CN201918380U - Easy-to-remove radiator buckle - Google Patents

Abstract

The utility model discloses a radiator fastener easy to be assembled and disassembled, which is used for fixing a radiator on a heating element, the radiator fastener comprises a heat conducting plate and a plurality of locking components, the heat conducting plate is attached on the heating element, the heat conducting plate is provided with a plurality of combining holes, the combining holes comprise a large-diameter part and a small-diameter part communicated with the large-diameter part, the locking components are arranged in the combining holes, the locking member comprises a screw element and an elastic body sleeved on the screw element, the screw element is formed with a through rod, a screw head and a baffle ring which are respectively positioned at two sides of the through rod, the diameter of the through rod is slightly smaller than the size of the small diameter part, the outer diameter of the baffle ring is slightly smaller than the size of the large diameter part, the inner diameter of the elastic body is slightly larger than the outer diameter of the baffle ring, the penetrating rod and the baffle ring penetrate through the large diameter part and are positioned in the small diameter part, and the elastic body is elastically pressed between the screw head and the heat conducting plate, thereby completing the radiator buckle which is easy to assemble and disassemble.

Description

Easy-to-remove radiator buckle

technical field

The utility model relates to a fixing structure, in particular to a buckle used for a radiator.

Background technique

As the calculation speed of the internal components of electronic products has increased significantly, the heat generated per unit area has also greatly increased. Therefore, the heat generated by electronic components requires a cooling device to control the operating temperature and maintain the normal operation of electronic components.

Existing heat dissipation devices are fixed on the substrate combined with electronic components by fasteners. The heat dissipation devices include a heat conduction plate attached to the electronic components and a heat dissipation element (such as heat dissipation fins or heat pipe, etc.), wherein, the fixing method of the heat conducting plate is usually a screw as a locking element, and a ring groove for a C-shaped ring to be embedded is provided on the screw; when assembling, an elastic element is sleeved on the screw, Then pass the screw through the heat conduction plate and lock it on the base plate, and finally set the C-shaped ring buckle in the ring groove to prevent the screw from loosening.

In the above structure, due to the small size of the C-shaped ring, hand tools need to be used to spread it and be embedded in the ring groove during assembly, which makes it difficult to assemble; moreover, when the screw is to be disassembled, the C The type ring is also damaged due to forced expansion, resulting in the dilemma that it cannot be reused.

Utility model content

One purpose of the present invention is to provide a radiator fastener that is easy to disassemble. Because of its simple structure and convenient and fast assembly, it can achieve a radiator fastener that is easy to assemble and disassemble.

Another purpose of the present utility model is to provide a radiator fastener that is easy to disassemble. Since the joint hole can be set on the outer edge of the heat conduction plate, it is suitable for smaller heat conduction plates and increases the flexibility of the utility model. .

Another purpose of the present utility model is to provide a radiator fastener that is easy to disassemble. When the screw element is locked on the base plate of the heating element, the retaining ring will resist the upper part of the base plate, so that the screw element can be prevented from being overwhelmed. Screwed to avoid damage to the substrate when the screwed element is locked.

In order to achieve the above purpose, the utility model provides an easily disassembled radiator fastener for fixing the radiator on a heating element. The radiator fastener includes:

A heat conduction plate attached to the heating element, the heat conduction plate has a plurality of joint holes, each joint hole includes a large-diameter portion and a small-diameter portion connected to the large-diameter portion; and

A plurality of locking components are correspondingly installed in each of the coupling holes, each locking component includes a threaded element and an elastic body sleeved on the threaded element, the threaded element is formed with a threading rod, A threaded head and a retaining ring respectively located on two sides of the threading rod, the diameter of the threading rod is smaller than the size of the small diameter portion, the outer diameter of the retaining ring is smaller than the size of the large diameter portion, and the inner diameter of the elastic body Larger than the outer diameter of the retaining ring, the threading rod and the retaining ring pass through the large diameter portion and are repositioned in the small diameter portion, and the elastic body is elastically pressed between the screw head and the heat conducting plate.

In the above-mentioned easily disassembled radiator fastener, the plurality of coupling holes are arranged inside the heat conducting plate.

In the above-mentioned easily disassembled radiator fastener, the plurality of coupling holes are arranged on the outer edge of the heat conducting plate.

The above-mentioned easy-to-detach radiator fastener, wherein, the large-diameter part is a long groove, and the small-diameter part is an arc-shaped hole. The long groove is opened on the outer edge of the heat conducting plate and has a gap, and Extend to communicate with the arc-shaped hole.

The above-mentioned easy-to-disassemble radiator fastener, wherein, the heat conducting plate is extended and formed with a plurality of sleeves, and each of the sleeves includes a coaming plate connected to the heat conducting plate and a plate set inside the coaming plate. The plate is provided with the combination hole.

In the above-mentioned easy-to-detach radiator buckle, the large-diameter portion and the small-diameter portion are respectively arc-shaped holes, so that the coupling hole is in the shape of a gourd.

In the above-mentioned easy-to-disassemble fastener for radiators, the screwing element is a screw, and the screwing head is a screw head.

In the aforementioned easy-to-detach radiator fastener, the size of the small-diameter portion is 0.2-0.3 mm larger than the diameter of the piercing rod.

In the aforementioned easy-to-detach radiator fastener, there is a constricted portion between the large-diameter portion and the small-diameter portion, and the width of the constricted portion is smaller than the diameter of the piercing rod.

In the aforementioned easy-to-detach radiator fastener, the width of the constricted portion is 0.1 mm smaller than the diameter of the piercing rod.

The above-mentioned easy-to-disassemble radiator buckle, wherein, the heating element is combined on a circuit board, and the circuit board is provided with a plurality of locking holes corresponding to the plurality of locking members, and the plurality of screw elements are locked respectively. fixed in each of the keyholes.

The above-mentioned easy-to-assemble radiator buckle, wherein, the lock hole is a screw hole, and the screw element is also formed with a threaded section, the threaded section is screwed into the screw hole, and the retaining ring is against the on this circuit board.

In the above-mentioned easy-to-detach radiator buckle, the elastic body is a spring.

In the above-mentioned easy-to-detach radiator fastener, the elastic body is an elastic piece, and the elastic body is provided with an opening for being sleeved on the screw element.

In the above-mentioned easy-to-detach radiator buckle, the elastic piece straddles between two screw-fit elements, and the two adjacent screw-fit elements are threaded on the same elastic piece.

Compared with the prior art, the easy-to-disassemble radiator fastener of the present invention has a retaining ring formed on the screw element to prevent falling off, and a corresponding joint hole is opened on the heat conducting plate for the screw element to pass through. Set and position, because there is no need to use C-rings and hand tools to open the C-rings during assembly; moreover, when the screwing element is locked on the base plate, the retaining ring will resist the top of the base plate to prevent screwing The components are over-screwed to avoid damage to the substrate when the screwed components are locked, which increases the practicability of the utility model; in addition, when the area of the heat-conducting plate is small, these joint holes can be set on the outer edge of the heat-conducting plate, thereby borrowing This reduces the setting area of the combination hole, which further increases the flexibility of the utility model.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is the schematic diagram of the use of the utility model's easy-to-disassemble radiator buckle;

Fig. 2 is the schematic diagram of the combination of the easy-to-disassemble radiator fastener of the utility model;

Figure 3A to Figure 3C are schematic diagrams of the threading and positioning of the screw element of the present invention;

Fig. 4 is a combined cross-sectional view of the radiator buckle that is easy to disassemble and assemble according to the utility model;

Fig. 5 is the application schematic diagram of the easy-to-disassemble radiator fastener of the utility model;

Fig. 6 is an application combined sectional view of the easy-to-disassemble radiator fastener of the utility model;

Fig. 7 is the second embodiment of the radiator fastener of the utility model that is easy to disassemble;

8A and 8B are combined cross-sectional views of the second embodiment of the present invention;

Fig. 9 is the third embodiment of the radiator fastener of the utility model that is easy to disassemble;

Fig. 10 is a combined sectional view of the third embodiment of the present utility model;

Fig. 11 is the fourth embodiment of the utility model easy-to-disassemble radiator fastener;

Fig. 12 is another implementation state of the elastic body of the easy-to-disassemble radiator fastener of the utility model applied in the first embodiment;

Fig. 13 is another embodiment of the elastic body of the easy-to-disassemble radiator fastener of the present invention applied in the second embodiment;

Fig. 14 is another implementation state of the elastic body of the easy-to-disassemble radiator fastener of the utility model applied in the third embodiment;

Fig. 15 is another implementation state of the elastic body of the easily disassembled and assembled radiator fastener of the present invention applied in the fourth embodiment.

Among them, reference signs

1 Radiator Buckle 2 Radiator

3 flat heat pipes 4 cooling fins

5 Heating element 6 Circuit board

7 keyhole

10 Heat conduction plate 11 Combination hole

12 Large diameter part 13 Small diameter part

20 locking component 21 screwing element

210 Threading rod 211 Screw head

212 retaining ring 213 threaded section

22 Elastomer

10a Heat conduction plate 11a Combined hole

12a Large diameter part 120a Notch

13a small diameter part 14a constricted part

10b Heat conduction plate 11b Combined hole

14b Sleeve 140b Accommodating space

141b Hoarding 142b Plate

10c Heat conduction plate 11c Combined hole

14c sleeve 140c storage space

141c hoarding 142c plate

20’ Locking member 22’ Elastomer

220’ opening

Detailed ways

The detailed description and technical content of the present utility model are described below with accompanying drawings. However, the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Please refer to Fig. 1 to Fig. 4, which are respectively the use schematic diagram, the combination schematic diagram, the threading and positioning schematic diagram of the screw element, and the combined sectional view of the easily disassembled radiator fastener of the utility model; The radiator fastener 1 is used to fix a radiator 2, and the radiator 2 includes a flat heat pipe 3 and a cooling fin group 4 assembled on the flat heat pipe 3; the radiator fastener 1 includes a heat conduction A board 10 and a plurality of locking components 20 .

The flat heat pipe 3 is attached to the heat conducting plate 10, the heat conducting plate 10 has a plurality of coupling holes 11, each coupling hole 11 includes a large diameter portion 12 and a small diameter portion 13 communicating with the large diameter portion 12; In this embodiment, the heat conduction plate 10 is a rectangular plate, and the combination holes 11 are provided inside the heat conduction plate 10, and the large diameter portion 12 and the small diameter portion 13 are respectively arc-shaped holes, so that the The combination hole 11 is gourd-shaped.

These locking members 20 are correspondingly passed through each of the combining holes 11, each locking member 20 includes a screw element 21 and an elastic body 22 sleeved on the screw element 21, the screw element 21 is formed with a piercing rod 210, a screw head 211 and a retaining ring 212 respectively positioned on both sides of the piercing rod 210. The diameter of the piercing rod 210 is slightly smaller than the size of the small diameter portion 13, and the outer diameter of the retaining ring 212 is It is slightly smaller than the size of the large diameter portion 12 , and the inner diameter of the elastic body 22 is slightly larger than the outer diameter of the retaining ring 212 .

In this embodiment, the screwing element 21 is a screw, the screwing head 211 is a screw head, and the screwing element is formed with a thread segment 213 on the outside of the stop ring 212; The size can be set to be about 0.2-0.3 mm larger than the diameter of the piercing rod 210, and the size of the large-diameter portion 12 is set to be about 0.2-0.3 mm larger than the outer diameter of the retaining ring 212. In addition, the large-diameter portion 12 and the Between the small-diameter portions 13 is a constricted portion 14 . The width of the constricted portion 14 is slightly smaller than the diameter of the threaded rod 210 . The width of the constricted portion 14 can be set to be about 0.1 mm smaller than the diameter of the threaded rod.

Please refer to FIG. 3A to FIG. 3C. In this embodiment, the elastic body 22 is a spring. When the locking member 20 is assembled, the elastic body 22 is firstly inserted through the threaded section 213 and the stop ring 212. On the piercing rod 210, then make the piercing rod 210 and the retaining ring 212 of the threaded element 21 pass through the large diameter portion 12, and then the piercing rod 210 is directed toward the constriction portion 14 and the small diameter portion 13 Pushing, because the sizes of the constricted portion 14 and the small-diameter portion 13 are slightly smaller than the diameter of the threading rod 210 , the threading rod 210 will be positioned in the small-diameter portion 13 .

Please continue to refer to Figure 5 and Figure 6, which are the application schematic diagram and combined cross-sectional view of the easily disassembled radiator fastener of the present invention; the easily disassembled radiator fastener 1 of the present utility model is used to The device is fixed on a heating element 5, and the heating element is combined on a circuit board 6. The circuit board 6 is provided with a plurality of locking holes 7 corresponding to the locking members 20, and the plurality of screwing elements 21 are respectively locked. fixed in each of the locking holes 7; as can be seen from Figure 6, the locking hole 7 is a screw hole, and the screw element 21 is also formed with a threaded section 213, which is screwed into the screw hole, And the stop ring 212 is against the circuit board 6 , moreover, the elastic body 22 is elastically pressed between the screw head 211 and the heat conducting plate 10 .

Please also refer to Fig. 7 and Fig. 8, which are respectively the second embodiment of the easy-to-disassemble radiator fastener of the present invention; this embodiment is roughly the same as the previous embodiment, the difference is that the coupling hole 11a is located on the heat conducting plate 10a, this method can be applied in the situation where the combination holes 11a need to be opened when the shape of the heat conducting plate 10a is small. Similarly, the coupling hole 11a includes a large diameter portion 12a and a small diameter portion 13a communicating with the large diameter portion 12a. In this embodiment, the large diameter portion 12a is set as a long groove, and the small diameter portion 13a is set as An arc-shaped hole, the long slot is opened on the outer edge of the heat conducting plate 10a to form a notch 120a, and the long slot extends inward to communicate with the arc-shaped hole.

Please refer to Fig. 8A and Fig. 8B, there is a constricted portion 14a between the large-diameter portion 12a and the small-diameter portion 13a. When the locking member 20 is assembled, it is pushed in from the notch 120a of the coupling hole 11a, so that the threading rod 210 of the threaded element 21 is pushed toward the direction of the constriction portion 14a and the small diameter portion 13a, so that the threading rod 210 is pushed in the direction of the narrowing portion 14a and the small diameter portion 13a, so that the threading rod 210 The rod 210 is positioned in this small-diameter portion 13a.

Please refer to Fig. 9 and Fig. 10 again, which are the third embodiment of the easy-to-disassemble radiator fastener of the present invention; the difference between this embodiment and the first embodiment is that the heat conducting plate 10b is extended and formed with multiple sleeves 14b, each of the sleeves 14b includes a surrounding plate 141b connected to the heat conducting plate 10b and a plate 142b arranged in the surrounding plate 141b, and the plate 142b is provided with the coupling hole 11b, because the sleeve 14b forms There is an accommodating space 140b, so the locking member 20 can be combined in the accommodating space 140b, which can provide a more stable assembly method.

Please also refer to Figure 11, which is the fourth embodiment of the radiator fastener that is easy to disassemble and assemble according to the present invention. The heat conduction plate 10c is also extended and formed with a plurality of sleeves 14c, and each sleeve 14c includes a joint connecting the heat conduction plate 10c. A surrounding plate 141c and a plate 142c disposed in the surrounding plate 141c, the plate 142c is provided with the coupling hole 11c, the difference from the third embodiment is that the sleeve 14b is formed on the heat conducting plate 10c The outer edge is semi-open.

Referring again to Fig. 12 to Fig. 15, it is divided into another embodiment of the elastic body of the easy-to-disassemble radiator fastener of the present utility model, and is applied in the foregoing embodiments respectively; in Fig. 12, the heat conducting plate 10 A plurality of locking members 20' are pierced through the combining hole 11, and the locking member 20' includes a screw element 21' and an elastic body 22' sleeved on the screw element 21'; the elastic body 22' It is an elastic piece, and is provided with an opening 220' for being sleeved on the screw element 21', and the elastic piece is straddled between two screw elements 21', that is, the adjacent two screw elements The joint element 21' is set on the same elastic sheet.

In addition, in FIG. 13, the locking member 20' is applied to the case where the combination hole 11a of the heat conduction plate 10a is set on the outer edge of the heat conduction plate 10a; One side of the combination hole 11 is extended with a surrounding plate 141b' connected to the heat conducting plate 10b, and the heat conducting plate 10c is also formed with a surrounding plate 141c' connected to the heat conducting plate 10c on one side of the combining hole 11. Similarly, the locks The solid members 20' are respectively combined on the heat conducting plates 10b, 10c in the same manner.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (15)

1. An easy-to-disassemble radiator fastener for fixing the radiator on a heating element, characterized in that the radiator fastener comprises: A heat conduction plate attached to the heating element, the heat conduction plate has a plurality of joint holes, each joint hole includes a large-diameter portion and a small-diameter portion connected to the large-diameter portion; and A plurality of locking components are correspondingly installed in each of the coupling holes, each locking component includes a threaded element and an elastic body sleeved on the threaded element, the threaded element is formed with a threading rod, A threaded head and a retaining ring respectively located on two sides of the threading rod, the diameter of the threading rod is smaller than the size of the small diameter portion, the outer diameter of the retaining ring is smaller than the size of the large diameter portion, and the inner diameter of the elastic body Larger than the outer diameter of the retaining ring, the threading rod and the retaining ring pass through the large diameter portion and are repositioned in the small diameter portion, and the elastic body is elastically pressed between the screw head and the heat conducting plate. 2 . The easily disassembled radiator fastener according to claim 1 , wherein the plurality of coupling holes are disposed inside the heat conducting plate. 3 . 3 . The easily disassembled radiator fastener according to claim 1 , wherein the plurality of coupling holes are disposed on the outer edge of the heat conducting plate. 4 . 4. The easily disassembled radiator fastener according to claim 3, wherein the large diameter portion is a long groove, the small diameter portion is an arc-shaped hole, and the long groove is opened on the outer surface of the heat conducting plate The edge has a notch and extends inward to communicate with the arc-shaped hole. 5. The easily detachable radiator fastener according to claim 2 or 3, characterized in that, the heat conducting plate is extended and formed with a plurality of sleeves, and each of the sleeves includes a shroud and a device connected to the heat conducting plate. A plate in the enclosure, the plate is provided with the combination hole. 6 . The detachable radiator fastener according to claim 1 , wherein the large-diameter portion and the small-diameter portion are arc-shaped holes, so that the coupling hole is gourd-shaped. 7 . 7. The easy-to-detach radiator fastener according to claim 1, wherein the screw element is a screw, and the screw head is a screw head. 8 . The easy-to-detach radiator fastener according to claim 1 , wherein the size of the small-diameter portion is 0.2-0.3 mm larger than the diameter of the through-rod. 9. The easily disassembled radiator buckle according to claim 1, characterized in that there is a constricted part between the large diameter part and the small diameter part, and the width of the constricted part is smaller than the diameter of the threading rod . 10 . The easy-to-detach radiator fastener according to claim 9 , wherein the width of the constricted portion is 0.1 mm smaller than the diameter of the through rod. 11 . 11. The easily detachable radiator fastener according to claim 1, wherein the heating element is combined on a circuit board, and the circuit board is provided with a plurality of locking holes corresponding to the plurality of locking members , the plurality of screw elements are respectively locked in each of the locking holes. 12. The easy-to-disassemble radiator fastener according to claim 11, wherein the lock hole is a screw hole, and the screw element is also formed with a threaded section, and the threaded section is screwed into the screw hole , and the stop ring is against the circuit board. 13. The easy-to-detach radiator fastener according to claim 1, wherein the elastic body is a spring. 14 . The easily disassembled radiator fastener according to claim 1 , wherein the elastic body is an elastic piece, and the elastic body is provided with an opening for being sleeved on the screw element. 15 . 15 . The easy-to-detach radiator fastener according to claim 14 , wherein the elastic piece straddles between two threaded elements, and the two adjacent threaded elements pass through the same elastic piece. 16 .

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