CN210408254U - Wiper blade - Google Patents

Abstract

The utility model relates to the field of daily necessities, a wiper, including handle bar and water wiping arrangement, the lower tip of handle bar is spacing to articulate on water wiping arrangement, and the axis of pin joint sets up along water wiping arrangement's thickness direction, and the handle bar can be followed the pin joint and rotate as the center, the spacing turned angle of handle bar and water wiping arrangement is X, and X is the acute angle, and the axis of handle bar is α with the water wiping face contained angle that water wiping arrangement bottom is between 0 ~ X all the time, this wiper on the one hand can scrape water easily to some dead angles, on the other hand has also solved wiper normal use and can't laminate ground better, leads to scraping the unclean problem of water.

Description

Wiper blade

Technical Field

The utility model relates to a daily life articles for use field especially relates to a wiper.

Background

In the household cleaning process, a wiper is often used. After a smooth plane (such as glass or ceramic tile) is cleaned, a wiper can be used for quickly wiping and cleaning water marks left after cleaning the smooth plane, and the purpose of effectively cleaning window glass is achieved. The lower end of a handle rod of a traditional wiper is fixedly connected with a wiping device, and the wiper is pushed forwards generally in use, so that labor is saved; but such wipers are often used for window cleaning. With the need to wipe the ground, some improvements have been made to existing wipers. In the chinese utility model patent document with the publication number of "CN 205697520U", a wiper is disclosed, in its scheme go up the hinge with connecting pin cooperation hinge setting is in down on the hinge, down the hinge with the draw-in groove that is provided with the adhesive tape is connected, scrapes water the device simultaneously and in the use, goes up the hinge and can reach the degree down between the hinge, to some dead angles, can scrape water easily and handle, makes things convenient for the workman to use very much. In addition, refer to similar products besoms; in the document with the publication number "CN _ 204654833U", it is disclosed that the lower end of the connecting rod is hinged to the connecting body through the cooperation of the nut and the bolt head, i.e., the bottom end of the connecting rod is rotatably connected to the connecting body, which facilitates the cleaning of dead corners. Also, as disclosed in the document with the publication number "TW 574905U", a rack is provided in the middle of the brush tip to engage with a protrusion on the handle tip, a fixed shaft is provided on the handle tip, and the protrusion on the handle tip is linked with the brush tip to move left and right when the handle tip is tilted laterally. As shown in fig. 2 and 3, the function is to be able to switch between a use state and a storage state by rotation.

Based on the above-mentioned existing wiper structure or a broom structure similar to it, the applicant has found that the solution in which the handle bar is hinged to the wiper device and can rotate through 180 ° has the following disadvantages in use; the user just can make the wiper can't laminate ground well owing to be connected too in a flexible way between handle bar and the water wiping device when adopting the mode of sweeping the floor to scrape water on ground promptly, leads to scraping water unclean.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a wiper, which can easily wipe water at certain dead angles; on the other hand has also solved wiper normal use the ground of can't laminating betterly, leads to scraping water unclean problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wiper comprises a handle rod and a wiping device and is characterized in that the lower end part of the handle rod is hinged to the wiping device in a limiting mode, the axis of the hinged point is arranged in the thickness direction of the wiping device, the handle rod can rotate around the hinged point as a center, the limiting rotation angle of the handle rod and the wiping device is X, the X is an acute angle, and the included angle formed by the axis of the handle rod and the wiping surface at the lowest end of the wiping device is α and is always between 0 degree and X.

Preferably, the wiper device is provided with a blocking part which limits the included angle formed by the axis of the handle rod and the wiping surface at the lowest end of the wiper device to α being less than or equal to X, the blocking part limits the handle rod to rotate in a single direction, namely, the handle rod is not positioned at the position to be completely positioned, but only the included angle α between the handle rod and the wiping surface is limited to be not more than X.

Preferably, the upper end of the wiper device is provided with a hinged seat, the lower end of the handle rod is arranged in the hinged seat and is positioned through a rotating shaft, and the handle rod can rotate around the rotating shaft.

Preferably, the hinge seat comprises two bosses which are arranged oppositely, a hinge groove is formed between the two bosses, and the two bosses are provided with rotating shafts which are opposite in axial direction; the lower tip location of handle pole is in articulated groove, is equipped with shaft hole and pivot looks joint on the lower tip of handle pole. In the above scheme, the rotating shaft in the hinging seat penetrates into the shaft hole of the handle rod, and the handle rod can rotate relative to the hinging seat by taking the connecting point as the shaft center.

Preferably, a tangent plane is arranged at the outer shaft end of the rotating shaft, and the tangent plane faces to the rotating range of the handle rod; the axial thickness of the section from the edge of the rotating shaft to the axis of the rotating shaft is gradually increased; the lower end part of the handle rod is provided with a guide groove, and the depth of the guide groove is gradually reduced from the edge of the lower end part of the handle rod to the shaft hole. In the scheme, the hinge seat is formed by injection molding together with the structure of the wiper device, so that the lower end part of the handle rod can be forcibly pressed into the hinge groove to complete assembly during assembly; based on the assembly mode, the tangent plane is arranged on the rotating shaft, the guide groove is arranged on the handle rod, the lower end part of the handle rod is pressed into the hinge groove from loose to tight in the process of pressing the lower end part of the handle rod into the hinge groove through the matching of the guide groove and the tangent plane, and the rotating shaft can be guided into the shaft hole under the forced action of external force due to the guide effect of the guide groove and the tangent plane, so that the assembly of the hinge point is completed; and the assembling process is from loose to tight, so that the rotating shaft is not easy to separate from the shaft hole after being assembled.

Preferably, the blocking part is a first positioning step surface positioned on the inner side wall of the boss, the first positioning step surface is positioned above the rotating shaft, a positioning table is arranged on the side wall of the lower end part of the handle rod, a second positioning step surface and a third positioning step surface are arranged on the positioning table, when an included angle formed by the axis of the handle rod and the wiping surface at the lowest end of the wiping device is α =0 degrees, the second positioning step surface on the positioning table is abutted against the first positioning step surface on the boss, and when an included angle formed by the axis of the handle rod and the wiping surface at the lowest end of the wiping device is α = X, the third positioning step surface on the positioning table is abutted against the first positioning step surface on the boss.

Preferably, X is in the range of 65 DEG to 75 deg.

Preferably, X is 70 °. Above-mentioned X's selection angle is better inclination, and when the user of being convenient for adopted the state of sweeping the floor to scrape water, the surface of scraping water of scraping the water installation lowermost can all laminate ground.

Preferably, the wiper device includes a housing, and a wiper blade mounted on the housing; the hinged seat is arranged on the upper end face of the shell. The wiper blade is a strain part and is detachably arranged in the shell; is convenient to replace after being damaged.

Preferably, the handle rod comprises a first rod body, a second rod body and a third rod body, the lower end part of the first rod body is sleeved on the upper end part of the second rod body, and the upper end part of the second rod body is provided with a lock sleeve for positioning the first rod body; the lower end part of the second rod body is sleeved at the upper end part of the third rod body, the third rod body is provided with a lock hole, and the second rod body is provided with an elastic column corresponding to the lock hole; the lower end of the third rod body is arranged in the hinge seat. In the scheme, the first rod body and the second rod body realize a telescopic loop bar structure, and the length adjustment of the handle bar can be realized; the third rod body is mainly connected with the hinge seat.

The utility model adopts the above technical scheme, this technical scheme relates to a wiper, the lower tip of handle bar in this wiper is spacing to articulate on wiping water device, and spacing turned angle is X, X is the acute angle, thereby the axis that makes the handle bar and the wiping surface contained angle that the water scraping surface of wiping water device lower extreme becomes α be between 0 ~ X all the time, the handle bar and the wiping device of this wiper can realize the rotation in 0 ~ X on the one hand, can be to some dead angle, can wipe water easily and handle, on the other hand, because under the biggest angle X, the handle bar is the acute angle slope and can't continue to rotate forward, thereby make user's hand application of force when the handle bar, the handle bar offsets with wiping water device is spacing, the wiper can laminate ground better under this condition, it is clean to wipe water.

Drawings

Fig. 1 is a front view schematically illustrating a wiper.

Fig. 2 is a schematic perspective view of a wiper.

Fig. 3 shows a schematic view of the connection of the lower end of the handle lever to the wiper device.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is a schematic view of the arrangement of the angle α =0 ° formed by the axis of the handle lever and the wiping surface of the lowermost end of the wiping device.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The wiper as shown in fig. 1 to 5 comprises a handle rod 1 and a wiper device 2, wherein the lower end part of the handle rod 1 is in limited hinge connection with the wiper device 2, the axis of the hinge point is arranged along the thickness direction of the wiper device 2, the handle rod 1 can rotate around the hinge point, the limited rotation angle between the handle rod 1 and the wiper device 2 is X, and X is an acute angle, the included angle between the axis of the handle rod 1 and the wiping surface at the lowest end of the wiper device 2 is α and is always between 0 and X.

In the figures, the wiper device 2 comprises a housing 21, and a wiper blade 22 mounted on the housing 21. The upper end of the wiper device 2 is provided with a hinge seat 23, and the hinge seat 23 is arranged on the upper end surface of the housing 21. The wiper blade 22 is a strain part and is detachably mounted in the housing 21, so that it is easy to replace the wiper blade after being damaged. The handle rod 1 comprises a first rod body 11, a second rod body 12 and a third rod body 13, the lower end part of the first rod body 11 is sleeved on the upper end part of the second rod body 12, and the upper end part of the second rod body 12 is provided with a lock sleeve 14 for positioning the first rod body 11. The lower end of the second rod body 12 is sleeved on the upper end of the third rod body 13, the third rod body 13 is provided with a lock hole, and the second rod body 12 is provided with an elastic column 15 corresponding to the lock hole. The lower end of the third rod 13 is disposed in the hinge seat 23. In the above scheme, first body of rod 11 has realized flexible loop bar structure with the second body of rod 12, can realize handle bar 1 length adjustment. The third body of rod 13 mainly for being connected with articulated seat 23, the lower tip of handle bar 1 set up in articulated seat 23 in and through the pivot location, handle bar 1 can be followed the pivot and rotated as the center.

The water wiper device 2 is provided with a blocking part which limits the included angle α formed by the axis of the handle rod 1 and the water wiping surface at the lowermost end of the water wiper device 2 to be less than or equal to X, the blocking part limits the handle rod 1 to unidirectionally limit the rotation of the handle rod 1, namely, the handle rod 1 is not positioned at the position and is completely positioned, but only limits the included angle α formed by the handle rod 1 and the water wiping surface to be not more than X, in a specific embodiment, the hinge seat 23 comprises two bosses 24 arranged oppositely, a hinge groove 25 is formed between the two bosses 24, two bosses 24 are provided with rotating shafts 26 axially opposite to each other, the lower end part of the handle rod 1 is positioned in the hinge groove 25, and the lower end part of the handle rod 1 is provided with a shaft hole which is clamped with the rotating shaft 26, in the above scheme, the rotating shaft 26 in the hinge seat 23 penetrates into the shaft hole of the handle rod 1, the connecting point is used as the axis, the handle rod 1 can rotate relative to the hinge seat 23, the blocking part is a first positioning surface 27 on the inner side wall of the first positioning boss 24, a first positioning step 27 is positioned above the rotating shaft 26, a third positioning surface 630 is positioned on the water wiping surface 16, and a third positioning surface 16 is positioned on the side wall 18 of the handle rod 18, and a positioning surface 6317 positioned on the lower end of the handle rod 18, when the wiping surface 35, and a positioning shaft 17, and a positioning surface 16 is positioned on the handle rod 18, and a positioning surface 35, when the wiping surface 35, and a third positioning surface 35 is positioned on the step 35 positioned on the step.

In addition, a tangent plane 261 is arranged on the outer shaft end of the rotating shaft 26, and the tangent plane 261 faces the rotating range of the handle lever 1. The thickness of the cut surface 261 increases gradually from the edge of the rotating shaft 26 to the axis of the rotating shaft 26. The lower end part of the handle rod 1 is provided with a guide groove 19, and the depth of the guide groove 19 becomes shallow gradually from the edge of the lower end part of the handle rod 1 to the shaft hole. In the above-described embodiment, since the hinge base 23 is often formed integrally with the structure of the wiper device 2 by injection molding, the assembly can only be completed by forcibly pressing the lower end portion of the handle lever 1 into the hinge groove 25 during assembly. Based on the above assembly method, the tangent plane 261 is arranged on the rotating shaft 26, the guide groove 19 is arranged on the handle rod 1, the lower end of the handle rod 1 is pressed into the hinge groove 25 from loose to tight through the matching of the guide groove 19 and the tangent plane 261, and the rotating shaft 26 can be guided into the shaft hole 10 under the forced action of external force due to the guide effect of the guide groove 19 and the tangent plane 261, so that the assembly of the hinge point is completed. And the assembling process is from loose to tight, so that the rotating shaft 26 is not easy to separate from the shaft hole after being assembled.

The technical scheme relates to a wiper, wherein the lower end part of a handle rod 1 in the wiper is hinged on a wiper device 2 in a limiting mode, the limiting rotation angle is X, and X is an acute angle, so that an included angle formed by the axis of the handle rod 1 and the wiping surface at the lowest end of the wiper device 2 is α and is always between 0 degree and X.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. A wiper comprises a handle rod (1) and a wiper device (2), and is characterized in that the lower end part of the handle rod (1) is hinged to the wiper device (2) in a limiting mode, the axis of the hinged point is arranged along the thickness direction of the wiper device (2), the handle rod (1) can rotate around the hinged point as a center, the limiting rotation angle of the handle rod (1) and the wiper device (2) is X, the X is an acute angle, and the included angle formed by the axis of the handle rod (1) and the wiper surface at the lowest end of the wiper device (2) is α and is always between 0 degree and X degree.

2. A windscreen wiper as set forth in claim 1, characterized in that said wiping device (2) is provided with a stop which limits the angle formed by the axis of said handle (1) and the wiping surface of the lowermost end of said wiping device (2) to α being less than or equal to X.

3. A wiper as defined in claim 2, wherein: the water scraping device (2) is characterized in that a hinged seat (23) is arranged at the upper end of the water scraping device (2), the lower end of the handle rod (1) is arranged in the hinged seat (23) and is positioned through a rotating shaft (26), and the handle rod (1) can rotate around the rotating shaft (26).

4. A wiper as defined in claim 3, wherein: the hinge seat (23) comprises two bosses (24) which are arranged oppositely, a hinge groove (25) is formed between the two bosses (24), and the two bosses (24) are provided with rotating shafts (26) which are opposite in the axial direction; the lower end of the handle rod (1) is positioned in the hinge groove (25), and the lower end of the handle rod (1) is provided with a shaft hole (10) which is clamped with the rotating shaft (26).

5. The wiper according to claim 4, wherein: a tangent plane (261) is arranged at the outer side shaft end of the rotating shaft (26), and the tangent plane (261) faces the rotating range of the handle rod (1); the axial thickness of the section (261) gradually increases from the edge of the rotating shaft (26) to the axis of the rotating shaft (26); the handle is characterized in that a guide groove (19) is formed in the lower end part of the handle rod (1), and the depth of the guide groove (19) is gradually reduced from the edge of the lower end part of the handle rod (1) to the shaft hole (10).

6. The wiper as claimed in claim 3, wherein the stop is a first positioning step (27) on the inner side wall of the projection (24), the first positioning step (27) is above the shaft (26), the side wall of the lower end of the handle lever (1) is provided with a positioning platform (16), the positioning platform (16) is provided with a second positioning step (17) and a third positioning step (18), the second positioning step (17) on the positioning platform (16) abuts against the first positioning step (27) on the projection (24) when the axis of the handle lever (1) forms an angle α =0 ° with the wiping surface at the lowermost end of the wiping device (2), and the third positioning step (18) on the positioning platform (16) abuts against the first positioning step (27) on the projection (24) when the axis of the handle lever (1) forms an angle α = X with the wiping surface at the lowermost end of the wiping device (2).

7. A wiper as defined in claim 2, wherein: the range of X is 65-75 degrees.

8. A wiper as defined in claim 7, wherein: the X is 70 degrees.

9. A wiper as defined in claim 3, wherein: the wiper device (2) comprises a housing (21), and a wiper blade (22) mounted on the housing (21); the hinge seat (23) is arranged on the upper end face of the shell (21).

10. A wiper as defined in claim 3, wherein: the handle rod (1) comprises a first rod body (11), a second rod body (12) and a third rod body (13), the lower end part of the first rod body (11) is sleeved on the upper end part of the second rod body (12), and the upper end part of the second rod body (12) is provided with a lock sleeve (14) for positioning the first rod body (11); the lower end part of the second rod body (12) is sleeved at the upper end part of the third rod body (13), the third rod body (13) is provided with a lock hole, and the second rod body (12) is provided with an elastic column (15) corresponding to the lock hole; the lower end part of the third rod body (13) is arranged in the hinge seat (23).

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