Universal passive heat dissipation case

Abstract

The utility model discloses a universal passive heat dissipation case, which comprises a heat dissipation metal shell, a pressing plate, a heat dissipation sheet, a mainboard and a spring, the pressing plate is arranged in a bottom opening of the heat dissipation metal shell or in the heat dissipation metal shell, and the heat dissipation sheet and the mainboard are respectively arranged in the heat dissipation metal shell. The cooling fin is fixedly connected with the mainboard through the lock plate connecting piece and located above a CPU of the mainboard, the upper end of the spring is connected with the lower end of the lock plate connecting piece, the lower end of the spring abuts against the pressing plate, the spring can jack up the cooling fin upwards, and therefore a shell cooling boss of the cooling fin is in close contact with the cooling metal shell all the time. According to the utility model, the radiating fins are tightly contacted with the radiating metal shell by adopting a spring compression mode, screws are not needed to be fixed with the radiating metal shell, the radiating metal shell does not need to be punched, the CPU of the mainboard and the radiating fins can be compatible with the radiating metal shell even if the mounting positions of the CPU and the radiating fins are different, so that the radiating metal shell can be suitable for different mainboards, and the radiating efficiency is improved. And the universality is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a case technical field more specifically, is related to a general passive heat dissipation case. BACKGROUND

[0002] The case is a part of computer accessories, generally places and fixes computer components such as mainboard through fastener or screw, plays a supporting and protection role, but under the long time running work of computer, the heat generated by mainboard is much, leads to the temperature rise inside the case, and temperature is too high to easily lead to internal electronic components burn out, for this, the existing mainboard heat dissipation is mostly through fan or water cooling system active heat dissipation, to speed up air flow or heat conduction medium flow to dissipate heat, but increasing active heat dissipation structure can lead to the volume of case increases.

[0003] With the development of science and technology, some passive heat sinks have appeared on the market at present, which can rely on the contact of the heat sink and the metal shell to conduct heat, and can dissipate the heat inside the case to the surrounding environment without fan or water cooling system. However, the heat sink of such passive heat sink is generally fixedly connected with the metal shell by screws, and the metal shell needs to be punched to install the screws. When the position of the CPU of the mainboard and the position of the heat sink change, the existing metal shell cannot be compatible, and a new metal shell needs to be made, which has great limitations and the universality needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the above-mentioned defects in the prior art, and provides a general passive heat dissipation case, which does not need to use screws to fix the heat sink and the heat dissipation metal shell, does not need to punch the heat dissipation metal shell, can be compatible with the heat dissipation metal shell when the installation positions of the CPU of the mainboard and the heat sink are different, has good universality, and is flexible and convenient to assemble.

[0005] To achieve the above object, the utility model provides a general passive heat dissipation case, which comprises a heat dissipation metal shell, a pressing plate, a heat sink, a mainboard and a spring. The pressing plate is installed at the bottom opening position of the heat dissipation metal shell or is arranged inside the heat dissipation metal shell. The heat sink and the mainboard are respectively installed inside the heat dissipation metal shell. The top surface of the heat sink is provided with a shell heat dissipation boss for contacting the inner top surface of the heat dissipation metal shell. The bottom surface of the heat sink is provided with a CPU heat dissipation boss for contacting the CPU of the mainboard. The heat sink is fixedly connected with the mainboard through a lock plate connecting piece and is located above the CPU of the mainboard. The lower end of the lock plate connecting piece extends out of the bottom of the mainboard. The upper end of the spring is connected with the lower end of the lock plate connecting piece. The lower end of the spring abuts against the pressing plate. The spring can lift the heat sink upward, so that the shell heat dissipation boss of the heat sink always keeps in close contact with the heat dissipation metal shell.

[0006] As preferred, the lock plate connecting piece comprises a plug post and a lock plate screw, bottom ends of the plug post are fixedly connected on the radiating fins respectively, the bottom end of the plug post is provided with a first threaded hole, an insertion end of the lock plate screw is provided with an external thread, a limiting end of the lock plate screw is provided with a spring limiting post, the insertion end of the lock plate screw can be upwardly threaded through the main plate and be threadedly connected with the first threaded hole, and the upper end of the spring is sleeved on the spring limiting post.

[0007] As preferred, four locking screws are further included, the top end of the plug post is provided with a convex post, a second threaded hole is formed in the top end surface of the convex post, the convex post of the plug post is upwardly inserted into the through hole of the radiating fin at four corners respectively, and each locking screw is downwardly threaded through the through hole of the radiating fin and is threadedly connected with the second threaded hole on the convex post, so that the fixed connection of the plug post and the radiating fin is realized.

[0008] As preferred, the lock plate connecting piece further comprises four lock main plate washers, the lock main plate washer is sleeved on the lock plate screw, when the main plate is installed at the bottom of the radiating fin through the lock plate screw, the lock main plate washer is located between the limiting end bottom of the lock plate screw and the top of the main plate.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] The utility model discloses a simple, novel structure, reasonable in design, is provided with radiating metal shell, pressing plate, radiating fin, main plate and spring, and the radiating fin adopts the spring compression mode and keeps close contact with the radiating metal shell, so that the radiating fin does not need to be fixed with the radiating metal shell with screw, and the radiating metal shell does not need to be punched, and even if the installation positions of the CPU of the main plate and the radiating fin are not same, the radiating metal shell can be compatible with the radiating metal shell, so that the radiating metal shell can be applicable to different main plates, and the universality is good, and the assembly is flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0012] Figure 1 It is the structure diagram of a general passive radiating case provided by the utility model embodiment Figure 1 ;

[0013] Figure 2 It is the structure diagram of a general passive radiating case provided by the utility model embodiment Figure 2 ;

[0014] Figure 3 This is a schematic cross-sectional view of a universal passive heat dissipation chassis provided by an embodiment of the present invention (with the mainboard omitted);

[0015] Figure 4 This is a structural diagram of a heat sink and a locking elastic member of a universal passive heat dissipation chassis provided by an embodiment of the utility model;

[0016] Figure 5 This is a schematic diagram of the explosion of a locking elastic member of a universal passive heat dissipation chassis provided by the embodiment of the utility model. Figure 1 ;

[0017] Figure 6 This is a schematic diagram of the explosion of a locking elastic member of a universal passive heat dissipation chassis provided by the embodiment of the utility model. Figure 2 ;

[0018] Figure 7 This is an exploded schematic diagram of a universal passive heat dissipation chassis provided by an embodiment of the present utility model (with the mainboard omitted);

[0019] Figure 8 This is a schematic diagram of the internal structure of a universal passive heat dissipation chassis provided by an embodiment of the present utility model. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] Please refer to Figure 1 and Figure 3 The embodiment of the present utility model provides a universal passive heat dissipation chassis, including a heat dissipation metal shell 1, a pressure plate 2, a heat sink 3, a main board 4 and a spring 5. The various components of this embodiment are described in detail below with reference to the accompanying drawings.

[0022] like Figures 1 to 3As shown, the bottom of the heat dissipation metal shell 1 is open, and the pressure plate 2 can be installed at the bottom opening position of the heat dissipation metal shell 1. The pressure plate 2 is used as a bottom plate, and the heat sink 3 and the motherboard 4 are respectively installed in the heat dissipation metal shell 1. The top surface of the heat sink 3 is provided with a shell heat dissipation boss 31 for contacting the inner top surface of the heat dissipation metal shell 1, and the bottom surface of the heat sink 3 is provided with a CPU heat dissipation boss 32 for contacting the CPU of the motherboard 4. The heat sink 3 is fixedly connected to the motherboard 4 through a locking plate connector 6 and is located above the CPU of the motherboard 4. The lower end of the locking plate connector 6 extends out of the bottom of the motherboard 4, and the upper end of the spring 5 is connected to the lower end of the locking plate connector 6. The lower end of the spring 5 rests on the pressure plate 2. The spring 5 can push the heat sink 3 upward, so that the shell heat dissipation boss 31 of the heat sink 3 always maintains close contact with the heat dissipation metal shell 1.

[0023] The heat dissipation metal shell 1 can provide stable support and heat dissipation functions, and the pressure plate 2 can be detachably mounted on the heat dissipation metal shell 1 to facilitate assembly of the heat dissipation chassis and subsequent maintenance operations.

[0024] It should be noted that, in other embodiments, the pressing plate 2 may also be fixed inside the heat dissipating metal housing 1 .

[0025] During implementation, the heat sink 3 can contact the heat dissipation metal shell 1 for heat conduction. In order to ensure stable contact between the two without affecting heat conduction, thermal conductive glue can also be used to coat between the shell heat dissipation boss 31 and the inner end surface of the heat dissipation metal shell 1.

[0026] Among them, the inner end surface of the heat dissipation metal shell 1 is relatively flat, and the installation positions of the heat sink 3 and the motherboard 4 inside the heat dissipation metal shell 1 can be adjusted according to actual needs. The utility model does not limit its installation position and the model of the motherboard, and can adapt to most motherboards on the market, with a wide range of applications.

[0027] like Figures 4 to 6 As shown, the locking plate connector 6 may include a pin 61 and a locking plate screw 62. The bottom ends of the pins 61 are fixedly connected to the heat sink 3. The bottom ends of the pins 61 are provided with a first threaded hole 611. The insertion end of the locking plate screw 62 is provided with an external thread 621. The limiting end of the locking plate screw 62 is provided with a spring limiting column 622. The insertion end of the locking plate screw 62 can pass upward through the main board 4 and be threadedly connected to the first threaded hole 611. The upper end of the spring 5 is sleeved on the spring limiting column 622.

[0028] Specifically, four locking screws 7 can also be included, the top end of the insertion column 61 is provided with a protruding column 612, a second threaded hole 613 is formed on the top end surface of the protruding column 612, the protruding column 612 of the insertion column 61 is respectively inserted into the through hole 33 at the four corners of the heat dissipation fin 3, and each locking screw 7 is respectively screwed into the second threaded hole 613 on the protruding column 612 after passing through the through hole 33 of the heat dissipation fin 3 downward, so as to realize the fixed connection of the insertion column 61 and the heat dissipation fin 3.

[0029] Further, the lock plate connecting piece 6 can also include four lock mainboard spacers 63, the lock mainboard spacer 63 is sleeved on the lock plate screw 62, when the mainboard 4 is installed at the bottom of the heat dissipation fin 3 through the lock plate screw 62, the lock mainboard spacer 63 is located between the limiting end bottom of the lock plate screw 62 and the top of the mainboard 4.

[0030] In specific implementation, the outer thread 421 of the lock plate screw 62 is screwed into the second threaded hole 613 of the insertion column 61 after passing through the mainboard 4 upward, the mainboard 4 is fixed on the heat dissipation fin 3, and the lock mainboard spacer 45 is pressed against the top surface of the mainboard 4 downward, so as to prevent the mainboard 4 from shaking in the heat dissipation metal shell 1.

[0031] Preferably, the outer side wall of the heat dissipation metal shell 1 can be vertically filled with a plurality of heat dissipation fins 14 along the length direction thereof.

[0032] The material of the heat dissipation metal shell 1 is preferably set as aluminum alloy, and the plurality of heat dissipation fins 11 can increase the heat exchange area with the external air, so that the heat conducted by the heat dissipation fin 3 can be better dissipated through the heat dissipation metal shell 1, and the heat conduction efficiency is increased.

[0033] As shown in Figure 7 The heat dissipation metal shell 1 can include a metal shell body 11, a first panel 12 and a second panel 13, and the first panel 12 and the second panel 13 are respectively fixed at the front and rear ends of the metal shell body 11. The cross section of the metal shell body 11 can be set as an inverted [structure with an opening downward.

[0034] In order to improve the overall stability of the heat dissipation case and avoid scratching the bottom surface of the heat dissipation case, four foot pads 8 can also be included, the horizontal extension surfaces at the top of both sides of the heat dissipation metal shell 1 are respectively provided with first mounting holes 14, the second mounting holes 21 are formed at the positions corresponding to the first mounting holes 14 of the pressing plate 2, and each foot pad 8 is respectively locked and connected through the mounting screw passing through the second mounting hole 21 and the first mounting hole 14.

[0035] As shown in Figure 8As shown, the mainboard 4 is placed in the opening position of the heat dissipation metal shell 1 upside down, the CPU top surface of the mainboard is in contact with the CPU heat dissipation boss 32 top surface of the heat dissipation fin 3, the remaining part of the mainboard 4 is supported through the insertion column 61 of the locking plate connecting piece 6, then the locking plate screw 62 is screwed with the insertion column 61 after passing through the mainboard 4 downwards, so that the mainboard 4 is fixed at the bottom of the heat dissipation fin 3, then one end of each spring 5 is sleeved on the spring limiting column 622 at the top of the locking plate screw 62, finally the pressing plate 2 is fixedly installed on the heat dissipation metal shell 1, the other end of each spring 5 can abut against the inner wall surface of the pressing plate 2, the spring 5 can lift the heat dissipation fin 3 upwards, so that the shell heat dissipation boss 31 of the heat dissipation fin 3 is always in close contact with the heat dissipation metal shell 1, the accumulation of heat can be avoided, and the heat dissipation effect of the heat dissipation case is guaranteed.

[0036] In summary, the utility model has the following characteristics:

[0037] 1、 The utility model discloses a simple structure, novel, reasonable in design is provided with heat dissipation metal shell, pressing plate, heat dissipation fin, mainboard and spring, and the heat dissipation fin does not need to adopt screw or other locking piece and is fixed with heat dissipation metal shell, and the heat dissipation metal shell does not need to punch, and even if the installation position of the CPU of the mainboard and the heat dissipation fin is not same, can also realize compatibility with heat dissipation metal shell, and the universality is good, and the assembly is flexible and convenient.

[0038] 2、 The utility model discloses a heat dissipation metal shell exposed to outside air, can effectively dissipate the heat conducted by the heat dissipation fin in contact with the mainboard, avoids the heat accumulation of the mainboard, compared with the traditional active heat dissipation mode, does not need to occupy larger space, and the heat dissipation effect is good, and the cost is low.

[0039] The above embodiment is the preferred implementation manner of the utility model, but the implementation manner of the utility model is not limited to the above embodiment, and any change, modification, replacement, combination and simplification, which does not deviate from the spirit and principle of the utility model, should be equivalent replacement mode, and all are included in the protection scope of the utility model.

Claims

1. A general-purpose passive heat-dissipation chassis, characterized by: The utility model provides a heat dissipation metal shell (1), pressing plate (2), fin (3), mainboard (4) and spring (5) are included, pressing plate (2) installs at the bottom opening position of heat dissipation metal shell (1) or is arranged in the inside of heat dissipation metal shell (1), fin (3) and mainboard (4) are installed in the inside of heat dissipation metal shell (1) respectively, the top surface of fin (3) is equipped with shell heat dissipation boss (31) for being in contact with the inside top surface of heat dissipation metal shell (1), the bottom surface of fin (3) is equipped with CPU heat dissipation boss (32) for being in contact with the CPU of mainboard (4), and fin (3) is fixedly connected with mainboard (4) through lock plate connecting piece (6) and is located above the CPU of mainboard (4), the lower end position of lock plate connecting piece (6) protrudes the bottom of mainboard (4), the upper end of spring (5) is connected with the lower end position of lock plate connecting piece (6), and the lower end of spring (5) abuts on pressing plate (2), spring (5) can lift up fin (3) upward, so that the shell heat dissipation boss (31) of fin (3) always keeps close contact with heat dissipation metal shell (1).

2. A general-purpose passive heat dissipation case according to claim 1, characterized in that: The lock plate connecting piece (6) includes a plug column (61) and a lock plate screw (62), the bottom end of the plug column (61) is fixedly connected to the fin (3), the bottom end of the plug column (61) is provided with a first threaded hole (611), the insertion end of the lock plate screw (62) is provided with an external thread (621), the limiting end of the lock plate screw (62) is provided with a spring limiting column (622), the insertion end of the lock plate screw (62) can be screwed into the first threaded hole (611) after passing through the mainboard (4) upward, and the upper end of the spring (5) is sleeved on the spring limiting column (622).

3. A general-purpose passive heat dissipation case according to claim 2, characterized in that: It also includes four locking screws (7), the top end of the plug column (61) is provided with a convex column (612), the top end surface of the convex column (612) is provided with a second threaded hole (613), the convex column (612) of the plug column (61) is inserted into the through hole (33) of the four corners of the fin (3) upward respectively, each locking screw (7) is screwed into the second threaded hole (613) on the convex column (612) after passing through the through hole (33) of the fin (3) downward respectively, so that the plug column (61) is fixedly connected to the fin (3).

4. A general-purpose passive heat dissipation case according to claim 2, characterized in that: The lock plate connecting piece (6) further includes four lock mainboard spacers (63), the lock mainboard spacer (63) is sleeved on the lock plate screw (62), when the mainboard (4) is installed at the bottom of the fin (3) through the lock plate screw (62), the lock mainboard spacer (63) is located between the limiting end bottom of the lock plate screw (62) and the top of the mainboard (4).

Images