CN213921344U

CN213921344U - Small and attractive high-stability bottom fork for tricycle

Info

Publication number: CN213921344U
Application number: CN202023218109.2U
Authority: CN
Inventors: 蒋文伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-10
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a small and exquisite pleasing to the eye and high stability's chain stay for tricycle relates to tricycle chain stay technical field, and it includes the main shaft, the equal fixedly connected with connecting plate in both ends about the side on the main shaft. This small and exquisite pleasing to the eye and high stability's chain stay for tricycle, through the main shaft, the connecting plate, the connecting rod, the fixed axle, the connecting cylinder, the joint spare, the link, the fender mounting hole, even axle one, even axle two, the spliced pole, even axle three, the bolt head, the convex piece, movable sleeve one, bearing housing one, movable sleeve two, a fixed cylinder, the stopper, the stop collar, the nut, the dwang, the dead lever, supplementary pad and bearing housing two guarantee to use the device's tricycle operation stable, the device structure is small and exquisite pleasing to the eye simultaneously, thereby solved the equal great inconvenient use of chain stay volume for current tricycle and the relatively poor and then use for the user of stability has brought certain inconvenient problem in the use.

Description

Small and attractive high-stability bottom fork for tricycle

Technical Field

The utility model relates to a tricycle chain stay technical field specifically is a small and exquisite just high stability's chain stay for tricycle.

Background

The tricycle is a transportation tool with three wheels, is formed by modifying a bicycle, can carry people and can also carry goods, is very popular after the 30 th ages in the 20 th century, gradually replaces the status of a rickshaw, is a combination of the rickshaw and the bicycle, can be divided into the rickshaw, an electric tricycle, a child tricycle, a storage battery and the like, is a U-shaped flat fork which is a movable part for fixing the rear wheels of the tricycle and is similar to a fork, so that the tricycle is called a flat fork or a rear flat fork, but the existing flat fork for the tricycle is large in size, inconvenient to use and poor in stability in the using process, further brings certain inconvenience to users, and therefore the flat fork for the tricycle is small, attractive and high in stability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a small and exquisite pleasing to the eye and high stability's chain stay for tricycle has solved the equal great inconvenient use of chain stay volume for the tricycle now and stability is relatively poor and then has brought certain inconvenient problem for user's use in the use.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: a small, attractive and high-stability bottom fork for a tricycle comprises a main shaft, wherein the left end and the right end of the upper side surface of the main shaft are fixedly connected with connecting plates, two connecting plates are fixedly connected with connecting rods on opposite surfaces of the connecting plates, a fixed shaft is fixedly connected to the center of the upper side surface of the connecting rods, the upper end of the fixed shaft penetrates through a connecting cylinder, a first bearing sleeve and two convex pieces and is movably connected with an auxiliary pad, the connecting cylinder is fixedly connected with the fixed shaft, the outer side surface of the connecting cylinder is fixedly connected with the center of the fixed shaft, the fixed shaft is fixedly connected to the upper side surfaces of the two connecting rods, an inner ring of the first bearing sleeve is fixedly connected with the outer side surface of the fixed shaft, the outer side surface of the bearing sleeve is fixedly connected to the outer side surface of the rotating rod at the left end and the right end of the rotating rod, a second inner ring of the bearing sleeve is fixedly connected with a second connecting shaft, the upper end and the lower end of the second connecting shaft are respectively and movably connected with the upper end and the lower end of the inner part of the two connecting frames, the upper end and the lower end of the inner part of the front side of the two connecting frames are movably connected with an upper end and a lower end of a connecting shaft I, the two connecting shaft I are movably connected with a movable sleeve II and fixedly connected with a limiting sleeve from top to bottom, the rear ends of the two limiting sleeves are movably connected with limiting blocks, the two limiting blocks are respectively and fixedly connected with the left end and the right end of the front side of a rotating rod, the two opposite ends of the movable sleeve are respectively and fixedly connected with the back ends of two connecting columns, the opposite ends of the two connecting columns are respectively and fixedly connected with the left side and the right side of the movable sleeve I, the movable sleeve I is movably connected with a connecting shaft III, the upper end of the connecting shaft III is movably connected with the lower end of an upper convex sheet, the lower end of the connecting shaft III penetrates through a lower convex sheet to be arranged at the lower end of the lower convex sheet, the two convex sheets are respectively and fixedly connected on a fixed shaft, the upper end of the convex sheet is provided with a pull ring, the pull ring is fixedly connected with the upper side of a pin shaft, the hinge pin lower extreme passes the movable hole setting of seting up on two convex pieces between two stoppers, the position that the hinge pin set up between two convex pieces has cup jointed the spring, spring upper end fixed connection is on upper end convex piece downside, spring lower extreme fixed connection blocks on two, two block the equal fixed connection of piece and sell epaxially, equal fixedly connected with cardboard on the position that the hinge pin lower extreme corresponds two and blocks the piece, two the cardboard is kept away from the end and is respectively with two stopper opposite face swing joint.

Preferably, the left end and the right end of the front side face of the fixing rod are fixedly connected with clamping pieces, and the front side face of the connecting frame is fixedly connected with a fender mounting hole.

Preferably, the upper ends of the first connecting shaft and the second connecting shaft are movably connected with the upper end of the connecting frame through bolt heads, the lower ends of the first connecting shaft and the second connecting shaft are movably connected with the lower end of the connecting frame through nuts, the upper end of the third connecting shaft is movably connected with the convex sheet at the upper end through another bolt head, and the lower end of the third connecting shaft is movably connected with another nut.

Preferably, the upper end of the auxiliary pad on the upper side is provided with a corresponding bolt head, and the limiting sleeve is made of elastic rubber.

Preferably, two equal fixedly connected with fixed cylinder in link back looks rear end, two the two lower extremes of even axle all are provided with other auxiliary pad, other two auxiliary pads respectively with two bearing housing and two link inside opposite face swing joint of lower extreme.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this small and exquisite pleasing to the eye and high stability's chain stay for tricycle, through the main shaft, two connecting plates, the connecting rod, joint spare and dead lever are fixed the device on the front end single wheel suitable position of tricycle with a part, then through two links, fender mounting hole and fixed cylinder are with another part fixed connection of the device on the tricycle rear end double round suitable position, and the device passes through the main shaft, the connecting plate, the connecting rod, the fixed axle, the link, the joint spare, the link, the fender mounting hole, link axle one, link axle two, the spliced pole, link axle three, the bolt head, the convex piece, movable sleeve one, bearing housing one, movable sleeve two, the fixed cylinder, the stopper, the stop collar, the nut, the dwang, the dead lever, supplementary pad and bearing housing two guarantee that the tricycle that uses the device operates stably, simultaneously the device small and exquisite pleasing to the eye, thereby solved the big inconvenient use of the chain stay volume all for tricycle and stability in the use of current tricycle and the device is small and exquisite pleasing to the eye, simultaneously, thereby the device is used stability is all great in the volume Is poor and brings certain inconvenience to the use of the user.

2. This small and exquisite pleasing to the eye and high stability's chain stay for tricycle, make two cardboards and dwang separation through pull ring reversal round pin axle, later utilize the elasticity of spring and block piece with two cardboard downstream and two stopper swing joint, and then the rigidity through two convex pieces and fixed axle is with dwang relatively fixed, and then avoid the tricycle to appear swaing, and can not destroy the original structural functionality of the device, when needs tricycle appears swaing and amusement, then can pass through the pull ring once more, the round pin axle, spring and block piece with cardboard and dwang upper end swing joint, and then make two cardboards block the piece separation with two tricycles, and then convert jolt of the in-process of riding into and sway, and then the tricycle person of riding has brought the enjoyment of swaing, thereby further improvement the functional practicality of the device.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of the present invention;

fig. 2 is a schematic view of a second three-dimensional structure of the present invention;

fig. 3 is a schematic view of a third three-dimensional structure of the present invention.

In the figure: the fender comprises a main shaft 1, a connecting plate 2, a connecting rod 3, a fixing shaft 4, a connecting cylinder 5, a clamping piece 6, a connecting frame 7, a fender mounting hole 8, a first connecting shaft 9, a second connecting shaft 10, a connecting column 11, a third connecting shaft 12, a bolt head 13, a convex sheet 14, a first movable sleeve 15, a first bearing sleeve 16, a second movable sleeve 17, a fixed cylinder 18, a limiting block 19, a limiting sleeve 20, a nut 21, a rotating rod 22, a fixed rod 23, an auxiliary pad 24, a second bearing sleeve 25, a pull ring 26, a pin shaft 27, a spring 28, a stop block 29 and a clamping plate 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a small, attractive and high-stability bottom fork for a tricycle comprises a main shaft 1, wherein the left end and the right end of the upper side of the main shaft 1 are fixedly connected with connecting plates 2, the opposite surfaces of the two connecting plates 2 are fixedly connected with connecting rods 3, the connecting plates 2 are used for connecting the main shaft 1, the connecting rods 3 and fixing rods 23, and further ensuring the small and attractive structure of the device, a fixing shaft 4 is fixedly connected to the center of the upper side of each connecting rod 3, the upper end of each fixing shaft 4 penetrates through a connecting cylinder 5, a bearing sleeve I16 and two convex sheets 14 to be movably connected with an auxiliary pad 24, the connecting cylinder 5 is fixedly connected with the fixing shaft 4, the outer side of the connecting cylinder 5 is fixedly connected to the center of each fixing rod 23, the fixing rods 23 are fixedly connected to the upper sides of the two connecting rods 3, the inner ring of the bearing sleeve I16 is fixedly connected with the outer side of the fixing shaft 4, and the bearing sleeve I16 is arranged to ensure the rotation functionality of a rotating rod 22, the outer side surface of a bearing sleeve I16 is fixedly connected to a rotating rod 22, the left end and the right end of the rotating rod 22 are fixedly connected with the outer side surface of a bearing sleeve II 25, the inner ring of the bearing sleeve II 25 is fixedly connected with a connecting shaft II 10, the upper end and the lower end of the connecting shaft II 10 are respectively and movably connected with the upper end and the lower end of the inner part of two connecting frames 7, the upper end and the lower end of the inner part of the front side of the two connecting frames 7 are respectively and movably connected with the upper end and the lower end of a connecting shaft I9, the connecting shaft I9 is respectively and movably connected with a movable sleeve II 17 and a limiting sleeve 20 from top to bottom, the rear ends of the two limiting sleeves 20 are respectively and movably connected with limiting blocks 19, the two limiting blocks 19 are respectively and fixedly connected with the left end and the right end of the front side surface of the rotating rod 22, the opposite ends of the two movable sleeve II 17 are respectively and fixedly connected with the opposite ends of two connecting columns 11, the opposite ends of the two connecting columns 11 are respectively and fixedly connected on the left side surface and the right side surface of the movable sleeve I15, the connecting columns 11 are arranged for linking the two connecting frames 7, further ensuring the structural functionality of the device, the movable sleeve I15 is movably connected on the connecting shaft III 12, the upper end of the connecting shaft III 12 is movably connected at the lower end of the upper convex sheet 14, the lower end of the connecting shaft III 12 passes through the lower convex sheet 14 and is arranged at the lower end of the lower convex sheet 14, the two convex sheets 14 are both fixedly connected on the fixed shaft 4, the upper end of the convex sheet 14 is provided with a pull ring 26, the pull ring 26 is fixedly connected on the upper side surface of a pin shaft 27, the lower end of the pin shaft 27 passes through a movable hole formed in the two convex sheets 14 and is arranged between the two limit blocks 19, the position of the pin shaft 27 between the two convex sheets 14 is sleeved with a spring 28, the upper end of the spring 28 is fixedly connected on the lower side surface of the upper convex sheet 14, the lower end of the spring 28 is fixedly connected on the two stop blocks 29, the two stop blocks 29 are both fixedly connected on the pin shaft 27, and a clamping plate 30 is fixedly connected at the position of the lower end of the pin shaft 27 corresponding to the two stop blocks 29, the far ends of the two clamping plates 30 are movably connected with the opposite surfaces of the two limit blocks 19 respectively.

The equal fixedly connected with joint 6 in both ends about dead lever 23 leading flank, equal fixedly connected with fender mounting hole 8 on two link 7 leading flanks, its purpose in order to guarantee the device with the convenient connectivity of tricycle fender, and then guarantee the device's structural functionality.

Two link axle one 9 and two link axle two 10 upper ends all through bolt head 13 and link 7 upper end swing joint, two link axle one 9 and two link axle two 10 lower extremes all through nut 21 and link 7 lower extreme swing joint, link three 12 upper ends and upper end convex piece 14 through another bolt head 13 swing joint, link three 12 lower extreme swing joint of axle has another nut 21, its purpose is in order to guarantee the connection stability of the device, and guaranteed the small and exquisite aesthetic property of the structure of the device to a certain extent, and then guarantee the structural functionality of the device.

The upper end of the upper auxiliary pad 24 is provided with a corresponding bolt head 13, and the stop collar 20 is made of elastic rubber, so as to ensure the connection functionality of the device and the functional practicability of the device.

Two connecting frames 7 equal fixedly connected with solid fixed cylinder 18 in back of the looks back, two 10 lower extremes of even axle all are provided with other auxiliary pad 24, and two other auxiliary pads 24 respectively with two bearing housing and two connecting frames 7 inside opposite face swing joint of lower extreme, its purpose in order to guarantee the position relative stability of two 10 of even axle, and then guarantee the device's structural functionality.

The utility model discloses an operating procedure does:

when the device is used, firstly, one part of the device is fixed to a proper position of a front end single wheel of a tricycle through the main shaft 1, the two connecting plates 2, the connecting rod 3, the clamping piece 6 and the fixing rod 23, then the other part of the device is fixedly connected to a proper position of a rear end double wheel of the tricycle through the two connecting frames 7 and the fixing barrel 18, meanwhile, a fender of the tricycle is installed through a fender installing hole 8, when the device is actually used by the tricycle, the pin shaft 27 is pulled through the pull ring 26 to drive the two blocking blocks 29 to overcome the elastic force of the spring 28 to move upwards, the two clamping plates 30 are driven to move upwards through the pin shaft 27, the two clamping plates 30 are driven to be lapped on the rotating rod 22 through the rotating pin shaft 27, and then any one end of the rear end double wheels of the tricycle is blocked or the tricycle is lifted to turn, the corresponding connecting frame 7 is driven to rotate, and the connecting shafts I9 and II are connected, Two movable sleeves II 17, a connecting column 11, a movable sleeve I15, a fixed shaft 4, a corresponding auxiliary cushion 24, two convex sheets 14, a connecting shaft III 12 and a connecting shaft II 10 drive another connecting frame 7 to rotate, a rotating rod 22 rotates under the support of the bearing sleeve I16 and the fixed shaft 4 through the two connecting shaft II 10, the two bearing sleeves II 25 and the two corresponding auxiliary cushions 24, when the rotating rod 22 drives the corresponding device to rotate, the tricycle using the device is ensured to run stably by matching with the two limiting sleeves 20 and the two limiting blocks 19, and can also be driven to swing to a certain extent, so that certain swinging pleasure is brought to tricycle users, when the tricycle does not need to swing, the two clamping plates 30 can be separated from the rotating rod 22 through the pull ring 26 to reversely rotate the pin shaft 27, and then the two clamping plates 30 are moved downwards to be movably connected with the two limiting blocks 19 by utilizing the elasticity of the spring 28 and the blocking block 29, and then through the fixed position of two convex pieces 14 and fixed axle 4 with dwang 22 relatively fixed, and then avoid the tricycle to appear swaing, can not destroy the functional of above-mentioned structure moreover, the device structure is small and exquisite pleasing to the eye simultaneously, and then has guaranteed the functional practicality of the device.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a small and exquisite pleasing to the eye and high stability's chain stay for tricycle, includes main shaft (1), its characterized in that: the connecting plates (2) are fixedly connected to the left end and the right end of the upper side of the main shaft (1), the connecting plates (2) are fixedly connected to the opposite surfaces of the connecting plates (3), a fixed shaft (4) is fixedly connected to the center of the upper side of the connecting rod (3), the upper end of the fixed shaft (4) penetrates through the connecting cylinder (5), the first bearing sleeve (16) and the two convex sheets (14) and is movably connected with the auxiliary pad (24), the connecting cylinder (5) is fixedly connected with the fixed shaft (4), the outer side of the connecting cylinder (5) is fixedly connected to the center of the fixed rod (23), the fixed rod (23) is fixedly connected to the upper sides of the two connecting rods (3), the inner ring of the first bearing sleeve (16) is fixedly connected with the outer side of the fixed shaft (4), the outer side of the first bearing sleeve (16) is fixedly connected to the rotating rod (22), and the outer sides of the second bearing sleeve (25) are fixedly connected to the left end and the right end of the rotating rod (22), two bearing sleeve two (25) inner circle equal fixedly connected with link axle two (10), two link axle two (10) upper and lower both ends are equallyd divide respectively swing joint have two link (7) inside upper and lower both ends, two link axle one (9) upper and lower both ends of the inside upper and lower both ends of link (7) front side, two link axle one (9) all from the top down swing joint have movable sleeve two (17) and fixedly connected with stop collar (20), two stop collar (20) rear end equal swing joint has stopper (19), two stopper (19) respectively fixed connection in dwang (22) front side left and right sides both ends, two relative end of movable sleeve two (17) respectively fixed connection have the end of carrying on the back of two spliced poles (11), two relative end of spliced pole (11) respectively fixed connection on the left and right sides of movable sleeve one (15), the utility model discloses a movable sleeve (15) swing joint is on linking a third (12), link three (12) upper end swing joint at upside convex piece (14) lower extreme, link three (12) lower extremes and pass downside convex piece (14) and set up at downside convex piece (14) lower extreme, two equal fixed connection of convex piece (14) is on fixed axle (4), convex piece (14) upper end is provided with pull ring (26), pull ring (26) fixed connection is on round pin axle (27) upper flank, round pin axle (27) lower extreme passes the movable hole setting of seting up on two convex pieces (14) between two stopper (19), round pin axle (27) set up the position between two convex pieces (14) and has cup jointed spring (28), spring (28) upper end fixed connection is on upper end convex piece (14) downside, spring (28) lower extreme fixed connection is on two block piece (29), two stop block (29) equal fixed connection on round pin axle (27), equal fixedly connected with cardboard (30) in the position that round pin axle (27) lower extreme corresponds two stop block (29), two cardboard (30) keep away from the end respectively with two stopper (19) opposite face swing joint.

2. The bottom fork for a tricycle, according to claim 1, which is small, beautiful and highly stable, wherein: both ends are equal fixedly connected with joint spare (6), two about dead lever (23) leading flank all fixedly connected with fender mounting hole (8) on link (7) leading flank.

3. The bottom fork for a tricycle, according to claim 1, which is small, beautiful and highly stable, wherein: two link axle one (9) and two link axle two (10) upper ends all pass through bolt head (13) and link (7) upper end swing joint, two link axle one (9) and two link axle two (10) lower extremes all pass through nut (21) and link (7) lower extreme swing joint, link three (12) upper ends and upper end convex piece (14) through another bolt head (13) swing joint, link three (12) lower extreme swing joint has another nut (21).

4. The bottom fork for a tricycle, according to claim 1, which is small, beautiful and highly stable, wherein: the upper end of the auxiliary pad (24) on the upper side is provided with a corresponding bolt head (13), and the limiting sleeve (20) is made of elastic rubber.

5. The bottom fork for a tricycle, according to claim 1, which is small, beautiful and highly stable, wherein: two equal fixedly connected with fixed cylinder (18) in link (7) back rear end mutually, two link two (10) lower extreme all is provided with other auxiliary pad (24), other two auxiliary pad (24) respectively with two bearing housing and two link (7) lower extreme inside opposite face swing joint.