CN109421784A - Fore-and-aft control bar steering mechanism - Google Patents

Abstract

A kind of fore-and-aft control bar steering mechanism, control stick are mounted on driver's seat two sides, realize Vehicular turn by longitudinal movement control stick, change use direction disk and turn to the steering mode of handle, occupy little space, enclosed cabin is easy.Two control sticks are located at driver's seat two sides, facilitate operation.Control stick bottom end tines portion can move up and down in vertical direction, it separated with driving rack, engage two states, when the operating lever operation of side, control stick bottom end tines portion is engaged with rack, the control stick bottom end tines portion of the other side can be detached from rack gear, it will not be slid back and forth with steering system, realize single actuating lever steer direction.Steering mechanism's structure is simple, facilitates operation, is suitable for lilliput car.

Description

Fore-and-aft control bar steering mechanism

Technical field

Vehicle, which is run, be unable to do without steering control system, and the design of steering control system can be because of car body weight, car body size, vehicle The difference of function, design feature also can different from.Lilliput car steering mechanism small for car body, light-weight can be simpler Clean, easy manipulation.

Background technique

Very widely used today two-wheeled, three-wheeled electric vehicle belong to lilliput car, and the steering system of use is divided into steering handle With two kinds of modes of operation of steering wheel.Steering handle, the steering wheel of vehicle are designed in driver front position, are occupied above wheel The useful space also causes difficulty to the space-closed of driver's cabin.

Summary of the invention

It is an object of that present invention to provide a kind of steering system, steering system structural is simple, easy to operate, turning operation method Be: the double-deck slideway by control stick along vehicle body longitudinal direction is pushed away, is drawn, and is moved forward and backward, meanwhile, control stick is engaged on the rack gear of longitudinal movement On, rack drives tie rod linkage realizes the course changing control to wheel.

The present invention is made of three parts: first is that the double-deck slideway shelf, is separately mounted to driver's seat two sides；Second is that two behaviour Vertical pole is respectively embedded into the slideway on the slideway shelf of two sides；Third is that the steering gear unit being made of rack gear and tie rod linkage.

For the purpose that realization steering system structural is simple and convenient to operate, solution of the invention is: longitudinal behaviour The control stick of vertical pole steering mechanism is mounted on the slideway of driver's seat two sides, facilitates operation；With the tooth of control stick dynamic engagement Directly with hinge links, structure is simple for item and tie rod linkage.

The present invention program further include: first is that manipulation rod structure radially divides three layers of cylinder, middle layer sleeve and outer layer sleeve and inner cylinder Between can slide vertical direction is opposite, inner cylinder and outer layer sleeve be fixed by a horizontal screw bar, cannot opposite sliding, it is interior Cylinder protrudes from control stick top, and outer layer sleeve plays fixed function vertical, in horizontal direction, and middle layer sleeve is needed according to operation Vertical direction is slided above and below, realize with rack gear engage and disengaging.Second is that having slideway shelf respectively in driver's seat two sides, each Upper and lower two slideways are housed on slideway shelf, lower layer's slideway is straight, and upper layer slideway is bent upwards in the initial position upper rail of control stick, It pops up the middle layer sleeve of control stick by spring in initial position, is detached from rack gear.When steering operation, pass through the shifting of control stick Dynamic, reclinate slideway upper rail depresses the middle layer sleeve of control stick to come, and bottom end pointed tooth is engaged with rack.Third is that two sides are grasped Two states are engaged and are detached between vertical pole and rack gear, and when the operating lever operation of side, the control stick of the other side can be detached from Rack gear will not slide back and forth with steering system, realize single actuating lever steer direction.

Top cannot be engaged to avoid control stick bottom end pointed tooth and rack tooth vertically, bottom end pointed tooth is by sharp core, arc shaft Hole, sharp sheath, four part composition of sharp sheath axis, sharp sheath pass through sharp sheath axis and sharp core Dynamic link library, and arc shaft hole machined is on sharp core.? Control stick bottom end pointed tooth and rack tooth vertically to top in the case of, as control stick moves down, control stick bottom end pointed tooth touches rack gear After tooth, sharp sheath and sharp sheath axis move up simultaneously, and the oblique movement in arc axis hole of sharp sheath axis avoids sharp sheath vertical with rack tooth right Top.

The advantages of this invention is: 1, this control stick steering mechanism manipulates simple in circuits, and stick position, which is in, to be driven Member's comfortable position, convenient for operation.2, the control stick of this control stick steering mechanism is located at driver at one's side, occupies little space, is easy to Cab space is closed.

Detailed description of the invention:

Fig. 1 is slideway shelf, slideway, stick position figure, and Fig. 2 is steer drive figure, and Fig. 3 is control stick structure chart.

Specific embodiment

With reference to the accompanying drawings and examples, the invention will be further described.

The present invention carries out steering operation to vehicle by control stick 5.Control stick 5 is sliding in preset upper layer slideway 3 and lower layer It is moved in road 4, upper and lower layer slideway is mounted on slideway shelf 2, and slideway shelf 2 is mounted on 1 two sides of driver's seat.5 bottom end of control stick point Tooth 13 is engaged with rack gear 6, and control stick 5 is longitudinal to be moved forward and backward drive rack 6, drives steering mechanism 7.To enable control stick 5 in water It square moves to stablizing, the present invention is provided with upper layer slideway 3 and lower layer's slideway 4, single positioning pulley 14 of control stick and double positioning Pulley 15 moves in upper and lower two slideway respectively.

In order to keep left and right control stick 5 individually operated, while avoiding another following in the control stick of non-operating state Steering system is mobile, and control stick bottom end pointed tooth 13 can be moved up and down according to the needs of operation, realizes point of pointed tooth 13 and rack gear 6 From with engage.For this purpose, control stick is made of outer layer sleeve 9, middle layer sleeve 10 and inner cylinder 11.Outer layer sleeve 9 with Double positioning pulleys 15 are fixed together, and stablize control stick horizontal direction；Middle layer sleeve 10, bottom end pointed tooth 13, single positioning pulley 14, handle 18 is fixed together, and is connect with spring 16 with outer layer sleeve 9, spring 16 pops up trend to middle layer sleeve 10； Inner cylinder 11 is fixedly connected in the center of control stick, the bottom screw rod 12 of inner cylinder 11 with outer layer sleeve 9, and the upper end of inner cylinder 11 passes through Handle 18 exposes screw thread 17, and screw thread 17 and cap nut 19 cooperate.

Manipulation bar 5 turns to, and moves down bottom end pointed tooth 13 and engage with rack gear 6.Make middle layer sleeve 10, bottom end point Tooth 13 is moved down there are three types of mode: first is that directly pushing handle 18 with hand；Second is that direct mobile operating bar 5, single positioning pulley 14 exists The center initial position of upper layer slideway 3, under under the compressing of curved slideway 20, bottom end pointed tooth 13 is moved down；Third is that cap nut 19 is screwed off, Driving handle 18 moves down bottom end pointed tooth 13, engages for a long time with rack gear.

Top cannot be engaged to avoid control stick bottom end pointed tooth 13 and rack tooth 6 vertically, bottom end pointed tooth 13 by: sharp core 21, Arc axis hole 23, sharp sheath 22,24 4 part composition of sharp sheath axis, sharp sheath 22 pass through sharp sheath axis 24 and 21 Dynamic link library of sharp core, arc Axis hole 23 is processed on sharp core 21.In control stick bottom end pointed tooth 13 and rack tooth 6 vertically to top in the case of, under control stick It moves, after control stick bottom end pointed tooth 13 touches rack tooth 6, sharp sheath 22 and sharp sheath axis 24 move up simultaneously, and sharp sheath axis 24 is in arc axis hole Oblique movement in 23 avoids sharp sheath 22 vertical with rack tooth 6 to top.

To make steering system be typically located at straight-going state, it is provided with return spring 8.

Claims (3)

1. a kind of fore-and-aft control bar steering mechanism, including slideway shelf (2), sliding way (3), glide path (4) control stick (5), Dan Ding Position pulley (14), double positioning pulleys (15) and driving rack (6), it is characterised in that: slideway shelf (2) is fixed on driver's seat (1) Two sides, control stick (5) passes through single positioning pulley (14) and double positioning pulleys (15) are interior in sliding way (3) and glide path (4) respectively Sliding, control stick bottom end pointed tooth (13) are engaged with driving rack (6).

2. fore-and-aft control bar described in claim 1 steering mechanism, it is characterised in that: the control stick (5), if inner cylinder (11), middle layer sleeve (10), outer layer sleeve (9), control stick outer layer sleeve (9) are fixed together with double positioning pulleys (15), grasp Vertical pole bottom end pointed tooth (13), middle layer sleeve (10), single positioning pulley (14), handle (18) are sequentially fixed at together, are covered in inner cylinder (11) outside, inner cylinder (11) with outer layer sleeve (9) with screw rod (12) to be detachably connected, limitation inner cylinder (11) it is up and down, middle layer Sleeve and outer layer sleeve are connected with spring (16), and upper track pulley (14), handle (18), spring (16) collective effect limit middle layer set The upper and lower position of cylinder (10).

3. fore-and-aft control bar described in claim 1 steering mechanism, it is characterised in that: the control stick bottom end pointed tooth (13), By: sharp core (21), arc axis hole (23), sharp sheath (22), sharp (24) four part of sheath axis form, and sharp sheath (22) passes through sharp sheath axis (24) With sharp core (21) Dynamic link library, arc axis hole (23) is processed on sharp core 21.