A chassis plug-in mechanism and method

Abstract

The application discloses a kind of machine case plug-in mechanism and method, belong to rack technical field.The mechanism includes rack, fast lock tray, cold plate, wedge strip assembly, machine case and locking assembly.Cold plate is movably arranged in fast lock tray, and wedge strip assembly is installed in the bottom wall of the inner cavity of rack for driving cold plate to lift up.Machine case and rack are provided with three-level guide structure: the first level guide is formed by machine case guide pin and tray guide hole, the second level guide is formed by rectangular connector guide pin and rectangular connector guide hole, and the third level guide is formed by rectangular connector plug shell and socket shell.After machine case is inserted and locked, wedge strip assembly drives cold plate to rise and adhere to radiate;before being removed, wedge strip assembly makes cold plate to drop and separate.Locking assembly realizes fast locking without screw.The application avoids scratching by liftable cold plate, realizes compact and reliable drive by the slope transmission and gravity drop of wedge strip assembly, and significantly improves the integration of mobile platform rack.

Description

Technical Field

[0001] This invention relates to the field of cabinet technology, and in particular to a cabinet insertion mechanism and method for use in mobile platform equipment. Background Technology

[0002] Electronic equipment on mobile platforms (such as vehicles, ships, and aircraft) is typically installed in integrated cabinets. As mobile platforms become increasingly complex and the number of internal electronic devices continues to rise, higher demands are placed on cabinet space utilization, heat dissipation efficiency, and ease of equipment installation and maintenance. To meet these requirements, cabinets need to be able to accommodate multiple chassis with high integration and achieve centralized management and heat dissipation.

[0003] In existing technologies, chassis insertion into server racks typically employs a single guiding structure (such as a slide rail). This can easily lead to misalignment during insertion, causing connector damage and affecting electrical connection reliability. Furthermore, to meet heat dissipation requirements, some solutions use a cold plate directly attached to the chassis for heat dissipation. However, traditional cold plates are usually fixed inside the rack, and the chassis directly rubs against the cold plate surface during insertion or removal, easily scratching the cold plate or chassis surface, affecting heat dissipation efficiency and equipment lifespan. In addition, existing technologies often use screws to secure chassis, which is cumbersome, especially in scenarios with a large number of chassis or frequent replacement and maintenance, resulting in low assembly and maintenance efficiency.

[0004] For cold plate lifting drive mechanisms, common solutions in existing technologies include pneumatic cylinders, hydraulic cylinders, or screw lifting mechanisms. However, these mechanisms are often complex in structure, occupy a large space, and are not suitable for the compactness, reliability, and lack of external power source requirements of mobile platforms. Furthermore, how to ensure step-by-step guidance and avoid jamming during insertion and removal using multi-stage guide structures is also an area that needs improvement.

[0005] Therefore, how to provide a chassis insertion mechanism that can improve the accuracy of chassis insertion, avoid scratches on cold plates, enable rapid loading and unloading, and is compact and easy to operate has become a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0006] The main objective of this invention is to propose a chassis insertion mechanism and method to achieve high-precision multi-level guiding fit between the chassis and the cabinet, adjustable cold plate to avoid scratches, and rapid locking and releasing of the chassis, thereby improving the space utilization, integration, heat dissipation reliability and maintenance efficiency of the cabinet, and solving at least the above-mentioned technical problems.

[0007] To achieve the above objectives, the present invention proposes a chassis insertion mechanism, comprising: a cabinet; a quick-lock tray, fixedly installed inside the cabinet; a cold plate, movably disposed within the quick-lock tray and capable of moving up and down within the quick-lock tray; a wedge-shaped strip assembly, installed on the bottom wall of the cabinet cavity, for driving the cold plate to rise or fall; a chassis, capable of being inserted into or removed from the cabinet cavity; and further comprising a three-stage guide structure; a locking assembly, disposed on the chassis and the quick-lock tray, for locking the chassis in place; specifically, the three-stage guide structure comprises: Primary guide structure: It is formed by the cooperation of the chassis guide pin set on the chassis and the tray guide hole set on the quick-lock tray; Secondary guide structure: It is formed by the cooperation of a rectangular connector guide pin set on the chassis and a rectangular connector guide hole set on the cabinet; Three-level guide structure: It is formed by the cooperation of the rectangular connector plug housing of the chassis and the rectangular connector socket housing of the cabinet; By adopting the above-mentioned three-level guiding structure, the guiding actions are triggered sequentially during the chassis insertion process, realizing progressive guidance from coarse positioning to fine positioning and then to final docking. This effectively avoids jamming or alignment failure caused by a single guide, significantly improves the fitting accuracy between the chassis and the cabinet, prevents connector damage, and is particularly suitable for reliable insertion and removal in the vibration environment of mobile platforms.

[0008] After the chassis is inserted into the cabinet and locked, the cold plate can rise under the drive of the wedge-shaped strip assembly to fit against the bottom of the chassis, achieving heat dissipation contact; before the chassis is removed, the wedge-shaped strip assembly can reverse the direction to drive the cold plate down, causing the cold plate to detach from the bottom of the chassis.

[0009] By adopting the above structure, the cold plate only rises and fits after the chassis is installed and locked in place, avoiding friction and scratches during the insertion and removal process; at the same time, it is lowered and separated before removal, further protecting the surface of the cold plate and the bottom of the chassis, extending the equipment life, and ensuring the flatness and heat conduction efficiency of the heat dissipation bonding surface.

[0010] Preferably, the wedge-shaped strip assembly includes: a strip plate; a fixed block, fixedly disposed at the middle position of the top surface of the strip plate; a double-ended screw, the middle part of which is rotatably engaged with the fixed block; two movable blocks, each screwed onto the studs at both ends of the double-ended screw, with the bottom surface of the movable blocks slidably engaged with the top surface of the strip plate; and a wedge block disposed between the fixed block and the movable blocks, with the inclined surfaces at both ends of the wedge block slidably engaged with the inclined surfaces of the fixed block and the movable blocks, respectively. When the double-ended screw drives the two movable blocks to move closer together, it drives the wedge block to rise; when the double-ended screw drives the two movable blocks to move away from each other, the wedge block descends by its own weight. Utilizing the principle of inclined planes, rotational motion is converted into linear lifting motion, resulting in a compact structure and high transmission efficiency. The descent process relies entirely on gravity, eliminating the need for reverse driving force, simplifying operation and reducing the failure rate. The two ends of the double-headed screw synchronously drive two moving blocks, ensuring uniform force on the wedge blocks and smooth lifting. The entire assembly requires no external power source (such as compressed air or hydraulic oil), making it particularly suitable for mobile platforms in environments with no auxiliary power or limited space.

[0011] Preferably, the wedge block has a through hole with a rectangular cross-section; the double-ended screw passes through the through hole, and the height of the through hole is greater than the outer diameter of the double-ended screw. By providing the through hole, the wedge block can be fitted onto the double-ended screw, preventing it from falling off. The height of the through hole being greater than the outer diameter of the double-ended screw provides space for the wedge block to move up and down, avoiding interference.

[0012] Preferably, a hexagonal countersunk hole is provided at the end of the double-ended screw, which is used to mate with an Allen wrench. The double-ended screw can be driven to rotate using a standard Allen wrench, making the tool highly versatile.

[0013] Preferably, the length of the chassis guide pin is greater than the length of the rectangular connector guide pin, so that during chassis insertion, the primary guide structure takes precedence over the secondary guide structure in engagement. This length difference enables timing control of the guidance, ensuring that the coarse guide engages first, followed by the fine guide, forming an orderly and progressive guiding process. This avoids jamming caused by simultaneous docking and improves the insertion success rate.

[0014] Preferably, the locking assembly includes: a handle, securely mounted on the front face of the chassis; a locking rod, hinged to the handle, with a locking hook at its lower end; and a locking buckle, securely mounted on a quick-lock tray. When the locking assembly is in the locked state, the locking rod rotates to a vertical position, and the locking hook at the lower end of the locking rod engages with the locking buckle, while the upper part of the locking rod is embedded in the groove of the handle. When the locking assembly is in the unlocked state, the locking rod rotates to a horizontal position, and the locking hook at the lower end of the locking rod separates from the locking buckle. By using this locking assembly, quick locking and unlocking can be achieved without screws, making operation convenient; after locking, the locking rod is embedded in the groove of the handle, with a flat surface and no protrusions, avoiding accidental unlocking; the handle also serves as the force point for pushing and pulling the chassis and the carrier of the locking mechanism, demonstrating a high degree of functional integration.

[0015] Preferably, the quick-lock tray is equipped with guide rails, and the chassis is placed on the guide rails to push in or pull out of the cabinet. The guide rails provide low-friction support and guidance, further reducing insertion and removal resistance and protecting the surfaces of the chassis and cabinet.

[0016] Preferably, the cold plate is provided with a pipe joint for connecting to a coolant circulation pipeline. This enables quick connection between the cold plate and the external cooling system, facilitating maintenance and replacement.

[0017] The present invention also provides a chassis insertion method based on the above-described chassis insertion mechanism, comprising the following steps: S1. The chassis is pushed into the cabinet by sequentially connecting the primary guide, secondary guide and tertiary guide structures; S2. After the chassis is inserted into place, the locking assembly is engaged to lock the chassis inside the cabinet. S3. Adjust the wedge-shaped strip assembly to drive the cold plate to rise until the upper surface of the cold plate is in contact with the bottom of the chassis to dissipate heat from the chassis; S4. When it is necessary to remove the chassis, first loosen the locking assembly, then adjust the wedge strip assembly to lower the height of the cold plate so that the cold plate is separated from the chassis, and finally pull the chassis out of the cabinet.

[0018] The above solution organically integrates steps such as guide insertion, locking, cold plate bonding, separation, and extraction to form a standardized operating procedure, reducing the difficulty of operation, improving assembly and maintenance efficiency, and ensuring heat dissipation reliability.

[0019] Preferably, in the step of adjusting the wedge-shaped strip assembly, two Allen wrenches are used simultaneously to operate the two wedge-shaped strip assemblies synchronously, so as to drive the cold plate to rise and fall evenly. Synchronous operation ensures that the cold plate is subjected to uniform force on both sides, does not tilt during rising and falling, ensures parallel contact with the bottom of the chassis, and avoids poor heat dissipation caused by point contact or line contact.

[0020] Due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows: (1) The cold plate can be raised and lowered to avoid scratches: The cold plate is driven to rise and fall by the wedge strip assembly, so that it can be closely attached to the heat dissipation when the chassis is working and separated before being removed, thus completely avoiding friction and scratches during the insertion and removal process, extending the service life of the cold plate and the chassis, and ensuring the flatness and heat conduction efficiency of the heat dissipation surface.

[0021] (2) Three-level guidance high-precision installation: Through the first-level guidance of the chassis guide pin and the tray guide hole, the second-level guidance of the rectangular connector guide pin and the guide hole, and the third-level guidance of the rectangular connector plug housing and the socket housing, the positioning from coarse to fine is realized, which significantly improves the fitting accuracy, prevents connector damage, and ensures the long-term reliability of electrical connection even in high vibration environment.

[0022] (3) Quick locking and unlocking: By using the combination of the handle, locking rod and locking buckle of the locking component, the chassis can be locked or unlocked in a few seconds without any tools. The operation is intuitive and labor-saving, which greatly improves the efficiency of assembly and maintenance, and is especially suitable for scenarios that require frequent chassis replacement.

[0023] (4) The wedge strip assembly has a compact structure: it adopts a double-headed screw, movable block, fixed block and wedge block inclined surface cooperation structure, and uses gravity to achieve automatic descent. It does not require compressed air or hydraulic source, the structure is simple and reliable, occupies little space, and is particularly suitable for mobile platforms with limited space and no auxiliary power. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the chassis and cabinet structure in this invention. Figure 1 .

[0026] Figure 2 This is a schematic diagram of the chassis and cabinet structure in this invention. Figure 2 .

[0027] Figure 3 This is a schematic diagram of the cabinet structure after the side panels are removed in this invention.

[0028] Figure 4 This is a schematic diagram of the cabinet after one chassis has been removed in this invention.

[0029] Figure 5 This is an exploded view of the chassis and cabinet in this invention.

[0030] Figure 6 This is a schematic diagram of the wedge-shaped strip assembly in this invention.

[0031] Figure 7 This is a schematic diagram of the rear decoupling strand of the chassis in this invention.

[0032] Figure 8 This is a schematic diagram of the locking assembly in this invention.

[0033] Reference numerals: 1. Cabinet; 2. Chassis; 3. Chassis guide pin; 4. Rectangular connector guide pin; 5. Quick-lock tray; 6. Tray guide hole; 7. Rectangular connector guide hole; 8. Cold plate; 9. Guide rail; 10. Wedge strip assembly; 10a. Strip plate; 10b. Fixing block; 10c. Double-ended screw; 10d. Movable block; 10e. Wedge block; 10f. Through hole; 10g. Hexagonal countersunk hole; 11. Pipe fitting; 12. Locking assembly; 12a. Handle; 12b. Locking rod; 12c. Locking buckle; 13. Rectangular connector plug housing. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0036] like Figures 1 to 8 As shown, this embodiment provides a chassis insertion mechanism and its insertion method. This mechanism is mainly used in integrated electronic equipment cabinets on mobile platforms such as vehicles, ships, or aircraft.

[0037] I. Overall Structure The chassis insertion mechanism includes: cabinet 1, quick-lock tray 5, cold plate 8, wedge strip assembly 10, chassis 2, and locking assembly 12.

[0038] Cabinet 1 serves as the supporting framework for the entire structure, containing multiple installation stations to accommodate chassis 2 with different functions. The bottom wall of the inner cavity of cabinet 1 provides the mounting base for the wedge-shaped strip assembly 10.

[0039] The quick-lock tray 5 is fixedly installed inside the cabinet 1. As the direct load-bearing structure of the chassis 2, the quick-lock tray 5 has guide rails 9 and mounting positions for locking buckles 12c, and tray guide holes 6. The guide rails 9 are installed on both sides of the supporting surface of the quick-lock tray 5. The chassis 2 is placed on the guide rails 9 and pushed in or pulled out. The guide rails 9 are preferably ball bearing guides to reduce insertion and removal resistance.

[0040] The cold plate 8 is movably mounted within the quick-lock tray 5. The cold plate 8 is not fixedly installed in the quick-lock tray 5, but rather in a "floating state," meaning it can move up and down within a certain range within the tray 5. The cold plate 8 has internal coolant channels, and its inlet and outlet are equipped with pipe fittings 11 for connecting to an external coolant circulation system, thereby providing liquid cooling for the chassis 2 attached to it. The pipe fittings 11 are preferably quick-plug self-sealing fittings for easy maintenance.

[0041] The wedge-shaped strip assembly 10 is installed on the bottom wall of the inner cavity of the cabinet 1, located below the quick-lock tray 5. For example... Figure 6 As shown, the wedge-shaped strip assembly 10 specifically includes: Strip plate 10a, serving as the base for the entire assembly, is fixedly installed on the bottom wall of cabinet 1.

[0042] The fixing block 10b is fixedly installed at the middle position of the top surface of the strip plate 10a. The fixing block 10b has two bevels at both ends.

[0043] The double-ended screw 10c has a central portion that rotatably engages with the fixed block 10b, but the double-ended screw 10c cannot move axially relative to the fixed block 10b. The two ends of the double-ended screw 10c have external threads with opposite directions of rotation. A hexagonal countersunk hole 10g is provided at one end of the double-ended screw 10c for engaging with an internal hex wrench to drive the double-ended screw 10c to rotate.

[0044] There are two movable blocks 10d, which are screwed onto the studs at both ends of the double-ended screw 10c. The bottom surface of the movable block 10d slides against the top surface of the strip plate 10a, allowing the movable block 10d to move axially along the double-ended screw 10c when it rotates. Each movable block 10d has an inclined surface on the side facing the fixed block 10b.

[0045] A wedge block 10e is disposed between the fixed block 10b and the movable block 10d. Specifically, each wedge strip assembly 10 has two wedge blocks 10e. Each wedge block 10e has inclined surfaces at both ends: one inclined surface slides in engagement with the corresponding inclined surface of the fixed block 10b, and the other inclined surface slides in engagement with the corresponding inclined surface of the movable block 10d. The upper surface of the wedge block 10e is used to directly push the cold plate 8.

[0046] The wedge block 10e is also provided with a through hole 10f with a rectangular cross-section, and the double-ended screw 10c passes through the through hole 10f. The height of the through hole 10f is greater than the outer diameter of the double-ended screw 10c. This design ensures that the wedge block 10e will not interfere with the double-ended screw 10c during the lifting and lowering process, and at the same time prevents the wedge block 10e from falling off.

[0047] In this embodiment, two wedge-shaped strip assemblies 10 are installed at each chassis installation station of the cabinet 1.

[0048] Working principle of the wedge assembly 10: When the operator uses an Allen wrench (using two wrenches simultaneously inserted into the hexagonal countersunk holes 10g at the ends of the double-ended screws 10c of the two wedge assemblies 10) to rotate the double-ended screw 10c clockwise, the two movable blocks 10d move closer together (moving towards the central fixed block 10b). The inclined surface of the movable block 10d pushes the corresponding inclined surface of the wedge block 10e, while the inclined surface of the fixed block 10b also pushes the other inclined surface of the wedge block 10e, thus converting the horizontal displacement of the movable block 10d into the vertical upward displacement of the wedge block 10e, driving the wedge block 10e to rise. When the wedge block 10e rises, it pushes against the cold plate 8, causing the cold plate 8 to move upward. When the double-ended screw 10c is rotated counterclockwise, the two movable blocks 10d move away from each other, the support of the movable blocks 10d on the inclined surface of the wedge block 10e is released, and under the action of gravity, the wedge block 10e automatically descends, and the cold plate 8 also descends accordingly.

[0049] Chassis 2 is the electronic equipment unit to be installed. The rear (mating end) of chassis 2 is equipped with a chassis guide pin 3 and a rectangular connector guide pin 4, wherein the length of chassis guide pin 3 is greater than the length of rectangular connector guide pin 4. The rear of chassis 2 also integrates a rectangular connector plug housing 13, for mating with the corresponding rectangular connector socket housing (not separately labeled in the figure) on rack 1.

[0050] Locking assembly 12 is mounted on chassis 2 and quick-lock tray 5. For example... Figure 8As shown, the locking assembly 12 includes: a handle 12a, which is securely mounted on the front end face of the chassis 2 and has a groove structure; a locking rod 12b, which is hinged to the handle 12a and has a locking hook at its lower end; and a locking buckle 12c, which is securely mounted on the quick-lock tray 5 (located at the front end near the chassis entrance). When the chassis 2 is inserted into place, the operator rotates the locking rod 12b to a vertical position, and the locking hook at the lower end of the locking rod 12b engages with the locking buckle 12c. At the same time, the upper part of the locking rod 12b is embedded in the groove of the handle 12a, forming a stable locking state. When it is necessary to remove the chassis 2, the locking rod 12b is rotated in the opposite direction to a horizontal position, and the locking hook separates from the locking buckle 12c, thus unlocking the chassis. In addition, corresponding fuse holes are provided on the handle 12a and the locking rod 12b. When the locking assembly 12 is in the locked state, a fuse can be inserted through the fuse hole to prevent the locking rod 12b from rotating on its own and causing the locking to fail.

[0051] Second and third level guidance principle During the process of pushing chassis 2 into rack 1, the guide structure acts in the following sequence: Primary Guidance: Since the length of the chassis guide pin 3 is greater than that of the rectangular connector guide pin 4, the chassis guide pin 3 first contacts and inserts into the tray guide hole 6 on the quick-lock tray 5. This primary guidance provides initial coarse positioning, ensuring that the chassis 2 is inserted in the correct direction and correcting large initial alignment deviations.

[0052] Secondary guidance: As chassis 2 continues to extend deeper, the rectangular connector guide pin 4 begins to contact and insert into the rectangular connector guide hole 7 on rack 1. This primary guidance further improves positioning accuracy, preparing for the final accurate mating of the rectangular connector.

[0053] Third-stage guidance: Finally, the rectangular connector plug housing 13 of chassis 2 and the rectangular connector socket housing on rack 1 begin to guide each other and eventually fully mate. This stage of guidance ensures accurate mating of the precision terminals inside the electrical connector, avoiding terminal bending or damage caused by misalignment.

[0054] Through the step-by-step action of the above three-level guidance, the fitting accuracy between chassis 2 and cabinet 1 is greatly improved, ensuring the long-term reliability of electrical connections even on mobile platforms with harsh vibration environments.

[0055] III. Chassis Installation Method The chassis insertion method in this embodiment includes the following steps: S1. Inserting the Chassis: Place the chassis 2 on the guide rail 9 on the quick-lock tray 5, and smoothly push the chassis 2 into the cabinet 1 along the guide rail 9. During the pushing process, the chassis guide pin 3 first engages with the tray guide hole 6 (primary guidance), then the rectangular connector guide pin 4 engages with the rectangular connector guide hole 7 (secondary guidance), and finally the rectangular connector plug housing 13 engages with the socket housing (tertiary guidance) until the chassis 2 is fully inserted into the cabinet.

[0056] S2. Locking the chassis: After the chassis 2 is inserted into place, the operator rotates the locking rod 12b to a vertical position, so that the locking hook at its lower end is engaged in the locking buckle 12c on the quick lock tray 5. At the same time, the upper part of the locking rod 12b is embedded in the groove of the handle 12a, thus completing the screwless quick locking of the chassis 2.

[0057] S3. Fitting for Heat Dissipation: The operator takes two Allen wrenches and inserts them into the countersunk holes 10g of the double-ended screws 10c of the two wedge-shaped components 10, rotating them clockwise simultaneously. The double-ended screws 10c drive the two movable blocks 10d to move closer together, driving the wedge block 10e to rise, which in turn pushes the cold plate 8 to rise until the upper surface of the cold plate 8 is tightly fitted to the bottom of the chassis 2. At this time, the coolant connected through the pipe joint 11 circulates inside the cold plate 8, carrying away the heat generated by the chassis 2.

[0058] S4. Removing the Chassis: When chassis 2 needs repair or replacement, first rotate the locking rod 12b to a horizontal position to separate the locking hook from the locking buckle 12c (unlock). Then, simultaneously insert two Allen wrenches into the hexagonal countersunk holes 10g of the double-ended screws 10c of the two wedge-shaped assemblies 10, and rotate them counterclockwise to move the two movable blocks 10d away from each other. The wedge block 10e will automatically descend under gravity, and the cold plate 8 will decrease in height and detach from the bottom of chassis 2. Finally, the operator will use the guide rails 9 to smoothly pull chassis 2 out of cabinet 1.

[0059] IV. Vibration Resistance and Reliability During the operation of a mobile platform, strong vibrations and impacts occur. In the mechanism of this invention, after the chassis 2 is inserted, it achieves precise positioning through a three-stage guide, then achieves rapid locking through the locking assembly 12, and finally pushes the cold plate 8 against the bottom of the chassis 2 through the wedge strip assembly 10. The tight fit between the cold plate 8 and the bottom of the chassis 2 increases the support points of the chassis 2, reduces the cantilever effect, and improves the vibration resistance of the overall structure. At the same time, the threads of the double-ended screw 10c have self-locking characteristics (the thread helix angle is less than the friction angle), and will not loosen on its own under vibration, ensuring the continuous contact pressure between the cold plate 8 and the chassis 2. In addition, all guide holes and guide pins can be made of wear-resistant materials or surface-hardened to ensure the retention of accuracy after long-term insertion and removal.

[0060] V. Industrial Applicability The chassis mounting mechanism and method provided by this invention can be widely applied to electronic equipment cabinets on various mobile platforms (such as vehicles, ships, and aircraft), and are particularly suitable for special vehicles, shipborne equipment, avionics equipment, and other fields that have high requirements for space utilization, heat dissipation efficiency, ease of installation and maintenance, and seismic reliability. This invention features a compact structure, simple operation, and controllable manufacturing costs, and has good industrial applicability.

[0061] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A chassis insertion mechanism, characterized in that, include: Server rack (1); The quick-lock tray (5) is fixedly installed inside the cabinet (1); The cold plate (8) is movably disposed within the quick-lock tray (5) and can move up and down within the quick-lock tray (5); A wedge-shaped strip assembly (10) is installed on the bottom wall of the inner cavity of the cabinet (1) to drive the cold plate (8) to rise or fall; The chassis (2) is capable of being inserted into or removed from the cavity of the cabinet (1); It also includes a three-level guide structure, namely: The primary guide structure is formed by the cooperation of the chassis guide pin (3) set on the chassis (2) and the tray guide hole (6) set on the quick-lock tray (5); The secondary guide structure is formed by the cooperation of a rectangular connector guide pin (4) set on the chassis (2) and a rectangular connector guide hole (7) set on the cabinet (1); The three-level guide structure is formed by the rectangular connector plug housing (13) of the chassis (2) and the rectangular connector socket housing of the cabinet (1); A locking assembly (12) is provided on the chassis (2) and the quick-lock tray (5) for locking the chassis (2) when it is in place; After the chassis (2) is inserted into the cabinet (1) and locked, the cold plate (8) can rise under the drive of the wedge strip assembly (10) to fit against the bottom of the chassis (2) to achieve heat dissipation contact; before the chassis (2) is removed, the wedge strip assembly (10) can drive the cold plate (8) to descend in the opposite direction, so that the cold plate (8) is separated from the bottom of the chassis (2).

2. The chassis insertion mechanism according to claim 1, characterized in that, The wedge-shaped strip assembly (10) includes: Strip plate (10a); A fixing block (10b) is fixedly disposed at the middle position of the top surface of the strip plate (10a); A double-ended screw (10c), the middle part of which is rotatably engaged with the fixed block (10b); Movable blocks (10d), two of the movable blocks (10d) are respectively screwed onto the studs at both ends of the double-ended screw (10c), and the bottom surface of the movable blocks (10d) slides in contact with the top surface of the strip plate (10a); A wedge block (10e) is disposed between the fixed block (10b) and the movable block (10d), and the inclined surfaces at both ends of the wedge block (10e) slide in cooperation with the inclined surfaces of the fixed block (10b) and the movable block (10d), respectively. When the double-headed screw (10c) drives the two movable blocks (10d) to move closer together, it drives the wedge block (10e) to rise; When the double-headed screw (10c) drives the two movable blocks (10d) to move away from each other, the wedge block (10e) descends by its own weight.

3. The chassis insertion mechanism according to claim 2, characterized in that, The wedge block (10e) is provided with a through hole (10f) with a rectangular cross section; the double-ended screw (10c) passes through the through hole (10f), and the height of the through hole (10f) is greater than the outer diameter of the double-ended screw (10c).

4. The chassis insertion mechanism according to claim 2, characterized in that, A hexagonal countersunk hole (10g) is provided at the end of the double-ended screw (10c), which is used to mate with an internal hex wrench.

5. The chassis insertion mechanism according to claim 1, characterized in that, The length of the chassis guide pin (3) is greater than the length of the rectangular connector guide pin (4), so that during the insertion of the chassis (2), the primary guide structure takes precedence over the secondary guide structure.

6. A chassis insertion mechanism according to claim 1, characterized in that, The locking assembly (12) includes: The handle (12a) is securely mounted on the front end face of the chassis (2); A locking rod (12b) is hinged to the handle (12a), and a locking hook is provided at the lower end of the locking rod (12b); The locking buckle (12c) is securely mounted on the quick-lock tray (5); When the locking assembly (12) is in the locked state, the locking rod (12b) rotates to a vertical position, and the locking hook at the lower end of the locking rod (12b) is engaged in the locking buckle (12c), and the upper part of the locking rod (12b) is embedded in the groove of the handle (12a); When the locking assembly (12) is in the unlocked state, the locking rod (12b) rotates to a horizontal position, and the locking hook at the lower end of the locking rod (12b) separates from the locking buckle (12c).

7. The chassis insertion mechanism according to claim 1, characterized in that, The quick-lock tray (5) is equipped with a guide rail (9), and the chassis (2) is placed on the guide rail (9) to push in or pull out the cabinet (1).

8. The chassis insertion mechanism according to claim 1, characterized in that, The cold plate (8) is provided with a pipe joint (11) for connecting to the coolant circulation pipeline.

9. A chassis insertion method based on the chassis insertion mechanism according to any one of claims 1 to 10, characterized in that, Includes the following steps: S1. The chassis (2) is pushed into the cabinet (1) by sequentially connecting the first-level guide, second-level guide and third-level guide structures; S2. After the chassis (2) is inserted into place, the locking assembly (12) is fastened to lock the chassis (2) into the cabinet (1); S3. Adjust the wedge-shaped strip assembly (10) to drive the cold plate (8) to rise until the upper surface of the cold plate (8) is in contact with the bottom of the chassis (2) to dissipate heat for the chassis (2); S4. When it is necessary to remove the chassis (2), first loosen the locking assembly (12), then adjust the wedge strip assembly (10) to lower the height of the cold plate (8) so that the cold plate (8) is separated from the chassis (2), and finally pull the chassis (2) out of the cabinet (1).

10. The chassis insertion method according to claim 9, characterized in that, In the step of adjusting the wedge strip assembly (10), two Allen wrenches are used to simultaneously operate the two wedge strip assemblies (10) to uniformly drive the cold plate (8) to rise and fall.

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