CN111946178A - Hinge for door and window - Google Patents
Hinge for door and window Download PDFInfo
- Publication number
- CN111946178A CN111946178A CN202010771011.5A CN202010771011A CN111946178A CN 111946178 A CN111946178 A CN 111946178A CN 202010771011 A CN202010771011 A CN 202010771011A CN 111946178 A CN111946178 A CN 111946178A
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- CN
- China
- Prior art keywords
- connecting rod
- mounting seat
- hinge
- bracket
- sliding
- 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.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/32—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of two or more pivoted rods
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
Abstract
The invention discloses a hinge for door and window, comprising: the window frame comprises a first mounting seat connected with the window frame, a second mounting seat connected with the window sash, a first connecting rod and a second connecting rod, wherein the first mounting seat, the second mounting seat, the first connecting rod and the second connecting rod form a four-bar mechanism; a stable connecting rod is hinged on the first mounting seat, a sliding groove is formed in one end of the stable connecting rod and the other end of the stable connecting rod, and a sliding bulge matched with the sliding groove is formed in the side link rod with a longer hinging distance; when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be unfolded or folded relatively, the sliding protrusion slides in the sliding groove, so that the sliding protrusion drives the stabilizing connecting rod to swing based on the first mounting seat, so that the stabilizing connecting rod is unfolded or folded relatively to the first mounting seat, and a person with a longer hinge distance in the connecting rod has friction force in the relative movement process of the person and the stabilizing rod, so that when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be unfolded or folded relatively and have damping feeling.
Description
Technical Field
The invention relates to the field of hinges, in particular to a hinge for doors and windows.
Background
The hinge that uses on modern high-rise building's the window, mostly be many connecting rod slider hinge, make the window can carry out the switching operation steadily through many connecting rods, the cooperation has damped slider, increase the security that the window opened and shut on the one hand, on the other hand can increase the stability after the window was opened, current many connecting rod slider hinge, need set up rectangular shape slider groove on the hinge, but the easy debris of dust etc. that accumulate in slider groove, the hinge can appear the resistance increase after using for a period of time, the problem such as card pause, need regularly to clear up the maintenance, be unfavorable for long-term use, the invention is the research and development under this background.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a hinge for doors and windows.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a hinge for doors and windows, comprising: the window frame comprises a first mounting seat connected with the window frame, a second mounting seat connected with the window sash, a first connecting rod and a second connecting rod, wherein the first mounting seat, the second mounting seat, the first connecting rod and the second connecting rod form a four-bar mechanism; one end of each of the first connecting rod and the second connecting rod is hinged to the first mounting seat, and the other end of each of the first connecting rod and the second connecting rod is hinged to the second mounting seat, so that the first mounting seat forms a rack of the four-bar mechanism, the second mounting seat forms a connecting rod of the four-bar mechanism, and the first connecting rod and the second connecting rod form a connecting frame rod of the four-bar mechanism; a stable connecting rod is hinged on the first mounting seat, a sliding groove is formed in one end of the stable connecting rod, which is hinged with the first mounting seat, and the other end of the stable connecting rod is hinged with the first mounting seat, and a sliding protrusion matched with the sliding groove is arranged on the side with the longer hinging distance in the side link; when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be relatively unfolded or folded, the sliding protrusion slides in the sliding groove, so that the sliding protrusion drives the stabilizing connecting rod to swing based on the first mounting seat, the stabilizing connecting rod is unfolded or folded relative to the first mounting seat, and a person with a longer hinge distance in the connecting rod and the stabilizing rod have friction force in the relative movement process, so that when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be oppositely unfolded or folded with a damping feeling.
Preferably, the four-bar linkage composed of the first mounting seat, the second mounting seat, the first connecting rod and the second connecting rod is a double-rocker mechanism.
Preferably, the sliding protrusion comprises a first cylindrical boss, and the diameter of the first cylindrical boss is matched with the width of the sliding groove.
Preferably, a counter bore groove is further formed in the back face of the stabilizer bar corresponding to the position of the sliding groove, a second cylindrical boss is arranged at one end, away from the stabilizer bar, of the first cylindrical boss, and the diameter of the second cylindrical boss is larger than that of the first cylindrical boss and smaller than the width of the counter bore groove.
Preferably, the first cylindrical bosses with different heights are adapted to change an interaction force generated by the abutting connection between the second cylindrical boss and the counter bore groove, so that the mutual movement between the first connecting rod and the second connecting rod reaches a preset friction force, and the second mounting seat and the first mounting seat are unfolded or folded according to a preset damping feeling.
Preferably, the first mounting seat is provided with one or more clamps capable of fixing the first mounting seat on the target mounting object, and each clamp comprises a rotatable clamping screw and a clamping claw which is connected with a rotating shaft of the clamping screw and can rotate synchronously.
And one end of the second mounting seat, which is close to the shorter side link in the four-bar linkage mechanism, is provided with a vertex angle sheet, and the first mounting seat is provided with a gear part matched with the vertex angle sheet.
Preferably, the vertex angle piece rigid coupling in the second mount pad on, the second mount pad support in the vertex angle piece upper surface, vertex angle piece downside support in the last side of second connecting rod, the second connecting rod articulate in the joint portion of vertex angle piece and second mount pad on, the width of vertex angle piece is greater than the width of second mount pad is less than the length of second connecting rod.
Preferably, a first rotating bracket is arranged between the first mounting seat and the second connecting rod, and a second rotating bracket is arranged between the second mounting seat and the second connecting rod.
Preferably, the first rotating bracket is provided with a first bracket flanging facing the second connecting rod, a first bracket fixing groove is formed by the first bracket flanging and the first rotating bracket, the first bracket fixing groove is matched with the appearance of the second connecting rod, the first rotating bracket is further provided with a first bracket bulge, and the second connecting rod is provided with a first bulge clamping portion matched with the first bracket bulge.
The invention has the beneficial effects that the hinge for doors and windows comprises: the window frame comprises a first mounting seat connected with the window frame, a second mounting seat connected with the window sash, a first connecting rod and a second connecting rod, wherein the first mounting seat, the second mounting seat, the first connecting rod and the second connecting rod form a four-bar mechanism; one end of each of the first connecting rod and the second connecting rod is hinged to the first mounting seat, and the other end of each of the first connecting rod and the second connecting rod is hinged to the second mounting seat, so that the first mounting seat forms a rack of the four-bar mechanism, the second mounting seat forms a connecting rod of the four-bar mechanism, and the first connecting rod and the second connecting rod form a connecting frame rod of the four-bar mechanism; a stable connecting rod is hinged on the first mounting seat, a sliding groove is formed in one end of the stable connecting rod, which is hinged with the first mounting seat, and the other end of the stable connecting rod is hinged with the first mounting seat, and a sliding protrusion matched with the sliding groove is arranged on the side with the longer hinging distance in the side link; when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be relatively unfolded or folded, the sliding protrusion slides in the sliding groove, so that the sliding protrusion drives the stabilizing connecting rod to swing based on the first mounting seat, the stabilizing connecting rod is unfolded or folded relative to the first mounting seat, and a person with a longer hinge distance in the connecting rod and the stabilizing rod have friction force in the relative movement process, so that when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be oppositely unfolded or folded with a damping feeling. The hinge for doors and windows reduces the structures of the sliding block and the sliding groove, so that the service life of the hinge is longer, the failure rate is reduced, and meanwhile, the stabilizer bar structure is added, so that the hinge is more stable in the unfolding process and after unfolding, and the hinge for doors and windows has the advantages of simple structure and reliable and stable mechanical performance.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic installation diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view 1 after the whole structure of embodiment 1 of the present invention is opened.
Fig. 3 is a schematic view 2 after the whole structure of embodiment 1 of the present invention is opened.
Fig. 4 is a schematic view of embodiment 1 of the present invention after folding the overall structure.
Fig. 5 is a cross-sectional view of the embodiment 1 of the present invention after folding.
Fig. 6 is an exploded view of the entire structure of example 1 of the present invention.
Fig. 7 is a schematic top view of the whole structure of embodiment 1 of the present invention after being opened.
Fig. 8 is a schematic top view after folding of the overall structure of embodiment 1 of the present invention.
Description of the reference numerals
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Example 1
Referring to fig. 1 to 8, a hinge for doors and windows includes:
a first mounting seat 1 connected with a window frame 10, a second mounting seat 2 connected with a window sash 11, a first connecting rod 3 and a second connecting rod 4, wherein the four components form a four-bar mechanism;
one end of each of the first connecting rod 3 and the second connecting rod 4 is hinged to the first mounting seat 1, and the other end of each of the first connecting rod 3 and the second connecting rod 4 is hinged to the second mounting seat 2, so that the first mounting seat 1 forms a frame of the four-bar mechanism, the second mounting seat 2 forms a connecting rod of the four-bar mechanism, and the first connecting rod 3 and the second connecting rod 4 form a connecting rod of the four-bar mechanism;
a stable connecting rod 5 is hinged on the first mounting seat 1, a sliding groove 502 is arranged at one end of the stable connecting rod 5, which is hinged with the first mounting seat 1, and the other end of the stable connecting rod is provided with a sliding protrusion matched with the sliding groove 502;
the motion rule of the hinge accords with a double-rocker mechanism in a four-bar linkage system, so that the hinge operates according to the motion rule of the double-rocker mechanism, when the four-bar linkage moves, the second mounting seat 2 and the first mounting seat 1 can be oppositely unfolded or folded, the sliding protrusion slides in the sliding groove 502, so that the sliding protrusion drives the stabilizing connecting rod 5 to swing based on the first mounting seat 1, so as to realize the unfolding or folding of the stabilizing connecting rod 5 relative to the first mounting seat 1, and a person with a longer hinge distance in the side link and the stabilizing rod 5 have friction force in the relative movement process, so that when the four-bar linkage moves, the second mounting seat 2 and the first mounting seat 1 can be oppositely unfolded or folded with a damping sense.
In this embodiment, the sliding protrusion includes a first cylindrical boss 12, the diameter of the first cylindrical boss 12 matches the width of the sliding slot 502, a counter bore slot 501 is further provided at a position corresponding to the position of the sliding slot 502 on the back surface of the stabilizer bar, a second cylindrical boss 13 is provided at an end of the first cylindrical boss 12 away from the stabilizer bar, the diameter of the second cylindrical boss 13 is larger than that of the first cylindrical boss 12 and smaller than that of the counter bore slot 501, as an example, the sliding protrusion is provided with a threaded inner hole to be detachably connected with the first connecting rod through a screw, a damping plate 7 capable of increasing the sliding resistance of the stabilizing connecting rod 5 is installed between the stabilizing connecting rod 5 and the first connecting rod 3, the damping between the stabilizing rod and the first connecting rod 3 can be adjusted by tightening the screw for fixing the sliding protrusion, the sliding protrusion with the above structure can reduce the difficulty of hinge assembly when parts are used, only need a screw to be connected the arch that slides with head rod 3 to realize that head rod 3 orders about the stabilizer bar swing, set up second cylinder boss 13 simultaneously and hide in the counter bore 501 at the head rod 3 back, can not increase the direction of height space that both occupy when realizing head rod 3 and stabilizer bar Z to being connected, be favorable to with the whole thickness attenuate of this kind of hinge for door and window, make this kind of hinge for door and window more pleasing to the eye.
In this embodiment, the first cylindrical bosses 12 with different heights are adapted to change an interaction force generated by the abutment between the second cylindrical boss 13 and the counter bore 501, so that the mutual motion between the first link and the second link reaches a preset friction force, and the second mount and the first mount are unfolded or folded according to a preset damping feeling.
In this embodiment, a damping plate 7 is also disposed between the stabilizer bar and the first mounting base 1, the stabilizer bar and the first mounting base 1 are pivotally connected through a first connecting shaft with an internal threaded hole, the first connecting shaft is fixed to the first mounting base 1 through a screw, and accordingly, the damping of the swing between the stabilizer bar and the first mounting base 1 can be adjusted by adjusting the screw locking degree.
In this embodiment, the first mounting base 1 is provided with one or more clamping devices 9 capable of fixing the first mounting base 1 to a target mounting object, and the clamping device 9 includes a rotatable clamping screw 901 and a clamping claw 902 connected to a rotation shaft of the clamping screw 901 and capable of rotating synchronously.
One end that is close to among the four-bar linkage mechanism shorter side link on the second mount pad 2 is equipped with apex angle piece 6, be equipped with on the first mount pad 1 with apex angle piece 6 complex gear portion 101, the shelves position is for letting apex angle piece 6 insert and fixed angle wrapping piece, apex angle piece 6 rigid connection is on second mount pad 2, second connecting rod 4 articulates on the joint portion of apex angle piece 6 and second mount pad 2, second mount pad 2 supports in apex angle piece 6 upper flank, apex angle piece 6 downside supports in the last side of second connecting rod 4, second connecting rod 4 articulates on the joint portion of apex angle piece 6 and second mount pad 2, the width of apex angle piece 6 is greater than the width of second mount pad 2, be less than the length of second connecting rod 4. Through the rigid connection of apex angle piece 6 and second mount pad 2, the tip rigidity of second mount pad 2 has been strengthened, make the joint strength of second connecting rod 4 and 2 pin joints of second mount pad promote, because of the pin joint rigidity of second mount pad 2 promotes, can promote the rigidity with second connecting rod 4 through methods such as thickening, shortening length in order to match, increase the bearing capacity of hinge, apex angle piece 6 can increase the area of contact of pin joint simultaneously, improve the stability of hinge. In this embodiment, because the top corner piece 6 is provided, the force arm between the hinge point of the window sash 11 connected to the first mounting seat 1 and the second connecting rod 4 is reduced, so that the load of the hinge point is reduced, and the bearing capacity of the hinge is increased.
The first mounting seat 1 is distributed with a plurality of mounting holes 103 which are recessed from the non-mounting surface of the first mounting seat 1 to the mounting surface, and the top of the fixing screw can not expose the non-mounting surface of the first mounting seat 11 after the hinge mounting by matching with a proper screw.
During installation, the second installation seat 2 is positioned on the window sash 11 through the limiting sheet 201, the limiting pressing sheet 203 and the limiting fixing screw 202, the hinge is fixed on the window sash 11 through the fixing screw, then the first installation seat 11 is positioned on the window frame 10 through the positioning sheet 102, the clamping claw 902 is rotated through the clamping screw 901 of the rotating clamp holder 9, the clamping claw of the clamping claw is tightly clamped on the window frame 10, initial fixation of the hinge is achieved, and after the position of the window sash 11 is adjusted, the hinge is tightly fixed on the window frame 10 through the installation hole 103 on the first installation seat 1 through the screw.
After the window sash is stably installed, the window sash 11 is pushed by hand to enable the hinge to perform unfolding action, wherein the first connecting rod 3 and the second connecting rod 4 rotate around the first installation seat 1 and move according to the movement rule of the double-rocker mechanism, when the window sash 11 is opened to a certain angle, the top corner piece 6 is separated from the corner wrapping piece, the window sash 11 can be separated from the window frame 10 to complete the window opening action, in the process, one end of the stabilizing connecting rod 5 rotates under the driving of the sliding protrusion, and the damping piece 7 between the stabilizing connecting rod 5 and the first installation seat 1 enables the friction resistance to be increased in the window opening process, so that the stabilizing effect is achieved.
When the window sash 11 is pulled, the hinge is folded, when the window sash 11 is closed to a certain angle, the vertex angle piece 6 is gradually inserted into the corner wrapping piece to play a positioning role, after the window is completely closed, the vertex angle piece 6 is fixed in the corner wrapping piece, and the hinge is folded and hidden between the window frame 10 and the window sash 11.
In this embodiment, a first rotating bracket 1401 is disposed between the first mounting seat 1 and the second connecting rod 4, a second rotating bracket 15 is disposed between the second mounting seat 2 and the second connecting rod 4, the first rotating bracket 1401 is provided with a first bracket flange facing the second connecting rod 4, the first bracket flange and the first rotating bracket 1401 form a first bracket fixing groove, the first bracket fixing groove matches with the second connecting rod 1401 in shape, the first rotating bracket is further provided with a first bracket protrusion 1402, and the second connecting rod 4 is provided with a first protrusion clamping portion 401 matching with the first bracket protrusion 1402; for example, the first rotating bracket 1401 and the second rotating bracket 15 are made of copper alloy; the purpose of providing the first rotating bracket 1401 and the second rotating bracket 15 is to reduce the noise generated by the friction between the first mounting seat 1 and the second connecting rod 4, the friction between the second mounting seat 2 and the second connecting rod 4, and the friction between the two sets of contacts, thereby further improving the user experience of the hinge for doors and windows.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (10)
1. A hinge for doors and windows, comprising:
the window frame comprises a first mounting seat connected with the window frame, a second mounting seat connected with the window sash, a first connecting rod and a second connecting rod, wherein the first mounting seat, the second mounting seat, the first connecting rod and the second connecting rod form a four-bar mechanism;
one end of each of the first connecting rod and the second connecting rod is hinged to the first mounting seat, and the other end of each of the first connecting rod and the second connecting rod is hinged to the second mounting seat, so that the first mounting seat forms a rack of the four-bar mechanism, the second mounting seat forms a connecting rod of the four-bar mechanism, and the first connecting rod and the second connecting rod form a connecting frame rod of the four-bar mechanism;
a stable connecting rod is hinged on the first mounting seat, a sliding groove is formed in one end of the stable connecting rod, which is hinged with the first mounting seat, and the other end of the stable connecting rod is hinged with the first mounting seat, and a sliding protrusion matched with the sliding groove is arranged on the side with the longer hinging distance in the side link;
when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be relatively unfolded or folded, the sliding protrusion slides in the sliding groove, so that the sliding protrusion drives the stabilizing connecting rod to swing based on the first mounting seat, the stabilizing connecting rod is unfolded or folded relative to the first mounting seat, and a person with a longer hinge distance in the connecting rod and the stabilizing rod have friction force in the relative movement process, so that when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be oppositely unfolded or folded with a damping feeling.
2. A hinge for doors and windows according to claim 1 wherein said four bar linkage consisting of said first mount, said second mount, said first connecting rod and said second connecting rod is a double rocker mechanism.
3. A hinge as claimed in claim 1, wherein the sliding projection comprises a first cylindrical boss having a diameter matching the width of the sliding slot.
4. A hinge for door and window according to claim 3, wherein a counter-bore groove is further formed on the back surface of the stabilizer bar at a position corresponding to the position of the counter-bore groove, a second cylindrical boss is provided on an end of the first cylindrical boss remote from the stabilizer bar, and the diameter of the second cylindrical boss is larger than that of the first cylindrical boss and smaller than the width of the counter-bore groove.
5. A hinge for doors and windows according to claim 4, characterized in that the mutual acting force generated by the abutment between the second cylindrical boss and the counter bored groove can be changed by adapting the first cylindrical bosses with different heights, so that the mutual movement between the first connecting rod and the second connecting rod reaches a preset friction force, and the second mounting seat and the first mounting seat can be unfolded or folded with a preset damping feeling.
6. A hinge for doors and windows according to claim 1 or 2, wherein said first mounting block is provided with one or more clamps for fixing said first mounting block to a target mounting object, said clamps comprising a rotatable clamping screw and a clamping jaw coupled to a rotation shaft of said clamping screw and capable of rotating synchronously.
7. A hinge for door and window as claimed in claim 1 or 2, wherein said second mounting seat has a vertex angle piece at one end close to the shorter side link of said four-bar linkage, and said first mounting seat has a stopper portion engaged with said vertex angle piece.
8. A hinge for doors and windows according to claim 7, wherein said vertex angle piece is rigidly connected to said second mounting seat, said second mounting seat is supported on the upper side of said vertex angle piece, the lower side of said vertex angle piece is supported on the upper side of said second connecting rod, said second connecting rod is hinged to the joint of said vertex angle piece and said second mounting seat, the width of said vertex angle piece is greater than the width of said second mounting seat and less than the length of said second connecting rod.
9. A hinge for doors and windows according to claim 1 or 2, wherein a first pivoting bracket is provided between said first mounting seat and said second connecting rod, and a second pivoting bracket is provided between said second mounting seat and said second connecting rod.
10. A hinge for doors and windows according to claim 9, wherein the first rotary bracket is provided with a first bracket flange facing the second connecting rod, the first bracket flange and the first rotary bracket constitute a first bracket fixing groove, the first bracket fixing groove matches with the outer shape of the second connecting rod, the first rotary bracket is further provided with a first bracket projection, and the second connecting rod is provided with a first projection engaging portion matching with the first bracket projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771011.5A CN111946178A (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771011.5A CN111946178A (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111946178A true CN111946178A (en) | 2020-11-17 |
Family
ID=73339275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010771011.5A Pending CN111946178A (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111946178A (en) |
-
2020
- 2020-08-04 CN CN202010771011.5A patent/CN111946178A/en active Pending
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Address after: Area a and 6 / F, 1st floor, No.6 Xinggong 2nd Road, Hongxing community, Yutang street, Guangming District, Shenzhen, Guangdong Province Applicant after: Shenzhen Haobo Window Control Technology Co.,Ltd. Address before: 518000 area a, 6 / F, 1 / F, 6 Xinggong 2nd Road, Hongxing community, Gongming office, Guangming District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN HOPO WINDOW CONTROL TECHNOLOGY Co.,Ltd. |