A stainless steel housing for water cooling system pipes

Abstract

This utility model discloses a stainless steel shell for water-cooled system pipelines, relating to the field of pipeline technology. It includes a first pipeline and a second pipeline, both made of stainless steel. The inner wall of the first pipeline end is fixedly provided with an internal thread, and the outer wall of the second pipeline end is fixedly provided with an external thread. The internal and external threads mate with each other. A sealing cover is provided around the outer ring of the connection between the second and first pipelines. The vertical cross-sections of the second and first pipelines are circular, while the vertical cross-section of the sealing cover is rectangular, circular, or any other shape. This utility model avoids the traditional flame brazing sealing method between the first and second pipelines, resulting in high connection efficiency and high sealing performance, preventing leakage for a long time. It solves the problem that existing stainless steel refrigeration pipelines commonly use flame brazing sealing, which has high technical requirements and certain safety hazards.

Description

Technical Field

[0001] This utility model relates to the field of pipeline technology, and in particular to a stainless steel shell for water-cooled system pipelines. Background Technology

[0002] The refrigeration system of existing refrigeration devices generally includes a compressor, condenser, capillary tube, evaporator, etc. These components are connected by refrigeration piping to form a sealed system. The refrigerant undergoes gas-liquid changes within this closed system to achieve the refrigeration effect. For the entire system, airtightness is crucial; refrigerant leakage not only affects refrigeration performance but may also pose certain safety hazards.

[0003] Among them, stainless steel pipes can be used for refrigeration pipelines. Stainless steel welded pipes, as heat exchange tubes of condensers, can effectively transfer heat and help the refrigerant change from a gaseous state to a liquid state, thereby improving refrigeration efficiency. At present, flame brazing is commonly used to seal refrigeration pipelines in refrigeration systems. This process requires highly skilled operators and is considered a special position in the production process. However, production lines are generally operated by multiple employees, which cannot guarantee the stability and consistency of product quality. More importantly, welding requires the use of fire, which poses certain safety hazards. Therefore, it is necessary to propose a stainless steel shell for water-cooled system pipelines to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a stainless steel shell for water-cooled system pipelines, in order to solve the problem mentioned above that existing stainless steel refrigeration pipelines generally use flame brazing for sealing, which has high technical requirements and certain safety hazards.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stainless steel shell for a water-cooling system pipe, comprising a first pipe and a second pipe, both the first pipe and the second pipe being made of stainless steel, the inner wall of the end of the first pipe being fixedly provided with an internal thread, the outer wall of the end of the second pipe being fixedly provided with an external thread, the internal thread and the external thread engaging with each other, a sealing cover being provided around the outer ring of the connection between the second pipe and the first pipe, the vertical cross-section of the second pipe and the first pipe being circular, and the vertical cross-section of the sealing cover being rectangular, circular, or any one of the following;

[0006] The sealing cover has a first through hole and a second through hole fixedly opened on both sides, and the first through hole and the first pipe are fixed to each other by welding. The outer walls of the second through hole and the second pipe are in contact with each other. The inner wall of the sealing cover is fixedly provided with a first partition plate, and the inner ring of the first partition plate is fixed to the first pipe by welding. The first partition plate is provided with not less than two first one-way valves arranged in a ring evenly. The first partition plate divides the interior of the sealing cover into a first glue storage chamber and a first sealing chamber. The first glue storage chamber stores sealant. The sealing cover is provided with a second one-way valve connected to the first glue storage chamber. The outer cover of the second one-way valve is provided with a connector fixedly connected to the outer wall of the sealing cover.

[0007] Preferably, a first rubber ring is fixedly provided on the inner wall of the second through hole, the first rubber ring and the outer wall of the second pipe are in contact with each other, and the first rubber ring is in a compressed state.

[0008] Preferably, the first sealing chamber is located at the outer ring of the connection between the second pipe and the first pipe.

[0009] Preferably, a second rubber ring is fixedly provided on the inner wall of the first through hole. The second rubber ring and the outer wall of the first pipe are in contact with each other, and the second rubber ring is in a compressed state. A second partition is fixedly connected between the inner walls on both sides of the sealing cover. The second partition divides the interior of the sealing cover into a second glue storage chamber and a second sealing chamber. The second glue storage chamber stores sealant. The second sealing chamber covers the outer ring of the connection between the second pipe and the first pipe.

[0010] Preferably, the second check valve and the second glue storage tank are connected to each other, and at least two third check valves arranged in a ring are fixedly disposed in the middle of the second partition.

[0011] Preferably, the outer walls of the first pipe and the second pipe are respectively provided with a second scale line and a first scale line.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. This utility model can avoid the traditional flame brazing sealing method between the first and second pipes, with high connection efficiency and high sealing performance, which can prevent leakage for a long time. It solves the problem that the existing stainless steel refrigeration pipelines generally use flame brazing sealing, which has high technical requirements and certain safety hazards.

[0014] 2. By setting the first and second rubber rings, the problem of sealant leakage and waste is avoided, and the contact between the external air environment and the sealant is further isolated. In addition, since the sealant inside the first sealing chamber is covered by the sealing cover, the problem of reduced sealing performance after the sealant comes into contact with air is avoided, thus maintaining good physical properties and extending the service life of the pipeline.

[0015] 3. This utility model can also seal the connection between existing refrigeration stainless steel pipes without requiring structural modifications to the existing refrigeration stainless steel pipes, and has a wide range of applications.

[0016] 4. By setting the second scale line and the first scale line, the sealing cover is adjusted to a suitable position on the outer wall of the first pipe and the second pipe, so that the second sealing chamber is evenly covered on the outer ring of the connection between the second pipe and the first pipe, which facilitates the improvement of the sealing performance of the connection between the second pipe and the first pipe. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall cross-sectional structure of a stainless steel shell for a water-cooling system pipeline according to the present invention.

[0018] Figure 2 This is a side view of the first partition of this utility model.

[0019] Figure 3 This is a cross-sectional structural diagram of the sealing cover and the first pipe when they are slidably connected.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the second partition of this utility model.

[0021] Figure 5 This is a front view structural diagram of the sealing cover and the first pipe when they are slidably connected.

[0022] In the diagram: 1. First pipe; 2. Second pipe; 3. Internal thread; 4. External thread; 5. Sealing cover; 6. First rubber ring; 7. First partition; 8. First check valve; 9. Second check valve; 10. Connector; 11. Second rubber ring; 12. Second partition; 13. Third check valve; 14. First scale line; 15. Second scale line. Detailed Implementation

[0023] 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. Example 1

[0024] This utility model provides, for example Figures 1-2 The stainless steel casing shown is for a water-cooling system piping, including a first pipe 1 and a second pipe 2. Both the first pipe 1 and the second pipe 2 are made of stainless steel. An internal thread 3 is fixedly provided on the inner wall of the end of the first pipe 1, and an external thread 4 is fixedly provided on the outer wall of the end of the second pipe 2. The internal thread 3 and the external thread 4 cooperate with each other, providing initial fixation when the first pipe 1 and the second pipe 2 are connected. The next step is to address the sealing issue. A sealing cover 5 is provided around the outer ring of the connection between the second pipe 2 and the first pipe 1. The vertical cross-sections of the second pipe 2 and the first pipe 1 are circular, while the vertical cross-section of the sealing cover 5 is rectangular, circular, or any other shape. The two ends of the sealing cover 5... The first through hole and the second through hole are fixedly opened on the side respectively. The first through hole and the first pipe 1 are fixed to each other by welding. The outer walls of the second through hole and the second pipe 2 are fitted together. The inner wall of the sealing cover 5 is fixedly provided with a first partition 7. The inner ring of the first partition 7 and the first pipe 1 are fixed to each other by welding. The first partition 7 is provided with not less than two first one-way valves 8 arranged in a ring evenly. The first partition 7 divides the interior of the sealing cover 5 into a first glue storage chamber and a first sealing chamber. The first glue storage chamber stores sealant. The sealing cover 5 is provided with a second one-way valve 9 connected to the first glue storage chamber. The outer cover of the second one-way valve 9 is provided with a connector 10 fixedly connected to the outer wall of the sealing cover 5.

[0025] When connecting the first pipe 1 and the second pipe 2, inserting the second pipe 2 into the second through hole allows the internal thread 3 and the external thread 4 to be quickly aligned, thereby facilitating the quick threaded connection and fixation between the first pipe 1 and the second pipe 2.

[0026] After the first pipe 1 and the second pipe 2 are threadedly connected and fixed, the first sealing chamber covers the outer ring of the connection between the second pipe 2 and the first pipe 1. After connecting the connector 10 with an external air cylinder, air pressure is supplied to the connector 10. The high-pressure gas then enters the interior of the first adhesive storage chamber after passing through the second one-way valve 9. Under high pressure, the first one-way valve 8 is forced to open, allowing the sealant inside the first adhesive storage chamber to enter the interior of the first sealing chamber through the first one-way valve 8, thereby sealing the outer ring of the connection between the second pipe 2 and the first pipe 1 to prevent leakage.

[0027] It should be noted that before this, the sealant should be injected into the first sealant storage tank through the second one-way valve 9 for later use.

[0028] Because the sealant inside the first sealing chamber is covered by the sealing cover 5, it is prevented from coming into contact with the external air environment, thus maintaining good physical properties and extending the service life of the pipeline.

[0029] In summary, this embodiment avoids the traditional flame brazing sealing method between the first pipe 1 and the second pipe 2, resulting in high connection efficiency and high sealing performance, which can prevent leakage for a long time. This solves the problem that the existing stainless steel refrigeration pipelines generally use flame brazing sealing, which has high technical requirements and certain safety hazards.

[0030] To prevent sealant from flowing out of the connection gap between the second through hole and the second pipe 2 and causing waste, a first rubber ring 6 is fixedly installed on the inner wall of the second through hole. The first rubber ring 6 and the outer wall of the second pipe 2 are in contact with each other, and the first rubber ring 6 is in a compressed state. By setting the first rubber ring 6, the problem of sealant flowing out of the connection gap between the second through hole and the second pipe 2 and causing waste is avoided. It can also further isolate the external air environment from the sealant, and prevent the sealant from reducing its sealing performance after contacting the air. Example 2

[0031] like Figures 3-5 As shown, a second rubber ring 11 is fixedly installed on the inner wall of the first through hole. The second rubber ring 11 and the outer wall of the first pipe 1 are in contact with each other, and the second rubber ring 11 is in a compressed state. A second partition 12 is fixedly connected between the inner walls on both sides of the sealing cover 5. The second partition 12 divides the interior of the sealing cover 5 into a second glue storage chamber and a second sealing chamber. The second glue storage chamber stores sealant. The second sealing chamber covers the outer ring of the connection between the second pipe 2 and the first pipe 1. The second one-way valve 9 and the second glue storage chamber are connected to each other. At least two third one-way valves 13 are fixedly installed in the middle of the second partition 12 in a ring-shaped and uniformly distributed manner.

[0032] In this embodiment, the sealing cover 5 is not fixedly connected to the first pipe 1, but is movably fitted to the first pipe 1 through the second rubber ring 11. This allows the sealing cover 5 to be installed on the first pipe 1 and the second pipe 2 on site without welding between the sealing cover 5 and the first pipe 1, thus reducing the production process of the first pipe 1.

[0033] Therefore, the operation steps in this embodiment are as follows: After fitting the sealing cover 5 onto the first pipe 1 at a suitable position, as in Embodiment 1, the first pipe 1 and the second pipe 2 are then threadedly fixed together. At this time, since the outer walls of the first pipe 1 and the second pipe 2 are respectively provided with the second scale line 15 and the first scale line 14, the sealing cover 5 is adjusted to a suitable position on the outer walls of the first pipe 1 and the second pipe 2, so that the second sealing chamber is evenly covered on the outer ring of the connection between the second pipe 2 and the first pipe 1, which facilitates the improvement of the sealing performance of the connection between the second pipe 2 and the first pipe 1. Finally, after connecting the connector 10 with an external air cylinder, air pressure is supplied to the connector 10, and the high-pressure gas enters the interior of the second glue storage chamber after passing through the second one-way valve 9. Under high pressure, the third one-way valve 13 is forced to open, allowing the sealant inside the second glue storage chamber to enter the interior of the second sealing chamber through the third one-way valve 13, thereby sealing the outer ring of the connection between the second pipe 2 and the first pipe 1 to avoid leakage.

[0034] Compared to Embodiment 1, this embodiment does not modify the structure of the refrigeration stainless steel pipe, making it more suitable for connecting existing refrigeration stainless steel pipes. However, the connection strength between the second pipe 2 and the first pipe 1 in this embodiment is not as strong as that between the second pipe 2 and the first pipe 1 in Embodiment 1. Therefore, the installation method can be selected according to the actual situation, and this application does not limit it.

Claims

1. A stainless steel casing for a water-cooled system pipe, comprising a first pipe (1) and a second pipe (2), characterized in that: The first pipe (1) and the second pipe (2) are both made of stainless steel. The inner wall of the end of the first pipe (1) is fixedly provided with an internal thread (3), and the outer wall of the end of the second pipe (2) is fixedly provided with an external thread (4). The internal thread (3) and the external thread (4) are mutually engaged. A sealing cover (5) is provided around the outer ring of the connection between the second pipe (2) and the first pipe (1). The vertical cross-section of the second pipe (2) and the first pipe (1) is circular. The vertical cross-section of the sealing cover (5) is either rectangular or circular. The sealing cover (5) has a first through hole and a second through hole fixedly opened on both sides respectively. The first through hole and the first pipe (1) are fixed to each other by welding. The outer walls of the second through hole and the second pipe (2) are attached to each other. The inner wall of the sealing cover (5) is fixedly provided with a first partition (7). The inner ring of the first partition (7) and the first pipe (1) are fixed to each other by welding. The first partition (7) is provided with not less than two first one-way valves (8) arranged in a ring evenly. The first partition (7) divides the interior of the sealing cover (5) into a first glue storage chamber and a first sealing chamber. The first glue storage chamber stores sealant. The sealing cover (5) is provided with a second one-way valve (9) connected to the first glue storage chamber. The outer cover of the second one-way valve (9) is provided with a connector (10) fixedly connected to the outer wall of the sealing cover (5).

2. The stainless steel casing for a water-cooled system pipeline according to claim 1, characterized in that: The inner wall of the second through hole is fixedly provided with a first rubber ring (6), the first rubber ring (6) and the outer wall of the second pipe (2) are in contact with each other, and the first rubber ring (6) is in a compressed state.

3. A stainless steel housing for a water-cooled system pipeline according to claim 2, characterized in that: The first sealing chamber is located on the outer ring of the connection between the second pipe (2) and the first pipe (1).

4. A stainless steel housing for a water-cooled system pipeline according to claim 3, characterized in that: A second rubber ring (11) is fixedly provided on the inner wall of the first through hole. The second rubber ring (11) and the outer wall of the first pipe (1) are in contact with each other, and the second rubber ring (11) is in a compressed state. A second partition (12) is fixedly connected between the inner walls on both sides of the sealing cover (5). The second partition (12) divides the interior of the sealing cover (5) into a second glue storage chamber and a second sealing chamber. The interior of the second glue storage chamber stores sealant. The second sealing chamber covers the outer ring of the connection between the second pipe (2) and the first pipe (1).

5. A stainless steel housing for a water-cooled system pipeline according to claim 4, characterized in that: The second check valve (9) is connected to the second glue storage tank, and at least two third check valves (13) are fixedly arranged in a ring at the middle of the second partition (12).

6. A stainless steel housing for a water-cooled system pipeline according to claim 4, characterized in that: The outer walls of the first pipe (1) and the second pipe (2) are respectively provided with a second scale line (15) and a first scale line (14).

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