JP3218337U - adapter - Google Patents

Abstract

Provided is an adapter that can be detachably connected to a common handle even if the female thread portion of a cleaning tool body is different. A screw-in type adapter 10 for detachably connecting a handle and a cleaning tool body includes a central portion 15, a first male screw portion 11 standing at one end of the central portion, and standing at the other end of the central portion. A second male screw portion 12 having the same outer diameter as the first male screw portion, a third male screw portion 13 extending at the tip of the first male screw portion and having an outer diameter smaller than that of the first male screw portion, and a second And a fourth male screw portion 14 that extends from the tip of the male screw portion and has an outer diameter smaller than that of the third male screw portion. [Selection] Figure 1

Description

  The present invention relates to an adapter for detachably connecting an instrument body to a handle.

  As a handle and a cleaning tool main body attached to the handle, for example, a structure described in Japanese Utility Model Registration No. 31276605 (Patent Document 1) is known. A screw hole is formed in the cleaning tool body of Patent Document 1. A threaded portion is formed at the handle tip. Then, the handle is coupled to the cleaning tool main body by screwing the screw portion at the tip of the handle into the screw hole of the cleaning tool main body.

Utility Model Registration No. 31276605

  However, the conventional structure for attaching the handle and the cleaning tool main body has the following problems. That is, there are a plurality of types such as brushes, mops, and squeegees (water drainers) in the cleaning tool body, a plurality of types having different sizes, and the screw holes are not limited to one type. For this reason, it is necessary to prepare a handle for each type of screw hole.

  In view of the above circumstances, an object of the present invention is to provide a structure capable of detachably connecting cleaning tool bodies having different screw holes to a common handle.

  For this purpose, the adapter according to the present invention is a screw-in type adapter that detachably connects the handle and the cleaning tool main body, and includes a central portion, a first male screw portion standing at the central portion, and a vertical portion at the central portion. A second male screw portion having the same outer diameter as the first male screw portion, a third male screw portion extending at the tip of the first male screw portion and having an outer diameter smaller than that of the first male screw portion, and a second male screw portion And a fourth male screw portion having an outer diameter smaller than that of the third male screw portion.

  The adapter of the present invention is interposed between the handle and the cleaning tool main body, and connects the cleaning tool main body to the handle by screwing screws together. At this time, two types of cleaning tool main bodies can be attached to a common handle by using the adapter with one end and the other end reversed. Moreover, the cleaning tool main body is replaced | exchanged suitably by loosening the screwing of screws.

  Specifically, a female screw portion is formed at the tip of the handle, and this handle female screw portion is screwed into the first male screw portion of the adapter. The fourth male thread portion of the adapter to do so protrudes from the handle. A female thread portion is formed in the cleaning tool main body, and the main body female thread portion is screwed into the fourth male thread portion of the adapter. When the user replaces the cleaning tool main body, the user may separate the handle female screw portion and the first male screw portion of the adapter, and separate the main body female screw portion and the fourth male screw portion of the adapter. Next, the handle female screw portion and the second male screw portion of the adapter are screwed together. The third male thread portion of the adapter to do so protrudes from the handle. Another main body female screw portion is screwed into the third male screw portion of the adapter.

  The handle may be a rod-like body or other shape. The female screw portion may be formed at the tip of the handle, but is not limited thereto. The cleaning tool body may be anything such as a brush, mop, squeegee (drainer), and is not particularly limited. The female screw portion may be formed at the tip of the cleaning tool main body, or may be formed at the center of the cleaning tool main body.

  As one aspect of the present invention, it extends linearly from the third male screw portion to the fourth male screw portion. As another aspect, the section between the third male screw portion and the fourth male screw portion may be bent and extend.

  As a preferred aspect of the present invention, the axial length of the fourth male screw portion is longer than the axial length of the second male screw portion. According to this aspect, even if the outer diameter of the fourth male screw portion is small, it can be securely screwed into the mating female screw portion. As another aspect, the axial length of the fourth male screw portion may be equal to or less than the axial length of the second male screw portion.

  As one aspect of the present invention, the pitch interval and the height of the thread of the fourth male screw portion are larger than the pitch interval and the height of the screw thread of the second male screw portion. As another aspect, the pitch interval of the threads of the fourth male screw portion may be equal to or less than the pitch interval of the threads of the second male screw portion. Or the height of the thread of a 4th external thread part may be below the height of the thread of a 2nd external thread part.

  As one aspect of the present invention, the outer diameter of the first male screw portion and the outer diameter of the second male screw portion are formed constant over the length direction, and the outer diameter of the third male screw portion becomes farther from the first male screw portion. It is tapered so that it gradually becomes smaller. As another aspect, the outer diameter of the third male screw portion may be formed constant over the length direction.

  The adapter is thick at the central region and narrow at both end regions. First and second male screw portions are formed on the outer peripheral surface of the central region, and third and fourth male screw portions are formed on the outer peripheral surface of both end regions, respectively. As one aspect of the present invention, a step is formed between the third male screw portion and the first male screw portion and / or between the fourth male screw portion and the second male screw portion. The step is directed toward the end of the adapter. According to this aspect, the level difference of the adapter can be brought into contact with the cleaning tool to be screwed and the cleaning tool can be securely fixed.

  As one aspect of the present invention, the cross-sectional shape of the adapter central part is larger than the outer diameter of the thread of the first male screw part and the second male screw part, and between the first male screw part and the central part, and between the second male screw part and the center A step is formed between the portions. According to this aspect, the step of the adapter can be brought into contact with the handle to be screwed and the handle can be securely fixed.

  As another aspect, the cross-sectional shape of the adapter central portion may be equal to or smaller than the outer diameter of the thread of the first male screw portion and the second male screw portion. Alternatively, a male screw common to the first male screw portion and the second male screw portion may be formed on the outer peripheral surface of the central portion.

  As described above, according to the present invention, even two types of cleaning tool bodies having different female screw portions can be connected to a common handle in a replaceable manner.

It is a perspective view showing one embodiment of the present invention. It is a perspective view which shows the internal thread member of the handle | steering-wheel connected to the embodiment. It is an exploded view which shows the 1st usage method of the embodiment. It is an exploded view which shows the 2nd usage method of the same embodiment. It is a schematic diagram which shows the cleaning tool main body connected by the 1st usage method. It is a schematic diagram which shows the cleaning tool main body connected by the 2nd usage method.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an adapter according to an embodiment of the present invention. FIG. 2 is a perspective view showing the female screw member of the handle screwed with the embodiment. The adapter 10 is a rod-shaped body having the largest diameter at the central portion 15 of the rod-shaped body, and one region and the other region of the rod-shaped body are formed narrower than the central portion 15. A first male screw portion 11 and a third male screw portion 13 are formed on the outer peripheral surface of one area of the adapter 10. A second male screw portion 12 and a fourth male screw portion 14 are formed on the outer peripheral surface of the other region of the adapter 10.

  The first male screw portion 11 and the second male screw portion 12 are adjacent to the central portion 15. Since the outer diameters of the first male screw portion 11 and the second male screw portion 12 are equal, the pitch interval and height of the screw threads of the first male screw portion 11 and the second male screw portion 12 are the same. Therefore, the first male screw portion 11 and the second male screw portion 12 can be screwed into the common female screw portion of the handle. The outer diameters of the threads of the first male screw part 11 and the second male screw part 12 are smaller than the outer diameter of the central part 15. An annular step 16 is formed at the boundary between the second male screw portion 12 and the central portion 15. The step 16 is directed toward the end of the adapter 10. Similarly, an annular step 19 is formed at the boundary between the first male screw portion 11 and the central portion 15.

  The third male screw portion 13 is provided at one end portion of the adapter 10. A boundary portion 17 is interposed between the first male screw portion 11 and the third male screw portion 13. The boundary portion 17 has a circular cross section. The outer diameter of the third male screw portion 13 is smaller than the outer diameter of the first male screw portion 11. Further, the third male screw portion 13 is formed in a tapered shape. The outer diameter of the third male screw portion 13 gradually decreases as the distance from the first male screw portion 11 increases. The axial length of the third male screw portion 13 is longer than the axial length of the first male screw portion 11.

  The fourth male screw portion 14 is provided at the other end portion of the adapter 10. A boundary portion 18 is interposed between the second male screw portion 12 and the fourth male screw portion 14. The boundary portion 18 has a circular cross section. The outer diameter of the fourth male screw portion 14 is smaller than the outer diameter of the second male screw portion 12. An annular step 20 is formed at the boundary between the second male screw portion 12 and the fourth male screw portion 14. The outer diameter of the thread of the fourth male screw portion 14 is constant over the axial direction. The axial length of the fourth male screw portion 14 is longer than the axial length of the second male screw portion 12. A flat circular end surface 22 is formed at the tip of the fourth male screw portion 14.

  The handle side member 30 shown in FIG. 2 is a pipe-like member that extends straight, and has openings at both ends. The outer diameter of the one end region 32 of the handle side member 30 and the outer diameter of the other end region 33 are different. The handle main body 31 is inserted into the one end region 32 and fixed. A female thread portion 34 is formed in the other end region 33. The female screw portion 34 is fitted with the first male screw portion 11 and the second male screw portion 12.

  FIG. 3 is an exploded view showing a first method of use for the adapter of this embodiment. FIG. 5 is a schematic view showing the cleaning tool main bodies connected by the first usage method. A handle side member 30 provided at the tip of the handle body 31 is attached and fixed to the adapter 10. Specifically, the third male screw portion 13 and the boundary portion 17 of the adapter 10 are inserted into the other end region 33 of the handle side member 30, and the first male screw portion 11 of the adapter 10 is screwed into the female screw portion 34 of the handle side member 30. The tip 35 of the other end region 33 comes into contact with the step 19 of the adapter 10 over the entire circumference.

  Further, the adapter 10 is attached and fixed to the cleaning tool main body 40. Specifically, an internal thread portion 41 is formed in the cleaning tool main body 40, and the internal thread portion 41 is screwed into the fourth external thread portion 14. Further, the end face 22 of the adapter 10 contacts the bottom of the female screw portion 41, and the tip 42 of the female screw portion 41 contacts the step 20 of the adapter 10 over the entire circumference. Thus, the handle main body 31 and the handle side member 30 are securely connected and fixed to the cleaning tool main body 40 via the adapter 10. Moreover, the handle side member 30, the adapter 10, and the cleaning tool main body 40 are isolate | separated by loosening the screwing mentioned above. In the first usage method, the second male screw portion 12 and the third male screw portion 13 are not screwed into the mating member.

  FIG. 4 is an exploded view showing a second method of use for the adapter of this embodiment. FIG. 6 is a schematic view showing the cleaning tool main bodies connected by the second usage method. In contrast to the second usage method and the first usage method, the adapter 10 is used with one end and the other end reversed. Specifically, the fourth male screw portion 14 and the boundary portion 18 of the adapter 10 are inserted into the other end region 33 of the handle side member 30, and the second male screw portion 12 of the adapter 10 is screwed into the female screw portion 34 of the handle side member 30. The tip 35 of the other end region 33 contacts the step 16 of the adapter 10 over the entire circumference.

  Furthermore, the adapter 10 is attached and fixed to another cleaning tool main body 50. Specifically, an internal thread portion 51 is formed in the cleaning tool main body 50, and the internal thread portion 51 is screwed into the third external thread portion 13. A bottomed hole 21 is formed on the end surface of the third male screw portion 13. A protrusion 52 is formed at the bottom of the female screw portion 51. The protrusion 52 is passed through the bottomed hole 21, and the tip of the protrusion 52 comes into contact with the flat bottom surface of the bottomed hole 21. Thus, the handle main body 31 and the handle side member 30 are securely connected and fixed to the cleaning tool main body 50 via the adapter 10. Moreover, the handle side member 30, the adapter 10, and the cleaning tool main body 50 are isolate | separated by loosening the screwing mentioned above. In the second usage method, the first male screw portion 11 and the fourth male screw portion 14 do not screw with the mating member.

  The direction of these screws from the first male screw portion 11 to the fourth male screw portion 14 is generally tightened clockwise. The screw directions of the female thread portions 34, 41, 51 are also generally tightened clockwise. As a modification not shown, the direction of at least one screw from the first male screw portion 11 to the fourth male screw portion 14 may be a reverse screw. The usage method of the adapter 10 is not limited to the first and second usage methods described above. It is sufficient that the handle is screwed into the first male screw portion 11 or the third male screw portion 13, and the cleaning tool main body is screwed into the second male screw portion 12 or the fourth male screw portion 14.

  The adapter 10 of the present embodiment is a screw-in type adapter that detachably connects the handle side member 30 and the cleaning tool main bodies 40 and 50, and is provided with a central portion 15 and a first portion that extends to one end of the central portion 15. A first male screw portion 11, a second male screw portion 12 extending to the other end of the central portion 15 and having the same outer diameter as the first male screw portion 11, and a first male screw portion 11 extending further to one end of the first male screw portion 11. A third male screw portion having an outer diameter smaller than that of the male screw portion; and a fourth male screw portion further extending at the other end of the second male screw portion and having an outer diameter smaller than that of the third male screw portion. That is, the adapter 10 includes male thread portions having three types of outer diameters, a large outer diameter, a medium outer diameter, and a small outer diameter. The first and second male screw portions having a large outer diameter can be screwed with the handle side member, and the remaining third and fourth male screw portions having a medium outer diameter and a small outer diameter can be screwed with two different types of cleaning tool bodies. .

  The adapter 10 of this embodiment extends linearly from the third male screw portion 13 to the fourth male screw portion 14. The axial length of the fourth male screw portion 14 is longer than the axial length of the second male screw portion 12. The pitch interval and height of the threads of the fourth male screw portion 14 are larger than the pitch interval and height of the threads of the second male screw portion 12. The outer diameter of the third male screw portion 13 is tapered so that it gradually decreases as the distance from the first male screw portion 11 increases. A step 20 is formed between the fourth male screw portion 14 provided at the end of the adapter 10 and the second male screw portion 12 provided on the center side of the adapter 10. The step 20 is directed toward the end of the adapter 10. The cross-sectional shape of the central portion 15 is a circular cross section and is larger than the outer diameters of the threads of the first male screw portion 11 and the second male screw portion 12. A step 19 is formed between the first male screw portion 11 and the central portion 15. A step 16 is formed between the second male screw portion 12 and the central portion 15.

  In addition to the illustrated embodiment, as a modification (not illustrated), a male screw continuous with the first male screw portion 11 and the second male screw portion 12 may be formed on the surface of the central portion 15.

  As a modification not shown, an annular step may be formed at the boundary between the third male screw portion 13 and the boundary portion 17. Similar to the step 20 described above, such a step may contact the tip of the female thread portion of the cleaning tool body over the entire circumference. Thereby, the connection of the adapter 10 and the cleaning tool main body 50 can be strengthened.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range as the present invention or within an equivalent range. For example, a part of the configuration may be extracted from the above-described one embodiment, another part of the configuration may be extracted from the above-described other embodiments, and these extracted configurations may be combined.

  The present invention is advantageously used in cleaning tools.

10 adapter, 11 first male thread part, 12 second male thread part,
13 Third male thread part, 14 Fourth male thread part, 15 Center part,
16, 19, 20 Step, 21 Bottomed hole, 30 Handle side member,
31 handle body, 32 one end region, 33 other end region,
34 Female thread part, 40, 50 Cleaning tool body,
41,51 Internal thread part, 52 Protrusion.

Claims (8)

A screw-type adapter that removably connects the handle and the cleaning tool body,
In the center,
A first male screw portion erected at the central portion;
A second male screw portion standing on the central portion and having the same outer diameter as the first male screw portion;
A third male screw portion extending at the tip of the first male screw portion and having an outer diameter smaller than that of the first male screw portion;
An adapter comprising: a fourth male screw portion extending from a tip of the second male screw portion and having an outer diameter smaller than that of the third male screw portion.   The adapter according to claim 1, wherein the adapter extends linearly from the third male screw portion to the fourth male screw portion.   The adapter according to claim 1 or 2, wherein an axial length of the fourth male screw portion is longer than an axial length of the second male screw portion.   The adapter according to any one of claims 1 to 3, wherein a pitch interval and a height of a screw thread of the fourth male screw part are larger than a pitch interval and a height of a screw thread of the second male screw part.   The adapter according to any one of claims 1 to 4, wherein an outer diameter of the third male screw portion is tapered so that the outer diameter gradually decreases as the distance from the first male screw portion increases.   The adapter according to any one of claims 1 to 5, wherein a step is formed between the third male screw portion and the first male screw portion and / or between the fourth male screw portion and the second male screw portion. . A cross-sectional shape of the central portion is larger than an outer diameter of a thread of the first male screw portion and the second male screw portion;
The adapter according to any one of claims 1 to 6, wherein a step is formed between the first male screw portion and the central portion, and between the second male screw portion and the central portion.   The adapter according to any one of claims 1 to 6, wherein a male screw continuous with the first male screw part and the second male screw part is formed on a surface of the central part.

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