CN223918756U - Applicator for tire silence cotton - Google Patents
Applicator for tire silence cottonInfo
- Publication number
- CN223918756U CN223918756U CN202520579919.4U CN202520579919U CN223918756U CN 223918756 U CN223918756 U CN 223918756U CN 202520579919 U CN202520579919 U CN 202520579919U CN 223918756 U CN223918756 U CN 223918756U
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- tire
- assembly
- roller
- frame
- roller assembly
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Abstract
本实用新型涉及一种轮胎静音绵用敷贴机，包括机架、轮胎夹持装置和压合装置。轮胎夹持装置由间距调节组件、电机、转轴组件、第一压轮组件和第二压轮组件组成。间距调节组件连接第一、第二压轮组件，转轴组件设于调节组件上方，电机驱动转轴组件旋转。通过第一、第二压轮组件和转轴组件协同作用，实现对轮胎的稳定夹持。轮胎竖直放置于转轴组件上，由电机驱动旋转，便于工人均匀涂覆清洗剂，确保轮胎内壁清洁，为静音绵贴合奠定基础。贴敷时，静音绵放入轮胎内，通过压合装置施加均匀压力，同时转轴组件带动轮胎旋转，实现静音绵与内壁的精准贴合与牢固粘合，有效避免错位、脱落等问题。
This utility model relates to a tire sound-absorbing foam application machine, including a frame, a tire clamping device, and a pressing device. The tire clamping device consists of a spacing adjustment component, a motor, a rotating shaft assembly, a first pressure roller assembly, and a second pressure roller assembly. The spacing adjustment component connects the first and second pressure roller assemblies, and the rotating shaft assembly is located above the adjustment component, driven by the motor to rotate. Through the coordinated action of the first and second pressure roller assemblies and the rotating shaft assembly, stable clamping of the tire is achieved. The tire is placed vertically on the rotating shaft assembly and rotated by the motor, facilitating the worker to evenly apply cleaning agent, ensuring the cleanliness of the tire's inner wall, and laying the foundation for sound-absorbing foam application. During application, the sound-absorbing foam is placed inside the tire, and uniform pressure is applied by the pressing device. Simultaneously, the rotating shaft assembly drives the tire to rotate, achieving precise adhesion and firm bonding between the sound-absorbing foam and the inner wall, effectively avoiding problems such as misalignment and detachment.
Description
Technical Field
The utility model relates to the technical field of tire processing equipment, in particular to a tire silence cotton applicator.
Background
At present, the domestic application of the tire silence cotton mainly depends on manual operation, and the mode has a plurality of technical problems, so that the application quality and the service life of the silence cotton are seriously affected. The specific problems are as follows:
The cleaning problem is that the inner wall of the tire is difficult to clean comprehensively by workers due to the fact that the tire needs to be fixed and clamped in the process of applying, so that the cleaning is incomplete. Residual stains or impurities on the inner wall of the tire can influence the bonding effect of the mute cotton back rubber and the inner wall of the tire, so that the bonding is unstable, and even the mute cotton falls off.
The lamination problem is that the mute cotton has longer size, and the problems of snakelike running, gap dislocation between two pieces of cotton and the like are easy to occur during manual lamination. The dislocation not only can lead to the deviation of the mute cotton, but also can be attached to the deformation area of the tire when serious, thereby affecting the service life of the mute cotton and reducing the noise reduction performance of the mute cotton.
Lamination problems after the silent cotton is applied to the inner wall of the tire, it is often necessary to press by hand to ensure a firm bond with the inner wall of the tire. However, the pressure distribution of manual pressing is uneven, so that the adhesion between the mute cotton back rubber and the inner wall of the tire is insufficient, and further the mute cotton falls off, thereby affecting the service performance of the tire.
The equipment cost problem is that the existing automatic pasting equipment can improve the pasting efficiency, but the occupied area is large, the equipment cost is high, and the return on investment is low. This makes it difficult for many enterprises to afford the expense of equipment procurement and maintenance.
In summary, the application of the silent tire floss in the prior art mainly depends on manual operation, and has the problems of incomplete cleaning, inaccurate lamination, uneven lamination, high equipment cost and the like. Therefore, there is a need for a tire silence applicator that is efficient, accurate, low cost, and easy to popularize, to address the above-described issues.
Disclosure of utility model
Therefore, an object of the present utility model is to provide an applicator for a tire silence cotton, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.
The utility model provides a continuous machine of applying ointment or plaster of using of tire silence, includes frame, tire clamping device and compression fittings, is equipped with tire clamping device and compression fittings tire clamping device in the frame and includes interval adjustment subassembly, motor, pivot subassembly and first pinch roller subassembly and second pinch roller subassembly, and interval adjustment subassembly is connected with first pinch roller subassembly and second pinch roller subassembly, and the pivot subassembly sets up in adjustment subassembly's top, and the output and the pivot subassembly of motor are connected.
The first pinch roller assembly is attached to the first side face of the tire, the second pinch roller assembly is attached to the second side face of the tire, the first side face is parallel to the second side face, the rotating shaft assembly is attached to the third side face of the tire, the third side face is the side face of the tire, which is in contact with the ground, and the first pinch roller assembly, the second pinch roller assembly and the rotating shaft assembly are used for clamping the tire in a coaction mode.
Preferably, the first pinch roller assembly comprises a first roller frame, a first roller assembly and a second roller assembly, wherein one end of the first roller frame is provided with the first roller assembly, and the other end of the first roller frame is provided with the second roller assembly.
In any of the above solutions, preferably, the second puck assembly includes a second roller frame, a third roller assembly, and a fourth roller assembly, where one end of the second roller frame is provided with the third roller assembly, and the other end of the second roller frame is provided with the fourth roller assembly.
In any of the above embodiments, preferably, the first roller assembly includes a first support rod and a roller, the first support rod penetrates the roller along an axis of the roller, and the second roller assembly, the third roller assembly and the fourth roller assembly have the same structure as the first roller assembly.
In any of the above schemes, preferably, the space adjusting assembly includes a bidirectional screw rod, a first optical axis and a second optical axis, the bidirectional screw rod is parallel to the first optical axis and the second optical axis, and the bidirectional screw rod is located between the first optical axis and the second optical axis, the first optical axis, the second optical axis and the bidirectional screw rod respectively penetrate through the first roller frame and the second roller frame, and the bidirectional screw rod is configured to drive the first roller frame and the second roller frame to make a linear movement that is close to or far away from each other along an axial direction of the bidirectional screw rod.
In any of the above schemes, preferably, the rotating shaft assembly includes a driving shaft and a driven shaft, the driving shaft and the driven shaft are horizontally arranged in parallel, a distance between the driving shaft and the driven shaft is smaller than a length of the first roller frame, and an output end of the motor is connected with the driving shaft.
In any of the above schemes, it is preferable that the first roller frame and the second roller frame have inverted trapezoid structures, respectively.
In any of the above schemes, preferably, the pressing device includes a first linear module, a second linear module, a support and a pinch roller assembly, the first linear module is horizontally arranged, an output end of the first linear module is connected with the second linear module, an output end of the second linear module is connected with the support, and a tail end of the support is connected with the pinch roller assembly.
In any of the above schemes, preferably, the pinch roller assembly comprises a pinch roller and a pinch roller frame, the pinch roller is arranged in the pinch roller frame, and two ends of the pinch roller frame extend out of the locating strips respectively.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
According to the tire mute cotton applicator, the first pressing wheel component, the second pressing wheel component and the rotating shaft component are in coaction to form stable clamping on the tire, the tire is vertically placed on the rotating shaft component, and the rotating shaft component is driven by the motor to drive the tire to rotate, so that a worker can conveniently and uniformly coat cleaning agents on the inner wall of the tire, comprehensive and efficient cleaning is realized, the cleanliness of the inner wall of the tire is ensured, and a foundation is laid for firm attachment of the mute cotton. When the mute cotton is applied, the mute cotton is firstly placed in the tire, uniform pressure is applied to the mute cotton through the pressing device, and the tire is driven to rotate through the rotating shaft assembly, so that the mute cotton and the inner wall of the tire are accurately attached and firmly bonded, and the problems of dislocation, falling and the like are effectively avoided. The application machine has the advantages of small volume, small occupied area and low cost, and can greatly improve the production efficiency.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of an applicator for a tire silence cotton according to an embodiment of the present utility model;
Fig. 2 is a schematic view showing the structure of a tire clamping device in an applicator for tire silence cotton according to an embodiment of the present utility model;
Fig. 3 is a schematic structural view of a pinch roller assembly in an applicator for a tire silence cotton according to an embodiment of the present utility model.
The device comprises a 1-frame, a 2-motor, a 3-first roller frame, a 4-first supporting rod, a 5-roller, a 6-bidirectional screw rod, a 7-first optical axis, an 8-second optical axis, a 9-driving shaft, a 10-driven shaft, an 11-first linear module, a 12-second linear module, a 13-bracket, a 14-pinch roller, a 15-roller frame, a 16-positioning strip and a 17-handle.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 3, the applicator for the tire silence cotton comprises a frame 1, a tire clamping device and a pressing device, wherein the tire clamping device and the pressing device are arranged on the frame 1, the tire clamping device comprises a spacing adjusting component, a motor 2, a rotating shaft component, a first pressing wheel component and a second pressing wheel component, the spacing adjusting component is connected with the first pressing wheel component and the second pressing wheel component, the rotating shaft component is arranged above the adjusting component, and the output end of the motor 2 is connected with the rotating shaft component;
The first pinch roller assembly is attached to the first side face of the tire, the second pinch roller assembly is attached to the second side face of the tire, the first side face is parallel to the second side face, the rotating shaft assembly is attached to the third side face of the tire, the third side face is the side face of the tire, which is in contact with the ground, and the first pinch roller assembly, the second pinch roller assembly and the rotating shaft assembly are used for clamping the tire in a coaction mode.
The first side and the second side of the tire are perpendicular to the third side, respectively.
The rotating shaft assembly can drive the wheel belt to rotate, the first pressing wheel assembly and the second pressing wheel assembly are used for clamping the side face of the tire, the rotating shaft assembly rotates to drive the tire to rotate, and a worker can conveniently clean the tire and operate the next step.
Specifically, the first pinch roller assembly comprises a first roller frame 3, a first roller shaft 5 assembly and a second roller shaft 5 assembly, wherein the first roller shaft 5 assembly is arranged at one end of the first roller frame 3, and the second roller shaft 5 assembly is arranged at the other end of the first roller frame 3.
Specifically, the second pinch roller assembly comprises a second roller frame, a third roller 5 assembly and a fourth roller 5 assembly, wherein one end of the second roller frame is provided with the third roller 5 assembly, and the other end of the second roller frame is provided with the fourth roller 5 assembly.
Specifically, the first roller frame 3 and the second roller frame are respectively in an inverted trapezoid structure. The first roller frame 3 comprises a bottom frame and sub frames, wherein the bottom frame is horizontally arranged, two ends of the bottom frame are respectively connected with one sub frame, an included angle between the bottom frame and each sub frame is preferably 120 degrees, one sub frame is provided with a first roller assembly, and the other sub frame is provided with a second roller assembly. The second roller frame has the same structure as the first roller frame 3, and is of inverted trapezoid design so as to ensure the stability of the structure and the symmetry of the function.
Specifically, the first roller 5 assembly includes a first supporting rod 4 and a roller 5, the first supporting rod 4 penetrates the roller 5 along the axis of the roller 5, and the second roller 5 assembly, the third roller 5 assembly and the fourth roller 5 assembly have the same structure as the first roller 5 assembly.
The included angle between the first support rod 4 and one of the sub frames is ninety degrees, and the roller 5 is rotatably arranged on the first support rod 4 so as to realize flexible rotation of the roller 5. The rollers on the first roller assembly and the rollers on the third roller assembly are configured to be in close contact with the first face of the tire, and the rollers on the second roller assembly and the rollers on the fourth roller assembly are configured to be in close contact with the second face of the tire. The third surface of the tire (namely the side surface of the tire contacted with the ground) is jointed by combining the rotating shaft assembly, so that stable clamping of the tire is formed,
The roller on the first roller assembly, the roller on the second roller assembly, the roller on the third roller assembly and the roller on the fourth roller assembly can synchronously rotate with the tire. The synchronous rotation design effectively ensures the stability of the tire in the rotation process and avoids the phenomenon of deviation or slipping of the tire. Meanwhile, the stability and the operation reliability of the clamping device are further improved through the close fitting of the idler wheels and the tires, and the tires are ensured to be always kept accurately aligned and firmly fixed in the rotation and clamping processes.
Specifically, the interval adjusting assembly comprises a bidirectional screw rod 6, a first optical axis 7 and a second optical axis 8, the bidirectional screw rod 6 is arranged in parallel with the first optical axis 7 and the second optical axis 8, the bidirectional screw rod 6 is located between the first optical axis 7 and the second optical axis 8, the first optical axis 7, the second optical axis 8 and the bidirectional screw rod 6 respectively penetrate through the first roller frame 3 and the second roller frame, and the bidirectional screw rod 6 is configured to drive the first roller frame 3 and the second roller frame to do linear motion which is close to or far away from each other along the axial direction of the bidirectional screw rod 6.
Both ends of the first optical axis 7 and both ends of the second optical axis 8 are respectively mounted on the frame 1 through fixing seats. The two ends of the bidirectional screw rod 6 are provided with bearing seats, the bidirectional screw rod 6 is installed on the frame 1 through the bearing seats, the bidirectional screw rod can propaganda on the bearing seats, one end of the bidirectional screw rod is connected with the first roller frame 3 through screw rod threads, the other end of the bidirectional screw rod 6 is connected with the second roller frame through screw rod threads, the threads of one end of the bidirectional screw rod 6 are opposite to the threads of the other end of the bidirectional screw rod 6, when the bidirectional screw rod 6 is rotated clockwise or rotated anticlockwise, the first roller frame 3 and the second roller frame can be controlled to be close to or far away from each other, clamping is formed on the first side face and the second side face of the tire, the bidirectional screw rod further comprises a handle 17, and the handle 17 is installed at one end of the bidirectional screw rod 6 and used for facilitating manual adjustment of the distance between the first roller frame 3 and the second roller frame. The first roller frame 3 is arranged at one end of the bidirectional screw rod 6, and the second roller frame is arranged at the other end of the bidirectional screw rod 6. The bidirectional screw rod 6 is driven to rotate by shaking the handle 17, and the first roller frame 3 and the second roller frame can be controlled to move close to or away from each other along the axial direction of the bidirectional screw rod 6, so that the position of the roller frame can be flexibly adjusted according to the width of the tire, and the stable support of the tire is realized. The design improves the applicability and the adjustment precision of the device and enhances the convenience of use.
The first optical axis 7 and the second optical axis 8 serve as guides and stable supports for the first roller frame 3 and the second roller frame in the axial direction of the bidirectional screw 6, and the first roller frame 3 and the second roller frame can slide on the first optical axis 7 and the second optical axis 8.
Specifically, the rotating shaft assembly comprises a driving shaft 9 and a driven shaft 10, the driving shaft 9 and the driven shaft 10 are horizontally arranged in parallel, the distance between the driving shaft 9 and the driven shaft 10 is smaller than the length of the first roller frame 3, and the output end of the motor 2 is connected with the driving shaft 9.
The motor 2 drives the driving shaft 9 to rotate, and the rotation of the driving shaft 9 drives the tire to synchronously rotate due to friction force between the driving shaft 9 and the tire contact surface, so that the tire can stably rotate between the driving wheel and the driven wheel. After the worker finishes the processing treatment of the inner wall of the side, close to the ground, of the tire, the motor 2 can be started to drive the tire to rotate continuously, so that the other parts of the inner wall of the tire can be processed continuously. The design obviously improves the operation convenience of workers and reduces the workload of manually adjusting the positions of the tires.
In addition, when the worker needs to smear cleaning agent on the inner wall of the tire or scrub the tire, the worker only needs to control the motor 2 to drive the tire to slowly rotate at a lower rotating speed, and then evenly clean or treat the inner wall of the tire, so that the operation efficiency and cleaning effect are further improved.
Specifically, the pressing device comprises a first linear module 11, a second linear module 12, a support 13 and a pressing wheel assembly, wherein the first linear module 11 is horizontally arranged, the output end of the first linear module 11 is connected with the second linear module 12, the output end of the second linear module 12 is connected with the support 13, and the tail end of the support 13 is connected with the pressing wheel assembly.
Specifically, the pinch roller assembly comprises a pinch roller 14 and a pinch roller frame 15, wherein the pinch roller 14 is arranged in the pinch roller frame 15, and two ends of the pinch roller frame 15 extend out of positioning strips 16 respectively.
The pinch roller can rotate on the pinch roller frame 15, when the silence cotton is packed into, drive the pinch roller through control first straight line module 11 and second straight line module 12 and move down, make the silence cotton surface of pinch roller closely on the tire inner wall. Then, the rotating shaft assembly drives the tire to rotate, so that the pressing wheel uniformly rolls on the inner wall of the tire, and the mute cotton is uniformly compacted and firmly attached to the inner wall of the tire. In the process, the two ends of the pressing wheel are respectively provided with a positioning strip 16 for limiting the position of the mute cotton, preventing the mute cotton from shifting or misplacing in the pressing process, and ensuring the accurate positioning and stable lamination of the mute cotton. The design not only improves the attaching efficiency and quality of the mute cotton, but also avoids the problem of unstable attaching caused by offset, and enhances the practicability and reliability of the device.
The working principle of the utility model is that firstly, the tyre is placed on the rotating shaft assembly, and the positions of the first roller frame and the second roller frame are adjusted through the bidirectional screw rod, so that the first roller frame and the second roller frame are respectively tightly attached to two side surfaces of the tyre, thereby forming stable support for the tyre. Then, the motor is started, and the motor drives the driving shaft to drive the tire to slowly rotate. And in the process of rotating the tire, a worker uniformly smears the cleaning agent on the inner wall of the tire and comprehensively cleans the inner wall of the tire.
After the cleaning is finished, the worker lays the mute cotton on the inner wall of the tire, then moves to the upper surface of the mute cotton through the control pressing wheel, and applies pressure to the mute cotton. And starting the motor again to drive the tire to slowly rotate, so that the pressing wheel uniformly rolls on the inner wall of the tire, and uniformly compacting and firmly attaching the mute cotton on the inner wall of the tire to finally finish the installation of the mute cotton. The process is simple and convenient to operate, high in laminating precision and capable of ensuring the installation quality and the use effect of the mute cotton.
The utility model has the advantages that the pressing wheel is 100% centered with the central line of the tire station, the complete fit of the central line of the mute cotton and the central line of the inner wall of the tire is ensured, the problem of improper fitting such as snakelike running is solved, the pressing wheel matched with the tire in size is adopted for uniform pressing, the mute cotton back rubber is ensured to be fully fitted with the inner wall of the tire, and the falling phenomenon is avoided. The equipment integrates three stations of cleaning, cotton pasting and pressing into one station, so that the size of the equipment is greatly reduced, the equipment can be flexibly placed in a small room or a corner of a warehouse, and the occupied area is reduced.
Meanwhile, the equipment design pays attention to the characteristics of simple and convenient operation, compact structure, strong durability and the like, has light overall weight and low manufacturing cost, and realizes the economic benefits of low investment and high return. Through the transformation to equipment, not only has promoted and has applied efficiency and quality, has guaranteed 100% centering and does not influence tire dynamic balance, has still fundamentally solved the problem that drops that the pressfitting is unrealized and leads to. In addition, the equipment has the effect and flexibility of production line application, has the advantages of high efficiency, accuracy, compactness, low cost and the like, and is suitable for various application scenes.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (9)
1. The applicator for the tire silence cotton is characterized by comprising a frame, a tire clamping device and a pressing device, wherein the tire clamping device and the pressing device are arranged on the frame;
The tire clamping device comprises a spacing adjusting assembly, a motor, a rotating shaft assembly, a first pressing wheel assembly and a second pressing wheel assembly, wherein the spacing adjusting assembly is connected with the first pressing wheel assembly and the second pressing wheel assembly, the rotating shaft assembly is arranged above the adjusting assembly, and the output end of the motor is connected with the rotating shaft assembly;
The first pinch roller assembly is attached to the first side face of the tire, the second pinch roller assembly is attached to the second side face of the tire, the first side face is parallel to the second side face, the rotating shaft assembly is attached to the third side face of the tire, the third side face is the side face of the tire, which is in contact with the ground, and the first pinch roller assembly, the second pinch roller assembly and the rotating shaft assembly are in coaction to clamp the tire.
2. The applicator for tire silence cotton as defined in claim 1, wherein said first pinch roller assembly includes a first roller frame, a first roller assembly and a second roller assembly, one end of said first roller frame being provided with said first roller assembly and the other end of said first roller frame being provided with said second roller assembly.
3. The applicator for tire silence cotton as defined in claim 2, wherein said second pinch roller assembly includes a second roller frame, a third roller assembly and a fourth roller assembly, said third roller assembly being disposed at one end of said second roller frame and said fourth roller assembly being disposed at the other end of said second roller frame.
4. A tire silence applicator as in claim 3 wherein said first roller assembly includes a first support bar and a roller, said first support bar extending through said roller along an axis of said roller, said second roller assembly, said third roller assembly and said fourth roller assembly being of the same construction as said first roller assembly.
5. A tire silence cotton applicator as in claim 3 wherein said spacing adjustment assembly includes a bi-directional screw disposed parallel to said first and second optical axes and between which said bi-directional screw is located, said first, second and bi-directional screws extending through said first and second roller frames respectively, said bi-directional screw being configured to drive said first and second roller frames in linear motion toward or away from each other in an axial direction of said bi-directional screw.
6. A tire silence cotton applicator as in claim 3 wherein said spindle assembly includes a drive shaft and a driven shaft, said drive shaft and said driven shaft being disposed horizontally parallel, a distance between said drive shaft and said driven shaft being less than a length of said first roller frame, an output of said motor being connected to said drive shaft.
7. A tire silence cotton applicator as in claim 3 wherein said first roller frame and said second roller frame are each of inverted trapezoidal configuration.
8. The applicator for tire silence cotton of claim 1, wherein the pressing device comprises a first linear module, a second linear module, a support and a pinch roller assembly, wherein the first linear module is horizontally arranged, an output end of the first linear module is connected with the second linear module, an output end of the second linear module is connected with the support, and an end of the support is connected with the pinch roller assembly.
9. The applicator for tire silence cotton as defined in claim 8, wherein said pinch roller assembly includes a pinch roller and a pinch roller frame, said pinch roller being disposed in said pinch roller frame, and said pinch roller frame having two ends each extending beyond a locating strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520579919.4U CN223918756U (en) | 2025-03-28 | 2025-03-28 | Applicator for tire silence cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520579919.4U CN223918756U (en) | 2025-03-28 | 2025-03-28 | Applicator for tire silence cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223918756U true CN223918756U (en) | 2026-02-17 |
Family
ID=98758752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520579919.4U Active CN223918756U (en) | 2025-03-28 | 2025-03-28 | Applicator for tire silence cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223918756U (en) |
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2025
- 2025-03-28 CN CN202520579919.4U patent/CN223918756U/en active Active
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