CN209194280U

CN209194280U - Wheelchair Accessible

Info

Publication number: CN209194280U
Application number: CN201821808949.4U
Authority: CN
Inventors: 姚文兴; 姚寅生; 刘木顺
Original assignee: Shenzhen Xingpai Construction Engineering Co Ltd
Current assignee: Shenzhen Xingpai Construction Engineering Co Ltd
Priority date: 2018-11-03
Filing date: 2018-11-03
Publication date: 2019-08-02
Anticipated expiration: 2028-11-03

Abstract

The utility model relates to municipal works technical fields, for the too simple problem of instruction information, provide a kind of Wheelchair Accessible, the technical solution is as follows: including traveling brick, prompt brick and instruction brick, protrusion has striped raised line on traveling brick, protrusion has faillette salient point on prompt brick, indicate that protrusion is useful in instruction front on brick, the direction raised line of left and right, according to traveling brick at the crossing of Wheelchair Accessible, prompt brick, indicate brick, the sequence of traveling brick is laid with along direction of advance, can direction of advance direction raised line it is scalable, it indicates to be equipped with the groove for direction raised line retraction in brick.By the telescopic setting of direction raised line on instruction brick, the concrete condition of front road conditions is distinguished according to the retracted position of direction raised line convenient for blind person, is moved on convenient for blind person according to instruction, reduced blind person and be easy to happen dangerous situation.

Description

Wheelchair Accessible

Technical field

The utility model relates to municipal works technical fields, more specifically, it relates to a kind of Wheelchair Accessible.

Background technique

Wheelchair Accessible is the special road equipment for helping blind person's walking.

Wheelchair Accessible is generally spread just by two class bricks, and one kind is bar shaped guidance brick, is guided blind person to trust forward, is referred to as advanced Road；One kind is the prompt brick with dot, prompts have obstacle, referred to as cue channel before blind person.

But the prompt brick on existing Wheelchair Accessible only prompts front to have road conditions direction change, prompt information is excessively Simply, blind person can not obtain the specifying information of road conditions direction change, so that blind person is difficult to judge the load conditions in front, hold It easily makes troubles to blind person, or even is easy to bring unsafe factor to blind person, still there is improved space.

Utility model content

In view of the deficienciess of the prior art, having just the purpose of this utility model is to provide a kind of Wheelchair Accessible In front of judgement the advantages of traffic information.

To achieve the above object, the utility model provides following technical solution:

A kind of Wheelchair Accessible, including traveling brick, prompt brick and instruction brick, protrusion has striped convex on the traveling brick Item, protrusion has faillette salient point on the prompt brick, and protrusion is useful in instruction front, left and right on the instruction brick Direction raised line, at the crossing of the Wheelchair Accessible according to traveling brick, prompt brick, instruction brick, traveling brick sequence along advance side To laying, can direction of advance the direction raised line it is scalable, the groove for direction raised line retraction is equipped in the instruction brick.

By adopting the above technical scheme, by the striped raised line on traveling brick to guide blind person to advance, when blind person is accessible When being gone at crossing on channel according to the instruction of traveling brick, by the faillette salient point on prompt brick to prompt to have road in front of blind person Condition direction change, when blind person move on and step on indicate on brick when, by instruction brick on direction raised line recess situation with The load conditions for distinguishing front indicate on brick when stepping down in so that indicating the direction of a certain direction of advance or certain several direction of advance When raised line is recessed, then the direction of advance has barrier, can not move on, when a certain direction of advance of instruction or certain several advance side To direction raised line it is unchanged when, then the direction is unimpeded, can move on, consequently facilitating blind person according to instruction brick distinguish front road The concrete condition of condition, moves on convenient for blind person according to instruction, reduces blind person and is easy to happen dangerous situation.

Preferably, can the direction raised line of direction of advance be connected with telescopic rod, the telescopic rod close to the side of groove Including fixed link and motion bar, the fixed link is equipped with the limited part that limitation motion bar is detached from fixed link.

By adopting the above technical scheme, direction raised line is linked by telescopic rod to switch the shape of recess and protrusion on the ground State is conducive to direction raised line and moves along a straight line during recess is with protrusion, so that the upper surface for being conducive to direction raised line exists It keeps horizontal during recess and protrusion, is conducive to improve the comfort that blind person tramples, so that direction raised line is not easy to tilt, So that direction raised line is not easy to be stuck during movable；By the setting of limited part, so that the activity of motion bar Range is limited so that motion bar not readily disengages from fixed link so that direction raised line during recess is with protrusion not It is easily separated from groove, so that the scope of activities of direction raised line is synchronized to limit, reduction direction raised line is difficult to be aligned recessed after being trampled The case where slot and retraction groove, is conducive to the accuracy for improving the instruction of direction raised line.

Preferably, the telescopic rod is equipped with the return unit that driving telescopic rod resets.

By adopting the above technical scheme, by the setting of return unit, so that direction raised line can reset after being depressed in instruction brick It is bounced automatically under the driving of part, it is easy to operate, convenient for automatically reseting for direction raised line.

Preferably, the direction raised line is consistent with the shape of striped raised line, the arrangement mode and striped of the direction raised line The arrangement mode of raised line is consistent.

By adopting the above technical scheme, by the consistent setting of shape of direction raised line and striped raised line, convenient for instruction brick Manufacture is conducive to improve production efficiency；Meanwhile so that instruction brick is identical with the shape of traveling brick, convenient for blind man memory, it is not necessarily to Increase other new pattern elements with confusion memory；In addition, instruction brick is roughly the same with the shape of traveling brick, so that ground is not allowed Easily the new pattern of protrusion and cause pedestrian or blind person inadaptable and kick the case where convex portion leads to wrestling.

Preferably, all direction raised lines on the instruction brick are equipped with telescopic rod, and the telescopic rod is equipped with limitation and stretches The flexible locking member of contracting bar.

By adopting the above technical scheme, the active state of the telescopic rod on all directions raised line is controlled by locking member, so that Indicate that the Telescoping of each direction raised line of brick can be switched, so that instruction brick can be by adjusting direction raised line Retracted position with adapt to different crossings difference can direction of advance so that instruction brick is formulated in certain all the way without specific Mouthful, be conducive to the scope of application for expanding instruction brick, so that instruction brick can be mass, be conducive to improve production efficiency, so that raw Producing cost reduces.

Preferably, the locking member includes through the first through hole in fixed link and through second on motion bar Through-hole, when the direction raised line protrudes from ground, the first through hole and the second through-hole face, on the side wall of the instruction brick Through there is pin, the pin runs through first through hole and the second through-hole simultaneously.

By adopting the above technical scheme, by pin through the side wall of instruction brick and be inserted into first through hole and the second through-hole with The flexible of telescopic rod is limited, so that the position of fixed telescopic rod is grasped so that the locking operation of telescopic rod can carry out outside instruction brick Make easy.

Preferably, recess has the holding tank that instruction brick side wall is inserted into for stem knob on the side wall of the instruction brick, when described When pin is embedded in holding tank, the one end of the pin far from telescopic rod is flushed with the side wall of instruction brick.

By adopting the above technical scheme, by the setting of holding tank, so that the one end of pin far from telescopic rod and instruction brick Side wall flushes, so that pin is not easy to protrude from the lateral wall of instruction brick, so that pin is not easy to influence the peace of instruction brick Dress operation；Meanwhile so that instruction brick is installed on Wheelchair Accessible after, the one end of pin far from telescopic rod and adjacent prompt brick Lateral wall abut to be fixed automatically, it is easy to operate without carrying out other fixed operations to pin.

Preferably, the upper surface that limitation direction raised line is equipped in the groove falls into the block piece indicated in brick, when described When direction raised line is abutted with block piece, the upper surface of the direction raised line is flushed with the upper surface of instruction brick.

By adopting the above technical scheme, by the setting of block piece, so that direction raised line is when being trampled recess, direction raised line Upper surface be not easy to fall into and be conducive to its upper surface and the upper surface of instruction brick when direction raised line sink inside instruction brick and keep It flushes, so that pit occurs in direction raised line not easily leads to instruction brick upper surface when sinking, so that blind person does not allow It easily falls into pit and falls down, be conducive to the security performance for improving direction raised line.

Preferably, the block piece is baffle, is provided with limbers on the baffle.

By adopting the above technical scheme, by the setting of limbers, so that by direction raised line and indicating the gap between brick The water penetrated into groove is not easy product on baffle, so that direction raised line is to groove when sinking into and abutting with baffle, It is not easy to splash the case where spray causes the shoes of blind person or trousers to be spattered with water due to product has ponding on baffle.

Preferably, be equipped with rhone in the instruction brick, the rhone and groove and and municipal drainage system connect It is logical.

By adopting the above technical scheme, by the setting of rhone, so that being not easy ponding in groove, to reduce in groove Telescopic rod be easy to be impregnated the case where be corroded by ponding, be conducive to extend the service life of telescopic rod；Meanwhile being conducive to subtract Few direction raised line is easy the case where splashing spray and spattering the shoes or trousers of blind person with water when to groove sunken inside.

In conclusion the utility model has the following beneficial effects:

1. by instruction brick on the telescopic setting of direction raised line, convenient for blind person according to the retracted position of direction raised line with The concrete condition for distinguishing front road conditions, moves on convenient for blind person according to instruction, reduces blind person and is easy to happen dangerous situation；

2. by the consistent setting of the shape of direction raised line and striped raised line so that instruction brick is identical as the shape of traveling brick, Convenient for blind man memory, it is not necessary that new element pattern is added with confusion memory, while make ground be not easy the new pattern of protrusion and Pedestrian or blind person is caused to be not suitable with and kick the case where convex portion leads to wrestling；

3. the setting and telescopic rod by being equipped with telescopic rod on all direction raised lines are equipped with the setting of locking member, make The retracted position for obtaining each direction raised line is adjustable, is conducive to the scope of application for increasing instruction brick, so that instruction brick is suitable for A variety of different crossings are conducive to improve production efficiency so that instruction brick can be mass；

4. lock telescopic rod by pin to limit the flexible of telescopic rod so that locking operation can the outside of instruction brick into Row, convenient for operation；

5. by the setting of holding tank, so that after pin insertion first through hole and the second through-hole are to fix telescopic rod, pin One end far from telescopic rod is flushed with the lateral wall of instruction brick, so that pin is not easy to influence the installation operation of instruction brick, meanwhile, So that pin is pushed against by the lateral wall of adjacent prompt brick with fixation after instruction brick installation is fixed, it is solid without carrying out other to pin Fixed operation, it is easy to operate.

Detailed description of the invention

Fig. 1 is the overall structure diagram of Wheelchair Accessible in the utility model；

Fig. 2 is the schematic diagram of internal structure that brick is indicated in the utility model；

Fig. 3 is the enlarged diagram in the portion A in Fig. 2；

Fig. 4 is the enlarged diagram in the portion B in Fig. 2.

In figure: 1, traveling brick；11, striped raised line；2, brick is prompted；21, faillette salient point；3, brick is indicated；31, direction is convex Item；32, rhone；4, groove；41, telescopic rod；411, motion bar；412, fixed link；42, block piece；421, baffle；422, lead to Water hole；43, locking member；431, holding tank；432, through hole；433, pin；434, first through hole；435, the second through-hole；44, multiple Position part；441, spring；45, limited part；451, limit hole；452, limited block.

Specific embodiment

With reference to the accompanying drawings and embodiments, the utility model is described in further detail.

A kind of Wheelchair Accessible is protruding with referring to Fig. 1, including traveling brick 1, prompt brick 2 and instruction brick 3, traveling brick 1 Striped raised line 11 prompts brick 2 to be protruding with faillette salient point 21, and instruction brick 3, which is protruding with, is used to indicate front, left and the right side The direction raised line 31 of side, direction raised line 31 is movable, and the active state of direction raised line 31 is changeable.At the crossing of Wheelchair Accessible It is laid with along direction of advance according to the sequence of traveling brick 1, prompt brick 2, instruction brick 3, traveling brick 1.

Referring to Fig. 1, traveling brick 1, prompt brick 2 and instruction brick 3 are in cube-shaped, and striped raised line 11 is in long strip, item Line raised line 11 is equipped with several, and several striped raised lines 11 are uniformly distributed along the long length direction of the wherein a line of traveling brick 1.At this In embodiment, three stripe raised lines 11 are equipped on every piece of traveling brick 1, the length direction of striped raised line 11 prolongs along direction of advance It stretches.

Referring to Fig. 1, faillette salient point 21 is cylindrical, faillette salient point 21 be equipped with it is several, several faillette salient points 21 are in Array is uniformly distributed in the upper surface of prompt brick 2.

Referring to Fig. 1, direction raised line 31 is in long strip, the shape size of direction raised line 31 and the shape size of striped raised line 11 Unanimously, the arrangement mode of direction raised line 31 is consistent with the arrangement mode of striped raised line 11, and instruction brick 3 and the shape of prompt brick 2 are big It is small consistent.

Referring to fig. 2, instruction 3 sunken inside of brick has for the movable groove 4 of direction raised line 31, and 4 corresponding direction raised line 31 of groove is set There are three.In a rectangular parallelepiped shape, the length direction of groove 4 is consistent with the length direction of direction raised line 31, the height of groove 4 for groove 4 Direction is consistent with the instruction thickness direction of brick 3.The length of groove 4 is consistent with the length of direction raised line 31, the width of groove 4 and side To the equivalent width of raised line 31.

Referring to fig. 2 and Fig. 3, direction raised line 31 is fixedly connected with telescopic rod 41 close to the side of groove 4, on telescopic rod 41 The flexible locking member 43 of the return unit 44 and limitation telescopic rod 41 resetted equipped with driving telescopic rod 41.

Referring to fig. 2 and Fig. 3, telescopic rod 41 are located at the middle position of 31 length direction of direction raised line.Telescopic rod 41 includes Fixed link 412 and motion bar 411, fixed link 412 and activity in a rectangular parallelepiped shape, the length side of fixed link 412 and motion bar 411 Xiang Junyu indicates that the thickness direction of brick 3 is consistent.

Referring to fig. 2 and Fig. 3, the bottom wall of groove 4 is fixed in one end of fixed link 412,412 boring of fixed link, Gu Fixed pole 412 is fixed open at one end with 4 bottom wall of groove.Motion bar 411 is move freely along the inner wall of fixed link 412.Fixed link 412 It is equipped with the limited part 45 that limitation motion bar 411 is detached from fixed link 412.Limited part 45 includes being opened in fixed link 412 far from recessed The limit hole 451 of 4 bottom wall one end of slot, limit hole 451 are placed in the center of the cross section of fixed link 412.Motion bar 411 is close The end of fixed link 412 is connected with limited block 452, and the cross section of limited block 452 is bigger than the cross section of limit hole 451, limit The cross section of position block 452 is bigger than the cross section of motion bar 411.Motion bar 411 runs through limit hole 451, the lateral wall of motion bar 411 It is abutted with the inner wall of limit hole 451.The one end of motion bar 411 far from fixed link 412 and direction raised line 31 are solid close to 4 side of groove Fixed connection.

Referring to fig. 2 and Fig. 3, return unit 44 are set to the one end of limited block 452 far from motion bar 411, in the present embodiment, Return unit 44 is spring 441.The length direction of spring 441 is consistent with the short transverse of groove 4, wherein one end of spring 441 with Limited block 452 is fixedly connected far from one end of motion bar 411, and the other end of spring 441 is connect with the bottom wall of groove 4.Spring 441 It is placed in inside fixed link 412.When limited block 452 slides into the one end of fixed link 412 close to motion bar 411, spring 441 is in Compressive state, and the lower surface of direction raised line 31 is flushed with the upper surface of instruction brick 3.

Referring to fig. 2, Fig. 3 and Fig. 4, locking member 43 include through in fixed link 412 first through hole 434, through The depth direction of the second through-hole 435 and pin 433 of limited block 452, first through hole 434 and the second through-hole 435 is and direction The length direction of raised line 31 is consistent.Second through-hole 435 is placed in two sides side wall of the fixed link 412 along the length direction of direction raised line 31 On, when limited block 452 slides into the one end of fixed link 412 close to motion bar 411, first through hole 434 and the second through-hole 435 are just Right, first through hole 434 is consistent with the aperture of the second through-hole 435.Indicate brick 3 along the wherein side of the length direction of direction raised line 31 It is provided on side wall for the perforative through hole 432 of pin 433, through hole 432 and 434 face of first through hole, the aperture of through hole 432 It is consistent with the aperture of first through hole 434.Pin 433 runs through first through hole 434, the second through-hole 435 and through hole 432 simultaneously.

Referring to fig. 2, indicate brick 3 side wall on recess have for stem knob insertion holding tank 431, holding tank 431 with run through Hole 432 is connected to.When pin 433 is inserted into holding tank 431 and runs through first through hole 434, the second through-hole 435 and through hole 432, Stem knob is placed in holding tank 431, and the one end of pin 433 far from telescopic rod 41 is flushed with the lateral wall of instruction brick 3.

Referring to fig. 2 and Fig. 3, the interior upper surface for being equipped with limitation direction raised line 31 of groove 4 fall into the block piece in groove 4 42, in the present embodiment, block piece 42 is baffle 421.Baffle 421 is in long strip, and baffle 421 is equipped with two pieces, two block baffles 421 It is individually fixed on the two sides side wall of groove 4 in the width direction.The length direction of baffle 421 and the length direction of direction raised line 31 Unanimously, the length of baffle 421 is consistent with the length of groove 4.The upper surface of baffle 421 is parallel with the instruction upper surface of brick 3.Baffle The consistency of thickness of vertical range and direction raised line 31 between 421 upper surface and the upper surface for indicating brick 3.

Referring to fig. 2 and Fig. 3, several limbers 422, length of several limbers 422 along baffle 421 are provided on baffle 421 Degree direction is uniformly distributed.

Referring to fig. 2, it indicates to have hollowed out rhone 32 in brick 3, rhone 32 is close to the bottom of groove 4, the length of rhone 32 Degree direction is vertical with the length direction of groove 4, and rhone 32 is placed in the middle position of groove 4 along its length.Rhone 32 with Indicate that each groove 4 in brick 3 is connected to, the one end of rhone 32 far from groove 4 and municipal drainage system (not shown) connect It is logical.

Since crossing bifurcated has a variety of different traffic informations, in the attached drawing of the present embodiment, attached drawing is only used for illustrating There are obstacles to advance for junction ahead, and the direction of advance of left and right can advance current situation, other situations can pass through Change the position of pin to realize, will not enumerate.

The operating condition and principle of the present embodiment are as follows:

By the striped raised line 11 on traveling brick 1 to guide blind person to advance, when blind person on Wheelchair Accessible according to traveling When the instruction of brick 1 is gone at crossing, by the faillette salient point 21 on prompt brick 2 to prompt to have the change of road conditions direction in front of blind person Change, when blind person move on and step on indicate on brick 3 when, by instruction brick 3 on direction raised line 31 recess situation to distinguish The load conditions in front.

By setting the setting there are three direction raised line 31 on instruction brick 3, so that being placed in intermediate direction raised line 31 for referring to Show that the traffic information in front, the direction raised line 31 for being placed in two sides indicate respectively the traffic information of left and right, is convenient for direction Instruction and identification.

It indicates on brick 3 when stepping down in so that then the direction of advance has when indicating that the direction raised line 31 of the direction of advance is recessed Barrier can not move on.

When stepping down in can not make the direction raised line 31 for indicating the direction of advance change on instruction brick 3, then the direction is smooth It is logical, it can move on, consequently facilitating blind person distinguishes the concrete condition of front road conditions according to instruction brick 3, so that blind person only needs to step on It can distinguish whether the direction can move on to the direction raised line 31 in the direction of desired advance, it is convex according to direction convenient for blind person The instruction of item 31 reduces blind person and is easy to happen dangerous situation to move on.

The setting of fixed link 412 is detached from by the cooperation limitation motion bar 411 of limit hole 451 and limited block 452, so that living The scope of activities of lever 411 is limited, so that the scope of activities of direction raised line 31 is limited, so that direction raised line 31 is not allowed It is easily ejected to the lower surface of direction raised line 31 and is higher than hardly possible when indicating the position of the upper surface of brick 3 and direction raised line 31 being caused to sink The case where with face groove 4 and being inserted into groove 4, and then not easily lead to direction raised line 31 and can not fall into groove 4 and lead to direction The wrong situation of information is conducive to direction raised line 31 always along the side wall activity of groove 4, is conducive to the side for improving direction raised line 31 To instruction accuracy；Meanwhile limit hole 451 limits the activity direction of motion bar 411, so that motion bar 411 is always along instruction The thickness direction of brick 3 slides, to be conducive to limit the activity direction of direction raised line 31, is conducive to direction raised line 31 in activity Keep horizontal in journey, so that direction raised line 31 is not easy to tilt in active procedure, so that the both ends of direction raised line 31 are more Be easy to synchronize the upper surface for protruding from instruction brick 3 and synchronize and be depressed in groove 4, be conducive to improve blind person trample it is comfortable Sense, while advantageously reducing direction raised line 31 and tilting the situation for being stuck and being difficult to activity in active procedure.

It is the setting of spring 441 by return unit 44, so that direction raised line 31 is in bullet after direction raised line 31 is trampled recess It can restore automatically under the elastic force of spring 441 to the state for the upper surface for protruding from instruction brick 3, it is easy to operate.

It is consistent with striped raised line 11 by the shape size and arrangement mode of direction raised line 31 so that instruction brick 3 with The shape size of traveling brick 1 is consistent, convenient for indicating the manufacture production of brick 3, so that the production of instruction brick 3 is without developing other new figures The manufacture of case；Meanwhile so that the indicating mode of direction raised line 31 and the difference of original indicating mode are little, convenient for blind person's Memory, so that blind person is not easy the case where leading to memory disorders because increasing other new pattern elements；Further, it enables without barrier Hinder and be not easy because having protruded new pattern the height of pattern protrusion to be had differences on channel, causes pedestrian or blind person uncomfortable The case where answering new protrusion and leading to wrestling.

By being equipped with the setting of telescopic rod 41 and locking member 43 on all direction raised lines 31, so that the work of telescopic rod 41 Dynamic state is adjustable, so that the direction raised line 31 of instruction any direction can adjust its movable shape by locking member 43 State, so that the active state of direction raised line 31 can be adjusted according to different crossing situations, so that instruction brick 3 is suitable for In any crossing the case where, so that instruction brick 3 can be mass, reduces different crossing situations and specific configuration is needed specifically to refer to The case where showing brick 3 is conducive to the use scope for expanding instruction brick 3, so that instruction brick 3 can be mass, is conducive to improve production Efficiency is conducive to improve working efficiency.

By pin 433 lock telescopic rod 41 with fix telescopic rod 41 position and pin 433 stretch out in instruction brick 3 side Setting outside wall, convenient for the fixed operation of telescopic rod 41, so that the fixed operation of telescopic rod 41 can carry out outside instruction brick 3.

By the setting of holding tank 431, so that after pin 433 runs through first through hole 434 and the second through-hole 435, pin 433 one end far from telescopic rod 41 is flushed with the lateral wall of instruction brick 3, so that pin 433 is not easy to protrude from instruction brick 3 And the operation of mating formation of instruction brick 3 is influenced, meanwhile, so that pin 433 is far from flexible after instruction brick 3 is fixed in Wheelchair Accessible One end of bar 41 is pushed against by the side wall of the prompt brick 2 adjacent with instruction brick 3 simultaneously, so that pin 433 is fixed simultaneously, so that pin Nail 433 is easy to operate without carrying out other fixed operations.

By the setting of baffle 421, so that the scope of activities of direction raised line 31 is limited, so that direction raised line 31 is recessed to It can not continue to move towards in groove 4 when abutting with baffle 421, so that the minimum reachable height of direction raised line 31 is side It is flushed to the upper surface of raised line 31 with the upper surface of instruction brick 3, so that indicating brick when direction raised line 31 is trampled to be recessed 3 upper surface is not easy pit occur, so that the foot of blind person is not easy to fall into pit, so that blind person is not easy to fall down, Be conducive to improve the security performance of instruction brick 3.

It is equipped with the setting for being provided with rhone 32 in the setting and groove 4 of several limbers 422 by baffle 421, makes Be not easy ponding on baffle 421 and in groove 4 so that direction raised line 31 during being recessed to groove 4 not It is easy the case where splashing ponding and spattering the trousers and shoes of blind person with water；Meanwhile so that the telescopic rod 41 being fixed in groove 4 is not allowed It is easily impregnated by ponding, so that telescopic rod 41 is not easy to be corroded, is conducive to extend the service life of telescopic rod 41.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of Wheelchair Accessible, it is characterized in that: including traveling brick (1), prompt brick (2) and instruction brick (3), the traveling brick (1) there is striped raised line (11) protrusion on, there is faillette salient point (21) protrusion on the prompt brick (2), and the instruction brick (3) is convex Rising has the direction raised line (31) for being used to indicate front, left and right, according to traveling brick at the crossing of the Wheelchair Accessible (1), prompt brick (2), instruction brick (3), traveling brick (1) sequence along direction of advance be laid with, can direction of advance the direction it is convex Item (31) is scalable, and the groove (4) for direction raised line (31) retraction is equipped in instruction brick (3).

2. Wheelchair Accessible according to claim 1, it is characterized in that: can direction of advance the direction raised line (31) it is close The side of groove (4) is connected with telescopic rod (41), and the telescopic rod (41) includes fixed link (412) and motion bar (411), institute It states fixed link (412) and is equipped with the limited part (45) that limitation motion bar (411) is detached from fixed link (412).

3. Wheelchair Accessible according to claim 2, it is characterized in that: the telescopic rod (41) is equipped with driving telescopic rod (41) return unit (44) resetted.

4. Wheelchair Accessible according to claim 2, it is characterized in that: the direction raised line (31) and striped raised line (11) Shape is consistent, and the arrangement mode of the direction raised line (31) is consistent with the arrangement mode of striped raised line (11).

5. Wheelchair Accessible according to claim 4, it is characterized in that: all direction raised lines on instruction brick (3) (31) it is equipped with telescopic rod (41), the telescopic rod (41) is equipped with the flexible locking member (43) of limitation telescopic rod (41).

6. Wheelchair Accessible according to claim 5, it is characterized in that: the locking member (43) includes through fixed link (412) first through hole (434) on and through the second through-hole (435) on motion bar (411), when the direction raised line (31) when protruding from ground, the first through hole (434) and the second through-hole (435) face are passed through on the side wall of instruction brick (3) It is installed with pin (433), the pin (433) is simultaneously through first through hole (434) and the second through-hole (435).

7. Wheelchair Accessible according to claim 6, it is characterized in that: recess has supply and marketing on the side wall of instruction brick (3) The holding tank (431) of ailhead insertion instruction brick (3) side wall, when the pin (433) are embedded in holding tank (431), the pin (433) one end far from telescopic rod (41) is flushed with the side wall of instruction brick (3).

8. Wheelchair Accessible according to claim 1, it is characterized in that: being equipped with limitation direction raised line in the groove (4) (31) upper surface falls into the block piece (42) in instruction brick (3), when the direction raised line (31) abuts with block piece (42), The upper surface of the direction raised line (31) is flushed with the upper surface of instruction brick (3).

9. Wheelchair Accessible according to claim 8, it is characterized in that: the block piece (42) is baffle (421), the gear Limbers (422) are provided on plate (421).

10. Wheelchair Accessible according to claim 1, it is characterized in that: rhone (32) are equipped in the instruction brick (3), The rhone (32) is connected to groove (4) and municipal drainage system.