CN205709291U - Elevator - Google Patents

Abstract

Elevator of the present utility model possesses: car top board, offers in centre and rescues mouth；Ribs, has the side and opposite side ribs arranged on the upper surface of car top board along the mutually opposing two edges rescuing mouth；Rescuing velar plate, a lateral edges is hingedly coupled to a side stringer, and opposed opposite side edge can be dug and put down centered by this lateral edges, to rescuing a mouthful opening and closing；Support bar, will rescue velar plate and support into open state；Lockable mechanism, possesses rotating lock part, will rescue lockup state and openable locking releasing state that velar plate is set to close；Switching mechanism, possesses: switch main body, and the one end on the left and right directions of upper surface is provided with insert port；With operation key, relative to insert port into and out making elevator run and out of service, switch main body and operation key be respectively arranged on car top board the opposite side ribs arranged and rescue the opposite side edge of velar plate in any one party and the opposing party.

Description

Elevator

Technical field

This utility model relates to elevator.

Background technology

Elevator possesses in the substantial middle of car top board rescues mouth, and is provided with and carries out opening and closing and rescue velar plate rescuing mouth, under the abnormal conditions such as elevator faults, opens this and rescues velar plate, rescues mouth via this and passenger being trapped in lift car rescued.

Conventional such elevator possesses: locking system, is arranged on and rescues on velar plate, it is possible to will rescue velar plate and be set to lockup state and locking releasing state；And switching device, it is arranged on and rescues on velar plate, control the operation of elevator；In the case of elevator is properly functioning, locking system will rescue velar plate and be set to be in the lockup state of closedown, switching device controls into makes elevator run, in the case of elevator occurs extremely, operator operates locking system, will rescue velar plate and be set to openable locking releasing state, switching device by the shake-up of locking system or is controlled into made elevator out of service by operator's manual operation, rescue velar plate thereby, it is possible to open, passenger is rescued from rescuing mouth.

But, in conventional elevator configured as described, as mentioned above, switching device and locking system are arranged to be rescued on velar plate as conplane, therefore, when rescuing velar plate and being dug, locking system is dug together with rescuing velar plate with switching device, it is more likely that can touch switching device and cause switching misoperation (switch resets).

Utility model content

This utility model is in order to solve the problems referred to above, the purpose of this utility model is to provide a kind of elevator, by switch main body and operation key be respectively arranged in be separated from each other when rescuing velar plate and opening rescue velar plate side and car top board side, it is possible to be reliably prevented incorrect switching.

The elevator of first scheme possesses: car top board, offers in centre and rescues mouth for the passenger in car rescued；Ribs, has the side stringer and opposite side ribs arranged on the upper surface of above-mentioned car top board along the above-mentioned mutually opposing opening edge rescuing mouth；Rescue velar plate, one lateral edges is hingedly coupled to a side stringer, can dig and put down centered by this lateral edges with the opposite side edge of this side edge opposite and above-mentioned mouth of rescuing is carried out opening and closing, cover above-mentioned mouth of rescuing during closed state, make it possible to during open state passenger be rescued via above-mentioned mouth of rescuing；Support bar, this is rescued velar plate when velar plate is open state and supports into and passenger can be made to come in and go out rescue the aperture of mouth by above-mentioned rescuing；Lockable mechanism, it is supported in the upper surface of car top board, possesses the lock part that can rotate via rotary shaft, rescuing, by above-mentioned, the lockup state that velar plate is set to close when elevator is properly functioning, during abnormal elevator, lock part is applied rotatory force and above-mentioned velar plate of rescuing is set to openable locking releasing state；And switching mechanism, controlling the operation of elevator, possess: switch main body, the one end on the left and right directions of upper surface is provided with insert port；With operation key, by relative to above-mentioned insert port into and out make elevator run and out of service, above-mentioned switch main body and aforesaid operations key are respectively arranged on above-mentioned car top board any one party in the above-mentioned opposite side ribs and the above-mentioned above-mentioned opposite side edge rescuing velar plate arranged and the opposing party, when above-mentioned rescue velar plate open time, away from the above-mentioned opposite side ribs that the above-mentioned above-mentioned opposite side edge rescuing velar plate is arranged from above-mentioned car top board, thus above-mentioned switch main body is separated with aforesaid operations key.

The elevator of alternative plan is according to first scheme, and above-mentioned lock part is arranged near above-mentioned opposite side edge on the upper surface rescue velar plate；The above-mentioned above-mentioned opposite side edge rescuing velar plate possesses: a rising portion, extends vertically upward setting with this upper surface rescuing velar plate, offers and proceeds to for above-mentioned lock part and rescue, by above-mentioned, the first opening that velar plate locking is closed state；First horizontal part, rescues the horizontally extending setting in inner side of velar plate from above-mentioned first rising portion bending to this；The above-mentioned opposite side ribs arranged on above-mentioned car top board possesses: the second rising portion, extend vertically upward setting with the upper surface of this car top board, offer proceed to for above-mentioned lock part and by above-mentioned rescue velar plate locking be closed state and above-mentioned rescue when velar plate is closed state with the second opening of connecting of above-mentioned first superposition of end gap ground；Second horizontal part, from above-mentioned second rising portion bending to the horizontally extending setting in outside of this car top board, the upper surface of car top board is fixed in the whole face of lower surface contiguously；Above-mentioned lock part possesses than above-mentioned first opening and above-mentioned second opening more to rescuing the extension stretched out outside mouth.

The elevator of third program is according to alternative plan, above-mentioned switch main body is installed on above-mentioned car top board the above-mentioned opposite side ribs arranged, aforesaid operations key is installed on the above-mentioned above-mentioned opposite side edge rescuing velar plate, above-mentioned switching mechanism is also equipped with: switch cover, there is the horizontal plane being arranged on the above-mentioned above-mentioned horizontal part rescuing velar plate, by make above-mentioned switch main body with insert port opposition side open ended in the way of surround above-mentioned switch main body；Key bracket, has: bracket horizontal part, is installed on the lower surface of the above-mentioned horizontal plane of above-mentioned switch cover in the way of the contact of face；With bracket vertical portion, formed by bending the most vertically from above-mentioned bracket horizontal part, in the way of the contact of face, aforesaid operations key is installed；And aligning clamp, there is insertion and be installed to the above-mentioned contraposition part inserted into the mouth, this contraposition part guides aforesaid operations key along vertical direction in the way of making operation key and the center para-position of insert port, and aforesaid operations key is installed on the above-mentioned insert port of above-mentioned switch main body via above-mentioned contraposition part.

The elevator of fourth program is according to third program, above-mentioned lockable mechanism is also equipped with: reset components, it is installed on the rotary shaft of above-mentioned lock part, after the rotatory force acting on above-mentioned lock part disappears, above-mentioned lock part is made to reset to the state being transferred in above-mentioned first opening, above-mentioned rescue velar plate from open state to closed state fall time, the extension of above-mentioned lock part is connected on above-mentioned car top board above-mentioned second rising portion of above-mentioned opposite side ribs arranged.

The elevator of the 5th scheme uses screw to be installed on above-mentioned key bracket according to third program, aforesaid operations key via through hole, and above-mentioned through hole is formed as the elongated hole grown up and down, in order to adjust aforesaid operations key position along the vertical direction.

The elevator of the 6th scheme is according to third program, the horizontal plane of above-mentioned switch cover uses screw to be installed on the above-mentioned above-mentioned bracket horizontal part rescuing velar plate via through hole, above-mentioned through hole is formed as the elongated hole that left and right is long, in order to adjust aforesaid operations key position in left-right direction.

The elevator of the 7th scheme is according to third program, the bracket horizontal part of above-mentioned key bracket is installed on the lower surface of the horizontal plane of above-mentioned switch cover via through hole use screw, above-mentioned through hole is formed as the elongated hole front and back grown, in order to adjust aforesaid operations key position along the longitudinal direction.

The elevator of eighth aspect is according to the 5th scheme, being formed with opening in the side opposed with the above-mentioned screw that aforesaid operations key is installed on above-mentioned key bracket of above-mentioned switch cover, this opening is formed so that the size that adjustment instrument can be used to be adjusted the upper-lower position of screw through this opening.

The above-mentioned lateral edges rescuing velar plate, according to the 5th scheme, is hingedly coupled to a side stringer by folding by the elevator of the 9th scheme.

According to elevator configured as described, lockable mechanism is arranged on shutter door cover plate, by the switch main body of switching mechanism with by carrying out plugging the operation key of the operation controlling elevator relative to the insert port of this switch main body, it is separately positioned on the side and the opposing party rescued in the ribs arranged on the edge rescuing velar plate and car top board being located remotely from each other when velar plate is opened, will switch main body and operation key be respectively arranged in be located remotely from each other when rescuing velar plate and opening rescue velar plate side and car top board side, thus, carry out rescuing cover plate is opened time, it is located remotely from each other along with rescuing the ribs arranged on the edge of velar plate and car top board, the upper switch main body arranged and operation key are separated forcibly, therefore, it is prevented from the generation of incorrect switching.

Accompanying drawing explanation

Figure 1A is the top view rescuing exit perimeter of the elevator representing an embodiment of the present utility model, is the figure representing and rescuing the state that velar plate is closed；

Figure 1B is the enlarged diagram of the W part representing Figure 1A；

Fig. 1 C is the decomposing schematic representation of the switching mechanism representing Figure 1B.

Fig. 2 A is the top view of the cover plate full state of the elevator representing an embodiment of the present utility model, is to represent the figure that the lock part of lockable mechanism is connected on the ribs of car top board；

Fig. 2 B is the enlarged diagram of the N section representing Fig. 2 A.

Fig. 3 A～Fig. 3 F is the figure of the installation process of the switching mechanism representing an embodiment of the present utility model, wherein,

Fig. 3 A is the top view of the state representing the ribs that switch main body is installed on car top board；

Fig. 3 B is the axonometric chart representing key bracket；

Fig. 3 C is the axonometric chart representing the key bracket being provided with operation key；

Fig. 3 D is the axonometric chart representing positioning fixture；

Fig. 3 E is the axonometric chart representing the state inserted into the mouth that positioning fixture is inserted into switch main body；

Fig. 3 F is the axonometric chart representing the state that the operation key being installed on key bracket is inserted into the insert port being inserted with aligning clamp.

Fig. 4 A is to represent that the structure to Fig. 3 F covers switch cover and key bracket is fixed on the side view of state of switch cover；

Fig. 4 B is the top view of the structure representing Fig. 4 A.

Fig. 5 is to represent the axonometric chart for the adjustment opening that operation key is adjusted relative to the installation site up and down of key bracket.

Detailed description of the invention

Referring to the drawings an embodiment of the present utility model is illustrated.

Figure 1A shows the figure rescuing velar plate closed mode rescuing exit perimeter of the elevator involved by present embodiment, and Figure 1B shows the enlarged diagram of the W part of Figure 1A, and Fig. 1 C shows the decomposing schematic representation of the switching mechanism of Figure 1B.

As shown in Figure 1A, elevator mainly possesses: car top board 1, offers in centre and rescues mouth for the passenger in car rescued；Rescue velar plate 2, it is possible to carry out opening and closing to rescuing mouth, cover during closed state and rescue mouth, make it possible to during open state passenger be rescued via rescuing mouth；Support bar 3, supports into when rescuing velar plate 2 and being open state passenger can be made to come in and go out rescue the aperture of mouth by rescuing velar plate 2；Lockable mechanism 4, will rescue the lockup state that velar plate is set to close when elevator is properly functioning, will rescue velar plate and be set to openable locking releasing state during abnormal elevator；And switching mechanism 5, control the operation of elevator, possess switch main body 51 and by relative to the insert port 53 of switch main body into and out making elevator run and operation key 52 out of service.Being configured at this elevator, be opened along with rescuing velar plate 2, operation key 52 is separated forcibly with switch main body 51.

It follows that specifically describe the structure of each several part of elevator referring to the drawings.

First, with reference to Figure 1A, car top board and the basic structure rescuing velar plate are illustrated.

As shown in Figure 1A, approximate centre at the top board 1 of the car (omitting diagram) for carrying passenger, and, on the upper surface of car top board 1, ribs 11～14 it is respectively arranged with along the edge rescuing mouth, ribs 11 is opposed across rescuing mouth with ribs 12, and ribs 13 is opposed across rescuing mouth with ribs 14.On ribs 11, via articulated elements 6 such as such as foldings, chain connection can be saved the lateral edges (in Figure 1A for upper edge) of Outlet cover plate 2.By this articulated element 6 so that rescue velar plate 2 and this side edge opposite opposite side edge 20 (for lower edge in Figure 1A) can be dug and put down centered by this lateral edges, thus carry out opening and closing to rescuing mouth.

In addition, as shown in Figure 1A, the opposite side edge 20 rescuing velar plate 2 possesses: the first rising portion 21, extend vertically upward setting with this upper surface rescuing velar plate 2, offer the lock part described later 41 for lockable mechanism 4 at such as left and right directions approximate centre and proceed to and the first opening 211 that velar plate 2 locking is closed state will be rescued；And first horizontal part 22, bend from above-mentioned rising portion 21 and rescue the horizontally extending setting in inner side of velar plate to this.And, the ribs 12 arranged on car top board possesses: the second rising portion 121, extending vertically upward setting with the upper surface of car top board 1, the position overlapping with above-mentioned first opening 211 when rescuing velar plate 2 and closing offers and proceeds to for lock part 41 and will rescue the second opening 221 that velar plate 2 locking is closed state；And second horizontal part 122, bend from the second rising portion 121 and to the horizontally extending setting in outside of this car top board, the upper surface of car top board is fixed in the whole face of lower surface contiguously.When rescuing velar plate 2 for closed state shown in Figure 1A, the first opening 211 connects overlappingly with the second opening 221, and lock part 41 is transferred in this first opening 211 and the second opening 221, and will rescue velar plate 2 locking is closed state.

It follows that the concrete structure of lockable mechanism 4 is illustrated with reference to Figure 1A, Figure 1B, Fig. 2 B.

Such as left and right directions centre at the upper surface rescuing velar plate 2, above-mentioned lockable mechanism 4 it is configured with near opposite side edge 20, this lockable mechanism 4 possesses lock part 41, this lock part 41 is supported in the upper surface of car top board 1, can rotate via rotary shaft (omitting diagram) when being applied in rotatory force, further, this lock part 41 possesses than the first opening 211 and the second opening 221 more to rescuing mouth extension protruding outside 42.

And, above-mentioned lockable mechanism 4 is also equipped with the torsion spring 43 as reset components, this torsion spring 43 is installed on the rotary shaft of lock part, and lock part, after the rotatory force that the first opening 211 and the second opening 221 produce and be applied in disappears, makes lock part 41 automatically reset into the state being transferred in the first opening 211.

The lockable mechanism of present embodiment is by constituting as described above, under elevator normal operating condition, lock part 41 is transferred in the first opening 211 and the second opening 221, the lockup state that velar plate 2 is set to be closed will be rescued, when elevator occurs extremely and needs to rescue, lock part 41 is produced from the first opening 211 and the second opening 221, velar plate 2 will be rescued and be set to openable locking releasing state.And, this lockable mechanism 4 is by possessing the torsion spring 43 as reset components, after the rotatory force that lock part 41 produces from the first opening 211 and the second opening 221, be applied in disappears, the state being transferred in the first opening 211 can be reset automatically into, when rescuing velar plate and unexpectedly falling to closed state from open state, as shown in Fig. 2 A, Fig. 2 B, the extension 42 being reset to the lock part 41 in the first opening 211 is connected to the second rising portion 121 of ribs 12 such that it is able to avoids rescuing velar plate 2 and falls further downward.

It follows that the concrete structure of switching mechanism 5 is illustrated.

As shown in Figure 1A to Fig. 1 C, in switching mechanism 5: switch main body 51 is fixed on car top board 1 second horizontal part 122 of the ribs 12 arranged, the one end (for left end in Figure 1B) on the left and right directions of upper surface is provided with insert port 53.

In addition, as shown in Figure 1B, Fig. 1 C, switching mechanism 5, in addition to switch main body 51 and operation key 52, is also equipped with: switch cover 54, so that the mode unlimited with the end of insert port opposition side (for the end on right side in Figure 1B) of switch main body surrounds above-mentioned switch main body；Key bracket 55, has bracket horizontal part 551 and bends the most vertically from this bracket horizontal part and the bracket vertical portion 552 that formed；And aligning clamp 56, possess the contraposition part 561 (with reference to Fig. 3 D, 3E) guiding aforesaid operations key 52 in the way of making operation key and the center para-position of insert port along vertical direction.

Specifically, in switching mechanism 5, it is preferably, horizontal plane 541 among the face surrounding switch main body 51 of switch cover 54 is as shown in Figure 1A, 1B, it is installed on closely on the first horizontal part 22 rescuing velar plate 2 via the first through hole H1 and by the way of screw is with face contact, and, at the lower surface of this switch cover 54, as shown in Figure 1A, 1B, via the second through hole H2 and by the way of screw is with face contact, the bracket horizontal part 551 of key bracket 55 is installed closely.Additionally, in the bracket vertical portion 552 of key bracket 55, as shown in Figure 1 C, be provided with closely via the 3rd through hole H3 and by the way of screw contacts with face and operate key 52；As shown in FIGURE 3 E, being inserted with the contraposition part 561 of aligning clamp 56 in the insert port 53 of switch main body 51, operation key 52 is installed in this insert port 53 via contraposition part 561.

Switching mechanism 5 is constituted by above-mentioned, switch main body 51 is installed on car top board 1 ribs 12 (i.e. car top board side) arranged, on the other hand, operation key 52 is installed in the opposite side edge 20 (i.e. rescuing velar plate side) rescuing velar plate 2 via key bracket 55, switch cover 54.The ribs 12 arranged on car top board 1 when rescuing velar plate 2 and being opened is located remotely from each other with the opposite side edge 20 rescuing velar plate 2, it is accompanied by this, switch main body 51 is separated forcibly with operation key 52 such that it is able to prevent from being inserted in switch main body 51 by operation key 52 when rescuing because of maloperation.

In addition, above-mentioned first through hole H1 is formed as the elongated hole that left and right is long, to adjust operation key 52 position in left-right direction, above-mentioned second through hole H2 (with reference to Fig. 5) is formed as the elongated hole front and back grown, to adjust operation key 52 position along the longitudinal direction, above-mentioned 3rd through hole H3 (with reference to Fig. 3 B) is formed as the elongated hole grown up and down, to adjust operation key 52 position along the vertical direction, thus, operation key 52 position in all directions before and after up and down can be adjusted, it is possible to positioned exactly relative to insert port 53 by operation key 52.

And, in order to operation key 52 is adjusted relative to the installation site up and down of key bracket 55, and it being formed with adjustment opening 57 in the side opposed with the above-mentioned screw that operation key 52 is fixed on key bracket 55 of above-mentioned switch cover 54, this adjustment opening is formed so that the size that adjustment instrument can be used to be adjusted the upper-lower position of screw through this opening.

It follows that the effect of the elevator of said structure is illustrated.

In the elevator of present embodiment, switching mechanism 5 is configured to operate key 52 and is installed in the opposite side edge 20 rescuing velar plate 2 via key bracket 55, switch cover 54, and switch main body 51 be installed on car top board 1 arrange ribs 12, i.e. switching mechanism 5 operation key 52 and switch main body 51 be respectively arranged in be located remotely from each other when rescuing velar plate and opening rescue the such not homonymy being separated from each other in velar plate side and car top board side.Therefore, it is located remotely from each other with the ribs 12 of setting on car top board 1 along with rescuing the opposite side edge 20 rescuing velar plate 2 when velar plate 2 is opened, make to operate key 52 to be separated forcibly with switch main body 51 such that it is able to prevent from being inserted in switch main body 51 by operation key 52 when rescuing because of maloperation.

Additionally, in the elevator of present embodiment, switching mechanism 2 is also inserted with aligning clamp 56 in insert port 53 such that it is able to operation key 52 to be reliably pointed to the central authorities of insert port 53, it is possible to ensure the smooth plug relative to insert port 53 of the operation key 52.

Additionally, in present embodiment, first, second, third through hole is all set to elongated hole, thus, the position of all directions of operation key 52 can be adjusted, it is possible to operation key 52 is installed on appropriate position, it is ensured that operation key 52 is relative to the smooth plug of insert port 53.

In addition, in the elevator of present embodiment, lockable mechanism 4 possesses the torsion spring 43 as reset components, and, lock part 41 possesses the extension 42 more prominent than the first opening 211 and the second opening 221, therefore, after the rotatory force acting on lock part 41 disappears, lock part 41 is reset automatically into the state being transferred in the first opening 211.Therefore, even if rescuing velar plate unexpectedly to fall to closed state from open state, as shown in Fig. 2 A, Fig. 2 B, also due to the extension 42 of the lock part 41 being reset in the first opening 211 is connected to the second rising portion 121 of ribs 12, rescue velar plate 2 will not fall further downward, therefore, it is possible to prevent from operating key 52 to fall the position can connected with switch main body 51, and it is prevented from being installed on and rescues the switch cover 54 of velar plate 42 side, key bracket 55, operation key 52 owing to rescuing the whereabouts inertia of velar plate 42 and impact switch main body 51.Therefore, it is possible to while avoiding switching mechanism 4 misconnection logical, additionally it is possible to avoid switching mechanism 4 damaged.

Below, with reference to Fig. 3 A to 3F, Fig. 4 A, Fig. 4 B, the assembling sequence of said structure is illustrated.

First, switch main body 51 is arranged on car top board 1 on second horizontal part 122 of the ribs 12 arranged (with reference to Fig. 3 A).

Then, operation key 52 is arranged on the bracket vertical portion 552 (with reference to Fig. 3 C) of key bracket 55.

Then, aligning clamp 56 is inserted in the insert port 53 of switch main body 51 (with reference to Fig. 3 E).

Then, the operation key 52 that the bracket vertical portion 552 of key bracket 55 installs is inserted in the insert port 53 of switch main body 51 (with reference to Fig. 3 F).

Then, cover switch cover 54, be attached fixing (with reference to Fig. 4 A, 4B) by bracket horizontal part 551 and the switch cover 54 of key bracket 52.

Finally, switch cover 54 is connected and fixed on rescues the opposite side edge 20 (with reference to Fig. 4 A, 4B) of velar plate.Thus, the assembling of various piece is completed.

It follows that the action to elevator configured as described illustrates.

When elevator is in normal operating condition, lock part 41 is transferred in the first opening 211 and the second opening 221, rescues velar plate 2 and is maintained lockup state.

Rescue action when velar plate is opened:

When elevator there occurs that exception is rescued, operator carries out rotating operation to lock part 41, this lock part 41 is produced from the first opening 211 and the second opening 221, velar plate 2 will be rescued and be set to openable locking releasing state, velar plate 42 will be rescued to the direction pull-up opened, operation key 52 is extracted from the insert port 53 of switch main body 51 along with rescuing velar plate 2, when rescuing velar plate 42 and being fully opened, rescues velar plate 42 by they sup-port.

Action when rescuing velar plate closedown:

Release support bar 6 support rescuing velar plate 2 is fixed, velar plate 2 will be rescued put down, the lock part 41 of lockable mechanism 4 is produced from the first opening 211, making operation key 52 be inserted in the insert port 53 of switch main body 51, the lock part 41 of lockable mechanism 4 automatically resets into the state being inserted in the first opening 211 and the second opening 221.

(variation)

In the above-described embodiment, illustrate that the switch main body 51 of switching mechanism 5 is installed on car top board 1 ribs 12 arranged, and operate key 52 and be installed in the example at the opposite side edge 20 rescuing velar plate 2, but this utility model is not limited to which, as long as switch main body 51 and operation key 52 are respectively arranged at the different component being located remotely from each other when rescuing cover plate 2 and being opened, it is thus possible to make both be separated forcibly, there is no particular limitation, such as can also rescue the opposite side edge 20 of velar plate 2 as the switch main body 51 of switching mechanism 5 is installed in, and operate key 52 and be installed on car top board 1 ribs 12 arranged so, installation site overturns mutually.Concrete mounting structure now can be not particularly limited according to suitably setting.

Additionally, above-mentioned embodiment illustrates to be arranged on lockable mechanism 4 the such as left and right directions centre of the upper surface rescuing velar plate 2, but this utility model is not limited to this, as long as lockable mechanism 4 being arranged in the opening of the ribs being inserted on car top board setting, the position that velar plate 2 is set to the lockup state of closedown will be rescued, it is also possible to being arranged on other positions.

Above, enumerate preferred implementation and the elevator involved by this utility model is illustrated, but, these embodiments are intended only as illustrating to be enumerated, and is not intended to limit the scope of utility model.New embodiment can be implemented in other various modes, in the range of the purport without departing from invention, it is possible to carries out various omission, replace, change.These embodiments and deformation thereof are included in scope and the purport of invention, are also contained in the range of the scope described in claim and equivalent thereof.

Claims (9)

1. an elevator, it is characterised in that possess:

Car top board, offers in centre and rescues mouth for the passenger in car rescued；

Ribs, has the side stringer and opposite side ribs arranged on the upper surface of above-mentioned car top board along the above-mentioned mutually opposing opening edge rescuing mouth；

Rescue velar plate, one lateral edges is hingedly coupled to an above-mentioned side stringer, can dig and put down centered by this lateral edges with the opposite side edge of this side edge opposite and above-mentioned mouth of rescuing is carried out opening and closing, cover above-mentioned mouth of rescuing during closed state, make it possible to during open state passenger be rescued via above-mentioned mouth of rescuing；

Support bar, this is rescued velar plate when velar plate is open state and supports into and passenger can be made to come in and go out rescue the aperture of mouth by above-mentioned rescuing；

Lockable mechanism, it is supported in the upper surface of car top board, possesses the lock part that can rotate via rotary shaft, rescuing, by above-mentioned, the lockup state that velar plate is set to close when elevator is properly functioning, during abnormal elevator, lock part is applied rotatory force and above-mentioned velar plate of rescuing is set to openable locking releasing state；And

Switching mechanism, controls the operation of elevator, possesses: switch main body, and the one end on the left and right directions of upper surface is provided with insert port；With operation key, by relative to above-mentioned insert port into and out make elevator run and out of service,

Above-mentioned switch main body and aforesaid operations key are respectively arranged on above-mentioned car top board any one party in the above-mentioned opposite side ribs and the above-mentioned above-mentioned opposite side edge rescuing velar plate arranged and the opposing party,

When above-mentioned rescue velar plate open time, away from the above-mentioned opposite side ribs that the above-mentioned above-mentioned opposite side edge rescuing velar plate is arranged from above-mentioned car top board, thus above-mentioned switch main body is separated with aforesaid operations key.

2. elevator as claimed in claim 1, it is characterised in that

Above-mentioned lock part is arranged near above-mentioned opposite side edge on the upper surface rescue velar plate；

The above-mentioned above-mentioned opposite side edge rescuing velar plate possesses:

First rising portion, extends vertically upward setting with this upper surface rescuing velar plate, offers and proceeds to for above-mentioned lock part and rescue, by above-mentioned, the first opening that velar plate locking is closed state；

First horizontal part, rescues the horizontally extending setting in inner side of velar plate from above-mentioned first rising portion bending to this；

The above-mentioned opposite side ribs arranged on above-mentioned car top board possesses:

Second rising portion, extend vertically upward setting with the upper surface of this car top board, offer proceed to for above-mentioned lock part and by above-mentioned rescue velar plate locking be closed state and above-mentioned rescue when velar plate is closed state with the second opening of connecting of above-mentioned first superposition of end gap ground；

Second horizontal part, from above-mentioned second rising portion bending to the horizontally extending setting in outside of this car top board, the whole face of lower surface is installed on the upper surface of car top board contiguously；

Above-mentioned lock part possesses than above-mentioned first opening and above-mentioned second opening more to rescuing the extension stretched out outside mouth.

3. elevator as claimed in claim 2, it is characterised in that

Above-mentioned switch main body is installed on above-mentioned car top board the above-mentioned opposite side ribs arranged, and aforesaid operations key is installed on the above-mentioned above-mentioned opposite side edge rescuing velar plate,

Above-mentioned switching mechanism is also equipped with:

Switch cover, has the horizontal plane being arranged on the above-mentioned above-mentioned horizontal part rescuing velar plate, by make above-mentioned switch main body with insert port opposition side open ended in the way of surround above-mentioned switch main body；

Key bracket, has: bracket horizontal part, is installed on the lower surface of the above-mentioned horizontal plane of above-mentioned switch cover in the way of the contact of face；With bracket vertical portion, bend the most vertically from above-mentioned bracket horizontal part and formed, in the way of the contact of face, aforesaid operations key is installed；And

Aligning clamp, has insertion and is installed to the above-mentioned contraposition part inserted into the mouth, and this contraposition part guides aforesaid operations key along vertical direction in the way of making operation key and the center para-position of insert port,

Aforesaid operations key is installed on the above-mentioned insert port of above-mentioned switch main body via above-mentioned contraposition part.

4. elevator as claimed in claim 3, it is characterised in that

Above-mentioned lockable mechanism is also equipped with:

Reset components, is installed on the rotary shaft of above-mentioned lock part, after the rotatory force acting on above-mentioned lock part disappears, makes above-mentioned lock part reset to the state being transferred in above-mentioned first opening,

Above-mentioned rescue velar plate from open state to closed state fall time, the above-mentioned extension of above-mentioned lock part is connected on above-mentioned car top board above-mentioned second rising portion of above-mentioned opposite side ribs arranged.

5. elevator as claimed in claim 3, it is characterised in that

Aforesaid operations key uses screw to be installed on above-mentioned key bracket via through hole,

Above-mentioned through hole is formed as the elongated hole grown up and down, in order to adjust aforesaid operations key position along the vertical direction.

6. elevator as claimed in claim 3, it is characterised in that

The horizontal plane of above-mentioned switch cover uses screw to be installed on the above-mentioned above-mentioned bracket horizontal part rescuing velar plate via through hole,

Above-mentioned through hole is formed as the elongated hole that left and right is long, in order to adjust aforesaid operations key position in left-right direction.

7. elevator as claimed in claim 3, it is characterised in that

The bracket horizontal part of above-mentioned key bracket is installed on the lower surface of the horizontal plane of above-mentioned switch cover via through hole use screw,

Above-mentioned through hole is formed as the elongated hole front and back grown, in order to adjust aforesaid operations key position along the longitudinal direction.

8. elevator as claimed in claim 5, it is characterised in that

Being formed with adjustment opening in the side opposed with the above-mentioned screw that aforesaid operations key is installed on above-mentioned key bracket of above-mentioned switch cover, this adjustment opening is formed so that the size that adjustment instrument can be used to be adjusted the upper-lower position of screw through this adjustment opening.

9. elevator as claimed in claim 1, it is characterised in that

By folding, the above-mentioned lateral edges rescuing velar plate is hingedly coupled to a side stringer of above-mentioned car top board.