Cable penetrating pipe sealing structure of high-pressure oxygen system

Abstract

The utility model provides a cable penetrating pipe sealing structure of a high-pressure oxygen system, a cable penetrating pipe comprises a pipe part and a cap part constructed on the end side of the pipe part, and the pipe part penetrates through a composite gas cylinder and is tightly connected with the inner peripheries of a head-end cylinder mouth and a tail-end cylinder mouth of the composite gas cylinder in an abutting manner through a sealing piece; a step table is constructed in a tail end bottle mouth of the composite gas cylinder, the two ends of the cap part are connected with the step table and the locking piece in a tightly abutting mode respectively, and the locking piece is detachably connected with the inner circumference of the tail end bottle mouth of the composite gas cylinder; the pipe part of the cable penetrating pipe penetrates through the composite gas cylinder, and the sealing ring sleeved on the periphery of the pipe part is embedded with the inner peripheries of the head end bottle mouth and the tail end bottle mouth of the composite gas cylinder, so that the sealing among the pipe part, the head end bottle mouth and the tail end bottle mouth is realized; the step table and the threaded pressing ring are used for clamping and abutting against the cap portion of the cable penetrating pipe so that the cable penetrating pipe can be axially limited, and the cable penetrating pipe can be prevented from being disengaged from the composite gas cylinder on the premise that the sealing performance is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of high pressure oxygen storage and supply, and particularly relates to a cable pipe penetrating sealing structure of a high pressure oxygen system. BACKGROUND

[0002] The high pressure oxygen system is applied to a power system of an underwater device, used as a pure oxygen supply source, adopts a composite cylinder as an oxygen storage container, simultaneously uses the composite cylinder as a structural cabin section of the underwater device, and is connected with front and rear cabin sections through sealing connection structures and realizes sealing, a high pressure resistant metal pipe penetrating the composite cylinder needs to be arranged at the axial middle position of the composite cylinder and is used as a cylinder penetrating channel of a cable.

[0003] However, in the prior art, the connection between the high pressure resistant metal pipe and the composite cylinder has poor sealing performance, and air leakage occurs for a long time, thereby greatly affecting the use of the high pressure oxygen system. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model wants to solve the problem of providing a cable pipe penetrating sealing structure of a high pressure oxygen system.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A cable pipe penetrating sealing structure of a high pressure oxygen system, the cable pipe penetrating includes a pipe part and a cap part arranged at the end side of the pipe part, the pipe part penetrates a composite cylinder and is connected with the inner periphery of the first end bottle mouth and the tail end bottle mouth of the composite cylinder through a sealing element.

[0007] A stepped table is arranged in the tail end bottle mouth of the composite cylinder, the two ends of the cap part are connected with the stepped table and a locking element respectively, and the locking element is detachably connected with the inner periphery of the tail end bottle mouth of the composite cylinder.

[0008] The sealing element is a sealing ring, and the inner periphery of the first end bottle mouth and the tail end bottle mouth is arranged with a corresponding embedding groove.

[0009] The locking element is a threaded compression ring, and the inner periphery of the tail end bottle mouth is arranged with a counter-thread matched with the threaded compression ring.

[0010] A sealing gasket is further arranged between the cap part and the stepped table.

[0011] An annular groove sinking along the axial direction of the composite cylinder is arranged on the first end bottle mouth,

[0012] An axial sealing ring plate is fixedly arranged at the top opening of the annular groove and encloses the annular groove to form an annular flow channel.

[0013] The annular groove is connected with the air inlet and exhaust pipe through a first air passing hole on the side wall and fixedly connected with a flow guide pipe fixed in the composite gas cylinder through a second air passing hole on the bottom.

[0014] The utility model has the advantages and positive effects that:

[0015] The pipe of the cable penetrating pipe passes through the composite gas cylinder and is embedded with the inner periphery of the head bottle mouth and the tail bottle mouth of the composite gas cylinder by the sealing ring sleeved on the outer periphery of the pipe, so as to realize the sealing between the pipe and the head bottle mouth and the tail bottle mouth, the tail bottle mouth of the composite gas cylinder is internally structured with a stepped platform, the two ends of the cap part are tightly connected with the stepped platform and the threaded compression ring, the threaded compression ring is internally threadedly connected with the tail bottle mouth of the composite gas cylinder, and the cap part of the cable penetrating pipe is clamped by the stepped platform and the threaded compression ring, so as to axially limit the cable penetrating pipe, and the cable penetrating pipe can be prevented from being separated from the composite gas cylinder under the premise of ensuring the sealing. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0017] Figure 1 It is a sectional view of the cable penetrating pipe sealing structure of the high-pressure oxygen system of the utility model;

[0018] Figure 2 It is Figure 1 The enlarged view at the head bottle mouth;

[0019] Figure 3 It is Figure 1 The enlarged view at the tail bottle mouth;

[0020] Figure 4 It is a whole structure view of the cable penetrating pipe sealing structure of the high-pressure oxygen system of the utility model;

[0021] In the drawings: the cable penetrating pipe 1, the pipe part 11, the cap part 12, the composite gas cylinder 2, the embedded groove 21, the stepped platform 22, the annular groove 23, the second air passing hole 24, the axial sealing ring plate 25, the flow guide pipe 26, the sealing gasket 31, the threaded compression ring 32, and the sealing ring 33. PREFERRED EMBODIMENT

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] It should be understood that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component, or intervening components can be present. When a component is referred to as being "disposed" on another component, it can be directly disposed on the other component or intervening components can be present. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for purposes of description and illustration only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0025] As shown in Figures 1 to 4 The present application provides a kind of cable pipe penetrating sealing structure of high pressure oxygen system, the transverse section of cable pipe penetrating 1 is T-shaped structure, including pipe portion 11 and the cap portion 12 being configured in the end side of pipe portion 11, pipe portion 11 is through composite gas cylinder 2 and is connected with the inner periphery of the head end bottle mouth and tail end bottle mouth of composite gas cylinder 2 by sealing element and tail end bottle mouth, to realize the sealing between pipe portion 11 and head end bottle mouth and tail end bottle mouth, the tail end bottle mouth of composite gas cylinder 2 is configured with ladder table 22, the both ends of cap portion 12 are connected with ladder table 22 and locking piece, locking piece is detachably connected with the inner periphery of the tail end bottle mouth of composite gas cylinder 2, to play the axial limiting effect of cable pipe penetrating 1 by ladder table 22 and locking piece clamping cap portion 12, it can also avoid cable pipe penetrating 1 from composite gas cylinder 2 under the premise of guaranteeing sealing.

[0026] Specifically, the sealing element is a sealing ring 33, in the process of injecting high pressure oxygen into composite gas cylinder 2, composite gas cylinder 2 can appear slight deformation, and the design of sealing ring 33 can adapt to the deformation amount of composite gas cylinder 2 in the process of pressure charging, to ensure sealing.

[0027] Specifically, the inner periphery of the head end bottle mouth and tail end bottle mouth is configured with a corresponding embedding groove 21, in the embodiment, two groups of embedding grooves 21 are formed on the head end bottle mouth, which are sequentially arranged along the axial direction of cable pipe penetrating 1, to play a double sealing effect, one group of embedding grooves 21 is arranged on the tail end bottle mouth on the inner cavity side of ladder table 22 close to composite gas cylinder 2, after the tight abutment of ladder table 22 and cap portion 12, also plays a double sealing effect.

[0028] Specifically, the locking member is a threaded compression ring 32, and the inner periphery of the tail end bottle nozzle is provided with a reverse thread matched with the threaded compression ring 32, so that the threaded compression ring 32 is connected to the tail end bottle nozzle by screwing.

[0029] Specifically, a sealing gasket 31 is further arranged between the cap portion 12 and the stepped platform 22, so as to ensure the sealing of the joint between the cap portion 12 and the stepped platform 22.

[0030] Specifically, the first end bottle nozzle is provided with an annular groove 23 sunken along the axial direction of the composite gas cylinder 2, and an axial sealing ring plate 25 is fixedly arranged at the top opening of the annular groove 23, so as to form an annular flow channel with the annular groove 23.

[0031] When inflating, the inlet valve is opened, the high-pressure oxygen enters the annular flow channel through the first air passage of the inlet and outlet pipe, and then enters the flow guide pipe 26 through the second air passage 24, and is discharged into the inner cavity of the composite gas cylinder 2 through the flow guide pipe 26.

[0032] When supplying gas, the outlet valve is opened, and the high-pressure oxygen is discharged in sequence through the flow guide pipe 26, the annular flow channel and the inlet and outlet pipe.

[0033] Specifically, the flow guide pipe 26 can be designed as multiple groups, which are uniformly arranged around the cable penetrating pipe 1 in the axial direction. Correspondingly, multiple second air passages 24 are uniformly arranged at the bottom of the annular groove 23 and connected with the flow guide pipe 26, so as to uniformly supply the high-pressure oxygen and reduce the flow rate of the high-pressure oxygen, thereby avoiding rapid temperature rise and high-pressure oxygen directly impacting only one area of the inner wall of the composite gas cylinder 2, and improving the overall safety.

[0034] The working principle and working process of the utility model are as follows:

[0035] When installing the cable penetrating pipe 1, the pipe portion 11 of the cable penetrating pipe 1 is first penetrated through the composite gas cylinder 2 until the cap portion 12 abuts against the stepped platform 22, the sealing ring 33 on the pipe portion 11 is embedded with the embedded groove 21 in the first end bottle nozzle and the tail end bottle nozzle, and then the threaded compression ring 32 is connected with the inner periphery of the tail end bottle nozzle by screwing, so as to realize the tight abutting connection among the threaded compression ring 32, the cap portion 12 and the stepped platform 22, and fix the cable penetrating pipe 1 in the composite gas cylinder 2.

[0036] The above embodiment of the utility model is described in detail, but the content described cannot be considered as limiting the scope of the embodiment of the utility model. Any equivalent change and improvement within the scope of the utility model should still belong to the scope of the patent.

Claims

1. A cable tube seal structure of a hyperbaric oxygen system, characterized by, The cable pipe (1) comprises a pipe part (11) and a cap part (12) arranged at the end side of the pipe part (11), the pipe part (11) penetrates the composite gas cylinder (2) and is connected with the inner periphery of the head end cylinder mouth and the tail end cylinder mouth of the composite gas cylinder (2) through a sealing element; a stepped platform (22) is arranged in the tail end cylinder mouth of the composite gas cylinder (2), the two ends of the cap part (12) are connected with the stepped platform (22) and a locking element, respectively, the locking element is detachably connected with the inner periphery of the tail end cylinder mouth of the composite gas cylinder (2), an annular groove (23) sinking along the axial direction of the composite gas cylinder (2) is arranged on the head end cylinder mouth, an axial sealing ring plate (25) is fixedly arranged at the top opening of the annular groove (23) and encloses the annular groove (23) to form an annular flow channel; the sealing element is a sealing ring (33), the inner periphery of the head end cylinder mouth and the tail end cylinder mouth is arranged with a corresponding embedding groove (21), two groups of the embedding groove (21) are arranged on the head end cylinder mouth and arranged in sequence along the axial direction of the cable pipe (1), thereby achieving double sealing effect, one group of the embedding groove (21) is arranged on the tail end cylinder mouth near the inner cavity side of the composite gas cylinder (2) on the stepped platform (22), and double sealing effect is also achieved after the stepped platform (22) is tightly connected with the cap part (12).

2. The cable feed-through seal for a hyperbaric oxygen system of claim 1, wherein, The locking element is a threaded compression ring (32), and the inner periphery of the tail end cylinder mouth is arranged with a corresponding reverse thread matched with the threaded compression ring (32).

3. The cable feed-through seal for a hyperbaric oxygen system of claim 1, wherein, A sealing gasket (31) is further arranged between the cap part (12) and the stepped platform (22).

4. The cable feed-through seal for a hyperbaric oxygen system of claim 1, wherein, The annular groove (23) is connected with the gas inlet and outlet pipe through a first air hole on the side wall and is fixedly connected with a flow guide pipe (26) fixedly arranged in the composite gas cylinder (2) through a second air hole (24) on the bottom.

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