Rod connecting device and cleaning tool

Abstract

The utility model discloses a rod connecting device and a cleaning tool, belongs to the technical field of living appliances, and aims to solve the technical problem that existing rod connection needs convenient and stable assembly. The rod connecting device comprises a first rod and a second rod, wherein one end of the first rod is tubular; one end of the second rod is sleeved into the tubular part of the first rod; one end of the second rod is sleeved with the anti-falling piece, and the anti-falling piece is provided with a plurality of fins extending in the radial direction of the second rod; when the second rod is sleeved with the first rod, the fins are extruded by the tubular part of the first rod and incline in the direction opposite to the direction in which the second rod is sleeved with the first rod, and the ends of the fins abut against the inner wall of the tubular part of the first rod. And when the second rod is subjected to external force in the direction in which the second rod is separated from the first rod, the fins are clamped on the inner wall of the tubular part of the first rod and elastically deform, so that the second rod is prevented from being separated from the first rod. When a user needs to assemble the first rod and the second rod, the user only needs to sleeve and clamp the anti-falling piece on the second rod and sleeve one end, sleeved with the anti-falling piece, of the second rod into the tubular part of the first rod, so that the assembly process can be completed, the operation is convenient, the connection is stable, the production and transportation cost is greatly reduced, and the user experience is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of living appliances, and in particular, relates to a rod connecting device and a cleaning tool. Background Art

[0002] Existing household appliances, such as mops, brooms, window cleaners, shovels, etc., generally include a rod body and a working head with the rod body. The rod body is generally long, so in the production and transportation process, in order to reduce the transportation volume, the rod body and the working head with the connecting rod need to be separated first, so that the overall volume is reduced to compress the packaging volume, and then the user can assemble it by himself when using it. Therefore, it is necessary to provide a convenient and stable way to assemble the rod body and the working head with the connecting rod. Utility Model Content

[0003] The present application aims to provide a structure that is easy to assemble and has stable connection to at least some extent for the rod connection problem, especially for the rod body and the working head with a connecting rod. To this end, the present application provides a rod connection device and a cleaning tool.

[0004] In a first aspect, an embodiment of the present application provides a rod connection device, comprising:

[0005] The first rod is tubular at one end;

[0006] A second rod, one end of which is inserted into the tubular portion of the first rod;

[0007] An anti-slip member, sleeved on one end of the second rod, having a plurality of fins extending radially along the second rod;

[0008] When the second rod is inserted into the first rod, the fin is squeezed by the tubular portion of the first rod and tilted in a direction away from the insertion of the second rod into the first rod, and the end of the fin abuts against the inner wall of the tubular portion of the first rod;

[0009] When the second rod is subjected to an external force in a direction causing it to escape from the first rod, the fin is clamped on the inner wall of the tubular portion of the first rod and undergoes elastic deformation to prevent the second rod from escaping from the first rod.

[0010] In some embodiments, the fins are made of metal.

[0011] In some embodiments, the fins are made of stainless steel or aluminum alloy.

[0012] In some embodiments, edges of a plurality of the fins away from one end of the second rod are all arc-shaped.

[0013] In some embodiments, the plurality of edges are located on a cylindrical surface coaxial with the second rod.

[0014] In some embodiments, along a direction perpendicular to the extending direction of the fin, the fin is an arc with an opening facing away from the direction in which the second rod is sleeved onto the first rod.

[0015] In some embodiments, the anti-disengagement member is snap-fitted to the second rod.

[0016] In some embodiments, the anti-disengagement member further includes a ring portion sleeved on the second rod, the fin is disposed on the outer periphery of the ring portion, and the anti-disengagement member is clamped to the second rod through the ring portion.

[0017] In some embodiments, one end of the second rod close to being sleeved onto the first rod includes a step and a pressing block disposed opposite to each other, and the ring portion is clamped between the step and the pressing block.

[0018] In some embodiments, the step is annular, and is provided with a plurality of shoulders extending towards the pressing block, and the pressing block presses the ring portion onto the shoulders.

[0019] In some embodiments, both the pressing block and the shoulders include at least two, and the gaps between the pressing block and at least two shoulders are disposed opposite to each other.

[0020] In some embodiments, one end of the second rod close to being sleeved onto the first rod is a rod head, and the ring portion is sleeved on the rod head.

[0021] In some embodiments, the pressing block is movably disposed on the rod head. When the ring portion is sleeved onto the rod head, the pressing block enters the rod head to avoid the ring portion. After the ring portion passes through the position of the pressing block, the pressing block protrudes from the side surface of the rod head so that the ring portion is clamped between the step and the pressing block.

[0022] In some embodiments, the rod head includes a cantilever extending along the second rod close to being sleeved onto the first rod, the pressing block is disposed at the free end of the cantilever, and naturally protrudes from the side surface of the rod head in a state without external force.

[0023] In some embodiments, a rotation prevention structure is provided between the anti-disengagement member and the second rod to prevent the anti-disengagement member from rotating relative to the second rod.

[0024] In some embodiments, the anti-disengagement member further includes a ring portion sleeved on the second rod, and a protruding portion disposed inside the ring portion. The second rod is provided with a recess. When the ring portion is sleeved on the second rod, the protruding portion is clamped in the recess to form the rotation prevention structure to prevent the anti-disengagement member from rotating relative to the second rod.

[0025] Second aspect, based on the rod connection device described above, an embodiment of the present application further provides a cleaning device. In some embodiments, it includes a cleaning head and the rod connection device described in any one of the above. The second rod is rotatably connected to the cleaning head, so that the user can hold the first rod to operate the cleaning head for cleaning operations.

[0026] In some embodiments, the cleaning head is a mop head. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] 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 drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 Shows an overall schematic diagram of the rod connection device disclosed in the embodiment of the present application;

[0029] Figure 2 Shows an exploded schematic diagram of the rod connection device disclosed in the embodiment of the present application;

[0030] Figure 3 Shows an assembled schematic diagram of the second rod and the anti - detachment member disclosed in the embodiment of the present application;

[0031] Figure 4 Shows a schematic diagram of the second rod disclosed in the embodiment of the present application;

[0032] Figure 5 Shows a schematic diagram of the anti - detachment member disclosed in the embodiment of the present application;

[0033] Figure 6 Shows a schematic diagram of the cleaning tool disclosed in the embodiment of the present application.

[0034] Reference Signs:

[0035] 1, the first rod;

[0036] 2, the second rod; 21, the step; 211, the shoulder; 22, the pressing block; 23, the rod head; 231, the cantilever; 24, the concave part;

[0037] 3, the anti - detachment member; 31, the fin; 311, the edge; 32, the ring part; 33, the protruding part;

[0038] 4, the cleaning head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0040] It should be noted that all directional indications in the embodiments of the present utility model are only used to explain the relative position relationship and movement conditions between components in a specific posture. If this specific posture changes, the directional indication will also change accordingly.

[0041] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall 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 utility model can be understood according to specific situations.

[0042] In addition, in the present utility model, 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 ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0043] The following describes the present application in conjunction with the accompanying drawings and with reference to specific embodiments:

[0044] Embodiment 1

[0045] Please refer to Figure 1 、 Figure 2 、 Figure 3 . The embodiment of the present application discloses a rod connection device, including a first rod 1, a second rod 2, and an anti-disengagement member 3. One end of the first rod 1 is tubular, one end of the second rod 2 can be inserted into the tubular portion of the first rod 1, and the first rod 1 and the second rod 2 are stably connected through the anti-disengagement member 3, so that the first rod 1 and the second rod 2 are connected as a whole.

[0046] Specifically, the anti - detachment member 3 includes a number of fins 31 extending radially along the second rod 2, that is, extending radially outward with the axis direction of the second rod 2 as the center. And the anti - detachment member 3 is sleeved on the second rod 2. At this time, when the second rod 2 is inserted into the first rod 1, the fins 21 of the anti - detachment member 3 will be restricted by the extrusion of the inner wall of the first rod 1 and become inclined along the direction away from the insertion of the second rod 2 into the first rod 1, and the end of the fin 21 abuts against the inner wall of the tubular part of the first rod 1. Since the fin 21 has a tendency to restore its state before being restricted by the extrusion of the inner wall of the first rod 1, its end tightly abuts against the inner wall of the tubular part of the first rod 1. When an external force in the direction of the second rod 2 being pulled out of the first rod 1 acts on the second rod 2, for example, when an external force is used to pull the second rod 2 out of the first rod 1, a force is generated between the end of the fin 31 and the inner wall of the first rod 1, and a certain component of this force is directed along the fin 31 towards the second rod 2. That is, to pull the second rod 2 out of the first rod 1, the fin 31 needs to be compressed and deformed. Therefore, the resistance of the fin 1 itself to resist deformation can act between the first rod 1 and the second rod 2, making it impossible for the second rod 2 to be pulled out of the first rod 1.

[0047] In the above - mentioned embodiment, the material of the fin 31 is a metal material, especially stainless steel or aluminum alloy. First, the deformation of the metal material itself is elastic deformation. Therefore, when the fin 31 is made of a metal material, when the fin 31 is extruded by the tubular part of the first rod 1 and tilts, it has a strong tendency to restore deformation, so its end can tightly abut against the inner wall of the tubular part of the first rod 1. Secondly, the hardness of the metal material is relatively large. When its end presses against the first rod 1 and has a certain tendency of relative movement with respect to the first rod 1, it can cause deformation of the first rod 1 or directly insert into the inner wall of the first rod 1. At this time, the resistance to the movement of the fin 31 relative to the first rod 1 will be greater. Moreover, the material of the first rod 1 is generally stainless steel or plastic. In the actual product production process, the inner surface of its tubular body cannot be made absolutely smooth. Therefore, the fin 31 is easily stuck by the frictional resistance on its inner surface. Especially when the fin 31 is made of stainless steel or aluminum alloy, the fin 31 is generally formed by cutting into a sheet shape, and its end is the edge of the sheet, so it has a certain sharp angle or burr, which is easily stuck on the inner wall of the tubular body of the first rod 1 or even inserted into the inner wall of the first rod 1, further increasing the resistance to the extraction of the second rod 2.

[0048] Please refer to Figure 5, in some embodiments, in order to enable the end of the fin 31 away from the second rod 2 to have more contact with the inner wall of the first rod 1 to generate greater friction, the edge 311 of the end of the fin 31 away from the second rod 2 is set to be arc-shaped. In this way, it can be ensured that the fin 31 and the inner wall of the first rod 1 are in multi-point contact or line contact. Since there is a certain friction between the inner wall of the first rod 1 and the fin 31 in the product, increasing the contact points or contact area between the two can relatively increase the friction, thereby increasing the resistance to the second rod 2 being pulled out of the first rod 1. Especially when the second rod 2 is inserted into the tubular part of the first rod 1, if the arc of the edge 311 is exactly the same as the arc of the inner wall of the first rod 1, the maximum friction effect can be achieved.

[0049] Furthermore, since there are several fins 31, it is necessary to make the edges 311 of several fins 31 simultaneously on the same cylindrical surface, that is, this cylindrical surface is coaxial with the tubular part of the first rod 1. Then, it can be ensured that each edge 311 can make the same contact with the inner wall of the first rod 1, so as to achieve the best friction effect. Especially when the lengths of each fin 311 are the same, the distances from the edge 311 to the axis of the second rod 2 are equal, which can ensure that the first rod 1 and the second rod 2 are coaxial, that is, they have good centering, and further make the rod connection more stable.

[0050] In some embodiments, the fin 31 is arc-shaped along the direction perpendicular to the extension direction of the fin 31, and the opening of the arc faces away from the direction in which the second rod 2 is inserted into the first rod 1, that is, the fin 31 is radially arranged along the radial direction of the second rod 2. And in the plane perpendicular to this direction, the cross-section of the fin 31 is arc-shaped, and the opening faces away from the direction in which the second rod 2 is inserted into the first rod 1. For the arc of the fin 31 in this direction, it can be understood as a shape similar to a "tile". Since when the fin 31 has a tendency to be pulled out relative to the first rod 1, it needs to resist its own deformation to have sufficient resistance on the inner wall of the first rod 1, the greater its own ability to resist deformation, the tighter it presses against the inner wall of the first rod 1, and the more difficult it is for the second rod 2 to be pulled out. Therefore, it needs to be set as an arc, and the opening of the arc faces away from the direction in which the second rod 2 is inserted into the first rod 1.

[0051] In some embodiments, in order to facilitate the production and packaging of the product, the second rod 2 and the anti-disengagement member 3 are separately arranged to form an assemblable structure, so that the anti-disengagement member 3 can be snap-fitted on the second rod 2. Specifically, please refer to Figure 3 、 Figure 4 、 Figure 5, the anti - detachment member 3 includes a ring portion 32. The ring portion 32 is sleeved on the second rod 2 and is clamped with the second rod 2 to restrict the axial movement of the anti - detachment member 3 relative to the second rod 2 and prevent the anti - detachment member 3 from coming off the second rod 2. The fins 31 are radially arranged on the outer periphery of the ring portion 32. Thus, the fins 31 can be arranged on the second rod 2 through the ring portion 31. Of course, the most important function of this setting method is to fix the fins 31 to the second rod 2. Therefore, it is also possible to directly clamp each fin 31 on the second rod 2 without setting the ring portion 32, which can also form a way that several fins 31 extend along the radial direction of the second rod 2.

[0052] Further, when using the ring portion 32 to clamp the anti - detachment member 3 on the second rod 2, the second rod 2 is sleeved at one end of the first rod 1 and is provided with a step 21 for abutting against the ring portion 32 on the first side, and a pressing block 22 is provided on the second rod 2 on the other side of the ring portion 32. The ring portion 32 is clamped between the step 21 and the pressing block 22, so that the anti - detachment member 3 cannot move axially along the second rod 2, and further enables the second rod 2 to be clamped in the tubular portion of the first rod 1 through the anti - detachment member 3.

[0053] Since the ring portion 32 is generally in the shape of a thin sheet, especially when the anti - detachment member 3 is made of metal, the thin metal sheet is easy to deform and it is difficult to maintain a flat state. Therefore, if it is necessary to stably hold the ring portion 32 on the second rod 2 to avoid its shaking, in some embodiments of the present application, a plurality of shoulders 211 extending towards the pressing block 22 are provided on the step 21. The plurality of shoulders 211 form multi - point positioning of the ring portion 32 on one side of the step 21, avoiding the problem of shaking of the anti - detachment member 31 caused by the relative unevenness between the plane of the step 21 and the plane of the ring portion 32. In addition, the pressing block 22 and the shoulders 211 can be provided in multiple numbers, such as 2 or 3. Along the axial direction of the second rod 2, each pressing block 22 is opposite to the gap between two shoulders 211. Preferably, the gap between the plane of the pressing block 22 relative to the shoulders 211 and the plane of the shoulders 211 relative to the pressing block 22 is very small, and the ring portion 32 is clamped in this gap. If the width of this gap does not exceed the thickness of the ring portion 32, the ring portion 32 will be slightly deformed when being clamped, making the clamping between the ring portion 32 and the second rod 2 tighter, similar to an interference fit, which can further prevent the anti - detachment member 3 from shaking relative to the second rod 2, and further making the connection between the first rod 1 and the second rod 2 more stable.

[0054] Please refer to Figure 3 、 Figure 4, in some embodiments, in order to prevent the ring portion 32 from shaking radially along the second rod 2, the pressing block 22 needs to be movably arranged on the second rod 2. For example, the pressing block 22 can move radially along the second rod 2 or can be detached from the second rod 2. When the anti-detachment member 3 needs to be assembled, the ring portion 32 needs to be sleeved on the rod head 23 of the second rod 2. At this time, the pressing block 22 needs to give way to the sleeving of the ring portion 32, that is, the pressing block 22 is pressed radially into the second rod 2 along the second rod 2, or the pressing block 22 is detached from the second rod 2. When one side of the ring portion 32 abuts against the step 21 or the shoulder 211 on the step 21, the pressing block 22 is restored to its original position and kept protruding from the side of the rod head 23, so that one side of the ring portion 32 is the step 21 or the shoulder 211 on the step 21, and the other side is the pressing block 22, forming a clamping of the ring portion 32. In the above scheme, whether the step 21 can move radially along the rod head 23 of the second rod 2 or can be detached from the second rod 2, it can ensure that the ring portion 23 can be smoothly sleeved on the rod head 23 of the second rod 2, and can also ensure that the inner diameter of the ring portion 32 is the smallest, that is, the inner diameter of the ring portion 23 is preferably close to the outer diameter of the rod head 23. For example, when the inner diameter of the ring portion 32 is equal to the outer diameter of the rod head 23, exactly the ring portion 23 cannot shake radially relative to the second rod 2. When the inner diameter of the ring portion 32 is slightly smaller than the outer diameter of the rod head 23, an interference fit is formed between the ring portion 32 and the rod head 23 in the radial direction of the second rod 2, so that the ring portion 32 completely avoids shaking radially relative to the second rod 2.

[0055] Further, when the pressing block 22 is arranged in a way that it can move radially along the second rod 2, a cantilever 231 can be arranged at one end of the second rod 2 close to the sleeved first rod 1, that is, at one end of the rod head 23. The pressing block 22 is arranged at the free end of the cantilever 231. The pressing block 22 can enter the rod head 23 as the cantilever 231 swings and can be kept on the side protruding from the rod head 23 without external force, so as to clamp the ring portion 32 with the step 21 or the shoulder 211 on the step 21.

[0056] Since both the inner ring of the ring portion 32 and the outer side of the rod head 23 are circular, when the two are sleeved together, the ring portion 32 may rotate relative to the rod head 23, so that the first rod 1 and the second rod 2 may rotate, resulting in unstable connection. Therefore, in some embodiments, an anti-rotation structure is provided on the anti-detachment member 3 and the second rod 2 to prevent the anti-detachment member 3 from rotating relative to the second rod 2, and further prevent the first rod 1 and the second rod 2 from rotating relative to each other, such as Figure 4 , Figure 5, a protrusion 33 is provided on the inner side of the ring portion 32, and a recess 24 is provided on the second rod 2. When the ring portion 32 is sleeved on the second rod 2, the protrusion 33 is exactly stuck in the recess 24 to form an anti-rotation structure, thereby preventing the anti-disengagement member 3 from rotating relative to the second rod 2. Of course, a protrusion can also be provided on the second rod 2 and a recess can be provided on the inner side of the ring portion 32 for cooperation, so that the anti-disengagement member 3 and the second rod 2 cannot rotate relative to each other. In this embodiment, the rotation between the anti-disengagement member 3 and the first rod 1 can be restricted by the frictional resistance between the end of the fin 31 and the inner wall of the tube of the first rod 1, thereby restricting the relative rotation between the first rod 1 and the second rod 2.

[0057] Through the above embodiments, a stable connection between the first rod 1 and the second rod 2 can be achieved. This connection method is highly operable and requires a small number of parts. When applied to a product, the user only needs to snap the anti-disengagement member 3 onto the second rod 2 and then insert the second rod 2 into the first rod 1 to stably connect the two.

[0058] Embodiment 2

[0059] Based on the rod connection device above, this embodiment also proposes a cleaning tool, including a cleaning head 4 and the rod connection device above. The second rod 2 is rotatably connected to the cleaning head 4, so that the cleaning head 4 can be connected to the second rod 2, and the first rod 1 can be provided for the user to hold. During the production and transportation of the product, if the first rod 1 and the second rod 2 are not assembled, the overall length can be reduced, the packaging cost and the required transportation space can be reduced. When the user needs to assemble and use it, only need to put the anti-disengagement member 3 on the second rod 2, and then insert the end of the second rod 2 with the anti-disengagement member 3 into the tubular portion of the first rod 1, then the first rod 1 and the cleaning head 4 can be stably connected through the second rod 2 and the anti-disengagement member 3. The user can hold the first rod 1 to operate the cleaning head 4, thereby performing a cleaning operation.

[0060] In some embodiments, when the cleaning head is a mop head, the cleaning tool is a mop; when the cleaning head is a broom head, the cleaning tool is a broom; when the cleaning head is a scraping strip, the cleaning tool is a squeegee. In short, common rod-type household cleaning tools can all be assembled using the above rod connection device.

[0061] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", 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 utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

Claims

1. A rod connecting device, characterized in that: include: A first rod (1) having a tubular end; A second rod (2), one end of which is inserted into the tubular portion of the first rod (1); An anti-slip member (3) is sleeved on one end of the second rod (2) and has a plurality of fins (31) extending radially along the second rod (2); When the second rod (2) is inserted into the first rod (1), the fin (31) is squeezed by the tubular portion of the first rod (1) and tilted in a direction away from the insertion of the second rod (2) into the first rod (1), and the end of the fin (31) abuts against the inner wall of the tubular portion of the first rod (1); When the second rod (2) is subjected to an external force in a direction causing it to escape from the first rod (1), the fin (31) is clamped on the inner wall of the tubular portion of the first rod (1) and deformed to prevent the second rod (2) from escaping from the first rod (1).

2. The rod connecting device according to claim 1, characterized in that: The fins (31) are made of metal.

3. The rod connecting device according to claim 2, characterized in that: The fins (31) are made of stainless steel or aluminum alloy.

4. The rod connecting device according to any one of claims 1 to 3, characterized in that: The edges (311) of the plurality of fins (31) at one end away from the second rod (2) are all arc-shaped.

5. The rod connecting device according to claim 4, characterized in that: The plurality of edges (311) are all located on a cylindrical surface coaxial with the second rod (2).

6. The rod connecting device according to claim 5, characterized in that: Along a direction perpendicular to the extension of the fin (31), the fin (31) is in an arc shape with the opening facing away from the direction in which the second rod (2) is inserted into the first rod (1).

7. The rod connecting device according to any one of claims 1-3, 5 and 6, characterized in that: The anti-dropping member (3) is clamped on the second rod (2).

8. The rod connecting device according to claim 7, characterized in that: The anti-slip component (3) further comprises a ring portion (32) sleeved on the second rod (2), the fin (31) is arranged on the outer periphery of the ring portion (32), and the anti-slip component (3) is clamped on the second rod (2) through the ring portion (32).

9. The rod connecting device according to claim 8, characterized in that: The end of the second rod (2) close to the first rod (1) comprises a step (21) and a pressing block (22) arranged opposite to each other, and the ring portion (32) is clamped between the step (21) and the pressing block (22).

10. The rod connecting device according to claim 9, characterized in that: The step (21) is annular and is provided with a plurality of shoulders (211) extending toward the pressing block (22). The pressing block (22) presses the ring portion (32) onto the shoulders (211).

11. The rod connecting device according to claim 10, characterized in that: The pressing block (22) and the shoulders (211) each include at least two, and the gaps between the pressing block (22) and the at least two shoulders (211) are arranged relative to each other.

12. The rod connecting device according to any one of claims 9 to 11, characterized in that: The end of the second rod (2) close to being inserted into the first rod (1) is a rod head (23), and the ring portion (32) is sleeved on the rod head (23).

13. The rod connecting device according to claim 12, characterized in that: The pressing block (22) is movably arranged on the rod head (23); when the ring portion (32) is inserted into the rod head (23), the pressing block (22) enters the rod head (23) to avoid the ring portion (32); when the ring portion (32) passes the position of the pressing block (22), the pressing block (22) protrudes from the side of the rod head (23) so that the ring portion (32) is clamped between the step (21) and the pressing block (22).

14. The rod connecting device according to claim 13, characterized in that: The rod head (23) comprises a cantilever (231) extending along the second rod (2) and close to the first rod (1). The pressing block (22) is arranged at the free end of the cantilever (231) and naturally protrudes from the side of the rod head (23) in the absence of external force.

15. The rod connecting device according to any one of claims 1-3, 5, 6, 8-11, 13, and 14, characterized in that: The anti-slip component (3) and the second rod (2) are provided with a rotation-stopping structure to prevent the anti-slip component (3) from rotating relative to the second rod (2).

16. The rod connection device according to claim 15, characterized in that The anti-slip component (3) further comprises a ring portion (32) sleeved on the second rod (2), and a protrusion (33) arranged on the inner side of the ring portion (32); a recess (24) is provided on the second rod (2); when the ring portion (32) is sleeved on the second rod (2), the protrusion (33) is clamped in the recess (24) to form the anti-rotation structure, so as to prevent the anti-slip component (3) from rotating relative to the second rod (2).

17. A cleaning device, characterized in that: It comprises a cleaning head (4) and a rod connecting device according to any one of claims 1 to 16, wherein the second rod (2) is rotatably connected to the cleaning head (4) so ​​that a user can hold the first rod (1) to operate the cleaning head (4) to perform cleaning operations.

18. A cleaning device according to claim 17, characterized in that: The cleaning head (4) is a mop head.

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