CN220469600U - Inner-opening inner-reversing lock - Google Patents
Inner-opening inner-reversing lock Download PDFInfo
- Publication number
- CN220469600U CN220469600U CN202321893045.7U CN202321893045U CN220469600U CN 220469600 U CN220469600 U CN 220469600U CN 202321893045 U CN202321893045 U CN 202321893045U CN 220469600 U CN220469600 U CN 220469600U
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- Prior art keywords
- fan
- connecting block
- door
- lock catch
- hole
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- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000000806 elastomer Substances 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of doors and windows, in particular to an internally-opened internally-inverted back lock which comprises an upper fan fixing plate, wherein the upper fan fixing plate is connected with a door and window sash section bar, a rotating hole is formed in the lower part of the upper fan fixing plate, and an elastic body is arranged above the rotating hole; the fan is locked, the fan is locked the top and is equipped with the swinging boom, the swinging boom is connected with the rotatory hole cooperation of fixed plate on the fan to make the swinging boom rotate along rotatory hole, swinging boom top locating surface and the elastomer contact in the fixed plate on the fan, fan is locked one side and is equipped with first connecting block, first connecting block is equipped with the card strip by inboard direction, fan is locked the opposite side and is equipped with the second connecting block, leave the clearance between second connecting block and the first connecting block. Compared with the prior art, the utility model has the advantages that: after the door and window sash section bar and the door and window frame section bar are automatically locked, the clamping groove and the clamping strip are designed, and after the clamping groove and the clamping strip are clamped, the door and window sash section bar can resist wind pressure and prevent air leakage and rain leakage.
Description
Technical Field
The utility model relates to the technical field of doors and windows, in particular to an internally-opened internally-inverted back lock.
Background
As shown in fig. 1 and 2, when the existing door and window leaf section bar and the existing door and window frame section bar are closed, one closed side consists of a lock body, a pull rod and a lock point, the lock point rotates the lock body by a handle, the lock body drives the pull rod, and the pull rod drives the lock point, so that the door and window can be locked. However, the other side is not provided with a lock point, when the wind is too large and the wind pressure is large, the one side can deform, so that the door and window deform, and wind and rain can blow into a room.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the inward-opening and inward-reversing back lock which can automatically lock door and window sash sectional materials after the door and window are opened horizontally and closed in an inward reversing manner so as to resist wind pressure.
In order to achieve the above purpose, the design is an inwardly opened and inwardly reversed back lock, which comprises a fan upper fixing plate, wherein the fan upper fixing plate is connected with a door and window fan section bar, a rotary hole is arranged at the lower part of the fan upper fixing plate, and an elastic body is arranged above the rotary hole; the fan-shaped lock catch comprises a fan-shaped lock catch, wherein a rotating arm is arranged at the top of the fan-shaped lock catch, the rotating arm is connected with a rotating hole of a fan-shaped fixed plate in a matched mode, so that the rotating arm can rotate along the rotating hole, a positioning surface at the top of the rotating arm is in contact with an elastic body in the fan-shaped fixed plate, a first connecting block is arranged on one side of the fan-shaped lock catch, a clamping strip is arranged in the direction of the inner side of the first connecting block, a second connecting block is arranged on the other side of the fan-shaped lock catch, a gap is reserved between the second connecting block and the first connecting block, and a transition inclined plane is arranged in the direction of the inner side of the second connecting block; the upper frame lock catch is connected with the door and window frame section bar, one side of the upper frame lock catch is provided with a clamping groove, and the clamping groove is matched with a clamping strip on the upper fan lock catch.
The utility model also has the following preferable technical scheme:
1. the side surface of the upper fixing plate of the door and window sash is provided with a fixing hole which is obliquely arranged, and a fixing screw penetrates through the fixing hole and is connected with the door and window sash section bar.
2. The fan upper fixing plate is provided with a groove, the groove is matched with the fan upper lock catch rotating arm, a penetrating rotating hole is formed in the groove and is matched and connected with the rotating hole of the fan upper lock catch rotating arm, so that the fan upper lock catch can rotate along the rotating hole, the fan upper fixing plate is further provided with a notch for accommodating an elastomer, the notch bulges towards the groove direction, and the elastomer applies resilience force to a positioning surface at the top of the fan upper lock catch rotating arm.
3. Limiting structures are arranged on two sides of the groove to limit the rotating arm to rotate within a range of 90 degrees.
4. The side of the lock catch on the frame is provided with a fixing hole which is obliquely arranged, and a fixing screw penetrates through the fixing hole and is connected with the door and window frame section bar.
5. The top of the lock catch clamping groove on the frame is provided with a clamping point.
6. The bottom of the first connecting block is provided with a notch and a guiding surface towards the inner side, and the bottom of the second connecting block close to the inner side is also provided with a guiding surface so as to lead the clamping point and the clamping groove of the lock catch on the guide frame to enter from the notch of the first connecting block and the gap between the first connecting block and the second connecting block, and the clamping groove is matched and connected with the clamping strip.
Compared with the prior art, the utility model has the advantages that:
1. when the door and window sash section bars are horizontally opened, the door and window sash section bars are normally opened and normally closed, and the door and window sash section bars are automatically locked after being closed;
2. when the door and window sash section bar is inverted, the door and window sash section bar is normally opened and normally closed, and after the door and window sash section bar is closed, the door and window sash section bar is automatically locked;
3. after the door and window sash section bar is automatically locked, a clamping groove and a clamping strip are designed, and after the clamping groove and the clamping strip are clamped, the door and window sash section bar can resist wind pressure and prevent air leakage and rain leakage;
4. after the door and window sash section bar is opened, the back lock is provided with a spring piece, the lock point cannot droop, and the sash upper lock catch and the frame upper lock catch are in butt joint fit when the door and window sash section bar is closed subsequently.
Drawings
FIG. 1 is a prior art schematic;
FIG. 2 is a schematic illustration of the installation of the device of the present utility model on the prior art;
FIG. 3 is an exploded view of the present utility model;
FIG. 4 is a perspective view of the fan top securing plate and fan top latch connection of the present utility model;
FIG. 5 is a perspective view of an on-frame latch of the present utility model;
FIG. 6 is another perspective view of the frame latch of the present utility model;
FIG. 7 is a schematic diagram of the operation of the elastomer of the present utility model;
FIG. 8 is a schematic view of a casement section bar of a door and window of the present utility model;
FIG. 9 is a schematic view of the door and window sash profile of the present utility model;
FIG. 10 is a view of the door and window sash profile of the present utility model in an inverted condition with the intention of initiating closure;
FIG. 11 is an illustration of the door and window sash profile of the present utility model in an inverted condition, with the intention of being closed partway;
FIG. 12 is a fully closed view of the door and window sash profile of the present utility model in the inverted position;
the reference numerals in the drawings: 1. a fan fixing plate; 2. door and window sash section bar; 3. a rotation hole; 4. an elastomer; 5. a fan lock catch; 6. a rotating arm; 7. a positioning surface; 8. a first connection block; 9. clamping strips; 10. a second connection block; 11. a lock catch is arranged on the frame; 12. door and window frame section bar; 13. a clamping groove; 14. a fixing hole; 15. a set screw; 16. a stuck point; 17. locking points; 18. a pull rod; 19. a lock body; 20. a handle.
Detailed Description
The construction and principles of the present utility model will be readily apparent to those skilled in the art from the following description taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 3 and 10, the utility model comprises a fan upper fixing plate 1, wherein the fan upper fixing plate 1 is connected with a door and window sash section bar 2, a rotating hole 3 is arranged at the lower part of the fan upper fixing plate 1, and an elastic body 4 is arranged above the rotating hole 3. The side of the upper fixing plate 1 is provided with a fixing hole 14 which is obliquely arranged, and a fixing screw 15 passes through the fixing hole 14 to be connected with the door and window sash section bar 2.
Also comprises a fan upper lock catch 5, a rotating arm 6 is arranged at the top of the fan upper lock catch 5, the rotating arm 6 is cooperatively connected with the rotating hole 3 of the fan-shaped fixing plate 1, so that the rotating arm 6 can rotate along the rotating hole 3. As shown in fig. 3 and 7, the top positioning surface 7 of the rotating arm 6 is in contact with the elastic body 4 in the fan fixing plate 1. As shown in fig. 4, a first connecting block 8 is arranged on one side of the fan upper lock catch 5, a clamping strip 9 is arranged on the first connecting block 8 in the inner side direction, a notch and an inward guiding surface are arranged at the bottom of the first connecting block 8. The other side of the fan-shaped lock catch 5 is provided with a second connecting block 10, a gap is reserved between the second connecting block 10 and the first connecting block 8, and a transition inclined plane is arranged in the direction close to the inner side of the second connecting block 10. The bottom of the second connecting block 10 near the inner side is also provided with a guide surface so as to guide the clamping point 16 and the clamping groove 13 of the lock catch 11 on the guide frame to enter from the notch of the first connecting block 8 and the gap between the first connecting block 8 and the second connecting block 10, and the clamping groove 13 is matched and connected with the clamping strip 9.
As shown in fig. 3, 5, 6, 8 and 11, the utility model further comprises an upper frame latch 11, the upper frame latch 11 is connected with a door and window frame section bar 12, one side of the upper frame latch 11 is provided with a clamping groove 13, the clamping groove 13 is matched with the clamping strip 9 on the upper fan latch 5, and the top of the clamping groove 13 of the upper frame latch 11 is also provided with a clamping point 16. The side of the lock catch 11 on the frame is provided with a fixing hole 14 which is obliquely arranged, and a fixing screw 15 passes through the fixing hole 14 to be connected with the door and window frame section bar 12.
As shown in fig. 4, a groove is formed at the lower part of the fan upper fixing plate 1, the groove is matched with the rotating arm 6 of the fan upper lock catch 5, and limiting structures are arranged at two sides of the groove to limit the rotating arm 6 to rotate within a 90-degree range. The groove is internally provided with a penetrating rotating hole 3 which is matched and connected with the rotating hole 3 of the rotating arm 6 of the fan upper lock catch 5, so that the fan upper lock catch 5 can rotate along the rotating hole 3, the fan upper fixing plate 1 is also provided with a notch for accommodating the elastic body 4, the notch bulges towards the groove direction, and the elastic body 4 applies resilience force to the positioning surface 7 at the top of the rotating arm 6 of the fan upper lock catch 5.
As shown in fig. 8 and 9, when the door and window sash section bar 2 is opened horizontally or is turned inwards or is rotated, the sash upper lock catch 5 can be separated from the clamping groove 13 of the frame upper lock catch 11, so that the door and window sash section bar 2 is opened. When the door and window sash profile 2 is inverted and rotated, the top positioning surface 7 of the rotating arm 6 is in contact with the elastic body 4 in the sash fixing plate 1, so that friction force exists, and the sash lock catch 5 can keep a rotating angle state when being separated from the frame lock catch 11 and cannot hang down. As shown in fig. 10, 11 and 12, when the door needs to be closed in the inverted state of the door and window sash profile 2, the bottom of the door and window frame profile 12 is used as a rotating shaft to rotate the door and window sash profile 2, so that the upper sash lock catch 5 is close to the upper frame lock catch 11, the clamping point 16 and the clamping groove 13 of the upper frame lock catch 11 are guided to enter from the notch of the first connecting block 8 and the gap between the first connecting block 8 and the second connecting block 10 through the guiding surfaces of the inner bottoms of the first connecting block 8 and the second connecting block 10 of the upper sash lock catch 5, and the clamping strip 9 is clamped into the clamping groove 13, thereby completing the interlocking of the upper sash lock catch 5 and the upper frame lock catch 11 and resisting wind pressure.
As shown in fig. 8, when the door and window frame section bar 2 needs to be in a flat-open state, the side edge of the door and window frame section bar 12 is a rotating shaft to rotate the door and window frame section bar 2, so that the upper lock catch 5 is close to the upper lock catch 11, the clamping point 16 and the clamping groove 13 of the upper lock catch 11 of the guide frame enter from the notch of the first connecting block 8 and the gap between the first connecting block 8 and the second connecting block 10 through the transition inclined plane of the second connecting block 10 in the inner side direction, and the clamping strip 9 is clamped into the clamping groove 13, thereby the interlocking of the upper lock catch 5 and the upper lock catch 11 of the frame is completed, and the wind pressure is resisted.
The above description is only specific to the embodiments of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is skilled in the art to which the utility model pertains shall apply to the technical solution and the novel concept according to the utility model, and shall all be covered by the scope of the utility model.
Claims (7)
1. An internally opened and internally reversed back lock is characterized by comprising
The upper fan fixing plate is connected with the door and window sash section bar, a rotating hole is formed in the lower portion of the upper fan fixing plate, and an elastic body is arranged above the rotating hole;
the fan-shaped lock catch comprises a fan-shaped lock catch, wherein a rotating arm is arranged at the top of the fan-shaped lock catch, the rotating arm is connected with a rotating hole of a fan-shaped fixed plate in a matched mode, so that the rotating arm can rotate along the rotating hole, a positioning surface at the top of the rotating arm is in contact with an elastic body in the fan-shaped fixed plate, a first connecting block is arranged on one side of the fan-shaped lock catch, a clamping strip is arranged in the direction of the inner side of the first connecting block, a second connecting block is arranged on the other side of the fan-shaped lock catch, a gap is reserved between the second connecting block and the first connecting block, and a transition inclined plane is arranged in the direction of the inner side of the second connecting block;
the upper frame lock catch is connected with the door and window frame section bar, one side of the upper frame lock catch is provided with a clamping groove, and the clamping groove is matched with a clamping strip on the upper fan lock catch.
2. An inwardly opened back lock as set forth in claim 1, wherein said leaf fixing plate is provided with a fixing hole provided obliquely at a side surface thereof, and a fixing screw is passed through the fixing hole to be connected with the door and window leaf profile.
3. The inward opening and reverse back locking device as defined in claim 1, wherein the lower part of the upper fixing plate is provided with a groove, the groove is matched with the upper locking rotary arm, a through rotary hole is arranged in the groove and is matched and connected with the rotary hole of the upper locking rotary arm so that the upper locking rotary arm can rotate along the rotary hole, the upper fixing plate is also provided with a notch for accommodating an elastomer, the notch bulges towards the groove direction, and the elastomer applies a rebound force to a positioning surface at the top of the upper locking rotary arm.
4. An internally opened and internally backed lock as claimed in claim 3, wherein the recess is provided with a limit structure on both sides thereof to limit the rotation of the rotary arm within a range of 90 °.
5. An inwardly opened back lock as in claim 1, wherein said frame latch side has a diagonally disposed fixing hole through which a fixing screw is passed for connection to the door and window frame profile.
6. An internally opened and internally backed lock as defined in claim 1, wherein said locking slot on said frame has a locking point at the top thereof.
7. The internally opened and internally backed lock of claim 6, wherein the first connecting block has a notch at the bottom and an inward guiding surface, and the second connecting block has a guiding surface near the bottom of the inner side to guide the snap-in point and the snap-in groove of the lock catch on the frame to enter from the notch of the first connecting block and the gap between the first connecting block and the second connecting block, and to connect the snap-in groove with the snap-in strip in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893045.7U CN220469600U (en) | 2023-07-19 | 2023-07-19 | Inner-opening inner-reversing lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893045.7U CN220469600U (en) | 2023-07-19 | 2023-07-19 | Inner-opening inner-reversing lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220469600U true CN220469600U (en) | 2024-02-09 |
Family
ID=89800822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893045.7U Active CN220469600U (en) | 2023-07-19 | 2023-07-19 | Inner-opening inner-reversing lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220469600U (en) |
-
2023
- 2023-07-19 CN CN202321893045.7U patent/CN220469600U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |