CN213015880U - Hinge for door and window - Google Patents
Hinge for door and window Download PDFInfo
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- CN213015880U CN213015880U CN202021600852.1U CN202021600852U CN213015880U CN 213015880 U CN213015880 U CN 213015880U CN 202021600852 U CN202021600852 U CN 202021600852U CN 213015880 U CN213015880 U CN 213015880U
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Abstract
The utility model discloses a hinge for door and window, include: 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 long hinge distance in the connecting rod has friction force in the relative movement process of the stabilizing connecting 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 a damping feeling.
Description
Technical Field
The utility model relates to a hinge field especially relates to a hinge for door and window.
Background
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 switch 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 is opened, current many connecting rod slider hinge, need set up the take-up housing groove of rectangular shape on the hinge, but the easy debris of long-pending dust etc. in take-up housing groove, the resistance increase can appear in the hinge after using a period, the card pause scheduling problem, need regularly clear up the maintenance, be unfavorable for long-term the use, the utility model discloses just be the research and development under this background.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned not enough of prior art, provide a hinge for door and window.
For solving the technical problem, the utility model discloses the technical scheme who adopts 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 linkage 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 has friction force with the stabilizing connecting rod in the relative movement process, so that when the four-bar linkage 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, the back of the stabilizing connecting rod is provided with a counter bore groove corresponding to the position of the sliding groove, one end of the first cylindrical boss, which is far away from the stabilizing connecting rod, is provided with a second 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 second cylindrical boss and the counter bore groove in a butting manner, 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 also 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 beneficial effects of the utility model are that, a hinge for door and window is provided, include: 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 linkage 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 has friction force with the stabilizing connecting rod in the relative movement process, so that when the four-bar linkage 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 stable connecting rod 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 present invention will be further described with reference to the accompanying drawings.
Fig. 1 is an installation schematic 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 the embodiment 1 of the present invention after the whole structure is folded.
Fig. 5 is a schematic cross-sectional view of the embodiment 1 of the present invention after folding.
Fig. 6 is an explosion diagram of the whole structure of embodiment 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 view of the embodiment 1 of the present invention after being folded.
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 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 exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 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 runs 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 unfolded or folded relatively, 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 connecting rod 5 have friction force in the relative motion process, so that when the four-bar linkage moves, the second mounting seat 2 and the first mounting seat 1 can be unfolded or folded relatively and with a damping feeling.
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 disposed at a position corresponding to the position of the sliding slot 502 on the back of the stable connecting rod, a second cylindrical boss 13 is disposed at one end of the first cylindrical boss 12 away from the stable connecting rod, 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 stable connecting rod 5 is installed between the stable connecting rod 5 and the first connecting rod 3, the damping between the stable connecting 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 under the condition of using parts, only need a screw to be connected the arch that slides with head rod 3 to realize that head rod 3 orders about the swing of stabilizing the connecting rod, set up the 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 stabilizing connecting rod Z to being connected, be favorable to the whole thickness attenuate with 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 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 sense.
In this embodiment, also be equipped with damping fin 7 between stabilizing connecting rod and the first mount pad 1, stabilize the first connecting axle pin joint through having the internal thread hole between connecting rod and the first mount pad 1, first connecting axle passes through the screw and is fixed with first mount pad 1, and the wobbling damping between stabilizing connecting rod and the first mount pad 1 can be adjusted to corresponding adjustment 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 top corner piece 6 is gradually inserted into the corner wrapping piece to play a positioning role, after the window is completely closed, the top corner 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 terms "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 it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
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 linkage 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 has friction force with the stabilizing connecting rod in the relative movement process, so that when the four-bar linkage 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 at a position corresponding to the sliding groove on the back surface of the stabilizing connecting rod, a second cylindrical boss is arranged at one end of the first cylindrical boss far away from the stabilizing connecting rod, 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 according to 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 said first rotary bracket is provided with a first bracket flange facing said second connecting rod, said first bracket flange and said first rotary bracket constituting a first bracket fixing groove, said first bracket fixing groove matching with an outer shape of said second connecting rod, said first rotary bracket further being provided with a first bracket projection, said second connecting rod being provided with a first projection engaging portion matching with said first bracket projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600852.1U CN213015880U (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600852.1U CN213015880U (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
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| Publication Number | Publication Date |
|---|---|
| CN213015880U true CN213015880U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021600852.1U Active CN213015880U (en) | 2020-08-04 | 2020-08-04 | Hinge for door and window |
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| CN (1) | CN213015880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946178A (en) * | 2020-08-04 | 2020-11-17 | 深圳好博窗控技术有限公司 | Hinge for door and window |
| CN115054477A (en) * | 2022-05-07 | 2022-09-16 | 浙江豪中豪健康产品有限公司 | Four-connecting-rod damping groove handrail opening and closing mechanism with lock catch |
-
2020
- 2020-08-04 CN CN202021600852.1U patent/CN213015880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946178A (en) * | 2020-08-04 | 2020-11-17 | 深圳好博窗控技术有限公司 | Hinge for door and window |
| CN115054477A (en) * | 2022-05-07 | 2022-09-16 | 浙江豪中豪健康产品有限公司 | Four-connecting-rod damping groove handrail opening and closing mechanism with lock catch |
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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 Patentee 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 Patentee before: SHENZHEN HOPO WINDOW CONTROL TECHNOLOGY Co.,Ltd. |
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