CN221096246U - Bearing transmission device and window body - Google Patents
Bearing transmission device and window body Download PDFInfo
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- CN221096246U CN221096246U CN202323267893.XU CN202323267893U CN221096246U CN 221096246 U CN221096246 U CN 221096246U CN 202323267893 U CN202323267893 U CN 202323267893U CN 221096246 U CN221096246 U CN 221096246U
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Abstract
The utility model provides a bearing transmission device and a window body, wherein the bearing transmission device comprises a first bearing transmission mechanism, a second bearing transmission mechanism and a linkage transmission assembly, one end of the first bearing transmission mechanism is connected with one side surface of a fan body, the other end of the first bearing transmission mechanism is connected in a guide rail of a frame body in a sliding manner, one end of the second bearing transmission mechanism is connected with the other side surface of the fan body, and the other end of the second bearing transmission mechanism is connected in the guide rail of the frame body in a sliding manner; one end of the linkage transmission assembly is connected to the bottom surface of the fan body, the other end of the linkage transmission assembly is fixedly connected with the first bearing transmission mechanism and is in sliding connection with the second bearing transmission mechanism, and the linkage transmission assembly is used for assisting the first bearing transmission mechanism and the second bearing transmission mechanism to synchronously transmit two side surfaces of the fan body. The linkage transmission assembly can enhance the push-out synchronism of the first bearing transmission mechanism and the second bearing transmission mechanism and the sliding stability of the second bearing transmission mechanism.
Description
Technical Field
The utility model belongs to the technical field of building doors and windows, and particularly relates to a bearing transmission device and a window body.
Background
The hinge is a single alloy piece, and the door and window must cause the door and window to sag after long-term use, thereby influencing the opening and using effects of the door and window. The existing flat-pushing door and window is generally provided with a hinge on the bottom surface of the door and window, and in order to increase the bearing effect, a bearing shaft structure is added on the hinge.
Disclosure of utility model
The utility model aims to provide a bearing transmission device and a window body, which are used for meeting the transmission requirement of a high-weight flat-pushing door and window.
The first aspect of the utility model discloses a bearing transmission device, which comprises a first bearing transmission mechanism, a second bearing transmission mechanism and a linkage transmission assembly, wherein one end of the first bearing transmission mechanism is connected with one side surface of a fan body, the other end of the first bearing transmission mechanism is connected in a guide rail of a frame body in a sliding manner, one end of the second bearing transmission mechanism is connected with the other side surface of the fan body, and the other end of the second bearing transmission mechanism is connected in the guide rail of the frame body in a sliding manner; one end of the linkage transmission assembly is connected to the bottom surface of the fan body, the other end of the linkage transmission assembly is fixedly connected with the first bearing transmission mechanism and is in sliding connection with the second bearing transmission mechanism, and the linkage transmission assembly is used for assisting the first bearing transmission mechanism and the second bearing transmission mechanism to synchronously transmit two side surfaces of the fan body.
Further, the first bearing transmission mechanism and the second bearing transmission mechanism structure comprise a sliding frame, a transmission hinge and a bearing assembly, the sliding frame is slidably connected in the guide rail of the frame body, one end of the transmission hinge is rotatably connected with the sliding frame, the other end of the transmission hinge is rotatably connected with the bearing assembly, and the bearing assembly is fixedly connected to the side face of the fan body.
Further, the bearing assembly comprises a bearing shaft rod, a bearing shaft fixing part and a bearing shaft adjusting part, one end of the bearing shaft rod is rotatably connected with the corresponding first bearing transmission mechanism or the second bearing transmission mechanism, the bearing shaft fixing part is sleeved outside the other end of the bearing shaft rod, and the bearing shaft adjusting part is in contact with the other end of the bearing shaft rod and is movably connected with the bearing shaft fixing part.
Further, the transmission hinge comprises a rotary connecting part, a cantilever and a bearing connecting part, wherein the rotary connecting part and the bearing connecting part are respectively arranged at two ends of the cantilever, the rotary connecting part is used for connecting the corresponding sliding frame, and the bearing connecting part is used for connecting the bearing shaft lever.
Further, the linkage transmission assembly comprises a linkage hinge, a linkage rod and a connecting sliding group, the connecting sliding group comprises a sliding rail and a sliding rod which is connected to the sliding rail in a sliding manner, one end of the linkage hinge is connected with the bottom surface of the fan body, the other end of the linkage hinge is rotatably connected with the sliding rod of the connecting sliding group, one end of the linkage rod is connected with the sliding rod of the connecting sliding group, the other end of the linkage rod is connected with the first bearing transmission mechanism, and the sliding rail of the connecting sliding group is connected with the second bearing transmission mechanism.
Further, the linkage hinge comprises a linkage swing arm and a linkage fixed block, wherein the linkage fixed block is fixedly connected to the bottom surface of the fan body, one end of the linkage swing arm is rotatably connected with the linkage fixed block, and the other end of the linkage swing arm is rotatably connected to the sliding rod of the connecting sliding group.
Further, when the fan body is opened or closed, the rotation direction of the linkage hinge is the same as that of the first bearing transmission mechanism, and the rotation angle and the rotation distance of the linkage hinge are respectively equal to those of the first bearing transmission mechanism.
Further, when the fan body is opened or closed, the rotation direction of the first bearing transmission mechanism is opposite to the rotation direction of the second bearing transmission mechanism, and the rotation angle and the rotation distance of the first bearing transmission mechanism are equal to those of the second bearing transmission mechanism respectively.
The second aspect of the utility model discloses a window body, which comprises a frame body, a fan body and the bearing transmission device, wherein two ends of the bearing transmission device are respectively connected with the frame body and the fan body.
The utility model has the beneficial effects that:
The bearing transmission device of this scheme carries out the bearing through setting up first bearing drive mechanism and second bearing drive mechanism respectively at the both sides face of fan body, and its bearing adjustable space is greater than the bearing adjustable space of bottom, so can increase extension bearing structure as required to increase first bearing drive mechanism and second bearing drive mechanism's bearable weight, adaptation large-scale flat-pushing door and window's transmission demand. When the fan body is pushed out of the frame body, the positions of the first bearing transmission mechanism and the second bearing transmission mechanism relative to the frame body can be changed, and the linkage transmission assembly is arranged on the bottom surface of the fan body and is fixedly connected with the first bearing transmission mechanism and is in sliding connection with the second bearing transmission mechanism respectively, so that the second bearing transmission mechanism can stably slide in the guide rail of the frame body when the first bearing transmission mechanism drives the linkage transmission assembly to synchronously push out. The linkage transmission assembly can enhance the push-out synchronism of the first bearing transmission mechanism and the second bearing transmission mechanism and the sliding stability of the second bearing transmission mechanism.
Drawings
FIG. 1 is a schematic view of a partial structure of a window;
FIG. 2 is a schematic view of a first angular configuration of a load bearing transmission;
FIG. 3 is a schematic view of a second angular configuration of the load bearing transmission;
FIG. 4 is a schematic structural view of a load bearing drive mechanism;
FIG. 5 is a schematic view of a partial structure of a load bearing drive mechanism;
FIG. 6 is a schematic view of a combination of a load bearing assembly and a drive hinge;
FIG. 7 is a cross-sectional view of the load bearing assembly and drive hinge of FIG. 6;
Fig. 8 is a partial structural schematic view of the link hinge.
Reference numerals illustrate:
1. A load bearing transmission device; 2. a frame; 3. a fan body;
10. A bearing transmission mechanism; 101. a first load bearing transmission mechanism; 102. the second bearing transmission mechanism;
11. A carriage; 12. a drive hinge; 121. a rotary connection part; 1211. a rotating block; 1212. a rotation shaft; 1213. a force assisting arm; 1214. a power-assisted elastic member; 122. a cantilever; 123. a load-bearing connection; 1231. a bearing shaft seat; 1232. a load bearing; 13. a load bearing assembly; 131. a bearing shaft lever; 132. a bearing shaft fixing member; 133. a bearing shaft adjuster;
20. A linkage transmission assembly; 21. a linkage hinge; 211. a linkage swing arm; 212. a linkage fixed block; 22. a linkage rod; 23. connecting a sliding group; 231. a slide rail; 232. and a slide bar.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the terms in the present utility model will be understood by those of ordinary skill in the art in specific detail.
Referring to fig. 1, this embodiment discloses a window body that is a flat-pushing window body. The window comprises a frame body 2, a fan body 3 and a bearing transmission device 1, wherein two ends of the bearing transmission device 1 are respectively connected with the frame body 2 and the fan body 3.
Referring to fig. 2-8, the bearing transmission device 1 comprises a first bearing transmission mechanism 101, a second bearing transmission mechanism 102 and a linkage transmission assembly 20, wherein one end of the first bearing transmission mechanism 101 is connected to one side surface of the fan body 3, the other end of the first bearing transmission mechanism 101 is slidably connected to the guide rail of the frame body 2, one end of the second bearing transmission mechanism 102 is connected to the other side surface of the fan body 3, and the other end of the second bearing transmission mechanism 102 is slidably connected to the guide rail of the frame body 2; one end of the linkage transmission assembly 20 is connected to the bottom surface of the fan body 3, the other end of the linkage transmission assembly 20 is fixedly connected with the first bearing transmission mechanism 101 and is slidably connected with the second bearing transmission mechanism 102, and the linkage transmission assembly 20 is used for assisting the first bearing transmission mechanism 101 and the second bearing transmission mechanism 102 to synchronously transmit two side surfaces of the fan body 3.
The bearing transmission device 1 of this scheme carries out the bearing through setting up first bearing drive mechanism 101 and second bearing drive mechanism 102 respectively at the both sides face of fan 3 and strengthens, and its bearing adjustable space is greater than the bearing adjustable space of bottom, so can increase the extension bearing structure according to the demand to increase the bearable weight of first bearing drive mechanism 101 and second bearing drive mechanism 102, adapt to large-scale flat-pushing door and window's transmission demand. When the fan body 3 pushes out of the frame body 2, the positions of the first bearing transmission mechanism 101 and the second bearing transmission mechanism 102 relative to the frame body 2 change, and the linkage transmission assembly 20 is arranged on the bottom surface of the fan body 3 and is fixedly connected with the first bearing transmission mechanism 101 and is in sliding connection with the second bearing transmission mechanism 102 respectively, so that when the first bearing transmission mechanism 101 drives the linkage transmission assembly 20 to push out synchronously, the second bearing transmission mechanism 102 can slide in the guide rail of the frame body 2 stably. The linkage transmission assembly 20 can enhance the push-out synchronicity of the first load bearing transmission mechanism 101 and the second load bearing transmission mechanism 102, as well as the sliding stability of the second load bearing transmission mechanism 102.
In this embodiment, the first bearing transmission mechanism 101 and the second bearing transmission mechanism 102 are both configured as a bearing transmission mechanism 10, the bearing transmission mechanism 10 includes a sliding frame 11, a transmission hinge 12 and a bearing component 13, the sliding frame 11 is slidably connected in a guide rail of the frame 2, one end of the transmission hinge 12 is rotatably connected to the sliding frame 11, the other end of the transmission hinge 12 is rotatably connected to the bearing component 13, and the bearing component 13 is fixedly connected to a side surface of the fan 3. The sliding frame 11 is used for realizing the horizontal pushing action of the fan body 3, the transmission hinge 12 is used for transmitting the fan body 3 to be separated from the frame body 2, and the bearing component 13 is used for being arranged on two sides of the fan body 3 to bear the weight of the fan body 3. The vertical cooperation of bearing assembly 13 and transmission hinge 12 can avoid the fan to draw the weight to lead to the slope of side bearing assembly 13, and then increases the bearing effect of transmission hinge 12.
It should be noted that, in the prior art, the connection position between the side profile of the fan body 3 and the bottom profile of the fan body 3 is reinforced by the corner connector, and the bottom surface of the bearing component 13 arranged on the fan body 3 coincides with the corner connector, so that a hole site for accommodating the bearing shaft needs to be machined on the corner connector, and the machining process is complex. The bearing component 13 is arranged on the side face of the fan body 3, and interference with the corner connector is not needed, so that the corner connector processing procedure can be omitted, the cost is saved, and the installation efficiency is improved.
In this embodiment, the bearing assembly 13 includes a bearing shaft 131, a bearing shaft fixing member 132 and a bearing shaft adjusting member 133, one end of the bearing shaft 131 is rotatably connected to the corresponding first bearing transmission mechanism 101 or second bearing transmission mechanism 102, the bearing shaft fixing member 132 is sleeved outside the other end of the bearing shaft 131, and the bearing shaft adjusting member 133 is in contact with the other end of the bearing shaft 131 and is movably connected to the bearing shaft fixing member 132.
In this scheme, the bearing shaft adjusting piece 133 is disposed at the top of the bearing shaft 131, so that the bearing transmission device 1 mounted on the fan 3 can adjust the height of the fan 3 from top to bottom, and the bearing transmission device 1 of this scheme can be applied to the transmission structure of a large-scale landing door and window.
Specifically, the bearing shaft adjusting member 133 is provided with an external thread structure, the bearing shaft fixing member 132 is provided with a hollow cavity, the hollow cavity is internally provided with an internal thread structure, the bearing shaft lever 131 is inserted into the hollow cavity from bottom to top, and the bearing shaft adjusting member 133 is connected in the hollow cavity from top to bottom in a threaded manner. The lower end of the bearing shaft adjusting member 133 abuts against the upper end of the bearing shaft lever 131, and the lower end of the bearing shaft lever 131 abuts against and is fixed on the bearing connecting portion 123, so that when the bearing shaft lever 131 cannot move when the bearing adjusting member rotates, the bearing fixing member is lifted upwards relative to the bearing shaft lever 131, so that the sagged fan 3 is lifted.
In this embodiment, the driving hinge 12 includes a rotation connection portion 121, a cantilever 122 and a bearing connection portion 123, where the rotation connection portion 121 and the bearing connection portion 123 are respectively disposed at two ends of the cantilever 122, the rotation connection portion 121 is used for connecting with the corresponding sliding frame 11, and the bearing connection portion 123 is used for connecting with the bearing shaft lever 131.
In this embodiment, the load-bearing connecting portion 123 includes a load-bearing shaft seat 1231 and a load-bearing 1232 disposed on the load-bearing shaft seat 1231, and the load-bearing shaft 131 is inserted into the load-bearing shaft seat 1231 and rotatably connected to the load-bearing 1232.
In the present embodiment, the rotation connection portion 121 includes a rotation block 1211, a rotation shaft 1212, a power assisting arm 1213, and a power assisting elastic member 1214, the rotation block 1211 is rotatably connected to the bottom surface of the frame 2 through the rotation shaft 1212, the power assisting elastic member 1214 is fixed to the bottom surface of the frame 2, one end of the power assisting arm 1213 is rotatably connected to the rotation block 1211, and the other end of the power assisting arm 1213 is connected to the power assisting elastic member 1214. It should be noted that, the booster elastic element 1214 is in a compression limit state at a point between the deployment of the booster arm 1213 to the maximum angle and the retraction to the minimum angle, so as to ensure that the booster arm 1213 is in an extensible state after passing the point, and thus the booster elastic element 1214 can perform a booster function.
In this embodiment, the linkage transmission assembly 20 includes a linkage hinge 21, a linkage rod 22 and a connecting sliding group 23, the connecting sliding group 23 includes a sliding rail and a sliding rod slidingly connected to the sliding rail, one end of the linkage hinge 21 is connected to the bottom surface of the fan body 3, the other end of the linkage hinge 21 is rotatably connected to the sliding rod of the connecting sliding group, one end of the linkage rod 22 is connected to the sliding rod of the connecting sliding group 23, the other end of the linkage rod 22 is connected to the first bearing transmission mechanism 101, and the sliding rail of the connecting sliding group 23 is connected to the second bearing transmission mechanism 102.
Specifically, the linkage hinge 21 includes a linkage swing arm 211 and a linkage fixed block 212, the linkage fixed block 212 is fixedly connected to the bottom surface of the fan body 3, one end of the linkage swing arm 211 is rotatably connected to the linkage fixed block 212, and the other end of the linkage swing arm 211 is respectively rotatably connected to the slide bars of the connection slide group 23. Of course, the linkage hinge 21 may be also configured as a plurality of linkage swing arms 211 and linkage fixing blocks 212, so long as the auxiliary linkage hinge 21 structure that the acting forces applied to the two sides by the first bearing transmission mechanism 101 and the second bearing transmission mechanism 102 when pushing the two sides of the window sash are equal is all simple deformation and transformation of the scheme, and the protection scope of the present utility model should be included.
It can be understood that in the above embodiment, the other end of the linkage hinge 21 and one end of the linkage rod 22 are both fixed to the sliding rod 232, and the sliding rail 231 is fixedly connected to the first bearing transmission mechanism 101; in another embodiment, the other end of the linkage hinge 21 and one end of the linkage rod 22 are both fixed to the sliding rail 231, and the sliding rod 232 is fixedly connected to the first load-bearing transmission mechanism 101.
In this embodiment, the preferred linkage hinge 21 is a linkage hinge 21 structure that can form a "parallelogram" shape with the first load bearing transmission mechanism 101. When the fan body 3 is opened or closed, the rotation direction of the linkage hinge 21 is the same as the rotation direction of the first load-bearing transmission mechanism 101, and the rotation angle and the rotation distance of the linkage hinge 21 are respectively equal to the rotation angle and the rotation distance of the first load-bearing transmission mechanism 101. The linkage hinge 21 has simple structure, easy realization and convenient operation.
Of course, the present solution is not limited to the specific arrangement of the above-mentioned linkage hinge 21, but the fan 3 may be pushed by an "X" -shaped hinge structure, and the function of opening the fan 3 in parallel may be realized.
It should be noted that, the first load-bearing transmission mechanism 101 and the second load-bearing transmission mechanism 102 are preferably in a combination structure of the transmission hinge 12 with an inverted splayed shape. When the fan body 3 is opened or closed, the rotation direction of the first bearing transmission mechanism 101 is opposite to the rotation direction of the second bearing transmission mechanism 102, and the rotation angle and the rotation distance of the first bearing transmission mechanism 101 are equal to the rotation angle and the rotation distance of the second bearing transmission mechanism 102 respectively. The structural design of the transmission hinge 12 with the inverted splayed shape can enable the second bearing transmission mechanism 102 to slide in the frame body 2 in the rotating process, so that transmission continuity between the first bearing transmission mechanism 101 and the first bearing transmission mechanism 101 is ensured, and meanwhile, one side of the second bearing transmission mechanism 102 driving the fan body 3 can be ensured not to protrude out of the frame body 2.
Based on the bearing transmission device 1 with the shape of the inverted Chinese character 'ba', the inventor performs repeated opening and closing performance test. The specific test is as follows:
The load-bearing transmission device 1 with the shape of the inverted figure is arranged on a fan body 3 with the weight of 100kg (the maximum weight of the fan body 3 which can be arranged by other load-bearing transmission devices 1 with the same grade material is 60 kg);
The test is opened and closed repeatedly, 25000 cycles are opened and closed in a translation state, 10000 cycles are opened and closed in a suspension state, and all operation functions are normal and satisfy:
a) The rotating moment of the handle or the operating device for operating the hardware system is not more than 10 N.m, and the force applied to the handle is not more than 100N;
b) After the test, the distance variation value between the frame and the fan in the direction vertical to the plane of the fan body 3 is smaller than 1mm; when the fan body 3 is closed at the flat-open position, the acting force pushed into the frame should not be larger than 120N.
The experimental conclusion proves that the bearing transmission device 1 of the scheme can greatly increase the bearing quality.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The bearing transmission device is characterized by comprising a first bearing transmission mechanism, a second bearing transmission mechanism and a linkage transmission assembly, wherein one end of the first bearing transmission mechanism is connected to one side surface of a fan body, the other end of the first bearing transmission mechanism is connected in a guide rail of a frame body in a sliding manner, one end of the second bearing transmission mechanism is connected to the other side surface of the fan body, and the other end of the second bearing transmission mechanism is connected in the guide rail of the frame body in a sliding manner; one end of the linkage transmission assembly is connected to the bottom surface of the fan body, the other end of the linkage transmission assembly is fixedly connected with the first bearing transmission mechanism and is in sliding connection with the second bearing transmission mechanism, and the linkage transmission assembly is used for assisting the first bearing transmission mechanism and the second bearing transmission mechanism to synchronously transmit two side surfaces of the fan body.
2. The load bearing transmission of claim 1, wherein the first load bearing transmission structure and the second load bearing transmission structure each comprise a sliding frame, a transmission hinge and a load bearing assembly, wherein the sliding frame is slidably connected in the guide rail of the frame body, one end of the transmission hinge is rotatably connected with the sliding frame, the other end of the transmission hinge is rotatably connected with the load bearing assembly, and the load bearing assembly is fixedly connected to the side surface of the fan body.
3. The load bearing assembly of claim 2, wherein the load bearing assembly comprises a load bearing shaft, a load bearing shaft fastener, and a load bearing shaft adjuster, one end of the load bearing shaft is rotatably connected to the corresponding first load bearing transmission mechanism or second load bearing transmission mechanism, the load bearing shaft fastener is sleeved outside the other end of the load bearing shaft, and the load bearing shaft adjuster is in contact with the other end of the load bearing shaft and is movably connected to the load bearing shaft fastener.
4. A load bearing transmission as claimed in claim 3, wherein the transmission hinge comprises a rotary connection, a cantilever and a load bearing connection, the rotary connection and the load bearing connection being provided at respective ends of the cantilever, the rotary connection being adapted to connect to the respective carriage, the load bearing connection being adapted to connect to the load bearing shaft.
5. The load bearing transmission device of claim 1, wherein the linkage transmission assembly comprises a linkage hinge, a linkage rod and a connection sliding group, the connection sliding group comprises a sliding rail and a sliding rod which is connected to the sliding rail in a sliding manner, one end of the linkage hinge is connected with the bottom surface of the fan body, the other end of the linkage hinge is rotatably connected with the sliding rod of the connection sliding group, one end of the linkage rod is connected with the sliding rod of the connection sliding group, the other end of the linkage rod is connected with the first load bearing transmission mechanism, and the sliding rail of the connection sliding group is connected with the second load bearing transmission mechanism.
6. The load-bearing transmission device according to claim 5, wherein the linkage hinge comprises a linkage swing arm and a linkage fixed block, the linkage fixed block is fixedly connected to the bottom surface of the fan body, one end of the linkage swing arm is rotatably connected with the linkage fixed block, and the other end of the linkage swing arm is rotatably connected to the sliding rod of the connecting sliding group.
7. The load bearing transmission of claim 5, wherein the rotation direction of the linkage hinge is the same as the rotation direction of the first load bearing transmission mechanism when the fan is opened or closed, and the rotation angle and the rotation distance of the linkage hinge are equal to the rotation angle and the rotation distance of the first load bearing transmission mechanism, respectively.
8. The load bearing transmission of claim 1, wherein the direction of rotation of the first load bearing transmission mechanism is opposite to the direction of rotation of the second load bearing transmission mechanism when the fan is open or closed, and the angle of rotation and the distance of rotation of the first load bearing transmission mechanism are equal to the angle of rotation and the distance of rotation of the second load bearing transmission mechanism, respectively.
9. A window comprising a frame, a sash, and a load-bearing transmission as claimed in any one of claims 1 to 8, wherein two ends of the load-bearing transmission are connected to the frame and the sash, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267893.XU CN221096246U (en) | 2023-11-29 | 2023-11-29 | Bearing transmission device and window body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267893.XU CN221096246U (en) | 2023-11-29 | 2023-11-29 | Bearing transmission device and window body |
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| Publication Number | Publication Date |
|---|---|
| CN221096246U true CN221096246U (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323267893.XU Active CN221096246U (en) | 2023-11-29 | 2023-11-29 | Bearing transmission device and window body |
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| Country | Link |
|---|---|
| CN (1) | CN221096246U (en) |
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2023
- 2023-11-29 CN CN202323267893.XU patent/CN221096246U/en active Active
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