CN205022663U - Child stroller - Google Patents
Child stroller Download PDFInfo
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- CN205022663U CN205022663U CN201520688313.0U CN201520688313U CN205022663U CN 205022663 U CN205022663 U CN 205022663U CN 201520688313 U CN201520688313 U CN 201520688313U CN 205022663 U CN205022663 U CN 205022663U
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- locking
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- seat
- center frame
- unlock
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- 230000000694 effects Effects 0.000 claims description 8
- 210000000515 tooth Anatomy 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000002441 reversible effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
Abstract
(B, ) the utility model relates to a (B, ) (b) child stroller. Child stroller includes wheel support, center bearing bracket, seat pocket support and push rod, the fixed rotation joint that is provided with on the center bearing bracket, seat pocket support, push rod pass through rotation joint is connected with the center bearing bracket. The center bearing bracket is rotatably installed on the wheel support, child stroller is still including installing the rotatory locking mechanical system that being used for on wheel support and/or center bearing bracket locked wheel support and center bearing bracket mutually. Drive a pocket rotation through rotatable center bearing bracket and turn to, realize the rotatory back of center bearing bracket fixing in the user state position through rotatory locking mechanical system. The utility model discloses can do not take off pocket realize a seat pocket in the orientation with freely switches over between the child stroller direction of advance, the person's of facilitating the use use has reduced use of risk, has improved the security and the practicality of a pocket orientation switching. (B, )
Description
Technical field
the utility model belongs to articles for children field, is specifically related to a kind of children trolley.
Background technology
at present, children trolley all has a pocket and handle and reversible push bar usually, is rotationally connected, fixedly makes car load be in the lock state by lockout mechanism between handle and support.If publication number is a kind of Folding trolley described in the patent document of 203805955U, it comprises folding vehicle frame, described vehicle frame comprises bottom bracket, sit root and stem of certain plants support and handle, described bottom bracket, seat root and stem of certain plants support and handle are connected by rotary joint, described rotary joint comprises part in the rotary joint be fixedly connected with described bottom bracket upper end, be fixedly connected with the lower end of described handle and can with the first rotary joint outer member in relative rotation of part in described rotary joint, be fixedly connected with the middle part of described seat pocket support and can with the second rotary joint outer member in relative rotation of part in described rotary joint, can along the rotary joint tooth of the axially movement in part and the second rotary joint outer member in described rotary joint of part in described rotary joint, move axially along part in described rotary joint and drive the unblock spin-block of described rotary joint tooth movement and be coaxially fixedly connected with described first rotary joint outer member and be arranged on the interlock iron plate in described rotary joint tooth.Utilize have part in rotary joint, the first rotary joint outer member, the second rotary joint outer member, rotary joint tooth rotary joint the wheel stand of go-cart, center frame, handle and seat pocket bracket-rotatable are dynamically connected, realize the normal working of go-cart, the switching of handle commutation states by adjustment rotary joint tooth from part, the first rotary joint outer member, the different coupled condition of the second rotary joint outer member in rotary joint.
but handle can only commutate by this children trolley easily, if need by seat pocket towards and just can complete commutation back to switching between children trolley working direction seat pocket to be unlocked extract from children trolley, if have children in seat pocket, the mode for this commutation of operator is extremely inconvenient and neither very stable and safety.
Utility model content
the technical problems to be solved in the utility model is to provide and a kind ofly freely can switches a children trolley in pocket direction without the need to taking off a pocket.
in order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of children trolley, comprise wheel stand, center frame and seat pocket support, described center frame to be arranged on described wheel stand and can relatively described wheel stand at horizontal rotation in surface, described seat pocket support to be installed on described center frame and together to rotate with described center frame, described seat pocket support relative wheel support on described center frame has the first control position and the second control position, when described seat pocket support is in the first control position, children at described seat pocket support inner face forward, when described seat pocket support is in the second place, children at described seat pocket support inner face backward, described children trolley also comprises for by the rotary locking mechanism of described seat pocket bracket locked at the first control position and the second control position.Described rotary locking mechanism comprises the first locking seat be installed on wheel stand, be fixedly connected with center frame second locks seat and can lock seat and second first and lock the locking piece slided up and down between seat, described first locking seat upper opening forms the first chamber to inner, described first chamber inner wall offers the first locked groove, described second locking seat lower openings forms the second chamber to inner, the second locked groove is offered in described second chamber, described first locking seat and second locks seat and is mutually rotationally connected, first chamber and the second chamber form the cavity that can hold locking piece, described locking piece has the locking part coordinated with the first locked groove and the second locked groove, when seat pocket support is in the first control position or the second control position, described locking part is embedded in the first locked groove and the second locked groove (621) simultaneously, described wheel stand and center frame are locked to each other.
concrete, described first locked groove has multiple and along the first locking seat inwall circumference distribution, described second locked groove has multiple and along the second locking seat inwall circumference distribution, described locking part is the multiple locking teeths be opened in locking piece circumference.
further, described children trolley also comprises a release mechanism for being unlocked by rotary locking mechanism, described release mechanism comprises the unlock component for being separated with the second locked groove by described locking part, when seat pocket support is in the first control position or the second control position, during unblock, described unlock component promotes locking piece slide downward, and described locking part to be embedded in the first locked groove and to be separated with the second locked groove, and described center frame is released and can freely rotates.
concrete, described unlock component comprises and being arranged on locking piece and first unlock piece that can rotate on locking piece and the second unlock piece, the top of described first unlock piece offers the first slope, and the bottom of described first unlock piece has the first outstanding lug boss, the top of described second unlock piece offers the second slope, the bottom of described second unlock piece has the second outstanding lug boss, the inwall of described second locking seat have the first wedge shape projection forming wedge structure respectively with the first slope and the second slope and the second wedge shape projection, described locking piece offers the first slot to make way with the first raised portion fits, with the second slot to make way of the second raised portion fits, when seat pocket support is in the first control position, first lug boss is against on the upper surface of locking piece, second lug boss is embedded in the second slot to make way, during unblock, rotate the first unlock piece, under the wedge structure effect that the first wedge shape projection and the first slope form, first unlock piece moves downward while rotating, first lug boss extruding locking piece moves downward until locking part is separated with the second locked groove, when seat pocket support is in the second control position, second lug boss is against on the upper surface of locking piece, first lug boss is embedded in the first slot to make way, during unblock, rotate the second unlock piece, under the wedge structure effect that the second wedge shape projection and the second slope form, the second unlock piece moves downward while rotating, and the second lug boss extruding locking piece moves downward until locking part is separated with the second locked groove, after locking part is separated with the second locked groove, described center frame is released and can freely rotates.
further, described rotary locking mechanism also comprises the baffle plate be fixed on described second locking seat, described first unlock piece and the second unlock piece are positioned at the first chamber above baffle plate, described baffle plate offer the first position-limited trough of accommodation first lug boss and hold the second position-limited trough of the second lug boss, when center frame rotates, baffle plate drives the first unlock piece to rotate together with the second unlock piece, when center frame rotates, when seat pocket support arrives the first control position, first lug boss is against on the upper surface of locking piece, and the second lug boss is fallen in the second slot to make way; When center frame rotates, when seat pocket support is in the second control position, the second lug boss is against on the upper surface of locking piece, and the first lug boss is fallen in the first slot to make way.
further, described release mechanism also comprises the first solution lock slide and second can be located at slidably on described center frame and separates lock slide, described first separates lock slide is connected by the first trailing cable with described first unlock piece, described second separates lock slide is connected by the second trailing cable with described second unlock piece, the top that described children trolley also comprises bottom and described center frame to be rotated the push rod be connected by rotary joint, described first solution lock slide and described second is separated lock slide and is laid respectively at the left and right sides of described center frame and match with the described rotary joint of both sides, under described seat pocket support is in the first control position, during unblock, overturn forward described push rod, described rotary joint promotes described first and unlocks skid, described first trailing cable is stretched, described first trailing cable pulls described first unlock piece to rotate on locking piece, order about described locking piece slide downward to unlock, under described seat pocket support is in the second control position, during unblock, overturn forward described push rod, described rotary joint promotes described second and unlocks skid, described second trailing cable is stretched, described second trailing cable pulls described second unlock piece to rotate on locking piece, orders about described locking piece slide downward and unlocks.
concrete, described center frame comprises opening up U-shaped bar, described rotary joint has two and is separately positioned on the two ends of described U-shaped bar, when described seat pocket support is installed on described center frame, the left and right sides of described seat pocket support is connected with rotary joint respectively, described push rod takes the shape of the letter U, and the two ends of described push rod are rotationally connected by the two ends of described rotary joint and U-shaped bar.
concrete, described center frame also comprises the rotating shaft being fixedly connected on U-shaped bar middle and lower part, described wheel stand comprises the sleeve pipe of the hollow being installed in the first locking seat bottom, described rotating shaft is inserted in described sleeve pipe through the first unlock piece, the second unlock piece, baffle plate, locking piece and the first locking seat, and described rotating shaft is connected with rotation of sleeve.
further, described children trolley also comprises the return unit ordering about described locking piece and slide to the second chamber interior, described return unit is retracing spring, described retracing spring is against between the inwall of locking piece and the first chamber, center frame rotates, when seat pocket support arrives the first control position or the second control position, described return unit promotes locking piece and resets to the second chamber indoor sport, described locking part is embedded in the first locked groove and the second locked groove simultaneously, and described wheel stand and center frame are locked to each other.
involvedly above go up the inferior noun of locality all around, is that the orientation work when described children trolley normally uses defines.
scope of the present utility model, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the utility model compared with prior art has following advantages: drive a pocket to turn to by rotatable center frame, realizes fixing towards with two control positioies back to children trolley working direction after seat pocket support rotates by rotary locking mechanism.The utility model can not take off a pocket realize seat pocket towards and freely switch between children trolley working direction, the use of person easy to use, reduces application risk, improves safety and a practicality that a pocket direction switches.
Accompanying drawing explanation
fig. 1 is the structural representation that the seat pocket support of the utility model children trolley is in the first control position;
fig. 2 is the structural representation that the seat pocket support of the utility model children trolley is in the second control position;
fig. 3 is the cutaway view of rotary locking mechanism and release mechanism;
fig. 4 is the exploded view of rotary locking mechanism and release mechanism;
fig. 5 is the structural representation of the second locking seat;
fig. 6 is the structural representation of the first solution lock slide and the first trailing cable.
wherein: 1, wheel stand; 2, center frame; 3, seat pocket support; 4, push rod; 5, rotary joint; 6, rotary locking mechanism; 7, release mechanism; 8, unlock component; 11, sleeve pipe; 21, U-shaped bar; 22, rotating shaft; 41, handle is unlocked; 61, the first locking seat; 62, the second locking seat; 63, locking piece; 64, return unit; 65, the first chamber; 66, the second chamber; 67, baffle plate; 71, first lock slide is separated; 72, second lock slide is separated; 73, the first trailing cable; 74, the second trailing cable; 81, the first unlock piece; 82, the second unlock piece; 83, the first slope; 84, the first lug boss; 85, the second slope; 86, the second lug boss; 611, the first locked groove; 621, the second locked groove; 622, the first wedge shape is protruding; 623, the second wedge shape is protruding; 631, the first slot to make way; 632, the second slot to make way; 633, locking part; 671, the first position-limited trough; 672, the second position-limited trough.
Detailed description of the invention
as shown in Figures 1 to 6, a kind of children trolley described in the utility model, comprises wheel stand 1, center frame 2 and seat pocket support 3.Described center frame 2 to be arranged on described wheel stand 1 and can relatively described wheel stand 1 at horizontal rotation in surface, described seat pocket support 3 to be installed on described center frame 2 and to prop up 2 framves with described center and together rotates, described seat pocket support 3 relative wheel support 1 on described center frame 2 has the first control position and the second control position, when described seat pocket support 3 is in the first control position, children at described seat pocket support 3 inner face forward, when described seat pocket support 3 is in the second place, children at described seat pocket support 3 inner face backward.Described children trolley also comprises the rotary locking mechanism 6 for described seat pocket support 3 being locked in the first control position and the second control position.Described rotary locking mechanism 6 comprises the first locking seat 61 be installed on wheel stand 1, be fixedly connected with center frame 2 second locks seat 62 and can lock seat 61 and second first and lock the locking piece 63 slided up and down between seat 62, described first locking seat 61 upper opening forms the first chamber 65 to inner, described first chamber 65 inwall offers the first locked groove 611, described second locking seat 62 lower openings forms the second chamber 66 to inner, the second locked groove 621 is offered in described second chamber 66, described first locking seat 61 and second locks seat 62 and is mutually rotationally connected, first chamber 65 and the second chamber 66 form the cavity that can hold locking piece 63, described locking piece 63 has the locking part 633 coordinated with the first locked groove 611 and the second locked groove 621, when seat pocket support 3 is in the first control position or the second control position, described locking part 633 is embedded in the first locked groove 611 and the second locked groove 621 simultaneously, described wheel stand 1 and center frame 2 are locked to each other.
described first locked groove 611 has multiple and along the first locking seat 61 inwall circumference distribution, described second locked groove 621 has multiple and along the second locking seat 62 inwall circumference distribution, described locking part 633 is for being opened in the multiple locking teeths in locking piece 63 circumference.
described children trolley also comprises a release mechanism 7 for being unlocked by rotary locking mechanism 6, described release mechanism 7 comprises the unlock component 8 for being separated with the second locked groove 621 by described locking part 633, when seat pocket support 3 is in the first control position or the second control position, during unblock, described unlock component 8 promotes locking piece 63 slide downward, described locking part 633 to be embedded in the first locked groove 611 and to be separated with the second locked groove 621, and described center frame 2 is released and can freely rotates.
described unlock component 8 comprises and being arranged on locking piece 63 and first unlock piece 81 and second unlock piece 82 that can rotate on locking piece 63, the top of described first unlock piece 81 offers the first slope 83, and the bottom of described first unlock piece 81 has the first outstanding lug boss 84, the top of described second unlock piece 82 offers the second slope 85, the bottom of described second unlock piece 82 has the second outstanding lug boss 86, the inwall of described second locking seat 62 have the first wedge shape protruding 622 and the second wedge shape projection 623 that form wedge structure respectively with the first slope 83 and the second slope 85, described locking piece 63 offers the first slot to make way 631 coordinated with the first lug boss 84, the second slot to make way 632 coordinated with the second lug boss 86, when seat pocket support 3 is in the first control position, first lug boss 84 is against on the upper surface of locking piece 63, second lug boss 86 is embedded in the second slot to make way 632, during unblock, rotate the first unlock piece 81, under the wedge structure effect that the first wedge shape protruding 622 and the first slope 83 form, first unlock piece 81 moves downward while rotating, first lug boss 84 extrudes locking piece 63 and moves downward until locking part 633 is separated with the second locked groove 621, when seat pocket support 3 is in the second control position, second lug boss 86 is against on the upper surface of locking piece 63, first lug boss 84 is embedded in the first slot to make way 631, during unblock, rotate the second unlock piece 82, under the wedge structure effect that the second wedge shape protruding 623 and the second slope 85 form, the second unlock piece 82 moves downward while rotating, and the second lug boss 86 extrudes locking piece 63 and moves downward until locking part 633 is separated with the second locked groove 621, after locking part 633 is separated with the second locked groove 621, described center frame 2 is released and can freely rotates.
described rotary locking mechanism 6 also comprises the baffle plate 67 be fixed on described second locking seat 62, described first unlock piece 81 and the second unlock piece 82 are positioned at the first chamber 65 above baffle plate 67, described baffle plate 67 offer the first position-limited trough 671 of accommodation first lug boss 84 and hold the second position-limited trough 672 of the second lug boss 86, when center frame 2 rotates, baffle plate 67 drives the first unlock piece 81 to rotate together with the second unlock piece 82, when center frame 2 rotates, when seat pocket support 3 arrives the first control position, first lug boss 84 is against on the upper surface of locking piece 63, second lug boss 86 is fallen in the second slot to make way 632, when center frame 2 rotates, when seat pocket support 3 is in the second control position, the second lug boss 86 is against on the upper surface of locking piece 63, and the first lug boss 84 is fallen in the first slot to make way 631.
described release mechanism 7 also comprises can be located at first on described center frame 2 slidably and separate lock slide 71 and the and separate lock slide 72.Described first separates lock slide 71 is connected by the first trailing cable 73 with described first unlock piece 81, and described second separates lock slide 72 is connected by the second trailing cable 74 with described second unlock piece 82.The top that described children trolley also comprises bottom and described center frame 2 to be rotated the push rod 4 be connected by rotary joint 5, described first solution lock slide 71 and described second is separated lock slide 72 and is laid respectively at the left and right sides of described center frame 2 and match with the described rotary joint 5 of both sides, under described seat pocket support 3 is in the first control position, during unblock, overturn forward described push rod 4, described rotary joint 5 promotes described first solution lock slide 71 and slides, described first trailing cable 73 is stretched, described first trailing cable 73 pulls described first unlock piece 81 to rotate on locking piece 63, order about described locking piece 63 slide downward to unlock, under described seat pocket support 3 is in the second control position, during unblock, overturn forward described push rod 4, described rotary joint 5 promotes described second solution lock slide 72 and slides, described second trailing cable 74 is stretched, described second trailing cable 74 pulls described second unlock piece 82 to rotate on locking piece 63, orders about described locking piece 63 slide downward and unlocks.
described center frame 2 comprises opening up U-shaped bar 21 and is fixedly connected on the rotating shaft 22 of U-shaped bar 21 middle and lower part.Described U-shaped bar 21 inner hollow forms tube chamber.Described rotary joint 5 has two and is separately positioned on the two ends of described U-shaped bar 21, when described seat pocket support 3 is installed on described center frame 2, the left and right sides of described seat pocket support 3 is connected with rotary joint 5 respectively, described push rod 4 takes the shape of the letter U, and the two ends of described push rod 4 are rotationally connected with the two ends of U-shaped bar 21 by described rotary joint 5.Described wheel stand 1 comprises the sleeve pipe 11 of the hollow being installed in the first locking seat 61 bottom, described rotating shaft 22 is inserted in described sleeve pipe 11 through the first unlock piece 81, second unlock piece 82, baffle plate 67, locking piece 63 and the first locking seat 61, and described rotating shaft 22 is rotationally connected with sleeve pipe 11.In the present embodiment, the first solution lock slide 71, first unlock piece 81, first trailing cable 73 and the second trailing cable 74 are all arranged in the tube chamber of U-shaped bar 21.
described children trolley also comprises orders about the return unit 64 of described locking piece 63 to the second chamber 66 internal slide, described return unit 64 is retracing spring, described retracing spring is against between locking piece 63 and the inwall of the first chamber 65, center frame 2 rotates, when seat pocket support 3 arrives the first control position or the second control position, described return unit 64 promotes locking piece 63 and to move in the second chamber 66 reset, described locking part 633 is embedded in the first locked groove 611 and the second locked groove 621 simultaneously, and described wheel stand 1 and center frame 2 are locked to each other.
rotary joint 5 has the locking and unlocking state, and when rotary joint 5 is in the lock state, the relative position between push rod 4 and center frame 2 is fixed, and when rotary joint 5 is in released state, push rod 4 can overturn by relative centre support 2 forward or backward.This children trolley also comprises the unblock handle 41 that rotary joint 5 is unlocked, and unlocks handle 41 and can be slidably arranged on push rod 4, unlocks handle 41 and is connected with rotary joint 5 by steel wire rope.Making rotary joint 5 synchronizing unlocking of U-shaped bar 21 both sides in the present embodiment by unlocking handle 41, unlocking the main points that handle 41, steel wire rope, rotary joint 5 and trailing cable are not this patent protections, version of the prior art can be adopted, do not repeat them here.
the commutation process of the utility model seat pocket support 3 is as follows:
when seat pocket support 3 is in the first control position, namely during forward using state, as shown in Figure 1, now, in the first locked groove 611 that the locking part 633 of locking piece 63 is embedded in the first locking seat 61 simultaneously and in the second locked groove 621 of the second locking seat 62, center frame 2 and wheel stand 1 lock mutually, and the first lug boss 84 of the first unlock piece 81 is against above locking piece 63, and the second lug boss 86 of the second unlock piece 82 is embedded in the second slot to make way 632 of locking piece 63.When needing commutation, first promoting to unlock handle 41 makes rotary joint 5 unlock, overturn push rod 4 forward afterwards, in the process that push rod 4 overturns, rotary joint 5 and first is separated lock slide 71 and coordinates thus drive first to separate lock slide 71 and slide, first separates lock slide 71 slip makes the first trailing cable 73 be tightened up, thus pull the first unlock piece 81 at the surface pivots of locking piece 63, the inclined-plane being locked the first wedge shape projection 622 of seat 62 by first slope 83 and second on the first unlock piece 81 top is coordinated, the first lug boss 84 ordering about the first unlock piece 81 withstands locking piece 63, locking piece 63 is slided to the direction of disengaging second locked groove 632, locking piece 63 in the present embodiment moves downward.Until locking piece 63 and the second locked groove 632 depart from completely, now rotary locking mechanism 6 is just in released state, and the second lug boss 86 of the second unlock piece 82 departs from the second slot to make way 632 on locking piece 63 simultaneously.In the process, second separates lock slide 72 is in rotary joint 5 state disengaged, and second separates lock slide 72 keeps motionless, and the second trailing cable 74 is in free state, makes the second unlock piece 82 keep motionless.Unlock rear center's support 2 just can to rotate by relative wheel support 1, drive seat pocket support 3 synchronous axial system in the process that center frame 2 rotates, when center frame 2 rotates, baffle plate 67 drives the first unlock piece 81 and the second unlock piece 82 to rotate.After seat pocket support 3 turns to the second control position and reverse using state, first lug boss 84 of the first unlock piece 81 is fallen in the first slot to make way 631 of locking piece 63, locking piece 63 upward sliding make the locking part 633 of locking piece 63 be inserted in the second locked groove 621 of the second locking seat 62 under the effect of the elastic force of retracing spring, now locking part 633 is embedded in the first locked groove 611 of the first locking seat 61 simultaneously, and rotary locking mechanism 6 is in the lock state again.Now this children trolley just can be present under pocket support 3 is in reverse using state and be employed.
when seat pocket support 3 is in the second control position, namely during reverse using state, as shown in Figure 2, now, in the first locked groove 611 that the locking part 633 of locking piece 63 is embedded in the first locking seat 61 simultaneously and in the second locked groove 621 of the second locking seat 62, center frame 2 and wheel stand 1 lock mutually, and the second lug boss 86 of the second unlock piece 82 is against above locking piece 63, and the first lug boss 84 of the first unlock piece 81 is embedded in the first slot to make way 631 of locking piece 63.When needing commutation, first promoting to unlock handle 41 makes rotary joint 5 unlock, overturn push rod 4 forward afterwards, in the process that push rod 4 overturns, rotary joint 5 and second is separated lock slide 72 and coordinates thus drive second to separate lock slide 71 and slide, second separates lock slide 71 slip makes the second trailing cable 74 be tightened up, thus pull the second unlock piece 82 at the surface pivots of locking piece 63, the inclined-plane being locked the second wedge shape projection 623 of seat 62 by second slope 85 and second on the second unlock piece 82 top is coordinated, the second lug boss 86 ordering about the second unlock piece 82 withstands locking piece 63, locking piece 63 is slided to the direction of disengaging second locked groove 632, locking piece 63 in the present embodiment moves downward.Until locking piece 63 and the second locked groove 632 depart from completely, now rotary locking mechanism 6 is just in released state, and the first lug boss 84 of the first unlock piece 81 departs from the hundred millionth slot to make way 631 on locking piece 63 simultaneously.In the process, first separates lock slide 71 is in rotary joint 5 state disengaged, and first separates lock slide 71 keeps motionless, and the first trailing cable 73 is in free state, makes the first unlock piece 81 keep motionless.Unlock rear center's support 2 just can to rotate by relative wheel support 1, drive seat pocket support 3 synchronous axial system in the process that center frame 2 rotates, when center frame 2 rotates, baffle plate 67 drives the first unlock piece 81 and the second unlock piece 82 to rotate.After seat pocket support 3 turns to the first control position and forward using state, second lug boss 86 of the second unlock piece 82 is fallen in the second slot to make way 632 of locking piece 63, locking piece 63 upward sliding make the locking part 633 of locking piece 63 be inserted in the second locked groove 621 of the second locking seat 62 under the effect of the elastic force of retracing spring, now locking part 633 is embedded in the first locked groove 611 of the first locking seat 61 simultaneously, and rotary locking mechanism 6 is in the lock state again.Now this children trolley just can be present under pocket support 3 is in forward using state and be employed.
as mentioned above, we are illustrated according to aim of the present utility model completely, but the utility model is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present utility model.
Claims (9)
1. a children trolley, comprise wheel stand (1), center frame (2) and seat pocket support (3), described center frame (2) be arranged on described wheel stand (1) upper and can relatively described wheel stand (1) at horizontal rotation in surface, it is upper and prop up (2) frame with described center and together rotate that described seat pocket support (3) is installed in described center frame (2), described seat pocket support (3) has the first control position and the second control position at the upper relative wheel support (1) of described center frame (2), when described seat pocket support (3) is in the first control position, children at described seat pocket support (3) inner face forward, when described seat pocket support (3) is in the second place, children at described seat pocket support (3) inner face backward, described children trolley also comprises the rotary locking mechanism (6) for described seat pocket support (3) being locked in the first control position and the second control position, it is characterized in that: described rotary locking mechanism (6) comprises the first locking seat (61) be installed on wheel stand (1), be fixedly connected with center frame (2) second locks seat (62) and can lock seat (61) and second first and lock the locking piece (63) slided up and down between seat (62), described first locking seat (61) upper opening forms the first chamber (65) to inner, described first chamber (65) inwall offers the first locked groove (611), described second locking seat (62) lower openings forms the second chamber (66) to inner, the second locked groove (621) is offered in described second chamber (66), described first locking seat (61) and second locks seat (62) and is mutually rotationally connected, first chamber (65) and the second chamber (66) form the cavity that can hold locking piece (63), described locking piece (63) has the locking part (633) coordinated with the first locked groove (611) and the second locked groove (621), when seat pocket support (3) is in the first control position or the second control position, described locking part (633) is embedded in the first locked groove (611) and the second locked groove (621) simultaneously, described wheel stand (1) and center frame (2) are locked to each other.
2. children trolley according to claim 1, it is characterized in that: described first locked groove (611) has multiple and distributes along the first locking seat (61) inwall circumference, described second locked groove (621) has multiple and along the second locking seat (62) inwall circumference distribution, described locking part (633) is for being opened in the multiple locking teeths in locking piece (63) circumference.
3. children trolley according to claim 2, it is characterized in that: described children trolley also comprises a release mechanism (7) for being unlocked by rotary locking mechanism (6), described release mechanism (7) comprises the unlock component (8) for being separated with the second locked groove (621) by described locking part (633), when seat pocket support (3) is in the first control position or the second control position, during unblock, described unlock component (8) promotes locking piece (63) slide downward, described locking part (633) to be embedded in the first locked groove (611) and to be separated with the second locked groove (621), described center frame (2) is released and can freely rotates.
4. children trolley according to claim 3, it is characterized in that: described unlock component (8) comprises that to be arranged on locking piece (63) upper and can at upper the first unlock piece (81) that rotates of locking piece (63) and the second unlock piece (82), the top of described first unlock piece (81) offers the first slope (83), and the bottom of described first unlock piece (81) has outstanding the first lug boss (84), the top of described second unlock piece (82) offers the second slope (85), the bottom of described second unlock piece (82) has outstanding the second lug boss (86), the inwall of described second locking seat (62) have the first wedge shape projection (622) and the second wedge shape projection (623) that form wedge structure respectively with the first slope (83) and the second slope (85), described locking piece (63) offers the first slot to make way (631) coordinated with the first lug boss (84), the second slot to make way (632) coordinated with the second lug boss (86), when seat pocket support (3) is in the first control position, first lug boss (84) is against on the upper surface of locking piece (63), second lug boss (86) is embedded in the second slot to make way (632), during unblock, rotate the first unlock piece (81), under the wedge structure effect that the first wedge shape projection (622) and the first slope (83) form, move downward while first unlock piece (81) rotates, first lug boss (84) extruding locking piece (63) moves downward until locking part (633) is separated with the second locked groove (621), when seat pocket support (3) is in the second control position, second lug boss (86) is against on the upper surface of locking piece (63), first lug boss (84) is embedded in the first slot to make way (631), during unblock, rotate the second unlock piece (82), under the wedge structure effect that the second wedge shape projection (623) and the second slope (85) form, move downward while second unlock piece (82) rotates, the second lug boss (86) extruding locking piece (63) moves downward until locking part (633) is separated with the second locked groove (621), after locking part (633) is separated with the second locked groove (621), described center frame (2) is released and can freely rotates.
5. children trolley according to claim 4, it is characterized in that: described rotary locking mechanism (6) also comprises the baffle plate (67) be fixed in described second locking seat (62), described first unlock piece (81) and the second unlock piece (82) are positioned at first chamber (65) of baffle plate (67) top, described baffle plate (67) offer first position-limited trough (671) of accommodation first lug boss (84) and hold second position-limited trough (672) of the second lug boss (86), when center frame (2) rotates, baffle plate (67) drives the first unlock piece (81) and the second unlock piece (82) to rotate together, when center frame (2) rotates, when seat pocket support (3) arrives the first control position, first lug boss (84) is against on the upper surface of locking piece (63), second lug boss (86) is fallen in the second slot to make way (632), when center frame (2) rotates, when seat pocket support (3) is in the second control position, the second lug boss (86) is against on the upper surface of locking piece (63), and the first lug boss (84) is fallen in the first slot to make way (631).
6. children trolley according to claim 5, it is characterized in that: described release mechanism (7) also comprises the first solution lock slide (71) and second can be located at slidably on described center frame (2) and separates lock slide (72), described first separates lock slide (71) is connected by the first trailing cable (73) with described first unlock piece (81), described second separates lock slide (72) is connected by the second trailing cable (74) with described second unlock piece (82), the top that described children trolley also comprises bottom and described center frame (2) to be rotated the push rod (4) be connected by rotary joint (5), described first solution lock slide (71) and described second is separated lock slide (72) and is laid respectively at the left and right sides of described center frame (2) and match with the described rotary joint (5) of both sides, under described seat pocket support (3) is in the first control position, during unblock, overturn forward described push rod (4), described rotary joint (5) promotes described first and separates lock slide (71) slip, described first trailing cable (73) is stretched, described first trailing cable (73) pulls described first unlock piece (81) in the upper rotation of locking piece (63), order about described locking piece (63) slide downward to unlock, under described seat pocket support (3) is in the second control position, during unblock, overturn forward described push rod (4), described rotary joint (5) promotes described second and separates lock slide (72) slip, described second trailing cable (74) is stretched, described second trailing cable (74) pulls described second unlock piece (82) in the upper rotation of locking piece (63), orders about described locking piece (63) slide downward and unlocks.
7. children trolley according to claim 6, it is characterized in that: described center frame (2) comprises opening up U-shaped bar (21), described rotary joint (5) has two and is separately positioned on the two ends of described U-shaped bar (21), when described seat pocket support (3) is installed on described center frame (2), the left and right sides of described seat pocket support (3) is connected with rotary joint (5) respectively, described push rod (4) takes the shape of the letter U, and the two ends of described push rod (4) are rotationally connected by the two ends of described rotary joint (5) with U-shaped bar (21).
8. children trolley according to claim 7, it is characterized in that: described center frame (2) also comprises the rotating shaft (22) being fixedly connected on U-shaped bar (21) middle and lower part, described wheel stand (1) comprises the sleeve pipe (11) of the hollow being installed in the first locking seat (61) bottom, described rotating shaft (22) is inserted in described sleeve pipe (11) through the first unlock piece (81), the second unlock piece (82), baffle plate (67), locking piece (63) and the first locking seat (61), and described rotating shaft (22) and sleeve pipe (11) are rotationally connected.
9. children trolley according to claim 1, it is characterized in that: described children trolley also comprises orders about the return unit (64) of described locking piece (63) to the second chamber (66) internal slide, described return unit (64) is retracing spring, described retracing spring is against between the inwall of locking piece (63) and the first chamber (65), center frame (2) rotates, when seat pocket support (3) arrives the first control position or the second control position, described return unit (64) promotes locking piece (63) motion in the second chamber (66) and resets, described locking part (633) is embedded in the first locked groove (611) and the second locked groove (621) simultaneously, described wheel stand (1) and center frame (2) are locked to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688313.0U CN205022663U (en) | 2015-09-08 | 2015-09-08 | Child stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688313.0U CN205022663U (en) | 2015-09-08 | 2015-09-08 | Child stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022663U true CN205022663U (en) | 2016-02-10 |
Family
ID=55255223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688313.0U Active CN205022663U (en) | 2015-09-08 | 2015-09-08 | Child stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205022663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995702A (en) * | 2018-09-05 | 2018-12-14 | 湖北洋田塑料制品有限公司 | Rotary seat structure and children trolley |
-
2015
- 2015-09-08 CN CN201520688313.0U patent/CN205022663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995702A (en) * | 2018-09-05 | 2018-12-14 | 湖北洋田塑料制品有限公司 | Rotary seat structure and children trolley |
| CN108995702B (en) * | 2018-09-05 | 2024-01-26 | 湖北洋田塑料制品有限公司 | Rotary seat structure and child cart |
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