Rolling invisible screen door

By designing support beams and transverse support beams in the concealed screen door, and using a double locking mechanism and elastic traction rope, the problems of traditional concealed screen doors being unable to be unlocked from the outside and the locks being prone to aging are solved, achieving both indoor and outdoor operation and improving locking strength.

CN224396378UActive Publication Date: 2026-06-23CHANGZHOU YIBO DOOR & WINDOW CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU YIBO DOOR & WINDOW CO LTD
Filing Date
2025-06-11
Publication Date
2026-06-23

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Abstract

The utility model relates to door and window building material field especially relates to back -volume invisible screen door, including support side crossbeam, the both ends of support side crossbeam insert cavity place horizontal insert with crossbeam connecting seat, the both sides crossbeam connecting seat all vertical installation has the horizontal support beam on, is provided with the winding unit on horizontal support beam, the both sides horizontal support beam between vertical sliding fit has the lock unit on its inner wall sliding groove, the utility model through setting realizes the indoor and outdoor double operating system of invisible screen door with first lock mechanism and second lock mechanism, supports indoor and outdoor flexible unlocking, and the locking device that sets up can prevent external forced opening, effectively improves security, the winding type winding screen net of winding unit effectively saves space, improves beautiful, convenient to use and easily clean, and the elastic traction rope synchronous traction both sides limit buckle that sets up simultaneously, realizes horizontal locking, plus the lock catch of bottom, effectively improves the horizontal locking of screen door bottom, improves locking strength.
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Description

Technical Field

[0001] This utility model relates to the field of door and window building materials technology, and in particular to a retractable invisible screen door. Background Technology

[0002] Invisible screen doors are screen windows with automatically retractable mesh, mainly used for ventilation and mosquito prevention. The frame is set horizontally on the door frame. When in use, the mesh is pulled out horizontally, and when not in use, the mesh automatically retracts into the mesh box, saving space and providing strong sealing. It uses a roller-type retractable mesh.

[0003] Traditional invisible screen doors only support unlocking from one side inside the room, and cannot be opened in an emergency from the outside. This means that they cannot be unlocked from both sides at the same time. In addition, the single latch structure is not very sturdy, and the latch is prone to aging and falling off after long-term use. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a retractable invisible screen door.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] The retractable screen door includes a supporting side beam. A beam connecting seat is horizontally inserted into the cavity at both ends of the supporting side beam. A transverse support beam is vertically installed on each of the beam connecting seats on both sides. A rewinding unit is provided on the transverse support beam. A locking unit is vertically slidably fitted between the two transverse support beams on their inner wall grooves. The locking unit includes a first locking mechanism, a second locking mechanism, a locking mounting beam, a latch mounting seat, and a limit latch.

[0007] The lock mounting beam has symmetrically inserted buckle mounting seats at both ends of the insertion cavity. The buckle mounting seats have sliding limit buckles. The front and rear surfaces of the lock mounting beam have symmetrically opened lock operation ports. The lock operation ports on both sides are respectively provided with a first lock mechanism and a second lock mechanism.

[0008] In addition, a preferred structure is that a latch mounting plate is installed in the middle of the upper surface of the support side beam, and a latch head is provided on the latch mounting plate for locking the locking unit.

[0009] The crossbeam connecting seat has a crossbeam locking block on one side for connecting to the supporting crossbeam. The crossbeam connecting seat also has a support beam locking block for installing the transverse support beam. The crossbeam connecting seat has a buckle groove on the block on one side of the support beam locking block. The buckle groove is used to lock the limiting buckle.

[0010] In addition, the preferred structure is that the winding unit includes a wire mesh box, with wire mesh box covers symmetrically installed at both ends of the wire mesh box, the bottom of the wire mesh box covers being installed on a transverse support beam, a return force adjustment accessory being rotatably arranged between the wire mesh box covers on both sides, a spring accessory being provided on the roller of the return force adjustment accessory, an invisible mesh being wound on the wire mesh tube, and a speed reduction box being provided on the wire mesh box cover located on one side.

[0011] The invisible mesh includes a mesh, one end of which is wound around a circular tube, and the other end is woven with a mesh connecting plate. The mesh connecting plate is used to connect to the lock unit. Limiting blocks are provided at both ends of the mesh connecting plate. The limiting blocks are used to lock onto the buckle mounting base. A through hole is provided above the limiting blocks on the mesh connecting plate.

[0012] The mesh is symmetrically provided with limiting edge sealing parts on both sides. The limiting edge sealing parts are used to be installed in the transverse support beam. The limiting edge sealing parts include multiple limiting teeth blocks evenly arranged on both sides of the mesh. Hot melt adhesive is provided on both sides of the connection between the mesh and the limiting teeth blocks.

[0013] The transverse support beam is provided with a limiting track in its inner cavity. The limiting track has a mesh limiting part mounting groove for installing the limiting tooth block. The mesh limiting part mounting groove is connected to a limiting slot for abutting the connection between the limiting tooth block and the mesh.

[0014] Furthermore, in a preferred configuration, the buckle mounting base has a sliding cavity laterally provided, a limit buckle is slidably fitted in the sliding cavity, the buckle mounting base is slidably fitted on the groove of the transverse support beam, the buckle mounting base has a limit slot for locking the limit block, and a fixing component mounting hole is provided above the limit slot on the buckle mounting base, the fixing component mounting hole is coaxial with the through hole.

[0015] Furthermore, in a preferred configuration, the limiting buckle includes a buckle connecting block, with a connecting block installed at one end and a buckle head at the other end. The buckle head is used to engage with the buckle slot. Symmetrical transverse through holes are provided on the buckle connecting block for attaching the elastic traction rope.

[0016] In addition, a preferred structure is that the first lock mechanism includes a first lock operation plate, a locking device, a latch assembly, a traction rope connecting plate, and a spring. The first lock operation plate is installed at the lock operation port, and the traction rope connecting plate is installed on the other side of the first lock operation plate away from the lock operation port. The latch assembly is slidably arranged between the first lock operation plate and the traction rope connecting plate.

[0017] The first lock operation plate has a latch operation port, and a rotating port is provided on one side of the latch operation port. A rotating cavity is provided on the back of the first lock operation plate located at the rotating port. A locking device is rotatably installed in the rotating cavity, and a limit slot is provided on the locking device.

[0018] Furthermore, in a preferred configuration, the traction rope connecting plate has a connection port, and a rotating shaft is provided on the side surface of the traction rope connecting plate away from the first lock operating plate. A traction rope winding disc is rotatably mounted on the rotating shaft, and an elastic traction rope connecting the two end limit buckles is wound on the traction rope winding disc. A spring placement groove is provided on the surface of the traction rope connecting plate located on the side of the connection port and facing the first lock operating plate. A spring is provided in the spring placement groove, and the spring is used for the lock assembly to reset.

[0019] In addition, a preferred structure is that the locking assembly includes a locking plate, a locking plate, and a second lock linkage plate. The locking plate and the second lock linkage plate are connected and installed together, and the locking plate is vertically installed between the locking plate and the second lock linkage plate. The locking plate is set to move laterally at the first lock operation plate, and the second lock linkage plate is set to move at the traction rope connection plate.

[0020] The locking plate is provided with an operating block, which is movable at the locking operation port. A limit block is provided horizontally on one end of the locking plate, and the limit block can be inserted into the limit slot.

[0021] Furthermore, in a preferred configuration, a second lock push block is provided on the surface of the second lock linkage plate near the second lock mechanism. The second lock push block is provided to slide laterally at the connection port. A traction rope fixing groove is provided on one side of the second lock push block. The traction rope fixing groove is used to fix the elastic traction rope that holds the limit buckles at both ends. A buck plate mounting groove for mounting the buck plate is provided in the middle of the second lock linkage plate. A spring pressure plate is provided at the other end of the second lock push block facing the second lock mechanism and away from the traction rope fixing groove. The spring pressure plate is provided to move in the spring placement groove.

[0022] The buckle plate is provided with a buckle plate mounting part for installation in the buckle plate mounting groove, and a buckle clip head is provided at the bottom of the buckle plate for locking the buckle head.

[0023] Furthermore, in a preferred configuration, the second lock mechanism includes a second lock operation plate, a second lock cover plate, and a first lock linkage plate. The second lock operation plate is located at the lock operation port on the other side away from where the first lock operation plate is located. The second lock cover plate is installed on the surface of the second lock operation plate facing the first lock operation plate. The first lock linkage plate is laterally slidably engaged between the second lock operation plate and the second lock cover plate.

[0024] The second operating plate has a toggle opening, the second lock cover plate has a sliding block opening, a sliding block is provided on one side surface of the first lock linkage plate, the sliding block is located in the sliding block opening to push the second lock push block, and a toggle block is provided on the other side surface of the first lock linkage plate away from the sliding block, the toggle block is located in the toggle opening and slides.

[0025] The beneficial effects of this utility model are as follows: This utility model realizes the indoor and outdoor dual operating system of the invisible screen door through the first and second locking mechanisms, supports flexible unlocking from both inside and outside, and the locking device can prevent forced opening from the outside, effectively improving security. The winding-type screen of the winding unit effectively saves space, improves aesthetics, ease of use and easy cleaning. At the same time, the elastic traction rope synchronously pulls the limit buckles on both sides to achieve horizontal locking. In addition, the bottom buckle head effectively improves the horizontal locking of the bottom of the screen door and increases the locking strength. Attached Figure Description

[0026] Figure 1 This is a structural diagram of a concealed screen door installed horizontally.

[0027] Figure 2 A schematic diagram of the structure after the side crossbeams, transverse support beams, and winding unit have been separated;

[0028] Figure 3 This is a schematic diagram of the structure after the beam connector is separated from the supporting beam and the transverse support beam.

[0029] Figure 4 This is a partially enlarged structural diagram of the middle section of the supporting side beam;

[0030] Figure 5 This is a schematic diagram of the structure of the wire mesh cage and its cover after disassembly.

[0031] Figure 6 This is a partially enlarged structural diagram of the mesh connecting plate without the limiting edge sealing part;

[0032] Figure 7 This is a schematic diagram of the structure after the winding unit has been disassembled;

[0033] Figure 8 This is a schematic diagram of the disassembled lock unit.

[0034] Figure 9 This is a schematic diagram of the disassembled structure of the buckle mounting base and the limit buckle.

[0035] Figure 10 This is a schematic diagram of the limit buckle structure;

[0036] Figure 11 This is a structural diagram of the snap-fit ​​mounting base;

[0037] Figure 12 This is a schematic diagram of the limiting slot structure;

[0038] Figure 13 This is a schematic diagram of the structure after the first locking mechanism and the second locking mechanism are separated.

[0039] Figure 14 This is a schematic diagram of the disassembled second locking mechanism;

[0040] Figure 15 This is a schematic diagram of the structure of the first lock linkage plate;

[0041] Figure 16 This is a schematic diagram of the structure of the second lock operation panel;

[0042] Figure 17 A schematic diagram of the first locking mechanism connecting the limit buckles on both sides via an elastic traction rope;

[0043] Figure 18 This is a schematic diagram of the disassembled first lock mechanism.

[0044] Figure 19 This is a schematic diagram of the structure of the first lock operation panel;

[0045] Figure 20 This is a schematic diagram of the structure of the traction rope connecting plate;

[0046] Figure 21 This is a schematic diagram of the disassembled locking assembly;

[0047] Figure 22 A schematic diagram of a structure in which the limiting edge sealing part is installed inside a transverse support beam;

[0048] Figure 23 This is a schematic diagram of the structure after the limiting edge sealing part has been disassembled.

[0049] In the diagram: 01 Supporting side beam, 011 Locking plate, 012 Locking head, 02 Transverse support beam, 021 Limiting track, 0211 Limiting slot, 0212 Mesh limiting mounting groove, 03 Rewinding unit, 031 Mesh box, 032 Mesh box cover, 033 Spring accessories, 034 Return force adjustment accessories, 035 Mesh rolling tube, 036 Gearbox, 04 Locking unit, 05 Invisible mesh, 051 Mesh, 052 Mesh connecting plate 0521 Limiting block, 0522 Through hole, 053 Limiting edge sealing part, 0531 Limiting tooth block, 0532 Hot melt adhesive edge sealing, 06 Crossbeam connecting seat, 061 Crossbeam locking block, 062 Support beam locking block, 063 Buckle slot, 1 First lock mechanism, 11 First lock operation plate, 111 Lock operation port, 112 Rotation port, 113 Rotation cavity, 12 Locking device, 121 Limiting slot, 13 Lock assembly, 131 Locking plate, 1311 Operating block, 1312 Limiting block, 132 Locking plate, 1321 Locking clip head, 1322 Locking plate mounting part, 133 Second lock linkage plate, 1331 Traction rope fixing groove, 1332 Second lock push block, 1333 Spring pressure plate, 1334 Locking plate mounting groove, 14 Traction rope connecting plate, 141 Connecting port, 142 Rotating shaft, 143 Traction rope winding disc, 144 Spring placement groove, 15 Spring, 2 Second lock 21 Second lock operating plate, 211 Toggle port, 22 Second lock cover plate, 221 Sliding block movable port, 23 First lock linkage plate, 231 Sliding block, 232 Toggle block, 3 Lock mounting beam, 31 Lock operating port, 4 Buckle mounting base, 41 Sliding cavity, 42 Limiting slot, 43 Fixing component mounting hole, 5 Limiting buckle, 51 Buckle head, 52 Connecting block, 53 Buckle connecting block, 54 Through hole, 6 Elastic traction rope. Detailed Implementation

[0050] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0051] Reference Figure 1-23The retractable invisible screen door includes a supporting side beam 01. A beam connecting seat 06 is horizontally inserted into the cavity at both ends of the supporting side beam 01. A transverse support beam 02 is vertically installed on each of the beam connecting seats 06 on both sides. A rewinding unit 03 is installed on the transverse support beam 02. A locking unit 04 is vertically slidably fitted between the transverse support beams 02 on their inner wall grooves. The locking unit 04 includes a first locking mechanism 1, a second locking mechanism 2, a locking mounting beam 3, a latch mounting seat 4, and a limiting latch 5. A latch mounting seat 4 is symmetrically inserted into the cavity at both ends of the locking mounting beam 3. A limiting latch 5 is slidably fitted on the latch mounting seat 4. Lock operation ports 31 are symmetrically opened on the front and rear surfaces of the locking mounting beam 3. The first locking mechanism 1 and the second locking mechanism 2 are respectively installed on the lock operation ports 31 on both sides. The first locking mechanism 1 and the second locking mechanism 2 can enable the screen door to be opened under different conditions, both inside and outside.

[0052] In addition, a latch mounting plate 011 is installed in the middle of the upper surface of the support side beam 01, and a latch head 012 is provided on the latch mounting plate 011. The latch head 012 is used to lock the lock unit 04.

[0053] Furthermore, a beam locking block 061 for connecting to the support beam 01 is provided on one side of the beam connecting seat 06, and a support beam locking block 062 for installing the transverse support beam 02 is vertically provided on the beam connecting seat 06. A buckle groove 063 is provided on the block on one side of the support beam locking block 062 on the beam connecting seat 06. The buckle groove 063 is used to lock the limit buckle 5. The buckle groove 063 locks the limit buckle 5, thereby improving the firmness of the lock unit 04.

[0054] Meanwhile, the winding unit 03 includes a wire mesh box 031, with wire mesh box covers 032 symmetrically installed at both ends of the wire mesh box 031. The bottom of the wire mesh box covers 032 is installed on the transverse support beam 02. A return force adjustment accessory 034 is rotatably arranged between the wire mesh box covers 032 on both sides. A spring accessory 033 is provided on the roller of the return force adjustment accessory 034. An invisible mesh 05 is wound on the wire mesh winding tube 035. A reduction gearbox 036 is provided on the wire mesh box cover 032 on one side. The invisible mesh 05 includes a mesh 05 1. One end of the mesh 051 is wound around the round tube 035, and the other end is woven with a mesh connecting plate 052. The mesh connecting plate 052 is used to connect to the lock unit 04. Limiting blocks 0521 are provided at both ends of the mesh connecting plate 052. The limiting blocks 0521 are used to lock onto the buckle mounting base 4. The mesh connecting plate 052 has a through hole 0522 above the limiting blocks 0521. The mesh 051 is used to block mosquitoes from entering while ensuring ventilation.

[0055] Furthermore, symmetrical limiting sealing portions 053 are provided on both sides of the mesh 051. The limiting sealing portions 053 are used for installation inside the transverse support beam 02. The limiting sealing portions 053 include multiple limiting teeth 0531 evenly arranged on both sides of the mesh 051. Hot melt adhesive sealing 0532 is provided on both sides of the connection between the mesh 051 and the limiting teeth 0531. A limiting track 021 is provided inside the transverse support beam 021, and a mesh for installing the limiting teeth 0531 is opened in the limiting track 021. The limiting part mounting groove 0212 is provided with a limiting slot 0211 for abutting the limiting tooth block 0531 at the connection with the mesh 051. Multiple limiting teeth blocks 0531 with a width wider than the mesh 051 are provided on both sides of the mesh 051, and the connection between them and the mesh 051 is ensured by hot melt adhesive sealing 0532. At the same time, the limiting track 021 is provided to easily lock the limiting sealing part 053, thereby achieving better stability of the movement trajectory when the mesh 051 is rolled up and pulled out.

[0056] In addition, a sliding cavity 41 is provided laterally on the buckle mounting base 4, and a limiting buckle 5 is slidably fitted at the sliding cavity 41. The buckle mounting base 4 is slidably fitted on the sliding groove of the transverse support beam 02. A limiting groove 42 is provided on the buckle mounting base 4 to lock the limiting block 0521. A fixing component mounting hole 43 is provided above the limiting groove 42 on the buckle mounting base 4. The fixing component mounting hole 43 is coaxial with the through hole 0522. The limiting buckle 5 includes a buckle connecting block 53. A connecting block 52 is installed at one end of the buckle connecting block 53, and a buckle head 51 is provided at the other end. The buckle head 51 is used to lock into the buckle groove 063. A through hole 54 is symmetrically and transversely provided on the buckle connecting block 53. The through hole 54 is used for binding the elastic traction rope 6. The elastic traction rope 6 can pull the buckle connecting blocks 53 on both sides at the same time, thereby realizing the synchronous movement of the buckle connecting blocks 53 on both sides.

[0057] Meanwhile, the first lock mechanism 1 includes a first lock operation plate 11, a locking device 12, a locking assembly 13, a traction rope connecting plate 14, and a spring 15. The first lock operation plate 11 is installed at the lock operation port 31. The traction rope connecting plate 14 is installed on the other side of the first lock operation plate 11 away from the lock operation port 31. The locking assembly 13 is slidably arranged between the first lock operation plate 11 and the traction rope connecting plate 14. The first lock operation plate 11 has a locking operation port 111. A rotating port 112 is opened on one side of the locking operation port 111. A rotating cavity 113 is provided on the back of the first lock operation plate 11 located at the rotating port 112. The locking device 12 is rotatably arranged at the rotating cavity 113. A limit slot 121 is provided on the locking device 12.

[0058] Furthermore, the traction rope connecting plate 14 has a connection port 141. A rotating shaft 142 is provided on the side surface of the traction rope connecting plate 14 away from the first lock operating plate 11. A traction rope winding disc 143 is rotatably mounted on the rotating shaft 142. An elastic traction rope 6 connecting the two end limit buckles 5 is wound on the traction rope winding disc 143. A spring placement groove 144 is provided on the surface of the traction rope connecting plate 14 on the side of the connection port 141 facing the first lock operating plate 11. A spring 15 is provided in the spring placement groove 144. The spring 15 is used for the lock assembly 13 to reset.

[0059] The locking assembly 13 includes a locking plate 131, a locking plate 132, and a second lock linkage plate 133. The locking plate 131 is connected and installed with the second lock linkage plate 133, and the locking plate 132 is vertically installed between the locking plate 131 and the second lock linkage plate 133. The locking plate 131 is positioned at the first lock operation plate 11 and moves laterally. The second lock linkage plate 133 is positioned at the traction rope connection plate 14 and moves. An operation block 1311 is provided on the locking plate 131 and moves at the lock operation port 111. A limit plug 1312 is provided laterally on one end of the locking plate 131. The limit plug 1312 can be inserted into the limit slot 121. When the locking device 12 is locked, the limit plug 1312 cannot move into the limit slot 121.

[0060] Furthermore, a second lock push block 1332 is provided on the surface of the second lock linkage plate 133 near the second lock mechanism 2. The second lock push block 1332 is positioned at the connection port 141 and slides laterally. A traction rope fixing groove 1331 is provided on one side of the second lock push block 1332. The traction rope fixing groove 1331 is used to fix the elastic traction rope 6 that pulls the limit buckles 5 at both ends. A lock buckle plate mounting plate 132 is provided in the middle of the second lock linkage plate 133. A spring pressure plate 1333 is provided at the other end of the second lock push block 1332 facing the second lock mechanism 2 and away from the traction rope fixing groove 1331. The spring pressure plate 1333 is movable at the spring placement groove 144. The lock plate 132 is provided with a lock plate mounting part 1322 for installation in the lock plate mounting groove 1334. The bottom of the lock plate 132 is provided with a lock buckle head 1321 for locking the lock head 012.

[0061] The second lock mechanism 2 includes a second lock operation plate 21, a second lock cover plate 22, and a first lock linkage plate 23. The second lock operation plate 21 is located at the lock operation port 31 on the other side away from the first lock operation plate 11. The second lock cover plate 22 is installed on the surface of the second lock operation plate 21 facing the first lock operation plate 11. The first lock linkage plate 23 is laterally slidably engaged between the second lock operation plate 21 and the second lock cover plate 22. The second operation plate 21 has a toggle port 211, and the second lock cover plate 22 has a sliding block movement port 221. A sliding block 231 is provided on one side surface of the first lock linkage plate 23. The sliding block 231 is located in the sliding block movement port 221 and is used to push the second lock push block 1332. A toggle block 232 is provided on the other side surface of the first lock linkage plate 23 away from the sliding block 231. The toggle block 232 is located in the toggle port 211 and slides.

[0062] In this embodiment, the invisible screen door is installed horizontally in the building. When the invisible screen 05 of the invisible screen door is pulled and rolled up horizontally, the screen 051 is automatically rolled up by the rolling tube 035 in conjunction with the spring accessory 033 and the return adjustment accessory 034. The invisible screen door adopts the automatic rolling working principle of the roller screen window. Automatic rolling is well known to those skilled in the art, so there is no need to elaborate further.

[0063] The lock unit 04 of this utility model can fix the state of the screen 051 after the screen 051 is pulled horizontally, and lock the lock mounting beam 3 at the bottom. Firstly, the lock unit 04 of the screen door is provided on two sides. The first lock mechanism 1 is located inside, while the second lock mechanism 2 is located outside. The first lock mechanism 1 inside has a locking function, so that it cannot be unlocked from the outside through the second lock mechanism 2 under special circumstances.

[0064] When using the first locking mechanism 1 to unlock, the operator first releases the locking state of the locking device 12, rotates the locking device 12, so that the limiting block 1312 can move into the limiting slot 121, thereby ensuring that the entire locking assembly 13 can move. The operator pulls the operating block 1311 through the locking operating port 111, thereby causing the operating block 1311 to move the locking plate 132 laterally, thereby moving the locking head 1321, which was originally stuck at the locking head 012, out laterally. At the same time as the operating block 1311 moves laterally, it will drive the movement of the traction rope fixing groove 1331. The traction rope fixing groove 1331 pulls the elastic traction rope 6 wound on the traction rope reel 143, thereby driving the limiting buckles 5 on both sides to move in the sliding cavity 41 of the buckle mounting seat 4.

[0065] After the limit buckles 5 on both sides move, the buckle heads 51 on both sides retract and move closer together. The buckle heads 51 disengage from the buckle slots 063. When the second locking linkage plate 133 moves, it will simultaneously drive the spring 15 in the spring placement slot 144 to retract. The spring 15 can easily reset the locking assembly 13 without external pressure. At the same time, when the second lock push block 1332 resets, it will drive the sliding block 231 on the other side to move.

[0066] Furthermore, when unlocking via the second lock mechanism 2 on the other side, the sliding block 232 also drives the sliding block 231 to push the second lock push block 1332 to move, so that the sliding block 232 can also drive the entire lock assembly 13 to move and unlock.

[0067] However, when the locking device 12 is rotated, causing the limiting slot 121 to misalign with the limiting block 1312, the limiting block 1312 cannot be inserted into the limiting slot 121, resulting in the locking assembly 13 being unable to move laterally. This means that after the internal locking device 12 is locked, it cannot be unlocked by the external lever 232. After both the limiting buckle 5 and the locking buckle head 1321 are unlocked, the lock mounting beam 3 can be moved to roll up the mesh 051.

[0068] In this invention, the first locking mechanism 1 and the second locking mechanism 2 enable a dual indoor and outdoor operating system for the concealed screen door, supporting flexible unlocking from both inside and outside. The locking device 12 prevents forced opening from the outside, effectively improving security. The winding screen 052 of the winding unit 03 effectively saves space, improves aesthetics, ease of use, and cleaning. Simultaneously, the elastic traction rope 6 synchronously pulls the limit buckles 5 on both sides, achieving lateral locking. Furthermore, the bottom locking buckle head 1321 effectively enhances the horizontal locking of the screen door's bottom, increasing locking strength.

[0069] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A retractable concealed screen door, including a supporting side beam (01), characterized in that, The two ends of the support beam (01) are horizontally inserted with beam connecting seats (06), and the beam connecting seats (06) on both sides are vertically installed with transverse support beams (02). The transverse support beams (02) are provided with winding units (03). The transverse support beams (02) on both sides are vertically slidably fitted with lock units (04) on their inner wall grooves. The lock unit (04) includes a first lock mechanism (1), a second lock mechanism (2), a lock mounting beam (3), a buckle mounting seat (4), and a limit buckle (5). The lock mounting beam (3) has symmetrically inserted buckle mounting seats (4) at both ends of the insertion cavity. The buckle mounting seats (4) are slidably fitted with limit buckles (5). The front and rear surfaces of the lock mounting beam (3) are symmetrically provided with lock operation ports (31). The lock operation ports (31) on both sides are respectively provided with a first lock mechanism (1) and a second lock mechanism (2).

2. The retractable concealed screen door according to claim 1, characterized in that, A latch mounting plate (011) is installed in the middle of the upper surface of the support side beam (01), and a latch head (012) is provided on the latch mounting plate (011). The latch head (012) is used to lock the lock unit (04). The beam connecting seat (06) is provided with a beam locking block (061) on one side for connecting to the supporting beam (01). The beam connecting seat (06) is provided with a support beam locking block (062) for installing the transverse support beam (02). The beam connecting seat (06) is provided with a buckle groove (063) on the block located on one side of the support beam locking block (062). The buckle groove (063) is used to lock the limiting buckle (5).

3. The retractable concealed screen door according to claim 1, characterized in that, The winding unit (03) includes a wire mesh box (031), with wire mesh box covers (032) symmetrically installed at both ends of the wire mesh box (031). The bottom of the wire mesh box cover (032) is installed on the transverse support beam (02). A return force adjustment accessory (034) is rotatably arranged between the wire mesh box covers (032) on both sides. A spring accessory (033) is provided on the roller of the return force adjustment accessory (034), and an invisible mesh (05) is wound on the wire mesh tube (035). A speed reduction box (036) is provided on the wire mesh box cover (032) on one side. The invisible mesh (05) includes a mesh (051), one end of which is wound around a circular mesh tube (035), and the other end is woven with a mesh connecting plate (052). The mesh connecting plate (052) is used to connect to the lock unit (04). Limiting blocks (0521) are provided at both ends of the mesh connecting plate (052). The limiting blocks (0521) are used to lock onto the buckle mounting base (4). A through hole (0522) is provided above the limiting blocks (0521) of the mesh connecting plate (052). The mesh (051) is symmetrically provided with limiting edge sealing parts (053) on both sides. The limiting edge sealing parts (053) are used to be installed in the transverse support beam (02). The limiting edge sealing parts (053) include multiple limiting teeth (0531) evenly arranged on both sides of the mesh (051). Hot melt adhesive sealing (0532) is provided on both sides of the connection between the mesh (051) and the limiting teeth (0531). The transverse support beam (02) is provided with a limiting track (021) in its inner cavity. The limiting track (021) is provided with a mesh limiting part mounting groove (0212) for installing the limiting tooth block (0531). The mesh limiting part mounting groove (0212) is connected to a limiting slot (0211) for abutting the connection between the limiting tooth block (0531) and the mesh (051).

4. The retractable concealed screen door according to claim 3, characterized in that, The buckle mounting base (4) has a sliding cavity (41) on its side, and a limit buckle (5) is slidably fitted at the sliding cavity (41). The buckle mounting base (4) is slidably fitted on the groove of the horizontal support beam (02). The buckle mounting base (4) has a limit groove (42) for locking the limit block (0521). The buckle mounting base (4) has a fixing component mounting hole (43) above the limit groove (42). The fixing component mounting hole (43) is coaxial with the through hole (0522).

5. The retractable concealed screen door according to claim 4, characterized in that, The limiting buckle (5) includes a buckle connecting block (53). One end of the buckle connecting block (53) is equipped with a connecting block (52), and the other end is provided with a buckle head (51). The buckle head (51) is used to snap into the buckle slot (063). The buckle connecting block (53) is symmetrically and transversely provided with through holes (54), which are used for binding the elastic traction rope (6).

6. The retractable concealed screen door according to claim 1, characterized in that, The first lock mechanism (1) includes a first lock operation plate (11), a locking device (12), a locking assembly (13), a traction rope connecting plate (14), and a spring (15). The first lock operation plate (11) is installed at the lock operation port (31). The traction rope connecting plate (14) is installed on the other side of the first lock operation plate (11) away from the lock operation port (31). The locking assembly (13) is slidably arranged between the first lock operation plate (11) and the traction rope connecting plate (14). The first lock operation plate (11) has a latch operation port (111), and a rotating port (112) is provided on one side of the latch operation port (111). A rotating cavity (113) is provided on the back of the rotating port (112) of the first lock operation plate (11). A locking device (12) is rotatably provided at the rotating cavity (113). A limit slot (121) is provided on the locking device (12).

7. The retractable concealed screen door according to claim 6, characterized in that, The traction rope connecting plate (14) has a connection port (141). A rotating shaft (142) is provided on the side of the traction rope connecting plate (14) away from the first lock operating plate (11). A traction rope winding disc (143) is rotatably provided on the rotating shaft (142). An elastic traction rope (6) connecting the two end limit buckles (5) is wound on the traction rope winding disc (143). A spring placement groove (144) is provided on the surface of the traction rope connecting plate (144) located on the side of the connection port (141) and facing the first lock operating plate (11). A spring (15) is provided in the spring placement groove (144). The spring (15) is used to reset the lock assembly (13).

8. The retractable concealed screen door according to claim 7, characterized in that, The locking assembly (13) includes a locking plate (131), a locking plate (132), and a second lock linkage plate (133). The locking plate (131) and the second lock linkage plate (133) are connected and installed together, and the locking plate (132) is vertically installed between the locking plate (131) and the second lock linkage plate (133). The locking plate (131) is set at the first lock operation plate (11) and moves laterally. The second lock linkage plate (133) is set at the traction rope connection plate (14) and moves. An operating block (1311) is provided on the locking plate (131). The operating block (1311) is located at the locking operation port (111) and a limit plug (1312) is provided horizontally on one end of the locking plate (131). The limit plug (1312) can be inserted into the limit slot (121).

9. The retractable concealed screen door according to claim 8, characterized in that, A second lock push block (1332) is provided on the surface of the second lock linkage plate (133) near the second lock mechanism (2). The second lock push block (1332) is provided to slide laterally at the connection port (141). A traction rope fixing groove (1331) is provided on one side of the second lock push block (1332). The traction rope fixing groove (1331) is used to fix the elastic traction rope (6) that pulls the two end limit buckles (5). A lock plate mounting groove (1334) for installing the lock plate (132) is opened in the middle of the second lock linkage plate (133). A spring pressure plate (1333) is provided at the other end of the second lock push block (1332) facing the second lock mechanism (2) and away from the traction rope fixing groove (1331). The spring pressure plate (1333) is provided to move in the spring placement groove (144). The latch plate (132) is provided with a latch plate mounting part (1322) for mounting in the latch plate mounting groove (1334), and a latch head (1321) is provided at the bottom of the latch plate (132) for locking the latch head (012).

10. The retractable concealed screen door according to claim 9, characterized in that, The second lock mechanism (2) includes a second lock operation plate (21), a second lock cover plate (22), and a first lock linkage plate (23). The second lock operation plate (21) is located at the lock operation port (31) on the other side away from the first lock operation plate (11). The second lock cover plate (22) is installed on the side surface of the second lock operation plate (21) facing the first lock operation plate (11). The first lock linkage plate (23) is laterally slidably engaged between the second lock operation plate (21) and the second lock cover plate (22). The second operating plate (21) has a toggle opening (211), the second lock cover plate (22) has a sliding block opening (221), a sliding block (231) is provided on one side surface of the first lock linkage plate (23), the sliding block (231) is provided in the sliding block opening (221) to push the second lock push block (1332), and a toggle block (232) is provided on the other side surface of the first lock linkage plate (23) away from the sliding block (231), the toggle block (232) is provided in the toggle opening (211) to slide.