JP2003299549A - Rear seat monitor - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a rear-seat monitor that is easy to see in a rear seat and that can appropriately connect and process information transmission lines. A monitor mounted on a headrest is provided.
And a headrest mounting sleeve 110 housed in the backrest 100 on which the headrest is mounted, and a headrest mounting pole 210 integrated with the headrest and fitted to the sleeve. The sleeve 110 is provided with a first information transmission line, and the pole 210 is provided with a second information transmission line extending from a monitor. The end of the first information transmission line is formed with a first connector 120 that slides in the sleeve, and the end of the pole is a second connector 220 coupled to the first connector 120 by fitting the pole to the sleeve. Have.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitor mounted on a headrest of a front seat and used by a passenger in the rear seat, a headrest equipped with this monitor, a backrest suitable for use of this monitor, and It relates to a seat using a monitor. In particular, the present invention relates to a rear-seat monitor that allows easy connection / disconnection of the information transmission line of the monitor when the headrest is attached to / detached from the backrest of the front seat.

[0002]

2. Description of the Related Art In recent years, computerization of in-vehicle equipment has been remarkable. In particular, the provision of information using a monitor is being used, and it is becoming an environment in which it is possible not only to provide information to the driver but also to provide free information to fellow passengers. For example, information can be provided to passengers in the passenger seat by diverting the monitor for the driver or by installing the monitor on the dashboard in front of the passenger seat.

[0003]

However, there are various vehicle types for passengers in the rear seat, and it is difficult to uniquely determine the installation position of the monitor, the method of connecting the information transmission line to the monitor, and the like. Therefore, there is a problem that it is difficult to provide appropriate information.

For example, Japanese Patent Application Laid-Open No. 11-151988 discloses a display stand capable of adjusting and moving the monitor not only in the front seat but also in the rear seat. However, this configuration requires a large stand that allows the monitors to be moved to both the front seats and the rear seats, and a large space is also required to handle the stand.

Further, Japanese Patent Laid-Open No. 2002-2395 discloses a structure in which a monitor is mounted on the back surface of the headrest in the front seat. However, in this configuration, there is no description about the wiring means of the information transmission line, and it is likely that the information transmission line crawls to the monitor in the state of being exposed to the outside of the seat, which is very unsightly and is caught. There is also.

Therefore, a main object of the present invention is to provide a rear seat monitor which is easy to see in the rear seat and which can appropriately connect and process information transmission lines.

Another object of the present invention is to provide a headrest of an in-vehicle seat and a vehicle-mounted seat using a monitor capable of obtaining an appropriate visual field in the rear seat and appropriately connecting and processing information transmission lines. To provide a backrest and a vehicle seat.

[0008]

SUMMARY OF THE INVENTION The present invention achieves the above object by processing an information transmission line of a monitor by using a mounting structure for mounting a monitor on a headrest of a seat and mounting the headrest on a backrest. To achieve.

That is, in the rear seat monitor of the present invention, the monitor mounted on the headrest, the headrest mounting sleeve accommodated in the backrest on which the headrest is mounted, and the headrest are integrally fitted to the sleeve. A headrest mounting pole, a first information transmission line introduced into the sleeve, a second information transmission line extending from the monitor and introduced into the pole, and formed at an end of the first information transmission line. A first connector that slides in the sleeve; and a second connector that is formed at an end of the pole and that is coupled to the first connector by fitting the pole into the sleeve. .

By mounting the monitor on the headrest, a passenger in the rear seat can obtain an appropriate visual field without any trouble.
Further, since the headrest is usually configured to be attachable to and detachable from the backrest, if the first connector and the second connector connectable by mounting the headrest on the backrest are used, the information transmission line to the monitor can be All processing can be done in the headrest or in the backrest. Therefore, it is not necessary to expose the information transmission line to the outside of the sheet and to handle it, and there is no fear of being caught.

The present invention will be described in more detail below. The monitor is attached to the back of the headrest (rear seat side). This monitor may be embedded in the headrest,
It may be configured to be attached to the outside. The embedded type does not have a protruding part from the headrest and can be designed with a high sense of unity with the headrest.

Usually, the structure for attaching the headrest to the backrest is performed by inserting a pole integrated with the headrest into a sleeve provided on the upper part of the backrest. Generally, the sleeve and the pole are often used in pairs.

Each of the sleeve and the pole is provided with a first connector and a second connector which are coupled to each other. The first connector is provided so as to slide in the pole of the backrest in the axial direction.

The first connector is preferably provided with a detent. By providing the detent, when the pole of the backrest is inserted into the sleeve, the first connector can be held in the direction in which it can be coupled with the second connector. The second connector may be fixed to the pole in a predetermined direction. This is because, generally, the headrest has a fixed mounting direction on the backrest.

As a specific example of the rotation stopper, there may be mentioned a structure provided with an uneven portion extending in the axial direction of the sleeve and an uneven portion provided on the outer periphery of the first connector and fitted into the uneven portion. . For example, a groove extending in the axial direction may be formed on the inner surface of the sleeve, and a protrusion that fits into the groove may be provided on the outer periphery of the first connector. Of course, a ridge may be formed on the inner surface of the sleeve, and a recess that fits into the ridge may be formed on the outer periphery of the first connector. Alternatively, the sleeve and the pole may have a non-circular shape such as a polygonal shape, and the first connector may have a non-circular shape suitable for the sleeve to prevent the first connector from rotating.

Further, it is preferable to have a positioning mechanism for holding the position of the first connector in the axial direction of the sleeve when the pole is fitted to the sleeve and enabling the connection with the second connector. Since the first connector is slidable in the sleeve, even if you try to connect the second connector to the first connector by inserting the pole into the sleeve, the first connector is pushed by the end of the pole and escapes. Become. Therefore, if a positioning mechanism is provided,
It is possible to hold the position of the first connector to such an extent that it does not slide with the insertion force required to connect the second connector.

As a specific example of the positioning mechanism, a fitting portion provided on the sleeve, and a release portion which is normally biased to project from the first connector and is retracted by coupling the second connector, One that includes a stopper that engages and disengages with the fitting portion in conjunction with the release portion can be given.

More specifically, each of the release portion and the stopper is provided with an inclined surface to be joined to each other, and the release portion and the stopper are arranged substantially at right angles so that the release portion presses the stopper with the inclined surface. Then, a configuration in which the stopper is fitted to the fitting portion provided on the sleeve can be mentioned. In this case, it is preferable to use a compression spring for urging the release portion.

In addition, it is also possible to use a lever in which one end serves as a release portion and the other end serves as a stopper, and a lever rotatably supported at an intermediate portion is used. In this case, it is preferable to use an L-shaped lever for the lever, and it is preferable to use a torsion spring for urging the release portion.

In any configuration, the projecting position of the release portion may be the joint surface of the first connector with the second connector.

Further, it is preferable that the first connector is provided with a retaining member. After attaching the headrest to the backrest and connecting the first connector and the second connector,
To remove the headrest from the backrest, first
It is necessary to release the connection of the second connector. then,
If the retainer for the first connector that slides in the sleeve is provided, the first connector stops when the retainer stops. If the pole of the headrest is further pulled out from this stopped state, the connection between the first connector and the second connector can be released.

The retaining structure may be of any type as long as it can prevent the sliding of the first connector.
For example, if a groove that extends in the axial direction is formed on the inner surface of the sleeve as a detent for the first connector, and a protrusion that fits into this groove is provided on the outer periphery of the first connector, part of the groove It can be configured as a retainer by blocking the.

In the above description, the movable (slide) type first connector is provided in the backrest sheath, and the fixed second connector is formed on the headrest pole. Conversely, the fixed type second connector is fixed to the backrest sheath. The first connector may be provided and the movable second connector may be provided on the pole of the headrest. That is, the second connector is replaced with a structure in which it is connected to the end of the second information transmission line and slides inside the pole, and the first connector is formed at the end of the sleeve and the pole is fitted into the sleeve. You may replace with the structure combined with a 2nd connector by matching. in this case,
A configuration in which a pipe-shaped pole is fitted on the outer circumference of the sleeve is suitable.

As the first and second connectors used in the present invention, any connector can be used as long as it can connect cables for supplying power and transmitting signals to the monitor. Considering the coupling strength of the first and second connectors, it is possible to use a connector having a lock mechanism. On the other hand, considering the ease of detaching the headrest, it is conceivable to use a connector that does not have a lock mechanism and that is separated by a certain tension or more. Specifically, IEEE (Institute of Electrical
Electronics Engineers) 1394 and USB (Universal Se
rial Bus) and so on. All of these connect by connecting a male connector and a female connector, but either the first connector or the second connector may be a male connector or a female connector.

The invention further features the following headrest, backrest or seat.

A headrest mounted on the backrest of the seat, a monitor mounted on the headrest, a headrest mounting pole which is integrated with the headrest on the backrest side, and extends from the monitor and is introduced into the pole. A second information transmission line and a second connector connected to the second information transmission line and formed at an end of the pole, the second connector mounting the pole on the backrest side. By doing so, the headrest of the vehicle seat configured to be coupled to the first connector provided in the backrest.

A backrest to which a headrest equipped with a monitor is mounted, a headrest mounting sleeve accommodated in the backrest, a first information transmission line introduced into the sleeve, and the first information transmission line. A first connector connected and slidably fitted in the sleeve, the first connector configured to be coupled to a second connector formed on a second information transmission line extending from the monitor Seat backrest.

A backrest, a headrest detachable from the backrest, a headrest-mounting sleeve housed in the backrest, a headrest-mounting pole which is fitted to the sleeve integrally with the headrest, and the headrest. A monitor to be mounted, a first information transmission line introduced into the sleeve, a first connector formed at an end of the first information line and slidably fitted in the sleeve, and extending from the monitor. An in-vehicle device comprising a second information transmission line and a second connector which is connected to an end of the second information transmission line at an end of the pole and is connected to the first connector by inserting the pole into the sleeve. Sheet.

These headrest, backrest and seat are most suitable for use in the rear seat monitor of the present invention. In particular, if you prepare multiple types of headrests equipped with monitors of different sizes, depending on the request of the car purchaser,
You can easily change the monitor size simply by replacing the headrest.

[0030]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. (Embodiment 1) FIG. 1 is a schematic diagram showing a state in which a rear seat monitor of the present invention is mounted on a vehicle seat, and FIG. 2 shows a connection state of information transmission lines when a headrest is mounted on a backrest of the vehicle seat. It is a schematic explanatory view.

As shown in FIG. 1, a headrest 2 is provided above the backrest 100 in the front seats such as the driver's seat and the passenger seat.
00 is attached. A pair of headrest mounting sleeves 110 are embedded in the backrest 100, and the sleeve 1
Ten openings are exposed above the backrest. On the other hand, in the headrest 200, a monitor 205 is embedded in the back surface, and a pair of mounting poles 210 are projected downward.
Both the sleeve 110 and the pole 210 are made of a metal pipe, and the headrest 200 can be attached to the backrest 100 by inserting the pole 210 of the headrest into the sleeve 110 of the backrest.

Here, the first information transmission line 115 (see FIG. 2) drawn through the backrest from a wire harness (not shown) is introduced into the sleeve of the backrest, and the pole of the headrest 200 is introduced into the pole. A second information transmission line 215 extending from the monitor 205 is introduced. The first and second information transmission lines 115 and 215 are connected by connecting the first connector 120 that slides in the sleeve and the second connector 220 that is fixed to the pole end, and the information transmission to the monitor 205. Is done.

The coupling state of the first connector 120 and the second connector 220 will be described with reference to FIG. Inside the sleeve 110, a first connector 120 formed at the end of the first information transmission line 115 is slidably arranged. Further, the second connector 220 formed at the end of the second information transmission line 215 is fixed to the tip of the pole (FIG. 2A). When this pole 210 is inserted into the sleeve 110, the second connector 220
Will be coupled to the first connector 120, and both information transmission lines 115 and 215 will be connected (FIG. 2B). When both connectors are combined, the first connector 120
Slides in the sleeve and moves up and down (Fig. 2C).
In FIG. 2, the gap between the sleeve 110 and the pole 210 and the gap when the first and second connectors 120 and 220 are connected are exaggerated. Then, the first information transmission line 115 is provided at the lower end side of FIG.
By arranging the extra length, it is possible to prevent excessive tension from being applied to the first information transmission line 115 even if the first connector 120 slides in the sleeve.

Next, the specific structure of the first and second connectors 120, 220 will be described with reference to FIGS. FIG. 3 is a perspective view showing the configuration of the first connector 120. A first connector 120, which is formed in a substantially cylindrical shape, is slidably fitted in the sleeve 110. A female connector is formed on the upper surface of the first connector 120, and the first information transmission line 115 is drawn out on the lower surface. This female connector has contacts 122 arranged at intervals in a rectangular recess 121 formed on the upper surface, and contacts of a second connector 220 described later are fitted between these contacts.

A circular groove 123 is formed on the upper surface of the first connector 120 so as to surround the recess 121. The pole end of the headrest 200 is fitted into the circular groove 123.

Further, a concave groove 111 along the axial direction is formed on the inner peripheral surface of the sleeve 110, and a projection 124 which is fitted into the concave groove 111 is formed on the outer peripheral surface of the first connector 120.
The first connector 120 is configured so as not to rotate within the sleeve 110.

At the upper end side of the concave groove 111, there is provided a blocking portion 112 with the inside filled, and it functions as a stopper for the first connector 120. That is, the protrusion 12 on the outer periphery of the first connector
The contact of 4 with this interruption part 112 defines the upper limit of movement of the first connector. Of course, the lower end side of the concave groove 111 is similarly provided with a blocking portion that defines the lower limit of movement.

A positioning mechanism for the first connector 120 is formed on the bottom surface of the recess of the first connector 120. The positioning mechanism includes a release portion 125 that is normally biased upward and protrudes from the bottom surface of the concave portion of the first connector, and is retracted by the coupling of the second connector 220, and a stopper 130 that interlocks with the release portion 125. . The release part 125 has a prismatic upper part, an inclined surface 126 in the middle, and is urged upward by the repulsion of the compression spring 127 in the lower part. On the other hand, the stopper 130 has a block-like shape in which one end has a first inclined surface 131 along the inclined surface 126 of the release portion and the other end has a second inclined surface 132. This positioning mechanism is a sleeve
The position of the first connector 120 is held by inserting and removing the stopper 130 into and from the fitting hole 113 provided in the peripheral wall of the 110.

Next, the structure of the second connector 220 will be described with reference to FIG. FIG. 4 is a perspective view of the second connector. The second connector 220 is housed and fixed at the end of the pole 210 protruding from the headrest. By disposing the second connector so as not to project from the end of the pole 210, it is possible to prevent the end of the second connector 220 from being damaged. On the lower surface side of this connector 220, there is a block-shaped projection 221 inserted between the contacts of the first connector 120, and this projection 221 is provided with a contact 222. A second information transmission line 215 extending from the monitor 205 is connected to the upper surface side.

Sleeve 1 comprising the above-mentioned first connector 120
The operation of inserting the pole 210 having the second connector 220 into 10 and connecting both connectors will be described with reference to FIGS. FIG. 5 is a vertical cross-sectional view showing a state before coupling both connectors,
FIG. 6 is a vertical cross-sectional view showing a state after the both connectors are coupled.

As shown in FIG. 5, before the connectors 120 and 220 are connected, the release portion 125 projects from the bottom surface of the first connector, and the stopper 130 is fitted in the fitting hole 113 of the sleeve. In this state, the release portion 125 is pushed up by the repulsive force of the compression spring 127, the inclined surface 126 of the release portion presses the first inclined surface 131 of the stopper to move the stopper 130 in the horizontal direction, and the second inclined surface of the stopper is moved. Side 132
Will be caught in the fitting hole 113 of the sleeve. By the catch of the stopper 130, the axial position of the first connector 120 can be held. If the stopper 130
Is above the fitting hole 113, the second connector 220 can be replaced by inserting the pole 210 into the sleeve 110.
The stopper 120 is pushed down, and the stopper 130 is moved to a state in which it is fitted in the fitting hole 113.

When the pole 210 is further inserted into the sleeve 110 from the state shown in FIG. 5, the second connector 220 is connected to the first connector 120 as shown in FIG. At that time, the end of the pole 210 is fitted into the circular groove 123 of the first connector, and the contact 222 of the second connector is inserted between the contacts 122 of the first connector. At the same time, the end of the second connector 220 pushes down the release part 125 protruding from the bottom of the first connector 120. As a result, a space is formed on the left side of the stopper 130 in FIG. 6, that is, between the release portion 125 and the stopper 130. When the pole 210 is further inserted into the sleeve 110, the second inclined surface 132 of the stopper is pressed against the lower edge of the sleeve fitting hole 113, and the stopper 130 is moved to the space formed between the stopper 130 and the release portion 125. It will come out from the fitting hole 113. When the stopper 130 comes out of the fitting hole 113, the first connector 120 and the second connector 220 are slid in the sleeve in a coupled state. Of course, since the first and second information transmission lines 115 and 215 have extra length in the backrest or the headrest, excessive tension does not act.

On the other hand, the headrest 200 is replaced with the backrest 100.
When removed from the, the pole 210 is pulled out from the sleeve 110. At this time, the protrusion 124 on the outer periphery of the first connector abuts the blocking portion 112 of the concave groove 111 to stop the rise of the first connector 120. If the pole 210 is further pulled out from the sleeve 110 in that state, the second connector 220 is pulled out from the first connector 120,
The connection between both connectors 120 and 220 is released.

As described above, by using the monitor of the present invention, the information transmission line of the monitor can be easily connected by utilizing the mounting structure of the backrest and the headrest. that time,
Since all the information transmission lines are housed in the backrest and the headrest, the information transmission lines are not exposed to the outside.

(Example 2) In Example 1, the headrest
The second connector 220 housed in the pole end of 200 and the first connector 120 coupled to the second connector 220 have been described as an example, but in this example, the second connector protruding from the pole end and the second connector The first connector coupled to the two connectors will be described.

FIG. 7 is a schematic configuration diagram of the second connector 220 formed at the pole end portion of the headrest 200 of the present invention.
The second connector 220 has a configuration in which a block-shaped protrusion 221 is exposed from the end of the pole 210 and a contact 222 is formed on the protrusion surface. The other structure is the same as that of FIG. 4 except that the second connector itself is exposed from the end of the pole 210.

A state in which this second connector is used for connection with the first connector will be described with reference to FIGS. 8 and 9. FIG. 8 is a schematic perspective view showing a state before coupling both connectors, and FIG. 9 is a schematic perspective view showing a state after coupling both connectors.

As shown in FIG. 8, the first connector is also used in this example.
The configuration of 120 is basically the same as that of the first embodiment. However,
Since the second connector 220 projects from the pole end,
It is not necessary to provide a circular groove in which the end of the pole is fitted on the upper surface of the first connector 120. Therefore, the outer diameters of the first connector 120 and the sleeve 110 can be reduced.

In addition, the first connector 120 includes the release section 12
5, the stopper 130 is provided, and the fitting hole 113 is formed in the sleeve 110 as in the first embodiment.

Also in this example, when the second connector 220 is coupled to the first connector 120, the release portion 125 is pushed down, and as a result, the stopper 130 is disengaged from the fitting hole 113,
The first connector 120 and the second connector 220 can be slidable within the sleeve 110.

[0051]

As described above, according to the present invention,
By connecting the information transmission line of the monitor using the mechanism for mounting the headrest on the backrest, the information transmission line can be connected by a simple operation of attaching and detaching the headrest.

Further, it is possible to perform a visually attractive routing process without exposing the information transmission line to the outside of the sheet.

Therefore, by applying this monitor to an in-vehicle seat, a passenger in the rear seat can also use the information provided from the monitor with an appropriate field of view.

[Brief description of drawings]

FIG. 1 is a schematic view showing a state in which a rear seat monitor of the present invention is mounted on a vehicle seat.

FIG. 2 is a schematic explanatory view showing a connection state of information transmission lines when the headrest is mounted on the backrest of the vehicle seat of the present invention.

FIG. 3 is a schematic perspective view of a first connector in the monitor of the present invention.

FIG. 4 is a schematic perspective view of a second connector in the monitor of the present invention.

FIG. 5 is a schematic perspective view showing a state before the connectors shown in FIGS. 3 and 4 are connected to each other.

FIG. 6 is a schematic perspective view showing a state after the connectors of FIGS. 3 and 4 are joined together.

FIG. 7 is a schematic perspective view of a second connector protruding from an end of a pole.

FIG. 8 is a schematic perspective view showing a state before coupling both connectors according to the second embodiment.

FIG. 9 is a schematic perspective view showing a state after coupling both connectors in the second embodiment.

[Explanation of symbols]

100 backrest 110 sleeve 111 groove 112 Breaker 113 Mating hole 115 First information transmission line 120 First connector 121 recess 122 contacts 123 circular groove 124 protrusion 125 release section 126 slope 130 stopper 131 First slope 132 Second slope 200 headrest 205 monitor 210 sleeve 210 pole 215 Second information transmission line 220 Second connector 221 Protrusion 222 contacts

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kenji Uragi             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Takeo Uchino             1-3-3 Shimaya, Konohana-ku, Osaka Sumitomo Electric             Ki Industry Co., Ltd. Osaka Works F-term (reference) 3B084 DB01 DD01 DD07 JC04 JD04                 3B087 DC06 DE09                 3D020 BA04 BB01 BC11 BD02 BD11                       BE02                 5E021 FA04 FB07 FB16 FB20 FC38                       KA15

Claims (10)

[Claims] 1. A monitor mounted on a headrest, a headrest mounting sleeve housed in a backrest on which the headrest is mounted, a headrest mounting pole that is fitted to the sleeve integrally with the headrest, and the sleeve. A first information transmission line that is introduced into the first information transmission line, a second information transmission line that extends from the monitor and is introduced into the pole, and a second information transmission line that is formed at an end of the first information transmission line and slides in the sleeve. A monitor for a rear seat, comprising: a connector; and a second connector formed at an end of the pole and coupled to the first connector by fitting the pole into the sleeve. 2. The rear seat monitor according to claim 1, further comprising a detent for the first connector. 3. The detent includes an uneven strip portion extending in the axial direction of the sleeve, and an uneven strip portion provided on an outer periphery of the first connector and fitted into the uneven strip portion. The rear seat monitor according to claim 2. 4. A positioning mechanism is further provided which holds the axial position of the first connector in the sleeve axial direction when the pole is fitted to the sleeve and enables the connection with the second connector. The rear seat monitor according to item 1. 5. The positioning mechanism is urged so as to always protrude from the fitting portion provided on the sleeve and the first connector,
The rear seat monitor according to claim 4, further comprising: a release portion that is retracted by coupling the second connector, and a stopper that is engaged with and disengaged from the fitting portion in association with the release portion. 6. The rear seat monitor according to claim 1, further comprising a retainer for the first connector. 7. The second connector is replaced with a structure in which the second connector is connected to an end of the second information transmission line and slides in the pole, and the first connector is formed at an end of a sleeve. The rear seat monitor according to claim 1, wherein the pole is replaced with a structure in which the pole is fitted to the sleeve to be coupled to the second connector. 8. A headrest mounted on a backrest of a seat, a monitor mounted on the headrest, a headrest mounting pole which is integrated with the headrest and mounted on the backrest side, and an inside of the pole extending from the monitor. And a second connector connected to the second information transmission line and formed at an end of the pole, the second connector including the pole on the backrest side. A headrest for an in-vehicle seat, which is configured to be coupled to a first connector provided in the backrest by being mounted on the headrest. 9. A backrest to which a headrest equipped with a monitor is mounted, a headrest mounting sleeve accommodated in the backrest, a first information transmission line introduced into the sleeve, and the first information transmission. A first connector connected to a wire and slidably fitted in the sleeve, the first connector configured to mate with a second connector formed on a second information transmission line extending from the monitor. The backrest of the vehicle seat, which is characterized by 10. A backrest, a headrest detachable from the backrest, a headrest-mounting sleeve housed in the backrest, a headrest-mounting pole that is fitted to the sleeve integrally with the headrest, and A monitor mounted on a headrest; a first information transmission line introduced into the sleeve; a first connector formed at an end of the first information line and slidably fitted in the sleeve; A second connector extending from the second information transmission line, and a second connector connected to an end of the second information transmission line at an end of the pole and coupled to the first connector by inserting the pole into the sleeve. An in-vehicle seat that features