Pressure vessel with metal composite structure

Abstract

The pressure container of the metal composite structure comprises a container body, a fiber composite layer is arranged in the container body, an embedded part is arranged at an opening in the top of the container body and attached to the fiber composite layer, a built-in sleeve is arranged on the embedded part, and a metal flange connector is installed on the built-in sleeve. The embedded part and the built-in sleeve are arranged on the container body to enable the fiber composite layer in the container body to be attached and connected in a sealed mode, and meanwhile the embedded part and the built-in sleeve can prevent the opening of the pressure container from being affected by temperature to deform. In the installation process of the metal flange connector, a stepped groove formed in the embedded part is in threaded connection with a stepped connector arranged on the metal flange connector, the attaching degree is improved, an arc protruding block arranged on the metal flange connector is closely attached to a wave-shaped groove formed in the built-in sleeve, and a sealing ring and a sealing groove are arranged, so that the sealing performance of the metal flange connector is improved. The leakage after the container is deformed due to pressure is prevented while the sealing performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel technical field especially is related to a metal composite structure pressure vessel. BACKGROUND

[0002] In the pressure vessel technical field, light weight, stable structure, high strength is the ideal characteristic of pressure vessel, ordinary pressure vessel often adopts metal material as its inner bag material, this pressure vessel although stable structure, strength performance is excellent, but it has the defects of weight is heavy, cost is higher.

[0003] But at the same time, when adopting nonmetal material as the inner bag of pressure vessel, under the strength limitation of existing nonmetal material, still need to adopt metal material to make the bottle nozzle part of pressure vessel, and when using metal bottle nozzle, the bearing capacity, sealing performance of the interface of existing bottle nozzle and inner bag combination is poor, so that the interface of bottle nozzle and inner bag combination has higher medium leakage risk when facing higher pressure environment.

[0004] Therefore, in view of the technical deficiencies, it is very necessary to provide a metal composite structure pressure vessel to solve the technical deficiencies. UTILITY MODEL CONTENTS

[0005] The utility model discloses a metal composite structure pressure vessel, through the embedding piece and built -in sleeve of container body installation are pasted and sealed connection with the fiber composite layer in the container body, and the embedding piece and built -in sleeve can prevent the deformation of pressure vessel opening place from temperature influence, the stepped groove of embedding piece is set up and the stepped joint thread connection of metal flange joint is set up on the metal flange joint in the process of metal flange joint installation, improves the degree of adhesion, and the arc convex block of metal flange joint is set up and the wave groove of built -in sleeve is also closely pasted, and the setting of sealing washer and sealing groove increases the sealing property and prevents the leakage of container from the deformation under pressure.

[0006] The above-mentioned purpose of the utility model is realized through the following technical scheme.

[0007] Provide a kind of metal composite structure pressure vessel, including container body, container body inside is provided with fiber composite layer, container body top opening is provided with embedding piece, embedding piece is pasted with fiber composite layer, embedding piece is provided with built-in sleeve, built-in sleeve is installed with metal flange joint;

[0008] The built-in sleeve is fixed on the embedding piece, and a sealing groove is formed in the built-in sleeve.

[0009] Specifically, the metal flange joint comprises a stepped joint, a connecting portion is integrally arranged at the bottom of the stepped joint, a sealing ring is mounted on the connecting portion, and a circular arc protrusion is arranged at the bottom end of the connecting portion.

[0010] Specifically, an extension layer is arranged on the fiber composite layer and is attached to the bottom of the built-in sleeve.

[0011] Specifically, a stepped groove is arranged at the top of the embedding piece and is mounted in cooperation with the stepped joint.

[0012] Further, the circular arc protrusion is mounted in cooperation with the wavy groove.

[0013] Specifically, the sealing ring is embedded in the sealing groove.

[0014] The embedding piece and the built-in sleeve can prevent the opening of the pressure container from being deformed due to temperature influence, the stepped groove arranged on the embedding piece is threadedly connected with the stepped joint arranged on the metal flange joint during the installation of the metal flange joint, the attachment degree is improved, the circular arc protrusion arranged on the metal flange joint is tightly attached to the wavy groove formed in the built-in sleeve, and in addition to the arrangement of the sealing ring and the sealing groove, the sealing property is improved and the leakage of the container after deformation due to pressure is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further described with reference to the drawings, but the contents in the drawings do not constitute any limitation on the utility model.

[0016] Figure 1 It is a structure schematic view of a metal composite structure pressure container.

[0017] Figure 2 It is a structure schematic view of a metal composite structure pressure container Figure 1 of the utility model.

[0018] Figure 3 It is a structure schematic view of a metal composite structure pressure container Figure 1 of the utility model.

[0019] From Figures 1 to 3 , comprising:

[0020] 1, container body;

[0021] 2, fiber composite layer;

[0022] 3. Embedded components;

[0023] 4. Internal sleeve;

[0024] 5. Metal flange joints;

[0025] 6. Wavy grooves;

[0026] 7. Sealing groove;

[0027] 8. Stepped connector;

[0028] 9. Connecting parts;

[0029] 10. Sealing ring;

[0030] 11. Arc-shaped protrusion;

[0031] 12. Extension layer;

[0032] 13. Stepped groove. Detailed Implementation

[0033] The present invention will be further described in conjunction with the following embodiments.

[0034] Example 1:

[0035] like Figures 1-3 As shown, a metal composite pressure vessel includes a vessel body 1, a fiber composite layer 2 disposed inside the vessel body 1, an insert 3 disposed at the top opening of the vessel body 1, the insert 3 being attached to the fiber composite layer 2, an internal sleeve 4 disposed on the insert 3, and a metal flange joint 5 installed on the internal sleeve 4.

[0036] During installation, the insert 3 is fixedly installed at the opening of the container body 1 and adheres to the fiber composite layer 2 inside the container body 1 to increase the sealing effect and prevent leakage at the interface of the fiber composite layer 2. An extension layer 12 is provided on the fiber composite layer 2, and the extension layer 12 adheres to the bottom of the inner sleeve 4 to prevent leakage at the interface between the inner sleeve 4 and the fiber composite layer 2. The inner sleeve 4 inside the insert 3 can be installed with the metal flange joint 5. The metal flange joint 5 and the inner sleeve 4 are threaded together. At the same time, when the pressure vessel is subjected to pressure and deforms, the inner sleeve 4 can move towards the metal flange joint 5, so that the metal flange joint 5 and the inner sleeve 4 fit more tightly, improving installation efficiency while ensuring sealing.

[0037] The bottom of the built-in sleeve 4 is provided with a wavy groove 6, and the top of the built-in sleeve 4 is provided with a threaded structure, the built-in sleeve 4 is fixed on the embedded part 3, a sealing groove 7 is formed in the built-in sleeve 4, the metal flange joint 5 comprises a stepped joint 8, the stepped joint 8 is integrally formed at the bottom of the connecting part 9, the sealing ring 10 is installed on the connecting part 9, and the circular arc protrusion 11 is arranged at the bottom end of the connecting part 9.

[0038] During installation, the stepped joint 8 at the top of the metal flange joint 5 can be installed at the stepped groove 13 arranged at the top of the embedded part 3, the stepped structure ensures the installation effect and increases the fitting degree, the connecting part 9 of the metal flange joint 5 is rotatably installed on the threaded structure in the built-in sleeve 4, the sealing ring 10 arranged on the connecting part 9 during installation enters the sealing groove 7 formed in the built-in sleeve 4 to ensure the sealing effect, and the circular arc protrusion 11 integrally formed at the bottom of the connecting part 9 also enters the wavy groove 6 through rotation and fits with the wavy groove 6, so that multiple sealing prevents the pressure container from leaking.

[0039] During production, the fiber composite layer 2 in the container body 1 is connected and sealed by installing the embedded part 3 and the built-in sleeve 4 on the container body 1, and the embedded part 3 and the built-in sleeve 4 can prevent the opening of the pressure container from being deformed due to temperature, the stepped groove arranged on the embedded part 3 is threadedly connected with the stepped joint arranged on the metal flange joint 5 during installation of the metal flange joint 5, the fitting degree is improved, the circular arc protrusion 11 arranged on the metal flange joint 5 is also tightly fitted with the wavy groove 6 formed in the built-in sleeve 4, and in addition to the arrangement of the sealing ring 10 and the sealing groove 7, the sealing effect is improved, and the container is prevented from leaking after being deformed due to pressure.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited to the scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent, without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A metal composite construction pressure vessel characterized by: The container body is internally provided with a fiber composite layer, the top opening of the container body is provided with an embedded part, the embedded part is attached to the fiber composite layer, the embedded part is provided with an embedded sleeve, and the embedded sleeve is installed with a metal flange joint; The embedded sleeve is provided with a wave groove at the bottom and a threaded structure at the top, is fixed on the embedded part, and is provided with a sealing groove.

2. A metal composite pressure vessel according to claim 1, wherein: The metal flange joint comprises a stepped joint, the bottom of the stepped joint is integrally provided with a connecting part, the connecting part is installed with a sealing ring, and the bottom end of the connecting part is provided with a circular arc protrusion.

3. A metal composite pressure vessel according to claim 2, wherein: An extension layer is arranged on the fiber composite layer and attached to the bottom of the embedded sleeve.

4. A metal composite pressure vessel according to claim 3, wherein: The top of the embedded part is provided with a stepped groove, and the stepped groove is installed in cooperation with the stepped joint.

5. A metal composite pressure vessel according to claim 4, wherein: The circular arc protrusion is installed in cooperation with the wave groove.

6. A metal composite pressure vessel according to claim 5, wherein: The sealing ring is embedded in the sealing groove.

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