CN210716944U - High-pressure composite container interface structure - Google Patents
High-pressure composite container interface structure Download PDFInfo
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- CN210716944U CN210716944U CN201921139192.9U CN201921139192U CN210716944U CN 210716944 U CN210716944 U CN 210716944U CN 201921139192 U CN201921139192 U CN 201921139192U CN 210716944 U CN210716944 U CN 210716944U
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Abstract
A high-pressure composite container interface structure comprises a bottle body, a metal piece, a sealing ring, a connecting piece and a sealing ring; the metal piece is of a cylindrical structure, and the bottom end of the inner wall of the metal piece is in a thread shape in the circumferential direction to form an internal thread of the metal piece; the top surface of the metal piece is provided with a first boss; the first boss and the metal piece are in a groove shape to form a sealing ring clamping groove; the sealing ring is arranged in the sealing ring; a second boss is arranged on the side wall of the bottom end of the metal piece; a third boss is arranged at the bottom end of the metal piece; the connecting piece is wrapped on the outer side of the bottom end of the metal piece, and the metal piece is embedded into the connecting piece and integrally injection-molded through a mold; the connecting piece imbeds in the bottle top recess, supports bottle top recess bottom through first sealing ring, second sealing ring, and the connecting piece realizes with bottle top groove weld and fixes. The connecting piece and the metal piece are combined tightly, and the connecting strength is high; the connecting piece is fixed with the bottle top groove through welding, the connecting mode is simple, and the process difficulty is low.
Description
Technical Field
The utility model relates to a high pressure composite container technical field, especially a high pressure composite container interface structure.
Background
Because most of high-pressure container bottles in the current Chinese market are made of metal materials, the liner material of part of composite material container bottles is also made of metal. The liner of the high-pressure container is made of plastic, and the high-pressure container has the advantages of corrosion resistance, fatigue resistance, light weight and the like, and meets the requirement of light weight. In many fields, high pressure plastic inner containers have been used, such as in the automobile industry for compressing natural gas, and in the storage of liquefied petroleum gas by using plastic inner container composite containers. Compared with foreign countries, the TYPE 4 plastic liner is rare in the Chinese market. The difficulty of the TYPE 4 high-pressure composite container is that the inner container is made of plastic material (HDPE), the valve is made of metal material, the connector of the plastic inner container is required to be designed to be made of metal material for connecting the connector of the inner container with the valve and ensuring the sealing performance of the inner container, and the metal connector of the plastic inner container is connected with the valve. In order to ensure the stable tightness of the metal interface and the plastic liner, the connection process of the metal interface and the plastic liner at the structure of the existing high-pressure composite container is complex, and the manufacturing difficulty of the interface is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the prior art, the utility model discloses a high-pressure composite container interface structure, its concrete technical scheme as follows: a high-pressure composite container interface structure comprises a bottle body, a metal piece, a sealing ring, a connecting piece and a sealing ring; the center of the top end of the bottle body is of a groove-shaped structure to form a bottle top groove, and the bottle top groove is cylindrical; the center of the bottom surface of the groove at the top of the bottle is in a through hole shape to form a bottle top hole; the bottom surface of the groove at the top of the bottle is of a groove-shaped structure in the circumferential direction to form a sealing ring clamping groove, and the sealing ring clamping groove is circumferentially arranged on the outer side of the top hole of the bottle; the metal piece is of a cylindrical structure, and the bottom end of the inner wall of the metal piece is in a thread shape in the circumferential direction to form an internal thread of the metal piece; the top surface of the metal piece is provided with a first boss which is of a circular ring structure, and the bottom surface of the first boss is fixedly connected with the top surface of the metal piece and is of an integrated structure; the first boss and the metal piece are in a groove shape to form a sealing ring clamping groove; the sealing ring is arranged in the sealing ring; the outer wall of the middle section of the metal piece is of a groove-shaped structure in the circumferential direction to form a side groove of the metal piece; the side wall of the bottom end of the metal part is provided with a second boss, the second boss is circumferentially arranged on the outer wall of the metal part, is of a circular ring-shaped structure, is fixedly connected with the metal part and is of an integrated structure, and the outer ring of the top surface of the second boss is circumferentially of a groove-shaped structure to form a second boss top groove; the outer side wall of the second boss is of a groove-shaped structure longitudinally to form a second boss side groove, and the second boss side groove is circumferentially arranged on the outer side wall of the second boss; the bottom surface of the metal piece is of a groove-shaped structure in the circumferential direction to form a bottom groove of the metal piece; the bottom end of the metal part is provided with a third boss which is annular and is fixedly connected with the bottom end of the metal part to form an integrated structure; the connecting piece is wrapped on the outer side of the bottom end of the metal piece, the metal piece is embedded into the connecting piece and integrally injection-molded through a mold, and the inner shape of the connecting piece is matched with the outer shape of the metal piece; the connecting piece top section is filled in the metal piece side groove, the outer diameter of the connecting piece top section is matched with the outer diameter of the metal piece, and the connecting piece bottom section is wrapped at the bottom end of the metal piece and is of a cylindrical structure; the bottom end of the connecting piece is provided with a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are both fixedly connected with the bottom surface of the connecting piece, and the diameter of the first sealing ring is larger than that of the second sealing ring and are concentrically arranged; the connecting piece imbeds in the bottle top recess, in the sealing ring embedding sealing ring draw-in groove, support bottle top recess bottom through first sealing ring, second sealing ring, the connecting piece realizes fixedly with the bottle with bottle top groove weld.
Further, the diameter of the bottle top hole is smaller than that of the bottle top groove.
Furthermore, the outer diameter of the first boss is matched with the outer diameter of the metal piece, and the inner diameter of the first boss is larger than the inner diameter of the metal piece.
Further, the diameter of the sealing ring is matched with the inner diameter of the sealing ring clamping groove, and the sealing ring is in interference fit with the sealing ring clamping groove.
Further, the depth of the metal piece side groove is half of the thickness of the metal piece.
Furthermore, the corners of the side grooves of the metal piece are arc-shaped.
Further, the diameter of the outer ring of the second boss is larger than that of the outer ring of the first boss.
Further, the thickness of the third boss is far smaller than that of the second boss.
Furthermore, the inner diameter of the third boss is matched with that of the metal piece, and the outer ring of the third boss slightly covers one side of the bottom groove of the metal piece.
Furthermore, the outer side wall of the bottom section of the connecting piece is in a slope shape, and the outer diameter of the bottom end of the connecting piece is matched with the inner diameter of the groove in the bottle top.
Furthermore, the size of the inner diameter of the bottom end of the connecting piece is slightly larger than that of the metal piece.
Furthermore, the connecting piece, the first sealing ring and the second sealing ring are made of high-density polyethylene materials.
The utility model has the advantages that:
when the connecting structure at the interface is manufactured, the metal piece is subjected to one-step injection molding through the mold, so that the metal piece is embedded in the connecting piece, the manufacturing process is relatively simple, the manufactured connecting piece and the manufactured metal piece are combined tightly, the integrity is strong, and the connecting strength is high; finally, the connecting piece and the bottle top groove are fixedly connected through welding, the connecting mode is simple, the manufacturing difficulty is low, the overall connecting strength is high, and the manufacturing cost is low.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of the present invention.
Fig. 2 is a schematic structural view of the bottle body interface of the present invention.
Fig. 3 is a schematic view of the overall structure of the metal member and the connecting member of the present invention.
Fig. 4 is a schematic structural view of a metal member according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a metal member according to embodiment 2 of the present invention.
Fig. 6 is a schematic structural diagram of the connector of the present invention.
Fig. 7 is a schematic cross-sectional view of a metal member and a connecting member according to embodiment 1 of the present invention.
Fig. 8 is a schematic cross-sectional view of a metal member and a connecting member according to embodiment 2 of the present invention.
List of reference numerals: the bottle comprises a bottle body 1, a bottle top groove 1-1, a bottle top hole 1-2, a sealing ring clamping groove 1-3, a metal piece 2, a metal piece internal thread 2-1, a first boss 2-2, a sealing ring clamping groove 2-3, a metal piece side groove 2-4, a second boss 2-5, a second boss top groove 2-5-1, a second boss side groove 2-5-2, a second boss through hole 2-5-3, a metal piece bottom groove 2-6, a third boss 2-7, a sealing ring 3, a connecting piece 4, a first sealing ring 4-1, a second sealing ring 4-2 and a sealing ring 5.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as gluing, welding, and welding.
The high-pressure composite container interface structure comprises a bottle body, a metal piece, a sealing ring, a connecting piece and a sealing ring; the center of the top end of the bottle body is of a groove-shaped structure to form a bottle top groove, and the bottle top groove is cylindrical; the center of the bottom surface of the groove at the top of the bottle is in a through hole shape to form a bottle top hole; the bottom surface of the groove at the top of the bottle is of a groove-shaped structure in the circumferential direction to form a sealing ring clamping groove, and the sealing ring clamping groove is circumferentially arranged on the outer side of the top hole of the bottle; the metal piece is of a cylindrical structure, and the bottom end of the inner wall of the metal piece is in a thread shape in the circumferential direction to form an internal thread of the metal piece; the top surface of the metal piece is provided with a first boss which is of a circular ring structure, and the bottom surface of the first boss is fixedly connected with the top surface of the metal piece and is of an integrated structure; the first boss and the metal piece are in a groove shape to form a sealing ring clamping groove; the sealing ring is arranged in the sealing ring; the outer wall of the middle section of the metal piece is of a groove-shaped structure in the circumferential direction to form a side groove of the metal piece; the side wall of the bottom end of the metal part is provided with a second boss, the second boss is circumferentially arranged on the outer wall of the metal part, is of a circular ring-shaped structure, is fixedly connected with the metal part and is of an integrated structure, and the outer ring of the top surface of the second boss is circumferentially of a groove-shaped structure to form a second boss top groove; the outer side wall of the second boss is of a groove-shaped structure longitudinally to form a second boss side groove, and the second boss side groove is circumferentially arranged on the outer side wall of the second boss; the bottom surface of the metal piece is of a groove-shaped structure in the circumferential direction to form a bottom groove of the metal piece; the bottom end of the metal part is provided with a third boss which is annular and is fixedly connected with the bottom end of the metal part to form an integrated structure; the connecting piece is wrapped on the outer side of the bottom end of the metal piece, the metal piece is embedded into the connecting piece and integrally injection-molded through a mold, and the inner shape of the connecting piece is matched with the outer shape of the metal piece; the connecting piece top section is filled in the metal piece side groove, the outer diameter of the connecting piece top section is matched with the outer diameter of the metal piece, and the connecting piece bottom section is wrapped at the bottom end of the metal piece and is of a cylindrical structure; the bottom end of the connecting piece is provided with a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are both fixedly connected with the bottom surface of the connecting piece, and the diameter of the first sealing ring is larger than that of the second sealing ring and are concentrically arranged; the connecting piece imbeds in the bottle top recess, in the sealing ring embedding sealing ring draw-in groove, support bottle top recess bottom through first sealing ring, second sealing ring, the connecting piece realizes fixedly with the bottle with bottle top groove weld.
Further, the diameter of the bottle top hole is smaller than that of the bottle top groove.
Furthermore, the outer diameter of the first boss is matched with the outer diameter of the metal piece, and the inner diameter of the first boss is larger than the inner diameter of the metal piece.
Further, the diameter of the sealing ring is matched with the inner diameter of the sealing ring clamping groove, and the sealing ring is in interference fit with the sealing ring clamping groove.
Further, the depth of the metal piece side groove is half of the thickness of the metal piece.
Furthermore, the corners of the side grooves of the metal piece are arc-shaped.
Further, the diameter of the outer ring of the second boss is larger than that of the outer ring of the first boss.
Further, the thickness of the third boss is far smaller than that of the second boss.
Furthermore, the inner diameter of the third boss is matched with that of the metal piece, and the outer ring of the third boss slightly covers one side of the bottom groove of the metal piece.
Furthermore, the outer side wall of the bottom section of the connecting piece is in a slope shape, and the outer diameter of the bottom end of the connecting piece is matched with the inner diameter of the groove in the bottle top.
Furthermore, the size of the inner diameter of the bottom end of the connecting piece is slightly larger than that of the metal piece.
Furthermore, the connecting piece, the first sealing ring and the second sealing ring are made of high-density polyethylene materials.
The utility model has the advantages that:
when the connecting structure at the interface is manufactured, the metal piece is subjected to one-step injection molding through the mold, so that the metal piece is embedded in the connecting piece, the manufacturing process is relatively simple, the manufactured connecting piece and the manufactured metal piece are combined tightly, the integrity is strong, and the connecting strength is high; finally, the connecting piece and the bottle top groove are fixedly connected through welding, the connecting mode is simple, the manufacturing difficulty is low, the overall connecting strength is high, and the manufacturing cost is low.
Example 2
in this embodiment 2, the second boss is provided with a second boss through hole, and the second boss through hole is circumferentially arranged at the outer side of the second boss; and the connecting piece is filled in each second boss through hole simultaneously.
Claims (10)
1. A high-pressure composite container interface structure is characterized by comprising a bottle body, a metal piece, a sealing ring, a connecting piece and a sealing ring; the center of the top end of the bottle body is of a groove-shaped structure to form a bottle top groove, and the bottle top groove is cylindrical; the center of the bottom surface of the groove at the top of the bottle is in a through hole shape to form a bottle top hole; the bottom surface of the groove at the top of the bottle is of a groove-shaped structure in the circumferential direction to form a sealing ring clamping groove, and the sealing ring clamping groove is circumferentially arranged on the outer side of the top hole of the bottle; the metal piece is of a cylindrical structure, and the bottom end of the inner wall of the metal piece is in a thread shape in the circumferential direction to form an internal thread of the metal piece; the top surface of the metal piece is provided with a first boss which is of a circular ring structure, and the bottom surface of the first boss is fixedly connected with the top surface of the metal piece and is of an integrated structure; the first boss and the metal piece are in a groove shape to form a sealing ring clamping groove; the sealing ring is arranged in the sealing ring; the outer wall of the middle section of the metal piece is of a groove-shaped structure in the circumferential direction to form a side groove of the metal piece; the side wall of the bottom end of the metal part is provided with a second boss, the second boss is circumferentially arranged on the outer wall of the metal part, is of a circular ring-shaped structure, is fixedly connected with the metal part and is of an integrated structure, and the outer ring of the top surface of the second boss is circumferentially of a groove-shaped structure to form a second boss top groove; the outer side wall of the second boss is of a groove-shaped structure longitudinally to form a second boss side groove, and the second boss side groove is circumferentially arranged on the outer side wall of the second boss; the bottom surface of the metal piece is of a groove-shaped structure in the circumferential direction to form a bottom groove of the metal piece; the bottom end of the metal part is provided with a third boss which is annular and is fixedly connected with the bottom end of the metal part to form an integrated structure; the connecting piece is wrapped on the outer side of the bottom end of the metal piece, the metal piece is embedded into the connecting piece and integrally injection-molded through a mold, and the inner shape of the connecting piece is matched with the outer shape of the metal piece; the connecting piece top section is filled in the metal piece side groove, the outer diameter of the connecting piece top section is matched with the outer diameter of the metal piece, and the connecting piece bottom section is wrapped at the bottom end of the metal piece and is of a cylindrical structure; the bottom end of the connecting piece is provided with a first sealing ring and a second sealing ring, the first sealing ring and the second sealing ring are both fixedly connected with the bottom surface of the connecting piece, and the diameter of the first sealing ring is larger than that of the second sealing ring and are concentrically arranged; the connecting piece imbeds in the bottle top recess, in the sealing ring embedding sealing ring draw-in groove, support bottle top recess bottom through first sealing ring, second sealing ring, the connecting piece realizes fixedly with the bottle with bottle top groove weld.
2. The high-pressure composite vessel interface structure of claim 1, wherein the first boss outer diameter is adapted to the metal member outer diameter, and the first boss inner diameter is larger than the metal member inner diameter.
3. The high-pressure composite container interface structure of claim 1, wherein the diameter of the seal ring is adapted to the inner diameter of the seal ring slot, and the seal ring is in interference fit with the seal ring slot.
4. The high pressure composite vessel interface structure of claim 1, wherein the metal piece side channel has a depth that is half the thickness of the metal piece.
5. The high-pressure composite vessel interface structure of claim 1, wherein the corners of the metal piece side grooves are rounded.
6. The high pressure composite vessel interface structure of claim 1, wherein the outer ring diameter of the second boss is greater than the outer ring diameter of the first boss.
7. The high-pressure composite vessel interface structure of claim 1, wherein the third boss thickness is substantially less than the second boss thickness.
8. The high-pressure composite vessel interface structure of claim 1, wherein the third boss inner diameter is adapted to the metal member inner diameter, and the third boss outer ring slightly covers the metal member bottom groove side.
9. The high-pressure composite container interface structure of claim 1, wherein the outer sidewall of the bottom section of the connecting member is beveled, and the outer diameter of the bottom end of the connecting member is adapted to the inner diameter of the groove of the bottle top.
10. The high-pressure composite vessel interface structure of claim 1, wherein the connecting member, the first sealing ring, and the second sealing ring are made of high-density polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139192.9U CN210716944U (en) | 2019-07-19 | 2019-07-19 | High-pressure composite container interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139192.9U CN210716944U (en) | 2019-07-19 | 2019-07-19 | High-pressure composite container interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716944U true CN210716944U (en) | 2020-06-09 |
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ID=70935540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139192.9U Active CN210716944U (en) | 2019-07-19 | 2019-07-19 | High-pressure composite container interface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716944U (en) |
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2019
- 2019-07-19 CN CN201921139192.9U patent/CN210716944U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 225000 7, No.8, Yangzhou Science Park Road, Yangzhou City, Jiangsu Province Patentee after: Jiuchang new energy technology (Yangzhou) Co.,Ltd. Address before: 212000 806, block B, Greenland Plaza, 455 Zaolin Road, high tech Zone, Zhenjiang City, Jiangsu Province Patentee before: Jiuchang New Energy Technology (Zhenjiang) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210508 Address after: 225000 7, No.8, Yangzhou Science Park Road, Yangzhou City, Jiangsu Province Patentee after: Jiuchang new energy technology (Yangzhou) Co.,Ltd. Patentee after: HEBEI SHICHANG AUTO PARTS Co.,Ltd. Address before: 225000 7, No.8, Yangzhou Science Park Road, Yangzhou City, Jiangsu Province Patentee before: Jiuchang new energy technology (Yangzhou) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 225000 7, No.8, Yangzhou Science Park Road, Yangzhou City, Jiangsu Province Patentee after: Jiuchang new energy technology (Yangzhou) Co.,Ltd. Patentee after: Hebei Shichang Auto Parts Co.,Ltd. Address before: 225000 7, No.8, Yangzhou Science Park Road, Yangzhou City, Jiangsu Province Patentee before: Jiuchang new energy technology (Yangzhou) Co.,Ltd. Patentee before: HEBEI SHICHANG AUTO PARTS CO.,LTD. |