Sliding door and window guide wheel assembly
By setting an extended port and guide sleeve of the wedge-shaped port in the transmission port of the sliding door and window guide wheel assembly, the problems of excessive sliding and wear of the guide column in the prior art are solved, and smoother movement and longer service life are achieved.
Patent Information
- Application Number
- CN202420113769.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-01-17
AI Technical Summary
The transition groove angle in the existing sliding door and window pulley assembly is too large and the length is short, causing the guide column to slide too quickly and cause lag, and the guide column is in direct contact with the slide groove, which can easily cause wear when used frequently.
A translation door and window guide wheel assembly is designed, by providing a first extension port and a second extension port of the wedge port in the transmission port, the length of the wedge port is lengthened and its inclination angle is reduced, thereby reducing wear; at the same time, it is arranged outside the guide shaft. The guide sleeve acts as a moving medium to reduce friction and increase movement clearance.
It effectively reduces the wear of the lateral displacement structure in the transmission port, avoids lag, improves the smoothness of movement, and extends the service life of the components.
Smart Images
Figure CN222296006U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sliding door and window pulley assemblies, in particular to a translational door and window guide wheel assembly. Background Art
[0002] The sliding door and window pulley assembly is a sliding system assembly for sliding doors and windows. Usually, the sliding door and window pulley assembly is provided with a side shift function, which is to facilitate the side shift of the window sash in the door and window frame and achieve a better sealing effect. Specifically, the pulley assembly is restricted in the door and window frame by a pulley, and it uses its internal side shift structure to drive the window sash to achieve sideways movement.
[0003] The prior art patent with publication number CN109695402B discloses an airtight sliding window, including a window frame, a window sash, a roller assembly, a handle and a transmission mechanism. The roller assembly is respectively installed on the upper frame and the lower frame of the window sash. The roller assembly has a guide mechanism for guiding the window sash to push and pull and a translation mechanism for driving the window sash to translate in a direction perpendicular to the pushing and pulling direction of the window sash. However, there are some defects in the above prior art. The specific disclosed slide groove is divided into a first groove body, a second groove body and a transition groove. The transition groove is an inclined groove, wherein the transition groove is set at a relatively large angle and is relatively short in length. For details, please refer to the attached drawings of the specification. Figure 6 For example, the guide post may slide too quickly in the transition groove and cause jamming; in addition, the guide post is in direct contact with the slide groove, and frequent use may easily cause wear of the guide post and affect the smoothness of the sliding.
[0004] In addition, the prior art patent with publication number CN209523584U discloses an upper guide wheel assembly for a translational airtight door and window, and the patent with publication number CN209891924U discloses a lower guide wheel assembly for a translational airtight door and window, wherein the angles of the transition grooves in the slide grooves involved are too steep, causing the movement of the guide column to get stuck and easily wear out. Therefore, based on the above-mentioned deficiencies in the prior art, the present application proposes a pulley assembly that can avoid getting stuck and wear during the lateral movement of windows and door panels. Utility Model Content
[0005] The utility model provides a guide wheel assembly for a sliding door and window, which solves the problems mentioned in the above background technology.
[0006] The technical solution of the utility model is achieved in this way:
[0007] A guide wheel assembly for a sliding door and window comprises a movable bar and a guide wheel mechanism located at the top thereof; at least one transmission opening is provided in the movable bar, and a lateral shifting structure sliding in the transmission opening is provided at the bottom of the guide wheel mechanism; the lateral shifting structure comprises a guide shaft, and an outer rotating sleeve of the guide shaft is provided with a guide sleeve, which is adapted in the transmission opening and rolls along the inner side thereof; the transmission opening comprises a wedge-shaped opening, and a first extension opening and a second extension opening in the same direction as the movable bar are provided at two ends of the wedge-shaped opening in mutually separated directions, wherein the first extension opening is close to the end of the movable bar, and the second extension opening is close to the middle of the movable bar.
[0008] Furthermore, the length of the wedge-shaped opening is 16-36 mm, and the inclination angle of the wedge-shaped opening is 15-40°.
[0009] Furthermore, the upper and lower ends of the guide shaft are each provided with an anti-drop cap, and a spacing hoop is provided in the middle. The connection between the guide shaft and the guide wheel mechanism is above the spacing hoop, and the rotational sleeve arrangement of the guide shaft and the guide sleeve is below the spacing hoop.
[0010] Furthermore, it also includes a limiting mechanism, which is located between the movable bar and the guide wheel mechanism or surrounds the movable bar and the guide wheel mechanism. The limiting mechanism is specifically a groove plate, and longitudinal axes are provided on both sides of the groove plate. The guide wheel mechanism is accommodated in the groove plate and its internal sliding sleeve is arranged on the longitudinal axis.
[0011] Furthermore, a transverse hole is provided in the middle of the bottom of the grooved plate, and a convex shaft is provided on the movable bar, which extends to the transverse hole and slides with the transverse hole.
[0012] Furthermore, longitudinal holes are provided on both sides of the bottom of the grooved plate, and the guide sleeve passes through the longitudinal holes and rolls along the inside thereof.
[0013] Furthermore, the guide wheel mechanism is a grooved bar, at least one guide wheel is provided at the inner bottom of the grooved bar, and the pulley extends to the top of the grooved bar.
[0014] Furthermore, first sliding holes are provided on both sides of the grooved bar, and the longitudinal axis is slidably fitted in the first sliding holes.
[0015] Furthermore, the guide wheel mechanism is a box-type bar, and at least one guide wheel is rotatably arranged inside the box-type bar, and the top of the guide wheel extends to the top of the box-type bar.
[0016] Furthermore, second sliding holes are provided on both sides of the box-shaped strip, and the longitudinal axis is slidably fitted in the second sliding holes.
[0017] Beneficial effects of the technical solution provided by this application:
[0018] The guide wheel assembly of the sliding door and window is characterized in that the first extension opening and the second extension opening in the transmission opening are respectively arranged at the end and the middle of the movable strip, and the two are connected by a wedge-shaped opening, thereby lengthening the wedge-shaped opening and reducing the inclination angle of the wedge-shaped opening, facilitating the movement of the side shift structure in the transmission opening and reducing wear; in addition, the side shift structure uses the guide shaft as a guiding basis, and a guide sleeve is arranged on the outside as a movement medium, thereby reducing movement wear and increasing the smoothness of movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 This is a schematic diagram of a guide wheel assembly for a sliding door and window equipped with a grooved strip structure according to the utility model;
[0021] Figure 2 This is an exploded schematic diagram of the guide wheel assembly of the sliding door and window equipped with a grooved strip structure of the utility model;
[0022] Figure 3 This is a schematic diagram of a guide wheel assembly for a sliding door and window equipped with a box-shaped strip structure according to the utility model;
[0023] Figure 4 This is an exploded schematic diagram of the guide wheel assembly of the sliding door and window equipped with a box-shaped strip structure of the utility model;
[0024] Figure 5 This is an exploded schematic diagram of the guide wheel assembly of the sliding door and window of the utility model;
[0025] Figure 6 It is a schematic diagram of the guide wheel assembly of the sliding door and window in the prior art.
[0026] In the figure:
[0027] 100 movable bar, 110 transmission opening, 111 first extension opening, 112 second extension opening, 13 wedge-shaped opening, 120 convex shaft;
[0028] 200 limit mechanism, 210 longitudinal hole, 220 transverse hole, 230 longitudinal axis;
[0029] 300 grooved bar, 310 guide wheel, 320 first sliding hole;
[0030] 400 first cover plate, 400 inner groove, 420 first sliding groove, 430 sealing cover, 440 shaft hole;
[0031] 500 lateral displacement structure, 510 guide shaft, 511 spacing hoop, 512 anti-drop cap, 520 guide sleeve;
[0032] 600 box-shaped bar, 610 pulley, 620 second sliding hole, 630 support shaft;
[0033] 700 second cover plate, 710 insert block, 711 second sliding groove, 720 sliding block, 721 U-shaped groove, 722 arc groove. DETAILED DESCRIPTION
[0034] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] For ease of understanding, the principle of the movement of the movable bar 100 and the guide wheel mechanism inside the sliding door and window and the sliding door and window frame is first described. First, the sliding door and window are arranged in the sliding door and window frame, and the outer side of the sliding door and window moves in the sliding door and window frame by setting a translation door and window guide wheel assembly. Specifically, the movable bar 100 in the translation door and window guide wheel assembly is arranged on the outer side of the sliding door and window, and the movable bar 100 is connected to the guide wheel mechanism through the guide shaft 510. The guide wheel mechanism is adapted in the convex rib of the sliding door and window frame to drive the sliding door and window to slide horizontally; further, in order to realize the movement of the sliding door and window toward the indoor or outdoor direction, that is, it is necessary to meet the sealing connection between the sliding door and window and the sliding door and window frame, in the prior art, by disclosing a wedge-shaped opening 113 in the movable bar 100, the lateral movement of the movable bar 100 can make the wedge-shaped opening 113 synchronously displaced, and because the sliding door and window are affected by gravity and will not move due to the movement of the movable bar 100, the sliding door and window converts the lateral movement into the longitudinal movement through the guide shaft 510 on the guide wheel mechanism in cooperation with the wedge-shaped opening 113, thereby realizing the movement of the sliding door and window toward the indoor or outdoor direction.
[0036] Reference Figure 1-6A guide wheel assembly for sliding doors and windows includes a movable bar 100 and a guide wheel mechanism located at the top thereof; at least one transmission opening 110 is provided in the movable bar 100, and a lateral displacement structure 500 sliding in the transmission opening 110 is provided at the bottom of the guide wheel mechanism; the lateral displacement structure 500 includes a guide shaft 510, and a guide sleeve 520 is provided on the outer rotating sleeve of the guide shaft 510, and the guide sleeve 520 is adapted in the transmission opening 110 and rolls along the inner side thereof; the transmission opening 110 includes a wedge-shaped opening 113, and a first extension opening 111 and a second extension opening 112 in the same direction as the movable bar 100 are provided at two ends of the wedge-shaped opening in mutually separated directions, wherein the first extension opening 111 is close to the end of the movable bar 100, and the second extension opening 112 is close to the middle of the movable bar 100.
[0037] In the prior art, the wedge-shaped opening 113 of the guide wheel assembly of the sliding door and window is too short and has a large angle, which causes the guide post to move too quickly in the wedge-shaped opening 113, which is prone to jamming and wear. In the present application, the first extension opening 111 and the second extension opening 112 on the transmission opening 110 are firstly arranged near the end and the middle of the movable bar 100, and the distance between the first extension opening 111 and the second extension opening 112 is pulled apart. When the distance between the two is pulled apart, a wedge-shaped opening 113 is arranged between the two, and the overall length and angle of the wedge-shaped opening 113 are improved, and its length becomes longer, and its wedge angle also becomes smaller, so that the reciprocating motion of the side shift structure 500 in the transmission opening can be slowed down, and the side shift structure 500 will not move too quickly in the wedge-shaped opening 113 due to the short length and large angle of the wedge-shaped opening 113, which is prone to jamming and wear. Furthermore, by providing a guide sleeve 520 outside the guide shaft 510 , the guide sleeve 520 can be used as a moving medium for the guide shaft 510 , thereby reducing the increase in friction caused by the direct movement of the guide shaft 510 with the transmission port 110 , and well reflecting the smoothness of the movement of the guide shaft 510 .
[0038] In some embodiments, the length of the wedge-shaped opening 113 is 16-36 mm, and the inclination angle of the wedge-shaped opening 113 is 15-40°. By controlling the length and angle of the wedge-shaped opening 113 within a range, as long as the length and angle of the wedge-shaped opening 113 are within the above-mentioned range, the movement of the side shift structure 500 in the wedge-shaped opening 113 will not be too hasty.
[0039] In some embodiments, the guide sleeve 520 includes but is not limited to a bearing sleeve, a self-lubricating copper sleeve, etc.
[0040] In some embodiments, the guide shaft 510 is provided with anti-drop caps 512 at both ends, and a spacer hoop 511 is provided in the middle. The connection between the guide shaft 510 and the guide wheel mechanism is above the spacer hoop 511, and the rotational sleeve arrangement of the guide shaft 510 and the guide sleeve 520 is below the spacer hoop 511.
[0041] The anti-slip cap 512 provides an anti-slip base for the upper and lower ends of the guide shaft 510. In addition, a spacing hoop 511 is provided in the middle of the guide shaft 510. The spacing hoop 511 cooperates with the upper and lower anti-slip caps 512 to divide the guide shaft 510 into two upper and lower parts. The spacing hoop 511 and the anti-slip cap 512 at the top serve as the connection position with the guide wheel mechanism. The spacing hoop 511 and the anti-slip cap 512 at the top can be clamped on the upper and lower sides of the connection between the guide wheel mechanism, thereby limiting the guide shaft 510 on the guide wheel mechanism to prevent the guide shaft 510 from falling; in addition, the spacing hoop 511 and the anti-slip cap 512 at the bottom serve as the connection position with the guide sleeve 520. The guide sleeve 520 will not fall off the guide shaft 510 due to the restriction of the spacing hoop 511 and the anti-slip cap 512 at the bottom, thereby increasing the limiting effect on the guide shaft 510.
[0042] In some embodiments, a limiting mechanism 200 is further included. The limiting mechanism 200 is located between the movable bar 100 and the guide wheel mechanism or surrounds the movable bar 100 and the guide wheel mechanism. The limiting mechanism 200 is specifically a groove plate. The inner two sides of the groove plate are provided with longitudinal axes 230. The guide wheel mechanism is accommodated in the groove plate and its inner sliding sleeve is arranged on the longitudinal axis 230. The limiting mechanism 200 is mainly used to provide limiting guidance during the process of the movable bar 100 transmitting the movement of the lateral displacement structure on the guide wheel mechanism. The groove plate of the limiting mechanism 200 is designed to surround the outside of the guide wheel mechanism, so that the lateral sliding of the guide wheel mechanism is limited in the limiting mechanism 200 to prevent it from moving excessively and falling out; in addition, the limiting mechanism 200 also has a longitudinal axis 230, and the guide wheel mechanism is mounted on the longitudinal axis 230. The lateral displacement movement of the guide wheel mechanism can be guided by the longitudinal axis 230.
[0043] In addition, in order to facilitate the smooth sliding of the longitudinal shaft 230 and the guide wheel mechanism, a sleeve (not marked in the figure) is provided on the outside of the longitudinal shaft 230, and the guide wheel mechanism is directly sleeved on the sleeve of the longitudinal shaft 230, so that the sleeve serves as the transmission medium between the guide wheel mechanism and the longitudinal shaft 230, thereby reducing sliding friction; in addition, an oil filling hole can be opened on the sleeve, which is mainly used for adding lubricants, lubricating oils and other lubricating products, so as to facilitate the filling of lubricating products as needed during actual use.
[0044] In some embodiments, a transverse hole 220 is provided in the middle of the bottom of the groove plate, and a convex shaft 120 is provided on the top of the movable bar 100, which extends to the transverse hole 220 and slides with the transverse hole 220. The convex shaft 120 on the movable bar 100 is designed to slide along the transverse hole 220 in the groove plate, so as to facilitate the lateral movement of the movable bar 100 to always be within the size range of the transverse hole 220 to prevent excessive movement; in addition, it can ensure that the lateral movement of the movable bar 100 is limited by the groove plate, which serves the purpose of guidance.
[0045] In some embodiments, the bottom of the grooved plate is provided with longitudinal holes 210 on both sides, and the guide sleeve 520 passes through the longitudinal holes 210 and rolls along the inside thereof. As mentioned above, the guide wheel mechanism can play a guiding role by being sleeved on the longitudinal axis 230 of the grooved plate. Further, in order to enhance the guiding and limiting effect, the longitudinal holes 210 on both sides of the bottom of the grooved plate are used as guide channels, and the guide sleeve 520 on the guide axis 510 at the bottom of the guide wheel mechanism passes through the longitudinal holes 210, so that the guide wheel mechanism can further use the guide sleeve 520 to move along the direction of the longitudinal hole 210 to achieve guiding and limiting in the grooved plate.
[0046] In some embodiments, the guide wheel mechanism is a groove bar 300, and at least one guide wheel 310 is provided at the inner bottom of the groove bar 300, and the guide wheel 310 extends to the top of the groove bar 300. The guide wheel mechanism is used for the top sliding of the sliding door and window, because the top sliding of the sliding door and window does not require bearing pressure, so a central axis (not marked in the figure) is provided in the middle of the guide wheel 310 in the groove bar 300, one end of the central axis is fixed to the inner bottom wall of the groove bar 300, and the other end of the central axis is rotatably connected to the inner side of the guide wheel 310, so that the outer side of the guide wheel 310 can slide with the side wall of the convex rib of the sliding door and window frame.
[0047] In some embodiments, first sliding holes 320 are provided on both sides of the grooved bar 300, and the longitudinal axis 230 is slidably matched with the first sliding holes 320. As mentioned above, the limiting mechanism 200 of the grooved plate is provided with a longitudinal axis 230 on the inner side, so that the grooved bar 300 of the guide wheel mechanism can be adapted to the longitudinal axis 230 during the lateral movement, and the first sliding holes 320 are provided to cooperate with the longitudinal axis 230 to play the role of sliding limit of the lateral movement.
[0048] In some embodiments, a first cover plate 400 is provided on the groove bar 300, and the first cover plate 400 is used to seal the top of the groove bar 300 to prevent dust from entering and affecting the use. In order to be able to fit with the groove bar 300, the first cover plate 400 has inner grooves 410 that are recessed inward on the front and rear sides of the first cover plate 400, and the inner grooves 410 are correspondingly adapted to the side of the groove bar 300 to facilitate the mutual assembly of the two; further, first sliding grooves 420 are provided on both sides of the bottom of the first cover plate 400, and the first sliding grooves 420 can be adapted on the longitudinal axis 230, so that the lateral displacement of the groove bar 300 can drive the first cover plate 400 to slide synchronously, avoiding the obstruction caused by the lateral displacement of the first cover plate 400 due to the setting of the longitudinal axis 230. In addition, in order to facilitate the filling of lubricating products on the sliding sleeve on the longitudinal shaft 230, a sealing cover 430 corresponding to the oil filling hole on the sliding sleeve is provided on the first cover plate 400. The sealing cover 430 can be installed and removed on the first cover plate 400, and is mainly used to facilitate oil filling and sealing after oil filling. In addition, in order to facilitate the first cover plate 400 and the central axis on the guide wheel 310 not to affect each other, an axial hole 440 corresponding to the central axis is provided on the first cover plate 400. The axial hole 440 can just accommodate the central axis, so that the first cover plate 400 can be installed on the grooved bar 300 without affecting the use of the guide wheel 310.
[0049] In some embodiments, the guide wheel mechanism is a box-shaped bar 600, and at least one pulley 610 is rotatably arranged inside the box-shaped bar 600, and the top of the pulley 610 extends to the top of the box-shaped bar 600. The guide wheel mechanism is used for the bottom sliding of the sliding door and window. During use, the guide wheel mechanism is invertedly assembled at the bottom of the sliding door and window, because the bottom sliding of the sliding door and window needs to bear its own gravity, so the guide wheel 610 in the guide wheel mechanism corresponds to the wheel groove on the convex rib in the sliding door and window frame, which is convenient for reducing friction during sliding.
[0050] In some embodiments, the box-shaped bar 600 is provided with second sliding holes 620 on both sides, and the longitudinal axis 230 is slidably adapted to the second sliding holes 620. As mentioned above, the limiting mechanism 200 of the groove plate is provided with a longitudinal axis 230 on the inner side, so that the box-shaped bar 600 of the guide wheel mechanism can adapt to the longitudinal axis 230 during the lateral movement, and the second sliding holes 620 are provided to cooperate with the longitudinal axis 230 to play the role of sliding limit of the lateral movement.
[0051] In some embodiments, a second cover plate 700 is provided on the box-shaped strip 600, and the second cover plate 700 is buckled on the top of the box-shaped strip 600. In order to ensure that the pulley 610 on the box-shaped strip 600 and the second cover plate 700 do not affect each other, the center of the second cover plate 700 is hollow, so that the top of the pulley 610 can extend from the second cover plate 700 to the top thereof; in addition, in order to reduce the movement pressure between the pulley 610 and the convex rib of the sliding door and window, the second cover plate 700 is provided on the second cover plate 700. A sliding block 720 is also provided in the middle of the plate 700. The sliding block 720 has an arc-shaped groove 722. The arc-shaped groove 722 is just used to fit on the convex rib of the sliding door and window to reduce the movement pressure of the pulley 610. In addition, the sliding block 720 has a U-shaped groove 721 on the side away from the arc-shaped groove 722. The U-shaped groove 721 cooperates with the support shaft 630 set in the box-shaped strip 600. The sliding block 720 is supported by being clamped on the support shaft 630 by the U-shaped groove 721.
[0052] In some embodiments, the bottom sides of the second cover plate 700 are further provided with insert blocks 710, which are inserted into the inner sides of the box-shaped bar 600, and the insert blocks 710 are provided with second sliding grooves 711. Because the inner sides of the box-shaped bar 600 cooperate with the longitudinal axis 230 by providing the second sliding holes 620, in order to ensure that the insert block 710 is inserted into the box-shaped bar 600 without affecting the sliding cooperation with the longitudinal axis 230, the second sliding groove 711 in the insert block 710 can just accommodate the outer side of the longitudinal axis 230, thereby achieving sliding cooperation with the longitudinal axis 230.
[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A guide wheel assembly for a sliding door and window, comprising a movable bar (100) and a guide wheel mechanism located on the top thereof; at least one transmission opening (110) is provided in the movable bar (100), and a side shifting structure (500) sliding in the transmission opening (110) is provided at the bottom of the guide wheel mechanism; the characteristics are: The side shift structure (500) comprises a guide shaft (510), the outer rotating sleeve of the guide shaft (510) is provided with a guide sleeve (520), the guide sleeve (520) is adapted in the transmission opening (110) and rolls along the inner side thereof; the transmission opening (110) comprises a wedge-shaped opening (113), and the two ends of the wedge-shaped opening are provided with a first extension opening (111) and a second extension opening (112) in the same direction as the movable bar (100) in the direction of separation, wherein the first extension opening (111) is close to the end of the movable bar (100), and the second extension opening (112) is close to the middle of the movable bar (100).
2. The guide wheel assembly for sliding doors and windows according to claim 1, characterized in that: The length of the wedge-shaped opening (113) is 16-36 mm, and the inclination angle of the wedge-shaped opening (113) is 15-40°.
3. The guide wheel assembly for sliding doors and windows according to claim 1, characterized in that: The guide shaft (510) is provided with anti-drop caps (512) at both ends, and a spacing hoop (511) is provided in the middle. The connection between the guide shaft (510) and the guide wheel mechanism is above the spacing hoop (511), and the rotation sleeve of the guide shaft (510) and the guide sleeve (520) is below the spacing hoop (511).
4. The guide wheel assembly for sliding doors and windows according to claim 1, characterized in that: The invention also includes a limiting mechanism (200), which is located between the movable bar (100) and the guide wheel mechanism or surrounds the movable bar (100) and the guide wheel mechanism; the limiting mechanism (200) is specifically a grooved plate, and longitudinal axes (230) are arranged on both sides of the grooved plate. The guide wheel mechanism is accommodated in the grooved plate and its internal sliding sleeve is arranged on the longitudinal axis (230).
5. The guide wheel assembly for sliding doors and windows according to claim 4, characterized in that: A transverse hole (220) is provided in the middle of the bottom of the grooved plate, and a convex shaft (120) is provided on the movable bar (100) and extends to the transverse hole (220) and slides therewith.
6. The guide wheel assembly for sliding doors and windows according to claim 4, characterized in that: The bottom sides of the grooved plate are provided with longitudinal holes (210), and the guide sleeve (520) passes through the longitudinal holes (210) and rolls along the inside thereof.
7. The guide wheel assembly for sliding doors and windows according to claim 4, characterized in that: The guide wheel mechanism is a grooved bar (300), and at least one guide wheel (310) is provided at the inner bottom of the grooved bar (300), and the guide wheel (310) extends to the top of the grooved bar (300).
8. The guide wheel assembly for sliding doors and windows according to claim 7, characterized in that: First sliding holes (320) are provided on both sides of the grooved bar, and the longitudinal axis (230) is slidably matched with the first sliding holes (320).
9. The guide wheel assembly for sliding doors and windows according to claim 4, characterized in that: The guide wheel mechanism is a box-shaped bar (600), and at least one pulley (610) is rotatably arranged inside the box-shaped bar (600), and the top of the pulley (610) extends to the top of the box-shaped bar (600).
10. The guide wheel assembly for sliding doors and windows according to claim 9, characterized in that: Second sliding holes (620) are provided on both sides of the box-shaped strip (600), and the longitudinal axis (230) is slidably fitted in the second sliding holes (620).