A fixed cold water cooler
The design combining L-shaped rods and screws solves the problems of scaling in constant cooling water coolers and cumbersome installation of sealing caps, enabling convenient cleaning and sealing operations and improving the efficiency and sealing performance of the cooler.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DATANG LUEYANG POWER GENERATION
- Filing Date
- 2026-04-23
- Publication Date
- 2026-06-16
AI Technical Summary
Static water coolers are prone to scaling during use, which affects the cooling effect. In addition, the installation and removal of the sealing cover is cumbersome and requires the use of multiple bolts and tools.
The installation method uses a combination of L-shaped rod and screw. By rotating the L-shaped rod, the positioning rod and screw are driven, which enables easy disassembly and installation of the sealing cover. Combined with the design of baffle and spring, the sealing performance is ensured.
It simplifies the cleaning process of the constant cooling water cooler and the installation and disassembly of the sealing cover, improving the ease of operation and sealing effect.
Smart Images

Figure CN224367671U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooler technology, and in particular to a constant-cooling water cooler. Background Technology
[0002] The stator cooler is a key piece of equipment in the generator stator cooling water system. Its main function is to remove the heat absorbed by the cooling water from the stator windings, ensuring that the generator stator windings operate within a suitable temperature range, and ensuring the normal, efficient and reliable operation of the generator.
[0003] In the generator stator cooling water system, an electric pump draws water from the tank, cools it in the stator cooler, filters it, and enters the generator's excitation end manifold. After flowing through the hollow conductors of the stator, it exits from the generator's generator end manifold and finally returns to the tank, completing one cycle. The hot fluid (cooling water that has absorbed heat from the stator windings) in the stator cooler enters the curved flow pipe from the upper inlet. Simultaneously, the coolant also enters the pipe, employing a two-pass flow pattern: it first enters one half of the cooling pipes, then the other half, and finally flows back to the outlet. During this process, the coolant absorbs heat from the hot fluid, releasing it at the outlet.
[0004] During use, existing constant cooling water coolers are prone to scale buildup inside, which can clog the cooling tube sheet and affect the cooling effect. Therefore, it is necessary to clean the constant cooling water cooler. However, the sealing caps at both ends of the constant cooling water cooler are fixed with multiple bolts, which requires tools to turn multiple bolts each time they are installed and disassembled, which is very cumbersome. Utility Model Content
[0005] (I) Purpose of the utility model
[0006] In view of this, the purpose of this utility model is to propose a constant cooling water cooler. The technical problem to be solved is that in the use of existing constant cooling water coolers, scale easily forms inside the cooler, which can easily block the cooling tube plate and thus affect the cooling effect. Therefore, it is necessary to clean the constant cooling water cooler. However, the sealing caps at both ends of the constant cooling water cooler are fixed with multiple bolts. Each time they are installed and disassembled, multiple bolts need to be turned with tools, which is very cumbersome.
[0007] (II) Technical Solution
[0008] To achieve the above technical objectives, this utility model provides a constant-temperature water cooler:
[0009] It includes a housing, within which a cooling pipe is fixed. An inlet pipe and an outlet pipe are fixed and connected to the housing. Mounting plates are fixed to the outer sides of both ends of the housing. Grooves are formed in the mounting plates. A first L-shaped plate and a second L-shaped plate are symmetrically fixed to the outer sides of the mounting plates along their radial direction. A rectangular plate is rotatably connected to the first L-shaped plate. A disc is fixed inside the rectangular plate. A sealing cover is provided on one side of the rectangular plate. The sealing cover can be embedded in the groove and seal the housing. A screw is rotatably connected to the sealing cover. The screw passes through the disc and is threadedly connected to the disc. A throttle handle is fixed to the end of the screw after it passes through the disc.
[0010] Preferably, two guide rods are fixed on one side of the sealing cover, and the guide rods pass through the rectangular plate and slide within the rectangular plate.
[0011] Preferably, a positioning plate is fixed to one side of the sealing cover, and an inner cavity is opened in the positioning plate. A positioning rod is slidably connected in the inner cavity, and the positioning rod can also rotate in the inner cavity.
[0012] Preferably, a baffle is fixed on one side of the second L-shaped plate, and a positioning hole is provided in the second L-shaped plate, into which the positioning rod can be embedded.
[0013] Preferably, one end of the positioning rod is fixed with an L-shaped rod, the L-shaped rod passes through the positioning plate and slides within the positioning plate, and the L-shaped rod can also rotate within the positioning plate. A protrusion is fixed on one side of the rectangular plate, and the protrusion can hook the L-shaped rod.
[0014] Preferably, a spring is sleeved on the outer side of the L-shaped rod, one end of the spring abuts against the positioning rod, and the other end of the spring abuts against the inner wall of the cavity.
[0015] Preferably, an annular groove is provided on one side of the sealing cover, and a sealing ring is fitted inside the annular groove.
[0016] As can be seen from the above technical solutions, this application has the following beneficial effects:
[0017] 1. When it is necessary to clean the scale inside the constant cooling water cooler, first pull the L-shaped rod to move the positioning rod. After moving the positioning rod out of the positioning hole and into the inner cavity, rotate the L-shaped rod so that the protrusion hooks the L-shaped rod. Then rotate the screw to move the sealing cover out of the groove. Then rotate the rectangular plate to rotate the sealing cover, thereby removing the sealing cover from the groove. The constant cooling water cooler can then be cleaned. This installation and disassembly method is more convenient than the existing bolt type.
[0018] 2. When the groove needs to be sealed, rotate the rectangular plate to make the sealing cover rotate. Due to the baffle, when the rectangular plate rotates to fit against the baffle, the sealing cover and the mounting plate are in a parallel state. This allows the sealing cover to be properly inserted into the groove when the screw is rotated. In addition, due to the baffle, when the rectangular plate rotates to fit against the baffle, the positioning rod and the positioning hole are aligned, allowing the positioning rod to be inserted into the positioning hole for easy fixation of the rectangular plate. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0020] Figure 1 A schematic diagram of the structure of a constant-temperature water cooler provided by this utility model;
[0021] Figure 2 This is a partial structural diagram of a constant-temperature water cooler provided by the present invention;
[0022] Figure 3 Provided by this utility model Figure 1 Schematic diagram of the structure at point A;
[0023] Figure 4 Provided by this utility model Figure 2 Schematic diagram of the structure at point B;
[0024] Figure 5 This is a schematic diagram showing the disassembled structure of a constant-temperature water cooler provided by this utility model.
[0025] Figure descriptions: 1. Housing; 2. Cooling pipe; 3. Inlet pipe; 4. Outlet pipe; 5. Mounting plate; 6. Groove; 7. First L-shaped plate; 8. Rectangular plate; 9. Disc; 10. Sealing cap; 11. Screw; 12. Thruster; 13. Guide rod; 14. Positioning plate; 15. Inner cavity; 16. Positioning rod; 17. L-shaped rod; 18. Spring; 19. Protrusion; 20. Second L-shaped plate; 21. Baffle; 22. Positioning hole; 23. Annular groove; 24. Sealing ring. Detailed Implementation
[0026] The following description is exemplary in nature and is not intended to limit the scope, application, or use of this disclosure. It should be understood that in all these figures, the same or similar reference numerals indicate the same or similar parts and features. The figures are merely schematic representations of the concept and principles of embodiments of this disclosure and do not necessarily show the specific dimensions and scale of the various embodiments of this disclosure. Certain details or structures of embodiments of this disclosure may be exaggerated in particular portions of certain figures.
[0027] Reference Figure 1-5 :
[0028] In one embodiment of this utility model, a constant cooling water cooler is provided, including a shell 1, a cooling pipe 2 fixed inside the shell 1, an inlet pipe 3 and an outlet pipe 4 fixed and connected to the shell 1, mounting plates 5 fixed to both outer sides of the shell 1, grooves 6 formed in the mounting plates 5, a first L-shaped plate 7 and a second L-shaped plate 20 symmetrically fixed to the outer side of the mounting plates 5 along its radial direction, a rectangular plate 8 rotatably connected inside the first L-shaped plate 7, a disc 9 fixed inside the rectangular plate 8, a sealing cover 10 provided on one side of the rectangular plate 8, the sealing cover 10 can be embedded in the groove 6 and seal the shell 1, a screw 11 rotatably connected inside the sealing cover 10, the screw 11 passes through the disc 9 and is threadedly connected to the disc 9, and a handle 12 is fixed to the end of the screw 11 after passing through the disc 9.
[0029] Two guide rods 13 are fixed on one side of the sealing cover 10. The guide rods 13 pass through the rectangular plate 8 and slide within the rectangular plate 8. A positioning plate 14 is fixed on one side of the sealing cover 10. An inner cavity 15 is opened in the positioning plate 14. A positioning rod 16 is slidably connected in the inner cavity 15 and can also rotate in the inner cavity 15. A baffle 21 is fixed on one side of the second L-shaped plate 20. A positioning hole 22 is opened in the second L-shaped plate 20. The positioning rod 16 can be embedded in the positioning hole 22. An annular groove 23 is opened on one side of the sealing cover 10. A sealing ring 24 is fitted in the annular groove 23.
[0030] It should be noted that when sealing the constant cooling water cooler is required, rotating the rectangular plate 8 causes the sealing cover 10 to rotate. Due to the baffle 21, when the rectangular plate 8 rotates to fit against the baffle 21, the sealing cover 10 and the mounting plate 5 are in a parallel state. This allows the sealing cover 10 to be properly embedded in the groove 6 when the screw 11 is rotated. Additionally, due to the baffle 21, when the rectangular plate 8 rotates to fit against the baffle 21, the positioning rod 16 and the positioning hole 22 are aligned, allowing the positioning rod 16 to be embedded in the positioning hole 22 for easy fixation of the rectangular plate 8. When the screw 11 is rotated, the guide rod 13 allows the sealing cover 10 to move into the groove 6, blocking the groove 6. Furthermore, the sealing ring 24 ensures the sealing performance of the sealing cover 10 after sealing the groove 6.
[0031] In addition, an L-shaped rod 17 is fixed to one end of the positioning rod 16. The L-shaped rod 17 passes through the positioning plate 14 and slides within the positioning plate 14. The L-shaped rod 17 can also rotate within the positioning plate 14. A protrusion 19 is fixed to one side of the rectangular plate 8. The protrusion 19 can hook the L-shaped rod 17. A spring 18 is sleeved on the outside of the L-shaped rod 17. One end of the spring 18 abuts against the positioning rod 16, and the other end of the spring 18 abuts against the inner wall of the inner cavity 15.
[0032] When it is necessary to clean the scale inside the constant cooling water cooler, first pull the L-shaped rod 17 to move the positioning rod 16. After the positioning rod 16 is moved out of the positioning hole 22 and into the inner cavity 15, the spring 18 is compressed. Then rotate the L-shaped rod 17 so that the protrusion 19 hooks the L-shaped rod 17. Then rotate the handle 12 to drive the screw 11 to rotate. When the screw 11 rotates, it drives the sealing cover 10 to move, so that the sealing cover 10 is moved out of the groove 6. Then rotate the rectangular plate 8 to drive the sealing cover 10 to rotate, thereby removing the sealing cover 10 from the groove 6. The inside of the constant cooling water cooler can then be cleaned. This installation and disassembly method is more convenient than the existing bolt type.
[0033] The exemplary implementation of the solution proposed in this disclosure has been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the spirit of this disclosure, and various combinations can be made to the various technical features and structures proposed in this disclosure without exceeding the protection scope of this disclosure, which is determined by the appended claims.
Claims
1. A constant-temperature water cooler, comprising a housing (1), characterized in that, A cooling pipe (2) is fixed inside the housing (1). A water inlet pipe (3) and a water outlet pipe (4) are fixed and connected to the housing (1). Mounting plates (5) are fixed on both sides of the housing (1). A groove (6) is provided in the mounting plate (5). A first L-shaped plate (7) and a second L-shaped plate (20) are symmetrically fixed on the outer side of the mounting plate (5) along its radial direction. A rectangular plate (8) is rotatably connected inside the first L-shaped plate (7). A disc (9) is fixed inside the rectangular plate (8). A sealing cover (10) is provided on one side of the rectangular plate (8). The sealing cover (10) can be embedded in the groove (6) and seal the housing (1). A screw (11) is rotatably connected inside the sealing cover (10). The screw (11) passes through the disc (9) and is threadedly connected to the disc (9). A throttle handle (12) is fixed at the end of the screw (11) after it passes through the disc (9).
2. A constant-temperature water cooler according to claim 1, characterized in that, Two guide rods (13) are fixed on one side of the sealing cover (10). The guide rods (13) pass through the rectangular plate (8) and slide within the rectangular plate (8).
3. A constant-temperature water cooler according to claim 1, characterized in that, A positioning plate (14) is fixed on one side of the sealing cover (10). An inner cavity (15) is opened in the positioning plate (14). A positioning rod (16) is slidably connected in the inner cavity (15), and the positioning rod (16) can also rotate in the inner cavity (15).
4. A constant-temperature water cooler according to claim 3, characterized in that, A baffle (21) is fixed on one side of the second L-shaped plate (20), and a positioning hole (22) is provided in the second L-shaped plate (20), and the positioning rod (16) can be embedded in the positioning hole (22).
5. A constant-temperature water cooler according to claim 3, characterized in that, One end of the positioning rod (16) is fixed with an L-shaped rod (17). The L-shaped rod (17) passes through the positioning plate (14) and slides within the positioning plate (14). The L-shaped rod (17) can also rotate within the positioning plate (14). A protrusion (19) is fixed on one side of the rectangular plate (8). The protrusion (19) can hook the L-shaped rod (17).
6. A constant-temperature water cooler according to claim 5, characterized in that, A spring (18) is sleeved on the outside of the L-shaped rod (17). One end of the spring (18) abuts against the positioning rod (16), and the other end of the spring (18) abuts against the inner wall of the inner cavity (15).
7. A constant-temperature water cooler according to claim 1, characterized in that, The sealing cap (10) has an annular groove (23) on one side, and a sealing ring (24) is fitted inside the annular groove (23).