JP2020065618A - Chain mounting structure - Google Patents

Abstract

To improve work efficiency and to improve work safety with respect to a chain mounting structure.SOLUTION: A plug body 1 and a fixing member 5 have attaching parts 3 to which a chain 4 is attached. The attaching parts 3 have cylindrical parts 31 and form groove parts 32 which are wide enough for engaging parts 42 of the chain 4 to be inserted downward from an upper end. The cylindrical parts 31 form elastic claws 33 in the groove part 32. In attaching the chain 4, the engaging parts 42 of the chain 4 are inserted into the groove parts 32 to engage the engaging parts 42 and the elastic claws 33.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chain attachment structure that connects a plug member that closes a drainage port and a fixing member.

A drainage port is formed in the bottom of a bath such as a wash basin or a bathtub, and the plug can be attached to and detached from the drainage port to store or drain hot water.
The plug body has a main body made of an elastic member such as rubber and a mounting portion made of a resin material such as PP or POM. The mounting portion projects upward from the plug body, and a through hole is formed in the side surface.
The chain is a chain made of stainless steel and has a double ring at the end. The double ring is a double ring body made of stainless steel, and is provided at one end or both ends of the chain.

  When installing the above-mentioned plug and chain, open the double ring using pliers or jigs, insert the end into the through hole of the attachment part, and push it while rotating the double ring. To do.

  The chain mounting structure is not limited to the mounting of the plug and the chain, but is also used for mounting of the fixing member holding the plug.

JP, 2004-202089, A

  The above-mentioned conventional chain mounting structure is complicated because the work is performed while expanding the double ring to the extent that it can be inserted into the through hole, and the working speed varies depending on the skill level of the operator. In addition, the worker may be injured by the double ring during the installation work.

  In view of the above problems, the present invention relates to a chain mounting structure, and an object thereof is to improve work efficiency and work safety.

The present invention according to claim 1 is a chain mounting structure for connecting a plug member for closing a drainage port and a fixing member,
An engaging portion formed at the end of the chain,
With a mounting portion formed on the plug body or the fixing member,
The chain mounting structure is characterized in that the mounting portion has an elastic claw that engages with the engagement portion.

In the present invention according to claim 2, the mounting portion is
The engaging portion has a groove through which it can be inserted,
The chain attachment structure according to claim 1, wherein the elastic claw is formed in the groove.

In the present invention according to claim 3, the mounting portion is
The chain attachment structure according to claim 1 or 2, wherein an operation port for releasing the engagement between the elastic claw and the engagement portion is formed.

In the present invention according to claim 4, the mounting portion is
4. The retaining structure for preventing the engaging portion from coming out when a force is applied in a direction of separating the chain from the stopper or the fixing member, according to any one of claims 1 to 3. It is the mounting structure of the described chain.

In the present invention according to claim 5, the retaining structure is
5. The guide portion, which guides the engaging portion to the base side of the elastic claw when a force is applied in the direction of separating the chain from the stopper or the fixing member, according to claim 1 or 4. It is the attachment structure of the chain described in one.

In the present invention according to claim 6, the mounting portion is
The attachment of a chain according to any one of claims 1 to 5, which is provided in a plug for closing the drainage port, and the plug is a rubber plug mounted on the drainage port. It is a structure.

In the present invention according to claim 7, the mounting portion is
The chain mounting structure according to any one of claims 1 to 5, wherein the chain is provided in the fixing member, and the fixing member is a heaton arranged near the drainage port.

  According to the present invention, the chain mounting structure can be simplified and the working speed can be stabilized regardless of the skill level of the worker. In addition, the worker can work safely.

It is sectional drawing which shows the attachment structure of the chain of this invention. It is a perspective view which shows the attachment structure of the chain of this invention. It is an exploded sectional view showing a stopper. It is a sectional view showing an attachment part. It is sectional drawing which shows the mounting process of a chain. It is sectional drawing which shows the state which pulled the chain from the attachment completion state. It is sectional drawing which shows the attachment structure of the chain which concerns on 2nd embodiment.

  Hereinafter, the chain mounting structure of the present invention will be described with reference to the drawings. The invention described below is for facilitating the understanding of the embodiments, and the invention is not limited to the understanding.

  As shown in FIGS. 1 and 2, the present invention relates to a structure for attaching a chain that is attached to a tank body 100 of a wash basin. In addition, the tank body 100 has a box shape with an open upper side, and the tank body 100 can store or discharge hot water inside by attaching and detaching the plug body 1 to and from the drain port formed at the bottom. Become. Further, a faucet (not shown) and a fixing member 5 are arranged on the edge portion 101 of the tank body 100, and the stopper body 1 and the fixing member 5 are connected by a chain 4.

  As shown in FIG. 3, the plug body 1 is a rubber plug composed of a main body portion 2 and a mounting portion 3.

The main body 2 is made of an elastic material such as rubber and has a conical shape with a downward diameter reduction and a substantially trapezoidal shape in cross section, and a cylindrical opening penetrating the main body 2 in the vertical direction at the center thereof. 21 is formed.
An inner flange portion 22 is formed at the upper end of the opening 21, and the mounting portion 3 is inserted from below. In addition, when the mounting portion 3 is inserted, the outer surface of the mounting portion 3 and the inner surface of the opening 21 are in watertight contact with each other, and hot and cold water passes between the mounting portion 3 and the main body portion 2. There is no. Moreover, the inserted mounting portion 3 is prevented from coming off by the inner flange portion 22.

As shown in FIG. 4, the mounting portion 3 has a cylindrical tubular portion 31, and a groove portion 32 having a width that allows the engagement portion 42 of the chain 4 to be inserted therethrough is formed downward from the upper end. ing. Note that, as shown in FIG. 4B, the groove portion 32 divides the tubular portion 31 into two semi-cylindrical tubular portions 31a and 31b in plan view. Further, the tubular portion 31a has an elastic claw 33 formed in the groove portion 32, and an operation port 35 is opened on the side surface of the tubular portion 31b.
The elastic claw 33 is provided so as to project obliquely downward from the tubular portion 31a toward the tubular portion 31b, and its end is exposed from the operation port 35 in a side view. Further, the elastic claw 33 has a guide portion 34 as a retaining structure on its lower surface. The guide portion 34 is an inclined surface formed from the end portion of the elastic claw 33 toward the root side, and the engaging portion 42 of the chain 4 when a force is applied in a direction of separating the attached chain 4 from the attaching portion 3. Is guided to the base side of the elastic claw 33.
The operation port 35 is an opening formed on the side surface of the tubular portion 31b at a position facing the elastic claw 33, and is formed at a position where the elastic claw 33 is exposed.

The chain 4 is a ball chain in which a plurality of ball-shaped portions 41 are connected, and has engaging portions 42 at both ends thereof.
The engagement portion 42 is a thin metal plate having openings formed at both ends and slits formed in the axial direction from the openings, and the ball-shaped portion 41 is inserted through the openings formed at both ends. Then, it is attached by being bent so that the openings at both ends are brought into contact with each other.

The fixing member 5 is a heaton made of a tubular member arranged at the edge portion 101 of the tank body 100, and has a mounting portion 3 and a male screw portion formed below the mounting portion 3.
The mounting portion 3 has the same shape as the mounting portion 3 of the plug body 1, and has a tubular portion 31, a groove portion 32, elastic claws 33, and an operation port 35.

  As described above, the plug body 1 and the fixing member 5 have the mounting portion 3 having the same shape, and the chain 4 is mounted via the mounting portion 3. Therefore, in the following description regarding attachment and detachment of the chain 4, the plug 1 and the fixing member 5 will be described together.

  When attaching the chain 4, the engaging portion 42 of the chain 4 is inserted into the groove 32, and the engaging portion 42 and the elastic claw 33 are engaged with each other. The engagement will be described in detail. As shown in FIG. 5B, when the engaging portion 42 is inserted into the groove 32, the end portion of the engaging portion 42 comes into contact with the upper surface of the elastic claw 33, and the elastic claw 33 is pressed. Push 33 downward. Then, when a space is formed between the elastic claw 33 and the tubular portion 31b so that the engaging part 42 can pass through, the engaging part 42 rides over the elastic claw 33 and is arranged at the lower end of the groove 32. When the engaging portion 42 is arranged at the lower end of the groove 32, the elastic claw 33 is restored by its own elastic force, and the engaging portion 42 cannot pass between the elastic claw 33 and the tubular portion 31b. By doing so, the attachment of the chain 4 is completed.

  When the chain 4 is pulled and a force is applied in a direction of separating the chain 4 from the mounting portion 3 in the mounting completed state, the engaging portion 42 contacts the guide portion 34 formed on the lower surface of the elastic claw 33. At this time, stress is applied to the elastic claw 33 by the guide part 34 in a direction opposite to the direction in which the engagement with the engaging part 42 is released, and the engaging part 42 is guided to the base side of the elastic claw 33. Therefore, the engaging portion 42 does not come off from the mounting portion 3.

  On the other hand, when the mounting portion 3 and the chain 4 are separated from each other, the elastic claw 33 is pressed toward the cylindrical portion 31a side from the operation port 35 of the cylindrical portion 31b using a precision screwdriver or the like, and the elastic claw 33 is moved toward the base side. By pushing back to, a space through which the engaging portion 42 can pass is formed between the tubular portion 31b and the elastic claw 33. Then, by pulling the engaging portion 42 upward through the space, the attaching portion 3 and the chain 4 can be separated.

  In the chain attachment structure of the present invention, the attachment can be performed simply by inserting the engaging portion 42 into the groove 32 of the plug 1 or the fixing member 5. Therefore, unlike the conventional mounting structure, a complicated process of expanding the double ring by using pliers or a jig is not required, productivity is improved, and injury due to the double ring can be prevented. . Further, since the double ring is not necessary in the first place, the number of members can be reduced. Further, even if a force is applied in the direction of separating the chain 4 from the plug 1 or the fixing member 5, the guide portion 34 does not separate the engaging portion 42 of the chain 4 from the plug 1 or the fixing member 5. Absent. On the other hand, when the plug 1 or the fixing member 5 and the chain 4 are separated, it is possible to easily perform the separating work by using the operation port 35.

  The present invention is not limited to the shape of the above embodiment, and various modifications may be made without departing from the scope of the invention. For example, like the second embodiment shown in FIG. 7, the ball-shaped portion 41 of the chain 4 may also serve as the engagement portion 42. In this case, since it is not necessary to separately provide the chain 4 with the engaging portion 42, the number of members can be further reduced.

Further, in the above-mentioned embodiment, the chain mounting structure relates to the mounting of the stopper or fixing member used for the washbasin and the chain, but the stopper or fixing member used for the bathtub or kitchen sink and the chain May be related to the installation of.
Further, in the above-described embodiment, the plug is a rubber plug having a main body made of an elastic member, but a water blocking packing may be fitted to the main body made of a resin member. Similarly, although the fixing member is the heaton in the above-described embodiment, it may be any member for holding the plug body, and the place where the fixing member is arranged is not limited at all.

  The material of the mounting portion and the engaging portion does not matter. That is, the elastic claw may be made of a metal material or rubber. Regarding the material, the structure may be made of a plurality of materials, such as only the elastic claw being made of a different material.

DESCRIPTION OF SYMBOLS 1 Plug body 2 Main body part 21 Opening 22 Inner collar part 3 Attachment parts 31, 31a, 31b Cylindrical part 32 Groove part 33 Elastic claw 34 Guide part 35 Operation port 4 Chain 41 Ball-shaped part 42 Engagement part 5 Fixing member 100 Tank body 101 Edge

Claims (7)

A structure for mounting a chain that connects a plug member that blocks a drainage port and a fixing member,
An engaging portion formed at the end of the chain,
With a mounting portion formed on the plug body or the fixing member,
The chain attachment structure, wherein the attachment portion has an elastic claw that engages with the engagement portion. The mounting portion is
The engaging portion has a groove through which it can be inserted,
The chain mounting structure according to claim 1, wherein the elastic claw is formed in the groove. The mounting portion is
The chain attachment structure according to claim 1 or 2, wherein an operation port for releasing the engagement between the elastic claw and the engagement portion is formed. The mounting portion is
4. The retaining structure for preventing the engaging portion from coming out when a force is applied in a direction of separating the chain from the stopper or the fixing member, according to any one of claims 1 to 3. The chain mounting structure shown. The retaining structure is
5. The guide portion, which guides the engaging portion to the base side of the elastic claw when a force is applied in the direction of separating the chain from the stopper or the fixing member, according to claim 1 or 4. Chain mounting structure described in one. The mounting portion is
The attachment of a chain according to any one of claims 1 to 5, which is provided in a plug for closing the drainage port, and the plug is a rubber plug mounted on the drainage port. Construction. The mounting portion is
The chain mounting structure according to any one of claims 1 to 5, wherein the chain is provided on the fixing member, and the fixing member is a heaton arranged near the drainage port.

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