JPH1169558A - Protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protector which is capable of reducing locking number, easy in checking the located condition, and superior in the assembling performance. SOLUTION: A protector 1 comprises a protector body 2 which is of bent shape, and having an open side one side of which is opened, and a protector cover 3 which is of a shape corresponding to the protector body 2 and covers the open side. Hooking parts 5, 6 capable of keeping the protector body 2 and the protector cover 3 in an assembled condition on one end side, are provided on these two components. A pair of locking projections 20, 20 whose tip is large in diameter are provided on a side opposite to the hooking part 5 of the protector body 2 in the vicinity of the bent part of the protector body 2. In addition, a pair of locking holes 30 which permit the insertion of the locking projection 20 and enable the locking thereof is formed in the protector cover 3. The locking projection 20 and the locking hole 30 are provided on the same side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protector for protecting an electric wire, and more particularly to a protector structure including a protector body bent at an intermediate portion and a protector cover for covering an open side surface of the protector body.

[0002]

2. Description of the Related Art Conventionally, a resin protector for appropriately protecting a wire harness used for connection of an electric system of an automobile or the like has been generally used. There are various forms of this protector.For example, the protector includes a protector body having a shape bent at a right angle at an intermediate portion and having an open side surface on one side, and a lid-like protector cover for covering the open side surface of the protector body. The protector will be described.

[0003] The protector 100 shown in FIGS.
A protector body 70 composed of a first housing 75 and a second housing 76, a first cover 81, and a second cover 82;
And a protector cover 80 including a hinge portion 83 which connects the two cover portions to bend.

[0004] A method of assembling the protector 100 configured as described above will be described. First, the protector body 7
After the wire harness 90 is accommodated in the housing 0, the engaging claws 84 (only one side is shown in the figure, but also formed on the opposite side) provided on the side wall of the first cover portion 81,
The first housing portion 75 is fitted so as to be inserted into the lock portion 77 (see FIG. 8). With this fitting, the first cover portion 81 is locked so as to close the first housing portion 75. By this first-stage locking, half of the protector 100 is covered with the protector cover 80.

[0005] Next, the second cover portion 82 is turned in the direction of the second accommodating portion 76 so as to be bent from the hinge 83. Then, by inserting the side wall 85 of the second cover portion 82 so as to be hooked on the L-shaped guide piece 78 formed on the side wall of the second storage portion 76, the second cover portion 82 holds the second storage portion 76. Locked to close. The second-stage locking of the guide piece 78 and the side wall 85 completes the assembly of the second cover part 82 and the second accommodation part 76, and the assembly of the protector 100 is completed.

[0006]

However, in the above-described conventional protector 100, the first cover 81 is fitted into the first housing 75 when the first protector 100 is assembled.
There is a second-stage operation and a second-stage operation in which the second cover portion 82 is rotated to fit in the second housing portion 76. That is, although the protector 100 has a configuration in which the first and second cover portions 81 and 82 are connected by the hinge 83, the protector 100 is substantially two members and requires two strokes for the assembling operation. Therefore, there is a problem that both the locked state in the first-stage operation and the fitting state of the second cover portion and the guide piece in the second-stage operation must be confirmed.

[0007] Further, both the first and second cover portions 81 and 82 require a locking structure, and several locking structures must be set. Therefore, the lock portion is necessarily provided on the opposite side of the protector and on a plurality of side surfaces. However, if other members are arranged in a complicated manner around the wire harness 90 is arranged, or if the member is narrow, it is extremely troublesome to visually check the locked state, and it takes time to confirm. There was a problem.

SUMMARY OF THE INVENTION An object of the present invention is to provide a protector which can reduce the number of locks, can easily check the lock state, and has excellent assemblability. It is in.

[0009]

SUMMARY OF THE INVENTION The object of the present invention is to provide a protector according to claim 1, wherein the protector body has an open side surface which is bent and has one open side. A protector cover comprising a protector cover that closes the open side surface in a shape to make the protector body and the protector cover both have a hook portion on one end side that can maintain a state in which the two members are combined, and the protector body has A projection provided on the opposite side to the hook portion and having a large-diameter lock projection, and the protector cover is bored on the opposite side to the hook portion, and the lock projection is inserted. The protector is provided with a lock hole including an allowance introduction hole portion and a lock hole portion capable of locking the lock protrusion. It can be solved.

[0010] According to the protector having the above-described structure, since both members of the protector body and the protector cover are provided at one end with the hook portions that can maintain the combined state of the two members, when the protector body and the protector cover are assembled. First, the hook portion can be hooked, and the hooked portion can be rotated in the final closing direction with the hook portion as a fulcrum while maintaining the hooked state. In addition, the protector body is provided on the opposite side to the hooking portion and has a lock projection with a large diameter at the tip, and the protector cover is bored on the opposite side to the hooking portion, and the lock projection is inserted. And a lock hole including a lock hole for locking the lock projection. Therefore, by rotating in the closing direction, the lock projection on the protector body side enters the introduction hole in the lock hole on the protector cover side, and by further rotating, the lock projection also locks in the lock hole in the lock hole. To fit the lock projection.

[0011] The above object is also a protector according to claim 2, wherein the lock projection is provided with a constricted portion which can be fitted into the locking hole portion, and the locking projection is provided at a tip end of the constricted portion. And a large diameter portion larger than the width of the portion.
The problem can be solved by a protector characterized in that the locking hole extends in a direction along the assembling operation and is connected to the introduction hole. According to the protector having the above-described configuration, the lock projection includes the constricted portion that can be fitted into the locking hole, and the large-diameter portion that is provided at the tip of the constricted portion and that is larger than the width of the locking hole. The stop hole extends in a direction along the assembling operation and is connected to the introduction hole. Therefore, the large-diameter portion easily enters the introduction hole, the constricted portion moves along the locking hole with the assembling operation, and the large-diameter portion prevents the lock projection from coming off the lock hole.

[0012] The above object can be solved by a protector according to claim 3, wherein the lock projection is provided near a bent portion of the protector body. According to the protector having the above configuration, the lock protrusion is provided near the bent portion that is hardly bent as compared to both ends of the protector main body,
Since the lock hole on the protector cover side is also provided in the vicinity of the hardly bent portion corresponding to the lock protrusion, a strong engagement between the protector body and the protector cover can be obtained.

[0013] Further, the above problem is solved by a protector according to claim 4, wherein a lock mechanism comprising the lock projection and the lock hole is provided on one side surface. Can be. According to the protector having the above-described configuration, the lock mechanism including the lock protrusion and the lock hole is provided on only one side of the protector, so that the engagement state can be easily checked only by looking at one side of the protector.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the protector of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a perspective view showing an embodiment of the protector of the present invention,
2 is a cross-sectional view taken along line MM in FIG. 1, FIG. 3 is a side view showing a state in which the protector in FIG. 1 is being assembled, FIG. 4 is a cross-sectional view taken along line PP in FIG. 3, and FIG. FIG. 6 is a sectional view taken along line QQ in FIG.

As shown in FIG. 1, the protector 1 has a three-dimensional bent shape which is bent in the horizontal and vertical directions, and is used for a portion where a wire harness is routed in a vertical direction. The protector 1 is composed of a protector body 2 made of synthetic resin having an open side surface whose one side surface is opened, and a protector cover 3 made of synthetic resin that covers the open side surface in a shape corresponding to the protector body 2. ing.

On both ends of the protector main body 2 and the protector cover 3, a hooking projection 5 and an engaging hole 6 forming a hooking portion which can be maintained in a state where both members are combined are formed on one end side. 2). That is, the hooking projections 5 projecting from one side face are attached to the main body upper surface portion 12 of the protector body 2.
The engaging hole 6 for receiving the hooking projection 5 is formed in the laterally bent outer bending portion corresponding to the hooking projection 5 of the cover upper surface portion 14 of the protector cover 3. ing.

The protector body 2 has a hook 5
A pair of lock projections 20 are formed on both side edges of the main body side surface portion 11 that forms an open side surface extending downward on the opposite side. The lock projection 20 is provided in the vicinity of a bent portion of the protector body 2 that is bent in the vertical direction. As shown in FIG. And a constricted portion 22.

The protector cover 3 is provided with a pair of lock holes 30 for engaging the lock projections 20 at positions corresponding to the lock projections 20 on the cover side surface portion 13. As shown in FIG. 3, the lock hole 30 has a circular introduction hole 31 that allows the large diameter portion 21 of the lock projection 20 to pass therethrough, and a constricted portion 22 of the lock projection 20. And a locking hole 32 extending in the direction along the assembling operation and connected to the introduction hole 31. As described above, the lock mechanism including the lock protrusion 20 and the lock hole 30 is provided with the both side edges of the main body side surface portion 11 of the protector main body 2,
Since the protector cover 3 is provided on the same side surface as the cover side surface portion 13, the engagement state can be easily checked only by looking at one side surface of the protector.

Next, an operation of assembling the protector having the above-described configuration will be described. First, a wire harness (not shown) is accommodated from the open side surface of the protector body 2. Thereafter, as shown in FIG. 2, the engaging hole 6 of the protector cover 3 is hooked on the hooking projection 5 of the protector body 2 (the state shown by the dashed line in the figure). Thereafter, while maintaining the hooked state, the robot is turned in the closing direction with the engagement point N in the figure as a fulcrum (the direction of arrow X in FIGS. 1 and 2).

By continuously rotating in the closing direction, the large diameter portion 21 of the lock projection 20 comes into contact with the edge of the introduction hole 31 of the lock hole 30. Then, when further rotated in the same direction, as shown in FIGS.
1 penetrates the introduction hole 31 to form a slit-shaped locking hole 3
The assembly of the protector body 2 and the protector cover 3 is completed by fitting the constricted portion 22 into the inside of the cover 2 (FIG. 5).
And FIG. 6). That is, in the protector 1 of the present embodiment, the assembling operation of the protector body 2 and the protector cover 3 can be easily performed by a continuous rotating operation in the same direction from the first hooking operation to the final closed state. Can be. In addition, the lock projection 20 and the lock hole 30
Is provided in the vicinity of the bendable portion of the protector body 2 and the protector cover 3 where the protector body 2 and the protector cover 3 are hardly bent, so that a strong engagement state between the protector body 2 and the protector cover 3 can be obtained.

[0021]

As described above, in the protector according to the first aspect of the present invention, both members of the protector main body and the protector cover are provided with a hook on one end thereof, which can maintain the combined state of the two members. The protector body protrudes on the opposite side to the hook portion and has a large-diameter lock projection, and the protector cover is drilled on the opposite side to the hook portion, and allows the lock projection to be inserted. And a lock hole comprising a lock hole for locking the lock projection. Therefore, when assembling the protector body and the protector cover, first, the hook is hooked, and the hook is pivoted in the final closing direction with the hook as a fulcrum. The lock projection moves into the locking hole part by entering into the part and further rotating, and the lock projection is fitted. Therefore, the protector cover can be easily engaged with the protector main body by continuous one-way operation, so that the assembling property is excellent, and the final closed state can be easily confirmed, and the efficiency of the assembling operation is improved. be able to.

Further, in the protector according to the second aspect of the present invention, the lock projection is provided with a constricted portion which can be fitted into the locking hole, and is provided at a tip of the constricted portion and is larger than the width of the locking hole. And a locking hole extending in a direction along the assembling operation and connected to the introduction hole. Therefore, the large-diameter portion easily enters the introduction hole, the constricted portion moves along the locking hole with the assembling operation, and the large-diameter portion prevents the lock projection from coming off the lock hole. Therefore, the protector cover can be more easily and reliably engaged with the protector body by the continuous one-way operation, so that the assemblability can be further improved and a highly reliable protector can be obtained. .

Further, in the protector according to the third aspect of the present invention, the lock projection is provided near the bent portion of the protector body. Therefore, the lock hole on the protector cover side is also provided in the vicinity of the hardly bent portion corresponding to the lock projection, so that a strong engagement between the protector body and the protector cover can be obtained. Therefore, a more reliable protector can be obtained.

Further, in the protector according to the fourth aspect of the present invention, a lock mechanism including a lock projection and a lock hole is provided on one side. Therefore, it is easy to check the engagement state just by looking at one side of the protector,
Further, the efficiency of the assembling work can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a protector of the present invention.

FIG. 2 is a sectional view taken along line MM in FIG.

FIG. 3 is a side view showing a state in which the protector in FIG. 1 is being assembled.

FIG. 4 is a sectional view taken along the line PP in FIG. 3;

FIG. 5 is a side view showing an assembled state of the protector in FIG. 1;

FIG. 6 is a sectional view taken along line QQ in FIG. 5;

FIG. 7 is a perspective view showing a conventional protector.

FIG. 8 is a sectional view of a lock portion in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Protector 2 Protector main body 3 Protector cover 5 Hook protrusion (hook part) 6 Engagement hole (hook part) 11 Main body side surface part 12 Main body upper surface part 13 Cover side surface part 14 Cover upper surface part 20 Lock protrusion 21 Large diameter part 22 Neck part 30 Lock hole 31 Introduction hole 32 Lock hole

Claims (4)

[Claims] 1. A protector comprising: a protector main body having a bent shape and an open side surface whose one surface is opened; and a protector cover closing the open side surface in a shape corresponding to the protector main body, wherein the protector main body and the protector are provided. Both members of the cover are provided on one end side with a hook that can be maintained in a state where the two members are combined, and the protector body is provided with a lock projection that is protruded on the opposite side to the hook and has a large-diameter tip. And the protector cover is drilled on the opposite side to the hook portion, and an introduction hole portion that allows insertion of the lock projection, and a locking hole portion that enables locking of the lock projection. A protector comprising a lock hole comprising: 2. The lock projection comprises: a constricted portion that can be fitted into the locking hole; and a large-diameter portion provided at a tip of the constricted portion and larger than the width of the locking hole.
The protector according to claim 1, wherein the locking hole extends in a direction along the assembling operation and is connected to the introduction hole. 3. The protector according to claim 1, wherein the lock projection is provided near a bent portion of the protector body. 4. The protector according to claim 1, wherein a lock mechanism including the lock protrusion and the lock hole is provided on one side surface.