JP5125321B2 - Connecting clamp - Google Patents

Description

  The present invention relates to a connection clamp for holding two pipe bodies such as a fuel hose in parallel.

  In order to prevent rotation and half-fitting of the quick connector part of the fuel hose, two fuel hoses (main hose and return hose) may be clamped and fixed in parallel at the connector part using a connection clamp. . Such a connection clamp is provided with two right and left holding portions for holding a tube (hose), and the left and right holding portions are integrally connected.

Conventionally, as such a connection clamp, Patent Document 1 describes a structure in which the left and right clamping portions are divided into two parts and the divided members are slidably connected so that the clamping radius is variable. . Further, Patent Document 2 describes a connection clamp having a configuration in which a plurality of holding portions each holding a tube body are firmly and integrally connected through a concavo-convex relationship.
JP 2002-084640 A Japanese Patent Application Laid-Open No. 07-243560

  By the way, when assembling the connection clamp to the fuel hose as described above, as shown in FIG. 5, the relative positions in the axial direction and the axial pitch direction of the connector portions 52 and 53 of the fuel hoses 50 and 51 to be sandwiched. If the relationship varies, it is difficult to assemble the connection clamp 54. Here, even if the connection clamp described in Patent Document 1 is used, it is only possible to cope with variations in the outer diameter of the fuel hose to be clamped, and the axial direction and the axial pitch direction of both the connector parts 52 and 53 to be clamped. It is impossible to deal with variations in the relative positions of the two. Further, when the connection clamp described in Patent Document 2 is used, the left and right clamping parts are separate members, but the clamping parts can be connected only in a unique positional relationship. , 53 cannot cope with variations in relative position in the axial direction or axial pitch direction.

  The present invention has been made in view of such a situation, and the problem to be solved is that even when there are variations in the relative positions in the axial direction and axial pitch direction of the two tubular bodies to be sandwiched, An object of the present invention is to provide a connection clamp that can be easily assembled to a tube body.

Hereinafter, means for solving the above-described problems and the effects thereof will be described.
In order to solve the above-described problem, in the invention described in claim 1, in the connection clamp that includes two left and right holding portions for holding the tube bodies and holds the two tube bodies in parallel, the left and right holding portions are , Slidably connected to each other in two directions, ie, an axial direction of the tubular bodies sandwiched between them, and a direction of changing an inter-axis distance between the two tubular bodies sandwiched between them, on one of the left and right holding portions, the other a protrusion protruding toward the clamping portion, a first engaging protruding respectively toward the upper and lower projecting portion at a predetermined distance to the other clamping portion A coupling piece and a second engagement piece are formed, and the other of the left and right clamping parts has a clearance between the protrusion and the first engagement piece and the second engagement piece. A third engagement piece and a fourth engagement piece to be respectively inserted are formed. Ri, wherein together with the third providing engagement piece and the recess of the fourth rectangular parallelepiped engaging piece, the dimension in the direction of changing the distance between the axial direction and the shaft is formed smaller than each of the recesses Claw portions engaged in the recesses are provided on the first engagement piece and the second engagement piece, and relative sliding of the left and right clamping portions is performed within the movement range of the claw portions in the recesses. The gist of this is that it is allowed.

  In the above configuration, the right and left clamping portions of the connection clamp can be relatively slid in two directions, ie, the axial direction of the pipes held by them and the direction in which the distance between the axes of the pipes is changed. Become. Therefore, even if the relative position in the axial direction or the axial pitch direction of the two pipe bodies to be clamped varies, the left and right clamping parts can be relatively slid in those directions. Assembling can be easily performed.

Further, in the above configuration, relative sliding with respect to the two axial directions and the axial direction of the left and right clamping portions can be realized with a relatively simple configuration.
The gist of the invention described in claim 2 is that, in the connection clamp according to claim 1 , the concave portion and the claw portion are respectively provided at two locations on the upper surface side and the lower surface side of the connection clamp. Yes.

In the said structure, a right-and-left clamping part can be connected by pinching with a nail | claw part from both the upper surface side and a lower surface side.
The invention according to claim 3 is the connection clamp according to claim 1 or 2 , wherein the connection clamp sandwiches a fuel hose connected to an internal combustion engine as the tubular body. And

Thus, the connection clamp according to claims 1 to 3 can be embodied as a connection clamp for sandwiching a fuel hose connected to an internal combustion engine as the tubular body.

  Hereinafter, an embodiment in which the connection clamp of the present invention is embodied will be described in detail with reference to FIGS. In addition, the connection clamp of this embodiment clamps two fuel hoses connected to an internal combustion engine as a tubular body, and prevents rotation and half-fitting of these two fuel hoses.

  FIG. 1 shows the planar structure of the connection clamp of this embodiment, FIG. 2 shows its front structure, and FIG. 3 shows its perspective structure. As shown in these drawings, the connection clamp of the present embodiment is configured by left and right clamping portions 10L and 10R formed as separate resin molded products, respectively. Fuel hoses (main hose 20 and return hose 21) are respectively clamped between the left and right clamping portions 10L and 10R. More specifically, the right sandwiching portion 10R sandwiches the main hose 20 for sending fuel to the internal combustion engine at the quick connector provided at the tip thereof, and the left sandwiching portion 10L A return hose 21 for returning the fuel to the fuel tank is sandwiched by a quick connector portion provided at the tip thereof.

  In the connection clamp of the present embodiment, the left and right sandwiching portions 10L and 10R are provided in the axial direction of the fuel hose sandwiched between them (hereinafter referred to as “axial direction”) and the inter-axis distance (shaft of the fuel hoses). The pitch is changed so as to be relatively slidable in two directions (hereinafter referred to as “axial pitch direction”). The details of the connecting structure of the left and right sandwiching portions 10L and 10R are as follows.

  FIG. 4 shows a cross-sectional structure of the connection clamp of this embodiment. As shown in the figure, on the right side of the left holding portion 10L, a protruding portion 11 protruding toward the right holding portion 10R is formed, and a certain interval is provided above and below the protruding portion 11, respectively. Thus, the engagement pieces 12 and 13 are formed to protrude. Claw portions 12a and 13a projecting inward are formed at the tips of the engagement pieces 12 and 13, respectively.

  On the other hand, on the left side of the right clamping part 10R, engagement pieces 14 and 15 that are respectively inserted into the clearances between the protrusion 11 and the engagement pieces 12 and 13 are formed to protrude. On the outer surfaces of 14, 15 are formed rectangular parallelepiped (pool shape) recesses 14a, 15a, respectively. The left and right holding portions 10L and 10R are connected by engaging the claw portions 12a and 13a of the left holding portion 10L with the recesses 14a and 15a, respectively.

  Here, the dimensions of the claw portions 12a and 13a in the axial direction and the axial pitch direction are respectively smaller than the dimensions of the concave portions 14a and 15a in the axial direction and the axial pitch direction, and the claw portions 12a and 13a 14a and 15a are movable in the axial direction and the axial pitch direction. Thus, relative sliding of the left and right holding portions 10L and 10R with respect to the two directions of the axial direction and the axial pitch direction is allowed within the movement range of the claw portions 12a and 13a in the concave portions 14a and 15a.

  In the coupling clamp of this embodiment, it is possible to change the relative positions of the left and right sandwiching portions 10L and 10R in the two directions of the axial direction and the axial pitch direction by sliding each other. In the connection clamp of this embodiment, the claw portions 12a and 13a are formed on the other of the left and right clamping portions, and correspond to the convex portion that can move inside the concave portion formed on one of them. It has a configuration.

According to the connection clamp of this embodiment described above, the following effects can be obtained.
(1) In the connection clamp of this embodiment, the left and right holding portions 10L and 10R are connected so as to be relatively slidable in the axial direction of the fuel hose held between them. Therefore, even if the quick connectors of the two fuel hoses to be clamped vary in their relative positions in the axial direction, the left and right clamping parts 10L and 10R are relatively slid in that direction to assemble them. Can be easily performed.

  (2) In the connection clamp of the present embodiment, the left and right holding portions 10L and 10R are connected so as to be relatively slidable in a direction in which the distance between the axes of the two fuel hoses held between them is changed. Therefore, even if the quick connectors of the two fuel hoses to be clamped vary in relative positions in the direction in which the distance (pitch) between the axes changes, the left and right clamping parts 10L and 10R are moved in that direction. Assembling can be performed easily by sliding relative to each other.

  (3) In the connection clamp of this embodiment, the convex portions (claw portions 12a and 13a) formed on the other side are movable inside the concave portions 14a and 15a formed on one of the left and right holding portions 10L and 10R. Within this range, relative sliding of the left and right clamping portions 10L and 10R is allowed. More specifically, the rectangular parallelepiped concave portions 14a and 15a are provided in the right clamping portion 10R, and the claw portions 12a and 13a having dimensions smaller in the axial direction and the axial pitch direction than the concave portions 14a and 15a, respectively, are clamped on the left side. It is provided in the portion 10L. And the nail | claw part 12a, 13a is engaged with recessed part 14a, 15a, respectively, and the right and left clamping parts 10L and 10R are mutually connected. Therefore, the relative sliding of the left and right holding portions 10L and 10R with respect to the two axial directions and the axial pit direction can be realized with a relatively simple configuration.

  (4) In the connection clamp of this embodiment, the concave portions 14a and 15a and the claw portions 12a and 13a are provided on both the upper surface side and the lower surface side, respectively. Therefore, the right and left clamping parts 10L and 10R can be connected by being clamped by the claw parts 12a and 13a from both the upper surface side and the lower surface side.

In addition, the said embodiment can also be changed and implemented as follows.
In the above embodiment, the engagement structures of the recesses 14a and 15a and the claw portions 12a and 13a are provided on both the upper surface side and the lower surface side of the connection clamp, but these are provided only on one side. Even if it does in this way, it is possible to permit the relative slide with respect to the axial direction and axial pitch direction of the right and left clamping parts 10L and 10R.

  In the above embodiment, the left and right clamping portions 10L and 10R are connected to be slidable in the two directions of the axial direction and the axial pitch direction. The connection clamp can be configured to allow relative sliding of the holding portions 10L and 10R. Also in this case, it is possible to provide a connection clamp that can be easily assembled against variations in the positions of both fuel hoses in either one of the axial direction and the axial pitch direction.

  In the above embodiment, the left and right clamping portions 10L and 10R are connected to be slidable through engagement between the claw portions 12a and 13a and the recesses 14a and 15a. The connection structure is not limited to this, and may be changed as appropriate. In short, any structure may be used as long as the left and right holding portions 10L and 10R can be connected to each other so as to be slidable relative to at least one of the axial direction and the axial pitch direction.

  -Although the case where the connection clamp was comprised as what clamps two fuel hoses was demonstrated in the said embodiment, this invention is applied also to the connection clamp which makes the pipe body other than a fuel hose the object of the clamping. can do. The present invention is essentially the above-described embodiment as long as it is a coupling clamp that includes two left and right clamping portions for clamping two pipe bodies in parallel and that clamps the two pipe bodies in parallel. It is possible to apply the present invention in a manner similar to or according to the above.

The top view which shows the planar structure of the connection clamp which concerns on one Embodiment of this invention. The front view which shows the front structure of the connection clamp of the embodiment. The perspective view which shows the perspective structure of the connection clamp of the embodiment. Sectional drawing which shows the cross-section of the connection clamp of the embodiment. The perspective view which shows the assembly | attachment aspect of the fuel hose of the conventional connection clamp.

Explanation of symbols

  10L, 10R ... clamping part, 11 ... projecting part, 12, 13 ... engaging piece, 12a, 13a ... claw part (convex part), 14, 15 ... engaging piece, 14a, 15a ... concave part, 20 ... main hose ( Fuel hose, tube), 21 ... Return hose (fuel hose, tube).

Claims (3)

In a connection clamp that includes two left and right clamping portions for clamping the tubular bodies and clamps the two tubular bodies in parallel,
The left and right clamping parts are slidable relative to each other in two directions: an axial direction of the tubular body sandwiched between them, and a direction in which an inter-axis distance between the two tubular bodies sandwiched between them is changed. Concatenated,
Said the one of the clip portions are left and right, the other a protrusion protruding toward the clamping portion, the first projecting respectively toward the upper and lower projecting portion at a predetermined distance to the other clamping portion An engagement piece and a second engagement piece are formed, and a clearance between the protrusion and the first engagement piece and the second engagement piece is formed on the other of the left and right holding portions. The third engagement piece and the fourth engagement piece are respectively inserted into the first engagement piece and the third engagement piece. The fourth engagement piece is provided with a rectangular parallelepiped recess, and the axial direction And a claw portion formed in each of the first engagement piece and the second engagement piece, each having a dimension in a direction in which the distance between the axes is changed smaller than that of the recess, and being engaged in the recess. Relative sliding of the left and right clamping parts is allowed within the movement range of the claw part in the recess. Coupling clamp, characterized in that. The connection clamp according to claim 1 , wherein the concave portion and the claw portion are provided at two locations on the upper surface side and the lower surface side of the connection clamp, respectively. The coupling clamp is connected clamp according to the fuel hose connected to the internal combustion engine according to claim 1 or claim 2 in which sandwiching as the tubular body.

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