JP2014082089A - Rubber boot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform work for covering with a rubber boot.SOLUTION: A rubber boot 10 comprises, in the case where a second connector 80 is projected in a protruding portion 70 of an auxiliary machine and a first connector 90 can be fitted to the second connector 80: a first accommodation part 11 which covers the first connector 90 and in which the first connector 90 can be accommodated while being positioned; a second accommodation part 12 which is neighboring to the first accommodation part 11 and covers the protruding portion 70 and in which the protruding portion 70 can be accommodated while being positioned; and a knob part 28 which protrudes outside of the second accommodation part 12 and can be picked when covering the protruding portion 70 with the second accommodation part 12.

Description

  The present invention relates to a rubber boot.

  The rubber boot described in Patent Literature 1 includes a fitting portion that can be accommodated by covering the connector, and a wire insertion portion that is in communication with the fitting portion and into which an electric wire drawn from the connector can be inserted. The front end of the fitting portion is located near the front end of the connector, and the outer peripheral surface of the connector is covered with the fitting portion including the lock arm.

JP 2011-44303 A

  By the way, a mating connector to be mated with the connector may be installed on the protruding portion of the auxiliary machine, and in that case, it may be required to cover the protruding portion with a rubber boot. Then, after extending the 2nd fitting part which can accommodate a protruding part ahead of the fitting part in a rubber boot, and covering a fitting part on a connector, the 2nd fitting part is put on a protruding part. There is a risk that it will be difficult to perform the deposition work.

  The present invention has been completed based on the above-described circumstances, and an object of the present invention is to make it possible to easily perform an operation of covering a rubber boot.

  The rubber boot of the present invention covers the first connector when the second connector is installed on the protruding portion of the auxiliary machine and the first connector can be fitted to the second connector. A first accommodating portion capable of accommodating the connector in a positioned state; a second accommodating portion communicating with the first accommodating portion; covering the protruding portion; and accommodating the protruding portion in a positioned state; 2 It protrudes on the outer side of the accommodating part, and has a characteristic in the point provided with the knob | pick part which can be picked when covering the said 2nd accommodating part on the said protruding part.

  According to the present invention, it is possible to cover the projecting portion with the second accommodating portion while picking the knob, so that the rubber boot can be easily attached.

In the rubber boot concerning Example 1 of the present invention, it is a side view showing the state where the electric wire penetration part was rolled up. It is a side view showing the state which accommodated the 1st connector in the 1st accommodating part. It is a side view showing the state which returned the electric wire insertion part. It is a side view showing the state which raised the 2nd accommodating part and made the 1st connector face the 2nd connector. It is a side view showing the state where the 1st connector was made to fit in the 2nd connector. It is a side view showing the state which covered the 2nd accommodating part on the protruding part. It is sectional drawing which shows the state which rolled up the electric wire insertion part and was arrange | positioned so that the 1st connector could be accommodated in the 1st accommodating part. It is sectional drawing showing the state which accommodated the 1st connector in the 1st accommodating part. It is sectional drawing showing the state which returned the electric wire insertion part. It is sectional drawing which shows the state which raised the 2nd accommodating part and made the 1st connector face the 2nd connector. It is sectional drawing showing the state which made the 2nd connector fit the 1st connector. It is sectional drawing showing the state which covered the 2nd accommodating part on the protruding part. It is a side view of a rubber boot. It is a front view of a rubber boot. It is a rear view of a rubber boot. It is a bottom view of a rubber boot. It is sectional drawing showing the inner surface shape of the upper wall of a rubber boot.

Preferred embodiments of the present invention are shown below.
A holding portion that holds the second storage portion in a raised state is formed outside the first storage portion prior to covering the protruding portion with the second storage portion. Thereby, since it is not necessary to perform the operation | work which raises a 2nd accommodating part on the site | part which covers a 2nd accommodating part on a protruding part, workability | operativity improves more.

  A holding receiving portion that is locked to the holding portion is formed in the knob portion. As a result, the holding receiving portion can be locked to the holding portion and the locked state can be released while the knob portion is being picked, so that the work is not interrupted and better workability is ensured. The

  The first housing portion and the second housing portion communicate with each other on the opposite side, and have a cylindrical wire insertion portion into which an electric wire drawn out from the first connector can be inserted, and at the edge of the wire insertion portion, Prior to covering the first connector with the first housing portion, a slit is formed to cover the wire insertion portion. The operation of covering the first connector with the first connector by the slit can be easily performed.

<Example 1>
A first embodiment of the present invention will be described with reference to FIGS. The rubber boot 10 according to the present embodiment is attached across the protruding portion 70 of the sensor (auxiliary machine) mounted on the vehicle and the first connector 90 which is a connection partner thereof, and has elasticity. It is comprised with the rubber material which has. In the following description, with respect to the front-rear direction, the left side of each drawing excluding FIGS. 14 and 15 is the front, and the vertical direction is based on each drawing excluding FIGS. 16 and 17.

First, the structure of the protruding portion 70 and the first connector 90 will be briefly described.
As shown in FIG. 4, the protruding portion 70 has a cylindrical shape, and a second connector 80 protruding in the direction (rearward) intersecting the protruding direction (vertical direction) is provided on the rear surface thereof. The second connector 80 has a base 81 having a small diameter that protrudes substantially horizontally from the upper end of the rear surface of the protruding portion 70.

  The first connector 90 can be internally fitted with the second connector 80 from the front. As shown in FIG. 7, the electric wire 60 is drawn from the rear surface of the first connector 90, and the drawn electric wire 60 is arranged to extend rearward from the rear surface of the first connector 90. A step portion 92 is formed on the lower surface of the first connector 90, and a rear region of the lower surface of the first connector 90 with the step portion 92 as a boundary is disposed one step lower than the front region. A lock arm (not shown) is formed at the upper end portion of the first connector 90, and the fitting state with the second connector 80 can be held by the lock arm at the time of fitting.

Next, the structure of the rubber boot 10 will be described.
As shown in FIG. 13, the rubber boot 10 includes a first housing portion 11 disposed along the front-rear direction at the rear and a second housing portion 12 disposed along the up-down direction at the front, and has side surfaces as a whole. It has a substantially L-shaped cylindrical shape.

  The first accommodating portion 11 covers the first connector 90 so that the first connector 90 can be accommodated in a positioned state. As shown in FIG. 17, the inner surface is fitted along the outer peripheral shape of the first connector 90. A surface 13 is formed. As shown in FIG. 8, the front end portion of the fitting surface 13 on the upper wall of the first housing portion 11 can be in contact with the front end of the first connector 90 to restrict the displacement of the first connector 90 toward the front. The front restricting portion 14 is formed in a stepped shape. Similarly, as shown in FIG. 8, the rear end portion of the fitting surface 13 in the lower wall of the first housing portion 11 is in contact with the stepped portion 92 of the first connector 90 to the rear of the first connector 90. A rear restricting portion 15 capable of restricting misalignment is formed to protrude.

  As shown in FIG. 7, the thin wall portion 16 that is thinner than the surroundings is formed on the upper wall of the first housing portion 11 at a position that can face the lock arm in a state where the first connector 90 is properly housed. Has been. The lock arm can smoothly perform the fitting operation and the detaching operation with the second connector 80 through the thin portion 16.

  Further, as shown in FIG. 7, the second housing portion 12 is raised on the outer surface of the upper wall of the first housing portion 11 immediately after the thin portion 16 and at a position overlapping the rear regulating portion 15 in the front-rear direction. A holding portion 17 is provided to hold the state. The holding portion 17 has the thickest shape in the rubber boot 10 and has a strength capable of locking a holding receiving portion 29 described later.

  Further, as shown in FIG. 7, a connecting wall 18 is formed at the front end of the upper wall of the first housing portion 11 so as to protrude diagonally downward at a position that can face the upper end of the front surface of the first connector 90. . The lower end of the connecting wall 18 is integrally connected to a ceiling wall 24 of the second housing portion 12 described later. A communication port 19 that communicates with the second housing portion 12 is opened below the connecting wall 18 at the front end of the first housing portion 11.

  Further, as shown in FIG. 9, the rubber boot 10 has an electric wire insertion portion 21 that communicates with the rear end of the first housing portion 11 and extends rearward. The electric wire insertion portion 21 is connected to the first housing portion 11 via the step portion 22 and has a cylindrical shape with a diameter smaller than that of the first housing portion 11. An electric wire 60 is inserted into the electric wire insertion portion 21 in a loosely fitted state.

  As shown in FIG. 16, a slit 23 that extends linearly from the rear edge toward the front is cut into the lower end of the wire insertion portion 21. The slit 23 straddles the step portion 22 and extends toward the first housing portion 11, and the front end thereof is located near the fitting surface 13 on the lower wall of the first housing portion 11. Here, when the first connector 90 is accommodated in the first accommodating portion 11, as shown in FIG. 7, the wire insertion portion 21 is temporarily held in a state of being raised toward the first accommodating portion 11. However, in this case, the wire 23 can be smoothly lifted up by being deformed so that the slit 23 opens in the process of lifting the wire insert 21.

  On the other hand, as shown in FIG. 7, the second housing portion 12 is configured to communicate with the first housing portion 11 via the communication port 19 and extend downward. As shown in FIG. 12, the second housing portion 12 covers the projecting portion 70 and can accommodate the projecting portion 70 in a positioned state. Specifically, the second accommodating portion 12 is disposed along the upper surface of the projecting portion 70 and is arranged along the peripheral surface of the projecting portion 70, and the ceiling wall 24 that can be in close contact with the upper surface. It has a peripheral wall 25 that can be brought into close contact with the peripheral surface, and has a cylindrical shape with the upper surface closed as a whole. The inner diameter dimension of the second housing portion 12 in the natural state (the state before being attached to the protruding portion 70) is slightly smaller than the outer diameter dimension of the protruding portion 70.

  The upper surface of the ceiling wall 24 is disposed at a position one level lower than the upper surface of the upper wall of the first housing portion 11. Further, as shown in FIG. 14, a small tube portion 26 bulges upward at the center portion of the ceiling wall 24. As shown in FIG. 12, the small tube portion 26 is disposed in close contact with a small protrusion 71 protruding from the center of the upper surface of the protrusion 70 when attached to the protrusion 70. It is like that. In the case of the present embodiment, the peripheral wall 25 is closed over the entire periphery and does not have an opening portion like the slit 23.

  As shown in FIG. 16, a flange portion 27 is formed at the lower end of the second housing portion 12 so as to protrude in the radial direction. Similarly, as shown in FIG. 16, a knob 28 is formed on the front edge of the lower end of the second housing 12 so as to protrude forward. The knob 28 has a rectangular plate shape and is configured to have a size that can be picked with fingers. A holding receiving portion 29 having a rectangular shape in plan view is formed in the center of the knob portion 28 so as to open. As shown in FIG. 10, the holding receiving portion 29 is locked in a hooked state on the holding portion 17 in a state where the second receiving portion 12 is raised to the first receiving portion 11 side. And as shown in FIG.13 and FIG.14, the rib 31 along the width direction is protrudingly provided by the upper surface front edge of the knob | pick part 28. As shown in FIG.

The structure of the rubber boot 10 is as described above. Next, the operation of placing the rubber boot 10 on the first connector 90 and the protruding portion 70 will be described.
First, as shown in FIGS. 1 and 7, the electric wire insertion portion 21 is raised to the first housing portion 11 side through the slit 23. Thereby, the back of the 1st accommodating part 11 opens large so that the 1st connector 90 can be inserted.

  Next, as shown in FIGS. 2 and 8, the first connector 90 is inserted into the first accommodating portion 11 from the rear. The first connector 90 that is normally inserted into the first housing portion 11 is stopped by the front restricting portion 14 and is prevented from coming off by the rear restricting portion 15.

  Next, as shown in FIG. 3 and FIG. 9, the electric wire insertion part 21 is corrected and returned to its original state. Then, the electric wire 60 extending from the rear surface of the first connector 90 is inserted into the electric wire insertion portion 21.

  Next, as shown in FIGS. 4 and 10, the second housing portion 12 is raised to the first housing portion 11 side. In this case, the front part of the peripheral wall 25 of the second housing part 12 is lifted upside down while picking the knob part 28, and in this state, the knob part 28 is pulled rearward, and the holding part 17 is fitted into the holding receiving part 29. Try to hook. Then, the 2nd accommodating part 12 is hold | maintained in the state raised up to the 1st accommodating part 11 side by the holding | maintenance part 17. FIG. At this time, the second housing portion 12 is deformed to be pulled toward the first housing portion 11, and the front of the second housing portion 12 is greatly opened so that the protruding portion 70 can be inserted.

  Next, the first connector 90 is directly opposed to the rear of the second connector 80, and in this state, the first connector 90 is fitted to the second connector 80 as shown in FIGS. At this time, the second housing portion 12 is held in a state of being raised toward the first housing portion 11, and the base portion 81 of the second connector 80 is disposed through the communication port 19 of the rubber boot 10. The

  Thereafter, the knob 28 is lifted to disengage the holding receiver 29 from the holder 17, and in that state, as shown in FIGS. 6 and 12, the knob 28 is pulled down to the front side of the projecting portion 70, The second accommodating portion 12 is put on the protruding portion 70. As a result, the projecting portion 70 is elastically adhered to the inner surface of the second accommodating portion 12, and the first connector 90 is elastically adhered to the inner surface of the first accommodating portion 11.

  As described above, according to the present embodiment, the projecting portion 70 can be covered with the second accommodating portion 12 while the knob portion 28 is being picked, so that the rubber boot 10 can be easily attached.

  In addition, since the holding portion 17 that holds the second accommodating portion 12 in a state where the second accommodating portion 12 is lifted is formed in the first accommodating portion 11, the second accommodating portion is provided on the site where the protruding portion 70 covers the second accommodating portion 12. There is no need to perform the work of lifting up the parts 12 one by one, and the workability is further improved.

Further, since the holding portion 29 is locked to the holding portion 17 and the knob portion 28 is formed, the locking operation to the holding portion 17 and the unlocking operation are smoothly performed along with the work of attaching the rubber boot 10. Can be done.
Furthermore, since the slit 23 is inserted in the electric wire insertion portion 21, it is possible to easily perform the operation of inserting the first connector 90 into the first accommodating portion 11 in a state where the electric wire insertion portion 21 is raised. .

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following aspects are also included in the technical scope of the present invention.
(1) A knob portion that can be picked when the wire insertion portion is raised to the first housing portion side may also be formed.
(2) A holding receiving portion that can be hooked to the holding portion in the hooked state may also be formed on the wire insertion portion side.
(3) A bellows-like corrugated region may be formed in the wire insertion portion.
(4) The protruding portion may be formed on an auxiliary machine other than the sensor mounted on the vehicle.

DESCRIPTION OF SYMBOLS 10 ... Rubber boot 11 ... 1st accommodating part 12 ... 2nd accommodating part 17 ... Holding | maintenance part 21 ... Electric wire insertion part 23 ... Slit 28 ... Knob part 29 ... Holding receiving part 60 ... Electric wire 70 ... Projection part 80 ... 2nd connector 90 ... First connector

Claims (4)

When the second connector is installed on the protruding portion of the auxiliary machine and the first connector can be fitted to the second connector,
A first accommodating portion that covers the first connector and can accommodate the first connector in a positioning state;
A second accommodating portion that communicates with the first accommodating portion, covers the protruding portion, and can accommodate the protruding portion in a positioning state;
A rubber boot, comprising: a knob portion protruding outside the second storage portion and capable of being picked when the projecting portion is covered with the second storage portion.   A holding portion that holds the second storage portion in a raised state is formed outside the first storage portion before the second storage portion is placed on the protruding portion. The rubber boot according to claim 1.   The rubber boot according to claim 2, wherein a holding receiving portion that is locked to the holding portion is formed in the knob portion. Communicating with the opposite side of the first housing portion and the second housing portion, and having a cylindrical wire insertion portion capable of inserting an electric wire drawn from the first connector;
The slit for turning up the said wire insertion part is put in the edge of the said wire insertion part prior to covering the said 1st accommodating part on the said 1st connector, The Claim 1 thru | or 3 characterized by the above-mentioned. The rubber boot of any one of Claims.

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