CN105253186B - A kind of seat commutation type trolley - Google Patents

A kind of seat commutation type trolley Download PDF

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Publication number
CN105253186B
CN105253186B CN201510675818.8A CN201510675818A CN105253186B CN 105253186 B CN105253186 B CN 105253186B CN 201510675818 A CN201510675818 A CN 201510675818A CN 105253186 B CN105253186 B CN 105253186B
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China
Prior art keywords
locking piece
leg support
car body
lock slots
seat
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Application number
CN201510675818.8A
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Chinese (zh)
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CN105253186A (en
Inventor
肖宏波
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Zhong Shanshengjia Children Supplies Co Ltd
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Zhong Shanshengjia Children Supplies Co Ltd
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Priority to CN201510675818.8A priority Critical patent/CN105253186B/en
Publication of CN105253186A publication Critical patent/CN105253186A/en
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Abstract

The invention discloses a kind of seat commutation type trolley, including a car body, a back rest and a leg support are provided with car body, described leg support is hubbed on car body by one parallel to the first drive-connecting shaft of left and right directions, slided in leg support and be provided with an at least locking piece, described locking piece can slide back and forth along leg support, the first drive-connecting shaft is provided with some lock slots to match with the locking piece on car body, described locking piece can be plugged in any lock slots to limit rotation of the leg support relative to car body around the first drive-connecting shaft, a control device is provided with described leg support or car body or backrest, the control device is used to control locking piece sliding back and forth along leg support.The present invention is simple and reliable for structure, in that context it may be convenient to the angle of inclination of leg support is adjusted, it is possible thereby to which seat frame is adjusted into a variety of different postures such as sitting posture, prone position etc., it is easy to infant to take and rest, the comfort level of infant's seating can be improved, can also realize the commutation of seat frame, is easy to use.

Description

A kind of seat commutation type trolley
Technical field
The present invention relates to a kind of trolley.
Background technology
Trolley is usually used in taking for infant, what the posture of existing its seat frame of trolley was usually fixed, big portion Divide the sitting posture state that can only be fixed on, and infant is easily tired and sleepy, particularly when long-time is taken easily in trolley Upper sleeping, this seat frame can not provide comfortable sleep environment, be unfavorable for the health of infant, and existing hand push It as frame is directed towards front with car, and the sight of caregiver is also usually stopped by the bicycle shed of backrest and trolley, is not easy to Check the state of infant, it has not been convenient to use.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of simple and reliable for structure, can easily adjust The seat commutation type trolley of seat frame posture.
The present invention is for the technical scheme that uses of its technical problem of solution:
A kind of seat commutation type trolley, including a car body, a back rest and a leg support, described leg are provided with car body Frame is hubbed on car body by one parallel to the first drive-connecting shaft of left and right directions, is slided in leg support and is provided with an at least locking piece, Described locking piece can slide back and forth along leg support, on car body around the first drive-connecting shaft be provided with match with the locking piece it is some Lock slots, described locking piece can be plugged in any lock slots to limit rotation of the leg support relative to car body around the first drive-connecting shaft, A control device is provided with described leg support or car body or back rest, the control device is used to control locking piece along before leg support After slide.
Preferably, described leg support includes an at least support tube, is slided in the inner chamber of the support tube and is provided with a sliding block, should Sliding block can be slid back and forth along the inner chamber of support tube, and the long pilot hole parallel to support tube, institute are offered on the tube wall of support tube The locking piece stated is fixed on the sliding block and the outside of support tube is extended to through the long pilot hole.
Preferably, a back-moving spring is provided between described locking piece and leg support, the back-moving spring is parallel to locking piece Glide direction, for promote locking piece reach reset and locking piece is pressed in lock slots.
Preferably, described control device includes a control line and the controlling switch being arranged in leg support, the control The both ends of line are connected with controlling switch and locking piece respectively, and the controlling switch can pull locking piece to move locking piece by control line Move to disengaging lock slots.
Preferably, each lock slots are connected by a link slot, and described locking piece can be moved to any along the link slot In lock slots.
Preferably, described back rest is hubbed on car body by one parallel to the second drive-connecting shaft of left and right directions, and this is leaned on Backrest is connected by a cover for seat with described leg support, and the cover for seat can be used for relative angle between adjustment back rest and leg support Size.
Preferably, a car shed rack is provided with described car body, the car shed rack is detachably solid by least one soft pipe clamp It is scheduled on car body.
The beneficial effects of the invention are as follows:In the present invention, locking piece can be plugged in different lockings using control device In groove, and set because each lock slots surround the first drive-connecting shaft, therefore the leg support when locking piece is plugged in different lock slots Change therewith with the angle of horizontal plane, so as to easily adjust the angle of inclination of leg support, it is possible thereby to which seat frame is adjusted Into a variety of different postures such as sitting posture, prone position etc., it is easy to infant to take and rest, it is possible to increase infant takes comfortable Degree, and by the positions of appropriate adjustment lock slots can also leg support and back rest exchange function, thus can realize The commutation of seat frame so that infant can be easy to caregiver to check the state of infant towards caregiver.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure figure of the present invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the structural representation of lock slots and locking piece in the present invention.
Embodiment
Referring to figs. 1 to Fig. 3, a kind of seat commutation type trolley, an including car body 10, a back rest is provided with car body 10 20 and a leg support 30, leg support 30 is hubbed on car body 10 by one parallel to the first drive-connecting shaft 51 of left and right directions, in leg support 30 Slip is provided with an at least locking piece 41, and locking piece 41 can slide back and forth along leg support 30, around the first drive-connecting shaft 51 on car body 10 Some lock slots 42 to match with the locking piece 41 are provided with, locking piece 41 can be plugged in any lock slots 42 to limit leg Rotation of the frame 30 relative to car body 10 around the first drive-connecting shaft 51, control dress is provided with leg support 30 or car body 10 or back rest 20 Put, the control device is used to control the sliding back and forth along leg support 30 of locking piece 41.In the present invention, it will can be locked using control device Determine part 41 to be plugged in different lock slots 42, and set because each lock slots 42 surround the first drive-connecting shaft 51, therefore when locking Part 41 is plugged in leg support 30 and the angle of horizontal plane when in different lock slots 42 and changed therewith, so as to easily adjust leg The angle of inclination of frame 30, it is possible thereby to which seat frame is adjusted into a variety of different postures such as sitting posture, prone position etc., it is easy to infant to multiply Sit and rest, it is possible to increase the comfort level that infant takes, and can also be made by the position of appropriate adjustment lock slots 42 Leg support 30 and back rest 20 exchange function, thus can realize the commutation of seat frame so that infant can towards caregiver, It is easy to caregiver to check the state of infant.
Leg support 30 includes an at least support tube 31, is slided in the inner chamber of the support tube 31 and is provided with a sliding block 32, the sliding block 32 can be slid back and forth along the inner chamber of support tube 31, and the long pilot hole parallel to support tube 31 is offered on the tube wall of support tube 31 311, locking piece 41 is fixed on the sliding block 32 and the outside of support tube 31 is extended to through the long pilot hole 311, structure profit Sliding block 32 is oriented to the inner chamber of support tube 31, slip that also can be to locking piece 41 with duration pilot hole 311 is carried out It is oriented to, simplifies structure, be easy to produce and assemble.
A back-moving spring 33 is provided between locking piece 41 and leg support 30, cunning of the back-moving spring 33 parallel to locking piece 41 Dynamic direction, for promoting the reach of locking piece 41 to reset and locking piece 41 being pressed in lock slots 42, locking piece 41 can be prevented Voluntarily release, be favorably improved the firmness that leg support 30 is connected with car body 10, control device includes a control line(Do not show in figure Go out)With the controlling switch being arranged in leg support 30(Not shown in figure), the both ends of control line respectively with controlling switch and locking Part 41 connects, and the controlling switch can pull locking piece 41 locking piece 41 is moved to disengaging lock slots 42, this reality by control line Apply in example, back-moving spring 33 has been arranged in support tube 31, back-moving spring 33 is oriented to using the inner chamber of support tube 31, just In assembling, control line also can be provided with use from the inner chamber of support tube 31 through without wire casing is opened up in addition on sliding block 32 It is simple in construction in the connecting hole 321 of connection control line, it is readily produced, controlling switch can then use shifting block, reel etc. conventional Control structure.
Lock slots 42 are connected by a link slot 43, and locking piece 41 can be moved to any lock slots 42 along the link slot 43 It is interior, the moving range of locking piece 41 can be limited, prevents that the amplitude of the rotation of leg support 30 is excessive and causes the abjection locking of locking piece 41 The scope of groove 42, it is easy to position locking piece 41, convenient use.
In the present embodiment, back rest 20 is hubbed on car body 10 by one parallel to the second drive-connecting shaft 52 of left and right directions, The back rest 20 is connected by a cover for seat with leg support 30 be able to can also be set on cover for seat elastic with the synchronous axial system of leg support 30 Structure, so can be with the angle of flexible modulation back rest 20, without in addition to adjust the angle of back rest 20 and leg support 30 Set fixed structure that back rest 20 is fixed, it is simple in construction, it is easy to use.It can pass through when leg support 30 is in substantially horizontal The angle of loosing and tightening structure regulation back rest 20 on cover for seat, makes seat take posture towards front and adjustable seat, sleeping etc.;It is logical Cross cover for seat by back rest 20 be adjusted to substantially in it is horizontal when the angle of leg support 30 is adjusted by locking piece 41 again, you can make seat Towards trammer, commutation is realized.
A car shed rack 60 is additionally provided with car body 10, the car shed rack 60 is detachably secured to by least one soft pipe clamp 61 On car body 10, for installing bicycle shed, car shed rack 60 can easily be dismounted using the structure, car shed rack 60 can be adjusted flexibly Installation site and direction are easy to use with coordinating seat frame.
The preferred embodiments of the present invention are the foregoing is only, as long as realizing the skill of the object of the invention with essentially identical means Art scheme is belonged within protection scope of the present invention.

Claims (5)

1. a kind of seat commutation type trolley, including a car body (10), a back rest (20) and a leg are provided with car body (10) Frame (30), it is characterised in that:Described leg support (30) is hubbed on car by one parallel to the first drive-connecting shaft (51) of left and right directions Slided on body (10), in leg support (30) and be provided with an at least locking piece (41), described locking piece (41) can be along before leg support (30) After slide, the first drive-connecting shaft (51) is provided with some lock slots to match with the locking piece (41) on car body (10) (42), described locking piece (41) can be plugged in any lock slots (42) to limit leg support (30) with respect to car body (10) around first A control device is provided with the rotation of drive-connecting shaft (51), described leg support (30) or car body (10) or back rest (20), the control Device processed is used to control locking piece (41) sliding back and forth along leg support (30), and described back rest (20) is by one parallel to left and right Second drive-connecting shaft (52) in direction is hubbed on car body (10), and the back rest (20) passes through a cover for seat and described leg support (30) Connection, and the cover for seat can be used for the size of relative angle between adjustment back rest (20) and leg support (30);Each lock slots (42) It is connected by a link slot (43), described locking piece (41) can be moved to any lock slots (42) along the link slot (43) It is interior.
A kind of 2. seat commutation type trolley according to claim 1, it is characterised in that:Described leg support (30) is included extremely Lack a support tube (31), slided in the inner chamber of the support tube (31) and be provided with a sliding block (32), the sliding block (32) can be along support tube (31) inner chamber is slid back and forth, and the long pilot hole (311) parallel to support tube (31) is offered on the tube wall of support tube (31), Described locking piece (41) is fixed on sliding block (32) and the outside of support tube (31) is extended to through the long pilot hole (311).
A kind of 3. seat commutation type trolley according to claim 1, it is characterised in that:Described locking piece (41) and leg A back-moving spring (33) is provided between frame (30), the back-moving spring (33) is used for parallel to the glide direction of locking piece (41) Promote locking piece (41) reach to reset and locking piece (41) is pressed in lock slots (42).
A kind of 4. seat commutation type trolley according to claim 3, it is characterised in that:Described control device includes one Control line and the controlling switch being arranged in leg support (30), the both ends of the control line respectively with controlling switch and locking piece (41) connect, the controlling switch can pull locking piece (41) locking piece (41) is moved to disengaging lock slots by control line (42)。
A kind of 5. seat commutation type trolley according to claim 1, it is characterised in that:Set on described car body (10) There is a car shed rack (60), the car shed rack (60) is detachably secured on car body (10) by least one soft pipe clamp (61).
CN201510675818.8A 2015-10-16 2015-10-16 A kind of seat commutation type trolley Active CN105253186B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510675818.8A CN105253186B (en) 2015-10-16 2015-10-16 A kind of seat commutation type trolley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510675818.8A CN105253186B (en) 2015-10-16 2015-10-16 A kind of seat commutation type trolley

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CN105253186A CN105253186A (en) 2016-01-20
CN105253186B true CN105253186B (en) 2018-02-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106080734B (en) * 2016-07-11 2018-11-30 中山盛加儿童用品有限公司 A kind of seat rotation commutation type trolley

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756534A3 (en) * 1996-11-29 1998-06-05 Jane Sa Child's pushchair back
DE20020849U1 (en) * 2000-12-08 2001-02-22 Link Treasure Ltd Device for adjusting the backrest of a children's sports car
CN1433918A (en) * 2002-01-15 2003-08-06 康貝株式会社 Stroller with a reclining mechanism
CN201907548U (en) * 2010-12-29 2011-07-27 东莞盈利幼童用品有限公司 Backrest inverting structure for baby carriage
CN205098250U (en) * 2015-10-16 2016-03-23 中山盛加儿童用品有限公司 Seat switching -over formula handcart

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756534A3 (en) * 1996-11-29 1998-06-05 Jane Sa Child's pushchair back
DE20020849U1 (en) * 2000-12-08 2001-02-22 Link Treasure Ltd Device for adjusting the backrest of a children's sports car
CN1433918A (en) * 2002-01-15 2003-08-06 康貝株式会社 Stroller with a reclining mechanism
CN201907548U (en) * 2010-12-29 2011-07-27 东莞盈利幼童用品有限公司 Backrest inverting structure for baby carriage
CN205098250U (en) * 2015-10-16 2016-03-23 中山盛加儿童用品有限公司 Seat switching -over formula handcart

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