CN209212098U - Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring - Google Patents
Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring Download PDFInfo
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- CN209212098U CN209212098U CN201821397761.5U CN201821397761U CN209212098U CN 209212098 U CN209212098 U CN 209212098U CN 201821397761 U CN201821397761 U CN 201821397761U CN 209212098 U CN209212098 U CN 209212098U
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- swinging arm
- rotary swinging
- torque spring
- pulley
- open
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Abstract
Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring provided by the embodiment of the utility model, belong to door lock field.Open-and-close mechanism includes leading block group on the band torque spring, it is oriented to rotary swinging arm, upper outstanding rotary swinging arm, upper outstanding control slide assemblies, torque spring and fixing piece, one end of guiding rotary swinging arm is connect by torque spring with leading block group, the one end for being oriented to the other end and upper outstanding rotary swinging arm of rotary swinging arm is hinged, the other end and fixing piece of upper outstanding rotary swinging arm are hinged, upper outstanding control slide assemblies are slidably arranged on fixing piece, location hole is provided on upper outstanding rotary swinging arm, when upper outstanding rotary swinging arm is rotated to and is overlapped with fixing piece, locating piece on upper outstanding control slide assemblies is inserted into location hole.So can realize the fixed outstanding rotary swinging arm by locating piece, so that in the open state directly flicking door and window by torque spring, so that door and window automatically springs open door and window when opening, and then realize that the unlatching of door and window is more laborsaving.
Description
Technical field
The utility model relates to door lock fields, in particular to open-and-close mechanism and opening-closing machine on a kind of band torque spring
Structure.
Background technique
Current existing door and window is all the degree that opening of doors and windows is realized by manually when opening, for example, by firmly
Window is pushed away to realize and open, can be brought great inconvenience to users so as to cause when windowing, and either for child
For old man, it is likely that will lead to them cannot achieve door and window, and then bring great inconvenience to users.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides open-and-close mechanism and opening-closing machine on a kind of band torque spring
Structure.
The embodiments of the present invention are achieved in that
Open-and-close mechanism on a kind of band torque spring comprising leading block group, guiding rotary swinging arm, upper outstanding rotary swinging arm,
Upper outstanding control slide assemblies, torque spring and fixing piece, one end of the guiding rotary swinging arm pass through the torque spring and institute
State leading block group connection, it is described guiding rotary swinging arm the other end and the upper outstanding rotary swinging arm one end it is hinged, it is described on
The other end and the fixing piece of outstanding rotary swinging arm are hinged, and the upper outstanding control slide assemblies are slidably arranged in the fixing piece
On, it is provided with location hole on the upper outstanding rotary swinging arm, when the upper outstanding rotary swinging arm is rotated to and is overlapped with the fixing piece,
Locating piece on the upper outstanding control slide assemblies is inserted into the location hole；The upper outstanding rotary swinging arm include the first connector,
Second connector and third connector, one end of first connector and the guiding rotary swinging arm are hinged, and described first connects
One end of the other end of fitting and second connector, which tilts, to be connected, and the other end of second connector and the third connect
One end of fitting tilts connection, and the other end and the fixing piece of the third connector are hinged, and one end of the location hole is opened
It is located on first connector, the other end of the location hole is provided on the third connector.
In the utility model preferred embodiment, above-mentioned leading block group includes ontology and the cunning that connect with the ontology
Wheel assembly, the pulley assembly include first pulley, second pulley, third pulley, the 4th pulley and pulley sleeve；The pulley sleeve
It is connect side by side with the ontology, the first pulley, the second pulley, the third pulley and the 4th pulley are successively pacified
In the pulley sleeve；The first connecting hole for connecting the guiding rotary swinging arm is offered on the ontology and is used for solid
The spring hanging hole of the fixed torque spring.
In the utility model preferred embodiment, it is additionally provided on above-mentioned guiding rotary swinging arm for fixing the torsion bullet
The hanging hole and fixation hole of spring are additionally provided with rivet on the guiding rotary swinging arm, and the connector sequentially passes through the fixation hole
It is connect with the torque spring with first connecting hole, one end of the torque spring is mounted on the hanging hole, the torsion
The other end of power spring is mounted on the spring hanging hole.
In the utility model preferred embodiment, above-mentioned location hole is positioned close to the one of the guiding rotary swinging arm
Side.
In the utility model preferred embodiment, it is additionally provided with positioning on above-mentioned ontology and adjusts bolt.
In the utility model preferred embodiment, slideway, the upper outstanding control Slide Group are provided in above-mentioned fixing piece
Part is mounted on the slideway, for sliding on the fixing piece.
In the utility model preferred embodiment, above-mentioned guiding rotary swinging arm and the upper outstanding rotary swinging arm junction at
Arc.
In the utility model preferred embodiment, above-mentioned first connector, second connector and the third connect
Fitting is integrally formed.
In the utility model preferred embodiment, above-mentioned first pulley, the second pulley, the third pulley and institute
The spacing distance stated between the 4th pulley is equal.
A kind of open-and-close mechanism, which is characterized in that including being opened on the band torque spring as described in above-described embodiment any one
Close mechanism.
The beneficial effect of the utility model embodiment is: the utility model embodiment provides to be opened on a kind of band torque spring
Mechanism and open-and-close mechanism are closed, this can be realized more labor-saving window with open-and-close mechanism on torque spring, on the band torque spring
Open-and-close mechanism include leading block group, guiding rotary swinging arm, upper outstanding rotary swinging arm, upper outstanding control slide assemblies, torque spring and
One end of fixing piece, the guiding rotary swinging arm is connect by the torque spring with the leading block group, the guiding rotation
The other end of switch arm and one end of the upper outstanding rotary swinging arm are hinged, the other end of the upper outstanding rotary swinging arm and the fixation
Part is hinged, and the upper outstanding control slide assemblies are slidably arranged on the fixing piece, and it is fixed to be provided on the upper outstanding rotary swinging arm
Position hole, the positioning when the upper outstanding rotary swinging arm is rotated to and is overlapped with the fixing piece, on the upper outstanding control slide assemblies
Part is inserted into the location hole；The upper outstanding rotary swinging arm includes the first connector, the second connector and third connector, and described the
One end of a connection piece and the guiding rotary swinging arm are hinged, the other end of first connector and second connector
One end of one end inclination connection, the other end of second connector and the third connector, which tilts, to be connected, and the third connects
The other end of fitting and the fixing piece are hinged, and one end of the location hole is provided on first connector, the positioning
The other end in hole is provided on the third connector, it is possible to the fixed outstanding rotary swinging arm is realized by locating piece,
So that in the open state directly flicked door and window by torque spring, so that door and window automatically springs open door and window when opening,
So that the unlatching of door and window is more laborsaving.
Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification
It becomes apparent, or is understood and implementing the utility model embodiment.The purpose of this utility model and other advantages can
It is achieved and obtained by specifically noted structure in written specification, claims and attached drawing.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram with open-and-close mechanism on torque spring provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram with the leading block group in open-and-close mechanism on torque spring shown in FIG. 1；
Fig. 3 is a kind of structural schematic diagram with another visual angle of open-and-close mechanism on torque spring shown in FIG. 1；
Fig. 4 is a kind of top view with open-and-close mechanism on torque spring shown in FIG. 1；
Fig. 5 is a kind of structural schematic diagram with the guiding rotary swinging arm in open-and-close mechanism on torque spring shown in FIG. 1；
Fig. 6 be a kind of upper outstanding rotary swinging arm in open-and-close mechanism on torque spring provided by the embodiment of the utility model with
Structural schematic diagram when fixing piece is overlapped；
Fig. 7 be a kind of upper outstanding rotary swinging arm in open-and-close mechanism on torque spring provided by the embodiment of the utility model with
Structural schematic diagram when fixing piece separates.
Icon: open-and-close mechanism on 100- band torque spring；110- leading block group；120- is oriented to rotary swinging arm；130- is turned round
Power spring；140- fixing piece；Rotary swinging arm is hanged on 150-；Control slide assemblies are hanged on 160-；111- ontology；112- pulley blocks
Part；1121- first pulley；1122- second pulley；1123- third pulley；The 4th pulley of 1124-；1125- pulley sleeve；
The first connecting hole of 1111-；1112- spring hanging hole；1113- positioning adjusts bolt；1211- hanging hole；1212- fixation hole；143- is sliding
Road；The first connector of 151-；The second connector of 152-；153- third connector；154- location hole；161- locating piece.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 to 7 is please referred to, the present embodiment provides open-and-close mechanisms 100 on a kind of band torque spring comprising leading block group
110, rotary swinging arm 120, torque spring 130, fixing piece 140, upper outstanding rotary swinging arm 150 and upper outstanding control slide assemblies are oriented to
160, one end of the guiding rotary swinging arm 120 is connect by the torque spring 130 with the leading block group 110, described
The one end for being oriented to the other end and the upper outstanding rotary swinging arm 150 of rotary swinging arm 120 is hinged, the upper outstanding rotary swinging arm 150
The other end and the fixing piece 140 are hinged, and the upper outstanding control slide assemblies 160 are slidably arranged on the fixing piece 140.
In the present embodiment, the leading block group 110 is used for the preset slide assemblies being mounted on window frame, with reality
The existing leading block group 110 carries out reciprocal sliding on slide assemblies.
Wherein, the leading block group 110 includes ontology 111 and the pulley assembly 112 connecting with the ontology 111.
Optionally, the first connecting hole 1111 for connecting the guiding rotary swinging arm 120 is offered on the ontology 111
With the spring hanging hole 1112 for fixing the torque spring 130.
Optionally, the ontology 111 can be stainless steel or aluminium alloy is made, here, being not especially limited.
Optionally, it is additionally provided with positioning on the ontology 111 and adjusts bolt 1113.
Wherein, positioning adjusts bolt 1113 and is used to realize positioning in 100 moving process of open-and-close mechanism on band torque spring,
Specifically, when leading block group 110 is slided on slide assemblies, the positioning adjust bolt 1113 touch be pre-installed in door or
When the locator of person's window outline border, stop sliding, and be oriented to the rotation of rotary swinging arm 120, cooperates preassembled upper opening-closing machine
The closing and automatic opening of door and window may be implemented in structure.Wherein, automatic opening is because upper and lower open-and-close mechanism is equipped with torque spring
130, and torque spring 130 remains that open-and-close mechanism opens under elastic force.
Wherein it is possible to the length that bolt 1113 stretches out ontology 111 be adjusted by adjusting positioning, to realize different positioning.
For example, then ontology 111 is L at a distance from locator, if fixed when it is L that positioning, which adjusts bolt 1113 to stretch out the length of ontology 111,
When the length of the position adjusting stretching ontology 111 of bolt 1113 is l, then ontology 111 is l at a distance from locator.
Optionally, it is parallel with the fixing piece 140 to adjust bolt 1113 for the adjusting positioning.
Optionally, the pulley assembly 112 includes first pulley 1121, second pulley 1122, third pulley the 1123, the 4th
Pulley 1124 and pulley sleeve 1125；The pulley sleeve 1125 is connect side by side with the ontology 111, the first pulley 1121,
Two pulleys 1122, third pulley 1123, the 4th pulley 1124 are sequentially arranged in the pulley sleeve 1125.For example, first pulley
1121, second pulley 1122, third pulley 1123, the 4th pulley 1124 are in ' one ' word arrangement in the pulley sleeve 1125.
In actual use, the pulley assembly 112 is mounted on the preset slide assemblies on window frame, in slideway
It is slided on component, to drive ontology 111 to slide on slide assemblies.
Optionally, first pulley 1121, second pulley 1122, third pulley 1123, the size of the 4th pulley 1124 are identical.
Optionally, first pulley 1121, second pulley 1122, third pulley 1123, the interval between the 4th pulley 1124
It is equidistant.
Optionally, pulley sleeve 1125 is fixedly connected by modes such as screw or welding with ontology 111.
Optionally, pulley sleeve 1125 is detachably connected with ontology 111.
Optionally, be additionally provided on the guiding rotary swinging arm 120 hanging hole 1211 for fixing the torque spring 130 with
And fixation hole 1212, rivet is additionally provided on the guiding rotary swinging arm 120, and the rivet sequentially passes through 1212 He of fixation hole
The torque spring 130 is connect with first connecting hole 1111, and one end of the torque spring 130 is mounted on the hanging hole
On 1211, the other end of the torque spring 130 is mounted on the spring hanging hole 1112.
Optionally, the guiding rotary swinging arm 120 and the upper outstanding 150 junction camber of rotary swinging arm.
In the present embodiment, the torque spring 130 is used between leading block group 110 and guiding rotary swinging arm 120
Elastic force is formed, conducive to the manipulation of sash, it is convenient and laborsaving to operate.
In the present embodiment, upper 150 first connector 151 of outstanding rotary swinging arm, the second connector 152 and third connector
153, one end of first connector 151 and the guiding rotary swinging arm 120 hingedly, first connector 151 it is another
End and one end of second connector 152 tilt and connect, the other end of second connector 152 and the third connector
153 one end tilts connection, and the other end of the third connector 153 and the fixing piece 140 are hinged.
Optionally, first connector 151 is arranged in parallel with the third connector 153.
Optionally, the first connector 151, the second connector 152 and third connector 153 are integrally formed.
Optionally, location hole 154 is provided on the upper outstanding rotary swinging arm 150.One end of the location hole 154 is provided with
On first connector 151, the other end of the location hole 154 is provided on the third connector 153.The i.e. described positioning
The one end in hole 154 extends to the first connector 151, and the other end extends to third connector 153.
Optionally, the location hole 154 is rectangular through-hole.
Optionally, the location hole 154 is positioned close to the side of the guiding rotary swinging arm 120.
In the present embodiment, the upper outstanding rotary swinging arm 150 can be rotated to is overlapped with the fixing piece 140.
In the present embodiment, the upper outstanding control slide assemblies 160 are equipped with locating piece 161, and the locating piece 161 is used for
When the upper outstanding rotary swinging arm 150 is rotated to and is overlapped with the fixing piece 140, it is inserted into the location hole 154, to realize fixation
The upper outstanding rotary swinging arm 150.
Wherein, the upper outstanding control slide assemblies 160 are slidably arranged on the fixing piece 140.
In the present embodiment, the fixing piece 140 with open-and-close mechanism 100 on torque spring for that will be fixed.
In actual use, generally, the fixing piece 140 is fixed on the door of door and window or the lower frame of sash.
Optionally, the fixing piece 140 can be the materials such as stainless steel or aluminium alloy and be made.Here, being not especially limited.
Optionally, the fixing piece 140 is equipped with mounting hole and bearing hole.
Wherein, the mounting hole is passed through for the fixing piece 140 to be fixed, such as by screw either nail
The fixing piece 140 is fixed on the door of door and window or the upper ledge of sash by the mounting hole.
Wherein, the bearing hole is for connecting the guiding rotary swinging arm 120.
Optionally, slideway 143 is provided in the fixing piece 140, the upper outstanding control slide assemblies 160 are mounted on described
On slideway 143, for being slided on the fixing piece 140.
Working principle with open-and-close mechanism 100 on torque spring is: when on band torque spring open-and-close mechanism 100 towards fixation side
To when movement, installed in advance in door or window outline border if the positioning adjusting bolt 1113 being mounted on the ontology 111 touches
Locator when, guiding rotary swinging arm 120 rotates, and preassembled realizes door and window with open-and-close mechanism under torque spring to cooperate
It closes and automatically turns on.
In conclusion the utility model provides open-and-close mechanism 100 on a kind of band torque spring, opened and closed on the band torque spring
Mechanism 100 can be realized more labor-saving window, and open-and-close mechanism 100 includes leading block group 110, guiding on the band torque spring
Rotary swinging arm 120, upper outstanding rotary swinging arm 150, upper outstanding control slide assemblies 160, torque spring 130 and fixing piece 140, it is described to lead
It is connect to one end of rotary swinging arm 120 by the torque spring 130 with the leading block group 110, the guiding rotation pendulum
The other end of arm 120 and one end of the upper outstanding rotary swinging arm 150 are hinged, the other end of the upper outstanding rotary swinging arm 150 and institute
It is hinged to state fixing piece 140, the upper outstanding control slide assemblies 160 are slidably arranged on the fixing piece 140, the upper outstanding rotation
Location hole 154 is provided in swing arm 150, when the upper outstanding rotary swinging arm 150 is rotated to and is overlapped with the fixing piece 140, institute
The locating piece 161 stated on outstanding control slide assemblies 160 is inserted into the location hole 154；So can be realized by locating piece 161
The fixed outstanding rotary swinging arm 150, so that in the open state directly being flicked door and window by torque spring 130, and then makes
It obtains door and window and automatically springs open door and window when opening, so that the unlatching of door and window is more laborsaving.
It should be noted that the present embodiment also provides a kind of open-and-close mechanism, which there is the band of above-mentioned offer to turn round
Open-and-close mechanism 100 on power spring.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. open-and-close mechanism on a kind of band torque spring characterized by comprising leading block group, guiding rotary swinging arm, upper outstanding rotation
One end of switch arm, upper outstanding control slide assemblies, torque spring and fixing piece, the guiding rotary swinging arm passes through the torsion bullet
Spring is connect with the leading block group, and one end of the other end and the upper outstanding rotary swinging arm of the guiding rotary swinging arm is hinged,
The other end and the fixing piece of the upper outstanding rotary swinging arm are hinged, and the upper outstanding control slide assemblies are slidably arranged in described solid
Determine on part, be provided with location hole on the upper outstanding rotary swinging arm, is rotated to and the fixing piece weight in the upper outstanding rotary swinging arm
When conjunction, the locating piece on the upper outstanding control slide assemblies is inserted into the location hole；The upper outstanding rotary swinging arm includes the first company
Fitting, the second connector and third connector, one end of first connector and the guiding rotary swinging arm are hinged, and described
One end of the other end of a connection piece and second connector, which tilts, to be connected, the other end of second connector and described the
One end of three connectors tilts connection, and the other end and the fixing piece of the third connector are hinged, and the one of the location hole
End is provided on first connector, and the other end of the location hole is provided on the third connector.
2. open-and-close mechanism on band torque spring according to claim 1, which is characterized in that the leading block group includes this
Body and the pulley assembly connecting with the ontology, the pulley assembly include first pulley, second pulley, third pulley, the 4th
Pulley and pulley sleeve；The pulley sleeve is connect side by side with the ontology, the first pulley, the second pulley, the third
Pulley and the 4th pulley are sequentially arranged in the pulley sleeve；
It is offered on the ontology for connecting first connecting hole for being oriented to rotary swinging arm and for fixing the torsion bullet
The spring hanging hole of spring.
3. open-and-close mechanism on band torque spring according to claim 2, which is characterized in that on the guiding rotary swinging arm also
Equipped with the hanging hole and fixation hole for fixing the torque spring, rivet, the company are additionally provided on the guiding rotary swinging arm
Fitting sequentially passes through the fixation hole and the torque spring and connect with first connecting hole, one end peace of the torque spring
On the hanging hole, the other end of the torque spring is mounted on the spring hanging hole.
4. open-and-close mechanism on band torque spring according to claim 1, which is characterized in that the location hole is positioned close to
The side of the guiding rotary swinging arm.
5. open-and-close mechanism on band torque spring according to claim 2, which is characterized in that be additionally provided with positioning on the ontology
Adjust bolt.
6. open-and-close mechanism on band torque spring according to claim 1, which is characterized in that be provided with cunning in the fixing piece
Road, the upper outstanding control slide assemblies are mounted on the slideway, for sliding on the fixing piece.
7. open-and-close mechanism on band torque spring according to claim 1, which is characterized in that the guiding rotary swinging arm and institute
State outstanding rotary swinging arm junction camber.
8. open-and-close mechanism on band torque spring according to claim 1, which is characterized in that first connector, described
Second connector and the third connector are integrally formed.
9. open-and-close mechanism on band torque spring according to claim 2, which is characterized in that the first pulley, described
Spacing distance between two pulleys, the third pulley and the 4th pulley is equal.
10. a kind of open-and-close mechanism, which is characterized in that including being opened on band torque spring as described in any one of claims 1-9
Close mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397761.5U CN209212098U (en) | 2018-08-28 | 2018-08-28 | Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397761.5U CN209212098U (en) | 2018-08-28 | 2018-08-28 | Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212098U true CN209212098U (en) | 2019-08-06 |
Family
ID=67453337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821397761.5U Active CN209212098U (en) | 2018-08-28 | 2018-08-28 | Open-and-close mechanism and open-and-close mechanism on a kind of band torque spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750923A (en) * | 2019-03-15 | 2019-05-14 | 陕西晨恒工贸有限公司 | A kind of interior translation window twin-stage change rail assembly |
-
2018
- 2018-08-28 CN CN201821397761.5U patent/CN209212098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750923A (en) * | 2019-03-15 | 2019-05-14 | 陕西晨恒工贸有限公司 | A kind of interior translation window twin-stage change rail assembly |
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