High-temperature-resistant and high-pressure-resistant damping flexible joint of fluororubber hose
By designing a metal sheet reinforcement structure in the fluoroelastic hose joint and setting the limit floating of the shock absorber, the problem of poor pressure resistance of the joint in high temperature and high pressure and vibration environments is solved, and the impact and vibration resistance of the joint is improved.
Patent Information
- Application Number
- CN202420415853.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-05
AI Technical Summary
The joints of fluoroelastic hose have poor compressive performance in high-temperature and high-pressure environments, which are prone to deformation due to high-strength impacts, and are prone to loosening in vibrating environments, affecting the stability of the connection.
A soft joint with high temperature and high pressure shock absorption including a connecting joint and a mounting flange is designed. By setting a metal sheet between the joint body and the protective sleeve, structural strength and thermal insulation performance are increased, and reduction between the mounting flange is set. The shock members are limited and floating to improve the impact and vibration resistance of the joints.
The high temperature and high pressure resistance and structural strength of the fluoroelastic hose joint are improved, and deformation caused by high-strength impact is prevented. The vibration resistance and stability of the joint are enhanced through the design of shock absorbers and springs.
Smart Images
Figure CN222458770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hose joints, in particular to a high-temperature and high-pressure resistant shock-absorbing soft joint of a fluororubber hose. Background Art
[0002] Hoses are important components in modern industry, and fluororubber refers to a synthetic polymer elastomer containing fluorine atoms on the carbon atoms of the main chain or side chain. Fluororubber has the characteristics of high temperature resistance, oil resistance and resistance to corrosion by various chemicals. Hoses made of fluororubber are a more common type of hose.
[0003] At present, fluororubber hoses are generally connected through soft joints, but the joints have poor resistance to high temperature and high pressure during use, and are prone to deformation when subjected to high-intensity impact. At the same time, the hoses are easily affected by the environment and vibrate during use, causing the joints to loosen and affecting the stability of the connection. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a high-temperature and high-pressure resistant shock-absorbing flexible joint for a fluororubber hose, which solves the problems that the joint has poor high-temperature and high-pressure resistance during use and is easily deformed when subjected to high-intensity impact. At the same time, the hose is easily affected by the environment during use and vibrates, causing the joint to loosen, affecting the connection stability.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose, comprising a connecting joint and a mounting flange, the left and right ends of the connecting joint are both provided with mounting flanges, and a shock absorbing member is provided between the two mounting flanges;
[0006] The connecting joint is composed of a joint body and a protective cover. The left end of the joint body is provided with an interface 1, the right end of the joint body is provided with an interface 2, and the middle part of the joint body is a bulge toward the periphery.
[0007] Preferably, the shock absorbers are distributed in a circular array and consist of a fixed rod and a movable sleeve. Two fixed rods are symmetrically arranged on the left and right sides of the movable sleeve. One end of the fixed rod is sleeved with the movable sleeve, and the other end of the fixed rod is fixedly connected to the mounting flange.
[0008] Preferably, springs are provided at both left and right ends of the inner side of the movable sleeve, one end of the spring is fixedly connected to the movable sleeve, and the other end of the spring is fixedly connected to the fixing rod.
[0009] Preferably, the joint body is made of soft rubber material, a heat insulation cavity is provided on the joint body, and the heat insulation cavity is filled with heat insulation cotton.
[0010] Preferably, the protective cover is made of hydrogenated nitrile rubber, and a steel wire reinforcement layer is provided inside the protective cover.
[0011] Preferably, metal sheets are provided between the joint body and the protective sleeve, and the metal sheets are distributed in a ring array. Beneficial Effects
[0012] The utility model provides a high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose. Compared with the prior art, it has the following beneficial effects:
[0013] The high temperature and high pressure resistant shock absorbing flexible joint of the fluororubber hose is provided with a protective cover, a metal sheet and a shock absorbing component. The joint body is wrapped with the protective cover to achieve protection, thereby increasing the structural strength. A heat insulating material is provided in the heat insulating cavity, thereby increasing the high temperature and high pressure resistance of the flexible joint. A metal sheet is provided between the two mounting flanges, thereby increasing the strength of the joint and preventing deformation during high-intensity impact. The shock absorbing component is used to limit the position between the two mounting flanges, thereby facilitating loosening of the connection of the flexible joint when impacted. The spring connection allows the shock absorbing component to have a certain floating space, thereby facilitating the movement of the flexible joint and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model.
[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the shock absorbing component of the utility model.
[0017] In the figure: 1. connecting joint; 11. joint body; 111. heat insulation chamber; 12. protective cover; 13. interface 1; 14. interface 2; 15. metal sheet; 2. mounting flange; 3. shock absorbing part; 31. fixing rod; 32. movable sleeve; 33. spring. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3The utility model provides a technical solution: a high temperature and high pressure resistant shock-absorbing flexible joint of a fluororubber hose, comprising a connecting joint 1 and a mounting flange 2, wherein the left and right ends of the connecting joint 1 are provided with mounting flanges 2, and a shock-absorbing member 3 is arranged between the two mounting flanges 2, and the shock-absorbing member 3 is distributed in a ring array. The shock-absorbing member 3 is composed of a fixing rod 31 and a movable sleeve 32, and two fixing rods 31 are symmetrically arranged on the left and right sides of the movable sleeve 32, and one end of the fixing rod 31 is sleeved with the movable sleeve 32, and the other end of the fixing rod 31 is fixedly connected to the mounting flange 2. A spring 33 is arranged on the left and right ends of the inner side of the movable sleeve 32, and one end of the spring 33 is fixedly connected to the movable sleeve 32, and the other end of the spring 33 is fixedly connected to the fixing rod 31. The shock-absorbing member 3 is used to limit the position between the two mounting flanges 2, so that the connection of the flexible joint is convenient when the flexible joint is impacted and the connection is loosened, and the connection of the spring 33 makes the shock-absorbing member 3 have a certain floating space, which is convenient for the activity of the flexible joint and improves the practicality.
[0020] The connecting joint 1 consists of a joint body 11 and a protective cover 12. The joint body 11 is made of soft rubber. An insulating cavity 111 is arranged on the joint body 11, and the insulating cavity 111 is filled with insulating cotton. An interface 13 is arranged at the left end of the joint body 11, and an interface 2 14 is arranged at the right end of the joint body 11. The middle part of the joint body 11 is a bulge toward the periphery. The protective cover 12 is made of hydrogenated nitrile rubber, and a steel wire reinforcement layer is arranged inside the protective cover 12. A metal sheet 15 is arranged between the joint body 11 and the protective cover 12. The metal sheets 15 are distributed in a ring array. The joint body 11 is wrapped by the protective cover 12 for protection, which increases the structural strength. Insulating material is arranged in the insulating cavity 111, thereby increasing the high temperature and high pressure resistance of the flexible joint. The metal material of the metal sheet 15 increases the strength of the flexible joint to prevent deformation during high-intensity impact.
[0021] During operation, the connection of the flexible joint is facilitated by two mounting flanges 2, so that interface 1 13 and interface 2 14 are respectively connected to the connecting hose, and the shock absorber 3 is used to limit the position between the two mounting flanges 2, so that the connection of the flexible joint is loosened when the flexible joint is impacted. The connection of the spring 33 allows the shock absorber 3 to have a certain floating space, which facilitates the movement of the flexible joint and improves the practicality. At the same time, the joint body 11 is wrapped by the protective cover 12 for protection, which increases the structural strength, and the heat-insulating material is arranged in the heat-insulating cavity 111, so as to increase the high temperature and high pressure resistance of the flexible joint. The metal material of the metal sheet 15 increases the strength of the flexible joint to prevent deformation during high-intensity impact.
[0022] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A high temperature and high pressure resistant shock absorbing flexible joint for a fluororubber hose, comprising a connecting joint (1) and a mounting flange (2), characterized in that: The left and right ends of the connection joint (1) are both provided with mounting flanges (2), and a shock absorbing member (3) is provided between the two mounting flanges (2); The connecting joint (1) is composed of a joint body (11) and a protective sleeve (12); a first interface (13) is provided at the left end of the joint body (11); a second interface (14) is provided at the right end of the joint body (11); and the middle portion of the joint body (11) is a protruding portion toward the periphery.
2. The high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose according to claim 1, characterized in that: The shock absorbing components (3) are distributed in a ring array, and are composed of a fixed rod (31) and a movable sleeve (32). Two fixed rods (31) are symmetrically arranged on the left and right sides of the movable sleeve (32), one end of the fixed rod (31) is sleeved with the movable sleeve (32), and the other end of the fixed rod (31) is fixedly connected to the mounting flange (2).
3. The high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose according to claim 2, characterized in that: Springs (33) are provided at both left and right ends of the inner side of the movable sleeve (32); one end of the spring (33) is fixedly connected to the movable sleeve (32), and the other end of the spring (33) is fixedly connected to the fixed rod (31).
4. The high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose according to claim 1, characterized in that: The joint body (11) is made of soft rubber material, a heat insulation cavity (111) is provided on the joint body (11), and the heat insulation cavity (111) is filled with heat insulation cotton.
5. The high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose according to claim 1, characterized in that: The protective sleeve (12) is made of hydrogenated nitrile rubber, and a steel wire reinforcement layer is provided inside the protective sleeve (12).
6. The high temperature and high pressure resistant shock absorbing flexible joint of a fluororubber hose according to claim 1, characterized in that: A metal sheet (15) is arranged between the joint body (11) and the protective sleeve (12), and the metal sheets (15) are distributed in a ring array.