A dismounting tool for a heat sink

Abstract

The utility model discloses a kind of dismounting tool of radiator, including radiator body and base frame, the bottom end four around of radiator body is fixedly provided with supporting leg, the bottom end of each supporting leg is connected with a bolt, the outer wall middle part of each bolt is evenly provided with a circle trapezoidal ring groove, the top of base frame is provided with several sleeves corresponding with the position of bolt, the inner wall of each sleeve is evenly distributed with several radial ball holes, a ball is rotatably connected in each ball hole, a slide sleeve vertically slidable is sleeved on the outer wall of each sleeve, bolt can be inserted into corresponding sleeve, in the utility model, through the linkage structure of base frame, connecting rod and multiple sleeves, all bolts can be locked or released in sleeve synchronously, to drive the lock catch pressing rod of radiator body both sides synchronous action, which avoids CPU pin bending or damage caused by unilateral stress first, effectively protects CPU and mainboard.

Description

Technical Field

[0001] This utility model relates to the field of computer hardware maintenance tools, and in particular to a tool for disassembling and assembling a heat sink. Background Technology

[0002] Currently, when disassembling and installing CPU coolers, especially those with push-down latches, common tools such as screwdrivers are typically used. This requires prying the latch levers on both sides of the cooler separately. This method has significant drawbacks: First, the latches on both sides are difficult to unlock simultaneously, easily leading to uneven force on the CPU, causing bending or damage to its bottom pins; second, when prying one side, the other side may suddenly spring up, causing the cooler to fall and damage other components on the motherboard; finally, the operating space is limited, and screwdrivers are prone to slipping, posing a safety hazard of scratching the motherboard or injuring the operator. Therefore, a cooler disassembly and assembly tool is needed to meet these needs. Utility Model Content

[0003] The purpose of this utility model is to provide a radiator disassembly and assembly tool to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a radiator assembly / disassembly fixture, comprising a radiator body and a base frame. Support legs are fixedly installed around the bottom of the radiator body, and a pin is connected to the bottom of each support leg. A trapezoidal groove is formed in the middle of the outer wall of each pin. Several sleeves corresponding to the positions of the pins are provided on the top of the base frame. Several radial ball bearing holes are evenly distributed on the inner wall of each sleeve, and a ball bearing is rotatably connected in each ball bearing hole. A vertically sliding sleeve is fitted on the outer wall of each sleeve. The pin can be inserted into the corresponding sleeve. When the pin is inserted into the sleeve, the inner portions of all the balls in the same sleeve can be precisely embedded and engaged in the trapezoidal groove of the pin in the radial direction. A connecting rod is fixedly connected between every two adjacent sliding sleeves, and several springs are provided between the connecting rod and the base frame to provide buffering and restoring force.

[0005] Preferably, mounting holes are provided on all four sides of the base frame. By using fasteners such as bolts through these mounting holes, the base frame can be pre-securely fixed to the motherboard or near the mounting position, providing a stable foundation for subsequent operations.

[0006] Preferably, the bottom end of the pin is machined into a tapered shape. This design facilitates smooth alignment and insertion of the pin during initial insertion into the sleeve, and even minor positional deviations can be automatically corrected by the tapered guide surface, simplifying the alignment operation.

[0007] Preferably, the outer wall of the top end of the sleeve is a radially outwardly extending flange, and the sliding sleeve is slidably connected below this extended section of the sleeve. This extension structure can limit the upward sliding stroke of the sliding sleeve, preventing it from accidentally dislodging from the sleeve. Preferably, the diameter of the ball bearing hole on the outer wall of the sleeve is smaller than the diameter of the ball bearing on the side closer to the inner wall of the sleeve, while the diameter on the side closer to the outer wall of the sleeve is the same as or slightly larger than the diameter of the ball bearing. This structure ensures that the ball bearing does not fall completely into the sleeve, but partially protrudes from the inner wall, while its outer portion can be constrained by the inner wall of the sliding sleeve.

[0008] Preferably, the upper inner wall of the sleeve has a stepped hole, the diameter of which is larger than the inner diameter of the main part of the sleeve, forming a flared opening. The radial clearance between the stepped hole and the outer wall of the sleeve is smaller than the diameter of the ball bearing. This design prevents the ball bearing from coming out of the ball bearing hole under gravity or vibration when the pin is not inserted or fully withdrawn, thus preventing it from falling out. The beneficial effects of this utility model are: This invention utilizes a linkage structure of the base frame, connecting rods, and multiple sleeves to ensure that all pins can lock or release synchronously within the sleeves, thereby causing the locking levers on both sides of the heatsink body to move synchronously. This prevents CPU pins from bending or being damaged due to force applied to one side first, effectively protecting the CPU and motherboard.

[0009] This invention utilizes a mechanical locking method where ball bearings engage with trapezoidal annular grooves to securely connect the heatsink body to the base frame. During disassembly, the heatsink will not fall due to a sudden pop-up of one side of the latch, significantly improving operational safety and protecting other components on the motherboard. Simply moving the sliding sleeve up or down controls the simultaneous retraction or ejection of all ball bearings, achieving rapid locking and unlocking. The entire process eliminates the need for sharp tools such as screwdrivers, avoiding the risks of slippage and scratches, requires minimal operating space, and is safer and more convenient. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of a radiator assembly / disassembly fixture proposed in this utility model; Figure 2 This is a front cross-sectional view of the sliding sleeve structure of a radiator assembly / disassembly tooling proposed in this utility model. Figure 3 This utility model proposes a radiator assembly and disassembly tool. Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a side view sectional view of a radiator assembly / disassembly tooling proposed in this utility model.

[0011] In the diagram: 1. Radiator body; 2. Base frame; 3. Support leg; 4. Pin; 5. Trapezoidal annular groove; 6. Sleeve; 7. Ball bearing; 8. Sliding sleeve; 9. Connecting rod; 10. Spring; 11. Mounting hole; 12. Ball bearing hole; 13. Stepped hole. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0013] Reference Figure 1-4 A radiator assembly and disassembly tool mainly consists of two parts: the radiator body 1 and the base frame 2.

[0014] The heatsink body 1 is a common low-pressure CPU air cooler, which usually has four support legs 3 around its bottom. Each support leg 3 is vertically connected to a cylindrical pin 4 at its bottom. The bottom end of the pin 4 is machined into a tapered shape for easy insertion. On the outer wall of the middle part of each pin 4, a trapezoidal groove 5 is machined.

[0015] The base frame 2 is a rectangular frame with a mounting hole 11 near each of its four corners for pre-fixing the base frame 2 to the appropriate position on the motherboard (not shown in the figure) using screws. Four sleeves 6 are fixedly installed on the top surface of the base frame 2, corresponding to the positions of the four pins 4 on the heatsink body 1. The inner diameter of the sleeves 6 is slightly larger than the diameter of the pins 4 for insertion.

[0016] On the circumferential wall of each sleeve 6, multiple radial ball bearing holes 12 are evenly distributed. The ball bearing holes 12 have a special structure: the diameter of the hole near the inner wall of the sleeve 6 is smaller than the diameter of the ball bearing 7, while the diameter of the hole near the outer wall of the sleeve 6 is the same as the diameter of the ball bearing 7. This confines the ball bearing 7 within the hole, preventing it from falling completely into the sleeve 6, while allowing its outer portion to protrude beyond the outer wall of the sleeve 6. One ball bearing 7 is placed within each ball bearing hole 12, allowing it to roll within the hole. A stepped hole 13 is formed on the upper inner wall of the sleeve 6. The diameter of this hole is larger than the inner diameter of the sleeve 6 body, and the radial clearance between the inner wall of the stepped hole 13 and the outer wall of the sleeve 6 is smaller than the diameter of the ball bearing 7. This structure prevents the ball bearing 7 from slipping out from above.

[0017] Each sleeve 6 is also fitted with a sliding sleeve 8 on its outer wall. The top outer wall of the sleeve 6 extends outward to form a flange, and the sliding sleeve 8 is located below the flange and can slide up and down along the outer wall of the sleeve 6. When the sliding sleeve 8 slides to the position covering the ball hole 12, its inner wall will press all the balls 7, forcing the inner part of the balls 7 to move towards the center of the sleeve 6.

[0018] Each pair of adjacent sliding sleeves 8 is rigidly connected by a connecting rod 9, so that the four sliding sleeves 8 form a linked whole. Several springs 10 are connected between the connecting rod 9 and the base frame 2 below. The functions of the springs 10 are twofold: first, to provide cushioning and reduce the impact during operation; and second, to assist in pushing the connecting rod 9 and the sliding sleeves 8 to reset after unlocking.

[0019] Working principle: First, securely mount the base frame 2 onto the motherboard through the mounting holes 11. Press down on the sliding sleeve 8 to release the outer restraint of the balls 7, allowing them to move radially within the ball bearing holes 12. Align the four pins 4 at the bottom of the heatsink body 1 with the inlets of the four sleeves 6 and place them downwards. The conical surface at the bottom of the pins 4 will contact and push the balls 7, allowing the pins 4 to smoothly enter the sleeves 6. When the pins 4 are fully inserted and the trapezoidal annular grooves 5 on them are at the same horizontal level as the balls 7, release the sliding sleeve 8. Under the elastic force of the spring 10, the connecting rod 9 moves upward, causing the sliding sleeve 8 to move upward, so that its inner wall presses against the outer side of all the balls 7, firmly locking the balls 7 in the trapezoidal annular grooves 5, thus completing the reliable connection between the heatsink body 1 and the base frame 2.

[0020] When disassembly is required, simply press down on the connecting rod 9. The connecting rod 9 will move all the sliding sleeves 8 downwards, releasing the radial constraint on the ball bearings 7. At this time, lift the radiator body 1 upwards. The inclined surface of the trapezoidal annular groove 5 of the pin 4 will apply an outward force to the ball bearings 7, forcing the ball bearings 7 to move radially outwards and disengage from the trapezoidal annular groove 5. The pin 4 can then be easily pulled out of the sleeve 6, realizing the disassembly of the radiator body 1.

[0021] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A radiator assembly / disassembly fixture, comprising a radiator body (1) and a base frame (2), characterized in that: The radiator body (1) is provided with support legs (3) around its bottom. Each support leg (3) is connected to a pin (4) at its bottom. Each pin (4) has a trapezoidal annular groove (5) on its outer wall. The base frame (2) is provided with several sleeves (6). Each sleeve (6) has several balls (7) rollingly connected to its inner wall. Each sleeve (6) has a sliding sleeve (8) vertically slidingly connected to its outer wall. The pin (4) is inserted into the sleeve (6). The balls (7) in the same sleeve (6) are fitted into the trapezoidal annular groove (5) on their closest sides. Each pair of adjacent sliding sleeves (8) is connected with a connecting rod (9). Several springs (10) are provided between the connecting rod (9) and the base frame (2).

2. The radiator assembly / disassembly fixture according to claim 1, characterized in that: Mounting holes (11) are provided on all four sides of the base frame (2).

3. The radiator assembly / disassembly fixture according to claim 1, characterized in that: The bottom end of the pin (4) is tapered.

4. The radiator assembly / disassembly fixture according to claim 1, characterized in that: The top outer wall of the sleeve (6) extends radially, and the sliding sleeve (8) is slidably connected below the extension of the sleeve (6).

5. The radiator assembly / disassembly fixture according to claim 1, characterized in that: The outer wall of the sleeve (6) is provided with a ball bearing hole (12). The diameter of the ball bearing hole (7) is smaller than the diameter of the ball bearing (7) on the side closer to the inner wall of the sleeve (6), and the diameter of the ball bearing hole (7) is the same as the diameter of the ball bearing (7) on the side closer to the outer wall of the sleeve (6).

6. The radiator assembly / disassembly fixture according to claim 1, characterized in that: The upper inner wall of the sleeve (6) is provided with a stepped hole (13). The diameter of the stepped hole (13) is larger than the outer diameter of the sleeve (6), and the gap between the stepped hole (13) and the outer wall of the sleeve (6) is smaller than the diameter of the ball (7).

Images