Cleaning tool

Abstract

The utility model discloses a cleaning tool. The cleaning tool comprises a connecting rod; the cleaning head is rotationally connected to one end of the connecting rod; the positioning elastic piece is arranged on the cleaning head or the connecting rod and has the capacity of elastic deformation in the first direction, and the first direction is the axial direction of relative rotation of the cleaning head and the connecting rod; the positioning block is arranged on the connecting rod or the cleaning head and abuts against the positioning elastic piece; the positioning elastic piece comprises a positioning groove, and when the positioning block is located in the positioning groove, the connecting rod and the cleaning head have a fixed state in which the connecting rod and the cleaning head cannot rotate freely and relatively; when the positioning block is separated from the positioning groove, the positioning block presses the positioning elastic piece, so that the positioning elastic piece deforms in the first direction, and then the connecting rod and the cleaning head have a movable state capable of freely and relatively rotating. The connecting rod and the cleaning head are positioned through the positioning block and the positioning groove in the positioning elastic piece, so that positioning of the cleaning head of the cleaning tool is achieved in the mode that the structure is simple, and reliability is high.

Description

Technical Field

[0001] This application belongs to the technical field of cleaning tools, and particularly relates to a rotation and orientation structure of a cleaning tool. Background Art

[0002] In daily life, household cleaning tools are generally held by users at the handle of the cleaning tool, and then the cleaning head is operated. When using the cleaning head to operate some specific positions or when the cleaning head needs to be cleaned, the handle and the cleaning head need to be kept at a certain angle. Chinese Patent No. 201921091978.8 discloses a new type of extrusion flat mop cleaning tool, which positions the flat mop head and the mop rod by a metal elastic sheet provided on the mop rod and a connector on the flat mop head to squeeze and clean the flat mop head. However, the metal elastic sheet of this structure needs to have a certain length. Although it meets the requirement of elastic deformation, after being used frequently for many times, this relatively long metal elastic sheet is likely to lose a certain amount of elasticity, causing its positioning function to fail. In addition, the disadvantage of this structure is that the metal elastic sheet is installed in the installation cavity on the mop rod, and it is difficult to fix internally and inconvenient to assemble. Utility Model Content

[0003] This application aims to solve, to a certain extent, the problems of unreliable positioning structure and inconvenient assembly between the connecting rod and the cleaning head of the cleaning tool in the existing design, and provides a cleaning tool with stable use and convenient assembly of the connecting rod and the cleaning head positioning device. For this purpose, the present utility model provides a cleaning tool, including:

[0004] A connecting rod;

[0005] A cleaning head, rotatably connected to one end of the connecting rod;

[0006] A positioning elastic sheet, provided on the cleaning head or the connecting rod, having the ability to elastically deform along a first direction, and the first direction is the axial direction of relative rotation between the cleaning head and the connecting rod;

[0007] A positioning block, provided on the connecting rod or the cleaning head, and abutted against the positioning elastic sheet;

[0008] The positioning elastic sheet includes a positioning groove. When the positioning block is located in the positioning groove, the connecting rod and the cleaning head have a fixed state where they cannot freely rotate relative to each other; when the positioning block disengages from the positioning groove, the positioning block presses the positioning elastic sheet, causing the positioning elastic sheet to deform along the first direction, and further causing the connecting rod and the cleaning head to have a movable state where they can freely rotate relative to each other.

[0009] In some embodiments, the positioning groove includes a guiding section and a positioning section arranged circumferentially along the relative rotation of the connecting rod and the cleaning head. The depth of the guiding section relative to the surface of the positioning elastic piece is less than the depth of the positioning section relative to the surface of the positioning elastic piece. When the connecting rod and the cleaning head enter or exit the fixed state, the positioning block enters or exits the positioning section along the guiding section.

[0010] In some embodiments, the guiding section extends circumferentially along the relative rotation of the connecting rod and the cleaning head, and in the direction away from the positioning section, the depth of the guiding section relative to the surface of the positioning elastic piece gradually becomes shallower.

[0011] In some embodiments, a connecting portion is provided on the cleaning head or the connecting rod. The lower end of the connecting rod has two clamping portions. The connecting portion is clamped between the two clamping portions and is hinged to the two clamping portions, so that the connecting rod and the cleaning head form a rotational connection.

[0012] In some embodiments, the positioning elastic piece and the positioning block are arranged between the clamping portion and the connecting portion.

[0013] In some embodiments, the positioning elastic piece is fixedly connected to the connecting portion and protrudes outward from the connecting portion along the first direction. The positioning block is formed as a protrusion on the clamping portion facing the connecting portion;

[0014] Or the positioning elastic piece is fixedly connected to the clamping portion and protrudes toward the connecting portion along the first direction. The positioning block is formed as a protrusion on the connecting portion facing the connecting portion.

[0015] In some embodiments, both the positioning elastic piece and the positioning block include two. The two positioning elastic pieces are respectively arranged on both sides of the connecting portion, and the two positioning blocks are also respectively arranged on both sides of the connecting portion and are in corresponding positions with the two positioning elastic pieces.

[0016] In some embodiments, when the positioning elastic piece is arranged on the cleaning head or the connecting rod, at least one anti-rotation structure is provided between the cleaning head or the connecting rod and the positioning elastic piece. When the cleaning head and the connecting rod rotate relative to each other, the anti-rotation structure restricts the rotation of the positioning elastic piece relative to the cleaning head or the connecting rod.

[0017] In some embodiments, the anti-rotation structure includes a protrusion provided on the cleaning head or the connecting rod and a recess provided on the positioning elastic piece. When the positioning elastic piece is arranged on the cleaning head or the connecting rod, the protrusion snaps into the recess.

[0018] In some embodiments, there are three anti-rotation structures, which are arranged circumferentially along the relative rotation direction of the connecting rod and the cleaning head.

[0019] In some embodiments, the concave portion is formed as a groove on the edge of the positioning elastic piece.

[0020] In some embodiments, the positioning elastic piece is sleeved on the rotating shaft of the relative rotation between the connecting rod and the cleaning head.

[0021] For the cleaning tool of the present application, the positioning between the connecting rod and the cleaning head is achieved through the positioning block and the positioning groove on the positioning elastic piece. The positioning elastic piece deforms along the direction of the rotating shaft of the relative rotation between the connecting rod and the cleaning head. The positioning groove is arranged on the positioning elastic piece. The positioning block can enter or disengage from the positioning groove. The elastic deformation amplitude of the positioning elastic piece is small, and it still has strong anti-fatigue ability after multiple uses, improving the reliability of the positioning structure; by arranging the positioning elastic piece at the connecting head, it only needs to sleeve the positioning elastic piece on the rotating shaft of the relative rotation between the connecting rod and the cleaning head, and the assembly is simple. At the same time, by arranging the positioning elastic pieces on both sides of the connecting head, even if one side of the positioning elastic piece fails, the positioning elastic piece on the other side can still achieve the positioning effect, further improving the reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 Shows an overall schematic diagram of the cleaning tool disclosed in the present application;

[0024] Figure 2 Shows an exploded schematic diagram of the cleaning tool disclosed in the present application;

[0025] Figure 3 Shows a schematic diagram of the connecting rod disclosed in the present application;

[0026] Figure 4 Shows a schematic diagram of the cleaning head disclosed in the present application;

[0027] Figure 5 Shows a schematic diagram of the positioning elastic piece disclosed in the present application.

[0028] Reference Signs:

[0029] 1. Connecting rod; 11. Clamping portion;

[0030] 2. Cleaning head; 21. Connecting portion; 22. Protrusion

[0031] 3. Positioning elastic piece; 31. Positioning groove; 311. Introduction section; 312. Positioning section; 32. Concave part;

[0032] 4. Positioning block. Specific implementation manner

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0034] It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If this specific posture changes, the directional indication will also change accordingly.

[0035] In the present invention, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] Next, the present application will be described in conjunction with the accompanying drawings and with reference to specific embodiments:

[0038] Embodiment 1:

[0039] As Figures 1-5The present application discloses a cleaning tool, comprising a connecting rod 1, a cleaning head 2, a positioning spring piece 3 and a positioning block 4, wherein the connecting rod 1 and the cleaning head 2 are rotatably connected, the positioning spring piece 3 is arranged on the cleaning head 2, and the positioning block 4 is arranged on the connecting rod 1 and abuts against the positioning spring piece 3.

[0040] Among them, the positioning spring piece 3 has a certain deformation ability, and the deformation direction is along the axis direction of the rotation connection between the connecting rod 1 and the cleaning head 2. The positioning spring piece 3 also includes a positioning groove 31. When the positioning block 4 is located in the positioning groove 31, the connecting rod 1 and the cleaning head 2 are limited by the positioning groove 31 on the positioning block 4, so that the connecting rod 1 and the cleaning head 2 cannot rotate freely without the action of external force; when the external force drives the connecting rod 1 and the cleaning head 2 to rotate relative to each other, so that the positioning block 4 is disengaged from the positioning groove, the positioning block 4 presses on the positioning spring piece 3, causing it to elastically deform, and then the positioning spring piece 3 forms a certain degree of concession for the positioning block 4, so that the connecting rod 1 and the cleaning head 2 can also rotate relative to each other without external force or with very little external force. This positioning method forms positioning and release of positioning through the elastic deformation of the positioning spring piece 3. The deformation amplitude of the positioning spring piece 3 is small, and the fatigue caused by repeated deformation of its material can be greatly reduced, thereby improving the reliability of the product.

[0041] In some embodiments, since the positioning groove 31 has a certain depth relative to the surface of the positioning spring piece 3, in order to prevent the positioning block 4 from suddenly entering the positioning groove 31 or having difficulty in coming out of the positioning groove 31 when the connecting rod 1 and the cleaning head 2 rotate relative to each other, the positioning groove 31 includes an introduction section 311 and a positioning section 312. The introduction section 311 and the positioning section 312 are arranged along the axial direction of the relative rotation of the connecting rod 1 and the cleaning head 2, and the depth of the introduction section 311 relative to the surface of the positioning spring piece 3 is less than the depth of the positioning section 312 relative to the surface of the positioning spring piece 3. When the connecting rod 1 and the cleaning head 2 rotate relative to each other, the positioning block 4 can first slide into the introduction section 311 and then into the positioning section 312, so that the positioning block 4 will not suddenly enter the positioning section 312, thereby forming a slowly changing process of the positioning of the connecting rod 1 and the cleaning head 2, which can improve the user experience. On the contrary, when the positioning block 4 is released from the positioning groove 31, it first slides from the positioning section 312 into the introduction section 311, and then slides out of the positioning groove 31 and is lower than the surface of the positioning spring 3, which can reduce the resistance of the user to release the positioning state of the connecting rod 1 and the cleaning head 2.

[0042] Specifically, in order to further prevent the positioning block 4 from suddenly entering the positioning groove 31 or being difficult to escape from the positioning groove 31 when the connecting rod 1 and the cleaning head 2 rotate relative to each other, the positioning section 311 has a certain length and extends along the circumferential direction of the relative rotation of the connecting rod 1 and the cleaning head 2. In the direction away from the positioning section 311, the depth of the introduction section 311 relative to the surface of the positioning spring piece 3 gradually becomes shallower, so that the positioning and release process of the connecting rod 1 and the cleaning head 2 is smoother.

[0043] In some embodiments, a connecting portion 21 is provided on the cleaning head 2. One end of the connecting rod 1 has two clamping portions 11. The connecting portion 21 is clamped and hinged between the two clamping portions 11, so that the connecting rod 1 is rotatably connected to the cleaning head 2. The positioning elastic piece 3 and the positioning block 4 are arranged between the clamping portion 11 and the connecting portion 21. When the connecting portion 21 and the clamping portion 11 are hinged, on the one hand, the hinge axis can form a rotation center, and generally the hinge axis has the ability to axially limit the connecting portion 21 and the clamping portion 11. Therefore, the positioning elastic piece 3 and the positioning block 4 are arranged between the clamping portion 11 and the connecting portion 21. Through the axial limit of the hinge axis, the positioning block 4 can always press on the positioning elastic piece 3. Furthermore, when the connecting rod 1 rotates relative to the cleaning head 2, the positioning block 4 can drive the deformation of the positioning elastic piece 3.

[0044] Furthermore, the positioning elastic piece 3 is fixed on the connecting portion 21 and protrudes outward from the connecting portion 21 along the direction of the hinge axis. The positioning block 4 is formed as a protrusion on the clamping portion 11 facing the connecting portion 21. When the positioning block 4 leaves the positioning groove 31 and presses on the positioning elastic piece 3, due to the axial limit of the position of the positioning block 4 by the hinge axis, the positioning block 4 can press the positioning elastic piece 3 to deform, and then make way for the positioning block 4, so that the relative rotation resistance between the connecting rod 1 and the cleaning head 2 disappears or is extremely small.

[0045] In some embodiments, both the positioning elastic piece 3 and the positioning block 4 include two. Each positioning elastic piece 3 cooperates with one positioning block 4. The two groups of cooperation are respectively arranged on both sides of the connecting portion 21, that is, the two positioning elastic pieces 3 are respectively arranged on both sides of the connecting portion 21, and the two positioning blocks 4 are respectively located on one clamping portion 11, facing the connecting portion 21 and respectively pressing on the positioning elastic piece 3 on the corresponding side.

[0046] In some embodiments, when the positioning elastic piece 3 is arranged on the cleaning head 2, a rotation stopping structure is provided between the positioning elastic piece 3 and the cleaning head 2. Although in actual product production, the friction force between the positioning elastic piece 3 and the positioning block 4 needs to be extremely small to reduce the rotation resistance between the connecting rod 1 and the cleaning head 2, since the positioning block 4 presses tightly on the positioning elastic piece 3, the friction resistance between the two is still relatively large. In order to prevent the positioning block 4 from driving the positioning elastic piece 3 to rotate when the connecting rod 1 rotates, a rotation stopping structure between the positioning elastic piece 3 and the cleaning head 2 is required to limit the rotation of the positioning elastic piece 3.

[0047] Specifically, the rotation stopping structure includes a protrusion 22 provided on the cleaning head 2 and a recess 32 provided on the positioning elastic piece 3. The two cooperate along the rotation axis of the connecting rod 1 and the cleaning head 2. The protrusion 22 is inserted into the recess 32. When the positioning elastic piece 3 has a tendency to rotate relative to the cleaning head 2, the protrusion 22 abuts against the side surface of the recess 32 to form a limit on the rotation of the positioning elastic piece 3.

[0048] Further, there are three anti-rotation structures, which are arranged circumferentially along the rotation of the connecting rod 1 and the cleaning head 2. That is, when the positioning elastic piece 3 has a tendency to rotate relative to the cleaning head 2, the three anti-rotation structures make the resistance of the positioning elastic piece 3 by the protrusion 22 evenly distributed in the circumferential direction of the rotation of the positioning elastic piece 3, which can avoid abnormal deformation of the positioning elastic piece 3 and make the anti-rotation more stable.

[0049] In addition, for the convenience of manufacturing the positioning elastic piece 3, the concave portion 32 is formed as a groove on the edge of the positioning elastic piece 3. At this time, the positioning elastic piece 3 is preferably circular, and the concave portion 32 can be directly machined during the forming process of the positioning elastic piece 3. For example, when using a cutting process to form the positioning elastic piece 3, the position of the concave portion 32 is directly set on the cutting path, without additional processing technology, avoiding additional processing costs, and at the same time facilitating the concave portion 32 of the positioning elastic piece 3 to be snapped into the protrusion 22 during installation.

[0050] In some embodiments, in order to make the connection between the positioning elastic piece 3 and the cleaning head 2 more stable and maintain a better alignment position with the positioning block 4, the positioning elastic piece 3 is sleeved on the rotating shaft of the relative rotation of the connecting rod 1 and the cleaning head 2. At this time, the positioning block 4 is fixedly arranged on the clamping portion 11, the positioning elastic piece 3 is fixed on the cleaning head 2, and their relative rotation is always coaxial with the relative rotation of the connecting rod 1 and the cleaning head 2, so that the two can always maintain the correct alignment relationship and improve the stability of the product.

[0051] Embodiment 2:

[0052] The difference from the above embodiment is that the positioning elastic piece 3 is arranged on the connecting rod 1 and the positioning block 4 is arranged on the cleaning head 2. Since the connecting rod 1 and the cleaning head 2 are in a relative rotation relationship, the positions of the positioning elastic piece 3 and the positioning block 4 can be interchanged with each other, and the same effect as the above embodiment can be achieved as long as the alignment relationship is satisfied.

[0053] Embodiment 3:

[0054] The difference from the above embodiment is that the connecting portion 21 is arranged on the connecting rod 1 and the clamping portion 11 is arranged on the cleaning head 2. That is, the cleaning head 2 clamps the connecting portion 21 on the connecting rod 1 through the clamping portion 11 and is hinged thereto, which can also achieve the effect of the rotational connection between the connecting rod 1 and the cleaning head 2.

[0055] Embodiment 4:

[0056] The difference from the above embodiment is that the positioning elastic piece 3 is fixedly connected to the clamping portion 11 and protrudes toward the connecting portion 21 along the axial direction in which the connecting rod 1 rotates relative to the cleaning head 2. At this time, the positioning block 4 is formed as a protrusion on the connecting portion 21 facing the connecting portion 21, that is, the positions of the positioning elastic piece 3 and the positioning block 4 in the above embodiment are swapped. Since in the solution of this application, the positioning and de-positioning effects are mainly achieved by the relative rotation of the positioning block 4 and the positioning elastic piece 3, the axial position swap does not affect the realization of its function.

[0057] Embodiment Five:

[0058] The difference from the above solution is that when the positioning elastic piece 3 is arranged on the connecting rod 1, its anti-rotation structure is also correspondingly arranged between the positioning elastic piece 3 and the connecting rod 1, that is, a protrusion 22 is arranged on the connecting rod 1 to cooperate with a recess 32 on the positioning elastic piece 3, and the effect is the same as that when the positioning elastic piece 3 is arranged on the cleaning head 2 and the protrusion 22 cooperates with the recess 32.

[0059] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

Claims

1. A cleaning tool, characterized in that, Comprising: A connecting rod (1); A cleaning head (2) rotatably connected to one end of the connecting rod (1); A positioning elastic piece (3) provided on the cleaning head (2) or the connecting rod (1), capable of elastically deforming in a first direction, which is the axial direction of the relative rotation between the cleaning head (2) and the connecting rod (1); A positioning block (4) provided on the connecting rod (1) or the cleaning head (2), abutted against the positioning elastic piece (3); The positioning elastic piece (3) includes a positioning groove (31). When the positioning block (4) is located in the positioning groove (31), the connecting rod (1) and the cleaning head (2) are in a fixed state where they cannot freely rotate relative to each other; when the positioning block (4) disengages from the positioning groove (31), the positioning block (4) presses the positioning elastic piece (3), causing the positioning elastic piece (3) to deform in the first direction, thereby enabling the connecting rod (1) and the cleaning head (2) to be in a movable state where they can freely rotate relative to each other.

2. The cleaning tool according to claim 1, wherein, The positioning groove (31) includes a guiding section (311) and a positioning section (312) arranged circumferentially along the relative rotation direction of the connecting rod (1) and the cleaning head (2). The depth of the guiding section (311) relative to the surface of the positioning elastic piece (3) is less than the depth of the positioning section (312) relative to the surface of the positioning elastic piece (3). When the connecting rod (1) and the cleaning head (2) enter or exit the fixed state, the positioning block (4) enters or exits the positioning section (312) along the guiding section (311).

3. The cleaning tool according to claim 2, characterized in that, The guiding section (311) extends circumferentially along the relative rotation direction of the connecting rod (1) and the cleaning head (2), and in the direction away from the positioning section (312), the depth of the guiding section (311) relative to the surface of the positioning elastic piece (3) gradually becomes shallower.

4. The cleaning tool according to any one of claims 1-3, characterized in that, There is a connecting portion (21) on the cleaning head (2) or the connecting rod (1). The lower end of the connecting rod (1) has two clamping portions (11). The connecting portion (21) is clamped between the two clamping portions (11) and is hinged to the two clamping portions (11), so that the connecting rod (1) and the cleaning head (2) form a rotational connection.

5. The cleaning tool according to claim 4, wherein The positioning elastic piece (3) and the positioning block (4) are arranged between the clamping portion (11) and the connecting portion (21).

6. The cleaning tool according to claim 5, characterized in that, The positioning elastic piece (3) is fixedly connected to the connecting portion (21) and protrudes outward from the connecting portion (21) in the first direction. The positioning block (4) is formed as a protrusion on the clamping portion (11) facing the connecting portion (21); Or the positioning elastic piece (3) is fixedly connected to the clamping portion (11) and protrudes toward the connecting portion (21) in the first direction. The positioning block (4) is formed as a protrusion on the connecting portion (21) facing the connecting portion (21).

7. The cleaning tool according to claim 6, wherein, The positioning elastic pieces (3) and the positioning blocks (4) each include two. The two positioning elastic pieces (3) are respectively arranged on both sides of the connecting portion (21), and the two positioning blocks (4) are also respectively arranged on both sides of the connecting portion (21) and are in corresponding positions with the two positioning elastic pieces (3).

8. The cleaning tool according to any one of claims 1-3, 5-7, characterized in that, When the positioning elastic piece (3) is arranged on the cleaning head (2) or the connecting rod (1), at least one anti-rotation structure is provided between the cleaning head (2) or the connecting rod (1) and the positioning elastic piece (3). When the cleaning head (2) and the connecting rod (1) rotate relative to each other, the anti-rotation structure restricts the rotation of the positioning elastic piece (3) relative to the cleaning head (2) or the connecting rod (1).

9. The cleaning tool according to claim 8, characterized in that, The anti-rotation structure includes a protrusion (22) arranged on the cleaning head (2) or the connecting rod (1) and a recess (32) arranged on the positioning elastic piece (3). When the positioning elastic piece (3) is arranged on the cleaning head (2) or the connecting rod (1), the protrusion (22) snaps into the recess (32).

10. The cleaning tool according to claim 9, wherein There are three anti-rotation structures, which are arranged circumferentially along the relative rotation of the connecting rod (1) and the cleaning head (2).

11. The cleaning tool according to claim 9, characterized in that, The recess (32) is formed as a groove on the edge of the positioning elastic piece (3).

12. The cleaning tool according to any one of claims 1-3, 5-7, 9-11, characterized in that, The positioning elastic piece (3) is sleeved on the rotating shaft of the relative rotation of the connecting rod (1) and the cleaning head (2).

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