CN205930851U - Rotatory switching -over formula handcart in seat - Google Patents

Abstract

The utility model discloses a rotatory switching -over formula handcart in seat, but the locking mechanism including a main automobile body, a seat assembly and an unblock, seat assembly transversely the pivoted setting on main automobile body, a locking mechanism set up on main automobile body and/or seat assembly for the horizontal rotation of restriction seat assembly automobile body main relatively. The utility model discloses consequently well seat assembly transversely pivoted setting can rotate seat assembly as required and utilize a locking mechanism to lock seat assembly in suitable angle on main automobile body, can change the person's of taking orientation in a flexible way, and can not change main automobile body and nurse person's orientation, simple structure, easy to use.

Description

A kind of seat rotates commutation type handbarrow

Technical field

This utility model is related to a kind of handbarrow.

Background technology

Handbarrow often takes use for infant trip, and the seat of handbarrow is generally toward front, warp in use Seat when needing often can be run into towards rear so that the infant taken, towards the situation of caregiver, facilitates caregiver to check baby children Youngster's state and exchanging with infant, and the direction at existing major part its seat of handbarrow is usually fixed towards front, Cannot be commutated as needed it has not been convenient to be used, also have part handbarrow push rod can be made the structure that can commutate at present, When needing to make seat towards caregiver, the trolley position changing caregiver by swing bar is realized commutating, though so So facilitate use to a certain extent, but, structure is also complex, additionally, due to handbarrow main car body shape be not before Symmetrical afterwards, many structures such as front vehicle wheel, rear wheel, brake and handbarrow center of gravity are both for caregiver in rear go-cart Situation design, only change push rod direction and if being commutated, caregiver can be difficult to opponent in the front go-cart of handbarrow Go-cart is manipulated, and brings very big inconvenience in some instances it may even be possible to the safety of the occupants such as infant can be jeopardized to using.

Utility model content

In order to solve the above problems, the purpose of this utility model be provide one kind can flexibly change occupant towards, The seat rotation commutation type handbarrow of convenient use.

This utility model employed technical scheme comprise that for solving its technical problem：

A kind of seat rotates commutation type handbarrow, locks including a main car body, a seat assembly and one can unlock first Mechanism, described seat assembly being arranged on main car body of lateral rotation, the first described retaining mechanism is arranged on main car body And/or on seat assembly, for limiting the lateral rotation that seat assembly is relative to main car body.

Preferably, described seat assembly is folding.

Preferably, described seat assembly includes a seat frame and a back rest, and described seat frame is passed through with back rest One the first horizontal drive-connecting shaft is pivoted together and can turn folding around this first drive-connecting shaft.

Preferably, described seat assembly is additionally provided with second retaining mechanism that can unlock, this second retaining mechanism For limiting seat frame and back rest relatively rotating around the first drive-connecting shaft.

Preferably, described seat assembly also includes a base station, and this base station is hubbed on by the second drive-connecting shaft of a longitudinal direction Can be with respect to main car body lateral rotation on main car body, described seat frame and back rest are all pivoted by the first described drive-connecting shaft On this base station.

Preferably, described seat assembly has at least one limiting section, the first described retaining mechanism includes being arranged on First stopper slot of the longitudinal direction matching on main car body and with described limiting section, it is spacing that described limiting section is longitudinally plugged in first To limit the lateral rotation that seat assembly is relative to main car body in groove.

Preferably, upward, described limiting section is located at the front portion of seat frame to the opening of described first stopper slot, described The first retaining mechanism also include the position block being arranged on seat frame rear portion and the positioning piece being arranged on main car body, institute The position block stated can rotate around the first drive-connecting shaft with seat frame, and described keeper is abutted with the front end of position block to limit Around the rotation of the first drive-connecting shaft, this keeper may move or turns to disengaging position block so that seat frame can be around first seat frame Drive-connecting shaft rotates.

Preferably, the first described retaining mechanism also includes being arranged on main car body and vertical with what described limiting section matched To the second locking slot, after seat assembly is relative to main car body transverse rotation one angle, described limiting section can longitudinally be plugged in To limit the lateral rotation that seat assembly is relative to main car body in second stopper slot.

Preferably, when seat assembly is towards front, limiting section can longitudinally be plugged in the first stopper slot, works as seat assembly During towards rear, limiting section can longitudinally be plugged in the second stopper slot.

The beneficial effects of the utility model are：In this utility model seat assembly can lateral rotation be arranged on main car body On, therefore can rotate seat assembly as needed and using the first retaining mechanism, seat assembly is locked at suitable angle, energy Enough directions flexibly changing occupant, and the direction of main car body and caregiver will not be changed, structure is simply it is easy to use.

Brief description

With reference to the accompanying drawings and detailed description this utility model is described in further detail.

Fig. 1 is overall structure figure of the present utility model；

Fig. 2 is the structure chart after this utility model removes part main car body；

Fig. 3 is the exploded view after this utility model removes part main car body；

Fig. 4 is the partial enlarged drawing of part A in Fig. 3；

Fig. 5 is the structure chart after in this utility model folding seat assembly；

Fig. 6 is in this utility model, seat assembly to commutate to towards structure chart during rear.

Specific embodiment

Referring to figs. 1 to 6, a kind of seat rotates commutation type handbarrow, can solve including a main car body 10, a seat assembly and one First retaining mechanism of lock, seat assembly being arranged on main car body 10 of lateral rotation, the first retaining mechanism is arranged on main car On body 10 and/or seat assembly, for limiting the lateral rotation that seat assembly is relative to main car body 10.Group of seats in this utility model Part being arranged on main car body 10 of lateral rotation, therefore can rotate seat assembly will using the first retaining mechanism as needed Seat assembly is locked at suitable angle, can flexibly change the direction of occupant, and will not change main car body 10 and caregiver Direction, structure simple it is easy to use.Main car body 10 in the present embodiment employs folding umbrella-type car body, this kind of car body Structure is widely used in the art, and here is not separately described further, and in practical application, main car body 10 can adopt other common type Body construction it is not limited to this.

The usual volume of seat assembly is larger, for preventing main car body 10 from the rotation commutation of seat assembly is caused to hinder, permissible Seat assembly is made folding structure, so, just can first seat assembly be folded up when needing and rotating seat assembly, Reduce the space that seat assembly takies, after turning to precalculated position, then seat assembly is launched for using.The present embodiment In, seat assembly includes a seat frame 21 and a back rest 22, and seat frame 21 passes through a first horizontal pivot joint with back rest 22 Axle 41 is pivoted together and can turn folding around this first drive-connecting shaft 41, this seat assembly structure simple it is easy to processing and assembling, Also allow for being folded and launch, and the structural strength of seat frame 21 and back rest 22 will not be impacted, contribute to carrying It is ensured that the safety of the occupant such as infant, certainly, in practical application, seat assembly may also be employed the firmness of high seat assembly The other kinds of foldable structure such as bar linkage structure, Telescopic rod structure it is not limited to this.It is additionally provided with one on seat assembly can solve Second retaining mechanism of lock, this second retaining mechanism is relative around the first drive-connecting shaft 41 with back rest 22 for limiting seat frame 21 Rotate, to ensure the stable degree of seat assembly, convenient use, ensure that the safety of occupant.

In the present embodiment, the second retaining mechanism includes a unblock button 51, the locking member 52 of a gear-like, is opened in backrest One first locking slot 53 on frame 22 and one second locking slot being opened on seat frame 21（In figure is not shown）, the first locking slot 53 and second locking slot all in the gear-like matching with locking member 52, locking member 52 slides laterally and is arranged on the first locking slot 53 In, its front portion is plugged in second in locking slot to limit relatively rotating of seat frame 21 and back rest 22, unblock button 51 and lock The front end of tight part 52 abuts, and locking member 52 can be promoted to laterally move to disengaging the second locking slot by being unlocked by pressing button 51, this When seat frame 21 and back rest 22 can relatively rotate around the first drive-connecting shaft 41 to be folded, and, due to locking member 52, One locking slot 53 and the second locking slot all in gear-like, therefore, it is possible to the convenient angle adjusting between back rest 22 and seat frame 21 Degree, for example, can switch between sitting posture state and prone position state, can effectively improve the comfort level taken, and is easy to use, when So, in practical application, other conventional locking mechanism such as pins etc. may also be employed for the second retaining mechanism it is not limited to this.

In the present embodiment, seat assembly also includes a base station 23, and this base station 23 passes through the second drive-connecting shaft 42 pivot of a longitudinal direction Being located on main car body 10 can be with respect to main car body 10 lateral rotation, and seat frame 21 and back rest 22 are all by the first drive-connecting shaft 41 pivot It is located on this base station 23, so, seat frame 21 and back rest 22 just all can rotate around the first drive-connecting shaft 41, needing to rotate commutation When, seat frame 21 and back rest 22 all can be turned to longitudinal state and rotate required space to reduce seat assembly, convenient The rotation commutation of seat assembly, the folding being also convenient for this handbarrow folds.

At least one limiting section 211 is had on seat assembly, the first retaining mechanism include being arranged on main car body 10 and with limit First stopper slot 31 of the longitudinal direction that position portion 211 matches, limiting section 211 is longitudinally plugged in the first stopper slot 31 to limit seat Assembly relative to main car body 10 lateral rotation such that it is able to seat assembly is locked on main car body 10, simple and reliable for structure, easily In processing and use, in the present embodiment, limiting section 211 has been arranged on the front portion of seat frame 21, the opening court of the first stopper slot 31 Upward, so, the first stopper slot 31 just can play support effect to seat frame 21, it is possible to increase the firm sum of seat frame 21 Weight capacity it is ensured that the safety of occupant, and, seat frame 21 is rotated around the first drive-connecting shaft 41 can make after an angle spacing Portion 211 departs from the first stopper slot 31, and unblock operation is very simply it is easy to use, certainly, in practical application, limiting section 211 also may be used Be arranged on the other positions of seat assembly, the first retaining mechanism equally can adopt other common structures such as latch it is not limited to This.

First retaining mechanism also includes being arranged on a position block 32 at seat frame 21 rear portion and is arranged on main car body 10 Positioning piece 33, position block 32 can rotate around the first drive-connecting shaft 41 with seat frame 21, keeper 33 and position block 32 Front end abuts to limit the rotation around the first drive-connecting shaft 41 for the seat frame 21, and this keeper 33 may move or turns to disengaging positioning gear Block 32, so that seat frame 21 can rotate around the first drive-connecting shaft 41, main car body 10 in the present embodiment slides and is provided with a push button 331, Keeper 33 is arranged on this push button 331, and push button 331 is pushed down on a distance can make keeper 33 depart from position block 32, this position block 32 and keeper 33 can limit the rotation around the first drive-connecting shaft 41 for the seat frame 21, and then prevent limiting section 211 disengaging the first stopper slots 31, prevent seat frame 21 from occurring loosening and rotating, effectively increase the security performance of this handbarrow, Certainly, likewise, this structure may also be employed other common structures such as latch come to substitute it is not limited to this.

Second locking of the longitudinal direction that the first retaining mechanism also includes being arranged on main car body 10 and match with limiting section 211 Groove, after seat assembly is relative to main car body 10 transverse rotation one angle, limiting section 211 can longitudinally be plugged in the second stopper slot 34 To limit the lateral rotation that seat assembly is relative to main car body 10, the first stopper slot 31 and the second stopper slot 34 correspond respectively to seat Two directions of assembly, are equally used for seat assembly is locked on main car body 10, are easy to use, certainly, in practical application, The limiting section 211 of multiple diverse locations can be arranged on seat assembly, spacing by different limiting sections 211 is plugged in first So that seat assembly is fixed on different directions in groove 31, or other conventional locking mechanisms may also be employed it is not limited to This.In the present embodiment, the first stopper slot 31 is located at the front portion of main car body 10, and when seat assembly is towards front, limiting section 211 can Longitudinally it is plugged in the first stopper slot 31, the second stopper slot 34 is located at the rear portion of main car body 10, when seat assembly is towards rear, Limiting section 211 can longitudinally be plugged in the second stopper slot 34 such that it is able to easily seat assembly be locked at towards front State or towards rearward state, disclosure satisfy that general use demand, certainly, in practical application, the first stopper slot 31 He The position of the second stopper slot 34 can be adjusted flexibly as needed, or also can in addition set up stopper slot to correspond to seat assembly Other directions.

The foregoing is only preferred embodiments of the present utility model, as long as realizing this utility model with essentially identical means The technical scheme of purpose broadly falls within protection domain of the present utility model.

Claims (9)

1. a kind of seat rotation commutation type handbarrow it is characterised in that：Including a main car body（10）, a seat assembly and can solve First retaining mechanism of lock, described seat assembly can lateral rotation be arranged on main car body（10）On, described first locking Mechanism is arranged on main car body（10）And/or on seat assembly, for limiting seat assembly relative to main car body（10）Lateral rotation.

2. a kind of seat according to claim 1 rotation commutation type handbarrow it is characterised in that：Described seat assembly is Folding.

3. a kind of seat according to claim 2 rotation commutation type handbarrow it is characterised in that：Described seat assembly bag Include a seat frame（21）With a back rest（22）, described seat frame（21）With back rest（22）By a first horizontal pivot joint Axle（41）Be pivoted together can be around this first drive-connecting shaft（41）Turn folding.

4. a kind of seat according to claim 3 rotation commutation type handbarrow it is characterised in that：On described seat assembly It is additionally provided with second retaining mechanism that can unlock, this second retaining mechanism is used for limiting seat frame（21）And back rest（22）Around First drive-connecting shaft（41）Relatively rotate.

5. a kind of seat according to claim 3 rotation commutation type handbarrow it is characterised in that：Described seat assembly is also Including a base station（23）, this base station（23）By the second drive-connecting shaft of a longitudinal direction（42）It is hubbed on main car body（10）Above can be relatively Main car body（10）Lateral rotation, described seat frame（21）And back rest（22）All by the first described drive-connecting shaft（41）It is pivoted In this base station（23）On.

6. a kind of seat according to claim 5 rotation commutation type handbarrow it is characterised in that：On described seat assembly There is at least one limiting section（211）, the first described retaining mechanism includes being arranged on main car body（10）Upper and with described limiting section （211）First stopper slot of the longitudinal direction matching（31）, described limiting section（211）Longitudinally it is plugged in the first stopper slot（31）Interior To limit seat assembly relative to main car body（10）Lateral rotation.

7. a kind of seat according to claim 6 rotation commutation type handbarrow it is characterised in that：Described first stopper slot （31）Opening upward, described limiting section（211）Positioned at seat frame（21）Front portion, the first described retaining mechanism is also Including being arranged on seat frame（21）One position block at rear portion（32）Be arranged on main car body（10）On positioning piece（33）, institute The position block stated（32）Can be with seat frame（21）Around the first drive-connecting shaft（41）Rotate, described keeper（33）With position block （32）Front end abut to limit seat frame（21）Around the first drive-connecting shaft（41）Rotation, this keeper（33）May move or rotate To disengaging position block（32）So that seat frame（21）Can be around the first drive-connecting shaft（41）Rotate.

8. a kind of seat according to claim 6 rotation commutation type handbarrow it is characterised in that：The first described locking machine Structure also includes being arranged on main car body（10）Upper and with described limiting section（211）Second locking slot of the longitudinal direction matching, works as seat Assembly is relative to main car body（10）After transverse rotation one angle, described limiting section（211）The second stopper slot can be longitudinally plugged in （34）Interior with limit seat assembly relative to main car body（10）Lateral rotation.

9. a kind of seat according to claim 8 rotation commutation type handbarrow it is characterised in that：When seat assembly is towards front Fang Shi, limiting section（211）The first stopper slot can be longitudinally plugged in（31）Interior, when seat assembly is towards rear, limiting section（211） The second stopper slot can be longitudinally plugged in（34）Interior.