CN204173061U - Electro-tricycle multi-function back seat double-purpose chair - Google Patents

Abstract

The utility model discloses a kind of electro-tricycle multi-function back seat double-purpose chair, comprise seat, backrest and headrest, described seat and backrest are movably hinged through rotating mechanism, and between backrest and seat, be reserved with the gap of 5 ~ 15cm, the same straight line in backrest top is provided with two mounting holes, mounting hole internal fixtion cover has metallic sheath, metallic sheath surface is provided with negative thread again, bottom headrest, with mounting hole correspondence position, two slide bars are installed, described slide bar is provided with the outside thread matched with mounting hole negative thread, described headrest is through slide bar, mounting hole and movable backrest are installed.The utility model is limited and only have the electro-tricycle of a driver seat to use for interior space, driver seat can a chair multiplex, realize hauling goods at ordinary times, the emergent dual needs of holding, practical, economic value is high, through rationally promoting, will inevitably be subject to the favor of more users.

Description

Electro-tricycle multi-function back seat double-purpose chair

Technical field

The utility model relates to a kind of electric tricycle seat, is specifically related to a kind of electro-tricycle multi-function back seat double-purpose chair.

Background technology

In the scooter of city, electro-tricycle because cost is low, energy-conserving and environment-protective, small, use the advantages such as light, flexible, be subject to liking of more users, become the main flow ridden instead of walk in city gradually.But due to the characteristic that electro-tricycle has itself, when routine use, also bring many drawbacks, such as: interior space is limited, only have a driver seat, the space between seat and the tailstock multiplex come storing articles, but, in daily life, inevitably there will be the situation of emergent holding, passenger is squatted in car, one is uncomfortable, of long duration, can cause soreness of waist and ache in legs, two is squat down to take interior space especially, seems more crowded.In conjunction with electro-tricycle holding, hauling goods needs in many ways, to the built-in articles for use maximum using of electro-tricycle, can make that battery-driven car Applicable scope is wider, practicality is stronger, economic value is higher.

Utility model content

The purpose of this utility model is for the deficiencies in the prior art part, a kind of electro-tricycle multi-function back seat double-purpose chair is provided, this double-purpose chair does rational modification to existing electric vehicle seat, in conjunction with space characteristic in electric tricycle, realize a chair multiplex, meet emergent holding needs, comfort level is high, maximum using interior space.

Technical scheme: a kind of electro-tricycle multi-function back seat double-purpose chair, comprise seat, backrest and headrest, described seat and backrest are movably hinged through rotating mechanism, and between backrest and seat, be reserved with the gap of 5 ~ 15cm, the same straight line in backrest top is provided with two mounting holes, mounting hole internal fixtion cover has metallic sheath, metallic sheath surface is provided with negative thread again, bottom headrest, with mounting hole correspondence position, two slide bars are installed, described slide bar is provided with the outside thread matched with mounting hole negative thread, described headrest is through slide bar, mounting hole and movable backrest are installed, described rotating mechanism is: be fixed with horizontal in seat bilateral symmetry " L " shape attaching parts, the symmetrical fixing vertical of the two bottom sides of backrest " L " shape attaching parts, the connecting pin of two attaching partss is respectively arranged with axis hole, rotating shaft is fixed on vertical " L " shape attaching parts axis hole in, with horizontal " L " shape attaching parts axis hole activity install, and in rotating shaft and horizontal " L " shape attaching parts is provided with torsion spring, backrest and seat is made to launch in 180 degree and can restore, ratchet is fixed with at the shaft end of either side, car body there is handle by hinge, the side of handle is provided with dop, described dop coordinates with the helical teeth of ratchet to be installed.

Preferably, described slide bar from bottom to top, is provided with outside thread to slide bar 2/3 position, and when headrest inserts backrest mounting hole, slide bar outwards reserves 1/3, and for most chaufeur, this headrest height all can make chaufeur keep best pillow state.

Preferably, between described backrest and seat, preset clearance is 8 ~ 10cm.

Preferably, described backrest is all equal with height of seat, width.

Beneficial effect: multi-function back seat double-purpose chair of the present utility model, range of use has very strong specific aim, mainly for the electro-tricycle that interior space is limited, and in car, only have a driver seat, in car, afterbody is installed with battery mounting, and the container cavity that between battery mounting and driver seat, reserved enough back of seats are placed, in addition, battery mounting also should be reserved and coordinate with headrest slide bar the fixed orifice installed, the multiplex function of this back of the body seat double-purpose chair one chair realizes like this, be specially: when normally using, this seat is the same with common seat, when need meet an urgent need holding time, first top headrest is taken off, and headrest is inserted on rear battery fixed mount, now headrest function is equivalent to an interim backrest, pull handle, handle grip head and ratchet depart from, ratchet, rotating shaft is in free motion state, pull backrest backward, backrest can easily be turned over, the enough backrests in gap between backrest and seat are turned over to 180 degree, and then make backrest lie in a horizontal plane in container cavity, this backrest possesses enough bearing forces, be enough to the weight of support one adult, now namely backrest is equivalent to an interim back seat, take personnel, across getting on, the personnel back of taking can pillow in the interim backrest in rear portion, auxiliary seat now and common seat have no difference, take personnel's ride quality high, sitting posture can keep best state of nature.The design of the utility model back of the body seat double-purpose chair increases any cost hardly, also without the need to changing any structure of electro-tricycle, the electro-tricycle driver seat rear portion of basic routine is all reserved with the space of at least one seat, only need set up two fixed orifices coordinated on rear battery fixed mount, a chair is multiplex, and loading, holding all can reach optimum regime, practical, economic value is high, through rationally promoting, will inevitably be subject to the favor of more users.

Accompanying drawing explanation

Fig. 1 is the utility model electro-tricycle multi-function back seat double-purpose structure of chair schematic diagram;

Fig. 2 is that multi-function back seat double-purpose chair normally uses structural representation in car;

Fig. 3 is the plan structure schematic diagram in Fig. 2;

Fig. 4 is multi-function back seat double-purpose chair rotating mechanism structural representation;

Fig. 5 is handle control structure schematic diagram in Fig. 4.

Number in the figure, 1 is seat, and 2 is car body, and 3 is backrest, and 4 is headrest, and 5 is slide bar; 6 is mounting hole, and 7 is rotating mechanism, and 71 is horizontal attaching parts, 72 vertical attaching partss, and 73 is rotating shaft, and 74 is ratchet, and 75 is handle, and 76 is dop, and 77 is bearing pin; 8 is backrest container cavity, and 9 is battery mounting, and 10 is headrest fixed orifice.

Detailed description of the invention

Below in conjunction with specific embodiment, the utility model is described in further detail.

Embodiment 1: a kind of electro-tricycle multi-function back seat double-purpose chair, see Fig. 1, comprise seat 1, backrest 3 and headrest 4, described seat 1 is movably hinged through rotating mechanism 7 with backrest 4, and between backrest 4 and seat 1, be reserved with the gap of 5 ~ 15cm, preferably 8 ~ 10cm is best.The enough backrests in this gap are in complete flat condition relative to seat, namely turn over to 180 degree of positions.Because the surplus in gap is larger, this backrest also can turn to forward the inclination angle of about 45 degree, this is concerning operator's saddle and bearing circle place general electro-tricycle far away, and little on the impact of chaufeur, seat has enough width, chaufeur is sat forward a bit, on steering wheel operation, brake controls and driving condition does not almost have any impact, but after backrest overturns forward, larger space is just left at rear portion, can draw the article of some large volumes and more goods, practicality is stronger.The same straight line in backrest 4 top is provided with two mounting holes 6, mounting hole 6 internal fixtion cover has metallic sheath, metallic sheath surface is provided with negative thread, bottom headrest 4, with mounting hole 6 correspondence position, two slide bars 5 are installed, described slide bar 5 is provided with the outside thread matched with mounting hole 6 negative thread, described headrest is installed through slide bar, mounting hole and movable backrest; Headrest horizontal positioned, attractive in appearance, generous, comfort level is high, supporting & stablizing.Can be preferred in the present embodiment, slide bar 5 from bottom to top, outside thread is provided with to slide bar 2/3 position, when headrest inserts backrest mounting hole, slide bar outwards reserves 1/3, and for most chaufeur, this headrest height can ensure that most of chaufeur is in best head pillow state, neither affect driving, can not cause again uncomfortable.

See Fig. 4, Fig. 5, described rotating mechanism is: be fixed with horizontal in seat bilateral symmetry " L " shape attaching parts 71, the symmetrical fixing vertical of the two bottom sides of backrest " L " shape attaching parts 72, the connecting pin of two attaching partss is respectively arranged with axis hole, rotating shaft 73 is fixed on vertical " L " shape attaching parts 72 axis hole in, with horizontal " L " shape attaching parts 71 axis hole activity install, and in rotating shaft 73 with horizontal " L " shape attaching parts 71 is provided with torsion spring, torsion spring is loosed one's grip after making backrest and seat launch certain angle can realize the reset of backrest, easy to use, fast, M/C is few.Be fixed with ratchet 74 at rotating shaft 73 end of either side, car body is hinged with handle 75 by bearing pin 77, the side of handle 75 is provided with dop 76, and described dop 76 coordinates with the helical teeth of ratchet 74 to be installed.Positioning function after the present embodiment backrest 3 overturns coordinates control by handle 75 with gear 74.Handle 75 is upwards pulled, and dop 76 leaves gear, and rotating shaft can arbitrarily rotate by driven gear, and make to overturn before and after backrest, when backrest is to correct position, pressed down by handle, dop and engaged gears, position of back is fixed.

The present embodiment multi-function back seat double-purpose chair has very strong specific aim when using, mainly be applicable to the mini electric tricycle only having a driver seat as shown in Figure 2 and Figure 3, interior space is very limited, in car, battery is placed in the battery mounting of tailstock position, battery mounting shell is equipped with the fixed orifice installing headrest slide bar, this back of the body seat double-purpose chair coordinates with rear battery fixed mount, can realize a dual-purpose function.During emergent holding, in order to improve the ride quality of the personnel of taking, headrest is easily pulled up from backrest in the fixed orifice of rear insertion rear battery fixed mount, upwards pull handle, rotating shaft, gear are in free state, backrest of turning over, and backrest lies in the container cavity between battery mounting and driver seat, by lower handle to backrest positioning instant can, the auxiliary seat that now namely backrest can be used as the personnel of taking is used.The personnel back of taking can lean against on the headrest at rear portion, in order to further improve the comfort level of the personnel that take, bottom container cavity, can place a bracing frame by template activity, this bracing frame can padded backrest height, and after the personnel of taking are ridden on up, leg is placed more comfortable.

Claims (4)

1. an electro-tricycle multi-function back seat double-purpose chair, comprise seat, backrest and headrest, it is characterized in that: described seat and backrest are movably hinged through rotating mechanism, and between backrest and seat, be reserved with the gap of 5 ~ 15cm, the same straight line in backrest top is provided with two mounting holes, mounting hole internal fixtion cover has metallic sheath, metallic sheath surface is provided with negative thread again, bottom headrest, with mounting hole correspondence position, two slide bars are installed, described slide bar is provided with the outside thread matched with mounting hole negative thread, described headrest is through slide bar, mounting hole and movable backrest are installed, described rotating mechanism is: be fixed with horizontal in seat bilateral symmetry " L " shape attaching parts, the symmetrical fixing vertical of the two bottom sides of backrest " L " shape attaching parts, the connecting pin of two attaching partss is respectively arranged with axis hole, rotating shaft is fixed on vertical " L " shape attaching parts axis hole in, with horizontal " L " shape attaching parts axis hole activity install, and in rotating shaft and horizontal " L " shape attaching parts is provided with torsion spring, backrest and seat is made to launch in 180 degree and can restore, ratchet is fixed with at the shaft end of either side, car body there is handle by hinge, the side of handle is provided with dop, described dop coordinates with the helical teeth of ratchet to be installed.

2. electro-tricycle multi-function back seat double-purpose chair according to claim 1, is characterized in that: described slide bar from bottom to top, is provided with outside thread to slide bar 2/3 position, and when headrest inserts backrest mounting hole, slide bar outwards reserves 1/3.

3. electro-tricycle multi-function back seat double-purpose chair according to claim 1, is characterized in that: between described backrest and seat, preset clearance is 8 ~ 10cm.

4. the electro-tricycle multi-function back seat double-purpose chair according to any one of claim 1-3, is characterized in that: described backrest is all equal with height of seat, width.