Quick-release integrated circuit chip fixing structure

Abstract

The utility model relates to the technical field of chip fixing, in particular to a quick-release integrated circuit chip fixing structure, which comprises a circuit board, a connecting frame is arranged at the top of the circuit board, four corners of the connecting frame are fixedly connected with footstands through bolts, the footstands are fixedly connected into the circuit board in an embedded manner, and the circuit board is fixedly connected with the circuit board through bolts. Guide rods are symmetrically and fixedly connected to the four edges of the top of the connecting frame, the outer sides of the guide rods are sleeved with a fixing frame, fastening rotary knobs are in threaded connection with the positions, located on the top of the fixing frame, of the tops of the guide rods, and a chip is fixedly adhered to the top of the inner wall of the fixing frame through a heat dissipation silicone grease film. The utility model aims to provide a quick-release integrated circuit chip fixing structure to solve the problems that when an existing integrated circuit chip is detached, heating needs to be conducted firstly, stripping is conducted by means of a blade or tweezers after soldering tin is melted, operation is complex, certain operation difficulty exists, and cost is high. And the design of the quick-release fixing mechanism for the integrated circuit chip cannot be met.

Description

Technical Field

[0001] The utility model relates to the technical field of chip fixing, in particular to a quick-detachable integrated circuit chip fixing structure. Background Art

[0002] An integrated circuit chip is an electronic component including a silicon substrate, at least one circuit, a fixed sealing ring, a grounding ring and at least one guard ring. Its structure is that the circuit is formed on the silicon substrate, the circuit has at least one output / input pad, the fixed sealing ring is formed on the silicon substrate and surrounds the circuit and the output / input pad. The grounding ring is formed between the silicon substrate and the output / input pad and is electrically connected to the fixed sealing ring. The guard ring is arranged on the silicon substrate and surrounds the output / input pad to be electrically connected to the fixed sealing ring.

[0003] At present, integrated circuit chips, as essential components of integrated circuit boards, are usually fixed on circuit boards by soldering. When they are disassembled, they need to be heated first, and then peeled off with the help of a blade or tweezers after the solder melts. The operation is complicated and has a certain degree of difficulty, which cannot meet the design of the quick-release fixing mechanism of the integrated circuit chip. Utility Model Content

[0004] The utility model aims to provide a quick-release integrated circuit chip fixing structure to solve the problem that when the existing integrated circuit chip is disassembled, it is necessary to heat it first, and then peel it off with the help of a blade or tweezers after the solder melts. The operation is complicated and has a certain degree of difficulty, which cannot meet the design of the quick-release fixing mechanism of the integrated circuit chip.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A quick-detachable integrated circuit chip fixing structure comprises a circuit board, a connecting frame is arranged on the top of the circuit board, four corners of the connecting frame are fixedly connected to feet by bolts, the feet are all embedded and fixedly connected in the circuit board, four sides of the top of the connecting frame are symmetrically fixedly connected to guide rods, the outer side of the guide rod is sleeved with a fixing frame, the top of the guide rod and the top of the fixing frame are threadedly connected with a tightening knob, and the chip is fixed to the top of the inner wall of the fixing frame by bonding with a heat dissipation silicone grease film.

[0007] Preferably, the bolt is a countersunk bolt.

[0008] Preferably, the foot is designed as a T-nut and is fixed to the circuit board in an inverted distribution.

[0009] Preferably, contacts are integrated and fixed on the top of the circuit board, and pins are fixedly connected to the bottom of the chip and at positions corresponding to the contacts, and the cross-section of the pins is smaller than the cross-section of the contacts.

[0010] Preferably, the fixing frame is made of aluminum alloy, and reinforcing ribs are integrated and fixed all around.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the connecting frame can be fixed on the circuit board by threading the bolts with the feet embedded on the circuit board, and the fixing frame is positioned and guided by the guide rod, and then the fastening knob is threadedly connected with the top of the guide rod, so that the chip fixed inside the fixing frame can be tightly pressed on the circuit board. When the chip is removed, the fastening knobs around it can be directly rotated to remove it, and the fixing frame can be pulled out to take out the chip. Compared with the traditional heating disassembly operation, it is simple and quick, and no tools are required, which can meet the chip quick disassembly structure design.

[0013] 2. In the utility model, by using an aluminum alloy material to make a fixing frame and a heat dissipating silicone grease film, the heat generated by the chip during operation can be quickly diffused to the fixing frame, and the external heat contact area can be increased with the help of reinforcing ribs to improve the heat dissipation effect and ensure the good heat dissipation capacity of the chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an upper axis view of a quick-detachable integrated circuit chip fixing structure of the utility model;

[0015] Figure 2 This is a front cross-sectional view of a quick-detachable integrated circuit chip fixing structure of the utility model;

[0016] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of region A;

[0017] Figure 4 The utility model is a chip disassembly state diagram of a quick-detachable integrated circuit chip fixing structure.

[0018] In the figure: 1. Circuit board; 2. Connecting frame; 3. Bolt; 4. Foot; 5. Guide rod; 6. Fixing frame; 7. Tightening knob; 8. Heat dissipation silicone grease film; 9. Chip; 10. Contact; 11. Pin; 12. Reinforcement rib. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , the utility model provides a technical solution:

[0021] A quick-detachable integrated circuit chip fixing structure comprises a circuit board 1, a connecting frame 2 is arranged on the top of the circuit board 1, and four corners of the connecting frame 2 are fixedly connected with foot seats 4 by bolts 3, and the foot seats 4 are all embedded and fixedly connected in the circuit board 1, and the connecting frame is designed to be detachable, which is convenient for later recycling and reuse, and reduces resource loss; four sides of the top of the connecting frame 2 are symmetrically fixedly connected with guide rods 5, which are used for fixing frame installation guidance to ensure chip installation accuracy; a fixing frame 6 is sleeved on the outer side of the guide rod 5, and a tightening knob 7 is threadedly connected at the top of the guide rod 5 and located at the top of the fixing frame 6, and the tightening knob is threadedly connected with the upper part of the guide rod, so that the fixing frame and the connecting frame are closely fitted by the tightening knob, and then the pins at the bottom of the chip are closely fitted with the contacts on the circuit board, so that the chip is quickly installed and fixed; a chip 9 is bonded and fixed to the top of the inner wall of the fixing frame 6 by heat dissipation silicone grease film 8, and the heat dissipation silicone grease film is used to realize the quick bonding and fixing of the chip and the fixing frame, and the heat of the chip operation can also be quickly extracted and diffused to the fixing frame by virtue of its material properties.

[0022] When disassembling, the fastening knobs 7 around the fixing frame 6 can be directly and quickly rotated to be removed, and then the fixing frame 6 can be pulled out to take out the chip 9. Compared with the traditional heating disassembly operation, it is simple and quick, and does not require the aid of tools, which can meet the chip quick disassembly structure design.

[0023] In this embodiment, please refer to Figure 1 , Bolt 2 is a countersunk bolt, which realizes bolt embedded fixed connection, facilitates the thinner design of chip fixing structure and saves space.

[0024] In this embodiment, please refer to Figure 2 The foot 3 is designed as a T-nut and is fixed to the circuit board 1 in an inverted distribution, which is convenient for ensuring the tension of the circuit board when the bolts are fixed, and improving the installation stability of the connecting frame.

[0025] In this embodiment, please refer to Figure 3 A contact 10 is integrated and fixed on the top of the circuit board 1, and a pin 11 is fixedly connected to the bottom of the chip 9 and the position corresponding to the contact 10. The cross-section of the pin 11 is smaller than the cross-section of the contact 10, which can increase the installation error of the pin and the contact connection and reduce the difficulty of chip installation.

[0026] In this embodiment, please refer to Figure 1 The fixing frame 6 is made of aluminum alloy to meet the design requirements of high-strength and high-thermal conductivity materials; and reinforcing ribs 12 are integrated and fixed on all sides, which can improve the strength of the fixing frame structure and also serve as heat dissipation fins, increase the heat exchange contact area with the external environment, and ensure its heat dissipation effect.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-release integrated circuit chip fixing structure, comprising a circuit board (1), characterized in that: A connecting frame (2) is arranged on the top of the circuit board (1), and the four corners of the connecting frame (2) are fixedly connected to the feet (4) by bolts (3), and the feet (4) are all embedded and fixedly connected in the circuit board (1), and the four sides of the top of the connecting frame (2) are symmetrically fixedly connected to the guide rods (5), and the outer side of the guide rods (5) is sleeved with a fixing frame (6), and the top of the guide rods (5) and the top of the fixing frame (6) are threadedly connected with a tightening knob (7), and the top of the inner wall of the fixing frame (6) is adhered and fixed with a chip (9) by a heat dissipation silicone grease film (8).

2. The quick-release integrated circuit chip fixing structure according to claim 1, characterized in that: The bolt (3) is a countersunk bolt.

3. The quick-release integrated circuit chip fixing structure according to claim 1, characterized in that: The foot seat (4) is designed as a T-shaped nut and is fixed to the circuit board (1) in an inverted distribution.

4. The quick-release integrated circuit chip fixing structure according to claim 1, characterized in that: A contact (10) is integrated and fixed on the top of the circuit board (1), and pins (11) are fixedly connected to the bottom of the chip (9) and at positions corresponding to the contacts (10), and the cross-section of the pins (11) is smaller than the cross-section of the contacts (10).

5. The quick-detachable integrated circuit chip fixing structure according to claim 1, characterized in that: The fixing frame (6) is made of aluminum alloy, and has reinforcing ribs (12) integrated and fixed around the four sides.

Images