CN211714863U - Hidden sliding door pulley system - Google Patents
Hidden sliding door pulley system Download PDFInfo
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- CN211714863U CN211714863U CN201922182166.0U CN201922182166U CN211714863U CN 211714863 U CN211714863 U CN 211714863U CN 201922182166 U CN201922182166 U CN 201922182166U CN 211714863 U CN211714863 U CN 211714863U
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- pulley
- block
- pivot
- pulleys
- worm
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 21
- 239000000872 buffer Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a hidden pulley system that moves, every pulley unit thereof includes first assembly pulley, the second assembly pulley, the mount pad and hang the box, the upper end of hanging the box is provided with the screw rod, the top and the central pivot threaded connection of screw rod, the mount pad is installed in central pivot, first assembly pulley includes two first pulleys, two first pulleys are installed on the mount pad through first pivot, the second assembly pulley includes two second pulleys, two second pulleys are installed on the mount pad through the second pivot, the outside cover of first pivot is equipped with the pendulum shaft, radial triangular groove and radial taper hole have been seted up to the lateral wall of pendulum shaft, radial triangular groove department transversely is provided with the pendulum pin, the lower part of pendulum pin is inlayed and is established in radial triangular groove, radial taper hole interpolation is equipped with the elasticity apical axis, the tight elasticity apical axis in first tight set screw top. This move a pulley system simple to operate can guarantee to move the assembly precision of a five metals to avoid the door leaf to remove the in-process and appear discontinuous slip noise, improve user's comfort in use.
Description
Technical Field
The utility model relates to a move a hardware fitting, specifically be a hidden pulley system that moves.
Background
The sliding door pulley system comprises hardware fittings such as pulley blocks and the like, which need to be installed on the guide rail in advance and then installed on the door frame together with the guide rail. The main problems of the sliding door pulley system on the market at present are that: firstly, during installation, the pulley block and matched hardware fittings need to penetrate into the side face of the guide rail and can only be moved out of the side face, so that under the condition that the guide rail is installed in a suspended ceiling in an embedded mode, once the fittings such as pulleys or buffers need to be replaced, the guide rail can only be disassembled, and operation is inconvenient; secondly, the pulley of assembly pulley is high to the required precision of production and assembly, can't carry out position control after the pulley installation of assembly pulley, and installation and use later stage, the wheel face of a plurality of pulleys on the assembly pulley probably is not on the coplanar, can cause in moving a use and beat, leads to appearing discontinuous slip noise and abnormal sound.
Disclosure of Invention
The utility model aims to solve the technical problem that, to prior art not enough, provide an installation, maintenance and dismantle convenient hidden pulley system that moves, this pulley system can guarantee to move the assembly precision of a five metals, avoids the door leaf to remove the in-process and appears discontinuous sliding noise, improves user comfort in use.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a hidden sliding door pulley system comprises two pulley units, the bottoms of two sides of a guide rail on a door frame are respectively provided with a notch for the two pulley units to penetrate through, each pulley unit comprises a first pulley block, a second pulley block, a mounting seat and a hanging box, the upper end of the hanging box is provided with an upright screw rod, the top end of the screw rod is in threaded connection with a central rotating shaft which is transversely arranged, the mounting seat is rotatably arranged on the central rotating shaft, the height and the width of the first pulley block and the second pulley block are respectively matched with the height and the width of a guide groove of the guide rail on the door frame, the first pulley block comprises two first pulleys, the two first pulleys are arranged on the mounting seat through a first rotating shaft, the second pulley block comprises two second pulleys, and the two second pulleys are arranged on the mounting seat through a second rotating shaft, first pivot with the second pivot be located the both sides of center pivot, the central line of center pivot, first pivot and second pivot parallel, the outside cover of first pivot be equipped with the pendulum shaft, the upside and the downside of the lateral wall of pendulum shaft seted up radial triangular groove and radial taper hole respectively, radial triangular groove department transversely be provided with the pendulum pin, the lower part of pendulum pin inlay and establish radial triangular groove in, radial taper hole interpolation be equipped with the elasticity apical axis, first tight set screw pass the lateral wall top of pendulum shaft tight the elasticity apical axis.
The utility model discloses hidden pulley system that moves, before dispatching from the factory, first assembly pulley, second assembly pulley, the mount pad of its every pulley unit have been assembled together, and the mount pad of one of them pulley unit is together fixed with the buffer. When the pulley system is installed, firstly installing a guide rail, then inserting a first pulley block, a second pulley block and an installation seat of a pulley unit which is not fixed with the buffer into a gap on the guide rail on the door frame and forwards pushing the first pulley block, the second pulley block and the installation seat to a proper position, then connecting a screw rod on a hanging box in the pulley unit with a corresponding installation seat through threads, and fixing the hanging box on a section bar on the door leaf; and for the pulley unit with the installation seat fixed with the buffer, the pulley unit is inserted into the upper guide rail of the door frame from another gap on the upper guide rail of the door frame and is pushed forwards to a proper position, then the screw rod on the hanging box in the pulley unit is in threaded connection with the corresponding installation seat, and the hanging box is fixed on the section bar on the door leaf, thus completing the installation of the hidden sliding door pulley system. When the pulley system needs to be disassembled or parts need to be replaced, the pulley system can be disassembled by adopting the operation reverse to the installation process. This hidden pulley system that moves can dismantle under the guide rail condition on not dismantling the door frame simple to operate, convenient maintenance and change spare part.
The utility model discloses hidden pulley system that moves, it has a central pivot to hang every pulley unit, it is fixed in the door leaf on the section bar after, first assembly pulley and second assembly pulley can wind the certain angle of central pivot horizontal hunting, in the door leaf removal in-process, the mount pad can be automatic alignment, realize the horizontal hunting of first assembly pulley and second assembly pulley and adjust, thereby make the wheel face of two first pulleys of every pulley unit and two second pulleys can contact guide rail on the door frame simultaneously, the wheel face of four first pulleys of two pulley units of this pulley system and four second pulleys can contact guide rail on the door frame simultaneously promptly. In addition, due to the design of the swing shaft, the swing pin, the elastic top shaft and the first set screw in the two pulley units, the swing shaft can swing forwards and backwards for a certain angle around the swing pin, and the forward and backward swing adjustment of the first pulley block and the second pulley block is realized, so that the two first pulleys and the two second pulleys in each pulley unit can simultaneously contact the guide rail on the door frame, namely the wheel surfaces of the four first pulleys and the four second pulleys of the two pulley units of the pulley system can simultaneously contact the guide rail on the door frame. Above-mentioned horizontal hunting is adjusted and the fore-and-aft hunting is adjusted, can ensure that four first pulleys and four second pulleys of this hidden pulley system that moves can contact the guide rail on the door frame simultaneously, makes the whole atress of pulley system even, avoids the door leaf to remove the discontinuous of in-process first pulley and second pulley to beat, guarantees to move the assembly precision of door five metals to avoid the door leaf to remove the in-process discontinuous slip noise that appears, improve user's comfort level.
Preferably, a worm wheel and a worm are installed in the hanging box, the worm is transversely arranged in the hanging box, one end of the worm is exposed and provided with a first hexagonal socket, the other end of the worm is meshed with the worm wheel, and the screw is integrally arranged at the top end of a worm wheel shaft of the worm wheel. After the pulley system is installed, the hexagon socket wrench is inserted into the first hexagon socket hole, the worm is rotated to drive the worm wheel and the screw rod to rotate, the hanging box can be moved up and down, the upper and lower installation positions of the door leaf are adjusted, the installation precision of the door leaf is improved, and the whole adjusting process is easy and convenient to operate.
Preferably, the hanging box is internally provided with a transverse triangular groove, the top surface of the transverse triangular groove is an inclined plane, a movable inclined ejecting block is installed in the transverse triangular groove, the top surface of the inclined ejecting block is attached to the top surface of the transverse triangular groove, the outer side of the inclined ejecting block is pressed by a second tightening screw which is transversely arranged, the second tightening screw is in threaded connection with the hanging box, and one end, far away from the inclined ejecting block, of the second tightening screw is exposed and provided with a second inner hexagonal hole. During the installation, insert interior hexagonal spanner in the hexagonal hole in the second, rotatory second holding screw promotes oblique kicking block and removes and upwards push up and hang the box, when the box is hung in the fastening, can further conveniently adjust and reduce the gap between door leaf and the door frame upper guideway, makes the door leaf installation more pleasing to the eye.
Furthermore, a plurality of ribs are distributed on the bottom surface of the inclined ejecting block, each rib is arranged across the width direction of the inclined ejecting block, and the plurality of ribs are arranged at intervals along the length direction of the inclined ejecting block. The friction between the bottom surface of oblique kicking block and the string box can be increased to many ribs that the interval set up, avoids not hard up of oblique kicking block to guarantee oblique kicking block to the fastening effect of hanging the box, make string box installation more firm, reliable.
Furthermore, the second set screw and the worm are arranged in parallel, and the front side and the rear side of the worm are respectively provided with the inclined ejector block and the second set screw. The design of two oblique ejector blocks is favorable for enabling the stress of the hanging box to be more uniform, and the fastening effect of the oblique ejector blocks on the hanging box is ensured.
Preferably, the hanging box is transversely provided with a limiting rod in a penetrating mode, the outer side of the worm is provided with a ring groove opposite to the limiting rod in position, and the lower portion of the limiting rod is embedded in the ring groove. The limit rod has the functions of limiting the worm up and down and limiting the worm left and right, and is safe and reliable.
Preferably, two sides of the bottom of the hanging box are respectively provided with an outward extending convex rib, and the shape and the size of the cross section of each convex rib are matched with the shape and the size of a notch of a section bar on the door leaf. During installation, after the first pulley block, the second pulley block and the mounting seat or the first pulley block, the second pulley block, the mounting seat and the buffer are arranged in the guide rail on the door frame, the bottom convex edge of the hanging box is inserted into the notch of the section bar on the door leaf from the side surface and moves to determine the optimal position of the hanging box, the hanging box is fixed on the section bar on the door leaf, and the screw rod on the hanging box is in threaded connection with the mounting seat.
Preferably, the elastic top shaft is made of rubber. The elastic top shaft ensures that the swing shaft can reliably swing back and forth around the swing pin, and the elastic top shaft and the swing shaft still have larger contact area after the swing shaft swings back and forth for a certain angle, so that the adjusting effect of back and forth swing adjustment can be ensured. In addition, the elastic top shaft made of rubber has a good damping effect, abrasion of the swing shaft after long-term use can be reduced, and the service life of the pulley system is prolonged.
Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a hidden pulley system simple to operate that moves can dismantle, convenient maintenance and change spare part under the guide rail condition on not dismantling the door frame. This pulley system has horizontal hunting regulation and fore-and-aft swing regulatory function concurrently, can ensure that its four first pulleys and four second pulleys can contact the guide rail on the door frame simultaneously, makes the whole atress of pulley system even, avoids the door leaf to remove the discontinuous of in-process first pulley and second pulley to beat, guarantees to move the assembly precision of door five metals to avoid the door leaf to remove the in-process discontinuous slip noise that appears, improve user's comfort level.
Drawings
FIG. 1 is an external view of a single pulley unit in the embodiment;
FIG. 2 is a front view of a single pulley unit in the embodiment;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a schematic view of the assembled first pulley block, second pulley block, mounting seat and buffer in an initial state before being inserted into the notch of the guide rail on the door frame;
fig. 6 is a schematic view of the assembled first pulley block, second pulley block, mounting seat and buffer partially inserted into the notch of the guide rail on the door frame;
fig. 7 is a schematic view of the assembled first pulley block, second pulley block, mounting seat and most of the buffer inserted into the notch of the guide rail on the door frame;
fig. 8 is a schematic view of the assembled first pulley block, second pulley block, mounting seat and bumper completely inserted into the notch of the guide rail on the door frame;
FIG. 9 is a view showing the effect of the pulley unit and the damper in the embodiment after they are assembled;
FIG. 10 is an effect view of the single pulley unit of the embodiment after being installed on the door leaf;
FIG. 11 is a schematic view of the first pulley block before swinging left and right around the central rotating shaft in the embodiment;
FIG. 12 is a schematic view illustrating a state where the first pulley block swings a certain angle leftwards around the central rotating shaft in the embodiment;
FIG. 13 is a schematic diagram illustrating a state of the first pulley block swinging a certain angle to the right around the central rotating shaft in the embodiment;
fig. 14 is a schematic view of the first pulley block before swinging back and forth around the swing pin in the embodiment;
fig. 15 is a schematic view of the first pulley block swinging forward by a certain angle around the swing pin in the embodiment;
fig. 16 is a schematic view of the first pulley block after swinging backwards for a certain angle around the swinging pin in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The hidden sliding door pulley system of embodiment 1, as shown in the figure, comprises two pulley units, the bottoms of two sides of the guide rail 61 on the door frame are respectively provided with a notch 63 for the two pulley units to penetrate, each pulley unit comprises a first pulley block 1, a second pulley block 2, a mounting seat 3 and a hanging box 4, the upper end of the hanging box 4 is provided with an upright screw rod 41, the top end of the screw rod 41 is in threaded connection with a central rotating shaft 31 which is transversely arranged, the mounting seat 3 is rotatably mounted on the central rotating shaft 31, the height and width of the first pulley block 1 and the second pulley block 2 are respectively matched with the height and width of a guide groove 62 of the guide rail 61 on the door frame, the first pulley block 1 comprises two first pulleys 11, the two first pulleys 11 are mounted on the mounting seat 3 through a first rotating shaft 12, the second pulley block 2 comprises two second pulleys 21, the two second pulleys 21 are mounted on the mounting seat 3 through a second rotating shaft 22, first pivot 12 and second pivot 22 are located the both sides of central pivot 31, the central line of first pivot 12 and second pivot 22 is parallel, the outside cover of first pivot 12 is equipped with pendulum axle 13, radial triangular groove 14 and radial taper hole 15 have been seted up respectively to the upside and the downside of the lateral wall of pendulum axle 13, radial triangular groove 14 department transversely is provided with pendulum pin 16, the lower part of pendulum pin 16 inlays to be established in radial triangular groove 14, radial taper hole 15 interpolation is equipped with the elasticity apical axis 17 that rubber made, first tight set screw 18 passes the tight elasticity apical axis 17 in lateral wall top of pendulum axle 13.
In embodiment 1, two sides of the bottom of the hanging box 4 are respectively provided with an outward extending rib 40, and the shape and size of the cross section of the two ribs 40 are matched with the shape and size of the notch 72 of the door leaf upper section bar 71.
The hidden sliding door pulley system of embodiment 2 is different from embodiment 1 in that in embodiment 2, a worm wheel 51 and a worm 52 are installed in a hanging box 4, the worm 52 is transversely arranged in the hanging box 4, one end of the worm 52 is exposed and provided with a first hexagonal socket 53, the other end of the worm 52 is meshed with the worm wheel 51, and a screw rod 41 is integrally arranged at the top end of a worm wheel shaft 54 of the worm wheel 51. The hanging box 4 is provided with a stop lever 42 transversely, the outer side of the worm 52 is provided with a ring groove 55 opposite to the stop lever 42, and the lower part of the stop lever 42 is embedded in the ring groove 55.
The hidden sliding door pulley system of embodiment 3 is different from embodiment 2 in that in embodiment 3, a transverse triangular groove 43 is formed in the hanging box 4, the top surface of the transverse triangular groove 43 is an inclined surface, a movable inclined ejecting block 44 is installed in the transverse triangular groove 43, the top surface of the inclined ejecting block 44 is attached to the top surface of the transverse triangular groove 43, the outer side of the inclined ejecting block 44 is pressed by a second fastening screw 45 which is transversely arranged, the second fastening screw 45 is in threaded connection with the hanging box 4, and one end of the second fastening screw 45, which is far away from the inclined ejecting block 44, is exposed and provided with a second inner hexagonal hole 46.
The hidden sliding door pulley system of embodiment 4 is different from embodiment 3 in that in embodiment 4, a plurality of ribs 47 are arranged on the bottom surface of the slanted ejecting block 44, each rib 47 is arranged across the width direction of the slanted ejecting block 44, and the plurality of ribs 47 are arranged at intervals along the length direction of the slanted ejecting block 44; the second set screw 45 is arranged in parallel with the worm 52, and a slanted ejecting block 44 and a second set screw 45 are respectively arranged on the front side and the rear side of the worm 52.
When the hidden sliding door guide system is installed, before the hidden sliding door guide system leaves a factory, the first pulley block 1, the second pulley block 2 and the mounting seat 3 of each pulley unit are assembled together, and the mounting seat 3 of one pulley unit is fixed with the buffer 8. When the pulley system is installed, firstly installing the guide rail 61, then inserting the first pulley block 1, the second pulley block 2 and the installation base 3 of the pulley unit which is not fixed with the buffer 8 into a gap 63 on the guide rail 61 on the door frame and pushing forwards to a certain position, then inserting the bottom convex edge 40 of the hanging box 4 into a notch 72 of the door leaf upper section bar 71 from the side surface and moving to determine the optimal position of the hanging box 4, then fixing the hanging box 4 on the door leaf upper section bar 71, and connecting the screw rod 41 on the hanging box 4 with the installation base 3 in a threaded manner; for the pulley unit with the mounting seat 3 and the buffer 8 fixed together, the pulley unit is inserted into the door frame upper guide rail 61 from another gap 63 on the door frame upper guide rail 61 and pushed forward to a proper position (the schematic process of inserting the assembled first pulley block 1, second pulley block 2, mounting seat 3 and buffer 8 into the gap 63 is shown in fig. 5-8), then the bottom convex edge 40 of the hanging box 4 is inserted into the notch 72 of the door leaf upper section bar 71 from the side and moved to determine the optimal position of the hanging box 4, the hanging box 4 is fixed on the door leaf upper section bar 71, and the screw rod 41 on the hanging box 4 is connected with the mounting seat 3 through threads, thus completing the installation of the hidden sliding door pulley system. The effect of the assembled pulley unit and the buffer 8 is shown in fig. 9. The effect of the installation of the single pulley unit of the hidden sliding door pulley system on the door leaf 7 is shown in fig. 10.
When the pulley system needs to be disassembled or parts need to be replaced, the pulley system can be disassembled by adopting the operation reverse to the installation process. This hidden pulley system that moves is simple to operate can dismantle under the condition of guide rail 61 on not dismantling the door frame, convenient maintenance and change spare part.
After the hidden sliding door guide system is installed, the first pulley block 1 and the second pulley block 2 can swing left and right around the central rotating shaft 31 by a certain angle, and the installation seat 3 can automatically align in the moving process of the door leaf, so that the left and right swing adjustment of the first pulley block 1 and the second pulley block 2 is realized, as shown in fig. 11 to 13. Meanwhile, the design of the swing shaft 13, the swing pin 16, the elastic top shaft 17 and the first set screw 18 in the two pulley units enables the swing shaft 13 to swing back and forth around the swing pin 16 by a certain angle, so as to realize the back and forth swing adjustment of the first pulley block 1 and the second pulley block 2, as shown in fig. 14 to 16.
The realization of horizontal hunting regulation and fore-and-aft hunting regulatory function can ensure that four first pulleys 11 and four second pulleys 21 of this hidden sliding door pulley system can contact guide rail 61 on the door frame simultaneously, makes the whole atress of pulley system even, avoids the door leaf 7 to remove the discontinuous of in-process first pulley 11 and second pulley 21 and beats, guarantees to move the assembly precision of door five metals to avoid door leaf 7 to remove the in-process discontinuous slip noise that appears, improvement user comfort.
Claims (8)
1. A hidden sliding door pulley system is characterized in that: the door frame comprises two pulley units, the bottoms of two sides of a guide rail on a door frame are respectively provided with a notch for the two pulley units to penetrate through, each pulley unit comprises a first pulley block, a second pulley block, a mounting seat and a hanging box, the upper end of the hanging box is provided with an upright screw rod, the top end of the screw rod is in threaded connection with a transversely arranged central rotating shaft, the mounting seat is rotatably arranged on the central rotating shaft, the heights and the widths of the first pulley block and the second pulley block are respectively matched with the heights and the widths of a guide groove of the guide rail on the door frame, the first pulley block comprises two first pulleys, the two first pulleys are arranged on the mounting seat through a first rotating shaft, the second pulley block comprises two second pulleys, and the two second pulleys are arranged on the mounting seat through a second rotating shaft, first pivot with the second pivot be located the both sides of center pivot, the central line of center pivot, first pivot and second pivot parallel, the outside cover of first pivot be equipped with the pendulum shaft, the upside and the downside of the lateral wall of pendulum shaft seted up radial triangular groove and radial taper hole respectively, radial triangular groove department transversely be provided with the pendulum pin, the lower part of pendulum pin inlay and establish radial triangular groove in, radial taper hole interpolation be equipped with the elasticity apical axis, first tight set screw pass the lateral wall top of pendulum shaft tight the elasticity apical axis.
2. The hidden sliding door sheave system of claim 1, wherein: the hanging box is internally provided with a worm wheel and a worm, the worm is transversely arranged in the hanging box, one end of the worm is exposed and provided with a first hexagonal socket, the other end of the worm is meshed with the worm wheel, and the screw is integrally arranged at the top end of a worm wheel shaft of the worm wheel.
3. The hidden sliding door sheave system of claim 2, wherein: hang the box in seted up horizontal triangular groove, the top surface of horizontal triangular groove be the inclined plane, horizontal triangular groove in install mobilizable oblique kicking block, the top surface of oblique kicking block with the top surface laminating of horizontal triangular groove, the outside of oblique kicking block tightly decide the screw by the second of horizontal setting and compress tightly, the second tightly decide the screw with hang box threaded connection, the tight screw of keeping away from of second one end of oblique kicking block expose and seted up the interior hexagonal hole of second.
4. The hidden sliding door sheave system of claim 3, wherein: the bottom surface of the inclined ejecting block is provided with a plurality of ribs, each rib is arranged across the width direction of the inclined ejecting block, and the plurality of ribs are arranged at intervals along the length direction of the inclined ejecting block.
5. The hidden sliding door sheave system of claim 3, wherein: the second set screw and the worm are arranged in parallel, and the front side and the rear side of the worm are respectively provided with the inclined jacking block and the second set screw.
6. The hidden sliding door sheave system of claim 2, wherein: the hanging box is transversely provided with a limiting rod in a penetrating mode, the outer side of the worm is provided with an annular groove opposite to the limiting rod in position, and the lower portion of the limiting rod is embedded in the annular groove.
7. The hidden sliding door sheave system of claim 1, wherein: the two sides of the bottom of the hanging box are respectively provided with an outward extending convex edge, and the shape and the size of the cross section of each convex edge are matched with the shape and the size of a notch of a section bar on the door leaf.
8. The hidden sliding door sheave system of claim 1, wherein: the elastic top shaft is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182166.0U CN211714863U (en) | 2019-12-09 | 2019-12-09 | Hidden sliding door pulley system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182166.0U CN211714863U (en) | 2019-12-09 | 2019-12-09 | Hidden sliding door pulley system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211714863U true CN211714863U (en) | 2020-10-20 |
Family
ID=72818097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922182166.0U Expired - Fee Related CN211714863U (en) | 2019-12-09 | 2019-12-09 | Hidden sliding door pulley system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211714863U (en) |
-
2019
- 2019-12-09 CN CN201922182166.0U patent/CN211714863U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |