JP3056547U - Fixing device for CPU and heat sink - Google Patents

Abstract

(57) [Problem] To provide a fixing device for a CPU and a heat radiation piece. SOLUTION: When an interlocking member 7 is rotated upward, a guide piece 72 is changed from an upright state to a horizontal state, and a locking portion 53 of a fastener 5 is inwardly engaged to form a fixed state. When the interlocking member 7 is rotated outward in the fixed state, the guide piece 72 returns from the horizontal state to the upright state, releases the locking portion 53 of the fastener 5, and opens outward. And a non-fixed state is formed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a kind of a fixing device for a CPU and a radiating piece, and more particularly, to fixing a relatively large radiating piece to the CPU, which is composed of two fasteners, two braking parts, and one interlocking part. Crown with something.

[0002]

[Prior art]

 FIGS. 1 and 2 show embodiments of a conventional CPU and a fixing device for a heat radiation piece, respectively. As shown in the figure, the fastener 1 is mainly composed of a single strip-shaped metal plate, a support portion 11 is formed horizontally at the center thereof, and both sides of the support portion 11 are symmetrically extended upward. A spring piece 12 is formed, an outer end of the spring piece 12 is bent downward to form a locking portion 13, and a rectangular locking hole 14 is provided near the bottom end of the locking portion 13, respectively. Each of the upper ends of the engaging portion 13 is extended upward to form a projecting portion 15 used for operation, and the included angle formed by the spring piece 12 and the engaging portion 13 is smaller than 90 degrees. When fixing the heat radiating piece to the CPU connector with the fastener 1, first insert the CPU 2 onto the CPU connector 3, then place the heat radiating piece 4 on the upper surface of the CPU 2, and simultaneously place the fastener 1 on the surface of the heat radiating piece 4. Then, the fastener 1 is placed in the heat radiation groove 41 corresponding to the fixing position, and the fastener 1 is brought into contact with the groove bottom of the heat radiation groove 41 with the support portion 11 as a fulcrum. At this time, the relative position of the locking hole 14 is higher than the symmetrical projections 31 at the front and rear ends of the CPU connector 3, and the spring pieces 12 on both sides are pressed to move the locking portions 13 on both sides downward to lock. With the design in which the hole 14 is engaged with the projection 31 and the included angle between the spring piece 12 and the locking portion 13 is smaller than 90 degrees, the locking portion 13 has upward and inward elasticity. The fixed strength can be maintained.

[0003] However, such a fastener 1 is designed to fit into the protrusions 31 at the front and rear ends of the CPU connector 3, and cannot be used in other situations where this kind of CPU connector 3 is not used. . Moreover, in the current development of CPU, the operation speed of CPU is getting faster and faster, the output power is already up to 40 watts, and the working temperature is getting higher and higher. The use of relatively large radiating pieces has been required, and the purpose of fixing is achieved by using two fasteners 1 and performing the same fastening operation twice.

[0004]

[Problems to be solved by the invention]

 The present invention includes at least two fasteners and combines the use of the pre-installation of the braking member and the interlocking member with the design of the groove of the fastener body and the locking streak, thereby achieving a single fixing operation. An object of the present invention is to provide a kind of CPU and heat radiating piece fixing device which can form a fixed or non-fixed state simultaneously by interlocking each fastener, and can easily perform a fixing operation of the heat radiating piece to the CPU.

In the present invention, a fastener is pre-installed or fixed at the bottom of the heat dissipation groove of the heat dissipation piece, and it is convenient to attach and detach the heat dissipation piece to and from the CPU. It is an object to provide a fixing device for a piece.

[0006]

[Means for Solving the Problems]

 According to the invention of claim 1, the two fasteners 5 have one horizontal support portion 51, and both sides of the horizontal support portion 51 are symmetrically extended obliquely upward to form a spring piece 52. The extended ends of the two spring pieces 52 are extended downward to form locking portions 53, and the bottom ends of the engaging portions 53 are bent inward to form hooks 54, and the spring pieces 52 and the locking portions are formed. The fixing device for fixing the CPU and the heat dissipating piece, comprising at least the two fasteners 5, the two braking members 6, and the one interlocking member 7 provided at an included angle of less than 90 degrees between the fasteners 53, A groove 55 is provided at the center of each of the two spring pieces 52 and the two locking portions 53, and a locking streak 56 is laid laterally at the center of the groove 55 of one locking portion 53. The braking member 6 is provided with locking portions 53 on both sides of the fastener 5. A hook-like portion 61 is provided at one end of the groove 55 to engage with the locking streak 56 of the locking portion 53 on one side of the fastener 5, and an L-shaped guide hole 62 is provided at the other end. The horizontal portion 622 of the L-shaped guide hole 62 is provided in the horizontal direction of the braking member 6, and the vertical portion 621 is connected to the outer end of the horizontal portion 622 and extends downward. The vertical portion 621 of the shape guide hole 62 projects just outside the groove 55 of the locking strip 56 on the other side of the fastener 5, and the interlocking member 7 includes a main body 71 of an appropriate length. Both ends of the bottom surface of the base 71 extend symmetrically outward and upward to form guide pieces 72 perpendicular to the main body 71. The two guide pieces 72 are respectively passed through the guide holes 62 of the braking member 6 on both sides. When the interlocking member 7 is rotated upward, the guide piece 72 is By changing from the upright state to the horizontal state, the locking portion 53 of the fastener 5 is inwardly engaged to form a fixed state, and the interlocking member 7 is rotated outward in the fixed state. The guide piece 72 is returned from the horizontal state to the upright state, and the locking portion 53 of the fastener 5 is released to open outward to form a non-fixed state. A feature is a fixing device for the CPU and the heat radiation piece.

[0007] The invention of claim 2 is characterized in that a downwardly extending ear 73 is provided outside the main body 71 of the interlocking member 7 to make the rotation operation convenient. And a fixing device for the heat radiation piece.

According to a third aspect of the present invention, a downwardly protruding locking piece 57 is provided on the vertical support portion 51 of the fastener 5 by a punch press, and is provided on the bottom surface of the heat dissipation groove 81 of the heat dissipation piece 8 so as to correspond thereto. The CPU according to claim 1, wherein the fixing device is attached to the heat radiating piece 8 by pushing the heat radiating piece 8 into and out of the CPU. It is a fixing device of the heat radiation piece.

[0009]

[Embodiment of the invention]

 The present invention comprises at least two fasteners, two braking members and one interlocking member, the fasteners having a horizontal support, and both sides of the horizontal support are symmetrically extended obliquely upward and springs. A piece is formed, an outer end of the spring piece is extended downward to form a locking portion, an inward hook is provided at a bottom end of the locking portion, and an included angle between the spring piece and the locking portion is provided. A groove is provided in each of the spring pieces on both sides of the fastener and the center of the locking part, and a locking member is provided laterally in the center of the groove of one of the locking parts. The braking member is provided between the grooves of the locking portions on both sides of the fastener, and a hook-like portion is provided at one end thereof to engage with the locking streak of the locking portion on one side of the fastener. At the other end, an L-shaped guide hole is provided at the other end, and a horizontal portion of the L-shaped guide hole is provided toward the horizontal direction of the braking member. The vertical portion of the hole extends downward at the outer end of the horizontal portion, and the connecting member has a main body of an appropriate length, and guide pieces extending symmetrically outward at both ends of the bottom surface of the main body. The guide piece is bent upward to be perpendicular to the main body, and the two guide pieces are respectively passed through the guide holes of the braking members on both sides, and the interlocking member is turned upward, so that the guide pieces are turned upward. The vertical surface of the guide is rotated to be horizontal, and the fastening part of the fastener is engaged inward to form a fixed state.By turning the interlocking member outward, the plane of the guide piece rotates and becomes vertical It returns to the state, and the locking portion of the fastener is opened to open outward to form a non-fixed state.

[0010]

【Example】

 3 and 4 show the components of the present invention and their relative positions. As shown in the figure, the present invention is composed of at least two fasteners 5, two braking members 6, and one interlocking member 7.

The fastener 5 is based on a horizontal support portion 51, and both sides thereof are symmetrically extended obliquely upward to form a spring piece 52, and the extended ends of the two spring pieces 52 are extended downward. A locking portion 53 is formed, and a bottom end of the locking portion 53 is bent inward to form a hook 54, and an included angle between the spring piece 52 and the locking portion 53 is smaller than 90 degrees, A groove 55 is provided at the center of each of the two spring pieces 52 and the two locking portions 53, and a locking streak 56 is formed at the center of the groove 55 of the one locking portion 53.

The braking member 6 is provided between the grooves 55 of the locking portions 53 on both sides of the fastener 5, and a hook-like portion 61 is provided at one end thereof. The L-shaped guide hole 62 is provided at the other end, and the horizontal portion 622 of the L-shaped guide hole 62 is provided in the horizontal direction of the braking member 6, and the L-shaped guide hole 62 is provided at the other end. 621 is connected to the outer end of the horizontal portion 622 and extends downward, and the vertical portion 621 of the L-shaped guide hole 62 just projects out of the groove 55 of the locking strip 56 on the other side of the fastener 5. I have.

The interlocking member 7 has a main body 71 of an appropriate length, and both ends of the bottom surface of the main body 71 are symmetrically extended outward and upward to form a guide piece 72 perpendicular to the main body 71. And two guide pieces 72 are respectively passed through the guide holes 62 of the braking members 6 on both sides.

FIG. 5 shows a state in which the fixing parts of the present invention have not yet fixed the CPU and the heat radiating piece. The two fasteners 5 are first placed in the heat dissipation groove 81 of the heat radiating piece 8, the heat radiating piece 8 is placed on the surface of the heat conductive plate 9 of the cartridge type CPU, and the locking portion 53 of the two fasteners 5 is eventually turned off. Also, the hook 54 of the locking portion 53 is protruded out of the locking hole 91 while being inserted into the locking hole 91 of the heat guide plate 9.

At this time, as shown in the sectional view of FIG. 6, the interlocking member 7 has the guide piece 72 penetrating through the vertical portion 621 of the L-shaped guide hole 62 of the braking member 6, and at this time, the guide piece 72 Forms an upright surface, and the upright surface on the main body 72 of the guide piece 72 is in contact with the outer surface of the locking portion 53 to form an unfixed state. Subsequently, as shown in FIG. 7, when the main body 71 is rotated upward to change the guide piece 72 from the upright state to the horizontal state, the end of the upright surface comes into contact with the outer side surface of the locking portion 53, and the fastening is performed. The locking portion 53 of the tool 5 is fitted inward to form a fixed state.

In the present invention, the installation of the braking member 6 and the interlocking member 7 and the design of the groove 55 of the fastener 5 and the design of the locking ridge 56 are combined, so that each fastener 5 can be rotated by one rotation operation. A fixed or non-fixed state is simultaneously formed by interlocking, so that the fixing operation of the CPU and the heat radiating piece can be easily and quickly performed.

What has been described above is one preferred embodiment of the present invention, and does not limit the scope of the present invention.

Further, a locking piece 57 protruding downward is provided on the support portion 51 of the fastener 5 by a press, and a locking hole 82 provided in the bottom surface of the heat radiation groove 81 of the heat radiation piece 8 in a corresponding manner. Then, the fixing device of the present invention can be attached to the heat radiating piece 8, which is convenient for attaching and detaching the heat radiating piece 8 to and from the CPU.

Further, if a downwardly extending ear portion 73 is provided on the outside of the main body 71 of the interlocking member 7, the rotation operation is convenient.

[0020]

[Effect of the invention]

 The present invention includes at least two fasteners and combines the use of the pre-installation of the braking member and the interlocking member with the design of the groove of the fastener body and the locking streak, thereby achieving a single fixing operation. The fixed or non-fixed state can be simultaneously formed by linking the fasteners, and the operation of fixing the heat radiation piece to the CPU is simple.

In the present invention, the fastener is installed or fixed in advance at the bottom of the heat radiation groove of the heat radiation piece, which is convenient for attaching and detaching the heat radiation piece to and from the CPU.

[Brief description of the drawings]

FIG. 1 is a structural diagram of a conventional CPU and a heat radiation piece fixing device.

FIG. 2 is a view showing a use state of FIG. 1;

FIG. 3 is an exploded perspective view of the present invention.

FIG. 4 is a combined perspective view of the present invention.

FIG. 5 is a view showing a combination position of the present invention, a CPU and a heat radiation piece.

FIG. 6 is a sectional view showing an unfixed state of the CPU and the heat radiation piece according to the present invention;

FIG. 7 is a sectional view showing a fixed state of the CPU and the heat radiating piece according to the present invention;

FIG. 8 is a schematic view showing another embodiment of the present invention.

FIG. 9 is a schematic view showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fastener 11 Supporting part 12 Spring piece 13 Locking part 14 Locking hole 15 Projecting part 2 CPU 3 CPU connector 31 Pad 24 Sliding groove 31 Projection 4 Heat radiating piece 41 Heat radiating groove 5 Fastener 51 Horizontal supporting part 52 Spring piece 53 Stop portion 54 Hook 55 Groove 56 Locking streak 57 Locking piece 6 Braking member 61 Hook-shaped portion 62 L-shaped guide hole 621 Vertical portion 622 Horizontal portion 7 Interlocking member 71 Main body 72 Guide piece 73 Ear 8 Heat dissipation piece 81 Heat dissipation groove 82 Stop hole 9 Heat guide plate 91 Lock hole

Claims (3)

[Utility model registration claims] 1. A horizontal support portion 51 is formed as two fasteners 5, and both sides of the horizontal support portion 51 are symmetrically extended obliquely upward to form a spring piece 52, and two springs 52 are formed. The extended end of the piece 52 is extended downward to form a locking portion 53, and the bottom end of the locking portion 53 is bent inward to form a hook 54. In the fixing device for fixing the CPU and the heat radiating piece, at least including the two fasteners 5, the two braking members 6, and the one interlocking member 7, the included angle of which is smaller than 90 degrees. A groove 55 is provided at the center of each of the two spring pieces 52 and the two locking portions 53, and a locking streak 56 is laterally provided across the center of the groove 55 of one locking portion 53. The braking member 6 is provided in the groove 55 of the locking portion 53 on both sides of the fastener 5. A hook-shaped portion 61 is provided at one end thereof to engage with the locking streak 56 of the locking portion 53 on one side of the fastener 5, and an L-shaped guide hole 62 is provided at the other end. The horizontal portion 622 of the L-shaped guide hole 62 is provided in the horizontal direction of the braking member 6, and the vertical portion 621 is connected to the outer end of the horizontal portion 622 and extends downward, and extends vertically. Reference numeral 621 protrudes out of the groove 55 of the locking strip 56 on the other side of the fastener 5, and the interlocking member 7 has a main body 71 of an appropriate length, and both ends of the bottom surface of the main body 71 are symmetrical. A guide piece 72 is formed to extend outward and upward to be perpendicular to the main body 71, and the two guide pieces 72 are respectively passed through the guide holes 62 of the braking members 6 on both sides. , The guide piece 72 moves from the upright state to the horizontal state. In this state, the locking portion 53 of the fastener 5 is inwardly engaged to form a fixed state, and in this fixed state, the interlocking member 7 is rotated outward, whereby the guide piece 72 is rotated. The CPU is configured to return from the horizontal state to the upright state and release the locking portion 53 of the fastener 5 to open outward to form a non-fixed state. Fixing device for heat sink. 2. The CPU according to claim 1, wherein a downwardly extending ear 73 is provided on the outside of the main body 71 of the interlocking member 7 to facilitate rotation operation. Fixing device. 3. A locking piece 57 protruding downward from the vertical support portion 51 of the fastener 5 is provided by a punch press, and a locking hole 82 provided in the bottom surface of the heat radiation groove 81 of the heat radiation piece 8 corresponding thereto. The fixing device of the CPU and the heat radiating piece according to claim 1, wherein the fixing device is attached to the heat radiating piece 8 by pushing the heat radiating piece 8 into and out of the CPU.