Sliding device and window

Abstract

The application provides a sliding device and a window body, the sliding device comprising a sliding frame, a swing arm transmission assembly, a self-locking assembly and a limiting assembly; the sliding frame is slidably connected in a sliding rail of a window frame, and the limiting assembly is fixed to the window frame; one end of the swing arm transmission assembly is slidably connected to the sliding frame, the other end of the swing arm transmission assembly is rotatably connected to a window sash, and the self-locking assembly is self-rotatably connected to the sliding frame; the one end of the swing arm transmission assembly is provided with a sliding part, the self-locking assembly is provided with a self-locking part in position or abutting with the sliding part and a limiting part for clamping with the limiting assembly. When the sliding part is in position with the self-locking part, the one end of the swing arm transmission assembly is slidable in the sliding frame, the self-locking assembly is fixed to the sliding frame, the limiting part is clamped with the limiting assembly, and the sliding frame is limited in the sliding rail of the window frame; when the sliding part abuts with the self-locking part, the one end of the swing arm transmission assembly is fixed to the sliding frame, the self-locking assembly is self-rotatable, the limiting part is separated from the limiting assembly, and the sliding frame is slidable in the sliding rail of the window frame.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building doors and windows, and particularly relates to a sliding device and a window body. BACKGROUND

[0002] At present, the inwardly tiltable transom window on the market has a window frame as a sliding rail, and after the window sash is pushed open, the window sash is horizontally translated along the window frame to achieve the effect of transom opening. In the existing products, the sliding hinge structure connecting the window sash and the window frame can only position the maximum angle of the hinge rotating to push open the window sash, and after the window sash is opened to the maximum angle, the hinge cannot be self-locked, and the window sash is prone to shaking. The above-mentioned products generally have unreasonable structure, unstable product, and the action conversion is not smooth during the opening and closing process, and therefore, the market recognition is not high. SUMMARY

[0003] The present application aims to provide a sliding device and a window body, so as to realize that the window sash does not translate when being pushed open, and the window sash does not shake when being translated, thereby solving the problem of the action being not smooth during the opening and closing process of the window sash.

[0004] The first aspect of the present application discloses a sliding device, comprising a sliding frame, a swing arm transmission assembly, a self-locking assembly and a limiting assembly; the sliding frame is slidably connected in the sliding rail of a window frame, the limiting assembly is fixed to the window frame; one end of the swing arm transmission assembly is slidably connected to the sliding frame, the other end of the swing arm transmission assembly is rotatably connected to a window sash, the self-locking assembly is self-rotatably connected to the sliding frame, one end of the swing arm transmission assembly is provided with a sliding part, the self-locking assembly is provided with a self-locking part in position or abutting with the sliding part and a limiting part clamped with the limiting assembly;

[0005] When the sliding part is in position with the self-locking part, one end of the swing arm transmission assembly is slidable in the sliding frame, the self-locking assembly is fixed to the sliding frame, the limiting part is clamped with the limiting assembly, and the sliding frame is limited in the sliding rail of the window frame.

[0006] When the sliding part abuts with the self-locking part, one end of the swing arm transmission assembly is fixed to the sliding frame, the self-locking assembly is self-rotatable, the limiting part is separated from the limiting assembly, and the sliding frame is slidable in the sliding rail of the window frame.

[0007] Preferably, the sliding part comprises a sliding wall and an abutting wall, the self-locking part is provided with a locking protrusion; when the locking protrusion is in position with the sliding wall, the sliding wall is parallelly slidable outside the locking protrusion, so that one end of the swing arm transmission assembly is slidable; when the locking protrusion is rotated to be in abutment with the abutting wall, the self-locking assembly is self-rotatable, and one end of the swing arm transmission assembly is locked.

[0008] Preferably, the self-locking part comprises a sliding wall and a bearing wall, the sliding part is provided with a locking protrusion; when the locking protrusion is aligned with the sliding wall, the locking protrusion can slide in the sliding wall in parallel, so that one end of the swing arm transmission assembly can slide; when the locking protrusion is rotated to the bearing wall, the self-locking assembly can rotate, and one end of the swing arm transmission assembly is locked.

[0009] Preferably, the bearing wall is an arc-shaped guide rail, and the curvature of the bearing wall is greater than or equal to the maximum curvature of the self-locking assembly when the self-locking part is aligned with the sliding part.

[0010] Preferably, the limiting assembly is provided with a clamping part matched with the limiting part, the limiting part is a clamping hook or a clamping groove, and the clamping part is a clamping groove or a clamping hook corresponding to the limiting part; the width of the clamping groove is greater than the width of the clamping hook, so that the clamping hook can be separated from the clamping groove when the self-locking assembly rotates.

[0011] Preferably, the self-locking assembly comprises a self-locking hook, a self-locking elastic member and a self-locking rotating shaft, the limiting part and the self-locking part are arranged on the self-locking hook, the self-locking rotating shaft is fixed to the sliding frame, the self-locking hook and the self-locking elastic member are sleeved on the self-locking rotating shaft, one end of the self-locking elastic member is fixed to the sliding frame, the other end of the self-locking elastic member is fixed to the self-locking hook, and the self-locking elastic member applies an acting force to the self-locking hook to make the self-locking part bear against the sliding part.

[0012] Preferably, the swing arm transmission assembly comprises a rotating transmission member and a sliding cover plate, the sliding cover plate is slidably connected to the sliding frame, one end of the rotating transmission member is rotatably connected to the sliding cover plate, the other end of the rotating transmission member is rotatably connected to the window sash, and the sliding part is arranged in the sliding cover plate.

[0013] Preferably, the sliding cover plate is provided with a sliding limiting groove, the sliding limiting groove comprises a slot and a boss arranged outside the slot, the self-locking rotating shaft is further provided with a sliding piece, the self-locking rotating shaft passes through the slot, and the sliding piece slides on the boss.

[0014] Preferably, the rotating transmission member comprises a first rotating shaft, a rotating connecting plate, a second rotating shaft and a swing arm, the first rotating shaft is rotatably connected to the sliding cover plate, the second rotating shaft is rotatably connected to the swing arm, the two ends of the rotating connecting plate are rotatably connected to the first rotating shaft and the second rotating shaft respectively, and the swing arm is rotatably connected to the window sash.

[0015] The second aspect of the present application discloses a window body comprising a window frame, a window sash and the sliding device.

[0016] The present application has the advantages of:

[0017] The sliding device of the present application uses the swing arm transmission assembly to connect the window sash and convert the rotating force of the window sash into the sliding force between the sliding frame and the window sash. Before the window sash is opened to the maximum angle, during the closing process of the window sash and in the closed state of the window sash, the sliding part is aligned with the self-locking part, so that the swing arm transmission assembly can slide in the sliding frame to realize the opening and closing of the window sash. At this time, the limiting part is clamped with the limiting assembly, and the sliding frame cannot move, thereby ensuring the stability of the window sash during the opening and closing process. After the window sash is opened to the maximum angle, the sliding part is in abutment with the self-locking part, so that the swing arm transmission assembly is locked in the sliding frame. At this time, the sliding frame can move in the sliding rail of the window frame, thereby ensuring that the window sash does not shake during the translation process. The sliding device of the present application can be applied to the transmission operation of the window sash and the window frame, and can realize smooth opening and closing of the window sash. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a partial enlarged view of the window body;

[0019] Figure 2 is an exploded view of the sliding device;

[0020] Figure 3 is a limiting state view of the sliding device;

[0021] Figure 4 is a partial cross-sectional view of the sliding device in the limiting state;

[0022] Figure 5 is a self-locking state view of the sliding device;

[0023] Figure 6 is a partial cross-sectional view of the sliding device in the self-locking state;

[0024] Figure 7 is a partial cross-sectional view of the sliding device in the transition state;

[0025] Figure 8 is a structural view of the sliding frame;

[0026] Figure 9 is a front structural view of the sliding cover plate;

[0027] Figure 10 is a back structural view of the sliding cover plate;

[0028] Figure 11 is a structural view of the limiting assembly;

[0029] Figure 12 is an exploded structural view of the self-locking assembly;

[0030] Figure 13 Structure diagram of self-locking hook.

[0031] Explanation of reference signs:

[0032] 1, sliding device; 2, window frame; 3, window sash;

[0033] 10, sliding frame; 11, limiting protrusion;

[0034] 20, swing arm transmission assembly; 21, rotary transmission part; 211, first rotary shaft; 212, rotary connecting plate; 213, second rotary shaft; 214, swing arm; 22, sliding cover plate; 221, sliding part; 2211, sliding wall; 2212, abutting wall; 222, sliding limiting groove; 2221, slot hole; 2222, boss;

[0035] 30, self-locking assembly; 31, self-locking hook; 311, self-locking part; 3111, locking protrusion; 312, limiting part; 3121, clamping groove bottom surface; 3122, first clamping groove side surface; 3123, second clamping groove side surface; 32, self-locking elastic member; 33, self-locking rotary shaft; 331, sliding sheet;

[0036] 40, limiting assembly; 41, clamping part; 411, clamping hook top surface; 412, first clamping hook side surface; 413, second clamping hook side surface. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0038] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for description purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two components. For those skilled in the art, the specific meaning of the terms in the present application can be understood according to the specific circumstances.

[0039] Referring to Figure 1 The embodiment discloses a window body, comprising a window frame 2, a window sash 3 and the sliding device 1 described above, which is connected between the window frame 2 and the window sash 3. Specifically, the sliding device 1 is applied to the lower transmission of the window sash 3 of the inwardly-inverted sliding window, which can realize that the window sash 3 cannot be translated and slid during the pushing-open process; and the window sash 3 cannot be pushed open during the translation and sliding of the window sash 3.

[0040] Further referring to Figures 2-10 The sliding device 1 comprises a sliding frame 10, a swing arm transmission assembly 20, a self-locking assembly 30 and a limiting assembly 40; the sliding frame 10 is slidably connected in the sliding rail of the window frame 2, and the limiting assembly 40 is fixed to the window frame 2; one end of the swing arm transmission assembly 20 is slidably connected to the sliding frame 10, and the other end of the swing arm transmission assembly 20 is rotatably connected to the window sash 3; the self-locking assembly 30 is self-rotatably connected to the sliding frame 10; one end of the swing arm transmission assembly 20 is provided with a sliding part 221, and the self-locking assembly 30 is provided with a self-locking part 311 which is in position or abuts against the sliding part 221 and a limiting part 312 which is clamped with the limiting assembly 40.

[0041] Referring to Figures 3-4 In the limiting state of the sliding device 1, during the opening process of the window sash 3, during the process that the window sash 3 enters the closed state from the maximum angle, and in the closed state of the window sash 3, the sliding part 221 is in position with the self-locking part 311, one end of the swing arm transmission assembly 20 is slidable in the sliding frame 10, the self-locking assembly 30 is fixed to the sliding frame 10, the limiting part 312 is clamped with the limiting assembly 40, and the sliding frame 10 is limited in the sliding rail of the window frame 2.

[0042] Referring to Figures 5-6 In the self-locking state of the sliding device 1, when the window sash 3 is opened to the maximum angle, the sliding part 221 is out of the position of the self-locking part 311 and abuts against the self-locking part 311, one end of the swing arm transmission assembly 20 is fixed to the sliding frame 10, the self-locking assembly 30 can be self-rotated to the maximum angle, the limiting part 312 is out of the limiting assembly 40, and the sliding frame 10 is slidable in the sliding rail of the window frame 2.

[0043] Referring to Figures 12-13 The self-locking assembly 30 comprises a self-locking hook 31, a self-locking elastic piece 32 and a self-locking rotating shaft 33, the limiting part 312 and the self-locking part 311 are both arranged on the self-locking hook 31, the self-locking rotating shaft 33 is fixed to the sliding frame 10, the self-locking hook 31 and the self-locking elastic piece 32 are both sleeved on the self-locking rotating shaft 33, one end of the self-locking elastic piece 32 is fixed to the sliding frame 10, the other end of the self-locking elastic piece 32 is fixed to the self-locking hook 31, and the self-locking elastic piece 32 applies an acting force to the self-locking hook 31 to make the self-locking part 311 abut against the sliding part 221. The self-locking elastic piece 32 in the scheme can be any one of a torsion spring, a spring or a spring piece.

[0044] Referring toFigures 8-10 The swing arm transmission assembly 20 comprises a rotating transmission member 21 and a sliding cover plate 22, the sliding cover plate 22 is rotatably connected to the sliding frame 10, one end of the rotating transmission member 21 is rotatably connected to the sliding cover plate 22, the other end of the rotating transmission member 21 is rotatably connected to the sash 3, and the sliding part 221 is arranged in the sliding cover plate 22. It should be noted that the rotating transmission member 21 converts the rotating force of the sash 3 into the translational sliding force of the sliding cover plate 22, and the sliding or fixing of the sliding cover plate 22 can control the activity or locking of the sash 3.

[0045] Specifically, in an embodiment, the sliding part 221 comprises a sliding wall 2211 and an abutting wall 2212, and the self-locking part 311 is provided with a locking protrusion 3111.

[0046] The sliding wall 2211 and the abutting wall 2212 are integrally formed on the inner surface of the sliding cover plate 22, wherein the sliding wall 2211 comprises two sliding walls 2211, and the two sliding walls 2211 surround to form an elongated slot, the length direction of the sliding wall 2211 is consistent with the sliding direction of the sliding cover plate 22, and the abutting wall 2212 is arranged along the slot edge of the sliding wall 2211, so that when the locking protrusion 3111 rotates out of the sliding wall 2211, the locking protrusion 3111 abuts against the abutting wall 2212.

[0047] Further, the sliding frame 10 is provided with a limiting protrusion 11 matched with the sliding wall 2211, the limiting protrusion 11 is slidable in the sliding wall 2211, and is used for limiting the sliding direction of the sliding wall 2211.

[0048] When the locking protrusion 3111 is aligned with the sliding wall 2211, the central axes of the limiting protrusion 11, the locking protrusion 3111 and the sliding wall 2211 are on the same straight line, and the sliding wall 2211 can slide in parallel on the locking protrusion 3111 and the limiting protrusion 11, so that one end of the swing arm transmission assembly 20 is slidable;

[0049] When the locking protrusion 3111 rotates to abut against the abutting wall 2212, the self-locking assembly 30 can rotate, and one end of the swing arm transmission assembly 20 is locked;

[0050] Further referring to Figure 7 When the locking protrusion 3111 is aligned with the sliding wall 2211 and is also on the track of the abutting wall 2212, the sliding device 1 is in a transition state, if a pushing force is applied to the sash 3, the locking protrusion 3111 is aligned in the sliding wall 2211, the sash 3 can be further pushed away, the self-locking assembly 30 does not rotate, and the sliding frame 10 is limited by the limiting assembly 40. If a translational force is applied to the sliding frame 10, the locking protrusion 3111 rotates to abut against the abutting wall 2212, the sash 3 is locked, and the sliding frame 10 can be translated.

[0051] In another embodiment, the self-locking part 311 comprises a sliding wall 2211 and a resisting wall 2212, the sliding part 221 is provided with a locking protrusion 3111; when the locking protrusion 3111 is aligned with the sliding wall 2211, the locking protrusion 3111 can slide in parallel in the sliding wall 2211, so that one end of the swing arm transmission assembly 20 can slide; when the locking protrusion 3111 is rotated to resist the resisting wall 2212, the self-locking assembly 30 can rotate, and one end of the swing arm transmission assembly 20 is locked. It can be understood that the specific structure of the self-locking part 311 and the sliding part 221 is not limited, and the specific structure of the sliding part 221 and the self-locking part 311 can be interchanged in actual production operation, as long as the above functions can be realized.

[0052] Further, the resisting wall 2212 is an arc-shaped guide rail, and the curvature of the resisting wall 2212 is greater than or equal to the maximum angle at which the self-locking assembly 30 can rotate when the self-locking part 311 is aligned with the sliding part 221. The curvature of the resisting wall 2212 is preferably equal to the maximum angle at which the self-locking assembly 30 can rotate, so that the self-locking part 311 can still resist the resisting wall 2212 when it rotates to the maximum angle, ensuring the connection between the self-locking assembly 30 and the sliding cover plate 22, and avoiding the movement of the sliding cover plate 22.

[0053] Referring to Figures 9-10 , the sliding cover plate 22 is further provided with a sliding limiting groove 222, the sliding limiting groove 222 comprises a slot hole 2221 and a boss 2222 surrounding the slot hole 2221, and the self-locking rotating shaft 33 is further provided with a sliding sheet 331, the self-locking rotating shaft 33 is arranged in the slot hole 2221, and the sliding sheet 331 slides on the boss 2222. The sliding limiting groove 222 is arranged to further limit the sliding range of the sliding cover plate 22, and directly cooperates with the self-locking rotating shaft 33, so that further components arranged on the sliding frame 10 can be reduced, the structure is simplified, and the sliding stability of the sliding cover plate 22 can be improved.

[0054] Specifically, the rotating transmission member 21 comprises a first rotating shaft 211, a rotating connecting plate 212, a second rotating shaft 213 and a swing arm 214, the first rotating shaft 211 is fixed to the sliding cover plate 22, the second rotating shaft 213 is fixed to the swing arm 214, the two ends of the rotating connecting plate 212 are rotatably connected with the first rotating shaft 211 and the second rotating shaft 213 respectively, and the swing arm 214 is rotatably connected with the window sash 3. The first rotating shaft 211, the rotating connecting plate 212 and the second rotating shaft 213 are used to transmissionally connect the swing arm 214 and the sliding cover plate 22, so that the sliding action of the sliding cover plate 22 is consistent with the rotating action of the window sash 3.

[0055] Referring to Figure 11 and Figure 12In an embodiment, the limiting component 40 is provided with a clamping portion 41 matched with the limiting portion 312. The limiting portion 312 is a clamping groove, and the clamping portion 41 is a clamping hook matched with the limiting portion 312. The limiting portion 312 includes a clamping groove bottom surface 3121, a first clamping groove side surface 3122, and a second clamping groove side surface 3123. The size of the clamping groove bottom surface 3121 is slightly larger than that of the clamping hook. The angle between the clamping groove bottom surface 3121 and the first clamping groove side surface 3122 is a right angle, and the angle between the clamping groove bottom surface 3121 and the second clamping groove side surface 3123 is an obtuse angle. The clamping portion 41 includes a clamping hook top surface 411, a first clamping hook side surface 412, and a second clamping hook side surface 413. The angle between the clamping hook top surface 411 and the first clamping hook side surface 412 and the angle between the clamping hook top surface 411 and the second clamping hook side surface 413 are right angles. When the clamping hook is clamped in the clamping groove, the first clamping groove side surface 3122 is in contact with the first clamping hook side surface 412, and the first clamping groove side surface 3122 is inclined to the first clamping hook side surface 412. When the self-locking component 30 rotates, the connection position of the second clamping hook side surface 413 and the second clamping hook bottom surface can rotate along the second clamping groove side surface 3123, so as to realize the disengagement of the limiting portion 312 and the clamping portion 41.

[0056] In another embodiment, the limiting portion 312 is a clamping hook, and the clamping portion 41 is a clamping groove matched with the limiting portion 312. The clamping manner is the same as that in the previous embodiment.

[0057] The above are only preferred embodiments of the present application, and are not used to limit the present application. Any modification, equivalent replacement, and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sliding device, characterized in that The application relates to a window sash driving device, which comprises a sliding frame, a swing arm driving assembly, a self-locking assembly and a limiting assembly; the sliding frame is slidably connected in a sliding rail of a window frame; the limiting assembly is fixed to the window frame; one end of the swing arm driving assembly is slidably connected to the sliding frame; the other end of the swing arm driving assembly is rotatably connected to a window sash; the self-locking assembly is self-rotatably connected to the sliding frame; one end of the swing arm driving assembly is provided with a sliding part; the self-locking assembly is provided with a self-locking part which is in position or abuts against the sliding part and a limiting part which is clamped with the limiting assembly. When the sliding part is in position with the self-locking part, one end of the swing arm driving assembly can slide in the sliding frame; the self-locking assembly is fixed to the sliding frame; the limiting part is clamped with the limiting assembly; and the sliding frame is limited in the sliding rail of the window frame. When the sliding part abuts against the self-locking part, one end of the swing arm driving assembly is fixed to the sliding frame; the self-locking assembly can be self-rotated; the limiting part is separated from the limiting assembly; and the sliding frame can slide in the sliding rail of the window frame.

2. The sliding device according to claim 1, characterized in that The sliding part comprises a sliding wall and an abutting wall; the self-locking part is provided with a locking protrusion; when the locking protrusion is in position with the sliding wall, the sliding wall can slide in parallel outside the locking protrusion, so that one end of the swing arm driving assembly can slide; when the locking protrusion is rotated to abut against the abutting wall, the self-locking assembly can be self-rotated, and one end of the swing arm driving assembly is locked.

3. The sliding arrangement of claim 1, wherein, The self-locking part comprises a sliding wall and an abutting wall; the sliding part is provided with a locking protrusion; when the locking protrusion is in position with the sliding wall, the locking protrusion can slide in parallel in the sliding wall, so that one end of the swing arm driving assembly can slide; when the locking protrusion is rotated to abut against the abutting wall, the self-locking assembly can be self-rotated, and one end of the swing arm driving assembly is locked.

4. The sliding arrangement according to claim 2 or 3, characterized in that The abutting wall is an arc-shaped guide rail; the curvature of the abutting wall is greater than or equal to the maximum curvature of the self-locking assembly when the self-locking part is in position with the sliding part.

5. The sliding arrangement of claim 1, wherein, The limiting assembly is provided with a clamping part which is matched with the limiting part; the limiting part is a clamping hook or a clamping groove; the clamping part is a clamping groove or a clamping hook which is matched with the limiting part; the slot width of the clamping groove is greater than the width of the clamping hook, so that the clamping hook can be separated from the clamping groove when the self-locking assembly is self-rotated.

6. The sliding arrangement of claim 1, wherein, The self-locking assembly comprises a self-locking hook, a self-locking elastic member and a self-locking rotating shaft; the limiting part and the self-locking part are arranged on the self-locking hook; the self-locking rotating shaft is fixed to the sliding frame; the self-locking hook and the self-locking elastic member are sleeved on the self-locking rotating shaft; one end of the self-locking elastic member is fixed to the sliding frame; the other end of the self-locking elastic member is fixed to the self-locking hook; the self-locking elastic member applies an acting force to the self-locking hook, so that the self-locking part abuts against the sliding part.

7. The sliding arrangement of claim 6, wherein, The swing arm driving assembly comprises a rotating transmission member and a sliding cover plate; the sliding cover plate is slidably connected to the sliding frame; one end of the rotating transmission member is rotatably connected to the sliding cover plate; the other end of the rotating transmission member is rotatably connected to the window sash; and the sliding part is arranged in the sliding cover plate.

8. The sliding arrangement of claim 7, wherein, The sliding cover plate is provided with a sliding limiting groove, the sliding limiting groove comprises a slot hole and a boss surrounding the slot hole, a sliding piece is further arranged on the self-locking rotating shaft, the self-locking rotating shaft is arranged through the slot hole, and the sliding piece slides on the boss.

9. The sliding arrangement of claim 7, wherein, The rotating transmission part comprises a first rotating shaft, a rotating connecting plate, a second rotating shaft and a swing arm, the first rotating shaft is rotatably connected to the sliding cover plate, the second rotating shaft is rotatably connected to the swing arm, the two ends of the rotating connecting plate are rotatably connected to the first rotating shaft and the second rotating shaft respectively, and the swing arm is rotatably connected to the window sash.

10. A window characterized in that, The sliding device comprises a window frame, a window sash and any one of the sliding devices according to claims 1-9, and the sliding device is connected between the window frame and the window sash.

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