CN207260829U - A kind of force-aid buffering device - Google Patents
A kind of force-aid buffering device Download PDFInfo
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- CN207260829U CN207260829U CN201721034928.7U CN201721034928U CN207260829U CN 207260829 U CN207260829 U CN 207260829U CN 201721034928 U CN201721034928 U CN 201721034928U CN 207260829 U CN207260829 U CN 207260829U
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Abstract
Revolution speed control device technical field is the utility model is related to, especially a kind of force-aid buffering device.It includes being provided with the shell of stroke axocoel and is sequentially installed in the unidirectional hydraulic damper of stroke shaft intracavitary, moves axially external member and the external member that rotates in a circumferential direction, guide chute is offered on the internal perisporium of stroke axocoel, moves axially and the directive slide track that contraposition is embedded in guide chute is provided with the perisporium of external member.The utility model is faster using compression speed possessed by unidirectional hydraulic damper, the characteristics of output impedance is bigger and the rotary motion to rotate in a circumferential direction between external member and axial movement external member turn the effect of linear motion, after being assemblied on clamshell product, when the falling speed of cover board upset is fast, damper can produce larger impedance, so as to ensure that the falling speed after cover board upset is controlled in controlled range, cover board is avoided to produce larger impact noise and impact force because of the influence of gravity and acceleration of gravity, to product in itself and operating personnel form effective security protection.
Description
Technical field
Revolution speed control device technical field is the utility model is related to, especially a kind of force-aid buffering device.
Background technology
It is well known that the clamshell product such as washing machine (especially impeller machine), closestool, refrigerator-freezer is in use,
It is frequently necessary to carry out turning operation to the cover board on product (in the range of such as 90 ° -0 °)；By taking lavatory lid as an example, when cover board is opposite
In toilet main body by longitudinal direction (i.e.：Angle between cover board and toilet main body is in 90 °) overturn to horizontal direction (i.e.：Cover board
Angle between toilet main body is in 0 °) during, cover board can form the movement effects that a upset is fallen, due to by cover board
Gravity and the influence because of acceleration caused by gravity, the falling speed of cover board can gradually be accelerated, when cover board overturn to
During horizontal direction, the speed of cover board can reach maximum, often be produced at this time because of colliding with toilet main body greatly
Impact noise and impact force so that easily cause cover board damage or occur casualty accident.
At present, although occur on the market some using the buffer unit such as Damping rotation shafts by cover board and product main body into
Row connection is to reduce the product of cover board upset falling speed, but these products but following defect of generally existing：1st, it is existing slow
Flushing device because structure design there are it is certain the defects of, cause that its structure is relative complex and outputting torsion is limited, when run into it is larger (or
It is heavier) cover board when, buffering effect caused by buffer unit and unobvious or do not have cushioning effect at all；If the 2nd, to
(such as less than 20 °) just let go when the heavier cover board of upper upset and too small flip angle, and buffer unit can not generally play buffering
Effect, is likely to occur crushing accident when cover board falls again, so as to influence the security that product uses；3rd, if necessary to upwards
When overturning heavier cover board, due to the influence of buffer unit impedance itself, when manual operation, can be relatively elaborate, is not easy to user couple
Product carries out the operation of Energy and comfort.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of force-aid buffering device.
To achieve these goals, the utility model adopts the following technical solution：
A kind of force-aid buffering device, it includes：
One shell, the interior stroke axocoel formed with one with external port and inner closing of the shell, the stroke axocoel
Internal perisporium on offer guide chute of at least one edge parallel to the axial directional distribution of stroke axocoel；
One unidirectional hydraulic damper, the unidirectional hydraulic damper sleeve is in stroke shaft intracavitary, and the one-way hydraulic hinders
The inner of Buddhist nun's device is connected with the inner face of stroke axocoel；
One axial movement external member, the axial movement external member sleeve are described to move axially the interior of external member in stroke shaft intracavitary
End is connected with the outer end of unidirectional hydraulic damper, and being provided with contraposition on the perisporium of the axial movement external member is embedded in guiding cunning
Directive slide track in groove；
With
One rotates in a circumferential direction external member, and the external port for rotating in a circumferential direction external member through stroke axocoel is distributed, and the circumferential direction
The inner end for rotating external member is connected with moving axially the outer end of external member；
Axial movable sleeving part is promoted while the external member that rotates in a circumferential direction rotates relative to shell along guide chute
Distribution arrangement towards stroke axocoel interior side it is for linear motion with by move axially external member promote unidirectional hydraulic damper make
Compression movement, the axial direction of the unidirectional hydraulic damper along shell are made to promote axial movable sleeving part edge while extensional motion
The outer side of the distribution arrangement of guide chute towards stroke axocoel is for linear motion to be rotated in a circumferential direction with being driven by moving axially external member
External member rotates relative to shell.
Preferably, it further includes a power assistant spring for being placed in stroke shaft intracavitary, and the outer end of the power assistant spring is moved with axial
The inner face of dynamic external member offsets, the inner inner face with stroke axocoel offsets, and the unidirectional hydraulic damper sleeve is in power-assisted bullet
Coaxially it is distributed in spring and with power assistant spring.
Preferably, the shell include external port aperture be less than inner port aperture casing, by casing
Fixed plate that the radial direction of periphery wall along casing is made to be formed after extending, sleeve are in the end plate in the inner port of casing and along set
The positioning pin that the radial direction of pipe is distributed through end plate and casing at the same time, the stroke axocoel is by the inner space of casing through end
Disk carries out the inner port of casing closure aftershaping, and the inner sleeve of the unidirectional hydraulic damper is in the outer end face of end plate
At the heart, the inner of the power assistant spring and the outer end face of end plate offset.
Preferably, the external member that rotates in a circumferential direction includes the interior shaft being placed in the front end of stroke axocoel and by interior turn
The outer end of axle portion stretch out aftershaping and through stroke axocoel external port be distributed outer shaft portion, the interior shaft
The first notch guide groove of at least one axial directional distribution along interior shaft, the axial movement external member are offered on perisporium
Perisporium on and positioned at the opposite side of the first notch guide groove offer the second notch guide groove；
One of axial side wall of the first notch guide groove and the second notch guide groove is plane, another axis
It is screw inclined plane to side wall, and the flat sidewall of the first notch guide groove and the flat sidewall phase of the second notch guide groove
To distribution, the screw inclined plane of the first notch guide groove and the screw inclined plane of the second notch guide groove are distributed in opposite directions.
Preferably, at least two are offered on the perisporium of the interior shaft to lack around interior shaft equally distributed first
Mouthful guide groove, offer on the perisporium of the axial movement external member at least two and first notch guide groove one by one to bit distribution
Second notch guide groove.
Preferably, the central area of the inner face of the interior shaft and after extending internally along the axial direction of interior shaft
Formed with a locating shaft, it is described axial movement external member central area be further opened with one be used for for locating shaft align sleeve positioning
Axis hole.
Preferably, it is on the perisporium of the axial movement external member and equal between per two adjacent the second notch guide grooves
It is provided with least one directive slide track.
Preferably, the outer end in the outer shaft portion is oblate column structure.
As a result of such scheme, the utility model using compression speed possessed by unidirectional hydraulic damper it is faster,
The characteristics of output impedance is bigger and the rotary motion to rotate in a circumferential direction between external member and axial movement external member turn the effect of linear motion
Fruit, after being assemblied on clamshell product, when the falling speed of cover board upset is fast, damper can produce larger resistance
It is anti-, so as to ensure that the falling speed after cover board upset is controlled in controlled range, avoid cover board from accelerating because of gravity and gravity
The influence of degree and produce larger impact noise and impact force, to product in itself and operating personnel form effective security protection；
Its simple and compact for structure, applied widely, buffering effect and power-assisted significant effect, have very strong practical value and marketing
Value.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of the utility model embodiment；
Fig. 2 is the cross section structure schematic diagram of the critical piece of the utility model embodiment in the assembled condition；
Fig. 3 is the structure diagram of the shell of the utility model embodiment；
Fig. 4 is the structure diagram of the axial movement external member of the utility model embodiment；
Fig. 5 is the structure diagram of the external member that rotates in a circumferential direction of the utility model embodiment；
Fig. 6 is the assembling relationship figure of the axial movement external member of the utility model embodiment and the external member that rotates in a circumferential direction.
Embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figures 1 to 6, a kind of force-aid buffering device provided in this embodiment, its be assemblied in such as washing machine, closestool,
The work(of opposite flip-flop movement is carried out on the clamshell such as refrigerator-freezer product or similar products for realizing cover board relative to product main body
Can, it includes：External port and the stroke axocoel a's of inner closing is outer in having in product main body and formed with one for one fixing assembling
Shell 10, one is mainly made of the hydraulic pressure main body 21 and piston rod 22 for being stored with hydraulic oil and integrated plug bush is in stroke axocoel a
Unidirectional hydraulic damper 20, a sleeve are in the axial movement external member 30 in stroke axocoel a and one end fixing assembling in cover board
The external member 40 that rotates in a circumferential direction that the upper and overall external port through stroke axocoel a is distributed；Wherein, in the internal perisporium of stroke axocoel a
On offer guide chute 11 of at least one edge parallel to the axial directional distribution of stroke axocoel a, unidirectional hydraulic damper 20
(its interior outer end depends primarily upon its direction being placed in stroke axocoel a, is such as in stroke axocoel a when piston rod 22 for the inner
The inner when, then the end of piston rod 22 is as the inner of damper, the end then outer end as damper of hydraulic pressure main body 21；
Conversely, then the end of hydraulic pressure main body 21 is as the inner of damper, outer end of the end as damper of piston rod 22, to ensure
The exercise performance of whole buffer, the present embodiment is preferably the inner of end as damper of piston rod 22, hydraulic pressure main body 21
The end then outer end as damper, related description is carried out by taking this preferred embodiment as an example below) the inner with stroke axocoel a
Face is connected, and the inner end of axial movement external member 30 and the outer end of unidirectional hydraulic damper 20 are (i.e.：The end of hydraulic pressure main body 21) phase
Even, while move axially the directive slide track 31 that contraposition is embedded in guide chute 11 is provided with the perisporium of external member 30, and it is all
Then it is connected to the inner end of rotation external member 40 with moving axially the outer end of external member 30.When the external member 40 that rotates in a circumferential direction is relative to shell 10
Axial movable sleeving part 30 can be promoted while rotating along the distribution arrangement of guide chute 11 towards the interior side of stroke axocoel a
It is for linear motion to promote unidirectional hydraulic damper 20 to make compression movement indirectly by axial movement external member 30, and work as one-way hydraulic
Axial movable sleeving part 30 can be then promoted while the axial direction of damper 20 along shell 10 makees extensional motion along guide chute 11
The outer side of distribution arrangement towards stroke axocoel a for linear motion rotated in a circumferential direction set with being driven indirectly by axial movement external member 30
Part 40 rotates relative to shell 10.
The buffer of the present embodiment makes full use of unidirectional hydraulic damper 20, and when being oppressed, its piston rod 22 can be according to pressure
The difference of contracting speed and produce different impedances (compression speed is faster, its power output is bigger, the impedance that produces is also bigger, conversely,
The impedance that power output is smaller, produces is also smaller) characteristic, carry out assembly connection with cover board in the external member 40 that will rotate in a circumferential direction and will be outer
After shell carries out assembly connection with product main body, when the falling speed of cover board upset is fast, damper produces larger impedance, upset
Falling speed it is smaller when, damper can then produce corresponding less impedance, so as to ensure the falling speed after cover board upset
It is controlled in controlled range, avoids cover board from producing larger impact noise and impact because of the influence of gravity and acceleration of gravity
Power, to product in itself and operating personnel form effective security protection；Meanwhile when needing to open cover board (i.e.：It is flipped up
Afterwards), the energy that damper is compressed can progressively be discharged, so as to provide power-assisted for the opening of cover board, personnel easy to operation apply
Less strength is added to open cover board；In addition, damper can be made all the time by the selection of the setting length to stroke axocoel a
In compressed state (or when cover board resets completely, damper just at compressed with it is un-compressed critical
Point), cover board can be avoided to occur virtual row journey in switching process, so that, when cover board is only opening very little angle (such as 10 °), still
It can be so allowed freely to fall slowly.Certainly, turn to realize to rotate in a circumferential direction external member 40 and move axially the rotary motion between external member 30
The effect of linear motion with by move axially external member 30 oppress damper, or damper stretching (i.e.：Damper is pressed
Contract it is exergonic during) during by moving axially external member 30 promote the external member 40 that rotates in a circumferential direction to be rotated, it is circumferential
Rotation external member 40 and the connection structure moved axially between external member 30 can use existing inclined-plane fit structure.
As a preferred solution, for can during cover board overturns and falls by rotate in a circumferential direction external member 40 with it is axial
Mobile external member 30 provides certain bounce to cover board, helps damper to offset acceleration when cover board falls jointly, while auxiliary
Damper is helped to complete to reset pulling action, the buffer of the present embodiment further includes a power assistant spring 50 being placed in stroke axocoel a,
The outer end of power assistant spring 50 offsets with moving axially the inner face of external member 30, the inner inner face with stroke axocoel a offsets, unidirectionally
20 sleeve of hydraulic damper is coaxially distributed in power assistant spring 50 and with power assistant spring 50.Thus, by selecting suitable spring
Cooperate with damper, can meet different size, different weight cover board upset requirement, expand whole buffering
The scope of application of device.
For ease of carrying out dismounting maintenance to each building block of buffer, while the structure strengthened between all parts is tight
Gathering property, the shell 10 of this implementation include external port aperture be less than inner port aperture casing 12, by casing 12
Fixed plate 13 that the radial direction of periphery wall along casing 12 is made to be formed after extending, sleeve is in the end plate 14 in the inner port of casing 12
And the positioning pin 15 that is distributed at the same time through end plate 14 and casing 12 of radial direction along casing 12, and stroke axocoel a then by
The inner space of casing 12 carries out closure aftershaping, the inner of unidirectional hydraulic damper 20 through end plate 14 to the inner port of casing 12
(i.e.：The end of piston rod 22) for sleeve at the center of the outer end face of end plate 14, the inner of power assistant spring 50 is outer with end plate 14
End face offsets.Thus, using the aperture difference between external port in casing 12, the external member 40 that will can rotate in a circumferential direction, axial movement set
Part 30, unidirectional hydraulic damper 20, power assistant spring 50 and end cap 14 are sequentially assemblied in shell 10 by the inner port side of casing 12
In (also corresponding in stroke axocoel a or in casing 12), then positioning pin 15 is recycled to be locked in end plate 14 on casing 12 i.e.
Can.Of course, it is possible to beyond all doubt determines that guide chute 11 is opened on the internal perisporium of casing 12.
To ensure that the rotary motion effect of cover board can be converted to the linear motion effect of the internal part of buffer, this reality
Applying the external member 40 that rotates in a circumferential direction of example includes the interior shaft 41 being placed in the front end of stroke axocoel a and by interior shaft 41
Outer end stretch out aftershaping and through stroke axocoel a external port be distributed outer shaft portion 42, in the week of interior shaft 42
The first notch guide groove b of at least one axial directional distribution along interior shaft 42 is offered on wall, correspondingly, in axial shifting
The second notch guide groove c is offered on the perisporium of dynamic external member 30 and positioned at the opposite side of the first notch guide groove b；Wherein, first
One of axial side wall of notch guide groove b and the second notch guide groove b are that plane, another axial side wall are spiral
Inclined-plane, and the flat sidewall of the first notch guide groove b and the flat sidewall of the second notch guide groove c are distributed in opposite directions, and first lacks
The screw inclined plane of mouth guide groove b and the screw inclined plane of the second notch guide groove c are distributed (can be understood as in opposite directions：Axial movement set
Other surplus parts on the perisporium of part 30 in addition to the second vacant guide groove c are that contraposition is embedded in the first vacant guide groove b
, other surplus parts on the perisporium of interior shaft 42 in addition to the first vacant guide groove b are that contraposition is embedded in the second omission
In guide groove c).Thus, when the external member 20 that rotates in a circumferential direction is being rotated under the action of cover board, due to notch guide groove c's
Contraposition engomphosis relation between the effect of screw inclined plane and guide chute 11 and directive slide track 31 can to move axially external member
30 can only be moved along the axial direction of stroke axocoel a and can not be rotated synchronously with the external member 20 that rotates in a circumferential direction；It is and sharp
It can then be carried out with the flat sidewall of guide groove to rotating in a circumferential direction external member 40 with moving axially the position of both external member 30 relative motions
It is spacing, to reach the effect only stopped；Meanwhile the guide groove of the present embodiment can make particular number according to the setting of cover board flip angle
Selection, the external member that such as rotates in a circumferential direction 40 with axial movement external member 30 there is a guide groove respectively when, it is ensured that cover board being capable of phase
Make the upset close to 180 ° of maximum angle scope for product main body, turning over for low-angle can be achieved if multiple guide grooves are set
Turn.
Since general clamshell product only needs cover board to be overturn in the range of 90 ° -0 °, therefore the present embodiment is preferred
Scheme is：At least two are offered on the perisporium of interior shaft 42 to be oriented to around equally distributed first notch of interior shaft 42
Groove b, correspondingly, move axially offered on the perisporium of external member 30 at least two and first notch guide groove b align one by one point
Second notch guide groove c of cloth.
To ensure the structural compactness to rotate in a circumferential direction between external member 40 and axial movement external member 30, both are avoided to depart from
Or movement locus occur deviation, the central area of the inner face of interior shaft 42 and along interior shaft 42 axial direction to
Formed with a locating shaft 43 after interior extension, correspondingly, the central area for moving axially external member 30 is further opened with one and is used for for calmly
Position axis 43 aligns the positioning shaft hole 32 of sleeve.Thus, it is ensured that the external member that rotates in a circumferential direction 40 can only be with the central axes of positioning shaft hole 32
It is rotated, so as to improve accuracy and smoothness that rotary motion turns linear motion.
For ensure axial movement external member 30 can smoothly in stroke axocoel a it is for linear motion, move axially external member
At least one directive slide track 31 is both provided with 30 perisporium and between per two adjacent the second notch guide groove c.By
This, can move axially multiple directive slide tracks 31 that the distribution of ring week is formed on the perisporium of external member 30, so as to ensure to move axially
External member 30 and shell 10 it is compact-sized while, improve the linear motion effect of axial movement external member 30.
In addition, for ease of by outer shaft portion 41 (i.e.：Rotate in a circumferential direction external member 40) it is assembled to and renovates, outer turn of the present embodiment
The outer end of axle portion 41 is preferably oblate column structure.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (8)
- A kind of 1. force-aid buffering device, it is characterised in that：It includes：One shell, formed with a stroke axocoel with external port and inner closing in the shell, the stroke axocoel it is interior Guide chute of at least one edge parallel to the axial directional distribution of stroke axocoel is offered on perisporium；One unidirectional hydraulic damper, the unidirectional hydraulic damper sleeve is in stroke shaft intracavitary, and the unidirectional hydraulic damper The inner be connected with the inner face of stroke axocoel；One axial movement external member, the axial movement external member sleeve is in stroke shaft intracavitary, the inner end of the axial movement external member It is connected with the outer end of unidirectional hydraulic damper, being provided with contraposition on the perisporium of the axial movement external member is embedded in guide chute Directive slide track；WithOne rotates in a circumferential direction external member, and the external port for rotating in a circumferential direction external member through stroke axocoel is distributed, and described rotates in a circumferential direction The inner end of external member is connected with moving axially the outer end of external member；Point of the axial movable sleeving part along guide chute is promoted while the external member that rotates in a circumferential direction rotates relative to shell Cloth direction towards stroke axocoel interior side it is for linear motion with by move axially external member promote unidirectional hydraulic damper compress Movement, the axial direction of the unidirectional hydraulic damper along shell make to promote axial movable sleeving part while extensional motion along guiding The outer side of the distribution arrangement of sliding slot towards stroke axocoel is for linear motion to drive the external member that rotates in a circumferential direction by moving axially external member Rotate relative to shell.
- A kind of 2. force-aid buffering device as claimed in claim 1, it is characterised in that：It further includes one and is placed in helping for stroke shaft intracavitary Power spring, the outer end of the power assistant spring offsets with moving axially the inner face of external member, the inner inner face phase with stroke axocoel Support, the unidirectional hydraulic damper sleeve is coaxially distributed in power assistant spring and with power assistant spring.
- A kind of 3. force-aid buffering device as claimed in claim 2, it is characterised in that：The shell includes the hole of external port Footpath be less than inner port aperture casing, by casing periphery wall along casing radial direction make extend after formed fixed plate, Sleeve is in the end plate in the inner port of casing and the positioning that is distributed at the same time through end plate and casing of radial direction along casing Pin, the stroke axocoel carry out the inner port of casing closure aftershaping, the unidirectional liquid by the inner space of casing through end plate The inner sleeve of damper is pressed at the center of the outer end face of end plate, the inner of the power assistant spring and the outer end face phase of end plate Support.
- A kind of 4. force-aid buffering device as any one of claim 1-3, it is characterised in that：The external member bag that rotates in a circumferential direction Include the interior shaft that is placed in the front end of stroke axocoel and by the outer end of interior shaft stretch out aftershaping and through The outer shaft portion of the external port distribution of stroke axocoel, offers on the perisporium of the interior shaft at least one along interior shaft First notch guide groove of axial directional distribution, it is described axial movement external member perisporium on and positioned at the first notch guide groove phase Offside offers the second notch guide groove；One of axial side wall of the first notch guide groove and the second notch guide groove is plane, another axial side Wall is screw inclined plane, and the flat sidewall of the first notch guide groove and the flat sidewall of the second notch guide groove are divided in opposite directions Cloth, the screw inclined plane of the first notch guide groove and the screw inclined plane of the second notch guide groove are distributed in opposite directions.
- A kind of 5. force-aid buffering device as claimed in claim 4, it is characterised in that：Offered on the perisporium of the interior shaft to Few two offer at least on the equally distributed first notch guide groove of interior shaft, the perisporium of the axial movement external member Two with the first notch guide groove one by one to the second notch guide groove of bit distribution.
- A kind of 6. force-aid buffering device as claimed in claim 5, it is characterised in that：The center of the inner face of the interior shaft Domain and after extending internally along the axial direction of interior shaft formed with a locating shaft, the central area of the axial movement external member is also Offer one be used for for locating shaft align sleeve positioning shaft hole.
- A kind of 7. force-aid buffering device as claimed in claim 5, it is characterised in that：On the perisporium of the axial movement external member and position At least one directive slide track is both provided between every two adjacent the second notch guide grooves.
- A kind of 8. force-aid buffering device as claimed in claim 4, it is characterised in that：The outer end in the outer shaft portion is oblate column Body structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034928.7U CN207260829U (en) | 2017-08-17 | 2017-08-17 | A kind of force-aid buffering device |
| TW107209568U TWM567322U (en) | 2017-08-17 | 2018-07-16 | Booster buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034928.7U CN207260829U (en) | 2017-08-17 | 2017-08-17 | A kind of force-aid buffering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207260829U true CN207260829U (en) | 2018-04-20 |
Family
ID=61925268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721034928.7U Active CN207260829U (en) | 2017-08-17 | 2017-08-17 | A kind of force-aid buffering device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207260829U (en) |
| TW (1) | TWM567322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716334A (en) * | 2018-06-28 | 2018-10-30 | 黄庆盛 | A kind of self-return damping door hinge |
| CN108799392A (en) * | 2018-07-06 | 2018-11-13 | 华南理工大学 | A kind of spiral damping unit and its operation method |
| CN110307248A (en) * | 2019-08-02 | 2019-10-08 | 东莞市宏联电子有限公司 | Hinge means and unmanned controller |
| CN110319135A (en) * | 2019-08-16 | 2019-10-11 | 东莞市培尔电子有限公司 | A kind of On A Retrofitted Damper |
-
2017
- 2017-08-17 CN CN201721034928.7U patent/CN207260829U/en active Active
-
2018
- 2018-07-16 TW TW107209568U patent/TWM567322U/en unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716334A (en) * | 2018-06-28 | 2018-10-30 | 黄庆盛 | A kind of self-return damping door hinge |
| CN108799392A (en) * | 2018-07-06 | 2018-11-13 | 华南理工大学 | A kind of spiral damping unit and its operation method |
| CN110307248A (en) * | 2019-08-02 | 2019-10-08 | 东莞市宏联电子有限公司 | Hinge means and unmanned controller |
| CN110307248B (en) * | 2019-08-02 | 2024-04-30 | 东莞市宏联电子有限公司 | Hinge device and unmanned aerial vehicle remote controller |
| CN110319135A (en) * | 2019-08-16 | 2019-10-11 | 东莞市培尔电子有限公司 | A kind of On A Retrofitted Damper |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM567322U (en) | 2018-09-21 |
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