Rubber lining low-evapotranspiration female joint

Abstract

The utility model discloses a low evapotranspiration female joint with a rubber lining, which belongs to the technical field of joints and is characterized by comprising a stainless steel lining core and a common plastic shell, the stainless steel lining core is sleeved on the inner wall of the common plastic shell, and special rubber materials are arranged on the inner wall of the common plastic shell. The side, close to the special rubber material, of the stainless steel lining core makes contact with the special rubber material, a spacer ring is clamped to the inner wall of the common plastic shell, and the problems that when an existing rubber lining low-evapotranspiration female connector is used, the evapotranspiration problem caused by contact between a medium and the shell is inconvenient to solve, the property of the medium is changed, and the service life of the medium is prolonged are solved. The problems that in the prior art, the use effect and the product quality are affected, meanwhile, the sealing structure and the connection stability are poor, the strict requirements for sealing and pulling-out force under specific working conditions are difficult to meet, the conditions of leakage, connection loosening and the like possibly occur in practical application, and the reliability and the safety of equipment operation are reduced are solved.

Description

Technical Field

[0001] This utility model relates to the field of joint technology, and in particular to a rubber-lined low-evaporation female joint. Background Technology

[0002] Rubber-lined low-evaporation female connectors are fittings with an internal rubber lining that reduces media evaporation and use a female-type structure for connection. They are commonly used in various systems that require pipeline connections and have requirements for sealing, corrosion resistance, and low evaporation, such as fluid transportation systems in the chemical, pharmaceutical, food and beverage, and environmental protection industries.

[0003] When the length of the rubber joint is short and compensation needs to be provided in a specific direction, the material overlap and stress concentration at the bend are more likely to cause the joint to fail prematurely. This is especially evident in dynamic load or vibration environments, which limits the service life and reliability of the joint.

[0004] An existing patent (publication number: CN222186147U) discloses a rubber joint, including a first interface and a second interface, with a corrugated section between the first interface and the second interface, and the first interface and the second interface are connected through the corrugated section. The corrugated section includes a first expansion joint, a second expansion joint, and a third expansion joint that expand in diameter sequentially from the first interface to the second interface. The first expansion joint, the second expansion joint, and the third expansion joint are fixedly connected at the same position on their circumferential edges. The rubber joint designed in this utility model, through the use of fixedly connected expansion joints in its structural design, effectively reduces the stress concentration caused by the overlap of materials in a single expansion joint, thereby enhancing the overall stability and durability of the structure. It eliminates the weak link at the joint bend, significantly improves the performance of the rubber joint in dynamic load or vibration environments, and extends its service life.

[0005] To address the aforementioned issues, existing patents offer solutions. However, existing rubber-lined low-evaporation female connectors often fail to effectively address evaporation problems caused by the contact between the medium and the outer shell, leading to changes in the medium's properties and impacting performance and product quality. Furthermore, their sealing structure and connection stability are suboptimal, making it difficult to meet the stringent requirements for sealing and pull-out force under specific operating conditions. In practical applications, this can result in leaks, loose connections, and reduced reliability and safety of the equipment.

[0006] To address this, a rubber-lined low-evaporation female connector is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide a rubber-lined low-evaporation female connector, which can solve the problem that existing rubber-lined low-evaporation female connectors are mostly inconvenient to solve the evaporation problem caused by the contact between the medium and the shell during use, resulting in changes in the properties of the medium, affecting the performance and product quality. At the same time, the sealing structure and connection stability are not good, making it difficult to meet the strict requirements for sealing and pull-out force under specific working conditions. In practical applications, leakage, loose connection and other situations may occur, reducing the reliability and safety of equipment operation.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a rubber-lined low-evaporation female connector, comprising a stainless steel core and an ordinary plastic shell, wherein the stainless steel core is sleeved on the inner wall of the ordinary plastic shell, the inner wall of the ordinary plastic shell is provided with a special rubber material, the side of the stainless steel core closest to the special rubber material is in contact with the special rubber material, and a spacer ring is snapped into the inner wall of the ordinary plastic shell.

[0009] Preferably, a first sealing ring is provided on the left side of the spacer ring, and the surface of the first sealing ring is engaged with the inner wall of the ordinary plastic shell.

[0010] Preferably, a second sealing ring is provided on the right side of the spacer ring, and the surface of the second sealing ring is engaged with the inner wall of the ordinary plastic shell.

[0011] Preferably, a pressure ring is provided on the right side of the second sealing ring, and the surface of the pressure ring is engaged with the inner wall of the ordinary plastic shell.

[0012] Preferably, the inner wall of the ordinary plastic shell is provided with a locking spring, and the surface of the ordinary plastic shell is provided with anti-slip ribs.

[0013] Preferably, both the first sealing ring and the second sealing ring are made of rubber.

[0014] Preferably, the inner wall of the ordinary plastic shell is provided with a first sealing groove for use with the first sealing ring, and the inner wall of the ordinary plastic shell is provided with a second sealing groove for use with the second sealing ring.

[0015] Preferably, the inner wall of the ordinary plastic shell is provided with a slot for use with the spacer ring.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This application, by setting a stainless steel liner and a regular plastic shell, with the stainless steel liner fitted inside the regular plastic shell and combined with the special rubber material of the inner wall, effectively isolates the medium from direct contact with the plastic shell due to its low evaporation characteristics, greatly reducing the occurrence of evaporation, ensuring the stability and purity of the medium, enhancing sealing performance and structural stability, and setting anti-slip ribs at the connection pipe end to ensure reliable pull-out force between the hose and the joint, significantly improving the working performance and reliability of the joint in environments with high medium evaporation requirements. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the rubber-lined low-evaporation female connector of this utility model.

[0019] Figure 2 This is a front view of the ordinary plastic casing of this utility model;

[0020] Figure 3 This is a top view of the ordinary plastic shell of this utility model;

[0021] Figure 4 This is a side view of the stainless steel liner of this utility model;

[0022] Figure 5 This is a cross-sectional view of the ordinary plastic shell of this utility model;

[0023] Figure 6 This is a cross-sectional view of the pressure ring of this utility model.

[0024] In the diagram, 1. Stainless steel liner; 2. Ordinary plastic shell; 3. Special rubber material; 4. First sealing ring; 5. Spacer ring; 6. Pressure ring; 7. Locking spring; 8. Second sealing ring; 9. First sealing groove; 10. Second sealing groove; 11. Slot; 12. Anti-slip rib. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 The present invention provides the following technical solution:

[0027] A rubber-lined low-evaporation female connector includes a stainless steel core 1 and a common plastic shell 2. The stainless steel core 1 is fitted inside the common plastic shell 2. The inner wall of the common plastic shell 2 is provided with a special rubber material 3. The side of the stainless steel core 1 closest to the special rubber material 3 is in contact with the special rubber material 3. A spacer ring 5 is snapped into the inner wall of the common plastic shell 2.

[0028] In this embodiment: by setting a stainless steel liner 1 and an ordinary plastic shell 2, the stainless steel liner 1 is fitted inside the ordinary plastic shell 2. With the special rubber material 3 of the inner wall, the medium can be effectively isolated from direct contact with the plastic shell due to its low evaporation characteristics, which greatly reduces the occurrence of evaporation, ensures the stability and purity of the medium, enhances the sealing performance and structural stability, and the anti-slip rib 12 at the end of the connecting pipe ensures reliable pull-out force between the hose and the joint. Overall, the working performance and reliability of the joint in the environment with high medium evaporation requirements are significantly improved.

[0029] Specifically, such as Figure 5 As shown, a first sealing ring 4 is provided on the left side of the spacer ring 5, and the surface of the first sealing ring 4 is engaged with the inner wall of the ordinary plastic shell 2.

[0030] Specifically, such as Figure 5 As shown, a second sealing ring 8 is provided on the right side of the spacer ring 5, and the surface of the second sealing ring 8 is engaged with the inner wall of the ordinary plastic shell 2.

[0031] Specifically, such as Figure 5 As shown, a pressure ring 6 is provided on the right side of the second sealing ring 8, and the surface of the pressure ring 6 is engaged with the inner wall of the ordinary plastic shell 2.

[0032] In this embodiment, a first sealing ring 4 and a second sealing ring 8 are respectively provided on both sides of the spacer ring 5 and are engaged with the inner wall of the ordinary plastic shell 2. Together with the right pressure ring 6, which is engaged with the inner wall of the ordinary plastic shell 2, a multi-seal structure is formed, which greatly improves the sealing performance of the joint and effectively prevents media leakage. At the same time, the pressure ring 6 can apply stable pressure to the sealing rings and spacer ring 5 and other components, further stabilizing the internal structure of the joint and ensuring that the joint operates stably under complex working conditions.

[0033] Specifically, such as Figure 3 , Figure 5 As shown, the inner wall of the ordinary plastic shell 2 is provided with a locking spring 7, and the surface of the ordinary plastic shell 2 is provided with anti-slip ribs 12.

[0034] Specifically, such as Figure 5 As shown, both the first sealing ring 4 and the second sealing ring 8 are made of rubber.

[0035] In this embodiment: the locking spring 7 installed on the inner wall of the ordinary plastic shell 2 can effectively prevent the connector from accidentally coming off and ensure the reliability of the connection. The anti-slip ribs 12 installed on the surface increase the friction between the connector and the hose, further ensuring the pull-out force between the hose and the connector. The first sealing ring 4 and the second sealing ring 8 are made of rubber. By utilizing the good elasticity and sealing properties of rubber, they can better adapt to different working environments and optimize the sealing effect.

[0036] Specifically, such as Figure 6 As shown, the inner wall of the ordinary plastic shell 2 is provided with a first sealing groove 9 that cooperates with the first sealing ring 4, and the inner wall of the ordinary plastic shell 2 is provided with a second sealing groove 10 that cooperates with the second sealing ring 8.

[0037] Specifically, such as Figure 6 As shown, the inner wall of the ordinary plastic shell 2 is provided with a slot 11 that is used in conjunction with the spacer ring 5.

[0038] In this embodiment: the inner wall of the ordinary plastic shell 2 is provided with a first sealing groove 9 and a second sealing groove 10 that cooperate with the first sealing ring 4 and the second sealing ring 8, which can accurately position the first sealing ring 4 and the second sealing ring 8, so that they are not easily displaced during operation and fully exert the sealing function. The groove 11 that cooperates with the spacer ring 5 can firmly lock the spacer ring 5, enhance the stability of the spacer ring 5 inside the joint, and further improve the overall structural stability of the joint.

[0039] Working principle: In the process of using stainless steel liner 1 and ordinary plastic shell 2, by setting stainless steel liner 1 and ordinary plastic shell 2, stainless steel liner 1 is fitted inside the ordinary plastic shell 2. With the special rubber material 3 of the inner wall, due to its low evaporation characteristics, it can effectively isolate the medium from direct contact with the plastic shell, greatly reduce the occurrence of evaporation, ensure the stability and purity of the medium, enhance the sealing performance and structural stability, and the anti-slip rib 12 at the connection pipe end ensures reliable pull-out force between the hose and the joint. Overall, it significantly improves the working performance and reliability of the joint in environments with high medium evaporation requirements.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rubber-lined low-evaporation female connector, comprising a stainless steel liner (1) and a common plastic shell (2), characterized in that: The stainless steel liner (1) is fitted on the inner wall of the ordinary plastic shell (2). The inner wall of the ordinary plastic shell (2) is provided with a special rubber material (3). The side of the stainless steel liner (1) close to the special rubber material (3) is in contact with the special rubber material (3). The inner wall of the ordinary plastic shell (2) is fitted with a spacer ring (5).

2. The low-evaporation female connector with rubber lining according to claim 1, characterized in that: A first sealing ring (4) is provided on the left side of the spacer ring (5), and the surface of the first sealing ring (4) is engaged with the inner wall of the ordinary plastic shell (2).

3. The low-evaporation female connector with rubber lining according to claim 2, characterized in that: A second sealing ring (8) is provided on the right side of the spacer (5), and the surface of the second sealing ring (8) is engaged with the inner wall of the ordinary plastic shell (2).

4. A low-evaporation female connector with a rubber liner according to claim 3, characterized in that: A pressure ring (6) is provided on the right side of the second sealing ring (8), and the surface of the pressure ring (6) is engaged with the inner wall of the ordinary plastic shell (2).

5. A low-evaporation female connector with a rubber liner according to claim 1, characterized in that: The inner wall of the ordinary plastic shell (2) is provided with a locking spring (7), and the surface of the ordinary plastic shell (2) is provided with anti-slip ribs (12).

6. A low-evaporation female connector with a rubber liner according to claim 3, characterized in that: The first sealing ring (4) and the second sealing ring (8) are both made of rubber.

7. A low-evaporation female connector with a rubber liner according to claim 3, characterized in that: The inner wall of the ordinary plastic shell (2) is provided with a first sealing groove (9) that cooperates with the first sealing ring (4), and the inner wall of the ordinary plastic shell (2) is provided with a second sealing groove (10) that cooperates with the second sealing ring (8).

8. A low-evaporation female connector with a rubber liner according to claim 1, characterized in that: The inner wall of the ordinary plastic shell (2) is provided with a slot (11) that is used in conjunction with the spacer ring (5).

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