CN105179557B - Hydraulic damper and hinge - Google Patents
Hydraulic damper and hinge Download PDFInfo
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- CN105179557B CN105179557B CN201510701470.5A CN201510701470A CN105179557B CN 105179557 B CN105179557 B CN 105179557B CN 201510701470 A CN201510701470 A CN 201510701470A CN 105179557 B CN105179557 B CN 105179557B
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Abstract
The invention discloses a kind of hydraulic damper and a kind of hinges.Piston component, seal assembly and the end cap that the hydraulic damper includes columnar cylinder body and is set in turn in from described columnar cylinder body one end in the columnar cylinder body.The piston component is formed with oil return hole.The hydraulic damper further includes the piston rod for sequentially passing through the end cap and the seal assembly and being fixedly connected with the piston component.The seal assembly activity setting, the hydraulic damper further includes the first snubber elastomeric element being arranged between the seal assembly and the end cap.In above-mentioned hydraulic damper, the first snubber elastomeric element can keep the pressure of working fluid constant when seal assembly moves.Therefore, even if frequently use remains to keep good buffering effect hydraulic damper, and will not occur working fluid leakage because of the temperature rise of working fluid.
Description
Technical field
The present invention relates to buffer hinge field more particularly to a kind of hydraulic dampers and a kind of hinge.
Background technology
It is realized and is rotatablely connected by hinge between existing certain devices or the ontology and door body of equipment, and hindered using hydraulic pressure
Buddhist nun's device provides buffering effect.However, if hydraulic damper uses overfrequency, the working fluid temperature rise of hydraulic damper may
There is the problem of working liquid pressure increase influences buffering effect or working fluid leakage.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of liquid
Press damper and a kind of hinge.
The hydraulic damper of embodiment of the present invention includes columnar cylinder body and is set gradually from described columnar cylinder body one end
In piston component, seal assembly and end cap in the columnar cylinder body.The piston component is formed with oil return hole.The hydraulic pressure resistance
Buddhist nun's device further includes the piston rod for sequentially passing through the end cap and the seal assembly and being fixedly connected with the piston component.It is described
Seal assembly activity is arranged, and the hydraulic damper further includes that first be arranged between the seal assembly and the end cap is delayed
Rush elastic element.
The piston component includes piston and the second snubber elastomeric element.The piston rod is fixedly connected with the piston.
Second snubber elastomeric element is set between piston one end opposite with the end cap and the columnar cylinder body.Described second is slow
It rushes elastic element one end to be fixedly connected with the piston or the columnar cylinder body, the piston component includes and second buffering
The block of elastic element other end connection.
In the hydraulic damper of embodiment of the present invention, cylinder body one end and piston rod can be connected to door body and ontology
On, under the action of piston rod is by external force, working fluid flows to piston by oil return hole in oil return hole from the side of piston component
Buffering effect of door body when opening and closing is realized in the other side of component.
Working fluid in hydraulic damper hydraulic damper frequently use cause pressure to rise because of temperature raising when, work
Make the movement of liquid-driving seal assembly, pressure of the first snubber elastomeric element for keeping working fluid when seal assembly moves
It is constant.Therefore, even if frequently use remains to keep good buffering effect hydraulic damper, and will not be because of the temperature of working fluid
Degree rises and working fluid leakage occurs.
In addition, when the temperature of working fluid declines, the first snubber elastomeric element can push seal assembly compression work liquid
Body makes the pressure of working fluid keep balance, to keep the buffering effect of hydraulic damper.
In some embodiments, the hydraulic damper includes being arranged outside the columnar cylinder body and connecting the end cap
And the reseting elastic element of the piston rod.
In some embodiments, first chamber, the column has been collectively formed with the columnar cylinder body in the seal assembly
The opening for being connected to the first chamber is offered on shape cylinder body, the hydraulic damper includes first for sealing the opening
Sealing element.
In some embodiments, first chamber has been collectively formed with the columnar cylinder body in the seal assembly, described close
Sealing assembly, the end cap and the columnar cylinder body are collectively formed second chamber, and the sectional area of the second chamber is more than described the
The sectional area of one chamber.
In some embodiments, it is arranged with second seal on the piston.
In some embodiments, the seal assembly includes the first seal, the second seal, outside seal and interior close
Sealing.
First seal is movably set on the piston rod and is arranged close to the piston component.
Second seal is movably set on the piston rod and is located at first seal and the piston component phase
Carry on the back side.
Outside seal is set on second seal to seal between the seal assembly and the columnar cylinder body
Gap.
Inner seal liner is movably set on the piston rod and encloses and is located in second seal to seal the sealing
Gap between component and the piston rod.
In some embodiments, the piston rod includes first end and second end, and the first end stretches into the column
In cylinder body, the second end is exposed outside the columnar cylinder body, and the second end is equipped with handle.
The hinge of embodiment of the present invention includes above-mentioned hydraulic damper.
Since the hinge of embodiment of the present invention uses above-mentioned hydraulic damper, the hinge of embodiment of the present invention
Chain can keep door body to have good buffering effect in opening and closing.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of the hydraulic damper of embodiment of the present invention.
Fig. 2 is the exploded perspective schematic diagram of the hydraulic damper of embodiment of the present invention.
Fig. 3 is the exploded perspective schematic diagram of the piston component of the hydraulic damper of embodiment of the present invention.
Fig. 4 is the exploded perspective schematic diagram of the seal assembly of the hydraulic damper of embodiment of the present invention.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Also referring to Fig. 1-Fig. 4, the hydraulic damper 100 of embodiment of the present invention includes columnar cylinder body 10, piston group
Part 20, seal assembly 30, end cap 40, piston rod 50 and the first snubber elastomeric element 60.
Piston component 20, seal assembly 30 and end cap 40 are set in turn in columnar cylinder body 10 from 10 one end of columnar cylinder body
It is interior.Piston rod 50 sequentially passes through end cap 40 and seal assembly 30 and is fixedly connected with piston component 20.Piston component 20 is formed with
Oil return hole 20a.30 activity setting of seal assembly.First snubber elastomeric element 60 is arranged between seal assembly 30 and end cap 40.
In the hydraulic damper 100 of embodiment of the present invention, 10 one end of columnar cylinder body and piston rod 50 are connected to
In the door body and ontology of device or equipment with door body structure, under the action of piston rod 50 is by external force, working fluid L passes through
Oil return hole 20a flows to the other side of piston component 20 from the side of piston component 20, realizes buffering of door body when opening and closing
Effect.
When frequently use causes pressure to rise to hydraulic damper 100 because of temperature raising, working fluid L is pushed away working fluid L
Dynamic sealing assembly 30 moves, pressure of the first snubber elastomeric element 60 for keeping working fluid L when seal assembly 30 moves
It is constant.Therefore, even if frequently use remains to keep good buffering effect hydraulic damper 100, and will not be because of working fluid L
Temperature rise and there is working fluid L leakage.
In addition, when the temperature of working fluid L declines, the first snubber elastomeric element 60 can push seal assembly 30 to compress work
Make liquid L, so that the pressure of working fluid L is kept balance, to keep the buffering effect of hydraulic damper 100.
In the present embodiment, hydraulic damper 100 includes setting outer in columnar cylinder body 10 and connection end cap 40 and piston
The reseting elastic element 70 of bar 50.
In this way, resetting spring element 70 can guarantee that hydraulic damper 100 pushes piston bar 50 and external force from piston outside
Buffering effect is all had when being shed on bar 50.
Specifically, as shown in the orientation Fig. 1, when pushing piston bar 50 outside, piston rod 50 pushes piston component 20 upward
Movement, working fluid L are flow to the downside of piston component 20 by oil return hole 20a from the upside of piston component 20, played slow
Punching acts on.Meanwhile reseting elastic element 70 compresses.
When external force is shed, reseting elastic element 70 extends.Piston rod 50 under the promotion of reseting elastic element 70,
It pulls downward on piston component 20 to move downward, working fluid L flow to piston from the downside of piston component 20 by oil return hole 20a
The upside of component 20, equally plays cushioning effect.
That is, the hydraulic damper 100 of embodiment of the present invention is applied to the device with ontology and door body or sets
When standby upper, door body all has buffering effect when opening or closing.
In the present embodiment, reseting elastic element 70 is set on piston rod 50.And in other embodiments, it resets
Elastic element may be provided at outside piston rod.Reseting elastic element 70 can be fabricated by spring material.In this way, reseting elastic element
70 have preferable elasticity and hardness, and last a long time.
In the present embodiment, working fluid L is dormant oil type hydraulic oil.In this way, the viscosity of dormant oil type hydraulic oil is larger, liquid
Press the good buffer effect of damper 100.In addition, dormant oil type hydraulic oil can also reduce between piston component 20 and columnar cylinder body 10
Frictional force.
In the present embodiment, columnar cylinder body 10 is formed with first chamber 11 with seal assembly 30.It is opened in columnar cylinder body 10
Opening 12 equipped with connection first chamber 11.Hydraulic damper 100 includes the first seal 80 for sealed opening 12.
In this way, opening 12 facilitates user to replace the working fluid L in hydraulic damper 100.
Specifically, columnar cylinder body 10 includes the first end face 10a and second end face 10b opposite with first end face 10a.End cap
40 are arranged on first end face 10a.End cap 40 is including mounting portion 41 and by 41 outwardly extending sealing 42 of mounting portion.Mounting portion
41 are formed with step surface 43 with the junction of sealing 42.In this way, step surface 43 is convenient for 40 location and installation of end cap to columnar cylinder body
On 10.
In the present embodiment, preferably, opening 12 is prolonged from the first end face 10a of columnar cylinder body 10 to second end face 10b
It stretches.In this way, opening 12 is easily worked to be formed, the manufacturing cost of columnar cylinder body 10 can be reduced.
In the present embodiment, opening 12 is threaded hole, and first seal 80 is the plug screw with corresponding threaded holes.Plug screw is logical
It crosses and screws in threaded hole to achieve the effect that sealed opening 12.Preferably, can be installed between second end face 10b and plug screw
Gasket seal, such as wool felt gasket, to further seal threaded hole.
In the present embodiment, columnar cylinder body 10, seal assembly 30 and end cap 40 have been collectively formed second chamber 13, and second
The sectional area of chamber 13 is more than the sectional area of first chamber 11.
In this way, first chamber 11 and the junction of second chamber 13 form step, be conducive to the sealing of seal assembly 30 first
Working fluid L in chamber 11.In addition, being provided with for sectional area that the sectional area of second chamber 13 is more than first chamber 11 is conducive to
Columnar cylinder body 10 fabricates.
In the present embodiment, piston component 20 includes piston 21 and the second snubber elastomeric element 23.Piston rod 50 and work
Plug 21 is fixedly connected.Second snubber elastomeric element 23 is set between the one end opposite with end cap 40 of piston 21 and columnar cylinder body 10.
Second snubber elastomeric element 23 at least one end is fixedly connected with piston 21 or with columnar cylinder body 10.
In this way, the second snubber elastomeric element 23 can limit the moving range of piston 21, avoid piston 21 in mobile process
In collided with columnar cylinder body 10 and cause the damage of piston 21 and columnar cylinder body 10, exist in addition, can also reduce hydraulic damper 100
The noise generated during work.
In the present embodiment, one end of the second snubber elastomeric element 23 is fixedly connected with piston 21.Piston component 20 wraps
Include the block 24 being connect with 23 other end of the second snubber elastomeric element.That is, the both ends of the second snubber elastomeric element 23 point
Other connection block 24 and piston 21.
It is in direct contact with columnar cylinder body 10 in this way, block 24 can avoid the second snubber elastomeric element 23, block 24 can also be
Increase the contact area with columnar cylinder body 10 when piston 21 slides, to reduce the abrasion of columnar cylinder body 10.
Specifically, incorporated by reference to Fig. 1, when 21 push rod of piston pushes piston 21 to move upwards, block 24 and columnar cylinder body 10
First contact.During piston 21 continues to move to, the compression of the second snubber elastomeric element 23 is slowing down 21 movement speed of piston
The displacement distance of piston 21 is also defined, hydraulic damper 100 plays further cushioning effect.
First chamber 11 is formed with the groove 14 to match with block 24 on the moving direction of block 24, in piston component 20
When moving up, block 24 first moves in groove 14.In this way, when block 24 squeezes the working fluid L in groove 14, work
The flow resistance of liquid L increases, and can further realize the cushioning effect of hydraulic damper 100.
In addition, groove 14 is connected to opening 12.Hydraulic damper 100 replace working fluid L when, groove 14 be conducive to by
Working fluid L discharges in hydraulic damper 100 are clean.
In the present embodiment, it is arranged with second seal 26 on piston 21.
In this way, second seal 26 can prevent working fluid L from being flowed in the gap between piston 21 and columnar cylinder body 10,
To influence the buffering effect of hydraulic damper 100.
Specifically, annular groove 211 is formed on piston 21, second seal 26 is mounted in annular groove 211.In piston 21
Motion process in, the circumferential surface of second seal 26 and first chamber 11 is in close contact, to reach piston 21 and first
Sealing effect between chamber 11.
Since second seal 26 rubs with columnar cylinder body 10 in the process of moving and generates heat, second is close
Sealing 26 can be made of the material of high temperature resistant and rub resistance, for example, the material of second seal 26 can be polytetrafluoroethylene (PTFE) or poly-
The high temperature resistants such as urethane and rub resistance material.
Piston 21 is further opened with centre bore 212, and piston rod 50 is connect across centre bore 212 with piston 21.In piston 21
End face and piston seal film 25 is provided with around piston rod 50.In this way, piston seal film 25 can prevent hydraulic pressure at center
It is flowed between hole 212, to ensure the buffering effect of hydraulic damper 100.
In the present embodiment, seal assembly 30 includes the first seal 31, the second seal 32, outside seal 33 and interior
Sealing element 34.
First seal 31 is movably set on piston rod 50 and is arranged close to piston component 20.
Second seal 32 is movably set on piston rod 50 and is located at the first seal 31 opposite with piston component 20 one
Side.
Outside seal 33 is set on the second seal 32 to seal the gap between seal assembly 30 and columnar cylinder body 10.
Inner seal liner 34 is movably set on piston rod 50 and encloses and is located in the second seal 32 to seal seal assembly 30
With the gap between piston rod 50.
In this way, outside seal 33 and inner seal liner 34 can prevent working fluid L from flowing to second chamber 13 by first chamber 11,
To avoid the working fluid L in first chamber 11 from reducing and influence the buffering effect of hydraulic damper 100.
In the present embodiment, piston rod 50 includes first end 50a and second end 50b, and first end 50a stretches into columnar cylinder body
In 10, second end 50b exposes outside columnar cylinder body 10, and second end 50b is equipped with handle 90.
In this way, handle 90 facilitates being installed on corresponding hinge of hydraulic damper 100.
In the present embodiment, specifically, reseting elastic element 70 is fastened between handle 90 and end cap 40.Piston rod 50
Second end 50b be formed with screw thread, the screw hole that screw thread on the second end 50b with piston rod 50 matches is formed on handle 90,
Handle 90 is installed to by screw-thread fit on piston rod 50.In this way, the dismounting of reseting elastic element 70 can be facilitated.
In other embodiments, after reseting elastic element is arranged on the piston rod, handle can pass through the connection sides such as welding
Formula is fixed on the piston rod.
The hinge of embodiment of the present invention includes the hydraulic damper 100 of the above embodiment.
Since the hinge of embodiment of the present invention applies above-mentioned hydraulic damper 100, the ontology and door body of device pass through
Hinge connection.Therefore, the hinge of embodiment of the present invention can keep door body to have good buffering effect in opening and closing, can have
Effect reduces the noise that door body is generated with ontology collision when closed, furthermore it is also possible to which user is avoided to be pressed from both sides when accidental switching off door body
Hand etc. unexpectedly occurs.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the present invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case of not departing from the principle of the present invention and objective, modification, replace and become
Type, the scope of the present invention are limited by claim and its equivalent.
Claims (7)
1. a kind of hydraulic damper, it is characterised in that be set in turn in institute including columnar cylinder body and from described columnar cylinder body one end
State piston component, seal assembly and the end cap in columnar cylinder body；
The piston component is formed with oil return hole；
The hydraulic damper further includes sequentially passing through the end cap and the seal assembly and fixing with the piston component to connect
The piston rod connect；
The seal assembly activity setting, the hydraulic damper further include being arranged between the seal assembly and the end cap
The first snubber elastomeric element；
The piston component includes：
Piston, the piston rod are fixedly connected with the piston；And
The second snubber elastomeric element being set between piston one end opposite with the end cap and the columnar cylinder body；
Described second snubber elastomeric element one end is fixedly connected with the piston or with the columnar cylinder body, the piston component packet
Include the block being connect with the second snubber elastomeric element other end；
The seal assembly includes：
It is movably set on the piston rod and close to the first seal of piston component setting；
It is movably set on the piston rod and second close positioned at first seal side opposite with the piston component
Feng Ti；
It is set on second seal to seal the outside seal in gap between the seal assembly and the columnar cylinder body；
And
It is movably set on the piston rod and encloses and be located in second seal to seal the seal assembly and the work
The inner seal liner in gap between stopper rod.
2. hydraulic damper as described in claim 1, which is characterized in that the hydraulic damper includes being arranged in the column
Cylinder body is outer and connects the reseting elastic element of the end cap and the piston rod.
3. hydraulic damper as described in claim 1, which is characterized in that the seal assembly and the common shape of the columnar cylinder body
At there is first chamber, the opening for being connected to the first chamber is offered in the columnar cylinder body, the hydraulic damper includes using
In the first seal for sealing the opening.
4. hydraulic damper as described in claim 1, which is characterized in that the seal assembly and the common shape of the columnar cylinder body
Second chamber, the second chamber is collectively formed at having first chamber, the seal assembly, the end cap and the columnar cylinder body
Sectional area be more than the first chamber sectional area.
5. hydraulic damper as described in claim 1, which is characterized in that be arranged with second seal on the piston.
6. hydraulic damper as described in claim 1, which is characterized in that the piston rod includes first end and second end, institute
It states first end to stretch into the columnar cylinder body, the second end is exposed outside the columnar cylinder body, and the second end is equipped with hand
Handle.
7. a kind of hinge, which is characterized in that including hydraulic damper as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701470.5A CN105179557B (en) | 2015-10-23 | 2015-10-23 | Hydraulic damper and hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701470.5A CN105179557B (en) | 2015-10-23 | 2015-10-23 | Hydraulic damper and hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179557A CN105179557A (en) | 2015-12-23 |
| CN105179557B true CN105179557B (en) | 2018-09-14 |
Family
ID=54901874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510701470.5A Active CN105179557B (en) | 2015-10-23 | 2015-10-23 | Hydraulic damper and hinge |
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| CN (1) | CN105179557B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594149B (en) * | 2017-02-06 | 2018-06-29 | 常州格林电力机械制造有限公司 | A kind of hydraulic damper with stiffness tuning function |
| CN106678245B (en) * | 2017-02-06 | 2018-07-03 | 常州格林电力机械制造有限公司 | A kind of hydraulic damper with stiffness tuning function |
| CN106594153B (en) * | 2017-02-06 | 2018-05-18 | 常州格林电力机械制造有限公司 | A kind of hydraulic damper with stiffness tuning function |
| CN107740626B (en) * | 2017-09-01 | 2019-08-02 | 西安建筑科技大学 | A kind of expansion cross-shaped steel SRC column with multistage composite damper |
| CN108518147B (en) * | 2018-01-18 | 2024-01-12 | 广州中臣丹德智能装备科技有限公司 | Self-closing buffer device for cold storage door |
| CN108662063B (en) * | 2018-06-11 | 2024-04-19 | 湖北宏盛昌电子有限责任公司 | Damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793431Y (en) * | 2005-06-04 | 2006-07-05 | 伍志勇 | Air-pressure bumper |
| WO2014177521A1 (en) * | 2013-05-03 | 2014-11-06 | Lama D.D. Dekani | Improvements in damper assemblies |
| CN204358010U (en) * | 2014-12-24 | 2015-05-27 | 王育华 | Novel automobile shock absorber |
| CN104791407A (en) * | 2015-04-27 | 2015-07-22 | 哈尔滨工程大学 | Passive hydraulic damping device |
| CN204533330U (en) * | 2015-02-15 | 2015-08-05 | 黄庆盛 | A kind of push-out type hydraulic damper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200321920Y1 (en) * | 2003-04-29 | 2003-07-31 | (주)문주하드웨어 | Door damper |
| ITMI20090607A1 (en) * | 2009-04-15 | 2010-10-16 | Salice Arturo Spa | DECELERATOR DEVICE |
| CN204628405U (en) * | 2015-05-20 | 2015-09-09 | 楼海光 | A kind of hydraulic damping buffer |
| CN205101449U (en) * | 2015-10-23 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Hydraulic damper and hinge |
-
2015
- 2015-10-23 CN CN201510701470.5A patent/CN105179557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793431Y (en) * | 2005-06-04 | 2006-07-05 | 伍志勇 | Air-pressure bumper |
| WO2014177521A1 (en) * | 2013-05-03 | 2014-11-06 | Lama D.D. Dekani | Improvements in damper assemblies |
| CN204358010U (en) * | 2014-12-24 | 2015-05-27 | 王育华 | Novel automobile shock absorber |
| CN204533330U (en) * | 2015-02-15 | 2015-08-05 | 黄庆盛 | A kind of push-out type hydraulic damper |
| CN104791407A (en) * | 2015-04-27 | 2015-07-22 | 哈尔滨工程大学 | Passive hydraulic damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105179557A (en) | 2015-12-23 |
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