CN101209797B - Entrance safety device for passenger conveyer - Google Patents
Entrance safety device for passenger conveyer Download PDFInfo
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- CN101209797B CN101209797B CN2007101993651A CN200710199365A CN101209797B CN 101209797 B CN101209797 B CN 101209797B CN 2007101993651 A CN2007101993651 A CN 2007101993651A CN 200710199365 A CN200710199365 A CN 200710199365A CN 101209797 B CN101209797 B CN 101209797B
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Abstract
An entrance safety device of passenger conveyer includes: an entrance member setting movably along a moving direction of the movable armrest, which convers the peripheral of a movable armrest at the position where the movible armrest enters a skirt part; an entrance support member, fixed on the top of the entrance member; a fixing member, fixed on the main body of an escalator; two leaf springs, setting between the entrance support member and the fixing member and being in parallel to each other basically; a safety switch, for detecting the displacement of the entrance member along the movingdirection of the movable armrest. The two leaf springs drive the entrance member move from the moving direction of the movable armrest to a direction for narrowing a gap between the outer surface of the movable armrest and the inner surface of the entrance member, said inner surface is opposite to the outer surface of the movable armrest.
Description
Technical field
The present invention relates to a kind of entrance safety device of passenger conveyors, be used to prevent that foreign object from entering the accident that the position in skirt section is brought at moving hand-rail.
Background technology
Escalator as a kind of passenger conveyors comprises: be arranged in the truss structure between the upper and lower; Interconnect to form a plurality of steps of endless loop, described a plurality of steps move in truss structure in a looping fashion; The a pair of railing that is provided with in the side upright of step width direction; A pair of continuous on-cycle moving hand-rail, described moving hand-rail is attached on the periphery of railing, and with the same moved further of step; And a pair of skirt section that is separately positioned on bottom from passenger's platform to the described a pair of railing of another passenger's platform.
Each moving hand-rail is climbed up its corresponding skirt section of passenger's platform of escalator and is come out, also outwards moves from the passenger, move to provide handle to the passenger along the top of railing simultaneously.Subsequently, moving hand-rail enters the skirt section that the passenger leaves another passenger's platform place of escalator.When moving hand-rail during along the operation of the bottom of railing, moving hand-rail moves into the skirt section.Enter the position in skirt section from the outside at moving hand-rail, the finger etc. that exists the passenger is along with the danger in the slit of unexpectedly being brought between moving hand-rail and skirt section of moving of moving hand-rail.Under this background, polytype entrance safety device has been proposed up to now, brought into the measure that take in the skirt section as finger that prevents the passenger etc.
Hereinafter, will provide the description of the prior art of relevant this entrance safety device.Fig. 1 shows first kind of prior art, and it is described in the disclosed Japanese patent application that publication number is H7-196278.As shown in Figure 1, entrance safety device 100 comprises: inlet part 103 is used for covering in the position that moving hand-rail 102 enters skirt section 101 part of the neighboring of moving hand-rail 102; And, be used to detect moving of inlet part 103 bottoms by the safety switch 104 that skirt section 101 is supported.The top end part 103a of inlet part 103 is supported by skirt section 103 by utilizing hinge 105.
Utilize said structure, when the foreign object of the finger of passenger for example along with moving hand-rail 102 move near skirt section 101 time, mouthpiece 103 is run into and pushed into to foreign object.This thrust makes inlet part 103 swing on direction a around hinge 105.Safety switch 104 detects this swing, escalator is slowed down and stops the running of escalator.Prevented from like this to be brought in the slit between moving hand-rail 102 and the inlet part 103 such as the foreign object of passenger finger.
Fig. 2 shows second kind of prior art, and it is described in the disclosed Japanese patent application that publication number is H8-198570.As shown in Figure 2, entrance safety device 110 comprises: inlet part 113 is used for covering in the position that moving hand-rail 112 enters skirt section 111 part of the neighboring of moving hand-rail 112; Slip protecting component 114, the neighboring that it is arranged to cover inlet part 113 is used to be inducted into the moving direction b slip of mouthpiece 113 along moving hand-rail 112; Be arranged on the spring 115 between slip protecting component 114 and the inlet part 113, be provided for being biased into mouthpiece 113 along the direction opposite with the moving direction b of moving hand-rail 112; And safety switch 116, be used to detect inlet part 113 moving along the moving direction b of moving hand-rail 112.
Utilize said structure, when such as the foreign object of passenger finger along with moving hand-rail 112 move near skirt section 111 time, mouthpiece 113 is run into and pushed into to foreign object.This thrust makes inlet part 113 overcome the elastic force of spring 115 and slides.Safety switch 116 detects this slip, escalator is slowed down and stops the running of escalator.This has prevented to be brought in the slit between moving hand-rail 112 and the inlet part 113 such as the foreign object of passenger finger.
Fig. 3 shows the third prior art, and it is described in the disclosed Japanese patent application that publication number is H8-198570.As shown in Figure 3, entrance safety device 120 comprises: inlet part 123 is used for covering in the position that moving hand-rail 122 enters skirt section 121 part of the neighboring of moving hand-rail 122; Flex plate parts 126, its top ends is fixed to the top ends of inlet part 123 by utilizing bolt 124, and its bottom is by utilizing bolt 125 to be fixed to skirt section 121; Be arranged on the spring 127 between the bottom of flex plate parts 126 and inlet part 123, be provided for being biased into the bottom of mouthpiece 123 along the direction opposite with the moving direction c of moving hand-rail 122; And safety switch 129, be used at inlet part 123 since the distortion of flex plate parts 126 when direction d moves or the elastic force that overcomes spring 127 in the bottom of inlet part 123 when direction e moves, detect moving of inlet part 123 by utilizing detection piece.
Utilize said structure, when such as the foreign object of passenger finger along with moving hand-rail 122 move near skirt section 121 time, mouthpiece 123 is at first run into and pushed into to foreign object.At this moment, if the top of inlet part 123 is urged, flex plate parts 126 are along direction d distortion, thereby inlet part 123 moves along the moving direction c of moving hand-rail 122.Perhaps, if the bottom of inlet part 123 is urged, the elastic force that the bottom of inlet part 123 overcomes spring 127 moves along direction e.Safety switch 129 detects any distortion in these two kinds of distortion, will stop the running of escalator.This has prevented to be brought in the slit between moving hand-rail 122 and the inlet part 123 such as the foreign object of passenger finger.
As mentioned above, at first kind to the third prior art, escalator is running safely continuously, unless such as the foreign object of passenger finger run into the front end surface of inlet part 103,113 and 123 respectively and enter inlet part 103,113 and 123 and moving hand-rail 102,112 and 122 between the slit in.
Yet, more particularly, for various reasons, comprise for fear of vibration causing contacting that inlet part 103,113 and 123 is arranged to have the slit of preset width to moving hand-rail 102,112 and 122 respectively with moving hand-rail 102,112 and 122 owing to moving hand-rail 102,112 and 122.Therefore, may run into inlet part 103,113 and 123 in the position that foreign object enters the slit such as the foreign object of passenger finger, described slit lays respectively between the inside face of outside face 102a, the 112a of moving hand-rail 102,112 and 122 and 122a and inlet part 103,113 and 123, and inlet part 103,113 is relative with outside face 102a, 112a and 122a with 123 inside face.
In first kind of prior art, inlet part 103 is designed to hinge 105 swings around the top ends that is arranged on inlet part 103.Therefore, if foreign object is run into inlet part 103 in the position that foreign object enters the slit between moving hand-rail 102 and the inlet part 103, inlet part 103 will move along the direction that the slit that makes between moving hand-rail 102 and the inlet part 103 enlarges.Thereby, foreign object is brought in the slit between moving hand-rail 102 and the inlet part 103.In second kind of prior art,, between inlet part 113 and slip protecting component 114, be provided with the space in order to ensure the level and smooth slip of inlet part 113.Therefore, if foreign object is run into inlet part 113 in the position that foreign object enters the slit between moving hand-rail 112 and the inlet part 113, inlet part 113 will move along the direction that the slit that makes between moving hand-rail 112 and the inlet part 113 enlarges.Thereby, foreign object is brought in the slit between moving hand-rail 112 and the inlet part 113.In the third prior art, inlet part 123 is supported by flex plate parts 126.Therefore, if foreign object is run into inlet part 123 in the position that foreign object enters the slit between moving hand-rail 122 and the inlet part 123, because the distortion of flex plate parts 126, inlet part 123 will move along the direction that the slit that makes between moving hand-rail 122 and the inlet part 123 enlarges.Thereby, foreign object is brought in the slit between moving hand-rail 122 and the inlet part 123.
As mentioned above, first kind to the third prior art, the finger that all can not stop the passenger etc. enters in the slit between the inside face of outside face 102a, the 112a of moving hand-rail 102,112 and 122 and 122a and inlet part 103,113 and 123, and described inside face is relative with outside face 102a, 112a and 122a.
In addition, first kind in the third prior art, the many groups parts that move that are used to detect inlet part 103,113 and 123 are set at the skirt section respectively and are in and are positioned at inlet part 103,113 and 123 belows, and have occupied big quantity space in the bottom in skirt section.This for example is difficult to install information display device such as telltale with regard to making in the bottom in skirt section, because so the information display device of installing etc. will be hindered by described many group parts.
Summary of the invention
Consider above-mentioned situation, the entrance safety device that the purpose of this invention is to provide a kind of passenger conveyors, this entrance safety device is of compact construction, even may enter the outside face of moving hand-rail and inlet part at passenger's finger, foreign object etc. at foreign object and moving hand-rail outside face interior surface opposing between the slit in the position run under the situation of inlet part of entrance safety device, can guarantee that also passenger conveyors turns round safely.
A first aspect of the present invention is a kind of entrance safety device of passenger conveyors, and it comprises: inlet part, described inlet part cover the periphery of moving hand-rail in the position that moving hand-rail enters the skirt section, and are provided with movably along the moving direction of moving hand-rail; Biasing device, described biasing device is along the direction bias voltage described inlet part opposite with the moving direction of moving hand-rail; Comprise the mobile guiding device of a plurality of elastomeric inlets, described a plurality of elastic bodys are set at the inlet support component that is fixed on the inlet part and are fixed between the fixed parts on the conveyor body, and described a plurality of elastic body is arranged in parallel to each other; And safety switch, described safety switch is used to detect the displacement of inlet part along the moving direction of moving hand-rail; Wherein, moving of the direction that the described inlet part of the mobile guide means guide of described inlet narrows down to the slit the inside face of outside face that makes described moving hand-rail and described inlet part from the moving direction of described moving hand-rail, described inside face is relative with the described outside face of described moving hand-rail.
A second aspect of the present invention is a kind of entrance safety device of passenger conveyors, and it comprises: inlet part, described inlet part cover the periphery of moving hand-rail in the position that moving hand-rail enters the skirt section, and are provided with movably along the moving direction of moving hand-rail; Biasing device, described biasing device is along the direction bias voltage described inlet part opposite with the moving direction of moving hand-rail; The mobile guiding device of inlet that comprises a plurality of links, described a plurality of link is connected the inlet support component that is fixed on the described inlet part and is fixed between the fixed parts on the conveyor body, and described a plurality of link is arranged in parallel to each other; And safety switch, described safety switch is used to detect the displacement of inlet part along the moving direction of moving hand-rail; Wherein, moving of the direction that the described inlet part of the mobile guide means guide of described inlet narrows down to the slit the inside face of outside face that makes described moving hand-rail and described inlet part from the moving direction of described moving hand-rail, described inside face is relative with the described outside face of described moving hand-rail.
Such as the foreign object of passenger finger with the outside face that enters moving hand-rail and inlet part and moving hand-rail outside face interior surface opposing between the slit in mode run under the situation of inlet part, the invention enables inlet part to move along the moving direction of moving hand-rail.In this case, inlet part moves, simultaneously under the guiding of the mobile guiding device of inlet along the direction displacement that described slit is narrowed down.Therefore, there is not foreign object can go deep in the slit between inlet part and the moving hand-rail.Thereby, the present invention even also can guarantee the safety of passenger conveyors in this case.
In addition, one group of parts that the present invention causes being used for detecting the inlet part displacement do not occupy the space below the inlet part in skirt section, make information display device etc. to be installed in and are positioned at the inlet part below in the skirt section.Therefore can make the passenger recognize information, for example prompting message.
Description of drawings
Fig. 1 shows the lateral plan according to the entrance safety device of first kind of prior art, has comprised the part sectional view of this device simultaneously.
Fig. 2 shows the lateral plan according to the entrance safety device of second kind of prior art.
Fig. 3 shows the lateral plan according to the entrance safety device of the third prior art.
Fig. 4 shows the diagrammatic side view according to the escalator of first embodiment of the invention.
Fig. 5 is the view along the arrow A of Fig. 4.
Fig. 6 shows the front elevation according to the entrance safety device of first embodiment of the invention.
Fig. 7 shows the lateral plan according to the entrance safety device of first embodiment of the invention.
Fig. 8 shows the birds-eye view according to the entrance safety device of first embodiment of the invention.
Fig. 9 shows the lateral plan how inlet part is shifted.
Figure 10 shows the birds-eye view how inlet part is shifted.
Figure 11 shows the lateral plan according to the entrance safety device of second embodiment of the invention.
Figure 12 shows the birds-eye view according to the entrance safety device of second embodiment of the invention.
Figure 13 shows the lateral plan how inlet part is shifted.
Figure 14 shows the birds-eye view how inlet part is shifted.
Figure 15 shows the lateral plan according to the entrance safety device of third embodiment of the invention.
Figure 16 shows the birds-eye view according to the entrance safety device of third embodiment of the invention.
The specific embodiment
Hereinafter, will provide description with reference to the following drawings to embodiments of the invention.
(first embodiment)
Fig. 4 to Figure 10 shows first embodiment suitable according to the entrance safety device of passenger conveyors of the present invention.
As shown in Figure 4, the escalator 1 as a kind of passenger conveyors comprises: be arranged in the truss structure 2 between upper strata and the lower floor; Be arranged in a plurality of steps 3 in the truss structure 2 along elliptical orbit, a plurality of steps 3 connect into endless loop one by one; The paired railing 4 that erectly is provided with in the both sides of each step of a plurality of steps 3; The continuous paired moving hand-rail 5 of on-cycle, moving hand-rail 5 is attached on the periphery of railing 4, and with step 3 same moved further; And be arranged on paired skirt section 6 between another passenger's platform of passenger's platform on upper strata and lower floor, be used to cover the lower position of paired railing.
When escalator 1 during along the direction U running of rising, moving hand-rail 5 is from coming out near the skirt section 6 of lower floor passenger platform position and entering skirt section 6 near passenger platform position, upper strata.In addition, when escalator 1 when descent direction D turns round, moving hand-rail 5 is from coming out near the skirt section 6 of passenger platform position, upper strata and entering skirt section 6 near lower floor passenger platform position.In addition, when escalator 1 any direction in above-mentioned two kinds of directions turned round, moving hand-rail 5 was used as the passenger and moves hand and along the top of railing 4.
As shown in Figure 5, each skirt section 6 is made of interior deck department 6a, outer deck department 6b and header board 6c.Interior deck department 6a covers the inboard of railing 4, to guarantee passenger's feet safety on every side.Here, inboard expression is near a side of step 3.Outer deck department 6b covers the outside of railing 4.The inboard of the end face of two vertical sidepieces of deck department 6a and outer deck department 6b in header board 6c covers respectively.In other words, header board 6c covers the both sides of the interior deck department 6a at passenger's gate position place and the outer deck department 6b of upper strata and lower floor respectively.Header board 6c for being positioned at passenger's gate position place, the upper and lower is respectively arranged with protrusion 6d.In addition, in inboard upwardly extending mode, be formed with railing/handrail hole 7 respectively from protrusion 6d.Railing/handrail hole 7 is configured to allow railing 4 and moving hand-rail 5 to pass through.Near each railing/handrail hole 7, be furnished with entrance safety device 10.Entrance safety device 10 can only be arranged on the position that moving hand-rail 5 enters skirt section 6.Since escalator 1 can be selectively rising or the drop mode running, so escalator 1 is provided with the passenger platform place that 10: one of two entrance safety devices are positioned at the upper strata, another is positioned at the passenger platform place of lower floor.
To shown in Figure 8, each entrance safety device 10 comprises as Fig. 6: inlet part 11, inlet support component 12, fixed parts 13, two leaf springs 14 and safety switchs 15.Inlet part 11 is contained in railing/handrail hole 7 on the header board 6c, has only its top ends to stretch out (approximately 5mm) from the protrusion 6d on the header board 6c.Inlet support component 12 is fixed to the rearward end of inlet part 11.Fixed parts 13 is fixed on the escalator main body (conveyor body).Leaf spring 14 is set between inlet support component 12 and the fixed parts 13, and as the elastic body of setting up the mobile guiding device of inlet.Safety switch 15 is fixed on the fixed parts 13, and by utilizing inlet support component 12 to detect the displacement of inlet part 11 along direction h.
Fixed parts 13 has right side and left side upright body 13a, and described upright body is respectively arranged with regulates bolt 16 and 17.Regulate bolt 16 and 17 for these two and interfere inlet support component 12, and therefore limit the scope that inlet part 11 moves.
Two leaf springs 14 are all to arrange in parallel to each other substantially that with respect to main body board 12b and fixed parts 13 bevelled modes main body board and fixed parts are arranged in parallel to each other.In other words, main body board 12b, fixed parts 13 and two leaf springs 14 are arranged in the mode that they form parallelogram.Therefore, when inlet part 11 during along the moving direction displacement of moving hand-rail 5, this parallelogram is along direction i distortion (as shown in Figure 9), and this distortion makes inlet part 11 move along the moving direction h of moving hand-rail 5.In addition, this moves and makes two leaf springs 14 along increasing two leaf springs 14 with respect to each the direction distortion of leaning angle (to 90 degree) in main body board 12b and the fixed parts 13.As a result, the Direction guide inlet part 11 that narrows down along the slit g between outside face 5a interior surface opposing outside face 5a that makes moving hand-rail 5 and inlet part 11 and moving hand-rail 5 of leaf spring 14 moves.In addition, two leaf springs 14 also play a part biasing device, are used for being biased into mouthpiece 11 along the direction opposite with the moving direction h of moving hand-rail 5.
Below, the description that will how to turn round for doorway safety device 10.When such as the foreign object of passenger finger along with moving of moving hand-rail 5 during near skirt section 6, foreign object is at first run into inlet part 11, pushes into mouthpiece 11 subsequently.This thrust makes elastic force that inlet part 11 overcomes two leaf springs 14 move along the moving direction h of moving hand-rail 5.Safety switch 15 detects this and moves, and stops the running of escalator 1.This has just prevented that foreign object from being brought among the slit g between moving hand-rail 5 and the inlet part 11.
Between above-mentioned on-stream period, when foreign object when foreign object may enter the outside face 5a of moving hand-rail 5 and the position among the slit g between outside face 5a interior surface opposing inlet part 11 and moving hand-rail 5 and runs into inlet part 11, inlet part 11 moves along the moving direction h of moving hand-rail 5.In this case, as Fig. 9 and shown in Figure 10, inlet part 11 moves, simultaneously under the guiding of two leaf springs 14 along the direction displacement that slit g is narrowed down.Therefore, there is not foreign object can go deep among the slit g between inlet part 11 and the moving hand-rail 5.
As mentioned above, even when foreign object may enter the outside face 5a of moving hand-rail 5 and inlet part 11 is run in the position among the slit g between outside face 5a interior surface opposing inlet part 11 and moving hand-rail 5 at foreign object, entrance safety device 6 also can be guaranteed the safety of escalator.
In addition, because entrance safety device 10 can be arranged near the moving hand-rail 5 in skirt section 6 compactly, so information display device etc. can be installed in the area E of header board 6c (as shown in Figure 5).Area E is positioned at the below, position that moving hand-rail 5 enters skirt section 6.The example of this information display device comprises the telltale that is used for showing the various information that comprise prompting message to the passenger.In other words, the safety of present embodiment by utilizing entrance safety device 10 can improve escalator, and make the passenger can recognize prompting message etc. by information display device.This just can realize a kind of escalator with safety performance of raising.
In first embodiment, the mobile guiding device that enters the mouth is made up of two leaf springs 14, and two leaf springs are arranged on the inlet support component 12 that is fixed on the inlet part 11 and are fixed between the fixed parts 13 on the escalator main body and arrange in parallel to each other substantially.This just means that the mobile guiding device of inlet can be set up simply.In addition, because two leaf springs 14 also play a part to be used for being biased into along the direction opposite with the moving direction h of moving hand-rail 5 biasing device of mouthpiece 11, so the part count of entrance safety device 10 reduces and therefore simplifies the structure.The number of leaf spring 14 can further increase, and three or more leaf springs can be arranged in parallel to each other.
(second embodiment)
Figure 11 to Figure 14 shows the entrance safety device according to second embodiment of the invention.
Fixed parts 23 is set up and is formed by baseplate part 23a, the double-type rear side board of double-type front side, the left and right sides board 23b and left and right sides 23c.Front side board 23b is by with the right-hand member of the front portion of baseplate part 22a and the erection part that the left part K/UP obtains.Rear side board 23c is bent downwardly the erection part that obtains by right-hand member and left part with the rear portion of baseplate part 23a.Baseplate part 23a is provided with a pair of limiting pin 27 on its right side and left part.Limiting pin 27 be inserted into respectively the inlet support component 22 baseplate part 22a on limiting holes 28 in.Limiting pin only is allowed to move in corresponding limiting holes 28, so the moving range of inlet part 21 is restricted.
Two links 24 of every pair will enter the mouth that the paired side plate 22b of support component 22 is connected to the paired front side board 23b of fixed parts 23 and all being that the bevelled mode is arranged in parallel to each other in the two pairs of links.In other words, side plate 22b, front side board 23b and two links 24 have constituted parallelogram bindiny mechanism.Therefore, when inlet part 21 during along the moving direction h displacement of moving hand-rail 5, link 24 is along direction j swing (as shown in figure 13), and this swing makes inlet part 21 to move along the moving direction h of moving hand-rail 5.In addition, this moves and makes two links 24 of every pair swing with respect to the direction of the leaning angle (to 90 degree) of each among side plate 22b and the front side board 23b along increasing two links 24.As a result, the Direction guide inlet part 21 that narrows down along the slit g between outside face 5a interior surface opposing outside face 5a that makes moving hand-rail 5 and inlet part 21 and moving hand-rail 5 of link 14 moves.
Below, the description that will how to turn round for doorway safety device 20.When such as the foreign object of passenger finger along with moving of moving hand-rail 5 during near skirt section 6, foreign object is at first run into inlet part 21, pushes into mouthpiece 21 subsequently.This thrust makes elastic force that inlet part 21 overcomes extension spring 25 move along the moving direction b of moving hand-rail 5.Safety switch 26 detects this and moves, and stops the running of escalator 1.This has just prevented that foreign object from being brought among the slit g between moving hand-rail 5 and the inlet part 21.
Between above-mentioned on-stream period, when foreign object when foreign object may enter the outside face 5a of moving hand-rail 5 and the position among the slit g between outside face 5a interior surface opposing inlet part 21 and moving hand-rail 5 and runs into inlet part 21, inlet part 21 moves along the moving direction h of moving hand-rail 5.In this case, as Figure 13 and shown in Figure 14, inlet part 21 moves, simultaneously under the guiding of two links 24 along the direction displacement that slit g is narrowed down.Therefore, there is not foreign object can go deep among the slit g between inlet part 21 and the moving hand-rail 5.
As mentioned above, even when foreign object may enter the outside face 5a of moving hand-rail 5 and inlet part 21 is run in the position among the slit g between outside face 5a interior surface opposing inlet part 21 and moving hand-rail 5 at foreign object, entrance safety device 6 also can be guaranteed the safety of escalator.
In a second embodiment, the mobile guiding device that enters the mouth is made up of two links 24, and two links will be fixed to inlet support component 22 on the inlet part 21 and be connected to the fixed parts 23 that is fixed on the escalator main body and arrange in parallel to each other.This means that the mobile guiding device of inlet can be set up simply.The number of the link 24 of every centering can further increase, and two or more links of every centering can be arranged to parallel to each other.
In addition, in a second embodiment, because two links 24 are set on inlet support component 22 and the fixed parts 23 on the right side of inlet support component 22 and fixed parts 23 and leftward position respectively, inlet part 21 can be along the moving direction h of moving hand-rail 5 along with inlet support component 22 moves smoothly.
(the 3rd embodiment)
Figure 15 and Figure 16 show the third embodiment of the present invention.
Be similar to entrance safety device 20, comprise: inlet part 31, inlet support component 32, fixed parts 33, two pairs of links 34, extension spring 35 and safety switchs 36 according to the entrance safety device 30 of the 3rd embodiment according to second embodiment.Inlet part 31 is contained in railing/handrail hole 7 on the header board 6c, and only its top ends is stretched out (approximately 5mm) from the protrusion 6d on the header board 6c.Inlet support component 32 is fixed to the rearward end of inlet part 31.Fixed parts 33 is fixed to escalator main body (conveyor body).Link 34 is configured to the mobile guiding device of inlet, is respectively applied for inlet support component 32 is connected to fixed parts 33.Extension spring 35 is used for being biased into mouthpiece 31 along the direction opposite with the moving direction h of moving hand-rail 5 as biasing device.Safety switch 36 is fixed to fixed parts 33, and by utilizing inlet support component 32 to detect inlet part 31 moving along direction h.Be similar to entrance safety device 20 according to the essential structure of the entrance safety device 30 of the 3rd embodiment according to second embodiment.Yet the 3rd embodiment is that with the different of second embodiment two pairs of links 34 are arranged in below the moving hand-rail 5 in entrance safety device 30, and the two pairs of links 24 are arranged in the right side and the left side of moving hand-rail 5 in entrance safety device 20.Because the 3rd embodiment has used above-mentioned layout, the structure of the some parts of entrance safety device is different from the structure of the appropriate section of entrance safety device 20.Yet these two embodiment are identical on function.Therefore, in the detailed description of this omission for entrance safety device 30 structures.
Be similar to entrance safety device 20 according to second embodiment, even may enter the outside face 5a of moving hand-rail 5 and inlet part 31 is run in the position among the slit g between outside face 5a interior surface opposing inlet part 31 and moving hand-rail 5 such as the foreign object of passenger finger at foreign object, also can guarantee the safety of escalator according to the entrance safety device 30 of the 3rd embodiment.
Under the situation of second embodiment because two links 24 are set to the right side of moving hand-rail and the every side in the left side, in skirt section 6 moving hand-rail 5 below the space can be used as the space that other device is installed.On the other hand, in the 3rd embodiment, because two links 34 are arranged on moving hand-rail 5 belows, the space in the right side of moving hand-rail 5 and left side can be used as the space that other device is installed in skirt section 6.
Be used to escalator 1 according to the entrance safety device 10,20 and 30 of corresponding embodiment as a kind of passenger conveyors.Yet, beyond all doubt ground, entrance safety device 10,20 and 30 passenger conveyors that can be used for except that escalator 1, for example movable passageways.
The present invention can be applicable to passenger conveyors, passenger conveyors comprise a plurality of mobile steps and with the synchronization-moving moving hand-rail of step, handrail is arranged on the railing periphery that is arranged in step side.According to the present invention, when passenger's finger etc. was run into and pushed handrail and moves into wherein inlet part, inlet part moved the slit that makes between handrail and the railing and narrows down avoiding finger etc. to be brought in the slit, and passenger conveyors is stopped running.Thereby, can guarantee the safety of passenger conveyors.
Claims (3)
1. the entrance safety device of a passenger conveyors comprises:
Inlet part, described inlet part cover the periphery of moving hand-rail and are provided with movably along the moving direction of moving hand-rail in the position that moving hand-rail enters the skirt section;
Biasing device, described biasing device is along the direction bias voltage described inlet part opposite with the moving direction of moving hand-rail; And
Safety switch, described safety switch are used to detect the displacement of inlet part along the moving direction of moving hand-rail;
It is characterized in that, the entrance safety device of described passenger conveyors also comprises the mobile guiding device of a plurality of elastomeric inlets, described a plurality of elastic body is set at the inlet support component that is fixed on the inlet part and is fixed between the fixed parts on the conveyor body, and described a plurality of elastic body is arranged in parallel to each other;
Wherein, moving of the direction that the described inlet part of the mobile guide means guide of described inlet narrows down to the slit the inside face of outside face that makes described moving hand-rail and described inlet part from the moving direction of described moving hand-rail, described inside face is relative with the described outside face of described moving hand-rail.
2. the entrance safety device of a passenger conveyors comprises:
Inlet part, described inlet part cover the periphery of moving hand-rail and are provided with movably along the moving direction of moving hand-rail in the position that moving hand-rail enters the skirt section;
Biasing device, described biasing device is along the direction bias voltage described inlet part opposite with the moving direction of moving hand-rail; And
Safety switch, described safety switch are used to detect the displacement of inlet part along the moving direction of moving hand-rail;
It is characterized in that, the entrance safety device of described passenger conveyors also comprises the mobile guiding device of the inlet of a plurality of links, described a plurality of link is connected the inlet support component that is fixed on the described inlet part and is fixed between the fixed parts on the conveyor body, and described a plurality of link is arranged in parallel to each other;
Wherein, moving of the direction that the described inlet part of the mobile guide means guide of described inlet narrows down to the slit the inside face of outside face that makes described moving hand-rail and described inlet part from the moving direction of described moving hand-rail, described inside face is relative with the described outside face of described moving hand-rail.
3. the entrance safety device of passenger conveyors according to claim 2 is characterized in that, described a plurality of links are set at the right side of described inlet support component and described fixed parts and the every side in the left side.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006348529A JP5241097B2 (en) | 2006-12-25 | 2006-12-25 | Inlet safety device for passenger conveyor |
JP348529/2006 | 2006-12-25 |
Publications (2)
Publication Number | Publication Date |
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CN101209797A CN101209797A (en) | 2008-07-02 |
CN101209797B true CN101209797B (en) | 2011-04-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2007101993651A Active CN101209797B (en) | 2006-12-25 | 2007-12-17 | Entrance safety device for passenger conveyer |
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JP (1) | JP5241097B2 (en) |
CN (1) | CN101209797B (en) |
MY (1) | MY165322A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010247948A (en) * | 2009-04-15 | 2010-11-04 | Toshiba Elevator Co Ltd | Inlet safety device of passenger conveyor |
CN102431878A (en) * | 2011-12-12 | 2012-05-02 | 苏州汉森电梯有限公司 | Finger protecting device of escalator and sidewalk |
CN102951543A (en) * | 2012-12-07 | 2013-03-06 | 上海爱登堡电梯股份有限公司 | Escalator handrail entrance device |
JP6325066B1 (en) * | 2016-12-15 | 2018-05-16 | 東芝エレベータ株式会社 | Passenger conveyor |
JP6373948B2 (en) * | 2016-12-19 | 2018-08-15 | 東芝エレベータ株式会社 | Passenger conveyor |
WO2021001930A1 (en) * | 2019-07-02 | 2021-01-07 | 三菱電機株式会社 | Passenger conveyor safety device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS595575U (en) * | 1982-06-30 | 1984-01-13 | 株式会社東芝 | Escalator or moving walkway safety equipment |
JP2004359394A (en) * | 2003-06-04 | 2004-12-24 | Mitsubishi Electric Corp | Moving handrail entrance device for man conveyor |
-
2006
- 2006-12-25 JP JP2006348529A patent/JP5241097B2/en active Active
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2007
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JP2008156084A (en) | 2008-07-10 |
JP5241097B2 (en) | 2013-07-17 |
CN101209797A (en) | 2008-07-02 |
MY165322A (en) | 2018-03-21 |
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