed into a three-neck flask, and when the attachment at the bottom of the inner wall needs to be brushed away, the air bag is filled by air, so that the volume of the changeable brush is enlarged, the changeable brush is not only contacted with the bottom of the inner wall, but also the contact area of the changeable brush and the bottom is increased, and the size of the changeable brush and a bottle mouth is not limited. Therefore, the deformable cleaning device brushes off the attachments at the bottom of the inner wall so as to uniformly clean the bottom of the inner wall, and the problems that the cleaning range of the bottom is limited due to the limitation of the radial size of a bottle mouth and the length of the bottle neck when the bottom of the existing three-neck flask is cleaned, the whole bottom bearing solution cannot be cleaned, and the cleaning effect is poor are effectively solved.
Most importantly, compared with the method for cleaning the three-neck flask by directly using the spherical air bag, the air bag 3 is arranged into the combination of two inferior spherical surfaces and one annular wall, so that the end air bag 3 in contact with the bottom of the inner wall of the flask body is limited by the straight pipe 2 and the structure thereof, and is oriented to obtain the driving force from the pressure fluid, so that the extrusion force generated by the pressure gas on the flask body is only concentrated on the bristles 14 on the inferior spherical shell A9 and is not dispersed all around, the bottom of the three-neck flask can be effectively cleaned, the enough and stable friction force for brushing off attachments during cleaning can be ensured, and the cleaning efficiency is ensured.
Meanwhile, in the whole cleaning process, aiming at three-neck flasks of the same type, the air bag 3 with corresponding size is matched, and the matching is carried out on the matching that the bottom of the positioning ring 18 is contacted with the top end face of the middle bottle mouth, and the inner wall of the limiting ring 19 is attached to the upper side of the outer wall of the middle bottle mouth, so that the coaxiality of the straight pipe 3 and the middle bottle mouth and the centers of the inflated inferior spherical shells and the spherical center of the bottle body in the axial direction are ensured in the radial direction, the air bag 3 is ensured not to be contacted with the inner wall of the bottle body, and only the brush hair is contacted with the inner wall of the bottle body, namely the brush hair is stably brushed away with attachments on the; the air pressure can be intensively acted on the bristles, so that the bristles can be stably rubbed with the parts of the inner wall of the bottle body, which are not opposite to the bottle mouth, and the bottle is clean and smooth; meanwhile, the air bag is effectively prevented from contacting the inner wall of the bottle body, the air bag is prevented from directly contacting the bottle body and pushing the bottle body outwards, and the condition that the bottle body is damaged due to the fact that the air bag extrudes the bottle body is avoided.
Example 2
This example is based on example 1 and further illustrates the cleaning of the present invention.
As shown in fig. 1, two air bags 3 are provided, namely an upper air bag and a lower air bag, which are symmetrically distributed up and down, the spherical centers of the two air bags are superposed with each other, the convex surface of the inferior spherical shell a9 of the upper air bag is fixed at the bottom end of the straight pipe 2, and the convex surface is communicated with the inner hole of the straight pipe 2 through an upper through hole 12 arranged on the inferior spherical shell a 9;
a connecting pipe 13 which is coaxial with the straight pipe 2 is arranged between the upper air bag and the lower air bag, the upper end and the lower end of the connecting pipe 13 are respectively connected with the concave surface of a inferior spherical shell B7, the lower end of the connecting pipe 13 is communicated with the inner cavity of the lower air bag through a bottom through hole 11 arranged on a inferior spherical shell B7 of the lower air bag, and the upper end of the connecting pipe is communicated with the inner cavity of the upper air bag through a bottom through hole 11 arranged on a inferior spherical shell B7 of the upper air bag.
The upper side of the inner wall of the bottle body is cleaned by the bristles 10 on the upper air bag, so that one end of each bottle opening communicated with the bottle body is cleaned at one time, and the cleaning efficiency is improved; and the bristles 10 of the lower air bag clean the bottom of the inner wall of the bottle body.
Meanwhile, the upper air bag and the lower air bag are connected through the connecting pipe 13, the air bag 3 which is in contact with the inner wall of the bottle body can be directionally limited through the structure of the air bag, the limitation of the connecting pipe 13 and the fluid guidance to obtain the driving force from the pressure fluid, so that the extrusion force generated by the pressure gas on the bottle body is only concentrated on the bristles 14 on the inferior spherical shell A6 and cannot be dispersed all around, the bottom and the upper part of the three-mouth bottle, which are opposite to the bottle mouth, can be effectively cleaned, and the situation that the original parts which cannot be cleaned still have insufficient friction force or unsatisfactory cleaning effect cannot be achieved.
Example 3
This embodiment is based on embodiment 2 and further describes the present invention.
As shown in fig. 1 and 2, in the present invention, the air bag 3 is connected to the end of the connecting pipe 13 through a connecting assembly, the connecting assembly includes a hard pipe 14 and a sealing ring 15, an annular groove 17 is formed at the end of the inner wall of the straight pipe 2, the outer ring of the sealing ring 15 is installed in the annular groove 17, a connecting neck 16 is formed on the inferior spherical shell B7 and protrudes outward toward the center of the sphere along the circumference of the bottom through hole 11, one end of the connecting neck 16 close to the center of the sphere is connected to one end of the hard pipe 14, and the other end of the hard pipe 14 is inserted into the inner hole of the sealing ring 15 and is in interference fit with the.
Preferably, the outer circumference of the rigid tube 14 is tapered, and the large diameter end thereof is connected to the connecting neck 16.
Preferably, the sealing ring 15 is a rectangular sealing ring.
Further, the top end of the annular groove 17 extends outwards and is communicated with the end face of the connecting pipe 13, and the outer wall of the sealing ring 15 is in threaded connection with the circumferential wall of the annular groove 17.
The air bag 2 is detachably connected with the connecting pipe 13, so that the manufacturing and later maintenance of the air bag are facilitated.
Example 4
Preferably, both ends of the connecting ring 8 are respectively and smoothly connected with the end circumferences of the inferior spherical shell a9 and the inferior spherical shell B7.
Example 5
The connection of the bristle 10 to the inferior spherical shell a9 is performed as follows:
s1, arranging a barb structure at the connecting part of the bristle 10 and the inferior spherical shell A9;
s2, before the inferior spherical shell A9 is molded by pouring flexible rubber liquid, the bristles 10 are arranged on the cavity surface of the convex surface of the inferior spherical shell A9 in the inferior spherical shell A9 molding cavity and in the hole body for inserting the bristles;
s3, closing the die for molding the inferior spherical shell A9 and pouring flexible rubber liquid;
and S4, cooling and forming the inferior spherical shell A9 in the mold, opening the mold, and taking out the inferior spherical shell from the mold cavity.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An appurtenance for three-neck flask, its characterized in that: the gas pressure regulating device comprises a hose (1), a straight pipe (2) and an air bag (3) which are sequentially connected, wherein two ends of the hose (1) are respectively communicated with the top end of the straight pipe (2) and a system for supplying pressure gas, the bottom end of the straight pipe (2) is connected with the air bag (3), a positioning ring (5) is rotatably sleeved on the upper side of the straight pipe through a bearing (4), and the outer circumferential part of the bottom end of the positioning ring (5) protrudes downwards to form a limiting ring (6);
the air bag (3) is a closed air bag consisting of two inferior spherical shells A (9) which are concentric with each other, have sequentially reduced spherical radii and are both rotating bodies, a inferior spherical shell B (7) and a connecting ring (8) which is positioned between the inferior spherical shells A (9) and the inferior spherical shells B (7) and has an axis coincident with the rotation center line of the inferior spherical shell A (9) and the rotation center line of the inferior spherical shell B (7), the concave surfaces of the inferior spherical shells A (9) and the inferior spherical shell B (7) face the straight pipe (2), the rotation center lines of the inferior spherical shells A (9) and the inferior spherical shell B (7) are coincident with the axis of the straight pipe (2), the two ends of the connecting ring (8) are respectively connected with the circumferences of the end parts of the inferior spherical shells A (9) and the inferior spherical shell B (7) into a whole, and bristles (10) are arranged on the outer convex surface of the inferior spherical shell A (9);
the concave surface of the inferior spherical shell B (7) is connected with the bottom end of the straight pipe (2), and a bottom through hole (11) which communicates the inner cavity of the air bag (3) with the inner hole of the straight pipe (2) is arranged on the inferior spherical shell B (7).
2. The auxiliary tool for a three-neck flask according to claim 1, wherein: the two air bags (3) are respectively an upper air bag and a lower air bag, are symmetrically distributed up and down, have spherical centers superposed with each other, and are communicated with the inner hole of the straight pipe (2) through an upper through hole (12) arranged on the inferior spherical shell A (9) of the upper air bag, wherein the convex surface of the inferior spherical shell A (9) of the upper air bag is fixed at the bottom end of the straight pipe (2);
a connecting pipe (13) coaxial with the straight pipe (2) is arranged between the upper air bag and the lower air bag, the upper end and the lower end of the connecting pipe (13) are respectively connected with the concave surface of a inferior spherical shell B (7), the lower end of the connecting pipe (13) is communicated with the inner cavity of the lower air bag through a bottom through hole (11) arranged on the inferior spherical shell B (7) of the lower air bag, and the upper end of the connecting pipe is communicated with the inner cavity of the upper air bag through a bottom through hole (11) arranged on the inferior spherical shell B (7) of the upper air bag.
3. The auxiliary tool for a three-neck flask according to claim 2, wherein: gasbag (3) are all through the end connection of coupling assembling and connecting pipe (13), coupling assembling includes hard tube (14) and sealing washer (15), is provided with ring channel (17) at the tip of straight tube (2) inner wall, install in ring channel (17) in the outer lane of sealing washer (15), form behind the centre of sphere evagination along the contour of bottom through-hole (11) on inferior spherical shell B (7) and connect neck (16), the one end that is close to the centre of sphere on connecting neck (16) is connected with the one end of hard tube (14), the other end of hard tube (14) inserts in the hole of sealing washer (15) to with sealing washer (15) interference fit.
4. The auxiliary tool for a three-neck flask according to claim 3, wherein: the outer circumferential surface of the hard tube (14) is conical, and the large-diameter end of the hard tube is connected with the connecting neck (16).
5. The auxiliary tool for a three-neck flask according to claim 3, wherein: the sealing ring (15) is a rectangular sealing ring.
6. The auxiliary tool for a three-neck flask according to claim 3, wherein: the top end of the annular groove (17) extends outwards and is communicated with the end face of the connecting pipe (13), and the outer wall of the sealing ring (15) is in threaded connection with the circumferential wall of the annular groove (17).
7. The auxiliary tool for a three-neck flask according to claim 1, wherein: and two ends of the connecting ring (8) are respectively and smoothly connected with the circumferences of the end parts of the inferior spherical shell A (9) and the inferior spherical shell B (7).
8. The auxiliary tool for a three-neck flask according to claim 1, wherein: the connection between the bristles (10) and the inferior spherical shell A (9) adopts the following method:
s1, arranging barb structures at the connecting parts of the bristles (10) and the inferior spherical shell A (9);
s2, before the inferior spherical shell A (9) is molded by pouring flexible rubber liquid, the bristles (10) are arranged on the cavity surface of the convex surface of the inferior spherical shell A (9) in the inferior spherical shell A (9) molding cavity and in the hole body for inserting the bristles;
s3, closing the die for molding the inferior spherical shell A (9) and pouring flexible rubber liquid;
s4, cooling and forming the inferior spherical shell A (9) in the mold, opening the mold, and taking out the inferior spherical shell A from the mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183284.4A CN112404063A (en) | 2020-10-29 | 2020-10-29 | Auxiliary tool for three-neck flask |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183284.4A CN112404063A (en) | 2020-10-29 | 2020-10-29 | Auxiliary tool for three-neck flask |
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| CN112404063A true CN112404063A (en) | 2021-02-26 |
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| CN202011183284.4A Pending CN112404063A (en) | 2020-10-29 | 2020-10-29 | Auxiliary tool for three-neck flask |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020056166A1 (en) * | 2000-11-15 | 2002-05-16 | Gordon Clunie | Internal cylindrical surface cleaning apparatus |
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