CN2807715Y

CN2807715Y - Hollow sealed damping hinge

Info

Publication number: CN2807715Y
Application number: CN 200520042750
Authority: CN
Inventors: 陈祖豪
Original assignee: EAST CHINA INSTITUTE OF COMPUTER TECHNOLOGY
Current assignee: EAST CHINA INSTITUTE OF COMPUTER TECHNOLOGY
Priority date: 2005-06-22
Filing date: 2005-06-22
Publication date: 2006-08-16
Anticipated expiration: 2015-06-22

Abstract

The utility model relates to a hollow sealed damping hinge which comprises an interior hinge and an external hinge, wherein the interior hinge and the external hinge are both hollow communicated cylinders. The external surface of a cylinder at one end of the interior hinge is surrounded with a circumference-shaped groove, an elastic sealing ring of which the outside diameter is slightly greater than the depth of the circumference-shaped groove is nested in the circumference-shaped groove, and the outside diameter of the cylinder at the end of the interior hinge is matched with the internal diameter of a cylinder at one end of the external hinge and is sheathed into the cylinder. The hollow sealed damping hinge with the structure is adopted, an elastic sealing ring is arranged between the interior hinge and the external hinge, damping is increased, and a good sealing action is played. The switching part of electronic equipment can bear strong vibration impact, and simultaneously the utility model can be used in the adverse environments, such as raining environments, etc. Meanwhile, because the hollow sealed damping hinge has the advantages of simple structure, convenient manufacture and low cost, the utility model is especially suitable for the application of reinforced type mobile electronic equipment.

Description

The hollow seal damp hinge

Technical field

The utility model relates to field of portable electronic apparatus, and particularly the reinforcement type field of portable electronic apparatus specifically is meant a kind of hollow seal damp hinge.

Background technology

In the modern life, the portable set that people use is more and more, and the design of wherein various folding parts is more and more general, wherein not only will satisfy the needs of folding, also will satisfy the needs that are electrically connected of two parts or a plurality of parts simultaneously.And the display screen of civilian portable electric appts (as computer) in the market is to adopt solid damp hinge with connecting of main frame, the cable that electrical equipment connects covers with plastic shell, can't accomplish sealing, and can't bear vibratory impulse, the test of adverse circumstances such as drench with rain.

The utility model content

The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provide a kind of can withstand than strong vibration impact, strong, the electric good airproof performance of stability, intensity are higher, can adapt to various adverse circumstances, the extensive hollow seal damp hinge of application surface.

In order to realize above-mentioned purpose, hollow seal damp hinge of the present utility model has following formation:

This hollow seal damp hinge, comprise inner hinge and outer hinge, its main feature is, described inner hinge is the cylinder that hollow is communicated with outer hinge, one end cylinder outer surface of described inner hinge is surrounded with a circumferential groove, the elastic seal ring that external diameter is slightly larger than this circumferential groove degree of depth is nested in this groove, and the internal diameter of the external diameter of this end cylinder of described inner hinge and an end cylinder of outer hinge is complementary and is set in wherein.

The cylinder that the inner hinge of this hollow seal damp hinge and the hollow of outer hinge are communicated with is the L type stainless steel cylinder that hollow is communicated with, and all is evenly distributed with several fixed screw holes on the other end cylinder end face of the not mutual sheathing of described inner hinge and outer hinge.

The elastic seal ring of this hollow seal damp hinge is a rubber seal.

The cross section of the rubber seal of this hollow seal damp hinge can be circle, ellipse, rectangle, rhombus, triangle, hexagon or octagon.

Adopted the hollow seal damp hinge of this utility model, because the folding part at electronic equipment connects by this hollow seal damp hinge, wherein has elastic seal ring between inner hinge and the outer hinge, increased damping, and played good sealing function, make the folding part of this electronic equipment can bear stronger vibratory impulse, can in adverse circumstances such as drench with rain, use simultaneously; Simultaneously, because this hollow seal damp hinge is simple in structure, easy to make, with low cost, therefore be particularly suitable for the application in the reinforcement type portable electric appts.

Description of drawings

Fig. 1 is the side sectional structure chart of hollow seal damp hinge of the present utility model.

Fig. 2 is the front view of hollow seal damp hinge of the present utility model.

Fig. 3 is another lateral plan of hollow seal damp hinge of the present utility model.

Fig. 4 is the stereogram of hollow seal damp hinge of the present utility model.

Embodiment

In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.

See also Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, this hollow seal damp hinge, comprise inner hinge 1 and outer hinge 2, wherein, described inner hinge 1 is the L type stainless steel cylinder that hollow is communicated with outer hinge 2, be used for being connected with casing, one end cylinder outer surface of described inner hinge 1 is surrounded with a circumferential groove 11, the elastic seal ring 3 that external diameter is slightly larger than these circumferential groove 11 degree of depth is nested in this groove 11, this elastic seal ring 3 is a rubber seal, its shape of cross section can be circle, oval, rectangle, rhombus, triangle, hexagon or octagon, the internal diameter of the external diameter of this end cylinder of described inner hinge 1 and an end cylinder of outer hinge 2 is complementary and is set in wherein, have several equally distributed fixed screw holes 121 on the one end cylinder end face 12 of the not suit of this inner hinge 1, be four screw holes in the drawings, and mutually deserved several fixed screw holes that also are evenly distributed with on the end cylinder end face of the not suit of outer hinge 2.

In the middle of reality was used, the utility model hinge adopted stainless steel material to process, and uses interference fits between hinge, used round rubber seal to seal in inner hinge 1 and outer hinge 2 and increased damping.The intensity of hinge can satisfy sine sweep 5Hz-500Hz, the vibration index of acceleration 3.5g, the impact index of 30g; Sealing can satisfy 1 hour rain test; The damping of hinge will make opening and closing part keep stable at vibrational state.

Inner hinge 1 is connected with screw with casing respectively with outer hinge 2, the connection holding wire of keyboard or display screen and main frame can from inner hinge 1 and outside pass through the hinge 2.

But but this hollow seal damp hinge is mainly used in the keyboard of reinforcement type portable computer folding and connection or the display screen of folding and connecting of main frame of main frame.

In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims

1, a kind of hollow seal damp hinge, comprise inner hinge and outer hinge, it is characterized in that, described inner hinge is the cylinder that hollow is communicated with outer hinge, one end cylinder outer surface of described inner hinge is surrounded with a circumferential groove, the elastic seal ring that one external diameter is slightly larger than this circumferential groove degree of depth is nested in this groove, and the internal diameter of the external diameter of this end cylinder of described inner hinge and an end cylinder of outer hinge is complementary and is set in wherein.

2, hollow seal damp hinge according to claim 1, it is characterized in that, the cylinder that the hollow of described inner hinge and outer hinge is communicated with is the L type stainless steel cylinder that hollow is communicated with, and all is evenly distributed with several fixed screw holes on the other end cylinder end face of the not mutual sheathing of described inner hinge and outer hinge.

3, hollow seal damp hinge according to claim 1 and 2 is characterized in that, described elastic seal ring is a rubber seal.

4, hollow seal damp hinge according to claim 3 is characterized in that, the cross section of described rubber seal is circle, ellipse, rectangle, rhombus, triangle, hexagon or octagon.