CN207583144U - A kind of hydraulic pressure door hinge - Google Patents
A kind of hydraulic pressure door hinge Download PDFInfo
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- CN207583144U CN207583144U CN201721755039.XU CN201721755039U CN207583144U CN 207583144 U CN207583144 U CN 207583144U CN 201721755039 U CN201721755039 U CN 201721755039U CN 207583144 U CN207583144 U CN 207583144U
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- piston
- hinge
- door
- hydraulic
- fixed arm
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Abstract
The utility model provides a kind of hydraulic pressure door hinge, including hinge fixed arm, hinge rotary head, hydraulic cylinder, hinge fixed arm is hinged with hinge rotary head, and the two is realized by hydraulic cylinder and linked, hydraulic cylinder inner top is equipped with the first piston with fluid apertures, and piston rod is affixed with first piston；Setting elastic component in hydraulic cylinder, one end of the affixed elastic component in bottom in cylinder body, the affixed second piston of the other end of elastic component, second piston side surface is equipped with sealing ring；It is hydraulic cavities between first piston and second piston, is atmospheric pressure cavity between second piston and cylinder base.Due to being provided with atmospheric pressure cavity and elastic component, even if door-plate is when carrying out low-angle closure, also can end of door plate carry out preliminary buffering, also it can preferably be avoided door-plate well into row buffering and generate noise when being closed and damaged in the collision with fixed structure so that this pressure support bar end of door plate is closed in progress low-angle.
Description
Technical field
The utility model is related to a kind of articulated mounting, especially a kind of hydraulic pressure door hinge.
Background technology
When switching room door or other door-plates, if withouyt buffer unit, when door-plate is shut, with door-plate body
Collision is generated with wall or other fixed structures and generates noise, and easily so that door-plate is ground in frequent collision
Damage, influences its service life.Buffer unit when generally being closed now using hydraulic pressure door hinge as door-plate, hydraulic pressure door hinge include hinge
Chain fixed arm and hinge rotary head, hinge fixed arm and hinge rotary head are hinged, between fixed equipped with hydraulic cylinder Interlined hinge
Arm and hinge rotary head, the hinge fixed arm connection door-plate body of hydraulic pressure door hinge, hinge rotary head is affixed on the wall/on the ground,
Door-plate hinge fixed arm when closing generates relative motion, and the hydraulic cylinder for passing through hydraulic pressure door hinge transports it with hinge rotary head
It moves into row buffering, reduce the active force of door-plate collision fixed structure and reduces the noise caused by collision.
Hydraulic pressure door hinge is mainly by hydraulic cylinder as buffer unit.The structure of existing hydraulic cylinder is as shown in Figure 1, piston rod
101 one end is socketed with cylinder body 100, and one end that piston rod is stretched into hydraulic stem is connected with piston 103, the piston rod above piston
Y-type seal ring 102 is socketed, piston is equipped with annular recess, O-ring seal 104 is set in groove.The connection needs pair of piston rod 101
It moves the moving component into row buffering, and when moving component start pushes piston, and piston is moved towards hydraulic cavities 105.Hydraulic cavities
Full of damping oil in 105, when piston is promoted towards hydraulic cavities, damping oil is squeezed by the thrust of piston, on the one hand, piston is by liquid
Damping oil in pressure chamber is supported, and piston slows down, so that piston rod and moving component slow down, plays the role of buffering；Separately
On the one hand, damping oil is squeezed by the thrust of piston, and damping oil flows out hydraulic cavities by the fluid apertures on piston.So theoretically
For, the damping oil in hydraulic cavities is bigger to its active force by piston, and damping oil flows out hydraulic pressure by the fluid apertures on piston
The speed of chamber is faster.
But when door-plate is closed with low-angle, existing hydraulic pressure door hinge can not provide the effect of buffering well.It is former
Because be door-plate low-angle close, door-plate propelling piston bar movement apart from very little, hydraulic cavities internal damping oil can be caused to pass through work
The amount of fluid apertures outflow beyond the Great Wall is very few or even damping oil can not be flowed out by fluid apertures, hydraulic pressure door hinge end of door plate is caused to close dynamic
The buffering effect of work is bad or even can not generate buffering effect, therefore door-plate can still generate centainly when being closed with low-angle
Noise.
Utility model content
The utility model is intended to provide a kind of hydraulic pressure door hinge, bad to solve buffering effect when door-plate is closed with low-angle
The problem of.
A kind of hydraulic pressure door hinge, including hinge fixed arm, hinge rotary head, hydraulic cylinder, hinge fixed arm is rotated with hinge
Head is hinged, and the two by hydraulic cylinder realizes and link that hydraulic cylinder inner top is equipped with the first piston with fluid apertures, piston rod and first
Piston is affixed；Setting elastic component in hydraulic cylinder, one end of the affixed elastic component in bottom, the other end affixed second of elastic component in cylinder body
Piston, second piston side surface are equipped with sealing ring；It is hydraulic cavities between first piston and second piston, second piston and cylinder body bottom
It is atmospheric pressure cavity between portion.
Hinge fixed arm is mounted on door-plate, and hinge rotary head is consolidated in the piston rod linkage of hinge rotary head and hydraulic cylinder
Fixed setting.At closing time, door-plate drives the movement of hinge fixed arm, by piston rod again toward being pushed into inside hydraulic cylinder.In hydraulic cavities
Oil is flowed out piston by piston rod thrust by fluid apertures；Meanwhile the gas of atmospheric pressure cavity, elastic component be by thrust, also to piston rod
One reaction force is provided, plays the role of buffering to shutdown action.
Door-plate is carrying out low-angle at closing time, and door-plate drives the movement of hinge fixed arm, but piston rod advance distance is too short, meeting
Cause piston rod push-in hydraulic cavities during, the oil of hydraulic cavities is difficult to pass through fluid apertures so as to shutdown action cushioning effect not
Significantly, but due to being provided with atmospheric pressure cavity and elastic component, even for the above situation also can end of door plate carry out preliminary buffering so that
This pressure support bar end of door plate is closed in progress low-angle also can preferably avoid door-plate when being closed well into row buffering
It generates noise and is to damage in the collision of fixed structure.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of existing hydraulic cylinder；
Fig. 2 is the diagrammatic cross-section of hydraulic cylinder in the utility model；
Fig. 3 is the overall schematic of hydraulic pressure door hinge.
Specific embodiment
The utility model proposes a kind of hydraulic pressure door hinge, including hinge fixed arm, hinge rotary head, hydraulic cylinder, hinge
Fixed arm is hinged with hinge rotary head, and the two is realized by hydraulic cylinder and linked.
For the hydraulic cylinder as shown in Fig. 2, one end of piston rod 201 is socketed with cylinder body 200, piston rod 201 stretches into hydraulic pressure
One end in cylinder is connected with first piston 203, and the piston rod 201 above first piston is socketed y-type seal ring 202, and piston is equipped with
Annular recess, the interior suit O-ring seal 204 of groove.The interior bottom of hydraulic cylinder 200 is connected with elastic component 207, the other end of elastic component
Affixed second piston 206, second piston are equipped with annular recess, O-ring seal 204 are set in groove.First piston 203 and second
It is hydraulic cavities 205 between piston 206, damping oil is full of in hydraulic cavities, fluid apertures is provided in first piston；Second piston is to hydraulic pressure
Cylinder bottom portion is atmospheric pressure cavity, is full of compressed air in atmospheric pressure cavity；Hinge fixed arm is mounted on door-plate, hinge rotary head and hydraulic cylinder
Piston rod linkage, hinge rotary head is fixedly disposed.
Hydraulic pressure door hinge as shown in figure 3, including hinge fixed arm 36, hinge rotary head 34 and connects hinge fixed arm and
The connection neck 35 of hinge rotary head, connection neck both ends are hinged with hinge rotary head 34 and hinge fixed arm 36 respectively, consolidate in hinge
The enclosure interior of fixed arm has telescopic hydraulic cylinder 200, one end of pressure cylinder 200 and the housing hinge of hinge fixed arm, another
First angle with triangle pull-push piece 32 is held to be hinged, second angle of triangle pull-push piece is cut with scissors with the housing of hinge fixed arm
It connects, the open slotted hole of arc is provided at the third angle of triangle pull-push piece, between hinge fixed arm and hinge rotary head also
L-type interlocking lever 33, interlocking lever middle part and the housing hinge of hinge fixed arm are set, and one end is hinged with hinge rotary head, another
End then sets poke rod, and poke rod is inserted into the arc opening slot hole at the third angle of triangle pull-push piece.
So that the reason of piston rod promotes process shorter, one is when low-angle opens the door, the movement range of hinge rotary head
It is smaller so that piston rod promotes very short distance just to stop promoting；It is opened the second is the arc opening slot hole of triangle pull-push piece uses
Mouth structure, opening can not limit poke rod, thus when poke rod moves to the opening of arc opening slot hole,
The left side upper end of hinge rotary head and the right side lower end of L-type interlocking lever can only be relied on to offset to limit poke rod, so stirring
Bar is smaller to the thrust of piston rod in the opening movement of arc opening slot hole, makes piston rod that process be promoted also to be reduced.
Substantially the course of work is as follows, and at closing time, door-plate drives the movement of hinge fixed arm, by piston rod again in hydraulic cylinder
Portion is pushed into；Piston rod is drawn outside during enabling.Since atmospheric density is much smaller than the density of hydraulic cavities internal damping oil, thus the in atmospheric pressure cavity
The preferential start of two pistons 206 meeting, second piston is moved towards hydraulic cylinder bottom and the sky in compression elastic piece 207 and atmospheric pressure cavity
Gas, during elastic component, compressed air are further compressed, atmospheric pressure cavity and elastic component are jointly reversed to one, piston rod
Active force, and passing through hinge fixed arm and being transmitted to door-plate makes door-plate slow down, and plays the role of end of door plate and tentatively buffers.If it is given to
The thrust of piston rod is enough, and first piston can start start, the damping of first piston compression hydraulic intracavitary after second piston start
Oil, damping oil flow to fluid apertures, the similarly one reversed active force of piston rod of the damping oil in hydraulic cavities, and are transmitted to door-plate and make
Deceleration, play the further cushioning effect of end of door plate.In the case of even if thrust is insufficient, i.e., piston rod pulls out very little one
After the distance of end when being pressed into again again, hydraulic cavities are extremely limited to its cushioning effect, but due to there are second piston, elastic component,
Atmospheric pressure cavity mutual cooperation tentatively buffers piston rod, and the movement that even door-plate carries out by a small margin can also be buffered, and be made
Smaller thrust and start can be sensed by obtaining hydraulic cylinder, so that can also obtain enough bufferings when door-plate is closed with low-angle
Protection, end of door plate protective value is more preferably.
Further, the upper surface of second piston is provided with recessed portion, prevents first piston from continually hitting the second work
Plug is easily damaged so as to cause second piston.
It is noted that damping oil described in the utility model is merely with its highdensity physical characteristic, the air
It is merely with its physical characteristic, in fact, other liquid of damping oil available physical property and similar density replace, compressed air
It can also be replaced with other of physical property and similar density gas.
Claims (5)
1. a kind of hydraulic pressure door hinge, including hinge fixed arm, hinge rotary head and connects hinge fixed arm and hinge rotary head
Connection neck, connection neck both ends are hinged respectively with hinge rotary head and hinge fixed arm, hydraulic cylinder and hinge in hinge fixed arm
Chain rotary head links；In cylinder body equipped with first piston and one end connection first piston piston rod that the other end stretches out, the
The aperture flowed back and forth in both sides for liquid is additionally provided on one piston, it is characterised in that：Second piston is additionally provided in cylinder body,
Second piston is located in first piston and cylinder body between bottom, is sealed around second piston with inboard wall of cylinder block, by itself and first piston
Between part sealing separate to form hydraulic cavities, the sealing of part between bottom in cylinder body separates the atmospheric pressure cavity to form closing,
Elastic component is installed between bottom in second piston and cylinder body.
2. a kind of hydraulic pressure door hinge according to claim 1, it is characterised in that：The side surface of second piston is equipped with cyclic annular recessed
Slot is cased with O-ring seal on groove.
3. a kind of hydraulic pressure door hinge according to claim 1, it is characterised in that：Damping oil is housed in hydraulic cavities.
4. a kind of hydraulic pressure door hinge according to claim 1, it is characterised in that：Compressed air is full of in atmospheric pressure cavity.
5. a kind of hydraulic pressure door hinge according to claim 1, it is characterised in that：The upper surface of second piston is equipped with recess
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755039.XU CN207583144U (en) | 2017-12-15 | 2017-12-15 | A kind of hydraulic pressure door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755039.XU CN207583144U (en) | 2017-12-15 | 2017-12-15 | A kind of hydraulic pressure door hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583144U true CN207583144U (en) | 2018-07-06 |
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ID=62738465
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721755039.XU Active CN207583144U (en) | 2017-12-15 | 2017-12-15 | A kind of hydraulic pressure door hinge |
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| CN (1) | CN207583144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956348A (en) * | 2017-12-15 | 2018-04-24 | 广东奥斯特五金精密制造有限公司 | A kind of hydraulic pressure door hinge |
-
2017
- 2017-12-15 CN CN201721755039.XU patent/CN207583144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956348A (en) * | 2017-12-15 | 2018-04-24 | 广东奥斯特五金精密制造有限公司 | A kind of hydraulic pressure door hinge |
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