A wiper structure and a wiper having the same

Abstract

The utility model discloses a kind of accessory structure of squeegee water device and squeegee with it, including handle, head and limit ring, handle is used to install handle, head is used to install cleaning appliance, the rear end of head is installed in the front end of handle by first pivot, limit ring is slidably sleeved in handle, limit ring can be slid to first position or second position, so that when limit ring slides to first position, limit ring inner wall can be simultaneously with the outer wall of handle and the outer wall of head, to make head and handle relative fixed, so that when limit ring slides to second position, limit ring inner wall only with the outer wall of handle, to make head and handle can be relatively rotated, head and handle can be relatively rotated folding, to reduce the volume of squeegee water device, it is convenient for user to store squeegee water device, while it can reduce the cost of squeegee water device in packaging, transportation and storage process.

Description

Technical Field

[0001] This utility model relates to the technical field of window cleaning tools, and in particular to a squeegee accessory structure and a squeegee having the same. Background Technology

[0002] In daily life, glass is often contaminated by various pollutants, which adhere to the glass and make it dirty. It often needs to be cleaned. The cleaning process usually involves spraying a cleaning agent or water to wet the glass surface, so that the pollutants on the glass surface are moistened or dissolved, and then the water or solvent is scraped off. Therefore, the use of a squeegee is essential in glass cleaning operations.

[0003] In the prior art, Chinese invention patent CN113576310A discloses a squeegee for glass exterior walls. Its key features include: a handle and a water reservoir. The handle is installed on the upper end of the water reservoir and communicates with its interior. Two rotating shafts are fixedly installed on the upper end of the handle. A housing is located on the upper left side of the handle. The ends of the two rotating shafts, which are far apart from each other, are elastically hinged to the left side of the housing. The upper end of the handle is connected to the interior of the housing via a flexible hose. Two guide plates are fixedly installed inside the housing. A first scraper is located inside the housing on the left side of the guide plates, and the first scraper is fixedly connected to the inner top wall of the housing. This squeegee for glass exterior walls, by setting up the first scraper, the second scraper, the housing, and the scraper, achieves the effect of collecting wastewater.

[0004] However, existing squeegee structures are relatively fixed, with a large overall size, occupying a lot of space, making them inconvenient to store, and incurring high costs in packaging, transportation, and storage, thus failing to meet user needs. Utility Model Content

[0005] The purpose of this utility model is to provide a squeegee accessory structure and a squeegee having the same, aiming to solve the technical problems of existing squeegees being difficult to fix structurally and inconvenient to store.

[0006] To achieve the above objectives, the present invention provides a scraper accessory structure, comprising:

[0007] A handle for mounting a handle;

[0008] The head is used to mount cleaning tools, and the rear end of the head is mounted to the front end of the handle via a first pivot.

[0009] A limiting ring is slidably fitted onto the handle. The limiting ring can slide to a first position or a second position. When the limiting ring slides to the first position, the inner wall of the limiting ring can simultaneously abut against the outer wall of the handle and the outer wall of the head, so that the head and the handle are relatively fixed. When the limiting ring slides to the second position, the inner wall of the limiting ring abuts only against the outer wall of the handle, so that the head and the handle can rotate relative to each other.

[0010] Furthermore, the front end of the handle is provided with a first through hole in a vertical direction, and the rear end of the head is provided with a second through hole in a vertical direction corresponding to the first through hole. By sequentially inserting the first pivot into the first through hole and the second through hole, the head can rotate around the axis of the first pivot.

[0011] Furthermore, the front end of the handle extends backward to form a insertion groove, and a protruding wall is formed on the upper and / or lower side of the insertion groove. The first through hole is opened on the protruding wall, and the rear end of the head extends backward to form a insertion post. The second through hole is opened on the insertion post, so that when the insertion post is inserted into the insertion groove, the first through hole and the second through hole can be correspondingly set.

[0012] Furthermore, when the limiting ring slides to the first position, the outer peripheral side of the protruding wall and the outer peripheral side of the insertion post smoothly transition, so that the inner wall of the limiting ring can simultaneously abut against the outer wall of the protruding wall and the outer wall of the insertion post.

[0013] Furthermore, the rear side of the insertion slot is a first arc surface structure, and the rear side of the insertion post is a second arc surface structure, with the arc center of the first arc surface structure and the arc center of the second arc surface structure located on the axis of the first pivot.

[0014] Furthermore, a guide structure is provided between the outer peripheral surface of the handle and / or the head and the inner peripheral surface of the limiting ring, so as to guide the limiting ring to slide axially to a first position or a second position through the guide structure.

[0015] Furthermore, the guide structure includes a first guide protrusion, a second guide protrusion, and a guide groove. The first guide protrusion is axially disposed on the outer peripheral side of the handle, and the second guide protrusion is axially disposed on the outer peripheral side of the head. The guide groove is formed on the inner peripheral surface of the limiting ring. The guide groove is correspondingly disposed with the first guide protrusion and the second guide protrusion so that the limiting ring can slide along the first guide protrusion and the second guide protrusion to a first position or a second position.

[0016] Optionally, the cleaning tool is a squeegee structure, and the head includes:

[0017] A first clamping member, the rear end of which is rotatably mounted to the front end of the handle via a first pivot;

[0018] A second clamping member is movably mounted on the first clamping member to form an installation gap between the second clamping member and the first clamping member, and the wiper blade structure is mounted in the installation gap;

[0019] An adjusting member is disposed between the first clamping member and the second clamping member. The adjusting member is capable of releasing and retracting. The releasing adjustment causes the second clamping member to move away from the first clamping member, thereby increasing the installation gap. The retracting adjustment causes the second clamping member to move closer to the first clamping member, thereby decreasing the installation gap.

[0020] Optionally, the cleaning tool is a squeegee structure, and the head includes:

[0021] A first clamping member, the rear end of which is rotatably mounted to the front end of the handle via a first pivot;

[0022] A second pivot is mounted laterally on the first clamping member, and the wiper structure is rotatably mounted on the first clamping member via the second pivot.

[0023] In addition, this application also provides a wiper that includes any of the wiper accessory structures described above.

[0024] As can be seen from the above technical solution, the structure of the squeegee accessory of this utility model has a handle for the user to hold, and a head for the cleaning tool to be installed to achieve a cleaning effect by installing a cleaning scraper on the glass. The head and handle are rotatably connected by a first pivot, and a limiting ring is slidably fitted on the handle. By sliding the limiting ring to the first position, the inner wall of the limiting ring can simultaneously abut against the outer wall of both the handle and the head, so that the head and handle are coaxially arranged to achieve the conventional cleaning function. By sliding the limiting ring to the second position, the inner wall of the limiting ring abuts only against the outer wall of the handle, and the head and handle can rotate and fold relative to each other to reduce the volume of the squeegee, making it convenient for the user to store the squeegee, and at the same time reducing the cost of packaging, transportation and storage of the squeegee.

[0025] To make the technical concept, other objectives, advantages, features and functions of this utility model clearer and easier to understand, preferred embodiments will be specifically described in the following detailed description, along with accompanying drawings. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a perspective view of the limiting ring of the water scraper accessory structure provided in the embodiment of this application in the first position;

[0028] Figure 2 This is a perspective view of the structure of the water scraper accessory provided in the embodiment of this application;

[0029] Figure 3 This is a perspective view of the limiting ring of the water scraper accessory structure provided in the embodiment of this application in the second position;

[0030] Figure 4 This is a perspective view of the head rotation of the squeegee accessory structure provided in the embodiments of this application;

[0031] Figure 5 This is an exploded structural diagram of the water scraper accessory provided in the embodiments of this application;

[0032] Figure 6 This is an exploded view of the structure of the water scraper accessory provided in the embodiments of this application from another perspective;

[0033] Figure 7 This is a perspective view of the structure of a squeegee accessory provided in another embodiment of this application;

[0034] The above figures include the following reference numerals:

[0035] 100, handle; 110, first through hole; 120, insertion groove; 130, protruding wall; 140, first arc surface structure;

[0036] 200. Head; 210. Second through hole; 220. Insertion post; 230. Second arc surface structure; 240. First clamping member; 250. Second clamping member; 260. Installation gap; 270. Adjustment member;

[0037] 300, Limiting ring;

[0038] 410. Wiper strip structure; 420. Wiper blade structure;

[0039] 510. First guide protrusion; 520. Second guide protrusion; 530. Guide groove. Detailed Implementation

[0040] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] It should be noted that, as Figure 1 The figures illustrate reference datums for embodiments of this application, provided only for the purpose of facilitating and simplifying the description of this application. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this application.

[0042] Please refer to the following: Figures 1 to 7 This embodiment provides a squeegee accessory structure, including a handle 100, a head 200, and a limiting ring 300. The handle 100 is used to install a handle, and the head 200 is used to install a cleaning tool. The rear end of the head 200 is mounted to the front end of the handle 100 via a first pivot. The limiting ring 300 is slidably sleeved on the handle 100. The limiting ring 300 can slide to a first position or a second position. When the limiting ring 300 slides to the first position, the inner wall of the limiting ring 300 can simultaneously abut against the outer wall of the handle 100 and the outer wall of the head 200, so that the head 200 and the handle 100 are relatively fixed. When the limiting ring 300 slides to the second position, the inner wall of the limiting ring 300 abuts only against the outer wall of the handle 100, so that the head 200 and the handle 100 can rotate relative to each other.

[0043] As can be seen, in this embodiment of the squeegee accessory structure, the handle 100 is used to install a handle for the user to hold, and the head 200 is used to install cleaning tools to achieve a cleaning effect by installing a cleaning squeegee on the glass. The head 200 and the handle 100 are rotatably connected by a first pivot, and the handle 100 is slidably fitted with a limiting ring 300. By sliding the limiting ring 300 to a first position, the inner wall of the limiting ring 300 can simultaneously abut against the outer wall of both the handle 100 and the outer wall of the head 200, so that the head 200 and the handle 100 are coaxially arranged to achieve the conventional cleaning function. By sliding the limiting ring 300 to a second position, the inner wall of the limiting ring 300 abuts only against the outer wall of the handle 100, and the head 200 and the handle 100 can rotate and fold relative to each other to reduce the volume of the squeegee, making it convenient for the user to store the squeegee, and at the same time reducing the cost of packaging, transportation and storage of the squeegee.

[0044] The handle and the first pivot are not shown in the figure, but should not be construed as limitations of this application. In this embodiment, the handle 100 is hollow and the rear end of the handle 100 is open. The handle is embedded in the interior of the handle 100 through the first opening. A threaded hole is provided through the side wall of the handle 100. The handle is fixed by inserting a bolt through the threaded hole and screwing it into the handle. In one possible implementation, the handle 100 is hollow and the rear end of the handle 100 is open. The inner wall of the handle 100 is provided with an internal thread extending spirally, and the outer surface of one end of the handle is provided with an external thread extending spirally. The handle is installed on the handle 100 by screwing the handle into the handle from the open side. In other possible implementations, the handle can be installed on the handle 100 by gluing or welding.

[0045] It should be noted that there is a certain amount of damping between the limiting ring 300 and the head 200, and between the limiting ring 300 and the handle 100. This is achieved by increasing the roughness of the contact surface. The limiting ring 300 will not slide arbitrarily unless the user directly and manually moves it.

[0046] Furthermore, the front end of the handle 100 is provided with a first through hole 110 extending vertically, and the rear end of the head 200 is provided with a second through hole 210 corresponding to the first through hole 110 extending vertically. By sequentially inserting the first pivot into the first through hole 110 and the second through hole 210, the head 200 can rotate around the axis of the first pivot.

[0047] The first pivot is set vertically, and the head 200 can rotate around the axis of the first pivot. The head 200, which is equipped with cleaning tools, can rotate and adjust its angle in the horizontal plane to achieve a rotating and folding effect. This setting can reduce the length of the squeegee, reduce the space occupied by the squeegee in the length direction, achieve a better storage effect, and reduce the cost of squeegee packaging, transportation and storage.

[0048] Furthermore, please refer to the following: Figures 1 to 7 The front end of the handle 100 extends backward to form a insertion groove 120, and protruding walls 130 are formed on the upper and lower sides of the insertion groove 120. A first through hole 110 is formed on the protruding wall 130. The rear end of the head 200 protrudes backward to form a insertion post 220. A second through hole 210 is formed on the insertion post 220, so that when the insertion post 220 is inserted into the insertion groove 120, the first through hole 110 and the second through hole 210 can be correspondingly set. When the limiting ring 300 slides to the first position, the outer peripheral side of the protruding wall 130 and the outer peripheral side of the insertion post 220 smoothly transition, so that the inner wall of the limiting ring 300 can simultaneously abut against the outer wall of the protruding wall 130 and the outer wall of the insertion post 220.

[0049] When the plug pin 220 is inserted into the plug groove 120, the groove wall of the plug groove 120 and the cylindrical surface of the plug pin 220 fit together, and the first through hole 110 and the second through hole 210 are automatically aligned. No additional positioning steps are required. The worker only needs to align the plug pin 220 with the plug groove 120 and insert it to complete the pre-positioning of the pivot hole, reducing assembly time. The outer peripheral side of the protruding wall 130 and the outer peripheral side of the plug pin 220 smoothly transition to form a cylindrical arc surface. When the limiting ring 300 is in the second position, the plug pin 220 can rotate in the plug groove 120. When the limiting ring 300 is in the first position, the outer surface of the protruding wall 130 and the outer surface of the plug pin 220 abut against each other, and the plug pin 220 cannot rotate in the plug groove 120.

[0050] Preferably, please refer to the following: Figures 1 to 7 The rear side of the insertion slot 120 is a first arc surface structure 140, and the rear side of the insertion post 220 is a second arc surface structure 230. The arc center of the first arc surface structure 140 and the arc center of the second arc surface structure 230 are on the axis of the first pivot.

[0051] In this design, the centers of the first arc-shaped surface structure 140 and the second arc-shaped surface structure 230 are both located on the axis of the first pivot, ensuring that the arc surfaces of the insertion post 220 and the insertion slot 120 remain concentrically aligned when the head 200 rotates around the first pivot. This design avoids jamming caused by structural interference during rotation, making the head 200 rotate more smoothly and improving operational flexibility. Furthermore, the concentric design of the first arc-shaped surface structure 140 and the second arc-shaped surface structure 230 allows the insertion post 220 to form continuous surface contact within the insertion slot 120, rather than point or line contact. When the head 200 rotates, the gaps between the arc surfaces are evenly filled, reducing the wobble between the handle 100 and the head 200 and ensuring stability during rotation and folding.

[0052] In this embodiment, please refer to the following: Figures 1 to 7 A guide structure is provided between the outer peripheral surface of the handle 100 and the head 200 and the inner peripheral surface of the limiting ring 300, so as to guide the limiting ring 300 to slide axially to the first position or the second position.

[0053] Preferably, the guide structure includes a first guide protrusion 510, a second guide protrusion 520, and a guide groove 530. The first guide protrusion 510 is axially disposed on the outer peripheral side of the handle 100, and the second guide protrusion 520 is axially disposed on the outer peripheral side of the head 200. The guide groove 530 is formed on the inner peripheral surface of the limiting ring 300. The guide groove 530 is correspondingly disposed with the first guide protrusion 510 and the second guide protrusion 520 so that the limiting ring 300 can slide along the first guide protrusion 510 and the second guide protrusion 520 to a first position or a second position. This arrangement allows the limiting ring 300 to slide axially, preventing it from shifting or rotating during the sliding process, and ensuring that the limiting ring 300 can accurately reach the first position or the second position.

[0054] In this embodiment, please refer to the following: Figures 1 to 6 The cleaning tool is a squeegee structure 410. The head 200 includes a first clamping member 240, a second clamping member 250, and an adjusting member 270. The rear end of the first clamping member 240 is rotatably mounted to the front end of the handle 100 via a first pivot. The second clamping member 250 is movably mounted on the first clamping member 240 to form an installation gap 260 between the second clamping member 250 and the first clamping member 240. The squeegee structure 410 is installed in the installation gap 260. The adjusting member 270 is disposed between the first clamping member 240 and the second clamping member 250. The adjusting member 270 can be released and retracted for adjustment. By releasing the adjustment, the second clamping member 250 moves away from the first clamping member 240, thereby increasing the installation gap 260. By retracting the adjustment, the second clamping member 250 moves closer to the first clamping member 240, thereby decreasing the installation gap 260.

[0055] By releasing the adjusting component 270, the second clamping component 250 is moved away from the first clamping component 240, increasing the installation gap 260. This allows the wiper blade structure 410 to be easily inserted or removed. This design also accommodates wiper blade structures 410 of different thicknesses, enhancing tool versatility. The wiper blade structure 410 can be made of rubber or silicone. The adjusting component 270 includes a screw and a knob. The screw passes through the first clamping component 240 from one side of the second clamping component 250. The knob has a threaded hole and is threaded onto the screw. The knob abuts against the first clamping component 240. By rotating the knob, it can be moved on the screw to adjust the size of the installation gap 260. This adjusting component 270 has a simple structure and enables rapid assembly of the wiper blade structure 410.

[0056] In other embodiments, such as Figure 7As shown, the cleaning tool is a squeegee structure 420. The head 200 includes a first clamping member 240 and a second pivot. The rear end of the first clamping member 240 is rotatably mounted to the front end of the handle 100 via the first pivot. The second pivot is mounted laterally on the first clamping member 240. The squeegee structure 420 is rotatably mounted on the first clamping member 240 via the second pivot.

[0057] The second pivot is set horizontally, allowing the cleaning tool to rotate and swing up and down in the vertical plane around the second pivot, adapting to the vertical curvature of the cleaning surface, ensuring that it always maintains a vertical fit with any curved surface, resulting in high cleaning coverage and good cleaning effect.

[0058] Furthermore, this application also provides a wiper that includes any of the wiper accessory structures described above. This wiper utilizes the ability to rotate and fold relative to the head 200 and the handle 100 to reduce the size of the wiper, making it convenient for users to store, and simultaneously reducing costs associated with packaging, transportation, and storage.

[0059] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0060] The handle 100 is used to mount a handle for the user to hold, and the head 200 is used to mount cleaning tools to achieve a cleaning effect on glass by mounting a cleaning squeegee. The head 200 and the handle 100 are rotatably connected by a first pivot, and the handle 100 is slidably fitted with a limiting ring 300. By sliding the limiting ring 300 to a first position, the inner wall of the limiting ring 300 can simultaneously abut against the outer wall of both the handle 100 and the outer wall of the head 200, so that the head 200 and the handle 100 are coaxially arranged to achieve the conventional cleaning function. By sliding the limiting ring 300 to a second position, the inner wall of the limiting ring 300 abuts only against the outer wall of the handle 100, and the head 200 and the handle 100 can rotate and fold relative to each other to reduce the size of the squeegee, making it convenient for the user to store the squeegee, and also reducing the cost of packaging, transportation and storage of the squeegee.

[0061] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0062] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0063] It should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "set, connect, link, install" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, abutting connections, or integral connections. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0064] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "lateral, longitudinal, vertical, horizontal" and "top, bottom" are generally based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; in addition, the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0065] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0066] In this specification, the terms "longitudinal," "lateral," "top," "bottom," "inner," "outer," "central," "axial," "radial," and "circumferential," etc., are intended only to facilitate the description of this application and simplify the description based on the directional or positional relationships shown in the accompanying drawings, and are not intended to indicate or imply that the device or element involved must have a specific orientation. The device is constructed and operates in a specific orientation and therefore should not be construed as a limitation of this application.

[0067] Furthermore, it should be noted that in the description of this utility model, the use of terms such as "first" and "second" to define the components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0068] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A structure for a water scraper accessory, characterized in that, include: A handle (100) for mounting a handle; A head (200) for mounting cleaning tools, the rear end of the head (200) being mounted to the front end of the handle (100) via a first pivot; A limiting ring (300) is slidably sleeved on the handle (100). The limiting ring (300) can slide to a first position or a second position. When the limiting ring (300) slides to the first position, the inner wall of the limiting ring (300) can simultaneously abut against the outer wall of the handle (100) and the outer wall of the head (200), so that the head (200) and the handle (100) are relatively fixed. When the limiting ring (300) slides to the second position, the inner wall of the limiting ring (300) abuts only against the outer wall of the handle (100), so that the head (200) and the handle (100) can rotate relative to each other.

2. The structure of the water scraper accessory according to claim 1, characterized in that, The front end of the handle (100) is provided with a first through hole (110) extending vertically, and the rear end of the head (200) is provided with a second through hole (210) corresponding to the first through hole (110). By sequentially inserting the first pivot into the first through hole (110) and the second through hole (210), the head (200) can rotate around the axis of the first pivot.

3. The structure of the water scraper accessory according to claim 2, characterized in that, The front end of the handle (100) extends backward to form a insertion groove (120), and a protruding wall (130) is formed on the upper and / or lower side of the insertion groove (120). The first through hole (110) is opened on the protruding wall (130). The rear end of the head (200) extends backward to form a insertion post (220). The second through hole (210) is opened on the insertion post (220), so that when the insertion post (220) is inserted into the insertion groove (120), the first through hole (110) and the second through hole (210) can be correspondingly set.

4. The structure of the water scraper accessory according to claim 3, characterized in that, When the limiting ring (300) slides to the first position, the outer peripheral side of the protruding wall (130) and the outer peripheral side of the plug (220) smoothly transition, so that the inner wall of the limiting ring (300) can simultaneously abut against the outer wall of the protruding wall (130) and the outer wall of the plug (220).

5. The structure of the water scraper accessory according to claim 3, characterized in that, The rear side of the insertion slot (120) is a first arc surface structure (140), and the rear side of the insertion post (220) is a second arc surface structure (230). The arc center of the first arc surface structure (140) and the arc center of the second arc surface structure (230) are on the axis of the first pivot.

6. The structure of the water scraper accessory according to any one of claims 1 to 5, characterized in that, A guide structure is provided between the outer peripheral surface of the handle (100) and / or the head (200) and the inner peripheral surface of the limiting ring (300) to guide the limiting ring (300) to slide axially to a first position or a second position.

7. The structure of the water scraper accessory according to claim 6, characterized in that, The guide structure includes a first guide protrusion (510), a second guide protrusion (520), and a guide groove (530). The first guide protrusion (510) is axially disposed on the outer peripheral side of the handle (100), and the second guide protrusion (520) is axially disposed on the outer peripheral side of the head (200). The guide groove (530) is formed on the inner peripheral surface of the limiting ring (300). The guide groove (530) is correspondingly disposed with the first guide protrusion (510) and the second guide protrusion (520) so that the limiting ring (300) can slide along the first guide protrusion (510) and the second guide protrusion (520) to a first position or a second position.

8. The structure of the water scraper accessory according to any one of claims 1 to 5, characterized in that, The cleaning tool is a squeegee structure (410), and the head (200) includes: A first clamping member (240) is rotatably mounted to the front end of the handle (100) via a first pivot. A second clamping member (250) is movably mounted on the first clamping member (240) to form an installation gap (260) between the second clamping member (250) and the first clamping member (240), and the wiper blade structure (410) is mounted in the installation gap (260). An adjusting member (270) is disposed between the first clamping member (240) and the second clamping member (250). The adjusting member (270) is capable of releasing and retracting adjustment. By releasing the adjustment, the second clamping member (250) moves away from the first clamping member (240), thereby increasing the installation gap (260). By retracting the adjustment, the second clamping member (250) moves closer to the first clamping member (240), thereby decreasing the installation gap (260).

9. The structure of the water scraper accessory according to any one of claims 1 to 5, characterized in that, The cleaning tool is a squeegee structure (420), and the head (200) includes: A first clamping member (240) is rotatably mounted to the front end of the handle (100) via a first pivot. The second pivot is mounted laterally on the first clamp (240), and the wiper structure (420) is rotatably mounted on the first clamp (240) via the second pivot.

10. A wiper, characterized in that, The wiper fitting structure includes any one of claims 1 to 5.

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