High-pressure-resistant flexible metal hose

Abstract

The utility model discloses a flexible metal hose with high pressure resistance, which relates to the field of metal hoses and comprises an end joint, a corrugated pipe is arranged on one side of the end joint, a spring is attached to the outer wall of the corrugated pipe, a metal net sleeve is attached to the outer wall of the spring, a first sealing ring is adhered to the inner wall of the end joint, and a second sealing ring is adhered to the inner wall of the end joint. And a second sealing ring is adhered to the inner wall of the end joint. The corrugated pipe is arranged to clamp and fix the spring, when the device is used, the corrugated pipe and the spring are arranged to facilitate high pressure resistance of the device and support the device, the practicability of the device is improved, the end connector is arranged to tightly fit the first sealing ring, and when the device is used, the first sealing ring is tightly attached to the second sealing ring. And by arranging a first sealing ring and a second sealing ring, multiple extrusion sealing can be conveniently conducted on the connecting pipe, double sealing protection is achieved on the device, liquid leakage is prevented, and the sealing performance of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal hose, concretely to a high-pressure-resistant flexible metal hose. BACKGROUND

[0002] The high-pressure-resistant flexible metal hose is an important pipeline component for conveying liquid, gas or solid particles, and is widely used in the fields of petrochemical industry, aerospace, shipbuilding, power equipment and the like, and therefore a high-pressure-resistant flexible metal hose is needed.

[0003] The existing patent document with the technical announcement number CN222437358U provides a metal hose with a compensation function, which comprises a metal hose body and a pipe joint, a plurality of compensation rings are arranged on the metal hose body, a pipe joint is arranged at the end of the metal hose body through a threaded fixing mode, and a pipe joint is arranged at the end of the pipe joint. The utility model discloses that the outer side of the metal hose body is provided with a whole compensation ring, the metal hose body can be compensated by thermal expansion through the compensation ring, the protection ability of the metal hose body can be improved, the protection toughness thereof is increased, cracking can be prevented, and the service life of the metal hose is increased. The metal hose body is provided with a mounting head at the port of the two ends, a threaded hole is arranged in the middle of the mounting head, and a pipe joint is arranged at the end of the pipe joint. However, the CN222437358U technology is inconvenient for high-pressure-resistant operation of the device and inconvenient for multiple sealing of the device. Therefore, a high-pressure-resistant flexible metal hose is urgently needed. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a high-pressure-resistant flexible metal hose to solve the problems of inconvenience in high-pressure-resistant operation of the device and inconvenience in multiple sealing of the device during use of the existing high-pressure-resistant flexible metal hose.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-pressure-resistant flexible metal hose, which comprises an end joint, one side of the end joint is provided with a bellows, the outer wall of the bellows is attached with a spring, and the outer wall of the spring is attached with a metal mesh sleeve.

[0006] The inner wall of the end joint is attached with a first sealing ring, the inner wall of the end joint is attached with a second sealing ring, and one side of the end joint is fixedly connected with a connecting pipe.

[0007] Preferably, the end joint is arranged in parallel with the bellows, and the inner wall of the end joint is designed in a slotted manner.

[0008] Preferably, the bellows is engaged with the spring, and the bellows is arranged in parallel with the spring.

[0009] Preferably, the inner wall of the end joint is tightly fitted with the outer wall of the first sealing ring, and the diameter of the inner wall of the end joint is greater than the diameter of the outer wall of the first sealing ring.

[0010] Preferably, the inner wall of the end joint is tightly fitted with the outer wall of the second sealing ring, and the diameter of the inner wall of the end joint is greater than the diameter of the outer wall of the second sealing ring.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 the utility model discloses a bellows is set up to the spring plays the fixed effect of engagement, when using the device, the setting of bellows and spring is convenient for the high pressure resistance of device, plays the supporting effect to device, increases the practicality of device.

[0013] 2、 the utility model discloses the end joint is set up to the first sealing ring plays the close effect, when using the device, the setting of first sealing ring and second sealing ring is convenient for the multiple extrusion sealing of connecting pipe, plays the double -sealed protection to device, prevents the leakage, increases the sealing property of device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the external view of the utility model's elevation view;

[0015] Figure 2 It is the structure schematic diagram of the utility model's elevation view;

[0016] Figure 3 It is the structure schematic diagram of the utility model's end joint and connecting pipe parts combination;

[0017] Figure 4 It is the structure schematic diagram of the utility model's end joint and bellows parts combination.

[0018] In the drawing: 1, end joint;2, bellows;3, spring;4, metal mesh cover;5, first sealing ring;6, second sealing ring;7, connecting pipe. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0020] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a high pressure -resistant flexible metal hose, including end joint 1, one side of end joint 1 is provided with bellow 2, end joint 1 is provided with bellow 2 in parallel, and the inner wall of end joint 1 is the slotted design, the outer wall of bellow 2 is attached with spring 3, bellow 2 is connected with spring 3, and bellow 2 is provided with spring 3 in parallel, the outer wall of spring 3 is attached with metal mesh cover 4, and bellow 2 is set up to spring 3 play the fixed effect of clamping, when using the device, the setting of bellow 2 and spring 3 is convenient for the high pressure -resistant of device, plays the supporting effect to device, increases the practicability of device.

[0022] Please refer to Figures 1-4 The utility model provides a high pressure -resistant flexible metal hose, the inner wall of end joint 1 is attached with first sealing ring 5, the inner wall of end joint 1 is tightly attached with the outer wall of first sealing ring 5, and the diameter of the inner wall of end joint 1 is greater than the diameter of the outer wall of first sealing ring 5, the inner wall of end joint 1 is attached with second sealing ring 6, the inner wall of end joint 1 is tightly attached with the outer wall of second sealing ring 6, and the diameter of the inner wall of end joint 1 is greater than the diameter of the outer wall of second sealing ring 6, one side of end joint 1 is fixedly connected with connecting pipe 7, and first sealing ring 5 is tightly attached by setting end joint 1, when using the device, the setting of first sealing ring 5 and second sealing ring 6 is convenient for the multiple extrusion sealing of connecting pipe 7, plays the double -sealed protection to device, prevents the liquid leakage, increases the sealing property of device.

[0023] Working principle: when using, the device is taken out and placed in the designated position, then bellow 2 is clamped and fixed to spring 3, then metal mesh cover 4 is wrapped to spring 3, then first sealing ring 5 is bonded to end joint 1, then end joint 1 is bonded to second sealing ring 6, finally connecting pipe 7 is threadedly fixed to end joint 1, first sealing ring 5 and second sealing ring 6 are extruded, and end joint 1 is multiple sealed, so that the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0024] Although the utility model has carried out the detailed explanation to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-pressure-resistant flexible metal hose comprising an end fitting (1), characterized in that: One side of the end joint (1) is provided with a corrugated pipe (2), the outer wall of the corrugated pipe (2) is matched with a spring (3), the outer wall of the spring (3) is matched with a metal mesh sleeve (4); The inner wall of the end joint (1) is bonded with a first sealing ring (5), the inner wall of the end joint (1) is bonded with a second sealing ring (6), one side of the end joint (1) is fixedly connected with a connecting pipe (7).

2. The high pressure flexible metal hose according to claim 1, characterized in that: The end joint (1) is arranged in parallel with the corrugated pipe (2), and the inner wall of the end joint (1) is designed as a slotted type.

3. The high pressure flexible metal hose according to claim 1, wherein: The corrugated pipe (2) is connected with the spring (3) in a clamping manner, and the corrugated pipe (2) is arranged in parallel with the spring (3).

4. The high pressure flexible metal hose according to claim 1, wherein: The inner wall of the end joint (1) is tightly matched with the outer wall of the first sealing ring (5), and the inner wall diameter of the end joint (1) is greater than the outer wall diameter of the first sealing ring (5).

5. The high pressure flexible metal hose of claim 1, wherein: The inner wall of the end joint (1) is tightly matched with the outer wall of the second sealing ring (6), and the inner wall diameter of the end joint (1) is greater than the outer wall diameter of the second sealing ring (6).

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