CN104129461B

CN104129461B - Car foresteerage gear

Info

Publication number: CN104129461B
Application number: CN201410374757.7A
Authority: CN
Inventors: 尹国英; 詹映忠
Original assignee: GUANGZHOU JINHONG ELECTRICAL AND MECHANICAL TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: GUANGZHOU JINHONG ELECTRICAL AND MECHANICAL TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2014-07-31
Filing date: 2014-07-31
Publication date: 2017-04-05
Anticipated expiration: 2034-07-31
Also published as: CN104129461A

Abstract

Car foresteerage gear, including front support beam；Fix bar, the fix bar are passed through up-thrust bearing and lower thrust-bearing and are coordinated with the inwall of front support beam, and the upper end of fix bar is stretched into be formed outside front support beam and the connecting portion being connected is found with handlebar；The motion bar coordinated by axial splines positioned at fix bar bottom and with fix bar, inwall of the motion bar by a linear bearing with support beam are coordinated；Installing rack, the installing rack are fixed on the bottom of motion bar, and Herba Plantaginis wheel is articulated with installing rack；Flexible member, its be located between installing rack and front support beam and for provide one by elastic stress from front support beam to the direction top pressure away from installing rack.The present invention provides thrust power up or down using up-thrust bearing and lower thrust-bearing for fix bar, it is ensured that the stability that fix bar is installed with front support beam；Motion bar can be moved axially relative to fix bar simultaneously, and the damping of Herba Plantaginis wheel can be realized using flexible member, comfortableness is improve.

Description

Car foresteerage gear

Technical field

The present invention relates to a kind of car foresteerage gear.

Background technology

The front-wheel of traditional bicycle or electric motor car is typically installed on front fork, and the upper end of front fork is used for and handlebar Handss standpipe connects, and stem is fixed with vehicle frame, and swing handle can drive car front-wheel steer, so as to realize bicycle or electronic The steering of car, traditional this steering mechanism do not possess the effect of damping, and when actually used, which is only to rely on flexibility Tire realizing damping, therefore, its damping effect is poor, and comfortableness is relatively low.

The content of the invention

For the deficiencies in the prior art, the purpose of the present invention is intended to provide a kind of car foresteerage gear, and which not only may be used To realize the flexible rotating of handlebar, while damping effect can also be strengthened, the comfortableness of bicycle or electric motor car is improved.

For achieving the above object, the present invention is adopted the following technical scheme that：

Car foresteerage gear, including,

Front support beam；

Fix bar in front support beam, the fix bar pass through up-thrust bearing and lower thrust-bearing with front support beam Inwall coordinates, and the upper end of fix bar is stretched into be formed outside front support beam and the connecting portion being connected is found with handlebar；

The motion bar coordinated by axial splines positioned at fix bar bottom and with fix bar, the motion bar pass through a straight line Bearing is coordinated with the inwall of front support beam；

Installing rack, the installing rack are fixed on the bottom of motion bar, and Herba Plantaginis wheel is articulated with installing rack；

Flexible member, which is located between installing rack and front support beam and for providing one by front support beam to away from installation The elastic stress of the direction top pressure of frame.

The inwall of front support beam is provided with overhead gage and lower baffle plate, and a sleeve is installed between overhead gage and lower baffle plate, should Sleeve is socketed in outside motion bar, and flexible member is placed in the gap formed between sleeve and motion bar.

Flexible member is a spring, and motion bar is socketed with a stop collar near one end external stability of installing rack, and this is spacing It is enclosed within the lower outside of spring.

The upper end of fix bar is fixed with a connecting rod, and connecting portion is a bending part for being located at connecting rod upper end；Above push away The blowout patche of power bearing and lower thrust-bearing is coordinated with the inwall of connecting rod cooperation, seat ring and front support beam.

A upper limit plate and a lower limiting board are provided with the inwall of front support beam, one are connected with connecting rod and are located at the upper limit Locking nut above the plate of position, up-thrust bearing are limited between locking nut and upper limit plate；The bottom set of connecting rod The upper end of fix bar is connected on, clamp between the lower surface of a shaft shoulder, the shaft shoulder and connecting rod is provided with fix bar and is fixed with one Banking stop below lower limiting board, lower thrust-bearing are limited between banking stop and lower limiting board.

The beneficial effects of the present invention is：

In the present invention, thrust power up or down is provided for fix bar using up-thrust bearing and lower thrust-bearing, really Protect the stability that fix bar is installed with front support beam；Simultaneously because the standpipe of connection handlebar and axletree is by axially can living mutually Dynamic fix bar and motion bar composition, so as to the damping of Herba Plantaginis wheel can be realized using flexible member, improve comfortableness.

Description of the drawings

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the zoomed-in view at A in Fig. 1；

Wherein：10th, front support beam；11st, sleeve；12nd, upper limit plate；13rd, lower limiting board；14th, overhead gage；15th, lower baffle plate； 20th, installing rack；21st, fixed seat；22nd, stop collar；30th, Herba Plantaginis wheel；41st, fix bar；411st, the shaft shoulder；412nd, banking stop；413rd, lock Pin；42nd, motion bar；421st, spline；43rd, connecting rod；431st, axis part；432nd, connecting portion；433rd, locking nut；50th, lifting force Bearing；60th, lower thrust-bearing；70th, linear bearing；80th, spring.

Specific embodiment

Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：

Referring to shown in Fig. 1,2, the car foresteerage gear of the present invention include front support beam 10, fix bar 41, motion bar 42, Installing rack 20, Herba Plantaginis wheel 30 and spring 80, wherein, fix bar 41 is located inside front support beam 10, and its upper end passes through an edge The lock pin 413 of radial direction is fixed with a connecting rod 43, and the upper end of the connecting rod 43 is stretched out outside the upper end of front support beam 10, is formed One is found fixed connecting portion 432 with handlebar, in order that vehicle meets base of principle of human engineering, above-mentioned connecting portion 432 can be with It is to be formed by 43 top bending of connecting rod.The axis part 431 of 43 bottom of connecting rod extends through above-mentioned lock along short transverse Pin 413 is fixedly connected with the upper end of fix bar 41；Connecting rod 43 passes through up-thrust bearing 50 and lower thrust-bearing 60 with front The inwall of support beam 10 coordinates, and so as to realize that the axial direction to fix bar 41 supports or thrust, and guarantees that fix bar 41 can be free Rotate, above-mentioned connecting rod 43 adopts split type structure with fix bar 41, in order to simplify installation process, certainly, is not examining In the case of considering simple installation, above-mentioned connecting rod 43 and fix bar 41 can adopt integrative-structure.In concrete installation, above push away The blowout patche of power bearing 50 and lower thrust-bearing 60 and connecting rod 43 coordinate, the inwall of seat ring and front support beam 10 coordinates, thrust axis The blowout patche that holds, seat ring with corresponding pivot structure part with prior art is combined into, do not illustrate here, however, with it is existing Have unlike technology, the present invention adopts up-thrust bearing 50 and lower thrust-bearing 60 to realize that fix bar is spacing concrete about 41 Structure,

A upper limit plate 12 and a lower limiting board 13 are provided with the inwall of front support beam 10, are connected with connecting rod 43 One is located at the locking nut 433 above upper limit plate 12, and up-thrust bearing 50 is limited at locking nut 433 and upper limit plate 12 Between, thus, when pushing connecting rod 43, pressure is passed on upper limit plate 12 by up-thrust bearing 50, upper limit plate 12 Reverse top pressure up-thrust bearing 50, so as to form the thrust power to connecting rod 43 and fix bar 41 upwards；Under connecting rod 43 End is socketed in the upper end of fix bar 41, and the lower end of a shaft shoulder 411, the shaft shoulder 411 and connecting rod 43 is provided with fix bar 41 Between face, clamp is fixed with a banking stop 412 being located at below lower limiting board 13, and lower thrust-bearing 60 is limited at banking stop 412 And lower limiting board 13 between, thus, when connecting rod 43 is lifted upwards, power is passed to lower limiting board by lower thrust-bearing 60 On 13,13 reverse top pressure lower thrust-bearing 60 of lower limiting board, so as to form the thrust downward to connecting rod 43 and fix bar 41 Power.In said structure, for limit up-thrust bearing 50 and lower thrust-bearing 60 upper limit plate 12 and lower limiting board 13 not The platy structure being arranged in front support beam 10 is only limitted to, which can also be that others can play the structure of restriction effect.

Motion bar 42 is equally placed in inside front support beam 10, and which is located at the bottom of fix bar 41,42 sets of the motion bar Outside fix bar 41, coordinated by axial splines 421 both which, so that it is guaranteed that both which can synchronous axial system while can Slide axially, it is of course also possible to be to be enclosed within motion bar 42, in a word fix bar 41, being capable of synchronous axial system and axle both which To slip.Inwall of the motion bar 42 by a linear bearing 70 with front support beam 10 coordinates, it is ensured that motion bar 42 can be just The normal short transverse along front support beam 10 moves up and down, and beat will not occur.

A fixed seat 21 is provided with installing rack 20, the bottom of motion bar 42 passes front support beam 10 and is fixed on fixation On seat 21, Herba Plantaginis wheel 30 is articulated on installing rack 20, and spring 80 is placed between the fixed seat 21 of installing rack 20 and front support beam 10, It is used for provide one by front support beam 10 away from the direction top pressure of installing rack 20 elastic stress, particularly, front The inwall of support beam 10 is provided with overhead gage 14 and lower baffle plate 15, and a sleeve 11 is installed between overhead gage 14 and lower baffle plate 15, should Sleeve 11 is socketed on the outside of motion bar 42, and the internal diameter of sleeve 11 more than the external diameter of motion bar 42, therefore, in sleeve 11 and work An installation gap is formed between lever 42, above-mentioned spring 80 is enclosed within outside motion bar 42 and is located at installs inner space, should Spring 80 is limited between the upper end of fixed seat 21 and sleeve 11, that is to say, that the upper free ends of spring 80 are remained That is, the elastic stress of the top pressure upwards of sleeve 11 is kept the elastic stress of the top pressure upwards of front support beam 10；In motion bar 42 Bottom is socketed with a stop collar 22, and the stop collar 22 is that the bottom by radial direction pin with motion bar 42 is fixed, that is, limit Position set 22 is fixed with fixed seat 21, and stop collar 22 is enclosed within the outside of spring 80, it is to avoid spring 80 occurs beat when pressurized.

At this point, it should be noted that the spring 80 of the present invention can also be substituted using other flexible members, for example may be used Being elastic blob of viscose etc..

In the present invention, it is that fix bar 41 provides thrust up or down using up-thrust bearing 50 and lower thrust-bearing 60 Power, it is ensured that the stability that fix bar 41 is installed with front support beam 10；Simultaneously because the standpipe of connection handlebar and axletree is by mutual Fix bar 41 and motion bar 42 that mutually can be axially movable be constituted, so as to the damping of Herba Plantaginis wheel 30 can be realized using flexible member, Improve comfortableness.

It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims

1. car foresteerage gear, it is characterised in that include,

Front support beam；

Fix bar in front support beam, the fix bar pass through the inwall of up-thrust bearing and lower thrust-bearing and front support beam Coordinate, the upper end of fix bar is stretched into be formed outside front support beam and the connecting portion being connected is found with handlebar；The upper end of fix bar is solid Surely there is a connecting rod, connecting rod is split type structure with fix bar, and connecting portion is a bending part for being located at connecting rod upper end； The blowout patche of up-thrust bearing and lower thrust-bearing is coordinated with the inwall of connecting rod cooperation, seat ring and front support beam；Front support beam A upper limit plate and a lower limiting board are provided with inwall, a locking screw being located above upper limit plate in connecting rod, is connected with Mother, up-thrust bearing are limited between locking nut and upper limit plate；The bottom of connecting rod is socketed in the upper end of fix bar Portion, be provided with fix bar clamp between the lower surface of a shaft shoulder, the shaft shoulder and connecting rod be fixed with one be located at lower limiting board below Banking stop, lower thrust-bearing is limited between banking stop and lower limiting board；

The motion bar coordinated by axial splines positioned at fix bar bottom and with fix bar, the motion bar pass through a linear bearing Coordinate with the inwall of front support beam；

Flexible member, which is located between installing rack and front support beam and for providing one by front support beam to away from installing rack The elastic stress of direction top pressure.

2. car foresteerage gear as claimed in claim 1, it is characterised in that the inwall of front support beam be provided with overhead gage and Lower baffle plate, is installed with a sleeve between overhead gage and lower baffle plate, the sleeve is socketed in outside motion bar, and flexible member is placed in set In the gap formed between cylinder and motion bar.

3. car foresteerage gear as claimed in claim 2, it is characterised in that flexible member is a spring, motion bar is close One end external stability of installing rack is socketed with a stop collar, and the stop collar is enclosed within the lower outside of spring.