CN101767602A

CN101767602A - Baby stroller and its handle height adjustment mechanism

Info

Publication number: CN101767602A
Application number: CN200910160937A
Authority: CN
Inventors: 杨浩; 李道昌
Original assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Current assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Priority date: 2008-12-26
Filing date: 2009-07-31
Publication date: 2010-07-07
Anticipated expiration: 2029-07-31
Also published as: CN101767603A; JP5498776B2; JP2010155606A; CN101767602B; CN101767603B

Abstract

A handle height adjusting mechanism of a baby carriage comprises a frame pipe and a handle pipe movably sleeved at the top end of the frame pipe, wherein the frame pipe comprises a plurality of positioning holes which are arranged at intervals along the axial direction, the handle height adjusting mechanism comprises a clamping piece, a release piece, an actuating piece and an elastic element, the clamping piece is arranged in the handle pipe, the release piece is movably connected in the handle pipe and can be used for driving the clamping piece, the actuating piece is movably arranged on the handle pipe and is linked with the release piece, the elastic element is used for resetting the release piece, the clamping piece can pass through a through hole in the handle pipe and is clamped in the positioning hole which is aligned with the through hole and is arranged at a selected height position, the release piece can be driven to move relative to the handle pipe through the actuating piece so as to be separated from the clamping of the positioning holes in a linkage manner, and therefore, the operation is simple and labor-saving, the height position of the handle pipe fitting can be controlled by a user from the far end and can be adjusted by the user according to the requirement.

Description

Perambulator and handle height adjusting mechanism thereof

Technical field

The present invention relates to a kind of handgrip mechanism of perambulator, particularly relate to a kind of perambulator and handle height adjusting mechanism thereof.

Background technology

Between the handgrip pipe fitting of general perambulator and coupled bicycle frame pipe one height adjustment mechanism can be set usually; the user can control the handgrip pipe fitting with respect to the bicycle frame pipe slippage by operation height adjustment mechanism; to adjust the height of handgrip pipe fitting with respect to bicycle frame pipe; thus; the user can be provided the height and position according to oneself height adjustment handgrip pipe fitting, and for example publication number is the Chinese patent of CN1772546A.

Yet, adjusting bracket in this case is in when operation, is that the friction that sees through cam path drives and makes stop pin can lock or break away from embedded hole, and the adjusting bracket phenomenon that can rub with the upper tube generation when sliding in upper tube, therefore, this kind design causes the user comparatively to require great effort in operation.

Summary of the invention

Main purpose of the present invention is to provide the handle height adjusting mechanism of a kind of simple structure and perambulator easy and simple to handle, is available for users to by far-end control and adjusts the height and position of handgrip pipe fitting on demand and voluntarily.

Another object of the present invention, the handle height adjusting mechanism of labour-saving perambulator comparatively when being to provide the little so that operation of friction coefficient between a kind of member.

Another purpose of the present invention, be to provide a kind of perambulator, its handle height adjusting mechanism simple structure and easy and simple to handle is available for users to by far-end control and adjusts the height and position of handgrip pipe fitting on demand and voluntarily, and comparatively laborsaving during the little so that operation of the friction coefficient between member.

Purpose of the present invention and solution background technology problem realize by the following technical solutions, the handle height adjusting mechanism of the perambulator that proposes according to the present invention, comprise a bicycle frame pipe, and a handgrip pipe fitting that is set in the bicycle frame pipe top movably, bicycle frame pipe comprises most spaced vertically knock holees.

Handle height adjusting mechanism comprises a holding piece, one unlock part, one actuated piece, an and elastic element, holding piece is arranged in the handgrip pipe fitting, unlock part is connected in the handgrip pipe fitting movingly, but unlock part interlock holding piece, actuated piece is arranged at movably on the handgrip pipe fitting and with unlock part and links, elastic element resets in order to unlock part to be provided, holding piece can pass the knock hole of the selection height and position that one on the handgrip pipe fitting bored a hole and clip is bored a hole in aliging, and can move with respect to the handgrip pipe fitting by actuated piece and drive the unlock part motion, so that holding piece is broken away from linkedly and the clip of knock hole.

The handle height adjusting mechanism of aforesaid perambulator, unlock part are articulated on the handgrip pipe fitting and can rotate with respect to the handgrip pipe fitting.

The handle height adjusting mechanism of aforesaid perambulator, unlock part are slidably connected on the handgrip pipe fitting and can move with respect to the handgrip pipe fitting.

The handle height adjusting mechanism of aforesaid perambulator, handgrip pipe fitting comprise a pipe portion that is placed in the bicycle frame pipe top, and a housing that is fixed in pipe portion bottom, and perforation, holding piece, unlock part and elastic element are to be arranged on the housing.

The handle height adjusting mechanism of aforesaid perambulator, actuated piece comprises that one is sheathed on the pull handle on the handgrip pipe fitting, an and connection lead that is connected between unlock part and pull handle, pull handle can slide to drive the unlock part rotation along handgrip pipe fitting direction of principal axis, thus, friction coefficient between each coupling member is little, can provide the user to control comparatively laborsaving and provides the user to control handle height adjusting mechanism by far-end.

The handle height adjusting mechanism of aforesaid perambulator, one of them is provided with a microscler guide hole housing and holding piece, handle height adjusting mechanism also comprise one be arranged in microscler guide hole and with housing and holding piece another pin rod that engages wherein, microscler guide hole has first end of a contiguous perforation, and second end away from perforation, the elastic element perseverance to the unlock part bias voltage so that pin rod is positioned at a wherein end of first end and second end.

The handle height adjusting mechanism of aforesaid perambulator, wherein a kind of design is that microscler guide hole is located at housing, pin rod is arranged in microscler guide hole and is articulated with holding piece and unlock part, the elastic element perseverance so that pin rod is positioned at first end, makes holding piece remain on the position of clip in knock hole to the unlock part bias voltage.

The handle height adjusting mechanism of aforesaid perambulator, wherein another kind of design is that microscler guide hole is located at holding piece, pin rod is arranged in microscler guide hole and engages with housing, the elastic element perseverance so that pin rod is positioned at second end, makes holding piece remain on the position of clip in knock hole to the unlock part bias voltage.Holding piece comprises two protuberances separately, and unlock part comprises that one is positioned between two protuberances and in order to promote the double wedge of each protuberance, makes unlock part see through two protuberances that double wedge promotes holding piece respectively, can drive holding piece and break away from knock hole or clip in knock hole.

The handle height adjusting mechanism of aforesaid perambulator, elastic element are the torque spring that two ends are fastened in housing and unlock part respectively, thus, can order about unlock part reset and the interlock holding piece reset to the position of clip in knock hole.The handle height adjusting mechanism of aforesaid perambulator, unlock part has an oblique guide hole, handle height adjusting mechanism comprises the pin rod that passes oblique guide hole and engage with holding piece, when unlock part moved with respect to the handgrip pipe fitting, pin rod made the clip of holding piece disengaging and knock hole along moving of oblique guide hole.

The handle height adjusting mechanism of aforesaid perambulator, actuated piece comprises that one is sheathed on the pull handle on the handgrip pipe fitting, an and connection lead that is connected between unlock part and pull handle, pull handle can slide to drive the unlock part slippage along handgrip pipe fitting direction of principal axis, thus, friction coefficient between each coupling member is little, can provide the user to control comparatively laborsaving and provides the user to control handle height adjusting mechanism by far-end.

The handle height adjusting mechanism of aforesaid perambulator, housing comprise the microscler chute of using for the unlock part slippage.

The handle height adjusting mechanism of aforesaid perambulator, oblique guide hole are in order to defining the shift motion of holding piece, and oblique guide hole has first end of a contiguous perforation, and second end away from perforation, the elastic element perseverance to the unlock part bias voltage so that pin rod is positioned at first end.

The handle height adjusting mechanism of aforesaid perambulator, elastic element are the compression spring that two ends are connected to housing and unlock part respectively, thus, can order about that unlock part resets and see through pin rod interlock holding piece resetting to the position of clip in knock hole.

Perambulator according to the present invention proposes comprises a bicycle frame pipe, a handgrip pipe fitting and a handle height adjusting mechanism.

Bicycle frame pipe comprises most spaced vertically knock holees, the handgrip pipe fitting is set in the bicycle frame pipe top movably, handle height adjusting mechanism comprises a holding piece, one unlock part, one actuated piece, an and elastic element, holding piece is arranged in the handgrip pipe fitting, unlock part is connected in the handgrip pipe fitting movingly, but unlock part interlock holding piece, elastic element resets in order to unlock part to be provided, holding piece can pass in one on handgrip pipe fitting perforation and the described knock hole wherein certain location hole card and pull, select on the height and position so that the handgrip pipe fitting is locked in one with respect to bicycle frame pipe, unlock part can be by far-end control and the interlock holding piece so that it breaks away from the clip with this knock hole.

Aforesaid perambulator, handle height adjusting mechanism comprise an actuated piece that is slidingly arranged on the handgrip pipe fitting, but actuated piece interlock holding piece is so that the clip of its disengaging and knock hole.

Aforesaid perambulator, unlock part are articulated on the handgrip pipe fitting and can rotate with respect to the handgrip pipe fitting.

Aforesaid perambulator, unlock part are slidably connected on the handgrip pipe fitting and can move with respect to the handgrip pipe fitting.

Aforesaid perambulator, handgrip pipe fitting comprise a pipe portion that is placed in the bicycle frame pipe top, and a housing that is fixed in pipe portion bottom and protrudes from pipe portion bottom, and perforation, holding piece, unlock part and elastic element are to be arranged on the housing.

Pass through technique scheme, the advantage and the beneficial effect of the handle height adjusting mechanism of perambulator of the present invention are, pass the perforation of housing and clip in the knock hole of bicycle frame pipe by holding piece, make the handgrip pipe fitting be locked in a height and position of selecting with respect to bicycle frame pipe.See through the pull handle of controlling actuated piece and just can drive the unlock part motion, break away from knock hole with the interlock holding piece, and the reseting elasticity of cooperation elastic element, make unlock part can drive holding piece and be reset to the clip position, thus, the handgrip pipe fitting can be with respect to bicycle frame pipe conversion between lock-out state and release the lock state, and is comparatively simple in the structure design, and comparatively easy and laborsaving in the operation, be available for users to control the height and position of also adjusting the handgrip pipe fitting on demand and voluntarily by far-end.

Description of drawings

Fig. 1 is a block diagram, and first preferred embodiment that the handle height adjusting mechanism of perambulator of the present invention is described is arranged at the position on the perambulator.

Fig. 2 is a cutaway view, illustrates that first preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention is arranged between bicycle frame pipe and handgrip pipe fitting.

Fig. 3 is the three-dimensional exploded view of first preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention, and the assembled relation of housing, holding piece, unlock part and elastic element is described.

Fig. 4 is the partial enlarged drawing of first preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention.

Fig. 5 is a cutaway view, and the holding piece of first preferred embodiment that the handle height adjusting mechanism of perambulator of the present invention is described is arranged in perforation and clip in knock hole, makes between handgrip pipe fitting and bicycle frame pipe to be lock-out state.

Fig. 6 is a cutaway view, illustrates that the holding piece of first preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention breaks away from knock hole, makes to be the release the lock state between handgrip pipe fitting and bicycle frame pipe.

Fig. 7 is a cutaway view, illustrates that second preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention is arranged between bicycle frame pipe and handgrip pipe fitting.

Fig. 8 is the three-dimensional exploded view of the second preferable enforcement of the handle height adjusting mechanism of perambulator of the present invention, and the assembled relation of housing, holding piece, unlock part and elastic element is described.

Fig. 9 is a cutaway view, and the holding piece of second preferred embodiment that the handle height adjusting mechanism of perambulator of the present invention is described is arranged in perforation and clip in knock hole, makes between handgrip pipe fitting and bicycle frame pipe to be lock-out state.

Figure 10 is a cutaway view, illustrates that the holding piece of second preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention breaks away from knock hole, makes to be the release the lock state between handgrip pipe fitting and bicycle frame pipe.

Figure 11 is a cutaway view, illustrates that the 3rd preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention is arranged between bicycle frame pipe and handgrip pipe fitting.

Figure 12 is a cutaway view, and the holding piece of the 3rd preferred embodiment that the handle height adjusting mechanism of perambulator of the present invention is described is arranged in perforation and clip in knock hole, makes between handgrip pipe fitting and bicycle frame pipe to be lock-out state.

Figure 13 is a cutaway view, illustrates that the holding piece of the 3rd preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention breaks away from knock hole, makes to be the release the lock state between handgrip pipe fitting and bicycle frame pipe.

Figure 14 is a cutaway view, illustrates that the pin rod of the 3rd preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention is to be shaped on the holding piece.

The specific embodiment

About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of three preferred embodiments of following cooperation Figure of description, can clearly present.By the explanation of the specific embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended accompanying drawing only provide with reference to and explanation usefulness, be not to be used for the present invention is limited.Before the present invention is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.

As shown in Figures 1 and 2, it is first preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention, this perambulator 100 comprises two bicycle frame pipes 1 that are parallel and diagonally extending mutually, two handgrip pipe fittings 2, and two handle height adjusting mechanisms 4, each handgrip pipe fitting 2 comprises a pipe portion 20 that is set in each bicycle frame pipe 1 top movably, one is fixed in the housing 41 of pipe portion 20 bottoms, reach one and be arranged at the pipe portion 20 tops handgrip 21 that grips for the user, each handle height adjusting mechanism 4 is arranged at 2 of each bicycle frame pipe 1 and each handgrip pipe fittings, in order to the height of adjustment handgrip pipe fitting 2, and handgrip pipe fitting 2 can be fixed on a selection height and position with respect to bicycle frame pipe 1 with respect to bicycle frame pipe 1.The disclosed handle height adjusting mechanism 4 of present embodiment also can be applicable in the go-cart of other types, does not exceed in the mode that is applied to perambulator 100.

As Fig. 2, Fig. 3 and shown in Figure 4, each bicycle frame pipe 1 comprises most and is spaced vertically and rectangular knock hole 11, housing 41 locks in the pipe portion 20 of handgrip pipe fitting 2 and protrudes pipe portion 20 bottoms, housing 41 comprises one first shell 411, and second shell 412 that is covered on first shell 411, first, second shell 411,412 defines a usefulness jointly for the ccontaining accommodation space 413 of holding piece 43 and unlock part 44, and one is positioned at side and makes accommodation space 413 and the outside perforation 414 that is connected and can supplies holding piece 43 to expose.The structure of first shell 411 and second shell 412 quite and respectively comprises a microscler guide hole 415, and microscler guide hole 415 has first end 416 of a contiguous perforation 414, and one is positioned at first end, 416 opposition sides and away from second end 417 of perforation 414.

Each handle height adjusting mechanism 4 comprises a holding piece 43, one unlock part 44, an and pin rod 45, holding piece 43 in the form of sheets, the one end can pass perforation 414 and with knock hole 11 clips of selecting height and position, holding piece 43 other ends comprise the through hole 431 that a supply and marketing bar 45 wears, see through pin rod 45 and be arranged in through hole 431 and first simultaneously, second shell 411,412 microscler guide hole 415 makes that holding piece 43 can be with first, second shell 411,412 join merges and can release between position (as shown in Figure 6) mobile in a clip position (as shown in Figure 5) and with respect to housing 21.First shell 411 also includes two guide members 418 that are adjacent to perforation 414 and are connected to holding piece 43 opposition sides respectively, thus, pin rod 45 in microscler guide hole 415 when mobile, holding piece 43 can see through guide member 418 guiding and along the length of microscler guide hole 415 to slippage.

Unlock part 44 comprises a pivoted hole 440 that supplies pivoted pole 451 to wear, reach the mounting hole 441 that a supply and marketing bar 45 wears, see through pivoted pole 451 and be arranged in first, second shell 411,412 the pivoted hole 410 and the pivoted hole 440 of unlock part 44, make unlock part 44 can be articulated in first, second shell 411,412, thus, unlock part 44 is that the axle center is with respect to first with pivoted pole 451, second shell 411, during 412 rotations, can drive pin rod 45 and move, and can grow to slippage along microscler guide hole 415 by interlock holding piece 43 at

first end

416 and 417 at second end of microscler guide hole 415.

First shell 411 forms a leg 419 around pivoted hole 410, handle height adjusting mechanism 4 also comprises an elastic element 46 that is arranged in the leg 419, in the present embodiment, elastic element 46 be the two ends projection 420 that is fastened in first shell 411 respectively with one first draw-in groove 442 of unlock part 44 in torque spring, in order to unlock part 44 bias voltages and provide unlock part 44 reseting elasticities.Because pivoted pole 451 can pass elastic element 46 when being arranged in the pivoted hole 410 of first, second shell 411,412 simultaneously, see through the design of leg 419, can prevent that elastic element 46 and pivoted pole 451 from producing the situation of rocking.Handle height adjusting mechanism 4 also comprises one in order to drive the actuated piece 47 of unlock part 44 rotations, actuated piece 47 comprises that one is sheathed on pull handle 471, a rivet 472 of proximal portion in the pipe portion 20 of handgrip pipe fitting 2, an and connection lead 473, see through rivet 472 and be arranged in microscler perforate 21 that one on the handgrip pipe fitting 2 extend vertically and engage, make pull handle 471 can be installed on slidably in the pipe portion 20 of handgrip pipe fitting 2 with pull handle 471.Connection lead 473 is a steel wire, the one end is connected on the rivet 472, and the other end passes an opening 421 of housing 41 tops and fix one second draw-in groove 443 at unlock part 44, thus, when pull handle 471 drove rivets 472 along the direction of principal axis slippage of handgrip pipe fitting 2, it be the axle center pivot with pivoted pole 451 that connection lead 473 stretchy unlock parts 44 make it.

As Fig. 2, Fig. 4 and shown in Figure 5, because the elastic force effect of elastic element 46, perseverance makes pin rod 45 be positioned at first end 416 of microscler guide hole 415, and rivet 472 is positioned at microscler perforate 21 bottoms, at this moment, holding piece 43 can pass the perforation 414 of housing 41 and clip in a knock hole 11 of bicycle frame pipe 1 and be in the clip position, makes handgrip pipe fitting 2 be locked in a height and position with respect to bicycle frame pipe 1.

As Fig. 2 and shown in Figure 6, when desire is adjusted the height and position of handgrip pipe fitting 2, the user needs the pull handle 471 of actuated piece 47 is upwards spurred with direction shown in the arrow I, connection lead 473 can spur unlock part 44 and it is rotated with respect to housing 41 along direction shown in the arrow II, unlock part 44 makes it break away from clip with knock hole 11 gradually along contracting in the direction shown in the arrow III with pin rod 45 interlock holding pieces 43, when pin rod 45 is positioned at second end 417 of microscler guide hole 415, holding piece 43 breaks away from the clip position with knock hole 11 fully, make 1 of handgrip pipe fitting 2 and bicycle frame pipe be a release the lock state, the user just can adjust height and position with respect to bicycle frame pipe 1 up or down with handgrip pipe fitting 2.Under the release the lock state, after the user moves to a target location with handgrip pipe fitting 2, discharge pull handle 471 again, elastic force effect by elastic element 46, impel unlock part 44 to drive pin rod 45 and holding piece 43 oppositely moving along arrow III, holding piece 43 can be pushed in the knock hole 11 of getting back to the target location, and automatically reply into lock-out state, thus, the user can adjust the height and position of the handgrip 21 of handgrip pipe fitting 2 according to the height of self, moreover, see through the design of pull handle 471 with the connection lead 473 of actuated piece 47, make that the user can be at the height adjustment of handgrip 21 ends control handgrip pipe fitting 2, the comfort feature that can provide the user to use.In addition, when handgrip pipe fitting 2 is adjusted to extreme lower position, the volume after can reducing further that perambulator 100 (as Fig. 1) is folding and folding, and volume and material can reduce perambulator 100 packings the time.

It should be noted that, the design that present embodiment is articulated through unlock part 44 and holding piece 43, and the pull handle 471 of collocation actuated piece 47 and the design of connection lead 473, make the user by controlling pull handle 471 pulling connection leads 473, just can order about unlock part 44 rotations and the clip of 43 disengagings of interlock holding piece and knock hole 11, because the friction coefficient between each coupling member is little, therefore, it is comparatively laborsaving on controlling to be convenient to the user.

As Fig. 7, Fig. 8 and shown in Figure 9, it is second preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention, the unitary construction of this handle height adjusting mechanism 4 is roughly identical with first preferred embodiment, and difference is in the design of housing 41 ', holding piece 43 ' and unlock part 44 ' slightly different.

First, second shell 411,412 comprises the through hole 422 that a supply and marketing bar 45 wears respectively, and holding piece 43 ' comprises the microscler guide hole 432 that a supply and marketing bar 45 wears, microscler guide hole 432 has first end 433 of a contiguous perforation 414, reach second end 434 away from perforation 414, see through the guiding of guiding part 418, make holding piece 43 ' can along the length of microscler guide hole 432 to respect to pin rod 45 clip position (as shown in Figure 9) with release between position (as shown in figure 10) mobile.Holding piece 43 ' comprises that also two are convexly set in side and protuberance separately 435, unlock part 44 ' comprises that one is convexly set in side and is positioned at the double wedge 444 of 435 of two protuberances, the double wedge 444 of unlock part 44 ' can promote each protuberance 435 respectively, with drive holding piece 43 ' along the length of microscler guide hole 432 to moving.Because the position that the elastic force effect of elastic element 46 and double wedge 444 and protuberance are 435 relation, perseverance makes pin rod 45 be positioned at second end 434 of microscler guide hole 432, at this moment, holding piece 43 ' can pass the perforation 414 of housing 41 ' and clip in a knock hole 11 of bicycle frame pipe 1, makes handgrip pipe fitting 2 be locked in a height and position with respect to bicycle frame pipe 1.

As Fig. 7 and shown in Figure 10, when desire is adjusted the height and position of handgrip pipe fitting 2, the user needs the pull handle 471 of actuated piece 47 is upwards spurred with direction shown in the arrow I, connection lead 473 can spur unlock part 44 ' and it is rotated with respect to housing 41 ' along direction shown in the arrow II, the double wedge 444 of unlock part 44 ' can promote the protuberance 435 of holding piece 43 ' inboard, make holding piece 43 ' break away from clip with knock hole 11 gradually along contracting in the direction shown in the arrow III, when pin rod 45 is positioned at first end 433 of microscler guide hole 432, holding piece 43 ' breaks away from fully to be in the clip position of knock hole 11 and releases from the position, makes 1 of handgrip pipe fitting 2 and bicycle frame pipe be a release the lock state.Under the release the lock state, after the user moves to the target location with handgrip pipe fitting 2, discharge pull handle 471 again, elastic force effect by elastic element 46, impel the contrarotation of unlock part 44 ' along arrow II, and the protuberance 435 that the double wedge 444 of unlock part 44 ' can promote the holding piece 43 ' outside moves along the reverse of arrow III, holding piece 43 ' is pushed gets back in the knock hole 11 of target location, and automatically reply into lock-out state.

As Figure 11, Figure 12 and shown in Figure 13, it is the 3rd preferred embodiment of the handle height adjusting mechanism of perambulator of the present invention, the unitary construction of this handle height adjusting mechanism 4 is roughly identical with first preferred embodiment, and difference is in housing 41 ", unlock part 44 " and the design difference of elastic element 46 '.

Housing 41 " first shell, 411 inside define a microscler chute 423; unlock part 44 " rectangular shape and can be along microscler chute 423 slippages, unlock part 44 " comprise an oblique guide hole 445; and oblique guide hole 445 has first end 446 of a contiguous perforation 414; and second end 447 away from perforation, pin rod 45 is arranged in the through hole 431 of oblique guide hole 445 and holding piece 43.Elastic element 46 ' is that two ends are connected to unlock part 44 respectively " compression spring of side and first shell, 411 1 ends; because the elastic force effect of elastic element 46 '; perseverance makes pin rod 45 be positioned at first end 446 of oblique guide hole 445; at this moment; holding piece 43 can pass housing 41 " perforation 414 and clip in a knock hole 11 of bicycle frame pipe 1, make handgrip pipe fitting 2 be locked in a height and position with respect to bicycle frame pipe 1.It should be noted that when design, pin rod 45 also can be shaped on the holding piece 43 as illustrated in fig. 14.

When desire is adjusted the height and position of handgrip pipe fitting 2, the user needs the pull handle 471 of actuated piece 47 is upwards spurred with direction shown in the arrow I, connection lead 473 can pulling unlock parts 44 " along microscler chute 423 slippages; because unlock part 44 " oblique guide hole 445 can force the bearing of trend slippage of pin rod 45 along oblique guide hole 445, simultaneously, borrow the guiding of guide member 418, make that holding piece 43 can be along with unlock part 44 " slippage break away from clip with knock hole 11 gradually along contracting in the direction shown in the arrow III; when pin rod 45 is positioned at second end 447 of oblique guide hole 445; holding piece 43 breaks away from and the clip position of knock hole 11 and be in and release from the position fully, makes 1 of handgrip pipe fitting 2 and bicycle frame pipe be a release the lock state.Under the release the lock state, after the user moves to a target location with handgrip pipe fitting 2, discharge pull handle 471 again, elastic force effect by elastic element 46 ', impel unlock part 44 " along the reverse slide of arrow I, oblique guide hole 445 can force pin rod 45 along its bearing of trend slippage, simultaneously; make holding piece 43 be pushed by the guiding of guide member 418 and get back in the knock hole 11 of target location, and automatically reply into lock-out state.

Present embodiment sees through unlock part 44 " design that combines with holding piece 43 with pin rod 45; and the design of the pull handle 471 of collocation actuated piece 47 and connection lead 473; make the user spur connection leads 473; just can order about unlock part 44 by controlling pull handle 471 " along microscler chute 423 slippages, holding piece 43 can move and breaks away from clip with knock hole 11 along the bearing of trend of oblique guide hole 445 along with pin rod 45, because the friction coefficient between each coupling member is little, therefore, it is comparatively laborsaving on controlling to be convenient to the user.

Conclude above-mentioned, the handle height adjusting mechanism 4 of each embodiment, pass

housing

41,41 ', 41 by holding piece 43,43 ' " perforation 414 and clip in the knock hole 11 of bicycle frame pipe 1, make handgrip pipe fitting 2 be locked in a height and position of selecting with respect to bicycle frame pipe 1.See through the pull handle 471 of controlling actuated piece 47 and can drive

unlock part

44,44 ', 44 " motion; with interlock holding piece 43; 43 ' breaks away from knock hole 11; and cooperate elastic element 46; 46 ' reseting elasticity; make

unlock part

44,44 ', 44 " holding piece 43 can be driven; 43 ' is reset to the clip position; whereby; handgrip pipe fitting 2 can be with respect to bicycle frame pipe 1 conversion between lock-out state and release the lock state; simple structure and easy and simple to handle and labour-saving handle height adjusting mechanism 4 can be provided; be available for users to also adjust on demand and voluntarily the height and position of handgrip pipe fitting 2, the purpose of institute of the present invention demand can be reached really by far-end control.

Claims

1. A handlebar height adjustment mechanism for a stroller, the stroller includes a frame pipe, and a handle pipe that is movably threaded on the top of the frame pipe, and the frame pipe includes a plurality of axially The positioning holes arranged at intervals are characterized in that the handle height adjustment mechanism includes:

a locking part arranged in the handle pipe;

A lock release part movably connected to the handle pipe, the lock release part can be linked with the locking part;

an actuating member movably disposed on the handle tube, the actuating member being coupled to the release member; and

An elastic element used to provide the reset of the release member; wherein the locking member can pass through a perforation on the handle tube and be locked in a positioning hole at a selected height position aligned with the perforation, and can pass through the triggering The moving part moves relative to the handle tube to drive the release part to move, so that the latching part is detached from the latching of the positioning hole in interlocking manner.

2 . The height adjusting mechanism of the handle of the stroller as claimed in claim 1 , wherein the release member is pivotally connected to the handle pipe and can rotate relative to the handle pipe. 3 .

3 . The handle height adjustment mechanism of the stroller as claimed in claim 1 , wherein the release member is slidably connected to the handle pipe and can move relative to the handle pipe. 4 .

4. The handle height adjustment mechanism of baby stroller according to claim 1, characterized in that, the handle pipe includes a pipe part set on the top end of the frame pipe part, and a housing fixed on the bottom end of the pipe part , the through hole, the latching piece, the release piece and the elastic element are arranged on the housing.

5. The handle height adjustment mechanism of baby stroller as claimed in claim 1, characterized in that, the actuating member comprises a set of pull handles arranged on the handle pipe, and a handle connected to the release member and the The connecting line between the pull handles, the pull handle can slide along the axis of the handle pipe to drive the movement of the release part.

6 . The height adjusting mechanism of the handlebar of the stroller as claimed in claim 2 , wherein the elastic element is a torsion spring whose two ends are fastened to the handle pipe and the release member respectively. 7 .

7 . The height adjustment mechanism of the handlebar of the stroller as claimed in claim 2 or 6 , wherein the locking member is pivotally connected to the unlocking member. 8 .

8. The handle height adjustment mechanism of baby stroller according to claim 2 or 6, characterized in that, the engaging member comprises two spaced apart protrusions, and the unlocking member comprises a convex teeth.

9. The handle height adjustment mechanism of baby stroller as claimed in claim 4, characterized in that, one of the casing and the locking member is provided with an elongated guide hole, and the handle height adjustment mechanism also includes a through hole A pin rod disposed in the elongated guide hole and engaged with the other one of the housing and the locking member, the elongated guide hole has a first end adjacent to the through hole, and a second end far away from the through hole , the elastic element is constantly biased towards the release member so that the pin is located at one of the first end and the second end.

10. The handle height adjustment mechanism of baby carriage according to claim 9, characterized in that, the elongated guide hole is provided in the casing, and the pin rod is passed through the elongated guide hole and engages with the locking member and the release member are pivotally connected, and the elastic element is constantly biased toward the release member so that the pin is located at the first end.

11. The handle height adjustment mechanism of baby stroller according to claim 9, characterized in that, the elongated guide hole is provided on the locking member, the pin rod is passed through the elongated guide hole and connected to the housing engaged, the elastic element is constantly biased toward the release member so that the pin is located at the second end.

12. The handle height adjustment mechanism of baby stroller according to claim 3, characterized in that, the release member has an oblique guide hole, and the handle height adjustment mechanism includes an oblique guide hole that passes through the oblique guide hole and engages with the card. When the unlocking member moves relative to the handle pipe, the movement of the pin rod along the oblique guide hole makes the locking member disengage from the latching with the positioning hole.

13 . The height adjusting mechanism of the handlebar of the stroller as claimed in claim 3 , wherein the elastic element is a compression spring whose two ends abut against the handle tube and the release member respectively. 14 .

14. A stroller, characterized in that the stroller comprises:

A frame tube, including a plurality of positioning holes arranged at intervals along the axial direction;

A pipe fitting in one hand can be movably worn on the top of the pipe fitting of the frame;

One-handle height adjustment mechanism, including:

a locking part arranged in the handle pipe;

a lock release part movably connected in the handle tube, the lock release part can be linked with the catch part; and

an elastic element for providing the reset of the release member;

Wherein the locking member can pass through a through hole on the handle pipe and engage with one of the positioning holes in the positioning hole, so as to lock the handle pipe at a selected height position relative to the frame pipe, the The unlocking part can be linked with the locking part through remote control so as to disengage from the locking with the positioning hole.

15. The baby stroller as claimed in claim 14, wherein the handle height adjustment mechanism comprises an actuating member slidably disposed on the handle tube, and the actuating member can be linked with the locking member to Make it out of the catch with the positioning hole.

16. The stroller as claimed in claim 14, wherein the release member is pivotally connected to the handle tube and can rotate relative to the handle tube.

17. The stroller as claimed in claim 14, wherein the release member is slidably connected to the handle tube and can move relative to the handle tube.

18. The stroller as claimed in claim 14, wherein the handle tube includes a tube set on the top of the frame tube, and a tube fixed at the bottom of the tube and protruding from the bottom of the tube. Out of the housing, the through hole, the locking member, the release member and the elastic element are arranged on the housing.