CN202071733U - Height-adjustable compact-type public vehicle handle - Google Patents

Abstract

The utility model discloses a height-adjustable compact-type public vehicle handle, which comprises a body and a belt. The body comprises a shell, an outer pipe, an inner pipe, a one-way stop clutch and a driving mechanism for driving the separation of the one-way stop clutch. The outer pipe is pulled by hand to drive the inner pipe so as to realize the retraction of the belt and adjust the height of the handle. The relative rotation or the one-way stopping between the inner pipe and the outer pipe can be controlled by engaging and disengaging of the one-way stop clutch driven by the driving mechanism, so that the height positioning of the handle is realized. The height-adjustable compact-type public vehicle handle greatly conforms to the principle of the human engineering and has the advantages of simple structure, convenient and comfortable usage and the like.

Description

Adjustable for height compact public transit vehicle handle

Technical field

The utility model relates to the public transit vehicle handle, more particularly, relates to a kind of adjustable for height compact public transit vehicle handle.

Background technology

At present, existing public transit vehicle handle is that some simply are connected on the plastics handle by screw with a strap, perhaps can change the public vehicle handle of length.This class is shaken hands or can not be adjusted height or return to a reasonably height naturally, be exactly that structure is huge, can feel very uncomfortable when in driving, hauling handle for the passenger of different heights like this, height is shorter will make that arm is complete and stretchingly just can move handle to, then needing arm that height is higher is very bently curved, short like this passenger's arm can be ached very much, the tall person then because curved very bent elbow can be met other passengers.Because muscle can't be in a kind of natural relaxation state when fixing handle height can make the arm handle, a period of time arm of standing will be ached; Because handle can not retract to a reasonably height, so tall people handle when walking about can bump against head or face.Even can change height, but can't be implemented in nature does not choose and retracts to a reasonably height under the state of intervening yet, if short personal back passenger does not heighten handle, this handle may be got to the passenger of various heights so, and the passenger of various heights is with the back as do not regain belt, handle can be in different height, when in public transport, not standing the passenger, because handle is highly uneven, it is in a mess also can to seem in the car, the handle that belt elongates can disorderly get rid of in driving everywhere, and is very not attractive in appearance, also danger close.In addition,, cause the part of holding very big, occupied just very narrow and small and valuable space, script compartment with the original pull bar space length of public transit vehicle because structure is huge.

The utility model content

At the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides a kind of adjustable for height compact public transit vehicle handle, to realize its height adjustment and can automatically restore to certain altitude.

For achieving the above object, the utility model adopts following technical scheme:

This adjustable for height compact public transit vehicle handle comprises handle body and belt, and described body comprises housing, outer tube, interior pipe, unidirectional stop power-transfer clutch and in order to drive the driver train of unidirectional stop disengaging of clutch, housing is fixed on the outer tube two ends; Interior pipe is managed two ends with being located in the outer tube in described belt is set around respectively; Be provided with bearing and torsion spring between the inner and outer pipe, torsion spring one end and outer tube join, and the other end links to each other with interior pipe; Unidirectional stop power-transfer clutch is located on the interior pipe; Driver train links to each other with unidirectional stop power-transfer clutch.

Described unidirectional stop power-transfer clutch comprises that pipe in a pair of being placed in is gone up and intermeshing fluted disc, respectively be located at the back-up ring in the two fluted discs outside, be located at stage clip between fluted disc and the back-up ring respectively, all radially have groove in the fluted disc, be provided with in the groove and pass the driving lever of interior tubular axis to the slide opening of offering; Wherein a fluted disc also slides with outer tube by feather key and links to each other; Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting with the offside driving lever is contacted cuts somebody's hair in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring.

Described unidirectional stop power-transfer clutch comprises that pipe is gone up and intermeshing fluted disc in a pair of being placed in, and wherein a fluted disc and outer tube are fixed, and radially have groove in another fluted disc, is provided with in the groove to pass the driving lever of interior tubular axis to the slide opening of offering; Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting cutting somebody's hair of an end band tooth bar in each push rod one end all axially penetrates, the other end are with to offset with housing 3 and pass housing behind the spring; Two tooth bars of cutting somebody's hair are meshed by gear, and two also are provided with stage clip between cutting somebody's hair; Described driving lever also passes wherein and one cuts somebody's hair.

Described unidirectional stop power-transfer clutch comprises that pipe is gone up and intermeshing fluted disc in a pair of being placed in, and wherein a fluted disc and interior pipe are fixed; Another fluted disc slides with outer tube by feather key and links to each other, and is provided with back-up ring and stage clip outside this fluted disc, radially has groove in this fluted disc, is provided with in the groove to pass the driving lever of interior tubular axis to the slide opening of offering; Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting cutting somebody's hair of an end band tooth bar in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring; Two tooth bars of cutting somebody's hair are meshed by gear; Described driving lever also passes wherein and one cuts somebody's hair.

Described unidirectional stop power-transfer clutch comprises the ratchet that is placed in interior Guan Yiduan, the ratchet that cooperates with ratchet, has profiled holes on the ratchet, and be provided with torsion spring in the rotating shaft of ratchet; Described driver train comprises a guide rod, push rod and lifting button, and the guide rod upper end is provided with to be passed profiled holes and drive the driving lever of lifting in the ratchet rotation; Pipe and be provided with inclined-plane in order to move on the drive leader in push rod one end axially penetrates, the other end are with to offset with housing and pass housing behind the spring; The lifting button penetrates from the housing lower end and links to each other with the driving lever bottom.

Described unidirectional stop power-transfer clutch comprises the ratchet that is placed in the outer tube, the ratchet that cooperates with ratchet, has profiled holes on the ratchet; Described driver train comprises that outer tube, an end be located at the inner guide in the outer tube, two push rods that are oppositely arranged, pipe and supporting an end and have cutting somebody's hair of V-shaped part in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring; Be with a stage clip on outer tube and the inner guide and be fixed between outer tube and the inner guide by catch, also respectively be connected with a depression bar and a driving lever on outer tube and the inner guide, depression bar crosses in the V-shaped part, and driving lever passes profiled holes respectively and links to each other with ratchet.

Described driver train also comprises to be located at the housing sidepiece and to promote the adjusting button that the homonymy push rod moves, and the upper end of regulating button is the inclined-plane and the inclined-plane that penetrates from the housing lower end and offer sliding block joint mutually below this push rod.

The upper end of described adjusting button also is provided with in order to the roller that reduces to rub, and by the inclined-plane that roller and this place's push rod are offered the below connection of rolling mutually.

Described handle also comprises the belt contracting mechanism, and an end links to each other with outer tube, and the other end links to each other with interior pipe, and this belt contracting mechanism is a clockwork spring or extension spring.

Also be arranged with sleeve pipe on the described depression bar in order to reduce to rub.

In technique scheme, adjustable for height compact public transit vehicle handle of the present utility model comprises body and belt, body comprises housing, outer tube, interior pipe, unidirectional stop power-transfer clutch and in order to drive the driver train of unidirectional stop disengaging of clutch, can drive interior pipe by the pulling outer tube and carry out the folding and unfolding belt, thereby realize regulating the height of handle; Can control rotation or unidirectional stop between the inner and outer pipe by the clutch of the unidirectional stop power-transfer clutch of drive mechanism, thereby realize the location of handle height, this handle very meets the human engineering principle, has advantages such as simple in structure, easy to use, comfortable.

Description of drawings

Fig. 1 is the cutaway view of the embodiment 1 of public transit vehicle handle of the present invention.

Fig. 1 a is the A portion enlarged drawing among Fig. 1.

Fig. 1 b is the cutaway view along the A-A line among Fig. 1 a.

Fig. 2 is the cutaway view of the embodiment 2 of public transit vehicle handle of the present invention.

Fig. 2 a is the A portion enlarged drawing among Fig. 2.

Fig. 2 b is the cutaway view along the A-A line among Fig. 2 a.

Fig. 3 is the cutaway view of the embodiment 3 of public transit vehicle handle of the present invention.

Fig. 4 is the cutaway view of the embodiment 4 of public transit vehicle handle of the present invention.

Fig. 4 a is the cutaway view along the ratchet device of the A-A line among Fig. 4.

Fig. 4 b is the cutaway view along the inorganic ratchet device of the A-A line among Fig. 4.

Fig. 4 c is the part sectional view of Fig. 4.

Fig. 5 is the cutaway view of the embodiment 5 of public transit vehicle handle of the present invention.

Fig. 5 a is the A portion enlarged drawing among Fig. 5.

Fig. 5 b is the cutaway view along the ratchet device of the A-A line among Fig. 5 a.

Fig. 6, Fig. 7 are the structural representations of two kinds of belt 4 contracting mechanisms of public transit vehicle handle of the present invention.

Fig. 8 is the structural representation that is used to replace the piston crank mechanism of Fig. 2 middle gear rack driven.

Fig. 9, Figure 10 are respectively two kinds of adjusting buttons of the present invention and push rod bonded assembly structural representation.

Figure 11 is the another kind of connection diagram of push rod inclined-plane and guide rod among Fig. 4.

Figure 12 is the another kind of connection diagram of V-shaped part and depression bar of cutting somebody's hair among Fig. 4.

The specific embodiment

Further specify the technical solution of the utility model below in conjunction with drawings and Examples.

Embodiment 1:

See also Fig. 1 ~ Fig. 1 b, adjustable for height compact public transit vehicle handle of the present invention comprises handle body and belt 4, described body comprises housing 3, outer tube 7, interior pipe 5, unidirectional stop power-transfer clutch and in order to drive the driver train of unidirectional stop disengaging of clutch, housing 3 is fixed on outer tube 7 two ends; Interior pipe 5 is with outer tube 7 concentrics and be located in the outer tube 7 pipe 5 two ends in belt 4 is set around respectively; Be provided with bearing 6 and torsion spring 8 between the inner and outer pipe 5,7, torsion spring 8 one ends and outer tube 7 join, and the other end links to each other with interior pipe 5; Outer tube 7 can produce relative rotation under the effect of torsion spring 8 with interior pipe 5 like this, thereby realizes packing up of belt 4.Manage on 5 in unidirectional stop power-transfer clutch is located at; Driver train links to each other with unidirectional stop power-transfer clutch.

Above-mentioned unidirectional stop power-transfer clutch comprises in a pair of being placed on the pipe 5 and intermeshing fluted disc 13,14, respectively be located at the back-up ring 9,16 in the two fluted discs outsides, be located at stage clip 10,11 between fluted disc 13,14 and the back-up ring 9,16 respectively, all radially have groove in the fluted disc 13,14, be provided with in the groove and pass the driving lever 19,20 of interior tubular axis to the slide opening of offering 51; Wherein fluted disc 14 also slides with outer tube 7 by feather key 12 and links to each other; Described driver train comprises two push rods 1 that are oppositely arranged, pipe 5 and supporting one and contactedly cutting somebody's hair 18 or 17 in each push rod 1 one end all axially penetrates with offside driving lever 19 or 20, the other end is with to offset with housing 3 and passes housing 3 behind the spring 2, by directly pressing lower push-rod 1, can drive driving lever 19 or 20 and move.

Specifically, the fluted disc 14 of unidirectional stop power-transfer clutch can endwisely slip in outer tube 7 by feather key 12, have groove in fluted disc 14 inboards, driving lever 20 wherein is housed, driving lever 20 can rotate in the sagittal plane, endwisely slip in again can be on the interior pipe 5 walls axial arranged waist shape slide opening 51 of this driving lever 20, driving lever 20 endwisely slips but can drive fluted disc 14 when interior pipe 5 rotations and can not drive fluted disc 14 rotations like this; Manage on 5 in the fluted disc 13 of unidirectional stop power-transfer clutch is contained in, in fluted disc 13 inner radial planes, driving lever 19 is housed, in radially passing again, driving lever 19 endwisely slips in pipe 5 and can be on the interior pipe 5 walls axial arranged waist shape slide opening 51, but fluted disc 13 can not relatively rotate with interior pipe 5, thereby driving lever 19 drives fluted disc 13 only and endwisely slips, the shaft block ring 15 of position-limiting action is housed on the interior pipe 5 between fluted disc 13 and the fluted disc 14, fluted disc 13 outsides be equipped be fixed in the back-up ring 9 of pipe on 5, in fluted disc 14 outsides back-up ring 16 that is fixed in the outer tube 7 is housed, between fluted disc 13 and the back-up ring 9 reseting pressuring spring 10 is housed, between fluted disc 14 and the back-up ring 16 reseting pressuring spring 11 is housed, fluted disc 13 just presses together with fluted disc 14 like this, make outer tube 7 and interior pipe 5 can not have and relatively rotate (annotate: the fluted disc tooth form of unidirectional stop power-transfer clutch is a helix) in a certain direction, this direction is the direction that belt 4 is decontroled, it is to make outer tube 7 and interior pipe 5 towards the relatively rotating of other direction that torsion spring 8 releases energy, and this direction is the direction that belt 4 is rolled; When pressing adjusting button 45, by the inclined-plane transmission push rod 1 is promoted vertically, push rod 1 cuts somebody's hair 17 or 18 again, cut somebody's hair and 17 or 18 promote driving lever 20 or 19 again, driving lever 20 or 19 drives fluted disc 14 or 13 again, make unidirectional stop power-transfer clutch separately, this moment, outer tube 7 can freely relatively rotate with interior pipe 5, two cut somebody's hair 17 and 18 ends are the form structures (seeing Fig. 1 b) that are similar to big pipe box tubule, cut somebody's hair and all have corresponding groove on 17 or 18, can get out of the way the driving lever that it does not push away, and remove to push away another driving lever 19 or the 20(17 pushing bars 20 of promptly cutting somebody's hair, but the 18 pushing bars 19 of cutting somebody's hair), and can orthogonal theretoly arrange between two driving levers 19 and 20, two to cut somebody's hair 17 be that end face contacts with 18 with push rod 1, can relatively rotate between them, can not influence 17 and 18 the rotation of cutting somebody's hair because push rod 1 can not rotate.From operation, when hand is pressed adjusting button 45, because outer tube 7 can freely relatively rotate with interior pipe 5, make that belt 4 can free folding and unfolding, handle can raise or descend like this, after arriving a certain height, discharge and regulate button 45, under the reset response of spring 2 and stage clip 10 or 11, unidirectional stop power-transfer clutch closes, handle no longer descends and is parked in a certain height (notes: during people's handle, can produce a pulling force naturally downwards), when staff is decontroled handle, because interior pipe 5 is rolled belt 4, handle will rise and return to the original position eminence, and is very convenient.

Embodiment 2:

See also Fig. 2 ~ Fig. 2 b, the pull handle arrangement principle among the embodiment 2 is substantially the same manner as Example 1, and difference and characteristics are: the fluted disc 14 of unidirectional stop power-transfer clutch is fixed in the outer tube 7, and the operating principle of fluted disc 13 is with scheme one; Cutting somebody's hair 18 among the embodiment 1 changes the columned tooth bar that an end has tooth bar into and cuts somebody's hair 24, driving lever 19 pass tooth bar cut somebody's hair 24 with its axis isoplanar quadrature, cutting somebody's hair among the same embodiment 1 17 changes the columned tooth bar that an end has tooth bar into and cuts somebody's hair 23, tooth bar is cut somebody's hair and 23 is cut somebody's hair with tooth bar and 24 to form relative reverse slide by gear 21, manage in 5 in the gear wheel shaft 22 of gear 21 is contained in, push rod 1 promotes tooth bar and cuts somebody's hair 24, tooth bar is cut somebody's hair and 24 is directly stirred driving lever 19, push rod 1 promotes tooth bar and cuts somebody's hair 23, tooth bar cut somebody's hair 23 by gear 21 oppositely the pulling tooth bars cut somebody's hair 24, tooth bar is cut somebody's hair and 24 is stirred driving lever 19 again, controls the separation of unidirectional stop power-transfer clutch.Stage clip 52 is used for tooth bar and cuts somebody's hair 23 and tooth bar the resetting between 24 of cutting somebody's hair.

Embodiment 3:

See also Fig. 3 ~ Fig. 3 b, the pull handle arrangement principle of embodiment 3 is substantially the same manner as Example 2, difference and characteristics are: in the fluted disc 13 of embodiment 3 is fixed on the pipe 5, and the structure of fluted disc 14 and operating principle be with embodiment 1, and stir the structure of driving lever 20 and principle with embodiment 1.

Embodiment 4:

See also Fig. 4 ~ Fig. 4 c, belt 4 among Fig. 4 is connected with the cross bar 100 of public transit vehicle, the structure of belt 4 folding and unfoldings and principle are with embodiment 1, difference is, the unidirectional stop power-transfer clutch of embodiment 4 comprises the ratchet 29 that an end of pipe 5 is equipped with, the ratchet 30 that is used with it, and ratchet 30 is provided with profiled holes 301, this profiled holes 301 can make ratchet 30 reset and ratchet 29 during by unidirectional spline at driving lever 27, can not interfere with driving lever 27; And when driving lever 27 was mentioned ratchet 30, this profiled holes 301 can be got out of the way driving lever 27 again in the displacement radially of ratchet 30 plane of revolutions.Certainly, also can adorn a stepless ratchet 33 at an end of interior pipe 5, what stepless therewith ratchet 33 was used is stepless ratchet 34, press and regulate button 45, promote push rod 28 by oblique mechanism, push rod 28 is mentioned guide rod 26 by its terminal inclined-plane, also can be by lifting button 25 on pressing, on lift button 25 direct derivation bars 26, by the driving lever 27 that is installed in guide rod 26 terminal quadratures ratchet 30 or stepless ratchet 34 are pushed open, ratchet 30 or stepless ratchet 34 no longer contact with ratchet 29 or stepless ratchet 33, outer tube 7 can freely relatively rotate with interior pipe 5 like this, on finger discharges, lift button 25 or regulate button 45, push rod 28 resets under the effect of spring 2, ratchet 30 or stepless ratchet 34 are pressed to ratchet 29 or stepless ratchet 33 with ratchet 30 or stepless ratchet 34 around axle 31 rotations under the effect of torsion spring 32 simultaneously, and outer tube 7 and interior pipe 5 are in a certain direction spline like this.

Embodiment 5:

See also Fig. 5-Fig. 5 b, the structural principle of belt 4 folding and unfoldings of embodiment 5 is with embodiment 1, different is with embodiment 4, ratchet 37 is fixed in the outer tube 7, manage on 5 in ratchet 44 is connected, be similar to embodiment 4 equally and on ratchet 44, have a profile hole, cutting somebody's hair among the embodiment 1 17 and 18 changed into V-shaped part and cut somebody's hair 38 and 39, cut somebody's hair 38 and 39 V-shaped part of V-shaped part is a concavo-convex staggered dentition formula in pairs, press and regulate button 45 and can make V-shaped part cut somebody's hair 38 or 39 to move axially, driving lever 43 is depressed on inclined-plane against its end, driving lever 43 drives inner guide 35 and outer loop bar 42 again, by the driving lever 36 that is contained in inner guide 35 and outer loop bar 42 ends ratchet 44 is pushed aside, ratchet 44 no longer contacts with ratchet 37, when discharging adjusting button 45, stage clip 41 pushes away two driving levers 43 by circle catch 40, force two V-shaped parts to be cut somebody's hair by ramp effect and 38 and 39 reset separately, also ratchet 44 is resetted simultaneously, thereby also bring into play unidirectional stopping function.

The belt contracting mechanism of handle of the present invention also comprises other several forms, sees also Fig. 6, and the belt contracting mechanism adopts the clockwork spring form, clockwork spring 46 1 ends connection outer tube 7, and pipe 5 in the other end connects is managed on 5 in belt 4 is connected.

See also Fig. 7, the belt contracting mechanism also can adopt the extension spring form, and extension spring 47 1 ends connect outer tube 7, and pipe 5 in the other end connects, belt 4 are connected on the interior pipe 5.

See also Fig. 8, Fig. 8 is the piston crank mechanism that can replace Fig. 2 middle gear tooth bar commutation, and crank 50 rotates in rotating shaft 49, manage in 5 in rotating shaft 49 is fixed on, crank 50 two ends respectively by connecting rod 51 and 48 and the tooth bar that removes tooth bar cut somebody's hair 23 and 24 hinged.

See also Fig. 9, Fig. 9 is in order to reduce adjusting button 45 among Fig. 1 ~ Fig. 5 and the friction force between the push rod 1, therefore installs roller 53 additional regulating on the button 45, and with the connection of rolling mutually of the inclined-plane of push rod 1.

See also Figure 10, Figure 10 be for more effectively in the transmission power of regulating between button 45 and the push rod 1, so can between them, adopt the articulated form that installs connecting rod 54 additional.

See also Figure 11, Figure 11 is in order to reduce the friction force between the push rod 28 and guide rod 26 among Fig. 4, therefore install roller 55 additional on guide rod 26, and with the connection of rolling mutually of the inclined-plane of push rod 28.

See also Figure 12, Figure 12 is in order to reduce cut somebody's hair friction force between 38 or 39 of driving lever 43 and V-shaped part among Fig. 5, therefore to add tubing 56 on driving lever 43, being convenient to slide.

In sum, public transit vehicle handle of the present invention can be by regulating the passenger's who highly satisfies various heights needs, and can automatically restore to certain altitude again and can when the passenger walks about, do not injured, simultaneously by more compact design design, on arranging, all meet the human engineering principle from using still fully, be a human, improve comfort and save the handle in space.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims (10)

1. an adjustable for height compact public transit vehicle handle comprises handle body and belt, it is characterized in that:

Described body comprises housing, outer tube, interior pipe, unidirectional stop power-transfer clutch and in order to drive the driver train of unidirectional stop disengaging of clutch, housing is fixed on the outer tube two ends; Interior pipe is managed two ends with being located in the outer tube in described belt is set around respectively; Be provided with bearing and torsion spring between the inner and outer pipe, torsion spring one end and outer tube join, and the other end links to each other with interior pipe; Unidirectional stop power-transfer clutch is located on the interior pipe; Driver train links to each other with unidirectional stop power-transfer clutch.

2. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described unidirectional stop power-transfer clutch comprises that pipe in a pair of being placed in is gone up and intermeshing fluted disc, respectively be located at the back-up ring in the two fluted discs outside, be located at stage clip between fluted disc and the back-up ring respectively, all radially have groove in the fluted disc, be provided with in the groove and pass the driving lever of interior tubular axis to the slide opening of offering; Wherein a fluted disc also slides with outer tube by feather key and links to each other;

Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting with the offside driving lever is contacted cuts somebody's hair in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring.

3. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described unidirectional stop power-transfer clutch comprises that pipe is gone up and intermeshing fluted disc in a pair of being placed in, and wherein a fluted disc and outer tube are fixed, and radially have groove in another fluted disc, is provided with in the groove to pass the driving lever of interior tubular axis to the slide opening of offering;

Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting cutting somebody's hair of an end band tooth bar in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring; Two tooth bars of cutting somebody's hair are meshed by gear, and two also are provided with stage clip between cutting somebody's hair; Described driving lever also passes wherein and one cuts somebody's hair.

4. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described unidirectional stop power-transfer clutch comprises that pipe is gone up and intermeshing fluted disc in a pair of being placed in, and wherein a fluted disc and interior pipe are fixed; Another fluted disc slides with outer tube by feather key and links to each other, and is provided with back-up ring and stage clip outside this fluted disc, radially has groove in this fluted disc, is provided with in the groove to pass the driving lever of interior tubular axis to the slide opening of offering;

Described driver train comprises two push rods that are oppositely arranged, and pipe and supporting cutting somebody's hair of an end band tooth bar in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring; Two tooth bars of cutting somebody's hair are meshed by gear; Described driving lever also passes wherein and one cuts somebody's hair.

5. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described unidirectional stop power-transfer clutch comprises the ratchet that is placed in interior Guan Yiduan, the ratchet that cooperates with ratchet, has profiled holes on the ratchet, and be provided with torsion spring in the rotating shaft of ratchet;

Described driver train comprises a guide rod, push rod and lifting button, and the guide rod upper end is provided with to be passed profiled holes and drive the driving lever of lifting in the ratchet rotation; Pipe and be provided with inclined-plane in order to move on the drive leader in push rod one end axially penetrates, the other end are with to offset with housing and pass housing behind the spring; The lifting button penetrates from the housing lower end and links to each other with the driving lever bottom.

6. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described unidirectional stop power-transfer clutch comprises the ratchet that is fixed in the outer tube, the ratchet that cooperates with ratchet, has profiled holes on the ratchet;

Described driver train comprises that outer tube, an end insert the inner guide in the outer tube, two push rods that are oppositely arranged, pipe and supporting an end and have cutting somebody's hair of V-shaped part in each push rod one end all axially penetrates, the other end are with to offset with housing and pass housing behind the spring; Be with a stage clip on outer tube and the inner guide and be fixed between outer tube and the inner guide by catch, also respectively be connected with a depression bar and a driving lever on outer tube and the inner guide, depression bar crosses in the V-shaped part, and driving lever passes profiled holes respectively and links to each other with ratchet.

7. as each described adjustable for height compact public transit vehicle handle in the claim 2 to 6, it is characterized in that:

Described driver train also comprises to be located at the housing sidepiece and to promote the adjusting button that the homonymy push rod moves, and the upper end of regulating button is the inclined-plane and the inclined-plane that penetrates from the housing lower end and offer with this push rod lower end sliding block joint mutually.

8. the adjustable for height compact public transit vehicle described in claim 7 is shaken hands, and it is characterized in that:

The upper end of described adjusting button also is provided with in order to the roller that reduces to rub, and by the inclined-plane that roller and this place's push rod are offered the below connection of rolling mutually.

9. adjustable for height compact public transit vehicle handle as claimed in claim 1 is characterized in that:

Described handle also comprises the belt contracting mechanism, and an end links to each other with outer tube, and the other end links to each other with interior pipe, and this belt contracting mechanism is a clockwork spring or extension spring.

10. the adjustable for height compact public transit vehicle described in claim 6 is shaken hands, and it is characterized in that:

Also be arranged with sleeve pipe on the described depression bar in order to reduce to rub.

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