KR20120011317A - Child car seat - Google Patents

Abstract

PURPOSE: A child seat for vehicles is provided to improve operating performance using a common control unit which selectively operates an angle unlocking unit and a rotational unlocking unit. CONSTITUTION: A child seat(11) for vehicles comprises a seat body(13), a back support rear angle fixing unit, a base member(81), a seat turn position fixing tool(51), an angle unlocking unit, a rotation unlocking unit, and a common control unit(30). The back support rear angle fixing unit fixes the retroversion angle of a backboard part on the seat base portion. The seat turn position fixing tool fixes the rotation position of the seat body on the base member. The angle unlocking unit releases the fixed state by the back support rear angle fixing unit. The rotation unlocking unit releases the fixed state due to the seat turn position fixing tool. The common control unit selectively operates the angle unlocking unit and the rotation unlocking unit.

Description

Car seat for car {CHILD CAR SEAT}

The present invention relates to a control structure of a child seat attached to a seat of a vehicle and capable of rotation and reclining.

Conventionally, for example, Japanese Patent Application Laid-Open No. 2002-301964 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2003-291698 as a car seat for a vehicle in which the back portion of the seat body is reclining adjustable and the seat body is rotatable relative to the base member. The same thing as description in patent document 2) is known. In the vehicle child seat described in Patent Literature 1, when the seat body (seat body) is rotated with respect to the base member (base), the operator rotates the operation dial provided at the front end of the base member, The reclining lever provided at the front end of the main body is pulled up to release the seat main body.

Further, in the vehicle car seat described in Patent Literature 2, when the seat body (seat body) is rotated with respect to the base member (seat pedestal), the operator operates the rotation lock release operation portion provided at the front end of the base member to fix the seat body. You need to release it. Alternatively, when reclining the seat main body (seat main body), the operator needs to release the seat main body by operating the reclining operation unit provided at the front end of the seat main body.

Japanese Patent Application Laid-Open No. 2002-301964 Japanese Patent Application Laid-Open No. 2003-291698

However, in the vehicle car seat as described above, a problem as described below occurs. That is, since the operation part for reclining adjustment and the operation part for adjusting a rotation position are provided in the mutually spaced place, it has to operate individually, and there exists a problem that operation becomes complicated. In particular, in the case where the seat body is turned backward or laterally, the operation portion for reclining adjustment and the operation portion for adjusting the rotational position are remarkably separated, and the operation becomes more complicated.

SUMMARY OF THE INVENTION In view of the above-described circumstances, an object of the present invention is to provide a vehicle child seat which can be easily operated by an operator in both the case of reclining and adjusting the seat body relative to the base member. .

For this purpose, the vehicle child seat according to the present invention includes a seat body having a seat base portion and a rear viewable backrest portion, a backrest rear angle angle fixing mechanism for fixing a rear view angle of the backrest portion with respect to the seat base portion; A base member rotatably supporting the seat body, a seat rotation position fixing mechanism for fixing the rotational position of the seat body relative to the base member, an angle lock release mechanism for releasing the fixed state by the backrest rear angle angle fixing mechanism, A rotation lock release mechanism for releasing the fixed state by the seat rotation position fixing mechanism, and a common operation portion for selectively operating the angle lock release mechanism and the rotation lock release mechanism.

According to this invention, since it has a common operation part which selectively operates an angular lock release mechanism and a rotation lock release mechanism, reclining a seat main body or operating a seat main body with respect to a base member by operating one common operation part. You can rotate it. Therefore, the operation is simplified.

The common operation part may be an operator such as a button, a lever, a dial, a rod-shaped body, as an example, for example, by operating one operator in one direction to operate the angle lock release mechanism, By operating in the other direction, the rotary lock release mechanism is operated. Or the common operation part has a 1st operator, the 2nd operator arrange | positioned adjacent to the 1st operator, and the operation base which supports these operators, and a 1st operator and a 2nd operator operate similarly, and the angle lock release mechanism And either one of the rotation lock release mechanism and the other lock operation may be operated by being operated in an identical manner.

The same operation means that these operators are operated in the same direction, and the moving distances by the operation may be the same or different. Non-identical operation means that these operators are operated in different directions, or that one operator is fixed and only the other operator is operated. In order to easily perform such a same operation, various structures are considered, but as an embodiment, either one of a 1st operator and a 2nd operator can be press-fitted toward an operation base, and it operates in a press-in position. It may be disabled. According to this embodiment, the same operation of two operators can be implemented by a simple structure.

In the conventional child seat, since the operation part is provided in the front end of the seat main body left part, when a seat main body became a backward position, the base member was covered with the operation part, and operation was difficult. In contrast, as an embodiment of the present invention, the common operation portion is provided in the backrest portion. Since the backrest protrudes from the base member, according to this embodiment, since the operator's hand easily reaches the common operation part, the operation performance is improved.

Although the present invention is not limited to one embodiment, the backrest tilt angle fixing mechanism has a rear tilt angle fixing member engaged with the seat base engaging portion formed in the seat base portion to fix the rear tilt angle, and the angle lock The release mechanism has an angular lock release member that connects the first operator and the rear view angle fixing member, and the seat rotational position fixing mechanism is attached to the seat base portion and engages with the base member engaged portion formed in the base member. It has a fixing member, the rotary lock release mechanism has an intermediate connecting member to connect the first operator and the second operator to move the rotation position fixing member by non-identical operation of these operators, the common operation portion is the first operator and the second operator The engagement with the seat base engaging part is released by moving only the rear-angle angle fixing member by the same operation. And a first operator and by moving the rotational position fixing member by the non-operation similar to the second operator may be released to engage with the base member engaged the engagement. In addition, the term "extension" here means connecting two elements directly, or indirectly connecting through a link member or a directing part.

The first operator and the second operator may move forward or backward, or may rotate, and the direction of operation is not particularly limited, but in one embodiment, the first operator and the second operator extend vertically in the backrest portion. As the forward and backward movement, the angular lock release member is fixed to the lower end of the first shaft extending downward from the first operator, and the angular lock release member is formed with a guide extending at an angle with respect to the forward and backward direction, The rear-angle angle fixing member may be a shaft which one end engages with the guide, the other end can be pulled out of the seat base engaging portion, and extends in the left and right width directions of the back portion.

In addition, as an embodiment, the intermediate connecting member is pulled by the angular locking release member, pulled up by the lower end of the second shaft which is addressed downward from the second operator with the extraction point as the point, and the pulling When rotating, move the rotational position fixing member.

Moreover, as one Embodiment, the backrest part can adjust rearview angle intermittently, and the intermediate connecting member selectively connects to the some connection location formed in the rotation position fixing member corresponding to the individual rearview angle of backrest part when pulling up.

As a preferred embodiment, the backrest can be rearviewed to the bed state, in which the intermediate connecting member is spaced apart from the rotational position fixing member, and the rotational position fixing member is not moved. According to this embodiment, the seat main body in a bed state becomes impossible to rotate. In this way, it is possible to prevent improper use that the backrest portion, which is largely backward, collides with the seat base portion by rotating the seat body.

As described above, the vehicle child seat of the present invention includes a common operation portion for selectively operating the angular lock release mechanism and the rotation lock release mechanism. In the above, the operator can easily operate. Therefore, when performing reclining adjustment and rotation position adjustment in series, operation performance improves.

BRIEF DESCRIPTION OF THE DRAWINGS The longitudinal cross-sectional view which shows the child car seat which becomes one Example of this invention.
Fig. 2 is a rear view showing the back portion of the embodiment taken out.
Fig. 3 is a plan view showing the base member of the embodiment taken out.
Fig. 4 is a perspective view showing the common operation part of the embodiment taken out.
5 is an exploded perspective view illustrating a common operation part of FIG. 4.
Fig. 6 is an explanatory view showing the positions of the rear tilt angle fixing member and the angle lock release member in a fixed state for fixing the rear tilt angle of the backrest portion;
Fig. 7 is an explanatory diagram showing the positions of the rear-angle angle fixing member and the angle locking release member in which the fixing state is released.
8 is an explanatory diagram showing a state of a chair in which the backrest part is most raised;
FIG. 9 is an explanatory view showing a chair state in which the backrest part is rearward than the state shown in FIG. 8; FIG.
10 is an explanatory diagram showing a bed state in which the backrest part is the most backward-looking;
11 is an explanatory diagram showing a positional relationship of the seat body shown in FIGS. 8 to 10.
Fig. 12 is an explanatory diagram comparing the movements of the common operation portion and the intermediate connecting member, wherein (a) shows a normal state, (b) shows a state where the first operator is pressed into and cannot move, and (c) shows A figure which shows the state which raised the 2nd operator.
FIG. 13 is a longitudinal sectional view showing a state in the middle of pulling up only a second operator upward; FIG.
It is explanatory drawing which shows the state which the intermediate connecting member engaged with the rotation position fixing member.
15 is a longitudinal sectional view showing a state in which the second manipulator of FIG. 13 is fully lifted up.
FIG. 16 is a longitudinal sectional view showing a state where the seat body shown in FIG. 15 is rotated 180 degrees. FIG.
FIG. 17 is a longitudinal sectional view showing a state in the middle of returning a second manipulator shown in FIG. 16 downward; FIG.
FIG. 18 is a longitudinal sectional view showing a state in which only a second operator is pulled upward in a chair state having a back seat back;
19 is a longitudinal sectional view showing a state in which the second manipulator of FIG. 18 is completely lifted up.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described in detail based on the Example shown in drawing. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a longitudinal sectional view showing a child car seat which is an embodiment of the present invention. Fig. 2 is a rear view showing the backrest portion of the embodiment taken out. Fig. 3 is a plan view showing the base member of the embodiment taken out. The vehicle child seat 11 includes a seat body 13 on which a child sits and a base member 81 rotatably supporting the seat body. The seat body 13 has a seat 15, a backrest 17 which can be rearviewed, and a seat base 19 that supports these seats and the backrest.

The rear end portion of the left portion 15 and the lower end portion of the backrest portion 17 are connected in a rotatable manner via a connecting shaft 71 extending in a straight line in the horizontal direction. In addition, a pair of side wall portions are formed on both left and right sides of the seat base portion 19, and the side wall portions support both the left and right sides of the seat 15 and the left and right sides of the backrest part 17. In other words, the seat part 15 and the backrest part 17 are supported so as to be movable in the front-back direction and the up-down direction, the chair state in which the backrest part 17 is erected and the chair state in which the backrest part 17 is rearviewed And, the backrest portion 17 is in the three state of the bed rearmost. Although details will be described later, the operator can set the seat body 13 to a desired chair state or a bed state.

A circular pedestal 19b is formed below the seat base 19. On the other hand, the base member 81 is formed with a circular recess 83 that receives the pedestal 19b. In this way, the seat body 13 is rotatable about a vertical virtual straight line O passing through the center of the base member 81. The pedestal 19b is prevented from being pulled out of the recess 83 by a fall prevention pin or a fall prevention guide (not shown).

The base member 81 is placed in the seat of the vehicle and is fixed to the seat of the vehicle by the vehicle's seat belt being crossed. In the standing portion 86 protruding upward from the rear end of the base member, a lock-off device 87 is provided for fixing the shoulder belt of the seat belt.

The backrest part 17 can change the rear tilt angle with respect to the seat base part 19, but is normally fixed so that the rear tilt angle may not change with the backrest rear angle lock mechanism which will be described later. And when performing reclining adjustment, the angle lock release mechanism mentioned later releases the fixed state by the backrest back angle fixation mechanism, and the operator performs backview to the foreground of the backrest part 17, and the desired backview diameter is performed. After adjusting to an angle, the rear tilt angle is fixed again by a back tilt angle fixing mechanism of a backrest.

The seat body 13 is rotatable about a vertical virtual straight line O passing through the center of the base member 81, but is usually fixed so that the rotation position does not change by the seat rotation position fixing mechanism described later. . And when adjusting a rotation position, the fixed state by a seat rotation position fixing mechanism is canceled by the rotation lock release mechanism mentioned later, and the operator performs the right to left rotation of the seat main body 13, and adjusts to a desired rotation position. After that, the rotation position is fixed again by the seat rotation position fixing mechanism.

The common operation part 30 is provided in the back side of the backrest part 17. As shown in FIG. The common operation part 30 is provided at the center of the left and right directions of the backrest part 17. The common operation part 30 has the 1st operator 31, the 2nd operator 32 arrange | positioned adjacent to the 1st operator 31, and the operation base 35 which supports these operators 31 and 32. As shown in FIG. The operation base 35 is integrally formed on the rear surface of the backrest part 17. The operator (31, 32) is operatively attached to the back of the backrest portion 17, the head side and waist of the infant supported by the vertical direction of the backrest portion 17, that is, the backrest portion (17) It moves forward and backward in the longitudinal direction connecting the side. An operator can selectively operate the angle lock release mechanism and the rotation lock release mechanism by placing a finger on the operators 31 and 32 disposed on the upper end of the backrest portion 17 and operating the common operation portion 30. Details will be described later.

Fig. 4 is a perspective view showing the common operation part of the embodiment taken out and shown in Fig. 5, which is an exploded perspective view showing the common operation part of Fig. 4, and these drawings show a state seen from the back side of the backrest part. The first operator 31 is a long vertical rectangle, and the first shaft 33 extending downward is integrally coupled to the lower end of the first operator 31. The first operator 31 is relatively large in thickness, and the first shaft 33 is relatively small in thickness and has a flat bar shape. Thereby, the 1st shaft 33 can elastically deform | transform as shown by the broken line in FIG. 5, and can press-in the 1st operator 31 toward the operation base 35. As shown in FIG.

The second operator 32 is a vertically elongated rectangle positioned at the center of the width direction of the recess 32c and the recess 32c suitable for hooking up the second to fifth fingers of the operator's hand upwards. Through-hole 32h is formed. In addition, a second shaft 34 extending downward is integrally coupled to the lower end of the second operator 32.

The recessed part 32c is formed in the side away from the backrest part 17 among the 2nd operator 32 attached to the backrest part 17. As shown in FIG. Among the side parts of the second shaft 34, a flat rod-shaped first shaft 33 is disposed adjacent to the side surface close to the backrest part 17. In other words, the first shaft 33 is disposed between the backrest 17 and the second shaft 34, one side of the first shaft 33 faces the second shaft 34, and the other The face faces the backrest part 17. As shown in FIG. 4, in the ordinary state, the first operator 31 enters the through hole 32h to protrude and is positioned in the recess 32c. In addition, the lower edge of the first operator 31 protrudes from one surface of the first shaft 33 with a step. In this step, the first operator 31 rests on the lower edge of the through hole 32h and contacts the upper edge of the through hole 32h of the upper end of the first operator 31, so that the first operator 31 Moves forward and backward along the second operator 32 in the vertical direction of the backrest portion 17. As a result, the first operator 31 and the second operator 32 are operated in the same manner.

An angular lock release member 37 which protrudes evenly from the center axis of the first shaft 33 to the lower end side of the first shaft 33 is integrally coupled. Guides 39, each of which is a long hole, are drilled on both left and right sides of the angle lock release member 37 as the angle lock release mechanism. In addition, a pair of side wall portions 37w are erected toward the second shaft 34 from the left and right side edges of the angular lock release member 37.

Through-holes 37h are formed in the pair of side wall portions 37w, respectively. These left and right through holes 37h are located on a common axis line (shown by dashed-dotted lines in FIG. 5). Then, the left and right protrusions 42 of the intermediate connecting member 41 penetrate through the right and left through holes 37h, respectively. In this way, the intermediate connecting member 41 is squeezed to the left and right both edges of the angle lock release member 37. The intermediate connecting member 41 is rotatable about the axis mentioned above. The intermediate connecting member 41 is roughly C-shaped, and constitutes a pair of inward protrusions 43 whose opposite ends face each other. The intermediate connecting member 41 rotates using a pair of inward protrusions 43 as a stepped end and an intermediate region 45 connecting these inward protrusions as a base.

In addition to the pair of protrusions 42 protruding outward from the left and right directions in the middle region of the intermediate connecting member 41, the extension portions 44 positioned along the imaginary plane orthogonal to the rotation axis described above are provided. Specifically, the extension section 44 extends from the left and right sides of the intermediate connecting member 41 in the direction perpendicular to the rotation axis described above, respectively.

Long holes 44h are formed along the pair of left and right extending portions 44 extending parallel to each other. The long holes 44h face each other.

The lower end of the second shaft 34 is provided with a pair of projections 36 projecting outward in the left and right directions. These projections 36 penetrate and engage the long holes 44h, respectively, and can slide along the extending direction of the long holes 44h.

4, the lower end of the first shaft 33 and the lower end of the second shaft 34 pass through a coiled spring 38. The upper end of the spring 38 presses the backrest portion not shown in FIG. 4 upward, and the lower end of the spring 38 presses the lower end portions of the angular lock release member 37 and the second shaft 34 downward. Thereby, the spring 38 adds these operators 31 and 32 downward. And the operator 31 and 32 will be a downward position normally.

It is explanatory drawing which shows the position of the rear tilt angle fixing member and the angle lock release member in the fixed state which fixes the rear tilt angle of the backrest part. It is explanatory drawing which shows the position of the rear view angle fixed member and the angle lock release member in which the fixed state was released. 6 and 7 are states seen from the front side of the backrest portion. 8 is an explanatory diagram showing a state of a chair in which the backrest part is most raised. FIG. 9 is an explanatory diagram showing a chair state in which the backrest part is rearward than the state shown in FIG. 8. It is explanatory drawing which shows the bed state with which the backrest part is the most backward. 8 to 10 show that the backrest portion of this embodiment has been reclined adjusted in three forms. It is explanatory drawing which shows the positional relationship of the backrest part of the seat main body shown in FIGS. 8-10.

With reference to FIG. 6 thru | or 11, the back seat back angle fixing mechanism of this embodiment is demonstrated. The backrest tilt angle fixing mechanism has a pin 49 as the tilt angle fixing member. The pins 49 are arranged so that two rod-like bodies are symmetrical to each other, and extend in the lateral direction. One end of the pin 49 projects outward from the left and right side edges of the backrest portion 17, respectively. Further, the other end is formed in an L shape, and is inserted into and engaged with the guide 39 of the angular lock release member 37. In FIG. 6, when the pin 49 on the left side of the ground is described, the left end protrudes from the side edge 17s, the right end is formed by bending downward on the ground, and the upper left end of the guide 39 on the left side of the ground. Engage. The pin 49 on the right side of the page is also constituted symmetrically with the above.

Three holes 22a, 22b, and 22c are formed in the pair of side walls 21 which stand from both left and right edges of the seat base portion 19 and face each other. A pair of left and right pins 49 are selectively inserted into one of the holes 22a, 22b, and 22c to fix the rear view angle of the backrest portion 17. As shown in FIG.

As shown in FIG. 8, in the chair state in which the backrest part 17 is most erected, one end of the pin 49 protrudes from the side edge 17s of the backrest part 17 as shown in FIG. 6. It is inserted in 22a. Thereby, the rear tilt angle of the backrest part 17 is fixed.

When the operator makes the backrest part 17 rearward than the state shown in Fig. 8, the user first walks the finger on the recess 32c of the common operation part 30 and pulls it up. Then, it changes from the state shown in FIG. 6 to the state shown in FIG. 7 against the force of the spring 38. FIG. That is, the first operator 31 and the second operator 32 are operated in the same manner and move upward together. And the angle lock release member 37 which engages with the 1st operator 31 via the 1st shaft 33 also moves upwards by the same distance in the same direction.

The pair of guides 39 arranged horizontally and symmetrically extends in the inclined direction such that the upper ends are most separated from the left and right directions, and the lower ends are closest to the left and right directions.

The pins 49 respectively engaged with the guides 39 and extending outward from the left and right directions are attached to the backrest portion 17 so as not to move in the vertical direction. In other words, the pin 49 is attached to the pin 49 in the longitudinal direction (left and right directions) so as to be movable forward and backward and cannot move in the longitudinal right direction. For this reason, as the guide 39 of the angular lock release member 37 moves upward, the other end of the pin 49 slides along the guide 39 of the long hole, and one end of the pin 49 is moved. It is pulled to the left-right direction center side of the backrest part 17 (FIG. 7). As a result, one end of the pin 49 is pulled out of the hole 22a, and the fixed state by the backrest back angle fixing device is canceled | released. Next, the operator moves the backrest part 17 to adjust the desired back inclination angle with the first operator 31 and the second operator 32 raised, and finally removes the hand from the recess 32c. Then, by the force of the spring 38, the operator 31, 32 returns to a normal downward position (FIG. 7-FIG. 6), and the rear view angle of the backrest part 17 is fixed again.

This reclining adjustment is performed between the chair state and the bed state. Further, it is executed between the chair state in which the backrest part is most erected and the chair state in which the backrest part is relatively backward.

In addition, since the 1st operator 31 engages with the hole 32h of the 2nd operator 32 (FIG. 4), the 1st operator 31 is operated similarly with the 2nd operator 32 ( 6, 7). In addition, the intermediate connecting member 41 which connects the first operator 31 and the second operator 32 also moves forward and backward in the vertical direction together with the rotational position fixing member 51 described later. Spaced apart from each other (FIGS. 6 and 7). For this reason, the inner protrusion 43 does not engage with the rotation position fixing member 51.

FIG. 11 is an explanatory view showing the positional relationship of the seat body, particularly the backrest, shown in FIGS. 8 to 10, in which A corresponds to FIG. 8, B corresponds to FIG. 9, and C to FIG. 10. Corresponds. The left part 15 and the backrest part 17, which are connected via the connecting shaft 71, interlock with the reclining adjustment. Specifically, three elements of the connecting shaft 71, the backrest part 17, and the left part 15 are formed on the left and right sides of the guide grooves 23, 25 and the backrest part 17 formed on the pair of side walls 21, respectively. Guided by the formed guide grooves 24, respectively, the seat back portion A is placed from the most back seated state A to the seat back portion B relatively relatively backward, or vice versa. In addition, the backrest part becomes a bed state C from the relatively backward chair state B and vice versa.

Specifically, the left and right both ends of the connecting shaft 71 are inserted into the left and right pair of first guide grooves 23 respectively. In addition, a pair of backrest subshafts 18, which extend in the left and right directions opposite to each other, are fixedly provided on the left and right sidewalls 21, respectively, and the backrest shafts 18 face the central region in the vertical direction of the backrest part 17 in the vertical direction. have. The shaft 18 is located above the connecting shaft 71. Then, the left and right pairs of back support shafts 18 are inserted into the left and right pairs of second guide grooves 24 respectively. Thereby, the backrest part 17 is supported by the seat base member 19 via these two shafts 18 and 71.

In addition, a left axis (not shown) that extends in the left and right directions is provided in the front-rear direction center area of the left part 15. This shaft is located ahead of the connecting shaft 71. The left and right both ends of the left shaft are inserted into the left and right pairs of third guide grooves 25 respectively. Thereby, the seat 15 is also supported by the seat base member 19 via these two seat shafts and the linking shaft 71.

The connecting shaft 71 is slidable along the first guide groove 23, and the back support shaft 18 is slidable along the second guide groove 24, whereby the backrest 17 is moved, thereby reclining. Adjusted. An unillustrated left arm shaft provided in the left portion 15 can slide along the third guide groove 25, whereby the left portion 15 cooperates with the backrest portion 17.

Since the connecting shaft 71 slides along the first guide groove 23, it is understood that the lower ends of the backrest portion 17 are in different positions in the states A, B, and C of FIG. And with reference to the backrest part 17 shown by the solid line and the dashed-dotted line in FIG. 11, the intermediate connecting member 41 is spaced apart from the rotation position fixing member 51, changing a position for every state (A, B, C). . That is, in any of the three states shown in Figs. 8 to 10, the inward protrusions 43 engage with the rotational position fixing member 51, which will be described later, while the operators 31 and 32 are in the normal downward position (Fig. 6). There is nothing to do. In addition, the inner protrusions 43 do not engage the rotation position fixing member 51 while the operators 31 and 32 are operated in the same manner (FIG. 7).

8 to 10 show a case where the reclining adjustment is performed with the seat main body 13 facing backward, the reclining adjustment can also be performed with the seat main body 13 transverse to the base member 81. In addition, reclining adjustment with the seat main body 13 facing forward is not excluded.

The rotating lock release mechanism of the present embodiment will be described. Fig. 12 is an explanatory diagram comparing the movements of the common operation portion and the intermediate connecting member, wherein (a) shows a normal state, (b) shows a state where the first operator is pressed and cannot be moved, and (c) shows It shows the state which pulled up the 2nd operator, and is shown typically, seen from the left-right direction of a back part. Fig. 12A shows the same state as in Fig. 6, and the operators 31 and 32 are in the normal downward position. When an operator presses the first operator 31 by inserting a finger into the recessed part 32c, as shown in FIG. 12 (b), the first shaft 33 elastically deforms and bends, and the first operator 31 It is accommodated in the recessed part 35c formed in the operation base 35 out of the through-hole 32h. The recessed part 35c is dug up with the step 35d on the upper side. As a result, the upper end of the first operator 31 is locked to the step 35d, and the first operator 31 is restricted from moving upward from the recess 35c.

In FIG. 12B, when the operator places a finger on the recess 32c and pulls up the second operator 32 while pressing in the first operator 31, the first operator is shown in FIG. 12C. Only the second operator 32 moves upward with 31 being in the downward position. In this non-identical operation of the operator 31, 32, the angular lock release member 37, which is engaged with the first operator 31 via the first shaft 33, does not move, but through the second shaft 34. The projection 36 engaged with the second operator 32 moves upward against the downward biasing force of the spring 38. Then, the projection 36 slides the long hole 44h to draw the extension portion 44 into the angular unlocking member 37, and the intermediate connecting member 41 rotates around the projection 42 as a central axis (Fig. 12 (b) → (c)).

In addition, it will be understood that the pin 49 does not move in the left-right direction because the angular unlocking member 37 does not move in any of Figs. 12 (a) to (c). In this way, the angular lock release mechanism does not operate by non-identical operation of the operators 31 and 32, and only the intermediate connecting member 41 as the rotation lock release mechanism rotates. On the other hand, only the angle lock release mechanism is operated by the same operation of the above-described operators 31 and 32, and the intermediate connecting member 41 does not rotate (Figs. 6 to 10).

The non-identical operation of the operator 31, 32 shown in FIG. 12, and the rotation operation of the intermediate connecting member 41 release the fixed state of the rotation position of the seat main body 13 from FIG. 1 to FIG. 19 to 19 will be described with appropriate reference. It is a longitudinal cross-sectional view which shows the state in the middle of pulling up only a 2nd operator upward. It is explanatory drawing which shows the state which an intermediate connecting member engages with a rotation position fixing member. FIG. 15 is a longitudinal cross-sectional view showing a state in which the second operator of FIG. 13 is completely lifted up. It is a longitudinal cross-sectional view which shows the state which rotated the seat main body shown in FIG. 15 180 degrees. It is a longitudinal cross-sectional view which shows the state in the middle of returning the 2nd operator shown in FIG. 16 below. The rotational position fixing member 51 is provided inside the seat base part 19 so that rotation is possible.

The rotating position fixing member 51 as the seat rotating position fixing mechanism has a rotating shaft 52 extending in the horizontal direction and is pushed to the seat base portion 19 via the rotating shaft 52. The rotation prevention protrusion 53 is provided in the part of the rotation position fixing member 51 which is far from the rotation shaft 52. The anti-rotation protrusion 53 penetrates the seat base 19 and projects downward downward, and is usually inserted into the receiving hole 85 as the base member engaged portion drilled through the base member 81. The receiving hole 85 which extends downward is formed at intervals in the circumferential direction of the rotation center shown by O, as shown in FIG. In this embodiment, it is formed in four positions of a forward position, a backward position, a leftward position, and a rightward position at intervals of 90 degrees.

As shown in FIG. 13 to FIG. 17, connecting grooves 54 and 55 are formed at both side portions of the rotational position fixing member 51 positioned at both end sides of the rotation shaft 52.

Adjustment of the rotation position of the seat main body 13 is performed in the order of FIG. 1, FIG. 13, FIG. 15, FIG. 16, FIG. 17, and FIG.

In the state shown in FIG. 1, the 1st operator 31 engages with the 2nd operator 32 like FIG. 12 (a). Here, when the operator presses the first operator 31 to release the engagement thereof (Fig. 12 (b)) and starts to lift only the second operator 32 upward, the intermediate connecting member ( 41 starts to rotate, and the inner protrusion 43 reaches the end of the connecting groove 54 as shown in FIG.

Then, when the operator keeps pulling only the second manipulator 32 upward, the intermediate connecting member 41 continues to rotate, and the inward protrusion 43 enters the connection groove 54 and slides along the connection groove 54. . Then, the rotation position fixing member 51 rotates and is produced. When the second operator 32 is pulled up to the upper position shown in Fig. 12C, the rotation preventing projection 53 is completely pulled out of the receiving hole 85 as shown in Fig. 15.

Next, the operator rotates the seat main body 13 by the hand which raises the 2nd operator 32, and makes it the backward rotation position as shown, for example in FIG.

Finally, when the operator releases the second operator 32, the second operator 32 and the projection 36 return to the normal downward position by the force of the spring 38, and the intermediate connecting member ( 41 returns to the original position shown in Fig. 12A. Then, the inner protrusion 43 returns to the end of the connecting groove 54 as shown in FIG. 17 and finally falls from the rotational position fixing member 51 as shown in FIG. 8. As a result, the rotation position fixing member 51 rotates to its normal position at its own weight, and the rotation preventing projection 53 enters the corresponding receiving hole 85. In this way, the rotation position of the seat main body 13 is fixed again (FIG. 17).

Moreover, when the 2nd operator 32 returns to a normal downward position, the through hole 32h of the 2nd operator 32 will become the same position as the 1st operator 31, and the 1st operator 31 will One enters the through hole 32h by the restoring force of the shaft 33. In this way, the 1st operator 31 and the 2nd operator 32 return to the normal position shown to Fig.12 (a).

13 to 17 illustrate the state of the chair in which the backrest is most erected, the present embodiment will be described with reference to FIGS. 18 and 19 that the rotational position can be adjusted even in the state of the chair with the backrest relatively. FIG. 18 is a longitudinal sectional view showing a state in which only the second operator is pulled upward in a chair state having the backrest portion tilted backward. 19 is a longitudinal cross-sectional view showing a state in which the second operator of FIG. 18 is completely lifted up.

Adjustment of the rotation position of the seat main body 13 in this rearview chair state is performed in the order of FIG. 9, FIG. 18, FIG. When the operator presses the first operator 31 into the recess 35c of the operation base 35 and pulls up only the second operator 32, the inward protrusion 43 connects the connecting groove 55 as shown in FIG. 18. ) To the end.

And if an operator continues to pull up only the 2nd operator 32 upwards, the intermediate connecting member 41 will continue to rotate, and the inner protrusion 43 will enter into the connection groove 55 and slide along the connection groove 55. . Then, the rotation position fixing member 51 rotates and is produced. When the second operator 32 is pulled up to the upper position shown in Fig. 12C, the rotation preventing projection 53 is completely pulled out of the receiving hole 85 as shown in Fig. 19.

Next, the operator rotates the seat main body 13 by the hand which raises the 2nd operator 32, and sets it to a lateral rotation position, for example.

When the operator finally releases the second operator 32, the second operator 32 returns to the normal downward position by the force of the spring 38, and the rotation position fixing member 51 normally The rotation prevention projection 53 enters the corresponding receiving hole, and the rotation position of the seat main body 13 is fixed again.

Thus, in this embodiment, the back position can be adjusted in any chair state. However, the rotation position cannot be adjusted in the bed state. This is compared with the chair state shown in FIG. 8 and FIG. 9, and the intermediate connecting member 41 is moved upwards in the bed state shown in FIG. This is because the intermediate connecting member 41 is spaced apart from the rotational position fixing member 51 to a position which does not contact the fixing member 51. According to this present embodiment, it is possible to prevent the back seat portion 17, which is the rearmost mirror, from being inadequate to the standing portion 86 of the base member 81 by rotating the seat body 13.

As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to what was shown embodiment. In the illustrated embodiment, various modifications and variations can be made within the same range as the present invention or within an equivalent range.

The vehicle child seat according to the present invention is advantageously used in a vehicle child seat capable of adjusting the rotational position and reclining adjustment.

11: car seat
13: seat body
15: left
17: backrest
18: backrest shaft
19: seat base
21: sidewall
22a, 22b, 22c: hole
23: first guide groove
24: the second guide groove
25: third guide groove
30: common operation unit
31: the first operator
32: second operator
33: first shaft
34: second shaft
35: Donate Operation
35c: recessed portion
36: turning
37: angular unlocking member
38: spring
39: guide
41: middle joint member
42: turning
43: turning inside
44: director
44h: long hole
51: rotation position fixing member
52: rotating shaft
53: anti-rotation protrusion
54, 55: connecting groove
71: connecting shaft
81: base member
83: recess
85: receiving hole
86: standing part
87: lock off device

Claims (9)

A seat body having a seat base portion and a rear viewable back portion,
A back back tilt angle fixing mechanism for fixing a back tilt angle of the backrest portion with respect to the seat base portion;
A base member rotatably supporting the seat body;
A seat rotation position fixing mechanism for fixing the rotation position of the seat body relative to the base member;
An angle lock releasing mechanism for releasing a fixed state by the backrest rear angle fixing mechanism;
A rotation lock releasing mechanism for releasing a locked state by the seat rotation position fixing mechanism;
And a common operation portion for selectively operating the angle lock release mechanism and the rotation lock release mechanism. The method of claim 1,
The common operation portion has a first operator, a second operator disposed adjacent to the first operator, and an operation base for supporting these operators,
The first operator and the second operator operate one of the angular lock release mechanism and the rotary lock release mechanism by being operated in the same manner, and the angular lock release mechanism and the rotary lock release mechanism are operated by the same operation. The child seat for a vehicle, wherein the other side operates the other side. The method of claim 2,
Either of the first operator and the second operator can be press-fitted toward the manipulation base and becomes inoperable at the press-fitting position. The method of claim 1,
The common operation unit is a child seat for a vehicle, characterized in that provided in the back support. The method of claim 4, wherein
The backrest tilt angle fixing mechanism has a rear tilt angle fixing member which engages with the seat base engaging portion formed in the seat base portion to fix the rear tilt angle, and the angle lock release mechanism connects the first operator and the rear tilt angle fixing member. Has an angular unlocking member for connecting,
The seat rotation position fixing mechanism has a rotation position fixing member attached to the seat base portion and engaging with the base member engaged portion formed in the base member,
The rotary lock release mechanism has an intermediate connecting member which connects the first and second operators to move the rotation position fixing member by unequal operation of these operators,
The common operation portion moves only the rear-angle angle fixing member by the same operation of the first operator and the second operator to release the engagement with the seat base engaging portion, and the rotation is performed by the same operation of the first operator and the second operator. A child seat for a vehicle, characterized by releasing engagement with the base member engaged portion by moving the position fixing member. 6. The method of claim 5,
The first operator and the second operator to move forward and backward in the vertical direction of the back portion,
The angular lock release member is fixed to a lower end of the first shaft that is extended downward from the first operator,
The angular lock release member is formed with a guide that extends at an angle with respect to the advancing and moving direction,
The rear seat angle fixing member is a child seat for a vehicle, characterized in that one end is engaged with the guide and the other end can be pulled out into the seat base engaging portion, and the shaft extends in the left and right width directions of the backrest part. The method of claim 6,
The intermediate connecting member is pushed by the angular lock release member, pulled up by the lower end of the second shaft extended downward from the second operator with the extraction point as the point, and the rotational position fixing member when pulled out. Child car seat, characterized in that for moving. The method of claim 7, wherein
The backrest portion can adjust the rearview angle intermittently,
The intermediate seat member is selectively connected to a plurality of connection points formed on the rotational position fixing member in response to individual rear-angle angles of the backrest portion when the pulling-up occurs. The method of claim 8,
The backrest can be rearviewed to a bed state,
And the intermediate connecting member is spaced apart from the rotating position fixing member in the bed state, and the rotating position fixing member is not operated.

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