CN108820094B - Supporting mechanism, seat and tricycle - Google Patents
Supporting mechanism, seat and tricycle Download PDFInfo
- Publication number
- CN108820094B CN108820094B CN201810867887.2A CN201810867887A CN108820094B CN 108820094 B CN108820094 B CN 108820094B CN 201810867887 A CN201810867887 A CN 201810867887A CN 108820094 B CN108820094 B CN 108820094B
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- Prior art keywords
- connecting rod
- seat
- fixing seat
- shaped sliding
- clamping
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 description 6
- 230000008602 contraction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/023—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a supporting mechanism, a seat and a tricycle, which relate to the technical field of vehicles, and the supporting mechanism comprises: the fixing seat assembly comprises a first fixing seat and a second fixing seat which are oppositely arranged, a first clamping groove is formed in the side surface of the first fixing seat, which is opposite to the second fixing seat, and a second clamping groove is formed in the side surface of the second fixing seat, which is opposite to the first fixing seat; the first connecting rod and the second connecting rod are arranged in a crossing way, and the middle part of the first connecting rod is rotationally connected with the middle part of the second connecting rod; one end of the telescopic piece is rotationally connected with the upper end of the first connecting rod, the upper end of the second connecting rod at the other end of the telescopic piece is rotationally connected, the lower end of the first connecting rod is provided with a first clamping piece, and the lower end of the second connecting rod is provided with a second clamping piece; the first clamping piece is used for being matched with the first clamping groove, and the second clamping piece is used for being matched with the second clamping groove. The supporting mechanism provided by the invention is applied to the seat, and solves the technical problem that the seat in the prior art can be disassembled and assembled only by an auxiliary tool.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a supporting mechanism, a seat and a tricycle.
Background
Because the disabled and elderly people are physically weak and inconvenient to move, there are some specially designed auxiliary vehicles on the market to help them move.
The seat and the vehicle body are made into a detachable structure so as to facilitate the block transportation of the auxiliary vehicle for special people; but current seat and automobile body all pass through bolted connection, need appurtenance just can be to the dismouting of seat.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a supporting mechanism to solve the technical problem that a seat in the prior art can be disassembled and assembled by an auxiliary tool.
In a first aspect, the present invention provides a support mechanism comprising: the support assembly and the fixing seat assembly;
the fixing seat assembly comprises a first fixing seat and a second fixing seat which are oppositely arranged, a first clamping groove is formed in the side face, opposite to the second fixing seat, of the first fixing seat, and a second clamping groove is formed in the side face, opposite to the first fixing seat, of the second fixing seat;
the support assembly includes: the telescopic device comprises a telescopic piece, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are arranged in a crossing way, and the middle part of the first connecting rod is rotationally connected with the middle part of the second connecting rod;
One end of the telescopic piece is rotationally connected with the upper end of the first connecting rod, the other end of the telescopic piece is rotationally connected with the upper end of the second connecting rod, the lower end of the first connecting rod is provided with a first clamping piece, and the lower end of the second connecting rod is provided with a second clamping piece;
the first clamping piece is used for being matched with the first clamping groove, and the second clamping piece is used for being matched with the second clamping groove;
The seat cushion is arranged above the telescopic piece.
With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein:
the telescopic piece comprises a first strip-shaped sliding part and a second strip-shaped sliding part which are arranged in parallel, and the first strip-shaped sliding part and the second strip-shaped sliding part are connected in a sliding manner along the length direction of the first strip-shaped sliding part;
One end of the first strip-shaped sliding part far away from the second strip-shaped sliding part is rotationally connected with the upper end of the first connecting rod;
one end of the second strip-shaped sliding part far away from the first strip-shaped sliding part is rotationally connected with the upper end of the second connecting rod.
With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein:
The first strip-shaped sliding part is a sliding rod, the second strip-shaped sliding part is a sleeve, and the second strip-shaped sliding part is slidably sleeved on the first strip-shaped sliding part.
With reference to the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein:
the support mechanism comprises a locking piece, and the locking piece is used for fixing the length of the telescopic piece.
With reference to the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein:
A first supporting table is arranged on one side, provided with the first clamping groove, of the first fixing seat, and the upper side surface of the first supporting table is leveled with the bottom side wall of the first clamping groove;
the side, provided with the second clamping groove, of the second fixing seat is provided with a second supporting table, and the upper side surface of the second supporting table is leveled with the bottom side wall of the second clamping groove.
With reference to the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein:
The upper part of the first connecting rod is provided with a hook;
the second fixing seat is provided with a clamping pin, and the hook is used for being clamped with the clamping pin.
Compared with the prior art, the supporting mechanism provided by the invention has the following advantages:
The supporting mechanism provided by the invention comprises: the support assembly and the fixing seat assembly; the fixing seat assembly comprises a first fixing seat and a second fixing seat which are oppositely arranged, a first clamping groove is formed in the side surface of the first fixing seat, which is opposite to the second fixing seat, and a second clamping groove is formed in the side surface of the second fixing seat, which is opposite to the first fixing seat; the support assembly includes: the telescopic piece, the first connecting rod and the second connecting rod are arranged in a crossing way, and the middle part of the first connecting rod is rotationally connected with the middle part of the second connecting rod; one end of the telescopic piece is rotationally connected with the upper end of the first connecting rod, the upper end of the second connecting rod at the other end of the telescopic piece is rotationally connected, the lower end of the first connecting rod is provided with a first clamping piece, and the lower end of the second connecting rod is provided with a second clamping piece; the first clamping piece is used for being matched with the first clamping groove, and the second clamping piece is used for being matched with the second clamping groove; the seat cushion is arranged above the telescopic piece. The upper end of the first connecting rod and the upper end of the second connecting rod are controlled to be close to each other, the telescopic piece contracts, the lower end of the first connecting rod and the lower end of the second connecting rod are close to each other, the supporting component is placed between the first fixing seat and the second fixing seat, the first clamping piece is aligned with the opening of the first clamping groove, the second clamping piece is aligned with the opening of the second clamping groove, the upper end of the first connecting rod and the upper end of the second connecting rod are controlled to be far away from each other, the lower end of the first connecting rod and the lower end of the second connecting rod are controlled to be far away from each other, the first clamping piece enters the first clamping groove, the second clamping piece enters the second clamping groove, and after a person sits on the seat cushion, the upper end of the first connecting rod and the upper end of the second connecting rod are subjected to downward pressure, so that the upper end of the first connecting rod and the upper end of the second connecting rod have a trend of being far away from each other, the lower end of the first connecting rod and the lower end of the second connecting rod are matched with the first clamping groove and the second clamping groove are respectively more firmly; when the support component and the fixing component are required to be separated, only the upper end of the first connecting rod and the upper end of the second connecting rod are required to be controlled to be close to each other, the first clamping piece is out of the first clamping groove, and the second clamping piece is out of the second clamping groove; wherein, the telescopic piece has the function of supporting the seat cushion; in the process, the supporting component is not required to be disassembled and assembled by using an auxiliary tool, so that the use of the supporting component is convenient for the weak group.
In a second aspect, the seat provided by the invention comprises a seat cushion and two groups of supporting mechanisms, wherein the supporting mechanisms are in the technical scheme, the first connecting rods of the two groups of supporting structures are oppositely arranged, and the second connecting rods of the two groups of supporting structures are oppositely arranged;
The seat cushion is arranged above the telescopic pieces of the two groups of supporting structures.
With reference to the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein:
The end of the telescopic piece is provided with a backrest, the backrest comprises a backrest base and a backrest body, and the backrest body is hinged with the backrest base so that the backrest body can be bent to one side of the seat cushion.
The seat and the supporting mechanism have the same advantages compared with the prior art, and are not repeated here.
In a third aspect, the tricycle provided by the invention comprises a tricycle body and the seat according to the technical scheme, wherein the first fixing seat and the second fixing seat in the supporting mechanism of the seat are both arranged on the tricycle body.
With reference to the third aspect, the present invention provides a first possible implementation manner of the first aspect, wherein:
The front end of the vehicle body is provided with a main traction handle, and the rear end of the vehicle body is provided with an auxiliary traction handle;
The bottom of the auxiliary traction handle is provided with an auxiliary traction wheel.
The tricycle has the same advantages as the seat in the prior art, and is not described herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a seat according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a seat according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first fixing seat in a supporting structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second fixing seat in a supporting structure according to an embodiment of the present invention;
FIG. 5 is a top view of a tricycle with a seat removed according to an embodiment of the present invention;
fig. 6 is a partial enlarged view at a in fig. 5.
Icon: 110-seating a vehicle section; 120-tail wheel; 210-main pedal area; 220-pedal area; 230-anti-toppling wheel; 311-a first fixing seat; 312-a first card slot; 313-a first pallet; 321-a second fixing seat; 322-second card slot; 323-a second pallet; 330-a first link; 340-a second link; 350-backrest; 351-a backrest mount; 352-backrest body; 360-seat cushion; 370-telescoping member; 371—a first bar-shaped sliding portion; 372-a second bar-shaped sliding portion; 380-reinforcing bars; 381-second clip; 410-handle bar; 420-steering column; 421-extension column; 422-bottom posts; 430—front wheel; 440-a hook assembly; 510-main traction handle; 610-auxiliary traction handles; 620—auxiliary traction wheels; 710-power supply; 810-girders.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The supporting mechanism provided by the embodiment of the invention comprises: the support assembly and the fixing seat assembly;
The fixing base assembly comprises a first fixing base 311 and a second fixing base 321 which are oppositely arranged, a first clamping groove 312 is formed in the side surface of the first fixing base 311, which is opposite to the side surface of the second fixing base 321, and a second clamping groove 322 is formed in the side surface of the second fixing base 321, which is opposite to the side surface of the first fixing base 311;
the support assembly includes: the telescopic piece 370, the first connecting rod 330 and the second connecting rod 340 are arranged in a crossed mode, and the middle part of the first connecting rod 330 is rotationally connected with the middle part of the second connecting rod 340;
One end of the telescopic member 370 is rotatably connected with the upper end of the first connecting rod 330, the other end of the telescopic member 370 is rotatably connected with the upper end of the second connecting rod 340, the lower end of the first connecting rod 330 is provided with a first clamping piece, and the lower end of the second connecting rod 340 is provided with a second clamping piece 381;
The first clamping piece is used for being matched with the first clamping groove 312, and the second clamping piece 381 is used for being matched with the second clamping groove 322;
The seat cushion 360 is placed above the telescoping member 370.
Further, the telescopic member 370 includes a first bar-shaped sliding portion 371 and a second bar-shaped sliding portion 372 arranged in parallel, and the first bar-shaped sliding portion 371 and the second bar-shaped sliding portion 372 are slidingly connected along a length direction of the first bar-shaped sliding portion 371;
One end of the first bar-shaped sliding portion 371, which is away from the second bar-shaped sliding portion 372, is rotatably connected to the upper end of the first link 330;
one end of the second bar-shaped sliding portion 372, which is remote from the first bar-shaped sliding portion 371, is rotatably connected to the upper end of the second link 340.
Alternatively, as shown in fig. 1, the first strip-shaped sliding portion 371 is a sliding rod, the second strip-shaped sliding portion 372 is a sleeve, and the second strip-shaped sliding portion 372 is slidably sleeved on the first strip-shaped sliding portion 371.
Alternatively, the first strip-shaped sliding portion 371 and the second strip-shaped sliding portion 372 are both slide bars; along the longitudinal direction of the second bar-shaped sliding portion 372, the first bar-shaped sliding portion 371 is slidably connected to a side surface of the second bar-shaped sliding portion 372.
Further, the support mechanism includes a locking member for fixing the length of the expansion member 370;
Because the length of the telescopic member 370 is fixed, the distance between the lower end of the first link 330 and the lower end of the second link 340 remains unchanged, and when jolting occurs, the first clamping member is not easy to separate from the first clamping groove 312, and the second clamping member 381 is not easy to separate from the second clamping groove 322.
Specifically, taking the first strip-shaped sliding portion 371 as a sliding rod and the second strip-shaped sliding portion 372 as a sleeve as an example, the locking member may be in the following form:
In the first case, the locking member is a retractable locking pin, a first through hole is formed in the first bar-shaped sliding portion 371, a plurality of second through holes are formed in the second bar-shaped sliding portion 372, when the retractable member 370 reaches a specified length, one of the second through holes is aligned with the first through hole, and the locking pin is operated to be inserted into the first through hole and the second through hole corresponding to the first through hole so as to lock the first bar-shaped sliding portion 371 and the second bar-shaped sliding portion 372;
In the second case, the locking member is a bolt, a plurality of third through holes are formed in the second bar-shaped sliding portion 372, the locking member is in threaded fit in the third through holes, and when the telescopic member 370 reaches a specified length, the locking member is rotated to penetrate through the third through holes to tightly prop against the first bar-shaped sliding portion 371, so that the first bar-shaped sliding portion 371 and the second bar-shaped sliding portion 372 are locked.
Further, a first supporting platform 313 is arranged on one side of the first fixing seat 311 provided with the first clamping groove 312, and the upper side surface of the first supporting platform 313 is leveled with the bottom side wall of the first clamping groove 312; specifically, as shown in fig. 3, the first clamping groove 312 has a U-shaped structure with a right opening, and a bottom sidewall of the first clamping groove 312 extends horizontally to the right to form an upper side of the first supporting platform 313;
The second supporting table 323 is arranged on one side of the second fixing seat 321 provided with the second clamping groove 322, and the upper side surface of the second supporting table 323 is leveled with the bottom side wall of the second clamping groove 322; specifically, as shown in fig. 4, the second clamping groove 322 has a U-shaped structure with a left opening, and a bottom sidewall of the second clamping groove 322 extends horizontally to the left to form an upper side of the second supporting platform 323;
In the process of placing the first clamping member into the first clamping groove 312 and placing the second clamping member 381 into the second clamping groove 322, the first clamping member needs to be aligned with the first clamping groove 312, and the second clamping member 381 needs to be aligned with the second clamping groove 322, which is difficult to operate; after the first supporting platform 313 and the second supporting platform 323 are arranged, the first clamping piece can be directly placed on the first supporting platform 313, the second clamping piece 381 can be directly placed on the second supporting platform 323, the distance between the first connecting rod 330 and the second connecting rod 340 is increased, the first clamping piece slides into the first clamping groove 312 along the first supporting platform 313, the second clamping piece 381 slides into the second clamping groove 322 along the second supporting platform 323, and in the process, the alignment of the first clamping piece and the first clamping groove 312 is realized through the first supporting platform 313, the alignment of the second clamping piece 381 and the second clamping groove 322 is realized through the second supporting platform 323, manual matching is not needed, and the installation efficiency of the supporting component and the fixing base component is improved.
Further, a hook is provided at an upper portion of the first link 330;
the second fixing seat 321 is provided with a clamping pin, and the hook is used for being clamped with the clamping pin;
When the upper end of the first connecting rod 330 and the lower end of the second connecting rod 340 are close, the height of the supporting mechanism is reduced, the height of the seat is reduced so as to adapt to the crowd with shorter height, the first clamping piece is matched in the first clamping groove 312, and the hook is clamped with the clamping pin, so that the first connecting rod 330 is fixed with the first fixing seat 311 and the second fixing seat 321; when the front end of the vehicle provided with the supporting structure (namely, the first fixing seat 311 and the second fixing seat 321 are fixed on the vehicle) is lifted to pull the vehicle, the hook is clamped with the clamping pin, so that the supporting mechanism is prevented from falling off from the vehicle.
Compared with the prior art, the supporting mechanism provided by the embodiment of the invention has the following advantages:
The supporting mechanism provided by the embodiment of the invention comprises: the support assembly and the fixing seat assembly; the fixing base assembly comprises a first fixing base 311 and a second fixing base 321 which are oppositely arranged, a first clamping groove 312 is formed in the side surface of the first fixing base 311, which is opposite to the side surface of the second fixing base 321, and a second clamping groove 322 is formed in the side surface of the second fixing base 321, which is opposite to the side surface of the first fixing base 311; the support assembly includes: the telescopic piece 370, the first connecting rod 330 and the second connecting rod 340 are arranged in a crossed mode, and the middle part of the first connecting rod 330 is rotationally connected with the middle part of the second connecting rod 340; one end of the telescopic member 370 is rotatably connected with the upper end of the first connecting rod 330, the other end of the telescopic member 370 is rotatably connected with the upper end of the second connecting rod 340, the lower end of the first connecting rod 330 is provided with a first clamping piece, and the lower end of the second connecting rod 340 is provided with a second clamping piece 381; the first clamping piece is used for being matched with the first clamping groove 312, and the second clamping piece 381 is used for being matched with the second clamping groove 322; the seat cushion 360 is placed over the telescoping member 370. The upper end of the first link 330 and the upper end of the second link 340 are controlled to be close to each other, the telescopic member 370 is contracted, the lower end of the first link 330 and the lower end of the second link 340 are close to each other, the supporting assembly is placed between the first fixing seat 311 and the second fixing seat 321, the first clamping member is aligned with the opening of the first clamping groove 312, the second clamping member 381 is aligned with the opening of the second clamping groove 322, the upper end of the first link 330 and the upper end of the second link 340 are controlled to be far away from each other, the lower end of the first link 330 and the lower end of the second link 340 are controlled to be far away from each other, the first clamping member enters the first clamping groove 312, the second clamping member 381 enters the second clamping groove 322, and after a person sits on the seat cushion 360, the upper end of the first link 330 and the upper end of the second link 340 are subjected to downward pressure, so that the upper end of the first link 330 and the upper end of the second link 340 have a trend of being far away from each other, the lower end of the first link 330 and the lower end of the second link 340 are more firmly matched with the first clamping groove 312 and the second clamping groove 322 respectively; when the support assembly and the fixing assembly need to be separated, only the upper end of the first link 330 and the upper end of the second link 340 need to be controlled to be close to each other, the first clamping member comes out of the first clamping groove 312, and the second clamping member 381 comes out of the second clamping groove 322; the expansion and contraction member 370 has a function for supporting the seat cushion 360; in the process, the supporting component is not required to be disassembled and assembled by using an auxiliary tool, so that the use of the supporting component is convenient for the weak group.
Example two
As shown in fig. 1 and 2:
the seat provided by the embodiment of the invention comprises a seat cushion 360 and two groups of supporting mechanisms provided by embodiment one, wherein the first connecting rods 330 of the two groups of supporting structures are oppositely arranged, and the second connecting rods 340 of the two groups of supporting structures are oppositely arranged;
the seat cushion 360 is disposed above the telescoping members 370 of the two sets of support structures.
Further, the first clamping pieces of the two groups of support structures are integrally connected rod-shaped structures so as to connect the first connecting rods 330 of the two support assemblies, thereby enhancing the overall structural stability of the seat;
The second clamping pieces 381 of the two groups of supporting structures are integrally connected rod-shaped structures;
As shown in fig. 2, a second clamping member 381 is connected to the right side of the lower end of the first link 330 of the left side support assembly, a second clamping member 381 is connected to the left side of the lower end of the first link 330 of the right side, and the two second clamping members 381 are connected to form an integral reinforcing rod 380.
Further, as shown in fig. 2, the left end of the left second clamping member 381 and the right end of the right second clamping member 381 are respectively provided with a first roller, and the first rollers can clamp the two second fixing seats 321 in the middle to prevent the second clamping member 381 from laterally moving and falling off from the second fixing seats 321, so that the seat slides off from the vehicle body; similarly, the end parts of the two first clamping pieces far away from each other are respectively provided with a second roller, and the second rollers can clamp the two first fixing seats 311 in the middle to prevent the first clamping pieces from moving laterally and falling off from the first fixing seats 311, so that the seat slides off the vehicle body; in summary, the first roller and the second roller stably fix the seat to the vehicle body. In addition, when the seat is placed on the ground, the disabled person with inconvenient movement can sit on the seat and use the foot pedal to enable the seat to slide by virtue of the first roller and the second roller, so that the disabled person can conveniently move.
Further, the end of the telescopic member 370 is provided with the backrest 350, the backrest 350 includes the backrest base 351 and the backrest body 352, and the backrest body 352 is hinged with the backrest base 351 so that the backrest body 352 can be bent to one side of the seat cushion 360, thereby storing the backrest 350 to save space when a tricycle is not required to be driven.
The seat provided by the embodiment of the invention comprises two groups of supporting mechanisms provided in the first embodiment to provide stable support for the seat cushion 360, the upper end of the first connecting rod 330 and the upper end of the second connecting rod 340 are controlled to be close to each other, the telescopic piece 370 is contracted, the lower end of the first connecting rod 330 and the lower end of the second connecting rod 340 are controlled to be close to each other, the supporting component is placed between the first fixing seat 311 and the second fixing seat 321, the first clamping piece is aligned with the opening of the first clamping groove 312, the second clamping piece 381 is aligned with the opening of the second clamping groove 322, the upper end of the first connecting rod 330 and the upper end of the second connecting rod 340 are controlled to be far away from each other, the lower end of the first connecting rod 330 and the lower end of the second connecting rod 340 are controlled to be far away from each other, the first clamping piece 381 enters the first clamping groove 312, the upper end of the first connecting rod 330 and the upper end of the second connecting rod 340 are subjected to downward pressure, and accordingly, the upper end of the first connecting rod 330 and the upper end of the second connecting rod 340 have a trend of mutually far away from each other, and the first clamping piece and the second clamping piece 340 and the first clamping piece 322 and the second clamping piece 322 are respectively firmly matched with the first clamping piece and the lower end of the connecting rod 340; when the support assembly and the fixing assembly need to be separated, only the upper end of the first link 330 and the upper end of the second link 340 need to be controlled to be close to each other, the first clamping member comes out of the first clamping groove 312, and the second clamping member 381 comes out of the second clamping groove 322; the expansion and contraction member 370 has a function for supporting the seat cushion 360; in the process, the supporting component is not required to be disassembled and assembled by using an auxiliary tool, so that the use of the supporting component is convenient for the weak group.
Example III
The tricycle provided by the embodiment of the invention comprises a tricycle body and a seat provided by the second embodiment, wherein a first fixing seat 311 and a second fixing seat 321 in a supporting mechanism of the seat are arranged on the tricycle body.
Specifically, as shown in fig. 5, the vehicle body comprises a seat-mounted vehicle section 110 and a bicycle section, wherein the bicycle section comprises a main pedal area 210, a pedal area 220 is respectively arranged at the left side and the right side of the main pedal area 210, the pedal area 220 is used for a driver to pedal, and an anti-toppling wheel 230 is arranged at the lower side of the pedal area 220; the seat-mounted vehicle section 110 is disposed at the rear side of the main pedal area 210, two first fixing seats 311 in the seat provided in the second embodiment are respectively disposed at the left and right sides of the upper rear portion of the seat-mounted vehicle section 110, two second fixing seats 321 in the seat provided in the second embodiment are respectively disposed at the left and right ends of the upper front portion of the seat-mounted vehicle section 110, and a tail wheel 120 is respectively disposed at the left and right sides of the rear portion of the seat-mounted vehicle section 110, wherein the bottom surface of the anti-toppling wheel 230 is higher than the bottom surface of the tail wheel 120 in the normal running state, when the tricycle is to topple sideways, the anti-toppling wheel 230 lands, the tricycle is prevented from toppling further, and dry friction between the pedal area 220 and the ground is prevented; a power supply 710 is arranged in the middle of the seat placement vehicle section 110;
Further, as shown in fig. 6, a steering column 420 extending in the vertical direction is provided in front of the vehicle body;
the steering column 420 comprises a bottom column 422 and an extension column 421, the bottom column 422 is rotatably connected with the vehicle body, and one end of the bottom column 422 is hinged with one end of the extension column 421 so that the extension column 421 can be bent towards the direction of the vehicle body;
The end of the bottom post 422 away from the extension post 421 is provided with a front wheel 430;
The end of the extension pole 421 far away from the bottom is provided with a handle 410;
when the tricycle is not required to be driven, the extension column 421 is dumped to the pedal area 220 direction, so that the storage volume of the tricycle is reduced, and the tricycle is convenient to carry.
Further, as shown in fig. 6, the extension pole 421 and the bottom pole 422 are detachably connected by a hook assembly 440; specifically, the hook assembly 440 includes a first hook and a second hook, the first hook is disposed on the extension column 421, the second hook is disposed on the bottom column 422, and the first hook and the second hook are hooked together, i.e. the connection between the extension column 421 and the bottom column 422 is achieved.
The main tread area 210 is connected to a bottom pole 422 through a girder 810.
Further, as shown in fig. 5, a main traction handle 510 is arranged at the front end of the vehicle body, and an auxiliary traction handle 610 is arranged at the rear end of the vehicle body;
an auxiliary traction wheel 620 is arranged at the bottom of the auxiliary traction handle 610;
The arrangement of the main traction handle 510 and the auxiliary traction handle 610 is convenient for a driver to hold the main traction handle 510 and the auxiliary traction handle 610 to carry the tricycle when the driver does not use the tricycle; or the driver holds the main traction handle 510 to leave the front wheel 430 to the ground, the tail wheel 120 is grounded, and the driver pulls the main traction handle 510 to walk, so that the displacement of the tricycle can be completed;
The tricycle provided by the embodiment of the invention, wherein the supporting mechanism comprises: the upper end of the first link 330 and the upper end of the second link 340 are controlled to be close to each other, the telescopic member 370 is contracted, the lower end of the first link 330 and the lower end of the second link 340 are close to each other, the supporting assembly is placed between the first fixing seat 311 and the second fixing seat 321, the first clamping member is aligned with the opening of the first clamping groove 312, the second clamping member 381 is aligned with the opening of the second clamping groove 322, the upper end of the first link 330 and the upper end of the second link 340 are controlled to be far away from each other, the lower end of the first link 330 and the lower end of the second link 340 are controlled to be far away from each other, the first clamping member enters the first clamping groove 312, the second clamping member 381 enters the second clamping groove 322, and after a person sits on the seat cushion 360, the upper end of the first link 330 and the upper end of the second link 340 are subjected to downward pressure, so that the upper end of the first link 330 and the upper end of the second link 340 have a trend of being far away from each other, the lower end of the first link 330 and the lower end of the second link 340 are more firmly matched with the first clamping groove 312 and the second clamping groove 322 respectively; when the support assembly and the fixing assembly need to be separated, only the upper end of the first link 330 and the upper end of the second link 340 need to be controlled to be close to each other, the first clamping member comes out of the first clamping groove 312, and the second clamping member 381 comes out of the second clamping groove 322; the expansion and contraction member 370 has a function for supporting the seat cushion 360; in the process, the supporting component is not required to be disassembled and assembled by using an auxiliary tool, so that the use of the supporting component is convenient for the weak group.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. A seat is characterized by comprising a seat cushion and two groups of supporting mechanisms,
The support mechanism includes: the support assembly and the fixing seat assembly;
the fixing seat assembly comprises a first fixing seat and a second fixing seat which are oppositely arranged, a first clamping groove is formed in the side face, opposite to the second fixing seat, of the first fixing seat, and a second clamping groove is formed in the side face, opposite to the first fixing seat, of the second fixing seat;
the support assembly includes: the telescopic device comprises a telescopic piece, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are arranged in a crossing way, and the middle part of the first connecting rod is rotationally connected with the middle part of the second connecting rod;
One end of the telescopic piece is rotationally connected with the upper end of the first connecting rod, the other end of the telescopic piece is rotationally connected with the upper end of the second connecting rod, the lower end of the first connecting rod is provided with a first clamping piece, and the lower end of the second connecting rod is provided with a second clamping piece;
the first clamping piece is used for being matched with the first clamping groove, and the second clamping piece is used for being matched with the second clamping groove;
The first connecting rods of the two groups of supporting mechanisms are oppositely arranged, and the second connecting rods of the two groups of supporting mechanisms are oppositely arranged; the seat cushion is arranged above the telescopic parts of the two groups of supporting mechanisms;
The two ends of the two groups of the supporting mechanisms, where the two first clamping pieces are far away from each other, are respectively provided with a second roller, and the ends of the two groups of the supporting mechanisms, where the two second clamping pieces are far away from each other, are respectively provided with a first roller.
2. The seat according to claim 1, wherein the telescoping member includes a first bar-shaped sliding portion and a second bar-shaped sliding portion disposed in parallel, the first bar-shaped sliding portion and the second bar-shaped sliding portion being slidably connected along a length direction of the first bar-shaped sliding portion;
One end of the first strip-shaped sliding part far away from the second strip-shaped sliding part is rotationally connected with the upper end of the first connecting rod;
one end of the second strip-shaped sliding part far away from the first strip-shaped sliding part is rotationally connected with the upper end of the second connecting rod.
3. The seat according to claim 2, wherein the first bar-shaped sliding portion is a slide bar, the second bar-shaped sliding portion is a sleeve, and the second bar-shaped sliding portion is slidably sleeved on the first bar-shaped sliding portion.
4. The seat of claim 1, wherein the support mechanism includes a locking member for securing the length of the telescoping member.
5. The seat according to claim 1, wherein a first supporting table is arranged on one side of the first fixing seat, where the first clamping groove is formed, and the upper side surface of the first supporting table is leveled with the bottom side wall of the first clamping groove;
the side, provided with the second clamping groove, of the second fixing seat is provided with a second supporting table, and the upper side surface of the second supporting table is leveled with the bottom side wall of the second clamping groove.
6. The seat according to claim 1, wherein the upper portion of the first link is provided with a hook;
the second fixing seat is provided with a clamping pin, and the hook is used for being clamped with the clamping pin.
7. The seat according to claim 1, wherein the end portion of the telescoping member is provided with a backrest, the backrest including a backrest base and a backrest body, the backrest body being hinged to the backrest base so that the backrest body can be bent toward the seat cushion side.
8. A tricycle comprising a vehicle body and a seat according to any one of claims 1 to 7, wherein a first fixing seat and a second fixing seat in a support mechanism of the seat are both provided on the vehicle body.
9. The tricycle of claim 8, wherein a main traction handle is provided at a front end of the body and an auxiliary traction handle is provided at a rear end of the body;
The bottom of the auxiliary traction handle is provided with an auxiliary traction wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867887.2A CN108820094B (en) | 2018-08-01 | 2018-08-01 | Supporting mechanism, seat and tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867887.2A CN108820094B (en) | 2018-08-01 | 2018-08-01 | Supporting mechanism, seat and tricycle |
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| Publication Number | Publication Date |
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| CN108820094A CN108820094A (en) | 2018-11-16 |
| CN108820094B true CN108820094B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810867887.2A Active CN108820094B (en) | 2018-08-01 | 2018-08-01 | Supporting mechanism, seat and tricycle |
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| CN108820094A (en) | 2018-11-16 |
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