Transmission system and window

Abstract

The application provides a transmission system and a window body. The transmission system comprises an upper transmission device and a lower transmission device. The upper transmission device realizes the pulling and tilting of the upper edge of a window sash. An upper sliding self-locking mechanism controls the translation of an upper sliding frame and the opening and closing of an upper swing arm transmission mechanism to ensure that the window sash does not tilt when it translates and that the window sash does not translate when it tilts. The lower transmission device realizes the pulling and translation of the lower edge of the window sash. A lower sliding self-locking mechanism controls the translation of a lower sliding frame and the opening and closing of a first lower load-bearing transmission mechanism to further ensure that the window sash does not tilt when it translates and that the window sash does not translate when it tilts. The first lower load-bearing transmission mechanism and the second lower load-bearing transmission mechanism are respectively connected to the side of a window frame. The transmission can be normally realized, and sufficient space can be provided for the arrangement of load-bearing shafts. The load-bearing quality of the door and window can be effectively improved, and the transmission demand of heavy doors and windows can be met.

Description

Technical Field

[0001] This invention belongs to the technical field of building doors and windows, and particularly relates to a transmission system and a window. Background Technology

[0002] A tilt-and-turn window is a type of window that can be opened by sliding and then tilted inward (i.e., top-hung) to open and close. It saves space while still providing ventilation. The window frame of a tilt-and-turn window has a track; after the window sash is pushed out of the frame, it can slide laterally along the track to achieve the sliding opening effect. Currently, tilt-and-turn windows typically have hinges installed on the bottom surface of the door or window. To increase load-bearing capacity, a load-bearing shaft structure is added to the hinge. However, due to limited space at the bottom of the door or window, the thickness of the load-bearing shaft structure is limited, so the load-bearing capacity of this type of hinge is not adequate for the installation and use of heavy-duty doors and windows. Summary of the Invention

[0003] The purpose of this invention is to provide a transmission system to meet the transmission requirements of heavy sliding and tilting windows.

[0004] The first aspect of the present invention discloses a transmission system comprising: The upper transmission device includes an upper sliding frame, an upper swing arm transmission mechanism, and an upper sliding self-locking mechanism. The upper sliding frame slides within the top guide rail of the window frame. One end of the upper transmission hinge is connected to the upper sliding self-locking mechanism, and the other end of the upper transmission hinge is connected to the upper part of the window sash. The upper sliding self-locking mechanism is located between the window frame and the upper sliding frame and is used to control the translation of the upper sliding frame and the opening and closing of the upper swing arm transmission mechanism. The lower transmission device includes a lower sliding frame, a first lower load-bearing transmission mechanism, a second lower load-bearing transmission mechanism, and a lower sliding self-locking mechanism. The lower sliding frame slides within the bottom guide rail of the window frame. One end of the first lower load-bearing transmission mechanism and one end of the second lower load-bearing transmission mechanism are respectively connected to the lower sliding frame. The other end of the first lower load-bearing transmission mechanism is connected to one side of the window frame, and the other end of the second lower load-bearing transmission mechanism is connected to the other side of the window frame. The lower sliding self-locking mechanism is connected between the lower sliding frame and the window frame and is used to control the translation of the lower sliding frame and the opening and closing of the first lower load-bearing transmission mechanism.

[0005] Preferably, the upper swing arm transmission mechanism includes a transmission connecting frame, a swing arm assembly, a transmission assembly, and a locking assembly. The transmission connecting frame includes a first transmission seat and a second transmission seat, which are respectively fixed to the vertical sides of the window sash. One end of the swing arm assembly is rotatably connected to the first transmission seat, and the other end of the swing arm assembly is connected to the upper sliding frame. The transmission assembly is connected to the operating handle and passes through the first and second transmission seats. The locking assembly includes a first locking member and a second locking member. The first locking member is fixed to the swing arm assembly, and the second locking member is fixed to the transmission assembly and slides within the first transmission seat. When the first locking member and the second locking member are matched, the first locking member cannot move, and the swing arm assembly is locked.

[0006] Preferably, the swing arm assembly includes a primary swing arm, a secondary swing arm, a secondary auxiliary swing arm, and a secondary auxiliary rotating shaft. One end of the primary swing arm is rotatably connected to the upper sliding frame, and the other end of the primary swing arm is rotatably connected to one end of the secondary swing arm. The other end of the secondary swing arm is connected to the first transmission seat, and the first locking member is disposed on the secondary swing arm. One end of the secondary auxiliary swing arm is rotatably connected to the first transmission seat, and the other end of the secondary auxiliary swing arm is provided with a locking member sliding groove. One end of the secondary auxiliary rotating shaft is rotatably connected to the secondary swing arm, and the other end of the secondary auxiliary rotating shaft slides within the locking member sliding groove.

[0007] Preferably, the upper sliding self-locking mechanism includes an upper self-locking component and an upper limit component; the upper limit component is fixed to the window frame, the upper self-locking component is rotatably connected to the upper sliding frame, and the upper self-locking component is provided with a first end, a second end and a third end; The second end is used to contact the other end of the swing arm assembly, so that the other end of the swing arm assembly can rotate. The first end is engaged with the upper limit component, and the upper sliding bracket is limited to the slide rail of the window frame. The third end is used to abut against one end of the swing arm assembly, so that one end of the swing arm assembly cannot rotate. The first end is disengaged from the upper limit component, and the upper sliding bracket can slide within the slide rail of the window frame.

[0008] Preferably, the first end is provided with a first locking part, and the upper limit component is provided with a second locking part; when the second end contacts one end of the swing arm component, the first locking part and the second locking part match, so that the upper self-locking component and the upper limit component are relatively fixed. The second end is provided with a first arc-shaped contact portion, and one end of the swing arm assembly is provided with a second arc-shaped contact portion. The first arc-shaped contact portion contacts the second arc-shaped contact portion, so that when the swing arm assembly can rotate, the upper self-locking assembly cannot rotate. The third end is provided with a first abutting part, and one end of the swing arm assembly is provided with a second abutting part. When the second end is disengaged from one end of the swing arm assembly, the upper self-locking assembly rotates, causing the first abutting part to abut against the second abutting part. After this, the upper self-locking assembly stops rotating, and the swing arm assembly cannot rotate.

[0009] Preferably, the lower sliding frame includes a first lower sliding frame and a second lower sliding frame. The first lower load-bearing transmission mechanism includes a first transmission hinge and a first load-bearing component. The second lower load-bearing transmission mechanism includes a second transmission hinge and a second load-bearing component. The first lower sliding frame and the second lower sliding frame are slidably connected to the guide rail of the window frame. One end of the first transmission hinge is rotatably connected to the first lower sliding frame, and the other end of the first transmission hinge is rotatably connected to the first load-bearing component. One end of the second transmission hinge is rotatably connected to the second lower sliding frame, and the other end of the second transmission hinge is rotatably connected to the second load-bearing component. The first load-bearing component is fixedly connected to one side of the window sash, and the second load-bearing component is fixedly connected to the other side of the window sash. When the window sash is opened or closed, the rotation direction of the first transmission hinge is opposite to that of the second transmission hinge, and the rotation angle and rotation distance of the first transmission hinge are equal to those of the second transmission hinge.

[0010] Preferably, the first lower load-bearing transmission mechanism further includes a linkage hinge, one end of which is rotatably connected to the first lower sliding frame, and the other end of which is rotatably connected to the window sash. The linkage hinge is used to cooperate with the first transmission hinge to open the window sash in parallel. The linkage hinge includes a linkage swing arm and a linkage fixing block. One end of the linkage swing arm is rotatably connected to the first lower sliding frame, and the other end of the linkage swing arm is rotatably connected to the linkage fixing block. The linkage fixing block is fixedly connected to the bottom surface of the window sash.

[0011] Preferably, the lower sliding self-locking mechanism includes a lower self-locking component and a lower limiting component. The lower self-locking component is rotatably connected to the first lower sliding frame. The self-locking component is rotatably connected to the first lower sliding frame. One end of the first transmission hinge is provided with a sliding part. The lower self-locking component is provided with a self-locking part that aligns with or abuts against the sliding part and a limiting part that engages with the lower limiting component. When the sliding part is aligned with the self-locking part, one end of the first lower transmission hinge can slide on the first lower sliding frame, the lower self-locking component is fixed to the first lower sliding frame, the limiting part is engaged with the lower limiting component, and the first lower sliding frame is limited to the slide rail of the window frame. When the sliding part abuts against the self-locking part, one end of the first transmission hinge is fixed to the first lower sliding frame, the lower self-locking component can rotate, causing the limiting part to disengage from the lower limiting component, and the first lower sliding frame can slide within the slide rail of the window frame.

[0012] Preferably, the sliding part includes a sliding wall and a supporting wall, and the self-locking part is provided with a locking protrusion; when the locking protrusion is aligned with the sliding wall, the sliding wall can slide parallel to the locking protrusion, so that one end of the first transmission hinge can slide; when the locking protrusion rotates to be in contact with the supporting wall, the lower self-locking component can rotate, and one end of the first transmission hinge is locked. The lower limit component is provided with a snap-fit ​​part adapted to the limiting part. The limiting part is a snap hook or a snap groove. The snap-fit ​​part is a snap groove or a snap hook corresponding to the limiting part. The groove opening width is greater than the snap hook width, so that the snap hook can disengage from the snap groove when the lower self-locking component rotates.

[0013] Preferably, the transmission system further includes a locking transmission mechanism, which includes a transmission lock head structure, a window sash closing lock seat, and a window sash inner locking seat; the transmission lock head structure, the window sash closing lock seat, and the window sash inner locking seat do not contact the first lower load-bearing transmission mechanism and the second lower load-bearing transmission mechanism; the transmission lock head structure is used to enter the window sash closing lock seat to lock the window sash to the window frame, and the transmission lock head structure is also used to enter the window sash inner locking seat so that the top edge or the bottom surface of the window sash can tilt inwards towards the window frame; The window sash closing lock seat and the window sash inner locking seat are both fixed to the top side wall or the bottom side wall of the window frame, and the transmission lock head structure is slidably connected to the top surface or the bottom surface of the corresponding window sash; and / or, the transmission lock head structure is fixed to the top side wall or the bottom side wall of the window frame, and the window sash closing lock seat and the window sash inner locking seat are both slidably connected to the top surface or the bottom surface of the corresponding window sash.

[0014] A second aspect of the present invention also discloses a window, including a window frame, a window sash, an operating handle, and the aforementioned transmission system, wherein the transmission system is disposed between the window frame and the window sash and is throttle-connected to the operating handle.

[0015] The beneficial effects of this invention are as follows: In this design, the upper transmission device in the transmission system enables the window sash to tilt inwards and slide horizontally along its upper edge. The upper sliding self-locking mechanism controls the translation of the upper sliding frame and the opening and closing of the upper swing arm transmission mechanism to ensure that the window sash does not slide horizontally during tilting inwards or tilt horizontally during sliding, preventing accidental operation. The lower transmission device enables the window sash to slide horizontally along its lower edge. The lower sliding self-locking mechanism further ensures that the window sash does not slide horizontally during tilting inwards or tilt horizontally during sliding by controlling the translation of the lower sliding frame and the opening and closing of the first lower load-bearing transmission mechanism. The first and second lower load-bearing transmission mechanisms are connected to the sides of the window frame, ensuring normal transmission while providing sufficient space for the installation of load-bearing shafts, effectively improving the load-bearing capacity of the doors and windows and meeting the transmission requirements of heavy-duty doors and windows. The window in this design is a tilt-and-turn window. After the locking structure between the window sash and the window frame is unlocked by the control handle, the control handle further controls the upper and lower transmission devices to put the window sash into a tilt-and-turn or tilt-and-turn state, thereby controlling the tilt-and-turn or tilt-and-turn of the window sash. Attached Figure Description

[0016] Figure 1 A schematic diagram of the inverted state within the form; Figure 2 A schematic diagram of the structure in the state of window translation; Figure 3 This is a schematic diagram of the transmission system from the first angle. Figure 4 This is a schematic diagram of the second angle structure of the transmission system; Figure 5 This is a schematic diagram of the swing arm transmission device in the extended state. Figure 6 This is a schematic diagram of the first closed state of the swing arm transmission device. Figure 7 for Figure 6 A schematic diagram of the cross-sectional structure; Figure 8 This is a schematic diagram of the second state of the swing arm transmission device being closed. Figure 9 for Figure 6 A schematic diagram of the cross-sectional structure; Figure 10 This is an exploded view of the swing arm transmission device. Figure 11 This is a schematic diagram of the transmission connecting frame at the first angle. Figure 12 This is a schematic diagram of the second angle structure of the transmission connecting frame; Figure 13 This is a schematic diagram of the locking groove structure; Figure 14 This is a schematic diagram of the first state structure of the upward sliding self-locking mechanism; Figure 15 This is a schematic diagram of the second state structure of the upward sliding self-locking mechanism; Figure 16 This is a schematic diagram of the structure of the self-locking component; Figure 17 This is a partial unfolded structural diagram of the lower transmission device; Figure 18 This is a schematic diagram of a partial retractable structure of the lower transmission device; Figure 19 A schematic diagram of the combined structure of the second load-bearing component, the second transmission hinge, and the second sliding frame; Figure 20 A schematic diagram of the combined structure of the second load-bearing component and the second transmission hinge; Figure 21 This is a partial structural diagram of the second load-bearing component and the second transmission hinge; Figure 22 This is a partial cross-sectional schematic diagram of the second load-bearing component and the second transmission hinge; Figure 23 This is a schematic diagram of the linkage mechanism. Figure 24 This is an exploded view of the downward sliding self-locking mechanism; Figure 25 This is a schematic diagram of the limit state of the sliding self-locking mechanism; Figure 26 A partial cross-sectional view of the sliding self-locking mechanism in its limited position. Figure 27 This is a schematic diagram of the self-locking state of the downward sliding self-locking mechanism; Figure 28 This is a partial cross-sectional schematic diagram of the self-locking state of the sliding self-locking mechanism; Figure 29 This is a partial cross-sectional schematic diagram of the transition state of the sliding self-locking mechanism; Figure 30 This is a schematic diagram of the structure of the first lower sliding frame; Figure 31 This is a schematic diagram of the front structure of the sliding cover. Figure 32 This is a schematic diagram of the back structure of the sliding cover. Figure 33 This is a schematic diagram of the lower limit component. Figure 34 This is an exploded view of the self-locking component. Figure 35 This is a schematic diagram of the self-locking hook structure; Figure 36 This is a schematic diagram of the locking transmission mechanism.

[0017] Explanation of reference numerals in the attached figures: 1. Transmission system; 2. Window frame; 3. Window sash; 4. Operating handle; 100. Upper swing arm transmission mechanism; 110. Transmission connecting frame; 111. First transmission seat; 1111. Locking component slide rail; 1112. Swing arm mounting position; 1113. Transmission bar slide rail; 1114. Locking component limiting hole; 112. Second transmission seat; 120. Swing arm assembly; 121. Primary swing arm; 1211. Second abutment part; 1212. Second arc-shaped contact part; 122. Secondary swing arm; 123. Secondary auxiliary swing arm; 1231. Locking component sliding groove; 124. Secondary auxiliary pivot; 130. Transmission assembly; 131. Transmission bar; 132. First transmission connection position; 133. Second transmission connection position; 140. Locking assembly; 141. First locking element; 1411. Locking slider; 1412. Inlet portion; 1413. Locking portion; 1414. Outlet portion; 1401. Recessed space; 142. Second locking element; 201. Upper sliding self-locking mechanism; 202. Lower sliding self-locking mechanism; 210. Upper self-locking component; 211. First end; 2111. First snap-fit ​​portion; 212. Second end; 2121. First arc-shaped contact portion; 213. Third end; 2131. First abutment portion; 220. Upper limit component; 221. Second card connector; 230. Lower self-locking assembly; 231. Self-locking hook; 2311. Self-locking part; 23111. Locking protrusion; 2312. Limiting part; 23121. Bottom surface of the slot; 23122. Side surface of the first slot; 23123. Side surface of the second slot; 232. Self-locking elastic element; 233. Self-locking rotating shaft; 2331. Sliding piece; 240. Lower limit assembly; 241. Snap-fit ​​part; 2411. Top surface of snap hook; 2412. Side surface of first snap hook; 2413. Side surface of second snap hook; 300. First lower load-bearing transmission mechanism; 400. Second lower load-bearing transmission mechanism; 301. First transmission hinge; 401. Second transmission hinge; 31. Rotary connection part; 311. First rotating block; 312. Rotating shaft; 313. First assisting arm; 314. Assisting elastic element; 32. Cantilever; 33. Load-bearing connection part; 34. Linkage hinge; 341. Linkage swing arm; 342. Linkage fixing block; 35. Sliding cover plate; 351. Sliding part; 3511. Sliding wall; 3512. Supporting wall; 352. Sliding limit groove; 3521. Slot; 3522. Boss; 313A. Second assisting arm; 3131. First rotating shaft; 3132. Rotary connection plate; 3133. Second rotating shaft; 3134. Second rotating block; 302. First load-bearing component; 402. Second load-bearing component; 41. Load-bearing shaft rod; 42. Load-bearing shaft fixing component; 43. Load-bearing shaft adjusting component; 500. Upper sliding frame; 600. Lower sliding frame; 610. First lower sliding frame; 601. First sliding part; 602. Second sliding part; 603. Sliding connecting rod; 611. Limiting protrusion; 620. Second lower sliding frame; 700. Locking transmission mechanism; 710. Transmission lock head structure; 720. Window sash closing lock seat; 730. Window sash inner reverse lock seat. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0019] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or they can refer to the internal communication of two components. For those skilled in the art, the specific meaning of the terms in this invention can be understood according to the specific circumstances.

[0020] See Figure 1-2This embodiment discloses a window, including a window frame 2, a window sash 3, an operating handle 4, and a transmission system 1. The transmission system 1 is located between the window frame 2 and the window sash 3 and is connected to the operating handle 4 for transmission.

[0021] The window is a tilt-and-turn window. After the locking structure between the window sash 3 and the window frame 2 is unlocked by the control handle, the control handle further controls the upper and lower transmission devices to make the window sash 3 enter the tilt-and-turn state or the panning state, thereby controlling the tilt-and-turn or panning of the window sash 3.

[0022] See further Figure 3-4 The transmission system 1 includes an upper transmission device and a lower transmission device. It can be understood that the upper transmission device and the lower transmission device can be connected to the corresponding operating handle 4 via the transmission bar 131 to realize the change of different states of the window sash 3.

[0023] In this embodiment, the upper transmission device includes two upper sliding frames 500, two upper swing arm transmission mechanisms 100, and an upper sliding self-locking mechanism 201. The two upper swing arm transmission mechanisms 100 are respectively located at both ends of the upper part of the window sash 3 and connected to the two upper sliding frames 500. The upper sliding self-locking mechanism 201 is located between the window frame 2 and one of the upper sliding frames 500, and is used to control the translation of the upper sliding frames 500 and the opening and closing of the upper swing arm transmission mechanisms 100. The two upper sliding frames 500 are connected by a connecting rod and move synchronously, thereby controlling the two upper swing arm transmission mechanisms 100 and the two upper sliding frames 500 through the upper sliding self-locking mechanism 201.

[0024] See Figure 5-13 The upper swing arm transmission mechanism 100 includes a transmission connecting frame 110, a swing arm assembly 120, a transmission assembly 130, and a locking assembly 140. The transmission connecting frame 110 includes a first transmission seat 111 and a second transmission seat 112, which are respectively fixed to the vertical sides of the window sash 3. One end of the swing arm assembly 120 is rotatably connected to the first transmission seat 111, and the other end of the swing arm assembly 120 is connected to the upper sliding frame 500. The transmission assembly 130 is connected to the operating handle 4 and passes through the first transmission seat 111 and the second transmission seat 112. The locking assembly 140 includes a first locking member 141 and a second locking member 142. The first locking member 141 is fixed to the swing arm assembly 120, and the second locking member 142 is fixed to the transmission assembly 130 and slides within the first transmission seat 111. When the first locking member 141 and the second locking member 142 are matched, the first locking member 141 cannot move, and the swing arm assembly 120 is locked.

[0025] The upper swing arm transmission mechanism 100 of this solution connects both the swing arm assembly 120 and the transmission assembly 130 to the transmission connecting frame 110, forming an upper swing arm transmission mechanism 100 that can be independently manufactured, installed, and transported. Fixing the transmission connecting frame 110 to the window sash 3 simultaneously connects the swing arm assembly 120 and the transmission assembly 130 to the window sash 3, eliminating the need for separate installations of the swing arm assembly 120 and the transmission assembly 130 on the window sash 3, thus facilitating installation and saving profiles and space. Simultaneously, a first locking member 141 is located on the swing arm assembly 120, and a second locking member 142 is located on the transmission assembly 130, allowing direct control of the swing arm assembly 120's fixation on the upper or lower edge of the window sash 3 via the operating handle 4. This solution integrates the angle actuator and the swing arm hinge device into a single upper swing arm transmission mechanism 100, simplifying the product structure, reducing production and installation time, and adding a locking function to the swing arm assembly 120, thereby improving product performance and expanding the applicability of the transmission device.

[0026] It should be noted that the transmission component 130 passes through the first transmission seat 111 and the second transmission seat 112. The transmission component 130 is connected to the operating handle 4 to input operating power, so as to control the opening or locking of the window sash 3 and the window frame 2 through the lock head and lock seat structure at the position where the window sash 3 contacts the window frame 2.

[0027] Meanwhile, the first locking member 141 is fixed on the transmission assembly 130 and located in the first transmission seat 111, so that the transmission assembly 130 can control the first locking member 141 and the second locking member 142 to match and lock the swing arm assembly 120, and meet the transmission requirements of window types such as sliding inward tilting windows.

[0028] In this embodiment, the swing arm assembly 120 includes a primary swing arm 121 and a secondary swing arm 122. One end of the primary swing arm 121 is rotatably connected to the window frame 2, and the other end of the primary swing arm 121 is rotatably connected to one end of the secondary swing arm 122. The other end of the secondary swing arm 122 is connected to the first transmission seat 111, and the first locking member 141 is provided on the secondary swing arm 122.

[0029] It should be noted that the swing arm assembly 120 cooperates with the first lower load-bearing transmission mechanism 300 and the second lower load-bearing transmission mechanism 400 to achieve the parallel extension of the window sash 3, making the window sash 3 parallel to the window frame 2, which facilitates further translation of the window sash 3. The secondary swing arm 122 extends the hinge length above the window sash 3. When both the secondary swing arm 122 and the primary swing arm 121 are extended, the window sash 3 is tilted against the window frame 2 and is in an inward tilting state.

[0030] By mounting the first locking element 141 on the secondary swing arm 122, it is ensured that the secondary swing arm 122 cannot move when the operating handle 4 locks the second locking element 142 within the first locking element 141. This prevents the window sash 3 of the sliding tilt-in window from tilting inwards during the sliding process. It should be noted that when the operating handle 4 is rotated to the sliding position of the window sash 3, the transmission assembly 130 causes the locking limit point between the window sash 3 and the window frame 2 to separate from the lock seat, allowing the window sash 3 to detach from the window frame 2. Under the drive of the transmission assembly 130, the first locking element 141 and the second locking element 142 match, locking the second swing arm. The locking of the second swing arm and the separation of the window sash 3 from the window frame 2 occur simultaneously, eliminating the need for two steps and saving operational steps.

[0031] In this embodiment, the swing arm assembly 120 further includes a secondary auxiliary swing arm 123 and a secondary auxiliary rotating shaft 124. One end of the secondary auxiliary swing arm 123 is rotatably connected to the first transmission seat 111, and the other end of the secondary auxiliary swing arm 123 is provided with a locking member sliding groove 1231. One end of the secondary auxiliary rotating shaft 124 is rotatably connected to the secondary swing arm 122, and the other end of the secondary auxiliary rotating shaft 124 slides within the locking member sliding groove 1231. The secondary auxiliary swing arm 123 is used to support the secondary swing arm 122, preventing one end of the secondary swing arm 122 from deforming under the pressure of the primary swing arm 121, thereby preventing the secondary swing arm 122 from retracting into the window frame 2. The locking member sliding groove 1231 is provided to limit the rotation angle of the secondary auxiliary swing arm 123, so as to better cooperate with the functional realization of the secondary swing arm 122.

[0032] In this embodiment, the first locking member 141 is provided with a locking slider 1411 that is adapted to the locking member sliding groove 1231. The first locking member 141 is fixed on the secondary auxiliary rotating shaft 124, and the locking slider 1411 is limited to the locking member sliding groove 1231 to slide along the opening direction of the locking member sliding groove 1231. The locking slider 1411 is integrally formed with the first locking member 141, and the two ends of the locking slider 1411 are slidably connected to the two side walls of the locking member sliding groove 1231. The setting of the locking slider 1411 further restricts the position and direction of the first locking member 141, preventing the first locking member 141 from rotating or deviating during the rotation of the secondary auxiliary swing arm 123, and ensuring the matching accuracy between the first locking member 141 and the second locking member 142.

[0033] In this embodiment, the first transmission seat 111 includes a locking member slide rail 1111 that restricts the sliding direction of the second locking member 142 and swing arm mounting positions 1112 provided at both ends of the locking member slide rail 1111. The other end of the secondary swing arm 122 and one end of the secondary auxiliary swing arm 123 are respectively rotatably connected to the corresponding swing arm mounting positions 1112. The two swing arm mounting positions 1112 are higher than the locking member slide rail 1111, so that a recessed space 1401 matching the first locking member 141 and the second locking member 142 is formed between the two swing arm mounting positions 1112 and the locking member slide rail 1111.

[0034] In this embodiment, the transmission assembly 130 includes a transmission bar 131, a first transmission connection position 132, and a second transmission connection position 133. The first transmission connection position 132 and the second transmission connection position 133 are respectively fixed to both ends of the transmission bar 131. Transmission bar slide rails 1113 are respectively provided in the first transmission seat 111 and the second transmission seat 112. The two transmission bar slide rails 1113 are interconnected, and the transmission bar 131 is slidably connected within the two transmission bar slide rails 1113. It can be understood that the first transmission connection position 132 is used to connect the transmission belt located on the upper edge of the window sash 3, and the second transmission connection position 133 is used to connect the transmission belt located on the side edge of the window sash 3. The transmission assembly 130 can further drive the transmission operation of other transmission belts.

[0035] In this embodiment, the transmission bar slide rail 1113 is disposed on one surface of the first transmission seat 111, and the locking member slide rail 1111 is disposed on the other surface of the first transmission seat 111. The first transmission seat 111 is also provided with a locking member limiting hole 1114. One end of the second locking member 142 is fixed to the transmission bar 131, and the other end of the second locking member 142 extends out of the locking member limiting hole 1114 and slides on the locking member slide rail 1111. Specifically, the transmission bar slide rail 1113 is disposed on the upper surface of the first transmission seat 111, and the locking member slide rail 1111 is disposed on the lower surface of the first transmission seat 111. The locking member limiting hole 1114 is provided to limit the sliding trajectory of the second locking member 142, which can ensure that the first locking member 141 can match and fix with the second locking member 142 on the sliding trajectory of the second locking member 142.

[0036] In one embodiment, the first locking member 141 is a locking groove, and the second locking member 142 is a locking head; after the locking head slides into the locking groove, the swing arm assembly 120 is locked. It can be understood that the first locking member 141 and the second locking member 142 control the locking of the first locking member 141 in the longitudinal direction by matching the lock head and the locking groove in the lateral direction, so as to control the positioning of the secondary auxiliary swing arm 123.

[0037] When the secondary swing arm 122 and the secondary auxiliary swing arm 123 are retracted to the edge of the window sash 3, the groove of the locking lock slot and the locking lock head are on the same straight line and above the locking component slide rail 1111. Rotate the operating handle 4 to move the locking lock head into the locking lock slot to achieve matching. The locking lock slot is locked in the direction perpendicular to the locking component slide rail 1111.

[0038] In another embodiment, the first locking element 141 is a locking lock head, and the second locking element 142 is a locking lock groove; its principle is the same as the above scheme.

[0039] Furthermore, the locking groove includes an inlet portion 1412, a locking portion 1413, and an outlet portion 1414. The inlet portion 1412 and the outlet portion 1414 are symmetrically arranged at both ends of the locking portion 1413. Both the inlet portion 1412 and the outlet portion 1414 are wedge-shaped grooves, and the width of the opening of the wedge-shaped groove is greater than the width of the locking portion 1413. It can be understood that when the first locking member 141 and the second locking member 142 are in a matching state, the locking groove is provided with the inlet portion 1412, the locking portion 1413, and the outlet portion 1414 in sequence along the direction of movement of the locking head. The inlet portion 1412 and the outlet portion 1414 are both provided with wedge-shaped grooves to facilitate the insertion of the locking head, and the width of the locking portion 1413 is slightly narrower than the outer diameter of the locking head to ensure that the locking head can be stably fixed in the locking groove.

[0040] See Figure 14-16 The upper sliding self-locking mechanism 201 includes an upper self-locking component 210 and an upper limit component 220; the upper limit component 220 is fixed to the window frame 2, and the upper self-locking component 210 is rotatably connected to the upper sliding frame 500. The upper self-locking component 210 is provided with a first end 211, a second end 212 and a third end 213. The second end 212 is used to contact the other end of the swing arm assembly 120, so that the other end of the swing arm assembly 120 can rotate. The first end 211 is engaged with the upper limit assembly 220, and the upper sliding bracket 500 is limited to the slide rail of the window frame 2. The third end 213 is used to abut against one end of the swing arm assembly 120, so that one end of the swing arm assembly 120 cannot rotate. The first end 211 is disengaged from the upper limit assembly 220, and the upper sliding bracket 500 can slide within the slide rail of the window frame 2.

[0041] Preferably, the first end 211 is provided with a first latching part 2111, and the upper limit assembly 220 is provided with a second latching part 221; when the second end 212 contacts one end of the swing arm assembly 120, the first latching part 2111 and the second latching part 221 match each other, so that the upper self-locking assembly 210 and the upper limit assembly 220 are relatively fixed. The second end 212 is provided with a first arc-shaped contact portion 2121, and one end of the swing arm assembly 120 is provided with a second arc-shaped contact portion 1212. The first arc-shaped contact portion 2121 contacts the second arc-shaped contact portion 1212, so that when the swing arm assembly 120 can rotate, the upper self-locking assembly 210 cannot rotate. The third end 213 is provided with a first abutting part 2131, and one end of the swing arm assembly 120 is provided with a second abutting part 1211. When the second end 212 is disengaged from one end of the swing arm assembly 120, the upper self-locking assembly 210 rotates, causing the first abutting part 2131 to abut against the second abutting part 1211. After this, the upper self-locking assembly 210 stops rotating, and the swing arm assembly 120 cannot rotate.

[0042] Referring further to the figure, the working principle of the upper sliding self-locking mechanism 201 is as follows: When the window sash 3 is closed inside the window frame 2, the first end 211 engages with the upper limit assembly 220, and the upper sliding bracket 500 is limited to the initial position within the slide rail of the window frame 2 and cannot move; at this time, one end of the swing arm assembly 120 can rotate to push out the window sash 3. Before the window sash 3 is pushed out of the window frame 2 and opened to the maximum angle, the second end 212 remains in contact with one end of the swing arm assembly 120, so that the first end 211 is stably engaged with the upper limit assembly 220, and the upper sliding bracket 500 is still limited to the initial position within the slide rail of the window frame 2 and cannot move. When the window sash 3 is opened to its maximum angle, the second end 212 disengages from one end of the swing arm assembly 120. Under the action of the rotational force, the upper self-locking assembly 210 rotates until the third end 213 abuts against one end of the swing arm assembly 120, so that one end of the swing arm assembly 120 is self-locked and cannot rotate. At the same time, the rotation of the upper self-locking assembly 210 causes the first end 211 to disengage from the upper limit assembly 220, and the upper sliding bracket 500 is in the initial position and can slide in the slide rail of the window frame 2. After the upper sliding bracket 500 drives the window sash 3 to slide out of the initial position, the swing arm assembly 120 remains self-locked under the resisting force of the upper self-locking assembly 210, and the window sash 3 cannot be pushed out or pulled in. When the upper sliding bracket 500 slides back to its initial position, the upper limit component 220 contacts the upper self-locking component 210. Under the force of the window sash 3, the upper limit component 220 applies a reaction force to the upper self-locking component 210, causing the upper self-locking component 210 to rotate in the opposite direction until the first end 211 engages with the upper limit component 220, thereby limiting the upper sliding bracket 500. One end of the swing arm component 120 can be rotated and pulled into the window sash 3 to close the window sash 3 into the window frame 2.

[0043] The lower transmission device includes a lower upper sliding frame 500, a first lower load-bearing transmission mechanism 300, a second lower load-bearing transmission mechanism 400, and a lower sliding self-locking mechanism 202. The lower upper sliding frame 500 slides within the bottom guide rail of the window frame 2. One end of the first lower load-bearing transmission mechanism 300 and one end of the second lower load-bearing transmission mechanism 400 are respectively connected to the lower upper sliding frame 500. The other end of the first lower load-bearing transmission mechanism 300 is connected to one side of the window frame 2, and the other end of the second lower load-bearing transmission mechanism 400 is connected to the other side of the window frame 2. The lower sliding self-locking mechanism 202 is connected between the lower upper sliding frame 500 and the window frame 2 and is used to control the translation of the lower upper sliding frame 500 and the opening and closing of the first lower load-bearing transmission mechanism 300.

[0044] See further Figure 17-23 The lower sliding frame 600 includes a first lower sliding frame 610 and a second lower sliding frame 620. The first lower load-bearing transmission mechanism 300 includes a first transmission hinge 301 and a first load-bearing component 302. The second lower load-bearing transmission mechanism 400 includes a second transmission hinge 401 and a second load-bearing component 402. The first lower sliding frame 610 and the second lower sliding frame 620 are slidably connected to the guide rail of the window frame 2. One end of the first transmission hinge 301 is rotatably connected to the first lower sliding frame 610, and the other end of the first transmission hinge 301 is rotatably connected to the first load-bearing component 302. One end of the second transmission hinge 401 is rotatably connected to the second lower sliding frame 620, and the other end of the second transmission hinge 401 is rotatably connected to the second load-bearing component 402. The first load-bearing component 302 is fixedly connected to one side of the window sash 3, and the second load-bearing component 402 is fixedly connected to the other side of the window sash 3. When the window sash 3 is opened or closed, the rotation direction of the first transmission hinge 301 is opposite to that of the second transmission hinge 401, and the rotation angle and rotation distance of the first transmission hinge 301 are equal to those of the second transmission hinge 401.

[0045] The first lower sliding bracket 610 drives the first transmission hinge 301 to drive one side of the window sash 3, and the second lower sliding bracket 620 drives the second transmission hinge 401 to drive the other side of the window sash 3. The first load-bearing component 302 strengthens the side of the window sash 3 connected to the first transmission hinge 301, and the second load-bearing component 402 strengthens the other side of the window sash 3 connected to the second transmission hinge 401. The combination of the two load-bearing components greatly increases the weight that the first transmission hinge 301 and the second transmission hinge 401 can bear. This load-bearing transmission device can reduce the problem of sagging of doors and windows after long-term use and is suitable as the transmission structure for large, drifting doors and windows.

[0046] It should be noted that in the existing technology, the connection between the window sash 3 and the window frame 2 is reinforced by corner brackets. The load-bearing shaft is located on the bottom edge of the window sash 3, which coincides with the corner bracket position. Therefore, holes for accommodating the load-bearing shaft need to be machined into the corner bracket, making the manufacturing process complex. In contrast, this solution places the load-bearing shaft on the side of the window sash 3, eliminating the need for corner bracket machining, thus saving costs and improving installation efficiency.

[0047] In this embodiment, both the first load-bearing component 302 and the second load-bearing component 402 include a load-bearing shaft 41, a load-bearing shaft fixing member 42, and a load-bearing shaft adjusting member 43. One end of the load-bearing shaft 41 is rotatably connected to the corresponding first transmission hinge 301 or second transmission hinge 401. The load-bearing shaft fixing member 42 is sleeved on the other end of the load-bearing shaft 41. The load-bearing shaft adjusting member 43 is in contact with the other end of the load-bearing shaft 41 and is movably connected to the load-bearing shaft fixing member 42.

[0048] It should be noted that in this solution, the load-bearing shaft adjustment component 43 is located at the end of the load-bearing shaft rod 41 and the window sash 3, so that the load-bearing transmission device installed on the window sash 3 can adjust the height of the window sash 3 from top to bottom, thereby making the load-bearing transmission device of this solution applicable to the transmission structure of large floor-to-ceiling windows.

[0049] Specifically, the load-bearing shaft adjusting component 43 has an external thread structure, and the load-bearing shaft fixing component 42 has a hollow cavity with an internal thread structure. The load-bearing shaft rod 41 is inserted into the hollow cavity from bottom to top, and the load-bearing shaft adjusting component 43 is threaded into the hollow cavity from top to bottom. The lower end of the load-bearing shaft adjusting component 43 abuts against the upper end of the load-bearing shaft rod 41, and the lower end of the load-bearing shaft rod 41 abuts against and is fixed to the load-bearing connecting part 33. Therefore, when the load-bearing adjusting component rotates, since the load-bearing shaft rod 41 cannot move, the load-bearing fixing component is lifted upward relative to the load-bearing shaft rod 41 to lift the drooping window sash 3.

[0050] In this embodiment, both the first transmission hinge 301 and the second transmission hinge 401 include a rotating connection part 31, a cantilever 32, and a load-bearing connection part 33. The rotating connection part 31 and the load-bearing connection part 33 are respectively disposed at both ends of the cantilever 32. The rotating connection part 31 is used to connect the corresponding first lower sliding frame 610 or second lower sliding frame 620, and the load-bearing connection part 33 is used to connect the load-bearing shaft 41.

[0051] In this embodiment, the load-bearing connection part 33 includes a load-bearing shaft seat and a load-bearing bearing disposed on the load-bearing shaft seat, and the load-bearing shaft 41 is inserted into the load-bearing shaft seat and rotatably connected to the load-bearing bearing.

[0052] In this embodiment, the rotating connection part 31 includes a first rotating block 311, a rotating shaft 312, a first assisting arm 313, and an assisting elastic element 314. The first rotating block 311 is rotatably connected to the bottom edge of the window frame 2 via the rotating shaft 312. The assisting elastic element 314 is fixed to the bottom edge of the window frame 2. One end of the first assisting arm 313 is rotatably connected to the first rotating block 311, and the other end of the first assisting arm 313 is connected to the assisting elastic element 314. It should be noted that the assisting elastic element 314 is in a compression limit state at a certain point between the first assisting arm 313 being extended to its maximum angle and retracted to its minimum angle, thereby ensuring that the first assisting arm 313 is in an extendable state after passing through this point, thus providing an assisting effect.

[0053] In one embodiment, the load-bearing transmission device further includes a linkage hinge 34, one end of which is rotatably connected to the first lower sliding frame 610, and the other end of which is rotatably connected to the window sash 3. The linkage hinge 34 is used to cooperate with the first transmission hinge 301 to open the window sash 3 in parallel.

[0054] Specifically, the linkage hinge 34 is located between the first transmission hinge 301 and the second transmission hinge 401, and the linkage hinge 34 is closer to the second transmission hinge 401 to ensure that the two sides of the window sash 3 can be subjected to equal forces to open in parallel.

[0055] The first lower sliding frame 610 includes a first sliding part 601, a second sliding part 602, and a sliding connecting rod 603. A first transmission hinge 301 is connected to the first sliding part 601, and a linkage hinge 34 is connected to the second sliding part 602. The two ends of the sliding connecting rod 603 are respectively connected to the first sliding part 601 and the second sliding part 602. The sliding connecting rod 603 ensures that the relative distance between the first transmission hinge 301 and the linkage hinge 34 remains constant, while also minimizing material consumption.

[0056] Furthermore, the linkage hinge 34 includes a linkage swing arm 341 and a linkage fixing block 342. One end of the linkage swing arm 341 is rotatably connected to the first lower sliding frame 610, and the other end of the linkage swing arm 341 is rotatably connected to the linkage fixing block 342. The linkage fixing block 342 is fixedly connected to the bottom surface of the window sash 3. In this design, the linkage fixing block 342 serves a positioning function, has no load-bearing requirements, and is not easily damaged.

[0057] In another embodiment, two or more linkage hinges 34 can be provided, which are adapted to the first transmission hinge 301 and the second transmission hinge 401 respectively, to achieve a more stable opening and closing action of the window sash 3.

[0058] In this embodiment, the preferred linkage hinge 34 is a linkage hinge 34 structure that can form a "parallelogram" shape with the first transmission hinge 301. When the window sash 3 is opened or closed, the rotation direction of the linkage hinge 34 is the same as that of the first transmission hinge 301, and the rotation angle and rotation distance of the linkage hinge 34 are equal to those of the first transmission hinge 301. This linkage hinge 34 has a simple structure, is easy to implement, and is convenient to operate.

[0059] Of course, this solution is not limited to the specific arrangement of the first transmission hinge 301 described above. An "X"-shaped hinge structure can also be used to push the window sash 3, achieving the same function of opening the window sash 3 in parallel. Any auxiliary transmission structure capable of enabling the parallel opening of the window sash 3 is a simple variation and transformation of this solution and should fall within the protection scope of this invention.

[0060] It should be noted that without the linkage hinge 34, the first transmission hinge 301 and the second transmission hinge 401 form a "parallelogram" linkage structure, with the two sets of hinges opening or closing synchronously to achieve the function of parallel opening of the window sash 3. In this solution, the first lower sliding bracket 610 and the second lower sliding bracket 620 are respectively fixed to the bottom ends of the window frame 2. When the window sash 3 is closed, the first transmission hinge 301 causes the window sash 3 to protrude beyond the edge of the window frame 2, resulting in misalignment between the window sash 3 and the window frame 2, which is not aesthetically pleasing.

[0061] Furthermore, the first transmission hinge 301 and the second transmission hinge 401 are preferably arranged in an inverted V-shape. When the window sash 3 is opened or closed, the rotation direction of the first transmission hinge 301 is opposite to that of the second transmission hinge 401, and the rotation angle and rotation distance of the first transmission hinge 301 are equal to those of the second transmission hinge 401. The inverted V-shape transmission hinge structure design allows the second lower sliding bracket 620 to slide within the window frame 2 during the rotation of the second transmission hinge 401, ensuring both the continuity of transmission between the first transmission hinges 301 and preventing the side of the window sash 3 driven by the second transmission hinge 401 from protruding beyond the window frame 2.

[0062] join Figure 24-35 The lower sliding self-locking mechanism 202 includes a lower self-locking component 230 and a lower limiting component 240. The lower self-locking component 230 is rotatably connected to the first lower sliding frame 610. The self-locking component is rotatably connected to the first lower sliding frame 610. One end of the first transmission hinge 301 is provided with a sliding part 351. The lower self-locking component 230 is provided with a self-locking part 2311 that aligns with or abuts against the sliding part 351 and a limiting part 2312 that engages with the lower limiting component 240. When the sliding part 351 and the self-locking part 2311 are aligned, one end of the first lower transmission hinge can slide on the first lower sliding frame 610, the lower self-locking component 230 is fixed to the first lower sliding frame 610, the limiting part 2312 is engaged with the lower limiting component 240, and the first lower sliding frame 610 is limited to the slide rail of the window frame 2. When the sliding part 351 abuts against the self-locking part 2311, one end of the first transmission hinge 301 is fixed to the first lower sliding frame 610, the lower self-locking component 230 can rotate, so that the limiting part 2312 disengages from the lower limiting component 240, and the first lower sliding frame 610 can slide in the slide rail of the window frame 2.

[0063] When the downward sliding self-locking mechanism 202 is in the limited position, during the opening of the window sash 3, during the process of the window sash 3 moving from the maximum angle to the closed state, and during the closed state of the window sash 3, the sliding part 351 and the self-locking part 2311 are aligned, one end of the first lower transmission hinge can slide on the first lower sliding frame 610, the lower self-locking component 230 is fixed to the first lower sliding frame 610, the limiting part 2312 is engaged with the lower limiting component 240, and the first lower sliding frame 610 is limited to the slide rail of the window frame 2.

[0064] When the sliding self-locking mechanism 202 is in a self-locking state, when the window sash 3 is opened to the maximum angle, the sliding part 351 disengages from the alignment position of the self-locking part 2311 and abuts against the self-locking part 2311. One end of the first lower transmission hinge is fixed to the first lower sliding frame 610. The lower self-locking component 230 can rotate to the maximum angle. The limiting part 2312 disengages from the lower limiting component 240. The first lower sliding frame 610 can slide within the slide rail of the window frame 2.

[0065] Specifically, the sliding part 351 includes a sliding wall 3511 and a supporting wall 3512, and the self-locking part 2311 is provided with a locking protrusion 23111; when the locking protrusion 23111 is aligned with the sliding wall 3511, the sliding wall 3511 can slide parallel to the locking protrusion 23111, so that one end of the first transmission hinge 301 can slide; when the locking protrusion 23111 rotates to be in contact with the supporting wall 3512, the lower self-locking component 230 can rotate, and one end of the first transmission hinge 301 is locked. The lower limit assembly 240 is provided with a snap-fit ​​part 241 adapted to the limit part 2312. The limit part 2312 is a snap hook or a snap groove, and the snap-fit ​​part 241 is a snap groove or a snap hook corresponding to the limit part 2312. The groove opening width is greater than the snap hook width, so that the snap hook can disengage from the snap groove when the lower self-locking assembly 230 rotates.

[0066] It should be noted that the upper self-locking assembly 210 and the lower self-locking assembly 230 have the same structure. Taking the lower self-locking assembly 230 as an example, the lower self-locking assembly 230 includes a self-locking hook 231, a self-locking elastic element 232, and a self-locking rotating shaft 233. The limiting part 2312 and the self-locking part 2311 are both provided on the self-locking hook 231. The self-locking rotating shaft 233 is fixed to the sliding frame. The self-locking hook 231 and the self-locking elastic element 232 are both sleeved on the self-locking rotating shaft 233. One end of the self-locking elastic element 232 is fixed to the sliding frame, and the other end of the self-locking elastic element 232 is fixed to the self-locking hook 231. The self-locking elastic element 232 applies a force to the self-locking hook 231, causing the self-locking part 2311 to abut against the sliding part 351. In this solution, the self-locking elastic element 232 can be any one of a torsion spring, a spring, or a spring sheet.

[0067] The first transmission hinge 301 also includes a sliding cover plate 35, which is rotatably connected to the first lower sliding frame 610. One end of the second assisting arm 313A is rotatably connected to the sliding cover plate 35, and the other end of the second assisting arm 313A is rotatably connected to the first rotating block 311. The sliding part 351 is disposed inside the sliding cover plate 35. It should be noted that the second assisting arm 313A converts the rotational force of the window sash 3 into the translational sliding force of the sliding cover plate 35. By controlling the sliding or fixing of the sliding cover plate 35, the window sash 3 can be moved or locked.

[0068] Specifically, in one embodiment, the sliding part 351 includes a sliding wall 3511 and a holding wall 3512, and the self-locking part 2311 is provided with a locking protrusion 23111.

[0069] The sliding wall 3511 and the abutting wall 3512 are integrally formed on the inner surface of the sliding cover plate 35. The sliding wall 3511 includes two sliding walls, which are arranged to form an elongated groove. The length direction of the sliding wall 3511 is consistent with the sliding direction of the sliding cover plate 35. The abutting wall 3512 is provided along the edge of the groove of the sliding wall 3511, so that when the locking protrusion 23111 is rotated out of the sliding wall 3511, it abuts against the abutting wall 3512.

[0070] Furthermore, the first lower sliding frame 610 is provided with a limiting protrusion 611 that is adapted to the sliding wall 3511. The limiting protrusion 611 can slide inside the sliding wall 3511 to limit the sliding direction of the sliding wall 3511.

[0071] When the locking protrusion 23111 and the sliding wall 3511 are aligned, the central axes of the limiting protrusion 611, the locking protrusion 23111 and the sliding wall 3511 are on the same straight line, and the sliding wall 3511 can slide parallel on the locking protrusion 23111 and the limiting protrusion 611, so that one end of the first transmission hinge 301 can slide. When the locking protrusion 23111 rotates to abut against the abutment wall 3512, the lower self-locking assembly 230 can rotate, and one end of the first transmission hinge 301 is locked. When the locking protrusion 23111 is aligned with the sliding wall 3511 and is also on the trajectory of the abutting wall 3512, the lower sliding self-locking mechanism 202 is in a transition state. If a pulling force is applied to the window sash 3, the locking protrusion 23111 is positioned inside the sliding wall 3511, and the window sash 3 can be further pulled open. The lower self-locking assembly 230 does not rotate, and the first lower sliding frame 610 is limited by the lower limiting assembly 240. If a translational force is applied to the first lower sliding frame 610, the locking protrusion 23111 rotates to abut against the abutting wall 3512, the window sash 3 is locked, and the first lower sliding frame 610 can be translated.

[0072] In another embodiment, the self-locking part 2311 includes a sliding wall 3511 and a supporting wall 3512. The sliding part 351 is provided with a locking protrusion 23111. When the locking protrusion 23111 is aligned with the sliding wall 3511, the locking protrusion 23111 can slide parallel within the sliding wall 3511, allowing one end of the first transmission hinge 301 to slide. When the locking protrusion 23111 rotates to abut against the supporting wall 3512, the lower self-locking assembly 230 can rotate, locking one end of the first transmission hinge 301. It is understood that this solution does not specify the specific structure of the self-locking part 2311 and the sliding part 351. In actual production operations, the specific structures of the sliding part 351 and the self-locking part 2311 can be interchanged, as long as the above functions can be achieved.

[0073] Furthermore, the abutment wall 3512 is an arc-shaped guide rail, and the curvature of the abutment wall 3512 is greater than or equal to the maximum angle that the lower self-locking assembly 230 can rotate when the self-locking part 2311 and the sliding part 351 are aligned. Preferably, the curvature of the abutment wall 3512 is equal to the maximum angle that the lower self-locking assembly 230 can rotate, so that the self-locking part 2311 can still abut against the abutment wall 3512 when it rotates to the maximum angle, ensuring the connection between the lower self-locking assembly 230 and the sliding cover plate 35 and preventing the sliding cover plate 35 from moving.

[0074] The sliding cover plate 35 is also provided with a sliding limiting groove 352, which includes a slot 3521 and a boss 3522 surrounding the slot 3521. The self-locking rotating shaft 233 is also provided with a sliding piece 2331, which passes through the slot 3521 and slides on the boss 3522. The sliding limiting groove 352 is provided to further limit the sliding range of the sliding cover plate 35. The sliding limiting groove 352 directly cooperates with the self-locking rotating shaft 233, which can reduce the need to set up further components on the first lower sliding frame 610, simplify the structure, and improve the sliding stability of the sliding cover plate 35.

[0075] Specifically, the second assist arm 313A includes a first rotating shaft 3131, a rotating connecting plate 3132, and a second rotating shaft 3133. The first rotating shaft 3131 is fixed to the sliding cover plate 35, and the second rotating shaft 3133 is fixed to the second rotating block 3134. The two ends of the rotating connecting plate 3132 are rotatably connected to the first rotating shaft 3131 and the second rotating shaft 3133, respectively. The second rotating block 3134 is rotatably connected to the window sash 3. The first rotating shaft 3131, the rotating connecting plate 3132, and the second rotating shaft 3133 are used to drive the connection between the second rotating block 3134 and the sliding cover plate 35, so that the sliding action of the sliding cover plate 35 is consistent with the rotation action of the window sash 3.

[0076] In one embodiment, the lower limiting component 240 is provided with a snap-fit ​​portion 241 adapted to the limiting portion 2312. The limiting portion 2312 is a slot, and the snap-fit ​​portion 241 is a hook corresponding to the limiting portion 2312. The limiting portion 2312 includes a slot bottom surface 23121, a first slot side surface 23122, and a second slot side surface 23123. The size of the slot bottom surface 23121 is slightly larger than the size of the hook. The angle between the slot bottom surface 23121 and the first slot side surface 23122 is a right angle, and the angle between the slot bottom surface 23121 and the second slot side surface 23123 is an obtuse angle. The latching part 241 includes a latch top surface 2411, a first latch side surface 2412, and a second latch side surface 2413. The angles between the latch top surface 2411 and the first latch side surface 2412, and between the latch top surface 2411 and the second latch side surface 2413, are both right angles. When the latch is latched into the latch groove, the first latch groove side surface 23122 contacts the first latch side surface 2412, and the first latch groove side surface 23122 is inclined to the first latch side surface 2412. When the lower self-locking component 230 rotates, the connection position between the second latch side surface 2413 and the bottom surface of the second latch can rotate along the second latch groove side surface 23123, thereby disengaging the limiting part 2312 from the latching part 241.

[0077] In another embodiment, the limiting part 2312 is a hook, and the engaging part 241 is a slot corresponding to the limiting part 2312, with the specific engaging method being the same as in the previous embodiment. It is understood that the upper limit component 220 structure in the upper sliding self-locking mechanism 201 is similar to the lower limit component 240 structure.

[0078] See Figure 36The transmission system 1 also includes a locking transmission mechanism 700, which includes a transmission lock head structure 710, a window sash closing lock seat 720, and a window sash inner locking seat 730. The transmission lock head structure 710, the window sash closing lock seat 720, and the window sash inner locking seat 730 do not contact the first lower load-bearing transmission mechanism 300 and the second lower load-bearing transmission mechanism 400. The transmission lock head structure 710 is used to enter the window sash closing lock seat 720 to lock the window sash 3 to the window frame 2. The transmission lock head structure 710 is also used to enter the window sash inner locking seat 730 to allow the top edge or bottom surface of the window sash 3 to tilt inwards and fall against the window frame 2. Both the window sash closing lock seat 720 and the window sash inner locking seat 730 are fixed to the top side wall or the bottom side wall of the window frame 2, and the transmission lock head structure 710 can be slidably connected to the top surface or the bottom surface of the corresponding window sash 3; or, the transmission lock head structure 710 is fixed to the top side wall or the bottom side wall of the window frame 2, and both the window sash closing lock seat 720 and the window sash inner locking seat 730 can be slidably connected to the top surface or the bottom surface of the corresponding window sash 3.

[0079] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A transmission system, characterized in that, include: The upper transmission device includes an upper sliding frame, an upper swing arm transmission mechanism, and an upper sliding self-locking mechanism. The upper sliding frame slides within the top guide rail of the window frame. One end of the upper transmission hinge is connected to the upper sliding self-locking mechanism, and the other end of the upper transmission hinge is connected to the upper part of the window sash. The upper sliding self-locking mechanism is located between the window frame and the upper sliding frame and is used to control the translation of the upper sliding frame and the opening and closing of the upper swing arm transmission mechanism. The lower transmission device includes a lower sliding frame, a first lower load-bearing transmission mechanism, a second lower load-bearing transmission mechanism, and a lower sliding self-locking mechanism. The lower sliding frame slides within the bottom guide rail of the window frame. One end of the first lower load-bearing transmission mechanism and one end of the second lower load-bearing transmission mechanism are respectively connected to the lower sliding frame. The other end of the first lower load-bearing transmission mechanism is connected to one side of the window frame, and the other end of the second lower load-bearing transmission mechanism is connected to the other side of the window frame. The lower sliding self-locking mechanism is connected between the lower sliding frame and the window frame and is used to control the translation of the lower sliding frame and the opening and closing of the first lower load-bearing transmission mechanism. The upper sliding self-locking mechanism includes an upper self-locking component and an upper limit component; the upper limit component is fixed to the window frame, and the upper self-locking component is rotatably connected to the upper sliding frame. The upper self-locking component has a first end, a second end, and a third end. The second end is used to contact the other end of the swing arm assembly, so that the other end of the swing arm assembly can rotate. The first end is engaged with the upper limit component, and the upper sliding bracket is limited to the slide rail of the window frame. The third end is used to abut against one end of the swing arm assembly, so that one end of the swing arm assembly cannot rotate. The first end is disengaged from the upper limit component, and the upper sliding bracket can slide within the slide rail of the window frame.

2. The transmission system according to claim 1, characterized in that, The upper swing arm transmission mechanism includes a transmission connecting frame, a swing arm assembly, a transmission assembly, and a locking assembly. The transmission connecting frame includes a first transmission seat and a second transmission seat, which are respectively fixed to the vertical sides of the window sash. One end of the swing arm assembly is rotatably connected to the first transmission seat, and the other end of the swing arm assembly is connected to the upper sliding frame. The transmission assembly is connected to the operating handle and passes through the first and second transmission seats. The locking assembly includes a first locking member and a second locking member. The first locking member is fixed to the swing arm assembly, and the second locking member is fixed to the transmission assembly and slides within the first transmission seat. When the first locking member and the second locking member are matched, the first locking member cannot move, and the swing arm assembly is locked.

3. The transmission system according to claim 2, characterized in that, The swing arm assembly includes a primary swing arm, a secondary swing arm, a secondary auxiliary swing arm, and a secondary auxiliary rotating shaft. One end of the primary swing arm is rotatably connected to the upper sliding frame, and the other end of the primary swing arm is rotatably connected to one end of the secondary swing arm. The other end of the secondary swing arm is connected to the first transmission seat, and the first locking member is disposed on the secondary swing arm. One end of the secondary auxiliary swing arm is rotatably connected to the first transmission seat, and the other end of the secondary auxiliary swing arm is provided with a locking member sliding groove. One end of the secondary auxiliary rotating shaft is rotatably connected to the secondary swing arm, and the other end of the secondary auxiliary rotating shaft slides within the locking member sliding groove.

4. The transmission system according to claim 1, characterized in that, The first end is provided with a first locking part, and the upper limit component is provided with a second locking part; when the second end contacts one end of the swing arm component, the first locking part matches the second locking part, so that the upper self-locking component and the upper limit component are relatively fixed. The second end is provided with a first arc-shaped contact portion, and one end of the swing arm assembly is provided with a second arc-shaped contact portion. The first arc-shaped contact portion contacts the second arc-shaped contact portion, so that when the swing arm assembly can rotate, the upper self-locking assembly cannot rotate. The third end is provided with a first abutting part, and one end of the swing arm assembly is provided with a second abutting part. When the second end is disengaged from one end of the swing arm assembly, the upper self-locking assembly rotates, causing the first abutting part to abut against the second abutting part. After this, the upper self-locking assembly stops rotating, and the swing arm assembly cannot rotate.

5. The transmission system according to claim 1, characterized in that, The lower sliding frame includes a first lower sliding frame and a second lower sliding frame. The first lower load-bearing transmission mechanism includes a first transmission hinge and a first load-bearing component. The second lower load-bearing transmission mechanism includes a second transmission hinge and a second load-bearing component. The first lower sliding frame and the second lower sliding frame are slidably connected to the guide rail of the window frame. One end of the first transmission hinge is rotatably connected to the first lower sliding frame, and the other end of the first transmission hinge is rotatably connected to the first load-bearing component. One end of the second transmission hinge is rotatably connected to the second lower sliding frame, and the other end of the second transmission hinge is rotatably connected to the second load-bearing component. The first load-bearing component is fixedly connected to one side of the window sash, and the second load-bearing component is fixedly connected to the other side of the window sash. When the window sash is opened or closed, the rotation direction of the first transmission hinge is opposite to that of the second transmission hinge, and the rotation angle and rotation distance of the first transmission hinge are equal to those of the second transmission hinge.

6. The transmission system according to claim 5, characterized in that, The first lower load-bearing transmission mechanism further includes a linkage hinge. One end of the linkage hinge is rotatably connected to the first lower sliding frame, and the other end of the linkage hinge is rotatably connected to the window sash. The linkage hinge is used to cooperate with the first transmission hinge to open the window sash in parallel. The linkage hinge includes a linkage swing arm and a linkage fixing block. One end of the linkage swing arm is rotatably connected to the first lower sliding frame, and the other end of the linkage swing arm is rotatably connected to the linkage fixing block. The linkage fixing block is fixedly connected to the bottom surface of the window sash.

7. The transmission system according to claim 5, characterized in that, The lower sliding self-locking mechanism includes a lower self-locking component and a lower limiting component. The lower self-locking component is rotatably connected to the first lower sliding frame. The self-locking component is rotatably connected to the first lower sliding frame. One end of the first transmission hinge is provided with a sliding part. The lower self-locking component is provided with a self-locking part that aligns with or abuts against the sliding part and a limiting part that engages with the lower limiting component. When the sliding part is aligned with the self-locking part, one end of the first transmission hinge can slide on the first lower sliding frame, the lower self-locking component is fixed to the first lower sliding frame, the limiting part is engaged with the lower limiting component, and the first lower sliding frame is limited to the slide rail of the window frame. When the sliding part abuts against the self-locking part, one end of the first transmission hinge is fixed to the first lower sliding frame, the lower self-locking component can rotate, causing the limiting part to disengage from the lower limiting component, and the first lower sliding frame can slide within the slide rail of the window frame.

8. The transmission system according to claim 1, characterized in that, The transmission system further includes a locking transmission mechanism, which includes a transmission lock head structure, a window sash closing lock seat, and a window sash inner locking seat. The transmission lock head structure, the window sash closing lock seat, and the window sash inner locking seat do not contact the first lower load-bearing transmission mechanism and the second lower load-bearing transmission mechanism. The transmission lock head structure is used to enter the window sash closing lock seat to lock the window sash to the window frame. The transmission lock head structure is also used to enter the window sash inner locking seat so that the top edge or the bottom surface of the window sash can tilt inwards towards the window frame. The window sash closing lock seat and the window sash inner locking seat are both fixed to the top side wall or the bottom side wall of the window frame, and the transmission lock head structure is slidably connected to the top surface or the bottom surface of the corresponding window sash; and / or, the transmission lock head structure is fixed to the top side wall or the bottom side wall of the window frame, and the window sash closing lock seat and the window sash inner locking seat are both slidably connected to the top surface or the bottom surface of the corresponding window sash.

9. A form, characterized in that, It includes a window frame, a window sash, an operating handle, and a transmission system as described in any one of claims 1-8, wherein the transmission system is disposed between the window frame and the window sash and is throttle connected to the operating handle.

Images