JP2007098998A - Sliding control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sliding control device reduced in weight capable of simplifying the processing of a long hole as a guide, by forming an outside sliding member approximately in a plate shape instead of a cylindrical shape as a conventional one. <P>SOLUTION: The sliding control device comprises a guide member 56 inserted into and fixed to a pipe 15, an inside sliding member 57 installed in the pipe 15 so as to be slidable relative to the guide member 56, a spring stretched for energizing the inside sliding member 57 so as to lie in the initial position relative to the guide member 56, and the outside sliding member 38 in a plate shape coupled with the inside sliding member 57 through the long hole 55 formed at the pipe in such a way as extending in the longitudinal direction and mounted so as to be slidable with respect to the outside surface of the pipe 15 along the long hole 55 provided in the pipe. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a sliding control device, and more particularly to a sliding control device used for a lock release member of a stroller.

  In general, a baby stroller used for taking an infant outdoors for a walk or shopping has been developed so that it can be folded and stored and carried easily as necessary.

  FIG. 8 is a partially cutaway perspective view showing a schematic configuration of the stroller. The pair of left and right front legs 12 having a front wheel 11 and the pair of left and right rear legs 14 having a rear wheel 13 are bent in a substantially U shape. The stroller body is constituted by a hand barb 15, a pair of left and right armrests 16, and two left and right side vertical pipes 17 that are pivotally attached to one end of each armrest 16 and extend in parallel to each other.

  A top end portion of the front leg 12 is pivotally attached to the front portion of each armrest 16, and an arc-shaped bendable guard arm 18 is detachably suspended between the tip portions of the armrest 16. Further, the top end portions of the left and right rear legs 14 are also pivotally attached to the intermediate portion of the armrest 16, and one end of a bracket 19 bent in a square shape is pivotally attached to the intermediate portion of the rear leg 14. An intermediate position of the bracket 19 is pivotally attached to a lower end portion of the side vertical pipe 17, and the side vertical portion is engaged with an engaging portion formed at the other end of the bracket 19 in a deployed state of the stroller. The lock member 20 slidably attached to the pipe 17 is engaged, and the unfolded state is maintained.

  On the other hand, the left and right front legs 12 are connected by a front leg connecting stay 22 having a footrest plate 21, and the left and right rear legs 14 are connected by a rear leg connecting stay 23. Further, the front end of the side frame 24 is pivotally attached to the middle portion of each front leg 12, and the rear end of the side frame 24 is pivoted to the tip of the side vertical pipe 17 together with the lower end of the bracket 19 and the hand bar 15. Moreover, the middle part of the left and right side frames 24 is connected by an upper connecting stay 25 that extends in the left-right direction.

  Thus, by engaging the locking member 20 provided at the lower end of the side vertical pipe 17 with the engaging portion provided at the upper end of the bracket 19, the stroller is held in a usable state. On the other hand, when the engagement between the lock member 20 and the bracket 19 is released by operating the operating device 26 provided on the hand bar 15, the armrest 16 and the side frame 24 are attached to the side vertical pipe 17. On the other hand, it is possible to swing upward about each pivot point, and the front leg 12 and the rear leg 14 are swung in a substantially parallel state and can be folded in a folded state for convenience of carrying.

  A base sheet 27 having a seat plate portion and a backrest portion is attached to the stroller body formed as described above. That is, the base sheet 27 has a seat plate portion 27 a mounted on the upper connecting stay 25, and the left and right side portions of the backrest portion 27 b are pivot points of the armrest 16 of the left and right side vertical pipes 17. It is attached to the upper part. Then, a baby seat (not shown) made of a sewn product is placed on the base sheet 27 as required, and the baby is moved on the baby seat by sitting or sleeping on the baby seat.

  By the way, in the stroller as described above, since it may be carried in a folded state or carried while holding a stroller on a staircase or the like, weight reduction is an issue.

  However, many of the members for operating the lock member 20 or the like by a remote device at hand are an inner sliding member inside the pipe such as a push bar and linked with the remote device at hand. It is composed of an outer sliding member that moves following, and most of the outer sliding members are usually formed in a cylindrical shape, and there is a problem that the weight reduction is slightly reduced. is there. That is, since the outer sliding member only needs to follow the inner sliding member, many of the outer sliding members are usually formed in a cylindrical shape, although they are not necessarily cylindrical. When considering weight reduction, there is room for improvement.

  In view of the above, the present invention has a sliding structure in which the outer sliding member is substantially plate-shaped instead of cylindrical, thereby reducing the weight and simplifying the processing of the guide long hole. The object is to obtain a control device.

  The invention according to claim 1 is a pipe having an elongated hole extending in the axial direction, a guide member inserted and fixed in the pipe, and an inner side slidably attached to the guide member in the pipe. A sliding member, a spring that is stretched between the guide member and the inner sliding member, and biases the inner sliding member to be in an initial position with respect to the guide member, and a length provided on the pipe It has a plate-like outer sliding member which is connected to the inner sliding member through a hole and is slidably mounted on the outer surface of the pipe along a long hole provided in the pipe.

  The invention according to claim 2 is the invention according to claim 1, wherein the inner sliding member is connected to a wire inserted into the pipe, and the wire is operated to operate the wire through the inner sliding member. The outer sliding member is slid along the long hole provided in the pipe with respect to the outer surface of the pipe.

  The invention according to claim 3 is characterized in that, in the invention according to claim 1, the outer sliding member is directly slid against the outer surface of the pipe by hand.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the outer sliding member is fastened to the inner sliding member from the outside by a fastening member such as a tapping screw. To do.

  The invention according to claim 5 is the invention according to any one of claims 2 to 4, characterized in that the outer sliding member is a lock releasing member in a stroller.

  The invention according to claim 6 is the invention according to any one of claims 2 to 4, wherein the outer sliding member is a locking member that holds the hand pusher in the stroller in a face-to-face push state or a back face push state. And

  In the present invention, as described above, since the outer sliding member that moves following the inner sliding member is moved in a plate shape so as to be slidable with respect to the outer surface of the pipe, the outer sliding member is The weight can be reduced compared with a cylindrical thing, and the weight reduction of the whole sliding control apparatus can be achieved.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The same members as those in FIG. 8 are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 1 is a perspective view showing a schematic configuration of a stroller according to the present invention, and FIG. 2 is a longitudinal side view thereof showing a pair of left and right front legs 12, a pair of left and right rear legs 14, and a hand bar 15 bent substantially in a U shape. The pair of left and right armrests 16 and the left and right side vertical pipes 17 extending in parallel to each other are pivotally attached to the rear ends of the armrests 16, respectively.

  The top ends of the front legs 12 and the rear legs 14 are pivotally attached to the front ends of the armrest 16, and the rear ends of the armrests 16 are pivotally attached to the top ends of the side vertical pipes 17. The left and right front legs 12 are connected by a front leg connecting stay 22 that also serves as a footrest plate, and the left and right rear legs 14 are connected by a rear leg connecting stay 23. A lower end portion of an L-shaped bracket 19 is pivotally attached to the rear leg 14 by a shaft 19 a, and an intermediate portion thereof is pivotally attached to a lower end portion of the side vertical pipe 17 by a shaft 30. That is, the frame attachment member 31 (FIG. 3) is pivotally attached to the lower end portions of the left and right side vertical pipes 17 on the inner surfaces facing each other by the shaft 30, and the side vertical pipes are further connected to the shaft 30. A lower end portion of a U-shaped push bar 15 is pivotally attached together with a bracket 19 disposed on the outer side of 17.

  The front ends of the side frames 24 are pivotally attached to the intermediate positions of the left and right front legs 12, and the front ends of the left and right side frames 24 are connected by a front upper connecting stay 32. Further, the rear end portion of the side frame 24 is fixed to an intermediate position of the frame mounting member 31. The frame mounting member 31 is provided with a stay mounting portion 31a projecting at a lower position opposite to the shaft 30 with respect to the fixing position of the side frame 24. A rear upper connecting stay 33 is provided on the stay mounting portion 31a. The left and right frame attachment members 31 are connected to each other by the rear upper connection stay 33. On the other hand, on the left and right frame mounting members 31, the left and right tip portions of the back support portion support frame 34 formed in an inverted U shape between the shaft 30 and the rear upper connecting stay 33 are pivoted by the shaft 35. A reverse U-shaped backrest support frame 34 is attached to the frame mounting member 31 so as to be swingable (FIG. 3).

  Incidentally, a lock member 20 is slidably mounted on the lower end portion of the side vertical pipe 17 so as to engage with the free end portion of the bracket 19 in a deployed state of the stroller and maintain the expanded state. On the other hand, a lock release member 38 operated by a remote operation device 37 provided on the hand bar 15 is slidably mounted on the hand bar 15 so as to be slidable along the hand bar 15. When the unlocking member 38 is pulled up, the locking member 20 is pulled upward via the unlocking bar 39 provided on the unlocking member 38 and the operation plate 40 provided on the locking member 20, and the bracket 19 is locked. The stroller body can be folded in two so that the front leg 12 and the rear leg 14 are in a substantially parallel state.

  Further, locking projections 41 (only one of them) protruding in the lateral direction are fixed to the outer surfaces of the armrest 16 and the side vertical pipe 17, and the push bar 15 is engaged with the locking projections 41. A locking member 42 having a concave portion is slidably mounted along the hand bar 15, and the locking member 42 is lifted upward to release the locking member 42 from the locking projection 41, and the hand bar By swinging 15 backward or forward, the hand bar 15 can be brought into a face-to-face push state or a back face push state.

  By the way, the left and right side frames 24, 24 and the front upper connection stay 32 that connects the front end portions thereof constitute a U-shaped seat support frame, and the seat support frame and the back support portion are supported. A base sheet fabric 46 is stretched around a portion surrounded by the frame 34. That is, both side edge portions of the seat portion 46a of the base sheet fabric 46 are attached to the left and right side frames 24, and the front end edge portion of the seat portion 46a is attached to the front upper connecting stay 32, and the seat portion 36a is attached to the seat portion 36a. Both side edge portions of the back support portion 46b connected to each other are attached to the left and right side frame portions 46a of the back support portion support frame 34, and the rear end edges of the back support portion 46b are the left and right sides of the back support portion support frame 34. The base sheet fabric 46 is tensioned in the front-rear direction and the left-right direction. Moreover, a base sheet tension member 47 is sewn on the back surface side of the seat portion 46a of the base sheet fabric 46 stretched on the seat support frame, and the tip of the base sheet tension member 47 is deployed in the stroller. In the state, it is mounted on a rear upper connecting stay 33 provided at a position lower than the pivot shaft 35 of the back support frame 34 (FIG. 2). Thus, the seat portion 46a of the base sheet is pulled rearward by the base sheet tension member 47, and is pulled from four directions, so that the base sheet fabric 46 is more securely tensioned.

  Further, a reclining adjustment belt 48 fixed to the left and right side vertical pipes 17 is disposed on the back side of the backrest support frame 34 on which the base sheet 46 is stretched. By adjusting the length, the reclining angle of the backrest 46a can be adjusted.

  Thus, by stretching the base sheet fabric 46 in a tensioned state in the front-rear direction and the left-right direction, the rigidity of the base sheet can be maintained, and a plate material like a conventional stroller can be dispensed with. It is possible to reduce the weight. Moreover, since the rear upper connecting stay 33 is provided at a position below the pivot of the back support frame 34, even if the base sheet fabric 46 is bent by its own weight, the buttocks hit the rear upper connecting stay 33. And no discomfort.

  On the other hand, as shown in FIG. 3, the front end portion of the side plate 50 that protects the side of the infant is pivotally attached to the shaft 30 that connects the side vertical pipe 17 and the frame mounting member 31. Further, as shown in FIG. 4, the horizontal flange 34b that connects the left and right side frame parts 34a of the back support part support frame 34 is provided with bearings 51, 51 on the left and right parts thereof. 51, a lower end portion of a headrest 52 that protects the head of an infant is pivotally attached to a shaft 53. Further, pins 54 are provided on both left and right sides of the headrest 52, and the pins 54 are engaged with elongated holes 55 formed at the rear end of the side plate 50.

  FIG. 3 is a view showing a state in which the back support part support frame 34 is tilted so that an infant is laid down, and the headrest 52 stands up with respect to the plane of the back support part support frame 34. The right and left side plates 50 can protect both sides of the infant and the headrest 52 can be used to protect the head. Therefore, by adjusting the length of the reclining tension belt 48 and increasing the inclination angle of the back support portion support frame 34 as shown in FIG. 5, the side plate 50 is also tilted upward accordingly, By engaging with the long hole 55, the headrest 52 is swung clockwise in FIG. 3 about the shaft 53, so that the headrest 52 is substantially flush with the back support frame 34 and the infant is laid down. it can. On the other hand, when the reclining tension belt 48 is loosened in the state shown in FIG. 5, the side plate 50 swings downward together with the backrest support frame 34, and the headrest 52 swings upward accordingly, as shown in FIG. It becomes a state and can protect the infant's head.

  6 is a perspective view of the unlocking member 38 slidably provided on the hand bar 15, and FIG. 7 is a longitudinal sectional view of the lock releasing member 38. A portion 15a is formed, and a substantially plate-like unlocking member 38 constituting an outer sliding member is slidably mounted along the push bar 15 on the outer surface of the planar portion, and the outer surface of the unlocking member 38 An unlocking bar 39 projects from the side.

  That is, the hand barb 15 is provided with a long hole 55 extending in the axial direction, and a base portion 38a provided on the inner wall surface side of the substantially plate-like unlocking member 38 is slidable in the long hole 55. Is engaged.

  On the other hand, a guide member 56 is inserted and fixed in the hand bar 15, and an inner sliding member 57 is slidably mounted on a side surface of the guide member 56. The inner sliding member 57 is slidably engaged along an elongated hole 58 formed in the guide member 56 extending in the axial direction, and is a fastening member such as a tapping screw attached to the unlocking member 38. 59 is integrally connected to the lock release member 38. The inner sliding member 57 is connected to the tip of a wire 60 operated by the remote operation device 37, and a spring 61 is stretched between the guide member 56 and the inner sliding member 57. The inner sliding member 57 is biased downward, that is, in the initial position with respect to the guide member 56.

  Thus, the front leg 12 and the rear leg 14 of the stroller are swung in a substantially parallel state, and in order to fold the stroller body in a folded state for convenience of carrying, the remote control device 37 is operated to move the wire 60 upward. When pulled up, the inner sliding member 57 is pulled upward against the spring 61 together with the unlocking member 38 constituting the outer sliding member. Therefore, the lock release member 38 constituting the outer sliding member moves upward along the elongated hole 55, engages with the free end of the bracket 19 in the deployed state of the stroller, and maintains the expanded state. (FIG. 1) is slid along the side vertical pipe 17 by an unlocking bar 39 protruding from the unlocking member 38, and the engagement between the locking member 20 and the bracket 19 is disengaged. Can be folded in two.

  Thus, in this embodiment, since the unlocking member 38 constituting the outer sliding member is formed in a substantially plate shape, it becomes lighter than the conventional cylindrical shape, and the stroller body The weight can be reduced. Further, the elongated hole 55 extending in the longitudinal direction for guiding and sliding the unlocking member 38 constituting the outer sliding member may be processed only on one side of the pipe, and the processing can be simplified.

  In the above embodiment, the present invention is applied to the unlocking member 38. However, the present invention can also be applied to the locking member 42 for holding the hand pusher in the stroller in a face-on state or a back-side state. The weight of the parts can be reduced. In the above embodiment, the inner sliding member 57 is moved via a wire or the like by a remote control device, and the outer sliding member is operated via the inner sliding member 57. The outer sliding member can be directly moved by hand.

The perspective view which shows schematic structure of the stroller of this invention. The vertical side view of the stroller of this invention. The enlarged side view of a back support part support frame and a side plate part. The top view of a backrest part support frame and a headrest part. Operation | movement explanatory drawing of a backrest part support frame and a headrest. The perspective view of the lock release member provided in the hand bar 15 so that sliding was possible. The longitudinal cross-sectional view of a lock release member part. FIG. 6 is a partially cutaway perspective view of a conventional stroller.

Explanation of symbols

15 Hand barb 16 Armrest 17 Side vertical pipe 20 Lock member 38 Lock release member 39 Lock release bar 55 Long hole 56 Guide member 57 Inner sliding member 59 Fastening member 60 Wire 61 Spring

Claims (6)

  A pipe having a long hole extending in the axial direction; a guide member inserted and fixed in the pipe; an inner sliding member slidably attached to the guide member in the pipe; and the guide member And a spring which is stretched between the inner sliding member and biases the inner sliding member to be in the initial position with respect to the guide member, and the inner sliding member through a long hole provided in the pipe. A sliding control device comprising: a plate-like outer sliding member that is connected and is slidably attached to an outer surface of the pipe along a long hole provided in the pipe.   A wire inserted into the pipe is connected to the inner sliding member, and by operating the wire, the outer sliding member passes along the elongated hole provided in the pipe via the inner sliding member. The sliding control device according to claim 1, wherein the sliding control device is slidable with respect to an outer surface of the sliding member.   2. The sliding control device according to claim 1, wherein the outer sliding member is slid directly on the outer surface of the pipe by hand.   4. The sliding control device according to claim 1, wherein the outer sliding member is fastened to the inner sliding member from the outside with a fastening member such as a tapping screw.   The sliding control device according to any one of claims 1 to 4, wherein the outer sliding member is a lock releasing member in a stroller.   The sliding control device according to any one of claims 1 to 4, wherein the outer sliding member is a locking member that holds the hand pusher in the stroller in a face-to-face pressing state or a back-side pressing state.

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