Metal hose with sealing joint
By adopting a multi-layer connection structure at the metal hose joints, including threaded sleeves, sealing rings and other components, the problem of lack of sealing in existing metal hose joints is solved, and tight connections and stability are achieved, avoiding leakage.
Patent Information
- Application Number
- CN202421943165.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-08-12
AI Technical Summary
Existing metal hoses lack sealing at the joints, resulting in leaking gas or water flow.
It adopts a multi-layer connection structure, including threaded sleeves, sealing rings, sleeves, springs and limiting plates. Through the mating of threaded connections and sealing rings, the gaps at the joints are filled and closed to ensure sealing.
The tight connection and stability of the metal hose connection is achieved, avoiding slippage and leakage, and improving the firmness and sealing effect of the connection.
Smart Images
Figure CN222811387U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of metal hoses, and in particular relates to a metal hose with a sealing joint. Background Art
[0002] Metal hoses are important components in the connection pipelines of modern industrial equipment. Metal hoses are used as wire and cable protection tubes for wires, cables, and automation instrument signals, as well as civilian shower hoses. The specifications range from 3mm to 150mm. Small-diameter metal hoses are mainly used for sensor line protection of precision optical rulers and industrial sensor line protection. Metal hoses need to be sealed during the docking process to prevent internal water or other liquids and gases from leaking out, causing certain impacts.
[0003] The Chinese patent with the authorization announcement number CN216952064U discloses a metal hose, including a metal hose body, the outer surface of the metal hose body is sleeved with an outer steel wire mesh sleeve, the outer surfaces of both ends of the outer steel wire mesh sleeve are hooped with metal joints, both ends of the metal hose body are provided with convex rings, the convex rings at both ends of the metal hose body are buckled with nuts, the inner ends of the metal joints are provided with conical bell mouths, the outer ends of the metal joints are provided with inwardly extending retaining mesh rings, and the inner walls of the metal joints are evenly provided with a plurality of annular grooves. The nut of the utility model is buckled at the two ends of the metal hose body through the cooperation of the buckle platform and the convex ring, so that the metal connection structure at both ends of the metal hose is easy to form, durable, and has a better locking effect. However, the metal hose is only connected to other joints at the joint through a threaded groove, but in such a docking situation, it does not have a certain sealing performance, which may cause leakage of gas or water. Utility Model Content
[0004] In view of the above problems, the purpose of the present utility model is to provide a metal hose with a sealing joint to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the utility model adopts the following technical solution: a metal hose with a sealing joint, comprising a metal hose body, a wire mesh sleeve sleeved on the outside of the metal hose body, and a metal joint arranged at the head of the metal hose body. When connecting two metal hoses, a threaded sleeve matching the other metal joint is connected to the inside of one of the metal joints, a first sealing ring is embedded in the outer wall of the rear end of the threaded sleeve, and a second sealing ring matching the first sealing ring is embedded in the inside of the other metal joint. A sleeve with a groove is provided on the metal joint on which the second sealing ring is provided, a spring is connected to the inside of the sleeve, and the rear end of the spring is connected to a limiting clamping plate. Two fixing blocks for limiting the limiting clamping plate are provided on the metal joint on which the first sealing ring is provided.
[0006] The beneficial effect of the utility model is that through the multi-layer connection structure, when connecting metal hoses, the metal joints in the two metal hoses can be tightly and stably connected together, and the gap between the metal joints and the threaded sleeve can be filled and sealed to prevent the connection of the metal hose from slipping and causing leakage of the pipe body.
[0007] In order to improve the firmness of the metal hose connection:
[0008] As a further improvement of the above technical solution: the threaded sleeve is inserted into the interior of the metal joint to be connected with the metal hose, and is connected to the metal joint through threads.
[0009] The beneficial effect of this improvement is that when two metal hoses are connected, when the threaded sleeve on one metal joint is screwed into the other metal joint, the sleeve is located exactly between the two fixing blocks.
[0010] In order to fill and seal the gap between the metal joint and the threaded sleeve:
[0011] As a further improvement of the above technical solution: the second sealing ring is arranged at one end of the metal joint close to the metal hose body, and when the threaded sleeve is screwed into the metal joint, the first sealing ring fits with the second sealing ring.
[0012] The beneficial effect of this improvement is that the gap between the metal joint and the threaded sleeve can be filled and sealed by the first sealing ring and the second sealing ring to prevent water leakage at the connection of the metal hose.
[0013] In order to further improve the tightness of the connection between the two metal hoses:
[0014] As a further improvement of the above technical solution: the length of the limiting clamping plate is greater than the diameter of the groove, and the two fixing blocks are symmetrically distributed at both ends of the limiting clamping plate and are used to limit the two ends of the limiting clamping plate.
[0015] The beneficial effect of this improvement is: by stretching the spring, the limit clamp is driven to be clamped into the back side of the two fixed blocks, and the two ends of the limit clamp are respectively located in the middle of the two fixed blocks, so as to further improve the tightness of the connection between the two metal hoses, so that the first sealing ring and the second sealing ring are not disconnected.
[0016] In order to further improve the firmness of the connection between the two metal joints:
[0017] As a further improvement of the above technical solution: a connecting plate is provided on each side of the two metal joints close to each other, and two adjacent connecting plates are connected by fastening bolts.
[0018] The beneficial effect of this improvement is that with the cooperation of the limiting clamping plate and the fixing block, the firmness of the connection between the two metal joints can be further improved, and at the same time, it can also play a substitute role when the spring loses its function.
[0019] In order to improve the stability of the connection between two adjacent metal joints:
[0020] As a further improvement of the above technical solution: the number of the sleeves, springs and limit clamps are set to two groups, which are symmetrically arranged at the top and bottom of the metal joint respectively.
[0021] The beneficial effect of this improvement is that it can improve the stability of the connection between two adjacent metal joints, so that the upper part and the bottom part of the metal joint are tightly connected. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional structural schematic diagram of two adjacent metal hoses in the utility model in a connected state;
[0023] Figure 2 It is a side cross-sectional structural schematic diagram of two adjacent metal hoses in the connected state of the utility model;
[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of two adjacent metal hoses in the utility model in a connected state;
[0025] Figure 4 It is a structural schematic diagram of two adjacent metal hoses in the utility model in a connected state and a separated state.
[0026] In the figure: 1. Metal hose body; 2. Wire mesh sleeve; 3. Metal joint; 4. Threaded sleeve; 5. First sealing ring; 6. Second sealing ring; 7. Groove; 8. Sleeve; 9. Spring; 10. Limiting clamp; 11. Fixing block; 12. Connecting plate; 13. Fastening bolts. DETAILED DESCRIPTION
[0027] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0028] like Figure 1-4As shown, a metal hose with a sealing joint comprises a metal hose body 1, a wire mesh sleeve 2 sleeved on the outside of the metal hose body 1, and a metal joint 3 arranged at the head of the metal hose body 1. When connecting two metal hoses, a threaded sleeve 4 adapted to the other metal joint 3 is connected to the inside of one of the metal joints 3, a first sealing ring 5 is embedded in the outer wall of the tail end of the threaded sleeve 4, and a second sealing ring 6 adapted to the first sealing ring 5 is embedded in the inside of the other metal joint 3. A sleeve 8 with a groove 7 is provided on the metal joint 3 provided with the second sealing ring 6, a spring 9 is connected to the inside of the sleeve 8, and a limit clamping plate 10 is connected to the tail end of the spring 9. The first Two fixing blocks 11 for limiting the limiting card plate 10 are arranged on the metal joint 3 of the sealing ring 5. Through the multi-layer connection structure, when connecting the metal hoses, the metal joints 3 in the two metal hoses can be tightly and stably connected together, and the gap between the metal joint 3 and the threaded sleeve 4 can be filled and blocked to prevent the connection of the metal hose from slipping and causing leakage of the pipe body. The threaded sleeve 4 is inserted into the metal joint 3 of the metal hose to be connected and is connected to the metal joint 3 by threads. When connecting the two metal hoses, when the threaded sleeve 4 on one of the metal joints 3 is screwed into the other metal joint 3, the sleeve 8 is just located between the two fixing blocks 11. The second sealing ring 6 is arranged at one end of the metal joint 3 close to the metal hose body 1. When the threaded sleeve 4 is screwed into the metal joint 3, the first sealing ring 5 fits with the second sealing ring 6. The first sealing ring 5 and the second sealing ring 6 can fill and seal the gap between the metal joint 3 and the threaded sleeve 4 to prevent water leakage at the connection of the metal hose. The length of the limiting card plate 10 is greater than the diameter of the groove 7. The two fixing blocks 11 are symmetrically distributed at both ends of the limiting card plate 10 and are used to limit the two ends of the limiting card plate 10. By stretching the spring 9, the limiting card plate 10 is driven to be inserted into the back side of the two fixing blocks 11, and the two ends of the limiting card plate 10 are respectively located at the two fixing blocks 11. In the middle part, in order to further improve the tightness of the connection between the two metal hoses, so that the first sealing ring 5 and the second sealing ring 6 are not disconnected, a connecting plate 12 is provided on the side where the two metal joints 3 are close to each other, and the two adjacent connecting plates 12 are connected by fastening bolts 13. With the cooperation of the limiting clamp 10 and the fixing block 11, the firmness of the connection between the two metal joints 3 can be further improved. At the same time, it can also play a substitute role when the spring 9 loses its function. The number of the sleeve 8, spring 9 and limiting clamp 10 are set to two groups, which are symmetrically arranged at the top and bottom of the metal joint 3 respectively, which can improve the stability of the connection between the two adjacent metal joints 3, so that the upper and bottom of the metal joint 3 are tightly connected.
[0029] The working principle and use process of the utility model are as follows: when connecting two metal hoses, when the threaded sleeve 4 on one of the metal joints 3 is screwed into the other metal joint 3, the first sealing ring 5 fits with the second sealing ring 6, and the gap between the metal joint 3 and the threaded sleeve 4 is filled and sealed to prevent water leakage at the connection of the metal hose. At this time, the sleeve 8 is just located between the two fixing blocks 11, and the limiting clamping plate 10 is driven to be clamped into the back sides of the two fixing blocks 11 by stretching the spring 9, and the two ends of the limiting clamping plate 10 are respectively located in the middle of the two fixing blocks 11, so as to further improve the tightness of the connection between the two metal hoses, so that the first sealing ring 5 and the second sealing ring 6 are not disjointed, and then the two connecting plates 12 are fixed together by the fastening bolts 13, and the two metal joints 3 are fixed again, which can further improve the firmness of the connection between the two metal joints 3, and can also play a substitute role when the spring 9 loses its function.
[0030] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0031] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A metal hose with a sealing joint, comprising a metal hose body (1), a steel wire mesh sleeve (2) sleeved on the outside of the metal hose body (1), and a metal joint (3) arranged at the head of the metal hose body (1), characterized in that: When two metal hoses are connected, a threaded sleeve (4) matched with the other metal joint (3) is connected inside one of the metal joints (3), a first sealing ring (5) is embedded in the outer wall of the rear end of the threaded sleeve (4), a second sealing ring (6) matched with the first sealing ring (5) is embedded inside the other metal joint (3), a sleeve (8) with a groove (7) is provided on the metal joint (3) provided with the second sealing ring (6), a spring (9) is connected inside the sleeve (8), a limit clamping plate (10) is connected at the rear end of the spring (9), and two fixing blocks (11) for limiting the limit clamping plate (10) are provided on the metal joint (3) provided with the first sealing ring (5).
2. A metal hose with a sealing joint according to claim 1, characterized in that: The threaded sleeve (4) is inserted into the interior of the metal joint (3) to be connected to the metal hose, and is connected to the metal joint (3) through threads.
3. The metal hose with a sealing joint according to claim 1, characterized in that: The second sealing ring (6) is arranged at one end of the metal joint (3) close to the metal hose body (1); when the threaded sleeve (4) is screwed into the metal joint (3), the first sealing ring (5) and the second sealing ring (6) fit together.
4. The metal hose with a sealing joint according to claim 1, characterized in that: The length of the limiting clamping plate (10) is greater than the diameter of the groove (7), and the two fixing blocks (11) are symmetrically distributed at two ends of the limiting clamping plate (10) and are used to limit the two ends of the limiting clamping plate (10).
5. The metal hose with a sealing joint according to claim 1, characterized in that: A connecting plate (12) is provided on the side of the two metal joints (3) close to each other, and two adjacent connecting plates (12) are connected by fastening bolts (13).
6. The metal hose with a sealing joint according to claim 1, characterized in that: The sleeve (8), spring (9) and limit clamping plate (10) are arranged in two groups, which are symmetrically arranged at the top and bottom of the metal joint (3).