CN211573059U - Three-dimensional adjustable fire-resistant hinge - Google Patents
Three-dimensional adjustable fire-resistant hinge Download PDFInfo
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- CN211573059U CN211573059U CN201921982072.5U CN201921982072U CN211573059U CN 211573059 U CN211573059 U CN 211573059U CN 201921982072 U CN201921982072 U CN 201921982072U CN 211573059 U CN211573059 U CN 211573059U
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Abstract
The utility model discloses a three-dimensional adjustable fire-resistant hinge, which comprises a bottom plate, a short supporting piece, a long supporting piece and a connecting piece, wherein one end of the short supporting piece is riveted with the bottom plate, the other end of the short supporting piece is riveted with one end of the connecting piece, the middle part of the connecting piece is riveted with one end of the long supporting piece, the other end of the long supporting piece is riveted with one end of the bottom plate, a front-back adjusting mechanism and a left-right adjusting mechanism are arranged on the bottom plate, and an upper-lower adjusting mechanism is arranged between the short supporting; the front and back adjusting mechanism comprises a first eccentric rivet; the left-right adjusting mechanism comprises a second eccentric rivet and a fixing piece; the up-down adjusting mechanism comprises an adjusting seat, a cylindrical bolt and an inner hexagonal adjusting screw. The front and back sealing performance of the door and window sash can be adjusted through the first eccentric rivet; the left and right lap joint amount of the window sash can be adjusted through the second eccentric rivet; the upper and lower lap joint amount of the window sash can be adjusted through the inner hexagonal adjusting screw. Through the three-dimensional adjustment of the hinge mounting position, the mounting precision and the reliability of the door and window sash can be effectively improved, and the sealing performance of the door and window sash is ensured.
Description
Technical Field
The utility model relates to a door and window hinge specifically is a three-dimensional adjustable fire-resistant hinge.
Background
Like a common door and window hinge, a fire-resistant hinge generally comprises a bottom plate, a short supporting piece, a long supporting piece and a connecting piece, wherein after installation, the bottom plate is fixedly installed on a door and window frame section, and the connecting piece is fixedly installed on a door and window sash section.
At present, most of door and window fireproof hinges on the market do not have a three-dimensional adjusting function, and can only realize one-dimensional adjustment of the installation position of the hinge, such as front and back adjustment, so that the high-sealing, high-precision and high-reliability installation requirements of doors and windows are difficult to meet.
Disclosure of Invention
The utility model aims to solve the technical problem that, to prior art not enough, provide an adjustable fire-resistant hinge of three-dimensional, this fire-resistant hinge can realize around hinge mounting position, control, three-dimensional regulation from top to bottom, effectively improves the installation accuracy and the reliability of door and window fan, ensures the leakproofness of door and window fan.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a three-dimensional adjustable fireproof hinge comprises a bottom plate, a short supporting piece, a long supporting piece and a connecting piece, wherein one end of the short supporting piece is riveted with the bottom plate, the other end of the short supporting piece is riveted with one end of the connecting piece, the middle of the connecting piece is riveted with one end of the long supporting piece, the other end of the long supporting piece is riveted with one end of the bottom plate, a front-back adjusting mechanism and a left-right adjusting mechanism are arranged on the bottom plate, and an up-down adjusting mechanism is arranged between the short supporting piece and the connecting piece; the front-back adjusting mechanism comprises a first eccentric rivet, and the other end of the long supporting sheet is riveted with one end of the bottom plate through the first eccentric rivet; the left-right adjusting mechanism comprises a second eccentric rivet and a fixing piece, the fixing piece comprises a vertical plate and a transverse plate which are arranged at a right angle, the transverse plate is installed on the lower side of the other end of the bottom plate, a first riveting hole and a first waist-shaped hole are formed in the transverse plate, a second riveting hole and a second waist-shaped hole are formed in the bottom plate, the second eccentric rivet sequentially penetrates through the second waist-shaped hole and the first riveting hole to connect the fixing piece with the bottom plate, and the first connecting rivet sequentially penetrates through the first waist-shaped hole and the second riveting hole to connect the fixing piece with the bottom plate; the upper and lower adjusting mechanism comprises an adjusting seat, a cylindrical bolt and an inner hexagonal adjusting screw, wherein a through hole which is communicated from top to bottom is formed in the adjusting seat, the upper part of the cylindrical bolt penetrates through one end of the connecting piece and extends into the lower part of the through hole, the lower part of the cylindrical bolt is riveted with the short supporting piece, the inner hexagonal adjusting screw is in threaded connection with the through hole, and the bottom end of the inner hexagonal adjusting screw is tightly pressed on the upper end of the cylindrical bolt.
The utility model discloses three-dimensional adjustable fire-resistant hinge includes front and back adjustment mechanism, left and right adjustment mechanism and upper and lower adjustment mechanism, and during the regulation, the first eccentric rivet of rotatory regulation can realize the front and back regulation of hinge mounted position to adjust the front and back leakproofness of door and window fan; the left and right adjustment of the installation position of the hinge can be realized by rotating and adjusting the second eccentric rivet, so that the left and right lap joint amount of the window sash is adjusted, the second eccentric rivet pushes the bottom plate to move left and right during adjustment, and the left and right movement of the bottom plate is guided by the matching of the first connecting screw and the first waist-shaped hole, so that the window sash is safe and reliable; the upper and lower adjustment of the hinge mounting position can be realized by rotating and adjusting the inner hexagonal adjusting screw, so that the upper and lower lap joint amount of the window sash is adjusted. Through the front-back, left-right and up-down three-dimensional adjustment of the hinge mounting position, the mounting precision and reliability of the door and window sash can be effectively improved, and the sealing performance of the door and window sash is ensured.
Preferably, the cylindrical bolt comprises a wide-diameter end and a narrow-diameter end which are coaxially arranged up and down, the wide-diameter end penetrates through one end of the connecting piece and extends into the lower part of the through hole, and the narrow-diameter end is riveted with the short support piece. The cylindrical bolt is designed into a wide-diameter end and a narrow-diameter end, so that the opening area of the short support piece can be reduced on the premise of ensuring the adjusting effect of the inner hexagonal adjusting screw, and the overall strength and the bearing performance of the short support piece are ensured to the maximum extent.
Furthermore, a gasket is sleeved on the outer side of the narrow-diameter end, and the gasket is clamped between the connecting sheet and the short supporting sheet. The installation height of the connecting piece can be correspondingly adjusted by selecting the gasket with corresponding thickness, so that the adjustment range of the upper and lower lap joint amount of the window sash is further increased.
Preferably, the adjusting seat comprises a cylindrical part and a flat plate which are integrally arranged, the through hole is formed in the cylindrical part, the flat plate is connected to one side of the cylindrical part, the shape and the size of the cross section of the flat plate are matched with those of a C-shaped notch on the side vertical surface of a door sash profile, a plurality of threaded holes are formed in the flat plate, each threaded hole traverses the thickness direction of the flat plate, and a first inner hexagonal jacking screw is connected to each threaded hole in a threaded manner. After the door and window sash profile is installed, the flat plate is inserted into the C-shaped groove in the side vertical surface of the door and window sash profile, and the first inner hexagonal jacking screws tightly jack the bottom wall of the C-shaped groove in the side vertical surface of the door and window sash profile. The design of the flat plate is convenient for assembly, and can improve the lap-jointed firmness of the door and window sash.
Furthermore, the width of the connecting piece is matched with that of a C-shaped notch on the bottom surface of the door and window sash sectional material, a lower concave part is formed in the middle of the connecting piece, and a second connecting rivet penetrates through one end of the long supporting piece and the lower concave part successively to connect the long supporting piece and the lower concave part. The design of the lower concave part enables the connecting sheet to have a stepped structure, after the connecting sheet is installed, the connecting sheet is inserted into the C-shaped notch in the bottom surface of the door and window sash profile, the bottom surface of the lower concave part is in contact with two side edges of the C-shaped notch in the bottom surface of the door and window sash profile, the bearing force of the door and window sash profile on the hinge is ensured, the connecting sheet is installed in the C-shaped notch in the bottom surface of the door and window sash profile more firmly and reliably, and the installation precision.
Further, the other end of connection piece seted up screw mounting hole and top tight screw mounting hole, the screw mounting hole be used for installing first screw, first screw be used for connecting connection piece and door and window fan section bar bottom surface, the tight screw mounting hole in top be used for installing the tight screw in second hexagon socket head cap top, the tight screw in second hexagon socket head cap top be used for the diapire of the C type notch in the tight door and window fan section bar bottom surface in top. The first screw can make the connecting piece more firmly installed in the C-shaped notch on the bottom surface of the door and window sash section bar. The first screw is matched with the second inner hexagonal jacking screw, so that a double-safety effect is achieved on the installation of the door and window sash, and the safety and reliability of the installation of the door and window sash can be further improved.
Preferably, the width of the vertical plate is matched with the width of the C-shaped notch of the side vertical surface of the door and window frame profile, a first locking piece is installed on the vertical plate, and the first locking piece is used for fixing the vertical plate in the C-shaped notch of the side vertical surface of the door and window frame profile. After the installation, the vertical plate is inserted in the C-shaped notch at the bottom of the side vertical surface of the door and window frame profile and is locked and fixed through the first locking piece, the operation is simple, and the fixing effect is good.
Furthermore, the diaphragm on seted up the breach, the one end of breach reach the riser with the junction of diaphragm, one side an organic whole formula of sinking of bottom plate be connected with the locating piece, the locating piece insert establish and the bound be located the breach in. The notch can play a role similar to lever support on the bottom plate, and can prevent the bottom plate from warping and deforming caused by the drooping of the door and window sash under the condition that the door and window sash is opened.
Furthermore, a stop block is fixed on the fixing piece and is positioned right above one end of the notch. The stopper can guarantee the upper and lower spacing effect to the locating piece, avoids the deformation of long-term back mounting of using and the bottom plate that leads to from this to rise to stick up the problem.
Preferably, one end of the short support sheet is riveted with the bottom plate through a bearing rivet, two third waist-shaped holes are formed in the bottom plate and are respectively arranged on two sides of the bearing rivet, the two third waist-shaped holes are used for mounting two second screws, and the two second screws are used for connecting the bottom plate and the bottom surface of the door and window frame profile; the bottom plate on seted up rectangular hole, rectangular downthehole formula of sinking install the second stay, the bottom plate keep away from one side an organic whole formula of sinking of diaphragm be connected with the narrow wide end, the width of narrow wide end and the width looks adaptation of the C type notch in door and window frame section bar bottom surface, the narrow wide end on install the third stay, the second stay with the third stay be used for with the bottom plate fix in door and window frame section bar bottom surface. The design of the third waist-shaped holes is convenient for determining the optimal position of the second screw during the installation of the hinge, and meanwhile, the two third waist-shaped holes are respectively designed on the two sides of the bearing rivet, so that the firmness of the installation of the bottom plate on the bottom surface of the door and window frame section bar can be effectively improved, and the bearing performance of the hinge is effectively improved.
Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses three-dimensional adjustable fire-resistant hinge includes front and back adjustment mechanism, left and right adjustment mechanism and upper and lower adjustment mechanism, and during the regulation, the first eccentric rivet of rotatory regulation can realize the front and back regulation of hinge mounted position to adjust the front and back leakproofness of door and window fan; the left and right adjustment of the installation position of the hinge can be realized by rotating and adjusting the second eccentric rivet, so that the left and right lap joint amount of the window sash is adjusted, the second eccentric rivet pushes the bottom plate to move left and right during adjustment, and the left and right movement of the bottom plate is guided by the matching of the first connecting screw and the first waist-shaped hole, so that the window sash is safe and reliable; the upper and lower adjustment of the hinge mounting position can be realized by rotating and adjusting the inner hexagonal adjusting screw, so that the upper and lower lap joint amount of the window sash is adjusted. Through the front-back, left-right and up-down three-dimensional adjustment of the hinge mounting position, the mounting precision and reliability of the door and window sash can be effectively improved, and the sealing performance of the door and window sash is ensured.
Drawings
FIG. 1 is an open view of an embodiment of a three-dimensional adjustable refractory hinge;
FIG. 2 is an exploded view of an embodiment of a three-dimensional adjustable refractory hinge;
FIG. 3 is an effect diagram of the three-dimensional adjustable fire-resistant hinge after installation in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The three-dimensional adjustable fireproof hinge of embodiment 1, as shown in the figure, comprises a bottom plate 1, a short supporting piece 2, a long supporting piece 3 and a connecting piece 4, wherein one end of the short supporting piece 2 is riveted with the bottom plate 1, the other end of the short supporting piece 2 is riveted with one end of the connecting piece 4, the middle part of the connecting piece 4 is riveted with one end of the long supporting piece 3, the other end of the long supporting piece 3 is riveted with one end of the bottom plate 1, a front-back adjusting mechanism and a left-right adjusting mechanism are arranged on the bottom plate 1, and an up-down adjusting mechanism is arranged between the short supporting piece 2 and; the front-back adjusting mechanism comprises a first eccentric rivet 5, and the other end of the long support 3 is riveted with one end of the bottom plate 1 through the first eccentric rivet 5; the left-right adjusting mechanism comprises a second eccentric rivet 6 and a fixing piece 61, the fixing piece 61 comprises a vertical plate 62 and a transverse plate 63 which are arranged at a right angle, the transverse plate 63 is arranged at the lower side of the other end of the bottom plate 1, the transverse plate 63 is provided with a first riveting hole 64 and a first kidney-shaped hole 65, the bottom plate 1 is provided with a second riveting hole 11 and a second kidney-shaped hole 12, the second eccentric rivet 6 sequentially penetrates through the second kidney-shaped hole 12 and the first riveting hole 64 to connect the fixing piece 61 with the bottom plate 1, and the first connecting rivet 13 sequentially penetrates through the first kidney-shaped hole 65 and the second riveting hole 11 to connect the fixing piece 61 with the bottom plate 1; the up-down adjusting mechanism comprises an adjusting seat 71, a cylindrical bolt 72 and an inner hexagonal adjusting screw 7, a through hole 73 which is communicated up and down is formed in the adjusting seat 71, one end, penetrating through the connecting piece 4, of the upper portion of the cylindrical bolt 72 extends into the lower portion of the through hole 73, the lower portion of the cylindrical bolt 72 is riveted with the short supporting piece 2, the inner hexagonal adjusting screw 7 is connected into the through hole 73 in a threaded mode, and the bottom end of the inner hexagonal adjusting screw 7 compresses the upper end of the cylindrical bolt 72.
In embodiment 1, the cylindrical plug 72 includes a wide end 74 and a narrow end 75 integrally and coaxially disposed up and down, the wide end 74 extends into the lower portion of the through hole 73 through one end of the connecting piece 4, and the narrow end 75 is riveted with the short piece 2. The outside of the narrow diameter end 75 is sleeved with a gasket 76, and the gasket 76 is clamped between the connecting piece 4 and the short supporting piece 2.
The three-dimensional adjustable fire-resistant hinge of embodiment 2 is different from embodiment 1 in that in embodiment 2, the adjusting seat 71 includes a cylindrical portion 77 and a flat plate 78 which are integrally arranged, a through hole 73 is formed in the cylindrical portion 77, the flat plate 78 is connected to one side of the cylindrical portion 77, the cross section of the flat plate 78 has a shape and a size which are matched with those of a C-shaped notch of a side vertical surface 81 of the door sash profile 8, two threaded holes 79 are formed in the flat plate 78, each threaded hole 79 traverses the thickness direction of the flat plate 78, and a first hexagonal jacking screw 70 is connected to each threaded hole 79 in a threaded manner. The width of the connecting piece 4 is matched with the width of the C-shaped notch on the bottom surface 82 of the door sash section bar 8, the middle part of the connecting piece 4 is provided with a lower concave part 41, and the second connecting rivet 42 successively penetrates through one end of the long supporting piece 3 and the lower concave part 41 to connect the two.
In embodiment 2, the other end of the connecting piece 4 is provided with a screw mounting hole 43 and a tightening screw mounting hole 44, the screw mounting hole 43 is used for mounting a first screw (not shown in the figure), the first screw is used for connecting the connecting piece 4 and the bottom surface 82 of the door and window sash profile 8, the tightening screw mounting hole 44 is used for mounting a second hexagon socket tightening screw 45, and the second hexagon socket tightening screw 45 is used for tightening the bottom wall of the C-shaped notch of the bottom surface 82 of the door and window sash profile 8.
The three-dimensional adjustable fire-resistant hinge of embodiment 3 is different from embodiment 2 in that in embodiment 3, the width of the riser 62 is matched with the width of the C-shaped groove of the side elevation 91 of the door and window frame profile 9, and the riser 62 is provided with the first locking piece 66, and the first locking piece 66 is used for fixing the riser 62 in the C-shaped groove of the side elevation 91 of the door and window frame profile 9. The transverse plate 63 is provided with a notch 67, one end of the notch 67 reaches the connecting position of the vertical plate 62 and the transverse plate 63, one side of the bottom plate 1 is integrally connected with a positioning block 68 in a sinking manner, and the positioning block 68 is inserted into the notch 67 and is limited in the notch 67 up and down. A stop 69 is fixed on the fixing member 61, and the stop 69 is positioned right above one end of the notch 67.
In embodiment 3, one end of the short supporting piece 2 is riveted with the bottom plate 1 through the bearing rivet 21, two third kidney-shaped holes 14 are formed in the bottom plate 1, the two third kidney-shaped holes 14 are respectively arranged at two sides of the bearing rivet 21, the two third kidney-shaped holes 14 are used for installing two second screws (not shown in the figure), and the two second screws are used for connecting the bottom plate 1 and the bottom surface 92 of the door and window frame section bar 9; the bottom plate 1 is provided with a long hole 15, the second locking sheet 16 is installed in the long hole 15 in a sinking mode, one side, far away from the transverse plate 63, of the bottom plate 1 is integrally connected with a narrow and wide end 17 in a sinking mode, the width of the narrow and wide end 17 is matched with the width of a C-shaped notch in the bottom surface 92 of the door and window frame section bar 9, the narrow and wide end 17 is provided with a third locking sheet 18, and the second locking sheet 16 and the third locking sheet 18 are used for fixing the bottom plate 1 on the bottom surface 92 of the door and window frame section bar 9.
The three-dimensional adjustable fire-resistant hinge of the embodiment 3 is taken as an example, and the effect picture after installation is shown in figure 3. When the installation position of the hinge needs to be adjusted, the first eccentric rivet 5 is rotationally adjusted, and the front and back adjustment of the installation position of the hinge can be realized, so that the front and back sealing performance of the door and window sashes can be adjusted; the left and right adjustment of the installation position of the hinge can be realized by rotating and adjusting the second eccentric rivet 6, so that the left and right lap joint amount of the window sash is adjusted, the second eccentric rivet 6 pushes the bottom plate 1 to move left and right during adjustment, and the left and right movement of the bottom plate 1 is guided by the matching of the first connecting screw and the first kidney-shaped hole 65, so that the window sash is safe and reliable; the upper and lower adjustment of the hinge mounting position can be realized by rotating and adjusting the inner hexagonal adjusting screw 7, so that the upper and lower lap joint amount of the window sash is adjusted. Through the front-back, left-right and up-down three-dimensional adjustment of the hinge mounting position, the mounting precision and reliability of the door and window sash can be effectively improved, and the sealing performance of the door and window sash is ensured.
Claims (10)
1. A three-dimensional adjustable fireproof hinge comprises a bottom plate, a short supporting piece, a long supporting piece and a connecting piece, and is characterized in that one end of the short supporting piece is riveted with the bottom plate, the other end of the short supporting piece is riveted with one end of the connecting piece, the middle of the connecting piece is riveted with one end of the long supporting piece, the other end of the long supporting piece is riveted with one end of the bottom plate, a front-back adjusting mechanism and a left-right adjusting mechanism are arranged on the bottom plate, and an up-down adjusting mechanism is arranged between the short supporting piece and the connecting piece; the front-back adjusting mechanism comprises a first eccentric rivet, and the other end of the long supporting sheet is riveted with one end of the bottom plate through the first eccentric rivet; the left-right adjusting mechanism comprises a second eccentric rivet and a fixing piece, the fixing piece comprises a vertical plate and a transverse plate which are arranged at a right angle, the transverse plate is installed on the lower side of the other end of the bottom plate, a first riveting hole and a first waist-shaped hole are formed in the transverse plate, a second riveting hole and a second waist-shaped hole are formed in the bottom plate, the second eccentric rivet sequentially penetrates through the second waist-shaped hole and the first riveting hole to connect the fixing piece with the bottom plate, and the first connecting rivet sequentially penetrates through the first waist-shaped hole and the second riveting hole to connect the fixing piece with the bottom plate; the upper and lower adjusting mechanism comprises an adjusting seat, a cylindrical bolt and an inner hexagonal adjusting screw, wherein a through hole which is communicated from top to bottom is formed in the adjusting seat, the upper part of the cylindrical bolt penetrates through one end of the connecting piece and extends into the lower part of the through hole, the lower part of the cylindrical bolt is riveted with the short supporting piece, the inner hexagonal adjusting screw is in threaded connection with the through hole, and the bottom end of the inner hexagonal adjusting screw is tightly pressed on the upper end of the cylindrical bolt.
2. The three-dimensional adjustable fire-resistant hinge according to claim 1, wherein the cylindrical bolt comprises a wide end and a narrow end which are coaxially arranged from top to bottom, the wide end penetrates through one end of the connecting piece and extends into the lower part of the through hole, and the narrow end is riveted with the short support.
3. The three-dimensional adjustable fireproof hinge according to claim 2, wherein a gasket is sleeved outside the narrow diameter end, and the gasket is clamped between the connecting piece and the short supporting piece.
4. The three-dimensional adjustable fireproof hinge according to claim 1, wherein the adjusting seat comprises a cylindrical portion and a flat plate which are integrally arranged, the through hole is formed in the cylindrical portion, the flat plate is connected to one side of the cylindrical portion, the cross section of the flat plate is matched with the shape and size of the C-shaped notch of the side vertical face of the door sash profile, the flat plate is provided with a plurality of threaded holes, each threaded hole traverses the thickness direction of the flat plate, and a first inner hexagonal jacking screw is connected to each threaded hole in a threaded manner.
5. The three-dimensional adjustable fire-resistant hinge according to claim 1, wherein the width of the connecting piece is matched with the width of the C-shaped notch on the bottom surface of the door and window sash section bar, a lower concave part is arranged in the middle of the connecting piece, and a second connecting rivet penetrates through one end of the long supporting piece and the lower concave part successively to connect the long supporting piece and the lower concave part.
6. The three-dimensional adjustable fire-resistant hinge according to claim 5, wherein the other end of the connecting piece is provided with a screw mounting hole and a tightening screw mounting hole, the screw mounting hole is used for mounting a first screw, the first screw is used for connecting the connecting piece and the bottom surface of the door and window sash profile, the tightening screw mounting hole is used for mounting a second inner hexagonal tightening screw, and the second inner hexagonal tightening screw is used for tightening the bottom wall of the C-shaped notch in the bottom surface of the door and window sash profile.
7. The three-dimensional adjustable fireproof hinge according to claim 1, wherein the width of the vertical plate is adapted to the width of the C-shaped notch of the side vertical surface of the door and window frame profile, the vertical plate is provided with a first locking piece, and the first locking piece is used for fixing the vertical plate in the C-shaped notch of the side vertical surface of the door and window frame profile.
8. The three-dimensional adjustable fireproof hinge according to claim 7, wherein the transverse plate is provided with a notch, one end of the notch reaches the joint of the vertical plate and the transverse plate, one side of the bottom plate is connected with a positioning block in a sinking manner, and the positioning block is inserted into the notch and is limited in the upper and lower directions.
9. The three-dimensional adjustable fire-resistant hinge according to claim 8, wherein a stopper is fixed on the fixing member, and the stopper is positioned right above one end of the notch.
10. The three-dimensional adjustable fireproof hinge according to claim 1, wherein one end of the short supporting piece is riveted with the bottom plate through a bearing rivet, two third waist-shaped holes are formed in the bottom plate, the two third waist-shaped holes are respectively arranged on two sides of the bearing rivet, the two third waist-shaped holes are used for installing two second screws, and the two second screws are used for connecting the bottom plate and the bottom surface of the door and window frame profile; the bottom plate on seted up rectangular hole, rectangular downthehole formula of sinking install the second stay, the bottom plate keep away from one side an organic whole formula of sinking of diaphragm be connected with the narrow wide end, the width of narrow wide end and the width looks adaptation of the C type notch in door and window frame section bar bottom surface, the narrow wide end on install the third stay, the second stay with the third stay be used for with the bottom plate fix in door and window frame section bar bottom surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982072.5U CN211573059U (en) | 2019-11-15 | 2019-11-15 | Three-dimensional adjustable fire-resistant hinge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982072.5U CN211573059U (en) | 2019-11-15 | 2019-11-15 | Three-dimensional adjustable fire-resistant hinge |
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| CN211573059U true CN211573059U (en) | 2020-09-25 |
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| CN201921982072.5U Active CN211573059U (en) | 2019-11-15 | 2019-11-15 | Three-dimensional adjustable fire-resistant hinge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943044A (en) * | 2021-02-04 | 2021-06-11 | 宁波锐驰科技有限公司 | Inwardly opened window of high strength and high leakproofness |
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2019
- 2019-11-15 CN CN201921982072.5U patent/CN211573059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943044A (en) * | 2021-02-04 | 2021-06-11 | 宁波锐驰科技有限公司 | Inwardly opened window of high strength and high leakproofness |
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