CN213597771U - Sliding assembly and door and window system - Google Patents

Abstract

The utility model relates to a sliding assembly and door and window system, a sliding assembly includes the slide, first supporting part, second supporting part and brush, first supporting part and second supporting part connect respectively in the both ends of slide and with the guide rail butt, the brush is located between first supporting part and the second supporting part, the slide is equipped with first recess towards the first side of guide rail, the slide is equipped with the mounting groove that communicates with first recess towards the second side of guide rail, the brush can stretch into and the joint in the mounting groove by the notch of first recess, the brush at least part expose outside the mounting groove and with the guide rail butt. A door and window system comprises a guide rail, the sliding assembly and the movable sash, wherein the first supporting part and the second supporting part are abutted to the guide rail, and the movable sash is connected with the sliding seat and can slide relative to the guide rail. According to the sliding assembly and the door and window system, the hairbrush can be detachably connected to the sliding seat without additionally arranging a connecting structure on the sliding seat, so that the hairbrush can be conveniently and timely replaced to effectively clean the guide rail.

Description

Sliding assembly and door and window system

Technical Field

The utility model relates to a door and window accessory technical field especially relates to a sliding assembly and door and window system.

Background

In the traditional sliding assembly, the hairbrush is arranged on two sides of the sliding seat, a connecting structure is required to be additionally arranged to be connected with the sliding seat, the occupied space is large, the structure is complex, the hairbrush is complex to assemble and disassemble and is easy to separate from the guide rail, and the hairbrush cannot be brushed on the guide rail surface.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a sliding assembly and a door/window system that can solve the problems of complicated assembly and disassembly of the brush and easy detachment from the guide rail.

A sliding assembly is arranged on a movable fan and is abutted against a guide rail, the movable fan can drive the sliding assembly to slide along the guide rail by pushing and pulling along a first direction, and the sliding assembly comprises:

a slide base;

the first supporting part and the second supporting part are used for supporting the sliding seat, and are respectively connected to two ends of the sliding seat and abutted against the guide rail; and

the brush is located first supporting part reaches between the second supporting part, the slide orientation the first side of guide rail is equipped with first recess, the slide orientation the second side of guide rail be equipped with the mounting groove of first recess intercommunication, first side with the second side is located different sides, the brush can by the notch of first recess stretch into and the joint in the mounting groove, the brush at least part expose outside the mounting groove and with the guide rail butt.

Above-mentioned sliding assembly need not to establish connection structure in addition on the slide, can make brush detachably connect in the slide, and the brush can be installed or dismantle by the notch of first recess, and is easy and simple to handle save time, is convenient for in time change the brush and effectively cleans the guide rail.

In one embodiment, the sliding seat further comprises a first clamping block, the first groove partially penetrates through the sliding seat along the first direction, the mounting groove partially penetrates through the sliding seat along a second direction perpendicular to the first direction, and the first clamping block is convexly arranged on the bottom wall of the first groove and located in a notch of the mounting groove.

In one of them embodiment, the brush includes the mounting panel and the brush head that are connected, the radial dimension of brush head is less than the radial dimension of mounting panel, the slide orientation the first side of guide rail still is equipped with dodges the groove, dodge the groove with the mounting groove first recess all communicates, the mounting panel can by the notch of first recess stretches into and the card is held in the mounting groove, the brush head is inserted and is located dodge the groove.

In one embodiment, the sliding base includes a fixing portion, a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are symmetrically disposed on two sides of the fixing portion, and the first supporting portion and the second supporting portion are rotatably connected to the first connecting portion and the second connecting portion, respectively.

In one embodiment, the method further comprises at least one of the following steps:

the first supporting part comprises two first wheel bodies which are rotatably connected to different sides of the first connecting part and can rotate around a second direction perpendicular to the first direction;

the second supporting portion comprises two second wheel bodies which are rotatably connected to different sides of the second connecting portion and can rotate around a second direction perpendicular to the first direction.

A door and window system comprising:

a guide rail;

in the above-described sliding assembly, the first support portion and the second support portion are abutted to the guide rail; and

the activity fan, with the slide is connected and can for the guide rail slides, works as when the activity fan slides along first direction, first supporting part reaches the second supporting part can follow the activity fan is in together slide on the guide rail.

Above-mentioned door and window system, the brush can be installed or dismantle by the notch of first recess, and easy and simple to handle saves time, is convenient for in time change the brush and effectively cleans the guide rail.

In one embodiment, the fan further comprises a connecting rod, a first end of the connecting rod is connected with the movable fan, and a second end of the connecting rod penetrates through the guide rail and is fixedly connected with the sliding seat.

In one embodiment, the connecting rod further comprises a nut, the nut is movably arranged on one side, away from the first groove, of the sliding seat, and the connecting rod penetrates through the first groove and is in threaded connection with the nut.

In one embodiment, the slide base is provided with a through hole and a second groove, the through hole, the second groove and the first groove are sequentially communicated, the radial dimension of the second groove is larger than that of the through hole, the nut is arranged in the second groove, and the connecting rod penetrates through the first groove and the through hole and is in threaded connection with the nut.

In one embodiment, the method further comprises at least one of the following steps:

the second groove is communicated with the through hole and forms a step surface, and the step surface is of an arc-shaped structure and protrudes towards one side away from the first groove;

and a second fixture block is convexly arranged on one side, deviating from the first groove, of the inner wall of the second groove and/or the sliding seat, and the second fixture block is positioned at the notch of the second groove and at least partially blocks the notch of the second groove.

Drawings

FIG. 1 is an isometric view of an embodiment of a window and door system (shown partially in section to facilitate viewing of the internal structure);

FIG. 2 is an assembled isometric view of the sliding assembly of the window and door system of FIG. 1;

FIG. 3 is an exploded view of the slider assembly shown in FIG. 2;

FIG. 4 is an isometric view of the carriage of the slide assembly of FIG. 3;

FIG. 5 is a top view of FIG. 2;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 (the carriage in position one);

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 5 (with the carriage in position two);

FIG. 8 is a cross-sectional view taken along plane B-B of FIG. 5 (with the nut in position one);

FIG. 9 is a cross-sectional view taken along plane B-B of FIG. 5 (with the nut in position two);

figure 10 is an isometric view of a carriage in another embodiment.

Reference numerals:

10. a door and window system; 20. a sliding assembly; 30. a movable fan; 31. a top side; 32. a bottom side; 40. a guide rail; 41. an inner cavity; 42. a channel; 50. a connecting rod; 51. a fastener; 100. a slide base; 110. a fixed part; 120. a first connection portion; 130. a second connecting portion; 111. a first side; 112. a second side; 113. a third side; 114. a first groove; 115. mounting grooves; 116. an interface; 117. an avoidance groove; 118. a through hole; 119. a second groove; 119a, a step surface; 200. a first support section; 210. a first wheel body; 220. a first axle; 300. a second support portion; 310. a second wheel body; 320. a second wheel axle; 400. a brush; 410. Mounting a plate; 420. a brush head; 500. a first clamping block; 60. a nut; 70. and a second clamping block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a door/window system 10 according to an embodiment of the present disclosure. The door and window system 10 includes a sliding assembly 20, a movable sash 30 and a guide rail 40, wherein the sliding assembly 20 is mounted on the movable sash 30 and abuts against the guide rail 40, and the sliding assembly 20 can be driven to slide along the guide rail 40 by pushing and pulling the movable sash 30.

It should be noted that the guide rail 40 is provided with an inner cavity 41, a channel 42 is provided on a side of the inner cavity 41 facing the movable fan 30, the movable fan 30 is connected with a component of the sliding assembly 20 through a connecting rod 50, the connecting rod 50 penetrates through the channel 42 to assemble the sliding assembly 20 in the inner cavity 41, and the sliding assembly 20 abuts against the guide rail 40 and can slide along the guide rail 40.

In a specific embodiment, the height position of the connecting rod 50 is adjustable, so that the movable fan 30 and the guide rail 40 are arranged at a distance in the longitudinal direction, and the interference of the sliding of the movable fan 30 due to insufficient space in the longitudinal direction is avoided.

In some embodiments, a sliding assembly 20 is connected to both the top side 31 of the movable leaf 30 and the bottom side 32 of the movable leaf 30 to facilitate smooth pushing and pulling of the movable leaf 30. In other embodiments, the sliding assembly 20 is attached only to the top side 31 of the movable fan 30, and other guiding means are mounted to the bottom side 32 of the movable fan 30.

In some embodiments, referring to fig. 2 and 3, the sliding assembly 20 includes a sliding base 100, a first supporting portion 200, a second supporting portion 300, and a brush 400, wherein the first supporting portion 200 and the second supporting portion 300 are respectively connected to two ends of the sliding base 100, and the brush 400 is connected to the sliding base 100.

In this embodiment, referring to fig. 1, a first end of the connecting rod 50 is connected to the movable fan 30 through a fastener 51, a second end of the connecting rod 50 is connected to the sliding base 100, and the connecting rod 50 penetrates through the channel 42, such that the first supporting portion 200, the second supporting portion 300, and the brush 400 are abutted to the guide rail 40. When the movable sash 30 is pushed and pulled in the first direction, the first and second supporting parts 200 and 300 can slide on the guide rail 40, and the brush 400 can brush on the track surface of the guide rail 40 to remove dust or lint on the track.

In particular embodiments, the fastener 51 is a nut 60 or a snap.

Referring to fig. 3, the slider 100 includes a fixing portion 110, a first connecting portion 120 and a second connecting portion 130, the first connecting portion 120 and the second connecting portion 130 are connected to two sides of the fixing portion 110, and the first connecting portion 120 and the second connecting portion 130 are arranged side by side along a first direction.

Specifically, the fixing portion 110 includes a first side 111, a second side 112 and a third side 113, the first side 111 is the bottom side 32, the second side 112 is the front and rear sides, the third side 113 is the left and right sides, the first connecting portion 120 and the second connecting portion 130 are connected to the third side 113, the first supporting portion 200 is connected to the first connecting portion 120, and the second supporting portion 300 is connected to the second connecting portion 130.

In some embodiments, the first connecting portion 120 and the second connecting portion 130 are symmetrically configured, and the fixing portion 110 is also symmetrically configured, so that the sliding base 100 is symmetrically configured to facilitate the sliding of the sliding assembly 20. In other embodiments, the first connecting portion 120 and the second connecting portion 130 may have a left-right symmetrical structure, and the fixing portion 110 may not have a symmetrical structure.

In some embodiments, the fixing portion 110, the first connecting portion 120 and the second connecting portion 130 are integrally formed, and have high mechanical strength and good integrity. In other embodiments, the first connecting portion 120 and the second connecting portion 130 can be detachably connected to two sides of the fixing portion 110 by a screw or a buckle, so that the first connecting portion 120 and the second connecting portion 130 can be replaced or adjusted in time, recycling of resources is facilitated, and the applicability of the sliding base 100 is expanded.

It should be noted that, when the sliding assembly 20 is assembled in the inner cavity 41 of the guide rail 40, the first supporting portion 200 and the second supporting portion 300 are abutted against the guide rail 40, the sliding seat 100 and the guide rail 40 are longitudinally arranged at an interval, and when the movable sash 30 is pushed and pulled along the first direction, the sliding seat 100 and the guide rail 40 are prevented from being in hard contact to increase friction force and damage the sliding seat 100 or the guide rail 40.

In some embodiments, the first supporting portion 200 and the first connecting portion 120, and the second supporting portion 300 and the second connecting portion 130 are integrally formed, so that the integrity is good and the assembly is simple.

In other embodiments, the first supporting portion 200 is detachably connected to the first connecting portion 120, and the second supporting portion 300 is detachably connected to the second connecting portion 130, so that the first supporting portion 200 and the second supporting portion 300 with different sizes or shapes can be replaced conveniently to adapt to different guide rails 40, and meanwhile, the whole body can be prevented from being scrapped due to damage of one component.

For example, as shown in fig. 3, in an embodiment, the first supporting portion 200 includes a first wheel 210 and a first wheel axle 220, the first wheel axle 220 penetrates through the first connecting portion 120 along a second direction perpendicular to the first direction, and the first wheel 210 is rotatably connected to the first wheel axle 220.

In this embodiment, the number of the first wheels 210 is at least one. When the number of the first wheels 210 is two, the first wheel axle 220 penetrates the first connecting portion 120 and the two end portions are exposed outside the first connecting portion 120, the two first wheels 210 are respectively rotatably connected to the two end portions of the first wheel axle 220 and located on different sides (i.e., front and rear sides) of the first connecting portion 120, and the sliding assembly 20 can be well balanced when sliding along the guide rail 40.

In an embodiment, the surface of the first wheel 210 is smooth, so that when the movable sash 30 is pushed and pulled along the first direction, the sliding friction between the first wheel 210 and the guide rail 40 is reduced, thereby facilitating smooth pushing and pulling of the movable sash 30.

For example, as shown in fig. 3, in one embodiment, the second supporting portion 300 includes a second wheel body 310 and a second wheel shaft 320, the second wheel shaft 320 penetrates through the second connecting portion 130 along a second direction perpendicular to the first direction, and the second wheel body 310 is rotatably connected to the second wheel shaft 320.

In this embodiment, the number of the second wheels 310 is at least one. When the number of the second wheels 310 is two, the second wheel axle 320 penetrates the second connecting portion 130 and the two end portions are exposed outside the second connecting portion 130, the two second wheels 310 are respectively rotatably connected to the two end portions of the second wheel axle 320 and located on different sides (i.e., front and rear sides) of the second connecting portion 130, and the sliding assembly 20 can be well balanced when sliding along the guide rail 40.

In an embodiment, the surface of the second wheel 310 is smooth, so that when the movable sash 30 is pushed and pulled along the first direction, the sliding friction between the second wheel 310 and the guide rail 40 is reduced, thereby facilitating smooth pushing and pulling of the movable sash 30.

Referring to fig. 3, the brush 400 is detachably connected to the sliding base 100 and located between the first supporting portion 200 and the second supporting portion 300.

Specifically, in an embodiment, referring to fig. 4, a first groove 114 is disposed on a first side 111 of the fixing portion 110 facing the guide rail 40, a mounting groove 115 communicated with the first groove 114 is disposed on a second side 112 of the fixing portion 110 facing the guide rail 40, the first side 111 and the second side 112 are located on different sides, the brush 400 can extend from a notch of the first groove 114 and be clamped in the mounting groove 115, and at least a portion of the brush 400 is exposed out of the mounting groove 115 and is abutted to the guide rail 40.

It can be understood that, as shown in fig. 6 and 7, the first groove 114 partially penetrates the sliding seat 100 along a first direction, the mounting groove 115 penetrates the sliding seat 100 along a second direction perpendicular to the first direction, and the brush head 420 is obliquely inserted from the notch of the first groove 114 and is finally retained and limited in the mounting groove 115.

In this embodiment, the brush 400 can be detachably connected to the sliding base 100 without an additional connecting structure on the sliding base 100, and the brush 400 can be installed or detached from the notch of the first groove 114, so that the operation is simple and time-saving, and the brush 400 can be replaced in time to effectively clean the guide rail 40.

It should be noted that the first groove 114 and the mounting groove 115 may be square, circular or other irregular shapes, and the shapes of the first groove 114 and the mounting groove 115 are not limited herein.

In some embodiments, one brush 400 is installed in each installation groove 115. In other embodiments, a plurality of brushes 400 may be installed in each installation groove 115, and the plurality of brushes 400 are arranged side by side in the first direction.

Referring to fig. 3, the brush 400 includes a mounting plate 410 and a brush head 420 connected to each other, the radial dimension of the brush head 420 is smaller than that of the mounting plate 410, and the mounting plate 410 can extend from the opening of the first groove 114 and be retained in the mounting groove 115.

In some embodiments, the mounting groove 115 extends through the second side 112 of the fixing portion 110 and forms a socket 116, so that the mounting plate 410 is clamped in the mounting groove 115 and exposed from the socket 116, which facilitates a tool to extend into the socket 116 to adjust the position of the mounting plate 410, and facilitates observation of whether the brush 400 is clamped in place.

In some embodiments, the first side 111 of the sliding seat 100 facing the guide rail 40 is further provided with an avoiding groove 117, and the avoiding groove 117 is communicated with both the mounting groove 115 and the first groove 114. In this embodiment, the mounting plate 410 is clamped in the mounting groove 115, and the brush head 420 is inserted in the avoiding groove 117, so that the brush 400 can be positioned well and the space utilization rate can be improved.

In some embodiments, referring to fig. 4, the sliding assembly 20 further includes a first latch 500, the first latch 500 is protruded on the bottom wall of the first groove 114 and is located on the notch of the mounting groove 115, and the first latch 500 can limit the mounting plate 410 to prevent the brush 400 from sliding off from the mounting groove 115. In this embodiment, as shown in fig. 5, the mounting plate 410 can avoid the first latch 500 and be obliquely inserted into the first groove 114, so that the mounting plate 410 is retained and limited in the mounting groove 115.

In some embodiments, the first latch 500 and the bottom wall of the first groove 114 are integrally formed, and have high integrity and mechanical strength. In other embodiments, the first latch 500 may be detachably connected to the bottom wall of the first groove 114.

As shown in fig. 2, a through hole 118 is disposed in the middle of the fixing portion 110, and the through hole 118 is located above the first groove 114 and is communicated with the first groove 114.

In some embodiments, the second end of the connecting rod 50 penetrates through the first groove 114 and the through hole 118 and is screwed with the through hole 118, so that the connecting rod 50 and the fixing portion 110 are fixedly connected.

In other embodiments, the door/window system 10 further includes a nut 60, the nut 60 is disposed on the fixing portion 110, and the second end of the connecting rod 50 penetrates through the first groove 114 and the through hole 118 and is screwed with the nut 60.

In one embodiment, the nut 60 can be directly retained in the through hole 118 of the fixing portion 110.

In another embodiment, the nut 60 can be movably disposed on the fixing portion 110. For example, a second groove 119 is formed on a side of the fixing portion 110 away from the first groove 114, the second groove 119 is located above the through hole 118, the second groove 119 and the first groove 114 are sequentially communicated, the nut 60 is movably disposed on a groove wall of the second groove 119, and the connecting rod 50 penetrates through the first groove 114 and the through hole 118 and is screwed with the nut 60.

It can be understood that, if the fixing portion 110 is fixedly connected to the connecting rod 50, when a machining error or an installation error of the guide rail 40 occurs, the fixing portion 110 is fixed and cannot swing left and right, so that the brush 400 cannot abut against the guide rail 40 and cannot effectively clean the rail surface. Therefore, the nut 60 is movably installed at the fixing part 110, so that the fixing part 110 can swing with respect to the connection rod 50, and the position of the brush 400 is adjusted, thereby effectively cleaning the track surface.

In this embodiment, referring to fig. 8 and 9, the radial dimension of the second groove 119 is greater than the radial dimension of the through hole 118, the second groove 119 is communicated with the through hole 118 and forms a step surface 119a, and the step surface 119a is in an arc-shaped structure and protrudes toward a side away from the first groove 114. When a machining error, an installation error, or the like of the guide rail 40 occurs, the fixing portion 110 can swing such that the horizontal center line a of the fixing portion 110 is deviated from the horizontal reference line b, as shown in fig. 8 and 9, so that the brush 400 is brushed on the track surface.

In some embodiments, the door window system 10 further includes a second latch 70, and the second latch 70 is located at the notch of the second groove 119 and at least partially blocks the notch of the second groove 119 to prevent the nut 60 from slipping out of the second groove 119.

In some embodiments, as shown in fig. 2 and 3, the second latch 70 is disposed on an inner wall of the second recess 119.

In other embodiments, as shown in fig. 4 and 10, the second latch 70 is disposed on a side of the fixing portion 110 away from the first recess 114. For example, the second latch 70 may be riveted to the fixing portion 110 and located outside the notch of the second groove 119, and the second latch 70 is deformed by the riveting and at least partially blocks the notch of the second groove 119.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a sliding assembly, installs in the activity fan and with the guide rail butt, along first direction push-and-pull the activity fan can drive sliding assembly follows the guide rail slides, its characterized in that, sliding assembly includes:

a slide base;

the first supporting part and the second supporting part are used for supporting the sliding seat, and are respectively connected to two ends of the sliding seat and abutted against the guide rail; and

the brush is located first supporting part reaches between the second supporting part, the slide orientation the first side of guide rail is equipped with first recess, the slide orientation the second side of guide rail be equipped with the mounting groove of first recess intercommunication, first side with the second side is located different sides, the brush can by the notch of first recess stretch into and the joint in the mounting groove, the brush at least part expose outside the mounting groove and with the guide rail butt.

2. The slide of claim 1 further comprising a first detent, wherein the first groove extends partially through the slide in the first direction, the mounting slot extends through the slide in a second direction perpendicular to the first direction, and the first detent is protruding from a bottom wall of the first groove and located in a notch of the mounting slot.

3. The slide assembly of claim 1, wherein the brush includes a connecting mounting plate and a brush head, the brush head has a radial dimension less than that of the mounting plate, the carriage is further provided with an avoidance groove toward the first side of the guide rail, the avoidance groove is communicated with the mounting groove and the first groove, the mounting plate can be inserted into and held in the mounting groove by the notch of the first groove, and the brush head is inserted into the avoidance groove.

4. The sliding assembly according to claim 1, wherein the sliding base includes a fixed portion, a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are symmetrically disposed on two sides of the fixed portion, and the first supporting portion and the second supporting portion are rotatably connected to the first connecting portion and the second connecting portion, respectively.

5. The slide assembly of claim 4 further comprising at least one of:

the first supporting part comprises two first wheel bodies which are rotatably connected to different sides of the first connecting part and can rotate around a second direction perpendicular to the first direction;

the second supporting portion comprises two second wheel bodies which are rotatably connected to different sides of the second connecting portion and can rotate around a second direction perpendicular to the first direction.

6. A door and window system, comprising:

a guide rail;

the slide of any one of claims 1-5, the first support and the second support abutting the rail; and

the activity fan, with the slide is connected and can for the guide rail slides, works as when the activity fan slides along first direction, first supporting part reaches the second supporting part can follow the activity fan is in together slide on the guide rail.

7. The door and window system as claimed in claim 6, further comprising a connecting rod, wherein a first end of the connecting rod is connected to the movable sash, and a second end of the connecting rod penetrates through the guide rail and is fixedly connected to the sliding base.

8. The door and window system as claimed in claim 7, further comprising a nut movably disposed on a side of the sliding base away from the first groove, wherein the connecting rod penetrates the first groove and is screwed with the nut.

9. The door and window system as claimed in claim 8, wherein the sliding base is formed with a through hole and a second groove, the through hole, the second groove and the first groove are sequentially communicated, the radial dimension of the second groove is larger than that of the through hole, the nut is disposed in the second groove, and the connecting rod penetrates through the first groove and the through hole and is screwed with the nut.

10. The window and door system of claim 9, further comprising at least one of:

the second groove is communicated with the through hole and forms a step surface, and the step surface is of an arc-shaped structure and protrudes towards one side away from the first groove;

and a second fixture block is convexly arranged on one side, deviating from the first groove, of the inner wall of the second groove and/or the sliding seat, and the second fixture block is positioned at the notch of the second groove and at least partially blocks the notch of the second groove.

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