CN221035196U - Inner container mouth structure of composite material gas cylinder - Google Patents

Inner container mouth structure of composite material gas cylinder Download PDF

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Publication number
CN221035196U
CN221035196U CN202322921967.0U CN202322921967U CN221035196U CN 221035196 U CN221035196 U CN 221035196U CN 202322921967 U CN202322921967 U CN 202322921967U CN 221035196 U CN221035196 U CN 221035196U
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China
Prior art keywords
bottle
fixedly connected
cylinder
bottle opening
groove
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CN202322921967.0U
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Chinese (zh)
Inventor
谭轶谦
黄焕伟
徐辉臣
王永鑫
张祥龙
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Shanghai Tianhai Composite Gas Cylinder Co ltd
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Shanghai Tianhai Composite Gas Cylinder Co ltd
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Abstract

The utility model relates to the technical field of composite gas cylinders, in particular to an inner liner cylinder mouth structure of a composite gas cylinder, which comprises an outer cylinder, wherein the upper end of the outer cylinder is fixedly connected with a first cylinder mouth, an inner cylinder is arranged in the outer cylinder, the upper end of the inner cylinder is fixedly connected with a second cylinder mouth, the outer surface of the first cylinder mouth and the inner surface of the second cylinder mouth are connected with a connecting cap through common threads, the outer surface of the first cylinder mouth is fixedly connected with external threads, and the inner surface of the second cylinder mouth is fixedly connected with internal threads. According to the inner container mouth structure of the composite material gas cylinder, the outer surface and the inner surface of the fixing ring in the connecting cap are provided with the plurality of clamping grooves, the inner surface of the first bottle mouth and the outer surface of the second bottle mouth are fixedly connected with the plurality of clamping strips, and after the connecting cap is connected with the outer bottle and the inner bottle, the plurality of clamping grooves are respectively clamped and connected with the plurality of clamping strips, so that the connecting cap cannot slide wires in subsequent use, and the tightness of the outer bottle and the inner bottle can be kept in a good state all the time.

Description

Inner container mouth structure of composite material gas cylinder
Technical Field
The utility model relates to the technical field of composite gas cylinders, in particular to a liner cylinder mouth structure of a composite gas cylinder.
Background
With the progress of the production process, the material of the high-pressure gas storage and transportation container is changed newly, the liner made of plastic materials is used as the gas storage bottle body, the plastic bottle body made of composite materials has the characteristics of high volume-weight ratio, corrosion resistance, long service cycle and wider application range, and is widely accepted, and the plastic bottle body is easier to manufacture and form in the production and manufacturing process, namely, the plastic bottle body cannot generate stress corrosion and hydrogen embrittlement, and the product is safer;
When the bottle mouth of the prior composite gas cylinder liner is connected, the prior composite gas cylinder liner is generally connected by screw threads, and the single screw threads are easy to cause sliding wires in the subsequent use, so that the tightness is reduced, and the use of the composite gas cylinder is affected, therefore, the novel liner mouth structure of the composite gas cylinder is provided.
Disclosure of utility model
The utility model mainly aims to provide a liner bottle mouth structure of a composite material gas bottle, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a inner container bottle mouth structure of combined material gas cylinder, includes outer bottle, outer bottle upper end fixedly connected with first bottleneck, the inside interior bottle that is provided with of outer bottle, interior bottle upper end fixedly connected with second bottleneck, first bottleneck surface and the common threaded connection of second bottleneck internal surface have the connecting cap, first bottleneck surface fixedly connected with external screw thread, second bottleneck internal surface fixedly connected with internal screw thread, the equal fixedly connected with of first bottleneck internal surface and second bottleneck surface a plurality of card strip.
Preferably, the connecting cap comprises a cap body, an external connecting hole is formed in the middle of the upper end of the cap body, a hollow groove is formed in the lower end of the cap body, a fixing ring is fixedly connected to the middle of the upper wall of the hollow groove, a plurality of clamping grooves are formed in the outer surface and the inner surface of the fixing ring, a first thread groove is formed in one side, close to the second bottle opening, of the inner surface of the hollow groove, and a second thread groove is formed in one side, close to the first bottle opening, of the inner surface of the hollow groove.
Preferably, the second bottle mouth is positioned inside the first bottle mouth and is not contacted.
Preferably, the plurality of clamping strips are distributed vertically at equal distances and are not contacted with each other.
Preferably, the external connection hole is positioned in the empty groove and is not in contact with the empty groove, the fixing ring is positioned between the first bottle opening and the second bottle opening, and the clamping grooves are respectively clamped and connected with the clamping strips.
Preferably, the first thread groove is slidably connected with the internal thread, and the second thread groove is slidably connected with the external thread.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the lower end of the connecting cap is provided with the empty groove, and the inner surface of the empty groove is simultaneously provided with the first thread groove and the second thread groove, so that when the connecting cap is used for connecting the outer bottle and the inner bottle, the connecting cap can be simultaneously connected with the outer bottle and the inner bottle through the first thread groove and the second thread groove, the tightness between the inner bottle and the outer bottle is higher, and the use safety of a finished product is improved;
2. According to the utility model, the fixing ring is fixedly connected to the upper wall in the empty groove at the lower end of the connecting cap, the clamping grooves are formed in the outer surface and the inner surface of the fixing ring, the clamping strips are fixedly connected to the inner surface of the first bottle opening of the outer bottle and the outer surface of the second bottle opening of the inner bottle, and after the connecting cap is connected with the outer bottle and the inner bottle, the clamping grooves are respectively clamped with the clamping strips, so that the connecting cap is free from slipping in subsequent use, and the sealing performance of the outer bottle and the inner bottle can be kept in a good state all the time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a liner mouth structure of a composite gas cylinder according to the present utility model;
FIG. 2 is a schematic drawing showing a cut-away view of the overall structure of an outer cylinder and a first cylinder mouth of the inner liner cylinder mouth structure of the composite gas cylinder;
FIG. 3 is a schematic cross-sectional view of the whole structure of the inner cylinder and the second cylinder mouth of the inner cylinder mouth structure of the composite gas cylinder;
Fig. 4 is a schematic sectional view of the whole structure of the connecting cap of the liner mouth structure of the composite gas cylinder.
In the figure: 1. an outer bottle; 2. a first bottle mouth; 3. an inner bottle; 4. a second bottle mouth; 5. a connecting cap; 6. an external thread; 7. clamping strips; 8. an internal thread; 51. a cap body; 52. externally connecting the connecting hole; 53. a hollow groove; 54. a fixing ring; 55. a clamping groove; 56. a first thread groove; 57. and a second thread groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the present utility model provides a technical solution:
The utility model provides a inner container bottle mouth structure of combined material gas cylinder, including outer bottle 1, outer bottle 1 upper end fixedly connected with first bottleneck 2, the inside interior bottle 3 that is provided with of outer bottle 1, interior bottle 3 upper end fixedly connected with second bottleneck 4, the common threaded connection of first bottleneck 2 surface and second bottleneck 4 internal surface has connecting cap 5, first bottleneck 2 external surface fixedly connected with external screw thread 6, the internal surface fixedly connected with internal screw thread 8 of second bottleneck 4, the equal fixedly connected with of first bottleneck 2 internal surface and second bottleneck 4 surface card strip 7 of a plurality of.
In this embodiment, the second bottleneck 4 is located inside the first bottleneck 2 and is not contacted, and a plurality of clamping strips 7 are distributed up and down at equal distance and are not contacted with each other, and through a plurality of clamping strips 7 which are fixedly connected to the inner surface of the first bottleneck 2 and the outer surface of the second bottleneck 4, when the first bottleneck 2 and the second bottleneck 4 are connected with the connecting cap 5, limiting fixation can be performed between the plurality of clamping strips 7 and the connecting cap 5, so that the connecting cap 5 is prevented from slipping in subsequent use.
In this embodiment, the connecting cap 5 includes a cap body 51, an external connecting hole 52 is opened in the middle of the upper end of the cap body 51, a hollow groove 53 is opened at the lower end of the cap body 51, a fixing ring 54 is fixedly connected in the middle of the upper wall in the hollow groove 53, a plurality of clamping grooves 55 are opened on the outer surface and the inner surface of the fixing ring 54, a first threaded groove 56 is opened on one side of the inner surface of the hollow groove 53 close to the second bottle mouth 4, a second threaded groove 57 is opened on one side of the inner surface of the hollow groove 53 close to the first bottle mouth 2, the external connecting hole 52 is positioned in the hollow groove 53 and is not contacted, the fixing ring 54 is positioned between the first bottle mouth 2 and the second bottle mouth 4, the plurality of clamping grooves 55 are respectively connected with the plurality of clamping strips 7 in a clamping manner, the first threaded groove 56 is connected with the internal threads 8 in a sliding manner, the second threaded groove 57 is connected with the external threads 6 in a sliding manner, the hollow groove 53 is opened at the lower end of the connecting cap 5, a first threaded groove 56 and a second threaded groove 57 is opened on the inner surface of the hollow groove 53 at the same time, a second threaded groove 57 is opened on one side of the inner surface of the hollow groove 53, the first threaded groove 56 and the second threaded groove 57 is positioned on the side of the inner surface of the hollow groove 53, the hollow groove 53 is positioned on the side of the first threaded groove 56 and the second threaded groove 57, the inner groove 2 is in the first threaded groove 4, and the second threaded groove 4 is in the inner thread groove 3 and the first threaded groove 3 and the second threaded groove 3 is in the inner threaded groove 3.
It should be noted that, the utility model is an inner liner mouth structure of a composite gas cylinder, through opening the hollow groove 53 at the lower end of the connecting cap 5, and opening the first thread groove 56 and the second thread groove 57 at the inner surface of the hollow groove 53 at the same time, when the connecting cap 5 is used to connect the outer bottle 1 and the inner bottle 3, the connecting cap 5 can be connected with the outer bottle 1 and the inner bottle 3 through the first thread groove 56 and the second thread groove 57 at the same time, so that the tightness between the inner bottle 1 and the outer bottle 3 is higher, the use safety of the finished product is improved, and through fixedly connecting the fixing ring 54 at the upper wall in the hollow groove 53 at the lower end of the connecting cap 5, and opening a plurality of clamping grooves 55 at the outer surface and the inner surface of the fixing ring 54, simultaneously, the inner surface of the first bottle mouth 2 of the outer bottle 1 and the outer bottle mouth 4 of the inner bottle 3 are fixedly connected with a plurality of clamping strips 7, and after the connecting cap 5 and the outer bottle 1 and the inner bottle 3 are connected, the plurality of clamping grooves 55 can be respectively and mutually clamped and connected with the plurality of clamping strips 7, so that the connecting cap 5 can not keep good inner liner condition in the subsequent use state of the bottle 1 and can not keep good inner liner condition.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a inner container bottle mouth structure of combined material gas cylinder, includes outer bottle (1), its characterized in that: the bottle comprises an outer bottle (1), wherein the upper end of the outer bottle is fixedly connected with a first bottle opening (2), an inner bottle (3) is arranged in the outer bottle (1), the upper end of the inner bottle (3) is fixedly connected with a second bottle opening (4), the outer surface of the first bottle opening (2) and the inner surface of the second bottle opening (4) are connected with a connecting cap (5) through common threads, the outer surface of the first bottle opening (2) is fixedly connected with an external thread (6), the inner surface of the second bottle opening (4) is fixedly connected with an internal thread (8), and a plurality of clamping strips (7) are fixedly connected to the inner surface of the first bottle opening (2) and the outer surface of the second bottle opening (4);
The connecting cap (5) comprises a cap body (51), an external connecting hole (52) is formed in the middle of the upper end of the cap body (51), an empty groove (53) is formed in the lower end of the cap body (51), a fixing ring (54) is fixedly connected to the middle of the upper wall in the empty groove (53), a plurality of clamping grooves (55) are formed in the outer surface and the inner surface of the fixing ring (54), a first thread groove (56) is formed in one side, close to a second bottle opening (4), of the inner surface of the empty groove (53), and a second thread groove (57) is formed in one side, close to the first bottle opening (2), of the inner surface of the empty groove (53).
2. The liner port structure of a composite gas cylinder according to claim 1, wherein: the second bottle opening (4) is positioned inside the first bottle opening (2) and is not contacted with the first bottle opening.
3. The liner port structure of a composite gas cylinder according to claim 1, wherein: the clamping strips (7) are distributed up and down at equal distances and are not contacted with each other.
4. The liner port structure of a composite gas cylinder according to claim 1, wherein: the external connection hole (52) is positioned in the empty groove (53) and is not in contact with the empty groove, the fixing ring (54) is positioned between the first bottle opening (2) and the second bottle opening (4), and the clamping grooves (55) are respectively clamped and connected with the clamping strips (7).
5. The liner port structure of a composite gas cylinder according to claim 1, wherein: the first thread groove (56) is in sliding connection with the internal thread (8), and the second thread groove (57) is in sliding connection with the external thread (6).
CN202322921967.0U 2023-10-30 2023-10-30 Inner container mouth structure of composite material gas cylinder Active CN221035196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322921967.0U CN221035196U (en) 2023-10-30 2023-10-30 Inner container mouth structure of composite material gas cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322921967.0U CN221035196U (en) 2023-10-30 2023-10-30 Inner container mouth structure of composite material gas cylinder

Publications (1)

Publication Number Publication Date
CN221035196U true CN221035196U (en) 2024-05-28

Family

ID=91132251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322921967.0U Active CN221035196U (en) 2023-10-30 2023-10-30 Inner container mouth structure of composite material gas cylinder

Country Status (1)

Country Link
CN (1) CN221035196U (en)

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