Stable translation door and window
By designing sturdy sliding doors and windows, adopting a matching structure between the outer and inner frames, and combining tracks and ball bearing sliders, the problems of inconvenient installation and poor stability of sliding windows in high-rise residential buildings have been solved, thereby improving the stability and sealing of windows.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-27
AI Technical Summary
Existing sliding windows are inconvenient to install in high-rise residential buildings, have poor stability, are prone to derailment, and have insufficient sealing.
A robust sliding door and window design was created, employing a matching structure for the outer and inner frames, combined with a track structure and ball bearing sliders. The ball bearing sliders are fixed by mounting components, and the track structure and ball bearing sliders work together to enhance load-bearing capacity and stability. A sealing connection is achieved through weatherstripping grooves.
This design achieves good window stability, prevents derailment, has strong load-bearing capacity, and provides excellent sealing performance, reducing installation difficulty and noise while improving safety.
Smart Images
Figure CN224048997U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of translation door and window, specifically relates to a stable translation door and window. BACKGROUND
[0002] In the field of doors and windows, the push-pull window is a kind of window structure with very wide application, and generally, the push-pull window is provided with indoor window sash and outdoor window sash, and therefore, two parallel guide rails are provided, in order to prevent rainwater from flowing into the room through the guide rail under the window frame, the high-low rail structure is provided, that is, the guide rail on the side close to the room of the window frame is higher than the guide rail on the side close to the outside of the room, and the high-low rail structure can effectively improve the waterproof performance of the push-pull window, but the height of the guide rail close to the room is higher than the height of the guide rail close to the outside, which can interfere with the installation of the outdoor window sash, so that the outdoor window sash cannot be installed from the room, but needs to be installed outdoors, but the outdoor installation of high-rise buildings is inconvenient. In addition, due to the large wind pressure of high-rise buildings, the push-pull window is prone to derailment after long-term use, and the stability of the push-pull window has great safety hazards, and the sealing performance needs to be improved. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model provides a stable translation door and window, which has strong bearing capacity, good stability and is not prone to derailment.
[0004] To solve the above technical problems, the utility model provides a stable translation door and window, which comprises:
[0005] The outer frame comprises upper and lower outer frame grooves which are identical in structure.
[0006] The inner frame comprises upper and lower inner frame grooves which are identical in structure, and the outer height of the inner frame matches the inner height of the outer frame.
[0007] The rail structure is detachably connected to the upper and lower outer frame grooves.
[0008] The ball slide is transversely movably sleeved on the rail structure.
[0009] The mounting assembly is used for fixing the ball slide in the upper and lower inner frame grooves.
[0010] Preferably, in the above scheme, the ball slide comprises a sliding sleeve and a ball, the sliding sleeve is fixedly connected to the upper or lower inner frame groove through the mounting assembly, and the sliding sleeve is slidably connected to the rail structure through the ball.
[0011] Preferably, in the above scheme, the sliding sleeve comprises a ball groove and a first wool groove, a plurality of the ball grooves are arranged on the inner wall of the sliding sleeve, the balls are uniformly arranged in the ball grooves, and the first wool grooves are respectively arranged on the inner walls of the two ends of the sliding sleeve, and the arrangement direction of the first wool grooves is perpendicular to the moving direction of the sliding sleeve.
[0012] Preferably, in the above scheme, the track structure comprises a pad, a convex track and a retaining edge, the pad is arranged in the lower outer frame groove, the convex track is arranged on the pad, the ball sliding sleeve is sleeved on the convex track, the second wool groove is arranged on the inner walls of the two sides of the lower inner frame groove, one end of the retaining edge is connected with the convex track, and the other end extends above the second wool groove, and the combination of the convex track and the retaining edge can be buckled into the lower inner frame groove.
[0013] Preferably, in the above scheme, the track structure further comprises an inverted U-shaped track, the inverted U-shaped track is arranged in the upper outer frame groove, and the ball sliding sleeves are respectively sleeved on the two sides of the inverted U-shaped track.
[0014] Preferably, in the above scheme, the mounting assembly comprises a push rail, an assembly part and a fixing plate, the lower part of the push rail is slidably connected with the inner wall of the upper inner frame groove, the upper end of the push rail extends into the upper outer frame groove, the ball sliding sleeves on the two sides of the inverted U-shaped track are fixedly connected with the assembly part, and the push rail, the assembly part and the window inner frame are detachably connected through the fixing plate.
[0015] Preferably, in the above scheme, a screw rod and a driving motor are further arranged, the screw rod is horizontally arranged in the upper outer frame groove, one end of the screw rod is connected with the output end of the driving motor, the other end of the screw rod is rotatably connected with the window outer frame, and the assembly part is threadedly connected with the screw rod.
[0016] Preferably, in the above scheme, the mounting assembly further comprises a lifting frame and a pulling driving part, the bottom of the lifting frame is connected with the ball sliding sleeve, the top of the lifting frame is detachably connected with the window inner frame, and the pulling driving part is used for driving the lifting frame to rise or fall.
[0017] Preferably, in the above scheme, the lifting frame comprises an inner support, an outer support, a limiting column and a guide inclined groove, the inner support is slidably arranged in the outer support, the guide inclined groove is arranged on the side wall of the inner support, the limiting column passes through the guide inclined groove, and the two ends of the limiting column are respectively connected with the inner walls of the two sides of the outer support, the bottom of the inner support is connected with the ball sliding sleeve, and the top of the outer support is detachably connected with the window inner frame.
[0018] Preferably, in the above scheme, the pulling driving part comprises a matched bolt and nut, the head of the bolt is arranged outside one end of the outer support, the tail is sequentially penetrated through the outer support, the inner support and is threadedly connected with the nut, the nut is clamped inside one end of the inner support and is slidably connected with the inner wall of the inner support.
[0019] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0020] 1. A stable translation door and window in the utility model, including window outer frame, window inner frame, track structure, ball slide and installation component, ball slide is horizontally mobile and is connected in track structure, installation component is used for fixing ball slide in upper inner frame recess and lower inner frame recess respectively, through track structure and ball slide cooperation, translation noise is small, can disperse door and window gravity, has strong bearing capacity, stable advantage, moreover, the outer height of window inner frame matches the inner height of window outer frame, and it is not easy to derail after installation and fixation.
[0021] 2. The ball slide in the utility model includes a sleeve and a plurality of balls, the sleeve includes a ball groove and a first wool groove, a plurality of ball grooves are arranged on the inner wall of the sleeve, the arrangement direction of the ball groove is the same as the translation direction of the sleeve, the balls are uniformly arranged in the ball groove, the ball groove can further disperse the gravity of the door and window, the first wool groove is arranged on the inner wall of both ends of the sleeve, the arrangement direction of the first wool groove is perpendicular to the moving direction of the sleeve, and the wool can clean the surface of the track structure during the back-and-forth movement of the ball slide, so that the inside of the ball groove is kept clean.
[0022] 3. The track structure in the utility model includes a backing plate, a convex track and a retaining edge, the backing plate is arranged in the lower outer frame recess, the convex track is arranged on the backing plate, the ball slide is connected to the convex track, the second wool groove is arranged on the inner wall of both sides of the lower inner frame recess, one end of the retaining edge is connected with the convex track, the other end extends above the second wool groove, and the wool is arranged in the second wool groove, so that the sealing connection between the edge of the window inner frame and the retaining edge can be realized.
[0023] 4. The track structure in the utility model further includes an inverted U-shaped track, the inverted U-shaped track is arranged in the upper outer frame recess, and the ball slides are connected to the two sides of the inverted U-shaped track, so that the supporting force on the window inner frame can be enhanced from both sides, and the stability can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a whole structure schematic view of the utility model stable translation door and window.
[0025] Figure 2 It is a lateral structure schematic view of the utility model stable translation door and window.
[0026] Figure 3 It is the window frame mounting structure schematic view of one embodiment of the utility model.
[0027] Figure 4 It is the window frame mounting structure schematic view of another embodiment of the utility model.
[0028] Figure 5 It is the section structure schematic view of the window frame of the utility model.
[0029] Figure 6 It is the mounting structure schematic view of the ball slide and the lifting frame of the utility model.
[0030] Figure 7 It is the side mounting structure schematic view of the lifting frame of the utility model.
[0031] Figure 8 It is the bottom mounting structure schematic view of the lifting frame of the utility model.
[0032] Figure 9 It is the mounting structure schematic view of the inverted U-shaped track, the push rail and the assembly of the utility model.
[0033] Wherein, 1 - window frame, 11 - upper outer frame groove, 12 - lower outer frame groove, 2 - window frame, 21 - upper inner frame groove, 22 - lower inner frame groove, 221 - second wool groove, 3 - track structure, 31 - backing plate, 32 - convex track, 33 - baffle, 34 - inverted U-shaped track, 341 - third wool groove, 4 - ball slide, 41 - sliding sleeve, 411 - ball groove, 412 - first wool groove, 42 - ball, 5 - mounting assembly, 51 - push rail, 52 - assembly, 53 - fixed plate, 54 - lifting frame, 541 - inner support, 542 - outer support, 543 - limit post, 544 - guide inclined slot, 55 - pulling driving part, 551 - bolt, 552 - nut, 56 - fourth wool groove, 6 - screw rod, 7 - driving motor. DETAILED DESCRIPTION
[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0035] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.
[0036] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.
[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" 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 mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.
[0038] like Figures 1 to 4 As shown, this utility model discloses a stable sliding door and window, including an outer frame 1, an inner frame 2, a track structure 3, a ball bearing slider 4, and an installation component 5. The outer frame 1 includes an upper outer frame groove 11 and a lower outer frame groove 12 with identical structures. The inner frame 2 includes an upper inner frame groove 21 and a lower inner frame groove 22 with identical structures. The outer height of the inner frame 2 matches the inner height of the outer frame 1. The track structure 3 is detachably connected to the upper outer frame groove 11 and the lower outer frame groove 12, respectively. The ball bearing slider 4 is laterally movably fitted onto the track structure 3. The installation component 5 is used to fix the ball bearing slider 4 in the upper inner frame groove 21 and the lower inner frame groove 22, respectively. In this embodiment, the upper and lower ends of the inner frame 2 both use the track structure 3 and the ball bearing slider 4 in conjunction, resulting in low sliding noise, dispersing the weight of the door and window, and having the advantages of strong load-bearing capacity and good stability. The outer height of the inner frame 2 matches the inner height of the outer frame 1, making it less prone to derailment after installation and fixation.
[0039] like Figure 6As shown, the ball slider 4 in the embodiment includes a sliding sleeve 41 and balls 42, the sliding sleeve 41 is fixedly connected with the upper inner frame groove 21 or the lower inner frame groove 22 through the mounting assembly 5, and the sliding sleeve 41 is slidingly connected with the track structure 3 through the balls 42. Specifically, the sliding sleeve 41 includes ball grooves 411 and first wool grooves 412, a plurality of ball grooves 411 are arranged on the inner wall of the sliding sleeve 41, the arrangement direction of the ball grooves 411 is the same as the translation direction of the sliding sleeve 41, the balls 42 are uniformly arranged in the ball grooves 411, and the first wool grooves 412 are respectively arranged on the inner walls of both ends of the sliding sleeve 41, the arrangement direction of the first wool grooves 412 is perpendicular to the moving direction of the sliding sleeve 41, wool is installed in the first wool grooves 412, the wool can clean the surface of the track structure 3 during the back-and-forth movement of the ball slider 4, and the inside of the ball groove 411 is kept clean. Preferably, the sliding sleeve 41 is generally provided with a fixed frame and a sleeve piece, the sleeve piece is embeddedly arranged in the fixed frame, and both ends are fixedly connected with the fixed frame through clamping pieces, the first wool grooves 412 are arranged on the sleeve piece inside the clamping pieces, and the bottom sides of the fixed frame are provided with fourth wool grooves 56, wool is installed in the fourth wool grooves 56, and sealed connection between the edges of the ball slider 4 and the track structure 3 can be realized.
[0040] With reference to the foregoing Figure 3 、 Figure 5 , the track structure 3 in the embodiment includes a pad plate 31, a convex track 32 and a retaining edge 33, the pad plate 31 is arranged in the lower outer frame groove 12, the convex track 32 is arranged on the pad plate 31, the ball slider 4 is sleeved on the convex track 32, the second wool grooves 221 are arranged on the inner walls of both sides of the lower inner frame groove 22, one end of the retaining edge 33 is connected with the convex track 32, the other end extends above the second wool grooves 221, wool is installed in the second wool grooves 221, sealed connection between the edges of the inner window frame 2 and the retaining edge 33 can be realized, and the combination structure of the convex track 32 and the retaining edge 33 can be buckled into the lower inner frame groove 22.
[0041] It is understandable that both the outer window frame 1 and the inner window frame 2 in this embodiment are made of thermally broken aluminum profiles. In some embodiments, when the upper outer frame groove 11 and the lower outer frame groove 12 are provided with the same track structure 3, before installing the inner window frame 2, the pad 31 is first installed into the upper outer frame groove 11 and the lower outer frame groove 12 respectively. Then, the ball slider 4 is sleeved on the convex track 32 and moved to one side. Then, the other side of the convex track 32 is completely inserted into the upper inner frame groove 21 and the lower inner frame groove 22. The inner window frame 2 and the convex track 32 are placed into the outer window frame 1 as a whole, so that the convex track 32 is aligned with the position of the upper outer frame groove 11 and the lower outer frame groove 12. Next, the convex track 32 in the upper inner frame groove 21 and the lower inner frame groove 22 are fixedly installed on the pad 31 respectively. Then, the ball slider 4 is pushed into the upper inner frame groove 21 and the lower inner frame groove 22 from the side. Finally, the installation component 5 is used to fix the ball slider 4 onto the upper inner frame groove 21 and the lower inner frame groove 22 respectively.
[0042] Continue to refer to Figure 4 , Figure 9 The track structure 3 also includes an inverted U-shaped track 34, which is located within the upper outer frame groove 11. Ball bearing sliders 4 are fitted onto both sides of the inverted U-shaped track 34, enhancing the support force on the inner window frame 2 from both sides and improving stability. Specifically, the mounting assembly 5 includes a push rail 51, a fitting 52, and a fixing plate 53. The lower two sides of the push rail 51 are slidably connected to the inner wall of the upper inner frame groove 21, and the upper end extends into the upper outer frame groove 11. The ball bearing sliders 4 on both sides of the inverted U-shaped track 34 are fixedly connected to the fitting 52. The push rail 51, fitting 52, and inner window frame 2 are detachably connected via the fixing plate 53. Preferably, the push rail 51, fitting 52, and inner window frame 2 are provided with threaded holes, and the fixing plate 53 is provided with an elongated through hole. First, the push rail 51 and fixing plate 53 are fixedly installed using fastening bolts, and then the fixing plate 53 is aligned and fixedly installed with the fitting 52 and inner window frame 2 using fastening bolts. In addition, a third weatherstrip groove 341 is provided at the bottom of the inverted U-shaped track 34 near the upper end of the push rail 51, in which a weatherstrip is installed to achieve a sealed connection between the edge of the push rail 51 and the inverted U-shaped track 34.
[0043] It can be understood that in another part of the embodiment, when the upper outer frame groove 11 and the lower outer frame groove 12 are provided with different track structures 3, the gasket plate 31 is installed into the lower outer frame groove 12 before the window inner frame 2 is installed, the ball block 4 connected with the assembly part 52 is sleeved on the inverted U-shaped track 34, the inverted U-shaped track 34 is installed into the upper outer frame groove 11, and the assembly part 52 is integrally moved to one side; then the ball block 4 is sleeved on the convex track 32 and moved to one side, the other side of the convex track 32 is completely buckled into the lower inner frame groove 22, the window inner frame 2 and the convex track 32 are integrally placed into the window outer frame 1, so that the convex track 32 is aligned with the position of the lower outer frame groove 12, then the convex track 32 in the lower inner frame groove 22 is fixedly installed on the gasket plate 31, the ball block 4 is pushed into the lower inner frame groove 22 from the side, and the ball block 4 is fixed on the lower inner frame groove 22 by using the installation assembly 5, the assembly part 52 is integrally pushed into the upper inner frame groove 21 from the side, the push rail 51 is pushed into the upper inner frame groove 21 from the side, and the push rail 51, the assembly part 52 and the window inner frame 2 are fixedly connected by using the fixing plate 53.
[0044] Further, the embodiment further includes a screw rod 6 and a driving motor 7, the screw rod 6 is horizontally arranged in the upper outer frame groove 11, one end of the screw rod 6 is connected with the output end of the driving motor 7, the other end is rotationally connected with the window outer frame 1, the assembly part 52 is threadedly connected with the screw rod 6, the screw rod 6 is driven to rotate forward or reversely by the driving motor 7, and the window inner frame 2 is driven to move back and forth by the assembly part 52, so that intelligent control of the sliding door and window can be realized.
[0045] Continuing to refer to Figure 6 , Figure 7 , the installation assembly 5 in the embodiment further includes a lifting frame 54 and a pulling driving part 55, the bottom of the lifting frame 54 is connected with the ball block 4, the top is detachably connected with the window inner frame 2, and the pulling driving part 55 is used to drive the lifting frame 54 to rise or fall. Specifically, the lifting frame 54 includes an inner support 541, an outer support 542, a limiting column 543 and a guide inclined slot 544, the inner support 541 is slidably arranged in the outer support 542, the top of the outer support 542 is detachably connected with the window inner frame 2, the guide inclined slot 544 is arranged on the side wall of the inner support 541, the limiting column 543 passes through the guide inclined slot 544, and the two ends are respectively connected with the inner walls on both sides of the outer frame, and the two sides of the inner support 541 can be fixedly connected with the top of the two sides of the fixed frame of the sliding sleeve 41 by arranging fixing holes on the inner walls of the two sides of the inner support 541. Figure 8 Further, a connecting plate with a threaded hole can be arranged on the bottom of the inner support 541, a through hole penetrating up and down is arranged on the fixed frame of the sliding sleeve 41, and a countersunk screw hole penetrating up and down is arranged in the sleeving part, so that the sleeving part, the fixed frame and the inner support 541 of the sliding sleeve 41 can be fixedly installed by fastening bolts from below of the sleeving part of the sliding sleeve 41.
[0046] Further, the pulling driving part 55 comprises a matched bolt 551 and nut 552, the head of the bolt 551 is arranged outside one end of the outer support 542, the tail is sequentially threaded through the outer support 542, the inner support 541 and then is screwed with the nut 552, the nut 552 is clamped inside one end of the inner support 541 and is in sliding connection with the inner wall of the inner support 541.
[0047] It is worth mentioning that, by arranging the lifting frame 54 and the pulling driving part 55, adopting the mode of first installation and fixation and then adjustment of the height of the lifting frame 54, the difficulty of the alignment work in the installation process of the window stile 2 can be reduced. In the installation process of the window stile 2, the lifting frame 54 and the ball slide 4 can be first installed and fixed on the window stile 2, then the ball slide 4 is sleeved on the convex track 32, then the lifting frame 54 is adjusted to be lowered to the lowest height, so that the convex track 32 can be completely buckled into the lower stile groove 22, the window stile 2 and the convex track 32 are placed into the window outer frame 1 as a whole, finally the lifting frame 54 is adjusted to be raised to the appropriate height, and then the lower installation work of the window stile 2 can be completed.
[0048] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to limit the present application to the precise forms described. Many modifications and variations are possible in light of the above teachings without departing from the spirit or essential characteristics of the present application. The exemplary embodiments were chosen and described in order to explain the principles of the present application and its practical application and to allow others skilled in the art to understand the present application for various exemplary embodiments with various modifications being applicable. The scope of the present application is intended to be defined by the claims and their equivalents.
Claims
1. A stable sliding door and window characterized in that, The application relates to a window frame structure. The window frame structure comprises an outer frame, an inner frame, a track structure, a ball sliding block and a mounting assembly. The outer frame comprises upper and lower outer frame grooves which are identical in structure. The inner frame comprises upper and lower inner frame grooves which are identical in structure, and the outer height of the inner frame matches the inner height of the outer frame. The track structure is detachably connected with the upper and lower outer frame grooves respectively. The ball sliding block is movably sleeved on the track structure.
2. A stable sliding door and window according to claim 1, characterized in that, The mounting assembly is used for fixing the ball sliding block in the upper and lower inner frame grooves respectively.
3. A stable sliding door and window according to claim 2, characterized in that, The ball sliding block comprises a sliding sleeve and balls.
4. A stable sliding door and window according to claim 1, characterized in that, The sliding sleeve is fixedly connected with the upper or lower inner frame groove through the mounting assembly, and the sliding sleeve is slidably connected with the track structure through the balls.
5. A stable sliding door and window according to claim 4, characterized in that The sliding sleeve comprises ball grooves and first wool grooves.
6. A stable sliding door and window according to claim 5, characterized in that The ball grooves are arranged on the inner wall of the sliding sleeve.
7. A stable sliding door and window according to claim 6, characterized in that The balls are arranged in the ball grooves.
8. A stable sliding door and window according to claim 1, characterized in that, The first wool grooves are arranged on the inner walls of the two ends of the sliding sleeve.
9. A stable sliding door and window according to claim 8, characterized in that, The setting direction of the first wool grooves is perpendicular to the moving direction of the sliding sleeve. The track structure comprises a pad, a convex track and a stopper. The pad is arranged in the lower outer frame groove. The convex track is arranged on the pad. The ball sliding block is sleeved on the convex track. Second wool grooves are arranged on the inner walls of the two sides of the lower inner frame groove. One end of the stopper is connected with the convex track. The other end of the stopper extends above the second wool grooves. The combination of the convex track and the stopper can be buckled into the lower inner frame groove. The track structure further comprises an inverted U-shaped track. The inverted U-shaped track is arranged in the upper outer frame groove. The ball sliding blocks are sleeved on the two sides of the inverted U-shaped track. The mounting assembly comprises a push rail, an assembling piece and a fixing plate. The lower part of the push rail is slidably connected with the inner wall of the upper inner frame groove. The upper end of the push rail extends into the upper outer frame groove. The ball sliding blocks on the two sides of the inverted U-shaped track are fixedly connected with the assembling piece. The push rail, the assembling piece and the inner frame are detachably connected through the fixing plate. The application further comprises a screw rod and a driving motor. The screw rod is horizontally arranged in the upper outer frame groove. One end of the screw rod is connected with the output end of the driving motor. The other end of the screw rod is rotatably connected with the outer frame. The assembling piece is threadedly connected with the screw rod. The mounting assembly further comprises a lifting frame and a pulling driving part. The bottom of the lifting frame is connected with the ball sliding block. The top of the lifting frame is detachably connected with the inner frame. The pulling driving part is used for driving the lifting frame to ascend or descend. The lifting frame comprises an inner support, an outer support, a limiting column and a guide inclined groove. The inner support is slidably arranged in the outer support. The guide inclined groove is arranged on the side wall of the inner support. The limiting column passes through the guide inclined groove. The bottom of the inner support is connected with the ball sliding block. The top of the outer support is detachably connected with the inner frame.
10. A stable sliding door and window according to claim 9, characterized in that The pulling driving part comprises matched bolts and nuts, the head of the bolt is arranged outside one end of the outer support, the tail of the bolt penetrates the outer support and the inner support in sequence and is threadedly connected with the nut, the nut is clamped inside one end of the inner support and is in sliding connection with the inner wall of the inner support.