CN2804313Y

CN2804313Y - Door hinge

Info

Publication number: CN2804313Y
Application number: CN 200520019095
Authority: CN
Inventors: 杨境铨
Original assignee: HUA FENG MACHINERY CO Ltd
Current assignee: HUA FENG MACHINERY CO Ltd
Priority date: 2005-05-18
Filing date: 2005-05-18
Publication date: 2006-08-09
Anticipated expiration: 2015-05-18

Abstract

The utility model provides a door hinge which is suitable to be connected between a door plate and a frame component, so that the door plate can rotate relative to the frame component to be positioned at the open position and the closed position of a door. The door hinge of the utility model is mainly provided with an elastic assembly which is circled on each pivot used for connecting a fixed element with a connecting element, and two extending arms are arranged at both ends of the elastic assembly, wherein one extending arm leans against the pivot which is used for connecting the connecting component with a linking component, and the other extending arm leans against the two pivots which are used for connecting the linking component and a rotating component. The elastic component of the utility model enables the rotating component to return through the reset force which is not obtained from the impetus of the linking component, so the linking component can not be worn during closing the door and opening the door, and the service life of the inking component can be extended.

Description

Door hinge

Technical field

The utility model relates to a kind of hinge, particularly a kind of door hinge that prolongs the application life of inner body.

Background technology

Progress along with society, people more and more pay attention to quality of the life and safety, with regard to regard to home environment, most important safety no more than door, in view of this, common now door-plate all increases its weight to improve safety, the weight that but increases door-plate also can face some problems and have to be solved, for example being connected in hinge between door-plate and the framework and whether can ordering about the switch motion of door-plate, make it more smooth and easy and reach the labour-saving purpose, is the make joint efforts direction of research of present industry.

Based on above-mentioned, a kind of " Barometric hinge " (Taiwan patent announcement M248875 number) proposed before the utility model applicant, it adopts the combined type design of pneumatic cylinder and elastic parts and can reach laborsaving and buffering effect, and make at closing time, door-plate can not cut out rapidly, and causes finger to weigh or produce the big sound wounded, and when opening the door, bigger and lasting strength can be not need bestowed, door-plate can be opened.

See also Fig. 1,2-1, and 2-2 shown in, the Barometric hinge that proposes before the utility model applicant mainly be by a fixture 11, a tumbler 12, a connection piece 13, and a reset unit 30 constituted.Wherein, fixture 11 and tumbler 12 are fixedly arranged on respectively on a framework 10 and the door-plate 20, connector 13 is connected between fixture 11 and the tumbler 12, reset unit 30 is arranged at 12 of above-mentioned fixture 11 and tumblers, it includes a pneumatic cylinder 18, an elastic parts 17, reaches a supporting member 14, and elastic parts 17 is one to have the torsionspring that two adjutages 171 and extend protuberance 172, wherein two adjutages 171 are resisted against the inwall 113 of fixture 11, and extend the top 144 that protuberance 172 is resisted against supporting member 14.

When opening door-plate 20 to opening position (Fig. 2-1), supporting member 14 is the top above-mentioned elastic parts 17 of pulling, and supporting member 14 will drive cylinder axis 181 and stretch in the pneumatic cylinder 18; And when closing door-plate 20 (as Fig. 2-2), elastic parts 17 will produce a restoring force that supporting member 14 is resetted in its process, reset to drive supporting member 14, and also can drive cylinder axis 181 stretches out pneumatic cylinder 18 to supporting member 14 at this moment, make pneumatic cylinder 18 produce a cushion effect that supporting member 14 can slowly be resetted, make door-plate 20 can slowly move to the position of closing the door by above-mentioned restoring force and cushion effect, door-plate 20 is resetted fast with the restoring force of avoiding elastic parts 17 to be produced.

From the above, supporting member 14 has three functions, the first is in order to the top above-mentioned elastic parts 17 of pulling, make it produce a restoring force that supporting member 14 is resetted, another is in order to avoid door-plate 20 at opening position, because of the restoring force of elastic parts 17 causes door-plate 20 excessive opening, be again first in the process of door-plate 20 foldings in order to the cylinder axis 181 of interlock pneumatic cylinder 18.Yet, above-mentioned design is defectiveness still in use, mode owing to the elastic parts 17 of pulling by supporting member 14 tops, make door-plate 20 produce the restoring force that resets, therefore extension protuberance 172 mutual friction mutually of the top 144 of supporting member 14 and elastic parts 17, regular like this friction causes the distortion or the damage of supporting member 14 easily, and then influences the folding of door-plate 20.Certainly, the distortion of supporting member 14 or damage also can cause being difficult for interlock pneumatic cylinder 18, the function that pneumatic cylinder 18 can't be brought into normal play.And the mode that solves at present is at the top 144 of supporting member 14 and 172 coatings of extension protuberance lubrication oil of elastic parts 17, though this mode can be slowed down the situation of supporting member 14 and 17 frictions of elastic parts, but because the restriction of mechanism design own, supporting member 14 must contact and could move with elastic parts 17, therefore can't avoid supporting member 14 distortion or damage under using repeatedly.

The utility model content

Therefore, the purpose of this utility model is to provide a kind of door hinge, except that the action that can keep the door-plate folding smooth and easy and reach laborsaving, also can prolong application life of inner body.

Based on above-mentioned purpose, the utility model provides a kind of door hinge, and it is suitable for being connected on a door-plate and the framework, so that door-plate can be with respect to the framework turn, and is positioned an opening position and a position of closing the door.Door hinge of the present utility model mainly be by a fixture, a tumbler, a connection piece, a moving part, one first pivot, one second pivot, and one the 3rd pivot constituted, wherein fixture is arranged at the edge of framework; Tumbler is arranged at the edge of door-plate; The two ends of connector articulate with fixture and tumbler respectively by first pivot and second pivot; The two ends of moving part then articulate with fixture and tumbler respectively by the 3rd pivot and second pivot; And the utility model mainly is arranged with an elastic parts on first pivot, this elastic parts has two adjutages, and those adjutages are resisted against respectively on second pivot and the 3rd pivot, when door-plate is moved to when closing the door the position by opening position, can obtain discharging to the elastic parts power of pressing by second pivot and the 3rd pivot, and produce a restoring force that tumbler is resetted, so that door-plate recovers to close the door the position.

Because elastic parts of the present utility model directly do not contact with moving part (being existing supporting member), thus moving part not can with the elastic parts friction, and cause the distortion or the damage of moving part, so can prolong the application life of moving part.

Description of drawings

Fig. 1 is the exploded view of existing pneumatic hinge.

Fig. 2-1,2-2 are the action diagram of existing pneumatic hinge.

Fig. 3 is the exploded view of the utility model door hinge.

Fig. 4-1,4-2 are the action diagram of the utility model door hinge.

The specific embodiment

About preferred embodiment of the present utility model and technology contents, existing accompanying drawings is as follows:

At first, please consult Fig. 3, Fig. 4-1, and Fig. 4-2 jointly, door hinge of the present utility model is suitable for being connected between a framework 10 and the door-plate 20, so that door-plate 20 can be with respect to framework 10 turns, and is positioned an opening position and a position of closing the door.In the present embodiment, door hinge mainly be by a fixture 210, a tumbler 220, a connection piece 230, a moving part 240, one first pivot 250, one second pivot 260, one the 3rd pivot 270, and an elastic parts 280 constituted.

Wherein, fixture 210 is the housing that an inside has accommodation space, and it is arranged at the edge of framework 10.Tumbler 220 is arranged at the edge of door-plate 20.The two ends of connector 230 articulate with fixture 210 and tumbler 220 by first pivot 250 and second pivot 260.The two ends of moving part 240 form the articulated section 242,244 that is hollow in two through reeling, and articulate by the 3rd pivot 270 and second pivot 260 and with fixture 210 and tumbler 220, with present embodiment, second pivot 260 is U type pivots, thereby connector 230 and moving part 240 can be articulated with tumbler 220 respectively.Elastic parts 280 for example is a torque spring, and it is set around on first pivot 250, and the two ends of this elastic parts 280 have two adjutages 282,284, and these adjutages 282,284 are resisted against respectively on second pivot 260 and the 3rd pivot 270.

Please continue to consult Fig. 4-1 and Fig. 4-2, when opening door-plate 20 (as Fig. 4-1) to opening position, second pivot 260 and the 3rd pivot 270 are with pull two adjutages 282,284 of above-mentioned elastic parts 280 of top, and by the design of moving part 240, to avoid causing door-plate 20 excessive opening because of the restoring force of elastic parts 280; And when closing door-plate 20 (as Fig. 4-2), in its rotation process, can obtain by the power of pressing of

second pivot

260 and 270 pairs of elastic parts 280 of the 3rd pivot discharging, make elastic parts 280 produce a restoring force that tumbler 220 is resetted, be reset to fastening position to drive door-plate 20.

Because above-mentioned elastic parts 280 does not directly contact with moving part 240 (being existing supporting member), therefore, in the process of switch door, moving part 240 can not produce friction with elastic parts 280, and cause the distortion or the damage of moving part 240, so can prolong the application life of moving part 240.In other words, moving part 240 is in this embodiment avoided door-plate 20 excessive open functions compared to existing supporting member the pull purposes of elastic parts 280 of tool top not and only possess, and therefore can avoid moving part 240 because of wearing and tearing reductions of service life.In addition, also, also can save the operation of one coating lubrication oil compared to existing technology because moving part 240 can not produce friction with elastic parts 280.

Certainly, be familiar with this operator and should know, moving part 240 also can connect a pneumatic cylinder 290 at that end that is adjacent to the 3rd pivot 270, with the restoring force of avoiding elastic parts 280 to be produced door-plate 20 is resetted fast, and can improve safety.Say in more detail, when door-plate 20 is positioned at opening position, moving part 240 can drive a cylinder axis 292 and stretch into pneumatic cylinder 290, and door-plate 20 is positioned at when closing the door the position, 240 of moving parts can drive cylinder axis 292 and stretch out pneumatic cylinder 290, make pneumatic cylinder 290 produce one and make tumbler 220 can slowly move to the cushion effect of the position of closing the door.

In sum, door hinge of the present utility model is mainly by the change on its structure of elastic parts and the mounting means, make inner moving part in the process of switch door, need not must push up the elastic parts of pulling, so that prolonged the application life of moving part as existing supporting member.

The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. door hinge, be suitable for being connected in a door-plate (20) and a framework (10), so that described door-plate (20) can be with respect to described framework (10) turn, and be positioned an opening position and a position of closing the door, described door hinge mainly is by a fixture (210), one tumbler (220), a connection piece (230), one moving part (240), one first pivot (250), one second pivot (260), and one the 3rd pivot (270) constitutes, wherein said fixture (210) is arranged at the edge of described framework (10), described tumbler (220) is arranged at the edge of described door-plate (20), the two ends of described connector (230) articulate with described fixture (210) and described tumbler (220) by described first pivot (250) and described second pivot (260), the two ends of described moving part (240) then articulate with described fixture (210) and described tumbler (220) by described the 3rd pivot (270) and described second pivot (260), it is characterized in that: be arranged with an elastic parts (280) on described first pivot (250), described elastic parts (280) has two adjutages (282,284), and described adjutage (282,284) be resisted against respectively on described second pivot (260) and described the 3rd pivot (270).

2. door hinge according to claim 1, it is characterized in that, also dispose a pneumatic cylinder (290) in the described fixture (210), has a cylinder axis (292) that can stretch into, stretch out described pneumatic cylinder (290), and an end of described cylinder axis (292) exposes described pneumatic cylinder (290), and articulates with described moving part (240).

3. door hinge according to claim 1 is characterized in that, the two ends of described moving part (240) form the articulated section (242,244) that is hollow in two through reeling, and wear for described second pivot (260) and described the 3rd pivot (270).

4. door hinge according to claim 1 is characterized in that, described second pivot (260) is a U type pivot.

5. door hinge according to claim 1 is characterized in that, described elastic parts (290) is a torque spring.