Suspended bearing device and door and window structure
By combining a magnetic guide frame, magnet assembly, guide wheels, and load-bearing components, the problems of mechanical friction noise and insufficient load-bearing capacity of the load-bearing sliding parts of sliding doors and windows are solved, achieving the effects of low noise, low wear, and stable load-bearing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-07
AI Technical Summary
Existing sliding door and window components suffer from problems such as high mechanical friction noise, severe wear, and magnetic load-bearing components being unable to support heavy window sashes.
It adopts a combination structure of magnetic guide frame, magnet assembly, guide wheel and load-bearing component. It uses magnetic attraction to bear the load and the load-bearing component can provide additional load-bearing when the load is at the limit. Combined with shielding cover to prevent external magnetic interference, the guide wheel limit to improve stability.
It achieves low noise, low wear, and stable load-bearing capacity, effectively supporting heavy window sashes and improving the installation stability and safety of the magnet assembly.
Smart Images

Figure CN224093206U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to door and window equipment field especially, relate to a device and door and window structure of suspension load bearing. BACKGROUND
[0002] The load bearing sliding structure of the sliding door and window is one of the core components of the door and window system, and its performance directly affects the sliding smoothness, load capacity, noise level and service life of the door and window. At present, the main load bearing sliding piece technology on the market is divided into traditional mechanical pulley type and emerging magnetic load bearing type, but both have certain technical defects.
[0003] The traditional load bearing sliding piece of the sliding door and window mainly relies on the rolling of the load bearing pulley to realize the sliding of the door and window. Although this method is mature in technology, it has the following defects: the mechanical friction between the pulley and the track will produce a lot of noise, especially after long-term use, the noise problem is more prominent; the direct contact between the pulley and the track will cause wear, which not only reduces the sliding smoothness, but also increases the maintenance and replacement cost.
[0004] In recent years, the magnetic load bearing sliding piece has been introduced into the market as a new technology, which realizes non-contact load bearing through magnetic force, effectively reducing mechanical friction and noise. However, in the existing magnetic load bearing sliding piece, once the window sash to be carried is heavy, effective load bearing cannot be realized. SUMMARY
[0005] The utility model provides a device and its position pile head of suspension load bearing to provide the effectiveness and fluency of the window sash carrying.
[0006] In order to realize the above technical purpose, the utility model adopts the following technical scheme:
[0007] The first aspect of the utility model technical scheme provides a device of suspension load bearing, comprising:
[0008] The bottom of the magnetic guide frame has a recess, and the top of the magnetic guide frame is used to set up the guide rail on the window frame and carry the window sash;
[0009] Two magnet groups are respectively arranged on the inner walls of the two sides of the recess, and the magnetic poles of the opposite inner sides of the two magnet groups are opposite; wherein, the two magnet groups are used to attract each other with the guide rail to generate magnetic attraction force;
[0010] The guide wheel is connected to at least one end of the magnetic guide frame and is used to roll with the guide rail to limit the distance between the magnet group and the guide rail;
[0011] The shielding cover is covered on the outside of the magnetic guide frame for magnetic shielding.
[0012] Preferably, it further comprises:
[0013] A load-bearing component is disposed at at least one end of the recessed portion and is used to contact or separate from the guide rail; wherein, when the weight of the window sash does not exceed the limit of the magnetic attraction force, the load-bearing component separates from the guide rail; when the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing component contacts the guide rail.
[0014] Preferably, the load-bearing component is a load-bearing wheel disposed at at least one end of the magnetic guide frame, and the axial direction of the load-bearing wheel is perpendicular to the axial direction of the guide rail.
[0015] When the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing wheel is supported on the guide rail and rolls in cooperation with the guide rail.
[0016] Preferably, the load-bearing component is a friction-resistant sheet disposed at at least one end of the magnetic guide frame, and one end of the guide wheel passes through the friction-resistant sheet and is connected to one end of the magnetic guide frame;
[0017] When the weight of the window sash exceeds the limit of the magnetic attraction force, the friction-resistant sheet is supported on the guide rail and slides in cooperation with the guide rail.
[0018] Preferably, the gap between the guide rail and the inner bottom surface of the recess is within the maximum attractive force bearing range of the two magnet assemblies.
[0019] Preferably, it further includes:
[0020] Two magnetic limiting members are respectively disposed on the inner walls of the two sides of the recess, and the inner wall of each magnetic limiting member and the inner wall of the recess are respectively arranged to form a receiving area; the magnet group is accommodated in the receiving area.
[0021] Preferably, the inner wall of the magnet limiting member is provided with a clearance groove, which is located within the receiving area for installing or removing the magnet assembly.
[0022] Preferably, the guide wheels are provided in two sets, and the two sets of guide wheels are respectively connected to both ends of the magnetic guide frame to limit the distance between the magnet group and the guide rail.
[0023] Preferably, the two guide wheels form a group, and the two guide wheels in the same group are located on both sides of the guide rail and respectively roll in cooperation with the guide rail.
[0024] A second aspect of the present invention provides a door and window structure, including the aforementioned suspended load-bearing device.
[0025] Compared with the prior art, the advantages of this utility model are as follows:
[0026] (1) The magnetic attraction force is generated by the magnetic attraction of two magnet groups and the guide rail to counteract the weight of the window sash. Furthermore, by adding load-bearing components, when the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing components can be used to provide additional load, ensuring the smoothness and effectiveness of the load-bearing.
[0027] (2) The gap between the guide rail and the bottom of the magnet protective shell is within the limit of the magnetic force of the two magnet groups, thus ensuring smooth operation when the weight of the window sash does not exceed the limit of the load, and still providing effective load when the weight of the window sash exceeds the limit of the magnetic force of the two magnet groups.
[0028] (3) By clamping the two sets of guide wheels at both ends of the guide rail, the magnetic guide frame and the guide rail can be limited to prevent the magnetic guide frame from deviating during movement. This improves the stability of the magnetic guide frame movement and reduces the probability of collision between the guide rail and the magnet assembly, thereby improving the safety of the magnet assembly.
[0029] (4) By setting up magnet limiting components, a receiving area is provided for the installation of the magnet assembly, thereby ensuring the stability of the magnet assembly installation and preventing the magnet assembly from shaking. In addition, the use of clearance grooves can improve the convenience of magnet assembly installation and disassembly.
[0030] (5) By setting up a shielding cover, the magnetic shielding of the external magnetic field is achieved, so as to avoid the external magnetic field from affecting the magnetic attraction between the magnet assembly and the guide rail. Attached Figure Description
[0031] Figure 1 A schematic diagram of a suspended load-bearing device provided in the first embodiment of this utility model;
[0032] Figure 2 A schematic diagram of the suspended load-bearing device without the guide rails;
[0033] Figure 3 for Figure 2 Exploded view;
[0034] Figure 4 A cross-sectional structural diagram of a suspended load-bearing device;
[0035] Figure 5 This is a schematic diagram of the suspended load-bearing device in the second embodiment of the present invention, omitting the guide rail;
[0036] Figure 6 for Figure 5 Exploded view.
[0037] In the accompanying drawings, the reference numerals indicate:
[0038] 1. Magnetic guide frame; 11. Recessed part; 12. Connecting part; 111. Side plate; 112. Base plate; 121. Connecting hole;
[0039] 2. Magnet assembly; 3. Guide rail; 4. Guide wheel;
[0040] 5. Load-bearing components; 51. Through holes;
[0041] 6. Magnetic limiting component; 610. Receiving area; 620. Clearance groove; 61. Limiting bottom plate; 62. Limiting top plate; 63. Limiting side plate;
[0042] 7. Shielding cover; 71. Flanged edge;
[0043] 10. Window sash; 20. Window frame. Detailed Implementation
[0044] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0045] This utility model aims to provide a suspended load-bearing device. By adding load-bearing components, when the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing components can provide additional support, ensuring the smoothness and effectiveness of the load-bearing. Furthermore, by setting a shielding cover, the magnetic field is shielded, preventing external magnetic interference from affecting the overall magnetic load-bearing effect.
[0046] First embodiment:
[0047] like Figure 1 As shown, a levitation load-bearing device according to the first embodiment of this utility model includes a magnetic guide frame 1, two magnet groups 2, a guide rail 3, a guide wheel 4, and a load-bearing component 5. The magnetic guide frame 1 supports the window sash 10. The two magnet groups 2, the guide wheel 4, and the load-bearing component 5 are all mounted on the magnetic guide frame 1, while the guide rail 3 is mounted on the window frame 20. Thus, the magnetic attraction between the two magnet groups 2 and the guide rail 3 generates a magnetic force to counteract the weight of the window sash 10, thereby supporting the window sash 10. Furthermore, the guide wheel 4 limits the distance between the two magnet groups 2 and the guide rail 3, ensuring the safety and effectiveness of the magnetic attraction. In addition, the load-bearing component 5 provides additional load support when the weight of the window sash 10 exceeds the limit of the magnetic attraction force.
[0048] like Figure 3As shown, in this embodiment, the bottom of the magnetic guide frame 1 has a recess 11, which is inverted U-shaped and is composed of two side plates 111 and a bottom plate 112. The two side plates 111 are used to mount two magnet assemblies 2, while the bottom plate 112 is used to support the guide rail on the window frame and carry the window sash 10. Furthermore, each end of the recess 11 has a connecting portion 12, which extends along the radial direction of the guide rail 3 (i.e.,...). Figure 3 Two connecting holes 121 are provided at horizontal intervals in the middle for connecting with the guide wheel 5.
[0049] In a preferred embodiment, a mounting groove (not shown in the figure) can be formed on the inner wall of the side plate 11 for mounting the magnet assembly 2, thereby improving the convenience and stability of the installation of the magnet assembly 2. In another embodiment, the magnet assembly 2 can also be directly glued to the inner wall of the side plate 11. In other embodiments, the magnet assembly 2 can also be installed by means of snap-fit, connectors, etc., which will not be described in detail here.
[0050] like Figure 3 As shown, in this embodiment, two magnet assemblies 2 are respectively attached to the inner walls of the two side panels 111 by adhesive. The two opposing inner magnetic poles of the two magnet assemblies 2 are opposite, thereby generating a magnetic field for magnetic attraction with the guide rail 3. It is understood that the more magnets in the magnet assembly 2, the greater the magnetic attraction, thus enabling it to support a heavier window sash 10. However, increasing the number of magnets also increases cost and installation difficulty. Therefore, in specific applications, an appropriate number of magnets can be selected based on needs.
[0051] like Figure 1 and Figure 4 As shown, in this embodiment, the guide rail 3 is cylindrical and made of a magnetic material (e.g., iron). The guide rail 3 is disposed on the window frame 20 and located between the two magnet groups 2, so that it can be magnetically attracted to the two magnet groups 2 to generate a magnetic attraction force.
[0052] like Figure 3 As shown, in this embodiment, the guide wheels 4 are provided in two sets. The two sets of guide wheels 5 are respectively connected to both ends of the recessed portion 11 through the connecting portion 12 to limit the distance between the magnet assembly 2 and the guide rail 3. Specifically, two guide wheels 5 form a set, and the two guide wheels 5 of the same set are respectively installed in the two connecting holes 121 of the connecting portion 12 and located on both sides of the guide rail 3, so as to roll with the guide rail 3 respectively. It can be understood that by clamping the two sets of guide wheels 5 at both ends of the guide rail 3, the magnetic guide frame 1 and the guide rail 3 can be limited to avoid the magnetic guide frame 1 from deviating during movement, thereby further reducing the probability of collision between the guide rail 3 and the magnet assembly 2, which is beneficial to improving the safety of the magnet assembly 2.
[0053] like Figure 2 As shown, in this embodiment, the load-bearing component 5 is a load-bearing wheel disposed at at least one end of the magnetic guide frame 1. Specifically, as shown... Figure 3 As shown, the load-bearing wheel is along the radial direction of guide rail 3 (i.e., Figure 3 The horizontal direction of the guide rail 3 is set so that the axis of the load-bearing wheel is perpendicular to the axis of the guide rail 3. (Refer to...) Figure 4 As shown, after the window sash 10 is installed on the magnetic guide frame 1, the weight of the window sash 10 will exert a downward force F on the magnetic guide frame 1, thereby causing the magnetic guide frame 1 to descend. The force F is counteracted by the magnetic attraction between the two magnet groups 2 and the guide rail 3.
[0054] Understandably, when the weight of the window sash 10 does not exceed the limit of the magnetic attraction force, the magnetic attraction force can offset the weight of the window sash 10, thus achieving direct load-bearing for the window sash 10. When the weight of the window sash 10 exceeds the limit of the magnetic attraction force, the magnetic attraction force alone cannot offset the weight of the window sash 10. In this case, the window sash 10 will drive the magnetic guide frame 1 to continue descending until the load-bearing component 5 (i.e., the load-bearing wheel) contacts the guide rail 3. At this point, the load-bearing wheel achieves load-bearing to meet the load-bearing requirements of the window sash 10.
[0055] In this embodiment, preferably, the gap between the guide rail 3 and the inner bottom surface of the recess 11 is within the maximum load-bearing range of the two magnet groups 2. Therefore, even if the weight of the window sash 10 exceeds the maximum load-bearing capacity of the magnetic attraction, the magnetic attraction can still provide support, thus working in conjunction with the load-bearing component 5 to ensure that the load-bearing capacity of the entire device meets the requirements.
[0056] Furthermore, since the load-bearing component 5 in this embodiment uses a roller, the load-bearing roller can roll and cooperate with the guide rail 3 after being supported on the guide rail 3, thereby reducing friction and improving the smoothness of the movement of the window sash 10.
[0057] like Figure 3As shown, in the above embodiment, preferably, the suspended load-bearing device further includes two magnet limiting members 6. The two magnet limiting members 6 are respectively disposed on the inner walls of both sides of the recess, and the inner wall of each magnet limiting member 6 and the inner wall of the recess 11 form a receiving area 610, thereby allowing the magnet assembly 2 to be accommodated within the receiving area 610, thus improving the stability of the magnet assembly 2 installation. Specifically, in this embodiment, the magnet limiting member 6 is composed of a limiting bottom plate 61, a limiting top plate 62, and a limiting side plate 63. The limiting base plate 61 is supported at the bottom of the magnetic guide frame 1; the limiting top plate 62 abuts against the inner wall of the recess 11; the limiting side plate 63 is connected between the limiting base plate 61 and the limiting top plate 62, and a gap is formed between the limiting side plate 63 and the inner wall of the recess 11. The receiving area 610 is formed by the top of the limiting base plate 61, the bottom of the limiting top plate 62, the inner wall of the limiting side plate 63, and the inner wall of the recess 11. Preferably, the size of the receiving area 610 matches the size of a magnet assembly 2, so that the magnet assembly 2 can be precisely accommodated within the receiving area 610, thereby preventing the magnet assembly 2 from shaking. More preferably, the inner wall of the magnet limiting member 6 (in this embodiment, the inner wall of the limiting side plate 63) is provided with a relief groove 620, which is located in the receiving area 610, so that the operator's fingers can be inserted into the relief groove 620 to facilitate the installation or removal of the magnet assembly 2.
[0058] like Figure 3 As shown, in the above embodiment, preferably, the suspended load-bearing device further includes a shielding cover 7. Preferably, the shielding cover 7 is inverted U-shaped, with the bottom folded inward to form a flange 71, thereby matching the shape of the magnetic guide frame 1. The shielding cover 7 is made of metal material and is placed on the outside of the magnetic guide frame 1 to achieve magnetic shielding against external magnetic fields, preventing external magnetic fields from affecting the magnetic attraction between the magnet assembly 2 and the guide rail 3. It is understood that the shape and material of the shielding cover 7 in this embodiment are only a preferred implementation. In other embodiments, the specific shape and material of the shielding cover 7 can be adapted as needed, as long as the magnetic shielding effect can be met, and no specific limitation is made here.
[0059] Second embodiment:
[0060] like Figure 5 and Figure 6 As shown, a suspended load-bearing device provided in the second embodiment of this utility model includes a magnetic guide frame 1, two magnet groups 2, a guide rail 3, a guide wheel 4, a load-bearing component 5, a magnet limiting component 6, and a shielding cover 7. The difference from the first embodiment lies in the different structural form of the load-bearing component 5 in this embodiment.
[0061] Specifically, in this embodiment, such as Figure 5 and Figure 6As shown, the load-bearing component 5 is a friction-resistant plate disposed at at least one end of the magnetic guide frame. The friction-resistant plate has a through hole 51 so that one end of the guide wheel 4 (i.e., Figure 6 The top of the abrasion-resistant sheet passes through the through hole 51 and is connected to the connection hole 121 of the connecting part 12.
[0062] Therefore, when the weight of the window sash 10 exceeds the limit of the magnetic attraction force, the window sash 10 will drive the magnetic guide frame 1 to continuously press down until the load-bearing component 5 (i.e., the friction-resistant sheet) is supported on the guide rail 3, thereby using the friction-resistant sheet to support the weight of the window sash 10.
[0063] Preferably, in this embodiment, the gap between the guide rail 3 and the inner bottom surface of the recess 11 is within the maximum load-bearing range of the two magnet groups 2. Therefore, even if the weight of the window sash 10 exceeds the maximum load-bearing capacity of the magnetic attraction, the magnetic attraction can still provide support, thus working in conjunction with the load-bearing component 5 to ensure that the load-bearing capacity of the entire device meets the requirements.
[0064] Furthermore, it should be understood that in this embodiment, since the friction-resistant plate and the guide rail 3 are in a sliding fit, the friction force is slightly greater than that of rolling friction; however, compared to the structure of a roller, the friction-resistant plate has better wear resistance and a longer service life. Moreover, in this embodiment, the friction-resistant plate can be installed during the installation of the guide wheel 4, without incurring additional installation costs or requiring structural processing of the connecting part 12, thereby improving the convenience of assembly and production.
[0065] Except for the differences mentioned above, the structure of this embodiment is the same as that of the first embodiment, and will not be described again here.
[0066] Third embodiment:
[0067] The third embodiment of this utility model also provides a door and window structure, which includes any one of the suspended load-bearing devices in the first or second embodiment described above.
[0068] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.
[0069] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0070] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A suspended load-bearing device, characterized in that, include: A magnetic guide frame, the bottom of which has a recess, and the top of which is used to mount a guide rail on the window frame and support the window sash; Two magnet groups are respectively disposed on the inner walls of the two sides of the recess, and the magnetic poles of the two magnet groups are opposite on their inner sides; wherein, the two magnet groups are used to attract each other with the guide rail to generate magnetic attraction; A guide wheel is connected to at least one end of the magnetic guide frame and is used to roll in cooperation with the guide rail to limit the distance between the magnet assembly and the guide rail; A shielding cover is placed on the outside of the magnetic guide frame for magnetic shielding.
2. The suspended load-bearing device as described in claim 1, characterized in that, Also includes: A load-bearing component is disposed at at least one end of the recessed portion and is used to contact or separate from the guide rail; wherein, when the weight of the window sash does not exceed the limit of the magnetic attraction force, the load-bearing component separates from the guide rail; when the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing component contacts the guide rail.
3. The suspended load-bearing device as described in claim 2, characterized in that, The load-bearing component is a load-bearing wheel disposed at at least one end of the magnetic guide frame, and the axial direction of the load-bearing wheel is perpendicular to the axial direction of the guide rail. When the weight of the window sash exceeds the limit of the magnetic attraction force, the load-bearing wheel is supported on the guide rail and rolls in cooperation with the guide rail.
4. The suspended load-bearing device as described in claim 2, characterized in that, The load-bearing component is a friction-resistant sheet disposed at at least one end of the magnetic guide frame, and one end of the guide wheel passes through the friction-resistant sheet and is connected to one end of the magnetic guide frame; When the weight of the window sash exceeds the limit of the magnetic attraction force, the friction-resistant sheet is supported on the guide rail and slides in cooperation with the guide rail.
5. The suspended load-bearing device as described in claim 3 or 4, characterized in that, The gap between the guide rail and the inner bottom surface of the recess is within the maximum attractive force bearing range of the two magnet groups.
6. The suspended load-bearing device as described in claim 1, characterized in that, Also includes: Two magnetic limiting members are respectively disposed on the inner walls of the two sides of the recess, and the inner wall of each magnetic limiting member and the inner wall of the recess are respectively arranged to form a receiving area; the magnet group is accommodated in the receiving area.
7. The suspended load-bearing device as described in claim 6, characterized in that, The inner wall of the magnet limiting member is provided with a clearance groove, which is located within the receiving area for installing or removing the magnet assembly.
8. The suspended load-bearing device as described in claim 1, characterized in that, The guide wheels are provided in two sets, and the two sets of guide wheels are respectively connected to both ends of the magnetic guide frame to limit the distance between the magnet group and the guide rail.
9. The suspended load-bearing device as described in claim 8, characterized in that, The two guide wheels form a group, and the two guide wheels in the same group are located on both sides of the guide rail and respectively roll in cooperation with the guide rail.
10. A door and window structure, characterized in that, Includes the suspended load-bearing device as described in any one of claims 1-9.