JPH10151058A - Connector for pipe members, mop set and clothing-drying pole using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector for pipe members, mop set and clothing-drying pole using the same with which satisfactory load resistance can be applied to the connected sections of mutually connected pipe members. SOLUTION: This device is provided with a male screw member 30 forming a male screw part 31 at one end part while inserting and fitting the other end part into a pipe member 7, female screw member 32 forming a female screw part 33 to be inserted/fitted into the pipe member and to screw the male screw part 31 on its inner surface, and cylindrical member 34 for covering the outer periphery of screwed and connected sections when the male screw part 31 of male screw member 30 and the female screw part 33 of female screw member 32 are mutually screwed and connected. It is preferable that the cylindrical member 34 is formed integrally with the male screw member 30 or the female screw member 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe connecting device for connecting pipes to each other, and to a mop set and a clothesline using the same. In this specification, the meaning of the term "drying rod" is not only used for drying clothes and the like after washing, but also for sorting and storing clothes and the like, such as rods and poles used for storing. Also includes things.

[0002]

2. Description of the Related Art Conventionally, there are a mop and a clothesline as household goods using a pipe material. Usually, these products require a length of at least about 1 m,
When these products are transported to a store or the home of a purchaser, the handling is inconvenient, and the length of the products increases the transport cost. Also, when these products are displayed in a store at a store or the like, the handling of the products is inconvenient due to restrictions on display shelves and the like.

[0003] In view of the above, pipe members having a length that does not cause inconvenience in handling as described above can be connected to each other by using a connecting device. A method is used in which the pipes are connected to use the product at the stage where the product is transported and displayed, and the buyer uses the product.

[0004] As the above-mentioned connecting device, there is one as shown in FIGS. 8 and 9. The connecting device 1 shown in FIG. 8 has a main body 10 having an outer diameter substantially the same as the inner diameter of the pipe material 15.
And a flange portion 11 extending from the outer surface of the central portion of the main body portion 10 to the outside. The both ends of the main body portion 10 are inserted and fitted into pipe members 15, 15. The pipe members 15 are connected to each other. The connecting device 2 shown in FIG.
A male screw member 20 having an external thread portion 21 at the other end and a female screw 20 having one end inserted and fitted into the pipe member 15 and the other end screwed to the male thread portion 21. A female screw member 22 having a portion 23 is provided. One end of each of the male screw member 20 and the female screw member 22 is inserted and fitted into the pipe members 15, 15, and the male screw portion is fitted to the female screw portion 23. The pipe members 15 are connected to each other by screwing 21.

[0005]

However, when the pipe members 15, 15 are connected by using the connecting device 1 shown in FIG. 8, when the bending moment acts on the pipe member 15, the pipe member Since the load concentrates on the peripheral edge of the front end of the connection portion 15, most of the load input at the peripheral edge of the front end must be received. Therefore, when the pipe members 15 are connected to each other using the connecting device 1 having the above configuration, the leading edge of the connecting portion of the pipe members 15 is easily damaged or broken by a bending moment acting on the pipe members.

When the pipe members 15, 15 are connected by using the connecting device 2 shown in FIG.
5 when a bending moment acts on 5
The load concentrates on the screw connection portion of No. 5. Therefore, when a bending moment is repeatedly applied to the pipe members 15 connected by using the connecting device 2 having the above-described configuration, there occurs a problem that the screw connection portion is loosened,
Each time, the screw connection portion must be retightened, which is inconvenient.

The present invention has been conceived in view of the above circumstances, and has an object to provide a pipe material connecting device capable of providing a good load-bearing property to a connecting portion of mutually connected pipe materials. Another object of the present invention is to provide a mop set and a clothesline using the same.

[0008]

DISCLOSURE OF THE INVENTION In order to solve the above problems, the present invention employs the following technical means.

That is, according to a first aspect of the present invention, there is provided a pipe member connecting device comprising: a male screw member having one end inserted and fitted into the pipe member and having a male screw portion formed at the other end; A female screw member formed with a female screw portion on the inner surface of which the male screw portion is screwed, and a male screw portion of the male screw member and a female screw portion of the female screw member are threadably connected to each other. And a tubular member that covers the outer periphery of the screw connection portion.

Preferably, the cylindrical member has an inner diameter substantially the same as the outer diameter of the pipe material, and covers the outer periphery of the threaded connection portion. A gap substantially equal to the thickness of the pipe material is formed between the pipe and the outer surface.

That is, the pipe member connecting device is formed such that one end portions of the male screw member and the female screw member are inserted and fitted into the pipe member, and are formed between the male screw member and the outer surface of the female screw member. The pipe members are connected to each other by inserting the pipe members into the gaps.

Therefore, the connecting device screw-connects the pipe members to each other by the male screw member and the female screw member, and reinforces the connecting portion of the pipe material by covering the outer periphery of the screw connecting portion with the cylindrical member. It is configured to be.

For this reason, even if a bending moment acts on the connecting portion of the pipe material, the input load is not only covered by the peripheral edge of the connecting portion of the pipe material but also by the tubular member of the pipe material. Since it is distributed over the entirety of the pipe member and also on the tubular member, the load resistance of the connection part with respect to the load input to the pipe material is remarkably improved.

Preferably, an inward flange extending toward the axis is formed on the inner surface of the tubular member so as to extend therefrom. The inward flange is connected to the male screw portion of the male screw member and the female screw portion of the female screw member. May be configured to be held between the base end edge of the male screw portion and the front end edge of the female screw portion when screwed together.

According to such an apparatus for connecting pipe members,
There is no need to separately provide a means for holding and fixing the cylindrical member, and the cylindrical member can be held and fixed by screwing and connecting the male screw portion of the male screw member and the female screw portion of the female screw member to each other. .

Preferably, the cylindrical member is formed integrally with the male screw member or the female screw member.

In such a pipe connecting device, since the tubular member is formed integrally with the male screw member or the female screw member, the pipe member connecting device is compared with a case where the tubular member is formed separately. The number of parts is reduced, and there is no need to manage and store the tubular member again, which is convenient.

A mop set according to a second aspect of the present invention includes a plurality of pipe members which can be screwed and connected to each other by using the pipe member connecting device according to the first aspect of the present invention; And a mop body for pressing and moving the floor surface to clean the floor surface while being connected to one end of the pipe member.

The above-described mop set includes a plurality of pipe members which can be screwed and connected to each other by using the pipe member connecting device according to the first aspect of the present invention.
The effect of the pipe member connecting device according to the side surface can be enjoyed.
In addition, since the above-mentioned mop set uses a plurality of pipe members of a predetermined length connected to each other, it is possible to extremely compactly package by selecting the length of each pipe member. It is convenient for carrying the set or displaying it in the store.

A clothesline according to a third aspect of the present invention comprises:
The present invention is characterized in that a plurality of pipe members that can be mutually screwed and connected to each other using the pipe member connection device according to the first aspect of the present invention are provided.

Since the clothesline includes a plurality of pipe members which can be screwed and connected to each other by using the pipe member connecting device according to the first aspect of the present invention, The effect of such a connecting device for pipe materials can be enjoyed. In addition, since the clothespin is used by connecting a plurality of pipes of a predetermined length, it is possible to extremely compactly package by selecting the length of each pipe. It is convenient for transporting rods or displaying in stores. Normally, a large bending moment acts on a clothesline in use, and a large load is concentrated on the connecting portion of the pipe members. For this reason, the above-mentioned connecting device is suitable as connecting means of pipe materials used for applications such as a clothesline.

According to a fourth aspect of the present invention, there is provided an apparatus for connecting a pipe member, comprising: a fitting member having an outer diameter substantially equal to the inner diameter of the pipe member; And a reinforcing member having an inner diameter substantially equal to the outer diameter of the pipe material,
The reinforcing member is provided at a central portion of the fitting member through a gap substantially equal to a thickness of the pipe material between the reinforcing member and the outer surface of the pipe material so as to cover the central portion of the fitting member. Yes,
It is characterized in that both ends of the fitting member are inserted and fitted into a pipe material, and the pipe material is inserted into a gap formed between an outer surface of the fitting member and an inner surface of the reinforcing member. And

[0023] Since such a connecting device for pipe material is configured so as to cover the outer periphery of the connecting portion of the pipe material by the reinforcing member and to reinforce the connecting portion of the pipe material, a bending moment with respect to the pipe material is reduced. Even in the case of acting, the input load is distributed not only at the peripheral edge of the connecting portion of the pipe material but also over the entire portion of the pipe material covered by the reinforcing member, Is also dispersed, so that the load resistance of the connection portion with respect to the load input to the pipe material is significantly improved.

[0024] Other features and advantages of the present invention will become more apparent from the detailed description given below with reference to the accompanying drawings.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is an exploded perspective view of a pipe connecting device 3 according to a first embodiment of the present invention, and FIG. 2 is a sectional view of the connecting device 3 in a connected state.

As shown in FIGS. 1 and 2, the connecting device 3 comprises a male screw member 30 and a female screw member 32 which are screwed and connected to each other, and the male screw member 30 and the female screw member 32 mutually screwed together. And a cylindrical member 34 that covers the outer periphery of the screw connection portion when connected.

The male screw member 30 has one end having an outer diameter substantially equal to the inner diameter of the pipe member 7 and the other end having the male screw 3
1 is formed. An outward flange 36 extending in a radially outward direction is formed at the base end of the male screw portion 31 so as to extend therefrom.

The female screw member 32 has an outer diameter substantially equal to the inner diameter of the pipe member 7, and has an inner surface on which the male screw member 30 is formed.
The female screw part 33 to which the male screw part 31 is screwed is formed. Further, an outward flange 37 extending radially outward is formed at an end of the female screw member 32.

The cylindrical member 34 is provided with the male screw member 30.
And it is formed in a cylindrical shape having a diameter larger than the outer diameter of the female screw member 32 and having an inner diameter substantially the same as the outer diameter of the pipe member 7, and from the inner surface at the center toward the axis. An extending inward flange 35 is formed to extend.

As shown in FIG. 2, the inward flange 35 of the tubular member 34 is connected to the male thread 31 of the male thread 30 and the female thread 33 of the female thread 32 by screwing. The outer flanges 36 and 37 are configured so as to be squeezed and held between the side surfaces thereof.

In this state, between the outer surface of each of the male screw member 30 and the female screw member 32 and the inner surface of the cylindrical member 34, a thickness substantially equal to the thickness of the pipe members 7, 7 is provided. The gaps are respectively formed.

Normally, the pipe connecting device 3 configured as described above is used as follows. First, one ends of the male screw member 30 and the female screw member 32 are inserted and fitted into the pipe members 7,7, respectively. Next, the cylindrical member 34 is connected to the male screw member 30 or the female screw member 3.
2 so as to cover it. At this time, since the outward flanges 36 and 37 are formed on both the male screw member 30 and the female screw member 32, and the inward flange 35 is formed on the tubular member 34, any of the members 30, 32 is formed. Even when the tubular member 34 is hooked on the pipe member 34, the tubular member 34 does not inadvertently move on the surface of the pipe member 7. Subsequently, the male screw part 31 of the male screw member 30 is screwed into the female screw part 33 formed on the female screw member 32.

The connecting portion of the pipe members 7, 7 screwed to each other in this manner is covered with the tubular member 34, and the connecting portion is reinforced.

For this reason, even if a bending moment acts on the pipe members 7, the load input due to the bending moments is caused not only at the distal end edges of the connecting portions of the pipe members 7, but also on the pipe members 7. , 7 are dispersed over the entire portion covered by the cylindrical member 34 and the cylindrical member 34
Therefore, the load resistance of the connection portion with respect to the load input to the pipe member 7 is significantly improved.

FIG. 3 is a cross-sectional view of a pipe member connecting device 4 according to a second embodiment of the present invention in a connected state.

The basic structure of the pipe connecting device 4 according to the present embodiment is substantially the same as the pipe connecting device 3 according to the first embodiment described above. That is, the connecting device 4 according to the present embodiment is configured such that when the male screw member 40 and the female screw member 41 are mutually screwed and connected to each other, the male screw member 40 and the female screw member 41 are screwed together. And a cylindrical member 42 that covers the outer periphery of the connecting portion. The connection device 4 is different from the pipe connection device 3 according to the first embodiment in that the tubular member 34 formed separately in the first embodiment is different from the female screw member 41 in the present embodiment. This is the point that is formed integrally with

The cylindrical member 42 integrally formed with the female screw member 41 has the same function as the cylindrical member 34 formed separately, that is, the same function and effect. Therefore, the pipe connecting device 4 according to the present embodiment can enjoy the effects of the pipe connecting device 3 according to the first embodiment described above.

Further, since the tubular member 42 is integrally formed with the female screw member 41, the number of components of the connecting device 4 is reduced, so that it is not necessary to manage and store the tubular member 42 again. It is convenient.

FIG. 4 is a sectional view of a pipe member connecting device 5 according to a third embodiment of the present invention in a connected state.

The basic structure of the pipe connecting apparatus 5 according to the present embodiment is substantially the same as the pipe connecting apparatus 3 according to the first embodiment described above. That is, the connecting device 5 according to the present embodiment is configured such that when the male screw member 50 and the female screw member 51 are mutually screwed and connected to each other, the male screw member 50 and the female screw member 51 are screwed together. A cylindrical member 52 that covers the outer periphery of the connecting portion. The connection device 5 is different from the pipe connection device 3 according to the first embodiment in that the cylindrical member 34 formed separately in the first embodiment is different from the male screw member 50 in the present embodiment. This is the point that is formed integrally with

The cylindrical member 52 integrally formed with the male screw member 50 has the same role as the cylindrical member 34 formed as a separate body, that is, has the same functions and effects.
The same effect can be obtained as in the case where the female screw member 41 is integrally formed as in the above-described second embodiment. Therefore, the pipe member connecting device 5 according to the present embodiment can provide the same effects as the effects of the pipe member connecting device 4 according to the second embodiment described above.

FIG. 5 is a sectional view of a pipe member connecting device 6 according to a fourth embodiment of the present invention in a connected state.

The pipe connecting device 6 according to the present embodiment.
Is a fitting member 60 having an outer diameter substantially the same as the inner diameter of the pipe members 7, 7, and an inner diameter larger than the outer diameter of the fitting member 60 and substantially equal to the outer diameter of the pipe member. Reinforcing member 61 having
And is provided.

The reinforcing member 61 is integrally formed at the center of the fitting member 60 so as to form a gap between the outer surface of the fitting member 60 and the thickness of the pipe members 7. It is provided in.

That is, the pipe members 7, 7 are inserted into the gaps formed as described above, and the fitting members 60 are inserted.
The pipe members 7, 7 are connected to each other by inserting and fitting both ends of the pipe members 7, 7.

Therefore, the reinforcing member 61 is formed by the cylindrical members 34 and 4 in the first to third embodiments described above.
Since the reinforcing member 61 is formed integrally with the fitting member 60, the tubular member 42 according to the second embodiment is integrally provided. It is also possible to enjoy the effect of this.

The reinforcing member 61 does not necessarily need to be formed integrally with the fitting member 60, and may be constituted by two parts capable of fitting and connecting the fitting member 60 to each other.

FIG. 6 is a plan view showing a mop set 8 using a pipe connecting device 4 according to a second embodiment of the present invention, and FIG. 7 is an overall view of a state where the mop set 8 is assembled. It is a perspective view.

As shown in FIG.
Are connected to pipe members 70 and 71 which can be connected to each other by the connecting device 4 and an end of one of the pipe members 71, and a mop body 80 for pressing and moving the floor surface to clean the floor surface. It is provided with.

One end of the pipe member 70 is connected to the closing member 8.
2, the other end of which has an internal thread (not shown) on the inner surface and a cylindrical member 42.
The female screw member 41 integrally formed is inserted and fitted. A male screw member 40 having a male screw part 43 screwed into the female screw part is inserted and fitted into one end of the pipe member 71, and a female screw part (not shown) is formed on the inner surface at the other end. Is inserted and fitted.

A universal joint 81 is attached to the center of the mop body 80. The universal joint 81 is screwed into a joint 83 inserted and fitted to the other end of the pipe member 71. It is configured to be connected.

The mop set 8 is used as a mop 8 'in a state as shown in FIG.

Since the mop set 8 is used by connecting pipe members 70 and 71 of a predetermined length, the mop set 8 is packaged extremely compactly by selecting the length of each of the pipe members 70 and 71. This is convenient for carrying the mop set or displaying it in a store.

Needless to say, the connecting device 4 for the pipe members 70 and 71 used in the mop set 8 may be the connecting device for pipe members according to any of the above-described embodiments.

Further, the connection between the mop body 80 and the pipe member 71 is not limited to the means of the present embodiment, and various design changes can be made.

In addition, a plurality of pipe members can be connected to each other using the above-mentioned connecting device to be used as a clothesline.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a pipe member connecting device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the connecting device in a connected state.

FIG. 3 is a cross-sectional view of a pipe member connecting device according to a second embodiment of the present invention in a connected state.

FIG. 4 is a cross-sectional view of a pipe member connecting device according to a third embodiment of the present invention in a connected state.

FIG. 5 is a cross-sectional view of a pipe member connecting device according to a fourth embodiment of the present invention in a connected state.

FIG. 6 is a plan view illustrating a mop set using the pipe connection device according to the present invention.

FIG. 7 is an overall perspective view showing a state where the mop set is assembled.

FIG. 8 is an explanatory diagram of a conventional example.

FIG. 9 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 3,4,5,6 Pipe material coupling device 7,70,71 Pipe material 8 Mop set 30,40,50 Male screw member 31,43,53 Male screw part 32,41,51 Female screw member 33,44,54 Female screw part 34 42, 52 Cylindrical member 35 Inward flange 60 Fitting member 61 Reinforcement member 80 Mop body

Claims (8)

[Claims] A male screw member having one end inserted and fitted into a pipe material and another end formed with a male screw portion, and a male screw member inserted and fitted into the pipe material, and the male screw portion is screwed on an inner surface. A female screw member having a female screw portion to be combined, and a cylindrical member that covers the outer periphery of the screw connection portion when the male screw portion of the male screw member and the female screw portion of the female screw member are screwed together. A connection device for pipe material, comprising: 2. The cylindrical member has an inner diameter substantially equal to the outer diameter of the pipe material, and covers the outer periphery of the threaded connection portion, and is provided outside the male screw member and the female screw member. The pipe material connecting device according to claim 1, wherein a gap substantially equal to the thickness of the pipe material is formed between the pipe material and the surface. 3. An inward flange extending toward an axis extends from an inner surface of the tubular member.
A connecting device for a pipe material according to claim 1. 4. The inward flange is configured such that when a male screw part of the male screw member and a female screw part of the female screw member are mutually screwed and connected to each other, a base end edge of the male screw part and a distal end edge of the female screw part are connected. The pipe connection device according to claim 3, wherein the pipe member is held between the pipes. 5. The pipe connecting device according to claim 2, wherein the tubular member is formed integrally with the male screw member or the female screw member. 6. A plurality of pipe members that can be screwed and connected to each other by using the pipe member connecting device according to any one of claims 1 to 5, and connected to one end of the screwed pipe members. And a mop body for pressing and moving the floor surface to clean the floor surface. 7. A clothesline comprising a plurality of pipe members which can be screwed and connected to each other by using the pipe member connecting device according to claim 1. 8. A fitting member having an outer diameter substantially equal to the inner diameter of the pipe member, and a reinforcement having a larger diameter than the outer diameter of the fitting member and an inner diameter substantially equal to the outer diameter of the pipe member. A reinforcing member, wherein the reinforcing member covers a central portion of the fitting member and an outer surface of the pipe material, and a gap substantially equal to the thickness of the pipe material is provided therebetween. It is provided in the center,
It is characterized in that both ends of the fitting member are inserted and fitted into a pipe material, and the pipe material is inserted into a gap formed between an outer surface of the fitting member and an inner surface of the reinforcing member. A connecting device for pipe material.