CN2426178Y

CN2426178Y - Snap fastener

Info

Publication number: CN2426178Y
Application number: CN 00236081
Authority: CN
Inventors: 高建民
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-05
Filing date: 2000-06-05
Publication date: 2001-04-04
Anticipated expiration: 2010-06-05

Abstract

The utility model relates to a fastening device, particularly a fastening device which is used for fastening a heat radiating fin on a chip which is combined on a socket. Therefore, the heat radiating fin can be close appressed with the chip for achieving excellent heat radiating effect. The fastening device comprises at least one sheet-shaped body and an operating body, wherein, an annular part is formed on one end of the sheet-shaped body, and the annular part is movably fastened with and connected with the operating body in a coating mode. Therefore, the annular part and the operating body which are stably combined can not be disengaged, and that fine force application is applied on the operating body is convenient to adjusting the fastening to the angle of the socket. The fastening device is used for easily fastening the heat radiating fin on the chip which is combined on the socket by means of the smallest force application.

Description

Buckling device

The utility model relates to a kind of buckling device that heat radiator is snapped onto on the chip that is incorporated into socket.

No. 85215558 patent case discloses a kind of simple and easy buckling device of computer cpu heat radiator, this buckling device is with one-body molded left and right side plate and the press part of being formed with of impact style, the upper end of this left and right side plate is outwards to bend and the formation pulling part, and its lower end is provided with button hole to be incorporated into the set barb in ZIF runners both sides; The both sides of this press part are the formation shell fragments that is inclined upwardly, should be the both sides that are incorporated into left plate wherein by sincere plate shell fragment on one side, the another side shell fragment then is bent into flat board, extend internally out in its appropriate location broad the position and form by the portion of putting, and dull and stereotyped be bent into the both sides that the circular arc shell fragment is linked to right plate again.

The buckling device of aforementioned No. 85215558 patent case is after the left plate of one end is fastened on the barb of runners than low side edge earlier with set main button hole, right plate must apply a deflection force earlier to cause the deflection distortion, further applying a downward pressure again causes to bottom offset, just can make the set button hole of this right plate be fastened on the barb of runners higher side, suppress the purpose of the chip on runners to finish heat radiator.

But because of right plate must apply that deflection force and two strength of downforce just can cause the deflection distortion and to bottom offset, improper sprained finger or the skin and flesh of may causing of operator's application of force dampened.Thereby No. 85215558 patent case shows in the design of right plate and disappearance is arranged and remains to be improved.

Moreover its plates of general buckling device are because of being operating body to seize the mode snapping on both sides by the arms, are landing in the test, and both very easily break away from aforementioned plates and operating body and the fastening function can't be provided.

The purpose of this utility model is to provide a kind of and promptly is easy to heat radiator is snapped onto on the chip that is incorporated on the socket with the lightest application of force, to avoid the operator to point or the buckling device of the injury of hand.

Above-mentioned purpose of the present utility model is realized by following technical scheme.

A kind of buckling device comprises: at least one plates and this plates one end form annulus, and an operating body, and aforementioned plates are followed the aforementioned operation body by set annulus to coat the mode movable button.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

Operating body has operating portion and perpendicular to the buckling parts of operating portion, and this buckling parts is separated into the perforation and the button hole of configuration up and down with set transverse slat, and aforementioned annulus is transverse slat to be coated on wherein in the coating mode around perforation and button hole;

The operating portion of operating body is to be the recessed plate-like that is easy to grip.

Advantage of the present utility model is:

The buckling device that the utility model provides, comprise at least one plates and an operating body, aforementioned plates mainly constitute annulus at the one end, this annulus is to follow the aforementioned operation body to coat the mode movable button, thereby both associativities are firm, can not break away from, and only impose on operating body and can adjust the deflection angle of snapping to the set barb of socket with little application of force, and then cause displacement and make buckling device promptly be easy to heat radiator is snapped onto the chip that is incorporated on the socket with the lightest application of force with downforce, to avoid the operator to point or the injury of hand.

Fig. 1 is the utility model structure skeleton view.

Fig. 2 is Fig. 1 front view.

Fig. 3 is Fig. 2 sectional view.

Fig. 4 is that the utility model one end is buckled in socket left side barb, the heat radiator compacting is asked the front view of the chip that is incorporated into socket as yet, and the heat radiator among the figure is cross-section structure, and the imaginary operating state of display operation body.

Fig. 5 further snaps onto socket right side barb according to the imaginary operating state operation of operating body with the utility model other end with Fig. 4, and heat radiator is compressed on the front view on the chip that is incorporated into socket fully.

As Fig. 1, Fig. 2 and shown in Figure 3, the utility model buckling device 1, comprise plates 10 and operating body 20, wherein: the left end of aforementioned plates 10 is the buckling parts 15 for being provided with button hole 16, this buckling parts 15 is connecting pressing part 13 through connecting portion 14, extends to form acclivitous elastic 12 to the right by pressing part 13 again and is bent to form the annulus 11 of a closed at the right-hand member (being the right-hand member of plates 10) of this elastic 12; Aforementioned operation body 20 has the operating portion 21 of a recessed plate-like that is easy to grip and perpendicular to the buckling parts 22 of preceding operating portion 21, buckling parts 22 is provided with perforation 24 and the button hole 23 that is separated into configuration up and down by transverse slat 25, aforementioned annulus 11 is to pass perforation 24 earlier to analyse back and pass button hole 23 and in the coating mode transverse slat 25 is coated in the annulus 11 before formation, makes to visit to make the firm right-hand member that is combined in plates 10 of body 20 also thereby make operating body 20 be the active buckle state.

Please referring to Fig. 4, left end is provided with barb 32, right-hand member and is provided with barb 33, front side and is provided with ZIF (low insertion force) the type socket 30 of control lever 31 and is inserted in the chip 40 on the socket 30 and is placed in a plurality of fins 52 of having of chip 40 upper surfaces by substrate 51 upwardly extending heat radiator 50 among the figure, is also to be seen in aforementioned No. 85215558 patent case for common formation.

In Fig. 4, the button hole 16 of the utility model buckling device 1 left end buckling parts 15 is barbs 32 that first snapping socket 30 left ends, 10 of the plates of buckling device 1 cross the groove of heat radiator 50 and the substrate 51 of mat pressing part 13 by pasting heat radiator 50, at this moment, the operator with finger grip operating portion 21 earlier according to direction shown in the arrow A can be easily with operating body 20 deflections one suitable angle also further according to direction shown in the arrow B with operating portion 21 press down be actuatable elastic 12 downward elastic deformations and with the button hole 23 of buckling parts 22 successfully snapping the barb 33 of socket 30 right-hand members, as shown in Figure 5, promptly heat radiator 50 driving fits are being reclined in this way by the elastic deformation pressure of elastic 12 and by pressing part 13 upper surface of chip 40 with the thermal source of conduction chip 40 with its heat radiation.

In previous embodiment of the present utility model, buckling device 1 is to have plates 10, but also can be provided with two plates 10 and the shared buckling parts 15 of two plates as No. 85215558 patent case of prior art, but the annulus 11 that two plates 10 are set up separately still is incorporated into the disclosed operating body 20 of same the utility model, thereby, divide the set pressing part of each plates of mat to suppress heat radiator jointly again by elastic 12 elastic deformations that operating body 20 is actuatable two plates 10 of operation.

The utility model provides a kind of buckling device, this buckling device comprises at least one plates and an operating body, aforementioned plates mainly constitute annulus at the one end, this annulus is to follow the aforementioned operation body to coat the mode movable button, thereby both associativities are firm, can not break away from, and only impose on operating body and can adjust the deflection angle of snapping to the set barb of socket with little application of force, and then cause displacement and make buckling device promptly be easy to heat radiator is snapped onto the chip that is incorporated on the socket with the lightest application of force with downforce, to avoid the operator to point or the injury of hand.

Certainly, the not strict restriction annulus of the utility model be shaped as illustrated ellipse, other all can be the utility model such as circular, square, rectangle etc. and use; And the angle that aforementioned annulus combines with elastic, the utility model is not also limited.

Claims

1, a kind of buckling device comprises: at least one plates and this plates one end form annulus, and an operating body, and aforementioned plates are followed the aforementioned operation body by set annulus to coat the mode movable button.

2, buckling device as claimed in claim 1, it is characterized in that: operating body has operating portion and perpendicular to the buckling parts of operating portion, this buckling parts is separated into up and down the perforation and the button hole of configuration with set transverse slat, and aforementioned annulus is transverse slat to be coated on wherein in the coating mode around perforation and button hole.

3, buckling device as claimed in claim 1 is characterized in that: the operating portion of operating body is to be the recessed plate-like that is easy to grip.