Fastener, fastener assembly and electric connection device

Abstract

The utility model provides a buckle, a buckle assembly and an electric connection device. The buckle is used for being detachably connected to a circuit board; a positioning hole, a containing groove and a first buckling groove which are sequentially communicated are formed in the buckle, the positioning hole is used for being matched with the socket for positioning, the containing groove is used for limiting and installing the clamping piece, the first buckling groove is used for penetrating through a heat dissipation part of the radiator, and the clamping piece is used for being buckled into the assembled chip so that the first face of the chip can be limited and fixed to the socket. The second surface of the chip abuts against the heat dissipation part, and the first surface of the chip is opposite to the second surface of the chip. As the buckle, the clamping piece and the chip are assembled and fixed on the circuit board together, namely, the chip is assembled on the clamping piece before the buckle is fixed on the circuit board, and the clamping piece is assembled on the buckle before the buckle is fixed on the circuit board, not only is the assembly efficiency improved, but also an anti-rollover mechanism does not need to be additionally arranged, and the cost is reduced. The problem that the chip is prone to rollover in the locking process of the buckle is solved, and then the situation that the chip module is fixed to the circuit board and rollover occurs can be avoided.

Description

Technical Field

[0001] The present application relates to the technical field of electrical connectors, and in particular to a buckle, a buckle assembly and an electrical connection device. Background Art

[0002] The electrical connection device includes a backplane, a circuit board, a socket, a chip module, a clamping assembly and a heat sink arranged from bottom to top. The clamping assembly is used to press the chip module to the socket to electrically connect the chip module to the circuit board, such as patent CN107453103B.

[0003] The prior art fixes the chip to the socket by installing a clip and a clamping piece. During assembly, the clip is installed first, and then the chip is fixed and guided into the socket by the clamping piece. In other words, the clip and the clamping piece are assembled separately, that is, the clip is assembled first, and then the clamping piece and the chip are assembled, and then the two are assembled together.

[0004] However, during the process of installing the clip, that is, during the process of locking the clip, the chip is prone to tipping over, which may cause the socket to deform or even be damaged. It is impossible to avoid the chip module being fixed to the circuit board and tipping over. Utility Model Content

[0005] The purpose of the present application is to overcome the deficiencies in the prior art and to provide a clip, a clip assembly and an electrical connection device that can prevent a chip module from tipping over when it is fixed to a circuit board, does not require an additional anti-tip mechanism and is easy to assemble.

[0006] The purpose of this application is achieved through the following technical solutions:

[0007] A clip, which is used to be detachably connected to the circuit board; the clip is formed with a positioning hole, a receiving groove and a first buckle groove which are connected in sequence, the positioning hole is used to cooperate with the socket for positioning, the receiving groove is used to limit the installation of a clamping plate, the first buckle groove is used to penetrate the heat dissipation part of the heat sink, the clamping plate is used to buckle into an assembled chip to limit and fix the first side of the chip to the socket, the second side of the chip abuts against the heat dissipation part, and the first side of the chip is arranged opposite to the second side of the chip.

[0008] In one embodiment, the receiving groove is also used to abut against the second surface of the chip.

[0009] In one embodiment, the fastener includes a fastener body, a first bending portion and a second bending portion extending outward from two sides of the fastener body respectively, the first bending portion forms a first bending groove, and the second bending portion forms a second bending groove connected to the first bending groove, so that the fastener forms the receiving groove; the first buckle groove is formed between the end of the first bending portion away from the fastener body and the end of the second bending portion away from the fastener body; the positioning hole is formed in the fastener body; and the two sides of the clamping plate are respectively limitedly installed in the first bending groove and the second bending groove.

[0010] In one embodiment, the buckle body, the first bending portion and the second bending portion are an integrally formed structure.

[0011] In one embodiment, at least one protrusion is formed on the inner wall of the receiving groove adjacent to the first buckle groove, and the protrusion abuts against the second surface of the chip.

[0012] A buckle assembly, comprising a clamping piece and the buckle described in any one of the above embodiments;

[0013] The clamping piece is located in the receiving groove and connected to the clip, so that the clamping piece is limitedly installed on the clip; the clamping piece is provided with a second clipping groove corresponding to and connected to the first clipping groove, so that the chip can be buckled into the second clipping groove when it is limitedly fixed on the socket; the bottom of the clip is used for detachable connection to the circuit board, and the top of the clip is used for detachable connection to the bracket of the radiator.

[0014] In one embodiment, the fastener assembly also includes a first locking assembly, the fastener is provided with a first through hole connected to the receiving groove, the clamping plate is provided with a second through hole, the connecting through hole is connected to the third through hole of the circuit board, and the first locking assembly is respectively passed through the first through hole, the second through hole, the third through hole and the fourth through hole of the back plate, so that the fastener can be detachably connected to the circuit board.

[0015] In one embodiment, the first locking assembly includes a first compression screw sleeve and a first bolt member, the first compression screw sleeve is located in the first through hole and is limitedly abutted against the top of the fastener, the first compression screw sleeve is provided with a first threaded hole, the first bolt member is respectively passed through the fourth through hole, the third through hole, the first through hole and the second through hole, and the first bolt member is located in the first threaded hole and is threadedly connected to the first compression screw sleeve.

[0016] An electrical connection device comprises a heat sink, a chip, a circuit board, a socket, a back plate and the clip assembly described in any of the above embodiments; the socket is fixedly connected to the circuit board, the back plate is located on the side of the circuit board facing away from the socket, the bottom of the clip is detachably connected to the circuit board, the top of the clip is detachably connected to the bracket, the socket is located in the positioning hole and connected to the clip, the chip is buckled into the second buckle groove, the socket is provided with a contact groove, the first side of the chip is located in the contact groove and abuts against the socket, a portion of the second side of the chip is exposed to the first buckle groove, and the heat dissipation part of the heat sink abuts against the second side of the chip through the first buckle groove.

[0017] In one embodiment, the electrical connection device also includes a second locking component, the bracket is provided with a fifth through hole, the buckle is provided with a sixth through hole connected to the receiving groove, the clamping plate is provided with a seventh through hole, the circuit board is provided with an eighth through hole, and the back plate is provided with a ninth through hole, and the second locking component is respectively passed through the fifth through hole, the sixth through hole, the seventh through hole, the eighth through hole and the ninth through hole.

[0018] Compared with the prior art, this application has at least the following advantages:

[0019] 1. When assembling the above-mentioned clip, first, the clamping piece is limitedly installed in the receiving groove to form a whole, and then the chip is buckled into the clamping piece and assembled; then the clip is detachably connected to the circuit board, that is, the clip is fixed to the circuit board, so that the clip, the clamping piece and the chip are assembled and fixed to the circuit board together, and the clamping piece can limit the first side of the chip to the socket; then the bracket of the heat sink can be detachably connected to the top of the clip, and the first buckle groove is used to penetrate the heat dissipation part of the heat sink, so that the second side of the chip abuts against the heat dissipation part, so that the chip is installed and fixed, the steps of installing the chip are reduced, and the convenience of chip assembly is improved;

[0020] 2. Since the clip, the clamping plate and the chip are assembled and fixed to the circuit board together, that is, the chip is assembled to the clamping plate before the clip is fixed to the circuit board, and the clamping plate is assembled to the clip before the clip is fixed to the circuit board, not only the assembly efficiency is improved, but also there is no need to add an additional anti-rollover mechanism, thereby avoiding the problem of the chip easily rolling over during the fastener locking process, and thus avoiding the chip module from rolling over when it is fixed to the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 is a schematic diagram of an electrical connection device according to an embodiment;

[0023] Figure 2 for Figure 1 A schematic diagram of the electrical connection device shown in another perspective;

[0024] Figure 3 for Figure 1 A cross-sectional view of another embodiment of the electrical connection device shown;

[0025] Figure 4 for Figure 1 A schematic diagram of a partial structure of an electrical connection device shown;

[0026] Figure 5 for Figure 4 A schematic diagram of the electrical connection device shown in another perspective;

[0027] Figure 6 for Figure 5 A BB line cross-sectional view of the electrical connection device shown;

[0028] Figure 7 for Figure 5 An exploded schematic diagram of the electrical connection device is shown. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thoroughly and comprehensively understood.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0032] The present application provides a clip, which is used to be detachably connected to the circuit board; the clip is formed with a positioning hole, a receiving groove and a first buckle groove that are connected in sequence, the positioning hole is used to cooperate with the socket for positioning, the receiving groove is used to limit the installation of a clamping plate, the first buckle groove is used to penetrate the heat dissipation part of the heat sink, the clamping plate is used to buckle the assembled chip to limit and fix the first side of the chip to the socket, the second side of the chip abuts against the heat dissipation part, and the first side of the chip is arranged opposite to the second side of the chip.

[0033] The present application also provides a clip assembly, comprising a clamping piece and the clip described in any of the above embodiments; the clamping piece is located in the receiving groove and connected to the clip, so that the clamping piece is limitedly installed on the clip; the clamping piece is provided with a second clipping groove corresponding to and connected to the first clipping groove, so that the chip is clipped into the second clipping groove when it is limitedly fixed on the socket; the bottom of the clip is used for detachable connection to the circuit board, and the top of the clip is used for detachable connection to the bracket of the radiator.

[0034] The present application also provides an electrical connection device, including a heat sink, a chip, a circuit board, a socket, a back plate and the clip assembly described in any of the above embodiments; the socket is fixedly connected to the circuit board, the back plate is located on the side of the circuit board away from the socket, the bottom of the clip is detachably connected to the circuit board, the top of the clip is detachably connected to the bracket, the socket is located in the positioning hole and connected to the clip, the chip is buckled into the second buckle groove, the socket is provided with a contact groove, the first side of the chip is located in the contact groove and abuts against the socket, a portion of the second side of the chip is exposed to the first buckle groove, and the heat dissipation part of the heat sink abuts against the second side of the chip through the first buckle groove.

[0035] When assembling the above-mentioned clip, the clamping piece is first limitedly installed in the receiving groove to form a whole, and then the chip is buckled into and assembled on the clamping piece; then the clip is detachably connected to the circuit board, that is, the clip is fixed to the circuit board, so that the clip, the clamping piece and the chip are assembled and fixed to the circuit board together, and the clamping piece can limit and fix the first side of the chip to the socket; then the bracket of the radiator can be detachably connected to the top of the clip, and the first buckle groove is used to penetrate the heat dissipation part of the radiator, so that the second side of the chip abuts against the heat dissipation part, thereby realizing the installation and fixation of the chip, reducing the steps of installing the chip and improving the convenience of chip assembly; because the clip, the clamping piece and the chip are assembled and fixed to the circuit board together, that is, the chip is assembled to the clamping piece before the clip is fixed to the circuit board, and the clamping piece is assembled to the clip before the clip is fixed to the circuit board, not only the assembly efficiency is improved, but also there is no need to add an additional anti-rollover mechanism, which avoids the problem of the chip easily tipping over during the locking process of the clip, and thus can avoid the chip module being fixed to the circuit board and tipping over.

[0036] In order to better understand the technical solutions and beneficial effects of the present application, the present application is further described in detail below in conjunction with specific embodiments:

[0037] like Figures 1 to 3 As shown, an electrical connection device 10 of an embodiment includes a heat sink 100, a chip 200, a circuit board 300, a socket 400, a back plate 500 and a clamp assembly 600. The socket 400 is fixedly connected to the circuit board 300, and the back plate 500 is located on the side of the circuit board 300 away from the socket 400, that is, the socket 400 and the back plate 500 are respectively located on both sides of the circuit board 300. Further, the clamp assembly 600 includes a clamping piece 600a and a clamp 600b; the bottom of the clamp 600b is detachably connected to the circuit board 300, and the top of the clamp 600b is detachably connected to the bracket 104 of the heat sink 100.

[0038] Furthermore, the buckle 600b is formed with a positioning hole 602, a receiving groove 604 and a first buckle groove 606 which are connected in sequence. The positioning hole 602 is used to cooperate with the socket 400 for positioning, that is, the socket 400 is located in the positioning hole 602 and connected to the buckle 600b. The receiving groove 604 is used to limit the installation of the clamping piece 600a, that is, the clamping piece 600a is located in the receiving groove 604 and connected to the buckle 600b, so that the clamping piece 600a is limitedly installed on the buckle 600b;

[0039] In one embodiment, the first surface of the chip 200 is arranged opposite to the second surface of the chip 200, that is, the first surface of the chip 200 is the bottom surface of the chip 200, and the second surface of the chip 200 is the top surface of the chip 200. In one embodiment, the socket 400 is provided with a contact groove 402, the first surface of the chip 200 is located in the contact groove 402 and abuts against the socket 400, and a portion of the second surface of the chip 200 is exposed in the first buckle groove 606. The first buckle groove 606 is used to penetrate the heat dissipation part 102 of the heat sink 100, that is, the heat dissipation part 102 of the heat sink 100 abuts against the second surface of the chip 200 through the first buckle groove 606.

[0040] Furthermore, the clamping piece 600a is provided with a second buckle groove 608 corresponding to and communicating with the first buckle groove 606, and the chip 200 is buckled into the second buckle groove 608, so that the chip 200 is buckled into the second buckle groove 608 when it is limited and fixed to the socket 400. In this embodiment, the clamping piece 600a is used to buckle the assembled chip 200, so as to limit and fix the first surface of the chip 200 to the socket 400, and the second surface of the chip 200 is in contact with the heat dissipation part 102, so that the heat dissipation part 102 is reliably in contact with the second surface of the chip 200, thereby achieving heat dissipation of the chip 200.

[0041] When assembling the above-mentioned clip 600b, clip assembly 600 and electrical connection device 10, first, the clamping piece 600a is limitedly installed in the receiving groove 604 to form a whole, and then the chip 200 is buckled into and assembled on the clamping piece 600a; then the clip 600b is detachably connected to the circuit board 300, that is, the clip 600b is fixed to the circuit board 300, so that the clip 600b, the clamping piece 600a and the chip 200 are assembled and fixed to the circuit board 300 together, and the clamping piece 600a can limit and fix the first surface of the chip 200 to the socket 400; then the bracket 104 of the heat sink 100 can be detachably connected to the top of the clip 600b, and the first buckle groove 606 is used to penetrate the heat dissipation part 102 of the heat sink 100 , so that the second surface of the chip 200 is in contact with the heat dissipation part 102, the chip 200 is installed and fixed, the steps of installing the chip 200 are reduced, and the convenience of assembling the chip 200 is improved; because the clamp 600b, the clamping piece 600a and the chip 200 are assembled and fixed to the circuit board 300 together, that is, the chip 200 is assembled to the clamping piece 600a before the clamp 600b is fixed to the circuit board 300, and the clamping piece 600a is assembled to the clamp 600b before the clamp 600b is fixed to the circuit board 300, not only the assembly efficiency is improved, but also there is no need to add an additional anti-rollover mechanism, which avoids the problem that the chip 200 is prone to rollover during the locking process of the clamp 600b, thereby preventing the chip module from being fixed to the circuit board and rolling over.

[0042] like Figure 3As shown, in one embodiment, the receiving groove 604 also abuts against the second surface of the chip 200, that is, the inner top wall of the receiving groove 604 abuts against the second surface of the chip 200, so that the chip 200 is reliably limited and fixed.

[0043] like Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, in one embodiment, the buckle 600b includes a buckle body 610, a first bending portion 620 and a second bending portion 630 extending outward from both sides of the buckle body 610, the first bending portion 620 is formed with a first bending groove 622, and the second bending portion 630 is formed with a second bending groove 632 connected to the first bending groove 622, so that the buckle 600b is formed with a receiving groove 604; a first buckle groove 606 is formed between the end of the first bending portion 620 away from the buckle body 610 and the end of the second bending portion 630 away from the buckle body 610; a positioning hole 602 is formed in the buckle body 610; the two sides of the clamping piece 600a are respectively limitedly installed in the first bending groove 622 and the second bending groove 632, so that the clamping piece 600a is limitedly installed in the receiving groove 604.

[0044] like Figure 1 , Figure 3 , Figure 4 As shown, in one embodiment, the buckle body 610, the first bending portion 620 and the second bending portion 630 are an integrally formed structure, so that the buckle body 610, the first bending portion 620 and the second bending portion 630 are firmly connected and fixed, and at the same time, the structure of the buckle 600b is more compact. In this embodiment, the buckle body 610, the first bending portion 620 and the second bending portion 630 are an integrally formed structure. It can be understood that in other embodiments, the buckle body 610, the first bending portion 620 and the second bending portion 630 are not limited to an integrally formed structure. For example, the buckle body 610, the first bending portion 620 and the second bending portion 630 are each formed and welded together.

[0045] like Figure 1 , Figure 3 , Figure 4 As shown, further, at least one protrusion is formed on the inner wall of the receiving groove 604 adjacent to the first buckle groove 606, and the protrusion abuts against the second surface of the chip 200 to better press the chip 200 against the second surface. In one embodiment, a first protrusion 621 is formed on the top of the first bending portion 620, and a second protrusion 631 is formed on the top of the second bending portion 630, and both the first protrusion 621 and the second protrusion 631 abut against the second surface of the chip 200.

[0046] like Figure 4 and Figure 6 As shown, in one embodiment, the fastener assembly 600 also includes a first locking assembly 640, the fastener 600b is provided with a first through hole 605 connected to the receiving groove 604, the clamping plate 600a is provided with a second through hole 607, the connecting through hole is connected to the third through hole 302 of the circuit board 300, and the first locking assembly 640 is respectively penetrated through the first through hole 605, the second through hole 607, the third through hole 302 and the fourth through hole 502 of the back plate 500, so that the fastener 600b can be detachably connected to the circuit board 300.

[0047] like Figures 4 to 7 As shown, in one embodiment, the first locking assembly 640 includes a first compression screw sleeve 642 and a first bolt member 644, the first compression screw sleeve 642 is located in the first through hole 605 and is limited to abut against the top of the buckle 600b, the first compression screw sleeve 642 is provided with a first threaded hole 6422, the first bolt member 644 is respectively penetrated through the fourth through hole 502, the third through hole 302, the first through hole 605 and the second through hole 607, and the first bolt member 644 is located in the first threaded hole 6422 and is screwed with the first compression screw sleeve 642, so that the buckle 600b can be detachably connected to the circuit board 300. In this embodiment, one end of the compression screw sleeve is limited to abut against the top of the buckle 600b, and the other end of the compression screw sleeve abuts against the bottom of the receiving groove 604. It can be understood that in other embodiments, the connection positions of the first clamping screw sleeve 642 and the first bolt member 644 can be interchanged, that is, the first bolt member 644 is located in the first through hole 605 and is limitedly abutted against the top of the fastener 600b, and the first clamping screw sleeve 642 is respectively inserted into the fourth through hole 502, the third through hole 302, the first through hole and the second through hole 607, and the first clamping screw sleeve 642 is located in the first threaded hole 6422 and is threadedly connected to the first clamping screw sleeve 642.

[0048] like Figure 3 and Figure 7 As shown, in one embodiment, the electrical connection device 10 also includes a second locking component 700, the bracket 104 is provided with a fifth through hole 1042, the buckle 600b is provided with a sixth through hole 609 connected to the receiving groove 604, the clamping piece 600a is provided with a seventh through hole 611, the circuit board 300 is provided with an eighth through hole 303, and the back plate 500 is provided with a ninth through hole 503, and the second locking component 700 is respectively penetrated through the fifth through hole 1042, the sixth through hole 609, the seventh through hole 611, the eighth through hole 303 and the ninth through hole 503, so that the top of the buckle 600b can be detachably connected to the bracket 104.

[0049] like Figure 3 and Figure 7As shown, further, the second locking assembly 700 includes a second compression screw sleeve 710, an elastic member 720 and a second bolt member 730, the second compression screw sleeve 710 is respectively penetrated in the fifth through hole 1042, the sixth through hole 609 and the seventh through hole 611, the second bolt member 730 is respectively penetrated in the ninth through hole 503, the eighth through hole 303 and the sixth through hole 609, the second compression screw sleeve 710 is provided with a second threaded hole 712, one end of the second bolt member 730 is located in the second threaded hole 712 and is screwed with the second compression screw sleeve 710. The elastic member 720 is sleeved on the outer peripheral wall of the second compression screw sleeve 710, and one end of the elastic member 720 abuts against the top of the second compression screw sleeve 710, and the other end of the elastic member 720 abuts against the side of the bracket 104 away from the buckle 600b, so as to fix the buckle assembly 600 with the bracket 104, the circuit board 300 and the back plate 500 respectively. In this embodiment, the elastic member 720 may be a coil spring or elastic glue.

[0050] Compared with the prior art, this application has at least the following advantages:

[0051] 1. When assembling the above-mentioned clip 600b, first, the clamping piece 600a is limitedly installed in the receiving groove 604 to form a whole, and then the chip 200 is buckled and assembled on the clamping piece 600a; then the clip 600b is detachably connected to the circuit board 300, that is, the clip 600b is fixed to the circuit board 300, so that the clip 600b, the clamping piece 600a and the chip 200 are assembled and fixed on the circuit board 300 together, and the clamping piece 600a can limit and fix the first surface of the chip 200 to the socket 400; then the bracket 104 of the heat sink 100 can be detachably connected to the top of the clip 600b, and the first buckle groove 606 is used to penetrate the heat dissipation part 102 of the heat sink 100, so that the second surface of the chip 200 is abutted against the heat dissipation part 102, so that the chip 200 is installed and fixed, the steps of installing the chip 200 are reduced, and the convenience of assembling the chip 200 is improved;

[0052] 2. Since the clip 600b, the clamping piece 600a and the chip 200 are assembled and fixed to the circuit board 300 together, that is, the chip 200 is assembled to the clamping piece 600a before the clip 600b is fixed to the circuit board 300, and the clamping piece 600a is assembled to the clip 600b before the clip 600b is fixed to the circuit board 300, not only the assembly efficiency is improved, but also there is no need to add an additional anti-rollover mechanism, thereby avoiding the problem of the chip 200 easily tipping over during the locking process of the clip 600b, thereby preventing the chip module from tipping over when fixed to the circuit board.

[0053] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A clip, which is used to be detachably connected to a circuit board; characterized in that: The clip is formed with a positioning hole, a receiving groove and a first buckle groove which are connected in sequence, the positioning hole is used for positioning with the socket, the receiving groove is used for limiting the installation of the clamping plate, the first buckle groove is used to penetrate the heat dissipation part of the heat sink, and the clamping plate is used to buckle the assembled chip to limit and fix the first side of the chip to the socket, the second side of the chip abuts against the heat dissipation part, and the first side of the chip is arranged opposite to the second side of the chip.

2. The buckle according to claim 1, characterized in that: The receiving groove is also used for abutting against the second surface of the chip.

3. The buckle according to claim 1, characterized in that: The buckle includes a buckle body, a first bending portion and a second bending portion extending outward from two sides of the buckle body respectively, the first bending portion forms a first bending groove, the second bending portion forms a second bending groove connected to the first bending groove, so that the buckle forms the receiving groove; the first buckle groove is formed between the end of the first bending portion away from the buckle body and the end of the second bending portion away from the buckle body; the positioning hole is formed in the buckle body; the two sides of the clamping plate are respectively limitedly installed in the first bending groove and the second bending groove.

4. The buckle according to claim 3, characterized in that: The buckle body, the first bending portion and the second bending portion are an integrally formed structure.

5. The buckle according to claim 2, characterized in that: At least one protrusion is formed on the inner wall of the receiving groove adjacent to the first buckle groove, and the protrusion abuts against the second surface of the chip.

6. A buckle assembly, characterized in that: A clamping piece and a buckle as claimed in any one of claims 1 to 5; The clamping piece is located in the receiving groove and connected to the clip, so that the clamping piece is limitedly installed on the clip; the clamping piece is provided with a second clipping groove corresponding to and connected to the first clipping groove, so that the chip can be buckled into the second clipping groove when it is limitedly fixed on the socket; the bottom of the clip is used for detachable connection to the circuit board, and the top of the clip is used for detachable connection to the bracket of the radiator.

7. The buckle assembly according to claim 6, characterized in that: It also includes a first locking component, the buckle is provided with a first through hole connected to the receiving groove, the clamping plate is provided with a second through hole, the connecting through hole is connected to the third through hole of the circuit board, and the first locking component is respectively penetrated through the first through hole, the second through hole, the third through hole and the fourth through hole of the back plate, so that the buckle can be detachably connected to the circuit board.

8. The buckle assembly according to claim 7, characterized in that: The first locking assembly includes a first compression screw sleeve and a first bolt member, the first compression screw sleeve is located in the first through hole and is limitedly abutted against the top of the fastener, the first compression screw sleeve is provided with a first threaded hole, the first bolt member is respectively passed through the fourth through hole, the third through hole, the first through hole and the second through hole, and the first bolt member is located in the first threaded hole and is threadedly connected to the first compression screw sleeve.

9. An electrical connection device, characterized in that: It includes a heat sink, a chip, a circuit board, a socket, a back plate and a clip assembly as described in any one of claims 6 to 8; the socket is fixedly connected to the circuit board, the back plate is located on the side of the circuit board facing away from the socket, the bottom of the clip is detachably connected to the circuit board, the top of the clip is detachably connected to the bracket, the socket is located in the positioning hole and connected to the clip, the chip is buckled into the second buckle groove, the socket is provided with a contact groove, the first side of the chip is located in the contact groove and abuts against the socket, a part of the second side of the chip is exposed to the first buckle groove, and the heat dissipation part of the heat sink abuts against the second side of the chip through the first buckle groove.

10. The electrical connection device according to claim 9, characterized in that: It also includes a second locking component, the bracket is provided with a fifth through hole, the buckle is provided with a sixth through hole connected to the receiving groove, the clamping plate is provided with a seventh through hole, the circuit board is provided with an eighth through hole, the back plate is provided with a ninth through hole, and the second locking component is respectively penetrated through the fifth through hole, the sixth through hole, the seventh through hole, the eighth through hole and the ninth through hole.

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