CN107120013B - Pulley gear and door and window - Google Patents
Pulley gear and door and window Download PDFInfo
- Publication number
- CN107120013B CN107120013B CN201710447732.9A CN201710447732A CN107120013B CN 107120013 B CN107120013 B CN 107120013B CN 201710447732 A CN201710447732 A CN 201710447732A CN 107120013 B CN107120013 B CN 107120013B
- Authority
- CN
- China
- Prior art keywords
- roll wheel
- wheel assembly
- shell
- pulley gear
- mounting shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/40—Physical or chemical protection
- E05Y2800/422—Physical or chemical protection against vibration or noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of pulley gear and door and windows, the pulley gear includes mounting shell, elastics wing part and two the first roll wheel assemblies for being respectively arranged on elastics wing part opposite end, elastics wing part is rotatably arranged in mounting shell, and can be swung up and down in the common locating plane of two the first roll wheel assemblies.Pulley gear can be rotatably set elastics wing part in mounting shell, two the first roll wheel assemblies are set to the opposite both ends of elastics wing part, because the flexible deformation of elastics wing part itself can buffer the vibration in the first roll wheel assembly rolling process, noise is reduced, reduces abrasion；And, because elastics wing part can be swung in the plane where two the first roll wheel assemblies, drive two the first roll wheel assemblies for being set to its opposite end that can be freely swung according to the flat condition of sliding rail, the further vibration during buffering sliding, keep the first roll wheel assembly more flexible along the sliding of guide rail, it realizes self-balancing, is further reduced vibration and noise, overall performance is preferable.
Description
Technical field
The present invention relates to carriage technical fields, more particularly to pulley gear and door and window.
Background technique
In general sliding door and window, the push pull maneuver of door and window is realized by installation pulley gear, idler wheel edge is led in push-and-pull
Rail sliding, is easy to happen vibration, generates biggish noise, and the roller stress slid along when guide rail deformation is uneven,
It is prone to wear, reduces the service life of pulley gear, the overall performance of pulley gear is poor.
Summary of the invention
Based on this, it is necessary to provide a kind of preferable pulley gear of overall performance.
It there is a need to provide a kind of door and window with the pulley gear.
A kind of pulley gear, including mounting shell, elastics wing part, first rotating shaft and the first roll wheel assembly, the elasticity pendulum
The opposite both ends of moving part are respectively equipped with two first roll wheel assemblies, and the first rotating shaft is fixed in the mounting shell, institute
Elastics wing part is stated to be rotatably arranged in the first rotating shaft and can be around the first rotating shaft in the vertical first rotating shaft axis
It is back and forth swung up and down in the plane of line.
The first roll wheel assembly in above-mentioned pulley gear can be moved along guide rail drives door and window folding, and in mounting shell
It can be rotatably set elastics wing part, two the first roll wheel assemblies are set to the opposite both ends of elastics wing part, because of elastics wing
The flexible deformation of part itself can buffer the vibration in the first roll wheel assembly rolling process, reduce noise, reduce abrasion；Also,
Because elastics wing part can back and forth be swung up and down in the plane of vertical first rotating shaft axis around first rotating shaft, drives and be set to it
Two the first roll wheel assemblies of opposite end can freely swing according to the flat condition of sliding rail, further during buffering sliding
Vibration, keep the first roll wheel assembly more flexible along the sliding of guide rail, realize self-balancing, be further reduced vibration and noise, drop
The low abrasion with guide rail, overall performance are preferable.
The elastics wing part includes the first arc elastic arm and the second arc elastic arm in one of the embodiments,
The first arc elastic arm and the second arc elastic arm both ends close to each other synchronize be rotatably connected at described
In one shaft, two first roll wheel assemblies are assemblied in the first arc elastic arm and the second arc elastic arm is mutual
Separate both ends.
The first arc elastic arm and the second arc elastic arm integrally connected are in arch in one of the embodiments,
Shape.
It in one of the embodiments, further include the elastic telescopic part and the second roll wheel assembly in the mounting shell,
Second roll wheel assembly and the movable connection of the mounting shell, the elastic telescopic part are connected to the peace along its telescopic direction
It fills between shell and second roll wheel assembly.
First roll wheel assembly and second roll wheel assembly include mounting rack, rolling in one of the embodiments,
Wheel and the second shaft, idler wheel described in first roll wheel assembly and second roll wheel assembly are rotatably arranged in corresponding
The other end of mounting rack described in described mounting rack one end, first roll wheel assembly and second roll wheel assembly passes through correspondence
Second shaft be rotatably connected respectively with the elastics wing part and the elastic telescopic part, and second shaft
Axis direction is vertical with the axis direction of the first rotating shaft.
First roll wheel assembly and second roll wheel assembly further include bearing in one of the embodiments, institute
Bearing holder (housing, cover) is stated to be set between second shaft and the mounting rack.
In one of the embodiments, further include shell and adjust component, the casing be set to the mounting shell it is outer and
Certain gap is equipped between the mounting shell, the adjusting component can drive the mounting shell along first roll wheel assembly
Rotating direction and/or the short transverse of the vertical rotating direction moved in the shell.
The adjusting component includes regulating part in one of the embodiments, and the regulating part is connect with the mounting shell
And it is able to drive rotating direction of the mounting shell relative to the shell along first roll wheel assembly and moves.
The adjusting component further includes guide part in one of the embodiments, and the mounting shell and the shell are wherein
One of on offer inclined sliding slot, the guide part of the sliding slot is provided through in another one therein, it is described to lead
To part and sliding slot relative movement when the mounting shell is moved along the rotating direction, and when the two at least partly contacts
The regulating part provides the driving force for driving the mounting shell to move along the rotating direction and the short transverse.
A kind of door and window, including framework, fan body and above-mentioned pulley gear, the pulley gear is set on the fan body, and band
Move the relatively described framework sliding of the fan body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention middle pulley device；
Fig. 2 is the decomposition diagram of pulley gear shown in FIG. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Fig. 1~2, pulley gear 100 in one embodiment of the invention include mounting shell 10, elastics wing part 30,
First rotating shaft 40 and the first roll wheel assembly 50, the opposite both ends of elastics wing part 30 are respectively equipped with two the first roll wheel assemblies 50,
First rotating shaft 40 is fixed in mounting shell 10, and elastics wing part 30 is rotatably arranged in first rotating shaft 40 and can be around first
Shaft 40 is back and forth swung up and down in the plane of vertical first rotating shaft 40.
The first roll wheel assembly 50 in above-mentioned pulley gear 100 can be moved along guide rail drives door and window folding, and is pacifying
It can be rotatably set elastics wing part 30 in dress shell 10, two the first roll wheel assemblies 50 are set to opposite two of elastics wing part 30
End reduces because the flexible deformation of elastics wing part 30 itself can buffer the vibration in 50 rolling process of the first roll wheel assembly
Noise reduces abrasion；Also, because elastics wing part 30 can be past in the plane of vertical first rotating shaft 40 around first rotating shaft 40
It swings up and down again, drives two the first roll wheel assemblies 50 for being set to its opposite end that can freely be put according to the flat condition of sliding rail
Dynamic, further the vibration during buffering sliding, keeps the first roll wheel assembly 50 more flexible along the sliding of guide rail, realizes from flat
Weighing apparatus is further reduced vibration and noise, reduces the abrasion with guide rail, and overall performance is preferable.
In one embodiment, elastics wing part 30 includes the first arc elastic arm 32 and the second arc elastic arm 34, the
One arc elastic arm 32 and the second arc elastic arm 34 both ends close to each other synchronize be rotatably connected at first rotating shaft 40, two
A first roll wheel assembly 50 is assemblied in the both ends that the first arc elastic arm 32 and the second arc elastic arm 34 are located remotely from each other, and first
Arc elastic arm 32 and the second arc elastic arm 34 can be swung around first rotating shaft 40 simultaneously, so by two the first roll wheel assemblies 50
It is respectively arranged on the first arc elastic arm 32 and the second arc elastic arm 34, realizes the swing around first rotating shaft 40, reduce sliding
Noise in the process.
Further, the first arc elastic arm 32 and 34 integrally connected of the second arc elastic arm are domed.Optionally, elastic
Swing component 30 is arch reed.It is to be appreciated that the second arc bullet directly can be connected to for one end of the first arc elastic arm 32
On one end of property arm 34, the elastics wing part 30 of arch is formed, first slide assemblies 50 at both ends is driven to swing；First arc bullet
Property arm 32 and the second arc elastic arm 34 between can also be connected by horizontal interconnecting piece, drive the first roll wheel assembly 50 swing,
It is not limited here.
In one embodiment, elastics wing part 30 further includes interconnecting piece 36, and interconnecting piece 36 is rotationally sheathed on first
In shaft 40, it is rotatably coupled by 36 elastics wing part 30 of interconnecting piece with first rotating shaft 40, and the first arc elastic arm
32 and 34 opposing connections 36 of the second arc elastic arm be symmetrical arranged, so make to be respectively arranged on the first arc elastic arm 32 and second
Two the first roll wheel assemblies 50 on arc elastic arm 34 are located on sustained height, with the support sash of common horizontal.
Specifically, mounting shell 10 include relative spacing setting two sidewalls 12, elastics wing part 30 be set to two sidewalls 12 it
Between, and first rotating shaft 40 is connected between two sidewalls 12, and the interconnecting piece 36 of elastics wing part 30 is rotatably arranged in first turn
On axis 40.
In one embodiment, pulley gear 100 further includes being set to elastic telescopic part 60 and the second roll wheel assembly 70, and second
Roll wheel assembly 70 and the movable connection of mounting shell 10, elastic telescopic part 60 are connected to mounting shell 10 and the second rolling along its telescopic direction
Between wheel assembly 70, such second roll wheel assembly 70 cooperates the sliding of the first roll wheel assembly 50, and passes through elastic telescopic component 60
70 downward shift of the second roll wheel assembly of movable connection can be driven, the vibration in 70 moving process of the second roll wheel assembly is buffered
It is dynamic, noise is further decreased, the overall performance of pulley gear 100 is improved.It is to be appreciated that elastic telescopic part 60 and elastics wing
Part 30 can be both set in mounting shell 10, one of them also can only be arranged, it is not limited here.
In one embodiment, the first roll wheel assembly 50 and the second roll wheel assembly 70 include mounting rack 52, idler wheel 54 and
Idler wheel 54 is rotatably arranged in 52 one end of mounting rack in second shaft 56, the first roll wheel assembly 50 and the second roll wheel assembly 70, the
In one roll wheel assembly 50 and the second roll wheel assembly 70 other end of mounting rack 52 by corresponding second shaft 56 respectively with elasticity
Swing component 30 and elastic telescopic part 60 are rotatably connected, and the second shaft 56 in the first roll wheel assembly 50 passes through the one of mounting rack 52
End is connect with elastics wing part 30, and wherein mounting rack 52 can be rotated with relative resilient swing component 30, the in the second roll wheel assembly 70
One end that two shafts 56 pass through mounting rack 52 is connect with mounting shell 10, and elastic telescopic part 60 is sheathed on the second shaft 56
Outside, the second roll wheel assembly 70 can be rotated with relative resilient extensible member 60.Specifically, mounting shell 10 further includes being connected to two sidewalls 12
Top plate 13 between one end, the second shaft 56 and the movable connection of top plate 13 in the second roll wheel assembly 70, such as on top plate 13
Open up the through-hole for allowing the second shaft 56 to pass through.
In this way, idler wheel 54 is mounted on elastics wing part 30 and elastic telescopic part 60, to drive door and window to slide, and pacify
Shelving 52 can rotate around 56 relative resilient swing component 30 of the second shaft and elastic telescopic part 60, the axis direction of the second shaft 56
It is vertical with the axis direction of first rotating shaft 40, the multi-faceted adjusting of 54 rolling track of idler wheel is realized, when guide rail goes out in the horizontal plane
When now deforming, the rolling track of adjustment idler wheel 54 is rotated to 52 adaptability of mounting rack, avoids idler wheel 54 and the guide rail of deformation rigid
Property contact, reduce vibration.
Further, the first roll wheel assembly 50 and the second roll wheel assembly 70 further include bearing 58, and bearing 58 is sheathed on peace
52 and second are shelved between shaft 56, to be rotatably coupled mounting rack 52, realizes the multi-faceted adjustment of 54 rolling track of idler wheel,
Bearing 58 can further decrease noise with the frictional force generated when the rolling of 54 opposite rail of cushion idler simultaneously.
In one embodiment, pulley gear 100 further includes shell 80 and adjusts component 90, and shell 80 is sheathed on mounting shell
Certain gap is equipped with outside 10 and between mounting shell 10, adjusting component 90 can drive mounting shell 10 along the first roll wheel assembly 50
The short transverse in rotating direction and/or vertical scrolling direction moves in shell 80, will entirely be installed on the group on mounting shell 10
Part can be by the drive of adjusting component 90, and the adjusting position in shell 80 is convenient for actual installation and adjusting.
Further, adjusting component 90 includes regulating part 92, and regulating part 92 connect with mounting shell 10 and is able to drive installation
10 opposite shell 80 of shell is moved along the rotating direction of the first roll wheel assembly 50, can be adjusted by external force on regulating part 92
The position of mounting shell 10.
Specifically, adjusting component 90 further includes dummy slider 94, opens up fluted 14 along short transverse on mounting shell 10, dummy slider 94
Inlay card is in groove 14, and one end of regulating part 92 passes through shell 80 and is threadedly coupled with dummy slider 94, and the other end of regulating part 92 is kept out
In outside shell 80, when rotating regulating part 92 so outside shell 80, the dummy slider 94 being threadedly coupled with regulating part 92 drives mounting shell
10 opposite shells 80 are moved along the rotating direction of the first roll wheel assembly 50.
Further, adjusting component 90 further includes guide part 96, mounting shell 10 and shell 80 one of wherein on open up
There is inclined sliding slot 16, the guide part 96 of sliding slot 16 is wherein provided through in another one, guide part 96 is being installed with sliding slot 16
Relative movement when shell 10 is moved along rotating direction, and regulating part 92 provides drive 10 edge of mounting shell when the two at least partly contacts
The driving force of rotating direction and short transverse movement, that is to say, that regulating part 92 drives mounting shell 10 to move along rotating direction
Simultaneously as inclined sliding slot 16 produces the drive of rotating direction and short transverse both direction with being engaged for guide part 96
Power can drive mounting shell 10 along rotating direction and short transverse both direction 10 adjusting position of opposite shell simultaneously, can be with
The position of 92 rotating direction of regulating part is adjusted to the position adjusting for being converted to short transverse, increases what 10 position of mounting shell was adjusted
Direction, realizes mounting shell 10 and the position of black box rotating direction and short transverse adjusts in mounting shell 10, facilitates root
Adjust position of the idler wheel 54 with respect to slide rail in time according to actual conditions, make carriage 100 using more flexible, can also be with
Being adjusted by position appropriate reduces abrasion and noise.
Based on above-mentioned pulley gear 100, the present invention also provides a kind of door and window, which includes framework, fan body and above-mentioned cunning
Wheel apparatus 100, pulley gear 100 are set on fan body, and fan body is driven to slide with respect to framework, keep the sliding of fan body more smooth,
And reduce vibration and noise.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of pulley gear, which is characterized in that including mounting shell, elastics wing part, first rotating shaft and the first roll wheel assembly, institute
It states the opposite both ends of elastics wing part and is respectively equipped with two first roll wheel assemblies, the first rotating shaft is fixed on the installation
In shell, the elastics wing part is rotatably arranged in the first rotating shaft and can be around the first rotating shaft vertical described first
It is back and forth swung up and down in the plane of shaft axis；The elastics wing part includes the first arc elastic arm and the second arc elastic
Arm, the first arc elastic arm and the second arc elastic arm both ends close to each other synchronize be rotatably connected at it is described
In first rotating shaft, two first roll wheel assemblies are assemblied in the first arc elastic arm and the second arc elastic arm phase
Mutually separate both ends；And the first arc elastic arm and the second arc elastic arm integrally connected.
2. pulley gear according to claim 1, which is characterized in that the first arc elastic arm and second arc
Elastic arm integrally connected is domed.
3. pulley gear according to claim 1, which is characterized in that it further include elastic telescopic part and the second roll wheel assembly,
Second roll wheel assembly and the movable connection of the mounting shell, the elastic telescopic part are connected to the peace along its telescopic direction
It fills between shell and second roll wheel assembly.
4. pulley gear according to claim 3, which is characterized in that first roll wheel assembly and second roller group
Part includes mounting rack, idler wheel and the second shaft, idler wheel described in first roll wheel assembly and second roll wheel assembly
It is rotatably arranged in corresponding described mounting rack one end, is installed described in first roll wheel assembly and second roll wheel assembly
The other end of frame is rotatably connected with the elastics wing part and the elastic telescopic part respectively by corresponding second shaft
It connects, and the axis direction of second shaft is vertical with the axis direction of the first rotating shaft.
5. pulley gear according to claim 4, which is characterized in that first roll wheel assembly and second roller group
Part also includes bearing, and the bearing holder (housing, cover) is set between second shaft and the mounting rack.
6. pulley gear according to claim 1, which is characterized in that further include shell and adjusting component, the casing
Certain gap is equipped with outside the mounting shell and between the mounting shell, the adjusting component can drive the mounting shell
It is moved in the shell along the rotating direction of first roll wheel assembly and/or the short transverse of the vertical rotating direction.
7. pulley gear according to claim 6, which is characterized in that the adjusting component includes regulating part, the adjusting
Part connects with the mounting shell and is able to drive the opposite shell of the mounting shell along the rolling square of first roll wheel assembly
To movement.
8. pulley gear according to claim 7, which is characterized in that the adjusting component further includes guide part, the peace
Dress shell and the shell one of wherein on offer inclined sliding slot, the sliding slot is provided through in another one therein
The guide part, the guide part and sliding slot relative movement when the mounting shell is moved along the rotating direction, and
The two when at least partly contacting the regulating part provide the mounting shell driven to move along the rotating direction and the short transverse
Dynamic driving force.
9. a kind of door and window, which is characterized in that including framework, fan body and the pulley gear as described in claim 1-8 any one,
The pulley gear is set on the fan body, and drives the relatively described framework sliding of the fan body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447732.9A CN107120013B (en) | 2017-06-14 | 2017-06-14 | Pulley gear and door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447732.9A CN107120013B (en) | 2017-06-14 | 2017-06-14 | Pulley gear and door and window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107120013A CN107120013A (en) | 2017-09-01 |
| CN107120013B true CN107120013B (en) | 2019-08-06 |
Family
ID=59718313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710447732.9A Active CN107120013B (en) | 2017-06-14 | 2017-06-14 | Pulley gear and door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120013B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575113B (en) * | 2017-10-11 | 2019-05-28 | 武汉泽元科技有限公司 | A kind of mute automatic buffer pulley gear of embedded type |
| CN107620537B (en) * | 2017-10-11 | 2019-09-24 | 武汉泽元科技有限公司 | A kind of mute automatic buffer pulley gear of outer-installed type |
| CN110159122A (en) * | 2019-05-30 | 2019-08-23 | 贵州德发铝塑五金制品有限公司 | Pulley gear |
| CN115680418A (en) * | 2022-12-27 | 2023-02-03 | 中山朗斯家居股份有限公司 | Bidirectional buffering simple sliding door |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3698036A (en) * | 1970-10-14 | 1972-10-17 | Columbia Belford Inc | Sliding structure roller assembly |
| DE9300918U1 (en) * | 1993-01-23 | 1993-03-11 | Paul Hettich GmbH & Co, 4983 Kirchlengern | Holding device for sliding doors, folding sliding doors, sliding windows or similar. |
| CN2545320Y (en) * | 2002-06-04 | 2003-04-16 | 赖钦铭 | Improved pulley device |
| CN2672238Y (en) * | 2003-12-18 | 2005-01-19 | 大庆石油管理局 | Self regulating shock-proof universal support roller |
| ITRN20100014U1 (en) * | 2010-10-05 | 2012-04-06 | Koblenz Spa | TROLLEY FOR SLIDING DOOR. |
| CN202493122U (en) * | 2012-02-03 | 2012-10-17 | 奉化市金辉五金制品有限公司 | Width-variable sliding door and window pulley |
| CN205153803U (en) * | 2015-11-24 | 2016-04-13 | 天津市海涛门窗有限公司 | Dedicated pulley gear of sliding door |
-
2017
- 2017-06-14 CN CN201710447732.9A patent/CN107120013B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107120013A (en) | 2017-09-01 |
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