Pressure buffering device of water cooling system
By using a buffer device consisting of an inner sleeve, an outer sleeve, and a spring in the water cooling system, the problem of complex structure and difficult maintenance caused by traditional water cooling pressure relief devices is solved, achieving a simplified pressure relief effect and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUZHOU DINGYANG ENVIRONMENTAL PROTECTION ELECTROMECHANICAL TECH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-05-08
AI Technical Summary
Traditional water-cooled pressure-reducing devices have complex structures, making later maintenance difficult.
A buffer device with inlet and outlet pipes is used. The device utilizes a combination of inner and outer sleeves, fixed springs and return springs. Through the interception and squeezing action of the inlet cone and outlet grid, the movement path of the coolant is increased and the flow rate is reduced, thus achieving a pressure relief effect.
The simplified structure reduces internal pressure fluctuations in the water cooling system, avoids damage to pipe interfaces, and improves the flexibility and convenience of maintenance.
Smart Images
Figure CN224214944U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water-cooled pressure relief technology, specifically a pressure relief device for a water-cooled system. Background Technology
[0002] A water-cooled pressure relief device is a device used in water-cooling systems to reduce system pressure changes and ensure stable operation of the water-cooling system by absorbing or releasing cooling media and adjusting internal pressure.
[0003] Its working principle mainly includes absorbing or releasing cooling medium. The cooling medium in the water cooling system will expand and contract due to temperature changes. When the temperature of the cooling medium rises and expands, the box of the water cooling pressure relief device can absorb the excess cooling medium; when the temperature drops and contracts, the cooling medium is released back into the water cooling system, thereby reducing the fluctuation of system pressure.
[0004] Some systems use pressure regulating devices, such as breather valves, which automatically open and close based on changes in the internal pressure of the enclosure. When the internal pressure is higher than a certain value, gas is discharged through the pressure regulating device; when the pressure is lower than a certain value, external gas enters the enclosure, keeping the pressure difference between the inside and outside of the enclosure within the allowable range, preventing overpressure or vacuum damage to the enclosure, and stabilizing the pressure of the water cooling system.
[0005] While such devices can achieve a pressure relief effect and prevent damage to internal structural components due to excessive instantaneous pressure when the water cooling system is turned on, their relatively complex structure leads to high maintenance costs and inconvenience. Therefore, a pressure relief device for a water cooling system is proposed. Utility Model Content
[0006] To address the shortcomings of existing technologies, this utility model provides a pressure relief device for a water cooling system, which has the advantages of high flexibility and good pressure relief effect, and solves the problem that the traditional pressure relief device has a relatively complex structure, which leads to difficult maintenance in the later stage.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a pressure-reducing device for a water-cooling system, comprising an inlet pipe and an outlet pipe, wherein a connecting pipe is slidably connected to the outer side of the inlet pipe and the outlet pipe, and a connecting component for achieving a buffering effect is provided on the inner side of the connecting pipe.
[0008] The connecting pipe includes an inner sleeve and an outer sleeve that is slidably connected to the outside of the inner sleeve, and two fixing springs are fixed between the inner sleeve and the outer sleeve.
[0009] The connecting assembly includes a threaded cylinder threaded to the inner side of the inner sleeve, a buffer pipe fixed inside the threaded cylinder, a limit sleeve slidably connected to the outer sides of both ends of the buffer pipe, a return spring fixed to the inner side wall of the limit sleeve, and an inlet cone and an outlet grid respectively abutting the two ends of the buffer pipe.
[0010] Furthermore, each of the inlet and outlet pipes has a connecting flange fixed at one end for connecting and fixing to the water supply pipe, and the opposite sides of the inlet and outlet pipes are both embedded inside the connecting pipe.
[0011] Furthermore, both the inner sleeve and the outer sleeve are L-shaped structures, and the surfaces of the inner sleeve and the outer sleeve that come into contact with each other are provided with a number of slots for discharge. The top walls of the opposite ends of the inner sleeve and the outer sleeve are provided with a number of annularly distributed vent holes.
[0012] Furthermore, the two fixing springs are respectively located on the outer side of the inner sleeve and the inner side of the outer sleeve, and the two ends of the fixing springs are fixedly installed on the inner sleeve and the outer sleeve, respectively.
[0013] Furthermore, the inner sleeve has threads on its inner side, and the threaded cylinder is fixedly installed to the inner sleeve by the threads. The upper surface of the threaded cylinder has several through holes for venting.
[0014] Furthermore, the limiting sleeve has an I-shaped structure, with the outer sides of the upper and lower limiting sleeves slidably connected to the inner sleeve and the outer sleeve, respectively, and the opposite ends of the two limiting sleeves are fixedly installed to the inlet pipe and the outlet pipe by threads, respectively.
[0015] Furthermore, the buffer pipe is an I-shaped pipe, and both ends of the buffer pipe are respectively embedded inside the two limiting sleeves. The reset spring is wrapped around the outside of the buffer pipe and its two ends are fixedly installed with the buffer pipe and the limiting sleeves respectively.
[0016] Furthermore, the limiting sleeve has several annularly distributed vent holes on one side wall opposite to the limiting sleeve, and the buffer pipe has annular sealing grooves on the outer sides of both ends. The sealing grooves are filled with annular sealing rings, and the two ends of the buffer pipe abut against the inner wall of the limiting sleeve through the sealing rings.
[0017] Furthermore, both the inlet cone and the outlet grille are conical structures. The top of the inlet cone is embedded inside the limiting sleeve and its outer side is slidably connected to the limiting sleeve. The upper and lower walls of the top of the inlet cone abut against the inlet pipe and the buffer pipe, respectively.
[0018] Furthermore, the bottom of the water outlet grille is embedded inside the limiting sleeve and slidably connected to the limiting sleeve. The upper and lower walls of the bottom end of the water outlet grille abut against the buffer pipe and the water outlet pipe, respectively. A baffle plate is fixed on the top of the water outlet grille, and several slots extending to the outside of the baffle plate are opened on the side of the water outlet grille.
[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0020] 1. The pressure-reducing device of this water-cooling system is connected to the water-cooling system through the inlet and outlet pipes. After the coolant rushes into the buffer pipe, it is initially intercepted by the inlet cone, which reduces the impact force of the water flow to a certain extent. The inlet cone is forced to compress the buffer pipe and the reset spring moves a certain distance, which increases the length of the device and increases the movement path of the coolant. The coolant passes through the outlet grid and the flow velocity is reduced again. At the same time, the outlet grid compresses the outer sleeve and stretches the fixing spring, further increasing the length of the device, thereby achieving the pressure-reducing effect.
[0021] 2. The pressure relief device of this water cooling system is fixed to the inner sleeve by setting a threaded cylinder on the outside of the buffer pipe. When the water cooling system is turned on, if the instantaneous pressure of the coolant is too high, it will directly act on the inlet cone and the outlet grid respectively. When the two are subjected to large water pressure, the pressure will indirectly squeeze the return spring and the fixed spring respectively. This increases the overall length of the device to a certain extent, while reducing the flow rate of the coolant. This prevents the water pressure from directly acting on the internal pipe interface of the water cooling system and causing damage. Attached Figure Description
[0022] Figure 1 This is a cross-sectional view of the present invention;
[0023] Figure 2 This utility model Figure 1 Enlarged view of the A-structure;
[0024] Figure 3 This is a perspective view of the connection relationship of some connecting structures of this utility model.
[0025] In the diagram: 1. Inlet pipe; 2. Outlet pipe; 3. Connecting pipe; 31. Inner sleeve; 32. Outer sleeve; 33. Fixing spring; 34. Vent hole; 4. Connecting assembly; 41. Threaded cylinder; 411. Through hole; 42. Buffer pipe; 43. Limiting sleeve; 431. Vent hole; 44. Return spring; 45. Inlet cone; 46. Outlet grille; 47. Sealing groove; 48. Sealing ring. Detailed Implementation
[0026] 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.
[0027] Please see Figure 1 The pressure relief device of the water cooling system in this embodiment includes an inlet pipe 1 and an outlet pipe 2. A connecting pipe 3 is slidably connected to the outside of the inlet pipe 1 and the outlet pipe 2. A connecting component 4 for achieving a buffering effect is provided on the inside of the connecting pipe 3.
[0028] In this embodiment, the opposite ends of the water inlet pipe 1 and the water outlet pipe 2 are both fixed with connecting flanges for connecting and fixing with the water supply pipe, and the opposite sides of the water inlet pipe 1 and the water outlet pipe 2 are both embedded inside the connecting pipe 3.
[0029] It should be noted that when in use, the inlet pipe 1 and the outlet pipe 2 need to be restricted by a fixing seat, which allows the inlet pipe 1 and the outlet pipe 2 to slide a certain distance.
[0030] In this embodiment, the connecting pipe 3 includes an inner sleeve 31 and an outer sleeve 32 slidably connected to the outside of the inner sleeve 31. Two fixing springs 33 are fixed between the inner sleeve 31 and the outer sleeve 32. Both the inner sleeve 31 and the outer sleeve 32 are L-shaped structures, and the surfaces of the inner sleeve 31 and the outer sleeve 32 that come into contact with each other are provided with a number of slots for discharge. The top walls of the opposite ends of the inner sleeve 31 and the outer sleeve 32 are provided with a number of annularly distributed vent holes 34. The two fixing springs 33 are respectively located on the outside of the inner sleeve 31 and the inside of the outer sleeve 32, and the two ends of the fixing springs 33 are fixedly installed on the inner sleeve 31 and the outer sleeve 32, respectively.
[0031] Please see Figures 2 to 3 In this embodiment, the connecting component 4 includes a threaded cylinder 41 threadedly connected to the inner side of the inner sleeve 31. A buffer pipe 42 is fixed inside the threaded cylinder 41. Limiting sleeves 43 are slidably connected to the outer sides of both ends of the buffer pipe 42. A reset spring 44 is fixed to the inner side wall of the limiting sleeve 43. The two ends of the buffer pipe 42 are respectively abutted against an inlet cone 45 and an outlet grid 46.
[0032] It should be noted that the elastic coefficients of the fixed spring 33 and the return spring 44 are calculated based on data. During the normal operation of the water cooling system, the overall structure can maintain a stable state. Moreover, since coolant is constantly flowing inside the pipe, the coolant acts as a damper during the reset process of the fixed spring 33 and the return spring 44, so that the fixed spring 33 and the return spring 44 will not oscillate repeatedly and will slowly return to their initial state.
[0033] In this embodiment, the inner sleeve 31 is threaded on its inner side, and the threaded cylinder 41 is fixedly installed to the inner sleeve 31 by the thread. The upper surface of the threaded cylinder 41 is provided with several through holes 411 for venting. The limiting sleeve 43 is an I-shaped structure. The outer sides of the upper and lower limiting sleeves 43 are slidably connected to the inner sleeve 31 and the outer sleeve 32, respectively. The opposite ends of the two limiting sleeves 43 are fixedly installed to the water inlet pipe 1 and the water outlet pipe 2 by the thread. The buffer pipe 42 is an I-shaped pipe, and the two ends of the buffer pipe 42 are respectively embedded inside the two limiting sleeves 43. The return spring 44 is wrapped around the outside of the buffer pipe 42 and its two ends are fixedly installed to the buffer pipe 42 and the limiting sleeve 43, respectively.
[0034] In this embodiment, a plurality of annularly distributed vent holes 431 are provided on the side wall of the opposite end of the limiting sleeve 43, and annular sealing grooves 47 are provided on the outer sides of both ends of the buffer pipe 42. The interior of the sealing grooves 47 is filled with annular sealing rings 48, and both ends of the buffer pipe 42 abut against the inner wall of the limiting sleeve 43 through the sealing rings 48.
[0035] By fixing the sealing rings 48 by opening sealing slots 47 at both ends of the buffer pipe 42, the buffer pipe 42 can slide inside the limiting sleeve 43, which can maintain good sealing performance. The vent hole 431, together with the through hole 411, can smoothly discharge the air wrapped by the inner sleeve 31 and the outer sleeve 32 on the outside of the buffer pipe 42, and avoid the movement of the buffer pipe 42 and the limiting sleeve 43 being hindered due to the air inside not being able to be discharged.
[0036] It should be noted that the sliding between the outer wall of the limiting sleeve 43 and the buffer pipe 42 is also equipped with an additional seal to prevent coolant from flowing out of the device.
[0037] In this embodiment, both the inlet cone 45 and the outlet grille 46 are conical structures. The top of the inlet cone 45 is embedded inside the limiting sleeve 43 and is slidably connected to the limiting sleeve 43 on the outside. The upper and lower walls of the top of the inlet cone 45 abut against the inlet pipe 1 and the buffer pipe 42, respectively. The bottom of the outlet grille 46 is embedded inside the limiting sleeve 43 and is slidably connected to the limiting sleeve 43. The upper and lower walls of the bottom of the outlet grille 46 abut against the buffer pipe 42 and the outlet pipe 2, respectively. A baffle is fixed on the top of the outlet grille 46, and several slots extending to the outside of the baffle are opened on the side of the outlet grille 46.
[0038] The working principle of the above embodiments is as follows:
[0039] By connecting the inlet pipe 1 and outlet pipe 2 to the water cooling system, when the water cooling system is turned on, the water pressure suddenly increases, propelling the water flow rapidly. The coolant enters the buffer pipe 42 and is intercepted by the inlet cone 45, reducing some of the water pressure impact. Simultaneously, the inlet cone 45 compresses the buffer pipe 42, causing it to slide inside the limiting sleeve 43, while also compressing the return spring 44 to contract. This causes the inner sleeve 31 to slide to a certain extent outside the inlet pipe 1. After the coolant flows out of the water cooling system and into the pressure-reducing device, the increased length of the pressure-reducing device increases the movement path of the coolant, thus reducing the internal pressure of the water cooling system to some extent. During the flow of the coolant, it is intercepted by the baffle plate at the top of the outlet grille 46, reducing its flow velocity. After passing through the outlet grille 46, it returns to the water cooling system from the outlet pipe 2. During this process, the outlet grille 46 is impacted by the water flow, pushing the limiting sleeve 43 to slide on the surface of the buffer pipe 42. At the same time, the limiting sleeve 43 and the outlet pipe 2 squeeze the outer sleeve 32. The outer sleeve 32 slides on the outside of the inner sleeve 31 under pressure, while pulling the fixing spring 33 to stretch, further increasing the length of the pressure relief device. The pressure relief purpose is achieved through simple cooperation, thus solving the problem that the traditional pressure relief device has a relatively complex structure, which leads to difficult maintenance in the later stage.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A pressure-reducing device for a water-cooling system, comprising an inlet pipe (1) and an outlet pipe (2), characterized in that: The inlet pipe (1) and outlet pipe (2) are slidably connected to a connecting pipe (3), and the inner side of the connecting pipe (3) is provided with a connecting component (4) to achieve a buffering effect. The connecting pipe (3) includes an inner sleeve (31) and an outer sleeve (32) that is slidably connected to the outside of the inner sleeve (31). Two fixing springs (33) are fixed between the inner sleeve (31) and the outer sleeve (32). The connecting assembly (4) includes a threaded cylinder (41) threadedly connected to the inner side of the inner sleeve (31). A buffer pipe (42) is fixed inside the threaded cylinder (41). Limiting sleeves (43) are slidably connected to the outer sides of both ends of the buffer pipe (42). A return spring (44) is fixed to the inner side wall of the limiting sleeve (43). The two ends of the buffer pipe (42) abut against an inlet cone (45) and an outlet grid (46), respectively.
2. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The inlet pipe (1) and outlet pipe (2) are each fixed with a connecting flange for connecting and fixing to the water supply pipe at opposite ends, and the opposite sides of the inlet pipe (1) and outlet pipe (2) are both embedded inside the connecting pipe (3).
3. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: Both the inner sleeve (31) and the outer sleeve (32) are L-shaped structures, and the surfaces of the inner sleeve (31) and the outer sleeve (32) that come into contact are provided with a number of slots for discharge. The top walls of the opposite ends of the inner sleeve (31) and the outer sleeve (32) are provided with a number of annularly distributed vent holes (34).
4. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The two fixing springs (33) are respectively located on the outer side of the inner sleeve (31) and the inner side of the outer sleeve (32), and the two ends of the fixing springs (33) are fixedly installed on the inner sleeve (31) and the outer sleeve (32).
5. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The inner sleeve (31) has a thread on its inner side, and the threaded cylinder (41) is fixedly installed to the inner sleeve (31) by the thread. The upper surface of the threaded cylinder (41) has several through holes (411) for venting.
6. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The limiting sleeve (43) has an I-shaped structure. The outer sides of the upper and lower limiting sleeves (43) are slidably connected to the inner sleeve (31) and the outer sleeve (32) respectively. The opposite ends of the two limiting sleeves (43) are fixedly installed to the water inlet pipe (1) and the water outlet pipe (2) respectively by threads.
7. The pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The buffer pipe (42) is an I-shaped pipe, and the two ends of the buffer pipe (42) are respectively embedded in the interior of two limiting sleeves (43). The reset spring (44) is wrapped around the outside of the buffer pipe (42) and its two ends are fixedly installed with the buffer pipe (42) and the limiting sleeves (43) respectively.
8. A pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The limiting sleeve (43) has several annularly distributed vent holes (431) on one side wall opposite to the limiting sleeve (43). The buffer pipe (42) has annular sealing grooves (47) on the outer sides of both ends. The sealing grooves (47) are filled with annular sealing rings (48). The two ends of the buffer pipe (42) abut against the inner wall of the limiting sleeve (43) through the sealing rings (48).
9. A pressure-reducing device for a water-cooling system according to claim 1, characterized in that: Both the inlet cone (45) and the outlet grid (46) are conical structures. The top of the inlet cone (45) is embedded inside the limiting sleeve (43) and the outside is slidably connected to the limiting sleeve (43). The top and bottom walls of the inlet cone (45) abut against the inlet pipe (1) and the buffer pipe (42) respectively.
10. A pressure-reducing device for a water-cooling system according to claim 1, characterized in that: The bottom of the water outlet grille (46) is embedded inside the limiting sleeve (43) and slidably connected to the limiting sleeve (43). The bottom upper and lower walls of the water outlet grille (46) abut against the buffer pipe (42) and the water outlet pipe (2) respectively. A baffle plate is fixed on the top of the water outlet grille (46). Several slots extending to the outside of the baffle plate are opened on the side of the water outlet grille (46).