CN220664532U - Heavy drum skin type inflatable chuck - Google Patents
Heavy drum skin type inflatable chuck Download PDFInfo
- Publication number
- CN220664532U CN220664532U CN202322069612.3U CN202322069612U CN220664532U CN 220664532 U CN220664532 U CN 220664532U CN 202322069612 U CN202322069612 U CN 202322069612U CN 220664532 U CN220664532 U CN 220664532U
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- Prior art keywords
- cover
- rear end
- end flange
- sealing
- compresses tightly
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- 230000036555 skin type Effects 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 230000008093 supporting effect Effects 0.000 claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 229920001971 elastomer Polymers 0.000 claims abstract description 34
- 239000000565 sealant Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a heavy duty drum skin type inflatable chuck, which comprises: the rear end flange compresses tightly the end cover, front end compresses tightly the cover, the inner strut set up between end cover and front end compresses tightly the cover to the rear end flange; the outer wall of the inner supporting column is provided with a sealing rubber sleeve in a surrounding mode, a concave accommodating cavity is formed in one side face, facing the inner supporting column, of the sealing rubber sleeve, and an inflatable sleeve supporting ring is assembled in the concave accommodating cavity; the rear end flange compression end cover is provided with an air tap which is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column; the rear end flange compresses tightly the apex angle department that the end cover contacts with sealed gum cover, the front end compresses tightly the apex angle department that the cover contacts with sealed gum cover and is equipped with the ladder groove of oblique angle; the outer edge of the sealing rubber sleeve is embedded with an oblique-angle stepped groove to realize sealing. According to the sealing device, the rear end flange compression end cover and the front end compression cover are arranged at the two ends of the inner supporting column respectively, and the corresponding bevel angle step groove is formed so that the outer edge of the sealing rubber sleeve is embedded to realize sealing, so that the air tightness of the air expansion chuck is greatly improved.
Description
Technical Field
The utility model relates to the technical field of inflatable chucks, in particular to a heavy-duty drum skin type inflatable chuck.
Background
The inflatable chuck is a specially-made device for assisting products in coiling and uncoiling, and is widely applied to coiling and uncoiling film-shaped products. However, the air tightness of the air expansion chuck is not tight in the practical application process, so that proper supporting force cannot be provided for the film-shaped product due to air leakage in the use process of the air expansion chuck, and the application effects of winding and unwinding are affected. Therefore, the inflatable chuck in the prior art has the problem of poor air tightness in the using process.
Disclosure of Invention
The embodiment of the utility model provides a heavy-duty drum skin type inflatable chuck, which aims to solve the problem of low air tightness of the inflatable chuck in the use process in the prior art.
The utility model discloses a heavy duty drum skin type inflatable chuck, which comprises:
the rear end flange compresses tightly the end cover, front end compresses tightly the cover, set up in the said rear end flange compresses tightly the inner stay between cover and said front end compresses tightly the cover;
the outer wall of the inner supporting column is provided with a sealing rubber sleeve in a surrounding mode, a concave accommodating cavity is formed in one side face, facing the inner supporting column, of the sealing rubber sleeve, and the support ring of the inflatable sleeve is assembled in the concave accommodating cavity;
the rear end flange compression end cover is provided with an air tap, and the air tap is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column;
oblique angle stepped grooves are formed in the vertex angle positions of the rear end flange compression end cover, which is in contact with the sealant sleeve, and the vertex angle positions of the front end compression cover, which is in contact with the sealant sleeve; the outer edge of the sealing rubber sleeve is embedded into the bevel stepped groove to realize sealing.
The heavy drum skin type inflatable chuck is characterized in that the rear end flange compression end cover is fixedly connected with the inner supporting column through bolts.
The heavy drum skin type inflatable chuck is characterized in that the front end pressing cover is fixedly connected with the inner supporting column through bolts.
The heavy drum skin type inflatable chuck is characterized in that an annular groove is formed in one side face, facing the rear end flange, of the compression end cover, and a first sealing ring is embedded into the annular groove to seal the contact surface of the inner supporting column and the rear end flange compression end cover.
The heavy drum skin type inflatable chuck is characterized in that a second sealing ring is arranged on the contact surface of the outer wall of the air tap and the rear end flange compression end cover, and the second sealing ring is used for sealing a gap between the outer wall of the air tap and the rear end flange compression end cover.
The outer edge of the sealing rubber sleeve protrudes towards the inner side of the concave accommodating cavity to form a convex step;
the edge side of the inflatable sleeve supporting ring is abutted with the upper end face of the convex step and the inner side wall of the concave accommodating cavity.
The heavy-duty drum skin type inflatable chuck is characterized in that a plurality of vent holes are formed in the inflatable sleeve supporting ring.
The utility model discloses a heavy duty drum skin type inflatable chuck, which comprises: the rear end flange compresses tightly the end cover, front end compresses tightly the cover, the inner strut set up between end cover and front end compresses tightly the cover to the rear end flange; the outer wall of the inner supporting column is provided with a sealing rubber sleeve in a surrounding mode, a concave accommodating cavity is formed in one side face, facing the inner supporting column, of the sealing rubber sleeve, and an inflatable sleeve supporting ring is assembled in the concave accommodating cavity; the rear end flange compression end cover is provided with an air tap which is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column; the rear end flange compresses tightly the apex angle department that the end cover contacts with sealed gum cover, the front end compresses tightly the apex angle department that the cover contacts with sealed gum cover and is equipped with the ladder groove of oblique angle; the outer edge of the sealing rubber sleeve is embedded with an oblique-angle stepped groove to realize sealing. In the technical scheme, the rear end flange compression end cover and the front end compression cover are respectively arranged at the two ends of the inner supporting column, and the corresponding bevel angle stepped groove is arranged so that the outer edge of the sealing rubber sleeve is embedded to realize sealing, so that the air tightness of the inflatable chuck is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an external block diagram of a heavy duty drum skin inflatable chuck according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of a heavy duty drum skin type inflatable clamp according to an embodiment of the present utility model.
Reference numerals: 1. the rear end flange compresses the end cover; 2. an inner strut; 3. sealing the rubber sleeve; 4. an inflatable sleeve supporting ring; 5. the front end is tightly pressed against the cover; 6. an air tap; 7. a first seal ring; 8. a second seal ring; 41. and a vent hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The utility model discloses a heavy duty drum skin type inflatable chuck, as shown in fig. 1-2, comprising: the device comprises a rear end flange compression end cover 1, a front end compression cover 5 and an inner strut 2 arranged between the rear end flange compression end cover 1 and the front end compression cover 5; the outer wall of the inner supporting column 2 is provided with a sealing rubber sleeve 3 in a surrounding mode, a concave accommodating cavity is formed in the side face, facing the inner supporting column 2, of the sealing rubber sleeve 3, and the inflatable sleeve supporting ring 4 is assembled in the concave accommodating cavity; an air tap 6 is arranged on the rear end flange compression end cover 1, and the air tap 6 is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column 2; oblique angle stepped grooves are formed in the vertex angle positions of the rear end flange compression end cover 1, the front end compression cover 5 and the sealing rubber sleeve 3, wherein the vertex angle positions of the rear end flange compression end cover 1 and the sealing rubber sleeve 3 are in contact; the outer edge of the sealing rubber sleeve 3 is embedded into the bevel stepped groove to realize sealing.
The rear end flange compresses tightly end cover 1 and front end and compresses tightly lid 5 and carries out fixed connection with the both ends of interior strut 2 respectively, and the rear end flange compresses tightly the apex angle department that end cover 1 contacted with sealed gum cover 3, and the apex angle department that front end compresses tightly lid 5 contacted with sealed gum cover 3 all is equipped with oblique angle ladder recess, and the outer fringe department embedding oblique angle ladder recess of sealed gum cover 3 is in order to realize sealedly to realize sealed tight sealing of sealed gum cover 3. The air nozzle 6 is used for injecting air to increase the air pressure in the concave accommodating cavity of the sealing rubber sleeve 3, so that the sealing rubber sleeve 3 is expanded outwards under the support of the air inflation sleeve supporting ring 4, and the supporting force is provided for the external film-shaped material. The sealing rubber sleeve 3 is made of PU rubber, and is obtained by molding through a mold, and the PU rubber has the advantages of strong adhesion, plasticizer resistance, hydrolysis resistance, heat resistance, wire drawing resistance and the like; the sealing rubber sleeve 3 is made of flexible materials, so that more uniform supporting force can be provided for the external film-shaped materials, and better using effect is achieved.
Wherein, the material of the rear end flange compression end cover 1 is steel, and the rear end flange compression end cover is obtained through processing and forming; the inner stay 2 is made of steel material, and is formed by processing and shaping. The material of physiosis cover supporting ring 4 is the aluminum product, obtains through processing shaping, and physiosis cover supporting ring 4 assembles in the spill accommodation chamber to the both ends face of physiosis cover supporting ring 4 carries out the chamfer, thereby avoids physiosis cover supporting ring 4 scratch sealed gum cover 3 through the chamfer, so that physiosis cover supporting ring 4 can play fixed support effect in the spill accommodation chamber, and ensures sealed gum cover 3 non-deformable in the use.
In a specific embodiment, the rear end flange compression end cover 1 is fixedly connected with the inner strut 2 through a bolt. Specifically, the front end pressing cover 5 is fixedly connected with the inner strut 2 through a bolt. Wherein, the side of interior stay 2 towards rear end flange compresses tightly end cover 1 is equipped with the annular groove, and first sealing washer 7 embedding in the annular groove is in order to right interior stay 2 with the rear end flange compresses tightly the contact surface of end cover 1 and seals.
The inner supporting column 2 and the rear end flange compression end cover 1 are fixedly connected through bolts, the front end compression cover 5 and the inner supporting column 2 are fixedly connected through bolts, so that the stability of the fixed connection is further improved, namely the clamping force of the rear end flange compression end cover 1 and the front end compression cover 5 to the sealing rubber sleeve 3 can be improved, and the holding force is increased to improve the air tightness of the sealing rubber sleeve 3 in the use process.
The annular groove is formed in the rear end flange compression end cover 1, and the first sealing ring 7 is embedded into the annular groove, so that the inner supporting column 2 and the rear end flange compression end cover 1 are completely sealed, and the overall air tightness of the air expansion chuck is further improved.
In a specific embodiment, a second sealing ring 8 is disposed on a contact surface between the outer wall of the air tap 6 and the rear end flange compression end cover 1, and the second sealing ring 8 is used for sealing a gap between the outer wall of the air tap 6 and the rear end flange compression end cover 1. Specifically, the outer edge of the sealing gum cover 3 protrudes towards the inner side of the concave accommodating cavity to form a convex step; the edge side of the inflatable sleeve supporting ring 4 is abutted against the upper end face of the convex step and the inner side wall of the concave accommodating cavity. Wherein, a plurality of vent holes 41 are arranged on the support ring 4 of the inflatable sleeve.
The air tap 6 is made of brass, and the air tap 6 can be a pointed air tap 6, a horn-shaped air tap 6, a flat-head O-shaped ring air tap 6 or an automatic air tap. The charging connector 6 is fixedly connected with the rear end flange compression end cover 1 through the screw teeth of the charging connector and is provided with a second sealing ring 8 to seal a gap between the outer wall of the gas connector 6 and the rear end flange compression end cover 1, so that the overall air tightness of the air expansion chuck is further improved.
The first sealing ring 7 and the second sealing ring 8 are made of fluororubber, and the fluororubber has the characteristics of high temperature resistance, oil resistance and corrosion resistance.
The edge side of the inflatable sleeve supporting ring 4 is abutted against the upper end face of the convex step and the inner side wall of the concave accommodating cavity, so that the supporting effect of the inflatable sleeve supporting ring 4 on the sealing rubber sleeve 3 is further improved. Further, a plurality of ventilation holes 41 may be provided in the support ring 4 for the inflatable jacket, so that the gas can be circulated into the space between the sealant jacket 3 and the support ring 4 through the ventilation holes 41.
The utility model discloses a heavy duty drum skin type inflatable chuck, which comprises: the rear end flange compresses tightly the end cover, front end compresses tightly the cover, the inner strut set up between end cover and front end compresses tightly the cover to the rear end flange; the outer wall of the inner supporting column is provided with a sealing rubber sleeve in a surrounding mode, a concave accommodating cavity is formed in one side face, facing the inner supporting column, of the sealing rubber sleeve, and an inflatable sleeve supporting ring is assembled in the concave accommodating cavity; the rear end flange compression end cover is provided with an air tap which is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column; the rear end flange compresses tightly the apex angle department that the end cover contacts with sealed gum cover, the front end compresses tightly the apex angle department that the cover contacts with sealed gum cover and is equipped with the ladder groove of oblique angle; the outer edge of the sealing rubber sleeve is embedded with an oblique-angle stepped groove to realize sealing. In the technical scheme, the rear end flange compression end cover and the front end compression cover are respectively arranged at the two ends of the inner supporting column, and the corresponding bevel angle stepped groove is arranged so that the outer edge of the sealing rubber sleeve is embedded to realize sealing, so that the air tightness of the inflatable chuck is greatly improved.
The present utility model is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. A heavy duty drum skin inflatable clamp, comprising: the rear end flange compresses tightly the end cover, front end compresses tightly the cover, set up in the said rear end flange compresses tightly the inner stay between cover and said front end compresses tightly the cover;
the outer wall of the inner supporting column is provided with a sealing rubber sleeve in a surrounding mode, a concave accommodating cavity is formed in one side face, facing the inner supporting column, of the sealing rubber sleeve, and an inflatable sleeve supporting ring is assembled in the concave accommodating cavity;
the rear end flange compression end cover is provided with an air tap, and the air tap is communicated with the concave accommodating cavity through an air passage arranged on the inner supporting column;
oblique angle stepped grooves are formed in the vertex angle positions of the rear end flange compression end cover, which is in contact with the sealant sleeve, and the vertex angle positions of the front end compression cover, which is in contact with the sealant sleeve; the outer edge of the sealing rubber sleeve is embedded into the bevel stepped groove to realize sealing.
2. A heavy duty drum skin inflatable clamp according to claim 1, wherein said rear end flange compression end cap is fixedly connected to said inner strut by bolts.
3. A heavy duty drum skin inflatable clamp according to claim 1 or 2, wherein the front end compression cover is fixedly connected to the inner strut by a bolt.
4. A heavy duty drum skin type inflatable clamp according to claim 2, wherein a side of said inner strut facing said rear end flange compression end cap is provided with an annular groove, and a first seal ring is embedded in said annular groove to seal the interface of said inner strut and said rear end flange compression end cap.
5. A heavy duty drum skin type inflatable clamp according to claim 2 or 4, wherein a second sealing ring is arranged on the contact surface between the outer wall of the air tap and the rear end flange pressing end cover, and the second sealing ring is used for sealing a gap between the outer wall of the air tap and the rear end flange pressing end cover.
6. A heavy duty drum skin type inflatable clamp according to claim 1, wherein the outer edge of the sealing gum cover is raised to the inner side of the concave accommodating cavity to form a convex step;
the edge side of the inflatable sleeve supporting ring is abutted with the upper end face of the convex step and the inner side wall of the concave accommodating cavity.
7. The heavy duty drum skin type inflatable clamp of claim 6, wherein said inflatable sleeve support ring is provided with a plurality of ventilation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322069612.3U CN220664532U (en) | 2023-08-03 | 2023-08-03 | Heavy drum skin type inflatable chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322069612.3U CN220664532U (en) | 2023-08-03 | 2023-08-03 | Heavy drum skin type inflatable chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220664532U true CN220664532U (en) | 2024-03-26 |
Family
ID=90338882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322069612.3U Active CN220664532U (en) | 2023-08-03 | 2023-08-03 | Heavy drum skin type inflatable chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220664532U (en) |
-
2023
- 2023-08-03 CN CN202322069612.3U patent/CN220664532U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |