JP2003120862A - Clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clamp with a vibration absorbing function in a condition that a clamp body and a fixed body can be firmly connected. SOLUTION: This clamp is provided with a clamp body 1 having an inserting part 11 capable of receiving a long member W from its side part in a fitted state, and the fixed body 2 having a latching part 22 to the clamp body 1, and a mounting part 23 to a mounted subject P of the long member W. The latching part 22 and the mounting part 23 of the fixed body 2 are made of a hard synthetic resin, and a vibration absorbing layer 24 made of a soft synthetic resin is mounted between the latch part 22 and the mounting part 23 of the fixed body 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention transmits a long object such as a wiring or a pipe to an object to which the long object is placed by mechanical vibration generated on the object. Not to
Alternatively, the present invention relates to improvement of a clamp used for mounting in a state where mechanical vibration generated on the object side is not transmitted to the long object side.

[0002]

2. Description of the Related Art A holding body for holding a rod-shaped body, a fixed body for connecting the holding bodies to each other and being fixed to a panel side, and a vibration absorber having a box shape to be inserted into a box portion of the fixed body, There is a vibration-proof clip in which a connecting plate of a holding body is laterally fitted into a vibration absorbing body inserted in a box portion of a fixed body. (Japanese Unexamined Patent Publication No. Hei 9
(See -303621)

[0003]

However, such a conventional clip (clamp) requires three parts, that is, a holding body, a fixed body, and a vibration absorbing body which are separate bodies.

Further, since the holder is connected to the fixed body by inserting the connecting plate inside the vibration absorber, it is difficult to firmly connect the holder and the fixed body. Not only was it necessary to insert the connecting plate of the holder into the vibration absorber from the side during the connecting work, but also it was difficult to give a feeling of moderation to the connecting work.

Therefore, in the present invention, this type of clamp is composed of two parts, that is, a clamp body for holding an elongated object and a fixed body having a mounting portion for attaching the elongated object to an object to be disposed. The main purpose of this type of clamp is to give a vibration absorbing function in a state where the body and the fixed body can be firmly connected.

[0006]

In order to achieve the above object, in the invention described in claim 1, the clamp has the following constitutions (1) to (5). (1) A clamp for long objects such as wiring and piping,
(2) A clamp body having a fitting portion that receives the long object in a fitting manner from the side thereof, (3) an engaging portion with the clamp body, and a mounting portion to the object on which the long object is disposed. And (4) the engaging portion and the attaching portion of the fixing body are made of hard synthetic resin, and (5) the engaging portion and the attaching portion of the fixed body. A vibration absorbing layer made of a soft synthetic resin is provided between them.

According to this structure, the two parts, the clamp body and the fixed body, prevent the mechanical vibration generated on the long object side from being transmitted to the arranged object side by the vibration absorbing layer as much as possible. In addition, it is possible to absorb the mechanical vibration generated on the side of the object to be arranged and prevent it from being transmitted to the long object side as much as possible.

Further, since the engaging portion of the fixed body is made of a hard synthetic resin, the engaging of the fixed body and the clamp body can be firmly secured, and the mounting portion of the fixed body is also hard. Since it is made of synthetic resin, it is possible to firmly secure the attachment state between the fixed body and the object to be arranged.

[0009] Further, by engaging a clamp body holding a long object by a fitting portion with a fixed body previously attached to the object to be arranged, the long object is placed. It can also be used to attach to a long object, and this attachment of a long object can be performed in the most easy manner. Further, when it is required to change the number of long objects with different diameters or long objects to be held, the size and number of the fitting parts of the clamp body can be changed without changing the shape of the fixed body. This change can meet these demands, and has the feature that it can contribute to cost reduction of this type of clamp.

In the invention according to claim 2, the fixed body in the clamp according to claim 1 forms a vibration absorbing layer by injection molding using the engaging portion and the attaching portion as inserts, or vibrates. It is characterized in that the engaging portion and the attaching portion are formed by injection molding using the absorption layer as an insert.

According to this structure, a clamp having a vibration absorbing function can be manufactured easily and appropriately.

According to the third aspect of the invention, the mounting portion of the fixed body in the clamp of the first or second aspect is inserted into the mounting hole formed in the object to be disposed. It is characterized in that it has a hooking piece which is hooked in this mounting hole by elastic deformation after being elastically deformed once.

According to this structure, by inserting the mounting portion of the fixed body into the mounting hole of the object to be arranged, the fixed body can be attached to the object to be arranged with one touch.

Further, in the invention according to claim 4, the engaging part of the fixed body in the clamp according to claim 1, claim 2 or claim 3 comprises a pair of elastically deformable walls. On the side of the pair of wall bodies facing the other wall body, as the engaged portion of the clamp body is inserted between the pair of wall bodies, it abuts against the engaged portion and the wall body is removed. A hooking protrusion that is elastically deformed in the direction and that is caught in a hooking recess formed in the hooked portion of the clamp body by the elastic force of the wall body at a position where the hooked portion of the clamp body is fully inserted between the pair of wall bodies. Is formed.

With this structure, the clamp body can be easily and surely engaged with the fixed body. Also,
There is a sense of moderation in the engagement, and workability can be improved.

Further, in the invention according to claim 5, the engaged portion of the clamp body in the clamp according to claim 4 has a head portion and a shaft portion, and the head portion and the shaft portion. It is characterized in that the engaging recess is formed by the dimensional difference.

According to this structure, after the clamp body is engaged with the fixed body, the clamp body can be allowed to rotate about the axis of the shaft portion, and a long object such as wiring or piping can be obtained. It is possible to improve the convenience of setting.

Further, in the invention according to claim 6, the clamp according to claim 5 further has a pair of retaining wall bodies having wall surfaces in a direction intersecting with the wall surfaces of the pair of wall bodies of the fixed body. It is characterized in that the engaged portion of the clamp body is inserted into the surrounding inner side of the pair of wall bodies and the pair of retaining wall bodies.

According to this structure, after the clamp body is engaged with the fixed body, the clamp body is allowed to rotate about the axis of the shaft portion, while the pair of wall bodies are extended. It is possible to prevent the head from coming out from between the pair of wall bodies due to the movement of the head along the installation direction.

Further, in the invention according to claim 7, the wall body is provided outside at least one upper part of the pair of wall bodies of the fixed body in the clamp according to claim 4, claim 5 or claim 6. It is characterized in that an operation piece is formed which enables an operation of elastically deforming in the direction.

According to this structure, after the clamp body is engaged with the fixed body, the operation piece can be grasped or the like to perform an operation of bending one of the pair of wall bodies outward.
Accordingly, the engagement between the engagement protrusion and the engagement recess can be released as necessary to easily separate the clamp body and the fixed body.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION A typical embodiment of the present invention will be described below with reference to FIGS.

Here, FIG. 1 shows the clamp body 1 and the fixed body 2 which constitute the clamp according to this embodiment in a separated state, and FIG. 2 shows the clamp body 1.
In the state in which the long object W is held at the same time, and the fixed body 2 is attached to the object P to be arranged, the state immediately before the two are engaged, and FIG. The combined state is shown as viewed from a direction different from FIG.

FIG. 4 shows one of the variations of the clamp shown in FIGS. 1 to 3 in a state where the clamp body 1 and the fixed body 2 are separated, and FIG. One of the other variations of the clamp shown is shown by representing only the fixed body 2.

The clamp according to this embodiment disposes long objects W such as wiring and piping with respect to an object P to which these long objects W are to be placed, by causing mechanical vibrations on the side of the long object W. It is used for mounting so as not to be transmitted to the object P side, or in a state where mechanical vibration generated on the arranged object P side is not transmitted to the long object W side.

In other words, such a clamp causes such mechanical vibration, typically, various cables and wire harnesses, various pipes and hoses, various rods and the like which compose an automobile, and a long object W such as various rods. It is suitable to be used for mounting on the object P side such as a panel.

Such a clamp has (1) a clamp body 1 having a fitting portion 11 for receiving the elongated object W in a form of a fitting from the side thereof, and (2) a hooking portion 22 to the clamp body 1, and the long member. Mounting part 2 for mounting the scale W on the object P to be arranged
3 and the fixed body 2 having.

(Clamp Body 1) In the example shown in FIGS. 1 to 3, the clamp body 1 is provided with a plurality of fitting portions 11, 11, ... The other side of 10 has a portion 12 to be engaged with the clamp body 1.

The plurality of fitting portions 11, 11 ... Are formed in a groove shape along the width direction of the base 10. Further, the groove-shaped fitting portions 11 are open outward at both groove ends. Further, each of the plurality of groove-shaped fitting portions 11, 11, ... Is formed so as to be substantially parallel to the adjacent fitting portions 11.

Each of the groove-shaped fitting portions 11 is provided with the long object W from the groove opening side.
It is configured to be received in a groove-like shape from the side of the groove and to hold the long object W thus received.

Specifically, each fitting portion 11 has an elastic holding piece 11a on its groove mouth side, which projects obliquely downward from both groove walls forming the groove toward the groove bottom side. And
A pair of elastic holding pieces 11 in one fitting portion 11
The distance between the protruding ends of a and 11a is configured to be slightly smaller than the diameter of the long object W to be held.

As a result, in the example shown in FIGS. 1 to 3, by pressing the side portion of the long object W against the groove opening side of the fitting portion 11, the pair of elastic holding pieces 11a, 11a. Can be elastically deformed in such a direction as to widen the gap between the elastic holding pieces 11a so that the elongated object W can be received on the groove bottom side of the fitting portion 11, and the protruding end of this elastic holding piece 11a is elongated. At the insertion position of the long object W over which the thickest part of the object W has passed, the pair of elastic holding pieces 11a, 11a are elastically returned to prevent the long object W from coming out of the fitting portion 11 again. W can be held in the fitting portion 11 with one touch.

(Fixed Body 2) In the example shown in FIGS. 1 to 3, the fixed body 2 is configured to have a leg portion 21 on one surface side of the plate-shaped main body portion 20. There is.

The fixed body 2 is composed of the main body 2
No. 0 is provided with a hooking portion 22 for the hooked portion 12 of the clamp body 1 on the side opposite to the side on which the leg-shaped portion 21 is formed, and the leg-shaped portion 21 is attached to the object P to be arranged. It is configured to be attached to the object P to be arranged by being inserted into the hole H.

That is, in the example shown in FIGS. 1 to 3, the side on which the leg-shaped portion 21 of the main body portion 20 is formed is the mounting portion 23.

Specifically, in the example shown in FIGS. 1 to 3, the leg-shaped portion 21 is configured to have a hollow cylindrical shaft shape. Further, the facing positions of the leg-shaped portions 21 are engaged with the mounting holes H by elastically deforming after being elastically deformed once they are inserted into the mounting holes H formed in the object P to be disposed. The piece 21a is formed.

The engaging piece 21a has a base portion on the distal end side of the leg-shaped portion 21 due to the split groove 21b formed in the leg-shaped portion 21, and the leg-shaped portion 2 is centered on the base portion.
1 is configured to be elastically deformable. The outer surface of the engaging piece 21a is more outward than the outer surface of the leg-like portion 21 due to the inclined surface 21c that is inclined in a direction in which the thickness of the engaging piece 21a increases as it approaches the tip end side of the engaging piece 21a. The front surface of the engaging piece 21a is slightly wider than the thickness of the object P to be disposed at the tip of the engaging piece 21a. The facing surface 21d facing the
Are formed.

As a result, in the example shown in FIGS. 1 to 3, between the apexes 21e of the pair of engaging pieces 21a, 21a where the engaging surface 21d of the engaging piece 21a and the inclined surface 21c are in contact with each other. By inserting the leg-shaped portion 21 into the mounting hole H whose hole diameter is slightly smaller than the interval, the pair of engaging pieces 21a, 21a can be temporarily bent inward, and the engaging piece is also formed. When the top portion 21e of 21a crosses over the hole edge on the insertion side of the mounting hole H, the engaging piece 21a is repulsed to engage the engaging surface 21d with the hole edge of the mounting hole H on the insertion side. As a result, the fixed body 2 can be attached to the object P to be arranged with one touch.

Further, in the example shown in FIGS. 1 to 3, the engaging portion 22 of the fixed body 2 has a space on the surface of the main body portion 20 opposite to the side on which the leg portions 21 are formed. A pair of elastically deformable walls 22a, 22a formed by opening
It is composed by.

Specifically, in the example shown in FIG. 1 to FIG. 3, the wall 22a is the main body portion 20.
The rib-shaped bodies 22b are provided on the sides facing each other and extend along the sides.

In addition, the wall 22a has a hooking projection 22c that projects toward the other wall 22a, on the side facing the other wall 22a on the protruding end side. The engaging projection 22c is formed to be long along the extending direction of the rib-like body 22b. Also,
On one side sandwiching the top portion 22d, a hooking surface 22e facing the surface of the main body portion 20 is provided, and on the other side sandwiching the top portion 22d, in a direction of approaching the other wall body 22a toward the top portion 22d. It has an inclined surface 22f. Then, the top portion 22d of the one engaging projection 22c of the pair of wall bodies 22a, 22a and the pair of wall bodies 22a, 22a.
The distance between the other engaging protrusion 22c and the top 22d is
It is configured to be slightly narrower than the distance between the both side surfaces 12c, 12c of the engaged portion 12 of the clamp body 1.

On the other hand, in the example shown in FIGS. 1 to 3, the engaged portion 12 of the clamp body 1 projects from the side of the clamp body 1 opposite to the side on which the fitting portion 11 is provided. The engaged portion 12 is formed with a slit-shaped through hole 12 a along one side of the clamp body 1. The through hole 12a is open outward at the pair of side faces 12c, 12c at the back-to-back position of the engaged portion 12, and the engaging recesses 12b are formed on both sides of the engaged portion 12 by the through hole 12a. Are formed.

In the example shown in FIGS. 1 to 3, the pair of walls 22a, 22 on the fixed body 2 side.
As the engaged portion 12 of the clamp body 1 is inserted into the space a, the engaging protrusion 22c abuts against the engaged portion 12 to elastically deform the wall body 22a outwardly, and the pair of wall bodies 22a. , 22a, the engaging projection 12c is caught in the engaging recess 12b formed in the engaged portion 12 of the clamp body 1 due to the elastic force of the wall 22a at a position where the engaged portion 12 of the clamp body 1 is completely inserted. I am doing it.

Specifically, (1) First, the side surface 12c of the engaged portion 12 of the clamp body 1 in which the engaging recess 12b is formed is attached to the wall 2 of the fixed body 2.
2a, the pair of walls 22a, 22a facing each other.
When the hooked portion 12 is inserted in between, the inclined surface 22e of the hooking projection 22c is pressed against the side surface 12c, and the wall 22a is gradually elastically deformed outward. (2) Then, due to the elastic deformation of the wall 22a, the engaged portion 12 of the clamp body 1 can be advanced to the base side of the wall 22a. (3) Next, the engaged portion 12 of the clamp body 1 is interposed between the pair of wall bodies 22a and 22a to a position where the engaging protrusion 22c enters the engaging recess 12b of the engaged portion 12 that has been inserted in this way.
When is inserted, the wall body 22a is elastically returned (that is, repelled), so that the clamp body 1 and the fixed body 2 are engaged with each other.

As a result, according to the clamp of this embodiment, the elongated object W is held by the fitting portion 11 with respect to the fixed body 2 previously attached to the object P to be arranged by the attachment portion 23. By engaging the clamp body 1, this long object W can be used to be attached to the object P to be arranged, and this attachment of the long object W can be performed in the most easy manner.

Further, in this embodiment, the engaging portion 22 and the attaching portion 23 of the fixed body 2 are made of hard synthetic resin, and the engaging portion 22 of the fixed body 2 is used.
A vibration absorbing layer 24 made of soft synthetic resin is provided between the mounting portion 23 and the mounting portion 23.

Specifically, in the example shown in FIGS. 1 to 3, the main body 20 of the fixed body 2 is composed of three layers, and the intermediate layer of them is the vibration absorbing layer 24.
The engaging portion 22 is formed on the outer surface of one layer sandwiching the intermediate layer, and the mounting portion 23 is formed on the outer surface of the other layer sandwiching the intermediate layer.

As a result, in this embodiment, the vibration absorbing layer 24 can absorb the mechanical vibration generated on the side of the long object W so as not to be transmitted to the object P to be arranged as much as possible. In addition, it is possible to absorb the mechanical vibration generated on the side of the object to be disposed P and to transmit it to the side of the long object W as little as possible. When this clamp is used for attaching a long object W such as wiring or piping of an automobile, it is possible to prevent generation of abnormal noise when the automobile is running.

Further, since the engaging portion 22 of the fixed body 2 is made of a hard synthetic resin, the engagement between the fixed body 2 and the clamp body 1 can be firmly secured, and the fixed body 2 can be secured. Since the mounting portion 23 is also made of a hard synthetic resin, it is possible to firmly secure the mounting state between the fixed body 2 and the object P to be arranged.

As the soft synthetic resin forming the vibration absorbing layer 24, for example, synthetic rubber or plastic elastomer can be used.

In addition, in the example shown in FIGS. 1 to 3, the fixed body 2 forms the vibration absorbing layer 24 by injection molding using the engaging portion 22 and the mounting portion 23 as inserts, or vibrates. The engaging portion 22 and the attachment portion 23 are formed by injection molding using the absorption layer 24 as an insert so that the engaging portion 22 and the attachment portion 23 can be configured.

That is, in the example shown in FIGS. 1 to 3, the layers on both sides of the main body portion 20 of the fixed body 2 sandwiching the intermediate layer are each formed into a plate shape, Further, this intermediate layer is configured to form a plate-like sandwiched between the layers on both sides, and the intermediate layer is formed between the layers on both sides using the layer sides on the both sides formed previously as inserts. Alternatively, it is possible to easily form the layer side on both sides of the intermediate layer formed previously as an insert.

(Modification) FIG. 4 shows one of the variations of the example shown in FIGS.

In the example shown in FIG. 4, the engaged portion 12 of the clamp body 1 has a head portion 12d and a shaft portion 12e, and the dimensions of the head portion 12d and the shaft portion 12e. The engaging recess 12b is formed by the difference.

Specifically, in the example shown in FIG. 4, a shaft portion 12e having a cylindrical shaft shape is projected from the side of the clamp body 1 opposite to the side where the fitting portion 11 is formed, and The protruding end of the shaft portion 12e is a disk-shaped head 1
The one surface of 2d is integrally connected.

The diameter of the head portion 12d is the fixed body 2
It is designed to be slightly larger than the distance between the top portions 22d of the pair of wall members 22a, 22a of the hooking projection 22c.

Thus, in the example shown in FIG. 4, the wall body 22a on the fixed body 2 side is inserted into the space between the pair of wall bodies 22a, 22a along with the engagement of the engaged portion 12 of the clamp body 1. The wall 22a is temporarily elastically deformed outward by pressing the engaging projection 22c of the engaging projection 22c against the head 12d, and the top 22d of the engaging projection 22c is moved to the head 12d.
This wall body 22a can be repelled at a position where it has passed over, and by the repulsion of the wall body 22a, the engaging projection 22c is one-touched on the surface of the head 12d of the clamp body 1 on the side connected to the shaft 12e. Can be engaged with.

Further, in the example shown in FIG. 4,
After the clamp body 1 is engaged with the fixed body 2 in this manner, the clamp body 1 can be allowed to rotate about the axis of the shaft portion 12e, and the long object W such as wiring or piping can be rotated. The convenience for setting can be improved.

Further, in the example shown in FIG. 4,
A pair of retaining wall bodies 25, 25 having wall surfaces in a direction intersecting with the wall surfaces of the pair of wall bodies 22a, 22a of the fixed body 2.
It is configured such that the engaged portion 12 of the clamp body 1 is inserted inside the surrounding of the pair of wall bodies 22a, 22a and the pair of retaining wall bodies 25, 25.

That is, in the example shown in FIG. 4, the rib-shaped body 22b is provided on one side of one end side of the pair of rib-shaped bodies 22b forming the pair of walls 22a, 22a.
A rib 25a is formed to form the retaining wall body 25 extending in a direction orthogonal to the pair of wall bodies 22.
Ribs 25a forming the retaining wall 25 extending in a direction orthogonal to the rib-like body 22b are formed laterally on the other end side of the pair of rib-like bodies 22b forming a and 22a. The rib 25a is engaged with the engaging projections 22c of the pair of wall bodies 22a, 22a, and the head 12 is engaged.
It is configured to have a height that abuts against the side end surface of d from the side.

Thus, in the example shown in FIG. 4, after the clamp body 1 is engaged with the fixed body 2, the clamp body 1 is allowed to rotate about the axis of the shaft portion 12e. The pair of walls 22a, 2
It is possible to prevent the head 12d from coming out of between the pair of wall bodies 22a, 22a due to the movement of the head 12d along the extending direction of 2a.

FIG. 5 shows another variant of the example shown in FIGS.

In the example shown in FIG. 5, at least one of the pair of wall members 22a, 22a of the fixed member 2 has an upper portion (that is, a protruding end of the wall member 22a) on which the wall member 2 is attached.
An operation piece 26 is formed which enables an operation of elastically deforming 2a outward.

Specifically, in the example shown in FIG. 5, one end of one of the pair of walls 22a, 22a of the fixed body 2 is integrally connected to the upper portion of the wall 22a. , The pair of wall bodies 22a, 22a toward the other end
A plate-like operation piece 26 extending obliquely upward is provided so as to gradually separate from the other side.

As a result, in the example shown in FIG. 5, after the clamp body 1 is engaged with the fixed body 2, the operation piece 26 is gripped and one of the pair of wall bodies 22a, 22a is fixed. It is possible to perform an operation of flexing outward, whereby the engaging projection 22c and the engaging recess 12 can be formed as necessary.
The clamp body 1 and the fixed body 2 can be easily separated by releasing the engagement with b.

[0066]

According to the clamp of the present invention, the mechanical vibration generated on the side of the long object held by the clamp body is lengthened by the vibration absorbing layer even though the clamp body and the fixed body are two parts. It is possible to absorb as little as possible to the object side where the object is placed, and to absorb as little mechanical vibration as possible to the object side to be transmitted to the long object side. it can.

Further, since the engaging portion of the fixed body is made of a hard synthetic resin, the engaging of the fixed body and the clamp body can be firmly secured, and the mounting portion of the fixed body is also made of a hard material. Since it is made of synthetic resin,
It is possible to firmly secure the attachment state between the fixed body and the object to be arranged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a clamp.

[Figure 2] Side view of the same

FIG. 3 is a side view showing the same usage state.

FIG. 4 is an isolated perspective view showing an example of a clamp that is partially different in configuration from the clamp shown in FIGS. 1 to 3;

FIG. 5 is a perspective view showing a fixed body 2 according to another example of a clamp that is partially different in configuration from the clamp shown in FIGS. 1 to 3;

[Explanation of symbols]

W long object Object to be placed 1 clamp body 11 Inset 2 fixed body 22 Hanging part 23 Mounting part 24 Vibration absorption layer

Claims (7)

[Claims] 1. A clamp for a long object such as wiring and piping, comprising a clamp body having a fitting portion for receiving the long material in a form of a fitting from a side thereof, and an engaging portion for the clamp body, A fixed body having a mounting portion for mounting a long object on an object to be disposed, the engaging portion and the mounting portion of the fixed body are made of hard synthetic resin, and A clamp characterized in that a vibration absorbing layer made of a soft synthetic resin is provided between the engaging portion and the mounting portion. 2. The fixed body has a vibration absorbing layer formed by injection molding using a hooking portion and a mounting portion as inserts, or a hooking portion and a mounting portion formed by injection molding using a vibration absorbing layer as an insert. The clamp according to claim 1, wherein the clamp is configured. 3. The mounting portion of the fixed body has a hooking piece which is elastically deformed with insertion into a mounting hole formed in an object to be mounted and then is elastically engaged with the mounting hole. The clamp according to claim 1 or 2, wherein the clamp is provided. 4. The engaging portion of the fixed body is configured to include a pair of elastically deformable wall bodies, and the side of the pair of wall bodies facing the other wall body,
As the engaged portion of the clamp body is inserted between the pair of wall bodies, the wall body abuts against the engaged portion and elastically deforms the wall body outward, and the engaged portion of the clamp body is interposed between the pair of wall bodies. 2. A hooking projection is provided which is hooked into a hooking recess formed in a hooked portion of the clamp body by elastic repulsion of the wall body at a position where the holes are fully inserted.
The clamp according to claim 2 or claim 3. 5. The clamped portion of the clamp body has a head portion and a shaft portion, and the engagement recess is formed by a dimensional difference between the head portion and the shaft portion. The clamp according to claim 4. 6. A pair of retaining wall bodies having wall surfaces in a direction intersecting with the wall surfaces of the pair of wall bodies of the fixed body, wherein the pair of wall bodies and the pair of retaining wall bodies are provided on the inner side of the enclosure. The clamp according to claim 5, wherein the engaged portion of the clamp body is inserted. 7. An operation piece capable of performing an operation of elastically deforming the wall body outward is formed on an upper portion of at least one of the pair of wall bodies of the fixed body. The clamp according to claim 5 or claim 6.