CN214006909U - Bridge-cut-off type door and window convenient to open and close - Google Patents
Bridge-cut-off type door and window convenient to open and close Download PDFInfo
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- CN214006909U CN214006909U CN202022364877.2U CN202022364877U CN214006909U CN 214006909 U CN214006909 U CN 214006909U CN 202022364877 U CN202022364877 U CN 202022364877U CN 214006909 U CN214006909 U CN 214006909U
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- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 2
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- 238000010586 diagram Methods 0.000 description 2
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- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The application relates to a bridge-cut-off type door and window convenient to open and close, which comprises a window frame, a first sash and a second sash, wherein the first sash and the second sash are rotatably connected on the window frame and seal the window frame, one sides of the first sash and the second sash close to each other are connected with a connecting mechanism, the connecting mechanism comprises a locking component and a reset component, the locking component comprises a first accommodating groove, spring, spacing post and spacing groove, the spacing groove is seted up and is close to first casement one side at the second casement, first holding tank is seted up and is close to second casement one side and open towards second casement one side at first casement, the spring sets up in first holding tank and one end is fixed with the lateral wall that first holding tank kept away from the second casement, the spring other end is fixed with spacing post, spacing post is kept away from spring one end and is stretched out first holding tank and insert the spacing groove, spacing post stretches into spacing groove one end and is equipped with the guide face. The window sash closing device has the advantages of being convenient and fast in window sash closing process.
Description
Technical Field
The application relates to the technical field of door and window structures, in particular to a bridge-cut-off type door and window convenient to open and close.
Background
The bridge-cut-off type door and window is a door and window which improves the whole heat preservation performance of the door and window by cutting off the metal section of the door and window and filling the heat insulation material with poorer heat conductivity at the cut-off part. In order to lock the door and window, a bolt is generally installed on the bridge-cut-off door and window.
The utility model discloses a utility model patent application number CN922176469 discloses a window bolt, bore the convex sheet metal that has a row of aperture including bolt and a centre, the bolt comprises pin pole, round pin shell and reset spring, and this reset spring overlaps on the pin pole and installs in the round pin shell, when needing the lock solid window, can insert the pin pole in the hole of convex sheet metal, links to each other pin pole and convex sheet metal to lock the casement.
In view of the above-mentioned related technologies, the inventor thinks that when opening and closing the window, the user needs to bend over to take out the pin rod and then rotate the window sash to open and close, and after the window sash rotates to a proper position, the user needs to bend over again to insert the pin rod into the hole of the circular arc thin plate, which is complicated in operation and inconvenient in use.
SUMMERY OF THE UTILITY MODEL
In order to reduce the operation when opening and shutting the window, the convenience when improving the opening and shutting window, this application provides a bridge cut-off formula door and window convenient to switch.
The application provides a pair of bridge cut-off formula door and window convenient to switch adopts following technical scheme:
a bridge-cut-off door and window convenient to open and close comprises a window frame, a first sash and a second sash, wherein the first sash and the second sash are rotatably connected on the window frame and seal the window frame, one side that first casement and second casement are close to each other is connected with coupling mechanism, coupling mechanism includes the lock solid subassembly and is used for breaking off the reset assembly that first casement and second casement are connected, the lock solid subassembly includes first holding tank, a spring, spacing post and spacing groove, the spacing groove is seted up and is close to first casement one side at the second casement, first holding tank is seted up and is close to second casement one side and uncovered towards second casement one side at first casement, the spring sets up in first holding tank and one end is fixed with the lateral wall that first holding tank kept away from the second casement, the spring other end is fixed with spacing post, spacing post is kept away from spring one end and is stretched out first holding tank and insert the spacing groove, spacing post stretches into spacing groove one end and is equipped with the guide face that the spacing post of being convenient for inserts the spacing groove.
Through adopting above-mentioned technical scheme, the user closes first casement and second casement when closing, fold the second casement to window frame department earlier, close first casement again, when folding first casement, spacing post is by the extrusion of second casement and return in the first holding tank, the spring is compressed this moment, when spacing post aligns the spacing groove, owing to lost pressure, the spring resets automatically and promotes spacing post and move outside first holding tank, spacing post is released first holding tank when with the spacing groove joint, thereby automatically be connected first casement and second casement, make the casement close process operation step still less, convenient to use.
Optionally, the reset assembly comprises a second accommodating groove, a push rod, a flexible rope and a third accommodating groove, the second accommodating groove is arranged on one side of the first accommodating groove far away from the second sash, the axis of the second accommodating groove is perpendicular to the axis of the spring and is open towards the indoor side, one end of the push rod is arranged in the second accommodating groove and fixed with the flexible rope, the other end of the push rod extends out of the open end of the second accommodating groove, the third accommodating groove is arranged between the first accommodating groove and the second accommodating groove, one end of the third accommodating groove is communicated with the first accommodating groove, the other end of the third accommodating groove is communicated with the second accommodating groove, the depth of the second accommodating groove is larger than the distance from the third accommodating groove to the open end of the second accommodating groove, the distance between the end of the push rod connected with the flexible rope and the side wall of the second accommodating groove far away from the open end is not smaller than the distance from the spacing column extending into the spacing groove, the flexible rope is arranged in the third accommodating groove, one end of the flexible rope, which is far away from the push rod, is fixed with one end of the limiting column, which is close to the spring.
Through adopting above-mentioned technical scheme, when the casement is opened to needs, the user of service can press the push rod and remove in to the second holding tank, and flexible rope is driven by the push rod and removes to second holding tank depths this moment, and the spacing post of flexible rope other end pulling returns first holding tank, and spacing post is relieved with the joint of spacing groove this moment, and first casement is driven towards outdoor rotation by the power of pressing the push rod and is opened to make the opening process step of casement still less, it is convenient to use.
Optionally, coupling mechanism still includes the protection subassembly that reduces the wearing and tearing of flexible rope, and the protection subassembly includes mounting groove and gyro wheel, and the mounting groove is seted up and is close to third holding tank one side at the second holding tank, and the mounting groove is arranged in to the gyro wheel, and the pivot perpendicular to push rod axis of gyro wheel and the central line setting of perpendicular to third holding tank, the pivot and the mounting groove lateral wall of gyro wheel rotate to be connected, and flexible rope is around establishing on the gyro wheel.
Through adopting above-mentioned technical scheme, flexible rope slides on rotatable gyro wheel when removing, has reduced the wearing and tearing of flexible rope, has prolonged life.
Optionally, coupling mechanism still includes the spacing subassembly that is used for reducing the possible that the push rod drops, and spacing subassembly includes fender ring and anticreep piece, keeps off ring and second holding tank opening end and fixes along circumference, and the push rod is worn to establish in keeping off the ring and is kept off ring inner circle and push rod looks adaptation, and the anticreep piece is fixed with the circumference lateral wall that the push rod stretched into second holding tank one end, and the anticreep piece is kept away from push rod one end and is greater than the fender ring internal diameter to the distance at push rod center.
Through adopting above-mentioned technical scheme, anticreep piece uses the possibility that can reduce push rod roll-off second holding tank with keeping off the ring cooperation, the accomodating of the push rod of being convenient for.
Optionally, at least one limiting plate is fixed on one side, close to the indoor, of the window frame, the limiting plate is perpendicular to the rotating shafts of the first window sash and the second window sash, the limiting plate is fixed on one side, facing the inner cavity of the window frame, and the limiting plate is abutted to one side, facing the outdoor, of the limiting plate and one side, facing the indoor, of the first window sash and the second window sash.
Through adopting above-mentioned technical scheme, the limiting plate can be injectd the turned angle of first casement and second casement, reduces the possibility that first casement and second casement opened towards indoor.
Optionally, the limiting plate is provided with a buffer layer for buffering, and the buffer layer is arranged on one side of the limiting plate facing the outdoor space.
Through adopting above-mentioned technical scheme, the noise when first casement and second casement and window frame collision has been reduced in the setting of buffer layer. In addition, when the first sash and the second sash are closed, the buffer layer is extruded, and the effects of partial sound insulation, rain insulation, wind insulation and heat preservation can be achieved.
Optionally, the top wall and the bottom wall of the first window sash perpendicular to the rotating shaft of the first window sash are arc-shaped, the circle center of the first window sash is located on one side close to the limiting plate, and the second window sash is arranged the same as the first window sash.
By adopting the technical scheme, when rainwater and wind sand fall on one sides of the first window sash and the second window sash facing the outdoor, the rainwater and the wind sand can slide along the inclined arc-shaped wall by self gravity, so that the possibility of accumulating on the first window sash and the second window sash is reduced.
Optionally, a rectangular abutting groove used for improving the sealing performance is respectively formed in one side, close to each other, of the first window sash and the second window sash, the accommodating groove of the first window sash faces the indoor side, the accommodating groove of the second window sash faces the outdoor side, one end, close to the second window sash, of the first window sash abuts against the abutting groove of the second window sash, and one end, close to the first window sash, of the second window sash abuts against the abutting groove of the first window sash.
Through adopting above-mentioned technical scheme, first casement and second casement pass through the butt groove butt each other that the cross-section is "L" shape, can further improve the seal of first casement and second casement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a user closes the first window sash and the second window sash, the limiting column is extruded and returns to the first accommodating groove, and when the limiting column is aligned with the limiting groove, the spring automatically resets and pushes the limiting column to be clamped with the limiting groove, so that the first window sash and the second window sash are locked, and the window sash closing process is more convenient;
2. when the window sash needs to be opened, a user can press the push rod, the limit column is pulled by the flexible rope to return to the first accommodating groove, and the first window sash is driven by the force of the pressed push rod to rotate and open towards the outdoor, so that the opening process of the first window sash is more convenient and faster;
3. the flexible rope slides on the rotatable roller, so that the abrasion of the flexible rope is reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic diagram for showing the structure of the limiting plate.
Description of reference numerals: 1. a window frame; 11. a limiting plate; 111. a buffer layer; 2. a first sash; 3. a second sash; 4. a connecting mechanism; 41. a locking assembly; 411. a first accommodating groove; 412. a spring; 413. a limiting column; 414. a limiting groove; 42. a reset assembly; 421. a second accommodating groove; 422. a push rod; 423. a flexible cord; 424. a third accommodating groove; 43. a guard assembly; 431. mounting grooves; 432. a roller; 44. a limiting component; 441. a baffle ring; 442. an anti-drop block; 5. and abutting against the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses bridge cut-off formula door and window convenient to switch. Referring to fig. 1 and 2, the bridge-cut-off type door and window convenient to open and close comprises a window frame 1, a first sash 2, a second sash 3 and a connecting mechanism 4, wherein the first sash 2 and the second sash 3 are rotatably connected with the window frame 1 and close the window frame 1, so that the airtightness between the window frame 1 and the first sash 2 and the second sash 3 is enhanced. The distance between the rotating shaft of the first sash 2 and the rotating shaft of the second sash 3 is greater than the sum of the rotating radius of the first sash 2 and the rotating radius of the second sash 3, so that the first sash 2 and the second sash 3 can rotate smoothly. The connecting mechanism 4 includes a locking assembly 41 and a reset assembly 42, the locking assembly 41 is installed between the first window sash 2 and the second window sash 3 for connecting the first window sash 2 and the second window sash 3. The reset component 42 is communicated with the locking component 41 and is in mutual transmission, and is used for resetting the locking component 41, so that the operation of a user in opening and closing the window is reduced, and the convenience in opening and closing the window is improved.
Referring to fig. 2 and 3, the window frame 1 is the rectangle frame, and the window frame 1 includes limiting plate 11, and limiting plate 11 is the rectangular plate, and limiting plate 11 is welded respectively at the upper and lower both ends that the window frame 1 is close to outdoor one side, and limiting plate 11 is respectively with first casement 2 and the indoor one side butt of second casement 3 orientation for first casement 2 and second casement 3 are difficult to rotate to indoor, have increased the wind resistance ability of first casement 2 and second casement 3. The length of the limiting plate 11 is the same as the sum of the rotating radiuses of the first sash 2 and the second sash 3, a buffer layer 111 is bonded on one side, close to the first sash 2 and the second sash 3, of the limiting plate 11, and the buffer layer 111 can be made of polyurethane rubber and is used for reducing noise of the first sash 2 and the second sash 3 impacting on the window frame 1; in addition, the buffer layer 111 can enhance water-blocking, wind-blocking, and sound-insulating effects when the first sash 2 and the second sash 3 are in the closed state.
Referring to fig. 1, first casement 2 is the rectangle frame, and one side of first casement 2 is installed on the lateral wall of the one end of limiting plate 11 along length direction of 1 perpendicular to of window frame through the hinge, and first casement 2 is installed in window frame 1 towards its inner chamber one side for first casement 2 can use the hinge as the pivot, rotates around one side of window frame 1, and second casement 3 is the same with first casement 2 and sets up relatively, when first casement 2 and second casement 3 rotation resistance is too big, the accessible is changed the hinge and is made first casement 2 and second casement 3 rotate smoothly. First casement 2 sets up towards outdoor roof and the diapire arc that is close to limiting plate 11 one side, and the centre of a circle is indoor towards, and second casement 3 sets up with first casement 2 is the same for sand blown by wind and rainwater fall along the arc wall by self gravity, are difficult to pile up.
Referring to fig. 2, in order to further improve the leakproofness of first casement 2 and second casement 3, butt groove 5 has been seted up respectively to first casement 2 and second casement 3, butt groove 5 is located the one side that first casement 2 and second casement 3 are close to each other, when first casement 2 and second casement 3 close, first casement 2 is close to 3 one end butt of second casement in the butt groove 5 of second casement 3, second casement 3 is close to 2 one end butt of first casement in the butt groove 5 of first casement 2, further improve the leakproofness that first casement 2 and second casement 3 are connected. The butt groove 5 of first casement 2 is seted up in first casement 2 towards outdoor one side, and the butt groove 5 of second casement 3 is seted up in second casement 3 towards indoor one side, when user opens first casement 2 and second casement 3, rotates through promoting second casement 3 and can drive first casement 2 and rotate, and is more convenient.
Referring to fig. 2, the connecting mechanism 4 includes a locking assembly 41, a reset assembly 42, a protection assembly 43 and a limiting assembly 44. The locking assembly 41 includes a first receiving groove 411, a spring 412, a limiting post 413 and a limiting groove 414, the first receiving groove 411 is opened at one end of the first window sash 2 close to the second window sash 3, the spring 412 is arranged in the first receiving groove 411, one end of the spring 412 is welded at one side of the first receiving groove 411 far away from the second window sash 3, the limiting post 413 is arranged in the first receiving groove 411 and can slide relatively, the other end of the spring 412 is welded at one end of the limiting post 413 close to the spring 412, so that the spring 412 can drive the limiting post 413 to extend out of the first receiving groove 411 in the resetting process. Spacing post 413 is close to second casement 3 one end and is equipped with the arc guide face towards indoor setting, and the guide face centre of a circle is outdoor for during spacing post 413 pressurized can smoothly slide in first holding tank 411. Spacing groove 414 and spacing post 413 looks adaptation, spacing post 413 is seted up and is being close to first holding tank 411 one side at second holding tank 421, and spacing post 413 one end stretches out first holding tank 411 and with spacing groove 414 joint to connect first casement 2 and second casement 3.
Referring to fig. 2, in order to reduce the wear of the flexible rope 423, the shielding assembly 43 includes a mounting groove 431 and a roller 432, the mounting groove 431 is opened at the junction of the second receiving groove 421 and the third receiving groove 424, the mounting groove 431 is disposed away from the open end of the second receiving groove 421, the rotating shaft of the roller 432 is welded in the mounting groove 431, and the flexible rope 423 is wound on the circumferential side wall of the roller 432, so that the wear of the flexible rope 423 is reduced when the flexible rope 423 slides on the rotatable roller 432, thereby prolonging the service life of the flexible rope 423.
The limiting assembly 44 includes a retaining ring 441 welded to the open end of the second receiving groove 421 and an anti-separation block 442 welded to the sidewall of the push rod 422, and the inner ring of the retaining ring 441 is adapted to the push rod 422, so that the push rod 422 is inserted into the inner ring of the retaining ring 441. When the position-limiting column 413 extends out of the first receiving groove 411, the push rod 422 has a tendency to move toward the open end of the second receiving groove 421, and at this time, the push rod 422 is limited in the second receiving groove 421 by the abutment of the blocking ring 441 and the anti-falling block 442, so that the possibility that the push rod 422 falls off the second receiving groove 421 is reduced.
The specific use method of the embodiment of the application is as follows: when first casement 2 and second casement 3 need be closed, pull first casement 3 and limiting plate 11 butt earlier, then pull first casement 2 and rotate to limiting plate 11, when spacing post 413 and second casement 3 contact, second casement 3 extrudees the guide face and promotes spacing post 413 and return first holding tank 411, and spring 412 is compressed this moment. When the position-limiting post 413 is aligned with the position-limiting groove 414, the spring 412 automatically resets and pushes the position-limiting post 413 to extend out of the first accommodating groove 411 due to pressure loss, and the position-limiting post 413 is clamped with the position-limiting groove 414 at the moment, so that the first sash 2 and the second sash 3 are locked and fixed conveniently and quickly.
When first casement 2 and second casement 3 need be opened, user of service can press push rod 422, and push rod 422 stimulates flexible rope 423 and goes deep into second holding tank 421, and flexible rope 423 stimulates spacing post 413 and returns first holding tank 411, and spacing post 413 and spacing groove 414 remove the joint this moment, and user of service promotes second casement 3 and drives first casement 2 and rotate and open convenient and fast this moment.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a bridge cut-off formula door and window convenient to switch, includes window frame (1), first casement (2) and second casement (3), and first casement (2) and second casement (3) rotate to be connected on window frame (1) and seal window frame (1), its characterized in that: one side of the first sash (2) close to one another is connected with a connecting mechanism (4), the connecting mechanism (4) comprises a locking component (41) and a reset component (42) for disconnecting the connection of the first sash (2) and the second sash (3), the locking component (41) comprises a first accommodating groove (411), a spring (412), a limiting column (413) and a limiting groove (414), the limiting groove (414) is arranged on one side of the second sash (3) close to the first sash (2), the first accommodating groove (411) is arranged on one side of the first sash (2) close to the second sash (3) and is open towards one side of the second sash (3), the spring (412) is arranged in the first accommodating groove (411) and one end of the spring (412) is fixed with the side wall of the first sash (411) far away from the second sash (3), the other end of the spring (412) is fixed with the limiting column (413), one end of the limiting column (413) far away from the spring (412) extends out of the first accommodating groove (411) and is inserted into the limiting groove (414) In the middle, one end of the limiting column (413) extending into the limiting groove (414) is provided with a guide surface which is convenient for the limiting column (413) to be inserted into the limiting groove (414).
2. The bridge-cut-off door and window convenient to open and close of claim 1, characterized in that: the reset assembly (42) comprises a second accommodating groove (421), a push rod (422), a flexible rope (423) and a third accommodating groove (424), the second accommodating groove (421) is arranged on one side, far away from the second window sash (3), of the first accommodating groove (411), the axis of the second accommodating groove (421) is perpendicular to the axis of the spring (412) and is open towards one indoor side, one end of the push rod (422) is arranged in the second accommodating groove (421) and is fixed with the flexible rope (423), the other end of the push rod (422) extends out of the open end of the second accommodating groove (421), the third accommodating groove (424) is arranged between the first accommodating groove (411) and the second accommodating groove (421), one end of the third accommodating groove (424) is communicated with the first accommodating groove (411), the other end of the third accommodating groove (424) is communicated with the second accommodating groove (421), the depth of the second accommodating groove (421) is greater than the distance from the third accommodating groove (424) to the open end of the second accommodating groove (421), the distance between the lateral wall of the opening end is kept away from to push rod (422) and flexible rope (423) one end that links to each other and second holding tank (421) is not less than the distance that spacing post (413) stretched into spacing groove (414), and during third holding tank (424) was arranged in to flexible rope (423), it was fixed near spring (412) one end with spacing post (413) one end to keep away from push rod (422) one end in flexible rope (423).
3. The bridge-cut-off door and window convenient to open and close of claim 2, characterized in that: the connecting mechanism (4) further comprises a protective assembly (43) for reducing abrasion of the flexible rope (423), the protective assembly (43) comprises a mounting groove (431) and a roller (432), the mounting groove (431) is formed in one side, close to the third accommodating groove (424), of the second accommodating groove (421), the roller (432) is arranged in the mounting groove (431), a rotating shaft of the roller (432) is perpendicular to the axis of the push rod (422) and perpendicular to the center line of the third accommodating groove (424), the rotating shaft of the roller (432) is rotatably connected with the side wall of the mounting groove (431), and the flexible rope (423) is wound on the roller (432).
4. The bridge-cut-off door and window convenient to open and close of claim 2, characterized in that: coupling mechanism (4) are still including being used for reducing possible spacing subassembly (44) that push rod (422) drop, spacing subassembly (44) are including keeping off ring (441) and anticreep piece (442), it is fixed along circumference with second holding tank (421) opening end to keep off ring (441), push rod (422) are worn to establish and are kept off in ring (441) and keep off ring (441) inner circle and push rod (422) looks adaptation, anticreep piece (442) are fixed with the circumference lateral wall that push rod (422) stretched into second holding tank (421) one end, the distance that push rod (422) one end was kept away from to push rod (422) center is greater than to anticreep piece (442) internal diameter.
5. The bridge-cut-off door and window convenient to open and close of claim 1, characterized in that: the window frame (1) is close to the fixed at least one limiting plate (11) of indoor one side, and limiting plate (11) perpendicular to the pivot setting of first casement (2) and second casement (3), and limiting plate (11) are fixed in window frame (1) towards its inner chamber one side, and limiting plate (11) are towards outdoor one side and first casement (2) and indoor one side butt of second casement (3) orientation.
6. The bridge-cut-off door and window convenient to open and close of claim 5, characterized in that: the buffer layer (111) used for buffering is installed to limiting plate (11), and buffer layer (111) set up in limiting plate (11) towards outdoor one side.
7. The bridge-cut-off door and window convenient to open and close of claim 1, characterized in that: the top wall and the bottom wall of the first window sash (2) perpendicular to the rotating shaft are arc-shaped, the circle center of the first window sash is located on one side close to the limiting plate (11), and the second window sash (3) is arranged the same as the first window sash (2).
8. The bridge-cut-off door and window convenient to open and close of claim 1, characterized in that: first casement (2) and second casement (3) are close to one side each other and offer rectangle butt groove (5) that are used for improving the leakproofness respectively, butt groove (5) of first casement (2) are towards indoor one side, butt groove (5) of second casement (3) are towards outdoor one side setting, first casement (2) are close to second casement (3) one end butt in butt groove (5) of second casement (3), second casement (3) are close to first casement (2) one end butt in butt groove (5) of first casement (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364877.2U CN214006909U (en) | 2020-10-22 | 2020-10-22 | Bridge-cut-off type door and window convenient to open and close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364877.2U CN214006909U (en) | 2020-10-22 | 2020-10-22 | Bridge-cut-off type door and window convenient to open and close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214006909U true CN214006909U (en) | 2021-08-20 |
Family
ID=77300362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022364877.2U Expired - Fee Related CN214006909U (en) | 2020-10-22 | 2020-10-22 | Bridge-cut-off type door and window convenient to open and close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214006909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844587A (en) * | 2021-09-30 | 2021-12-28 | 大连中远海运川崎船舶工程有限公司 | Pirate-proof window cover |
-
2020
- 2020-10-22 CN CN202022364877.2U patent/CN214006909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844587A (en) * | 2021-09-30 | 2021-12-28 | 大连中远海运川崎船舶工程有限公司 | Pirate-proof window cover |
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Granted publication date: 20210820 |