Liquid cooling server case convenient to maintain and disassemble

Abstract

The invention discloses a liquid cooling server case convenient to maintain and disassemble, relates to the technical field of server cases, solves the problem that a liquid cooling server is inconvenient to maintain and disassemble quickly, and comprises a quick disassembly liquid cooling case which is divided into an upper case and a lower case; a fixing mechanism used for fixing the upper machine box and the lower machine box is arranged between the upper machine box and the lower machine box, the two ends of a first heat exchange pipe in the lower machine box are each provided with a quick connector sub-head, and a second communicating pipe and a third communicating pipe on a second heat exchange pipe in the upper machine box are each provided with a female head matched with the corresponding quick connector sub-head. The liquid leakage prevention assembly is composed of a liquid suction structure and a negative pressure structure; liquid suction structures are arranged on the outer sides of the two quick connector sub-heads, and a negative pressure structure enabling the two liquid suction structures to generate negative pressure is arranged on the top of the lower machine box. According to the invention, the heat exchange part of the server is convenient to disassemble during maintenance and overhaul.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of server cases, and is suitable for application scenarios of industrial servers and network servers, and particularly relates to a liquid-cooled server case convenient to maintain and disassemble. BACKGROUND

[0002] A server is a specific IT device that provides computing power and runs software applications in a network environment, and it provides computing or application services for other clients (such as terminal devices such as personal computers, smart phones, ATMs, etc.) in the network. Generally, servers have the ability to respond to service requests, bear services, and ensure services.

[0003] According to the search, the authorized announcement No. CN119179377B Chinese patent discloses a liquid-cooled server case convenient to maintain and disassemble, which belongs to the technical field of server cases, and the top plate is provided with side plates on the left and right sides, and the top plate is fixedly connected with the bottom plate through the side plates, and the inner sides of the top plate and the bottom plate are provided with liquid cooling plates; the inside of the device shell is provided with a liquid delivery mechanism, and the inside of the device shell is provided with an air cooling mechanism, and the inside of the device shell is provided with a driving motor, the driving motor is connected with the liquid delivery mechanism and the air cooling mechanism, and the driving motor can drive the liquid delivery mechanism and the air cooling mechanism to operate synchronously, and the inside of the device shell is provided with a connecting mechanism, and the driving motor is connected with the connecting mechanism; the top plate, the bottom plate and the side plates form a box body, after being connected with the device shell, the top of the box body can be fixed and limited, so that the liquid cooling fins can be fixed on the inner sides of the top plate and the bottom plate more conveniently, and the liquid cooling plate can be more stable when connected with the liquid delivery mechanism inside the device shell, and the heat dissipation efficiency of the equipment is increased.

[0004] Based on the search and the prior art, it is found that the existing technology concentrates the pipeline for heat exchange on one side (such as the heat exchange structure of the server case in the above search is arranged on the rear side of the case), and various elements of the server case correspond to detection sensors such as temperature sensors, which can be observed in the BIOS background to observe the internal temperature. When the internal temperature cannot be normally cooled, damage usually occurs at the heat exchange position. If the heat exchange position is disassembled for maintenance, it is too troublesome because the entire case needs to be disassembled.

[0005] The case design proposed in the application does not need to disassemble the entire faulty case when maintaining and repairing the heat exchange position, but only needs to disassemble the heat exchange box, and a new heat exchange box can be installed to ensure that the server can continue to work normally. SUMMARY

[0006] A liquid-cooled server case convenient to maintain and disassemble is provided to solve the problems in the background art.

[0007] The technical scheme of the present application is: a liquid cooling server case convenient to maintain and disassemble, comprising a quick-release liquid cooling case: the quick-release liquid cooling case is divided into an upper case and a lower case; a fixing mechanism for fixing the upper case and the lower case is arranged between the upper case and the lower case, quick connector sub-heads are arranged at both ends of a first heat exchange pipe in the lower case, and female heads matched with the quick connector sub-heads are arranged on a second communication pipe and a third communication pipe of a second heat exchange pipe in the upper case; The liquid leakage prevention assembly is composed of a liquid suction structure and a negative pressure structure; the outer sides of the two quick connector sub-heads are provided with the liquid suction structure, and the top of the lower case is provided with the negative pressure structure for generating negative pressure in the two liquid suction structures.

[0008] Further, a first heat exchange pipe with a continuous S-shaped path is fixed at the inner top of the lower case, both ends of the first heat exchange pipe are vertically bent upwards and extend out of the top of the lower case, and quick connector sub-heads are fixedly arranged at both ends of the first heat exchange pipe and communicate with the first heat exchange pipe; a second heat exchange pipe with a continuous S-shaped path is fixed in the upper case; a second communication pipe is fixed to the other end of the second heat exchange pipe and communicates with the second heat exchange pipe; a silent pump is fixed in the upper case, the inlet end of the silent pump communicates with one end of the second heat exchange pipe; a third communication pipe is fixed to the outlet end of the silent pump; one end of the second communication pipe and the third communication pipe is fixedly provided with a quick connector female head which communicates with the second communication pipe and the third communication pipe, the quick connector sub-head and the quick connector female head communicate with each other, and the quick connector sub-head and the quick connector female head form a complete quick connector, which is improved by a quick connector with a ball self-locking sleeve, and the ball self-locking sleeve on the quick connector female head is removed.

[0009] Further, the liquid suction structure comprises a cylinder, the cylinder is entirely sleeved on the outer side of the quick connector sub-head, and the bottom of the cylinder is provided with a guide bucket which is integrated with the cylinder and has a bucket mouth offset to one side.

[0010] Further, the negative pressure structure comprises a fixing frame and a hollow cylinder, the bottom of the fixing frame is fixed to the outer top of the upper case, the fixing frame is fixed to the hollow cylinder, the bottom of the hollow cylinder is provided with a liquid guide bucket which is integrated with the hollow cylinder and has a bucket mouth offset to one side, the bucket mouth of the liquid guide bucket is fixedly provided with a one-way discharge valve which communicates with the liquid guide bucket, the outer bottom of the liquid guide bucket is fixedly provided with two one-way inlet valves which communicate with the liquid guide bucket, one end of each of the two one-way inlet valves is fixedly provided with a first communication pipe which communicates with the one-way inlet valve, and one end of each of the two first communication pipes respectively communicates with the two guide buckets.

[0011] Further, a limiting ring is fixed in the hollow cylinder and coaxially arranged with the hollow cylinder, a piston plate is slidably arranged in the hollow cylinder and located above the limiting ring, a spring is arranged between the piston plate and the limiting ring, both ends of the spring are in contact with the limiting ring and the piston plate, a piston rod is slidably inserted into the top of the hollow cylinder, and the bottom end of the piston rod is fixed to the piston plate.

[0012] Further, the fixing mechanism comprises locking structures, the locking structures comprise two positioning ears, two butt ears, two threaded columns and two butterfly nuts, outer sides of the two positioning ears are fixed at two side top portions of the lower case respectively, outer sides of the two butt ears are fixed at two side top portions of the upper case respectively, the outer sides of the two butt ears are provided with through holes respectively, one ends of the two threaded columns are fixed on the positioning ears respectively, the other ends of the two threaded columns pass through the through holes of the two butt ears respectively, the outer sides of the two threaded columns are connected with the butterfly nuts through threads, and the butterfly nuts make the butt ears contact with the positioning ears by pressing the butt ears.

[0013] Further, the fixing mechanism further comprises a plurality of positioning structures, the plurality of positioning structures are uniformly distributed on two sides of the case, the positioning structure comprises an insertion strip and a positioning block, one end of the insertion strip is fixed with the upper case, and the positioning block is fixed with the lower case, an outer side of the positioning block is provided with a through opening matched with the insertion strip, and the other end of the insertion strip is slidably inserted into the through opening.

[0014] Further, an inner side of one end of the upper case is provided with a heat dissipation assembly for heat dissipation, and the second heat exchange pipe is arranged adjacent to the heat dissipation assembly, the heat dissipation assembly comprises a plurality of heat dissipation fans, the heat dissipation fans are fixed with the upper case, one end of the upper case is provided with a plurality of ventilation openings, and the plurality of heat dissipation fans are one-to-one aligned with the plurality of ventilation openings.

[0015] Compared with the prior art, the present application has the following advantages: The fixing mechanism is designed by separating the upper case from the lower case, so that the server can be disassembled conveniently and quickly, the first heat exchange pipe in the lower case is provided with quick connector subheads at both ends, the second communication pipe and the third communication pipe on the second heat exchange pipe in the upper case are provided with female heads matched with the quick connector subheads, and when the heat exchange box needs to be repaired or overhauled, the heat exchange box can be disassembled, and a new heat exchange box can be installed at the same time, so that the server can continue to work normally. The liquid leakage prevention effect is good: each quick connector of the present application is provided with a liquid suction structure on the outer side, and the liquid suction structures share one negative pressure structure, when the quick connector subhead and the female head are separated, the negative pressure structure generates negative pressure in each liquid suction structure, and the liquid flowing out is sucked into the negative pressure cylinder, thereby effectively preventing liquid leakage. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole first perspective three-dimensional structure schematic diagram of the present application; Figure 2 It is a whole second perspective three-dimensional structure schematic diagram of the present application; Figure 3 It is an enlarged structure schematic diagram of A in the present application; Figure 2 Figure 4 ​This is a three-dimensional structural diagram of the lower chassis of the present invention; Figure 5 This is a schematic diagram of the installation of the first heat exchange tube of the present invention; Figure 6 This is a three-dimensional structural diagram of the negative pressure structure of the present invention; Figure 7 This is a cross-sectional view of the negative pressure structure of the present invention; Figure 8 This is a three-dimensional structural diagram of the liquid absorption structure of the present invention; Figure 9 This is a first-view perspective three-dimensional structural diagram of the interior of the upper chassis of the present invention; Figure 10 This is a two-dimensional structural diagram of the interior of the upper chassis of the present invention from a second perspective.

[0017] Figure label: 1. Lower chassis; 2. Upper chassis; 3. Positioning structure; 4. Locking structure; 5. Insert strip; 6. Positioning block; 7. Positioning ear; 8. Connecting ear; 9. Threaded post; 10. Butterfly nut; 11. Negative pressure structure; 12. Fixing bracket; 13. First connecting pipe; 14. Liquid suction structure; 15. Quick connector female head; 16. First heat exchange tube; 17. Hollow cylinder; 18. Liquid guide hopper; 19. One-way discharge valve; 20. One-way inlet valve; 21. Piston rod; 22. Piston plate; 23. Spring; 24. Limiting ring; 25. Quick connector female head; 26. Cylinder; 27. Discharge hopper; 28. Second connecting pipe; 29. ​​Third connecting pipe; 30. Silent pump; 31. Cooling fan; 32. Second heat exchange tube. Detailed Implementation

[0018] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0019] This invention provides a liquid-cooled server chassis that is easy to maintain and disassemble, comprising the following units: Unit 1, quick-release liquid-cooled chassis, which is divided into upper chassis 2 and lower chassis 1; like Figure 1 , 4 As shown in Figures 5, 9, and 10, a first heat exchange tube 16 with a continuous S-shaped path is fixed at the top of the interior of the lower casing 1. Both ends of the first heat exchange tube 16 are bent vertically upward and extend out of the top of the lower casing 1. Liquid flows into the first heat exchange tube 16 and absorbs the heat generated inside the lower casing 1. Quick connectors 15 are fixedly installed at both ends of the first heat exchange tube 16 and are connected to it. The second heat exchange pipe 32 with a continuous S-shaped path is fixed in the upper machine box 2; the other end of the second heat exchange pipe 32 is fixed with the second communication pipe 28 in communication therewith; the inside of the upper machine box 2 is fixed with the mute pump 30, the inlet end of the mute pump 30 is in communication with one end of the second heat exchange pipe 32; the outlet end of the mute pump 30 is fixed with the third communication pipe 29; Wherein, the second communication pipe 28 and one end of the third communication pipe 29 are both fixed with the female head 25 in communication therewith, the male head 15 is in communication with the female head 25, it is supplemented here that the male head 15 and the female head 25 constitute a complete quick connector, the quick connector is improved with a quick connector with a ball self-locking sleeve, the ball self-locking sleeve on the female head 25 of the quick connector is removed; Through the above connection relationship, it can be known that the upper machine box 2 and the lower machine box 1 are two independent individuals, and a fixing mechanism for fixing the two is arranged between the two, the first heat exchange pipe 16 in the lower machine box 1 is both ends of which are installed with the male head 15, the second communication pipe 28 and the third communication pipe 29 on the second heat exchange pipe 32 in the upper machine box 2 are both installed with the female head matched with the male head 15, when the heat exchange is maintained and repaired, only the heat exchange box needs to be disassembled, and a new heat exchange box can be installed to ensure that the server can continue to work normally.

[0020] Unit 2, liquid leakage prevention assembly. Composed of liquid suction structure, negative pressure structure; Specifically, combined with the accompanying Figure 4 -Appendix Figure 10 As shown, the outer sides of the two male heads 15 are both provided with the liquid suction structure 14, the liquid suction structure 14 includes the cylinder 26, the whole of the cylinder 26 is sleeved on the outer side of the male head 15, the bottom of the cylinder 26 is provided with the guide hopper 27 in an integral structure, the hopper mouth of the guide hopper 27 is offset to one side, the top of the lower machine box 1 is provided with the negative pressure structure 11 for generating negative pressure for the two liquid suction structures 14, the negative pressure structure 11 includes the fixed frame 12 and the hollow cylinder 17, the bottom of the fixed frame 12 is fixed on the outer top of the upper machine box 2, the fixed frame 12 is fixed with the hollow cylinder 17, the bottom of the hollow cylinder 17 is provided with the liquid guide hopper 18 in an integral structure, the hopper mouth of the liquid guide hopper 18 is offset to one side, the hopper mouth of the liquid guide hopper 18 is fixedly installed with the one-way discharge valve 19 in communication therewith, the outer bottom of the liquid guide hopper 18 is fixed with the two one-way inlet valves 20 in communication therewith, one end of the two one-way inlet valves 20 is both fixed with the first communication pipe 13 in communication therewith, one end of the two first communication pipes 13 is respectively in fixed communication with the two guide hoppers; Through the above connection relationship can be known: the machine box 2 is removed vertically, the female quick connector 25 on the second communication pipe 28 and the third communication pipe 29 is separated from the male quick connector 15 on the first heat exchange pipe 16, the male and female connectors can be self-sealed when separated (the self-sealing principle is prior art, which will not be described in detail), and part of the liquid will flow out when the male and female connectors are separated, thereby entering the cylinder 26 of the liquid suction structure 14, so that the liquid is concentrated at the bottom of the guide bucket 27.

[0021] Specifically, as shown in Figs. 1-3, Figure 6 and Figs. 4-6, Figure 7 It is shown that the inside of the hollow cylinder 17 is fixed with a limiting ring 24 coaxially arranged therein, the inside of the hollow cylinder 17 is slidably provided with a piston plate 22, the piston plate 22 is located above the limiting ring 24, a spring 23 is arranged between the piston plate 22 and the limiting ring 24, the two ends of the spring 23 are in contact with the limiting ring 24 and the piston plate 22 respectively, and the top of the hollow cylinder 17 is slidably inserted with a piston rod 21, and the bottom end of the piston rod 21 is fixed with the piston plate 22. Through the above connection relationship can be known: when the machine box 2 is vertically removed, the spring 23 is pushed upward, the spring 23 pushes the piston plate 22 to move upward, so that the hollow cylinder 17 generates negative pressure, the hollow cylinder 17 sucks the liquid concentrated at the bottom of the guide bucket 27 through the one-way inlet valve 20 and the first communication pipe 13 connected with the one-way inlet valve 20, and the liquid is concentrated at the bottom of the liquid guide bucket 18 below the hollow cylinder 17.

[0022] Unit 3, fixing mechanism, the machine box 2 and the lower machine box 1 are fixed through the fixing mechanism; Specifically, as shown in Figs. 1-3, Figure 2 and Figs. 4-6, Figure 3 It is shown that the fixing mechanism includes a locking structure 4, the locking structure 4 includes two positioning ears 7, two butt ears 8, two threaded columns 9 and two butterfly nuts 10, the outer sides of the two positioning ears 7 are fixed on the top of the two sides of the lower machine box 1 respectively, the outer sides of the two butt ears 8 are fixed on the top of the two sides of the machine box 2 respectively, the outer sides of the two butt ears 8 are provided with through holes respectively, one end of the two threaded columns 9 is fixed on the positioning ear 7 respectively, the other end of the two threaded columns 9 passes through the through hole of the two butt ears 8 respectively, the outer sides of the two threaded columns 9 are connected with the butterfly nut 10 through threads, and the butterfly nut 10 makes the butt ear 8 in contact with the positioning ear 7 by pressing the butt ear 8. Through the above connection relationship can be known: manually twist the butterfly nut 10, move the butterfly nut 10 upward along the threaded column 9, until the butterfly nut 10 is removed, and then the machine box 2 is vertically removed.

[0023] Specifically, as shown in Figs. 1-3, Figure 3As shown, the fixing mechanism further includes a plurality of positioning structures 3 evenly distributed on both sides of the cabinet, the positioning structure 3 including a plug strip 5 and a positioning block 6, one end of the plug strip 5 being fixed with the upper cabinet 2, and the positioning block 6 being fixed with the lower cabinet 1, the outer side of the positioning block 6 being provided with a through opening matched with the plug strip 5, the other end of the plug strip 5 being slidably inserted into the through opening; It can be known from the above connection relationship that the positioning structure 3 is arranged to stably connect the upper cabinet 2 and the lower cabinet 1, and the positioning structure 3 can assist in positioning when the upper cabinet 2 and the lower cabinet 1 are installed with each other.

[0024] Specifically, combined with the accompanying drawings, Figure 9 and the accompanying drawings, Figure 10 As shown, the inner side of one end of the upper cabinet 2 is provided with a heat dissipation assembly for heat dissipation, and the second heat exchange pipe 32 is arranged adjacent to the heat dissipation assembly, the heat dissipation assembly including a plurality of heat dissipation fans 31 fixed with the upper cabinet 2, and the upper cabinet 2 being provided with a plurality of ventilation openings at one end, and the plurality of heat dissipation fans 31 being one-to-one aligned with the plurality of ventilation openings. It can be known from the above connection relationship that the heat dissipation fan 31 leads the internal airflow of the upper cabinet 2 outwards, and the liquid heat of the second heat exchange pipe 32 is led outwards, so as to cool the liquid in the second heat exchange pipe 32.

[0025] Working principle: The lower cabinet 1 is mainly used for computing work, so the electric elements such as a graphics card are installed in the lower cabinet 1. The upper cabinet 2 is mainly used for heat dissipation, so the heat dissipation fan 31, the silent pump 30, the second heat exchange pipe 32 and other structures are installed in the upper cabinet 2. When disassembling, the entire cabinet is placed on a horizontal place such as a table, and the lower cabinet 1 is located below the upper cabinet 2, the butterfly nut 10 is manually twisted to move upwards along the threaded column 9 until the butterfly nut 10 is removed, and then the upper cabinet 2 is vertically moved out, at this time, the female quick connector head 25 on the second communication pipe 28 and the third communication pipe 29 is separated from the male quick connector head 15 on the first heat exchange pipe 16, and the male and female connector heads can be self-sealed when separated (the self-sealing principle is prior art, which will not be described in detail), and when separated, part of the liquid will flow out to enter the cylinder 26 of the liquid suction structure 14, so that the liquid is concentrated at the bottom of the guide-out hopper 27, and when the lower cabinet 1 is separated from the upper cabinet 2, the spring 23 is upwardly pushed, the spring 23 pushes the piston plate 22 to move upwards, so that the hollow cylinder 17 generates negative pressure, and the hollow cylinder 17 sucks the liquid concentrated at the bottom of the guide-out hopper 27 through the one-way inlet valve 20 and the first communication pipe 13 connected with the one-way inlet valve 20, at this time, the liquid is concentrated at the bottom of the liquid guide hopper 18 below the hollow cylinder 17. When the upper machine box 2 is completely separated from the lower machine box 1, a small basin can be placed under the one-way discharge valve 19, and the piston rod 21 is pressed downward, the piston rod 21 moves downward through the piston plate 22, and the liquid in the negative pressure structure 11 flows out from the one-way discharge valve 19, thereby flowing into the small basin, thereby recycling the liquid; After the liquid is recycled, a new upper machine box 2 is installed, at this time the piston rod 21 contacts the top in the upper machine box 2, the piston rod 21 moves downward through the piston plate 22, and the hollow cylinder 17 in the negative pressure structure 11 air flows out from the one-way discharge valve 19, thereby ensuring that the negative pressure structure 11 can work normally next time when it is disassembled.

[0026] The above is only the best embodiment of the present application, but the present application is not limited to the above-mentioned embodiments, the specific embodiments described above are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which are all within the protection of the present application.

Claims

1. A liquid-cooled server chassis that is easy to maintain and disassemble, characterized in that, include: Quick-release liquid cooling chassis: The quick-release liquid cooling chassis is divided into an upper chassis (2) and a lower chassis (1). A fixing mechanism is provided between the upper casing (2) and the lower casing (1) to fix the two together. The first heat exchange tube (16) in the lower casing (1) is equipped with quick connector heads (15) at both ends. The second connecting pipe (28) and the third connecting pipe (29) on the second heat exchange tube (32) in the upper casing (2) are equipped with female heads that are compatible with the quick connector heads (15). Leakage prevention assembly: It consists of a liquid absorption structure (14) and a negative pressure structure (11); the outer side of the two quick connector heads (15) is provided with a liquid absorption structure (14), and the top of the lower casing (1) is provided with a negative pressure structure (11) that generates negative pressure in the two liquid absorption structures (14).

2. The liquid-cooled server chassis for easy maintenance and disassembly according to claim 1, characterized in that, The lower casing (1) has a first heat exchange tube (16) with a continuous S-shaped path fixed at the top inside, and both ends of the first heat exchange tube (16) are bent vertically upward and extend out of the top of the lower casing (1). Both ends of the first heat exchange tube (16) are fixedly installed with quick connectors (15) connected to it. The upper casing (2) has a second heat exchange tube (32) with a continuous S-shaped path fixed inside. The other end of the second heat exchange tube (32) is fixed with a second connecting pipe (28) connected to it. The upper casing (2) has a silent pump (30) fixed inside. The silent pump (30) enters... One end of the second heat exchange tube (32) is connected to the other end of the third heat exchange tube (32); the discharge end of the silent pump (30) is fixed with a third connecting pipe (29); wherein, one end of the second connecting pipe (28) and the third connecting pipe (29) is fixed with a quick connector female head (25) connected to it, the quick connector male head (15) and the quick connector female head (25) are connected to each other, and the quick connector male head (15) and the quick connector female head (25) together form a complete quick connector. This quick connector is an improvement on the quick connector with a ball self-locking sleeve, which is to remove the ball self-locking sleeve on the quick connector female head (25) that should have a ball self-locking sleeve.

3. The liquid-cooled server chassis for easy maintenance and disassembly according to claim 2, characterized in that, The liquid suction structure (14) includes a cylinder (26), which is fitted on the outside of the quick connector head (15). The bottom of the cylinder (26) is provided with an integral outlet bucket (27), and the opening of the outlet bucket (27) is offset to one side.

4. A liquid-cooled server chassis that is easy to maintain and disassemble according to claim 1, 2, or 3, characterized in that, The negative pressure structure (11) includes a fixed frame (12) and a hollow cylinder (17). The bottom of the fixed frame (12) is fixed to the top of the outer side of the upper casing (2). The fixed frame (12) is fixed to the hollow cylinder (17). The bottom of the hollow cylinder (17) is provided with a liquid guide hopper (18) that is integral with it. The opening of the liquid guide hopper (18) is offset to one side. The opening of the liquid guide hopper (18) is fixedly installed with a one-way discharge valve (19) that is connected to it. The bottom of the outer side of the liquid guide hopper (18) is fixed with two one-way inlet valves (20) that are connected to it. One end of each of the two one-way inlet valves (20) is fixed with a first connecting pipe (13) that is connected to it. One end of each of the two first connecting pipes (13) is fixedly connected to the two guide hoppers respectively.

5. A liquid-cooled server chassis that is easy to maintain and disassemble according to claim 4, characterized in that, The hollow cylinder (17) has a limiting ring (24) fixed inside it and coaxially arranged therewith. A piston plate (22) is slidably arranged inside the hollow cylinder (17). The piston plate (22) is located above the limiting ring (24). A spring (23) is arranged between the piston plate (22) and the limiting ring (24). The two ends of the spring (23) are in contact with the limiting ring (24) and the piston plate (22) respectively. A piston rod (21) is slidably inserted into the top of the hollow cylinder (17). The bottom end of the piston rod (21) is fixed to the piston plate (22).

6. A liquid-cooled server chassis that is easy to maintain and disassemble according to claim 1, 2, or 3, characterized in that, The fixing mechanism includes a locking structure (4), which includes two positioning ears (7), two docking ears (8), two threaded pins (9), and two butterfly nuts (10). The outer sides of the two positioning ears (7) are fixed to the top of both sides of the lower housing (1), and the outer sides of the two docking ears (8) are fixed to the top of both sides of the upper housing (2). The outer sides of the two docking ears (8) are provided with through holes. One end of the two threaded pins (9) is fixed to the positioning ears (7), and the other end of the two threaded pins (9) passes through the through holes of the two docking ears (8). The outer sides of the two threaded pins (9) are connected to the butterfly nuts (10) by threads. The butterfly nuts (10) press the docking ears (8) to make the docking ears (8) contact the positioning ears (7).

7. A liquid-cooled server chassis that is easy to maintain and disassemble according to claim 6, characterized in that, The fixing mechanism also includes multiple positioning structures (3), which are evenly distributed on both sides of the chassis. Each positioning structure (3) includes a strip (5) and a positioning block (6). One end of the strip (5) is fixed to the upper chassis (2), and the positioning block (6) is fixed to the lower chassis (1). The outer side of the positioning block (6) is provided with a through-hole that is compatible with the strip (5), and the other end of the strip (5) is slidably inserted into the through-hole.

8. A liquid-cooled server chassis that is easy to maintain and disassemble according to claim 1, 2, or 3, characterized in that, The upper chassis (2) is provided with a heat dissipation component inside one end, and the second heat exchange pipe (32) is arranged adjacent to the heat dissipation component. The heat dissipation component includes multiple heat dissipation fans (31), which are fixed to the upper chassis (2). Multiple ventilation openings are provided at one end of the upper chassis (2), and the multiple heat dissipation fans (31) are aligned one-to-one with the multiple ventilation openings.

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