CN204871434U - Brake handrail of helping hand tricycle - Google Patents

Abstract

The utility model discloses a brake handrail of helping hand tricycle, include and constitute the handrail that covers the body structure by inboard cover and outside cover, the assembly is realized through coupling mechanism and positioning mechanism to inboard cover and outside cover, the front end of the cover body sets up a cavity handle window, inboard cover and outside cover form handle rail groove in the position of handle window and handle portion department, cover the control mechanism that internal portion was provided with handle assembly and used with the handle assembly cooperation, the floodgate line that the handle assembly of left and right sides handrail drew forth links to each other with braking brake and gearbox driving lever respectively, this handrail passes through the fixed pipe of handrail and is connected with the seat. The utility model has the advantages of simple structure and reasonable design, it is as an organic whole through setting up manual brake braking and the conversion of high low -speed gear and handrail, increase the service function of armrest, during the operation, only need the left hand or the right hand to lift the back -and -forth movement insurance simultaneously of handle portion and buckle and to realize corresponding function, need not curved body operation, the operation is very convenient, safe in utilization, and the cost of manufacture is low, and the facilitate promotion is used.

Description

A kind of brake handrail of boosted tricycle

Technical field

The utility model belongs to booster vehicle technical field, is specifically related to a kind of brake handrail of boosted tricycle.

Background technology

Brake and shifting system are the requisite equipment of vehicle, at present, the parking brake that on market, vehicle generally uses, as: the patent No. is 201310088370.X, electro-tricycle hand brake device, the patent No. is 201410200013.9, a kind of lever brake for automobile, the patent No. is 201410379292.8, a kind of automobile hand brake assembly, the patent No. is 201410378932.8, a kind of automobile hand brake, the patent No. is 201120406553.7, for the hand brake operation mechanism of fork truck, its structural principle is all similar the same, its ratchet is all arranged in handle portion, and ratchet is outer teeth, arrange with brake cable guiding parts, common and handle is the combiner of relative motion, its structure and complex process, productive costs is higher, the patent No. is also had to be 201220439786.1, vehicle individual event selector, electronic and hand-operated brake that is three wheeled motor car is all arranged on the left and right sides side bar of three-wheel vehicle mostly, operation need do action of significantly bending over, also sub-fraction is had to place above present bucket both sides, so not only cost is high, use operation also very inconvenient, and there is very large danger.

Utility model content

For prior art Problems existing, the purpose of this utility model is to design the brake handrail providing a kind of boosted tricycle.

The brake handrail of described a kind of boosted tricycle, comprise the handrail be equipped with in seat frame both sides, it is characterized in that described handrail is inner side cover and outside mask composition cover body structure, inner side cover and outside mask are by it being arranged bindiny mechanism and detent mechanism realization assembling, the front end of cover body arranges a hollow handle window, inner side cover and outside mask form handle rail groove in the position of handle window and handle portion, cover body inside be provided with handle mechanism and with handle mechanism with the use of control mechanism, described handle mechanism comprises the sour jujube groove portion of one-body molded setting, pars intermedia, handle portion and integral type or the split type lock beans permanent seat be arranged on below pars intermedia, lock beans permanent seat is provided with the lock beans hole with lock beans normal-running fit, on described lock beans, integral type is provided with brake cable, handle portion extend in handle window through handle rail groove, position above the corresponding sour jujube groove portion of outside mask inwall is provided with rubber block, upper end, sour jujube groove portion keeps off connecing with rubber block elasticity and coordinates, described control mechanism comprise with sour jujube groove portion with the use of ratchet, safety catch, extension spring, inner side cover and outside mask form safety catch rail groove in the position of safety catch, cover body is stretched out by safety catch rail groove in one end of described safety catch, the other end of safety catch is fixed by bearing pin and cover body, described ratchet is connected by connecting rod with safety catch.

The brake handrail of described a kind of boosted tricycle, it is characterized in that described bindiny mechanism comprise correspondence be arranged on outside mask and inner side cover on self-tapping screw and self-tapping screw post, self-tapping screw and self-tapping screw post are spirally connected setting, and on described inner side cover and outside mask inwall, correspondence is provided with several thread-forming screw posts and variform reinforced rib.

The brake handrail of described a kind of boosted tricycle, it is characterized in that described detent mechanism comprise be arranged on outside mask and inner side cover on knock hole and locating dowel pin realize orientation assemble.Also the mosaic mode location of faying face half and half in the middle of outside mask and inner side cover can be adopted.

The brake handrail of described a kind of boosted tricycle, it is characterized in that described handle sour jujube groove portion is provided with internal spline, described internal spline is that the center of circle is arranged with centre hole, centre hole is arranged on pars intermedia, in centre hole, interference fit or integral type arrange straight pin, described handle portion are provided with four arc-shaped depression portion matched with finger.

The brake handrail of described a kind of boosted tricycle, is characterized in that described lock beans permanent seat is U-shaped, and lock beans permanent seat is integrated punching press or split welding, and lock beans and lock beans hole are gap normal-running fit relation, and brake cable and brake cable screw are slip cooperating relationship; Described brake cable screw is by interior split nut, outer split nut and be connected with the fixed orifice of cover body rear portion or bottom.

The brake handrail of described a kind of boosted tricycle, it is characterized in that described ratchet is provided with ratchet rotary hole, in this ratchet rotary hole, interference fit arranges a ratchet fulcrum post, tie rod holes and ratchet lower link hole on ratchet is provided with ratchet rotary hole for the center of circle is equidistant in ratchet middle and upper part, ratchet also arranges an extension spring hanging hole in the middle of tie rod holes and ratchet rotary hole, described outside mask is provided with fixed leg, one end of extension spring is hooked on extension spring hanging hole, the other end of extension spring is sleeved on fixed leg, the upper end of described safety catch arranges attacker, the centre of attacker and bearing pin is provided with tie rod holes, attacker and safety catch rail groove are free-running fit, described connecting rod is a steel wire or an engineering plastics bar, on the same plane at steel wire two ends, each bending one is the hook portion of 90 degree with connecting rod, the hook portion of connecting rod one end and tie rod holes normal-running fit, tie rod holes or ratchet lower link hole normal-running fit on the hook portion of the other end and ratchet, described bearing pin and fulcrum post all with the pin sleeve normal-running fit be arranged on outside mask or inner side cover inwall.

The brake handrail of described a kind of boosted tricycle, is characterized in that described internal spline adopts and arranges continuously or interval setting.

The brake handrail of described a kind of boosted tricycle, is characterized in that the top of the corresponding handle window of described cover body arranges large handle.

The brake handrail of described a kind of boosted tricycle, it is characterized in that comprising the handrail stationary pipes that welding is in the same way arranged on seat frame, be provided with cavity between described handrail cover body lower end inside, described handrail stationary pipes and cavity inside space match.

The utility model structure is simple, reasonable in design, installation method is simple, being set to one by hand-braking and high low gear being transformed with handrail, increasing the using function of armrest, when operating simultaneously, only need left hand or the right hand lift handle portion simultaneously movable safety catch can realize corresponding function, without the need to the operation that jackknifes, easy to operate, use safety, cost of manufacture is low, easy to utilize.

Accompanying drawing explanation

Fig. 1 is the inner structure released state schematic diagram after the utility model takes outside mask apart;

Fig. 2 is the inner structure braking mode schematic diagram after the utility model takes outside mask apart;

Fig. 3 is the inner structure schematic diagram that the utility model takes inner side cover apart;

Fig. 4 is the inner side view of the utility model product;

Fig. 5 is the outer side view of the utility model product;

Fig. 6 is the three-dimensional view of the utility model product;

Fig. 7 is the structural representation of the attaching parts of the utility model and seat;

Fig. 8 is the lateral plan of Fig. 7;

Fig. 9 is the structural representation of the utility model connecting rod;

Figure 10-11 is the utility model handle mechanism structural representation;

Figure 12 is the another way structural representation that the utility model brake cable is drawn;

In figure: cover inside 1-, 2-outside mask, 3-handle window, 4-handle rail groove, 5-sour jujube groove portion, 6-pars intermedia, 7-handle portion, 8-lock beans permanent seat, 9-lock beans, 10-lock beans hole, 11-brake cable, 12-rubber block, 13-ratchet, 14-safety catch, 15-extension spring, 16-safety catch rail groove, 17-bearing pin, 18-connecting rod, 19-self-tapping screw, 20-self-tapping screw post, 21-knock hole, 22-locating dowel pin, 23-internal spline, 24-centre hole, 25-straight pin, split nut in 26-, the outer split nut of 27-, 28-brake cable screw, 29-ratchet rotary hole, 30-fulcrum post, tie rod holes on 31-ratchet, 32-ratchet lower link hole, 33-extension spring hanging hole, 34-fixed leg, 35-attacker, 36-tie rod holes, 37-hook portion, 38-pin sleeve, 39-seat frame, 40-handrail stationary pipes, 41-reinforced rib, the large handle of 42-, 43-fixed orifice, 44-central pin bush, 45-ratchet guide.

Detailed description of the invention

The technical solution of the utility model is further illustrated below in conjunction with Figure of description.

As shown in figs. 1-12, the brake handrail of a kind of boosted tricycle of the utility model, this brake handrail possesses multiple functions of handrail, hand-braking and gear conversion, facilitates chaufeur to manipulate vehicle.Brake handrail comprises the handrail be equipped with in seat frame 39 both sides, handrail is that inner side cover 1 and outside mask 2 form cover body structure, inner side cover 1 and outside mask 2 are by it being arranged bindiny mechanism and detent mechanism realization assembling, bindiny mechanism comprises correspondence and is arranged on self-tapping screw 19 on outside mask 2 and inner side cover 1 and self-tapping screw post 20 is spirally connected setting, detent mechanism comprise be arranged on outside mask 2 and inner side cover 1 on knock hole 21 and locating dowel pin 22 realize orientation assemble, the front end of cover body arranges a hollow handle window 3, the top of the corresponding handle window 3 of cover body arranges large handle 42, inner side cover 1 and outside mask 2 form handle rail groove 4 in the position of handle window 3, cover body inside be provided with handle mechanism and with handle mechanism with the use of control mechanism.Handle mechanism entirety can be metal stamping, can be aluminum alloy forged, can be high-strength engineering plastic, also can be metal and plastics integrated through injection molding.The concrete connection structure of handrail and seat is, the both sides of seat frame 39 are all welded and are provided with handrail stationary pipes 40, inner side is covered correspondence on 1 and outside mask 2 inwall and is provided with several thread-forming screw posts and variform reinforced rib 41, the cavity with handrail stationary pipes 40 same size is symmetrically arranged with between the inner end surface being arranged on the thread-forming screw post of cover body lower end inside, this cavity, for holding handrail stationary pipes, realizes being fixedly connected with of handrail and seat.

Wherein, handle mechanism comprises the sour jujube groove portion 5 of one-body molded setting, pars intermedia 6, handle portion 7 and integral type are arranged on the U-shaped lock beans permanent seat 8 below pars intermedia 6, integral type or be split typely provided with the lock beans hole 10 with lock beans 9 normal-running fit on lock beans permanent seat 8, lock beans 9 with brake cable 11 for integral type is arranged, can forge, also can extrude, brake cable 11 is connected with brake actuator or gear box deflector rod through the brake cable screw 28 on cover body, be specially brake cable 11 by interior split nut 26, outer split nut 27 and brake cable screw 28 are connected with cover body, handle portion 7 extend in handle window 3 through handle rail groove 4, position above the corresponding sour jujube groove portion 5 of outside mask 2 inwall is provided with rubber block 12, rubber block 12 keeps off connecing with sour jujube groove portion 5 elasticity and coordinates, sour jujube groove portion 5 is provided with internal spline 23, internal spline 23 with centre hole 24 for the center of circle arrange, internal spline 23 can arrange also space set continuously, centre hole 24 is arranged on pars intermedia 6, in centre hole 24, interference fit or integral type arrange straight pin 25, for convenience of driver's operation, prevent from skidding, handle portion 7 is provided with four arc-shaped depression portion matched with finger.Control mechanism comprise with sour jujube groove portion 5 with the use of ratchet 13, safety catch 14, extension spring 15, inner side cover 1 and outside mask 2 form safety catch rail groove 16 in the position of safety catch 14, cover body is stretched out by safety catch rail groove 16 in one end of safety catch 14, the other end of safety catch 14 is fixed by bearing pin 17 and cover body, ratchet 13 is connected by connecting rod 18 with safety catch 14, ratchet 13 is provided with ratchet rotary hole 29, in ratchet rotary hole 29, close-fitting arranges a ratchet fulcrum post 30, tie rod holes 31 and ratchet lower link hole 32 on ratchet is provided with ratchet rotary hole 29 for the center of circle is equidistant in ratchet 13 middle and upper part, when connecting rod 18 is connected with tie rod holes on ratchet 31, safety catch 14 is inwardly pulled and can be opened engaging of ratchet 13 and internal spline 23, when connecting rod 18 is connected with ratchet lower link hole 32, safety catch 14 outwards promotes to open engaging of ratchet 13 and internal spline 23.Ratchet also arranges an extension spring hanging hole 33 in the middle of tie rod holes 31 and ratchet rotary hole 29, outside mask 2 is provided with fixed leg 34, one end of extension spring 15 is hooked on extension spring hanging hole 33, the other end of extension spring 15 is sleeved on fixed leg 34, the upper end of safety catch 14 arranges attacker 35, tie rod holes 36 is provided with in the middle of the attacker 35 of safety catch 14 and bearing pin 17, attacker 35 and safety catch rail groove 16 are free-running fit, connecting rod 18 is a steel wire, on the same plane at steel wire two ends, each bending one is the hook portion 37 of 90 degree with connecting rod, hook portion 37 and tie rod holes 36 normal-running fit of connecting rod 18 one end, hook portion 37 and tie rod holes 31 or ratchet lower link hole 32 normal-running fit on ratchet of the other end, bearing pin 17 and fulcrum post 30 all be arranged on outside mask 2 and inner side and cover pin sleeve 38 normal-running fit on 1 inwall.

This utility model has armrest, hand-braking and high low gear and changes three kinds of functions.If braking, then brake cable 11 must be connected with boosted tricycle rear brake, traveling is released state, as shown in Figure 1, when stopping traveling needing to brake car, chaufeur upwards pulls handle portion 7 with hand after closedown power, the ratchet 13 be now meshed with the internal spline 23 of lower end, sour jujube groove portion 5 does reciprocal rebound under the pulling force effect of extension spring 15, the sound of slight " clatter clatter " can be sent simultaneously, when handle portion 7 pull to close to below large handle 42 time, the present embodiment sour jujube groove portion 5 degreeof turn is set to 20 degree, brake cable 11 miles of relative movement 18 millimeters stopping, above-mentioned data size can be adjusted if desired according to actual conditions, now ratchet 13 do under the pulling force effect of extension spring 15 cw revolution and spacing, ensure that sour jujube groove portion 5 can not turn round and realize drag downwards, guarantee that car and occur hidden danger is not easily at will slipped in the parking of vehicle original place, when needs are walked, chaufeur slams foot brake first downwards, then refer to hold that handle portion 7 is micro-firmly upwards to be pulled with four, ratchet 13 is made to throw off the friction force of internal spline 23, simultaneously with thumb driven forward or pull backward and pull safety catch 14, now safety catch 14 drivening rod 18, and connecting rod 18 drives ratchet 13 to depart from internal spline 23, now four refer to release handle portion 7, and handle portion 7 can be turned round downwards under the spring tension effect of brake cable 11 end, the present embodiment sour jujube groove portion 5 degreeof turn is set to 20 degree, brake cable miles of relative movement 18 millimeters, above-mentioned data size can be adjusted if desired according to actual conditions, stop when the revolution of upper end, sour jujube groove portion 5 touches rubber block 12, ratchet 13 supports into internal spline 23 spacing under the pulling force effect of extension spring 15 simultaneously, now unclamp safety catch 14 again, namely whole drag separating action is completed, and then prepare next step startup vehicle and mobility operation.If folk art term is changed, then brake cable 11 must be connected with power transmission-gear box driving lever, the conversion of high low gear during use, can be realized according to above-mentioned same method.This utility model three function is in one, and structure is simple, with low cost, easy to operate, use safety.

The utility model installation method is, 1) first straight pin 25, fulcrum post 30 are fitted in handle pars intermedia 6 centre hole 24, ratchet rotary hole 29 respectively; And straight pin 25, fulcrum post 30 are interference fit relation with handle center hole 24, ratchet rotary hole 29; 2) by be upwards placed on inside outside mask 2 be covered with soft plastic board or cotton blanket bench board on, first in central pin shaft 44, be coated with note lubricating oil, the central pin bush 44 whole handle and straight pin 25 being aimed at outside mask 2 is again loaded onto, and straight pin 25 and central pin bush 44 are normal-running fit relation; 3) first in pin sleeve 38, be coated with lubricating oil, then loaded onto by the pin sleeve 38 that the bearing pin 17 of attacker 35 bottom is aimed in outside mask 2, bearing pin 17 and pin sleeve 38 are normal-running fit relation; 4) first in ratchet guide 45, note lubricating oil is coated with, the fulcrum post 30 be pre-assembled in ratchet rotary hole 29 is aimed at ratchet guide 45 load onto, again extension spring 15 one end is hooked on extension spring hanging hole 33, the other end is hooked on fixed leg 34, then again ratchet 13 is aimed at arbitrary internal spline 23, fulcrum post 30 and ratchet guide 45 be normal-running fit relation, and ratchet 13 and internal spline 23 connect relation for limiting block; 5) connect hole 32 to tie rod holes 31 on tie rod holes 36, ratchet or ratchet lower beam and be coated with note lubricating oil, again connecting rod 18 either end hook portion 37 is aimed at the tie rod holes 36 in the middle part of front end attacker 35, connecting rod 18 other end hook portion 37 is aimed on the ratchet above ratchet 13 and is synchronously inserted behind tie rod holes 31 or ratchet lower link hole 32; Connecting rod 18 hook portion 37 is normal-running fit relation with tie rod holes 31 on tie rod holes 36, ratchet or ratchet lower link hole 32; 6) first lock beans 9 are loaded in lock beans hole 10, then brake cable 11 and brake cable screw 28 are stuck on the fixed orifice 43 at outside mask 2 rear portion, then screw relative with outer split nut 27 for interior split nut 26; Lock beans 9 and lock beans hole 10 be normal-running fit relation, and brake cable 11 and brake cable screw 28 are clearance sliding fit relation, brake cable spiral shell, 28 and outside mask 2 be location fit relation; 7) inserted by elastic body in the dovetail furrow at outside mask 2 rear portion, elastic body can adopt rubber block, and rubber block and dovetail furrow are interference fit relation; 8) inserted by the locating dowel pin 22 that the knock hole 21 above inner side cover 1 is aimed at above outside mask 2, locating dowel pin 22 and knock hole 21 are gap limit matching relationship; 9) self-tapping screw 19 is covered from inner side aim at outside mask 2 self-tapping screw post 20 1 screw hole and screw in, do not need to screw too tight, namely the car load finished product prepackage of brake handrail is completed, the fixed orifice that removing brake handle bottom and seat are fixed does not fill, and self-tapping screw 19 and self-tapping screw post 20 are threaded relation; 10) the handrail stationary pipes 40 that the lower cavity of the brake handrail be pre-installed is aimed at above seat frame 39 is inserted, cover from inner side and aim at outside mask 21 bottom screw hole self-tapping screw post 20 is screwed in, then one by one all self-tapping screws 19 above inner side cover 1 are screwed, namely complete the installation of the car load finished product of brake handrail.

Claims (9)

1. the brake handrail of a boosted tricycle, comprise the handrail be equipped with in seat frame (39) both sides, it is characterized in that described handrail is inner side cover (1) and outside mask (2) composition cover body structure, inner side cover (1) and outside mask (2) are by it being arranged bindiny mechanism and detent mechanism realization assembling, the front end of cover body arranges a hollow handle window (3), inner side cover (1) and outside mask (2) form handle rail groove (4) in the position of handle window (3) and handle portion, cover body inside be provided with handle mechanism and with handle mechanism with the use of control mechanism, described handle mechanism comprises the sour jujube groove portion (5) of one-body molded setting, pars intermedia (6), handle portion (7) and integral type or the split type lock beans permanent seat (8) being arranged on pars intermedia (6) below, the upper integral type of lock beans permanent seat (8) is provided with the lock beans hole (10) with lock beans (9) normal-running fit, the upper integral type of described lock beans (9) is provided with brake cable (11), handle portion (7) extend in handle window (3) through handle rail groove (4), position above the corresponding sour jujube groove portion of outside mask (2) inwall is provided with rubber block (12), upper end, sour jujube groove portion keeps off connecing with rubber block (12) elasticity and coordinates, described control mechanism comprise with sour jujube groove portion with the use of ratchet (13), safety catch (14), extension spring (15), inner side cover (1) and outside mask (2) form safety catch rail groove (16) in the position of safety catch (14), cover body is stretched out by safety catch rail groove (16) in one end of described safety catch (14), the other end of safety catch (14) is fixed by bearing pin (17) and cover body, described ratchet (13) is connected by connecting rod (18) with safety catch (14).

2. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that described bindiny mechanism comprise correspondence be arranged on outside mask (2) and inner side cover (1) on self-tapping screw (19) and self-tapping screw post (20), self-tapping screw (19) and self-tapping screw post (20) are spirally connected setting, and on described inner side cover (1) and outside mask (2) inwall, correspondence is provided with several thread-forming screw posts and variform reinforced rib (41).

3. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that described detent mechanism comprise be arranged on outside mask (2) and inner side cover (1) on knock hole (21) and locating dowel pin (22) realize orientation assemble.

4. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that described handle sour jujube groove portion (5) is provided with internal spline (23), described internal spline (23) with centre hole (24) for the center of circle arrange, centre hole (24) is arranged on pars intermedia, in centre hole (24), interference fit or integral type arrange straight pin (25), described handle portion (7) are provided with four arc-shaped depression portion matched with finger.

5. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that described lock beans permanent seat (8) is U-shaped, lock beans permanent seat (8) is integrated punching press or split welding, lock beans (9) and lock beans hole (10) are gap normal-running fit relation, and brake cable (11) and brake cable screw (28) are slip cooperating relationship; Described brake cable screw (28) is by interior split nut (26), outer split nut (27) and be connected with the fixed orifice (43) of cover body rear portion or bottom.

6. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that described ratchet (13) is provided with ratchet rotary hole (29), the interior interference fit of this ratchet rotary hole (29) arranges puts a ratchet fulcrum post (30), tie rod holes on ratchet (31) and ratchet lower link hole (32) is provided with ratchet rotary hole (29) for the center of circle is equidistant in ratchet (13) middle and upper part, ratchet also arranges an extension spring hanging hole (33) in the middle of tie rod holes (31) and ratchet rotary hole (29), described outside mask (2) is provided with fixed leg (34), one end of extension spring (15) is hooked on extension spring hanging hole (33), the other end of extension spring (15) is sleeved on fixed leg (34), the upper end of described safety catch (14) arranges attacker (35), the centre of attacker (35) and bearing pin (17) is provided with tie rod holes (36), attacker (35) and safety catch rail groove (16) are free-running fit, described connecting rod (18) is a steel wire or an engineering plastics bar, on the same plane at steel wire two ends, each bending one is the hook portion (37) of 90 degree with connecting rod, the hook portion of connecting rod (18) one end and tie rod holes (36) normal-running fit, tie rod holes (31) or ratchet lower link hole (32) normal-running fit on the hook portion of the other end and ratchet, described bearing pin (17) and fulcrum post (30) all be arranged on outside mask (2) or inner side and cover pin sleeve (38) normal-running fit on (1) inwall.

7. the brake handrail of a kind of boosted tricycle as claimed in claim 4, is characterized in that described internal spline (23) adopts and arranges continuously or interval setting.

8. the brake handrail of a kind of boosted tricycle as claimed in claim 1, is characterized in that the top of corresponding handle window (3) of described cover body arranges large handle (42).

9. the brake handrail of a kind of boosted tricycle as claimed in claim 1, it is characterized in that comprising the handrail stationary pipes (40) that welding is in the same way arranged on seat frame (39), be provided with cavity between described handrail cover body lower end inside, described handrail stationary pipes (40) and cavity inside space match.