TWM555701U - Connecting structure of cleaning device - Google Patents

Description

Connection structure for cleaning equipment

The present invention relates to the field of cleaning equipment technology, and in particular to a connection structure for a cleaning device.

Chinese Patent No. CN102379662A discloses a quick release cleaning device, which specifically discloses a driving mechanism and a cleaning disk mechanism. An elastic member is disposed along a shaft of the driving shaft of the driving mechanism, and the elastic member has a fastening convex portion. Corresponding to the buckled recess provided on a receiving shaft of the cleaning disc mechanism, the driving mechanism drives the cleaning disc mechanism to rotate by the driving shaft, and the engaging convex portion is subjected to the force when the cleaning disc mechanism is disassembled in the driving mechanism. The deformation causes the receiving shaft to be disengaged from the transmission shaft.

The quick release method described above requires the production of an elastic member and is fixed to the drive shaft or the receiving shaft by bolts, which not only increases the process flow but also increases the production cost.

The present invention provides a connection structure for a cleaning device to solve the problems of complicated structure, complicated assembly and disassembly, and high production cost in the prior art.

Specifically, the present embodiment provides a connection structure for a cleaning device, including a rectangular column-shaped transmission arm and a linkage, the transmission arm including a U-shaped open contact arm, the surface of the contact arm along the transmission arm The axial extension extends and is formed with a protrusion; the linkage has a recess that is engaged with the contact arm, and the inner wall of the recess is provided with a concave surface that is engaged with the protrusion. The protrusion and the concave surface of the concave portion are fastened and fixed to prevent the contact arm from being disengaged from the linkage, and the connection of the rectangular column-shaped transmission arm (contact arm) and the linkage forms a torque transmission.

Further, the protrusion includes an introduction surface extending toward one end of the contact arm and a fastening surface extending and curved toward the other end.

Further, the introduction surface is a slope or a plane.

Further, the fastening surface is an inner curved surface.

The recess includes a non-flared section, a connecting section and a flared section that are sequentially connected, wherein the connecting section constitutes an inner curved concave surface that is engaged with the protrusion.

In another embodiment, a connection structure for a cleaning apparatus that is inverted from the above-described embodiment is disclosed, comprising a rectangular column-shaped transmission arm and a linkage, the linkage comprising a U-shaped open contact arm, the contact arm The surface is provided with a protrusion; the transmission arm has a concave portion that is engaged with the contact arm, and the inner wall of the concave portion is provided with a concave surface that is engaged with the protrusion.

Further, the protrusion includes an introduction surface extending toward one end of the contact arm and a fastening surface extending and curved toward the other end.

Further, the recess includes a non-flared section, a connecting section and a flared section which are sequentially connected, wherein the connecting section constitutes an inner curved concave surface which is engaged with the protrusion.

In the present embodiment, the following advantages are obtained: the structure is simple, the manufacturing is convenient, the production cost is low, and no disassembly tool is needed, and the disassembly and assembly work is very easy and fast, and the time required for the replacement of the cleaning device components is greatly reduced. .

The technical solutions in the present creative embodiment will be described clearly and completely in conjunction with the drawings in the present embodiments. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present creation, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present invention.

The present embodiment provides a connection structure for a cleaning device, wherein the cleaning device is not limited to a robot that wipes, vacuums, or wipes the window.

In an embodiment, the cleaning apparatus includes, but is not limited to, the structure as shown in FIGS. 1 and 2: a transmission arm 2 including a rectangular column and a linkage 1, and the transmission arm 2 includes a U-shaped open contact arm 21, The surface of the contact arm 21 extends along the axial direction of the transmission arm 2 and is formed with a protrusion 22; the linkage 1 has a recess 11 that is engaged or overlapped with the contact arm 21, and the inner wall of the recess 11 is provided with a concave surface 12 that is engaged with the protrusion. .

At the time of mounting, the contact arm 21 is introduced into the recess 11, and when the projection 22 of the contact arm 21 comes into contact with the inner wall of the recess 11, the contact arm 21 is subjected to a radial force, causing the U-shaped contact arm 21 to be deformed, so that U The contact arms 21 on both sides of the opening are approached in the middle, and after the projection 22 slides into the recess 11, the stress on the contact arm 21 disappears and returns to the original state, so that the projection 22 is engaged with the concave surface 12.

Further, as shown in FIG. 3, the protrusion 22 includes an introduction surface 221 extending toward one end portion of the contact arm 21, and a fastening surface 222 extending and curved toward the other end portion.

Further, when the introduction surface 221 is a sloped surface, the single arm of the contact arm 21 forms a wedge shape, and the radius of the section of the wedge shape along the axial direction of the transmission arm 2 gradually becomes smaller. When the contact arm 21 is engaged with the recess 11 of the linkage 1, the wedge-shaped introduction surface 221 causes the contact arm 21 to quickly align the recess 11 of the linkage 1 and smoothly introduce it into the recess 11, and the projection 22 of the contact arm 21 enters the recess. At 11 o'clock, the radial stress causes the contact arm 21 to deform, and the distance between the two arms is reduced. When the protrusion 22 slides into the concave surface 12 of the recess 11, the stress of the contact arm 21 disappears and returns to the original state, so that the protrusion 22 The engagement with the concave surface 12 forms a snap-fit position to prevent the transmission arm 2 from being disengaged from the linkage 1 . When the introduction surface 221 is a flat surface, its state is similar to that of the inclined surface.

Further, as shown in FIG. 1 or FIG. 3 , the fastening surface 222 is an inner curved surface, and the curved fastening surface 222 is beneficial for the contact arm 21 not being hooked by the concave surface 12 of the recess 11 when the external force is pulled out, so that the protrusion 22 is flexible. Slide out of the concave surface 12.

As shown in FIG. 4, the recess 11 of the linkage 1 includes a non-flared section 111, a connecting section 112 and a flared section 113 which are sequentially connected. Wherein, the non-flared section 111 is a rectangle adapted to the transmission arm 2, so that the transmission arm 2 and the linkage member 1 can be engaged to realize the transmission of torque, and the linkage between the transmission mechanism and the linkage member is completed, so that the linkage member 1 can The rotation mode is in contact with the surface to be cleaned, and the width of the non-flared section 111 is smaller than the width of the contact arm 21 so that the contact arm 21 can be deformed by the radial stress when it is introduced into the non-flared section 111. The connecting section 112 constitutes an inner curved concave surface which is engaged with the projection, and the inner curved concave surface facilitates the projection 22 not being caught when the contact arm 21 is pulled out of the recess 11. The shape of the flared section 113 includes a cylindrical or rectangular tubular structure.

In another embodiment, a connection structure for a cleaning apparatus that is inverted for the structure of the above embodiment is disclosed, including a rectangular column-shaped transmission arm and a linkage, wherein the linkage includes a U-shaped open contact arm, the surface of the contact arm A protrusion is provided; the transmission arm has a concave portion that is engaged with the contact arm, and the inner wall of the concave portion is provided with a concave surface that is engaged with the protrusion.

Further, the protrusion includes an introduction surface extending toward one end portion of the contact arm and a fastening surface extending and curved toward the other end portion.

Further, the recess includes a groove including a non-flared section, a connecting section and a flared section which are sequentially connected, wherein the connecting section constitutes an inner curved concave surface which is engaged with the protrusion.

The above disclosure is only the preferred embodiment of the present invention, and it is of course not possible to limit the scope of the patent of the present invention. Therefore, the equivalent changes made according to the scope of the present patent are still covered by the present invention.

1‧‧‧ linkages

11‧‧‧ recess

111‧‧‧non-flared section

112‧‧‧Connection section

113‧‧‧ flare section

12‧‧‧ concave

2‧‧‧Transmission arm

21‧‧‧Contact arm

22‧‧‧ Protrusion

221‧‧‧Introduction

222‧‧‧ Snap surface

In order to explain the technical solution of the present embodiment more clearly, the following drawings will be briefly introduced. In the following description, the drawings in the following description are some embodiments of the present embodiment. Those skilled in the art can also obtain other patterns according to these drawings without paying creative labor. Figure 1 is a cross-sectional view showing the structure of a first embodiment of the present invention. 2 is a schematic cross-sectional view showing the structure of the first embodiment of the present invention. FIG. 3 is a schematic structural view of a contact arm according to the first embodiment of the present invention. 4 is a schematic view showing the structure of a recess of the first embodiment of the present invention.

1‧‧‧ linkages

11‧‧‧ recess

12‧‧‧ concave

2‧‧‧Transmission arm

21‧‧‧Contact arm

22‧‧‧ Protrusion

Claims (8)

A connecting structure for a cleaning device, comprising a columnar transmission arm and a linkage, wherein the transmission arm includes a U-shaped open contact arm, and a surface of the contact arm extends along an axial direction of the transmission arm and is formed There is a protrusion; the linkage has a recess that is engaged with the contact arm, and the inner wall of the recess is provided with a concave surface that is engaged with the protrusion. The connection structure for a cleaning device according to claim 1, wherein the protrusion includes an introduction surface extending toward one end portion of the contact arm, and a fastening surface extending and curved toward the other end portion. . The connection structure for a cleaning device according to claim 2, wherein the introduction surface is a slope or a plane. The connection structure for a cleaning device according to claim 2, wherein the fastening surface is an inner curved surface. The connection structure for a cleaning device according to claim 1, wherein the recess comprises a non-flared section, a connecting section and a flared section which are sequentially connected, wherein the connecting section is configured to be engaged with the protrusion. The inner curved concave surface. A connecting structure for a cleaning device, comprising a rectangular column-shaped transmission arm and a linkage, wherein the linkage comprises a U-shaped open contact arm, the surface of the contact arm is provided with a protrusion; The concave portion of the contact arm is engaged, and the inner wall of the concave portion is provided with a concave surface that is engaged with the protrusion. The connection structure for a cleaning device according to claim 6, wherein the protrusion includes an introduction surface extending toward one end portion of the contact arm, and a fastening surface extending and curved toward the other end portion. . The connection structure for a cleaning device according to claim 6 or 7, wherein the recess comprises a non-flared section, a connecting section and a flared section which are sequentially connected, wherein the connecting section is formed to form the protrusion The inner curved concave surface of the buckle.