CN201133407Y - elastic buckle - Google Patents

Abstract

The utility model relates to an elastic buckle, which is used for fixing devices such as a radiator on a circuit board and comprises a fixed element, a cylinder and an elastic element, wherein the fixed element is provided with a head and a fixed section, a convex ring is formed on one side of the fixed section, the cylinder is made of non-conductive material and is provided with a hollow hole for the fixed element to penetrate through, the cylinder extends inwards to form a snap ring, the snap ring is mutually clamped and connected with the convex ring, and the two ends of the elastic element are respectively clamped and pulled between the head and the cylinder; therefore, the non-conducting characteristic of the cylinder can prevent the circuit board from being damaged due to the phenomenon of short circuit caused by the contact of the circuit board and devices such as a radiator and the like, and the elastic force of the elastic element can prevent the devices such as the radiator and the like from being damaged due to the overlarge force of fixing the devices on the circuit board.

Description

elastic buckle

technical field

The utility model relates to an elastic buckle, in particular to an elastic buckle for fixing radiators and other devices on a circuit board.

Background technique

General electronic components such as the central processing unit will generate a lot of heat during operation. If the heat generated is not removed in time, the temperature of the working environment of the electronic components will rise, which will seriously affect the normal operation of the electronic components. Therefore Usually, a heat sink is fixed on the surface of the heating electronic component to achieve the effect of heat dissipation; the heat sink can be combined with the circuit board by means of a special fastener structure, but this method needs to increase the mold cost when manufacturing the fastener. And increase the cost.

Another combination method is to combine the radiator and the circuit board with screws. However, since the circuit board is relatively fragile, this method will cause the circuit board to be easily damaged by excessive screw locking force.

Therefore, a kind of existing elastic fixing device has been developed, please refer to Fig. 1, which is characterized in that a spring b is used to cover a screw a, and the screw a locks the radiator c and the back plate e to dissipate heat The device c is closely attached to the processor f on the circuit board d. Since the spring b has been sleeved in the screw a, the spring b will be against the head of the screw a and the surface of the radiator c. Because of the elastic recovery force of the spring b and the locking force of the screw a, the heat sink c and the processor f on the circuit board d can be combined without excessive locking force, which can avoid damage to the circuit board d, but This method still has a problem: because both the screw a and the spring b are made of metal, it is easy to cause the circuit board d and the heat sink c to form a path and cause a short circuit, so that the electronic components on the circuit board d (not shown in the picture) cannot function normally, resulting in damage to the circuit board d. Therefore the designer of the utility model promptly improves at this problem point.

Contents of the invention

The purpose of this utility model is to: provide an elastic buckle to provide radiators and other devices to be fixed on the circuit board. The cylinder column in the elastic fastener is made of non-conductive material. The non-conductive property prevents circuit boards from being damaged due to short circuits caused by contact with heat sinks and other devices.

In order to achieve the above object, the technical scheme adopted by the utility model includes:

An elastic buckle, characterized in that: comprising:

A fixing element has a head and a fixing section, and a protruding ring is formed on one side of the fixing section;

a cylindrical post having a hollow hole through which the fixing element passes, and a snap ring extending inwardly from the cylindrical post, and the snap ring is snap-connected with the protruding ring; and

An elastic element, the two ends of which are respectively elastically clamped between the head and the column.

In order to achieve the above object, the technical solution adopted by the utility model also includes:

An elastic buckle, characterized in that: comprising:

A fixing element has a head and a fixing section, a protruding ring is formed on one side of the fixing section, and a fixing ring is further formed between the head and the protruding ring;

a cylindrical post having a hollow hole through which the fixing element passes, and a snap ring extending inwardly from the cylindrical post, and the snap ring is snap-connected with the protruding ring; and

An elastic element is clamped and fixed with the fixing ring, and the two ends of the elastic element are respectively elastically clamped between the head and the column.

Compared with the prior art, the utility model adopting the above-mentioned technical solution has the advantages that: in this way, the non-conductive characteristics of the column can prevent the circuit board from being damaged due to short circuit caused by contact with the heat sink and other devices, and, The elastic force of the elastic element can prevent devices such as radiators from being fixed on the circuit board due to excessive force, resulting in damage to the circuit board.

Simple illustration

Fig. 1 is the perspective view of existing structure;

Fig. 2 is the three-dimensional exploded view of the first preferred embodiment of the present utility model;

Fig. 3 is the sectional view of the first preferred embodiment of the utility model;

Fig. 4 is a three-dimensional exploded view of the application of the first preferred embodiment of the present invention to the fixing of the radiator;

Fig. 5 is a sectional view of the first preferred embodiment of the present invention applied to radiator fixing;

Fig. 6 is a cross-sectional view of the second preferred embodiment of the present invention.

Explanation of reference signs: a-screw; b-spring; c-radiator; d-circuit board; e-backboard; f-processor; 10-fixed element; 11-fixed section; Head; 14-fixing ring; 20-elastic element; 30-column; 31-hollow hole; 32-clip; 33-fixing groove; 60-radiator; 61-fixing hole; 70-circuit board; Through hole; 72-heating element.

Detailed ways

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

Please refer to Fig. 2 and Fig. 3, which are the three-dimensional exploded view and the cross-sectional view of the first preferred embodiment of the present utility model respectively. The present utility model provides an elastic buckle for Provide radiators and other devices to be fixed on the circuit board (such as the motherboard), the elastic buckle includes a fixing element 10, which has a fixing section 11 and a head 13, and one side of the fixing section 11 is formed There is a convex ring 12; the elastic buckle further includes a column 30, the column 30 is made of non-conductive materials such as plastic, pottery, rubber, glass, etc., and has a fixed The hollow hole 31 through which the element 10 passes, the cylinder column 30 extends inwardly with a clasp 32, and the clasp 32 is interlockingly connected with the protruding ring 12; and an elastic element 20, the The elastic element 20 can be a compression spring, and its two ends are elastically clamped on the top surface of the head 13 and the column 30 respectively.

Please refer to Fig. 4 and Fig. 5, which are respectively the three-dimensional exploded view of the first preferred embodiment of the present invention applied to the fixing of the radiator and the sectional view of the first preferred embodiment applied to the fixing of the radiator. The configuration of the cooling device of the upper computer is that a heat sink 60 is attached to the heating element 72 on the circuit board 70, and the elastic buckle is for the heat sink 60 to be fixed on the circuit board 70. The elastic buckle passes through the through hole 71 on the circuit board 70 from bottom to top and locks with the fixing hole 61 on one side of the heat sink 60, while the top of the column 30 is attached to the bottom surface of the circuit board 70 Then, at this time, the elastic element 20 will be compressed to generate an elastic recovery force, which can prevent the circuit board 70 from being damaged due to excessive screw locking force between the fixing section 11 and the fixing hole 61. In addition, Because the diameter of the through hole 71 is greater than the diameter of the fixed section 11 of the fixed element 10, the fixed section 11 is not in contact with the circuit board 70, which can prevent the current passing through the circuit on the circuit board 70 from directly passing through the fixed element 10. Flow to the heat sink 60 to form a short circuit and damage the circuit board 70, and the column 30 has a non-conductive characteristic, and the column 30 is attached to the bottom surface of the circuit board 70, so that the circuit board The current on the line 70 is blocked by the column 30, preventing the current on the circuit board 70 from passing to the fixing element 10 and the elastic element 20 to form a short circuit and damage the circuit board 70.

Please refer to Fig. 6, which is a cross-sectional view of the second preferred embodiment of the present utility model, a fixed ring 14 can be formed between the head 13 and the protruding ring 12, the fixed ring 14 is for the clamping and fixing of the elastic element 20. The top surface of the column 30 is provided with a fixing groove 33 concentric with the hollow hole 31. The elastic element 20 can be compressed in a conical shape. The two ends of the spring are elastically clamped on the bottom of the head 13 and the fixing groove 33, and the elastic element 20 is fixed by the fixing ring 14 and the fixing element 10. In addition, in the In one embodiment, a fixing ring 14 can also be formed between the head 13 and the protruding ring 12, so that the elastic element 20 can be positioned more accurately.

The above description is only illustrative, rather than restrictive, of the present utility model. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the limitable scope of the claims of the present utility model.

Claims (14)

1. elastic fastener is characterized in that: comprising:

One fixed element has a head and a holding part, and a side of described holding part forms a bulge loop;

One barrel mast has a hollow hole that wears for described fixed element, the described barrel mast snap ring that extended internally, and described snap ring is to be connected with the mutual clip of described bulge loop; And

One elastic element, its two ends elastic clip are respectively pulled between described head and described barrel mast.

2. elastic fastener according to claim 1 is characterized in that: described elastic element is a pressure spring.

3. elastic fastener according to claim 1 is characterized in that: described barrel mast forms a fixed groove concentric with described hollow hole, with the folder described elastic element of pulling.

4. elastic fastener according to claim 1 is characterized in that: the material of described barrel mast is a plastic cement.

5. elastic fastener according to claim 1 is characterized in that: the material of described barrel mast is a pottery.

6. elastic fastener according to claim 1 is characterized in that: the material of described barrel mast is a rubber.

7. elastic fastener according to claim 1 is characterized in that: the material of described barrel mast is a glass.

8. elastic fastener is characterized in that: comprising:

One fixed element has a head and a holding part, and a side of described holding part forms a bulge loop, more forms a retaining ring between described head and the described bulge loop;

One barrel mast has a hollow hole that wears for described fixed element, the described barrel mast snap ring that extended internally, and described snap ring is to be connected with the mutual clip of described bulge loop; And

One elastic element is to connect and fix with described retaining ring, pulls between described head and described barrel mast in described elastic element two ends elastic clip respectively.

9. elastic fastener according to claim 8 is characterized in that: described elastic element is a taper pressure spring.

10. elastic fastener according to claim 8 is characterized in that: described barrel mast forms a fixed groove concentric with described hollow hole, with the folder described elastic element of pulling.

11. elastic fastener according to claim 8 is characterized in that: the material of described barrel mast is a plastic cement.

12. elastic fastener according to claim 8 is characterized in that: the material of described barrel mast is a pottery.

13. elastic fastener according to claim 8 is characterized in that: the material of described barrel mast is a rubber.

14. elastic fastener according to claim 8 is characterized in that: the material of described barrel mast is a glass.

Images