Data splitter anti-winding guide wheel structure

Abstract

The utility model provides data line divider anti -winding guide wheel structure relates to data line divider storage equipment technical field, including support disc one, guide wheel axle body and support disc two, guide wheel axle body is fixed in support disc one side, support disc two is located in guide wheel axle body one side, the surface rotation of guide wheel axle body is connected with guide wheel main part, the side of support disc one is equipped with the through round groove, the inner wall of through round groove is equipped with the through square groove, the inner wall of through round groove is equipped with subassembly groove, the inner wall of subassembly groove is connected with support plate slidingly, support plate one side is fixed with spring, the other end of spring is fixed in the inner wall of subassembly groove, the inner wall of subassembly groove is equipped with limit groove, the inner wall of through round groove is equipped with locking shaft, the one end of locking shaft is fixed with limit block, limit block is located in the inner wall of limit groove, the side of support disc one is fixed with lower dustproof board, lower dustproof board is fixed in support disc two one side, the side of support disc one and support disc two is all equipped with rotation limit hole, the side of support disc one is equipped with upper dustproof board.

Description

Technical Field

[0001] This utility model relates to the technical field of data splitter storage equipment, and in particular to the anti-tangling guide wheel structure for data splitters. Background Technology

[0002] A data splitter is a device used for network communication and data transmission. Its main function is to distribute a single input data signal into multiple output signals, thereby enabling multi-channel data transmission. In practical applications, data splitters are widely used in local area networks, industrial automation systems, and video surveillance. For example, in a video surveillance system, it can distribute camera signals to multiple displays or storage devices, facilitating simultaneous monitoring and data backup. Data splitters typically have various interface types, such as Ethernet interfaces and fiber optic interfaces, to meet the connection needs of different devices and scenarios.

[0003] In existing technologies, a common problem is that the guide roller shaft of a data splitter is not cleaned for a long time. The guide roller shaft is a key component used to guide the orderly transmission of data cables. However, if it is not cleaned for a long time, dust and debris will accumulate on the guide roller shaft, causing the surface of the guide roller shaft to become rough. This increases the friction between the data cable and the guide roller shaft, making the data cable prone to deviation, knotting, or even tangling during transmission. Once the data cable is tangled, it will not only affect the efficiency and stability of data transmission, but may also damage the data cable and increase maintenance costs. In addition, tangled data cables may also hinder the normal operation of other devices and reduce the reliability of the entire system. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an anti-tangling guide wheel structure for data splitters.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a data splitter anti-tangle guide wheel structure, including a support disk one, a guide wheel shaft, and a support disk two. The guide wheel shaft is fixed to one side of the support disk one, and the support disk two is disposed on one side of the guide wheel shaft. A guide wheel body is rotatably connected to the surface of the guide wheel shaft. A through circular groove is opened on one side of the support disk one, and a through square groove is opened on the inner wall of the through circular groove. A component groove is opened on the inner wall of the through circular groove. A support plate is slidably connected to the inner wall of the component groove. A spring is fixed to one side of the support plate, and the other end of the spring is fixed to the inner wall of the component groove. A limit groove is opened on the inner wall of the component groove. A locking shaft is provided on the inner wall of the through circular groove, and a limit block is fixed to one end of the locking shaft. The limit block is disposed on the inner wall of the limit groove.

[0006] Preferably, a lower dustproof plate is fixed to one side of the first support plate, and the lower dustproof plate is fixed to one side of the second support plate. Both the first and second support plates have rotation limiting holes on one side. An upper dustproof plate is provided on one side of the first support plate. A first rotating support shaft is fixed to one side of the upper dustproof plate, and a second rotating support shaft is fixed to one side of the upper dustproof plate. Both the first and second rotating support shafts are located on the inner wall of the rotation limiting holes. A second support platform is fixed to one side of the first support plate, and a first support platform is fixed to the other side of the first support plate. One end of the upper dustproof plate is fixed to the top of the first and second support platforms by a magnetic fixing device. In existing technologies, the lack of a dust cover on data splitters is a significant drawback. Due to this lack of dust protection, dust and debris easily adhere directly to the splitter's guide shaft and data cables. Over time, this dust and debris accumulate on the guide shaft surface, causing it to become rough. This not only increases the friction between the data cable and the guide shaft but also makes the data cable prone to misalignment, knotting, or even tangling during transmission. To address this issue, this invention employs a dust cover structure. The lower dust cover is fixed between support plate one and support plate two, providing basic dust protection. The upper dust cover is installed within a rotation limit hole via rotating support shaft one and rotating support shaft two, allowing for flexible rotation. This allows for easy access for cleaning or maintenance. When in use, the upper dust cover can be easily rotated. It is magnetically secured to the top of support platforms one and two, ensuring a tight fit and effectively preventing dust from entering the guide wheel shaft and data cable area. This effectively blocks dust and debris from directly contacting the guide wheel shaft and data cable, maintaining the smoothness of the guide wheel shaft surface and reducing friction between the data cable and the guide wheel shaft. This not only prevents the data cable from shifting, knotting, and tangling during transmission but also improves data transmission efficiency and stability. Furthermore, the dust cover's protective function extends the equipment's lifespan, reduces maintenance costs, ensures reliable operation of the data splitter in various environments, and enhances the overall system's stability and ease of maintenance.

[0007] Preferably, the magnetic fixing device includes a square groove one and a square groove two, which are located at one end of the upper dustproof plate. An adsorption magnet one is fixed to the inner wall of square groove one, and an adsorption magnet two is fixed to the inner wall of square groove two. Both support platforms one and two are made of metal. In the prior art, the lack of an effective fixing device for the dust cover of the data splitter is a significant deficiency. Typically, the dust cover is fixed to the splitter using simple clips or loose connections. This fixing method is prone to loosening or even falling off due to vibration, collision, or human operation during actual use. Once the dust cover shifts or falls off, dust and debris will directly enter the splitter's interior, adhering to the guide wheel shaft and data cable, causing the guide wheel shaft surface to become rough. To address this problem, this utility model adopts a magnetic fixing device, square groove one... The upper dust cover is secured to the support platform 1 and support platform 2 by embedding magnets 1 and 2 within the square slot 2. When the upper dust cover is placed on the support platform 1 and support platform 2, the magnets and the metal support platform generate a magnetic attraction force, which secures the upper dust cover tightly. This significantly improves the stability of the dust cover. By embedding magnets within the upper dust cover and utilizing the magnetic attraction of the metal support platform, the dust cover can be securely and firmly fixed to the splitter, effectively preventing the dust cover from loosening or falling off due to vibration, collision, or human operation, and ensuring that dust and debris cannot enter the interior of the splitter.

[0008] Preferably, the side of the support plate near the limiting groove is smooth. Designing the side of the support plate near the limiting groove to be smooth can significantly reduce the friction between the support plate and the limiting groove. This design allows the support plate to slide more smoothly in the component groove, enabling fast and stable movements when unlocking or locking the guide wheel body.

[0009] Preferably, the surface of the guide wheel body is coated with a smooth coating. Applying a smooth coating to the surface of the guide wheel body can significantly reduce the friction between the data cable and the guide wheel body. This design makes the data cable run more smoothly during transmission, reducing problems such as offset, knotting, and tangling caused by friction, thereby improving the efficiency and stability of data transmission. The smooth coating can also protect the guide wheel body from the corrosion of dust and debris, extending its service life.

[0010] Preferably, the locking shaft surface has a gripping groove, and the inner wall of the gripping groove has an inclined groove. The gripping groove on the locking shaft surface and the inclined groove on its inner wall significantly improve the convenience and stability of operation. The gripping groove design provides users with better gripping points, making it easier to apply force when disassembling or installing the guide wheel body, and avoiding operational errors caused by slipping.

[0011] Preferably, the surfaces of the first support plate and the second support plate are coated with an anti-static coating. Applying an anti-static coating to the surfaces of the first support plate and the second support plate can effectively reduce the accumulation of static electricity. Static electricity is easily generated in dry environments, especially during frequent friction between the data cable and the guide wheel shaft. Static electricity accumulation may lead to dust adsorption, increasing the roughness of the guide wheel shaft surface, and consequently causing the data cable to shift, knot, and become tangled.

[0012] Beneficial effects:

[0013] 1. In existing technologies, a common problem is that the guide roller shaft of a data splitter is not cleaned for a long time. The guide roller shaft is a key component for guiding the orderly transmission of data cables. However, if it is not cleaned for a long time, dust and debris will accumulate on the guide roller shaft, causing the surface of the guide roller shaft to become rough. This increases the friction between the data cable and the guide roller shaft, making the data cable prone to deviation, knotting, or even tangling during transmission. Once the data cable is tangled, it will not only affect the efficiency and stability of data transmission, but may also damage the data cable, increasing maintenance costs. In addition, tangled data cables may also hinder the normal operation of other devices and reduce the reliability of the entire system. To address these issues, this invention employs a detachable, anti-tangling guide wheel structure, enabling quick disassembly and assembly of the guide wheel body. Users can easily disassemble the guide wheel body periodically for cleaning, removing dust and debris, keeping the guide wheel shaft surface smooth, and reducing friction between the data cable and the guide wheel shaft. This prevents data cable misalignment, knotting, and tangling, which not only improves data transmission efficiency and stability but also reduces the risk of data cable damage and lowers maintenance costs. Furthermore, the neat cable layout avoids obstructing the operation of other devices, enhancing the overall system reliability and significantly improving the user experience and maintenance convenience of the data splitter.

[0014] 2. In existing technologies, the lack of a dust cover on data splitters is a significant drawback. Due to the lack of dust protection, dust and debris can easily adhere directly to the splitter's guide roller shaft and data cables. Over time, this dust and debris accumulate on the surface of the guide roller shaft, causing it to become rough. This not only increases the friction between the data cable and the guide roller shaft but also makes the data cable prone to shifting, knotting, or even tangling during transmission. To address this issue, this invention employs a dust cover structure that effectively prevents dust and debris from directly contacting the guide roller shaft and data cables, maintaining the smoothness of the guide roller shaft surface and reducing friction between the data cable and the guide roller shaft. This not only prevents the data cable from shifting, knotting, and tangling during transmission but also improves the efficiency and stability of data transmission. Furthermore, the protective function of the dust cover extends the service life of the equipment, reduces maintenance costs, ensures reliable operation of the data splitter in various environments, and enhances the stability and ease of maintenance of the entire system.

[0015] 3. In existing technologies, the lack of an effective fixing device for the dust cover of the data splitter is a significant deficiency. Typically, the dust cover is fixed to the splitter using simple clips or loose connections. This method of fixing is prone to loosening or even falling off due to vibration, impact, or human operation. Once the dust cover shifts or falls off, dust and debris will directly enter the splitter's interior, adhering to the guide wheel shaft and data cables, causing the guide wheel shaft surface to become rough. To address this problem, this invention employs a magnetic fixing device, which significantly improves the stability of the dust cover. By embedding an adsorption magnet in the upper dust cover and utilizing the magnetic adsorption effect of the metal support platform, the dust cover can be tightly and securely fixed to the splitter, effectively preventing loosening and falling off due to vibration, impact, or human operation, and ensuring that dust and debris cannot enter the splitter's interior. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is an exploded view of the detachable anti-entanglement structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the detachable anti-tangle structure of this utility model;

[0019] Figure 4 This is an exploded view of the dust cover structure of this utility model;

[0020] Figure 5 This is a three-dimensional structural diagram of the magnetic fixing structure of this utility model.

[0021] Legend:

[0022] 1. Support plate one; 101. Guide wheel shaft; 102. Support plate two; 103. Through circular groove; 104. Through square groove; 105. Component groove; 106. Support plate; 107. Spring; 108. Limiting groove; 109. Locking shaft; 110. Limiting block; 111. Guide wheel body; 2. Lower dustproof plate; 201. Rotation limiting hole; 202. Upper dustproof plate; 203. Rotation support shaft one; 204. Rotation support shaft two; 205. Support platform one; 206. Support platform two; 3. Square groove one; 301. Square groove two; 302. Adsorption magnet one; 303. Adsorption magnet two; 4. Grip groove. Detailed Implementation

[0023] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0024] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Specific implementation examples:

[0026] Reference Figure 1-5The anti-tangling guide wheel structure of the data splitter includes a support disk 1, a guide wheel shaft 101, and a support disk 2 102. The guide wheel shaft 101 is fixed to one side of the support disk 1, and the support disk 2 102 is located on one side of the guide wheel shaft 101. The guide wheel body 111 is rotatably connected to the surface of the guide wheel shaft 101. A through circular groove 103 is opened on one side of the support disk 1, and a through square groove 104 is opened on the inner wall of the through circular groove 103. A component groove 105 is opened on the inner wall of the through circular groove 103. A support plate 106 is slidably connected to the inner wall of the component groove 105. A spring 107 is fixed on one side of the support plate 106, and the other end of the spring 107 is fixed to the inner wall of the component groove 105. A limit groove 108 is opened on the inner wall of the component groove 105. A locking shaft 109 is provided on the inner wall of the through circular groove 103. A limit block 110 is fixed to one end of the locking shaft 109, and the limit block 110 is located on the inner wall of the limit groove 108. In existing technologies, a common problem is that the guide wheel shaft of a data splitter is not cleaned for a long time. The guide wheel shaft is a key component for guiding the orderly transmission of data cables. However, if it is not cleaned for a long time, dust and debris will accumulate on the guide wheel shaft, causing the surface of the guide wheel shaft to become rough. This increases the friction between the data cable and the guide wheel shaft, making the data cable prone to deviation, knotting, or even tangling during transmission. Once the data cable is tangled, it will not only affect the efficiency and stability of data transmission, but may also damage the data cable, increasing maintenance costs. In addition, tangled data cables may also hinder the normal operation of other devices and reduce the reliability of the entire system. To address these issues, this utility model adopts a detachable anti-tangling structure for the guide wheel, with the guide wheel body 11 1. Installed on the guide wheel shaft 101, it can rotate around the shaft. When cleaning is required, by pressing the locking shaft 109, the limiting block 110 is disengaged from the limiting groove 108. At this time, the support plate 106 moves outward under the elastic force of the spring 107, pushing the locking shaft 109 out of the through circular groove 103, thereby unlocking the guide wheel body 111. In this way, the guide wheel body 111 can be easily disassembled for cleaning, avoiding the accumulation of dust and debris that could cause the data cable to become tangled. After cleaning, the guide wheel body 111 is reinstalled on the guide wheel shaft 101. The locking shaft 109 automatically resets and locks under the rebound force of the spring 107, ensuring that the guide wheel body 111 is securely installed and restored to normal use, effectively preventing the data cable from becoming tangled.

[0027] A lower dustproof plate 2 is fixed to one side of a support plate 1, and the lower dustproof plate 2 is fixed to one side of a support plate 2 102. Both support plates 1 and 2 102 have rotation limiting holes 201 on one side. An upper dustproof plate 202 is provided on one side of support plate 1. A rotation support shaft 1 203 is fixed to one side of the upper dustproof plate 202, and a rotation support shaft 204 is fixed to one side of the upper dustproof plate 202. Both rotation support shaft 1 203 and rotation support shaft 204 are located on the inner wall of the rotation limiting hole 201. A support platform 206 is fixed to one side of support plate 1, and a support platform 1 205 is fixed to the other side of support plate 1. One end of the upper dustproof plate 202 is fixed to the top of support platform 1 205 and support platform 206 by a magnetic fixing device. In existing technologies, the lack of a dust cover on data splitters is a significant drawback. Due to the lack of dust protection, dust and debris can easily adhere directly to the guide roller shaft and data cable of the splitter. Over time, this dust and debris accumulate on the surface of the guide roller shaft, causing it to become rough. This not only increases the friction between the data cable and the guide roller shaft but also makes the data cable prone to misalignment, knotting, or even tangling during transmission. To address this issue, this invention employs a dust cover structure. The lower dust cover 2 is fixed between support plate 1 and support plate 2 102, providing basic dust protection. The upper dust cover 202 is installed in the rotation limit hole 201 via rotating support shaft 1 203 and rotating support shaft 204, allowing for flexible rotation. When cleaning or maintenance is required, the upper dust cover 202 can be easily rotated. During use, the upper dust cover 202 is fixed to the top of support platform 1 205 and support platform 2 206 via a magnetic fixing device, ensuring a tight fit and effectively preventing dust from entering the guide roller shaft and data cable area.

[0028] The magnetic fixing device includes a square groove 3 and a square groove 301. The square groove 3 and the square groove 301 are opened at one end of the upper dustproof plate 202. The inner wall of the square groove 3 is fixed with an adsorption magnet 302, and the inner wall of the square groove 301 is fixed with an adsorption magnet 303. The support platform 205 and the support platform 206 are both made of metal. In the existing technology, the lack of an effective fixing device for the dust cover of the data splitter is a significant drawback. Usually, the dust cover is fixed to the splitter by simple clips or loose connections. This fixing method is prone to loosening or even falling off due to vibration, collision, or human operation in actual use. Once the dust cover shifts or falls off, dust and debris will directly enter the splitter and adhere to the guide wheel shaft and data cable, causing the surface of the guide wheel shaft to become rough. To address this problem, this utility model adopts a magnetic fixing device. Square groove 1 3 and square groove 2 301 are respectively embedded with adsorption magnet 1 302 and adsorption magnet 2 303. When the upper dust cover 202 covers the support platform 1 205 and support platform 2 206, the magnets generate magnetic attraction with the metal support platform, tightly fixing the upper dust cover.

[0029] The support plate 106 has a smooth surface on the side near the limiting groove 108. This smooth surface significantly reduces friction between the support plate and the limiting groove, allowing the support plate to slide more smoothly within the component groove 105. This ensures quick and stable operation when unlocking or locking the guide wheel body 111. The guide wheel body 111 has a smooth coating, which significantly reduces friction between the data cable and the guide wheel body. This design makes data cable transmission smoother, reducing issues like offset, knots, and tangles caused by friction, thus improving data transmission efficiency and stability. The smooth coating also protects the guide wheel body from dust and debris, extending its lifespan. To improve service life, the locking shaft 109 has a gripping groove 4 on its surface and an inclined groove on its inner wall. This design significantly improves operational convenience and stability. The gripping groove 4 provides users with a better gripping point, making it easier to apply force when disassembling or installing the guide wheel body 111, avoiding operational errors caused by slippage. The support plates 1 and 2 are coated with an anti-static coating, which effectively reduces the accumulation of static electricity. Static electricity is easily generated in dry environments, especially during frequent friction between the data cable and the guide wheel shaft. Static electricity accumulation can lead to dust adsorption, increasing the roughness of the guide wheel shaft surface, and consequently causing data cable misalignment, knotting, and tangling.

[0030] The working principle of this utility model is as follows: The guide wheel body 111 is installed on the guide wheel shaft 101 and can rotate around the shaft. When cleaning is required, pressing the locking shaft 109 causes the limiting block 110 to disengage from the limiting groove 108. At this time, the support plate 106 moves outward under the elastic force of the spring 107, pushing the locking shaft 109 out of the through-groove 103, thereby unlocking the guide wheel body 111. In this way, the guide wheel body 111 can be easily disassembled for cleaning, avoiding the accumulation of dust and debris that could cause the data cable to become tangled. After cleaning, the guide wheel body 111 is reinstalled on the guide wheel shaft 101. The locking shaft 109 automatically resets and locks under the return force of the spring 107, ensuring that the guide wheel body 111 is securely installed and restored to normal use, effectively preventing the data cable from becoming tangled. (Lower dustproof plate) 2. Fixed between support plate 1 and support plate 2 102, serving as a basic dustproof function. The upper dustproof plate 202 is installed in the rotation limit hole 201 by rotating support shaft 1 203 and rotating support shaft 204, allowing for flexible rotation. When cleaning or maintenance is required, the upper dustproof plate 202 can be easily rotated. In use, the upper dustproof plate 202 is fixed to the top of support platform 1 205 and support platform 2 206 by a magnetic fixing device, ensuring that the dustproof cover fits tightly and effectively prevents dust from entering the guide wheel shaft and data cable area. Square groove 1 3 and square groove 2 301 are respectively embedded with adsorption magnet 1 302 and adsorption magnet 2 303. When the upper dustproof plate 202 covers support platform 1 205 and support platform 2 206, the magnets generate magnetic adsorption force with the metal support platform, tightly fixing the upper dustproof plate.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A data splitter anti-tangle guide wheel structure, comprising a support disk one (1), a guide wheel shaft (101), and a support disk two (102), wherein the guide wheel shaft (101) is fixed to one side of the support disk one (1), the support disk two (102) is disposed on one side of the guide wheel shaft (101), and a guide wheel body (111) is rotatably connected to the surface of the guide wheel shaft (101), characterized in that: The support plate (1) has a through circular groove (103) on one side, a through square groove (104) on the inner wall of the through circular groove (103), a component groove (105) on the inner wall of the through circular groove (103), a support plate (106) is slidably connected to the inner wall of the component groove (105), a spring (107) is fixed on one side of the support plate (106), the other end of the spring (107) is fixed to the inner wall of the component groove (105), a limit groove (108) is opened on the inner wall of the component groove (105), a locking shaft (109) is provided on the inner wall of the through circular groove (103), a limit block (110) is fixed on one end of the locking shaft (109), and the limit block (110) is located on the inner wall of the limit groove (108).

2. The data splitter anti-tangle guide wheel structure according to claim 1, characterized in that: A lower dustproof plate (2) is fixed to one side of the support plate one (1), and the lower dustproof plate (2) is fixed to one side of the support plate two (102). A rotation limiting hole (201) is opened on one side of both the support plate one (1) and the support plate two (102). An upper dustproof plate (202) is provided on one side of the support plate one (1). A rotation support shaft one (203) is fixed on one side of the upper dustproof plate (202). A rotation support shaft two (204) is fixed on one side of the upper dustproof plate (202). Both the rotation support shaft one (203) and the rotation support shaft two (204) are located on the inner wall of the rotation limiting hole (201). A support platform two (206) is fixed on one side of the support plate one (1), and a support platform one (205) is fixed on the other side of the support plate one (1). One end of the upper dustproof plate (202) is fixed to the top of the support platform one (205) and the support platform two (206) by a magnetic fixing device.

3. The data splitter anti-tangling guide wheel structure according to claim 2, characterized in that: The magnetic fixing device includes a square groove one (3) and a square groove two (301). The square groove one (3) and the square groove two (301) are opened at one end of the upper dustproof plate (202). An adsorption magnet one (302) is fixed on the inner wall of the square groove one (3), and an adsorption magnet two (303) is fixed on the inner wall of the square groove two (301). The support platform one (205) and the support platform two (206) are both made of metal.

4. The data splitter anti-tangle guide wheel structure according to claim 1, characterized in that: The side of the support plate (106) near the limiting groove (108) is smooth.

5. The data splitter anti-tangle guide wheel structure according to claim 1, characterized in that: The surface of the guide wheel body (111) is coated with a smooth coating.

6. The data splitter anti-tangle guide wheel structure according to claim 1, characterized in that: The locking shaft (109) has a gripping groove (4) on its surface, and the inner wall of the gripping groove (4) has an inclined groove.

7. The data splitter anti-tangle guide wheel structure according to claim 1, characterized in that: The surfaces of the support disk one (1) and support disk two (102) are coated with an antistatic coating.

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